diff options
Diffstat (limited to 'drivers/net/wireless/b43legacy')
25 files changed, 0 insertions, 14952 deletions
diff --git a/drivers/net/wireless/b43legacy/Kconfig b/drivers/net/wireless/b43legacy/Kconfig deleted file mode 100644 index 1ffa28835..000000000 --- a/drivers/net/wireless/b43legacy/Kconfig +++ /dev/null @@ -1,104 +0,0 @@ -config B43LEGACY - tristate "Broadcom 43xx-legacy wireless support (mac80211 stack)" - depends on SSB_POSSIBLE && MAC80211 && HAS_DMA - select SSB - select FW_LOADER - ---help--- - b43legacy is a driver for 802.11b devices from Broadcom (BCM4301 and - BCM4303) and early model 802.11g chips (BCM4306 Ver. 2) used in the - Linksys WPC54G V1 PCMCIA devices. - - Newer 802.11g and 802.11a devices need b43. - - It is safe to include both b43 and b43legacy as the underlying glue - layer will automatically load the correct version for your device. - - This driver uses V3 firmware, which must be installed separately using - b43-fwcutter. - - This driver can be built as a module (recommended) that will be - called "b43legacy". If unsure, say M. - -# Auto-select SSB PCI-HOST support, if possible -config B43LEGACY_PCI_AUTOSELECT - bool - depends on B43LEGACY && SSB_PCIHOST_POSSIBLE - select SSB_PCIHOST - select SSB_B43_PCI_BRIDGE - default y - -# Auto-select SSB PCICORE driver, if possible -config B43LEGACY_PCICORE_AUTOSELECT - bool - depends on B43LEGACY && SSB_DRIVER_PCICORE_POSSIBLE - select SSB_DRIVER_PCICORE - default y - -# LED support -# This config option automatically enables b43legacy LEDS support, -# if it's possible. -config B43LEGACY_LEDS - bool - depends on B43LEGACY && MAC80211_LEDS && (LEDS_CLASS = y || LEDS_CLASS = B43LEGACY) - default y - -# This config option automatically enables b43 HW-RNG support, -# if the HW-RNG core is enabled. -config B43LEGACY_HWRNG - bool - depends on B43LEGACY && (HW_RANDOM = y || HW_RANDOM = B43LEGACY) - default y - -config B43LEGACY_DEBUG - bool "Broadcom 43xx-legacy debugging" - depends on B43LEGACY - default y - ---help--- - Say Y, because this information will help you get the driver running. - This option generates a minimum of log output. - -config B43LEGACY_DMA - bool - depends on B43LEGACY - -config B43LEGACY_PIO - bool - depends on B43LEGACY - -choice - prompt "Broadcom 43xx-legacy data transfer mode" - depends on B43LEGACY - default B43LEGACY_DMA_AND_PIO_MODE - -config B43LEGACY_DMA_AND_PIO_MODE - bool "DMA + PIO" - select B43LEGACY_DMA - select B43LEGACY_PIO - ---help--- - Include both, Direct Memory Access (DMA) and Programmed I/O (PIO) - data transfer modes. The mode actually used is selectable through - the module parameter "pio". With pio=0 as a module parameter, the - default DMA is used, otherwise PIO is used. - - If unsure, choose this option. - -config B43LEGACY_DMA_MODE - bool "DMA (Direct Memory Access) only" - select B43LEGACY_DMA - ---help--- - Only include Direct Memory Access (DMA). - This reduces the size of the driver module, by omitting the PIO code. - -config B43LEGACY_PIO_MODE - bool "PIO (Programmed I/O) only" - select B43LEGACY_PIO - ---help--- - Only include Programmed I/O (PIO). - This reduces the size of the driver module, by omitting the DMA code. - Please note that PIO transfers are slow (compared to DMA). - - Also note that not all devices of the b43legacy series support PIO. - - You should use PIO only if DMA does not work for you. - -endchoice diff --git a/drivers/net/wireless/b43legacy/Makefile b/drivers/net/wireless/b43legacy/Makefile deleted file mode 100644 index 227a77e84..000000000 --- a/drivers/net/wireless/b43legacy/Makefile +++ /dev/null @@ -1,19 +0,0 @@ -# b43legacy core -b43legacy-y += main.o -b43legacy-y += ilt.o -b43legacy-y += phy.o -b43legacy-y += radio.o -b43legacy-y += sysfs.o -b43legacy-y += xmit.o -# b43 RFKILL button support -b43legacy-y += rfkill.o -# b43legacy LED support -b43legacy-$(CONFIG_B43LEGACY_LEDS) += leds.o -# b43legacy debugging -b43legacy-$(CONFIG_B43LEGACY_DEBUG) += debugfs.o -# b43legacy DMA and PIO -b43legacy-$(CONFIG_B43LEGACY_DMA) += dma.o -b43legacy-$(CONFIG_B43LEGACY_PIO) += pio.o - -obj-$(CONFIG_B43LEGACY) += b43legacy.o - diff --git a/drivers/net/wireless/b43legacy/b43legacy.h b/drivers/net/wireless/b43legacy/b43legacy.h deleted file mode 100644 index 482476fdb..000000000 --- a/drivers/net/wireless/b43legacy/b43legacy.h +++ /dev/null @@ -1,858 +0,0 @@ -#ifndef B43legacy_H_ -#define B43legacy_H_ - -#include <linux/hw_random.h> -#include <linux/kernel.h> -#include <linux/spinlock.h> -#include <linux/interrupt.h> -#include <linux/stringify.h> -#include <linux/netdevice.h> -#include <linux/pci.h> -#include <linux/atomic.h> -#include <linux/io.h> - -#include <linux/ssb/ssb.h> -#include <linux/ssb/ssb_driver_chipcommon.h> -#include <linux/completion.h> - -#include <net/mac80211.h> - -#include "debugfs.h" -#include "leds.h" -#include "rfkill.h" -#include "phy.h" - - -#define B43legacy_IRQWAIT_MAX_RETRIES 20 - -/* MMIO offsets */ -#define B43legacy_MMIO_DMA0_REASON 0x20 -#define B43legacy_MMIO_DMA0_IRQ_MASK 0x24 -#define B43legacy_MMIO_DMA1_REASON 0x28 -#define B43legacy_MMIO_DMA1_IRQ_MASK 0x2C -#define B43legacy_MMIO_DMA2_REASON 0x30 -#define B43legacy_MMIO_DMA2_IRQ_MASK 0x34 -#define B43legacy_MMIO_DMA3_REASON 0x38 -#define B43legacy_MMIO_DMA3_IRQ_MASK 0x3C -#define B43legacy_MMIO_DMA4_REASON 0x40 -#define B43legacy_MMIO_DMA4_IRQ_MASK 0x44 -#define B43legacy_MMIO_DMA5_REASON 0x48 -#define B43legacy_MMIO_DMA5_IRQ_MASK 0x4C -#define B43legacy_MMIO_MACCTL 0x120 /* MAC control */ -#define B43legacy_MMIO_MACCMD 0x124 /* MAC command */ -#define B43legacy_MMIO_GEN_IRQ_REASON 0x128 -#define B43legacy_MMIO_GEN_IRQ_MASK 0x12C -#define B43legacy_MMIO_RAM_CONTROL 0x130 -#define B43legacy_MMIO_RAM_DATA 0x134 -#define B43legacy_MMIO_PS_STATUS 0x140 -#define B43legacy_MMIO_RADIO_HWENABLED_HI 0x158 -#define B43legacy_MMIO_SHM_CONTROL 0x160 -#define B43legacy_MMIO_SHM_DATA 0x164 -#define B43legacy_MMIO_SHM_DATA_UNALIGNED 0x166 -#define B43legacy_MMIO_XMITSTAT_0 0x170 -#define B43legacy_MMIO_XMITSTAT_1 0x174 -#define B43legacy_MMIO_REV3PLUS_TSF_LOW 0x180 /* core rev >= 3 only */ -#define B43legacy_MMIO_REV3PLUS_TSF_HIGH 0x184 /* core rev >= 3 only */ -#define B43legacy_MMIO_TSF_CFP_REP 0x188 -#define B43legacy_MMIO_TSF_CFP_START 0x18C -/* 32-bit DMA */ -#define B43legacy_MMIO_DMA32_BASE0 0x200 -#define B43legacy_MMIO_DMA32_BASE1 0x220 -#define B43legacy_MMIO_DMA32_BASE2 0x240 -#define B43legacy_MMIO_DMA32_BASE3 0x260 -#define B43legacy_MMIO_DMA32_BASE4 0x280 -#define B43legacy_MMIO_DMA32_BASE5 0x2A0 -/* 64-bit DMA */ -#define B43legacy_MMIO_DMA64_BASE0 0x200 -#define B43legacy_MMIO_DMA64_BASE1 0x240 -#define B43legacy_MMIO_DMA64_BASE2 0x280 -#define B43legacy_MMIO_DMA64_BASE3 0x2C0 -#define B43legacy_MMIO_DMA64_BASE4 0x300 -#define B43legacy_MMIO_DMA64_BASE5 0x340 -/* PIO */ -#define B43legacy_MMIO_PIO1_BASE 0x300 -#define B43legacy_MMIO_PIO2_BASE 0x310 -#define B43legacy_MMIO_PIO3_BASE 0x320 -#define B43legacy_MMIO_PIO4_BASE 0x330 - -#define B43legacy_MMIO_PHY_VER 0x3E0 -#define B43legacy_MMIO_PHY_RADIO 0x3E2 -#define B43legacy_MMIO_PHY0 0x3E6 -#define B43legacy_MMIO_ANTENNA 0x3E8 -#define B43legacy_MMIO_CHANNEL 0x3F0 -#define B43legacy_MMIO_CHANNEL_EXT 0x3F4 -#define B43legacy_MMIO_RADIO_CONTROL 0x3F6 -#define B43legacy_MMIO_RADIO_DATA_HIGH 0x3F8 -#define B43legacy_MMIO_RADIO_DATA_LOW 0x3FA -#define B43legacy_MMIO_PHY_CONTROL 0x3FC -#define B43legacy_MMIO_PHY_DATA 0x3FE -#define B43legacy_MMIO_MACFILTER_CONTROL 0x420 -#define B43legacy_MMIO_MACFILTER_DATA 0x422 -#define B43legacy_MMIO_RCMTA_COUNT 0x43C /* Receive Match Transmitter Addr */ -#define B43legacy_MMIO_RADIO_HWENABLED_LO 0x49A -#define B43legacy_MMIO_GPIO_CONTROL 0x49C -#define B43legacy_MMIO_GPIO_MASK 0x49E -#define B43legacy_MMIO_TSF_CFP_PRETBTT 0x612 -#define B43legacy_MMIO_TSF_0 0x632 /* core rev < 3 only */ -#define B43legacy_MMIO_TSF_1 0x634 /* core rev < 3 only */ -#define B43legacy_MMIO_TSF_2 0x636 /* core rev < 3 only */ -#define B43legacy_MMIO_TSF_3 0x638 /* core rev < 3 only */ -#define B43legacy_MMIO_RNG 0x65A -#define B43legacy_MMIO_POWERUP_DELAY 0x6A8 - -/* SPROM boardflags_lo values */ -#define B43legacy_BFL_PACTRL 0x0002 -#define B43legacy_BFL_RSSI 0x0008 -#define B43legacy_BFL_EXTLNA 0x1000 - -/* GPIO register offset, in both ChipCommon and PCI core. */ -#define B43legacy_GPIO_CONTROL 0x6c - -/* SHM Routing */ -#define B43legacy_SHM_SHARED 0x0001 -#define B43legacy_SHM_WIRELESS 0x0002 -#define B43legacy_SHM_HW 0x0004 -#define B43legacy_SHM_UCODE 0x0300 - -/* SHM Routing modifiers */ -#define B43legacy_SHM_AUTOINC_R 0x0200 /* Read Auto-increment */ -#define B43legacy_SHM_AUTOINC_W 0x0100 /* Write Auto-increment */ -#define B43legacy_SHM_AUTOINC_RW (B43legacy_SHM_AUTOINC_R | \ - B43legacy_SHM_AUTOINC_W) - -/* Misc SHM_SHARED offsets */ -#define B43legacy_SHM_SH_WLCOREREV 0x0016 /* 802.11 core revision */ -#define B43legacy_SHM_SH_HOSTFLO 0x005E /* Hostflags ucode opts (low) */ -#define B43legacy_SHM_SH_HOSTFHI 0x0060 /* Hostflags ucode opts (high) */ -/* SHM_SHARED crypto engine */ -#define B43legacy_SHM_SH_KEYIDXBLOCK 0x05D4 /* Key index/algorithm block */ -/* SHM_SHARED beacon/AP variables */ -#define B43legacy_SHM_SH_DTIMP 0x0012 /* DTIM period */ -#define B43legacy_SHM_SH_BTL0 0x0018 /* Beacon template length 0 */ -#define B43legacy_SHM_SH_BTL1 0x001A /* Beacon template length 1 */ -#define B43legacy_SHM_SH_BTSFOFF 0x001C /* Beacon TSF offset */ -#define B43legacy_SHM_SH_TIMPOS 0x001E /* TIM position in beacon */ -#define B43legacy_SHM_SH_BEACPHYCTL 0x0054 /* Beacon PHY TX control word */ -/* SHM_SHARED ACK/CTS control */ -#define B43legacy_SHM_SH_ACKCTSPHYCTL 0x0022 /* ACK/CTS PHY control word */ -/* SHM_SHARED probe response variables */ -#define B43legacy_SHM_SH_PRTLEN 0x004A /* Probe Response template length */ -#define B43legacy_SHM_SH_PRMAXTIME 0x0074 /* Probe Response max time */ -#define B43legacy_SHM_SH_PRPHYCTL 0x0188 /* Probe Resp PHY TX control */ -/* SHM_SHARED rate tables */ -#define B43legacy_SHM_SH_OFDMDIRECT 0x0480 /* Pointer to OFDM direct map */ -#define B43legacy_SHM_SH_OFDMBASIC 0x04A0 /* Pointer to OFDM basic rate map */ -#define B43legacy_SHM_SH_CCKDIRECT 0x04C0 /* Pointer to CCK direct map */ -#define B43legacy_SHM_SH_CCKBASIC 0x04E0 /* Pointer to CCK basic rate map */ -/* SHM_SHARED microcode soft registers */ -#define B43legacy_SHM_SH_UCODEREV 0x0000 /* Microcode revision */ -#define B43legacy_SHM_SH_UCODEPATCH 0x0002 /* Microcode patchlevel */ -#define B43legacy_SHM_SH_UCODEDATE 0x0004 /* Microcode date */ -#define B43legacy_SHM_SH_UCODETIME 0x0006 /* Microcode time */ -#define B43legacy_SHM_SH_SPUWKUP 0x0094 /* pre-wakeup for synth PU in us */ -#define B43legacy_SHM_SH_PRETBTT 0x0096 /* pre-TBTT in us */ - -#define B43legacy_UCODEFLAGS_OFFSET 0x005E - -/* Hardware Radio Enable masks */ -#define B43legacy_MMIO_RADIO_HWENABLED_HI_MASK (1 << 16) -#define B43legacy_MMIO_RADIO_HWENABLED_LO_MASK (1 << 4) - -/* HostFlags. See b43legacy_hf_read/write() */ -#define B43legacy_HF_SYMW 0x00000002 /* G-PHY SYM workaround */ -#define B43legacy_HF_GDCW 0x00000020 /* G-PHY DV cancel filter */ -#define B43legacy_HF_OFDMPABOOST 0x00000040 /* Enable PA boost OFDM */ -#define B43legacy_HF_EDCF 0x00000100 /* on if WME/MAC suspended */ - -/* MacFilter offsets. */ -#define B43legacy_MACFILTER_SELF 0x0000 -#define B43legacy_MACFILTER_BSSID 0x0003 -#define B43legacy_MACFILTER_MAC 0x0010 - -/* PHYVersioning */ -#define B43legacy_PHYTYPE_B 0x01 -#define B43legacy_PHYTYPE_G 0x02 - -/* PHYRegisters */ -#define B43legacy_PHY_G_LO_CONTROL 0x0810 -#define B43legacy_PHY_ILT_G_CTRL 0x0472 -#define B43legacy_PHY_ILT_G_DATA1 0x0473 -#define B43legacy_PHY_ILT_G_DATA2 0x0474 -#define B43legacy_PHY_G_PCTL 0x0029 -#define B43legacy_PHY_RADIO_BITFIELD 0x0401 -#define B43legacy_PHY_G_CRS 0x0429 -#define B43legacy_PHY_NRSSILT_CTRL 0x0803 -#define B43legacy_PHY_NRSSILT_DATA 0x0804 - -/* RadioRegisters */ -#define B43legacy_RADIOCTL_ID 0x01 - -/* MAC Control bitfield */ -#define B43legacy_MACCTL_ENABLED 0x00000001 /* MAC Enabled */ -#define B43legacy_MACCTL_PSM_RUN 0x00000002 /* Run Microcode */ -#define B43legacy_MACCTL_PSM_JMP0 0x00000004 /* Microcode jump to 0 */ -#define B43legacy_MACCTL_SHM_ENABLED 0x00000100 /* SHM Enabled */ -#define B43legacy_MACCTL_IHR_ENABLED 0x00000400 /* IHR Region Enabled */ -#define B43legacy_MACCTL_BE 0x00010000 /* Big Endian mode */ -#define B43legacy_MACCTL_INFRA 0x00020000 /* Infrastructure mode */ -#define B43legacy_MACCTL_AP 0x00040000 /* AccessPoint mode */ -#define B43legacy_MACCTL_RADIOLOCK 0x00080000 /* Radio lock */ -#define B43legacy_MACCTL_BEACPROMISC 0x00100000 /* Beacon Promiscuous */ -#define B43legacy_MACCTL_KEEP_BADPLCP 0x00200000 /* Keep bad PLCP frames */ -#define B43legacy_MACCTL_KEEP_CTL 0x00400000 /* Keep control frames */ -#define B43legacy_MACCTL_KEEP_BAD 0x00800000 /* Keep bad frames (FCS) */ -#define B43legacy_MACCTL_PROMISC 0x01000000 /* Promiscuous mode */ -#define B43legacy_MACCTL_HWPS 0x02000000 /* Hardware Power Saving */ -#define B43legacy_MACCTL_AWAKE 0x04000000 /* Device is awake */ -#define B43legacy_MACCTL_TBTTHOLD 0x10000000 /* TBTT Hold */ -#define B43legacy_MACCTL_GMODE 0x80000000 /* G Mode */ - -/* MAC Command bitfield */ -#define B43legacy_MACCMD_BEACON0_VALID 0x00000001 /* Beacon 0 in template RAM is busy/valid */ -#define B43legacy_MACCMD_BEACON1_VALID 0x00000002 /* Beacon 1 in template RAM is busy/valid */ -#define B43legacy_MACCMD_DFQ_VALID 0x00000004 /* Directed frame queue valid (IBSS PS mode, ATIM) */ -#define B43legacy_MACCMD_CCA 0x00000008 /* Clear channel assessment */ -#define B43legacy_MACCMD_BGNOISE 0x00000010 /* Background noise */ - -/* 802.11 core specific TM State Low flags */ -#define B43legacy_TMSLOW_GMODE 0x20000000 /* G Mode Enable */ -#define B43legacy_TMSLOW_PLLREFSEL 0x00200000 /* PLL Freq Ref Select */ -#define B43legacy_TMSLOW_MACPHYCLKEN 0x00100000 /* MAC PHY Clock Ctrl Enbl */ -#define B43legacy_TMSLOW_PHYRESET 0x00080000 /* PHY Reset */ -#define B43legacy_TMSLOW_PHYCLKEN 0x00040000 /* PHY Clock Enable */ - -/* 802.11 core specific TM State High flags */ -#define B43legacy_TMSHIGH_FCLOCK 0x00040000 /* Fast Clock Available */ -#define B43legacy_TMSHIGH_GPHY 0x00010000 /* G-PHY avail (rev >= 5) */ - -#define B43legacy_UCODEFLAG_AUTODIV 0x0001 - -/* Generic-Interrupt reasons. */ -#define B43legacy_IRQ_MAC_SUSPENDED 0x00000001 -#define B43legacy_IRQ_BEACON 0x00000002 -#define B43legacy_IRQ_TBTT_INDI 0x00000004 /* Target Beacon Transmit Time */ -#define B43legacy_IRQ_BEACON_TX_OK 0x00000008 -#define B43legacy_IRQ_BEACON_CANCEL 0x00000010 -#define B43legacy_IRQ_ATIM_END 0x00000020 -#define B43legacy_IRQ_PMQ 0x00000040 -#define B43legacy_IRQ_PIO_WORKAROUND 0x00000100 -#define B43legacy_IRQ_MAC_TXERR 0x00000200 -#define B43legacy_IRQ_PHY_TXERR 0x00000800 -#define B43legacy_IRQ_PMEVENT 0x00001000 -#define B43legacy_IRQ_TIMER0 0x00002000 -#define B43legacy_IRQ_TIMER1 0x00004000 -#define B43legacy_IRQ_DMA 0x00008000 -#define B43legacy_IRQ_TXFIFO_FLUSH_OK 0x00010000 -#define B43legacy_IRQ_CCA_MEASURE_OK 0x00020000 -#define B43legacy_IRQ_NOISESAMPLE_OK 0x00040000 -#define B43legacy_IRQ_UCODE_DEBUG 0x08000000 -#define B43legacy_IRQ_RFKILL 0x10000000 -#define B43legacy_IRQ_TX_OK 0x20000000 -#define B43legacy_IRQ_PHY_G_CHANGED 0x40000000 -#define B43legacy_IRQ_TIMEOUT 0x80000000 - -#define B43legacy_IRQ_ALL 0xFFFFFFFF -#define B43legacy_IRQ_MASKTEMPLATE (B43legacy_IRQ_MAC_SUSPENDED | \ - B43legacy_IRQ_TBTT_INDI | \ - B43legacy_IRQ_ATIM_END | \ - B43legacy_IRQ_PMQ | \ - B43legacy_IRQ_MAC_TXERR | \ - B43legacy_IRQ_PHY_TXERR | \ - B43legacy_IRQ_DMA | \ - B43legacy_IRQ_TXFIFO_FLUSH_OK | \ - B43legacy_IRQ_NOISESAMPLE_OK | \ - B43legacy_IRQ_UCODE_DEBUG | \ - B43legacy_IRQ_RFKILL | \ - B43legacy_IRQ_TX_OK) - -/* Device specific rate values. - * The actual values defined here are (rate_in_mbps * 2). - * Some code depends on this. Don't change it. */ -#define B43legacy_CCK_RATE_1MB 2 -#define B43legacy_CCK_RATE_2MB 4 -#define B43legacy_CCK_RATE_5MB 11 -#define B43legacy_CCK_RATE_11MB 22 -#define B43legacy_OFDM_RATE_6MB 12 -#define B43legacy_OFDM_RATE_9MB 18 -#define B43legacy_OFDM_RATE_12MB 24 -#define B43legacy_OFDM_RATE_18MB 36 -#define B43legacy_OFDM_RATE_24MB 48 -#define B43legacy_OFDM_RATE_36MB 72 -#define B43legacy_OFDM_RATE_48MB 96 -#define B43legacy_OFDM_RATE_54MB 108 -/* Convert a b43legacy rate value to a rate in 100kbps */ -#define B43legacy_RATE_TO_100KBPS(rate) (((rate) * 10) / 2) - - -#define B43legacy_DEFAULT_SHORT_RETRY_LIMIT 7 -#define B43legacy_DEFAULT_LONG_RETRY_LIMIT 4 - -#define B43legacy_PHY_TX_BADNESS_LIMIT 1000 - -/* Max size of a security key */ -#define B43legacy_SEC_KEYSIZE 16 -/* Security algorithms. */ -enum { - B43legacy_SEC_ALGO_NONE = 0, /* unencrypted, as of TX header. */ - B43legacy_SEC_ALGO_WEP40, - B43legacy_SEC_ALGO_TKIP, - B43legacy_SEC_ALGO_AES, - B43legacy_SEC_ALGO_WEP104, - B43legacy_SEC_ALGO_AES_LEGACY, -}; - -/* Core Information Registers */ -#define B43legacy_CIR_BASE 0xf00 -#define B43legacy_CIR_SBTPSFLAG (B43legacy_CIR_BASE + 0x18) -#define B43legacy_CIR_SBIMSTATE (B43legacy_CIR_BASE + 0x90) -#define B43legacy_CIR_SBINTVEC (B43legacy_CIR_BASE + 0x94) -#define B43legacy_CIR_SBTMSTATELOW (B43legacy_CIR_BASE + 0x98) -#define B43legacy_CIR_SBTMSTATEHIGH (B43legacy_CIR_BASE + 0x9c) -#define B43legacy_CIR_SBIMCONFIGLOW (B43legacy_CIR_BASE + 0xa8) -#define B43legacy_CIR_SB_ID_HI (B43legacy_CIR_BASE + 0xfc) - -/* sbtmstatehigh state flags */ -#define B43legacy_SBTMSTATEHIGH_SERROR 0x00000001 -#define B43legacy_SBTMSTATEHIGH_BUSY 0x00000004 -#define B43legacy_SBTMSTATEHIGH_TIMEOUT 0x00000020 -#define B43legacy_SBTMSTATEHIGH_G_PHY_AVAIL 0x00010000 -#define B43legacy_SBTMSTATEHIGH_COREFLAGS 0x1FFF0000 -#define B43legacy_SBTMSTATEHIGH_DMA64BIT 0x10000000 -#define B43legacy_SBTMSTATEHIGH_GATEDCLK 0x20000000 -#define B43legacy_SBTMSTATEHIGH_BISTFAILED 0x40000000 -#define B43legacy_SBTMSTATEHIGH_BISTCOMPLETE 0x80000000 - -/* sbimstate flags */ -#define B43legacy_SBIMSTATE_IB_ERROR 0x20000 -#define B43legacy_SBIMSTATE_TIMEOUT 0x40000 - -#define PFX KBUILD_MODNAME ": " -#ifdef assert -# undef assert -#endif -#ifdef CONFIG_B43LEGACY_DEBUG -# define B43legacy_WARN_ON(x) WARN_ON(x) -# define B43legacy_BUG_ON(expr) \ - do { \ - if (unlikely((expr))) { \ - printk(KERN_INFO PFX "Test (%s) failed\n", \ - #expr); \ - BUG_ON(expr); \ - } \ - } while (0) -# define B43legacy_DEBUG 1 -#else -/* This will evaluate the argument even if debugging is disabled. */ -static inline bool __b43legacy_warn_on_dummy(bool x) { return x; } -# define B43legacy_WARN_ON(x) __b43legacy_warn_on_dummy(unlikely(!!(x))) -# define B43legacy_BUG_ON(x) do { /* nothing */ } while (0) -# define B43legacy_DEBUG 0 -#endif - - -struct net_device; -struct pci_dev; -struct b43legacy_dmaring; -struct b43legacy_pioqueue; - -/* The firmware file header */ -#define B43legacy_FW_TYPE_UCODE 'u' -#define B43legacy_FW_TYPE_PCM 'p' -#define B43legacy_FW_TYPE_IV 'i' -struct b43legacy_fw_header { - /* File type */ - u8 type; - /* File format version */ - u8 ver; - u8 __padding[2]; - /* Size of the data. For ucode and PCM this is in bytes. - * For IV this is number-of-ivs. */ - __be32 size; -} __packed; - -/* Initial Value file format */ -#define B43legacy_IV_OFFSET_MASK 0x7FFF -#define B43legacy_IV_32BIT 0x8000 -struct b43legacy_iv { - __be16 offset_size; - union { - __be16 d16; - __be32 d32; - } data __packed; -} __packed; - -#define B43legacy_PHYMODE(phytype) (1 << (phytype)) -#define B43legacy_PHYMODE_B B43legacy_PHYMODE \ - ((B43legacy_PHYTYPE_B)) -#define B43legacy_PHYMODE_G B43legacy_PHYMODE \ - ((B43legacy_PHYTYPE_G)) - -/* Value pair to measure the LocalOscillator. */ -struct b43legacy_lopair { - s8 low; - s8 high; - u8 used:1; -}; -#define B43legacy_LO_COUNT (14*4) - -struct b43legacy_phy { - /* Possible PHYMODEs on this PHY */ - u8 possible_phymodes; - /* GMODE bit enabled in MACCTL? */ - bool gmode; - - /* Analog Type */ - u8 analog; - /* B43legacy_PHYTYPE_ */ - u8 type; - /* PHY revision number. */ - u8 rev; - - u16 antenna_diversity; - u16 savedpctlreg; - /* Radio versioning */ - u16 radio_manuf; /* Radio manufacturer */ - u16 radio_ver; /* Radio version */ - u8 calibrated:1; - u8 radio_rev; /* Radio revision */ - - bool dyn_tssi_tbl; /* tssi2dbm is kmalloc()ed. */ - - /* ACI (adjacent channel interference) flags. */ - bool aci_enable; - bool aci_wlan_automatic; - bool aci_hw_rssi; - - /* Radio switched on/off */ - bool radio_on; - struct { - /* Values saved when turning the radio off. - * They are needed when turning it on again. */ - bool valid; - u16 rfover; - u16 rfoverval; - } radio_off_context; - - u16 minlowsig[2]; - u16 minlowsigpos[2]; - - /* LO Measurement Data. - * Use b43legacy_get_lopair() to get a value. - */ - struct b43legacy_lopair *_lo_pairs; - /* TSSI to dBm table in use */ - const s8 *tssi2dbm; - /* idle TSSI value */ - s8 idle_tssi; - /* Target idle TSSI */ - int tgt_idle_tssi; - /* Current idle TSSI */ - int cur_idle_tssi; - - /* LocalOscillator control values. */ - struct b43legacy_txpower_lo_control *lo_control; - /* Values from b43legacy_calc_loopback_gain() */ - s16 max_lb_gain; /* Maximum Loopback gain in hdB */ - s16 trsw_rx_gain; /* TRSW RX gain in hdB */ - s16 lna_lod_gain; /* LNA lod */ - s16 lna_gain; /* LNA */ - s16 pga_gain; /* PGA */ - - /* Desired TX power level (in dBm). This is set by the user and - * adjusted in b43legacy_phy_xmitpower(). */ - u8 power_level; - - /* Values from b43legacy_calc_loopback_gain() */ - u16 loopback_gain[2]; - - /* TX Power control values. */ - /* B/G PHY */ - struct { - /* Current Radio Attenuation for TXpower recalculation. */ - u16 rfatt; - /* Current Baseband Attenuation for TXpower recalculation. */ - u16 bbatt; - /* Current TXpower control value for TXpower recalculation. */ - u16 txctl1; - u16 txctl2; - }; - /* A PHY */ - struct { - u16 txpwr_offset; - }; - - /* Current Interference Mitigation mode */ - int interfmode; - /* Stack of saved values from the Interference Mitigation code. - * Each value in the stack is laid out as follows: - * bit 0-11: offset - * bit 12-15: register ID - * bit 16-32: value - * register ID is: 0x1 PHY, 0x2 Radio, 0x3 ILT - */ -#define B43legacy_INTERFSTACK_SIZE 26 - u32 interfstack[B43legacy_INTERFSTACK_SIZE]; - - /* Saved values from the NRSSI Slope calculation */ - s16 nrssi[2]; - s32 nrssislope; - /* In memory nrssi lookup table. */ - s8 nrssi_lt[64]; - - /* current channel */ - u8 channel; - - u16 lofcal; - - u16 initval; - - /* PHY TX errors counter. */ - atomic_t txerr_cnt; - -#if B43legacy_DEBUG - /* Manual TX-power control enabled? */ - bool manual_txpower_control; - /* PHY registers locked by b43legacy_phy_lock()? */ - bool phy_locked; -#endif /* B43legacy_DEBUG */ -}; - -/* Data structures for DMA transmission, per 80211 core. */ -struct b43legacy_dma { - struct b43legacy_dmaring *tx_ring0; - struct b43legacy_dmaring *tx_ring1; - struct b43legacy_dmaring *tx_ring2; - struct b43legacy_dmaring *tx_ring3; - struct b43legacy_dmaring *tx_ring4; - struct b43legacy_dmaring *tx_ring5; - - struct b43legacy_dmaring *rx_ring0; - struct b43legacy_dmaring *rx_ring3; /* only on core.rev < 5 */ - - u32 translation; /* Routing bits */ -}; - -/* Data structures for PIO transmission, per 80211 core. */ -struct b43legacy_pio { - struct b43legacy_pioqueue *queue0; - struct b43legacy_pioqueue *queue1; - struct b43legacy_pioqueue *queue2; - struct b43legacy_pioqueue *queue3; -}; - -/* Context information for a noise calculation (Link Quality). */ -struct b43legacy_noise_calculation { - u8 channel_at_start; - bool calculation_running; - u8 nr_samples; - s8 samples[8][4]; -}; - -struct b43legacy_stats { - u8 link_noise; - /* Store the last TX/RX times here for updating the leds. */ - unsigned long last_tx; - unsigned long last_rx; -}; - -struct b43legacy_key { - void *keyconf; - bool enabled; - u8 algorithm; -}; - -#define B43legacy_QOS_QUEUE_NUM 4 - -struct b43legacy_wldev; - -/* QOS parameters for a queue. */ -struct b43legacy_qos_params { - /* The QOS parameters */ - struct ieee80211_tx_queue_params p; -}; - -/* Data structure for the WLAN parts (802.11 cores) of the b43legacy chip. */ -struct b43legacy_wl { - /* Pointer to the active wireless device on this chip */ - struct b43legacy_wldev *current_dev; - /* Pointer to the ieee80211 hardware data structure */ - struct ieee80211_hw *hw; - - spinlock_t irq_lock; /* locks IRQ */ - struct mutex mutex; /* locks wireless core state */ - spinlock_t leds_lock; /* lock for leds */ - - /* firmware loading work */ - struct work_struct firmware_load; - - /* We can only have one operating interface (802.11 core) - * at a time. General information about this interface follows. - */ - - struct ieee80211_vif *vif; - /* MAC address (can be NULL). */ - u8 mac_addr[ETH_ALEN]; - /* Current BSSID (can be NULL). */ - u8 bssid[ETH_ALEN]; - /* Interface type. (IEEE80211_IF_TYPE_XXX) */ - int if_type; - /* Is the card operating in AP, STA or IBSS mode? */ - bool operating; - /* filter flags */ - unsigned int filter_flags; - /* Stats about the wireless interface */ - struct ieee80211_low_level_stats ieee_stats; - -#ifdef CONFIG_B43LEGACY_HWRNG - struct hwrng rng; - u8 rng_initialized; - char rng_name[30 + 1]; -#endif - - /* List of all wireless devices on this chip */ - struct list_head devlist; - u8 nr_devs; - - bool radiotap_enabled; - bool radio_enabled; - - /* The beacon we are currently using (AP or IBSS mode). - * This beacon stuff is protected by the irq_lock. */ - struct sk_buff *current_beacon; - bool beacon0_uploaded; - bool beacon1_uploaded; - bool beacon_templates_virgin; /* Never wrote the templates? */ - struct work_struct beacon_update_trigger; - /* The current QOS parameters for the 4 queues. */ - struct b43legacy_qos_params qos_params[B43legacy_QOS_QUEUE_NUM]; - - /* Packet transmit work */ - struct work_struct tx_work; - - /* Queue of packets to be transmitted. */ - struct sk_buff_head tx_queue[B43legacy_QOS_QUEUE_NUM]; - - /* Flag that implement the queues stopping. */ - bool tx_queue_stopped[B43legacy_QOS_QUEUE_NUM]; - -}; - -/* Pointers to the firmware data and meta information about it. */ -struct b43legacy_firmware { - /* Microcode */ - const struct firmware *ucode; - /* PCM code */ - const struct firmware *pcm; - /* Initial MMIO values for the firmware */ - const struct firmware *initvals; - /* Initial MMIO values for the firmware, band-specific */ - const struct firmware *initvals_band; - /* Firmware revision */ - u16 rev; - /* Firmware patchlevel */ - u16 patch; -}; - -/* Device (802.11 core) initialization status. */ -enum { - B43legacy_STAT_UNINIT = 0, /* Uninitialized. */ - B43legacy_STAT_INITIALIZED = 1, /* Initialized, not yet started. */ - B43legacy_STAT_STARTED = 2, /* Up and running. */ -}; -#define b43legacy_status(wldev) atomic_read(&(wldev)->__init_status) -#define b43legacy_set_status(wldev, stat) do { \ - atomic_set(&(wldev)->__init_status, (stat)); \ - smp_wmb(); \ - } while (0) - -/* *** --- HOW LOCKING WORKS IN B43legacy --- *** - * - * You should always acquire both, wl->mutex and wl->irq_lock unless: - * - You don't need to acquire wl->irq_lock, if the interface is stopped. - * - You don't need to acquire wl->mutex in the IRQ handler, IRQ tasklet - * and packet TX path (and _ONLY_ there.) - */ - -/* Data structure for one wireless device (802.11 core) */ -struct b43legacy_wldev { - struct ssb_device *dev; - struct b43legacy_wl *wl; - - /* The device initialization status. - * Use b43legacy_status() to query. */ - atomic_t __init_status; - /* Saved init status for handling suspend. */ - int suspend_init_status; - - bool __using_pio; /* Using pio rather than dma. */ - bool bad_frames_preempt;/* Use "Bad Frames Preemption". */ - bool dfq_valid; /* Directed frame queue valid (IBSS PS mode, ATIM). */ - bool short_preamble; /* TRUE if using short preamble. */ - bool radio_hw_enable; /* State of radio hardware enable bit. */ - - /* PHY/Radio device. */ - struct b43legacy_phy phy; - union { - /* DMA engines. */ - struct b43legacy_dma dma; - /* PIO engines. */ - struct b43legacy_pio pio; - }; - - /* Various statistics about the physical device. */ - struct b43legacy_stats stats; - - /* The device LEDs. */ - struct b43legacy_led led_tx; - struct b43legacy_led led_rx; - struct b43legacy_led led_assoc; - struct b43legacy_led led_radio; - - /* Reason code of the last interrupt. */ - u32 irq_reason; - u32 dma_reason[6]; - /* The currently active generic-interrupt mask. */ - u32 irq_mask; - /* Link Quality calculation context. */ - struct b43legacy_noise_calculation noisecalc; - /* if > 0 MAC is suspended. if == 0 MAC is enabled. */ - int mac_suspended; - - /* Interrupt Service Routine tasklet (bottom-half) */ - struct tasklet_struct isr_tasklet; - - /* Periodic tasks */ - struct delayed_work periodic_work; - unsigned int periodic_state; - - struct work_struct restart_work; - - /* encryption/decryption */ - u16 ktp; /* Key table pointer */ - u8 max_nr_keys; - struct b43legacy_key key[58]; - - /* Firmware data */ - struct b43legacy_firmware fw; - const struct firmware *fwp; /* needed to pass fw pointer */ - - /* completion struct for firmware loading */ - struct completion fw_load_complete; - - /* Devicelist in struct b43legacy_wl (all 802.11 cores) */ - struct list_head list; - - /* Debugging stuff follows. */ -#ifdef CONFIG_B43LEGACY_DEBUG - struct b43legacy_dfsentry *dfsentry; -#endif -}; - - -static inline -struct b43legacy_wl *hw_to_b43legacy_wl(struct ieee80211_hw *hw) -{ - return hw->priv; -} - -/* Helper function, which returns a boolean. - * TRUE, if PIO is used; FALSE, if DMA is used. - */ -#if defined(CONFIG_B43LEGACY_DMA) && defined(CONFIG_B43LEGACY_PIO) -static inline -int b43legacy_using_pio(struct b43legacy_wldev *dev) -{ - return dev->__using_pio; -} -#elif defined(CONFIG_B43LEGACY_DMA) -static inline -int b43legacy_using_pio(struct b43legacy_wldev *dev) -{ - return 0; -} -#elif defined(CONFIG_B43LEGACY_PIO) -static inline -int b43legacy_using_pio(struct b43legacy_wldev *dev) -{ - return 1; -} -#else -# error "Using neither DMA nor PIO? Confused..." -#endif - - -static inline -struct b43legacy_wldev *dev_to_b43legacy_wldev(struct device *dev) -{ - struct ssb_device *ssb_dev = dev_to_ssb_dev(dev); - return ssb_get_drvdata(ssb_dev); -} - -/* Is the device operating in a specified mode (IEEE80211_IF_TYPE_XXX). */ -static inline -int b43legacy_is_mode(struct b43legacy_wl *wl, int type) -{ - return (wl->operating && - wl->if_type == type); -} - -static inline -bool is_bcm_board_vendor(struct b43legacy_wldev *dev) -{ - return (dev->dev->bus->boardinfo.vendor == PCI_VENDOR_ID_BROADCOM); -} - -static inline -u16 b43legacy_read16(struct b43legacy_wldev *dev, u16 offset) -{ - return ssb_read16(dev->dev, offset); -} - -static inline -void b43legacy_write16(struct b43legacy_wldev *dev, u16 offset, u16 value) -{ - ssb_write16(dev->dev, offset, value); -} - -static inline -u32 b43legacy_read32(struct b43legacy_wldev *dev, u16 offset) -{ - return ssb_read32(dev->dev, offset); -} - -static inline -void b43legacy_write32(struct b43legacy_wldev *dev, u16 offset, u32 value) -{ - ssb_write32(dev->dev, offset, value); -} - -static inline -struct b43legacy_lopair *b43legacy_get_lopair(struct b43legacy_phy *phy, - u16 radio_attenuation, - u16 baseband_attenuation) -{ - return phy->_lo_pairs + (radio_attenuation - + 14 * (baseband_attenuation / 2)); -} - - - -/* Message printing */ -__printf(2, 3) -void b43legacyinfo(struct b43legacy_wl *wl, const char *fmt, ...); -__printf(2, 3) -void b43legacyerr(struct b43legacy_wl *wl, const char *fmt, ...); -__printf(2, 3) -void b43legacywarn(struct b43legacy_wl *wl, const char *fmt, ...); -#if B43legacy_DEBUG -__printf(2, 3) -void b43legacydbg(struct b43legacy_wl *wl, const char *fmt, ...); -#else /* DEBUG */ -# define b43legacydbg(wl, fmt...) do { /* nothing */ } while (0) -#endif /* DEBUG */ - -/* Macros for printing a value in Q5.2 format */ -#define Q52_FMT "%u.%u" -#define Q52_ARG(q52) ((q52) / 4), (((q52) & 3) * 100 / 4) - -#endif /* B43legacy_H_ */ diff --git a/drivers/net/wireless/b43legacy/debugfs.c b/drivers/net/wireless/b43legacy/debugfs.c deleted file mode 100644 index 090910ea2..000000000 --- a/drivers/net/wireless/b43legacy/debugfs.c +++ /dev/null @@ -1,500 +0,0 @@ -/* - - Broadcom B43legacy wireless driver - - debugfs driver debugging code - - Copyright (c) 2005-2007 Michael Buesch <m@bues.ch> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include <linux/fs.h> -#include <linux/debugfs.h> -#include <linux/slab.h> -#include <linux/netdevice.h> -#include <linux/pci.h> -#include <linux/mutex.h> - -#include "b43legacy.h" -#include "main.h" -#include "debugfs.h" -#include "dma.h" -#include "pio.h" -#include "xmit.h" - - -/* The root directory. */ -static struct dentry *rootdir; - -struct b43legacy_debugfs_fops { - ssize_t (*read)(struct b43legacy_wldev *dev, char *buf, size_t bufsize); - int (*write)(struct b43legacy_wldev *dev, const char *buf, size_t count); - struct file_operations fops; - /* Offset of struct b43legacy_dfs_file in struct b43legacy_dfsentry */ - size_t file_struct_offset; - /* Take wl->irq_lock before calling read/write? */ - bool take_irqlock; -}; - -static inline -struct b43legacy_dfs_file * fops_to_dfs_file(struct b43legacy_wldev *dev, - const struct b43legacy_debugfs_fops *dfops) -{ - void *p; - - p = dev->dfsentry; - p += dfops->file_struct_offset; - - return p; -} - - -#define fappend(fmt, x...) \ - do { \ - if (bufsize - count) \ - count += snprintf(buf + count, \ - bufsize - count, \ - fmt , ##x); \ - else \ - printk(KERN_ERR "b43legacy: fappend overflow\n"); \ - } while (0) - - -/* wl->irq_lock is locked */ -static ssize_t tsf_read_file(struct b43legacy_wldev *dev, char *buf, size_t bufsize) -{ - ssize_t count = 0; - u64 tsf; - - b43legacy_tsf_read(dev, &tsf); - fappend("0x%08x%08x\n", - (unsigned int)((tsf & 0xFFFFFFFF00000000ULL) >> 32), - (unsigned int)(tsf & 0xFFFFFFFFULL)); - - return count; -} - -/* wl->irq_lock is locked */ -static int tsf_write_file(struct b43legacy_wldev *dev, const char *buf, size_t count) -{ - u64 tsf; - - if (sscanf(buf, "%llu", (unsigned long long *)(&tsf)) != 1) - return -EINVAL; - b43legacy_tsf_write(dev, tsf); - - return 0; -} - -/* wl->irq_lock is locked */ -static ssize_t ucode_regs_read_file(struct b43legacy_wldev *dev, char *buf, size_t bufsize) -{ - ssize_t count = 0; - int i; - - for (i = 0; i < 64; i++) { - fappend("r%d = 0x%04x\n", i, - b43legacy_shm_read16(dev, B43legacy_SHM_WIRELESS, i)); - } - - return count; -} - -/* wl->irq_lock is locked */ -static ssize_t shm_read_file(struct b43legacy_wldev *dev, char *buf, size_t bufsize) -{ - ssize_t count = 0; - int i; - u16 tmp; - __le16 *le16buf = (__le16 *)buf; - - for (i = 0; i < 0x1000; i++) { - if (bufsize < sizeof(tmp)) - break; - tmp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, 2 * i); - le16buf[i] = cpu_to_le16(tmp); - count += sizeof(tmp); - bufsize -= sizeof(tmp); - } - - return count; -} - -static ssize_t txstat_read_file(struct b43legacy_wldev *dev, char *buf, size_t bufsize) -{ - struct b43legacy_txstatus_log *log = &dev->dfsentry->txstatlog; - ssize_t count = 0; - unsigned long flags; - int i, idx; - struct b43legacy_txstatus *stat; - - spin_lock_irqsave(&log->lock, flags); - if (log->end < 0) { - fappend("Nothing transmitted, yet\n"); - goto out_unlock; - } - fappend("b43legacy TX status reports:\n\n" - "index | cookie | seq | phy_stat | frame_count | " - "rts_count | supp_reason | pm_indicated | " - "intermediate | for_ampdu | acked\n" "---\n"); - i = log->end + 1; - idx = 0; - while (1) { - if (i == B43legacy_NR_LOGGED_TXSTATUS) - i = 0; - stat = &(log->log[i]); - if (stat->cookie) { - fappend("%03d | " - "0x%04X | 0x%04X | 0x%02X | " - "0x%X | 0x%X | " - "%u | %u | " - "%u | %u | %u\n", - idx, - stat->cookie, stat->seq, stat->phy_stat, - stat->frame_count, stat->rts_count, - stat->supp_reason, stat->pm_indicated, - stat->intermediate, stat->for_ampdu, - stat->acked); - idx++; - } - if (i == log->end) - break; - i++; - } -out_unlock: - spin_unlock_irqrestore(&log->lock, flags); - - return count; -} - -/* wl->irq_lock is locked */ -static int restart_write_file(struct b43legacy_wldev *dev, const char *buf, size_t count) -{ - int err = 0; - - if (count > 0 && buf[0] == '1') { - b43legacy_controller_restart(dev, "manually restarted"); - } else - err = -EINVAL; - - return err; -} - -#undef fappend - -static ssize_t b43legacy_debugfs_read(struct file *file, char __user *userbuf, - size_t count, loff_t *ppos) -{ - struct b43legacy_wldev *dev; - struct b43legacy_debugfs_fops *dfops; - struct b43legacy_dfs_file *dfile; - ssize_t uninitialized_var(ret); - char *buf; - const size_t bufsize = 1024 * 16; /* 16 KiB buffer */ - const size_t buforder = get_order(bufsize); - int err = 0; - - if (!count) - return 0; - dev = file->private_data; - if (!dev) - return -ENODEV; - - mutex_lock(&dev->wl->mutex); - if (b43legacy_status(dev) < B43legacy_STAT_INITIALIZED) { - err = -ENODEV; - goto out_unlock; - } - - dfops = container_of(file->f_op, struct b43legacy_debugfs_fops, fops); - if (!dfops->read) { - err = -ENOSYS; - goto out_unlock; - } - dfile = fops_to_dfs_file(dev, dfops); - - if (!dfile->buffer) { - buf = (char *)__get_free_pages(GFP_KERNEL, buforder); - if (!buf) { - err = -ENOMEM; - goto out_unlock; - } - memset(buf, 0, bufsize); - if (dfops->take_irqlock) { - spin_lock_irq(&dev->wl->irq_lock); - ret = dfops->read(dev, buf, bufsize); - spin_unlock_irq(&dev->wl->irq_lock); - } else - ret = dfops->read(dev, buf, bufsize); - if (ret <= 0) { - free_pages((unsigned long)buf, buforder); - err = ret; - goto out_unlock; - } - dfile->data_len = ret; - dfile->buffer = buf; - } - - ret = simple_read_from_buffer(userbuf, count, ppos, - dfile->buffer, - dfile->data_len); - if (*ppos >= dfile->data_len) { - free_pages((unsigned long)dfile->buffer, buforder); - dfile->buffer = NULL; - dfile->data_len = 0; - } -out_unlock: - mutex_unlock(&dev->wl->mutex); - - return err ? err : ret; -} - -static ssize_t b43legacy_debugfs_write(struct file *file, - const char __user *userbuf, - size_t count, loff_t *ppos) -{ - struct b43legacy_wldev *dev; - struct b43legacy_debugfs_fops *dfops; - char *buf; - int err = 0; - - if (!count) - return 0; - if (count > PAGE_SIZE) - return -E2BIG; - dev = file->private_data; - if (!dev) - return -ENODEV; - - mutex_lock(&dev->wl->mutex); - if (b43legacy_status(dev) < B43legacy_STAT_INITIALIZED) { - err = -ENODEV; - goto out_unlock; - } - - dfops = container_of(file->f_op, struct b43legacy_debugfs_fops, fops); - if (!dfops->write) { - err = -ENOSYS; - goto out_unlock; - } - - buf = (char *)get_zeroed_page(GFP_KERNEL); - if (!buf) { - err = -ENOMEM; - goto out_unlock; - } - if (copy_from_user(buf, userbuf, count)) { - err = -EFAULT; - goto out_freepage; - } - if (dfops->take_irqlock) { - spin_lock_irq(&dev->wl->irq_lock); - err = dfops->write(dev, buf, count); - spin_unlock_irq(&dev->wl->irq_lock); - } else - err = dfops->write(dev, buf, count); - if (err) - goto out_freepage; - -out_freepage: - free_page((unsigned long)buf); -out_unlock: - mutex_unlock(&dev->wl->mutex); - - return err ? err : count; -} - - -#define B43legacy_DEBUGFS_FOPS(name, _read, _write, _take_irqlock) \ - static struct b43legacy_debugfs_fops fops_##name = { \ - .read = _read, \ - .write = _write, \ - .fops = { \ - .open = simple_open, \ - .read = b43legacy_debugfs_read, \ - .write = b43legacy_debugfs_write, \ - .llseek = generic_file_llseek, \ - }, \ - .file_struct_offset = offsetof(struct b43legacy_dfsentry, \ - file_##name), \ - .take_irqlock = _take_irqlock, \ - } - -B43legacy_DEBUGFS_FOPS(tsf, tsf_read_file, tsf_write_file, 1); -B43legacy_DEBUGFS_FOPS(ucode_regs, ucode_regs_read_file, NULL, 1); -B43legacy_DEBUGFS_FOPS(shm, shm_read_file, NULL, 1); -B43legacy_DEBUGFS_FOPS(txstat, txstat_read_file, NULL, 0); -B43legacy_DEBUGFS_FOPS(restart, NULL, restart_write_file, 1); - - -int b43legacy_debug(struct b43legacy_wldev *dev, enum b43legacy_dyndbg feature) -{ - return !!(dev->dfsentry && dev->dfsentry->dyn_debug[feature]); -} - -static void b43legacy_remove_dynamic_debug(struct b43legacy_wldev *dev) -{ - struct b43legacy_dfsentry *e = dev->dfsentry; - int i; - - for (i = 0; i < __B43legacy_NR_DYNDBG; i++) - debugfs_remove(e->dyn_debug_dentries[i]); -} - -static void b43legacy_add_dynamic_debug(struct b43legacy_wldev *dev) -{ - struct b43legacy_dfsentry *e = dev->dfsentry; - struct dentry *d; - -#define add_dyn_dbg(name, id, initstate) do { \ - e->dyn_debug[id] = (initstate); \ - d = debugfs_create_bool(name, 0600, e->subdir, \ - &(e->dyn_debug[id])); \ - if (!IS_ERR(d)) \ - e->dyn_debug_dentries[id] = d; \ - } while (0) - - add_dyn_dbg("debug_xmitpower", B43legacy_DBG_XMITPOWER, false); - add_dyn_dbg("debug_dmaoverflow", B43legacy_DBG_DMAOVERFLOW, false); - add_dyn_dbg("debug_dmaverbose", B43legacy_DBG_DMAVERBOSE, false); - add_dyn_dbg("debug_pwork_fast", B43legacy_DBG_PWORK_FAST, false); - add_dyn_dbg("debug_pwork_stop", B43legacy_DBG_PWORK_STOP, false); - -#undef add_dyn_dbg -} - -void b43legacy_debugfs_add_device(struct b43legacy_wldev *dev) -{ - struct b43legacy_dfsentry *e; - struct b43legacy_txstatus_log *log; - char devdir[16]; - - B43legacy_WARN_ON(!dev); - e = kzalloc(sizeof(*e), GFP_KERNEL); - if (!e) { - b43legacyerr(dev->wl, "debugfs: add device OOM\n"); - return; - } - e->dev = dev; - log = &e->txstatlog; - log->log = kcalloc(B43legacy_NR_LOGGED_TXSTATUS, - sizeof(struct b43legacy_txstatus), GFP_KERNEL); - if (!log->log) { - b43legacyerr(dev->wl, "debugfs: add device txstatus OOM\n"); - kfree(e); - return; - } - log->end = -1; - spin_lock_init(&log->lock); - - dev->dfsentry = e; - - snprintf(devdir, sizeof(devdir), "%s", wiphy_name(dev->wl->hw->wiphy)); - e->subdir = debugfs_create_dir(devdir, rootdir); - if (!e->subdir || IS_ERR(e->subdir)) { - if (e->subdir == ERR_PTR(-ENODEV)) { - b43legacydbg(dev->wl, "DebugFS (CONFIG_DEBUG_FS) not " - "enabled in kernel config\n"); - } else { - b43legacyerr(dev->wl, "debugfs: cannot create %s directory\n", - devdir); - } - dev->dfsentry = NULL; - kfree(log->log); - kfree(e); - return; - } - -#define ADD_FILE(name, mode) \ - do { \ - struct dentry *d; \ - d = debugfs_create_file(__stringify(name), \ - mode, e->subdir, dev, \ - &fops_##name.fops); \ - e->file_##name.dentry = NULL; \ - if (!IS_ERR(d)) \ - e->file_##name.dentry = d; \ - } while (0) - - - ADD_FILE(tsf, 0600); - ADD_FILE(ucode_regs, 0400); - ADD_FILE(shm, 0400); - ADD_FILE(txstat, 0400); - ADD_FILE(restart, 0200); - -#undef ADD_FILE - - b43legacy_add_dynamic_debug(dev); -} - -void b43legacy_debugfs_remove_device(struct b43legacy_wldev *dev) -{ - struct b43legacy_dfsentry *e; - - if (!dev) - return; - e = dev->dfsentry; - if (!e) - return; - b43legacy_remove_dynamic_debug(dev); - - debugfs_remove(e->file_tsf.dentry); - debugfs_remove(e->file_ucode_regs.dentry); - debugfs_remove(e->file_shm.dentry); - debugfs_remove(e->file_txstat.dentry); - debugfs_remove(e->file_restart.dentry); - - debugfs_remove(e->subdir); - kfree(e->txstatlog.log); - kfree(e); -} - -void b43legacy_debugfs_log_txstat(struct b43legacy_wldev *dev, - const struct b43legacy_txstatus *status) -{ - struct b43legacy_dfsentry *e = dev->dfsentry; - struct b43legacy_txstatus_log *log; - struct b43legacy_txstatus *cur; - int i; - - if (!e) - return; - log = &e->txstatlog; - B43legacy_WARN_ON(!irqs_disabled()); - spin_lock(&log->lock); - i = log->end + 1; - if (i == B43legacy_NR_LOGGED_TXSTATUS) - i = 0; - log->end = i; - cur = &(log->log[i]); - memcpy(cur, status, sizeof(*cur)); - spin_unlock(&log->lock); -} - -void b43legacy_debugfs_init(void) -{ - rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL); - if (IS_ERR(rootdir)) - rootdir = NULL; -} - -void b43legacy_debugfs_exit(void) -{ - debugfs_remove(rootdir); -} diff --git a/drivers/net/wireless/b43legacy/debugfs.h b/drivers/net/wireless/b43legacy/debugfs.h deleted file mode 100644 index 9ee32158b..000000000 --- a/drivers/net/wireless/b43legacy/debugfs.h +++ /dev/null @@ -1,89 +0,0 @@ -#ifndef B43legacy_DEBUGFS_H_ -#define B43legacy_DEBUGFS_H_ - -struct b43legacy_wldev; -struct b43legacy_txstatus; - -enum b43legacy_dyndbg { /* Dynamic debugging features */ - B43legacy_DBG_XMITPOWER, - B43legacy_DBG_DMAOVERFLOW, - B43legacy_DBG_DMAVERBOSE, - B43legacy_DBG_PWORK_FAST, - B43legacy_DBG_PWORK_STOP, - __B43legacy_NR_DYNDBG, -}; - - -#ifdef CONFIG_B43LEGACY_DEBUG - -struct dentry; - -#define B43legacy_NR_LOGGED_TXSTATUS 100 - -struct b43legacy_txstatus_log { - struct b43legacy_txstatus *log; - int end; - spinlock_t lock; /* lock for debugging */ -}; - -struct b43legacy_dfs_file { - struct dentry *dentry; - char *buffer; - size_t data_len; -}; - -struct b43legacy_dfsentry { - struct b43legacy_wldev *dev; - struct dentry *subdir; - - struct b43legacy_dfs_file file_tsf; - struct b43legacy_dfs_file file_ucode_regs; - struct b43legacy_dfs_file file_shm; - struct b43legacy_dfs_file file_txstat; - struct b43legacy_dfs_file file_txpower_g; - struct b43legacy_dfs_file file_restart; - struct b43legacy_dfs_file file_loctls; - - struct b43legacy_txstatus_log txstatlog; - - /* Enabled/Disabled list for the dynamic debugging features. */ - bool dyn_debug[__B43legacy_NR_DYNDBG]; - /* Dentries for the dynamic debugging entries. */ - struct dentry *dyn_debug_dentries[__B43legacy_NR_DYNDBG]; -}; - -int b43legacy_debug(struct b43legacy_wldev *dev, - enum b43legacy_dyndbg feature); - -void b43legacy_debugfs_init(void); -void b43legacy_debugfs_exit(void); -void b43legacy_debugfs_add_device(struct b43legacy_wldev *dev); -void b43legacy_debugfs_remove_device(struct b43legacy_wldev *dev); -void b43legacy_debugfs_log_txstat(struct b43legacy_wldev *dev, - const struct b43legacy_txstatus *status); - -#else /* CONFIG_B43LEGACY_DEBUG*/ - -static inline -int b43legacy_debug(struct b43legacy_wldev *dev, - enum b43legacy_dyndbg feature) -{ - return 0; -} - -static inline -void b43legacy_debugfs_init(void) { } -static inline -void b43legacy_debugfs_exit(void) { } -static inline -void b43legacy_debugfs_add_device(struct b43legacy_wldev *dev) { } -static inline -void b43legacy_debugfs_remove_device(struct b43legacy_wldev *dev) { } -static inline -void b43legacy_debugfs_log_txstat(struct b43legacy_wldev *dev, - const struct b43legacy_txstatus *status) - { } - -#endif /* CONFIG_B43LEGACY_DEBUG*/ - -#endif /* B43legacy_DEBUGFS_H_ */ diff --git a/drivers/net/wireless/b43legacy/dma.c b/drivers/net/wireless/b43legacy/dma.c deleted file mode 100644 index f9dd892b9..000000000 --- a/drivers/net/wireless/b43legacy/dma.c +++ /dev/null @@ -1,1455 +0,0 @@ -/* - - Broadcom B43legacy wireless driver - - DMA ringbuffer and descriptor allocation/management - - Copyright (c) 2005, 2006 Michael Buesch <m@bues.ch> - - Some code in this file is derived from the b44.c driver - Copyright (C) 2002 David S. Miller - Copyright (C) Pekka Pietikainen - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include "b43legacy.h" -#include "dma.h" -#include "main.h" -#include "debugfs.h" -#include "xmit.h" - -#include <linux/dma-mapping.h> -#include <linux/pci.h> -#include <linux/delay.h> -#include <linux/skbuff.h> -#include <linux/slab.h> -#include <net/dst.h> - -/* 32bit DMA ops. */ -static -struct b43legacy_dmadesc32 *op32_idx2desc(struct b43legacy_dmaring *ring, - int slot, - struct b43legacy_dmadesc_meta **meta) -{ - struct b43legacy_dmadesc32 *desc; - - *meta = &(ring->meta[slot]); - desc = ring->descbase; - desc = &(desc[slot]); - - return desc; -} - -static void op32_fill_descriptor(struct b43legacy_dmaring *ring, - struct b43legacy_dmadesc32 *desc, - dma_addr_t dmaaddr, u16 bufsize, - int start, int end, int irq) -{ - struct b43legacy_dmadesc32 *descbase = ring->descbase; - int slot; - u32 ctl; - u32 addr; - u32 addrext; - - slot = (int)(desc - descbase); - B43legacy_WARN_ON(!(slot >= 0 && slot < ring->nr_slots)); - - addr = (u32)(dmaaddr & ~SSB_DMA_TRANSLATION_MASK); - addrext = (u32)(dmaaddr & SSB_DMA_TRANSLATION_MASK) - >> SSB_DMA_TRANSLATION_SHIFT; - addr |= ring->dev->dma.translation; - ctl = (bufsize - ring->frameoffset) - & B43legacy_DMA32_DCTL_BYTECNT; - if (slot == ring->nr_slots - 1) - ctl |= B43legacy_DMA32_DCTL_DTABLEEND; - if (start) - ctl |= B43legacy_DMA32_DCTL_FRAMESTART; - if (end) - ctl |= B43legacy_DMA32_DCTL_FRAMEEND; - if (irq) - ctl |= B43legacy_DMA32_DCTL_IRQ; - ctl |= (addrext << B43legacy_DMA32_DCTL_ADDREXT_SHIFT) - & B43legacy_DMA32_DCTL_ADDREXT_MASK; - - desc->control = cpu_to_le32(ctl); - desc->address = cpu_to_le32(addr); -} - -static void op32_poke_tx(struct b43legacy_dmaring *ring, int slot) -{ - b43legacy_dma_write(ring, B43legacy_DMA32_TXINDEX, - (u32)(slot * sizeof(struct b43legacy_dmadesc32))); -} - -static void op32_tx_suspend(struct b43legacy_dmaring *ring) -{ - b43legacy_dma_write(ring, B43legacy_DMA32_TXCTL, - b43legacy_dma_read(ring, B43legacy_DMA32_TXCTL) - | B43legacy_DMA32_TXSUSPEND); -} - -static void op32_tx_resume(struct b43legacy_dmaring *ring) -{ - b43legacy_dma_write(ring, B43legacy_DMA32_TXCTL, - b43legacy_dma_read(ring, B43legacy_DMA32_TXCTL) - & ~B43legacy_DMA32_TXSUSPEND); -} - -static int op32_get_current_rxslot(struct b43legacy_dmaring *ring) -{ - u32 val; - - val = b43legacy_dma_read(ring, B43legacy_DMA32_RXSTATUS); - val &= B43legacy_DMA32_RXDPTR; - - return (val / sizeof(struct b43legacy_dmadesc32)); -} - -static void op32_set_current_rxslot(struct b43legacy_dmaring *ring, - int slot) -{ - b43legacy_dma_write(ring, B43legacy_DMA32_RXINDEX, - (u32)(slot * sizeof(struct b43legacy_dmadesc32))); -} - -static inline int free_slots(struct b43legacy_dmaring *ring) -{ - return (ring->nr_slots - ring->used_slots); -} - -static inline int next_slot(struct b43legacy_dmaring *ring, int slot) -{ - B43legacy_WARN_ON(!(slot >= -1 && slot <= ring->nr_slots - 1)); - if (slot == ring->nr_slots - 1) - return 0; - return slot + 1; -} - -static inline int prev_slot(struct b43legacy_dmaring *ring, int slot) -{ - B43legacy_WARN_ON(!(slot >= 0 && slot <= ring->nr_slots - 1)); - if (slot == 0) - return ring->nr_slots - 1; - return slot - 1; -} - -#ifdef CONFIG_B43LEGACY_DEBUG -static void update_max_used_slots(struct b43legacy_dmaring *ring, - int current_used_slots) -{ - if (current_used_slots <= ring->max_used_slots) - return; - ring->max_used_slots = current_used_slots; - if (b43legacy_debug(ring->dev, B43legacy_DBG_DMAVERBOSE)) - b43legacydbg(ring->dev->wl, - "max_used_slots increased to %d on %s ring %d\n", - ring->max_used_slots, - ring->tx ? "TX" : "RX", - ring->index); -} -#else -static inline -void update_max_used_slots(struct b43legacy_dmaring *ring, - int current_used_slots) -{ } -#endif /* DEBUG */ - -/* Request a slot for usage. */ -static inline -int request_slot(struct b43legacy_dmaring *ring) -{ - int slot; - - B43legacy_WARN_ON(!ring->tx); - B43legacy_WARN_ON(ring->stopped); - B43legacy_WARN_ON(free_slots(ring) == 0); - - slot = next_slot(ring, ring->current_slot); - ring->current_slot = slot; - ring->used_slots++; - - update_max_used_slots(ring, ring->used_slots); - - return slot; -} - -/* Mac80211-queue to b43legacy-ring mapping */ -static struct b43legacy_dmaring *priority_to_txring( - struct b43legacy_wldev *dev, - int queue_priority) -{ - struct b43legacy_dmaring *ring; - -/*FIXME: For now we always run on TX-ring-1 */ -return dev->dma.tx_ring1; - - /* 0 = highest priority */ - switch (queue_priority) { - default: - B43legacy_WARN_ON(1); - /* fallthrough */ - case 0: - ring = dev->dma.tx_ring3; - break; - case 1: - ring = dev->dma.tx_ring2; - break; - case 2: - ring = dev->dma.tx_ring1; - break; - case 3: - ring = dev->dma.tx_ring0; - break; - case 4: - ring = dev->dma.tx_ring4; - break; - case 5: - ring = dev->dma.tx_ring5; - break; - } - - return ring; -} - -/* Bcm4301-ring to mac80211-queue mapping */ -static inline int txring_to_priority(struct b43legacy_dmaring *ring) -{ - static const u8 idx_to_prio[] = - { 3, 2, 1, 0, 4, 5, }; - -/*FIXME: have only one queue, for now */ -return 0; - - return idx_to_prio[ring->index]; -} - - -static u16 b43legacy_dmacontroller_base(enum b43legacy_dmatype type, - int controller_idx) -{ - static const u16 map32[] = { - B43legacy_MMIO_DMA32_BASE0, - B43legacy_MMIO_DMA32_BASE1, - B43legacy_MMIO_DMA32_BASE2, - B43legacy_MMIO_DMA32_BASE3, - B43legacy_MMIO_DMA32_BASE4, - B43legacy_MMIO_DMA32_BASE5, - }; - - B43legacy_WARN_ON(!