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[deliverable/linux.git] / sound / soc / codecs / nau8825.h
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1/*
2 * NAU8825 ALSA SoC audio driver
3 *
4 * Copyright 2015 Google Inc.
5 * Author: Anatol Pomozov <anatol.pomozov@chrominium.org>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12#ifndef __NAU8825_H__
13#define __NAU8825_H__
14
15#define NAU8825_REG_RESET 0x00
16#define NAU8825_REG_ENA_CTRL 0x01
45d5eb3a 17#define NAU8825_REG_IIC_ADDR_SET 0x02
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18#define NAU8825_REG_CLK_DIVIDER 0x03
19#define NAU8825_REG_FLL1 0x04
20#define NAU8825_REG_FLL2 0x05
21#define NAU8825_REG_FLL3 0x06
22#define NAU8825_REG_FLL4 0x07
23#define NAU8825_REG_FLL5 0x08
24#define NAU8825_REG_FLL6 0x09
25#define NAU8825_REG_FLL_VCO_RSV 0x0a
26#define NAU8825_REG_HSD_CTRL 0x0c
27#define NAU8825_REG_JACK_DET_CTRL 0x0d
28#define NAU8825_REG_INTERRUPT_MASK 0x0f
29#define NAU8825_REG_IRQ_STATUS 0x10
30#define NAU8825_REG_INT_CLR_KEY_STATUS 0x11
31#define NAU8825_REG_INTERRUPT_DIS_CTRL 0x12
32#define NAU8825_REG_SAR_CTRL 0x13
33#define NAU8825_REG_KEYDET_CTRL 0x14
34#define NAU8825_REG_VDET_THRESHOLD_1 0x15
35#define NAU8825_REG_VDET_THRESHOLD_2 0x16
36#define NAU8825_REG_VDET_THRESHOLD_3 0x17
37#define NAU8825_REG_VDET_THRESHOLD_4 0x18
38#define NAU8825_REG_GPIO34_CTRL 0x19
39#define NAU8825_REG_GPIO12_CTRL 0x1a
40#define NAU8825_REG_TDM_CTRL 0x1b
41#define NAU8825_REG_I2S_PCM_CTRL1 0x1c
42#define NAU8825_REG_I2S_PCM_CTRL2 0x1d
43#define NAU8825_REG_LEFT_TIME_SLOT 0x1e
44#define NAU8825_REG_RIGHT_TIME_SLOT 0x1f
45#define NAU8825_REG_BIQ_CTRL 0x20
46#define NAU8825_REG_BIQ_COF1 0x21
47#define NAU8825_REG_BIQ_COF2 0x22
48#define NAU8825_REG_BIQ_COF3 0x23
49#define NAU8825_REG_BIQ_COF4 0x24
50#define NAU8825_REG_BIQ_COF5 0x25
51#define NAU8825_REG_BIQ_COF6 0x26
52#define NAU8825_REG_BIQ_COF7 0x27
53#define NAU8825_REG_BIQ_COF8 0x28
54#define NAU8825_REG_BIQ_COF9 0x29
55#define NAU8825_REG_BIQ_COF10 0x2a
56#define NAU8825_REG_ADC_RATE 0x2b
57#define NAU8825_REG_DAC_CTRL1 0x2c
58#define NAU8825_REG_DAC_CTRL2 0x2d
59#define NAU8825_REG_DAC_DGAIN_CTRL 0x2f
60#define NAU8825_REG_ADC_DGAIN_CTRL 0x30
61#define NAU8825_REG_MUTE_CTRL 0x31
62#define NAU8825_REG_HSVOL_CTRL 0x32
63#define NAU8825_REG_DACL_CTRL 0x33
64#define NAU8825_REG_DACR_CTRL 0x34
65#define NAU8825_REG_ADC_DRC_KNEE_IP12 0x38
66#define NAU8825_REG_ADC_DRC_KNEE_IP34 0x39
67#define NAU8825_REG_ADC_DRC_SLOPES 0x3a
68#define NAU8825_REG_ADC_DRC_ATKDCY 0x3b
69#define NAU8825_REG_DAC_DRC_KNEE_IP12 0x45
70#define NAU8825_REG_DAC_DRC_KNEE_IP34 0x46
71#define NAU8825_REG_DAC_DRC_SLOPES 0x47
72#define NAU8825_REG_DAC_DRC_ATKDCY 0x48
73#define NAU8825_REG_IMM_MODE_CTRL 0x4c
