drivers/net/wireless/ath/ath9k/mac.h

   1 /*
   2  * Copyright (c) 2008-2011 Atheros Communications Inc.
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #ifndef MAC_H
  18 #define MAC_H
  19 #include <net/cfg80211.h>
  20
  21 #define set11nTries(_series, _index) \
  22         (SM((_series)[_index].Tries, AR_XmitDataTries##_index))
  23
  24 #define set11nRate(_series, _index) \
  25         (SM((_series)[_index].Rate, AR_XmitRate##_index))
  26
  27 #define set11nPktDurRTSCTS(_series, _index)                             \
  28         (SM((_series)[_index].PktDuration, AR_PacketDur##_index) |      \
  29          ((_series)[_index].RateFlags & ATH9K_RATESERIES_RTS_CTS   ?    \
  30           AR_RTSCTSQual##_index : 0))
  31
  32 #define set11nRateFlags(_series, _index)                                \
  33         (((_series)[_index].RateFlags & ATH9K_RATESERIES_2040 ?         \
  34           AR_2040_##_index : 0)                                         \
  35          |((_series)[_index].RateFlags & ATH9K_RATESERIES_HALFGI ?      \
  36            AR_GI##_index : 0)                                           \
  37          |((_series)[_index].RateFlags & ATH9K_RATESERIES_STBC ?        \
  38            AR_STBC##_index : 0))
  39
  40 #define set11nChainSel(_series, _index)                                 \
  41         (SM((_series)[_index].ChSel, AR_ChainSel##_index))
  42
  43 #define CCK_SIFS_TIME        10
  44 #define CCK_PREAMBLE_BITS   144
  45 #define CCK_PLCP_BITS        48
  46
  47 #define OFDM_SIFS_TIME        16
  48 #define OFDM_PREAMBLE_TIME    20
  49 #define OFDM_PLCP_BITS        22
  50 #define OFDM_SYMBOL_TIME      4
  51
  52 #define OFDM_SIFS_TIME_HALF     32
  53 #define OFDM_PREAMBLE_TIME_HALF 40
  54 #define OFDM_PLCP_BITS_HALF     22
  55 #define OFDM_SYMBOL_TIME_HALF   8
  56
  57 #define OFDM_SIFS_TIME_QUARTER      64
  58 #define OFDM_PREAMBLE_TIME_QUARTER  80
  59 #define OFDM_PLCP_BITS_QUARTER      22
  60 #define OFDM_SYMBOL_TIME_QUARTER    16
  61
  62 #define INIT_AIFS       2
  63 #define INIT_CWMIN      15
  64 #define INIT_CWMIN_11B  31
  65 #define INIT_CWMAX      1023
  66 #define INIT_SH_RETRY   10
  67 #define INIT_LG_RETRY   10
  68 #define INIT_SSH_RETRY  32
  69 #define INIT_SLG_RETRY  32
  70
  71 #define ATH9K_TXERR_XRETRY         0x01
  72 #define ATH9K_TXERR_FILT           0x02
  73 #define ATH9K_TXERR_FIFO           0x04
  74 #define ATH9K_TXERR_XTXOP          0x08
  75 #define ATH9K_TXERR_TIMER_EXPIRED  0x10
  76 #define ATH9K_TX_ACKED             0x20
  77 #define ATH9K_TX_FLUSH             0x40
  78 #define ATH9K_TXERR_MASK                                                \
  79         (ATH9K_TXERR_XRETRY | ATH9K_TXERR_FILT | ATH9K_TXERR_FIFO |     \
  80          ATH9K_TXERR_XTXOP | ATH9K_TXERR_TIMER_EXPIRED | ATH9K_TX_FLUSH)
  81
  82 #define ATH9K_TX_BA                0x01
  83 #define ATH9K_TX_PWRMGMT           0x02
  84 #define ATH9K_TX_DESC_CFG_ERR      0x04
  85 #define ATH9K_TX_DATA_UNDERRUN     0x08
  86 #define ATH9K_TX_DELIM_UNDERRUN    0x10
  87 #define ATH9K_TX_SW_FILTERED       0x80
  88
  89 /* 64 bytes */
  90 #define MIN_TX_FIFO_THRESHOLD   0x1
  91
  92 /*
  93  * Single stream device AR9285 and AR9271 require 2 KB
  94  * to work around a hardware issue, all other devices
  95  * have can use the max 4 KB limit.
