korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-29 22:14:41 +08:00
Code Issues Packages Projects Releases Wiki Activity
bb8c093bde
linux/drivers/net/wireless/b43/b43.h
Stefano Brivio 61bca6eb85 b43: rewrite A PHY initialization 
Rewrite and sync A PHY initialization with specs, thus allowing for further
work to be done on 802.11a support. Note that A PHY initialization involves
G PHYs as well.

Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it>
Acked-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-01-28 15:04:31 -08:00

861 lines
29 KiB
C
Raw Blame History

#ifndef B43_H_
#define B43_H_
#include <linux/kernel.h>
#include <linux/spinlock.h>
#include <linux/interrupt.h>
#include <linux/hw_random.h>
#include <linux/ssb/ssb.h>
#include <net/mac80211.h>
#include "debugfs.h"
#include "leds.h"
#include "rfkill.h"
#include "lo.h"
#include "phy.h"
#ifdef CONFIG_B43_DEBUG
# define B43_DEBUG 1
#else
# define B43_DEBUG 0
#endif
#define B43_RX_MAX_SSI 60
/* MMIO offsets */
#define B43_MMIO_DMA0_REASON 0x20
#define B43_MMIO_DMA0_IRQ_MASK 0x24
#define B43_MMIO_DMA1_REASON 0x28
#define B43_MMIO_DMA1_IRQ_MASK 0x2C
#define B43_MMIO_DMA2_REASON 0x30
#define B43_MMIO_DMA2_IRQ_MASK 0x34
#define B43_MMIO_DMA3_REASON 0x38
#define B43_MMIO_DMA3_IRQ_MASK 0x3C
#define B43_MMIO_DMA4_REASON 0x40
#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_GEN_IRQ_REASON 0x128
#define B43_MMIO_GEN_IRQ_MASK 0x12C
#define B43_MMIO_RAM_CONTROL 0x130
#define B43_MMIO_RAM_DATA 0x134
#define B43_MMIO_PS_STATUS 0x140
#define B43_MMIO_RADIO_HWENABLED_HI 0x158
#define B43_MMIO_SHM_CONTROL 0x160
#define B43_MMIO_SHM_DATA 0x164
#define B43_MMIO_SHM_DATA_UNALIGNED 0x166
#define B43_MMIO_XMITSTAT_0 0x170
#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 */
/* 32-bit DMA */
#define B43_MMIO_DMA32_BASE0 0x200
#define B43_MMIO_DMA32_BASE1 0x220
#define B43_MMIO_DMA32_BASE2 0x240
#define B43_MMIO_DMA32_BASE3 0x260
#define B43_MMIO_DMA32_BASE4 0x280
#define B43_MMIO_DMA32_BASE5 0x2A0
/* 64-bit DMA */
#define B43_MMIO_DMA64_BASE0 0x200
#define B43_MMIO_DMA64_BASE1 0x240
#define B43_MMIO_DMA64_BASE2 0x280
#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_PHY0 0x3E6
#define B43_MMIO_ANTENNA 0x3E8
#define B43_MMIO_CHANNEL 0x3F0
#define B43_MMIO_CHANNEL_EXT 0x3F4
#define B43_MMIO_RADIO_CONTROL 0x3F6
#define B43_MMIO_RADIO_DATA_HIGH 0x3F8
#define B43_MMIO_RADIO_DATA_LOW 0x3FA
#define B43_MMIO_PHY_CONTROL 0x3FC
#define B43_MMIO_PHY_DATA 0x3FE
#define B43_MMIO_MACFILTER_CONTROL 0x420
#define B43_MMIO_MACFILTER_DATA 0x422
#define B43_MMIO_RCMTA_COUNT 0x43C
#define B43_MMIO_RADIO_HWENABLED_LO 0x49A
#define B43_MMIO_GPIO_CONTROL 0x49C
#define B43_MMIO_GPIO_MASK 0x49E
#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_POWERUP_DELAY 0x6A8
/* SPROM boardflags_lo values */
#define B43_BFL_BTCOEXIST 0x0001 /* implements Bluetooth coexistance */
#define B43_BFL_PACTRL 0x0002 /* GPIO 9 controlling the PA */
