1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef B43legacy_H_ 3#define B43legacy_H_ 4 5#include <linux/hw_random.h> 6#include <linux/kernel.h> 7#include <linux/spinlock.h> 8#include <linux/interrupt.h> 9#include <linux/stringify.h> 10#include <linux/netdevice.h> 11#include <linux/pci.h> 12#include <linux/atomic.h> 13#include <linux/io.h> 14 15#include <linux/ssb/ssb.h> 16#include <linux/ssb/ssb_driver_chipcommon.h> 17#include <linux/completion.h> 18 19#include <net/mac80211.h> 20 21#include "debugfs.h" 22#include "leds.h" 23#include "rfkill.h" 24#include "phy.h" 25 26 27#define B43legacy_IRQWAIT_MAX_RETRIES 20 28 29/* MMIO offsets */ 30#define B43legacy_MMIO_DMA0_REASON 0x20 31#define B43legacy_MMIO_DMA0_IRQ_MASK 0x24 32#define B43legacy_MMIO_DMA1_REASON 0x28 33#define B43legacy_MMIO_DMA1_IRQ_MASK 0x2C 34#define B43legacy_MMIO_DMA2_REASON 0x30 35#define B43legacy_MMIO_DMA2_IRQ_MASK 0x34 36#define B43legacy_MMIO_DMA3_REASON 0x38 37#define B43legacy_MMIO_DMA3_IRQ_MASK 0x3C 38#define B43legacy_MMIO_DMA4_REASON 0x40 39#define B43legacy_MMIO_DMA4_IRQ_MASK 0x44 40#define B43legacy_MMIO_DMA5_REASON 0x48 41#define B43legacy_MMIO_DMA5_IRQ_MASK 0x4C 42#define B43legacy_MMIO_MACCTL 0x120 /* MAC control */ 43#define B43legacy_MMIO_MACCMD 0x124 /* MAC command */ 44#define B43legacy_MMIO_GEN_IRQ_REASON 0x128 45#define B43legacy_MMIO_GEN_IRQ_MASK 0x12C 46#define B43legacy_MMIO_RAM_CONTROL 0x130 47#define B43legacy_MMIO_RAM_DATA 0x134 48#define B43legacy_MMIO_PS_STATUS 0x140 49#define B43legacy_MMIO_RADIO_HWENABLED_HI 0x158 50#define B43legacy_MMIO_SHM_CONTROL 0x160 51#define B43legacy_MMIO_SHM_DATA 0x164 52#define B43legacy_MMIO_SHM_DATA_UNALIGNED 0x166 53#define B43legacy_MMIO_XMITSTAT_0 0x170 54#define B43legacy_MMIO_XMITSTAT_1 0x174 55#define B43legacy_MMIO_REV3PLUS_TSF_LOW 0x180 /* core rev >= 3 only */ 56#define B43legacy_MMIO_REV3PLUS_TSF_HIGH 0x184 /* core rev >= 3 only */ 57#define B43legacy_MMIO_TSF_CFP_REP 0x188 58#define B43legacy_MMIO_TSF_CFP_START 0x18C 59/* 32-bit DMA */ 60#define B43legacy_MMIO_DMA32_BASE0 0x200 61#define B43legacy_MMIO_DMA32_BASE1 0x220 62#define B43legacy_MMIO_DMA32_BASE2 0x240 63#define B43legacy_MMIO_DMA32_BASE3 0x260 64#define B43legacy_MMIO_DMA32_BASE4 0x280 65#define B43legacy_MMIO_DMA32_BASE5 0x2A0 66/* 64-bit DMA */ 67#define B43legacy_MMIO_DMA64_BASE0 0x200 68#define B43legacy_MMIO_DMA64_BASE1 0x240 69#define B43legacy_MMIO_DMA64_BASE2 0x280 70#define B43legacy_MMIO_DMA64_BASE3 0x2C0 71#define B43legacy_MMIO_DMA64_BASE4 0x300 72#define B43legacy_MMIO_DMA64_BASE5 0x340 73/* PIO */ 74#define B43legacy_MMIO_PIO1_BASE 0x300 75#define B43legacy_MMIO_PIO2_BASE 0x310 76#define B43legacy_MMIO_PIO3_BASE 0x320 77#define B43legacy_MMIO_PIO4_BASE 0x330 78 79#define B43legacy_MMIO_PHY_VER 0x3E0 80#define B43legacy_MMIO_PHY_RADIO 0x3E2 81#define B43legacy_MMIO_PHY0 0x3E6 82#define B43legacy_MMIO_ANTENNA 0x3E8 83#define B43legacy_MMIO_CHANNEL 0x3F0 84#define B43legacy_MMIO_CHANNEL_EXT 0x3F4 85#define B43legacy_MMIO_RADIO_CONTROL 0x3F6 86#define B43legacy_MMIO_RADIO_DATA_HIGH 0x3F8 87#define B43legacy_MMIO_RADIO_DATA_LOW 0x3FA 88#define B43legacy_MMIO_PHY_CONTROL 0x3FC 89#define B43legacy_MMIO_PHY_DATA 0x3FE 90#define B43legacy_MMIO_MACFILTER_CONTROL 0x420 91#define B43legacy_MMIO_MACFILTER_DATA 0x422 92#define B43legacy_MMIO_RCMTA_COUNT 0x43C /* Receive Match Transmitter Addr */ 93#define B43legacy_MMIO_RADIO_HWENABLED_LO 0x49A 94#define B43legacy_MMIO_GPIO_CONTROL 0x49C 95#define B43legacy_MMIO_GPIO_MASK 0x49E 96#define B43legacy_MMIO_TSF_CFP_PRETBTT 0x612 97#define B43legacy_MMIO_TSF_0 0x632 /* core rev < 3 only */ 98#define B43legacy_MMIO_TSF_1 0x634 /* core rev < 3 only */ 99#define