dm_common.c 52 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. #define BT_RSSI_STATE_NORMAL_POWER BIT_OFFSET_LEN_MASK_32(0, 1)
  35. #define BT_RSSI_STATE_AMDPU_OFF BIT_OFFSET_LEN_MASK_32(1, 1)
  36. #define BT_RSSI_STATE_SPECIAL_LOW BIT_OFFSET_LEN_MASK_32(2, 1)
  37. #define BT_RSSI_STATE_BG_EDCA_LOW BIT_OFFSET_LEN_MASK_32(3, 1)
  38. #define BT_RSSI_STATE_TXPOWER_LOW BIT_OFFSET_LEN_MASK_32(4, 1)
  39. #define RTLPRIV (struct rtl_priv *)
  40. #define GET_UNDECORATED_AVERAGE_RSSI(_priv) \
  41. ((RTLPRIV(_priv))->mac80211.opmode == \
  42. NL80211_IFTYPE_ADHOC) ? \
  43. ((RTLPRIV(_priv))->dm.entry_min_undec_sm_pwdb) : \
  44. ((RTLPRIV(_priv))->dm.undec_sm_pwdb)
  45. static const u32 ofdmswing_table[OFDM_TABLE_SIZE] = {
  46. 0x7f8001fe,
  47. 0x788001e2,
  48. 0x71c001c7,
  49. 0x6b8001ae,
  50. 0x65400195,
  51. 0x5fc0017f,
  52. 0x5a400169,
  53. 0x55400155,
  54. 0x50800142,
  55. 0x4c000130,
  56. 0x47c0011f,
  57. 0x43c0010f,
  58. 0x40000100,
  59. 0x3c8000f2,
  60. 0x390000e4,
  61. 0x35c000d7,
  62. 0x32c000cb,
  63. 0x300000c0,
  64. 0x2d4000b5,
  65. 0x2ac000ab,
  66. 0x288000a2,
  67. 0x26000098,
  68. 0x24000090,
  69. 0x22000088,
  70. 0x20000080,
  71. 0x1e400079,
  72. 0x1c800072,
  73. 0x1b00006c,
  74. 0x19800066,
  75. 0x18000060,
  76. 0x16c0005b,
  77. 0x15800056,
  78. 0x14400051,
  79. 0x1300004c,
  80. 0x12000048,
  81. 0x11000044,
  82. 0x10000040,
  83. };
  84. static const u8 cckswing_table_ch1ch13[CCK_TABLE_SIZE][8] = {
  85. {0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04},
  86. {0x33, 0x32, 0x2b, 0x23, 0x1a, 0x11, 0x08, 0x04},
  87. {0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x03},
  88. {0x2d, 0x2d, 0x27, 0x1f, 0x18, 0x0f, 0x08, 0x03},
  89. {0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03},
  90. {0x28, 0x28, 0x22, 0x1c, 0x15, 0x0d, 0x07, 0x03},
  91. {0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03},
  92. {0x24, 0x23, 0x1f, 0x19, 0x13, 0x0c, 0x06, 0x03},
  93. {0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02},
  94. {0x20, 0x20, 0x1b, 0x16, 0x11, 0x08, 0x05, 0x02},
  95. {0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02},
  96. {0x1d, 0x1c, 0x18, 0x14, 0x0f, 0x0a, 0x05, 0x02},
  97. {0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02},
  98. {0x1a, 0x19, 0x16, 0x12, 0x0d, 0x09, 0x04, 0x02},
  99. {0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02},
  100. {0x17, 0x16, 0x13, 0x10, 0x0c, 0x08, 0x04, 0x02},
  101. {0x16, 0x15, 0x12, 0x0f, 0x0b, 0x07, 0x04, 0x01},
  102. {0x14, 0x14, 0x11, 0x0e, 0x0b, 0x07, 0x03, 0x02},
  103. {0x13, 0x13, 0x10, 0x0d, 0x0a, 0x06, 0x03, 0x01},
  104. {0x12, 0x12, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01},
  105. {0x11, 0x11, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01},
  106. {0x10, 0x10, 0x0e, 0x0b, 0x08, 0x05, 0x03, 0x01},
  107. {0x0f, 0x0f, 0x0d, 0x0b, 0x08, 0x05, 0x03, 0x01},
  108. {0x0e, 0x0e, 0x0c, 0x0a, 0x08, 0x05, 0x02, 0x01},
  109. {0x0d, 0x0d, 0x0c, 0x0a, 0x07, 0x05, 0x02, 0x01},
  110. {0x0d, 0x0c, 0x0b, 0x09, 0x07, 0x04, 0x02, 0x01},
  111. {0x0c, 0x0c, 0x0a, 0x09, 0x06, 0x04, 0x02, 0x01},
  112. {0x0b, 0x0b, 0x0a, 0x08, 0x06, 0x04, 0x02, 0x01},
  113. {0x0b, 0x0a, 0x09, 0x08, 0x06, 0x04, 0x02, 0x01},
  114. {0x0a, 0x0a, 0x09, 0x07, 0x05, 0x03, 0x02, 0x01},
  115. {0x0a, 0x09, 0x08, 0x07, 0x05, 0x03, 0x02, 0x01},
  116. {0x09, 0x09, 0x08, 0x06, 0x05, 0x03, 0x01, 0x01},
  117. {0x09, 0x08, 0x07, 0x06, 0x04, 0x03, 0x01, 0x01}
  118. };
  119. static const u8 cckswing_table_ch14[CCK_TABLE_SIZE][8] = {
  120. {0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00},
  121. {0x33, 0x32, 0x2b, 0x19, 0x00, 0x00, 0x00, 0x00},
  122. {0x30, 0x2f, 0x29, 0x18, 0x00, 0x00, 0x00, 0x00},
  123. {0x2d, 0x2d, 0x17, 0x17, 0x00, 0x00, 0x00, 0x00},
  124. {0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00},
  125. {0x28, 0x28, 0x24, 0x14, 0x00, 0x00, 0x00, 0x00},
  126. {0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00},
  127. {0x24, 0x23, 0x1f, 0x12, 0x00, 0x00, 0x00, 0x00},
  128. {0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00},
  129. {0x20, 0x20, 0x1b, 0x10, 0x00, 0x00, 0x00, 0x00},
  130. {0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00},
  131. {0x1d, 0x1c, 0x18, 0x0e, 0x00, 0x00, 0x00, 0x00},
  132. {0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00},
  133. {0x1a, 0x19, 0x16, 0x0d, 0x00, 0x00, 0x00, 0x00},
  134. {0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00},
  135. {0x17, 0x16, 0x13, 0x0b, 0x00, 0x00, 0x00, 0x00},
  136. {0x16, 0x15, 0x12, 0x0b, 0x00, 0x00, 0x00, 0x00},
  137. {0x14, 0x14, 0x11, 0x0a, 0x00, 0x00, 0x00, 0x00},
  138. {0x13, 0x13, 0x10, 0x0a, 0x00, 0x00, 0x00, 0x00},
  139. {0x12, 0x12, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00},
  140. {0x11, 0x11, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00},
  141. {0x10, 0x10, 0x0e, 0x08, 0x00, 0x00, 0x00, 0x00},
  142. {0x0f, 0x0f, 0x0d, 0x08, 0x00, 0x00, 0x00, 0x00},
  143. {0x0e, 0x0e, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00},
  144. {0x0d, 0x0d, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00},
  145. {0x0d, 0x0c, 0x0b, 0x06, 0x00, 0x00, 0x00, 0x00},
  146. {0x0c, 0x0c, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00},
  147. {0x0b, 0x0b, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00},
  148. {0x0b, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00},
  149. {0x0a, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00},
  150. {0x0a, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00},
  151. {0x09, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00},
  152. {0x09, 0x08, 0x07, 0x04, 0x00, 0x00, 0x00, 0x00}
  153. };
  154. static void rtl92c_dm_diginit(struct ieee80211_hw *hw)
  155. {
  156. struct rtl_priv *rtlpriv = rtl_priv(hw);
  157. struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
  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_cstate = DIG_STA_DISCONNECT;
  163. dm_digtable->presta_cstate = DIG_STA_DISCONNECT;
  164. dm_digtable->curmultista_cstate = 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->back_val = DM_DIG_BACKOFF_DEFAULT;
  172. dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX;
  173. dm_digtable->back_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. struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
  181. long rssi_val_min = 0;
  182. if ((dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) &&
  183. (dm_digtable->cursta_cstate == DIG_STA_CONNECT)) {
  184. if (rtlpriv->dm.entry_min_undec_sm_pwdb != 0)
  185. rssi_val_min =
  186. (rtlpriv->dm.entry_min_undec_sm_pwdb >
  187. rtlpriv->dm.undec_sm_pwdb) ?
