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Merge tag 'firewire-update2' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee139...
[deliverable/linux.git] / drivers / net / wireless / realtek / rtlwifi / rtl8192ce / phy.c
CommitLineData
0c817338
LF		 1/******************************************************************************
2 *
9003a4ab 3 * Copyright(c) 2009-2012 Realtek Corporation.
0c817338
LF		 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"
25b13dbc 33#include "../core.h"
5c405b5c
JL		 34#include "reg.h"
35#include "def.h"
1472d3a8 36#include "hw.h"
5c405b5c 37#include "phy.h"
9f087a92 38#include "../rtl8192c/phy_common.h"
5c405b5c
JL		 39#include "rf.h"
40#include "dm.h"
9f087a92
LF		 41#include "../rtl8192c/dm_common.h"
42#include "../rtl8192c/fw_common.h"
5c405b5c 43#include "table.h"
0c817338 44
e0b5a507
C		 45static bool _rtl92c_phy_config_mac_with_headerfile(struct ieee80211_hw *hw);
46
47u32 rtl92c_phy_query_rf_reg(struct ieee80211_hw *hw,
0c817338
LF		 48 enum radio_path rfpath, u32 regaddr, u32 bitmask)
49{
50 struct rtl_priv *rtlpriv = rtl_priv(hw);
51 u32 original_value, readback_value, bitshift;
52 struct rtl_phy *rtlphy = &(rtlpriv->phy);
0c817338 53
f30d7507
JP		 54 RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
55 "regaddr(%#x), rfpath(%#x), bitmask(%#x)\n",
56 regaddr, rfpath, bitmask);
0c817338 57
312d5479 58 spin_lock(&rtlpriv->locks.rf_lock);
0c817338
LF		 59
60 if (rtlphy->rf_mode != RF_OP_BY_FW) {
61 original_value = _rtl92c_phy_rf_serial_read(hw,
62 rfpath, regaddr);
63 } else {
64 original_value = _rtl92c_phy_fw_rf_serial_read(hw,
65 rfpath, regaddr);
66 }
67
68 bitshift = _rtl92c_phy_calculate_bit_shift(bitmask);
69 readback_value = (original_value & bitmask) >> bitshift;
70
312d5479 71 spin_unlock(&rtlpriv->locks.rf_lock);
0c817338
LF		 72
73 RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
f30d7507
JP		 74 "regaddr(%#x), rfpath(%#x), bitmask(%#x), original_value(%#x)\n",
75 regaddr, rfpath, bitmask, original_value);
0c817338
LF		 76
77 return readback_value;
78}
79
e0b5a507
C		 80bool rtl92c_phy_mac_config(struct ieee80211_hw *hw)
81{
82 struct rtl_priv *rtlpriv = rtl_priv(hw);
83 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
84 bool is92c = IS_92C_SERIAL(rtlhal->version);
85 bool rtstatus = _rtl92c_phy_config_mac_with_headerfile(hw);
86
87 if (is92c)
88 rtl_write_byte(rtlpriv, 0x14, 0x71);
0bd899e7
LF		 89 else
90 rtl_write_byte(rtlpriv, 0x04CA, 0x0A);
e0b5a507
C		 91 return rtstatus;
92}
93
94bool rtl92c_phy_bb_config(struct ieee80211_hw *hw)
95{
96 bool rtstatus = true;
97 struct rtl_priv *rtlpriv = rtl_priv(hw);
98 u16 regval;
99 u32 regvaldw;
100 u8 reg_hwparafile = 1;
101
102 _rtl92c_phy_init_bb_rf_register_definition(hw);
