xref: /linux/drivers/net/wireless/realtek/rtw88/rtw8723x.h (revision 447e140e66fd226350b3ce86cffc965eaae4c856)
1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /* Copyright 2024 Fiona Klute
3  *
4  * Based on code originally in rtw8723d.[ch],
5  * Copyright(c) 2018-2019  Realtek Corporation
6  */
7 
8 #ifndef __RTW8723X_H__
9 #define __RTW8723X_H__
10 
11 #include "main.h"
12 #include "debug.h"
13 #include "phy.h"
14 #include "reg.h"
15 
16 enum rtw8723x_path {
17 	PATH_S1,
18 	PATH_S0,
19 	PATH_NR,
20 };
21 
22 enum rtw8723x_iqk_round {
23 	IQK_ROUND_0,
24 	IQK_ROUND_1,
25 	IQK_ROUND_2,
26 	IQK_ROUND_HYBRID,
27 	IQK_ROUND_SIZE,
28 	IQK_ROUND_INVALID = 0xff,
29 };
30 
31 enum rtw8723x_iqk_result {
32 	IQK_S1_TX_X,
33 	IQK_S1_TX_Y,
34 	IQK_S1_RX_X,
35 	IQK_S1_RX_Y,
36 	IQK_S0_TX_X,
37 	IQK_S0_TX_Y,
38 	IQK_S0_RX_X,
39 	IQK_S0_RX_Y,
40 	IQK_NR,
41 	IQK_SX_NR = IQK_NR / PATH_NR,
42 };
43 
44 struct rtw8723xe_efuse {
45 	u8 mac_addr[ETH_ALEN];		/* 0xd0 */
46 	u8 vendor_id[2];
47 	u8 device_id[2];
48 	u8 sub_vendor_id[2];
49 	u8 sub_device_id[2];
50 };
51 
52 struct rtw8723xu_efuse {
53 	u8 res4[48];                    /* 0xd0 */
54 	u8 vendor_id[2];                /* 0x100 */
55 	u8 product_id[2];               /* 0x102 */
56 	u8 usb_option;                  /* 0x104 */
57 	u8 res5[2];			/* 0x105 */
58 	u8 mac_addr[ETH_ALEN];          /* 0x107 */
59 };
60 
61 struct rtw8723xs_efuse {
62 	u8 res4[0x4a];			/* 0xd0 */
63 	u8 mac_addr[ETH_ALEN];		/* 0x11a */
64 };
65 
66 struct rtw8723x_efuse {
67 	__le16 rtl_id;
68 	u8 rsvd[2];
69 	u8 afe;
70 	u8 rsvd1[11];
71 
72 	/* power index for four RF paths */
73 	struct rtw_txpwr_idx txpwr_idx_table[4];
74 
75 	u8 channel_plan;		/* 0xb8 */
76 	u8 xtal_k;
77 	u8 thermal_meter;
78 	u8 iqk_lck;
79 	u8 pa_type;			/* 0xbc */
80 	u8 lna_type_2g[2];		/* 0xbd */
81 	u8 lna_type_5g[2];
82 	u8 rf_board_option;
83 	u8 rf_feature_option;
84 	u8 rf_bt_setting;
85 	u8 eeprom_version;
86 	u8 eeprom_customer_id;
87 	u8 tx_bb_swing_setting_2g;
88 	u8 res_c7;
89 	u8 tx_pwr_calibrate_rate;
90 	u8 rf_antenna_option;		/* 0xc9 */
91 	u8 rfe_option;
92 	u8 country_code[2];
93 	u8 res[3];
94 	union {
95 		struct rtw8723xe_efuse e;
96 		struct rtw8723xu_efuse u;
97 		struct rtw8723xs_efuse s;
98 	};
99 };
100 
101 #define RTW8723X_IQK_ADDA_REG_NUM	16
102 #define RTW8723X_IQK_MAC8_REG_NUM	3
103 #define RTW8723X_IQK_MAC32_REG_NUM	1
104 #define RTW8723X_IQK_BB_REG_NUM		9
105 
106 struct rtw8723x_iqk_backup_regs {
