1 // SPDX-License-Identifier: GPL-2.0-only
3 * Analog Devices ADAU1372 Audio Codec driver
5 * Copyright 2016 Analog Devices Inc.
6 * Author: Lars-Peter Clausen <lars@metafoo.de>
10 #include <linux/delay.h>
11 #include <linux/gcd.h>
12 #include <linux/gpio/consumer.h>
13 #include <linux/init.h>
14 #include <linux/module.h>
16 #include <linux/slab.h>
18 #include <sound/core.h>
19 #include <sound/pcm.h>
20 #include <sound/pcm_params.h>
21 #include <sound/tlv.h>
22 #include <sound/soc.h>
25 #include "adau-utils.h"
29 struct regmap *regmap;
30 void (*switch_mode)(struct device *dev);
35 struct snd_pcm_hw_constraint_list rate_constraints;
36 unsigned int slot_width;
39 struct gpio_desc *pd_gpio;
43 #define ADAU1372_REG_CLK_CTRL 0x00
44 #define ADAU1372_REG_PLL(x) (0x01 + (x))
45 #define ADAU1372_REG_DAC_SOURCE 0x11
46 #define ADAU1372_REG_SOUT_SOURCE_0_1 0x13
47 #define ADAU1372_REG_SOUT_SOURCE_2_3 0x14
48 #define ADAU1372_REG_SOUT_SOURCE_4_5 0x15
49 #define ADAU1372_REG_SOUT_SOURCE_6_7 0x16
50 #define ADAU1372_REG_ADC_SDATA_CH 0x17
51 #define ADAU1372_REG_ASRCO_SOURCE_0_1 0x18
52 #define ADAU1372_REG_ASRCO_SOURCE_2_3 0x19
53 #define ADAU1372_REG_ASRC_MODE 0x1a
54 #define ADAU1372_REG_ADC_CTRL0 0x1b
55 #define ADAU1372_REG_ADC_CTRL1 0x1c
56 #define ADAU1372_REG_ADC_CTRL2 0x1d
57 #define ADAU1372_REG_ADC_CTRL3 0x1e
58 #define ADAU1372_REG_ADC_VOL(x) (0x1f + (x))
59 #define ADAU1372_REG_PGA_CTRL(x) (0x23 + (x))
60 #define ADAU1372_REG_PGA_BOOST 0x28
61 #define ADAU1372_REG_MICBIAS 0x2d
62 #define ADAU1372_REG_DAC_CTRL 0x2e
63 #define ADAU1372_REG_DAC_VOL(x) (0x2f + (x))
64 #define ADAU1372_REG_OP_STAGE_MUTE 0x31
65 #define ADAU1372_REG_SAI0 0x32
66 #define ADAU1372_REG_SAI1 0x33
67 #define ADAU1372_REG_SOUT_CTRL 0x34
68 #define ADAU1372_REG_MODE_MP(x) (0x38 + (x))
69 #define ADAU1372_REG_OP_STAGE_CTRL 0x43
70 #define ADAU1372_REG_DECIM_PWR 0x44
71 #define ADAU1372_REG_INTERP_PWR 0x45
72 #define ADAU1372_REG_BIAS_CTRL0 0x46
73 #define ADAU1372_REG_BIAS_CTRL1 0x47
75 #define ADAU1372_CLK_CTRL_PLL_EN BIT(7)
76 #define ADAU1372_CLK_CTRL_XTAL_DIS BIT(4)
77 #define ADAU1372_CLK_CTRL_CLKSRC BIT(3)
78 #define ADAU1372_CLK_CTRL_CC_MDIV BIT(1)
79 #define ADAU1372_CLK_CTRL_MCLK_EN BIT(0)
81 #define ADAU1372_SAI0_DELAY1 (0x0 << 6)
82 #define ADAU1372_SAI0_DELAY0 (0x1 << 6)
83 #define ADAU1372_SAI0_DELAY_MASK (0x3 << 6)
84 #define ADAU1372_SAI0_SAI_I2S (0x0 << 4)
85 #define ADAU1372_SAI0_SAI_TDM2 (0x1 << 4)
86 #define ADAU1372_SAI0_SAI_TDM4 (0x2 << 4)
87 #define ADAU1372_SAI0_SAI_TDM8 (0x3 << 4)
88 #define ADAU1372_SAI0_SAI_MASK (0x3 << 4)
89 #define ADAU1372_SAI0_FS_48 0x0
90 #define ADAU1372_SAI0_FS_8 0x1
91 #define ADAU1372_SAI0_FS_12 0x2
92 #define ADAU1372_SAI0_FS_16 0x3
93 #define ADAU1372_SAI0_FS_24 0x4
94 #define ADAU1372_SAI0_FS_32 0x5
95 #define ADAU1372_SAI0_FS_96 0x6
96 #define ADAU1372_SAI0_FS_192 0x7
97 #define ADAU1372_SAI0_FS_MASK 0xf
99 #define ADAU1372_SAI1_TDM_TS BIT(7)
100 #define ADAU1372_SAI1_BCLK_TDMC BIT(6)
101 #define ADAU1372_SAI1_LR_MODE BIT(5)
102 #define ADAU1372_SAI1_LR_POL BIT(4)
103 #define ADAU1372_SAI1_BCLKRATE BIT(2)
104 #define ADAU1372_SAI1_BCLKEDGE BIT(1)
105 #define ADAU1372_SAI1_MS BIT(0)
107 static const unsigned int adau1372_rates[] = {
108 [ADAU1372_SAI0_FS_8] = 8000,
109 [ADAU1372_SAI0_FS_12] = 12000,
110 [ADAU1372_SAI0_FS_16] = 16000,
111 [ADAU1372_SAI0_FS_24] = 24000,
112 [ADAU1372_SAI0_FS_32] = 32000,
113 [ADAU1372_SAI0_FS_48] = 48000,
114 [ADAU1372_SAI0_FS_96] = 96000,
115 [ADAU1372_SAI0_FS_192] = 192000,
118 /* 8k, 12k, 24k, 48k */
119 #define ADAU1372_RATE_MASK_TDM8 0x17
121 #define ADAU1372_RATE_MASK_TDM4_MASTER (ADAU1372_RATE_MASK_TDM8 | 0x48 | 0x20)
123 #define ADAU1372_RATE_MASK_TDM4 (ADAU1372_RATE_MASK_TDM4_MASTER | 0x20)
125 #define ADAU1372_RATE_MASK_TDM2 (ADAU1372_RATE_MASK_TDM4 | 0x80)
127 static const DECLARE_TLV_DB_MINMAX(adau1372_digital_tlv, -9563, 0);
128 static const DECLARE_TLV_DB_SCALE(adau1372_pga_tlv, -1200, 75, 0);
129 static const DECLARE_TLV_DB_SCALE(adau1372_pga_boost_tlv, 0, 1000, 0);
131 static const char * const adau1372_bias_text[] = {
132 "Normal operation", "Extreme power saving", "Enhanced performance",
136 static const unsigned int adau1372_bias_adc_values[] = {
140 static const char * const adau1372_bias_adc_text[] = {
141 "Normal operation", "Enhanced performance", "Power saving",
144 static const char * const adau1372_bias_dac_text[] = {
145 "Normal operation", "Power saving", "Superior performance",
146 "Enhanced performance",
149 static SOC_ENUM_SINGLE_DECL(adau1372_bias_hp_enum,
