phy.c 69 KB

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  1. // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
  2. /* Copyright(c) 2018-2019 Realtek Corporation
  3. */
  4. #include <linux/bcd.h>
  5. #include "main.h"
  6. #include "reg.h"
  7. #include "fw.h"
  8. #include "phy.h"
  9. #include "debug.h"
  10. #include "regd.h"
  11. #include "sar.h"
  12. struct phy_cfg_pair {
  13. u32 addr;
  14. u32 data;
  15. };
  16. union phy_table_tile {
  17. struct {
  18. struct rtw_phy_cond cond;
  19. struct rtw_phy_cond2 cond2;
  20. } __packed;
  21. struct phy_cfg_pair cfg;
  22. };
  23. static const u32 db_invert_table[12][8] = {
  24. {10, 13, 16, 20,
  25. 25, 32, 40, 50},
  26. {64, 80, 101, 128,
  27. 160, 201, 256, 318},
  28. {401, 505, 635, 800,
  29. 1007, 1268, 1596, 2010},
  30. {316, 398, 501, 631,
  31. 794, 1000, 1259, 1585},
  32. {1995, 2512, 3162, 3981,
  33. 5012, 6310, 7943, 10000},
  34. {12589, 15849, 19953, 25119,
  35. 31623, 39811, 50119, 63098},
  36. {79433, 100000, 125893, 158489,
  37. 199526, 251189, 316228, 398107},
  38. {501187, 630957, 794328, 1000000,
  39. 1258925, 1584893, 1995262, 2511886},
  40. {3162278, 3981072, 5011872, 6309573,
  41. 7943282, 1000000, 12589254, 15848932},
  42. {19952623, 25118864, 31622777, 39810717,
  43. 50118723, 63095734, 79432823, 100000000},
  44. {125892541, 158489319, 199526232, 251188643,
  45. 316227766, 398107171, 501187234, 630957345},
  46. {794328235, 1000000000, 1258925412, 1584893192,
  47. 1995262315, 2511886432U, 3162277660U, 3981071706U}
  48. };
  49. const u8 rtw_cck_rates[] = { DESC_RATE1M, DESC_RATE2M, DESC_RATE5_5M, DESC_RATE11M };
  50. const u8 rtw_ofdm_rates[] = {
  51. DESC_RATE6M, DESC_RATE9M, DESC_RATE12M,
  52. DESC_RATE18M, DESC_RATE24M, DESC_RATE36M,
  53. DESC_RATE48M, DESC_RATE54M
  54. };
  55. const u8 rtw_ht_1s_rates[] = {
  56. DESC_RATEMCS0, DESC_RATEMCS1, DESC_RATEMCS2,
  57. DESC_RATEMCS3, DESC_RATEMCS4, DESC_RATEMCS5,
  58. DESC_RATEMCS6, DESC_RATEMCS7
  59. };
  60. const u8 rtw_ht_2s_rates[] = {
  61. DESC_RATEMCS8, DESC_RATEMCS9, DESC_RATEMCS10,
  62. DESC_RATEMCS11, DESC_RATEMCS12, DESC_RATEMCS13,
  63. DESC_RATEMCS14, DESC_RATEMCS15
  64. };
  65. const u8 rtw_vht_1s_rates[] = {
  66. DESC_RATEVHT1SS_MCS0, DESC_RATEVHT1SS_MCS1,
  67. DESC_RATEVHT1SS_MCS2, DESC_RATEVHT1SS_MCS3,
  68. DESC_RATEVHT1SS_MCS4, DESC_RATEVHT1SS_MCS5,
  69. DESC_RATEVHT1SS_MCS6, DESC_RATEVHT1SS_MCS7,
  70. DESC_RATEVHT1SS_MCS8, DESC_RATEVHT1SS_MCS9
  71. };
  72. const u8 rtw_vht_2s_rates[] = {
  73. DESC_RATEVHT2SS_MCS0, DESC_RATEVHT2SS_MCS1,
  74. DESC_RATEVHT2SS_MCS2, DESC_RATEVHT2SS_MCS3,
  75. DESC_RATEVHT2SS_MCS4, DESC_RATEVHT2SS_MCS5,
  76. DESC_RATEVHT2SS_MCS6, DESC_RATEVHT2SS_MCS7,
  77. DESC_RATEVHT2SS_MCS8, DESC_RATEVHT2SS_MCS9
  78. };
  79. const u8 rtw_ht_3s_rates[] = {
  80. DESC_RATEMCS16, DESC_RATEMCS17, DESC_RATEMCS18,
  81. DESC_RATEMCS19, DESC_RATEMCS20, DESC_RATEMCS21,
  82. DESC_RATEMCS22, DESC_RATEMCS23
  83. };
  84. const u8 rtw_ht_4s_rates[] = {
  85. DESC_RATEMCS24, DESC_RATEMCS25, DESC_RATEMCS26,
  86. DESC_RATEMCS27, DESC_RATEMCS28, DESC_RATEMCS29,
  87. DESC_RATEMCS30, DESC_RATEMCS31
  88. };
  89. const u8 rtw_vht_3s_rates[] = {
  90. DESC_RATEVHT3SS_MCS0, DESC_RATEVHT3SS_MCS1,
  91. DESC_RATEVHT3SS_MCS2, DESC_RATEVHT3SS_MCS3,
  92. DESC_RATEVHT3SS_MCS4, DESC_RATEVHT3SS_MCS5,
  93. DESC_RATEVHT3SS_MCS6, DESC_RATEVHT3SS_MCS7,
  94. DESC_RATEVHT3SS_MCS8, DESC_RATEVHT3SS_MCS9
  95. };
  96. const u8 rtw_vht_4s_rates[] = {
  97. DESC_RATEVHT4SS_MCS0, DESC_RATEVHT4SS_MCS1,
  98. DESC_RATEVHT4SS_MCS2, DESC_RATEVHT4SS_MCS3,
  99. DESC_RATEVHT4SS_MCS4, DESC_RATEVHT4SS_MCS5,
  100. DESC_RATEVHT4SS_MCS6, DESC_RATEVHT4SS_MCS7,
  101. DESC_RATEVHT4SS_MCS8, DESC_RATEVHT4SS_MCS9
  102. };
  103. const u8 * const rtw_rate_section[RTW_RATE_SECTION_NUM] = {
  104. rtw_cck_rates, rtw_ofdm_rates,
  105. rtw_ht_1s_rates, rtw_ht_2s_rates,
  106. rtw_vht_1s_rates, rtw_vht_2s_rates,
  107. rtw_ht_3s_rates, rtw_ht_4s_rates,
  108. rtw_vht_3s_rates, rtw_vht_4s_rates
  109. };
  110. EXPORT_SYMBOL(rtw_rate_section);
  111. const u8 rtw_rate_size[RTW_RATE_SECTION_NUM] = {
  112. ARRAY_SIZE(rtw_cck_rates),
  113. ARRAY_SIZE(rtw_ofdm_rates),
  114. ARRAY_SIZE(rtw_ht_1s_rates),
  115. ARRAY_SIZE(rtw_ht_2s_rates),
  116. ARRAY_SIZE(rtw_vht_1s_rates),
  117. ARRAY_SIZE(rtw_vht_2s_rates),
  118. ARRAY_SIZE(rtw_ht_3s_rates),
  119. ARRAY_SIZE(rtw_ht_4s_rates),
  120. ARRAY_SIZE(rtw_vht_3s_rates),
  121. ARRAY_SIZE(rtw_vht_4s_rates)
  122. };
  123. EXPORT_SYMBOL(rtw_rate_size);
  124. enum rtw_phy_band_type {
  125. PHY_BAND_2G = 0,
  126. PHY_BAND_5G = 1,
  127. };
  128. static void rtw_phy_cck_pd_init(struct rtw_dev *rtwdev)
  129. {
  130. struct rtw_dm_info *dm_info = &rtwdev->dm_info;
  131. u8 i, j;
  132. for (i = 0; i <= RTW_CHANNEL_WIDTH_40; i++) {
  133. for (j = 0; j < RTW_RF_PATH_MAX; j++)
  134. dm_info->cck_pd_lv[i][j] = CCK_PD_LV0;
  135. }
  136. dm_info->cck_fa_avg = CCK_FA_AVG_RESET;
  137. }
  138. void rtw_phy_set_edcca_th(struct rtw_dev *rtwdev, u8 l2h, u8 h2l)
  139. {
  140. const struct rtw_hw_reg_offset *edcca_th = rtwdev->chip->edcca_th;
  141. rtw_write32_mask(rtwdev,
  142. edcca_th[EDCCA_TH_L2H_IDX].hw_reg.addr,
  143. edcca_th[EDCCA_TH_L2H_IDX].hw_reg.mask,
  144. l2h + edcca_th[EDCCA_TH_L2H_IDX].offset);
  145. rtw_write32_mask(rtwdev,
  146. edcca_th[EDCCA_TH_H2L_IDX].hw_reg.addr,
  147. edcca_th[EDCCA_TH_H2L_IDX].hw_reg.mask,
  148. h2l + edcca_th[EDCCA_TH_H2L_IDX].offset);
  149. }
  150. EXPORT_SYMBOL(rtw_phy_set_edcca_th);
  151. void rtw_phy_adaptivity_set_mode(struct rtw_dev *rtwdev)
  152. {
  153. const struct rtw_chip_info *chip = rtwdev->chip;
  154. struct rtw_dm_info *dm_info = &rtwdev->dm_info;
  155. /* turn off in debugfs for debug usage */
  156. if (!rtw_edcca_enabled) {
  157. dm_info->edcca_mode = RTW_EDCCA_NORMAL;
  158. rtw_dbg(rtwdev, RTW_DBG_PHY, "EDCCA disabled, cannot be set\n");
  159. return;
  160. }
  161. switch (rtwdev->regd.dfs_region) {
  162. case NL80211_DFS_ETSI:
  163. dm_info->edcca_mode = RTW_EDCCA_ADAPTIVITY;
  164. dm_info->l2h_th_ini = chip->l2h_th_ini_ad;
  165. break;
  166. case NL80211_DFS_JP:
  167. dm_info->edcca_mode = RTW_EDCCA_ADAPTIVITY;
  168. dm_info->l2h_th_ini = chip->l2h_th_ini_cs;
  169. break;
  170. default:
  171. dm_info->edcca_mode = RTW_EDCCA_NORMAL;
  172. break;
  173. }
  174. }
  175. static void rtw_phy_adaptivity_init(struct rtw_dev *rtwdev)
  176. {
  177. const struct rtw_chip_info *chip = rtwdev->chip;
  178. rtw_phy_adaptivity_set_mode(rtwdev);
  179. if (chip->ops->adaptivity_init)
  180. chip->ops->adaptivity_init(rtwdev);
  181. }
  182. static void rtw_phy_adaptivity(struct rtw_dev *rtwdev)
  183. {
  184. if (rtwdev->chip->ops->adaptivity)
  185. rtwdev->chip->ops->adaptivity(rtwdev);
  186. }
  187. static void rtw_phy_cfo_init(struct rtw_dev *rtwdev)
  188. {
  189. const struct rtw_chip_info *chip = rtwdev->chip;
  190. if (chip->ops->cfo_init)
  191. chip->ops->cfo_init(rtwdev);
  192. }
  193. static void rtw_phy_tx_path_div_init(struct rtw_dev *rtwdev)
  194. {
  195. struct rtw_path_div *path_div = &rtwdev->dm_path_div;
  196. path_div->current_tx_path = rtwdev->chip->default_1ss_tx_path;
  197. path_div->path_a_cnt = 0;
  198. path_div->path_a_sum = 0;
  199. path_div->path_b_cnt = 0;
  200. path_div->path_b_sum = 0;
  201. }
  202. void rtw_phy_init(struct rtw_dev *rtwdev)
  203. {
  204. const struct rtw_chip_info *chip = rtwdev->chip;
  205. struct rtw_dm_info *dm_info = &rtwdev->dm_info;
  206. u32 addr, mask;
  207. dm_info->fa_history[3] = 0;
  208. dm_info->fa_history[2] = 0;
  209. dm_info->fa_history[1] = 0;
  210. dm_info->fa_history[0] = 0;
  211. dm_info->igi_bitmap = 0;
  212. dm_info->igi_history[3] = 0;
  213. dm_info->igi_history[2] = 0;
  214. dm_info->igi_history[1] = 0;
  215. addr = chip->dig[0].addr;
  216. mask = chip->dig[0].mask;
  217. dm_info->igi_history[0] = rtw_read32_mask(rtwdev, addr, mask);
  218. rtw_phy_cck_pd_init(rtwdev);
  219. dm_info->iqk.done = false;
  220. rtw_phy_adaptivity_init(rtwdev);
  221. rtw_phy_cfo_init(rtwdev);
  222. rtw_phy_tx_path_div_init(rtwdev);
  223. }
  224. EXPORT_SYMBOL(rtw_phy_init);
  225. void rtw_phy_dig_write(struct rtw_dev *rtwdev, u8 igi)
  226. {
  227. const struct rtw_chip_info *chip = rtwdev->chip;
  228. struct rtw_hal *hal = &rtwdev->hal;
  229. u32 addr, mask;
  230. u8 path;
  231. if (chip->dig_cck) {
  232. const struct rtw_hw_reg *dig_cck = &chip->dig_cck[0];
  233. rtw_write32_mask(rtwdev, dig_cck->addr, dig_cck->mask, igi >> 1);
  234. }
  235. for (path = 0; path < hal->rf_path_num; path++) {
  236. addr = chip->dig[path].addr;
  237. mask = chip->dig[path].mask;
  238. rtw_write32_mask(rtwdev, addr, mask, igi);
  239. }
  240. }
  241. static void rtw_phy_stat_false_alarm(struct rtw_dev *rtwdev)
  242. {
  243. const struct rtw_chip_info *chip = rtwdev->chip;
  244. chip->ops->false_alarm_statistics(rtwdev);
  245. }
  246. #define RA_FLOOR_TABLE_SIZE 7
  247. #define RA_FLOOR_UP_GAP 3
  248. static u8 rtw_phy_get_rssi_level(u8 old_level, u8 rssi)
  249. {
  250. u8 table[RA_FLOOR_TABLE_SIZE] = {20, 34, 38, 42, 46, 50, 100};
  251. u8 new_level = 0;
  252. int i;
  253. for (i = 0; i < RA_FLOOR_TABLE_SIZE; i++)
  254. if (i >= old_level)
  255. table[i] += RA_FLOOR_UP_GAP;
  256. for (i = 0; i < RA_FLOOR_TABLE_SIZE; i++) {
  257. if (rssi < table[i]) {
  258. new_level = i;
  259. break;
  260. }
  261. }
  262. return new_level;
  263. }
  264. struct rtw_phy_stat_iter_data {
  265. struct rtw_dev *rtwdev;
  266. u8 min_rssi;
  267. };
  268. static void rtw_phy_stat_rssi_iter(void *data, struct ieee80211_sta *sta)
  269. {
  270. struct rtw_phy_stat_iter_data *iter_data = data;
  271. struct rtw_dev *rtwdev = iter_data->rtwdev;
  272. struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;
  273. u8 rssi;
  274. rssi = ewma_rssi_read(&si->avg_rssi);
  275. si->rssi_level = rtw_phy_get_rssi_level(si->rssi_level, rssi);
  276. rtw_fw_send_rssi_info(rtwdev, si);
  277. iter_data->min_rssi = min_t(u8, rssi, iter_data->min_rssi);
  278. }
  279. static void rtw_phy_stat_rssi(struct rtw_dev *rtwdev)
  280. {
  281. struct rtw_dm_info *dm_info = &rtwdev->dm_info;
  282. struct rtw_phy_stat_iter_data data = {};
  283. data.rtwdev = rtwdev;
  284. data.min_rssi = U8_MAX;
  285. rtw_iterate_stas(rtwdev, rtw_phy_stat_rssi_iter, &data);
  286. dm_info->pre_min_rssi = dm_info->min_rssi;
  287. dm_info->min_rssi = data.min_rssi;
  288. }
  289. static void rtw_phy_stat_rate_cnt(struct rtw_dev *rtwdev)
  290. {
  291. struct rtw_dm_info *dm_info = &rtwdev->dm_info;
  292. dm_info->last_pkt_count = dm_info->cur_pkt_count;
  293. memset(&dm_info->cur_pkt_count, 0, sizeof(dm_info->cur_pkt_count));
  294. }
  295. static void rtw_phy_statistics(struct rtw_dev *rtwdev)
  296. {
  297. rtw_phy_stat_rssi(rtwdev);
  298. rtw_phy_stat_false_alarm(rtwdev);
  299. rtw_phy_stat_rate_cnt(rtwdev);
