Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
ASoC: Add ak4619 codec support
Add support for the Asahi Kasei AK4619 audio codec.
[Kuninori cleanuped and adjusted to upstream code]
Signed-off-by: Khanh Le <khanh.le.xr@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://msgid.link/r/87iky5wxvr.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
authored by
Khanh Le
and committed by
Mark Brown
ca73d314
9f774c75
+919
+5
sound/soc/codecs/Kconfig
+5
sound/soc/codecs/Kconfig
···
45
45
imply SND_SOC_AK4535
46
46
imply SND_SOC_AK4554
47
47
imply SND_SOC_AK4613
48
+
imply SND_SOC_AK4619
48
49
imply SND_SOC_AK4641
49
50
imply SND_SOC_AK4642
50
51
imply SND_SOC_AK4671
···
598
597
config SND_SOC_AK4613
599
598
tristate "AKM AK4613 CODEC"
600
599
depends on I2C
600
+
601
+
config SND_SOC_AK4619
602
+
tristate "AKM AK4619 CODEC"
603
+
depends on I2C
601
604
602
605
config SND_SOC_AK4641
603
606
tristate
+2
sound/soc/codecs/Makefile
+2
sound/soc/codecs/Makefile
···
39
39
snd-soc-ak4535-y := ak4535.o
40
40
snd-soc-ak4554-y := ak4554.o
41
41
snd-soc-ak4613-y := ak4613.o
42
+
snd-soc-ak4619-y := ak4619.o
42
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snd-soc-ak4641-y := ak4641.o
43
44
snd-soc-ak4642-y := ak4642.o
44
45
snd-soc-ak4671-y := ak4671.o
···
440
439
obj-$(CONFIG_SND_SOC_AK4535) += snd-soc-ak4535.o
441
440
obj-$(CONFIG_SND_SOC_AK4554) += snd-soc-ak4554.o
442
441
obj-$(CONFIG_SND_SOC_AK4613) += snd-soc-ak4613.o
442
+
obj-$(CONFIG_SND_SOC_AK4619) += snd-soc-ak4619.o
443
443
obj-$(CONFIG_SND_SOC_AK4641) += snd-soc-ak4641.o
444
444
obj-$(CONFIG_SND_SOC_AK4642) += snd-soc-ak4642.o
445
445
obj-$(CONFIG_SND_SOC_AK4671) += snd-soc-ak4671.o
+912
sound/soc/codecs/ak4619.c
+912
sound/soc/codecs/ak4619.c
···
1
+
// SPDX-License-Identifier: GPL-2.0
2
+
/*
3
+
* ak4619.c -- Asahi Kasei ALSA SoC Audio driver
4
+
*
5
+
* Copyright (C) 2023 Renesas Electronics Corporation
6
+
* Khanh Le <khanh.le.xr@renesas.com>
7
+
*
8
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* Based on ak4613.c by Kuninori Morimoto
9
+
* Based on da7213.c by Adam Thomson
10
+
* Based on ak4641.c by Harald Welte
11
+
*/
12
+
13
+
#include <linux/clk.h>
14
+
#include <linux/gpio/consumer.h>
15
+
#include <linux/i2c.h>
16
+
#include <linux/slab.h>
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+
#include <linux/of_device.h>
18
+
#include <linux/module.h>
19
+
#include <linux/regmap.h>
20
+
#include <sound/soc.h>
21
+
#include <sound/pcm.h>
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+
#include <sound/pcm_params.h>
23
+
#include <sound/tlv.h>
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+
25
+
/*
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* Registers
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+
*/
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+
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+
#define PWR_MGMT 0x00 /* Power Management */
30
+
#define AU_IFF1 0x01 /* Audio I/F Format */
31
+
#define AU_IFF2 0x02 /* Audio I/F Format (Extended) */
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+
#define SYS_CLK 0x03 /* System Clock Setting */
33
+
#define MIC_AMP1 0x04 /* MIC AMP Gain 1 */
34
+
#define MIC_AMP2 0x05 /* MIC AMP Gain 2 */
35
+
#define LADC1 0x06 /* ADC1 Lch Digital Volume */
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+
#define RADC1 0x07 /* ADC1 Rch Digital Volume */
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+
#define LADC2 0x08 /* ADC2 Lch Digital Volume */
38
+
#define RADC2 0x09 /* ADC2 Rch Digital Volume */
39
+
#define ADC_DF 0x0a /* ADC Digital Filter Setting */
40
+
#define ADC_AI 0x0b /* ADC Analog Input Setting */
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+
#define ADC_MHPF 0x0D /* ADC Mute & HPF Control */
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+
#define LDAC1 0x0E /* DAC1 Lch Digital Volume */
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+
#define RDAC1 0x0F /* DAC1 Rch Digital Volume */
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#define LDAC2 0x10 /* DAC2 Lch Digital Volume */
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+
