dm_common.c 53 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 <linux/export.h>
  30. #include "dm_common.h"
  31. #include "phy_common.h"
  32. #include "../pci.h"
  33. #include "../base.h"
  34. #include "../core.h"
  35. #define BT_RSSI_STATE_NORMAL_POWER BIT_OFFSET_LEN_MASK_32(0, 1)
  36. #define BT_RSSI_STATE_AMDPU_OFF BIT_OFFSET_LEN_MASK_32(1, 1)
  37. #define BT_RSSI_STATE_SPECIAL_LOW BIT_OFFSET_LEN_MASK_32(2, 1)
  38. #define BT_RSSI_STATE_BG_EDCA_LOW BIT_OFFSET_LEN_MASK_32(3, 1)
  39. #define BT_RSSI_STATE_TXPOWER_LOW BIT_OFFSET_LEN_MASK_32(4, 1)
  40. #define BT_MASK 0x00ffffff
  41. #define RTLPRIV (struct rtl_priv *)
  42. #define GET_UNDECORATED_AVERAGE_RSSI(_priv) \
  43. ((RTLPRIV(_priv))->mac80211.opmode == \
  44. NL80211_IFTYPE_ADHOC) ? \
  45. ((RTLPRIV(_priv))->dm.entry_min_undec_sm_pwdb) : \
  46. ((RTLPRIV(_priv))->dm.undec_sm_pwdb)
  47. static const u32 ofdmswing_table[OFDM_TABLE_SIZE] = {
  48. 0x7f8001fe,
  49. 0x788001e2,
  50. 0x71c001c7,
  51. 0x6b8001ae,
  52. 0x65400195,
  53. 0x5fc0017f,
  54. 0x5a400169,
  55. 0x55400155,
  56. 0x50800142,
  57. 0x4c000130,
  58. 0x47c0011f,
  59. 0x43c0010f,
  60. 0x40000100,
  61. 0x3c8000f2,
  62. 0x390000e4,
  63. 0x35c000d7,
  64. 0x32c000cb,
  65. 0x300000c0,
  66. 0x2d4000b5,
  67. 0x2ac000ab,
  68. 0x288000a2,
  69. 0x26000098,
  70. 0x24000090,
  71. 0x22000088,
  72. 0x20000080,
  73. 0x1e400079,
  74. 0x1c800072,
  75. 0x1b00006c,
  76. 0x19800066,
  77. 0x18000060,
  78. 0x16c0005b,
  79. 0x15800056,
  80. 0x14400051,
  81. 0x1300004c,
  82. 0x12000048,
  83. 0x11000044,
  84. 0x10000040,
  85. };
  86. static const u8 cckswing_table_ch1ch13[CCK_TABLE_SIZE][8] = {
  87. {0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04},
  88. {0x33, 0x32, 0x2b, 0x23, 0x1a, 0x11, 0x08, 0x04},
  89. {0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x03},
  90. {0x2d, 0x2d, 0x27, 0x1f, 0x18, 0x0f, 0x08, 0x03},
  91. {0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03},
  92. {0x28, 0x28, 0x22, 0x1c, 0x15, 0x0d, 0x07, 0x03},
  93. {0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03},
  94. {0x24, 0x23, 0x1f, 0x19, 0x13, 0x0c, 0x06, 0x03},
  95. {0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02},
  96. {0x20, 0x20, 0x1b, 0x16, 0x11, 0x08, 0x05, 0x02},
  97. {0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02},
  98. {0x1d, 0x1c, 0x18, 0x14, 0x0f, 0x0a, 0x05, 0x02},
  99. {0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02},
  100. {0x1a, 0x19, 0x16, 0x12, 0x0d, 0x09, 0x04, 0x02},
  101. {0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02},
  102. {0x17, 0x16, 0x13, 0x10, 0x0c, 0x08, 0x04, 0x02},
  103. {0x16, 0x15, 0x12, 0x0f, 0x0b, 0x07, 0x04, 0x01},
  104. {0x14, 0x14, 0x11, 0x0e, 0x0b, 0x07, 0x03, 0x02},
  105. {0x13, 0x13, 0x10, 0x0d, 0x0a, 0x06, 0x03, 0x01},
  106. {0x12, 0x12, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01},
  107. {0x11, 0x11, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01},
  108. {0x10, 0x10, 0x0e, 0x0b, 0x08, 0x05, 0x03, 0x01},
  109. {0x0f, 0x0f, 0x0d, 0x0b, 0x08, 0x05, 0x03, 0x01},
  110. {0x0e, 0x0e, 0x0c, 0x0a, 0x08, 0x05, 0x02, 0x01},
  111. {0x0d, 0x0d, 0x0c, 0x0a, 0x07, 0x05, 0x02, 0x01},
  112. {0x0d, 0x0c, 0x0b, 0x09, 0x07, 0x04, 0x02, 0x01},
  113. {0x0c, 0x0c, 0x0a, 0x09, 0x06, 0x04, 0x02, 0x01},
  114. {0x0b, 0x0b, 0x0a, 0x08, 0x06, 0x04, 0x02, 0x01},
  115. {0x0b, 0x0a, 0x09, 0x08, 0x06, 0x04, 0x02, 0x01},
  116. {0x0a, 0x0a, 0x09, 0x07, 0x05, 0x03, 0x02, 0x01},
  117. {0x0a, 0x09, 0x08, 0x07, 0x05, 0x03, 0x02, 0x01},
  118. {0x09, 0x09, 0x08, 0x06, 0x05, 0x03, 0x01, 0x01},
  119. {0x09, 0x08, 0x07, 0x06, 0x04, 0x03, 0x01, 0x01}
  120. };
  121. static const u8 cckswing_table_ch14[CCK_TABLE_SIZE][8] = {
  122. {0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00},
  123. {0x33, 0x32, 0x2b, 0x19, 0x00, 0x00, 0x00, 0x00},
  124. {0x30, 0x2f, 0x29, 0x18, 0x00, 0x00, 0x00, 0x00},
  125. {0x2d, 0x2d, 0x17, 0x17, 0x00, 0x00, 0x00, 0x00},
  126. {0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00},
  127. {0x28, 0x28, 0x24, 0x14, 0x00, 0x00, 0x00, 0x00},
  128. {0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00},
  129. {0x24, 0x23, 0x1f, 0x12, 0x00, 0x00, 0x00, 0x00},
  130. {0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00},
  131. {0x20, 0x20, 0x1b, 0x10, 0x00, 0x00, 0x00, 0x00},
  132. {0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00},
  133. {0x1d, 0x1c, 0x18, 0x0e, 0x00, 0x00, 0x00, 0x00},
  134. {0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00},
  135. {0x1a, 0x19, 0x16, 0x0d, 0x00, 0x00, 0x00, 0x00},
  136. {0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00},
  137. {0x17, 0x16, 0x13, 0x0b, 0x00, 0x00, 0x00, 0x00},
  138. {0x16, 0x15, 0x12, 0x0b, 0x00, 0x00, 0x00, 0x00},
  139. {0x14, 0x14, 0x11, 0x0a, 0x00, 0x00, 0x00, 0x00},
  140. {0x13, 0x13, 0x10, 0x0a, 0x00, 0x00, 0x00, 0x00},
  141. {0x12, 0x12, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00},
  142. {0x11, 0x11, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00},
  143. {0x10, 0x10, 0x0e, 0x08, 0x00, 0x00, 0x00, 0x00},
  144. {0x0f, 0x0f, 0x0d, 0x08, 0x00, 0x00, 0x00, 0x00},
  145. {0x0e, 0x0e, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00},
  146. {0x0d, 0x0d, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00},
  147. {0x0d, 0x0c, 0x0b, 0x06, 0x00, 0x00, 0x00, 0x00},
  148. {0x0c, 0x0c, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00},
  149. {0x0b, 0x0b, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00},
  150. {0x0b, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00},
  151. {0x0a, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00},
  152. {0x0a, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00},
  153. {0x09, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00},
  154. {0x09, 0x08, 0x07, 0x04, 0x00, 0x00, 0x00, 0x00}
  155. };
  156. static u32 power_index_reg[6] = {0xc90, 0xc91, 0xc92, 0xc98, 0xc99, 0xc9a};
  157. void dm_restorepowerindex(struct ieee80211_hw *hw)
  158. {
  159. struct rtl_priv *rtlpriv = rtl_priv(hw);
  160. u8 index;
  161. for (index = 0; index < 6; index++)
  162. rtl_write_byte(rtlpriv, power_index_reg[index],
  163. rtlpriv->dm.powerindex_backup[index]);
  164. }
  165. EXPORT_SYMBOL_GPL(dm_restorepowerindex);
  166. void dm_writepowerindex(struct ieee80211_hw *hw, u8 value)
  167. {
  168. struct rtl_priv *rtlpriv = rtl_priv(hw);
  169. u8 index;
  170. for (index = 0; index < 6; index++)
  171. rtl_write_byte(rtlpriv, power_index_reg[index], value);
  172. }
  173. EXPORT_SYMBOL_GPL(dm_writepowerindex);
  174. void dm_savepowerindex(struct ieee80211_hw *hw)
  175. {
  176. struct rtl_priv *rtlpriv = rtl_priv(hw);
  177. u8 index;
  178. u8 tmp;
  179. for (index = 0; index < 6; index++) {
  180. tmp = rtl_read_byte(rtlpriv, power_index_reg[index]);
  181. rtlpriv->dm.powerindex_backup[index] = tmp;
  182. }
  183. }
  184. EXPORT_SYMBOL_GPL(dm_savepowerindex);
  185. static u8 rtl92c_dm_initial_gain_min_pwdb(struct ieee80211_hw *hw)
  186. {
  187. struct rtl_priv *rtlpriv = rtl_priv(hw);
  188. struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
  189. long rssi_val_min = 0;
  190. if ((dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) &&
  191. (dm_digtable->cursta_cstate == DIG_STA_CONNECT)) {
  192. if (rtlpriv->dm.entry_min_undec_sm_pwdb != 0)
  193. rssi_val_min =
  194. (rtlpriv->dm.entry_min_undec_sm_pwdb >
  195. rtlpriv->dm.undec_sm_pwdb) ?