  300. }
  301. #define DIG_PERF_FA_TH_LOW 250
  302. #define DIG_PERF_FA_TH_HIGH 500
  303. #define DIG_PERF_FA_TH_EXTRA_HIGH 750
  304. #define DIG_PERF_MAX 0x5a
  305. #define DIG_PERF_MID 0x40
  306. #define DIG_CVRG_FA_TH_LOW 2000
  307. #define DIG_CVRG_FA_TH_HIGH 4000
  308. #define DIG_CVRG_FA_TH_EXTRA_HIGH 5000
  309. #define DIG_CVRG_MAX 0x2a
  310. #define DIG_CVRG_MID 0x26
  311. #define DIG_CVRG_MIN 0x1c
  312. #define DIG_RSSI_GAIN_OFFSET 15
  313. void rtw_phy_dig_set_max_coverage(struct rtw_dev *rtwdev)
  314. {
  315. /* Lower values result in greater coverage. */
  316. rtw_dbg(rtwdev, RTW_DBG_PHY, "Setting IGI=%#x for max coverage\n",
  317. DIG_CVRG_MIN);
  318. rtw_phy_dig_write(rtwdev, DIG_CVRG_MIN);
  319. }
  320. void rtw_phy_dig_reset(struct rtw_dev *rtwdev)
  321. {
  322. struct rtw_dm_info *dm_info = &rtwdev->dm_info;
  323. u8 last_igi;
  324. last_igi = dm_info->igi_history[0];
  325. rtw_dbg(rtwdev, RTW_DBG_PHY, "Resetting IGI=%#x\n", last_igi);
  326. rtw_phy_dig_write(rtwdev, last_igi);
  327. }
  328. static bool
  329. rtw_phy_dig_check_damping(struct rtw_dm_info *dm_info)
  330. {
  331. u16 fa_lo = DIG_PERF_FA_TH_LOW;
  332. u16 fa_hi = DIG_PERF_FA_TH_HIGH;
  333. u16 *fa_history;
  334. u8 *igi_history;
  335. u8 damping_rssi;
  336. u8 min_rssi;
  337. u8 diff;
  338. u8 igi_bitmap;
  339. bool damping = false;
  340. min_rssi = dm_info->min_rssi;
  341. if (dm_info->damping) {
  342. damping_rssi = dm_info->damping_rssi;
  343. diff = min_rssi > damping_rssi ? min_rssi - damping_rssi :
  344. damping_rssi - min_rssi;
  345. if (diff > 3 || dm_info->damping_cnt++ > 20) {
  346. dm_info->damping = false;
  347. return false;
  348. }
  349. return true;
  350. }
  351. igi_history = dm_info->igi_history;
  352. fa_history = dm_info->fa_history;
  353. igi_bitmap = dm_info->igi_bitmap & 0xf;
  354. switch (igi_bitmap) {
  355. case 5:
  356. /* down -> up -> down -> up */
  357. if (igi_history[0] > igi_history[1] &&
  358. igi_history[2] > igi_history[3] &&
  359. igi_history[0] - igi_history[1] >= 2 &&
  360. igi_history[2] - igi_history[3] >= 2 &&
  361. fa_history[0] > fa_hi && fa_history[1] < fa_lo &&
  362. fa_history[2] > fa_hi && fa_history[3] < fa_lo)
  363. damping = true;
  364. break;
  365. case 9:
  366. /* up -> down -> down -> up */
  367. if (igi_history[0] > igi_history[1] &&
  368. igi_history[3] > igi_history[2] &&
  369. igi_history[0] - igi_history[1] >= 4 &&
  370. igi_history[3] - igi_history[2] >= 2 &&
  371. fa_history[0] > fa_hi && fa_history[1] < fa_lo &&
  372. fa_history[2] < fa_lo && fa_history[3] > fa_hi)
  373. damping = true;
  374. break;
  375. default:
  376. return false;
  377. }
  378. if (damping) {
  379. dm_info->damping = true;
  380. dm_info->damping_cnt = 0;
  381. dm_info->damping_rssi = min_rssi;
  382. }
  383. return damping;
  384. }
  385. static void rtw_phy_dig_get_boundary(struct rtw_dev *rtwdev,
  386. struct rtw_dm_info *dm_info,
  387. u8 *upper, u8 *lower, bool linked)
  388. {
  389. u8 dig_max, dig_min, dig_mid;
  390. u8 min_rssi;
  391. if (linked) {
  392. dig_max = DIG_PERF_MAX;
  393. dig_mid = DIG_PERF_MID;
  394. dig_min = rtwdev->chip->dig_min;
  395. min_rssi = max_t(u8, dm_info->min_rssi, dig_min);
  396. } else {
  397. dig_max = DIG_CVRG_MAX;
  398. dig_mid = DIG_CVRG_MID;
  399. dig_min = DIG_CVRG_MIN;
  400. min_rssi = dig_min;
  401. }
  402. /* DIG MAX should be bounded by minimum RSSI with offset +15 */
  403. dig_max = min_t(u8, dig_max, min_rssi + DIG_RSSI_GAIN_OFFSET);
  404. *lower = clamp_t(u8, min_rssi, dig_min, dig_mid);
  405. *upper = clamp_t(u8, *lower + DIG_RSSI_GAIN_OFFSET, dig_min, dig_max);
  406. }
  407. static void rtw_phy_dig_get_threshold(struct rtw_dm_info *dm_info,
  408. u16 *fa_th, u8 *step, bool linked)
  409. {
  410. u8 min_rssi, pre_min_rssi;
  411. min_rssi = dm_info->min_rssi;
  412. pre_min_rssi = dm_info->pre_min_rssi;
  413. step[0] = 4;
  414. step[1] = 3;
  415. step[2] = 2;
  416. if (linked) {
  417. fa_th[0] = DIG_PERF_FA_TH_EXTRA_HIGH;
  418. fa_th[1] = DIG_PERF_FA_TH_HIGH;
  419. fa_th[2] = DIG_PERF_FA_TH_LOW;
  420. if (pre_min_rssi > min_rssi) {
  421. step[0] = 6;
  422. step[1] = 4;
  423. step[2] = 2;
  424. }
  425. } else {
  426. fa_th[0] = DIG_CVRG_FA_TH_EXTRA_HIGH;
  427. fa_th[1] = DIG_CVRG_FA_TH_HIGH;
  428. fa_th[2] = DIG_CVRG_FA_TH_LOW;
  429. }
  430. }
  431. static void rtw_phy_dig_recorder(struct rtw_dm_info *dm_info, u8 igi, u16 fa)
  432. {
  433. u8 *igi_history;
  434. u16 *fa_history;
  435. u8 igi_bitmap;
  436. bool up;
  437. igi_bitmap = dm_info->igi_bitmap << 1 & 0xfe;
  438. igi_history = dm_info->igi_history;
  439. fa_history = dm_info->fa_history;
  440. up = igi > igi_history[0];
  441. igi_bitmap |= up;
  442. igi_history[3] = igi_history[2];
  443. igi_history[2] = igi_history[1];
  444. igi_history[1] = igi_history[0];
  445. igi_history[0] = igi;
  446. fa_history[3] = fa_history[2];
  447. fa_history[2] = fa_history[1];
  448. fa_history[1] = fa_history[0];
  449. fa_history[0] = fa;
  450. dm_info->igi_bitmap = igi_bitmap;
  451. }
  452. static void rtw_phy_dig(struct rtw_dev *rtwdev)
  453. {
  454. struct rtw_dm_info *dm_info = &rtwdev->dm_info;
  455. u8 upper_bound, lower_bound;
  456. u8 pre_igi, cur_igi;
  457. u16 fa_th[3], fa_cnt;
  458. u8 level;
  459. u8 step[3];
  460. bool linked;
  461. if (test_bit(RTW_FLAG_DIG_DISABLE, rtwdev->flags))
  462. return;
  463. if (rtw_phy_dig_check_damping(dm_info))
  464. return;
  465. linked = !!rtwdev->sta_cnt;
  466. fa_cnt = dm_info->total_fa_cnt;
  467. pre_igi = dm_info->igi_history[0];
  468. rtw_phy_dig_get_threshold(dm_info, fa_th, step, linked);
  469. /* test the false alarm count from the highest threshold level first,
  470. * and increase it by corresponding step size
  471. *
  472. * note that the step size is offset by -2, compensate it afterall
  473. */
  474. cur_igi = pre_igi;
  475. for (level = 0; level < 3; level++) {
  476. if (fa_cnt > fa_th[level]) {
  477. cur_igi += step[level];
  478. break;
  479. }
  480. }
  481. cur_igi -= 2;
  482. /* calculate the upper/lower bound by the minimum rssi we have among
  483. * the peers connected with us, meanwhile make sure the igi value does
  484. * not beyond the hardware limitation
  485. */
  486. rtw_phy_dig_get_boundary(rtwdev, dm_info, &upper_bound, &lower_bound,
  487. linked);
  488. cur_igi = clamp_t(u8, cur_igi, lower_bound, upper_bound);
  489. /* record current igi value and false alarm statistics for further
  490. * damping checks, and record the trend of igi values
  491. */
  492. rtw_phy_dig_recorder(dm_info, cur_igi, fa_cnt);
  493. /* Mitigate beacon loss and connectivity issues, mainly (only?)
  494. * in the 5 GHz band
  495. */
  496. if (rtwdev->chip->id == RTW_CHIP_TYPE_8812A && rtwdev->beacon_loss &&
  497. linked && dm_info->total_fa_cnt < DIG_PERF_FA_TH_EXTRA_HIGH)
  498. cur_igi = DIG_CVRG_MIN;
  499. if (cur_igi != pre_igi)
  500. rtw_phy_dig_write(rtwdev, cur_igi);
  501. }
  502. static void rtw_phy_ra_info_update_iter(void *data, struct ieee80211_sta *sta)
  503. {
  504. struct rtw_dev *rtwdev = data;
  505. struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;
  506. rtw_update_sta_info(rtwdev, si, false);
  507. }
  508. static void rtw_phy_ra_info_update(struct rtw_dev *rtwdev)
  509. {
  510. if (rtwdev->watch_dog_cnt & 0x3)
  511. return;
  512. rtw_iterate_stas(rtwdev, rtw_phy_ra_info_update_iter, rtwdev);
  513. }
  514. static u32 rtw_phy_get_rrsr_mask(struct rtw_dev *rtwdev, u8 rate_idx)
  515. {
  516. u8 rate_order;
  517. rate_order = rate_idx;
  518. if (rate_idx >= DESC_RATEVHT4SS_MCS0)
  519. rate_order -= DESC_RATEVHT4SS_MCS0;
  520. else if (rate_idx >= DESC_RATEVHT3SS_MCS0)
  521. rate_order -= DESC_RATEVHT3SS_MCS0;
  522. else if (rate_idx >= DESC_RATEVHT2SS_MCS0)
  523. rate_order -= DESC_RATEVHT2SS_MCS0;
  524. else if (rate_idx >= DESC_RATEVHT1SS_MCS0)
  525. rate_order -= DESC_RATEVHT1SS_MCS0;
  526. else if (rate_idx >= DESC_RATEMCS24)
  527. rate_order -= DESC_RATEMCS24;
  528. else if (rate_idx >= DESC_RATEMCS16)
  529. rate_order -= DESC_RATEMCS16;
  530. else if (rate_idx >= DESC_RATEMCS8)
  531. rate_order -= DESC_RATEMCS8;
  532. else if (rate_idx >= DESC_RATEMCS0)
  533. rate_order -= DESC_RATEMCS0;
  534. else if (rate_idx >= DESC_RATE6M)
  535. rate_order -= DESC_RATE6M;
  536. else
  537. rate_order -= DESC_RATE1M;
  538. if (rate_idx >= DESC_RATEMCS0 || rate_order == 0)
  539. rate_order++;
  540. return GENMASK(rate_order + RRSR_RATE_ORDER_CCK_LEN - 1, 0);
  541. }
  542. static void rtw_phy_rrsr_mask_min_iter(void *data, struct ieee80211_sta *sta)
  543. {
  544. struct rtw_dev *rtwdev = (struct rtw_dev *)data;
  545. struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;
  546. struct rtw_dm_info *dm_info = &rtwdev->dm_info;
  547. u32 mask = 0;
  548. mask = rtw_phy_get_rrsr_mask(rtwdev, si->ra_report.desc_rate);
  549. if (mask < dm_info->rrsr_mask_min)
  550. dm_info->rrsr_mask_min = mask;
  551. }
  552. static void rtw_phy_rrsr_update(struct rtw_dev *rtwdev)
  553. {
  554. struct rtw_dm_info *dm_info = &rtwdev->dm_info;
  555. dm_info->rrsr_mask_min = RRSR_RATE_ORDER_MAX;
  556. rtw_iterate_stas(rtwdev, rtw_phy_rrsr_mask_min_iter, rtwdev);
  557. rtw_write32(rtwdev, REG_RRSR, dm_info->rrsr_val_init & dm_info->rrsr_mask_min);
  558. }
  559. static void rtw_phy_dpk_track(struct rtw_dev *rtwdev)
  560. {
  561. const struct rtw_chip_info *chip = rtwdev->chip;
  562. if (chip->ops->dpk_track)
  563. chip->ops->dpk_track(rtwdev);
  564. }
  565. struct rtw_rx_addr_match_data {
  566. struct rtw_dev *rtwdev;
  567. struct ieee80211_hdr *hdr;
  568. struct rtw_rx_pkt_stat *pkt_stat;
  569. u8 *bssid;
  570. };
  571. static void rtw_phy_parsing_cfo_iter(void *data, u8 *mac,
  572. struct ieee80211_vif *vif)
  573. {
  574. struct rtw_rx_addr_match_data *iter_data = data;
  575. struct rtw_dev *rtwdev = iter_data->rtwdev;
  576. struct rtw_rx_pkt_stat *pkt_stat = iter_data->pkt_stat;
  577. struct rtw_dm_info *dm_info = &rtwdev->dm_info;
  578. struct rtw_cfo_track *cfo = &dm_info->cfo_track;
  579. u8 *bssid = iter_data->bssid;
  580. u8 i;
  581. if (!ether_addr_equal(vif->bss_conf.bssid, bssid))
  582. return;
  583. for (i = 0; i < rtwdev->hal.rf_path_num; i++) {
  584. cfo->cfo_tail[i] += pkt_stat->cfo_tail[i];
  585. cfo->cfo_cnt[i]++;
  586. }
  587. cfo->packet_count++;
  588. }
  589. void rtw_phy_parsing_cfo(struct rtw_dev *rtwdev,
  590. struct rtw_rx_pkt_stat *pkt_stat)
  591. {
  592. struct ieee80211_hdr *hdr = pkt_stat->hdr;
  593. struct rtw_rx_addr_match_data data = {};
  594. if (pkt_stat->crc_err || pkt_stat->icv_err || !pkt_stat->phy_status ||
  595. ieee80211_is_ctl(hdr->frame_control))
  596. return;
  597. data.rtwdev = rtwdev;
  598. data.hdr = hdr;
  599. data.pkt_stat = pkt_stat;
  600. data.bssid = get_hdr_bssid(hdr);
  601. rtw_iterate_vifs_atomic(rtwdev, rtw_phy_parsing_cfo_iter, &data);