#define B43_BFL_AIRLINEMODE 0x0004 /* implements GPIO 13 radio disable indication */
#define B43_BFL_RSSI 0x0008 /* software calculates nrssi slope. */
#define B43_BFL_ENETSPI 0x0010 /* has ephy roboswitch spi */
#define B43_BFL_XTAL_NOSLOW 0x0020 /* no slow clock available */
#define B43_BFL_CCKHIPWR 0x0040 /* can do high power CCK transmission */
#define B43_BFL_ENETADM 0x0080 /* has ADMtek switch */
#define B43_BFL_ENETVLAN 0x0100 /* can do vlan */
#define B43_BFL_AFTERBURNER 0x0200 /* supports Afterburner mode */
#define B43_BFL_NOPCI 0x0400 /* leaves PCI floating */
#define B43_BFL_FEM 0x0800 /* supports the Front End Module */
#define B43_BFL_EXTLNA 0x1000 /* has an external LNA */
#define B43_BFL_HGPA 0x2000 /* had high gain PA */
#define B43_BFL_BTCMOD 0x4000 /* BFL_BTCOEXIST is given in alternate GPIOs */
#define B43_BFL_ALTIQ 0x8000 /* alternate I/Q settings */
/* GPIO register offset, in both ChipCommon and PCI core. */
#define B43_GPIO_CONTROL 0x6c
/* SHM Routing */
enum {
B43_SHM_UCODE, /* Microcode memory */
B43_SHM_SHARED, /* Shared memory */
B43_SHM_SCRATCH, /* Scratch memory */
B43_SHM_HW, /* Internal hardware register */
B43_SHM_RCMTA, /* Receive match transmitter address (rev >= 5 only) */
};
/* SHM Routing modifiers */
#define B43_SHM_AUTOINC_R 0x0200 /* Auto-increment address on read */
#define B43_SHM_AUTOINC_W 0x0100 /* Auto-increment address on write */
#define B43_SHM_AUTOINC_RW (B43_SHM_AUTOINC_R | \
B43_SHM_AUTOINC_W)
/* Misc SHM_SHARED offsets */
#define B43_SHM_SH_WLCOREREV 0x0016 /* 802.11 core revision */
#define B43_SHM_SH_PCTLWDPOS 0x0008
#define B43_SHM_SH_RXPADOFF 0x0034 /* RX Padding data offset (PIO only) */
#define B43_SHM_SH_PHYVER 0x0050 /* PHY version */
#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_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_RFRXSP1 0x0072 /* RF RX SP Register 1 */
#define B43_SHM_SH_CHAN 0x00A0 /* Current channel (low 8bit only) */
#define B43_SHM_SH_CHAN_5GHZ 0x0100 /* Bit set, if 5Ghz channel */
#define B43_SHM_SH_BCMCFIFOID 0x0108 /* Last posted cookie to the bcast/mcast FIFO */
/* SHM_SHARED TX FIFO variables */
#define B43_SHM_SH_SIZE01 0x0098 /* TX FIFO size for FIFO 0 (low) and 1 (high) */
#define B43_SHM_SH_SIZE23 0x009A /* TX FIFO size for FIFO 2 and 3 */
#define B43_SHM_SH_SIZE45 0x009C /* TX FIFO size for FIFO 4 and 5 */
#define B43_SHM_SH_SIZE67 0x009E /* TX FIFO size for FIFO 6 and 7 */
/* SHM_SHARED background noise */
#define B43_SHM_SH_JSSI0 0x0088 /* Measure JSSI 0 */
#define B43_SHM_SH_JSSI1 0x008A /* Measure JSSI 1 */
#define B43_SHM_SH_JSSIAUX 0x008C /* Measure JSSI AUX */
/* SHM_SHARED crypto engine */
#define B43_SHM_SH_DEFAULTIV 0x003C /* Default IV location */
#define B43_SHM_SH_NRRXTRANS 0x003E /* # of soft RX transmitter addresses (max 8) */
#define B43_SHM_SH_KTP 0x0056 /* Key table pointer */
#define B43_SHM_SH_TKIPTSCTTAK 0x0318
#define B43_SHM_SH_KEYIDXBLOCK 0x05D4 /* Key index/algorithm block (v4 firmware) */
