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. * You should have received a copy of the GNU General Public License along with
  15. * this program; if not, write to the Free Software Foundation, Inc.,
  16. * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17. *
  18. * The full GNU General Public License is included in this distribution in the
  19. * file called LICENSE.
  20. *
  21. * Contact Information:
  22. * wlanfae <wlanfae@realtek.com>
  23. * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  24. * Hsinchu 300, Taiwan.
  25. *
  26. * Larry Finger <Larry.Finger@lwfinger.net>
  27. *
  28. *****************************************************************************/
  29. #include "../wifi.h"
  30. #include "../base.h"
  31. #include "reg.h"
  32. #include "def.h"
  33. #include "phy.h"
  34. #include "dm.h"
  35. #include "fw.h"
  36. static const u32 edca_setting_dl[PEER_MAX] = {
  37. 0xa44f, /* 0 UNKNOWN */
  38. 0x5ea44f, /* 1 REALTEK_90 */
  39. 0x5ea44f, /* 2 REALTEK_92SE */
  40. 0xa630, /* 3 BROAD */
  41. 0xa44f, /* 4 RAL */
  42. 0xa630, /* 5 ATH */
  43. 0xa630, /* 6 CISCO */
  44. 0xa42b, /* 7 MARV */
  45. };
  46. static const u32 edca_setting_dl_gmode[PEER_MAX] = {
  47. 0x4322, /* 0 UNKNOWN */
  48. 0xa44f, /* 1 REALTEK_90 */
  49. 0x5ea44f, /* 2 REALTEK_92SE */
  50. 0xa42b, /* 3 BROAD */
  51. 0x5e4322, /* 4 RAL */
  52. 0x4322, /* 5 ATH */
  53. 0xa430, /* 6 CISCO */
  54. 0x5ea44f, /* 7 MARV */
  55. };
  56. static const u32 edca_setting_ul[PEER_MAX] = {
  57. 0x5e4322, /* 0 UNKNOWN */
  58. 0xa44f, /* 1 REALTEK_90 */
  59. 0x5ea44f, /* 2 REALTEK_92SE */
  60. 0x5ea322, /* 3 BROAD */
  61. 0x5ea422, /* 4 RAL */
  62. 0x5ea322, /* 5 ATH */
  63. 0x3ea44f, /* 6 CISCO */
  64. 0x5ea44f, /* 7 MARV */
  65. };
  66. static void _rtl92s_dm_check_edca_turbo(struct ieee80211_hw *hw)
  67. {
  68. struct rtl_priv *rtlpriv = rtl_priv(hw);
  69. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  70. static u64 last_txok_cnt;
  71. static u64 last_rxok_cnt;
  72. u64 cur_txok_cnt = 0;
  73. u64 cur_rxok_cnt = 0;
  74. u32 edca_be_ul = edca_setting_ul[mac->vendor];
  75. u32 edca_be_dl = edca_setting_dl[mac->vendor];
  76. u32 edca_gmode = edca_setting_dl_gmode[mac->vendor];
  77. if (mac->link_state != MAC80211_LINKED) {
  78. rtlpriv->dm.current_turbo_edca = false;
  79. goto dm_checkedcaturbo_exit;
  80. }
  81. if ((!rtlpriv->dm.is_any_nonbepkts) &&
  82. (!rtlpriv->dm.disable_framebursting)) {
  83. cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt;
  84. cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - last_rxok_cnt;
  85. if (rtlpriv->phy.rf_type == RF_1T2R) {
  86. if (cur_txok_cnt > 4 * cur_rxok_cnt) {
  87. /* Uplink TP is present. */
  88. if (rtlpriv->dm.is_cur_rdlstate ||
  89. !rtlpriv->dm.current_turbo_edca) {
  90. rtl_write_dword(rtlpriv, EDCAPARA_BE,
  91. edca_be_ul);
  92. rtlpriv->dm.is_cur_rdlstate = false;
  93. }
  94. } else {/* Balance TP is present. */
  95. if (!rtlpriv->dm.is_cur_rdlstate ||
  96. !rtlpriv->dm.current_turbo_edca) {
  97. if (mac->mode == WIRELESS_MODE_G ||
  98. mac->mode == WIRELESS_MODE_B)
  99. rtl_write_dword(rtlpriv,
  100. EDCAPARA_BE,
  101. edca_gmode);
  102. else
  103. rtl_write_dword(rtlpriv,
  104. EDCAPARA_BE,
  105. edca_be_dl);
  106. rtlpriv->dm.is_cur_rdlstate = true;
  107. }
  108. }
