1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * NAU8825 ALSA SoC audio driver
4  *
5  * Copyright 2015 Google Inc.
6  * Author: Anatol Pomozov <anatol.pomozov@chrominium.org>
7  */
8 
9 #ifndef __NAU8825_H__
10 #define __NAU8825_H__
11 
12 #define NAU8825_REG_RESET		0x00
13 #define NAU8825_REG_ENA_CTRL		0x01
14 #define NAU8825_REG_IIC_ADDR_SET		0x02
15 #define NAU8825_REG_CLK_DIVIDER		0x03
16 #define NAU8825_REG_FLL1		0x04
17 #define NAU8825_REG_FLL2		0x05
18 #define NAU8825_REG_FLL3		0x06
19 #define NAU8825_REG_FLL4		0x07
20 #define NAU8825_REG_FLL5		0x08
21 #define NAU8825_REG_FLL6		0x09
22 #define NAU8825_REG_FLL_VCO_RSV		0x0a
23 #define NAU8825_REG_HSD_CTRL		0x0c
24 #define NAU8825_REG_JACK_DET_CTRL		0x0d
25 #define NAU8825_REG_INTERRUPT_MASK		0x0f
26 #define NAU8825_REG_IRQ_STATUS		0x10
27 #define NAU8825_REG_INT_CLR_KEY_STATUS		0x11
28 #define NAU8825_REG_INTERRUPT_DIS_CTRL		0x12
29 #define NAU8825_REG_SAR_CTRL		0x13
30 #define NAU8825_REG_KEYDET_CTRL		0x14
31 #define NAU8825_REG_VDET_THRESHOLD_1		0x15
32 #define NAU8825_REG_VDET_THRESHOLD_2		0x16
33 #define NAU8825_REG_VDET_THRESHOLD_3		0x17
34 #define NAU8825_REG_VDET_THRESHOLD_4		0x18
35 #define NAU8825_REG_GPIO34_CTRL		0x19
36 #define NAU8825_REG_GPIO12_CTRL		0x1a
37 #define NAU8825_REG_TDM_CTRL		0x1b
38 #define NAU8825_REG_I2S_PCM_CTRL1		0x1c
39 #define NAU8825_REG_I2S_PCM_CTRL2		0x1d
40 #define NAU8825_REG_LEFT_TIME_SLOT		0x1e
41 #define NAU8825_REG_RIGHT_TIME_SLOT		0x1f
42 #define NAU8825_REG_BIQ_CTRL		0x20
43 #define NAU8825_REG_BIQ_COF1		0x21
44 #define NAU8825_REG_BIQ_COF2		0x22
45 #define NAU8825_REG_BIQ_COF3		0x23
46 #define NAU8825_REG_BIQ_COF4		0x24
47 #define NAU8825_REG_BIQ_COF5		0x25
48 #define NAU8825_REG_BIQ_COF6		0x26
49 #define NAU8825_REG_BIQ_COF7		0x27
50 #define NAU8825_REG_BIQ_COF8		0x28
51 #define NAU8825_REG_BIQ_COF9		0x29
52 #define NAU8825_REG_BIQ_COF10		0x2a
53 #define NAU8825_REG_ADC_RATE		0x2b
54 #define NAU8825_REG_DAC_CTRL1		0x2c
55 #define NAU8825_REG_DAC_CTRL2		0x2d
56 #define NAU8825_REG_DAC_DGAIN_CTRL		0x2f
57 #define NAU8825_REG_ADC_DGAIN_CTRL		0x30
58 #define NAU8825_REG_MUTE_CTRL		0x31
59 #define NAU8825_REG_HSVOL_CTRL		0x32
60 #define NAU8825_REG_DACL_CTRL		0x33
61 #define NAU8825_REG_DACR_CTRL		0x34
62 #define NAU8825_REG_ADC_DRC_KNEE_IP12		0x38
63 #define NAU8825_REG_ADC_DRC_KNEE_IP34		0x39
64 #define NAU8825_REG_ADC_DRC_SLOPES		0x3a
65 #define NAU8825_REG_ADC_DRC_ATKDCY		0x3b
66 #define NAU8825_REG_DAC_DRC_KNEE_IP12		0x45
67 #define NAU8825_REG_DAC_DRC_KNEE_IP34		0x46
68 #define NAU8825_REG_DAC_DRC_SLOPES		0x47
69 #define NAU8825_REG_DAC_DRC_ATKDCY		0x48
70 #define NAU8825_REG_IMM_MODE_CTRL		0x4c
71 #define NAU8825_REG_IMM_RMS_L		0x4d
72 #define NAU8825_REG_IMM_RMS_R		0x4e
73 #define NAU8825_REG_CLASSG_CTRL		0x50