  96  */
  97 #define MAX_TX_FIFO_THRESHOLD   ((4096 / 64) - 1)
  98
  99 struct ath_tx_status {
 100         u32 ts_tstamp;
 101         u16 ts_seqnum;
 102         u8 ts_status;
 103         u8 ts_rateindex;
 104         int8_t ts_rssi;
 105         u8 ts_shortretry;
 106         u8 ts_longretry;
 107         u8 ts_virtcol;
 108         u8 ts_flags;
 109         int8_t ts_rssi_ctl0;
 110         int8_t ts_rssi_ctl1;
 111         int8_t ts_rssi_ctl2;
 112         int8_t ts_rssi_ext0;
 113         int8_t ts_rssi_ext1;
 114         int8_t ts_rssi_ext2;
 115         u8 qid;
 116         u16 desc_id;
 117         u8 tid;
 118         struct_group(ba,
 119                 u32 ba_low;
 120                 u32 ba_high;
 121         );
 122         u32 evm0;
 123         u32 evm1;
 124         u32 evm2;
 125         u32 duration;
 126 };
 127
 128 struct ath_rx_status {
 129         u32 rs_tstamp;
 130         u16 rs_datalen;
 131         u8 rs_status;
 132         u8 rs_phyerr;
 133         int8_t rs_rssi;
 134         u8 rs_keyix;
 135         u8 rs_rate;
 136         u8 rs_antenna;
 137         u8 rs_more;
 138         int8_t rs_rssi_ctl[3];
 139         int8_t rs_rssi_ext[3];
 140         u8 rs_isaggr;
 141         u8 rs_firstaggr;
 142         u8 rs_moreaggr;
 143         u8 rs_num_delims;
 144         u8 rs_flags;
 145         bool is_mybeacon;
 146         u32 evm0;
 147         u32 evm1;
 148         u32 evm2;
 149         u32 evm3;
 150         u32 evm4;
 151         u16 enc_flags;
 152         enum rate_info_bw bw;
 153 };
 154
 155 struct ath_htc_rx_status {
 156         __be64 rs_tstamp;
 157         __be16 rs_datalen;
 158         u8 rs_status;
 159         u8 rs_phyerr;
 160         int8_t rs_rssi;
 161         int8_t rs_rssi_ctl[3];
 162         int8_t rs_rssi_ext[3];
 163         u8 rs_keyix;
 164         u8 rs_rate;
 165         u8 rs_antenna;
 166         u8 rs_more;
 167         u8 rs_isaggr;
 168         u8 rs_moreaggr;
 169         u8 rs_num_delims;
 170         u8 rs_flags;
 171         u8 rs_dummy;
 172         /* FIXME: evm* never used? */
 173         __be32 evm0;
 174         __be32 evm1;
 175         __be32 evm2;
 176 };
 177
 178 #define ATH9K_RXERR_CRC           0x01
 179 #define ATH9K_RXERR_PHY           0x02
 180 #define ATH9K_RXERR_FIFO          0x04
 181 #define ATH9K_RXERR_DECRYPT       0x08
 182 #define ATH9K_RXERR_MIC           0x10
 183 #define ATH9K_RXERR_KEYMISS       0x20
 184 #define ATH9K_RXERR_CORRUPT_DESC  0x40
 185
 186 #define ATH9K_RX_MORE             0x01
 187 #define ATH9K_RX_MORE_AGGR        0x02
 188 #define ATH9K_RX_GI               0x04
 189 #define ATH9K_RX_2040             0x08
 190 #define ATH9K_RX_DELIM_CRC_PRE    0x10
 191 #define ATH9K_RX_DELIM_CRC_POST   0x20
 192 #define ATH9K_RX_DECRYPT_BUSY     0x40
 193
 194 #define ATH9K_RXKEYIX_INVALID   ((u8)-1)
 195 #define ATH9K_TXKEYIX_INVALID   ((u8)-1)
 196
 197 enum ath9k_phyerr {
 198         ATH9K_PHYERR_UNDERRUN             = 0,  /* Transmit underrun */
 199         ATH9K_PHYERR_TIMING               = 1,  /* Timing error */
 200         ATH9K_PHYERR_PARITY               = 2,  /* Illegal parity */
 201         ATH9K_PHYERR_RATE                 = 3,  /* Illegal rate */
 202         ATH9K_PHYERR_LENGTH               = 4,  /* Illegal length */
 203         ATH9K_PHYERR_RADAR                = 5,  /* Radar detect */
 204         ATH9K_PHYERR_SERVICE              = 6,  /* Illegal service */
