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] = {0, 0}, 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. ofdm_index_old[1] = (u8) i;
  623. RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
  624. DBG_LOUD,
  625. "Initial pathB ele_d reg0x%x = 0x%lx, ofdm_index=0x%x\n",
  626. ROFDM0_XBTXIQIMBALANCE, ele_d,
  627. ofdm_index_old[1]);
  628. break;
  629. }
  630. }
  631. }
  632. temp_cck =
  633. rtl_get_bbreg(hw, RCCK0_TXFILTER2, MASKDWORD) & MASKCCK;
  634. for (i = 0; i < CCK_TABLE_LENGTH; i++) {
  635. if (rtlpriv->dm.cck_inch14) {
  636. if (memcmp((void *)&temp_cck,
  637. (void *)&cckswing_table_ch14[i][2],
  638. 4) == 0) {
  639. cck_index_old = (u8) i;
  640. RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
  641. DBG_LOUD,
  642. "Initial reg0x%x = 0x%lx, cck_index=0x%x, ch 14 %d\n",
  643. RCCK0_TXFILTER2, temp_cck,
  644. cck_index_old,
  645. rtlpriv->dm.cck_inch14);
  646. break;
  647. }
  648. } else {
  649. if (memcmp((void *)&temp_cck,
  650. (void *)
  651. &cckswing_table_ch1ch13[i][2],
  652. 4) == 0) {
  653. cck_index_old = (u8) i;
  654. RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
  655. DBG_LOUD,
  656. "Initial reg0x%x = 0x%lx, cck_index=0x%x, ch14 %d\n",
  657. RCCK0_TXFILTER2, temp_cck,
  658. cck_index_old,
  659. rtlpriv->dm.cck_inch14);
  660. break;
  661. }
  662. }
  663. }
  664. if (!rtlpriv->dm.thermalvalue) {
  665. rtlpriv->dm.thermalvalue =
  666. rtlefuse->eeprom_thermalmeter;
  667. rtlpriv->dm.thermalvalue_lck = thermalvalue;
  668. rtlpriv->dm.thermalvalue_iqk = thermalvalue;
  669. for (i = 0; i < rf; i++)
  670. rtlpriv->dm.ofdm_index[i] = ofdm_index_old[i];
  671. rtlpriv->dm.cck_index = cck_index_old;
  672. }
  673. delta = (thermalvalue > rtlpriv->dm.thermalvalue) ?
  674. (thermalvalue - rtlpriv->dm.thermalvalue) :
  675. (rtlpriv->dm.thermalvalue - thermalvalue);
  676. delta_lck = (thermalvalue > rtlpriv->dm.thermalvalue_lck) ?
  677. (thermalvalue - rtlpriv->dm.thermalvalue_lck) :
  678. (rtlpriv->dm.thermalvalue_lck - thermalvalue);
  679. delta_iqk = (thermalvalue > rtlpriv->dm.thermalvalue_iqk) ?
  680. (thermalvalue - rtlpriv->dm.thermalvalue_iqk) :
  681. (rtlpriv->dm.thermalvalue_iqk - thermalvalue);
  682. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  683. "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",
  684. thermalvalue, rtlpriv->dm.thermalvalue,
  685. rtlefuse->eeprom_thermalmeter, delta, delta_lck,
  686. delta_iqk);
  687. if (delta_lck > 1) {
  688. rtlpriv->dm.thermalvalue_lck = thermalvalue;
  689. rtl92c_phy_lc_calibrate(hw);
  690. }
  691. if (delta > 0 && rtlpriv->dm.txpower_track_control) {
  692. if (thermalvalue > rtlpriv->dm.thermalvalue) {
  693. for (i = 0; i < rf; i++)
  694. rtlpriv->dm.ofdm_index[i] -= delta;
  695. rtlpriv->dm.cck_index -= delta;
  696. } else {
  697. for (i = 0; i < rf; i++)
  698. rtlpriv->dm.ofdm_index[i] += delta;
  699. rtlpriv->dm.cck_index += delta;
  700. }
  701. if (is2t) {
  702. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  703. "temp OFDM_A_index=0x%x, OFDM_B_index=0x%x, cck_index=0x%x\n",
  704. rtlpriv->dm.ofdm_index[0],
  705. rtlpriv->dm.ofdm_index[1],
  706. rtlpriv->dm.cck_index);
  707. } else {
  708. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  709. "temp OFDM_A_index=0x%x, cck_index=0x%x\n",
  710. rtlpriv->dm.ofdm_index[0],
  711. rtlpriv->dm.cck_index);
  712. }
  713. if (thermalvalue > rtlefuse->eeprom_thermalmeter) {
  714. for (i = 0; i < rf; i++)
  715. ofdm_index[i] =
  716. rtlpriv->dm.ofdm_index[i]
  717. + 1;
  718. cck_index = rtlpriv->dm.cck_index + 1;
  719. } else {
  720. for (i = 0; i < rf; i++)
  721. ofdm_index[i] =
  722. rtlpriv->dm.ofdm_index[i];
  723. cck_index = rtlpriv->dm.cck_index;
  724. }
  725. for (i = 0; i < rf; i++) {
  726. if (txpwr_level[i] >= 0 &&
  727. txpwr_level[i] <= 26) {
  728. if (thermalvalue >
  729. rtlefuse->eeprom_thermalmeter) {
  730. if (delta < 5)
  731. ofdm_index[i] -= 1;
  732. else
  733. ofdm_index[i] -= 2;
  734. } else if (delta > 5 && thermalvalue <
  735. rtlefuse->
  736. eeprom_thermalmeter) {
