dm_common.c 53 KB

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  1. /******************************************************************************
  2. *
  3. * Copyright(c) 2009-2010 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, "
  231. "cnt_crc8_fail = %d, cnt_mcs_fail = %d\n",
  232. falsealm_cnt->cnt_parity_fail,
  233. falsealm_cnt->cnt_rate_illegal,
  234. falsealm_cnt->cnt_crc8_fail, falsealm_cnt->cnt_mcs_fail));
  235. RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
  236. ("cnt_ofdm_fail = %x, cnt_cck_fail = %x, cnt_all = %x\n",
  237. falsealm_cnt->cnt_ofdm_fail,
  238. falsealm_cnt->cnt_cck_fail, falsealm_cnt->cnt_all));
  239. }
  240. static void rtl92c_dm_ctrl_initgain_by_fa(struct ieee80211_hw *hw)
  241. {
  242. struct rtl_priv *rtlpriv = rtl_priv(hw);
  243. u8 value_igi = dm_digtable.cur_igvalue;
  244. if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH0)
  245. value_igi--;
  246. else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH1)
  247. value_igi += 0;
  248. else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH2)
  249. value_igi++;
  250. else if (rtlpriv->falsealm_cnt.cnt_all >= DM_DIG_FA_TH2)
  251. value_igi += 2;
  252. if (value_igi > DM_DIG_FA_UPPER)
  253. value_igi = DM_DIG_FA_UPPER;
  254. else if (value_igi < DM_DIG_FA_LOWER)
  255. value_igi = DM_DIG_FA_LOWER;
  256. if (rtlpriv->falsealm_cnt.cnt_all > 10000)
  257. value_igi = 0x32;
  258. dm_digtable.cur_igvalue = value_igi;
  259. rtl92c_dm_write_dig(hw);
  260. }
  261. static void rtl92c_dm_ctrl_initgain_by_rssi(struct ieee80211_hw *hw)
  262. {
  263. struct rtl_priv *rtlpriv = rtl_priv(hw);
  264. if (rtlpriv->falsealm_cnt.cnt_all > dm_digtable.fa_highthresh) {
  265. if ((dm_digtable.backoff_val - 2) <
  266. dm_digtable.backoff_val_range_min)
  267. dm_digtable.backoff_val =
  268. dm_digtable.backoff_val_range_min;
  269. else
  270. dm_digtable.backoff_val -= 2;
  271. } else if (rtlpriv->falsealm_cnt.cnt_all < dm_digtable.fa_lowthresh) {
  272. if ((dm_digtable.backoff_val + 2) >
  273. dm_digtable.backoff_val_range_max)
  274. dm_digtable.backoff_val =
  275. dm_digtable.backoff_val_range_max;
  276. else
  277. dm_digtable.backoff_val += 2;
  278. }
  279. if ((dm_digtable.rssi_val_min + 10 - dm_digtable.backoff_val) >
  280. dm_digtable.rx_gain_range_max)
  281. dm_digtable.cur_igvalue = dm_digtable.rx_gain_range_max;
  282. else if ((dm_digtable.rssi_val_min + 10 -
  283. dm_digtable.backoff_val) < dm_digtable.rx_gain_range_min)
  284. dm_digtable.cur_igvalue = dm_digtable.rx_gain_range_min;
  285. else
  286. dm_digtable.cur_igvalue = dm_digtable.rssi_val_min + 10 -
  287. dm_digtable.backoff_val;
  288. RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
  289. ("rssi_val_min = %x backoff_val %x\n",
  290. dm_digtable.rssi_val_min, dm_digtable.backoff_val));
  291. rtl92c_dm_write_dig(hw);
  292. }
  293. static void rtl92c_dm_initial_gain_multi_sta(struct ieee80211_hw *hw)
  294. {
  295. static u8 initialized; /* initialized to false */
  296. struct rtl_priv *rtlpriv = rtl_priv(hw);
  297. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  298. long rssi_strength = rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
  299. bool multi_sta = false;
  300. if (mac->opmode == NL80211_IFTYPE_ADHOC)
  301. multi_sta = true;
  302. if ((multi_sta == false) || (dm_digtable.cursta_connectctate !=
  303. DIG_STA_DISCONNECT)) {
  304. initialized = false;
  305. dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
  306. return;
  307. } else if (initialized == false) {
  308. initialized = true;
  309. dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
  310. dm_digtable.cur_igvalue = 0x20;
  311. rtl92c_dm_write_dig(hw);
  312. }
  313. if (dm_digtable.curmultista_connectstate == DIG_MULTISTA_CONNECT) {
  314. if ((rssi_strength < dm_digtable.rssi_lowthresh) &&
  315. (dm_digtable.dig_ext_port_stage != DIG_EXT_PORT_STAGE_1)) {
  316. if (dm_digtable.dig_ext_port_stage ==
  317. DIG_EXT_PORT_STAGE_2) {
  318. dm_digtable.cur_igvalue = 0x20;
  319. rtl92c_dm_write_dig(hw);
  320. }
  321. dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_1;
  322. } else if (rssi_strength > dm_digtable.rssi_highthresh) {
  323. dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_2;
  324. rtl92c_dm_ctrl_initgain_by_fa(hw);
  325. }
  326. } else if (dm_digtable.dig_ext_port_stage != DIG_EXT_PORT_STAGE_0) {
  327. dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
  328. dm_digtable.cur_igvalue = 0x20;
  329. rtl92c_dm_write_dig(hw);
  330. }
  331. RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
  332. ("curmultista_connectstate = "
  333. "%x dig_ext_port_stage %x\n",
  334. dm_digtable.curmultista_connectstate,
  335. dm_digtable.dig_ext_port_stage));
  336. }
  337. static void rtl92c_dm_initial_gain_sta(struct ieee80211_hw *hw)
  338. {
  339. struct rtl_priv *rtlpriv = rtl_priv(hw);
  340. RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
  341. ("presta_connectstate = %x,"
  342. " cursta_connectctate = %x\n",
  343. dm_digtable.presta_connectstate,
  344. dm_digtable.cursta_connectctate));
  345. if (dm_digtable.presta_connectstate == dm_digtable.cursta_connectctate
  346. || dm_digtable.cursta_connectctate == DIG_STA_BEFORE_CONNECT
  347. || dm_digtable.cursta_connectctate == DIG_STA_CONNECT) {
  348. if (dm_digtable.cursta_connectctate != DIG_STA_DISCONNECT) {
  349. dm_digtable.rssi_val_min =
  350. rtl92c_dm_initial_gain_min_pwdb(hw);
  351. rtl92c_dm_ctrl_initgain_by_rssi(hw);
  352. }
  353. } else {
  354. dm_digtable.rssi_val_min = 0;
  355. dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
  356. dm_digtable.backoff_val = DM_DIG_BACKOFF_DEFAULT;
  357. dm_digtable.cur_igvalue = 0x20;
  358. dm_digtable.pre_igvalue = 0;
  359. rtl92c_dm_write_dig(hw);
  360. }
  361. }
  362. static void rtl92c_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
  363. {
  364. struct rtl_priv *rtlpriv = rtl_priv(hw);
