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. true);
  268. rcu_read_unlock();
  269. ra->pre_ratr_state = ra->ratr_state;
  270. }
  271. }
  272. }
  273. static void _rtl92s_dm_switch_baseband_mrc(struct ieee80211_hw *hw)
  274. {
  275. struct rtl_priv *rtlpriv = rtl_priv(hw);
  276. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  277. struct rtl_phy *rtlphy = &(rtlpriv->phy);
  278. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  279. bool current_mrc;
  280. bool enable_mrc = true;
  281. long tmpentry_maxpwdb = 0;
  282. u8 rssi_a = 0;
  283. u8 rssi_b = 0;
  284. if (is_hal_stop(rtlhal))
  285. return;
  286. if ((rtlphy->rf_type == RF_1T1R) || (rtlphy->rf_type == RF_2T2R))
  287. return;
  288. rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_MRC, (u8 *)(&current_mrc));
  289. if (mac->link_state >= MAC80211_LINKED) {
  290. if (rtlpriv->dm.undec_sm_pwdb > tmpentry_maxpwdb) {
  291. rssi_a = rtlpriv->stats.rx_rssi_percentage[RF90_PATH_A];
  292. rssi_b = rtlpriv->stats.rx_rssi_percentage[RF90_PATH_B];
  293. }
  294. }
  295. /* MRC settings would NOT affect TP on Wireless B mode. */
  296. if (mac->mode != WIRELESS_MODE_B) {
  297. if ((rssi_a == 0) && (rssi_b == 0)) {
  298. enable_mrc = true;
  299. } else if (rssi_b > 30) {
  300. /* Turn on B-Path */
  301. enable_mrc = true;
  302. } else if (rssi_b < 5) {
  303. /* Turn off B-path */
  304. enable_mrc = false;
  305. /* Take care of RSSI differentiation. */
  306. } else if (rssi_a > 15 && (rssi_a >= rssi_b)) {
  307. if ((rssi_a - rssi_b) > 15)
  308. /* Turn off B-path */
  309. enable_mrc = false;
  310. else if ((rssi_a - rssi_b) < 10)
  311. /* Turn on B-Path */
  312. enable_mrc = true;
  313. else
  314. enable_mrc = current_mrc;
  315. } else {
  316. /* Turn on B-Path */
  317. enable_mrc = true;
  318. }
  319. }
  320. /* Update MRC settings if needed. */
  321. if (enable_mrc != current_mrc)
  322. rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_MRC,
  323. (u8 *)&enable_mrc);
  324. }
  325. void rtl92s_dm_init_edca_turbo(struct ieee80211_hw *hw)
  326. {
  327. struct rtl_priv *rtlpriv = rtl_priv(hw);
  328. rtlpriv->dm.current_turbo_edca = false;
  329. rtlpriv->dm.is_any_nonbepkts = false;
  330. rtlpriv->dm.is_cur_rdlstate = false;
  331. }
  332. static void _rtl92s_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw)
  333. {
  334. struct rtl_priv *rtlpriv = rtl_priv(hw);
  335. struct rate_adaptive *ra = &(rtlpriv->ra);
  336. ra->ratr_state = DM_RATR_STA_MAX;
  337. ra->pre_ratr_state = DM_RATR_STA_MAX;
  338. if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER &&
  339. hal_get_firmwareversion(rtlpriv) >= 60)
  340. rtlpriv->dm.useramask = true;
  341. else
  342. rtlpriv->dm.useramask = false;
  343. rtlpriv->dm.useramask = false;
  344. rtlpriv->dm.inform_fw_driverctrldm = false;
  345. }
  346. static void _rtl92s_dm_init_txpowertracking_thermalmeter(
  347. struct ieee80211_hw *hw)
  348. {
  349. struct rtl_priv *rtlpriv = rtl_priv(hw);
  350. rtlpriv->dm.txpower_tracking = true;
  351. rtlpriv->dm.txpowercount = 0;
  352. rtlpriv->dm.txpower_trackinginit = false;
  353. }