74#define NAU8825_REG_IMM_RMS_L 0x4d
75#define NAU8825_REG_IMM_RMS_R 0x4e
76#define NAU8825_REG_CLASSG_CTRL 0x50
77#define NAU8825_REG_OPT_EFUSE_CTRL 0x51
78#define NAU8825_REG_MISC_CTRL 0x55
79#define NAU8825_REG_I2C_DEVICE_ID 0x58
80#define NAU8825_REG_SARDOUT_RAM_STATUS 0x59
81#define NAU8825_REG_BIAS_ADJ 0x66
82#define NAU8825_REG_TRIM_SETTINGS 0x68
83#define NAU8825_REG_ANALOG_CONTROL_1 0x69
84#define NAU8825_REG_ANALOG_CONTROL_2 0x6a
85#define NAU8825_REG_ANALOG_ADC_1 0x71
86#define NAU8825_REG_ANALOG_ADC_2 0x72
87#define NAU8825_REG_RDAC 0x73
88#define NAU8825_REG_MIC_BIAS 0x74
89#define NAU8825_REG_BOOST 0x76
90#define NAU8825_REG_FEPGA 0x77
91#define NAU8825_REG_POWER_UP_CONTROL 0x7f
92#define NAU8825_REG_CHARGE_PUMP 0x80
93#define NAU8825_REG_CHARGE_PUMP_INPUT_READ 0x81
94#define NAU8825_REG_GENERAL_STATUS 0x82
95#define NAU8825_REG_MAX NAU8825_REG_GENERAL_STATUS
96
97/* ENA_CTRL (0x1) */
98#define NAU8825_ENABLE_DACR_SFT 10
99#define NAU8825_ENABLE_DACR (1 << NAU8825_ENABLE_DACR_SFT)
100#define NAU8825_ENABLE_DACL_SFT 9
101#define NAU8825_ENABLE_ADC_SFT 8
102#define NAU8825_ENABLE_SAR_SFT 1
103
104/* CLK_DIVIDER (0x3) */
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105#define NAU8825_CLK_SRC_SFT 15
106#define NAU8825_CLK_SRC_MASK (1 << NAU8825_CLK_SRC_SFT)
107#define NAU8825_CLK_SRC_VCO (1 << NAU8825_CLK_SRC_SFT)
108#define NAU8825_CLK_SRC_MCLK (0 << NAU8825_CLK_SRC_SFT)
109#define NAU8825_CLK_MCLK_SRC_MASK (0xf << 0)
110
111/* FLL1 (0x04) */
112#define NAU8825_FLL_RATIO_MASK (0x7f << 0)
113
114/* FLL3 (0x06) */
115#define NAU8825_FLL_INTEGER_MASK (0x3ff << 0)
116
117/* FLL4 (0x07) */
118#define NAU8825_FLL_REF_DIV_MASK (0x3 << 10)
119
120/* FLL5 (0x08) */
121#define NAU8825_FLL_FILTER_SW_MASK (0x1 << 14)
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122
123/* FLL6 (0x9) */
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124#define NAU8825_DCO_EN_MASK (0x1 << 15)
125#define NAU8825_DCO_EN (0x1 << 15)
126#define NAU8825_DCO_DIS (0x0 << 15)
127#define NAU8825_SDM_EN_MASK (0x1 << 14)
128#define NAU8825_SDM_EN (0x1 << 14)
129#define NAU8825_SDM_DIS (0x0 << 14)
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130
131/* HSD_CTRL (0xc) */
132#define NAU8825_HSD_AUTO_MODE (1 << 6)
45d5eb3a 133/* 0 - open, 1 - short to GND */
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134#define NAU8825_SPKR_DWN1R (1 << 1)
135#define NAU8825_SPKR_DWN1L (1 << 0)
136
137/* JACK_DET_CTRL (0xd) */
138#define NAU8825_JACK_DET_RESTART (1 << 9)
139#define NAU8825_JACK_INSERT_DEBOUNCE_SFT 5
140#define NAU8825_JACK_INSERT_DEBOUNCE_MASK (0x7 << NAU8825_JACK_INSERT_DEBOUNCE_SFT)
141#define NAU8825_JACK_EJECT_DEBOUNCE_SFT 2
