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-rw-r--r--include/linux/ssb/ssb.h681
1 files changed, 681 insertions, 0 deletions
diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h
new file mode 100644
index 000000000..4568a5cc9
--- /dev/null
+++ b/include/linux/ssb/ssb.h
@@ -0,0 +1,681 @@
+#ifndef LINUX_SSB_H_
+#define LINUX_SSB_H_
+
+#include <linux/device.h>
+#include <linux/list.h>
+#include <linux/types.h>
+#include <linux/spinlock.h>
+#include <linux/pci.h>
+#include <linux/gpio.h>
+#include <linux/mod_devicetable.h>
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
+
+#include <linux/ssb/ssb_regs.h>
+
+
+struct pcmcia_device;
+struct ssb_bus;
+struct ssb_driver;
+
+struct ssb_sprom_core_pwr_info {
+ u8 itssi_2g, itssi_5g;
+ u8 maxpwr_2g, maxpwr_5gl, maxpwr_5g, maxpwr_5gh;
+ u16 pa_2g[4], pa_5gl[4], pa_5g[4], pa_5gh[4];
+};
+
+struct ssb_sprom {
+ u8 revision;
+ u8 il0mac[6] __aligned(sizeof(u16)); /* MAC address for 802.11b/g */
+ u8 et0mac[6] __aligned(sizeof(u16)); /* MAC address for Ethernet */
+ u8 et1mac[6] __aligned(sizeof(u16)); /* MAC address for 802.11a */
+ u8 et0phyaddr; /* MII address for enet0 */
+ u8 et1phyaddr; /* MII address for enet1 */
+ u8 et0mdcport; /* MDIO for enet0 */
+ u8 et1mdcport; /* MDIO for enet1 */
+ u16 dev_id; /* Device ID overriding e.g. PCI ID */
+ u16 board_rev; /* Board revision number from SPROM. */
+ u16 board_num; /* Board number from SPROM. */
+ u16 board_type; /* Board type from SPROM. */
+ u8 country_code; /* Country Code */
+ char alpha2[2]; /* Country Code as two chars like EU or US */
+ u8 leddc_on_time; /* LED Powersave Duty Cycle On Count */
+ u8 leddc_off_time; /* LED Powersave Duty Cycle Off Count */
+ u8 ant_available_a; /* 2GHz antenna available bits (up to 4) */
+ u8 ant_available_bg; /* 5GHz antenna available bits (up to 4) */
+ u16 pa0b0;
+ u16 pa0b1;
+ u16 pa0b2;
+ u16 pa1b0;
+ u16 pa1b1;
+ u16 pa1b2;
+ u16 pa1lob0;
+ u16 pa1lob1;
+ u16 pa1lob2;
+ u16 pa1hib0;
+ u16 pa1hib1;
+ u16 pa1hib2;
+ u8 gpio0; /* GPIO pin 0 */
+ u8 gpio1; /* GPIO pin 1 */
+ u8 gpio2; /* GPIO pin 2 */
+ u8 gpio3; /* GPIO pin 3 */
+ u8 maxpwr_bg; /* 2.4GHz Amplifier Max Power (in dBm Q5.2) */
+ u8 maxpwr_al; /* 5.2GHz Amplifier Max Power (in dBm Q5.2) */
+ u8 maxpwr_a; /* 5.3GHz Amplifier Max Power (in dBm Q5.2) */
+ u8 maxpwr_ah; /* 5.8GHz Amplifier Max Power (in dBm Q5.2) */
+ u8 itssi_a; /* Idle TSSI Target for A-PHY */
+ u8 itssi_bg; /* Idle TSSI Target for B/G-PHY */
+ u8 tri2g; /* 2.4GHz TX isolation */
+ u8 tri5gl; /* 5.2GHz TX isolation */
+ u8 tri5g; /* 5.3GHz TX isolation */
+ u8 tri5gh; /* 5.8GHz TX isolation */
+ u8 txpid2g[4]; /* 2GHz TX power index */
+ u8 txpid5gl[4]; /* 4.9 - 5.1GHz TX power index */
+ u8 txpid5g[4]; /* 5.1 - 5.5GHz TX power index */
+ u8 txpid5gh[4]; /* 5.5 - ...GHz TX power index */