#define B43_SHM_SH_PSM 0x05F4 /* PSM transmitter address match block (rev < 5) */
/* SHM_SHARED WME variables */
#define B43_SHM_SH_EDCFSTAT 0x000E /* EDCF status */
#define B43_SHM_SH_TXFCUR 0x0030 /* TXF current index */
#define B43_SHM_SH_EDCFQ 0x0240 /* EDCF Q info */
/* SHM_SHARED powersave mode related */
#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 */
#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_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) */
/* 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_SHM_SH_PRSSID 0x0160 /* Probe Response SSID */
#define B43_SHM_SH_PRSSIDLEN 0x0048 /* Probe Response SSID length */
#define B43_SHM_SH_PRTLEN 0x004A /* Probe Response template length */
#define B43_SHM_SH_PRMAXTIME 0x0074 /* Probe Response max time */
#define B43_SHM_SH_PRPHYCTL 0x0188 /* Probe Response PHY TX control word */
/* SHM_SHARED rate tables */
#define B43_SHM_SH_OFDMDIRECT 0x01C0 /* Pointer to OFDM direct map */
#define B43_SHM_SH_OFDMBASIC 0x01E0 /* Pointer to OFDM basic rate map */
#define B43_SHM_SH_CCKDIRECT 0x0200 /* Pointer to CCK direct map */
#define B43_SHM_SH_CCKBASIC 0x0220 /* Pointer to CCK basic rate map */
/* SHM_SHARED microcode soft registers */
#define B43_SHM_SH_UCODEREV 0x0000 /* Microcode revision */
#define B43_SHM_SH_UCODEPATCH 0x0002 /* Microcode patchlevel */
#define B43_SHM_SH_UCODEDATE 0x0004 /* Microcode date */
#define B43_SHM_SH_UCODETIME 0x0006 /* Microcode time */
#define B43_SHM_SH_UCODESTAT 0x0040 /* Microcode debug status code */
#define B43_SHM_SH_UCODESTAT_INVALID 0
#define B43_SHM_SH_UCODESTAT_INIT 1
#define B43_SHM_SH_UCODESTAT_ACTIVE 2
#define B43_SHM_SH_UCODESTAT_SUSP 3 /* suspended */
#define B43_SHM_SH_UCODESTAT_SLEEP 4 /* asleep (PS) */
#define B43_SHM_SH_MAXBFRAMES 0x0080 /* Maximum number of frames in a burst */
#define B43_SHM_SH_SPUWKUP 0x0094 /* pre-wakeup for synth PU in us */
#define B43_SHM_SH_PRETBTT 0x0096 /* pre-TBTT in us */
/* SHM_SCRATCH offsets */
#define B43_SHM_SC_MINCONT 0x0003 /* Minimum contention window */
#define B43_SHM_SC_MAXCONT 0x0004 /* Maximum contention window */
#define B43_SHM_SC_CURCONT 0x0005 /* Current contention window */
#define B43_SHM_SC_SRLIMIT 0x0006 /* Short retry count limit */
#define B43_SHM_SC_LRLIMIT 0x0007 /* Long retry count limit */
#define B43_SHM_SC_DTIMC 0x0008 /* Current DTIM count */
#define B43_SHM_SC_BTL0LEN 0x0015 /* Beacon 0 template length */
#define B43_SHM_SC_BTL1LEN 0x0016 /* Beacon 1 template length */
#define B43_SHM_SC_SCFB 0x0017 /* Short frame transmit count threshold for rate fallback */
#define B43_SHM_SC_LCFB 0x0018 /* Long frame transmit count threshold for rate fallback */
/* Hardware Radio Enable masks */
#define B43_MMIO_RADIO_HWENABLED_HI_MASK (1 << 16)
#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 */
/* MacFilter offsets. */
#define B43_MACFILTER_SELF 0x0000
#define B43_MACFILTER_BSSID 0x0003
/* PowerControl */
#define B43_PCTL_IN 0xB0
#define B43_PCTL_OUT 0xB4
#define B43_PCTL_OUTENABLE 0xB8
