Commit | Line | Data |
---|---|---|
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 | ||
30 | #include "ak4641.h" | |
31 | ||
32 | /* codec private data */ | |
33 | struct ak4641_priv { | |
4f534777 | 34 | struct regmap *regmap; |
00d27010 DA |
35 | unsigned int sysclk; |
36 | int deemph; | |
37 | int playback_fs; | |
38 | }; | |
39 | ||
40 | /* | |
41 | * ak4641 register cache | |
42 | */ | |
4f534777 MB |
43 | static const struct reg_default ak4641_reg_defaults[] = { |
44 | { 0, 0x00 }, { 1, 0x80 }, { 2, 0x00 }, { 3, 0x80 }, | |
45 | { 4, 0x02 }, { 5, 0x00 }, { 6, 0x11 }, { 7, 0x05 }, | |
46 | { 8, 0x00 }, { 9, 0x00 }, { 10, 0x36 }, { 11, 0x10 }, | |
47 | { 12, 0x00 }, { 13, 0x00 }, { 14, 0x57 }, { 15, 0x00 }, | |
48 | { 16, 0x88 }, { 17, 0x88 }, { 18, 0x08 }, { 19, 0x08 } | |
00d27010 DA |
49 | }; |
50 | ||
51 | static const int deemph_settings[] = {44100, 0, 48000, 32000}; | |
52 | ||
53 | static int ak4641_set_deemph(struct snd_soc_codec *codec) | |
54 | { | |
55 | struct ak4641_priv *ak4641 = snd_soc_codec_get_drvdata(codec); | |
56 | int i, best = 0; | |
57 | ||
58 | for (i = 0 ; i < ARRAY_SIZE(deemph_settings); i++) { | |
59 | /* if deemphasis is on, select the nearest available rate */ | |
60 | if (ak4641->deemph && deemph_settings[i] != 0 && | |
61 | abs(deemph_settings[i] - ak4641->playback_fs) < | |
62 | abs(deemph_settings[best] - ak4641->playback_fs)) | |
63 | best = i; | |
64 | ||
65 | if (!ak4641->deemph && deemph_settings[i] == 0) | |
66 | best = i; | |
67 | } | |
68 | ||
69 | dev_dbg(codec->dev, "Set deemphasis %d\n", best); | |
70 | ||
71 | return snd_soc_update_bits(codec, AK4641_DAC, 0x3, best); | |
72 | } | |
73 | ||
74 | static int ak4641_put_deemph(struct snd_kcontrol *kcontrol, | |
75 | struct snd_ctl_elem_value *ucontrol) | |
76 | { | |
ea53bf77 | 77 | struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); |
00d27010 | 78 | struct ak4641_priv *ak4641 = snd_soc_codec_get_drvdata(codec); |
08641d9b | 79 | int deemph = ucontrol->value.integer.value[0]; |
00d27010 DA |
80 | |
81 | if (deemph > 1) | |
82 | return -EINVAL; | |
83 | ||
84 | ak4641->deemph = deemph; | |
85 | ||
86 | return ak4641_set_deemph(codec); | |
87 | } | |
88 | ||
89 | static int ak4641_get_deemph(struct snd_kcontrol *kcontrol, | |
90 | struct snd_ctl_elem_value *ucontrol) | |
91 | { | |
ea53bf77 | 92 | struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); |
00d27010 DA |
93 | struct ak4641_priv *ak4641 = snd_soc_codec_get_drvdata(codec); |
94 | ||
08641d9b | 95 | ucontrol->value.integer.value[0] = ak4641->deemph; |
00d27010 DA |
96 | return 0; |
97 | }; | |
98 | ||
99 | static const char *ak4641_mono_out[] = {"(L + R)/2", "Hi-Z"}; | |
100 | static const char *ak4641_hp_out[] = {"Stereo", "Mono"}; | |
101 | static const char *ak4641_mic_select[] = {"Internal", "External"}; | |
102 | static const char *ak4641_mic_or_dac[] = {"Microphone", "Voice DAC"}; | |
103 | ||
104 | ||