  365. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  366. if (dm_digtable.cursta_connectctate == DIG_STA_CONNECT) {
  367. dm_digtable.rssi_val_min = rtl92c_dm_initial_gain_min_pwdb(hw);
  368. if (dm_digtable.pre_cck_pd_state == CCK_PD_STAGE_LowRssi) {
  369. if (dm_digtable.rssi_val_min <= 25)
  370. dm_digtable.cur_cck_pd_state =
  371. CCK_PD_STAGE_LowRssi;
  372. else
  373. dm_digtable.cur_cck_pd_state =
  374. CCK_PD_STAGE_HighRssi;
  375. } else {
  376. if (dm_digtable.rssi_val_min <= 20)
  377. dm_digtable.cur_cck_pd_state =
  378. CCK_PD_STAGE_LowRssi;
  379. else
  380. dm_digtable.cur_cck_pd_state =
  381. CCK_PD_STAGE_HighRssi;
  382. }
  383. } else {
  384. dm_digtable.cur_cck_pd_state = CCK_PD_STAGE_MAX;
  385. }
  386. if (dm_digtable.pre_cck_pd_state != dm_digtable.cur_cck_pd_state) {
  387. if (dm_digtable.cur_cck_pd_state == CCK_PD_STAGE_LowRssi) {
  388. if (rtlpriv->falsealm_cnt.cnt_cck_fail > 800)
  389. dm_digtable.cur_cck_fa_state =
  390. CCK_FA_STAGE_High;
  391. else
  392. dm_digtable.cur_cck_fa_state = CCK_FA_STAGE_Low;
  393. if (dm_digtable.pre_cck_fa_state !=
  394. dm_digtable.cur_cck_fa_state) {
  395. if (dm_digtable.cur_cck_fa_state ==
  396. CCK_FA_STAGE_Low)
  397. rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2,
  398. 0x83);
  399. else
  400. rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2,
  401. 0xcd);
  402. dm_digtable.pre_cck_fa_state =
  403. dm_digtable.cur_cck_fa_state;
  404. }
  405. rtl_set_bbreg(hw, RCCK0_SYSTEM, MASKBYTE1, 0x40);
  406. if (IS_92C_SERIAL(rtlhal->version))
  407. rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT,
  408. MASKBYTE2, 0xd7);
  409. } else {
  410. rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0xcd);
  411. rtl_set_bbreg(hw, RCCK0_SYSTEM, MASKBYTE1, 0x47);
  412. if (IS_92C_SERIAL(rtlhal->version))
  413. rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT,
  414. MASKBYTE2, 0xd3);
  415. }
  416. dm_digtable.pre_cck_pd_state = dm_digtable.cur_cck_pd_state;
  417. }
  418. RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
  419. ("CCKPDStage=%x\n", dm_digtable.cur_cck_pd_state));
  420. RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
  421. ("is92C=%x\n", IS_92C_SERIAL(rtlhal->version)));
  422. }
  423. static void rtl92c_dm_ctrl_initgain_by_twoport(struct ieee80211_hw *hw)
  424. {
  425. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  426. if (mac->act_scanning)
  427. return;
  428. if (mac->link_state >= MAC80211_LINKED)
  429. dm_digtable.cursta_connectctate = DIG_STA_CONNECT;
  430. else
  431. dm_digtable.cursta_connectctate = DIG_STA_DISCONNECT;
  432. rtl92c_dm_initial_gain_sta(hw);
  433. rtl92c_dm_initial_gain_multi_sta(hw);
  434. rtl92c_dm_cck_packet_detection_thresh(hw);
  435. dm_digtable.presta_connectstate = dm_digtable.cursta_connectctate;
  436. }
  437. static void rtl92c_dm_dig(struct ieee80211_hw *hw)
  438. {
  439. struct rtl_priv *rtlpriv = rtl_priv(hw);
  440. if (rtlpriv->dm.dm_initialgain_enable == false)
  441. return;
  442. if (dm_digtable.dig_enable_flag == false)
  443. return;
  444. rtl92c_dm_ctrl_initgain_by_twoport(hw);
  445. }
  446. static void rtl92c_dm_init_dynamic_txpower(struct ieee80211_hw *hw)
  447. {
  448. struct rtl_priv *rtlpriv = rtl_priv(hw);
  449. rtlpriv->dm.dynamic_txpower_enable = false;
  450. rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
  451. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
  452. }
  453. void rtl92c_dm_write_dig(struct ieee80211_hw *hw)
  454. {
  455. struct rtl_priv *rtlpriv = rtl_priv(hw);
  456. RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD,
  457. ("cur_igvalue = 0x%x, "
  458. "pre_igvalue = 0x%x, backoff_val = %d\n",
  459. dm_digtable.cur_igvalue, dm_digtable.pre_igvalue,
  460. dm_digtable.backoff_val));
  461. if (dm_digtable.pre_igvalue != dm_digtable.cur_igvalue) {
  462. rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f,
  463. dm_digtable.cur_igvalue);
  464. rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, 0x7f,
  465. dm_digtable.cur_igvalue);
  466. dm_digtable.pre_igvalue = dm_digtable.cur_igvalue;
  467. }
  468. }
  469. EXPORT_SYMBOL(rtl92c_dm_write_dig);
  470. static void rtl92c_dm_pwdb_monitor(struct ieee80211_hw *hw)
  471. {
  472. struct rtl_priv *rtlpriv = rtl_priv(hw);
  473. long tmpentry_max_pwdb = 0, tmpentry_min_pwdb = 0xff;
  474. u8 h2c_parameter[3] = { 0 };
  475. return;
  476. if (tmpentry_max_pwdb != 0) {
  477. rtlpriv->dm.entry_max_undecoratedsmoothed_pwdb =
  478. tmpentry_max_pwdb;
  479. } else {
  480. rtlpriv->dm.entry_max_undecoratedsmoothed_pwdb = 0;
  481. }
  482. if (tmpentry_min_pwdb != 0xff) {
  483. rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb =
  484. tmpentry_min_pwdb;
  485. } else {
  486. rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb = 0;
  487. }
  488. h2c_parameter[2] = (u8) (rtlpriv->dm.undecorated_smoothed_pwdb & 0xFF);
  489. h2c_parameter[0] = 0;
  490. rtl92c_fill_h2c_cmd(hw, H2C_RSSI_REPORT, 3, h2c_parameter);
  491. }
  492. void rtl92c_dm_init_edca_turbo(struct ieee80211_hw *hw)
  493. {
  494. struct rtl_priv *rtlpriv = rtl_priv(hw);
  495. rtlpriv->dm.current_turbo_edca = false;
  496. rtlpriv->dm.is_any_nonbepkts = false;
  497. rtlpriv->dm.is_cur_rdlstate = false;
  498. }
  499. EXPORT_SYMBOL(rtl92c_dm_init_edca_turbo);
  500. static void rtl92c_dm_check_edca_turbo(struct ieee80211_hw *hw)
  501. {
  502. struct rtl_priv *rtlpriv = rtl_priv(hw);
  503. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  504. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  505. static u64 last_txok_cnt;
  506. static u64 last_rxok_cnt;
  507. static u32 last_bt_edca_ul;
  508. static u32 last_bt_edca_dl;
  509. u64 cur_txok_cnt = 0;
  510. u64 cur_rxok_cnt = 0;
  511. u32 edca_be_ul = 0x5ea42b;
  512. u32 edca_be_dl = 0x5ea42b;
  513. bool bt_change_edca = false;
  514. if ((last_bt_edca_ul != rtlpcipriv->bt_coexist.bt_edca_ul) ||
  515. (last_bt_edca_dl != rtlpcipriv->bt_coexist.bt_edca_dl)) {
  516. rtlpriv->dm.current_turbo_edca = false;
