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: releng/12.0/sys/dev/ath/ath_hal/ar5416/ar5416desc.h 326695 2017-12-08 15:57:29Z pfg $
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
41struct 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
55struct 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
67struct 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