projects / linux-2.6-block.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
[linux-2.6-block.git] / sound / soc / codecs / ak4641.c
CommitLineData
00d27010
DA		 1/*
2 * ak4641.c -- AK4641 ALSA Soc Audio driver
3 *
4 * Copyright (C) 2008 Harald Welte <laforge@gnufiish.org>
5 * Copyright (C) 2011 Dmitry Artamonow <mad_soft@inbox.ru>
6 *
7 * Based on ak4535.c by Richard Purdie
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13
14#include <linux/module.h>
15#include <linux/init.h>
16#include <linux/delay.h>
17#include <linux/gpio.h>
18#include <linux/pm.h>
19#include <linux/i2c.h>
4f534777 20#include <linux/regmap.h>
00d27010
DA		 21#include <linux/slab.h>
22#include <sound/core.h>
23#include <sound/pcm.h>
24#include <sound/pcm_params.h>
25#include <sound/soc.h>
26#include <sound/initval.h>
27#include <sound/tlv.h>
28#include <sound/ak4641.h>
29
5841ce10
LPC		 30/* AK4641 register space */
31#define AK4641_PM1 0x00
32#define AK4641_PM2 0x01
33#define AK4641_SIG1 0x02
34#define AK4641_SIG2 0x03
35#define AK4641_MODE1 0x04
36#define AK4641_MODE2 0x05
37#define AK4641_DAC 0x06
38#define AK4641_MIC 0x07
39#define AK4641_TIMER 0x08
40#define AK4641_ALC1 0x09
41#define AK4641_ALC2 0x0a
42#define AK4641_PGA 0x0b
43#define AK4641_LATT 0x0c
44#define AK4641_RATT 0x0d
45#define AK4641_VOL 0x0e
46#define AK4641_STATUS 0x0f
47#define AK4641_EQLO 0x10
48#define AK4641_EQMID 0x11
49#define AK4641_EQHI 0x12
50#define AK4641_BTIF 0x13
00d27010
DA		 51
52/* codec private data */
53struct ak4641_priv {
4f534777 54 struct regmap *regmap;
00d27010
DA		 55 unsigned int sysclk;
56 int deemph;
57 int playback_fs;
58};
59
60/*
61 * ak4641 register cache
62 */
4f534777
MB		 63static const struct reg_default ak4641_reg_defaults[] = {
64 { 0, 0x00 }, { 1, 0x80 }, { 2, 0x00 }, { 3, 0x80 },
65 { 4, 0x02 }, { 5, 0x00 }, { 6, 0x11 }, { 7, 0x05 },
66 { 8, 0x00 }, { 9, 0x00 }, { 10, 0x36 }, { 11, 0x10 },
67 { 12, 0x00 }, { 13, 0x00 }, { 14, 0x57 }, { 15, 0x00 },
68 { 16, 0x88 }, { 17, 0x88 }, { 18, 0x08 }, { 19, 0x08 }
00d27010
DA		 69};
70
71static const int deemph_settings[] = {44100, 0, 48000, 32000};
72
2b5c3e43 73static int ak4641_set_deemph(struct snd_soc_component *component)
00d27010 74{
2b5c3e43 75 struct ak4641_priv *ak4641 = snd_soc_component_get_drvdata(component);
00d27010
DA		 76 int i, best = 0;
77
78 for (i = 0 ; i < ARRAY_SIZE(deemph_settings); i++) {
79 /* if deemphasis is on, select the nearest available rate */
80 if (ak4641->deemph && deemph_settings[i] != 0 &&
81 abs(deemph_settings[i] - ak4641->playback_fs) <
82 abs(deemph_settings[best] - ak4641->playback_fs))
83 best = i;
84
85 if (!ak4641->deemph && deemph_settings[i] == 0)