(controller_idx >= 0 && - controller_idx < ARRAY_SIZE(map32))); - return map32[controller_idx]; -} - -static inline -dma_addr_t map_descbuffer(struct b43legacy_dmaring *ring, - unsigned char *buf, - size_t len, - int tx) -{ - dma_addr_t dmaaddr; - - if (tx) - dmaaddr = dma_map_single(ring->dev->dev->dma_dev, - buf, len, - DMA_TO_DEVICE); - else - dmaaddr = dma_map_single(ring->dev->dev->dma_dev, - buf, len, - DMA_FROM_DEVICE); - - return dmaaddr; -} - -static inline -void unmap_descbuffer(struct b43legacy_dmaring *ring, - dma_addr_t addr, - size_t len, - int tx) -{ - if (tx) - dma_unmap_single(ring->dev->dev->dma_dev, - addr, len, - DMA_TO_DEVICE); - else - dma_unmap_single(ring->dev->dev->dma_dev, - addr, len, - DMA_FROM_DEVICE); -} - -static inline -void sync_descbuffer_for_cpu(struct b43legacy_dmaring *ring, - dma_addr_t addr, - size_t len) -{ - B43legacy_WARN_ON(ring->tx); - - dma_sync_single_for_cpu(ring->dev->dev->dma_dev, - addr, len, DMA_FROM_DEVICE); -} - -static inline -void sync_descbuffer_for_device(struct b43legacy_dmaring *ring, - dma_addr_t addr, - size_t len) -{ - B43legacy_WARN_ON(ring->tx); - - dma_sync_single_for_device(ring->dev->dev->dma_dev, - addr, len, DMA_FROM_DEVICE); -} - -static inline -void free_descriptor_buffer(struct b43legacy_dmaring *ring, - struct b43legacy_dmadesc_meta *meta, - int irq_context) -{ - if (meta->skb) { - if (irq_context) - dev_kfree_skb_irq(meta->skb); - else - dev_kfree_skb(meta->skb); - meta->skb = NULL; - } -} - -static int alloc_ringmemory(struct b43legacy_dmaring *ring) -{ - /* GFP flags must match the flags in free_ringmemory()! */ - ring->descbase = dma_zalloc_coherent(ring->dev->dev->dma_dev, - B43legacy_DMA_RINGMEMSIZE, - &(ring->dmabase), GFP_KERNEL); - if (!ring->descbase) - return -ENOMEM; - - return 0; -} - -static void free_ringmemory(struct b43legacy_dmaring *ring) -{ - dma_free_coherent(ring->dev->dev->dma_dev, B43legacy_DMA_RINGMEMSIZE, - ring->descbase, ring->dmabase); -} - -/* Reset the RX DMA channel */ -static int b43legacy_dmacontroller_rx_reset(struct b43legacy_wldev *dev, - u16 mmio_base, - enum b43legacy_dmatype type) -{ - int i; - u32 value; - u16 offset; - - might_sleep(); - - offset = B43legacy_DMA32_RXCTL; - b43legacy_write32(dev, mmio_base + offset, 0); - for (i = 0; i < 10; i++) { - offset = B43legacy_DMA32_RXSTATUS; - value = b43legacy_read32(dev, mmio_base + offset); - value &= B43legacy_DMA32_RXSTATE; - if (value == B43legacy_DMA32_RXSTAT_DISABLED) { - i = -1; - break; - } - msleep(1); - } - if (i != -1) { - b43legacyerr(dev->wl, "DMA RX reset timed out\n"); - return -ENODEV; - } - - return 0; -} - -/* Reset the RX DMA channel */ -static int b43legacy_dmacontroller_tx_reset(struct b43legacy_wldev *dev, - u16 mmio_base, - enum b43legacy_dmatype type) -{ - int i; - u32 value; - u16 offset; - - might_sleep(); - - for (i = 0; i < 10; i++) { - offset = B43legacy_DMA32_TXSTATUS; - value = b43legacy_read32(dev, mmio_base + offset); - value &= B43legacy_DMA32_TXSTATE; - if (value == B43legacy_DMA32_TXSTAT_DISABLED || - value == B43legacy_DMA32_TXSTAT_IDLEWAIT || - value == B43legacy_DMA32_TXSTAT_STOPPED) - break; - msleep(1); - } - offset = B43legacy_DMA32_TXCTL; - b43legacy_write32(dev, mmio_base + offset, 0); - for (i = 0; i < 10; i++) { - offset = B43legacy_DMA32_TXSTATUS; - value = b43legacy_read32(dev, mmio_base + offset); - value &= B43legacy_DMA32_TXSTATE; - if (value == B43legacy_DMA32_TXSTAT_DISABLED) { - i = -1; - break; - } - msleep(1); - } - if (i != -1) { - b43legacyerr(dev->wl, "DMA TX reset timed out\n"); - return -ENODEV; - } - /* ensure the reset is completed. */ - msleep(1); - - return 0; -} - -/* Check if a DMA mapping address is invalid. */ -static bool b43legacy_dma_mapping_error(struct b43legacy_dmaring *ring, - dma_addr_t addr, - size_t buffersize, - bool dma_to_device) -{ - if (unlikely(dma_mapping_error(ring->dev->dev->dma_dev, addr))) - return true; - - switch (ring->type) { - case B43legacy_DMA_30BIT: - if ((u64)addr + buffersize > (1ULL << 30)) - goto address_error; - break; - case B43legacy_DMA_32BIT: - if ((u64)addr + buffersize > (1ULL << 32)) - goto address_error; - break; - } - - /* The address is OK. */ - return false; - -address_error: - /* We can't support this address. Unmap it again. */ - unmap_descbuffer(ring, addr, buffersize, dma_to_device); - - return true; -} - -static int setup_rx_descbuffer(struct b43legacy_dmaring *ring, - struct b43legacy_dmadesc32 *desc, - struct b43legacy_dmadesc_meta *meta, - gfp_t gfp_flags) -{ - struct b43legacy_rxhdr_fw3 *rxhdr; - struct b43legacy_hwtxstatus *txstat; - dma_addr_t dmaaddr; - struct sk_buff *skb; - - B43legacy_WARN_ON(ring->tx); - - skb = __dev_alloc_skb(ring->rx_buffersize, gfp_flags); - if (unlikely(!skb)) - return -ENOMEM; - dmaaddr = map_descbuffer(ring, skb->data, - ring->rx_buffersize, 0); - if (b43legacy_dma_mapping_error(ring, dmaaddr, ring->rx_buffersize, 0)) { - /* ugh. try to realloc in zone_dma */ - gfp_flags |= GFP_DMA; - - dev_kfree_skb_any(skb); - - skb = __dev_alloc_skb(ring->rx_buffersize, gfp_flags); - if (unlikely(!skb)) - return -ENOMEM; - dmaaddr = map_descbuffer(ring, skb->data, - ring->rx_buffersize, 0); - } - - if (b43legacy_dma_mapping_error(ring, dmaaddr, ring->rx_buffersize, 0)) { - dev_kfree_skb_any(skb); - return -EIO; - } - - meta->skb = skb; - meta->dmaaddr = dmaaddr; - op32_fill_descriptor(ring, desc, dmaaddr, ring->rx_buffersize, 0, 0, 0); - - rxhdr = (struct b43legacy_rxhdr_fw3 *)(skb->data); - rxhdr->frame_len = 0; - txstat = (struct b43legacy_hwtxstatus *)(skb->data); - txstat->cookie = 0; - - return 0; -} - -/* Allocate the initial descbuffers. - * This is used for an RX ring only. - */ -static int alloc_initial_descbuffers(struct b43legacy_dmaring *ring) -{ - int i; - int err = -ENOMEM; - struct b43legacy_dmadesc32 *desc; - struct b43legacy_dmadesc_meta *meta; - - for (i = 0; i < ring->nr_slots; i++) { - desc = op32_idx2desc(ring, i, &meta); - - err = setup_rx_descbuffer(ring, desc, meta, GFP_KERNEL); - if (err) { - b43legacyerr(ring->dev->wl, - "Failed to allocate initial descbuffers\n"); - goto err_unwind; - } - } - mb(); /* all descbuffer setup before next line */ - ring->used_slots = ring->nr_slots; - err = 0; -out: - return err; - -err_unwind: - for (i--; i >= 0; i--) { - desc = op32_idx2desc(ring, i, &meta); - - unmap_descbuffer(ring, meta->dmaaddr, ring->rx_buffersize, 0); - dev_kfree_skb(meta->skb); - } - goto out; -} - -/* Do initial setup of the DMA controller. - * Reset the controller, write the ring busaddress - * and switch the "enable" bit on. - */ -static int dmacontroller_setup(struct b43legacy_dmaring *ring) -{ - int err = 0; - u32 value; - u32 addrext; - u32 trans = ring->dev->dma.translation; - u32 ringbase = (u32)(ring->dmabase); - - if (ring->tx) { - addrext = (ringbase & SSB_DMA_TRANSLATION_MASK) - >> SSB_DMA_TRANSLATION_SHIFT; - value = B43legacy_DMA32_TXENABLE; - value |= (addrext << B43legacy_DMA32_TXADDREXT_SHIFT) - & B43legacy_DMA32_TXADDREXT_MASK; - b43legacy_dma_write(ring, B43legacy_DMA32_TXCTL, value); - b43legacy_dma_write(ring, B43legacy_DMA32_TXRING, - (ringbase & ~SSB_DMA_TRANSLATION_MASK) - | trans); - } else { - err = alloc_initial_descbuffers(ring); - if (err) - goto out; - - addrext = (ringbase & SSB_DMA_TRANSLATION_MASK) - >> SSB_DMA_TRANSLATION_SHIFT; - value = (ring->frameoffset << - B43legacy_DMA32_RXFROFF_SHIFT); - value |= B43legacy_DMA32_RXENABLE; - value |= (addrext << B43legacy_DMA32_RXADDREXT_SHIFT) - & B43legacy_DMA32_RXADDREXT_MASK; - b43legacy_dma_write(ring, B43legacy_DMA32_RXCTL, value); - b43legacy_dma_write(ring, B43legacy_DMA32_RXRING, - (ringbase & ~SSB_DMA_TRANSLATION_MASK) - | trans); - b43legacy_dma_write(ring, B43legacy_DMA32_RXINDEX, 200); - } - -out: - return err; -} - -/* Shutdown the DMA controller. */ -static void dmacontroller_cleanup(struct b43legacy_dmaring *ring) -{ - if (ring->tx) { - b43legacy_dmacontroller_tx_reset(ring->dev, ring->mmio_base, - ring->type); - b43legacy_dma_write(ring, B43legacy_DMA32_TXRING, 0); - } else { - b43legacy_dmacontroller_rx_reset(ring->dev, ring->mmio_base, - ring->type); - b43legacy_dma_write(ring, B43legacy_DMA32_RXRING, 0); - } -} - -static void free_all_descbuffers(struct b43legacy_dmaring *ring) -{ - struct b43legacy_dmadesc_meta *meta; - int i; - - if (!ring->used_slots) - return; - for (i = 0; i < ring->nr_slots; i++) { - op32_idx2desc(ring, i, &meta); - - if (!meta->skb) { - B43legacy_WARN_ON(!ring->tx); - continue; - } - if (ring->tx) - unmap_descbuffer(ring, meta->dmaaddr, - meta->skb->len, 1); - else - unmap_descbuffer(ring, meta->dmaaddr, - ring->rx_buffersize, 0); - free_descriptor_buffer(ring, meta, 0); - } -} - -static u64 supported_dma_mask(struct b43legacy_wldev *dev) -{ - u32 tmp; - u16 mmio_base; - - mmio_base = b43legacy_dmacontroller_base(0, 0); - b43legacy_write32(dev, - mmio_base + B43legacy_DMA32_TXCTL, - B43legacy_DMA32_TXADDREXT_MASK); - tmp = b43legacy_read32(dev, mmio_base + - B43legacy_DMA32_TXCTL); - if (tmp & B43legacy_DMA32_TXADDREXT_MASK) - return DMA_BIT_MASK(32); - - return DMA_BIT_MASK(30); -} - -static enum b43legacy_dmatype dma_mask_to_engine_type(u64 dmamask) -{ - if (dmamask == DMA_BIT_MASK(30)) - return B43legacy_DMA_30BIT; - if (dmamask == DMA_BIT_MASK(32)) - return B43legacy_DMA_32BIT; - B43legacy_WARN_ON(1); - return B43legacy_DMA_30BIT; -} - -/* Main initialization function. */ -static -struct b43legacy_dmaring *b43legacy_setup_dmaring(struct b43legacy_wldev *dev, - int controller_index, - int for_tx, - enum b43legacy_dmatype type) -{ - struct b43legacy_dmaring *ring; - int err; - int nr_slots; - dma_addr_t dma_test; - - ring = kzalloc(sizeof(*ring), GFP_KERNEL); - if (!ring) - goto out; - ring->type = type; - ring->dev = dev; - - nr_slots = B43legacy_RXRING_SLOTS; - if (for_tx) - nr_slots = B43legacy_TXRING_SLOTS; - - ring->meta = kcalloc(nr_slots, sizeof(struct b43legacy_dmadesc_meta), - GFP_KERNEL); - if (!ring->meta) - goto err_kfree_ring; - if (for_tx) { - ring->txhdr_cache = kcalloc(nr_slots, - sizeof(struct b43legacy_txhdr_fw3), - GFP_KERNEL); - if (!ring->txhdr_cache) - goto err_kfree_meta; - - /* test for ability to dma to txhdr_cache */ - dma_test = dma_map_single(dev->dev->dma_dev, ring->txhdr_cache, - sizeof(struct b43legacy_txhdr_fw3), - DMA_TO_DEVICE); - - if (b43legacy_dma_mapping_error(ring, dma_test, - sizeof(struct b43legacy_txhdr_fw3), 1)) { - /* ugh realloc */ - kfree(ring->txhdr_cache); - ring->txhdr_cache = kcalloc(nr_slots, - sizeof(struct b43legacy_txhdr_fw3), - GFP_KERNEL | GFP_DMA); - if (!ring->txhdr_cache) - goto err_kfree_meta; - - dma_test = dma_map_single(dev->dev->dma_dev, - ring->txhdr_cache, - sizeof(struct b43legacy_txhdr_fw3), - DMA_TO_DEVICE); - - if (b43legacy_dma_mapping_error(ring, dma_test, - sizeof(struct b43legacy_txhdr_fw3), 1)) - goto err_kfree_txhdr_cache; - } - - dma_unmap_single(dev->dev->dma_dev, dma_test, - sizeof(struct b43legacy_txhdr_fw3), - DMA_TO_DEVICE); - } - - ring->nr_slots = nr_slots; - ring->mmio_base = b43legacy_dmacontroller_base(type, controller_index); - ring->index = controller_index; - if (for_tx) { - ring->tx = true; - ring->current_slot = -1; - } else { - if (ring->index == 0) { - ring->rx_buffersize = B43legacy_DMA0_RX_BUFFERSIZE; - ring->frameoffset = B43legacy_DMA0_RX_FRAMEOFFSET; - } else if (ring->index == 3) { - ring->rx_buffersize = B43legacy_DMA3_RX_BUFFERSIZE; - ring->frameoffset = B43legacy_DMA3_RX_FRAMEOFFSET; - } else - B43legacy_WARN_ON(1); - } -#ifdef CONFIG_B43LEGACY_DEBUG - ring->last_injected_overflow = jiffies; -#endif - - err = alloc_ringmemory(ring); - if (err) - goto err_kfree_txhdr_cache; - err = dmacontroller_setup(ring); - if (err) - goto err_free_ringmemory; - -out: - return ring; - -err_free_ringmemory: - free_ringmemory(ring); -err_kfree_txhdr_cache: - kfree(ring->txhdr_cache); -err_kfree_meta: - kfree(ring->meta); -err_kfree_ring: - kfree(ring); - ring = NULL; - goto out; -} - -/* Main cleanup function. */ -static void b43legacy_destroy_dmaring(struct b43legacy_dmaring *ring) -{ - if (!ring) - return; - - b43legacydbg(ring->dev->wl, "DMA-%u 0x%04X (%s) max used slots:" - " %d/%d\n", (unsigned int)(ring->type), ring->mmio_base, - (ring->tx) ? "TX" : "RX", ring->max_used_slots, - ring->nr_slots); - /* Device IRQs are disabled prior entering this function, - * so no need to take care of concurrency with rx handler stuff. - */ - dmacontroller_cleanup(ring); - free_all_descbuffers(ring); - free_ringmemory(ring); - - kfree(ring->txhdr_cache); - kfree(ring->meta); - kfree(ring); -} - -void b43legacy_dma_free(struct b43legacy_wldev *dev) -{ - struct b43legacy_dma *dma; - - if (b43legacy_using_pio(dev)) - return; - dma = &dev->dma; - - b43legacy_destroy_dmaring(dma->rx_ring3); - dma->rx_ring3 = NULL; - b43legacy_destroy_dmaring(dma->rx_ring0); - dma->rx_ring0 = NULL; - - b43legacy_destroy_dmaring(dma->tx_ring5); - dma->tx_ring5 = NULL; - b43legacy_destroy_dmaring(dma->tx_ring4); - dma->tx_ring4 = NULL; - b43legacy_destroy_dmaring(dma->tx_ring3); - dma->tx_ring3 = NULL; - b43legacy_destroy_dmaring(dma->tx_ring2); - dma->tx_ring2 = NULL; - b43legacy_destroy_dmaring(dma->tx_ring1); - dma->tx_ring1 = NULL; - b43legacy_destroy_dmaring(dma->tx_ring0); - dma->tx_ring0 = NULL; -} - -static int b43legacy_dma_set_mask(struct b43legacy_wldev *dev, u64 mask) -{ - u64 orig_mask = mask; - bool fallback = false; - int err; - - /* Try to set the DMA mask. If it fails, try falling back to a - * lower mask, as we can always also support a lower one. */ - while (1) { - err = dma_set_mask_and_coherent(dev->dev->dma_dev, mask); - if (!err) - break; - if (mask == DMA_BIT_MASK(64)) { - mask = DMA_BIT_MASK(32); - fallback = true; - continue; - } - if (mask == DMA_BIT_MASK(32)) { - mask = DMA_BIT_MASK(30); - fallback = true; - continue; - } - b43legacyerr(dev->wl, "The machine/kernel does not support " - "the required %u-bit DMA mask\n", - (unsigned int)dma_mask_to_engine_type(orig_mask)); - return -EOPNOTSUPP; - } - if (fallback) { - b43legacyinfo(dev->wl, "DMA mask fallback from %u-bit to %u-" - "bit\n", - (unsigned int)dma_mask_to_engine_type(orig_mask), - (unsigned int)dma_mask_to_engine_type(mask)); - } - - return 0; -} - -int b43legacy_dma_init(struct b43legacy_wldev *dev) -{ - struct b43legacy_dma *dma = &dev->dma; - struct b43legacy_dmaring *ring; - int err; - u64 dmamask; - enum b43legacy_dmatype type; - - dmamask = supported_dma_mask(dev); - type = dma_mask_to_engine_type(dmamask); - err = b43legacy_dma_set_mask(dev, dmamask); - if (err) { -#ifdef CONFIG_B43LEGACY_PIO - b43legacywarn(dev->wl, "DMA for this device not supported. " - "Falling back to PIO\n"); - dev->__using_pio = true; - return -EAGAIN; -#else - b43legacyerr(dev->wl, "DMA for this device not supported and " - "no PIO support compiled in\n"); - return -EOPNOTSUPP; -#endif - } - dma->translation = ssb_dma_translation(dev->dev); - - err = -ENOMEM; - /* setup TX DMA channels. */ - ring = b43legacy_setup_dmaring(dev, 0, 1, type); - if (!ring) - goto out; - dma->tx_ring0 = ring; - - ring = b43legacy_setup_dmaring(dev, 1, 1, type); - if (!ring) - goto err_destroy_tx0; - dma->tx_ring1 = ring; - - ring = b43legacy_setup_dmaring(dev, 2, 1, type); - if (!ring) - goto err_destroy_tx1; - dma->tx_ring2 = ring; - - ring = b43legacy_setup_dmaring(dev, 3, 1, type); - if (!ring) - goto err_destroy_tx2; - dma->tx_ring3 = ring; - - ring = b43legacy_setup_dmaring(dev, 4, 1, type); - if (!ring) - goto err_destroy_tx3; - dma->tx_ring4 = ring; - - ring = b43legacy_setup_dmaring(dev, 5, 1, type); - if (!ring) - goto err_destroy_tx4; - dma->tx_ring5 = ring; - - /* setup RX DMA channels. */ - ring = b43legacy_setup_dmaring(dev, 0, 0, type); - if (!ring) - goto err_destroy_tx5; - dma->rx_ring0 = ring; - - if (dev->dev->id.revision < 5) { - ring = b43legacy_setup_dmaring(dev, 3, 0, type); - if (!ring) - goto err_destroy_rx0; - dma->rx_ring3 = ring; - } - - b43legacydbg(dev->wl, "%u-bit DMA initialized\n", (unsigned int)type); - err = 0; -out: - return err; - -err_destroy_rx0: - b43legacy_destroy_dmaring(dma->rx_ring0); - dma->rx_ring0 = NULL; -err_destroy_tx5: - b43legacy_destroy_dmaring(dma->tx_ring5); - dma->tx_ring5 = NULL; -err_destroy_tx4: - b43legacy_destroy_dmaring(dma->tx_ring4); - dma->tx_ring4 = NULL; -err_destroy_tx3: - b43legacy_destroy_dmaring(dma->tx_ring3); - dma->tx_ring3 = NULL; -err_destroy_tx2: - b43legacy_destroy_dmaring(dma->tx_ring2); - dma->tx_ring2 = NULL; -err_destroy_tx1: - b43legacy_destroy_dmaring(dma->tx_ring1); - dma->tx_ring1 = NULL; -err_destroy_tx0: - b43legacy_destroy_dmaring(dma->tx_ring0); - dma->tx_ring0 = NULL; - goto out; -} - -/* Generate a cookie for the TX header. */ -static u16 generate_cookie(struct b43legacy_dmaring *ring, - int slot) -{ - u16 cookie = 0x1000; - - /* Use the upper 4 bits of the cookie as - * DMA controller ID and store the slot number - * in the lower 12 bits. - * Note that the cookie must never be 0, as this - * is a special value used in RX path. - */ - switch (ring->index) { - case 0: - cookie = 0xA000; - break; - case 1: - cookie = 0xB000; - break; - case 2: - cookie = 0xC000; - break; - case 3: - cookie = 0xD000; - break; - case 4: - cookie = 0xE000; - break; - case 5: - cookie = 0xF000; - break; - } - B43legacy_WARN_ON(!(((u16)slot & 0xF000) == 0x0000)); - cookie |= (u16)slot; - - return cookie; -} - -/* Inspect a cookie and find out to which controller/slot it belongs. */ -static -struct b43legacy_dmaring *parse_cookie(struct b43legacy_wldev *dev, - u16 cookie, int *slot) -{ - struct b43legacy_dma *dma = &dev->dma; - struct b43legacy_dmaring *ring = NULL; - - switch (cookie & 0xF000) { - case 0xA000: - ring = dma->tx_ring0; - break; - case 0xB000: - ring = dma->tx_ring1; - break; - case 0xC000: - ring = dma->tx_ring2; - break; - case 0xD000: - ring = dma->tx_ring3; - break; - case 0xE000: - ring = dma->tx_ring4; - break; - case 0xF000: - ring = dma->tx_ring5; - break; - default: - B43legacy_WARN_ON(1); - } - *slot = (cookie & 0x0FFF); - B43legacy_WARN_ON(!(ring && *slot >= 0 && *slot < ring->nr_slots)); - - return ring; -} - -static int dma_tx_fragment(struct b43legacy_dmaring *ring, - struct sk_buff **in_skb) -{ - struct sk_buff *skb = *in_skb; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - u8 *header; - int slot, old_top_slot, old_used_slots; - int err; - struct b43legacy_dmadesc32 *desc; - struct b43legacy_dmadesc_meta *meta; - struct b43legacy_dmadesc_meta *meta_hdr; - struct sk_buff *bounce_skb; - -#define SLOTS_PER_PACKET 2 - B43legacy_WARN_ON(skb_shinfo(skb)->nr_frags != 0); - - old_top_slot = ring->current_slot; - old_used_slots = ring->used_slots; - - /* Get a slot for the header. */ - slot = request_slot(ring); - desc = op32_idx2desc(ring, slot, &meta_hdr); - memset(meta_hdr, 0, sizeof(*meta_hdr)); - - header = &(ring->txhdr_cache[slot * sizeof( - struct b43legacy_txhdr_fw3)]); - err = b43legacy_generate_txhdr(ring->dev, header, - skb->data, skb->len, info, - generate_cookie(ring, slot)); - if (unlikely(err)) { - ring->current_slot = old_top_slot; - ring->used_slots = old_used_slots; - return err; - } - - meta_hdr->dmaaddr = map_descbuffer(ring, (unsigned char *)header, - sizeof(struct b43legacy_txhdr_fw3), 1); - if (b43legacy_dma_mapping_error(ring, meta_hdr->dmaaddr, - sizeof(struct b43legacy_txhdr_fw3), 1)) { - ring->current_slot = old_top_slot; - ring->used_slots = old_used_slots; - return -EIO; - } - op32_fill_descriptor(ring, desc, meta_hdr->dmaaddr, - sizeof(struct b43legacy_txhdr_fw3), 1, 0, 0); - - /* Get a slot for the payload. */ - slot = request_slot(ring); - desc = op32_idx2desc(ring, slot, &meta); - memset(meta, 0, sizeof(*meta)); - - meta->skb = skb; - meta->is_last_fragment = true; - - meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1); - /* create a bounce buffer in zone_dma on mapping failure. */ - if (b43legacy_dma_mapping_error(ring, meta->dmaaddr, skb->len, 1)) { - bounce_skb = alloc_skb(skb->len, GFP_ATOMIC | GFP_DMA); - if (!bounce_skb) { - ring->current_slot = old_top_slot; - ring->used_slots = old_used_slots; - err = -ENOMEM; - goto out_unmap_hdr; - } - - memcpy(skb_put(bounce_skb, skb->len), skb->data, skb->len); - memcpy(bounce_skb->cb, skb->cb, sizeof(skb->cb)); - bounce_skb->dev = skb->dev; - skb_set_queue_mapping(bounce_skb, skb_get_queue_mapping(skb)); - info = IEEE80211_SKB_CB(bounce_skb); - - dev_kfree_skb_any(skb); - skb = bounce_skb; - *in_skb = bounce_skb; - meta->skb = skb; - meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1); - if (b43legacy_dma_mapping_error(ring, meta->dmaaddr, skb->len, 1)) { - ring->current_slot = old_top_slot; - ring->used_slots = old_used_slots; - err = -EIO; - goto out_free_bounce; - } - } - - op32_fill_descriptor(ring, desc, meta->dmaaddr, - skb->len, 0, 1, 1); - - wmb(); /* previous stuff MUST be done */ - /* Now transfer the whole frame. */ - op32_poke_tx(ring, next_slot(ring, slot)); - return 0; - -out_free_bounce: - dev_kfree_skb_any(skb); -out_unmap_hdr: - unmap_descbuffer(ring, meta_hdr->dmaaddr, - sizeof(struct b43legacy_txhdr_fw3), 1); - return err; -} - -static inline -int should_inject_overflow(struct b43legacy_dmaring *ring) -{ -#ifdef CONFIG_B43LEGACY_DEBUG - if (unlikely(b43legacy_debug(ring->dev, - B43legacy_DBG_DMAOVERFLOW))) { - /* Check if we should inject another ringbuffer overflow - * to test handling of this situation in the stack. */ - unsigned long next_overflow; - - next_overflow = ring->last_injected_overflow + HZ; - if (time_after(jiffies, next_overflow)) { - ring->last_injected_overflow = jiffies; - b43legacydbg(ring->dev->wl, - "Injecting TX ring overflow on " - "DMA controller %d\n", ring->index); - return 1; - } - } -#endif /* CONFIG_B43LEGACY_DEBUG */ - return 0; -} - -int b43legacy_dma_tx(struct b43legacy_wldev *dev, - struct sk_buff *skb) -{ - struct b43legacy_dmaring *ring; - int err = 0; - - ring = priority_to_txring(dev, skb_get_queue_mapping(skb)); - B43legacy_WARN_ON(!ring->tx); - - if (unlikely(ring->stopped)) { - /* We get here only because of a bug in mac80211. - * Because of a race, one packet may be queued after - * the queue is stopped, thus we got called when we shouldn't. - * For now, just refuse the transmit. */ - if (b43legacy_debug(dev, B43legacy_DBG_DMAVERBOSE)) - b43legacyerr(dev->wl, "Packet after queue stopped\n"); - return -ENOSPC; - } - - if (unlikely(WARN_ON(free_slots(ring) < SLOTS_PER_PACKET))) { - /* If we get here, we have a real error with the queue - * full, but queues not stopped. */ - b43legacyerr(dev->wl, "DMA queue overflow\n"); - return -ENOSPC; - } - - /* dma_tx_fragment might reallocate the skb, so invalidate pointers pointing - * into the skb data or cb now. */ - err = dma_tx_fragment(ring, &skb); - if (unlikely(err == -ENOKEY)) { - /* Drop this packet, as we don't have the encryption key - * anymore and must not transmit it unencrypted. */ - dev_kfree_skb_any(skb); - return 0; - } - if (unlikely(err)) { - b43legacyerr(dev->wl, "DMA tx mapping failure\n"); - return err; - } - if ((free_slots(ring) < SLOTS_PER_PACKET) || - should_inject_overflow(ring)) { - /* This TX ring is full. */ - unsigned int skb_mapping = skb_get_queue_mapping(skb); - ieee80211_stop_queue(dev->wl->hw, skb_mapping); - dev->wl->tx_queue_stopped[skb_mapping] = 1; - ring->stopped = true; - if (b43legacy_debug(dev, B43legacy_DBG_DMAVERBOSE)) - b43legacydbg(dev->wl, "Stopped TX ring %d\n", - ring->index); - } - return err; -} - -void b43legacy_dma_handle_txstatus(struct b43legacy_wldev *dev, - const struct b43legacy_txstatus *status) -{ - struct b43legacy_dmaring *ring; - struct b43legacy_dmadesc_meta *meta; - int retry_limit; - int slot; - int firstused; - - ring = parse_cookie(dev, status->cookie, &slot); - if (unlikely(!ring)) - return; - B43legacy_WARN_ON(!ring->tx); - - /* Sanity check: TX packets are processed in-order on one ring. - * Check if the slot deduced from the cookie really is the first - * used slot. */ - firstused = ring->current_slot - ring->used_slots + 1; - if (firstused < 0) - firstused = ring->nr_slots + firstused; - if (unlikely(slot != firstused)) { - /* This possibly is a firmware bug and will result in - * malfunction, memory leaks and/or stall of DMA functionality. - */ - b43legacydbg(dev->wl, "Out of order TX status report on DMA " - "ring %d. Expected %d, but got %d\n", - ring->index, firstused, slot); - return; - } - - while (1) { - B43legacy_WARN_ON(!(slot >= 0 && slot < ring->nr_slots)); - op32_idx2desc(ring, slot, &meta); - - if (meta->skb) - unmap_descbuffer(ring, meta->dmaaddr, - meta->skb->len, 1); - else - unmap_descbuffer(ring, meta->dmaaddr, - sizeof(struct b43legacy_txhdr_fw3), - 1); - - if (meta->is_last_fragment) { - struct ieee80211_tx_info *info; - BUG_ON(!meta->skb); - info = IEEE80211_SKB_CB(meta->skb); - - /* preserve the confiured retry limit before clearing the status - * The xmit function has overwritten the rc's value with the actual - * retry limit done by the hardware */ - retry_limit = info->status.rates[0].count; - ieee80211_tx_info_clear_status(info); - - if (status->acked) - info->flags |= IEEE80211_TX_STAT_ACK; - - if (status->rts_count > dev->wl->hw->conf.short_frame_max_tx_count) { - /* - * If the short retries (RTS, not data frame) have exceeded - * the limit, the hw will not have tried the selected rate, - * but will have used the fallback rate instead. - * Don't let the rate control count attempts for the selected - * rate in this case, otherwise the statistics will be off. - */ - info->status.rates[0].count = 0; - info->status.rates[1].count = status->frame_count; - } else { - if (status->frame_count > retry_limit) { - info->status.rates[0].count = retry_limit; - info->status.rates[1].count = status->frame_count - - retry_limit; - - } else { - info->status.rates[0].count = status->frame_count; - info->status.rates[1].idx = -1; - } - } - - /* Call back to inform the ieee80211 subsystem about the - * status of the transmission. - * Some fields of txstat are already filled in dma_tx(). - */ - ieee80211_tx_status_irqsafe(dev->wl->hw, meta->skb); - /* skb is freed by ieee80211_tx_status_irqsafe() */ - meta->skb = NULL; - } else { - /* No need to call free_descriptor_buffer here, as - * this is only the txhdr, which is not allocated. - */ - B43legacy_WARN_ON(meta->skb != NULL); - } - - /* Everything unmapped and free'd. So it's not used anymore. */ - ring->used_slots--; - - if (meta->is_last_fragment) - break; - slot = next_slot(ring, slot); - } - dev->stats.last_tx = jiffies; - if (ring->stopped) { - B43legacy_WARN_ON(free_slots(ring) < SLOTS_PER_PACKET); - ring->stopped = false; - } - - if (dev->wl->tx_queue_stopped[ring->queue_prio]) { - dev->wl->tx_queue_stopped[ring->queue_prio] = 0; - } else { - /* If the driver queue is running wake the corresponding - * mac80211 queue. */ - ieee80211_wake_queue(dev->wl->hw, ring->queue_prio); - if (b43legacy_debug(dev, B43legacy_DBG_DMAVERBOSE)) - b43legacydbg(dev->wl, "Woke up TX ring %d\n", - ring->index); - } - /* Add work to the queue. */ - ieee80211_queue_work(dev->wl->hw, &dev->wl->tx_work); -} - -static void dma_rx(struct b43legacy_dmaring *ring, - int *slot) -{ - struct b43legacy_dmadesc32 *desc; - struct b43legacy_dmadesc_meta *meta; - struct b43legacy_rxhdr_fw3 *rxhdr; - struct sk_buff *skb; - u16 len; - int err; - dma_addr_t dmaaddr; - - desc = op32_idx2desc(ring, *slot, &meta); - - sync_descbuffer_for_cpu(ring, meta->dmaaddr, ring->rx_buffersize); - skb = meta->skb; - - if (ring->index == 3) { - /* We received an xmit status. */ - struct b43legacy_hwtxstatus *hw = - (struct b43legacy_hwtxstatus *)skb->data; - int i = 0; - - while (hw->cookie == 0) { - if (i > 100) - break; - i++; - udelay(2); - barrier(); - } - b43legacy_handle_hwtxstatus(ring->dev, hw); - /* recycle the descriptor buffer. */ - sync_descbuffer_for_device(ring, meta->dmaaddr, - ring->rx_buffersize); - - return; - } - rxhdr = (struct b43legacy_rxhdr_fw3 *)skb->data; - len = le16_to_cpu(rxhdr->frame_len); - if (len == 0) { - int i = 0; - - do { - udelay(2); - barrier(); - len = le16_to_cpu(rxhdr->frame_len); - } while (len == 0 && i++ < 5); - if (unlikely(len == 0)) { - /* recycle the descriptor buffer. */ - sync_descbuffer_for_device(ring, meta->dmaaddr, - ring->rx_buffersize); - goto drop; - } - } - if (unlikely(len > ring->rx_buffersize)) { - /* The data did not fit into one descriptor buffer - * and is split over multiple buffers. - * This should never happen, as we try to allocate buffers - * big enough. So simply ignore this packet. - */ - int cnt = 0; - s32 tmp = len; - - while (1) { - desc = op32_idx2desc(ring, *slot, &meta); - /* recycle the descriptor buffer. */ - sync_descbuffer_for_device(ring, meta->dmaaddr, - ring->rx_buffersize); - *slot = next_slot(ring, *slot); - cnt++; - tmp -= ring->rx_buffersize; - if (tmp <= 0) - break; - } - b43legacyerr(ring->dev->wl, "DMA RX buffer too small " - "(len: %u, buffer: %u, nr-dropped: %d)\n", - len, ring->rx_buffersize, cnt); - goto drop; - } - - dmaaddr = meta->dmaaddr; - err = setup_rx_descbuffer(ring, desc, meta, GFP_ATOMIC); - if (unlikely(err)) { - b43legacydbg(ring->dev->wl, "DMA RX: setup_rx_descbuffer()" - " failed\n"); - sync_descbuffer_for_device(ring, dmaaddr, - ring->rx_buffersize); - goto drop; - } - - unmap_descbuffer(ring, dmaaddr, ring->rx_buffersize, 0); - skb_put(skb, len + ring->frameoffset); - skb_pull(skb, ring->frameoffset); - - b43legacy_rx(ring->dev, skb, rxhdr); -drop: - return; -} - -void b43legacy_dma_rx(struct b43legacy_dmaring *ring) -{ - int slot; - int current_slot; - int used_slots = 0; - - B43legacy_WARN_ON(ring->tx); - current_slot = op32_get_current_rxslot(ring); - B43legacy_WARN_ON(!(current_slot >= 0 && current_slot < - ring->nr_slots)); - - slot = ring->current_slot; - for (; slot != current_slot; slot = next_slot(ring, slot)) { - dma_rx(ring, &slot); - update_max_used_slots(ring, ++used_slots); - } - op32_set_current_rxslot(ring, slot); - ring->current_slot = slot; -} - -static void b43legacy_dma_tx_suspend_ring(struct b43legacy_dmaring *ring) -{ - B43legacy_WARN_ON(!ring->tx); - op32_tx_suspend(ring); -} - -static void b43legacy_dma_tx_resume_ring(struct b43legacy_dmaring *ring) -{ - B43legacy_WARN_ON(!ring->tx); - op32_tx_resume(ring); -} - -void b43legacy_dma_tx_suspend(struct b43legacy_wldev *dev) -{ - b43legacy_power_saving_ctl_bits(dev, -1, 1); - b43legacy_dma_tx_suspend_ring(dev->dma.tx_ring0); - b43legacy_dma_tx_suspend_ring(dev->dma.tx_ring1); - b43legacy_dma_tx_suspend_ring(dev->dma.tx_ring2); - b43legacy_dma_tx_suspend_ring(dev->dma.tx_ring3); - b43legacy_dma_tx_suspend_ring(dev->dma.tx_ring4); - b43legacy_dma_tx_suspend_ring(dev->dma.tx_ring5); -} - -void b43legacy_dma_tx_resume(struct b43legacy_wldev *dev) -{ - b43legacy_dma_tx_resume_ring(dev->dma.tx_ring5); - b43legacy_dma_tx_resume_ring(dev->dma.tx_ring4); - b43legacy_dma_tx_resume_ring(dev->dma.tx_ring3); - b43legacy_dma_tx_resume_ring(dev->dma.tx_ring2); - b43legacy_dma_tx_resume_ring(dev->dma.tx_ring1); - b43legacy_dma_tx_resume_ring(dev->dma.tx_ring0); - b43legacy_power_saving_ctl_bits(dev, -1, -1); -} diff --git a/drivers/net/wireless/b43legacy/dma.h b/drivers/net/wireless/b43legacy/dma.h deleted file mode 100644 index c3282f906..000000000 --- a/drivers/net/wireless/b43legacy/dma.h +++ /dev/null @@ -1,231 +0,0 @@ -#ifndef B43legacy_DMA_H_ -#define B43legacy_DMA_H_ - -#include <linux/list.h> -#include <linux/spinlock.h> -#include <linux/workqueue.h> -#include <linux/linkage.h> -#include <linux/atomic.h> - -#include "b43legacy.h" - - -/* DMA-Interrupt reasons. */ -#define B43legacy_DMAIRQ_FATALMASK ((1 << 10) | (1 << 11) | (1 << 12) \ - | (1 << 14) | (1 << 15)) -#define B43legacy_DMAIRQ_NONFATALMASK (1 << 13) -#define B43legacy_DMAIRQ_RX_DONE (1 << 16) - - -/*** 32-bit DMA Engine. ***/ - -/* 32-bit DMA controller registers. */ -#define B43legacy_DMA32_TXCTL 0x00 -#define B43legacy_DMA32_TXENABLE 0x00000001 -#define B43legacy_DMA32_TXSUSPEND 0x00000002 -#define B43legacy_DMA32_TXLOOPBACK 0x00000004 -#define B43legacy_DMA32_TXFLUSH 0x00000010 -#define B43legacy_DMA32_TXADDREXT_MASK 0x00030000 -#define B43legacy_DMA32_TXADDREXT_SHIFT 16 -#define B43legacy_DMA32_TXRING 0x04 -#define B43legacy_DMA32_TXINDEX 0x08 -#define B43legacy_DMA32_TXSTATUS 0x0C -#define B43legacy_DMA32_TXDPTR 0x00000FFF -#define B43legacy_DMA32_TXSTATE 0x0000F000 -#define B43legacy_DMA32_TXSTAT_DISABLED 0x00000000 -#define B43legacy_DMA32_TXSTAT_ACTIVE 0x00001000 -#define B43legacy_DMA32_TXSTAT_IDLEWAIT 0x00002000 -#define B43legacy_DMA32_TXSTAT_STOPPED 0x00003000 -#define B43legacy_DMA32_TXSTAT_SUSP 0x00004000 -#define B43legacy_DMA32_TXERROR 0x000F0000 -#define B43legacy_DMA32_TXERR_NOERR 0x00000000 -#define B43legacy_DMA32_TXERR_PROT 0x00010000 -#define B43legacy_DMA32_TXERR_UNDERRUN 0x00020000 -#define B43legacy_DMA32_TXERR_BUFREAD 0x00030000 -#define B43legacy_DMA32_TXERR_DESCREAD 0x00040000 -#define B43legacy_DMA32_TXACTIVE 0xFFF00000 -#define B43legacy_DMA32_RXCTL 0x10 -#define B43legacy_DMA32_RXENABLE 0x00000001 -#define B43legacy_DMA32_RXFROFF_MASK 0x000000FE -#define B43legacy_DMA32_RXFROFF_SHIFT 1 -#define B43legacy_DMA32_RXDIRECTFIFO 0x00000100 -#define B43legacy_DMA32_RXADDREXT_MASK 0x00030000 -#define B43legacy_DMA32_RXADDREXT_SHIFT 16 -#define B43legacy_DMA32_RXRING 0x14 -#define B43legacy_DMA32_RXINDEX 0x18 -#define B43legacy_DMA32_RXSTATUS 0x1C -#define B43legacy_DMA32_RXDPTR 0x00000FFF -#define B43legacy_DMA32_RXSTATE 0x0000F000 -#define B43legacy_DMA32_RXSTAT_DISABLED 0x00000000 -#define B43legacy_DMA32_RXSTAT_ACTIVE 0x00001000 -#define B43legacy_DMA32_RXSTAT_IDLEWAIT 0x00002000 -#define B43legacy_DMA32_RXSTAT_STOPPED 0x00003000 -#define B43legacy_DMA32_RXERROR 0x000F0000 -#define B43legacy_DMA32_RXERR_NOERR 0x00000000 -#define B43legacy_DMA32_RXERR_PROT 0x00010000 -#define B43legacy_DMA32_RXERR_OVERFLOW 0x00020000 -#define B43legacy_DMA32_RXERR_BUFWRITE 0x00030000 -#define B43legacy_DMA32_RXERR_DESCREAD 0x00040000 -#define B43legacy_DMA32_RXACTIVE 0xFFF00000 - -/* 32-bit DMA descriptor. */ -struct b43legacy_dmadesc32 { - __le32 control; - __le32 address; -} __packed; -#define B43legacy_DMA32_DCTL_BYTECNT 0x00001FFF -#define B43legacy_DMA32_DCTL_ADDREXT_MASK 0x00030000 -#define B43legacy_DMA32_DCTL_ADDREXT_SHIFT 16 -#define B43legacy_DMA32_DCTL_DTABLEEND 0x10000000 -#define B43legacy_DMA32_DCTL_IRQ 0x20000000 -#define B43legacy_DMA32_DCTL_FRAMEEND 0x40000000 -#define B43legacy_DMA32_DCTL_FRAMESTART 0x80000000 - - -/* Misc DMA constants */ -#define B43legacy_DMA_RINGMEMSIZE PAGE_SIZE -#define B43legacy_DMA0_RX_FRAMEOFFSET 30 -#define B43legacy_DMA3_RX_FRAMEOFFSET 0 - - -/* DMA engine tuning knobs */ -#define B43legacy_TXRING_SLOTS 128 -#define B43legacy_RXRING_SLOTS 64 -#define B43legacy_DMA0_RX_BUFFERSIZE (2304 + 100) -#define B43legacy_DMA3_RX_BUFFERSIZE 16 - - - -#ifdef CONFIG_B43LEGACY_DMA - - -struct sk_buff; -struct b43legacy_private; -struct b43legacy_txstatus; - - -struct b43legacy_dmadesc_meta { - /* The kernel DMA-able buffer. */ - struct sk_buff *skb; - /* DMA base bus-address of the descriptor buffer. */ - dma_addr_t dmaaddr; - /* ieee80211 TX status. Only used once per 802.11 frag. */ - bool is_last_fragment; -}; - -enum b43legacy_dmatype { - B43legacy_DMA_30BIT = 30, - B43legacy_DMA_32BIT = 32, -}; - -struct b43legacy_dmaring { - /* Kernel virtual base address of the ring memory. */ - void *descbase; - /* Meta data about all descriptors. */ - struct b43legacy_dmadesc_meta *meta; - /* Cache of TX headers for each slot. - * This is to avoid an allocation on each TX. - * This is NULL for an RX ring. - */ - u8 *txhdr_cache; - /* (Unadjusted) DMA base bus-address of the ring memory. */ - dma_addr_t dmabase; - /* Number of descriptor slots in the ring. */ - int nr_slots; - /* Number of used descriptor slots. */ - int used_slots; - /* Currently used slot in the ring. */ - int current_slot; - /* Frameoffset in octets. */ - u32 frameoffset; - /* Descriptor buffer size. */ - u16 rx_buffersize; - /* The MMIO base register of the DMA controller. */ - u16 mmio_base; - /* DMA controller index number (0-5). */ - int index; - /* Boolean. Is this a TX ring? */ - bool tx; - /* The type of DMA engine used. */ - enum b43legacy_dmatype type; - /* Boolean. Is this ring stopped at ieee80211 level? */ - bool stopped; - /* The QOS priority assigned to this ring. Only used for TX rings. - * This is the mac80211 "queue" value. */ - u8 queue_prio; - struct b43legacy_wldev *dev; -#ifdef CONFIG_B43LEGACY_DEBUG - /* Maximum number of used slots. */ - int max_used_slots; - /* Last time we injected a ring overflow. */ - unsigned long last_injected_overflow; -#endif /* CONFIG_B43LEGACY_DEBUG*/ -}; - - -static inline -u32 b43legacy_dma_read(struct b43legacy_dmaring *ring, - u16 offset) -{ - return b43legacy_read32(ring->dev, ring->mmio_base + offset); -} - -static inline -void b43legacy_dma_write(struct b43legacy_dmaring *ring, - u16 offset, u32 value) -{ - b43legacy_write32(ring->dev, ring->mmio_base + offset, value); -} - - -int b43legacy_dma_init(struct b43legacy_wldev *dev); -void b43legacy_dma_free(struct b43legacy_wldev *dev); - -void b43legacy_dma_tx_suspend(struct b43legacy_wldev *dev); -void b43legacy_dma_tx_resume(struct b43legacy_wldev *dev); - -int b43legacy_dma_tx(struct b43legacy_wldev *dev, - struct sk_buff *skb); -void b43legacy_dma_handle_txstatus(struct b43legacy_wldev *dev, - const struct b43legacy_txstatus *status); - -void b43legacy_dma_rx(struct b43legacy_dmaring *ring); - -#else /* CONFIG_B43LEGACY_DMA */ - - -static inline -int b43legacy_dma_init(struct b43legacy_wldev *dev) -{ - return 0; -} -static inline -void b43legacy_dma_free(struct b43legacy_wldev *dev) -{ -} -static inline -int b43legacy_dma_tx(struct b43legacy_wldev *dev, - struct sk_buff *skb) -{ - return 0; -} -static inline -void b43legacy_dma_handle_txstatus(struct b43legacy_wldev *dev, - const struct b43legacy_txstatus *status) -{ -} -static inline -void b43legacy_dma_rx(struct b43legacy_dmaring *ring) -{ -} -static inline -void b43legacy_dma_tx_suspend(struct b43legacy_wldev *dev) -{ -} -static inline -void b43legacy_dma_tx_resume(struct b43legacy_wldev *dev) -{ -} - -#endif /* CONFIG_B43LEGACY_DMA */ -#endif /* B43legacy_DMA_H_ */ diff --git a/drivers/net/wireless/b43legacy/ilt.c b/drivers/net/wireless/b43legacy/ilt.c deleted file mode 100644 index ee5682e54..000000000 --- a/drivers/net/wireless/b43legacy/ilt.c +++ /dev/null @@ -1,336 +0,0 @@ -/* - - Broadcom B43legacy wireless driver - - Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, - Stefano Brivio <stefano.brivio@polimi.it> - Michael Buesch <m@bues.ch> - Danny van Dyk <kugelfang@gentoo.org> - Andreas Jaggi <andreas.jaggi@waterwave.ch> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include "b43legacy.h" -#include "ilt.h" -#include "phy.h" - - -/**** Initial Internal Lookup Tables ****/ - -const u32 b43legacy_ilt_rotor[B43legacy_ILT_ROTOR_SIZE] = { - 0xFEB93FFD, 0xFEC63FFD, /* 0 */ - 0xFED23FFD, 0xFEDF3FFD, - 0xFEEC3FFE, 0xFEF83FFE, - 0xFF053FFE, 0xFF113FFE, - 0xFF1E3FFE, 0xFF2A3FFF, /* 8 */ - 0xFF373FFF, 0xFF443FFF, - 0xFF503FFF, 0xFF5D3FFF, - 0xFF693FFF, 0xFF763FFF, - 0xFF824000, 0xFF8F4000, /* 16 */ - 0xFF9B4000, 0xFFA84000, - 0xFFB54000, 0xFFC14000, - 0xFFCE4000, 0xFFDA4000, - 0xFFE74000, 0xFFF34000, /* 24 */ - 0x00004000, 0x000D4000, - 0x00194000, 0x00264000, - 0x00324000, 0x003F4000, - 0x004B4000, 0x00584000, /* 32 */ - 0x00654000, 0x00714000, - 0x007E4000, 0x008A3FFF, - 0x00973FFF, 0x00A33FFF, - 0x00B03FFF, 0x00BC3FFF, /* 40 */ - 0x00C93FFF, 0x00D63FFF, - 0x00E23FFE, 0x00EF3FFE, - 0x00FB3FFE, 0x01083FFE, - 0x01143FFE, 0x01213FFD, /* 48 */ - 0x012E3FFD, 0x013A3FFD, - 0x01473FFD, -}; - -const u32 b43legacy_ilt_retard[B43legacy_ILT_RETARD_SIZE] = { - 0xDB93CB87, 0xD666CF64, /* 0 */ - 0xD1FDD358, 0xCDA6D826, - 0xCA38DD9F, 0xC729E2B4, - 0xC469E88E, 0xC26AEE2B, - 0xC0DEF46C, 0xC073FA62, /* 8 */ - 0xC01D00D5, 0xC0760743, - 0xC1560D1E, 0xC2E51369, - 0xC4ED18FF, 0xC7AC1ED7, - 0xCB2823B2, 0xCEFA28D9, /* 16 */ - 0xD2F62D3F, 0xD7BB3197, - 0xDCE53568, 0xE1FE3875, - 0xE7D13B35, 0xED663D35, - 0xF39B3EC4, 0xF98E3FA7, /* 24 */ - 0x00004000, 0x06723FA7, - 0x0C653EC4, 0x129A3D35, - 0x182F3B35, 0x1E023875, - 0x231B3568, 0x28453197, /* 32 */ - 0x2D0A2D3F, 0x310628D9, - 0x34D823B2, 0x38541ED7, - 0x3B1318FF, 0x3D1B1369, - 0x3EAA0D1E, 0x3F8A0743, /* 40 */ - 0x3FE300D5, 0x3F8DFA62, - 0x3F22F46C, 0x3D96EE2B, - 0x3B97E88E, 0x38D7E2B4, - 0x35C8DD9F, 0x325AD826, /* 48 */ - 0x2E03D358, 0x299ACF64, - 0x246DCB87, -}; - -const u16 b43legacy_ilt_finefreqa[B43legacy_ILT_FINEFREQA_SIZE] = { - 0x0082, 0x0082, 0x0102, 0x0182, /* 0 */ - 0x0202, 0x0282, 0x0302, 0x0382, - 0x0402, 0x0482, 0x0502, 0x0582, - 0x05E2, 0x0662, 0x06E2, 0x0762, - 0x07E2, 0x0842, 0x08C2, 0x0942, /* 16 */ - 0x09C2, 0x0A22, 0x0AA2, 0x0B02, - 0x0B82, 0x0BE2, 0x0C62, 0x0CC2, - 0x0D42, 0x0DA2, 0x0E02, 0x0E62, - 0x0EE2, 0x0F42, 0x0FA2, 0x1002, /* 32 */ - 0x1062, 0x10C2, 0x1122, 0x1182, - 0x11E2, 0x1242, 0x12A2, 0x12E2, - 0x1342, 0x13A2, 0x1402, 0x1442, - 0x14A2, 0x14E2, 0x1542, 0x1582, /* 48 */ - 0x15E2, 0x1622, 0x1662, 0x16C1, - 0x1701, 0x1741, 0x1781, 0x17E1, - 0x1821, 0x1861, 0x18A1, 0x18E1, - 0x1921, 0x1961, 0x19A1, 0x19E1, /* 64 */ - 0x1A21, 0x1A61, 0x1AA1, 0x1AC1, - 0x1B01, 0x1B41, 0x1B81, 0x1BA1, - 0x1BE1, 0x1C21, 0x1C41, 0x1C81, - 0x1CA1, 0x1CE1, 0x1D01, 0x1D41, /* 80 */ - 0x1D61, 0x1DA1, 0x1DC1, 0x1E01, - 0x1E21, 0x1E61, 0x1E81, 0x1EA1, - 0x1EE1, 0x1F01, 0x1F21, 0x1F41, - 0x1F81, 0x1FA1, 0x1FC1, 0x1FE1, /* 96 */ - 0x2001, 0x2041, 0x2061, 0x2081, - 0x20A1, 0x20C1, 0x20E1, 0x2101, - 0x2121, 0x2141, 0x2161, 0x2181, - 0x21A1, 0x21C1, 0x21E1, 0x2201, /* 112 */ - 0x2221, 0x2241, 0x2261, 0x2281, - 0x22A1, 0x22C1, 0x22C1, 0x22E1, - 0x2301, 0x2321, 0x2341, 0x2361, - 0x2361, 0x2381, 0x23A1, 0x23C1, /* 128 */ - 0x23E1, 0x23E1, 0x2401, 0x2421, - 0x2441, 0x2441, 0x2461, 0x2481, - 0x2481, 0x24A1, 0x24C1, 0x24C1, - 0x24E1, 0x2501, 0x2501, 0x2521, /* 144 */ - 0x2541, 0x2541, 0x2561, 0x2561, - 0x2581, 0x25A1, 0x25A1, 0x25C1, - 0x25C1, 0x25E1, 0x2601, 0x2601, - 0x2621, 0x2621, 0x2641, 0x2641, /* 160 */ - 0x2661, 0x2661, 0x2681, 0x2681, - 0x26A1, 0x26A1, 0x26C1, 0x26C1, - 0x26E1, 0x26E1, 0x2701, 0x2701, - 0x2721, 0x2721, 0x2740, 0x2740, /* 176 */ - 0x2760, 0x2760, 0x2780, 0x2780, - 0x2780, 0x27A0, 0x27A0, 0x27C0, - 0x27C0, 0x27E0, 0x27E0, 0x27E0, - 0x2800, 0x2800, 0x2820, 0x2820, /* 192 */ - 0x2820, 0x2840, 0x2840, 0x2840, - 0x2860, 0x2860, 0x2880, 0x2880, - 0x2880, 0x28A0, 0x28A0, 0x28A0, - 0x28C0, 0x28C0, 0x28C0, 0x28E0, /* 208 */ - 0x28E0, 0x28E0, 0x2900, 0x2900, - 0x2900, 0x2920, 0x2920, 0x2920, - 0x2940, 0x2940, 0x2940, 0x2960, - 0x2960, 0x2960, 0x2960, 0x2980, /* 224 */ - 0x2980, 0x2980, 0x29A0, 0x29A0, - 0x29A0, 0x29A0, 0x29C0, 0x29C0, - 0x29C0, 0x29E0, 0x29E0, 0x29E0, - 0x29E0, 0x2A00, 0x2A00, 0x2A00, /* 240 */ - 0x2A00, 0x2A20, 0x2A20, 0x2A20, - 0x2A20, 0x2A40, 0x2A40, 0x2A40, - 0x2A40, 0x2A60, 0x2A60, 0x2A60, -}; - -const u16 b43legacy_ilt_finefreqg[B43legacy_ILT_FINEFREQG_SIZE] = { - 0x0089, 0x02E9, 0x0409, 0x04E9, /* 0 */ - 0x05A9, 0x0669, 0x0709, 0x0789, - 0x0829, 0x08A9, 0x0929, 0x0989, - 0x0A09, 0x0A69, 0x0AC9, 0x0B29, - 0x0BA9, 0x0BE9, 0x0C49, 0x0CA9, /* 16 */ - 0x0D09, 0x0D69, 0x0DA9, 0x0E09, - 0x0E69, 0x0EA9, 0x0F09, 0x0F49, - 0x0FA9, 0x0FE9, 0x1029, 0x1089, - 0x10C9, 0x1109, 0x1169, 0x11A9, /* 32 */ - 0x11E9, 0x1229, 0x1289, 0x12C9, - 0x1309, 0x1349, 0x1389, 0x13C9, - 0x1409, 0x1449, 0x14A9, 0x14E9, - 0x1529, 0x1569, 0x15A9, 0x15E9, /* 48 */ - 0x1629, 0x1669, 0x16A9, 0x16E8, - 0x1728, 0x1768, 0x17A8, 0x17E8, - 0x1828, 0x1868, 0x18A8, 0x18E8, - 0x1928, 0x1968, 0x19A8, 0x19E8, /* 64 */ - 0x1A28, 0x1A68, 0x1AA8, 0x1AE8, - 0x1B28, 0x1B68, 0x1BA8, 0x1BE8, - 0x1C28, 0x1C68, 0x1CA8, 0x1CE8, - 0x1D28, 0x1D68, 0x1DC8, 0x1E08, /* 80 */ - 0x1E48, 0x1E88, 0x1EC8, 0x1F08, - 0x1F48, 0x1F88, 0x1FE8, 0x2028, - 0x2068, 0x20A8, 0x2108, 0x2148, - 0x2188, 0x21C8, 0x2228, 0x2268, /* 96 */ - 0x22C8, 0x2308, 0x2348, 0x23A8, - 0x23E8, 0x2448, 0x24A8, 0x24E8, - 0x2548, 0x25A8, 0x2608, 0x2668, - 0x26C8, 0x2728, 0x2787, 0x27E7, /* 112 */ - 0x2847, 0x28C7, 0x2947, 0x29A7, - 0x2A27, 0x2AC7, 0x2B47, 0x2BE7, - 0x2CA7, 0x2D67, 0x2E47, 0x2F67, - 0x3247, 0x3526, 0x3646, 0x3726, /* 128 */ - 0x3806, 0x38A6, 0x3946, 0x39E6, - 0x3A66, 0x3AE6, 0x3B66, 0x3BC6, - 0x3C45, 0x3CA5, 0x3D05, 0x3D85, - 0x3DE5, 0x3E45, 0x3EA5, 0x3EE5, /* 144 */ - 0x3F45, 0x3FA5, 0x4005, 0x4045, - 0x40A5, 0x40E5, 0x4145, 0x4185, - 0x41E5, 0x4225, 0x4265, 0x42C5, - 0x4305, 0x4345, 0x43A5, 0x43E5, /* 160 */ - 0x4424, 0x4464, 0x44C4, 0x4504, - 0x4544, 0x4584, 0x45C4, 0x4604, - 0x4644, 0x46A4, 0x46E4, 0x4724, - 0x4764, 0x47A4, 0x47E4, 0x4824, /* 176 */ - 0x4864, 0x48A4, 0x48E4, 0x4924, - 0x4964, 0x49A4, 0x49E4, 0x4A24, - 0x4A64, 0x4AA4, 0x4AE4, 0x4B23, - 0x4B63, 0x4BA3, 0x4BE3, 0x4C23, /* 192 */ - 0x4C63, 0x4CA3, 0x4CE3, 0x4D23, - 0x4D63, 0x4DA3, 0x4DE3, 0x4E23, - 0x4E63, 0x4EA3, 0x4EE3, 0x4F23, - 0x4F63, 0x4FC3, 0x5003, 0x5043, /* 208 */ - 0x5083, 0x50C3, 0x5103, 0x5143, - 0x5183, 0x51E2, 0x5222, 0x5262, - 0x52A2, 0x52E2, 0x5342, 0x5382, - 0x53C2, 0x5402, 0x5462, 0x54A2, /* 224 */ - 0x5502, 0x5542, 0x55A2, 0x55E2, - 0x5642, 0x5682, 0x56E2, 0x5722, - 0x5782, 0x57E1, 0x5841, 0x58A1, - 0x5901, 0x5961, 0x59C1, 0x5A21, /* 240 */ - 0x5AA1, 0x5B01, 0x5B81, 0x5BE1, - 0x5C61, 0x5D01, 0x5D80, 0x5E20, - 0x5EE0, 0x5FA0, 0x6080, 0x61C0, -}; - -const u16 b43legacy_ilt_noisea2[B43legacy_ILT_NOISEA2_SIZE] = { - 0x0001, 0x0001, 0x0001, 0xFFFE, - 0xFFFE, 0x3FFF, 0x1000, 0x0393, -}; - -const u16 b43legacy_ilt_noisea3[B43legacy_ILT_NOISEA3_SIZE] = { - 0x4C4C, 0x4C4C, 0x4C4C, 0x2D36, - 0x4C4C, 0x4C4C, 0x4C4C, 0x2D36, -}; - -const u16 b43legacy_ilt_noiseg1[B43legacy_ILT_NOISEG1_SIZE] = { - 0x013C, 0x01F5, 0x031A, 0x0631, - 0x0001, 0x0001, 0x0001, 0x0001, -}; - -const u16 b43legacy_ilt_noiseg2[B43legacy_ILT_NOISEG2_SIZE] = { - 0x5484, 0x3C40, 0x0000, 0x0000, - 0x0000, 0x0000, 0x0000, 0x0000, -}; - -const u16 b43legacy_ilt_noisescaleg1[B43legacy_ILT_NOISESCALEG_SIZE] = { - 0x6C77, 0x5162, 0x3B40, 0x3335, /* 0 */ - 0x2F2D, 0x2A2A, 0x2527, 0x1F21, - 0x1A1D, 0x1719, 0x1616, 0x1414, - 0x1414, 0x1400, 0x1414, 0x1614, - 0x1716, 0x1A19, 0x1F1D, 0x2521, /* 16 */ - 0x2A27, 0x2F2A, 0x332D, 0x3B35, - 0x5140, 0x6C62, 0x0077, -}; - -const u16 b43legacy_ilt_noisescaleg2[B43legacy_ILT_NOISESCALEG_SIZE] = { - 0xD8DD, 0xCBD4, 0xBCC0, 0XB6B7, /* 0 */ - 0xB2B0, 0xADAD, 0xA7A9, 0x9FA1, - 0x969B, 0x9195, 0x8F8F, 0x8A8A, - 0x8A8A, 0x8A00, 0x8A8A, 0x8F8A, - 0x918F, 0x9695, 0x9F9B, 0xA7A1, /* 16 */ - 0xADA9, 0xB2AD, 0xB6B0, 0xBCB7, - 0xCBC0, 0xD8D4, 0x00DD, -}; - -const u16 b43legacy_ilt_noisescaleg3[B43legacy_ILT_NOISESCALEG_SIZE] = { - 0xA4A4, 0xA4A4, 0xA4A4, 0xA4A4, /* 0 */ - 0xA4A4, 0xA4A4, 0xA4A4, 0xA4A4, - 0xA4A4, 0xA4A4, 0xA4A4, 0xA4A4, - 0xA4A4, 0xA400, 0xA4A4, 0xA4A4, - 0xA4A4, 0xA4A4, 0xA4A4, 0xA4A4, /* 16 */ - 0xA4A4, 0xA4A4, 0xA4A4, 0xA4A4, - 0xA4A4, 0xA4A4, 0x00A4, -}; - -const u16 b43legacy_ilt_sigmasqr1[B43legacy_ILT_SIGMASQR_SIZE] = { - 0x007A, 0x0075, 0x0071, 0x006C, /* 0 */ - 0x0067, 0x0063, 0x005E, 0x0059, - 0x0054, 0x0050, 0x004B, 0x0046, - 0x0042, 0x003D, 0x003D, 0x003D, - 0x003D, 0x003D, 0x003D, 0x003D, /* 16 */ - 0x003D, 0x003D, 0x003D, 0x003D, - 0x003D, 0x003D, 0x0000, 0x003D, - 0x003D, 0x003D, 0x003D, 0x003D, - 0x003D, 0x003D, 0x003D, 0x003D, /* 32 */ - 0x003D, 0x003D, 0x003D, 0x003D, - 0x0042, 0x0046, 0x004B, 0x0050, - 0x0054, 0x0059, 0x005E, 0x0063, - 0x0067, 0x006C, 0x0071, 0x0075, /* 48 */ - 0x007A, -}; - -const u16 b43legacy_ilt_sigmasqr2[B43legacy_ILT_SIGMASQR_SIZE] = { - 0x00DE, 0x00DC, 0x00DA, 0x00D8, /* 0 */ - 0x00D6, 0x00D4, 0x00D2, 0x00CF, - 0x00CD, 0x00CA, 0x00C7, 0x00C4, - 0x00C1, 0x00BE, 0x00BE, 0x00BE, - 0x00BE, 0x00BE, 0x00BE, 0x00BE, /* 16 */ - 0x00BE, 0x00BE, 0x00BE, 0x00BE, - 0x00BE, 0x00BE, 0x0000, 0x00BE, - 0x00BE, 0x00BE, 0x00BE, 0x00BE, - 0x00BE, 0x00BE, 0x00BE, 0x00BE, /* 32 */ - 0x00BE, 0x00BE, 0x00BE, 0x00BE, - 0x00C1, 0x00C4, 0x00C7, 0x00CA, - 0x00CD, 0x00CF, 0x00D2, 0x00D4, - 0x00D6, 0x00D8, 0x00DA, 0x00DC, /* 48 */ - 0x00DE, -}; - -/**** Helper functions to access the device Internal Lookup Tables ****/ - -void b43legacy_ilt_write(struct b43legacy_wldev *dev, u16 offset, u16 val) -{ - b43legacy_phy_write(dev, B43legacy_PHY_ILT_G_CTRL, offset); - mmiowb(); - b43legacy_phy_write(dev, B43legacy_PHY_ILT_G_DATA1, val); -} - -void b43legacy_ilt_write32(struct b43legacy_wldev *dev, u16 offset, u32 val) -{ - b43legacy_phy_write(dev, B43legacy_PHY_ILT_G_CTRL, offset); - mmiowb(); - b43legacy_phy_write(dev, B43legacy_PHY_ILT_G_DATA2, - (val & 0xFFFF0000) >> 16); - b43legacy_phy_write(dev, B43legacy_PHY_ILT_G_DATA1, - val & 0x0000FFFF); -} - -u16 b43legacy_ilt_read(struct b43legacy_wldev *dev, u16 offset) -{ - b43legacy_phy_write(dev, B43legacy_PHY_ILT_G_CTRL, offset); - return b43legacy_phy_read(dev, B43legacy_PHY_ILT_G_DATA1); -} diff --git a/drivers/net/wireless/b43legacy/ilt.h b/drivers/net/wireless/b43legacy/ilt.h deleted file mode 100644 index 48bcf37ec..000000000 --- a/drivers/net/wireless/b43legacy/ilt.h +++ /dev/null @@ -1,34 +0,0 @@ -#ifndef B43legacy_ILT_H_ -#define B43legacy_ILT_H_ - -#define B43legacy_ILT_ROTOR_SIZE 53 -extern const u32 b43legacy_ilt_rotor[B43legacy_ILT_ROTOR_SIZE]; -#define B43legacy_ILT_RETARD_SIZE 53 -extern const u32 b43legacy_ilt_retard[B43legacy_ILT_RETARD_SIZE]; -#define B43legacy_ILT_FINEFREQA_SIZE 256 -extern const u16 b43legacy_ilt_finefreqa[B43legacy_ILT_FINEFREQA_SIZE]; -#define B43legacy_ILT_FINEFREQG_SIZE 256 -extern const u16 b43legacy_ilt_finefreqg[B43legacy_ILT_FINEFREQG_SIZE]; -#define B43legacy_ILT_NOISEA2_SIZE 8 -extern const u16 b43legacy_ilt_noisea2[B43legacy_ILT_NOISEA2_SIZE]; -#define B43legacy_ILT_NOISEA3_SIZE 8 -extern const u16 b43legacy_ilt_noisea3[B43legacy_ILT_NOISEA3_SIZE]; -#define B43legacy_ILT_NOISEG1_SIZE 8 -extern const u16 b43legacy_ilt_noiseg1[B43legacy_ILT_NOISEG1_SIZE]; -#define B43legacy_ILT_NOISEG2_SIZE 8 -extern const u16 b43legacy_ilt_noiseg2[B43legacy_ILT_NOISEG2_SIZE]; -#define B43legacy_ILT_NOISESCALEG_SIZE 27 -extern const u16 b43legacy_ilt_noisescaleg1[B43legacy_ILT_NOISESCALEG_SIZE]; -extern const u16 b43legacy_ilt_noisescaleg2[B43legacy_ILT_NOISESCALEG_SIZE]; -extern const u16 b43legacy_ilt_noisescaleg3[B43legacy_ILT_NOISESCALEG_SIZE]; -#define B43legacy_ILT_SIGMASQR_SIZE 53 -extern const u16 b43legacy_ilt_sigmasqr1[B43legacy_ILT_SIGMASQR_SIZE]; -extern const u16 b43legacy_ilt_sigmasqr2[B43legacy_ILT_SIGMASQR_SIZE]; - - -void b43legacy_ilt_write(struct b43legacy_wldev *dev, u16 offset, u16 val); -void b43legacy_ilt_write32(struct b43legacy_wldev *dev, u16 offset, - u32 val); -u16 b43legacy_ilt_read(struct b43legacy_wldev *dev, u16 offset); - -#endif /* B43legacy_ILT_H_ */ diff --git a/drivers/net/wireless/b43legacy/leds.c b/drivers/net/wireless/b43legacy/leds.c deleted file mode 100644 index fd4565389..000000000 --- a/drivers/net/wireless/b43legacy/leds.c +++ /dev/null @@ -1,243 +0,0 @@ -/* - - Broadcom B43 wireless driver - LED control - - Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, - Copyright (c) 2005 Stefano Brivio <stefano.brivio@polimi.it> - Copyright (c) 2005-2007 Michael Buesch <m@bues.ch> - Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org> - Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include "b43legacy.h" -#include "leds.h" -#include "rfkill.h" - - -static void b43legacy_led_turn_on(struct b43legacy_wldev *dev, u8 led_index, - bool activelow) -{ - struct b43legacy_wl *wl = dev->wl; - unsigned long flags; - u16 ctl; - - spin_lock_irqsave(&wl->leds_lock, flags); - ctl = b43legacy_read16(dev, B43legacy_MMIO_GPIO_CONTROL); - if (activelow) - ctl &= ~(1 << led_index); - else - ctl |= (1 << led_index); - b43legacy_write16(dev, B43legacy_MMIO_GPIO_CONTROL, ctl); - spin_unlock_irqrestore(&wl->leds_lock, flags); -} - -static void b43legacy_led_turn_off(struct b43legacy_wldev *dev, u8 led_index, - bool activelow) -{ - struct b43legacy_wl *wl = dev->wl; - unsigned long flags; - u16 ctl; - - spin_lock_irqsave(&wl->leds_lock, flags); - ctl = b43legacy_read16(dev, B43legacy_MMIO_GPIO_CONTROL); - if (activelow) - ctl |= (1 << led_index); - else - ctl &= ~(1 << led_index); - b43legacy_write16(dev, B43legacy_MMIO_GPIO_CONTROL, ctl); - spin_unlock_irqrestore(&wl->leds_lock, flags); -} - -/* Callback from the LED subsystem. */ -static void b43legacy_led_brightness_set(struct led_classdev *led_dev, - enum led_brightness brightness) -{ - struct b43legacy_led *led = container_of(led_dev, struct b43legacy_led, - led_dev); - struct b43legacy_wldev *dev = led->dev; - bool radio_enabled; - - /* Checking the radio-enabled status here is slightly racy, - * but we want to avoid the locking overhead and we don't care - * whether the LED has the wrong state for a second. */ - radio_enabled = (dev->phy.radio_on && dev->radio_hw_enable); - - if (brightness == LED_OFF || !radio_enabled) - b43legacy_led_turn_off(dev, led->index, led->activelow); - else - b43legacy_led_turn_on(dev, led->index, led->activelow); -} - -static int b43legacy_register_led(struct b43legacy_wldev *dev, - struct b43legacy_led *led, - const char *name, - const char *default_trigger, - u8 led_index, bool activelow) -{ - int err; - - b43legacy_led_turn_off(dev, led_index, activelow); - if (led->dev) - return -EEXIST; - if (!default_trigger) - return -EINVAL; - led->dev = dev; - led->index = led_index; - led->activelow = activelow; - strncpy(led->name, name, sizeof(led->name)); - - led->led_dev.name = led->name; - led->led_dev.default_trigger = default_trigger; - led->led_dev.brightness_set = b43legacy_led_brightness_set; - - err = led_classdev_register(dev->dev->dev, &led->led_dev); - if (err) { - b43legacywarn(dev->wl, "LEDs: Failed to register %s\n", name); - led->dev = NULL; - return err; - } - return 0; -} - -static void b43legacy_unregister_led(struct b43legacy_led *led) -{ - if (!led->dev) - return; - led_classdev_unregister(&led->led_dev); - b43legacy_led_turn_off(led->dev, led->index, led->activelow); - led->dev = NULL; -} - -static void b43legacy_map_led(struct b43legacy_wldev *dev, - u8 led_index, - enum b43legacy_led_behaviour behaviour, - bool activelow) -{ - struct ieee80211_hw *hw = dev->wl->hw; - char name[B43legacy_LED_MAX_NAME_LEN + 1]; - - /* Map the b43 specific LED behaviour value to the - * generic LED triggers. */ - switch (behaviour) { - case B43legacy_LED_INACTIVE: - break; - case B43legacy_LED_OFF: - b43legacy_led_turn_off(dev, led_index, activelow); - break; - case B43legacy_LED_ON: - b43legacy_led_turn_on(dev, led_index, activelow); - break; - case B43legacy_LED_ACTIVITY: - case B43legacy_LED_TRANSFER: - case B43legacy_LED_APTRANSFER: - snprintf(name, sizeof(name), - "b43legacy-%s::tx", wiphy_name(hw->wiphy)); - b43legacy_register_led(dev, &dev->led_tx, name, - ieee80211_get_tx_led_name(hw), - led_index, activelow); - snprintf(name, sizeof(name), - "b43legacy-%s::rx", wiphy_name(hw->wiphy)); - b43legacy_register_led(dev, &dev->led_rx, name, - ieee80211_get_rx_led_name(hw), - led_index, activelow); - break; - case B43legacy_LED_RADIO_ALL: - case B43legacy_LED_RADIO_A: - case B43legacy_LED_RADIO_B: - case B43legacy_LED_MODE_BG: - snprintf(name, sizeof(name), - "b43legacy-%s::radio", wiphy_name(hw->wiphy)); - b43legacy_register_led(dev, &dev->led_radio, name, - ieee80211_get_radio_led_name(hw), - led_index, activelow); - /* Sync the RF-kill LED state with radio and switch states. */ - if (dev->phy.radio_on && b43legacy_is_hw_radio_enabled(dev)) - b43legacy_led_turn_on(dev, led_index, activelow); - break; - case B43legacy_LED_WEIRD: - case B43legacy_LED_ASSOC: - snprintf(name, sizeof(name), - "b43legacy-%s::assoc", wiphy_name(hw->wiphy)); - b43legacy_register_led(dev, &dev->led_assoc, name, - ieee80211_get_assoc_led_name(hw), - led_index, activelow); - break; - default: - b43legacywarn(dev->wl, "LEDs: Unknown behaviour 0x%02X\n", - behaviour); - break; - } -} - -void b43legacy_leds_init(struct b43legacy_wldev *dev) -{ - struct ssb_bus *bus = dev->dev->bus; - u8 sprom[4]; - int i; - enum b43legacy_led_behaviour behaviour; - bool activelow; - - sprom[0] = bus->sprom.gpio0; - sprom[1] = bus->sprom.gpio1; - sprom[2] = bus->sprom.gpio2; - sprom[3] = bus->sprom.gpio3; - - for (i = 0; i < 4; i++) { - if (sprom[i] == 0xFF) { - /* There is no LED information in the SPROM - * for this LED. Hardcode it here. */ - activelow = false; - switch (i) { - case 0: - behaviour = B43legacy_LED_ACTIVITY; - activelow = true; - if (bus->boardinfo.vendor == PCI_VENDOR_ID_COMPAQ) - behaviour = B43legacy_LED_RADIO_ALL; - break; - case 1: - behaviour = B43legacy_LED_RADIO_B; - if (bus->boardinfo.vendor == PCI_VENDOR_ID_ASUSTEK) - behaviour = B43legacy_LED_ASSOC; - break; - case 2: - behaviour = B43legacy_LED_RADIO_A; - break; - case 3: - behaviour = B43legacy_LED_OFF; - break; - default: - B43legacy_WARN_ON(1); - return; - } - } else { - behaviour = sprom[i] & B43legacy_LED_BEHAVIOUR; - activelow = !!