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OMAPDSS: VENC: fix NULL pointer dereference in DSS2 VENC sysfs debug attr on OMAP4
[zen-stable.git] / drivers / net / wireless / rtlwifi / rtl8192ce / phy.c
blob3b585aadabfcdae61bc7aed6b8b2694266ed1f14
1 /******************************************************************************
2 *
3 * Copyright(c) 2009-2010 Realtek Corporation.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17 *
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
20 *
21 * Contact Information:
22 * wlanfae <wlanfae@realtek.com>
23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
24 * Hsinchu 300, Taiwan.
25 *
26 * Larry Finger <Larry.Finger@lwfinger.net>
27 *
28 *****************************************************************************/
29
30 #include "../wifi.h"
31 #include "../pci.h"
32 #include "../ps.h"
33 #include "reg.h"
34 #include "def.h"
35 #include "hw.h"
36 #include "phy.h"
37 #include "rf.h"
38 #include "dm.h"
39 #include "table.h"
40
41 static bool _rtl92c_phy_config_mac_with_headerfile(struct ieee80211_hw *hw);
42
43 u32 rtl92c_phy_query_rf_reg(struct ieee80211_hw *hw,
44 enum radio_path rfpath, u32 regaddr, u32 bitmask)
45 {
46 struct rtl_priv *rtlpriv = rtl_priv(hw);
47 u32 original_value, readback_value, bitshift;
48 struct rtl_phy *rtlphy = &(rtlpriv->phy);
49
50 RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE, ("regaddr(%#x), "
51 "rfpath(%#x), bitmask(%#x)\n",
52 regaddr, rfpath, bitmask));
53
54 spin_lock(&rtlpriv->locks.rf_lock);
55
56 if (rtlphy->rf_mode != RF_OP_BY_FW) {
57 original_value = _rtl92c_phy_rf_serial_read(hw,
58 rfpath, regaddr);
59 } else {
60 original_value = _rtl92c_phy_fw_rf_serial_read(hw,
61 rfpath, regaddr);
62 }
63
64 bitshift = _rtl92c_phy_calculate_bit_shift(bitmask);
65 readback_value = (original_value & bitmask) >> bitshift;
66
67 spin_unlock(&rtlpriv->locks.rf_lock);
68
69 RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
70 ("regaddr(%#x), rfpath(%#x), "
71 "bitmask(%#x), original_value(%#x)\n",
72 regaddr, rfpath, bitmask, original_value));
73
74 return readback_value;
75 }
76
77 bool rtl92c_phy_mac_config(struct ieee80211_hw *hw)
78 {
79 struct rtl_priv *rtlpriv = rtl_priv(hw);
80 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
81 bool is92c = IS_92C_SERIAL(rtlhal->version);
82 bool rtstatus = _rtl92c_phy_config_mac_with_headerfile(hw);
83
84 if (is92c)
85 rtl_write_byte(rtlpriv, 0x14, 0x71);
86 return rtstatus;
87 }
88
89 bool rtl92c_phy_bb_config(struct ieee80211_hw *hw)
90 {
91 bool rtstatus = true;
92 struct rtl_priv *rtlpriv = rtl_priv(hw);
93 u16 regval;
94 u32 regvaldw;
95 u8 reg_hwparafile = 1;
96
97 _rtl92c_phy_init_bb_rf_register_definition(hw);
98 regval = rtl_read_word(rtlpriv, REG_SYS_FUNC_EN);
99 rtl_write_word(rtlpriv, REG_SYS_FUNC_EN,
100 regval | BIT(13) | BIT(0) | BIT(1));
101 rtl_write_byte(rtlpriv, REG_AFE_PLL_CTRL, 0x83);
102 rtl_write_byte(rtlpriv, REG_AFE_PLL_CTRL + 1, 0xdb);
103 rtl_write_byte(rtlpriv, REG_RF_CTRL, RF_EN | RF_RSTB | RF_SDMRSTB);
104 rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN,
105 FEN_PPLL | FEN_PCIEA | FEN_DIO_PCIE |
106 FEN_BB_GLB_RSTn | FEN_BBRSTB);
107 rtl_write_byte(rtlpriv, REG_AFE_XTAL_CTRL + 1, 0x80);
108 regvaldw = rtl_read_dword(rtlpriv, REG_LEDCFG0);
