1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /* Copyright(c) 2018-2019 Realtek Corporation
3 */
4
5 #include "main.h"
6 #include "regd.h"
7 #include "fw.h"
8 #include "ps.h"
9 #include "sec.h"
10 #include "mac.h"
11 #include "coex.h"
12 #include "phy.h"
13 #include "reg.h"
14 #include "efuse.h"
15 #include "debug.h"
16
17 static bool rtw_fw_support_lps;
18 unsigned int rtw_debug_mask;
19 EXPORT_SYMBOL(rtw_debug_mask);
20
21 module_param_named(support_lps, rtw_fw_support_lps, bool, 0644);
22 module_param_named(debug_mask, rtw_debug_mask, uint, 0644);
23
24 MODULE_PARM_DESC(support_lps, "Set Y to enable Leisure Power Save support, to turn radio off between beacons");
25 MODULE_PARM_DESC(debug_mask, "Debugging mask");
26
27 static struct ieee80211_channel rtw_channeltable_2g[] = {
28 {.center_freq = 2412, .hw_value = 1,},
29 {.center_freq = 2417, .hw_value = 2,},
30 {.center_freq = 2422, .hw_value = 3,},
31 {.center_freq = 2427, .hw_value = 4,},
32 {.center_freq = 2432, .hw_value = 5,},
33 {.center_freq = 2437, .hw_value = 6,},
34 {.center_freq = 2442, .hw_value = 7,},
35 {.center_freq = 2447, .hw_value = 8,},
36 {.center_freq = 2452, .hw_value = 9,},
37 {.center_freq = 2457, .hw_value = 10,},
38 {.center_freq = 2462, .hw_value = 11,},
39 {.center_freq = 2467, .hw_value = 12,},
40 {.center_freq = 2472, .hw_value = 13,},
41 {.center_freq = 2484, .hw_value = 14,},
42 };
43
44 static struct ieee80211_channel rtw_channeltable_5g[] = {
45 {.center_freq = 5180, .hw_value = 36,},
46 {.center_freq = 5200, .hw_value = 40,},
47 {.center_freq = 5220, .hw_value = 44,},
48 {.center_freq = 5240, .hw_value = 48,},
49 {.center_freq = 5260, .hw_value = 52,},
50 {.center_freq = 5280, .hw_value = 56,},
51 {.center_freq = 5300, .hw_value = 60,},
52 {.center_freq = 5320, .hw_value = 64,},
53 {.center_freq = 5500, .hw_value = 100,},
54 {.center_freq = 5520, .hw_value = 104,},
55 {.center_freq = 5540, .hw_value = 108,},
56 {.center_freq = 5560, .hw_value = 112,},
57 {.center_freq = 5580, .hw_value = 116,},
58 {.center_freq = 5600, .hw_value = 120,},
59 {.center_freq = 5620, .hw_value = 124,},
60 {.center_freq = 5640, .hw_value = 128,},
61 {.center_freq = 5660, .hw_value = 132,},
62 {.center_freq = 5680, .hw_value = 136,},
63 {.center_freq = 5700, .hw_value = 140,},
64 {.center_freq = 5745, .hw_value = 149,},
65 {.center_freq = 5765, .hw_value = 153,},
66 {.center_freq = 5785, .hw_value = 157,},
67 {.center_freq = 5805, .hw_value = 161,},
68 {.center_freq = 5825, .hw_value = 165,
69 .flags = IEEE80211_CHAN_NO_HT40MINUS},
70 };
71
72 static struct ieee80211_rate rtw_ratetable[] = {
73 {.bitrate = 10, .hw_value = 0x00,},
74 {.bitrate = 20, .hw_value = 0x01,},
75 {.bitrate = 55, .hw_value = 0x02,},
76 {.bitrate = 110, .hw_value = 0x03,},
77 {.bitrate = 60, .hw_value = 0x04,},
78 {.bitrate = 90, .hw_value = 0x05,},
79 {.bitrate = 120, .hw_value = 0x06,},
80 {.bitrate = 180, .hw_value = 0x07,},
81 {.bitrate = 240, .hw_value = 0x08,},
82 {.bitrate = 360, .hw_value = 0x09,},
83 {.bitrate = 480, .hw_value = 0x0a,},
84 {.bitrate = 540, .hw_value = 0x0b,},
85 };
86
87 static struct ieee80211_supported_band rtw_band_2ghz = {
88 .band = NL80211_BAND_2GHZ,
89
90 .channels = rtw_channeltable_2g,
91 .n_channels = ARRAY_SIZE(rtw_channeltable_2g),
92
93 .bitrates = rtw_ratetable,
94 .n_bitrates = ARRAY_SIZE(rtw_ratetable),
95
96 .ht_cap = {0},
97 .vht_cap = {0},
98 };
99
100 static struct ieee80211_supported_band rtw_band_5ghz = {
101 .band = NL80211_BAND_5GHZ,
102
103 .channels = rtw_channeltable_5g,
104 .n_channels = ARRAY_SIZE(rtw_channeltable_5g),
105
106 /* 5G has no CCK rates */
107 .bitrates = rtw_ratetable + 4,
108 .n_bitrates = ARRAY_SIZE(rtw_ratetable) - 4,
109
110 .ht_cap = {0},
111 .vht_cap = {0},
112 };
113
114 struct rtw_watch_dog_iter_data {
115 struct rtw_vif *rtwvif;
116 bool active;
117 u8 assoc_cnt;
118 };
119
rtw_vif_watch_dog_iter(void * data,u8 * mac,struct ieee80211_vif * vif)120 static void rtw_vif_watch_dog_iter(void *data, u8 *mac,
121 struct ieee80211_vif *vif)
122 {
123 struct rtw_watch_dog_iter_data *iter_data = data;
124 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
125
126 if (vif->type == NL80211_IFTYPE_STATION) {
127 if (vif->bss_conf.assoc) {
128 iter_data->assoc_cnt++;
129 iter_data->rtwvif = rtwvif;
130 }
131 if (rtwvif->stats.tx_cnt > RTW_LPS_THRESHOLD ||
132 rtwvif->stats.rx_cnt > RTW_LPS_THRESHOLD)
133 iter_data->active = true;
134 } else {
135 /* only STATION mode can enter lps */
136 iter_data->active = true;
137 }
138
139 rtwvif->stats.tx_unicast = 0;
140 rtwvif->stats.rx_unicast = 0;
141 rtwvif->stats.tx_cnt = 0;
142 rtwvif->stats.rx_cnt = 0;
143 }
144
145 /* process TX/RX statistics periodically for hardware,
146 * the information helps hardware to enhance performance
147 */
rtw_watch_dog_work(struct work_struct * work)148 static void rtw_watch_dog_work(struct work_struct *work)
149 {
150 struct rtw_dev *rtwdev = container_of(work, struct rtw_dev,