  517. last_bt_edca_ul = rtlpcipriv->bt_coexist.bt_edca_ul;
  518. last_bt_edca_dl = rtlpcipriv->bt_coexist.bt_edca_dl;
  519. }
  520. if (rtlpcipriv->bt_coexist.bt_edca_ul != 0) {
  521. edca_be_ul = rtlpcipriv->bt_coexist.bt_edca_ul;
  522. bt_change_edca = true;
  523. }
  524. if (rtlpcipriv->bt_coexist.bt_edca_dl != 0) {
  525. edca_be_ul = rtlpcipriv->bt_coexist.bt_edca_dl;
  526. bt_change_edca = true;
  527. }
  528. if (mac->link_state != MAC80211_LINKED) {
  529. rtlpriv->dm.current_turbo_edca = false;
  530. return;
  531. }
  532. if ((!mac->ht_enable) && (!rtlpcipriv->bt_coexist.bt_coexistence)) {
  533. if (!(edca_be_ul & 0xffff0000))
  534. edca_be_ul |= 0x005e0000;
  535. if (!(edca_be_dl & 0xffff0000))
  536. edca_be_dl |= 0x005e0000;
  537. }
  538. if ((bt_change_edca) || ((!rtlpriv->dm.is_any_nonbepkts) &&
  539. (!rtlpriv->dm.disable_framebursting))) {
  540. cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt;
  541. cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - last_rxok_cnt;
  542. if (cur_rxok_cnt > 4 * cur_txok_cnt) {
  543. if (!rtlpriv->dm.is_cur_rdlstate ||
  544. !rtlpriv->dm.current_turbo_edca) {
  545. rtl_write_dword(rtlpriv,
  546. REG_EDCA_BE_PARAM,
  547. edca_be_dl);
  548. rtlpriv->dm.is_cur_rdlstate = true;
  549. }
  550. } else {
  551. if (rtlpriv->dm.is_cur_rdlstate ||
  552. !rtlpriv->dm.current_turbo_edca) {
  553. rtl_write_dword(rtlpriv,
  554. REG_EDCA_BE_PARAM,
  555. edca_be_ul);
  556. rtlpriv->dm.is_cur_rdlstate = false;
  557. }
  558. }
  559. rtlpriv->dm.current_turbo_edca = true;
  560. } else {
  561. if (rtlpriv->dm.current_turbo_edca) {
  562. u8 tmp = AC0_BE;
  563. rtlpriv->cfg->ops->set_hw_reg(hw,
  564. HW_VAR_AC_PARAM,
  565. (u8 *) (&tmp));
  566. rtlpriv->dm.current_turbo_edca = false;
  567. }
  568. }
  569. rtlpriv->dm.is_any_nonbepkts = false;
  570. last_txok_cnt = rtlpriv->stats.txbytesunicast;
  571. last_rxok_cnt = rtlpriv->stats.rxbytesunicast;
  572. }
  573. static void rtl92c_dm_txpower_tracking_callback_thermalmeter(struct ieee80211_hw
  574. *hw)
  575. {
  576. struct rtl_priv *rtlpriv = rtl_priv(hw);
  577. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  578. struct rtl_phy *rtlphy = &(rtlpriv->phy);
  579. struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
  580. u8 thermalvalue, delta, delta_lck, delta_iqk;
  581. long ele_a, ele_d, temp_cck, val_x, value32;
  582. long val_y, ele_c = 0;
  583. u8 ofdm_index[2], cck_index = 0, ofdm_index_old[2], cck_index_old = 0;
  584. int i;
  585. bool is2t = IS_92C_SERIAL(rtlhal->version);
  586. s8 txpwr_level[2] = {0, 0};
  587. u8 ofdm_min_index = 6, rf;
  588. rtlpriv->dm.txpower_trackinginit = true;
  589. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  590. ("rtl92c_dm_txpower_tracking_callback_thermalmeter\n"));
  591. thermalvalue = (u8) rtl_get_rfreg(hw, RF90_PATH_A, RF_T_METER, 0x1f);
  592. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  593. ("Readback Thermal Meter = 0x%x pre thermal meter 0x%x "
  594. "eeprom_thermalmeter 0x%x\n",
  595. thermalvalue, rtlpriv->dm.thermalvalue,
  596. rtlefuse->eeprom_thermalmeter));
  597. rtl92c_phy_ap_calibrate(hw, (thermalvalue -
  598. rtlefuse->eeprom_thermalmeter));
  599. if (is2t)
  600. rf = 2;
  601. else
  602. rf = 1;
  603. if (thermalvalue) {
  604. ele_d = rtl_get_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
  605. MASKDWORD) & MASKOFDM_D;
  606. for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
  607. if (ele_d == (ofdmswing_table[i] & MASKOFDM_D)) {
  608. ofdm_index_old[0] = (u8) i;
  609. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  610. ("Initial pathA ele_d reg0x%x = 0x%lx, "
  611. "ofdm_index=0x%x\n",
  612. ROFDM0_XATXIQIMBALANCE,
  613. ele_d, ofdm_index_old[0]));
  614. break;
  615. }
  616. }
  617. if (is2t) {
  618. ele_d = rtl_get_bbreg(hw, ROFDM0_XBTXIQIMBALANCE,
  619. MASKDWORD) & MASKOFDM_D;
  620. for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
  621. if (ele_d == (ofdmswing_table[i] &
  622. MASKOFDM_D)) {
  623. RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
  624. DBG_LOUD,
  625. ("Initial pathB ele_d reg0x%x = "
  626. "0x%lx, ofdm_index=0x%x\n",
  627. ROFDM0_XBTXIQIMBALANCE, ele_d,
  628. ofdm_index_old[1]));
  629. break;
  630. }
  631. }
  632. }
  633. temp_cck =
  634. rtl_get_bbreg(hw, RCCK0_TXFILTER2, MASKDWORD) & MASKCCK;
  635. for (i = 0; i < CCK_TABLE_LENGTH; i++) {
  636. if (rtlpriv->dm.cck_inch14) {
  637. if (memcmp((void *)&temp_cck,
  638. (void *)&cckswing_table_ch14[i][2],
  639. 4) == 0) {
  640. cck_index_old = (u8) i;
  641. RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
  642. DBG_LOUD,
  643. ("Initial reg0x%x = 0x%lx, "
  644. "cck_index=0x%x, ch 14 %d\n",
  645. RCCK0_TXFILTER2, temp_cck,
  646. cck_index_old,
  647. rtlpriv->dm.cck_inch14));
  648. break;
  649. }
  650. } else {
  651. if (memcmp((void *)&temp_cck,
  652. (void *)
  653. &cckswing_table_ch1ch13[i][2],
  654. 4) == 0) {
  655. cck_index_old = (u8) i;
  656. RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
  657. DBG_LOUD,
  658. ("Initial reg0x%x = 0x%lx, "
  659. "cck_index=0x%x, ch14 %d\n",
  660. RCCK0_TXFILTER2, temp_cck,
  661. cck_index_old,
  662. rtlpriv->dm.cck_inch14));
  663. break;
  664. }
  665. }
  666. }
  667. if (!rtlpriv->dm.thermalvalue) {
  668. rtlpriv->dm.thermalvalue =
  669. rtlefuse->eeprom_thermalmeter;
  670. rtlpriv->dm.thermalvalue_lck = thermalvalue;
  671. rtlpriv->dm.thermalvalue_iqk = thermalvalue;
  672. for (i = 0; i < rf; i++)
  673. rtlpriv->dm.ofdm_index[i] = ofdm_index_old[i];
  674. rtlpriv->dm.cck_index = cck_index_old;
  675. }
  676. delta = (thermalvalue > rtlpriv->dm.thermalvalue) ?
  677. (thermalvalue - rtlpriv->dm.thermalvalue) :
  678. (rtlpriv->dm.thermalvalue - thermalvalue);
  679. delta_lck = (thermalvalue > rtlpriv->dm.thermalvalue_lck) ?
  680. (thermalvalue - rtlpriv->dm.thermalvalue_lck) :
  681. (rtlpriv->dm.thermalvalue_lck - thermalvalue);
  682. delta_iqk = (thermalvalue > rtlpriv->dm.thermalvalue_iqk) ?