 205         ATH9K_PHYERR_TOR                  = 7,  /* Transmit override receive */
 206
 207         ATH9K_PHYERR_OFDM_TIMING          = 17,
 208         ATH9K_PHYERR_OFDM_SIGNAL_PARITY   = 18,
 209         ATH9K_PHYERR_OFDM_RATE_ILLEGAL    = 19,
 210         ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL  = 20,
 211         ATH9K_PHYERR_OFDM_POWER_DROP      = 21,
 212         ATH9K_PHYERR_OFDM_SERVICE         = 22,
 213         ATH9K_PHYERR_OFDM_RESTART         = 23,
 214
 215         ATH9K_PHYERR_CCK_BLOCKER          = 24,
 216         ATH9K_PHYERR_CCK_TIMING           = 25,
 217         ATH9K_PHYERR_CCK_HEADER_CRC       = 26,
 218         ATH9K_PHYERR_CCK_RATE_ILLEGAL     = 27,
 219         ATH9K_PHYERR_CCK_LENGTH_ILLEGAL   = 28,
 220         ATH9K_PHYERR_CCK_POWER_DROP       = 29,
 221         ATH9K_PHYERR_CCK_SERVICE          = 30,
 222         ATH9K_PHYERR_CCK_RESTART          = 31,
 223
 224         ATH9K_PHYERR_HT_CRC_ERROR         = 32,
 225         ATH9K_PHYERR_HT_LENGTH_ILLEGAL    = 33,
 226         ATH9K_PHYERR_HT_RATE_ILLEGAL      = 34,
 227         ATH9K_PHYERR_HT_ZLF               = 35,
 228
 229         ATH9K_PHYERR_FALSE_RADAR_EXT      = 36,
 230         ATH9K_PHYERR_GREEN_FIELD          = 37,
 231         ATH9K_PHYERR_SPECTRAL             = 38,
 232
 233         ATH9K_PHYERR_MAX                  = 39,
 234 };
 235
 236 struct ath_desc {
 237         u32 ds_link;
 238         u32 ds_data;
 239         u32 ds_ctl0;
 240         u32 ds_ctl1;
 241         u32 ds_hw[20];
 242         void *ds_vdata;
 243 } __packed __aligned(4);
 244
 245 #define ATH9K_TXDESC_NOACK              0x0002
 246 #define ATH9K_TXDESC_RTSENA             0x0004
 247 #define ATH9K_TXDESC_CTSENA             0x0008
 248 /* ATH9K_TXDESC_INTREQ forces a tx interrupt to be generated for
 249  * the descriptor its marked on.  We take a tx interrupt to reap
 250  * descriptors when the h/w hits an EOL condition or
 251  * when the descriptor is specifically marked to generate
 252  * an interrupt with this flag. Descriptors should be
 253  * marked periodically to insure timely replenishing of the
 254  * supply needed for sending frames. Defering interrupts
 255  * reduces system load and potentially allows more concurrent
 256  * work to be done but if done to aggressively can cause
 257  * senders to backup. When the hardware queue is left too
 258  * large rate control information may also be too out of
 259  * date. An Alternative for this is TX interrupt mitigation
 260  * but this needs more testing. */
 261 #define ATH9K_TXDESC_INTREQ             0x0010
 262 #define ATH9K_TXDESC_VEOL               0x0020
 263 #define ATH9K_TXDESC_EXT_ONLY           0x0040
 264 #define ATH9K_TXDESC_EXT_AND_CTL        0x0080
 265 #define ATH9K_TXDESC_VMF                0x0100
 266 #define ATH9K_TXDESC_FRAG_IS_ON         0x0200
 267 #define ATH9K_TXDESC_LOWRXCHAIN         0x0400
 268 #define ATH9K_TXDESC_LDPC               0x0800
 269 #define ATH9K_TXDESC_CLRDMASK           0x1000
 270
 271 #define ATH9K_TXDESC_PAPRD              0x70000
 272 #define ATH9K_TXDESC_PAPRD_S            16
 273
 274 #define ATH9K_RXDESC_INTREQ             0x0020
 275
 276 struct ar5416_desc {
 277         u32 ds_link;
 278         u32 ds_data;
 279         u32 ds_ctl0;
 280         u32 ds_ctl1;
 281         union {
 282                 struct {
 283                         u32 ctl2;
 284                         u32 ctl3;
 285                         u32 ctl4;
 286                         u32 ctl5;