(sprom[i] & B43legacy_LED_ACTIVELOW); - } - b43legacy_map_led(dev, i, behaviour, activelow); - } -} - -void b43legacy_leds_exit(struct b43legacy_wldev *dev) -{ - b43legacy_unregister_led(&dev->led_tx); - b43legacy_unregister_led(&dev->led_rx); - b43legacy_unregister_led(&dev->led_assoc); - b43legacy_unregister_led(&dev->led_radio); -} diff --git a/drivers/net/wireless/b43legacy/leds.h b/drivers/net/wireless/b43legacy/leds.h deleted file mode 100644 index 9ff6750dc..000000000 --- a/drivers/net/wireless/b43legacy/leds.h +++ /dev/null @@ -1,63 +0,0 @@ -#ifndef B43legacy_LEDS_H_ -#define B43legacy_LEDS_H_ - -struct b43legacy_wldev; - -#ifdef CONFIG_B43LEGACY_LEDS - -#include <linux/types.h> -#include <linux/leds.h> - - -#define B43legacy_LED_MAX_NAME_LEN 31 - -struct b43legacy_led { - struct b43legacy_wldev *dev; - /* The LED class device */ - struct led_classdev led_dev; - /* The index number of the LED. */ - u8 index; - /* If activelow is true, the LED is ON if the - * bit is switched off. */ - bool activelow; - /* The unique name string for this LED device. */ - char name[B43legacy_LED_MAX_NAME_LEN + 1]; -}; - -#define B43legacy_LED_BEHAVIOUR 0x7F -#define B43legacy_LED_ACTIVELOW 0x80 -/* LED behaviour values */ -enum b43legacy_led_behaviour { - B43legacy_LED_OFF, - B43legacy_LED_ON, - B43legacy_LED_ACTIVITY, - B43legacy_LED_RADIO_ALL, - B43legacy_LED_RADIO_A, - B43legacy_LED_RADIO_B, - B43legacy_LED_MODE_BG, - B43legacy_LED_TRANSFER, - B43legacy_LED_APTRANSFER, - B43legacy_LED_WEIRD, - B43legacy_LED_ASSOC, - B43legacy_LED_INACTIVE, -}; - -void b43legacy_leds_init(struct b43legacy_wldev *dev); -void b43legacy_leds_exit(struct b43legacy_wldev *dev); - -#else /* CONFIG_B43LEGACY_LEDS */ -/* LED support disabled */ - -struct b43legacy_led { - /* empty */ -}; - -static inline void b43legacy_leds_init(struct b43legacy_wldev *dev) -{ -} -static inline void b43legacy_leds_exit(struct b43legacy_wldev *dev) -{ -} -#endif /* CONFIG_B43LEGACY_LEDS */ - -#endif /* B43legacy_LEDS_H_ */ diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c deleted file mode 100644 index 8491b6f4d..000000000 --- a/drivers/net/wireless/b43legacy/main.c +++ /dev/null @@ -1,4059 +0,0 @@ -/* - * - * Broadcom B43legacy wireless driver - * - * Copyright (c) 2005 Martin Langer <martin-langer@gmx.de> - * Copyright (c) 2005-2008 Stefano Brivio <stefano.brivio@polimi.it> - * Copyright (c) 2005, 2006 Michael Buesch <m@bues.ch> - * Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org> - * Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch> - * Copyright (c) 2007 Larry Finger <Larry.Finger@lwfinger.net> - * - * Some parts of the code in this file are derived from the ipw2200 - * driver Copyright(c) 2003 - 2004 Intel Corporation. - - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; see the file COPYING. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - * Boston, MA 02110-1301, USA. - * - */ - -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/if_arp.h> -#include <linux/etherdevice.h> -#include <linux/firmware.h> -#include <linux/workqueue.h> -#include <linux/sched.h> -#include <linux/skbuff.h> -#include <linux/dma-mapping.h> -#include <linux/slab.h> -#include <net/dst.h> -#include <asm/unaligned.h> - -#include "b43legacy.h" -#include "main.h" -#include "debugfs.h" -#include "phy.h" -#include "dma.h" -#include "pio.h" -#include "sysfs.h" -#include "xmit.h" -#include "radio.h" - - -MODULE_DESCRIPTION("Broadcom B43legacy wireless driver"); -MODULE_AUTHOR("Martin Langer"); -MODULE_AUTHOR("Stefano Brivio"); -MODULE_AUTHOR("Michael Buesch"); -MODULE_LICENSE("GPL"); - -/*(DEBLOBBED)*/ - -#if defined(CONFIG_B43LEGACY_DMA) && defined(CONFIG_B43LEGACY_PIO) -static int modparam_pio; -module_param_named(pio, modparam_pio, int, 0444); -MODULE_PARM_DESC(pio, "enable(1) / disable(0) PIO mode"); -#elif defined(CONFIG_B43LEGACY_DMA) -# define modparam_pio 0 -#elif defined(CONFIG_B43LEGACY_PIO) -# define modparam_pio 1 -#endif - -static int modparam_bad_frames_preempt; -module_param_named(bad_frames_preempt, modparam_bad_frames_preempt, int, 0444); -MODULE_PARM_DESC(bad_frames_preempt, "enable(1) / disable(0) Bad Frames" - " Preemption"); - -static char modparam_fwpostfix[16]; -module_param_string(fwpostfix, modparam_fwpostfix, 16, 0444); -MODULE_PARM_DESC(fwpostfix, "Postfix for the firmware files to load."); - -/* The following table supports BCM4301, BCM4303 and BCM4306/2 devices. */ -static const struct ssb_device_id b43legacy_ssb_tbl[] = { - SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 2), - SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 4), - {}, -}; -MODULE_DEVICE_TABLE(ssb, b43legacy_ssb_tbl); - - -/* Channel and ratetables are shared for all devices. - * They can't be const, because ieee80211 puts some precalculated - * data in there. This data is the same for all devices, so we don't - * get concurrency issues */ -#define RATETAB_ENT(_rateid, _flags) \ - { \ - .bitrate = B43legacy_RATE_TO_100KBPS(_rateid), \ - .hw_value = (_rateid), \ - .flags = (_flags), \ - } -/* - * NOTE: When changing this, sync with xmit.c's - * b43legacy_plcp_get_bitrate_idx_* functions! - */ -static struct ieee80211_rate __b43legacy_ratetable[] = { - RATETAB_ENT(B43legacy_CCK_RATE_1MB, 0), - RATETAB_ENT(B43legacy_CCK_RATE_2MB, IEEE80211_RATE_SHORT_PREAMBLE), - RATETAB_ENT(B43legacy_CCK_RATE_5MB, IEEE80211_RATE_SHORT_PREAMBLE), - RATETAB_ENT(B43legacy_CCK_RATE_11MB, IEEE80211_RATE_SHORT_PREAMBLE), - RATETAB_ENT(B43legacy_OFDM_RATE_6MB, 0), - RATETAB_ENT(B43legacy_OFDM_RATE_9MB, 0), - RATETAB_ENT(B43legacy_OFDM_RATE_12MB, 0), - RATETAB_ENT(B43legacy_OFDM_RATE_18MB, 0), - RATETAB_ENT(B43legacy_OFDM_RATE_24MB, 0), - RATETAB_ENT(B43legacy_OFDM_RATE_36MB, 0), - RATETAB_ENT(B43legacy_OFDM_RATE_48MB, 0), - RATETAB_ENT(B43legacy_OFDM_RATE_54MB, 0), -}; -#define b43legacy_b_ratetable (__b43legacy_ratetable + 0) -#define b43legacy_b_ratetable_size 4 -#define b43legacy_g_ratetable (__b43legacy_ratetable + 0) -#define b43legacy_g_ratetable_size 12 - -#define CHANTAB_ENT(_chanid, _freq) \ - { \ - .center_freq = (_freq), \ - .hw_value = (_chanid), \ - } -static struct ieee80211_channel b43legacy_bg_chantable[] = { - CHANTAB_ENT(1, 2412), - CHANTAB_ENT(2, 2417), - CHANTAB_ENT(3, 2422), - CHANTAB_ENT(4, 2427), - CHANTAB_ENT(5, 2432), - CHANTAB_ENT(6, 2437), - CHANTAB_ENT(7, 2442), - CHANTAB_ENT(8, 2447), - CHANTAB_ENT(9, 2452), - CHANTAB_ENT(10, 2457), - CHANTAB_ENT(11, 2462), - CHANTAB_ENT(12, 2467), - CHANTAB_ENT(13, 2472), - CHANTAB_ENT(14, 2484), -}; - -static struct ieee80211_supported_band b43legacy_band_2GHz_BPHY = { - .channels = b43legacy_bg_chantable, - .n_channels = ARRAY_SIZE(b43legacy_bg_chantable), - .bitrates = b43legacy_b_ratetable, - .n_bitrates = b43legacy_b_ratetable_size, -}; - -static struct ieee80211_supported_band b43legacy_band_2GHz_GPHY = { - .channels = b43legacy_bg_chantable, - .n_channels = ARRAY_SIZE(b43legacy_bg_chantable), - .bitrates = b43legacy_g_ratetable, - .n_bitrates = b43legacy_g_ratetable_size, -}; - -static void b43legacy_wireless_core_exit(struct b43legacy_wldev *dev); -static int b43legacy_wireless_core_init(struct b43legacy_wldev *dev); -static void b43legacy_wireless_core_stop(struct b43legacy_wldev *dev); -static int b43legacy_wireless_core_start(struct b43legacy_wldev *dev); - - -static int b43legacy_ratelimit(struct b43legacy_wl *wl) -{ - if (!wl || !wl->current_dev) - return 1; - if (b43legacy_status(wl->current_dev) < B43legacy_STAT_STARTED) - return 1; - /* We are up and running. - * Ratelimit the messages to avoid DoS over the net. */ - return net_ratelimit(); -} - -void b43legacyinfo(struct b43legacy_wl *wl, const char *fmt, ...) -{ - struct va_format vaf; - va_list args; - - if (!b43legacy_ratelimit(wl)) - return; - - va_start(args, fmt); - - vaf.fmt = fmt; - vaf.va = &args; - - printk(KERN_INFO "b43legacy-%s: %pV", - (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan", &vaf); - - va_end(args); -} - -void b43legacyerr(struct b43legacy_wl *wl, const char *fmt, ...) -{ - struct va_format vaf; - va_list args; - - if (!b43legacy_ratelimit(wl)) - return; - - va_start(args, fmt); - - vaf.fmt = fmt; - vaf.va = &args; - - printk(KERN_ERR "b43legacy-%s ERROR: %pV", - (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan", &vaf); - - va_end(args); -} - -void b43legacywarn(struct b43legacy_wl *wl, const char *fmt, ...) -{ - struct va_format vaf; - va_list args; - - if (!b43legacy_ratelimit(wl)) - return; - - va_start(args, fmt); - - vaf.fmt = fmt; - vaf.va = &args; - - printk(KERN_WARNING "b43legacy-%s warning: %pV", - (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan", &vaf); - - va_end(args); -} - -#if B43legacy_DEBUG -void b43legacydbg(struct b43legacy_wl *wl, const char *fmt, ...) -{ - struct va_format vaf; - va_list args; - - va_start(args, fmt); - - vaf.fmt = fmt; - vaf.va = &args; - - printk(KERN_DEBUG "b43legacy-%s debug: %pV", - (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan", &vaf); - - va_end(args); -} -#endif /* DEBUG */ - -static void b43legacy_ram_write(struct b43legacy_wldev *dev, u16 offset, - u32 val) -{ - u32 status; - - B43legacy_WARN_ON(offset % 4 != 0); - - status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); - if (status & B43legacy_MACCTL_BE) - val = swab32(val); - - b43legacy_write32(dev, B43legacy_MMIO_RAM_CONTROL, offset); - mmiowb(); - b43legacy_write32(dev, B43legacy_MMIO_RAM_DATA, val); -} - -static inline -void b43legacy_shm_control_word(struct b43legacy_wldev *dev, - u16 routing, u16 offset) -{ - u32 control; - - /* "offset" is the WORD offset. */ - - control = routing; - control <<= 16; - control |= offset; - b43legacy_write32(dev, B43legacy_MMIO_SHM_CONTROL, control); -} - -u32 b43legacy_shm_read32(struct b43legacy_wldev *dev, - u16 routing, u16 offset) -{ - u32 ret; - - if (routing == B43legacy_SHM_SHARED) { - B43legacy_WARN_ON((offset & 0x0001) != 0); - if (offset & 0x0003) { - /* Unaligned access */ - b43legacy_shm_control_word(dev, routing, offset >> 2); - ret = b43legacy_read16(dev, - B43legacy_MMIO_SHM_DATA_UNALIGNED); - ret <<= 16; - b43legacy_shm_control_word(dev, routing, - (offset >> 2) + 1); - ret |= b43legacy_read16(dev, B43legacy_MMIO_SHM_DATA); - - return ret; - } - offset >>= 2; - } - b43legacy_shm_control_word(dev, routing, offset); - ret = b43legacy_read32(dev, B43legacy_MMIO_SHM_DATA); - - return ret; -} - -u16 b43legacy_shm_read16(struct b43legacy_wldev *dev, - u16 routing, u16 offset) -{ - u16 ret; - - if (routing == B43legacy_SHM_SHARED) { - B43legacy_WARN_ON((offset & 0x0001) != 0); - if (offset & 0x0003) { - /* Unaligned access */ - b43legacy_shm_control_word(dev, routing, offset >> 2); - ret = b43legacy_read16(dev, - B43legacy_MMIO_SHM_DATA_UNALIGNED); - - return ret; - } - offset >>= 2; - } - b43legacy_shm_control_word(dev, routing, offset); - ret = b43legacy_read16(dev, B43legacy_MMIO_SHM_DATA); - - return ret; -} - -void b43legacy_shm_write32(struct b43legacy_wldev *dev, - u16 routing, u16 offset, - u32 value) -{ - if (routing == B43legacy_SHM_SHARED) { - B43legacy_WARN_ON((offset & 0x0001) != 0); - if (offset & 0x0003) { - /* Unaligned access */ - b43legacy_shm_control_word(dev, routing, offset >> 2); - mmiowb(); - b43legacy_write16(dev, - B43legacy_MMIO_SHM_DATA_UNALIGNED, - (value >> 16) & 0xffff); - mmiowb(); - b43legacy_shm_control_word(dev, routing, - (offset >> 2) + 1); - mmiowb(); - b43legacy_write16(dev, B43legacy_MMIO_SHM_DATA, - value & 0xffff); - return; - } - offset >>= 2; - } - b43legacy_shm_control_word(dev, routing, offset); - mmiowb(); - b43legacy_write32(dev, B43legacy_MMIO_SHM_DATA, value); -} - -void b43legacy_shm_write16(struct b43legacy_wldev *dev, u16 routing, u16 offset, - u16 value) -{ - if (routing == B43legacy_SHM_SHARED) { - B43legacy_WARN_ON((offset & 0x0001) != 0); - if (offset & 0x0003) { - /* Unaligned access */ - b43legacy_shm_control_word(dev, routing, offset >> 2); - mmiowb(); - b43legacy_write16(dev, - B43legacy_MMIO_SHM_DATA_UNALIGNED, - value); - return; - } - offset >>= 2; - } - b43legacy_shm_control_word(dev, routing, offset); - mmiowb(); - b43legacy_write16(dev, B43legacy_MMIO_SHM_DATA, value); -} - -/* Read HostFlags */ -u32 b43legacy_hf_read(struct b43legacy_wldev *dev) -{ - u32 ret; - - ret = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, - B43legacy_SHM_SH_HOSTFHI); - ret <<= 16; - ret |= b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, - B43legacy_SHM_SH_HOSTFLO); - - return ret; -} - -/* Write HostFlags */ -void b43legacy_hf_write(struct b43legacy_wldev *dev, u32 value) -{ - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, - B43legacy_SHM_SH_HOSTFLO, - (value & 0x0000FFFF)); - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, - B43legacy_SHM_SH_HOSTFHI, - ((value & 0xFFFF0000) >> 16)); -} - -void b43legacy_tsf_read(struct b43legacy_wldev *dev, u64 *tsf) -{ - /* We need to be careful. As we read the TSF from multiple - * registers, we should take care of register overflows. - * In theory, the whole tsf read process should be atomic. - * We try to be atomic here, by restaring the read process, - * if any of the high registers changed (overflew). - */ - if (dev->dev->id.revision >= 3) { - u32 low; - u32 high; - u32 high2; - - do { - high = b43legacy_read32(dev, - B43legacy_MMIO_REV3PLUS_TSF_HIGH); - low = b43legacy_read32(dev, - B43legacy_MMIO_REV3PLUS_TSF_LOW); - high2 = b43legacy_read32(dev, - B43legacy_MMIO_REV3PLUS_TSF_HIGH); - } while (unlikely(high != high2)); - - *tsf = high; - *tsf <<= 32; - *tsf |= low; - } else { - u64 tmp; - u16 v0; - u16 v1; - u16 v2; - u16 v3; - u16 test1; - u16 test2; - u16 test3; - - do { - v3 = b43legacy_read16(dev, B43legacy_MMIO_TSF_3); - v2 = b43legacy_read16(dev, B43legacy_MMIO_TSF_2); - v1 = b43legacy_read16(dev, B43legacy_MMIO_TSF_1); - v0 = b43legacy_read16(dev, B43legacy_MMIO_TSF_0); - - test3 = b43legacy_read16(dev, B43legacy_MMIO_TSF_3); - test2 = b43legacy_read16(dev, B43legacy_MMIO_TSF_2); - test1 = b43legacy_read16(dev, B43legacy_MMIO_TSF_1); - } while (v3 != test3 || v2 != test2 || v1 != test1); - - *tsf = v3; - *tsf <<= 48; - tmp = v2; - tmp <<= 32; - *tsf |= tmp; - tmp = v1; - tmp <<= 16; - *tsf |= tmp; - *tsf |= v0; - } -} - -static void b43legacy_time_lock(struct b43legacy_wldev *dev) -{ - u32 status; - - status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); - status |= B43legacy_MACCTL_TBTTHOLD; - b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status); - mmiowb(); -} - -static void b43legacy_time_unlock(struct b43legacy_wldev *dev) -{ - u32 status; - - status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); - status &= ~B43legacy_MACCTL_TBTTHOLD; - b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status); -} - -static void b43legacy_tsf_write_locked(struct b43legacy_wldev *dev, u64 tsf) -{ - /* Be careful with the in-progress timer. - * First zero out the low register, so we have a full - * register-overflow duration to complete the operation. - */ - if (dev->dev->id.revision >= 3) { - u32 lo = (tsf & 0x00000000FFFFFFFFULL); - u32 hi = (tsf & 0xFFFFFFFF00000000ULL) >> 32; - - b43legacy_write32(dev, B43legacy_MMIO_REV3PLUS_TSF_LOW, 0); - mmiowb(); - b43legacy_write32(dev, B43legacy_MMIO_REV3PLUS_TSF_HIGH, - hi); - mmiowb(); - b43legacy_write32(dev, B43legacy_MMIO_REV3PLUS_TSF_LOW, - lo); - } else { - u16 v0 = (tsf & 0x000000000000FFFFULL); - u16 v1 = (tsf & 0x00000000FFFF0000ULL) >> 16; - u16 v2 = (tsf & 0x0000FFFF00000000ULL) >> 32; - u16 v3 = (tsf & 0xFFFF000000000000ULL) >> 48; - - b43legacy_write16(dev, B43legacy_MMIO_TSF_0, 0); - mmiowb(); - b43legacy_write16(dev, B43legacy_MMIO_TSF_3, v3); - mmiowb(); - b43legacy_write16(dev, B43legacy_MMIO_TSF_2, v2); - mmiowb(); - b43legacy_write16(dev, B43legacy_MMIO_TSF_1, v1); - mmiowb(); - b43legacy_write16(dev, B43legacy_MMIO_TSF_0, v0); - } -} - -void b43legacy_tsf_write(struct b43legacy_wldev *dev, u64 tsf) -{ - b43legacy_time_lock(dev); - b43legacy_tsf_write_locked(dev, tsf); - b43legacy_time_unlock(dev); -} - -static -void b43legacy_macfilter_set(struct b43legacy_wldev *dev, - u16 offset, const u8 *mac) -{ - static const u8 zero_addr[ETH_ALEN] = { 0 }; - u16 data; - - if (!mac) - mac = zero_addr; - - offset |= 0x0020; - b43legacy_write16(dev, B43legacy_MMIO_MACFILTER_CONTROL, offset); - - data = mac[0]; - data |= mac[1] << 8; - b43legacy_write16(dev, B43legacy_MMIO_MACFILTER_DATA, data); - data = mac[2]; - data |= mac[3] << 8; - b43legacy_write16(dev, B43legacy_MMIO_MACFILTER_DATA, data); - data = mac[4]; - data |= mac[5] << 8; - b43legacy_write16(dev, B43legacy_MMIO_MACFILTER_DATA, data); -} - -static void b43legacy_write_mac_bssid_templates(struct b43legacy_wldev *dev) -{ - static const u8 zero_addr[ETH_ALEN] = { 0 }; - const u8 *mac = dev->wl->mac_addr; - const u8 *bssid = dev->wl->bssid; - u8 mac_bssid[ETH_ALEN * 2]; - int i; - u32 tmp; - - if (!bssid) - bssid = zero_addr; - if (!mac) - mac = zero_addr; - - b43legacy_macfilter_set(dev, B43legacy_MACFILTER_BSSID, bssid); - - memcpy(mac_bssid, mac, ETH_ALEN); - memcpy(mac_bssid + ETH_ALEN, bssid, ETH_ALEN); - - /* Write our MAC address and BSSID to template ram */ - for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32)) { - tmp = (u32)(mac_bssid[i + 0]); - tmp |= (u32)(mac_bssid[i + 1]) << 8; - tmp |= (u32)(mac_bssid[i + 2]) << 16; - tmp |= (u32)(mac_bssid[i + 3]) << 24; - b43legacy_ram_write(dev, 0x20 + i, tmp); - b43legacy_ram_write(dev, 0x78 + i, tmp); - b43legacy_ram_write(dev, 0x478 + i, tmp); - } -} - -static void b43legacy_upload_card_macaddress(struct b43legacy_wldev *dev) -{ - b43legacy_write_mac_bssid_templates(dev); - b43legacy_macfilter_set(dev, B43legacy_MACFILTER_SELF, - dev->wl->mac_addr); -} - -static void b43legacy_set_slot_time(struct b43legacy_wldev *dev, - u16 slot_time) -{ - /* slot_time is in usec. */ - if (dev->phy.type != B43legacy_PHYTYPE_G) - return; - b43legacy_write16(dev, 0x684, 510 + slot_time); - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x0010, - slot_time); -} - -static void b43legacy_short_slot_timing_enable(struct b43legacy_wldev *dev) -{ - b43legacy_set_slot_time(dev, 9); -} - -static void b43legacy_short_slot_timing_disable(struct b43legacy_wldev *dev) -{ - b43legacy_set_slot_time(dev, 20); -} - -/* Synchronize IRQ top- and bottom-half. - * IRQs must be masked before calling this. - * This must not be called with the irq_lock held. - */ -static void b43legacy_synchronize_irq(struct b43legacy_wldev *dev) -{ - synchronize_irq(dev->dev->irq); - tasklet_kill(&dev->isr_tasklet); -} - -/* DummyTransmission function, as documented on - * http://bcm-specs.sipsolutions.net/DummyTransmission - */ -void b43legacy_dummy_transmission(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - unsigned int i; - unsigned int max_loop; - u16 value; - u32 buffer[5] = { - 0x00000000, - 0x00D40000, - 0x00000000, - 0x01000000, - 0x00000000, - }; - - switch (phy->type) { - case B43legacy_PHYTYPE_B: - case B43legacy_PHYTYPE_G: - max_loop = 0xFA; - buffer[0] = 0x000B846E; - break; - default: - B43legacy_BUG_ON(1); - return; - } - - for (i = 0; i < 5; i++) - b43legacy_ram_write(dev, i * 4, buffer[i]); - - /* dummy read follows */ - b43legacy_read32(dev, B43legacy_MMIO_MACCTL); - - b43legacy_write16(dev, 0x0568, 0x0000); - b43legacy_write16(dev, 0x07C0, 0x0000); - b43legacy_write16(dev, 0x050C, 0x0000); - b43legacy_write16(dev, 0x0508, 0x0000); - b43legacy_write16(dev, 0x050A, 0x0000); - b43legacy_write16(dev, 0x054C, 0x0000); - b43legacy_write16(dev, 0x056A, 0x0014); - b43legacy_write16(dev, 0x0568, 0x0826); - b43legacy_write16(dev, 0x0500, 0x0000); - b43legacy_write16(dev, 0x0502, 0x0030); - - if (phy->radio_ver == 0x2050 && phy->radio_rev <= 0x5) - b43legacy_radio_write16(dev, 0x0051, 0x0017); - for (i = 0x00; i < max_loop; i++) { - value = b43legacy_read16(dev, 0x050E); - if (value & 0x0080) - break; - udelay(10); - } - for (i = 0x00; i < 0x0A; i++) { - value = b43legacy_read16(dev, 0x050E); - if (value & 0x0400) - break; - udelay(10); - } - for (i = 0x00; i < 0x0A; i++) { - value = b43legacy_read16(dev, 0x0690); - if (!(value & 0x0100)) - break; - udelay(10); - } - if (phy->radio_ver == 0x2050 && phy->radio_rev <= 0x5) - b43legacy_radio_write16(dev, 0x0051, 0x0037); -} - -/* Turn the Analog ON/OFF */ -static void b43legacy_switch_analog(struct b43legacy_wldev *dev, int on) -{ - b43legacy_write16(dev, B43legacy_MMIO_PHY0, on ? 0 : 0xF4); -} - -void b43legacy_wireless_core_reset(struct b43legacy_wldev *dev, u32 flags) -{ - u32 tmslow; - u32 macctl; - - flags |= B43legacy_TMSLOW_PHYCLKEN; - flags |= B43legacy_TMSLOW_PHYRESET; - ssb_device_enable(dev->dev, flags); - msleep(2); /* Wait for the PLL to turn on. */ - - /* Now take the PHY out of Reset again */ - tmslow = ssb_read32(dev->dev, SSB_TMSLOW); - tmslow |= SSB_TMSLOW_FGC; - tmslow &= ~B43legacy_TMSLOW_PHYRESET; - ssb_write32(dev->dev, SSB_TMSLOW, tmslow); - ssb_read32(dev->dev, SSB_TMSLOW); /* flush */ - msleep(1); - tmslow &= ~SSB_TMSLOW_FGC; - ssb_write32(dev->dev, SSB_TMSLOW, tmslow); - ssb_read32(dev->dev, SSB_TMSLOW); /* flush */ - msleep(1); - - /* Turn Analog ON */ - b43legacy_switch_analog(dev, 1); - - macctl = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); - macctl &= ~B43legacy_MACCTL_GMODE; - if (flags & B43legacy_TMSLOW_GMODE) { - macctl |= B43legacy_MACCTL_GMODE; - dev->phy.gmode = true; - } else - dev->phy.gmode = false; - macctl |= B43legacy_MACCTL_IHR_ENABLED; - b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl); -} - -static void handle_irq_transmit_status(struct b43legacy_wldev *dev) -{ - u32 v0; - u32 v1; - u16 tmp; - struct b43legacy_txstatus stat; - - while (1) { - v0 = b43legacy_read32(dev, B43legacy_MMIO_XMITSTAT_0); - if (!(v0 & 0x00000001)) - break; - v1 = b43legacy_read32(dev, B43legacy_MMIO_XMITSTAT_1); - - stat.cookie = (v0 >> 16); - stat.seq = (v1 & 0x0000FFFF); - stat.phy_stat = ((v1 & 0x00FF0000) >> 16); - tmp = (v0 & 0x0000FFFF); - stat.frame_count = ((tmp & 0xF000) >> 12); - stat.rts_count = ((tmp & 0x0F00) >> 8); - stat.supp_reason = ((tmp & 0x001C) >> 2); - stat.pm_indicated = !!(tmp & 0x0080); - stat.intermediate = !!(tmp & 0x0040); - stat.for_ampdu = !!(tmp & 0x0020); - stat.acked = !!(tmp & 0x0002); - - b43legacy_handle_txstatus(dev, &stat); - } -} - -static void drain_txstatus_queue(struct b43legacy_wldev *dev) -{ - u32 dummy; - - if (dev->dev->id.revision < 5) - return; - /* Read all entries from the microcode TXstatus FIFO - * and throw them away. - */ - while (1) { - dummy = b43legacy_read32(dev, B43legacy_MMIO_XMITSTAT_0); - if (!(dummy & 0x00000001)) - break; - dummy = b43legacy_read32(dev, B43legacy_MMIO_XMITSTAT_1); - } -} - -static u32 b43legacy_jssi_read(struct b43legacy_wldev *dev) -{ - u32 val = 0; - - val = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, 0x40A); - val <<= 16; - val |= b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, 0x408); - - return val; -} - -static void b43legacy_jssi_write(struct b43legacy_wldev *dev, u32 jssi) -{ - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x408, - (jssi & 0x0000FFFF)); - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x40A, - (jssi & 0xFFFF0000) >> 16); -} - -static void b43legacy_generate_noise_sample(struct b43legacy_wldev *dev) -{ - b43legacy_jssi_write(dev, 0x7F7F7F7F); - b43legacy_write32(dev, B43legacy_MMIO_MACCMD, - b43legacy_read32(dev, B43legacy_MMIO_MACCMD) - | B43legacy_MACCMD_BGNOISE); - B43legacy_WARN_ON(dev->noisecalc.channel_at_start != - dev->phy.channel); -} - -static void b43legacy_calculate_link_quality(struct b43legacy_wldev *dev) -{ - /* Top half of Link Quality calculation. */ - - if (dev->noisecalc.calculation_running) - return; - dev->noisecalc.channel_at_start = dev->phy.channel; - dev->noisecalc.calculation_running = true; - dev->noisecalc.nr_samples = 0; - - b43legacy_generate_noise_sample(dev); -} - -static void handle_irq_noise(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 tmp; - u8 noise[4]; - u8 i; - u8 j; - s32 average; - - /* Bottom half of Link Quality calculation. */ - - B43legacy_WARN_ON(!dev->noisecalc.calculation_running); - if (dev->noisecalc.channel_at_start != phy->channel) - goto drop_calculation; - *((__le32 *)noise) = cpu_to_le32(b43legacy_jssi_read(dev)); - if (noise[0] == 0x7F || noise[1] == 0x7F || - noise[2] == 0x7F || noise[3] == 0x7F) - goto generate_new; - - /* Get the noise samples. */ - B43legacy_WARN_ON(dev->noisecalc.nr_samples >= 8); - i = dev->noisecalc.nr_samples; - noise[0] = clamp_val(noise[0], 0, ARRAY_SIZE(phy->nrssi_lt) - 1); - noise[1] = clamp_val(noise[1], 0, ARRAY_SIZE(phy->nrssi_lt) - 1); - noise[2] = clamp_val(noise[2], 0, ARRAY_SIZE(phy->nrssi_lt) - 1); - noise[3] = clamp_val(noise[3], 0, ARRAY_SIZE(phy->nrssi_lt) - 1); - dev->noisecalc.samples[i][0] = phy->nrssi_lt[noise[0]]; - dev->noisecalc.samples[i][1] = phy->nrssi_lt[noise[1]]; - dev->noisecalc.samples[i][2] = phy->nrssi_lt[noise[2]]; - dev->noisecalc.samples[i][3] = phy->nrssi_lt[noise[3]]; - dev->noisecalc.nr_samples++; - if (dev->noisecalc.nr_samples == 8) { - /* Calculate the Link Quality by the noise samples. */ - average = 0; - for (i = 0; i < 8; i++) { - for (j = 0; j < 4; j++) - average += dev->noisecalc.samples[i][j]; - } - average /= (8 * 4); - average *= 125; - average += 64; - average /= 128; - tmp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, - 0x40C); - tmp = (tmp / 128) & 0x1F; - if (tmp >= 8) - average += 2; - else - average -= 25; - if (tmp == 8) - average -= 72; - else - average -= 48; - - dev->stats.link_noise = average; -drop_calculation: - dev->noisecalc.calculation_running = false; - return; - } -generate_new: - b43legacy_generate_noise_sample(dev); -} - -static void handle_irq_tbtt_indication(struct b43legacy_wldev *dev) -{ - if (b43legacy_is_mode(dev->wl, NL80211_IFTYPE_AP)) { - /* TODO: PS TBTT */ - } else { - if (1/*FIXME: the last PSpoll frame was sent successfully */) - b43legacy_power_saving_ctl_bits(dev, -1, -1); - } - if (b43legacy_is_mode(dev->wl, NL80211_IFTYPE_ADHOC)) - dev->dfq_valid = true; -} - -static void handle_irq_atim_end(struct b43legacy_wldev *dev) -{ - if (dev->dfq_valid) { - b43legacy_write32(dev, B43legacy_MMIO_MACCMD, - b43legacy_read32(dev, B43legacy_MMIO_MACCMD) - | B43legacy_MACCMD_DFQ_VALID); - dev->dfq_valid = false; - } -} - -static void handle_irq_pmq(struct b43legacy_wldev *dev) -{ - u32 tmp; - - /* TODO: AP mode. */ - - while (1) { - tmp = b43legacy_read32(dev, B43legacy_MMIO_PS_STATUS); - if (!(tmp & 0x00000008)) - break; - } - /* 16bit write is odd, but correct. */ - b43legacy_write16(dev, B43legacy_MMIO_PS_STATUS, 0x0002); -} - -static void b43legacy_write_template_common(struct b43legacy_wldev *dev, - const u8 *data, u16 size, - u16 ram_offset, - u16 shm_size_offset, u8 rate) -{ - u32 i; - u32 tmp; - struct b43legacy_plcp_hdr4 plcp; - - plcp.data = 0; - b43legacy_generate_plcp_hdr(&plcp, size + FCS_LEN, rate); - b43legacy_ram_write(dev, ram_offset, le32_to_cpu(plcp.data)); - ram_offset += sizeof(u32); - /* The PLCP is 6 bytes long, but we only wrote 4 bytes, yet. - * So leave the first two bytes of the next write blank. - */ - tmp = (u32)(data[0]) << 16; - tmp |= (u32)(data[1]) << 24; - b43legacy_ram_write(dev, ram_offset, tmp); - ram_offset += sizeof(u32); - for (i = 2; i < size; i += sizeof(u32)) { - tmp = (u32)(data[i + 0]); - if (i + 1 < size) - tmp |= (u32)(data[i + 1]) << 8; - if (i + 2 < size) - tmp |= (u32)(data[i + 2]) << 16; - if (i + 3 < size) - tmp |= (u32)(data[i + 3]) << 24; - b43legacy_ram_write(dev, ram_offset + i - 2, tmp); - } - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, shm_size_offset, - size + sizeof(struct b43legacy_plcp_hdr6)); -} - -/* Convert a b43legacy antenna number value to the PHY TX control value. */ -static u16 b43legacy_antenna_to_phyctl(int antenna) -{ - switch (antenna) { - case B43legacy_ANTENNA0: - return B43legacy_TX4_PHY_ANT0; - case B43legacy_ANTENNA1: - return B43legacy_TX4_PHY_ANT1; - } - return B43legacy_TX4_PHY_ANTLAST; -} - -static void b43legacy_write_beacon_template(struct b43legacy_wldev *dev, - u16 ram_offset, - u16 shm_size_offset) -{ - - unsigned int i, len, variable_len; - const struct ieee80211_mgmt *bcn; - const u8 *ie; - bool tim_found = false; - unsigned int rate; - u16 ctl; - int antenna; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(dev->wl->current_beacon); - - bcn = (const struct ieee80211_mgmt *)(dev->wl->current_beacon->data); - len = min_t(size_t, dev->wl->current_beacon->len, - 0x200 - sizeof(struct b43legacy_plcp_hdr6)); - rate = ieee80211_get_tx_rate(dev->wl->hw, info)->hw_value; - - b43legacy_write_template_common(dev, (const u8 *)bcn, len, ram_offset, - shm_size_offset, rate); - - /* Write the PHY TX control parameters. */ - antenna = B43legacy_ANTENNA_DEFAULT; - antenna = b43legacy_antenna_to_phyctl(antenna); - ctl = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, - B43legacy_SHM_SH_BEACPHYCTL); - /* We can't send beacons with short preamble. Would get PHY errors. */ - ctl &= ~B43legacy_TX4_PHY_SHORTPRMBL; - ctl &= ~B43legacy_TX4_PHY_ANT; - ctl &= ~B43legacy_TX4_PHY_ENC; - ctl |= antenna; - ctl |= B43legacy_TX4_PHY_ENC_CCK; - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, - B43legacy_SHM_SH_BEACPHYCTL, ctl); - - /* Find the position of the TIM and the DTIM_period value - * and write them to SHM. */ - ie = bcn->u.beacon.variable; - variable_len = len - offsetof(struct ieee80211_mgmt, u.beacon.variable); - for (i = 0; i < variable_len - 2; ) { - uint8_t ie_id, ie_len; - - ie_id = ie[i]; - ie_len = ie[i + 1]; - if (ie_id == 5) { - u16 tim_position; - u16 dtim_period; - /* This is the TIM Information Element */ - - /* Check whether the ie_len is in the beacon data range. */ - if (variable_len < ie_len + 2 + i) - break; - /* A valid TIM is at least 4 bytes long. */ - if (ie_len < 4) - break; - tim_found = true; - - tim_position = sizeof(struct b43legacy_plcp_hdr6); - tim_position += offsetof(struct ieee80211_mgmt, - u.beacon.variable); - tim_position += i; - - dtim_period = ie[i + 3]; - - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, - B43legacy_SHM_SH_TIMPOS, tim_position); - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, - B43legacy_SHM_SH_DTIMP, dtim_period); - break; - } - i += ie_len + 2; - } - if (!tim_found) { - b43legacywarn(dev->wl, "Did not find a valid TIM IE in the " - "beacon template packet. AP or IBSS operation " - "may be broken.\n"); - } else - b43legacydbg(dev->wl, "Updated beacon template\n"); -} - -static void b43legacy_write_probe_resp_plcp(struct b43legacy_wldev *dev, - u16 shm_offset, u16 size, - struct ieee80211_rate *rate) -{ - struct b43legacy_plcp_hdr4 plcp; - u32 tmp; - __le16 dur; - - plcp.data = 0; - b43legacy_generate_plcp_hdr(&plcp, size + FCS_LEN, rate->hw_value); - dur = ieee80211_generic_frame_duration(dev->wl->hw, - dev->wl->vif, - IEEE80211_BAND_2GHZ, - size, - rate); - /* Write PLCP in two parts and timing for packet transfer */ - tmp = le32_to_cpu(plcp.data); - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, shm_offset, - tmp & 0xFFFF); - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, shm_offset + 2, - tmp >> 16); - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, shm_offset + 6, - le16_to_cpu(dur)); -} - -/* Instead of using custom probe response template, this function - * just patches custom beacon template by: - * 1) Changing packet type - * 2) Patching duration field - * 3) Stripping TIM - */ -static const u8 *b43legacy_generate_probe_resp(struct b43legacy_wldev *dev, - u16 *dest_size, - struct ieee80211_rate *rate) -{ - const u8 *src_data; - u8 *dest_data; - u16 src_size, elem_size, src_pos, dest_pos; - __le16 dur; - struct ieee80211_hdr *hdr; - size_t ie_start; - - src_size = dev->wl->current_beacon->len; - src_data = (const u8 *)dev->wl->current_beacon->data; - - /* Get the start offset of the variable IEs in the packet. */ - ie_start = offsetof(struct ieee80211_mgmt, u.probe_resp.variable); - B43legacy_WARN_ON(ie_start != offsetof(struct ieee80211_mgmt, - u.beacon.variable)); - - if (B43legacy_WARN_ON(src_size < ie_start)) - return NULL; - - dest_data = kmalloc(src_size, GFP_ATOMIC); - if (unlikely(!dest_data)) - return NULL; - - /* Copy the static data and all Information Elements, except the TIM. */ - memcpy(dest_data, src_data, ie_start); - src_pos = ie_start; - dest_pos = ie_start; - for ( ; src_pos < src_size - 2; src_pos += elem_size) { - elem_size = src_data[src_pos + 1] + 2; - if (src_data[src_pos] == 5) { - /* This is the TIM. */ - continue; - } - memcpy(dest_data + dest_pos, src_data + src_pos, elem_size); - dest_pos += elem_size; - } - *dest_size = dest_pos; - hdr = (struct ieee80211_hdr *)dest_data; - - /* Set the frame control. */ - hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | - IEEE80211_STYPE_PROBE_RESP); - dur = ieee80211_generic_frame_duration(dev->wl->hw, - dev->wl->vif, - IEEE80211_BAND_2GHZ, - *dest_size, - rate); - hdr->duration_id = dur; - - return dest_data; -} - -static void b43legacy_write_probe_resp_template(struct b43legacy_wldev *dev, - u16 ram_offset, - u16 shm_size_offset, - struct ieee80211_rate *rate) -{ - const u8 *probe_resp_data; - u16 size; - - size = dev->wl->current_beacon->len; - probe_resp_data = b43legacy_generate_probe_resp(dev, &size, rate); - if (unlikely(!probe_resp_data)) - return; - - /* Looks like PLCP headers plus packet timings are stored for - * all possible basic rates - */ - b43legacy_write_probe_resp_plcp(dev, 0x31A, size, - &b43legacy_b_ratetable[0]); - b43legacy_write_probe_resp_plcp(dev, 0x32C, size, - &b43legacy_b_ratetable[1]); - b43legacy_write_probe_resp_plcp(dev, 0x33E, size, - &b43legacy_b_ratetable[2]); - b43legacy_write_probe_resp_plcp(dev, 0x350, size, - &b43legacy_b_ratetable[3]); - - size = min_t(size_t, size, - 0x200 - sizeof(struct b43legacy_plcp_hdr6)); - b43legacy_write_template_common(dev, probe_resp_data, - size, ram_offset, - shm_size_offset, rate->hw_value); - kfree(probe_resp_data); -} - -static void b43legacy_upload_beacon0(struct b43legacy_wldev *dev) -{ - struct b43legacy_wl *wl = dev->wl; - - if (wl->beacon0_uploaded) - return; - b43legacy_write_beacon_template(dev, 0x68, 0x18); - /* FIXME: Probe resp upload doesn't really belong here, - * but we don't use that feature anyway. */ - b43legacy_write_probe_resp_template(dev, 0x268, 0x4A, - &__b43legacy_ratetable[3]); - wl->beacon0_uploaded = true; -} - -static void b43legacy_upload_beacon1(struct b43legacy_wldev *dev) -{ - struct b43legacy_wl *wl = dev->wl; - - if (wl->beacon1_uploaded) - return; - b43legacy_write_beacon_template(dev, 0x468, 0x1A); - wl->beacon1_uploaded = true; -} - -static void handle_irq_beacon(struct b43legacy_wldev *dev) -{ - struct b43legacy_wl *wl = dev->wl; - u32 cmd, beacon0_valid, beacon1_valid; - - if (!b43legacy_is_mode(wl, NL80211_IFTYPE_AP)) - return; - - /* This is the bottom half of the asynchronous beacon update. */ - - /* Ignore interrupt in the future. */ - dev->irq_mask &= ~B43legacy_IRQ_BEACON; - - cmd = b43legacy_read32(dev, B43legacy_MMIO_MACCMD); - beacon0_valid = (cmd & B43legacy_MACCMD_BEACON0_VALID); - beacon1_valid = (cmd & B43legacy_MACCMD_BEACON1_VALID); - - /* Schedule interrupt manually, if busy. */ - if (beacon0_valid && beacon1_valid) { - b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_REASON, B43legacy_IRQ_BEACON); - dev->irq_mask |= B43legacy_IRQ_BEACON; - return; - } - - if (unlikely(wl->beacon_templates_virgin)) { - /* We never uploaded a beacon before. - * Upload both templates now, but only mark one valid. */ - wl->beacon_templates_virgin = false; - b43legacy_upload_beacon0(dev); - b43legacy_upload_beacon1(dev); - cmd = b43legacy_read32(dev, B43legacy_MMIO_MACCMD); - cmd |= B43legacy_MACCMD_BEACON0_VALID; - b43legacy_write32(dev, B43legacy_MMIO_MACCMD, cmd); - } else { - if (!beacon0_valid) { - b43legacy_upload_beacon0(dev); - cmd = b43legacy_read32(dev, B43legacy_MMIO_MACCMD); - cmd |= B43legacy_MACCMD_BEACON0_VALID; - b43legacy_write32(dev, B43legacy_MMIO_MACCMD, cmd); - } else if (!beacon1_valid) { - b43legacy_upload_beacon1(dev); - cmd = b43legacy_read32(dev, B43legacy_MMIO_MACCMD); - cmd |= B43legacy_MACCMD_BEACON1_VALID; - b43legacy_write32(dev, B43legacy_MMIO_MACCMD, cmd); - } - } -} - -static void b43legacy_beacon_update_trigger_work(struct work_struct *work) -{ - struct b43legacy_wl *wl = container_of(work, struct b43legacy_wl, - beacon_update_trigger); - struct b43legacy_wldev *dev; - - mutex_lock(&wl->mutex); - dev = wl->current_dev; - if (likely(dev && (b43legacy_status(dev) >= B43legacy_STAT_INITIALIZED))) { - spin_lock_irq(&wl->irq_lock); - /* Update beacon right away or defer to IRQ. */ - handle_irq_beacon(dev); - /* The handler might have updated the IRQ mask. */ - b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, - dev->irq_mask); - mmiowb(); - spin_unlock_irq(&wl->irq_lock); - } - mutex_unlock(&wl->mutex); -} - -/* Asynchronously update the packet templates in template RAM. - * Locking: Requires wl->irq_lock to be locked. */ -static void b43legacy_update_templates(struct b43legacy_wl *wl) -{ - struct sk_buff *beacon; - /* This is the top half of the ansynchronous beacon update. The bottom - * half is the beacon IRQ. Beacon update must be asynchronous to avoid - * sending an invalid beacon. This can happen for example, if the - * firmware transmits a beacon while we are updating it. */ - - /* We could modify the existing beacon and set the aid bit in the TIM - * field, but that would probably require resizing and moving of data - * within the beacon template. Simply request a new beacon and let - * mac80211 do the hard work. */ - beacon = ieee80211_beacon_get(wl->hw, wl->vif); - if (unlikely(!beacon)) - return; - - if (wl->current_beacon) - dev_kfree_skb_any(wl->current_beacon); - wl->current_beacon = beacon; - wl->beacon0_uploaded = false; - wl->beacon1_uploaded = false; - ieee80211_queue_work(wl->hw, &wl->beacon_update_trigger); -} - -static void b43legacy_set_beacon_int(struct b43legacy_wldev *dev, - u16 beacon_int) -{ - b43legacy_time_lock(dev); - if (dev->dev->id.revision >= 3) { - b43legacy_write32(dev, B43legacy_MMIO_TSF_CFP_REP, - (beacon_int << 16)); - b43legacy_write32(dev, B43legacy_MMIO_TSF_CFP_START, - (beacon_int << 10)); - } else { - b43legacy_write16(dev, 0x606, (beacon_int >> 6)); - b43legacy_write16(dev, 0x610, beacon_int); - } - b43legacy_time_unlock(dev); - b43legacydbg(dev->wl, "Set beacon interval to %u\n", beacon_int); -} - -static void handle_irq_ucode_debug(struct b43legacy_wldev *dev) -{ -} - -/* Interrupt handler bottom-half */ -static void b43legacy_interrupt_tasklet(struct b43legacy_wldev *dev) -{ - u32 reason; - u32 dma_reason[ARRAY_SIZE(dev->dma_reason)]; - u32 merged_dma_reason = 0; - int i; - unsigned long flags; - - spin_lock_irqsave(&dev->wl->irq_lock, flags); - - B43legacy_WARN_ON(b43legacy_status(dev) < - B43legacy_STAT_INITIALIZED); - - reason = dev->irq_reason; - for (i = 0; i < ARRAY_SIZE(dma_reason); i++) { - dma_reason[i] = dev->dma_reason[i]; - merged_dma_reason |= dma_reason[i]; - } - - if (unlikely(reason & B43legacy_IRQ_MAC_TXERR)) - b43legacyerr(dev->wl, "MAC transmission error\n"); - - if (unlikely(reason & B43legacy_IRQ_PHY_TXERR)) { - b43legacyerr(dev->wl, "PHY transmission error\n"); - rmb(); - if (unlikely(atomic_dec_and_test(&dev->phy.txerr_cnt))) { - b43legacyerr(dev->wl, "Too many PHY TX errors, " - "restarting the controller\n"); - b43legacy_controller_restart(dev, "PHY TX errors"); - } - } - - if (unlikely(merged_dma_reason & (B43legacy_DMAIRQ_FATALMASK | - B43legacy_DMAIRQ_NONFATALMASK))) { - if (merged_dma_reason & B43legacy_DMAIRQ_FATALMASK) { - b43legacyerr(dev->wl, "Fatal DMA error: " - "0x%08X, 0x%08X, 0x%08X, " - "0x%08X, 0x%08X, 0x%08X\n", - dma_reason[0], dma_reason[1], - dma_reason[2], dma_reason[3], - dma_reason[4], dma_reason[5]); - b43legacy_controller_restart(dev, "DMA error"); - mmiowb(); - spin_unlock_irqrestore(&dev->wl->irq_lock, flags); - return; - } - if (merged_dma_reason & B43legacy_DMAIRQ_NONFATALMASK) - b43legacyerr(dev->wl, "DMA error: " - "0x%08X, 0x%08X, 0x%08X, " - "0x%08X, 0x%08X, 0x%08X\n", - dma_reason[0], dma_reason[1], - dma_reason[2], dma_reason[3], - dma_reason[4], dma_reason[5]); - } - - if (unlikely(reason & B43legacy_IRQ_UCODE_DEBUG)) - handle_irq_ucode_debug(dev); - if (reason & B43legacy_IRQ_TBTT_INDI) - handle_irq_tbtt_indication(dev); - if (reason & B43legacy_IRQ_ATIM_END) - handle_irq_atim_end(dev); - if (reason & B43legacy_IRQ_BEACON) - handle_irq_beacon(dev); - if (reason & B43legacy_IRQ_PMQ) - handle_irq_pmq(dev); - if (reason & B43legacy_IRQ_TXFIFO_FLUSH_OK) - ;/*TODO*/ - if (reason & B43legacy_IRQ_NOISESAMPLE_OK) - handle_irq_noise(dev); - - /* Check the DMA reason registers for received data. */ - if (dma_reason[0] & B43legacy_DMAIRQ_RX_DONE) { - if (b43legacy_using_pio(dev)) - b43legacy_pio_rx(dev->pio.queue0); - else - b43legacy_dma_rx(dev->dma.rx_ring0); - } - B43legacy_WARN_ON(dma_reason[1] & B43legacy_DMAIRQ_RX_DONE); - B43legacy_WARN_ON(dma_reason[2] & B43legacy_DMAIRQ_RX_DONE); - if (dma_reason[3] & B43legacy_DMAIRQ_RX_DONE) { - if (b43legacy_using_pio(dev)) - b43legacy_pio_rx(dev->pio.queue3); - else - b43legacy_dma_rx(dev->dma.rx_ring3); - } - B43legacy_WARN_ON(dma_reason[4] & B43legacy_DMAIRQ_RX_DONE); - B43legacy_WARN_ON(dma_reason[5] & B43legacy_DMAIRQ_RX_DONE); - - if (reason & B43legacy_IRQ_TX_OK) - handle_irq_transmit_status(dev); - - b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, dev->irq_mask); - mmiowb(); - spin_unlock_irqrestore(&dev->wl->irq_lock, flags); -} - -static void pio_irq_workaround(struct b43legacy_wldev *dev, - u16 base, int queueidx) -{ - u16 rxctl; - - rxctl = b43legacy_read16(dev, base + B43legacy_PIO_RXCTL); - if (rxctl & B43legacy_PIO_RXCTL_DATAAVAILABLE) - dev->dma_reason[queueidx] |= B43legacy_DMAIRQ_RX_DONE; - else - dev->dma_reason[queueidx] &= ~B43legacy_DMAIRQ_RX_DONE; -} - -static void b43legacy_interrupt_ack(struct b43legacy_wldev *dev, u32 reason) -{ - if (b43legacy_using_pio(dev) && - (dev->dev->id.revision < 3) && - (!(reason & B43legacy_IRQ_PIO_WORKAROUND))) { - /* Apply a PIO specific workaround to the dma_reasons */ - pio_irq_workaround(dev, B43legacy_MMIO_PIO1_BASE, 0); - pio_irq_workaround(dev, B43legacy_MMIO_PIO2_BASE, 1); - pio_irq_workaround(dev, B43legacy_MMIO_PIO3_BASE, 2); - pio_irq_workaround(dev, B43legacy_MMIO_PIO4_BASE, 3); - } - - b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_REASON, reason); - - b43legacy_write32(dev, B43legacy_MMIO_DMA0_REASON, - dev->dma_reason[0]); - b43legacy_write32(dev, B43legacy_MMIO_DMA1_REASON, - dev->dma_reason[1]); - b43legacy_write32(dev, B43legacy_MMIO_DMA2_REASON, - dev->dma_reason[2]); - b43legacy_write32(dev, B43legacy_MMIO_DMA3_REASON, - dev->dma_reason[3]); - b43legacy_write32(dev, B43legacy_MMIO_DMA4_REASON, - dev->dma_reason[4]); - b43legacy_write32(dev, B43legacy_MMIO_DMA5_REASON, - dev->dma_reason[5]); -} - -/* Interrupt handler top-half */ -static irqreturn_t b43legacy_interrupt_handler(int irq, void *dev_id) -{ - irqreturn_t ret = IRQ_NONE; - struct b43legacy_wldev *dev = dev_id; - u32 reason; - - B43legacy_WARN_ON(!dev); - - spin_lock(&dev->wl->irq_lock); - - if (unlikely(b43legacy_status(dev) < B43legacy_STAT_STARTED)) - /* This can only happen on shared IRQ lines. */ - goto out; - reason = b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_REASON); - if (reason == 0xffffffff) /* shared IRQ */ - goto out; - ret = IRQ_HANDLED; - reason &= dev->irq_mask; - if (!reason) - goto out; - - dev->dma_reason[0] = b43legacy_read32(dev, - B43legacy_MMIO_DMA0_REASON) - & 0x0001DC00; - dev->dma_reason[1] = b43legacy_read32(dev, - B43legacy_MMIO_DMA1_REASON) - & 0x0000DC00; - dev->dma_reason[2] = b43legacy_read32(dev, - B43legacy_MMIO_DMA2_REASON) - & 0x0000DC00; - dev->dma_reason[3] = b43legacy_read32(dev, - B43legacy_MMIO_DMA3_REASON) - & 0x0001DC00; - dev->dma_reason[4] = b43legacy_read32(dev, - B43legacy_MMIO_DMA4_REASON) - & 0x0000DC00; - dev->dma_reason[5] = b43legacy_read32(dev, - B43legacy_MMIO_DMA5_REASON) - & 0x0000DC00; - - b43legacy_interrupt_ack(dev, reason); - /* Disable all IRQs. They are enabled again in the bottom half. */ - b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, 0); - /* Save the reason code and call our bottom half. */ - dev->irq_reason = reason; - tasklet_schedule(&dev->isr_tasklet); -out: - mmiowb(); - spin_unlock(&dev->wl->irq_lock); - - return ret; -} - -static void b43legacy_release_firmware(struct b43legacy_wldev *dev) -{ - release_firmware(dev->fw.ucode); - dev->fw.ucode = NULL; - release_firmware(dev->fw.pcm); - dev->fw.pcm = NULL; - release_firmware(dev->fw.initvals); - dev->fw.initvals = NULL; - release_firmware(dev->fw.initvals_band); - dev->fw.initvals_band = NULL; -} - -static void b43legacy_print_fw_helptext(struct b43legacy_wl *wl) -{ - /*(DEBLOBBED)*/ -} - -static void b43legacy_fw_cb(const struct firmware *firmware, void *context) -{ - struct b43legacy_wldev *dev = context; - - dev->fwp = firmware; - complete(&dev->fw_load_complete); -} - -static int do_request_fw(struct b43legacy_wldev *dev, - const char *name, - const struct firmware **fw, bool async) -{ - char path[sizeof(modparam_fwpostfix) + 32]; - struct b43legacy_fw_header *hdr; - u32 size; - int err; - - if (!name) - return 0; - - snprintf(path, ARRAY_SIZE(path), - "/*(DEBLOBBED)*/", - modparam_fwpostfix, name); - b43legacyinfo(dev->wl, "Loading firmware %s\n", path); - if (async) { - init_completion(&dev->fw_load_complete); - err = reject_firmware_nowait(THIS_MODULE, 1, path, - dev->dev->dev, GFP_KERNEL, - dev, b43legacy_fw_cb); - if (err) { - b43legacyerr(dev->wl, "Unable to load firmware\n"); - return err; - } - /* stall here until fw ready */ - wait_for_completion(&dev->fw_load_complete); - if (!dev->fwp) - err = -EINVAL; - *fw = dev->fwp; - } else { - err = reject_firmware(fw, path, dev->dev->dev); - } - if (err) { - b43legacyerr(dev->wl, "Firmware file \"%s\" not found " - "or load failed.\n", path); - return err; - } - if ((*fw)->size < sizeof(struct b43legacy_fw_header)) - goto err_format; - hdr = (struct b43legacy_fw_header *)((*fw)->data); - switch (hdr->type) { - case B43legacy_FW_TYPE_UCODE: - case B43legacy_FW_TYPE_PCM: - size = be32_to_cpu(hdr->size); - if (size != (*fw)->size - sizeof(struct b43legacy_fw_header)) - goto err_format; - /* fallthrough */ - case B43legacy_FW_TYPE_IV: - if (hdr->ver != 1) - goto err_format; - break; - default: - goto err_format; - } - - return err; - -err_format: - b43legacyerr(dev->wl, "Firmware file \"%s\" format error.