1 /*- 2 * SPDX-License-Identifier: ISC 3 * 4 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting 5 * Copyright (c) 2002-2008 Atheros Communications, Inc. 6 * 7 * Permission to use, copy, modify, and/or distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 */ 19 #ifndef _ATH_AR5416_DESC_H_ 20 #define _ATH_AR5416_DESC_H_ 21 22 /* 23 * Hardware-specific descriptor structures. 24 */ 25 26 /* XXX Need to replace this with a dynamic 27 * method of determining Owl2 if possible 28 */ 29 #define _get_index(_ah) ( IS_5416V1(_ah) ? -4 : 0 ) 30 #define AR5416_DS_TXSTATUS(_ah, _ads) \ 31 ((uint32_t*)(&(_ads)->u.tx.status[_get_index(_ah)])) 32 #define AR5416_DS_TXSTATUS_CONST(_ah, _ads) \ 33 ((const uint32_t*)(&(_ads)->u.tx.status[_get_index(_ah)])) 34 35 #define AR5416_NUM_TX_STATUS 10 /* Number of TX status words */ 36 /* Clear the whole descriptor */ 37 #define AR5416_DESC_TX_CTL_SZ sizeof(struct ar5416_tx_desc) 38 39 struct ar5416_tx_desc { /* tx desc has 12 control words + 10 status words */ 40 uint32_t ctl2; 41 uint32_t ctl3; 42 uint32_t ctl4; 43 uint32_t ctl5; 44 uint32_t ctl6; 45 uint32_t ctl7; 46 uint32_t ctl8; 47 uint32_t ctl9; 48 uint32_t ctl10; 49 uint32_t ctl11; 50 uint32_t status[AR5416_NUM_TX_STATUS]; 51 }; 52 53 struct ar5416_rx_desc { /* rx desc has 2 control words + 9 status words */ 54 uint32_t status0; 55 uint32_t status1; 56 uint32_t status2; 57 uint32_t status3; 58 uint32_t status4; 59 uint32_t status5; 60 uint32_t status6; 61 uint32_t status7; 62 uint32_t status8; 63 }; 64 65 struct ar5416_desc { 66 uint32_t ds_link; /* link pointer */ 67 uint32_t ds_data; /* data buffer pointer */ 68 uint32_t ds_ctl0; /* DMA control 0 */ 69 uint32_t ds_ctl1; /* DMA control 1 */ 70 union { 71 struct ar5416_tx_desc tx; 72 struct ar5416_rx_desc rx; 73 } u; 74 } __packed; 75 #define AR5416DESC(_ds) ((struct ar5416_desc *)(_ds)) 76 #define AR5416DESC_CONST(_ds) ((const struct ar5416_desc *)(_ds)) 77 78 #define ds_ctl2 u.tx.ctl2 79 #define ds_ctl3 u.tx.ctl3 80 #define ds_ctl4 u.tx.ctl4 81 #define ds_ctl5 u.tx.ctl5 82 #define ds_ctl6 u.tx.ctl6 83 #define ds_ctl7 u.tx.ctl7 84 #define ds_ctl8 u.tx.ctl8 85 #define ds_ctl9 u.tx.ctl9 86 #define ds_ctl10 u.tx.ctl10 87 #define ds_ctl11 u.tx.ctl11 88 89 #define ds_rxstatus0 u.rx.status0 90 #define ds_rxstatus1 u.rx.status1 91 #define ds_rxstatus2 u.rx.status2 92 #define ds_rxstatus3 u.rx.status3 93 #define ds_rxstatus4 u.rx.status4 94 #define ds_rxstatus5 u.rx.status5 95 #define ds_rxstatus6 u.rx.status6 96 #define ds_rxstatus7 u.rx.status7 97 #define ds_rxstatus8 u.rx.status8 98 99 /*********** 100 * TX Desc * 101 ***********/ 102 103 /* ds_ctl0 */ 104 #define AR_FrameLen 0x00000fff 105 #define AR_VirtMoreFrag 0x00001000 106 #define AR_TxCtlRsvd00 0x0000e000 107 #define AR_XmitPower 0x003f0000 108 #define AR_XmitPower_S 16 109 #define AR_RTSEnable 0x00400000 110 #define AR_VEOL 0x00800000 111 #define AR_ClrDestMask 0x01000000 112 #define AR_TxCtlRsvd01 0x1e000000 113 #define AR_TxIntrReq 0x20000000 114 #define