 287                         u32 ctl6;
 288                         u32 ctl7;
 289                         u32 ctl8;
 290                         u32 ctl9;
 291                         u32 ctl10;
 292                         u32 ctl11;
 293                         u32 status0;
 294                         u32 status1;
 295                         u32 status2;
 296                         u32 status3;
 297                         u32 status4;
 298                         u32 status5;
 299                         u32 status6;
 300                         u32 status7;
 301                         u32 status8;
 302                         u32 status9;
 303                 } tx;
 304                 struct {
 305                         u32 status0;
 306                         u32 status1;
 307                         u32 status2;
 308                         u32 status3;
 309                         u32 status4;
 310                         u32 status5;
 311                         u32 status6;
 312                         u32 status7;
 313                         u32 status8;
 314                 } rx;
 315         } u;
 316 } __packed __aligned(4);
 317
 318 #define AR5416DESC(_ds)         ((struct ar5416_desc *)(_ds))
 319 #define AR5416DESC_CONST(_ds)   ((const struct ar5416_desc *)(_ds))
 320
 321 #define ds_ctl2     u.tx.ctl2
 322 #define ds_ctl3     u.tx.ctl3
 323 #define ds_ctl4     u.tx.ctl4
 324 #define ds_ctl5     u.tx.ctl5
 325 #define ds_ctl6     u.tx.ctl6
 326 #define ds_ctl7     u.tx.ctl7
 327 #define ds_ctl8     u.tx.ctl8
 328 #define ds_ctl9     u.tx.ctl9
 329 #define ds_ctl10    u.tx.ctl10
 330 #define ds_ctl11    u.tx.ctl11
 331
 332 #define ds_txstatus0    u.tx.status0
 333 #define ds_txstatus1    u.tx.status1
 334 #define ds_txstatus2    u.tx.status2
 335 #define ds_txstatus3    u.tx.status3
 336 #define ds_txstatus4    u.tx.status4
 337 #define ds_txstatus5    u.tx.status5
 338 #define ds_txstatus6    u.tx.status6
 339 #define ds_txstatus7    u.tx.status7
 340 #define ds_txstatus8    u.tx.status8
 341 #define ds_txstatus9    u.tx.status9
 342
 343 #define ds_rxstatus0    u.rx.status0
 344 #define ds_rxstatus1    u.rx.status1
 345 #define ds_rxstatus2    u.rx.status2
 346 #define ds_rxstatus3    u.rx.status3
 347 #define ds_rxstatus4    u.rx.status4
 348 #define ds_rxstatus5    u.rx.status5
 349 #define ds_rxstatus6    u.rx.status6
 350 #define ds_rxstatus7    u.rx.status7
 351 #define ds_rxstatus8    u.rx.status8
 352
 353 #define AR_FrameLen         0x00000fff
 354 #define AR_VirtMoreFrag     0x00001000
 355 #define AR_TxCtlRsvd00      0x0000e000
 356 #define AR_XmitPower0       0x003f0000
 357 #define AR_XmitPower0_S     16
 358 #define AR_XmitPower1       0x3f000000
 359 #define AR_XmitPower1_S     24
 360 #define AR_XmitPower2       0x3f000000
 361 #define AR_XmitPower2_S     24
 362 #define AR_XmitPower3       0x3f000000
 363 #define AR_XmitPower3_S     24
 364 #define AR_RTSEnable        0x00400000
 365 #define AR_VEOL             0x00800000
 366 #define AR_ClrDestMask      0x01000000
 367 #define AR_TxCtlRsvd01      0x1e000000
 368 #define AR_TxIntrReq        0x20000000
 369 #define AR_DestIdxValid     0x40000000
 370 #define AR_CTSEnable        0x80000000
 371
 372 #define AR_TxMore           0x00001000
 373 #define AR_DestIdx          0x000fe000
 374 #define AR_DestIdx_S        13
 375 #define AR_FrameType        0x00f00000
 376 #define AR_FrameType_S      20
 377 #define AR_NoAck            0x01000000