103 regval = rtl_read_word(rtlpriv, REG_SYS_FUNC_EN);
104 rtl_write_word(rtlpriv, REG_SYS_FUNC_EN,
105 regval | BIT(13) | BIT(0) | BIT(1));
106 rtl_write_byte(rtlpriv, REG_AFE_PLL_CTRL, 0x83);
107 rtl_write_byte(rtlpriv, REG_AFE_PLL_CTRL + 1, 0xdb);
108 rtl_write_byte(rtlpriv, REG_RF_CTRL, RF_EN | RF_RSTB | RF_SDMRSTB);
109 rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN,
110 FEN_PPLL | FEN_PCIEA | FEN_DIO_PCIE |
111 FEN_BB_GLB_RSTn | FEN_BBRSTB);
112 rtl_write_byte(rtlpriv, REG_AFE_XTAL_CTRL + 1, 0x80);
113 regvaldw = rtl_read_dword(rtlpriv, REG_LEDCFG0);
114 rtl_write_dword(rtlpriv, REG_LEDCFG0, regvaldw | BIT(23));
115 if (reg_hwparafile == 1)
116 rtstatus = _rtl92c_phy_bb8192c_config_parafile(hw);
117 return rtstatus;
118}
119
1472d3a8 120void rtl92ce_phy_set_rf_reg(struct ieee80211_hw *hw,
e0b5a507
C		 121 enum radio_path rfpath,
122 u32 regaddr, u32 bitmask, u32 data)
0c817338
LF		 123{
124 struct rtl_priv *rtlpriv = rtl_priv(hw);
125 struct rtl_phy *rtlphy = &(rtlpriv->phy);
126 u32 original_value, bitshift;
0c817338
LF		 127
128 RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
f30d7507
JP		 129 "regaddr(%#x), bitmask(%#x), data(%#x), rfpath(%#x)\n",
130 regaddr, bitmask, data, rfpath);
0c817338 131
312d5479 132 spin_lock(&rtlpriv->locks.rf_lock);
0c817338
LF		 133
134 if (rtlphy->rf_mode != RF_OP_BY_FW) {
135 if (bitmask != RFREG_OFFSET_MASK) {
136 original_value = _rtl92c_phy_rf_serial_read(hw,
137 rfpath,
138 regaddr);
139 bitshift = _rtl92c_phy_calculate_bit_shift(bitmask);
140 data =
141 ((original_value & (~bitmask)) |
142 (data << bitshift));
143 }
144
145 _rtl92c_phy_rf_serial_write(hw, rfpath, regaddr, data);
146 } else {
147 if (bitmask != RFREG_OFFSET_MASK) {
148 original_value = _rtl92c_phy_fw_rf_serial_read(hw,
149 rfpath,
150 regaddr);
151 bitshift = _rtl92c_phy_calculate_bit_shift(bitmask);
152 data =
153 ((original_value & (~bitmask)) |
154 (data << bitshift));
155 }
156 _rtl92c_phy_fw_rf_serial_write(hw, rfpath, regaddr, data);
157 }
158
312d5479 159 spin_unlock(&rtlpriv->locks.rf_lock);
0c817338 160
f30d7507
JP		 161 RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
162 "regaddr(%#x), bitmask(%#x), data(%#x), rfpath(%#x)\n",
163 regaddr, bitmask, data, rfpath);
0c817338
LF		 164}
165
e0b5a507 166static bool _rtl92c_phy_config_mac_with_headerfile(struct ieee80211_hw *hw)
0c817338
LF		 167{
168 struct rtl_priv *rtlpriv = rtl_priv(hw);
169 u32 i;
170 u32 arraylength;
171 u32 *ptrarray;
172
f30d7507 173 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "Read Rtl819XMACPHY_Array\n");
0c817338
LF		 174 arraylength = MAC_2T_ARRAYLENGTH;
175 ptrarray = RTL8192CEMAC_2T_ARRAY;
f30d7507 176 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "Img:RTL8192CEMAC_2T_ARRAY\n");