107 	u32 adda[RTW8723X_IQK_ADDA_REG_NUM];
108 	u8 mac8[RTW8723X_IQK_MAC8_REG_NUM];
109 	u32 mac32[RTW8723X_IQK_MAC32_REG_NUM];
110 	u32 bb[RTW8723X_IQK_BB_REG_NUM];
111 
112 	u32 lte_path;
113 	u32 lte_gnt;
114 
115 	u32 bb_sel_btg;
116 	u8 btg_sel;
117 
118 	u8 igia;
119 	u8 igib;
120 };
121 
122 struct rtw8723x_common {
123 	/* registers that must be backed up before IQK and restored after */
124 	u32 iqk_adda_regs[RTW8723X_IQK_ADDA_REG_NUM];
125 	u32 iqk_mac8_regs[RTW8723X_IQK_MAC8_REG_NUM];
126 	u32 iqk_mac32_regs[RTW8723X_IQK_MAC32_REG_NUM];
127 	u32 iqk_bb_regs[RTW8723X_IQK_BB_REG_NUM];
128 
129 	/* chip register definitions */
130 	struct rtw_ltecoex_addr ltecoex_addr;
131 	struct rtw_rf_sipi_addr rf_sipi_addr[2];
132 	struct rtw_hw_reg dig[2];
133 	struct rtw_hw_reg dig_cck[1];
134 	struct rtw_prioq_addrs prioq_addrs;
135 
136 	/* common functions */
137 	void (*lck)(struct rtw_dev *rtwdev);
138 	int (*read_efuse)(struct rtw_dev *rtwdev, u8 *log_map);
139 	int (*mac_init)(struct rtw_dev *rtwdev);
140 	void (*cfg_ldo25)(struct rtw_dev *rtwdev, bool enable);
141 	void (*set_tx_power_index)(struct rtw_dev *rtwdev);
142 	void (*efuse_grant)(struct rtw_dev *rtwdev, bool on);
143 	void (*false_alarm_statistics)(struct rtw_dev *rtwdev);
144 	void (*iqk_backup_regs)(struct rtw_dev *rtwdev,
145 				struct rtw8723x_iqk_backup_regs *backup);
146 	void (*iqk_restore_regs)(struct rtw_dev *rtwdev,
147 				 const struct rtw8723x_iqk_backup_regs *backup);
148 	bool (*iqk_similarity_cmp)(struct rtw_dev *rtwdev, s32 result[][IQK_NR],
149 				   u8 c1, u8 c2);
150 	u8 (*pwrtrack_get_limit_ofdm)(struct rtw_dev *rtwdev);
151 	void (*pwrtrack_set_xtal)(struct rtw_dev *rtwdev, u8 therm_path,
152 				  u8 delta);
153 	void (*coex_cfg_init)(struct rtw_dev *rtwdev);
154 	void (*fill_txdesc_checksum)(struct rtw_dev *rtwdev,
155 				     struct rtw_tx_pkt_info *pkt_info,
156 				     u8 *txdesc);
157 	void (*debug_txpwr_limit)(struct rtw_dev *rtwdev,
158 				  struct rtw_txpwr_idx *table,
159 				  int tx_path_count);
160 };
161 
162 extern const struct rtw8723x_common rtw8723x_common;
163 
164 #define PATH_IQK_RETRY	2
165 #define MAX_TOLERANCE	5
166 #define IQK_TX_X_ERR	0x142
167 #define IQK_TX_Y_ERR	0x42
168 #define IQK_RX_X_ERR	0x132
169 #define IQK_RX_Y_ERR	0x36
170 #define IQK_RX_X_UPPER	0x11a
171 #define IQK_RX_X_LOWER	0xe6
172 #define IQK_RX_Y_LMT	0x1a
173 #define IQK_TX_OK	BIT(0)
174 #define IQK_RX_OK	BIT(1)
175 
176 #define WLAN_TXQ_RPT_EN		0x1F
177 