#define RDAC2 0x11 /* DAC2 Rch Digital Volume */
46
+
#define DAC_IS 0x12 /* DAC Input Select Setting */
47
+
#define DAC_DEMP 0x13 /* DAC De-Emphasis Setting */
48
+
#define DAC_MF 0x14 /* DAC Mute & Filter Setting */
49
+
50
+
/*
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* Bit fields
52
+
*/
53
+
54
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/* Power Management */
55
+
#define PMAD2 BIT(5)
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+
#define PMAD1 BIT(4)
57
+
#define PMDA2 BIT(2)
58
+
#define PMDA1 BIT(1)
59
+
#define RSTN BIT(0)
60
+
61
+
/* Audio_I/F Format */
62
+
#define DCF_STEREO_I2S (0x0 << 4)
63
+
#define DCF_STEREO_MSB (0x5 << 4)
64
+
#define DCF_PCM_SF (0x6 << 4)
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+
#define DCF_PCM_LF (0x7 << 4)
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+
#define DSL_32 (0x3 << 2)
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+
#define DCF_MASK (0x7 << 4)
68
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#define DSL_MASK (0x3 << 2)
69
+
#define BCKP BIT(1)
70
+
71
+
/* Audio_I/F Format (Extended) */
72
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#define DIDL_24 (0x0 << 2)
73
+
#define DIDL_20 (0x1 << 2)
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+
#define DIDL_16 (0x2 << 2)
75
+
#define DIDL_32 (0x3 << 2)
76
+
#define DODL_24 (0x0 << 0)
77
+
#define DODL_20 (0x1 << 0)
78
+
#define DODL_16 (0x2 << 0)
79
+
#define DIDL_MASK (0x3 << 2)
80
+
#define DODL_MASK (0x3 << 0)
81
+
#define SLOT BIT(4)
82
+
83
+
/* System Clock Setting */
84
+
#define FS_MASK 0x7
85
+
86
+
/* MIC AMP Gain */
87
+
#define MGNL_SHIFT 4
88
+
#define MGNR_SHIFT 0
89
+
#define MGN_MAX 0xB
90
+
91
+
/* ADC Digital Volume */
92
+
#define VOLAD_SHIFT 0
93
+
#define VOLAD_MAX 0xFF
94
+
95
+
/* ADC Digital Filter Setting */
96
+
#define AD1SL_SHIFT 0
97
+
#define AD2SL_SHIFT 4
98
+
99
+
/* Analog Input Select */
100
+
#define AD1LSEL_SHIFT 6
101
+
#define AD1RSEL_SHIFT 4
102
+
#define AD2LSEL_SHIFT 2
103
+
#define AD2RSEL_SHIFT 0
104
+
105
+
/* ADC Mute & HPF Control */
106
+
#define ATSPAD_SHIFT 7
107
+
#define AD1MUTE_SHIFT 5
108
+
#define AD2MUTE_SHIFT 6
109
+
#define AD1MUTE_MAX 1
110
+
#define AD2MUTE_MAX 1
111
+
#define AD1MUTE_EN BIT(5)
112
+
#define AD2MUTE_EN BIT(6)
113
+
#define AD1HPFN_SHIFT 1
114
+
#define AD1HPFN_MAX 1
115
+
#define AD2HPFN_SHIFT 2
116
+
#define AD2HPFN_MAX 1
117
+
118
+
/* DAC Digital Volume */
119
+
#define VOLDA_SHIFT 0
120
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#define VOLDA_MAX 0xFF
121
+
122
+
/* DAC Input Select Setting */
123
+
#define DAC1SEL_SHIFT 0
124
+
#define DAC2SEL_SHIFT 2
125
+
126
+
/* DAC De-Emphasis Setting */
127
+
#define DEM1_32000 (0x3 << 0)
128
+
#define DEM1_44100 (0x0 << 0)
129
+
#define DEM1_48000 (0x2 << 0)
130
+
#define DEM1_OFF (0x1 << 0)
131
+
#define DEM2_32000 (0x3 << 2)
132
+
#define DEM2_44100 (0x0 << 2)
133
+
#define DEM2_48000 (0x2 << 2)
134
+
#define DEM2_OFF (0x1 << 2)
135
+
#define DEM1_MASK (0x3 << 0)
136
+
#define DEM2_MASK (0x3 << 2)
137
+
#define DEM1_SHIFT 0
138
+
#define DEM2_SHIFT 2
139
+
140
+
/* DAC Mute & Filter Setting */
141
+
#define DA1MUTE_SHIFT 4
142
+
#define DA1MUTE_MAX 1
143
+
#define DA2MUTE_SHIFT 5
144
+
#define DA2MUTE_MAX 1
145
+
#define DA1MUTE_EN BIT(4)
146
+
#define DA2MUTE_EN BIT(5)
147
+
#define ATSPDA_SHIFT 7
148
+
#define DA1SL_SHIFT 0
149
+
#define DA2SL_SHIFT 2
150
+
151
+
/* Codec private data */
152
+
struct ak4619_priv {
153
+
struct regmap *regmap;
154
+
struct snd_pcm_hw_constraint_list constraint;
155
+
int deemph_en;
156
+
unsigned int playback_rate;
157
+
unsigned int sysclk;
158
+
};
159
+
160
+
/*
161
+
* DAC Volume
162
+
*
163
+
* max : 0x00 : +12.0 dB
164
+
* ( 0.5 dB step )
165
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* min : 0xFE : -115.0 dB
166
+
* mute: 0xFF
167
+
*/
168
+
static const DECLARE_TLV_DB_SCALE(dac_tlv, -11550, 50, 1);
169
+
170
+
/*
171
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* MIC Volume
172
+
*
173
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* max : 0x0B : +27.0 dB
174
+
