dm.c 21 KB

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  1. /******************************************************************************
  2. *
  3. * Copyright(c) 2009-2012 Realtek Corporation.
  4. *
  5. * This program is free software; you can redistribute it and/or modify it
  6. * under the terms of version 2 of the GNU General Public License as
  7. * published by the Free Software Foundation.
  8. *
  9. * This program is distributed in the hope that it will be useful, but WITHOUT
  10. * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11. * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  12. * more details.
  13. *
  14. * The full GNU General Public License is included in this distribution in the
  15. * file called LICENSE.
  16. *
  17. * Contact Information:
  18. * wlanfae <wlanfae@realtek.com>
  19. * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  20. * Hsinchu 300, Taiwan.
  21. *
  22. * Larry Finger <Larry.Finger@lwfinger.net>
  23. *
  24. *****************************************************************************/
  25. #include "../wifi.h"
  26. #include "../base.h"
  27. #include "../core.h"
  28. #include "reg.h"
  29. #include "def.h"
  30. #include "phy.h"
  31. #include "dm.h"
  32. #include "fw.h"
  33. static const u32 edca_setting_dl[PEER_MAX] = {
  34. 0xa44f, /* 0 UNKNOWN */
  35. 0x5ea44f, /* 1 REALTEK_90 */
  36. 0x5ea44f, /* 2 REALTEK_92SE */
  37. 0xa630, /* 3 BROAD */
  38. 0xa44f, /* 4 RAL */
  39. 0xa630, /* 5 ATH */
  40. 0xa630, /* 6 CISCO */
  41. 0xa42b, /* 7 MARV */
  42. };
  43. static const u32 edca_setting_dl_gmode[PEER_MAX] = {
  44. 0x4322, /* 0 UNKNOWN */
  45. 0xa44f, /* 1 REALTEK_90 */
  46. 0x5ea44f, /* 2 REALTEK_92SE */
  47. 0xa42b, /* 3 BROAD */
  48. 0x5e4322, /* 4 RAL */
  49. 0x4322, /* 5 ATH */
  50. 0xa430, /* 6 CISCO */
  51. 0x5ea44f, /* 7 MARV */
  52. };
  53. static const u32 edca_setting_ul[PEER_MAX] = {
  54. 0x5e4322, /* 0 UNKNOWN */
  55. 0xa44f, /* 1 REALTEK_90 */
  56. 0x5ea44f, /* 2 REALTEK_92SE */
  57. 0x5ea322, /* 3 BROAD */
  58. 0x5ea422, /* 4 RAL */
  59. 0x5ea322, /* 5 ATH */
  60. 0x3ea44f, /* 6 CISCO */
  61. 0x5ea44f, /* 7 MARV */
  62. };
  63. static void _rtl92s_dm_check_edca_turbo(struct ieee80211_hw *hw)
  64. {
  65. struct rtl_priv *rtlpriv = rtl_priv(hw);
  66. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  67. static u64 last_txok_cnt;
  68. static u64 last_rxok_cnt;
  69. u64 cur_txok_cnt = 0;
  70. u64 cur_rxok_cnt = 0;
  71. u32 edca_be_ul = edca_setting_ul[mac->vendor];
  72. u32 edca_be_dl = edca_setting_dl[mac->vendor];
  73. u32 edca_gmode = edca_setting_dl_gmode[mac->vendor];
  74. if (mac->link_state != MAC80211_LINKED) {
  75. rtlpriv->dm.current_turbo_edca = false;
  76. goto dm_checkedcaturbo_exit;
  77. }
  78. if ((!rtlpriv->dm.is_any_nonbepkts) &&
  79. (!rtlpriv->dm.disable_framebursting)) {
  80. cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt;
  81. cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - last_rxok_cnt;
  82. if (rtlpriv->phy.rf_type == RF_1T2R) {
  83. if (cur_txok_cnt > 4 * cur_rxok_cnt) {
