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. struct dig_t dm_digtable;
  35. static struct ps_t dm_pstable;
  36. #define BT_RSSI_STATE_NORMAL_POWER BIT_OFFSET_LEN_MASK_32(0, 1)
  37. #define BT_RSSI_STATE_AMDPU_OFF BIT_OFFSET_LEN_MASK_32(1, 1)
  38. #define BT_RSSI_STATE_SPECIAL_LOW BIT_OFFSET_LEN_MASK_32(2, 1)
  39. #define BT_RSSI_STATE_BG_EDCA_LOW BIT_OFFSET_LEN_MASK_32(3, 1)
  40. #define BT_RSSI_STATE_TXPOWER_LOW BIT_OFFSET_LEN_MASK_32(4, 1)
  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_undecoratedsmoothed_pwdb) : \
  46. ((RTLPRIV(_priv))->dm.undecorated_smoothed_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 void rtl92c_dm_diginit(struct ieee80211_hw *hw)
  157. {
  158. dm_digtable.dig_enable_flag = true;
  159. dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
  160. dm_digtable.cur_igvalue = 0x20;
  161. dm_digtable.pre_igvalue = 0x0;
  162. dm_digtable.cursta_connectctate = DIG_STA_DISCONNECT;
  163. dm_digtable.presta_connectstate = DIG_STA_DISCONNECT;
  164. dm_digtable.curmultista_connectstate = DIG_MULTISTA_DISCONNECT;
  165. dm_digtable.rssi_lowthresh = DM_DIG_THRESH_LOW;
  166. dm_digtable.rssi_highthresh = DM_DIG_THRESH_HIGH;
  167. dm_digtable.fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
  168. dm_digtable.fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
  169. dm_digtable.rx_gain_range_max = DM_DIG_MAX;
  170. dm_digtable.rx_gain_range_min = DM_DIG_MIN;
  171. dm_digtable.backoff_val = DM_DIG_BACKOFF_DEFAULT;
  172. dm_digtable.backoff_val_range_max = DM_DIG_BACKOFF_MAX;
  173. dm_digtable.backoff_val_range_min = DM_DIG_BACKOFF_MIN;
  174. dm_digtable.pre_cck_pd_state = CCK_PD_STAGE_MAX;
  175. dm_digtable.cur_cck_pd_state = CCK_PD_STAGE_MAX;
  176. }
  177. static u8 rtl92c_dm_initial_gain_min_pwdb(struct ieee80211_hw *hw)
  178. {
  179. struct rtl_priv *rtlpriv = rtl_priv(hw);
  180. long rssi_val_min = 0;
  181. if ((dm_digtable.curmultista_connectstate == DIG_MULTISTA_CONNECT) &&
  182. (dm_digtable.cursta_connectctate == DIG_STA_CONNECT)) {
  183. if (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb != 0)
  184. rssi_val_min =
  185. (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb >
  186. rtlpriv->dm.undecorated_smoothed_pwdb) ?
  187. rtlpriv->dm.undecorated_smoothed_pwdb :
  188. rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
  189. else
  190. rssi_val_min = rtlpriv->dm.undecorated_smoothed_pwdb;
  191. } else if (dm_digtable.cursta_connectctate == DIG_STA_CONNECT ||
  192. dm_digtable.cursta_connectctate == DIG_STA_BEFORE_CONNECT) {
  193. rssi_val_min = rtlpriv->dm.undecorated_smoothed_pwdb;
  194. } else if (dm_digtable.curmultista_connectstate ==
  195. DIG_MULTISTA_CONNECT) {
  196. rssi_val_min = rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
  197. }
  198. return (u8) rssi_val_min;
  199. }
  200. static void rtl92c_dm_false_alarm_counter_statistics(struct ieee80211_hw *hw)
  201. {
  202. u32 ret_value;
  203. struct rtl_priv *rtlpriv = rtl_priv(hw);
  204. struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt);
  205. ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER1, MASKDWORD);
  206. falsealm_cnt->cnt_parity_fail = ((ret_value & 0xffff0000) >> 16);
  207. ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER2, MASKDWORD);
  208. falsealm_cnt->cnt_rate_illegal = (ret_value & 0xffff);
  209. falsealm_cnt->cnt_crc8_fail = ((ret_value & 0xffff0000) >> 16);
  210. ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER3, MASKDWORD);
  211. falsealm_cnt->cnt_mcs_fail = (ret_value & 0xffff);
  212. falsealm_cnt->cnt_ofdm_fail = falsealm_cnt->cnt_parity_fail +
  213. falsealm_cnt->cnt_rate_illegal +
  214. falsealm_cnt->cnt_crc8_fail + falsealm_cnt->cnt_mcs_fail;
  215. rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, BIT(14), 1);
  216. ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERLOWER, MASKBYTE0);
  217. falsealm_cnt->cnt_cck_fail = ret_value;
  218. ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERUPPER, MASKBYTE3);
  219. falsealm_cnt->cnt_cck_fail += (ret_value & 0xff) << 8;
  220. falsealm_cnt->cnt_all = (falsealm_cnt->cnt_parity_fail +
  221. falsealm_cnt->cnt_rate_illegal +
  222. falsealm_cnt->cnt_crc8_fail +
  223. falsealm_cnt->cnt_mcs_fail +
  224. falsealm_cnt->cnt_cck_fail);
  225. rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 1);
  226. rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 0);
  227. rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 0);
  228. rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 2);
  229. RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
  230. "cnt_parity_fail = %d, cnt_rate_illegal = %d, cnt_crc8_fail = %d, cnt_mcs_fail = %d\n",
  231. falsealm_cnt->cnt_parity_fail,
  232. falsealm_cnt->cnt_rate_illegal,
  233. falsealm_cnt->cnt_crc8_fail, falsealm_cnt->cnt_mcs_fail);
  234. RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
  235. "cnt_ofdm_fail = %x, cnt_cck_fail = %x, cnt_all = %x\n",
  236. falsealm_cnt->cnt_ofdm_fail,
  237. falsealm_cnt->cnt_cck_fail, falsealm_cnt->cnt_all);
  238. }
  239. static void rtl92c_dm_ctrl_initgain_by_fa(struct ieee80211_hw *hw)
  240. {
  241. struct rtl_priv *rtlpriv = rtl_priv(hw);
  242. u8 value_igi = dm_digtable.cur_igvalue;
  243. if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH0)
  244. value_igi--;
  245. else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH1)
  246. value_igi += 0;
  247. else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH2)
  248. value_igi++;
  249. else if (rtlpriv->falsealm_cnt.cnt_all >= DM_DIG_FA_TH2)
  250. value_igi += 2;
  251. if (value_igi > DM_DIG_FA_UPPER)
  252. value_igi = DM_DIG_FA_UPPER;
  253. else if (value_igi < DM_DIG_FA_LOWER)
  254. value_igi = DM_DIG_FA_LOWER;
  255. if (rtlpriv->falsealm_cnt.cnt_all > 10000)
  256. value_igi = 0x32;
  257. dm_digtable.cur_igvalue = value_igi;
  258. rtl92c_dm_write_dig(hw);
  259. }
  260. static void rtl92c_dm_ctrl_initgain_by_rssi(struct ieee80211_hw *hw)
  261. {
  262. struct rtl_priv *rtlpriv = rtl_priv(hw);
  263. if (rtlpriv->falsealm_cnt.cnt_all > dm_digtable.fa_highthresh) {
  264. if ((dm_digtable.backoff_val - 2) <
  265. dm_digtable.backoff_val_range_min)
  266. dm_digtable.backoff_val =
  267. dm_digtable.backoff_val_range_min;
  268. else
  269. dm_digtable.backoff_val -= 2;
  270. } else if (rtlpriv->falsealm_cnt.cnt_all < dm_digtable.fa_lowthresh) {
  271. if ((dm_digtable.backoff_val + 2) >
  272. dm_digtable.backoff_val_range_max)
  273. dm_digtable.backoff_val =
  274. dm_digtable.backoff_val_range_max;
  275. else
  276. dm_digtable.backoff_val += 2;
  277. }
  278. if ((dm_digtable.rssi_val_min + 10 - dm_digtable.backoff_val) >
  279. dm_digtable.rx_gain_range_max)
  280. dm_digtable.cur_igvalue = dm_digtable.rx_gain_range_max;
  281. else if ((dm_digtable.rssi_val_min + 10 -
  282. dm_digtable.backoff_val) < dm_digtable.rx_gain_range_min)
  283. dm_digtable.cur_igvalue = dm_digtable.rx_gain_range_min;
  284. else
  285. dm_digtable.cur_igvalue = dm_digtable.rssi_val_min + 10 -
  286. dm_digtable.backoff_val;
  287. RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
  288. "rssi_val_min = %x backoff_val %x\n",
  289. dm_digtable.rssi_val_min, dm_digtable.backoff_val);
  290. rtl92c_dm_write_dig(hw);
  291. }
  292. static void rtl92c_dm_initial_gain_multi_sta(struct ieee80211_hw *hw)
  293. {