142#define NAU8825_JACK_EJECT_DEBOUNCE_MASK (0x7 << NAU8825_JACK_EJECT_DEBOUNCE_SFT)
143#define NAU8825_JACK_POLARITY (1 << 1) /* 0 - active low, 1 - active high */
144
145/* INTERRUPT_MASK (0xf) */
146#define NAU8825_IRQ_OUTPUT_EN (1 << 11)
147#define NAU8825_IRQ_HEADSET_COMPLETE_EN (1 << 10)
148#define NAU8825_IRQ_KEY_RELEASE_EN (1 << 7)
149#define NAU8825_IRQ_KEY_SHORT_PRESS_EN (1 << 5)
150#define NAU8825_IRQ_EJECT_EN (1 << 2)
151
152/* IRQ_STATUS (0x10) */
153#define NAU8825_HEADSET_COMPLETION_IRQ (1 << 10)
154#define NAU8825_SHORT_CIRCUIT_IRQ (1 << 9)
155#define NAU8825_IMPEDANCE_MEAS_IRQ (1 << 8)
156#define NAU8825_KEY_IRQ_MASK (0x7 << 5)
157#define NAU8825_KEY_RELEASE_IRQ (1 << 7)
158#define NAU8825_KEY_LONG_PRESS_IRQ (1 << 6)
159#define NAU8825_KEY_SHORT_PRESS_IRQ (1 << 5)
160#define NAU8825_MIC_DETECTION_IRQ (1 << 4)
161#define NAU8825_JACK_EJECTION_IRQ_MASK (3 << 2)
162#define NAU8825_JACK_EJECTION_DETECTED (1 << 2)
163#define NAU8825_JACK_INSERTION_IRQ_MASK (3 << 0)
164#define NAU8825_JACK_INSERTION_DETECTED (1 << 0)
165
166/* INTERRUPT_DIS_CTRL (0x12) */
167#define NAU8825_IRQ_HEADSET_COMPLETE_DIS (1 << 10)
168#define NAU8825_IRQ_KEY_RELEASE_DIS (1 << 7)
169#define NAU8825_IRQ_KEY_SHORT_PRESS_DIS (1 << 5)
170#define NAU8825_IRQ_EJECT_DIS (1 << 2)
171
172/* SAR_CTRL (0x13) */
173#define NAU8825_SAR_ADC_EN_SFT 12
174#define NAU8825_SAR_ADC_EN (1 << NAU8825_SAR_ADC_EN_SFT)
175#define NAU8825_SAR_INPUT_MASK (1 << 11)
176#define NAU8825_SAR_INPUT_JKSLV (1 << 11)
177#define NAU8825_SAR_INPUT_JKR2 (0 << 11)
178#define NAU8825_SAR_TRACKING_GAIN_SFT 8
179#define NAU8825_SAR_TRACKING_GAIN_MASK (0x7 << NAU8825_SAR_TRACKING_GAIN_SFT)
180#define NAU8825_SAR_COMPARE_TIME_SFT 2
181#define NAU8825_SAR_COMPARE_TIME_MASK (3 << 2)
182#define NAU8825_SAR_SAMPLING_TIME_SFT 0
183#define NAU8825_SAR_SAMPLING_TIME_MASK (3 << 0)
184
185/* KEYDET_CTRL (0x14) */
186#define NAU8825_KEYDET_SHORTKEY_DEBOUNCE_SFT 12
187#define NAU8825_KEYDET_SHORTKEY_DEBOUNCE_MASK (0x3 << NAU8825_KEYDET_SHORTKEY_DEBOUNCE_SFT)
188#define NAU8825_KEYDET_LEVELS_NR_SFT 8
189#define NAU8825_KEYDET_LEVELS_NR_MASK (0x7 << 8)
190#define NAU8825_KEYDET_HYSTERESIS_SFT 0
191#define NAU8825_KEYDET_HYSTERESIS_MASK 0xf
192
193/* GPIO12_CTRL (0x1a) */
194#define NAU8825_JKDET_PULL_UP (1 << 11) /* 0 - pull down, 1 - pull up */
195#define NAU8825_JKDET_PULL_EN (1 << 9) /* 0 - enable pull, 1 - disable */
196#define NAU8825_JKDET_OUTPUT_EN (1 << 8) /* 0 - enable input, 1 - enable output */
197
198/* I2S_PCM_CTRL1 (0x1c) */
199#define NAU8825_I2S_BP_SFT 7
200#define NAU8825_I2S_BP_MASK (1 << NAU8825_I2S_BP_SFT)
201#define NAU8825_I2S_BP_INV (1 << NAU8825_I2S_BP_SFT)
202#define NAU8825_I2S_PCMB_SFT 6
203#define NAU8825_I2S_PCMB_MASK (1 << NAU8825_I2S_PCMB_SFT)