105 | static const DECLARE_TLV_DB_SCALE(mono_gain_tlv, -1700, 2300, 0); | |
106 | static const DECLARE_TLV_DB_SCALE(mic_boost_tlv, 0, 2000, 0); | |
107 | static const DECLARE_TLV_DB_SCALE(eq_tlv, -1050, 150, 0); | |
108 | static const DECLARE_TLV_DB_SCALE(master_tlv, -12750, 50, 0); | |
109 | static const DECLARE_TLV_DB_SCALE(mic_stereo_sidetone_tlv, -2700, 300, 0); | |
110 | static const DECLARE_TLV_DB_SCALE(mic_mono_sidetone_tlv, -400, 400, 0); | |
111 | static const DECLARE_TLV_DB_SCALE(capture_tlv, -800, 50, 0); | |
112 | static const DECLARE_TLV_DB_SCALE(alc_tlv, -800, 50, 0); | |
113 | static const DECLARE_TLV_DB_SCALE(aux_in_tlv, -2100, 300, 0); | |
114 | ||
115 | ||
cbf62422 TI |
116 | static SOC_ENUM_SINGLE_DECL(ak4641_mono_out_enum, |
117 | AK4641_SIG1, 6, ak4641_mono_out); | |
118 | static SOC_ENUM_SINGLE_DECL(ak4641_hp_out_enum, | |
119 | AK4641_MODE2, 2, ak4641_hp_out); | |
120 | static SOC_ENUM_SINGLE_DECL(ak4641_mic_select_enum, | |
121 | AK4641_MIC, 1, ak4641_mic_select); | |
122 | static SOC_ENUM_SINGLE_DECL(ak4641_mic_or_dac_enum, | |
123 | AK4641_BTIF, 4, ak4641_mic_or_dac); | |
00d27010 DA |
124 | |
125 | static const struct snd_kcontrol_new ak4641_snd_controls[] = { | |
126 | SOC_ENUM("Mono 1 Output", ak4641_mono_out_enum), | |
127 | SOC_SINGLE_TLV("Mono 1 Gain Volume", AK4641_SIG1, 7, 1, 1, | |
128 | mono_gain_tlv), | |
129 | SOC_ENUM("Headphone Output", ak4641_hp_out_enum), | |
130 | SOC_SINGLE_BOOL_EXT("Playback Deemphasis Switch", 0, | |
131 | ak4641_get_deemph, ak4641_put_deemph), | |
132 | ||
133 | SOC_SINGLE_TLV("Mic Boost Volume", AK4641_MIC, 0, 1, 0, mic_boost_tlv), | |
134 | ||
135 | SOC_SINGLE("ALC Operation Time", AK4641_TIMER, 0, 3, 0), | |
136 | SOC_SINGLE("ALC Recovery Time", AK4641_TIMER, 2, 3, 0), | |
137 | SOC_SINGLE("ALC ZC Time", AK4641_TIMER, 4, 3, 0), | |
138 | ||
139 | SOC_SINGLE("ALC 1 Switch", AK4641_ALC1, 5, 1, 0), | |
140 | ||
141 | SOC_SINGLE_TLV("ALC Volume", AK4641_ALC2, 0, 71, 0, alc_tlv), | |
142 | SOC_SINGLE("Left Out Enable Switch", AK4641_SIG2, 1, 1, 0), | |
143 | SOC_SINGLE("Right Out Enable Switch", AK4641_SIG2, 0, 1, 0), | |
144 | ||
145 | SOC_SINGLE_TLV("Capture Volume", AK4641_PGA, 0, 71, 0, capture_tlv), | |
146 | ||
147 | SOC_DOUBLE_R_TLV("Master Playback Volume", AK4641_LATT, | |
148 | AK4641_RATT, 0, 255, 1, master_tlv), | |
149 | ||
150 | SOC_SINGLE_TLV("AUX In Volume", AK4641_VOL, 0, 15, 0, aux_in_tlv), | |
151 | ||
152 | SOC_SINGLE("Equalizer Switch", AK4641_DAC, 2, 1, 0), | |
153 | SOC_SINGLE_TLV("EQ1 100 Hz Volume", AK4641_EQLO, 0, 15, 1, eq_tlv), | |
154 | SOC_SINGLE_TLV("EQ2 250 Hz Volume", AK4641_EQLO, 4, 15, 1, eq_tlv), | |
155 | SOC_SINGLE_TLV("EQ3 1 kHz Volume", AK4641_EQMID, 0, 15, 1, eq_tlv), | |
156 | SOC_SINGLE_TLV("EQ4 3.5 kHz Volume", AK4641_EQMID, 4, 15, 1, eq_tlv), | |
157 | SOC_SINGLE_TLV("EQ5 10 kHz Volume", AK4641_EQHI, 0, 15, 1, eq_tlv), | |
158 | }; | |
159 | ||
160 | /* Mono 1 Mixer */ | |