  683. (thermalvalue - rtlpriv->dm.thermalvalue_iqk) :
  684. (rtlpriv->dm.thermalvalue_iqk - thermalvalue);
  685. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  686. ("Readback Thermal Meter = 0x%x pre thermal meter 0x%x "
  687. "eeprom_thermalmeter 0x%x delta 0x%x "
  688. "delta_lck 0x%x delta_iqk 0x%x\n",
  689. thermalvalue, rtlpriv->dm.thermalvalue,
  690. rtlefuse->eeprom_thermalmeter, delta, delta_lck,
  691. delta_iqk));
  692. if (delta_lck > 1) {
  693. rtlpriv->dm.thermalvalue_lck = thermalvalue;
  694. rtl92c_phy_lc_calibrate(hw);
  695. }
  696. if (delta > 0 && rtlpriv->dm.txpower_track_control) {
  697. if (thermalvalue > rtlpriv->dm.thermalvalue) {
  698. for (i = 0; i < rf; i++)
  699. rtlpriv->dm.ofdm_index[i] -= delta;
  700. rtlpriv->dm.cck_index -= delta;
  701. } else {
  702. for (i = 0; i < rf; i++)
  703. rtlpriv->dm.ofdm_index[i] += delta;
  704. rtlpriv->dm.cck_index += delta;
  705. }
  706. if (is2t) {
  707. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  708. ("temp OFDM_A_index=0x%x, "
  709. "OFDM_B_index=0x%x,"
  710. "cck_index=0x%x\n",
  711. rtlpriv->dm.ofdm_index[0],
  712. rtlpriv->dm.ofdm_index[1],
  713. rtlpriv->dm.cck_index));
  714. } else {
  715. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  716. ("temp OFDM_A_index=0x%x,"
  717. "cck_index=0x%x\n",
  718. rtlpriv->dm.ofdm_index[0],
  719. rtlpriv->dm.cck_index));
  720. }
  721. if (thermalvalue > rtlefuse->eeprom_thermalmeter) {
  722. for (i = 0; i < rf; i++)
  723. ofdm_index[i] =
  724. rtlpriv->dm.ofdm_index[i]
  725. + 1;
  726. cck_index = rtlpriv->dm.cck_index + 1;
  727. } else {
  728. for (i = 0; i < rf; i++)
  729. ofdm_index[i] =
  730. rtlpriv->dm.ofdm_index[i];
  731. cck_index = rtlpriv->dm.cck_index;
  732. }
  733. for (i = 0; i < rf; i++) {
  734. if (txpwr_level[i] >= 0 &&
  735. txpwr_level[i] <= 26) {
  736. if (thermalvalue >
  737. rtlefuse->eeprom_thermalmeter) {
  738. if (delta < 5)
  739. ofdm_index[i] -= 1;
  740. else
  741. ofdm_index[i] -= 2;
  742. } else if (delta > 5 && thermalvalue <
  743. rtlefuse->
  744. eeprom_thermalmeter) {
  745. ofdm_index[i] += 1;
  746. }
  747. } else if (txpwr_level[i] >= 27 &&
  748. txpwr_level[i] <= 32
  749. && thermalvalue >
  750. rtlefuse->eeprom_thermalmeter) {
  751. if (delta < 5)
  752. ofdm_index[i] -= 1;
  753. else
  754. ofdm_index[i] -= 2;
  755. } else if (txpwr_level[i] >= 32 &&
  756. txpwr_level[i] <= 38 &&
  757. thermalvalue >
  758. rtlefuse->eeprom_thermalmeter
  759. && delta > 5) {
  760. ofdm_index[i] -= 1;
  761. }
  762. }
  763. if (txpwr_level[i] >= 0 && txpwr_level[i] <= 26) {
  764. if (thermalvalue >
  765. rtlefuse->eeprom_thermalmeter) {
  766. if (delta < 5)
  767. cck_index -= 1;
  768. else
  769. cck_index -= 2;
  770. } else if (delta > 5 && thermalvalue <
  771. rtlefuse->eeprom_thermalmeter) {
  772. cck_index += 1;
  773. }
  774. } else if (txpwr_level[i] >= 27 &&
  775. txpwr_level[i] <= 32 &&
  776. thermalvalue >
  777. rtlefuse->eeprom_thermalmeter) {
  778. if (delta < 5)
  779. cck_index -= 1;
  780. else
  781. cck_index -= 2;
  782. } else if (txpwr_level[i] >= 32 &&
  783. txpwr_level[i] <= 38 &&
  784. thermalvalue > rtlefuse->eeprom_thermalmeter
  785. && delta > 5) {
  786. cck_index -= 1;
  787. }
  788. for (i = 0; i < rf; i++) {
  789. if (ofdm_index[i] > OFDM_TABLE_SIZE - 1)
  790. ofdm_index[i] = OFDM_TABLE_SIZE - 1;
  791. else if (ofdm_index[i] < ofdm_min_index)
  792. ofdm_index[i] = ofdm_min_index;
  793. }
  794. if (cck_index > CCK_TABLE_SIZE - 1)
  795. cck_index = CCK_TABLE_SIZE - 1;
  796. else if (cck_index < 0)
  797. cck_index = 0;
  798. if (is2t) {
  799. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  800. ("new OFDM_A_index=0x%x, "
  801. "OFDM_B_index=0x%x,"
  802. "cck_index=0x%x\n",
  803. ofdm_index[0], ofdm_index[1],
  804. cck_index));
  805. } else {
  806. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  807. ("new OFDM_A_index=0x%x,"
  808. "cck_index=0x%x\n",
  809. ofdm_index[0], cck_index));
  810. }
  811. }
  812. if (rtlpriv->dm.txpower_track_control && delta != 0) {
  813. ele_d =
  814. (ofdmswing_table[ofdm_index[0]] & 0xFFC00000) >> 22;
  815. val_x = rtlphy->reg_e94;
  816. val_y = rtlphy->reg_e9c;
  817. if (val_x != 0) {
  818. if ((val_x & 0x00000200) != 0)
  819. val_x = val_x | 0xFFFFFC00;
  820. ele_a = ((val_x * ele_d) >> 8) & 0x000003FF;
  821. if ((val_y & 0x00000200) != 0)
  822. val_y = val_y | 0xFFFFFC00;
  823. ele_c = ((val_y * ele_d) >> 8) & 0x000003FF;
  824. value32 = (ele_d << 22) |
  825. ((ele_c & 0x3F) << 16) | ele_a;
  826. rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
  827. MASKDWORD, value32);
  828. value32 = (ele_c & 0x000003C0) >> 6;
  829. rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
  830. value32);
  831. value32 = ((val_x * ele_d) >> 7) & 0x01;
  832. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  833. BIT(31), value32);
  834. value32 = ((val_y * ele_d) >> 7) & 0x01;
  835. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  836. BIT(29), value32);
  837. } else {
  838. rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
  839. MASKDWORD,
  840. ofdmswing_table[ofdm_index[0]]);
  841. rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
  842. 0x00);
  843. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  844. BIT(31) | BIT(29), 0x00);
  845. }
  846. if (!rtlpriv->dm.cck_inch14) {
  847. rtl_write_byte(rtlpriv, 0xa22,
  848. cckswing_table_ch1ch13[cck_index]
  849. [0]);
  850. rtl_write_byte(rtlpriv, 0xa23,
  851. cckswing_table_ch1ch13[cck_index]
  852. [1]);
  853. rtl_write_byte(rtlpriv, 0xa24,
  854. cckswing_table_ch1ch13[cck_index]
  855. [2]);
  856. rtl_write_byte(rtlpriv, 0xa25,
  857. cckswing_table_ch1ch13[cck_index]
  858. [3]);
  859. rtl_write_byte(rtlpriv, 0xa26,
  860. cckswing_table_ch1ch13[cck_index]
  861. [4]);
  862. rtl_write_byte(rtlpriv, 0xa27,
  863. cckswing_table_ch1ch13[cck_index]
  864. [5]);
  865. rtl_write_byte(rtlpriv, 0xa28,
  866. cckswing_table_ch1ch13[cck_index]
  867. [6]);
  868. rtl_write_byte(rtlpriv, 0xa29,
  869. cckswing_table_ch1ch13[cck_index]
  870. [7]);
  871. } else {
  872. rtl_write_byte(rtlpriv, 0xa22,
  873. cckswing_table_ch14[cck_index]
  874. [0]);
  875. rtl_write_byte(rtlpriv, 0xa23,
  876. cckswing_table_ch14[cck_index]
  877. [1]);
  878. rtl_write_byte(rtlpriv, 0xa24,