+ s8 rxpo2g; /* 2GHz RX power offset */
+ s8 rxpo5g; /* 5GHz RX power offset */
+ u8 rssisav2g; /* 2GHz RSSI params */
+ u8 rssismc2g;
+ u8 rssismf2g;
+ u8 bxa2g; /* 2GHz BX arch */
+ u8 rssisav5g; /* 5GHz RSSI params */
+ u8 rssismc5g;
+ u8 rssismf5g;
+ u8 bxa5g; /* 5GHz BX arch */
+ u16 cck2gpo; /* CCK power offset */
+ u32 ofdm2gpo; /* 2.4GHz OFDM power offset */
+ u32 ofdm5glpo; /* 5.2GHz OFDM power offset */
+ u32 ofdm5gpo; /* 5.3GHz OFDM power offset */
+ u32 ofdm5ghpo; /* 5.8GHz OFDM power offset */
+ u16 boardflags_lo; /* Board flags (bits 0-15) */
+ u16 boardflags_hi; /* Board flags (bits 16-31) */
+ u16 boardflags2_lo; /* Board flags (bits 32-47) */
+ u16 boardflags2_hi; /* Board flags (bits 48-63) */
+ /* TODO store board flags in a single u64 */
+
+ struct ssb_sprom_core_pwr_info core_pwr_info[4];
+
+ /* Antenna gain values for up to 4 antennas
+ * on each band. Values in dBm/4 (Q5.2). Negative gain means the
+ * loss in the connectors is bigger than the gain. */
+ struct {
+ s8 a0, a1, a2, a3;
+ } antenna_gain;
+
+ struct {
+ struct {
+ u8 tssipos, extpa_gain, pdet_range, tr_iso, antswlut;
+ } ghz2;
+ struct {
+ u8 tssipos, extpa_gain, pdet_range, tr_iso, antswlut;
+ } ghz5;
+ } fem;
+
+ u16 mcs2gpo[8];
+ u16 mcs5gpo[8];
+ u16 mcs5glpo[8];
+ u16 mcs5ghpo[8];
+ u8 opo;
+
+ u8 rxgainerr2ga[3];
+ u8 rxgainerr5gla[3];
+ u8 rxgainerr5gma[3];
+ u8 rxgainerr5gha[3];
+ u8 rxgainerr5gua[3];
+
+ u8 noiselvl2ga[3];
+ u8 noiselvl5gla[3];
+ u8 noiselvl5gma[3];
+ u8 noiselvl5gha[3];
+ u8 noiselvl5gua[3];
+
+ u8 regrev;
+ u8 txchain;
+ u8 rxchain;
+ u8 antswitch;
+ u16 cddpo;
+ u16 stbcpo;
+ u16 bw40po;
+ u16 bwduppo;
+
+ u8 tempthresh;
+ u8 tempoffset;
+ u16 rawtempsense;
+ u8 measpower;
+ u8 tempsense_slope;
+ u8 tempcorrx;
+ u8 tempsense_option;
+ u8 freqoffset_corr;
+ u8 iqcal_swp_dis;
+ u8 hw_iqcal_en;
+ u8 elna2g;
+ u8 elna5g;
+ u8 phycal_tempdelta;
+ u8 temps_period;
+ u8 temps_hysteresis;
+ u8 measpower1;
+ u8 measpower2;
+ u8 pcieingress_war;
+
+ /* power per rate from sromrev 9 */
+ u16 cckbw202gpo;
+ u16 cckbw20ul2gpo;
+ u32 legofdmbw202gpo;
+ u32 legofdmbw20ul2gpo;
+ u32 legofdmbw205glpo;
+ u32 legofdmbw20ul5glpo;
+ u32 legofdmbw205gmpo;
+ u32 legofdmbw20ul5gmpo;
+ u32 legofdmbw205ghpo;
+ u32 legofdmbw20ul5ghpo;
+ u32 mcsbw202gpo;
+ u32 mcsbw20ul2gpo;
+ u32 mcsbw402gpo;
+ u32 mcsbw205glpo;
+ u32 mcsbw20ul5glpo;
+ u32 mcsbw405glpo;
+ u32 mcsbw205gmpo;
+ u32 mcsbw20ul5gmpo;
+ u32 mcsbw405gmpo;
+ u32 mcsbw205ghpo;
+ u32 mcsbw20ul5ghpo;
+ u32 mcsbw405ghpo;
+ u16 mcs32po;
+ u16 legofdm40duppo;
+ u8 sar2g;
+ u8 sar5g;
+};
+
+/* Information about the PCB the circuitry is soldered on. */
+struct ssb_boardinfo {
+ u16 vendor;
+ u16 type;
+};
+
+
+struct ssb_device;
+/* Lowlevel read/write operations on the device MMIO.