74 #define NAU8825_REG_OPT_EFUSE_CTRL		0x51
75 #define NAU8825_REG_MISC_CTRL		0x55
76 #define NAU8825_REG_I2C_DEVICE_ID		0x58
77 #define NAU8825_REG_SARDOUT_RAM_STATUS		0x59
78 #define NAU8825_REG_FLL2_LOWER		0x5a
79 #define NAU8825_REG_FLL2_UPPER		0x5b
80 #define NAU8825_REG_BIAS_ADJ		0x66
81 #define NAU8825_REG_TRIM_SETTINGS		0x68
82 #define NAU8825_REG_ANALOG_CONTROL_1		0x69
83 #define NAU8825_REG_ANALOG_CONTROL_2		0x6a
84 #define NAU8825_REG_ANALOG_ADC_1		0x71
85 #define NAU8825_REG_ANALOG_ADC_2		0x72
86 #define NAU8825_REG_RDAC		0x73
87 #define NAU8825_REG_MIC_BIAS		0x74
88 #define NAU8825_REG_BOOST		0x76
89 #define NAU8825_REG_FEPGA		0x77
90 #define NAU8825_REG_POWER_UP_CONTROL		0x7f
91 #define NAU8825_REG_CHARGE_PUMP		0x80
92 #define NAU8825_REG_CHARGE_PUMP_INPUT_READ		0x81
93 #define NAU8825_REG_GENERAL_STATUS		0x82
94 #define NAU8825_REG_MAX		NAU8825_REG_GENERAL_STATUS
95 /* 16-bit control register address, and 16-bits control register data */
96 #define NAU8825_REG_ADDR_LEN		16
97 #define NAU8825_REG_DATA_LEN		16
98 
99 /* ENA_CTRL (0x1) */
100 #define NAU8825_ENABLE_DACR_SFT	10
101 #define NAU8825_ENABLE_DACR	(1 << NAU8825_ENABLE_DACR_SFT)
102 #define NAU8825_ENABLE_DACL_SFT	9
103 #define NAU8825_ENABLE_DACL		(1 << NAU8825_ENABLE_DACL_SFT)
104 #define NAU8825_ENABLE_ADC_SFT	8
105 #define NAU8825_ENABLE_ADC		(1 << NAU8825_ENABLE_ADC_SFT)
106 #define NAU8825_ENABLE_ADC_CLK_SFT	7
107 #define NAU8825_ENABLE_ADC_CLK	(1 << NAU8825_ENABLE_ADC_CLK_SFT)
108 #define NAU8825_ENABLE_DAC_CLK_SFT	6
109 #define NAU8825_ENABLE_DAC_CLK	(1 << NAU8825_ENABLE_DAC_CLK_SFT)
110 #define NAU8825_ENABLE_SAR_SFT	1
111 
112 /* CLK_DIVIDER (0x3) */
113 #define NAU8825_CLK_SRC_SFT			15
114 #define NAU8825_CLK_SRC_MASK			(1 << NAU8825_CLK_SRC_SFT)
115 #define NAU8825_CLK_SRC_VCO			(1 << NAU8825_CLK_SRC_SFT)
116 #define NAU8825_CLK_SRC_MCLK			(0 << NAU8825_CLK_SRC_SFT)
117 #define NAU8825_CLK_ADC_SRC_SFT		6
118 #define NAU8825_CLK_ADC_SRC_MASK		(0x3 << NAU8825_CLK_ADC_SRC_SFT)
119 #define NAU8825_CLK_DAC_SRC_SFT		4
120 #define NAU8825_CLK_DAC_SRC_MASK		(0x3 << NAU8825_CLK_DAC_SRC_SFT)
121 #define NAU8825_CLK_MCLK_SRC_MASK		(0xf << 0)
122 
123 /* FLL1 (0x04) */
124 #define NAU8825_ICTRL_LATCH_SFT	10
125 #define NAU8825_ICTRL_LATCH_MASK	(0x7 << NAU8825_ICTRL_LATCH_SFT)
126 #define NAU8825_FLL_RATIO_MASK			(0x7f << 0)
127 
128 /* FLL3 (0x06) */
129 #define NAU8825_GAIN_ERR_SFT			12
130 #define NAU8825_GAIN_ERR_MASK			(0xf << NAU8825_GAIN_ERR_SFT)
131 #define NAU8825_FLL_INTEGER_MASK		(0x3ff << 0)
132 #define NAU8825_FLL_CLK_SRC_SFT		10
133 #define NAU8825_FLL_CLK_SRC_MASK		(0x3 << NAU8825_FLL_CLK_SRC_SFT)
134 #define NAU8825_FLL_CLK_SRC_MCLK		(0 << NAU8825_FLL_CLK_SRC_SFT)
135 #define NAU8825_FLL_CLK_SRC_BLK		(0x2 << NAU8825_FLL_CLK_SRC_SFT)