0c817338
LF		 177 for (i = 0; i < arraylength; i = i + 2)
178 rtl_write_byte(rtlpriv, ptrarray[i], (u8) ptrarray[i + 1]);
179 return true;
180}
181
1472d3a8 182bool _rtl92ce_phy_config_bb_with_headerfile(struct ieee80211_hw *hw,
e0b5a507 183 u8 configtype)
0c817338
LF		 184{
185 int i;
186 u32 *phy_regarray_table;
187 u32 *agctab_array_table;
188 u16 phy_reg_arraylen, agctab_arraylen;
189 struct rtl_priv *rtlpriv = rtl_priv(hw);
190 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
191
192 if (IS_92C_SERIAL(rtlhal->version)) {
193 agctab_arraylen = AGCTAB_2TARRAYLENGTH;
194 agctab_array_table = RTL8192CEAGCTAB_2TARRAY;
195 phy_reg_arraylen = PHY_REG_2TARRAY_LENGTH;
196 phy_regarray_table = RTL8192CEPHY_REG_2TARRAY;
197 } else {
198 agctab_arraylen = AGCTAB_1TARRAYLENGTH;
199 agctab_array_table = RTL8192CEAGCTAB_1TARRAY;
200 phy_reg_arraylen = PHY_REG_1TARRAY_LENGTH;
201 phy_regarray_table = RTL8192CEPHY_REG_1TARRAY;
202 }
203 if (configtype == BASEBAND_CONFIG_PHY_REG) {
204 for (i = 0; i < phy_reg_arraylen; i = i + 2) {
25b13dbc 205 rtl_addr_delay(phy_regarray_table[i]);
0c817338
LF		 206 rtl_set_bbreg(hw, phy_regarray_table[i], MASKDWORD,
207 phy_regarray_table[i + 1]);
208 udelay(1);
209 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
f30d7507
JP		 210 "The phy_regarray_table[0] is %x Rtl819XPHY_REGArray[1] is %x\n",
211 phy_regarray_table[i],
212 phy_regarray_table[i + 1]);
0c817338 213 }
0c817338
LF		 214 } else if (configtype == BASEBAND_CONFIG_AGC_TAB) {
215 for (i = 0; i < agctab_arraylen; i = i + 2) {
216 rtl_set_bbreg(hw, agctab_array_table[i], MASKDWORD,
217 agctab_array_table[i + 1]);
218 udelay(1);
219 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
f30d7507
JP		 220 "The agctab_array_table[0] is %x Rtl819XPHY_REGArray[1] is %x\n",
221 agctab_array_table[i],
222 agctab_array_table[i + 1]);
0c817338
LF		 223 }
224 }
225 return true;
226}
227
1472d3a8 228bool _rtl92ce_phy_config_bb_with_pgheaderfile(struct ieee80211_hw *hw,
e0b5a507 229 u8 configtype)
0c817338
LF		 230{
231 struct rtl_priv *rtlpriv = rtl_priv(hw);
232 int i;
233 u32 *phy_regarray_table_pg;
234 u16 phy_regarray_pg_len;
235
236 phy_regarray_pg_len = PHY_REG_ARRAY_PGLENGTH;
237 phy_regarray_table_pg = RTL8192CEPHY_REG_ARRAY_PG;
238
239 if (configtype == BASEBAND_CONFIG_PHY_REG) {
240 for (i = 0; i < phy_regarray_pg_len; i = i + 3) {
25b13dbc 241 rtl_addr_delay(phy_regarray_table_pg[i]);
0c817338
LF		 242
243 _rtl92c_store_pwrIndex_diffrate_offset(hw,
244 phy_regarray_table_pg[i],
245 phy_regarray_table_pg[i + 1],
246 phy_regarray_table_pg[i + 2]);
247 }
248 } else {
249
250 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
f30d7507 251 "configtype != BaseBand_Config_PHY_REG\n");
0c817338
LF		 252 }
253 return true;