  879. cckswing_table_ch14[cck_index]
  880. [2]);
  881. rtl_write_byte(rtlpriv, 0xa25,
  882. cckswing_table_ch14[cck_index]
  883. [3]);
  884. rtl_write_byte(rtlpriv, 0xa26,
  885. cckswing_table_ch14[cck_index]
  886. [4]);
  887. rtl_write_byte(rtlpriv, 0xa27,
  888. cckswing_table_ch14[cck_index]
  889. [5]);
  890. rtl_write_byte(rtlpriv, 0xa28,
  891. cckswing_table_ch14[cck_index]
  892. [6]);
  893. rtl_write_byte(rtlpriv, 0xa29,
  894. cckswing_table_ch14[cck_index]
  895. [7]);
  896. }
  897. if (is2t) {
  898. ele_d = (ofdmswing_table[ofdm_index[1]] &
  899. 0xFFC00000) >> 22;
  900. val_x = rtlphy->reg_eb4;
  901. val_y = rtlphy->reg_ebc;
  902. if (val_x != 0) {
  903. if ((val_x & 0x00000200) != 0)
  904. val_x = val_x | 0xFFFFFC00;
  905. ele_a = ((val_x * ele_d) >> 8) &
  906. 0x000003FF;
  907. if ((val_y & 0x00000200) != 0)
  908. val_y = val_y | 0xFFFFFC00;
  909. ele_c = ((val_y * ele_d) >> 8) &
  910. 0x00003FF;
  911. value32 = (ele_d << 22) |
  912. ((ele_c & 0x3F) << 16) | ele_a;
  913. rtl_set_bbreg(hw,
  914. ROFDM0_XBTXIQIMBALANCE,
  915. MASKDWORD, value32);
  916. value32 = (ele_c & 0x000003C0) >> 6;
  917. rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
  918. MASKH4BITS, value32);
  919. value32 = ((val_x * ele_d) >> 7) & 0x01;
  920. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  921. BIT(27), value32);
  922. value32 = ((val_y * ele_d) >> 7) & 0x01;
  923. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  924. BIT(25), value32);
  925. } else {
  926. rtl_set_bbreg(hw,
  927. ROFDM0_XBTXIQIMBALANCE,
  928. MASKDWORD,
  929. ofdmswing_table[ofdm_index
  930. [1]]);
  931. rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
  932. MASKH4BITS, 0x00);
  933. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  934. BIT(27) | BIT(25), 0x00);
  935. }
  936. }
  937. }
  938. if (delta_iqk > 3) {
  939. rtlpriv->dm.thermalvalue_iqk = thermalvalue;
  940. rtl92c_phy_iq_calibrate(hw, false);
  941. }
  942. if (rtlpriv->dm.txpower_track_control)
  943. rtlpriv->dm.thermalvalue = thermalvalue;
  944. }
  945. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, ("<===\n"));
  946. }
  947. static void rtl92c_dm_initialize_txpower_tracking_thermalmeter(
  948. struct ieee80211_hw *hw)
  949. {
  950. struct rtl_priv *rtlpriv = rtl_priv(hw);
  951. rtlpriv->dm.txpower_tracking = true;
  952. rtlpriv->dm.txpower_trackinginit = false;
  953. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  954. ("pMgntInfo->txpower_tracking = %d\n",
  955. rtlpriv->dm.txpower_tracking));
  956. }
  957. static void rtl92c_dm_initialize_txpower_tracking(struct ieee80211_hw *hw)
  958. {
  959. rtl92c_dm_initialize_txpower_tracking_thermalmeter(hw);
  960. }
  961. static void rtl92c_dm_txpower_tracking_directcall(struct ieee80211_hw *hw)
  962. {
  963. rtl92c_dm_txpower_tracking_callback_thermalmeter(hw);
  964. }
  965. static void rtl92c_dm_check_txpower_tracking_thermal_meter(
  966. struct ieee80211_hw *hw)
  967. {
  968. struct rtl_priv *rtlpriv = rtl_priv(hw);
  969. static u8 tm_trigger;
  970. if (!rtlpriv->dm.txpower_tracking)
  971. return;
  972. if (!tm_trigger) {
  973. rtl_set_rfreg(hw, RF90_PATH_A, RF_T_METER, RFREG_OFFSET_MASK,
  974. 0x60);
  975. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  976. ("Trigger 92S Thermal Meter!!\n"));
  977. tm_trigger = 1;
  978. return;
  979. } else {
  980. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  981. ("Schedule TxPowerTracking direct call!!\n"));
  982. rtl92c_dm_txpower_tracking_directcall(hw);
  983. tm_trigger = 0;
  984. }
  985. }
  986. void rtl92c_dm_check_txpower_tracking(struct ieee80211_hw *hw)
  987. {
  988. rtl92c_dm_check_txpower_tracking_thermal_meter(hw);
  989. }
  990. EXPORT_SYMBOL(rtl92c_dm_check_txpower_tracking);
  991. void rtl92c_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw)
  992. {
  993. struct rtl_priv *rtlpriv = rtl_priv(hw);
  994. struct rate_adaptive *p_ra = &(rtlpriv->ra);
  995. p_ra->ratr_state = DM_RATR_STA_INIT;
  996. p_ra->pre_ratr_state = DM_RATR_STA_INIT;
  997. if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER)
  998. rtlpriv->dm.useramask = true;
  999. else
  1000. rtlpriv->dm.useramask = false;
  1001. }
  1002. EXPORT_SYMBOL(rtl92c_dm_init_rate_adaptive_mask);
  1003. static void rtl92c_dm_refresh_rate_adaptive_mask(struct ieee80211_hw *hw)
  1004. {
  1005. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1006. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  1007. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  1008. struct rate_adaptive *p_ra = &(rtlpriv->ra);
  1009. u32 low_rssithresh_for_ra, high_rssithresh_for_ra;
  1010. struct ieee80211_sta *sta = NULL;
  1011. if (is_hal_stop(rtlhal)) {
  1012. RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
  1013. ("<---- driver is going to unload\n"));
  1014. return;
  1015. }
  1016. if (!rtlpriv->dm.useramask) {
  1017. RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
  1018. ("<---- driver does not control rate adaptive mask\n"));
  1019. return;
  1020. }
  1021. if (mac->link_state == MAC80211_LINKED &&
  1022. mac->opmode == NL80211_IFTYPE_STATION) {
  1023. switch (p_ra->pre_ratr_state) {
  1024. case DM_RATR_STA_HIGH:
  1025. high_rssithresh_for_ra = 50;
  1026. low_rssithresh_for_ra = 20;
  1027. break;
  1028. case DM_RATR_STA_MIDDLE:
  1029. high_rssithresh_for_ra = 55;
  1030. low_rssithresh_for_ra = 20;
  1031. break;
  1032. case DM_RATR_STA_LOW:
  1033. high_rssithresh_for_ra = 50;
  1034. low_rssithresh_for_ra = 25;
  1035. break;
  1036. default:
  1037. high_rssithresh_for_ra = 50;
  1038. low_rssithresh_for_ra = 20;
  1039. break;
  1040. }
  1041. if (rtlpriv->dm.undecorated_smoothed_pwdb >
  1042. (long)high_rssithresh_for_ra)
  1043. p_ra->ratr_state = DM_RATR_STA_HIGH;
  1044. else if (rtlpriv->dm.undecorated_smoothed_pwdb >
  1045. (long)low_rssithresh_for_ra)
  1046. p_ra->ratr_state = DM_RATR_STA_MIDDLE;
  1047. else
  1048. p_ra->ratr_state = DM_RATR_STA_LOW;
  1049. if (p_ra->pre_ratr_state != p_ra->ratr_state) {
  1050. RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
  1051. ("RSSI = %ld\n",
  1052. rtlpriv->dm.undecorated_smoothed_pwdb));
  1053. RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
  1054. ("RSSI_LEVEL = %d\n", p_ra->ratr_state));
  1055. RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
  1056. ("PreState = %d, CurState = %d\n",