  602. }
  603. EXPORT_SYMBOL(rtw_phy_parsing_cfo);
  604. static void rtw_phy_cfo_track(struct rtw_dev *rtwdev)
  605. {
  606. const struct rtw_chip_info *chip = rtwdev->chip;
  607. if (chip->ops->cfo_track)
  608. chip->ops->cfo_track(rtwdev);
  609. }
  610. #define CCK_PD_FA_LV1_MIN 1000
  611. #define CCK_PD_FA_LV0_MAX 500
  612. static u8 rtw_phy_cck_pd_lv_unlink(struct rtw_dev *rtwdev)
  613. {
  614. struct rtw_dm_info *dm_info = &rtwdev->dm_info;
  615. u32 cck_fa_avg = dm_info->cck_fa_avg;
  616. if (cck_fa_avg > CCK_PD_FA_LV1_MIN)
  617. return CCK_PD_LV1;
  618. if (cck_fa_avg < CCK_PD_FA_LV0_MAX)
  619. return CCK_PD_LV0;
  620. return CCK_PD_LV_MAX;
  621. }
  622. #define CCK_PD_IGI_LV4_VAL 0x38
  623. #define CCK_PD_IGI_LV3_VAL 0x2a
  624. #define CCK_PD_IGI_LV2_VAL 0x24
  625. #define CCK_PD_RSSI_LV4_VAL 32
  626. #define CCK_PD_RSSI_LV3_VAL 32
  627. #define CCK_PD_RSSI_LV2_VAL 24
  628. static u8 rtw_phy_cck_pd_lv_link(struct rtw_dev *rtwdev)
  629. {
  630. struct rtw_dm_info *dm_info = &rtwdev->dm_info;
  631. u8 igi = dm_info->igi_history[0];
  632. u8 rssi = dm_info->min_rssi;
  633. u32 cck_fa_avg = dm_info->cck_fa_avg;
  634. if (igi > CCK_PD_IGI_LV4_VAL && rssi > CCK_PD_RSSI_LV4_VAL)
  635. return CCK_PD_LV4;
  636. if (igi > CCK_PD_IGI_LV3_VAL && rssi > CCK_PD_RSSI_LV3_VAL)
  637. return CCK_PD_LV3;
  638. if (igi > CCK_PD_IGI_LV2_VAL || rssi > CCK_PD_RSSI_LV2_VAL)
  639. return CCK_PD_LV2;
  640. if (cck_fa_avg > CCK_PD_FA_LV1_MIN)
  641. return CCK_PD_LV1;
  642. if (cck_fa_avg < CCK_PD_FA_LV0_MAX)
  643. return CCK_PD_LV0;
  644. return CCK_PD_LV_MAX;
  645. }
  646. static u8 rtw_phy_cck_pd_lv(struct rtw_dev *rtwdev)
  647. {
  648. if (!rtw_is_assoc(rtwdev))
  649. return rtw_phy_cck_pd_lv_unlink(rtwdev);
  650. else
  651. return rtw_phy_cck_pd_lv_link(rtwdev);
  652. }
  653. static void rtw_phy_cck_pd(struct rtw_dev *rtwdev)
  654. {
  655. const struct rtw_chip_info *chip = rtwdev->chip;
  656. struct rtw_dm_info *dm_info = &rtwdev->dm_info;
  657. u32 cck_fa = dm_info->cck_fa_cnt;
  658. u8 level;
  659. if (rtwdev->hal.current_band_type != RTW_BAND_2G)
  660. return;
  661. if (dm_info->cck_fa_avg == CCK_FA_AVG_RESET)
  662. dm_info->cck_fa_avg = cck_fa;
  663. else
  664. dm_info->cck_fa_avg = (dm_info->cck_fa_avg * 3 + cck_fa) >> 2;
  665. rtw_dbg(rtwdev, RTW_DBG_PHY, "IGI=0x%x, rssi_min=%d, cck_fa=%d\n",
  666. dm_info->igi_history[0], dm_info->min_rssi,
  667. dm_info->fa_history[0]);
  668. rtw_dbg(rtwdev, RTW_DBG_PHY, "cck_fa_avg=%d, cck_pd_default=%d\n",
  669. dm_info->cck_fa_avg, dm_info->cck_pd_default);
  670. level = rtw_phy_cck_pd_lv(rtwdev);
  671. if (level >= CCK_PD_LV_MAX)
  672. return;
  673. if (chip->ops->cck_pd_set)
  674. chip->ops->cck_pd_set(rtwdev, level);
  675. }
  676. static void rtw_phy_pwr_track(struct rtw_dev *rtwdev)
  677. {
  678. rtwdev->chip->ops->pwr_track(rtwdev);
  679. }
  680. static void rtw_phy_ra_track(struct rtw_dev *rtwdev)
  681. {
  682. rtw_fw_update_wl_phy_info(rtwdev);
  683. rtw_phy_ra_info_update(rtwdev);
  684. rtw_phy_rrsr_update(rtwdev);
  685. }
  686. void rtw_phy_dynamic_mechanism(struct rtw_dev *rtwdev)
  687. {
  688. /* for further calculation */
  689. rtw_phy_statistics(rtwdev);
  690. rtw_phy_dig(rtwdev);
  691. rtw_phy_cck_pd(rtwdev);
  692. rtw_phy_ra_track(rtwdev);
  693. rtw_phy_tx_path_diversity(rtwdev);
  694. rtw_phy_cfo_track(rtwdev);
  695. rtw_phy_dpk_track(rtwdev);
  696. rtw_phy_pwr_track(rtwdev);
  697. if (rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_ADAPTIVITY))
  698. rtw_fw_adaptivity(rtwdev);
  699. else
  700. rtw_phy_adaptivity(rtwdev);
  701. }
  702. #define FRAC_BITS 3
  703. static u8 rtw_phy_power_2_db(s8 power)
  704. {
  705. if (power <= -100 || power >= 20)
  706. return 0;
  707. else if (power >= 0)
  708. return 100;
  709. else
  710. return 100 + power;
  711. }
  712. static u64 rtw_phy_db_2_linear(u8 power_db)
  713. {
  714. u8 i, j;
  715. u64 linear;
  716. if (power_db > 96)
  717. power_db = 96;
  718. else if (power_db < 1)
  719. return 1;
  720. /* 1dB ~ 96dB */
  721. i = (power_db - 1) >> 3;
  722. j = (power_db - 1) - (i << 3);
  723. linear = db_invert_table[i][j];
  724. linear = i > 2 ? linear << FRAC_BITS : linear;
  725. return linear;
  726. }
  727. static u8 rtw_phy_linear_2_db(u64 linear)
  728. {
  729. u8 i;
  730. u8 j;
  731. u32 dB;
  732. for (i = 0; i < 12; i++) {
  733. for (j = 0; j < 8; j++) {
  734. if (i <= 2 && (linear << FRAC_BITS) <= db_invert_table[i][j])
  735. goto cnt;
  736. else if (i > 2 && linear <= db_invert_table[i][j])
  737. goto cnt;
  738. }
  739. }
  740. return 96; /* maximum 96 dB */
  741. cnt:
  742. if (j == 0 && i == 0)
  743. goto end;
  744. if (j == 0) {
  745. if (i != 3) {
  746. if (db_invert_table[i][0] - linear >
  747. linear - db_invert_table[i - 1][7]) {
  748. i = i - 1;
  749. j = 7;
  750. }
  751. } else {
  752. if (db_invert_table[3][0] - linear >
  753. linear - db_invert_table[2][7]) {
  754. i = 2;
  755. j = 7;
  756. }
  757. }
  758. } else {
  759. if (db_invert_table[i][j] - linear >
  760. linear - db_invert_table[i][j - 1]) {
  761. j = j - 1;
  762. }
  763. }
  764. end:
  765. dB = (i << 3) + j + 1;
  766. return dB;
  767. }
  768. u8 rtw_phy_rf_power_2_rssi(s8 *rf_power, u8 path_num)
  769. {
  770. s8 power;
  771. u8 power_db;
  772. u64 linear;
  773. u64 sum = 0;
  774. u8 path;
  775. for (path = 0; path < path_num; path++) {
  776. power = rf_power[path];
  777. power_db = rtw_phy_power_2_db(power);
  778. linear = rtw_phy_db_2_linear(power_db);
  779. sum += linear;
  780. }
  781. sum = (sum + (1 << (FRAC_BITS - 1))) >> FRAC_BITS;
  782. switch (path_num) {
  783. case 2:
  784. sum >>= 1;
  785. break;
  786. case 3:
  787. sum = ((sum) + ((sum) << 1) + ((sum) << 3)) >> 5;
  788. break;
  789. case 4:
  790. sum >>= 2;
  791. break;
  792. default:
  793. break;
  794. }
  795. return rtw_phy_linear_2_db(sum);
  796. }
  797. EXPORT_SYMBOL(rtw_phy_rf_power_2_rssi);
  798. u32 rtw_phy_read_rf(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
  799. u32 addr, u32 mask)
  800. {
  801. struct rtw_hal *hal = &rtwdev->hal;
  802. const struct rtw_chip_info *chip = rtwdev->chip;
  803. const u32 *base_addr = chip->rf_base_addr;
  804. u32 val, direct_addr;
  805. if (rf_path >= hal->rf_phy_num) {
  806. rtw_err(rtwdev, "unsupported rf path (%d)\n", rf_path);
  807. return INV_RF_DATA;
  808. }
  809. addr &= 0xff;
  810. direct_addr = base_addr[rf_path] + (addr << 2);
  811. mask &= RFREG_MASK;
  812. val = rtw_read32_mask(rtwdev, direct_addr, mask);
  813. return val;
  814. }
  815. EXPORT_SYMBOL(rtw_phy_read_rf);
  816. u32 rtw_phy_read_rf_sipi(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
  817. u32 addr, u32 mask)
  818. {
  819. struct rtw_hal *hal = &rtwdev->hal;
  820. const struct rtw_chip_info *chip = rtwdev->chip;
  821. const struct rtw_rf_sipi_addr *rf_sipi_addr;
  822. const struct rtw_rf_sipi_addr *rf_sipi_addr_a;
  823. u32 val32;
  824. u32 en_pi;
  825. u32 r_addr;
  826. u32 shift;
  827. if (rf_path >= hal->rf_phy_num) {
  828. rtw_err(rtwdev, "unsupported rf path (%d)\n", rf_path);
  829. return INV_RF_DATA;
  830. }
  831. if (!chip->rf_sipi_read_addr) {
  832. rtw_err(rtwdev, "rf_sipi_read_addr isn't defined\n");
  833. return INV_RF_DATA;
  834. }
  835. rf_sipi_addr = &chip->rf_sipi_read_addr[rf_path];
  836. rf_sipi_addr_a = &chip->rf_sipi_read_addr[RF_PATH_A];
  837. addr &= 0xff;
  838. val32 = rtw_read32(rtwdev, rf_sipi_addr->hssi_2);
  839. val32 = (val32 & ~LSSI_READ_ADDR_MASK) | (addr << 23);
  840. rtw_write32(rtwdev, rf_sipi_addr->hssi_2, val32);
  841. /* toggle read edge of path A */
  842. val32 = rtw_read32(rtwdev, rf_sipi_addr_a->hssi_2);
  843. rtw_write32(rtwdev, rf_sipi_addr_a->hssi_2, val32 & ~LSSI_READ_EDGE_MASK);
  844. rtw_write32(rtwdev, rf_sipi_addr_a->hssi_2, val32 | LSSI_READ_EDGE_MASK);
  845. udelay(120);
  846. en_pi = rtw_read32_mask(rtwdev, rf_sipi_addr->hssi_1, BIT(8));
  847. r_addr = en_pi ? rf_sipi_addr->lssi_read_pi : rf_sipi_addr->lssi_read;
  848. val32 = rtw_read32_mask(rtwdev, r_addr, LSSI_READ_DATA_MASK);
  849. shift = __ffs(mask);
  850. return (val32 & mask) >> shift;
  851. }
  852. EXPORT_SYMBOL(rtw_phy_read_rf_sipi);
  853. bool rtw_phy_write_rf_reg_sipi(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
  854. u32 addr, u32 mask, u32 data)
  855. {
  856. struct rtw_hal *hal = &rtwdev->hal;
  857. const struct rtw_chip_info *chip = rtwdev->chip;
  858. const u32 *sipi_addr = chip->rf_sipi_addr;
  859. u32 data_and_addr;
  860. u32 old_data = 0;
  861. u32 shift;
  862. if (rf_path >= hal->rf_phy_num) {
  863. rtw_err(rtwdev, "unsupported rf path (%d)\n", rf_path);
  864. return false;
  865. }
  866. addr &= 0xff;
  867. mask &= RFREG_MASK;
  868. if (mask != RFREG_MASK) {
  869. old_data = chip->ops->read_rf(rtwdev, rf_path, addr, RFREG_MASK);
  870. if (old_data == INV_RF_DATA) {
  871. rtw_err(rtwdev, "Write fail, rf is disabled\n");
  872. return false;
  873. }
  874. shift = __ffs(mask);
  875. data = ((old_data) & (~mask)) | (data << shift);
  876. }
  877. data_and_addr = ((addr << 20) | (data & 0x000fffff)) & 0x0fffffff;
  878. rtw_write32(rtwdev, sipi_addr[rf_path], data_and_addr);
  879. udelay(13);
  880. return true;
  881. }
  882. EXPORT_SYMBOL(rtw_phy_write_rf_reg_sipi);
  883. bool rtw_phy_write_rf_reg(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
  884. u32 addr, u32 mask, u32 data)
  885. {
  886. struct rtw_hal *hal = &rtwdev->hal;
  887. const struct rtw_chip_info *chip = rtwdev->chip;
  888. const u32 *base_addr = chip->rf_base_addr;
  889. u32 direct_addr;
  890. if (rf_path >= hal->rf_phy_num) {
  891. rtw_err(rtwdev, "unsupported rf path (%d)\n", rf_path);
  892. return false;
  893. }
  894. addr &= 0xff;
  895. direct_addr = base_addr[rf_path] + (addr << 2);
  896. mask &= RFREG_MASK;
  897. rtw_write32_mask(rtwdev, direct_addr, mask, data);
  898. udelay(1);
  899. return true;
  900. }
  901. bool rtw_phy_write_rf_reg_mix(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
  902. u32 addr, u32 mask, u32 data)
  903. {
  904. if (addr != 0x00)
  905. return rtw_phy_write_rf_reg(rtwdev, rf_path, addr, mask, data);
  906. return rtw_phy_write_rf_reg_sipi(rtwdev, rf_path, addr, mask, data);
  907. }
  908. EXPORT_SYMBOL(rtw_phy_write_rf_reg_mix);
  909. void rtw_phy_setup_phy_cond(struct rtw_dev *rtwdev, u32 pkg)
  910. {
  911. struct rtw_hal *hal = &rtwdev->hal;
  912. struct rtw_efuse *efuse = &rtwdev->efuse;
  913. struct rtw_phy_cond cond = {};
  914. struct rtw_phy_cond2 cond2 = {};
  915. cond.cut = hal->cut_version ? hal->cut_version : 15;
  916. cond.pkg = pkg ? pkg : 15;
  917. cond.plat = 0x04;
  918. cond.rfe = efuse->rfe_option;
  919. switch (rtw_hci_type(rtwdev)) {
  920. case RTW_HCI_TYPE_USB:
  921. cond.intf = INTF_USB;
  922. break;
  923. case RTW_HCI_TYPE_SDIO:
  924. cond.intf = INTF_SDIO;
  925. break;
  926. case RTW_HCI_TYPE_PCIE:
  927. default:
  928. cond.intf = INTF_PCIE;
  929. break;
  930. }
  931. if (rtwdev->chip->id == RTW_CHIP_TYPE_8812A ||
  932. rtwdev->chip->id == RTW_CHIP_TYPE_8821A) {
  933. cond.rfe = 0;
  934. cond.rfe |= efuse->ext_lna_2g;
  935. cond.rfe |= efuse->ext_pa_2g << 1;
  936. cond.rfe |= efuse->ext_lna_5g << 2;
  937. cond.rfe |= efuse->ext_pa_5g << 3;
  938. cond.rfe |= efuse->btcoex << 4;
  939. cond2.type_alna = efuse->alna_type;
  940. cond2.type_glna = efuse->glna_type;
  941. cond2.type_apa = efuse->apa_type;
  942. cond2.type_gpa = efuse->gpa_type;
  943. }
  944. hal->phy_cond = cond;
  945. hal->phy_cond2 = cond2;
  946. rtw_dbg(rtwdev, RTW_DBG_PHY, "phy cond=0x%08x cond2=0x%08x\n",
  947. *((u32 *)&hal->phy_cond), *((u32 *)&hal->phy_cond2));
  948. }
  949. static bool check_positive(struct rtw_dev *rtwdev, struct rtw_phy_cond cond,
  950. struct rtw_phy_cond2 cond2)
  951. {
  952. struct rtw_hal *hal = &rtwdev->hal;
  953. struct rtw_phy_cond drv_cond = hal->phy_cond;
  954. struct rtw_phy_cond2 drv_cond2 = hal->phy_cond2;
  955. if (cond.cut && cond.cut != drv_cond.cut)
  956. return false;
  957. if (cond.pkg && cond.pkg != drv_cond.pkg)
  958. return false;
  959. if (cond.intf && cond.intf != drv_cond.intf)
  960. return false;
  961. if (rtwdev->chip->id == RTW_CHIP_TYPE_8812A ||
  962. rtwdev->chip->id == RTW_CHIP_TYPE_8821A) {
  963. if (!(cond.rfe & 0x0f))
  964. return true;
  965. if ((cond.rfe & drv_cond.rfe) != cond.rfe)
  966. return false;
  967. if ((cond.rfe & BIT(0)) && cond2.type_glna != drv_cond2.type_glna)
  968. return false;
  969. if ((cond.rfe & BIT(1)) && cond2.type_gpa != drv_cond2.type_gpa)
  970. return false;
  971. if ((cond.rfe & BIT(2)) && cond2.type_alna != drv_cond2.type_alna)
  972. return false;
  973. if ((cond.rfe & BIT(3)) && cond2.type_apa != drv_cond2.type_apa)
  974. return false;
  975. } else {
  976. if (cond.rfe != drv_cond.rfe)
  977. return false;
  978. }
  979. return true;
  980. }
  981. void rtw_parse_tbl_phy_cond(struct rtw_dev *rtwdev, const struct rtw_table *tbl)
  982. {
  983. const union phy_table_tile *p = tbl->data;
  984. const union phy_table_tile *end = p + tbl->size / 2;
  985. struct rtw_phy_cond pos_cond = {};
  986. struct rtw_phy_cond2 pos_cond2 = {};
  987. bool is_matched = true, is_skipped = false;
  988. BUILD_BUG_ON(sizeof(union phy_table_tile) != sizeof(struct phy_cfg_pair));
  989. for (; p < end; p++) {
  990. if (p->cond.pos) {
  991. switch (p->cond.branch) {
  992. case BRANCH_ENDIF:
  993. is_matched = true;
  994. is_skipped = false;
  995. break;
  996. case BRANCH_ELSE:
  997. is_matched = is_skipped ? false : true;
  998. break;
  999. case BRANCH_IF:
  1000. case BRANCH_ELIF:
  1001. default:
  1002. pos_cond = p->cond;
  1003. pos_cond2 = p->cond2;
  1004. break;
  1005. }
  1006. } else if (p->cond.neg) {
  1007. if (!is_skipped) {
  1008. if (check_positive(rtwdev, pos_cond, pos_cond2)) {
  1009. is_matched = true;
  1010. is_skipped = true;
  1011. } else {
  1012. is_matched = false;
  1013. is_skipped = false;
  1014. }
  1015. } else {
  1016. is_matched = false;
  1017. }
  1018. } else if (is_matched) {
  1019. (*tbl->do_cfg)(rtwdev, tbl, p->cfg.addr, p->cfg.data);
  1020. }
  1021. }
  1022. }
  1023. EXPORT_SYMBOL(rtw_parse_tbl_phy_cond);
  1024. #define bcd_to_dec_pwr_by_rate(val, i) bcd2bin(val >> (i * 8))
  1025. static u8 tbl_to_dec_pwr_by_rate(struct rtw_dev *rtwdev, u32 hex, u8 i)
  1026. {
  1027. if (rtwdev->chip->is_pwr_by_rate_dec)
  1028. return bcd_to_dec_pwr_by_rate(hex, i);
  1029. return (hex >> (i * 8)) & 0xFF;
  1030. }
  1031. static void
  1032. rtw_phy_get_rate_values_of_txpwr_by_rate(struct rtw_dev *rtwdev,
  1033. u32 addr, u32 mask, u32 val, u8 *rate,
  1034. u8 *pwr_by_rate, u8 *rate_num)
  1035. {
  1036. int i;
  1037. switch (addr) {
  1038. case 0xE00:
  1039. case 0x830:
  1040. rate[0] = DESC_RATE6M;
  1041. rate[1] = DESC_RATE9M;
  1042. rate[2] = DESC_RATE12M;
  1043. rate[3] = DESC_RATE18M;
  1044. for (i = 0; i < 4; ++i)
  1045. pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
  1046. *rate_num = 4;
  1047. break;
  1048. case 0xE04:
  1049. case 0x834:
  1050. rate[0] = DESC_RATE24M;
  1051. rate[1] = DESC_RATE36M;
  1052. rate[2] = DESC_RATE48M;
  1053. rate[3] = DESC_RATE54M;
  1054. for (i = 0; i < 4; ++i)
  1055. pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
  1056. *rate_num = 4;
  1057. break;
  1058. case 0xE08:
  1059. rate[0] = DESC_RATE1M;
  1060. pwr_by_rate[0] = bcd_to_dec_pwr_by_rate(val, 1);
  1061. *rate_num = 1;
  1062. break;
  1063. case 0x86C:
  1064. if (mask == 0xffffff00) {
  1065. rate[0] = DESC_RATE2M;
  1066. rate[1] = DESC_RATE5_5M;
  1067. rate[2] = DESC_RATE11M;
  1068. for (i = 1; i < 4; ++i)
  1069. pwr_by_rate[i - 1] =
  1070. tbl_to_dec_pwr_by_rate(rtwdev, val, i);
  1071. *rate_num = 3;
  1072. } else if (mask == 0x000000ff) {
  1073. rate[0] = DESC_RATE11M;
  1074. pwr_by_rate[0] = bcd_to_dec_pwr_by_rate(val, 0);
  1075. *rate_num = 1;
  1076. }
  1077. break;
  1078. case 0xE10:
  1079. case 0x83C:
  1080. rate[0] = DESC_RATEMCS0;
  1081. rate[1] = DESC_RATEMCS1;
  1082. rate[2] = DESC_RATEMCS2;
  1083. rate[3] = DESC_RATEMCS3;
  1084. for (i = 0; i < 4; ++i)
  1085. pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
  1086. *rate_num = 4;
  1087. break;
  1088. case 0xE14:
  1089. case 0x848:
  1090. rate[0] = DESC_RATEMCS4;
  1091. rate[1] = DESC_RATEMCS5;
  1092. rate[2] = DESC_RATEMCS6;
  1093. rate[3] = DESC_RATEMCS7;
  1094. for (i = 0; i < 4; ++i)
  1095. pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
  1096. *rate_num = 4;
  1097. break;
  1098. case 0xE18:
  1099. case 0x84C:
  1100. rate[0] = DESC_RATEMCS8;
  1101. rate[1] = DESC_RATEMCS9;
  1102. rate[2] = DESC_RATEMCS10;
  1103. rate[3] = DESC_RATEMCS11;
  1104. for (i = 0; i < 4; ++i)
  1105. pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
  1106. *rate_num = 4;
  1107. break;
  1108. case 0xE1C:
  1109. case 0x868:
  1110. rate[0] = DESC_RATEMCS12;
  1111. rate[1] = DESC_RATEMCS13;
  1112. rate[2] = DESC_RATEMCS14;
  1113. rate[3] = DESC_RATEMCS15;
  1114. for (i = 0; i < 4; ++i)
  1115. pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
  1116. *rate_num = 4;
  1117. break;
  1118. case 0x838:
  1119. rate[0] = DESC_RATE1M;
  1120. rate[1] = DESC_RATE2M;
  1121. rate[2] = DESC_RATE5_5M;
  1122. for (i = 1; i < 4; ++i)
  1123. pwr_by_rate[i - 1] = tbl_to_dec_pwr_by_rate(rtwdev,
  1124. val, i);
  1125. *rate_num = 3;
  1126. break;
  1127. case 0xC20:
  1128. case 0xE20:
  1129. case 0x1820:
  1130. case 0x1A20:
  1131. rate[0] = DESC_RATE1M;
  1132. rate[1] = DESC_RATE2M;
  1133. rate[2] = DESC_RATE5_5M;
  1134. rate[3] = DESC_RATE11M;
  1135. for (i = 0; i < 4; ++i)
  1136. pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
  1137. *rate_num = 4;
  1138. break;
  1139. case 0xC24:
  1140. case 0xE24:
  1141. case 0x1824:
  1142. case 0x1A24:
  1143. rate[0] = DESC_RATE6M;
  1144. rate[1] = DESC_RATE9M;
  1145. rate[2] = DESC_RATE12M;
  1146. rate[3] = DESC_RATE18M;
  1147. for (i = 0; i < 4; ++i)
  1148. pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
  1149. *rate_num = 4;
  1150. break;
  1151. case 0xC28:
  1152. case 0xE28:
  1153. case 0x1828:
  1154. case 0x1A28:
  1155. rate[0] = DESC_RATE24M;
  1156. rate[1] = DESC_RATE36M;
  1157. rate[2] = DESC_RATE48M;
  1158. rate[3] = DESC_RATE54M;
  1159. for (i = 0; i < 4; ++i)
  1160. pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
  1161. *rate_num = 4;
  1162. break;
  1163. case 0xC2C:
  1164. case 0xE2C:
  1165. case 0x182C:
  1166. case 0x1A2C:
  1167. rate[0] = DESC_RATEMCS0;
  1168. rate[1] = DESC_RATEMCS1;
  1169. rate[2] = DESC_RATEMCS2;
  1170. rate[3] = DESC_RATEMCS3;
  1171. for (i = 0; i < 4; ++i)
  1172. pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
  1173. *rate_num = 4;
  1174. break;
  1175. case 0xC30:
  1176. case 0xE30:
  1177. case 0x1830:
  1178. case 0x1A30:
  1179. rate[0] = DESC_RATEMCS4;
  1180. rate[1] = DESC_RATEMCS5;
  1181. rate[2] = DESC_RATEMCS6;
  1182. rate[3] = DESC_RATEMCS7;
  1183. for (i = 0; i < 4; ++i)
  1184. pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
  1185. *rate_num = 4;
  1186. break;
  1187. case 0xC34:
  1188. case 0xE34:
  1189. case 0x1834:
  1190. case 0x1A34:
  1191. rate[0] = DESC_RATEMCS8;
  1192. rate[1] = DESC_RATEMCS9;
  1193. rate[2] = DESC_RATEMCS10;
  1194. rate[3] = DESC_RATEMCS11;
  1195. for (i = 0; i < 4; ++i)
  1196. pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
  1197. *rate_num = 4;
  1198. break;
  1199. case 0xC38:
  1200. case 0xE38:
  1201. case 0x1838:
  1202. case 0x1A38:
  1203. rate[0] = DESC_RATEMCS12;
  1204. rate[1] = DESC_RATEMCS13;
  1205. rate[2] = DESC_RATEMCS14;
  1206. rate[3] = DESC_RATEMCS15;
  1207. for (i = 0; i < 4; ++i)
  1208. pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
  1209. *rate_num = 4;
  1210. break;
  1211. case 0xC3C:
  1212. case 0xE3C:
  1213. case 0x183C:
  1214. case 0x1A3C:
  1215. rate[0] = DESC_RATEVHT1SS_MCS0;
  1216. rate[1] = DESC_RATEVHT1SS_MCS1;
  1217. rate[2] = DESC_RATEVHT1SS_MCS2;
  1218. rate[3] = DESC_RATEVHT1SS_MCS3;
  1219. for (i = 0; i < 4; ++i)
  1220. pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
  1221. *rate_num = 4;
  1222. break;
  1223. case 0xC40:
  1224. case 0xE40:
  1225. case 0x1840:
  1226. case 0x1A40:
  1227. rate[0] = DESC_RATEVHT1SS_MCS4;
  1228. rate[1] = DESC_RATEVHT1SS_MCS5;
  1229. rate[2] = DESC_RATEVHT1SS_MCS6;
  1230. rate[3] = DESC_RATEVHT1SS_MCS7;
  1231. for (i = 0; i < 4; ++i)
  1232. pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
  1233. *rate_num = 4;
  1234. break;
  1235. case 0xC44:
  1236. case 0xE44:
  1237. case 0x1844:
  1238. case 0x1A44:
  1239. rate[0] = DESC_RATEVHT1SS_MCS8;
  1240. rate[1] = DESC_RATEVHT1SS_MCS9;
  1241. rate[2] = DESC_RATEVHT2SS_MCS0;
  1242. rate[3] = DESC_RATEVHT2SS_MCS1;
  1243. for (i = 0; i < 4; ++i)
  1244. pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
  1245. *rate_num = 4;
  1246. break;
  1247. case 0xC48:
  1248. case 0xE48:
  1249. case 0x1848:
  1250. case 0x1A48:
  1251. rate[0] = DESC_RATEVHT2SS_MCS2;
  1252. rate[1] = DESC_RATEVHT2SS_MCS3;
  1253. rate[2] = DESC_RATEVHT2SS_MCS4;
  1254. rate[3] = DESC_RATEVHT2SS_MCS5;
  1255. for (i = 0; i < 4; ++i)
  1256. pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
  1257. *rate_num = 4;
  1258. break;
  1259. case 0xC4C:
  1260. case 0xE4C:
  1261. case 0x184C:
  1262. case 0x1A4C:
  1263. rate[0] = DESC_RATEVHT2SS_MCS6;
  1264. rate[1] = DESC_RATEVHT2SS_MCS7;
  1265. rate[2] = DESC_RATEVHT2SS_MCS8;
  1266. rate[3] = DESC_RATEVHT2SS_MCS9;
  1267. for (i = 0; i < 4; ++i)
  1268. pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
  1269. *rate_num = 4;
  1270. break;
  1271. case 0xCD8:
  1272. case 0xED8:
  1273. case 0x18D8:
  1274. case 0x1AD8:
  1275. rate[0] = DESC_RATEMCS16;
  1276. rate[1] = DESC_RATEMCS17;
  1277. rate[2] = DESC_RATEMCS18;
  1278. rate[3] = DESC_RATEMCS19;
  1279. for (i = 0; i < 4; ++i)
  1280. pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
  1281. *rate_num = 4;
  1282. break;
  1283. case 0xCDC:
  1284. case 0xEDC:
  1285. case 0x18DC:
  1286. case 0x1ADC:
  1287. rate[0] = DESC_RATEMCS20;
  1288. rate[1] = DESC_RATEMCS21;
  1289. rate[2] = DESC_RATEMCS22;
  1290. rate[3] = DESC_RATEMCS23;
  1291. for (i = 0; i < 4; ++i)
  1292. pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
  1293. *rate_num = 4;
  1294. break;
  1295. case 0xCE0:
  1296. case 0xEE0:
  1297. case 0x18E0:
  1298. case 0x1AE0:
  1299. rate[0] = DESC_RATEVHT3SS_MCS0;
  1300. rate[1] = DESC_RATEVHT3SS_MCS1;
  1301. rate[2] = DESC_RATEVHT3SS_MCS2;
  1302. rate[3] = DESC_RATEVHT3SS_MCS3;
  1303. for (i = 0; i < 4; ++i)
  1304. pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
  1305. *rate_num = 4;
  1306. break;
  1307. case 0xCE4:
  1308. case 0xEE4:
  1309. case 0x18E4:
  1310. case 0x1AE4:
  1311. rate[0] = DESC_RATEVHT3SS_MCS4;
  1312. rate[1] = DESC_RATEVHT3SS_MCS5;
  1313. rate[2] = DESC_RATEVHT3SS_MCS6;
  1314. rate[3] = DESC_RATEVHT3SS_MCS7;
  1315. for (i = 0; i < 4; ++i)
  1316. pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
  1317. *rate_num = 4;
  1318. break;
  1319. case 0xCE8:
  1320. case 0xEE8:
  1321. case 0x18E8:
  1322. case 0x1AE8:
  1323. rate[0] = DESC_RATEVHT3SS_MCS8;
  1324. rate[1] = DESC_RATEVHT3SS_MCS9;
  1325. for (i = 0; i < 2; ++i)
  1326. pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
  1327. *rate_num = 2;
  1328. break;
  1329. default:
  1330. rtw_warn(rtwdev, "invalid tx power index addr 0x%08x\n", addr);
  1331. break;
  1332. }
  1333. }
  1334. static void rtw_phy_store_tx_power_by_rate(struct rtw_dev *rtwdev,
  1335. u32 band, u32 rfpath, u32 txnum,
  1336. u32 regaddr, u32 bitmask, u32 data)
  1337. {
  1338. struct rtw_hal *hal = &rtwdev->hal;
  1339. u8 rate_num = 0;
  1340. u8 rate;
  1341. u8 rates[RTW_RF_PATH_MAX] = {0};
  1342. s8 offset;
  1343. s8 pwr_by_rate[RTW_RF_PATH_MAX] = {0};
  1344. int i;
  1345. rtw_phy_get_rate_values_of_txpwr_by_rate(rtwdev, regaddr, bitmask, data,
  1346. rates, pwr_by_rate, &rate_num);
  1347. if (WARN_ON(rfpath >= RTW_RF_PATH_MAX ||
  1348. (band != PHY_BAND_2G && band != PHY_BAND_5G) ||
  1349. rate_num > RTW_RF_PATH_MAX))
  1350. return;
  1351. for (i = 0; i < rate_num; i++) {
  1352. offset = pwr_by_rate[i];
  1353. rate = rates[i];
  1354. if (band == PHY_BAND_2G)
  1355. hal->tx_pwr_by_rate_offset_2g[rfpath][rate] = offset;
  1356. else
  1357. hal->tx_pwr_by_rate_offset_5g[rfpath][rate] = offset;
  1358. }
  1359. }
  1360. void rtw_parse_tbl_bb_pg(struct rtw_dev *rtwdev, const struct rtw_table *tbl)
  1361. {
  1362. const struct rtw_phy_pg_cfg_pair *p = tbl->data;
  1363. const struct rtw_phy_pg_cfg_pair *end = p + tbl->size;
  1364. for (; p < end; p++) {
  1365. if (p->addr == 0xfe || p->addr == 0xffe) {
  1366. msleep(50);
  1367. continue;
  1368. }
  1369. rtw_phy_store_tx_power_by_rate(rtwdev, p->band, p->rf_path,
  1370. p->tx_num, p->addr, p->bitmask,
  1371. p->data);
  1372. }
  1373. }
  1374. EXPORT_SYMBOL(rtw_parse_tbl_bb_pg);
  1375. static const u8 rtw_channel_idx_5g[RTW_MAX_CHANNEL_NUM_5G] = {
  1376. 36, 38, 40, 42, 44, 46, 48, /* Band 1 */
  1377. 52, 54, 56, 58, 60, 62, 64, /* Band 2 */
  1378. 100, 102, 104, 106, 108, 110, 112, /* Band 3 */
  1379. 116, 118, 120, 122, 124, 126, 128, /* Band 3 */
  1380. 132, 134, 136, 138, 140, 142, 144, /* Band 3 */
  1381. 149, 151, 153, 155, 157, 159, 161, /* Band 4 */
  1382. 165, 167, 169, 171, 173, 175, 177}; /* Band 4 */
  1383. static int rtw_channel_to_idx(u8 band, u8 channel)
  1384. {
  1385. int ch_idx;
  1386. u8 n_channel;
  1387. if (band == PHY_BAND_2G) {
  1388. ch_idx = channel - 1;
  1389. n_channel = RTW_MAX_CHANNEL_NUM_2G;
  1390. } else if (band == PHY_BAND_5G) {
  1391. n_channel = RTW_MAX_CHANNEL_NUM_5G;
  1392. for (ch_idx = 0; ch_idx < n_channel; ch_idx++)
  1393. if (rtw_channel_idx_5g[ch_idx] == channel)
  1394. break;
  1395. } else {
  1396. return -1;
  1397. }
  1398. if (ch_idx >= n_channel)
  1399. return -1;
  1400. return ch_idx;
  1401. }
  1402. static void rtw_phy_set_tx_power_limit(struct rtw_dev *rtwdev, u8 regd, u8 band,
  1403. u8 bw, u8 rs, u8 ch, s8 pwr_limit)
  1404. {
  1405. struct rtw_hal *hal = &rtwdev->hal;
  1406. u8 max_power_index = rtwdev->chip->max_power_index;
  1407. s8 ww;
  1408. int ch_idx;
  1409. pwr_limit = clamp_t(s8, pwr_limit,
  1410. -max_power_index, max_power_index);
  1411. ch_idx = rtw_channel_to_idx(band, ch);
  1412. if (regd >= RTW_REGD_MAX || bw >= RTW_CHANNEL_WIDTH_MAX ||
  1413. rs >= RTW_RATE_SECTION_NUM || ch_idx < 0) {
  1414. WARN(1,
  1415. "wrong txpwr_lmt regd=%u, band=%u bw=%u, rs=%u, ch_idx=%u, pwr_limit=%d\n",
  1416. regd, band, bw, rs, ch_idx, pwr_limit);
  1417. return;
  1418. }
  1419. if (band == PHY_BAND_2G) {
  1420. hal->tx_pwr_limit_2g[regd][bw][rs][ch_idx] = pwr_limit;
  1421. ww = hal->tx_pwr_limit_2g[RTW_REGD_WW][bw][rs][ch_idx];
  1422. ww = min_t(s8, ww, pwr_limit);
  1423. hal->tx_pwr_limit_2g[RTW_REGD_WW][bw][rs][ch_idx] = ww;
  1424. } else if (band == PHY_BAND_5G) {
  1425. hal->tx_pwr_limit_5g[regd][bw][rs][ch_idx] = pwr_limit;
  1426. ww = hal->tx_pwr_limit_5g[RTW_REGD_WW][bw][rs][ch_idx];
  1427. ww = min_t(s8, ww, pwr_limit);
  1428. hal->tx_pwr_limit_5g[RTW_REGD_WW][bw][rs][ch_idx] = ww;
  1429. }
  1430. }
  1431. /* cross-reference 5G power limits if values are not assigned */
  1432. static void
  1433. rtw_xref_5g_txpwr_lmt(struct rtw_dev *rtwdev, u8 regd,
  1434. u8 bw, u8 ch_idx, u8 rs_ht, u8 rs_vht)
  1435. {
  1436. struct rtw_hal *hal = &rtwdev->hal;
  1437. u8 max_power_index = rtwdev->chip->max_power_index;
  1438. s8 lmt_ht = hal->tx_pwr_limit_5g[regd][bw][rs_ht][ch_idx];
  1439. s8 lmt_vht = hal->tx_pwr_limit_5g[regd][bw][rs_vht][ch_idx];
  1440. if (lmt_ht == lmt_vht)
  1441. return;
  1442. if (lmt_ht == max_power_index)
  1443. hal->tx_pwr_limit_5g[regd][bw][rs_ht][ch_idx] = lmt_vht;
  1444. else if (lmt_vht == max_power_index)
  1445. hal->tx_pwr_limit_5g[regd][bw][rs_vht][ch_idx] = lmt_ht;
  1446. }
  1447. /* cross-reference power limits for ht and vht */
  1448. static void
  1449. rtw_xref_txpwr_lmt_by_rs(struct rtw_dev *rtwdev, u8 regd, u8 bw, u8 ch_idx)
  1450. {
  1451. static const u8 rs_cmp[4][2] = {
  1452. {RTW_RATE_SECTION_HT_1S, RTW_RATE_SECTION_VHT_1S},
  1453. {RTW_RATE_SECTION_HT_2S, RTW_RATE_SECTION_VHT_2S},
  1454. {RTW_RATE_SECTION_HT_3S, RTW_RATE_SECTION_VHT_3S},
  1455. {RTW_RATE_SECTION_HT_4S, RTW_RATE_SECTION_VHT_4S}
  1456. };
  1457. u8 rs_idx, rs_ht, rs_vht;
  1458. for (rs_idx = 0; rs_idx < 4; rs_idx++) {
  1459. rs_ht = rs_cmp[rs_idx][0];
  1460. rs_vht = rs_cmp[rs_idx][1];
  1461. rtw_xref_5g_txpwr_lmt(rtwdev, regd, bw, ch_idx, rs_ht, rs_vht);
  1462. }
  1463. }
  1464. /* cross-reference power limits for 5G channels */
  1465. static void
  1466. rtw_xref_5g_txpwr_lmt_by_ch(struct rtw_dev *rtwdev, u8 regd, u8 bw)
  1467. {
  1468. u8 ch_idx;
  1469. for (ch_idx = 0; ch_idx < RTW_MAX_CHANNEL_NUM_5G; ch_idx++)
  1470. rtw_xref_txpwr_lmt_by_rs(rtwdev, regd, bw, ch_idx);
  1471. }
  1472. /* cross-reference power limits for 20/40M bandwidth */
  1473. static void
  1474. rtw_xref_txpwr_lmt_by_bw(struct rtw_dev *rtwdev, u8 regd)
  1475. {
  1476. u8 bw;
  1477. for (bw = RTW_CHANNEL_WIDTH_20; bw <= RTW_CHANNEL_WIDTH_40; bw++)
  1478. rtw_xref_5g_txpwr_lmt_by_ch(rtwdev, regd, bw);
  1479. }
  1480. /* cross-reference power limits */
  1481. static void rtw_xref_txpwr_lmt(struct rtw_dev *rtwdev)
  1482. {
  1483. u8 regd;
  1484. for (regd = 0; regd < RTW_REGD_MAX; regd++)
  1485. rtw_xref_txpwr_lmt_by_bw(rtwdev, regd);
  1486. }
  1487. static void
  1488. __cfg_txpwr_lmt_by_alt(struct rtw_hal *hal, u8 regd, u8 regd_alt, u8 bw, u8 rs)
  1489. {
  1490. u8 ch;
  1491. for (ch = 0; ch < RTW_MAX_CHANNEL_NUM_2G; ch++)
  1492. hal->tx_pwr_limit_2g[regd][bw][rs][ch] =
  1493. hal->tx_pwr_limit_2g[regd_alt][bw][rs][ch];
  1494. for (ch = 0; ch < RTW_MAX_CHANNEL_NUM_5G; ch++)
  1495. hal->tx_pwr_limit_5g[regd][bw][rs][ch] =
  1496. hal->tx_pwr_limit_5g[regd_alt][bw][rs][ch];
  1497. }
  1498. static void
  1499. rtw_cfg_txpwr_lmt_by_alt(struct rtw_dev *rtwdev, u8 regd, u8 regd_alt)
  1500. {
  1501. u8 bw, rs;
  1502. for (bw = 0; bw < RTW_CHANNEL_WIDTH_MAX; bw++)
  1503. for (rs = 0; rs < RTW_RATE_SECTION_NUM; rs++)
  1504. __cfg_txpwr_lmt_by_alt(&rtwdev->hal, regd, regd_alt,
  1505. bw, rs);
  1506. }
  1507. void rtw_parse_tbl_txpwr_lmt(struct rtw_dev *rtwdev,
  1508. const struct rtw_table *tbl)
  1509. {
  1510. const struct rtw_txpwr_lmt_cfg_pair *p = tbl->data;
  1511. const struct rtw_txpwr_lmt_cfg_pair *end = p + tbl->size;
  1512. u32 regd_cfg_flag = 0;
  1513. u8 regd_alt;
  1514. u8 i;
  1515. for (; p < end; p++) {
  1516. regd_cfg_flag |= BIT(p->regd);
  1517. rtw_phy_set_tx_power_limit(rtwdev, p->regd, p->band,
  1518. p->bw, p->rs, p->ch, p->txpwr_lmt);
  1519. }
  1520. for (i = 0; i < RTW_REGD_MAX; i++) {
  1521. if (i == RTW_REGD_WW)
  1522. continue;
  1523. if (regd_cfg_flag & BIT(i))
  1524. continue;
  1525. rtw_dbg(rtwdev, RTW_DBG_REGD,
  1526. "txpwr regd %d does not be configured\n", i);
  1527. if (rtw_regd_has_alt(i, &regd_alt) &&
  1528. regd_cfg_flag & BIT(regd_alt)) {
  1529. rtw_dbg(rtwdev, RTW_DBG_REGD,
  1530. "cfg txpwr regd %d by regd %d as alternative\n",
  1531. i, regd_alt);
  1532. rtw_cfg_txpwr_lmt_by_alt(rtwdev, i, regd_alt);
  1533. continue;
  1534. }
  1535. rtw_dbg(rtwdev, RTW_DBG_REGD, "cfg txpwr regd %d by WW\n", i);
  1536. rtw_cfg_txpwr_lmt_by_alt(rtwdev, i, RTW_REGD_WW);
  1537. }
  1538. rtw_xref_txpwr_lmt(rtwdev);
  1539. }
  1540. EXPORT_SYMBOL(rtw_parse_tbl_txpwr_lmt);
  1541. void rtw_phy_cfg_mac(struct rtw_dev *rtwdev, const struct rtw_table *tbl,
  1542. u32 addr, u32 data)
  1543. {
  1544. rtw_write8(rtwdev, addr, data);
  1545. }
  1546. EXPORT_SYMBOL(rtw_phy_cfg_mac);
  1547. void rtw_phy_cfg_agc(struct rtw_dev *rtwdev, const struct rtw_table *tbl,
  1548. u32 addr, u32 data)
  1549. {
  1550. rtw_write32(rtwdev, addr, data);
  1551. }
  1552. EXPORT_SYMBOL(rtw_phy_cfg_agc);
  1553. void rtw_phy_cfg_bb(struct rtw_dev *rtwdev, const struct rtw_table *tbl,
  1554. u32 addr, u32 data)
  1555. {
  1556. if (addr == 0xfe)
  1557. msleep(50);
  1558. else if (addr == 0xfd)
  1559. mdelay(5);
  1560. else if (addr == 0xfc)
  1561. mdelay(1);
  1562. else if (addr == 0xfb)
  1563. usleep_range(50, 60);
  1564. else if (addr == 0xfa)
  1565. udelay(5);
  1566. else if (addr == 0xf9)
  1567. udelay(1);
  1568. else
  1569. rtw_write32(rtwdev, addr, data);
  1570. }
  1571. EXPORT_SYMBOL(rtw_phy_cfg_bb);
  1572. void rtw_phy_cfg_rf(struct rtw_dev *rtwdev, const struct rtw_table *tbl,
  1573. u32 addr, u32 data)
  1574. {
  1575. if (addr == 0xffe) {
  1576. msleep(50);