109 rtl_write_dword(rtlpriv, REG_LEDCFG0, regvaldw | BIT(23));
110 if (reg_hwparafile == 1)
111 rtstatus = _rtl92c_phy_bb8192c_config_parafile(hw);
112 return rtstatus;
113 }
114
115 void rtl92ce_phy_set_rf_reg(struct ieee80211_hw *hw,
116 enum radio_path rfpath,
117 u32 regaddr, u32 bitmask, u32 data)
118 {
119 struct rtl_priv *rtlpriv = rtl_priv(hw);
120 struct rtl_phy *rtlphy = &(rtlpriv->phy);
121 u32 original_value, bitshift;
122
123 RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
124 ("regaddr(%#x), bitmask(%#x), data(%#x), rfpath(%#x)\n",
125 regaddr, bitmask, data, rfpath));
126
127 spin_lock(&rtlpriv->locks.rf_lock);
128
129 if (rtlphy->rf_mode != RF_OP_BY_FW) {
130 if (bitmask != RFREG_OFFSET_MASK) {
131 original_value = _rtl92c_phy_rf_serial_read(hw,
132 rfpath,
133 regaddr);
134 bitshift = _rtl92c_phy_calculate_bit_shift(bitmask);
135 data =
136 ((original_value & (~bitmask)) |
137 (data << bitshift));
138 }
139
140 _rtl92c_phy_rf_serial_write(hw, rfpath, regaddr, data);
141 } else {
142 if (bitmask != RFREG_OFFSET_MASK) {
143 original_value = _rtl92c_phy_fw_rf_serial_read(hw,
144 rfpath,
145 regaddr);
146 bitshift = _rtl92c_phy_calculate_bit_shift(bitmask);
147 data =
148 ((original_value & (~bitmask)) |
149 (data << bitshift));
150 }
151 _rtl92c_phy_fw_rf_serial_write(hw, rfpath, regaddr, data);
152 }
153
154 spin_unlock(&rtlpriv->locks.rf_lock);
155
156 RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE, ("regaddr(%#x), "
157 "bitmask(%#x), data(%#x), "
158 "rfpath(%#x)\n", regaddr,
159 bitmask, data, rfpath));
160 }
161
162 static bool _rtl92c_phy_config_mac_with_headerfile(struct ieee80211_hw *hw)
163 {
164 struct rtl_priv *rtlpriv = rtl_priv(hw);
165 u32 i;
166 u32 arraylength;
167 u32 *ptrarray;
168
169 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, ("Read Rtl819XMACPHY_Array\n"));
170 arraylength = MAC_2T_ARRAYLENGTH;
171 ptrarray = RTL8192CEMAC_2T_ARRAY;
172 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
173 ("Img:RTL8192CEMAC_2T_ARRAY\n"));
174 for (i = 0; i < arraylength; i = i + 2)
175 rtl_write_byte(rtlpriv, ptrarray[i], (u8) ptrarray[i + 1]);
176 return true;
177 }
178
179 bool _rtl92ce_phy_config_bb_with_headerfile(struct ieee80211_hw *hw,
180 u8 configtype)
181 {
182 int i;
183 u32 *phy_regarray_table;
184 u32 *agctab_array_table;
185 u16 phy_reg_arraylen, agctab_arraylen;
186 struct rtl_priv *rtlpriv = rtl_priv(hw);
187 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
188
189 if (IS_92C_SERIAL(rtlhal->version)) {
190 agctab_arraylen = AGCTAB_2TARRAYLENGTH;
191 agctab_array_table = RTL8192CEAGCTAB_2TARRAY;
192 phy_reg_arraylen = PHY_REG_2TARRAY_LENGTH;
193 phy_regarray_table = RTL8192CEPHY_REG_2TARRAY;
194 } else {
195 agctab_arraylen = AGCTAB_1TARRAYLENGTH;
196 agctab_array_table = RTL8192CEAGCTAB_1TARRAY;
197 phy_reg_arraylen = PHY_REG_1TARRAY_LENGTH;
198 phy_regarray_table = RTL8192CEPHY_REG_1TARRAY;
199 }
200 if (configtype == BASEBAND_CONFIG_PHY_REG) {
201 for (i = 0; i < phy_reg_arraylen; i = i + 2) {
202 if (phy_regarray_table[i] == 0xfe)
203 mdelay(50);
204 else if (phy_regarray_table[i] == 0xfd)
205 mdelay(5);
206 else if (phy_regarray_table[i] == 0xfc)
207 mdelay(1);
208 else if (phy_regarray_table[i] == 0xfb)