150 ADAU1372_REG_BIAS_CTRL0, 6, adau1372_bias_text);
151 static SOC_ENUM_SINGLE_DECL(adau1372_bias_afe0_1_enum,
152 ADAU1372_REG_BIAS_CTRL0, 4, adau1372_bias_text);
153 static SOC_VALUE_ENUM_SINGLE_DECL(adau1372_bias_adc2_3_enum,
154 ADAU1372_REG_BIAS_CTRL0, 2, 0x3, adau1372_bias_adc_text,
155 adau1372_bias_adc_values);
156 static SOC_VALUE_ENUM_SINGLE_DECL(adau1372_bias_adc0_1_enum,
157 ADAU1372_REG_BIAS_CTRL0, 0, 0x3, adau1372_bias_adc_text,
158 adau1372_bias_adc_values);
159 static SOC_ENUM_SINGLE_DECL(adau1372_bias_afe2_3_enum,
160 ADAU1372_REG_BIAS_CTRL1, 4, adau1372_bias_text);
161 static SOC_ENUM_SINGLE_DECL(adau1372_bias_mic_enum,
162 ADAU1372_REG_BIAS_CTRL1, 2, adau1372_bias_text);
163 static SOC_ENUM_SINGLE_DECL(adau1372_bias_dac_enum,
164 ADAU1372_REG_BIAS_CTRL1, 0, adau1372_bias_dac_text);
166 static const char * const adau1372_hpf_text[] = {
173 static SOC_ENUM_SINGLE_DECL(adau1372_hpf0_1_enum, ADAU1372_REG_ADC_CTRL2, 5,
175 static SOC_ENUM_SINGLE_DECL(adau1372_hpf2_3_enum, ADAU1372_REG_ADC_CTRL3, 5,
177 static const struct snd_kcontrol_new adau1372_controls[] = {
178 SOC_SINGLE_TLV("ADC 0 Capture Volume", ADAU1372_REG_ADC_VOL(0),
179 0, 0xff, 1, adau1372_digital_tlv),
180 SOC_SINGLE_TLV("ADC 1 Capture Volume", ADAU1372_REG_ADC_VOL(1),
181 0, 0xff, 1, adau1372_digital_tlv),
182 SOC_SINGLE_TLV("ADC 2 Capture Volume", ADAU1372_REG_ADC_VOL(2),
183 0, 0xff, 1, adau1372_digital_tlv),
184 SOC_SINGLE_TLV("ADC 3 Capture Volume", ADAU1372_REG_ADC_VOL(3),
185 0, 0xff, 1, adau1372_digital_tlv),
186 SOC_SINGLE("ADC 0 Capture Switch", ADAU1372_REG_ADC_CTRL0, 3, 1, 1),
187 SOC_SINGLE("ADC 1 Capture Switch", ADAU1372_REG_ADC_CTRL0, 4, 1, 1),
188 SOC_SINGLE("ADC 2 Capture Switch", ADAU1372_REG_ADC_CTRL1, 3, 1, 1),
189 SOC_SINGLE("ADC 3 Capture Switch", ADAU1372_REG_ADC_CTRL1, 4, 1, 1),
191 SOC_ENUM("ADC 0+1 High-Pass-Filter", adau1372_hpf0_1_enum),
192 SOC_ENUM("ADC 2+3 High-Pass-Filter", adau1372_hpf2_3_enum),
194 SOC_SINGLE_TLV("PGA 0 Capture Volume", ADAU1372_REG_PGA_CTRL(0),
195 0, 0x3f, 0, adau1372_pga_tlv),
196 SOC_SINGLE_TLV("PGA 1 Capture Volume", ADAU1372_REG_PGA_CTRL(1),
197 0, 0x3f, 0, adau1372_pga_tlv),
198 SOC_SINGLE_TLV("PGA 2 Capture Volume", ADAU1372_REG_PGA_CTRL(2),
199 0, 0x3f, 0, adau1372_pga_tlv),
200 SOC_SINGLE_TLV("PGA 3 Capture Volume", ADAU1372_REG_PGA_CTRL(3),
201 0, 0x3f, 0, adau1372_pga_tlv),
202 SOC_SINGLE_TLV("PGA 0 Boost Capture Volume", ADAU1372_REG_PGA_BOOST,
203 0, 1, 0, adau1372_pga_boost_tlv),
204 SOC_SINGLE_TLV("PGA 1 Boost Capture Volume", ADAU1372_REG_PGA_BOOST,
205 1, 1, 0, adau1372_pga_boost_tlv),
206 SOC_SINGLE_TLV("PGA 2 Boost Capture Volume", ADAU1372_REG_PGA_BOOST,
207 2, 1, 0, adau1372_pga_boost_tlv),
208 SOC_SINGLE_TLV("PGA 3 Boost Capture Volume", ADAU1372_REG_PGA_BOOST,
209 3, 1, 0, adau1372_pga_boost_tlv),
210 SOC_SINGLE("PGA 0 Capture Switch", ADAU1372_REG_PGA_CTRL(0), 7, 1, 1),
211 SOC_SINGLE("PGA 1 Capture Switch", ADAU1372_REG_PGA_CTRL(1), 7, 1, 1),
212 SOC_SINGLE("PGA 2 Capture Switch", ADAU1372_REG_PGA_CTRL(2), 7, 1, 1),
213 SOC_SINGLE("PGA 3 Capture Switch", ADAU1372_REG_PGA_CTRL(3), 7, 1, 1),
215 SOC_SINGLE_TLV("DAC 0 Playback Volume", ADAU1372_REG_DAC_VOL(0),
216 0, 0xff, 1, adau1372_digital_tlv),
217 SOC_SINGLE_TLV("DAC 1 Playback Volume", ADAU1372_REG_DAC_VOL(1),
218 0, 0xff, 1, adau1372_digital_tlv),
219 SOC_SINGLE("DAC 0 Playback Switch", ADAU1372_REG_DAC_CTRL, 3, 1, 1),
220 SOC_SINGLE("DAC 1 Playback Switch", ADAU1372_REG_DAC_CTRL, 4, 1, 1),
222 SOC_ENUM("Headphone Bias", adau1372_bias_hp_enum),
223 SOC_ENUM("Microphone Bias", adau1372_bias_mic_enum),
224 SOC_ENUM("AFE 0+1 Bias", adau1372_bias_afe0_1_enum),
225 SOC_ENUM("AFE 2+3 Bias", adau1372_bias_afe2_3_enum),
226 SOC_ENUM("ADC 0+1 Bias", adau1372_bias_adc0_1_enum),
227 SOC_ENUM("ADC 2+3 Bias", adau1372_bias_adc2_3_enum),
228 SOC_ENUM("DAC 0+1 Bias", adau1372_bias_dac_enum),
231 static const char * const adau1372_decimator_mux_text[] = {
236 static SOC_ENUM_SINGLE_DECL(adau1372_decimator0_1_mux_enum, ADAU1372_REG_ADC_CTRL2,
237 2, adau1372_decimator_mux_text);
239 static const struct snd_kcontrol_new adau1372_decimator0_1_mux_control =
240 SOC_DAPM_ENUM("Decimator 0+1 Capture Mux", adau1372_decimator0_1_mux_enum);
242 static SOC_ENUM_SINGLE_DECL(adau1372_decimator2_3_mux_enum, ADAU1372_REG_ADC_CTRL3,
243 2, adau1372_decimator_mux_text);
245 static const struct snd_kcontrol_new adau1372_decimator2_3_mux_control =
246 SOC_DAPM_ENUM("Decimator 2+3 Capture Mux", adau1372_decimator2_3_mux_enum);
248 static const unsigned int adau1372_asrco_mux_values[] = {
252 static const char * const adau1372_asrco_mux_text[] = {