86 best = i;
87 }
88
2b5c3e43 89 dev_dbg(component->dev, "Set deemphasis %d\n", best);
00d27010 90
2b5c3e43 91 return snd_soc_component_update_bits(component, AK4641_DAC, 0x3, best);
00d27010
DA		 92}
93
94static int ak4641_put_deemph(struct snd_kcontrol *kcontrol,
95 struct snd_ctl_elem_value *ucontrol)
96{
2b5c3e43
KM		 97 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
98 struct ak4641_priv *ak4641 = snd_soc_component_get_drvdata(component);
08641d9b 99 int deemph = ucontrol->value.integer.value[0];
00d27010
DA		 100
101 if (deemph > 1)
102 return -EINVAL;
103
104 ak4641->deemph = deemph;
105
2b5c3e43 106 return ak4641_set_deemph(component);
00d27010
DA		 107}
108
109static int ak4641_get_deemph(struct snd_kcontrol *kcontrol,
110 struct snd_ctl_elem_value *ucontrol)
111{
2b5c3e43
KM		 112 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
113 struct ak4641_priv *ak4641 = snd_soc_component_get_drvdata(component);
00d27010 114
08641d9b 115 ucontrol->value.integer.value[0] = ak4641->deemph;
00d27010
DA		 116 return 0;
117};
118
119static const char *ak4641_mono_out[] = {"(L + R)/2", "Hi-Z"};
120static const char *ak4641_hp_out[] = {"Stereo", "Mono"};
121static const char *ak4641_mic_select[] = {"Internal", "External"};
122static const char *ak4641_mic_or_dac[] = {"Microphone", "Voice DAC"};
123
124
125static const DECLARE_TLV_DB_SCALE(mono_gain_tlv, -1700, 2300, 0);
126static const DECLARE_TLV_DB_SCALE(mic_boost_tlv, 0, 2000, 0);
127static const DECLARE_TLV_DB_SCALE(eq_tlv, -1050, 150, 0);
128static const DECLARE_TLV_DB_SCALE(master_tlv, -12750, 50, 0);
129static const DECLARE_TLV_DB_SCALE(mic_stereo_sidetone_tlv, -2700, 300, 0);
130static const DECLARE_TLV_DB_SCALE(mic_mono_sidetone_tlv, -400, 400, 0);
131static const DECLARE_TLV_DB_SCALE(capture_tlv, -800, 50, 0);
132static const DECLARE_TLV_DB_SCALE(alc_tlv, -800, 50, 0);
133static const DECLARE_TLV_DB_SCALE(aux_in_tlv, -2100, 300, 0);
134
135
cbf62422
TI		 136static SOC_ENUM_SINGLE_DECL(ak4641_mono_out_enum,
137 AK4641_SIG1, 6, ak4641_mono_out);
138static SOC_ENUM_SINGLE_DECL(ak4641_hp_out_enum,
139 AK4641_MODE2, 2, ak4641_hp_out);
140static SOC_ENUM_SINGLE_DECL(ak4641_mic_select_enum,
141 AK4641_MIC, 1, ak4641_mic_select);
142static SOC_ENUM_SINGLE_DECL(ak4641_mic_or_dac_enum,
143 AK4641_BTIF, 4, ak4641_mic_or_dac);
00d27010
DA		 144
145static const struct snd_kcontrol_new ak4641_snd_controls[] = {
146 SOC_ENUM("Mono 1 Output", ak4641_mono_out_enum),
147 SOC_SINGLE_TLV("Mono 1 Gain Volume", AK4641_SIG1, 7, 1, 1,
148 mono_gain_tlv),
149 SOC_ENUM("Headphone Output", ak4641_hp_out_enum),
150 SOC_SINGLE_BOOL_EXT("Playback Deemphasis Switch", 0,