  109. rtlpriv->dm.current_turbo_edca = true;
  110. } else {
  111. if (cur_rxok_cnt > 4 * cur_txok_cnt) {
  112. if (!rtlpriv->dm.is_cur_rdlstate ||
  113. !rtlpriv->dm.current_turbo_edca) {
  114. if (mac->mode == WIRELESS_MODE_G ||
  115. mac->mode == WIRELESS_MODE_B)
  116. rtl_write_dword(rtlpriv,
  117. EDCAPARA_BE,
  118. edca_gmode);
  119. else
  120. rtl_write_dword(rtlpriv,
  121. EDCAPARA_BE,
  122. edca_be_dl);
  123. rtlpriv->dm.is_cur_rdlstate = true;
  124. }
  125. } else {
  126. if (rtlpriv->dm.is_cur_rdlstate ||
  127. !rtlpriv->dm.current_turbo_edca) {
  128. rtl_write_dword(rtlpriv, EDCAPARA_BE,
  129. edca_be_ul);
  130. rtlpriv->dm.is_cur_rdlstate = false;
  131. }
  132. }
  133. rtlpriv->dm.current_turbo_edca = true;
  134. }
  135. } else {
  136. if (rtlpriv->dm.current_turbo_edca) {
  137. u8 tmp = AC0_BE;
  138. rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AC_PARAM,
  139. &tmp);
  140. rtlpriv->dm.current_turbo_edca = false;
  141. }
  142. }
  143. dm_checkedcaturbo_exit:
  144. rtlpriv->dm.is_any_nonbepkts = false;
  145. last_txok_cnt = rtlpriv->stats.txbytesunicast;
  146. last_rxok_cnt = rtlpriv->stats.rxbytesunicast;
  147. }
  148. static void _rtl92s_dm_txpowertracking_callback_thermalmeter(
  149. struct ieee80211_hw *hw)
  150. {
  151. struct rtl_priv *rtlpriv = rtl_priv(hw);
  152. struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
  153. u8 thermalvalue = 0;
  154. rtlpriv->dm.txpower_trackinginit = true;
  155. thermalvalue = (u8)rtl_get_rfreg(hw, RF90_PATH_A, RF_T_METER, 0x1f);
  156. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  157. "Readback Thermal Meter = 0x%x pre thermal meter 0x%x eeprom_thermal meter 0x%x\n",
  158. thermalvalue,
  159. rtlpriv->dm.thermalvalue, rtlefuse->eeprom_thermalmeter);
  160. if (thermalvalue) {
  161. rtlpriv->dm.thermalvalue = thermalvalue;
  162. rtl92s_phy_set_fw_cmd(hw, FW_CMD_TXPWR_TRACK_THERMAL);
  163. }
  164. rtlpriv->dm.txpowercount = 0;
  165. }
  166. static void _rtl92s_dm_check_txpowertracking_thermalmeter(
  167. struct ieee80211_hw *hw)
  168. {
  169. struct rtl_priv *rtlpriv = rtl_priv(hw);
  170. struct rtl_phy *rtlphy = &(rtlpriv->phy);
  171. static u8 tm_trigger;
  172. u8 tx_power_checkcnt = 5;
  173. /* 2T2R TP issue */
  174. if (rtlphy->rf_type == RF_2T2R)
  175. return;
  176. if (!rtlpriv->dm.txpower_tracking)
  177. return;
  178. if (rtlpriv->dm.txpowercount <= tx_power_checkcnt) {
  179. rtlpriv->dm.txpowercount++;
  180. return;
  181. }
  182. if (!tm_trigger) {
  183. rtl_set_rfreg(hw, RF90_PATH_A, RF_T_METER,
  184. RFREG_OFFSET_MASK, 0x60);
  185. tm_trigger = 1;
  186. } else {
  187. _rtl92s_dm_txpowertracking_callback_thermalmeter(hw);
  188. tm_trigger = 0;
  189. }
  190. }
  191. static void _rtl92s_dm_refresh_rateadaptive_mask(struct ieee80211_hw *hw)
  192. {
  193. struct rtl_priv *rtlpriv = rtl_priv(hw);
  194. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  195. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  196. struct rate_adaptive *ra = &(rtlpriv->ra);
  197. u32 low_rssi_thresh = 0;
  198. u32 middle_rssi_thresh = 0;
  199. u32 high_rssi_thresh = 0;
  200. struct ieee80211_sta *sta = NULL;
  201. if (is_hal_stop(rtlhal))
  202. return;
  203. if (!rtlpriv->dm.useramask)
  204. return;
  205. if (!rtlpriv->dm.inform_fw_driverctrldm) {
  206. rtl92s_phy_set_fw_cmd(hw, FW_CMD_CTRL_DM_BY_DRIVER);