254}
255
e0b5a507 256bool rtl92c_phy_config_rf_with_headerfile(struct ieee80211_hw *hw,
0c817338
LF		 257 enum radio_path rfpath)
258{
259
260 int i;
0c817338
LF		 261 u32 *radioa_array_table;
262 u32 *radiob_array_table;
263 u16 radioa_arraylen, radiob_arraylen;
264 struct rtl_priv *rtlpriv = rtl_priv(hw);
265 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
266
267 if (IS_92C_SERIAL(rtlhal->version)) {
268 radioa_arraylen = RADIOA_2TARRAYLENGTH;
269 radioa_array_table = RTL8192CERADIOA_2TARRAY;
270 radiob_arraylen = RADIOB_2TARRAYLENGTH;
271 radiob_array_table = RTL8192CE_RADIOB_2TARRAY;
272 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
f30d7507 273 "Radio_A:RTL8192CERADIOA_2TARRAY\n");
0c817338 274 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
f30d7507 275 "Radio_B:RTL8192CE_RADIOB_2TARRAY\n");
0c817338
LF		 276 } else {
277 radioa_arraylen = RADIOA_1TARRAYLENGTH;
278 radioa_array_table = RTL8192CE_RADIOA_1TARRAY;
279 radiob_arraylen = RADIOB_1TARRAYLENGTH;
280 radiob_array_table = RTL8192CE_RADIOB_1TARRAY;
281 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
f30d7507 282 "Radio_A:RTL8192CE_RADIOA_1TARRAY\n");
0c817338 283 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
f30d7507 284 "Radio_B:RTL8192CE_RADIOB_1TARRAY\n");
0c817338 285 }
f30d7507 286 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "Radio No %x\n", rfpath);
0c817338
LF		 287 switch (rfpath) {
288 case RF90_PATH_A:
289 for (i = 0; i < radioa_arraylen; i = i + 2) {
25b13dbc
LF		 290 rtl_rfreg_delay(hw, rfpath, radioa_array_table[i],
291 RFREG_OFFSET_MASK,
292 radioa_array_table[i + 1]);
0c817338 293 }
0c817338
LF		 294 break;
295 case RF90_PATH_B:
296 for (i = 0; i < radiob_arraylen; i = i + 2) {
25b13dbc
LF		 297 rtl_rfreg_delay(hw, rfpath, radiob_array_table[i],
298 RFREG_OFFSET_MASK,
299 radiob_array_table[i + 1]);
0c817338
LF		 300 }
301 break;
302 case RF90_PATH_C:
303 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
f30d7507 304 "switch case not processed\n");
0c817338
LF		 305 break;
306 case RF90_PATH_D:
307 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
f30d7507 308 "switch case not processed\n");
0c817338 309 break;
25b13dbc
LF		 310 default:
311 break;
0c817338
LF		 312 }
313 return true;
314}
315
099fb8ab
LF		 316void rtl92ce_phy_set_bw_mode_callback(struct ieee80211_hw *hw)
317{
318 struct rtl_priv *rtlpriv = rtl_priv(hw);
319 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
320 struct rtl_phy *rtlphy = &(rtlpriv->phy);
321 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
322 u8 reg_bw_opmode;
323 u8 reg_prsr_rsc;
324
f30d7507
JP		 325 RT_TRACE(rtlpriv, COMP_SCAN, DBG_TRACE, "Switch to %s bandwidth\n",
326 rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20 ?