 378 #define AR_InsertTS         0x02000000
 379 #define AR_CorruptFCS       0x04000000
 380 #define AR_ExtOnly          0x08000000
 381 #define AR_ExtAndCtl        0x10000000
 382 #define AR_MoreAggr         0x20000000
 383 #define AR_IsAggr           0x40000000
 384
 385 #define AR_BurstDur         0x00007fff
 386 #define AR_BurstDur_S       0
 387 #define AR_DurUpdateEna     0x00008000
 388 #define AR_XmitDataTries0   0x000f0000
 389 #define AR_XmitDataTries0_S 16
 390 #define AR_XmitDataTries1   0x00f00000
 391 #define AR_XmitDataTries1_S 20
 392 #define AR_XmitDataTries2   0x0f000000
 393 #define AR_XmitDataTries2_S 24
 394 #define AR_XmitDataTries3   0xf0000000
 395 #define AR_XmitDataTries3_S 28
 396
 397 #define AR_XmitRate0        0x000000ff
 398 #define AR_XmitRate0_S      0
 399 #define AR_XmitRate1        0x0000ff00
 400 #define AR_XmitRate1_S      8
 401 #define AR_XmitRate2        0x00ff0000
 402 #define AR_XmitRate2_S      16
 403 #define AR_XmitRate3        0xff000000
 404 #define AR_XmitRate3_S      24
 405
 406 #define AR_PacketDur0       0x00007fff
 407 #define AR_PacketDur0_S     0
 408 #define AR_RTSCTSQual0      0x00008000
 409 #define AR_PacketDur1       0x7fff0000
 410 #define AR_PacketDur1_S     16
 411 #define AR_RTSCTSQual1      0x80000000
 412
 413 #define AR_PacketDur2       0x00007fff
 414 #define AR_PacketDur2_S     0
 415 #define AR_RTSCTSQual2      0x00008000
 416 #define AR_PacketDur3       0x7fff0000
 417 #define AR_PacketDur3_S     16
 418 #define AR_RTSCTSQual3      0x80000000
 419
 420 #define AR_AggrLen          0x0000ffff
 421 #define AR_AggrLen_S        0
 422 #define AR_TxCtlRsvd60      0x00030000
 423 #define AR_PadDelim         0x03fc0000
 424 #define AR_PadDelim_S       18
 425 #define AR_EncrType         0x0c000000
 426 #define AR_EncrType_S       26
 427 #define AR_TxCtlRsvd61      0xf0000000
 428 #define AR_LDPC             0x80000000
 429
 430 #define AR_2040_0           0x00000001
 431 #define AR_GI0              0x00000002
 432 #define AR_ChainSel0        0x0000001c
 433 #define AR_ChainSel0_S      2
 434 #define AR_2040_1           0x00000020
 435 #define AR_GI1              0x00000040
 436 #define AR_ChainSel1        0x00000380
 437 #define AR_ChainSel1_S      7
 438 #define AR_2040_2           0x00000400
 439 #define AR_GI2              0x00000800
 440 #define AR_ChainSel2        0x00007000
 441 #define AR_ChainSel2_S      12
 442 #define AR_2040_3           0x00008000
 443 #define AR_GI3              0x00010000
 444 #define AR_ChainSel3        0x000e0000
 445 #define AR_ChainSel3_S      17
 446 #define AR_RTSCTSRate       0x0ff00000
 447 #define AR_RTSCTSRate_S     20
 448 #define AR_STBC0            0x10000000
 449 #define AR_STBC1            0x20000000
 450 #define AR_STBC2            0x40000000
 451 #define AR_STBC3            0x80000000
 452
 453 #define AR_TxRSSIAnt00      0x000000ff
 454 #define AR_TxRSSIAnt00_S    0
 455 #define AR_TxRSSIAnt01      0x0000ff00
 456 #define AR_TxRSSIAnt01_S    8
 457 #define AR_TxRSSIAnt02      0x00ff0000
 458 #define AR_TxRSSIAnt02_S    16
 459 #define AR_TxStatusRsvd00   0x3f000000
 460 #define AR_TxBaStatus       0x40000000
 461 #define AR_TxStatusRsvd01   0x80000000
 462
 463 /*
 464  * AR_FrmXmitOK - Frame transmission success flag. If set, the frame was
 465  * transmitted successfully. If clear, no ACK or BA was received to indicate
 466  * successful transmission when we were expecting an ACK or BA.