  737. ofdm_index[i] += 1;
  738. }
  739. } else if (txpwr_level[i] >= 27 &&
  740. txpwr_level[i] <= 32
  741. && thermalvalue >
  742. rtlefuse->eeprom_thermalmeter) {
  743. if (delta < 5)
  744. ofdm_index[i] -= 1;
  745. else
  746. ofdm_index[i] -= 2;
  747. } else if (txpwr_level[i] >= 32 &&
  748. txpwr_level[i] <= 38 &&
  749. thermalvalue >
  750. rtlefuse->eeprom_thermalmeter
  751. && delta > 5) {
  752. ofdm_index[i] -= 1;
  753. }
  754. }
  755. if (txpwr_level[i] >= 0 && txpwr_level[i] <= 26) {
  756. if (thermalvalue >
  757. rtlefuse->eeprom_thermalmeter) {
  758. if (delta < 5)
  759. cck_index -= 1;
  760. else
  761. cck_index -= 2;
  762. } else if (delta > 5 && thermalvalue <
  763. rtlefuse->eeprom_thermalmeter) {
  764. cck_index += 1;
  765. }
  766. } else if (txpwr_level[i] >= 27 &&
  767. txpwr_level[i] <= 32 &&
  768. thermalvalue >
  769. rtlefuse->eeprom_thermalmeter) {
  770. if (delta < 5)
  771. cck_index -= 1;
  772. else
  773. cck_index -= 2;
  774. } else if (txpwr_level[i] >= 32 &&
  775. txpwr_level[i] <= 38 &&
  776. thermalvalue > rtlefuse->eeprom_thermalmeter
  777. && delta > 5) {
  778. cck_index -= 1;
  779. }
  780. for (i = 0; i < rf; i++) {
  781. if (ofdm_index[i] > OFDM_TABLE_SIZE - 1)
  782. ofdm_index[i] = OFDM_TABLE_SIZE - 1;
  783. else if (ofdm_index[i] < ofdm_min_index)
  784. ofdm_index[i] = ofdm_min_index;
  785. }
  786. if (cck_index > CCK_TABLE_SIZE - 1)
  787. cck_index = CCK_TABLE_SIZE - 1;
  788. else if (cck_index < 0)
  789. cck_index = 0;
  790. if (is2t) {
  791. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  792. "new OFDM_A_index=0x%x, OFDM_B_index=0x%x, cck_index=0x%x\n",
  793. ofdm_index[0], ofdm_index[1],
  794. cck_index);
  795. } else {
  796. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  797. "new OFDM_A_index=0x%x, cck_index=0x%x\n",
  798. ofdm_index[0], cck_index);
  799. }
  800. }
  801. if (rtlpriv->dm.txpower_track_control && delta != 0) {
  802. ele_d =
  803. (ofdmswing_table[ofdm_index[0]] & 0xFFC00000) >> 22;
  804. val_x = rtlphy->reg_e94;
  805. val_y = rtlphy->reg_e9c;
  806. if (val_x != 0) {
  807. if ((val_x & 0x00000200) != 0)
  808. val_x = val_x | 0xFFFFFC00;
  809. ele_a = ((val_x * ele_d) >> 8) & 0x000003FF;
  810. if ((val_y & 0x00000200) != 0)
  811. val_y = val_y | 0xFFFFFC00;
  812. ele_c = ((val_y * ele_d) >> 8) & 0x000003FF;
  813. value32 = (ele_d << 22) |
  814. ((ele_c & 0x3F) << 16) | ele_a;
  815. rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
  816. MASKDWORD, value32);
  817. value32 = (ele_c & 0x000003C0) >> 6;
  818. rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
  819. value32);
  820. value32 = ((val_x * ele_d) >> 7) & 0x01;
  821. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  822. BIT(31), value32);
  823. value32 = ((val_y * ele_d) >> 7) & 0x01;
  824. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  825. BIT(29), value32);
  826. } else {
  827. rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
  828. MASKDWORD,
  829. ofdmswing_table[ofdm_index[0]]);
  830. rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
  831. 0x00);
  832. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  833. BIT(31) | BIT(29), 0x00);
  834. }
  835. if (!rtlpriv->dm.cck_inch14) {
  836. rtl_write_byte(rtlpriv, 0xa22,
  837. cckswing_table_ch1ch13[cck_index]
  838. [0]);
  839. rtl_write_byte(rtlpriv, 0xa23,
  840. cckswing_table_ch1ch13[cck_index]
  841. [1]);
  842. rtl_write_byte(rtlpriv, 0xa24,
  843. cckswing_table_ch1ch13[cck_index]
  844. [2]);
  845. rtl_write_byte(rtlpriv, 0xa25,
  846. cckswing_table_ch1ch13[cck_index]
  847. [3]);
  848. rtl_write_byte(rtlpriv, 0xa26,
  849. cckswing_table_ch1ch13[cck_index]
  850. [4]);
  851. rtl_write_byte(rtlpriv, 0xa27,
  852. cckswing_table_ch1ch13[cck_index]
  853. [5]);
  854. rtl_write_byte(rtlpriv, 0xa28,
  855. cckswing_table_ch1ch13[cck_index]
  856. [6]);
  857. rtl_write_byte(rtlpriv, 0xa29,
  858. cckswing_table_ch1ch13[cck_index]
  859. [7]);
  860. } else {
  861. rtl_write_byte(rtlpriv, 0xa22,
  862. cckswing_table_ch14[cck_index]
  863. [0]);