259 static SOC_VALUE_ENUM_SINGLE_DECL(adau1372_asrco0_mux_enum, ADAU1372_REG_ASRCO_SOURCE_0_1,
260 0, 0xf, adau1372_asrco_mux_text, adau1372_asrco_mux_values);
261 static SOC_VALUE_ENUM_SINGLE_DECL(adau1372_asrco1_mux_enum, ADAU1372_REG_ASRCO_SOURCE_0_1,
262 4, 0xf, adau1372_asrco_mux_text, adau1372_asrco_mux_values);
263 static SOC_VALUE_ENUM_SINGLE_DECL(adau1372_asrco2_mux_enum, ADAU1372_REG_ASRCO_SOURCE_2_3,
264 0, 0xf, adau1372_asrco_mux_text, adau1372_asrco_mux_values);
265 static SOC_VALUE_ENUM_SINGLE_DECL(adau1372_asrco3_mux_enum, ADAU1372_REG_ASRCO_SOURCE_2_3,
266 4, 0xf, adau1372_asrco_mux_text, adau1372_asrco_mux_values);
268 static const struct snd_kcontrol_new adau1372_asrco0_mux_control =
269 SOC_DAPM_ENUM("Output ASRC0 Capture Mux", adau1372_asrco0_mux_enum);
270 static const struct snd_kcontrol_new adau1372_asrco1_mux_control =
271 SOC_DAPM_ENUM("Output ASRC1 Capture Mux", adau1372_asrco1_mux_enum);
272 static const struct snd_kcontrol_new adau1372_asrco2_mux_control =
273 SOC_DAPM_ENUM("Output ASRC2 Capture Mux", adau1372_asrco2_mux_enum);
274 static const struct snd_kcontrol_new adau1372_asrco3_mux_control =
275 SOC_DAPM_ENUM("Output ASRC3 Capture Mux", adau1372_asrco3_mux_enum);
277 static const unsigned int adau1372_sout_mux_values[] = {
278 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
281 static const char * const adau1372_sout_mux_text[] = {
296 static SOC_VALUE_ENUM_SINGLE_DECL(adau1372_sout0_mux_enum, ADAU1372_REG_SOUT_SOURCE_0_1,
297 0, 0xf, adau1372_sout_mux_text, adau1372_sout_mux_values);
298 static SOC_VALUE_ENUM_SINGLE_DECL(adau1372_sout1_mux_enum, ADAU1372_REG_SOUT_SOURCE_0_1,
299 4, 0xf, adau1372_sout_mux_text, adau1372_sout_mux_values);
300 static SOC_VALUE_ENUM_SINGLE_DECL(adau1372_sout2_mux_enum, ADAU1372_REG_SOUT_SOURCE_2_3,
301 0, 0xf, adau1372_sout_mux_text, adau1372_sout_mux_values);
302 static SOC_VALUE_ENUM_SINGLE_DECL(adau1372_sout3_mux_enum, ADAU1372_REG_SOUT_SOURCE_2_3,
303 4, 0xf, adau1372_sout_mux_text, adau1372_sout_mux_values);
304 static SOC_VALUE_ENUM_SINGLE_DECL(adau1372_sout4_mux_enum, ADAU1372_REG_SOUT_SOURCE_4_5,
305 0, 0xf, adau1372_sout_mux_text, adau1372_sout_mux_values);
306 static SOC_VALUE_ENUM_SINGLE_DECL(adau1372_sout5_mux_enum, ADAU1372_REG_SOUT_SOURCE_4_5,
307 4, 0xf, adau1372_sout_mux_text, adau1372_sout_mux_values);
308 static SOC_VALUE_ENUM_SINGLE_DECL(adau1372_sout6_mux_enum, ADAU1372_REG_SOUT_SOURCE_6_7,
309 0, 0xf, adau1372_sout_mux_text, adau1372_sout_mux_values);
310 static SOC_VALUE_ENUM_SINGLE_DECL(adau1372_sout7_mux_enum, ADAU1372_REG_SOUT_SOURCE_6_7,
311 4, 0xf, adau1372_sout_mux_text, adau1372_sout_mux_values);
313 static const struct snd_kcontrol_new adau1372_sout0_mux_control =
314 SOC_DAPM_ENUM("Serial Output 0 Capture Mux", adau1372_sout0_mux_enum);
315 static const struct snd_kcontrol_new adau1372_sout1_mux_control =
316 SOC_DAPM_ENUM("Serial Output 1 Capture Mux", adau1372_sout1_mux_enum);
317 static const struct snd_kcontrol_new adau1372_sout2_mux_control =
318 SOC_DAPM_ENUM("Serial Output 2 Capture Mux", adau1372_sout2_mux_enum);
319 static const struct snd_kcontrol_new adau1372_sout3_mux_control =
320 SOC_DAPM_ENUM("Serial Output 3 Capture Mux", adau1372_sout3_mux_enum);
321 static const struct snd_kcontrol_new adau1372_sout4_mux_control =
322 SOC_DAPM_ENUM("Serial Output 4 Capture Mux", adau1372_sout4_mux_enum);
323 static const struct snd_kcontrol_new adau1372_sout5_mux_control =
324 SOC_DAPM_ENUM("Serial Output 5 Capture Mux", adau1372_sout5_mux_enum);
325 static const struct snd_kcontrol_new adau1372_sout6_mux_control =
326 SOC_DAPM_ENUM("Serial Output 6 Capture Mux", adau1372_sout6_mux_enum);
327 static const struct snd_kcontrol_new adau1372_sout7_mux_control =
328 SOC_DAPM_ENUM("Serial Output 7 Capture Mux", adau1372_sout7_mux_enum);
330 static const char * const adau1372_asrci_mux_text[] = {
337 static SOC_ENUM_SINGLE_DECL(adau1372_asrci_mux_enum,
338 ADAU1372_REG_ASRC_MODE, 2, adau1372_asrci_mux_text);
340 static const struct snd_kcontrol_new adau1372_asrci_mux_control =
341 SOC_DAPM_ENUM("Input ASRC Playback Mux", adau1372_asrci_mux_enum);
343 static const unsigned int adau1372_dac_mux_values[] = {
347 static const char * const adau1372_dac_mux_text[] = {
352 static SOC_VALUE_ENUM_SINGLE_DECL(adau1372_dac0_mux_enum, ADAU1372_REG_DAC_SOURCE,
353 0, 0xf, adau1372_dac_mux_text, adau1372_dac_mux_values);
354 static SOC_VALUE_ENUM_SINGLE_DECL(adau1372_dac1_mux_enum, ADAU1372_REG_DAC_SOURCE,
355 4, 0xf, adau1372_dac_mux_text, adau1372_dac_mux_values);
