dm_common.c 51 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_max = DM_DIG_MAX;
  170. dm_digtable->rx_gain_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_max)
  278. digtable->cur_igvalue = digtable->rx_gain_max;
  279. else if ((digtable->rssi_val_min + 10 -
  280. digtable->back_val) < digtable->rx_gain_min)
  281. digtable->cur_igvalue = digtable->rx_gain_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], ofdm_index_old[2], cck_index_old = 0;
  584. s8 cck_index = 0;
  585. int i;
  586. bool is2t = IS_92C_SERIAL(rtlhal->version);
  587. s8 txpwr_level[2] = {0, 0};
  588. u8 ofdm_min_index = 6, rf;
  589. rtlpriv->dm.txpower_trackinginit = true;
  590. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  591. "rtl92c_dm_txpower_tracking_callback_thermalmeter\n");
  592. thermalvalue = (u8) rtl_get_rfreg(hw, RF90_PATH_A, RF_T_METER, 0x1f);
  593. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  594. "Readback Thermal Meter = 0x%x pre thermal meter 0x%x 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, ofdm_index=0x%x\n",
  611. ROFDM0_XATXIQIMBALANCE,
  612. ele_d, ofdm_index_old[0]);
  613. break;
  614. }
  615. }
  616. if (is2t) {
  617. ele_d = rtl_get_bbreg(hw, ROFDM0_XBTXIQIMBALANCE,
  618. MASKDWORD) & MASKOFDM_D;
  619. for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
  620. if (ele_d == (ofdmswing_table[i] &
  621. MASKOFDM_D)) {
  622. RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
  623. DBG_LOUD,
  624. "Initial pathB ele_d reg0x%x = 0x%lx, ofdm_index=0x%x\n",
  625. ROFDM0_XBTXIQIMBALANCE, ele_d,
  626. ofdm_index_old[1]);
  627. break;
  628. }
  629. }
  630. }
  631. temp_cck =
  632. rtl_get_bbreg(hw, RCCK0_TXFILTER2, MASKDWORD) & MASKCCK;
  633. for (i = 0; i < CCK_TABLE_LENGTH; i++) {
  634. if (rtlpriv->dm.cck_inch14) {
  635. if (memcmp((void *)&temp_cck,
  636. (void *)&cckswing_table_ch14[i][2],
  637. 4) == 0) {
  638. cck_index_old = (u8) i;
  639. RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
  640. DBG_LOUD,
  641. "Initial reg0x%x = 0x%lx, cck_index=0x%x, ch 14 %d\n",
  642. RCCK0_TXFILTER2, temp_cck,
  643. cck_index_old,
  644. rtlpriv->dm.cck_inch14);
  645. break;
  646. }
  647. } else {
  648. if (memcmp((void *)&temp_cck,
  649. (void *)
  650. &cckswing_table_ch1ch13[i][2],
  651. 4) == 0) {
  652. cck_index_old = (u8) i;
  653. RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
  654. DBG_LOUD,
  655. "Initial reg0x%x = 0x%lx, cck_index=0x%x, ch14 %d\n",
  656. RCCK0_TXFILTER2, temp_cck,
  657. cck_index_old,
  658. rtlpriv->dm.cck_inch14);
  659. break;
  660. }
  661. }
  662. }
  663. if (!rtlpriv->dm.thermalvalue) {
  664. rtlpriv->dm.thermalvalue =
  665. rtlefuse->eeprom_thermalmeter;
  666. rtlpriv->dm.thermalvalue_lck = thermalvalue;
  667. rtlpriv->dm.thermalvalue_iqk = thermalvalue;
  668. for (i = 0; i < rf; i++)
  669. rtlpriv->dm.ofdm_index[i] = ofdm_index_old[i];
  670. rtlpriv->dm.cck_index = cck_index_old;
  671. }
  672. delta = (thermalvalue > rtlpriv->dm.thermalvalue) ?
  673. (thermalvalue - rtlpriv->dm.thermalvalue) :
  674. (rtlpriv->dm.thermalvalue - thermalvalue);
  675. delta_lck = (thermalvalue > rtlpriv->dm.thermalvalue_lck) ?
  676. (thermalvalue - rtlpriv->dm.thermalvalue_lck) :
  677. (rtlpriv->dm.thermalvalue_lck - thermalvalue);
  678. delta_iqk = (thermalvalue > rtlpriv->dm.thermalvalue_iqk) ?