* ( 3 dB step )
175
+
* min: 0x00 : -6.0 dB
176
+
*/
177
+
static const DECLARE_TLV_DB_SCALE(mic_tlv, -600, 300, 0);
178
+
179
+
/*
180
+
* ADC Volume
181
+
*
182
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* max : 0x00 : +24.0 dB
183
+
* ( 0.5 dB step )
184
+
* min : 0xFE : -103.0 dB
185
+
* mute: 0xFF
186
+
*/
187
+
static const DECLARE_TLV_DB_SCALE(adc_tlv, -10350, 50, 1);
188
+
189
+
/* ADC & DAC Volume Level Transition Time select */
190
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static const char * const ak4619_vol_trans_txt[] = {
191
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"4/fs", "16/fs"
192
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};
193
+
194
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static SOC_ENUM_SINGLE_DECL(ak4619_adc_vol_trans, ADC_MHPF, ATSPAD_SHIFT, ak4619_vol_trans_txt);
195
+
static SOC_ENUM_SINGLE_DECL(ak4619_dac_vol_trans, DAC_MF, ATSPDA_SHIFT, ak4619_vol_trans_txt);
196
+
197
+
/* ADC Digital Filter select */
198
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static const char * const ak4619_adc_digi_fil_txt[] = {
199
+
"Sharp Roll-Off Filter",
200
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"Slow Roll-Off Filter",
201
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"Short Delay Sharp Roll-Off Filter",
202
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"Short Delay Slow Roll-Off Filter",
203
+
"Voice Filter"
204
+
};
205
+
206
+
static SOC_ENUM_SINGLE_DECL(ak4619_adc_1_digi_fil, ADC_DF, AD1SL_SHIFT, ak4619_adc_digi_fil_txt);
207
+
static SOC_ENUM_SINGLE_DECL(ak4619_adc_2_digi_fil, ADC_DF, AD2SL_SHIFT, ak4619_adc_digi_fil_txt);
208
+
209
+
/* DAC De-Emphasis Filter select */
210
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static const char * const ak4619_dac_de_emp_txt[] = {
211
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"44.1kHz", "OFF", "48kHz", "32kHz"
212
+
};
213
+
214
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static SOC_ENUM_SINGLE_DECL(ak4619_dac_1_de_emp, DAC_DEMP, DEM1_SHIFT, ak4619_dac_de_emp_txt);
215
+
static SOC_ENUM_SINGLE_DECL(ak4619_dac_2_de_emp, DAC_DEMP, DEM2_SHIFT, ak4619_dac_de_emp_txt);
216
+
217
+
/* DAC Digital Filter select */
218
+
static const char * const ak4619_dac_digi_fil_txt[] = {
219
+
"Sharp Roll-Off Filter",
220
+
"Slow Roll-Off Filter",
221
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"Short Delay Sharp Roll-Off Filter",
222
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"Short Delay Slow Roll-Off Filter"
223
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};
224
+
225
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static SOC_ENUM_SINGLE_DECL(ak4619_dac_1_digi_fil, DAC_MF, DA1SL_SHIFT, ak4619_dac_digi_fil_txt);
226
+
static SOC_ENUM_SINGLE_DECL(ak4619_dac_2_digi_fil, DAC_MF, DA2SL_SHIFT, ak4619_dac_digi_fil_txt);
227
+
228
+
/*
229
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* Control functions
230
+
*/
231
+
232
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static void ak4619_set_deemph(struct snd_soc_component *component)
233
+
{
234
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struct ak4619_priv *ak4619 = snd_soc_component_get_drvdata(component);
235
+
u8 dem = 0;
236
+
237
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if (!ak4619->deemph_en)
238
+
return;
239
+
240
+
switch (ak4619->playback_rate) {
241
+
case 32000:
242
+
dem |= DEM1_32000 | DEM2_32000;
243
+
break;
244
+
case 44100:
245
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dem |= DEM1_44100 | DEM2_44100;
246
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break;
247
+
case 48000:
248
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dem |= DEM1_48000 | DEM2_48000;
249
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break;
250
+
default:
251
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dem |= DEM1_OFF | DEM2_OFF;
252
+
break;
253
+
}
254
+
snd_soc_component_update_bits(component, DAC_DEMP, DEM1_MASK | DEM2_MASK, dem);
255
+
}
256
+
257
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static int ak4619_put_deemph(struct snd_kcontrol *kcontrol,
