phy.c 18 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 "../wifi.h"
  30. #include "../pci.h"
  31. #include "../ps.h"
  32. #include "reg.h"
  33. #include "def.h"
  34. #include "hw.h"
  35. #include "phy.h"
  36. #include "rf.h"
  37. #include "dm.h"
  38. #include "table.h"
  39. static bool _rtl92c_phy_config_mac_with_headerfile(struct ieee80211_hw *hw);
  40. u32 rtl92c_phy_query_rf_reg(struct ieee80211_hw *hw,
  41. enum radio_path rfpath, u32 regaddr, u32 bitmask)
  42. {
  43. struct rtl_priv *rtlpriv = rtl_priv(hw);
  44. u32 original_value, readback_value, bitshift;
  45. struct rtl_phy *rtlphy = &(rtlpriv->phy);
  46. RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
  47. "regaddr(%#x), rfpath(%#x), bitmask(%#x)\n",
  48. regaddr, rfpath, bitmask);
  49. spin_lock(&rtlpriv->locks.rf_lock);
  50. if (rtlphy->rf_mode != RF_OP_BY_FW) {
  51. original_value = _rtl92c_phy_rf_serial_read(hw,
  52. rfpath, regaddr);
  53. } else {
  54. original_value = _rtl92c_phy_fw_rf_serial_read(hw,
  55. rfpath, regaddr);
  56. }
  57. bitshift = _rtl92c_phy_calculate_bit_shift(bitmask);
  58. readback_value = (original_value & bitmask) >> bitshift;
  59. spin_unlock(&rtlpriv->locks.rf_lock);
  60. RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
  61. "regaddr(%#x), rfpath(%#x), bitmask(%#x), original_value(%#x)\n",
  62. regaddr, rfpath, bitmask, original_value);
  63. return readback_value;
  64. }
  65. bool rtl92c_phy_mac_config(struct ieee80211_hw *hw)
  66. {
  67. struct rtl_priv *rtlpriv = rtl_priv(hw);
  68. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  69. bool is92c = IS_92C_SERIAL(rtlhal->version);
  70. bool rtstatus = _rtl92c_phy_config_mac_with_headerfile(hw);
  71. if (is92c)
  72. rtl_write_byte(rtlpriv, 0x14, 0x71);
  73. return rtstatus;
  74. }
  75. bool rtl92c_phy_bb_config(struct ieee80211_hw *hw)
  76. {
  77. bool rtstatus = true;
  78. struct rtl_priv *rtlpriv = rtl_priv(hw);
  79. u16 regval;
  80. u32 regvaldw;
  81. u8 reg_hwparafile = 1;
  82. _rtl92c_phy_init_bb_rf_register_definition(hw);
  83. regval = rtl_read_word(rtlpriv, REG_SYS_FUNC_EN);
  84. rtl_write_word(rtlpriv, REG_SYS_FUNC_EN,
  85. regval | BIT(13) | BIT(0) | BIT(1));
  86. rtl_write_byte(rtlpriv, REG_AFE_PLL_CTRL, 0x83);
  87. rtl_write_byte(rtlpriv, REG_AFE_PLL_CTRL + 1, 0xdb);
  88. rtl_write_byte(rtlpriv, REG_RF_CTRL, RF_EN | RF_RSTB | RF_SDMRSTB);
  89. rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN,
  90. FEN_PPLL | FEN_PCIEA | FEN_DIO_PCIE |
  91. FEN_BB_GLB_RSTn | FEN_BBRSTB);
  92. rtl_write_byte(rtlpriv, REG_AFE_XTAL_CTRL + 1, 0x80);
  93. regvaldw = rtl_read_dword(rtlpriv, REG_LEDCFG0);
  94. rtl_write_dword(rtlpriv, REG_LEDCFG0, regvaldw | BIT(23));
  95. if (reg_hwparafile == 1)
  96. rtstatus = _rtl92c_phy_bb8192c_config_parafile(hw);
  97. return rtstatus;
  98. }
  99. void rtl92ce_phy_set_rf_reg(struct ieee80211_hw *hw,
  100. enum radio_path rfpath,
  101. u32 regaddr, u32 bitmask, u32 data)
  102. {
  103. struct rtl_priv *rtlpriv = rtl_priv(hw);
  104. struct rtl_phy *rtlphy = &(rtlpriv->phy);
  105. u32 original_value, bitshift;
  106. RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
  107. "regaddr(%#x), bitmask(%#x), data(%#x), rfpath(%#x)\n",
  108. regaddr, bitmask, data, rfpath);
  109. spin_lock(&rtlpriv->locks.rf_lock);