B43legacy_MMIO_TSF_2 0x636 /* core rev < 3 only */ 100#define B43legacy_MMIO_TSF_3 0x638 /* core rev < 3 only */ 101#define B43legacy_MMIO_RNG 0x65A 102#define B43legacy_MMIO_POWERUP_DELAY 0x6A8 103 104/* SPROM boardflags_lo values */ 105#define B43legacy_BFL_PACTRL 0x0002 106#define B43legacy_BFL_RSSI 0x0008 107#define B43legacy_BFL_EXTLNA 0x1000 108 109/* GPIO register offset, in both ChipCommon and PCI core. */ 110#define B43legacy_GPIO_CONTROL 0x6c 111 112/* SHM Routing */ 113#define B43legacy_SHM_SHARED 0x0001 114#define B43legacy_SHM_WIRELESS 0x0002 115#define B43legacy_SHM_HW 0x0004 116#define B43legacy_SHM_UCODE 0x0300 117 118/* SHM Routing modifiers */ 119#define B43legacy_SHM_AUTOINC_R 0x0200 /* Read Auto-increment */ 120#define B43legacy_SHM_AUTOINC_W 0x0100 /* Write Auto-increment */ 121#define B43legacy_SHM_AUTOINC_RW (B43legacy_SHM_AUTOINC_R | \ 122 B43legacy_SHM_AUTOINC_W) 123 124/* Misc SHM_SHARED offsets */ 125#define B43legacy_SHM_SH_WLCOREREV 0x0016 /* 802.11 core revision */ 126#define B43legacy_SHM_SH_HOSTFLO 0x005E /* Hostflags ucode opts (low) */ 127#define B43legacy_SHM_SH_HOSTFHI 0x0060 /* Hostflags ucode opts (high) */ 128/* SHM_SHARED crypto engine */ 129#define B43legacy_SHM_SH_KEYIDXBLOCK 0x05D4 /* Key index/algorithm block */ 130/* SHM_SHARED beacon/AP variables */ 131#define B43legacy_SHM_SH_DTIMP 0x0012 /* DTIM period */ 132#define B43legacy_SHM_SH_BTL0 0x0018 /* Beacon template length 0 */ 133#define B43legacy_SHM_SH_BTL1 0x001A /* Beacon template length 1 */ 134#define B43legacy_SHM_SH_BTSFOFF 0x001C /* Beacon TSF offset */ 135#define B43legacy_SHM_SH_TIMPOS 0x001E /* TIM position in beacon */ 136#define B43legacy_SHM_SH_BEACPHYCTL 0x0054 /* Beacon PHY TX control word */ 137/* SHM_SHARED ACK/CTS control */ 138#define B43legacy_SHM_SH_ACKCTSPHYCTL 0x0022 /* ACK/CTS PHY control word */ 139/* SHM_SHARED probe response variables */ 140#define B43legacy_SHM_SH_PRTLEN 0x004A /* Probe Response template length */ 141#define B43legacy_SHM_SH_PRMAXTIME 0x0074 /* Probe Response max time */ 142#define B43legacy_SHM_SH_PRPHYCTL 0x0188 /* Probe Resp PHY TX control */ 143/* SHM_SHARED rate tables */ 144#define B43legacy_SHM_SH_OFDMDIRECT 0x0480 /* Pointer to OFDM direct map */ 145#define B43legacy_SHM_SH_OFDMBASIC 0x04A0 /* Pointer to OFDM basic rate map */ 146#define B43legacy_SHM_SH_CCKDIRECT 0x04C0 /* Pointer to CCK direct map */ 147#define B43legacy_SHM_SH_CCKBASIC 0x04E0 /* Pointer to CCK basic rate map */ 148/* SHM_SHARED microcode soft registers */ 149#define B43legacy_SHM_SH_UCODEREV 0x0000 /* Microcode revision */ 150#define B43legacy_SHM_SH_UCODEPATCH 0x0002 /* Microcode patchlevel */ 151#define B43legacy_SHM_SH_UCODEDATE 0x0004 /* Microcode date */ 152#define B43legacy_SHM_SH_UCODETIME 0x0006 /* Microcode time */ 153#define B43legacy_SHM_SH_SPUWKUP 0x0094 /* pre-wakeup for synth PU in us */ 154#define B43legacy_SHM_SH_PRETBTT 0x0096 /* pre-TBTT in us */ 155 156#define B43legacy_UCODEFLAGS_OFFSET 0x005E 157 158/* Hardware Radio Enable masks */ 159#define B43legacy_MMIO_RADIO_HWENABLED_HI_MASK (1 << 16) 160#define B43legacy_MMIO_RADIO_HWENABLED_LO_MASK (1 << 4) 161 162/* HostFlags. See b43legacy_hf_read/write() */ 163#define B43legacy_HF_SYMW 0x00000002 /* G-PHY SYM workaround */ 164#define B43legacy_HF_GDCW 0x00000020 /* G-PHY DV cancel filter */ 165#define B43legacy_HF_OFDMPABOOST 0x00000040 /* Enable PA boost OFDM */ 166#define B43legacy_HF_EDCF 0x00000100 /* on if WME/MAC suspended */ 167 168/* MacFilter offsets. */ 169#define B43legacy_MACFILTER_SELF 0x0000 170#define B43legacy_MACFILTER_BSSID 0x0003 171#define B43legacy_MACFILTER_MAC 0x0010 172 173/* PHYVersioning */ 