  84. /* Uplink TP is present. */
  85. if (rtlpriv->dm.is_cur_rdlstate ||
  86. !rtlpriv->dm.current_turbo_edca) {
  87. rtl_write_dword(rtlpriv, EDCAPARA_BE,
  88. edca_be_ul);
  89. rtlpriv->dm.is_cur_rdlstate = false;
  90. }
  91. } else {/* Balance TP is present. */
  92. if (!rtlpriv->dm.is_cur_rdlstate ||
  93. !rtlpriv->dm.current_turbo_edca) {
  94. if (mac->mode == WIRELESS_MODE_G ||
  95. mac->mode == WIRELESS_MODE_B)
  96. rtl_write_dword(rtlpriv,
  97. EDCAPARA_BE,
  98. edca_gmode);
  99. else
  100. rtl_write_dword(rtlpriv,
  101. EDCAPARA_BE,
  102. edca_be_dl);
  103. rtlpriv->dm.is_cur_rdlstate = true;
  104. }
  105. }
  106. rtlpriv->dm.current_turbo_edca = true;
  107. } else {
  108. if (cur_rxok_cnt > 4 * cur_txok_cnt) {
  109. if (!rtlpriv->dm.is_cur_rdlstate ||
  110. !rtlpriv->dm.current_turbo_edca) {
  111. if (mac->mode == WIRELESS_MODE_G ||
  112. mac->mode == WIRELESS_MODE_B)
  113. rtl_write_dword(rtlpriv,
  114. EDCAPARA_BE,
  115. edca_gmode);
  116. else
  117. rtl_write_dword(rtlpriv,
  118. EDCAPARA_BE,
  119. edca_be_dl);
  120. rtlpriv->dm.is_cur_rdlstate = true;
  121. }
  122. } else {
  123. if (rtlpriv->dm.is_cur_rdlstate ||
  124. !rtlpriv->dm.current_turbo_edca) {
  125. rtl_write_dword(rtlpriv, EDCAPARA_BE,
  126. edca_be_ul);
  127. rtlpriv->dm.is_cur_rdlstate = false;
  128. }
  129. }
  130. rtlpriv->dm.current_turbo_edca = true;
  131. }
  132. } else {
  133. if (rtlpriv->dm.current_turbo_edca) {
  134. u8 tmp = AC0_BE;
  135. rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AC_PARAM,
  136. &tmp);
  137. rtlpriv->dm.current_turbo_edca = false;
  138. }
  139. }
  140. dm_checkedcaturbo_exit:
  141. rtlpriv->dm.is_any_nonbepkts = false;
  142. last_txok_cnt = rtlpriv->stats.txbytesunicast;
  143. last_rxok_cnt = rtlpriv->stats.rxbytesunicast;
  144. }
  145. static void _rtl92s_dm_txpowertracking_callback_thermalmeter(
  146. struct ieee80211_hw *hw)
  147. {
  148. struct rtl_priv *rtlpriv = rtl_priv(hw);
  149. struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
  150. u8 thermalvalue = 0;
  151. u32 fw_cmd = 0;
  152. rtlpriv->dm.txpower_trackinginit = true;
  153. thermalvalue = (u8)rtl_get_rfreg(hw, RF90_PATH_A, RF_T_METER, 0x1f);
  154. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  155. "Readback Thermal Meter = 0x%x pre thermal meter 0x%x eeprom_thermal meter 0x%x\n",
  156. thermalvalue,
  157. rtlpriv->dm.thermalvalue, rtlefuse->eeprom_thermalmeter);
  158. if (thermalvalue) {
  159. rtlpriv->dm.thermalvalue = thermalvalue;
  160. if (hal_get_firmwareversion(rtlpriv) >= 0x35) {
  161. rtl92s_phy_set_fw_cmd(hw, FW_CMD_TXPWR_TRACK_THERMAL);
  162. } else {
  163. fw_cmd = (FW_TXPWR_TRACK_THERMAL |
  164. (rtlpriv->efuse.thermalmeter[0] << 8) |
  165. (thermalvalue << 16));
  166. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  167. "Write to FW Thermal Val = 0x%x\n", fw_cmd);
  168. rtl_write_dword(rtlpriv, WFM5, fw_cmd);
  169. rtl92s_phy_chk_fwcmd_iodone(hw);
  170. }
  171. }
  172. rtlpriv->dm.txpowercount = 0;
  173. }
  174. static void _rtl92s_dm_check_txpowertracking_thermalmeter(
  175. struct ieee80211_hw *hw)