  110. if (rtlphy->rf_mode != RF_OP_BY_FW) {
  111. if (bitmask != RFREG_OFFSET_MASK) {
  112. original_value = _rtl92c_phy_rf_serial_read(hw,
  113. rfpath,
  114. regaddr);
  115. bitshift = _rtl92c_phy_calculate_bit_shift(bitmask);
  116. data =
  117. ((original_value & (~bitmask)) |
  118. (data << bitshift));
  119. }
  120. _rtl92c_phy_rf_serial_write(hw, rfpath, regaddr, data);
  121. } else {
  122. if (bitmask != RFREG_OFFSET_MASK) {
  123. original_value = _rtl92c_phy_fw_rf_serial_read(hw,
  124. rfpath,
  125. regaddr);
  126. bitshift = _rtl92c_phy_calculate_bit_shift(bitmask);
  127. data =
  128. ((original_value & (~bitmask)) |
  129. (data << bitshift));
  130. }
  131. _rtl92c_phy_fw_rf_serial_write(hw, rfpath, regaddr, data);
  132. }
  133. spin_unlock(&rtlpriv->locks.rf_lock);
  134. RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
  135. "regaddr(%#x), bitmask(%#x), data(%#x), rfpath(%#x)\n",
  136. regaddr, bitmask, data, rfpath);
  137. }
  138. static bool _rtl92c_phy_config_mac_with_headerfile(struct ieee80211_hw *hw)
  139. {
  140. struct rtl_priv *rtlpriv = rtl_priv(hw);
  141. u32 i;
  142. u32 arraylength;
  143. u32 *ptrarray;
  144. RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "Read Rtl819XMACPHY_Array\n");
  145. arraylength = MAC_2T_ARRAYLENGTH;
  146. ptrarray = RTL8192CEMAC_2T_ARRAY;
  147. RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "Img:RTL8192CEMAC_2T_ARRAY\n");
  148. for (i = 0; i < arraylength; i = i + 2)
  149. rtl_write_byte(rtlpriv, ptrarray[i], (u8) ptrarray[i + 1]);
  150. return true;
  151. }
  152. bool _rtl92ce_phy_config_bb_with_headerfile(struct ieee80211_hw *hw,
  153. u8 configtype)
  154. {
  155. int i;
  156. u32 *phy_regarray_table;
  157. u32 *agctab_array_table;
  158. u16 phy_reg_arraylen, agctab_arraylen;
  159. struct rtl_priv *rtlpriv = rtl_priv(hw);
  160. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  161. if (IS_92C_SERIAL(rtlhal->version)) {
  162. agctab_arraylen = AGCTAB_2TARRAYLENGTH;
  163. agctab_array_table = RTL8192CEAGCTAB_2TARRAY;
  164. phy_reg_arraylen = PHY_REG_2TARRAY_LENGTH;
  165. phy_regarray_table = RTL8192CEPHY_REG_2TARRAY;
  166. } else {
  167. agctab_arraylen = AGCTAB_1TARRAYLENGTH;
  168. agctab_array_table = RTL8192CEAGCTAB_1TARRAY;
  169. phy_reg_arraylen = PHY_REG_1TARRAY_LENGTH;
  170. phy_regarray_table = RTL8192CEPHY_REG_1TARRAY;
  171. }
  172. if (configtype == BASEBAND_CONFIG_PHY_REG) {
  173. for (i = 0; i < phy_reg_arraylen; i = i + 2) {
  174. if (phy_regarray_table[i] == 0xfe)
  175. mdelay(50);
  176. else if (phy_regarray_table[i] == 0xfd)
  177. mdelay(5);
  178. else if (phy_regarray_table[i] == 0xfc)
  179. mdelay(1);
  180. else if (phy_regarray_table[i] == 0xfb)
  181. udelay(50);
  182. else if (phy_regarray_table[i] == 0xfa)
  183. udelay(5);
  184. else if (phy_regarray_table[i] == 0xf9)
  185. udelay(1);
  186. rtl_set_bbreg(hw, phy_regarray_table[i], MASKDWORD,
  187. phy_regarray_table[i + 1]);
  188. udelay(1);
  189. RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
  190. "The phy_regarray_table[0] is %x Rtl819XPHY_REGArray[1] is %x\n",
  191. phy_regarray_table[i],
  192. phy_regarray_table[i + 1]);
  193. }
  194. } else if (configtype == BASEBAND_CONFIG_AGC_TAB) {
  195. for (i = 0; i < agctab_arraylen; i = i + 2) {
