1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * NAU85L40 ALSA SoC audio driver
4 *
5 * Copyright 2016 Nuvoton Technology Corp.
6 * Author: John Hsu <KCHSU0@nuvoton.com>
7 */
8
9#ifndef __NAU8540_H__
10#define __NAU8540_H__
11
12#define NAU8540_REG_SW_RESET			0x00
13#define NAU8540_REG_POWER_MANAGEMENT	0x01
14#define NAU8540_REG_CLOCK_CTRL		0x02
15#define NAU8540_REG_CLOCK_SRC			0x03
16#define NAU8540_REG_FLL1			0x04
17#define NAU8540_REG_FLL2			0x05
18#define NAU8540_REG_FLL3			0x06
19#define NAU8540_REG_FLL4			0x07
20#define NAU8540_REG_FLL5			0x08
21#define NAU8540_REG_FLL6			0x09
22#define NAU8540_REG_FLL_VCO_RSV		0x0A
23#define NAU8540_REG_PCM_CTRL0			0x10
24#define NAU8540_REG_PCM_CTRL1			0x11
25#define NAU8540_REG_PCM_CTRL2			0x12
26#define NAU8540_REG_PCM_CTRL3			0x13
27#define NAU8540_REG_PCM_CTRL4			0x14
28#define NAU8540_REG_ALC_CONTROL_1		0x20
29#define NAU8540_REG_ALC_CONTROL_2		0x21
30#define NAU8540_REG_ALC_CONTROL_3		0x22
31#define NAU8540_REG_ALC_CONTROL_4		0x23
32#define NAU8540_REG_ALC_CONTROL_5		0x24
33#define NAU8540_REG_ALC_GAIN_CH12		0x2D
34#define NAU8540_REG_ALC_GAIN_CH34		0x2E
35#define NAU8540_REG_ALC_STATUS		0x2F
36#define NAU8540_REG_NOTCH_FIL1_CH1		0x30
37#define NAU8540_REG_NOTCH_FIL2_CH1		0x31
38#define NAU8540_REG_NOTCH_FIL1_CH2		0x32
39#define NAU8540_REG_NOTCH_FIL2_CH2		0x33
40#define NAU8540_REG_NOTCH_FIL1_CH3		0x34
41#define NAU8540_REG_NOTCH_FIL2_CH3		0x35
42#define NAU8540_REG_NOTCH_FIL1_CH4		0x36
43#define NAU8540_REG_NOTCH_FIL2_CH4		0x37
44#define NAU8540_REG_HPF_FILTER_CH12		0x38
45#define NAU8540_REG_HPF_FILTER_CH34		0x39
46#define NAU8540_REG_ADC_SAMPLE_RATE		0x3A
47#define NAU8540_REG_DIGITAL_GAIN_CH1		0x40
48#define NAU8540_REG_DIGITAL_GAIN_CH2		0x41
49#define NAU8540_REG_DIGITAL_GAIN_CH3		0x42
50#define NAU8540_REG_DIGITAL_GAIN_CH4		0x43
51#define NAU8540_REG_DIGITAL_MUX		0x44
52#define NAU8540_REG_P2P_CH1			0x48
53#define NAU8540_REG_P2P_CH2			0x49
54#define NAU8540_REG_P2P_CH3			0x4A
55#define NAU8540_REG_P2P_CH4			0x4B
56#define NAU8540_REG_PEAK_CH1			0x4C
57#define NAU8540_REG_PEAK_CH2			0x4D
58#define NAU8540_REG_PEAK_CH3			0x4E
59#define NAU8540_REG_PEAK_CH4			0x4F
60#define NAU8540_REG_GPIO_CTRL			0x50
61#define NAU8540_REG_MISC_CTRL			0x51
62#define NAU8540_REG_I2C_CTRL			0x52
63#define NAU8540_REG_I2C_DEVICE_ID		0x58
