1/* SPDX-License-Identifier: GPL-2.0 */
2/* Copyright(c) 2009-2012  Realtek Corporation.*/
3
4#ifndef __RTL92CE_TRX_H__
5#define __RTL92CE_TRX_H__
6
7#define TX_DESC_SIZE				64
8#define TX_DESC_AGGR_SUBFRAME_SIZE		32
9
10#define RX_DESC_SIZE				32
11#define RX_DRV_INFO_SIZE_UNIT			8
12
13#define	TX_DESC_NEXT_DESC_OFFSET		40
14#define USB_HWDESC_HEADER_LEN			32
15#define CRCLENGTH				4
16
17/* macros to read/write various fields in RX or TX descriptors */
18
19static inline void set_tx_desc_pkt_size(__le32 *__pdesc, u32  __val)
20{
21	le32p_replace_bits(__pdesc, __val, GENMASK(15, 0));
22}
23
24static inline void set_tx_desc_offset(__le32 *__pdesc, u32  __val)
25{
26	le32p_replace_bits(__pdesc, __val, GENMASK(23, 16));
27}
28
29static inline void set_tx_desc_bmc(__le32 *__pdesc, u32  __val)
30{
31	le32p_replace_bits(__pdesc, __val, BIT(24));
32}
33
34static inline void set_tx_desc_htc(__le32 *__pdesc, u32  __val)
35{
36	le32p_replace_bits(__pdesc, __val, BIT(25));
37}
38
39static inline void set_tx_desc_last_seg(__le32 *__pdesc, u32  __val)
40{
41	le32p_replace_bits(__pdesc, __val, BIT(26));
42}
43
44static inline void set_tx_desc_first_seg(__le32 *__pdesc, u32  __val)
45{
46	le32p_replace_bits(__pdesc, __val, BIT(27));
47}
48
49static inline void set_tx_desc_linip(__le32 *__pdesc, u32  __val)
50{
51	le32p_replace_bits(__pdesc, __val, BIT(28));
52}
53
54static inline void set_tx_desc_own(__le32 *__pdesc, u32  __val)
55{
56	le32p_replace_bits(__pdesc, __val, BIT(31));
57}
58
59static inline int get_tx_desc_own(__le32 *__pdesc)
60{
61	return le32_get_bits(*(__pdesc), BIT(31));
62}
63
64static inline void set_tx_desc_macid(__le32 *__pdesc, u32  __val)
65{
66	le32p_replace_bits((__pdesc + 1), __val, GENMASK(4, 0));
67}
68
69static inline void set_tx_desc_agg_break(__le32 *__pdesc, u32  __val)
70{
71	le32p_replace_bits((__pdesc + 1), __val, BIT(5));
72}
73
74static inline void set_tx_desc_rdg_enable(__le32 *__pdesc, u32  __val)
75{
76	le32p_replace_bits((__pdesc + 1), __val, BIT(7));
77}
78
79static inline void set_tx_desc_queue_sel(__le32 *__pdesc, u32  __val)
80{
81	le32p_replace_bits((__pdesc + 1), __val, GENMASK(12, 8));
82}
83
84static inline void set_tx_desc_rate_id(__le32 *__pdesc, u32  __val)
85{
86	le32p_replace_bits((__pdesc + 1), __val, GENMASK(19, 16));
87}
88
89static inline void set_tx_desc_sec_type(__le32 *__pdesc, u32  __val)
90{
91	le32p_replace_bits((__pdesc + 1), __val, GENMASK(23, 22));
92}
93
94static inline void set_tx_desc_more_frag(__le32 *__pdesc, u32  __val)
95{
96	le32p_replace_bits((__pdesc + 2), __val, BIT(17));
97}
98
99static inline void set_tx_desc_ampdu_density(__le32 *__pdesc, u32  __val)
100{
101	le32p_replace_bits((__pdesc + 2), __val, GENMASK(22, 20));
102}
103
104static inline void set_tx_desc_seq(__le32 *__pdesc, u32  __val)
105{
106	le32p_replace_bits((__pdesc + 3), __val, GENMASK(27, 16));
107}
108
109static inline void set_tx_desc_pkt_id(__le32 *__pdesc, u32  __val)
110{
111	le32p_replace_bits((__pdesc + 3), __val, GENMASK(31, 28));
112}
113
114static inline void set_tx_desc_rts_rate(__le32 *__pdesc, u32  __val)
115{
116	le32p_replace_bits((__pdesc + 4), __val, GENMASK(4, 0));
117}
118
119static inline void set_tx_desc_qos(__le32 *__pdesc, u32  __val)
120{