  196. rtlpriv->dm.undec_sm_pwdb :
  197. rtlpriv->dm.entry_min_undec_sm_pwdb;
  198. else
  199. rssi_val_min = rtlpriv->dm.undec_sm_pwdb;
  200. } else if (dm_digtable->cursta_cstate == DIG_STA_CONNECT ||
  201. dm_digtable->cursta_cstate == DIG_STA_BEFORE_CONNECT) {
  202. rssi_val_min = rtlpriv->dm.undec_sm_pwdb;
  203. } else if (dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) {
  204. rssi_val_min = rtlpriv->dm.entry_min_undec_sm_pwdb;
  205. }
  206. if (rssi_val_min > 100)
  207. rssi_val_min = 100;
  208. return (u8)rssi_val_min;
  209. }
  210. static void rtl92c_dm_false_alarm_counter_statistics(struct ieee80211_hw *hw)
  211. {
  212. u32 ret_value;
  213. struct rtl_priv *rtlpriv = rtl_priv(hw);
  214. struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt);
  215. ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER1, MASKDWORD);
  216. falsealm_cnt->cnt_parity_fail = ((ret_value & 0xffff0000) >> 16);
  217. ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER2, MASKDWORD);
  218. falsealm_cnt->cnt_rate_illegal = (ret_value & 0xffff);
  219. falsealm_cnt->cnt_crc8_fail = ((ret_value & 0xffff0000) >> 16);
  220. ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER3, MASKDWORD);
  221. falsealm_cnt->cnt_mcs_fail = (ret_value & 0xffff);
  222. ret_value = rtl_get_bbreg(hw, ROFDM0_FRAMESYNC, MASKDWORD);
  223. falsealm_cnt->cnt_fast_fsync_fail = (ret_value & 0xffff);
  224. falsealm_cnt->cnt_sb_search_fail = ((ret_value & 0xffff0000) >> 16);
  225. falsealm_cnt->cnt_ofdm_fail = falsealm_cnt->cnt_parity_fail +
  226. falsealm_cnt->cnt_rate_illegal +
  227. falsealm_cnt->cnt_crc8_fail +
  228. falsealm_cnt->cnt_mcs_fail +
  229. falsealm_cnt->cnt_fast_fsync_fail +
  230. falsealm_cnt->cnt_sb_search_fail;
  231. rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, BIT(14), 1);
  232. ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERLOWER, MASKBYTE0);
  233. falsealm_cnt->cnt_cck_fail = ret_value;
  234. ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERUPPER, MASKBYTE3);
  235. falsealm_cnt->cnt_cck_fail += (ret_value & 0xff) << 8;
  236. falsealm_cnt->cnt_all = (falsealm_cnt->cnt_parity_fail +
  237. falsealm_cnt->cnt_rate_illegal +
  238. falsealm_cnt->cnt_crc8_fail +
  239. falsealm_cnt->cnt_mcs_fail +
  240. falsealm_cnt->cnt_cck_fail);
  241. rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 1);
  242. rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 0);
  243. rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 0);
  244. rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 2);
  245. RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
  246. "cnt_parity_fail = %d, cnt_rate_illegal = %d, cnt_crc8_fail = %d, cnt_mcs_fail = %d\n",
  247. falsealm_cnt->cnt_parity_fail,
  248. falsealm_cnt->cnt_rate_illegal,
  249. falsealm_cnt->cnt_crc8_fail, falsealm_cnt->cnt_mcs_fail);
  250. RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
  251. "cnt_ofdm_fail = %x, cnt_cck_fail = %x, cnt_all = %x\n",
  252. falsealm_cnt->cnt_ofdm_fail,
  253. falsealm_cnt->cnt_cck_fail, falsealm_cnt->cnt_all);
  254. }
  255. static void rtl92c_dm_ctrl_initgain_by_fa(struct ieee80211_hw *hw)
  256. {
  257. struct rtl_priv *rtlpriv = rtl_priv(hw);
  258. struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
  259. u8 value_igi = dm_digtable->cur_igvalue;
  260. if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH0)
  261. value_igi--;
  262. else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH1)
  263. value_igi += 0;
  264. else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH2)
  265. value_igi++;
  266. else if (rtlpriv->falsealm_cnt.cnt_all >= DM_DIG_FA_TH2)
  267. value_igi += 2;
  268. if (value_igi > DM_DIG_FA_UPPER)
  269. value_igi = DM_DIG_FA_UPPER;
  270. else if (value_igi < DM_DIG_FA_LOWER)
  271. value_igi = DM_DIG_FA_LOWER;
  272. if (rtlpriv->falsealm_cnt.cnt_all > 10000)
  273. value_igi = DM_DIG_FA_UPPER;
  274. dm_digtable->cur_igvalue = value_igi;
  275. rtl92c_dm_write_dig(hw);
  276. }
  277. static void rtl92c_dm_ctrl_initgain_by_rssi(struct ieee80211_hw *hw)
  278. {
  279. struct rtl_priv *rtlpriv = rtl_priv(hw);
  280. struct dig_t *digtable = &rtlpriv->dm_digtable;
  281. u32 isbt;
  282. /* modify DIG lower bound, deal with abnormally large false alarm */
  283. if (rtlpriv->falsealm_cnt.cnt_all > 10000) {
  284. digtable->large_fa_hit++;
  285. if (digtable->forbidden_igi < digtable->cur_igvalue) {
  286. digtable->forbidden_igi = digtable->cur_igvalue;
  287. digtable->large_fa_hit = 1;
  288. }
  289. if (digtable->large_fa_hit >= 3) {
  290. if ((digtable->forbidden_igi + 1) >
  291. digtable->rx_gain_max)
  292. digtable->rx_gain_min = digtable->rx_gain_max;
  293. else
  294. digtable->rx_gain_min = (digtable->forbidden_igi + 1);
  295. digtable->recover_cnt = 3600; /* 3600=2hr */
  296. }
  297. } else {
  298. /* Recovery mechanism for IGI lower bound */
  299. if (digtable->recover_cnt != 0) {
  300. digtable->recover_cnt--;
  301. } else {
  302. if (digtable->large_fa_hit == 0) {
  303. if ((digtable->forbidden_igi-1) < DM_DIG_MIN) {
  304. digtable->forbidden_igi = DM_DIG_MIN;
  305. digtable->rx_gain_min = DM_DIG_MIN;
  306. } else {
  307. digtable->forbidden_igi--;
  308. digtable->rx_gain_min = digtable->forbidden_igi + 1;
  309. }
  310. } else if (digtable->large_fa_hit == 3) {
  311. digtable->large_fa_hit = 0;
  312. }
  313. }
  314. }
  315. if (rtlpriv->falsealm_cnt.cnt_all < 250) {
  316. isbt = rtl_read_byte(rtlpriv, 0x4fd) & 0x01;
  317. if (!isbt) {
  318. if (rtlpriv->falsealm_cnt.cnt_all >
  319. digtable->fa_lowthresh) {
  320. if ((digtable->back_val - 2) <
  321. digtable->back_range_min)
  322. digtable->back_val = digtable->back_range_min;
  323. else
  324. digtable->back_val -= 2;
  325. } else if (rtlpriv->falsealm_cnt.cnt_all <
  326. digtable->fa_lowthresh) {
  327. if ((digtable->back_val + 2) >
  328. digtable->back_range_max)
  329. digtable->back_val = digtable->back_range_max;
  330. else
  331. digtable->back_val += 2;
  332. }
  333. } else {
  334. digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
  335. }
  336. } else {
  337. /* Adjust initial gain by false alarm */
  338. if (rtlpriv->falsealm_cnt.cnt_all > 1000)
  339. digtable->cur_igvalue = digtable->pre_igvalue + 2;
  340. else if (rtlpriv->falsealm_cnt.cnt_all > 750)
  341. digtable->cur_igvalue = digtable->pre_igvalue + 1;
  342. else if (rtlpriv->falsealm_cnt.cnt_all < 500)
  343. digtable->cur_igvalue = digtable->pre_igvalue - 1;
  344. }
  345. /* Check initial gain by upper/lower bound */
  346. if (digtable->cur_igvalue > digtable->rx_gain_max)
  347. digtable->cur_igvalue = digtable->rx_gain_max;
  348. if (digtable->cur_igvalue < digtable->rx_gain_min)
  349. digtable->cur_igvalue = digtable->rx_gain_min;
  350. rtl92c_dm_write_dig(hw);
  351. }
  352. static void rtl92c_dm_initial_gain_multi_sta(struct ieee80211_hw *hw)
  353. {
  354. static u8 initialized; /* initialized to false */
  355. struct rtl_priv *rtlpriv = rtl_priv(hw);
  356. struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
  357. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  358. long rssi_strength = rtlpriv->dm.entry_min_undec_sm_pwdb;
  359. bool multi_sta = false;
  360. if (mac->opmode == NL80211_IFTYPE_ADHOC)
  361. multi_sta = true;
  362. if (!multi_sta ||
  363. dm_digtable->cursta_cstate == DIG_STA_DISCONNECT) {