+ * Internal, don't use that outside of ssb. */
+struct ssb_bus_ops {
+ u8 (*read8)(struct ssb_device *dev, u16 offset);
+ u16 (*read16)(struct ssb_device *dev, u16 offset);
+ u32 (*read32)(struct ssb_device *dev, u16 offset);
+ void (*write8)(struct ssb_device *dev, u16 offset, u8 value);
+ void (*write16)(struct ssb_device *dev, u16 offset, u16 value);
+ void (*write32)(struct ssb_device *dev, u16 offset, u32 value);
+#ifdef CONFIG_SSB_BLOCKIO
+ void (*block_read)(struct ssb_device *dev, void *buffer,
+ size_t count, u16 offset, u8 reg_width);
+ void (*block_write)(struct ssb_device *dev, const void *buffer,
+ size_t count, u16 offset, u8 reg_width);
+#endif
+};
+
+
+/* Core-ID values. */
+#define SSB_DEV_CHIPCOMMON 0x800
+#define SSB_DEV_ILINE20 0x801
+#define SSB_DEV_SDRAM 0x803
+#define SSB_DEV_PCI 0x804
+#define SSB_DEV_MIPS 0x805
+#define SSB_DEV_ETHERNET 0x806
+#define SSB_DEV_V90 0x807
+#define SSB_DEV_USB11_HOSTDEV 0x808
+#define SSB_DEV_ADSL 0x809
+#define SSB_DEV_ILINE100 0x80A
+#define SSB_DEV_IPSEC 0x80B
+#define SSB_DEV_PCMCIA 0x80D
+#define SSB_DEV_INTERNAL_MEM 0x80E
+#define SSB_DEV_MEMC_SDRAM 0x80F
+#define SSB_DEV_EXTIF 0x811
+#define SSB_DEV_80211 0x812
+#define SSB_DEV_MIPS_3302 0x816
+#define SSB_DEV_USB11_HOST 0x817
+#define SSB_DEV_USB11_DEV 0x818
+#define SSB_DEV_USB20_HOST 0x819
+#define SSB_DEV_USB20_DEV 0x81A
+#define SSB_DEV_SDIO_HOST 0x81B
+#define SSB_DEV_ROBOSWITCH 0x81C
+#define SSB_DEV_PARA_ATA 0x81D
+#define SSB_DEV_SATA_XORDMA 0x81E
+#define SSB_DEV_ETHERNET_GBIT 0x81F
+#define SSB_DEV_PCIE 0x820
+#define SSB_DEV_MIMO_PHY 0x821
+#define SSB_DEV_SRAM_CTRLR 0x822
+#define SSB_DEV_MINI_MACPHY 0x823
+#define SSB_DEV_ARM_1176 0x824
+#define SSB_DEV_ARM_7TDMI 0x825
+#define SSB_DEV_ARM_CM3 0x82A
+
+/* Vendor-ID values */
+#define SSB_VENDOR_BROADCOM 0x4243
+
+/* Some kernel subsystems poke with dev->drvdata, so we must use the
+ * following ugly workaround to get from struct device to struct ssb_device */
+struct __ssb_dev_wrapper {
+ struct device dev;
+ struct ssb_device *sdev;
+};
+
+struct ssb_device {
+ /* Having a copy of the ops pointer in each dev struct
+ * is an optimization. */
+ const struct ssb_bus_ops *ops;
+
+ struct device *dev, *dma_dev;
+
+ struct ssb_bus *bus;
+ struct ssb_device_id id;
+
+ u8 core_index;
+ unsigned int irq;
+
+ /* Internal-only stuff follows. */
+ void *drvdata; /* Per-device data */
+ void *devtypedata; /* Per-devicetype (eg 802.11) data */
+};
+
+/* Go from struct device to struct ssb_device. */
+static inline
+struct ssb_device * dev_to_ssb_dev(struct device *dev)
+{
+ struct __ssb_dev_wrapper *wrap;
+ wrap = container_of(dev, struct __ssb_dev_wrapper, dev);
+ return wrap->sdev;
+}
+
+/* Device specific user data */
+static inline
+void ssb_set_drvdata(struct ssb_device *dev, void *data)
+{
+ dev->drvdata = data;
+}
+static inline
+void * ssb_get_drvdata(struct ssb_device *dev)
+{
+ return dev->drvdata;
+}
+
+/* Devicetype specific user data. This is per device-type (not per device) */