  1057. p_ra->pre_ratr_state, p_ra->ratr_state));
  1058. rcu_read_lock();
  1059. sta = ieee80211_find_sta(mac->vif, mac->bssid);
  1060. rtlpriv->cfg->ops->update_rate_tbl(hw, sta,
  1061. p_ra->ratr_state);
  1062. p_ra->pre_ratr_state = p_ra->ratr_state;
  1063. rcu_read_unlock();
  1064. }
  1065. }
  1066. }
  1067. static void rtl92c_dm_init_dynamic_bb_powersaving(struct ieee80211_hw *hw)
  1068. {
  1069. dm_pstable.pre_ccastate = CCA_MAX;
  1070. dm_pstable.cur_ccasate = CCA_MAX;
  1071. dm_pstable.pre_rfstate = RF_MAX;
  1072. dm_pstable.cur_rfstate = RF_MAX;
  1073. dm_pstable.rssi_val_min = 0;
  1074. }
  1075. void rtl92c_dm_rf_saving(struct ieee80211_hw *hw, u8 bforce_in_normal)
  1076. {
  1077. static u8 initialize;
  1078. static u32 reg_874, reg_c70, reg_85c, reg_a74;
  1079. if (initialize == 0) {
  1080. reg_874 = (rtl_get_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
  1081. MASKDWORD) & 0x1CC000) >> 14;
  1082. reg_c70 = (rtl_get_bbreg(hw, ROFDM0_AGCPARAMETER1,
  1083. MASKDWORD) & BIT(3)) >> 3;
  1084. reg_85c = (rtl_get_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
  1085. MASKDWORD) & 0xFF000000) >> 24;
  1086. reg_a74 = (rtl_get_bbreg(hw, 0xa74, MASKDWORD) & 0xF000) >> 12;
  1087. initialize = 1;
  1088. }
  1089. if (!bforce_in_normal) {
  1090. if (dm_pstable.rssi_val_min != 0) {
  1091. if (dm_pstable.pre_rfstate == RF_NORMAL) {
  1092. if (dm_pstable.rssi_val_min >= 30)
  1093. dm_pstable.cur_rfstate = RF_SAVE;
  1094. else
  1095. dm_pstable.cur_rfstate = RF_NORMAL;
  1096. } else {
  1097. if (dm_pstable.rssi_val_min <= 25)
  1098. dm_pstable.cur_rfstate = RF_NORMAL;
  1099. else
  1100. dm_pstable.cur_rfstate = RF_SAVE;
  1101. }
  1102. } else {
  1103. dm_pstable.cur_rfstate = RF_MAX;
  1104. }
  1105. } else {
  1106. dm_pstable.cur_rfstate = RF_NORMAL;
  1107. }
  1108. if (dm_pstable.pre_rfstate != dm_pstable.cur_rfstate) {
  1109. if (dm_pstable.cur_rfstate == RF_SAVE) {
  1110. rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
  1111. 0x1C0000, 0x2);
  1112. rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3), 0);
  1113. rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
  1114. 0xFF000000, 0x63);
  1115. rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
  1116. 0xC000, 0x2);
  1117. rtl_set_bbreg(hw, 0xa74, 0xF000, 0x3);
  1118. rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
  1119. rtl_set_bbreg(hw, 0x818, BIT(28), 0x1);
  1120. } else {
  1121. rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
  1122. 0x1CC000, reg_874);
  1123. rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3),
  1124. reg_c70);
  1125. rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL, 0xFF000000,
  1126. reg_85c);
  1127. rtl_set_bbreg(hw, 0xa74, 0xF000, reg_a74);
  1128. rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
  1129. }
  1130. dm_pstable.pre_rfstate = dm_pstable.cur_rfstate;
  1131. }
  1132. }
  1133. EXPORT_SYMBOL(rtl92c_dm_rf_saving);
  1134. static void rtl92c_dm_dynamic_bb_powersaving(struct ieee80211_hw *hw)
  1135. {
  1136. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1137. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  1138. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  1139. if (((mac->link_state == MAC80211_NOLINK)) &&
  1140. (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb == 0)) {
  1141. dm_pstable.rssi_val_min = 0;
  1142. RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
  1143. ("Not connected to any\n"));
  1144. }
  1145. if (mac->link_state == MAC80211_LINKED) {
  1146. if (mac->opmode == NL80211_IFTYPE_ADHOC) {
  1147. dm_pstable.rssi_val_min =
  1148. rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
  1149. RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
  1150. ("AP Client PWDB = 0x%lx\n",
  1151. dm_pstable.rssi_val_min));
  1152. } else {
  1153. dm_pstable.rssi_val_min =
  1154. rtlpriv->dm.undecorated_smoothed_pwdb;
  1155. RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
  1156. ("STA Default Port PWDB = 0x%lx\n",
  1157. dm_pstable.rssi_val_min));
  1158. }
  1159. } else {
  1160. dm_pstable.rssi_val_min =
  1161. rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
  1162. RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
  1163. ("AP Ext Port PWDB = 0x%lx\n",
  1164. dm_pstable.rssi_val_min));
  1165. }
  1166. if (IS_92C_SERIAL(rtlhal->version))
  1167. ;/* rtl92c_dm_1r_cca(hw); */
  1168. else
  1169. rtl92c_dm_rf_saving(hw, false);
  1170. }
  1171. void rtl92c_dm_init(struct ieee80211_hw *hw)
  1172. {
  1173. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1174. rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
  1175. rtl92c_dm_diginit(hw);
  1176. rtl92c_dm_init_dynamic_txpower(hw);
  1177. rtl92c_dm_init_edca_turbo(hw);
  1178. rtl92c_dm_init_rate_adaptive_mask(hw);
  1179. rtl92c_dm_initialize_txpower_tracking(hw);
  1180. rtl92c_dm_init_dynamic_bb_powersaving(hw);
  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 undecorated_smoothed_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_undecoratedsmoothed_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. undecorated_smoothed_pwdb =
  1206. rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
  1207. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1208. ("AP Client PWDB = 0x%lx\n",
  1209. undecorated_smoothed_pwdb));
  1210. } else {
  1211. undecorated_smoothed_pwdb =
  1212. rtlpriv->dm.undecorated_smoothed_pwdb;
  1213. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1214. ("STA Default Port PWDB = 0x%lx\n",
  1215. undecorated_smoothed_pwdb));
  1216. }
  1217. } else {
  1218. undecorated_smoothed_pwdb =
  1219. rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
  1220. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1221. ("AP Ext Port PWDB = 0x%lx\n",
  1222. undecorated_smoothed_pwdb));
  1223. }
  1224. if (undecorated_smoothed_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
  1225. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
  1226. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1227. ("TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n"));
  1228. } else if ((undecorated_smoothed_pwdb <
  1229. (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
  1230. (undecorated_smoothed_pwdb >=
  1231. TX_POWER_NEAR_FIELD_THRESH_LVL1)) {
  1232. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