  364. initialized = false;
  365. dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
  366. return;
  367. } else if (initialized == false) {
  368. initialized = true;
  369. dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
  370. dm_digtable->cur_igvalue = 0x20;
  371. rtl92c_dm_write_dig(hw);
  372. }
  373. if (dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) {
  374. if ((rssi_strength < dm_digtable->rssi_lowthresh) &&
  375. (dm_digtable->dig_ext_port_stage != DIG_EXT_PORT_STAGE_1)) {
  376. if (dm_digtable->dig_ext_port_stage ==
  377. DIG_EXT_PORT_STAGE_2) {
  378. dm_digtable->cur_igvalue = 0x20;
  379. rtl92c_dm_write_dig(hw);
  380. }
  381. dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_1;
  382. } else if (rssi_strength > dm_digtable->rssi_highthresh) {
  383. dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_2;
  384. rtl92c_dm_ctrl_initgain_by_fa(hw);
  385. }
  386. } else if (dm_digtable->dig_ext_port_stage != DIG_EXT_PORT_STAGE_0) {
  387. dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
  388. dm_digtable->cur_igvalue = 0x20;
  389. rtl92c_dm_write_dig(hw);
  390. }
  391. RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
  392. "curmultista_cstate = %x dig_ext_port_stage %x\n",
  393. dm_digtable->curmultista_cstate,
  394. dm_digtable->dig_ext_port_stage);
  395. }
  396. static void rtl92c_dm_initial_gain_sta(struct ieee80211_hw *hw)
  397. {
  398. struct rtl_priv *rtlpriv = rtl_priv(hw);
  399. struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
  400. RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
  401. "presta_cstate = %x, cursta_cstate = %x\n",
  402. dm_digtable->presta_cstate, dm_digtable->cursta_cstate);
  403. if (dm_digtable->presta_cstate == dm_digtable->cursta_cstate ||
  404. dm_digtable->cursta_cstate == DIG_STA_BEFORE_CONNECT ||
  405. dm_digtable->cursta_cstate == DIG_STA_CONNECT) {
  406. if (dm_digtable->cursta_cstate != DIG_STA_DISCONNECT) {
  407. dm_digtable->rssi_val_min =
  408. rtl92c_dm_initial_gain_min_pwdb(hw);
  409. if (dm_digtable->rssi_val_min > 100)
  410. dm_digtable->rssi_val_min = 100;
  411. rtl92c_dm_ctrl_initgain_by_rssi(hw);
  412. }
  413. } else {
  414. dm_digtable->rssi_val_min = 0;
  415. dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
  416. dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
  417. dm_digtable->cur_igvalue = 0x20;
  418. dm_digtable->pre_igvalue = 0;
  419. rtl92c_dm_write_dig(hw);
  420. }
  421. }
  422. static void rtl92c_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
  423. {
  424. struct rtl_priv *rtlpriv = rtl_priv(hw);
  425. struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
  426. if (dm_digtable->cursta_cstate == DIG_STA_CONNECT) {
  427. dm_digtable->rssi_val_min = rtl92c_dm_initial_gain_min_pwdb(hw);
  428. if (dm_digtable->rssi_val_min > 100)
  429. dm_digtable->rssi_val_min = 100;
  430. if (dm_digtable->pre_cck_pd_state == CCK_PD_STAGE_LOWRSSI) {
  431. if (dm_digtable->rssi_val_min <= 25)
  432. dm_digtable->cur_cck_pd_state =
  433. CCK_PD_STAGE_LOWRSSI;
  434. else
  435. dm_digtable->cur_cck_pd_state =
  436. CCK_PD_STAGE_HIGHRSSI;
  437. } else {
  438. if (dm_digtable->rssi_val_min <= 20)
  439. dm_digtable->cur_cck_pd_state =
  440. CCK_PD_STAGE_LOWRSSI;
  441. else
  442. dm_digtable->cur_cck_pd_state =
  443. CCK_PD_STAGE_HIGHRSSI;
  444. }
  445. } else {
  446. dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_MAX;
  447. }
  448. if (dm_digtable->pre_cck_pd_state != dm_digtable->cur_cck_pd_state) {
  449. if ((dm_digtable->cur_cck_pd_state == CCK_PD_STAGE_LOWRSSI) ||
  450. (dm_digtable->cur_cck_pd_state == CCK_PD_STAGE_MAX))
  451. rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0x83);
  452. else
  453. rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0xcd);
  454. dm_digtable->pre_cck_pd_state = dm_digtable->cur_cck_pd_state;
  455. }
  456. }
  457. static void rtl92c_dm_ctrl_initgain_by_twoport(struct ieee80211_hw *hw)
  458. {
  459. struct rtl_priv *rtlpriv = rtl_priv(hw);
  460. struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
  461. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  462. if (mac->act_scanning)
  463. return;
  464. if (mac->link_state >= MAC80211_LINKED)
  465. dm_digtable->cursta_cstate = DIG_STA_CONNECT;
  466. else
  467. dm_digtable->cursta_cstate = DIG_STA_DISCONNECT;
  468. dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
  469. rtl92c_dm_initial_gain_sta(hw);
  470. rtl92c_dm_initial_gain_multi_sta(hw);
  471. rtl92c_dm_cck_packet_detection_thresh(hw);
  472. dm_digtable->presta_cstate = dm_digtable->cursta_cstate;
  473. }
  474. static void rtl92c_dm_dig(struct ieee80211_hw *hw)
  475. {
  476. struct rtl_priv *rtlpriv = rtl_priv(hw);
  477. if (rtlpriv->dm.dm_initialgain_enable == false)
  478. return;
  479. if (!(rtlpriv->dm.dm_flag & DYNAMIC_FUNC_DIG))
  480. return;
  481. rtl92c_dm_ctrl_initgain_by_twoport(hw);
  482. }
  483. static void rtl92c_dm_init_dynamic_txpower(struct ieee80211_hw *hw)
  484. {
  485. struct rtl_priv *rtlpriv = rtl_priv(hw);
  486. if (rtlpriv->rtlhal.interface == INTF_USB &&
  487. rtlpriv->rtlhal.board_type & 0x1) {
  488. dm_savepowerindex(hw);
  489. rtlpriv->dm.dynamic_txpower_enable = true;
  490. } else {
  491. rtlpriv->dm.dynamic_txpower_enable = false;
  492. }
  493. rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
  494. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
  495. }
  496. void rtl92c_dm_write_dig(struct ieee80211_hw *hw)
  497. {
  498. struct rtl_priv *rtlpriv = rtl_priv(hw);
  499. struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
  500. RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD,
  501. "cur_igvalue = 0x%x, pre_igvalue = 0x%x, back_val = %d\n",
  502. dm_digtable->cur_igvalue, dm_digtable->pre_igvalue,
  503. dm_digtable->back_val);
  504. if (rtlpriv->rtlhal.interface == INTF_USB &&
  505. !dm_digtable->dig_enable_flag) {
  506. dm_digtable->pre_igvalue = 0x17;
  507. return;
  508. }
  509. dm_digtable->cur_igvalue -= 1;
  510. if (dm_digtable->cur_igvalue < DM_DIG_MIN)
  511. dm_digtable->cur_igvalue = DM_DIG_MIN;
  512. if (dm_digtable->pre_igvalue != dm_digtable->cur_igvalue) {
  513. rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f,
  514. dm_digtable->cur_igvalue);
  515. rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, 0x7f,
  516. dm_digtable->cur_igvalue);
  517. dm_digtable->pre_igvalue = dm_digtable->cur_igvalue;
  518. }
  519. RT_TRACE(rtlpriv, COMP_DIG, DBG_WARNING,
  520. "dig values 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
  521. dm_digtable->cur_igvalue, dm_digtable->pre_igvalue,
  522. dm_digtable->rssi_val_min, dm_digtable->back_val,
  523. dm_digtable->rx_gain_max, dm_digtable->rx_gain_min,
  524. dm_digtable->large_fa_hit, dm_digtable->forbidden_igi);
  525. }
  526. EXPORT_SYMBOL(rtl92c_dm_write_dig);
  527. static void rtl92c_dm_pwdb_monitor(struct ieee80211_hw *hw)
  528. {
  529. struct rtl_priv *rtlpriv = rtl_priv(hw);
  530. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  531. long tmpentry_max_pwdb = 0, tmpentry_min_pwdb = 0xff;
  532. if (mac->link_state != MAC80211_LINKED)
  533. return;
  534. if (mac->opmode == NL80211_IFTYPE_ADHOC ||
  535. mac->opmode == NL80211_IFTYPE_AP) {
  536. /* TODO: Handle ADHOC and AP Mode */
  537. }
  538. if (tmpentry_max_pwdb != 0)
  539. rtlpriv->dm.entry_max_undec_sm_pwdb = tmpentry_max_pwdb;