136 #define NAU8825_FLL_CLK_SRC_FS			(0x3 << NAU8825_FLL_CLK_SRC_SFT)
137 
138 /* FLL4 (0x07) */
139 #define NAU8825_FLL_REF_DIV_SFT	10
140 #define NAU8825_FLL_REF_DIV_MASK	(0x3 << NAU8825_FLL_REF_DIV_SFT)
141 
142 /* FLL5 (0x08) */
143 #define NAU8825_FLL_PDB_DAC_EN		(0x1 << 15)
144 #define NAU8825_FLL_LOOP_FTR_EN		(0x1 << 14)
145 #define NAU8825_FLL_CLK_SW_MASK		(0x1 << 13)
146 #define NAU8825_FLL_CLK_SW_N2			(0x1 << 13)
147 #define NAU8825_FLL_CLK_SW_REF		(0x0 << 13)
148 #define NAU8825_FLL_FTR_SW_MASK		(0x1 << 12)
149 #define NAU8825_FLL_FTR_SW_ACCU		(0x1 << 12)
150 #define NAU8825_FLL_FTR_SW_FILTER		(0x0 << 12)
151 
152 /* FLL6 (0x9) */
153 #define NAU8825_DCO_EN				(0x1 << 15)
154 #define NAU8825_SDM_EN				(0x1 << 14)
155 #define NAU8825_CUTOFF500			(0x1 << 13)
156 
157 /* HSD_CTRL (0xc) */
158 #define NAU8825_HSD_AUTO_MODE	(1 << 6)
159 /* 0 - open, 1 - short to GND */
160 #define NAU8825_SPKR_ENGND1	(1 << 3)
161 #define NAU8825_SPKR_ENGND2	(1 << 2)
162 #define NAU8825_SPKR_DWN1R	(1 << 1)
163 #define NAU8825_SPKR_DWN1L	(1 << 0)
164 
165 /* JACK_DET_CTRL (0xd) */
166 #define NAU8825_JACK_DET_RESTART	(1 << 9)
167 #define NAU8825_JACK_DET_DB_BYPASS	(1 << 8)
168 #define NAU8825_JACK_INSERT_DEBOUNCE_SFT	5
169 #define NAU8825_JACK_INSERT_DEBOUNCE_MASK	(0x7 << NAU8825_JACK_INSERT_DEBOUNCE_SFT)
170 #define NAU8825_JACK_EJECT_DEBOUNCE_SFT		2
171 #define NAU8825_JACK_EJECT_DEBOUNCE_MASK	(0x7 << NAU8825_JACK_EJECT_DEBOUNCE_SFT)
172 #define NAU8825_JACK_POLARITY	(1 << 1) /* 0 - active low, 1 - active high */
173 
174 /* INTERRUPT_MASK (0xf) */
175 #define NAU8825_IRQ_PIN_PULLUP (1 << 14)
176 #define NAU8825_IRQ_PIN_PULL_EN (1 << 13)
177 #define NAU8825_IRQ_OUTPUT_EN (1 << 11)
178 #define NAU8825_IRQ_HEADSET_COMPLETE_EN (1 << 10)
179 #define NAU8825_IRQ_RMS_EN (1 << 8)
180 #define NAU8825_IRQ_KEY_RELEASE_EN (1 << 7)
181 #define NAU8825_IRQ_KEY_SHORT_PRESS_EN (1 << 5)
182 #define NAU8825_IRQ_EJECT_EN (1 << 2)
183 #define NAU8825_IRQ_INSERT_EN (1 << 0)
184 
185 /* IRQ_STATUS (0x10) */
186 #define NAU8825_HEADSET_COMPLETION_IRQ	(1 << 10)
187 #define NAU8825_SHORT_CIRCUIT_IRQ	(1 << 9)
188 #define NAU8825_IMPEDANCE_MEAS_IRQ	(1 << 8)
189 #define NAU8825_KEY_IRQ_MASK	(0x7 << 5)
190 #define NAU8825_KEY_RELEASE_IRQ	(1 << 7)
191 #define NAU8825_KEY_LONG_PRESS_IRQ	(1 << 6)
192 #define NAU8825_KEY_SHORT_PRESS_IRQ	(1 << 5)
193 #define NAU8825_MIC_DETECTION_IRQ	(1 << 4)
194 #define NAU8825_JACK_EJECTION_IRQ_MASK	(3 << 2)
195 #define NAU8825_JACK_EJECTION_DETECTED	(1 << 2)
196 #define NAU8825_JACK_INSERTION_IRQ_MASK	(3 << 0)
197 #define NAU8825_JACK_INSERTION_DETECTED	(1 << 0)
198 
199 /* INTERRUPT_DIS_CTRL (0x12) */
200 #define NAU8825_IRQ_HEADSET_COMPLETE_DIS (1 << 10)
201 #define NAU8825_IRQ_KEY_RELEASE_DIS (1 << 7)