258
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struct snd_ctl_elem_value *ucontrol)
259
+
{
260
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struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
261
+
struct ak4619_priv *ak4619 = snd_soc_component_get_drvdata(component);
262
+
int deemph_en = ucontrol->value.integer.value[0];
263
+
int ret = 0;
264
+
265
+
switch (deemph_en) {
266
+
case 0:
267
+
case 1:
268
+
break;
269
+
default:
270
+
return -EINVAL;
271
+
}
272
+
273
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if (ak4619->deemph_en != deemph_en)
274
+
ret = 1; /* The value changed */
275
+
276
+
ak4619->deemph_en = deemph_en;
277
+
ak4619_set_deemph(component);
278
+
279
+
return ret;
280
+
}
281
+
282
+
static int ak4619_get_deemph(struct snd_kcontrol *kcontrol,
283
+
struct snd_ctl_elem_value *ucontrol)
284
+
{
285
+
struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
286
+
struct ak4619_priv *ak4619 = snd_soc_component_get_drvdata(component);
287
+
288
+
ucontrol->value.integer.value[0] = ak4619->deemph_en;
289
+
290
+
return 0;
291
+
};
292
+
293
+
/*
294
+
* KControls
295
+
*/
296
+
static const struct snd_kcontrol_new ak4619_snd_controls[] = {
297
+
298
+
/* Volume controls */
299
+
SOC_DOUBLE_R_TLV("DAC 1 Volume", LDAC1, RDAC1, VOLDA_SHIFT, VOLDA_MAX, 1, dac_tlv),
300
+
SOC_DOUBLE_R_TLV("DAC 2 Volume", LDAC2, RDAC2, VOLDA_SHIFT, VOLDA_MAX, 1, dac_tlv),
301
+
SOC_DOUBLE_R_TLV("ADC 1 Volume", LADC1, RADC1, VOLAD_SHIFT, VOLAD_MAX, 1, adc_tlv),
302
+
SOC_DOUBLE_R_TLV("ADC 2 Volume", LADC2, RADC2, VOLAD_SHIFT, VOLAD_MAX, 1, adc_tlv),
303
+
304
+
SOC_DOUBLE_TLV("Mic 1 Volume", MIC_AMP1, MGNL_SHIFT, MGNR_SHIFT, MGN_MAX, 0, mic_tlv),
305
+
SOC_DOUBLE_TLV("Mic 2 Volume", MIC_AMP2, MGNL_SHIFT, MGNR_SHIFT, MGN_MAX, 0, mic_tlv),
306
+
307
+
/* Volume Level Transition Time controls */
308
+
SOC_ENUM("ADC Volume Level Transition Time", ak4619_adc_vol_trans),
309
+
SOC_ENUM("DAC Volume Level Transition Time", ak4619_dac_vol_trans),
310
+
311
+
/* Mute controls */
312
+
SOC_SINGLE("DAC 1 Switch", DAC_MF, DA1MUTE_SHIFT, DA1MUTE_MAX, 1),
313
+
SOC_SINGLE("DAC 2 Switch", DAC_MF, DA2MUTE_SHIFT, DA2MUTE_MAX, 1),
314
+
315
+
SOC_SINGLE("ADC 1 Switch", ADC_MHPF, AD1MUTE_SHIFT, AD1MUTE_MAX, 1),
316
+
SOC_SINGLE("ADC 2 Switch", ADC_MHPF, AD2MUTE_SHIFT, AD2MUTE_MAX, 1),
317
+
318
+
/* Filter controls */
319
+
SOC_ENUM("ADC 1 Digital Filter", ak4619_adc_1_digi_fil),
320
+
SOC_ENUM("ADC 2 Digital Filter", ak4619_adc_2_digi_fil),
321
+
322
+
SOC_SINGLE("ADC 1 HPF", ADC_MHPF, AD1HPFN_SHIFT, AD1HPFN_MAX, 1),
323
+
SOC_SINGLE("ADC 2 HPF", ADC_MHPF, AD2HPFN_SHIFT, AD2HPFN_MAX, 1),
324
+
325
+
SOC_ENUM("DAC 1 De-Emphasis Filter", ak4619_dac_1_de_emp),
326
+
SOC_ENUM("DAC 2 De-Emphasis Filter", ak4619_dac_2_de_emp),
327
+
328
+
SOC_ENUM("DAC 1 Digital Filter", ak4619_dac_1_digi_fil),
329
+
SOC_ENUM("DAC 2 Digital Filter", ak4619_dac_2_digi_fil),
330
+
331
+
SOC_SINGLE_BOOL_EXT("Playback De-Emphasis Switch", 0, ak4619_get_deemph, ak4619_put_deemph),
332
+
};
333
+
334
+
/*
335
+
* DAPM
336
+
*/
337
+
338
+
/* Analog input mode */
339
+
static const char * const ak4619_analog_in_txt[] = {
340
+
"Differential", "Single-Ended1", "Single-Ended2", "Pseudo Differential"
341
+
};
342
+
343
+
static SOC_ENUM_SINGLE_DECL(ak4619_ad_1_left_in, ADC_AI, AD1LSEL_SHIFT, ak4619_analog_in_txt);
344
+
static SOC_ENUM_SINGLE_DECL(ak4619_ad_1_right_in, ADC_AI, AD1RSEL_SHIFT, ak4619_analog_in_txt);
345
+
static SOC_ENUM_SINGLE_DECL(ak4619_ad_2_left_in, ADC_AI, AD2LSEL_SHIFT, ak4619_analog_in_txt);
346
+
static SOC_ENUM_SINGLE_DECL(ak4619_ad_2_right_in, ADC_AI, AD2RSEL_SHIFT, ak4619_analog_in_txt);
347
+
348
+
static const struct snd_kcontrol_new ak4619_ad_1_left_in_mux =
349
+
SOC_DAPM_ENUM("Analog Input 1 Left MUX", ak4619_ad_1_left_in);
350
+
static const struct snd_kcontrol_new ak4619_ad_1_right_in_mux =
351
+
SOC_DAPM_ENUM("Analog Input 1 Right MUX", ak4619_ad_1_right_in);
352
+
static const struct snd_kcontrol_new ak4619_ad_2_left_in_mux =
353
+
SOC_DAPM_ENUM("Analog Input 2 Left MUX", ak4619_ad_2_left_in);
354
+