  294. static u8 initialized; /* initialized to false */
  295. struct rtl_priv *rtlpriv = rtl_priv(hw);
  296. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  297. long rssi_strength = rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
  298. bool multi_sta = false;
  299. if (mac->opmode == NL80211_IFTYPE_ADHOC)
  300. multi_sta = true;
  301. if (!multi_sta ||
  302. dm_digtable.cursta_connectctate != DIG_STA_DISCONNECT) {
  303. initialized = false;
  304. dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
  305. return;
  306. } else if (initialized == false) {
  307. initialized = true;
  308. dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
  309. dm_digtable.cur_igvalue = 0x20;
  310. rtl92c_dm_write_dig(hw);
  311. }
  312. if (dm_digtable.curmultista_connectstate == DIG_MULTISTA_CONNECT) {
  313. if ((rssi_strength < dm_digtable.rssi_lowthresh) &&
  314. (dm_digtable.dig_ext_port_stage != DIG_EXT_PORT_STAGE_1)) {
  315. if (dm_digtable.dig_ext_port_stage ==
  316. DIG_EXT_PORT_STAGE_2) {
  317. dm_digtable.cur_igvalue = 0x20;
  318. rtl92c_dm_write_dig(hw);
  319. }
  320. dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_1;
  321. } else if (rssi_strength > dm_digtable.rssi_highthresh) {
  322. dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_2;
  323. rtl92c_dm_ctrl_initgain_by_fa(hw);
  324. }
  325. } else if (dm_digtable.dig_ext_port_stage != DIG_EXT_PORT_STAGE_0) {
  326. dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
  327. dm_digtable.cur_igvalue = 0x20;
  328. rtl92c_dm_write_dig(hw);
  329. }
  330. RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
  331. "curmultista_connectstate = %x dig_ext_port_stage %x\n",
  332. dm_digtable.curmultista_connectstate,
  333. dm_digtable.dig_ext_port_stage);
  334. }
  335. static void rtl92c_dm_initial_gain_sta(struct ieee80211_hw *hw)
  336. {
  337. struct rtl_priv *rtlpriv = rtl_priv(hw);
  338. RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
  339. "presta_connectstate = %x, cursta_connectctate = %x\n",
  340. dm_digtable.presta_connectstate,
  341. dm_digtable.cursta_connectctate);
  342. if (dm_digtable.presta_connectstate == dm_digtable.cursta_connectctate
  343. || dm_digtable.cursta_connectctate == DIG_STA_BEFORE_CONNECT
  344. || dm_digtable.cursta_connectctate == DIG_STA_CONNECT) {
  345. if (dm_digtable.cursta_connectctate != DIG_STA_DISCONNECT) {
  346. dm_digtable.rssi_val_min =
  347. rtl92c_dm_initial_gain_min_pwdb(hw);
  348. rtl92c_dm_ctrl_initgain_by_rssi(hw);
  349. }
  350. } else {
  351. dm_digtable.rssi_val_min = 0;
  352. dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
  353. dm_digtable.backoff_val = DM_DIG_BACKOFF_DEFAULT;
  354. dm_digtable.cur_igvalue = 0x20;
  355. dm_digtable.pre_igvalue = 0;
  356. rtl92c_dm_write_dig(hw);
  357. }
  358. }
  359. static void rtl92c_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
  360. {
  361. struct rtl_priv *rtlpriv = rtl_priv(hw);
  362. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  363. if (dm_digtable.cursta_connectctate == DIG_STA_CONNECT) {
  364. dm_digtable.rssi_val_min = rtl92c_dm_initial_gain_min_pwdb(hw);
  365. if (dm_digtable.pre_cck_pd_state == CCK_PD_STAGE_LowRssi) {
  366. if (dm_digtable.rssi_val_min <= 25)
  367. dm_digtable.cur_cck_pd_state =
  368. CCK_PD_STAGE_LowRssi;
  369. else
  370. dm_digtable.cur_cck_pd_state =
  371. CCK_PD_STAGE_HighRssi;
  372. } else {
  373. if (dm_digtable.rssi_val_min <= 20)
  374. dm_digtable.cur_cck_pd_state =
  375. CCK_PD_STAGE_LowRssi;
  376. else
  377. dm_digtable.cur_cck_pd_state =
  378. CCK_PD_STAGE_HighRssi;
  379. }
  380. } else {
  381. dm_digtable.cur_cck_pd_state = CCK_PD_STAGE_MAX;
  382. }
  383. if (dm_digtable.pre_cck_pd_state != dm_digtable.cur_cck_pd_state) {
  384. if (dm_digtable.cur_cck_pd_state == CCK_PD_STAGE_LowRssi) {
  385. if (rtlpriv->falsealm_cnt.cnt_cck_fail > 800)
  386. dm_digtable.cur_cck_fa_state =
  387. CCK_FA_STAGE_High;
  388. else
  389. dm_digtable.cur_cck_fa_state = CCK_FA_STAGE_Low;
  390. if (dm_digtable.pre_cck_fa_state !=
  391. dm_digtable.cur_cck_fa_state) {
  392. if (dm_digtable.cur_cck_fa_state ==
  393. CCK_FA_STAGE_Low)
  394. rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2,
  395. 0x83);
  396. else
  397. rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2,
  398. 0xcd);
  399. dm_digtable.pre_cck_fa_state =
  400. dm_digtable.cur_cck_fa_state;
  401. }
  402. rtl_set_bbreg(hw, RCCK0_SYSTEM, MASKBYTE1, 0x40);
  403. if (IS_92C_SERIAL(rtlhal->version))
  404. rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT,
  405. MASKBYTE2, 0xd7);
  406. } else {
  407. rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0xcd);
  408. rtl_set_bbreg(hw, RCCK0_SYSTEM, MASKBYTE1, 0x47);
  409. if (IS_92C_SERIAL(rtlhal->version))
  410. rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT,
  411. MASKBYTE2, 0xd3);
  412. }
  413. dm_digtable.pre_cck_pd_state = dm_digtable.cur_cck_pd_state;
  414. }
  415. RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE, "CCKPDStage=%x\n",
  416. dm_digtable.cur_cck_pd_state);
  417. RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE, "is92C=%x\n",
  418. IS_92C_SERIAL(rtlhal->version));
  419. }
  420. static void rtl92c_dm_ctrl_initgain_by_twoport(struct ieee80211_hw *hw)
  421. {
  422. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  423. if (mac->act_scanning)
  424. return;
  425. if (mac->link_state >= MAC80211_LINKED)
  426. dm_digtable.cursta_connectctate = DIG_STA_CONNECT;
  427. else
  428. dm_digtable.cursta_connectctate = DIG_STA_DISCONNECT;
  429. rtl92c_dm_initial_gain_sta(hw);
  430. rtl92c_dm_initial_gain_multi_sta(hw);
  431. rtl92c_dm_cck_packet_detection_thresh(hw);
  432. dm_digtable.presta_connectstate = dm_digtable.cursta_connectctate;
  433. }
  434. static void rtl92c_dm_dig(struct ieee80211_hw *hw)
  435. {
  436. struct rtl_priv *rtlpriv = rtl_priv(hw);
  437. if (rtlpriv->dm.dm_initialgain_enable == false)
  438. return;
  439. if (dm_digtable.dig_enable_flag == false)
  440. return;
  441. rtl92c_dm_ctrl_initgain_by_twoport(hw);
  442. }
  443. static void rtl92c_dm_init_dynamic_txpower(struct ieee80211_hw *hw)
  444. {
  445. struct rtl_priv *rtlpriv = rtl_priv(hw);
  446. rtlpriv->dm.dynamic_txpower_enable = false;
  447. rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
  448. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
  449. }
  450. void rtl92c_dm_write_dig(struct ieee80211_hw *hw)
  451. {
  452. struct rtl_priv *rtlpriv = rtl_priv(hw);
  453. RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD,
  454. "cur_igvalue = 0x%x, pre_igvalue = 0x%x, backoff_val = %d\n",
  455. dm_digtable.cur_igvalue, dm_digtable.pre_igvalue,
  456. dm_digtable.backoff_val);
  457. dm_digtable.cur_igvalue += 2;
  458. if (dm_digtable.cur_igvalue > 0x3f)
  459. dm_digtable.cur_igvalue = 0x3f;
  460. if (dm_digtable.pre_igvalue != dm_digtable.cur_igvalue) {
  461. rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f,
  462. dm_digtable.cur_igvalue);
  463. rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, 0x7f,
  464. dm_digtable.cur_igvalue);
  465. dm_digtable.pre_igvalue = dm_digtable.cur_igvalue;
  466. }
  467. }
  468. EXPORT_SYMBOL(rtl92c_dm_write_dig);
  469. static void rtl92c_dm_pwdb_monitor(struct ieee80211_hw *hw)
  470. {
  471. struct rtl_priv *rtlpriv = rtl_priv(hw);