357 static const struct snd_kcontrol_new adau1372_dac0_mux_control =
358 SOC_DAPM_ENUM("DAC 0 Playback Mux", adau1372_dac0_mux_enum);
359 static const struct snd_kcontrol_new adau1372_dac1_mux_control =
360 SOC_DAPM_ENUM("DAC 1 Playback Mux", adau1372_dac1_mux_enum);
362 static const struct snd_soc_dapm_widget adau1372_dapm_widgets[] = {
363 SND_SOC_DAPM_INPUT("AIN0"),
364 SND_SOC_DAPM_INPUT("AIN1"),
365 SND_SOC_DAPM_INPUT("AIN2"),
366 SND_SOC_DAPM_INPUT("AIN3"),
367 SND_SOC_DAPM_INPUT("DMIC0_1"),
368 SND_SOC_DAPM_INPUT("DMIC2_3"),
370 SND_SOC_DAPM_SUPPLY("MICBIAS0", ADAU1372_REG_MICBIAS, 4, 0, NULL, 0),
371 SND_SOC_DAPM_SUPPLY("MICBIAS1", ADAU1372_REG_MICBIAS, 5, 0, NULL, 0),
373 SND_SOC_DAPM_PGA("PGA0", ADAU1372_REG_PGA_CTRL(0), 6, 0, NULL, 0),
374 SND_SOC_DAPM_PGA("PGA1", ADAU1372_REG_PGA_CTRL(1), 6, 0, NULL, 0),
375 SND_SOC_DAPM_PGA("PGA2", ADAU1372_REG_PGA_CTRL(2), 6, 0, NULL, 0),
376 SND_SOC_DAPM_PGA("PGA3", ADAU1372_REG_PGA_CTRL(3), 6, 0, NULL, 0),
377 SND_SOC_DAPM_ADC("ADC0", NULL, ADAU1372_REG_ADC_CTRL2, 0, 0),
378 SND_SOC_DAPM_ADC("ADC1", NULL, ADAU1372_REG_ADC_CTRL2, 1, 0),
379 SND_SOC_DAPM_ADC("ADC2", NULL, ADAU1372_REG_ADC_CTRL3, 0, 0),
380 SND_SOC_DAPM_ADC("ADC3", NULL, ADAU1372_REG_ADC_CTRL3, 1, 0),
382 SND_SOC_DAPM_SUPPLY("ADC0 Filter", ADAU1372_REG_DECIM_PWR, 0, 0, NULL, 0),
383 SND_SOC_DAPM_SUPPLY("ADC1 Filter", ADAU1372_REG_DECIM_PWR, 1, 0, NULL, 0),
384 SND_SOC_DAPM_SUPPLY("ADC2 Filter", ADAU1372_REG_DECIM_PWR, 2, 0, NULL, 0),
385 SND_SOC_DAPM_SUPPLY("ADC3 Filter", ADAU1372_REG_DECIM_PWR, 3, 0, NULL, 0),
386 SND_SOC_DAPM_SUPPLY("Output ASRC0 Decimator", ADAU1372_REG_DECIM_PWR, 4, 0, NULL, 0),
387 SND_SOC_DAPM_SUPPLY("Output ASRC1 Decimator", ADAU1372_REG_DECIM_PWR, 5, 0, NULL, 0),
388 SND_SOC_DAPM_SUPPLY("Output ASRC2 Decimator", ADAU1372_REG_DECIM_PWR, 6, 0, NULL, 0),
389 SND_SOC_DAPM_SUPPLY("Output ASRC3 Decimator", ADAU1372_REG_DECIM_PWR, 7, 0, NULL, 0),
391 SND_SOC_DAPM_MUX("Decimator0 Mux", SND_SOC_NOPM, 0, 0, &adau1372_decimator0_1_mux_control),
392 SND_SOC_DAPM_MUX("Decimator1 Mux", SND_SOC_NOPM, 0, 0, &adau1372_decimator0_1_mux_control),
393 SND_SOC_DAPM_MUX("Decimator2 Mux", SND_SOC_NOPM, 0, 0, &adau1372_decimator2_3_mux_control),
394 SND_SOC_DAPM_MUX("Decimator3 Mux", SND_SOC_NOPM, 0, 0, &adau1372_decimator2_3_mux_control),
396 SND_SOC_DAPM_MUX("Output ASRC0 Mux", SND_SOC_NOPM, 0, 0, &adau1372_asrco0_mux_control),
397 SND_SOC_DAPM_MUX("Output ASRC1 Mux", SND_SOC_NOPM, 0, 0, &adau1372_asrco1_mux_control),
398 SND_SOC_DAPM_MUX("Output ASRC2 Mux", SND_SOC_NOPM, 0, 0, &adau1372_asrco2_mux_control),
399 SND_SOC_DAPM_MUX("Output ASRC3 Mux", SND_SOC_NOPM, 0, 0, &adau1372_asrco3_mux_control),
400 SND_SOC_DAPM_MUX("Serial Output 0 Capture Mux", SND_SOC_NOPM, 0, 0,
401 &adau1372_sout0_mux_control),
402 SND_SOC_DAPM_MUX("Serial Output 1 Capture Mux", SND_SOC_NOPM, 0, 0,
403 &adau1372_sout1_mux_control),
404 SND_SOC_DAPM_MUX("Serial Output 2 Capture Mux", SND_SOC_NOPM, 0, 0,
405 &adau1372_sout2_mux_control),
406 SND_SOC_DAPM_MUX("Serial Output 3 Capture Mux", SND_SOC_NOPM, 0, 0,
407 &adau1372_sout3_mux_control),
408 SND_SOC_DAPM_MUX("Serial Output 4 Capture Mux", SND_SOC_NOPM, 0, 0,
409 &adau1372_sout4_mux_control),
410 SND_SOC_DAPM_MUX("Serial Output 5 Capture Mux", SND_SOC_NOPM, 0, 0,
411 &adau1372_sout5_mux_control),
412 SND_SOC_DAPM_MUX("Serial Output 6 Capture Mux", SND_SOC_NOPM, 0, 0,
413 &adau1372_sout6_mux_control),
414 SND_SOC_DAPM_MUX("Serial Output 7 Capture Mux", SND_SOC_NOPM, 0, 0,
415 &adau1372_sout7_mux_control),
417 SND_SOC_DAPM_AIF_IN("Serial Input 0", NULL, 0, SND_SOC_NOPM, 0, 0),
418 SND_SOC_DAPM_AIF_IN("Serial Input 1", NULL, 1, SND_SOC_NOPM, 0, 0),
419 SND_SOC_DAPM_AIF_IN("Serial Input 2", NULL, 2, SND_SOC_NOPM, 0, 0),
420 SND_SOC_DAPM_AIF_IN("Serial Input 3", NULL, 3, SND_SOC_NOPM, 0, 0),
421 SND_SOC_DAPM_AIF_IN("Serial Input 4", NULL, 4, SND_SOC_NOPM, 0, 0),
422 SND_SOC_DAPM_AIF_IN("Serial Input 5", NULL, 5, SND_SOC_NOPM, 0, 0),
423 SND_SOC_DAPM_AIF_IN("Serial Input 6", NULL, 6, SND_SOC_NOPM, 0, 0),
424 SND_SOC_DAPM_AIF_IN("Serial Input 7", NULL, 7, SND_SOC_NOPM, 0, 0),
426 SND_SOC_DAPM_AIF_OUT("Serial Output 0", NULL, 0, SND_SOC_NOPM, 0, 0),
427 SND_SOC_DAPM_AIF_OUT("Serial Output 1", NULL, 1, SND_SOC_NOPM, 0, 0),
428 SND_SOC_DAPM_AIF_OUT("Serial Output 2", NULL, 2, SND_SOC_NOPM, 0, 0),
429 SND_SOC_DAPM_AIF_OUT("Serial Output 3", NULL, 3, SND_SOC_NOPM, 0, 0),
430 SND_SOC_DAPM_AIF_OUT("Serial Output 4", NULL, 4, SND_SOC_NOPM, 0, 0),
431 SND_SOC_DAPM_AIF_OUT("Serial Output 5", NULL, 5, SND_SOC_NOPM, 0, 0),
