Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/ath/ath_hal/ar5416/ar5416desc.h
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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 * $FreeBSD$ 20 */ 21 #ifndef _ATH_AR5416_DESC_H_ 22 #define _ATH_AR5416_DESC_H_ 23 24 /* 25 * Hardware-specific descriptor structures. 26 */ 27 28 /* XXX Need to replace this with a dynamic 29 * method of determining Owl2 if possible 30 */ 31 #define _get_index(_ah) ( IS_5416V1(_ah) ? -4 : 0 ) 32 #define AR5416_DS_TXSTATUS(_ah, _ads) \ 33 ((uint32_t*)(&(_ads)->u.tx.status[_get_index(_ah)])) 34 #define AR5416_DS_TXSTATUS_CONST(_ah, _ads) \ 35 ((const uint32_t*)(&(_ads)->u.tx.status[_get_index(_ah)])) 36 37 #define AR5416_NUM_TX_STATUS 10 /* Number of TX status words */ 38 /* Clear the whole descriptor */ 39 #define AR5416_DESC_TX_CTL_SZ sizeof(struct ar5416_tx_desc) 40 41 struct ar5416_tx_desc { /* tx desc has 12 control words + 10 status words */ 42 uint32_t ctl2; 43 uint32_t ctl3; 44 uint32_t ctl4; 45 uint32_t ctl5; 46 uint32_t ctl6; 47 uint32_t ctl7; 48 uint32_t ctl8; 49 uint32_t ctl9; 50 uint32_t ctl10; 51 uint32_t ctl11; 52 uint32_t status[AR5416_NUM_TX_STATUS]; 53 }; 54 55 struct ar5416_rx_desc { /* rx desc has 2 control words + 9 status words */ 56 uint32_t status0; 57 uint32_t status1; 58 uint32_t status2; 59 uint32_t status3; 60 uint32_t status4; 61 uint32_t status5; 62 uint32_t status6; 63 uint32_t status7; 64 uint32_t status8; 65 }; 66 67 struct ar5416_desc { 68 uint32_t ds_link; /* link pointer */ 69 uint32_t ds_data; /* data buffer pointer */ 70 uint32_t ds_ctl0; /* DMA control 0 */ 71 uint32_t ds_ctl1; /* DMA control 1 */ 72 union { 73 struct ar5416_tx_desc tx; 74 struct ar5416_rx_desc rx; 75 } u; 76 } __packed; 77 #define AR5416DESC(_ds) ((struct ar5416_desc *)(_ds)) 78 #define AR5416DESC_CONST(_ds) ((const struct ar5416_desc *)(_ds)) 79 80 #define ds_ctl2 u.tx.ctl2 81 #define ds_ctl3 u.tx.ctl3 82 #define ds_ctl4 u.tx.ctl4 83 #define ds_ctl5 u.tx.ctl5 84 #define ds_ctl6 u.tx.ctl6 85 #define ds_ctl7 u.tx.ctl7 86 #define ds_ctl8 u.tx.ctl8 87 #define ds_ctl9 u.tx.ctl9 88 #define ds_ctl10 u.tx.ctl10 89 #define ds_ctl11 u.tx.ctl11 90 91 #define ds_rxstatus0 u.rx.status0 92 #define ds_rxstatus1 u.rx.status1 93 #define ds_rxstatus2 u.rx.status2 94 #define ds_rxstatus3 u.rx.status3 95 #define ds_rxstatus4 u.rx.status4 96 #define ds_rxstatus5 u.rx.status5 97 #define ds_rxstatus6 u.rx.status6 98 #define ds_rxstatus7 u.rx.status7 99 #define ds_rxstatus8 u.rx.status8 100 101 /*********** 102 * TX Desc * 103 ***********/ 104 105 /* ds_ctl0 */ 106 #define AR_FrameLen 0x00000fff 107 #define AR_VirtMoreFrag 0x00001000 108 #define AR_TxCtlRsvd00 0x0000e000 109 #define AR_XmitPower 0x003f0000 110 #define AR_XmitPower_S 16 111 #define AR_RTSEnable 0x00400000 112 #define AR_VEOL 0x00800000 113 #define AR_ClrDestMask 0x01000000 114 #define AR_TxCtlRsvd01 0x1e000000 115 #define AR_TxIntrReq 0x20000000 116 #define AR_DestIdxValid 0x40000000 117 #define AR_CTSEnable 