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 
rtl92c_phy_query_rf_reg(struct ieee80211_hw * hw,enum radio_path rfpath,u32 regaddr,u32 bitmask)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 
rtl92c_phy_mac_config(struct ieee80211_hw * hw)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 
rtl92c_phy_bb_config(struct ieee80211_hw * hw)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 
rtl92ce_phy_set_rf_reg(struct ieee80211_hw * hw,enum radio_path rfpath,u32 regaddr,u32 bitmask,u32 data)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 
_rtl92c_phy_config_mac_with_headerfile(struct ieee80211_hw * hw)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 
_rtl92ce_phy_config_bb_with_headerfile(struct ieee80211_hw * hw,u8 configtype)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 
_rtl92ce_phy_config_bb_with_pgheaderfile(struct ieee80211_hw * hw,u8 configtype)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 
rtl92c_phy_config_rf_with_headerfile(struct ieee80211_hw * hw,enum radio_path rfpath)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 
rtl92ce_phy_set_bw_mode_callback(struct ieee80211_hw * hw)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 
_rtl92ce_phy_lc_calibrate(struct ieee80211_hw * hw,bool is2t)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 
_rtl92ce_phy_set_rf_sleep(struct ieee80211_hw * hw)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 
_rtl92ce_phy_set_rf_power_state(struct ieee80211_hw * hw,enum rf_pwrstate rfpwr_state)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 
rtl92c_phy_set_rf_power_state(struct ieee80211_hw * hw,enum rf_pwrstate rfpwr_state)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 }
630