432 SND_SOC_DAPM_AIF_OUT("Serial Output 6", NULL, 6, SND_SOC_NOPM, 0, 0),
433 SND_SOC_DAPM_AIF_OUT("Serial Output 7", NULL, 7, SND_SOC_NOPM, 0, 0),
435 SND_SOC_DAPM_SUPPLY("Output ASRC Supply", ADAU1372_REG_ASRC_MODE, 1, 0, NULL, 0),
436 SND_SOC_DAPM_SUPPLY("Input ASRC Supply", ADAU1372_REG_ASRC_MODE, 0, 0, NULL, 0),
438 SND_SOC_DAPM_SUPPLY("DAC1 Modulator", ADAU1372_REG_INTERP_PWR, 3, 0, NULL, 0),
439 SND_SOC_DAPM_SUPPLY("DAC0 Modulator", ADAU1372_REG_INTERP_PWR, 2, 0, NULL, 0),
440 SND_SOC_DAPM_SUPPLY("Input ASRC1 Interpolator", ADAU1372_REG_INTERP_PWR, 1, 0, NULL, 0),
441 SND_SOC_DAPM_SUPPLY("Input ASRC0 Interpolator", ADAU1372_REG_INTERP_PWR, 0, 0, NULL, 0),
443 SND_SOC_DAPM_MUX("Input ASRC0 Mux", SND_SOC_NOPM, 0, 0, &adau1372_asrci_mux_control),
444 SND_SOC_DAPM_MUX("Input ASRC1 Mux", SND_SOC_NOPM, 0, 0, &adau1372_asrci_mux_control),
446 SND_SOC_DAPM_MUX("DAC 0 Mux", SND_SOC_NOPM, 0, 0, &adau1372_dac0_mux_control),
447 SND_SOC_DAPM_MUX("DAC 1 Mux", SND_SOC_NOPM, 0, 0, &adau1372_dac1_mux_control),
449 SND_SOC_DAPM_DAC("DAC0", NULL, ADAU1372_REG_DAC_CTRL, 0, 0),
450 SND_SOC_DAPM_DAC("DAC1", NULL, ADAU1372_REG_DAC_CTRL, 1, 0),
452 SND_SOC_DAPM_OUT_DRV("OP_STAGE_LP", ADAU1372_REG_OP_STAGE_CTRL, 0, 1, NULL, 0),
453 SND_SOC_DAPM_OUT_DRV("OP_STAGE_LN", ADAU1372_REG_OP_STAGE_CTRL, 1, 1, NULL, 0),
454 SND_SOC_DAPM_OUT_DRV("OP_STAGE_RP", ADAU1372_REG_OP_STAGE_CTRL, 2, 1, NULL, 0),
455 SND_SOC_DAPM_OUT_DRV("OP_STAGE_RN", ADAU1372_REG_OP_STAGE_CTRL, 3, 1, NULL, 0),
457 SND_SOC_DAPM_OUTPUT("HPOUTL"),
458 SND_SOC_DAPM_OUTPUT("HPOUTR"),
461 #define ADAU1372_SOUT_ROUTES(x) \
462 { "Serial Output " #x " Capture Mux", "Output ASRC0", "Output ASRC0 Mux" }, \
463 { "Serial Output " #x " Capture Mux", "Output ASRC1", "Output ASRC1 Mux" }, \
464 { "Serial Output " #x " Capture Mux", "Output ASRC2", "Output ASRC2 Mux" }, \
465 { "Serial Output " #x " Capture Mux", "Output ASRC3", "Output ASRC3 Mux" }, \
466 { "Serial Output " #x " Capture Mux", "Serial Input 0", "Serial Input 0" }, \
467 { "Serial Output " #x " Capture Mux", "Serial Input 1", "Serial Input 1" }, \
468 { "Serial Output " #x " Capture Mux", "Serial Input 2", "Serial Input 2" }, \
469 { "Serial Output " #x " Capture Mux", "Serial Input 3", "Serial Input 3" }, \
470 { "Serial Output " #x " Capture Mux", "Serial Input 4", "Serial Input 4" }, \
471 { "Serial Output " #x " Capture Mux", "Serial Input 5", "Serial Input 5" }, \
472 { "Serial Output " #x " Capture Mux", "Serial Input 6", "Serial Input 6" }, \
473 { "Serial Output " #x " Capture Mux", "Serial Input 7", "Serial Input 7" }, \
474 { "Serial Output " #x, NULL, "Serial Output " #x " Capture Mux" }, \
475 { "Capture", NULL, "Serial Output " #x }
477 #define ADAU1372_ASRCO_ROUTES(x) \
478 { "Output ASRC" #x " Mux", "Decimator0", "Decimator0 Mux" }, \
479 { "Output ASRC" #x " Mux", "Decimator1", "Decimator1 Mux" }, \
480 { "Output ASRC" #x " Mux", "Decimator2", "Decimator2 Mux" }, \
481 { "Output ASRC" #x " Mux", "Decimator3", "Decimator3 Mux" }
483 static const struct snd_soc_dapm_route adau1372_dapm_routes[] = {
484 { "PGA0", NULL, "AIN0" },
485 { "PGA1", NULL, "AIN1" },
486 { "PGA2", NULL, "AIN2" },
487 { "PGA3", NULL, "AIN3" },
489 { "ADC0", NULL, "PGA0" },
490 { "ADC1", NULL, "PGA1" },
491 { "ADC2", NULL, "PGA2" },
492 { "ADC3", NULL, "PGA3" },
494 { "Decimator0 Mux", "ADC", "ADC0" },
495 { "Decimator1 Mux", "ADC", "ADC1" },
496 { "Decimator2 Mux", "ADC", "ADC2" },
497 { "Decimator3 Mux", "ADC", "ADC3" },
499 { "Decimator0 Mux", "DMIC", "DMIC0_1" },
500 { "Decimator1 Mux", "DMIC", "DMIC0_1" },
501 { "Decimator2 Mux", "DMIC", "DMIC2_3" },
502 { "Decimator3 Mux", "DMIC", "DMIC2_3" },
504 { "Decimator0 Mux", NULL, "ADC0 Filter" },
505 { "Decimator1 Mux", NULL, "ADC1 Filter" },
506 { "Decimator2 Mux", NULL, "ADC2 Filter" },
507 { "Decimator3 Mux", NULL, "ADC3 Filter" },
509 { "Output ASRC0 Mux", NULL, "Output ASRC Supply" },
510 { "Output ASRC1 Mux", NULL, "Output ASRC Supply" },
511 { "Output ASRC2 Mux", NULL, "Output ASRC Supply" },
512 { "Output ASRC3 Mux", NULL, "Output ASRC Supply" },
513 { "Output ASRC0 Mux", NULL, "Output ASRC0 Decimator" },
514 { "Output ASRC1 Mux", NULL, "Output ASRC1 Decimator" },
515 { "Output ASRC2 Mux", NULL, "Output ASRC2 Decimator" },
516 { "Output ASRC3 Mux", NULL, "Output ASRC3 Decimator" },
518 ADAU1372_ASRCO_ROUTES(0),
519 ADAU1372_ASRCO_ROUTES(1),
520 ADAU1372_ASRCO_ROUTES(2),
521 ADAU1372_ASRCO_ROUTES(3),
523 ADAU1372_SOUT_ROUTES(0),
524 ADAU1372_SOUT_ROUTES(1),
525 ADAU1372_SOUT_ROUTES(2),
526 ADAU1372_SOUT_ROUTES(3),
527 ADAU1372_SOUT_ROUTES(4),