  679. (thermalvalue - rtlpriv->dm.thermalvalue_iqk) :
  680. (rtlpriv->dm.thermalvalue_iqk - thermalvalue);
  681. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  682. "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",
  683. thermalvalue, rtlpriv->dm.thermalvalue,
  684. rtlefuse->eeprom_thermalmeter, delta, delta_lck,
  685. delta_iqk);
  686. if (delta_lck > 1) {
  687. rtlpriv->dm.thermalvalue_lck = thermalvalue;
  688. rtl92c_phy_lc_calibrate(hw);
  689. }
  690. if (delta > 0 && rtlpriv->dm.txpower_track_control) {
  691. if (thermalvalue > rtlpriv->dm.thermalvalue) {
  692. for (i = 0; i < rf; i++)
  693. rtlpriv->dm.ofdm_index[i] -= delta;
  694. rtlpriv->dm.cck_index -= delta;
  695. } else {
  696. for (i = 0; i < rf; i++)
  697. rtlpriv->dm.ofdm_index[i] += delta;
  698. rtlpriv->dm.cck_index += delta;
  699. }
  700. if (is2t) {
  701. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  702. "temp OFDM_A_index=0x%x, OFDM_B_index=0x%x, cck_index=0x%x\n",
  703. rtlpriv->dm.ofdm_index[0],
  704. rtlpriv->dm.ofdm_index[1],
  705. rtlpriv->dm.cck_index);
  706. } else {
  707. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  708. "temp OFDM_A_index=0x%x, cck_index=0x%x\n",
  709. rtlpriv->dm.ofdm_index[0],
  710. rtlpriv->dm.cck_index);
  711. }
  712. if (thermalvalue > rtlefuse->eeprom_thermalmeter) {
  713. for (i = 0; i < rf; i++)
  714. ofdm_index[i] =
  715. rtlpriv->dm.ofdm_index[i]
  716. + 1;
  717. cck_index = rtlpriv->dm.cck_index + 1;
  718. } else {
  719. for (i = 0; i < rf; i++)
  720. ofdm_index[i] =
  721. rtlpriv->dm.ofdm_index[i];
  722. cck_index = rtlpriv->dm.cck_index;
  723. }
  724. for (i = 0; i < rf; i++) {
  725. if (txpwr_level[i] >= 0 &&
  726. txpwr_level[i] <= 26) {
  727. if (thermalvalue >
  728. rtlefuse->eeprom_thermalmeter) {
  729. if (delta < 5)
  730. ofdm_index[i] -= 1;
  731. else
  732. ofdm_index[i] -= 2;
  733. } else if (delta > 5 && thermalvalue <
  734. rtlefuse->
  735. eeprom_thermalmeter) {
  736. ofdm_index[i] += 1;
  737. }
  738. } else if (txpwr_level[i] >= 27 &&
  739. txpwr_level[i] <= 32
  740. && thermalvalue >
  741. rtlefuse->eeprom_thermalmeter) {
  742. if (delta < 5)
  743. ofdm_index[i] -= 1;
  744. else
  745. ofdm_index[i] -= 2;
  746. } else if (txpwr_level[i] >= 32 &&
  747. txpwr_level[i] <= 38 &&
  748. thermalvalue >
  749. rtlefuse->eeprom_thermalmeter
  750. && delta > 5) {
  751. ofdm_index[i] -= 1;
  752. }
  753. }
  754. if (txpwr_level[i] >= 0 && txpwr_level[i] <= 26) {
  755. if (thermalvalue >
  756. rtlefuse->eeprom_thermalmeter) {
  757. if (delta < 5)
  758. cck_index -= 1;
  759. else
  760. cck_index -= 2;
  761. } else if (delta > 5 && thermalvalue <
  762. rtlefuse->eeprom_thermalmeter) {
  763. cck_index += 1;
  764. }
  765. } else if (txpwr_level[i] >= 27 &&
  766. txpwr_level[i] <= 32 &&
  767. thermalvalue >
  768. rtlefuse->eeprom_thermalmeter) {
  769. if (delta < 5)
  770. cck_index -= 1;
  771. else
  772. cck_index -= 2;
  773. } else if (txpwr_level[i] >= 32 &&
  774. txpwr_level[i] <= 38 &&
  775. thermalvalue > rtlefuse->eeprom_thermalmeter
  776. && delta > 5) {
  777. cck_index -= 1;
  778. }
  779. for (i = 0; i < rf; i++) {
  780. if (ofdm_index[i] > OFDM_TABLE_SIZE - 1)
  781. ofdm_index[i] = OFDM_TABLE_SIZE - 1;
  782. else if (ofdm_index[i] < ofdm_min_index)
  783. ofdm_index[i] = ofdm_min_index;
  784. }
  785. if (cck_index > CCK_TABLE_SIZE - 1)
  786. cck_index = CCK_TABLE_SIZE - 1;
  787. else if (cck_index < 0)
  788. cck_index = 0;
  789. if (is2t) {
  790. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  791. "new OFDM_A_index=0x%x, OFDM_B_index=0x%x, cck_index=0x%x\n",
  792. ofdm_index[0], ofdm_index[1],
  793. cck_index);
  794. } else {
  795. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  796. "new OFDM_A_index=0x%x, cck_index=0x%x\n",
  797. ofdm_index[0], cck_index);
  798. }
  799. }
  800. if (rtlpriv->dm.txpower_track_control && delta != 0) {
  801. ele_d =
  802. (ofdmswing_table[ofdm_index[0]] & 0xFFC00000) >> 22;
  803. val_x = rtlphy->reg_e94;
  804. val_y = rtlphy->reg_e9c;
  805. if (val_x != 0) {
  806. if ((val_x & 0x00000200) != 0)
  807. val_x = val_x | 0xFFFFFC00;
  808. ele_a = ((val_x * ele_d) >> 8) & 0x000003FF;
  809. if ((val_y & 0x00000200) != 0)
  810. val_y = val_y | 0xFFFFFC00;
  811. ele_c = ((val_y * ele_d) >> 8) & 0x000003FF;
  812. value32 = (ele_d << 22) |
  813. ((ele_c & 0x3F) << 16) | ele_a;
  814. rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