 467  */
 468 #define AR_FrmXmitOK            0x00000001
 469 #define AR_ExcessiveRetries     0x00000002
 470 #define AR_FIFOUnderrun         0x00000004
 471 #define AR_Filtered             0x00000008
 472 #define AR_RTSFailCnt           0x000000f0
 473 #define AR_RTSFailCnt_S         4
 474 #define AR_DataFailCnt          0x00000f00
 475 #define AR_DataFailCnt_S        8
 476 #define AR_VirtRetryCnt         0x0000f000
 477 #define AR_VirtRetryCnt_S       12
 478 #define AR_TxDelimUnderrun      0x00010000
 479 #define AR_TxDataUnderrun       0x00020000
 480 #define AR_DescCfgErr           0x00040000
 481 #define AR_TxTimerExpired       0x00080000
 482 #define AR_TxStatusRsvd10       0xfff00000
 483
 484 #define AR_SendTimestamp    ds_txstatus2
 485 #define AR_BaBitmapLow      ds_txstatus3
 486 #define AR_BaBitmapHigh     ds_txstatus4
 487
 488 #define AR_TxRSSIAnt10      0x000000ff
 489 #define AR_TxRSSIAnt10_S    0
 490 #define AR_TxRSSIAnt11      0x0000ff00
 491 #define AR_TxRSSIAnt11_S    8
 492 #define AR_TxRSSIAnt12      0x00ff0000
 493 #define AR_TxRSSIAnt12_S    16
 494 #define AR_TxRSSICombined   0xff000000
 495 #define AR_TxRSSICombined_S 24
 496
 497 #define AR_TxTid        0xf0000000
 498 #define AR_TxTid_S      28
 499
 500 #define AR_TxEVM0           ds_txstatus5
 501 #define AR_TxEVM1           ds_txstatus6
 502 #define AR_TxEVM2           ds_txstatus7
 503
 504 #define AR_TxDone           0x00000001
 505 #define AR_SeqNum           0x00001ffe
 506 #define AR_SeqNum_S         1
 507 #define AR_TxStatusRsvd80   0x0001e000
 508 #define AR_TxOpExceeded     0x00020000
 509 #define AR_TxStatusRsvd81   0x001c0000
 510 #define AR_FinalTxIdx       0x00600000
 511 #define AR_FinalTxIdx_S     21
 512 #define AR_TxStatusRsvd82   0x01800000
 513 #define AR_PowerMgmt        0x02000000
 514 #define AR_TxStatusRsvd83   0xfc000000
 515
 516 #define AR_RxCTLRsvd00  0xffffffff
 517
 518 #define AR_RxCtlRsvd00  0x00001000
 519 #define AR_RxIntrReq    0x00002000
 520 #define AR_RxCtlRsvd01  0xffffc000
 521
 522 #define AR_RxRSSIAnt00      0x000000ff
 523 #define AR_RxRSSIAnt00_S    0
 524 #define AR_RxRSSIAnt01      0x0000ff00
 525 #define AR_RxRSSIAnt01_S    8
 526 #define AR_RxRSSIAnt02      0x00ff0000
 527 #define AR_RxRSSIAnt02_S    16
 528 #define AR_RxRate           0xff000000
 529 #define AR_RxRate_S         24
 530 #define AR_RxStatusRsvd00   0xff000000
 531
 532 #define AR_DataLen          0x00000fff
 533 #define AR_RxMore           0x00001000
 534 #define AR_NumDelim         0x003fc000
 535 #define AR_NumDelim_S       14
 536 #define AR_RxStatusRsvd10   0xff800000
 537
 538 #define AR_RcvTimestamp     ds_rxstatus2
 539
 540 #define AR_GI               0x00000001
 541 #define AR_2040             0x00000002
 542 #define AR_Parallel40       0x00000004
 543 #define AR_Parallel40_S     2
 544 #define AR_STBC             0x00000008 /* on ar9280 and later */
 545 #define AR_RxStatusRsvd30   0x000000f0
 546 #define AR_RxAntenna        0xffffff00
 547 #define AR_RxAntenna_S      8
 548
 549 #define AR_RxRSSIAnt10            0x000000ff
 550 #define AR_RxRSSIAnt10_S          0
 551 #define AR_RxRSSIAnt11            0x0000ff00
 552 #define AR_RxRSSIAnt11_S          8
 553 #define AR_RxRSSIAnt12            0x00ff0000
 554 #define AR_RxRSSIAnt12_S          16
 555 #define AR_RxRSSICombined         0xff000000
 556 #define AR_RxRSSICombined_S       24
 557
 558 #define AR_RxEVM0           ds_rxstatus4
 559 #define AR_RxEVM1           ds_rxstatus5
 560 #define AR_RxEVM2           ds_rxstatus6
 561