528 ADAU1372_SOUT_ROUTES(5),
529 ADAU1372_SOUT_ROUTES(6),
530 ADAU1372_SOUT_ROUTES(7),
532 { "Serial Input 0", NULL, "Playback" },
533 { "Serial Input 1", NULL, "Playback" },
534 { "Serial Input 2", NULL, "Playback" },
535 { "Serial Input 3", NULL, "Playback" },
536 { "Serial Input 4", NULL, "Playback" },
537 { "Serial Input 5", NULL, "Playback" },
538 { "Serial Input 6", NULL, "Playback" },
539 { "Serial Input 7", NULL, "Playback" },
541 { "Input ASRC0 Mux", "Serial Input 0+1", "Serial Input 0" },
542 { "Input ASRC1 Mux", "Serial Input 0+1", "Serial Input 1" },
543 { "Input ASRC0 Mux", "Serial Input 2+3", "Serial Input 2" },
544 { "Input ASRC1 Mux", "Serial Input 2+3", "Serial Input 3" },
545 { "Input ASRC0 Mux", "Serial Input 4+5", "Serial Input 4" },
546 { "Input ASRC1 Mux", "Serial Input 4+5", "Serial Input 5" },
547 { "Input ASRC0 Mux", "Serial Input 6+7", "Serial Input 6" },
548 { "Input ASRC1 Mux", "Serial Input 6+7", "Serial Input 7" },
549 { "Input ASRC0 Mux", NULL, "Input ASRC Supply" },
550 { "Input ASRC1 Mux", NULL, "Input ASRC Supply" },
551 { "Input ASRC0 Mux", NULL, "Input ASRC0 Interpolator" },
552 { "Input ASRC1 Mux", NULL, "Input ASRC1 Interpolator" },
554 { "DAC 0 Mux", "Input ASRC0", "Input ASRC0 Mux" },
555 { "DAC 0 Mux", "Input ASRC1", "Input ASRC1 Mux" },
556 { "DAC 1 Mux", "Input ASRC0", "Input ASRC0 Mux" },
557 { "DAC 1 Mux", "Input ASRC1", "Input ASRC1 Mux" },
559 { "DAC0", NULL, "DAC 0 Mux" },
560 { "DAC1", NULL, "DAC 1 Mux" },
561 { "DAC0", NULL, "DAC0 Modulator" },
562 { "DAC1", NULL, "DAC1 Modulator" },
564 { "OP_STAGE_LP", NULL, "DAC0" },
565 { "OP_STAGE_LN", NULL, "DAC0" },
566 { "OP_STAGE_RP", NULL, "DAC1" },
567 { "OP_STAGE_RN", NULL, "DAC1" },
569 { "HPOUTL", NULL, "OP_STAGE_LP" },
570 { "HPOUTL", NULL, "OP_STAGE_LN" },
571 { "HPOUTR", NULL, "OP_STAGE_RP" },
572 { "HPOUTR", NULL, "OP_STAGE_RN" },
575 static int adau1372_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
577 struct adau1372 *adau1372 = snd_soc_dai_get_drvdata(dai);
578 unsigned int sai0 = 0, sai1 = 0;
579 bool invert_lrclk = false;
581 switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
582 case SND_SOC_DAIFMT_CBP_CFP:
583 adau1372->clock_provider = true;
584 sai1 |= ADAU1372_SAI1_MS;
586 case SND_SOC_DAIFMT_CBC_CFC:
587 adau1372->clock_provider = false;
593 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
594 case SND_SOC_DAIFMT_NB_NF:
595 invert_lrclk = false;
597 case SND_SOC_DAIFMT_NB_IF:
600 case SND_SOC_DAIFMT_IB_NF:
601 invert_lrclk = false;
602 sai1 |= ADAU1372_SAI1_BCLKEDGE;
604 case SND_SOC_DAIFMT_IB_IF:
606 sai1 |= ADAU1372_SAI1_BCLKEDGE;
610 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
611 case SND_SOC_DAIFMT_I2S:
612 sai0 |= ADAU1372_SAI0_DELAY1;
614 case SND_SOC_DAIFMT_LEFT_J:
615 sai0 |= ADAU1372_SAI0_DELAY0;
616 invert_lrclk = !invert_lrclk;
618 case SND_SOC_DAIFMT_DSP_A:
619 sai0 |= ADAU1372_SAI0_DELAY1;
620 sai1 |= ADAU1372_SAI1_LR_MODE;
622 case SND_SOC_DAIFMT_DSP_B:
623 sai0 |= ADAU1372_SAI0_DELAY0;
624 sai1 |= ADAU1372_SAI1_LR_MODE;
629 sai1 |= ADAU1372_SAI1_LR_POL;
631 regmap_update_bits(adau1372->regmap, ADAU1372_REG_SAI0, ADAU1372_SAI0_DELAY_MASK, sai0);
632 regmap_update_bits(adau1372->regmap, ADAU1372_REG_SAI1,
633 ADAU1372_SAI1_MS | ADAU1372_SAI1_BCLKEDGE |
634 ADAU1372_SAI1_LR_MODE | ADAU1372_SAI1_LR_POL, sai1);
639 static int adau1372_hw_params(struct snd_pcm_substream *substream,
640 struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
642 struct adau1372 *adau1372 = snd_soc_dai_get_drvdata(dai);
643 unsigned int rate = params_rate(params);
644 unsigned int slot_width;
645 unsigned int sai0, sai1;
648 for (i = 0; i < ARRAY_SIZE(adau1372_rates); i++) {
649 if (rate == adau1372_rates[i])
653 if (i == ARRAY_SIZE(adau1372_rates))
658 slot_width = adau1372->slot_width;
660 slot_width = params_width(params);
662 switch (slot_width) {
664 sai1 = ADAU1372_SAI1_BCLKRATE;
673 regmap_update_bits(adau1372->regmap, ADAU1372_REG_SAI0, ADAU1372_SAI0_FS_MASK, sai0);
674 regmap_update_bits(adau1372->regmap, ADAU1372_REG_SAI1, ADAU1372_SAI1_BCLKRATE, sai1);
679 static int adau1372_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
680 unsigned int rx_mask, int slots, int width)
682 struct adau1372 *adau1372 = snd_soc_dai_get_drvdata(dai);
683 unsigned int sai0, sai1;
687 /* The other settings dont matter in I2S mode */
688 regmap_update_bits(adau1372->regmap, ADAU1372_REG_SAI0,
689 ADAU1372_SAI0_SAI_MASK, ADAU1372_SAI0_SAI_I2S);
690 adau1372->rate_constraints.mask = ADAU1372_RATE_MASK_TDM2;
691 adau1372->slot_width = 0;