327 "20MHz" : "40MHz");
099fb8ab
LF		 328
329 if (is_hal_stop(rtlhal)) {
330 rtlphy->set_bwmode_inprogress = false;
331 return;
332 }
333
334 reg_bw_opmode = rtl_read_byte(rtlpriv, REG_BWOPMODE);
335 reg_prsr_rsc = rtl_read_byte(rtlpriv, REG_RRSR + 2);
336
337 switch (rtlphy->current_chan_bw) {
338 case HT_CHANNEL_WIDTH_20:
339 reg_bw_opmode |= BW_OPMODE_20MHZ;
340 rtl_write_byte(rtlpriv, REG_BWOPMODE, reg_bw_opmode);
341 break;
342 case HT_CHANNEL_WIDTH_20_40:
343 reg_bw_opmode &= ~BW_OPMODE_20MHZ;
344 rtl_write_byte(rtlpriv, REG_BWOPMODE, reg_bw_opmode);
345 reg_prsr_rsc =
346 (reg_prsr_rsc & 0x90) | (mac->cur_40_prime_sc << 5);
347 rtl_write_byte(rtlpriv, REG_RRSR + 2, reg_prsr_rsc);
348 break;
349 default:
350 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
f30d7507 351 "unknown bandwidth: %#X\n", rtlphy->current_chan_bw);
099fb8ab
LF		 352 break;
353 }
354
355 switch (rtlphy->current_chan_bw) {
356 case HT_CHANNEL_WIDTH_20:
357 rtl_set_bbreg(hw, RFPGA0_RFMOD, BRFMOD, 0x0);
358 rtl_set_bbreg(hw, RFPGA1_RFMOD, BRFMOD, 0x0);
359 rtl_set_bbreg(hw, RFPGA0_ANALOGPARAMETER2, BIT(10), 1);
360 break;
361 case HT_CHANNEL_WIDTH_20_40:
362 rtl_set_bbreg(hw, RFPGA0_RFMOD, BRFMOD, 0x1);
363 rtl_set_bbreg(hw, RFPGA1_RFMOD, BRFMOD, 0x1);
364
365 rtl_set_bbreg(hw, RCCK0_SYSTEM, BCCK_SIDEBAND,
366 (mac->cur_40_prime_sc >> 1));
367 rtl_set_bbreg(hw, ROFDM1_LSTF, 0xC00, mac->cur_40_prime_sc);
368 rtl_set_bbreg(hw, RFPGA0_ANALOGPARAMETER2, BIT(10), 0);
369
370 rtl_set_bbreg(hw, 0x818, (BIT(26) | BIT(27)),
371 (mac->cur_40_prime_sc ==
372 HAL_PRIME_CHNL_OFFSET_LOWER) ? 2 : 1);
373 break;
374 default:
375 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
f30d7507 376 "unknown bandwidth: %#X\n", rtlphy->current_chan_bw);
099fb8ab
LF		 377 break;
378 }
379 rtl92ce_phy_rf6052_set_bandwidth(hw, rtlphy->current_chan_bw);
380 rtlphy->set_bwmode_inprogress = false;
f30d7507 381 RT_TRACE(rtlpriv, COMP_SCAN, DBG_TRACE, "<==\n");
099fb8ab
LF		 382}
383
1472d3a8 384void _rtl92ce_phy_lc_calibrate(struct ieee80211_hw *hw, bool is2t)
0c817338 385{
4295cd25
LF		 386 u8 tmpreg;
387 u32 rf_a_mode = 0, rf_b_mode = 0, lc_cal;
0c817338 388 struct rtl_priv *rtlpriv = rtl_priv(hw);
0c817338 389
4295cd25 390 tmpreg = rtl_read_byte(rtlpriv, 0xd03);
0c817338 391
4295cd25
LF		 392 if ((tmpreg & 0x70) != 0)
393 rtl_write_byte(rtlpriv, 0xd03, tmpreg & 0x8F);
394 else
395 rtl_write_byte(rtlpriv, REG_TXPAUSE, 0xFF);
0c817338 396
4295cd25
LF		 397 if ((tmpreg & 0x70) != 0) {
398 rf_a_mode = rtl_get_rfreg(hw, RF90_PATH_A, 0x00, MASK12BITS);
0c817338
LF		 399
400 if (is2t)
401 rf_b_mode = rtl_get_rfreg(hw, RF90_PATH_B, 0x00,
402 MASK12BITS);
403
404 rtl_set_rfreg(hw, RF90_PATH_A, 0x00, MASK12BITS,
405 (rf_a_mode & 0x8FFFF) | 0x10000);
406
407 if (is2t)
408 rtl_set_rfreg(hw, RF90_PATH_B, 0x00, MASK12BITS,