  540. else
  541. rtlpriv->dm.entry_max_undec_sm_pwdb = 0;
  542. if (tmpentry_min_pwdb != 0xff)
  543. rtlpriv->dm.entry_min_undec_sm_pwdb = tmpentry_min_pwdb;
  544. else
  545. rtlpriv->dm.entry_min_undec_sm_pwdb = 0;
  546. /* TODO:
  547. * if (mac->opmode == NL80211_IFTYPE_STATION) {
  548. * if (rtlpriv->rtlhal.fw_ready) {
  549. * u32 param = (u32)(rtlpriv->dm.undec_sm_pwdb << 16);
  550. * rtl8192c_set_rssi_cmd(hw, param);
  551. * }
  552. * }
  553. */
  554. }
  555. void rtl92c_dm_init_edca_turbo(struct ieee80211_hw *hw)
  556. {
  557. struct rtl_priv *rtlpriv = rtl_priv(hw);
  558. rtlpriv->dm.current_turbo_edca = false;
  559. rtlpriv->dm.is_any_nonbepkts = false;
  560. rtlpriv->dm.is_cur_rdlstate = false;
  561. }
  562. EXPORT_SYMBOL(rtl92c_dm_init_edca_turbo);
  563. static void rtl92c_dm_check_edca_turbo(struct ieee80211_hw *hw)
  564. {
  565. struct rtl_priv *rtlpriv = rtl_priv(hw);
  566. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  567. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  568. static u64 last_txok_cnt;
  569. static u64 last_rxok_cnt;
  570. static u32 last_bt_edca_ul;
  571. static u32 last_bt_edca_dl;
  572. u64 cur_txok_cnt = 0;
  573. u64 cur_rxok_cnt = 0;
  574. u32 edca_be_ul = 0x5ea42b;
  575. u32 edca_be_dl = 0x5ea42b;
  576. bool bt_change_edca = false;
  577. if ((last_bt_edca_ul != rtlpcipriv->bt_coexist.bt_edca_ul) ||
  578. (last_bt_edca_dl != rtlpcipriv->bt_coexist.bt_edca_dl)) {
  579. rtlpriv->dm.current_turbo_edca = false;
  580. last_bt_edca_ul = rtlpcipriv->bt_coexist.bt_edca_ul;
  581. last_bt_edca_dl = rtlpcipriv->bt_coexist.bt_edca_dl;
  582. }
  583. if (rtlpcipriv->bt_coexist.bt_edca_ul != 0) {
  584. edca_be_ul = rtlpcipriv->bt_coexist.bt_edca_ul;
  585. bt_change_edca = true;
  586. }
  587. if (rtlpcipriv->bt_coexist.bt_edca_dl != 0) {
  588. edca_be_ul = rtlpcipriv->bt_coexist.bt_edca_dl;
  589. bt_change_edca = true;
  590. }
  591. if (mac->link_state != MAC80211_LINKED) {
  592. rtlpriv->dm.current_turbo_edca = false;
  593. return;
  594. }
  595. if ((!mac->ht_enable) && (!rtlpcipriv->bt_coexist.bt_coexistence)) {
  596. if (!(edca_be_ul & 0xffff0000))
  597. edca_be_ul |= 0x005e0000;
  598. if (!(edca_be_dl & 0xffff0000))
  599. edca_be_dl |= 0x005e0000;
  600. }
  601. if ((bt_change_edca) || ((!rtlpriv->dm.is_any_nonbepkts) &&
  602. (!rtlpriv->dm.disable_framebursting))) {
  603. cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt;
  604. cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - last_rxok_cnt;
  605. if (cur_rxok_cnt > 4 * cur_txok_cnt) {
  606. if (!rtlpriv->dm.is_cur_rdlstate ||
  607. !rtlpriv->dm.current_turbo_edca) {
  608. rtl_write_dword(rtlpriv,
  609. REG_EDCA_BE_PARAM,
  610. edca_be_dl);
  611. rtlpriv->dm.is_cur_rdlstate = true;
  612. }
  613. } else {
  614. if (rtlpriv->dm.is_cur_rdlstate ||
  615. !rtlpriv->dm.current_turbo_edca) {
  616. rtl_write_dword(rtlpriv,
  617. REG_EDCA_BE_PARAM,
  618. edca_be_ul);
  619. rtlpriv->dm.is_cur_rdlstate = false;
  620. }
  621. }
  622. rtlpriv->dm.current_turbo_edca = true;
  623. } else {
  624. if (rtlpriv->dm.current_turbo_edca) {
  625. u8 tmp = AC0_BE;
  626. rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AC_PARAM,
  627. &tmp);
  628. rtlpriv->dm.current_turbo_edca = false;
  629. }
  630. }
  631. rtlpriv->dm.is_any_nonbepkts = false;
  632. last_txok_cnt = rtlpriv->stats.txbytesunicast;
  633. last_rxok_cnt = rtlpriv->stats.rxbytesunicast;
  634. }
  635. static void rtl92c_dm_txpower_tracking_callback_thermalmeter(struct ieee80211_hw
  636. *hw)
  637. {
  638. struct rtl_priv *rtlpriv = rtl_priv(hw);
  639. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  640. struct rtl_phy *rtlphy = &(rtlpriv->phy);
  641. struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
  642. u8 thermalvalue, delta, delta_lck, delta_iqk;
  643. long ele_a, ele_d, temp_cck, val_x, value32;
  644. long val_y, ele_c = 0;
  645. u8 ofdm_index[2], ofdm_index_old[2] = {0, 0}, cck_index_old = 0;
  646. s8 cck_index = 0;
  647. int i;
  648. bool is2t = IS_92C_SERIAL(rtlhal->version);
  649. s8 txpwr_level[3] = {0, 0, 0};
  650. u8 ofdm_min_index = 6, rf;
  651. rtlpriv->dm.txpower_trackinginit = true;
  652. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  653. "rtl92c_dm_txpower_tracking_callback_thermalmeter\n");
  654. thermalvalue = (u8) rtl_get_rfreg(hw, RF90_PATH_A, RF_T_METER, 0x1f);
  655. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  656. "Readback Thermal Meter = 0x%x pre thermal meter 0x%x eeprom_thermalmeter 0x%x\n",
  657. thermalvalue, rtlpriv->dm.thermalvalue,
  658. rtlefuse->eeprom_thermalmeter);
  659. rtl92c_phy_ap_calibrate(hw, (thermalvalue -
  660. rtlefuse->eeprom_thermalmeter));
  661. if (is2t)
  662. rf = 2;
  663. else
  664. rf = 1;
  665. if (thermalvalue) {
  666. ele_d = rtl_get_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
  667. MASKDWORD) & MASKOFDM_D;
  668. for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
  669. if (ele_d == (ofdmswing_table[i] & MASKOFDM_D)) {
  670. ofdm_index_old[0] = (u8) i;
  671. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  672. "Initial pathA ele_d reg0x%x = 0x%lx, ofdm_index=0x%x\n",
  673. ROFDM0_XATXIQIMBALANCE,
  674. ele_d, ofdm_index_old[0]);
  675. break;
  676. }
  677. }
  678. if (is2t) {
  679. ele_d = rtl_get_bbreg(hw, ROFDM0_XBTXIQIMBALANCE,
  680. MASKDWORD) & MASKOFDM_D;
  681. for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
  682. if (ele_d == (ofdmswing_table[i] &
  683. MASKOFDM_D)) {
  684. ofdm_index_old[1] = (u8) i;
  685. RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
  686. DBG_LOUD,
  687. "Initial pathB ele_d reg0x%x = 0x%lx, ofdm_index=0x%x\n",
  688. ROFDM0_XBTXIQIMBALANCE, ele_d,
  689. ofdm_index_old[1]);
  690. break;
  691. }
  692. }
  693. }
  694. temp_cck =
  695. rtl_get_bbreg(hw, RCCK0_TXFILTER2, MASKDWORD) & MASKCCK;
  696. for (i = 0; i < CCK_TABLE_LENGTH; i++) {
  697. if (rtlpriv->dm.cck_inch14) {
  698. if (memcmp((void *)&temp_cck,
  699. (void *)&cckswing_table_ch14[i][2],
  700. 4) == 0) {
  701. cck_index_old = (u8) i;
  702. RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
  703. DBG_LOUD,
  704. "Initial reg0x%x = 0x%lx, cck_index=0x%x, ch 14 %d\n",
  705. RCCK0_TXFILTER2, temp_cck,
  706. cck_index_old,
  707. rtlpriv->dm.cck_inch14);
  708. break;
  709. }
  710. } else {
  711. if (memcmp((void *)&temp_cck,
  712. (void *)
  713. &cckswing_table_ch1ch13[i][2],
  714. 4) == 0) {
  715. cck_index_old = (u8) i;
  716. RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
  717. DBG_LOUD,
  718. "Initial reg0x%x = 0x%lx, cck_index=0x%x, ch14 %d\n",
  719. RCCK0_TXFILTER2, temp_cck,
  720. cck_index_old,
  721. rtlpriv->dm.cck_inch14);
  722. break;
  723. }
  724. }
  725. }
  726. if (!rtlpriv->dm.thermalvalue) {
  727. rtlpriv->dm.thermalvalue =
  728. rtlefuse->eeprom_thermalmeter;
  729. rtlpriv->dm.thermalvalue_lck = thermalvalue;
  730. rtlpriv->dm.thermalvalue_iqk = thermalvalue;
  731. for (i = 0; i < rf; i++)
  732. rtlpriv->dm.ofdm_index[i] = ofdm_index_old[i];
  733. rtlpriv->dm.cck_index = cck_index_old;
  734. }
  735. /* Handle USB High PA boards */
  736. delta = (thermalvalue > rtlpriv->dm.thermalvalue) ?
  737. (thermalvalue - rtlpriv->dm.thermalvalue) :
  738. (rtlpriv->dm.thermalvalue - thermalvalue);
  739. delta_lck = (thermalvalue > rtlpriv->dm.thermalvalue_lck) ?