  188. rtlpriv->dm.undec_sm_pwdb :
  189. rtlpriv->dm.entry_min_undec_sm_pwdb;
  190. else
  191. rssi_val_min = rtlpriv->dm.undec_sm_pwdb;
  192. } else if (dm_digtable->cursta_cstate == DIG_STA_CONNECT ||
  193. dm_digtable->cursta_cstate == DIG_STA_BEFORE_CONNECT) {
  194. rssi_val_min = rtlpriv->dm.undec_sm_pwdb;
  195. } else if (dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) {
  196. rssi_val_min = rtlpriv->dm.entry_min_undec_sm_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. struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
  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. struct dig_t *digtable = &rtlpriv->dm_digtable;
  265. if (rtlpriv->falsealm_cnt.cnt_all > digtable->fa_highthresh) {
  266. if ((digtable->back_val - 2) < digtable->back_range_min)
  267. digtable->back_val = digtable->back_range_min;
  268. else
  269. digtable->back_val -= 2;
  270. } else if (rtlpriv->falsealm_cnt.cnt_all < digtable->fa_lowthresh) {
  271. if ((digtable->back_val + 2) > digtable->back_range_max)
  272. digtable->back_val = digtable->back_range_max;
  273. else
  274. digtable->back_val += 2;
  275. }
  276. if ((digtable->rssi_val_min + 10 - digtable->back_val) >
  277. digtable->rx_gain_range_max)
  278. digtable->cur_igvalue = digtable->rx_gain_range_max;
  279. else if ((digtable->rssi_val_min + 10 -
  280. digtable->back_val) < digtable->rx_gain_range_min)
  281. digtable->cur_igvalue = digtable->rx_gain_range_min;
  282. else
  283. digtable->cur_igvalue = digtable->rssi_val_min + 10 -
  284. digtable->back_val;
  285. RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
  286. "rssi_val_min = %x back_val %x\n",
  287. digtable->rssi_val_min, digtable->back_val);
  288. rtl92c_dm_write_dig(hw);
  289. }
  290. static void rtl92c_dm_initial_gain_multi_sta(struct ieee80211_hw *hw)
  291. {
  292. static u8 initialized; /* initialized to false */
  293. struct rtl_priv *rtlpriv = rtl_priv(hw);
  294. struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
  295. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  296. long rssi_strength = rtlpriv->dm.entry_min_undec_sm_pwdb;
  297. bool multi_sta = false;
  298. if (mac->opmode == NL80211_IFTYPE_ADHOC)
  299. multi_sta = true;
  300. if (!multi_sta ||
  301. dm_digtable->cursta_cstate != DIG_STA_DISCONNECT) {
  302. initialized = false;
  303. dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
  304. return;
  305. } else if (initialized == false) {
  306. initialized = true;
  307. dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
  308. dm_digtable->cur_igvalue = 0x20;
  309. rtl92c_dm_write_dig(hw);
  310. }
  311. if (dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) {
  312. if ((rssi_strength < dm_digtable->rssi_lowthresh) &&
  313. (dm_digtable->dig_ext_port_stage != DIG_EXT_PORT_STAGE_1)) {
  314. if (dm_digtable->dig_ext_port_stage ==
  315. DIG_EXT_PORT_STAGE_2) {
  316. dm_digtable->cur_igvalue = 0x20;
  317. rtl92c_dm_write_dig(hw);
  318. }
  319. dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_1;
  320. } else if (rssi_strength > dm_digtable->rssi_highthresh) {
  321. dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_2;
  322. rtl92c_dm_ctrl_initgain_by_fa(hw);
  323. }
  324. } else if (dm_digtable->dig_ext_port_stage != DIG_EXT_PORT_STAGE_0) {
  325. dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
  326. dm_digtable->cur_igvalue = 0x20;
  327. rtl92c_dm_write_dig(hw);
  328. }
  329. RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
  330. "curmultista_cstate = %x dig_ext_port_stage %x\n",
  331. dm_digtable->curmultista_cstate,
  332. dm_digtable->dig_ext_port_stage);
  333. }
  334. static void rtl92c_dm_initial_gain_sta(struct ieee80211_hw *hw)
  335. {
  336. struct rtl_priv *rtlpriv = rtl_priv(hw);
  337. struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
  338. RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
  339. "presta_cstate = %x, cursta_cstate = %x\n",
  340. dm_digtable->presta_cstate, dm_digtable->cursta_cstate);
  341. if (dm_digtable->presta_cstate == dm_digtable->cursta_cstate ||
  342. dm_digtable->cursta_cstate == DIG_STA_BEFORE_CONNECT ||
  343. dm_digtable->cursta_cstate == DIG_STA_CONNECT) {
  344. if (dm_digtable->cursta_cstate != DIG_STA_DISCONNECT) {
  345. dm_digtable->rssi_val_min =
  346. rtl92c_dm_initial_gain_min_pwdb(hw);
  347. rtl92c_dm_ctrl_initgain_by_rssi(hw);
  348. }
  349. } else {
  350. dm_digtable->rssi_val_min = 0;
  351. dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
  352. dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
  353. dm_digtable->cur_igvalue = 0x20;
  354. dm_digtable->pre_igvalue = 0;
  355. rtl92c_dm_write_dig(hw);
  356. }
  357. }
  358. static void rtl92c_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
  359. {
  360. struct rtl_priv *rtlpriv = rtl_priv(hw);
  361. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  362. struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
  363. if (dm_digtable->cursta_cstate == 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_priv *rtlpriv = rtl_priv(hw);
  423. struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
  424. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  425. if (mac->act_scanning)
  426. return;
  427. if (mac->link_state >= MAC80211_LINKED)
  428. dm_digtable->cursta_cstate = DIG_STA_CONNECT;
  429. else
  430. dm_digtable->cursta_cstate = DIG_STA_DISCONNECT;
  431. rtl92c_dm_initial_gain_sta(hw);
  432. rtl92c_dm_initial_gain_multi_sta(hw);
  433. rtl92c_dm_cck_packet_detection_thresh(hw);
  434. dm_digtable->presta_cstate = dm_digtable->cursta_cstate;
  435. }
  436. static void rtl92c_dm_dig(struct ieee80211_hw *hw)
  437. {
  438. struct rtl_priv *rtlpriv = rtl_priv(hw);
  439. struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
  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. struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
  457. RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD,
  458. "cur_igvalue = 0x%x, pre_igvalue = 0x%x, back_val = %d\n",
  459. dm_digtable->cur_igvalue, dm_digtable->pre_igvalue,
  460. dm_digtable->back_val);
  461. dm_digtable->cur_igvalue += 2;
  462. if (dm_digtable->cur_igvalue > 0x3f)
  463. dm_digtable->cur_igvalue = 0x3f;
  464. if (dm_digtable->pre_igvalue != dm_digtable->cur_igvalue) {
  465. rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f,
  466. dm_digtable->cur_igvalue);