  176. {
  177. struct rtl_priv *rtlpriv = rtl_priv(hw);
  178. struct rtl_phy *rtlphy = &(rtlpriv->phy);
  179. u8 tx_power_checkcnt = 5;
  180. /* 2T2R TP issue */
  181. if (rtlphy->rf_type == RF_2T2R)
  182. return;
  183. if (!rtlpriv->dm.txpower_tracking)
  184. return;
  185. if (rtlpriv->dm.txpowercount <= tx_power_checkcnt) {
  186. rtlpriv->dm.txpowercount++;
  187. return;
  188. }
  189. if (!rtlpriv->dm.tm_trigger) {
  190. rtl_set_rfreg(hw, RF90_PATH_A, RF_T_METER,
  191. RFREG_OFFSET_MASK, 0x60);
  192. rtlpriv->dm.tm_trigger = 1;
  193. } else {
  194. _rtl92s_dm_txpowertracking_callback_thermalmeter(hw);
  195. rtlpriv->dm.tm_trigger = 0;
  196. }
  197. }
  198. static void _rtl92s_dm_refresh_rateadaptive_mask(struct ieee80211_hw *hw)
  199. {
  200. struct rtl_priv *rtlpriv = rtl_priv(hw);
  201. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  202. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  203. struct rate_adaptive *ra = &(rtlpriv->ra);
  204. struct ieee80211_sta *sta = NULL;
  205. u32 low_rssi_thresh = 0;
  206. u32 middle_rssi_thresh = 0;
  207. u32 high_rssi_thresh = 0;
  208. if (is_hal_stop(rtlhal))
  209. return;
  210. if (!rtlpriv->dm.useramask)
  211. return;
  212. if (hal_get_firmwareversion(rtlpriv) >= 61 &&
  213. !rtlpriv->dm.inform_fw_driverctrldm) {
  214. rtl92s_phy_set_fw_cmd(hw, FW_CMD_CTRL_DM_BY_DRIVER);
  215. rtlpriv->dm.inform_fw_driverctrldm = true;
  216. }
  217. if ((mac->link_state == MAC80211_LINKED) &&
  218. (mac->opmode == NL80211_IFTYPE_STATION)) {
  219. switch (ra->pre_ratr_state) {
  220. case DM_RATR_STA_HIGH:
  221. high_rssi_thresh = 40;
  222. middle_rssi_thresh = 30;
  223. low_rssi_thresh = 20;
  224. break;
  225. case DM_RATR_STA_MIDDLE:
  226. high_rssi_thresh = 44;
  227. middle_rssi_thresh = 30;
  228. low_rssi_thresh = 20;
  229. break;
  230. case DM_RATR_STA_LOW:
  231. high_rssi_thresh = 44;
  232. middle_rssi_thresh = 34;
  233. low_rssi_thresh = 20;
  234. break;
  235. case DM_RATR_STA_ULTRALOW:
  236. high_rssi_thresh = 44;
  237. middle_rssi_thresh = 34;
  238. low_rssi_thresh = 24;
  239. break;
  240. default:
  241. high_rssi_thresh = 44;
  242. middle_rssi_thresh = 34;
  243. low_rssi_thresh = 24;
  244. break;
  245. }
  246. if (rtlpriv->dm.undec_sm_pwdb > (long)high_rssi_thresh) {
  247. ra->ratr_state = DM_RATR_STA_HIGH;
  248. } else if (rtlpriv->dm.undec_sm_pwdb >
  249. (long)middle_rssi_thresh) {
  250. ra->ratr_state = DM_RATR_STA_LOW;
  251. } else if (rtlpriv->dm.undec_sm_pwdb >
  252. (long)low_rssi_thresh) {
  253. ra->ratr_state = DM_RATR_STA_LOW;
  254. } else {
  255. ra->ratr_state = DM_RATR_STA_ULTRALOW;
  256. }
  257. if (ra->pre_ratr_state != ra->ratr_state) {
  258. RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
  259. "RSSI = %ld RSSI_LEVEL = %d PreState = %d, CurState = %d\n",
  260. rtlpriv->dm.undec_sm_pwdb, ra->ratr_state,
  261. ra->pre_ratr_state, ra->ratr_state);
  262. rcu_read_lock();
  263. sta = rtl_find_sta(hw, mac->bssid);
  264. if (sta)
  265. rtlpriv->cfg->ops->update_rate_tbl(hw, sta,
  266. ra->ratr_state);