174#define B43legacy_PHYTYPE_B 0x01 175#define B43legacy_PHYTYPE_G 0x02 176 177/* PHYRegisters */ 178#define B43legacy_PHY_G_LO_CONTROL 0x0810 179#define B43legacy_PHY_ILT_G_CTRL 0x0472 180#define B43legacy_PHY_ILT_G_DATA1 0x0473 181#define B43legacy_PHY_ILT_G_DATA2 0x0474 182#define B43legacy_PHY_G_PCTL 0x0029 183#define B43legacy_PHY_RADIO_BITFIELD 0x0401 184#define B43legacy_PHY_G_CRS 0x0429 185#define B43legacy_PHY_NRSSILT_CTRL 0x0803 186#define B43legacy_PHY_NRSSILT_DATA 0x0804 187 188/* RadioRegisters */ 189#define B43legacy_RADIOCTL_ID 0x01 190 191/* MAC Control bitfield */ 192#define B43legacy_MACCTL_ENABLED 0x00000001 /* MAC Enabled */ 193#define B43legacy_MACCTL_PSM_RUN 0x00000002 /* Run Microcode */ 194#define B43legacy_MACCTL_PSM_JMP0 0x00000004 /* Microcode jump to 0 */ 195#define B43legacy_MACCTL_SHM_ENABLED 0x00000100 /* SHM Enabled */ 196#define B43legacy_MACCTL_IHR_ENABLED 0x00000400 /* IHR Region Enabled */ 197#define B43legacy_MACCTL_BE 0x00010000 /* Big Endian mode */ 198#define B43legacy_MACCTL_INFRA 0x00020000 /* Infrastructure mode */ 199#define B43legacy_MACCTL_AP 0x00040000 /* AccessPoint mode */ 200#define B43legacy_MACCTL_RADIOLOCK 0x00080000 /* Radio lock */ 201#define B43legacy_MACCTL_BEACPROMISC 0x00100000 /* Beacon Promiscuous */ 202#define B43legacy_MACCTL_KEEP_BADPLCP 0x00200000 /* Keep bad PLCP frames */ 203#define B43legacy_MACCTL_KEEP_CTL 0x00400000 /* Keep control frames */ 204#define B43legacy_MACCTL_KEEP_BAD 0x00800000 /* Keep bad frames (FCS) */ 205#define B43legacy_MACCTL_PROMISC 0x01000000 /* Promiscuous mode */ 206#define B43legacy_MACCTL_HWPS 0x02000000 /* Hardware Power Saving */ 207#define B43legacy_MACCTL_AWAKE 0x04000000 /* Device is awake */ 208#define B43legacy_MACCTL_TBTTHOLD 0x10000000 /* TBTT Hold */ 209#define B43legacy_MACCTL_GMODE 0x80000000 /* G Mode */ 210 211/* MAC Command bitfield */ 212#define B43legacy_MACCMD_BEACON0_VALID 0x00000001 /* Beacon 0 in template RAM is busy/valid */ 213#define B43legacy_MACCMD_BEACON1_VALID 0x00000002 /* Beacon 1 in template RAM is busy/valid */ 214#define B43legacy_MACCMD_DFQ_VALID 0x00000004 /* Directed frame queue valid (IBSS PS mode, ATIM) */ 215#define B43legacy_MACCMD_CCA 0x00000008 /* Clear channel assessment */ 216#define B43legacy_MACCMD_BGNOISE 0x00000010 /* Background noise */ 217 218/* 802.11 core specific TM State Low flags */ 219#define B43legacy_TMSLOW_GMODE 0x20000000 /* G Mode Enable */ 220#define B43legacy_TMSLOW_PLLREFSEL 0x00200000 /* PLL Freq Ref Select */ 221#define B43legacy_TMSLOW_MACPHYCLKEN 0x00100000 /* MAC PHY Clock Ctrl Enbl */ 222#define B43legacy_TMSLOW_PHYRESET 0x00080000 /* PHY Reset */ 223#define B43legacy_TMSLOW_PHYCLKEN 0x00040000 /* PHY Clock Enable */ 224 225/* 802.11 core specific TM State High flags */ 226#define B43legacy_TMSHIGH_FCLOCK 0x00040000 /* Fast Clock Available */ 227#define B43legacy_TMSHIGH_GPHY 0x00010000 /* G-PHY avail (rev >= 5) */ 228 229#define B43legacy_UCODEFLAG_AUTODIV 0x0001 230 231/* Generic-Interrupt reasons. */ 232#define B43legacy_IRQ_MAC_SUSPENDED 0x00000001 233#define B43legacy_IRQ_BEACON 0x00000002 234#define B43legacy_IRQ_TBTT_INDI 0x00000004 /* Target Beacon Transmit Time */ 235#define B43legacy_IRQ_BEACON_TX_OK 0x00000008 236#define B43legacy_IRQ_BEACON_CANCEL 0x00000010 237#define B43legacy_IRQ_ATIM_END 0x00000020 238#define B43legacy_IRQ_PMQ 0x00000040 239#define B43legacy_IRQ_PIO_WORKAROUND 0x00000100 240#define B43legacy_IRQ_MAC_TXERR 0x00000200 241#define B43legacy_IRQ_PHY_TXERR 0x00000800 242#define B43legacy_IRQ_PMEVENT 0x00001000 243#define B43legacy_IRQ_TIMER0 0x00002000 244#define B43legacy_IRQ_TIMER1 0x00004000 245#define B43legacy_IRQ_DMA 