  472. long tmpentry_max_pwdb = 0, tmpentry_min_pwdb = 0xff;
  473. u8 h2c_parameter[3] = { 0 };
  474. return;
  475. if (tmpentry_max_pwdb != 0) {
  476. rtlpriv->dm.entry_max_undecoratedsmoothed_pwdb =
  477. tmpentry_max_pwdb;
  478. } else {
  479. rtlpriv->dm.entry_max_undecoratedsmoothed_pwdb = 0;
  480. }
  481. if (tmpentry_min_pwdb != 0xff) {
  482. rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb =
  483. tmpentry_min_pwdb;
  484. } else {
  485. rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb = 0;
  486. }
  487. h2c_parameter[2] = (u8) (rtlpriv->dm.undecorated_smoothed_pwdb & 0xFF);
  488. h2c_parameter[0] = 0;
  489. rtl92c_fill_h2c_cmd(hw, H2C_RSSI_REPORT, 3, h2c_parameter);
  490. }
  491. void rtl92c_dm_init_edca_turbo(struct ieee80211_hw *hw)
  492. {
  493. struct rtl_priv *rtlpriv = rtl_priv(hw);
  494. rtlpriv->dm.current_turbo_edca = false;
  495. rtlpriv->dm.is_any_nonbepkts = false;
  496. rtlpriv->dm.is_cur_rdlstate = false;
  497. }
  498. EXPORT_SYMBOL(rtl92c_dm_init_edca_turbo);
  499. static void rtl92c_dm_check_edca_turbo(struct ieee80211_hw *hw)
  500. {
  501. struct rtl_priv *rtlpriv = rtl_priv(hw);
  502. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  503. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  504. static u64 last_txok_cnt;
  505. static u64 last_rxok_cnt;
  506. static u32 last_bt_edca_ul;
  507. static u32 last_bt_edca_dl;
  508. u64 cur_txok_cnt = 0;
  509. u64 cur_rxok_cnt = 0;
  510. u32 edca_be_ul = 0x5ea42b;
  511. u32 edca_be_dl = 0x5ea42b;
  512. bool bt_change_edca = false;
  513. if ((last_bt_edca_ul != rtlpcipriv->bt_coexist.bt_edca_ul) ||
  514. (last_bt_edca_dl != rtlpcipriv->bt_coexist.bt_edca_dl)) {
  515. rtlpriv->dm.current_turbo_edca = false;
  516. last_bt_edca_ul = rtlpcipriv->bt_coexist.bt_edca_ul;
  517. last_bt_edca_dl = rtlpcipriv->bt_coexist.bt_edca_dl;
  518. }
  519. if (rtlpcipriv->bt_coexist.bt_edca_ul != 0) {
  520. edca_be_ul = rtlpcipriv->bt_coexist.bt_edca_ul;
  521. bt_change_edca = true;
  522. }
  523. if (rtlpcipriv->bt_coexist.bt_edca_dl != 0) {
  524. edca_be_ul = rtlpcipriv->bt_coexist.bt_edca_dl;
  525. bt_change_edca = true;
  526. }
  527. if (mac->link_state != MAC80211_LINKED) {
  528. rtlpriv->dm.current_turbo_edca = false;
  529. return;
  530. }
  531. if ((!mac->ht_enable) && (!rtlpcipriv->bt_coexist.bt_coexistence)) {
  532. if (!(edca_be_ul & 0xffff0000))
  533. edca_be_ul |= 0x005e0000;
  534. if (!(edca_be_dl & 0xffff0000))
  535. edca_be_dl |= 0x005e0000;
  536. }
  537. if ((bt_change_edca) || ((!rtlpriv->dm.is_any_nonbepkts) &&
  538. (!rtlpriv->dm.disable_framebursting))) {
  539. cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt;
  540. cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - last_rxok_cnt;
  541. if (cur_rxok_cnt > 4 * cur_txok_cnt) {
  542. if (!rtlpriv->dm.is_cur_rdlstate ||
  543. !rtlpriv->dm.current_turbo_edca) {
  544. rtl_write_dword(rtlpriv,
  545. REG_EDCA_BE_PARAM,
  546. edca_be_dl);
  547. rtlpriv->dm.is_cur_rdlstate = true;
  548. }
  549. } else {
  550. if (rtlpriv->dm.is_cur_rdlstate ||
  551. !rtlpriv->dm.current_turbo_edca) {
  552. rtl_write_dword(rtlpriv,
  553. REG_EDCA_BE_PARAM,
  554. edca_be_ul);
  555. rtlpriv->dm.is_cur_rdlstate = false;
  556. }
  557. }
  558. rtlpriv->dm.current_turbo_edca = true;
  559. } else {
  560. if (rtlpriv->dm.current_turbo_edca) {
  561. u8 tmp = AC0_BE;
  562. rtlpriv->cfg->ops->set_hw_reg(hw,
  563. HW_VAR_AC_PARAM,
  564. (u8 *) (&tmp));
  565. rtlpriv->dm.current_turbo_edca = false;
  566. }
  567. }
  568. rtlpriv->dm.is_any_nonbepkts = false;
  569. last_txok_cnt = rtlpriv->stats.txbytesunicast;
  570. last_rxok_cnt = rtlpriv->stats.rxbytesunicast;
  571. }
  572. static void rtl92c_dm_txpower_tracking_callback_thermalmeter(struct ieee80211_hw
  573. *hw)
  574. {
  575. struct rtl_priv *rtlpriv = rtl_priv(hw);
  576. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  577. struct rtl_phy *rtlphy = &(rtlpriv->phy);
  578. struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
  579. u8 thermalvalue, delta, delta_lck, delta_iqk;
  580. long ele_a, ele_d, temp_cck, val_x, value32;
  581. long val_y, ele_c = 0;
  582. u8 ofdm_index[2], cck_index = 0, ofdm_index_old[2], cck_index_old = 0;
  583. int i;
  584. bool is2t = IS_92C_SERIAL(rtlhal->version);
  585. s8 txpwr_level[2] = {0, 0};
  586. u8 ofdm_min_index = 6, rf;
  587. rtlpriv->dm.txpower_trackinginit = true;
  588. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  589. "rtl92c_dm_txpower_tracking_callback_thermalmeter\n");
  590. thermalvalue = (u8) rtl_get_rfreg(hw, RF90_PATH_A, RF_T_METER, 0x1f);
  591. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  592. "Readback Thermal Meter = 0x%x pre thermal meter 0x%x eeprom_thermalmeter 0x%x\n",
  593. thermalvalue, rtlpriv->dm.thermalvalue,
  594. rtlefuse->eeprom_thermalmeter);
  595. rtl92c_phy_ap_calibrate(hw, (thermalvalue -
  596. rtlefuse->eeprom_thermalmeter));
  597. if (is2t)
  598. rf = 2;
  599. else
  600. rf = 1;
  601. if (thermalvalue) {
  602. ele_d = rtl_get_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
  603. MASKDWORD) & MASKOFDM_D;
  604. for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
  605. if (ele_d == (ofdmswing_table[i] & MASKOFDM_D)) {
  606. ofdm_index_old[0] = (u8) i;
  607. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  608. "Initial pathA ele_d reg0x%x = 0x%lx, ofdm_index=0x%x\n",
  609. ROFDM0_XATXIQIMBALANCE,
  610. ele_d, ofdm_index_old[0]);
  611. break;
  612. }
  613. }
  614. if (is2t) {
  615. ele_d = rtl_get_bbreg(hw, ROFDM0_XBTXIQIMBALANCE,
  616. MASKDWORD) & MASKOFDM_D;
  617. for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
  618. if (ele_d == (ofdmswing_table[i] &
  619. MASKOFDM_D)) {
  620. RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
  621. DBG_LOUD,
  622. "Initial pathB ele_d reg0x%x = 0x%lx, ofdm_index=0x%x\n",
  623. ROFDM0_XBTXIQIMBALANCE, ele_d,
  624. ofdm_index_old[1]);
  625. break;
  626. }
  627. }
  628. }
  629. temp_cck =
  630. rtl_get_bbreg(hw, RCCK0_TXFILTER2, MASKDWORD) & MASKCCK;
  631. for (i = 0; i < CCK_TABLE_LENGTH; i++) {
  632. if (rtlpriv->dm.cck_inch14) {
  633. if (memcmp((void *)&temp_cck,
  634. (void *)&cckswing_table_ch14[i][2],
  635. 4) == 0) {
  636. cck_index_old = (u8) i;
  637. RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
  638. DBG_LOUD,
  639. "Initial reg0x%x = 0x%lx, cck_index=0x%x, ch 14 %d\n",
  640. RCCK0_TXFILTER2, temp_cck,
  641. cck_index_old,
  642. rtlpriv->dm.cck_inch14);
  643. break;
  644. }
  645. } else {
  646. if (memcmp((void *)&temp_cck,
  647. (void *)
  648. &cckswing_table_ch1ch13[i][2],
  649. 4) == 0) {
  650. cck_index_old = (u8) i;
  651. RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
  652. DBG_LOUD,
  653. "Initial reg0x%x = 0x%lx, cck_index=0x%x, ch14 %d\n",
  654. RCCK0_TXFILTER2, temp_cck,
  655. cck_index_old,
  656. rtlpriv->dm.cck_inch14);
  657. break;
  658. }
  659. }
  660. }
  661. if (!rtlpriv->dm.thermalvalue) {
  662. rtlpriv->dm.thermalvalue =
  663. rtlefuse->eeprom_thermalmeter;
  664. rtlpriv->dm.thermalvalue_lck = thermalvalue;
  665. rtlpriv->dm.thermalvalue_iqk = thermalvalue;
  666. for (i = 0; i < rf; i++)
  667. rtlpriv->dm.ofdm_index[i] = ofdm_index_old[i];
  668. rtlpriv->dm.cck_index = cck_index_old;
  669. }
  670. delta = (thermalvalue > rtlpriv->dm.thermalvalue) ?
