#include "lo.h"
#include "phy.h"
+
+/* The unique identifier of the firmware that's officially supported by
+ * this driver version. */
+#define B43_SUPPORTED_FIRMWARE_ID "FW13"
+
+
#ifdef CONFIG_B43_DEBUG
# define B43_DEBUG 1
#else
#define B43_MMIO_DMA4_IRQ_MASK 0x44
#define B43_MMIO_DMA5_REASON 0x48
#define B43_MMIO_DMA5_IRQ_MASK 0x4C
-#define B43_MMIO_MACCTL 0x120
-#define B43_MMIO_STATUS2_BITFIELD 0x124
+#define B43_MMIO_MACCTL 0x120 /* MAC control */
+#define B43_MMIO_MACCMD 0x124 /* MAC command */
#define B43_MMIO_GEN_IRQ_REASON 0x128
#define B43_MMIO_GEN_IRQ_MASK 0x12C
#define B43_MMIO_RAM_CONTROL 0x130
#define B43_MMIO_XMITSTAT_1 0x174
#define B43_MMIO_REV3PLUS_TSF_LOW 0x180 /* core rev >= 3 only */
#define B43_MMIO_REV3PLUS_TSF_HIGH 0x184 /* core rev >= 3 only */
+#define B43_MMIO_TSF_CFP_REP 0x188
+#define B43_MMIO_TSF_CFP_START 0x18C
+#define B43_MMIO_TSF_CFP_MAXDUR 0x190
/* 32-bit DMA */
#define B43_MMIO_DMA32_BASE0 0x200
#define B43_MMIO_DMA64_BASE3 0x2C0
#define B43_MMIO_DMA64_BASE4 0x300
#define B43_MMIO_DMA64_BASE5 0x340
-/* PIO */
-#define B43_MMIO_PIO1_BASE 0x300
-#define B43_MMIO_PIO2_BASE 0x310
-#define B43_MMIO_PIO3_BASE 0x320
-#define B43_MMIO_PIO4_BASE 0x330
#define B43_MMIO_PHY_VER 0x3E0
#define B43_MMIO_PHY_RADIO 0x3E2
#define B43_MMIO_RADIO_HWENABLED_LO 0x49A
#define B43_MMIO_GPIO_CONTROL 0x49C
#define B43_MMIO_GPIO_MASK 0x49E
+#define B43_MMIO_TSF_CFP_START_LOW 0x604
+#define B43_MMIO_TSF_CFP_START_HIGH 0x606
#define B43_MMIO_TSF_0 0x632 /* core rev < 3 only */
#define B43_MMIO_TSF_1 0x634 /* core rev < 3 only */
#define B43_MMIO_TSF_2 0x636 /* core rev < 3 only */
#define B43_MMIO_TSF_3 0x638 /* core rev < 3 only */
#define B43_MMIO_RNG 0x65A
+#define B43_MMIO_IFSCTL 0x688 /* Interframe space control */
+#define B43_MMIO_IFSCTL_USE_EDCF 0x0004
#define B43_MMIO_POWERUP_DELAY 0x6A8
/* SPROM boardflags_lo values */
#define B43_SHM_SH_PHYTYPE 0x0052 /* PHY type */
#define B43_SHM_SH_ANTSWAP 0x005C /* Antenna swap threshold */
#define B43_SHM_SH_HOSTFLO 0x005E /* Hostflags for ucode options (low) */
-#define B43_SHM_SH_HOSTFHI 0x0060 /* Hostflags for ucode options (high) */
+#define B43_SHM_SH_HOSTFMI 0x0060 /* Hostflags for ucode options (middle) */
+#define B43_SHM_SH_HOSTFHI 0x0062 /* Hostflags for ucode options (high) */
#define B43_SHM_SH_RFATT 0x0064 /* Current radio attenuation value */
#define B43_SHM_SH_RADAR 0x0066 /* Radar register */
#define B43_SHM_SH_PHYTXNOI 0x006E /* PHY noise directly after TX (lower 8bit only) */
#define B43_SHM_SH_SLOTT 0x0010 /* Slot time */
#define B43_SHM_SH_DTIMPER 0x0012 /* DTIM period */
#define B43_SHM_SH_NOSLPZNATDTIM 0x004C /* NOSLPZNAT DTIM */
-/* SHM_SHARED beacon variables */
+/* SHM_SHARED beacon/AP variables */