AR_DestIdxValid 0x40000000 115 #define AR_CTSEnable 0x80000000 116 117 /* ds_ctl1 */ 118 #define AR_BufLen 0x00000fff 119 #define AR_TxMore 0x00001000 120 #define AR_DestIdx 0x000fe000 121 #define AR_DestIdx_S 13 122 #define AR_FrameType 0x00f00000 123 #define AR_FrameType_S 20 124 #define AR_NoAck 0x01000000 125 #define AR_InsertTS 0x02000000 126 #define AR_CorruptFCS 0x04000000 127 #define AR_ExtOnly 0x08000000 128 #define AR_ExtAndCtl 0x10000000 129 #define AR_MoreAggr 0x20000000 130 #define AR_IsAggr 0x40000000 131 #define AR_MoreRifs 0x80000000 132 133 /* ds_ctl2 */ 134 #define AR_BurstDur 0x00007fff 135 #define AR_BurstDur_S 0 136 #define AR_DurUpdateEn 0x00008000 137 #define AR_XmitDataTries0 0x000f0000 138 #define AR_XmitDataTries0_S 16 139 #define AR_XmitDataTries1 0x00f00000 140 #define AR_XmitDataTries1_S 20 141 #define AR_XmitDataTries2 0x0f000000 142 #define AR_XmitDataTries2_S 24 143 #define AR_XmitDataTries3 0xf0000000 144 #define AR_XmitDataTries3_S 28 145 146 /* ds_ctl3 */ 147 #define AR_XmitRate0 0x000000ff 148 #define AR_XmitRate0_S 0 149 #define AR_XmitRate1 0x0000ff00 150 #define AR_XmitRate1_S 8 151 #define AR_XmitRate2 0x00ff0000 152 #define AR_XmitRate2_S 16 153 #define AR_XmitRate3 0xff000000 154 #define AR_XmitRate3_S 24 155 156 /* ds_ctl4 */ 157 #define AR_PacketDur0 0x00007fff 158 #define AR_PacketDur0_S 0 159 #define AR_RTSCTSQual0 0x00008000 160 #define AR_PacketDur1 0x7fff0000 161 #define AR_PacketDur1_S 16 162 #define AR_RTSCTSQual1 0x80000000 163 164 /* ds_ctl5 */ 165 #define AR_PacketDur2 0x00007fff 166 #define AR_PacketDur2_S 0 167 #define AR_RTSCTSQual2 0x00008000 168 #define AR_PacketDur3 0x7fff0000 169 #define AR_PacketDur3_S 16 170 #define AR_RTSCTSQual3 0x80000000 171 172 /* ds_ctl6 */ 173 #define AR_AggrLen 0x0000ffff 174 #define AR_AggrLen_S 0 175 #define AR_TxCtlRsvd60 0x00030000 176 #define AR_PadDelim 0x03fc0000 177 #define AR_PadDelim_S 18 178 #define AR_EncrType 0x0c000000 179 #define AR_EncrType_S 26 180 #define AR_TxCtlRsvd61 0xf0000000 181 182 /* ds_ctl7 */ 183 #define AR_2040_0 0x00000001 184 #define AR_GI0 0x00000002 185 #define AR_ChainSel0 0x0000001c 186 #define AR_ChainSel0_S 2 187 #define AR_2040_1 0x00000020 188 #define AR_GI1 0x00000040 189 #define AR_ChainSel1 0x00000380 190 #define AR_ChainSel1_S 7 191 #define AR_2040_2 0x00000400 192 #define AR_GI2 0x00000800 193 #define AR_ChainSel2 0x00007000 194 #define AR_ChainSel2_S 12 195 #define AR_2040_3 0x00008000 196 #define AR_GI3 0x00010000 197 #define AR_ChainSel3 0x000e0000 198 #define AR_ChainSel3_S 17 199 #define AR_RTSCTSRate 0x0ff00000 200 #define AR_RTSCTSRate_S 20 201 #define AR_STBC0 0x10000000 202 #define AR_STBC1 0x20000000 203 #define AR_STBC2 0x40000000 204 #define AR_STBC3 0x80000000 205 206 /* ds_ctl8 */ 207 #define AR_AntCtl0 0x00ffffff 208 #define AR_AntCtl0_S 0 209 /* Xmit 0 TPC is AR_XmitPower in ctl0 */ 210 211 /* ds_ctl9 */ 212 #define AR_AntCtl1 0x00ffffff 213 #define AR_AntCtl1_S 0 214 #define AR_XmitPower1 0xff000000 215 #define