  864. rtl_write_byte(rtlpriv, 0xa23,
  865. cckswing_table_ch14[cck_index]
  866. [1]);
  867. rtl_write_byte(rtlpriv, 0xa24,
  868. cckswing_table_ch14[cck_index]
  869. [2]);
  870. rtl_write_byte(rtlpriv, 0xa25,
  871. cckswing_table_ch14[cck_index]
  872. [3]);
  873. rtl_write_byte(rtlpriv, 0xa26,
  874. cckswing_table_ch14[cck_index]
  875. [4]);
  876. rtl_write_byte(rtlpriv, 0xa27,
  877. cckswing_table_ch14[cck_index]
  878. [5]);
  879. rtl_write_byte(rtlpriv, 0xa28,
  880. cckswing_table_ch14[cck_index]
  881. [6]);
  882. rtl_write_byte(rtlpriv, 0xa29,
  883. cckswing_table_ch14[cck_index]
  884. [7]);
  885. }
  886. if (is2t) {
  887. ele_d = (ofdmswing_table[ofdm_index[1]] &
  888. 0xFFC00000) >> 22;
  889. val_x = rtlphy->reg_eb4;
  890. val_y = rtlphy->reg_ebc;
  891. if (val_x != 0) {
  892. if ((val_x & 0x00000200) != 0)
  893. val_x = val_x | 0xFFFFFC00;
  894. ele_a = ((val_x * ele_d) >> 8) &
  895. 0x000003FF;
  896. if ((val_y & 0x00000200) != 0)
  897. val_y = val_y | 0xFFFFFC00;
  898. ele_c = ((val_y * ele_d) >> 8) &
  899. 0x00003FF;
  900. value32 = (ele_d << 22) |
  901. ((ele_c & 0x3F) << 16) | ele_a;
  902. rtl_set_bbreg(hw,
  903. ROFDM0_XBTXIQIMBALANCE,
  904. MASKDWORD, value32);
  905. value32 = (ele_c & 0x000003C0) >> 6;
  906. rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
  907. MASKH4BITS, value32);
  908. value32 = ((val_x * ele_d) >> 7) & 0x01;
  909. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  910. BIT(27), value32);
  911. value32 = ((val_y * ele_d) >> 7) & 0x01;
  912. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  913. BIT(25), value32);
  914. } else {
  915. rtl_set_bbreg(hw,
  916. ROFDM0_XBTXIQIMBALANCE,
  917. MASKDWORD,
  918. ofdmswing_table[ofdm_index
  919. [1]]);
  920. rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
  921. MASKH4BITS, 0x00);
  922. rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
  923. BIT(27) | BIT(25), 0x00);
  924. }
  925. }
  926. }
  927. if (delta_iqk > 3) {
  928. rtlpriv->dm.thermalvalue_iqk = thermalvalue;
  929. rtl92c_phy_iq_calibrate(hw, false);
  930. }
  931. if (rtlpriv->dm.txpower_track_control)
  932. rtlpriv->dm.thermalvalue = thermalvalue;
  933. }
  934. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, "<===\n");
  935. }
  936. static void rtl92c_dm_initialize_txpower_tracking_thermalmeter(
  937. struct ieee80211_hw *hw)
  938. {
  939. struct rtl_priv *rtlpriv = rtl_priv(hw);
  940. rtlpriv->dm.txpower_tracking = true;
  941. rtlpriv->dm.txpower_trackinginit = false;
  942. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  943. "pMgntInfo->txpower_tracking = %d\n",
  944. rtlpriv->dm.txpower_tracking);
  945. }
  946. static void rtl92c_dm_initialize_txpower_tracking(struct ieee80211_hw *hw)
  947. {
  948. rtl92c_dm_initialize_txpower_tracking_thermalmeter(hw);
  949. }
  950. static void rtl92c_dm_txpower_tracking_directcall(struct ieee80211_hw *hw)
  951. {
  952. rtl92c_dm_txpower_tracking_callback_thermalmeter(hw);
  953. }
  954. static void rtl92c_dm_check_txpower_tracking_thermal_meter(
  955. struct ieee80211_hw *hw)
  956. {
  957. struct rtl_priv *rtlpriv = rtl_priv(hw);
  958. static u8 tm_trigger;
  959. if (!rtlpriv->dm.txpower_tracking)
  960. return;
  961. if (!tm_trigger) {
  962. rtl_set_rfreg(hw, RF90_PATH_A, RF_T_METER, RFREG_OFFSET_MASK,
  963. 0x60);
  964. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  965. "Trigger 92S Thermal Meter!!\n");
  966. tm_trigger = 1;
  967. return;
  968. } else {
  969. RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
  970. "Schedule TxPowerTracking direct call!!\n");
  971. rtl92c_dm_txpower_tracking_directcall(hw);
  972. tm_trigger = 0;
  973. }
  974. }
  975. void rtl92c_dm_check_txpower_tracking(struct ieee80211_hw *hw)
  976. {
  977. rtl92c_dm_check_txpower_tracking_thermal_meter(hw);
  978. }
  979. EXPORT_SYMBOL(rtl92c_dm_check_txpower_tracking);
  980. void rtl92c_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw)
  981. {
  982. struct rtl_priv *rtlpriv = rtl_priv(hw);
  983. struct rate_adaptive *p_ra = &(rtlpriv->ra);