#define B43_SHM_SH_BTL0 0x0018 /* Beacon template length 0 */
#define B43_SHM_SH_BTL1 0x001A /* Beacon template length 1 */
#define B43_SHM_SH_BTSFOFF 0x001C /* Beacon TSF offset */
#define B43_SHM_SH_TIMBPOS 0x001E /* TIM B position in beacon */
+#define B43_SHM_SH_DTIMP 0x0012 /* DTIP period */
+#define B43_SHM_SH_MCASTCOOKIE 0x00A8 /* Last bcast/mcast frame ID */
#define B43_SHM_SH_SFFBLIM 0x0044 /* Short frame fallback retry limit */
#define B43_SHM_SH_LFFBLIM 0x0046 /* Long frame fallback retry limit */
#define B43_SHM_SH_BEACPHYCTL 0x0054 /* Beacon PHY TX control word (see PHY TX control) */
+#define B43_SHM_SH_EXTNPHYCTL 0x00B0 /* Extended bytes for beacon PHY control (N) */
/* SHM_SHARED ACK/CTS control */
#define B43_SHM_SH_ACKCTSPHYCTL 0x0022 /* ACK/CTS PHY control word (see PHY TX control) */
/* SHM_SHARED probe response variables */
#define B43_MMIO_RADIO_HWENABLED_LO_MASK (1 << 4)
/* HostFlags. See b43_hf_read/write() */
-#define B43_HF_ANTDIVHELP 0x00000001 /* ucode antenna div helper */
-#define B43_HF_SYMW 0x00000002 /* G-PHY SYM workaround */
-#define B43_HF_RXPULLW 0x00000004 /* RX pullup workaround */
-#define B43_HF_CCKBOOST 0x00000008 /* 4dB CCK power boost (exclusive with OFDM boost) */
-#define B43_HF_BTCOEX 0x00000010 /* Bluetooth coexistance */
-#define B43_HF_GDCW 0x00000020 /* G-PHY DV canceller filter bw workaround */
-#define B43_HF_OFDMPABOOST 0x00000040 /* Enable PA gain boost for OFDM */
-#define B43_HF_ACPR 0x00000080 /* Disable for Japan, channel 14 */
-#define B43_HF_EDCF 0x00000100 /* on if WME and MAC suspended */
-#define B43_HF_TSSIRPSMW 0x00000200 /* TSSI reset PSM ucode workaround */
-#define B43_HF_DSCRQ 0x00000400 /* Disable slow clock request in ucode */
-#define B43_HF_ACIW 0x00000800 /* ACI workaround: shift bits by 2 on PHY CRS */
-#define B43_HF_2060W 0x00001000 /* 2060 radio workaround */
-#define B43_HF_RADARW 0x00002000 /* Radar workaround */
-#define B43_HF_USEDEFKEYS 0x00004000 /* Enable use of default keys */
-#define B43_HF_BT4PRIOCOEX 0x00010000 /* Bluetooth 2-priority coexistance */
-#define B43_HF_FWKUP 0x00020000 /* Fast wake-up ucode */
-#define B43_HF_VCORECALC 0x00040000 /* Force VCO recalculation when powering up synthpu */
-#define B43_HF_PCISCW 0x00080000 /* PCI slow clock workaround */
-#define B43_HF_4318TSSI 0x00200000 /* 4318 TSSI */
-#define B43_HF_FBCMCFIFO 0x00400000 /* Flush bcast/mcast FIFO immediately */
-#define B43_HF_HWPCTL 0x00800000 /* Enable hardwarre power control */
-#define B43_HF_BTCOEXALT 0x01000000 /* Bluetooth coexistance in alternate pins */
-#define B43_HF_TXBTCHECK 0x02000000 /* Bluetooth check during transmission */
-#define B43_HF_SKCFPUP 0x04000000 /* Skip CFP update */
+#define B43_HF_ANTDIVHELP 0x000000000001ULL /* ucode antenna div helper */