  467. rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, 0x7f,
  468. dm_digtable->cur_igvalue);
  469. dm_digtable->pre_igvalue = dm_digtable->cur_igvalue;
  470. }
  471. }
  472. EXPORT_SYMBOL(rtl92c_dm_write_dig);
  473. static void rtl92c_dm_pwdb_monitor(struct ieee80211_hw *hw)
  474. {
  475. struct rtl_priv *rtlpriv = rtl_priv(hw);
  476. long tmpentry_max_pwdb = 0, tmpentry_min_pwdb = 0xff;
  477. u8 h2c_parameter[3] = { 0 };
  478. return;
  479. if (tmpentry_max_pwdb != 0) {
  480. rtlpriv->dm.entry_max_undec_sm_pwdb = tmpentry_max_pwdb;
  481. } else {
  482. rtlpriv->dm.entry_max_undec_sm_pwdb = 0;
  483. }
  484. if (tmpentry_min_pwdb != 0xff) {
  485. rtlpriv->dm.entry_min_undec_sm_pwdb = tmpentry_min_pwdb;
  486. } else {
  487. rtlpriv->dm.entry_min_undec_sm_pwdb = 0;
  488. }
  489. h2c_parameter[2] = (u8) (rtlpriv->dm.undec_sm_pwdb & 0xFF);
  490. h2c_parameter[0] = 0;
  491. rtl92c_fill_h2c_cmd(hw, H2C_RSSI_REPORT, 3, h2c_parameter);
  492. }
  493. void rtl92c_dm_init_edca_turbo(struct ieee80211_hw *hw)
  494. {
  495. struct rtl_priv *rtlpriv = rtl_priv(hw);
  496. rtlpriv->dm.current_turbo_edca = false;
  497. rtlpriv->dm.is_any_nonbepkts = false;
  498. rtlpriv->dm.is_cur_rdlstate = false;
  499. }
  500. EXPORT_SYMBOL(rtl92c_dm_init_edca_turbo);
  501. static void rtl92c_dm_check_edca_turbo(struct ieee80211_hw *hw)
  502. {
  503. struct rtl_priv *rtlpriv = rtl_priv(hw);
  504. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  505. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  506. static u64 last_txok_cnt;
  507. static u64 last_rxok_cnt;
  508. static u32 last_bt_edca_ul;
  509. static u32 last_bt_edca_dl;
  510. u64 cur_txok_cnt = 0;
  511. u64 cur_rxok_cnt = 0;
  512. u32 edca_be_ul = 0x5ea42b;
  513. u32 edca_be_dl = 0x5ea42b;
  514. bool bt_change_edca = false;
  515. if ((last_bt_edca_ul != rtlpcipriv->bt_coexist.bt_edca_ul) ||
  516. (last_bt_edca_dl != rtlpcipriv->bt_coexist.bt_edca_dl)) {
  517. rtlpriv->dm.current_turbo_edca = false;
  518. last_bt_edca_ul = rtlpcipriv->bt_coexist.bt_edca_ul;
  519. last_bt_edca_dl = rtlpcipriv->bt_coexist.bt_edca_dl;
  520. }
  521. if (rtlpcipriv->bt_coexist.bt_edca_ul != 0) {
  522. edca_be_ul = rtlpcipriv->bt_coexist.bt_edca_ul;
  523. bt_change_edca = true;
  524. }
  525. if (rtlpcipriv->bt_coexist.bt_edca_dl != 0) {
  526. edca_be_ul = rtlpcipriv->bt_coexist.bt_edca_dl;
  527. bt_change_edca = true;
  528. }
  529. if (mac->link_state != MAC80211_LINKED) {
  530. rtlpriv->dm.current_turbo_edca = false;
  531. return;
  532. }
  533. if ((!mac->ht_enable) && (!rtlpcipriv->bt_coexist.bt_coexistence)) {
  534. if (!(edca_be_ul & 0xffff0000))
  535. edca_be_ul |= 0x005e0000;
  536. if (!(edca_be_dl & 0xffff0000))
  537. edca_be_dl |= 0x005e0000;
  538. }
  539. if ((bt_change_edca) || ((!rtlpriv->dm.is_any_nonbepkts) &&
  540. (!rtlpriv->dm.disable_framebursting))) {
  541. cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt;
  542. cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - last_rxok_cnt;
  543. if (cur_rxok_cnt > 4 * cur_txok_cnt) {
  544. if (!rtlpriv->dm.is_cur_rdlstate ||
  545. !rtlpriv->dm.current_turbo_edca) {
  546. rtl_write_dword(rtlpriv,
  547. REG_EDCA_BE_PARAM,
  548. edca_be_dl);
  549. rtlpriv->dm.is_cur_rdlstate = true;
  550. }
  551. } else {
  552. if (rtlpriv->dm.is_cur_rdlstate ||
  553. !rtlpriv->dm.current_turbo_edca) {
  554. rtl_write_dword(rtlpriv,
  555. REG_EDCA_BE_PARAM,
  556. edca_be_ul);
  557. rtlpriv->dm.is_cur_rdlstate = false;
  558. }
  559. }
  560. rtlpriv->dm.current_turbo_edca = true;
  561. } else {
  562. if (rtlpriv->dm.current_turbo_edca) {
  563. u8 tmp = AC0_BE;
  564. rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AC_PARAM,
  565. &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 eeprom_thermalmeter 0x%x\n",
  594. thermalvalue, rtlpriv->dm.thermalvalue,
  595. rtlefuse->eeprom_thermalmeter);
  596. rtl92c_phy_ap_calibrate(hw, (thermalvalue -
  597. rtlefuse->eeprom_thermalmeter));
  598. if (is2t)
  599. rf = 2;
  600. else
  601. rf = 1;
  602. if (thermalvalue) {
  603. ele_d = rtl_get_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
  604. MASKDWORD) & MASKOFDM_D;
  605. for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
  606. if (ele_d == (ofdmswing_table[i] & MASKOFDM_D)) {
  607. ofdm_index_old[0] = (u8) i;
  608. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  609. "Initial pathA ele_d reg0x%x = 0x%lx, ofdm_index=0x%x\n",
  610. ROFDM0_XATXIQIMBALANCE,
  611. ele_d, ofdm_index_old[0]);
  612. break;
  613. }
  614. }
  615. if (is2t) {
  616. ele_d = rtl_get_bbreg(hw, ROFDM0_XBTXIQIMBALANCE,
  617. MASKDWORD) & MASKOFDM_D;
  618. for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
  619. if (ele_d == (ofdmswing_table[i] &
  620. MASKOFDM_D)) {
  621. RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
  622. DBG_LOUD,
  623. "Initial pathB ele_d reg0x%x = 0x%lx, ofdm_index=0x%x\n",
  624. ROFDM0_XBTXIQIMBALANCE, ele_d,
  625. ofdm_index_old[1]);
  626. break;
  627. }
  628. }
  629. }
  630. temp_cck =
  631. rtl_get_bbreg(hw, RCCK0_TXFILTER2, MASKDWORD) & MASKCCK;
  632. for (i = 0; i < CCK_TABLE_LENGTH; i++) {
  633. if (rtlpriv->dm.cck_inch14) {
  634. if (memcmp((void *)&temp_cck,
  635. (void *)&cckswing_table_ch14[i][2],
  636. 4) == 0) {
  637. cck_index_old = (u8) i;
  638. RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
  639. DBG_LOUD,
  640. "Initial reg0x%x = 0x%lx, cck_index=0x%x, ch 14 %d\n",
  641. RCCK0_TXFILTER2, temp_cck,
  642. cck_index_old,
  643. rtlpriv->dm.cck_inch14);
  644. break;
  645. }
  646. } else {
  647. if (memcmp((void *)&temp_cck,
  648. (void *)
  649. &cckswing_table_ch1ch13[i][2],
  650. 4) == 0) {
  651. cck_index_old = (u8) i;
  652. RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
  653. DBG_LOUD,
  654. "Initial reg0x%x = 0x%lx, cck_index=0x%x, ch14 %d\n",
  655. RCCK0_TXFILTER2, temp_cck,
  656. cck_index_old,
  657. rtlpriv->dm.cck_inch14);
  658. break;
  659. }
  660. }
  661. }
  662. if (!rtlpriv->dm.thermalvalue) {
  663. rtlpriv->dm.thermalvalue =
  664. rtlefuse->eeprom_thermalmeter;
  665. rtlpriv->dm.thermalvalue_lck = thermalvalue;
  666. rtlpriv->dm.thermalvalue_iqk = thermalvalue;
  667. for (i = 0; i < rf; i++)
  668. rtlpriv->dm.ofdm_index[i] = ofdm_index_old[i];
  669. rtlpriv->dm.cck_index = cck_index_old;
  670. }
  671. delta = (thermalvalue > rtlpriv->dm.thermalvalue) ?