 562 #define AR_RxDone           0x00000001
 563 #define AR_RxFrameOK        0x00000002
 564 #define AR_CRCErr           0x00000004
 565 #define AR_DecryptCRCErr    0x00000008
 566 #define AR_PHYErr           0x00000010
 567 #define AR_MichaelErr       0x00000020
 568 #define AR_PreDelimCRCErr   0x00000040
 569 #define AR_RxStatusRsvd70   0x00000080
 570 #define AR_RxKeyIdxValid    0x00000100
 571 #define AR_KeyIdx           0x0000fe00
 572 #define AR_KeyIdx_S         9
 573 #define AR_PHYErrCode       0x0000ff00
 574 #define AR_PHYErrCode_S     8
 575 #define AR_RxMoreAggr       0x00010000
 576 #define AR_RxAggr           0x00020000
 577 #define AR_PostDelimCRCErr  0x00040000
 578 #define AR_RxStatusRsvd71   0x3ff80000
 579 #define AR_RxFirstAggr      0x20000000
 580 #define AR_DecryptBusyErr   0x40000000
 581 #define AR_KeyMiss          0x80000000
 582
 583 enum ath9k_tx_queue {
 584         ATH9K_TX_QUEUE_INACTIVE = 0,
 585         ATH9K_TX_QUEUE_DATA,
 586         ATH9K_TX_QUEUE_BEACON,
 587         ATH9K_TX_QUEUE_CAB,
 588         ATH9K_TX_QUEUE_UAPSD,
 589         ATH9K_TX_QUEUE_PSPOLL
 590 };
 591
 592 #define ATH9K_NUM_TX_QUEUES 10
 593
 594 /* Used as a queue subtype instead of a WMM AC */
 595 #define ATH9K_WME_UPSD  4
 596
 597 enum ath9k_tx_queue_flags {
 598         TXQ_FLAG_TXINT_ENABLE = 0x0001,
 599         TXQ_FLAG_TXDESCINT_ENABLE = 0x0002,
 600         TXQ_FLAG_TXEOLINT_ENABLE = 0x0004,
 601         TXQ_FLAG_TXURNINT_ENABLE = 0x0008,
 602         TXQ_FLAG_BACKOFF_DISABLE = 0x0010,
 603         TXQ_FLAG_COMPRESSION_ENABLE = 0x0020,
 604         TXQ_FLAG_RDYTIME_EXP_POLICY_ENABLE = 0x0040,
 605         TXQ_FLAG_FRAG_BURST_BACKOFF_ENABLE = 0x0080,
 606 };
 607
 608 #define ATH9K_TXQ_USEDEFAULT ((u32) -1)
 609 #define ATH9K_TXQ_USE_LOCKOUT_BKOFF_DIS 0x00000001
 610
 611 #define ATH9K_DECOMP_MASK_SIZE     128
 612
 613 enum ath9k_pkt_type {
 614         ATH9K_PKT_TYPE_NORMAL = 0,
 615         ATH9K_PKT_TYPE_ATIM,
 616         ATH9K_PKT_TYPE_PSPOLL,
 617         ATH9K_PKT_TYPE_BEACON,
 618         ATH9K_PKT_TYPE_PROBE_RESP,
 619         ATH9K_PKT_TYPE_CHIRP,
 620         ATH9K_PKT_TYPE_GRP_POLL,
 621 };
 622
 623 struct ath9k_tx_queue_info {
 624         u32 tqi_ver;
 625         enum ath9k_tx_queue tqi_type;
 626         int tqi_subtype;
 627         enum ath9k_tx_queue_flags tqi_qflags;
 628         u32 tqi_priority;
 629         u32 tqi_aifs;
 630         u32 tqi_cwmin;
 631         u32 tqi_cwmax;
 632         u16 tqi_shretry;
 633         u16 tqi_lgretry;
 634         u32 tqi_cbrPeriod;
 635         u32 tqi_cbrOverflowLimit;
 636         u32 tqi_burstTime;
 637         u32 tqi_readyTime;
 638         u32 tqi_physCompBuf;
 639         u32 tqi_intFlags;
 640 };
 641
 642 enum ath9k_rx_filter {
 643         ATH9K_RX_FILTER_UCAST = 0x00000001,
 644         ATH9K_RX_FILTER_MCAST = 0x00000002,
 645         ATH9K_RX_FILTER_BCAST = 0x00000004,
 646         ATH9K_RX_FILTER_CONTROL = 0x00000008,
 647         ATH9K_RX_FILTER_BEACON = 0x00000010,
 648         ATH9K_RX_FILTER_PROM = 0x00000020,
 649         ATH9K_RX_FILTER_PROBEREQ = 0x00000080,
 650         ATH9K_RX_FILTER_PHYERR = 0x00000100,
 651         ATH9K_RX_FILTER_MYBEACON = 0x00000200,
 652         ATH9K_RX_FILTER_COMP_BAR = 0x00000400,
 653         ATH9K_RX_FILTER_COMP_BA = 0x00000800,
 654         ATH9K_RX_FILTER_UNCOMP_BA_BAR = 0x00001000,
 655         ATH9K_RX_FILTER_PSPOLL = 0x00004000,
 656         ATH9K_RX_FILTER_PHYRADAR = 0x00002000,
 657         ATH9K_RX_FILTER_MCAST_BCAST_ALL = 0x00008000,
 658         ATH9K_RX_FILTER_CONTROL_WRAPPER = 0x00080000,