  984. p_ra->ratr_state = DM_RATR_STA_INIT;
  985. p_ra->pre_ratr_state = DM_RATR_STA_INIT;
  986. if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER)
  987. rtlpriv->dm.useramask = true;
  988. else
  989. rtlpriv->dm.useramask = false;
  990. }
  991. EXPORT_SYMBOL(rtl92c_dm_init_rate_adaptive_mask);
  992. static void rtl92c_dm_init_dynamic_bb_powersaving(struct ieee80211_hw *hw)
  993. {
  994. struct rtl_priv *rtlpriv = rtl_priv(hw);
  995. struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
  996. dm_pstable->pre_ccastate = CCA_MAX;
  997. dm_pstable->cur_ccasate = CCA_MAX;
  998. dm_pstable->pre_rfstate = RF_MAX;
  999. dm_pstable->cur_rfstate = RF_MAX;
  1000. dm_pstable->rssi_val_min = 0;
  1001. }
  1002. void rtl92c_dm_rf_saving(struct ieee80211_hw *hw, u8 bforce_in_normal)
  1003. {
  1004. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1005. struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
  1006. static u8 initialize;
  1007. static u32 reg_874, reg_c70, reg_85c, reg_a74;
  1008. if (initialize == 0) {
  1009. reg_874 = (rtl_get_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
  1010. MASKDWORD) & 0x1CC000) >> 14;
  1011. reg_c70 = (rtl_get_bbreg(hw, ROFDM0_AGCPARAMETER1,
  1012. MASKDWORD) & BIT(3)) >> 3;
  1013. reg_85c = (rtl_get_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
  1014. MASKDWORD) & 0xFF000000) >> 24;
  1015. reg_a74 = (rtl_get_bbreg(hw, 0xa74, MASKDWORD) & 0xF000) >> 12;
  1016. initialize = 1;
  1017. }
  1018. if (!bforce_in_normal) {
  1019. if (dm_pstable->rssi_val_min != 0) {
  1020. if (dm_pstable->pre_rfstate == RF_NORMAL) {
  1021. if (dm_pstable->rssi_val_min >= 30)
  1022. dm_pstable->cur_rfstate = RF_SAVE;
  1023. else
  1024. dm_pstable->cur_rfstate = RF_NORMAL;
  1025. } else {
  1026. if (dm_pstable->rssi_val_min <= 25)
  1027. dm_pstable->cur_rfstate = RF_NORMAL;
  1028. else
  1029. dm_pstable->cur_rfstate = RF_SAVE;
  1030. }
  1031. } else {
  1032. dm_pstable->cur_rfstate = RF_MAX;
  1033. }
  1034. } else {
  1035. dm_pstable->cur_rfstate = RF_NORMAL;
  1036. }
  1037. if (dm_pstable->pre_rfstate != dm_pstable->cur_rfstate) {
  1038. if (dm_pstable->cur_rfstate == RF_SAVE) {
  1039. rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
  1040. 0x1C0000, 0x2);
  1041. rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3), 0);
  1042. rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
  1043. 0xFF000000, 0x63);
  1044. rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
  1045. 0xC000, 0x2);
  1046. rtl_set_bbreg(hw, 0xa74, 0xF000, 0x3);
  1047. rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
  1048. rtl_set_bbreg(hw, 0x818, BIT(28), 0x1);
  1049. } else {
  1050. rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
  1051. 0x1CC000, reg_874);
  1052. rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3),
  1053. reg_c70);
  1054. rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL, 0xFF000000,
  1055. reg_85c);
  1056. rtl_set_bbreg(hw, 0xa74, 0xF000, reg_a74);
  1057. rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
  1058. }
  1059. dm_pstable->pre_rfstate = dm_pstable->cur_rfstate;
  1060. }
  1061. }
  1062. EXPORT_SYMBOL(rtl92c_dm_rf_saving);
  1063. static void rtl92c_dm_dynamic_bb_powersaving(struct ieee80211_hw *hw)
  1064. {
  1065. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1066. struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
  1067. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  1068. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  1069. if (((mac->link_state == MAC80211_NOLINK)) &&
  1070. (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
  1071. dm_pstable->rssi_val_min = 0;
  1072. RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD, "Not connected to any\n");
  1073. }
  1074. if (mac->link_state == MAC80211_LINKED) {
  1075. if (mac->opmode == NL80211_IFTYPE_ADHOC) {
  1076. dm_pstable->rssi_val_min =
  1077. rtlpriv->dm.entry_min_undec_sm_pwdb;
  1078. RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
  1079. "AP Client PWDB = 0x%lx\n",
  1080. dm_pstable->rssi_val_min);
  1081. } else {