+#define B43_HF_SYMW 0x000000000002ULL /* G-PHY SYM workaround */
+#define B43_HF_RXPULLW 0x000000000004ULL /* RX pullup workaround */
+#define B43_HF_CCKBOOST 0x000000000008ULL /* 4dB CCK power boost (exclusive with OFDM boost) */
+#define B43_HF_BTCOEX 0x000000000010ULL /* Bluetooth coexistance */
+#define B43_HF_GDCW 0x000000000020ULL /* G-PHY DC canceller filter bw workaround */
+#define B43_HF_OFDMPABOOST 0x000000000040ULL /* Enable PA gain boost for OFDM */
+#define B43_HF_ACPR 0x000000000080ULL /* Disable for Japan, channel 14 */
+#define B43_HF_EDCF 0x000000000100ULL /* on if WME and MAC suspended */
+#define B43_HF_TSSIRPSMW 0x000000000200ULL /* TSSI reset PSM ucode workaround */
+#define B43_HF_20IN40IQW 0x000000000200ULL /* 20 in 40 MHz I/Q workaround (rev >= 13 only) */
+#define B43_HF_DSCRQ 0x000000000400ULL /* Disable slow clock request in ucode */
+#define B43_HF_ACIW 0x000000000800ULL /* ACI workaround: shift bits by 2 on PHY CRS */
+#define B43_HF_2060W 0x000000001000ULL /* 2060 radio workaround */
+#define B43_HF_RADARW 0x000000002000ULL /* Radar workaround */
+#define B43_HF_USEDEFKEYS 0x000000004000ULL /* Enable use of default keys */
+#define B43_HF_AFTERBURNER 0x000000008000ULL /* Afterburner enabled */
+#define B43_HF_BT4PRIOCOEX 0x000000010000ULL /* Bluetooth 4-priority coexistance */
+#define B43_HF_FWKUP 0x000000020000ULL /* Fast wake-up ucode */
+#define B43_HF_VCORECALC 0x000000040000ULL /* Force VCO recalculation when powering up synthpu */
+#define B43_HF_PCISCW 0x000000080000ULL /* PCI slow clock workaround */
+#define B43_HF_4318TSSI 0x000000200000ULL /* 4318 TSSI */
+#define B43_HF_FBCMCFIFO 0x000000400000ULL /* Flush bcast/mcast FIFO immediately */
+#define B43_HF_HWPCTL 0x000000800000ULL /* Enable hardwarre power control */
+#define B43_HF_BTCOEXALT 0x000001000000ULL /* Bluetooth coexistance in alternate pins */
+#define B43_HF_TXBTCHECK 0x000002000000ULL /* Bluetooth check during transmission */
+#define B43_HF_SKCFPUP 0x000004000000ULL /* Skip CFP update */
+#define B43_HF_N40W 0x000008000000ULL /* N PHY 40 MHz workaround (rev >= 13 only) */
+#define B43_HF_ANTSEL 0x000020000000ULL /* Antenna selection (for testing antenna div.) */
+#define B43_HF_BT3COEXT 0x000020000000ULL /* Bluetooth 3-wire coexistence (rev >= 13 only) */
+#define B43_HF_BTCANT 0x000040000000ULL /* Bluetooth coexistence (antenna mode) (rev >= 13 only) */
+#define B43_HF_ANTSELEN 0x000100000000ULL /* Antenna selection enabled (rev >= 13 only) */
+#define B43_HF_ANTSELMODE 0x000200000000ULL /* Antenna selection mode (rev >= 13 only) */
+#define B43_HF_MLADVW 0x001000000000ULL /* N PHY ML ADV workaround (rev >= 13 only) */
+#define B43_HF_PR45960W 0x080000000000ULL /* PR 45960 workaround (rev >= 13 only) */