151 ak4641_get_deemph, ak4641_put_deemph),
152
153 SOC_SINGLE_TLV("Mic Boost Volume", AK4641_MIC, 0, 1, 0, mic_boost_tlv),
154
155 SOC_SINGLE("ALC Operation Time", AK4641_TIMER, 0, 3, 0),
156 SOC_SINGLE("ALC Recovery Time", AK4641_TIMER, 2, 3, 0),
157 SOC_SINGLE("ALC ZC Time", AK4641_TIMER, 4, 3, 0),
158
159 SOC_SINGLE("ALC 1 Switch", AK4641_ALC1, 5, 1, 0),
160
161 SOC_SINGLE_TLV("ALC Volume", AK4641_ALC2, 0, 71, 0, alc_tlv),
162 SOC_SINGLE("Left Out Enable Switch", AK4641_SIG2, 1, 1, 0),
163 SOC_SINGLE("Right Out Enable Switch", AK4641_SIG2, 0, 1, 0),
164
165 SOC_SINGLE_TLV("Capture Volume", AK4641_PGA, 0, 71, 0, capture_tlv),
166
167 SOC_DOUBLE_R_TLV("Master Playback Volume", AK4641_LATT,
168 AK4641_RATT, 0, 255, 1, master_tlv),
169
170 SOC_SINGLE_TLV("AUX In Volume", AK4641_VOL, 0, 15, 0, aux_in_tlv),
171
172 SOC_SINGLE("Equalizer Switch", AK4641_DAC, 2, 1, 0),
173 SOC_SINGLE_TLV("EQ1 100 Hz Volume", AK4641_EQLO, 0, 15, 1, eq_tlv),
174 SOC_SINGLE_TLV("EQ2 250 Hz Volume", AK4641_EQLO, 4, 15, 1, eq_tlv),
175 SOC_SINGLE_TLV("EQ3 1 kHz Volume", AK4641_EQMID, 0, 15, 1, eq_tlv),
176 SOC_SINGLE_TLV("EQ4 3.5 kHz Volume", AK4641_EQMID, 4, 15, 1, eq_tlv),
177 SOC_SINGLE_TLV("EQ5 10 kHz Volume", AK4641_EQHI, 0, 15, 1, eq_tlv),
178};
179
180/* Mono 1 Mixer */
181static const struct snd_kcontrol_new ak4641_mono1_mixer_controls[] = {
182 SOC_DAPM_SINGLE_TLV("Mic Mono Sidetone Volume", AK4641_VOL, 7, 1, 0,
183 mic_mono_sidetone_tlv),
184 SOC_DAPM_SINGLE("Mic Mono Sidetone Switch", AK4641_SIG1, 4, 1, 0),
185 SOC_DAPM_SINGLE("Mono Playback Switch", AK4641_SIG1, 5, 1, 0),
186};
187
188/* Stereo Mixer */
189static const struct snd_kcontrol_new ak4641_stereo_mixer_controls[] = {
190 SOC_DAPM_SINGLE_TLV("Mic Sidetone Volume", AK4641_VOL, 4, 7, 0,
191 mic_stereo_sidetone_tlv),
192 SOC_DAPM_SINGLE("Mic Sidetone Switch", AK4641_SIG2, 4, 1, 0),
193 SOC_DAPM_SINGLE("Playback Switch", AK4641_SIG2, 7, 1, 0),
194 SOC_DAPM_SINGLE("Aux Bypass Switch", AK4641_SIG2, 5, 1, 0),
195};
196
197/* Input Mixer */
198static const struct snd_kcontrol_new ak4641_input_mixer_controls[] = {
199 SOC_DAPM_SINGLE("Mic Capture Switch", AK4641_MIC, 2, 1, 0),
200 SOC_DAPM_SINGLE("Aux Capture Switch", AK4641_MIC, 5, 1, 0),
201};
202
203/* Mic mux */
204static const struct snd_kcontrol_new ak4641_mic_mux_control =
205 SOC_DAPM_ENUM("Mic Select", ak4641_mic_select_enum);
206
207/* Input mux */
208static const struct snd_kcontrol_new ak4641_input_mux_control =
209 SOC_DAPM_ENUM("Input Select", ak4641_mic_or_dac_enum);
210
211/* mono 2 switch */
212static const struct snd_kcontrol_new ak4641_mono2_control =
213 SOC_DAPM_SINGLE("Switch", AK4641_SIG1, 0, 1, 0);
214