204#define NAU8825_I2S_PCMB_EN (1 << NAU8825_I2S_PCMB_SFT)
205#define NAU8825_I2S_DL_SFT 2
206#define NAU8825_I2S_DL_MASK (0x3 << NAU8825_I2S_DL_SFT)
207#define NAU8825_I2S_DL_16 (0 << NAU8825_I2S_DL_SFT)
208#define NAU8825_I2S_DL_20 (1 << NAU8825_I2S_DL_SFT)
209#define NAU8825_I2S_DL_24 (2 << NAU8825_I2S_DL_SFT)
210#define NAU8825_I2S_DL_32 (3 << NAU8825_I2S_DL_SFT)
211#define NAU8825_I2S_DF_SFT 0
212#define NAU8825_I2S_DF_MASK (0x3 << NAU8825_I2S_DF_SFT)
213#define NAU8825_I2S_DF_RIGTH (0 << NAU8825_I2S_DF_SFT)
214#define NAU8825_I2S_DF_LEFT (1 << NAU8825_I2S_DF_SFT)
215#define NAU8825_I2S_DF_I2S (2 << NAU8825_I2S_DF_SFT)
216#define NAU8825_I2S_DF_PCM_AB (3 << NAU8825_I2S_DF_SFT)
217
218/* I2S_PCM_CTRL2 (0x1d) */
219#define NAU8825_I2S_TRISTATE (1 << 15) /* 0 - normal mode, 1 - Hi-Z output */
220#define NAU8825_I2S_MS_SFT 3
221#define NAU8825_I2S_MS_MASK (1 << NAU8825_I2S_MS_SFT)
222#define NAU8825_I2S_MS_MASTER (1 << NAU8825_I2S_MS_SFT)
223#define NAU8825_I2S_MS_SLAVE (0 << NAU8825_I2S_MS_SFT)
224
225/* ADC_RATE (0x2b) */
226#define NAU8825_ADC_SYNC_DOWN_SFT 0
227#define NAU8825_ADC_SYNC_DOWN_MASK 0x3
228#define NAU8825_ADC_SYNC_DOWN_32 0
229#define NAU8825_ADC_SYNC_DOWN_64 1
230#define NAU8825_ADC_SYNC_DOWN_128 2
231#define NAU8825_ADC_SYNC_DOWN_256 3
232
233/* DAC_CTRL1 (0x2c) */
234#define NAU8825_DAC_CLIP_OFF (1 << 7)
235#define NAU8825_DAC_OVERSAMPLE_SFT 0
236#define NAU8825_DAC_OVERSAMPLE_MASK 0x7
237#define NAU8825_DAC_OVERSAMPLE_64 0
238#define NAU8825_DAC_OVERSAMPLE_256 1
239#define NAU8825_DAC_OVERSAMPLE_128 2
240#define NAU8825_DAC_OVERSAMPLE_32 4
241
242/* MUTE_CTRL (0x31) */
243#define NAU8825_DAC_ZERO_CROSSING_EN (1 << 9)
244#define NAU8825_DAC_SOFT_MUTE (1 << 9)
245
246/* HSVOL_CTRL (0x32) */
247#define NAU8825_HP_MUTE (1 << 15)
248
249/* DACL_CTRL (0x33) */
250#define NAU8825_DACL_CH_SEL_SFT 9
251
252/* DACR_CTRL (0x34) */
253#define NAU8825_DACR_CH_SEL_SFT 9
254
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255/* CLASSG_CTRL (0x50) */
256#define NAU8825_CLASSG_TIMER_SFT 8
257#define NAU8825_CLASSG_TIMER_MASK (0x3f << NAU8825_CLASSG_TIMER_SFT)
258#define NAU8825_CLASSG_EN (1 << 0)
259
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260/* I2C_DEVICE_ID (0x58) */
261#define NAU8825_GPIO2JD1 (1 << 7)
262#define NAU8825_SOFTWARE_ID_MASK 0x3
263#define NAU8825_SOFTWARE_ID_NAU8825 0x0
264
265/* BIAS_ADJ (0x66) */
45d5eb3a 266#define NAU8825_BIAS_TESTDAC_EN (0x3 << 8)
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267#define NAU8825_BIAS_VMID (1 << 6)
268#define NAU8825_BIAS_VMID_SEL_SFT 4
269#define NAU8825_BIAS_VMID_SEL_MASK (3 << NAU8825_BIAS_VMID_SEL_SFT)
270
271/* ANALOG_CONTROL_2 (0x6a) */
272#define NAU8825_HP_NON_CLASSG_CURRENT_2xADJ (1 << 12)