161 | static const struct snd_kcontrol_new ak4641_mono1_mixer_controls[] = { | |
162 | SOC_DAPM_SINGLE_TLV("Mic Mono Sidetone Volume", AK4641_VOL, 7, 1, 0, | |
163 | mic_mono_sidetone_tlv), | |
164 | SOC_DAPM_SINGLE("Mic Mono Sidetone Switch", AK4641_SIG1, 4, 1, 0), | |
165 | SOC_DAPM_SINGLE("Mono Playback Switch", AK4641_SIG1, 5, 1, 0), | |
166 | }; | |
167 | ||
168 | /* Stereo Mixer */ | |
169 | static const struct snd_kcontrol_new ak4641_stereo_mixer_controls[] = { | |
170 | SOC_DAPM_SINGLE_TLV("Mic Sidetone Volume", AK4641_VOL, 4, 7, 0, | |
171 | mic_stereo_sidetone_tlv), | |
172 | SOC_DAPM_SINGLE("Mic Sidetone Switch", AK4641_SIG2, 4, 1, 0), | |
173 | SOC_DAPM_SINGLE("Playback Switch", AK4641_SIG2, 7, 1, 0), | |
174 | SOC_DAPM_SINGLE("Aux Bypass Switch", AK4641_SIG2, 5, 1, 0), | |
175 | }; | |
176 | ||
177 | /* Input Mixer */ | |
178 | static const struct snd_kcontrol_new ak4641_input_mixer_controls[] = { | |
179 | SOC_DAPM_SINGLE("Mic Capture Switch", AK4641_MIC, 2, 1, 0), | |
180 | SOC_DAPM_SINGLE("Aux Capture Switch", AK4641_MIC, 5, 1, 0), | |
181 | }; | |
182 | ||
183 | /* Mic mux */ | |
184 | static const struct snd_kcontrol_new ak4641_mic_mux_control = | |
185 | SOC_DAPM_ENUM("Mic Select", ak4641_mic_select_enum); | |
186 | ||
187 | /* Input mux */ | |
188 | static const struct snd_kcontrol_new ak4641_input_mux_control = | |
189 | SOC_DAPM_ENUM("Input Select", ak4641_mic_or_dac_enum); | |
190 | ||
191 | /* mono 2 switch */ | |
192 | static const struct snd_kcontrol_new ak4641_mono2_control = | |
193 | SOC_DAPM_SINGLE("Switch", AK4641_SIG1, 0, 1, 0); | |
194 | ||
195 | /* ak4641 dapm widgets */ | |
196 | static const struct snd_soc_dapm_widget ak4641_dapm_widgets[] = { | |
197 | SND_SOC_DAPM_MIXER("Stereo Mixer", SND_SOC_NOPM, 0, 0, | |
198 | &ak4641_stereo_mixer_controls[0], | |
199 | ARRAY_SIZE(ak4641_stereo_mixer_controls)), | |
200 | SND_SOC_DAPM_MIXER("Mono1 Mixer", SND_SOC_NOPM, 0, 0, | |
201 | &ak4641_mono1_mixer_controls[0], | |
202 | ARRAY_SIZE(ak4641_mono1_mixer_controls)), | |
203 | SND_SOC_DAPM_MIXER("Input Mixer", SND_SOC_NOPM, 0, 0, | |
204 | &ak4641_input_mixer_controls[0], | |
205 | ARRAY_SIZE(ak4641_input_mixer_controls)), | |
206 | SND_SOC_DAPM_MUX("Mic Mux", SND_SOC_NOPM, 0, 0, | |
207 | &ak4641_mic_mux_control), | |
208 | SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, | |
209 | &ak4641_input_mux_control), | |
210 | SND_SOC_DAPM_SWITCH("Mono 2 Enable", SND_SOC_NOPM, 0, 0, | |
211 | &ak4641_mono2_control), | |
212 | ||
213 | SND_SOC_DAPM_OUTPUT("LOUT"), | |
214 | SND_SOC_DAPM_OUTPUT("ROUT"), | |
215 | SND_SOC_DAPM_OUTPUT("MOUT1"), | |
216 | SND_SOC_DAPM_OUTPUT("MOUT2"), | |
217 | SND_SOC_DAPM_OUTPUT("MICOUT"), | |
218 | ||
219 | SND_SOC_DAPM_ADC("ADC", "HiFi Capture", AK4641_PM1, 0, 0), | |
220 | SND_SOC_DAPM_PGA("Mic", AK4641_PM1, 1, 0, NULL, 0), | |
221 | SND_SOC_DAPM_PGA("AUX In", AK4641_PM1, 2, 0, NULL, 0), | |
222 | SND_SOC_DAPM_PGA("Mono Out", AK4641_PM1, 3, 0, NULL, 0), | |