+void ssb_set_devtypedata(struct ssb_device *dev, void *data);
+static inline
+void * ssb_get_devtypedata(struct ssb_device *dev)
+{
+ return dev->devtypedata;
+}
+
+
+struct ssb_driver {
+ const char *name;
+ const struct ssb_device_id *id_table;
+
+ int (*probe)(struct ssb_device *dev, const struct ssb_device_id *id);
+ void (*remove)(struct ssb_device *dev);
+ int (*suspend)(struct ssb_device *dev, pm_message_t state);
+ int (*resume)(struct ssb_device *dev);
+ void (*shutdown)(struct ssb_device *dev);
+
+ struct device_driver drv;
+};
+#define drv_to_ssb_drv(_drv) container_of(_drv, struct ssb_driver, drv)
+
+extern int __ssb_driver_register(struct ssb_driver *drv, struct module *owner);
+#define ssb_driver_register(drv) \
+ __ssb_driver_register(drv, THIS_MODULE)
+
+extern void ssb_driver_unregister(struct ssb_driver *drv);
+
+
+
+
+enum ssb_bustype {
+ SSB_BUSTYPE_SSB, /* This SSB bus is the system bus */
+ SSB_BUSTYPE_PCI, /* SSB is connected to PCI bus */
+ SSB_BUSTYPE_PCMCIA, /* SSB is connected to PCMCIA bus */
+ SSB_BUSTYPE_SDIO, /* SSB is connected to SDIO bus */
+};
+
+/* board_vendor */
+#define SSB_BOARDVENDOR_BCM 0x14E4 /* Broadcom */
+#define SSB_BOARDVENDOR_DELL 0x1028 /* Dell */
+#define SSB_BOARDVENDOR_HP 0x0E11 /* HP */
+/* board_type */
+#define SSB_BOARD_BCM94301CB 0x0406
+#define SSB_BOARD_BCM94301MP 0x0407
+#define SSB_BOARD_BU4309 0x040A
+#define SSB_BOARD_BCM94309CB 0x040B
+#define SSB_BOARD_BCM4309MP 0x040C
+#define SSB_BOARD_BU4306 0x0416
+#define SSB_BOARD_BCM94306MP 0x0418
+#define SSB_BOARD_BCM4309G 0x0421
+#define SSB_BOARD_BCM4306CB 0x0417
+#define SSB_BOARD_BCM94306PC 0x0425 /* pcmcia 3.3v 4306 card */
+#define SSB_BOARD_BCM94306CBSG 0x042B /* with SiGe PA */
+#define SSB_BOARD_PCSG94306 0x042D /* with SiGe PA */
+#define SSB_BOARD_BU4704SD 0x042E /* with sdram */
+#define SSB_BOARD_BCM94704AGR 0x042F /* dual 11a/11g Router */
+#define SSB_BOARD_BCM94308MP 0x0430 /* 11a-only minipci */
+#define SSB_BOARD_BU4318 0x0447
+#define SSB_BOARD_CB4318 0x0448
+#define SSB_BOARD_MPG4318 0x0449
+#define SSB_BOARD_MP4318 0x044A
+#define SSB_BOARD_SD4318 0x044B
+#define SSB_BOARD_BCM94306P 0x044C /* with SiGe */
+#define SSB_BOARD_BCM94303MP 0x044E
+#define SSB_BOARD_BCM94306MPM 0x0450
+#define SSB_BOARD_BCM94306MPL 0x0453
+#define SSB_BOARD_PC4303 0x0454 /* pcmcia */
+#define SSB_BOARD_BCM94306MPLNA 0x0457
+#define SSB_BOARD_BCM94306MPH 0x045B
+#define SSB_BOARD_BCM94306PCIV 0x045C
+#define SSB_BOARD_BCM94318MPGH 0x0463
+#define SSB_BOARD_BU4311 0x0464
+#define SSB_BOARD_BCM94311MC 0x0465
+#define SSB_BOARD_BCM94311MCAG 0x0466
+/* 4321 boards */
+#define SSB_BOARD_BU4321 0x046B
+#define SSB_BOARD_BU4321E 0x047C
+#define SSB_BOARD_MP4321 0x046C
+#define SSB_BOARD_CB2_4321 0x046D
+#define SSB_BOARD_CB2_4321_AG 0x0066
+#define SSB_BOARD_MC4321 0x046E
+/* 4325 boards */
+#define SSB_BOARD_BCM94325DEVBU 0x0490
+#define SSB_BOARD_BCM94325BGABU 0x0491
+#define SSB_BOARD_BCM94325SDGWB 0x0492
+#define SSB_BOARD_BCM94325SDGMDL 0x04AA