  740. (thermalvalue - rtlpriv->dm.thermalvalue_lck) :
  741. (rtlpriv->dm.thermalvalue_lck - thermalvalue);
  742. delta_iqk = (thermalvalue > rtlpriv->dm.thermalvalue_iqk) ?
  743. (thermalvalue - rtlpriv->dm.thermalvalue_iqk) :
  744. (rtlpriv->dm.thermalvalue_iqk - thermalvalue);
  745. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  746. "Readback Thermal Meter = 0x%x pre thermal meter 0x%x eeprom_thermalmeter 0x%x delta 0x%x delta_lck 0x%x delta_iqk 0x%x\n",
  747. thermalvalue, rtlpriv->dm.thermalvalue,
  748. rtlefuse->eeprom_thermalmeter, delta, delta_lck,
  749. delta_iqk);
  750. if (delta_lck > 1) {
  751. rtlpriv->dm.thermalvalue_lck = thermalvalue;
  752. rtl92c_phy_lc_calibrate(hw);
  753. }
  754. if (delta > 0 && rtlpriv->dm.txpower_track_control) {
  755. if (thermalvalue > rtlpriv->dm.thermalvalue) {
  756. for (i = 0; i < rf; i++)
  757. rtlpriv->dm.ofdm_index[i] -= delta;
  758. rtlpriv->dm.cck_index -= delta;
  759. } else {
  760. for (i = 0; i < rf; i++)
  761. rtlpriv->dm.ofdm_index[i] += delta;
  762. rtlpriv->dm.cck_index += delta;
  763. }
  764. if (is2t) {
  765. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  766. "temp OFDM_A_index=0x%x, OFDM_B_index=0x%x, cck_index=0x%x\n",
  767. rtlpriv->dm.ofdm_index[0],
  768. rtlpriv->dm.ofdm_index[1],
  769. rtlpriv->dm.cck_index);
  770. } else {
  771. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  772. "temp OFDM_A_index=0x%x, cck_index=0x%x\n",
  773. rtlpriv->dm.ofdm_index[0],
  774. rtlpriv->dm.cck_index);
  775. }
  776. if (thermalvalue > rtlefuse->eeprom_thermalmeter) {
  777. for (i = 0; i < rf; i++)
  778. ofdm_index[i] =
  779. rtlpriv->dm.ofdm_index[i]
  780. + 1;
  781. cck_index = rtlpriv->dm.cck_index + 1;
  782. } else {
  783. for (i = 0; i < rf; i++)
  784. ofdm_index[i] =
  785. rtlpriv->dm.ofdm_index[i];
  786. cck_index = rtlpriv->dm.cck_index;
  787. }
  788. for (i = 0; i < rf; i++) {
  789. if (txpwr_level[i] >= 0 &&
  790. txpwr_level[i] <= 26) {
  791. if (thermalvalue >
  792. rtlefuse->eeprom_thermalmeter) {
  793. if (delta < 5)
  794. ofdm_index[i] -= 1;
  795. else
  796. ofdm_index[i] -= 2;
  797. } else if (delta > 5 && thermalvalue <
  798. rtlefuse->
  799. eeprom_thermalmeter) {
  800. ofdm_index[i] += 1;
  801. }
  802. } else if (txpwr_level[i] >= 27 &&
  803. txpwr_level[i] <= 32
  804. && thermalvalue >
  805. rtlefuse->eeprom_thermalmeter) {
  806. if (delta < 5)
  807. ofdm_index[i] -= 1;
  808. else
  809. ofdm_index[i] -= 2;
  810. } else if (txpwr_level[i] >= 32 &&
  811. txpwr_level[i] <= 38 &&
  812. thermalvalue >
  813. rtlefuse->eeprom_thermalmeter
  814. && delta > 5) {
  815. ofdm_index[i] -= 1;
  816. }
  817. }
  818. if (txpwr_level[i] >= 0 && txpwr_level[i] <= 26) {
  819. if (thermalvalue >
  820. rtlefuse->eeprom_thermalmeter) {
  821. if (delta < 5)
  822. cck_index -= 1;
  823. else
  824. cck_index -= 2;
  825. } else if (delta > 5 && thermalvalue <
  826. rtlefuse->eeprom_thermalmeter) {
  827. cck_index += 1;
  828. }
  829. } else if (txpwr_level[i] >= 27 &&
  830. txpwr_level[i] <= 32 &&
  831. thermalvalue >
  832. rtlefuse->eeprom_thermalmeter) {
  833. if (delta < 5)
  834. cck_index -= 1;
  835. else
  836. cck_index -= 2;
  837. } else if (txpwr_level[i] >= 32 &&
  838. txpwr_level[i] <= 38 &&
  839. thermalvalue > rtlefuse->eeprom_thermalmeter
  840. && delta > 5) {
  841. cck_index -= 1;
  842. }
  843. for (i = 0; i < rf; i++) {
  844. if (ofdm_index[i] > OFDM_TABLE_SIZE - 1)
  845. ofdm_index[i] = OFDM_TABLE_SIZE - 1;
  846. else if (ofdm_index[i] < ofdm_min_index)
  847. ofdm_index[i] = ofdm_min_index;
  848. }
  849. if (cck_index > CCK_TABLE_SIZE - 1)
  850. cck_index = CCK_TABLE_SIZE - 1;
  851. else if (cck_index < 0)
  852. cck_index = 0;
  853. if (is2t) {
  854. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  855. "new OFDM_A_index=0x%x, OFDM_B_index=0x%x, cck_index=0x%x\n",
  856. ofdm_index[0], ofdm_index[1],
  857. cck_index);
  858. } else {
  859. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  860. "new OFDM_A_index=0x%x, cck_index=0x%x\n",
  861. ofdm_index[0], cck_index);
  862. }
  863. }
  864. if (rtlpriv->dm.txpower_track_control && delta != 0) {
  865. ele_d =
  866. (ofdmswing_table[ofdm_index[0]] & 0xFFC00000) >> 22;
  867. val_x = rtlphy->reg_e94;
  868. val_y = rtlphy->reg_e9c;
  869. if (val_x != 0) {
  870. if ((val_x & 0x00000200) != 0)
  871. val_x = val_x | 0xFFFFFC00;
  872. ele_a = ((val_x * ele_d) >> 8) & 0x000003FF;
  873. if ((val_y & 0x00000200) != 0)
  874. val_y = val_y | 0xFFFFFC00;
  875. ele_c = ((val_y * ele_d) >> 8) & 0x000003FF;
  876. value32 = (ele_d << 22) |
  877. ((ele_c & 0x3F) << 16) | ele_a;
  878. rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
  879. MASKDWORD, value32);
  880. value32 = (ele_c & 0x000003C0) >> 6;
  881. rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
  882. value32);
  883. value32 = ((val_x * ele_d) >> 7) & 0x01;
  884. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  885. BIT(31), value32);
  886. value32 = ((val_y * ele_d) >> 7) & 0x01;
  887. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  888. BIT(29), value32);
  889. } else {
  890. rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
  891. MASKDWORD,
  892. ofdmswing_table[ofdm_index[0]]);
  893. rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
  894. 0x00);
  895. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  896. BIT(31) | BIT(29), 0x00);
  897. }
  898. if (!rtlpriv->dm.cck_inch14) {
  899. rtl_write_byte(rtlpriv, 0xa22,
  900. cckswing_table_ch1ch13[cck_index]
  901. [0]);
  902. rtl_write_byte(rtlpriv, 0xa23,
  903. cckswing_table_ch1ch13[cck_index]
  904. [1]);
  905. rtl_write_byte(rtlpriv, 0xa24,
  906. cckswing_table_ch1ch13[cck_index]
  907. [2]);
  908. rtl_write_byte(rtlpriv, 0xa25,
  909. cckswing_table_ch1ch13[cck_index]
  910. [3]);
  911. rtl_write_byte(rtlpriv, 0xa26,
  912. cckswing_table_ch1ch13[cck_index]
  913. [4]);
  914. rtl_write_byte(rtlpriv, 0xa27,
  915. cckswing_table_ch1ch13[cck_index]
  916. [5]);
  917. rtl_write_byte(rtlpriv, 0xa28,
  918. cckswing_table_ch1ch13[cck_index]
  919. [6]);
  920. rtl_write_byte(rtlpriv, 0xa29,
  921. cckswing_table_ch1ch13[cck_index]
  922. [7]);
  923. } else {
  924. rtl_write_byte(rtlpriv, 0xa22,
  925. cckswing_table_ch14[cck_index]
  926. [0]);
  927. rtl_write_byte(rtlpriv, 0xa23,
  928. cckswing_table_ch14[cck_index]
  929. [1]);
  930. rtl_write_byte(rtlpriv, 0xa24,
  931. cckswing_table_ch14[cck_index]
  932. [2]);
  933. rtl_write_byte(rtlpriv, 0xa25,
  934. cckswing_table_ch14[cck_index]
  935. [3]);
  936. rtl_write_byte(rtlpriv, 0xa26,
  937. cckswing_table_ch14[cck_index]
  938. [4]);
  939. rtl_write_byte(rtlpriv, 0xa27,
  940. cckswing_table_ch14[cck_index]
  941. [5]);
  942. rtl_write_byte(rtlpriv, 0xa28,
  943. cckswing_table_ch14[cck_index]
  944. [6]);
  945. rtl_write_byte(rtlpriv, 0xa29,
  946. cckswing_table_ch14[cck_index]
  947. [7]);
  948. }
  949. if (is2t) {
  950. ele_d = (ofdmswing_table[ofdm_index[1]] &
  951. 0xFFC00000) >> 22;
  952. val_x = rtlphy->reg_eb4;
  953. val_y = rtlphy->reg_ebc;
  954. if (val_x != 0) {
  955. if ((val_x & 0x00000200) != 0)
  956. val_x = val_x | 0xFFFFFC00;
  957. ele_a = ((val_x * ele_d) >> 8) &
  958. 0x000003FF;
  959. if ((val_y & 0x00000200) != 0)
  960. val_y = val_y | 0xFFFFFC00;
  961. ele_c = ((val_y * ele_d) >> 8) &
  962. 0x00003FF;
  963. value32 = (ele_d << 22) |
  964. ((ele_c & 0x3F) << 16) | ele_a;
  965. rtl_set_bbreg(hw,
  966. ROFDM0_XBTXIQIMBALANCE,
  967. MASKDWORD, value32);
  968. value32 = (ele_c & 0x000003C0) >> 6;
  969. rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
  970. MASKH4BITS, value32);
  971. value32 = ((val_x * ele_d) >> 7) & 0x01;
  972. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  973. BIT(27), value32);