  672. (thermalvalue - rtlpriv->dm.thermalvalue) :
  673. (rtlpriv->dm.thermalvalue - thermalvalue);
  674. delta_lck = (thermalvalue > rtlpriv->dm.thermalvalue_lck) ?
  675. (thermalvalue - rtlpriv->dm.thermalvalue_lck) :
  676. (rtlpriv->dm.thermalvalue_lck - thermalvalue);
  677. delta_iqk = (thermalvalue > rtlpriv->dm.thermalvalue_iqk) ?
  678. (thermalvalue - rtlpriv->dm.thermalvalue_iqk) :
  679. (rtlpriv->dm.thermalvalue_iqk - thermalvalue);
  680. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  681. "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",
  682. thermalvalue, rtlpriv->dm.thermalvalue,
  683. rtlefuse->eeprom_thermalmeter, delta, delta_lck,
  684. delta_iqk);
  685. if (delta_lck > 1) {
  686. rtlpriv->dm.thermalvalue_lck = thermalvalue;
  687. rtl92c_phy_lc_calibrate(hw);
  688. }
  689. if (delta > 0 && rtlpriv->dm.txpower_track_control) {
  690. if (thermalvalue > rtlpriv->dm.thermalvalue) {
  691. for (i = 0; i < rf; i++)
  692. rtlpriv->dm.ofdm_index[i] -= delta;
  693. rtlpriv->dm.cck_index -= delta;
  694. } else {
  695. for (i = 0; i < rf; i++)
  696. rtlpriv->dm.ofdm_index[i] += delta;
  697. rtlpriv->dm.cck_index += delta;
  698. }
  699. if (is2t) {
  700. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  701. "temp OFDM_A_index=0x%x, OFDM_B_index=0x%x, cck_index=0x%x\n",
  702. rtlpriv->dm.ofdm_index[0],
  703. rtlpriv->dm.ofdm_index[1],
  704. rtlpriv->dm.cck_index);
  705. } else {
  706. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  707. "temp OFDM_A_index=0x%x, cck_index=0x%x\n",
  708. rtlpriv->dm.ofdm_index[0],
  709. rtlpriv->dm.cck_index);
  710. }
  711. if (thermalvalue > rtlefuse->eeprom_thermalmeter) {
  712. for (i = 0; i < rf; i++)
  713. ofdm_index[i] =
  714. rtlpriv->dm.ofdm_index[i]
  715. + 1;
  716. cck_index = rtlpriv->dm.cck_index + 1;
  717. } else {
  718. for (i = 0; i < rf; i++)
  719. ofdm_index[i] =
  720. rtlpriv->dm.ofdm_index[i];
  721. cck_index = rtlpriv->dm.cck_index;
  722. }
  723. for (i = 0; i < rf; i++) {
  724. if (txpwr_level[i] >= 0 &&
  725. txpwr_level[i] <= 26) {
  726. if (thermalvalue >
  727. rtlefuse->eeprom_thermalmeter) {
  728. if (delta < 5)
  729. ofdm_index[i] -= 1;
  730. else
  731. ofdm_index[i] -= 2;
  732. } else if (delta > 5 && thermalvalue <
  733. rtlefuse->
  734. eeprom_thermalmeter) {
  735. ofdm_index[i] += 1;
  736. }
  737. } else if (txpwr_level[i] >= 27 &&
  738. txpwr_level[i] <= 32
  739. && thermalvalue >
  740. rtlefuse->eeprom_thermalmeter) {
  741. if (delta < 5)
  742. ofdm_index[i] -= 1;
  743. else
  744. ofdm_index[i] -= 2;
  745. } else if (txpwr_level[i] >= 32 &&
  746. txpwr_level[i] <= 38 &&
  747. thermalvalue >
  748. rtlefuse->eeprom_thermalmeter
  749. && delta > 5) {
  750. ofdm_index[i] -= 1;
  751. }
  752. }
  753. if (txpwr_level[i] >= 0 && txpwr_level[i] <= 26) {
  754. if (thermalvalue >
  755. rtlefuse->eeprom_thermalmeter) {
  756. if (delta < 5)
  757. cck_index -= 1;
  758. else
  759. cck_index -= 2;
  760. } else if (delta > 5 && thermalvalue <
  761. rtlefuse->eeprom_thermalmeter) {
  762. cck_index += 1;
  763. }
  764. } else if (txpwr_level[i] >= 27 &&
  765. txpwr_level[i] <= 32 &&
  766. thermalvalue >
  767. rtlefuse->eeprom_thermalmeter) {
  768. if (delta < 5)
  769. cck_index -= 1;
  770. else
  771. cck_index -= 2;
  772. } else if (txpwr_level[i] >= 32 &&
  773. txpwr_level[i] <= 38 &&
  774. thermalvalue > rtlefuse->eeprom_thermalmeter
  775. && delta > 5) {
  776. cck_index -= 1;
  777. }
  778. for (i = 0; i < rf; i++) {
  779. if (ofdm_index[i] > OFDM_TABLE_SIZE - 1)
  780. ofdm_index[i] = OFDM_TABLE_SIZE - 1;
  781. else if (ofdm_index[i] < ofdm_min_index)
  782. ofdm_index[i] = ofdm_min_index;
  783. }
  784. if (cck_index > CCK_TABLE_SIZE - 1)
  785. cck_index = CCK_TABLE_SIZE - 1;
  786. else if (cck_index < 0)
  787. cck_index = 0;
  788. if (is2t) {
  789. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  790. "new OFDM_A_index=0x%x, OFDM_B_index=0x%x, cck_index=0x%x\n",
  791. ofdm_index[0], ofdm_index[1],
  792. cck_index);
  793. } else {
  794. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  795. "new OFDM_A_index=0x%x, cck_index=0x%x\n",
  796. ofdm_index[0], cck_index);
  797. }
  798. }
  799. if (rtlpriv->dm.txpower_track_control && delta != 0) {
  800. ele_d =
  801. (ofdmswing_table[ofdm_index[0]] & 0xFFC00000) >> 22;
  802. val_x = rtlphy->reg_e94;
  803. val_y = rtlphy->reg_e9c;
  804. if (val_x != 0) {
  805. if ((val_x & 0x00000200) != 0)
  806. val_x = val_x | 0xFFFFFC00;
  807. ele_a = ((val_x * ele_d) >> 8) & 0x000003FF;
  808. if ((val_y & 0x00000200) != 0)
  809. val_y = val_y | 0xFFFFFC00;
  810. ele_c = ((val_y * ele_d) >> 8) & 0x000003FF;
  811. value32 = (ele_d << 22) |
  812. ((ele_c & 0x3F) << 16) | ele_a;
  813. rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
  814. MASKDWORD, value32);
  815. value32 = (ele_c & 0x000003C0) >> 6;
  816. rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
  817. value32);
  818. value32 = ((val_x * ele_d) >> 7) & 0x01;
  819. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  820. BIT(31), value32);
  821. value32 = ((val_y * ele_d) >> 7) & 0x01;
  822. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  823. BIT(29), value32);
  824. } else {
  825. rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
  826. MASKDWORD,
  827. ofdmswing_table[ofdm_index[0]]);
  828. rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
  829. 0x00);
  830. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  831. BIT(31) | BIT(29), 0x00);
  832. }
  833. if (!rtlpriv->dm.cck_inch14) {
  834. rtl_write_byte(rtlpriv, 0xa22,
  835. cckswing_table_ch1ch13[cck_index]
  836. [0]);
  837. rtl_write_byte(rtlpriv, 0xa23,
  838. cckswing_table_ch1ch13[cck_index]
  839. [1]);
  840. rtl_write_byte(rtlpriv, 0xa24,
  841. cckswing_table_ch1ch13[cck_index]
  842. [2]);
  843. rtl_write_byte(rtlpriv, 0xa25,
  844. cckswing_table_ch1ch13[cck_index]
  845. [3]);
  846. rtl_write_byte(rtlpriv, 0xa26,
  847. cckswing_table_ch1ch13[cck_index]
  848. [4]);
  849. rtl_write_byte(rtlpriv, 0xa27,
  850. cckswing_table_ch1ch13[cck_index]
  851. [5]);
  852. rtl_write_byte(rtlpriv, 0xa28,
  853. cckswing_table_ch1ch13[cck_index]
  854. [6]);
  855. rtl_write_byte(rtlpriv, 0xa29,
  856. cckswing_table_ch1ch13[cck_index]
  857. [7]);
  858. } else {
  859. rtl_write_byte(rtlpriv, 0xa22,
  860. cckswing_table_ch14[cck_index]
  861. [0]);
  862. rtl_write_byte(rtlpriv, 0xa23,
  863. cckswing_table_ch14[cck_index]
  864. [1]);
  865. rtl_write_byte(rtlpriv, 0xa24,