209 udelay(50);
210 else if (phy_regarray_table[i] == 0xfa)
211 udelay(5);
212 else if (phy_regarray_table[i] == 0xf9)
213 udelay(1);
214 rtl_set_bbreg(hw, phy_regarray_table[i], MASKDWORD,
215 phy_regarray_table[i + 1]);
216 udelay(1);
217 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
218 ("The phy_regarray_table[0] is %x"
219 " Rtl819XPHY_REGArray[1] is %x\n",
220 phy_regarray_table[i],
221 phy_regarray_table[i + 1]));
222 }
223 } else if (configtype == BASEBAND_CONFIG_AGC_TAB) {
224 for (i = 0; i < agctab_arraylen; i = i + 2) {
225 rtl_set_bbreg(hw, agctab_array_table[i], MASKDWORD,
226 agctab_array_table[i + 1]);
227 udelay(1);
228 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
229 ("The agctab_array_table[0] is "
230 "%x Rtl819XPHY_REGArray[1] is %x\n",
231 agctab_array_table[i],
232 agctab_array_table[i + 1]));
233 }
234 }
235 return true;
236 }
237
238 bool _rtl92ce_phy_config_bb_with_pgheaderfile(struct ieee80211_hw *hw,
239 u8 configtype)
240 {
241 struct rtl_priv *rtlpriv = rtl_priv(hw);
242 int i;
243 u32 *phy_regarray_table_pg;
244 u16 phy_regarray_pg_len;
245
246 phy_regarray_pg_len = PHY_REG_ARRAY_PGLENGTH;
247 phy_regarray_table_pg = RTL8192CEPHY_REG_ARRAY_PG;
248
249 if (configtype == BASEBAND_CONFIG_PHY_REG) {
250 for (i = 0; i < phy_regarray_pg_len; i = i + 3) {
251 if (phy_regarray_table_pg[i] == 0xfe)
252 mdelay(50);
253 else if (phy_regarray_table_pg[i] == 0xfd)
254 mdelay(5);
255 else if (phy_regarray_table_pg[i] == 0xfc)
256 mdelay(1);
257 else if (phy_regarray_table_pg[i] == 0xfb)
258 udelay(50);
259 else if (phy_regarray_table_pg[i] == 0xfa)
260 udelay(5);
261 else if (phy_regarray_table_pg[i] == 0xf9)
262 udelay(1);
263
264 _rtl92c_store_pwrIndex_diffrate_offset(hw,
265 phy_regarray_table_pg[i],
266 phy_regarray_table_pg[i + 1],
267 phy_regarray_table_pg[i + 2]);
268 }
269 } else {
270
271 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
272 ("configtype != BaseBand_Config_PHY_REG\n"));
273 }
274 return true;
275 }
276
277 bool rtl92c_phy_config_rf_with_headerfile(struct ieee80211_hw *hw,
278 enum radio_path rfpath)
279 {
280
281 int i;
282 u32 *radioa_array_table;
283 u32 *radiob_array_table;
284 u16 radioa_arraylen, radiob_arraylen;
285 struct rtl_priv *rtlpriv = rtl_priv(hw);
286 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
287
288 if (IS_92C_SERIAL(rtlhal->version)) {
289 radioa_arraylen = RADIOA_2TARRAYLENGTH;
290 radioa_array_table = RTL8192CERADIOA_2TARRAY;
291 radiob_arraylen = RADIOB_2TARRAYLENGTH;
292 radiob_array_table = RTL8192CE_RADIOB_2TARRAY;
293 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
294 ("Radio_A:RTL8192CERADIOA_2TARRAY\n"));
295 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
296 ("Radio_B:RTL8192CE_RADIOB_2TARRAY\n"));
297 } else {
298 radioa_arraylen = RADIOA_1TARRAYLENGTH;
299 radioa_array_table = RTL8192CE_RADIOA_1TARRAY;
300 radiob_arraylen = RADIOB_1TARRAYLENGTH;
301 radiob_array_table = RTL8192CE_RADIOB_1TARRAY;
302 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
303 ("Radio_A:RTL8192CE_RADIOA_1TARRAY\n"));
304 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
305 ("Radio_B:RTL8192CE_RADIOB_1TARRAY\n"));
306 }
307 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, ("Radio No %x\n", rfpath));