  1577. } else if (addr == 0xfe) {
  1578. usleep_range(100, 110);
  1579. } else {
  1580. rtw_write_rf(rtwdev, tbl->rf_path, addr, RFREG_MASK, data);
  1581. udelay(1);
  1582. }
  1583. }
  1584. EXPORT_SYMBOL(rtw_phy_cfg_rf);
  1585. static void rtw_load_rfk_table(struct rtw_dev *rtwdev)
  1586. {
  1587. const struct rtw_chip_info *chip = rtwdev->chip;
  1588. struct rtw_dpk_info *dpk_info = &rtwdev->dm_info.dpk_info;
  1589. if (!chip->rfk_init_tbl)
  1590. return;
  1591. rtw_write32_mask(rtwdev, 0x1e24, BIT(17), 0x1);
  1592. rtw_write32_mask(rtwdev, 0x1cd0, BIT(28), 0x1);
  1593. rtw_write32_mask(rtwdev, 0x1cd0, BIT(29), 0x1);
  1594. rtw_write32_mask(rtwdev, 0x1cd0, BIT(30), 0x1);
  1595. rtw_write32_mask(rtwdev, 0x1cd0, BIT(31), 0x0);
  1596. rtw_load_table(rtwdev, chip->rfk_init_tbl);
  1597. dpk_info->is_dpk_pwr_on = true;
  1598. }
  1599. void rtw_phy_load_tables(struct rtw_dev *rtwdev)
  1600. {
  1601. const struct rtw_rfe_def *rfe_def = rtw_get_rfe_def(rtwdev);
  1602. const struct rtw_chip_info *chip = rtwdev->chip;
  1603. u8 rf_path;
  1604. rtw_load_table(rtwdev, chip->mac_tbl);
  1605. rtw_load_table(rtwdev, chip->bb_tbl);
  1606. rtw_load_table(rtwdev, chip->agc_tbl);
  1607. if (rfe_def->agc_btg_tbl)
  1608. rtw_load_table(rtwdev, rfe_def->agc_btg_tbl);
  1609. rtw_load_rfk_table(rtwdev);
  1610. for (rf_path = 0; rf_path < rtwdev->hal.rf_path_num; rf_path++) {
  1611. const struct rtw_table *tbl;
  1612. tbl = chip->rf_tbl[rf_path];
  1613. rtw_load_table(rtwdev, tbl);
  1614. }
  1615. }
  1616. EXPORT_SYMBOL(rtw_phy_load_tables);
  1617. static u8 rtw_get_channel_group(u8 channel, u8 rate)
  1618. {
  1619. switch (channel) {
  1620. default:
  1621. WARN_ON(1);
  1622. fallthrough;
  1623. case 1:
  1624. case 2:
  1625. case 36:
  1626. case 38:
  1627. case 40:
  1628. case 42:
  1629. return 0;
  1630. case 3:
  1631. case 4:
  1632. case 5:
  1633. case 44:
  1634. case 46:
  1635. case 48:
  1636. case 50:
  1637. return 1;
  1638. case 6:
  1639. case 7:
  1640. case 8:
  1641. case 52:
  1642. case 54:
  1643. case 56:
  1644. case 58:
  1645. return 2;
  1646. case 9:
  1647. case 10:
  1648. case 11:
  1649. case 60:
  1650. case 62:
  1651. case 64:
  1652. return 3;
  1653. case 12:
  1654. case 13:
  1655. case 100:
  1656. case 102:
  1657. case 104:
  1658. case 106:
  1659. return 4;
  1660. case 14:
  1661. return rate <= DESC_RATE11M ? 5 : 4;
  1662. case 108:
  1663. case 110:
  1664. case 112:
  1665. case 114:
  1666. return 5;
  1667. case 116:
  1668. case 118:
  1669. case 120:
  1670. case 122:
  1671. return 6;
  1672. case 124:
  1673. case 126:
  1674. case 128:
  1675. case 130:
  1676. return 7;
  1677. case 132:
  1678. case 134:
  1679. case 136:
  1680. case 138:
  1681. return 8;
  1682. case 140:
  1683. case 142:
  1684. case 144:
  1685. return 9;
  1686. case 149:
  1687. case 151:
  1688. case 153:
  1689. case 155:
  1690. return 10;
  1691. case 157:
  1692. case 159:
  1693. case 161:
  1694. return 11;
  1695. case 165:
  1696. case 167:
  1697. case 169:
  1698. case 171:
  1699. return 12;
  1700. case 173:
  1701. case 175:
  1702. case 177:
  1703. return 13;
  1704. }
  1705. }
  1706. static s8 rtw_phy_get_dis_dpd_by_rate_diff(struct rtw_dev *rtwdev, u16 rate)
  1707. {
  1708. const struct rtw_chip_info *chip = rtwdev->chip;
  1709. s8 dpd_diff = 0;
  1710. if (!chip->en_dis_dpd)
  1711. return 0;
  1712. #define RTW_DPD_RATE_CHECK(_rate) \
  1713. case DESC_RATE ## _rate: \
  1714. if (DIS_DPD_RATE ## _rate & chip->dpd_ratemask) \
  1715. dpd_diff = -6 * chip->txgi_factor; \
  1716. break
  1717. switch (rate) {
  1718. RTW_DPD_RATE_CHECK(6M);
  1719. RTW_DPD_RATE_CHECK(9M);
  1720. RTW_DPD_RATE_CHECK(MCS0);
  1721. RTW_DPD_RATE_CHECK(MCS1);
  1722. RTW_DPD_RATE_CHECK(MCS8);
  1723. RTW_DPD_RATE_CHECK(MCS9);
  1724. RTW_DPD_RATE_CHECK(VHT1SS_MCS0);
  1725. RTW_DPD_RATE_CHECK(VHT1SS_MCS1);
  1726. RTW_DPD_RATE_CHECK(VHT2SS_MCS0);
  1727. RTW_DPD_RATE_CHECK(VHT2SS_MCS1);
  1728. }
  1729. #undef RTW_DPD_RATE_CHECK
  1730. return dpd_diff;
  1731. }
  1732. static u8 rtw_phy_get_2g_tx_power_index(struct rtw_dev *rtwdev,
  1733. struct rtw_2g_txpwr_idx *pwr_idx_2g,
  1734. enum rtw_bandwidth bandwidth,
  1735. u8 rate, u8 group)
  1736. {
  1737. const struct rtw_chip_info *chip = rtwdev->chip;
  1738. bool above_2ss, above_3ss, above_4ss;
  1739. u8 factor = chip->txgi_factor;
  1740. bool mcs_rate;
  1741. u8 tx_power;
  1742. if (rate <= DESC_RATE11M)
  1743. tx_power = pwr_idx_2g->cck_base[group];
  1744. else
  1745. tx_power = pwr_idx_2g->bw40_base[group];
  1746. if (rate >= DESC_RATE6M && rate <= DESC_RATE54M)
  1747. tx_power += pwr_idx_2g->ht_1s_diff.ofdm * factor;
  1748. mcs_rate = (rate >= DESC_RATEMCS0 && rate <= DESC_RATEMCS31) ||
  1749. (rate >= DESC_RATEVHT1SS_MCS0 &&
  1750. rate <= DESC_RATEVHT4SS_MCS9);
  1751. above_2ss = (rate >= DESC_RATEMCS8 && rate <= DESC_RATEMCS31) ||
  1752. (rate >= DESC_RATEVHT2SS_MCS0);
  1753. above_3ss = (rate >= DESC_RATEMCS16 && rate <= DESC_RATEMCS31) ||
  1754. (rate >= DESC_RATEVHT3SS_MCS0);
  1755. above_4ss = (rate >= DESC_RATEMCS24 && rate <= DESC_RATEMCS31) ||
  1756. (rate >= DESC_RATEVHT4SS_MCS0);
  1757. if (!mcs_rate)
  1758. return tx_power;
  1759. switch (bandwidth) {
  1760. default:
  1761. WARN_ON(1);
  1762. fallthrough;
  1763. case RTW_CHANNEL_WIDTH_20:
  1764. tx_power += pwr_idx_2g->ht_1s_diff.bw20 * factor;
  1765. if (above_2ss)
  1766. tx_power += pwr_idx_2g->ht_2s_diff.bw20 * factor;
  1767. if (above_3ss)
  1768. tx_power += pwr_idx_2g->ht_3s_diff.bw20 * factor;
  1769. if (above_4ss)
  1770. tx_power += pwr_idx_2g->ht_4s_diff.bw20 * factor;
  1771. break;
  1772. case RTW_CHANNEL_WIDTH_40:
  1773. /* bw40 is the base power */
  1774. if (above_2ss)
  1775. tx_power += pwr_idx_2g->ht_2s_diff.bw40 * factor;
  1776. if (above_3ss)
  1777. tx_power += pwr_idx_2g->ht_3s_diff.bw40 * factor;
  1778. if (above_4ss)
  1779. tx_power += pwr_idx_2g->ht_4s_diff.bw40 * factor;
  1780. break;
  1781. }
  1782. return tx_power;
  1783. }
  1784. static u8 rtw_phy_get_5g_tx_power_index(struct rtw_dev *rtwdev,
  1785. struct rtw_5g_txpwr_idx *pwr_idx_5g,
  1786. enum rtw_bandwidth bandwidth,
  1787. u8 rate, u8 group)
  1788. {
  1789. const struct rtw_chip_info *chip = rtwdev->chip;
  1790. bool above_2ss, above_3ss, above_4ss;
  1791. u8 factor = chip->txgi_factor;
  1792. u8 upper, lower;
  1793. bool mcs_rate;
  1794. u8 tx_power;
  1795. tx_power = pwr_idx_5g->bw40_base[group];
  1796. mcs_rate = (rate >= DESC_RATEMCS0 && rate <= DESC_RATEMCS31) ||
  1797. (rate >= DESC_RATEVHT1SS_MCS0 &&
  1798. rate <= DESC_RATEVHT4SS_MCS9);
  1799. above_2ss = (rate >= DESC_RATEMCS8 && rate <= DESC_RATEMCS31) ||
  1800. (rate >= DESC_RATEVHT2SS_MCS0);
  1801. above_3ss = (rate >= DESC_RATEMCS16 && rate <= DESC_RATEMCS31) ||
  1802. (rate >= DESC_RATEVHT3SS_MCS0);
  1803. above_4ss = (rate >= DESC_RATEMCS24 && rate <= DESC_RATEMCS31) ||
  1804. (rate >= DESC_RATEVHT4SS_MCS0);
  1805. if (!mcs_rate) {
  1806. tx_power += pwr_idx_5g->ht_1s_diff.ofdm * factor;
  1807. return tx_power;
  1808. }
  1809. switch (bandwidth) {
  1810. default:
  1811. WARN_ON(1);
  1812. fallthrough;
  1813. case RTW_CHANNEL_WIDTH_20:
  1814. tx_power += pwr_idx_5g->ht_1s_diff.bw20 * factor;
  1815. if (above_2ss)
  1816. tx_power += pwr_idx_5g->ht_2s_diff.bw20 * factor;
  1817. if (above_3ss)
  1818. tx_power += pwr_idx_5g->ht_3s_diff.bw20 * factor;
  1819. if (above_4ss)
  1820. tx_power += pwr_idx_5g->ht_4s_diff.bw20 * factor;
  1821. break;
  1822. case RTW_CHANNEL_WIDTH_40:
  1823. /* bw40 is the base power */
  1824. if (above_2ss)
  1825. tx_power += pwr_idx_5g->ht_2s_diff.bw40 * factor;
  1826. if (above_3ss)
  1827. tx_power += pwr_idx_5g->ht_3s_diff.bw40 * factor;
  1828. if (above_4ss)
  1829. tx_power += pwr_idx_5g->ht_4s_diff.bw40 * factor;
  1830. break;
  1831. case RTW_CHANNEL_WIDTH_80:
  1832. /* the base idx of bw80 is the average of bw40+/bw40- */
  1833. lower = pwr_idx_5g->bw40_base[group];
  1834. upper = pwr_idx_5g->bw40_base[group + 1];
  1835. tx_power = (lower + upper) / 2;
  1836. tx_power += pwr_idx_5g->vht_1s_diff.bw80 * factor;
  1837. if (above_2ss)
  1838. tx_power += pwr_idx_5g->vht_2s_diff.bw80 * factor;
  1839. if (above_3ss)
  1840. tx_power += pwr_idx_5g->vht_3s_diff.bw80 * factor;
  1841. if (above_4ss)
  1842. tx_power += pwr_idx_5g->vht_4s_diff.bw80 * factor;
  1843. break;
  1844. }
  1845. return tx_power;
  1846. }
  1847. /* return RTW_RATE_SECTION_NUM to indicate rate is invalid */
  1848. static u8 rtw_phy_rate_to_rate_section(u8 rate)
  1849. {
  1850. if (rate >= DESC_RATE1M && rate <= DESC_RATE11M)
  1851. return RTW_RATE_SECTION_CCK;
  1852. else if (rate >= DESC_RATE6M && rate <= DESC_RATE54M)
  1853. return RTW_RATE_SECTION_OFDM;
  1854. else if (rate >= DESC_RATEMCS0 && rate <= DESC_RATEMCS7)
  1855. return RTW_RATE_SECTION_HT_1S;
  1856. else if (rate >= DESC_RATEMCS8 && rate <= DESC_RATEMCS15)
  1857. return RTW_RATE_SECTION_HT_2S;
  1858. else if (rate >= DESC_RATEMCS16 && rate <= DESC_RATEMCS23)
  1859. return RTW_RATE_SECTION_HT_3S;
  1860. else if (rate >= DESC_RATEMCS24 && rate <= DESC_RATEMCS31)
  1861. return RTW_RATE_SECTION_HT_4S;
  1862. else if (rate >= DESC_RATEVHT1SS_MCS0 && rate <= DESC_RATEVHT1SS_MCS9)
  1863. return RTW_RATE_SECTION_VHT_1S;
  1864. else if (rate >= DESC_RATEVHT2SS_MCS0 && rate <= DESC_RATEVHT2SS_MCS9)
  1865. return RTW_RATE_SECTION_VHT_2S;
  1866. else if (rate >= DESC_RATEVHT3SS_MCS0 && rate <= DESC_RATEVHT3SS_MCS9)
  1867. return RTW_RATE_SECTION_VHT_3S;
  1868. else if (rate >= DESC_RATEVHT4SS_MCS0 && rate <= DESC_RATEVHT4SS_MCS9)
  1869. return RTW_RATE_SECTION_VHT_4S;
  1870. else
  1871. return RTW_RATE_SECTION_NUM;
  1872. }
  1873. static s8 rtw_phy_get_tx_power_limit(struct rtw_dev *rtwdev, u8 band,
  1874. enum rtw_bandwidth bw, u8 rf_path,
  1875. u8 rate, u8 channel, u8 regd)
  1876. {
  1877. struct rtw_hal *hal = &rtwdev->hal;
  1878. u8 *cch_by_bw = hal->cch_by_bw;
  1879. s8 power_limit = (s8)rtwdev->chip->max_power_index;
  1880. u8 rs = rtw_phy_rate_to_rate_section(rate);
  1881. int ch_idx;
  1882. u8 cur_bw, cur_ch;
  1883. s8 cur_lmt;
  1884. if (regd > RTW_REGD_WW)
  1885. return power_limit;
  1886. if (rs == RTW_RATE_SECTION_NUM)
  1887. goto err;
  1888. /* only 20M BW with cck and ofdm */
  1889. if (rs == RTW_RATE_SECTION_CCK || rs == RTW_RATE_SECTION_OFDM)
  1890. bw = RTW_CHANNEL_WIDTH_20;
  1891. /* only 20/40M BW with ht */
  1892. if (rate >= DESC_RATEMCS0 && rate <= DESC_RATEMCS31)
  1893. bw = min_t(u8, bw, RTW_CHANNEL_WIDTH_40);
  1894. /* select min power limit among [20M BW ~ current BW] */
  1895. for (cur_bw = RTW_CHANNEL_WIDTH_20; cur_bw <= bw; cur_bw++) {
  1896. cur_ch = cch_by_bw[cur_bw];
  1897. ch_idx = rtw_channel_to_idx(band, cur_ch);
  1898. if (ch_idx < 0)
  1899. goto err;
  1900. cur_lmt = cur_ch <= RTW_MAX_CHANNEL_NUM_2G ?