695 /* We have 8 channels anything outside that is not supported */
696 if ((tx_mask & ~0xff) != 0 || (rx_mask & ~0xff) != 0)
701 sai1 = ADAU1372_SAI1_BCLK_TDMC;
712 sai0 = ADAU1372_SAI0_SAI_TDM2;
713 adau1372->rate_constraints.mask = ADAU1372_RATE_MASK_TDM2;
716 sai0 = ADAU1372_SAI0_SAI_TDM4;
717 if (adau1372->clock_provider)
718 adau1372->rate_constraints.mask = ADAU1372_RATE_MASK_TDM4_MASTER;
720 adau1372->rate_constraints.mask = ADAU1372_RATE_MASK_TDM4;
723 sai0 = ADAU1372_SAI0_SAI_TDM8;
724 adau1372->rate_constraints.mask = ADAU1372_RATE_MASK_TDM8;
730 adau1372->slot_width = width;
732 regmap_update_bits(adau1372->regmap, ADAU1372_REG_SAI0, ADAU1372_SAI0_SAI_MASK, sai0);
733 regmap_update_bits(adau1372->regmap, ADAU1372_REG_SAI1, ADAU1372_SAI1_BCLK_TDMC, sai1);
735 /* Mask is inverted in hardware */
736 regmap_write(adau1372->regmap, ADAU1372_REG_SOUT_CTRL, ~tx_mask);
741 static int adau1372_set_tristate(struct snd_soc_dai *dai, int tristate)
743 struct adau1372 *adau1372 = snd_soc_dai_get_drvdata(dai);
747 sai1 = ADAU1372_SAI1_TDM_TS;
751 return regmap_update_bits(adau1372->regmap, ADAU1372_REG_SAI1, ADAU1372_SAI1_TDM_TS, sai1);
754 static int adau1372_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
756 struct adau1372 *adau1372 = snd_soc_dai_get_drvdata(dai);
758 snd_pcm_hw_constraint_list(substream->runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
759 &adau1372->rate_constraints);
764 static void adau1372_enable_pll(struct adau1372 *adau1372)
766 unsigned int val, timeout = 0;
769 regmap_update_bits(adau1372->regmap, ADAU1372_REG_CLK_CTRL,
770 ADAU1372_CLK_CTRL_PLL_EN, ADAU1372_CLK_CTRL_PLL_EN);
772 /* Takes about 1ms to lock */
773 usleep_range(1000, 2000);
774 ret = regmap_read(adau1372->regmap, ADAU1372_REG_PLL(5), &val);
778 } while (!(val & 1) && timeout < 3);
780 if (ret < 0 || !(val & 1))
781 dev_err(adau1372->dev, "Failed to lock PLL\n");
784 static void adau1372_set_power(struct adau1372 *adau1372, bool enable)
786 if (adau1372->enabled == enable)
790 unsigned int clk_ctrl = ADAU1372_CLK_CTRL_MCLK_EN;
792 clk_prepare_enable(adau1372->mclk);
793 if (adau1372->pd_gpio)
794 gpiod_set_value(adau1372->pd_gpio, 0);
796 if (adau1372->switch_mode)
797 adau1372->switch_mode(adau1372->dev);
799 regcache_cache_only(adau1372->regmap, false);
802 * Clocks needs to be enabled before any other register can be
805 if (adau1372->use_pll) {
806 adau1372_enable_pll(adau1372);
807 clk_ctrl |= ADAU1372_CLK_CTRL_CLKSRC;
810 regmap_update_bits(adau1372->regmap, ADAU1372_REG_CLK_CTRL,
811 ADAU1372_CLK_CTRL_MCLK_EN | ADAU1372_CLK_CTRL_CLKSRC, clk_ctrl);
812 regcache_sync(adau1372->regmap);
814 if (adau1372->pd_gpio) {
816 * This will turn everything off and reset the register
817 * map. No need to do any register writes to manually
820 gpiod_set_value(adau1372->pd_gpio, 1);
821 regcache_mark_dirty(adau1372->regmap);
823 regmap_update_bits(adau1372->regmap, ADAU1372_REG_CLK_CTRL,
824 ADAU1372_CLK_CTRL_MCLK_EN | ADAU1372_CLK_CTRL_PLL_EN, 0);
826 clk_disable_unprepare(adau1372->mclk);
827 regcache_cache_only(adau1372->regmap, true);
830 adau1372->enabled = enable;
833 static int adau1372_set_bias_level(struct snd_soc_component *component,
834 enum snd_soc_bias_level level)
836 struct adau1372 *adau1372 = snd_soc_component_get_drvdata(component);
839 case SND_SOC_BIAS_ON:
841 case SND_SOC_BIAS_PREPARE:
843 case SND_SOC_BIAS_STANDBY:
844 adau1372_set_power(adau1372, true);
846 case SND_SOC_BIAS_OFF:
847 adau1372_set_power(adau1372, false);
854 static const struct snd_soc_component_driver adau1372_driver = {
855 .set_bias_level = adau1372_set_bias_level,
856 .controls = adau1372_controls,
857 .num_controls = ARRAY_SIZE(adau1372_controls),
858 .dapm_widgets = adau1372_dapm_widgets,
859 .num_dapm_widgets = ARRAY_SIZE(adau1372_dapm_widgets),
860 .dapm_routes = adau1372_dapm_routes,
861 .num_dapm_routes = ARRAY_SIZE(adau1372_dapm_routes),
864 static const struct snd_soc_dai_ops adau1372_dai_ops = {
865 .set_fmt = adau1372_set_dai_fmt,
866 .set_tdm_slot = adau1372_set_tdm_slot,
867 .set_tristate = adau1372_set_tristate,
868 .hw_params = adau1372_hw_params,
869 .startup = adau1372_startup,
872 #define ADAU1372_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
874 static struct snd_soc_dai_driver adau1372_dai_driver = {
877 .stream_name = "Playback",
880 .rates = SNDRV_PCM_RATE_KNOT,
881 .formats = ADAU1372_FORMATS,
885 .stream_name = "Capture",
888 .rates = SNDRV_PCM_RATE_KNOT,
889 .formats = ADAU1372_FORMATS,
892 .ops = &adau1372_dai_ops,
