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 */
231 enum {
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 
240 struct nau8540 {
241 	struct device *dev;
242 	struct regmap *regmap;
243 };
244 
245 struct nau8540_fll {
246 	int mclk_src;
247 	int ratio;
248 	int fll_frac;
249 	int fll_int;
250 	int clk_ref_div;
251 };
252 
253 struct nau8540_fll_attr {
254 	unsigned int param;
255 	unsigned int val;
256 };
257 
258 /* over sampling rate */
259 struct nau8540_osr_attr {
260 	unsigned int osr;
261 	unsigned int clk_src;
262 };
263 
264 
265 #endif	/* __NAU8540_H__ */
266