  207. rtlpriv->dm.inform_fw_driverctrldm = true;
  208. }
  209. rcu_read_lock();
  210. if (mac->opmode == NL80211_IFTYPE_STATION)
  211. sta = get_sta(hw, mac->vif, mac->bssid);
  212. if ((mac->link_state == MAC80211_LINKED) &&
  213. (mac->opmode == NL80211_IFTYPE_STATION)) {
  214. switch (ra->pre_ratr_state) {
  215. case DM_RATR_STA_HIGH:
  216. high_rssi_thresh = 40;
  217. middle_rssi_thresh = 30;
  218. low_rssi_thresh = 20;
  219. break;
  220. case DM_RATR_STA_MIDDLE:
  221. high_rssi_thresh = 44;
  222. middle_rssi_thresh = 30;
  223. low_rssi_thresh = 20;
  224. break;
  225. case DM_RATR_STA_LOW:
  226. high_rssi_thresh = 44;
  227. middle_rssi_thresh = 34;
  228. low_rssi_thresh = 20;
  229. break;
  230. case DM_RATR_STA_ULTRALOW:
  231. high_rssi_thresh = 44;
  232. middle_rssi_thresh = 34;
  233. low_rssi_thresh = 24;
  234. break;
  235. default:
  236. high_rssi_thresh = 44;
  237. middle_rssi_thresh = 34;
  238. low_rssi_thresh = 24;
  239. break;
  240. }
  241. if (rtlpriv->dm.undec_sm_pwdb > (long)high_rssi_thresh) {
  242. ra->ratr_state = DM_RATR_STA_HIGH;
  243. } else if (rtlpriv->dm.undec_sm_pwdb >
  244. (long)middle_rssi_thresh) {
  245. ra->ratr_state = DM_RATR_STA_LOW;
  246. } else if (rtlpriv->dm.undec_sm_pwdb >
  247. (long)low_rssi_thresh) {
  248. ra->ratr_state = DM_RATR_STA_LOW;
  249. } else {
  250. ra->ratr_state = DM_RATR_STA_ULTRALOW;
  251. }
  252. if (ra->pre_ratr_state != ra->ratr_state) {
  253. RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
  254. "RSSI = %ld RSSI_LEVEL = %d PreState = %d, CurState = %d\n",
  255. rtlpriv->dm.undec_sm_pwdb, ra->ratr_state,
  256. ra->pre_ratr_state, ra->ratr_state);
  257. rtlpriv->cfg->ops->update_rate_tbl(hw, sta,
  258. ra->ratr_state);
  259. ra->pre_ratr_state = ra->ratr_state;
  260. }
  261. }
  262. rcu_read_unlock();
  263. }
  264. static void _rtl92s_dm_switch_baseband_mrc(struct ieee80211_hw *hw)
  265. {
  266. struct rtl_priv *rtlpriv = rtl_priv(hw);
  267. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  268. struct rtl_phy *rtlphy = &(rtlpriv->phy);
  269. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  270. bool current_mrc;
  271. bool enable_mrc = true;
  272. long tmpentry_maxpwdb = 0;
  273. u8 rssi_a = 0;
  274. u8 rssi_b = 0;
  275. if (is_hal_stop(rtlhal))
  276. return;
  277. if ((rtlphy->rf_type == RF_1T1R) || (rtlphy->rf_type == RF_2T2R))
  278. return;
  279. rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_MRC, (u8 *)(&current_mrc));
  280. if (mac->link_state >= MAC80211_LINKED) {
  281. if (rtlpriv->dm.undec_sm_pwdb > tmpentry_maxpwdb) {
  282. rssi_a = rtlpriv->stats.rx_rssi_percentage[RF90_PATH_A];
  283. rssi_b = rtlpriv->stats.rx_rssi_percentage[RF90_PATH_B];
  284. }
  285. }
  286. /* MRC settings would NOT affect TP on Wireless B mode. */
  287. if (mac->mode != WIRELESS_MODE_B) {
  288. if ((rssi_a == 0) && (rssi_b == 0)) {
  289. enable_mrc = true;
  290. } else if (rssi_b > 30) {
  291. /* Turn on B-Path */
  292. enable_mrc = true;
  293. } else if (rssi_b < 5) {
  294. /* Turn off B-path */
  295. enable_mrc = false;
  296. /* Take care of RSSI differentiation. */
  297. } else if (rssi_a > 15 && (rssi_a >= rssi_b)) {
  298. if ((rssi_a - rssi_b) > 15)
  299. /* Turn off B-path */
  300. enable_mrc = false;
  301. else if ((rssi_a - rssi_b) < 10)