308 switch (rfpath) {
309 case RF90_PATH_A:
310 for (i = 0; i < radioa_arraylen; i = i + 2) {
311 if (radioa_array_table[i] == 0xfe)
312 mdelay(50);
313 else if (radioa_array_table[i] == 0xfd)
314 mdelay(5);
315 else if (radioa_array_table[i] == 0xfc)
316 mdelay(1);
317 else if (radioa_array_table[i] == 0xfb)
318 udelay(50);
319 else if (radioa_array_table[i] == 0xfa)
320 udelay(5);
321 else if (radioa_array_table[i] == 0xf9)
322 udelay(1);
323 else {
324 rtl_set_rfreg(hw, rfpath, radioa_array_table[i],
325 RFREG_OFFSET_MASK,
326 radioa_array_table[i + 1]);
327 udelay(1);
328 }
329 }
330 break;
331 case RF90_PATH_B:
332 for (i = 0; i < radiob_arraylen; i = i + 2) {
333 if (radiob_array_table[i] == 0xfe) {
334 mdelay(50);
335 } else if (radiob_array_table[i] == 0xfd)
336 mdelay(5);
337 else if (radiob_array_table[i] == 0xfc)
338 mdelay(1);
339 else if (radiob_array_table[i] == 0xfb)
340 udelay(50);
341 else if (radiob_array_table[i] == 0xfa)
342 udelay(5);
343 else if (radiob_array_table[i] == 0xf9)
344 udelay(1);
345 else {
346 rtl_set_rfreg(hw, rfpath, radiob_array_table[i],
347 RFREG_OFFSET_MASK,
348 radiob_array_table[i + 1]);
349 udelay(1);
350 }
351 }
352 break;
353 case RF90_PATH_C:
354 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
355 ("switch case not process\n"));
356 break;
357 case RF90_PATH_D:
358 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
359 ("switch case not process\n"));
360 break;
361 }
362 return true;
363 }
364
365 void rtl92ce_phy_set_bw_mode_callback(struct ieee80211_hw *hw)
366 {
367 struct rtl_priv *rtlpriv = rtl_priv(hw);
368 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
369 struct rtl_phy *rtlphy = &(rtlpriv->phy);
370 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
371 u8 reg_bw_opmode;
372 u8 reg_prsr_rsc;
373
374 RT_TRACE(rtlpriv, COMP_SCAN, DBG_TRACE,
375 ("Switch to %s bandwidth\n",
376 rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20 ?
377 "20MHz" : "40MHz"))
378
379 if (is_hal_stop(rtlhal)) {
380 rtlphy->set_bwmode_inprogress = false;
381 return;
382 }
383
384 reg_bw_opmode = rtl_read_byte(rtlpriv, REG_BWOPMODE);
385 reg_prsr_rsc = rtl_read_byte(rtlpriv, REG_RRSR + 2);
386
387 switch (rtlphy->current_chan_bw) {
388 case HT_CHANNEL_WIDTH_20:
389 reg_bw_opmode |= BW_OPMODE_20MHZ;
390 rtl_write_byte(rtlpriv, REG_BWOPMODE, reg_bw_opmode);
391 break;
392 case HT_CHANNEL_WIDTH_20_40:
393 reg_bw_opmode &= ~BW_OPMODE_20MHZ;
394 rtl_write_byte(rtlpriv, REG_BWOPMODE, reg_bw_opmode);
395 reg_prsr_rsc =
396 (reg_prsr_rsc & 0x90) | (mac->cur_40_prime_sc << 5);
397 rtl_write_byte(rtlpriv, REG_RRSR + 2, reg_prsr_rsc);
398 break;
399 default:
400 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
401 ("unknown bandwidth: %#X\n", rtlphy->current_chan_bw));
402 break;
403 }
404
405 switch (rtlphy->current_chan_bw) {
406 case HT_CHANNEL_WIDTH_20:
407 rtl_set_bbreg(hw, RFPGA0_RFMOD, BRFMOD, 0x0);
408 rtl_set_bbreg(hw, RFPGA1_RFMOD, BRFMOD, 0x0);
409 rtl_set_bbreg(hw, RFPGA0_ANALOGPARAMETER2, BIT(10), 1);
410 break;
411 case HT_CHANNEL_WIDTH_20_40:
412 rtl_set_bbreg(hw, RFPGA0_RFMOD, BRFMOD, 0x1);
413 rtl_set_bbreg(hw, RFPGA1_RFMOD, BRFMOD, 0x1);
414
415 rtl_set_bbreg(hw, RCCK0_SYSTEM, BCCK_SIDEBAND,
416 (mac->cur_40_prime_sc >> 1));