151 watch_dog_work.work);
152 struct rtw_watch_dog_iter_data data = {};
153 bool busy_traffic = rtw_flag_check(rtwdev, RTW_FLAG_BUSY_TRAFFIC);
154
155 if (!rtw_flag_check(rtwdev, RTW_FLAG_RUNNING))
156 return;
157
158 ieee80211_queue_delayed_work(rtwdev->hw, &rtwdev->watch_dog_work,
159 RTW_WATCH_DOG_DELAY_TIME);
160
161 if (rtwdev->stats.tx_cnt > 100 || rtwdev->stats.rx_cnt > 100)
162 rtw_flag_set(rtwdev, RTW_FLAG_BUSY_TRAFFIC);
163 else
164 rtw_flag_clear(rtwdev, RTW_FLAG_BUSY_TRAFFIC);
165
166 if (busy_traffic != rtw_flag_check(rtwdev, RTW_FLAG_BUSY_TRAFFIC))
167 rtw_coex_wl_status_change_notify(rtwdev);
168
169 /* reset tx/rx statictics */
170 rtwdev->stats.tx_unicast = 0;
171 rtwdev->stats.rx_unicast = 0;
172 rtwdev->stats.tx_cnt = 0;
173 rtwdev->stats.rx_cnt = 0;
174
175 /* use atomic version to avoid taking local->iflist_mtx mutex */
176 rtw_iterate_vifs_atomic(rtwdev, rtw_vif_watch_dog_iter, &data);
177
178 /* fw supports only one station associated to enter lps, if there are
179 * more than two stations associated to the AP, then we can not enter
180 * lps, because fw does not handle the overlapped beacon interval
181 */
182 if (rtw_fw_support_lps &&
183 data.rtwvif && !data.active && data.assoc_cnt == 1)
184 rtw_enter_lps(rtwdev, data.rtwvif);
185
186 if (rtw_flag_check(rtwdev, RTW_FLAG_SCANNING))
187 return;
188
189 rtw_phy_dynamic_mechanism(rtwdev);
190
191 rtwdev->watch_dog_cnt++;
192 }
193
rtw_c2h_work(struct work_struct * work)194 static void rtw_c2h_work(struct work_struct *work)
195 {
196 struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, c2h_work);
197 struct sk_buff *skb, *tmp;
198
199 skb_queue_walk_safe(&rtwdev->c2h_queue, skb, tmp) {
200 skb_unlink(skb, &rtwdev->c2h_queue);
201 rtw_fw_c2h_cmd_handle(rtwdev, skb);
202 dev_kfree_skb_any(skb);
203 }
204 }
205
rtw_get_channel_params(struct cfg80211_chan_def * chandef,struct rtw_channel_params * chan_params)206 void rtw_get_channel_params(struct cfg80211_chan_def *chandef,
207 struct rtw_channel_params *chan_params)
208 {
209 struct ieee80211_channel *channel = chandef->chan;
210 enum nl80211_chan_width width = chandef->width;
211 u8 *cch_by_bw = chan_params->cch_by_bw;
212 u32 primary_freq, center_freq;
213 u8 center_chan;
214 u8 bandwidth = RTW_CHANNEL_WIDTH_20;
215 u8 primary_chan_idx = 0;
216 u8 i;
217
218 center_chan = channel->hw_value;
219 primary_freq = channel->center_freq;
220 center_freq = chandef->center_freq1;
221
222 /* assign the center channel used while 20M bw is selected */
223 cch_by_bw[RTW_CHANNEL_WIDTH_20] = channel->hw_value;
224
225 switch (width) {
226 case NL80211_CHAN_WIDTH_20_NOHT:
227 case NL80211_CHAN_WIDTH_20:
228 bandwidth = RTW_CHANNEL_WIDTH_20;
229 primary_chan_idx = 0;
230 break;
231 case NL80211_CHAN_WIDTH_40:
232 bandwidth = RTW_CHANNEL_WIDTH_40;
233 if (primary_freq > center_freq) {
234 primary_chan_idx = 1;
235 center_chan -= 2;
236 } else {
237 primary_chan_idx = 2;
238 center_chan += 2;
239 }
240 break;
241 case NL80211_CHAN_WIDTH_80:
242 bandwidth = RTW_CHANNEL_WIDTH_80;
243 if (primary_freq > center_freq) {
244 if (primary_freq - center_freq == 10) {
245 primary_chan_idx = 1;
246 center_chan -= 2;
247 } else {
248 primary_chan_idx = 3;
249 center_chan -= 6;
250 }
251 /* assign the center channel used
252 * while 40M bw is selected
253 */
254 cch_by_bw[RTW_CHANNEL_WIDTH_40] = center_chan + 4;
255 } else {
256 if (center_freq - primary_freq == 10) {
257 primary_chan_idx = 2;
258 center_chan += 2;
259 } else {
260 primary_chan_idx = 4;
261 center_chan += 6;
262 }
263 /* assign the center channel used
264 * while 40M bw is selected
265 */
266 cch_by_bw[RTW_CHANNEL_WIDTH_40] = center_chan - 4;
267 }
268 break;
269 default:
270 center_chan = 0;
271 break;
272 }
273
274 chan_params->center_chan = center_chan;
275 chan_params->bandwidth = bandwidth;
276 chan_params->primary_chan_idx = primary_chan_idx;
277
278 /* assign the center channel used while current bw is selected */
279 cch_by_bw[bandwidth] = center_chan;
280
281 for (i = bandwidth + 1; i <= RTW_MAX_CHANNEL_WIDTH; i++)
282 cch_by_bw[i] = 0;
283 }
284
rtw_set_channel(struct rtw_dev * rtwdev)285 void rtw_set_channel(struct rtw_dev *rtwdev)
286 {
287 struct ieee80211_hw *hw = rtwdev->hw;
288 struct rtw_hal *hal = &rtwdev->hal;
289 struct rtw_chip_info *chip = rtwdev->chip;
290 struct rtw_channel_params ch_param;
291 u8 center_chan, bandwidth, primary_chan_idx;
292 u8 i;
293
294 rtw_get_channel_params(&hw->conf.chandef, &ch_param);
295 if (WARN(ch_param.center_chan == 0, "Invalid channel\n"))
296 return;
297
298 center_chan = ch_param.center_chan;
299 bandwidth = ch_param.bandwidth;
300 primary_chan_idx = ch_param.primary_chan_idx;
301
302 hal->current_band_width = bandwidth;
303 hal->current_channel = center_chan;
304 hal->current_band_type = center_chan > 14 ? RTW_BAND_5G : RTW_BAND_2G;
305
306 for (i = RTW_CHANNEL_WIDTH_20; i <= RTW_MAX_CHANNEL_WIDTH; i++)
307 hal->cch_by_bw[i] = ch_param.cch_by_bw[i];