  302. /* Turn on B-Path */
  303. enable_mrc = true;
  304. else
  305. enable_mrc = current_mrc;
  306. } else {
  307. /* Turn on B-Path */
  308. enable_mrc = true;
  309. }
  310. }
  311. /* Update MRC settings if needed. */
  312. if (enable_mrc != current_mrc)
  313. rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_MRC,
  314. (u8 *)&enable_mrc);
  315. }
  316. void rtl92s_dm_init_edca_turbo(struct ieee80211_hw *hw)
  317. {
  318. struct rtl_priv *rtlpriv = rtl_priv(hw);
  319. rtlpriv->dm.current_turbo_edca = false;
  320. rtlpriv->dm.is_any_nonbepkts = false;
  321. rtlpriv->dm.is_cur_rdlstate = false;
  322. }
  323. static void _rtl92s_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw)
  324. {
  325. struct rtl_priv *rtlpriv = rtl_priv(hw);
  326. struct rate_adaptive *ra = &(rtlpriv->ra);
  327. ra->ratr_state = DM_RATR_STA_MAX;
  328. ra->pre_ratr_state = DM_RATR_STA_MAX;
  329. if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER)
  330. rtlpriv->dm.useramask = true;
  331. else
  332. rtlpriv->dm.useramask = false;
  333. rtlpriv->dm.useramask = false;
  334. rtlpriv->dm.inform_fw_driverctrldm = false;
  335. }
  336. static void _rtl92s_dm_init_txpowertracking_thermalmeter(
  337. struct ieee80211_hw *hw)
  338. {
  339. struct rtl_priv *rtlpriv = rtl_priv(hw);
  340. rtlpriv->dm.txpower_tracking = true;
  341. rtlpriv->dm.txpowercount = 0;
  342. rtlpriv->dm.txpower_trackinginit = false;
  343. }
  344. static void _rtl92s_dm_false_alarm_counter_statistics(struct ieee80211_hw *hw)
  345. {
  346. struct rtl_priv *rtlpriv = rtl_priv(hw);
  347. struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt);
  348. u32 ret_value;
  349. ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER1, MASKDWORD);
  350. falsealm_cnt->cnt_parity_fail = ((ret_value & 0xffff0000) >> 16);
  351. ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER2, MASKDWORD);
  352. falsealm_cnt->cnt_rate_illegal = (ret_value & 0xffff);
  353. falsealm_cnt->cnt_crc8_fail = ((ret_value & 0xffff0000) >> 16);
  354. ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER3, MASKDWORD);
  355. falsealm_cnt->cnt_mcs_fail = (ret_value & 0xffff);
  356. falsealm_cnt->cnt_ofdm_fail = falsealm_cnt->cnt_parity_fail +
  357. falsealm_cnt->cnt_rate_illegal + falsealm_cnt->cnt_crc8_fail +
  358. falsealm_cnt->cnt_mcs_fail;
  359. /* read CCK false alarm */
  360. ret_value = rtl_get_bbreg(hw, 0xc64, MASKDWORD);
  361. falsealm_cnt->cnt_cck_fail = (ret_value & 0xffff);
  362. falsealm_cnt->cnt_all = falsealm_cnt->cnt_ofdm_fail +
  363. falsealm_cnt->cnt_cck_fail;
  364. }
  365. static void rtl92s_backoff_enable_flag(struct ieee80211_hw *hw)
  366. {
  367. struct rtl_priv *rtlpriv = rtl_priv(hw);
  368. struct dig_t *digtable = &rtlpriv->dm_digtable;
  369. struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt);
  370. if (falsealm_cnt->cnt_all > digtable->fa_highthresh) {
  371. if ((digtable->back_val - 6) <
  372. digtable->backoffval_range_min)
  373. digtable->back_val = digtable->backoffval_range_min;
  374. else
  375. digtable->back_val -= 6;
  376. } else if (falsealm_cnt->cnt_all < digtable->fa_lowthresh) {
  377. if ((digtable->back_val + 6) >
  378. digtable->backoffval_range_max)
  379. digtable->back_val =
  380. digtable->backoffval_range_max;
  381. else
  382. digtable->back_val += 6;
  383. }
  384. }