121	le32p_replace_bits((__pdesc + 4), __val, BIT(6));
122}
123
124static inline void set_tx_desc_hwseq_en(__le32 *__pdesc, u32  __val)
125{
126	le32p_replace_bits((__pdesc + 4), __val, BIT(7));
127}
128
129static inline void set_tx_desc_use_rate(__le32 *__pdesc, u32  __val)
130{
131	le32p_replace_bits((__pdesc + 4), __val, BIT(8));
132}
133
134static inline void set_tx_desc_disable_fb(__le32 *__pdesc, u32  __val)
135{
136	le32p_replace_bits((__pdesc + 4), __val, BIT(10));
137}
138
139static inline void set_tx_desc_cts2self(__le32 *__pdesc, u32  __val)
140{
141	le32p_replace_bits((__pdesc + 4), __val, BIT(11));
142}
143
144static inline void set_tx_desc_rts_enable(__le32 *__pdesc, u32  __val)
145{
146	le32p_replace_bits((__pdesc + 4), __val, BIT(12));
147}
148
149static inline void set_tx_desc_hw_rts_enable(__le32 *__pdesc, u32  __val)
150{
151	le32p_replace_bits((__pdesc + 4), __val, BIT(13));
152}
153
154static inline void set_tx_desc_tx_sub_carrier(__le32 *__pdesc, u32  __val)
155{
156	le32p_replace_bits((__pdesc + 4), __val, GENMASK(21, 20));
157}
158
159static inline void set_tx_desc_data_bw(__le32 *__pdesc, u32  __val)
160{
161	le32p_replace_bits((__pdesc + 4), __val, BIT(25));
162}
163
164static inline void set_tx_desc_rts_short(__le32 *__pdesc, u32  __val)
165{
166	le32p_replace_bits((__pdesc + 4), __val, BIT(26));
167}
168
169static inline void set_tx_desc_rts_bw(__le32 *__pdesc, u32  __val)
170{
171	le32p_replace_bits((__pdesc + 4), __val, BIT(27));
172}
173
174static inline void set_tx_desc_rts_sc(__le32 *__pdesc, u32  __val)
175{
176	le32p_replace_bits((__pdesc + 4), __val, GENMASK(29, 28));
177}
178
179static inline void set_tx_desc_rts_stbc(__le32 *__pdesc, u32  __val)
180{
181	le32p_replace_bits((__pdesc + 4), __val, GENMASK(31, 30));
182}
183
184static inline void set_tx_desc_tx_rate(__le32 *__pdesc, u32  __val)
185{
186	le32p_replace_bits((__pdesc + 5), __val, GENMASK(5, 0));
187}
188
189static inline void set_tx_desc_data_shortgi(__le32 *__pdesc, u32  __val)
190{
191	le32p_replace_bits((__pdesc + 5), __val, BIT(6));
192}
193
194static inline void set_tx_desc_data_rate_fb_limit(__le32 *__pdesc, u32  __val)
195{
196	le32p_replace_bits((__pdesc + 5), __val, GENMASK(12, 8));
197}
198
199static inline void set_tx_desc_rts_rate_fb_limit(__le32 *__pdesc, u32  __val)
200{
201	le32p_replace_bits((__pdesc + 5), __val, GENMASK(16, 13));
202}
203
204static inline void set_tx_desc_max_agg_num(__le32 *__pdesc, u32  __val)
205{
206	le32p_replace_bits((__pdesc + 6), __val, GENMASK(15, 11));
207}
208
209static inline void set_tx_desc_tx_buffer_size(__le32 *__pdesc, u32  __val)
210{
211	le32p_replace_bits((__pdesc + 7), __val, GENMASK(15, 0));
212}
213
214static inline void set_tx_desc_tx_buffer_address(__le32 *__pdesc, u32  __val)
215{
216	*(__pdesc + 8) = cpu_to_le32(__val);
217}
218
219static inline u32 get_tx_desc_tx_buffer_address(__le32 *__pdesc)
220{
221	return le32_to_cpu(*((__pdesc + 8)));
222}
223
224static inline void set_tx_desc_next_desc_address(__le32 *__pdesc, u32  __val)
225{
226	*(__pdesc + 10) = cpu_to_le32(__val);
227}
228
229static inline int get_rx_desc_pkt_len(__le32 *__pdesc)
230{
231	return le32_get_bits(*(__pdesc), GENMASK(13, 0));
232}
233
234static inline int get_rx_desc_crc32(__le32 *__pdesc)