  1233. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1234. ("TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n"));
  1235. } else if (undecorated_smoothed_pwdb <
  1236. (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) {
  1237. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
  1238. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1239. ("TXHIGHPWRLEVEL_NORMAL\n"));
  1240. }
  1241. if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
  1242. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1243. ("PHY_SetTxPowerLevel8192S() Channel = %d\n",
  1244. rtlphy->current_channel));
  1245. rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel);
  1246. }
  1247. rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
  1248. }
  1249. void rtl92c_dm_watchdog(struct ieee80211_hw *hw)
  1250. {
  1251. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1252. struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
  1253. bool fw_current_inpsmode = false;
  1254. bool fw_ps_awake = true;
  1255. rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS,
  1256. (u8 *) (&fw_current_inpsmode));
  1257. rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FWLPS_RF_ON,
  1258. (u8 *) (&fw_ps_awake));
  1259. if ((ppsc->rfpwr_state == ERFON) && ((!fw_current_inpsmode) &&
  1260. fw_ps_awake)
  1261. && (!ppsc->rfchange_inprogress)) {
  1262. rtl92c_dm_pwdb_monitor(hw);
  1263. rtl92c_dm_dig(hw);
  1264. rtl92c_dm_false_alarm_counter_statistics(hw);
  1265. rtl92c_dm_dynamic_bb_powersaving(hw);
  1266. rtl92c_dm_dynamic_txpower(hw);
  1267. rtl92c_dm_check_txpower_tracking(hw);
  1268. rtl92c_dm_refresh_rate_adaptive_mask(hw);
  1269. rtl92c_dm_bt_coexist(hw);
  1270. rtl92c_dm_check_edca_turbo(hw);
  1271. }
  1272. }
  1273. EXPORT_SYMBOL(rtl92c_dm_watchdog);
  1274. u8 rtl92c_bt_rssi_state_change(struct ieee80211_hw *hw)
  1275. {
  1276. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1277. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1278. long undecorated_smoothed_pwdb;
  1279. u8 curr_bt_rssi_state = 0x00;
  1280. if (rtlpriv->mac80211.link_state == MAC80211_LINKED) {
  1281. undecorated_smoothed_pwdb =
  1282. GET_UNDECORATED_AVERAGE_RSSI(rtlpriv);
  1283. } else {
  1284. if (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb == 0)
  1285. undecorated_smoothed_pwdb = 100;
  1286. else
  1287. undecorated_smoothed_pwdb =
  1288. rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
  1289. }
  1290. /* Check RSSI to determine HighPower/NormalPower state for
  1291. * BT coexistence. */
  1292. if (undecorated_smoothed_pwdb >= 67)
  1293. curr_bt_rssi_state &= (~BT_RSSI_STATE_NORMAL_POWER);
  1294. else if (undecorated_smoothed_pwdb < 62)
  1295. curr_bt_rssi_state |= BT_RSSI_STATE_NORMAL_POWER;
  1296. /* Check RSSI to determine AMPDU setting for BT coexistence. */
  1297. if (undecorated_smoothed_pwdb >= 40)
  1298. curr_bt_rssi_state &= (~BT_RSSI_STATE_AMDPU_OFF);
  1299. else if (undecorated_smoothed_pwdb <= 32)
  1300. curr_bt_rssi_state |= BT_RSSI_STATE_AMDPU_OFF;
  1301. /* Marked RSSI state. It will be used to determine BT coexistence
  1302. * setting later. */
  1303. if (undecorated_smoothed_pwdb < 35)
  1304. curr_bt_rssi_state |= BT_RSSI_STATE_SPECIAL_LOW;
  1305. else
  1306. curr_bt_rssi_state &= (~BT_RSSI_STATE_SPECIAL_LOW);
  1307. /* Set Tx Power according to BT status. */
  1308. if (undecorated_smoothed_pwdb >= 30)
  1309. curr_bt_rssi_state |= BT_RSSI_STATE_TXPOWER_LOW;
  1310. else if (undecorated_smoothed_pwdb < 25)
  1311. curr_bt_rssi_state &= (~BT_RSSI_STATE_TXPOWER_LOW);
  1312. /* Check BT state related to BT_Idle in B/G mode. */
  1313. if (undecorated_smoothed_pwdb < 15)
  1314. curr_bt_rssi_state |= BT_RSSI_STATE_BG_EDCA_LOW;
  1315. else
  1316. curr_bt_rssi_state &= (~BT_RSSI_STATE_BG_EDCA_LOW);
  1317. if (curr_bt_rssi_state != rtlpcipriv->bt_coexist.bt_rssi_state) {
  1318. rtlpcipriv->bt_coexist.bt_rssi_state = curr_bt_rssi_state;
  1319. return true;
  1320. } else {
  1321. return false;
  1322. }
  1323. }
  1324. EXPORT_SYMBOL(rtl92c_bt_rssi_state_change);
  1325. static bool rtl92c_bt_state_change(struct ieee80211_hw *hw)
  1326. {
  1327. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1328. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1329. u32 polling, ratio_tx, ratio_pri;
  1330. u32 bt_tx, bt_pri;
  1331. u8 bt_state;
  1332. u8 cur_service_type;
  1333. if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
  1334. return false;
  1335. bt_state = rtl_read_byte(rtlpriv, 0x4fd);
  1336. bt_tx = rtl_read_dword(rtlpriv, 0x488);
  1337. bt_tx = bt_tx & 0x00ffffff;
  1338. bt_pri = rtl_read_dword(rtlpriv, 0x48c);
  1339. bt_pri = bt_pri & 0x00ffffff;
  1340. polling = rtl_read_dword(rtlpriv, 0x490);
  1341. if (bt_tx == 0xffffffff && bt_pri == 0xffffffff &&
  1342. polling == 0xffffffff && bt_state == 0xff)
  1343. return false;
  1344. bt_state &= BIT_OFFSET_LEN_MASK_32(0, 1);
  1345. if (bt_state != rtlpcipriv->bt_coexist.bt_cur_state) {
  1346. rtlpcipriv->bt_coexist.bt_cur_state = bt_state;
  1347. if (rtlpcipriv->bt_coexist.reg_bt_sco == 3) {
  1348. rtlpcipriv->bt_coexist.bt_service = BT_IDLE;
  1349. bt_state = bt_state |
  1350. ((rtlpcipriv->bt_coexist.bt_ant_isolation == 1) ?
  1351. 0 : BIT_OFFSET_LEN_MASK_32(1, 1)) |
  1352. BIT_OFFSET_LEN_MASK_32(2, 1);
  1353. rtl_write_byte(rtlpriv, 0x4fd, bt_state);
  1354. }
  1355. return true;
  1356. }
  1357. ratio_tx = bt_tx * 1000 / polling;
  1358. ratio_pri = bt_pri * 1000 / polling;
  1359. rtlpcipriv->bt_coexist.ratio_tx = ratio_tx;
  1360. rtlpcipriv->bt_coexist.ratio_pri = ratio_pri;
  1361. if (bt_state && rtlpcipriv->bt_coexist.reg_bt_sco == 3) {
  1362. if ((ratio_tx < 30) && (ratio_pri < 30))
  1363. cur_service_type = BT_IDLE;
  1364. else if ((ratio_pri > 110) && (ratio_pri < 250))
  1365. cur_service_type = BT_SCO;
  1366. else if ((ratio_tx >= 200) && (ratio_pri >= 200))
  1367. cur_service_type = BT_BUSY;
  1368. else if ((ratio_tx >= 350) && (ratio_tx < 500))
  1369. cur_service_type = BT_OTHERBUSY;
  1370. else if (ratio_tx >= 500)
  1371. cur_service_type = BT_PAN;
  1372. else
  1373. cur_service_type = BT_OTHER_ACTION;
  1374. if (cur_service_type != rtlpcipriv->bt_coexist.bt_service) {
  1375. rtlpcipriv->bt_coexist.bt_service = cur_service_type;
  1376. bt_state = bt_state |
  1377. ((rtlpcipriv->bt_coexist.bt_ant_isolation == 1) ?