  671. (thermalvalue - rtlpriv->dm.thermalvalue) :
  672. (rtlpriv->dm.thermalvalue - thermalvalue);
  673. delta_lck = (thermalvalue > rtlpriv->dm.thermalvalue_lck) ?
  674. (thermalvalue - rtlpriv->dm.thermalvalue_lck) :
  675. (rtlpriv->dm.thermalvalue_lck - thermalvalue);
  676. delta_iqk = (thermalvalue > rtlpriv->dm.thermalvalue_iqk) ?
  677. (thermalvalue - rtlpriv->dm.thermalvalue_iqk) :
  678. (rtlpriv->dm.thermalvalue_iqk - thermalvalue);
  679. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  680. "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",
  681. thermalvalue, rtlpriv->dm.thermalvalue,
  682. rtlefuse->eeprom_thermalmeter, delta, delta_lck,
  683. delta_iqk);
  684. if (delta_lck > 1) {
  685. rtlpriv->dm.thermalvalue_lck = thermalvalue;
  686. rtl92c_phy_lc_calibrate(hw);
  687. }
  688. if (delta > 0 && rtlpriv->dm.txpower_track_control) {
  689. if (thermalvalue > rtlpriv->dm.thermalvalue) {
  690. for (i = 0; i < rf; i++)
  691. rtlpriv->dm.ofdm_index[i] -= delta;
  692. rtlpriv->dm.cck_index -= delta;
  693. } else {
  694. for (i = 0; i < rf; i++)
  695. rtlpriv->dm.ofdm_index[i] += delta;
  696. rtlpriv->dm.cck_index += delta;
  697. }
  698. if (is2t) {
  699. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  700. "temp OFDM_A_index=0x%x, OFDM_B_index=0x%x, cck_index=0x%x\n",
  701. rtlpriv->dm.ofdm_index[0],
  702. rtlpriv->dm.ofdm_index[1],
  703. rtlpriv->dm.cck_index);
  704. } else {
  705. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  706. "temp OFDM_A_index=0x%x, cck_index=0x%x\n",
  707. rtlpriv->dm.ofdm_index[0],
  708. rtlpriv->dm.cck_index);
  709. }
  710. if (thermalvalue > rtlefuse->eeprom_thermalmeter) {
  711. for (i = 0; i < rf; i++)
  712. ofdm_index[i] =
  713. rtlpriv->dm.ofdm_index[i]
  714. + 1;
  715. cck_index = rtlpriv->dm.cck_index + 1;
  716. } else {
  717. for (i = 0; i < rf; i++)
  718. ofdm_index[i] =
  719. rtlpriv->dm.ofdm_index[i];
  720. cck_index = rtlpriv->dm.cck_index;
  721. }
  722. for (i = 0; i < rf; i++) {
  723. if (txpwr_level[i] >= 0 &&
  724. txpwr_level[i] <= 26) {
  725. if (thermalvalue >
  726. rtlefuse->eeprom_thermalmeter) {
  727. if (delta < 5)
  728. ofdm_index[i] -= 1;
  729. else
  730. ofdm_index[i] -= 2;
  731. } else if (delta > 5 && thermalvalue <
  732. rtlefuse->
  733. eeprom_thermalmeter) {
  734. ofdm_index[i] += 1;
  735. }
  736. } else if (txpwr_level[i] >= 27 &&
  737. txpwr_level[i] <= 32
  738. && thermalvalue >
  739. rtlefuse->eeprom_thermalmeter) {
  740. if (delta < 5)
  741. ofdm_index[i] -= 1;
  742. else
  743. ofdm_index[i] -= 2;
  744. } else if (txpwr_level[i] >= 32 &&
  745. txpwr_level[i] <= 38 &&
  746. thermalvalue >
  747. rtlefuse->eeprom_thermalmeter
  748. && delta > 5) {
  749. ofdm_index[i] -= 1;
  750. }
  751. }
  752. if (txpwr_level[i] >= 0 && txpwr_level[i] <= 26) {
  753. if (thermalvalue >
  754. rtlefuse->eeprom_thermalmeter) {
  755. if (delta < 5)
  756. cck_index -= 1;
  757. else
  758. cck_index -= 2;
  759. } else if (delta > 5 && thermalvalue <
  760. rtlefuse->eeprom_thermalmeter) {
  761. cck_index += 1;
  762. }
  763. } else if (txpwr_level[i] >= 27 &&
  764. txpwr_level[i] <= 32 &&
  765. thermalvalue >
  766. rtlefuse->eeprom_thermalmeter) {
  767. if (delta < 5)
  768. cck_index -= 1;
  769. else
  770. cck_index -= 2;
  771. } else if (txpwr_level[i] >= 32 &&
  772. txpwr_level[i] <= 38 &&
  773. thermalvalue > rtlefuse->eeprom_thermalmeter
  774. && delta > 5) {
  775. cck_index -= 1;
  776. }
  777. for (i = 0; i < rf; i++) {
  778. if (ofdm_index[i] > OFDM_TABLE_SIZE - 1)
  779. ofdm_index[i] = OFDM_TABLE_SIZE - 1;
  780. else if (ofdm_index[i] < ofdm_min_index)
  781. ofdm_index[i] = ofdm_min_index;
  782. }
  783. if (cck_index > CCK_TABLE_SIZE - 1)
  784. cck_index = CCK_TABLE_SIZE - 1;
  785. else if (cck_index < 0)
  786. cck_index = 0;
  787. if (is2t) {
  788. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  789. "new OFDM_A_index=0x%x, OFDM_B_index=0x%x, cck_index=0x%x\n",
  790. ofdm_index[0], ofdm_index[1],
  791. cck_index);
  792. } else {
  793. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  794. "new OFDM_A_index=0x%x, cck_index=0x%x\n",
  795. ofdm_index[0], cck_index);
  796. }
  797. }
  798. if (rtlpriv->dm.txpower_track_control && delta != 0) {
  799. ele_d =
  800. (ofdmswing_table[ofdm_index[0]] & 0xFFC00000) >> 22;
  801. val_x = rtlphy->reg_e94;
  802. val_y = rtlphy->reg_e9c;
  803. if (val_x != 0) {
  804. if ((val_x & 0x00000200) != 0)
  805. val_x = val_x | 0xFFFFFC00;
  806. ele_a = ((val_x * ele_d) >> 8) & 0x000003FF;
  807. if ((val_y & 0x00000200) != 0)
  808. val_y = val_y | 0xFFFFFC00;
  809. ele_c = ((val_y * ele_d) >> 8) & 0x000003FF;
  810. value32 = (ele_d << 22) |
  811. ((ele_c & 0x3F) << 16) | ele_a;
  812. rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
  813. MASKDWORD, value32);
  814. value32 = (ele_c & 0x000003C0) >> 6;
  815. rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
  816. value32);
  817. value32 = ((val_x * ele_d) >> 7) & 0x01;
  818. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  819. BIT(31), value32);
  820. value32 = ((val_y * ele_d) >> 7) & 0x01;
  821. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  822. BIT(29), value32);
  823. } else {
  824. rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
  825. MASKDWORD,
  826. ofdmswing_table[ofdm_index[0]]);
  827. rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
  828. 0x00);
  829. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  830. BIT(31) | BIT(29), 0x00);
  831. }
  832. if (!rtlpriv->dm.cck_inch14) {
  833. rtl_write_byte(rtlpriv, 0xa22,
  834. cckswing_table_ch1ch13[cck_index]
  835. [0]);
  836. rtl_write_byte(rtlpriv, 0xa23,
  837. cckswing_table_ch1ch13[cck_index]
  838. [1]);
  839. rtl_write_byte(rtlpriv, 0xa24,
  840. cckswing_table_ch1ch13[cck_index]
  841. [2]);
  842. rtl_write_byte(rtlpriv, 0xa25,
  843. cckswing_table_ch1ch13[cck_index]
  844. [3]);
  845. rtl_write_byte(rtlpriv, 0xa26,
  846. cckswing_table_ch1ch13[cck_index]
  847. [4]);
  848. rtl_write_byte(rtlpriv, 0xa27,
  849. cckswing_table_ch1ch13[cck_index]
  850. [5]);
  851. rtl_write_byte(rtlpriv, 0xa28,
  852. cckswing_table_ch1ch13[cck_index]
  853. [6]);
  854. rtl_write_byte(rtlpriv, 0xa29,
  855. cckswing_table_ch1ch13[cck_index]
  856. [7]);
  857. } else {
  858. rtl_write_byte(rtlpriv, 0xa22,
  859. cckswing_table_ch14[cck_index]
  860. [0]);
  861. rtl_write_byte(rtlpriv, 0xa23,
  862. cckswing_table_ch14[cck_index]
  863. [1]);
  864. rtl_write_byte(rtlpriv, 0xa24,
  865. cckswing_table_ch14[cck_index]
  866. [2]);
  867. rtl_write_byte(rtlpriv, 0xa25,
  868. cckswing_table_ch14[cck_index]