178 #define SPUR_THRES		0x16
179 #define DIS_3WIRE		0xccf000c0
180 #define EN_3WIRE		0xccc000c0
181 #define START_PSD		0x400000
182 #define FREQ_CH5		0xfccd
183 #define FREQ_CH6		0xfc4d
184 #define FREQ_CH7		0xffcd
185 #define FREQ_CH8		0xff4d
186 #define FREQ_CH13		0xfccd
187 #define FREQ_CH14		0xff9a
188 #define RFCFGCH_CHANNEL_MASK	GENMASK(7, 0)
189 #define RFCFGCH_BW_MASK		(BIT(11) | BIT(10))
190 #define RFCFGCH_BW_20M		(BIT(11) | BIT(10))
191 #define RFCFGCH_BW_40M		BIT(10)
192 #define BIT_MASK_RFMOD		BIT(0)
193 #define BIT_LCK			BIT(15)
194 
195 #define REG_GPIO_INTM		0x0048
196 #define REG_BTG_SEL		0x0067
197 #define BIT_MASK_BTG_WL		BIT(7)
198 #define REG_LTECOEX_PATH_CONTROL	0x0070
199 #define REG_LTECOEX_CTRL	0x07c0
200 #define REG_LTECOEX_WRITE_DATA	0x07c4
201 #define REG_LTECOEX_READ_DATA	0x07c8
202 #define REG_PSDFN		0x0808
203 #define REG_BB_PWR_SAV1_11N	0x0874
204 #define REG_ANA_PARAM1		0x0880
205 #define REG_ANALOG_P4		0x088c
206 #define REG_PSDRPT		0x08b4
207 #define REG_FPGA1_RFMOD		0x0900
208 #define REG_BB_SEL_BTG		0x0948
209 #define REG_BBRX_DFIR		0x0954
210 #define BIT_MASK_RXBB_DFIR	GENMASK(27, 24)
211 #define BIT_RXBB_DFIR_EN	BIT(19)
212 #define REG_CCK0_SYS		0x0a00
213 #define BIT_CCK_SIDE_BAND	BIT(4)
214 #define REG_CCK_ANT_SEL_11N	0x0a04
215 #define REG_PWRTH		0x0a08
216 #define REG_CCK_FA_RST_11N	0x0a2c
217 #define BIT_MASK_CCK_CNT_KEEP	BIT(12)
218 #define BIT_MASK_CCK_CNT_EN	BIT(13)
219 #define BIT_MASK_CCK_CNT_KPEN	(BIT_MASK_CCK_CNT_KEEP | BIT_MASK_CCK_CNT_EN)
220 #define BIT_MASK_CCK_FA_KEEP	BIT(14)
221 #define BIT_MASK_CCK_FA_EN	BIT(15)
222 #define BIT_MASK_CCK_FA_KPEN	(BIT_MASK_CCK_FA_KEEP | BIT_MASK_CCK_FA_EN)
223 #define REG_CCK_FA_LSB_11N	0x0a5c
224 #define REG_CCK_FA_MSB_11N	0x0a58
225 #define REG_CCK_CCA_CNT_11N	0x0a60
226 #define BIT_MASK_CCK_FA_MSB	GENMASK(7, 0)
227 #define BIT_MASK_CCK_FA_LSB	GENMASK(15, 8)
228 #define REG_PWRTH2		0x0aa8
229 #define REG_CSRATIO		0x0aaa
230 #define REG_OFDM_FA_HOLDC_11N	0x0c00
231 #define BIT_MASK_OFDM_FA_KEEP	BIT(31)
232 #define REG_BB_RX_PATH_11N	0x0c04
233 #define REG_TRMUX_11N		0x0c08
234 #define REG_OFDM_FA_RSTC_11N	0x0c0c
235 #define BIT_MASK_OFDM_FA_RST	BIT(31)
236 #define REG_A_RXIQI		0x0c14
237 #define BIT_MASK_RXIQ_S1_X	0x000003FF
238 #define BIT_MASK_RXIQ_S1_Y1	0x0000FC00
239 #define BIT_SET_RXIQ_S1_Y1(y)	((y) & 0x3F)
240 #define REG_OFDM0_RXDSP		0x0c40
241 #define BIT_MASK_RXDSP		GENMASK(28, 24)
242 #define BIT_EN_RXDSP		BIT(9)