  196. rtl_set_bbreg(hw, agctab_array_table[i], MASKDWORD,
  197. agctab_array_table[i + 1]);
  198. udelay(1);
  199. RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
  200. "The agctab_array_table[0] is %x Rtl819XPHY_REGArray[1] is %x\n",
  201. agctab_array_table[i],
  202. agctab_array_table[i + 1]);
  203. }
  204. }
  205. return true;
  206. }
  207. bool _rtl92ce_phy_config_bb_with_pgheaderfile(struct ieee80211_hw *hw,
  208. u8 configtype)
  209. {
  210. struct rtl_priv *rtlpriv = rtl_priv(hw);
  211. int i;
  212. u32 *phy_regarray_table_pg;
  213. u16 phy_regarray_pg_len;
  214. phy_regarray_pg_len = PHY_REG_ARRAY_PGLENGTH;
  215. phy_regarray_table_pg = RTL8192CEPHY_REG_ARRAY_PG;
  216. if (configtype == BASEBAND_CONFIG_PHY_REG) {
  217. for (i = 0; i < phy_regarray_pg_len; i = i + 3) {
  218. if (phy_regarray_table_pg[i] == 0xfe)
  219. mdelay(50);
  220. else if (phy_regarray_table_pg[i] == 0xfd)
  221. mdelay(5);
  222. else if (phy_regarray_table_pg[i] == 0xfc)
  223. mdelay(1);
  224. else if (phy_regarray_table_pg[i] == 0xfb)
  225. udelay(50);
  226. else if (phy_regarray_table_pg[i] == 0xfa)
  227. udelay(5);
  228. else if (phy_regarray_table_pg[i] == 0xf9)
  229. udelay(1);
  230. _rtl92c_store_pwrIndex_diffrate_offset(hw,
  231. phy_regarray_table_pg[i],
  232. phy_regarray_table_pg[i + 1],
  233. phy_regarray_table_pg[i + 2]);
  234. }
  235. } else {
  236. RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
  237. "configtype != BaseBand_Config_PHY_REG\n");
  238. }
  239. return true;
  240. }
  241. bool rtl92c_phy_config_rf_with_headerfile(struct ieee80211_hw *hw,
  242. enum radio_path rfpath)
  243. {
  244. int i;
  245. u32 *radioa_array_table;
  246. u32 *radiob_array_table;
  247. u16 radioa_arraylen, radiob_arraylen;
  248. struct rtl_priv *rtlpriv = rtl_priv(hw);
  249. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  250. if (IS_92C_SERIAL(rtlhal->version)) {
  251. radioa_arraylen = RADIOA_2TARRAYLENGTH;
  252. radioa_array_table = RTL8192CERADIOA_2TARRAY;
  253. radiob_arraylen = RADIOB_2TARRAYLENGTH;
  254. radiob_array_table = RTL8192CE_RADIOB_2TARRAY;
  255. RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
  256. "Radio_A:RTL8192CERADIOA_2TARRAY\n");
  257. RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
  258. "Radio_B:RTL8192CE_RADIOB_2TARRAY\n");
  259. } else {
  260. radioa_arraylen = RADIOA_1TARRAYLENGTH;
  261. radioa_array_table = RTL8192CE_RADIOA_1TARRAY;
  262. radiob_arraylen = RADIOB_1TARRAYLENGTH;
  263. radiob_array_table = RTL8192CE_RADIOB_1TARRAY;
  264. RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
  265. "Radio_A:RTL8192CE_RADIOA_1TARRAY\n");
  266. RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
  267. "Radio_B:RTL8192CE_RADIOB_1TARRAY\n");
  268. }
  269. RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "Radio No %x\n", rfpath);
  270. switch (rfpath) {
  271. case RF90_PATH_A:
  272. for (i = 0; i < radioa_arraylen; i = i + 2) {
  273. if (radioa_array_table[i] == 0xfe)
  274. mdelay(50);
  275. else if (radioa_array_table[i] == 0xfd)
  276. mdelay(5);
  277. else if (radioa_array_table[i] == 0xfc)
  278. mdelay(1);
  279. else if (radioa_array_table[i] == 0xfb)
  280. udelay(50);
  281. else if (radioa_array_table[i] == 0xfa)
  282. udelay(5);
  283. else if (radioa_array_table[i] == 0xf9)