\n", path); - return -EPROTO; -} - -static int b43legacy_one_core_attach(struct ssb_device *dev, - struct b43legacy_wl *wl); -static void b43legacy_one_core_detach(struct ssb_device *dev); - -static void b43legacy_request_firmware(struct work_struct *work) -{ - struct b43legacy_wl *wl = container_of(work, - struct b43legacy_wl, firmware_load); - struct b43legacy_wldev *dev = wl->current_dev; - struct b43legacy_firmware *fw = &dev->fw; - const u8 rev = dev->dev->id.revision; - const char *filename; - int err; - - if (!fw->ucode) { - if (rev == 2) - filename = "ucode2"; - else if (rev == 4) - filename = "ucode4"; - else - filename = "ucode5"; - err = do_request_fw(dev, filename, &fw->ucode, true); - if (err) - goto err_load; - } - if (!fw->pcm) { - if (rev < 5) - filename = "pcm4"; - else - filename = "pcm5"; - err = do_request_fw(dev, filename, &fw->pcm, false); - if (err) - goto err_load; - } - if (!fw->initvals) { - switch (dev->phy.type) { - case B43legacy_PHYTYPE_B: - case B43legacy_PHYTYPE_G: - if ((rev >= 5) && (rev <= 10)) - filename = "b0g0initvals5"; - else if (rev == 2 || rev == 4) - filename = "b0g0initvals2"; - else - goto err_no_initvals; - break; - default: - goto err_no_initvals; - } - err = do_request_fw(dev, filename, &fw->initvals, false); - if (err) - goto err_load; - } - if (!fw->initvals_band) { - switch (dev->phy.type) { - case B43legacy_PHYTYPE_B: - case B43legacy_PHYTYPE_G: - if ((rev >= 5) && (rev <= 10)) - filename = "b0g0bsinitvals5"; - else if (rev >= 11) - filename = NULL; - else if (rev == 2 || rev == 4) - filename = NULL; - else - goto err_no_initvals; - break; - default: - goto err_no_initvals; - } - err = do_request_fw(dev, filename, &fw->initvals_band, false); - if (err) - goto err_load; - } - err = ieee80211_register_hw(wl->hw); - if (err) - goto err_one_core_detach; - return; - -err_one_core_detach: - b43legacy_one_core_detach(dev->dev); - goto error; - -err_load: - b43legacy_print_fw_helptext(dev->wl); - goto error; - -err_no_initvals: - err = -ENODEV; - b43legacyerr(dev->wl, "No Initial Values firmware file for PHY %u, " - "core rev %u\n", dev->phy.type, rev); - goto error; - -error: - b43legacy_release_firmware(dev); - return; -} - -static int b43legacy_upload_microcode(struct b43legacy_wldev *dev) -{ - struct wiphy *wiphy = dev->wl->hw->wiphy; - const size_t hdr_len = sizeof(struct b43legacy_fw_header); - const __be32 *data; - unsigned int i; - unsigned int len; - u16 fwrev; - u16 fwpatch; - u16 fwdate; - u16 fwtime; - u32 tmp, macctl; - int err = 0; - - /* Jump the microcode PSM to offset 0 */ - macctl = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); - B43legacy_WARN_ON(macctl & B43legacy_MACCTL_PSM_RUN); - macctl |= B43legacy_MACCTL_PSM_JMP0; - b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl); - /* Zero out all microcode PSM registers and shared memory. */ - for (i = 0; i < 64; i++) - b43legacy_shm_write16(dev, B43legacy_SHM_WIRELESS, i, 0); - for (i = 0; i < 4096; i += 2) - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, i, 0); - - /* Upload Microcode. */ - data = (__be32 *) (dev->fw.ucode->data + hdr_len); - len = (dev->fw.ucode->size - hdr_len) / sizeof(__be32); - b43legacy_shm_control_word(dev, - B43legacy_SHM_UCODE | - B43legacy_SHM_AUTOINC_W, - 0x0000); - for (i = 0; i < len; i++) { - b43legacy_write32(dev, B43legacy_MMIO_SHM_DATA, - be32_to_cpu(data[i])); - udelay(10); - } - - if (dev->fw.pcm) { - /* Upload PCM data. */ - data = (__be32 *) (dev->fw.pcm->data + hdr_len); - len = (dev->fw.pcm->size - hdr_len) / sizeof(__be32); - b43legacy_shm_control_word(dev, B43legacy_SHM_HW, 0x01EA); - b43legacy_write32(dev, B43legacy_MMIO_SHM_DATA, 0x00004000); - /* No need for autoinc bit in SHM_HW */ - b43legacy_shm_control_word(dev, B43legacy_SHM_HW, 0x01EB); - for (i = 0; i < len; i++) { - b43legacy_write32(dev, B43legacy_MMIO_SHM_DATA, - be32_to_cpu(data[i])); - udelay(10); - } - } - - b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_REASON, - B43legacy_IRQ_ALL); - - /* Start the microcode PSM */ - macctl = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); - macctl &= ~B43legacy_MACCTL_PSM_JMP0; - macctl |= B43legacy_MACCTL_PSM_RUN; - b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl); - - /* Wait for the microcode to load and respond */ - i = 0; - while (1) { - tmp = b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_REASON); - if (tmp == B43legacy_IRQ_MAC_SUSPENDED) - break; - i++; - if (i >= B43legacy_IRQWAIT_MAX_RETRIES) { - b43legacyerr(dev->wl, "Microcode not responding\n"); - b43legacy_print_fw_helptext(dev->wl); - err = -ENODEV; - goto error; - } - msleep_interruptible(50); - if (signal_pending(current)) { - err = -EINTR; - goto error; - } - } - /* dummy read follows */ - b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_REASON); - - /* Get and check the revisions. */ - fwrev = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, - B43legacy_SHM_SH_UCODEREV); - fwpatch = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, - B43legacy_SHM_SH_UCODEPATCH); - fwdate = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, - B43legacy_SHM_SH_UCODEDATE); - fwtime = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, - B43legacy_SHM_SH_UCODETIME); - - if (fwrev > 0x128) { - b43legacyerr(dev->wl, "YOU ARE TRYING TO LOAD V4 FIRMWARE." - " Only firmware from binary drivers version 3.x" - " is supported. You must change your firmware" - " files.\n"); - b43legacy_print_fw_helptext(dev->wl); - err = -EOPNOTSUPP; - goto error; - } - b43legacyinfo(dev->wl, "Loading firmware version 0x%X, patch level %u " - "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", fwrev, fwpatch, - (fwdate >> 12) & 0xF, (fwdate >> 8) & 0xF, fwdate & 0xFF, - (fwtime >> 11) & 0x1F, (fwtime >> 5) & 0x3F, - fwtime & 0x1F); - - dev->fw.rev = fwrev; - dev->fw.patch = fwpatch; - - snprintf(wiphy->fw_version, sizeof(wiphy->fw_version), "%u.%u", - dev->fw.rev, dev->fw.patch); - wiphy->hw_version = dev->dev->id.coreid; - - return 0; - -error: - macctl = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); - macctl &= ~B43legacy_MACCTL_PSM_RUN; - macctl |= B43legacy_MACCTL_PSM_JMP0; - b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl); - - return err; -} - -static int b43legacy_write_initvals(struct b43legacy_wldev *dev, - const struct b43legacy_iv *ivals, - size_t count, - size_t array_size) -{ - const struct b43legacy_iv *iv; - u16 offset; - size_t i; - bool bit32; - - BUILD_BUG_ON(sizeof(struct b43legacy_iv) != 6); - iv = ivals; - for (i = 0; i < count; i++) { - if (array_size < sizeof(iv->offset_size)) - goto err_format; - array_size -= sizeof(iv->offset_size); - offset = be16_to_cpu(iv->offset_size); - bit32 = !!(offset & B43legacy_IV_32BIT); - offset &= B43legacy_IV_OFFSET_MASK; - if (offset >= 0x1000) - goto err_format; - if (bit32) { - u32 value; - - if (array_size < sizeof(iv->data.d32)) - goto err_format; - array_size -= sizeof(iv->data.d32); - - value = get_unaligned_be32(&iv->data.d32); - b43legacy_write32(dev, offset, value); - - iv = (const struct b43legacy_iv *)((const uint8_t *)iv + - sizeof(__be16) + - sizeof(__be32)); - } else { - u16 value; - - if (array_size < sizeof(iv->data.d16)) - goto err_format; - array_size -= sizeof(iv->data.d16); - - value = be16_to_cpu(iv->data.d16); - b43legacy_write16(dev, offset, value); - - iv = (const struct b43legacy_iv *)((const uint8_t *)iv + - sizeof(__be16) + - sizeof(__be16)); - } - } - if (array_size) - goto err_format; - - return 0; - -err_format: - b43legacyerr(dev->wl, "Initial Values Firmware file-format error.\n"); - b43legacy_print_fw_helptext(dev->wl); - - return -EPROTO; -} - -static int b43legacy_upload_initvals(struct b43legacy_wldev *dev) -{ - const size_t hdr_len = sizeof(struct b43legacy_fw_header); - const struct b43legacy_fw_header *hdr; - struct b43legacy_firmware *fw = &dev->fw; - const struct b43legacy_iv *ivals; - size_t count; - int err; - - hdr = (const struct b43legacy_fw_header *)(fw->initvals->data); - ivals = (const struct b43legacy_iv *)(fw->initvals->data + hdr_len); - count = be32_to_cpu(hdr->size); - err = b43legacy_write_initvals(dev, ivals, count, - fw->initvals->size - hdr_len); - if (err) - goto out; - if (fw->initvals_band) { - hdr = (const struct b43legacy_fw_header *) - (fw->initvals_band->data); - ivals = (const struct b43legacy_iv *)(fw->initvals_band->data - + hdr_len); - count = be32_to_cpu(hdr->size); - err = b43legacy_write_initvals(dev, ivals, count, - fw->initvals_band->size - hdr_len); - if (err) - goto out; - } -out: - - return err; -} - -/* Initialize the GPIOs - * http://bcm-specs.sipsolutions.net/GPIO - */ -static int b43legacy_gpio_init(struct b43legacy_wldev *dev) -{ - struct ssb_bus *bus = dev->dev->bus; - struct ssb_device *gpiodev, *pcidev = NULL; - u32 mask; - u32 set; - - b43legacy_write32(dev, B43legacy_MMIO_MACCTL, - b43legacy_read32(dev, - B43legacy_MMIO_MACCTL) - & 0xFFFF3FFF); - - b43legacy_write16(dev, B43legacy_MMIO_GPIO_MASK, - b43legacy_read16(dev, - B43legacy_MMIO_GPIO_MASK) - | 0x000F); - - mask = 0x0000001F; - set = 0x0000000F; - if (dev->dev->bus->chip_id == 0x4301) { - mask |= 0x0060; - set |= 0x0060; - } - if (dev->dev->bus->sprom.boardflags_lo & B43legacy_BFL_PACTRL) { - b43legacy_write16(dev, B43legacy_MMIO_GPIO_MASK, - b43legacy_read16(dev, - B43legacy_MMIO_GPIO_MASK) - | 0x0200); - mask |= 0x0200; - set |= 0x0200; - } - if (dev->dev->id.revision >= 2) - mask |= 0x0010; /* FIXME: This is redundant. */ - -#ifdef CONFIG_SSB_DRIVER_PCICORE - pcidev = bus->pcicore.dev; -#endif - gpiodev = bus->chipco.dev ? : pcidev; - if (!gpiodev) - return 0; - ssb_write32(gpiodev, B43legacy_GPIO_CONTROL, - (ssb_read32(gpiodev, B43legacy_GPIO_CONTROL) - & ~mask) | set); - - return 0; -} - -/* Turn off all GPIO stuff. Call this on module unload, for example. */ -static void b43legacy_gpio_cleanup(struct b43legacy_wldev *dev) -{ - struct ssb_bus *bus = dev->dev->bus; - struct ssb_device *gpiodev, *pcidev = NULL; - -#ifdef CONFIG_SSB_DRIVER_PCICORE - pcidev = bus->pcicore.dev; -#endif - gpiodev = bus->chipco.dev ? : pcidev; - if (!gpiodev) - return; - ssb_write32(gpiodev, B43legacy_GPIO_CONTROL, 0); -} - -/* http://bcm-specs.sipsolutions.net/EnableMac */ -void b43legacy_mac_enable(struct b43legacy_wldev *dev) -{ - dev->mac_suspended--; - B43legacy_WARN_ON(dev->mac_suspended < 0); - B43legacy_WARN_ON(irqs_disabled()); - if (dev->mac_suspended == 0) { - b43legacy_write32(dev, B43legacy_MMIO_MACCTL, - b43legacy_read32(dev, - B43legacy_MMIO_MACCTL) - | B43legacy_MACCTL_ENABLED); - b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_REASON, - B43legacy_IRQ_MAC_SUSPENDED); - /* the next two are dummy reads */ - b43legacy_read32(dev, B43legacy_MMIO_MACCTL); - b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_REASON); - b43legacy_power_saving_ctl_bits(dev, -1, -1); - - /* Re-enable IRQs. */ - spin_lock_irq(&dev->wl->irq_lock); - b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, - dev->irq_mask); - spin_unlock_irq(&dev->wl->irq_lock); - } -} - -/* http://bcm-specs.sipsolutions.net/SuspendMAC */ -void b43legacy_mac_suspend(struct b43legacy_wldev *dev) -{ - int i; - u32 tmp; - - might_sleep(); - B43legacy_WARN_ON(irqs_disabled()); - B43legacy_WARN_ON(dev->mac_suspended < 0); - - if (dev->mac_suspended == 0) { - /* Mask IRQs before suspending MAC. Otherwise - * the MAC stays busy and won't suspend. */ - spin_lock_irq(&dev->wl->irq_lock); - b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, 0); - spin_unlock_irq(&dev->wl->irq_lock); - b43legacy_synchronize_irq(dev); - - b43legacy_power_saving_ctl_bits(dev, -1, 1); - b43legacy_write32(dev, B43legacy_MMIO_MACCTL, - b43legacy_read32(dev, - B43legacy_MMIO_MACCTL) - & ~B43legacy_MACCTL_ENABLED); - b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_REASON); - for (i = 40; i; i--) { - tmp = b43legacy_read32(dev, - B43legacy_MMIO_GEN_IRQ_REASON); - if (tmp & B43legacy_IRQ_MAC_SUSPENDED) - goto out; - msleep(1); - } - b43legacyerr(dev->wl, "MAC suspend failed\n"); - } -out: - dev->mac_suspended++; -} - -static void b43legacy_adjust_opmode(struct b43legacy_wldev *dev) -{ - struct b43legacy_wl *wl = dev->wl; - u32 ctl; - u16 cfp_pretbtt; - - ctl = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); - /* Reset status to STA infrastructure mode. */ - ctl &= ~B43legacy_MACCTL_AP; - ctl &= ~B43legacy_MACCTL_KEEP_CTL; - ctl &= ~B43legacy_MACCTL_KEEP_BADPLCP; - ctl &= ~B43legacy_MACCTL_KEEP_BAD; - ctl &= ~B43legacy_MACCTL_PROMISC; - ctl &= ~B43legacy_MACCTL_BEACPROMISC; - ctl |= B43legacy_MACCTL_INFRA; - - if (b43legacy_is_mode(wl, NL80211_IFTYPE_AP)) - ctl |= B43legacy_MACCTL_AP; - else if (b43legacy_is_mode(wl, NL80211_IFTYPE_ADHOC)) - ctl &= ~B43legacy_MACCTL_INFRA; - - if (wl->filter_flags & FIF_CONTROL) - ctl |= B43legacy_MACCTL_KEEP_CTL; - if (wl->filter_flags & FIF_FCSFAIL) - ctl |= B43legacy_MACCTL_KEEP_BAD; - if (wl->filter_flags & FIF_PLCPFAIL) - ctl |= B43legacy_MACCTL_KEEP_BADPLCP; - if (wl->filter_flags & FIF_BCN_PRBRESP_PROMISC) - ctl |= B43legacy_MACCTL_BEACPROMISC; - - /* Workaround: On old hardware the HW-MAC-address-filter - * doesn't work properly, so always run promisc in filter - * it in software. */ - if (dev->dev->id.revision <= 4) - ctl |= B43legacy_MACCTL_PROMISC; - - b43legacy_write32(dev, B43legacy_MMIO_MACCTL, ctl); - - cfp_pretbtt = 2; - if ((ctl & B43legacy_MACCTL_INFRA) && - !(ctl & B43legacy_MACCTL_AP)) { - if (dev->dev->bus->chip_id == 0x4306 && - dev->dev->bus->chip_rev == 3) - cfp_pretbtt = 100; - else - cfp_pretbtt = 50; - } - b43legacy_write16(dev, 0x612, cfp_pretbtt); -} - -static void b43legacy_rate_memory_write(struct b43legacy_wldev *dev, - u16 rate, - int is_ofdm) -{ - u16 offset; - - if (is_ofdm) { - offset = 0x480; - offset += (b43legacy_plcp_get_ratecode_ofdm(rate) & 0x000F) * 2; - } else { - offset = 0x4C0; - offset += (b43legacy_plcp_get_ratecode_cck(rate) & 0x000F) * 2; - } - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, offset + 0x20, - b43legacy_shm_read16(dev, - B43legacy_SHM_SHARED, offset)); -} - -static void b43legacy_rate_memory_init(struct b43legacy_wldev *dev) -{ - switch (dev->phy.type) { - case B43legacy_PHYTYPE_G: - b43legacy_rate_memory_write(dev, B43legacy_OFDM_RATE_6MB, 1); - b43legacy_rate_memory_write(dev, B43legacy_OFDM_RATE_12MB, 1); - b43legacy_rate_memory_write(dev, B43legacy_OFDM_RATE_18MB, 1); - b43legacy_rate_memory_write(dev, B43legacy_OFDM_RATE_24MB, 1); - b43legacy_rate_memory_write(dev, B43legacy_OFDM_RATE_36MB, 1); - b43legacy_rate_memory_write(dev, B43legacy_OFDM_RATE_48MB, 1); - b43legacy_rate_memory_write(dev, B43legacy_OFDM_RATE_54MB, 1); - /* fallthrough */ - case B43legacy_PHYTYPE_B: - b43legacy_rate_memory_write(dev, B43legacy_CCK_RATE_1MB, 0); - b43legacy_rate_memory_write(dev, B43legacy_CCK_RATE_2MB, 0); - b43legacy_rate_memory_write(dev, B43legacy_CCK_RATE_5MB, 0); - b43legacy_rate_memory_write(dev, B43legacy_CCK_RATE_11MB, 0); - break; - default: - B43legacy_BUG_ON(1); - } -} - -/* Set the TX-Antenna for management frames sent by firmware. */ -static void b43legacy_mgmtframe_txantenna(struct b43legacy_wldev *dev, - int antenna) -{ - u16 ant = 0; - u16 tmp; - - switch (antenna) { - case B43legacy_ANTENNA0: - ant |= B43legacy_TX4_PHY_ANT0; - break; - case B43legacy_ANTENNA1: - ant |= B43legacy_TX4_PHY_ANT1; - break; - case B43legacy_ANTENNA_AUTO: - ant |= B43legacy_TX4_PHY_ANTLAST; - break; - default: - B43legacy_BUG_ON(1); - } - - /* FIXME We also need to set the other flags of the PHY control - * field somewhere. */ - - /* For Beacons */ - tmp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, - B43legacy_SHM_SH_BEACPHYCTL); - tmp = (tmp & ~B43legacy_TX4_PHY_ANT) | ant; - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, - B43legacy_SHM_SH_BEACPHYCTL, tmp); - /* For ACK/CTS */ - tmp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, - B43legacy_SHM_SH_ACKCTSPHYCTL); - tmp = (tmp & ~B43legacy_TX4_PHY_ANT) | ant; - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, - B43legacy_SHM_SH_ACKCTSPHYCTL, tmp); - /* For Probe Resposes */ - tmp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, - B43legacy_SHM_SH_PRPHYCTL); - tmp = (tmp & ~B43legacy_TX4_PHY_ANT) | ant; - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, - B43legacy_SHM_SH_PRPHYCTL, tmp); -} - -/* This is the opposite of b43legacy_chip_init() */ -static void b43legacy_chip_exit(struct b43legacy_wldev *dev) -{ - b43legacy_radio_turn_off(dev, 1); - b43legacy_gpio_cleanup(dev); - /* firmware is released later */ -} - -/* Initialize the chip - * http://bcm-specs.sipsolutions.net/ChipInit - */ -static int b43legacy_chip_init(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - int err; - int tmp; - u32 value32, macctl; - u16 value16; - - /* Initialize the MAC control */ - macctl = B43legacy_MACCTL_IHR_ENABLED | B43legacy_MACCTL_SHM_ENABLED; - if (dev->phy.gmode) - macctl |= B43legacy_MACCTL_GMODE; - macctl |= B43legacy_MACCTL_INFRA; - b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl); - - err = b43legacy_upload_microcode(dev); - if (err) - goto out; /* firmware is released later */ - - err = b43legacy_gpio_init(dev); - if (err) - goto out; /* firmware is released later */ - - err = b43legacy_upload_initvals(dev); - if (err) - goto err_gpio_clean; - b43legacy_radio_turn_on(dev); - - b43legacy_write16(dev, 0x03E6, 0x0000); - err = b43legacy_phy_init(dev); - if (err) - goto err_radio_off; - - /* Select initial Interference Mitigation. */ - tmp = phy->interfmode; - phy->interfmode = B43legacy_INTERFMODE_NONE; - b43legacy_radio_set_interference_mitigation(dev, tmp); - - b43legacy_phy_set_antenna_diversity(dev); - b43legacy_mgmtframe_txantenna(dev, B43legacy_ANTENNA_DEFAULT); - - if (phy->type == B43legacy_PHYTYPE_B) { - value16 = b43legacy_read16(dev, 0x005E); - value16 |= 0x0004; - b43legacy_write16(dev, 0x005E, value16); - } - b43legacy_write32(dev, 0x0100, 0x01000000); - if (dev->dev->id.revision < 5) - b43legacy_write32(dev, 0x010C, 0x01000000); - - value32 = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); - value32 &= ~B43legacy_MACCTL_INFRA; - b43legacy_write32(dev, B43legacy_MMIO_MACCTL, value32); - value32 = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); - value32 |= B43legacy_MACCTL_INFRA; - b43legacy_write32(dev, B43legacy_MMIO_MACCTL, value32); - - if (b43legacy_using_pio(dev)) { - b43legacy_write32(dev, 0x0210, 0x00000100); - b43legacy_write32(dev, 0x0230, 0x00000100); - b43legacy_write32(dev, 0x0250, 0x00000100); - b43legacy_write32(dev, 0x0270, 0x00000100); - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x0034, - 0x0000); - } - - /* Probe Response Timeout value */ - /* FIXME: Default to 0, has to be set by ioctl probably... :-/ */ - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x0074, 0x0000); - - /* Initially set the wireless operation mode. */ - b43legacy_adjust_opmode(dev); - - if (dev->dev->id.revision < 3) { - b43legacy_write16(dev, 0x060E, 0x0000); - b43legacy_write16(dev, 0x0610, 0x8000); - b43legacy_write16(dev, 0x0604, 0x0000); - b43legacy_write16(dev, 0x0606, 0x0200); - } else { - b43legacy_write32(dev, 0x0188, 0x80000000); - b43legacy_write32(dev, 0x018C, 0x02000000); - } - b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_REASON, 0x00004000); - b43legacy_write32(dev, B43legacy_MMIO_DMA0_IRQ_MASK, 0x0001DC00); - b43legacy_write32(dev, B43legacy_MMIO_DMA1_IRQ_MASK, 0x0000DC00); - b43legacy_write32(dev, B43legacy_MMIO_DMA2_IRQ_MASK, 0x0000DC00); - b43legacy_write32(dev, B43legacy_MMIO_DMA3_IRQ_MASK, 0x0001DC00); - b43legacy_write32(dev, B43legacy_MMIO_DMA4_IRQ_MASK, 0x0000DC00); - b43legacy_write32(dev, B43legacy_MMIO_DMA5_IRQ_MASK, 0x0000DC00); - - value32 = ssb_read32(dev->dev, SSB_TMSLOW); - value32 |= B43legacy_TMSLOW_MACPHYCLKEN; - ssb_write32(dev->dev, SSB_TMSLOW, value32); - - b43legacy_write16(dev, B43legacy_MMIO_POWERUP_DELAY, - dev->dev->bus->chipco.fast_pwrup_delay); - - /* PHY TX errors counter. */ - atomic_set(&phy->txerr_cnt, B43legacy_PHY_TX_BADNESS_LIMIT); - - B43legacy_WARN_ON(err != 0); - b43legacydbg(dev->wl, "Chip initialized\n"); -out: - return err; - -err_radio_off: - b43legacy_radio_turn_off(dev, 1); -err_gpio_clean: - b43legacy_gpio_cleanup(dev); - goto out; -} - -static void b43legacy_periodic_every120sec(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - - if (phy->type != B43legacy_PHYTYPE_G || phy->rev < 2) - return; - - b43legacy_mac_suspend(dev); - b43legacy_phy_lo_g_measure(dev); - b43legacy_mac_enable(dev); -} - -static void b43legacy_periodic_every60sec(struct b43legacy_wldev *dev) -{ - b43legacy_phy_lo_mark_all_unused(dev); - if (dev->dev->bus->sprom.boardflags_lo & B43legacy_BFL_RSSI) { - b43legacy_mac_suspend(dev); - b43legacy_calc_nrssi_slope(dev); - b43legacy_mac_enable(dev); - } -} - -static void b43legacy_periodic_every30sec(struct b43legacy_wldev *dev) -{ - /* Update device statistics. */ - b43legacy_calculate_link_quality(dev); -} - -static void b43legacy_periodic_every15sec(struct b43legacy_wldev *dev) -{ - b43legacy_phy_xmitpower(dev); /* FIXME: unless scanning? */ - - atomic_set(&dev->phy.txerr_cnt, B43legacy_PHY_TX_BADNESS_LIMIT); - wmb(); -} - -static void do_periodic_work(struct b43legacy_wldev *dev) -{ - unsigned int state; - - state = dev->periodic_state; - if (state % 8 == 0) - b43legacy_periodic_every120sec(dev); - if (state % 4 == 0) - b43legacy_periodic_every60sec(dev); - if (state % 2 == 0) - b43legacy_periodic_every30sec(dev); - b43legacy_periodic_every15sec(dev); -} - -/* Periodic work locking policy: - * The whole periodic work handler is protected by - * wl->mutex. If another lock is needed somewhere in the - * pwork callchain, it's acquired in-place, where it's needed. - */ -static void b43legacy_periodic_work_handler(struct work_struct *work) -{ - struct b43legacy_wldev *dev = container_of(work, struct b43legacy_wldev, - periodic_work.work); - struct b43legacy_wl *wl = dev->wl; - unsigned long delay; - - mutex_lock(&wl->mutex); - - if (unlikely(b43legacy_status(dev) != B43legacy_STAT_STARTED)) - goto out; - if (b43legacy_debug(dev, B43legacy_DBG_PWORK_STOP)) - goto out_requeue; - - do_periodic_work(dev); - - dev->periodic_state++; -out_requeue: - if (b43legacy_debug(dev, B43legacy_DBG_PWORK_FAST)) - delay = msecs_to_jiffies(50); - else - delay = round_jiffies_relative(HZ * 15); - ieee80211_queue_delayed_work(wl->hw, &dev->periodic_work, delay); -out: - mutex_unlock(&wl->mutex); -} - -static void b43legacy_periodic_tasks_setup(struct b43legacy_wldev *dev) -{ - struct delayed_work *work = &dev->periodic_work; - - dev->periodic_state = 0; - INIT_DELAYED_WORK(work, b43legacy_periodic_work_handler); - ieee80211_queue_delayed_work(dev->wl->hw, work, 0); -} - -/* Validate access to the chip (SHM) */ -static int b43legacy_validate_chipaccess(struct b43legacy_wldev *dev) -{ - u32 value; - u32 shm_backup; - - shm_backup = b43legacy_shm_read32(dev, B43legacy_SHM_SHARED, 0); - b43legacy_shm_write32(dev, B43legacy_SHM_SHARED, 0, 0xAA5555AA); - if (b43legacy_shm_read32(dev, B43legacy_SHM_SHARED, 0) != - 0xAA5555AA) - goto error; - b43legacy_shm_write32(dev, B43legacy_SHM_SHARED, 0, 0x55AAAA55); - if (b43legacy_shm_read32(dev, B43legacy_SHM_SHARED, 0) != - 0x55AAAA55) - goto error; - b43legacy_shm_write32(dev, B43legacy_SHM_SHARED, 0, shm_backup); - - value = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); - if ((value | B43legacy_MACCTL_GMODE) != - (B43legacy_MACCTL_GMODE | B43legacy_MACCTL_IHR_ENABLED)) - goto error; - - value = b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_REASON); - if (value) - goto error; - - return 0; -error: - b43legacyerr(dev->wl, "Failed to validate the chipaccess\n"); - return -ENODEV; -} - -static void b43legacy_security_init(struct b43legacy_wldev *dev) -{ - dev->max_nr_keys = (dev->dev->id.revision >= 5) ? 58 : 20; - B43legacy_WARN_ON(dev->max_nr_keys > ARRAY_SIZE(dev->key)); - dev->ktp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, - 0x0056); - /* KTP is a word address, but we address SHM bytewise. - * So multiply by two. - */ - dev->ktp *= 2; - if (dev->dev->id.revision >= 5) - /* Number of RCMTA address slots */ - b43legacy_write16(dev, B43legacy_MMIO_RCMTA_COUNT, - dev->max_nr_keys - 8); -} - -#ifdef CONFIG_B43LEGACY_HWRNG -static int b43legacy_rng_read(struct hwrng *rng, u32 *data) -{ - struct b43legacy_wl *wl = (struct b43legacy_wl *)rng->priv; - unsigned long flags; - - /* Don't take wl->mutex here, as it could deadlock with - * hwrng internal locking. It's not needed to take - * wl->mutex here, anyway. */ - - spin_lock_irqsave(&wl->irq_lock, flags); - *data = b43legacy_read16(wl->current_dev, B43legacy_MMIO_RNG); - spin_unlock_irqrestore(&wl->irq_lock, flags); - - return (sizeof(u16)); -} -#endif - -static void b43legacy_rng_exit(struct b43legacy_wl *wl) -{ -#ifdef CONFIG_B43LEGACY_HWRNG - if (wl->rng_initialized) - hwrng_unregister(&wl->rng); -#endif -} - -static int b43legacy_rng_init(struct b43legacy_wl *wl) -{ - int err = 0; - -#ifdef CONFIG_B43LEGACY_HWRNG - snprintf(wl->rng_name, ARRAY_SIZE(wl->rng_name), - "%s_%s", KBUILD_MODNAME, wiphy_name(wl->hw->wiphy)); - wl->rng.name = wl->rng_name; - wl->rng.data_read = b43legacy_rng_read; - wl->rng.priv = (unsigned long)wl; - wl->rng_initialized = 1; - err = hwrng_register(&wl->rng); - if (err) { - wl->rng_initialized = 0; - b43legacyerr(wl, "Failed to register the random " - "number generator (%d)\n", err); - } - -#endif - return err; -} - -static void b43legacy_tx_work(struct work_struct *work) -{ - struct b43legacy_wl *wl = container_of(work, struct b43legacy_wl, - tx_work); - struct b43legacy_wldev *dev; - struct sk_buff *skb; - int queue_num; - int err = 0; - - mutex_lock(&wl->mutex); - dev = wl->current_dev; - if (unlikely(!dev || b43legacy_status(dev) < B43legacy_STAT_STARTED)) { - mutex_unlock(&wl->mutex); - return; - } - - for (queue_num = 0; queue_num < B43legacy_QOS_QUEUE_NUM; queue_num++) { - while (skb_queue_len(&wl->tx_queue[queue_num])) { - skb = skb_dequeue(&wl->tx_queue[queue_num]); - if (b43legacy_using_pio(dev)) - err = b43legacy_pio_tx(dev, skb); - else - err = b43legacy_dma_tx(dev, skb); - if (err == -ENOSPC) { - wl->tx_queue_stopped[queue_num] = 1; - ieee80211_stop_queue(wl->hw, queue_num); - skb_queue_head(&wl->tx_queue[queue_num], skb); - break; - } - if (unlikely(err)) - dev_kfree_skb(skb); /* Drop it */ - err = 0; - } - - if (!err) - wl->tx_queue_stopped[queue_num] = 0; - } - - mutex_unlock(&wl->mutex); -} - -static void b43legacy_op_tx(struct ieee80211_hw *hw, - struct ieee80211_tx_control *control, - struct sk_buff *skb) -{ - struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw); - - if (unlikely(skb->len < 2 + 2 + 6)) { - /* Too short, this can't be a valid frame. */ - dev_kfree_skb_any(skb); - return; - } - B43legacy_WARN_ON(skb_shinfo(skb)->nr_frags); - - skb_queue_tail(&wl->tx_queue[skb->queue_mapping], skb); - if (!wl->tx_queue_stopped[skb->queue_mapping]) - ieee80211_queue_work(wl->hw, &wl->tx_work); - else - ieee80211_stop_queue(wl->hw, skb->queue_mapping); -} - -static int b43legacy_op_conf_tx(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, u16 queue, - const struct ieee80211_tx_queue_params *params) -{ - return 0; -} - -static int b43legacy_op_get_stats(struct ieee80211_hw *hw, - struct ieee80211_low_level_stats *stats) -{ - struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw); - unsigned long flags; - - spin_lock_irqsave(&wl->irq_lock, flags); - memcpy(stats, &wl->ieee_stats, sizeof(*stats)); - spin_unlock_irqrestore(&wl->irq_lock, flags); - - return 0; -} - -static const char *phymode_to_string(unsigned int phymode) -{ - switch (phymode) { - case B43legacy_PHYMODE_B: - return "B"; - case B43legacy_PHYMODE_G: - return "G"; - default: - B43legacy_BUG_ON(1); - } - return ""; -} - -static int find_wldev_for_phymode(struct b43legacy_wl *wl, - unsigned int phymode, - struct b43legacy_wldev **dev, - bool *gmode) -{ - struct b43legacy_wldev *d; - - list_for_each_entry(d, &wl->devlist, list) { - if (d->phy.possible_phymodes & phymode) { - /* Ok, this device supports the PHY-mode. - * Set the gmode bit. */ - *gmode = true; - *dev = d; - - return 0; - } - } - - return -ESRCH; -} - -static void b43legacy_put_phy_into_reset(struct b43legacy_wldev *dev) -{ - struct ssb_device *sdev = dev->dev; - u32 tmslow; - - tmslow = ssb_read32(sdev, SSB_TMSLOW); - tmslow &= ~B43legacy_TMSLOW_GMODE; - tmslow |= B43legacy_TMSLOW_PHYRESET; - tmslow |= SSB_TMSLOW_FGC; - ssb_write32(sdev, SSB_TMSLOW, tmslow); - msleep(1); - - tmslow = ssb_read32(sdev, SSB_TMSLOW); - tmslow &= ~SSB_TMSLOW_FGC; - tmslow |= B43legacy_TMSLOW_PHYRESET; - ssb_write32(sdev, SSB_TMSLOW, tmslow); - msleep(1); -} - -/* Expects wl->mutex locked */ -static int b43legacy_switch_phymode(struct b43legacy_wl *wl, - unsigned int new_mode) -{ - struct b43legacy_wldev *uninitialized_var(up_dev); - struct b43legacy_wldev *down_dev; - int err; - bool gmode = false; - int prev_status; - - err = find_wldev_for_phymode(wl, new_mode, &up_dev, &gmode); - if (err) { - b43legacyerr(wl, "Could not find a device for %s-PHY mode\n", - phymode_to_string(new_mode)); - return err; - } - if ((up_dev == wl->current_dev) && - (!!wl->current_dev->phy.gmode == !!gmode)) - /* This device is already running. */ - return 0; - b43legacydbg(wl, "Reconfiguring PHYmode to %s-PHY\n", - phymode_to_string(new_mode)); - down_dev = wl->current_dev; - - prev_status = b43legacy_status(down_dev); - /* Shutdown the currently running core. */ - if (prev_status >= B43legacy_STAT_STARTED) - b43legacy_wireless_core_stop(down_dev); - if (prev_status >= B43legacy_STAT_INITIALIZED) - b43legacy_wireless_core_exit(down_dev); - - if (down_dev != up_dev) - /* We switch to a different core, so we put PHY into - * RESET on the old core. */ - b43legacy_put_phy_into_reset(down_dev); - - /* Now start the new core. */ - up_dev->phy.gmode = gmode; - if (prev_status >= B43legacy_STAT_INITIALIZED) { - err = b43legacy_wireless_core_init(up_dev); - if (err) { - b43legacyerr(wl, "Fatal: Could not initialize device" - " for newly selected %s-PHY mode\n", - phymode_to_string(new_mode)); - goto init_failure; - } - } - if (prev_status >= B43legacy_STAT_STARTED) { - err = b43legacy_wireless_core_start(up_dev); - if (err) { - b43legacyerr(wl, "Fatal: Could not start device for " - "newly selected %s-PHY mode\n", - phymode_to_string(new_mode)); - b43legacy_wireless_core_exit(up_dev); - goto init_failure; - } - } - B43legacy_WARN_ON(b43legacy_status(up_dev) != prev_status); - - b43legacy_shm_write32(up_dev, B43legacy_SHM_SHARED, 0x003E, 0); - - wl->current_dev = up_dev; - - return 0; -init_failure: - /* Whoops, failed to init the new core. No core is operating now. */ - wl->current_dev = NULL; - return err; -} - -/* Write the short and long frame retry limit values. */ -static void b43legacy_set_retry_limits(struct b43legacy_wldev *dev, - unsigned int short_retry, - unsigned int long_retry) -{ - /* The retry limit is a 4-bit counter. Enforce this to avoid overflowing - * the chip-internal counter. */ - short_retry = min(short_retry, (unsigned int)0xF); - long_retry = min(long_retry, (unsigned int)0xF); - - b43legacy_shm_write16(dev, B43legacy_SHM_WIRELESS, 0x0006, short_retry); - b43legacy_shm_write16(dev, B43legacy_SHM_WIRELESS, 0x0007, long_retry); -} - -static int b43legacy_op_dev_config(struct ieee80211_hw *hw, - u32 changed) -{ - struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw); - struct b43legacy_wldev *dev; - struct b43legacy_phy *phy; - struct ieee80211_conf *conf = &hw->conf; - unsigned long flags; - unsigned int new_phymode = 0xFFFF; - int antenna_tx; - int err = 0; - - antenna_tx = B43legacy_ANTENNA_DEFAULT; - - mutex_lock(&wl->mutex); - dev = wl->current_dev; - phy = &dev->phy; - - if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) - b43legacy_set_retry_limits(dev, - conf->short_frame_max_tx_count, - conf->long_frame_max_tx_count); - changed &= ~IEEE80211_CONF_CHANGE_RETRY_LIMITS; - if (!changed) - goto out_unlock_mutex; - - /* Switch the PHY mode (if necessary). */ - switch (conf->chandef.chan->band) { - case IEEE80211_BAND_2GHZ: - if (phy->type == B43legacy_PHYTYPE_B) - new_phymode = B43legacy_PHYMODE_B; - else - new_phymode = B43legacy_PHYMODE_G; - break; - default: - B43legacy_WARN_ON(1); - } - err = b43legacy_switch_phymode(wl, new_phymode); - if (err) - goto out_unlock_mutex; - - /* Disable IRQs while reconfiguring the device. - * This makes it possible to drop the spinlock throughout - * the reconfiguration process. */ - spin_lock_irqsave(&wl->irq_lock, flags); - if (b43legacy_status(dev) < B43legacy_STAT_STARTED) { - spin_unlock_irqrestore(&wl->irq_lock, flags); - goto out_unlock_mutex; - } - b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, 0); - spin_unlock_irqrestore(&wl->irq_lock, flags); - b43legacy_synchronize_irq(dev); - - /* Switch to the requested channel. - * The firmware takes care of races with the TX handler. */ - if (conf->chandef.chan->hw_value != phy->channel) - b43legacy_radio_selectchannel(dev, conf->chandef.chan->hw_value, - 0); - - dev->wl->radiotap_enabled = !!(conf->flags & IEEE80211_CONF_MONITOR); - - /* Adjust the desired TX power level. */ - if (conf->power_level != 0) { - if (conf->power_level != phy->power_level) { - phy->power_level = conf->power_level; - b43legacy_phy_xmitpower(dev); - } - } - - /* Antennas for RX and management frame TX. */ - b43legacy_mgmtframe_txantenna(dev, antenna_tx); - - if (wl->radio_enabled != phy->radio_on) { - if (wl->radio_enabled) { - b43legacy_radio_turn_on(dev); - b43legacyinfo(dev->wl, "Radio turned on by software\n"); - if (!dev->radio_hw_enable) - b43legacyinfo(dev->wl, "The hardware RF-kill" - " button still turns the radio" - " physically off. Press the" - " button to turn it on.\n"); - } else { - b43legacy_radio_turn_off(dev, 0); - b43legacyinfo(dev->wl, "Radio turned off by" - " software\n"); - } - } - - spin_lock_irqsave(&wl->irq_lock, flags); - b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, dev->irq_mask); - mmiowb(); - spin_unlock_irqrestore(&wl->irq_lock, flags); -out_unlock_mutex: - mutex_unlock(&wl->mutex); - - return err; -} - -static void b43legacy_update_basic_rates(struct b43legacy_wldev *dev, u32 brates) -{ - struct ieee80211_supported_band *sband = - dev->wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ]; - struct ieee80211_rate *rate; - int i; - u16 basic, direct, offset, basic_offset, rateptr; - - for (i = 0; i < sband->n_bitrates; i++) { - rate = &sband->bitrates[i]; - - if (b43legacy_is_cck_rate(rate->hw_value)) { - direct = B43legacy_SHM_SH_CCKDIRECT; - basic = B43legacy_SHM_SH_CCKBASIC; - offset = b43legacy_plcp_get_ratecode_cck(rate->hw_value); - offset &= 0xF; - } else { - direct = B43legacy_SHM_SH_OFDMDIRECT; - basic = B43legacy_SHM_SH_OFDMBASIC; - offset = b43legacy_plcp_get_ratecode_ofdm(rate->hw_value); - offset &= 0xF; - } - - rate = ieee80211_get_response_rate(sband, brates, rate->bitrate); - - if (b43legacy_is_cck_rate(rate->hw_value)) { - basic_offset = b43legacy_plcp_get_ratecode_cck(rate->hw_value); - basic_offset &= 0xF; - } else { - basic_offset = b43legacy_plcp_get_ratecode_ofdm(rate->hw_value); - basic_offset &= 0xF; - } - - /* - * Get the pointer that we need to point to - * from the direct map - */ - rateptr = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, - direct + 2 * basic_offset); - /* and write it to the basic map */ - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, - basic + 2 * offset, rateptr); - } -} - -static void b43legacy_op_bss_info_changed(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_bss_conf *conf, - u32 changed) -{ - struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw); - struct b43legacy_wldev *dev; - unsigned long flags; - - mutex_lock(&wl->mutex); - B43legacy_WARN_ON(wl->vif != vif); - - dev = wl->current_dev; - - /* Disable IRQs while reconfiguring the device. - * This makes it possible to drop the spinlock throughout - * the reconfiguration process. */ - spin_lock_irqsave(&wl->irq_lock, flags); - if (b43legacy_status(dev) < B43legacy_STAT_STARTED) { - spin_unlock_irqrestore(&wl->irq_lock, flags); - goto out_unlock_mutex; - } - b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, 0); - - if (changed & BSS_CHANGED_BSSID) { - b43legacy_synchronize_irq(dev); - - if (conf->bssid) - memcpy(wl->bssid, conf->bssid, ETH_ALEN); - else - eth_zero_addr(wl->bssid); - } - - if (b43legacy_status(dev) >= B43legacy_STAT_INITIALIZED) { - if (changed & BSS_CHANGED_BEACON && - (b43legacy_is_mode(wl, NL80211_IFTYPE_AP) || - b43legacy_is_mode(wl, NL80211_IFTYPE_ADHOC))) - b43legacy_update_templates(wl); - - if (changed & BSS_CHANGED_BSSID) - b43legacy_write_mac_bssid_templates(dev); - } - spin_unlock_irqrestore(&wl->irq_lock, flags); - - b43legacy_mac_suspend(dev); - - if (changed & BSS_CHANGED_BEACON_INT && - (b43legacy_is_mode(wl, NL80211_IFTYPE_AP) || - b43legacy_is_mode(wl, NL80211_IFTYPE_ADHOC))) - b43legacy_set_beacon_int(dev, conf->beacon_int); - - if (changed & BSS_CHANGED_BASIC_RATES) - b43legacy_update_basic_rates(dev, conf->basic_rates); - - if (changed & BSS_CHANGED_ERP_SLOT) { - if (conf->use_short_slot) - b43legacy_short_slot_timing_enable(dev); - else - b43legacy_short_slot_timing_disable(dev); - } - - b43legacy_mac_enable(dev); - - spin_lock_irqsave(&wl->irq_lock, flags); - b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, dev->irq_mask); - /* XXX: why? */ - mmiowb(); - spin_unlock_irqrestore(&wl->irq_lock, flags); - out_unlock_mutex: - mutex_unlock(&wl->mutex); -} - -static void b43legacy_op_configure_filter(struct ieee80211_hw *hw, - unsigned int changed, - unsigned int *fflags,u64 multicast) -{ - struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw); - struct b43legacy_wldev *dev = wl->current_dev; - unsigned long flags; - - if (!dev) { - *fflags = 0; - return; - } - - spin_lock_irqsave(&wl->irq_lock, flags); - *fflags &= FIF_ALLMULTI | - FIF_FCSFAIL | - FIF_PLCPFAIL | - FIF_CONTROL | - FIF_OTHER_BSS | - FIF_BCN_PRBRESP_PROMISC; - - changed &= FIF_ALLMULTI | - FIF_FCSFAIL | - FIF_PLCPFAIL | - FIF_CONTROL | - FIF_OTHER_BSS | - FIF_BCN_PRBRESP_PROMISC; - - wl->filter_flags = *fflags; - - if (changed && b43legacy_status(dev) >= B43legacy_STAT_INITIALIZED) - b43legacy_adjust_opmode(dev); - spin_unlock_irqrestore(&wl->irq_lock, flags); -} - -/* Locking: wl->mutex */ -static void b43legacy_wireless_core_stop(struct b43legacy_wldev *dev) -{ - struct b43legacy_wl *wl = dev->wl; - unsigned long flags; - int queue_num; - - if (b43legacy_status(dev) < B43legacy_STAT_STARTED) - return; - - /* Disable and sync interrupts. We must do this before than - * setting the status to INITIALIZED, as the interrupt handler - * won't care about IRQs then. */ - spin_lock_irqsave(&wl->irq_lock, flags); - b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, 0); - b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_MASK); /* flush */ - spin_unlock_irqrestore(&wl->irq_lock, flags); - b43legacy_synchronize_irq(dev); - - b43legacy_set_status(dev, B43legacy_STAT_INITIALIZED); - - mutex_unlock(&wl->mutex); - /* Must unlock as it would otherwise deadlock. No races here. - * Cancel the possibly running self-rearming periodic work. */ - cancel_delayed_work_sync(&dev->periodic_work); - cancel_work_sync(&wl->tx_work); - mutex_lock(&wl->mutex); - - /* Drain all TX queues. */ - for (queue_num = 0; queue_num < B43legacy_QOS_QUEUE_NUM; queue_num++) { - while (skb_queue_len(&wl->tx_queue[queue_num])) - dev_kfree_skb(skb_dequeue(&wl->tx_queue[queue_num])); - } - -b43legacy_mac_suspend(dev); - free_irq(dev->dev->irq, dev); - b43legacydbg(wl, "Wireless interface stopped\n"); -} - -/* Locking: wl->mutex */ -static int b43legacy_wireless_core_start(struct b43legacy_wldev *dev) -{ - int err; - - B43legacy_WARN_ON(b43legacy_status(dev) != B43legacy_STAT_INITIALIZED); - - drain_txstatus_queue(dev); - err = request_irq(dev->dev->irq, b43legacy_interrupt_handler, - IRQF_SHARED, KBUILD_MODNAME, dev); - if (err) { - b43legacyerr(dev->wl, "Cannot request IRQ-%d\n", - dev->dev->irq); - goto out; - } - /* We are ready to run. */ - ieee80211_wake_queues(dev->wl->hw); - b43legacy_set_status(dev, B43legacy_STAT_STARTED); - - /* Start data flow (TX/RX) */ - b43legacy_mac_enable(dev); - b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, dev->irq_mask); - - /* Start maintenance work */ - b43legacy_periodic_tasks_setup(dev); - - b43legacydbg(dev->wl, "Wireless interface started\n"); -out: - return err; -} - -/* Get PHY and RADIO versioning numbers */ -static int b43legacy_phy_versioning(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - u32 tmp; - u8 analog_type; - u8 phy_type; - u8 phy_rev; - u16 radio_manuf; - u16 radio_ver; - u16 radio_rev; - int unsupported = 0; - - /* Get PHY versioning */ - tmp = b43legacy_read16(dev, B43legacy_MMIO_PHY_VER); - analog_type = (tmp & B43legacy_PHYVER_ANALOG) - >> B43legacy_PHYVER_ANALOG_SHIFT; - phy_type = (tmp & B43legacy_PHYVER_TYPE) >> B43legacy_PHYVER_TYPE_SHIFT; - phy_rev = (tmp & B43legacy_PHYVER_VERSION); - switch (phy_type) { - case B43legacy_PHYTYPE_B: - if (phy_rev != 2 && phy_rev != 4 - && phy_rev != 6 && phy_rev != 7) - unsupported = 1; - break; - case B43legacy_PHYTYPE_G: - if (phy_rev > 8) - unsupported = 1; - break; - default: - unsupported = 1; - } - if (unsupported) { - b43legacyerr(dev->wl, "FOUND UNSUPPORTED PHY " - "(Analog %u, Type %u, Revision %u)\n", - analog_type, phy_type, phy_rev); - return -EOPNOTSUPP; - } - b43legacydbg(dev->wl, "Found PHY: Analog %u, Type %u, Revision %u\n", - analog_type, phy_type, phy_rev); - - - /* Get RADIO versioning */ - if (dev->dev->bus->chip_id == 0x4317) { - if (dev->dev->bus->chip_rev == 0) - tmp = 0x3205017F; - else if (dev->dev->bus->chip_rev == 1) - tmp = 0x4205017F; - else - tmp = 0x5205017F; - } else { - b43legacy_write16(dev, B43legacy_MMIO_RADIO_CONTROL, - B43legacy_RADIOCTL_ID); - tmp = b43legacy_read16(dev, B43legacy_MMIO_RADIO_DATA_HIGH); - tmp <<= 16; - b43legacy_write16(dev, B43legacy_MMIO_RADIO_CONTROL, - B43legacy_RADIOCTL_ID); - tmp |= b43legacy_read16(dev, B43legacy_MMIO_RADIO_DATA_LOW); - } - radio_manuf = (tmp & 0x00000FFF); - radio_ver = (tmp & 0x0FFFF000) >> 12; - radio_rev = (tmp & 0xF0000000) >> 28; - switch (phy_type) { - case B43legacy_PHYTYPE_B: - if ((radio_ver & 0xFFF0) != 0x2050) - unsupported = 1; - break; - case B43legacy_PHYTYPE_G: - if (radio_ver != 0x2050) - unsupported = 1; - break; - default: - B43legacy_BUG_ON(1); - } - if (unsupported) { - b43legacyerr(dev->wl, "FOUND UNSUPPORTED RADIO " - "(Manuf 0x%X, Version 0x%X, Revision %u)\n", - radio_manuf, radio_ver, radio_rev); - return -EOPNOTSUPP; - } - b43legacydbg(dev->wl, "Found Radio: Manuf 0x%X, Version 0x%X," - " Revision %u\n", radio_manuf, radio_ver, radio_rev); - - - phy->radio_manuf = radio_manuf; - phy->radio_ver = radio_ver; - phy->radio_rev = radio_rev; - - phy->analog = analog_type; - phy->type = phy_type; - phy->rev = phy_rev; - - return 0; -} - -static void setup_struct_phy_for_init(struct b43legacy_wldev *dev, - struct b43legacy_phy *phy) -{ - struct b43legacy_lopair *lo; - int i; - - memset(phy->minlowsig, 0xFF, sizeof(phy->minlowsig)); - memset(phy->minlowsigpos, 0, sizeof(phy->minlowsigpos)); - - /* Assume the radio is enabled. If it's not enabled, the state will - * immediately get fixed on the first periodic work run. */ - dev->radio_hw_enable = true; - - phy->savedpctlreg = 0xFFFF; - phy->aci_enable = false; - phy->aci_wlan_automatic = false; - phy->aci_hw_rssi = false; - - lo = phy->_lo_pairs; - if (lo) - memset(lo, 0, sizeof(struct b43legacy_lopair) * - B43legacy_LO_COUNT); - phy->max_lb_gain = 0; - phy->trsw_rx_gain = 0; - - /* Set default attenuation values. */ - phy->bbatt = b43legacy_default_baseband_attenuation(dev); - phy->rfatt = b43legacy_default_radio_attenuation(dev); - phy->txctl1 = b43legacy_default_txctl1(dev); - phy->txpwr_offset = 0; - - /* NRSSI */ - phy->nrssislope = 0; - for (i = 0; i < ARRAY_SIZE(phy->nrssi); i++) - phy->nrssi[i] = -1000; - for (i = 0; i < ARRAY_SIZE(phy->nrssi_lt); i++) - phy->nrssi_lt[i] = i; - - phy->lofcal = 0xFFFF; - phy->initval = 0xFFFF; - - phy->interfmode = B43legacy_INTERFMODE_NONE; - phy->channel = 0xFF; -} - -static void setup_struct_wldev_for_init(struct b43legacy_wldev *dev) -{ - /* Flags */ - dev->dfq_valid = false; - - /* Stats */ - memset(&dev->stats, 0, sizeof(dev->stats)); - - setup_struct_phy_for_init(dev, &dev->phy); - - /* IRQ related flags */ - dev->irq_reason = 0; - memset(dev->dma_reason, 0, sizeof(dev->dma_reason)); - dev->irq_mask = B43legacy_IRQ_MASKTEMPLATE; - - dev->mac_suspended = 1; - - /* Noise calculation context */ - memset(&dev->noisecalc, 0, sizeof(dev->noisecalc)); -} - -static void b43legacy_set_synth_pu_delay(struct b43legacy_wldev *dev, - bool idle) { - u16 pu_delay = 1050; - - if (b43legacy_is_mode(dev->wl, NL80211_IFTYPE_ADHOC) || idle) - pu_delay = 500; - if ((dev->phy.radio_ver == 0x2050) && (dev->phy.radio_rev == 8)) - pu_delay = max(pu_delay, (u16)2400); - - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, - B43legacy_SHM_SH_SPUWKUP, pu_delay); -} - -/* Set the TSF CFP pre-TargetBeaconTransmissionTime. */ -static void b43legacy_set_pretbtt(struct b43legacy_wldev *dev) -{ - u16 pretbtt; - - /* The time value is in microseconds. */ - if (b43legacy_is_mode(dev->wl, NL80211_IFTYPE_ADHOC)) - pretbtt = 2; - else - pretbtt = 250; - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, - B43legacy_SHM_SH_PRETBTT, pretbtt); - b43legacy_write16(dev, B43legacy_MMIO_TSF_CFP_PRETBTT, pretbtt); -} - -/* Shutdown a wireless core */ -/* Locking: wl->mutex */ -static void b43legacy_wireless_core_exit(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - u32 macctl; - - B43legacy_WARN_ON(b43legacy_status(dev) > B43legacy_STAT_INITIALIZED); - if (b43legacy_status(dev) != B43legacy_STAT_INITIALIZED) - return; - b43legacy_set_status(dev, B43legacy_STAT_UNINIT); - - /* Stop the microcode PSM. */ - macctl = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); - macctl &= ~B43legacy_MACCTL_PSM_RUN; - macctl |= B43legacy_MACCTL_PSM_JMP0; - b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl); - - b43legacy_leds_exit(dev); - b43legacy_rng_exit(dev->wl); - b43legacy_pio_free(dev); - b43legacy_dma_free(dev); - b43legacy_chip_exit(dev); - b43legacy_radio_turn_off(dev, 1); - b43legacy_switch_analog(dev, 0); - if (phy->dyn_tssi_tbl) - kfree(phy->tssi2dbm); - kfree(phy->lo_control); - phy->lo_control = NULL; - if (dev->wl->current_beacon) { - dev_kfree_skb_any(dev->wl->current_beacon); - dev->wl->current_beacon = NULL; - } - - ssb_device_disable(dev->dev, 0); - ssb_bus_may_powerdown(dev->dev->bus); -} - -static void prepare_phy_data_for_init(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - int i; - - /* Set default attenuation values. */ - phy->bbatt = b43legacy_default_baseband_attenuation(dev); - phy->rfatt = b43legacy_default_radio_attenuation(dev); - phy->txctl1 = b43legacy_default_txctl1(dev); - phy->txctl2 = 0xFFFF; - phy->txpwr_offset = 0; - - /* NRSSI */ - phy->nrssislope = 0; - for (i = 0; i < ARRAY_SIZE(phy->nrssi); i++) - phy->nrssi[i] = -1000; - for (i = 0; i < ARRAY_SIZE(phy->nrssi_lt); i++) - phy->nrssi_lt[i] = i; - - phy->lofcal = 0xFFFF; - phy->initval = 0xFFFF; - - phy->aci_enable = false; - phy->aci_wlan_automatic = false; - phy->aci_hw_rssi = false; - - phy->antenna_diversity = 0xFFFF; - memset(phy->minlowsig, 0xFF, sizeof(phy->minlowsig)); - memset(phy->minlowsigpos, 0, sizeof(phy->minlowsigpos)); - - /* Flags */ - phy->calibrated = 0; - - if (phy->_lo_pairs) - memset(phy->_lo_pairs, 0, - sizeof(struct b43legacy_lopair) * B43legacy_LO_COUNT); - memset(phy->loopback_gain, 0, sizeof(phy->loopback_gain)); -} - -/* Initialize a wireless core */ -static int b43legacy_wireless_core_init(struct b43legacy_wldev *dev) -{ - struct b43legacy_wl *wl = dev->wl; - struct ssb_bus *bus = dev->dev->bus; - struct b43legacy_phy *phy = &dev->phy; - struct ssb_sprom *sprom = &dev->dev->bus->sprom; - int err; - u32 hf; - u32 tmp; - - B43legacy_WARN_ON(b43legacy_status(dev) != B43legacy_STAT_UNINIT); - - err = ssb_bus_powerup(bus, 0); - if (err) - goto out; - if (!ssb_device_is_enabled(dev->dev)) { - tmp = phy->gmode ? B43legacy_TMSLOW_GMODE : 0; - b43legacy_wireless_core_reset(dev, tmp); - } - - if ((phy->type == B43legacy_PHYTYPE_B) || - (phy->type == B43legacy_PHYTYPE_G)) { - phy->_lo_pairs = kzalloc(sizeof(struct b43legacy_lopair) - * B43legacy_LO_COUNT, - GFP_KERNEL); - if (!phy->_lo_pairs) - return -ENOMEM; - } - setup_struct_wldev_for_init(dev); - - err = b43legacy_phy_init_tssi2dbm_table(dev); - if (err) - goto err_kfree_lo_control; - - /* Enable IRQ routing to this device. */ - ssb_pcicore_dev_irqvecs_enable(&bus->pcicore, dev->dev); - - prepare_phy_data_for_init(dev); - b43legacy_phy_calibrate(dev); - err = b43legacy_chip_init(dev); - if (err) - goto err_kfree_tssitbl; - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, - B43legacy_SHM_SH_WLCOREREV, - dev->dev->id.revision); - hf = b43legacy_hf_read(dev); - if (phy->type == B43legacy_PHYTYPE_G) { - hf |= B43legacy_HF_SYMW; - if (phy->rev == 1) - hf |= B43legacy_HF_GDCW; - if (sprom->boardflags_lo & B43legacy_BFL_PACTRL) - hf |= B43legacy_HF_OFDMPABOOST; - } else if (phy->type == B43legacy_PHYTYPE_B) { - hf |= B43legacy_HF_SYMW; - if (phy->rev >= 2 && phy->radio_ver == 0x2050) - hf &= ~B43legacy_HF_GDCW; - } - b43legacy_hf_write(dev, hf); - - b43legacy_set_retry_limits(dev, - B43legacy_DEFAULT_SHORT_RETRY_LIMIT, - B43legacy_DEFAULT_LONG_RETRY_LIMIT); - - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, - 0x0044, 3); - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, - 0x0046, 2); - - /* Disable sending probe responses from firmware. - * Setting the MaxTime to one usec will always trigger - * a timeout, so we never send any probe resp. - * A timeout of zero is infinite. */ - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, - B43legacy_SHM_SH_PRMAXTIME, 1); - - b43legacy_rate_memory_init(dev); - - /* Minimum Contention Window */ - if (phy->type == B43legacy_PHYTYPE_B) - b43legacy_shm_write16(dev, B43legacy_SHM_WIRELESS, - 0x0003, 31); - else - b43legacy_shm_write16(dev, B43legacy_SHM_WIRELESS, - 0x0003, 15); - /* Maximum Contention Window */ - b43legacy_shm_write16(dev, B43legacy_SHM_WIRELESS, - 0x0004, 1023); - - do { - if (b43legacy_using_pio(dev)) - err = b43legacy_pio_init(dev); - else { - err = b43legacy_dma_init(dev); - if (!err) - b43legacy_qos_init(dev); - } - } while (err == -EAGAIN); - if (err) - goto err_chip_exit; - - b43legacy_set_synth_pu_delay(dev, 1); - - ssb_bus_powerup(bus, 1); /* Enable dynamic PCTL */ - b43legacy_upload_card_macaddress(dev); - b43legacy_security_init(dev); - b43legacy_rng_init(wl); - - ieee80211_wake_queues(dev->wl->hw); - b43legacy_set_status(dev, B43legacy_STAT_INITIALIZED); - - b43legacy_leds_init(dev); -out: - return err; - -err_chip_exit: - b43legacy_chip_exit(dev); -err_kfree_tssitbl: - if (phy->dyn_tssi_tbl) - kfree(phy->tssi2dbm); -err_kfree_lo_control: - kfree(phy->lo_control); - phy->lo_control = NULL; - ssb_bus_may_powerdown(bus); - B43legacy_WARN_ON(b43legacy_status(dev) != B43legacy_STAT_UNINIT); - return err; -} - -static int b43legacy_op_add_interface(struct ieee80211_hw *hw, - struct ieee80211_vif *vif) -{ - struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw); - struct b43legacy_wldev *dev; - unsigned long flags; - int err = -EOPNOTSUPP; - - /* TODO: allow WDS/AP devices to coexist */ - - if (vif->type != NL80211_IFTYPE_AP && - vif->type != NL80211_IFTYPE_STATION && - vif->type != NL80211_IFTYPE_WDS && - vif->type != NL80211_IFTYPE_ADHOC) - return -EOPNOTSUPP; - - mutex_lock(&wl->mutex); - if (wl->operating) - goto out_mutex_unlock; - - b43legacydbg(wl, "Adding Interface type %d\n", vif->type); - - dev = wl->current_dev; - wl->operating = true; - wl->vif = vif; - wl->if_type = vif->type; - memcpy(wl->mac_addr, vif->addr, ETH_ALEN); - - spin_lock_irqsave(&wl->irq_lock, flags); - b43legacy_adjust_opmode(dev); - b43legacy_set_pretbtt(dev); - b43legacy_set_synth_pu_delay(dev, 0); - b43legacy_upload_card_macaddress(dev); - spin_unlock_irqrestore(&wl->irq_lock, flags); - - err = 0; - out_mutex_unlock: - mutex_unlock(&wl->mutex); - - return err; -} - -static void b43legacy_op_remove_interface(struct ieee80211_hw *hw, - struct ieee80211_vif *vif) -{ - struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw); - struct b43legacy_wldev *dev = wl->current_dev; - unsigned long flags; - - b43legacydbg(wl, "Removing Interface type %d\n", vif->type); - - mutex_lock(&wl->mutex); - - B43legacy_WARN_ON(!wl->operating); - B43legacy_WARN_ON(wl->vif != vif); - wl->vif = NULL; - - wl->operating = false; - - spin_lock_irqsave(&wl->irq_lock, flags); - b43legacy_adjust_opmode(dev); - eth_zero_addr(wl->mac_addr); - b43legacy_upload_card_macaddress(dev); - spin_unlock_irqrestore(&wl->irq_lock, flags); - - mutex_unlock(&wl->mutex); -} - -static int b43legacy_op_start(struct ieee80211_hw *hw) -{ - struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw); - struct b43legacy_wldev *dev = wl->current_dev; - int did_init = 0; - int err = 0; - - /* Kill all old instance specific information to make sure - * the card won't use it in the short timeframe between start - * and mac80211 reconfiguring it. */ - eth_zero_addr(wl->bssid); - eth_zero_addr(wl->mac_addr); - wl->filter_flags = 0; - wl->beacon0_uploaded = false; - wl->beacon1_uploaded = false; - wl->beacon_templates_virgin = true; - wl->radio_enabled = true; - - mutex_lock(&wl->mutex); - - if (b43legacy_status(dev) < B43legacy_STAT_INITIALIZED) { - err = b43legacy_wireless_core_init(dev); - if (err) - goto out_mutex_unlock; - did_init = 1; - } - - if (b43legacy_status(dev) < B43legacy_STAT_STARTED) { - err = b43legacy_wireless_core_start(dev); - if (err) { - if (did_init) - b43legacy_wireless_core_exit(dev); - goto out_mutex_unlock; - } - } - - wiphy_rfkill_start_polling(hw->wiphy); - -out_mutex_unlock: - mutex_unlock(&wl->mutex); - - return err; -} - -static void b43legacy_op_stop(struct ieee80211_hw *hw) -{ - struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw); - struct b43legacy_wldev *dev = wl->current_dev; - - cancel_work_sync(&(wl->beacon_update_trigger)); - - mutex_lock(&wl->mutex); - if (b43legacy_status(dev) >= B43legacy_STAT_STARTED) - b43legacy_wireless_core_stop(dev); - b43legacy_wireless_core_exit(dev); - wl->radio_enabled = false; - mutex_unlock(&wl->mutex); -} - -static int b43legacy_op_beacon_set_tim(struct ieee80211_hw *hw, - struct ieee80211_sta *sta, bool set) -{ - struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw); - unsigned long flags; - - spin_lock_irqsave(&wl->irq_lock, flags); - b43legacy_update_templates(wl); - spin_unlock_irqrestore(&wl->irq_lock, flags); - - return 0; -} - -static int b43legacy_op_get_survey(struct ieee80211_hw *hw, int idx, - struct survey_info *survey) -{ - struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw); - struct b43legacy_wldev *dev = wl->current_dev; - struct ieee80211_conf *conf = &hw->conf; - - if (idx != 0) - return -ENOENT; - - survey->channel = conf->chandef.chan; - survey->filled = SURVEY_INFO_NOISE_DBM; - survey->noise = dev->stats.link_noise; - - return 0; -} - -static const struct ieee80211_ops b43legacy_hw_ops = { - .tx = b43legacy_op_tx, - .conf_tx = b43legacy_op_conf_tx, - .add_interface = b43legacy_op_add_interface, - .remove_interface = b43legacy_op_remove_interface, - .config = b43legacy_op_dev_config, - .bss_info_changed = b43legacy_op_bss_info_changed, - .configure_filter = b43legacy_op_configure_filter, - .get_stats = b43legacy_op_get_stats, - .start = b43legacy_op_start, - .stop = b43legacy_op_stop, - .set_tim = b43legacy_op_beacon_set_tim, - .get_survey = b43legacy_op_get_survey, - .rfkill_poll = b43legacy_rfkill_poll, -}; - -/* Hard-reset the chip. Do not call this directly. - * Use b43legacy_controller_restart() - */ -static void b43legacy_chip_reset(struct work_struct *work) -{ - struct b43legacy_wldev *dev = - container_of(work, struct b43legacy_wldev, restart_work); - struct b43legacy_wl *wl = dev->wl; - int err = 0; - int prev_status; - - mutex_lock(&wl->mutex); - - prev_status = b43legacy_status(dev); - /* Bring the device down... */ - if (prev_status >= B43legacy_STAT_STARTED) - b43legacy_wireless_core_stop(dev); - if (prev_status >= B43legacy_STAT_INITIALIZED) - b43legacy_wireless_core_exit(dev); - - /* ...and up again. */ - if (prev_status >= B43legacy_STAT_INITIALIZED) { - err = b43legacy_wireless_core_init(dev); - if (err) - goto out; - } - if (prev_status >= B43legacy_STAT_STARTED) { - err = b43legacy_wireless_core_start(dev); - if (err) { - b43legacy_wireless_core_exit(dev); - goto out; - } - } -out: - if (err) - wl->current_dev = NULL; /* Failed to init the dev. */ - mutex_unlock(&wl->mutex); - if (err) - b43legacyerr(wl, "Controller restart FAILED\n"); - else - b43legacyinfo(wl, "Controller restarted\n"); -} - -static int b43legacy_setup_modes(struct b43legacy_wldev *dev, - int have_bphy, - int have_gphy) -{ - struct ieee80211_hw *hw = dev->wl->hw; - struct b43legacy_phy *phy = &dev->phy; - - phy->possible_phymodes = 0; - if (have_bphy) { - hw->wiphy->bands[IEEE80211_BAND_2GHZ] = - &b43legacy_band_2GHz_BPHY; - phy->possible_phymodes |= B43legacy_PHYMODE_B; - } - - if (have_gphy) { - hw->wiphy->bands[IEEE80211_BAND_2GHZ] = - &b43legacy_band_2GHz_GPHY; - phy->possible_phymodes |= B43legacy_PHYMODE_G; - } - - return 0; -} - -static void b43legacy_wireless_core_detach(struct b43legacy_wldev *dev) -{ - /* We release firmware that late to not be required to re-request - * is all the time when we reinit the core. */ - b43legacy_release_firmware(dev); -} - -static int b43legacy_wireless_core_attach(struct b43legacy_wldev *dev) -{ - struct b43legacy_wl *wl = dev->wl; - struct ssb_bus *bus = dev->dev->bus; - struct pci_dev *pdev = (bus->bustype == SSB_BUSTYPE_PCI) ? bus->host_pci : NULL; - int err; - int have_bphy = 0; - int have_gphy = 0; - u32 tmp; - - /* Do NOT do any device initialization here. - * Do it in wireless_core_init() instead. - * This function is for gathering basic information about the HW, only. - * Also some structs may be set up here. But most likely you want to - * have that in core_init(), too. - */ - - err = ssb_bus_powerup(bus, 0); - if (err) { - b43legacyerr(wl, "Bus powerup failed\n"); - goto out; - } - /* Get the PHY type. */ - if (dev->dev->id.revision >= 5) { - u32 tmshigh; - - tmshigh = ssb_read32(dev->dev, SSB_TMSHIGH); - have_gphy = !!