summaryrefslogtreecommitdiffstats
path: root/sound/soc/codecs/nau8540.h
blob: 5db5b224944dd12ceff7df4d8244bc7bfd8d48e1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
/*
 * NAU85L40 ALSA SoC audio driver
 *
 * Copyright 2016 Nuvoton Technology Corp.
 * Author: John Hsu <KCHSU0@nuvoton.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef __NAU8540_H__
#define __NAU8540_H__

#define NAU8540_REG_SW_RESET			0x00
#define NAU8540_REG_POWER_MANAGEMENT	0x01
#define NAU8540_REG_CLOCK_CTRL		0x02
#define NAU8540_REG_CLOCK_SRC			0x03
#define NAU8540_REG_FLL1			0x04
#define NAU8540_REG_FLL2			0x05
#define NAU8540_REG_FLL3			0x06
#define NAU8540_REG_FLL4			0x07
#define NAU8540_REG_FLL5			0x08
#define NAU8540_REG_FLL6			0x09
#define NAU8540_REG_FLL_VCO_RSV		0x0A
#define NAU8540_REG_PCM_CTRL0			0x10
#define NAU8540_REG_PCM_CTRL1			0x11
#define NAU8540_REG_PCM_CTRL2			0x12
#define NAU8540_REG_PCM_CTRL3			0x13
#define NAU8540_REG_PCM_CTRL4			0x14
#define NAU8540_REG_ALC_CONTROL_1		0x20
#define NAU8540_REG_ALC_CONTROL_2		0x21
#define NAU8540_REG_ALC_CONTROL_3		0x22
#define NAU8540_REG_ALC_CONTROL_4		0x23
#define NAU8540_REG_ALC_CONTROL_5		0x24
#define NAU8540_REG_ALC_GAIN_CH12		0x2D
#define NAU8540_REG_ALC_GAIN_CH34		0x2E
#define NAU8540_REG_ALC_STATUS		0x2F
#define NAU8540_REG_NOTCH_FIL1_CH1		0x30
#define NAU8540_REG_NOTCH_FIL2_CH1		0x31
#define NAU8540_REG_NOTCH_FIL1_CH2		0x32
#define NAU8540_REG_NOTCH_FIL2_CH2		0x33
#define NAU8540_REG_NOTCH_FIL1_CH3		0x34
#define NAU8540_REG_NOTCH_FIL2_CH3		0x35
#define NAU8540_REG_NOTCH_FIL1_CH4		0x36
#define NAU8540_REG_NOTCH_FIL2_CH4		0x37
#define NAU8540_REG_HPF_FILTER_CH12		0x38
#define NAU8540_REG_HPF_FILTER_CH34		0x39
#define NAU8540_REG_ADC_SAMPLE_RATE		0x3A
#define NAU8540_REG_DIGITAL_GAIN_CH1		0x40
#define NAU8540_REG_DIGITAL_GAIN_CH2		0x41
#define NAU8540_REG_DIGITAL_GAIN_CH3		0x42
#define NAU8540_REG_DIGITAL_GAIN_CH4		0x43
#define NAU8540_REG_DIGITAL_MUX		0x44
#define NAU8540_REG_P2P_CH1			0x48
#define NAU8540_REG_P2P_CH2			0x49
#define NAU8540_REG_P2P_CH3			0x4A
#define NAU8540_REG_P2P_CH4			0x4B
#define NAU8540_REG_PEAK_CH1			0x4C
#define NAU8540_REG_PEAK_CH2			0x4D
#define NAU8540_REG_PEAK_CH3			0x4E
#define NAU8540_REG_PEAK_CH4			0x4F
#define NAU8540_REG_GPIO_CTRL			0x50
#define NAU8540_REG_MISC_CTRL			0x51
#define NAU8540_REG_I2C_CTRL			0x52
#define NAU8540_REG_I2C_DEVICE_ID		0x58
#define NAU8540_REG_RST			0x5A
#define NAU8540_REG_VMID_CTRL			0x60
#define NAU8540_REG_MUTE			0x61
#define NAU8540_REG_ANALOG_ADC1		0x64
#define NAU8540_REG_ANALOG_ADC2		0x65
#define NAU8540_REG_ANALOG_PWR		0x66
#define NAU8540_REG_MIC_BIAS			0x67
#define NAU8540_REG_REFERENCE			0x68
#define NAU8540_REG_FEPGA1			0x69
#define NAU8540_REG_FEPGA2			0x6A
#define NAU8540_REG_FEPGA3			0x6B
#define NAU8540_REG_FEPGA4			0x6C
#define NAU8540_REG_PWR			0x6D
#define NAU8540_REG_MAX			NAU8540_REG_PWR