  1082. dm_pstable->rssi_val_min = rtlpriv->dm.undec_sm_pwdb;
  1083. RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
  1084. "STA Default Port PWDB = 0x%lx\n",
  1085. dm_pstable->rssi_val_min);
  1086. }
  1087. } else {
  1088. dm_pstable->rssi_val_min =
  1089. rtlpriv->dm.entry_min_undec_sm_pwdb;
  1090. RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
  1091. "AP Ext Port PWDB = 0x%lx\n",
  1092. dm_pstable->rssi_val_min);
  1093. }
  1094. if (IS_92C_SERIAL(rtlhal->version))
  1095. ;/* rtl92c_dm_1r_cca(hw); */
  1096. else
  1097. rtl92c_dm_rf_saving(hw, false);
  1098. }
  1099. void rtl92c_dm_init(struct ieee80211_hw *hw)
  1100. {
  1101. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1102. rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
  1103. rtl92c_dm_diginit(hw);
  1104. rtl92c_dm_init_dynamic_txpower(hw);
  1105. rtl92c_dm_init_edca_turbo(hw);
  1106. rtl92c_dm_init_rate_adaptive_mask(hw);
  1107. rtl92c_dm_initialize_txpower_tracking(hw);
  1108. rtl92c_dm_init_dynamic_bb_powersaving(hw);
  1109. }
  1110. EXPORT_SYMBOL(rtl92c_dm_init);
  1111. void rtl92c_dm_dynamic_txpower(struct ieee80211_hw *hw)
  1112. {
  1113. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1114. struct rtl_phy *rtlphy = &(rtlpriv->phy);
  1115. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  1116. long undec_sm_pwdb;
  1117. if (!rtlpriv->dm.dynamic_txpower_enable)
  1118. return;
  1119. if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
  1120. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
  1121. return;
  1122. }
  1123. if ((mac->link_state < MAC80211_LINKED) &&
  1124. (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
  1125. RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
  1126. "Not connected to any\n");
  1127. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
  1128. rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
  1129. return;
  1130. }
  1131. if (mac->link_state >= MAC80211_LINKED) {
  1132. if (mac->opmode == NL80211_IFTYPE_ADHOC) {
  1133. undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
  1134. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1135. "AP Client PWDB = 0x%lx\n",
  1136. undec_sm_pwdb);
  1137. } else {
  1138. undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
  1139. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1140. "STA Default Port PWDB = 0x%lx\n",
  1141. undec_sm_pwdb);
  1142. }
  1143. } else {
  1144. undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
  1145. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1146. "AP Ext Port PWDB = 0x%lx\n",
  1147. undec_sm_pwdb);
  1148. }
  1149. if (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
  1150. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
  1151. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1152. "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n");
  1153. } else if ((undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
  1154. (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL1)) {
  1155. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
  1156. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1157. "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n");
  1158. } else if (undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) {
  1159. rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
  1160. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1161. "TXHIGHPWRLEVEL_NORMAL\n");
  1162. }
  1163. if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
  1164. RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
  1165. "PHY_SetTxPowerLevel8192S() Channel = %d\n",
  1166. rtlphy->current_channel);
  1167. rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel);
  1168. }
  1169. rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
  1170. }
  1171. void rtl92c_dm_watchdog(struct ieee80211_hw *hw)
  1172. {
  1173. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1174. struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
  1175. bool fw_current_inpsmode = false;
  1176. bool fw_ps_awake = true;