(tmshigh & B43legacy_TMSHIGH_GPHY); - if (!have_gphy) - have_bphy = 1; - } else if (dev->dev->id.revision == 4) - have_gphy = 1; - else - have_bphy = 1; - - dev->phy.gmode = (have_gphy || have_bphy); - dev->phy.radio_on = true; - tmp = dev->phy.gmode ? B43legacy_TMSLOW_GMODE : 0; - b43legacy_wireless_core_reset(dev, tmp); - - err = b43legacy_phy_versioning(dev); - if (err) - goto err_powerdown; - /* Check if this device supports multiband. */ - if (!pdev || - (pdev->device != 0x4312 && - pdev->device != 0x4319 && - pdev->device != 0x4324)) { - /* No multiband support. */ - have_bphy = 0; - have_gphy = 0; - switch (dev->phy.type) { - case B43legacy_PHYTYPE_B: - have_bphy = 1; - break; - case B43legacy_PHYTYPE_G: - have_gphy = 1; - break; - default: - B43legacy_BUG_ON(1); - } - } - dev->phy.gmode = (have_gphy || have_bphy); - tmp = dev->phy.gmode ? B43legacy_TMSLOW_GMODE : 0; - b43legacy_wireless_core_reset(dev, tmp); - - err = b43legacy_validate_chipaccess(dev); - if (err) - goto err_powerdown; - err = b43legacy_setup_modes(dev, have_bphy, have_gphy); - if (err) - goto err_powerdown; - - /* Now set some default "current_dev" */ - if (!wl->current_dev) - wl->current_dev = dev; - INIT_WORK(&dev->restart_work, b43legacy_chip_reset); - - b43legacy_radio_turn_off(dev, 1); - b43legacy_switch_analog(dev, 0); - ssb_device_disable(dev->dev, 0); - ssb_bus_may_powerdown(bus); - -out: - return err; - -err_powerdown: - ssb_bus_may_powerdown(bus); - return err; -} - -static void b43legacy_one_core_detach(struct ssb_device *dev) -{ - struct b43legacy_wldev *wldev; - struct b43legacy_wl *wl; - - /* Do not cancel ieee80211-workqueue based work here. - * See comment in b43legacy_remove(). */ - - wldev = ssb_get_drvdata(dev); - wl = wldev->wl; - b43legacy_debugfs_remove_device(wldev); - b43legacy_wireless_core_detach(wldev); - list_del(&wldev->list); - wl->nr_devs--; - ssb_set_drvdata(dev, NULL); - kfree(wldev); -} - -static int b43legacy_one_core_attach(struct ssb_device *dev, - struct b43legacy_wl *wl) -{ - struct b43legacy_wldev *wldev; - int err = -ENOMEM; - - wldev = kzalloc(sizeof(*wldev), GFP_KERNEL); - if (!wldev) - goto out; - - wldev->dev = dev; - wldev->wl = wl; - b43legacy_set_status(wldev, B43legacy_STAT_UNINIT); - wldev->bad_frames_preempt = modparam_bad_frames_preempt; - tasklet_init(&wldev->isr_tasklet, - (void (*)(unsigned long))b43legacy_interrupt_tasklet, - (unsigned long)wldev); - if (modparam_pio) - wldev->__using_pio = true; - INIT_LIST_HEAD(&wldev->list); - - err = b43legacy_wireless_core_attach(wldev); - if (err) - goto err_kfree_wldev; - - list_add(&wldev->list, &wl->devlist); - wl->nr_devs++; - ssb_set_drvdata(dev, wldev); - b43legacy_debugfs_add_device(wldev); -out: - return err; - -err_kfree_wldev: - kfree(wldev); - return err; -} - -static void b43legacy_sprom_fixup(struct ssb_bus *bus) -{ - /* boardflags workarounds */ - if (bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE && - bus->boardinfo.type == 0x4E && - bus->sprom.board_rev > 0x40) - bus->sprom.boardflags_lo |= B43legacy_BFL_PACTRL; -} - -static void b43legacy_wireless_exit(struct ssb_device *dev, - struct b43legacy_wl *wl) -{ - struct ieee80211_hw *hw = wl->hw; - - ssb_set_devtypedata(dev, NULL); - ieee80211_free_hw(hw); -} - -static int b43legacy_wireless_init(struct ssb_device *dev) -{ - struct ssb_sprom *sprom = &dev->bus->sprom; - struct ieee80211_hw *hw; - struct b43legacy_wl *wl; - int err = -ENOMEM; - int queue_num; - - b43legacy_sprom_fixup(dev->bus); - - hw = ieee80211_alloc_hw(sizeof(*wl), &b43legacy_hw_ops); - if (!hw) { - b43legacyerr(NULL, "Could not allocate ieee80211 device\n"); - goto out; - } - - /* fill hw info */ - ieee80211_hw_set(hw, RX_INCLUDES_FCS); - ieee80211_hw_set(hw, SIGNAL_DBM); - - hw->wiphy->interface_modes = - BIT(NL80211_IFTYPE_AP) | - BIT(NL80211_IFTYPE_STATION) | - BIT(NL80211_IFTYPE_WDS) | - BIT(NL80211_IFTYPE_ADHOC); - hw->queues = 1; /* FIXME: hardware has more queues */ - hw->max_rates = 2; - SET_IEEE80211_DEV(hw, dev->dev); - if (is_valid_ether_addr(sprom->et1mac)) - SET_IEEE80211_PERM_ADDR(hw, sprom->et1mac); - else - SET_IEEE80211_PERM_ADDR(hw, sprom->il0mac); - - /* Get and initialize struct b43legacy_wl */ - wl = hw_to_b43legacy_wl(hw); - memset(wl, 0, sizeof(*wl)); - wl->hw = hw; - spin_lock_init(&wl->irq_lock); - spin_lock_init(&wl->leds_lock); - mutex_init(&wl->mutex); - INIT_LIST_HEAD(&wl->devlist); - INIT_WORK(&wl->beacon_update_trigger, b43legacy_beacon_update_trigger_work); - INIT_WORK(&wl->tx_work, b43legacy_tx_work); - - /* Initialize queues and flags. */ - for (queue_num = 0; queue_num < B43legacy_QOS_QUEUE_NUM; queue_num++) { - skb_queue_head_init(&wl->tx_queue[queue_num]); - wl->tx_queue_stopped[queue_num] = 0; - } - - ssb_set_devtypedata(dev, wl); - b43legacyinfo(wl, "Broadcom %04X WLAN found (core revision %u)\n", - dev->bus->chip_id, dev->id.revision); - err = 0; -out: - return err; -} - -static int b43legacy_probe(struct ssb_device *dev, - const struct ssb_device_id *id) -{ - struct b43legacy_wl *wl; - int err; - int first = 0; - - wl = ssb_get_devtypedata(dev); - if (!wl) { - /* Probing the first core - setup common struct b43legacy_wl */ - first = 1; - err = b43legacy_wireless_init(dev); - if (err) - goto out; - wl = ssb_get_devtypedata(dev); - B43legacy_WARN_ON(!wl); - } - err = b43legacy_one_core_attach(dev, wl); - if (err) - goto err_wireless_exit; - - /* setup and start work to load firmware */ - INIT_WORK(&wl->firmware_load, b43legacy_request_firmware); - schedule_work(&wl->firmware_load); - -out: - return err; - -err_wireless_exit: - if (first) - b43legacy_wireless_exit(dev, wl); - return err; -} - -static void b43legacy_remove(struct ssb_device *dev) -{ - struct b43legacy_wl *wl = ssb_get_devtypedata(dev); - struct b43legacy_wldev *wldev = ssb_get_drvdata(dev); - - /* We must cancel any work here before unregistering from ieee80211, - * as the ieee80211 unreg will destroy the workqueue. */ - cancel_work_sync(&wldev->restart_work); - cancel_work_sync(&wl->firmware_load); - complete(&wldev->fw_load_complete); - - B43legacy_WARN_ON(!wl); - if (!wldev->fw.ucode) - return; /* NULL if fw never loaded */ - if (wl->current_dev == wldev) - ieee80211_unregister_hw(wl->hw); - - b43legacy_one_core_detach(dev); - - if (list_empty(&wl->devlist)) - /* Last core on the chip unregistered. - * We can destroy common struct b43legacy_wl. - */ - b43legacy_wireless_exit(dev, wl); -} - -/* Perform a hardware reset. This can be called from any context. */ -void b43legacy_controller_restart(struct b43legacy_wldev *dev, - const char *reason) -{ - /* Must avoid requeueing, if we are in shutdown. */ - if (b43legacy_status(dev) < B43legacy_STAT_INITIALIZED) - return; - b43legacyinfo(dev->wl, "Controller RESET (%s) ...\n", reason); - ieee80211_queue_work(dev->wl->hw, &dev->restart_work); -} - -#ifdef CONFIG_PM - -static int b43legacy_suspend(struct ssb_device *dev, pm_message_t state) -{ - struct b43legacy_wldev *wldev = ssb_get_drvdata(dev); - struct b43legacy_wl *wl = wldev->wl; - - b43legacydbg(wl, "Suspending...\n"); - - mutex_lock(&wl->mutex); - wldev->suspend_init_status = b43legacy_status(wldev); - if (wldev->suspend_init_status >= B43legacy_STAT_STARTED) - b43legacy_wireless_core_stop(wldev); - if (wldev->suspend_init_status >= B43legacy_STAT_INITIALIZED) - b43legacy_wireless_core_exit(wldev); - mutex_unlock(&wl->mutex); - - b43legacydbg(wl, "Device suspended.\n"); - - return 0; -} - -static int b43legacy_resume(struct ssb_device *dev) -{ - struct b43legacy_wldev *wldev = ssb_get_drvdata(dev); - struct b43legacy_wl *wl = wldev->wl; - int err = 0; - - b43legacydbg(wl, "Resuming...\n"); - - mutex_lock(&wl->mutex); - if (wldev->suspend_init_status >= B43legacy_STAT_INITIALIZED) { - err = b43legacy_wireless_core_init(wldev); - if (err) { - b43legacyerr(wl, "Resume failed at core init\n"); - goto out; - } - } - if (wldev->suspend_init_status >= B43legacy_STAT_STARTED) { - err = b43legacy_wireless_core_start(wldev); - if (err) { - b43legacy_wireless_core_exit(wldev); - b43legacyerr(wl, "Resume failed at core start\n"); - goto out; - } - } - - b43legacydbg(wl, "Device resumed.\n"); -out: - mutex_unlock(&wl->mutex); - return err; -} - -#else /* CONFIG_PM */ -# define b43legacy_suspend NULL -# define b43legacy_resume NULL -#endif /* CONFIG_PM */ - -static struct ssb_driver b43legacy_ssb_driver = { - .name = KBUILD_MODNAME, - .id_table = b43legacy_ssb_tbl, - .probe = b43legacy_probe, - .remove = b43legacy_remove, - .suspend = b43legacy_suspend, - .resume = b43legacy_resume, -}; - -static void b43legacy_print_driverinfo(void) -{ - const char *feat_pci = "", *feat_leds = "", - *feat_pio = "", *feat_dma = ""; - -#ifdef CONFIG_B43LEGACY_PCI_AUTOSELECT - feat_pci = "P"; -#endif -#ifdef CONFIG_B43LEGACY_LEDS - feat_leds = "L"; -#endif -#ifdef CONFIG_B43LEGACY_PIO - feat_pio = "I"; -#endif -#ifdef CONFIG_B43LEGACY_DMA - feat_dma = "D"; -#endif - printk(KERN_INFO "Broadcom 43xx-legacy driver loaded " - "[ Features: %s%s%s%s ]\n", - feat_pci, feat_leds, feat_pio, feat_dma); -} - -static int __init b43legacy_init(void) -{ - int err; - - b43legacy_debugfs_init(); - - err = ssb_driver_register(&b43legacy_ssb_driver); - if (err) - goto err_dfs_exit; - - b43legacy_print_driverinfo(); - - return err; - -err_dfs_exit: - b43legacy_debugfs_exit(); - return err; -} - -static void __exit b43legacy_exit(void) -{ - ssb_driver_unregister(&b43legacy_ssb_driver); - b43legacy_debugfs_exit(); -} - -module_init(b43legacy_init) -module_exit(b43legacy_exit) diff --git a/drivers/net/wireless/b43legacy/main.h b/drivers/net/wireless/b43legacy/main.h deleted file mode 100644 index b74a058d7..000000000 --- a/drivers/net/wireless/b43legacy/main.h +++ /dev/null @@ -1,127 +0,0 @@ -/* - - Broadcom B43legacy wireless driver - - Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, - Copyright (c) 2005 Stefano Brivio <stefano.brivio@polimi.it> - Copyright (c) 2005, 2006 Michael Buesch <m@bues.ch> - Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org> - Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch> - Copyright (c) 2007 Larry Finger <Larry.Finger@lwfinger.net> - - Some parts of the code in this file are derived from the ipw2200 - driver Copyright(c) 2003 - 2004 Intel Corporation. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#ifndef B43legacy_MAIN_H_ -#define B43legacy_MAIN_H_ - -#include "b43legacy.h" - - -#define P4D_BYT3S(magic, nr_bytes) u8 __p4dding##magic[nr_bytes] -#define P4D_BYTES(line, nr_bytes) P4D_BYT3S(line, nr_bytes) -/* Magic helper macro to pad structures. Ignore those above. It's magic. */ -#define PAD_BYTES(nr_bytes) P4D_BYTES(__LINE__ , (nr_bytes)) - - -/* Lightweight function to convert a frequency (in Mhz) to a channel number. */ -static inline -u8 b43legacy_freq_to_channel_bg(int freq) -{ - u8 channel; - - if (freq == 2484) - channel = 14; - else - channel = (freq - 2407) / 5; - - return channel; -} -static inline -u8 b43legacy_freq_to_channel(struct b43legacy_wldev *dev, - int freq) -{ - return b43legacy_freq_to_channel_bg(freq); -} - -/* Lightweight function to convert a channel number to a frequency (in Mhz). */ -static inline -int b43legacy_channel_to_freq_bg(u8 channel) -{ - int freq; - - if (channel == 14) - freq = 2484; - else - freq = 2407 + (5 * channel); - - return freq; -} - -static inline -int b43legacy_channel_to_freq(struct b43legacy_wldev *dev, - u8 channel) -{ - return b43legacy_channel_to_freq_bg(channel); -} - -static inline -int b43legacy_is_cck_rate(int rate) -{ - return (rate == B43legacy_CCK_RATE_1MB || - rate == B43legacy_CCK_RATE_2MB || - rate == B43legacy_CCK_RATE_5MB || - rate == B43legacy_CCK_RATE_11MB); -} - -static inline -int b43legacy_is_ofdm_rate(int rate) -{ - return !b43legacy_is_cck_rate(rate); -} - -void b43legacy_tsf_read(struct b43legacy_wldev *dev, u64 *tsf); -void b43legacy_tsf_write(struct b43legacy_wldev *dev, u64 tsf); - -u32 b43legacy_shm_read32(struct b43legacy_wldev *dev, - u16 routing, u16 offset); -u16 b43legacy_shm_read16(struct b43legacy_wldev *dev, - u16 routing, u16 offset); -void b43legacy_shm_write32(struct b43legacy_wldev *dev, - u16 routing, u16 offset, - u32 value); -void b43legacy_shm_write16(struct b43legacy_wldev *dev, - u16 routing, u16 offset, - u16 value); - -u32 b43legacy_hf_read(struct b43legacy_wldev *dev); -void b43legacy_hf_write(struct b43legacy_wldev *dev, u32 value); - -void b43legacy_dummy_transmission(struct b43legacy_wldev *dev); - -void b43legacy_wireless_core_reset(struct b43legacy_wldev *dev, u32 flags); - -void b43legacy_mac_suspend(struct b43legacy_wldev *dev); -void b43legacy_mac_enable(struct b43legacy_wldev *dev); - -void b43legacy_controller_restart(struct b43legacy_wldev *dev, - const char *reason); - -#endif /* B43legacy_MAIN_H_ */ diff --git a/drivers/net/wireless/b43legacy/phy.c b/drivers/net/wireless/b43legacy/phy.c deleted file mode 100644 index 995c7d0c2..000000000 --- a/drivers/net/wireless/b43legacy/phy.c +++ /dev/null @@ -1,2258 +0,0 @@ -/* - - Broadcom B43legacy wireless driver - - Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, - Stefano Brivio <stefano.brivio@polimi.it> - Michael Buesch <m@bues.ch> - Danny van Dyk <kugelfang@gentoo.org> - Andreas Jaggi <andreas.jaggi@waterwave.ch> - Copyright (c) 2007 Larry Finger <Larry.Finger@lwfinger.net> - - Some parts of the code in this file are derived from the ipw2200 - driver Copyright(c) 2003 - 2004 Intel Corporation. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include <linux/delay.h> -#include <linux/pci.h> -#include <linux/sched.h> -#include <linux/slab.h> -#include <linux/types.h> - -#include "b43legacy.h" -#include "phy.h" -#include "main.h" -#include "radio.h" -#include "ilt.h" - - -static const s8 b43legacy_tssi2dbm_b_table[] = { - 0x4D, 0x4C, 0x4B, 0x4A, - 0x4A, 0x49, 0x48, 0x47, - 0x47, 0x46, 0x45, 0x45, - 0x44, 0x43, 0x42, 0x42, - 0x41, 0x40, 0x3F, 0x3E, - 0x3D, 0x3C, 0x3B, 0x3A, - 0x39, 0x38, 0x37, 0x36, - 0x35, 0x34, 0x32, 0x31, - 0x30, 0x2F, 0x2D, 0x2C, - 0x2B, 0x29, 0x28, 0x26, - 0x25, 0x23, 0x21, 0x1F, - 0x1D, 0x1A, 0x17, 0x14, - 0x10, 0x0C, 0x06, 0x00, - -7, -7, -7, -7, - -7, -7, -7, -7, - -7, -7, -7, -7, -}; - -static const s8 b43legacy_tssi2dbm_g_table[] = { - 77, 77, 77, 76, - 76, 76, 75, 75, - 74, 74, 73, 73, - 73, 72, 72, 71, - 71, 70, 70, 69, - 68, 68, 67, 67, - 66, 65, 65, 64, - 63, 63, 62, 61, - 60, 59, 58, 57, - 56, 55, 54, 53, - 52, 50, 49, 47, - 45, 43, 40, 37, - 33, 28, 22, 14, - 5, -7, -20, -20, - -20, -20, -20, -20, - -20, -20, -20, -20, -}; - -static void b43legacy_phy_initg(struct b43legacy_wldev *dev); - - -static inline -void b43legacy_voluntary_preempt(void) -{ - B43legacy_BUG_ON(!(!in_atomic() && !in_irq() && - !in_interrupt() && !irqs_disabled())); -#ifndef CONFIG_PREEMPT - cond_resched(); -#endif /* CONFIG_PREEMPT */ -} - -/* Lock the PHY registers against concurrent access from the microcode. - * This lock is nonrecursive. */ -void b43legacy_phy_lock(struct b43legacy_wldev *dev) -{ -#if B43legacy_DEBUG - B43legacy_WARN_ON(dev->phy.phy_locked); - dev->phy.phy_locked = 1; -#endif - - if (dev->dev->id.revision < 3) { - b43legacy_mac_suspend(dev); - } else { - if (!b43legacy_is_mode(dev->wl, NL80211_IFTYPE_AP)) - b43legacy_power_saving_ctl_bits(dev, -1, 1); - } -} - -void b43legacy_phy_unlock(struct b43legacy_wldev *dev) -{ -#if B43legacy_DEBUG - B43legacy_WARN_ON(!dev->phy.phy_locked); - dev->phy.phy_locked = 0; -#endif - - if (dev->dev->id.revision < 3) { - b43legacy_mac_enable(dev); - } else { - if (!b43legacy_is_mode(dev->wl, NL80211_IFTYPE_AP)) - b43legacy_power_saving_ctl_bits(dev, -1, -1); - } -} - -u16 b43legacy_phy_read(struct b43legacy_wldev *dev, u16 offset) -{ - b43legacy_write16(dev, B43legacy_MMIO_PHY_CONTROL, offset); - return b43legacy_read16(dev, B43legacy_MMIO_PHY_DATA); -} - -void b43legacy_phy_write(struct b43legacy_wldev *dev, u16 offset, u16 val) -{ - b43legacy_write16(dev, B43legacy_MMIO_PHY_CONTROL, offset); - mmiowb(); - b43legacy_write16(dev, B43legacy_MMIO_PHY_DATA, val); -} - -void b43legacy_phy_calibrate(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - - b43legacy_read32(dev, B43legacy_MMIO_MACCTL); /* Dummy read. */ - if (phy->calibrated) - return; - if (phy->type == B43legacy_PHYTYPE_G && phy->rev == 1) { - b43legacy_wireless_core_reset(dev, 0); - b43legacy_phy_initg(dev); - b43legacy_wireless_core_reset(dev, B43legacy_TMSLOW_GMODE); - } - phy->calibrated = 1; -} - -/* initialize B PHY power control - * as described in http://bcm-specs.sipsolutions.net/InitPowerControl - */ -static void b43legacy_phy_init_pctl(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 saved_batt = 0; - u16 saved_ratt = 0; - u16 saved_txctl1 = 0; - int must_reset_txpower = 0; - - B43legacy_BUG_ON(!(phy->type == B43legacy_PHYTYPE_B || - phy->type == B43legacy_PHYTYPE_G)); - if (is_bcm_board_vendor(dev) && - (dev->dev->bus->boardinfo.type == 0x0416)) - return; - - b43legacy_phy_write(dev, 0x0028, 0x8018); - b43legacy_write16(dev, 0x03E6, b43legacy_read16(dev, 0x03E6) & 0xFFDF); - - if (phy->type == B43legacy_PHYTYPE_G) { - if (!phy->gmode) - return; - b43legacy_phy_write(dev, 0x047A, 0xC111); - } - if (phy->savedpctlreg != 0xFFFF) - return; -#ifdef CONFIG_B43LEGACY_DEBUG - if (phy->manual_txpower_control) - return; -#endif - - if (phy->type == B43legacy_PHYTYPE_B && - phy->rev >= 2 && - phy->radio_ver == 0x2050) - b43legacy_radio_write16(dev, 0x0076, - b43legacy_radio_read16(dev, 0x0076) - | 0x0084); - else { - saved_batt = phy->bbatt; - saved_ratt = phy->rfatt; - saved_txctl1 = phy->txctl1; - if ((phy->radio_rev >= 6) && (phy->radio_rev <= 8) - && /*FIXME: incomplete specs for 5 < revision < 9 */ 0) - b43legacy_radio_set_txpower_bg(dev, 0xB, 0x1F, 0); - else - b43legacy_radio_set_txpower_bg(dev, 0xB, 9, 0); - must_reset_txpower = 1; - } - b43legacy_dummy_transmission(dev); - - phy->savedpctlreg = b43legacy_phy_read(dev, B43legacy_PHY_G_PCTL); - - if (must_reset_txpower) - b43legacy_radio_set_txpower_bg(dev, saved_batt, saved_ratt, - saved_txctl1); - else - b43legacy_radio_write16(dev, 0x0076, b43legacy_radio_read16(dev, - 0x0076) & 0xFF7B); - b43legacy_radio_clear_tssi(dev); -} - -static void b43legacy_phy_agcsetup(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 offset = 0x0000; - - if (phy->rev == 1) - offset = 0x4C00; - - b43legacy_ilt_write(dev, offset, 0x00FE); - b43legacy_ilt_write(dev, offset + 1, 0x000D); - b43legacy_ilt_write(dev, offset + 2, 0x0013); - b43legacy_ilt_write(dev, offset + 3, 0x0019); - - if (phy->rev == 1) { - b43legacy_ilt_write(dev, 0x1800, 0x2710); - b43legacy_ilt_write(dev, 0x1801, 0x9B83); - b43legacy_ilt_write(dev, 0x1802, 0x9B83); - b43legacy_ilt_write(dev, 0x1803, 0x0F8D); - b43legacy_phy_write(dev, 0x0455, 0x0004); - } - - b43legacy_phy_write(dev, 0x04A5, (b43legacy_phy_read(dev, 0x04A5) - & 0x00FF) | 0x5700); - b43legacy_phy_write(dev, 0x041A, (b43legacy_phy_read(dev, 0x041A) - & 0xFF80) | 0x000F); - b43legacy_phy_write(dev, 0x041A, (b43legacy_phy_read(dev, 0x041A) - & 0xC07F) | 0x2B80); - b43legacy_phy_write(dev, 0x048C, (b43legacy_phy_read(dev, 0x048C) - & 0xF0FF) | 0x0300); - - b43legacy_radio_write16(dev, 0x007A, - b43legacy_radio_read16(dev, 0x007A) - | 0x0008); - - b43legacy_phy_write(dev, 0x04A0, (b43legacy_phy_read(dev, 0x04A0) - & 0xFFF0) | 0x0008); - b43legacy_phy_write(dev, 0x04A1, (b43legacy_phy_read(dev, 0x04A1) - & 0xF0FF) | 0x0600); - b43legacy_phy_write(dev, 0x04A2, (b43legacy_phy_read(dev, 0x04A2) - & 0xF0FF) | 0x0700); - b43legacy_phy_write(dev, 0x04A0, (b43legacy_phy_read(dev, 0x04A0) - & 0xF0FF) | 0x0100); - - if (phy->rev == 1) - b43legacy_phy_write(dev, 0x04A2, - (b43legacy_phy_read(dev, 0x04A2) - & 0xFFF0) | 0x0007); - - b43legacy_phy_write(dev, 0x0488, (b43legacy_phy_read(dev, 0x0488) - & 0xFF00) | 0x001C); - b43legacy_phy_write(dev, 0x0488, (b43legacy_phy_read(dev, 0x0488) - & 0xC0FF) | 0x0200); - b43legacy_phy_write(dev, 0x0496, (b43legacy_phy_read(dev, 0x0496) - & 0xFF00) | 0x001C); - b43legacy_phy_write(dev, 0x0489, (b43legacy_phy_read(dev, 0x0489) - & 0xFF00) | 0x0020); - b43legacy_phy_write(dev, 0x0489, (b43legacy_phy_read(dev, 0x0489) - & 0xC0FF) | 0x0200); - b43legacy_phy_write(dev, 0x0482, (b43legacy_phy_read(dev, 0x0482) - & 0xFF00) | 0x002E); - b43legacy_phy_write(dev, 0x0496, (b43legacy_phy_read(dev, 0x0496) - & 0x00FF) | 0x1A00); - b43legacy_phy_write(dev, 0x0481, (b43legacy_phy_read(dev, 0x0481) - & 0xFF00) | 0x0028); - b43legacy_phy_write(dev, 0x0481, (b43legacy_phy_read(dev, 0x0481) - & 0x00FF) | 0x2C00); - - if (phy->rev == 1) { - b43legacy_phy_write(dev, 0x0430, 0x092B); - b43legacy_phy_write(dev, 0x041B, - (b43legacy_phy_read(dev, 0x041B) - & 0xFFE1) | 0x0002); - } else { - b43legacy_phy_write(dev, 0x041B, - b43legacy_phy_read(dev, 0x041B) & 0xFFE1); - b43legacy_phy_write(dev, 0x041F, 0x287A); - b43legacy_phy_write(dev, 0x0420, - (b43legacy_phy_read(dev, 0x0420) - & 0xFFF0) | 0x0004); - } - - if (phy->rev > 2) { - b43legacy_phy_write(dev, 0x0422, 0x287A); - b43legacy_phy_write(dev, 0x0420, - (b43legacy_phy_read(dev, 0x0420) - & 0x0FFF) | 0x3000); - } - - b43legacy_phy_write(dev, 0x04A8, (b43legacy_phy_read(dev, 0x04A8) - & 0x8080) | 0x7874); - b43legacy_phy_write(dev, 0x048E, 0x1C00); - - if (phy->rev == 1) { - b43legacy_phy_write(dev, 0x04AB, - (b43legacy_phy_read(dev, 0x04AB) - & 0xF0FF) | 0x0600); - b43legacy_phy_write(dev, 0x048B, 0x005E); - b43legacy_phy_write(dev, 0x048C, - (b43legacy_phy_read(dev, 0x048C) & 0xFF00) - | 0x001E); - b43legacy_phy_write(dev, 0x048D, 0x0002); - } - - b43legacy_ilt_write(dev, offset + 0x0800, 0); - b43legacy_ilt_write(dev, offset + 0x0801, 7); - b43legacy_ilt_write(dev, offset + 0x0802, 16); - b43legacy_ilt_write(dev, offset + 0x0803, 28); - - if (phy->rev >= 6) { - b43legacy_phy_write(dev, 0x0426, - (b43legacy_phy_read(dev, 0x0426) & 0xFFFC)); - b43legacy_phy_write(dev, 0x0426, - (b43legacy_phy_read(dev, 0x0426) & 0xEFFF)); - } -} - -static void b43legacy_phy_setupg(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 i; - - B43legacy_BUG_ON(phy->type != B43legacy_PHYTYPE_G); - if (phy->rev == 1) { - b43legacy_phy_write(dev, 0x0406, 0x4F19); - b43legacy_phy_write(dev, B43legacy_PHY_G_CRS, - (b43legacy_phy_read(dev, - B43legacy_PHY_G_CRS) & 0xFC3F) | 0x0340); - b43legacy_phy_write(dev, 0x042C, 0x005A); - b43legacy_phy_write(dev, 0x0427, 0x001A); - - for (i = 0; i < B43legacy_ILT_FINEFREQG_SIZE; i++) - b43legacy_ilt_write(dev, 0x5800 + i, - b43legacy_ilt_finefreqg[i]); - for (i = 0; i < B43legacy_ILT_NOISEG1_SIZE; i++) - b43legacy_ilt_write(dev, 0x1800 + i, - b43legacy_ilt_noiseg1[i]); - for (i = 0; i < B43legacy_ILT_ROTOR_SIZE; i++) - b43legacy_ilt_write32(dev, 0x2000 + i, - b43legacy_ilt_rotor[i]); - } else { - /* nrssi values are signed 6-bit values. Why 0x7654 here? */ - b43legacy_nrssi_hw_write(dev, 0xBA98, (s16)0x7654); - - if (phy->rev == 2) { - b43legacy_phy_write(dev, 0x04C0, 0x1861); - b43legacy_phy_write(dev, 0x04C1, 0x0271); - } else if (phy->rev > 2) { - b43legacy_phy_write(dev, 0x04C0, 0x0098); - b43legacy_phy_write(dev, 0x04C1, 0x0070); - b43legacy_phy_write(dev, 0x04C9, 0x0080); - } - b43legacy_phy_write(dev, 0x042B, b43legacy_phy_read(dev, - 0x042B) | 0x800); - - for (i = 0; i < 64; i++) - b43legacy_ilt_write(dev, 0x4000 + i, i); - for (i = 0; i < B43legacy_ILT_NOISEG2_SIZE; i++) - b43legacy_ilt_write(dev, 0x1800 + i, - b43legacy_ilt_noiseg2[i]); - } - - if (phy->rev <= 2) - for (i = 0; i < B43legacy_ILT_NOISESCALEG_SIZE; i++) - b43legacy_ilt_write(dev, 0x1400 + i, - b43legacy_ilt_noisescaleg1[i]); - else if ((phy->rev >= 7) && (b43legacy_phy_read(dev, 0x0449) & 0x0200)) - for (i = 0; i < B43legacy_ILT_NOISESCALEG_SIZE; i++) - b43legacy_ilt_write(dev, 0x1400 + i, - b43legacy_ilt_noisescaleg3[i]); - else - for (i = 0; i < B43legacy_ILT_NOISESCALEG_SIZE; i++) - b43legacy_ilt_write(dev, 0x1400 + i, - b43legacy_ilt_noisescaleg2[i]); - - if (phy->rev == 2) - for (i = 0; i < B43legacy_ILT_SIGMASQR_SIZE; i++) - b43legacy_ilt_write(dev, 0x5000 + i, - b43legacy_ilt_sigmasqr1[i]); - else if ((phy->rev > 2) && (phy->rev <= 8)) - for (i = 0; i < B43legacy_ILT_SIGMASQR_SIZE; i++) - b43legacy_ilt_write(dev, 0x5000 + i, - b43legacy_ilt_sigmasqr2[i]); - - if (phy->rev == 1) { - for (i = 0; i < B43legacy_ILT_RETARD_SIZE; i++) - b43legacy_ilt_write32(dev, 0x2400 + i, - b43legacy_ilt_retard[i]); - for (i = 4; i < 20; i++) - b43legacy_ilt_write(dev, 0x5400 + i, 0x0020); - b43legacy_phy_agcsetup(dev); - - if (is_bcm_board_vendor(dev) && - (dev->dev->bus->boardinfo.type == 0x0416) && - (dev->dev->bus->sprom.board_rev == 0x0017)) - return; - - b43legacy_ilt_write(dev, 0x5001, 0x0002); - b43legacy_ilt_write(dev, 0x5002, 0x0001); - } else { - for (i = 0; i <= 0x20; i++) - b43legacy_ilt_write(dev, 0x1000 + i, 0x0820); - b43legacy_phy_agcsetup(dev); - b43legacy_phy_read(dev, 0x0400); /* dummy read */ - b43legacy_phy_write(dev, 0x0403, 0x1000); - b43legacy_ilt_write(dev, 0x3C02, 0x000F); - b43legacy_ilt_write(dev, 0x3C03, 0x0014); - - if (is_bcm_board_vendor(dev) && - (dev->dev->bus->boardinfo.type == 0x0416) && - (dev->dev->bus->sprom.board_rev == 0x0017)) - return; - - b43legacy_ilt_write(dev, 0x0401, 0x0002); - b43legacy_ilt_write(dev, 0x0402, 0x0001); - } -} - -/* Initialize the APHY portion of a GPHY. */ -static void b43legacy_phy_inita(struct b43legacy_wldev *dev) -{ - - might_sleep(); - - b43legacy_phy_setupg(dev); - if (dev->dev->bus->sprom.boardflags_lo & B43legacy_BFL_PACTRL) - b43legacy_phy_write(dev, 0x046E, 0x03CF); -} - -static void b43legacy_phy_initb2(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 offset; - int val; - - b43legacy_write16(dev, 0x03EC, 0x3F22); - b43legacy_phy_write(dev, 0x0020, 0x301C); - b43legacy_phy_write(dev, 0x0026, 0x0000); - b43legacy_phy_write(dev, 0x0030, 0x00C6); - b43legacy_phy_write(dev, 0x0088, 0x3E00); - val = 0x3C3D; - for (offset = 0x0089; offset < 0x00A7; offset++) { - b43legacy_phy_write(dev, offset, val); - val -= 0x0202; - } - b43legacy_phy_write(dev, 0x03E4, 0x3000); - b43legacy_radio_selectchannel(dev, phy->channel, 0); - if (phy->radio_ver != 0x2050) { - b43legacy_radio_write16(dev, 0x0075, 0x0080); - b43legacy_radio_write16(dev, 0x0079, 0x0081); - } - b43legacy_radio_write16(dev, 0x0050, 0x0020); - b43legacy_radio_write16(dev, 0x0050, 0x0023); - if (phy->radio_ver == 0x2050) { - b43legacy_radio_write16(dev, 0x0050, 0x0020); - b43legacy_radio_write16(dev, 0x005A, 0x0070); - b43legacy_radio_write16(dev, 0x005B, 0x007B); - b43legacy_radio_write16(dev, 0x005C, 0x00B0); - b43legacy_radio_write16(dev, 0x007A, 0x000F); - b43legacy_phy_write(dev, 0x0038, 0x0677); - b43legacy_radio_init2050(dev); - } - b43legacy_phy_write(dev, 0x0014, 0x0080); - b43legacy_phy_write(dev, 0x0032, 0x00CA); - b43legacy_phy_write(dev, 0x0032, 0x00CC); - b43legacy_phy_write(dev, 0x0035, 0x07C2); - b43legacy_phy_lo_b_measure(dev); - b43legacy_phy_write(dev, 0x0026, 0xCC00); - if (phy->radio_ver != 0x2050) - b43legacy_phy_write(dev, 0x0026, 0xCE00); - b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT, 0x1000); - b43legacy_phy_write(dev, 0x002A, 0x88A3); - if (phy->radio_ver != 0x2050) - b43legacy_phy_write(dev, 0x002A, 0x88C2); - b43legacy_radio_set_txpower_bg(dev, 0xFFFF, 0xFFFF, 0xFFFF); - b43legacy_phy_init_pctl(dev); -} - -static void b43legacy_phy_initb4(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 offset; - u16 val; - - b43legacy_write16(dev, 0x03EC, 0x3F22); - b43legacy_phy_write(dev, 0x0020, 0x301C); - b43legacy_phy_write(dev, 0x0026, 0x0000); - b43legacy_phy_write(dev, 0x0030, 0x00C6); - b43legacy_phy_write(dev, 0x0088, 0x3E00); - val = 0x3C3D; - for (offset = 0x0089; offset < 0x00A7; offset++) { - b43legacy_phy_write(dev, offset, val); - val -= 0x0202; - } - b43legacy_phy_write(dev, 0x03E4, 0x3000); - b43legacy_radio_selectchannel(dev, phy->channel, 0); - if (phy->radio_ver != 0x2050) { - b43legacy_radio_write16(dev, 0x0075, 0x0080); - b43legacy_radio_write16(dev, 0x0079, 0x0081); - } - b43legacy_radio_write16(dev, 0x0050, 0x0020); - b43legacy_radio_write16(dev, 0x0050, 0x0023); - if (phy->radio_ver == 0x2050) { - b43legacy_radio_write16(dev, 0x0050, 0x0020); - b43legacy_radio_write16(dev, 0x005A, 0x0070); - b43legacy_radio_write16(dev, 0x005B, 0x007B); - b43legacy_radio_write16(dev, 0x005C, 0x00B0); - b43legacy_radio_write16(dev, 0x007A, 0x000F); - b43legacy_phy_write(dev, 0x0038, 0x0677); - b43legacy_radio_init2050(dev); - } - b43legacy_phy_write(dev, 0x0014, 0x0080); - b43legacy_phy_write(dev, 0x0032, 0x00CA); - if (phy->radio_ver == 0x2050) - b43legacy_phy_write(dev, 0x0032, 0x00E0); - b43legacy_phy_write(dev, 0x0035, 0x07C2); - - b43legacy_phy_lo_b_measure(dev); - - b43legacy_phy_write(dev, 0x0026, 0xCC00); - if (phy->radio_ver == 0x2050) - b43legacy_phy_write(dev, 0x0026, 0xCE00); - b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT, 0x1100); - b43legacy_phy_write(dev, 0x002A, 0x88A3); - if (phy->radio_ver == 0x2050) - b43legacy_phy_write(dev, 0x002A, 0x88C2); - b43legacy_radio_set_txpower_bg(dev, 0xFFFF, 0xFFFF, 0xFFFF); - if (dev->dev->bus->sprom.boardflags_lo & B43legacy_BFL_RSSI) { - b43legacy_calc_nrssi_slope(dev); - b43legacy_calc_nrssi_threshold(dev); - } - b43legacy_phy_init_pctl(dev); -} - -static void b43legacy_phy_initb5(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 offset; - u16 value; - u8 old_channel; - - if (phy->analog == 1) - b43legacy_radio_write16(dev, 0x007A, - b43legacy_radio_read16(dev, 0x007A) - | 0x0050); - if (!is_bcm_board_vendor(dev) && - (dev->dev->bus->boardinfo.type != 0x0416)) { - value = 0x2120; - for (offset = 0x00A8 ; offset < 0x00C7; offset++) { - b43legacy_phy_write(dev, offset, value); - value += 0x0202; - } - } - b43legacy_phy_write(dev, 0x0035, - (b43legacy_phy_read(dev, 0x0035) & 0xF0FF) - | 0x0700); - if (phy->radio_ver == 0x2050) - b43legacy_phy_write(dev, 0x0038, 0x0667); - - if (phy->gmode) { - if (phy->radio_ver == 0x2050) { - b43legacy_radio_write16(dev, 0x007A, - b43legacy_radio_read16(dev, 0x007A) - | 0x0020); - b43legacy_radio_write16(dev, 0x0051, - b43legacy_radio_read16(dev, 0x0051) - | 0x0004); - } - b43legacy_write16(dev, B43legacy_MMIO_PHY_RADIO, 0x0000); - - b43legacy_phy_write(dev, 0x0802, b43legacy_phy_read(dev, 0x0802) - | 0x0100); - b43legacy_phy_write(dev, 0x042B, b43legacy_phy_read(dev, 0x042B) - | 0x2000); - - b43legacy_phy_write(dev, 0x001C, 0x186A); - - b43legacy_phy_write(dev, 0x0013, (b43legacy_phy_read(dev, - 0x0013) & 0x00FF) | 0x1900); - b43legacy_phy_write(dev, 0x0035, (b43legacy_phy_read(dev, - 0x0035) & 0xFFC0) | 0x0064); - b43legacy_phy_write(dev, 0x005D, (b43legacy_phy_read(dev, - 0x005D) & 0xFF80) | 0x000A); - b43legacy_phy_write(dev, 0x5B, 0x0000); - b43legacy_phy_write(dev, 0x5C, 0x0000); - } - - if (dev->bad_frames_preempt) - b43legacy_phy_write(dev, B43legacy_PHY_RADIO_BITFIELD, - b43legacy_phy_read(dev, - B43legacy_PHY_RADIO_BITFIELD) | (1 << 12)); - - if (phy->analog == 1) { - b43legacy_phy_write(dev, 0x0026, 0xCE00); - b43legacy_phy_write(dev, 0x0021, 0x3763); - b43legacy_phy_write(dev, 0x0022, 0x1BC3); - b43legacy_phy_write(dev, 0x0023, 0x06F9); - b43legacy_phy_write(dev, 0x0024, 0x037E); - } else - b43legacy_phy_write(dev, 0x0026, 0xCC00); - b43legacy_phy_write(dev, 0x0030, 0x00C6); - b43legacy_write16(dev, 0x03EC, 0x3F22); - - if (phy->analog == 1) - b43legacy_phy_write(dev, 0x0020, 0x3E1C); - else - b43legacy_phy_write(dev, 0x0020, 0x301C); - - if (phy->analog == 0) - b43legacy_write16(dev, 0x03E4, 0x3000); - - old_channel = (phy->channel == 0xFF) ? 1 : phy->channel; - /* Force to channel 7, even if not supported. */ - b43legacy_radio_selectchannel(dev, 7, 0); - - if (phy->radio_ver != 0x2050) { - b43legacy_radio_write16(dev, 0x0075, 0x0080); - b43legacy_radio_write16(dev, 0x0079, 0x0081); - } - - b43legacy_radio_write16(dev, 0x0050, 0x0020); - b43legacy_radio_write16(dev, 0x0050, 0x0023); - - if (phy->radio_ver == 0x2050) { - b43legacy_radio_write16(dev, 0x0050, 0x0020); - b43legacy_radio_write16(dev, 0x005A, 0x0070); - } - - b43legacy_radio_write16(dev, 0x005B, 0x007B); - b43legacy_radio_write16(dev, 0x005C, 0x00B0); - - b43legacy_radio_write16(dev, 0x007A, b43legacy_radio_read16(dev, - 0x007A) | 0x0007); - - b43legacy_radio_selectchannel(dev, old_channel, 0); - - b43legacy_phy_write(dev, 0x0014, 0x0080); - b43legacy_phy_write(dev, 0x0032, 0x00CA); - b43legacy_phy_write(dev, 0x002A, 0x88A3); - - b43legacy_radio_set_txpower_bg(dev, 0xFFFF, 0xFFFF, 0xFFFF); - - if (phy->radio_ver == 0x2050) - b43legacy_radio_write16(dev, 0x005D, 0x000D); - - b43legacy_write16(dev, 0x03E4, (b43legacy_read16(dev, 0x03E4) & - 0xFFC0) | 0x0004); -} - -static void b43legacy_phy_initb6(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 offset; - u16 val; - u8 old_channel; - - b43legacy_phy_write(dev, 0x003E, 0x817A); - b43legacy_radio_write16(dev, 0x007A, - (b43legacy_radio_read16(dev, 0x007A) | 0x0058)); - if (phy->radio_rev == 4 || - phy->radio_rev == 5) { - b43legacy_radio_write16(dev, 0x0051, 0x0037); - b43legacy_radio_write16(dev, 0x0052, 0x0070); - b43legacy_radio_write16(dev, 0x0053, 0x00B3); - b43legacy_radio_write16(dev, 0x0054, 0x009B); - b43legacy_radio_write16(dev, 0x005A, 0x0088); - b43legacy_radio_write16(dev, 0x005B, 0x0088); - b43legacy_radio_write16(dev, 0x005D, 0x0088); - b43legacy_radio_write16(dev, 0x005E, 0x0088); - b43legacy_radio_write16(dev, 0x007D, 0x0088); - b43legacy_shm_write32(dev, B43legacy_SHM_SHARED, - B43legacy_UCODEFLAGS_OFFSET, - (b43legacy_shm_read32(dev, - B43legacy_SHM_SHARED, - B43legacy_UCODEFLAGS_OFFSET) - | 0x00000200)); - } - if (phy->radio_rev == 8) { - b43legacy_radio_write16(dev, 0x0051, 0x0000); - b43legacy_radio_write16(dev, 0x0052, 0x0040); - b43legacy_radio_write16(dev, 0x0053, 0x00B7); - b43legacy_radio_write16(dev, 0x0054, 0x0098); - b43legacy_radio_write16(dev, 0x005A, 0x0088); - b43legacy_radio_write16(dev, 0x005B, 0x006B); - b43legacy_radio_write16(dev, 0x005C, 0x000F); - if (dev->dev->bus->sprom.boardflags_lo & 0x8000) { - b43legacy_radio_write16(dev, 0x005D, 0x00FA); - b43legacy_radio_write16(dev, 0x005E, 0x00D8); - } else { - b43legacy_radio_write16(dev, 0x005D, 0x00F5); - b43legacy_radio_write16(dev, 0x005E, 0x00B8); - } - b43legacy_radio_write16(dev, 0x0073, 0x0003); - b43legacy_radio_write16(dev, 0x007D, 0x00A8); - b43legacy_radio_write16(dev, 0x007C, 0x0001); - b43legacy_radio_write16(dev, 0x007E, 0x0008); - } - val = 0x1E1F; - for (offset = 0x0088; offset < 0x0098; offset++) { - b43legacy_phy_write(dev, offset, val); - val -= 0x0202; - } - val = 0x3E3F; - for (offset = 0x0098; offset < 0x00A8; offset++) { - b43legacy_phy_write(dev, offset, val); - val -= 0x0202; - } - val = 0x2120; - for (offset = 0x00A8; offset < 0x00C8; offset++) { - b43legacy_phy_write(dev, offset, (val & 0x3F3F)); - val += 0x0202; - } - if (phy->type == B43legacy_PHYTYPE_G) { - b43legacy_radio_write16(dev, 0x007A, - b43legacy_radio_read16(dev, 0x007A) | - 0x0020); - b43legacy_radio_write16(dev, 0x0051, - b43legacy_radio_read16(dev, 0x0051) | - 0x0004); - b43legacy_phy_write(dev, 0x0802, - b43legacy_phy_read(dev, 0x0802) | 0x0100); - b43legacy_phy_write(dev, 0x042B, - b43legacy_phy_read(dev, 0x042B) | 0x2000); - b43legacy_phy_write(dev, 0x5B, 0x0000); - b43legacy_phy_write(dev, 0x5C, 0x0000); - } - - old_channel = phy->channel; - if (old_channel >= 8) - b43legacy_radio_selectchannel(dev, 1, 0); - else - b43legacy_radio_selectchannel(dev, 13, 0); - - b43legacy_radio_write16(dev, 0x0050, 0x0020); - b43legacy_radio_write16(dev, 0x0050, 0x0023); - udelay(40); - if (phy->radio_rev < 6 || phy->radio_rev == 8) { - b43legacy_radio_write16(dev, 0x007C, - (b43legacy_radio_read16(dev, 0x007C) - | 0x0002)); - b43legacy_radio_write16(dev, 0x0050, 0x0020); - } - if (phy->radio_rev <= 2) { - b43legacy_radio_write16(dev, 0x0050, 0x0020); - b43legacy_radio_write16(dev, 0x005A, 0x0070); - b43legacy_radio_write16(dev, 0x005B, 0x007B); - b43legacy_radio_write16(dev, 0x005C, 0x00B0); - } - b43legacy_radio_write16(dev, 0x007A, - (b43legacy_radio_read16(dev, - 0x007A) & 0x00F8) | 0x0007); - - b43legacy_radio_selectchannel(dev, old_channel, 0); - - b43legacy_phy_write(dev, 0x0014, 0x0200); - if (phy->radio_rev >= 6) - b43legacy_phy_write(dev, 0x002A, 0x88C2); - else - b43legacy_phy_write(dev, 0x002A, 0x8AC0); - b43legacy_phy_write(dev, 0x0038, 0x0668); - b43legacy_radio_set_txpower_bg(dev, 0xFFFF, 0xFFFF, 0xFFFF); - if (phy->radio_rev == 4 || phy->radio_rev == 5) - b43legacy_phy_write(dev, 0x005D, (b43legacy_phy_read(dev, - 0x005D) & 0xFF80) | 0x0003); - if (phy->radio_rev <= 2) - b43legacy_radio_write16(dev, 0x005D, 0x000D); - - if (phy->analog == 4) { - b43legacy_write16(dev, 0x03E4, 0x0009); - b43legacy_phy_write(dev, 0x61, b43legacy_phy_read(dev, 0x61) - & 0xFFF); - } else - b43legacy_phy_write(dev, 0x0002, (b43legacy_phy_read(dev, - 0x0002) & 0xFFC0) | 0x0004); - if (phy->type == B43legacy_PHYTYPE_G) - b43legacy_write16(dev, 0x03E6, 0x0); - if (phy->type == B43legacy_PHYTYPE_B) { - b43legacy_write16(dev, 0x03E6, 0x8140); - b43legacy_phy_write(dev, 0x0016, 0x0410); - b43legacy_phy_write(dev, 0x0017, 0x0820); - b43legacy_phy_write(dev, 0x0062, 0x0007); - b43legacy_radio_init2050(dev); - b43legacy_phy_lo_g_measure(dev); - if (dev->dev->bus->sprom.boardflags_lo & - B43legacy_BFL_RSSI) { - b43legacy_calc_nrssi_slope(dev); - b43legacy_calc_nrssi_threshold(dev); - } - b43legacy_phy_init_pctl(dev); - } -} - -static void b43legacy_calc_loopback_gain(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 backup_phy[15] = {0}; - u16 backup_radio[3]; - u16 backup_bband; - u16 i; - u16 loop1_cnt; - u16 loop1_done; - u16 loop1_omitted; - u16 loop2_done; - - backup_phy[0] = b43legacy_phy_read(dev, 0x0429); - backup_phy[1] = b43legacy_phy_read(dev, 0x0001); - backup_phy[2] = b43legacy_phy_read(dev, 0x0811); - backup_phy[3] = b43legacy_phy_read(dev, 0x0812); - if (phy->rev != 1) { - backup_phy[4] = b43legacy_phy_read(dev, 0x0814); - backup_phy[5] = b43legacy_phy_read(dev, 0x0815); - } - backup_phy[6] = b43legacy_phy_read(dev, 0x005A); - backup_phy[7] = b43legacy_phy_read(dev, 0x0059); - backup_phy[8] = b43legacy_phy_read(dev, 0x0058); - backup_phy[9] = b43legacy_phy_read(dev, 0x000A); - backup_phy[10] = b43legacy_phy_read(dev, 0x0003); - backup_phy[11] = b43legacy_phy_read(dev, 0x080F); - backup_phy[12] = b43legacy_phy_read(dev, 0x0810); - backup_phy[13] = b43legacy_phy_read(dev, 0x002B); - backup_phy[14] = b43legacy_phy_read(dev, 0x0015); - b43legacy_phy_read(dev, 0x002D); /* dummy read */ - backup_bband = phy->bbatt; - backup_radio[0] = b43legacy_radio_read16(dev, 0x0052); - backup_radio[1] = b43legacy_radio_read16(dev, 0x0043); - backup_radio[2] = b43legacy_radio_read16(dev, 0x007A); - - b43legacy_phy_write(dev, 0x0429, - b43legacy_phy_read(dev, 0x0429) & 0x3FFF); - b43legacy_phy_write(dev, 0x0001, - b43legacy_phy_read(dev, 0x0001) & 0x8000); - b43legacy_phy_write(dev, 0x0811, - b43legacy_phy_read(dev, 0x0811) | 0x0002); - b43legacy_phy_write(dev, 0x0812, - b43legacy_phy_read(dev, 0x0812) & 0xFFFD); - b43legacy_phy_write(dev, 0x0811, - b43legacy_phy_read(dev, 0x0811) | 0x0001); - b43legacy_phy_write(dev, 0x0812, - b43legacy_phy_read(dev, 0x0812) & 0xFFFE); - if (phy->rev != 1) { - b43legacy_phy_write(dev, 0x0814, - b43legacy_phy_read(dev, 0x0814) | 0x0001); - b43legacy_phy_write(dev, 0x0815, - b43legacy_phy_read(dev, 0x0815) & 0xFFFE); - b43legacy_phy_write(dev, 0x0814, - b43legacy_phy_read(dev, 0x0814) | 0x0002); - b43legacy_phy_write(dev, 0x0815, - b43legacy_phy_read(dev, 0x0815) & 0xFFFD); - } - b43legacy_phy_write(dev, 0x0811, b43legacy_phy_read(dev, 0x0811) | - 0x000C); - b43legacy_phy_write(dev, 0x0812, b43legacy_phy_read(dev, 0x0812) | - 0x000C); - - b43legacy_phy_write(dev, 0x0811, (b43legacy_phy_read(dev, 0x0811) - & 0xFFCF) | 0x0030); - b43legacy_phy_write(dev, 0x0812, (b43legacy_phy_read(dev, 0x0812) - & 0xFFCF) | 0x0010); - - b43legacy_phy_write(dev, 0x005A, 0x0780); - b43legacy_phy_write(dev, 0x0059, 0xC810); - b43legacy_phy_write(dev, 0x0058, 0x000D); - if (phy->analog == 0) - b43legacy_phy_write(dev, 0x0003, 0x0122); - else - b43legacy_phy_write(dev, 0x000A, - b43legacy_phy_read(dev, 0x000A) - | 0x2000); - if (phy->rev != 1) { - b43legacy_phy_write(dev, 0x0814, - b43legacy_phy_read(dev, 0x0814) | 0x0004); - b43legacy_phy_write(dev, 0x0815, - b43legacy_phy_read(dev, 0x0815) & 0xFFFB); - } - b43legacy_phy_write(dev, 0x0003, - (b43legacy_phy_read(dev, 0x0003) - & 0xFF9F) | 0x0040); - if (phy->radio_ver == 0x2050 && phy->radio_rev == 2) { - b43legacy_radio_write16(dev, 0x0052, 0x0000); - b43legacy_radio_write16(dev, 0x0043, - (b43legacy_radio_read16(dev, 0x0043) - & 0xFFF0) | 0x0009); - loop1_cnt = 9; - } else if (phy->radio_rev == 8) { - b43legacy_radio_write16(dev, 0x0043, 0x000F); - loop1_cnt = 15; - } else - loop1_cnt = 0; - - b43legacy_phy_set_baseband_attenuation(dev, 11); - - if (phy->rev >= 3) - b43legacy_phy_write(dev, 0x080F, 0xC020); - else - b43legacy_phy_write(dev, 0x080F, 0x8020); - b43legacy_phy_write(dev, 0x0810, 0x0000); - - b43legacy_phy_write(dev, 0x002B, - (b43legacy_phy_read(dev, 0x002B) - & 0xFFC0) | 0x0001); - b43legacy_phy_write(dev, 0x002B, - (b43legacy_phy_read(dev, 0x002B) - & 0xC0FF) | 0x0800); - b43legacy_phy_write(dev, 0x0811, - b43legacy_phy_read(dev, 0x0811) | 0x0100); - b43legacy_phy_write(dev, 0x0812, - b43legacy_phy_read(dev, 0x0812) & 0xCFFF); - if (dev->dev->bus->sprom.boardflags_lo & B43legacy_BFL_EXTLNA) { - if (phy->rev >= 7) { - b43legacy_phy_write(dev, 0x0811, - b43legacy_phy_read(dev, 0x0811) - | 0x0800); - b43legacy_phy_write(dev, 0x0812, - b43legacy_phy_read(dev, 0x0812) - | 0x8000); - } - } - b43legacy_radio_write16(dev, 0x007A, - b43legacy_radio_read16(dev, 0x007A) - & 0x00F7); - - for (i = 0; i < loop1_cnt; i++) { - b43legacy_radio_write16(dev, 0x0043, loop1_cnt); - b43legacy_phy_write(dev, 0x0812, - (b43legacy_phy_read(dev, 0x0812) - & 0xF0FF) | (i << 8)); - b43legacy_phy_write(dev, 0x0015, - (b43legacy_phy_read(dev, 0x0015) - & 0x0FFF) | 0xA000); - b43legacy_phy_write(dev, 0x0015, - (b43legacy_phy_read(dev, 0x0015) - & 0x0FFF) | 0xF000); - udelay(20); - if (b43legacy_phy_read(dev, 0x002D) >= 0x0DFC) - break; - } - loop1_done = i; - loop1_omitted = loop1_cnt - loop1_done; - - loop2_done = 0; - if (loop1_done >= 8) { - b43legacy_phy_write(dev, 0x0812, - b43legacy_phy_read(dev, 0x0812) - | 0x0030); - for (i = loop1_done - 8; i < 16; i++) { - b43legacy_phy_write(dev, 0x0812, - (b43legacy_phy_read(dev, 0x0812) - & 0xF0FF) | (i << 8)); - b43legacy_phy_write(dev, 0x0015, - (b43legacy_phy_read(dev, 0x0015) - & 0x0FFF) | 0xA000); - b43legacy_phy_write(dev, 0x0015, - (b43legacy_phy_read(dev, 0x0015) - & 0x0FFF) | 0xF000); - udelay(20); - if (b43legacy_phy_read(dev, 0x002D) >= 0x0DFC) - break; - } - } - - if (phy->rev != 1) { - b43legacy_phy_write(dev, 0x0814, backup_phy[4]); - b43legacy_phy_write(dev, 0x0815, backup_phy[5]); - } - b43legacy_phy_write(dev, 0x005A, backup_phy[6]); - b43legacy_phy_write(dev, 0x0059, backup_phy[7]); - b43legacy_phy_write(dev, 0x0058, backup_phy[8]); - b43legacy_phy_write(dev, 0x000A, backup_phy[9]); - b43legacy_phy_write(dev, 0x0003, backup_phy[10]); - b43legacy_phy_write(dev, 0x080F, backup_phy[11]); - b43legacy_phy_write(dev, 0x0810, backup_phy[12]); - b43legacy_phy_write(dev, 0x002B, backup_phy[13]); - b43legacy_phy_write(dev, 0x0015, backup_phy[14]); - - b43legacy_phy_set_baseband_attenuation(dev, backup_bband); - - b43legacy_radio_write16(dev, 0x0052, backup_radio[0]); - b43legacy_radio_write16(dev, 0x0043, backup_radio[1]); - b43legacy_radio_write16(dev, 0x007A, backup_radio[2]); - - b43legacy_phy_write(dev, 0x0811, backup_phy[2] | 0x0003); - udelay(10); - b43legacy_phy_write(dev, 0x0811, backup_phy[2]); - b43legacy_phy_write(dev, 0x0812, backup_phy[3]); - b43legacy_phy_write(dev, 0x0429, backup_phy[0]); - b43legacy_phy_write(dev, 0x0001, backup_phy[1]); - - phy->loopback_gain[0] = ((loop1_done * 6) - (loop1_omitted * 4)) - 11; - phy->loopback_gain[1] = (24 - (3 * loop2_done)) * 2; -} - -static void b43legacy_phy_initg(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 tmp; - - if (phy->rev == 1) - b43legacy_phy_initb5(dev); - else - b43legacy_phy_initb6(dev); - if (phy->rev >= 2 && phy->gmode) - b43legacy_phy_inita(dev); - - if (phy->rev >= 2) { - b43legacy_phy_write(dev, 0x0814, 0x0000); - b43legacy_phy_write(dev, 0x0815, 0x0000); - } - if (phy->rev == 2) { - b43legacy_phy_write(dev, 0x0811, 0x0000); - b43legacy_phy_write(dev, 0x0015, 0x00C0); - } - if (phy->rev > 5) { - b43legacy_phy_write(dev, 0x0811, 0x0400); - b43legacy_phy_write(dev, 0x0015, 0x00C0); - } - if (phy->gmode) { - tmp = b43legacy_phy_read(dev, 0x0400) & 0xFF; - if (tmp == 3) { - b43legacy_phy_write(dev, 0x04C2, 0x1816); - b43legacy_phy_write(dev, 0x04C3, 0x8606); - } - if (tmp == 4 || tmp == 5) { - b43legacy_phy_write(dev, 0x04C2, 0x1816); - b43legacy_phy_write(dev, 0x04C3, 0x8006); - b43legacy_phy_write(dev, 0x04CC, - (b43legacy_phy_read(dev, - 0x04CC) & 0x00FF) | - 0x1F00); - } - if (phy->rev >= 2) - b43legacy_phy_write(dev, 0x047E, 0x0078); - } - if (phy->radio_rev == 8) { - b43legacy_phy_write(dev, 0x0801, b43legacy_phy_read(dev, 0x0801) - | 0x0080); - b43legacy_phy_write(dev, 0x043E, b43legacy_phy_read(dev, 0x043E) - | 0x0004); - } - if (phy->rev >= 2 && phy->gmode) - b43legacy_calc_loopback_gain(dev); - if (phy->radio_rev != 8) { - if (phy->initval == 0xFFFF) - phy->initval = b43legacy_radio_init2050(dev); - else - b43legacy_radio_write16(dev, 0x0078, phy->initval); - } - if (phy->txctl2 == 0xFFFF) - b43legacy_phy_lo_g_measure(dev); - else { - if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) - b43legacy_radio_write16(dev, 0x0052, - (phy->txctl1 << 4) | - phy->txctl2); - else - b43legacy_radio_write16(dev, 0x0052, - (b43legacy_radio_read16(dev, - 0x0052) & 0xFFF0) | - phy->txctl1); - if (phy->rev >= 6) - b43legacy_phy_write(dev, 0x0036, - (b43legacy_phy_read(dev, 0x0036) - & 0x0FFF) | (phy->txctl2 << 12)); - if (dev->dev->bus->sprom.boardflags_lo & - B43legacy_BFL_PACTRL) - b43legacy_phy_write(dev, 0x002E, 0x8075); - else - b43legacy_phy_write(dev, 0x002E, 0x807F); - if (phy->rev < 2) - b43legacy_phy_write(dev, 0x002F, 0x0101); - else - b43legacy_phy_write(dev, 0x002F, 0x0202); - } - if (phy->gmode) { - b43legacy_phy_lo_adjust(dev, 0); - b43legacy_phy_write(dev, 0x080F, 0x8078); - } - - if (!