  866. cckswing_table_ch14[cck_index]
  867. [2]);
  868. rtl_write_byte(rtlpriv, 0xa25,
  869. cckswing_table_ch14[cck_index]
  870. [3]);
  871. rtl_write_byte(rtlpriv, 0xa26,
  872. cckswing_table_ch14[cck_index]
  873. [4]);
  874. rtl_write_byte(rtlpriv, 0xa27,
  875. cckswing_table_ch14[cck_index]
  876. [5]);
  877. rtl_write_byte(rtlpriv, 0xa28,
  878. cckswing_table_ch14[cck_index]
  879. [6]);
  880. rtl_write_byte(rtlpriv, 0xa29,
  881. cckswing_table_ch14[cck_index]
  882. [7]);
  883. }
  884. if (is2t) {
  885. ele_d = (ofdmswing_table[ofdm_index[1]] &
  886. 0xFFC00000) >> 22;
  887. val_x = rtlphy->reg_eb4;
  888. val_y = rtlphy->reg_ebc;
  889. if (val_x != 0) {
  890. if ((val_x & 0x00000200) != 0)
  891. val_x = val_x | 0xFFFFFC00;
  892. ele_a = ((val_x * ele_d) >> 8) &
  893. 0x000003FF;
  894. if ((val_y & 0x00000200) != 0)
  895. val_y = val_y | 0xFFFFFC00;
  896. ele_c = ((val_y * ele_d) >> 8) &
  897. 0x00003FF;
  898. value32 = (ele_d << 22) |
  899. ((ele_c & 0x3F) << 16) | ele_a;
  900. rtl_set_bbreg(hw,
  901. ROFDM0_XBTXIQIMBALANCE,
  902. MASKDWORD, value32);
  903. value32 = (ele_c & 0x000003C0) >> 6;
  904. rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
  905. MASKH4BITS, value32);
  906. value32 = ((val_x * ele_d) >> 7) & 0x01;
  907. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  908. BIT(27), value32);
  909. value32 = ((val_y * ele_d) >> 7) & 0x01;
  910. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  911. BIT(25), value32);
  912. } else {
  913. rtl_set_bbreg(hw,
  914. ROFDM0_XBTXIQIMBALANCE,
  915. MASKDWORD,
  916. ofdmswing_table[ofdm_index
  917. [1]]);
  918. rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
  919. MASKH4BITS, 0x00);
  920. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  921. BIT(27) | BIT(25), 0x00);
  922. }
  923. }
  924. }
  925. if (delta_iqk > 3) {
  926. rtlpriv->dm.thermalvalue_iqk = thermalvalue;
  927. rtl92c_phy_iq_calibrate(hw, false);
  928. }
  929. if (rtlpriv->dm.txpower_track_control)
  930. rtlpriv->dm.thermalvalue = thermalvalue;
  931. }
  932. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, "<===\n");
  933. }
  934. static void rtl92c_dm_initialize_txpower_tracking_thermalmeter(
  935. struct ieee80211_hw *hw)
  936. {
  937. struct rtl_priv *rtlpriv = rtl_priv(hw);
  938. rtlpriv->dm.txpower_tracking = true;
  939. rtlpriv->dm.txpower_trackinginit = false;
  940. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  941. "pMgntInfo->txpower_tracking = %d\n",
  942. rtlpriv->dm.txpower_tracking);
  943. }
  944. static void rtl92c_dm_initialize_txpower_tracking(struct ieee80211_hw *hw)
  945. {
  946. rtl92c_dm_initialize_txpower_tracking_thermalmeter(hw);
  947. }
  948. static void rtl92c_dm_txpower_tracking_directcall(struct ieee80211_hw *hw)
  949. {
  950. rtl92c_dm_txpower_tracking_callback_thermalmeter(hw);
  951. }
  952. static void rtl92c_dm_check_txpower_tracking_thermal_meter(
  953. struct ieee80211_hw *hw)
  954. {
  955. struct rtl_priv *rtlpriv = rtl_priv(hw);
  956. static u8 tm_trigger;
  957. if (!rtlpriv->dm.txpower_tracking)
  958. return;
  959. if (!tm_trigger) {
  960. rtl_set_rfreg(hw, RF90_PATH_A, RF_T_METER, RFREG_OFFSET_MASK,
  961. 0x60);
  962. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  963. "Trigger 92S Thermal Meter!!\n");
  964. tm_trigger = 1;
  965. return;
  966. } else {
  967. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  968. "Schedule TxPowerTracking direct call!!\n");
  969. rtl92c_dm_txpower_tracking_directcall(hw);
  970. tm_trigger = 0;
  971. }
  972. }
  973. void rtl92c_dm_check_txpower_tracking(struct ieee80211_hw *hw)
  974. {
  975. rtl92c_dm_check_txpower_tracking_thermal_meter(hw);
  976. }
  977. EXPORT_SYMBOL(rtl92c_dm_check_txpower_tracking);
  978. void rtl92c_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw)
  979. {
  980. struct rtl_priv *rtlpriv = rtl_priv(hw);
  981. struct rate_adaptive *p_ra = &(rtlpriv->ra);
  982. p_ra->ratr_state = DM_RATR_STA_INIT;
  983. p_ra->pre_ratr_state = DM_RATR_STA_INIT;
  984. if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER)
  985. rtlpriv->dm.useramask = true;
  986. else
  987. rtlpriv->dm.useramask = false;
  988. }
  989. EXPORT_SYMBOL(rtl92c_dm_init_rate_adaptive_mask);
  990. static void rtl92c_dm_refresh_rate_adaptive_mask(struct ieee80211_hw *hw)
  991. {
  992. struct rtl_priv *rtlpriv = rtl_priv(hw);
  993. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  994. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  995. struct rate_adaptive *p_ra = &(rtlpriv->ra);
  996. u32 low_rssi_thresh, high_rssi_thresh;
  997. struct ieee80211_sta *sta = NULL;
  998. if (is_hal_stop(rtlhal)) {
  999. RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
  1000. "<---- driver is going to unload\n");
  1001. return;
  1002. }
  1003. if (!rtlpriv->dm.useramask) {
  1004. RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
  1005. "<---- driver does not control rate adaptive mask\n");
  1006. return;
  1007. }
  1008. if (mac->link_state == MAC80211_LINKED &&
  1009. mac->opmode == NL80211_IFTYPE_STATION) {
  1010. switch (p_ra->pre_ratr_state) {
  1011. case DM_RATR_STA_HIGH:
  1012. high_rssi_thresh = 50;
  1013. low_rssi_thresh = 20;
  1014. break;
  1015. case DM_RATR_STA_MIDDLE:
  1016. high_rssi_thresh = 55;
  1017. low_rssi_thresh = 20;
  1018. break;
  1019. case DM_RATR_STA_LOW:
  1020. high_rssi_thresh = 50;
  1021. low_rssi_thresh = 25;
  1022. break;
  1023. default:
  1024. high_rssi_thresh = 50;
  1025. low_rssi_thresh = 20;
  1026. break;
  1027. }
  1028. if (rtlpriv->dm.undec_sm_pwdb > (long)high_rssi_thresh)
  1029. p_ra->ratr_state = DM_RATR_STA_HIGH;
  1030. else if (rtlpriv->dm.undec_sm_pwdb > (long)low_rssi_thresh)
  1031. p_ra->ratr_state = DM_RATR_STA_MIDDLE;
  1032. else
  1033. p_ra->ratr_state = DM_RATR_STA_LOW;
  1034. if (p_ra->pre_ratr_state != p_ra->ratr_state) {
  1035. RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD, "RSSI = %ld\n",
  1036. rtlpriv->dm.undec_sm_pwdb);
  1037. RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
  1038. "RSSI_LEVEL = %d\n", p_ra->ratr_state);
  1039. RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
  1040. "PreState = %d, CurState = %d\n",
  1041. p_ra->pre_ratr_state, p_ra->ratr_state);
  1042. rcu_read_lock();
  1043. sta = ieee80211_find_sta(mac->vif, mac->bssid);
  1044. rtlpriv->cfg->ops->update_rate_tbl(hw, sta,
  1045. p_ra->ratr_state);
  1046. p_ra->pre_ratr_state = p_ra->ratr_state;
  1047. rcu_read_unlock();
  1048. }
  1049. }