static const struct snd_kcontrol_new ak4619_ad_2_right_in_mux =
355
+
SOC_DAPM_ENUM("Analog Input 2 Right MUX", ak4619_ad_2_right_in);
356
+
357
+
/* DAC source mux */
358
+
static const char * const ak4619_dac_in_txt[] = {
359
+
"SDIN1", "SDIN2", "SDOUT1", "SDOUT2"
360
+
};
361
+
362
+
static SOC_ENUM_SINGLE_DECL(ak4619_dac_1_in, DAC_IS, DAC1SEL_SHIFT, ak4619_dac_in_txt);
363
+
static SOC_ENUM_SINGLE_DECL(ak4619_dac_2_in, DAC_IS, DAC2SEL_SHIFT, ak4619_dac_in_txt);
364
+
365
+
static const struct snd_kcontrol_new ak4619_dac_1_in_mux =
366
+
SOC_DAPM_ENUM("DAC 1 Source MUX", ak4619_dac_1_in);
367
+
static const struct snd_kcontrol_new ak4619_dac_2_in_mux =
368
+
SOC_DAPM_ENUM("DAC 2 Source MUX", ak4619_dac_2_in);
369
+
370
+
static const struct snd_soc_dapm_widget ak4619_dapm_widgets[] = {
371
+
372
+
/* DACs */
373
+
SND_SOC_DAPM_DAC("DAC1", NULL, PWR_MGMT, 1, 0),
374
+
SND_SOC_DAPM_DAC("DAC2", NULL, PWR_MGMT, 2, 0),
375
+
376
+
/* ADCs */
377
+
SND_SOC_DAPM_ADC("ADC1", NULL, PWR_MGMT, 4, 0),
378
+
SND_SOC_DAPM_ADC("ADC2", NULL, PWR_MGMT, 5, 0),
379
+
380
+
/* Outputs */
381
+
SND_SOC_DAPM_OUTPUT("AOUT1L"),
382
+
SND_SOC_DAPM_OUTPUT("AOUT2L"),
383
+
384
+
SND_SOC_DAPM_OUTPUT("AOUT1R"),
385
+
SND_SOC_DAPM_OUTPUT("AOUT2R"),
386
+
387
+
/* Inputs */
388
+
SND_SOC_DAPM_INPUT("AIN1L"),
389
+
SND_SOC_DAPM_INPUT("AIN2L"),
390
+
SND_SOC_DAPM_INPUT("AIN4L"),
391
+
SND_SOC_DAPM_INPUT("AIN5L"),
392
+
393
+
SND_SOC_DAPM_INPUT("AIN1R"),
394
+
SND_SOC_DAPM_INPUT("AIN2R"),
395
+
SND_SOC_DAPM_INPUT("AIN4R"),
396
+
SND_SOC_DAPM_INPUT("AIN5R"),
397
+
398
+
SND_SOC_DAPM_INPUT("MIC1L"),
399
+
SND_SOC_DAPM_INPUT("MIC1R"),
400
+
SND_SOC_DAPM_INPUT("MIC2L"),
401
+
SND_SOC_DAPM_INPUT("MIC2R"),
402
+
403
+
/* DAI */
404
+
SND_SOC_DAPM_AIF_IN("SDIN1", "Playback", 0, SND_SOC_NOPM, 0, 0),
405
+
SND_SOC_DAPM_AIF_IN("SDIN2", "Playback", 0, SND_SOC_NOPM, 0, 0),
406
+
SND_SOC_DAPM_AIF_OUT("SDOUT1", "Capture", 0, SND_SOC_NOPM, 0, 0),
407
+
SND_SOC_DAPM_AIF_OUT("SDOUT2", "Capture", 0, SND_SOC_NOPM, 0, 0),
408
+
409
+
/* MUXs for Mic PGA source selection */
410
+
SND_SOC_DAPM_MUX("Analog Input 1 Left MUX", SND_SOC_NOPM, 0, 0, &ak4619_ad_1_left_in_mux),
411
+
SND_SOC_DAPM_MUX("Analog Input 1 Right MUX", SND_SOC_NOPM, 0, 0, &ak4619_ad_1_right_in_mux),
412
+
SND_SOC_DAPM_MUX("Analog Input 2 Left MUX", SND_SOC_NOPM, 0, 0, &ak4619_ad_2_left_in_mux),
413
+
SND_SOC_DAPM_MUX("Analog Input 2 Right MUX", SND_SOC_NOPM, 0, 0, &ak4619_ad_2_right_in_mux),
414
+
415
+
/* MUXs for DAC source selection */
416
+
SND_SOC_DAPM_MUX("DAC 1 Source MUX", SND_SOC_NOPM, 0, 0, &ak4619_dac_1_in_mux),
417
+
SND_SOC_DAPM_MUX("DAC 2 Source MUX", SND_SOC_NOPM, 0, 0, &ak4619_dac_2_in_mux),
418
+
};
419
+
420
+
static const struct snd_soc_dapm_route ak4619_intercon[] = {
421
+
/* Dest Connecting Widget Source */
422
+
423
+
/* Output path */
424
+
{"AOUT1L", NULL, "DAC1"},
425
+
{"AOUT2L", NULL, "DAC2"},
426
+
427
+
{"AOUT1R", NULL, "DAC1"},
428
+
{"AOUT2R", NULL, "DAC2"},
429
+
430
+
{"DAC1", NULL, "DAC 1 Source MUX"},
431
+
{"DAC2", NULL, "DAC 2 Source MUX"},
432
+
433
+
{"DAC 1 Source MUX", "SDIN1", "SDIN1"},
434
+
{"DAC 1 Source MUX", "SDIN2", "SDIN2"},
435
+
{"DAC 1 Source MUX", "SDOUT1", "SDOUT1"},
436
+
{"DAC 1 Source MUX", "SDOUT2", "SDOUT2"},
437
+
438
+
{"DAC 2 Source MUX", "SDIN1", "SDIN1"},
439
+
{"DAC 2 Source MUX", "SDIN2", "SDIN2"},
440
+
{"DAC 2 Source MUX", "SDOUT1", "SDOUT1"},
441
+
{"DAC 2 Source MUX", "SDOUT2", "SDOUT2"},
442
+
443
+
/* Input path */
444
+
{"SDOUT1", NULL, "ADC1"},
445
+
{"SDOUT2", NULL, "ADC2"},
446
+
447
+
{"ADC1", NULL, "Analog Input 1 Left MUX"},
448
+
{"ADC1", NULL, "Analog Input 1 Right MUX"},
449
+
450
+
{"ADC2", NULL, "Analog Input 2 Left MUX"},
451
+
{"ADC2", NULL, "Analog Input 2 Right MUX"},
452
+
453
+
{"Analog Input 1 Left MUX", "Differential", "MIC1L"},
454
+
{"Analog Input 1 Left MUX", "Single-Ended1", "MIC1L"},
455
+
{"Analog Input 1 Left MUX", "Single-Ended2", "MIC1L"},
456
+
{"Analog Input 1 Left MUX", "Pseudo Differential", "MIC1L"},
457
+
458
+
{"Analog Input 1 Right MUX", "Differential", "MIC1R"},
459
+
{"Analog Input 1 Right MUX", "Single-Ended1", "MIC1R"},
460
+
