xref: /freebsd/sys/dev/ath/ath_hal/ar5416/ar5416desc.h (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
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_ */
424