243 #define REG_OFDM_0_ECCA_THRESHOLD	0x0c4c
244 #define BIT_MASK_OFDM0_EXT_A	BIT(31)
245 #define BIT_MASK_OFDM0_EXT_C	BIT(29)
246 #define BIT_MASK_OFDM0_EXTS	(BIT(31) | BIT(29) | BIT(28))
247 #define BIT_SET_OFDM0_EXTS(a, c, d) (((a) << 31) | ((c) << 29) | ((d) << 28))
248 #define BIT_MASK_OFDM0_EXTS_B	(BIT(27) | BIT(25) | BIT(24))
249 #define BIT_SET_OFDM0_EXTS_B(a, c, d) (((a) << 27) | ((c) << 25) | ((d) << 24))
250 #define REG_OFDM0_XAAGC1	0x0c50
251 #define REG_OFDM0_XBAGC1	0x0c58
252 #define REG_AGCRSSI		0x0c78
253 #define REG_OFDM_0_XA_TX_IQ_IMBALANCE	0x0c80
254 #define REG_OFDM_0_XB_TX_IQ_IMBALANCE	0x0c88
255 #define BIT_MASK_TXIQ_ELM_A	0x03ff
256 #define BIT_SET_TXIQ_ELM_ACD(a, c, d) (((d) << 22) | (((c) & 0x3F) << 16) |    \
257 				       ((a) & 0x03ff))
258 #define BIT_MASK_TXIQ_ELM_C	GENMASK(21, 16)
259 #define BIT_SET_TXIQ_ELM_C2(c)	((c) & 0x3F)
260 #define BIT_MASK_TXIQ_ELM_D	GENMASK(31, 22)
261 #define REG_TXIQK_MATRIXA_LSB2_11N	0x0c94
262 #define BIT_SET_TXIQ_ELM_C1(c)	(((c) & 0x000003C0) >> 6)
263 #define REG_RXIQK_MATRIX_LSB_11N	0x0ca0
264 #define BIT_MASK_RXIQ_S1_Y2	0xF0000000
265 #define BIT_SET_RXIQ_S1_Y2(y)	(((y) >> 6) & 0xF)
266 #define REG_TXIQ_AB_S0		0x0cd0
267 #define BIT_MASK_TXIQ_A_S0	0x000007FE
268 #define BIT_MASK_TXIQ_A_EXT_S0	BIT(0)
269 #define BIT_MASK_TXIQ_B_S0	0x0007E000
270 #define REG_TXIQ_CD_S0		0x0cd4
271 #define BIT_MASK_TXIQ_C_S0	0x000007FE
272 #define BIT_MASK_TXIQ_C_EXT_S0	BIT(0)
273 #define BIT_MASK_TXIQ_D_S0	GENMASK(22, 13)
274 #define BIT_MASK_TXIQ_D_EXT_S0	BIT(12)
275 #define REG_RXIQ_AB_S0		0x0cd8
276 #define BIT_MASK_RXIQ_X_S0	0x000003FF
277 #define BIT_MASK_RXIQ_Y_S0	0x003FF000
278 #define REG_OFDM_FA_TYPE1_11N	0x0cf0
279 #define BIT_MASK_OFDM_FF_CNT	GENMASK(15, 0)
280 #define BIT_MASK_OFDM_SF_CNT	GENMASK(31, 16)
281 #define REG_OFDM_FA_RSTD_11N	0x0d00
282 #define BIT_MASK_OFDM_FA_RST1	BIT(27)
283 #define BIT_MASK_OFDM_FA_KEEP1	BIT(31)
284 #define REG_CTX			0x0d03
285 #define BIT_MASK_CTX_TYPE	GENMASK(6, 4)
286 #define REG_OFDM1_CFOTRK	0x0d2c
287 #define BIT_EN_CFOTRK		BIT(28)
288 #define REG_OFDM1_CSI1		0x0d40
289 #define REG_OFDM1_CSI2		0x0d44
290 #define REG_OFDM1_CSI3		0x0d48
291 #define REG_OFDM1_CSI4		0x0d4c
292 #define REG_OFDM_FA_TYPE2_11N	0x0da0
293 #define BIT_MASK_OFDM_CCA_CNT	GENMASK(15, 0)
294 #define BIT_MASK_OFDM_PF_CNT	GENMASK(31, 16)
295 #define REG_OFDM_FA_TYPE3_11N	0x0da4
296 #define BIT_MASK_OFDM_RI_CNT	GENMASK(15, 0)
297 #define BIT_MASK_OFDM_CRC_CNT	GENMASK(31, 16)