202 #define NAU8825_IRQ_KEY_SHORT_PRESS_DIS (1 << 5)
203 #define NAU8825_IRQ_EJECT_DIS (1 << 2)
204 #define NAU8825_IRQ_INSERT_DIS (1 << 0)
205 
206 /* SAR_CTRL (0x13) */
207 #define NAU8825_SAR_ADC_EN_SFT	12
208 #define NAU8825_SAR_ADC_EN	(1 << NAU8825_SAR_ADC_EN_SFT)
209 #define NAU8825_SAR_INPUT_MASK	(1 << 11)
210 #define NAU8825_SAR_INPUT_JKSLV	(1 << 11)
211 #define NAU8825_SAR_INPUT_JKR2	(0 << 11)
212 #define NAU8825_SAR_TRACKING_GAIN_SFT	8
213 #define NAU8825_SAR_TRACKING_GAIN_MASK	(0x7 << NAU8825_SAR_TRACKING_GAIN_SFT)
214 #define NAU8825_SAR_HV_SEL_SFT		7
215 #define NAU8825_SAR_HV_SEL_MASK		(1 << NAU8825_SAR_HV_SEL_SFT)
216 #define NAU8825_SAR_HV_SEL_MICBIAS	(0 << NAU8825_SAR_HV_SEL_SFT)
217 #define NAU8825_SAR_HV_SEL_VDDMIC	(1 << NAU8825_SAR_HV_SEL_SFT)
218 #define NAU8825_SAR_RES_SEL_SFT		4
219 #define NAU8825_SAR_RES_SEL_MASK	(0x7 << NAU8825_SAR_RES_SEL_SFT)
220 #define NAU8825_SAR_RES_SEL_35K		(0 << NAU8825_SAR_RES_SEL_SFT)
221 #define NAU8825_SAR_RES_SEL_70K		(1 << NAU8825_SAR_RES_SEL_SFT)
222 #define NAU8825_SAR_RES_SEL_170K	(2 << NAU8825_SAR_RES_SEL_SFT)
223 #define NAU8825_SAR_RES_SEL_360K	(3 << NAU8825_SAR_RES_SEL_SFT)
224 #define NAU8825_SAR_RES_SEL_SHORTED	(4 << NAU8825_SAR_RES_SEL_SFT)
225 #define NAU8825_SAR_COMPARE_TIME_SFT	2
226 #define NAU8825_SAR_COMPARE_TIME_MASK	(3 << 2)
227 #define NAU8825_SAR_SAMPLING_TIME_SFT	0
228 #define NAU8825_SAR_SAMPLING_TIME_MASK	(3 << 0)
229 
230 /* KEYDET_CTRL (0x14) */
231 #define NAU8825_KEYDET_SHORTKEY_DEBOUNCE_SFT	12
232 #define NAU8825_KEYDET_SHORTKEY_DEBOUNCE_MASK	(0x3 << NAU8825_KEYDET_SHORTKEY_DEBOUNCE_SFT)
233 #define NAU8825_KEYDET_LEVELS_NR_SFT	8
234 #define NAU8825_KEYDET_LEVELS_NR_MASK	(0x7 << 8)
235 #define NAU8825_KEYDET_HYSTERESIS_SFT	0
236 #define NAU8825_KEYDET_HYSTERESIS_MASK	0xf
237 
238 /* GPIO12_CTRL (0x1a) */
239 #define NAU8825_JKDET_PULL_UP	(1 << 11) /* 0 - pull down, 1 - pull up */
240 #define NAU8825_JKDET_PULL_EN	(1 << 9) /* 0 - enable pull, 1 - disable */
241 #define NAU8825_JKDET_OUTPUT_EN	(1 << 8) /* 0 - enable input, 1 - enable output */
242 
243 /* TDM_CTRL (0x1b) */
244 #define NAU8825_TDM_MODE		(0x1 << 15)
245 #define NAU8825_TDM_OFFSET_EN		(0x1 << 14)
246 #define NAU8825_TDM_DACL_RX_SFT		6
247 #define NAU8825_TDM_DACL_RX_MASK	(0x3 << NAU8825_TDM_DACL_RX_SFT)
248 #define NAU8825_TDM_DACR_RX_SFT		4
249 #define NAU8825_TDM_DACR_RX_MASK	(0x3 << NAU8825_TDM_DACR_RX_SFT)
250 #define NAU8825_TDM_TX_MASK		0x3
251 
252 /* I2S_PCM_CTRL1 (0x1c) */
253 #define NAU8825_I2S_BP_SFT	7
254 #define NAU8825_I2S_BP_MASK	(1 << NAU8825_I2S_BP_SFT)
255 #define NAU8825_I2S_BP_INV	(1 << NAU8825_I2S_BP_SFT)
256 #define NAU8825_I2S_PCMB_SFT	6
257 #define NAU8825_I2S_PCMB_MASK	(1 << NAU8825_I2S_PCMB_SFT)
258 #define NAU8825_I2S_PCMB_EN	(1 << NAU8825_I2S_PCMB_SFT)