  267. rcu_read_unlock();
  268. ra->pre_ratr_state = ra->ratr_state;
  269. }
  270. }
  271. }
  272. static void _rtl92s_dm_switch_baseband_mrc(struct ieee80211_hw *hw)
  273. {
  274. struct rtl_priv *rtlpriv = rtl_priv(hw);
  275. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  276. struct rtl_phy *rtlphy = &(rtlpriv->phy);
  277. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  278. bool current_mrc;
  279. bool enable_mrc = true;
  280. long tmpentry_maxpwdb = 0;
  281. u8 rssi_a = 0;
  282. u8 rssi_b = 0;
  283. if (is_hal_stop(rtlhal))
  284. return;
  285. if ((rtlphy->rf_type == RF_1T1R) || (rtlphy->rf_type == RF_2T2R))
  286. return;
  287. rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_MRC, (u8 *)(&current_mrc));
  288. if (mac->link_state >= MAC80211_LINKED) {
  289. if (rtlpriv->dm.undec_sm_pwdb > tmpentry_maxpwdb) {
  290. rssi_a = rtlpriv->stats.rx_rssi_percentage[RF90_PATH_A];
  291. rssi_b = rtlpriv->stats.rx_rssi_percentage[RF90_PATH_B];
  292. }
  293. }
  294. /* MRC settings would NOT affect TP on Wireless B mode. */
  295. if (mac->mode != WIRELESS_MODE_B) {
  296. if ((rssi_a == 0) && (rssi_b == 0)) {
  297. enable_mrc = true;
  298. } else if (rssi_b > 30) {
  299. /* Turn on B-Path */
  300. enable_mrc = true;
  301. } else if (rssi_b < 5) {
  302. /* Turn off B-path */
  303. enable_mrc = false;
  304. /* Take care of RSSI differentiation. */
  305. } else if (rssi_a > 15 && (rssi_a >= rssi_b)) {
  306. if ((rssi_a - rssi_b) > 15)
  307. /* Turn off B-path */
  308. enable_mrc = false;
  309. else if ((rssi_a - rssi_b) < 10)
  310. /* Turn on B-Path */
  311. enable_mrc = true;
  312. else
  313. enable_mrc = current_mrc;
  314. } else {
  315. /* Turn on B-Path */
  316. enable_mrc = true;
  317. }
  318. }
  319. /* Update MRC settings if needed. */
  320. if (enable_mrc != current_mrc)
  321. rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_MRC,
  322. (u8 *)&enable_mrc);
  323. }
  324. void rtl92s_dm_init_edca_turbo(struct ieee80211_hw *hw)
  325. {
  326. struct rtl_priv *rtlpriv = rtl_priv(hw);
  327. rtlpriv->dm.current_turbo_edca = false;
  328. rtlpriv->dm.is_any_nonbepkts = false;
  329. rtlpriv->dm.is_cur_rdlstate = false;
  330. }
  331. static void _rtl92s_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw)
  332. {
  333. struct rtl_priv *rtlpriv = rtl_priv(hw);
  334. struct rate_adaptive *ra = &(rtlpriv->ra);
  335. ra->ratr_state = DM_RATR_STA_MAX;
  336. ra->pre_ratr_state = DM_RATR_STA_MAX;
  337. if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER &&
  338. hal_get_firmwareversion(rtlpriv) >= 60)
  339. rtlpriv->dm.useramask = true;
  340. else
  341. rtlpriv->dm.useramask = false;
  342. rtlpriv->dm.useramask = false;
  343. rtlpriv->dm.inform_fw_driverctrldm = false;
  344. }
  345. static void _rtl92s_dm_init_txpowertracking_thermalmeter(
  346. struct ieee80211_hw *hw)
  347. {
  348. struct rtl_priv *rtlpriv = rtl_priv(hw);
  349. rtlpriv->dm.txpower_tracking = true;
  350. rtlpriv->dm.txpowercount = 0;
  351. rtlpriv->dm.txpower_trackinginit = false;
  352. }