  974. value32 = ((val_y * ele_d) >> 7) & 0x01;
  975. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  976. BIT(25), value32);
  977. } else {
  978. rtl_set_bbreg(hw,
  979. ROFDM0_XBTXIQIMBALANCE,
  980. MASKDWORD,
  981. ofdmswing_table[ofdm_index
  982. [1]]);
  983. rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
  984. MASKH4BITS, 0x00);
  985. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  986. BIT(27) | BIT(25), 0x00);
  987. }
  988. }
  989. }
  990. if (delta_iqk > 3) {
  991. rtlpriv->dm.thermalvalue_iqk = thermalvalue;
  992. rtl92c_phy_iq_calibrate(hw, false);
  993. }
  994. if (rtlpriv->dm.txpower_track_control)
  995. rtlpriv->dm.thermalvalue = thermalvalue;
  996. }
  997. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, "<===\n");
  998. }
  999. static void rtl92c_dm_initialize_txpower_tracking_thermalmeter(
  1000. struct ieee80211_hw *hw)
  1001. {
  1002. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1003. rtlpriv->dm.txpower_tracking = true;
  1004. rtlpriv->dm.txpower_trackinginit = false;
  1005. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  1006. "pMgntInfo->txpower_tracking = %d\n",
  1007. rtlpriv->dm.txpower_tracking);
  1008. }
  1009. static void rtl92c_dm_initialize_txpower_tracking(struct ieee80211_hw *hw)
  1010. {
  1011. rtl92c_dm_initialize_txpower_tracking_thermalmeter(hw);
  1012. }
  1013. static void rtl92c_dm_txpower_tracking_directcall(struct ieee80211_hw *hw)
  1014. {
  1015. rtl92c_dm_txpower_tracking_callback_thermalmeter(hw);
  1016. }
  1017. static void rtl92c_dm_check_txpower_tracking_thermal_meter(
  1018. struct ieee80211_hw *hw)
  1019. {
  1020. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1021. if (!rtlpriv->dm.txpower_tracking)
  1022. return;
  1023. if (!rtlpriv->dm.tm_trigger) {
  1024. rtl_set_rfreg(hw, RF90_PATH_A, RF_T_METER, RFREG_OFFSET_MASK,
  1025. 0x60);
  1026. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  1027. "Trigger 92S Thermal Meter!!\n");
  1028. rtlpriv->dm.tm_trigger = 1;
  1029. return;
  1030. } else {
  1031. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  1032. "Schedule TxPowerTracking direct call!!\n");
  1033. rtl92c_dm_txpower_tracking_directcall(hw);
  1034. rtlpriv->dm.tm_trigger = 0;
  1035. }
  1036. }
  1037. void rtl92c_dm_check_txpower_tracking(struct ieee80211_hw *hw)
  1038. {
  1039. rtl92c_dm_check_txpower_tracking_thermal_meter(hw);
  1040. }
  1041. EXPORT_SYMBOL(rtl92c_dm_check_txpower_tracking);
  1042. void rtl92c_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw)
  1043. {
  1044. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1045. struct rate_adaptive *p_ra = &(rtlpriv->ra);
  1046. p_ra->ratr_state = DM_RATR_STA_INIT;
  1047. p_ra->pre_ratr_state = DM_RATR_STA_INIT;
  1048. if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER)
  1049. rtlpriv->dm.useramask = true;
  1050. else
  1051. rtlpriv->dm.useramask = false;
  1052. }
  1053. EXPORT_SYMBOL(rtl92c_dm_init_rate_adaptive_mask);
  1054. static void rtl92c_dm_init_dynamic_bb_powersaving(struct ieee80211_hw *hw)
  1055. {
  1056. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1057. struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
  1058. dm_pstable->pre_ccastate = CCA_MAX;
  1059. dm_pstable->cur_ccasate = CCA_MAX;
  1060. dm_pstable->pre_rfstate = RF_MAX;
  1061. dm_pstable->cur_rfstate = RF_MAX;
  1062. dm_pstable->rssi_val_min = 0;
  1063. }
  1064. void rtl92c_dm_rf_saving(struct ieee80211_hw *hw, u8 bforce_in_normal)
  1065. {
  1066. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1067. struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
  1068. if (!rtlpriv->reg_init) {
  1069. rtlpriv->reg_874 = (rtl_get_bbreg(hw,
  1070. RFPGA0_XCD_RFINTERFACESW,
  1071. MASKDWORD) & 0x1CC000) >> 14;
  1072. rtlpriv->reg_c70 = (rtl_get_bbreg(hw, ROFDM0_AGCPARAMETER1,
  1073. MASKDWORD) & BIT(3)) >> 3;
  1074. rtlpriv->reg_85c = (rtl_get_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
  1075. MASKDWORD) & 0xFF000000) >> 24;
  1076. rtlpriv->reg_a74 = (rtl_get_bbreg(hw, 0xa74, MASKDWORD) &
  1077. 0xF000) >> 12;
  1078. rtlpriv->reg_init = true;
  1079. }
  1080. if (!bforce_in_normal) {
  1081. if (dm_pstable->rssi_val_min != 0) {
  1082. if (dm_pstable->pre_rfstate == RF_NORMAL) {
  1083. if (dm_pstable->rssi_val_min >= 30)
  1084. dm_pstable->cur_rfstate = RF_SAVE;
  1085. else
  1086. dm_pstable->cur_rfstate = RF_NORMAL;
  1087. } else {
  1088. if (dm_pstable->rssi_val_min <= 25)
  1089. dm_pstable->cur_rfstate = RF_NORMAL;
  1090. else
  1091. dm_pstable->cur_rfstate = RF_SAVE;
  1092. }
  1093. } else {
  1094. dm_pstable->cur_rfstate = RF_MAX;
  1095. }
  1096. } else {
  1097. dm_pstable->cur_rfstate = RF_NORMAL;
  1098. }
  1099. if (dm_pstable->pre_rfstate != dm_pstable->cur_rfstate) {
  1100. if (dm_pstable->cur_rfstate == RF_SAVE) {
  1101. rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
  1102. 0x1C0000, 0x2);
  1103. rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3), 0);
  1104. rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
  1105. 0xFF000000, 0x63);
  1106. rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
  1107. 0xC000, 0x2);
  1108. rtl_set_bbreg(hw, 0xa74, 0xF000, 0x3);
  1109. rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
  1110. rtl_set_bbreg(hw, 0x818, BIT(28), 0x1);
  1111. } else {
  1112. rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
  1113. 0x1CC000, rtlpriv->reg_874);
  1114. rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3),
  1115. rtlpriv->reg_c70);
  1116. rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL, 0xFF000000,
  1117. rtlpriv->reg_85c);
  1118. rtl_set_bbreg(hw, 0xa74, 0xF000, rtlpriv->reg_a74);
  1119. rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
  1120. }
  1121. dm_pstable->pre_rfstate = dm_pstable->cur_rfstate;
  1122. }
  1123. }
  1124. EXPORT_SYMBOL(rtl92c_dm_rf_saving);
  1125. static void rtl92c_dm_dynamic_bb_powersaving(struct ieee80211_hw *hw)
  1126. {
  1127. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1128. struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
  1129. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  1130. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  1131. /* Determine the minimum RSSI */
  1132. if (((mac->link_state == MAC80211_NOLINK)) &&
  1133. (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
  1134. dm_pstable->rssi_val_min = 0;
  1135. RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD, "Not connected to any\n");
  1136. }
  1137. if (mac->link_state == MAC80211_LINKED) {
  1138. if (mac->opmode == NL80211_IFTYPE_ADHOC) {
  1139. dm_pstable->rssi_val_min =
  1140. rtlpriv->dm.entry_min_undec_sm_pwdb;
  1141. RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
  1142. "AP Client PWDB = 0x%lx\n",
  1143. dm_pstable->rssi_val_min);
  1144. } else {
  1145. dm_pstable->rssi_val_min = rtlpriv->dm.undec_sm_pwdb;
  1146. RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
  1147. "STA Default Port PWDB = 0x%lx\n",
  1148. dm_pstable->rssi_val_min);
  1149. }
  1150. } else {
  1151. dm_pstable->rssi_val_min =
  1152. rtlpriv->dm.entry_min_undec_sm_pwdb;
  1153. RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
  1154. "AP Ext Port PWDB = 0x%lx\n",
  1155. dm_pstable->rssi_val_min);
  1156. }
  1157. /* Power Saving for 92C */
  1158. if (IS_92C_SERIAL(rtlhal->version))
  1159. ;/* rtl92c_dm_1r_cca(hw); */
  1160. else
  1161. rtl92c_dm_rf_saving(hw, false);
  1162. }
  1163. void rtl92c_dm_init(struct ieee80211_hw *hw)
  1164. {
  1165. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1166. rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
  1167. rtlpriv->dm.dm_flag = DYNAMIC_FUNC_DISABLE | DYNAMIC_FUNC_DIG;
  1168. rtlpriv->dm.undec_sm_pwdb = -1;