259 #define NAU8825_I2S_DL_SFT	2
260 #define NAU8825_I2S_DL_MASK	(0x3 << NAU8825_I2S_DL_SFT)
261 #define NAU8825_I2S_DL_16	(0 << NAU8825_I2S_DL_SFT)
262 #define NAU8825_I2S_DL_20	(1 << NAU8825_I2S_DL_SFT)
263 #define NAU8825_I2S_DL_24	(2 << NAU8825_I2S_DL_SFT)
264 #define NAU8825_I2S_DL_32	(3 << NAU8825_I2S_DL_SFT)
265 #define NAU8825_I2S_DF_SFT	0
266 #define NAU8825_I2S_DF_MASK	(0x3 << NAU8825_I2S_DF_SFT)
267 #define NAU8825_I2S_DF_RIGTH	(0 << NAU8825_I2S_DF_SFT)
268 #define NAU8825_I2S_DF_LEFT	(1 << NAU8825_I2S_DF_SFT)
269 #define NAU8825_I2S_DF_I2S	(2 << NAU8825_I2S_DF_SFT)
270 #define NAU8825_I2S_DF_PCM_AB	(3 << NAU8825_I2S_DF_SFT)
271 
272 /* I2S_PCM_CTRL2 (0x1d) */
273 #define NAU8825_I2S_TRISTATE	(1 << 15) /* 0 - normal mode, 1 - Hi-Z output */
274 #define NAU8825_I2S_LRC_DIV_SFT	12
275 #define NAU8825_I2S_LRC_DIV_MASK	(0x3 << NAU8825_I2S_LRC_DIV_SFT)
276 #define NAU8825_I2S_PCM_TS_EN_SFT	10
277 #define NAU8825_I2S_PCM_TS_EN_MASK	(1 << NAU8825_I2S_PCM_TS_EN_SFT)
278 #define NAU8825_I2S_PCM_TS_EN		(1 << NAU8825_I2S_PCM_TS_EN_SFT)
279 #define NAU8825_I2S_MS_SFT	3
280 #define NAU8825_I2S_MS_MASK	(1 << NAU8825_I2S_MS_SFT)
281 #define NAU8825_I2S_MS_MASTER	(1 << NAU8825_I2S_MS_SFT)
282 #define NAU8825_I2S_MS_SLAVE	(0 << NAU8825_I2S_MS_SFT)
283 #define NAU8825_I2S_BLK_DIV_MASK	0x7
284 
285 /* LEFT_TIME_SLOT (0x1e) */
286 #define NAU8825_FS_ERR_CMP_SEL_SFT	14
287 #define NAU8825_FS_ERR_CMP_SEL_MASK	(0x3 << NAU8825_FS_ERR_CMP_SEL_SFT)
288 #define NAU8825_DIS_FS_SHORT_DET	(1 << 13)
289 #define NAU8825_TSLOT_L0_MASK		0x3ff
290 #define NAU8825_TSLOT_R0_MASK		0x3ff
291 
292 /* BIQ_CTRL (0x20) */
293 #define NAU8825_BIQ_WRT_SFT   4
294 #define NAU8825_BIQ_WRT_EN     (1 << NAU8825_BIQ_WRT_SFT)
295 #define NAU8825_BIQ_PATH_SFT   0
296 #define NAU8825_BIQ_PATH_MASK  (1 << NAU8825_BIQ_PATH_SFT)
297 #define NAU8825_BIQ_PATH_ADC   (0 << NAU8825_BIQ_PATH_SFT)
298 #define NAU8825_BIQ_PATH_DAC   (1 << NAU8825_BIQ_PATH_SFT)
299 
300 /* ADC_RATE (0x2b) */
301 #define NAU8825_ADC_SINC4_SFT		4
302 #define NAU8825_ADC_SINC4_EN		(1 << NAU8825_ADC_SINC4_SFT)
303 #define NAU8825_ADC_SYNC_DOWN_SFT	0
304 #define NAU8825_ADC_SYNC_DOWN_MASK	0x3
305 #define NAU8825_ADC_SYNC_DOWN_32	0
306 #define NAU8825_ADC_SYNC_DOWN_64	1
307 #define NAU8825_ADC_SYNC_DOWN_128	2
308 #define NAU8825_ADC_SYNC_DOWN_256	3
309 
310 /* DAC_CTRL1 (0x2c) */
311 #define NAU8825_DAC_CLIP_OFF	(1 << 7)
312 #define NAU8825_DAC_OVERSAMPLE_SFT	0
313 #define NAU8825_DAC_OVERSAMPLE_MASK	0x7
314 #define NAU8825_DAC_OVERSAMPLE_64	0
315 #define NAU8825_DAC_OVERSAMPLE_256	1
316 #define NAU8825_DAC_OVERSAMPLE_128	2
317 #define NAU8825_DAC_OVERSAMPLE_32	4
318 
319 /* ADC_DGAIN_CTRL (0x30) */
320 #define NAU8825_ADC_DIG_VOL_MASK	0xff
321 
322 /* MUTE_CTRL (0x31) */