417 rtl_set_bbreg(hw, ROFDM1_LSTF, 0xC00, mac->cur_40_prime_sc);
418 rtl_set_bbreg(hw, RFPGA0_ANALOGPARAMETER2, BIT(10), 0);
419
420 rtl_set_bbreg(hw, 0x818, (BIT(26) | BIT(27)),
421 (mac->cur_40_prime_sc ==
422 HAL_PRIME_CHNL_OFFSET_LOWER) ? 2 : 1);
423 break;
424 default:
425 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
426 ("unknown bandwidth: %#X\n", rtlphy->current_chan_bw));
427 break;
428 }
429 rtl92ce_phy_rf6052_set_bandwidth(hw, rtlphy->current_chan_bw);
430 rtlphy->set_bwmode_inprogress = false;
431 RT_TRACE(rtlpriv, COMP_SCAN, DBG_TRACE, ("<==\n"));
432 }
433
434 void _rtl92ce_phy_lc_calibrate(struct ieee80211_hw *hw, bool is2t)
435 {
436 u8 tmpreg;
437 u32 rf_a_mode = 0, rf_b_mode = 0, lc_cal;
438 struct rtl_priv *rtlpriv = rtl_priv(hw);
439
440 tmpreg = rtl_read_byte(rtlpriv, 0xd03);
441
442 if ((tmpreg & 0x70) != 0)
443 rtl_write_byte(rtlpriv, 0xd03, tmpreg & 0x8F);
444 else
445 rtl_write_byte(rtlpriv, REG_TXPAUSE, 0xFF);
446
447 if ((tmpreg & 0x70) != 0) {
448 rf_a_mode = rtl_get_rfreg(hw, RF90_PATH_A, 0x00, MASK12BITS);
449
450 if (is2t)
451 rf_b_mode = rtl_get_rfreg(hw, RF90_PATH_B, 0x00,
452 MASK12BITS);
453
454 rtl_set_rfreg(hw, RF90_PATH_A, 0x00, MASK12BITS,
455 (rf_a_mode & 0x8FFFF) | 0x10000);
456
457 if (is2t)
458 rtl_set_rfreg(hw, RF90_PATH_B, 0x00, MASK12BITS,
459 (rf_b_mode & 0x8FFFF) | 0x10000);
460 }
461 lc_cal = rtl_get_rfreg(hw, RF90_PATH_A, 0x18, MASK12BITS);
462
463 rtl_set_rfreg(hw, RF90_PATH_A, 0x18, MASK12BITS, lc_cal | 0x08000);
464
465 mdelay(100);
466
467 if ((tmpreg & 0x70) != 0) {
468 rtl_write_byte(rtlpriv, 0xd03, tmpreg);
469 rtl_set_rfreg(hw, RF90_PATH_A, 0x00, MASK12BITS, rf_a_mode);
470
471 if (is2t)
472 rtl_set_rfreg(hw, RF90_PATH_B, 0x00, MASK12BITS,
473 rf_b_mode);
474 } else {
475 rtl_write_byte(rtlpriv, REG_TXPAUSE, 0x00);
476 }
477 }
478
479 static void _rtl92ce_phy_set_rf_sleep(struct ieee80211_hw *hw)
480 {
481 u32 u4b_tmp;
482 u8 delay = 5;
483 struct rtl_priv *rtlpriv = rtl_priv(hw);
484
485 rtl_write_byte(rtlpriv, REG_TXPAUSE, 0xFF);
486 rtl_set_rfreg(hw, RF90_PATH_A, 0x00, RFREG_OFFSET_MASK, 0x00);
487 rtl_write_byte(rtlpriv, REG_APSD_CTRL, 0x40);
488 u4b_tmp = rtl_get_rfreg(hw, RF90_PATH_A, 0, RFREG_OFFSET_MASK);
489 while (u4b_tmp != 0 && delay > 0) {
490 rtl_write_byte(rtlpriv, REG_APSD_CTRL, 0x0);
491 rtl_set_rfreg(hw, RF90_PATH_A, 0x00, RFREG_OFFSET_MASK, 0x00);
492 rtl_write_byte(rtlpriv, REG_APSD_CTRL, 0x40);
493 u4b_tmp = rtl_get_rfreg(hw, RF90_PATH_A, 0, RFREG_OFFSET_MASK);
494 delay--;
495 }
496 if (delay == 0) {
497 rtl_write_byte(rtlpriv, REG_APSD_CTRL, 0x00);
498 rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN, 0xE2);
499 rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN, 0xE3);
500 rtl_write_byte(rtlpriv, REG_TXPAUSE, 0x00);
501 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
502 ("Switch RF timeout !!!.\n"));
503 return;
504 }
505 rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN, 0xE2);
506 rtl_write_byte(rtlpriv, REG_SPS0_CTRL, 0x22);
507 }
508
509 static bool _rtl92ce_phy_set_rf_power_state(struct ieee80211_hw *hw,
510 enum rf_pwrstate rfpwr_state)
511 {
512 struct rtl_priv *rtlpriv = rtl_priv(hw);
513 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