308
309 chip->ops->set_channel(rtwdev, center_chan, bandwidth, primary_chan_idx);
310
311 if (hal->current_band_type == RTW_BAND_5G) {
312 rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_5G);
313 } else {
314 if (rtw_flag_check(rtwdev, RTW_FLAG_SCANNING))
315 rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_24G);
316 else
317 rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_24G_NOFORSCAN);
318 }
319
320 rtw_phy_set_tx_power_level(rtwdev, center_chan);
321 }
322
rtw_vif_write_addr(struct rtw_dev * rtwdev,u32 start,u8 * addr)323 static void rtw_vif_write_addr(struct rtw_dev *rtwdev, u32 start, u8 *addr)
324 {
325 int i;
326
327 for (i = 0; i < ETH_ALEN; i++)
328 rtw_write8(rtwdev, start + i, addr[i]);
329 }
330
rtw_vif_port_config(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif,u32 config)331 void rtw_vif_port_config(struct rtw_dev *rtwdev,
332 struct rtw_vif *rtwvif,
333 u32 config)
334 {
335 u32 addr, mask;
336
337 if (config & PORT_SET_MAC_ADDR) {
338 addr = rtwvif->conf->mac_addr.addr;
339 rtw_vif_write_addr(rtwdev, addr, rtwvif->mac_addr);
340 }
341 if (config & PORT_SET_BSSID) {
342 addr = rtwvif->conf->bssid.addr;
343 rtw_vif_write_addr(rtwdev, addr, rtwvif->bssid);
344 }
345 if (config & PORT_SET_NET_TYPE) {
346 addr = rtwvif->conf->net_type.addr;
347 mask = rtwvif->conf->net_type.mask;
348 rtw_write32_mask(rtwdev, addr, mask, rtwvif->net_type);
349 }
350 if (config & PORT_SET_AID) {
351 addr = rtwvif->conf->aid.addr;
352 mask = rtwvif->conf->aid.mask;
353 rtw_write32_mask(rtwdev, addr, mask, rtwvif->aid);
354 }
355 if (config & PORT_SET_BCN_CTRL) {
356 addr = rtwvif->conf->bcn_ctrl.addr;
357 mask = rtwvif->conf->bcn_ctrl.mask;
358 rtw_write8_mask(rtwdev, addr, mask, rtwvif->bcn_ctrl);
359 }
360 }
361
hw_bw_cap_to_bitamp(u8 bw_cap)362 static u8 hw_bw_cap_to_bitamp(u8 bw_cap)
363 {
364 u8 bw = 0;
365
366 switch (bw_cap) {
367 case EFUSE_HW_CAP_IGNORE:
368 case EFUSE_HW_CAP_SUPP_BW80:
369 bw |= BIT(RTW_CHANNEL_WIDTH_80);
370 /* fall through */
371 case EFUSE_HW_CAP_SUPP_BW40:
372 bw |= BIT(RTW_CHANNEL_WIDTH_40);
373 /* fall through */
374 default:
375 bw |= BIT(RTW_CHANNEL_WIDTH_20);
376 break;
377 }
378
379 return bw;
380 }
381
rtw_hw_config_rf_ant_num(struct rtw_dev * rtwdev,u8 hw_ant_num)382 static void rtw_hw_config_rf_ant_num(struct rtw_dev *rtwdev, u8 hw_ant_num)
383 {
384 struct rtw_hal *hal = &rtwdev->hal;
385
386 if (hw_ant_num == EFUSE_HW_CAP_IGNORE ||
387 hw_ant_num >= hal->rf_path_num)
388 return;
389
390 switch (hw_ant_num) {
391 case 1:
392 hal->rf_type = RF_1T1R;
393 hal->rf_path_num = 1;
394 hal->antenna_tx = BB_PATH_A;
395 hal->antenna_rx = BB_PATH_A;
396 break;
397 default:
398 WARN(1, "invalid hw configuration from efuse\n");
399 break;
400 }
401 }
402
get_vht_ra_mask(struct ieee80211_sta * sta)403 static u64 get_vht_ra_mask(struct ieee80211_sta *sta)
404 {
405 u64 ra_mask = 0;
406 u16 mcs_map = le16_to_cpu(sta->vht_cap.vht_mcs.rx_mcs_map);
407 u8 vht_mcs_cap;
408 int i, nss;
409
410 /* 4SS, every two bits for MCS7/8/9 */
411 for (i = 0, nss = 12; i < 4; i++, mcs_map >>= 2, nss += 10) {
412 vht_mcs_cap = mcs_map & 0x3;
413 switch (vht_mcs_cap) {
414 case 2: /* MCS9 */
415 ra_mask |= 0x3ffULL << nss;
416 break;
417 case 1: /* MCS8 */
418 ra_mask |= 0x1ffULL << nss;
419 break;
420 case 0: /* MCS7 */
421 ra_mask |= 0x0ffULL << nss;
422 break;
423 default:
424 break;
425 }
426 }
427
428 return ra_mask;
429 }
430
get_rate_id(u8 wireless_set,enum rtw_bandwidth bw_mode,u8 tx_num)431 static u8 get_rate_id(u8 wireless_set, enum rtw_bandwidth bw_mode, u8 tx_num)
432 {
433 u8 rate_id = 0;
434
435 switch (wireless_set) {
436 case WIRELESS_CCK:
437 rate_id = RTW_RATEID_B_20M;
438 break;
439 case WIRELESS_OFDM:
440 rate_id = RTW_RATEID_G;
441 break;
442 case WIRELESS_CCK | WIRELESS_OFDM:
443 rate_id = RTW_RATEID_BG;
444 break;
445 case WIRELESS_OFDM | WIRELESS_HT:
446 if (tx_num == 1)
447 rate_id = RTW_RATEID_GN_N1SS;
448 else if (tx_num == 2)
449 rate_id = RTW_RATEID_GN_N2SS;
450 else if (tx_num == 3)
451 rate_id = RTW_RATEID_ARFR5_N_3SS;
452 break;
453 case WIRELESS_CCK | WIRELESS_OFDM | WIRELESS_HT:
454 if (bw_mode == RTW_CHANNEL_WIDTH_40) {
455 if (tx_num == 1)
456 rate_id = RTW_RATEID_BGN_40M_1SS;
457 else if (tx_num == 2)
458 rate_id = RTW_RATEID_BGN_40M_2SS;
459 else if (tx_num == 3)
460 rate_id = RTW_RATEID_ARFR5_N_3SS;
461 else if (tx_num == 4)
462 rate_id = RTW_RATEID_ARFR7_N_4SS;
463 } else {
464 if (tx_num == 1)
465 rate_id = RTW_RATEID_BGN_20M_1SS;
466 else if (tx_num == 2)
467 rate_id = RTW_RATEID_BGN_20M_2SS;
468 else if (tx_num == 3)
469 rate_id = RTW_RATEID_ARFR5_N_3SS;
470 else if (tx_num == 4)
471 rate_id = RTW_RATEID_ARFR7_N_4SS;
472 }
473 break;
474 case WIRELESS_OFDM | WIRELESS_VHT:
475 if (tx_num == 1)
476 rate_id = RTW_RATEID_ARFR1_AC_1SS;
477 else if (tx_num == 2)
478 rate_id = RTW_RATEID_ARFR0_AC_2SS;
479 else if (tx_num == 3)
480 rate_id = RTW_RATEID_ARFR4_AC_3SS;
481 else if (tx_num == 4)