  354. static void _rtl92s_dm_false_alarm_counter_statistics(struct ieee80211_hw *hw)
  355. {
  356. struct rtl_priv *rtlpriv = rtl_priv(hw);
  357. struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt);
  358. u32 ret_value;
  359. ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER1, MASKDWORD);
  360. falsealm_cnt->cnt_parity_fail = ((ret_value & 0xffff0000) >> 16);
  361. ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER2, MASKDWORD);
  362. falsealm_cnt->cnt_rate_illegal = (ret_value & 0xffff);
  363. falsealm_cnt->cnt_crc8_fail = ((ret_value & 0xffff0000) >> 16);
  364. ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER3, MASKDWORD);
  365. falsealm_cnt->cnt_mcs_fail = (ret_value & 0xffff);
  366. falsealm_cnt->cnt_ofdm_fail = falsealm_cnt->cnt_parity_fail +
  367. falsealm_cnt->cnt_rate_illegal + falsealm_cnt->cnt_crc8_fail +
  368. falsealm_cnt->cnt_mcs_fail;
  369. /* read CCK false alarm */
  370. ret_value = rtl_get_bbreg(hw, 0xc64, MASKDWORD);
  371. falsealm_cnt->cnt_cck_fail = (ret_value & 0xffff);
  372. falsealm_cnt->cnt_all = falsealm_cnt->cnt_ofdm_fail +
  373. falsealm_cnt->cnt_cck_fail;
  374. }
  375. static void rtl92s_backoff_enable_flag(struct ieee80211_hw *hw)
  376. {
  377. struct rtl_priv *rtlpriv = rtl_priv(hw);
  378. struct dig_t *digtable = &rtlpriv->dm_digtable;
  379. struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt);
  380. if (falsealm_cnt->cnt_all > digtable->fa_highthresh) {
  381. if ((digtable->back_val - 6) <
  382. digtable->backoffval_range_min)
  383. digtable->back_val = digtable->backoffval_range_min;
  384. else
  385. digtable->back_val -= 6;
  386. } else if (falsealm_cnt->cnt_all < digtable->fa_lowthresh) {
  387. if ((digtable->back_val + 6) >
  388. digtable->backoffval_range_max)
  389. digtable->back_val =
  390. digtable->backoffval_range_max;
  391. else
  392. digtable->back_val += 6;
  393. }
  394. }
  395. static void _rtl92s_dm_initial_gain_sta_beforeconnect(struct ieee80211_hw *hw)
  396. {
  397. struct rtl_priv *rtlpriv = rtl_priv(hw);
  398. struct dig_t *digtable = &rtlpriv->dm_digtable;
  399. struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt);
  400. static u8 initialized, force_write;
  401. u8 initial_gain = 0;
  402. if ((digtable->pre_sta_cstate == digtable->cur_sta_cstate) ||
  403. (digtable->cur_sta_cstate == DIG_STA_BEFORE_CONNECT)) {
  404. if (digtable->cur_sta_cstate == DIG_STA_BEFORE_CONNECT) {
  405. if (rtlpriv->psc.rfpwr_state != ERFON)
  406. return;
  407. if (digtable->backoff_enable_flag)
  408. rtl92s_backoff_enable_flag(hw);
  409. else
  410. digtable->back_val = DM_DIG_BACKOFF_MAX;
  411. if ((digtable->rssi_val + 10 - digtable->back_val) >
  412. digtable->rx_gain_max)
  413. digtable->cur_igvalue =
  414. digtable->rx_gain_max;
  415. else if ((digtable->rssi_val + 10 - digtable->back_val)
  416. < digtable->rx_gain_min)
  417. digtable->cur_igvalue =
  418. digtable->rx_gain_min;
  419. else
  420. digtable->cur_igvalue = digtable->rssi_val + 10
  421. - digtable->back_val;
  422. if (falsealm_cnt->cnt_all > 10000)
  423. digtable->cur_igvalue =
  424. (digtable->cur_igvalue > 0x33) ?