#define B43_PCTL_XTAL_POWERUP 0x40
#define B43_PCTL_PLL_POWERDOWN 0x80
/* PowerControl Clock Modes */
#define B43_PCTL_CLK_FAST 0x00
#define B43_PCTL_CLK_SLOW 0x01
#define B43_PCTL_CLK_DYNAMIC 0x02
#define B43_PCTL_FORCE_SLOW 0x0800
#define B43_PCTL_FORCE_PLL 0x1000
#define B43_PCTL_DYN_XTAL 0x2000
/* PHYVersioning */
#define B43_PHYTYPE_A 0x00
#define B43_PHYTYPE_B 0x01
#define B43_PHYTYPE_G 0x02
#define B43_PHYTYPE_N 0x04
#define B43_PHYTYPE_LP 0x05
/* PHYRegisters */
#define B43_PHY_ILT_A_CTRL 0x0072
#define B43_PHY_ILT_A_DATA1 0x0073
#define B43_PHY_ILT_A_DATA2 0x0074
#define B43_PHY_G_LO_CONTROL 0x0810
#define B43_PHY_ILT_G_CTRL 0x0472
#define B43_PHY_ILT_G_DATA1 0x0473
#define B43_PHY_ILT_G_DATA2 0x0474
#define B43_PHY_A_PCTL 0x007B
#define B43_PHY_G_PCTL 0x0029
#define B43_PHY_A_CRS 0x0029
#define B43_PHY_RADIO_BITFIELD 0x0401
#define B43_PHY_G_CRS 0x0429
#define B43_PHY_NRSSILT_CTRL 0x0803
#define B43_PHY_NRSSILT_DATA 0x0804
/* RadioRegisters */
#define B43_RADIOCTL_ID 0x01
/* MAC Control bitfield */
#define B43_MACCTL_ENABLED 0x00000001 /* MAC Enabled */
#define B43_MACCTL_PSM_RUN 0x00000002 /* Run Microcode */
#define B43_MACCTL_PSM_JMP0 0x00000004 /* Microcode jump to 0 */
#define B43_MACCTL_SHM_ENABLED 0x00000100 /* SHM Enabled */
#define B43_MACCTL_SHM_UPPER 0x00000200 /* SHM Upper */
#define B43_MACCTL_IHR_ENABLED 0x00000400 /* IHR Region Enabled */
#define B43_MACCTL_PSM_DBG 0x00002000 /* Microcode debugging enabled */
#define B43_MACCTL_GPOUTSMSK 0x0000C000 /* GPOUT Select Mask */
#define B43_MACCTL_BE 0x00010000 /* Big Endian mode */
#define B43_MACCTL_INFRA 0x00020000 /* Infrastructure mode */
#define B43_MACCTL_AP 0x00040000 /* AccessPoint mode */
#define B43_MACCTL_RADIOLOCK 0x00080000 /* Radio lock */
#define B43_MACCTL_BEACPROMISC 0x00100000 /* Beacon Promiscuous */
#define B43_MACCTL_KEEP_BADPLCP 0x00200000 /* Keep frames with bad PLCP */
#define B43_MACCTL_KEEP_CTL 0x00400000 /* Keep control frames */
#define B43_MACCTL_KEEP_BAD 0x00800000 /* Keep bad frames (FCS) */
#define B43_MACCTL_PROMISC 0x01000000 /* Promiscuous mode */
#define B43_MACCTL_HWPS 0x02000000 /* Hardware Power Saving */
#define B43_MACCTL_AWAKE 0x04000000 /* Device is awake */
#define B43_MACCTL_CLOSEDNET 0x08000000 /* Closed net (no SSID bcast) */
#define B43_MACCTL_TBTTHOLD 0x10000000 /* TBTT Hold */
#define B43_MACCTL_DISCTXSTAT 0x20000000 /* Discard TX status */
#define B43_MACCTL_DISCPMQ 0x40000000 /* Discard Power Management Queue */
#define B43_MACCTL_GMODE 0x80000000 /* G Mode */
/* 802.11 core specific TM State Low flags */
#define B43_TMSLOW_GMODE 0x20000000 /* G Mode Enable */
#define B43_TMSLOW_PLLREFSEL 0x00200000 /* PLL Frequency Reference Select */
#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 */
#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) */
/* Generic-Interrupt reasons. */
#define B43_IRQ_MAC_SUSPENDED 0x00000001
#define B43_IRQ_BEACON 0x00000002
#define B43_IRQ_TBTT_INDI 0x00000004