215/* ak4641 dapm widgets */
216static const struct snd_soc_dapm_widget ak4641_dapm_widgets[] = {
217 SND_SOC_DAPM_MIXER("Stereo Mixer", SND_SOC_NOPM, 0, 0,
218 &ak4641_stereo_mixer_controls[0],
219 ARRAY_SIZE(ak4641_stereo_mixer_controls)),
220 SND_SOC_DAPM_MIXER("Mono1 Mixer", SND_SOC_NOPM, 0, 0,
221 &ak4641_mono1_mixer_controls[0],
222 ARRAY_SIZE(ak4641_mono1_mixer_controls)),
223 SND_SOC_DAPM_MIXER("Input Mixer", SND_SOC_NOPM, 0, 0,
224 &ak4641_input_mixer_controls[0],
225 ARRAY_SIZE(ak4641_input_mixer_controls)),
226 SND_SOC_DAPM_MUX("Mic Mux", SND_SOC_NOPM, 0, 0,
227 &ak4641_mic_mux_control),
228 SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0,
229 &ak4641_input_mux_control),
230 SND_SOC_DAPM_SWITCH("Mono 2 Enable", SND_SOC_NOPM, 0, 0,
231 &ak4641_mono2_control),
232
233 SND_SOC_DAPM_OUTPUT("LOUT"),
234 SND_SOC_DAPM_OUTPUT("ROUT"),
235 SND_SOC_DAPM_OUTPUT("MOUT1"),
236 SND_SOC_DAPM_OUTPUT("MOUT2"),
237 SND_SOC_DAPM_OUTPUT("MICOUT"),
238
239 SND_SOC_DAPM_ADC("ADC", "HiFi Capture", AK4641_PM1, 0, 0),
240 SND_SOC_DAPM_PGA("Mic", AK4641_PM1, 1, 0, NULL, 0),
241 SND_SOC_DAPM_PGA("AUX In", AK4641_PM1, 2, 0, NULL, 0),
242 SND_SOC_DAPM_PGA("Mono Out", AK4641_PM1, 3, 0, NULL, 0),
243 SND_SOC_DAPM_PGA("Line Out", AK4641_PM1, 4, 0, NULL, 0),
244
245 SND_SOC_DAPM_DAC("DAC", "HiFi Playback", AK4641_PM2, 0, 0),
246 SND_SOC_DAPM_PGA("Mono Out 2", AK4641_PM2, 3, 0, NULL, 0),
247
248 SND_SOC_DAPM_ADC("Voice ADC", "Voice Capture", AK4641_BTIF, 0, 0),
24441e17 249 SND_SOC_DAPM_DAC("Voice DAC", "Voice Playback", AK4641_BTIF, 1, 0),
00d27010
DA		 250
251 SND_SOC_DAPM_MICBIAS("Mic Int Bias", AK4641_MIC, 3, 0),
252 SND_SOC_DAPM_MICBIAS("Mic Ext Bias", AK4641_MIC, 4, 0),
253
254 SND_SOC_DAPM_INPUT("MICIN"),
255 SND_SOC_DAPM_INPUT("MICEXT"),
256 SND_SOC_DAPM_INPUT("AUX"),
257 SND_SOC_DAPM_INPUT("AIN"),
258};
259
260static const struct snd_soc_dapm_route ak4641_audio_map[] = {
261 /* Stereo Mixer */
262 {"Stereo Mixer", "Playback Switch", "DAC"},
263 {"Stereo Mixer", "Mic Sidetone Switch", "Input Mux"},
264 {"Stereo Mixer", "Aux Bypass Switch", "AUX In"},
265
266 /* Mono 1 Mixer */
267 {"Mono1 Mixer", "Mic Mono Sidetone Switch", "Input Mux"},
268 {"Mono1 Mixer", "Mono Playback Switch", "DAC"},
269
270 /* Mic */
271 {"Mic", NULL, "AIN"},
272 {"Mic Mux", "Internal", "Mic Int Bias"},
273 {"Mic Mux", "External", "Mic Ext Bias"},
274 {"Mic Int Bias", NULL, "MICIN"},
275 {"Mic Ext Bias", NULL, "MICEXT"},
276 {"MICOUT", NULL, "Mic Mux"},
277
278 /* Input Mux */
279 {"Input Mux", "Microphone", "Mic"},
280 {"Input Mux", "Voice DAC", "Voice DAC"},
281
282 /* Line Out */
283 {"LOUT", NULL, "Line Out"},
284 {"ROUT", NULL, "Line Out"},