64#define NAU8540_REG_RST			0x5A
65#define NAU8540_REG_VMID_CTRL			0x60
66#define NAU8540_REG_MUTE			0x61
67#define NAU8540_REG_ANALOG_ADC1		0x64
68#define NAU8540_REG_ANALOG_ADC2		0x65
69#define NAU8540_REG_ANALOG_PWR		0x66
70#define NAU8540_REG_MIC_BIAS			0x67
71#define NAU8540_REG_REFERENCE			0x68
72#define NAU8540_REG_FEPGA1			0x69
73#define NAU8540_REG_FEPGA2			0x6A
74#define NAU8540_REG_FEPGA3			0x6B
75#define NAU8540_REG_FEPGA4			0x6C
76#define NAU8540_REG_PWR			0x6D
77#define NAU8540_REG_MAX			NAU8540_REG_PWR
78
79
80/* POWER_MANAGEMENT (0x01) */
81#define NAU8540_ADC_ALL_EN	0xf
82#define NAU8540_ADC4_EN		(0x1 << 3)
83#define NAU8540_ADC3_EN		(0x1 << 2)
84#define NAU8540_ADC2_EN		(0x1 << 1)
85#define NAU8540_ADC1_EN		0x1
86
87/* CLOCK_CTRL (0x02) */
88#define NAU8540_CLK_ADC_EN		(0x1 << 15)
89#define NAU8540_CLK_AGC_EN		(0x1 << 3)
90#define NAU8540_CLK_I2S_EN		(0x1 << 1)
91
92/* CLOCK_SRC (0x03) */
93#define NAU8540_CLK_SRC_SFT		15
94#define NAU8540_CLK_SRC_MASK		(1 << NAU8540_CLK_SRC_SFT)
95#define NAU8540_CLK_SRC_VCO		(1 << NAU8540_CLK_SRC_SFT)
96#define NAU8540_CLK_SRC_MCLK		(0 << NAU8540_CLK_SRC_SFT)
97#define NAU8540_CLK_ADC_SRC_SFT	6
98#define NAU8540_CLK_ADC_SRC_MASK	(0x3 << NAU8540_CLK_ADC_SRC_SFT)
99#define NAU8540_CLK_MCLK_SRC_MASK	0xf
100
101/* FLL1 (0x04) */
102#define NAU8540_ICTRL_LATCH_SFT	10
103#define NAU8540_ICTRL_LATCH_MASK	(0x7 << NAU8540_ICTRL_LATCH_SFT)
104#define NAU8540_FLL_RATIO_MASK	0x7f
105
106/* FLL3 (0x06) */
107#define NAU8540_GAIN_ERR_SFT		12
108#define NAU8540_GAIN_ERR_MASK		(0xf << NAU8540_GAIN_ERR_SFT)
109#define NAU8540_FLL_CLK_SRC_SFT	10
110#define NAU8540_FLL_CLK_SRC_MASK	(0x3 << NAU8540_FLL_CLK_SRC_SFT)
111#define NAU8540_FLL_CLK_SRC_MCLK	(0 << NAU8540_FLL_CLK_SRC_SFT)
112#define NAU8540_FLL_CLK_SRC_BLK	(0x2 << NAU8540_FLL_CLK_SRC_SFT)
113#define NAU8540_FLL_CLK_SRC_FS		(0x3 << NAU8540_FLL_CLK_SRC_SFT)
114#define NAU8540_FLL_INTEGER_MASK	0x3ff
115
116/* FLL4 (0x07) */
117#define NAU8540_FLL_REF_DIV_SFT	10
118#define NAU8540_FLL_REF_DIV_MASK	(0x3 << NAU8540_FLL_REF_DIV_SFT)
119
120/* FLL5 (0x08) */
121#define NAU8540_FLL_PDB_DAC_EN	(0x1 << 15)
122#define NAU8540_FLL_LOOP_FTR_EN	(0x1 << 14)
123#define NAU8540_FLL_CLK_SW_MASK	(0x1 << 13)
124#define NAU8540_FLL_CLK_SW_N2		(0x1 << 13)
125#define NAU8540_FLL_CLK_SW_REF	(0x0 << 13)