409 (rf_b_mode & 0x8FFFF) | 0x10000);
410 }
411 lc_cal = rtl_get_rfreg(hw, RF90_PATH_A, 0x18, MASK12BITS);
412
413 rtl_set_rfreg(hw, RF90_PATH_A, 0x18, MASK12BITS, lc_cal | 0x08000);
414
415 mdelay(100);
416
417 if ((tmpreg & 0x70) != 0) {
418 rtl_write_byte(rtlpriv, 0xd03, tmpreg);
419 rtl_set_rfreg(hw, RF90_PATH_A, 0x00, MASK12BITS, rf_a_mode);
420
421 if (is2t)
422 rtl_set_rfreg(hw, RF90_PATH_B, 0x00, MASK12BITS,
423 rf_b_mode);
424 } else {
425 rtl_write_byte(rtlpriv, REG_TXPAUSE, 0x00);
426 }
427}
428
e0b5a507
C		 429static void _rtl92ce_phy_set_rf_sleep(struct ieee80211_hw *hw)
430{
431 u32 u4b_tmp;
432 u8 delay = 5;
433 struct rtl_priv *rtlpriv = rtl_priv(hw);
434
435 rtl_write_byte(rtlpriv, REG_TXPAUSE, 0xFF);
436 rtl_set_rfreg(hw, RF90_PATH_A, 0x00, RFREG_OFFSET_MASK, 0x00);
437 rtl_write_byte(rtlpriv, REG_APSD_CTRL, 0x40);
438 u4b_tmp = rtl_get_rfreg(hw, RF90_PATH_A, 0, RFREG_OFFSET_MASK);
439 while (u4b_tmp != 0 && delay > 0) {
440 rtl_write_byte(rtlpriv, REG_APSD_CTRL, 0x0);
441 rtl_set_rfreg(hw, RF90_PATH_A, 0x00, RFREG_OFFSET_MASK, 0x00);
442 rtl_write_byte(rtlpriv, REG_APSD_CTRL, 0x40);
443 u4b_tmp = rtl_get_rfreg(hw, RF90_PATH_A, 0, RFREG_OFFSET_MASK);
444 delay--;
445 }
446 if (delay == 0) {
447 rtl_write_byte(rtlpriv, REG_APSD_CTRL, 0x00);
448 rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN, 0xE2);
449 rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN, 0xE3);
450 rtl_write_byte(rtlpriv, REG_TXPAUSE, 0x00);
451 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
f30d7507 452 "Switch RF timeout !!!\n");
e0b5a507
C		 453 return;
454 }
455 rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN, 0xE2);
456 rtl_write_byte(rtlpriv, REG_SPS0_CTRL, 0x22);
457}
458
0c817338
LF		 459static bool _rtl92ce_phy_set_rf_power_state(struct ieee80211_hw *hw,
460 enum rf_pwrstate rfpwr_state)
461{
462 struct rtl_priv *rtlpriv = rtl_priv(hw);
463 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
464 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
465 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
466 bool bresult = true;
467 u8 i, queue_id;
468 struct rtl8192_tx_ring *ring = NULL;
469
0c817338
LF		 470 switch (rfpwr_state) {
471 case ERFON:{
472 if ((ppsc->rfpwr_state == ERFOFF) &&
473 RT_IN_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC)) {
474 bool rtstatus;
475 u32 InitializeCount = 0;
476 do {
477 InitializeCount++;
478 RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
f30d7507 479 "IPS Set eRf nic enable\n");
0c817338 480 rtstatus = rtl_ps_enable_nic(hw);
23677ce3 481 } while (!rtstatus && (InitializeCount < 10));
0c817338
LF		 482 RT_CLEAR_PS_LEVEL(ppsc,
483 RT_RF_OFF_LEVL_HALT_NIC);
484 } else {
485 RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
f30d7507
JP		 486 "Set ERFON sleeped:%d ms\n",
487 jiffies_to_msecs(jiffies -