  425. digtable->cur_igvalue : 0x33;
  426. if (falsealm_cnt->cnt_all > 16000)
  427. digtable->cur_igvalue =
  428. digtable->rx_gain_max;
  429. /* connected -> connected or disconnected -> disconnected */
  430. } else {
  431. /* Firmware control DIG, do nothing in driver dm */
  432. return;
  433. }
  434. /* disconnected -> connected or connected ->
  435. * disconnected or beforeconnect->(dis)connected */
  436. } else {
  437. /* Enable FW DIG */
  438. digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
  439. rtl92s_phy_set_fw_cmd(hw, FW_CMD_DIG_ENABLE);
  440. digtable->back_val = DM_DIG_BACKOFF_MAX;
  441. digtable->cur_igvalue = rtlpriv->phy.default_initialgain[0];
  442. digtable->pre_igvalue = 0;
  443. return;
  444. }
  445. /* Forced writing to prevent from fw-dig overwriting. */
  446. if (digtable->pre_igvalue != rtl_get_bbreg(hw, ROFDM0_XAAGCCORE1,
  447. MASKBYTE0))
  448. force_write = 1;
  449. if ((digtable->pre_igvalue != digtable->cur_igvalue) ||
  450. !initialized || force_write) {
  451. /* Disable FW DIG */
  452. rtl92s_phy_set_fw_cmd(hw, FW_CMD_DIG_DISABLE);
  453. initial_gain = (u8)digtable->cur_igvalue;
  454. /* Set initial gain. */
  455. rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, MASKBYTE0, initial_gain);
  456. rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, MASKBYTE0, initial_gain);
  457. digtable->pre_igvalue = digtable->cur_igvalue;
  458. initialized = 1;
  459. force_write = 0;
  460. }
  461. }
  462. static void _rtl92s_dm_ctrl_initgain_bytwoport(struct ieee80211_hw *hw)
  463. {
  464. struct rtl_priv *rtlpriv = rtl_priv(hw);
  465. struct dig_t *dig = &rtlpriv->dm_digtable;
  466. if (rtlpriv->mac80211.act_scanning)
  467. return;
  468. /* Decide the current status and if modify initial gain or not */
  469. if (rtlpriv->mac80211.link_state >= MAC80211_LINKED ||
  470. rtlpriv->mac80211.opmode == NL80211_IFTYPE_ADHOC)
  471. dig->cur_sta_cstate = DIG_STA_CONNECT;
  472. else
  473. dig->cur_sta_cstate = DIG_STA_DISCONNECT;
  474. dig->rssi_val = rtlpriv->dm.undec_sm_pwdb;
  475. /* Change dig mode to rssi */
  476. if (dig->cur_sta_cstate != DIG_STA_DISCONNECT) {
  477. if (dig->dig_twoport_algorithm ==
  478. DIG_TWO_PORT_ALGO_FALSE_ALARM) {
  479. dig->dig_twoport_algorithm = DIG_TWO_PORT_ALGO_RSSI;
  480. rtl92s_phy_set_fw_cmd(hw, FW_CMD_DIG_MODE_SS);
  481. }
  482. }
  483. _rtl92s_dm_false_alarm_counter_statistics(hw);
  484. _rtl92s_dm_initial_gain_sta_beforeconnect(hw);
  485. dig->pre_sta_cstate = dig->cur_sta_cstate;
  486. }
  487. static void _rtl92s_dm_ctrl_initgain_byrssi(struct ieee80211_hw *hw)
  488. {
  489. struct rtl_priv *rtlpriv = rtl_priv(hw);
  490. struct rtl_phy *rtlphy = &(rtlpriv->phy);
  491. struct dig_t *digtable = &rtlpriv->dm_digtable;
  492. /* 2T2R TP issue */
  493. if (rtlphy->rf_type == RF_2T2R)
  494. return;
  495. if (!rtlpriv->dm.dm_initialgain_enable)
  496. return;
  497. if (digtable->dig_enable_flag == false)
  498. return;
  499. _rtl92s_dm_ctrl_initgain_bytwoport(hw);
  500. }
  501. static void _rtl92s_dm_dynamic_txpower(struct ieee80211_hw *hw)
  502. {
  503. struct rtl_priv *rtlpriv = rtl_priv(hw);
  504. struct rtl_phy *rtlphy = &(rtlpriv->phy);
  505. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  506. long undec_sm_pwdb;
  507. long txpwr_threshold_lv1, txpwr_threshold_lv2;
  508. /* 2T2R TP issue */
  509. if (rtlphy->rf_type == RF_2T2R)
  510. return;
  511. if (!rtlpriv->dm.dynamic_txpower_enable ||
  512. rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
  513. rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL;
  514. return;
  515. }
  516. if ((mac->link_state < MAC80211_LINKED) &&
  517. (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
  518. RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
  519. "Not connected to any\n");
  520. rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL;
  521. rtlpriv->dm.last_dtp_lvl = TX_HIGHPWR_LEVEL_NORMAL;
  522. return;
  523. }
  524. if (mac->link_state >= MAC80211_LINKED) {
  525. if (mac->opmode == NL80211_IFTYPE_ADHOC) {
  526. undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
  527. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  528. "AP Client PWDB = 0x%lx\n",
  529. undec_sm_pwdb);
  530. } else {
  531. undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
  532. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  533. "STA Default Port PWDB = 0x%lx\n",