  869. [3]);
  870. rtl_write_byte(rtlpriv, 0xa26,
  871. cckswing_table_ch14[cck_index]
  872. [4]);
  873. rtl_write_byte(rtlpriv, 0xa27,
  874. cckswing_table_ch14[cck_index]
  875. [5]);
  876. rtl_write_byte(rtlpriv, 0xa28,
  877. cckswing_table_ch14[cck_index]
  878. [6]);
  879. rtl_write_byte(rtlpriv, 0xa29,
  880. cckswing_table_ch14[cck_index]
  881. [7]);
  882. }
  883. if (is2t) {
  884. ele_d = (ofdmswing_table[ofdm_index[1]] &
  885. 0xFFC00000) >> 22;
  886. val_x = rtlphy->reg_eb4;
  887. val_y = rtlphy->reg_ebc;
  888. if (val_x != 0) {
  889. if ((val_x & 0x00000200) != 0)
  890. val_x = val_x | 0xFFFFFC00;
  891. ele_a = ((val_x * ele_d) >> 8) &
  892. 0x000003FF;
  893. if ((val_y & 0x00000200) != 0)
  894. val_y = val_y | 0xFFFFFC00;
  895. ele_c = ((val_y * ele_d) >> 8) &
  896. 0x00003FF;
  897. value32 = (ele_d << 22) |
  898. ((ele_c & 0x3F) << 16) | ele_a;
  899. rtl_set_bbreg(hw,
  900. ROFDM0_XBTXIQIMBALANCE,
  901. MASKDWORD, value32);
  902. value32 = (ele_c & 0x000003C0) >> 6;
  903. rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
  904. MASKH4BITS, value32);
  905. value32 = ((val_x * ele_d) >> 7) & 0x01;
  906. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  907. BIT(27), value32);
  908. value32 = ((val_y * ele_d) >> 7) & 0x01;
  909. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  910. BIT(25), value32);
  911. } else {
  912. rtl_set_bbreg(hw,
  913. ROFDM0_XBTXIQIMBALANCE,
  914. MASKDWORD,
  915. ofdmswing_table[ofdm_index
  916. [1]]);
  917. rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
  918. MASKH4BITS, 0x00);
  919. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  920. BIT(27) | BIT(25), 0x00);
  921. }
  922. }
  923. }
  924. if (delta_iqk > 3) {
  925. rtlpriv->dm.thermalvalue_iqk = thermalvalue;
  926. rtl92c_phy_iq_calibrate(hw, false);
  927. }
  928. if (rtlpriv->dm.txpower_track_control)
  929. rtlpriv->dm.thermalvalue = thermalvalue;
  930. }
  931. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, "<===\n");
  932. }
  933. static void rtl92c_dm_initialize_txpower_tracking_thermalmeter(
  934. struct ieee80211_hw *hw)
  935. {
  936. struct rtl_priv *rtlpriv = rtl_priv(hw);
  937. rtlpriv->dm.txpower_tracking = true;
  938. rtlpriv->dm.txpower_trackinginit = false;
  939. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  940. "pMgntInfo->txpower_tracking = %d\n",
  941. rtlpriv->dm.txpower_tracking);
  942. }
  943. static void rtl92c_dm_initialize_txpower_tracking(struct ieee80211_hw *hw)
  944. {
  945. rtl92c_dm_initialize_txpower_tracking_thermalmeter(hw);
  946. }
  947. static void rtl92c_dm_txpower_tracking_directcall(struct ieee80211_hw *hw)
  948. {
  949. rtl92c_dm_txpower_tracking_callback_thermalmeter(hw);
  950. }
  951. static void rtl92c_dm_check_txpower_tracking_thermal_meter(
  952. struct ieee80211_hw *hw)
  953. {
  954. struct rtl_priv *rtlpriv = rtl_priv(hw);
  955. static u8 tm_trigger;
  956. if (!rtlpriv->dm.txpower_tracking)
  957. return;
  958. if (!tm_trigger) {
  959. rtl_set_rfreg(hw, RF90_PATH_A, RF_T_METER, RFREG_OFFSET_MASK,
  960. 0x60);
  961. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  962. "Trigger 92S Thermal Meter!!\n");
  963. tm_trigger = 1;
  964. return;
  965. } else {
  966. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  967. "Schedule TxPowerTracking direct call!!\n");
  968. rtl92c_dm_txpower_tracking_directcall(hw);
  969. tm_trigger = 0;
  970. }
  971. }
  972. void rtl92c_dm_check_txpower_tracking(struct ieee80211_hw *hw)
  973. {
  974. rtl92c_dm_check_txpower_tracking_thermal_meter(hw);
  975. }
  976. EXPORT_SYMBOL(rtl92c_dm_check_txpower_tracking);
  977. void rtl92c_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw)
  978. {
  979. struct rtl_priv *rtlpriv = rtl_priv(hw);
  980. struct rate_adaptive *p_ra = &(rtlpriv->ra);
  981. p_ra->ratr_state = DM_RATR_STA_INIT;
  982. p_ra->pre_ratr_state = DM_RATR_STA_INIT;
  983. if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER)
  984. rtlpriv->dm.useramask = true;
  985. else
  986. rtlpriv->dm.useramask = false;
  987. }
  988. EXPORT_SYMBOL(rtl92c_dm_init_rate_adaptive_mask);
  989. static void rtl92c_dm_refresh_rate_adaptive_mask(struct ieee80211_hw *hw)
  990. {
  991. struct rtl_priv *rtlpriv = rtl_priv(hw);
  992. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  993. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  994. struct rate_adaptive *p_ra = &(rtlpriv->ra);
  995. u32 low_rssithresh_for_ra, high_rssithresh_for_ra;
  996. struct ieee80211_sta *sta = NULL;
  997. if (is_hal_stop(rtlhal)) {
  998. RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
  999. "<---- driver is going to unload\n");
  1000. return;
  1001. }
  1002. if (!rtlpriv->dm.useramask) {
  1003. RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
  1004. "<---- driver does not control rate adaptive mask\n");
  1005. return;
  1006. }
  1007. if (mac->link_state == MAC80211_LINKED &&
  1008. mac->opmode == NL80211_IFTYPE_STATION) {
  1009. switch (p_ra->pre_ratr_state) {
  1010. case DM_RATR_STA_HIGH:
  1011. high_rssithresh_for_ra = 50;
  1012. low_rssithresh_for_ra = 20;
  1013. break;
  1014. case DM_RATR_STA_MIDDLE:
  1015. high_rssithresh_for_ra = 55;
  1016. low_rssithresh_for_ra = 20;
  1017. break;
  1018. case DM_RATR_STA_LOW:
  1019. high_rssithresh_for_ra = 50;
  1020. low_rssithresh_for_ra = 25;
  1021. break;
  1022. default:
  1023. high_rssithresh_for_ra = 50;
  1024. low_rssithresh_for_ra = 20;
  1025. break;
  1026. }
  1027. if (rtlpriv->dm.undecorated_smoothed_pwdb >
  1028. (long)high_rssithresh_for_ra)
  1029. p_ra->ratr_state = DM_RATR_STA_HIGH;
  1030. else if (rtlpriv->dm.undecorated_smoothed_pwdb >
  1031. (long)low_rssithresh_for_ra)
  1032. p_ra->ratr_state = DM_RATR_STA_MIDDLE;
  1033. else
  1034. p_ra->ratr_state = DM_RATR_STA_LOW;
  1035. if (p_ra->pre_ratr_state != p_ra->ratr_state) {
  1036. RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD, "RSSI = %ld\n",
  1037. rtlpriv->dm.undecorated_smoothed_pwdb);
  1038. RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
  1039. "RSSI_LEVEL = %d\n", p_ra->ratr_state);
  1040. RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
  1041. "PreState = %d, CurState = %d\n",
  1042. p_ra->pre_ratr_state, p_ra->ratr_state);
  1043. /* Only the PCI card uses sta in the update rate table
  1044. * callback routine */
  1045. if (rtlhal->interface == INTF_PCI) {
  1046. rcu_read_lock();
  1047. sta = ieee80211_find_sta(mac->vif, mac->bssid);
  1048. }
  1049. rtlpriv->cfg->ops->update_rate_tbl(hw, sta,
  1050. p_ra->ratr_state);
  1051. p_ra->pre_ratr_state = p_ra->ratr_state;