  1177. rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS,
  1178. (u8 *) (&fw_current_inpsmode));
  1179. rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FWLPS_RF_ON,
  1180. (u8 *) (&fw_ps_awake));
  1181. if (ppsc->p2p_ps_info.p2p_ps_mode)
  1182. fw_ps_awake = false;
  1183. if ((ppsc->rfpwr_state == ERFON) && ((!fw_current_inpsmode) &&
  1184. fw_ps_awake)
  1185. && (!ppsc->rfchange_inprogress)) {
  1186. rtl92c_dm_pwdb_monitor(hw);
  1187. rtl92c_dm_dig(hw);
  1188. rtl92c_dm_false_alarm_counter_statistics(hw);
  1189. rtl92c_dm_dynamic_bb_powersaving(hw);
  1190. rtl92c_dm_dynamic_txpower(hw);
  1191. rtl92c_dm_check_txpower_tracking(hw);
  1192. /* rtl92c_dm_refresh_rate_adaptive_mask(hw); */
  1193. rtl92c_dm_bt_coexist(hw);
  1194. rtl92c_dm_check_edca_turbo(hw);
  1195. }
  1196. }
  1197. EXPORT_SYMBOL(rtl92c_dm_watchdog);
  1198. u8 rtl92c_bt_rssi_state_change(struct ieee80211_hw *hw)
  1199. {
  1200. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1201. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1202. long undec_sm_pwdb;
  1203. u8 curr_bt_rssi_state = 0x00;
  1204. if (rtlpriv->mac80211.link_state == MAC80211_LINKED) {
  1205. undec_sm_pwdb = GET_UNDECORATED_AVERAGE_RSSI(rtlpriv);
  1206. } else {
  1207. if (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)
  1208. undec_sm_pwdb = 100;
  1209. else
  1210. undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
  1211. }
  1212. /* Check RSSI to determine HighPower/NormalPower state for
  1213. * BT coexistence. */
  1214. if (undec_sm_pwdb >= 67)
  1215. curr_bt_rssi_state &= (~BT_RSSI_STATE_NORMAL_POWER);
  1216. else if (undec_sm_pwdb < 62)
  1217. curr_bt_rssi_state |= BT_RSSI_STATE_NORMAL_POWER;
  1218. /* Check RSSI to determine AMPDU setting for BT coexistence. */
  1219. if (undec_sm_pwdb >= 40)
  1220. curr_bt_rssi_state &= (~BT_RSSI_STATE_AMDPU_OFF);
  1221. else if (undec_sm_pwdb <= 32)
  1222. curr_bt_rssi_state |= BT_RSSI_STATE_AMDPU_OFF;
  1223. /* Marked RSSI state. It will be used to determine BT coexistence
  1224. * setting later. */
  1225. if (undec_sm_pwdb < 35)
  1226. curr_bt_rssi_state |= BT_RSSI_STATE_SPECIAL_LOW;
  1227. else
  1228. curr_bt_rssi_state &= (~BT_RSSI_STATE_SPECIAL_LOW);
  1229. /* Set Tx Power according to BT status. */
  1230. if (undec_sm_pwdb >= 30)
  1231. curr_bt_rssi_state |= BT_RSSI_STATE_TXPOWER_LOW;
  1232. else if (undec_sm_pwdb < 25)
  1233. curr_bt_rssi_state &= (~BT_RSSI_STATE_TXPOWER_LOW);
  1234. /* Check BT state related to BT_Idle in B/G mode. */
  1235. if (undec_sm_pwdb < 15)
  1236. curr_bt_rssi_state |= BT_RSSI_STATE_BG_EDCA_LOW;
  1237. else
  1238. curr_bt_rssi_state &= (~BT_RSSI_STATE_BG_EDCA_LOW);
  1239. if (curr_bt_rssi_state != rtlpcipriv->bt_coexist.bt_rssi_state) {
  1240. rtlpcipriv->bt_coexist.bt_rssi_state = curr_bt_rssi_state;
  1241. return true;
  1242. } else {
  1243. return false;
  1244. }
  1245. }
  1246. EXPORT_SYMBOL(rtl92c_bt_rssi_state_change);
  1247. static bool rtl92c_bt_state_change(struct ieee80211_hw *hw)
  1248. {
  1249. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1250. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1251. u32 polling, ratio_tx, ratio_pri;
  1252. u32 bt_tx, bt_pri;
  1253. u8 bt_state;
  1254. u8 cur_service_type;
  1255. if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
  1256. return false;
  1257. bt_state = rtl_read_byte(rtlpriv, 0x4fd);
  1258. bt_tx = rtl_read_dword(rtlpriv, 0x488);
  1259. bt_tx = bt_tx & 0x00ffffff;
  1260. bt_pri = rtl_read_dword(rtlpriv, 0x48c);
  1261. bt_pri = bt_pri & 0x00ffffff;
  1262. polling = rtl_read_dword(rtlpriv, 0x490);
  1263. if (bt_tx == 0xffffffff && bt_pri == 0xffffffff &&
  1264. polling == 0xffffffff && bt_state == 0xff)
  1265. return false;
  1266. bt_state &= BIT_OFFSET_LEN_MASK_32(0, 1);
  1267. if (bt_state != rtlpcipriv->bt_coexist.bt_cur_state) {
  1268. rtlpcipriv->bt_coexist.bt_cur_state = bt_state;
  1269. if (rtlpcipriv->bt_coexist.reg_bt_sco == 3) {
  1270. rtlpcipriv->bt_coexist.bt_service = BT_IDLE;
  1271. bt_state = bt_state |
  1272. ((rtlpcipriv->bt_coexist.bt_ant_isolation == 1) ?