323 #define NAU8825_DAC_ZERO_CROSSING_EN	(1 << 9)
324 #define NAU8825_DAC_SOFT_MUTE	(1 << 9)
325 
326 /* HSVOL_CTRL (0x32) */
327 #define NAU8825_HP_MUTE	(1 << 15)
328 #define NAU8825_HP_MUTE_AUTO	(1 << 14)
329 #define NAU8825_HPL_MUTE	(1 << 13)
330 #define NAU8825_HPR_MUTE	(1 << 12)
331 #define NAU8825_HPL_VOL_SFT	6
332 #define NAU8825_HPL_VOL_MASK	(0x3f << NAU8825_HPL_VOL_SFT)
333 #define NAU8825_HPR_VOL_SFT	0
334 #define NAU8825_HPR_VOL_MASK	(0x3f << NAU8825_HPR_VOL_SFT)
335 #define NAU8825_HP_VOL_MIN	0x36
336 
337 /* DACL_CTRL (0x33) */
338 #define NAU8825_DACL_CH_SEL_SFT	9
339 #define NAU8825_DACL_CH_SEL_MASK (0x1 << NAU8825_DACL_CH_SEL_SFT)
340 #define NAU8825_DACL_CH_SEL_L    (0x0 << NAU8825_DACL_CH_SEL_SFT)
341 #define NAU8825_DACL_CH_SEL_R    (0x1 << NAU8825_DACL_CH_SEL_SFT)
342 #define NAU8825_DACL_CH_VOL_MASK	0xff
343 
344 /* DACR_CTRL (0x34) */
345 #define NAU8825_DACR_CH_SEL_SFT	9
346 #define NAU8825_DACR_CH_SEL_MASK (0x1 << NAU8825_DACR_CH_SEL_SFT)
347 #define NAU8825_DACR_CH_SEL_L    (0x0 << NAU8825_DACR_CH_SEL_SFT)
348 #define NAU8825_DACR_CH_SEL_R    (0x1 << NAU8825_DACR_CH_SEL_SFT)
349 #define NAU8825_DACR_CH_VOL_MASK	0xff
350 
351 /* IMM_MODE_CTRL (0x4C) */
352 #define NAU8825_IMM_THD_SFT		8
353 #define NAU8825_IMM_THD_MASK		(0x3f << NAU8825_IMM_THD_SFT)
354 #define NAU8825_IMM_GEN_VOL_SFT	6
355 #define NAU8825_IMM_GEN_VOL_MASK	(0x3 << NAU8825_IMM_GEN_VOL_SFT)
356 #define NAU8825_IMM_GEN_VOL_1_2nd	(0x0 << NAU8825_IMM_GEN_VOL_SFT)
357 #define NAU8825_IMM_GEN_VOL_1_4th	(0x1 << NAU8825_IMM_GEN_VOL_SFT)
358 #define NAU8825_IMM_GEN_VOL_1_8th	(0x2 << NAU8825_IMM_GEN_VOL_SFT)
359 #define NAU8825_IMM_GEN_VOL_1_16th	(0x3 << NAU8825_IMM_GEN_VOL_SFT)
360 
361 #define NAU8825_IMM_CYC_SFT		4
362 #define NAU8825_IMM_CYC_MASK		(0x3 << NAU8825_IMM_CYC_SFT)
363 #define NAU8825_IMM_CYC_1024		(0x0 << NAU8825_IMM_CYC_SFT)
364 #define NAU8825_IMM_CYC_2048		(0x1 << NAU8825_IMM_CYC_SFT)
365 #define NAU8825_IMM_CYC_4096		(0x2 << NAU8825_IMM_CYC_SFT)
366 #define NAU8825_IMM_CYC_8192		(0x3 << NAU8825_IMM_CYC_SFT)
367 #define NAU8825_IMM_EN			(1 << 3)
368 #define NAU8825_IMM_DAC_SRC_MASK	0x7
369 #define NAU8825_IMM_DAC_SRC_BIQ	0x0
370 #define NAU8825_IMM_DAC_SRC_DRC	0x1
371 #define NAU8825_IMM_DAC_SRC_MIX	0x2
372 #define NAU8825_IMM_DAC_SRC_SIN	0x3
373 
374 /* CLASSG_CTRL (0x50) */
375 #define NAU8825_CLASSG_TIMER_SFT	8
376 #define NAU8825_CLASSG_TIMER_MASK	(0x3f << NAU8825_CLASSG_TIMER_SFT)
377 #define NAU8825_CLASSG_TIMER_1ms	(0x1 << NAU8825_CLASSG_TIMER_SFT)
378 #define NAU8825_CLASSG_TIMER_2ms	(0x2 << NAU8825_CLASSG_TIMER_SFT)
379 #define NAU8825_CLASSG_TIMER_8ms	(0x4 << NAU8825_CLASSG_TIMER_SFT)
380 #define NAU8825_CLASSG_TIMER_16ms	(0x8 << NAU8825_CLASSG_TIMER_SFT)
381 #define NAU8825_CLASSG_TIMER_32ms	(0x10 << NAU8825_CLASSG_TIMER_SFT)