(dev->dev->bus->sprom.boardflags_lo & B43legacy_BFL_RSSI)) { - /* The specs state to update the NRSSI LT with - * the value 0x7FFFFFFF here. I think that is some weird - * compiler optimization in the original driver. - * Essentially, what we do here is resetting all NRSSI LT - * entries to -32 (see the clamp_val() in nrssi_hw_update()) - */ - b43legacy_nrssi_hw_update(dev, 0xFFFF); - b43legacy_calc_nrssi_threshold(dev); - } else if (phy->gmode || phy->rev >= 2) { - if (phy->nrssi[0] == -1000) { - B43legacy_WARN_ON(phy->nrssi[1] != -1000); - b43legacy_calc_nrssi_slope(dev); - } else { - B43legacy_WARN_ON(phy->nrssi[1] == -1000); - b43legacy_calc_nrssi_threshold(dev); - } - } - if (phy->radio_rev == 8) - b43legacy_phy_write(dev, 0x0805, 0x3230); - b43legacy_phy_init_pctl(dev); - if (dev->dev->bus->chip_id == 0x4306 - && dev->dev->bus->chip_package == 2) { - b43legacy_phy_write(dev, 0x0429, - b43legacy_phy_read(dev, 0x0429) & 0xBFFF); - b43legacy_phy_write(dev, 0x04C3, - b43legacy_phy_read(dev, 0x04C3) & 0x7FFF); - } -} - -static u16 b43legacy_phy_lo_b_r15_loop(struct b43legacy_wldev *dev) -{ - int i; - u16 ret = 0; - unsigned long flags; - - local_irq_save(flags); - for (i = 0; i < 10; i++) { - b43legacy_phy_write(dev, 0x0015, 0xAFA0); - udelay(1); - b43legacy_phy_write(dev, 0x0015, 0xEFA0); - udelay(10); - b43legacy_phy_write(dev, 0x0015, 0xFFA0); - udelay(40); - ret += b43legacy_phy_read(dev, 0x002C); - } - local_irq_restore(flags); - b43legacy_voluntary_preempt(); - - return ret; -} - -void b43legacy_phy_lo_b_measure(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 regstack[12] = { 0 }; - u16 mls; - u16 fval; - int i; - int j; - - regstack[0] = b43legacy_phy_read(dev, 0x0015); - regstack[1] = b43legacy_radio_read16(dev, 0x0052) & 0xFFF0; - - if (phy->radio_ver == 0x2053) { - regstack[2] = b43legacy_phy_read(dev, 0x000A); - regstack[3] = b43legacy_phy_read(dev, 0x002A); - regstack[4] = b43legacy_phy_read(dev, 0x0035); - regstack[5] = b43legacy_phy_read(dev, 0x0003); - regstack[6] = b43legacy_phy_read(dev, 0x0001); - regstack[7] = b43legacy_phy_read(dev, 0x0030); - - regstack[8] = b43legacy_radio_read16(dev, 0x0043); - regstack[9] = b43legacy_radio_read16(dev, 0x007A); - regstack[10] = b43legacy_read16(dev, 0x03EC); - regstack[11] = b43legacy_radio_read16(dev, 0x0052) & 0x00F0; - - b43legacy_phy_write(dev, 0x0030, 0x00FF); - b43legacy_write16(dev, 0x03EC, 0x3F3F); - b43legacy_phy_write(dev, 0x0035, regstack[4] & 0xFF7F); - b43legacy_radio_write16(dev, 0x007A, regstack[9] & 0xFFF0); - } - b43legacy_phy_write(dev, 0x0015, 0xB000); - b43legacy_phy_write(dev, 0x002B, 0x0004); - - if (phy->radio_ver == 0x2053) { - b43legacy_phy_write(dev, 0x002B, 0x0203); - b43legacy_phy_write(dev, 0x002A, 0x08A3); - } - - phy->minlowsig[0] = 0xFFFF; - - for (i = 0; i < 4; i++) { - b43legacy_radio_write16(dev, 0x0052, regstack[1] | i); - b43legacy_phy_lo_b_r15_loop(dev); - } - for (i = 0; i < 10; i++) { - b43legacy_radio_write16(dev, 0x0052, regstack[1] | i); - mls = b43legacy_phy_lo_b_r15_loop(dev) / 10; - if (mls < phy->minlowsig[0]) { - phy->minlowsig[0] = mls; - phy->minlowsigpos[0] = i; - } - } - b43legacy_radio_write16(dev, 0x0052, regstack[1] - | phy->minlowsigpos[0]); - - phy->minlowsig[1] = 0xFFFF; - - for (i = -4; i < 5; i += 2) { - for (j = -4; j < 5; j += 2) { - if (j < 0) - fval = (0x0100 * i) + j + 0x0100; - else - fval = (0x0100 * i) + j; - b43legacy_phy_write(dev, 0x002F, fval); - mls = b43legacy_phy_lo_b_r15_loop(dev) / 10; - if (mls < phy->minlowsig[1]) { - phy->minlowsig[1] = mls; - phy->minlowsigpos[1] = fval; - } - } - } - phy->minlowsigpos[1] += 0x0101; - - b43legacy_phy_write(dev, 0x002F, phy->minlowsigpos[1]); - if (phy->radio_ver == 0x2053) { - b43legacy_phy_write(dev, 0x000A, regstack[2]); - b43legacy_phy_write(dev, 0x002A, regstack[3]); - b43legacy_phy_write(dev, 0x0035, regstack[4]); - b43legacy_phy_write(dev, 0x0003, regstack[5]); - b43legacy_phy_write(dev, 0x0001, regstack[6]); - b43legacy_phy_write(dev, 0x0030, regstack[7]); - - b43legacy_radio_write16(dev, 0x0043, regstack[8]); - b43legacy_radio_write16(dev, 0x007A, regstack[9]); - - b43legacy_radio_write16(dev, 0x0052, - (b43legacy_radio_read16(dev, 0x0052) - & 0x000F) | regstack[11]); - - b43legacy_write16(dev, 0x03EC, regstack[10]); - } - b43legacy_phy_write(dev, 0x0015, regstack[0]); -} - -static inline -u16 b43legacy_phy_lo_g_deviation_subval(struct b43legacy_wldev *dev, - u16 control) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 ret; - unsigned long flags; - - local_irq_save(flags); - if (phy->gmode) { - b43legacy_phy_write(dev, 0x15, 0xE300); - control <<= 8; - b43legacy_phy_write(dev, 0x0812, control | 0x00B0); - udelay(5); - b43legacy_phy_write(dev, 0x0812, control | 0x00B2); - udelay(2); - b43legacy_phy_write(dev, 0x0812, control | 0x00B3); - udelay(4); - b43legacy_phy_write(dev, 0x0015, 0xF300); - udelay(8); - } else { - b43legacy_phy_write(dev, 0x0015, control | 0xEFA0); - udelay(2); - b43legacy_phy_write(dev, 0x0015, control | 0xEFE0); - udelay(4); - b43legacy_phy_write(dev, 0x0015, control | 0xFFE0); - udelay(8); - } - ret = b43legacy_phy_read(dev, 0x002D); - local_irq_restore(flags); - b43legacy_voluntary_preempt(); - - return ret; -} - -static u32 b43legacy_phy_lo_g_singledeviation(struct b43legacy_wldev *dev, - u16 control) -{ - int i; - u32 ret = 0; - - for (i = 0; i < 8; i++) - ret += b43legacy_phy_lo_g_deviation_subval(dev, control); - - return ret; -} - -/* Write the LocalOscillator CONTROL */ -static inline -void b43legacy_lo_write(struct b43legacy_wldev *dev, - struct b43legacy_lopair *pair) -{ - u16 value; - - value = (u8)(pair->low); - value |= ((u8)(pair->high)) << 8; - -#ifdef CONFIG_B43LEGACY_DEBUG - /* Sanity check. */ - if (pair->low < -8 || pair->low > 8 || - pair->high < -8 || pair->high > 8) { - b43legacydbg(dev->wl, - "WARNING: Writing invalid LOpair " - "(low: %d, high: %d)\n", - pair->low, pair->high); - dump_stack(); - } -#endif - - b43legacy_phy_write(dev, B43legacy_PHY_G_LO_CONTROL, value); -} - -static inline -struct b43legacy_lopair *b43legacy_find_lopair(struct b43legacy_wldev *dev, - u16 bbatt, - u16 rfatt, - u16 tx) -{ - static const u8 dict[10] = { 11, 10, 11, 12, 13, 12, 13, 12, 13, 12 }; - struct b43legacy_phy *phy = &dev->phy; - - if (bbatt > 6) - bbatt = 6; - B43legacy_WARN_ON(rfatt >= 10); - - if (tx == 3) - return b43legacy_get_lopair(phy, rfatt, bbatt); - return b43legacy_get_lopair(phy, dict[rfatt], bbatt); -} - -static inline -struct b43legacy_lopair *b43legacy_current_lopair(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - - return b43legacy_find_lopair(dev, phy->bbatt, - phy->rfatt, phy->txctl1); -} - -/* Adjust B/G LO */ -void b43legacy_phy_lo_adjust(struct b43legacy_wldev *dev, int fixed) -{ - struct b43legacy_lopair *pair; - - if (fixed) { - /* Use fixed values. Only for initialization. */ - pair = b43legacy_find_lopair(dev, 2, 3, 0); - } else - pair = b43legacy_current_lopair(dev); - b43legacy_lo_write(dev, pair); -} - -static void b43legacy_phy_lo_g_measure_txctl2(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 txctl2 = 0; - u16 i; - u32 smallest; - u32 tmp; - - b43legacy_radio_write16(dev, 0x0052, 0x0000); - udelay(10); - smallest = b43legacy_phy_lo_g_singledeviation(dev, 0); - for (i = 0; i < 16; i++) { - b43legacy_radio_write16(dev, 0x0052, i); - udelay(10); - tmp = b43legacy_phy_lo_g_singledeviation(dev, 0); - if (tmp < smallest) { - smallest = tmp; - txctl2 = i; - } - } - phy->txctl2 = txctl2; -} - -static -void b43legacy_phy_lo_g_state(struct b43legacy_wldev *dev, - const struct b43legacy_lopair *in_pair, - struct b43legacy_lopair *out_pair, - u16 r27) -{ - static const struct b43legacy_lopair transitions[8] = { - { .high = 1, .low = 1, }, - { .high = 1, .low = 0, }, - { .high = 1, .low = -1, }, - { .high = 0, .low = -1, }, - { .high = -1, .low = -1, }, - { .high = -1, .low = 0, }, - { .high = -1, .low = 1, }, - { .high = 0, .low = 1, }, - }; - struct b43legacy_lopair lowest_transition = { - .high = in_pair->high, - .low = in_pair->low, - }; - struct b43legacy_lopair tmp_pair; - struct b43legacy_lopair transition; - int i = 12; - int state = 0; - int found_lower; - int j; - int begin; - int end; - u32 lowest_deviation; - u32 tmp; - - /* Note that in_pair and out_pair can point to the same pair. - * Be careful. */ - - b43legacy_lo_write(dev, &lowest_transition); - lowest_deviation = b43legacy_phy_lo_g_singledeviation(dev, r27); - do { - found_lower = 0; - B43legacy_WARN_ON(!(state >= 0 && state <= 8)); - if (state == 0) { - begin = 1; - end = 8; - } else if (state % 2 == 0) { - begin = state - 1; - end = state + 1; - } else { - begin = state - 2; - end = state + 2; - } - if (begin < 1) - begin += 8; - if (end > 8) - end -= 8; - - j = begin; - tmp_pair.high = lowest_transition.high; - tmp_pair.low = lowest_transition.low; - while (1) { - B43legacy_WARN_ON(!(j >= 1 && j <= 8)); - transition.high = tmp_pair.high + - transitions[j - 1].high; - transition.low = tmp_pair.low + transitions[j - 1].low; - if ((abs(transition.low) < 9) - && (abs(transition.high) < 9)) { - b43legacy_lo_write(dev, &transition); - tmp = b43legacy_phy_lo_g_singledeviation(dev, - r27); - if (tmp < lowest_deviation) { - lowest_deviation = tmp; - state = j; - found_lower = 1; - - lowest_transition.high = - transition.high; - lowest_transition.low = transition.low; - } - } - if (j == end) - break; - if (j == 8) - j = 1; - else - j++; - } - } while (i-- && found_lower); - - out_pair->high = lowest_transition.high; - out_pair->low = lowest_transition.low; -} - -/* Set the baseband attenuation value on chip. */ -void b43legacy_phy_set_baseband_attenuation(struct b43legacy_wldev *dev, - u16 bbatt) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 value; - - if (phy->analog == 0) { - value = (b43legacy_read16(dev, 0x03E6) & 0xFFF0); - value |= (bbatt & 0x000F); - b43legacy_write16(dev, 0x03E6, value); - return; - } - - if (phy->analog > 1) { - value = b43legacy_phy_read(dev, 0x0060) & 0xFFC3; - value |= (bbatt << 2) & 0x003C; - } else { - value = b43legacy_phy_read(dev, 0x0060) & 0xFF87; - value |= (bbatt << 3) & 0x0078; - } - b43legacy_phy_write(dev, 0x0060, value); -} - -/* http://bcm-specs.sipsolutions.net/LocalOscillator/Measure */ -void b43legacy_phy_lo_g_measure(struct b43legacy_wldev *dev) -{ - static const u8 pairorder[10] = { 3, 1, 5, 7, 9, 2, 0, 4, 6, 8 }; - const int is_initializing = (b43legacy_status(dev) - < B43legacy_STAT_STARTED); - struct b43legacy_phy *phy = &dev->phy; - u16 h; - u16 i; - u16 oldi = 0; - u16 j; - struct b43legacy_lopair control; - struct b43legacy_lopair *tmp_control; - u16 tmp; - u16 regstack[16] = { 0 }; - u8 oldchannel; - - /* XXX: What are these? */ - u8 r27 = 0; - u16 r31; - - oldchannel = phy->channel; - /* Setup */ - if (phy->gmode) { - regstack[0] = b43legacy_phy_read(dev, B43legacy_PHY_G_CRS); - regstack[1] = b43legacy_phy_read(dev, 0x0802); - b43legacy_phy_write(dev, B43legacy_PHY_G_CRS, regstack[0] - & 0x7FFF); - b43legacy_phy_write(dev, 0x0802, regstack[1] & 0xFFFC); - } - regstack[3] = b43legacy_read16(dev, 0x03E2); - b43legacy_write16(dev, 0x03E2, regstack[3] | 0x8000); - regstack[4] = b43legacy_read16(dev, B43legacy_MMIO_CHANNEL_EXT); - regstack[5] = b43legacy_phy_read(dev, 0x15); - regstack[6] = b43legacy_phy_read(dev, 0x2A); - regstack[7] = b43legacy_phy_read(dev, 0x35); - regstack[8] = b43legacy_phy_read(dev, 0x60); - regstack[9] = b43legacy_radio_read16(dev, 0x43); - regstack[10] = b43legacy_radio_read16(dev, 0x7A); - regstack[11] = b43legacy_radio_read16(dev, 0x52); - if (phy->gmode) { - regstack[12] = b43legacy_phy_read(dev, 0x0811); - regstack[13] = b43legacy_phy_read(dev, 0x0812); - regstack[14] = b43legacy_phy_read(dev, 0x0814); - regstack[15] = b43legacy_phy_read(dev, 0x0815); - } - b43legacy_radio_selectchannel(dev, 6, 0); - if (phy->gmode) { - b43legacy_phy_write(dev, B43legacy_PHY_G_CRS, regstack[0] - & 0x7FFF); - b43legacy_phy_write(dev, 0x0802, regstack[1] & 0xFFFC); - b43legacy_dummy_transmission(dev); - } - b43legacy_radio_write16(dev, 0x0043, 0x0006); - - b43legacy_phy_set_baseband_attenuation(dev, 2); - - b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT, 0x0000); - b43legacy_phy_write(dev, 0x002E, 0x007F); - b43legacy_phy_write(dev, 0x080F, 0x0078); - b43legacy_phy_write(dev, 0x0035, regstack[7] & ~(1 << 7)); - b43legacy_radio_write16(dev, 0x007A, regstack[10] & 0xFFF0); - b43legacy_phy_write(dev, 0x002B, 0x0203); - b43legacy_phy_write(dev, 0x002A, 0x08A3); - if (phy->gmode) { - b43legacy_phy_write(dev, 0x0814, regstack[14] | 0x0003); - b43legacy_phy_write(dev, 0x0815, regstack[15] & 0xFFFC); - b43legacy_phy_write(dev, 0x0811, 0x01B3); - b43legacy_phy_write(dev, 0x0812, 0x00B2); - } - if (is_initializing) - b43legacy_phy_lo_g_measure_txctl2(dev); - b43legacy_phy_write(dev, 0x080F, 0x8078); - - /* Measure */ - control.low = 0; - control.high = 0; - for (h = 0; h < 10; h++) { - /* Loop over each possible RadioAttenuation (0-9) */ - i = pairorder[h]; - if (is_initializing) { - if (i == 3) { - control.low = 0; - control.high = 0; - } else if (((i % 2 == 1) && (oldi % 2 == 1)) || - ((i % 2 == 0) && (oldi % 2 == 0))) { - tmp_control = b43legacy_get_lopair(phy, oldi, - 0); - memcpy(&control, tmp_control, sizeof(control)); - } else { - tmp_control = b43legacy_get_lopair(phy, 3, 0); - memcpy(&control, tmp_control, sizeof(control)); - } - } - /* Loop over each possible BasebandAttenuation/2 */ - for (j = 0; j < 4; j++) { - if (is_initializing) { - tmp = i * 2 + j; - r27 = 0; - r31 = 0; - if (tmp > 14) { - r31 = 1; - if (tmp > 17) - r27 = 1; - if (tmp > 19) - r27 = 2; - } - } else { - tmp_control = b43legacy_get_lopair(phy, i, - j * 2); - if (!tmp_control->used) - continue; - memcpy(&control, tmp_control, sizeof(control)); - r27 = 3; - r31 = 0; - } - b43legacy_radio_write16(dev, 0x43, i); - b43legacy_radio_write16(dev, 0x52, phy->txctl2); - udelay(10); - b43legacy_voluntary_preempt(); - - b43legacy_phy_set_baseband_attenuation(dev, j * 2); - - tmp = (regstack[10] & 0xFFF0); - if (r31) - tmp |= 0x0008; - b43legacy_radio_write16(dev, 0x007A, tmp); - - tmp_control = b43legacy_get_lopair(phy, i, j * 2); - b43legacy_phy_lo_g_state(dev, &control, tmp_control, - r27); - } - oldi = i; - } - /* Loop over each possible RadioAttenuation (10-13) */ - for (i = 10; i < 14; i++) { - /* Loop over each possible BasebandAttenuation/2 */ - for (j = 0; j < 4; j++) { - if (is_initializing) { - tmp_control = b43legacy_get_lopair(phy, i - 9, - j * 2); - memcpy(&control, tmp_control, sizeof(control)); - /* FIXME: The next line is wrong, as the - * following if statement can never trigger. */ - tmp = (i - 9) * 2 + j - 5; - r27 = 0; - r31 = 0; - if (tmp > 14) { - r31 = 1; - if (tmp > 17) - r27 = 1; - if (tmp > 19) - r27 = 2; - } - } else { - tmp_control = b43legacy_get_lopair(phy, i - 9, - j * 2); - if (!tmp_control->used) - continue; - memcpy(&control, tmp_control, sizeof(control)); - r27 = 3; - r31 = 0; - } - b43legacy_radio_write16(dev, 0x43, i - 9); - /* FIXME: shouldn't txctl1 be zero in the next line - * and 3 in the loop above? */ - b43legacy_radio_write16(dev, 0x52, - phy->txctl2 - | (3/*txctl1*/ << 4)); - udelay(10); - b43legacy_voluntary_preempt(); - - b43legacy_phy_set_baseband_attenuation(dev, j * 2); - - tmp = (regstack[10] & 0xFFF0); - if (r31) - tmp |= 0x0008; - b43legacy_radio_write16(dev, 0x7A, tmp); - - tmp_control = b43legacy_get_lopair(phy, i, j * 2); - b43legacy_phy_lo_g_state(dev, &control, tmp_control, - r27); - } - } - - /* Restoration */ - if (phy->gmode) { - b43legacy_phy_write(dev, 0x0015, 0xE300); - b43legacy_phy_write(dev, 0x0812, (r27 << 8) | 0xA0); - udelay(5); - b43legacy_phy_write(dev, 0x0812, (r27 << 8) | 0xA2); - udelay(2); - b43legacy_phy_write(dev, 0x0812, (r27 << 8) | 0xA3); - b43legacy_voluntary_preempt(); - } else - b43legacy_phy_write(dev, 0x0015, r27 | 0xEFA0); - b43legacy_phy_lo_adjust(dev, is_initializing); - b43legacy_phy_write(dev, 0x002E, 0x807F); - if (phy->gmode) - b43legacy_phy_write(dev, 0x002F, 0x0202); - else - b43legacy_phy_write(dev, 0x002F, 0x0101); - b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT, regstack[4]); - b43legacy_phy_write(dev, 0x0015, regstack[5]); - b43legacy_phy_write(dev, 0x002A, regstack[6]); - b43legacy_phy_write(dev, 0x0035, regstack[7]); - b43legacy_phy_write(dev, 0x0060, regstack[8]); - b43legacy_radio_write16(dev, 0x0043, regstack[9]); - b43legacy_radio_write16(dev, 0x007A, regstack[10]); - regstack[11] &= 0x00F0; - regstack[11] |= (b43legacy_radio_read16(dev, 0x52) & 0x000F); - b43legacy_radio_write16(dev, 0x52, regstack[11]); - b43legacy_write16(dev, 0x03E2, regstack[3]); - if (phy->gmode) { - b43legacy_phy_write(dev, 0x0811, regstack[12]); - b43legacy_phy_write(dev, 0x0812, regstack[13]); - b43legacy_phy_write(dev, 0x0814, regstack[14]); - b43legacy_phy_write(dev, 0x0815, regstack[15]); - b43legacy_phy_write(dev, B43legacy_PHY_G_CRS, regstack[0]); - b43legacy_phy_write(dev, 0x0802, regstack[1]); - } - b43legacy_radio_selectchannel(dev, oldchannel, 1); - -#ifdef CONFIG_B43LEGACY_DEBUG - { - /* Sanity check for all lopairs. */ - for (i = 0; i < B43legacy_LO_COUNT; i++) { - tmp_control = phy->_lo_pairs + i; - if (tmp_control->low < -8 || tmp_control->low > 8 || - tmp_control->high < -8 || tmp_control->high > 8) - b43legacywarn(dev->wl, - "WARNING: Invalid LOpair (low: %d, high:" - " %d, index: %d)\n", - tmp_control->low, tmp_control->high, i); - } - } -#endif /* CONFIG_B43LEGACY_DEBUG */ -} - -static -void b43legacy_phy_lo_mark_current_used(struct b43legacy_wldev *dev) -{ - struct b43legacy_lopair *pair; - - pair = b43legacy_current_lopair(dev); - pair->used = 1; -} - -void b43legacy_phy_lo_mark_all_unused(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - struct b43legacy_lopair *pair; - int i; - - for (i = 0; i < B43legacy_LO_COUNT; i++) { - pair = phy->_lo_pairs + i; - pair->used = 0; - } -} - -/* http://bcm-specs.sipsolutions.net/EstimatePowerOut - * This function converts a TSSI value to dBm in Q5.2 - */ -static s8 b43legacy_phy_estimate_power_out(struct b43legacy_wldev *dev, s8 tssi) -{ - struct b43legacy_phy *phy = &dev->phy; - s8 dbm = 0; - s32 tmp; - - tmp = phy->idle_tssi; - tmp += tssi; - tmp -= phy->savedpctlreg; - - switch (phy->type) { - case B43legacy_PHYTYPE_B: - case B43legacy_PHYTYPE_G: - tmp = clamp_val(tmp, 0x00, 0x3F); - dbm = phy->tssi2dbm[tmp]; - break; - default: - B43legacy_BUG_ON(1); - } - - return dbm; -} - -/* http://bcm-specs.sipsolutions.net/RecalculateTransmissionPower */ -void b43legacy_phy_xmitpower(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 tmp; - u16 txpower; - s8 v0; - s8 v1; - s8 v2; - s8 v3; - s8 average; - int max_pwr; - s16 desired_pwr; - s16 estimated_pwr; - s16 pwr_adjust; - s16 radio_att_delta; - s16 baseband_att_delta; - s16 radio_attenuation; - s16 baseband_attenuation; - - if (phy->savedpctlreg == 0xFFFF) - return; - if ((dev->dev->bus->boardinfo.type == 0x0416) && - is_bcm_board_vendor(dev)) - return; -#ifdef CONFIG_B43LEGACY_DEBUG - if (phy->manual_txpower_control) - return; -#endif - - B43legacy_BUG_ON(!(phy->type == B43legacy_PHYTYPE_B || - phy->type == B43legacy_PHYTYPE_G)); - tmp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, 0x0058); - v0 = (s8)(tmp & 0x00FF); - v1 = (s8)((tmp & 0xFF00) >> 8); - tmp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, 0x005A); - v2 = (s8)(tmp & 0x00FF); - v3 = (s8)((tmp & 0xFF00) >> 8); - tmp = 0; - - if (v0 == 0x7F || v1 == 0x7F || v2 == 0x7F || v3 == 0x7F) { - tmp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, - 0x0070); - v0 = (s8)(tmp & 0x00FF); - v1 = (s8)((tmp & 0xFF00) >> 8); - tmp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, - 0x0072); - v2 = (s8)(tmp & 0x00FF); - v3 = (s8)((tmp & 0xFF00) >> 8); - if (v0 == 0x7F || v1 == 0x7F || v2 == 0x7F || v3 == 0x7F) - return; - v0 = (v0 + 0x20) & 0x3F; - v1 = (v1 + 0x20) & 0x3F; - v2 = (v2 + 0x20) & 0x3F; - v3 = (v3 + 0x20) & 0x3F; - tmp = 1; - } - b43legacy_radio_clear_tssi(dev); - - average = (v0 + v1 + v2 + v3 + 2) / 4; - - if (tmp && (b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, 0x005E) - & 0x8)) - average -= 13; - - estimated_pwr = b43legacy_phy_estimate_power_out(dev, average); - - max_pwr = dev->dev->bus->sprom.maxpwr_bg; - - if ((dev->dev->bus->sprom.boardflags_lo - & B43legacy_BFL_PACTRL) && - (phy->type == B43legacy_PHYTYPE_G)) - max_pwr -= 0x3; - if (unlikely(max_pwr <= 0)) { - b43legacywarn(dev->wl, "Invalid max-TX-power value in SPROM." - "\n"); - max_pwr = 74; /* fake it */ - dev->dev->bus->sprom.maxpwr_bg = max_pwr; - } - - /* Use regulatory information to get the maximum power. - * In the absence of such data from mac80211, we will use 20 dBm, which - * is the value for the EU, US, Canada, and most of the world. - * The regulatory maximum is reduced by the antenna gain (from sprom) - * and 1.5 dBm (a safety factor??). The result is in Q5.2 format - * which accounts for the factor of 4 */ -#define REG_MAX_PWR 20 - max_pwr = min(REG_MAX_PWR * 4 - - dev->dev->bus->sprom.antenna_gain.a0 - - 0x6, max_pwr); - - /* find the desired power in Q5.2 - power_level is in dBm - * and limit it - max_pwr is already in Q5.2 */ - desired_pwr = clamp_val(phy->power_level << 2, 0, max_pwr); - if (b43legacy_debug(dev, B43legacy_DBG_XMITPOWER)) - b43legacydbg(dev->wl, "Current TX power output: " Q52_FMT - " dBm, Desired TX power output: " Q52_FMT - " dBm\n", Q52_ARG(estimated_pwr), - Q52_ARG(desired_pwr)); - /* Check if we need to adjust the current power. The factor of 2 is - * for damping */ - pwr_adjust = (desired_pwr - estimated_pwr) / 2; - /* RF attenuation delta - * The minus sign is because lower attenuation => more power */ - radio_att_delta = -(pwr_adjust + 7) >> 3; - /* Baseband attenuation delta */ - baseband_att_delta = -(pwr_adjust >> 1) - (4 * radio_att_delta); - /* Do we need to adjust anything? */ - if ((radio_att_delta == 0) && (baseband_att_delta == 0)) { - b43legacy_phy_lo_mark_current_used(dev); - return; - } - - /* Calculate the new attenuation values. */ - baseband_attenuation = phy->bbatt; - baseband_attenuation += baseband_att_delta; - radio_attenuation = phy->rfatt; - radio_attenuation += radio_att_delta; - - /* Get baseband and radio attenuation values into permitted ranges. - * baseband 0-11, radio 0-9. - * Radio attenuation affects power level 4 times as much as baseband. - */ - if (radio_attenuation < 0) { - baseband_attenuation -= (4 * -radio_attenuation); - radio_attenuation = 0; - } else if (radio_attenuation > 9) { - baseband_attenuation += (4 * (radio_attenuation - 9)); - radio_attenuation = 9; - } else { - while (baseband_attenuation < 0 && radio_attenuation > 0) { - baseband_attenuation += 4; - radio_attenuation--; - } - while (baseband_attenuation > 11 && radio_attenuation < 9) { - baseband_attenuation -= 4; - radio_attenuation++; - } - } - baseband_attenuation = clamp_val(baseband_attenuation, 0, 11); - - txpower = phy->txctl1; - if ((phy->radio_ver == 0x2050) && (phy->radio_rev == 2)) { - if (radio_attenuation <= 1) { - if (txpower == 0) { - txpower = 3; - radio_attenuation += 2; - baseband_attenuation += 2; - } else if (dev->dev->bus->sprom.boardflags_lo - & B43legacy_BFL_PACTRL) { - baseband_attenuation += 4 * - (radio_attenuation - 2); - radio_attenuation = 2; - } - } else if (radio_attenuation > 4 && txpower != 0) { - txpower = 0; - if (baseband_attenuation < 3) { - radio_attenuation -= 3; - baseband_attenuation += 2; - } else { - radio_attenuation -= 2; - baseband_attenuation -= 2; - } - } - } - /* Save the control values */ - phy->txctl1 = txpower; - baseband_attenuation = clamp_val(baseband_attenuation, 0, 11); - radio_attenuation = clamp_val(radio_attenuation, 0, 9); - phy->rfatt = radio_attenuation; - phy->bbatt = baseband_attenuation; - - /* Adjust the hardware */ - b43legacy_phy_lock(dev); - b43legacy_radio_lock(dev); - b43legacy_radio_set_txpower_bg(dev, baseband_attenuation, - radio_attenuation, txpower); - b43legacy_phy_lo_mark_current_used(dev); - b43legacy_radio_unlock(dev); - b43legacy_phy_unlock(dev); -} - -static inline -s32 b43legacy_tssi2dbm_ad(s32 num, s32 den) -{ - if (num < 0) - return num/den; - else - return (num+den/2)/den; -} - -static inline -s8 b43legacy_tssi2dbm_entry(s8 entry [], u8 index, s16 pab0, s16 pab1, s16 pab2) -{ - s32 m1; - s32 m2; - s32 f = 256; - s32 q; - s32 delta; - s8 i = 0; - - m1 = b43legacy_tssi2dbm_ad(16 * pab0 + index * pab1, 32); - m2 = max(b43legacy_tssi2dbm_ad(32768 + index * pab2, 256), 1); - do { - if (i > 15) - return -EINVAL; - q = b43legacy_tssi2dbm_ad(f * 4096 - - b43legacy_tssi2dbm_ad(m2 * f, 16) * - f, 2048); - delta = abs(q - f); - f = q; - i++; - } while (delta >= 2); - entry[index] = clamp_val(b43legacy_tssi2dbm_ad(m1 * f, 8192), - -127, 128); - return 0; -} - -/* http://bcm-specs.sipsolutions.net/TSSI_to_DBM_Table */ -int b43legacy_phy_init_tssi2dbm_table(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - s16 pab0; - s16 pab1; - s16 pab2; - u8 idx; - s8 *dyn_tssi2dbm; - - B43legacy_WARN_ON(!(phy->type == B43legacy_PHYTYPE_B || - phy->type == B43legacy_PHYTYPE_G)); - pab0 = (s16)(dev->dev->bus->sprom.pa0b0); - pab1 = (s16)(dev->dev->bus->sprom.pa0b1); - pab2 = (s16)(dev->dev->bus->sprom.pa0b2); - - if ((dev->dev->bus->chip_id == 0x4301) && (phy->radio_ver != 0x2050)) { - phy->idle_tssi = 0x34; - phy->tssi2dbm = b43legacy_tssi2dbm_b_table; - return 0; - } - - if (pab0 != 0 && pab1 != 0 && pab2 != 0 && - pab0 != -1 && pab1 != -1 && pab2 != -1) { - /* The pabX values are set in SPROM. Use them. */ - if ((s8)dev->dev->bus->sprom.itssi_bg != 0 && - (s8)dev->dev->bus->sprom.itssi_bg != -1) - phy->idle_tssi = (s8)(dev->dev->bus->sprom. - itssi_bg); - else - phy->idle_tssi = 62; - dyn_tssi2dbm = kmalloc(64, GFP_KERNEL); - if (dyn_tssi2dbm == NULL) { - b43legacyerr(dev->wl, "Could not allocate memory " - "for tssi2dbm table\n"); - return -ENOMEM; - } - for (idx = 0; idx < 64; idx++) - if (b43legacy_tssi2dbm_entry(dyn_tssi2dbm, idx, pab0, - pab1, pab2)) { - phy->tssi2dbm = NULL; - b43legacyerr(dev->wl, "Could not generate " - "tssi2dBm table\n"); - kfree(dyn_tssi2dbm); - return -ENODEV; - } - phy->tssi2dbm = dyn_tssi2dbm; - phy->dyn_tssi_tbl = 1; - } else { - /* pabX values not set in SPROM. */ - switch (phy->type) { - case B43legacy_PHYTYPE_B: - phy->idle_tssi = 0x34; - phy->tssi2dbm = b43legacy_tssi2dbm_b_table; - break; - case B43legacy_PHYTYPE_G: - phy->idle_tssi = 0x34; - phy->tssi2dbm = b43legacy_tssi2dbm_g_table; - break; - } - } - - return 0; -} - -int b43legacy_phy_init(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - int err = -ENODEV; - - switch (phy->type) { - case B43legacy_PHYTYPE_B: - switch (phy->rev) { - case 2: - b43legacy_phy_initb2(dev); - err = 0; - break; - case 4: - b43legacy_phy_initb4(dev); - err = 0; - break; - case 5: - b43legacy_phy_initb5(dev); - err = 0; - break; - case 6: - b43legacy_phy_initb6(dev); - err = 0; - break; - } - break; - case B43legacy_PHYTYPE_G: - b43legacy_phy_initg(dev); - err = 0; - break; - } - if (err) - b43legacyerr(dev->wl, "Unknown PHYTYPE found\n"); - - return err; -} - -void b43legacy_phy_set_antenna_diversity(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 antennadiv; - u16 offset; - u16 value; - u32 ucodeflags; - - antennadiv = phy->antenna_diversity; - - if (antennadiv == 0xFFFF) - antennadiv = 3; - B43legacy_WARN_ON(antennadiv > 3); - - ucodeflags = b43legacy_shm_read32(dev, B43legacy_SHM_SHARED, - B43legacy_UCODEFLAGS_OFFSET); - b43legacy_shm_write32(dev, B43legacy_SHM_SHARED, - B43legacy_UCODEFLAGS_OFFSET, - ucodeflags & ~B43legacy_UCODEFLAG_AUTODIV); - - switch (phy->type) { - case B43legacy_PHYTYPE_G: - offset = 0x0400; - - if (antennadiv == 2) - value = (3/*automatic*/ << 7); - else - value = (antennadiv << 7); - b43legacy_phy_write(dev, offset + 1, - (b43legacy_phy_read(dev, offset + 1) - & 0x7E7F) | value); - - if (antennadiv >= 2) { - if (antennadiv == 2) - value = (antennadiv << 7); - else - value = (0/*force0*/ << 7); - b43legacy_phy_write(dev, offset + 0x2B, - (b43legacy_phy_read(dev, - offset + 0x2B) - & 0xFEFF) | value); - } - - if (phy->type == B43legacy_PHYTYPE_G) { - if (antennadiv >= 2) - b43legacy_phy_write(dev, 0x048C, - b43legacy_phy_read(dev, - 0x048C) | 0x2000); - else - b43legacy_phy_write(dev, 0x048C, - b43legacy_phy_read(dev, - 0x048C) & ~0x2000); - if (phy->rev >= 2) { - b43legacy_phy_write(dev, 0x0461, - b43legacy_phy_read(dev, - 0x0461) | 0x0010); - b43legacy_phy_write(dev, 0x04AD, - (b43legacy_phy_read(dev, - 0x04AD) - & 0x00FF) | 0x0015); - if (phy->rev == 2) - b43legacy_phy_write(dev, 0x0427, - 0x0008); - else - b43legacy_phy_write(dev, 0x0427, - (b43legacy_phy_read(dev, 0x0427) - & 0x00FF) | 0x0008); - } else if (phy->rev >= 6) - b43legacy_phy_write(dev, 0x049B, 0x00DC); - } else { - if (phy->rev < 3) - b43legacy_phy_write(dev, 0x002B, - (b43legacy_phy_read(dev, - 0x002B) & 0x00FF) - | 0x0024); - else { - b43legacy_phy_write(dev, 0x0061, - b43legacy_phy_read(dev, - 0x0061) | 0x0010); - if (phy->rev == 3) { - b43legacy_phy_write(dev, 0x0093, - 0x001D); - b43legacy_phy_write(dev, 0x0027, - 0x0008); - } else { - b43legacy_phy_write(dev, 0x0093, - 0x003A); - b43legacy_phy_write(dev, 0x0027, - (b43legacy_phy_read(dev, 0x0027) - & 0x00FF) | 0x0008); - } - } - } - break; - case B43legacy_PHYTYPE_B: - if (dev->dev->id.revision == 2) - value = (3/*automatic*/ << 7); - else - value = (antennadiv << 7); - b43legacy_phy_write(dev, 0x03E2, - (b43legacy_phy_read(dev, 0x03E2) - & 0xFE7F) | value); - break; - default: - B43legacy_WARN_ON(1); - } - - if (antennadiv >= 2) { - ucodeflags = b43legacy_shm_read32(dev, B43legacy_SHM_SHARED, - B43legacy_UCODEFLAGS_OFFSET); - b43legacy_shm_write32(dev, B43legacy_SHM_SHARED, - B43legacy_UCODEFLAGS_OFFSET, - ucodeflags | B43legacy_UCODEFLAG_AUTODIV); - } - - phy->antenna_diversity = antennadiv; -} - -/* Set the PowerSavingControlBits. - * Bitvalues: - * 0 => unset the bit - * 1 => set the bit - * -1 => calculate the bit - */ -void b43legacy_power_saving_ctl_bits(struct b43legacy_wldev *dev, - int bit25, int bit26) -{ - int i; - u32 status; - -/* FIXME: Force 25 to off and 26 to on for now: */ -bit25 = 0; -bit26 = 1; - - if (bit25 == -1) { - /* TODO: If powersave is not off and FIXME is not set and we - * are not in adhoc and thus is not an AP and we arei - * associated, set bit 25 */ - } - if (bit26 == -1) { - /* TODO: If the device is awake or this is an AP, or we are - * scanning, or FIXME, or we are associated, or FIXME, - * or the latest PS-Poll packet sent was successful, - * set bit26 */ - } - status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); - if (bit25) - status |= B43legacy_MACCTL_HWPS; - else - status &= ~B43legacy_MACCTL_HWPS; - if (bit26) - status |= B43legacy_MACCTL_AWAKE; - else - status &= ~B43legacy_MACCTL_AWAKE; - b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status); - if (bit26 && dev->dev->id.revision >= 5) { - for (i = 0; i < 100; i++) { - if (b43legacy_shm_read32(dev, B43legacy_SHM_SHARED, - 0x0040) != 4) - break; - udelay(10); - } - } -} diff --git a/drivers/net/wireless/b43legacy/phy.h b/drivers/net/wireless/b43legacy/phy.h deleted file mode 100644 index 831a7a476..000000000 --- a/drivers/net/wireless/b43legacy/phy.h +++ /dev/null @@ -1,209 +0,0 @@ -/* - - Broadcom B43legacy wireless driver - - Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, - Stefano Brivio <stefano.brivio@polimi.it> - Michael Buesch <m@bues.ch> - Danny van Dyk <kugelfang@gentoo.org> - Andreas Jaggi <andreas.jaggi@waterwave.ch> - Copyright (c) 2007 Larry Finger <Larry.Finger@lwfinger.net> - - Some parts of the code in this file are derived from the ipw2200 - driver Copyright(c) 2003 - 2004 Intel Corporation. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#ifndef B43legacy_PHY_H_ -#define B43legacy_PHY_H_ - -#include <linux/types.h> - -enum { - B43legacy_ANTENNA0, /* Antenna 0 */ - B43legacy_ANTENNA1, /* Antenna 0 */ - B43legacy_ANTENNA_AUTO1, /* Automatic, starting with antenna 1 */ - B43legacy_ANTENNA_AUTO0, /* Automatic, starting with antenna 0 */ - - B43legacy_ANTENNA_AUTO = B43legacy_ANTENNA_AUTO0, - B43legacy_ANTENNA_DEFAULT = B43legacy_ANTENNA_AUTO, -}; - -enum { - B43legacy_INTERFMODE_NONE, - B43legacy_INTERFMODE_NONWLAN, - B43legacy_INTERFMODE_MANUALWLAN, - B43legacy_INTERFMODE_AUTOWLAN, -}; - -/*** PHY Registers ***/ - -/* Routing */ -#define B43legacy_PHYROUTE_OFDM_GPHY 0x400 -#define B43legacy_PHYROUTE_EXT_GPHY 0x800 - -/* Base registers. */ -#define B43legacy_PHY_BASE(reg) (reg) -/* OFDM (A) registers of a G-PHY */ -#define B43legacy_PHY_OFDM(reg) ((reg) | B43legacy_PHYROUTE_OFDM_GPHY) -/* Extended G-PHY registers */ -#define B43legacy_PHY_EXTG(reg) ((reg) | B43legacy_PHYROUTE_EXT_GPHY) - - -/* Extended G-PHY Registers */ -#define B43legacy_PHY_CLASSCTL B43legacy_PHY_EXTG(0x02) /* Classify control */ -#define B43legacy_PHY_GTABCTL B43legacy_PHY_EXTG(0x03) /* G-PHY table control (see below) */ -#define B43legacy_PHY_GTABOFF 0x03FF /* G-PHY table offset (see below) */ -#define B43legacy_PHY_GTABNR 0xFC00 /* G-PHY table number (see below) */ -#define B43legacy_PHY_GTABNR_SHIFT 10 -#define B43legacy_PHY_GTABDATA B43legacy_PHY_EXTG(0x04) /* G-PHY table data */ -#define B43legacy_PHY_LO_MASK B43legacy_PHY_EXTG(0x0F) /* Local Oscillator control mask */ -#define B43legacy_PHY_LO_CTL B43legacy_PHY_EXTG(0x10) /* Local Oscillator control */ -#define B43legacy_PHY_RFOVER B43legacy_PHY_EXTG(0x11) /* RF override */ -#define B43legacy_PHY_RFOVERVAL B43legacy_PHY_EXTG(0x12) /* RF override value */ -/*** OFDM table numbers ***/ -#define B43legacy_OFDMTAB(number, offset) \ - (((number) << B43legacy_PHY_OTABLENR_SHIFT) \ - | (offset)) -#define B43legacy_OFDMTAB_AGC1 B43legacy_OFDMTAB(0x00, 0) -#define B43legacy_OFDMTAB_GAIN0 B43legacy_OFDMTAB(0x00, 0) -#define B43legacy_OFDMTAB_GAINX B43legacy_OFDMTAB(0x01, 0) -#define B43legacy_OFDMTAB_GAIN1 B43legacy_OFDMTAB(0x01, 4) -#define B43legacy_OFDMTAB_AGC3 B43legacy_OFDMTAB(0x02, 0) -#define B43legacy_OFDMTAB_GAIN2 B43legacy_OFDMTAB(0x02, 3) -#define B43legacy_OFDMTAB_LNAHPFGAIN1 B43legacy_OFDMTAB(0x03, 0) -#define B43legacy_OFDMTAB_WRSSI B43legacy_OFDMTAB(0x04, 0) -#define B43legacy_OFDMTAB_LNAHPFGAIN2 B43legacy_OFDMTAB(0x04, 0) -#define B43legacy_OFDMTAB_NOISESCALE B43legacy_OFDMTAB(0x05, 0) -#define B43legacy_OFDMTAB_AGC2 B43legacy_OFDMTAB(0x06, 0) -#define B43legacy_OFDMTAB_ROTOR B43legacy_OFDMTAB(0x08, 0) -#define B43legacy_OFDMTAB_ADVRETARD B43legacy_OFDMTAB(0x09, 0) -#define B43legacy_OFDMTAB_DAC B43legacy_OFDMTAB(0x0C, 0) -#define B43legacy_OFDMTAB_DC B43legacy_OFDMTAB(0x0E, 7) -#define B43legacy_OFDMTAB_PWRDYN2 B43legacy_OFDMTAB(0x0E, 12) -#define B43legacy_OFDMTAB_LNAGAIN B43legacy_OFDMTAB(0x0E, 13) - -#define B43legacy_OFDMTAB_LPFGAIN B43legacy_OFDMTAB(0x0F, 12) -#define B43legacy_OFDMTAB_RSSI B43legacy_OFDMTAB(0x10, 0) - -#define B43legacy_OFDMTAB_AGC1_R1 B43legacy_OFDMTAB(0x13, 0) -#define B43legacy_OFDMTAB_GAINX_R1 B43legacy_OFDMTAB(0x14, 0) -#define B43legacy_OFDMTAB_MINSIGSQ B43legacy_OFDMTAB(0x14, 1) -#define B43legacy_OFDMTAB_AGC3_R1 B43legacy_OFDMTAB(0x15, 0) -#define B43legacy_OFDMTAB_WRSSI_R1 B43legacy_OFDMTAB(0x15, 4) -#define B43legacy_OFDMTAB_TSSI B43legacy_OFDMTAB(0x15, 0) -#define B43legacy_OFDMTAB_DACRFPABB B43legacy_OFDMTAB(0x16, 0) -#define B43legacy_OFDMTAB_DACOFF B43legacy_OFDMTAB(0x17, 0) -#define B43legacy_OFDMTAB_DCBIAS B43legacy_OFDMTAB(0x18, 0) - -void b43legacy_put_attenuation_into_ranges(int *_bbatt, int *_rfatt); - -/* OFDM (A) PHY Registers */ -#define B43legacy_PHY_VERSION_OFDM B43legacy_PHY_OFDM(0x00) /* Versioning register for A-PHY */ -#define B43legacy_PHY_BBANDCFG B43legacy_PHY_OFDM(0x01) /* Baseband config */ -#define B43legacy_PHY_BBANDCFG_RXANT 0x180 /* RX Antenna selection */ -#define B43legacy_PHY_BBANDCFG_RXANT_SHIFT 7 -#define B43legacy_PHY_PWRDOWN B43legacy_PHY_OFDM(0x03) /* Powerdown */ -#define B43legacy_PHY_CRSTHRES1 B43legacy_PHY_OFDM(0x06) /* CRS Threshold 1 */ -#define B43legacy_PHY_LNAHPFCTL B43legacy_PHY_OFDM(0x1C) /* LNA/HPF control */ -#define B43legacy_PHY_ADIVRELATED B43legacy_PHY_OFDM(0x27) /* FIXME rename */ -#define B43legacy_PHY_CRS0 B43legacy_PHY_OFDM(0x29) -#define B43legacy_PHY_ANTDWELL B43legacy_PHY_OFDM(0x2B) /* Antenna dwell */ -#define B43legacy_PHY_ANTDWELL_AUTODIV1 0x0100 /* Automatic RX diversity start antenna */ -#define B43legacy_PHY_ENCORE B43legacy_PHY_OFDM(0x49) /* "Encore" (RangeMax / BroadRange) */ -#define B43legacy_PHY_ENCORE_EN 0x0200 /* Encore enable */ -#define B43legacy_PHY_LMS B43legacy_PHY_OFDM(0x55) -#define B43legacy_PHY_OFDM61 B43legacy_PHY_OFDM(0x61) /* FIXME rename */ -#define B43legacy_PHY_OFDM61_10 0x0010 /* FIXME rename */ -#define B43legacy_PHY_IQBAL B43legacy_PHY_OFDM(0x69) /* I/Q balance */ -#define B43legacy_PHY_OTABLECTL B43legacy_PHY_OFDM(0x72) /* OFDM table control (see below) */ -#define B43legacy_PHY_OTABLEOFF 0x03FF /* OFDM table offset (see below) */ -#define B43legacy_PHY_OTABLENR 0xFC00 /* OFDM table number (see below) */ -#define B43legacy_PHY_OTABLENR_SHIFT 10 -#define B43legacy_PHY_OTABLEI B43legacy_PHY_OFDM(0x73) /* OFDM table data I */ -#define B43legacy_PHY_OTABLEQ B43legacy_PHY_OFDM(0x74) /* OFDM table data Q */ -#define B43legacy_PHY_HPWR_TSSICTL B43legacy_PHY_OFDM(0x78) /* Hardware power TSSI control */ -#define B43legacy_PHY_NRSSITHRES B43legacy_PHY_OFDM(0x8A) /* NRSSI threshold */ -#define B43legacy_PHY_ANTWRSETT B43legacy_PHY_OFDM(0x8C) /* Antenna WR settle */ -#define B43legacy_PHY_ANTWRSETT_ARXDIV 0x2000 /* Automatic RX diversity enabled */ -#define B43legacy_PHY_CLIPPWRDOWNT B43legacy_PHY_OFDM(0x93) /* Clip powerdown threshold */ -#define B43legacy_PHY_OFDM9B B43legacy_PHY_OFDM(0x9B) /* FIXME rename */ -#define B43legacy_PHY_N1P1GAIN B43legacy_PHY_OFDM(0xA0) -#define B43legacy_PHY_P1P2GAIN B43legacy_PHY_OFDM(0xA1) -#define B43legacy_PHY_N1N2GAIN B43legacy_PHY_OFDM(0xA2) -#define B43legacy_PHY_CLIPTHRES B43legacy_PHY_OFDM(0xA3) -#define B43legacy_PHY_CLIPN1P2THRES B43legacy_PHY_OFDM(0xA4) -#define B43legacy_PHY_DIVSRCHIDX B43legacy_PHY_OFDM(0xA8) /* Divider search gain/index */ -#define B43legacy_PHY_CLIPP2THRES B43legacy_PHY_OFDM(0xA9) -#define B43legacy_PHY_CLIPP3THRES B43legacy_PHY_OFDM(0xAA) -#define B43legacy_PHY_DIVP1P2GAIN B43legacy_PHY_OFDM(0xAB) -#define B43legacy_PHY_DIVSRCHGAINBACK B43legacy_PHY_OFDM(0xAD) /* Divider search gain back */ -#define B43legacy_PHY_DIVSRCHGAINCHNG B43legacy_PHY_OFDM(0xAE) /* Divider search gain change */ -#define B43legacy_PHY_CRSTHRES1_R1 B43legacy_PHY_OFDM(0xC0) /* CRS Threshold 1 (rev 1 only) */ -#define B43legacy_PHY_CRSTHRES2_R1 B43legacy_PHY_OFDM(0xC1) /* CRS Threshold 2 (rev 1 only) */ -#define B43legacy_PHY_TSSIP_LTBASE B43legacy_PHY_OFDM(0x380) /* TSSI power lookup table base */ -#define B43legacy_PHY_DC_LTBASE B43legacy_PHY_OFDM(0x3A0) /* DC lookup table base */ -#define B43legacy_PHY_GAIN_LTBASE B43legacy_PHY_OFDM(0x3C0) /* Gain lookup table base */ - -void b43legacy_put_attenuation_into_ranges(int *_bbatt, int *_rfatt); - -/* Masks for the different PHY versioning registers. */ -#define B43legacy_PHYVER_ANALOG 0xF000 -#define B43legacy_PHYVER_ANALOG_SHIFT 12 -#define B43legacy_PHYVER_TYPE 0x0F00 -#define B43legacy_PHYVER_TYPE_SHIFT 8 -#define B43legacy_PHYVER_VERSION 0x00FF - -struct b43legacy_wldev; - -void b43legacy_phy_lock(struct b43legacy_wldev *dev); -void b43legacy_phy_unlock(struct b43legacy_wldev *dev); - -/* Card uses the loopback gain stuff */ -#define has_loopback_gain(phy) \ - (((phy)->rev > 1) || ((phy)->gmode)) - -u16 b43legacy_phy_read(struct b43legacy_wldev *dev, u16 offset); -void b43legacy_phy_write(struct b43legacy_wldev *dev, u16 offset, u16 val); - -int b43legacy_phy_init_tssi2dbm_table(struct b43legacy_wldev *dev); -int b43legacy_phy_init(struct b43legacy_wldev *dev); - -void b43legacy_set_rx_antenna(struct b43legacy_wldev *dev, int antenna); - -void b43legacy_phy_set_antenna_diversity(struct b43legacy_wldev *dev); -void b43legacy_phy_calibrate(struct b43legacy_wldev *dev); -int b43legacy_phy_connect(struct b43legacy_wldev *dev, int connect); - -void b43legacy_phy_lo_b_measure(struct b43legacy_wldev *dev); -void b43legacy_phy_lo_g_measure(struct b43legacy_wldev *dev); -void b43legacy_phy_xmitpower(struct b43legacy_wldev *dev); - -/* Adjust the LocalOscillator to the saved values. - * "fixed" is only set to 1 once in initialization. Set to 0 otherwise. - */ -void b43legacy_phy_lo_adjust(struct b43legacy_wldev *dev, int fixed); -void b43legacy_phy_lo_mark_all_unused(struct b43legacy_wldev *dev); - -void b43legacy_phy_set_baseband_attenuation(struct b43legacy_wldev *dev, - u16 baseband_attenuation); - -void b43legacy_power_saving_ctl_bits(struct b43legacy_wldev *dev, - int bit25, int bit26); - -#endif /* B43legacy_PHY_H_ */ diff --git a/drivers/net/wireless/b43legacy/pio.c b/drivers/net/wireless/b43legacy/pio.c deleted file mode 100644 index 282eedec6..000000000 --- a/drivers/net/wireless/b43legacy/pio.c +++ /dev/null @@ -1,695 +0,0 @@ -/* - - Broadcom B43legacy wireless driver - - PIO Transmission - - Copyright (c) 2005 Michael Buesch <m@bues.ch> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include "b43legacy.h" -#include "pio.h" -#include "main.h" -#include "xmit.h" - -#include <linux/delay.h> -#include <linux/slab.h> - - -static void tx_start(struct b43legacy_pioqueue *queue) -{ - b43legacy_pio_write(queue, B43legacy_PIO_TXCTL, - B43legacy_PIO_TXCTL_INIT); -} - -static void tx_octet(struct b43legacy_pioqueue *queue, - u8 octet) -{ - if (queue->need_workarounds) { - b43legacy_pio_write(queue, B43legacy_PIO_TXDATA, octet); - b43legacy_pio_write(queue, B43legacy_PIO_TXCTL, - B43legacy_PIO_TXCTL_WRITELO); - } else { - b43legacy_pio_write(queue, B43legacy_PIO_TXCTL, - B43legacy_PIO_TXCTL_WRITELO); - b43legacy_pio_write(queue, B43legacy_PIO_TXDATA, octet); - } -} - -static u16 tx_get_next_word(const u8 *txhdr, - const u8 *packet, - size_t txhdr_size, - unsigned int *pos) -{ - const u8 *source; - unsigned int i = *pos; - u16 ret; - - if (i < txhdr_size) - source = txhdr; - else { - source = packet; - i -= txhdr_size; - } - ret = le16_to_cpu(*((__le16 *)(source + i))); - *pos += 2; - - return ret; -} - -static void tx_data(struct b43legacy_pioqueue *queue, - u8 *txhdr, - const u8 *packet, - unsigned int octets) -{ - u16 data; - unsigned int i = 0; - - if (queue->need_workarounds) { - data = tx_get_next_word(txhdr, packet, - sizeof(struct b43legacy_txhdr_fw3), &i); - b43legacy_pio_write(queue, B43legacy_PIO_TXDATA, data); - } - b43legacy_pio_write(queue, B43legacy_PIO_TXCTL, - B43legacy_PIO_TXCTL_WRITELO | - B43legacy_PIO_TXCTL_WRITEHI); - while (i < octets - 1) { - data = tx_get_next_word(txhdr, packet, - sizeof(struct b43legacy_txhdr_fw3), &i); - b43legacy_pio_write(queue, B43legacy_PIO_TXDATA, data); - } - if (octets % 2) - tx_octet(queue, packet[octets - - sizeof(struct b43legacy_txhdr_fw3) - 1]); -} - -static void tx_complete(struct b43legacy_pioqueue *queue, - struct sk_buff *skb) -{ - if (queue->need_workarounds) { - b43legacy_pio_write(queue, B43legacy_PIO_TXDATA, - skb->data[skb->len - 1]); - b43legacy_pio_write(queue, B43legacy_PIO_TXCTL, - B43legacy_PIO_TXCTL_WRITELO | - B43legacy_PIO_TXCTL_COMPLETE); - } else - b43legacy_pio_write(queue, B43legacy_PIO_TXCTL, - B43legacy_PIO_TXCTL_COMPLETE); -} - -static u16 generate_cookie(struct b43legacy_pioqueue *queue, - struct b43legacy_pio_txpacket *packet) -{ - u16 cookie = 0x0000; - int packetindex; - - /* We use the upper 4 bits for the PIO - * controller ID and the lower 12 bits - * for the packet index (in the cache). - */ - switch (queue->mmio_base) { - case B43legacy_MMIO_PIO1_BASE: - break; - case B43legacy_MMIO_PIO2_BASE: - cookie = 0x1000; - break; - case B43legacy_MMIO_PIO3_BASE: - cookie = 0x2000; - break; - case B43legacy_MMIO_PIO4_BASE: - cookie = 0x3000; - break; - default: - B43legacy_WARN_ON(1); - } - packetindex = pio_txpacket_getindex(packet); - B43legacy_WARN_ON(!(((u16)packetindex & 0xF000) == 0x0000)); - cookie |= (u16)packetindex; - - return cookie; -} - -static -struct b43legacy_pioqueue *parse_cookie(struct b43legacy_wldev *dev, - u16 cookie, - struct b43legacy_pio_txpacket **packet) -{ - struct b43legacy_pio *pio = &dev->pio; - struct b43legacy_pioqueue *queue = NULL; - int packetindex; - - switch (cookie & 0xF000) { - case 0x0000: - queue = pio->queue0; - break; - case 0x1000: - queue = pio->queue1; - break; - case 0x2000: - queue = pio->queue2; - break; - case 0x3000: - queue = pio->queue3; - break; - default: - B43legacy_WARN_ON(1); - } - packetindex = (cookie & 0x0FFF); - B43legacy_WARN_ON(!(packetindex >= 0 && packetindex - < B43legacy_PIO_MAXTXPACKETS)); - *packet = &(queue->tx_packets_cache[packetindex]); - - return queue; -} - -union txhdr_union { - struct b43legacy_txhdr_fw3 txhdr_fw3; -}; - -static int pio_tx_write_fragment(struct b43legacy_pioqueue *queue, - struct sk_buff *skb, - struct b43legacy_pio_txpacket *packet, - size_t txhdr_size) -{ - union txhdr_union txhdr_data; - u8 *txhdr = NULL; - unsigned int octets; - int err; - - txhdr = (u8 *)(&txhdr_data.txhdr_fw3); - - B43legacy_WARN_ON(skb_shinfo(skb)->nr_frags != 0); - err = b43legacy_generate_txhdr(queue->dev, - txhdr, skb->data, skb->len, - IEEE80211_SKB_CB(skb), - generate_cookie(queue, packet)); - if (err) - return err; - - tx_start(queue); - octets = skb->len + txhdr_size; - if (queue->need_workarounds) - octets--; - tx_data(queue, txhdr, (u8 *)skb->data, octets); - tx_complete(queue, skb); - - return 0; -} - -static void free_txpacket(struct b43legacy_pio_txpacket *packet, - int irq_context) -{ - struct b43legacy_pioqueue *queue = packet->queue; - - if (packet->skb) { - if (irq_context) - dev_kfree_skb_irq(packet->skb); - else - dev_kfree_skb(packet->skb); - } - list_move(&packet->list, &queue->txfree); - queue->nr_txfree++; -} - -static int pio_tx_packet(struct b43legacy_pio_txpacket *packet) -{ - struct b43legacy_pioqueue *queue = packet->queue; - struct sk_buff *skb = packet->skb; - u16 octets; - int err; - - octets = (u16)skb->len + sizeof(struct b43legacy_txhdr_fw3); - if (queue->tx_devq_size < octets) { - b43legacywarn(queue->dev->wl, "PIO queue too small. " - "Dropping packet.\n"); - /* Drop it silently (return success) */ - free_txpacket(packet, 1); - return 0; - } - B43legacy_WARN_ON(queue->tx_devq_packets > - B43legacy_PIO_MAXTXDEVQPACKETS); - B43legacy_WARN_ON(queue->tx_devq_used > queue->tx_devq_size); - /* Check if there is sufficient free space on the device - * TX queue. If not, return and let the TX tasklet - * retry later. - */ - if (queue->tx_devq_packets == B43legacy_PIO_MAXTXDEVQPACKETS) - return -EBUSY; - if (queue->tx_devq_used + octets > queue->tx_devq_size) - return -EBUSY; - /* Now poke the device. */ - err = pio_tx_write_fragment(queue, skb, packet, - sizeof(struct b43legacy_txhdr_fw3)); - if (unlikely(err == -ENOKEY)) { - /* Drop this packet, as we don't have the encryption key - * anymore and must not transmit it unencrypted. */ - free_txpacket(packet, 1); - return 0; - } - - /* Account for the packet size. - * (We must not overflow the device TX queue) - */ - queue->tx_devq_packets++; - queue->tx_devq_used += octets; - - /* Transmission started, everything ok, move the - * packet to the txrunning list. - */ - list_move_tail(&packet->list, &queue->txrunning); - - return 0; -} - -static void tx_tasklet(unsigned long d) -{ - struct b43legacy_pioqueue *queue = (struct b43legacy_pioqueue *)d; - struct b43legacy_wldev *dev = queue->dev; - unsigned long flags; - struct b43legacy_pio_txpacket *packet, *tmp_packet; - int err; - u16 txctl; - - spin_lock_irqsave(&dev->wl->irq_lock, flags); - if (queue->tx_frozen) - goto out_unlock; - txctl = b43legacy_pio_read(queue, B43legacy_PIO_TXCTL); - if (txctl & B43legacy_PIO_TXCTL_SUSPEND) - goto out_unlock; - - list_for_each_entry_safe(packet, tmp_packet, &queue->txqueue, list) { - /* Try to transmit the packet. This can fail, if - * the device queue is full. In case of failure, the - * packet is left in the txqueue. - * If transmission succeed, the packet is moved to txrunning. - * If it is impossible to transmit the packet, it - * is dropped. - */ - err = pio_tx_packet(packet); - if (err) - break; - } -out_unlock: - spin_unlock_irqrestore(&dev->wl->irq_lock, flags); -} - -static void setup_txqueues(struct b43legacy_pioqueue *queue) -{ - struct b43legacy_pio_txpacket *packet; - int i; - - queue->nr_txfree = B43legacy_PIO_MAXTXPACKETS; - for (i = 0; i < B43legacy_PIO_MAXTXPACKETS; i++) { - packet = &(queue->tx_packets_cache[i]); - - packet->queue = queue; - INIT_LIST_HEAD(&packet->list); - - list_add(&packet->list, &queue->txfree); - } -} - -static -struct b43legacy_pioqueue *b43legacy_setup_pioqueue(struct b43legacy_wldev *dev, - u16 pio_mmio_base) -{ - struct b43legacy_pioqueue *queue; - u32 value; - u16 qsize; - - queue = kzalloc(sizeof(*queue), GFP_KERNEL); - if (!queue) - goto out; - - queue->dev = dev; - queue->mmio_base = pio_mmio_base; - queue->need_workarounds = (dev->dev->id.revision < 3); - - INIT_LIST_HEAD(&queue->txfree); - INIT_LIST_HEAD(&queue->txqueue); - INIT_LIST_HEAD(&queue->txrunning); - tasklet_init(&queue->txtask, tx_tasklet, - (unsigned long)queue); - - value = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); - value &= ~B43legacy_MACCTL_BE; - b43legacy_write32(dev, B43legacy_MMIO_MACCTL, value); - - qsize = b43legacy_read16(dev, queue->mmio_base - + B43legacy_PIO_TXQBUFSIZE); - if (qsize == 0) { - b43legacyerr(dev->wl, "This card does not support PIO " - "operation mode. Please use DMA mode " - "(module parameter pio=0).\n"); - goto err_freequeue; - } - if (qsize <= B43legacy_PIO_TXQADJUST) { - b43legacyerr(dev->wl, "PIO tx device-queue too small (%u)\n", - qsize); - goto err_freequeue; - } - qsize -= B43legacy_PIO_TXQADJUST; - queue->tx_devq_size = qsize; - - setup_txqueues(queue); - -out: - return queue; - -err_freequeue: - kfree(queue); - queue = NULL; - goto out; -} - -static void cancel_transfers(struct b43legacy_pioqueue *queue) -{ - struct b43legacy_pio_txpacket *packet, *tmp_packet; - - tasklet_kill(&queue->txtask); - - list_for_each_entry_safe(packet, tmp_packet, &queue->txrunning, list) - free_txpacket(packet, 0); - list_for_each_entry_safe(packet, tmp_packet, &queue->txqueue, list) - free_txpacket(packet, 0); -} - -static void b43legacy_destroy_pioqueue(struct b43legacy_pioqueue *queue) -{ - if (!queue) - return; - - cancel_transfers(queue); - kfree(queue); -} - -void b43legacy_pio_free(struct b43legacy_wldev *dev) -{ - struct b43legacy_pio *pio; - - if (!b43legacy_using_pio(dev)) - return; - pio = &dev->pio; - - b43legacy_destroy_pioqueue(pio->queue3); - pio->queue3 = NULL; - b43legacy_destroy_pioqueue(pio->queue2); - pio->queue2 = NULL; - b43legacy_destroy_pioqueue(pio->queue1); - pio->queue1 = NULL; - b43legacy_destroy_pioqueue(pio->queue0); - pio->queue0 = NULL; -} - -int b43legacy_pio_init(struct b43legacy_wldev *dev) -{ - struct b43legacy_pio *pio = &dev->pio; - struct b43legacy_pioqueue *queue; - int err = -ENOMEM; - - queue = b43legacy_setup_pioqueue(dev, B43legacy_MMIO_PIO1_BASE); - if (!queue) - goto out; - pio->queue0 = queue; - - queue = b43legacy_setup_pioqueue(dev, B43legacy_MMIO_PIO2_BASE); - if (!queue) - goto err_destroy0; - pio->queue1 = queue; - - queue = b43legacy_setup_pioqueue(dev, B43legacy_MMIO_PIO3_BASE); - if (!queue) - goto err_destroy1; - pio->queue2 = queue; - - queue = b43legacy_setup_pioqueue(dev, B43legacy_MMIO_PIO4_BASE); - if (!queue) - goto err_destroy2; - pio->queue3 = queue; - - if (dev->dev->id.revision < 3) - dev->irq_mask |= B43legacy_IRQ_PIO_WORKAROUND; - - b43legacydbg(dev->wl, "PIO initialized\n"); - err = 0; -out: - return err; - -err_destroy2: - b43legacy_destroy_pioqueue(pio->queue2); - pio->queue2 = NULL; -err_destroy1: - b43legacy_destroy_pioqueue(pio->queue1); - pio->queue1 = NULL; -err_destroy0: - b43legacy_destroy_pioqueue(pio->queue0); - pio->queue0 = NULL; - goto out; -} - -int b43legacy_pio_tx(struct b43legacy_wldev *dev, - struct sk_buff *skb) -{ - struct b43legacy_pioqueue *queue = dev->pio.queue1; - struct b43legacy_pio_txpacket *packet; - - B43legacy_WARN_ON(queue->tx_suspended); - B43legacy_WARN_ON(list_empty(&queue->txfree)); - - packet = list_entry(queue->txfree.next, struct b43legacy_pio_txpacket, - list); - packet->skb = skb; - - list_move_tail(&packet->list, &queue->txqueue); - queue->nr_txfree--; - B43legacy_WARN_ON(queue->nr_txfree >= B43legacy_PIO_MAXTXPACKETS); - - tasklet_schedule(&queue->txtask); - - return 0; -} - -void b43legacy_pio_handle_txstatus(struct b43legacy_wldev *dev, - const struct b43legacy_txstatus *status) -{ - struct b43legacy_pioqueue *queue; - struct b43legacy_pio_txpacket *packet; - struct ieee80211_tx_info *info; - int retry_limit; - - queue = parse_cookie(dev, status->cookie, &packet); - B43legacy_WARN_ON(!queue); - - if (!packet->skb) - return; - - queue->tx_devq_packets--; - queue->tx_devq_used -= (packet->skb->len + - sizeof(struct b43legacy_txhdr_fw3)); - - info = IEEE80211_SKB_CB(packet->skb); - - /* preserve the confiured retry limit before clearing the status - * The xmit function has overwritten the rc's value with the actual - * retry limit done by the hardware */ - retry_limit = info->status.rates[0].count; - ieee80211_tx_info_clear_status(info); - - if (status->acked) - info->flags |= IEEE80211_TX_STAT_ACK; - - if (status->rts_count > dev->wl->hw->conf.short_frame_max_tx_count) { - /* - * If the short retries (RTS, not data frame) have exceeded - * the limit, the hw will not have tried the selected rate, - * but will have used the fallback rate instead. - * Don't let the rate control count attempts for the selected - * rate in this case, otherwise the statistics will be off. - */ - info->status.rates[0].count = 0; - info->status.rates[1].count = status->frame_count; - } else { - if (status->frame_count > retry_limit) { - info->status.rates[0].count = retry_limit; - info->status.rates[1].count = status->frame_count - - retry_limit; - - } else { - info->status.rates[0].count = status->frame_count; - info->status.rates[1].idx = -1; - } - } - ieee80211_tx_status_irqsafe(dev->wl->hw, packet->skb); - packet->skb = NULL; - - free_txpacket(packet, 1); - /* If there are packets on the txqueue, poke the tasklet - * to transmit them. - */ - if (!list_empty(&queue->txqueue)) - tasklet_schedule(&queue->txtask); -} - -static void pio_rx_error(struct b43legacy_pioqueue *queue, - int clear_buffers, - const char *error) -{ - int i; - - b43legacyerr(queue->dev->wl, "PIO RX error: %s\n", error); - b43legacy_pio_write(queue, B43legacy_PIO_RXCTL, - B43legacy_PIO_RXCTL_READY); - if (clear_buffers) { - B43legacy_WARN_ON(queue->mmio_base != B43legacy_MMIO_PIO1_BASE); - for (i = 0; i < 15; i++) { - /* Dummy read. */ - b43legacy_pio_read(queue, B43legacy_PIO_RXDATA); - } - } -} - -void b43legacy_pio_rx(struct b43legacy_pioqueue *queue) -{ - __le16 preamble[21] = { 0 }; - struct b43legacy_rxhdr_fw3 *rxhdr; - u16 tmp; - u16 len; - u16 macstat; - int i; - int preamble_readwords; - struct sk_buff *skb; - - tmp = b43legacy_pio_read(queue, B43legacy_PIO_RXCTL); - if (!