  1050. }
  1051. static void rtl92c_dm_init_dynamic_bb_powersaving(struct ieee80211_hw *hw)
  1052. {
  1053. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1054. struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
  1055. dm_pstable->pre_ccastate = CCA_MAX;
  1056. dm_pstable->cur_ccasate = CCA_MAX;
  1057. dm_pstable->pre_rfstate = RF_MAX;
  1058. dm_pstable->cur_rfstate = RF_MAX;
  1059. dm_pstable->rssi_val_min = 0;
  1060. }
  1061. void rtl92c_dm_rf_saving(struct ieee80211_hw *hw, u8 bforce_in_normal)
  1062. {
  1063. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1064. struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
  1065. static u8 initialize;
  1066. static u32 reg_874, reg_c70, reg_85c, reg_a74;
  1067. if (initialize == 0) {
  1068. reg_874 = (rtl_get_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
  1069. MASKDWORD) & 0x1CC000) >> 14;
  1070. reg_c70 = (rtl_get_bbreg(hw, ROFDM0_AGCPARAMETER1,
  1071. MASKDWORD) & BIT(3)) >> 3;
  1072. reg_85c = (rtl_get_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
  1073. MASKDWORD) & 0xFF000000) >> 24;
  1074. reg_a74 = (rtl_get_bbreg(hw, 0xa74, MASKDWORD) & 0xF000) >> 12;
  1075. initialize = 1;
  1076. }
  1077. if (!bforce_in_normal) {
  1078. if (dm_pstable->rssi_val_min != 0) {
  1079. if (dm_pstable->pre_rfstate == RF_NORMAL) {
  1080. if (dm_pstable->rssi_val_min >= 30)
  1081. dm_pstable->cur_rfstate = RF_SAVE;
  1082. else
  1083. dm_pstable->cur_rfstate = RF_NORMAL;
  1084. } else {
  1085. if (dm_pstable->rssi_val_min <= 25)
  1086. dm_pstable->cur_rfstate = RF_NORMAL;
  1087. else
  1088. dm_pstable->cur_rfstate = RF_SAVE;
  1089. }
  1090. } else {
  1091. dm_pstable->cur_rfstate = RF_MAX;
  1092. }
  1093. } else {
  1094. dm_pstable->cur_rfstate = RF_NORMAL;
  1095. }
  1096. if (dm_pstable->pre_rfstate != dm_pstable->cur_rfstate) {
  1097. if (dm_pstable->cur_rfstate == RF_SAVE) {
  1098. rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
  1099. 0x1C0000, 0x2);
  1100. rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3), 0);
  1101. rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
  1102. 0xFF000000, 0x63);
  1103. rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
  1104. 0xC000, 0x2);
  1105. rtl_set_bbreg(hw, 0xa74, 0xF000, 0x3);
  1106. rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
  1107. rtl_set_bbreg(hw, 0x818, BIT(28), 0x1);
  1108. } else {
  1109. rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
  1110. 0x1CC000, reg_874);
  1111. rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3),
  1112. reg_c70);
  1113. rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL, 0xFF000000,
  1114. reg_85c);
  1115. rtl_set_bbreg(hw, 0xa74, 0xF000, reg_a74);
  1116. rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
  1117. }
  1118. dm_pstable->pre_rfstate = dm_pstable->cur_rfstate;
  1119. }
  1120. }
  1121. EXPORT_SYMBOL(rtl92c_dm_rf_saving);
  1122. static void rtl92c_dm_dynamic_bb_powersaving(struct ieee80211_hw *hw)
  1123. {
  1124. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1125. struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
  1126. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  1127. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  1128. if (((mac->link_state == MAC80211_NOLINK)) &&
  1129. (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
  1130. dm_pstable->rssi_val_min = 0;
  1131. RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD, "Not connected to any\n");
  1132. }
  1133. if (mac->link_state == MAC80211_LINKED) {
  1134. if (mac->opmode == NL80211_IFTYPE_ADHOC) {
  1135. dm_pstable->rssi_val_min =
  1136. rtlpriv->dm.entry_min_undec_sm_pwdb;
  1137. RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
  1138. "AP Client PWDB = 0x%lx\n",
  1139. dm_pstable->rssi_val_min);
  1140. } else {
  1141. dm_pstable->rssi_val_min = rtlpriv->dm.undec_sm_pwdb;
  1142. RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
  1143. "STA Default Port PWDB = 0x%lx\n",
  1144. dm_pstable->rssi_val_min);
  1145. }
  1146. } else {
  1147. dm_pstable->rssi_val_min =
  1148. rtlpriv->dm.entry_min_undec_sm_pwdb;
  1149. RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
  1150. "AP Ext Port PWDB = 0x%lx\n",
  1151. dm_pstable->rssi_val_min);
  1152. }
  1153. if (IS_92C_SERIAL(rtlhal->version))
  1154. ;/* rtl92c_dm_1r_cca(hw); */
  1155. else
  1156. rtl92c_dm_rf_saving(hw, false);
  1157. }
  1158. void rtl92c_dm_init(struct ieee80211_hw *hw)
  1159. {
  1160. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1161. rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
  1162. rtl92c_dm_diginit(hw);
  1163. rtl92c_dm_init_dynamic_txpower(hw);
  1164. rtl92c_dm_init_edca_turbo(hw);
  1165. rtl92c_dm_init_rate_adaptive_mask(hw);
  1166. rtl92c_dm_initialize_txpower_tracking(hw);
  1167. rtl92c_dm_init_dynamic_bb_powersaving(hw);
  1168. }
  1169. EXPORT_SYMBOL(rtl92c_dm_init);
  1170. void rtl92c_dm_dynamic_txpower(struct ieee80211_hw *hw)
  1171. {
  1172. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1173. struct rtl_phy *rtlphy = &(rtlpriv->phy);
  1174. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  1175. long undec_sm_pwdb;
  1176. if (!rtlpriv->dm.dynamic_txpower_enable)
  1177. return;
  1178. if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
  1179. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
  1180. return;
  1181. }
  1182. if ((mac->link_state < MAC80211_LINKED) &&
  1183. (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
  1184. RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
  1185. "Not connected to any\n");
  1186. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
  1187. rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
  1188. return;
  1189. }
  1190. if (mac->link_state >= MAC80211_LINKED) {
  1191. if (mac->opmode == NL80211_IFTYPE_ADHOC) {
  1192. undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
  1193. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1194. "AP Client PWDB = 0x%lx\n",
  1195. undec_sm_pwdb);
  1196. } else {
  1197. undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
  1198. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1199. "STA Default Port PWDB = 0x%lx\n",
  1200. undec_sm_pwdb);
  1201. }
  1202. } else {
  1203. undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
  1204. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1205. "AP Ext Port PWDB = 0x%lx\n",
  1206. undec_sm_pwdb);
  1207. }
  1208. if (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