/* POWER_MANAGEMENT (0x01) */
#define NAU8540_ADC4_EN		(0x1 << 3)
#define NAU8540_ADC3_EN		(0x1 << 2)
#define NAU8540_ADC2_EN		(0x1 << 1)
#define NAU8540_ADC1_EN		0x1

/* CLOCK_CTRL (0x02) */
#define NAU8540_CLK_ADC_EN		(0x1 << 15)
#define NAU8540_CLK_I2S_EN		(0x1 << 1)

/* CLOCK_SRC (0x03) */
#define NAU8540_CLK_SRC_SFT		15
#define NAU8540_CLK_SRC_MASK		(1 << NAU8540_CLK_SRC_SFT)
#define NAU8540_CLK_SRC_VCO		(1 << NAU8540_CLK_SRC_SFT)
#define NAU8540_CLK_SRC_MCLK		(0 << NAU8540_CLK_SRC_SFT)
#define NAU8540_CLK_ADC_SRC_SFT	6
#define NAU8540_CLK_ADC_SRC_MASK	(0x3 << NAU8540_CLK_ADC_SRC_SFT)
#define NAU8540_CLK_MCLK_SRC_MASK	0xf

/* FLL1 (0x04) */
#define NAU8540_FLL_RATIO_MASK	0x7f

/* FLL3 (0x06) */
#define NAU8540_FLL_CLK_SRC_SFT	10
#define NAU8540_FLL_CLK_SRC_MASK	(0x3 << NAU8540_FLL_CLK_SRC_SFT)
#define NAU8540_FLL_CLK_SRC_MCLK	(0 << NAU8540_FLL_CLK_SRC_SFT)
#define NAU8540_FLL_CLK_SRC_BLK	(0x2 << NAU8540_FLL_CLK_SRC_SFT)
#define NAU8540_FLL_CLK_SRC_FS		(0x3 << NAU8540_FLL_CLK_SRC_SFT)
#define NAU8540_FLL_INTEGER_MASK	0x3ff

/* FLL4 (0x07) */
#define NAU8540_FLL_REF_DIV_SFT	10
#define NAU8540_FLL_REF_DIV_MASK	(0x3 << NAU8540_FLL_REF_DIV_SFT)

/* FLL5 (0x08) */
#define NAU8540_FLL_PDB_DAC_EN	(0x1 << 15)
#define NAU8540_FLL_LOOP_FTR_EN	(0x1 << 14)
#define NAU8540_FLL_CLK_SW_MASK	(0x1 << 13)
#define NAU8540_FLL_CLK_SW_N2		(0x1 << 13)
#define NAU8540_FLL_CLK_SW_REF	(0x0 << 13)
#define NAU8540_FLL_FTR_SW_MASK	(0x1 << 12)
#define NAU8540_FLL_FTR_SW_ACCU	(0x1 << 12)
#define NAU8540_FLL_FTR_SW_FILTER	(0x0 << 12)

/* FLL6 (0x9) */
#define NAU8540_DCO_EN			(0x1 << 15)
#define NAU8540_SDM_EN			(0x1 << 14)