(tmp & B43legacy_PIO_RXCTL_DATAAVAILABLE)) - return; - b43legacy_pio_write(queue, B43legacy_PIO_RXCTL, - B43legacy_PIO_RXCTL_DATAAVAILABLE); - - for (i = 0; i < 10; i++) { - tmp = b43legacy_pio_read(queue, B43legacy_PIO_RXCTL); - if (tmp & B43legacy_PIO_RXCTL_READY) - goto data_ready; - udelay(10); - } - b43legacydbg(queue->dev->wl, "PIO RX timed out\n"); - return; -data_ready: - - len = b43legacy_pio_read(queue, B43legacy_PIO_RXDATA); - if (unlikely(len > 0x700)) { - pio_rx_error(queue, 0, "len > 0x700"); - return; - } - if (unlikely(len == 0 && queue->mmio_base != - B43legacy_MMIO_PIO4_BASE)) { - pio_rx_error(queue, 0, "len == 0"); - return; - } - preamble[0] = cpu_to_le16(len); - if (queue->mmio_base == B43legacy_MMIO_PIO4_BASE) - preamble_readwords = 14 / sizeof(u16); - else - preamble_readwords = 18 / sizeof(u16); - for (i = 0; i < preamble_readwords; i++) { - tmp = b43legacy_pio_read(queue, B43legacy_PIO_RXDATA); - preamble[i + 1] = cpu_to_le16(tmp); - } - rxhdr = (struct b43legacy_rxhdr_fw3 *)preamble; - macstat = le16_to_cpu(rxhdr->mac_status); - if (macstat & B43legacy_RX_MAC_FCSERR) { - pio_rx_error(queue, - (queue->mmio_base == B43legacy_MMIO_PIO1_BASE), - "Frame FCS error"); - return; - } - if (queue->mmio_base == B43legacy_MMIO_PIO4_BASE) { - /* We received an xmit status. */ - struct b43legacy_hwtxstatus *hw; - - hw = (struct b43legacy_hwtxstatus *)(preamble + 1); - b43legacy_handle_hwtxstatus(queue->dev, hw); - - return; - } - - skb = dev_alloc_skb(len); - if (unlikely(!skb)) { - pio_rx_error(queue, 1, "OOM"); - return; - } - skb_put(skb, len); - for (i = 0; i < len - 1; i += 2) { - tmp = b43legacy_pio_read(queue, B43legacy_PIO_RXDATA); - *((__le16 *)(skb->data + i)) = cpu_to_le16(tmp); - } - if (len % 2) { - tmp = b43legacy_pio_read(queue, B43legacy_PIO_RXDATA); - skb->data[len - 1] = (tmp & 0x00FF); - } - b43legacy_rx(queue->dev, skb, rxhdr); -} - -void b43legacy_pio_tx_suspend(struct b43legacy_pioqueue *queue) -{ - b43legacy_power_saving_ctl_bits(queue->dev, -1, 1); - b43legacy_pio_write(queue, B43legacy_PIO_TXCTL, - b43legacy_pio_read(queue, B43legacy_PIO_TXCTL) - | B43legacy_PIO_TXCTL_SUSPEND); -} - -void b43legacy_pio_tx_resume(struct b43legacy_pioqueue *queue) -{ - b43legacy_pio_write(queue, B43legacy_PIO_TXCTL, - b43legacy_pio_read(queue, B43legacy_PIO_TXCTL) - & ~B43legacy_PIO_TXCTL_SUSPEND); - b43legacy_power_saving_ctl_bits(queue->dev, -1, -1); - tasklet_schedule(&queue->txtask); -} - -void b43legacy_pio_freeze_txqueues(struct b43legacy_wldev *dev) -{ - struct b43legacy_pio *pio; - - B43legacy_WARN_ON(!b43legacy_using_pio(dev)); - pio = &dev->pio; - pio->queue0->tx_frozen = 1; - pio->queue1->tx_frozen = 1; - pio->queue2->tx_frozen = 1; - pio->queue3->tx_frozen = 1; -} - -void b43legacy_pio_thaw_txqueues(struct b43legacy_wldev *dev) -{ - struct b43legacy_pio *pio; - - B43legacy_WARN_ON(!b43legacy_using_pio(dev)); - pio = &dev->pio; - pio->queue0->tx_frozen = 0; - pio->queue1->tx_frozen = 0; - pio->queue2->tx_frozen = 0; - pio->queue3->tx_frozen = 0; - if (!list_empty(&pio->queue0->txqueue)) - tasklet_schedule(&pio->queue0->txtask); - if (!list_empty(&pio->queue1->txqueue)) - tasklet_schedule(&pio->queue1->txtask); - if (!list_empty(&pio->queue2->txqueue)) - tasklet_schedule(&pio->queue2->txtask); - if (!list_empty(&pio->queue3->txqueue)) - tasklet_schedule(&pio->queue3->txtask); -} diff --git a/drivers/net/wireless/b43legacy/pio.h b/drivers/net/wireless/b43legacy/pio.h deleted file mode 100644 index 8e6773ea6..000000000 --- a/drivers/net/wireless/b43legacy/pio.h +++ /dev/null @@ -1,158 +0,0 @@ -#ifndef B43legacy_PIO_H_ -#define B43legacy_PIO_H_ - -#include "b43legacy.h" - -#include <linux/interrupt.h> -#include <linux/list.h> -#include <linux/skbuff.h> - - -#define B43legacy_PIO_TXCTL 0x00 -#define B43legacy_PIO_TXDATA 0x02 -#define B43legacy_PIO_TXQBUFSIZE 0x04 -#define B43legacy_PIO_RXCTL 0x08 -#define B43legacy_PIO_RXDATA 0x0A - -#define B43legacy_PIO_TXCTL_WRITELO (1 << 0) -#define B43legacy_PIO_TXCTL_WRITEHI (1 << 1) -#define B43legacy_PIO_TXCTL_COMPLETE (1 << 2) -#define B43legacy_PIO_TXCTL_INIT (1 << 3) -#define B43legacy_PIO_TXCTL_SUSPEND (1 << 7) - -#define B43legacy_PIO_RXCTL_DATAAVAILABLE (1 << 0) -#define B43legacy_PIO_RXCTL_READY (1 << 1) - -/* PIO constants */ -#define B43legacy_PIO_MAXTXDEVQPACKETS 31 -#define B43legacy_PIO_TXQADJUST 80 - -/* PIO tuning knobs */ -#define B43legacy_PIO_MAXTXPACKETS 256 - - - -#ifdef CONFIG_B43LEGACY_PIO - - -struct b43legacy_pioqueue; -struct b43legacy_xmitstatus; - -struct b43legacy_pio_txpacket { - struct b43legacy_pioqueue *queue; - struct sk_buff *skb; - struct list_head list; -}; - -#define pio_txpacket_getindex(packet) ((int)((packet) - \ - (packet)->queue->tx_packets_cache)) - -struct b43legacy_pioqueue { - struct b43legacy_wldev *dev; - u16 mmio_base; - - bool tx_suspended; - bool tx_frozen; - bool need_workarounds; /* Workarounds needed for core.rev < 3 */ - - /* Adjusted size of the device internal TX buffer. */ - u16 tx_devq_size; - /* Used octets of the device internal TX buffer. */ - u16 tx_devq_used; - /* Used packet slots in the device internal TX buffer. */ - u8 tx_devq_packets; - /* Packets from the txfree list can - * be taken on incoming TX requests. - */ - struct list_head txfree; - unsigned int nr_txfree; - /* Packets on the txqueue are queued, - * but not completely written to the chip, yet. - */ - struct list_head txqueue; - /* Packets on the txrunning queue are completely - * posted to the device. We are waiting for the txstatus. - */ - struct list_head txrunning; - struct tasklet_struct txtask; - struct b43legacy_pio_txpacket - tx_packets_cache[B43legacy_PIO_MAXTXPACKETS]; -}; - -static inline -u16 b43legacy_pio_read(struct b43legacy_pioqueue *queue, - u16 offset) -{ - return b43legacy_read16(queue->dev, queue->mmio_base + offset); -} - -static inline -void b43legacy_pio_write(struct b43legacy_pioqueue *queue, - u16 offset, u16 value) -{ - b43legacy_write16(queue->dev, queue->mmio_base + offset, value); - mmiowb(); -} - - -int b43legacy_pio_init(struct b43legacy_wldev *dev); -void b43legacy_pio_free(struct b43legacy_wldev *dev); - -int b43legacy_pio_tx(struct b43legacy_wldev *dev, - struct sk_buff *skb); -void b43legacy_pio_handle_txstatus(struct b43legacy_wldev *dev, - const struct b43legacy_txstatus *status); -void b43legacy_pio_rx(struct b43legacy_pioqueue *queue); - -/* Suspend TX queue in hardware. */ -void b43legacy_pio_tx_suspend(struct b43legacy_pioqueue *queue); -void b43legacy_pio_tx_resume(struct b43legacy_pioqueue *queue); -/* Suspend (freeze) the TX tasklet (software level). */ -void b43legacy_pio_freeze_txqueues(struct b43legacy_wldev *dev); -void b43legacy_pio_thaw_txqueues(struct b43legacy_wldev *dev); - -#else /* CONFIG_B43LEGACY_PIO */ - -static inline -int b43legacy_pio_init(struct b43legacy_wldev *dev) -{ - return 0; -} -static inline -void b43legacy_pio_free(struct b43legacy_wldev *dev) -{ -} -static inline -int b43legacy_pio_tx(struct b43legacy_wldev *dev, - struct sk_buff *skb) -{ - return 0; -} -static inline -void b43legacy_pio_handle_txstatus(struct b43legacy_wldev *dev, - const struct b43legacy_txstatus *status) -{ -} -static inline -void b43legacy_pio_rx(struct b43legacy_pioqueue *queue) -{ -} -static inline -void b43legacy_pio_tx_suspend(struct b43legacy_pioqueue *queue) -{ -} -static inline -void b43legacy_pio_tx_resume(struct b43legacy_pioqueue *queue) -{ -} -static inline -void b43legacy_pio_freeze_txqueues(struct b43legacy_wldev *dev) -{ -} -static inline -void b43legacy_pio_thaw_txqueues(struct b43legacy_wldev *dev) -{ -} - -#endif /* CONFIG_B43LEGACY_PIO */ -#endif /* B43legacy_PIO_H_ */ diff --git a/drivers/net/wireless/b43legacy/radio.c b/drivers/net/wireless/b43legacy/radio.c deleted file mode 100644 index 950142034..000000000 --- a/drivers/net/wireless/b43legacy/radio.c +++ /dev/null @@ -1,2143 +0,0 @@ -/* - - Broadcom B43legacy wireless driver - - Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, - Stefano Brivio <stefano.brivio@polimi.it> - Michael Buesch <m@bues.ch> - Danny van Dyk <kugelfang@gentoo.org> - Andreas Jaggi <andreas.jaggi@waterwave.ch> - Copyright (c) 2007 Larry Finger <Larry.Finger@lwfinger.net> - - Some parts of the code in this file are derived from the ipw2200 - driver Copyright(c) 2003 - 2004 Intel Corporation. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include <linux/delay.h> - -#include "b43legacy.h" -#include "main.h" -#include "phy.h" -#include "radio.h" -#include "ilt.h" - - -/* Table for b43legacy_radio_calibrationvalue() */ -static const u16 rcc_table[16] = { - 0x0002, 0x0003, 0x0001, 0x000F, - 0x0006, 0x0007, 0x0005, 0x000F, - 0x000A, 0x000B, 0x0009, 0x000F, - 0x000E, 0x000F, 0x000D, 0x000F, -}; - -/* Reverse the bits of a 4bit value. - * Example: 1101 is flipped 1011 - */ -static u16 flip_4bit(u16 value) -{ - u16 flipped = 0x0000; - - B43legacy_BUG_ON(!((value & ~0x000F) == 0x0000)); - - flipped |= (value & 0x0001) << 3; - flipped |= (value & 0x0002) << 1; - flipped |= (value & 0x0004) >> 1; - flipped |= (value & 0x0008) >> 3; - - return flipped; -} - -/* Get the freq, as it has to be written to the device. */ -static inline -u16 channel2freq_bg(u8 channel) -{ - /* Frequencies are given as frequencies_bg[index] + 2.4GHz - * Starting with channel 1 - */ - static const u16 frequencies_bg[14] = { - 12, 17, 22, 27, - 32, 37, 42, 47, - 52, 57, 62, 67, - 72, 84, - }; - - if (unlikely(channel < 1 || channel > 14)) { - printk(KERN_INFO "b43legacy: Channel %d is out of range\n", - channel); - dump_stack(); - return 2412; - } - - return frequencies_bg[channel - 1]; -} - -void b43legacy_radio_lock(struct b43legacy_wldev *dev) -{ - u32 status; - - status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); - B43legacy_WARN_ON(status & B43legacy_MACCTL_RADIOLOCK); - status |= B43legacy_MACCTL_RADIOLOCK; - b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status); - mmiowb(); - udelay(10); -} - -void b43legacy_radio_unlock(struct b43legacy_wldev *dev) -{ - u32 status; - - b43legacy_read16(dev, B43legacy_MMIO_PHY_VER); /* dummy read */ - status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); - B43legacy_WARN_ON(!(status & B43legacy_MACCTL_RADIOLOCK)); - status &= ~B43legacy_MACCTL_RADIOLOCK; - b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status); - mmiowb(); -} - -u16 b43legacy_radio_read16(struct b43legacy_wldev *dev, u16 offset) -{ - struct b43legacy_phy *phy = &dev->phy; - - switch (phy->type) { - case B43legacy_PHYTYPE_B: - if (phy->radio_ver == 0x2053) { - if (offset < 0x70) - offset += 0x80; - else if (offset < 0x80) - offset += 0x70; - } else if (phy->radio_ver == 0x2050) - offset |= 0x80; - else - B43legacy_WARN_ON(1); - break; - case B43legacy_PHYTYPE_G: - offset |= 0x80; - break; - default: - B43legacy_BUG_ON(1); - } - - b43legacy_write16(dev, B43legacy_MMIO_RADIO_CONTROL, offset); - return b43legacy_read16(dev, B43legacy_MMIO_RADIO_DATA_LOW); -} - -void b43legacy_radio_write16(struct b43legacy_wldev *dev, u16 offset, u16 val) -{ - b43legacy_write16(dev, B43legacy_MMIO_RADIO_CONTROL, offset); - mmiowb(); - b43legacy_write16(dev, B43legacy_MMIO_RADIO_DATA_LOW, val); -} - -static void b43legacy_set_all_gains(struct b43legacy_wldev *dev, - s16 first, s16 second, s16 third) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 i; - u16 start = 0x08; - u16 end = 0x18; - u16 offset = 0x0400; - u16 tmp; - - if (phy->rev <= 1) { - offset = 0x5000; - start = 0x10; - end = 0x20; - } - - for (i = 0; i < 4; i++) - b43legacy_ilt_write(dev, offset + i, first); - - for (i = start; i < end; i++) - b43legacy_ilt_write(dev, offset + i, second); - - if (third != -1) { - tmp = ((u16)third << 14) | ((u16)third << 6); - b43legacy_phy_write(dev, 0x04A0, - (b43legacy_phy_read(dev, 0x04A0) & 0xBFBF) - | tmp); - b43legacy_phy_write(dev, 0x04A1, - (b43legacy_phy_read(dev, 0x04A1) & 0xBFBF) - | tmp); - b43legacy_phy_write(dev, 0x04A2, - (b43legacy_phy_read(dev, 0x04A2) & 0xBFBF) - | tmp); - } - b43legacy_dummy_transmission(dev); -} - -static void b43legacy_set_original_gains(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 i; - u16 tmp; - u16 offset = 0x0400; - u16 start = 0x0008; - u16 end = 0x0018; - - if (phy->rev <= 1) { - offset = 0x5000; - start = 0x0010; - end = 0x0020; - } - - for (i = 0; i < 4; i++) { - tmp = (i & 0xFFFC); - tmp |= (i & 0x0001) << 1; - tmp |= (i & 0x0002) >> 1; - - b43legacy_ilt_write(dev, offset + i, tmp); - } - - for (i = start; i < end; i++) - b43legacy_ilt_write(dev, offset + i, i - start); - - b43legacy_phy_write(dev, 0x04A0, - (b43legacy_phy_read(dev, 0x04A0) & 0xBFBF) - | 0x4040); - b43legacy_phy_write(dev, 0x04A1, - (b43legacy_phy_read(dev, 0x04A1) & 0xBFBF) - | 0x4040); - b43legacy_phy_write(dev, 0x04A2, - (b43legacy_phy_read(dev, 0x04A2) & 0xBFBF) - | 0x4000); - b43legacy_dummy_transmission(dev); -} - -/* Synthetic PU workaround */ -static void b43legacy_synth_pu_workaround(struct b43legacy_wldev *dev, - u8 channel) -{ - struct b43legacy_phy *phy = &dev->phy; - - might_sleep(); - - if (phy->radio_ver != 0x2050 || phy->radio_rev >= 6) - /* We do not need the workaround. */ - return; - - if (channel <= 10) - b43legacy_write16(dev, B43legacy_MMIO_CHANNEL, - channel2freq_bg(channel + 4)); - else - b43legacy_write16(dev, B43legacy_MMIO_CHANNEL, - channel2freq_bg(channel)); - msleep(1); - b43legacy_write16(dev, B43legacy_MMIO_CHANNEL, - channel2freq_bg(channel)); -} - -u8 b43legacy_radio_aci_detect(struct b43legacy_wldev *dev, u8 channel) -{ - struct b43legacy_phy *phy = &dev->phy; - u8 ret = 0; - u16 saved; - u16 rssi; - u16 temp; - int i; - int j = 0; - - saved = b43legacy_phy_read(dev, 0x0403); - b43legacy_radio_selectchannel(dev, channel, 0); - b43legacy_phy_write(dev, 0x0403, (saved & 0xFFF8) | 5); - if (phy->aci_hw_rssi) - rssi = b43legacy_phy_read(dev, 0x048A) & 0x3F; - else - rssi = saved & 0x3F; - /* clamp temp to signed 5bit */ - if (rssi > 32) - rssi -= 64; - for (i = 0; i < 100; i++) { - temp = (b43legacy_phy_read(dev, 0x047F) >> 8) & 0x3F; - if (temp > 32) - temp -= 64; - if (temp < rssi) - j++; - if (j >= 20) - ret = 1; - } - b43legacy_phy_write(dev, 0x0403, saved); - - return ret; -} - -u8 b43legacy_radio_aci_scan(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - u8 ret[13]; - unsigned int channel = phy->channel; - unsigned int i; - unsigned int j; - unsigned int start; - unsigned int end; - - if (!((phy->type == B43legacy_PHYTYPE_G) && (phy->rev > 0))) - return 0; - - b43legacy_phy_lock(dev); - b43legacy_radio_lock(dev); - b43legacy_phy_write(dev, 0x0802, - b43legacy_phy_read(dev, 0x0802) & 0xFFFC); - b43legacy_phy_write(dev, B43legacy_PHY_G_CRS, - b43legacy_phy_read(dev, B43legacy_PHY_G_CRS) - & 0x7FFF); - b43legacy_set_all_gains(dev, 3, 8, 1); - - start = (channel - 5 > 0) ? channel - 5 : 1; - end = (channel + 5 < 14) ? channel + 5 : 13; - - for (i = start; i <= end; i++) { - if (abs(channel - i) > 2) - ret[i-1] = b43legacy_radio_aci_detect(dev, i); - } - b43legacy_radio_selectchannel(dev, channel, 0); - b43legacy_phy_write(dev, 0x0802, - (b43legacy_phy_read(dev, 0x0802) & 0xFFFC) - | 0x0003); - b43legacy_phy_write(dev, 0x0403, - b43legacy_phy_read(dev, 0x0403) & 0xFFF8); - b43legacy_phy_write(dev, B43legacy_PHY_G_CRS, - b43legacy_phy_read(dev, B43legacy_PHY_G_CRS) - | 0x8000); - b43legacy_set_original_gains(dev); - for (i = 0; i < 13; i++) { - if (!ret[i]) - continue; - end = (i + 5 < 13) ? i + 5 : 13; - for (j = i; j < end; j++) - ret[j] = 1; - } - b43legacy_radio_unlock(dev); - b43legacy_phy_unlock(dev); - - return ret[channel - 1]; -} - -/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ -void b43legacy_nrssi_hw_write(struct b43legacy_wldev *dev, u16 offset, s16 val) -{ - b43legacy_phy_write(dev, B43legacy_PHY_NRSSILT_CTRL, offset); - mmiowb(); - b43legacy_phy_write(dev, B43legacy_PHY_NRSSILT_DATA, (u16)val); -} - -/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ -s16 b43legacy_nrssi_hw_read(struct b43legacy_wldev *dev, u16 offset) -{ - u16 val; - - b43legacy_phy_write(dev, B43legacy_PHY_NRSSILT_CTRL, offset); - val = b43legacy_phy_read(dev, B43legacy_PHY_NRSSILT_DATA); - - return (s16)val; -} - -/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ -void b43legacy_nrssi_hw_update(struct b43legacy_wldev *dev, u16 val) -{ - u16 i; - s16 tmp; - - for (i = 0; i < 64; i++) { - tmp = b43legacy_nrssi_hw_read(dev, i); - tmp -= val; - tmp = clamp_val(tmp, -32, 31); - b43legacy_nrssi_hw_write(dev, i, tmp); - } -} - -/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ -void b43legacy_nrssi_mem_update(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - s16 i; - s16 delta; - s32 tmp; - - delta = 0x1F - phy->nrssi[0]; - for (i = 0; i < 64; i++) { - tmp = (i - delta) * phy->nrssislope; - tmp /= 0x10000; - tmp += 0x3A; - tmp = clamp_val(tmp, 0, 0x3F); - phy->nrssi_lt[i] = tmp; - } -} - -static void b43legacy_calc_nrssi_offset(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 backup[20] = { 0 }; - s16 v47F; - u16 i; - u16 saved = 0xFFFF; - - backup[0] = b43legacy_phy_read(dev, 0x0001); - backup[1] = b43legacy_phy_read(dev, 0x0811); - backup[2] = b43legacy_phy_read(dev, 0x0812); - backup[3] = b43legacy_phy_read(dev, 0x0814); - backup[4] = b43legacy_phy_read(dev, 0x0815); - backup[5] = b43legacy_phy_read(dev, 0x005A); - backup[6] = b43legacy_phy_read(dev, 0x0059); - backup[7] = b43legacy_phy_read(dev, 0x0058); - backup[8] = b43legacy_phy_read(dev, 0x000A); - backup[9] = b43legacy_phy_read(dev, 0x0003); - backup[10] = b43legacy_radio_read16(dev, 0x007A); - backup[11] = b43legacy_radio_read16(dev, 0x0043); - - b43legacy_phy_write(dev, 0x0429, - b43legacy_phy_read(dev, 0x0429) & 0x7FFF); - b43legacy_phy_write(dev, 0x0001, - (b43legacy_phy_read(dev, 0x0001) & 0x3FFF) - | 0x4000); - b43legacy_phy_write(dev, 0x0811, - b43legacy_phy_read(dev, 0x0811) | 0x000C); - b43legacy_phy_write(dev, 0x0812, - (b43legacy_phy_read(dev, 0x0812) & 0xFFF3) - | 0x0004); - b43legacy_phy_write(dev, 0x0802, - b43legacy_phy_read(dev, 0x0802) & ~(0x1 | 0x2)); - if (phy->rev >= 6) { - backup[12] = b43legacy_phy_read(dev, 0x002E); - backup[13] = b43legacy_phy_read(dev, 0x002F); - backup[14] = b43legacy_phy_read(dev, 0x080F); - backup[15] = b43legacy_phy_read(dev, 0x0810); - backup[16] = b43legacy_phy_read(dev, 0x0801); - backup[17] = b43legacy_phy_read(dev, 0x0060); - backup[18] = b43legacy_phy_read(dev, 0x0014); - backup[19] = b43legacy_phy_read(dev, 0x0478); - - b43legacy_phy_write(dev, 0x002E, 0); - b43legacy_phy_write(dev, 0x002F, 0); - b43legacy_phy_write(dev, 0x080F, 0); - b43legacy_phy_write(dev, 0x0810, 0); - b43legacy_phy_write(dev, 0x0478, - b43legacy_phy_read(dev, 0x0478) | 0x0100); - b43legacy_phy_write(dev, 0x0801, - b43legacy_phy_read(dev, 0x0801) | 0x0040); - b43legacy_phy_write(dev, 0x0060, - b43legacy_phy_read(dev, 0x0060) | 0x0040); - b43legacy_phy_write(dev, 0x0014, - b43legacy_phy_read(dev, 0x0014) | 0x0200); - } - b43legacy_radio_write16(dev, 0x007A, - b43legacy_radio_read16(dev, 0x007A) | 0x0070); - b43legacy_radio_write16(dev, 0x007A, - b43legacy_radio_read16(dev, 0x007A) | 0x0080); - udelay(30); - - v47F = (s16)((b43legacy_phy_read(dev, 0x047F) >> 8) & 0x003F); - if (v47F >= 0x20) - v47F -= 0x40; - if (v47F == 31) { - for (i = 7; i >= 4; i--) { - b43legacy_radio_write16(dev, 0x007B, i); - udelay(20); - v47F = (s16)((b43legacy_phy_read(dev, 0x047F) >> 8) - & 0x003F); - if (v47F >= 0x20) - v47F -= 0x40; - if (v47F < 31 && saved == 0xFFFF) - saved = i; - } - if (saved == 0xFFFF) - saved = 4; - } else { - b43legacy_radio_write16(dev, 0x007A, - b43legacy_radio_read16(dev, 0x007A) - & 0x007F); - b43legacy_phy_write(dev, 0x0814, - b43legacy_phy_read(dev, 0x0814) | 0x0001); - b43legacy_phy_write(dev, 0x0815, - b43legacy_phy_read(dev, 0x0815) & 0xFFFE); - b43legacy_phy_write(dev, 0x0811, - b43legacy_phy_read(dev, 0x0811) | 0x000C); - b43legacy_phy_write(dev, 0x0812, - b43legacy_phy_read(dev, 0x0812) | 0x000C); - b43legacy_phy_write(dev, 0x0811, - b43legacy_phy_read(dev, 0x0811) | 0x0030); - b43legacy_phy_write(dev, 0x0812, - b43legacy_phy_read(dev, 0x0812) | 0x0030); - b43legacy_phy_write(dev, 0x005A, 0x0480); - b43legacy_phy_write(dev, 0x0059, 0x0810); - b43legacy_phy_write(dev, 0x0058, 0x000D); - if (phy->analog == 0) - b43legacy_phy_write(dev, 0x0003, 0x0122); - else - b43legacy_phy_write(dev, 0x000A, - b43legacy_phy_read(dev, 0x000A) - | 0x2000); - b43legacy_phy_write(dev, 0x0814, - b43legacy_phy_read(dev, 0x0814) | 0x0004); - b43legacy_phy_write(dev, 0x0815, - b43legacy_phy_read(dev, 0x0815) & 0xFFFB); - b43legacy_phy_write(dev, 0x0003, - (b43legacy_phy_read(dev, 0x0003) & 0xFF9F) - | 0x0040); - b43legacy_radio_write16(dev, 0x007A, - b43legacy_radio_read16(dev, 0x007A) - | 0x000F); - b43legacy_set_all_gains(dev, 3, 0, 1); - b43legacy_radio_write16(dev, 0x0043, - (b43legacy_radio_read16(dev, 0x0043) - & 0x00F0) | 0x000F); - udelay(30); - v47F = (s16)((b43legacy_phy_read(dev, 0x047F) >> 8) & 0x003F); - if (v47F >= 0x20) - v47F -= 0x40; - if (v47F == -32) { - for (i = 0; i < 4; i++) { - b43legacy_radio_write16(dev, 0x007B, i); - udelay(20); - v47F = (s16)((b43legacy_phy_read(dev, 0x047F) >> - 8) & 0x003F); - if (v47F >= 0x20) - v47F -= 0x40; - if (v47F > -31 && saved == 0xFFFF) - saved = i; - } - if (saved == 0xFFFF) - saved = 3; - } else - saved = 0; - } - b43legacy_radio_write16(dev, 0x007B, saved); - - if (phy->rev >= 6) { - b43legacy_phy_write(dev, 0x002E, backup[12]); - b43legacy_phy_write(dev, 0x002F, backup[13]); - b43legacy_phy_write(dev, 0x080F, backup[14]); - b43legacy_phy_write(dev, 0x0810, backup[15]); - } - b43legacy_phy_write(dev, 0x0814, backup[3]); - b43legacy_phy_write(dev, 0x0815, backup[4]); - b43legacy_phy_write(dev, 0x005A, backup[5]); - b43legacy_phy_write(dev, 0x0059, backup[6]); - b43legacy_phy_write(dev, 0x0058, backup[7]); - b43legacy_phy_write(dev, 0x000A, backup[8]); - b43legacy_phy_write(dev, 0x0003, backup[9]); - b43legacy_radio_write16(dev, 0x0043, backup[11]); - b43legacy_radio_write16(dev, 0x007A, backup[10]); - b43legacy_phy_write(dev, 0x0802, - b43legacy_phy_read(dev, 0x0802) | 0x1 | 0x2); - b43legacy_phy_write(dev, 0x0429, - b43legacy_phy_read(dev, 0x0429) | 0x8000); - b43legacy_set_original_gains(dev); - if (phy->rev >= 6) { - b43legacy_phy_write(dev, 0x0801, backup[16]); - b43legacy_phy_write(dev, 0x0060, backup[17]); - b43legacy_phy_write(dev, 0x0014, backup[18]); - b43legacy_phy_write(dev, 0x0478, backup[19]); - } - b43legacy_phy_write(dev, 0x0001, backup[0]); - b43legacy_phy_write(dev, 0x0812, backup[2]); - b43legacy_phy_write(dev, 0x0811, backup[1]); -} - -void b43legacy_calc_nrssi_slope(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 backup[18] = { 0 }; - u16 tmp; - s16 nrssi0; - s16 nrssi1; - - switch (phy->type) { - case B43legacy_PHYTYPE_B: - backup[0] = b43legacy_radio_read16(dev, 0x007A); - backup[1] = b43legacy_radio_read16(dev, 0x0052); - backup[2] = b43legacy_radio_read16(dev, 0x0043); - backup[3] = b43legacy_phy_read(dev, 0x0030); - backup[4] = b43legacy_phy_read(dev, 0x0026); - backup[5] = b43legacy_phy_read(dev, 0x0015); - backup[6] = b43legacy_phy_read(dev, 0x002A); - backup[7] = b43legacy_phy_read(dev, 0x0020); - backup[8] = b43legacy_phy_read(dev, 0x005A); - backup[9] = b43legacy_phy_read(dev, 0x0059); - backup[10] = b43legacy_phy_read(dev, 0x0058); - backup[11] = b43legacy_read16(dev, 0x03E2); - backup[12] = b43legacy_read16(dev, 0x03E6); - backup[13] = b43legacy_read16(dev, B43legacy_MMIO_CHANNEL_EXT); - - tmp = b43legacy_radio_read16(dev, 0x007A); - tmp &= (phy->rev >= 5) ? 0x007F : 0x000F; - b43legacy_radio_write16(dev, 0x007A, tmp); - b43legacy_phy_write(dev, 0x0030, 0x00FF); - b43legacy_write16(dev, 0x03EC, 0x7F7F); - b43legacy_phy_write(dev, 0x0026, 0x0000); - b43legacy_phy_write(dev, 0x0015, - b43legacy_phy_read(dev, 0x0015) | 0x0020); - b43legacy_phy_write(dev, 0x002A, 0x08A3); - b43legacy_radio_write16(dev, 0x007A, - b43legacy_radio_read16(dev, 0x007A) - | 0x0080); - - nrssi0 = (s16)b43legacy_phy_read(dev, 0x0027); - b43legacy_radio_write16(dev, 0x007A, - b43legacy_radio_read16(dev, 0x007A) - & 0x007F); - if (phy->analog >= 2) - b43legacy_write16(dev, 0x03E6, 0x0040); - else if (phy->analog == 0) - b43legacy_write16(dev, 0x03E6, 0x0122); - else - b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT, - b43legacy_read16(dev, - B43legacy_MMIO_CHANNEL_EXT) & 0x2000); - b43legacy_phy_write(dev, 0x0020, 0x3F3F); - b43legacy_phy_write(dev, 0x0015, 0xF330); - b43legacy_radio_write16(dev, 0x005A, 0x0060); - b43legacy_radio_write16(dev, 0x0043, - b43legacy_radio_read16(dev, 0x0043) - & 0x00F0); - b43legacy_phy_write(dev, 0x005A, 0x0480); - b43legacy_phy_write(dev, 0x0059, 0x0810); - b43legacy_phy_write(dev, 0x0058, 0x000D); - udelay(20); - - nrssi1 = (s16)b43legacy_phy_read(dev, 0x0027); - b43legacy_phy_write(dev, 0x0030, backup[3]); - b43legacy_radio_write16(dev, 0x007A, backup[0]); - b43legacy_write16(dev, 0x03E2, backup[11]); - b43legacy_phy_write(dev, 0x0026, backup[4]); - b43legacy_phy_write(dev, 0x0015, backup[5]); - b43legacy_phy_write(dev, 0x002A, backup[6]); - b43legacy_synth_pu_workaround(dev, phy->channel); - if (phy->analog != 0) - b43legacy_write16(dev, 0x03F4, backup[13]); - - b43legacy_phy_write(dev, 0x0020, backup[7]); - b43legacy_phy_write(dev, 0x005A, backup[8]); - b43legacy_phy_write(dev, 0x0059, backup[9]); - b43legacy_phy_write(dev, 0x0058, backup[10]); - b43legacy_radio_write16(dev, 0x0052, backup[1]); - b43legacy_radio_write16(dev, 0x0043, backup[2]); - - if (nrssi0 == nrssi1) - phy->nrssislope = 0x00010000; - else - phy->nrssislope = 0x00400000 / (nrssi0 - nrssi1); - - if (nrssi0 <= -4) { - phy->nrssi[0] = nrssi0; - phy->nrssi[1] = nrssi1; - } - break; - case B43legacy_PHYTYPE_G: - if (phy->radio_rev >= 9) - return; - if (phy->radio_rev == 8) - b43legacy_calc_nrssi_offset(dev); - - b43legacy_phy_write(dev, B43legacy_PHY_G_CRS, - b43legacy_phy_read(dev, B43legacy_PHY_G_CRS) - & 0x7FFF); - b43legacy_phy_write(dev, 0x0802, - b43legacy_phy_read(dev, 0x0802) & 0xFFFC); - backup[7] = b43legacy_read16(dev, 0x03E2); - b43legacy_write16(dev, 0x03E2, - b43legacy_read16(dev, 0x03E2) | 0x8000); - backup[0] = b43legacy_radio_read16(dev, 0x007A); - backup[1] = b43legacy_radio_read16(dev, 0x0052); - backup[2] = b43legacy_radio_read16(dev, 0x0043); - backup[3] = b43legacy_phy_read(dev, 0x0015); - backup[4] = b43legacy_phy_read(dev, 0x005A); - backup[5] = b43legacy_phy_read(dev, 0x0059); - backup[6] = b43legacy_phy_read(dev, 0x0058); - backup[8] = b43legacy_read16(dev, 0x03E6); - backup[9] = b43legacy_read16(dev, B43legacy_MMIO_CHANNEL_EXT); - if (phy->rev >= 3) { - backup[10] = b43legacy_phy_read(dev, 0x002E); - backup[11] = b43legacy_phy_read(dev, 0x002F); - backup[12] = b43legacy_phy_read(dev, 0x080F); - backup[13] = b43legacy_phy_read(dev, - B43legacy_PHY_G_LO_CONTROL); - backup[14] = b43legacy_phy_read(dev, 0x0801); - backup[15] = b43legacy_phy_read(dev, 0x0060); - backup[16] = b43legacy_phy_read(dev, 0x0014); - backup[17] = b43legacy_phy_read(dev, 0x0478); - b43legacy_phy_write(dev, 0x002E, 0); - b43legacy_phy_write(dev, B43legacy_PHY_G_LO_CONTROL, 0); - switch (phy->rev) { - case 4: case 6: case 7: - b43legacy_phy_write(dev, 0x0478, - b43legacy_phy_read(dev, - 0x0478) | 0x0100); - b43legacy_phy_write(dev, 0x0801, - b43legacy_phy_read(dev, - 0x0801) | 0x0040); - break; - case 3: case 5: - b43legacy_phy_write(dev, 0x0801, - b43legacy_phy_read(dev, - 0x0801) & 0xFFBF); - break; - } - b43legacy_phy_write(dev, 0x0060, - b43legacy_phy_read(dev, 0x0060) - | 0x0040); - b43legacy_phy_write(dev, 0x0014, - b43legacy_phy_read(dev, 0x0014) - | 0x0200); - } - b43legacy_radio_write16(dev, 0x007A, - b43legacy_radio_read16(dev, 0x007A) - | 0x0070); - b43legacy_set_all_gains(dev, 0, 8, 0); - b43legacy_radio_write16(dev, 0x007A, - b43legacy_radio_read16(dev, 0x007A) - & 0x00F7); - if (phy->rev >= 2) { - b43legacy_phy_write(dev, 0x0811, - (b43legacy_phy_read(dev, 0x0811) - & 0xFFCF) | 0x0030); - b43legacy_phy_write(dev, 0x0812, - (b43legacy_phy_read(dev, 0x0812) - & 0xFFCF) | 0x0010); - } - b43legacy_radio_write16(dev, 0x007A, - b43legacy_radio_read16(dev, 0x007A) - | 0x0080); - udelay(20); - - nrssi0 = (s16)((b43legacy_phy_read(dev, 0x047F) >> 8) & 0x003F); - if (nrssi0 >= 0x0020) - nrssi0 -= 0x0040; - - b43legacy_radio_write16(dev, 0x007A, - b43legacy_radio_read16(dev, 0x007A) - & 0x007F); - if (phy->analog >= 2) - b43legacy_phy_write(dev, 0x0003, - (b43legacy_phy_read(dev, 0x0003) - & 0xFF9F) | 0x0040); - - b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT, - b43legacy_read16(dev, - B43legacy_MMIO_CHANNEL_EXT) | 0x2000); - b43legacy_radio_write16(dev, 0x007A, - b43legacy_radio_read16(dev, 0x007A) - | 0x000F); - b43legacy_phy_write(dev, 0x0015, 0xF330); - if (phy->rev >= 2) { - b43legacy_phy_write(dev, 0x0812, - (b43legacy_phy_read(dev, 0x0812) - & 0xFFCF) | 0x0020); - b43legacy_phy_write(dev, 0x0811, - (b43legacy_phy_read(dev, 0x0811) - & 0xFFCF) | 0x0020); - } - - b43legacy_set_all_gains(dev, 3, 0, 1); - if (phy->radio_rev == 8) - b43legacy_radio_write16(dev, 0x0043, 0x001F); - else { - tmp = b43legacy_radio_read16(dev, 0x0052) & 0xFF0F; - b43legacy_radio_write16(dev, 0x0052, tmp | 0x0060); - tmp = b43legacy_radio_read16(dev, 0x0043) & 0xFFF0; - b43legacy_radio_write16(dev, 0x0043, tmp | 0x0009); - } - b43legacy_phy_write(dev, 0x005A, 0x0480); - b43legacy_phy_write(dev, 0x0059, 0x0810); - b43legacy_phy_write(dev, 0x0058, 0x000D); - udelay(20); - nrssi1 = (s16)((b43legacy_phy_read(dev, 0x047F) >> 8) & 0x003F); - if (nrssi1 >= 0x0020) - nrssi1 -= 0x0040; - if (nrssi0 == nrssi1) - phy->nrssislope = 0x00010000; - else - phy->nrssislope = 0x00400000 / (nrssi0 - nrssi1); - if (nrssi0 >= -4) { - phy->nrssi[0] = nrssi1; - phy->nrssi[1] = nrssi0; - } - if (phy->rev >= 3) { - b43legacy_phy_write(dev, 0x002E, backup[10]); - b43legacy_phy_write(dev, 0x002F, backup[11]); - b43legacy_phy_write(dev, 0x080F, backup[12]); - b43legacy_phy_write(dev, B43legacy_PHY_G_LO_CONTROL, - backup[13]); - } - if (phy->rev >= 2) { - b43legacy_phy_write(dev, 0x0812, - b43legacy_phy_read(dev, 0x0812) - & 0xFFCF); - b43legacy_phy_write(dev, 0x0811, - b43legacy_phy_read(dev, 0x0811) - & 0xFFCF); - } - - b43legacy_radio_write16(dev, 0x007A, backup[0]); - b43legacy_radio_write16(dev, 0x0052, backup[1]); - b43legacy_radio_write16(dev, 0x0043, backup[2]); - b43legacy_write16(dev, 0x03E2, backup[7]); - b43legacy_write16(dev, 0x03E6, backup[8]); - b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT, backup[9]); - b43legacy_phy_write(dev, 0x0015, backup[3]); - b43legacy_phy_write(dev, 0x005A, backup[4]); - b43legacy_phy_write(dev, 0x0059, backup[5]); - b43legacy_phy_write(dev, 0x0058, backup[6]); - b43legacy_synth_pu_workaround(dev, phy->channel); - b43legacy_phy_write(dev, 0x0802, - b43legacy_phy_read(dev, 0x0802) | 0x0003); - b43legacy_set_original_gains(dev); - b43legacy_phy_write(dev, B43legacy_PHY_G_CRS, - b43legacy_phy_read(dev, B43legacy_PHY_G_CRS) - | 0x8000); - if (phy->rev >= 3) { - b43legacy_phy_write(dev, 0x0801, backup[14]); - b43legacy_phy_write(dev, 0x0060, backup[15]); - b43legacy_phy_write(dev, 0x0014, backup[16]); - b43legacy_phy_write(dev, 0x0478, backup[17]); - } - b43legacy_nrssi_mem_update(dev); - b43legacy_calc_nrssi_threshold(dev); - break; - default: - B43legacy_BUG_ON(1); - } -} - -void b43legacy_calc_nrssi_threshold(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - s32 threshold; - s32 a; - s32 b; - s16 tmp16; - u16 tmp_u16; - - switch (phy->type) { - case B43legacy_PHYTYPE_B: { - if (phy->radio_ver != 0x2050) - return; - if (!(dev->dev->bus->sprom.boardflags_lo & - B43legacy_BFL_RSSI)) - return; - - if (phy->radio_rev >= 6) { - threshold = (phy->nrssi[1] - phy->nrssi[0]) * 32; - threshold += 20 * (phy->nrssi[0] + 1); - threshold /= 40; - } else - threshold = phy->nrssi[1] - 5; - - threshold = clamp_val(threshold, 0, 0x3E); - b43legacy_phy_read(dev, 0x0020); /* dummy read */ - b43legacy_phy_write(dev, 0x0020, (((u16)threshold) << 8) - | 0x001C); - - if (phy->radio_rev >= 6) { - b43legacy_phy_write(dev, 0x0087, 0x0E0D); - b43legacy_phy_write(dev, 0x0086, 0x0C0B); - b43legacy_phy_write(dev, 0x0085, 0x0A09); - b43legacy_phy_write(dev, 0x0084, 0x0808); - b43legacy_phy_write(dev, 0x0083, 0x0808); - b43legacy_phy_write(dev, 0x0082, 0x0604); - b43legacy_phy_write(dev, 0x0081, 0x0302); - b43legacy_phy_write(dev, 0x0080, 0x0100); - } - break; - } - case B43legacy_PHYTYPE_G: - if (!phy->gmode || - !(dev->dev->bus->sprom.boardflags_lo & - B43legacy_BFL_RSSI)) { - tmp16 = b43legacy_nrssi_hw_read(dev, 0x20); - if (tmp16 >= 0x20) - tmp16 -= 0x40; - if (tmp16 < 3) - b43legacy_phy_write(dev, 0x048A, - (b43legacy_phy_read(dev, - 0x048A) & 0xF000) | 0x09EB); - else - b43legacy_phy_write(dev, 0x048A, - (b43legacy_phy_read(dev, - 0x048A) & 0xF000) | 0x0AED); - } else { - if (phy->interfmode == - B43legacy_RADIO_INTERFMODE_NONWLAN) { - a = 0xE; - b = 0xA; - } else if (!phy->aci_wlan_automatic && - phy->aci_enable) { - a = 0x13; - b = 0x12; - } else { - a = 0xE; - b = 0x11; - } - - a = a * (phy->nrssi[1] - phy->nrssi[0]); - a += (phy->nrssi[0] << 6); - if (a < 32) - a += 31; - else - a += 32; - a = a >> 6; - a = clamp_val(a, -31, 31); - - b = b * (phy->nrssi[1] - phy->nrssi[0]); - b += (phy->nrssi[0] << 6); - if (b < 32) - b += 31; - else - b += 32; - b = b >> 6; - b = clamp_val(b, -31, 31); - - tmp_u16 = b43legacy_phy_read(dev, 0x048A) & 0xF000; - tmp_u16 |= ((u32)b & 0x0000003F); - tmp_u16 |= (((u32)a & 0x0000003F) << 6); - b43legacy_phy_write(dev, 0x048A, tmp_u16); - } - break; - default: - B43legacy_BUG_ON(1); - } -} - -/* Stack implementation to save/restore values from the - * interference mitigation code. - * It is save to restore values in random order. - */ -static void _stack_save(u32 *_stackptr, size_t *stackidx, - u8 id, u16 offset, u16 value) -{ - u32 *stackptr = &(_stackptr[*stackidx]); - - B43legacy_WARN_ON(!((offset & 0xE000) == 0x0000)); - B43legacy_WARN_ON(!((id & 0xF8) == 0x00)); - *stackptr = offset; - *stackptr |= ((u32)id) << 13; - *stackptr |= ((u32)value) << 16; - (*stackidx)++; - B43legacy_WARN_ON(!(*stackidx < B43legacy_INTERFSTACK_SIZE)); -} - -static u16 _stack_restore(u32 *stackptr, - u8 id, u16 offset) -{ - size_t i; - - B43legacy_WARN_ON(!((offset & 0xE000) == 0x0000)); - B43legacy_WARN_ON(!((id & 0xF8) == 0x00)); - for (i = 0; i < B43legacy_INTERFSTACK_SIZE; i++, stackptr++) { - if ((*stackptr & 0x00001FFF) != offset) - continue; - if (((*stackptr & 0x00007000) >> 13) != id) - continue; - return ((*stackptr & 0xFFFF0000) >> 16); - } - B43legacy_BUG_ON(1); - - return 0; -} - -#define phy_stacksave(offset) \ - do { \ - _stack_save(stack, &stackidx, 0x1, (offset), \ - b43legacy_phy_read(dev, (offset))); \ - } while (0) -#define phy_stackrestore(offset) \ - do { \ - b43legacy_phy_write(dev, (offset), \ - _stack_restore(stack, 0x1, \ - (offset))); \ - } while (0) -#define radio_stacksave(offset) \ - do { \ - _stack_save(stack, &stackidx, 0x2, (offset), \ - b43legacy_radio_read16(dev, (offset))); \ - } while (0) -#define radio_stackrestore(offset) \ - do { \ - b43legacy_radio_write16(dev, (offset), \ - _stack_restore(stack, 0x2, \ - (offset))); \ - } while (0) -#define ilt_stacksave(offset) \ - do { \ - _stack_save(stack, &stackidx, 0x3, (offset), \ - b43legacy_ilt_read(dev, (offset))); \ - } while (0) -#define ilt_stackrestore(offset) \ - do { \ - b43legacy_ilt_write(dev, (offset), \ - _stack_restore(stack, 0x3, \ - (offset))); \ - } while (0) - -static void -b43legacy_radio_interference_mitigation_enable(struct b43legacy_wldev *dev, - int mode) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 tmp; - u16 flipped; - u32 tmp32; - size_t stackidx = 0; - u32 *stack = phy->interfstack; - - switch (mode) { - case B43legacy_RADIO_INTERFMODE_NONWLAN: - if (phy->rev != 1) { - b43legacy_phy_write(dev, 0x042B, - b43legacy_phy_read(dev, 0x042B) - | 0x0800); - b43legacy_phy_write(dev, B43legacy_PHY_G_CRS, - b43legacy_phy_read(dev, - B43legacy_PHY_G_CRS) & ~0x4000); - break; - } - radio_stacksave(0x0078); - tmp = (b43legacy_radio_read16(dev, 0x0078) & 0x001E); - flipped = flip_4bit(tmp); - if (flipped < 10 && flipped >= 8) - flipped = 7; - else if (flipped >= 10) - flipped -= 3; - flipped = flip_4bit(flipped); - flipped = (flipped << 1) | 0x0020; - b43legacy_radio_write16(dev, 0x0078, flipped); - - b43legacy_calc_nrssi_threshold(dev); - - phy_stacksave(0x0406); - b43legacy_phy_write(dev, 0x0406, 0x7E28); - - b43legacy_phy_write(dev, 0x042B, - b43legacy_phy_read(dev, 0x042B) | 0x0800); - b43legacy_phy_write(dev, B43legacy_PHY_RADIO_BITFIELD, - b43legacy_phy_read(dev, - B43legacy_PHY_RADIO_BITFIELD) | 0x1000); - - phy_stacksave(0x04A0); - b43legacy_phy_write(dev, 0x04A0, - (b43legacy_phy_read(dev, 0x04A0) & 0xC0C0) - | 0x0008); - phy_stacksave(0x04A1); - b43legacy_phy_write(dev, 0x04A1, - (b43legacy_phy_read(dev, 0x04A1) & 0xC0C0) - | 0x0605); - phy_stacksave(0x04A2); - b43legacy_phy_write(dev, 0x04A2, - (b43legacy_phy_read(dev, 0x04A2) & 0xC0C0) - | 0x0204); - phy_stacksave(0x04A8); - b43legacy_phy_write(dev, 0x04A8, - (b43legacy_phy_read(dev, 0x04A8) & 0xC0C0) - | 0x0803); - phy_stacksave(0x04AB); - b43legacy_phy_write(dev, 0x04AB, - (b43legacy_phy_read(dev, 0x04AB) & 0xC0C0) - | 0x0605); - - phy_stacksave(0x04A7); - b43legacy_phy_write(dev, 0x04A7, 0x0002); - phy_stacksave(0x04A3); - b43legacy_phy_write(dev, 0x04A3, 0x287A); - phy_stacksave(0x04A9); - b43legacy_phy_write(dev, 0x04A9, 0x2027); - phy_stacksave(0x0493); - b43legacy_phy_write(dev, 0x0493, 0x32F5); - phy_stacksave(0x04AA); - b43legacy_phy_write(dev, 0x04AA, 0x2027); - phy_stacksave(0x04AC); - b43legacy_phy_write(dev, 0x04AC, 0x32F5); - break; - case B43legacy_RADIO_INTERFMODE_MANUALWLAN: - if (b43legacy_phy_read(dev, 0x0033) & 0x0800) - break; - - phy->aci_enable = true; - - phy_stacksave(B43legacy_PHY_RADIO_BITFIELD); - phy_stacksave(B43legacy_PHY_G_CRS); - if (phy->rev < 2) - phy_stacksave(0x0406); - else { - phy_stacksave(0x04C0); - phy_stacksave(0x04C1); - } - phy_stacksave(0x0033); - phy_stacksave(0x04A7); - phy_stacksave(0x04A3); - phy_stacksave(0x04A9); - phy_stacksave(0x04AA); - phy_stacksave(0x04AC); - phy_stacksave(0x0493); - phy_stacksave(0x04A1); - phy_stacksave(0x04A0); - phy_stacksave(0x04A2); - phy_stacksave(0x048A); - phy_stacksave(0x04A8); - phy_stacksave(0x04AB); - if (phy->rev == 2) { - phy_stacksave(0x04AD); - phy_stacksave(0x04AE); - } else if (phy->rev >= 3) { - phy_stacksave(0x04AD); - phy_stacksave(0x0415); - phy_stacksave(0x0416); - phy_stacksave(0x0417); - ilt_stacksave(0x1A00 + 0x2); - ilt_stacksave(0x1A00 + 0x3); - } - phy_stacksave(0x042B); - phy_stacksave(0x048C); - - b43legacy_phy_write(dev, B43legacy_PHY_RADIO_BITFIELD, - b43legacy_phy_read(dev, - B43legacy_PHY_RADIO_BITFIELD) & ~0x1000); - b43legacy_phy_write(dev, B43legacy_PHY_G_CRS, - (b43legacy_phy_read(dev, - B43legacy_PHY_G_CRS) - & 0xFFFC) | 0x0002); - - b43legacy_phy_write(dev, 0x0033, 0x0800); - b43legacy_phy_write(dev, 0x04A3, 0x2027); - b43legacy_phy_write(dev, 0x04A9, 0x1CA8); - b43legacy_phy_write(dev, 0x0493, 0x287A); - b43legacy_phy_write(dev, 0x04AA, 0x1CA8); - b43legacy_phy_write(dev, 0x04AC, 0x287A); - - b43legacy_phy_write(dev, 0x04A0, - (b43legacy_phy_read(dev, 0x04A0) - & 0xFFC0) | 0x001A); - b43legacy_phy_write(dev, 0x04A7, 0x000D); - - if (phy->rev < 2) - b43legacy_phy_write(dev, 0x0406, 0xFF0D); - else if (phy->rev == 2) { - b43legacy_phy_write(dev, 0x04C0, 0xFFFF); - b43legacy_phy_write(dev, 0x04C1, 0x00A9); - } else { - b43legacy_phy_write(dev, 0x04C0, 0x00C1); - b43legacy_phy_write(dev, 0x04C1, 0x0059); - } - - b43legacy_phy_write(dev, 0x04A1, - (b43legacy_phy_read(dev, 0x04A1) - & 0xC0FF) | 0x1800); - b43legacy_phy_write(dev, 0x04A1, - (b43legacy_phy_read(dev, 0x04A1) - & 0xFFC0) | 0x0015); - b43legacy_phy_write(dev, 0x04A8, - (b43legacy_phy_read(dev, 0x04A8) - & 0xCFFF) | 0x1000); - b43legacy_phy_write(dev, 0x04A8, - (b43legacy_phy_read(dev, 0x04A8) - & 0xF0FF) | 0x0A00); - b43legacy_phy_write(dev, 0x04AB, - (b43legacy_phy_read(dev, 0x04AB) - & 0xCFFF) | 0x1000); - b43legacy_phy_write(dev, 0x04AB, - (b43legacy_phy_read(dev, 0x04AB) - & 0xF0FF) | 0x0800); - b43legacy_phy_write(dev, 0x04AB, - (b43legacy_phy_read(dev, 0x04AB) - & 0xFFCF) | 0x0010); - b43legacy_phy_write(dev, 0x04AB, - (b43legacy_phy_read(dev, 0x04AB) - & 0xFFF0) | 0x0005); - b43legacy_phy_write(dev, 0x04A8, - (b43legacy_phy_read(dev, 0x04A8) - & 0xFFCF) | 0x0010); - b43legacy_phy_write(dev, 0x04A8, - (b43legacy_phy_read(dev, 0x04A8) - & 0xFFF0) | 0x0006); - b43legacy_phy_write(dev, 0x04A2, - (b43legacy_phy_read(dev, 0x04A2) - & 0xF0FF) | 0x0800); - b43legacy_phy_write(dev, 0x04A0, - (b43legacy_phy_read(dev, 0x04A0) - & 0xF0FF) | 0x0500); - b43legacy_phy_write(dev, 0x04A2, - (b43legacy_phy_read(dev, 0x04A2) - & 0xFFF0) | 0x000B); - - if (phy->rev >= 3) { - b43legacy_phy_write(dev, 0x048A, - b43legacy_phy_read(dev, 0x048A) - & ~0x8000); - b43legacy_phy_write(dev, 0x0415, - (b43legacy_phy_read(dev, 0x0415) - & 0x8000) | 0x36D8); - b43legacy_phy_write(dev, 0x0416, - (b43legacy_phy_read(dev, 0x0416) - & 0x8000) | 0x36D8); - b43legacy_phy_write(dev, 0x0417, - (b43legacy_phy_read(dev, 0x0417) - & 0xFE00) | 0x016D); - } else { - b43legacy_phy_write(dev, 0x048A, - b43legacy_phy_read(dev, 0x048A) - | 0x1000); - b43legacy_phy_write(dev, 0x048A, - (b43legacy_phy_read(dev, 0x048A) - & 0x9FFF) | 0x2000); - tmp32 = b43legacy_shm_read32(dev, B43legacy_SHM_SHARED, - B43legacy_UCODEFLAGS_OFFSET); - if (!(tmp32 & 0x800)) { - tmp32 |= 0x800; - b43legacy_shm_write32(dev, B43legacy_SHM_SHARED, - B43legacy_UCODEFLAGS_OFFSET, - tmp32); - } - } - if (phy->rev >= 2) - b43legacy_phy_write(dev, 0x042B, - b43legacy_phy_read(dev, 0x042B) - | 0x0800); - b43legacy_phy_write(dev, 0x048C, - (b43legacy_phy_read(dev, 0x048C) - & 0xF0FF) | 0x0200); - if (phy->rev == 2) { - b43legacy_phy_write(dev, 0x04AE, - (b43legacy_phy_read(dev, 0x04AE) - & 0xFF00) | 0x007F); - b43legacy_phy_write(dev, 0x04AD, - (b43legacy_phy_read(dev, 0x04AD) - & 0x00FF) | 0x1300); - } else if (phy->rev >= 6) { - b43legacy_ilt_write(dev, 0x1A00 + 0x3, 0x007F); - b43legacy_ilt_write(dev, 0x1A00 + 0x2, 0x007F); - b43legacy_phy_write(dev, 0x04AD, - b43legacy_phy_read(dev, 0x04AD) - & 0x00FF); - } - b43legacy_calc_nrssi_slope(dev); - break; - default: - B43legacy_BUG_ON(1); - } -} - -static void -b43legacy_radio_interference_mitigation_disable(struct b43legacy_wldev *dev, - int mode) -{ - struct b43legacy_phy *phy = &dev->phy; - u32 tmp32; - u32 *stack = phy->interfstack; - - switch (mode) { - case B43legacy_RADIO_INTERFMODE_NONWLAN: - if (phy->rev != 1) { - b43legacy_phy_write(dev, 0x042B, - b43legacy_phy_read(dev, 0x042B) - & ~0x0800); - b43legacy_phy_write(dev, B43legacy_PHY_G_CRS, - b43legacy_phy_read(dev, - B43legacy_PHY_G_CRS) | 0x4000); - break; - } - phy_stackrestore(0x0078); - b43legacy_calc_nrssi_threshold(dev); - phy_stackrestore(0x0406); - b43legacy_phy_write(dev, 0x042B, - b43legacy_phy_read(dev, 0x042B) & ~0x0800); - if (!dev->bad_frames_preempt) - b43legacy_phy_write(dev, B43legacy_PHY_RADIO_BITFIELD, - b43legacy_phy_read(dev, - B43legacy_PHY_RADIO_BITFIELD) - & ~(1 << 11)); - b43legacy_phy_write(dev, B43legacy_PHY_G_CRS, - b43legacy_phy_read(dev, B43legacy_PHY_G_CRS) - | 0x4000); - phy_stackrestore(0x04A0); - phy_stackrestore(0x04A1); - phy_stackrestore(0x04A2); - phy_stackrestore(0x04A8); - phy_stackrestore(0x04AB); - phy_stackrestore(0x04A7); - phy_stackrestore(0x04A3); - phy_stackrestore(0x04A9); - phy_stackrestore(0x0493); - phy_stackrestore(0x04AA); - phy_stackrestore(0x04AC); - break; - case B43legacy_RADIO_INTERFMODE_MANUALWLAN: - if (!(b43legacy_phy_read(dev, 0x0033) & 0x0800)) - break; - - phy->aci_enable = false; - - phy_stackrestore(B43legacy_PHY_RADIO_BITFIELD); - phy_stackrestore(B43legacy_PHY_G_CRS); - phy_stackrestore(0x0033); - phy_stackrestore(0x04A3); - phy_stackrestore(0x04A9); - phy_stackrestore(0x0493); - phy_stackrestore(0x04AA); - phy_stackrestore(0x04AC); - phy_stackrestore(0x04A0); - phy_stackrestore(0x04A7); - if (phy->rev >= 2) { - phy_stackrestore(0x04C0); - phy_stackrestore(0x04C1); - } else - phy_stackrestore(0x0406); - phy_stackrestore(0x04A1); - phy_stackrestore(0x04AB); - phy_stackrestore(0x04A8); - if (phy->rev == 2) { - phy_stackrestore(0x04AD); - phy_stackrestore(0x04AE); - } else if (phy->rev >= 3) { - phy_stackrestore(0x04AD); - phy_stackrestore(0x0415); - phy_stackrestore(0x0416); - phy_stackrestore(0x0417); - ilt_stackrestore(0x1A00 + 0x2); - ilt_stackrestore(0x1A00 + 0x3); - } - phy_stackrestore(0x04A2); - phy_stackrestore(0x04A8); - phy_stackrestore(0x042B); - phy_stackrestore(0x048C); - tmp32 = b43legacy_shm_read32(dev, B43legacy_SHM_SHARED, - B43legacy_UCODEFLAGS_OFFSET); - if (tmp32 & 0x800) { - tmp32 &= ~0x800; - b43legacy_shm_write32(dev, B43legacy_SHM_SHARED, - B43legacy_UCODEFLAGS_OFFSET, - tmp32); - } - b43legacy_calc_nrssi_slope(dev); - break; - default: - B43legacy_BUG_ON(1); - } -} - -#undef phy_stacksave -#undef phy_stackrestore -#undef radio_stacksave -#undef radio_stackrestore -#undef ilt_stacksave -#undef ilt_stackrestore - -int b43legacy_radio_set_interference_mitigation(struct b43legacy_wldev *dev, - int mode) -{ - struct b43legacy_phy *phy = &dev->phy; - int currentmode; - - if ((phy->type != B43legacy_PHYTYPE_G) || - (phy->rev == 0) || (!phy->gmode)) - return -ENODEV; - - phy->aci_wlan_automatic = false; - switch (mode) { - case B43legacy_RADIO_INTERFMODE_AUTOWLAN: - phy->aci_wlan_automatic = true; - if (phy->aci_enable) - mode = B43legacy_RADIO_INTERFMODE_MANUALWLAN; - else - mode = B43legacy_RADIO_INTERFMODE_NONE; - break; - case B43legacy_RADIO_INTERFMODE_NONE: - case B43legacy_RADIO_INTERFMODE_NONWLAN: - case B43legacy_RADIO_INTERFMODE_MANUALWLAN: - break; - default: - return -EINVAL; - } - - currentmode = phy->interfmode; - if (currentmode == mode) - return 0; - if (currentmode != B43legacy_RADIO_INTERFMODE_NONE) - b43legacy_radio_interference_mitigation_disable(dev, - currentmode); - - if (mode == B43legacy_RADIO_INTERFMODE_NONE) { - phy->aci_enable = false; - phy->aci_hw_rssi = false; - } else - b43legacy_radio_interference_mitigation_enable(dev, mode); - phy->interfmode = mode; - - return 0; -} - -u16 b43legacy_radio_calibrationvalue(struct b43legacy_wldev *dev) -{ - u16 reg; - u16 index; - u16 ret; - - reg = b43legacy_radio_read16(dev, 0x0060); - index = (reg & 0x001E) >> 1; - ret = rcc_table[index] << 1; - ret |= (reg & 0x0001); - ret |= 0x0020; - - return ret; -} - -#define LPD(L, P, D) (((L) << 2) | ((P) << 1) | ((D) << 0)) -static u16 b43legacy_get_812_value(struct b43legacy_wldev *dev, u8 lpd) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 loop_or = 0; - u16 adj_loopback_gain = phy->loopback_gain[0]; - u8 loop; - u16 extern_lna_control; - - if (!phy->gmode) - return 0; - if (!has_loopback_gain(phy)) { - if (phy->rev < 7 || !(dev->dev->bus->sprom.boardflags_lo - & B43legacy_BFL_EXTLNA)) { - switch (lpd) { - case LPD(0, 1, 1): - return 0x0FB2; - case LPD(0, 0, 1): - return 0x00B2; - case LPD(1, 0, 1): - return 0x30B2; - case LPD(1, 0, 0): - return 0x30B3; - default: - B43legacy_BUG_ON(1); - } - } else { - switch (lpd) { - case LPD(0, 1, 1): - return 0x8FB2; - case LPD(0, 0, 1): - return 0x80B2; - case LPD(1, 0, 1): - return 0x20B2; - case LPD(1, 0, 0): - return 0x20B3; - default: - B43legacy_BUG_ON(1); - } - } - } else { - if (phy->radio_rev == 8) - adj_loopback_gain += 0x003E; - else - adj_loopback_gain += 0x0026; - if (adj_loopback_gain >= 0x46) { - adj_loopback_gain -= 0x46; - extern_lna_control = 0x3000; - } else if (adj_loopback_gain >= 0x3A) { - adj_loopback_gain -= 0x3A; - extern_lna_control = 0x2000; - } else if (adj_loopback_gain >= 0x2E) { - adj_loopback_gain -= 0x2E; - extern_lna_control = 0x1000; - } else { - adj_loopback_gain -= 0x10; - extern_lna_control = 0x0000; - } - for (loop = 0; loop < 16; loop++) { - u16 tmp = adj_loopback_gain - 6 * loop; - if (tmp < 6) - break; - } - - loop_or = (loop << 8) | extern_lna_control; - if (phy->rev >= 7 && dev->dev->bus->sprom.boardflags_lo - & B43legacy_BFL_EXTLNA) { - if (extern_lna_control) - loop_or |= 0x8000; - switch (lpd) { - case LPD(0, 1, 1): - return 0x8F92; - case LPD(0, 0, 1): - return (0x8092 | loop_or); - case LPD(1, 0, 1): - return (0x2092 | loop_or); - case LPD(1, 0, 0): - return (0x2093 | loop_or); - default: - B43legacy_BUG_ON(1); - } - } else { - switch (lpd) { - case LPD(0, 1, 1): - return 0x0F92; - case LPD(0, 0, 1): - case LPD(1, 0, 1): - return (0x0092 | loop_or); - case LPD(1, 0, 0): - return (0x0093 | loop_or); - default: - B43legacy_BUG_ON(1); - } - } - } - return 0; -} - -u16 b43legacy_radio_init2050(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 backup[21] = { 0 }; - u16 ret; - u16 i; - u16 j; - u32 tmp1 = 0; - u32 tmp2 = 0; - - backup[0] = b43legacy_radio_read16(dev, 0x0043); - backup[14] = b43legacy_radio_read16(dev, 0x0051); - backup[15] = b43legacy_radio_read16(dev, 0x0052); - backup[1] = b43legacy_phy_read(dev, 0x0015); - backup[16] = b43legacy_phy_read(dev, 0x005A); - backup[17] = b43legacy_phy_read(dev, 0x0059); - backup[18] = b43legacy_phy_read(dev, 0x0058); - if (phy->type == B43legacy_PHYTYPE_B) { - backup[2] = b43legacy_phy_read(dev, 0x0030); - backup[3] = b43legacy_read16(dev, 0x03EC); - b43legacy_phy_write(dev, 0x0030, 0x00FF); - b43legacy_write16(dev, 0x03EC, 0x3F3F); - } else { - if (phy->gmode) { - backup[4] = b43legacy_phy_read(dev, 0x0811); - backup[5] = b43legacy_phy_read(dev, 0x0812); - backup[6] = b43legacy_phy_read(dev, 0x0814); - backup[7] = b43legacy_phy_read(dev, 0x0815); - backup[8] = b43legacy_phy_read(dev, - B43legacy_PHY_G_CRS); - backup[9] = b43legacy_phy_read(dev, 0x0802); - b43legacy_phy_write(dev, 0x0814, - (b43legacy_phy_read(dev, 0x0814) - | 0x0003)); - b43legacy_phy_write(dev, 0x0815, - (b43legacy_phy_read(dev, 0x0815) - & 0xFFFC)); - b43legacy_phy_write(dev, B43legacy_PHY_G_CRS, - (b43legacy_phy_read(dev, - B43legacy_PHY_G_CRS) & 0x7FFF)); - b43legacy_phy_write(dev, 0x0802, - (b43legacy_phy_read(dev, 0x0802) - & 0xFFFC)); - if (phy->rev > 1) { /* loopback gain enabled */ - backup[19] = b43legacy_phy_read(dev, 0x080F); - backup[20] = b43legacy_phy_read(dev, 0x0810); - if (phy->rev >= 3) - b43legacy_phy_write(dev, 0x080F, - 0xC020); - else - b43legacy_phy_write(dev, 0x080F, - 0x8020); - b43legacy_phy_write(dev, 0x0810, 0x0000); - } - b43legacy_phy_write(dev, 0x0812, - b43legacy_get_812_value(dev, - LPD(0, 1, 1))); - if (phy->rev < 7 || - !