482 rate_id = RTW_RATEID_ARFR6_AC_4SS;
483 break;
484 case WIRELESS_CCK | WIRELESS_OFDM | WIRELESS_VHT:
485 if (bw_mode >= RTW_CHANNEL_WIDTH_80) {
486 if (tx_num == 1)
487 rate_id = RTW_RATEID_ARFR1_AC_1SS;
488 else if (tx_num == 2)
489 rate_id = RTW_RATEID_ARFR0_AC_2SS;
490 else if (tx_num == 3)
491 rate_id = RTW_RATEID_ARFR4_AC_3SS;
492 else if (tx_num == 4)
493 rate_id = RTW_RATEID_ARFR6_AC_4SS;
494 } else {
495 if (tx_num == 1)
496 rate_id = RTW_RATEID_ARFR2_AC_2G_1SS;
497 else if (tx_num == 2)
498 rate_id = RTW_RATEID_ARFR3_AC_2G_2SS;
499 else if (tx_num == 3)
500 rate_id = RTW_RATEID_ARFR4_AC_3SS;
501 else if (tx_num == 4)
502 rate_id = RTW_RATEID_ARFR6_AC_4SS;
503 }
504 break;
505 default:
506 break;
507 }
508
509 return rate_id;
510 }
511
512 #define RA_MASK_CCK_RATES 0x0000f
513 #define RA_MASK_OFDM_RATES 0x00ff0
514 #define RA_MASK_HT_RATES_1SS (0xff000ULL << 0)
515 #define RA_MASK_HT_RATES_2SS (0xff000ULL << 8)
516 #define RA_MASK_HT_RATES_3SS (0xff000ULL << 16)
517 #define RA_MASK_HT_RATES (RA_MASK_HT_RATES_1SS | \
518 RA_MASK_HT_RATES_2SS | \
519 RA_MASK_HT_RATES_3SS)
520 #define RA_MASK_VHT_RATES_1SS (0x3ff000ULL << 0)
521 #define RA_MASK_VHT_RATES_2SS (0x3ff000ULL << 10)
522 #define RA_MASK_VHT_RATES_3SS (0x3ff000ULL << 20)
523 #define RA_MASK_VHT_RATES (RA_MASK_VHT_RATES_1SS | \
524 RA_MASK_VHT_RATES_2SS | \
525 RA_MASK_VHT_RATES_3SS)
526 #define RA_MASK_CCK_IN_HT 0x00005
527 #define RA_MASK_CCK_IN_VHT 0x00005
528 #define RA_MASK_OFDM_IN_VHT 0x00010
529 #define RA_MASK_OFDM_IN_HT_2G 0x00010
530 #define RA_MASK_OFDM_IN_HT_5G 0x00030
531
rtw_update_sta_info(struct rtw_dev * rtwdev,struct rtw_sta_info * si)532 void rtw_update_sta_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si)
533 {
534 struct ieee80211_sta *sta = si->sta;
535 struct rtw_efuse *efuse = &rtwdev->efuse;
536 struct rtw_hal *hal = &rtwdev->hal;
537 u8 rssi_level;
538 u8 wireless_set;
539 u8 bw_mode;
540 u8 rate_id;
541 u8 rf_type = RF_1T1R;
542 u8 stbc_en = 0;
543 u8 ldpc_en = 0;
544 u8 tx_num = 1;
545 u64 ra_mask = 0;
546 bool is_vht_enable = false;
547 bool is_support_sgi = false;
548
549 if (sta->vht_cap.vht_supported) {
550 is_vht_enable = true;
551 ra_mask |= get_vht_ra_mask(sta);
552 if (sta->vht_cap.cap & IEEE80211_VHT_CAP_RXSTBC_MASK)
553 stbc_en = VHT_STBC_EN;
554 if (sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC)
555 ldpc_en = VHT_LDPC_EN;
556 if (sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80)
557 is_support_sgi = true;
558 } else if (sta->ht_cap.ht_supported) {
559 ra_mask |= (sta->ht_cap.mcs.rx_mask[NL80211_BAND_5GHZ] << 20) |
560 (sta->ht_cap.mcs.rx_mask[NL80211_BAND_2GHZ] << 12);
561 if (sta->ht_cap.cap & IEEE80211_HT_CAP_RX_STBC)
562 stbc_en = HT_STBC_EN;
563 if (sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING)
564 ldpc_en = HT_LDPC_EN;
565 if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20 ||
566 sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)
567 is_support_sgi = true;
568 }
569
570 if (hal->current_band_type == RTW_BAND_5G) {
571 ra_mask |= (u64)sta->supp_rates[NL80211_BAND_5GHZ] << 4;
572 if (sta->vht_cap.vht_supported) {
573 ra_mask &= RA_MASK_VHT_RATES | RA_MASK_OFDM_IN_VHT;
574 wireless_set = WIRELESS_OFDM | WIRELESS_VHT;
575 } else if (sta->ht_cap.ht_supported) {
576 ra_mask &= RA_MASK_HT_RATES | RA_MASK_OFDM_IN_HT_5G;
577 wireless_set = WIRELESS_OFDM | WIRELESS_HT;
578 } else {
579 wireless_set = WIRELESS_OFDM;
580 }
581 } else if (hal->current_band_type == RTW_BAND_2G) {
582 ra_mask |= sta->supp_rates[NL80211_BAND_2GHZ];
583 if (sta->vht_cap.vht_supported) {
584 ra_mask &= RA_MASK_VHT_RATES | RA_MASK_CCK_IN_VHT |
585 RA_MASK_OFDM_IN_VHT;
586 wireless_set = WIRELESS_CCK | WIRELESS_OFDM |
587 WIRELESS_HT | WIRELESS_VHT;
588 } else if (sta->ht_cap.ht_supported) {
589 ra_mask &= RA_MASK_HT_RATES | RA_MASK_CCK_IN_HT |
590 RA_MASK_OFDM_IN_HT_2G;
591 wireless_set = WIRELESS_CCK | WIRELESS_OFDM |
592 WIRELESS_HT;
593 } else if (sta->supp_rates[0] <= 0xf) {
594 wireless_set = WIRELESS_CCK;
595 } else {
596 wireless_set = WIRELESS_CCK | WIRELESS_OFDM;
597 }
598 } else {
599 rtw_err(rtwdev, "Unknown band type\n");
600 wireless_set = 0;
601 }
602
603 if (efuse->hw_cap.nss == 1) {
604 ra_mask &= RA_MASK_VHT_RATES_1SS;
605 ra_mask &= RA_MASK_HT_RATES_1SS;
606 }
607
608 switch (sta->bandwidth) {
609 case IEEE80211_STA_RX_BW_80:
610 bw_mode = RTW_CHANNEL_WIDTH_80;
611 break;
612 case IEEE80211_STA_RX_BW_40:
613 bw_mode = RTW_CHANNEL_WIDTH_40;
614 break;
615 default:
616 bw_mode = RTW_CHANNEL_WIDTH_20;
617 break;
618 }
619
620 if (sta->vht_cap.vht_supported && ra_mask & 0xffc00000) {
621 tx_num = 2;
622 rf_type = RF_2T2R;
623 } else if (sta->ht_cap.ht_supported && ra_mask & 0xfff00000) {
624 tx_num = 2;
625 rf_type = RF_2T2R;
626 }
627
628 rate_id = get_rate_id(wireless_set, bw_mode, tx_num);
629
630 if (wireless_set != WIRELESS_CCK) {
631 rssi_level = si->rssi_level;
632 if (rssi_level == 0)
633 ra_mask &= 0xffffffffffffffffULL;