  1209. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
  1210. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1211. "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n");
  1212. } else if ((undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
  1213. (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL1)) {
  1214. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
  1215. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1216. "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n");
  1217. } else if (undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) {
  1218. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
  1219. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1220. "TXHIGHPWRLEVEL_NORMAL\n");
  1221. }
  1222. if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
  1223. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1224. "PHY_SetTxPowerLevel8192S() Channel = %d\n",
  1225. rtlphy->current_channel);
  1226. rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel);
  1227. }
  1228. rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
  1229. }
  1230. void rtl92c_dm_watchdog(struct ieee80211_hw *hw)
  1231. {
  1232. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1233. struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
  1234. bool fw_current_inpsmode = false;
  1235. bool fw_ps_awake = true;
  1236. rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS,
  1237. (u8 *) (&fw_current_inpsmode));
  1238. rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FWLPS_RF_ON,
  1239. (u8 *) (&fw_ps_awake));
  1240. if ((ppsc->rfpwr_state == ERFON) && ((!fw_current_inpsmode) &&
  1241. fw_ps_awake)
  1242. && (!ppsc->rfchange_inprogress)) {
  1243. rtl92c_dm_pwdb_monitor(hw);
  1244. rtl92c_dm_dig(hw);
  1245. rtl92c_dm_false_alarm_counter_statistics(hw);
  1246. rtl92c_dm_dynamic_bb_powersaving(hw);
  1247. rtl92c_dm_dynamic_txpower(hw);
  1248. rtl92c_dm_check_txpower_tracking(hw);
  1249. rtl92c_dm_refresh_rate_adaptive_mask(hw);
  1250. rtl92c_dm_bt_coexist(hw);
  1251. rtl92c_dm_check_edca_turbo(hw);
  1252. }
  1253. }
  1254. EXPORT_SYMBOL(rtl92c_dm_watchdog);
  1255. u8 rtl92c_bt_rssi_state_change(struct ieee80211_hw *hw)
  1256. {
  1257. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1258. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1259. long undec_sm_pwdb;
  1260. u8 curr_bt_rssi_state = 0x00;
  1261. if (rtlpriv->mac80211.link_state == MAC80211_LINKED) {
  1262. undec_sm_pwdb = GET_UNDECORATED_AVERAGE_RSSI(rtlpriv);
  1263. } else {
  1264. if (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)
  1265. undec_sm_pwdb = 100;
  1266. else
  1267. undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
  1268. }
  1269. /* Check RSSI to determine HighPower/NormalPower state for
  1270. * BT coexistence. */
  1271. if (undec_sm_pwdb >= 67)
  1272. curr_bt_rssi_state &= (~BT_RSSI_STATE_NORMAL_POWER);
  1273. else if (undec_sm_pwdb < 62)
  1274. curr_bt_rssi_state |= BT_RSSI_STATE_NORMAL_POWER;
  1275. /* Check RSSI to determine AMPDU setting for BT coexistence. */
  1276. if (undec_sm_pwdb >= 40)
  1277. curr_bt_rssi_state &= (~BT_RSSI_STATE_AMDPU_OFF);
  1278. else if (undec_sm_pwdb <= 32)
  1279. curr_bt_rssi_state |= BT_RSSI_STATE_AMDPU_OFF;
  1280. /* Marked RSSI state. It will be used to determine BT coexistence
  1281. * setting later. */
  1282. if (undec_sm_pwdb < 35)
  1283. curr_bt_rssi_state |= BT_RSSI_STATE_SPECIAL_LOW;
  1284. else
  1285. curr_bt_rssi_state &= (~BT_RSSI_STATE_SPECIAL_LOW);
  1286. /* Set Tx Power according to BT status. */
  1287. if (undec_sm_pwdb >= 30)
  1288. curr_bt_rssi_state |= BT_RSSI_STATE_TXPOWER_LOW;
  1289. else if (undec_sm_pwdb < 25)
  1290. curr_bt_rssi_state &= (~BT_RSSI_STATE_TXPOWER_LOW);
  1291. /* Check BT state related to BT_Idle in B/G mode. */
  1292. if (undec_sm_pwdb < 15)
  1293. curr_bt_rssi_state |= BT_RSSI_STATE_BG_EDCA_LOW;
  1294. else
  1295. curr_bt_rssi_state &= (~BT_RSSI_STATE_BG_EDCA_LOW);
  1296. if (curr_bt_rssi_state != rtlpcipriv->bt_coexist.bt_rssi_state) {
  1297. rtlpcipriv->bt_coexist.bt_rssi_state = curr_bt_rssi_state;
  1298. return true;
  1299. } else {
  1300. return false;
  1301. }
  1302. }
  1303. EXPORT_SYMBOL(rtl92c_bt_rssi_state_change);
  1304. static bool rtl92c_bt_state_change(struct ieee80211_hw *hw)
  1305. {
  1306. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1307. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1308. u32 polling, ratio_tx, ratio_pri;
  1309. u32 bt_tx, bt_pri;
  1310. u8 bt_state;
  1311. u8 cur_service_type;
  1312. if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
  1313. return false;
  1314. bt_state = rtl_read_byte(rtlpriv, 0x4fd);
  1315. bt_tx = rtl_read_dword(rtlpriv, 0x488);
  1316. bt_tx = bt_tx & 0x00ffffff;
  1317. bt_pri = rtl_read_dword(rtlpriv, 0x48c);
  1318. bt_pri = bt_pri & 0x00ffffff;
  1319. polling = rtl_read_dword(rtlpriv, 0x490);
  1320. if (bt_tx == 0xffffffff && bt_pri == 0xffffffff &&
  1321. polling == 0xffffffff && bt_state == 0xff)
  1322. return false;
  1323. bt_state &= BIT_OFFSET_LEN_MASK_32(0, 1);
  1324. if (bt_state != rtlpcipriv->bt_coexist.bt_cur_state) {
  1325. rtlpcipriv->bt_coexist.bt_cur_state = bt_state;
  1326. if (rtlpcipriv->bt_coexist.reg_bt_sco == 3) {
  1327. rtlpcipriv->bt_coexist.bt_service = BT_IDLE;
  1328. bt_state = bt_state |
  1329. ((rtlpcipriv->bt_coexist.bt_ant_isolation == 1) ?
  1330. 0 : BIT_OFFSET_LEN_MASK_32(1, 1)) |
  1331. BIT_OFFSET_LEN_MASK_32(2, 1);
  1332. rtl_write_byte(rtlpriv, 0x4fd, bt_state);
  1333. }
  1334. return true;
  1335. }
  1336. ratio_tx = bt_tx * 1000 / polling;
  1337. ratio_pri = bt_pri * 1000 / polling;
  1338. rtlpcipriv->bt_coexist.ratio_tx = ratio_tx;
  1339. rtlpcipriv->bt_coexist.ratio_pri = ratio_pri;
  1340. if (bt_state && rtlpcipriv->bt_coexist.reg_bt_sco == 3) {
  1341. if ((ratio_tx < 30) && (ratio_pri < 30))
  1342. cur_service_type = BT_IDLE;
  1343. else if ((ratio_pri > 110) && (ratio_pri < 250))
  1344. cur_service_type = BT_SCO;
  1345. else if ((ratio_tx >= 200) && (ratio_pri >= 200))
  1346. cur_service_type = BT_BUSY;
  1347. else if ((ratio_tx >= 350) && (ratio_tx < 500))
  1348. cur_service_type = BT_OTHERBUSY;
  1349. else if (ratio_tx >= 500)
  1350. cur_service_type = BT_PAN;
  1351. else
  1352. cur_service_type = BT_OTHER_ACTION;
  1353. if (cur_service_type != rtlpcipriv->bt_coexist.bt_service) {
  1354. rtlpcipriv->bt_coexist.bt_service = cur_service_type;
  1355. bt_state = bt_state |
  1356. ((rtlpcipriv->bt_coexist.bt_ant_isolation == 1) ?