  815. MASKDWORD, value32);
  816. value32 = (ele_c & 0x000003C0) >> 6;
  817. rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
  818. value32);
  819. value32 = ((val_x * ele_d) >> 7) & 0x01;
  820. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  821. BIT(31), value32);
  822. value32 = ((val_y * ele_d) >> 7) & 0x01;
  823. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  824. BIT(29), value32);
  825. } else {
  826. rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
  827. MASKDWORD,
  828. ofdmswing_table[ofdm_index[0]]);
  829. rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
  830. 0x00);
  831. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  832. BIT(31) | BIT(29), 0x00);
  833. }
  834. if (!rtlpriv->dm.cck_inch14) {
  835. rtl_write_byte(rtlpriv, 0xa22,
  836. cckswing_table_ch1ch13[cck_index]
  837. [0]);
  838. rtl_write_byte(rtlpriv, 0xa23,
  839. cckswing_table_ch1ch13[cck_index]
  840. [1]);
  841. rtl_write_byte(rtlpriv, 0xa24,
  842. cckswing_table_ch1ch13[cck_index]
  843. [2]);
  844. rtl_write_byte(rtlpriv, 0xa25,
  845. cckswing_table_ch1ch13[cck_index]
  846. [3]);
  847. rtl_write_byte(rtlpriv, 0xa26,
  848. cckswing_table_ch1ch13[cck_index]
  849. [4]);
  850. rtl_write_byte(rtlpriv, 0xa27,
  851. cckswing_table_ch1ch13[cck_index]
  852. [5]);
  853. rtl_write_byte(rtlpriv, 0xa28,
  854. cckswing_table_ch1ch13[cck_index]
  855. [6]);
  856. rtl_write_byte(rtlpriv, 0xa29,
  857. cckswing_table_ch1ch13[cck_index]
  858. [7]);
  859. } else {
  860. rtl_write_byte(rtlpriv, 0xa22,
  861. cckswing_table_ch14[cck_index]
  862. [0]);
  863. rtl_write_byte(rtlpriv, 0xa23,
  864. cckswing_table_ch14[cck_index]
  865. [1]);
  866. rtl_write_byte(rtlpriv, 0xa24,
  867. cckswing_table_ch14[cck_index]
  868. [2]);
  869. rtl_write_byte(rtlpriv, 0xa25,
  870. cckswing_table_ch14[cck_index]
  871. [3]);
  872. rtl_write_byte(rtlpriv, 0xa26,
  873. cckswing_table_ch14[cck_index]
  874. [4]);
  875. rtl_write_byte(rtlpriv, 0xa27,
  876. cckswing_table_ch14[cck_index]
  877. [5]);
  878. rtl_write_byte(rtlpriv, 0xa28,
  879. cckswing_table_ch14[cck_index]
  880. [6]);
  881. rtl_write_byte(rtlpriv, 0xa29,
  882. cckswing_table_ch14[cck_index]
  883. [7]);
  884. }
  885. if (is2t) {
  886. ele_d = (ofdmswing_table[ofdm_index[1]] &
  887. 0xFFC00000) >> 22;
  888. val_x = rtlphy->reg_eb4;
  889. val_y = rtlphy->reg_ebc;
  890. if (val_x != 0) {
  891. if ((val_x & 0x00000200) != 0)
  892. val_x = val_x | 0xFFFFFC00;
  893. ele_a = ((val_x * ele_d) >> 8) &
  894. 0x000003FF;
  895. if ((val_y & 0x00000200) != 0)
  896. val_y = val_y | 0xFFFFFC00;
  897. ele_c = ((val_y * ele_d) >> 8) &
  898. 0x00003FF;
  899. value32 = (ele_d << 22) |
  900. ((ele_c & 0x3F) << 16) | ele_a;
  901. rtl_set_bbreg(hw,
  902. ROFDM0_XBTXIQIMBALANCE,
  903. MASKDWORD, value32);
  904. value32 = (ele_c & 0x000003C0) >> 6;
  905. rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
  906. MASKH4BITS, value32);
  907. value32 = ((val_x * ele_d) >> 7) & 0x01;
  908. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  909. BIT(27), value32);
  910. value32 = ((val_y * ele_d) >> 7) & 0x01;
  911. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  912. BIT(25), value32);
  913. } else {
  914. rtl_set_bbreg(hw,
  915. ROFDM0_XBTXIQIMBALANCE,
  916. MASKDWORD,
  917. ofdmswing_table[ofdm_index
  918. [1]]);
  919. rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
  920. MASKH4BITS, 0x00);
  921. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  922. BIT(27) | BIT(25), 0x00);
  923. }
  924. }
  925. }
  926. if (delta_iqk > 3) {
  927. rtlpriv->dm.thermalvalue_iqk = thermalvalue;
  928. rtl92c_phy_iq_calibrate(hw, false);
  929. }
  930. if (rtlpriv->dm.txpower_track_control)
  931. rtlpriv->dm.thermalvalue = thermalvalue;
  932. }
  933. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, "<===\n");
  934. }
  935. static void rtl92c_dm_initialize_txpower_tracking_thermalmeter(
  936. struct ieee80211_hw *hw)
  937. {
  938. struct rtl_priv *rtlpriv = rtl_priv(hw);
  939. rtlpriv->dm.txpower_tracking = true;
  940. rtlpriv->dm.txpower_trackinginit = false;
  941. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  942. "pMgntInfo->txpower_tracking = %d\n",
  943. rtlpriv->dm.txpower_tracking);
  944. }
  945. static void rtl92c_dm_initialize_txpower_tracking(struct ieee80211_hw *hw)
  946. {
  947. rtl92c_dm_initialize_txpower_tracking_thermalmeter(hw);
  948. }
  949. static void rtl92c_dm_txpower_tracking_directcall(struct ieee80211_hw *hw)