/* MacFilter offsets. */
#define B43_MACFILTER_SELF 0x0000
#define B43_MACCTL_DISCPMQ 0x40000000 /* Discard Power Management Queue */
#define B43_MACCTL_GMODE 0x80000000 /* G Mode */
-/* 802.11 core specific TM State Low flags */
+/* MAC Command bitfield */
+#define B43_MACCMD_BEACON0_VALID 0x00000001 /* Beacon 0 in template RAM is busy/valid */
+#define B43_MACCMD_BEACON1_VALID 0x00000002 /* Beacon 1 in template RAM is busy/valid */
+#define B43_MACCMD_DFQ_VALID 0x00000004 /* Directed frame queue valid (IBSS PS mode, ATIM) */
+#define B43_MACCMD_CCA 0x00000008 /* Clear channel assessment */
+#define B43_MACCMD_BGNOISE 0x00000010 /* Background noise */
+
+/* 802.11 core specific TM State Low (SSB_TMSLOW) flags */
#define B43_TMSLOW_GMODE 0x20000000 /* G Mode Enable */
-#define B43_TMSLOW_PLLREFSEL 0x00200000 /* PLL Frequency Reference Select */
+#define B43_TMSLOW_PHYCLKSPEED 0x00C00000 /* PHY clock speed mask (N-PHY only) */
+#define B43_TMSLOW_PHYCLKSPEED_40MHZ 0x00000000 /* 40 MHz PHY */
+#define B43_TMSLOW_PHYCLKSPEED_80MHZ 0x00400000 /* 80 MHz PHY */
+#define B43_TMSLOW_PHYCLKSPEED_160MHZ 0x00800000 /* 160 MHz PHY */
+#define B43_TMSLOW_PLLREFSEL 0x00200000 /* PLL Frequency Reference Select (rev >= 5) */
#define B43_TMSLOW_MACPHYCLKEN 0x00100000 /* MAC PHY Clock Control Enable (rev >= 5) */
#define B43_TMSLOW_PHYRESET 0x00080000 /* PHY Reset */
#define B43_TMSLOW_PHYCLKEN 0x00040000 /* PHY Clock Enable */
-/* 802.11 core specific TM State High flags */
+/* 802.11 core specific TM State High (SSB_TMSHIGH) flags */
+#define B43_TMSHIGH_DUALBAND_PHY 0x00080000 /* Dualband PHY available */
#define B43_TMSHIGH_FCLOCK 0x00040000 /* Fast Clock Available (rev >= 5) */
-#define B43_TMSHIGH_APHY 0x00020000 /* A-PHY available (rev >= 5) */
-#define B43_TMSHIGH_GPHY 0x00010000 /* G-PHY available (rev >= 5) */
+#define B43_TMSHIGH_HAVE_5GHZ_PHY 0x00020000 /* 5 GHz PHY available (rev >= 5) */
+#define B43_TMSHIGH_HAVE_2GHZ_PHY 0x00010000 /* 2.4 GHz PHY available (rev >= 5) */
/* Generic-Interrupt reasons. */
#define B43_IRQ_MAC_SUSPENDED 0x00000001
#define B43_DEFAULT_SHORT_RETRY_LIMIT 7
#define B43_DEFAULT_LONG_RETRY_LIMIT 4
+#define B43_PHY_TX_BADNESS_LIMIT 1000
+
/* Max size of a security key */
#define B43_SEC_KEYSIZE 16
/* Security algorithms. */
} __attribute__((__packed__));
-#define B43_PHYMODE(phytype) (1 << (phytype))
-#define B43_PHYMODE_A B43_PHYMODE(B43_PHYTYPE_A)
-#define B43_PHYMODE_B B43_PHYMODE(B43_PHYTYPE_B)
-#define B43_PHYMODE_G B43_PHYMODE(B43_PHYTYPE_G)
-
struct b43_phy {
- /* Possible PHYMODEs on this PHY */
- u8 possible_phymodes;
+ /* Band support flags. */
+ bool supports_2ghz;
+ bool supports_5ghz;
+
/* GMODE bit enabled? */
bool gmode;
- /* Possible ieee80211 subsystem hwmodes for this PHY.