{"Analog Input 1 Right MUX", "Single-Ended2", "MIC1R"},
461
+
{"Analog Input 1 Right MUX", "Pseudo Differential", "MIC1R"},
462
+
463
+
{"Analog Input 2 Left MUX", "Differential", "MIC2L"},
464
+
{"Analog Input 2 Left MUX", "Single-Ended1", "MIC2L"},
465
+
{"Analog Input 2 Left MUX", "Single-Ended2", "MIC2L"},
466
+
{"Analog Input 2 Left MUX", "Pseudo Differential", "MIC2L"},
467
+
468
+
{"Analog Input 2 Right MUX", "Differential", "MIC2R"},
469
+
{"Analog Input 2 Right MUX", "Single-Ended1", "MIC2R"},
470
+
{"Analog Input 2 Right MUX", "Single-Ended2", "MIC2R"},
471
+
{"Analog Input 2 Right MUX", "Pseudo Differential", "MIC2R"},
472
+
473
+
{"MIC1L", NULL, "AIN1L"},
474
+
{"MIC1L", NULL, "AIN2L"},
475
+
476
+
{"MIC1R", NULL, "AIN1R"},
477
+
{"MIC1R", NULL, "AIN2R"},
478
+
479
+
{"MIC2L", NULL, "AIN4L"},
480
+
{"MIC2L", NULL, "AIN5L"},
481
+
482
+
{"MIC2R", NULL, "AIN4R"},
483
+
{"MIC2R", NULL, "AIN5R"},
484
+
};
485
+
486
+
static const struct reg_default ak4619_reg_defaults[] = {
487
+
{ PWR_MGMT, 0x00 },
488
+
{ AU_IFF1, 0x0C },
489
+
{ AU_IFF2, 0x0C },
490
+
{ SYS_CLK, 0x00 },
491
+
{ MIC_AMP1, 0x22 },
492
+
{ MIC_AMP2, 0x22 },
493
+
{ LADC1, 0x30 },
494
+
{ RADC1, 0x30 },
495
+
{ LADC2, 0x30 },
496
+
{ RADC2, 0x30 },
497
+
{ ADC_DF, 0x00 },
498
+
{ ADC_AI, 0x00 },
499
+
{ ADC_MHPF, 0x00 },
500
+
{ LDAC1, 0x18 },
501
+
{ RDAC1, 0x18 },
502
+
{ LDAC2, 0x18 },
503
+
{ RDAC2, 0x18 },
504
+
{ DAC_IS, 0x04 },
505
+
{ DAC_DEMP, 0x05 },
506
+
{ DAC_MF, 0x0A },
507
+
};
508
+
509
+
static int ak4619_set_bias_level(struct snd_soc_component *component,
510
+
enum snd_soc_bias_level level)
511
+
{
512
+
u8 pwr_ctrl = 0;
513
+
514
+
switch (level) {
515
+
case SND_SOC_BIAS_ON:
516
+
pwr_ctrl |= RSTN;
517
+
fallthrough;
518
+
case SND_SOC_BIAS_PREPARE:
519
+
pwr_ctrl |= PMAD1 | PMAD2 | PMDA1 | PMDA2;
520
+
fallthrough;
521
+
case SND_SOC_BIAS_STANDBY:
522
+
case SND_SOC_BIAS_OFF:
523
+
default:
524
+
break;
525
+
}
526
+
527
+
snd_soc_component_write(component, PWR_MGMT, pwr_ctrl);
528
+
529
+
return 0;
530
+
}
531
+
532
+
static int ak4619_dai_hw_params(struct snd_pcm_substream *substream,
533
+
struct snd_pcm_hw_params *params,
534
+
struct snd_soc_dai *dai)
535
+
{
536
+
struct snd_soc_component *component = dai->component;
537
+
struct ak4619_priv *ak4619 = snd_soc_component_get_drvdata(component);
538
+
unsigned int width;
539
+
unsigned int rate;
540
+
unsigned int fs;
541
+
bool is_play = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
542
+
u8 dai_ctrl = 0;
543
+
u8 clk_mode = 0;
544
+
545
+
width = params_width(params);
546
+
switch (width) {
547
+
case 16:
548
+
dai_ctrl |= is_play ? DIDL_16 : DODL_16;
549
+
break;
550
+
case 20:
551
+
dai_ctrl |= is_play ? DIDL_20 : DODL_20;
552
+
break;
553
+
case 24:
554
+
dai_ctrl |= is_play ? DIDL_24 : DODL_24;
555
+
break;
556
+
case 32:
557
+
if (is_play)
558
+
dai_ctrl |= DIDL_32;
559
+
else
560
+
return -EINVAL;
561
+
break;
562
+
default:
563
+
return -EINVAL;
564
+
}
565
+
566
+
rate = params_rate(params);
567
+
if (rate)
568
+
fs = ak4619->sysclk / rate;
569
+
else
570
+
return -EINVAL;
571
+
572
+
switch (rate) {
573
+
case 8000:
574
+
case 11025:
575
+
case 12000:
576
+
case 16000:
577
+
case 22050:
578
+
case 24000:
579
+
case 32000:
580
+
case 44100:
581
+
case 48000:
582
+
switch (fs) {
583
+
case 256:
584
+
clk_mode |= (0x0 << 0);
585
+
break;
586
+
case 384:
587
+
clk_mode |= (0x2 << 0);
588
+
break;
589
+
case 512:
590
+
clk_mode |= (0x3 << 0);
591
+
break;
592
+
default:
593
+
return -EINVAL;
594
+
}
595
+
break;
596
+
case 64000:
597
+
case 88200:
598
+
case 96000:
599
+
if (fs == 256)
600
+
clk_mode |= (0x1 << 0);
601
+
else
602
+
return -EINVAL;
603
+
break;
604
+
case 176400:
605
+
case 192000:
606
+
if (fs == 128)
607
+
clk_mode |= (0x4 << 0);
608
+
else
609
+
return -EINVAL;
610
+
break;
611
+
default:
612
+
return -EINVAL;
613
+
}
614
+
615
+
snd_soc_component_update_bits(component, SYS_CLK, FS_MASK, clk_mode);
616
+
snd_soc_component_update_bits(component, AU_IFF2,
617
+
is_play ? DIDL_MASK : DODL_MASK, dai_ctrl);
618
+
619
+
if (is_play) {
620
+
ak4619->playback_rate = rate;