  353. static void _rtl92s_dm_false_alarm_counter_statistics(struct ieee80211_hw *hw)
  354. {
  355. struct rtl_priv *rtlpriv = rtl_priv(hw);
  356. struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt);
  357. u32 ret_value;
  358. ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER1, MASKDWORD);
  359. falsealm_cnt->cnt_parity_fail = ((ret_value & 0xffff0000) >> 16);
  360. ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER2, MASKDWORD);
  361. falsealm_cnt->cnt_rate_illegal = (ret_value & 0xffff);
  362. falsealm_cnt->cnt_crc8_fail = ((ret_value & 0xffff0000) >> 16);
  363. ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER3, MASKDWORD);
  364. falsealm_cnt->cnt_mcs_fail = (ret_value & 0xffff);
  365. falsealm_cnt->cnt_ofdm_fail = falsealm_cnt->cnt_parity_fail +
  366. falsealm_cnt->cnt_rate_illegal + falsealm_cnt->cnt_crc8_fail +
  367. falsealm_cnt->cnt_mcs_fail;
  368. /* read CCK false alarm */
  369. ret_value = rtl_get_bbreg(hw, 0xc64, MASKDWORD);
  370. falsealm_cnt->cnt_cck_fail = (ret_value & 0xffff);
  371. falsealm_cnt->cnt_all = falsealm_cnt->cnt_ofdm_fail +
  372. falsealm_cnt->cnt_cck_fail;
  373. }
  374. static void rtl92s_backoff_enable_flag(struct ieee80211_hw *hw)
  375. {
  376. struct rtl_priv *rtlpriv = rtl_priv(hw);
  377. struct dig_t *digtable = &rtlpriv->dm_digtable;
  378. struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt);
  379. if (falsealm_cnt->cnt_all > digtable->fa_highthresh) {
  380. if ((digtable->back_val - 6) <
  381. digtable->backoffval_range_min)
  382. digtable->back_val = digtable->backoffval_range_min;
  383. else
  384. digtable->back_val -= 6;
  385. } else if (falsealm_cnt->cnt_all < digtable->fa_lowthresh) {
  386. if ((digtable->back_val + 6) >
  387. digtable->backoffval_range_max)
  388. digtable->back_val =
  389. digtable->backoffval_range_max;
  390. else
  391. digtable->back_val += 6;
  392. }
  393. }
  394. static void _rtl92s_dm_initial_gain_sta_beforeconnect(struct ieee80211_hw *hw)
  395. {
  396. struct rtl_priv *rtlpriv = rtl_priv(hw);
  397. struct dig_t *digtable = &rtlpriv->dm_digtable;
  398. struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt);
  399. static u8 initialized, force_write;
  400. u8 initial_gain = 0;
  401. if ((digtable->pre_sta_cstate == digtable->cur_sta_cstate) ||
  402. (digtable->cur_sta_cstate == DIG_STA_BEFORE_CONNECT)) {
  403. if (digtable->cur_sta_cstate == DIG_STA_BEFORE_CONNECT) {
  404. if (rtlpriv->psc.rfpwr_state != ERFON)
  405. return;
  406. if (digtable->backoff_enable_flag)
  407. rtl92s_backoff_enable_flag(hw);
  408. else
  409. digtable->back_val = DM_DIG_BACKOFF_MAX;
  410. if ((digtable->rssi_val + 10 - digtable->back_val) >
  411. digtable->rx_gain_max)
  412. digtable->cur_igvalue =
  413. digtable->rx_gain_max;
  414. else if ((digtable->rssi_val + 10 - digtable->back_val)
  415. < digtable->rx_gain_min)
  416. digtable->cur_igvalue =
  417. digtable->rx_gain_min;
  418. else
  419. digtable->cur_igvalue = digtable->rssi_val + 10
  420. - digtable->back_val;
  421. if (falsealm_cnt->cnt_all > 10000)
  422. digtable->cur_igvalue =
  423. (digtable->cur_igvalue > 0x33) ?
