xref: /openbmc/linux/sound/soc/codecs/nau8540.h (revision 75bf465f0bc33e9b776a46d6a1b9b990f5fb7c37)
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_ADC4_EN		(0x1 << 3)
82  #define NAU8540_ADC3_EN		(0x1 << 2)
83  #define NAU8540_ADC2_EN		(0x1 << 1)
84  #define NAU8540_ADC1_EN		0x1
85  
86  /* CLOCK_CTRL (0x02) */
87  #define NAU8540_CLK_ADC_EN		(0x1 << 15)
88  #define NAU8540_CLK_I2S_EN		(0x1 << 1)
89  
90  /* CLOCK_SRC (0x03) */
91  #define NAU8540_CLK_SRC_SFT		15
92  #define NAU8540_CLK_SRC_MASK		(1 << NAU8540_CLK_SRC_SFT)
93  #define NAU8540_CLK_SRC_VCO		(1 << NAU8540_CLK_SRC_SFT)
94  #define NAU8540_CLK_SRC_MCLK		(0 << NAU8540_CLK_SRC_SFT)
95  #define NAU8540_CLK_ADC_SRC_SFT	6
96  #define NAU8540_CLK_ADC_SRC_MASK	(0x3 << NAU8540_CLK_ADC_SRC_SFT)
97  #define NAU8540_CLK_MCLK_SRC_MASK	0xf
98  
99  /* FLL1 (0x04) */
100  #define NAU8540_ICTRL_LATCH_SFT	10
101  #define NAU8540_ICTRL_LATCH_MASK	(0x7 << NAU8540_ICTRL_LATCH_SFT)
102  #define NAU8540_FLL_RATIO_MASK	0x7f
103  
104  /* FLL3 (0x06) */
105  #define NAU8540_GAIN_ERR_SFT		12
106  #define NAU8540_GAIN_ERR_MASK		(0xf << NAU8540_GAIN_ERR_SFT)
107  #define NAU8540_FLL_CLK_SRC_SFT	10
108  #define NAU8540_FLL_CLK_SRC_MASK	(0x3 << NAU8540_FLL_CLK_SRC_SFT)
109  #define NAU8540_FLL_CLK_SRC_MCLK	(0 << NAU8540_FLL_CLK_SRC_SFT)
110  #define NAU8540_FLL_CLK_SRC_BLK	(0x2 << NAU8540_FLL_CLK_SRC_SFT)
111  #define NAU8540_FLL_CLK_SRC_FS		(0x3 << NAU8540_FLL_CLK_SRC_SFT)
112  #define NAU8540_FLL_INTEGER_MASK	0x3ff
113  
114  /* FLL4 (0x07) */
115  #define NAU8540_FLL_REF_DIV_SFT	10
116  #define NAU8540_FLL_REF_DIV_MASK	(0x3 << NAU8540_FLL_REF_DIV_SFT)
117  
118  /* FLL5 (0x08) */
119  #define NAU8540_FLL_PDB_DAC_EN	(0x1 << 15)
120  #define NAU8540_FLL_LOOP_FTR_EN	(0x1 << 14)
121  #define NAU8540_FLL_CLK_SW_MASK	(0x1 << 13)
122  #define NAU8540_FLL_CLK_SW_N2		(0x1 << 13)
123  #define NAU8540_FLL_CLK_SW_REF	(0x0 << 13)
124  #define NAU8540_FLL_FTR_SW_MASK	(0x1 << 12)
125  #define NAU8540_FLL_FTR_SW_ACCU	(0x1 << 12)
126  #define NAU8540_FLL_FTR_SW_FILTER	(0x0 << 12)
127  
128  /* FLL6 (0x9) */
129  #define NAU8540_DCO_EN			(0x1 << 15)
130  #define NAU8540_SDM_EN			(0x1 << 14)
131  #define NAU8540_CUTOFF500		(0x1 << 13)
132  
133  /* PCM_CTRL0 (0x10) */
134  #define NAU8540_I2S_BP_SFT		7
135  #define NAU8540_I2S_BP_INV		(0x1 << NAU8540_I2S_BP_SFT)
136  #define NAU8540_I2S_PCMB_SFT		6
137  #define NAU8540_I2S_PCMB_EN		(0x1 << NAU8540_I2S_PCMB_SFT)
138  #define NAU8540_I2S_DL_SFT		2
139  #define NAU8540_I2S_DL_MASK		(0x3 << NAU8540_I2S_DL_SFT)
140  #define NAU8540_I2S_DL_16		(0 << NAU8540_I2S_DL_SFT)
141  #define NAU8540_I2S_DL_20		(0x1 << NAU8540_I2S_DL_SFT)
142  #define NAU8540_I2S_DL_24		(0x2 << NAU8540_I2S_DL_SFT)
143  #define NAU8540_I2S_DL_32		(0x3 << NAU8540_I2S_DL_SFT)
144  #define NAU8540_I2S_DF_MASK		0x3
145  #define NAU8540_I2S_DF_RIGTH		0