#define B43_IRQ_BEACON_TX_OK 0x00000008
#define B43_IRQ_BEACON_CANCEL 0x00000010
#define B43_IRQ_ATIM_END 0x00000020
#define B43_IRQ_PMQ 0x00000040
#define B43_IRQ_PIO_WORKAROUND 0x00000100
#define B43_IRQ_MAC_TXERR 0x00000200
#define B43_IRQ_PHY_TXERR 0x00000800
#define B43_IRQ_PMEVENT 0x00001000
#define B43_IRQ_TIMER0 0x00002000
#define B43_IRQ_TIMER1 0x00004000
#define B43_IRQ_DMA 0x00008000
#define B43_IRQ_TXFIFO_FLUSH_OK 0x00010000
#define B43_IRQ_CCA_MEASURE_OK 0x00020000
#define B43_IRQ_NOISESAMPLE_OK 0x00040000
#define B43_IRQ_UCODE_DEBUG 0x08000000
#define B43_IRQ_RFKILL 0x10000000
#define B43_IRQ_TX_OK 0x20000000
#define B43_IRQ_PHY_G_CHANGED 0x40000000
#define B43_IRQ_TIMEOUT 0x80000000
#define B43_IRQ_ALL 0xFFFFFFFF
#define B43_IRQ_MASKTEMPLATE (B43_IRQ_MAC_SUSPENDED | \
B43_IRQ_BEACON | \
B43_IRQ_TBTT_INDI | \
B43_IRQ_ATIM_END | \
B43_IRQ_PMQ | \
B43_IRQ_MAC_TXERR | \
B43_IRQ_PHY_TXERR | \
B43_IRQ_DMA | \
B43_IRQ_TXFIFO_FLUSH_OK | \
B43_IRQ_NOISESAMPLE_OK | \
B43_IRQ_UCODE_DEBUG | \
B43_IRQ_RFKILL | \
B43_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 B43_CCK_RATE_1MB 0x02
#define B43_CCK_RATE_2MB 0x04
#define B43_CCK_RATE_5MB 0x0B
#define B43_CCK_RATE_11MB 0x16
#define B43_OFDM_RATE_6MB 0x0C
#define B43_OFDM_RATE_9MB 0x12
#define B43_OFDM_RATE_12MB 0x18
#define B43_OFDM_RATE_18MB 0x24
#define B43_OFDM_RATE_24MB 0x30
#define B43_OFDM_RATE_36MB 0x48
#define B43_OFDM_RATE_48MB 0x60
#define B43_OFDM_RATE_54MB 0x6C
/* Convert a b43 rate value to a rate in 100kbps */
#define B43_RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2)
#define B43_DEFAULT_SHORT_RETRY_LIMIT 7
#define B43_DEFAULT_LONG_RETRY_LIMIT 4
/* Max size of a security key */
#define B43_SEC_KEYSIZE 16
/* Security algorithms. */
enum {
B43_SEC_ALGO_NONE = 0, /* unencrypted, as of TX header. */
B43_SEC_ALGO_WEP40,
B43_SEC_ALGO_TKIP,
B43_SEC_ALGO_AES,
B43_SEC_ALGO_WEP104,
B43_SEC_ALGO_AES_LEGACY,
};
struct b43_dmaring;
struct b43_pioqueue;
/* The firmware file header */
#define B43_FW_TYPE_UCODE 'u'
#define B43_FW_TYPE_PCM 'p'
#define B43_FW_TYPE_IV 'i'
struct b43_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;
} __attribute__((__packed__));
/* Initial Value file format */
#define B43_IV_OFFSET_MASK 0x7FFF
#define B43_IV_32BIT 0x8000
struct b43_iv {
__be16 offset_size;
union {
__be16 d16;
__be32 d32;
} data __attribute__((__packed__));
} __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;
/* 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;
/* B43_PHYTYPE_ */
u8 type;
/* PHY revision number. */
u8 rev;
/* Radio versioning */
u16 radio_manuf; /* Radio manufacturer */
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. */
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];
/* TSSI to dBm table in use */
const s8 *tssi2dbm;
/* Target idle TSSI */
int tgt_idle_tssi;
/* Current idle TSSI */
int cur_idle_tssi;
/* LocalOscillator control values. */
struct b43_txpower_lo_control *lo_control;