634 else if (rssi_level == 1)
635 ra_mask &= 0xfffffffffffffff0ULL;
636 else if (rssi_level == 2)
637 ra_mask &= 0xffffffffffffefe0ULL;
638 else if (rssi_level == 3)
639 ra_mask &= 0xffffffffffffcfc0ULL;
640 else if (rssi_level == 4)
641 ra_mask &= 0xffffffffffff8f80ULL;
642 else if (rssi_level >= 5)
643 ra_mask &= 0xffffffffffff0f00ULL;
644 }
645
646 si->bw_mode = bw_mode;
647 si->stbc_en = stbc_en;
648 si->ldpc_en = ldpc_en;
649 si->rf_type = rf_type;
650 si->wireless_set = wireless_set;
651 si->sgi_enable = is_support_sgi;
652 si->vht_enable = is_vht_enable;
653 si->ra_mask = ra_mask;
654 si->rate_id = rate_id;
655
656 rtw_fw_send_ra_info(rtwdev, si);
657 }
658
rtw_power_on(struct rtw_dev * rtwdev)659 static int rtw_power_on(struct rtw_dev *rtwdev)
660 {
661 struct rtw_chip_info *chip = rtwdev->chip;
662 struct rtw_fw_state *fw = &rtwdev->fw;
663 bool wifi_only;
664 int ret;
665
666 ret = rtw_hci_setup(rtwdev);
667 if (ret) {
668 rtw_err(rtwdev, "failed to setup hci\n");
669 goto err;
670 }
671
672 /* power on MAC before firmware downloaded */
673 ret = rtw_mac_power_on(rtwdev);
674 if (ret) {
675 rtw_err(rtwdev, "failed to power on mac\n");
676 goto err;
677 }
678
679 wait_for_completion(&fw->completion);
680 if (!fw->firmware) {
681 ret = -EINVAL;
682 rtw_err(rtwdev, "failed to load firmware\n");
683 goto err;
684 }
685
686 ret = rtw_download_firmware(rtwdev, fw);
687 if (ret) {
688 rtw_err(rtwdev, "failed to download firmware\n");
689 goto err_off;
690 }
691
692 /* config mac after firmware downloaded */
693 ret = rtw_mac_init(rtwdev);
694 if (ret) {
695 rtw_err(rtwdev, "failed to configure mac\n");
696 goto err_off;
697 }
698
699 chip->ops->phy_set_param(rtwdev);
700
701 ret = rtw_hci_start(rtwdev);
702 if (ret) {
703 rtw_err(rtwdev, "failed to start hci\n");
704 goto err_off;
705 }
706
707 /* send H2C after HCI has started */
708 rtw_fw_send_general_info(rtwdev);
709 rtw_fw_send_phydm_info(rtwdev);
710
711 wifi_only = !rtwdev->efuse.btcoex;
712 rtw_coex_power_on_setting(rtwdev);
713 rtw_coex_init_hw_config(rtwdev, wifi_only);
714
715 return 0;
716
717 err_off:
718 rtw_mac_power_off(rtwdev);
719
720 err:
721 return ret;
722 }
723
rtw_core_start(struct rtw_dev * rtwdev)724 int rtw_core_start(struct rtw_dev *rtwdev)
725 {
726 int ret;
727
728 ret = rtw_power_on(rtwdev);
729 if (ret)
730 return ret;
731
732 rtw_sec_enable_sec_engine(rtwdev);
733
734 /* rcr reset after powered on */
735 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr);
736
737 ieee80211_queue_delayed_work(rtwdev->hw, &rtwdev->watch_dog_work,
738 RTW_WATCH_DOG_DELAY_TIME);
739
740 rtw_flag_set(rtwdev, RTW_FLAG_RUNNING);
741
742 return 0;
743 }
744
rtw_power_off(struct rtw_dev * rtwdev)745 static void rtw_power_off(struct rtw_dev *rtwdev)
746 {
747 rtwdev->hci.ops->stop(rtwdev);
748 rtw_mac_power_off(rtwdev);
749 }
750
rtw_core_stop(struct rtw_dev * rtwdev)751 void rtw_core_stop(struct rtw_dev *rtwdev)
752 {
753 struct rtw_coex *coex = &rtwdev->coex;
754
755 rtw_flag_clear(rtwdev, RTW_FLAG_RUNNING);
756 rtw_flag_clear(rtwdev, RTW_FLAG_FW_RUNNING);
757
758 cancel_delayed_work_sync(&rtwdev->watch_dog_work);
759 cancel_delayed_work_sync(&coex->bt_relink_work);
760 cancel_delayed_work_sync(&coex->bt_reenable_work);
761 cancel_delayed_work_sync(&coex->defreeze_work);
762
763 rtw_power_off(rtwdev);
764 }
765
rtw_init_ht_cap(struct rtw_dev * rtwdev,struct ieee80211_sta_ht_cap * ht_cap)766 static void rtw_init_ht_cap(struct rtw_dev *rtwdev,
767 struct ieee80211_sta_ht_cap *ht_cap)
768 {
769 struct rtw_efuse *efuse = &rtwdev->efuse;
770
771 ht_cap->ht_supported = true;
772 ht_cap->cap = 0;
773 ht_cap->cap |= IEEE80211_HT_CAP_SGI_20 |
774 IEEE80211_HT_CAP_MAX_AMSDU |
775 IEEE80211_HT_CAP_LDPC_CODING |
776 (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
777 if (efuse->hw_cap.bw & BIT(RTW_CHANNEL_WIDTH_40))
778 ht_cap->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
779 IEEE80211_HT_CAP_DSSSCCK40 |
780 IEEE80211_HT_CAP_SGI_40;
781 ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
782 ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
783 ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
784 if (efuse->hw_cap.nss > 1) {
785 ht_cap->mcs.rx_mask[0] = 0xFF;
786 ht_cap->mcs.rx_mask[1] = 0xFF;
787 ht_cap->mcs.rx_mask[4] = 0x01;
788 ht_cap->mcs.rx_highest = cpu_to_le16(300);
789 } else {
790 ht_cap->mcs.rx_mask[0] = 0xFF;
791 ht_cap->mcs.rx_mask[1] = 0x00;
792 ht_cap->mcs.rx_mask[4] = 0x01;
793 ht_cap->mcs.rx_highest = cpu_to_le16(150);
794 }
795 }
796
rtw_init_vht_cap(struct rtw_dev * rtwdev,struct ieee80211_sta_vht_cap * vht_cap)797 static void rtw_init_vht_cap(struct rtw_dev *rtwdev,
798 struct ieee80211_sta_vht_cap *vht_cap)
799 {
800 struct rtw_efuse *efuse = &rtwdev->efuse;
801 u16 mcs_map;
802 __le16 highest;
803
804 if (efuse->hw_cap.ptcl != EFUSE_HW_CAP_IGNORE &&
805 efuse->hw_cap.ptcl != EFUSE_HW_CAP_PTCL_VHT)
806 return;
807
808 vht_cap->vht_supported = true;