  284. udelay(1);
  285. else {
  286. rtl_set_rfreg(hw, rfpath, radioa_array_table[i],
  287. RFREG_OFFSET_MASK,
  288. radioa_array_table[i + 1]);
  289. udelay(1);
  290. }
  291. }
  292. break;
  293. case RF90_PATH_B:
  294. for (i = 0; i < radiob_arraylen; i = i + 2) {
  295. if (radiob_array_table[i] == 0xfe) {
  296. mdelay(50);
  297. } else if (radiob_array_table[i] == 0xfd)
  298. mdelay(5);
  299. else if (radiob_array_table[i] == 0xfc)
  300. mdelay(1);
  301. else if (radiob_array_table[i] == 0xfb)
  302. udelay(50);
  303. else if (radiob_array_table[i] == 0xfa)
  304. udelay(5);
  305. else if (radiob_array_table[i] == 0xf9)
  306. udelay(1);
  307. else {
  308. rtl_set_rfreg(hw, rfpath, radiob_array_table[i],
  309. RFREG_OFFSET_MASK,
  310. radiob_array_table[i + 1]);
  311. udelay(1);
  312. }
  313. }
  314. break;
  315. case RF90_PATH_C:
  316. RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
  317. "switch case not processed\n");
  318. break;
  319. case RF90_PATH_D:
  320. RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
  321. "switch case not processed\n");
  322. break;
  323. }
  324. return true;
  325. }
  326. void rtl92ce_phy_set_bw_mode_callback(struct ieee80211_hw *hw)
  327. {
  328. struct rtl_priv *rtlpriv = rtl_priv(hw);
  329. struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  330. struct rtl_phy *rtlphy = &(rtlpriv->phy);
  331. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  332. u8 reg_bw_opmode;
  333. u8 reg_prsr_rsc;
  334. RT_TRACE(rtlpriv, COMP_SCAN, DBG_TRACE, "Switch to %s bandwidth\n",
  335. rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20 ?
  336. "20MHz" : "40MHz");
  337. if (is_hal_stop(rtlhal)) {
  338. rtlphy->set_bwmode_inprogress = false;
  339. return;
  340. }
  341. reg_bw_opmode = rtl_read_byte(rtlpriv, REG_BWOPMODE);
  342. reg_prsr_rsc = rtl_read_byte(rtlpriv, REG_RRSR + 2);
  343. switch (rtlphy->current_chan_bw) {
  344. case HT_CHANNEL_WIDTH_20:
  345. reg_bw_opmode |= BW_OPMODE_20MHZ;
  346. rtl_write_byte(rtlpriv, REG_BWOPMODE, reg_bw_opmode);
  347. break;
  348. case HT_CHANNEL_WIDTH_20_40:
  349. reg_bw_opmode &= ~BW_OPMODE_20MHZ;
  350. rtl_write_byte(rtlpriv, REG_BWOPMODE, reg_bw_opmode);
  351. reg_prsr_rsc =
  352. (reg_prsr_rsc & 0x90) | (mac->cur_40_prime_sc << 5);
  353. rtl_write_byte(rtlpriv, REG_RRSR + 2, reg_prsr_rsc);
  354. break;
  355. default:
  356. RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
  357. "unknown bandwidth: %#X\n", rtlphy->current_chan_bw);
  358. break;
  359. }
  360. switch (rtlphy->current_chan_bw) {
  361. case HT_CHANNEL_WIDTH_20:
  362. rtl_set_bbreg(hw, RFPGA0_RFMOD, BRFMOD, 0x0);
  363. rtl_set_bbreg(hw, RFPGA1_RFMOD, BRFMOD, 0x0);
  364. rtl_set_bbreg(hw, RFPGA0_ANALOGPARAMETER2, BIT(10), 1);
  365. break;
  366. case HT_CHANNEL_WIDTH_20_40:
  367. rtl_set_bbreg(hw, RFPGA0_RFMOD, BRFMOD, 0x1);
  368. rtl_set_bbreg(hw, RFPGA1_RFMOD, BRFMOD, 0x1);
  369. rtl_set_bbreg(hw, RCCK0_SYSTEM, BCCK_SIDEBAND,
  370. (mac->cur_40_prime_sc >> 1));
  371. rtl_set_bbreg(hw, ROFDM1_LSTF, 0xC00, mac->cur_40_prime_sc);
  372. rtl_set_bbreg(hw, RFPGA0_ANALOGPARAMETER2, BIT(10), 0);
  373. rtl_set_bbreg(hw, 0x818, (BIT(26) | BIT(27)),
  374. (mac->cur_40_prime_sc ==
  375. HAL_PRIME_CHNL_OFFSET_LOWER) ? 2 : 1);
  376. break;
