diff options
Diffstat (limited to 'drivers/net/wireless/b43/phy_common.h')
| -rw-r--r-- | drivers/net/wireless/b43/phy_common.h | 457 |
1 files changed, 0 insertions, 457 deletions
diff --git a/drivers/net/wireless/b43/phy_common.h b/drivers/net/wireless/b43/phy_common.h deleted file mode 100644 index 78d865267..000000000 --- a/drivers/net/wireless/b43/phy_common.h +++ /dev/null @@ -1,457 +0,0 @@ -#ifndef LINUX_B43_PHY_COMMON_H_ -#define LINUX_B43_PHY_COMMON_H_ - -#include <linux/types.h> -#include <linux/nl80211.h> - -struct b43_wldev; - -/* Complex number using 2 32-bit signed integers */ -struct b43_c32 { s32 i, q; }; - -#define CORDIC_CONVERT(value) (((value) >= 0) ? \ - ((((value) >> 15) + 1) >> 1) : \ - -((((-(value)) >> 15) + 1) >> 1)) - -/* PHY register routing bits */ -#define B43_PHYROUTE 0x0C00 /* PHY register routing bits mask */ -#define B43_PHYROUTE_BASE 0x0000 /* Base registers */ -#define B43_PHYROUTE_OFDM_GPHY 0x0400 /* OFDM register routing for G-PHYs */ -#define B43_PHYROUTE_EXT_GPHY 0x0800 /* Extended G-PHY registers */ -#define B43_PHYROUTE_N_BMODE 0x0C00 /* N-PHY BMODE registers */ - -/* CCK (B-PHY) registers. */ -#define B43_PHY_CCK(reg) ((reg) | B43_PHYROUTE_BASE) -/* N-PHY registers. */ -#define B43_PHY_N(reg) ((reg) | B43_PHYROUTE_BASE) -/* N-PHY BMODE registers. */ -#define B43_PHY_N_BMODE(reg) ((reg) | B43_PHYROUTE_N_BMODE) -/* OFDM (A-PHY) registers. */ -#define B43_PHY_OFDM(reg) ((reg) | B43_PHYROUTE_OFDM_GPHY) -/* Extended G-PHY registers. */ -#define B43_PHY_EXTG(reg) ((reg) | B43_PHYROUTE_EXT_GPHY) - - -/* Masks for the PHY versioning registers. */ -#define B43_PHYVER_ANALOG 0xF000 -#define B43_PHYVER_ANALOG_SHIFT 12 -#define B43_PHYVER_TYPE 0x0F00 -#define B43_PHYVER_TYPE_SHIFT 8 -#define B43_PHYVER_VERSION 0x00FF - -/* PHY writes need to be flushed if we reach limit */ -#define B43_MAX_WRITES_IN_ROW 24 - -/** - * enum b43_interference_mitigation - Interference Mitigation mode - * - * @B43_INTERFMODE_NONE: Disabled - * @B43_INTERFMODE_NONWLAN: Non-WLAN Interference Mitigation - * @B43_INTERFMODE_MANUALWLAN: WLAN Interference Mitigation - * @B43_INTERFMODE_AUTOWLAN: Automatic WLAN Interference Mitigation - */ -enum b43_interference_mitigation { - B43_INTERFMODE_NONE, - B43_INTERFMODE_NONWLAN, - B43_INTERFMODE_MANUALWLAN, - B43_INTERFMODE_AUTOWLAN, -}; - -/* Antenna identifiers */ -enum { - B43_ANTENNA0 = 0, /* Antenna 0 */ - B43_ANTENNA1 = 1, /* Antenna 1 */ - B43_ANTENNA_AUTO0 = 2, /* Automatic, starting with antenna 0 */ - B43_ANTENNA_AUTO1 = 3, /* Automatic, starting with antenna 1 */ - B43_ANTENNA2 = 4, - B43_ANTENNA3 = 8, - - B43_ANTENNA_AUTO = B43_ANTENNA_AUTO0, - B43_ANTENNA_DEFAULT = B43_ANTENNA_AUTO, -}; - -/** - * enum b43_txpwr_result - Return value for the recalc_txpower PHY op. - * - * @B43_TXPWR_RES_NEED_ADJUST: Values changed. Hardware adjustment is needed. - * @B43_TXPWR_RES_DONE: No more work to do. Everything is done. - */ -enum b43_txpwr_result { - B43_TXPWR_RES_NEED_ADJUST, - B43_TXPWR_RES_DONE, -}; - -/** - * struct b43_phy_operations - Function pointers for PHY ops. - * - * @allocate: Allocate and initialise the PHY data structures. - * Must not be NULL. - * @free: Destroy and free the PHY data structures. - * Must not be NULL. - * - * @prepare_structs: Prepare the PHY data structures. - * The data structures allocated in @allocate are - * initialized here. - * Must not be NULL. - * @prepare_hardware: Prepare the PHY. This is called before b43_chip_init to - * do some early early PHY hardware init. - * Can be NULL, if not required. - * @init: Initialize the PHY. - * Must