223 | SND_SOC_DAPM_PGA("Line Out", AK4641_PM1, 4, 0, NULL, 0), | |
224 | ||
225 | SND_SOC_DAPM_DAC("DAC", "HiFi Playback", AK4641_PM2, 0, 0), | |
226 | SND_SOC_DAPM_PGA("Mono Out 2", AK4641_PM2, 3, 0, NULL, 0), | |
227 | ||
228 | SND_SOC_DAPM_ADC("Voice ADC", "Voice Capture", AK4641_BTIF, 0, 0), | |
24441e17 | 229 | SND_SOC_DAPM_DAC("Voice DAC", "Voice Playback", AK4641_BTIF, 1, 0), |
00d27010 DA |
230 | |
231 | SND_SOC_DAPM_MICBIAS("Mic Int Bias", AK4641_MIC, 3, 0), | |
232 | SND_SOC_DAPM_MICBIAS("Mic Ext Bias", AK4641_MIC, 4, 0), | |
233 | ||
234 | SND_SOC_DAPM_INPUT("MICIN"), | |
235 | SND_SOC_DAPM_INPUT("MICEXT"), | |
236 | SND_SOC_DAPM_INPUT("AUX"), | |
237 | SND_SOC_DAPM_INPUT("AIN"), | |
238 | }; | |
239 | ||
240 | static const struct snd_soc_dapm_route ak4641_audio_map[] = { | |
241 | /* Stereo Mixer */ | |
242 | {"Stereo Mixer", "Playback Switch", "DAC"}, | |
243 | {"Stereo Mixer", "Mic Sidetone Switch", "Input Mux"}, | |
244 | {"Stereo Mixer", "Aux Bypass Switch", "AUX In"}, | |
245 | ||
246 | /* Mono 1 Mixer */ | |
247 | {"Mono1 Mixer", "Mic Mono Sidetone Switch", "Input Mux"}, | |
248 | {"Mono1 Mixer", "Mono Playback Switch", "DAC"}, | |
249 | ||
250 | /* Mic */ | |
251 | {"Mic", NULL, "AIN"}, | |
252 | {"Mic Mux", "Internal", "Mic Int Bias"}, | |
253 | {"Mic Mux", "External", "Mic Ext Bias"}, | |
254 | {"Mic Int Bias", NULL, "MICIN"}, | |
255 | {"Mic Ext Bias", NULL, "MICEXT"}, | |
256 | {"MICOUT", NULL, "Mic Mux"}, | |
257 | ||
258 | /* Input Mux */ | |
259 | {"Input Mux", "Microphone", "Mic"}, | |
260 | {"Input Mux", "Voice DAC", "Voice DAC"}, | |
261 | ||
262 | /* Line Out */ | |
263 | {"LOUT", NULL, "Line Out"}, | |
264 | {"ROUT", NULL, "Line Out"}, | |
265 | {"Line Out", NULL, "Stereo Mixer"}, | |
266 | ||
267 | /* Mono 1 Out */ | |
268 | {"MOUT1", NULL, "Mono Out"}, | |
269 | {"Mono Out", NULL, "Mono1 Mixer"}, | |
270 | ||
271 | /* Mono 2 Out */ | |
272 | {"MOUT2", NULL, "Mono 2 Enable"}, | |
273 | {"Mono 2 Enable", "Switch", "Mono Out 2"}, | |
274 | {"Mono Out 2", NULL, "Stereo Mixer"}, | |
275 | ||
276 | {"Voice ADC", NULL, "Mono 2 Enable"}, | |
277 | ||
278 | /* Aux In */ | |
279 | {"AUX In", NULL, "AUX"}, | |
280 | ||
281 | /* ADC */ | |
282 | {"ADC", NULL, "Input Mixer"}, | |
283 | {"Input Mixer", "Mic Capture Switch", "Mic"}, | |
284 | {"Input Mixer", "Aux Capture Switch", "AUX In"}, | |
285 | }; | |
286 | ||
287 | static int ak4641_set_dai_sysclk(struct snd_soc_dai *codec_dai, | |
288 | int clk_id, unsigned int freq, int dir) | |
289 | { | |
290 | struct snd_soc_codec *codec = codec_dai->codec; | |
291 | struct ak4641_priv *ak4641 = snd_soc_codec_get_drvdata(codec); | |
292 | ||
293 | ak4641->sysclk = freq; | |
294 | return 0; | |
295 | } | |
296 | ||
297 | static int ak4641_i2s_hw_params(struct snd_pcm_substream *substream, | |
298 | struct snd_pcm_hw_params *params, | |
299 | struct snd_soc_dai *dai) | |
300 | { | |