/* Values from b43_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 */
/* 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;
/* A-PHY TX Power control value. */
u16 txpwr_offset;
/* Current TX power level attenuation control values */
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;
/* Current Interference Mitigation mode */
int interfmode;
/* Stack of saved values from the Interference Mitigation code.
* Each value in the stack is layed 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 B43_INTERFSTACK_SIZE 26
u32 interfstack[B43_INTERFSTACK_SIZE]; //FIXME: use a data structure
/* 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; //FIXME rename?
/* OFDM address read/write caching for hardware auto-increment. */
u16 ofdm_addr;
u8 ofdm_valid; /* 0: invalid, 1: read, 2: write */
};
/* Data structures for DMA transmission, per 80211 core. */
struct b43_dma {
struct b43_dmaring *tx_ring0;
struct b43_dmaring *tx_ring1;
struct b43_dmaring *tx_ring2;
struct b43_dmaring *tx_ring3;
struct b43_dmaring *tx_ring4;
struct b43_dmaring *tx_ring5;
struct b43_dmaring *rx_ring0;
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;
bool calculation_running;
u8 nr_samples;
s8 samples[8][4];
};
struct b43_stats {
u8 link_noise;
/* Store the last TX/RX times here for updating the leds. */
unsigned long last_tx;
unsigned long last_rx;
};
struct b43_key {
/* If keyconf is NULL, this key is disabled.
* keyconf is a cookie. Don't derefenrence it outside of the set_key
* path, because b43 doesn't own it. */
struct ieee80211_key_conf *keyconf;
u8 algorithm;
};
struct b43_wldev;
/* Data structure for the WLAN parts (802.11 cores) of the b43 chip. */
struct b43_wl {
/* Pointer to the active wireless device on this chip */
struct b43_wldev *current_dev;
/* Pointer to the ieee80211 hardware data structure */
struct ieee80211_hw *hw;
spinlock_t irq_lock;
struct mutex mutex;
spinlock_t leds_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;
/* The MAC address of the operating interface. */
u8 mac_addr[ETH_ALEN];
/* Current BSSID */
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;
struct hwrng rng;
u8 rng_initialized;
char rng_name[30 + 1];
/* The RF-kill button */
struct b43_rfkill rfkill;
/* List of all wireless devices on this chip */
struct list_head devlist;
u8 nr_devs;
};
/* Pointers to the firmware data and meta information about it. */
struct b43_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 {
B43_STAT_UNINIT = 0, /* Uninitialized. */
B43_STAT_INITIALIZED = 1, /* Initialized, but not started, yet. */
B43_STAT_STARTED = 2, /* Up and running. */
};
#define b43_status(wldev) atomic_read(&(wldev)->__init_status)
#define b43_set_status(wldev, stat) do { \
atomic_set(&(wldev)->__init_status, (stat)); \
smp_wmb(); \
} while (0)
/* XXX--- HOW LOCKING WORKS IN B43 ---XXX
*
* 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 b43_wldev {
struct ssb_device *dev;
struct b43_wl *wl;
/* The device initialization status.