+#define SSB_BOARD_BCM94325SDGMDL2 0x04C6
+#define SSB_BOARD_BCM94325SDGMDL3 0x04C9
+#define SSB_BOARD_BCM94325SDABGWBA 0x04E1
+/* 4322 boards */
+#define SSB_BOARD_BCM94322MC 0x04A4
+#define SSB_BOARD_BCM94322USB 0x04A8 /* dualband */
+#define SSB_BOARD_BCM94322HM 0x04B0
+#define SSB_BOARD_BCM94322USB2D 0x04Bf /* single band discrete front end */
+/* 4312 boards */
+#define SSB_BOARD_BU4312 0x048A
+#define SSB_BOARD_BCM4312MCGSG 0x04B5
+/* chip_package */
+#define SSB_CHIPPACK_BCM4712S 1 /* Small 200pin 4712 */
+#define SSB_CHIPPACK_BCM4712M 2 /* Medium 225pin 4712 */
+#define SSB_CHIPPACK_BCM4712L 0 /* Large 340pin 4712 */
+
+#include <linux/ssb/ssb_driver_chipcommon.h>
+#include <linux/ssb/ssb_driver_mips.h>
+#include <linux/ssb/ssb_driver_extif.h>
+#include <linux/ssb/ssb_driver_pci.h>
+
+struct ssb_bus {
+ /* The MMIO area. */
+ void __iomem *mmio;
+
+ const struct ssb_bus_ops *ops;
+
+ /* The core currently mapped into the MMIO window.
+ * Not valid on all host-buses. So don't use outside of SSB. */
+ struct ssb_device *mapped_device;
+ union {
+ /* Currently mapped PCMCIA segment. (bustype == SSB_BUSTYPE_PCMCIA only) */
+ u8 mapped_pcmcia_seg;
+ /* Current SSB base address window for SDIO. */
+ u32 sdio_sbaddr;
+ };
+ /* Lock for core and segment switching.
+ * On PCMCIA-host busses this is used to protect the whole MMIO access. */
+ spinlock_t bar_lock;
+
+ /* The host-bus this backplane is running on. */
+ enum ssb_bustype bustype;
+ /* Pointers to the host-bus. Check bustype before using any of these pointers. */
+ union {
+ /* Pointer to the PCI bus (only valid if bustype == SSB_BUSTYPE_PCI). */
+ struct pci_dev *host_pci;
+ /* Pointer to the PCMCIA device (only if bustype == SSB_BUSTYPE_PCMCIA). */
+ struct pcmcia_device *host_pcmcia;
+ /* Pointer to the SDIO device (only if bustype == SSB_BUSTYPE_SDIO). */
+ struct sdio_func *host_sdio;
+ };
+
+ /* See enum ssb_quirks */
+ unsigned int quirks;
+
+#ifdef CONFIG_SSB_SPROM
+ /* Mutex to protect the SPROM writing. */
+ struct mutex sprom_mutex;
+#endif
+
+ /* ID information about the Chip. */
+ u16 chip_id;
+ u8 chip_rev;
+ u16 sprom_offset;
+ u16 sprom_size; /* number of words in sprom */
+ u8 chip_package;
+
+ /* List of devices (cores) on the backplane. */
+ struct ssb_device devices[SSB_MAX_NR_CORES];
+ u8 nr_devices;
+
+ /* Software ID number for this bus. */
+ unsigned int busnumber;
+
+ /* The ChipCommon device (if available). */
+ struct ssb_chipcommon chipco;
+ /* The PCI-core device (if available). */
+ struct ssb_pcicore pcicore;
+ /* The MIPS-core device (if available). */
+ struct ssb_mipscore mipscore;
+ /* The EXTif-core device (if available). */
+ struct ssb_extif extif;
+
+ /* The following structure elements are not available in early
+ * SSB initialization. Though, they are available for regular
+ * registered drivers at any stage. So be careful when
+ * using them in the ssb core code. */
+
+ /* ID information about the PCB. */