809 vht_cap->cap = IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
810 IEEE80211_VHT_CAP_RXLDPC |
811 IEEE80211_VHT_CAP_SHORT_GI_80 |
812 IEEE80211_VHT_CAP_TXSTBC |
813 IEEE80211_VHT_CAP_RXSTBC_1 |
814 IEEE80211_VHT_CAP_HTC_VHT |
815 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
816 0;
817 mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
818 IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
819 IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
820 IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 |
821 IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 |
822 IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
823 IEEE80211_VHT_MCS_NOT_SUPPORTED << 14;
824 if (efuse->hw_cap.nss > 1) {
825 highest = cpu_to_le16(780);
826 mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << 2;
827 } else {
828 highest = cpu_to_le16(390);
829 mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << 2;
830 }
831
832 vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
833 vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
834 vht_cap->vht_mcs.rx_highest = highest;
835 vht_cap->vht_mcs.tx_highest = highest;
836 }
837
rtw_set_supported_band(struct ieee80211_hw * hw,struct rtw_chip_info * chip)838 static void rtw_set_supported_band(struct ieee80211_hw *hw,
839 struct rtw_chip_info *chip)
840 {
841 struct rtw_dev *rtwdev = hw->priv;
842 struct ieee80211_supported_band *sband;
843
844 if (chip->band & RTW_BAND_2G) {
845 sband = kmemdup(&rtw_band_2ghz, sizeof(*sband), GFP_KERNEL);
846 if (!sband)
847 goto err_out;
848 if (chip->ht_supported)
849 rtw_init_ht_cap(rtwdev, &sband->ht_cap);
850 hw->wiphy->bands[NL80211_BAND_2GHZ] = sband;
851 }
852
853 if (chip->band & RTW_BAND_5G) {
854 sband = kmemdup(&rtw_band_5ghz, sizeof(*sband), GFP_KERNEL);
855 if (!sband)
856 goto err_out;
857 if (chip->ht_supported)
858 rtw_init_ht_cap(rtwdev, &sband->ht_cap);
859 if (chip->vht_supported)
860 rtw_init_vht_cap(rtwdev, &sband->vht_cap);
861 hw->wiphy->bands[NL80211_BAND_5GHZ] = sband;
862 }
863
864 return;
865
866 err_out:
867 rtw_err(rtwdev, "failed to set supported band\n");
868 kfree(sband);
869 }
870
rtw_unset_supported_band(struct ieee80211_hw * hw,struct rtw_chip_info * chip)871 static void rtw_unset_supported_band(struct ieee80211_hw *hw,
872 struct rtw_chip_info *chip)
873 {
874 kfree(hw->wiphy->bands[NL80211_BAND_2GHZ]);
875 kfree(hw->wiphy->bands[NL80211_BAND_5GHZ]);
876 }
877
rtw_load_firmware_cb(const struct firmware * firmware,void * context)878 static void rtw_load_firmware_cb(const struct firmware *firmware, void *context)
879 {
880 struct rtw_dev *rtwdev = context;
881 struct rtw_fw_state *fw = &rtwdev->fw;
882
883 if (!firmware)
884 rtw_err(rtwdev, "failed to request firmware\n");
885
886 fw->firmware = firmware;
887 complete_all(&fw->completion);
888 }
889
rtw_load_firmware(struct rtw_dev * rtwdev,const char * fw_name)890 static int rtw_load_firmware(struct rtw_dev *rtwdev, const char *fw_name)
891 {
892 struct rtw_fw_state *fw = &rtwdev->fw;
893 int ret;
894
895 init_completion(&fw->completion);
896
897 ret = request_firmware_nowait(THIS_MODULE, true, fw_name, rtwdev->dev,
898 GFP_KERNEL, rtwdev, rtw_load_firmware_cb);
899 if (ret) {
900 rtw_err(rtwdev, "async firmware request failed\n");
901 return ret;
902 }
903
904 return 0;
905 }
906
rtw_chip_parameter_setup(struct rtw_dev * rtwdev)907 static int rtw_chip_parameter_setup(struct rtw_dev *rtwdev)
908 {
909 struct rtw_chip_info *chip = rtwdev->chip;
910 struct rtw_hal *hal = &rtwdev->hal;
911 struct rtw_efuse *efuse = &rtwdev->efuse;
912 int ret = 0;
913
914 switch (rtw_hci_type(rtwdev)) {
915 case RTW_HCI_TYPE_PCIE:
916 rtwdev->hci.rpwm_addr = 0x03d9;
917 break;
918 default:
919 rtw_err(rtwdev, "unsupported hci type\n");
920 return -EINVAL;
921 }
922
923 hal->chip_version = rtw_read32(rtwdev, REG_SYS_CFG1);
924 hal->fab_version = BIT_GET_VENDOR_ID(hal->chip_version) >> 2;
925 hal->cut_version = BIT_GET_CHIP_VER(hal->chip_version);
926 hal->mp_chip = (hal->chip_version & BIT_RTL_ID) ? 0 : 1;
927 if (hal->chip_version & BIT_RF_TYPE_ID) {
928 hal->rf_type = RF_2T2R;
929 hal->rf_path_num = 2;
930 hal->antenna_tx = BB_PATH_AB;
931 hal->antenna_rx = BB_PATH_AB;
932 } else {
933 hal->rf_type = RF_1T1R;
934 hal->rf_path_num = 1;
935 hal->antenna_tx = BB_PATH_A;
936 hal->antenna_rx = BB_PATH_A;
937 }
938
939 if (hal->fab_version == 2)
940 hal->fab_version = 1;
941 else if (hal->fab_version == 1)
942 hal->fab_version = 2;
943
944 efuse->physical_size = chip->phy_efuse_size;
945 efuse->logical_size = chip->log_efuse_size;
946 efuse->protect_size = chip->ptct_efuse_size;
947
948 /* default use ack */
949 rtwdev->hal.rcr |= BIT_VHT_DACK;
950
951 return ret;
952 }
953
rtw_chip_efuse_enable(struct rtw_dev * rtwdev)954 static int rtw_chip_efuse_enable(struct rtw_dev *rtwdev)
955 {
956 struct rtw_fw_state *fw = &rtwdev->fw;
957 int ret;
958
959 ret = rtw_hci_setup(rtwdev);
960 if (ret) {