AR_XmitPower1_S 24 216 217 /* ds_ctl10 */ 218 #define AR_AntCtl2 0x00ffffff 219 #define AR_AntCtl2_S 0 220 #define AR_XmitPower2 0xff000000 221 #define AR_XmitPower2_S 24 222 223 /* ds_ctl11 */ 224 #define AR_AntCtl3 0x00ffffff 225 #define AR_AntCtl3_S 0 226 #define AR_XmitPower3 0xff000000 227 #define AR_XmitPower3_S 24 228 229 /************* 230 * TX Status * 231 *************/ 232 233 /* ds_status0 */ 234 #define AR_TxRSSIAnt00 0x000000ff 235 #define AR_TxRSSIAnt00_S 0 236 #define AR_TxRSSIAnt01 0x0000ff00 237 #define AR_TxRSSIAnt01_S 8 238 #define AR_TxRSSIAnt02 0x00ff0000 239 #define AR_TxRSSIAnt02_S 16 240 #define AR_TxStatusRsvd00 0x3f000000 241 #define AR_TxBaStatus 0x40000000 242 #define AR_TxStatusRsvd01 0x80000000 243 244 /* ds_status1 */ 245 #define AR_FrmXmitOK 0x00000001 246 #define AR_ExcessiveRetries 0x00000002 247 #define AR_FIFOUnderrun 0x00000004 248 #define AR_Filtered 0x00000008 249 #define AR_RTSFailCnt 0x000000f0 250 #define AR_RTSFailCnt_S 4 251 #define AR_DataFailCnt 0x00000f00 252 #define AR_DataFailCnt_S 8 253 #define AR_VirtRetryCnt 0x0000f000 254 #define AR_VirtRetryCnt_S 12 255 #define AR_TxDelimUnderrun 0x00010000 256 #define AR_TxDelimUnderrun_S 13 257 #define AR_TxDataUnderrun 0x00020000 258 #define AR_TxDataUnderrun_S 14 259 #define AR_DescCfgErr 0x00040000 260 #define AR_DescCfgErr_S 15 261 #define AR_TxTimerExpired 0x00080000 262 #define AR_TxStatusRsvd10 0xfff00000 263 264 /* ds_status2 */ 265 #define AR_SendTimestamp(_ptr) (_ptr)[2] 266 267 /* ds_status3 */ 268 #define AR_BaBitmapLow(_ptr) (_ptr)[3] 269 270 /* ds_status4 */ 271 #define AR_BaBitmapHigh(_ptr) (_ptr)[4] 272 273 /* ds_status5 */ 274 #define AR_TxRSSIAnt10 0x000000ff 275 #define AR_TxRSSIAnt10_S 0 276 #define AR_TxRSSIAnt11 0x0000ff00 277 #define AR_TxRSSIAnt11_S 8 278 #define AR_TxRSSIAnt12 0x00ff0000 279 #define AR_TxRSSIAnt12_S 16 280 #define AR_TxRSSICombined 0xff000000 281 #define AR_TxRSSICombined_S 24 282 283 /* ds_status6 */ 284 #define AR_TxEVM0(_ptr) (_ptr)[6] 285 286 /* ds_status7 */ 287 #define AR_TxEVM1(_ptr) (_ptr)[7] 288 289 /* ds_status8 */ 290 #define AR_TxEVM2(_ptr) (_ptr)[8] 291 292 /* ds_status9 */ 293 #define AR_TxDone 0x00000001 294 #define AR_SeqNum 0x00001ffe 295 #define AR_SeqNum_S 1 296 #define AR_TxStatusRsvd80 0x0001e000 297 #define AR_TxOpExceeded 0x00020000 298 #define AR_TxStatusRsvd81 0x001c0000 299 #define AR_FinalTxIdx 0x00600000 300 #define AR_FinalTxIdx_S 21 301 #define AR_TxStatusRsvd82 0x01800000 302 #define AR_PowerMgmt 0x02000000 303 #define AR_TxTid 0xf0000000 304 #define AR_TxTid_S 28 305 #define AR_TxStatusRsvd83 0xfc000000 306 307 /*********** 308 * RX Desc * 309 ***********/ 310 311 /* ds_ctl0 */ 312 #define AR_RxCTLRsvd00 0xffffffff 313 314 /* ds_ctl1 */ 315 #define AR_BufLen 0x00000fff 316 #define AR_RxCtlRsvd00 0x00001000 317 #define AR_RxIntrReq 0x00002000 318 #define AR_RxCtlRsvd01 0xffffc000 319 320 /************* 321 * Rx Status * 322 *************/ 323 324 /* ds_status0 */ 325 #define AR_RxRSSIAnt00 