 659         ATH9K_RX_FILTER_4ADDRESS = 0x00100000,
 660 };
 661
 662 #define ATH9K_RATESERIES_RTS_CTS  0x0001
 663 #define ATH9K_RATESERIES_2040     0x0002
 664 #define ATH9K_RATESERIES_HALFGI   0x0004
 665 #define ATH9K_RATESERIES_STBC     0x0008
 666
 667 struct ath9k_11n_rate_series {
 668         u32 Tries;
 669         u32 Rate;
 670         u32 PktDuration;
 671         u32 ChSel;
 672         u32 RateFlags;
 673 };
 674
 675 enum aggr_type {
 676         AGGR_BUF_NONE,
 677         AGGR_BUF_FIRST,
 678         AGGR_BUF_MIDDLE,
 679         AGGR_BUF_LAST,
 680 };
 681
 682 enum ath9k_key_type {
 683         ATH9K_KEY_TYPE_CLEAR,
 684         ATH9K_KEY_TYPE_WEP,
 685         ATH9K_KEY_TYPE_AES,
 686         ATH9K_KEY_TYPE_TKIP,
 687 };
 688
 689 struct ath_tx_info {
 690         u8 qcu;
 691
 692         bool is_first;
 693         bool is_last;
 694
 695         enum aggr_type aggr;
 696         u8 ndelim;
 697         u16 aggr_len;
 698
 699         dma_addr_t link;
 700         int pkt_len;
 701         u32 flags;
 702
 703         dma_addr_t buf_addr[4];
 704         int buf_len[4];
 705
 706         struct ath9k_11n_rate_series rates[4];
 707         u8 rtscts_rate;
 708         bool dur_update;
 709
 710         enum ath9k_pkt_type type;
 711         enum ath9k_key_type keytype;
 712         u8 keyix;
 713         u8 txpower[4];
 714 };
 715
 716 struct ath_hw;
 717 struct ath9k_channel;
 718 enum ath9k_int;
 719
 720 u32 ath9k_hw_gettxbuf(struct ath_hw *ah, u32 q);
 721 void ath9k_hw_puttxbuf(struct ath_hw *ah, u32 q, u32 txdp);
 722 void ath9k_hw_txstart(struct ath_hw *ah, u32 q);
 723 u32 ath9k_hw_numtxpending(struct ath_hw *ah, u32 q);
 724 bool ath9k_hw_updatetxtriglevel(struct ath_hw *ah, bool bIncTrigLevel);
 725 bool ath9k_hw_stop_dma_queue(struct ath_hw *ah, u32 q);
 726 void ath9k_hw_abort_tx_dma(struct ath_hw *ah);
 727 bool ath9k_hw_set_txq_props(struct ath_hw *ah, int q,
 728                             const struct ath9k_tx_queue_info *qinfo);
 729 bool ath9k_hw_get_txq_props(struct ath_hw *ah, int q,
 730                             struct ath9k_tx_queue_info *qinfo);
 731 int ath9k_hw_setuptxqueue(struct ath_hw *ah, enum ath9k_tx_queue type,
 732                           const struct ath9k_tx_queue_info *qinfo);
 733 bool ath9k_hw_releasetxqueue(struct ath_hw *ah, u32 q);
 734 bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q);
 735 int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds,
 736                         struct ath_rx_status *rs);
 737 void ath9k_hw_setuprxdesc(struct ath_hw *ah, struct ath_desc *ds,
 738                           u32 size, u32 flags);
 739 bool ath9k_hw_setrxabort(struct ath_hw *ah, bool set);
 740 void ath9k_hw_putrxbuf(struct ath_hw *ah, u32 rxdp);
 741 void ath9k_hw_startpcureceive(struct ath_hw *ah, bool is_scanning);
 742 void ath9k_hw_abortpcurecv(struct ath_hw *ah);
 743 bool ath9k_hw_stopdmarecv(struct ath_hw *ah, bool *reset);
 744 int ath9k_hw_beaconq_setup(struct ath_hw *ah);
 745 void ath9k_hw_set_tx_filter(struct ath_hw *ah, u8 destidx, bool set);
 746
 747 /* Interrupt Handling */
 748 bool ath9k_hw_intrpend(struct ath_hw *ah);
 749 void ath9k_hw_set_interrupts(struct ath_hw *ah);
 750 void ath9k_hw_enable_interrupts(struct ath_hw *ah);
 751 void ath9k_hw_disable_interrupts(struct ath_hw *ah);
 752 void ath9k_hw_kill_interrupts(struct ath_hw *ah);
 753 void ath9k_hw_resume_interrupts(struct ath_hw *ah);
 754
 755 void ar9002_hw_attach_mac_ops(struct ath_hw *ah);
 756
 757 #endif /* MAC_H */