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
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