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  * The full GNU General Public License is included in this distribution in the
15  * file called LICENSE.
16  *
17  * Contact Information:
18  * wlanfae <wlanfae@realtek.com>
19  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
20  * Hsinchu 300, Taiwan.
21  *
22  * Larry Finger <Larry.Finger@lwfinger.net>
23  *
24  *****************************************************************************/
25 
26 #include "../wifi.h"
27 #include "../pci.h"
28 #include "../ps.h"
29 #include "../core.h"
30 #include "reg.h"
31 #include "def.h"
32 #include "phy.h"
33 #include "../rtl8192c/phy_common.h"
34 #include "rf.h"
35 #include "dm.h"
36 #include "../rtl8192c/dm_common.h"
37 #include "../rtl8192c/fw_common.h"
38 #include "table.h"
39 
40 u32 rtl92cu_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 
47 	RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
48 		 "regaddr(%#x), rfpath(%#x), bitmask(%#x)\n",
49 		 regaddr, rfpath, bitmask);
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 	RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
60 		 "regaddr(%#x), rfpath(%#x), bitmask(%#x), original_value(%#x)\n",
61 		 regaddr, rfpath, bitmask, original_value);
62 	return readback_value;
63 }
64 
65 void rtl92cu_phy_set_rf_reg(struct ieee80211_hw *hw,
66 			    enum radio_path rfpath,
67 			    u32 regaddr, u32 bitmask, u32 data)
68 {
69 	struct rtl_priv *rtlpriv = rtl_priv(hw);
70 	struct rtl_phy *rtlphy = &(rtlpriv->phy);
71 	u32 original_value, bitshift;
72 
73 	RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
74 		 "regaddr(%#x), bitmask(%#x), data(%#x), rfpath(%#x)\n",
75 		 regaddr, bitmask, data, rfpath);
76 	if (rtlphy->rf_mode != RF_OP_BY_FW) {
77 		if (bitmask != RFREG_OFFSET_MASK) {
78 			original_value = _rtl92c_phy_rf_serial_read(hw,
79 								    rfpath,
80 								    regaddr);
81 			bitshift = _rtl92c_phy_calculate_bit_shift(bitmask);
82 			data =
83 			    ((original_value & (~bitmask)) |
84 			     (data << bitshift));
85 		}
86 		_rtl92c_phy_rf_serial_write(hw, rfpath, regaddr, data);
87 	} else {
88 		if (bitmask != RFREG_OFFSET_MASK) {
89 			original_value = _rtl92c_phy_fw_rf_serial_read(hw,
90 								       rfpath,
91 								       regaddr);
92 			bitshift = _rtl92c_phy_calculate_bit_shift(bitmask);
93 			data =
94 			    ((original_value & (~bitmask)) |
95 			     (data << bitshift));
96 		}
97 		_rtl92c_phy_fw_rf_serial_write(hw, rfpath, regaddr, data);
98 	}
99 	RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
100 		 "regaddr(%#x), bitmask(%#x), data(%#x), rfpath(%#x)\n",
101 		 regaddr, bitmask, data, rfpath);
102 }
103 
104 bool rtl92cu_phy_mac_config(struct ieee80211_hw *hw)
105 {
106 	bool rtstatus;
107 
108 	rtstatus = _rtl92cu_phy_config_mac_with_headerfile(hw);
109 	return rtstatus;
110 }
111 
112 bool rtl92cu_phy_bb_config(struct ieee80211_hw *hw)
113 {
114 	bool rtstatus = true;
115 	struct rtl_priv *rtlpriv = rtl_priv(hw);
116 	u16 regval;
117 	u32 regval32;
118 	u8 b_reg_hwparafile = 1;
119 
120 	_rtl92c_phy_init_bb_rf_register_definition(hw);
121 	regval = rtl_read_word(rtlpriv, REG_SYS_FUNC_EN);
122 	rtl_write_word(rtlpriv, REG_SYS_FUNC_EN, regval | BIT(13) |
123 		       BIT(0) | BIT(1));
124 	rtl_write_byte(rtlpriv, REG_AFE_PLL_CTRL, 0x83);
125 	rtl_write_byte(rtlpriv, REG_AFE_PLL_CTRL + 1, 0xdb);