- * Which mode is selected, depends on thr GMODE enabled bit */
-#define B43_MAX_PHYHWMODES 2
- struct ieee80211_hw_mode hwmodes[B43_MAX_PHYHWMODES];
/* Analog Type */
u8 analog;
u16 radio_ver; /* Radio version */
u8 radio_rev; /* Radio revision */
- bool locked; /* Only used in b43_phy_{un}lock() */
bool dyn_tssi_tbl; /* tssi2dbm is kmalloc()ed. */
/* ACI (adjacent channel interference) flags. */
s16 lna_gain; /* LNA */
s16 pga_gain; /* PGA */
- /* PHY lock for core.rev < 3
- * This lock is only used by b43_phy_{un}lock()
- */
- spinlock_t lock;
-
/* Desired TX power level (in dBm).
* This is set by the user and adjusted in b43_phy_xmitpower(). */
u8 power_level;
struct b43_bbatt bbatt;
struct b43_rfatt rfatt;
u8 tx_control; /* B43_TXCTL_XXX */
-#ifdef CONFIG_B43_DEBUG
- bool manual_txpower_control; /* Manual TX-power control enabled? */
-#endif
+
/* Hardware Power Control enabled? */
bool hardware_power_control;
u16 lofcal;
u16 initval; //FIXME rename?
+
+ /* PHY TX errors counter. */
+ atomic_t txerr_cnt;
+
+ /* The device does address auto increment for the OFDM tables.
+ * We cache the previously used address here and omit the address
+ * write on the next table access, if possible. */
+ u16 ofdmtab_addr; /* The address currently set in hardware. */
+ enum { /* The last data flow direction. */
+ B43_OFDMTAB_DIRECTION_UNKNOWN = 0,
+ B43_OFDMTAB_DIRECTION_READ,
+ B43_OFDMTAB_DIRECTION_WRITE,
+ } ofdmtab_addr_direction;
+
+#if B43_DEBUG
+ /* Manual TX-power control enabled? */
+ bool manual_txpower_control;
+ /* PHY registers locked by b43_phy_lock()? */
+ bool phy_locked;
+#endif /* B43_DEBUG */
};
/* Data structures for DMA transmission, per 80211 core. */
struct b43_dmaring *rx_ring3; /* only available on core.rev < 5 */
};
-/* Data structures for PIO transmission, per 80211 core. */
-struct b43_pio {
- struct b43_pioqueue *queue0;
- struct b43_pioqueue *queue1;
- struct b43_pioqueue *queue2;
- struct b43_pioqueue *queue3;
-};
-
/* Context information for a noise calculation (Link Quality). */
struct b43_noise_calculation {
u8 channel_at_start;
u8 algorithm;
};
+/* SHM offsets to the QOS data structures for the 4 different queues. */
+#define B43_QOS_PARAMS(queue) (B43_SHM_SH_EDCFQ + \
+ (B43_NR_QOSPARAMS * sizeof(u16) * (queue)))
+#define B43_QOS_BACKGROUND B43_QOS_PARAMS(0)
+#define B43_QOS_BESTEFFORT B43_QOS_PARAMS(1)
+#define B43_QOS_VIDEO B43_QOS_PARAMS(2)
+#define B43_QOS_VOICE B43_QOS_PARAMS(3)
+
+/* QOS parameter hardware data structure offsets. */
+#define B43_NR_QOSPARAMS 22
+enum {
+ B43_QOSPARAM_TXOP = 0,
+ B43_QOSPARAM_CWMIN,
+ B43_QOSPARAM_CWMAX,
+ B43_QOSPARAM_CWCUR,
+ B43_QOSPARAM_AIFS,
+ B43_QOSPARAM_BSLOTS,
+ B43_QOSPARAM_REGGAP,
+ B43_QOSPARAM_STATUS,
+};
+
+/* QOS parameters for a queue. */
+struct b43_qos_params {
+ /* The QOS parameters */
+ struct ieee80211_tx_queue_params p;
+ /* Does this need to get uploaded to hardware? */
+ bool need_hw_update;
+};
+
struct b43_wldev;
/* Data structure for the WLAN parts (802.11 cores) of the b43 chip. */
/* Pointer to the ieee80211 hardware data structure */
struct ieee80211_hw *hw;
- spinlock_t irq_lock;
struct mutex mutex;
+ spinlock_t irq_lock;
+ /* Lock for LEDs access. */
spinlock_t leds_lock;
+ /* Lock for SHM access. */
+ spinlock_t shm_lock;
/* We can only have one operating interface (802.11 core)
* at a time. General information about this interface follows.