146  #define NAU8540_I2S_DF_LEFT		0x1
147  #define NAU8540_I2S_DF_I2S		0x2
148  #define NAU8540_I2S_DF_PCM_AB		0x3
149  
150  /* PCM_CTRL1 (0x11) */
151  #define NAU8540_I2S_DO12_TRI		(0x1 << 15)
152  #define NAU8540_I2S_LRC_DIV_SFT	12
153  #define NAU8540_I2S_LRC_DIV_MASK	(0x3 << NAU8540_I2S_LRC_DIV_SFT)
154  #define NAU8540_I2S_DO12_OE		(0x1 << 4)
155  #define NAU8540_I2S_MS_SFT		3
156  #define NAU8540_I2S_MS_MASK		(0x1 << NAU8540_I2S_MS_SFT)
157  #define NAU8540_I2S_MS_MASTER		(0x1 << NAU8540_I2S_MS_SFT)
158  #define NAU8540_I2S_MS_SLAVE		(0x0 << NAU8540_I2S_MS_SFT)
159  #define NAU8540_I2S_BLK_DIV_MASK	0x7
160  
161  /* PCM_CTRL1 (0x12) */
162  #define NAU8540_I2S_DO34_TRI		(0x1 << 15)
163  #define NAU8540_I2S_DO34_OE		(0x1 << 11)
164  #define NAU8540_I2S_TSLOT_L_MASK	0x3ff
165  
166  /* PCM_CTRL4 (0x14) */
167  #define NAU8540_TDM_MODE		(0x1 << 15)
168  #define NAU8540_TDM_OFFSET_EN		(0x1 << 14)
169  #define NAU8540_TDM_TX_MASK		0xf
170  
171  /* ADC_SAMPLE_RATE (0x3A) */
172  #define NAU8540_CH_SYNC		(0x1 << 14)
173  #define NAU8540_ADC_OSR_MASK		0x3
174  #define NAU8540_ADC_OSR_256		0x3
175  #define NAU8540_ADC_OSR_128		0x2
176  #define NAU8540_ADC_OSR_64		0x1
177  #define NAU8540_ADC_OSR_32		0x0
178  
179  /* VMID_CTRL (0x60) */
180  #define NAU8540_VMID_EN		(1 << 6)
181  #define NAU8540_VMID_SEL_SFT		4
182  #define NAU8540_VMID_SEL_MASK		(0x3 << NAU8540_VMID_SEL_SFT)
183  
184  /* MIC_BIAS (0x67) */
185  #define NAU8540_PU_PRE			(0x1 << 8)
186  
187  /* REFERENCE (0x68) */
188  #define NAU8540_PRECHARGE_DIS		(0x1 << 13)
189  #define NAU8540_GLOBAL_BIAS_EN	(0x1 << 12)
190  
191  /* FEPGA1 (0x69) */
192  #define NAU8540_FEPGA1_MODCH2_SHT_SFT	7
193  #define NAU8540_FEPGA1_MODCH2_SHT	(0x1 << NAU8540_FEPGA1_MODCH2_SHT_SFT)
194  #define NAU8540_FEPGA1_MODCH1_SHT_SFT	3
195  #define NAU8540_FEPGA1_MODCH1_SHT	(0x1 << NAU8540_FEPGA1_MODCH1_SHT_SFT)
196  
197  /* FEPGA2 (0x6A) */
198  #define NAU8540_FEPGA2_MODCH4_SHT_SFT	7
199  #define NAU8540_FEPGA2_MODCH4_SHT	(0x1 << NAU8540_FEPGA2_MODCH4_SHT_SFT)
200  #define NAU8540_FEPGA2_MODCH3_SHT_SFT	3
201  #define NAU8540_FEPGA2_MODCH3_SHT	(0x1 << NAU8540_FEPGA2_MODCH3_SHT_SFT)
202  
203  
204  /* System Clock Source */
205  enum {
206  	NAU8540_CLK_DIS,
207  	NAU8540_CLK_MCLK,
208  	NAU8540_CLK_INTERNAL,
209  	NAU8540_CLK_FLL_MCLK,
210  	NAU8540_CLK_FLL_BLK,
211  	NAU8540_CLK_FLL_FS,
212  };
213  
214  struct nau8540 {
215  	struct device *dev;
216  	struct regmap *regmap;
217  };
218  
219  struct nau8540_fll {
220  	int mclk_src;
221  	int ratio;
222  	int fll_frac;
223  	int fll_int;
224  	int clk_ref_div;
225  };
226  
227  struct nau8540_fll_attr {
228  	unsigned int param;
229  	unsigned int val;
230  };
231  
232  /* over sampling rate */
233  struct nau8540_osr_attr {
234  	unsigned int osr;
235  	unsigned int clk_src;
236  };
237  
238  
239  #endif	/* __NAU8540_H__ */
240