0x000000ff 326 #define AR_RxRSSIAnt00_S 0 327 #define AR_RxRSSIAnt01 0x0000ff00 328 #define AR_RxRSSIAnt01_S 8 329 #define AR_RxRSSIAnt02 0x00ff0000 330 #define AR_RxRSSIAnt02_S 16 331 /* Rev specific */ 332 /* Owl 1.x only */ 333 #define AR_RxStatusRsvd00 0xff000000 334 /* Owl 2.x only */ 335 #define AR_RxRate 0xff000000 336 #define AR_RxRate_S 24 337 338 /* ds_status1 */ 339 #define AR_DataLen 0x00000fff 340 #define AR_RxMore 0x00001000 341 #define AR_NumDelim 0x003fc000 342 #define AR_NumDelim_S 14 343 #define AR_RxStatusRsvd10 0xff800000 344 345 /* ds_status2 */ 346 #define AR_RcvTimestamp ds_rxstatus2 347 348 /* ds_status3 */ 349 #define AR_GI 0x00000001 350 #define AR_2040 0x00000002 351 /* Rev specific */ 352 /* Owl 1.x only */ 353 #define AR_RxRateV1 0x000003fc 354 #define AR_RxRateV1_S 2 355 #define AR_Parallel40 0x00000400 356 #define AR_RxStatusRsvd30 0xfffff800 357 /* Owl 2.x only */ 358 #define AR_DupFrame 0x00000004 359 #define AR_STBCFrame 0x00000008 360 #define AR_RxAntenna 0xffffff00 361 #define AR_RxAntenna_S 8 362 363 /* ds_status4 */ 364 #define AR_RxRSSIAnt10 0x000000ff 365 #define AR_RxRSSIAnt10_S 0 366 #define AR_RxRSSIAnt11 0x0000ff00 367 #define AR_RxRSSIAnt11_S 8 368 #define AR_RxRSSIAnt12 0x00ff0000 369 #define AR_RxRSSIAnt12_S 16 370 #define AR_RxRSSICombined 0xff000000 371 #define AR_RxRSSICombined_S 24 372 373 /* ds_status5 */ 374 #define AR_RxEVM0 ds_rxstatus5 375 376 /* ds_status6 */ 377 #define AR_RxEVM1 ds_rxstatus6 378 379 /* ds_status7 */ 380 #define AR_RxEVM2 ds_rxstatus7 381 382 /* ds_status8 */ 383 #define AR_RxDone 0x00000001 384 #define AR_RxFrameOK 0x00000002 385 #define AR_CRCErr 0x00000004 386 #define AR_DecryptCRCErr 0x00000008 387 #define AR_PHYErr 0x00000010 388 #define AR_MichaelErr 0x00000020 389 #define AR_PreDelimCRCErr 0x00000040 390 #define AR_RxStatusRsvd70 0x00000080 391 #define AR_RxKeyIdxValid 0x00000100 392 #define AR_KeyIdx 0x0000fe00 393 #define AR_KeyIdx_S 9 394 #define AR_PHYErrCode 0x0000ff00 395 #define AR_PHYErrCode_S 8 396 #define AR_RxMoreAggr 0x00010000 397 #define AR_RxAggr 0x00020000 398 #define AR_PostDelimCRCErr 0x00040000 399 #define AR_RxStatusRsvd71 0x2ff80000 400 #define AR_HiRxChain 0x10000000 401 #define AR_DecryptBusyErr 0x40000000 402 #define AR_KeyMiss 0x80000000 403 404 #define TXCTL_OFFSET(ah) 2 405 #define TXCTL_NUMWORDS(ah) (AR_SREV_5416_V20_OR_LATER(ah) ? 12 : 8) 406 #define TXSTATUS_OFFSET(ah) (AR_SREV_5416_V20_OR_LATER(ah) ? 14 : 10) 407 #define TXSTATUS_NUMWORDS(ah) 10 408 409 #define RXCTL_OFFSET(ah) 3 410 #define RXCTL_NUMWORDS(ah) 1 411 #define RXSTATUS_OFFSET(ah) 4 412 #define RXSTATUS_NUMWORDS(ah) 9 413 #define RXSTATUS_RATE(ah, ads) \ 414 (AR_SREV_5416_V20_OR_LATER(ah) ? \ 415 MS((ads)->ds_rxstatus0, AR_RxRate) : \ 416 ((ads)->ds_rxstatus3 >> 2) & 0xFF) 417 #define RXSTATUS_DUPLICATE(ah, ads) \ 418 (AR_SREV_5416_V20_OR_LATER(ah) ? \ 419 MS((ads)->ds_rxstatus3, AR_Parallel40) : \ 420 ((ads)->ds_rxstatus3 >> 10) & 0x1) 421 #endif /* _ATH_AR5416_DESC_H_ */ 422