  1273. 0 : BIT_OFFSET_LEN_MASK_32(1, 1)) |
  1274. BIT_OFFSET_LEN_MASK_32(2, 1);
  1275. rtl_write_byte(rtlpriv, 0x4fd, bt_state);
  1276. }
  1277. return true;
  1278. }
  1279. ratio_tx = bt_tx * 1000 / polling;
  1280. ratio_pri = bt_pri * 1000 / polling;
  1281. rtlpcipriv->bt_coexist.ratio_tx = ratio_tx;
  1282. rtlpcipriv->bt_coexist.ratio_pri = ratio_pri;
  1283. if (bt_state && rtlpcipriv->bt_coexist.reg_bt_sco == 3) {
  1284. if ((ratio_tx < 30) && (ratio_pri < 30))
  1285. cur_service_type = BT_IDLE;
  1286. else if ((ratio_pri > 110) && (ratio_pri < 250))
  1287. cur_service_type = BT_SCO;
  1288. else if ((ratio_tx >= 200) && (ratio_pri >= 200))
  1289. cur_service_type = BT_BUSY;
  1290. else if ((ratio_tx >= 350) && (ratio_tx < 500))
  1291. cur_service_type = BT_OTHERBUSY;
  1292. else if (ratio_tx >= 500)
  1293. cur_service_type = BT_PAN;
  1294. else
  1295. cur_service_type = BT_OTHER_ACTION;
  1296. if (cur_service_type != rtlpcipriv->bt_coexist.bt_service) {
  1297. rtlpcipriv->bt_coexist.bt_service = cur_service_type;
  1298. bt_state = bt_state |
  1299. ((rtlpcipriv->bt_coexist.bt_ant_isolation == 1) ?
  1300. 0 : BIT_OFFSET_LEN_MASK_32(1, 1)) |
  1301. ((rtlpcipriv->bt_coexist.bt_service != BT_IDLE) ?
  1302. 0 : BIT_OFFSET_LEN_MASK_32(2, 1));
  1303. /* Add interrupt migration when bt is not ini
  1304. * idle state (no traffic). */
  1305. if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
  1306. rtl_write_word(rtlpriv, 0x504, 0x0ccc);
  1307. rtl_write_byte(rtlpriv, 0x506, 0x54);
  1308. rtl_write_byte(rtlpriv, 0x507, 0x54);
  1309. } else {
  1310. rtl_write_byte(rtlpriv, 0x506, 0x00);
  1311. rtl_write_byte(rtlpriv, 0x507, 0x00);
  1312. }
  1313. rtl_write_byte(rtlpriv, 0x4fd, bt_state);
  1314. return true;
  1315. }
  1316. }
  1317. return false;
  1318. }
  1319. static bool rtl92c_bt_wifi_connect_change(struct ieee80211_hw *hw)
  1320. {
  1321. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1322. static bool media_connect;
  1323. if (rtlpriv->mac80211.link_state < MAC80211_LINKED) {
  1324. media_connect = false;
  1325. } else {
  1326. if (!media_connect) {
  1327. media_connect = true;
  1328. return true;
  1329. }
  1330. media_connect = true;
  1331. }
  1332. return false;
  1333. }
  1334. static void rtl92c_bt_set_normal(struct ieee80211_hw *hw)
  1335. {
  1336. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1337. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1338. if (rtlpcipriv->bt_coexist.bt_service == BT_OTHERBUSY) {
  1339. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea72b;
  1340. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea72b;
  1341. } else if (rtlpcipriv->bt_coexist.bt_service == BT_BUSY) {
  1342. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5eb82f;
  1343. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5eb82f;
  1344. } else if (rtlpcipriv->bt_coexist.bt_service == BT_SCO) {
  1345. if (rtlpcipriv->bt_coexist.ratio_tx > 160) {
  1346. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea72f;
  1347. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea72f;
  1348. } else {
  1349. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea32b;
  1350. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea42b;
  1351. }
  1352. } else {
  1353. rtlpcipriv->bt_coexist.bt_edca_ul = 0;
  1354. rtlpcipriv->bt_coexist.bt_edca_dl = 0;
  1355. }
  1356. if ((rtlpcipriv->bt_coexist.bt_service != BT_IDLE) &&
  1357. (rtlpriv->mac80211.mode == WIRELESS_MODE_G ||
  1358. (rtlpriv->mac80211.mode == (WIRELESS_MODE_G | WIRELESS_MODE_B))) &&
  1359. (rtlpcipriv->bt_coexist.bt_rssi_state &
  1360. BT_RSSI_STATE_BG_EDCA_LOW)) {
  1361. rtlpcipriv->bt_coexist.bt_edca_ul = 0x5eb82b;
  1362. rtlpcipriv->bt_coexist.bt_edca_dl = 0x5eb82b;
  1363. }
  1364. }
  1365. static void rtl92c_bt_ant_isolation(struct ieee80211_hw *hw, u8 tmp1byte)
  1366. {