  950. {
  951. rtl92c_dm_txpower_tracking_callback_thermalmeter(hw);
  952. }
  953. static void rtl92c_dm_check_txpower_tracking_thermal_meter(
  954. struct ieee80211_hw *hw)
  955. {
  956. struct rtl_priv *rtlpriv = rtl_priv(hw);
  957. static u8 tm_trigger;
  958. if (!rtlpriv->dm.txpower_tracking)
  959. return;
  960. if (!tm_trigger) {
  961. rtl_set_rfreg(hw, RF90_PATH_A, RF_T_METER, RFREG_OFFSET_MASK,
  962. 0x60);
  963. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  964. "Trigger 92S Thermal Meter!!\n");
  965. tm_trigger = 1;
  966. return;
  967. } else {
  968. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  969. "Schedule TxPowerTracking direct call!!\n");
  970. rtl92c_dm_txpower_tracking_directcall(hw);
  971. tm_trigger = 0;
  972. }
  973. }
  974. void rtl92c_dm_check_txpower_tracking(struct ieee80211_hw *hw)
  975. {
  976. rtl92c_dm_check_txpower_tracking_thermal_meter(hw);
  977. }
  978. EXPORT_SYMBOL(rtl92c_dm_check_txpower_tracking);
  979. void rtl92c_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw)
  980. {
  981. struct rtl_priv *rtlpriv = rtl_priv(hw);
  982. struct rate_adaptive *p_ra = &(rtlpriv->ra);
  983. p_ra->ratr_state = DM_RATR_STA_INIT;
  984. p_ra->pre_ratr_state = DM_RATR_STA_INIT;
  985. if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER)
  986. rtlpriv->dm.useramask = true;
  987. else
  988. rtlpriv->dm.useramask = false;
  989. }
  990. EXPORT_SYMBOL(rtl92c_dm_init_rate_adaptive_mask);
  991. static void rtl92c_dm_init_dynamic_bb_powersaving(struct ieee80211_hw *hw)
  992. {
  993. struct rtl_priv *rtlpriv = rtl_priv(hw);
  994. struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
  995. dm_pstable->pre_ccastate = CCA_MAX;
  996. dm_pstable->cur_ccasate = CCA_MAX;
  997. dm_pstable->pre_rfstate = RF_MAX;
  998. dm_pstable->cur_rfstate = RF_MAX;
  999. dm_pstable->rssi_val_min = 0;
  1000. }
  1001. void rtl92c_dm_rf_saving(struct ieee80211_hw *hw, u8 bforce_in_normal)
  1002. {
  1003. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1004. struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
  1005. static u8 initialize;
  1006. static u32 reg_874, reg_c70, reg_85c, reg_a74;
  1007. if (initialize == 0) {
  1008. reg_874 = (rtl_get_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
  1009. MASKDWORD) & 0x1CC000) >> 14;
  1010. reg_c70 = (rtl_get_bbreg(hw, ROFDM0_AGCPARAMETER1,
  1011. MASKDWORD) & BIT(3)) >> 3;
  1012. reg_85c = (rtl_get_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
  1013. MASKDWORD) & 0xFF000000) >> 24;
  1014. reg_a74 = (rtl_get_bbreg(hw, 0xa74, MASKDWORD) & 0xF000) >> 12;
  1015. initialize = 1;
  1016. }
  1017. if (!bforce_in_normal) {
  1018. if (dm_pstable->rssi_val_min != 0) {
  1019. if (dm_pstable->pre_rfstate == RF_NORMAL) {
  1020. if (dm_pstable->rssi_val_min >= 30)
  1021. dm_pstable->cur_rfstate = RF_SAVE;
  1022. else
  1023. dm_pstable->cur_rfstate = RF_NORMAL;
  1024. } else {
  1025. if (dm_pstable->rssi_val_min <= 25)
  1026. dm_pstable->cur_rfstate = RF_NORMAL;
  1027. else
  1028. dm_pstable->cur_rfstate = RF_SAVE;
  1029. }
  1030. } else {
  1031. dm_pstable->cur_rfstate = RF_MAX;
  1032. }
  1033. } else {
  1034. dm_pstable->cur_rfstate = RF_NORMAL;
  1035. }
  1036. if (dm_pstable->pre_rfstate != dm_pstable->cur_rfstate) {
  1037. if (dm_pstable->cur_rfstate == RF_SAVE) {
  1038. rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
  1039. 0x1C0000, 0x2);
  1040. rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3), 0);
  1041. rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
  1042. 0xFF000000, 0x63);
  1043. rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
  1044. 0xC000, 0x2);
  1045. rtl_set_bbreg(hw, 0xa74, 0xF000, 0x3);
  1046. rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
  1047. rtl_set_bbreg(hw, 0x818, BIT(28), 0x1);
  1048. } else {
  1049. rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
  1050. 0x1CC000, reg_874);
  1051. rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3),
  1052. reg_c70);
  1053. rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL, 0xFF000000,
  1054. reg_85c);
  1055. rtl_set_bbreg(hw, 0xa74, 0xF000, reg_a74);
  1056. rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
  1057. }
  1058. dm_pstable->pre_rfstate = dm_pstable->cur_rfstate;
  1059. }
  1060. }
  1061. EXPORT_SYMBOL(rtl92c_dm_rf_saving);
  1062. static void rtl92c_dm_dynamic_bb_powersaving(struct ieee80211_hw *hw)
  1063. {