not be NULL. - * @exit: Shutdown the PHY. - * Can be NULL, if not required. - * - * @phy_read: Read from a PHY register. - * Must not be NULL. - * @phy_write: Write to a PHY register. - * Must not be NULL. - * @phy_maskset: Maskset a PHY register, taking shortcuts. - * If it is NULL, a generic algorithm is used. - * @radio_read: Read from a Radio register. - * Must not be NULL. - * @radio_write: Write to a Radio register. - * Must not be NULL. - * - * @supports_hwpctl: Returns a boolean whether Hardware Power Control - * is supported or not. - * If NULL, hwpctl is assumed to be never supported. - * @software_rfkill: Turn the radio ON or OFF. - * Possible state values are - * RFKILL_STATE_SOFT_BLOCKED or - * RFKILL_STATE_UNBLOCKED - * Must not be NULL. - * @switch_analog: Turn the Analog on/off. - * Must not be NULL. - * @switch_channel: Switch the radio to another channel. - * Must not be NULL. - * @get_default_chan: Just returns the default channel number. - * Must not be NULL. - * @set_rx_antenna: Set the antenna used for RX. - * Can be NULL, if not supported. - * @interf_mitigation: Switch the Interference Mitigation mode. - * Can be NULL, if not supported. - * - * @recalc_txpower: Recalculate the transmission power parameters. - * This callback has to recalculate the TX power settings, - * but does not need to write them to the hardware, yet. - * Returns enum b43_txpwr_result to indicate whether the hardware - * needs to be adjusted. - * If B43_TXPWR_NEED_ADJUST is returned, @adjust_txpower - * will be called later. - * If the parameter "ignore_tssi" is true, the TSSI values should - * be ignored and a recalculation of the power settings should be - * done even if the TSSI values did not change. - * This function may sleep, but should not. - * Must not be NULL. - * @adjust_txpower: Write the previously calculated TX power settings - * (from @recalc_txpower) to the hardware. - * This function may sleep. - * Can be NULL, if (and ONLY if) @recalc_txpower _always_ - * returns B43_TXPWR_RES_DONE. - * - * @pwork_15sec: Periodic work. Called every 15 seconds. - * Can be NULL, if not required. - * @pwork_60sec: Periodic work. Called every 60 seconds. - * Can be NULL, if not required. - */ -struct b43_phy_operations { - /* Initialisation */ - int (*allocate)(struct b43_wldev *dev); - void (*free)(struct b43_wldev *dev); - void (*prepare_structs)(struct b43_wldev *dev); - int (*prepare_hardware)(struct b43_wldev *dev); - int (*init)(struct b43_wldev *dev); - void (*exit)(struct b43_wldev *dev); - - /* Register access */ - u16 (*phy_read)(struct b43_wldev *dev, u16 reg); - void (*phy_write)(struct b43_wldev *dev, u16 reg, u16 value); - void (*phy_maskset)(struct b43_wldev *dev, u16 reg, u16 mask, u16 set); - u16 (*radio_read)(struct b43_wldev *dev, u16 reg); - void (*radio_write)(struct b43_wldev *dev, u16 reg, u16 value); - - /* Radio */ - bool (*supports_hwpctl)(struct b43_wldev *dev); - void (*software_rfkill)(struct b43_wldev *dev, bool blocked); - void (*switch_analog)(struct b43_wldev *dev, bool on); - int (*switch_channel)(struct b43_wldev *dev, unsigned int new_channel); - unsigned int (*get_default_chan)(struct b43_wldev *dev); - void (*set_rx_antenna)(struct b43_wldev *dev, int antenna); - int (*interf_mitigation)(struct b43_wldev *dev, - enum b43_interference_mitigation new_mode); - - /* Transmission power adjustment */ - enum b43_txpwr_result (*recalc_txpower)(struct b43_wldev *dev, - bool ignore_tssi); - void (*adjust_txpower)(struct b43_wldev *dev); - - /* Misc */ - void (*pwork_15sec)(struct b43_wldev *dev); - void (*pwork_60sec)(struct b43_wldev *dev); -}; - -struct b43_phy_a; -struct b43_phy_g; -struct b43_phy_n; -struct b43_phy_lp; -struct b43_phy_ht; -struct b43_phy_lcn; - -struct b43_phy { - /* Hardware operation callbacks. */ - const struct b43_phy_operations *ops; - - /* Most hardware context information is stored in the standard- - * specific data structures pointed to by the pointers below. - * Only one of them is valid (the currently enabled PHY). */ -#ifdef CONFIG_B43_DEBUG - /* No union for debug build to force NULL derefs in buggy code. */ - struct { -#else - union { -#endif - /* A-PHY specific information */ - struct b43_phy_a *a; - /* G-PHY specific information */ - struct b43_phy_g *g; - /* N-PHY specific information */ - struct b43_phy_n *n; - /* LP-PHY specific information */ - struct b43_phy_lp *lp; - /* HT-PHY specific information */ - struct b43_phy_ht *ht; - /* LCN-PHY specific information */ - struct b43_phy_lcn *lcn; - /* AC-PHY specific information */ - struct b43_phy_ac *ac; - }; - - /* Band support flags. */ - bool supports_2ghz; - bool supports_5ghz; - - /* Is GMODE (2 GHz mode) bit enabled? */ - bool gmode; - - /* After power reset full init has to be performed */ - bool do_full_init; - - /* Analog Type */ - u8 analog; - /* B43_PHYTYPE_ */ - u8 type; - /* PHY revision number. */ - u8 rev; - - /* Count writes since last read */ - u8 writes_counter; - - /* Radio versioning */ - u16 radio_manuf; /* Radio manufacturer */ - u16 radio_ver; /* Radio version */ - u8 radio_rev; /* Radio revision */ - - /* Software state of the radio */ - bool radio_on; - - /* Desired TX power level (in dBm). - * This is set by the user and adjusted in b43_phy_xmitpower(). */ - int desired_txpower; - - /* Hardware Power Control enabled? */ - bool hardware_power_control; - - /* The time (in absolute jiffies) when the next TX power output - * check is needed. */ - unsigned long next_txpwr_check_time; - - /* Current channel */ - struct cfg80211_chan_def *chandef; - unsigned int channel; - - /* PHY TX errors counter. */ - atomic_t txerr_cnt; - -#ifdef CONFIG_B43_DEBUG - /* PHY registers locked (w.r.t. firmware) */ - bool phy_locked; - /* Radio registers locked (w.r.t. firmware) */ - bool radio_locked; -#endif /* B43_DEBUG */ -}; - - -/** - * b43_phy_allocate - Allocate PHY structs - * Allocate the PHY data structures, based on the current dev->phy.type - */ -int b43_phy_allocate(struct b43_wldev *dev); - -/** - * b43_phy_free - Free PHY structs - */ -void b43_phy_free(struct b43_wldev *dev); - -/** - * b43_phy_init - Initialise the PHY - */ -int b43_phy_init(struct b43_wldev *dev); - -/** - * b43_phy_exit - Cleanup PHY - */ -void b43_phy_exit(struct b43_wldev *dev); - -/** - * b43_has_hardware_pctl - Hardware Power Control supported? - * Returns a boolean, whether hardware power control is supported. - */ -bool b43_has_hardware_pctl(struct b43_wldev *dev); - -/** - * b43_phy_read - 16bit PHY register read access - */ -u16 b43_phy_read(struct b43_wldev *dev, u16 reg); - -/** - * b43_phy_write - 16bit PHY register write access - */ -void b43_phy_write(struct b43_wldev *dev, u16 reg, u16 value); - -/** - * b43_phy_copy - copy contents of 16bit PHY register to another - */ -void b43_phy_copy(struct b43_wldev *dev, u16 destreg, u16 srcreg); - -/** - * b43_phy_mask - Mask a PHY register with a mask - */ -void b43_phy_mask(struct b43_wldev *dev, u16 offset, u16 mask); - -/** - * b43_phy_set - OR a PHY register with a bitmap - */ -void b43_phy_set(struct b43_wldev *dev, u16 offset, u16 set); - -/** - * b43_phy_maskset - Mask and OR a PHY register with