  1052. if (rtlhal->interface == INTF_PCI)
  1053. rcu_read_unlock();
  1054. }
  1055. }
  1056. }
  1057. static void rtl92c_dm_init_dynamic_bb_powersaving(struct ieee80211_hw *hw)
  1058. {
  1059. dm_pstable.pre_ccastate = CCA_MAX;
  1060. dm_pstable.cur_ccasate = CCA_MAX;
  1061. dm_pstable.pre_rfstate = RF_MAX;
  1062. dm_pstable.cur_rfstate = RF_MAX;
  1063. dm_pstable.rssi_val_min = 0;
  1064. }
  1065. void rtl92c_dm_rf_saving(struct ieee80211_hw *hw, u8 bforce_in_normal)
  1066. {
  1067. static u8 initialize;
  1068. static u32 reg_874, reg_c70, reg_85c, reg_a74;
  1069. if (initialize == 0) {
  1070. reg_874 = (rtl_get_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
  1071. MASKDWORD) & 0x1CC000) >> 14;
  1072. reg_c70 = (rtl_get_bbreg(hw, ROFDM0_AGCPARAMETER1,
  1073. MASKDWORD) & BIT(3)) >> 3;
  1074. reg_85c = (rtl_get_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
  1075. MASKDWORD) & 0xFF000000) >> 24;
  1076. reg_a74 = (rtl_get_bbreg(hw, 0xa74, MASKDWORD) & 0xF000) >> 12;
  1077. initialize = 1;
  1078. }
  1079. if (!bforce_in_normal) {
  1080. if (dm_pstable.rssi_val_min != 0) {
  1081. if (dm_pstable.pre_rfstate == RF_NORMAL) {
  1082. if (dm_pstable.rssi_val_min >= 30)
  1083. dm_pstable.cur_rfstate = RF_SAVE;
  1084. else
  1085. dm_pstable.cur_rfstate = RF_NORMAL;
  1086. } else {
  1087. if (dm_pstable.rssi_val_min <= 25)
  1088. dm_pstable.cur_rfstate = RF_NORMAL;
  1089. else
  1090. dm_pstable.cur_rfstate = RF_SAVE;
  1091. }
  1092. } else {
  1093. dm_pstable.cur_rfstate = RF_MAX;
  1094. }
  1095. } else {
  1096. dm_pstable.cur_rfstate = RF_NORMAL;
  1097. }
  1098. if (dm_pstable.pre_rfstate != dm_pstable.cur_rfstate) {
  1099. if (dm_pstable.cur_rfstate == RF_SAVE) {
  1100. rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
  1101. 0x1C0000, 0x2);
  1102. rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3), 0);
  1103. rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
  1104. 0xFF000000, 0x63);
  1105. rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
  1106. 0xC000, 0x2);
  1107. rtl_set_bbreg(hw, 0xa74, 0xF000, 0x3);
  1108. rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
  1109. rtl_set_bbreg(hw, 0x818, BIT(28), 0x1);
  1110. } else {
  1111. rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
  1112. 0x1CC000, reg_874);
  1113. rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3),
  1114. reg_c70);
  1115. rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL, 0xFF000000,
  1116. reg_85c);
  1117. rtl_set_bbreg(hw, 0xa74, 0xF000, reg_a74);
  1118. rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
  1119. }
  1120. dm_pstable.pre_rfstate = dm_pstable.cur_rfstate;
  1121. }
  1122. }
  1123. EXPORT_SYMBOL(rtl92c_dm_rf_saving);
  1124. static void rtl92c_dm_dynamic_bb_powersaving(struct ieee80211_hw *hw)
  1125. {
  1126. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1127. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  1128. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  1129. if (((mac->link_state == MAC80211_NOLINK)) &&
  1130. (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb == 0)) {
  1131. dm_pstable.rssi_val_min = 0;
  1132. RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD, "Not connected to any\n");
  1133. }
  1134. if (mac->link_state == MAC80211_LINKED) {
  1135. if (mac->opmode == NL80211_IFTYPE_ADHOC) {
  1136. dm_pstable.rssi_val_min =
  1137. rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
  1138. RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
  1139. "AP Client PWDB = 0x%lx\n",
  1140. dm_pstable.rssi_val_min);
  1141. } else {
  1142. dm_pstable.rssi_val_min =
  1143. rtlpriv->dm.undecorated_smoothed_pwdb;
  1144. RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
  1145. "STA Default Port PWDB = 0x%lx\n",
  1146. dm_pstable.rssi_val_min);
  1147. }
  1148. } else {
  1149. dm_pstable.rssi_val_min =
  1150. rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
  1151. RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
  1152. "AP Ext Port PWDB = 0x%lx\n",
  1153. dm_pstable.rssi_val_min);
  1154. }
  1155. if (IS_92C_SERIAL(rtlhal->version))
  1156. ;/* rtl92c_dm_1r_cca(hw); */
  1157. else
  1158. rtl92c_dm_rf_saving(hw, false);
  1159. }
  1160. void rtl92c_dm_init(struct ieee80211_hw *hw)
  1161. {
  1162. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1163. rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
  1164. rtl92c_dm_diginit(hw);
  1165. rtl92c_dm_init_dynamic_txpower(hw);
  1166. rtl92c_dm_init_edca_turbo(hw);
  1167. rtl92c_dm_init_rate_adaptive_mask(hw);
  1168. rtl92c_dm_initialize_txpower_tracking(hw);
  1169. rtl92c_dm_init_dynamic_bb_powersaving(hw);
  1170. }
  1171. EXPORT_SYMBOL(rtl92c_dm_init);
  1172. void rtl92c_dm_dynamic_txpower(struct ieee80211_hw *hw)
  1173. {
  1174. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1175. struct rtl_phy *rtlphy = &(rtlpriv->phy);
  1176. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  1177. long undecorated_smoothed_pwdb;
  1178. if (!rtlpriv->dm.dynamic_txpower_enable)
  1179. return;
  1180. if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
  1181. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
  1182. return;
  1183. }
  1184. if ((mac->link_state < MAC80211_LINKED) &&
  1185. (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb == 0)) {
  1186. RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
  1187. "Not connected to any\n");
  1188. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
  1189. rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
  1190. return;
  1191. }
  1192. if (mac->link_state >= MAC80211_LINKED) {
  1193. if (mac->opmode == NL80211_IFTYPE_ADHOC) {
  1194. undecorated_smoothed_pwdb =
  1195. rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
  1196. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1197. "AP Client PWDB = 0x%lx\n",
  1198. undecorated_smoothed_pwdb);
  1199. } else {
  1200. undecorated_smoothed_pwdb =
  1201. rtlpriv->dm.undecorated_smoothed_pwdb;
  1202. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1203. "STA Default Port PWDB = 0x%lx\n",
  1204. undecorated_smoothed_pwdb);
  1205. }
  1206. } else {
  1207. undecorated_smoothed_pwdb =
  1208. rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
  1209. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1210. "AP Ext Port PWDB = 0x%lx\n",
  1211. undecorated_smoothed_pwdb);
  1212. }
  1213. if (undecorated_smoothed_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
  1214. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
  1215. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1216. "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n");