0x00008000 246#define B43legacy_IRQ_TXFIFO_FLUSH_OK 0x00010000 247#define B43legacy_IRQ_CCA_MEASURE_OK 0x00020000 248#define B43legacy_IRQ_NOISESAMPLE_OK 0x00040000 249#define B43legacy_IRQ_UCODE_DEBUG 0x08000000 250#define B43legacy_IRQ_RFKILL 0x10000000 251#define B43legacy_IRQ_TX_OK 0x20000000 252#define B43legacy_IRQ_PHY_G_CHANGED 0x40000000 253#define B43legacy_IRQ_TIMEOUT 0x80000000 254 255#define B43legacy_IRQ_ALL 0xFFFFFFFF 256#define B43legacy_IRQ_MASKTEMPLATE (B43legacy_IRQ_MAC_SUSPENDED | \ 257 B43legacy_IRQ_TBTT_INDI | \ 258 B43legacy_IRQ_ATIM_END | \ 259 B43legacy_IRQ_PMQ | \ 260 B43legacy_IRQ_MAC_TXERR | \ 261 B43legacy_IRQ_PHY_TXERR | \ 262 B43legacy_IRQ_DMA | \ 263 B43legacy_IRQ_TXFIFO_FLUSH_OK | \ 264 B43legacy_IRQ_NOISESAMPLE_OK | \ 265 B43legacy_IRQ_UCODE_DEBUG | \ 266 B43legacy_IRQ_RFKILL | \ 267 B43legacy_IRQ_TX_OK) 268 269/* Device specific rate values. 270 * The actual values defined here are (rate_in_mbps * 2). 271 * Some code depends on this. Don't change it. */ 272#define B43legacy_CCK_RATE_1MB 2 273#define B43legacy_CCK_RATE_2MB 4 274#define B43legacy_CCK_RATE_5MB 11 275#define B43legacy_CCK_RATE_11MB 22 276#define B43legacy_OFDM_RATE_6MB 12 277#define B43legacy_OFDM_RATE_9MB 18 278#define B43legacy_OFDM_RATE_12MB 24 279#define B43legacy_OFDM_RATE_18MB 36 280#define B43legacy_OFDM_RATE_24MB 48 281#define B43legacy_OFDM_RATE_36MB 72 282#define B43legacy_OFDM_RATE_48MB 96 283#define B43legacy_OFDM_RATE_54MB 108 284/* Convert a b43legacy rate value to a rate in 100kbps */ 285#define B43legacy_RATE_TO_100KBPS(rate) (((rate) * 10) / 2) 286 287 288#define B43legacy_DEFAULT_SHORT_RETRY_LIMIT 7 289#define B43legacy_DEFAULT_LONG_RETRY_LIMIT 4 290 291#define B43legacy_PHY_TX_BADNESS_LIMIT 1000 292 293/* Max size of a security key */ 294#define B43legacy_SEC_KEYSIZE 16 295/* Security algorithms. */ 296enum { 297 B43legacy_SEC_ALGO_NONE = 0, /* unencrypted, as of TX header. */ 298 B43legacy_SEC_ALGO_WEP40, 299 B43legacy_SEC_ALGO_TKIP, 300 B43legacy_SEC_ALGO_AES, 301 B43legacy_SEC_ALGO_WEP104, 302 B43legacy_SEC_ALGO_AES_LEGACY, 303}; 304 305/* Core Information Registers */ 306#define B43legacy_CIR_BASE 0xf00 307#define B43legacy_CIR_SBTPSFLAG (B43legacy_CIR_BASE + 0x18) 308#define B43legacy_CIR_SBIMSTATE (B43legacy_CIR_BASE + 0x90) 309#define B43legacy_CIR_SBINTVEC (B43legacy_CIR_BASE + 0x94) 310#define B43legacy_CIR_SBTMSTATELOW (B43legacy_CIR_BASE + 0x98) 311#define B43legacy_CIR_SBTMSTATEHIGH (B43legacy_CIR_BASE + 0x9c) 312#define B43legacy_CIR_SBIMCONFIGLOW (B43legacy_CIR_BASE + 0xa8) 313#define B43legacy_CIR_SB_ID_HI (B43legacy_CIR_BASE + 0xfc) 314 315/* sbtmstatehigh state flags */ 316#define B43legacy_SBTMSTATEHIGH_SERROR 0x00000001 317#define B43legacy_SBTMSTATEHIGH_BUSY 0x00000004 318#define B43legacy_SBTMSTATEHIGH_TIMEOUT 0x00000020 319#define B43legacy_SBTMSTATEHIGH_G_PHY_AVAIL 0x00010000 320#define B43legacy_SBTMSTATEHIGH_COREFLAGS 0x1FFF0000 321#define B43legacy_SBTMSTATEHIGH_DMA64BIT 0x10000000 322#define B43legacy_SBTMSTATEHIGH_GATEDCLK 0x20000000 323#define B43legacy_SBTMSTATEHIGH_BISTFAILED 0x40000000 324#define B43legacy_SBTMSTATEHIGH_BISTCOMPLETE 0x80000000 325 326/* sbimstate flags */ 327#define B43legacy_SBIMSTATE_IB_ERROR 0x20000 328#define B43legacy_SBIMSTATE_TIMEOUT 0x40000 329 330#define PFX KBUILD_MODNAME ": " 331#ifdef assert 332# undef assert 333#endif 334#ifdef CONFIG_B43LEGACY_DEBUG 335# define B43legacy_WARN_ON(x) WARN_ON(x) 336# define B43legacy_BUG_ON(expr) \ 337 do { \ 338 if (unlikely((expr))) { \ 339 printk(KERN_INFO PFX "Test (%s) failed\n", \ 340 #expr); \ 341 BUG_ON(expr); \ 342 } \ 343 } while (0) 344# define B43legacy_DEBUG 1 345#else 346/* This will evaluate the argument even if debugging is disabled. */ 347static inline bool __b43legacy_warn_on_dummy(bool x) { return x; } 348# define B43legacy_WARN_ON(x) __b43legacy_warn_on_dummy(unlikely(!!