235{
236	return le32_get_bits(*(__pdesc), BIT(14));
237}
238
239static inline int get_rx_desc_icv(__le32 *__pdesc)
240{
241	return le32_get_bits(*(__pdesc), BIT(15));
242}
243
244static inline int get_rx_desc_drv_info_size(__le32 *__pdesc)
245{
246	return le32_get_bits(*(__pdesc), GENMASK(19, 16));
247}
248
249static inline int get_rx_desc_shift(__le32 *__pdesc)
250{
251	return le32_get_bits(*(__pdesc), GENMASK(25, 24));
252}
253
254static inline int get_rx_desc_physt(__le32 *__pdesc)
255{
256	return le32_get_bits(*(__pdesc), BIT(26));
257}
258
259static inline int get_rx_desc_swdec(__le32 *__pdesc)
260{
261	return le32_get_bits(*(__pdesc), BIT(27));
262}
263
264static inline int get_rx_desc_own(__le32 *__pdesc)
265{
266	return le32_get_bits(*(__pdesc), BIT(31));
267}
268
269static inline void set_rx_desc_pkt_len(__le32 *__pdesc, u32  __val)
270{
271	le32p_replace_bits(__pdesc, __val, GENMASK(13, 0));
272}
273
274static inline void set_rx_desc_eor(__le32 *__pdesc, u32  __val)
275{
276	le32p_replace_bits(__pdesc, __val, BIT(30));
277}
278
279static inline void set_rx_desc_own(__le32 *__pdesc, u32  __val)
280{
281	le32p_replace_bits(__pdesc, __val, BIT(31));
282}
283
284static inline int get_rx_desc_paggr(__le32 *__pdesc)
285{
286	return le32_get_bits(*((__pdesc + 1)), BIT(14));
287}
288
289static inline int get_rx_desc_faggr(__le32 *__pdesc)
290{
291	return le32_get_bits(*((__pdesc + 1)), BIT(15));
292}
293
294static inline int get_rx_desc_rxmcs(__le32 *__pdesc)
295{
296	return le32_get_bits(*((__pdesc + 3)), GENMASK(5, 0));
297}
298
299static inline int get_rx_desc_rxht(__le32 *__pdesc)
300{
301	return le32_get_bits(*((__pdesc + 3)), BIT(6));
302}
303
304static inline int get_rx_desc_splcp(__le32 *__pdesc)
305{
306	return le32_get_bits(*((__pdesc + 3)), BIT(8));
307}
308
309static inline int get_rx_desc_bw(__le32 *__pdesc)
310{
311	return le32_get_bits(*((__pdesc + 3)), BIT(9));
312}
313
314static inline u32 get_rx_desc_tsfl(__le32 *__pdesc)
315{
316	return le32_to_cpu(*((__pdesc + 5)));
317}
318
319static inline u32 get_rx_desc_buff_addr(__le32 *__pdesc)
320{
321	return le32_to_cpu(*((__pdesc + 6)));
322}
323
324static inline void set_rx_desc_buff_addr(__le32 *__pdesc, u32  __val)
325{
326	*(__pdesc + 6) = cpu_to_le32(__val);
327}
328
329static inline void clear_pci_tx_desc_content(__le32 *__pdesc, int _size)
330{
331	memset(__pdesc, 0, min_t(size_t, _size, TX_DESC_NEXT_DESC_OFFSET));
332}
333
334struct rx_fwinfo_92c {
335	u8 gain_trsw[4];
336	u8 pwdb_all;
337	u8 cfosho[4];
338	u8 cfotail[4];
339	s8 rxevm[2];
340	s8 rxsnr[4];
341	u8 pdsnr[2];
342	u8 csi_current[2];
343	u8 csi_target[2];
344	u8 sigevm;
345	u8 max_ex_pwr;
346	u8 ex_intf_flag:1;
347	u8 sgi_en:1;
348	u8 rxsc:2;
349	u8 reserve:4;
350} __packed;
351
352struct tx_desc_92c {
353	u32 pktsize:16;
354	u32 offset:8;
355	u32 bmc:1;
356	u32 htc:1;
357	u32 lastseg:1;
358	u32 firstseg:1;
359	u32 linip:1;
360	u32 noacm:1;
361	u32 gf:1;
362	u32 own:1;
363
364	u32 macid:5;
365	u32 agg_en:1;
366	u32 bk:1;
367	u32 rdg_en:1;
368	u32 queuesel:5;
369	u32 rd_nav_ext:1;
370	u32 lsig_txop_en:1;
371	u32 pifs:1;
372	u32 rateid:4;
373	u32 nav_usehdr:1;
374	u32 en_descid:1;
375	u32 sectype:2;
376	u32 pktoffset:8;
377
378	u32 rts_rc:6;
379	u32 data_rc:6;