  424. digtable->cur_igvalue : 0x33;
  425. if (falsealm_cnt->cnt_all > 16000)
  426. digtable->cur_igvalue =
  427. digtable->rx_gain_max;
  428. /* connected -> connected or disconnected -> disconnected */
  429. } else {
  430. /* Firmware control DIG, do nothing in driver dm */
  431. return;
  432. }
  433. /* disconnected -> connected or connected ->
  434. * disconnected or beforeconnect->(dis)connected */
  435. } else {
  436. /* Enable FW DIG */
  437. digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
  438. rtl92s_phy_set_fw_cmd(hw, FW_CMD_DIG_ENABLE);
  439. digtable->back_val = DM_DIG_BACKOFF_MAX;
  440. digtable->cur_igvalue = rtlpriv->phy.default_initialgain[0];
  441. digtable->pre_igvalue = 0;
  442. return;
  443. }
  444. /* Forced writing to prevent from fw-dig overwriting. */
  445. if (digtable->pre_igvalue != rtl_get_bbreg(hw, ROFDM0_XAAGCCORE1,
  446. MASKBYTE0))
  447. force_write = 1;
  448. if ((digtable->pre_igvalue != digtable->cur_igvalue) ||
  449. !initialized || force_write) {
  450. /* Disable FW DIG */
  451. rtl92s_phy_set_fw_cmd(hw, FW_CMD_DIG_DISABLE);
  452. initial_gain = (u8)digtable->cur_igvalue;
  453. /* Set initial gain. */
  454. rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, MASKBYTE0, initial_gain);
  455. rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, MASKBYTE0, initial_gain);
  456. digtable->pre_igvalue = digtable->cur_igvalue;
  457. initialized = 1;
  458. force_write = 0;
  459. }
  460. }
  461. static void _rtl92s_dm_ctrl_initgain_bytwoport(struct ieee80211_hw *hw)
  462. {
  463. struct rtl_priv *rtlpriv = rtl_priv(hw);
  464. struct dig_t *dig = &rtlpriv->dm_digtable;
  465. if (rtlpriv->mac80211.act_scanning)
  466. return;
  467. /* Decide the current status and if modify initial gain or not */
  468. if (rtlpriv->mac80211.link_state >= MAC80211_LINKED ||
  469. rtlpriv->mac80211.opmode == NL80211_IFTYPE_ADHOC)
  470. dig->cur_sta_cstate = DIG_STA_CONNECT;
  471. else
  472. dig->cur_sta_cstate = DIG_STA_DISCONNECT;
  473. dig->rssi_val = rtlpriv->dm.undec_sm_pwdb;
  474. /* Change dig mode to rssi */
  475. if (dig->cur_sta_cstate != DIG_STA_DISCONNECT) {
  476. if (dig->dig_twoport_algorithm ==
  477. DIG_TWO_PORT_ALGO_FALSE_ALARM) {
  478. dig->dig_twoport_algorithm = DIG_TWO_PORT_ALGO_RSSI;
  479. rtl92s_phy_set_fw_cmd(hw, FW_CMD_DIG_MODE_SS);
  480. }
  481. }
  482. _rtl92s_dm_false_alarm_counter_statistics(hw);
  483. _rtl92s_dm_initial_gain_sta_beforeconnect(hw);
  484. dig->pre_sta_cstate = dig->cur_sta_cstate;
  485. }
  486. static void _rtl92s_dm_ctrl_initgain_byrssi(struct ieee80211_hw *hw)
  487. {
  488. struct rtl_priv *rtlpriv = rtl_priv(hw);
  489. struct rtl_phy *rtlphy = &(rtlpriv->phy);
  490. struct dig_t *digtable = &rtlpriv->dm_digtable;
  491. /* 2T2R TP issue */
  492. if (rtlphy->rf_type == RF_2T2R)
  493. return;
  494. if (!rtlpriv->dm.dm_initialgain_enable)
  495. return;