  1901. hal->tx_pwr_limit_2g[regd][cur_bw][rs][ch_idx] :
  1902. hal->tx_pwr_limit_5g[regd][cur_bw][rs][ch_idx];
  1903. power_limit = min_t(s8, cur_lmt, power_limit);
  1904. }
  1905. return power_limit;
  1906. err:
  1907. WARN(1, "invalid arguments, band=%d, bw=%d, path=%d, rate=%d, ch=%d\n",
  1908. band, bw, rf_path, rate, channel);
  1909. return (s8)rtwdev->chip->max_power_index;
  1910. }
  1911. static s8 rtw_phy_get_tx_power_sar(struct rtw_dev *rtwdev, u8 sar_band,
  1912. u8 rf_path, u8 rate)
  1913. {
  1914. u8 rs = rtw_phy_rate_to_rate_section(rate);
  1915. struct rtw_sar_arg arg = {
  1916. .sar_band = sar_band,
  1917. .path = rf_path,
  1918. .rs = rs,
  1919. };
  1920. if (rs == RTW_RATE_SECTION_NUM)
  1921. goto err;
  1922. return rtw_query_sar(rtwdev, &arg);
  1923. err:
  1924. WARN(1, "invalid arguments, sar_band=%d, path=%d, rate=%d\n",
  1925. sar_band, rf_path, rate);
  1926. return (s8)rtwdev->chip->max_power_index;
  1927. }
  1928. void rtw_get_tx_power_params(struct rtw_dev *rtwdev, u8 path, u8 rate, u8 bw,
  1929. u8 ch, u8 regd, struct rtw_power_params *pwr_param)
  1930. {
  1931. struct rtw_hal *hal = &rtwdev->hal;
  1932. struct rtw_dm_info *dm_info = &rtwdev->dm_info;
  1933. struct rtw_txpwr_idx *pwr_idx;
  1934. u8 group, band;
  1935. u8 *base = &pwr_param->pwr_base;
  1936. s8 *offset = &pwr_param->pwr_offset;
  1937. s8 *limit = &pwr_param->pwr_limit;
  1938. s8 *remnant = &pwr_param->pwr_remnant;
  1939. s8 *sar = &pwr_param->pwr_sar;
  1940. pwr_idx = &rtwdev->efuse.txpwr_idx_table[path];
  1941. group = rtw_get_channel_group(ch, rate);
  1942. /* base power index for 2.4G/5G */
  1943. if (IS_CH_2G_BAND(ch)) {
  1944. band = PHY_BAND_2G;
  1945. *base = rtw_phy_get_2g_tx_power_index(rtwdev,
  1946. &pwr_idx->pwr_idx_2g,
  1947. bw, rate, group);
  1948. *offset = hal->tx_pwr_by_rate_offset_2g[path][rate];
  1949. } else {
  1950. band = PHY_BAND_5G;
  1951. *base = rtw_phy_get_5g_tx_power_index(rtwdev,
  1952. &pwr_idx->pwr_idx_5g,
  1953. bw, rate, group);
  1954. *offset = hal->tx_pwr_by_rate_offset_5g[path][rate];
  1955. }
  1956. *limit = rtw_phy_get_tx_power_limit(rtwdev, band, bw, path,
  1957. rate, ch, regd);
  1958. *remnant = rate <= DESC_RATE11M ? dm_info->txagc_remnant_cck :
  1959. dm_info->txagc_remnant_ofdm[path];
  1960. *sar = rtw_phy_get_tx_power_sar(rtwdev, hal->sar_band, path, rate);
  1961. }
  1962. u8
  1963. rtw_phy_get_tx_power_index(struct rtw_dev *rtwdev, u8 rf_path, u8 rate,
  1964. enum rtw_bandwidth bandwidth, u8 channel, u8 regd)
  1965. {
  1966. struct rtw_power_params pwr_param = {0};
  1967. u8 tx_power;
  1968. s8 offset;
  1969. rtw_get_tx_power_params(rtwdev, rf_path, rate, bandwidth,
  1970. channel, regd, &pwr_param);
  1971. tx_power = pwr_param.pwr_base;
  1972. offset = min3(pwr_param.pwr_offset,
  1973. pwr_param.pwr_limit,
  1974. pwr_param.pwr_sar);
  1975. if (rtwdev->chip->en_dis_dpd)
  1976. offset += rtw_phy_get_dis_dpd_by_rate_diff(rtwdev, rate);
  1977. tx_power += offset + pwr_param.pwr_remnant;
  1978. if (tx_power > rtwdev->chip->max_power_index)
  1979. tx_power = rtwdev->chip->max_power_index;
  1980. return tx_power;
  1981. }
  1982. EXPORT_SYMBOL(rtw_phy_get_tx_power_index);
  1983. static void rtw_phy_set_tx_power_index_by_rs(struct rtw_dev *rtwdev,
  1984. u8 ch, u8 path, u8 rs)
  1985. {
  1986. struct rtw_hal *hal = &rtwdev->hal;
  1987. u8 regd = rtw_regd_get(rtwdev);
  1988. const u8 *rates;
  1989. u8 size;
  1990. u8 rate;
  1991. u8 pwr_idx;
  1992. u8 bw;
  1993. int i;
  1994. if (rs >= RTW_RATE_SECTION_NUM)
  1995. return;
  1996. rates = rtw_rate_section[rs];
  1997. size = rtw_rate_size[rs];
  1998. bw = hal->current_band_width;
  1999. for (i = 0; i < size; i++) {
  2000. rate = rates[i];
  2001. pwr_idx = rtw_phy_get_tx_power_index(rtwdev, path, rate,
  2002. bw, ch, regd);
  2003. hal->tx_pwr_tbl[path][rate] = pwr_idx;
  2004. }
  2005. }
  2006. /* set tx power level by path for each rates, note that the order of the rates
  2007. * are *very* important, bacause 8822B/8821C combines every four bytes of tx
  2008. * power index into a four-byte power index register, and calls set_tx_agc to
  2009. * write these values into hardware
  2010. */
  2011. static void rtw_phy_set_tx_power_level_by_path(struct rtw_dev *rtwdev,
  2012. u8 ch, u8 path)
  2013. {
  2014. struct rtw_hal *hal = &rtwdev->hal;
  2015. u8 rs;
  2016. /* do not need cck rates if we are not in 2.4G */
  2017. if (hal->current_band_type == RTW_BAND_2G)
  2018. rs = RTW_RATE_SECTION_CCK;
  2019. else
  2020. rs = RTW_RATE_SECTION_OFDM;
  2021. for (; rs < RTW_RATE_SECTION_NUM; rs++)
  2022. rtw_phy_set_tx_power_index_by_rs(rtwdev, ch, path, rs);
  2023. }
  2024. void rtw_phy_set_tx_power_level(struct rtw_dev *rtwdev, u8 channel)
  2025. {
  2026. const struct rtw_chip_info *chip = rtwdev->chip;
  2027. struct rtw_hal *hal = &rtwdev->hal;
  2028. u8 path;
  2029. mutex_lock(&hal->tx_power_mutex);
  2030. for (path = 0; path < hal->rf_path_num; path++)
  2031. rtw_phy_set_tx_power_level_by_path(rtwdev, channel, path);
  2032. chip->ops->set_tx_power_index(rtwdev);
  2033. mutex_unlock(&hal->tx_power_mutex);
  2034. }
  2035. EXPORT_SYMBOL(rtw_phy_set_tx_power_level);
  2036. static void
  2037. rtw_phy_tx_power_by_rate_config_by_path(struct rtw_hal *hal, u8 path,
  2038. u8 rs, u8 size, const u8 *rates)
  2039. {
  2040. u8 rate;
  2041. u8 base_idx, rate_idx;
  2042. s8 base_2g, base_5g;
  2043. if (size == 10) /* VHT rates */
  2044. base_idx = rates[size - 3];
  2045. else
  2046. base_idx = rates[size - 1];
  2047. base_2g = hal->tx_pwr_by_rate_offset_2g[path][base_idx];
  2048. base_5g = hal->tx_pwr_by_rate_offset_5g[path][base_idx];
  2049. hal->tx_pwr_by_rate_base_2g[path][rs] = base_2g;
  2050. hal->tx_pwr_by_rate_base_5g[path][rs] = base_5g;
  2051. for (rate = 0; rate < size; rate++) {
  2052. rate_idx = rates[rate];
  2053. hal->tx_pwr_by_rate_offset_2g[path][rate_idx] -= base_2g;
  2054. hal->tx_pwr_by_rate_offset_5g[path][rate_idx] -= base_5g;
  2055. }
  2056. }
  2057. void rtw_phy_tx_power_by_rate_config(struct rtw_hal *hal)
  2058. {
  2059. u8 path, rs;
  2060. for (path = 0; path < RTW_RF_PATH_MAX; path++)
  2061. for (rs = 0; rs < RTW_RATE_SECTION_NUM; rs++)
  2062. rtw_phy_tx_power_by_rate_config_by_path(hal, path, rs,
  2063. rtw_rate_size[rs], rtw_rate_section[rs]);
  2064. }
  2065. static void
  2066. __rtw_phy_tx_power_limit_config(struct rtw_hal *hal, u8 regd, u8 bw, u8 rs)
  2067. {
  2068. s8 base;
  2069. u8 ch;
  2070. for (ch = 0; ch < RTW_MAX_CHANNEL_NUM_2G; ch++) {
  2071. base = hal->tx_pwr_by_rate_base_2g[0][rs];
  2072. hal->tx_pwr_limit_2g[regd][bw][rs][ch] -= base;
  2073. }
  2074. for (ch = 0; ch < RTW_MAX_CHANNEL_NUM_5G; ch++) {
  2075. base = hal->tx_pwr_by_rate_base_5g[0][rs];
  2076. hal->tx_pwr_limit_5g[regd][bw][rs][ch] -= base;
  2077. }
  2078. }
  2079. void rtw_phy_tx_power_limit_config(struct rtw_hal *hal)
  2080. {
  2081. u8 regd, bw, rs;
  2082. /* default at channel 1 */
  2083. hal->cch_by_bw[RTW_CHANNEL_WIDTH_20] = 1;
  2084. for (regd = 0; regd < RTW_REGD_MAX; regd++)
  2085. for (bw = 0; bw < RTW_CHANNEL_WIDTH_MAX; bw++)
  2086. for (rs = 0; rs < RTW_RATE_SECTION_NUM; rs++)
  2087. __rtw_phy_tx_power_limit_config(hal, regd, bw, rs);
  2088. }
  2089. static void rtw_phy_init_tx_power_limit(struct rtw_dev *rtwdev,
  2090. u8 regd, u8 bw, u8 rs)
  2091. {
  2092. struct rtw_hal *hal = &rtwdev->hal;
  2093. s8 max_power_index = (s8)rtwdev->chip->max_power_index;
  2094. u8 ch;
  2095. /* 2.4G channels */
  2096. for (ch = 0; ch < RTW_MAX_CHANNEL_NUM_2G; ch++)
  2097. hal->tx_pwr_limit_2g[regd][bw][rs][ch] = max_power_index;
  2098. /* 5G channels */
  2099. for (ch = 0; ch < RTW_MAX_CHANNEL_NUM_5G; ch++)
  2100. hal->tx_pwr_limit_5g[regd][bw][rs][ch] = max_power_index;
  2101. }
  2102. void rtw_phy_init_tx_power(struct rtw_dev *rtwdev)
  2103. {
  2104. struct rtw_hal *hal = &rtwdev->hal;
  2105. u8 regd, path, rate, rs, bw;
  2106. /* init tx power by rate offset */
  2107. for (path = 0; path < RTW_RF_PATH_MAX; path++) {
  2108. for (rate = 0; rate < DESC_RATE_MAX; rate++) {
  2109. hal->tx_pwr_by_rate_offset_2g[path][rate] = 0;
  2110. hal->tx_pwr_by_rate_offset_5g[path][rate] = 0;
  2111. }
  2112. }
  2113. /* init tx power limit */
  2114. for (regd = 0; regd < RTW_REGD_MAX; regd++)
  2115. for (bw = 0; bw < RTW_CHANNEL_WIDTH_MAX; bw++)
  2116. for (rs = 0; rs < RTW_RATE_SECTION_NUM; rs++)
  2117. rtw_phy_init_tx_power_limit(rtwdev, regd, bw,
  2118. rs);
  2119. }
  2120. void rtw_phy_config_swing_table(struct rtw_dev *rtwdev,
  2121. struct rtw_swing_table *swing_table)
  2122. {
  2123. const struct rtw_rfe_def *rfe_def = rtw_get_rfe_def(rtwdev);
  2124. const struct rtw_pwr_track_tbl *tbl = rfe_def->pwr_track_tbl;
  2125. u8 channel = rtwdev->hal.current_channel;