  377. default:
  378. RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
  379. "unknown bandwidth: %#X\n", rtlphy->current_chan_bw);
  380. break;
  381. }
  382. rtl92ce_phy_rf6052_set_bandwidth(hw, rtlphy->current_chan_bw);
  383. rtlphy->set_bwmode_inprogress = false;
  384. RT_TRACE(rtlpriv, COMP_SCAN, DBG_TRACE, "<==\n");
  385. }
  386. void _rtl92ce_phy_lc_calibrate(struct ieee80211_hw *hw, bool is2t)
  387. {
  388. u8 tmpreg;
  389. u32 rf_a_mode = 0, rf_b_mode = 0, lc_cal;
  390. struct rtl_priv *rtlpriv = rtl_priv(hw);
  391. tmpreg = rtl_read_byte(rtlpriv, 0xd03);
  392. if ((tmpreg & 0x70) != 0)
  393. rtl_write_byte(rtlpriv, 0xd03, tmpreg & 0x8F);
  394. else
  395. rtl_write_byte(rtlpriv, REG_TXPAUSE, 0xFF);
  396. if ((tmpreg & 0x70) != 0) {
  397. rf_a_mode = rtl_get_rfreg(hw, RF90_PATH_A, 0x00, MASK12BITS);
  398. if (is2t)
  399. rf_b_mode = rtl_get_rfreg(hw, RF90_PATH_B, 0x00,
  400. MASK12BITS);
  401. rtl_set_rfreg(hw, RF90_PATH_A, 0x00, MASK12BITS,
  402. (rf_a_mode & 0x8FFFF) | 0x10000);
  403. if (is2t)
  404. rtl_set_rfreg(hw, RF90_PATH_B, 0x00, MASK12BITS,
  405. (rf_b_mode & 0x8FFFF) | 0x10000);
  406. }
  407. lc_cal = rtl_get_rfreg(hw, RF90_PATH_A, 0x18, MASK12BITS);
  408. rtl_set_rfreg(hw, RF90_PATH_A, 0x18, MASK12BITS, lc_cal | 0x08000);
  409. mdelay(100);
  410. if ((tmpreg & 0x70) != 0) {
  411. rtl_write_byte(rtlpriv, 0xd03, tmpreg);
  412. rtl_set_rfreg(hw, RF90_PATH_A, 0x00, MASK12BITS, rf_a_mode);
  413. if (is2t)
  414. rtl_set_rfreg(hw, RF90_PATH_B, 0x00, MASK12BITS,
  415. rf_b_mode);
  416. } else {
  417. rtl_write_byte(rtlpriv, REG_TXPAUSE, 0x00);
  418. }
  419. }
  420. static void _rtl92ce_phy_set_rf_sleep(struct ieee80211_hw *hw)
  421. {
  422. u32 u4b_tmp;
  423. u8 delay = 5;
  424. struct rtl_priv *rtlpriv = rtl_priv(hw);
  425. rtl_write_byte(rtlpriv, REG_TXPAUSE, 0xFF);
  426. rtl_set_rfreg(hw, RF90_PATH_A, 0x00, RFREG_OFFSET_MASK, 0x00);
  427. rtl_write_byte(rtlpriv, REG_APSD_CTRL, 0x40);
  428. u4b_tmp = rtl_get_rfreg(hw, RF90_PATH_A, 0, RFREG_OFFSET_MASK);
  429. while (u4b_tmp != 0 && delay > 0) {
  430. rtl_write_byte(rtlpriv, REG_APSD_CTRL, 0x0);
  431. rtl_set_rfreg(hw, RF90_PATH_A, 0x00, RFREG_OFFSET_MASK, 0x00);
  432. rtl_write_byte(rtlpriv, REG_APSD_CTRL, 0x40);
  433. u4b_tmp = rtl_get_rfreg(hw, RF90_PATH_A, 0, RFREG_OFFSET_MASK);
  434. delay--;
  435. }
  436. if (delay == 0) {
  437. rtl_write_byte(rtlpriv, REG_APSD_CTRL, 0x00);
  438. rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN, 0xE2);
  439. rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN, 0xE3);
  440. rtl_write_byte(rtlpriv, REG_TXPAUSE, 0x00);
  441. RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
  442. "Switch RF timeout !!!\n");
  443. return;
  444. }
  445. rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN, 0xE2);
  446. rtl_write_byte(rtlpriv, REG_SPS0_CTRL, 0x22);
  447. }
  448. static bool _rtl92ce_phy_set_rf_power_state(struct ieee80211_hw *hw,
  449. enum rf_pwrstate rfpwr_state)
  450. {
  451. struct rtl_priv *rtlpriv = rtl_priv(hw);
  452. struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
  453. struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  454. struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
  455. bool bresult = true;
  456. u8 i, queue_id;
  457. struct rtl8192_tx_ring *ring = NULL;