380	u32 rsvd0:2;
381	u32 bar_retryht:2;
382	u32 rsvd1:1;
383	u32 morefrag:1;
384	u32 raw:1;
385	u32 ccx:1;
386	u32 ampdudensity:3;
387	u32 rsvd2:1;
388	u32 ant_sela:1;
389	u32 ant_selb:1;
390	u32 txant_cck:2;
391	u32 txant_l:2;
392	u32 txant_ht:2;
393
394	u32 nextheadpage:8;
395	u32 tailpage:8;
396	u32 seq:12;
397	u32 pktid:4;
398
399	u32 rtsrate:5;
400	u32 apdcfe:1;
401	u32 qos:1;
402	u32 hwseq_enable:1;
403	u32 userrate:1;
404	u32 dis_rtsfb:1;
405	u32 dis_datafb:1;
406	u32 cts2self:1;
407	u32 rts_en:1;
408	u32 hwrts_en:1;
409	u32 portid:1;
410	u32 rsvd3:3;
411	u32 waitdcts:1;
412	u32 cts2ap_en:1;
413	u32 txsc:2;
414	u32 stbc:2;
415	u32 txshort:1;
416	u32 txbw:1;
417	u32 rtsshort:1;
418	u32 rtsbw:1;
419	u32 rtssc:2;
420	u32 rtsstbc:2;
421
422	u32 txrate:6;
423	u32 shortgi:1;
424	u32 ccxt:1;
425	u32 txrate_fb_lmt:5;
426	u32 rtsrate_fb_lmt:4;
427	u32 retrylmt_en:1;
428	u32 txretrylmt:6;
429	u32 usb_txaggnum:8;
430
431	u32 txagca:5;
432	u32 txagcb:5;
433	u32 usemaxlen:1;
434	u32 maxaggnum:5;
435	u32 mcsg1maxlen:4;
436	u32 mcsg2maxlen:4;
437	u32 mcsg3maxlen:4;
438	u32 mcs7sgimaxlen:4;
439
440	u32 txbuffersize:16;
441	u32 mcsg4maxlen:4;
442	u32 mcsg5maxlen:4;
443	u32 mcsg6maxlen:4;
444	u32 mcsg15sgimaxlen:4;
445
446	u32 txbuffaddr;
447	u32 txbufferaddr64;
448	u32 nextdescaddress;
449	u32 nextdescaddress64;
450
451	u32 reserve_pass_pcie_mm_limit[4];
452} __packed;
453
454struct rx_desc_92c {
455	u32 length:14;
456	u32 crc32:1;
457	u32 icverror:1;
458	u32 drv_infosize:4;
459	u32 security:3;
460	u32 qos:1;
461	u32 shift:2;
462	u32 phystatus:1;
463	u32 swdec:1;
464	u32 lastseg:1;
465	u32 firstseg:1;
466	u32 eor:1;
467	u32 own:1;
468
469	u32 macid:5;
470	u32 tid:4;
471	u32 hwrsvd:5;
472	u32 paggr:1;
473	u32 faggr:1;
474	u32 a1_fit:4;
475	u32 a2_fit:4;
476	u32 pam:1;
477	u32 pwr:1;
478	u32 moredata:1;
479	u32 morefrag:1;
480	u32 type:2;
481	u32 mc:1;
482	u32 bc:1;
483
484	u32 seq:12;
485	u32 frag:4;
486	u32 nextpktlen:14;
487	u32 nextind:1;
488	u32 rsvd:1;
489
490	u32 rxmcs:6;
491	u32 rxht:1;
492	u32 amsdu:1;
493	u32 splcp:1;
494	u32 bandwidth:1;
495	u32 htc:1;
496	u32 tcpchk_rpt:1;
497	u32 ipcchk_rpt:1;
498	u32 tcpchk_valid:1;
499	u32 hwpcerr:1;
500	u32 hwpcind:1;
501	u32 iv0:16;
502
503	u32 iv1;
504
505	u32 tsfl;
506
507	u32 bufferaddress;
508	u32 bufferaddress64;
509
510} __packed;
511
512void rtl92ce_tx_fill_desc(struct ieee80211_hw *hw,
513			  struct ieee80211_hdr *hdr, u8 *pdesc,
514			  u8 *pbd_desc_tx, struct ieee80211_tx_info *info,
515			  struct ieee80211_sta *sta,
516			  struct sk_buff *skb, u8 hw_queue,
517			  struct rtl_tcb_desc *ptcb_desc);
518bool rtl92ce_rx_query_desc(struct ieee80211_hw *hw,
519			   struct rtl_stats *stats,
520			   struct ieee80211_rx_status *rx_status,
521			   u8 *pdesc, struct sk_buff *skb);
522void rtl92ce_set_desc(struct ieee80211_hw *hw, u8 *pdesc, bool istx,
523		      u8 desc_name, u8 *val);
524u64 rtl92ce_get_desc(struct ieee80211_hw *hw, u8 *p_desc,
525		     bool istx, u8 desc_name);
526bool rtl92ce_is_tx_desc_closed(struct ieee80211_hw *hw,
527			       u8 hw_queue, u16 index);
528void rtl92ce_tx_polling(struct ieee80211_hw *hw, u8 hw_queue);
529void rtl92ce_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc,
530			     struct sk_buff *skb);
531#endif
532