(x))) 349# define B43legacy_BUG_ON(x) do { /* nothing */ } while (0) 350# define B43legacy_DEBUG 0 351#endif 352 353 354struct net_device; 355struct pci_dev; 356struct b43legacy_dmaring; 357struct b43legacy_pioqueue; 358 359/* The firmware file header */ 360#define B43legacy_FW_TYPE_UCODE 'u' 361#define B43legacy_FW_TYPE_PCM 'p' 362#define B43legacy_FW_TYPE_IV 'i' 363struct b43legacy_fw_header { 364 /* File type */ 365 u8 type; 366 /* File format version */ 367 u8 ver; 368 u8 __padding[2]; 369 /* Size of the data. For ucode and PCM this is in bytes. 370 * For IV this is number-of-ivs. */ 371 __be32 size; 372} __packed; 373 374/* Initial Value file format */ 375#define B43legacy_IV_OFFSET_MASK 0x7FFF 376#define B43legacy_IV_32BIT 0x8000 377struct b43legacy_iv { 378 __be16 offset_size; 379 union { 380 __be16 d16; 381 __be32 d32; 382 } __packed data; 383} __packed; 384 385#define B43legacy_PHYMODE(phytype) (1 << (phytype)) 386#define B43legacy_PHYMODE_B B43legacy_PHYMODE \ 387 ((B43legacy_PHYTYPE_B)) 388#define B43legacy_PHYMODE_G B43legacy_PHYMODE \ 389 ((B43legacy_PHYTYPE_G)) 390 391/* Value pair to measure the LocalOscillator. */ 392struct b43legacy_lopair { 393 s8 low; 394 s8 high; 395 u8 used:1; 396}; 397#define B43legacy_LO_COUNT (14*4) 398 399struct b43legacy_phy { 400 /* Possible PHYMODEs on this PHY */ 401 u8 possible_phymodes; 402 /* GMODE bit enabled in MACCTL? */ 403 bool gmode; 404 405 /* Analog Type */ 406 u8 analog; 407 /* B43legacy_PHYTYPE_ */ 408 u8 type; 409 /* PHY revision number. */ 410 u8 rev; 411 412 u16 antenna_diversity; 413 u16 savedpctlreg; 414 /* Radio versioning */ 415 u16 radio_manuf; /* Radio manufacturer */ 416 u16 radio_ver; /* Radio version */ 417 u8 calibrated:1; 418 u8 radio_rev; /* Radio revision */ 419 420 bool dyn_tssi_tbl; /* tssi2dbm is kmalloc()ed. */ 421 422 /* ACI (adjacent channel interference) flags. */ 423 bool aci_enable; 424 bool aci_wlan_automatic; 425 bool aci_hw_rssi; 426 427 /* Radio switched on/off */ 428 bool radio_on; 429 struct { 430 /* Values saved when turning the radio off. 431 * They are needed when turning it on again. */ 432 bool valid; 433 u16 rfover; 434 u16 rfoverval; 435 } radio_off_context; 436 437 u16 minlowsig[2]; 438 u16 minlowsigpos[2]; 439 440 /* LO Measurement Data. 441 * Use b43legacy_get_lopair() to get a value. 442 */ 443 struct b43legacy_lopair *_lo_pairs; 444 /* TSSI to dBm table in use */ 445 const s8 *tssi2dbm; 446 /* idle TSSI value */ 447 s8 idle_tssi; 448 /* Target idle TSSI */ 449 int tgt_idle_tssi; 450 /* Current idle TSSI */ 451 int cur_idle_tssi; 452 453 /* LocalOscillator control values. */ 454 struct b43legacy_txpower_lo_control *lo_control; 455 /* Values from b43legacy_calc_loopback_gain() */ 456 s16 max_lb_gain; /* Maximum Loopback gain in hdB */ 457 s16 trsw_rx_gain; /* TRSW RX gain in hdB */ 458 s16 lna_lod_gain; /* LNA lod */ 459 s16 lna_gain; /* LNA */ 460 s16 pga_gain; /* PGA */ 461 462 /* Desired TX power level (in dBm). This is set by the user and 463 * adjusted in b43legacy_phy_xmitpower(). */ 464 u8 power_level; 465 466 /* Values from b43legacy_calc_loopback_gain() */ 467 u16 loopback_gain[2]; 468 469 /* TX Power control values. */ 470 /* B/G PHY */ 471 struct { 472 /* Current Radio Attenuation for TXpower recalculation. */ 473 u16 rfatt; 474 /* Current Baseband Attenuation for TXpower recalculation. */ 475 u16 bbatt; 476 /* Current TXpower control value for TXpower recalculation. */ 477 u16 txctl1; 478 u16 txctl2; 479 }; 480 /* A PHY */ 481 struct { 482 u16 txpwr_offset; 483 }; 484 485 /* Current Interference Mitigation mode */ 486 int interfmode; 487 /* Stack of saved values from the Interference Mitigation code. 488 * Each value in the stack is laid out as follows: 489 * bit 0-11: offset 490 * bit 12-15: register ID 491 * bit 16-32: value 492 * register ID is: 0x1 PHY, 0x2 Radio, 0x3 ILT 493 */ 494#define B43legacy_INTERFSTACK_SIZE 26 495 u32 interfstack[B43legacy_INTERFSTACK_SIZE]; 496 497 /* Saved values from the NRSSI Slope calculation */ 498 s16 nrssi[2]; 499 s32 nrssislope; 500 /* In memory nrssi lookup table. */ 501 s8 nrssi_lt[64]; 502 503 /* current channel */ 504 u8 channel; 505 506 u16 lofcal; 507 508 u16 initval; 509 510 /* PHY TX errors counter. */ 511 atomic_t txerr_cnt; 512 513#if B43legacy_DEBUG 514 /* Manual TX-power control enabled? */ 515 bool manual_txpower_control; 516 /* PHY registers locked by b43legacy_phy_lock()? */ 517 bool phy_locked; 518#endif /* B43legacy_DEBUG */ 519}; 520 521/* Data structures for DMA transmission, per 80211 core. */ 522struct b43legacy_dma { 523 struct b43legacy_dmaring *tx_ring0; 524 struct b43legacy_dmaring *tx_ring1; 525 struct b43legacy_dmaring *tx_ring2; 526 struct b43legacy_dmaring *tx_ring3; 527 struct b43legacy_dmaring *tx_ring4; 528 struct b43legacy_dmaring *tx_ring5; 529 530 struct b43legacy_dmaring *rx_ring0; 531 struct b43legacy_dmaring *rx_ring3; /* only on core.rev < 5 */ 532 533 u32 translation; /* Routing bits */ 534}; 535 536/* Data structures for PIO transmission, per 80211 core. */ 537struct b43legacy_pio { 538 struct b43legacy_pioqueue *queue0; 539 struct b43legacy_pioqueue *queue1; 540 struct b43legacy_pioqueue *queue2; 541 struct b43legacy_pioqueue *queue3; 542}; 543 544/* Context information for a noise calculation (Link Quality). */ 545struct b43legacy_noise_calculation { 546 u8 channel_at_start; 547 bool calculation_running; 548 u8 nr_samples; 549 s8 samples[8][4]; 550}; 551 552struct b43legacy_stats { 553 u8 link_noise; 554 /* Store the last TX/RX times here for updating the leds. */ 555 unsigned long last_tx; 556 unsigned long last_rx; 557}; 558 559struct b43legacy_key { 560 void *keyconf; 561 bool enabled; 562 u8 algorithm; 563}; 564 565#define B43legacy_QOS_QUEUE_NUM 4 566 567struct b43legacy_wldev; 568 569/* QOS parameters for a queue. */ 570struct b43legacy_qos_params { 571 /* The QOS parameters */ 572 struct ieee80211_tx_queue_params p; 573}; 574 575/* Data structure for the WLAN parts (802.11 cores) of the b43legacy chip. */ 576struct b43legacy_wl { 577 /* Pointer to the active wireless device on this chip */ 578 struct b43legacy_wldev *current_dev; 579 /* Pointer to the ieee80211 hardware data structure */ 580 struct ieee80211_hw *hw; 581 582 spinlock_t irq_lock; /* locks IRQ */ 583 struct mutex mutex; /* locks wireless core state */ 584 spinlock_t leds_lock; /* lock for leds */ 585 586 /* firmware loading work */ 587 struct work_struct firmware_load; 588 589 /* We can only have one operating interface (802.11 core) 590 * at a time. General information about this interface follows. 591 */ 592 593 struct ieee80211_vif *vif; 594 /* MAC address (can be NULL). */ 595 u8 mac_addr[ETH_ALEN]; 596 /* Current BSSID (can be NULL). */ 597 u8 bssid[ETH_ALEN]; 598 /* Interface type. (IEEE80211_IF_TYPE_XXX) */ 599 int if_type; 600 /* Is the card operating in AP, STA or IBSS mode? */ 601 bool operating; 602 /* filter flags */ 603 unsigned int filter_flags; 604 /* Stats about the wireless interface */ 605 struct ieee80211_low_level_stats ieee_stats; 606 607#ifdef CONFIG_B43LEGACY_HWRNG 608 struct hwrng rng; 609 u8 rng_initialized; 610 char rng_name[30 + 1]; 611#endif 612 613 /* List of all wireless devices on this chip */ 614 struct list_head devlist; 615 u8 nr_devs; 616 617 bool radiotap_enabled; 618 bool radio_enabled; 619 620 /* The beacon we are currently using (AP or IBSS mode). 