  1064. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1065. struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
  1066. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  1067. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  1068. if (((mac->link_state == MAC80211_NOLINK)) &&
  1069. (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
  1070. dm_pstable->rssi_val_min = 0;
  1071. RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD, "Not connected to any\n");
  1072. }
  1073. if (mac->link_state == MAC80211_LINKED) {
  1074. if (mac->opmode == NL80211_IFTYPE_ADHOC) {
  1075. dm_pstable->rssi_val_min =
  1076. rtlpriv->dm.entry_min_undec_sm_pwdb;
  1077. RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
  1078. "AP Client PWDB = 0x%lx\n",
  1079. dm_pstable->rssi_val_min);
  1080. } else {
  1081. dm_pstable->rssi_val_min = rtlpriv->dm.undec_sm_pwdb;
  1082. RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
  1083. "STA Default Port PWDB = 0x%lx\n",
  1084. dm_pstable->rssi_val_min);
  1085. }
  1086. } else {
  1087. dm_pstable->rssi_val_min =
  1088. rtlpriv->dm.entry_min_undec_sm_pwdb;
  1089. RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
  1090. "AP Ext Port PWDB = 0x%lx\n",
  1091. dm_pstable->rssi_val_min);
  1092. }
  1093. if (IS_92C_SERIAL(rtlhal->version))
  1094. ;/* rtl92c_dm_1r_cca(hw); */
  1095. else
  1096. rtl92c_dm_rf_saving(hw, false);
  1097. }
  1098. void rtl92c_dm_init(struct ieee80211_hw *hw)
  1099. {
  1100. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1101. rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
  1102. rtl92c_dm_diginit(hw);
  1103. rtl92c_dm_init_dynamic_txpower(hw);
  1104. rtl92c_dm_init_edca_turbo(hw);
  1105. rtl92c_dm_init_rate_adaptive_mask(hw);
  1106. rtl92c_dm_initialize_txpower_tracking(hw);
  1107. rtl92c_dm_init_dynamic_bb_powersaving(hw);
  1108. }
  1109. EXPORT_SYMBOL(rtl92c_dm_init);
  1110. void rtl92c_dm_dynamic_txpower(struct ieee80211_hw *hw)
  1111. {
  1112. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1113. struct rtl_phy *rtlphy = &(rtlpriv->phy);
  1114. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  1115. long undec_sm_pwdb;
  1116. if (!rtlpriv->dm.dynamic_txpower_enable)
  1117. return;
  1118. if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
  1119. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
  1120. return;
  1121. }
  1122. if ((mac->link_state < MAC80211_LINKED) &&
  1123. (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
  1124. RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
  1125. "Not connected to any\n");
  1126. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
  1127. rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
  1128. return;
  1129. }
  1130. if (mac->link_state >= MAC80211_LINKED) {
  1131. if (mac->opmode == NL80211_IFTYPE_ADHOC) {
  1132. undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
  1133. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1134. "AP Client PWDB = 0x%lx\n",
  1135. undec_sm_pwdb);
  1136. } else {
  1137. undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
  1138. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1139. "STA Default Port PWDB = 0x%lx\n",
  1140. undec_sm_pwdb);
  1141. }
  1142. } else {
  1143. undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
  1144. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1145. "AP Ext Port PWDB = 0x%lx\n",
  1146. undec_sm_pwdb);
  1147. }
  1148. if (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
  1149. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
  1150. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1151. "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n");
  1152. } else if ((undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
  1153. (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL1)) {
  1154. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
  1155. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1156. "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n");
  1157. } else if (undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) {
  1158. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
  1159. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1160. "TXHIGHPWRLEVEL_NORMAL\n");
  1161. }
  1162. if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
  1163. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1164. "PHY_SetTxPowerLevel8192S() Channel = %d\n",
  1165. rtlphy->current_channel);