  2126. if (IS_CH_2G_BAND(channel)) {
  2127. if (rtwdev->dm_info.tx_rate <= DESC_RATE11M) {
  2128. swing_table->p[RF_PATH_A] = tbl->pwrtrk_2g_ccka_p;
  2129. swing_table->n[RF_PATH_A] = tbl->pwrtrk_2g_ccka_n;
  2130. swing_table->p[RF_PATH_B] = tbl->pwrtrk_2g_cckb_p;
  2131. swing_table->n[RF_PATH_B] = tbl->pwrtrk_2g_cckb_n;
  2132. swing_table->p[RF_PATH_C] = tbl->pwrtrk_2g_cckc_p;
  2133. swing_table->n[RF_PATH_C] = tbl->pwrtrk_2g_cckc_n;
  2134. swing_table->p[RF_PATH_D] = tbl->pwrtrk_2g_cckd_p;
  2135. swing_table->n[RF_PATH_D] = tbl->pwrtrk_2g_cckd_n;
  2136. } else {
  2137. swing_table->p[RF_PATH_A] = tbl->pwrtrk_2ga_p;
  2138. swing_table->n[RF_PATH_A] = tbl->pwrtrk_2ga_n;
  2139. swing_table->p[RF_PATH_B] = tbl->pwrtrk_2gb_p;
  2140. swing_table->n[RF_PATH_B] = tbl->pwrtrk_2gb_n;
  2141. swing_table->p[RF_PATH_C] = tbl->pwrtrk_2gc_p;
  2142. swing_table->n[RF_PATH_C] = tbl->pwrtrk_2gc_n;
  2143. swing_table->p[RF_PATH_D] = tbl->pwrtrk_2gd_p;
  2144. swing_table->n[RF_PATH_D] = tbl->pwrtrk_2gd_n;
  2145. }
  2146. } else if (IS_CH_5G_BAND_1(channel) || IS_CH_5G_BAND_2(channel)) {
  2147. swing_table->p[RF_PATH_A] = tbl->pwrtrk_5ga_p[RTW_PWR_TRK_5G_1];
  2148. swing_table->n[RF_PATH_A] = tbl->pwrtrk_5ga_n[RTW_PWR_TRK_5G_1];
  2149. swing_table->p[RF_PATH_B] = tbl->pwrtrk_5gb_p[RTW_PWR_TRK_5G_1];
  2150. swing_table->n[RF_PATH_B] = tbl->pwrtrk_5gb_n[RTW_PWR_TRK_5G_1];
  2151. swing_table->p[RF_PATH_C] = tbl->pwrtrk_5gc_p[RTW_PWR_TRK_5G_1];
  2152. swing_table->n[RF_PATH_C] = tbl->pwrtrk_5gc_n[RTW_PWR_TRK_5G_1];
  2153. swing_table->p[RF_PATH_D] = tbl->pwrtrk_5gd_p[RTW_PWR_TRK_5G_1];
  2154. swing_table->n[RF_PATH_D] = tbl->pwrtrk_5gd_n[RTW_PWR_TRK_5G_1];
  2155. } else if (IS_CH_5G_BAND_3(channel)) {
  2156. swing_table->p[RF_PATH_A] = tbl->pwrtrk_5ga_p[RTW_PWR_TRK_5G_2];
  2157. swing_table->n[RF_PATH_A] = tbl->pwrtrk_5ga_n[RTW_PWR_TRK_5G_2];
  2158. swing_table->p[RF_PATH_B] = tbl->pwrtrk_5gb_p[RTW_PWR_TRK_5G_2];
  2159. swing_table->n[RF_PATH_B] = tbl->pwrtrk_5gb_n[RTW_PWR_TRK_5G_2];
  2160. swing_table->p[RF_PATH_C] = tbl->pwrtrk_5gc_p[RTW_PWR_TRK_5G_2];
  2161. swing_table->n[RF_PATH_C] = tbl->pwrtrk_5gc_n[RTW_PWR_TRK_5G_2];
  2162. swing_table->p[RF_PATH_D] = tbl->pwrtrk_5gd_p[RTW_PWR_TRK_5G_2];
  2163. swing_table->n[RF_PATH_D] = tbl->pwrtrk_5gd_n[RTW_PWR_TRK_5G_2];
  2164. } else if (IS_CH_5G_BAND_4(channel)) {
  2165. swing_table->p[RF_PATH_A] = tbl->pwrtrk_5ga_p[RTW_PWR_TRK_5G_3];
  2166. swing_table->n[RF_PATH_A] = tbl->pwrtrk_5ga_n[RTW_PWR_TRK_5G_3];
  2167. swing_table->p[RF_PATH_B] = tbl->pwrtrk_5gb_p[RTW_PWR_TRK_5G_3];
  2168. swing_table->n[RF_PATH_B] = tbl->pwrtrk_5gb_n[RTW_PWR_TRK_5G_3];
  2169. swing_table->p[RF_PATH_C] = tbl->pwrtrk_5gc_p[RTW_PWR_TRK_5G_3];
  2170. swing_table->n[RF_PATH_C] = tbl->pwrtrk_5gc_n[RTW_PWR_TRK_5G_3];
  2171. swing_table->p[RF_PATH_D] = tbl->pwrtrk_5gd_p[RTW_PWR_TRK_5G_3];
  2172. swing_table->n[RF_PATH_D] = tbl->pwrtrk_5gd_n[RTW_PWR_TRK_5G_3];
  2173. } else {
  2174. swing_table->p[RF_PATH_A] = tbl->pwrtrk_2ga_p;
  2175. swing_table->n[RF_PATH_A] = tbl->pwrtrk_2ga_n;
  2176. swing_table->p[RF_PATH_B] = tbl->pwrtrk_2gb_p;
  2177. swing_table->n[RF_PATH_B] = tbl->pwrtrk_2gb_n;
  2178. swing_table->p[RF_PATH_C] = tbl->pwrtrk_2gc_p;
  2179. swing_table->n[RF_PATH_C] = tbl->pwrtrk_2gc_n;
  2180. swing_table->p[RF_PATH_D] = tbl->pwrtrk_2gd_p;
  2181. swing_table->n[RF_PATH_D] = tbl->pwrtrk_2gd_n;
  2182. }
  2183. }
  2184. EXPORT_SYMBOL(rtw_phy_config_swing_table);
  2185. void rtw_phy_pwrtrack_avg(struct rtw_dev *rtwdev, u8 thermal, u8 path)
  2186. {
  2187. struct rtw_dm_info *dm_info = &rtwdev->dm_info;
  2188. ewma_thermal_add(&dm_info->avg_thermal[path], thermal);
  2189. dm_info->thermal_avg[path] =
  2190. ewma_thermal_read(&dm_info->avg_thermal[path]);
  2191. }
  2192. EXPORT_SYMBOL(rtw_phy_pwrtrack_avg);
  2193. bool rtw_phy_pwrtrack_thermal_changed(struct rtw_dev *rtwdev, u8 thermal,
  2194. u8 path)
  2195. {
  2196. struct rtw_dm_info *dm_info = &rtwdev->dm_info;
  2197. u8 avg = ewma_thermal_read(&dm_info->avg_thermal[path]);
  2198. if (avg == thermal)
  2199. return false;
  2200. return true;
  2201. }
  2202. EXPORT_SYMBOL(rtw_phy_pwrtrack_thermal_changed);
  2203. u8 rtw_phy_pwrtrack_get_delta(struct rtw_dev *rtwdev, u8 path)
  2204. {
  2205. struct rtw_dm_info *dm_info = &rtwdev->dm_info;
  2206. u8 therm_avg, therm_efuse, therm_delta;
  2207. therm_avg = dm_info->thermal_avg[path];
  2208. therm_efuse = rtwdev->efuse.thermal_meter[path];
  2209. therm_delta = abs(therm_avg - therm_efuse);
  2210. return min_t(u8, therm_delta, RTW_PWR_TRK_TBL_SZ - 1);
  2211. }
  2212. EXPORT_SYMBOL(rtw_phy_pwrtrack_get_delta);
  2213. s8 rtw_phy_pwrtrack_get_pwridx(struct rtw_dev *rtwdev,
  2214. struct rtw_swing_table *swing_table,
  2215. u8 tbl_path, u8 therm_path, u8 delta)
  2216. {
  2217. struct rtw_dm_info *dm_info = &rtwdev->dm_info;
  2218. const u8 *delta_swing_table_idx_pos;
  2219. const u8 *delta_swing_table_idx_neg;
  2220. if (delta >= RTW_PWR_TRK_TBL_SZ) {
  2221. rtw_warn(rtwdev, "power track table overflow\n");
  2222. return 0;
  2223. }
  2224. if (!swing_table) {
  2225. rtw_warn(rtwdev, "swing table not configured\n");
  2226. return 0;
  2227. }
  2228. delta_swing_table_idx_pos = swing_table->p[tbl_path];
  2229. delta_swing_table_idx_neg = swing_table->n[tbl_path];
  2230. if (!delta_swing_table_idx_pos || !delta_swing_table_idx_neg) {
  2231. rtw_warn(rtwdev, "invalid swing table index\n");
  2232. return 0;
  2233. }
  2234. if (dm_info->thermal_avg[therm_path] >
  2235. rtwdev->efuse.thermal_meter[therm_path])
  2236. return delta_swing_table_idx_pos[delta];
  2237. else
  2238. return -delta_swing_table_idx_neg[delta];
  2239. }
  2240. EXPORT_SYMBOL(rtw_phy_pwrtrack_get_pwridx);
  2241. bool rtw_phy_pwrtrack_need_lck(struct rtw_dev *rtwdev)
  2242. {
  2243. struct rtw_dm_info *dm_info = &rtwdev->dm_info;
  2244. u8 delta_lck;
  2245. delta_lck = abs(dm_info->thermal_avg[0] - dm_info->thermal_meter_lck);
  2246. if (delta_lck >= rtwdev->chip->lck_threshold) {
  2247. dm_info->thermal_meter_lck = dm_info->thermal_avg[0];
  2248. return true;
  2249. }
  2250. return false;
  2251. }
  2252. EXPORT_SYMBOL(rtw_phy_pwrtrack_need_lck);
  2253. bool rtw_phy_pwrtrack_need_iqk(struct rtw_dev *rtwdev)
  2254. {
  2255. struct rtw_dm_info *dm_info = &rtwdev->dm_info;
  2256. u8 delta_iqk;
  2257. delta_iqk = abs(dm_info->thermal_avg[0] - dm_info->thermal_meter_k);
  2258. if (delta_iqk >= rtwdev->chip->iqk_threshold) {
  2259. dm_info->thermal_meter_k = dm_info->thermal_avg[0];
  2260. return true;
  2261. }
  2262. return false;
  2263. }
  2264. EXPORT_SYMBOL(rtw_phy_pwrtrack_need_iqk);
  2265. static void rtw_phy_set_tx_path_by_reg(struct rtw_dev *rtwdev,
  2266. enum rtw_bb_path tx_path_sel_1ss)
  2267. {
  2268. struct rtw_path_div *path_div = &rtwdev->dm_path_div;
  2269. enum rtw_bb_path tx_path_sel_cck = tx_path_sel_1ss;
  2270. const struct rtw_chip_info *chip = rtwdev->chip;
  2271. if (tx_path_sel_1ss == path_div->current_tx_path)
  2272. return;
  2273. path_div->current_tx_path = tx_path_sel_1ss;
  2274. rtw_dbg(rtwdev, RTW_DBG_PATH_DIV, "Switch TX path=%s\n",
  2275. tx_path_sel_1ss == BB_PATH_A ? "A" : "B");
  2276. chip->ops->config_tx_path(rtwdev, rtwdev->hal.antenna_tx,
  2277. tx_path_sel_1ss, tx_path_sel_cck, false);
  2278. }
  2279. static void rtw_phy_tx_path_div_select(struct rtw_dev *rtwdev)
  2280. {
  2281. struct rtw_path_div *path_div = &rtwdev->dm_path_div;
  2282. enum rtw_bb_path path = path_div->current_tx_path;
  2283. s32 rssi_a = 0, rssi_b = 0;
  2284. if (path_div->path_a_cnt)
  2285. rssi_a = path_div->path_a_sum / path_div->path_a_cnt;
  2286. else
  2287. rssi_a = 0;
  2288. if (path_div->path_b_cnt)
  2289. rssi_b = path_div->path_b_sum / path_div->path_b_cnt;
  2290. else
  2291. rssi_b = 0;
  2292. if (rssi_a != rssi_b)
  2293. path = (rssi_a > rssi_b) ? BB_PATH_A : BB_PATH_B;
  2294. path_div->path_a_cnt = 0;
  2295. path_div->path_a_sum = 0;
  2296. path_div->path_b_cnt = 0;
  2297. path_div->path_b_sum = 0;
  2298. rtw_phy_set_tx_path_by_reg(rtwdev, path);
  2299. }
  2300. static void rtw_phy_tx_path_diversity_2ss(struct rtw_dev *rtwdev)
  2301. {
  2302. if (rtwdev->hal.antenna_rx != BB_PATH_AB) {
  2303. rtw_dbg(rtwdev, RTW_DBG_PATH_DIV,
  2304. "[Return] tx_Path_en=%d, rx_Path_en=%d\n",
  2305. rtwdev->hal.antenna_tx, rtwdev->hal.antenna_rx);
  2306. return;
  2307. }
  2308. if (rtwdev->sta_cnt == 0) {
  2309. rtw_dbg(rtwdev, RTW_DBG_PATH_DIV, "No Link\n");
  2310. return;
  2311. }
  2312. rtw_phy_tx_path_div_select(rtwdev);
  2313. }
  2314. void rtw_phy_tx_path_diversity(struct rtw_dev *rtwdev)
  2315. {
  2316. const struct rtw_chip_info *chip = rtwdev->chip;
  2317. if (!chip->path_div_supported)
  2318. return;
  2319. rtw_phy_tx_path_diversity_2ss(rtwdev);
  2320. }