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