  1378. 0 : BIT_OFFSET_LEN_MASK_32(1, 1)) |
  1379. ((rtlpcipriv->bt_coexist.bt_service != BT_IDLE) ?
  1380. 0 : BIT_OFFSET_LEN_MASK_32(2, 1));
  1381. /* Add interrupt migration when bt is not ini
  1382. * idle state (no traffic). */
  1383. if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
  1384. rtl_write_word(rtlpriv, 0x504, 0x0ccc);
  1385. rtl_write_byte(rtlpriv, 0x506, 0x54);
  1386. rtl_write_byte(rtlpriv, 0x507, 0x54);
  1387. } else {
  1388. rtl_write_byte(rtlpriv, 0x506, 0x00);
  1389. rtl_write_byte(rtlpriv, 0x507, 0x00);
  1390. }
  1391. rtl_write_byte(rtlpriv, 0x4fd, bt_state);
  1392. return true;
  1393. }
  1394. }
  1395. return false;
  1396. }
  1397. static bool rtl92c_bt_wifi_connect_change(struct ieee80211_hw *hw)
  1398. {
  1399. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1400. static bool media_connect;
  1401. if (rtlpriv->mac80211.link_state < MAC80211_LINKED) {
  1402. media_connect = false;
  1403. } else {
  1404. if (!media_connect) {
  1405. media_connect = true;
  1406. return true;
  1407. }
  1408. media_connect = true;
  1409. }
  1410. return false;
  1411. }
  1412. static void rtl92c_bt_set_normal(struct ieee80211_hw *hw)
  1413. {
  1414. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1415. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1416. if (rtlpcipriv->bt_coexist.bt_service == BT_OTHERBUSY) {
  1417. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea72b;
  1418. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea72b;
  1419. } else if (rtlpcipriv->bt_coexist.bt_service == BT_BUSY) {
  1420. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5eb82f;
  1421. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5eb82f;
  1422. } else if (rtlpcipriv->bt_coexist.bt_service == BT_SCO) {
  1423. if (rtlpcipriv->bt_coexist.ratio_tx > 160) {
  1424. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea72f;
  1425. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea72f;
  1426. } else {
  1427. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea32b;
  1428. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea42b;
  1429. }
  1430. } else {
  1431. rtlpcipriv->bt_coexist.bt_edca_ul = 0;
  1432. rtlpcipriv->bt_coexist.bt_edca_dl = 0;
  1433. }
  1434. if ((rtlpcipriv->bt_coexist.bt_service != BT_IDLE) &&
  1435. (rtlpriv->mac80211.mode == WIRELESS_MODE_G ||
  1436. (rtlpriv->mac80211.mode == (WIRELESS_MODE_G | WIRELESS_MODE_B))) &&
  1437. (rtlpcipriv->bt_coexist.bt_rssi_state &
  1438. BT_RSSI_STATE_BG_EDCA_LOW)) {
  1439. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5eb82b;
  1440. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5eb82b;
  1441. }
  1442. }
  1443. static void rtl92c_bt_ant_isolation(struct ieee80211_hw *hw)
  1444. {
  1445. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1446. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1447. /* Only enable HW BT coexist when BT in "Busy" state. */
  1448. if (rtlpriv->mac80211.vendor == PEER_CISCO &&
  1449. rtlpcipriv->bt_coexist.bt_service == BT_OTHER_ACTION) {
  1450. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
  1451. } else {
  1452. if ((rtlpcipriv->bt_coexist.bt_service == BT_BUSY) &&
  1453. (rtlpcipriv->bt_coexist.bt_rssi_state &
  1454. BT_RSSI_STATE_NORMAL_POWER)) {
  1455. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
  1456. } else if ((rtlpcipriv->bt_coexist.bt_service ==
  1457. BT_OTHER_ACTION) && (rtlpriv->mac80211.mode <
  1458. WIRELESS_MODE_N_24G) &&
  1459. (rtlpcipriv->bt_coexist.bt_rssi_state &
  1460. BT_RSSI_STATE_SPECIAL_LOW)) {
  1461. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
  1462. } else if (rtlpcipriv->bt_coexist.bt_service == BT_PAN) {
  1463. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0x00);
  1464. } else {
  1465. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0x00);
  1466. }
  1467. }
  1468. if (rtlpcipriv->bt_coexist.bt_service == BT_PAN)
  1469. rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x10100);
  1470. else
  1471. rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x0);
  1472. if (rtlpcipriv->bt_coexist.bt_rssi_state &
  1473. BT_RSSI_STATE_NORMAL_POWER) {
  1474. rtl92c_bt_set_normal(hw);
  1475. } else {
  1476. rtlpcipriv->bt_coexist.bt_edca_ul = 0;
  1477. rtlpcipriv->bt_coexist.bt_edca_dl = 0;
  1478. }
  1479. if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
  1480. rtlpriv->cfg->ops->set_rfreg(hw,
  1481. RF90_PATH_A,
  1482. 0x1e,
  1483. 0xf0, 0xf);
  1484. } else {
  1485. rtlpriv->cfg->ops->set_rfreg(hw,
  1486. RF90_PATH_A, 0x1e, 0xf0,
  1487. rtlpcipriv->bt_coexist.bt_rfreg_origin_1e);
  1488. }
  1489. if (!rtlpriv->dm.dynamic_txpower_enable) {
  1490. if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
  1491. if (rtlpcipriv->bt_coexist.bt_rssi_state &
  1492. BT_RSSI_STATE_TXPOWER_LOW) {
  1493. rtlpriv->dm.dynamic_txhighpower_lvl =
  1494. TXHIGHPWRLEVEL_BT2;
  1495. } else {
  1496. rtlpriv->dm.dynamic_txhighpower_lvl =
  1497. TXHIGHPWRLEVEL_BT1;
  1498. }
  1499. } else {
  1500. rtlpriv->dm.dynamic_txhighpower_lvl =
  1501. TXHIGHPWRLEVEL_NORMAL;
  1502. }
  1503. rtl92c_phy_set_txpower_level(hw,
  1504. rtlpriv->phy.current_channel);
  1505. }
  1506. }
  1507. static void rtl92c_check_bt_change(struct ieee80211_hw *hw)
  1508. {
  1509. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1510. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1511. if (rtlpcipriv->bt_coexist.bt_cur_state) {
  1512. if (rtlpcipriv->bt_coexist.bt_ant_isolation)
  1513. rtl92c_bt_ant_isolation(hw);
  1514. } else {
  1515. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0x00);
  1516. rtlpriv->cfg->ops->set_rfreg(hw, RF90_PATH_A, 0x1e, 0xf0,
  1517. rtlpcipriv->bt_coexist.bt_rfreg_origin_1e);
  1518. rtlpcipriv->bt_coexist.bt_edca_ul = 0;
  1519. rtlpcipriv->bt_coexist.bt_edca_dl = 0;
  1520. }
  1521. }
  1522. void rtl92c_dm_bt_coexist(struct ieee80211_hw *hw)
  1523. {
  1524. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1525. bool wifi_connect_change;
  1526. bool bt_state_change;
  1527. bool rssi_state_change;
  1528. if ((rtlpcipriv->bt_coexist.bt_coexistence) &&
  1529. (rtlpcipriv->bt_coexist.bt_coexist_type == BT_CSR_BC4)) {
  1530. wifi_connect_change = rtl92c_bt_wifi_connect_change(hw);
  1531. bt_state_change = rtl92c_bt_state_change(hw);
  1532. rssi_state_change = rtl92c_bt_rssi_state_change(hw);
  1533. if (wifi_connect_change || bt_state_change || rssi_state_change)
  1534. rtl92c_check_bt_change(hw);
  1535. }
  1536. }
  1537. EXPORT_SYMBOL(rtl92c_dm_bt_coexist);