a mask and bitmap - */ -void b43_phy_maskset(struct b43_wldev *dev, u16 offset, u16 mask, u16 set); - -/** - * b43_radio_read - 16bit Radio register read access - */ -u16 b43_radio_read(struct b43_wldev *dev, u16 reg); -#define b43_radio_read16 b43_radio_read /* DEPRECATED */ - -/** - * b43_radio_write - 16bit Radio register write access - */ -void b43_radio_write(struct b43_wldev *dev, u16 reg, u16 value); -#define b43_radio_write16 b43_radio_write /* DEPRECATED */ - -/** - * b43_radio_mask - Mask a 16bit radio register with a mask - */ -void b43_radio_mask(struct b43_wldev *dev, u16 offset, u16 mask); - -/** - * b43_radio_set - OR a 16bit radio register with a bitmap - */ -void b43_radio_set(struct b43_wldev *dev, u16 offset, u16 set); - -/** - * b43_radio_maskset - Mask and OR a radio register with a mask and bitmap - */ -void b43_radio_maskset(struct b43_wldev *dev, u16 offset, u16 mask, u16 set); - -/** - * b43_radio_wait_value - Waits for a given value in masked register read - */ -bool b43_radio_wait_value(struct b43_wldev *dev, u16 offset, u16 mask, - u16 value, int delay, int timeout); - -/** - * b43_radio_lock - Lock firmware radio register access - */ -void b43_radio_lock(struct b43_wldev *dev); - -/** - * b43_radio_unlock - Unlock firmware radio register access - */ -void b43_radio_unlock(struct b43_wldev *dev); - -/** - * b43_phy_lock - Lock firmware PHY register access - */ -void b43_phy_lock(struct b43_wldev *dev); - -/** - * b43_phy_unlock - Unlock firmware PHY register access - */ -void b43_phy_unlock(struct b43_wldev *dev); - -void b43_phy_put_into_reset(struct b43_wldev *dev); -void b43_phy_take_out_of_reset(struct b43_wldev *dev); - -/** - * b43_switch_channel - Switch to another channel - */ -int b43_switch_channel(struct b43_wldev *dev, unsigned int new_channel); - -/** - * b43_software_rfkill - Turn the radio ON or OFF in software. - */ -void b43_software_rfkill(struct b43_wldev *dev, bool blocked); - -/** - * b43_phy_txpower_check - Check TX power output. - * - * Compare the current TX power output to the desired power emission - * and schedule an adjustment in case it mismatches. - * - * @flags: OR'ed enum b43_phy_txpower_check_flags flags. - * See the docs below. - */ -void b43_phy_txpower_check(struct b43_wldev *dev, unsigned int flags); -/** - * enum b43_phy_txpower_check_flags - Flags for b43_phy_txpower_check() - * - * @B43_TXPWR_IGNORE_TIME: Ignore the schedule time and force-redo - * the check now. - * @B43_TXPWR_IGNORE_TSSI: Redo the recalculation, even if the average - * TSSI did not change. - */ -enum b43_phy_txpower_check_flags { - B43_TXPWR_IGNORE_TIME = (1 << 0), - B43_TXPWR_IGNORE_TSSI = (1 << 1), -}; - -struct work_struct; -void b43_phy_txpower_adjust_work(struct work_struct *work); - -/** - * b43_phy_shm_tssi_read - Read the average of the last 4 TSSI from SHM. - * - * @shm_offset: The SHM address to read the values from. - * - * Returns the average of the 4 TSSI values, or a negative error code. - */ -int b43_phy_shm_tssi_read(struct b43_wldev *dev, u16 shm_offset); - -/** - * b43_phy_switch_analog_generic - Generic PHY operation for switching the Analog. - * - * It does the switching based on the PHY0 core register. - * Do _not_ call this directly. Only use it as a switch_analog callback - * for struct b43_phy_operations. - */ -void b43_phyop_switch_analog_generic(struct b43_wldev *dev, bool on); - -bool b43_is_40mhz(struct b43_wldev *dev); - -void b43_phy_force_clock(struct b43_wldev *dev, bool force); - -struct b43_c32 b43_cordic(int theta); - -#endif /* LINUX_B43_PHY_COMMON_H_ */ |