  534. undec_sm_pwdb);
  535. }
  536. } else {
  537. undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
  538. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  539. "AP Ext Port PWDB = 0x%lx\n",
  540. undec_sm_pwdb);
  541. }
  542. txpwr_threshold_lv2 = TX_POWER_NEAR_FIELD_THRESH_LVL2;
  543. txpwr_threshold_lv1 = TX_POWER_NEAR_FIELD_THRESH_LVL1;
  544. if (rtl_get_bbreg(hw, 0xc90, MASKBYTE0) == 1)
  545. rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL;
  546. else if (undec_sm_pwdb >= txpwr_threshold_lv2)
  547. rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL2;
  548. else if ((undec_sm_pwdb < (txpwr_threshold_lv2 - 3)) &&
  549. (undec_sm_pwdb >= txpwr_threshold_lv1))
  550. rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL1;
  551. else if (undec_sm_pwdb < (txpwr_threshold_lv1 - 3))
  552. rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL;
  553. if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl))
  554. rtl92s_phy_set_txpower(hw, rtlphy->current_channel);
  555. rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
  556. }
  557. static void _rtl92s_dm_init_dig(struct ieee80211_hw *hw)
  558. {
  559. struct rtl_priv *rtlpriv = rtl_priv(hw);
  560. struct dig_t *digtable = &rtlpriv->dm_digtable;
  561. /* Disable DIG scheme now.*/
  562. digtable->dig_enable_flag = true;
  563. digtable->backoff_enable_flag = true;
  564. if ((rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER) &&
  565. (hal_get_firmwareversion(rtlpriv) >= 0x3c))
  566. digtable->dig_algorithm = DIG_ALGO_BY_TOW_PORT;
  567. else
  568. digtable->dig_algorithm =
  569. DIG_ALGO_BEFORE_CONNECT_BY_RSSI_AND_ALARM;
  570. digtable->dig_twoport_algorithm = DIG_TWO_PORT_ALGO_RSSI;
  571. digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
  572. /* off=by real rssi value, on=by digtable->rssi_val for new dig */
  573. digtable->dig_dbgmode = DM_DBG_OFF;
  574. digtable->dig_slgorithm_switch = 0;
  575. /* 2007/10/04 MH Define init gain threshol. */
  576. digtable->dig_state = DM_STA_DIG_MAX;
  577. digtable->dig_highpwrstate = DM_STA_DIG_MAX;
  578. digtable->cur_sta_cstate = DIG_STA_DISCONNECT;
  579. digtable->pre_sta_cstate = DIG_STA_DISCONNECT;
  580. digtable->cur_ap_cstate = DIG_AP_DISCONNECT;
  581. digtable->pre_ap_cstate = DIG_AP_DISCONNECT;
  582. digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
  583. digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
  584. digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
  585. digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
  586. digtable->rssi_highpower_lowthresh = DM_DIG_HIGH_PWR_THRESH_LOW;
  587. digtable->rssi_highpower_highthresh = DM_DIG_HIGH_PWR_THRESH_HIGH;
  588. /* for dig debug rssi value */
  589. digtable->rssi_val = 50;
  590. digtable->back_val = DM_DIG_BACKOFF_MAX;
  591. digtable->rx_gain_max = DM_DIG_MAX;
  592. digtable->rx_gain_min = DM_DIG_MIN;
  593. digtable->backoffval_range_max = DM_DIG_BACKOFF_MAX;
  594. digtable->backoffval_range_min = DM_DIG_BACKOFF_MIN;
  595. }
  596. static void _rtl92s_dm_init_dynamic_txpower(struct ieee80211_hw *hw)
  597. {
  598. struct rtl_priv *rtlpriv = rtl_priv(hw);
  599. if ((hal_get_firmwareversion(rtlpriv) >= 60) &&
  600. (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER))
  601. rtlpriv->dm.dynamic_txpower_enable = true;
  602. else
  603. rtlpriv->dm.dynamic_txpower_enable = false;
  604. rtlpriv->dm.last_dtp_lvl = TX_HIGHPWR_LEVEL_NORMAL;
  605. rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL;
  606. }
  607. void rtl92s_dm_init(struct ieee80211_hw *hw)
  608. {
  609. struct rtl_priv *rtlpriv = rtl_priv(hw);
  610. rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
  611. rtlpriv->dm.undec_sm_pwdb = -1;
  612. _rtl92s_dm_init_dynamic_txpower(hw);
  613. rtl92s_dm_init_edca_turbo(hw);
  614. _rtl92s_dm_init_rate_adaptive_mask(hw);
  615. _rtl92s_dm_init_txpowertracking_thermalmeter(hw);
  616. _rtl92s_dm_init_dig(hw);
  617. rtl_write_dword(rtlpriv, WFM5, FW_CCA_CHK_ENABLE);
  618. }
  619. void rtl92s_dm_watchdog(struct ieee80211_hw *hw)
  620. {
  621. _rtl92s_dm_check_edca_turbo(hw);
  622. _rtl92s_dm_check_txpowertracking_thermalmeter(hw);
  623. _rtl92s_dm_ctrl_initgain_byrssi(hw);
  624. _rtl92s_dm_dynamic_txpower(hw);
  625. _rtl92s_dm_refresh_rateadaptive_mask(hw);
  626. _rtl92s_dm_switch_baseband_mrc(hw);
  627. }