298 #define REG_OFDM_FA_TYPE4_11N	0x0da8
299 #define BIT_MASK_OFDM_MNS_CNT	GENMASK(15, 0)
300 #define REG_FPGA0_IQK_11N	0x0e28
301 #define BIT_MASK_IQK_MOD	0xffffff00
302 #define EN_IQK			0x808000
303 #define RST_IQK			0x000000
304 #define REG_TXIQK_TONE_A_11N	0x0e30
305 #define REG_RXIQK_TONE_A_11N	0x0e34
306 #define REG_TXIQK_PI_A_11N	0x0e38
307 #define REG_RXIQK_PI_A_11N	0x0e3c
308 #define REG_TXIQK_11N		0x0e40
309 #define BIT_SET_TXIQK_11N(x, y)	(0x80007C00 | ((x) << 16) | (y))
310 #define REG_RXIQK_11N		0x0e44
311 #define REG_IQK_AGC_PTS_11N	0x0e48
312 #define REG_IQK_AGC_RSP_11N	0x0e4c
313 #define REG_TX_IQK_TONE_B	0x0e50
314 #define REG_RX_IQK_TONE_B	0x0e54
315 #define REG_TXIQK_PI_B		0x0e58
316 #define REG_RXIQK_PI_B		0x0e5c
317 #define REG_IQK_RES_TX		0x0e94
318 #define BIT_MASK_RES_TX		GENMASK(25, 16)
319 #define REG_IQK_RES_TY		0x0e9c
320 #define BIT_MASK_RES_TY		GENMASK(25, 16)
321 #define REG_IQK_RES_RX		0x0ea4
322 #define BIT_MASK_RES_RX		GENMASK(25, 16)
323 #define REG_IQK_RES_RY		0x0eac
324 #define BIT_IQK_TX_FAIL		BIT(28)
325 #define BIT_IQK_RX_FAIL		BIT(27)
326 #define BIT_IQK_DONE		BIT(26)
327 #define BIT_MASK_RES_RY		GENMASK(25, 16)
328 #define REG_PAGE_F_RST_11N		0x0f14
329 #define BIT_MASK_F_RST_ALL		BIT(16)
330 #define REG_IGI_C_11N			0x0f84
331 #define REG_IGI_D_11N			0x0f88
332 #define REG_HT_CRC32_CNT_11N		0x0f90
333 #define BIT_MASK_HT_CRC_OK		GENMASK(15, 0)
334 #define BIT_MASK_HT_CRC_ERR		GENMASK(31, 16)
335 #define REG_OFDM_CRC32_CNT_11N		0x0f94
336 #define BIT_MASK_OFDM_LCRC_OK		GENMASK(15, 0)
337 #define BIT_MASK_OFDM_LCRC_ERR		GENMASK(31, 16)
338 #define REG_HT_CRC32_CNT_11N_AGG	0x0fb8
339 
340 #define OFDM_SWING_A(swing)		FIELD_GET(GENMASK(9, 0), swing)
341 #define OFDM_SWING_B(swing)		FIELD_GET(GENMASK(15, 10), swing)
342 #define OFDM_SWING_C(swing)		FIELD_GET(GENMASK(21, 16), swing)
343 #define OFDM_SWING_D(swing)		FIELD_GET(GENMASK(31, 22), swing)
344 
345 static inline s32 iqkxy_to_s32(s32 val)
346 {
347 	/* val is Q10.8 */
348 	return sign_extend32(val, 9);
349 }
350 
351 static inline s32 iqk_mult(s32 x, s32 y, s32 *ext)
352 {
353 	/* x, y and return value are Q10.8 */
354 	s32 t;
355 
356 	t = x * y;
357 	if (ext)
358 		*ext = (t >> 7) & 0x1;	/* Q.16 --> Q.9; get LSB of Q.9 */
359 
360 	return (t >> 8);	/* Q.16 --> Q.8 */
361 }
362 
363 static inline
364 void rtw8723x_debug_txpwr_limit(struct rtw_dev *rtwdev,
365 				struct rtw_txpwr_idx *table,
366 				int tx_path_count)
367 {