285 {"Line Out", NULL, "Stereo Mixer"},
286
287 /* Mono 1 Out */
288 {"MOUT1", NULL, "Mono Out"},
289 {"Mono Out", NULL, "Mono1 Mixer"},
290
291 /* Mono 2 Out */
292 {"MOUT2", NULL, "Mono 2 Enable"},
293 {"Mono 2 Enable", "Switch", "Mono Out 2"},
294 {"Mono Out 2", NULL, "Stereo Mixer"},
295
296 {"Voice ADC", NULL, "Mono 2 Enable"},
297
298 /* Aux In */
299 {"AUX In", NULL, "AUX"},
300
301 /* ADC */
302 {"ADC", NULL, "Input Mixer"},
303 {"Input Mixer", "Mic Capture Switch", "Mic"},
304 {"Input Mixer", "Aux Capture Switch", "AUX In"},
305};
306
307static int ak4641_set_dai_sysclk(struct snd_soc_dai *codec_dai,
308 int clk_id, unsigned int freq, int dir)
309{
2b5c3e43
KM		 310 struct snd_soc_component *component = codec_dai->component;
311 struct ak4641_priv *ak4641 = snd_soc_component_get_drvdata(component);
00d27010
DA		 312
313 ak4641->sysclk = freq;
314 return 0;
315}
316
317static int ak4641_i2s_hw_params(struct snd_pcm_substream *substream,
318 struct snd_pcm_hw_params *params,
319 struct snd_soc_dai *dai)
320{
2b5c3e43
KM		 321 struct snd_soc_component *component = dai->component;
322 struct ak4641_priv *ak4641 = snd_soc_component_get_drvdata(component);
00d27010
DA		 323 int rate = params_rate(params), fs = 256;
324 u8 mode2;
325
326 if (rate)
327 fs = ak4641->sysclk / rate;
328 else
329 return -EINVAL;
330
331 /* set fs */
332 switch (fs) {
333 case 1024:
334 mode2 = (0x2 << 5);
335 break;
336 case 512:
337 mode2 = (0x1 << 5);
338 break;
339 case 256:
340 mode2 = (0x0 << 5);
341 break;
342 default:
2b5c3e43 343 dev_err(component->dev, "Error: unsupported fs=%d\n", fs);
00d27010
DA		 344 return -EINVAL;
345 }
346
2b5c3e43 347 snd_soc_component_update_bits(component, AK4641_MODE2, (0x3 << 5), mode2);
00d27010
DA		 348
349 /* Update de-emphasis filter for the new rate */
350 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
351 ak4641->playback_fs = rate;
2b5c3e43 352 ak4641_set_deemph(component);
1d198f26 353 }
00d27010
DA		 354
355 return 0;
356}
357
358static int ak4641_pcm_set_dai_fmt(struct snd_soc_dai *codec_dai,
359 unsigned int fmt)
360{
2b5c3e43 361 struct snd_soc_component *component = codec_dai->component;
00d27010 362 u8 btif;
16aff769 363 int ret;
00d27010
DA		 364
365 /* interface format */
366 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
367 case SND_SOC_DAIFMT_I2S:
368 btif = (0x3 << 5);
369 break;
370 case SND_SOC_DAIFMT_LEFT_J:
371 btif = (0x2 << 5);
372 break;
373 case SND_SOC_DAIFMT_DSP_A: /* MSB after FRM */
374 btif = (0x0 << 5);
375 break;
376 case SND_SOC_DAIFMT_DSP_B: /* MSB during FRM */
377 btif = (0x1 << 5);
378 break;
379 default:
380 return -EINVAL;
381 }
382