  1217. } else if ((undecorated_smoothed_pwdb <
  1218. (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
  1219. (undecorated_smoothed_pwdb >=
  1220. TX_POWER_NEAR_FIELD_THRESH_LVL1)) {
  1221. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
  1222. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1223. "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n");
  1224. } else if (undecorated_smoothed_pwdb <
  1225. (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) {
  1226. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
  1227. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1228. "TXHIGHPWRLEVEL_NORMAL\n");
  1229. }
  1230. if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
  1231. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1232. "PHY_SetTxPowerLevel8192S() Channel = %d\n",
  1233. rtlphy->current_channel);
  1234. rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel);
  1235. }
  1236. rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
  1237. }
  1238. void rtl92c_dm_watchdog(struct ieee80211_hw *hw)
  1239. {
  1240. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1241. struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
  1242. bool fw_current_inpsmode = false;
  1243. bool fw_ps_awake = true;
  1244. rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS,
  1245. (u8 *) (&fw_current_inpsmode));
  1246. rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FWLPS_RF_ON,
  1247. (u8 *) (&fw_ps_awake));
  1248. if ((ppsc->rfpwr_state == ERFON) && ((!fw_current_inpsmode) &&
  1249. fw_ps_awake)
  1250. && (!ppsc->rfchange_inprogress)) {
  1251. rtl92c_dm_pwdb_monitor(hw);
  1252. rtl92c_dm_dig(hw);
  1253. rtl92c_dm_false_alarm_counter_statistics(hw);
  1254. rtl92c_dm_dynamic_bb_powersaving(hw);
  1255. rtl92c_dm_dynamic_txpower(hw);
  1256. rtl92c_dm_check_txpower_tracking(hw);
  1257. rtl92c_dm_refresh_rate_adaptive_mask(hw);
  1258. rtl92c_dm_bt_coexist(hw);
  1259. rtl92c_dm_check_edca_turbo(hw);
  1260. }
  1261. }
  1262. EXPORT_SYMBOL(rtl92c_dm_watchdog);
  1263. u8 rtl92c_bt_rssi_state_change(struct ieee80211_hw *hw)
  1264. {
  1265. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1266. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1267. long undecorated_smoothed_pwdb;
  1268. u8 curr_bt_rssi_state = 0x00;
  1269. if (rtlpriv->mac80211.link_state == MAC80211_LINKED) {
  1270. undecorated_smoothed_pwdb =
  1271. GET_UNDECORATED_AVERAGE_RSSI(rtlpriv);
  1272. } else {
  1273. if (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb == 0)
  1274. undecorated_smoothed_pwdb = 100;
  1275. else
  1276. undecorated_smoothed_pwdb =
  1277. rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
  1278. }
  1279. /* Check RSSI to determine HighPower/NormalPower state for
  1280. * BT coexistence. */
  1281. if (undecorated_smoothed_pwdb >= 67)
  1282. curr_bt_rssi_state &= (~BT_RSSI_STATE_NORMAL_POWER);
  1283. else if (undecorated_smoothed_pwdb < 62)
  1284. curr_bt_rssi_state |= BT_RSSI_STATE_NORMAL_POWER;
  1285. /* Check RSSI to determine AMPDU setting for BT coexistence. */
  1286. if (undecorated_smoothed_pwdb >= 40)
  1287. curr_bt_rssi_state &= (~BT_RSSI_STATE_AMDPU_OFF);
  1288. else if (undecorated_smoothed_pwdb <= 32)
  1289. curr_bt_rssi_state |= BT_RSSI_STATE_AMDPU_OFF;
  1290. /* Marked RSSI state. It will be used to determine BT coexistence
  1291. * setting later. */
  1292. if (undecorated_smoothed_pwdb < 35)
  1293. curr_bt_rssi_state |= BT_RSSI_STATE_SPECIAL_LOW;
  1294. else
  1295. curr_bt_rssi_state &= (~BT_RSSI_STATE_SPECIAL_LOW);
  1296. /* Set Tx Power according to BT status. */
  1297. if (undecorated_smoothed_pwdb >= 30)
  1298. curr_bt_rssi_state |= BT_RSSI_STATE_TXPOWER_LOW;
  1299. else if (undecorated_smoothed_pwdb < 25)
  1300. curr_bt_rssi_state &= (~BT_RSSI_STATE_TXPOWER_LOW);
  1301. /* Check BT state related to BT_Idle in B/G mode. */
  1302. if (undecorated_smoothed_pwdb < 15)
  1303. curr_bt_rssi_state |= BT_RSSI_STATE_BG_EDCA_LOW;
  1304. else
  1305. curr_bt_rssi_state &= (~BT_RSSI_STATE_BG_EDCA_LOW);
  1306. if (curr_bt_rssi_state != rtlpcipriv->bt_coexist.bt_rssi_state) {
  1307. rtlpcipriv->bt_coexist.bt_rssi_state = curr_bt_rssi_state;
  1308. return true;
  1309. } else {
  1310. return false;
  1311. }
  1312. }
  1313. EXPORT_SYMBOL(rtl92c_bt_rssi_state_change);
  1314. static bool rtl92c_bt_state_change(struct ieee80211_hw *hw)
  1315. {
  1316. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1317. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1318. u32 polling, ratio_tx, ratio_pri;
  1319. u32 bt_tx, bt_pri;
  1320. u8 bt_state;
  1321. u8 cur_service_type;
  1322. if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
  1323. return false;
  1324. bt_state = rtl_read_byte(rtlpriv, 0x4fd);
  1325. bt_tx = rtl_read_dword(rtlpriv, 0x488);
  1326. bt_tx = bt_tx & 0x00ffffff;
  1327. bt_pri = rtl_read_dword(rtlpriv, 0x48c);
  1328. bt_pri = bt_pri & 0x00ffffff;
  1329. polling = rtl_read_dword(rtlpriv, 0x490);
  1330. if (bt_tx == 0xffffffff && bt_pri == 0xffffffff &&
  1331. polling == 0xffffffff && bt_state == 0xff)
  1332. return false;
  1333. bt_state &= BIT_OFFSET_LEN_MASK_32(0, 1);
  1334. if (bt_state != rtlpcipriv->bt_coexist.bt_cur_state) {
  1335. rtlpcipriv->bt_coexist.bt_cur_state = bt_state;
  1336. if (rtlpcipriv->bt_coexist.reg_bt_sco == 3) {
  1337. rtlpcipriv->bt_coexist.bt_service = BT_IDLE;
  1338. bt_state = bt_state |
  1339. ((rtlpcipriv->bt_coexist.bt_ant_isolation == 1) ?
  1340. 0 : BIT_OFFSET_LEN_MASK_32(1, 1)) |
  1341. BIT_OFFSET_LEN_MASK_32(2, 1);
  1342. rtl_write_byte(rtlpriv, 0x4fd, bt_state);
  1343. }
  1344. return true;
  1345. }
  1346. ratio_tx = bt_tx * 1000 / polling;
  1347. ratio_pri = bt_pri * 1000 / polling;
  1348. rtlpcipriv->bt_coexist.ratio_tx = ratio_tx;
  1349. rtlpcipriv->bt_coexist.ratio_pri = ratio_pri;
  1350. if (bt_state && rtlpcipriv->bt_coexist.reg_bt_sco == 3) {
  1351. if ((ratio_tx < 30) && (ratio_pri < 30))
  1352. cur_service_type = BT_IDLE;
  1353. else if ((ratio_pri > 110) && (ratio_pri < 250))
  1354. cur_service_type = BT_SCO;
  1355. else if ((ratio_tx >= 200) && (ratio_pri >= 200))
  1356. cur_service_type = BT_BUSY;
  1357. else if ((ratio_tx >= 350) && (ratio_tx < 500))
  1358. cur_service_type = BT_OTHERBUSY;
  1359. else if (ratio_tx >= 500)
  1360. cur_service_type = BT_PAN;
  1361. else
  1362. cur_service_type = BT_OTHER_ACTION;
  1363. if (cur_service_type != rtlpcipriv->bt_coexist.bt_service) {
  1364. rtlpcipriv->bt_coexist.bt_service = cur_service_type;
  1365. bt_state = bt_state |
  1366. ((rtlpcipriv->bt_coexist.bt_ant_isolation == 1) ?