126 	rtl_write_byte(rtlpriv, REG_RF_CTRL, RF_EN | RF_RSTB | RF_SDMRSTB);
127 	rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN, FEN_USBA | FEN_USBD |
128 		       FEN_BB_GLB_RSTn | FEN_BBRSTB);
129 	regval32 = rtl_read_dword(rtlpriv, 0x87c);
130 	rtl_write_dword(rtlpriv, 0x87c, regval32 & (~BIT(31)));
131 	rtl_write_byte(rtlpriv, REG_LDOHCI12_CTRL, 0x0f);
132 	rtl_write_byte(rtlpriv, REG_AFE_XTAL_CTRL + 1, 0x80);
133 	if (b_reg_hwparafile == 1)
134 		rtstatus = _rtl92c_phy_bb8192c_config_parafile(hw);
135 	return rtstatus;
136 }
137 
138 bool _rtl92cu_phy_config_mac_with_headerfile(struct ieee80211_hw *hw)
139 {
140 	struct rtl_priv *rtlpriv = rtl_priv(hw);
141 	struct rtl_phy *rtlphy = &(rtlpriv->phy);
142 	u32 i;
143 	u32 arraylength;
144 	u32 *ptrarray;
145 
146 	RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "Read Rtl819XMACPHY_Array\n");
147 	arraylength =  rtlphy->hwparam_tables[MAC_REG].length ;
148 	ptrarray = rtlphy->hwparam_tables[MAC_REG].pdata;
149 	RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "Img:RTL8192CUMAC_2T_ARRAY\n");
150 	for (i = 0; i < arraylength; i = i + 2)
151 		rtl_write_byte(rtlpriv, ptrarray[i], (u8) ptrarray[i + 1]);
152 	return true;
153 }
154 
155 bool _rtl92cu_phy_config_bb_with_headerfile(struct ieee80211_hw *hw,
156 					    u8 configtype)
157 {
158 	int i;
159 	u32 *phy_regarray_table;
160 	u32 *agctab_array_table;
161 	u16 phy_reg_arraylen, agctab_arraylen;
162 	struct rtl_priv *rtlpriv = rtl_priv(hw);
163 	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
164 	struct rtl_phy *rtlphy = &(rtlpriv->phy);
165 
166 	if (IS_92C_SERIAL(rtlhal->version)) {
167 		agctab_arraylen = rtlphy->hwparam_tables[AGCTAB_2T].length;
168 		agctab_array_table =  rtlphy->hwparam_tables[AGCTAB_2T].pdata;
169 		phy_reg_arraylen = rtlphy->hwparam_tables[PHY_REG_2T].length;
170 		phy_regarray_table = rtlphy->hwparam_tables[PHY_REG_2T].pdata;
171 	} else {
172 		agctab_arraylen = rtlphy->hwparam_tables[AGCTAB_1T].length;
173 		agctab_array_table =  rtlphy->hwparam_tables[AGCTAB_1T].pdata;
174 		phy_reg_arraylen = rtlphy->hwparam_tables[PHY_REG_1T].length;
175 		phy_regarray_table = rtlphy->hwparam_tables[PHY_REG_1T].pdata;
176 	}
177 	if (configtype == BASEBAND_CONFIG_PHY_REG) {
178 		for (i = 0; i < phy_reg_arraylen; i = i + 2) {
179 			rtl_addr_delay(phy_regarray_table[i]);
180 			rtl_set_bbreg(hw, phy_regarray_table[i], MASKDWORD,
181 				      phy_regarray_table[i + 1]);
182 			udelay(1);
183 			RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
184 				 "The phy_regarray_table[0] is %x Rtl819XPHY_REGArray[1] is %x\n",
185 				 phy_regarray_table[i],
186 				 phy_regarray_table[i + 1]);
187 		}
188 	} else if (configtype == BASEBAND_CONFIG_AGC_TAB) {
189 		for (i = 0; i < agctab_arraylen; i = i + 2) {
190 			rtl_set_bbreg(hw, agctab_array_table[i], MASKDWORD,
191 				      agctab_array_table[i + 1]);
192 			udelay(1);
193 			RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
194 				 "The agctab_array_table[0] is %x Rtl819XPHY_REGArray[1] is %x\n",
195 				 agctab_array_table[i],
196 				 agctab_array_table[i + 1]);
197 		}
198 	}
199 	return true;
200 }
201 
202 bool _rtl92cu_phy_config_bb_with_pgheaderfile(struct ieee80211_hw *hw,
203 					      u8 configtype)
204 {
205 	struct rtl_priv *rtlpriv = rtl_priv(hw);
206 	struct rtl_phy *rtlphy = &(rtlpriv->phy);