896 static int adau1372_setup_pll(struct adau1372 *adau1372, unsigned int rate)
902 ret = adau_calc_pll_cfg(rate, 49152000, regs);
906 for (i = 0; i < ARRAY_SIZE(regs); i++)
907 regmap_write(adau1372->regmap, ADAU1372_REG_PLL(i), regs[i]);
912 int adau1372_probe(struct device *dev, struct regmap *regmap,
913 void (*switch_mode)(struct device *dev))
915 struct adau1372 *adau1372;
916 unsigned int clk_ctrl;
921 return PTR_ERR(regmap);
923 adau1372 = devm_kzalloc(dev, sizeof(*adau1372), GFP_KERNEL);
927 adau1372->clk = devm_clk_get(dev, "mclk");
928 if (IS_ERR(adau1372->clk))
929 return PTR_ERR(adau1372->clk);
931 adau1372->pd_gpio = devm_gpiod_get_optional(dev, "powerdown", GPIOD_OUT_HIGH);
932 if (IS_ERR(adau1372->pd_gpio))
933 return PTR_ERR(adau1372->pd_gpio);
935 adau1372->regmap = regmap;
936 adau1372->switch_mode = switch_mode;
938 adau1372->rate_constraints.list = adau1372_rates;
939 adau1372->rate_constraints.count = ARRAY_SIZE(adau1372_rates);
940 adau1372->rate_constraints.mask = ADAU1372_RATE_MASK_TDM2;
942 dev_set_drvdata(dev, adau1372);
945 * The datasheet says that the internal MCLK always needs to run at
946 * 12.288MHz. Automatically choose a valid configuration from the
949 rate = clk_get_rate(adau1372->clk);
953 clk_ctrl = ADAU1372_CLK_CTRL_CC_MDIV;
960 ret = adau1372_setup_pll(adau1372, rate);
963 adau1372->use_pll = true;
968 * Most of the registers are inaccessible unless the internal clock is
971 regcache_cache_only(regmap, true);
973 regmap_update_bits(regmap, ADAU1372_REG_CLK_CTRL, ADAU1372_CLK_CTRL_CC_MDIV, clk_ctrl);
976 * No pinctrl support yet, put the multi-purpose pins in the most
977 * sensible mode for general purpose CODEC operation.
979 regmap_write(regmap, ADAU1372_REG_MODE_MP(1), 0x00); /* SDATA OUT */
980 regmap_write(regmap, ADAU1372_REG_MODE_MP(6), 0x12); /* CLOCKOUT */
982 regmap_write(regmap, ADAU1372_REG_OP_STAGE_MUTE, 0x0);
984 regmap_write(regmap, 0x7, 0x01); /* CLOCK OUT */
986 return devm_snd_soc_register_component(dev, &adau1372_driver, &adau1372_dai_driver, 1);
988 EXPORT_SYMBOL(adau1372_probe);
990 static const struct reg_default adau1372_reg_defaults[] = {
991 { ADAU1372_REG_CLK_CTRL, 0x00 },
992 { ADAU1372_REG_PLL(0), 0x00 },
993 { ADAU1372_REG_PLL(1), 0x00 },
994 { ADAU1372_REG_PLL(2), 0x00 },
995 { ADAU1372_REG_PLL(3), 0x00 },
996 { ADAU1372_REG_PLL(4), 0x00 },
997 { ADAU1372_REG_PLL(5), 0x00 },
998 { ADAU1372_REG_DAC_SOURCE, 0x10 },
999 { ADAU1372_REG_SOUT_SOURCE_0_1, 0x54 },
1000 { ADAU1372_REG_SOUT_SOURCE_2_3, 0x76 },
1001 { ADAU1372_REG_SOUT_SOURCE_4_5, 0x54 },
1002 { ADAU1372_REG_SOUT_SOURCE_6_7, 0x76 },
1003 { ADAU1372_REG_ADC_SDATA_CH, 0x04 },
1004 { ADAU1372_REG_ASRCO_SOURCE_0_1, 0x10 },
1005 { ADAU1372_REG_ASRCO_SOURCE_2_3, 0x32 },
1006 { ADAU1372_REG_ASRC_MODE, 0x00 },
1007 { ADAU1372_REG_ADC_CTRL0, 0x19 },
1008 { ADAU1372_REG_ADC_CTRL1, 0x19 },
1009 { ADAU1372_REG_ADC_CTRL2, 0x00 },
1010 { ADAU1372_REG_ADC_CTRL3, 0x00 },
1011 { ADAU1372_REG_ADC_VOL(0), 0x00 },
1012 { ADAU1372_REG_ADC_VOL(1), 0x00 },
1013 { ADAU1372_REG_ADC_VOL(2), 0x00 },
1014 { ADAU1372_REG_ADC_VOL(3), 0x00 },
1015 { ADAU1372_REG_PGA_CTRL(0), 0x40 },
1016 { ADAU1372_REG_PGA_CTRL(1), 0x40 },
1017 { ADAU1372_REG_PGA_CTRL(2), 0x40 },
1018 { ADAU1372_REG_PGA_CTRL(3), 0x40 },
1019 { ADAU1372_REG_PGA_BOOST, 0x00 },
1020 { ADAU1372_REG_MICBIAS, 0x00 },
1021 { ADAU1372_REG_DAC_CTRL, 0x18 },
1022 { ADAU1372_REG_DAC_VOL(0), 0x00 },
1023 { ADAU1372_REG_DAC_VOL(1), 0x00 },
1024 { ADAU1372_REG_OP_STAGE_MUTE, 0x0f },
1025 { ADAU1372_REG_SAI0, 0x00 },
1026 { ADAU1372_REG_SAI1, 0x00 },
1027 { ADAU1372_REG_SOUT_CTRL, 0x00 },
1028 { ADAU1372_REG_MODE_MP(0), 0x00 },
1029 { ADAU1372_REG_MODE_MP(1), 0x10 },
1030 { ADAU1372_REG_MODE_MP(4), 0x00 },
1031 { ADAU1372_REG_MODE_MP(5), 0x00 },
1032 { ADAU1372_REG_MODE_MP(6), 0x11 },
1033 { ADAU1372_REG_OP_STAGE_CTRL, 0x0f },
1034 { ADAU1372_REG_DECIM_PWR, 0x00 },
1035 { ADAU1372_REG_INTERP_PWR, 0x00 },
1036 { ADAU1372_REG_BIAS_CTRL0, 0x00 },
1037 { ADAU1372_REG_BIAS_CTRL1, 0x00 },
1040 static bool adau1372_volatile_register(struct device *dev, unsigned int reg)
1042 if (reg == ADAU1372_REG_PLL(5))
1048 const struct regmap_config adau1372_regmap_config = {
1051 .max_register = 0x4d,
1053 .reg_defaults = adau1372_reg_defaults,
1054 .num_reg_defaults = ARRAY_SIZE(adau1372_reg_defaults),
1055 .volatile_reg = adau1372_volatile_register,
1056 .cache_type = REGCACHE_RBTREE,
1058 EXPORT_SYMBOL_GPL(adau1372_regmap_config);
1060 MODULE_DESCRIPTION("ASoC ADAU1372 CODEC driver");
1061 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
1062 MODULE_LICENSE("GPL v2");