126#define NAU8540_FLL_FTR_SW_MASK	(0x1 << 12)
127#define NAU8540_FLL_FTR_SW_ACCU	(0x1 << 12)
128#define NAU8540_FLL_FTR_SW_FILTER	(0x0 << 12)
129
130/* FLL6 (0x9) */
131#define NAU8540_DCO_EN			(0x1 << 15)
132#define NAU8540_SDM_EN			(0x1 << 14)
133#define NAU8540_CUTOFF500		(0x1 << 13)
134
135/* PCM_CTRL0 (0x10) */
136#define NAU8540_I2S_BP_SFT		7
137#define NAU8540_I2S_BP_INV		(0x1 << NAU8540_I2S_BP_SFT)
138#define NAU8540_I2S_PCMB_SFT		6
139#define NAU8540_I2S_PCMB_EN		(0x1 << NAU8540_I2S_PCMB_SFT)
140#define NAU8540_I2S_DL_SFT		2
141#define NAU8540_I2S_DL_MASK		(0x3 << NAU8540_I2S_DL_SFT)
142#define NAU8540_I2S_DL_16		(0 << NAU8540_I2S_DL_SFT)
143#define NAU8540_I2S_DL_20		(0x1 << NAU8540_I2S_DL_SFT)
144#define NAU8540_I2S_DL_24		(0x2 << NAU8540_I2S_DL_SFT)
145#define NAU8540_I2S_DL_32		(0x3 << NAU8540_I2S_DL_SFT)
146#define NAU8540_I2S_DF_MASK		0x3
147#define NAU8540_I2S_DF_RIGTH		0
148#define NAU8540_I2S_DF_LEFT		0x1
149#define NAU8540_I2S_DF_I2S		0x2
150#define NAU8540_I2S_DF_PCM_AB		0x3
151
152/* PCM_CTRL1 (0x11) */
153#define NAU8540_I2S_DO12_TRI		(0x1 << 15)
154#define NAU8540_I2S_LRC_DIV_SFT	12
155#define NAU8540_I2S_LRC_DIV_MASK	(0x3 << NAU8540_I2S_LRC_DIV_SFT)
156#define NAU8540_I2S_DO12_OE		(0x1 << 4)
157#define NAU8540_I2S_MS_SFT		3
158#define NAU8540_I2S_MS_MASK		(0x1 << NAU8540_I2S_MS_SFT)
159#define NAU8540_I2S_MS_MASTER		(0x1 << NAU8540_I2S_MS_SFT)
160#define NAU8540_I2S_MS_SLAVE		(0x0 << NAU8540_I2S_MS_SFT)
161#define NAU8540_I2S_BLK_DIV_MASK	0x7
162
163/* PCM_CTRL1 (0x12) */
164#define NAU8540_I2S_DO34_TRI		(0x1 << 15)
165#define NAU8540_I2S_DO34_OE		(0x1 << 11)
166#define NAU8540_I2S_TSLOT_L_MASK	0x3ff
167
168/* PCM_CTRL4 (0x14) */
169#define NAU8540_TDM_MODE		(0x1 << 15)
170#define NAU8540_TDM_OFFSET_EN		(0x1 << 14)
171#define NAU8540_TDM_TX_MASK		0xf
172
173/* ALC_CONTROL_3 (0x22) */
174#define NAU8540_ALC_CH1_EN		(0x1 << 12)
175#define NAU8540_ALC_CH2_EN		(0x1 << 13)
176#define NAU8540_ALC_CH3_EN		(0x1 << 14)
177#define NAU8540_ALC_CH4_EN		(0x1 << 15)
178#define NAU8540_ALC_CH_ALL_EN		(0xf << 12)
179
180/* ADC_SAMPLE_RATE (0x3A) */
181#define NAU8540_CH_SYNC		(0x1 << 14)
182#define NAU8540_ADC_OSR_MASK		0x3
183#define NAU8540_ADC_OSR_256		0x3
184#define NAU8540_ADC_OSR_128		0x2
185#define NAU8540_ADC_OSR_64		0x1