207 	int i;
208 	u32 *phy_regarray_table_pg;
209 	u16 phy_regarray_pg_len;
210 
211 	rtlphy->pwrgroup_cnt = 0;
212 	phy_regarray_pg_len = rtlphy->hwparam_tables[PHY_REG_PG].length;
213 	phy_regarray_table_pg = rtlphy->hwparam_tables[PHY_REG_PG].pdata;
214 	if (configtype == BASEBAND_CONFIG_PHY_REG) {
215 		for (i = 0; i < phy_regarray_pg_len; i = i + 3) {
216 			rtl_addr_delay(phy_regarray_table_pg[i]);
217 			_rtl92c_store_pwrIndex_diffrate_offset(hw,
218 						  phy_regarray_table_pg[i],
219 						  phy_regarray_table_pg[i + 1],
220 						  phy_regarray_table_pg[i + 2]);
221 		}
222 	} else {
223 		RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
224 			 "configtype != BaseBand_Config_PHY_REG\n");
225 	}
226 	return true;
227 }
228 
229 bool rtl92cu_phy_config_rf_with_headerfile(struct ieee80211_hw *hw,
230 					  enum radio_path rfpath)
231 {
232 	int i;
233 	u32 *radioa_array_table;
234 	u32 *radiob_array_table;
235 	u16 radioa_arraylen, radiob_arraylen;
236 	struct rtl_priv *rtlpriv = rtl_priv(hw);
237 	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
238 	struct rtl_phy *rtlphy = &(rtlpriv->phy);
239 
240 	if (IS_92C_SERIAL(rtlhal->version)) {
241 		radioa_arraylen = rtlphy->hwparam_tables[RADIOA_2T].length;
242 		radioa_array_table = rtlphy->hwparam_tables[RADIOA_2T].pdata;
243 		radiob_arraylen = rtlphy->hwparam_tables[RADIOB_2T].length;
244 		radiob_array_table = rtlphy->hwparam_tables[RADIOB_2T].pdata;
245 		RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
246 			 "Radio_A:RTL8192CURADIOA_2TARRAY\n");
247 		RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
248 			 "Radio_B:RTL8192CU_RADIOB_2TARRAY\n");
249 	} else {
250 		radioa_arraylen = rtlphy->hwparam_tables[RADIOA_1T].length;
251 		radioa_array_table = rtlphy->hwparam_tables[RADIOA_1T].pdata;
252 		radiob_arraylen = rtlphy->hwparam_tables[RADIOB_1T].length;
253 		radiob_array_table = rtlphy->hwparam_tables[RADIOB_1T].pdata;
254 		RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
255 			 "Radio_A:RTL8192CU_RADIOA_1TARRAY\n");
256 		RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
257 			 "Radio_B:RTL8192CU_RADIOB_1TARRAY\n");
258 	}
259 	RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "Radio No %x\n", rfpath);
260 	switch (rfpath) {
261 	case RF90_PATH_A:
262 		for (i = 0; i < radioa_arraylen; i = i + 2) {
263 			rtl_rfreg_delay(hw, rfpath, radioa_array_table[i],
264 					RFREG_OFFSET_MASK,
265 					radioa_array_table[i + 1]);
266 		}
267 		break;
268 	case RF90_PATH_B:
269 		for (i = 0; i < radiob_arraylen; i = i + 2) {
270 			rtl_rfreg_delay(hw, rfpath, radiob_array_table[i],
271 					RFREG_OFFSET_MASK,
272 					radiob_array_table[i + 1]);
273 		}
274 		break;
275 	case RF90_PATH_C:
276 	case RF90_PATH_D:
277 		pr_err("switch case %#x not processed\n", rfpath);
278 		break;
279 	default:
280 		break;
281 	}
282 	return true;
283 }
284 
285 void rtl92cu_phy_set_bw_mode_callback(struct ieee80211_hw *hw)
286 {
287 	struct rtl_priv *rtlpriv = rtl_priv(hw);
288 	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
289 	struct rtl_phy *rtlphy = &(rtlpriv->phy);
290 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
291 	u8 reg_bw_opmode;
292 	u8 reg_prsr_rsc;
293 
294 	RT_TRACE(rtlpriv, COMP_SCAN, DBG_TRACE, "Switch to %s bandwidth\n",
295 		 rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20 ?