382 #define NAU8825_CLASSG_TIMER_64ms	(0x20 << NAU8825_CLASSG_TIMER_SFT)
383 #define NAU8825_CLASSG_LDAC_EN		(0x1 << 2)
384 #define NAU8825_CLASSG_RDAC_EN		(0x1 << 1)
385 #define NAU8825_CLASSG_EN		(1 << 0)
386 
387 /* I2C_DEVICE_ID (0x58) */
388 #define NAU8825_GPIO2JD1	(1 << 7)
389 #define NAU8825_SOFTWARE_ID_MASK	0x3
390 #define NAU8825_SOFTWARE_ID_NAU8825	0x0
391 #define NAU8825_SOFTWARE_ID_NAU8825C	0x1
392 
393 /* BIAS_ADJ (0x66) */
394 #define NAU8825_BIAS_HPR_IMP		(1 << 15)
395 #define NAU8825_BIAS_HPL_IMP		(1 << 14)
396 #define NAU8825_BIAS_TESTDAC_SFT	8
397 #define NAU8825_BIAS_TESTDAC_EN	(0x3 << NAU8825_BIAS_TESTDAC_SFT)
398 #define NAU8825_BIAS_TESTDACR_EN	(0x2 << NAU8825_BIAS_TESTDAC_SFT)
399 #define NAU8825_BIAS_TESTDACL_EN	(0x1 << NAU8825_BIAS_TESTDAC_SFT)
400 #define NAU8825_BIAS_VMID	(1 << 6)
401 #define NAU8825_BIAS_VMID_SEL_SFT	4
402 #define NAU8825_BIAS_VMID_SEL_MASK	(3 << NAU8825_BIAS_VMID_SEL_SFT)
403 
404 /* ANALOG_CONTROL_1 (0x69) */
405 #define NAU8825_TESTDACIN_SFT		14
406 #define NAU8825_TESTDACIN_MASK		(0x3 << NAU8825_TESTDACIN_SFT)
407 #define NAU8825_TESTDACIN_HIGH		(1 << NAU8825_TESTDACIN_SFT)
408 #define NAU8825_TESTDACIN_LOW		(2 << NAU8825_TESTDACIN_SFT)
409 #define NAU8825_TESTDACIN_GND		(3 << NAU8825_TESTDACIN_SFT)
410 
411 /* ANALOG_CONTROL_2 (0x6a) */
412 #define NAU8825_HP_NON_CLASSG_CURRENT_2xADJ (1 << 12)
413 #define NAU8825_DAC_CAPACITOR_MSB (1 << 1)
414 #define NAU8825_DAC_CAPACITOR_LSB (1 << 0)
415 
416 /* ANALOG_ADC_2 (0x72) */
417 #define NAU8825_ADC_VREFSEL_MASK	(0x3 << 8)
418 #define NAU8825_ADC_VREFSEL_ANALOG	(0 << 8)
419 #define NAU8825_ADC_VREFSEL_VMID	(1 << 8)
420 #define NAU8825_ADC_VREFSEL_VMID_PLUS_0_5DB	(2 << 8)
421 #define NAU8825_ADC_VREFSEL_VMID_PLUS_1DB	(3 << 8)
422 #define NAU8825_POWERUP_ADCL	(1 << 6)
423 
424 /* RDAC (0x73) */
425 #define NAU8825_RDAC_FS_BCLK_ENB	(1 << 15)
426 #define NAU8825_RDAC_EN_SFT		12
427 #define NAU8825_RDAC_EN		(0x3 << NAU8825_RDAC_EN_SFT)
428 #define NAU8825_RDAC_CLK_EN_SFT	8
429 #define NAU8825_RDAC_CLK_EN		(0x3 << NAU8825_RDAC_CLK_EN_SFT)
430 #define NAU8825_RDAC_CLK_DELAY_SFT	4
431 #define NAU8825_RDAC_CLK_DELAY_MASK	(0x7 << NAU8825_RDAC_CLK_DELAY_SFT)
432 #define NAU8825_RDAC_VREF_SFT	2
433 #define NAU8825_RDAC_VREF_MASK	(0x3 << NAU8825_RDAC_VREF_SFT)
434 
435 /* MIC_BIAS (0x74) */
436 #define NAU8825_MICBIAS_JKSLV	(1 << 14)
437 #define NAU8825_MICBIAS_JKR2	(1 << 12)
438 #define NAU8825_MICBIAS_LOWNOISE_SFT	10
439 #define NAU8825_MICBIAS_LOWNOISE_MASK	(0x1 << NAU8825_MICBIAS_LOWNOISE_SFT)
440 #define NAU8825_MICBIAS_LOWNOISE_EN	(0x1 << NAU8825_MICBIAS_LOWNOISE_SFT)
441 #define NAU8825_MICBIAS_POWERUP_SFT	8
442 #define NAU8825_MICBIAS_VOLTAGE_SFT	0
443 #define NAU8825_MICBIAS_VOLTAGE_MASK	0x7
444 
445 /* BOOST (0x76) */