186#define NAU8540_ADC_OSR_32		0x0
187
188/* VMID_CTRL (0x60) */
189#define NAU8540_VMID_EN		(1 << 6)
190#define NAU8540_VMID_SEL_SFT		4
191#define NAU8540_VMID_SEL_MASK		(0x3 << NAU8540_VMID_SEL_SFT)
192
193/* MUTE (0x61) */
194#define NAU8540_PGA_CH1_MUTE		0x1
195#define NAU8540_PGA_CH2_MUTE		0x2
196#define NAU8540_PGA_CH3_MUTE		0x4
197#define NAU8540_PGA_CH4_MUTE		0x8
198#define NAU8540_PGA_CH_ALL_MUTE		0xf
199
200/* MIC_BIAS (0x67) */
201#define NAU8540_PU_PRE			(0x1 << 8)
202
203/* REFERENCE (0x68) */
204#define NAU8540_PRECHARGE_DIS		(0x1 << 13)
205#define NAU8540_GLOBAL_BIAS_EN	(0x1 << 12)
206#define NAU8540_DISCHRG_EN		(0x1 << 11)
207
208/* FEPGA1 (0x69) */
209#define NAU8540_FEPGA1_MODCH2_SHT_SFT	7
210#define NAU8540_FEPGA1_MODCH2_SHT	(0x1 << NAU8540_FEPGA1_MODCH2_SHT_SFT)
211#define NAU8540_FEPGA1_MODCH1_SHT_SFT	3
212#define NAU8540_FEPGA1_MODCH1_SHT	(0x1 << NAU8540_FEPGA1_MODCH1_SHT_SFT)
213
214/* FEPGA2 (0x6A) */
215#define NAU8540_FEPGA2_MODCH4_SHT_SFT	7
216#define NAU8540_FEPGA2_MODCH4_SHT	(0x1 << NAU8540_FEPGA2_MODCH4_SHT_SFT)
217#define NAU8540_FEPGA2_MODCH3_SHT_SFT	3
218#define NAU8540_FEPGA2_MODCH3_SHT	(0x1 << NAU8540_FEPGA2_MODCH3_SHT_SFT)
219#define NAU8540_ACDC_CTL_SFT		8
220#define NAU8540_ACDC_CTL_MASK		(0xff << NAU8540_ACDC_CTL_SFT)
221#define NAU8540_ACDC_CTL_MIC4N_VREF	(0x1 << 15)
222#define NAU8540_ACDC_CTL_MIC4P_VREF	(0x1 << 14)
223#define NAU8540_ACDC_CTL_MIC3N_VREF	(0x1 << 13)
224#define NAU8540_ACDC_CTL_MIC3P_VREF	(0x1 << 12)
225#define NAU8540_ACDC_CTL_MIC2N_VREF	(0x1 << 11)
226#define NAU8540_ACDC_CTL_MIC2P_VREF	(0x1 << 10)
227#define NAU8540_ACDC_CTL_MIC1N_VREF	(0x1 << 9)
228#define NAU8540_ACDC_CTL_MIC1P_VREF	(0x1 << 8)
229
230/* System Clock Source */
231enum {
232	NAU8540_CLK_DIS,
233	NAU8540_CLK_MCLK,
234	NAU8540_CLK_INTERNAL,
235	NAU8540_CLK_FLL_MCLK,
236	NAU8540_CLK_FLL_BLK,
237	NAU8540_CLK_FLL_FS,
238};
239
240struct nau8540 {
241	struct device *dev;
242	struct regmap *regmap;
243};
244
245struct nau8540_fll {
246	int mclk_src;
247	int ratio;
248	int fll_frac;
249	int fll_int;
250	int clk_ref_div;
251};
252
253struct nau8540_fll_attr {
254	unsigned int param;
255	unsigned int val;
256};
257
258/* over sampling rate */
259struct nau8540_osr_attr {
260	unsigned int osr;
261	unsigned int clk_src;
262};
263
264
265#endif	/* __NAU8540_H__ */
266