488 ppsc->
489 last_sleep_jiffies));
0c817338
LF		 490 ppsc->last_awake_jiffies = jiffies;
491 rtl92ce_phy_set_rf_on(hw);
492 }
493 if (mac->link_state == MAC80211_LINKED) {
494 rtlpriv->cfg->ops->led_control(hw,
495 LED_CTL_LINK);
496 } else {
497 rtlpriv->cfg->ops->led_control(hw,
498 LED_CTL_NO_LINK);
499 }
500 break;
501 }
502 case ERFOFF:{
0c817338
LF		 503 if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_HALT_NIC) {
504 RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
f30d7507 505 "IPS Set eRf nic disable\n");
0c817338
LF		 506 rtl_ps_disable_nic(hw);
507 RT_SET_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC);
508 } else {
509 if (ppsc->rfoff_reason == RF_CHANGE_BY_IPS) {
510 rtlpriv->cfg->ops->led_control(hw,
511 LED_CTL_NO_LINK);
512 } else {
513 rtlpriv->cfg->ops->led_control(hw,
514 LED_CTL_POWER_OFF);
515 }
516 }
517 break;
518 }
519 case ERFSLEEP:{
520 if (ppsc->rfpwr_state == ERFOFF)
99057920 521 break;
0c817338
LF		 522 for (queue_id = 0, i = 0;
523 queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
524 ring = &pcipriv->dev.tx_ring[queue_id];
99057920
LF		 525 if (queue_id == BEACON_QUEUE ||
526 skb_queue_len(&ring->queue) == 0) {
0c817338
LF		 527 queue_id++;
528 continue;
529 } else {
530 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
f30d7507
JP		 531 "eRf Off/Sleep: %d times TcbBusyQueue[%d] =%d before doze!\n",
532 i + 1, queue_id,
533 skb_queue_len(&ring->queue));
e0b5a507 534
0c817338
LF		 535 udelay(10);
536 i++;
537 }
538 if (i >= MAX_DOZE_WAITING_TIMES_9x) {
539 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
f30d7507
JP		 540 "ERFSLEEP: %d times TcbBusyQueue[%d] = %d !\n",
541 MAX_DOZE_WAITING_TIMES_9x,
542 queue_id,
543 skb_queue_len(&ring->queue));
0c817338
LF		 544 break;
545 }
546 }
547 RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
f30d7507
JP		 548 "Set ERFSLEEP awaked:%d ms\n",
549 jiffies_to_msecs(jiffies -
550 ppsc->last_awake_jiffies));
0c817338 551 ppsc->last_sleep_jiffies = jiffies;
e0b5a507 552 _rtl92ce_phy_set_rf_sleep(hw);
0c817338
LF		 553 break;
554 }
555 default:
556 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
f30d7507 557 "switch case not processed\n");
0c817338
LF		 558 bresult = false;
559 break;
560 }
561 if (bresult)
562 ppsc->rfpwr_state = rfpwr_state;
0c817338
LF		 563 return bresult;
564}
565
e0b5a507 566bool rtl92c_phy_set_rf_power_state(struct ieee80211_hw *hw,
0c817338
LF		 567 enum rf_pwrstate rfpwr_state)
568{
569 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
e0b5a507 570
0c817338
LF		 571 bool bresult = false;
572
573 if (rfpwr_state == ppsc->rfpwr_state)
574 return bresult;
575 bresult = _rtl92ce_phy_set_rf_power_state(hw, rfpwr_state);
576 return bresult;
577}
Linux kernel - Deliverables
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