446 #define NAU8825_PRECHARGE_DIS	(1 << 13)
447 #define NAU8825_GLOBAL_BIAS_EN	(1 << 12)
448 #define NAU8825_DISCHRG_EN	(1 << 11)
449 #define NAU8825_HP_BOOST_DIS		(1 << 9)
450 #define NAU8825_HP_BOOST_G_DIS	(1 << 8)
451 #define NAU8825_SHORT_SHUTDOWN_EN	(1 << 6)
452 
453 /* FEPGA (0x77) */
454 #define NAU8825_ACDC_CTRL_SFT		14
455 #define NAU8825_ACDC_CTRL_MASK		(0x3 << NAU8825_ACDC_CTRL_SFT)
456 #define NAU8825_ACDC_VREF_MICP		(0x1 << NAU8825_ACDC_CTRL_SFT)
457 #define NAU8825_ACDC_VREF_MICN		(0x2 << NAU8825_ACDC_CTRL_SFT)
458 
459 /* POWER_UP_CONTROL (0x7f) */
460 #define NAU8825_POWERUP_INTEGR_R	(1 << 5)
461 #define NAU8825_POWERUP_INTEGR_L	(1 << 4)
462 #define NAU8825_POWERUP_DRV_IN_R	(1 << 3)
463 #define NAU8825_POWERUP_DRV_IN_L	(1 << 2)
464 #define NAU8825_POWERUP_HP_DRV_R	(1 << 1)
465 #define NAU8825_POWERUP_HP_DRV_L	(1 << 0)
466 
467 /* CHARGE_PUMP (0x80) */
468 #define NAU8825_ADCOUT_DS_SFT	12
469 #define NAU8825_ADCOUT_DS_MASK	(1 << NAU8825_ADCOUT_DS_SFT)
470 #define NAU8825_JAMNODCLOW	(1 << 10)
471 #define NAU8825_POWER_DOWN_DACR	(1 << 9)
472 #define NAU8825_POWER_DOWN_DACL	(1 << 8)
473 #define NAU8825_CHANRGE_PUMP_EN	(1 << 5)
474 
475 
476 /* System Clock Source */
477 enum {
478 	NAU8825_CLK_DIS = 0,
479 	NAU8825_CLK_MCLK,
480 	NAU8825_CLK_INTERNAL,
481 	NAU8825_CLK_FLL_MCLK,
482 	NAU8825_CLK_FLL_BLK,
483 	NAU8825_CLK_FLL_FS,
484 };
485 
486 /* Cross talk detection state */
487 enum {
488 	NAU8825_XTALK_PREPARE = 0,
489 	NAU8825_XTALK_HPR_R2L,
490 	NAU8825_XTALK_HPL_R2L,
491 	NAU8825_XTALK_IMM,
492 	NAU8825_XTALK_DONE,
493 };
494 
495 struct nau8825 {
496 	struct device *dev;
497 	struct regmap *regmap;
498 	struct snd_soc_dapm_context *dapm;
499 	struct snd_soc_jack *jack;
500 	struct clk *mclk;
501 	struct work_struct xtalk_work;
502 	struct semaphore xtalk_sem;
503 	int sw_id;
504 	int irq;
505 	int mclk_freq; /* 0 - mclk is disabled */
506 	int button_pressed;
507 	int micbias_voltage;
508 	int vref_impedance;
509 	bool jkdet_enable;
510 	bool jkdet_pull_enable;
511 	bool jkdet_pull_up;
512 	int jkdet_polarity;
513 	int sar_threshold_num;
514 	int sar_threshold[8];
515 	int sar_hysteresis;
516 	int sar_voltage;
517 	int sar_compare_time;
518 	int sar_sampling_time;
519 	int key_debounce;
520 	int jack_insert_debounce;
521 	int jack_eject_debounce;
522 	int high_imped;
523 	int xtalk_state;
524 	int xtalk_event;
525 	int xtalk_event_mask;
526 	bool xtalk_protect;
527 	int imp_rms[NAU8825_XTALK_IMM];
528 	int xtalk_enable;
529 	bool xtalk_baktab_initialized; /* True if initialized. */
530 	bool adcout_ds;
531 	int adc_delay;
532 };
533 
534 int nau8825_enable_jack_detect(struct snd_soc_component *component,
535 				struct snd_soc_jack *jack);
536 
537 
538 #endif  /* __NAU8825_H__ */
539