961 rtw_err(rtwdev, "failed to setup hci\n");
962 goto err;
963 }
964
965 ret = rtw_mac_power_on(rtwdev);
966 if (ret) {
967 rtw_err(rtwdev, "failed to power on mac\n");
968 goto err;
969 }
970
971 rtw_write8(rtwdev, REG_C2HEVT, C2H_HW_FEATURE_DUMP);
972
973 wait_for_completion(&fw->completion);
974 if (!fw->firmware) {
975 ret = -EINVAL;
976 rtw_err(rtwdev, "failed to load firmware\n");
977 goto err;
978 }
979
980 ret = rtw_download_firmware(rtwdev, fw);
981 if (ret) {
982 rtw_err(rtwdev, "failed to download firmware\n");
983 goto err_off;
984 }
985
986 return 0;
987
988 err_off:
989 rtw_mac_power_off(rtwdev);
990
991 err:
992 return ret;
993 }
994
rtw_dump_hw_feature(struct rtw_dev * rtwdev)995 static int rtw_dump_hw_feature(struct rtw_dev *rtwdev)
996 {
997 struct rtw_efuse *efuse = &rtwdev->efuse;
998 u8 hw_feature[HW_FEATURE_LEN];
999 u8 id;
1000 u8 bw;
1001 int i;
1002
1003 id = rtw_read8(rtwdev, REG_C2HEVT);
1004 if (id != C2H_HW_FEATURE_REPORT) {
1005 rtw_err(rtwdev, "failed to read hw feature report\n");
1006 return -EBUSY;
1007 }
1008
1009 for (i = 0; i < HW_FEATURE_LEN; i++)
1010 hw_feature[i] = rtw_read8(rtwdev, REG_C2HEVT + 2 + i);
1011
1012 rtw_write8(rtwdev, REG_C2HEVT, 0);
1013
1014 bw = GET_EFUSE_HW_CAP_BW(hw_feature);
1015 efuse->hw_cap.bw = hw_bw_cap_to_bitamp(bw);
1016 efuse->hw_cap.hci = GET_EFUSE_HW_CAP_HCI(hw_feature);
1017 efuse->hw_cap.nss = GET_EFUSE_HW_CAP_NSS(hw_feature);
1018 efuse->hw_cap.ptcl = GET_EFUSE_HW_CAP_PTCL(hw_feature);
1019 efuse->hw_cap.ant_num = GET_EFUSE_HW_CAP_ANT_NUM(hw_feature);
1020
1021 rtw_hw_config_rf_ant_num(rtwdev, efuse->hw_cap.ant_num);
1022
1023 if (efuse->hw_cap.nss == EFUSE_HW_CAP_IGNORE)
1024 efuse->hw_cap.nss = rtwdev->hal.rf_path_num;
1025
1026 rtw_dbg(rtwdev, RTW_DBG_EFUSE,
1027 "hw cap: hci=0x%02x, bw=0x%02x, ptcl=0x%02x, ant_num=%d, nss=%d\n",
1028 efuse->hw_cap.hci, efuse->hw_cap.bw, efuse->hw_cap.ptcl,
1029 efuse->hw_cap.ant_num, efuse->hw_cap.nss);
1030
1031 return 0;
1032 }
1033
rtw_chip_efuse_disable(struct rtw_dev * rtwdev)1034 static void rtw_chip_efuse_disable(struct rtw_dev *rtwdev)
1035 {
1036 rtw_hci_stop(rtwdev);
1037 rtw_mac_power_off(rtwdev);
1038 }
1039
rtw_chip_efuse_info_setup(struct rtw_dev * rtwdev)1040 static int rtw_chip_efuse_info_setup(struct rtw_dev *rtwdev)
1041 {
1042 struct rtw_efuse *efuse = &rtwdev->efuse;
1043 int ret;
1044
1045 mutex_lock(&rtwdev->mutex);
1046
1047 /* power on mac to read efuse */
1048 ret = rtw_chip_efuse_enable(rtwdev);
1049 if (ret)
1050 goto out;
1051
1052 ret = rtw_parse_efuse_map(rtwdev);
1053 if (ret)
1054 goto out;
1055
1056 ret = rtw_dump_hw_feature(rtwdev);
1057 if (ret)
1058 goto out;
1059
1060 ret = rtw_check_supported_rfe(rtwdev);
1061 if (ret)
1062 goto out;
1063
1064 if (efuse->crystal_cap == 0xff)
1065 efuse->crystal_cap = 0;
1066 if (efuse->pa_type_2g == 0xff)
1067 efuse->pa_type_2g = 0;
1068 if (efuse->pa_type_5g == 0xff)
1069 efuse->pa_type_5g = 0;
1070 if (efuse->lna_type_2g == 0xff)
1071 efuse->lna_type_2g = 0;
1072 if (efuse->lna_type_5g == 0xff)
1073 efuse->lna_type_5g = 0;
1074 if (efuse->channel_plan == 0xff)
1075 efuse->channel_plan = 0x7f;
1076 if (efuse->rf_board_option == 0xff)
1077 efuse->rf_board_option = 0;
1078 if (efuse->bt_setting & BIT(0))
1079 efuse->share_ant = true;
1080 if (efuse->regd == 0xff)
1081 efuse->regd = 0;
1082
1083 efuse->btcoex = (efuse->rf_board_option & 0xe0) == 0x20;
1084 efuse->ext_pa_2g = efuse->pa_type_2g & BIT(4) ? 1 : 0;
1085 efuse->ext_lna_2g = efuse->lna_type_2g & BIT(3) ? 1 : 0;
1086 efuse->ext_pa_5g = efuse->pa_type_5g & BIT(0) ? 1 : 0;
1087 efuse->ext_lna_2g = efuse->lna_type_5g & BIT(3) ? 1 : 0;
1088
1089 rtw_chip_efuse_disable(rtwdev);
1090
1091 out:
1092 mutex_unlock(&rtwdev->mutex);
1093 return ret;
1094 }
1095
rtw_chip_board_info_setup(struct rtw_dev * rtwdev)1096 static int rtw_chip_board_info_setup(struct rtw_dev *rtwdev)
1097 {
1098 struct rtw_hal *hal = &rtwdev->hal;
1099 const struct rtw_rfe_def *rfe_def = rtw_get_rfe_def(rtwdev);
1100
1101 if (!rfe_def)
1102 return -ENODEV;
1103
1104 rtw_phy_setup_phy_cond(rtwdev, 0);
1105
1106 rtw_phy_init_tx_power(rtwdev);
1107 rtw_load_table(rtwdev, rfe_def->phy_pg_tbl);
1108 rtw_load_table(rtwdev, rfe_def->txpwr_lmt_tbl);
1109 rtw_phy_tx_power_by_rate_config(hal);
1110 rtw_phy_tx_power_limit_config(hal);
1111
1112 return 0;
1113 }
1114
rtw_chip_info_setup(struct rtw_dev * rtwdev)1115 int rtw_chip_info_setup(struct rtw_dev *rtwdev)
1116 {
1117 int ret;
1118
1119 ret = rtw_chip_parameter_setup(rtwdev);
1120 if (ret) {
1121 rtw_err(rtwdev, "failed to setup chip parameters\n");
1122 goto err_out;
1123 }
1124
1125 ret = rtw_chip_efuse_info_setup(rtwdev);
1126 if (ret) {
1127 rtw_err(rtwdev, "failed to setup chip efuse info\n");
1128 goto err_out;
1129 }
1130
1131 ret = rtw_chip_board_info_setup(rtwdev);
1132 if (ret) {
1133 rtw_err(rtwdev, "failed to setup chip board info\n");
1134 goto err_out;
1135 }
1136
1137 return 0;
1138
1139 err_out:
1140 return ret;
1141 }
1142 EXPORT_SYMBOL(rtw_chip_info_setup);
1143
rtw_core_init(struct rtw_dev * rtwdev)1144 int rtw_core_init(struct rtw_dev *rtwdev)
1145 {
1146 struct rtw_coex *coex = &rtwdev->coex;
1147 int ret;
1148
1149 INIT_LIST_HEAD(&rtwdev->rsvd_page_list);
1150
1151 timer_setup(&rtwdev->tx_report.purge_timer,
1152 rtw_tx_report_purge_timer, 0);
1153
1154 INIT_DELAYED_WORK(&rtwdev->watch_dog_work, rtw_watch_dog_work);
1155 INIT_DELAYED_WORK(&rtwdev->lps_work, rtw_lps_work);
1156 INIT_DELAYED_WORK(&coex->bt_relink_work, rtw_coex_bt_relink_work);
1157 INIT_DELAYED_WORK(&coex->bt_reenable_work, rtw_coex_bt_reenable_work);
1158 INIT_DELAYED_WORK(&coex->defreeze_work, rtw_coex_defreeze_work);
1159 INIT_WORK(&rtwdev->c2h_work, rtw_c2h_work);
1160 skb_queue_head_init(&rtwdev->c2h_queue);
1161 skb_queue_head_init(&rtwdev->coex.queue);
1162 skb_queue_head_init(&rtwdev->tx_report.queue);
1163
1164 spin_lock_init(&rtwdev->dm_lock);
1165 spin_lock_init(&rtwdev->rf_lock);
1166 spin_lock_init(&rtwdev->h2c.lock);
1167 spin_lock_init(&rtwdev->tx_report.q_lock);
1168
1169 mutex_init(&rtwdev->mutex);
1170 mutex_init(&rtwdev->coex.mutex);
1171 mutex_init(&rtwdev->hal.tx_power_mutex);
1172
1173 init_waitqueue_head(&rtwdev->coex.wait);
1174
1175 rtwdev->sec.total_cam_num = 32;
1176 rtwdev->hal.current_channel = 1;
1177 set_bit(RTW_BC_MC_MACID, rtwdev->mac_id_map);
1178
1179 mutex_lock(&rtwdev->mutex);
1180 rtw_add_rsvd_page(rtwdev, RSVD_BEACON, false);
1181 mutex_unlock(&rtwdev->mutex);
1182
1183 /* default rx filter setting */
1184 rtwdev->hal.rcr = BIT_APP_FCS | BIT_APP_MIC | BIT_APP_ICV |
1185 BIT_HTC_LOC_CTRL | BIT_APP_PHYSTS |
1186 BIT_AB | BIT_AM | BIT_APM;
1187
1188 ret = rtw_load_firmware(rtwdev, rtwdev->chip->fw_name);
1189 if (ret) {
1190 rtw_warn(rtwdev, "no firmware loaded\n");
1191 return ret;
1192 }
1193
1194 return 0;
1195 }
1196 EXPORT_SYMBOL(rtw_core_init);
1197
rtw_core_deinit(struct rtw_dev * rtwdev)1198 void rtw_core_deinit(struct rtw_dev *rtwdev)
1199 {
1200 struct rtw_fw_state *fw = &rtwdev->fw;
1201 struct rtw_rsvd_page *rsvd_pkt, *tmp;
1202 unsigned long flags;
1203
1204 if (fw->firmware)
1205 release_firmware(fw->firmware);
1206
1207 spin_lock_irqsave(&rtwdev->tx_report.q_lock, flags);
1208 skb_queue_purge(&rtwdev->tx_report.queue);
1209 spin_unlock_irqrestore(&rtwdev->tx_report.q_lock, flags);
1210
1211 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list, list) {
1212 list_del(&rsvd_pkt->list);
1213 kfree(rsvd_pkt);
1214 }
1215
1216 mutex_destroy(&rtwdev->mutex);
1217 mutex_destroy(&rtwdev->coex.mutex);
1218 mutex_destroy(&rtwdev->hal.tx_power_mutex);
1219 }
1220 EXPORT_SYMBOL(rtw_core_deinit);
1221
rtw_register_hw(struct rtw_dev * rtwdev,struct ieee80211_hw * hw)1222 int rtw_register_hw(struct rtw_dev *rtwdev, struct ieee80211_hw *hw)
1223 {
1224 int max_tx_headroom = 0;
1225 int ret;
1226
1227 /* TODO: USB & SDIO may need extra room? */
1228 max_tx_headroom = rtwdev->chip->tx_pkt_desc_sz;
1229
1230 hw->extra_tx_headroom = max_tx_headroom;
1231 hw->queues = IEEE80211_NUM_ACS;
1232 hw->sta_data_size = sizeof(struct rtw_sta_info);
1233 hw->vif_data_size = sizeof(struct rtw_vif);
1234
1235 ieee80211_hw_set(hw, SIGNAL_DBM);
1236 ieee80211_hw_set(hw, RX_INCLUDES_FCS);
1237 ieee80211_hw_set(hw, AMPDU_AGGREGATION);
1238 ieee80211_hw_set(hw, MFP_CAPABLE);
1239 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
1240 ieee80211_hw_set(hw, SUPPORTS_PS);
1241 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
1242 ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
1243 ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU);
1244
1245 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
1246 BIT(NL80211_IFTYPE_AP) |
1247 BIT(NL80211_IFTYPE_ADHOC) |
1248 BIT(NL80211_IFTYPE_MESH_POINT);
1249
1250 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
1251 WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
1252
1253 hw->wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
1254
1255 rtw_set_supported_band(hw, rtwdev->chip);
1256 SET_IEEE80211_PERM_ADDR(hw, rtwdev->efuse.addr);
1257
1258 rtw_regd_init(rtwdev, rtw_regd_notifier);
1259
1260 ret = ieee80211_register_hw(hw);
1261 if (ret) {
1262 rtw_err(rtwdev, "failed to register hw\n");
1263 return ret;
1264 }
1265
1266 if (regulatory_hint(hw->wiphy, rtwdev->regd.alpha2))
1267 rtw_err(rtwdev, "regulatory_hint fail\n");
1268
1269 rtw_debugfs_init(rtwdev);
1270
1271 return 0;
1272 }
1273 EXPORT_SYMBOL(rtw_register_hw);
1274
rtw_unregister_hw(struct rtw_dev * rtwdev,struct ieee80211_hw * hw)1275 void rtw_unregister_hw(struct rtw_dev *rtwdev, struct ieee80211_hw *hw)
1276 {
1277 struct rtw_chip_info *chip = rtwdev->chip;
1278
1279 ieee80211_unregister_hw(hw);
1280 rtw_unset_supported_band(hw, chip);
1281 }
1282 EXPORT_SYMBOL(rtw_unregister_hw);
1283
1284 MODULE_AUTHOR("Realtek Corporation");
1285 MODULE_DESCRIPTION("Realtek 802.11ac wireless core module");
1286 MODULE_LICENSE("Dual BSD/GPL");
1287