*/
- /* Opaque ID of the operating interface from the ieee80211
- * subsystem. Do not modify.
- */
- int if_id;
+ struct ieee80211_vif *vif;
/* The MAC address of the operating interface. */
u8 mac_addr[ETH_ALEN];
/* Current BSSID */
/* List of all wireless devices on this chip */
struct list_head devlist;
u8 nr_devs;
+
+ bool radiotap_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;
+
+ /* The current QOS parameters for the 4 queues.
+ * This is protected by the irq_lock. */
+ struct b43_qos_params qos_params[4];
+ /* Workqueue for updating QOS parameters in hardware. */
+ struct work_struct qos_update_work;
+};
+
+/* In-memory representation of a cached microcode file. */
+struct b43_firmware_file {
+ const char *filename;
+ const struct firmware *data;
};
/* Pointers to the firmware data and meta information about it. */
struct b43_firmware {
/* Microcode */
- const struct firmware *ucode;
+ struct b43_firmware_file ucode;
/* PCM code */
- const struct firmware *pcm;
+ struct b43_firmware_file pcm;
/* Initial MMIO values for the firmware */
- const struct firmware *initvals;
+ struct b43_firmware_file initvals;
/* Initial MMIO values for the firmware, band-specific */
- const struct firmware *initvals_band;
+ struct b43_firmware_file initvals_band;
+
/* Firmware revision */
u16 rev;
/* Firmware patchlevel */
/* Saved init status for handling suspend. */
int suspend_init_status;
- bool __using_pio; /* Internal, use b43_using_pio(). */
bool bad_frames_preempt; /* Use "Bad Frames Preemption" (default off) */
- bool reg124_set_0x4; /* Some variable to keep track of IRQ stuff. */
- bool short_preamble; /* TRUE, if short preamble is enabled. */
+ bool dfq_valid; /* Directed frame queue valid (IBSS PS mode, ATIM) */
bool short_slot; /* TRUE, if short slot timing is enabled. */
bool radio_hw_enable; /* saved state of radio hardware enabled state */
+ bool suspend_in_progress; /* TRUE, if we are in a suspend/resume cycle */
/* PHY/Radio device. */
struct b43_phy phy;
- union {
- /* DMA engines. */
- struct b43_dma dma;
- /* PIO engines. */
- struct b43_pio pio;
- };
+
+ /* DMA engines. */
+ struct b43_dma dma;
/* Various statistics about the physical device. */
struct b43_stats stats;
u8 max_nr_keys;
struct b43_key key[58];
- /* Cached beacon template while uploading the template. */
- struct sk_buff *cached_beacon;
-
/* Firmware data */
struct b43_firmware fw;
return hw->priv;
}
-/* Helper function, which returns a boolean.
- * TRUE, if PIO is used; FALSE, if DMA is used.
- */
-#if defined(CONFIG_B43_DMA) && defined(CONFIG_B43_PIO)
-static inline int b43_using_pio(struct b43_wldev *dev)
-{
- return dev->__using_pio;
-}
-#elif defined(CONFIG_B43_DMA)
-static inline int b43_using_pio(struct b43_wldev *dev)
-{
- return 0;
-}
-#elif defined(CONFIG_B43_PIO)
-static inline int b43_using_pio(struct b43_wldev *dev)
-{
- return 1;
-}
-#else
-# error "Using neither DMA nor PIO? Confused..."
-#endif
-
static inline struct b43_wldev *dev_to_b43_wldev(struct device *dev)
{
struct ssb_device *ssb_dev = dev_to_ssb_dev(dev);
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