296 		 "20MHz" : "40MHz");
297 	if (is_hal_stop(rtlhal)) {
298 		rtlphy->set_bwmode_inprogress = false;
299 		return;
300 	}
301 	reg_bw_opmode = rtl_read_byte(rtlpriv, REG_BWOPMODE);
302 	reg_prsr_rsc = rtl_read_byte(rtlpriv, REG_RRSR + 2);
303 	switch (rtlphy->current_chan_bw) {
304 	case HT_CHANNEL_WIDTH_20:
305 		reg_bw_opmode |= BW_OPMODE_20MHZ;
306 		rtl_write_byte(rtlpriv, REG_BWOPMODE, reg_bw_opmode);
307 		break;
308 	case HT_CHANNEL_WIDTH_20_40:
309 		reg_bw_opmode &= ~BW_OPMODE_20MHZ;
310 		rtl_write_byte(rtlpriv, REG_BWOPMODE, reg_bw_opmode);
311 		reg_prsr_rsc =
312 		    (reg_prsr_rsc & 0x90) | (mac->cur_40_prime_sc << 5);
313 		rtl_write_byte(rtlpriv, REG_RRSR + 2, reg_prsr_rsc);
314 		break;
315 	default:
316 		pr_err("unknown bandwidth: %#X\n",
317 		       rtlphy->current_chan_bw);
318 		break;
319 	}
320 	switch (rtlphy->current_chan_bw) {
321 	case HT_CHANNEL_WIDTH_20:
322 		rtl_set_bbreg(hw, RFPGA0_RFMOD, BRFMOD, 0x0);
323 		rtl_set_bbreg(hw, RFPGA1_RFMOD, BRFMOD, 0x0);
324 		rtl_set_bbreg(hw, RFPGA0_ANALOGPARAMETER2, BIT(10), 1);
325 		break;
326 	case HT_CHANNEL_WIDTH_20_40:
327 		rtl_set_bbreg(hw, RFPGA0_RFMOD, BRFMOD, 0x1);
328 		rtl_set_bbreg(hw, RFPGA1_RFMOD, BRFMOD, 0x1);
329 		rtl_set_bbreg(hw, RCCK0_SYSTEM, BCCK_SIDEBAND,
330 			      (mac->cur_40_prime_sc >> 1));
331 		rtl_set_bbreg(hw, ROFDM1_LSTF, 0xC00, mac->cur_40_prime_sc);
332 		rtl_set_bbreg(hw, RFPGA0_ANALOGPARAMETER2, BIT(10), 0);
333 		rtl_set_bbreg(hw, 0x818, (BIT(26) | BIT(27)),
334 			      (mac->cur_40_prime_sc ==
335 			       HAL_PRIME_CHNL_OFFSET_LOWER) ? 2 : 1);
336 		break;
337 	default:
338 		pr_err("unknown bandwidth: %#X\n",
339 		       rtlphy->current_chan_bw);
340 		break;
341 	}
342 	rtl92cu_phy_rf6052_set_bandwidth(hw, rtlphy->current_chan_bw);
343 	rtlphy->set_bwmode_inprogress = false;
344 	RT_TRACE(rtlpriv, COMP_SCAN, DBG_TRACE, "<==\n");
345 }
346 
347 void rtl92cu_bb_block_on(struct ieee80211_hw *hw)
348 {
349 	struct rtl_priv *rtlpriv = rtl_priv(hw);
350 
351 	mutex_lock(&rtlpriv->io.bb_mutex);
352 	rtl_set_bbreg(hw, RFPGA0_RFMOD, BCCKEN, 0x1);
353 	rtl_set_bbreg(hw, RFPGA0_RFMOD, BOFDMEN, 0x1);
354 	mutex_unlock(&rtlpriv->io.bb_mutex);
355 }
356 
357 void _rtl92cu_phy_lc_calibrate(struct ieee80211_hw *hw, bool is2t)
358 {
359 	u8 tmpreg;
360 	u32 rf_a_mode = 0, rf_b_mode = 0, lc_cal;
361 	struct rtl_priv *rtlpriv = rtl_priv(hw);
362 
363 	tmpreg = rtl_read_byte(rtlpriv, 0xd03);
364 
365 	if ((tmpreg & 0x70) != 0)
366 		rtl_write_byte(rtlpriv, 0xd03, tmpreg & 0x8F);
367 	else
368 		rtl_write_byte(rtlpriv, REG_TXPAUSE, 0xFF);
369 
370 	if ((tmpreg & 0x70) != 0) {
371 		rf_a_mode = rtl_get_rfreg(hw, RF90_PATH_A, 0x00, MASK12BITS);