2b5c3e43 383 ret = snd_soc_component_update_bits(component, AK4641_BTIF, (0x3 << 5), btif);
16aff769
AL		 384 if (ret < 0)
385 return ret;
386
387 return 0;
00d27010
DA		 388}
389
390static int ak4641_i2s_set_dai_fmt(struct snd_soc_dai *codec_dai,
391 unsigned int fmt)
392{
2b5c3e43 393 struct snd_soc_component *component = codec_dai->component;
00d27010
DA		 394 u8 mode1 = 0;
395
396 /* interface format */
397 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
398 case SND_SOC_DAIFMT_I2S:
399 mode1 = 0x02;
400 break;
401 case SND_SOC_DAIFMT_LEFT_J:
402 mode1 = 0x01;
403 break;
404 default:
405 return -EINVAL;
406 }
407
2b5c3e43 408 return snd_soc_component_write(component, AK4641_MODE1, mode1);
00d27010
DA		 409}
410
411static int ak4641_mute(struct snd_soc_dai *dai, int mute)
412{
2b5c3e43 413 struct snd_soc_component *component = dai->component;
00d27010 414
2b5c3e43 415 return snd_soc_component_update_bits(component, AK4641_DAC, 0x20, mute ? 0x20 : 0);
00d27010
DA		 416}
417
2b5c3e43 418static int ak4641_set_bias_level(struct snd_soc_component *component,
00d27010
DA		 419 enum snd_soc_bias_level level)
420{
2b5c3e43
KM		 421 struct ak4641_priv *ak4641 = snd_soc_component_get_drvdata(component);
422 struct ak4641_platform_data *pdata = component->dev->platform_data;
00d27010
DA		 423 int ret;
424
425 switch (level) {
426 case SND_SOC_BIAS_ON:
427 /* unmute */
2b5c3e43 428 snd_soc_component_update_bits(component, AK4641_DAC, 0x20, 0);
00d27010
DA		 429 break;
430 case SND_SOC_BIAS_PREPARE:
431 /* mute */
2b5c3e43 432 snd_soc_component_update_bits(component, AK4641_DAC, 0x20, 0x20);
00d27010
DA		 433 break;
434 case SND_SOC_BIAS_STANDBY:
2b5c3e43 435 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
00d27010
DA		 436 if (pdata && gpio_is_valid(pdata->gpio_power))
437 gpio_set_value(pdata->gpio_power, 1);
438 mdelay(1);
439 if (pdata && gpio_is_valid(pdata->gpio_npdn))
440 gpio_set_value(pdata->gpio_npdn, 1);
441 mdelay(1);
442
4f534777 443 ret = regcache_sync(ak4641->regmap);
00d27010 444 if (ret) {
2b5c3e43 445 dev_err(component->dev,
00d27010
DA		 446 "Failed to sync cache: %d\n", ret);
447 return ret;
448 }
449 }
2b5c3e43
KM		 450 snd_soc_component_update_bits(component, AK4641_PM1, 0x80, 0x80);
451 snd_soc_component_update_bits(component, AK4641_PM2, 0x80, 0);
00d27010
DA		 452 break;
453 case SND_SOC_BIAS_OFF:
2b5c3e43 454 snd_soc_component_update_bits(component, AK4641_PM1, 0x80, 0);
00d27010
DA		 455 if (pdata && gpio_is_valid(pdata->gpio_npdn))
456 gpio_set_value(pdata->gpio_npdn, 0);
457 if (pdata && gpio_is_valid(pdata->gpio_power))
458 gpio_set_value(pdata->gpio_power, 0);
4f534777 459 regcache_mark_dirty(ak4641->regmap);
00d27010