(dev->dev->bus->sprom.boardflags_lo - & B43legacy_BFL_EXTLNA)) - b43legacy_phy_write(dev, 0x0811, 0x01B3); - else - b43legacy_phy_write(dev, 0x0811, 0x09B3); - } - } - b43legacy_write16(dev, B43legacy_MMIO_PHY_RADIO, - (b43legacy_read16(dev, B43legacy_MMIO_PHY_RADIO) - | 0x8000)); - backup[10] = b43legacy_phy_read(dev, 0x0035); - b43legacy_phy_write(dev, 0x0035, - (b43legacy_phy_read(dev, 0x0035) & 0xFF7F)); - backup[11] = b43legacy_read16(dev, 0x03E6); - backup[12] = b43legacy_read16(dev, B43legacy_MMIO_CHANNEL_EXT); - - /* Initialization */ - if (phy->analog == 0) - b43legacy_write16(dev, 0x03E6, 0x0122); - else { - if (phy->analog >= 2) - b43legacy_phy_write(dev, 0x0003, - (b43legacy_phy_read(dev, 0x0003) - & 0xFFBF) | 0x0040); - b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT, - (b43legacy_read16(dev, - B43legacy_MMIO_CHANNEL_EXT) | 0x2000)); - } - - ret = b43legacy_radio_calibrationvalue(dev); - - if (phy->type == B43legacy_PHYTYPE_B) - b43legacy_radio_write16(dev, 0x0078, 0x0026); - - if (phy->gmode) - b43legacy_phy_write(dev, 0x0812, - b43legacy_get_812_value(dev, - LPD(0, 1, 1))); - b43legacy_phy_write(dev, 0x0015, 0xBFAF); - b43legacy_phy_write(dev, 0x002B, 0x1403); - if (phy->gmode) - b43legacy_phy_write(dev, 0x0812, - b43legacy_get_812_value(dev, - LPD(0, 0, 1))); - b43legacy_phy_write(dev, 0x0015, 0xBFA0); - b43legacy_radio_write16(dev, 0x0051, - (b43legacy_radio_read16(dev, 0x0051) - | 0x0004)); - if (phy->radio_rev == 8) - b43legacy_radio_write16(dev, 0x0043, 0x001F); - else { - b43legacy_radio_write16(dev, 0x0052, 0x0000); - b43legacy_radio_write16(dev, 0x0043, - (b43legacy_radio_read16(dev, 0x0043) - & 0xFFF0) | 0x0009); - } - b43legacy_phy_write(dev, 0x0058, 0x0000); - - for (i = 0; i < 16; i++) { - b43legacy_phy_write(dev, 0x005A, 0x0480); - b43legacy_phy_write(dev, 0x0059, 0xC810); - b43legacy_phy_write(dev, 0x0058, 0x000D); - if (phy->gmode) - b43legacy_phy_write(dev, 0x0812, - b43legacy_get_812_value(dev, - LPD(1, 0, 1))); - b43legacy_phy_write(dev, 0x0015, 0xAFB0); - udelay(10); - if (phy->gmode) - b43legacy_phy_write(dev, 0x0812, - b43legacy_get_812_value(dev, - LPD(1, 0, 1))); - b43legacy_phy_write(dev, 0x0015, 0xEFB0); - udelay(10); - if (phy->gmode) - b43legacy_phy_write(dev, 0x0812, - b43legacy_get_812_value(dev, - LPD(1, 0, 0))); - b43legacy_phy_write(dev, 0x0015, 0xFFF0); - udelay(20); - tmp1 += b43legacy_phy_read(dev, 0x002D); - b43legacy_phy_write(dev, 0x0058, 0x0000); - if (phy->gmode) - b43legacy_phy_write(dev, 0x0812, - b43legacy_get_812_value(dev, - LPD(1, 0, 1))); - b43legacy_phy_write(dev, 0x0015, 0xAFB0); - } - - tmp1++; - tmp1 >>= 9; - udelay(10); - b43legacy_phy_write(dev, 0x0058, 0x0000); - - for (i = 0; i < 16; i++) { - b43legacy_radio_write16(dev, 0x0078, (flip_4bit(i) << 1) - | 0x0020); - backup[13] = b43legacy_radio_read16(dev, 0x0078); - udelay(10); - for (j = 0; j < 16; j++) { - b43legacy_phy_write(dev, 0x005A, 0x0D80); - b43legacy_phy_write(dev, 0x0059, 0xC810); - b43legacy_phy_write(dev, 0x0058, 0x000D); - if (phy->gmode) - b43legacy_phy_write(dev, 0x0812, - b43legacy_get_812_value(dev, - LPD(1, 0, 1))); - b43legacy_phy_write(dev, 0x0015, 0xAFB0); - udelay(10); - if (phy->gmode) - b43legacy_phy_write(dev, 0x0812, - b43legacy_get_812_value(dev, - LPD(1, 0, 1))); - b43legacy_phy_write(dev, 0x0015, 0xEFB0); - udelay(10); - if (phy->gmode) - b43legacy_phy_write(dev, 0x0812, - b43legacy_get_812_value(dev, - LPD(1, 0, 0))); - b43legacy_phy_write(dev, 0x0015, 0xFFF0); - udelay(10); - tmp2 += b43legacy_phy_read(dev, 0x002D); - b43legacy_phy_write(dev, 0x0058, 0x0000); - if (phy->gmode) - b43legacy_phy_write(dev, 0x0812, - b43legacy_get_812_value(dev, - LPD(1, 0, 1))); - b43legacy_phy_write(dev, 0x0015, 0xAFB0); - } - tmp2++; - tmp2 >>= 8; - if (tmp1 < tmp2) - break; - } - - /* Restore the registers */ - b43legacy_phy_write(dev, 0x0015, backup[1]); - b43legacy_radio_write16(dev, 0x0051, backup[14]); - b43legacy_radio_write16(dev, 0x0052, backup[15]); - b43legacy_radio_write16(dev, 0x0043, backup[0]); - b43legacy_phy_write(dev, 0x005A, backup[16]); - b43legacy_phy_write(dev, 0x0059, backup[17]); - b43legacy_phy_write(dev, 0x0058, backup[18]); - b43legacy_write16(dev, 0x03E6, backup[11]); - if (phy->analog != 0) - b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT, backup[12]); - b43legacy_phy_write(dev, 0x0035, backup[10]); - b43legacy_radio_selectchannel(dev, phy->channel, 1); - if (phy->type == B43legacy_PHYTYPE_B) { - b43legacy_phy_write(dev, 0x0030, backup[2]); - b43legacy_write16(dev, 0x03EC, backup[3]); - } else { - if (phy->gmode) { - b43legacy_write16(dev, B43legacy_MMIO_PHY_RADIO, - (b43legacy_read16(dev, - B43legacy_MMIO_PHY_RADIO) & 0x7FFF)); - b43legacy_phy_write(dev, 0x0811, backup[4]); - b43legacy_phy_write(dev, 0x0812, backup[5]); - b43legacy_phy_write(dev, 0x0814, backup[6]); - b43legacy_phy_write(dev, 0x0815, backup[7]); - b43legacy_phy_write(dev, B43legacy_PHY_G_CRS, - backup[8]); - b43legacy_phy_write(dev, 0x0802, backup[9]); - if (phy->rev > 1) { - b43legacy_phy_write(dev, 0x080F, backup[19]); - b43legacy_phy_write(dev, 0x0810, backup[20]); - } - } - } - if (i >= 15) - ret = backup[13]; - - return ret; -} - -static inline -u16 freq_r3A_value(u16 frequency) -{ - u16 value; - - if (frequency < 5091) - value = 0x0040; - else if (frequency < 5321) - value = 0x0000; - else if (frequency < 5806) - value = 0x0080; - else - value = 0x0040; - - return value; -} - -int b43legacy_radio_selectchannel(struct b43legacy_wldev *dev, - u8 channel, - int synthetic_pu_workaround) -{ - struct b43legacy_phy *phy = &dev->phy; - - if (channel == 0xFF) { - switch (phy->type) { - case B43legacy_PHYTYPE_B: - case B43legacy_PHYTYPE_G: - channel = B43legacy_RADIO_DEFAULT_CHANNEL_BG; - break; - default: - B43legacy_WARN_ON(1); - } - } - -/* TODO: Check if channel is valid - return -EINVAL if not */ - if (synthetic_pu_workaround) - b43legacy_synth_pu_workaround(dev, channel); - - b43legacy_write16(dev, B43legacy_MMIO_CHANNEL, - channel2freq_bg(channel)); - - if (channel == 14) { - if (dev->dev->bus->sprom.country_code == 5) /* JAPAN) */ - b43legacy_shm_write32(dev, B43legacy_SHM_SHARED, - B43legacy_UCODEFLAGS_OFFSET, - b43legacy_shm_read32(dev, - B43legacy_SHM_SHARED, - B43legacy_UCODEFLAGS_OFFSET) - & ~(1 << 7)); - else - b43legacy_shm_write32(dev, B43legacy_SHM_SHARED, - B43legacy_UCODEFLAGS_OFFSET, - b43legacy_shm_read32(dev, - B43legacy_SHM_SHARED, - B43legacy_UCODEFLAGS_OFFSET) - | (1 << 7)); - b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT, - b43legacy_read16(dev, - B43legacy_MMIO_CHANNEL_EXT) | (1 << 11)); - } else - b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT, - b43legacy_read16(dev, - B43legacy_MMIO_CHANNEL_EXT) & 0xF7BF); - - phy->channel = channel; - /*XXX: Using the longer of 2 timeouts (8000 vs 2000 usecs). Specs states - * that 2000 usecs might suffice. */ - msleep(8); - - return 0; -} - -void b43legacy_radio_set_txantenna(struct b43legacy_wldev *dev, u32 val) -{ - u16 tmp; - - val <<= 8; - tmp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, 0x0022) & 0xFCFF; - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x0022, tmp | val); - tmp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, 0x03A8) & 0xFCFF; - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x03A8, tmp | val); - tmp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, 0x0054) & 0xFCFF; - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x0054, tmp | val); -} - -/* http://bcm-specs.sipsolutions.net/TX_Gain_Base_Band */ -static u16 b43legacy_get_txgain_base_band(u16 txpower) -{ - u16 ret; - - B43legacy_WARN_ON(txpower > 63); - - if (txpower >= 54) - ret = 2; - else if (txpower >= 49) - ret = 4; - else if (txpower >= 44) - ret = 5; - else - ret = 6; - - return ret; -} - -/* http://bcm-specs.sipsolutions.net/TX_Gain_Radio_Frequency_Power_Amplifier */ -static u16 b43legacy_get_txgain_freq_power_amp(u16 txpower) -{ - u16 ret; - - B43legacy_WARN_ON(txpower > 63); - - if (txpower >= 32) - ret = 0; - else if (txpower >= 25) - ret = 1; - else if (txpower >= 20) - ret = 2; - else if (txpower >= 12) - ret = 3; - else - ret = 4; - - return ret; -} - -/* http://bcm-specs.sipsolutions.net/TX_Gain_Digital_Analog_Converter */ -static u16 b43legacy_get_txgain_dac(u16 txpower) -{ - u16 ret; - - B43legacy_WARN_ON(txpower > 63); - - if (txpower >= 54) - ret = txpower - 53; - else if (txpower >= 49) - ret = txpower - 42; - else if (txpower >= 44) - ret = txpower - 37; - else if (txpower >= 32) - ret = txpower - 32; - else if (txpower >= 25) - ret = txpower - 20; - else if (txpower >= 20) - ret = txpower - 13; - else if (txpower >= 12) - ret = txpower - 8; - else - ret = txpower; - - return ret; -} - -void b43legacy_radio_set_txpower_a(struct b43legacy_wldev *dev, u16 txpower) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 pamp; - u16 base; - u16 dac; - u16 ilt; - - txpower = clamp_val(txpower, 0, 63); - - pamp = b43legacy_get_txgain_freq_power_amp(txpower); - pamp <<= 5; - pamp &= 0x00E0; - b43legacy_phy_write(dev, 0x0019, pamp); - - base = b43legacy_get_txgain_base_band(txpower); - base &= 0x000F; - b43legacy_phy_write(dev, 0x0017, base | 0x0020); - - ilt = b43legacy_ilt_read(dev, 0x3001); - ilt &= 0x0007; - - dac = b43legacy_get_txgain_dac(txpower); - dac <<= 3; - dac |= ilt; - - b43legacy_ilt_write(dev, 0x3001, dac); - - phy->txpwr_offset = txpower; - - /* TODO: FuncPlaceholder (Adjust BB loft cancel) */ -} - -void b43legacy_radio_set_txpower_bg(struct b43legacy_wldev *dev, - u16 baseband_attenuation, - u16 radio_attenuation, - u16 txpower) -{ - struct b43legacy_phy *phy = &dev->phy; - - if (baseband_attenuation == 0xFFFF) - baseband_attenuation = phy->bbatt; - if (radio_attenuation == 0xFFFF) - radio_attenuation = phy->rfatt; - if (txpower == 0xFFFF) - txpower = phy->txctl1; - phy->bbatt = baseband_attenuation; - phy->rfatt = radio_attenuation; - phy->txctl1 = txpower; - - B43legacy_WARN_ON(baseband_attenuation > 11); - if (phy->radio_rev < 6) - B43legacy_WARN_ON(radio_attenuation > 9); - else - B43legacy_WARN_ON(radio_attenuation > 31); - B43legacy_WARN_ON(txpower > 7); - - b43legacy_phy_set_baseband_attenuation(dev, baseband_attenuation); - b43legacy_radio_write16(dev, 0x0043, radio_attenuation); - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x0064, - radio_attenuation); - if (phy->radio_ver == 0x2050) - b43legacy_radio_write16(dev, 0x0052, - (b43legacy_radio_read16(dev, 0x0052) - & ~0x0070) | ((txpower << 4) & 0x0070)); - /* FIXME: The spec is very weird and unclear here. */ - if (phy->type == B43legacy_PHYTYPE_G) - b43legacy_phy_lo_adjust(dev, 0); -} - -u16 b43legacy_default_baseband_attenuation(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - - if (phy->radio_ver == 0x2050 && phy->radio_rev < 6) - return 0; - return 2; -} - -u16 b43legacy_default_radio_attenuation(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - u16 att = 0xFFFF; - - switch (phy->radio_ver) { - case 0x2053: - switch (phy->radio_rev) { - case 1: - att = 6; - break; - } - break; - case 0x2050: - switch (phy->radio_rev) { - case 0: - att = 5; - break; - case 1: - if (phy->type == B43legacy_PHYTYPE_G) { - if (is_bcm_board_vendor(dev) && - dev->dev->bus->boardinfo.type == 0x421 && - dev->dev->bus->sprom.board_rev >= 30) - att = 3; - else if (is_bcm_board_vendor(dev) && - dev->dev->bus->boardinfo.type == 0x416) - att = 3; - else - att = 1; - } else { - if (is_bcm_board_vendor(dev) && - dev->dev->bus->boardinfo.type == 0x421 && - dev->dev->bus->sprom.board_rev >= 30) - att = 7; - else - att = 6; - } - break; - case 2: - if (phy->type == B43legacy_PHYTYPE_G) { - if (is_bcm_board_vendor(dev) && - dev->dev->bus->boardinfo.type == 0x421 && - dev->dev->bus->sprom.board_rev >= 30) - att = 3; - else if (is_bcm_board_vendor(dev) && - dev->dev->bus->boardinfo.type == - 0x416) - att = 5; - else if (dev->dev->bus->chip_id == 0x4320) - att = 4; - else - att = 3; - } else - att = 6; - break; - case 3: - att = 5; - break; - case 4: - case 5: - att = 1; - break; - case 6: - case 7: - att = 5; - break; - case 8: - att = 0x1A; - break; - case 9: - default: - att = 5; - } - } - if (is_bcm_board_vendor(dev) && - dev->dev->bus->boardinfo.type == 0x421) { - if (dev->dev->bus->sprom.board_rev < 0x43) - att = 2; - else if (dev->dev->bus->sprom.board_rev < 0x51) - att = 3; - } - if (att == 0xFFFF) - att = 5; - - return att; -} - -u16 b43legacy_default_txctl1(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - - if (phy->radio_ver != 0x2050) - return 0; - if (phy->radio_rev == 1) - return 3; - if (phy->radio_rev < 6) - return 2; - if (phy->radio_rev == 8) - return 1; - return 0; -} - -void b43legacy_radio_turn_on(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - int err; - u8 channel; - - might_sleep(); - - if (phy->radio_on) - return; - - switch (phy->type) { - case B43legacy_PHYTYPE_B: - case B43legacy_PHYTYPE_G: - b43legacy_phy_write(dev, 0x0015, 0x8000); - b43legacy_phy_write(dev, 0x0015, 0xCC00); - b43legacy_phy_write(dev, 0x0015, - (phy->gmode ? 0x00C0 : 0x0000)); - if (phy->radio_off_context.valid) { - /* Restore the RFover values. */ - b43legacy_phy_write(dev, B43legacy_PHY_RFOVER, - phy->radio_off_context.rfover); - b43legacy_phy_write(dev, B43legacy_PHY_RFOVERVAL, - phy->radio_off_context.rfoverval); - phy->radio_off_context.valid = false; - } - channel = phy->channel; - err = b43legacy_radio_selectchannel(dev, - B43legacy_RADIO_DEFAULT_CHANNEL_BG, 1); - err |= b43legacy_radio_selectchannel(dev, channel, 0); - B43legacy_WARN_ON(err); - break; - default: - B43legacy_BUG_ON(1); - } - phy->radio_on = true; -} - -void b43legacy_radio_turn_off(struct b43legacy_wldev *dev, bool force) -{ - struct b43legacy_phy *phy = &dev->phy; - - if (!phy->radio_on && !force) - return; - - if (phy->type == B43legacy_PHYTYPE_G && dev->dev->id.revision >= 5) { - u16 rfover, rfoverval; - - rfover = b43legacy_phy_read(dev, B43legacy_PHY_RFOVER); - rfoverval = b43legacy_phy_read(dev, B43legacy_PHY_RFOVERVAL); - if (!force) { - phy->radio_off_context.rfover = rfover; - phy->radio_off_context.rfoverval = rfoverval; - phy->radio_off_context.valid = true; - } - b43legacy_phy_write(dev, B43legacy_PHY_RFOVER, rfover | 0x008C); - b43legacy_phy_write(dev, B43legacy_PHY_RFOVERVAL, - rfoverval & 0xFF73); - } else - b43legacy_phy_write(dev, 0x0015, 0xAA00); - phy->radio_on = false; - b43legacydbg(dev->wl, "Radio initialized\n"); -} - -void b43legacy_radio_clear_tssi(struct b43legacy_wldev *dev) -{ - struct b43legacy_phy *phy = &dev->phy; - - switch (phy->type) { - case B43legacy_PHYTYPE_B: - case B43legacy_PHYTYPE_G: - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x0058, - 0x7F7F); - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x005a, - 0x7F7F); - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x0070, - 0x7F7F); - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x0072, - 0x7F7F); - break; - } -} diff --git a/drivers/net/wireless/b43legacy/radio.h b/drivers/net/wireless/b43legacy/radio.h deleted file mode 100644 index dd2976d1d..000000000 --- a/drivers/net/wireless/b43legacy/radio.h +++ /dev/null @@ -1,97 +0,0 @@ -/* - - Broadcom B43legacy wireless driver - - Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, - Stefano Brivio <stefano.brivio@polimi.it> - Michael Buesch <m@bues.ch> - Danny van Dyk <kugelfang@gentoo.org> - Andreas Jaggi <andreas.jaggi@waterwave.ch> - - Some parts of the code in this file are derived from the ipw2200 - driver Copyright(c) 2003 - 2004 Intel Corporation. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#ifndef B43legacy_RADIO_H_ -#define B43legacy_RADIO_H_ - -#include "b43legacy.h" - - -#define B43legacy_RADIO_DEFAULT_CHANNEL_BG 6 - -/* Force antenna 0. */ -#define B43legacy_RADIO_TXANTENNA_0 0 -/* Force antenna 1. */ -#define B43legacy_RADIO_TXANTENNA_1 1 -/* Use the RX antenna, that was selected for the most recently - * received good PLCP header. - */ -#define B43legacy_RADIO_TXANTENNA_LASTPLCP 3 -#define B43legacy_RADIO_TXANTENNA_DEFAULT B43legacy_RADIO_TXANTENNA_LASTPLCP - -#define B43legacy_RADIO_INTERFMODE_NONE 0 -#define B43legacy_RADIO_INTERFMODE_NONWLAN 1 -#define B43legacy_RADIO_INTERFMODE_MANUALWLAN 2 -#define B43legacy_RADIO_INTERFMODE_AUTOWLAN 3 - - -void b43legacy_radio_lock(struct b43legacy_wldev *dev); -void b43legacy_radio_unlock(struct b43legacy_wldev *dev); - -u16 b43legacy_radio_read16(struct b43legacy_wldev *dev, u16 offset); -void b43legacy_radio_write16(struct b43legacy_wldev *dev, u16 offset, u16 val); - -u16 b43legacy_radio_init2050(struct b43legacy_wldev *dev); - -void b43legacy_radio_turn_on(struct b43legacy_wldev *dev); -void b43legacy_radio_turn_off(struct b43legacy_wldev *dev, bool force); - -int b43legacy_radio_selectchannel(struct b43legacy_wldev *dev, u8 channel, - int synthetic_pu_workaround); - -void b43legacy_radio_set_txpower_a(struct b43legacy_wldev *dev, u16 txpower); -void b43legacy_radio_set_txpower_bg(struct b43legacy_wldev *dev, - u16 baseband_attenuation, u16 attenuation, - u16 txpower); - -u16 b43legacy_default_baseband_attenuation(struct b43legacy_wldev *dev); -u16 b43legacy_default_radio_attenuation(struct b43legacy_wldev *dev); -u16 b43legacy_default_txctl1(struct b43legacy_wldev *dev); - -void b43legacy_radio_set_txantenna(struct b43legacy_wldev *dev, u32 val); - -void b43legacy_radio_clear_tssi(struct b43legacy_wldev *dev); - -u8 b43legacy_radio_aci_detect(struct b43legacy_wldev *dev, u8 channel); -u8 b43legacy_radio_aci_scan(struct b43legacy_wldev *dev); - -int b43legacy_radio_set_interference_mitigation(struct b43legacy_wldev *dev, - int mode); - -void b43legacy_calc_nrssi_slope(struct b43legacy_wldev *dev); -void b43legacy_calc_nrssi_threshold(struct b43legacy_wldev *dev); -s16 b43legacy_nrssi_hw_read(struct b43legacy_wldev *dev, u16 offset); -void b43legacy_nrssi_hw_write(struct b43legacy_wldev *dev, u16 offset, s16 val); -void b43legacy_nrssi_hw_update(struct b43legacy_wldev *dev, u16 val); -void b43legacy_nrssi_mem_update(struct b43legacy_wldev *dev); - -u16 b43legacy_radio_calibrationvalue(struct b43legacy_wldev *dev); - -#endif /* B43legacy_RADIO_H_ */ diff --git a/drivers/net/wireless/b43legacy/rfkill.c b/drivers/net/wireless/b43legacy/rfkill.c deleted file mode 100644 index 7c1bdbc02..000000000 --- a/drivers/net/wireless/b43legacy/rfkill.c +++ /dev/null @@ -1,91 +0,0 @@ -/* - - Broadcom B43 wireless driver - RFKILL support - - Copyright (c) 2007 Michael Buesch <m@bues.ch> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include "radio.h" -#include "b43legacy.h" - - -/* Returns TRUE, if the radio is enabled in hardware. */ -bool b43legacy_is_hw_radio_enabled(struct b43legacy_wldev *dev) -{ - if (dev->dev->id.revision >= 3) { - if (!(b43legacy_read32(dev, B43legacy_MMIO_RADIO_HWENABLED_HI) - & B43legacy_MMIO_RADIO_HWENABLED_HI_MASK)) - return true; - } else { - /* To prevent CPU fault on PPC, do not read a register - * unless the interface is started; however, on resume - * for hibernation, this routine is entered early. When - * that happens, unconditionally return TRUE. - */ - if (b43legacy_status(dev) < B43legacy_STAT_STARTED) - return true; - if (b43legacy_read16(dev, B43legacy_MMIO_RADIO_HWENABLED_LO) - & B43legacy_MMIO_RADIO_HWENABLED_LO_MASK) - return true; - } - return false; -} - -/* The poll callback for the hardware button. */ -void b43legacy_rfkill_poll(struct ieee80211_hw *hw) -{ - struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw); - struct b43legacy_wldev *dev = wl->current_dev; - struct ssb_bus *bus = dev->dev->bus; - bool enabled; - bool brought_up = false; - - mutex_lock(&wl->mutex); - if (unlikely(b43legacy_status(dev) < B43legacy_STAT_INITIALIZED)) { - if (ssb_bus_powerup(bus, 0)) { - mutex_unlock(&wl->mutex); - return; - } - ssb_device_enable(dev->dev, 0); - brought_up = true; - } - - enabled = b43legacy_is_hw_radio_enabled(dev); - - if (unlikely(enabled != dev->radio_hw_enable)) { - dev->radio_hw_enable = enabled; - b43legacyinfo(wl, "Radio hardware status changed to %s\n", - enabled ? "ENABLED" : "DISABLED"); - wiphy_rfkill_set_hw_state(hw->wiphy, !enabled); - if (enabled != dev->phy.radio_on) { - if (enabled) - b43legacy_radio_turn_on(dev); - else - b43legacy_radio_turn_off(dev, 0); - } - } - - if (brought_up) { - ssb_device_disable(dev->dev, 0); - ssb_bus_may_powerdown(bus); - } - - mutex_unlock(&wl->mutex); -} diff --git a/drivers/net/wireless/b43legacy/rfkill.h b/drivers/net/wireless/b43legacy/rfkill.h deleted file mode 100644 index 75585571c..000000000 --- a/drivers/net/wireless/b43legacy/rfkill.h +++ /dev/null @@ -1,11 +0,0 @@ -#ifndef B43legacy_RFKILL_H_ -#define B43legacy_RFKILL_H_ - -struct ieee80211_hw; -struct b43legacy_wldev; - -void b43legacy_rfkill_poll(struct ieee80211_hw *hw); - -bool b43legacy_is_hw_radio_enabled(struct b43legacy_wldev *dev); - -#endif /* B43legacy_RFKILL_H_ */ diff --git a/drivers/net/wireless/b43legacy/sysfs.c b/drivers/net/wireless/b43legacy/sysfs.c deleted file mode 100644 index 2a1da15c9..000000000 --- a/drivers/net/wireless/b43legacy/sysfs.c +++ /dev/null @@ -1,238 +0,0 @@ -/* - - Broadcom B43legacy wireless driver - - SYSFS support routines - - Copyright (c) 2006 Michael Buesch <m@bues.ch> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include "sysfs.h" -#include "b43legacy.h" -#include "main.h" -#include "phy.h" -#include "radio.h" - -#include <linux/capability.h> - - -#define GENERIC_FILESIZE 64 - - -static int get_integer(const char *buf, size_t count) -{ - char tmp[10 + 1] = { 0 }; - int ret = -EINVAL; - - if (count == 0) - goto out; - count = min_t(size_t, count, 10); - memcpy(tmp, buf, count); - ret = simple_strtol(tmp, NULL, 10); -out: - return ret; -} - -static int get_boolean(const char *buf, size_t count) -{ - if (count != 0) { - if (buf[0] == '1') - return 1; - if (buf[0] == '0') - return 0; - if (count >= 4 && memcmp(buf, "true", 4) == 0) - return 1; - if (count >= 5 && memcmp(buf, "false", 5) == 0) - return 0; - if (count >= 3 && memcmp(buf, "yes", 3) == 0) - return 1; - if (count >= 2 && memcmp(buf, "no", 2) == 0) - return 0; - if (count >= 2 && memcmp(buf, "on", 2) == 0) - return 1; - if (count >= 3 && memcmp(buf, "off", 3) == 0) - return 0; - } - return -EINVAL; -} - -static ssize_t b43legacy_attr_interfmode_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct b43legacy_wldev *wldev = dev_to_b43legacy_wldev(dev); - ssize_t count = 0; - - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - mutex_lock(&wldev->wl->mutex); - - switch (wldev->phy.interfmode) { - case B43legacy_INTERFMODE_NONE: - count = snprintf(buf, PAGE_SIZE, "0 (No Interference" - " Mitigation)\n"); - break; - case B43legacy_INTERFMODE_NONWLAN: - count = snprintf(buf, PAGE_SIZE, "1 (Non-WLAN Interference" - " Mitigation)\n"); - break; - case B43legacy_INTERFMODE_MANUALWLAN: - count = snprintf(buf, PAGE_SIZE, "2 (WLAN Interference" - " Mitigation)\n"); - break; - default: - B43legacy_WARN_ON(1); - } - - mutex_unlock(&wldev->wl->mutex); - - return count; -} - -static ssize_t b43legacy_attr_interfmode_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct b43legacy_wldev *wldev = dev_to_b43legacy_wldev(dev); - unsigned long flags; - int err; - int mode; - - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - mode = get_integer(buf, count); - switch (mode) { - case 0: - mode = B43legacy_INTERFMODE_NONE; - break; - case 1: - mode = B43legacy_INTERFMODE_NONWLAN; - break; - case 2: - mode = B43legacy_INTERFMODE_MANUALWLAN; - break; - case 3: - mode = B43legacy_INTERFMODE_AUTOWLAN; - break; - default: - return -EINVAL; - } - - mutex_lock(&wldev->wl->mutex); - spin_lock_irqsave(&wldev->wl->irq_lock, flags); - - err = b43legacy_radio_set_interference_mitigation(wldev, mode); - if (err) - b43legacyerr(wldev->wl, "Interference Mitigation not " - "supported by device\n"); - mmiowb(); - spin_unlock_irqrestore(&wldev->wl->irq_lock, flags); - mutex_unlock(&wldev->wl->mutex); - - return err ? err : count; -} - -static DEVICE_ATTR(interference, 0644, - b43legacy_attr_interfmode_show, - b43legacy_attr_interfmode_store); - -static ssize_t b43legacy_attr_preamble_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct b43legacy_wldev *wldev = dev_to_b43legacy_wldev(dev); - ssize_t count; - - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - mutex_lock(&wldev->wl->mutex); - - if (wldev->short_preamble) - count = snprintf(buf, PAGE_SIZE, "1 (Short Preamble" - " enabled)\n"); - else - count = snprintf(buf, PAGE_SIZE, "0 (Short Preamble" - " disabled)\n"); - - mutex_unlock(&wldev->wl->mutex); - - return count; -} - -static ssize_t b43legacy_attr_preamble_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct b43legacy_wldev *wldev = dev_to_b43legacy_wldev(dev); - unsigned long flags; - int value; - - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - value = get_boolean(buf, count); - if (value < 0) - return value; - mutex_lock(&wldev->wl->mutex); - spin_lock_irqsave(&wldev->wl->irq_lock, flags); - - wldev->short_preamble = !!value; - - spin_unlock_irqrestore(&wldev->wl->irq_lock, flags); - mutex_unlock(&wldev->wl->mutex); - - return count; -} - -static DEVICE_ATTR(shortpreamble, 0644, - b43legacy_attr_preamble_show, - b43legacy_attr_preamble_store); - -int b43legacy_sysfs_register(struct b43legacy_wldev *wldev) -{ - struct device *dev = wldev->dev->dev; - int err; - - B43legacy_WARN_ON(b43legacy_status(wldev) != - B43legacy_STAT_INITIALIZED); - - err = device_create_file(dev, &dev_attr_interference); - if (err) - goto out; - err = device_create_file(dev, &dev_attr_shortpreamble); - if (err) - goto err_remove_interfmode; - -out: - return err; -err_remove_interfmode: - device_remove_file(dev, &dev_attr_interference); - goto out; -} - -void b43legacy_sysfs_unregister(struct b43legacy_wldev *wldev) -{ - struct device *dev = wldev->dev->dev; - - device_remove_file(dev, &dev_attr_shortpreamble); - device_remove_file(dev, &dev_attr_interference); -} diff --git a/drivers/net/wireless/b43legacy/sysfs.h b/drivers/net/wireless/b43legacy/sysfs.h deleted file mode 100644 index 417d50980..000000000 --- a/drivers/net/wireless/b43legacy/sysfs.h +++ /dev/null @@ -1,9 +0,0 @@ -#ifndef B43legacy_SYSFS_H_ -#define B43legacy_SYSFS_H_ - -struct b43legacy_wldev; - -int b43legacy_sysfs_register(struct b43legacy_wldev *dev); -void b43legacy_sysfs_unregister(struct b43legacy_wldev *dev); - -#endif /* B43legacy_SYSFS_H_ */ diff --git a/drivers/net/wireless/b43legacy/xmit.c b/drivers/net/wireless/b43legacy/xmit.c deleted file mode 100644 index 34bf3f0b7..000000000 --- a/drivers/net/wireless/b43legacy/xmit.c +++ /dev/null @@ -1,664 +0,0 @@ -/* - - Broadcom B43legacy wireless driver - - Transmission (TX/RX) related functions. - - Copyright (C) 2005 Martin Langer <martin-langer@gmx.de> - Copyright (C) 2005 Stefano Brivio <stefano.brivio@polimi.it> - Copyright (C) 2005, 2006 Michael Buesch <m@bues.ch> - Copyright (C) 2005 Danny van Dyk <kugelfang@gentoo.org> - Copyright (C) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch> - Copyright (C) 2007 Larry Finger <Larry.Finger@lwfinger.net> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include <net/dst.h> - -#include "xmit.h" -#include "phy.h" -#include "dma.h" -#include "pio.h" - - -/* Extract the bitrate out of a CCK PLCP header. */ -static u8 b43legacy_plcp_get_bitrate_idx_cck(struct b43legacy_plcp_hdr6 *plcp) -{ - switch (plcp->raw[0]) { - case 0x0A: - return 0; - case 0x14: - return 1; - case 0x37: - return 2; - case 0x6E: - return 3; - } - B43legacy_BUG_ON(1); - return -1; -} - -/* Extract the bitrate out of an OFDM PLCP header. */ -static u8 b43legacy_plcp_get_bitrate_idx_ofdm(struct b43legacy_plcp_hdr6 *plcp, - bool aphy) -{ - int base = aphy ? 0 : 4; - - switch (plcp->raw[0] & 0xF) { - case 0xB: - return base + 0; - case 0xF: - return base + 1; - case 0xA: - return base + 2; - case 0xE: - return base + 3; - case 0x9: - return base + 4; - case 0xD: - return base + 5; - case 0x8: - return base + 6; - case 0xC: - return base + 7; - } - B43legacy_BUG_ON(1); - return -1; -} - -u8 b43legacy_plcp_get_ratecode_cck(const u8 bitrate) -{ - switch (bitrate) { - case B43legacy_CCK_RATE_1MB: - return 0x0A; - case B43legacy_CCK_RATE_2MB: - return 0x14; - case B43legacy_CCK_RATE_5MB: - return 0x37; - case B43legacy_CCK_RATE_11MB: - return 0x6E; - } - B43legacy_BUG_ON(1); - return 0; -} - -u8 b43legacy_plcp_get_ratecode_ofdm(const u8 bitrate) -{ - switch (bitrate) { - case B43legacy_OFDM_RATE_6MB: - return 0xB; - case B43legacy_OFDM_RATE_9MB: - return 0xF; - case B43legacy_OFDM_RATE_12MB: - return 0xA; - case B43legacy_OFDM_RATE_18MB: - return 0xE; - case B43legacy_OFDM_RATE_24MB: - return 0x9; - case B43legacy_OFDM_RATE_36MB: - return 0xD; - case B43legacy_OFDM_RATE_48MB: - return 0x8; - case B43legacy_OFDM_RATE_54MB: - return 0xC; - } - B43legacy_BUG_ON(1); - return 0; -} - -void b43legacy_generate_plcp_hdr(struct b43legacy_plcp_hdr4 *plcp, - const u16 octets, const u8 bitrate) -{ - __le32 *data = &(plcp->data); - __u8 *raw = plcp->raw; - - if (b43legacy_is_ofdm_rate(bitrate)) { - u16 d; - - d = b43legacy_plcp_get_ratecode_ofdm(bitrate); - B43legacy_WARN_ON(octets & 0xF000); - d |= (octets << 5); - *data = cpu_to_le32(d); - } else { - u32 plen; - - plen = octets * 16 / bitrate; - if ((octets * 16 % bitrate) > 0) { - plen++; - if ((bitrate == B43legacy_CCK_RATE_11MB) - && ((octets * 8 % 11) < 4)) - raw[1] = 0x84; - else - raw[1] = 0x04; - } else - raw[1] = 0x04; - *data |= cpu_to_le32(plen << 16); - raw[0] = b43legacy_plcp_get_ratecode_cck(bitrate); - } -} - -static u8 b43legacy_calc_fallback_rate(u8 bitrate) -{ - switch (bitrate) { - case B43legacy_CCK_RATE_1MB: - return B43legacy_CCK_RATE_1MB; - case B43legacy_CCK_RATE_2MB: - return B43legacy_CCK_RATE_1MB; - case B43legacy_CCK_RATE_5MB: - return B43legacy_CCK_RATE_2MB; - case B43legacy_CCK_RATE_11MB: - return B43legacy_CCK_RATE_5MB; - case B43legacy_OFDM_RATE_6MB: - return B43legacy_CCK_RATE_5MB; - case B43legacy_OFDM_RATE_9MB: - return B43legacy_OFDM_RATE_6MB; - case B43legacy_OFDM_RATE_12MB: - return B43legacy_OFDM_RATE_9MB; - case B43legacy_OFDM_RATE_18MB: - return B43legacy_OFDM_RATE_12MB; - case B43legacy_OFDM_RATE_24MB: - return B43legacy_OFDM_RATE_18MB; - case B43legacy_OFDM_RATE_36MB: - return B43legacy_OFDM_RATE_24MB; - case B43legacy_OFDM_RATE_48MB: - return B43legacy_OFDM_RATE_36MB; - case B43legacy_OFDM_RATE_54MB: - return B43legacy_OFDM_RATE_48MB; - } - B43legacy_BUG_ON(1); - return 0; -} - -static int generate_txhdr_fw3(struct b43legacy_wldev *dev, - struct b43legacy_txhdr_fw3 *txhdr, - const unsigned char *fragment_data, - unsigned int fragment_len, - struct ieee80211_tx_info *info, - u16 cookie) -{ - const struct ieee80211_hdr *wlhdr; - int use_encryption = !!info->control.hw_key; - u8 rate; - struct ieee80211_rate *rate_fb; - int rate_ofdm; - int rate_fb_ofdm; - unsigned int plcp_fragment_len; - u32 mac_ctl = 0; - u16 phy_ctl = 0; - struct ieee80211_rate *tx_rate; - struct ieee80211_tx_rate *rates; - - wlhdr = (const struct ieee80211_hdr *)fragment_data; - - memset(txhdr, 0, sizeof(*txhdr)); - - tx_rate = ieee80211_get_tx_rate(dev->wl->hw, info); - - rate = tx_rate->hw_value; - rate_ofdm = b43legacy_is_ofdm_rate(rate); - rate_fb = ieee80211_get_alt_retry_rate(dev->wl->hw, info, 0) ? : tx_rate; - rate_fb_ofdm = b43legacy_is_ofdm_rate(rate_fb->hw_value); - - txhdr->mac_frame_ctl = wlhdr->frame_control; - memcpy(txhdr->tx_receiver, wlhdr->addr1, ETH_ALEN); - - /* Calculate duration for fallback rate */ - if ((rate_fb->hw_value == rate) || - (wlhdr->duration_id & cpu_to_le16(0x8000)) || - (wlhdr->duration_id == cpu_to_le16(0))) { - /* If the fallback rate equals the normal rate or the - * dur_id field contains an AID, CFP magic or 0, - * use the original dur_id field. */ - txhdr->dur_fb = wlhdr->duration_id; - } else { - txhdr->dur_fb = ieee80211_generic_frame_duration(dev->wl->hw, - info->control.vif, - info->band, - fragment_len, - rate_fb); - } - - plcp_fragment_len = fragment_len + FCS_LEN; - if (use_encryption) { - u8 key_idx = info->control.hw_key->hw_key_idx; - struct b43legacy_key *key; - int wlhdr_len; - size_t iv_len; - - B43legacy_WARN_ON(key_idx >= dev->max_nr_keys); - key = &(dev->key[key_idx]); - - if (key->enabled) { - /* Hardware appends ICV. */ - plcp_fragment_len += info->control.hw_key->icv_len; - - key_idx = b43legacy_kidx_to_fw(dev, key_idx); - mac_ctl |= (key_idx << B43legacy_TX4_MAC_KEYIDX_SHIFT) & - B43legacy_TX4_MAC_KEYIDX; - mac_ctl |= (key->algorithm << - B43legacy_TX4_MAC_KEYALG_SHIFT) & - B43legacy_TX4_MAC_KEYALG; - wlhdr_len = ieee80211_hdrlen(wlhdr->frame_control); - iv_len = min_t(size_t, info->control.hw_key->iv_len, - ARRAY_SIZE(txhdr->iv)); - memcpy(txhdr->iv, ((u8 *)wlhdr) + wlhdr_len, iv_len); - } else { - /* This key is invalid. This might only happen - * in a short timeframe after machine resume before - * we were able to reconfigure keys. - * Drop this packet completely. Do not transmit it - * unencrypted to avoid leaking information. */ - return -ENOKEY; - } - } - b43legacy_generate_plcp_hdr((struct b43legacy_plcp_hdr4 *) - (&txhdr->plcp), plcp_fragment_len, - rate); - b43legacy_generate_plcp_hdr(&txhdr->plcp_fb, plcp_fragment_len, - rate_fb->hw_value); - - /* PHY TX Control word */ - if (rate_ofdm) - phy_ctl |= B43legacy_TX4_PHY_ENC_OFDM; - if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) - phy_ctl |= B43legacy_TX4_PHY_SHORTPRMBL; - phy_ctl |= B43legacy_TX4_PHY_ANTLAST; - - /* MAC control */ - rates = info->control.rates; - if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) - mac_ctl |= B43legacy_TX4_MAC_ACK; - if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) - mac_ctl |= B43legacy_TX4_MAC_HWSEQ; - if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT) - mac_ctl |= B43legacy_TX4_MAC_STMSDU; - if (rate_fb_ofdm) - mac_ctl |= B43legacy_TX4_MAC_FALLBACKOFDM; - - /* Overwrite rates[0].count to make the retry calculation - * in the tx status easier. need the actual retry limit to - * detect whether the fallback rate was used. - */ - if ((rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) || - (rates[0].count <= dev->wl->hw->conf.long_frame_max_tx_count)) { - rates[0].count = dev->wl->hw->conf.long_frame_max_tx_count; - mac_ctl |= B43legacy_TX4_MAC_LONGFRAME; - } else { - rates[0].count = dev->wl->hw->conf.short_frame_max_tx_count; - } - - /* Generate the RTS or CTS-to-self frame */ - if ((rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) || - (rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)) { - unsigned int len; - struct ieee80211_hdr *hdr; - int rts_rate; - int rts_rate_fb; - int rts_rate_fb_ofdm; - - rts_rate = ieee80211_get_rts_cts_rate(dev->wl->hw, info)->hw_value; - rts_rate_fb = b43legacy_calc_fallback_rate(rts_rate); - rts_rate_fb_ofdm = b43legacy_is_ofdm_rate(rts_rate_fb); - if (rts_rate_fb_ofdm) - mac_ctl |= B43legacy_TX4_MAC_CTSFALLBACKOFDM; - - if (rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) { - ieee80211_ctstoself_get(dev->wl->hw, - info->control.vif, - fragment_data, - fragment_len, info, - (struct ieee80211_cts *) - (txhdr->rts_frame)); - mac_ctl |= B43legacy_TX4_MAC_SENDCTS; - len = sizeof(struct ieee80211_cts); - } else { - ieee80211_rts_get(dev->wl->hw, - info->control.vif, - fragment_data, fragment_len, info, - (struct ieee80211_rts *) - (txhdr->rts_frame)); - mac_ctl |= B43legacy_TX4_MAC_SENDRTS; - len = sizeof(struct ieee80211_rts); - } - len += FCS_LEN; - b43legacy_generate_plcp_hdr((struct b43legacy_plcp_hdr4 *) - (&txhdr->rts_plcp), - len, rts_rate); - b43legacy_generate_plcp_hdr(&txhdr->rts_plcp_fb, - len, rts_rate_fb); - hdr = (struct ieee80211_hdr *)(&txhdr->rts_frame); - txhdr->rts_dur_fb = hdr->duration_id; - } - - /* Magic cookie */ - txhdr->cookie = cpu_to_le16(cookie); - - /* Apply the bitfields */ - txhdr->mac_ctl = cpu_to_le32(mac_ctl); - txhdr->phy_ctl = cpu_to_le16(phy_ctl); - - return 0; -} - -int b43legacy_generate_txhdr(struct b43legacy_wldev *dev, - u8 *txhdr, - const unsigned char *fragment_data, - unsigned int fragment_len, - struct ieee80211_tx_info *info, - u16 cookie) -{ - return generate_txhdr_fw3(dev, (struct b43legacy_txhdr_fw3 *)txhdr, - fragment_data, fragment_len, - info, cookie); -} - -static s8 b43legacy_rssi_postprocess(struct b43legacy_wldev *dev, - u8 in_rssi, int ofdm, - int adjust_2053, int adjust_2050) -{ - struct b43legacy_phy *phy = &dev->phy; - s32 tmp; - - switch (phy->radio_ver) { - case 0x2050: - if (ofdm) { - tmp = in_rssi; - if (tmp > 127) - tmp -= 256; - tmp *= 73; - tmp /= 64; - if (adjust_2050) - tmp += 25; - else - tmp -= 3; - } else { - if (dev->dev->bus->sprom.boardflags_lo - & B43legacy_BFL_RSSI) { - if (in_rssi > 63) - in_rssi = 63; - tmp = phy->nrssi_lt[in_rssi]; - tmp = 31 - tmp; - tmp *= -131; - tmp /= 128; - tmp -= 57; - } else { - tmp = in_rssi; - tmp = 31 - tmp; - tmp *= -149; - tmp /= 128; - tmp -= 68; - } - if (phy->type == B43legacy_PHYTYPE_G && - adjust_2050) - tmp += 25; - } - break; - case 0x2060: - if (in_rssi > 127) - tmp = in_rssi - 256; - else - tmp = in_rssi; - break; - default: - tmp = in_rssi; - tmp -= 11; - tmp *= 103; - tmp /= 64; - if (adjust_2053) - tmp -= 109; - else - tmp -= 83; - } - - return (s8)tmp; -} - -void b43legacy_rx(struct b43legacy_wldev *dev, - struct sk_buff *skb, - const void *_rxhdr) -{ - struct ieee80211_rx_status status; - struct b43legacy_plcp_hdr6 *plcp; - struct ieee80211_hdr *wlhdr; - const struct b43legacy_rxhdr_fw3 *rxhdr = _rxhdr; - __le16 fctl; - u16 phystat0; - u16 phystat3; - u16 chanstat; - u16 mactime; - u32 macstat; - u16 chanid; - u8 jssi; - int padding; - - memset(&status, 0, sizeof(status)); - - /* Get metadata about the frame from the header. */ - phystat0 = le16_to_cpu(rxhdr->phy_status0); - phystat3 = le16_to_cpu(rxhdr->phy_status3); - jssi = rxhdr->jssi; - macstat = le16_to_cpu(rxhdr->mac_status); - mactime = le16_to_cpu(rxhdr->mac_time); - chanstat = le16_to_cpu(rxhdr->channel); - - if (macstat & B43legacy_RX_MAC_FCSERR) - dev->wl->ieee_stats.dot11FCSErrorCount++; - - /* Skip PLCP and padding */ - padding = (macstat & B43legacy_RX_MAC_PADDING) ? 2 : 0; - if (unlikely(skb->len < (sizeof(struct b43legacy_plcp_hdr6) + - padding))) { - b43legacydbg(dev->wl, "RX: Packet size underrun (1)\n"); - goto drop; - } - plcp = (struct b43legacy_plcp_hdr6 *)(skb->data + padding); - skb_pull(skb, sizeof(struct b43legacy_plcp_hdr6) + padding); - /* The skb contains the Wireless Header + payload data now */ - if (unlikely(skb->len < (2+2+6/*minimum hdr*/ + FCS_LEN))) { - b43legacydbg(dev->wl, "RX: Packet size underrun (2)\n"); - goto drop; - } - wlhdr = (struct ieee80211_hdr *)(skb->data); - fctl = wlhdr->frame_control; - - if ((macstat & B43legacy_RX_MAC_DEC) && - !(macstat & B43legacy_RX_MAC_DECERR)) { - unsigned int keyidx; - int wlhdr_len; - int iv_len; - int icv_len; - - keyidx = ((macstat & B43legacy_RX_MAC_KEYIDX) - >> B43legacy_RX_MAC_KEYIDX_SHIFT); - /* We must adjust the key index here. We want the "physical" - * key index, but the ucode passed it slightly different. - */ - keyidx = b43legacy_kidx_to_raw(dev, keyidx); - B43legacy_WARN_ON(keyidx >= dev->max_nr_keys); - - if (dev->key[keyidx].algorithm != B43legacy_SEC_ALGO_NONE) { - /* Remove PROTECTED flag to mark it as decrypted. */ - B43legacy_WARN_ON(!ieee80211_has_protected(fctl)); - fctl &= ~cpu_to_le16(IEEE80211_FCTL_PROTECTED); - wlhdr->frame_control = fctl; - - wlhdr_len = ieee80211_hdrlen(fctl); - if (unlikely(skb->len < (wlhdr_len + 3))) { - b43legacydbg(dev->wl, "RX: Packet size" - " underrun3\n"); - goto drop; - } - if (skb->data[wlhdr_len + 3] & (1 << 5)) { - /* The Ext-IV Bit is set in the "KeyID" - * octet of the IV. - */ - iv_len = 8; - icv_len = 8; - } else { - iv_len = 4; - icv_len = 4; - } - if (unlikely(skb->len < (wlhdr_len + iv_len + - icv_len))) { - b43legacydbg(dev->wl, "RX: Packet size" - " underrun4\n"); - goto drop; - } - /* Remove the IV */ - memmove(skb->data + iv_len, skb->data, wlhdr_len); - skb_pull(skb, iv_len); - /* Remove the ICV */ - skb_trim(skb, skb->len - icv_len); - - status.flag |= RX_FLAG_DECRYPTED; - } - } - - status.signal = b43legacy_rssi_postprocess(dev, jssi, - (phystat0 & B43legacy_RX_PHYST0_OFDM), - (phystat0 & B43legacy_RX_PHYST0_GAINCTL), - (phystat3 & B43legacy_RX_PHYST3_TRSTATE)); - /* change to support A PHY */ - if (phystat0 & B43legacy_RX_PHYST0_OFDM) - status.rate_idx = b43legacy_plcp_get_bitrate_idx_ofdm(plcp, false); - else - status.rate_idx = b43legacy_plcp_get_bitrate_idx_cck(plcp); - status.antenna = !!(phystat0 & B43legacy_RX_PHYST0_ANT); - - /* - * All frames on monitor interfaces and beacons always need a full - * 64-bit timestamp. Monitor interfaces need it for diagnostic - * purposes and beacons for IBSS merging. - * This code assumes we get to process the packet within 16 bits - * of timestamp, i.e. about 65 milliseconds after the PHY received - * the first symbol. - */ - if (ieee80211_is_beacon(fctl) || dev->wl->radiotap_enabled) { - u16 low_mactime_now; - - b43legacy_tsf_read(dev, &status.mactime); - low_mactime_now = status.mactime; - status.mactime = status.mactime & ~0xFFFFULL; - status.mactime += mactime; - if (low_mactime_now <= mactime) - status.mactime -= 0x10000; - status.flag |= RX_FLAG_MACTIME_START; - } - - chanid = (chanstat & B43legacy_RX_CHAN_ID) >> - B43legacy_RX_CHAN_ID_SHIFT; - switch (chanstat & B43legacy_RX_CHAN_PHYTYPE) { - case B43legacy_PHYTYPE_B: - case B43legacy_PHYTYPE_G: - status.band = IEEE80211_BAND_2GHZ; - status.freq = chanid + 2400; - break; - default: - b43legacywarn(dev->wl, "Unexpected value for chanstat (0x%X)\n", - chanstat); - } - - memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); - ieee80211_rx_irqsafe(dev->wl->hw, skb); - - return; -drop: - b43legacydbg(dev->wl, "RX: Packet dropped\n"); - dev_kfree_skb_any(skb); -} - -void b43legacy_handle_txstatus(struct b43legacy_wldev *dev, - const struct b43legacy_txstatus *status) -{ - b43legacy_debugfs_log_txstat(dev, status); - - if (status->intermediate) - return; - if (status->for_ampdu) - return; - if (!status->acked) - dev->wl->ieee_stats.dot11ACKFailureCount++; - if (status->rts_count) { - if (status->rts_count == 0xF) /* FIXME */ - dev->wl->ieee_stats.dot11RTSFailureCount++; - else - dev->wl->ieee_stats.dot11RTSSuccessCount++; - } - - if (b43legacy_using_pio(dev)) - b43legacy_pio_handle_txstatus(dev, status); - else - b43legacy_dma_handle_txstatus(dev, status); -} - -/* Handle TX status report as received through DMA/PIO queues */ -void b43legacy_handle_hwtxstatus(struct b43legacy_wldev *dev, - const struct b43legacy_hwtxstatus *hw) -{ - struct b43legacy_txstatus status; - u8 tmp; - - status.cookie = le16_to_cpu(hw->cookie); - status.seq = le16_to_cpu(hw->seq); - status.phy_stat = hw->phy_stat; - tmp = hw->count; - status.frame_count = (tmp >> 4); - status.rts_count = (tmp & 0x0F); - tmp = hw->flags << 1; - status.supp_reason = ((tmp & 0x1C) >> 2); - status.pm_indicated = !!(tmp & 0x80); - status.intermediate = !!(tmp & 0x40); - status.for_ampdu = !!(tmp & 0x20); - status.acked = !!(tmp & 0x02); - - b43legacy_handle_txstatus(dev, &status); -} - -/* Stop any TX operation on the device (suspend the hardware queues) */ -void b43legacy_tx_suspend(struct b43legacy_wldev *dev) -{ - if (b43legacy_using_pio(dev)) - b43legacy_pio_freeze_txqueues(dev); - else - b43legacy_dma_tx_suspend(dev); -} - -/* Resume any TX operation on the device (resume the hardware queues) */ -void b43legacy_tx_resume(struct b43legacy_wldev *dev) -{ - if (b43legacy_using_pio(dev)) - b43legacy_pio_thaw_txqueues(dev); - else - b43legacy_dma_tx_resume(dev); -} - -/* Initialize the QoS parameters */ -void b43legacy_qos_init(struct b43legacy_wldev *dev) -{ - /* FIXME: This function must probably be called from the mac80211 - * config callback. */ -return; - - b43legacy_hf_write(dev, b43legacy_hf_read(dev) | B43legacy_HF_EDCF); - /* FIXME kill magic */ - b43legacy_write16(dev, 0x688, - b43legacy_read16(dev, 0x688) | 0x4); - - - /*TODO: We might need some stack support here to get the values. */ -} diff --git a/drivers/net/wireless/b43legacy/xmit.h b/drivers/net/wireless/b43legacy/xmit.h deleted file mode 100644 index 289db00a4..000000000 --- a/drivers/net/wireless/b43legacy/xmit.h +++ /dev/null @@ -1,261 +0,0 @@ -#ifndef B43legacy_XMIT_H_ -#define B43legacy_XMIT_H_ - -#include "main.h" - - -#define _b43legacy_declare_plcp_hdr(size) \ - struct b43legacy_plcp_hdr##size { \ - union { \ - __le32 data; \ - __u8 raw[size]; \ - } __packed; \ - } __packed - -/* struct b43legacy_plcp_hdr4 */ -_b43legacy_declare_plcp_hdr(4); -/* struct b43legacy_plcp_hdr6 */ -_b43legacy_declare_plcp_hdr(6); - -#undef _b43legacy_declare_plcp_hdr - - -/* TX header for v3 firmware */ -struct b43legacy_txhdr_fw3 { - __le32 mac_ctl; /* MAC TX control */ - __le16 mac_frame_ctl; /* Copy of the FrameControl */ - __le16 tx_fes_time_norm; /* TX FES Time Normal */ - __le16 phy_ctl; /* PHY TX control */ - __u8 iv[16]; /* Encryption IV */ - __u8 tx_receiver[6]; /* TX Frame Receiver address */ - __le16 tx_fes_time_fb; /* TX FES Time Fallback */ - struct b43legacy_plcp_hdr4 rts_plcp_fb; /* RTS fallback PLCP */ - __le16 rts_dur_fb; /* RTS fallback duration */ - struct b43legacy_plcp_hdr4 plcp_fb; /* Fallback PLCP */ - __le16 dur_fb; /* Fallback duration */ - PAD_BYTES(2); - __le16 cookie; - __le16 unknown_scb_stuff; - struct b43legacy_plcp_hdr6 rts_plcp; /* RTS PLCP */ - __u8 rts_frame[18]; /* The RTS frame (if used) */ - struct b43legacy_plcp_hdr6 plcp; -} __packed; - -/* MAC TX control */ -#define B43legacy_TX4_MAC_KEYIDX 0x0FF00000 /* Security key index */ -#define B43legacy_TX4_MAC_KEYIDX_SHIFT 20 -#define B43legacy_TX4_MAC_KEYALG 0x00070000 /* Security key algorithm */ -#define B43legacy_TX4_MAC_KEYALG_SHIFT 16 -#define B43legacy_TX4_MAC_LIFETIME 0x00001000 -#define B43legacy_TX4_MAC_FRAMEBURST 0x00000800 -#define B43legacy_TX4_MAC_SENDCTS 0x00000400 -#define B43legacy_TX4_MAC_AMPDU 0x00000300 -#define B43legacy_TX4_MAC_AMPDU_SHIFT 8 -#define B43legacy_TX4_MAC_CTSFALLBACKOFDM 0x00000200 -#define B43legacy_TX4_MAC_FALLBACKOFDM 0x00000100 -#define B43legacy_TX4_MAC_5GHZ 0x00000080 -#define B43legacy_TX4_MAC_IGNPMQ 0x00000020 -#define B43legacy_TX4_MAC_HWSEQ 0x00000010 /* Use Hardware Seq No */ -#define B43legacy_TX4_MAC_STMSDU 0x00000008 /* Start MSDU */ -#define B43legacy_TX4_MAC_SENDRTS 0x00000004 -#define B43legacy_TX4_MAC_LONGFRAME 0x00000002 -#define B43legacy_TX4_MAC_ACK 0x00000001 - -/* Extra Frame Types */ -#define B43legacy_TX4_EFT_FBOFDM 0x0001 /* Data frame fb rate type */ -#define B43legacy_TX4_EFT_RTSOFDM 0x0004 /* RTS/CTS rate type */ -#define B43legacy_TX4_EFT_RTSFBOFDM 0x0010 /* RTS/CTS fallback rate type */ - -/* PHY TX control word */ -#define B43legacy_TX4_PHY_ENC 0x0003 /* Data frame encoding */ -#define B43legacy_TX4_PHY_ENC_CCK 0x0000 /* CCK */ -#define B43legacy_TX4_PHY_ENC_OFDM 0x0001 /* Data frame rate type */ -#define B43legacy_TX4_PHY_SHORTPRMBL 0x0010 /* Use short preamble */ -#define B43legacy_TX4_PHY_ANT 0x03C0 /* Antenna selection */ -#define B43legacy_TX4_PHY_ANT0 0x0000 /* Use antenna 0 */ -#define B43legacy_TX4_PHY_ANT1 0x0100 /* Use antenna 1 */ -#define B43legacy_TX4_PHY_ANTLAST 0x0300 /* Use last used antenna */ - - - -int b43legacy_generate_txhdr(struct b43legacy_wldev *dev, - u8 *txhdr, - const unsigned char *fragment_data, - unsigned int fragment_len, - struct ieee80211_tx_info *info, - u16 cookie); - - -/* Transmit Status */ -struct b43legacy_txstatus { - u16 cookie; /* The cookie from the txhdr */ - u16 seq; /* Sequence number */ - u8 phy_stat; /* PHY TX status */ - u8 frame_count; /* Frame transmit count */ - u8 rts_count; /* RTS transmit count */ - u8 supp_reason; /* Suppression reason */ - /* flags */ - u8 pm_indicated;/* PM mode indicated to AP */ - u8 intermediate;/* Intermediate status notification */ - u8 for_ampdu; /* Status is for an AMPDU (afterburner) */ - u8 acked; /* Wireless ACK received */ -}; - -/* txstatus supp_reason values */ -enum { - B43legacy_TXST_SUPP_NONE, /* Not suppressed */ - B43legacy_TXST_SUPP_PMQ, /* Suppressed due to PMQ entry */ - B43legacy_TXST_SUPP_FLUSH, /* Suppressed due to flush request */ - B43legacy_TXST_SUPP_PREV, /* Previous fragment failed */ - B43legacy_TXST_SUPP_CHAN, /* Channel mismatch */ - B43legacy_TXST_SUPP_LIFE, /* Lifetime expired */ - B43legacy_TXST_SUPP_UNDER, /* Buffer underflow */ - B43legacy_TXST_SUPP_ABNACK, /* Afterburner NACK */ -}; - -/* Transmit Status as received through DMA/PIO on old chips */ -struct b43legacy_hwtxstatus { - PAD_BYTES(4); - __le16 cookie; - u8 flags; - u8 count; - PAD_BYTES(2); - __le16 seq; - u8 phy_stat; - PAD_BYTES(1); -} __packed; - - -/* Receive header for v3 firmware. */ -struct b43legacy_rxhdr_fw3 { - __le16 frame_len; /* Frame length */ - PAD_BYTES(2); - __le16 phy_status0; /* PHY RX Status 0 */ - __u8 jssi; /* PHY RX Status 1: JSSI */ - __u8 sig_qual; /* PHY RX Status 1: Signal Quality */ - PAD_BYTES(2); /* PHY RX Status 2 */ - __le16 phy_status3; /* PHY RX Status 3 */ - __le16 mac_status; /* MAC RX status */ - __le16 mac_time; - __le16 channel; -} __packed; - - -/* PHY RX Status 0 */ -#define B43legacy_RX_PHYST0_GAINCTL 0x4000 /* Gain Control */ -#define B43legacy_RX_PHYST0_PLCPHCF 0x0200 -#define B43legacy_RX_PHYST0_PLCPFV 0x0100 -#define B43legacy_RX_PHYST0_SHORTPRMBL 0x0080 /* Recvd with Short Preamble */ -#define B43legacy_RX_PHYST0_LCRS 0x0040 -#define B43legacy_RX_PHYST0_ANT 0x0020 /* Antenna */ -#define B43legacy_RX_PHYST0_UNSRATE 0x0010 -#define B43legacy_RX_PHYST0_CLIP 0x000C -#define B43legacy_RX_PHYST0_CLIP_SHIFT 2 -#define B43legacy_RX_PHYST0_FTYPE 0x0003 /* Frame type */ -#define B43legacy_RX_PHYST0_CCK 0x0000 /* Frame type: CCK */ -#define B43legacy_RX_PHYST0_OFDM 0x0001 /* Frame type: OFDM */ -#define B43legacy_RX_PHYST0_PRE_N 0x0002 /* Pre-standard N-PHY frame */ -#define B43legacy_RX_PHYST0_STD_N 0x0003 /* Standard N-PHY frame */ - -/* PHY RX Status 2 */ -#define B43legacy_RX_PHYST2_LNAG 0xC000 /* LNA Gain */ -#define B43legacy_RX_PHYST2_LNAG_SHIFT 14 -#define B43legacy_RX_PHYST2_PNAG 0x3C00 /* PNA Gain */ -#define B43legacy_RX_PHYST2_PNAG_SHIFT 10 -#define B43legacy_RX_PHYST2_FOFF 0x03FF /* F offset */ - -/* PHY RX Status 3 */ -#define B43legacy_RX_PHYST3_DIGG 0x1800 /* DIG Gain */ -#define B43legacy_RX_PHYST3_DIGG_SHIFT 11 -#define B43legacy_RX_PHYST3_TRSTATE 0x0400 /* TR state */ - -/* MAC RX Status */ -#define B43legacy_RX_MAC_BEACONSENT 0x00008000 /* Beacon send flag */ -#define B43legacy_RX_MAC_KEYIDX 0x000007E0 /* Key index */ -#define B43legacy_RX_MAC_KEYIDX_SHIFT 5 -#define B43legacy_RX_MAC_DECERR 0x00000010 /* Decrypt error */ -#define B43legacy_RX_MAC_DEC 0x00000008 /* Decryption attempted */ -#define B43legacy_RX_MAC_PADDING 0x00000004 /* Pad bytes present */ -#define B43legacy_RX_MAC_RESP 0x00000002 /* Response frame xmitted */ -#define B43legacy_RX_MAC_FCSERR 0x00000001 /* FCS error */ - -/* RX channel */ -#define B43legacy_RX_CHAN_GAIN 0xFC00 /* Gain */ -#define B43legacy_RX_CHAN_GAIN_SHIFT 10 -#define B43legacy_RX_CHAN_ID 0x03FC /* Channel ID */ -#define B43legacy_RX_CHAN_ID_SHIFT 2 -#define B43legacy_RX_CHAN_PHYTYPE 0x0003 /* PHY type */ - - - -u8 b43legacy_plcp_get_ratecode_cck(const u8 bitrate); -u8 b43legacy_plcp_get_ratecode_ofdm(const u8 bitrate); - -void b43legacy_generate_plcp_hdr(struct b43legacy_plcp_hdr4 *plcp, - const u16 octets, const u8 bitrate); - -void b43legacy_rx(struct b43legacy_wldev *dev, - struct sk_buff *skb, - const void *_rxhdr); - -void b43legacy_handle_txstatus(struct b43legacy_wldev *dev, - const struct b43legacy_txstatus *status); - -void b43legacy_handle_hwtxstatus(struct b43legacy_wldev *dev, - const struct b43legacy_hwtxstatus *hw); - -void b43legacy_tx_suspend(struct b43legacy_wldev *dev); -void b43legacy_tx_resume(struct b43legacy_wldev *dev); - - -#define B43legacy_NR_QOSPARMS 22 -enum { - B43legacy_QOSPARM_TXOP = 0, - B43legacy_QOSPARM_CWMIN, - B43legacy_QOSPARM_CWMAX, - B43legacy_QOSPARM_CWCUR, - B43legacy_QOSPARM_AIFS, - B43legacy_QOSPARM_BSLOTS, - B43legacy_QOSPARM_REGGAP, - B43legacy_QOSPARM_STATUS, -}; - -void b43legacy_qos_init(struct b43legacy_wldev *dev); - - -/* Helper functions for converting the key-table index from "firmware-format" - * to "raw-format" and back. The firmware API changed for this at some revision. - * We need to account for that here. */ -static inline -int b43legacy_new_kidx_api(struct b43legacy_wldev *dev) -{ - /* FIXME: Not sure the change was at rev 351 */ - return (dev->fw.rev >= 351); -} -static inline -u8 b43legacy_kidx_to_fw(struct b43legacy_wldev *dev, u8 raw_kidx) -{ - u8 firmware_kidx; - if (b43legacy_new_kidx_api(dev)) - firmware_kidx = raw_kidx; - else { - if (raw_kidx >= 4) /* Is per STA key? */ - firmware_kidx = raw_kidx - 4; - else - firmware_kidx = raw_kidx; /* TX default key */ - } - return firmware_kidx; -} -static inline -u8 b43legacy_kidx_to_raw(struct b43legacy_wldev *dev, u8 firmware_kidx) -{ - u8 raw_kidx; - if (b43legacy_new_kidx_api(dev)) - raw_kidx = firmware_kidx; - else - /* RX default keys or per STA keys */ - raw_kidx = firmware_kidx + 4; - return raw_kidx; -} - -#endif /* B43legacy_XMIT_H_ */ |