621 * This beacon stuff is protected by the irq_lock. */ 622 struct sk_buff *current_beacon; 623 bool beacon0_uploaded; 624 bool beacon1_uploaded; 625 bool beacon_templates_virgin; /* Never wrote the templates? */ 626 struct work_struct beacon_update_trigger; 627 /* The current QOS parameters for the 4 queues. */ 628 struct b43legacy_qos_params qos_params[B43legacy_QOS_QUEUE_NUM]; 629 630 /* Packet transmit work */ 631 struct work_struct tx_work; 632 633 /* Queue of packets to be transmitted. */ 634 struct sk_buff_head tx_queue[B43legacy_QOS_QUEUE_NUM]; 635 636 /* Flag that implement the queues stopping. */ 637 bool tx_queue_stopped[B43legacy_QOS_QUEUE_NUM]; 638 639}; 640 641/* Pointers to the firmware data and meta information about it. */ 642struct b43legacy_firmware { 643 /* Microcode */ 644 const struct firmware *ucode; 645 /* PCM code */ 646 const struct firmware *pcm; 647 /* Initial MMIO values for the firmware */ 648 const struct firmware *initvals; 649 /* Initial MMIO values for the firmware, band-specific */ 650 const struct firmware *initvals_band; 651 /* Firmware revision */ 652 u16 rev; 653 /* Firmware patchlevel */ 654 u16 patch; 655}; 656 657/* Device (802.11 core) initialization status. */ 658enum { 659 B43legacy_STAT_UNINIT = 0, /* Uninitialized. */ 660 B43legacy_STAT_INITIALIZED = 1, /* Initialized, not yet started. */ 661 B43legacy_STAT_STARTED = 2, /* Up and running. */ 662}; 663#define b43legacy_status(wldev) atomic_read(&(wldev)->__init_status) 664#define b43legacy_set_status(wldev, stat) do { \ 665 atomic_set(&(wldev)->__init_status, (stat)); \ 666 smp_wmb(); \ 667 } while (0) 668 669/* *** --- HOW LOCKING WORKS IN B43legacy --- *** 670 * 671 * You should always acquire both, wl->mutex and wl->irq_lock unless: 672 * - You don't need to acquire wl->irq_lock, if the interface is stopped. 673 * - You don't need to acquire wl->mutex in the IRQ handler, IRQ tasklet 674 * and packet TX path (and _ONLY_ there.) 675 */ 676 677/* Data structure for one wireless device (802.11 core) */ 678struct b43legacy_wldev { 679 struct ssb_device *dev; 680 struct b43legacy_wl *wl; 681 682 /* The device initialization status. 683 * Use b43legacy_status() to query. */ 684 atomic_t __init_status; 685 /* Saved init status for handling suspend. */ 686 int suspend_init_status; 687 688 bool __using_pio; /* Using pio rather than dma. */ 689 bool bad_frames_preempt;/* Use "Bad Frames Preemption". */ 690 bool dfq_valid; /* Directed frame queue valid (IBSS PS mode, ATIM). */ 691 bool short_preamble; /* TRUE if using short preamble. */ 692 bool radio_hw_enable; /* State of radio hardware enable bit. */ 693 694 /* PHY/Radio device. */ 695 struct b43legacy_phy phy; 696 union { 697 /* DMA engines. */ 698 struct b43legacy_dma dma; 699 /* PIO engines. */ 700 struct b43legacy_pio pio; 701 }; 702 703 /* Various statistics about the physical device. */ 704 struct b43legacy_stats stats; 705 706 /* The device LEDs. */ 707 struct b43legacy_led led_tx; 708 struct b43legacy_led led_rx; 709 struct b43legacy_led led_assoc; 710 struct b43legacy_led led_radio; 711 712 /* Reason code of the last interrupt. */ 713 u32 irq_reason; 714 u32 dma_reason[6]; 715 /* The currently active generic-interrupt mask. */ 716 u32 irq_mask; 717 /* Link Quality calculation context. */ 718 struct b43legacy_noise_calculation noisecalc; 719 /* if > 0 MAC is suspended. if == 0 MAC is enabled. */ 720 int mac_suspended; 721 722 /* Interrupt Service Routine tasklet (bottom-half) */ 723 struct tasklet_struct isr_tasklet; 724 725 /* Periodic tasks */ 726 struct delayed_work periodic_work; 727 unsigned int periodic_state; 728 729 struct work_struct restart_work; 730 731 /* encryption/decryption */ 732 u16 ktp; /* Key table pointer */ 733 u8 max_nr_keys; 734 struct b43legacy_key key[58]; 735 736 /* Firmware data */ 737 struct b43legacy_firmware fw; 738 const struct firmware *fwp; /* needed to pass fw pointer */ 739 740 /* completion struct for firmware loading */ 741 struct completion fw_load_complete; 742 743 /* Devicelist in struct b43legacy_wl (all 802.11 cores) */ 744 struct list_head list; 745 746 /* Debugging stuff follows. */ 747#ifdef CONFIG_B43LEGACY_DEBUG 748 struct b43legacy_dfsentry *dfsentry; 749#endif 750}; 751 752 753static inline 754struct b43legacy_wl *hw_to_b43legacy_wl(struct ieee80211_hw *hw) 755{ 756 return hw->priv; 757} 758 759/* Helper function, which returns a boolean. 760 * TRUE, if PIO is used; FALSE, if DMA is used. 761 */ 762#if defined(CONFIG_B43LEGACY_DMA) && defined(CONFIG_B43LEGACY_PIO) 763static inline 764int b43legacy_using_pio(struct b43legacy_wldev *dev) 765{ 766 return dev->__using_pio; 767} 768#elif defined(CONFIG_B43LEGACY_DMA) 769static inline 770int b43legacy_using_pio(struct b43legacy_wldev *dev) 771{ 772 return 0; 773} 774#elif defined(CONFIG_B43LEGACY_PIO) 775static inline 776int b43legacy_using_pio(struct b43legacy_wldev *dev) 777{ 778 return 1; 779} 780#else 781# error "Using neither DMA nor PIO? Confused..." 782#endif 783 784 785static inline 786struct b43legacy_wldev *dev_to_b43legacy_wldev(struct device *dev) 787{ 788 struct ssb_device *ssb_dev = dev_to_ssb_dev(dev); 789 return ssb_get_drvdata(ssb_dev); 790} 791 792/* Is the device operating in a specified mode (IEEE80211_IF_TYPE_XXX). */ 793static inline 794int b43legacy_is_mode(struct b43legacy_wl *wl, int type) 795{ 796 return (wl->operating && 797 wl->if_type == type); 798} 799 800static inline 801bool is_bcm_board_vendor(struct b43legacy_wldev *dev) 802{ 803 return (dev->dev->bus->boardinfo.vendor == PCI_VENDOR_ID_BROADCOM); 804} 805 806static inline 807u16 b43legacy_read16(struct b43legacy_wldev *dev, u16 offset) 808{ 809 return ssb_read16(dev->dev, offset); 810} 811 812static inline 813void b43legacy_write16(struct b43legacy_wldev *dev, u16 offset, u16 value) 814{ 815 ssb_write16(dev->dev, offset, value); 816} 817 818static inline 819u32 b43legacy_read32(struct b43legacy_wldev *dev, u16 offset) 820{ 821 return ssb_read32(dev->dev, offset); 822} 823 824static inline 825void b43legacy_write32(struct b43legacy_wldev *dev, u16 offset, u32 value) 826{ 827 ssb_write32(dev->dev, offset, value); 828} 829 830static inline 831struct b43legacy_lopair *b43legacy_get_lopair(struct b43legacy_phy *phy, 832 u16 radio_attenuation, 833 u16 baseband_attenuation) 834{ 835 return phy->_lo_pairs + (radio_attenuation 836 + 14 * (baseband_attenuation / 2)); 837} 838 839 840 841/* Message printing */ 842__printf(2, 3) 843void b43legacyinfo(struct b43legacy_wl *wl, const char *fmt, ...); 844__printf(2, 3) 845void b43legacyerr(struct b43legacy_wl *wl, const char *fmt, ...); 846__printf(2, 3) 847void b43legacywarn(struct b43legacy_wl *wl, const char *fmt, ...); 848#if B43legacy_DEBUG 849__printf(2, 3) 850void b43legacydbg(struct b43legacy_wl *wl, const char *fmt, ...); 851#else /* DEBUG */ 852# define b43legacydbg(wl, fmt...) do { /* nothing */ } while (0) 853#endif /* DEBUG */ 854 855/* Macros for printing a value in Q5.2 format */ 856#define Q52_FMT "%u.%u" 857#define Q52_ARG(q52) ((q52) / 4), (((q52) & 3) * 100 / 4) 858 859#endif /* B43legacy_H_ */ 860