DA		 460 break;
461 }
00d27010
DA		 462 return 0;
463}
464
465#define AK4641_RATES (SNDRV_PCM_RATE_8000_48000)
466#define AK4641_RATES_BT (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
467 SNDRV_PCM_RATE_16000)
468#define AK4641_FORMATS (SNDRV_PCM_FMTBIT_S16_LE)
469
85e7652d 470static const struct snd_soc_dai_ops ak4641_i2s_dai_ops = {
00d27010
DA		 471 .hw_params = ak4641_i2s_hw_params,
472 .set_fmt = ak4641_i2s_set_dai_fmt,
473 .digital_mute = ak4641_mute,
474 .set_sysclk = ak4641_set_dai_sysclk,
475};
476
85e7652d 477static const struct snd_soc_dai_ops ak4641_pcm_dai_ops = {
00d27010
DA		 478 .hw_params = NULL, /* rates are controlled by BT chip */
479 .set_fmt = ak4641_pcm_set_dai_fmt,
480 .digital_mute = ak4641_mute,
481 .set_sysclk = ak4641_set_dai_sysclk,
482};
483
37aa716a 484static struct snd_soc_dai_driver ak4641_dai[] = {
00d27010
DA		 485{
486 .name = "ak4641-hifi",
487 .id = 1,
488 .playback = {
489 .stream_name = "HiFi Playback",
490 .channels_min = 1,
491 .channels_max = 2,
492 .rates = AK4641_RATES,
493 .formats = AK4641_FORMATS,
494 },
495 .capture = {
496 .stream_name = "HiFi Capture",
497 .channels_min = 1,
498 .channels_max = 2,
499 .rates = AK4641_RATES,
500 .formats = AK4641_FORMATS,
501 },
502 .ops = &ak4641_i2s_dai_ops,
503 .symmetric_rates = 1,
504},
505{
506 .name = "ak4641-voice",
507 .id = 1,
508 .playback = {
509 .stream_name = "Voice Playback",
510 .channels_min = 1,
511 .channels_max = 1,
512 .rates = AK4641_RATES_BT,
513 .formats = AK4641_FORMATS,
514 },
515 .capture = {
516 .stream_name = "Voice Capture",
517 .channels_min = 1,
518 .channels_max = 1,
519 .rates = AK4641_RATES_BT,
520 .formats = AK4641_FORMATS,
521 },
522 .ops = &ak4641_pcm_dai_ops,
523 .symmetric_rates = 1,
524},
525};
526
2b5c3e43
KM		 527static const struct snd_soc_component_driver soc_component_dev_ak4641 = {
528 .controls = ak4641_snd_controls,
529 .num_controls = ARRAY_SIZE(ak4641_snd_controls),
530 .dapm_widgets = ak4641_dapm_widgets,
531 .num_dapm_widgets = ARRAY_SIZE(ak4641_dapm_widgets),
532 .dapm_routes = ak4641_audio_map,
533 .num_dapm_routes = ARRAY_SIZE(ak4641_audio_map),
00d27010 534 .set_bias_level = ak4641_set_bias_level,
2b5c3e43
KM		 535 .suspend_bias_off = 1,
536 .idle_bias_on = 1,
537 .use_pmdown_time = 1,
538 .endianness = 1,
539 .non_legacy_dai_naming = 1,
00d27010
DA		 540};
541
4f534777
MB		 542static const struct regmap_config ak4641_regmap = {
543 .reg_bits = 8,
544 .val_bits = 8,
545
546 .max_register = AK4641_BTIF,
547 .reg_defaults = ak4641_reg_defaults,
548 .num_reg_defaults = ARRAY_SIZE(ak4641_reg_defaults),
549 .cache_type = REGCACHE_RBTREE,
550};
00d27010 551
7a79e94e