514 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
515 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
516 bool bresult = true;
517 u8 i, queue_id;
518 struct rtl8192_tx_ring *ring = NULL;
519
520 switch (rfpwr_state) {
521 case ERFON:{
522 if ((ppsc->rfpwr_state == ERFOFF) &&
523 RT_IN_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC)) {
524 bool rtstatus;
525 u32 InitializeCount = 0;
526 do {
527 InitializeCount++;
528 RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
529 ("IPS Set eRf nic enable\n"));
530 rtstatus = rtl_ps_enable_nic(hw);
531 } while ((rtstatus != true)
532 && (InitializeCount < 10));
533 RT_CLEAR_PS_LEVEL(ppsc,
534 RT_RF_OFF_LEVL_HALT_NIC);
535 } else {
536 RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
537 ("Set ERFON sleeped:%d ms\n",
538 jiffies_to_msecs(jiffies -
539 ppsc->
540 last_sleep_jiffies)));
541 ppsc->last_awake_jiffies = jiffies;
542 rtl92ce_phy_set_rf_on(hw);
543 }
544 if (mac->link_state == MAC80211_LINKED) {
545 rtlpriv->cfg->ops->led_control(hw,
546 LED_CTL_LINK);
547 } else {
548 rtlpriv->cfg->ops->led_control(hw,
549 LED_CTL_NO_LINK);
550 }
551 break;
552 }
553 case ERFOFF:{
554 if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_HALT_NIC) {
555 RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
556 ("IPS Set eRf nic disable\n"));
557 rtl_ps_disable_nic(hw);
558 RT_SET_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC);
559 } else {
560 if (ppsc->rfoff_reason == RF_CHANGE_BY_IPS) {
561 rtlpriv->cfg->ops->led_control(hw,
562 LED_CTL_NO_LINK);
563 } else {
564 rtlpriv->cfg->ops->led_control(hw,
565 LED_CTL_POWER_OFF);
566 }
567 }
568 break;
569 }
570 case ERFSLEEP:{
571 if (ppsc->rfpwr_state == ERFOFF)
572 return false;
573 for (queue_id = 0, i = 0;
574 queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
575 ring = &pcipriv->dev.tx_ring[queue_id];
576 if (skb_queue_len(&ring->queue) == 0) {
577 queue_id++;
578 continue;
579 } else {
580 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
581 ("eRf Off/Sleep: %d times "
582 "TcbBusyQueue[%d] =%d before "
583 "doze!\n", (i + 1), queue_id,
584 skb_queue_len(&ring->queue)));
585
586 udelay(10);
587 i++;
588 }
589 if (i >= MAX_DOZE_WAITING_TIMES_9x) {
590 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
591 ("\n ERFSLEEP: %d times "
592 "TcbBusyQueue[%d] = %d !\n",
593 MAX_DOZE_WAITING_TIMES_9x,
594 queue_id,
595 skb_queue_len(&ring->queue)));
596 break;
597 }
598 }
599 RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
600 ("Set ERFSLEEP awaked:%d ms\n",
601 jiffies_to_msecs(jiffies -
602 ppsc->last_awake_jiffies)));
603 ppsc->last_sleep_jiffies = jiffies;
604 _rtl92ce_phy_set_rf_sleep(hw);
605 break;
606 }
607 default:
608 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
609 ("switch case not process\n"));
610 bresult = false;
611 break;
612 }
613 if (bresult)
614 ppsc->rfpwr_state = rfpwr_state;
615 return bresult;
616 }
617
618 bool rtl92c_phy_set_rf_power_state(struct ieee80211_hw *hw,
619 enum rf_pwrstate rfpwr_state)
620 {
621 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
622
623 bool bresult = false;
624
625 if (rfpwr_state == ppsc->rfpwr_state)
626 return bresult;
627 bresult = _rtl92ce_phy_set_rf_power_state(hw, rfpwr_state);
628 return bresult;
629 }