  1357. 0 : BIT_OFFSET_LEN_MASK_32(1, 1)) |
  1358. ((rtlpcipriv->bt_coexist.bt_service != BT_IDLE) ?
  1359. 0 : BIT_OFFSET_LEN_MASK_32(2, 1));
  1360. /* Add interrupt migration when bt is not ini
  1361. * idle state (no traffic). */
  1362. if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
  1363. rtl_write_word(rtlpriv, 0x504, 0x0ccc);
  1364. rtl_write_byte(rtlpriv, 0x506, 0x54);
  1365. rtl_write_byte(rtlpriv, 0x507, 0x54);
  1366. } else {
  1367. rtl_write_byte(rtlpriv, 0x506, 0x00);
  1368. rtl_write_byte(rtlpriv, 0x507, 0x00);
  1369. }
  1370. rtl_write_byte(rtlpriv, 0x4fd, bt_state);
  1371. return true;
  1372. }
  1373. }
  1374. return false;
  1375. }
  1376. static bool rtl92c_bt_wifi_connect_change(struct ieee80211_hw *hw)
  1377. {
  1378. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1379. static bool media_connect;
  1380. if (rtlpriv->mac80211.link_state < MAC80211_LINKED) {
  1381. media_connect = false;
  1382. } else {
  1383. if (!media_connect) {
  1384. media_connect = true;
  1385. return true;
  1386. }
  1387. media_connect = true;
  1388. }
  1389. return false;
  1390. }
  1391. static void rtl92c_bt_set_normal(struct ieee80211_hw *hw)
  1392. {
  1393. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1394. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1395. if (rtlpcipriv->bt_coexist.bt_service == BT_OTHERBUSY) {
  1396. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea72b;
  1397. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea72b;
  1398. } else if (rtlpcipriv->bt_coexist.bt_service == BT_BUSY) {
  1399. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5eb82f;
  1400. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5eb82f;
  1401. } else if (rtlpcipriv->bt_coexist.bt_service == BT_SCO) {
  1402. if (rtlpcipriv->bt_coexist.ratio_tx > 160) {
  1403. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea72f;
  1404. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea72f;
  1405. } else {
  1406. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea32b;
  1407. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea42b;
  1408. }
  1409. } else {
  1410. rtlpcipriv->bt_coexist.bt_edca_ul = 0;
  1411. rtlpcipriv->bt_coexist.bt_edca_dl = 0;
  1412. }
  1413. if ((rtlpcipriv->bt_coexist.bt_service != BT_IDLE) &&
  1414. (rtlpriv->mac80211.mode == WIRELESS_MODE_G ||
  1415. (rtlpriv->mac80211.mode == (WIRELESS_MODE_G | WIRELESS_MODE_B))) &&
  1416. (rtlpcipriv->bt_coexist.bt_rssi_state &
  1417. BT_RSSI_STATE_BG_EDCA_LOW)) {
  1418. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5eb82b;
  1419. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5eb82b;
  1420. }
  1421. }
  1422. static void rtl92c_bt_ant_isolation(struct ieee80211_hw *hw)
  1423. {
  1424. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1425. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1426. /* Only enable HW BT coexist when BT in "Busy" state. */
  1427. if (rtlpriv->mac80211.vendor == PEER_CISCO &&
  1428. rtlpcipriv->bt_coexist.bt_service == BT_OTHER_ACTION) {
  1429. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
  1430. } else {
  1431. if ((rtlpcipriv->bt_coexist.bt_service == BT_BUSY) &&
  1432. (rtlpcipriv->bt_coexist.bt_rssi_state &
  1433. BT_RSSI_STATE_NORMAL_POWER)) {
  1434. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
  1435. } else if ((rtlpcipriv->bt_coexist.bt_service ==
  1436. BT_OTHER_ACTION) && (rtlpriv->mac80211.mode <
  1437. WIRELESS_MODE_N_24G) &&
  1438. (rtlpcipriv->bt_coexist.bt_rssi_state &
  1439. BT_RSSI_STATE_SPECIAL_LOW)) {
  1440. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
  1441. } else if (rtlpcipriv->bt_coexist.bt_service == BT_PAN) {
  1442. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0x00);
  1443. } else {
  1444. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0x00);
  1445. }
  1446. }
  1447. if (rtlpcipriv->bt_coexist.bt_service == BT_PAN)
  1448. rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x10100);
  1449. else
  1450. rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x0);
  1451. if (rtlpcipriv->bt_coexist.bt_rssi_state &
  1452. BT_RSSI_STATE_NORMAL_POWER) {
  1453. rtl92c_bt_set_normal(hw);
  1454. } else {
  1455. rtlpcipriv->bt_coexist.bt_edca_ul = 0;
  1456. rtlpcipriv->bt_coexist.bt_edca_dl = 0;
  1457. }
  1458. if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
  1459. rtlpriv->cfg->ops->set_rfreg(hw,
  1460. RF90_PATH_A,
  1461. 0x1e,
  1462. 0xf0, 0xf);
  1463. } else {
  1464. rtlpriv->cfg->ops->set_rfreg(hw,
  1465. RF90_PATH_A, 0x1e, 0xf0,
  1466. rtlpcipriv->bt_coexist.bt_rfreg_origin_1e);
  1467. }
  1468. if (!rtlpriv->dm.dynamic_txpower_enable) {
  1469. if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
  1470. if (rtlpcipriv->bt_coexist.bt_rssi_state &
  1471. BT_RSSI_STATE_TXPOWER_LOW) {
  1472. rtlpriv->dm.dynamic_txhighpower_lvl =
  1473. TXHIGHPWRLEVEL_BT2;
  1474. } else {
  1475. rtlpriv->dm.dynamic_txhighpower_lvl =
  1476. TXHIGHPWRLEVEL_BT1;
  1477. }
  1478. } else {
  1479. rtlpriv->dm.dynamic_txhighpower_lvl =
  1480. TXHIGHPWRLEVEL_NORMAL;
  1481. }
  1482. rtl92c_phy_set_txpower_level(hw,
  1483. rtlpriv->phy.current_channel);
  1484. }
  1485. }
  1486. static void rtl92c_check_bt_change(struct ieee80211_hw *hw)
  1487. {
  1488. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1489. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1490. if (rtlpcipriv->bt_coexist.bt_cur_state) {
  1491. if (rtlpcipriv->bt_coexist.bt_ant_isolation)
  1492. rtl92c_bt_ant_isolation(hw);
  1493. } else {
  1494. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0x00);
  1495. rtlpriv->cfg->ops->set_rfreg(hw, RF90_PATH_A, 0x1e, 0xf0,
  1496. rtlpcipriv->bt_coexist.bt_rfreg_origin_1e);
  1497. rtlpcipriv->bt_coexist.bt_edca_ul = 0;
  1498. rtlpcipriv->bt_coexist.bt_edca_dl = 0;
  1499. }
  1500. }
  1501. void rtl92c_dm_bt_coexist(struct ieee80211_hw *hw)
  1502. {
  1503. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1504. bool wifi_connect_change;
  1505. bool bt_state_change;
  1506. bool rssi_state_change;
  1507. if ((rtlpcipriv->bt_coexist.bt_coexistence) &&
  1508. (rtlpcipriv->bt_coexist.bt_coexist_type == BT_CSR_BC4)) {
  1509. wifi_connect_change = rtl92c_bt_wifi_connect_change(hw);
  1510. bt_state_change = rtl92c_bt_state_change(hw);
  1511. rssi_state_change = rtl92c_bt_rssi_state_change(hw);
  1512. if (wifi_connect_change || bt_state_change || rssi_state_change)
  1513. rtl92c_check_bt_change(hw);
  1514. }
  1515. }
  1516. EXPORT_SYMBOL(rtl92c_dm_bt_coexist);