  1367. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1368. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1369. /* Only enable HW BT coexist when BT in "Busy" state. */
  1370. if (rtlpriv->mac80211.vendor == PEER_CISCO &&
  1371. rtlpcipriv->bt_coexist.bt_service == BT_OTHER_ACTION) {
  1372. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
  1373. } else {
  1374. if ((rtlpcipriv->bt_coexist.bt_service == BT_BUSY) &&
  1375. (rtlpcipriv->bt_coexist.bt_rssi_state &
  1376. BT_RSSI_STATE_NORMAL_POWER)) {
  1377. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
  1378. } else if ((rtlpcipriv->bt_coexist.bt_service ==
  1379. BT_OTHER_ACTION) && (rtlpriv->mac80211.mode <
  1380. WIRELESS_MODE_N_24G) &&
  1381. (rtlpcipriv->bt_coexist.bt_rssi_state &
  1382. BT_RSSI_STATE_SPECIAL_LOW)) {
  1383. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
  1384. } else if (rtlpcipriv->bt_coexist.bt_service == BT_PAN) {
  1385. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte);
  1386. } else {
  1387. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte);
  1388. }
  1389. }
  1390. if (rtlpcipriv->bt_coexist.bt_service == BT_PAN)
  1391. rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x10100);
  1392. else
  1393. rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x0);
  1394. if (rtlpcipriv->bt_coexist.bt_rssi_state &
  1395. BT_RSSI_STATE_NORMAL_POWER) {
  1396. rtl92c_bt_set_normal(hw);
  1397. } else {
  1398. rtlpcipriv->bt_coexist.bt_edca_ul = 0;
  1399. rtlpcipriv->bt_coexist.bt_edca_dl = 0;
  1400. }
  1401. if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
  1402. rtlpriv->cfg->ops->set_rfreg(hw,
  1403. RF90_PATH_A,
  1404. 0x1e,
  1405. 0xf0, 0xf);
  1406. } else {
  1407. rtlpriv->cfg->ops->set_rfreg(hw,
  1408. RF90_PATH_A, 0x1e, 0xf0,
  1409. rtlpcipriv->bt_coexist.bt_rfreg_origin_1e);
  1410. }
  1411. if (!rtlpriv->dm.dynamic_txpower_enable) {
  1412. if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
  1413. if (rtlpcipriv->bt_coexist.bt_rssi_state &
  1414. BT_RSSI_STATE_TXPOWER_LOW) {
  1415. rtlpriv->dm.dynamic_txhighpower_lvl =
  1416. TXHIGHPWRLEVEL_BT2;
  1417. } else {
  1418. rtlpriv->dm.dynamic_txhighpower_lvl =
  1419. TXHIGHPWRLEVEL_BT1;
  1420. }
  1421. } else {
  1422. rtlpriv->dm.dynamic_txhighpower_lvl =
  1423. TXHIGHPWRLEVEL_NORMAL;
  1424. }
  1425. rtl92c_phy_set_txpower_level(hw,
  1426. rtlpriv->phy.current_channel);
  1427. }
  1428. }
  1429. static void rtl92c_check_bt_change(struct ieee80211_hw *hw)
  1430. {
  1431. struct rtl_priv *rtlpriv = rtl_priv(hw);
  1432. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1433. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  1434. u8 tmp1byte = 0;
  1435. if (IS_81xxC_VENDOR_UMC_B_CUT(rtlhal->version) &&
  1436. rtlpcipriv->bt_coexist.bt_coexistence)
  1437. tmp1byte |= BIT(5);
  1438. if (rtlpcipriv->bt_coexist.bt_cur_state) {
  1439. if (rtlpcipriv->bt_coexist.bt_ant_isolation)
  1440. rtl92c_bt_ant_isolation(hw, tmp1byte);
  1441. } else {
  1442. rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte);
  1443. rtlpriv->cfg->ops->set_rfreg(hw, RF90_PATH_A, 0x1e, 0xf0,
  1444. rtlpcipriv->bt_coexist.bt_rfreg_origin_1e);
  1445. rtlpcipriv->bt_coexist.bt_edca_ul = 0;
  1446. rtlpcipriv->bt_coexist.bt_edca_dl = 0;
  1447. }
  1448. }
  1449. void rtl92c_dm_bt_coexist(struct ieee80211_hw *hw)
  1450. {
  1451. struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  1452. bool wifi_connect_change;
  1453. bool bt_state_change;
  1454. bool rssi_state_change;
  1455. if ((rtlpcipriv->bt_coexist.bt_coexistence) &&
  1456. (rtlpcipriv->bt_coexist.bt_coexist_type == BT_CSR_BC4)) {
  1457. wifi_connect_change = rtl92c_bt_wifi_connect_change(hw);
  1458. bt_state_change = rtl92c_bt_state_change(hw);
  1459. rssi_state_change = rtl92c_bt_rssi_state_change(hw);
  1460. if (wifi_connect_change || bt_state_change || rssi_state_change)
  1461. rtl92c_check_bt_change(hw);
  1462. }
  1463. }
  1464. EXPORT_SYMBOL(rtl92c_dm_bt_coexist);