372 		if (is2t)
373 			rf_b_mode = rtl_get_rfreg(hw, RF90_PATH_B, 0x00,
374 						  MASK12BITS);
375 		rtl_set_rfreg(hw, RF90_PATH_A, 0x00, MASK12BITS,
376 			      (rf_a_mode & 0x8FFFF) | 0x10000);
377 		if (is2t)
378 			rtl_set_rfreg(hw, RF90_PATH_B, 0x00, MASK12BITS,
379 				      (rf_b_mode & 0x8FFFF) | 0x10000);
380 	}
381 	lc_cal = rtl_get_rfreg(hw, RF90_PATH_A, 0x18, MASK12BITS);
382 	rtl_set_rfreg(hw, RF90_PATH_A, 0x18, MASK12BITS, lc_cal | 0x08000);
383 	mdelay(100);
384 	if ((tmpreg & 0x70) != 0) {
385 		rtl_write_byte(rtlpriv, 0xd03, tmpreg);
386 		rtl_set_rfreg(hw, RF90_PATH_A, 0x00, MASK12BITS, rf_a_mode);
387 		if (is2t)
388 			rtl_set_rfreg(hw, RF90_PATH_B, 0x00, MASK12BITS,
389 				      rf_b_mode);
390 	} else {
391 		rtl_write_byte(rtlpriv, REG_TXPAUSE, 0x00);
392 	}
393 }
394 
395 static bool _rtl92cu_phy_set_rf_power_state(struct ieee80211_hw *hw,
396 					    enum rf_pwrstate rfpwr_state)
397 {
398 	struct rtl_priv *rtlpriv = rtl_priv(hw);
399 	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
400 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
401 	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
402 	bool bresult = true;
403 	u8 i, queue_id;
404 	struct rtl8192_tx_ring *ring = NULL;
405 
406 	switch (rfpwr_state) {
407 	case ERFON:
408 		if ((ppsc->rfpwr_state == ERFOFF) &&
409 		    RT_IN_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC)) {
410 			bool rtstatus;
411 			u32 InitializeCount = 0;
412 
413 			do {
414 				InitializeCount++;
415 				RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
416 					 "IPS Set eRf nic enable\n");
417 				rtstatus = rtl_ps_enable_nic(hw);
418 			} while (!rtstatus && (InitializeCount < 10));
419 			RT_CLEAR_PS_LEVEL(ppsc,
420 					  RT_RF_OFF_LEVL_HALT_NIC);
421 		} else {
422 			RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
423 				 "Set ERFON sleeped:%d ms\n",
424 				 jiffies_to_msecs(jiffies -
425 						  ppsc->last_sleep_jiffies));
426 			ppsc->last_awake_jiffies = jiffies;
427 			rtl92ce_phy_set_rf_on(hw);
428 		}
429 		if (mac->link_state == MAC80211_LINKED) {
430 			rtlpriv->cfg->ops->led_control(hw,
431 						       LED_CTL_LINK);
432 		} else {
433 			rtlpriv->cfg->ops->led_control(hw,
434 						       LED_CTL_NO_LINK);
435 		}
436 		break;
437 	case ERFOFF:
438 		for (queue_id = 0, i = 0;
439 		     queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
440 			ring = &pcipriv->dev.tx_ring[queue_id];
441 			if (skb_queue_len(&ring->queue) == 0 ||
442 				queue_id == BEACON_QUEUE) {
443 				queue_id++;
444 				continue;
445 			} else {
446 				RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
447 					 "eRf Off/Sleep: %d times TcbBusyQueue[%d] =%d before doze!\n",