273#define NAU8825_DAC_CAPACITOR_MSB (1 << 1)
274#define NAU8825_DAC_CAPACITOR_LSB (1 << 0)
275
276/* ANALOG_ADC_2 (0x72) */
277#define NAU8825_ADC_VREFSEL_MASK (0x3 << 8)
278#define NAU8825_ADC_VREFSEL_ANALOG (0 << 8)
279#define NAU8825_ADC_VREFSEL_VMID (1 << 8)
280#define NAU8825_ADC_VREFSEL_VMID_PLUS_0_5DB (2 << 8)
281#define NAU8825_ADC_VREFSEL_VMID_PLUS_1DB (3 << 8)
282#define NAU8825_POWERUP_ADCL (1 << 6)
283
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284/* RDAC (0x73) */
285#define NAU8825_RDAC_CLK_DELAY_SFT 4
286#define NAU8825_RDAC_CLK_DELAY_MASK (0x7 << NAU8825_RDAC_CLK_DELAY_SFT)
287#define NAU8825_RDAC_VREF_SFT 2
288#define NAU8825_RDAC_VREF_MASK (0x3 << NAU8825_RDAC_VREF_SFT)
289
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290/* MIC_BIAS (0x74) */
291#define NAU8825_MICBIAS_JKSLV (1 << 14)
292#define NAU8825_MICBIAS_JKR2 (1 << 12)
293#define NAU8825_MICBIAS_POWERUP_SFT 8
294#define NAU8825_MICBIAS_VOLTAGE_SFT 0
295#define NAU8825_MICBIAS_VOLTAGE_MASK 0x7
296
297/* BOOST (0x76) */
298#define NAU8825_PRECHARGE_DIS (1 << 13)
299#define NAU8825_GLOBAL_BIAS_EN (1 << 12)
45d5eb3a 300#define NAU8825_HP_BOOST_DIS (1 << 9)
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301#define NAU8825_HP_BOOST_G_DIS (1 << 8)
302#define NAU8825_SHORT_SHUTDOWN_EN (1 << 6)
303
304/* POWER_UP_CONTROL (0x7f) */
305#define NAU8825_POWERUP_INTEGR_R (1 << 5)
306#define NAU8825_POWERUP_INTEGR_L (1 << 4)
307#define NAU8825_POWERUP_DRV_IN_R (1 << 3)
308#define NAU8825_POWERUP_DRV_IN_L (1 << 2)
309#define NAU8825_POWERUP_HP_DRV_R (1 << 1)
310#define NAU8825_POWERUP_HP_DRV_L (1 << 0)
311
312/* CHARGE_PUMP (0x80) */
313#define NAU8825_JAMNODCLOW (1 << 10)
314#define NAU8825_POWER_DOWN_DACR (1 << 9)
315#define NAU8825_POWER_DOWN_DACL (1 << 8)
316#define NAU8825_CHANRGE_PUMP_EN (1 << 5)
317
318
319/* System Clock Source */
320enum {
321 NAU8825_CLK_MCLK = 0,
322 NAU8825_CLK_INTERNAL,
323};
324
325struct nau8825 {
326 struct device *dev;
327 struct regmap *regmap;
328 struct snd_soc_dapm_context *dapm;
329 struct snd_soc_jack *jack;
330 struct clk *mclk;
331 int irq;
332 int mclk_freq; /* 0 - mclk is disabled */
333 int button_pressed;
334 int micbias_voltage;
335 int vref_impedance;
336 bool jkdet_enable;
337 bool jkdet_pull_enable;
338 bool jkdet_pull_up;
339 int jkdet_polarity;
340 int sar_threshold_num;
341 int sar_threshold[8];
342 int sar_hysteresis;
343 int sar_voltage;
344 int sar_compare_time;
345 int sar_sampling_time;
346 int key_debounce;
347 int jack_insert_debounce;
348 int jack_eject_debounce;
349};
350
351int nau8825_enable_jack_detect(struct snd_soc_codec *codec,
352 struct snd_soc_jack *jack);
353
354
355#endif /* __NAU8825_H__ */
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