0x80000000 118 119 /* ds_ctl1 */ 120 #define AR_BufLen 0x00000fff 121 #define AR_TxMore 0x00001000 122 #define AR_DestIdx 0x000fe000 123 #define AR_DestIdx_S 13 124 #define AR_FrameType 0x00f00000 125 #define AR_FrameType_S 20 126 #define AR_NoAck 0x01000000 127 #define AR_InsertTS 0x02000000 128 #define AR_CorruptFCS 0x04000000 129 #define AR_ExtOnly 0x08000000 130 #define AR_ExtAndCtl 0x10000000 131 #define AR_MoreAggr 0x20000000 132 #define AR_IsAggr 0x40000000 133 #define AR_MoreRifs 0x80000000 134 135 /* ds_ctl2 */ 136 #define AR_BurstDur 0x00007fff 137 #define AR_BurstDur_S 0 138 #define AR_DurUpdateEn 0x00008000 139 #define AR_XmitDataTries0 0x000f0000 140 #define AR_XmitDataTries0_S 16 141 #define AR_XmitDataTries1 0x00f00000 142 #define AR_XmitDataTries1_S 20 143 #define AR_XmitDataTries2 0x0f000000 144 #define AR_XmitDataTries2_S 24 145 #define AR_XmitDataTries3 0xf0000000 146 #define AR_XmitDataTries3_S 28 147 148 /* ds_ctl3 */ 149 #define AR_XmitRate0 0x000000ff 150 #define AR_XmitRate0_S 0 151 #define AR_XmitRate1 0x0000ff00 152 #define AR_XmitRate1_S 8 153 #define AR_XmitRate2 0x00ff0000 154 #define AR_XmitRate2_S 16 155 #define AR_XmitRate3 0xff000000 156 #define AR_XmitRate3_S 24 157 158 /* ds_ctl4 */ 159 #define AR_PacketDur0 0x00007fff 160 #define AR_PacketDur0_S 0 161 #define AR_RTSCTSQual0 0x00008000 162 #define AR_PacketDur1 0x7fff0000 163 #define AR_PacketDur1_S 16 164 #define AR_RTSCTSQual1 0x80000000 165 166 /* ds_ctl5 */ 167 #define AR_PacketDur2 0x00007fff 168 #define AR_PacketDur2_S 0 169 #define AR_RTSCTSQual2 0x00008000 170 #define AR_PacketDur3 0x7fff0000 171 #define AR_PacketDur3_S 16 172 #define AR_RTSCTSQual3 0x80000000 173 174 /* ds_ctl6 */ 175 #define AR_AggrLen 0x0000ffff 176 #define AR_AggrLen_S 0 177 #define AR_TxCtlRsvd60 0x00030000 178 #define AR_PadDelim 0x03fc0000 179 #define AR_PadDelim_S 18 180 #define AR_EncrType 0x0c000000 181 #define AR_EncrType_S 26 182 #define AR_TxCtlRsvd61 0xf0000000 183 184 /* ds_ctl7 */ 185 #define AR_2040_0 0x00000001 186 #define AR_GI0 0x00000002 187 #define AR_ChainSel0 0x0000001c 188 #define AR_ChainSel0_S 2 189 #define AR_2040_1 0x00000020 190 #define AR_GI1 0x00000040 191 #define AR_ChainSel1 0x00000380 192 #define AR_ChainSel1_S 7 193 #define AR_2040_2 0x00000400 194 #define AR_GI2 0x00000800 195 #define AR_ChainSel2 0x00007000 196 #define AR_ChainSel2_S 12 197 #define AR_2040_3 0x00008000 198 #define AR_GI3 0x00010000 199 #define AR_ChainSel3 0x000e0000 200 #define AR_ChainSel3_S 17 201 #define AR_RTSCTSRate 0x0ff00000 202 #define AR_RTSCTSRate_S 20 203 #define AR_STBC0 0x10000000 204 #define AR_STBC1 0x20000000 205 #define AR_STBC2 0x40000000 206 #define AR_STBC3 0x80000000 207 208 /* ds_ctl8 */ 209 #define AR_AntCtl0 0x00ffffff 210 #define AR_AntCtl0_S 0 211 /* Xmit 0 TPC is AR_XmitPower in ctl0 */ 212 213 /* ds_ctl9 */ 214 #define AR_AntCtl1 0x00ffffff 215 #define AR_AntCtl1_S 0 216 #define AR_XmitPower1 0xff000000 217 #define AR_XmitPower1_S 24 218 219 /* ds_ctl10 */ 220 #define AR_AntCtl2 0x00ffffff 221 #define AR_AntCtl2_S 0 222 #define AR_XmitPower2 0xff000000 223 #define AR_XmitPower2_S 24 224 225 /* ds_ctl11 */ 226 #define AR_AntCtl3 0x00ffffff 227 #define AR_AntCtl3_S 0 228 #define AR_XmitPower3 0xff000000 229 #define AR_XmitPower3_S 24 230 231 /************* 232 * TX Status * 233 *************/ 234 235 /* ds_status0 */ 236 #define AR_TxRSSIAnt00 0x000000ff 237 #define AR_TxRSSIAnt00_S 0 238 #define AR_TxRSSIAnt01 0x0000ff00 239 #define AR_TxRSSIAnt01_S 8 240 #define AR_TxRSSIAnt02 0x00ff0000 241 #define AR_TxRSSIAnt02_S 16 242 #define AR_TxStatusRsvd00 0x3f000000 243 #define AR_TxBaStatus 0x40000000 244 #define AR_TxStatusRsvd01 0x80000000 245 246 /* ds_status1 */ 247 #define AR_FrmXmitOK 0x00000001 248 #define AR_ExcessiveRetries 0x00000002 249 #define AR_FIFOUnderrun 0x00000004 250 #define AR_Filtered 0x00000008 251 #define AR_RTSFailCnt 0x000000f0 252 #define AR_RTSFailCnt_S 4 253 #define AR_DataFailCnt 0x00000f00 254 #define AR_DataFailCnt_S 8 255 #define AR_VirtRetryCnt 0x0000f000 256 #define AR_VirtRetryCnt_S 12 257 #define AR_TxDelimUnderrun 0x00010000 258 #define AR_TxDelimUnderrun_S 13 259 #define AR_TxDataUnderrun 0x00020000 260 #define AR_TxDataUnderrun_S 14 261 #define AR_DescCfgErr 0x00040000 262 #define AR_DescCfgErr_S 15 263 #define AR_TxTimerExpired 0x00080000 264 #define AR_TxStatusRsvd10 0xfff00000 265 266 /* ds_status2 */ 267 #define AR_SendTimestamp(_ptr) (_ptr)[2] 268 269 /* ds_status3 */ 270 #define AR_BaBitmapLow(_ptr) (_ptr)[3] 271 272 /* ds_status4 */ 273 #define AR_BaBitmapHigh(_ptr) (_ptr)[4] 274 275 /* ds_status5 */ 276 #define AR_TxRSSIAnt10 0x000000ff 277 #define AR_TxRSSIAnt10_S 0 278 #define AR_TxRSSIAnt11 0x0000ff00 279 #define AR_TxRSSIAnt11_S 8 280 #define AR_TxRSSIAnt12 0x00ff0000 281 #define AR_TxRSSIAnt12_S 16 282 #define AR_TxRSSICombined 0xff000000 283 #define AR_TxRSSICombined_S 24 284 285 /* ds_status6 */ 286 #define AR_TxEVM0(_ptr) (_ptr)[6] 287 288 /* ds_status7 */ 289 #define AR_TxEVM1(_ptr) (_ptr)[7] 290 291 /* ds_status8 */ 292 #define AR_TxEVM2(_ptr) (_ptr)[8] 293 294 /* ds_status9 */ 295 #define AR_TxDone 0x00000001 296 #define AR_SeqNum 0x00001ffe 297 #define AR_SeqNum_S 1 298 #define AR_TxStatusRsvd80 0x0001e000 299 #define AR_TxOpExceeded 0x00020000 300 #define AR_TxStatusRsvd81 0x001c0000 301 #define AR_FinalTxIdx 0x00600000 302 #define AR_FinalTxIdx_S 21 303 #define AR_TxStatusRsvd82 0x01800000 304 #define AR_PowerMgmt 0x02000000 305 #define AR_TxTid 0xf0000000 306 #define AR_TxTid_S 28 307 #define AR_TxStatusRsvd83 0xfc000000 308 309 /*********** 310 * RX Desc * 311 ***********/ 312 313 /* ds_ctl0 */ 314 #define AR_RxCTLRsvd00 0xffffffff 315 316 /* ds_ctl1 */ 317 #define AR_BufLen 0x00000fff 318 #define AR_RxCtlRsvd00 0x00001000 319 #define AR_RxIntrReq 0x00002000 320 #define AR_RxCtlRsvd01 0xffffc000 321 322 /************* 323 * Rx Status * 324 *************/ 325 326 /* ds_status0 */ 327 #define AR_RxRSSIAnt00 0x000000ff 328 #define AR_RxRSSIAnt00_S 0 329 #define AR_RxRSSIAnt01 0x0000ff00 330 #define AR_RxRSSIAnt01_S 8 331 #define AR_RxRSSIAnt02 0x00ff0000 332 #define AR_RxRSSIAnt02_S 16 333 /* Rev specific */ 334 /* Owl 1.x only */ 335 #define AR_RxStatusRsvd00 0xff000000 336 /* Owl 2.x only */ 337 #define AR_RxRate 0xff000000 338 #define AR_RxRate_S 24 339 340 /* ds_status1 */ 341 #define AR_DataLen 0x00000fff 342 #define AR_RxMore 0x00001000 343 #define AR_NumDelim 0x003fc000 344 #define AR_NumDelim_S 14 345 #define AR_RxStatusRsvd10 0xff800000 346 347 /* ds_status2 */ 348 #define AR_RcvTimestamp ds_rxstatus2 349 350 /* ds_status3 */ 351 #define AR_GI 0x00000001 352 #define AR_2040 0x00000002 353 /* Rev specific */ 354 /* Owl 1.x only */ 355 #define AR_RxRateV1 0x000003fc 356 #define AR_RxRateV1_S 2 357 #define AR_Parallel40 0x00000400 358 #define AR_RxStatusRsvd30 0xfffff800 359 /* Owl 2.x only */ 360 #define AR_DupFrame 0x00000004 361 #define AR_STBCFrame 0x00000008 362 #define AR_RxAntenna 0xffffff00 363 #define AR_RxAntenna_S 8 364 365 /* ds_status4 */ 366 #define AR_RxRSSIAnt10 0x000000ff 367 #define AR_RxRSSIAnt10_S 0 368 #define AR_RxRSSIAnt11 0x0000ff00 369 #define AR_RxRSSIAnt11_S 8 370 #define AR_RxRSSIAnt12 0x00ff0000 371 #define AR_RxRSSIAnt12_S 16 372 #define AR_RxRSSICombined 0xff000000 373 #define AR_RxRSSICombined_S 24 374 375 /* ds_status5 */ 376 #define AR_RxEVM0 ds_rxstatus5 377 378 /* ds_status6 */ 379 #define AR_RxEVM1 ds_rxstatus6 380 381 /* ds_status7 */ 382 #define AR_RxEVM2 ds_rxstatus7 383 384 /* ds_status8 */ 385 #define AR_RxDone 0x00000001 386 #define AR_RxFrameOK 0x00000002 387 #define AR_CRCErr 0x00000004 388 #define AR_DecryptCRCErr 0x00000008 389 #define AR_PHYErr 0x00000010 390 #define AR_MichaelErr 0x00000020 391 #define AR_PreDelimCRCErr 0x00000040 392 #define AR_RxStatusRsvd70 0x00000080 393 #define AR_RxKeyIdxValid 0x00000100 394 #define AR_KeyIdx 0x0000fe00 395 #define AR_KeyIdx_S 9 396 #define AR_PHYErrCode 0x0000ff00 397 #define AR_PHYErrCode_S 8 398 #define AR_RxMoreAggr 0x00010000 399 #define AR_RxAggr 0x00020000 400 #define AR_PostDelimCRCErr 0x00040000 401 #define AR_RxStatusRsvd71 0x2ff80000 402 #define AR_HiRxChain 0x10000000 403 #define AR_DecryptBusyErr 0x40000000 404 #define AR_KeyMiss 0x80000000 405 406 #define TXCTL_OFFSET(ah) 2 407 #define TXCTL_NUMWORDS(ah) (AR_SREV_5416_V20_OR_LATER(ah) ? 12 : 8) 408 #define TXSTATUS_OFFSET(ah) (AR_SREV_5416_V20_OR_LATER(ah) ? 14 : 10) 409 #define TXSTATUS_NUMWORDS(ah) 10 410 411 #define RXCTL_OFFSET(ah) 3 412 #define RXCTL_NUMWORDS(ah) 1 413 #define RXSTATUS_OFFSET(ah) 4 414 #define RXSTATUS_NUMWORDS(ah) 9 415 #define RXSTATUS_RATE(ah, ads) \ 416 (AR_SREV_5416_V20_OR_LATER(ah) ? \ 417 MS((ads)->ds_rxstatus0, AR_RxRate) : \ 418 ((ads)->ds_rxstatus3 >> 2) & 0xFF) 419 #define RXSTATUS_DUPLICATE(ah, ads) \ 420 (AR_SREV_5416_V20_OR_LATER(ah) ? \ 421 MS((ads)->ds_rxstatus3, AR_Parallel40) : \ 422 ((ads)->ds_rxstatus3 >> 10) & 0x1) 423 #endif /* _ATH_AR5416_DESC_H_ */
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