448 					 i + 1,
449 					 queue_id,
450 					 skb_queue_len(&ring->queue));
451 				udelay(10);
452 				i++;
453 			}
454 			if (i >= MAX_DOZE_WAITING_TIMES_9x) {
455 				RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
456 					 "ERFOFF: %d times TcbBusyQueue[%d] = %d !\n",
457 					 MAX_DOZE_WAITING_TIMES_9x,
458 					 queue_id,
459 					 skb_queue_len(&ring->queue));
460 				break;
461 			}
462 		}
463 		if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_HALT_NIC) {
464 			RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
465 				 "IPS Set eRf nic disable\n");
466 			rtl_ps_disable_nic(hw);
467 			RT_SET_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC);
468 		} else {
469 			if (ppsc->rfoff_reason == RF_CHANGE_BY_IPS) {
470 				rtlpriv->cfg->ops->led_control(hw,
471 							 LED_CTL_NO_LINK);
472 			} else {
473 				rtlpriv->cfg->ops->led_control(hw,
474 							 LED_CTL_POWER_OFF);
475 			}
476 		}
477 		break;
478 	case ERFSLEEP:
479 		if (ppsc->rfpwr_state == ERFOFF)
480 			return false;
481 		for (queue_id = 0, i = 0;
482 		     queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
483 			ring = &pcipriv->dev.tx_ring[queue_id];
484 			if (skb_queue_len(&ring->queue) == 0) {
485 				queue_id++;
486 				continue;
487 			} else {
488 				RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
489 					 "eRf Off/Sleep: %d times TcbBusyQueue[%d] =%d before doze!\n",
490 					 i + 1, queue_id,
491 					 skb_queue_len(&ring->queue));
492 				udelay(10);
493 				i++;
494 			}
495 			if (i >= MAX_DOZE_WAITING_TIMES_9x) {
496 				RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
497 					 "ERFSLEEP: %d times TcbBusyQueue[%d] = %d !\n",
498 					 MAX_DOZE_WAITING_TIMES_9x,
499 					 queue_id,
500 					 skb_queue_len(&ring->queue));
501 				break;
502 			}
503 		}
504 		RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
505 			 "Set ERFSLEEP awaked:%d ms\n",
506 			 jiffies_to_msecs(jiffies - ppsc->last_awake_jiffies));
507 		ppsc->last_sleep_jiffies = jiffies;
508 		_rtl92c_phy_set_rf_sleep(hw);
509 		break;
510 	default:
511 		pr_err("switch case %#x not processed\n",
512 		       rfpwr_state);
513 		bresult = false;
514 		break;
515 	}
516 	if (bresult)
517 		ppsc->rfpwr_state = rfpwr_state;
518 	return bresult;
519 }
520 
521 bool rtl92cu_phy_set_rf_power_state(struct ieee80211_hw *hw,
522 				    enum rf_pwrstate rfpwr_state)
523 {
524 	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
525 	bool bresult = false;
526 
527 	if (rfpwr_state == ppsc->rfpwr_state)
528 		return bresult;
529 	bresult = _rtl92cu_phy_set_rf_power_state(hw, rfpwr_state);
530 	return bresult;
531 }
532