621
+
ak4619_set_deemph(component);
622
+
}
623
+
624
+
return 0;
625
+
}
626
+
627
+
static int ak4619_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
628
+
{
629
+
struct snd_soc_component *component = dai->component;
630
+
u8 dai_fmt1 = 0;
631
+
u8 dai_fmt2 = 0;
632
+
633
+
/* Set clock normal/inverted */
634
+
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
635
+
case SND_SOC_DAIFMT_NB_NF:
636
+
break;
637
+
case SND_SOC_DAIFMT_IB_NF:
638
+
dai_fmt1 |= BCKP;
639
+
break;
640
+
case SND_SOC_DAIFMT_NB_IF:
641
+
case SND_SOC_DAIFMT_IB_IF:
642
+
default:
643
+
return -EINVAL;
644
+
}
645
+
646
+
/* Only Stereo modes are supported */
647
+
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
648
+
case SND_SOC_DAIFMT_I2S:
649
+
dai_fmt1 |= DCF_STEREO_I2S;
650
+
break;
651
+
case SND_SOC_DAIFMT_LEFT_J:
652
+
dai_fmt1 |= DCF_STEREO_MSB;
653
+
break;
654
+
case SND_SOC_DAIFMT_DSP_A: /* L data MSB after FRM LRC */
655
+
dai_fmt1 |= DCF_PCM_SF;
656
+
dai_fmt2 |= SLOT;
657
+
break;
658
+
case SND_SOC_DAIFMT_DSP_B: /* L data MSB during FRM LRC */
659
+
dai_fmt1 |= DCF_PCM_LF;
660
+
dai_fmt2 |= SLOT;
661
+
break;
662
+
default:
663
+
return -EINVAL;
664
+
}
665
+
666
+
/* Only slave mode is support */
667
+
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
668
+
case SND_SOC_DAIFMT_CBC_CFC:
669
+
break;
670
+
default:
671
+
return -EINVAL;
672
+
}
673
+
674
+
/* By default only 64 BICK per LRCLK is supported */
675
+
dai_fmt1 |= DSL_32;
676
+
677
+
snd_soc_component_update_bits(component, AU_IFF1, DCF_MASK |
678
+
DSL_MASK | BCKP, dai_fmt1);
679
+
snd_soc_component_update_bits(component, AU_IFF2, SLOT, dai_fmt2);
680
+
681
+
return 0;
682
+
}
683
+
684
+
static int ak4619_dai_set_sysclk(struct snd_soc_dai *codec_dai,
685
+
int clk_id, unsigned int freq, int dir)
686
+
{
687
+
struct snd_soc_component *component = codec_dai->component;
688
+
struct ak4619_priv *ak4619 = snd_soc_component_get_drvdata(component);
689
+
690
+
ak4619->sysclk = freq;
691
+
692
+
return 0;
693
+
}
694
+
695
+
static int ak4619_dai_mute(struct snd_soc_dai *dai, int mute, int direction)
696
+
{
697
+
struct snd_soc_component *component = dai->component;
698
+
699
+
snd_soc_component_update_bits(component, DAC_MF, DA1MUTE_EN, mute ? DA1MUTE_EN : 0);
700
+
snd_soc_component_update_bits(component, DAC_MF, DA2MUTE_EN, mute ? DA2MUTE_EN : 0);
701
+
702
+
return 0;
703
+
}
704
+
705
+
static void ak4619_hw_constraints(struct ak4619_priv *ak4619,
706
+
struct snd_pcm_runtime *runtime)
707
+
{
708
+
struct snd_pcm_hw_constraint_list *constraint = &ak4619->constraint;
709
+
int ak4619_rate_mask = 0;
710
+
unsigned int fs;
711
+
int i;
712
+
static const unsigned int ak4619_sr[] = {
713
+
8000,
714
+
11025,
715
+
12000,
716
+
16000,
717
+
22050,
718
+
24000,
719
+
32000,
720
+
44100,
721
+
48000,
722
+
64000,
723
+
88200,
724
+
96000,
725
+
176400,
726
+
192000,
727
+
};
728
+
729
+
/*
730
+
* [8kHz - 48kHz] : 256fs, 384fs or 512fs
731
+
* [64kHz - 96kHz] : 256fs
732
+
* [176.4kHz, 192kHz] : 128fs
733
+
*/
734
+
735
+
for (i = 0; i < ARRAY_SIZE(ak4619_sr); i++) {
736
+
fs = ak4619->sysclk / ak4619_sr[i];
737
+
738
+
switch (fs) {
739
+
case 512:
740
+
case 384:
741
+
case 256:
742
+
ak4619_rate_mask |= (1 << i);
743
+
break;
744
+
case 128:
745
+
switch (i) {
746
+
case (ARRAY_SIZE(ak4619_sr) - 1):
747
+
case (ARRAY_SIZE(ak4619_sr) - 2):
748
+
ak4619_rate_mask |= (1 << i);
749
+
break;
750
+
default:
751
+
break;
752
+
}
753
+
break;
754
+
default:
755
+
break;
756
+
}
757
+
};
758
+
759
+
constraint->list = ak4619_sr;
760
+
constraint->mask = ak4619_rate_mask;
761
+
constraint->count = ARRAY_SIZE(ak4619_sr);
762
+
763
+
snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, constraint);
764
+
};
765
+
766
+
#define PLAYBACK_MODE 0
767
+
#define CAPTURE_MODE 1
768
+
769
+
static int ak4619_dai_startup(struct snd_pcm_substream *substream,
770
+
struct snd_soc_dai *dai)
771
+
{
772
+
struct snd_soc_component *component = dai->component;
773
+
struct ak4619_priv *ak4619 = snd_soc_component_get_drvdata(component);
774
+
775
+
ak4619_hw_constraints(ak4619, substream->runtime);