  385. static void _rtl92s_dm_initial_gain_sta_beforeconnect(struct ieee80211_hw *hw)
  386. {
  387. struct rtl_priv *rtlpriv = rtl_priv(hw);
  388. struct dig_t *digtable = &rtlpriv->dm_digtable;
  389. struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt);
  390. static u8 initialized, force_write;
  391. u8 initial_gain = 0;
  392. if ((digtable->pre_sta_cstate == digtable->cur_sta_cstate) ||
  393. (digtable->cur_sta_cstate == DIG_STA_BEFORE_CONNECT)) {
  394. if (digtable->cur_sta_cstate == DIG_STA_BEFORE_CONNECT) {
  395. if (rtlpriv->psc.rfpwr_state != ERFON)
  396. return;
  397. if (digtable->backoff_enable_flag)
  398. rtl92s_backoff_enable_flag(hw);
  399. else
  400. digtable->back_val = DM_DIG_BACKOFF;
  401. if ((digtable->rssi_val + 10 - digtable->back_val) >
  402. digtable->rx_gain_range_max)
  403. digtable->cur_igvalue =
  404. digtable->rx_gain_range_max;
  405. else if ((digtable->rssi_val + 10 - digtable->back_val)
  406. < digtable->rx_gain_range_min)
  407. digtable->cur_igvalue =
  408. digtable->rx_gain_range_min;
  409. else
  410. digtable->cur_igvalue = digtable->rssi_val + 10
  411. - digtable->back_val;
  412. if (falsealm_cnt->cnt_all > 10000)
  413. digtable->cur_igvalue =
  414. (digtable->cur_igvalue > 0x33) ?
  415. digtable->cur_igvalue : 0x33;
  416. if (falsealm_cnt->cnt_all > 16000)
  417. digtable->cur_igvalue =
  418. digtable->rx_gain_range_max;
  419. /* connected -> connected or disconnected -> disconnected */
  420. } else {
  421. /* Firmware control DIG, do nothing in driver dm */
  422. return;
  423. }
  424. /* disconnected -> connected or connected ->
  425. * disconnected or beforeconnect->(dis)connected */
  426. } else {
  427. /* Enable FW DIG */
  428. digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
  429. rtl92s_phy_set_fw_cmd(hw, FW_CMD_DIG_ENABLE);
  430. digtable->back_val = DM_DIG_BACKOFF;
  431. digtable->cur_igvalue = rtlpriv->phy.default_initialgain[0];
  432. digtable->pre_igvalue = 0;
  433. return;
  434. }
  435. /* Forced writing to prevent from fw-dig overwriting. */
  436. if (digtable->pre_igvalue != rtl_get_bbreg(hw, ROFDM0_XAAGCCORE1,
  437. MASKBYTE0))
  438. force_write = 1;
  439. if ((digtable->pre_igvalue != digtable->cur_igvalue) ||
  440. !initialized || force_write) {
  441. /* Disable FW DIG */
  442. rtl92s_phy_set_fw_cmd(hw, FW_CMD_DIG_DISABLE);
  443. initial_gain = (u8)digtable->cur_igvalue;
  444. /* Set initial gain. */
  445. rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, MASKBYTE0, initial_gain);
  446. rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, MASKBYTE0, initial_gain);
  447. digtable->pre_igvalue = digtable->cur_igvalue;
  448. initialized = 1;
  449. force_write = 0;
  450. }
  451. }
  452. static void _rtl92s_dm_ctrl_initgain_bytwoport(struct ieee80211_hw *hw)
  453. {
  454. struct rtl_priv *rtlpriv = rtl_priv(hw);
  455. struct dig_t *dig = &rtlpriv->dm_digtable;
  456. if (rtlpriv->mac80211.act_scanning)
  457. return;
  458. /* Decide the current status and if modify initial gain or not */
  459. if (rtlpriv->mac80211.link_state >= MAC80211_LINKED ||
  460. rtlpriv->mac80211.opmode == NL80211_IFTYPE_ADHOC)
  461. dig->cur_sta_cstate = DIG_STA_CONNECT;
  462. else
  463. dig->cur_sta_cstate = DIG_STA_DISCONNECT;
  464. dig->rssi_val = rtlpriv->dm.undec_sm_pwdb;
  465. /* Change dig mode to rssi */