BP		 552static int ak4641_i2c_probe(struct i2c_client *i2c,
553 const struct i2c_device_id *id)
00d27010 554{
253322c1 555 struct ak4641_platform_data *pdata = i2c->dev.platform_data;
00d27010
DA		 556 struct ak4641_priv *ak4641;
557 int ret;
558
4273fcfd
AL		 559 ak4641 = devm_kzalloc(&i2c->dev, sizeof(struct ak4641_priv),
560 GFP_KERNEL);
00d27010
DA		 561 if (!ak4641)
562 return -ENOMEM;
563
4f534777
MB		 564 ak4641->regmap = devm_regmap_init_i2c(i2c, &ak4641_regmap);
565 if (IS_ERR(ak4641->regmap))
566 return PTR_ERR(ak4641->regmap);
567
253322c1
MB		 568 if (pdata) {
569 if (gpio_is_valid(pdata->gpio_power)) {
570 ret = gpio_request_one(pdata->gpio_power,
571 GPIOF_OUT_INIT_LOW, "ak4641 power");
572 if (ret)
573 goto err_out;
574 }
575 if (gpio_is_valid(pdata->gpio_npdn)) {
576 ret = gpio_request_one(pdata->gpio_npdn,
577 GPIOF_OUT_INIT_LOW, "ak4641 npdn");
578 if (ret)
579 goto err_gpio;
580
581 udelay(1); /* > 150 ns */
582 gpio_set_value(pdata->gpio_npdn, 1);
583 }
584 }
585
00d27010
DA		 586 i2c_set_clientdata(i2c, ak4641);
587
2b5c3e43
KM		 588 ret = devm_snd_soc_register_component(&i2c->dev,
589 &soc_component_dev_ak4641,
00d27010 590 ak4641_dai, ARRAY_SIZE(ak4641_dai));
253322c1
MB		 591 if (ret != 0)
592 goto err_gpio2;
593
594 return 0;
595
596err_gpio2:
597 if (pdata) {
598 if (gpio_is_valid(pdata->gpio_power))
599 gpio_set_value(pdata->gpio_power, 0);
600 if (gpio_is_valid(pdata->gpio_npdn))
601 gpio_free(pdata->gpio_npdn);
602 }
603err_gpio:
604 if (pdata && gpio_is_valid(pdata->gpio_power))
605 gpio_free(pdata->gpio_power);
606err_out:
00d27010
DA		 607 return ret;
608}
609
7a79e94e 610static int ak4641_i2c_remove(struct i2c_client *i2c)
00d27010 611{
253322c1
MB		 612 struct ak4641_platform_data *pdata = i2c->dev.platform_data;
613
253322c1
MB		 614 if (pdata) {
615 if (gpio_is_valid(pdata->gpio_power)) {
616 gpio_set_value(pdata->gpio_power, 0);
617 gpio_free(pdata->gpio_power);
618 }
619 if (gpio_is_valid(pdata->gpio_npdn))
620 gpio_free(pdata->gpio_npdn);
621 }
622
00d27010
DA		 623 return 0;
624}
625
626static const struct i2c_device_id ak4641_i2c_id[] = {
627 { "ak4641", 0 },
628 { }
629};
630MODULE_DEVICE_TABLE(i2c, ak4641_i2c_id);
631
632static struct i2c_driver ak4641_i2c_driver = {
633 .driver = {
634 .name = "ak4641",
00d27010
DA		 635 },
636 .probe = ak4641_i2c_probe,
7a79e94e 637 .remove = ak4641_i2c_remove,
00d27010
DA		 638 .id_table = ak4641_i2c_id,
639};
640
a0abacd8 641module_i2c_driver(ak4641_i2c_driver);
00d27010
DA		 642
643MODULE_DESCRIPTION("SoC AK4641 driver");
644MODULE_AUTHOR("Harald Welte <laforge@gnufiish.org>");
645MODULE_LICENSE("GPL");
Linux 6.x block layer and io_uring tree(s)