  458. switch (rfpwr_state) {
  459. case ERFON:{
  460. if ((ppsc->rfpwr_state == ERFOFF) &&
  461. RT_IN_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC)) {
  462. bool rtstatus;
  463. u32 InitializeCount = 0;
  464. do {
  465. InitializeCount++;
  466. RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
  467. "IPS Set eRf nic enable\n");
  468. rtstatus = rtl_ps_enable_nic(hw);
  469. } while (!rtstatus && (InitializeCount < 10));
  470. RT_CLEAR_PS_LEVEL(ppsc,
  471. RT_RF_OFF_LEVL_HALT_NIC);
  472. } else {
  473. RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
  474. "Set ERFON sleeped:%d ms\n",
  475. jiffies_to_msecs(jiffies -
  476. ppsc->
  477. last_sleep_jiffies));
  478. ppsc->last_awake_jiffies = jiffies;
  479. rtl92ce_phy_set_rf_on(hw);
  480. }
  481. if (mac->link_state == MAC80211_LINKED) {
  482. rtlpriv->cfg->ops->led_control(hw,
  483. LED_CTL_LINK);
  484. } else {
  485. rtlpriv->cfg->ops->led_control(hw,
  486. LED_CTL_NO_LINK);
  487. }
  488. break;
  489. }
  490. case ERFOFF:{
  491. if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_HALT_NIC) {
  492. RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
  493. "IPS Set eRf nic disable\n");
  494. rtl_ps_disable_nic(hw);
  495. RT_SET_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC);
  496. } else {
  497. if (ppsc->rfoff_reason == RF_CHANGE_BY_IPS) {
  498. rtlpriv->cfg->ops->led_control(hw,
  499. LED_CTL_NO_LINK);
  500. } else {
  501. rtlpriv->cfg->ops->led_control(hw,
  502. LED_CTL_POWER_OFF);
  503. }
  504. }
  505. break;
  506. }
  507. case ERFSLEEP:{
  508. if (ppsc->rfpwr_state == ERFOFF)
  509. return false;
  510. for (queue_id = 0, i = 0;
  511. queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
  512. ring = &pcipriv->dev.tx_ring[queue_id];
  513. if (skb_queue_len(&ring->queue) == 0) {
  514. queue_id++;
  515. continue;
  516. } else {
  517. RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
  518. "eRf Off/Sleep: %d times TcbBusyQueue[%d] =%d before doze!\n",
  519. i + 1, queue_id,
  520. skb_queue_len(&ring->queue));
  521. udelay(10);
  522. i++;
  523. }
  524. if (i >= MAX_DOZE_WAITING_TIMES_9x) {
  525. RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
  526. "ERFSLEEP: %d times TcbBusyQueue[%d] = %d !\n",
  527. MAX_DOZE_WAITING_TIMES_9x,
  528. queue_id,
  529. skb_queue_len(&ring->queue));
  530. break;
  531. }
  532. }
  533. RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
  534. "Set ERFSLEEP awaked:%d ms\n",
  535. jiffies_to_msecs(jiffies -
  536. ppsc->last_awake_jiffies));
  537. ppsc->last_sleep_jiffies = jiffies;
  538. _rtl92ce_phy_set_rf_sleep(hw);
  539. break;
  540. }
  541. default:
  542. RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
  543. "switch case not processed\n");
  544. bresult = false;
  545. break;
  546. }
  547. if (bresult)
  548. ppsc->rfpwr_state = rfpwr_state;
  549. return bresult;
  550. }
  551. bool rtl92c_phy_set_rf_power_state(struct ieee80211_hw *hw,
  552. enum rf_pwrstate rfpwr_state)
  553. {
  554. struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
  555. bool bresult = false;
  556. if (rfpwr_state == ppsc->rfpwr_state)
  557. return bresult;
  558. bresult = _rtl92ce_phy_set_rf_power_state(hw, rfpwr_state);
  559. return bresult;
  560. }