/* PCM_CTRL0 (0x10) */
#define NAU8540_I2S_BP_SFT		7
#define NAU8540_I2S_BP_INV		(0x1 << NAU8540_I2S_BP_SFT)
#define NAU8540_I2S_PCMB_SFT		6
#define NAU8540_I2S_PCMB_EN		(0x1 << NAU8540_I2S_PCMB_SFT)
#define NAU8540_I2S_DL_SFT		2
#define NAU8540_I2S_DL_MASK		(0x3 << NAU8540_I2S_DL_SFT)
#define NAU8540_I2S_DL_16		(0 << NAU8540_I2S_DL_SFT)
#define NAU8540_I2S_DL_20		(0x1 << NAU8540_I2S_DL_SFT)
#define NAU8540_I2S_DL_24		(0x2 << NAU8540_I2S_DL_SFT)
#define NAU8540_I2S_DL_32		(0x3 << NAU8540_I2S_DL_SFT)
#define NAU8540_I2S_DF_MASK		0x3
#define NAU8540_I2S_DF_RIGTH		0
#define NAU8540_I2S_DF_LEFT		0x1
#define NAU8540_I2S_DF_I2S		0x2
#define NAU8540_I2S_DF_PCM_AB		0x3

/* PCM_CTRL1 (0x11) */
#define NAU8540_I2S_LRC_DIV_SFT	12
#define NAU8540_I2S_LRC_DIV_MASK	(0x3 << NAU8540_I2S_LRC_DIV_SFT)
#define NAU8540_I2S_DO12_OE		(0x1 << 4)
#define NAU8540_I2S_MS_SFT		3
#define NAU8540_I2S_MS_MASK		(0x1 << NAU8540_I2S_MS_SFT)
#define NAU8540_I2S_MS_MASTER		(0x1 << NAU8540_I2S_MS_SFT)
#define NAU8540_I2S_MS_SLAVE		(0x0 << NAU8540_I2S_MS_SFT)
#define NAU8540_I2S_BLK_DIV_MASK	0x7

/* PCM_CTRL1 (0x12) */
#define NAU8540_I2S_DO34_OE		(0x1 << 11)
#define NAU8540_I2S_TSLOT_L_MASK	0x3ff

/* PCM_CTRL4 (0x14) */
#define NAU8540_TDM_MODE		(0x1 << 15)
#define NAU8540_TDM_OFFSET_EN		(0x1 << 14)
#define NAU8540_TDM_TX_MASK		0xf

/* ADC_SAMPLE_RATE (0x3A) */
#define NAU8540_ADC_OSR_MASK		0x3
#define NAU8540_ADC_OSR_256		0x3
#define NAU8540_ADC_OSR_128		0x2
#define NAU8540_ADC_OSR_64		0x1
#define NAU8540_ADC_OSR_32		0x0

/* VMID_CTRL (0x60) */
#define NAU8540_VMID_EN		(1 << 6)
#define NAU8540_VMID_SEL_SFT		4
#define NAU8540_VMID_SEL_MASK		(0x3 << NAU8540_VMID_SEL_SFT)

/* MIC_BIAS (0x67) */
#define NAU8540_PU_PRE			(0x1 << 8)

/* REFERENCE (0x68) */
#define NAU8540_PRECHARGE_DIS		(0x1 << 13)
#define NAU8540_GLOBAL_BIAS_EN	(0x1 << 12)


/* System Clock Source */
enum {
	NAU8540_CLK_DIS,
	NAU8540_CLK_MCLK,
	NAU8540_CLK_INTERNAL,
	NAU8540_CLK_FLL_MCLK,
	NAU8540_CLK_FLL_BLK,
	NAU8540_CLK_FLL_FS,
};

struct nau8540 {
	struct device *dev;
	struct regmap *regmap;
};

struct nau8540_fll {
	int mclk_src;
	int ratio;
	int fll_frac;
	int fll_int;
	int clk_ref_div;
};

struct nau8540_fll_attr {
	unsigned int param;
	unsigned int val;
};

/* over sampling rate */
struct nau8540_osr_attr {
	unsigned int osr;
	unsigned int clk_src;
};


#endif	/* __NAU8540_H__ */
OpenPOWER on IntegriCloud