  496. if (digtable->dig_enable_flag == false)
  497. return;
  498. _rtl92s_dm_ctrl_initgain_bytwoport(hw);
  499. }
  500. static void _rtl92s_dm_dynamic_txpower(struct ieee80211_hw *hw)
  501. {
  502. struct rtl_priv *rtlpriv = rtl_priv(hw);
  503. struct rtl_phy *rtlphy = &(rtlpriv->phy);
  504. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  505. long undec_sm_pwdb;
  506. long txpwr_threshold_lv1, txpwr_threshold_lv2;
  507. /* 2T2R TP issue */
  508. if (rtlphy->rf_type == RF_2T2R)
  509. return;
  510. if (!rtlpriv->dm.dynamic_txpower_enable ||
  511. rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
  512. rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL;
  513. return;
  514. }
  515. if ((mac->link_state < MAC80211_LINKED) &&
  516. (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
  517. RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
  518. "Not connected to any\n");
  519. rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL;
  520. rtlpriv->dm.last_dtp_lvl = TX_HIGHPWR_LEVEL_NORMAL;
  521. return;
  522. }
  523. if (mac->link_state >= MAC80211_LINKED) {
  524. if (mac->opmode == NL80211_IFTYPE_ADHOC) {
  525. undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
  526. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  527. "AP Client PWDB = 0x%lx\n",
  528. undec_sm_pwdb);
  529. } else {
  530. undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
  531. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  532. "STA Default Port PWDB = 0x%lx\n",
  533. undec_sm_pwdb);
  534. }
  535. } else {
  536. undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
  537. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  538. "AP Ext Port PWDB = 0x%lx\n",
  539. undec_sm_pwdb);
  540. }
  541. txpwr_threshold_lv2 = TX_POWER_NEAR_FIELD_THRESH_LVL2;
  542. txpwr_threshold_lv1 = TX_POWER_NEAR_FIELD_THRESH_LVL1;
  543. if (rtl_get_bbreg(hw, 0xc90, MASKBYTE0) == 1)
  544. rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL;
  545. else if (undec_sm_pwdb >= txpwr_threshold_lv2)
  546. rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL2;
  547. else if ((undec_sm_pwdb < (txpwr_threshold_lv2 - 3)) &&
  548. (undec_sm_pwdb >= txpwr_threshold_lv1))
  549. rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL1;
  550. else if (undec_sm_pwdb < (txpwr_threshold_lv1 - 3))
  551. rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL;
  552. if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl))
  553. rtl92s_phy_set_txpower(hw, rtlphy->current_channel);
  554. rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
  555. }
  556. static void _rtl92s_dm_init_dig(struct ieee80211_hw *hw)
  557. {
  558. struct rtl_priv *rtlpriv = rtl_priv(hw);
  559. struct dig_t *digtable = &rtlpriv->dm_digtable;
  560. /* Disable DIG scheme now.*/
  561. digtable->dig_enable_flag = true;
  562. digtable->backoff_enable_flag = true;
  563. if ((rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER) &&