  1166. rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel);
  1167. }
  1168. rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
  1169. }
  1170. void rtl92c_dm_watchdog(struct ieee80211_hw *hw)
  1171. {
  1172. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1173. struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
  1174. bool fw_current_inpsmode = false;
  1175. bool fw_ps_awake = true;
  1176. rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS,
  1177. (u8 *) (&fw_current_inpsmode));
  1178. rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FWLPS_RF_ON,
  1179. (u8 *) (&fw_ps_awake));
  1180. if (ppsc->p2p_ps_info.p2p_ps_mode)
  1181. fw_ps_awake = false;
  1182. if ((ppsc->rfpwr_state == ERFON) && ((!fw_current_inpsmode) &&
  1183. fw_ps_awake)
  1184. && (!ppsc->rfchange_inprogress)) {
  1185. rtl92c_dm_pwdb_monitor(hw);
  1186. rtl92c_dm_dig(hw);
  1187. rtl92c_dm_false_alarm_counter_statistics(hw);
  1188. rtl92c_dm_dynamic_bb_powersaving(hw);
  1189. rtl92c_dm_dynamic_txpower(hw);
  1190. rtl92c_dm_check_txpower_tracking(hw);
  1191. /* rtl92c_dm_refresh_rate_adaptive_mask(hw); */
  1192. rtl92c_dm_bt_coexist(hw);
  1193. rtl92c_dm_check_edca_turbo(hw);
  1194. }
  1195. }
  1196. EXPORT_SYMBOL(rtl92c_dm_watchdog);
  1197. u8 rtl92c_bt_rssi_state_change(struct ieee80211_hw *hw)
  1198. {
  1199. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1200. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1201. long undec_sm_pwdb;
  1202. u8 curr_bt_rssi_state = 0x00;
  1203. if (rtlpriv->mac80211.link_state == MAC80211_LINKED) {
  1204. undec_sm_pwdb = GET_UNDECORATED_AVERAGE_RSSI(rtlpriv);
  1205. } else {
  1206. if (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)
  1207. undec_sm_pwdb = 100;
  1208. else
  1209. undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
  1210. }
  1211. /* Check RSSI to determine HighPower/NormalPower state for
  1212. * BT coexistence. */
  1213. if (undec_sm_pwdb >= 67)
  1214. curr_bt_rssi_state &= (~BT_RSSI_STATE_NORMAL_POWER);
  1215. else if (undec_sm_pwdb < 62)
  1216. curr_bt_rssi_state |= BT_RSSI_STATE_NORMAL_POWER;
  1217. /* Check RSSI to determine AMPDU setting for BT coexistence. */
  1218. if (undec_sm_pwdb >= 40)
  1219. curr_bt_rssi_state &= (~BT_RSSI_STATE_AMDPU_OFF);
  1220. else if (undec_sm_pwdb <= 32)
  1221. curr_bt_rssi_state |= BT_RSSI_STATE_AMDPU_OFF;
  1222. /* Marked RSSI state. It will be used to determine BT coexistence
  1223. * setting later. */
  1224. if (undec_sm_pwdb < 35)
  1225. curr_bt_rssi_state |= BT_RSSI_STATE_SPECIAL_LOW;
  1226. else
  1227. curr_bt_rssi_state &= (~BT_RSSI_STATE_SPECIAL_LOW);
  1228. /* Set Tx Power according to BT status. */
  1229. if (undec_sm_pwdb >= 30)
  1230. curr_bt_rssi_state |= BT_RSSI_STATE_TXPOWER_LOW;
  1231. else if (undec_sm_pwdb < 25)
  1232. curr_bt_rssi_state &= (~BT_RSSI_STATE_TXPOWER_LOW);
  1233. /* Check BT state related to BT_Idle in B/G mode. */
  1234. if (undec_sm_pwdb < 15)
  1235. curr_bt_rssi_state |= BT_RSSI_STATE_BG_EDCA_LOW;
  1236. else
  1237. curr_bt_rssi_state &= (~BT_RSSI_STATE_BG_EDCA_LOW);
  1238. if (curr_bt_rssi_state != rtlpcipriv->bt_coexist.bt_rssi_state) {
  1239. rtlpcipriv->bt_coexist.bt_rssi_state = curr_bt_rssi_state;
  1240. return true;
  1241. } else {
  1242. return false;
  1243. }
  1244. }
  1245. EXPORT_SYMBOL(rtl92c_bt_rssi_state_change);
  1246. static bool rtl92c_bt_state_change(struct ieee80211_hw *hw)
  1247. {
  1248. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1249. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1250. u32 polling, ratio_tx, ratio_pri;
  1251. u32 bt_tx, bt_pri;
  1252. u8 bt_state;
  1253. u8 cur_service_type;
  1254. if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
  1255. return false;
  1256. bt_state = rtl_read_byte(rtlpriv, 0x4fd);
  1257. bt_tx = rtl_read_dword(rtlpriv, 0x488);
  1258. bt_tx = bt_tx & 0x00ffffff;
  1259. bt_pri = rtl_read_dword(rtlpriv, 0x48c);
  1260. bt_pri = bt_pri & 0x00ffffff;
  1261. polling = rtl_read_dword(rtlpriv, 0x490);
  1262. if (bt_tx == 0xffffffff && bt_pri == 0xffffffff &&
  1263. polling == 0xffffffff && bt_state == 0xff)
  1264. return false;
  1265. bt_state &= BIT_OFFSET_LEN_MASK_32(0, 1);
  1266. if (bt_state != rtlpcipriv->bt_coexist.bt_cur_state) {
  1267. rtlpcipriv->bt_coexist.bt_cur_state = bt_state;
  1268. if (rtlpcipriv->bt_coexist.reg_bt_sco == 3) {
  1269. rtlpcipriv->bt_coexist.bt_service = BT_IDLE;
  1270. bt_state = bt_state |
  1271. ((rtlpcipriv->bt_coexist.bt_ant_isolation == 1) ?