  1367. 0 : BIT_OFFSET_LEN_MASK_32(1, 1)) |
  1368. ((rtlpcipriv->bt_coexist.bt_service != BT_IDLE) ?
  1369. 0 : BIT_OFFSET_LEN_MASK_32(2, 1));
  1370. /* Add interrupt migration when bt is not ini
  1371. * idle state (no traffic). */
  1372. if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
  1373. rtl_write_word(rtlpriv, 0x504, 0x0ccc);
  1374. rtl_write_byte(rtlpriv, 0x506, 0x54);
  1375. rtl_write_byte(rtlpriv, 0x507, 0x54);
  1376. } else {
  1377. rtl_write_byte(rtlpriv, 0x506, 0x00);
  1378. rtl_write_byte(rtlpriv, 0x507, 0x00);
  1379. }
  1380. rtl_write_byte(rtlpriv, 0x4fd, bt_state);
  1381. return true;
  1382. }
  1383. }
  1384. return false;
  1385. }
  1386. static bool rtl92c_bt_wifi_connect_change(struct ieee80211_hw *hw)
  1387. {
  1388. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1389. static bool media_connect;
  1390. if (rtlpriv->mac80211.link_state < MAC80211_LINKED) {
  1391. media_connect = false;
  1392. } else {
  1393. if (!media_connect) {
  1394. media_connect = true;
  1395. return true;
  1396. }
  1397. media_connect = true;
  1398. }
  1399. return false;
  1400. }
  1401. static void rtl92c_bt_set_normal(struct ieee80211_hw *hw)
  1402. {
  1403. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1404. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1405. if (rtlpcipriv->bt_coexist.bt_service == BT_OTHERBUSY) {
  1406. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea72b;
  1407. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea72b;
  1408. } else if (rtlpcipriv->bt_coexist.bt_service == BT_BUSY) {
  1409. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5eb82f;
  1410. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5eb82f;
  1411. } else if (rtlpcipriv->bt_coexist.bt_service == BT_SCO) {
  1412. if (rtlpcipriv->bt_coexist.ratio_tx > 160) {
  1413. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea72f;
  1414. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea72f;
  1415. } else {
  1416. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea32b;
  1417. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea42b;
  1418. }
  1419. } else {
  1420. rtlpcipriv->bt_coexist.bt_edca_ul = 0;
  1421. rtlpcipriv->bt_coexist.bt_edca_dl = 0;
  1422. }
  1423. if ((rtlpcipriv->bt_coexist.bt_service != BT_IDLE) &&
  1424. (rtlpriv->mac80211.mode == WIRELESS_MODE_G ||
  1425. (rtlpriv->mac80211.mode == (WIRELESS_MODE_G | WIRELESS_MODE_B))) &&
  1426. (rtlpcipriv->bt_coexist.bt_rssi_state &
  1427. BT_RSSI_STATE_BG_EDCA_LOW)) {
  1428. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5eb82b;
  1429. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5eb82b;
  1430. }
  1431. }
  1432. static void rtl92c_bt_ant_isolation(struct ieee80211_hw *hw)
  1433. {
  1434. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1435. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1436. /* Only enable HW BT coexist when BT in "Busy" state. */
  1437. if (rtlpriv->mac80211.vendor == PEER_CISCO &&
  1438. rtlpcipriv->bt_coexist.bt_service == BT_OTHER_ACTION) {
  1439. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
  1440. } else {
  1441. if ((rtlpcipriv->bt_coexist.bt_service == BT_BUSY) &&
  1442. (rtlpcipriv->bt_coexist.bt_rssi_state &
  1443. BT_RSSI_STATE_NORMAL_POWER)) {
  1444. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
  1445. } else if ((rtlpcipriv->bt_coexist.bt_service ==
  1446. BT_OTHER_ACTION) && (rtlpriv->mac80211.mode <
  1447. WIRELESS_MODE_N_24G) &&
  1448. (rtlpcipriv->bt_coexist.bt_rssi_state &
  1449. BT_RSSI_STATE_SPECIAL_LOW)) {
  1450. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
  1451. } else if (rtlpcipriv->bt_coexist.bt_service == BT_PAN) {
  1452. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0x00);
  1453. } else {
  1454. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0x00);
  1455. }
  1456. }
  1457. if (rtlpcipriv->bt_coexist.bt_service == BT_PAN)
  1458. rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x10100);
  1459. else
  1460. rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x0);
  1461. if (rtlpcipriv->bt_coexist.bt_rssi_state &
  1462. BT_RSSI_STATE_NORMAL_POWER) {
  1463. rtl92c_bt_set_normal(hw);
  1464. } else {
  1465. rtlpcipriv->bt_coexist.bt_edca_ul = 0;
  1466. rtlpcipriv->bt_coexist.bt_edca_dl = 0;
  1467. }
  1468. if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
  1469. rtlpriv->cfg->ops->set_rfreg(hw,
  1470. RF90_PATH_A,
  1471. 0x1e,
  1472. 0xf0, 0xf);
  1473. } else {
  1474. rtlpriv->cfg->ops->set_rfreg(hw,
  1475. RF90_PATH_A, 0x1e, 0xf0,
  1476. rtlpcipriv->bt_coexist.bt_rfreg_origin_1e);
  1477. }
  1478. if (!rtlpriv->dm.dynamic_txpower_enable) {
  1479. if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
  1480. if (rtlpcipriv->bt_coexist.bt_rssi_state &
  1481. BT_RSSI_STATE_TXPOWER_LOW) {
  1482. rtlpriv->dm.dynamic_txhighpower_lvl =
  1483. TXHIGHPWRLEVEL_BT2;
  1484. } else {
  1485. rtlpriv->dm.dynamic_txhighpower_lvl =
  1486. TXHIGHPWRLEVEL_BT1;
  1487. }
  1488. } else {
  1489. rtlpriv->dm.dynamic_txhighpower_lvl =
  1490. TXHIGHPWRLEVEL_NORMAL;
  1491. }
  1492. rtl92c_phy_set_txpower_level(hw,
  1493. rtlpriv->phy.current_channel);
  1494. }
  1495. }
  1496. static void rtl92c_check_bt_change(struct ieee80211_hw *hw)
  1497. {
  1498. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1499. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1500. if (rtlpcipriv->bt_coexist.bt_cur_state) {
  1501. if (rtlpcipriv->bt_coexist.bt_ant_isolation)
  1502. rtl92c_bt_ant_isolation(hw);
  1503. } else {
  1504. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0x00);
  1505. rtlpriv->cfg->ops->set_rfreg(hw, RF90_PATH_A, 0x1e, 0xf0,
  1506. rtlpcipriv->bt_coexist.bt_rfreg_origin_1e);
  1507. rtlpcipriv->bt_coexist.bt_edca_ul = 0;
  1508. rtlpcipriv->bt_coexist.bt_edca_dl = 0;
  1509. }
  1510. }
  1511. void rtl92c_dm_bt_coexist(struct ieee80211_hw *hw)
  1512. {
  1513. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1514. bool wifi_connect_change;
  1515. bool bt_state_change;
  1516. bool rssi_state_change;
  1517. if ((rtlpcipriv->bt_coexist.bt_coexistence) &&
  1518. (rtlpcipriv->bt_coexist.bt_coexist_type == BT_CSR_BC4)) {
  1519. wifi_connect_change = rtl92c_bt_wifi_connect_change(hw);
  1520. bt_state_change = rtl92c_bt_state_change(hw);
  1521. rssi_state_change = rtl92c_bt_rssi_state_change(hw);
  1522. if (wifi_connect_change || bt_state_change || rssi_state_change)
  1523. rtl92c_check_bt_change(hw);
  1524. }
  1525. }
  1526. EXPORT_SYMBOL(rtl92c_dm_bt_coexist);