+ struct ssb_boardinfo boardinfo;
+ /* Contents of the SPROM. */
+ struct ssb_sprom sprom;
+ /* If the board has a cardbus slot, this is set to true. */
+ bool has_cardbus_slot;
+
+#ifdef CONFIG_SSB_EMBEDDED
+ /* Lock for GPIO register access. */
+ spinlock_t gpio_lock;
+ struct platform_device *watchdog;
+#endif /* EMBEDDED */
+#ifdef CONFIG_SSB_DRIVER_GPIO
+ struct gpio_chip gpio;
+ struct irq_domain *irq_domain;
+#endif /* DRIVER_GPIO */
+
+ /* Internal-only stuff follows. Do not touch. */
+ struct list_head list;
+#ifdef CONFIG_SSB_DEBUG
+ /* Is the bus already powered up? */
+ bool powered_up;
+ int power_warn_count;
+#endif /* DEBUG */
+};
+
+enum ssb_quirks {
+ /* SDIO connected card requires performing a read after writing a 32-bit value */
+ SSB_QUIRK_SDIO_READ_AFTER_WRITE32 = (1 << 0),
+};
+
+/* The initialization-invariants. */
+struct ssb_init_invariants {
+ /* Versioning information about the PCB. */
+ struct ssb_boardinfo boardinfo;
+ /* The SPROM information. That's either stored in an
+ * EEPROM or NVRAM on the board. */
+ struct ssb_sprom sprom;
+ /* If the board has a cardbus slot, this is set to true. */
+ bool has_cardbus_slot;
+};
+/* Type of function to fetch the invariants. */
+typedef int (*ssb_invariants_func_t)(struct ssb_bus *bus,
+ struct ssb_init_invariants *iv);
+
+/* Register a SSB system bus. get_invariants() is called after the
+ * basic system devices are initialized.
+ * The invariants are usually fetched from some NVRAM.
+ * Put the invariants into the struct pointed to by iv. */
+extern int ssb_bus_ssbbus_register(struct ssb_bus *bus,
+ unsigned long baseaddr,
+ ssb_invariants_func_t get_invariants);
+#ifdef CONFIG_SSB_PCIHOST
+extern int ssb_bus_pcibus_register(struct ssb_bus *bus,
+ struct pci_dev *host_pci);
+#endif /* CONFIG_SSB_PCIHOST */
+#ifdef CONFIG_SSB_PCMCIAHOST
+extern int ssb_bus_pcmciabus_register(struct ssb_bus *bus,
+ struct pcmcia_device *pcmcia_dev,
+ unsigned long baseaddr);
+#endif /* CONFIG_SSB_PCMCIAHOST */
+#ifdef CONFIG_SSB_SDIOHOST
+extern int ssb_bus_sdiobus_register(struct ssb_bus *bus,
+ struct sdio_func *sdio_func,
+ unsigned int quirks);
+#endif /* CONFIG_SSB_SDIOHOST */
+
+
+extern void ssb_bus_unregister(struct ssb_bus *bus);
+
+/* Does the device have an SPROM? */
+extern bool ssb_is_sprom_available(struct ssb_bus *bus);
+
+/* Set a fallback SPROM.
+ * See kdoc at the function definition for complete documentation. */
+extern int ssb_arch_register_fallback_sprom(
+ int (*sprom_callback)(struct ssb_bus *bus,
+ struct ssb_sprom *out));
+
+/* Suspend a SSB bus.
+ * Call this from the parent bus suspend routine. */
+extern int ssb_bus_suspend(struct ssb_bus *bus);
+/* Resume a SSB bus.
+ * Call this from the parent bus resume routine. */
+extern int ssb_bus_resume(struct ssb_bus *bus);
+
+extern u32 ssb_clockspeed(struct ssb_bus *bus);
+
+/* Is the device enabled in hardware? */
+int ssb_device_is_enabled(struct ssb_device *dev);
+/* Enable a device and pass device-specific SSB_TMSLOW flags.