  564. (hal_get_firmwareversion(rtlpriv) >= 0x3c))
  565. digtable->dig_algorithm = DIG_ALGO_BY_TOW_PORT;
  566. else
  567. digtable->dig_algorithm =
  568. DIG_ALGO_BEFORE_CONNECT_BY_RSSI_AND_ALARM;
  569. digtable->dig_twoport_algorithm = DIG_TWO_PORT_ALGO_RSSI;
  570. digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
  571. /* off=by real rssi value, on=by digtable->rssi_val for new dig */
  572. digtable->dig_dbgmode = DM_DBG_OFF;
  573. digtable->dig_slgorithm_switch = 0;
  574. /* 2007/10/04 MH Define init gain threshol. */
  575. digtable->dig_state = DM_STA_DIG_MAX;
  576. digtable->dig_highpwrstate = DM_STA_DIG_MAX;
  577. digtable->cur_sta_cstate = DIG_STA_DISCONNECT;
  578. digtable->pre_sta_cstate = DIG_STA_DISCONNECT;
  579. digtable->cur_ap_cstate = DIG_AP_DISCONNECT;
  580. digtable->pre_ap_cstate = DIG_AP_DISCONNECT;
  581. digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
  582. digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
  583. digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
  584. digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
  585. digtable->rssi_highpower_lowthresh = DM_DIG_HIGH_PWR_THRESH_LOW;
  586. digtable->rssi_highpower_highthresh = DM_DIG_HIGH_PWR_THRESH_HIGH;
  587. /* for dig debug rssi value */
  588. digtable->rssi_val = 50;
  589. digtable->back_val = DM_DIG_BACKOFF_MAX;
  590. digtable->rx_gain_max = DM_DIG_MAX;
  591. digtable->rx_gain_min = DM_DIG_MIN;
  592. digtable->backoffval_range_max = DM_DIG_BACKOFF_MAX;
  593. digtable->backoffval_range_min = DM_DIG_BACKOFF_MIN;
  594. }
  595. static void _rtl92s_dm_init_dynamic_txpower(struct ieee80211_hw *hw)
  596. {
  597. struct rtl_priv *rtlpriv = rtl_priv(hw);
  598. if ((hal_get_firmwareversion(rtlpriv) >= 60) &&
  599. (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER))
  600. rtlpriv->dm.dynamic_txpower_enable = true;
  601. else
  602. rtlpriv->dm.dynamic_txpower_enable = false;
  603. rtlpriv->dm.last_dtp_lvl = TX_HIGHPWR_LEVEL_NORMAL;
  604. rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL;
  605. }
  606. void rtl92s_dm_init(struct ieee80211_hw *hw)
  607. {
  608. struct rtl_priv *rtlpriv = rtl_priv(hw);
  609. rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
  610. rtlpriv->dm.undec_sm_pwdb = -1;
  611. _rtl92s_dm_init_dynamic_txpower(hw);
  612. rtl92s_dm_init_edca_turbo(hw);
  613. _rtl92s_dm_init_rate_adaptive_mask(hw);
  614. _rtl92s_dm_init_txpowertracking_thermalmeter(hw);
  615. _rtl92s_dm_init_dig(hw);
  616. rtl_write_dword(rtlpriv, WFM5, FW_CCA_CHK_ENABLE);
  617. }
  618. void rtl92s_dm_watchdog(struct ieee80211_hw *hw)
  619. {
  620. _rtl92s_dm_check_edca_turbo(hw);
  621. _rtl92s_dm_check_txpowertracking_thermalmeter(hw);
  622. _rtl92s_dm_ctrl_initgain_byrssi(hw);
  623. _rtl92s_dm_dynamic_txpower(hw);
  624. _rtl92s_dm_refresh_rateadaptive_mask(hw);
  625. _rtl92s_dm_switch_baseband_mrc(hw);
  626. }