368 	rtw8723x_common.debug_txpwr_limit(rtwdev, table, tx_path_count);
369 }
370 
371 static inline void rtw8723x_lck(struct rtw_dev *rtwdev)
372 {
373 	rtw8723x_common.lck(rtwdev);
374 }
375 
376 static inline int rtw8723x_read_efuse(struct rtw_dev *rtwdev, u8 *log_map)
377 {
378 	return rtw8723x_common.read_efuse(rtwdev, log_map);
379 }
380 
381 static inline int rtw8723x_mac_init(struct rtw_dev *rtwdev)
382 {
383 	return rtw8723x_common.mac_init(rtwdev);
384 }
385 
386 static inline void rtw8723x_cfg_ldo25(struct rtw_dev *rtwdev, bool enable)
387 {
388 	rtw8723x_common.cfg_ldo25(rtwdev, enable);
389 }
390 
391 static inline void rtw8723x_set_tx_power_index(struct rtw_dev *rtwdev)
392 {
393 	rtw8723x_common.set_tx_power_index(rtwdev);
394 }
395 
396 static inline void rtw8723x_efuse_grant(struct rtw_dev *rtwdev, bool on)
397 {
398 	rtw8723x_common.efuse_grant(rtwdev, on);
399 }
400 
401 static inline void rtw8723x_false_alarm_statistics(struct rtw_dev *rtwdev)
402 {
403 	rtw8723x_common.false_alarm_statistics(rtwdev);
404 }
405 
406 static inline
407 void rtw8723x_iqk_backup_regs(struct rtw_dev *rtwdev,
408 			      struct rtw8723x_iqk_backup_regs *backup)
409 {
410 	rtw8723x_common.iqk_backup_regs(rtwdev, backup);
411 }
412 
413 static inline
414 void rtw8723x_iqk_restore_regs(struct rtw_dev *rtwdev,
415 			       const struct rtw8723x_iqk_backup_regs *backup)
416 {
417 	rtw8723x_common.iqk_restore_regs(rtwdev, backup);
418 }
419 
420 static inline
421 bool rtw8723x_iqk_similarity_cmp(struct rtw_dev *rtwdev, s32 result[][IQK_NR],
422 				 u8 c1, u8 c2)
423 {
424 	return rtw8723x_common.iqk_similarity_cmp(rtwdev, result, c1, c2);
425 }
426 
427 static inline u8 rtw8723x_pwrtrack_get_limit_ofdm(struct rtw_dev *rtwdev)
428 {
429 	return rtw8723x_common.pwrtrack_get_limit_ofdm(rtwdev);
430 }
431 
432 static inline
433 void rtw8723x_pwrtrack_set_xtal(struct rtw_dev *rtwdev, u8 therm_path,
434 				u8 delta)
435 {
436 	rtw8723x_common.pwrtrack_set_xtal(rtwdev, therm_path, delta);
437 }
438 
439 static inline void rtw8723x_coex_cfg_init(struct rtw_dev *rtwdev)
440 {
441 	rtw8723x_common.coex_cfg_init(rtwdev);
442 }
443 
444 static inline
445 void rtw8723x_fill_txdesc_checksum(struct rtw_dev *rtwdev,
446 				   struct rtw_tx_pkt_info *pkt_info,
447 				   u8 *txdesc)
448 {
449 	rtw8723x_common.fill_txdesc_checksum(rtwdev, pkt_info, txdesc);
450 }
451 
452 /* IQK helper functions, defined as inline so they can be shared
453  * without needing an EXPORT_SYMBOL each.