* Use b43_status() to query. */
atomic_t __init_status;
/* 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 short_slot; /* TRUE, if short slot timing is enabled. */
bool radio_hw_enable; /* saved state of radio hardware enabled state */
/* PHY/Radio device. */
struct b43_phy phy;
union {
/* DMA engines. */
struct b43_dma dma;
/* PIO engines. */
struct b43_pio pio;
};
/* Various statistics about the physical device. */
struct b43_stats stats;
/* The device LEDs. */
struct b43_led led_tx;
struct b43_led led_rx;
struct b43_led led_assoc;
struct b43_led led_radio;
/* Reason code of the last interrupt. */
u32 irq_reason;
u32 dma_reason[6];
/* saved irq enable/disable state bitfield. */
u32 irq_savedstate;
/* Link Quality calculation context. */
struct b43_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 b43_key key[58];
/* Cached beacon template while uploading the template. */
struct sk_buff *cached_beacon;
/* Firmware data */
struct b43_firmware fw;
/* Devicelist in struct b43_wl (all 802.11 cores) */
struct list_head list;
/* Debugging stuff follows. */
#ifdef CONFIG_B43_DEBUG
struct b43_dfsentry *dfsentry;
#endif
};
static inline struct b43_wl *hw_to_b43_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_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);
return ssb_get_drvdata(ssb_dev);
}
/* Is the device operating in a specified mode (IEEE80211_IF_TYPE_XXX). */
static inline int b43_is_mode(struct b43_wl *wl, int type)
{
return (wl->operating && wl->if_type == type);
}
static inline u16 b43_read16(struct b43_wldev *dev, u16 offset)
{
return ssb_read16(dev->dev, offset);
}
static inline void b43_write16(struct b43_wldev *dev, u16 offset, u16 value)
{
ssb_write16(dev->dev, offset, value);
}
static inline u32 b43_read32(struct b43_wldev *dev, u16 offset)
{
return ssb_read32(dev->dev, offset);
}
static inline void b43_write32(struct b43_wldev *dev, u16 offset, u32 value)
{
ssb_write32(dev->dev, offset, value);
}
/* Message printing */
void b43info(struct b43_wl *wl, const char *fmt, ...)
__attribute__ ((format(printf, 2, 3)));
void b43err(struct b43_wl *wl, const char *fmt, ...)
__attribute__ ((format(printf, 2, 3)));
void b43warn(struct b43_wl *wl, const char *fmt, ...)
__attribute__ ((format(printf, 2, 3)));
#if B43_DEBUG
void b43dbg(struct b43_wl *wl, const char *fmt, ...)
__attribute__ ((format(printf, 2, 3)));
#else /* DEBUG */
# define b43dbg(wl, fmt...) do { /* nothing */ } while (0)
#endif /* DEBUG */
/* A WARN_ON variant that vanishes when b43 debugging is disabled.
* This _also_ evaluates the arg with debugging disabled. */
#if B43_DEBUG
# define B43_WARN_ON(x) WARN_ON(x)
#else
static inline bool __b43_warn_on_dummy(bool x) { return x; }
# define B43_WARN_ON(x) __b43_warn_on_dummy(unlikely(!!(x)))
#endif
/** Limit a value between two limits */
#ifdef limit_value
# undef limit_value
#endif
#define limit_value(value, min, max) \
({ \
typeof(value) __value = (value); \
typeof(value) __min = (min); \
typeof(value) __max = (max); \
if (__value < __min) \
__value = __min; \
else if (__value > __max) \
__value = __max; \
__value; \
})
/* Convert an integer to a Q5.2 value */
#define INT_TO_Q52(i) ((i) << 2)
/* Convert a Q5.2 value to an integer (precision loss!) */
#define Q52_TO_INT(q52) ((q52) >> 2)
/* Macros for printing a value in Q5.2 format */
#define Q52_FMT "%u.%u"
#define Q52_ARG(q52) Q52_TO_INT(q52), ((((q52) & 0x3) * 100) / 4)
#endif /* B43_H_ */
Reference in New Issue View Git Blame Copy Permalink