e6968a17 | 301 | struct snd_soc_codec *codec = dai->codec; |
00d27010 DA |
302 | struct ak4641_priv *ak4641 = snd_soc_codec_get_drvdata(codec); |
303 | int rate = params_rate(params), fs = 256; | |
304 | u8 mode2; | |
305 | ||
306 | if (rate) | |
307 | fs = ak4641->sysclk / rate; | |
308 | else | |
309 | return -EINVAL; | |
310 | ||
311 | /* set fs */ | |
312 | switch (fs) { | |
313 | case 1024: | |
314 | mode2 = (0x2 << 5); | |
315 | break; | |
316 | case 512: | |
317 | mode2 = (0x1 << 5); | |
318 | break; | |
319 | case 256: | |
320 | mode2 = (0x0 << 5); | |
321 | break; | |
322 | default: | |
323 | dev_err(codec->dev, "Error: unsupported fs=%d\n", fs); | |
324 | return -EINVAL; | |
325 | } | |
326 | ||
327 | snd_soc_update_bits(codec, AK4641_MODE2, (0x3 << 5), mode2); | |
328 | ||
329 | /* Update de-emphasis filter for the new rate */ | |
330 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { | |
331 | ak4641->playback_fs = rate; | |
332 | ak4641_set_deemph(codec); | |
1d198f26 | 333 | } |
00d27010 DA |
334 | |
335 | return 0; | |
336 | } | |
337 | ||
338 | static int ak4641_pcm_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
339 | unsigned int fmt) | |
340 | { | |
341 | struct snd_soc_codec *codec = codec_dai->codec; | |
342 | u8 btif; | |
16aff769 | 343 | int ret; |
00d27010 DA |
344 | |
345 | /* interface format */ | |
346 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
347 | case SND_SOC_DAIFMT_I2S: | |
348 | btif = (0x3 << 5); | |
349 | break; | |
350 | case SND_SOC_DAIFMT_LEFT_J: | |
351 | btif = (0x2 << 5); | |
352 | break; | |
353 | case SND_SOC_DAIFMT_DSP_A: /* MSB after FRM */ | |
354 | btif = (0x0 << 5); | |
355 | break; | |
356 | case SND_SOC_DAIFMT_DSP_B: /* MSB during FRM */ | |
357 | btif = (0x1 << 5); | |
358 | break; | |
359 | default: | |
360 | return -EINVAL; | |
361 | } | |
362 | ||
16aff769 AL |
363 | ret = snd_soc_update_bits(codec, AK4641_BTIF, (0x3 << 5), btif); |
364 | if (ret < 0) | |
365 | return ret; | |
366 | ||
367 | return 0; | |
00d27010 DA |
368 | } |
369 | ||
370 | static int ak4641_i2s_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
371 | unsigned int fmt) | |
372 | { | |
373 | struct snd_soc_codec *codec = codec_dai->codec; | |
374 | u8 mode1 = 0; | |
375 | ||
376 | /* interface format */ | |
377 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
378 | case SND_SOC_DAIFMT_I2S: | |
379 | mode1 = 0x02; | |
380 | break; | |
381 | case SND_SOC_DAIFMT_LEFT_J: | |
382 | mode1 = 0x01; | |
383 | break; | |
384 | default: | |
385 | return -EINVAL; | |
386 | } | |
387 | ||
388 | return snd_soc_write(codec, AK4641_MODE1, mode1); | |
389 | } | |
390 | ||
391 | static int ak4641_mute(struct snd_soc_dai *dai, int mute) | |
392 | { | |
393 | struct snd_soc_codec *codec = dai->codec; | |
394 | ||
395 | return snd_soc_update_bits(codec, AK4641_DAC, 0x20, mute ? 0x20 : 0); | |
396 | } | |
397 | ||
398 | static int ak4641_set_bias_level(struct snd_soc_codec *codec, | |