454  */
455 static inline void
456 rtw8723x_iqk_backup_path_ctrl(struct rtw_dev *rtwdev,
457 			      struct rtw8723x_iqk_backup_regs *backup)
458 {
459 	backup->btg_sel = rtw_read8(rtwdev, REG_BTG_SEL);
460 	rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] original 0x67 = 0x%x\n",
461 		backup->btg_sel);
462 }
463 
464 static inline void rtw8723x_iqk_config_path_ctrl(struct rtw_dev *rtwdev)
465 {
466 	rtw_write32_mask(rtwdev, REG_PAD_CTRL1, BIT_BT_BTG_SEL, 0x1);
467 	rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] set 0x67 = 0x%x\n",
468 		rtw_read32_mask(rtwdev, REG_PAD_CTRL1, MASKBYTE3));
469 }
470 
471 static inline void
472 rtw8723x_iqk_restore_path_ctrl(struct rtw_dev *rtwdev,
473 			       const struct rtw8723x_iqk_backup_regs *backup)
474 {
475 	rtw_write8(rtwdev, REG_BTG_SEL, backup->btg_sel);
476 	rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] restore 0x67 = 0x%x\n",
477 		rtw_read32_mask(rtwdev, REG_PAD_CTRL1, MASKBYTE3));
478 }
479 
480 static inline void
481 rtw8723x_iqk_backup_lte_path_gnt(struct rtw_dev *rtwdev,
482 				 struct rtw8723x_iqk_backup_regs *backup)
483 {
484 	backup->lte_path = rtw_read32(rtwdev, REG_LTECOEX_PATH_CONTROL);
485 	rtw_write32(rtwdev, REG_LTECOEX_CTRL, 0x800f0038);
486 	mdelay(1);
487 	backup->lte_gnt = rtw_read32(rtwdev, REG_LTECOEX_READ_DATA);
488 	rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] OriginalGNT = 0x%x\n",
489 		backup->lte_gnt);
490 }
491 
492 static inline void
493 rtw8723x_iqk_config_lte_path_gnt(struct rtw_dev *rtwdev,
494 				 u32 write_data)
495 {
496 	rtw_write32(rtwdev, REG_LTECOEX_WRITE_DATA, write_data);
497 	rtw_write32(rtwdev, REG_LTECOEX_CTRL, 0xc0020038);
498 	rtw_write32_mask(rtwdev, REG_LTECOEX_PATH_CONTROL,
499 			 BIT_LTE_MUX_CTRL_PATH, 0x1);
500 }
501 
502 static inline void
503 rtw8723x_iqk_restore_lte_path_gnt(struct rtw_dev *rtwdev,
504 				  const struct rtw8723x_iqk_backup_regs *bak)
505 {
506 	rtw_write32(rtwdev, REG_LTECOEX_WRITE_DATA, bak->lte_gnt);
507 	rtw_write32(rtwdev, REG_LTECOEX_CTRL, 0xc00f0038);
508 	rtw_write32(rtwdev, REG_LTECOEX_PATH_CONTROL, bak->lte_path);
509 }
510 
511 /* set all ADDA registers to the given value */
512 static inline void rtw8723x_iqk_path_adda_on(struct rtw_dev *rtwdev, u32 value)
513 {
514 	for (int i = 0; i < RTW8723X_IQK_ADDA_REG_NUM; i++)
515 		rtw_write32(rtwdev, rtw8723x_common.iqk_adda_regs[i], value);
516 }
517 
518 #endif /* __RTW8723X_H__ */
519