+ * If no device-specific flags are available, use 0. */
+void ssb_device_enable(struct ssb_device *dev, u32 core_specific_flags);
+/* Disable a device in hardware and pass SSB_TMSLOW flags (if any). */
+void ssb_device_disable(struct ssb_device *dev, u32 core_specific_flags);
+
+
+/* Device MMIO register read/write functions. */
+static inline u8 ssb_read8(struct ssb_device *dev, u16 offset)
+{
+ return dev->ops->read8(dev, offset);
+}
+static inline u16 ssb_read16(struct ssb_device *dev, u16 offset)
+{
+ return dev->ops->read16(dev, offset);
+}
+static inline u32 ssb_read32(struct ssb_device *dev, u16 offset)
+{
+ return dev->ops->read32(dev, offset);
+}
+static inline void ssb_write8(struct ssb_device *dev, u16 offset, u8 value)
+{
+ dev->ops->write8(dev, offset, value);
+}
+static inline void ssb_write16(struct ssb_device *dev, u16 offset, u16 value)
+{
+ dev->ops->write16(dev, offset, value);
+}
+static inline void ssb_write32(struct ssb_device *dev, u16 offset, u32 value)
+{
+ dev->ops->write32(dev, offset, value);
+}
+#ifdef CONFIG_SSB_BLOCKIO
+static inline void ssb_block_read(struct ssb_device *dev, void *buffer,
+ size_t count, u16 offset, u8 reg_width)
+{
+ dev->ops->block_read(dev, buffer, count, offset, reg_width);
+}
+
+static inline void ssb_block_write(struct ssb_device *dev, const void *buffer,
+ size_t count, u16 offset, u8 reg_width)
+{
+ dev->ops->block_write(dev, buffer, count, offset, reg_width);
+}
+#endif /* CONFIG_SSB_BLOCKIO */
+
+
+/* The SSB DMA API. Use this API for any DMA operation on the device.
+ * This API basically is a wrapper that calls the correct DMA API for
+ * the host device type the SSB device is attached to. */
+
+/* Translation (routing) bits that need to be ORed to DMA
+ * addresses before they are given to a device. */
+extern u32 ssb_dma_translation(struct ssb_device *dev);
+#define SSB_DMA_TRANSLATION_MASK 0xC0000000
+#define SSB_DMA_TRANSLATION_SHIFT 30
+
+static inline void __cold __ssb_dma_not_implemented(struct ssb_device *dev)
+{
+#ifdef CONFIG_SSB_DEBUG
+ printk(KERN_ERR "SSB: BUG! Calling DMA API for "
+ "unsupported bustype %d\n", dev->bus->bustype);
+#endif /* DEBUG */
+}
+
+#ifdef CONFIG_SSB_PCIHOST
+/* PCI-host wrapper driver */
+extern int ssb_pcihost_register(struct pci_driver *driver);
+static inline void ssb_pcihost_unregister(struct pci_driver *driver)
+{
+ pci_unregister_driver(driver);
+}
+
+static inline
+void ssb_pcihost_set_power_state(struct ssb_device *sdev, pci_power_t state)
+{
+ if (sdev->bus->bustype == SSB_BUSTYPE_PCI)
+ pci_set_power_state(sdev->bus->host_pci, state);
+}
+#else
+static inline void ssb_pcihost_unregister(struct pci_driver *driver)
+{
+}
+
+static inline
+void ssb_pcihost_set_power_state(struct ssb_device *sdev, pci_power_t state)
+{
+}
+#endif /* CONFIG_SSB_PCIHOST */
+
+
+/* If a driver is shutdown or suspended, call this to signal
+ * that the bus may be completely powered down. SSB will decide,
+ * if it's really time to power down the bus, based on if there
+ * are other devices that want to run. */
+extern int ssb_bus_may_powerdown(struct ssb_bus *bus);
+/* Before initializing and enabling a device, call this to power-up the bus.
+ * If you want to allow use of dynamic-power-control, pass the flag.
+ * Otherwise static always-on powercontrol will be used. */
+extern int ssb_bus_powerup(struct ssb_bus *bus, bool dynamic_pctl);
+
+extern void ssb_commit_settings(struct ssb_bus *bus);
+
+/* Various helper functions */
+extern u32 ssb_admatch_base(u32 adm);
+extern u32 ssb_admatch_size(u32 adm);
+
+/* PCI device mapping and fixup routines.
+ * Called from the architecture pcibios init code.
+ * These are only available on SSB_EMBEDDED configurations. */
+#ifdef CONFIG_SSB_EMBEDDED
+int ssb_pcibios_plat_dev_init(struct pci_dev *dev);
+int ssb_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
+#endif /* CONFIG_SSB_EMBEDDED */
+
+#endif /* LINUX_SSB_H_ */