776
+
777
+
return 0;
778
+
}
779
+
780
+
static u64 ak4619_dai_formats[] = {
781
+
/*
782
+
* Select below from Sound Card, not here
783
+
* SND_SOC_DAIFMT_CBC_CFC
784
+
* SND_SOC_DAIFMT_CBP_CFP
785
+
*/
786
+
787
+
/* First Priority */
788
+
SND_SOC_POSSIBLE_DAIFMT_I2S |
789
+
SND_SOC_POSSIBLE_DAIFMT_LEFT_J,
790
+
791
+
/* Second Priority */
792
+
SND_SOC_POSSIBLE_DAIFMT_DSP_A |
793
+
SND_SOC_POSSIBLE_DAIFMT_DSP_B,
794
+
};
795
+
796
+
static const struct snd_soc_dai_ops ak4619_dai_ops = {
797
+
.startup = ak4619_dai_startup,
798
+
.set_sysclk = ak4619_dai_set_sysclk,
799
+
.set_fmt = ak4619_dai_set_fmt,
800
+
.hw_params = ak4619_dai_hw_params,
801
+
.mute_stream = ak4619_dai_mute,
802
+
.auto_selectable_formats = ak4619_dai_formats,
803
+
.num_auto_selectable_formats = ARRAY_SIZE(ak4619_dai_formats),
804
+
};
805
+
806
+
static const struct snd_soc_component_driver soc_component_dev_ak4619 = {
807
+
.set_bias_level = ak4619_set_bias_level,
808
+
.controls = ak4619_snd_controls,
809
+
.num_controls = ARRAY_SIZE(ak4619_snd_controls),
810
+
.dapm_widgets = ak4619_dapm_widgets,
811
+
.num_dapm_widgets = ARRAY_SIZE(ak4619_dapm_widgets),
812
+
.dapm_routes = ak4619_intercon,
813
+
.num_dapm_routes = ARRAY_SIZE(ak4619_intercon),
814
+
.idle_bias_on = 1,
815
+
.endianness = 1,
816
+
};
817
+
818
+
static const struct regmap_config ak4619_regmap_cfg = {
819
+
.reg_bits = 8,
820
+
.val_bits = 8,
821
+
.max_register = 0x14,
822
+
.reg_defaults = ak4619_reg_defaults,
823
+
.num_reg_defaults = ARRAY_SIZE(ak4619_reg_defaults),
824
+
.cache_type = REGCACHE_MAPLE,
825
+
};
826
+
827
+
static const struct of_device_id ak4619_of_match[] = {
828
+
{ .compatible = "asahi-kasei,ak4619", .data = &ak4619_regmap_cfg },
829
+
{},
830
+
};
831
+
MODULE_DEVICE_TABLE(of, ak4619_of_match);
832
+
833
+
static const struct i2c_device_id ak4619_i2c_id[] = {
834
+
{ "ak4619", (kernel_ulong_t)&ak4619_regmap_cfg },
835
+
{ }
836
+
};
837
+
MODULE_DEVICE_TABLE(i2c, ak4619_i2c_id);
838
+
839
+
#define AK4619_RATES SNDRV_PCM_RATE_8000_192000
840
+
841
+
#define AK4619_DAC_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
842
+
SNDRV_PCM_FMTBIT_S20_LE |\
843
+
SNDRV_PCM_FMTBIT_S24_LE |\
844
+
SNDRV_PCM_FMTBIT_S32_LE)
845
+
846
+
#define AK4619_ADC_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
847
+
SNDRV_PCM_FMTBIT_S20_LE |\
848
+
SNDRV_PCM_FMTBIT_S24_LE)
849
+
850
+
static struct snd_soc_dai_driver ak4619_dai = {
851
+
.name = "ak4619-hifi",
852
+
.playback = {
853
+
.stream_name = "Playback",
854
+
.channels_min = 1,
855
+
.channels_max = 2,
856
+
.rates = AK4619_RATES,
857
+
.formats = AK4619_DAC_FORMATS,
858
+
},
859
+
.capture = {
860
+
.stream_name = "Capture",
861
+
.channels_min = 1,
862
+
.channels_max = 2,
863
+
.rates = AK4619_RATES,
864
+
.formats = AK4619_ADC_FORMATS,
865
+
},
866
+
.ops = &ak4619_dai_ops,
867
+
.symmetric_rate = 1,
868
+
};
869
+
870
+
static int ak4619_i2c_probe(struct i2c_client *i2c)
871
+
{
872
+
struct device *dev = &i2c->dev;
873
+
struct ak4619_priv *ak4619;
874
+
int ret;
875
+
876
+
ak4619 = devm_kzalloc(dev, sizeof(*ak4619), GFP_KERNEL);
877
+
if (!ak4619)
878
+
return -ENOMEM;
879
+
880
+
i2c_set_clientdata(i2c, ak4619);
881
+
882
+
ak4619->regmap = devm_regmap_init_i2c(i2c, &ak4619_regmap_cfg);
883
+
if (IS_ERR(ak4619->regmap)) {
884
+
ret = PTR_ERR(ak4619->regmap);
885
+
dev_err(dev, "regmap_init() failed: %d\n", ret);
886
+
return ret;
887
+
}
888
+
889
+
ret = devm_snd_soc_register_component(dev, &soc_component_dev_ak4619,
890
+
&ak4619_dai, 1);
891
+
if (ret < 0) {
892
+
dev_err(dev, "Failed to register ak4619 component: %d\n",
893
+
ret);
894
+
return ret;
895
+
}
896
+
897
+
return 0;
898
+
}
899
+
900
+
static struct i2c_driver ak4619_i2c_driver = {
901
+
.driver = {
902
+
.name = "ak4619-codec",
903
+
.of_match_table = ak4619_of_match,
904
+
},
905
+
.probe = ak4619_i2c_probe,
906
+
.id_table = ak4619_i2c_id,
907
+
};
908
+
module_i2c_driver(ak4619_i2c_driver);
909
+
910
+
MODULE_DESCRIPTION("SoC AK4619 driver");
911
+
MODULE_AUTHOR("Khanh Le <khanh.le.xr@renesas.com>");
912
+
MODULE_LICENSE("GPL v2");