  466. if (dig->cur_sta_cstate != DIG_STA_DISCONNECT) {
  467. if (dig->dig_twoport_algorithm ==
  468. DIG_TWO_PORT_ALGO_FALSE_ALARM) {
  469. dig->dig_twoport_algorithm = DIG_TWO_PORT_ALGO_RSSI;
  470. rtl92s_phy_set_fw_cmd(hw, FW_CMD_DIG_MODE_SS);
  471. }
  472. }
  473. _rtl92s_dm_false_alarm_counter_statistics(hw);
  474. _rtl92s_dm_initial_gain_sta_beforeconnect(hw);
  475. dig->pre_sta_cstate = dig->cur_sta_cstate;
  476. }
  477. static void _rtl92s_dm_ctrl_initgain_byrssi(struct ieee80211_hw *hw)
  478. {
  479. struct rtl_priv *rtlpriv = rtl_priv(hw);
  480. struct rtl_phy *rtlphy = &(rtlpriv->phy);
  481. struct dig_t *digtable = &rtlpriv->dm_digtable;
  482. /* 2T2R TP issue */
  483. if (rtlphy->rf_type == RF_2T2R)
  484. return;
  485. if (!rtlpriv->dm.dm_initialgain_enable)
  486. return;
  487. if (digtable->dig_enable_flag == false)
  488. return;
  489. _rtl92s_dm_ctrl_initgain_bytwoport(hw);
  490. }
  491. static void _rtl92s_dm_dynamic_txpower(struct ieee80211_hw *hw)
  492. {
  493. struct rtl_priv *rtlpriv = rtl_priv(hw);
  494. struct rtl_phy *rtlphy = &(rtlpriv->phy);
  495. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  496. long undec_sm_pwdb;
  497. long txpwr_threshold_lv1, txpwr_threshold_lv2;
  498. /* 2T2R TP issue */
  499. if (rtlphy->rf_type == RF_2T2R)
  500. return;
  501. if (!rtlpriv->dm.dynamic_txpower_enable ||
  502. rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
  503. rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL;
  504. return;
  505. }
  506. if ((mac->link_state < MAC80211_LINKED) &&
  507. (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
  508. RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
  509. "Not connected to any\n");
  510. rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL;
  511. rtlpriv->dm.last_dtp_lvl = TX_HIGHPWR_LEVEL_NORMAL;
  512. return;
  513. }
  514. if (mac->link_state >= MAC80211_LINKED) {
  515. if (mac->opmode == NL80211_IFTYPE_ADHOC) {
  516. undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
  517. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  518. "AP Client PWDB = 0x%lx\n",
  519. undec_sm_pwdb);
  520. } else {
  521. undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
  522. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  523. "STA Default Port PWDB = 0x%lx\n",
  524. undec_sm_pwdb);
  525. }
  526. } else {
  527. undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
  528. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  529. "AP Ext Port PWDB = 0x%lx\n",
  530. undec_sm_pwdb);
  531. }
  532. txpwr_threshold_lv2 = TX_POWER_NEAR_FIELD_THRESH_LVL2;
  533. txpwr_threshold_lv1 = TX_POWER_NEAR_FIELD_THRESH_LVL1;
  534. if (rtl_get_bbreg(hw, 0xc90, MASKBYTE0) == 1)
  535. rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL;
  536. else if (undec_sm_pwdb >= txpwr_threshold_lv2)
  537. rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL2;
  538. else if ((undec_sm_pwdb < (txpwr_threshold_lv2 - 3)) &&
  539. (undec_sm_pwdb >= txpwr_threshold_lv1))
  540. rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL1;
  541. else if (undec_sm_pwdb < (txpwr_threshold_lv1 - 3))
  542. rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL;
  543. if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl))
  544. rtl92s_phy_set_txpower(hw, rtlphy->current_channel);
