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