  1272. 0 : BIT_OFFSET_LEN_MASK_32(1, 1)) |
  1273. BIT_OFFSET_LEN_MASK_32(2, 1);
  1274. rtl_write_byte(rtlpriv, 0x4fd, bt_state);
  1275. }
  1276. return true;
  1277. }
  1278. ratio_tx = bt_tx * 1000 / polling;
  1279. ratio_pri = bt_pri * 1000 / polling;
  1280. rtlpcipriv->bt_coexist.ratio_tx = ratio_tx;
  1281. rtlpcipriv->bt_coexist.ratio_pri = ratio_pri;
  1282. if (bt_state && rtlpcipriv->bt_coexist.reg_bt_sco == 3) {
  1283. if ((ratio_tx < 30) && (ratio_pri < 30))
  1284. cur_service_type = BT_IDLE;
  1285. else if ((ratio_pri > 110) && (ratio_pri < 250))
  1286. cur_service_type = BT_SCO;
  1287. else if ((ratio_tx >= 200) && (ratio_pri >= 200))
  1288. cur_service_type = BT_BUSY;
  1289. else if ((ratio_tx >= 350) && (ratio_tx < 500))
  1290. cur_service_type = BT_OTHERBUSY;
  1291. else if (ratio_tx >= 500)
  1292. cur_service_type = BT_PAN;
  1293. else
  1294. cur_service_type = BT_OTHER_ACTION;
  1295. if (cur_service_type != rtlpcipriv->bt_coexist.bt_service) {
  1296. rtlpcipriv->bt_coexist.bt_service = cur_service_type;
  1297. bt_state = bt_state |
  1298. ((rtlpcipriv->bt_coexist.bt_ant_isolation == 1) ?
  1299. 0 : BIT_OFFSET_LEN_MASK_32(1, 1)) |
  1300. ((rtlpcipriv->bt_coexist.bt_service != BT_IDLE) ?
  1301. 0 : BIT_OFFSET_LEN_MASK_32(2, 1));
  1302. /* Add interrupt migration when bt is not ini
  1303. * idle state (no traffic). */
  1304. if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
  1305. rtl_write_word(rtlpriv, 0x504, 0x0ccc);
  1306. rtl_write_byte(rtlpriv, 0x506, 0x54);
  1307. rtl_write_byte(rtlpriv, 0x507, 0x54);
  1308. } else {
  1309. rtl_write_byte(rtlpriv, 0x506, 0x00);
  1310. rtl_write_byte(rtlpriv, 0x507, 0x00);
  1311. }
  1312. rtl_write_byte(rtlpriv, 0x4fd, bt_state);
  1313. return true;
  1314. }
  1315. }
  1316. return false;
  1317. }
  1318. static bool rtl92c_bt_wifi_connect_change(struct ieee80211_hw *hw)
  1319. {
  1320. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1321. static bool media_connect;
  1322. if (rtlpriv->mac80211.link_state < MAC80211_LINKED) {
  1323. media_connect = false;
  1324. } else {
  1325. if (!media_connect) {
  1326. media_connect = true;
  1327. return true;
  1328. }
  1329. media_connect = true;
  1330. }
  1331. return false;
  1332. }
  1333. static void rtl92c_bt_set_normal(struct ieee80211_hw *hw)
  1334. {
  1335. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1336. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1337. if (rtlpcipriv->bt_coexist.bt_service == BT_OTHERBUSY) {
  1338. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea72b;
  1339. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea72b;
  1340. } else if (rtlpcipriv->bt_coexist.bt_service == BT_BUSY) {
  1341. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5eb82f;
  1342. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5eb82f;
  1343. } else if (rtlpcipriv->bt_coexist.bt_service == BT_SCO) {
  1344. if (rtlpcipriv->bt_coexist.ratio_tx > 160) {
  1345. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea72f;
  1346. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea72f;
  1347. } else {
  1348. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea32b;
  1349. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea42b;
  1350. }
  1351. } else {
  1352. rtlpcipriv->bt_coexist.bt_edca_ul = 0;
  1353. rtlpcipriv->bt_coexist.bt_edca_dl = 0;
  1354. }
  1355. if ((rtlpcipriv->bt_coexist.bt_service != BT_IDLE) &&
  1356. (rtlpriv->mac80211.mode == WIRELESS_MODE_G ||
  1357. (rtlpriv->mac80211.mode == (WIRELESS_MODE_G | WIRELESS_MODE_B))) &&
  1358. (rtlpcipriv->bt_coexist.bt_rssi_state &
  1359. BT_RSSI_STATE_BG_EDCA_LOW)) {
  1360. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5eb82b;
  1361. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5eb82b;
  1362. }
  1363. }
  1364. static void rtl92c_bt_ant_isolation(struct ieee80211_hw *hw, u8 tmp1byte)
  1365. {