  1169. rtlpriv->dm.undec_sm_cck = -1;
  1170. rtlpriv->dm.dm_initialgain_enable = true;
  1171. rtl_dm_diginit(hw, 0x20);
  1172. rtlpriv->dm.dm_flag |= HAL_DM_HIPWR_DISABLE;
  1173. rtl92c_dm_init_dynamic_txpower(hw);
  1174. rtl92c_dm_init_edca_turbo(hw);
  1175. rtl92c_dm_init_rate_adaptive_mask(hw);
  1176. rtlpriv->dm.dm_flag |= DYNAMIC_FUNC_SS;
  1177. rtl92c_dm_initialize_txpower_tracking(hw);
  1178. rtl92c_dm_init_dynamic_bb_powersaving(hw);
  1179. rtlpriv->dm.ofdm_pkt_cnt = 0;
  1180. rtlpriv->dm.dm_rssi_sel = RSSI_DEFAULT;
  1181. }
  1182. EXPORT_SYMBOL(rtl92c_dm_init);
  1183. void rtl92c_dm_dynamic_txpower(struct ieee80211_hw *hw)
  1184. {
  1185. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1186. struct rtl_phy *rtlphy = &(rtlpriv->phy);
  1187. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  1188. long undec_sm_pwdb;
  1189. if (!rtlpriv->dm.dynamic_txpower_enable)
  1190. return;
  1191. if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
  1192. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
  1193. return;
  1194. }
  1195. if ((mac->link_state < MAC80211_LINKED) &&
  1196. (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
  1197. RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
  1198. "Not connected to any\n");
  1199. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
  1200. rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
  1201. return;
  1202. }
  1203. if (mac->link_state >= MAC80211_LINKED) {
  1204. if (mac->opmode == NL80211_IFTYPE_ADHOC) {
  1205. undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
  1206. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1207. "AP Client PWDB = 0x%lx\n",
  1208. undec_sm_pwdb);
  1209. } else {
  1210. undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
  1211. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1212. "STA Default Port PWDB = 0x%lx\n",
  1213. undec_sm_pwdb);
  1214. }
  1215. } else {
  1216. undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
  1217. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1218. "AP Ext Port PWDB = 0x%lx\n",
  1219. undec_sm_pwdb);
  1220. }
  1221. if (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
  1222. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL2;
  1223. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1224. "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n");
  1225. } else if ((undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
  1226. (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL1)) {
  1227. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
  1228. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1229. "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n");
  1230. } else if (undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) {
  1231. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
  1232. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1233. "TXHIGHPWRLEVEL_NORMAL\n");
  1234. }
  1235. if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
  1236. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1237. "PHY_SetTxPowerLevel8192S() Channel = %d\n",
  1238. rtlphy->current_channel);
  1239. rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel);
  1240. if (rtlpriv->dm.dynamic_txhighpower_lvl ==
  1241. TXHIGHPWRLEVEL_NORMAL)
  1242. dm_restorepowerindex(hw);
  1243. else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
  1244. TXHIGHPWRLEVEL_LEVEL1)
  1245. dm_writepowerindex(hw, 0x14);
  1246. else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
  1247. TXHIGHPWRLEVEL_LEVEL2)
  1248. dm_writepowerindex(hw, 0x10);
  1249. }
  1250. rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
  1251. }
  1252. void rtl92c_dm_watchdog(struct ieee80211_hw *hw)
  1253. {
  1254. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1255. struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
  1256. bool fw_current_inpsmode = false;
  1257. bool fw_ps_awake = true;
  1258. rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS,
  1259. (u8 *) (&fw_current_inpsmode));
  1260. rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FWLPS_RF_ON,
  1261. (u8 *) (&fw_ps_awake));
  1262. if (ppsc->p2p_ps_info.p2p_ps_mode)
  1263. fw_ps_awake = false;
  1264. if ((ppsc->rfpwr_state == ERFON) && ((!fw_current_inpsmode) &&
  1265. fw_ps_awake)
  1266. && (!ppsc->rfchange_inprogress)) {
  1267. rtl92c_dm_pwdb_monitor(hw);
  1268. rtl92c_dm_dig(hw);
  1269. rtl92c_dm_false_alarm_counter_statistics(hw);
  1270. rtl92c_dm_dynamic_bb_powersaving(hw);
  1271. rtl92c_dm_dynamic_txpower(hw);
  1272. rtl92c_dm_check_txpower_tracking(hw);
  1273. /* rtl92c_dm_refresh_rate_adaptive_mask(hw); */
  1274. rtl92c_dm_bt_coexist(hw);
  1275. rtl92c_dm_check_edca_turbo(hw);
  1276. }
  1277. }
  1278. EXPORT_SYMBOL(rtl92c_dm_watchdog);
  1279. u8 rtl92c_bt_rssi_state_change(struct ieee80211_hw *hw)
  1280. {
  1281. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1282. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1283. long undec_sm_pwdb;
  1284. u8 curr_bt_rssi_state = 0x00;
  1285. if (rtlpriv->mac80211.link_state == MAC80211_LINKED) {
  1286. undec_sm_pwdb = GET_UNDECORATED_AVERAGE_RSSI(rtlpriv);
  1287. } else {
  1288. if (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)
  1289. undec_sm_pwdb = 100;
  1290. else
  1291. undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
  1292. }
  1293. /* Check RSSI to determine HighPower/NormalPower state for
  1294. * BT coexistence. */
  1295. if (undec_sm_pwdb >= 67)
  1296. curr_bt_rssi_state &= (~BT_RSSI_STATE_NORMAL_POWER);
  1297. else if (undec_sm_pwdb < 62)
  1298. curr_bt_rssi_state |= BT_RSSI_STATE_NORMAL_POWER;
  1299. /* Check RSSI to determine AMPDU setting for BT coexistence. */
  1300. if (undec_sm_pwdb >= 40)
  1301. curr_bt_rssi_state &= (~BT_RSSI_STATE_AMDPU_OFF);
  1302. else if (undec_sm_pwdb <= 32)
  1303. curr_bt_rssi_state |= BT_RSSI_STATE_AMDPU_OFF;
  1304. /* Marked RSSI state. It will be used to determine BT coexistence
  1305. * setting later. */
  1306. if (undec_sm_pwdb < 35)
  1307. curr_bt_rssi_state |= BT_RSSI_STATE_SPECIAL_LOW;
  1308. else
  1309. curr_bt_rssi_state &= (~BT_RSSI_STATE_SPECIAL_LOW);
  1310. /* Check BT state related to BT_Idle in B/G mode. */
  1311. if (undec_sm_pwdb < 15)
  1312. curr_bt_rssi_state |= BT_RSSI_STATE_BG_EDCA_LOW;
  1313. else
  1314. curr_bt_rssi_state &= (~BT_RSSI_STATE_BG_EDCA_LOW);
  1315. if (curr_bt_rssi_state != rtlpcipriv->bt_coexist.bt_rssi_state) {
  1316. rtlpcipriv->bt_coexist.bt_rssi_state = curr_bt_rssi_state;
  1317. return true;
  1318. } else {
  1319. return false;
  1320. }
  1321. }
  1322. EXPORT_SYMBOL(rtl92c_bt_rssi_state_change);
  1323. static bool rtl92c_bt_state_change(struct ieee80211_hw *hw)
  1324. {
  1325. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1326. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1327. u32 polling, ratio_tx, ratio_pri;
  1328. u32 bt_tx, bt_pri;
  1329. u8 bt_state;
  1330. u8 cur_service_type;
  1331. if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
  1332. return false;
  1333. bt_state = rtl_read_byte(rtlpriv, 0x4fd);
  1334. bt_tx = rtl_read_dword(rtlpriv, 0x488) & BT_MASK;
  1335. bt_pri = rtl_read_dword(rtlpriv, 0x48c) & BT_MASK;
  1336. polling = rtl_read_dword(rtlpriv, 0x490);
  1337. if (bt_tx == BT_MASK && bt_pri == BT_MASK &&
  1338. polling == 0xffffffff && bt_state == 0xff)
  1339. return false;
  1340. bt_state &= BIT_OFFSET_LEN_MASK_32(0, 1);
  1341. if (bt_state != rtlpcipriv->bt_coexist.bt_cur_state) {
  1342. rtlpcipriv->bt_coexist.bt_cur_state = bt_state;
  1343. if (rtlpcipriv->bt_coexist.reg_bt_sco == 3) {
  1344. rtlpcipriv->bt_coexist.bt_service = BT_IDLE;
  1345. bt_state = bt_state |
  1346. ((rtlpcipriv->bt_coexist.bt_ant_isolation == 1) ?