  545. rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
  546. }
  547. static void _rtl92s_dm_init_dig(struct ieee80211_hw *hw)
  548. {
  549. struct rtl_priv *rtlpriv = rtl_priv(hw);
  550. struct dig_t *digtable = &rtlpriv->dm_digtable;
  551. /* Disable DIG scheme now.*/
  552. digtable->dig_enable_flag = true;
  553. digtable->backoff_enable_flag = true;
  554. if ((rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER) &&
  555. (hal_get_firmwareversion(rtlpriv) >= 0x3c))
  556. digtable->dig_algorithm = DIG_ALGO_BY_TOW_PORT;
  557. else
  558. digtable->dig_algorithm =
  559. DIG_ALGO_BEFORE_CONNECT_BY_RSSI_AND_ALARM;
  560. digtable->dig_twoport_algorithm = DIG_TWO_PORT_ALGO_RSSI;
  561. digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
  562. /* off=by real rssi value, on=by digtable->rssi_val for new dig */
  563. digtable->dig_dbgmode = DM_DBG_OFF;
  564. digtable->dig_slgorithm_switch = 0;
  565. /* 2007/10/04 MH Define init gain threshol. */
  566. digtable->dig_state = DM_STA_DIG_MAX;
  567. digtable->dig_highpwrstate = DM_STA_DIG_MAX;
  568. digtable->cur_sta_cstate = DIG_STA_DISCONNECT;
  569. digtable->pre_sta_cstate = DIG_STA_DISCONNECT;
  570. digtable->cur_ap_cstate = DIG_AP_DISCONNECT;
  571. digtable->pre_ap_cstate = DIG_AP_DISCONNECT;
  572. digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
  573. digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
  574. digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
  575. digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
  576. digtable->rssi_highpower_lowthresh = DM_DIG_HIGH_PWR_THRESH_LOW;
  577. digtable->rssi_highpower_highthresh = DM_DIG_HIGH_PWR_THRESH_HIGH;
  578. /* for dig debug rssi value */
  579. digtable->rssi_val = 50;
  580. digtable->back_val = DM_DIG_BACKOFF;
  581. digtable->rx_gain_range_max = DM_DIG_MAX;
  582. digtable->rx_gain_range_min = DM_DIG_MIN;
  583. digtable->backoffval_range_max = DM_DIG_BACKOFF_MAX;
  584. digtable->backoffval_range_min = DM_DIG_BACKOFF_MIN;
  585. }
  586. static void _rtl92s_dm_init_dynamic_txpower(struct ieee80211_hw *hw)
  587. {
  588. struct rtl_priv *rtlpriv = rtl_priv(hw);
  589. if ((hal_get_firmwareversion(rtlpriv) >= 60) &&
  590. (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER))
  591. rtlpriv->dm.dynamic_txpower_enable = true;
  592. else
  593. rtlpriv->dm.dynamic_txpower_enable = false;
  594. rtlpriv->dm.last_dtp_lvl = TX_HIGHPWR_LEVEL_NORMAL;
  595. rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL;
  596. }
  597. void rtl92s_dm_init(struct ieee80211_hw *hw)
  598. {
  599. struct rtl_priv *rtlpriv = rtl_priv(hw);
  600. rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
  601. rtlpriv->dm.undec_sm_pwdb = -1;
  602. _rtl92s_dm_init_dynamic_txpower(hw);
  603. rtl92s_dm_init_edca_turbo(hw);
  604. _rtl92s_dm_init_rate_adaptive_mask(hw);
  605. _rtl92s_dm_init_txpowertracking_thermalmeter(hw);
  606. _rtl92s_dm_init_dig(hw);
  607. rtl_write_dword(rtlpriv, WFM5, FW_CCA_CHK_ENABLE);
  608. }
  609. void rtl92s_dm_watchdog(struct ieee80211_hw *hw)
  610. {
  611. _rtl92s_dm_check_edca_turbo(hw);
  612. _rtl92s_dm_check_txpowertracking_thermalmeter(hw);
  613. _rtl92s_dm_ctrl_initgain_byrssi(hw);
  614. _rtl92s_dm_dynamic_txpower(hw);
  615. _rtl92s_dm_refresh_rateadaptive_mask(hw);
  616. _rtl92s_dm_switch_baseband_mrc(hw);
  617. }