  1366. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1367. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1368. /* Only enable HW BT coexist when BT in "Busy" state. */
  1369. if (rtlpriv->mac80211.vendor == PEER_CISCO &&
  1370. rtlpcipriv->bt_coexist.bt_service == BT_OTHER_ACTION) {
  1371. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
  1372. } else {
  1373. if ((rtlpcipriv->bt_coexist.bt_service == BT_BUSY) &&
  1374. (rtlpcipriv->bt_coexist.bt_rssi_state &
  1375. BT_RSSI_STATE_NORMAL_POWER)) {
  1376. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
  1377. } else if ((rtlpcipriv->bt_coexist.bt_service ==
  1378. BT_OTHER_ACTION) && (rtlpriv->mac80211.mode <
  1379. WIRELESS_MODE_N_24G) &&
  1380. (rtlpcipriv->bt_coexist.bt_rssi_state &
  1381. BT_RSSI_STATE_SPECIAL_LOW)) {
  1382. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
  1383. } else if (rtlpcipriv->bt_coexist.bt_service == BT_PAN) {
  1384. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte);
  1385. } else {
  1386. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte);
  1387. }
  1388. }
  1389. if (rtlpcipriv->bt_coexist.bt_service == BT_PAN)
  1390. rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x10100);
  1391. else
  1392. rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x0);
  1393. if (rtlpcipriv->bt_coexist.bt_rssi_state &
  1394. BT_RSSI_STATE_NORMAL_POWER) {
  1395. rtl92c_bt_set_normal(hw);
  1396. } else {
  1397. rtlpcipriv->bt_coexist.bt_edca_ul = 0;
  1398. rtlpcipriv->bt_coexist.bt_edca_dl = 0;
  1399. }
  1400. if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
  1401. rtlpriv->cfg->ops->set_rfreg(hw,
  1402. RF90_PATH_A,
  1403. 0x1e,
  1404. 0xf0, 0xf);
  1405. } else {
  1406. rtlpriv->cfg->ops->set_rfreg(hw,
  1407. RF90_PATH_A, 0x1e, 0xf0,
  1408. rtlpcipriv->bt_coexist.bt_rfreg_origin_1e);
  1409. }
  1410. if (!rtlpriv->dm.dynamic_txpower_enable) {
  1411. if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
  1412. if (rtlpcipriv->bt_coexist.bt_rssi_state &
  1413. BT_RSSI_STATE_TXPOWER_LOW) {
  1414. rtlpriv->dm.dynamic_txhighpower_lvl =
  1415. TXHIGHPWRLEVEL_BT2;
  1416. } else {
  1417. rtlpriv->dm.dynamic_txhighpower_lvl =
  1418. TXHIGHPWRLEVEL_BT1;
  1419. }
  1420. } else {
  1421. rtlpriv->dm.dynamic_txhighpower_lvl =
  1422. TXHIGHPWRLEVEL_NORMAL;
  1423. }
  1424. rtl92c_phy_set_txpower_level(hw,
  1425. rtlpriv->phy.current_channel);
  1426. }
  1427. }
  1428. static void rtl92c_check_bt_change(struct ieee80211_hw *hw)
  1429. {
  1430. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1431. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1432. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  1433. u8 tmp1byte = 0;
  1434. if (IS_81xxC_VENDOR_UMC_B_CUT(rtlhal->version) &&
  1435. rtlpcipriv->bt_coexist.bt_coexistence)
  1436. tmp1byte |= BIT(5);
  1437. if (rtlpcipriv->bt_coexist.bt_cur_state) {
  1438. if (rtlpcipriv->bt_coexist.bt_ant_isolation)
  1439. rtl92c_bt_ant_isolation(hw, tmp1byte);
  1440. } else {
  1441. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte);
  1442. rtlpriv->cfg->ops->set_rfreg(hw, RF90_PATH_A, 0x1e, 0xf0,
  1443. rtlpcipriv->bt_coexist.bt_rfreg_origin_1e);
  1444. rtlpcipriv->bt_coexist.bt_edca_ul = 0;
  1445. rtlpcipriv->bt_coexist.bt_edca_dl = 0;
  1446. }
  1447. }
  1448. void rtl92c_dm_bt_coexist(struct ieee80211_hw *hw)
  1449. {
  1450. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1451. bool wifi_connect_change;
  1452. bool bt_state_change;
  1453. bool rssi_state_change;
  1454. if ((rtlpcipriv->bt_coexist.bt_coexistence) &&
  1455. (rtlpcipriv->bt_coexist.bt_coexist_type == BT_CSR_BC4)) {
  1456. wifi_connect_change = rtl92c_bt_wifi_connect_change(hw);
  1457. bt_state_change = rtl92c_bt_state_change(hw);
  1458. rssi_state_change = rtl92c_bt_rssi_state_change(hw);
  1459. if (wifi_connect_change || bt_state_change || rssi_state_change)
  1460. rtl92c_check_bt_change(hw);
  1461. }
  1462. }
  1463. EXPORT_SYMBOL(rtl92c_dm_bt_coexist);