  1347. 0 : BIT_OFFSET_LEN_MASK_32(1, 1)) |
  1348. BIT_OFFSET_LEN_MASK_32(2, 1);
  1349. rtl_write_byte(rtlpriv, 0x4fd, bt_state);
  1350. }
  1351. return true;
  1352. }
  1353. ratio_tx = bt_tx * 1000 / polling;
  1354. ratio_pri = bt_pri * 1000 / polling;
  1355. rtlpcipriv->bt_coexist.ratio_tx = ratio_tx;
  1356. rtlpcipriv->bt_coexist.ratio_pri = ratio_pri;
  1357. if (bt_state && rtlpcipriv->bt_coexist.reg_bt_sco == 3) {
  1358. if ((ratio_tx < 30) && (ratio_pri < 30))
  1359. cur_service_type = BT_IDLE;
  1360. else if ((ratio_pri > 110) && (ratio_pri < 250))
  1361. cur_service_type = BT_SCO;
  1362. else if ((ratio_tx >= 200) && (ratio_pri >= 200))
  1363. cur_service_type = BT_BUSY;
  1364. else if ((ratio_tx >= 350) && (ratio_tx < 500))
  1365. cur_service_type = BT_OTHERBUSY;
  1366. else if (ratio_tx >= 500)
  1367. cur_service_type = BT_PAN;
  1368. else
  1369. cur_service_type = BT_OTHER_ACTION;
  1370. if (cur_service_type != rtlpcipriv->bt_coexist.bt_service) {
  1371. rtlpcipriv->bt_coexist.bt_service = cur_service_type;
  1372. bt_state = bt_state |
  1373. ((rtlpcipriv->bt_coexist.bt_ant_isolation == 1) ?
  1374. 0 : BIT_OFFSET_LEN_MASK_32(1, 1)) |
  1375. ((rtlpcipriv->bt_coexist.bt_service != BT_IDLE) ?
  1376. 0 : BIT_OFFSET_LEN_MASK_32(2, 1));
  1377. /* Add interrupt migration when bt is not ini
  1378. * idle state (no traffic). */
  1379. if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
  1380. rtl_write_word(rtlpriv, 0x504, 0x0ccc);
  1381. rtl_write_byte(rtlpriv, 0x506, 0x54);
  1382. rtl_write_byte(rtlpriv, 0x507, 0x54);
  1383. } else {
  1384. rtl_write_byte(rtlpriv, 0x506, 0x00);
  1385. rtl_write_byte(rtlpriv, 0x507, 0x00);
  1386. }
  1387. rtl_write_byte(rtlpriv, 0x4fd, bt_state);
  1388. return true;
  1389. }
  1390. }
  1391. return false;
  1392. }
  1393. static bool rtl92c_bt_wifi_connect_change(struct ieee80211_hw *hw)
  1394. {
  1395. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1396. static bool media_connect;
  1397. if (rtlpriv->mac80211.link_state < MAC80211_LINKED) {
  1398. media_connect = false;
  1399. } else {
  1400. if (!media_connect) {
  1401. media_connect = true;
  1402. return true;
  1403. }
  1404. media_connect = true;
  1405. }
  1406. return false;
  1407. }
  1408. static void rtl92c_bt_set_normal(struct ieee80211_hw *hw)
  1409. {
  1410. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1411. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1412. if (rtlpcipriv->bt_coexist.bt_service == BT_OTHERBUSY) {
  1413. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea72b;
  1414. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea72b;
  1415. } else if (rtlpcipriv->bt_coexist.bt_service == BT_BUSY) {
  1416. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5eb82f;
  1417. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5eb82f;
  1418. } else if (rtlpcipriv->bt_coexist.bt_service == BT_SCO) {
  1419. if (rtlpcipriv->bt_coexist.ratio_tx > 160) {
  1420. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea72f;
  1421. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea72f;
  1422. } else {
  1423. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea32b;
  1424. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea42b;
  1425. }
  1426. } else {
  1427. rtlpcipriv->bt_coexist.bt_edca_ul = 0;
  1428. rtlpcipriv->bt_coexist.bt_edca_dl = 0;
  1429. }
  1430. if ((rtlpcipriv->bt_coexist.bt_service != BT_IDLE) &&
  1431. (rtlpriv->mac80211.mode == WIRELESS_MODE_G ||
  1432. (rtlpriv->mac80211.mode == (WIRELESS_MODE_G | WIRELESS_MODE_B))) &&
  1433. (rtlpcipriv->bt_coexist.bt_rssi_state &
  1434. BT_RSSI_STATE_BG_EDCA_LOW)) {
  1435. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5eb82b;
  1436. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5eb82b;
  1437. }
  1438. }
  1439. static void rtl92c_bt_ant_isolation(struct ieee80211_hw *hw, u8 tmp1byte)
  1440. {
  1441. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1442. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1443. /* Only enable HW BT coexist when BT in "Busy" state. */
  1444. if (rtlpriv->mac80211.vendor == PEER_CISCO &&
  1445. rtlpcipriv->bt_coexist.bt_service == BT_OTHER_ACTION) {
  1446. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
  1447. } else {
  1448. if ((rtlpcipriv->bt_coexist.bt_service == BT_BUSY) &&
  1449. (rtlpcipriv->bt_coexist.bt_rssi_state &
  1450. BT_RSSI_STATE_NORMAL_POWER)) {
  1451. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
  1452. } else if ((rtlpcipriv->bt_coexist.bt_service ==
  1453. BT_OTHER_ACTION) && (rtlpriv->mac80211.mode <
  1454. WIRELESS_MODE_N_24G) &&
  1455. (rtlpcipriv->bt_coexist.bt_rssi_state &
  1456. BT_RSSI_STATE_SPECIAL_LOW)) {
  1457. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
  1458. } else if (rtlpcipriv->bt_coexist.bt_service == BT_PAN) {
  1459. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte);
  1460. } else {
  1461. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte);
  1462. }
  1463. }
  1464. if (rtlpcipriv->bt_coexist.bt_service == BT_PAN)
  1465. rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x10100);
  1466. else
  1467. rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x0);
  1468. if (rtlpcipriv->bt_coexist.bt_rssi_state &
  1469. BT_RSSI_STATE_NORMAL_POWER) {
  1470. rtl92c_bt_set_normal(hw);
  1471. } else {
  1472. rtlpcipriv->bt_coexist.bt_edca_ul = 0;
  1473. rtlpcipriv->bt_coexist.bt_edca_dl = 0;
  1474. }
  1475. if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
  1476. rtlpriv->cfg->ops->set_rfreg(hw,
  1477. RF90_PATH_A,
  1478. 0x1e,
  1479. 0xf0, 0xf);
  1480. } else {
  1481. rtlpriv->cfg->ops->set_rfreg(hw,
  1482. RF90_PATH_A, 0x1e, 0xf0,
  1483. rtlpcipriv->bt_coexist.bt_rfreg_origin_1e);
  1484. }
  1485. if (!rtlpriv->dm.dynamic_txpower_enable) {
  1486. if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
  1487. if (rtlpcipriv->bt_coexist.bt_rssi_state &
  1488. BT_RSSI_STATE_TXPOWER_LOW) {
  1489. rtlpriv->dm.dynamic_txhighpower_lvl =
  1490. TXHIGHPWRLEVEL_BT2;
  1491. } else {
  1492. rtlpriv->dm.dynamic_txhighpower_lvl =
  1493. TXHIGHPWRLEVEL_BT1;
  1494. }
  1495. } else {
  1496. rtlpriv->dm.dynamic_txhighpower_lvl =
  1497. TXHIGHPWRLEVEL_NORMAL;
  1498. }
  1499. rtl92c_phy_set_txpower_level(hw,
  1500. rtlpriv->phy.current_channel);
  1501. }
  1502. }
  1503. static void rtl92c_check_bt_change(struct ieee80211_hw *hw)
  1504. {
  1505. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1506. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1507. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  1508. u8 tmp1byte = 0;
  1509. if (IS_81XXC_VENDOR_UMC_B_CUT(rtlhal->version) &&
  1510. rtlpcipriv->bt_coexist.bt_coexistence)
  1511. tmp1byte |= BIT(5);
  1512. if (rtlpcipriv->bt_coexist.bt_cur_state) {
  1513. if (rtlpcipriv->bt_coexist.bt_ant_isolation)
  1514. rtl92c_bt_ant_isolation(hw, tmp1byte);
  1515. } else {
  1516. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte);
  1517. rtlpriv->cfg->ops->set_rfreg(hw, RF90_PATH_A, 0x1e, 0xf0,
  1518. rtlpcipriv->bt_coexist.bt_rfreg_origin_1e);
  1519. rtlpcipriv->bt_coexist.bt_edca_ul = 0;
  1520. rtlpcipriv->bt_coexist.bt_edca_dl = 0;
  1521. }
  1522. }
  1523. void rtl92c_dm_bt_coexist(struct ieee80211_hw *hw)
  1524. {
  1525. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1526. bool wifi_connect_change;
  1527. bool bt_state_change;
  1528. bool rssi_state_change;
  1529. if ((rtlpcipriv->bt_coexist.bt_coexistence) &&
  1530. (rtlpcipriv->bt_coexist.bt_coexist_type == BT_CSR_BC4)) {
  1531. wifi_connect_change = rtl92c_bt_wifi_connect_change(hw);
  1532. bt_state_change = rtl92c_bt_state_change(hw);
  1533. rssi_state_change = rtl92c_bt_rssi_state_change(hw);
  1534. if (wifi_connect_change || bt_state_change || rssi_state_change)
  1535. rtl92c_check_bt_change(hw);
  1536. }
  1537. }
  1538. EXPORT_SYMBOL(rtl92c_dm_bt_coexist);