399 | enum snd_soc_bias_level level) | |
400 | { | |
4f534777 | 401 | struct ak4641_priv *ak4641 = snd_soc_codec_get_drvdata(codec); |
00d27010 DA |
402 | struct ak4641_platform_data *pdata = codec->dev->platform_data; |
403 | int ret; | |
404 | ||
405 | switch (level) { | |
406 | case SND_SOC_BIAS_ON: | |
407 | /* unmute */ | |
408 | snd_soc_update_bits(codec, AK4641_DAC, 0x20, 0); | |
409 | break; | |
410 | case SND_SOC_BIAS_PREPARE: | |
411 | /* mute */ | |
412 | snd_soc_update_bits(codec, AK4641_DAC, 0x20, 0x20); | |
413 | break; | |
414 | case SND_SOC_BIAS_STANDBY: | |
6d701b6d | 415 | if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) { |
00d27010 DA |
416 | if (pdata && gpio_is_valid(pdata->gpio_power)) |
417 | gpio_set_value(pdata->gpio_power, 1); | |
418 | mdelay(1); | |
419 | if (pdata && gpio_is_valid(pdata->gpio_npdn)) | |
420 | gpio_set_value(pdata->gpio_npdn, 1); | |
421 | mdelay(1); | |
422 | ||
4f534777 | 423 | ret = regcache_sync(ak4641->regmap); |
00d27010 DA |
424 | if (ret) { |
425 | dev_err(codec->dev, | |
426 | "Failed to sync cache: %d\n", ret); | |
427 | return ret; | |
428 | } | |
429 | } | |
430 | snd_soc_update_bits(codec, AK4641_PM1, 0x80, 0x80); | |
431 | snd_soc_update_bits(codec, AK4641_PM2, 0x80, 0); | |
432 | break; | |
433 | case SND_SOC_BIAS_OFF: | |
434 | snd_soc_update_bits(codec, AK4641_PM1, 0x80, 0); | |
435 | if (pdata && gpio_is_valid(pdata->gpio_npdn)) | |
436 | gpio_set_value(pdata->gpio_npdn, 0); | |
437 | if (pdata && gpio_is_valid(pdata->gpio_power)) | |
438 | gpio_set_value(pdata->gpio_power, 0); | |
4f534777 | 439 | regcache_mark_dirty(ak4641->regmap); |
00d27010 DA |
440 | break; |
441 | } | |
00d27010 DA |
442 | return 0; |
443 | } | |
444 | ||
445 | #define AK4641_RATES (SNDRV_PCM_RATE_8000_48000) | |
446 | #define AK4641_RATES_BT (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ | |
447 | SNDRV_PCM_RATE_16000) | |
448 | #define AK4641_FORMATS (SNDRV_PCM_FMTBIT_S16_LE) | |
449 | ||
85e7652d | 450 | static const struct snd_soc_dai_ops ak4641_i2s_dai_ops = { |
00d27010 DA |
451 | .hw_params = ak4641_i2s_hw_params, |
452 | .set_fmt = ak4641_i2s_set_dai_fmt, | |
453 | .digital_mute = ak4641_mute, | |
454 | .set_sysclk = ak4641_set_dai_sysclk, | |
455 | }; | |
456 | ||
85e7652d | 457 | static const struct snd_soc_dai_ops ak4641_pcm_dai_ops = { |
00d27010 DA |
458 | .hw_params = NULL, /* rates are controlled by BT chip */ |
459 | .set_fmt = ak4641_pcm_set_dai_fmt, | |
460 | .digital_mute = ak4641_mute, | |
461 | .set_sysclk = ak4641_set_dai_sysclk, | |
462 | }; | |
463 | ||
37aa716a | 464 | static struct snd_soc_dai_driver ak4641_dai[] = { |
00d27010 DA |
465 | { |
466 | .name = "ak4641-hifi", | |
467 | .id = 1, | |
468 | .playback = { | |
469 | .stream_name = "HiFi Playback", | |
470 | .channels_min = 1, | |
471 | .channels_max = 2, | |
472 | .rates = AK4641_RATES, | |
473 | .formats = AK4641_FORMATS, | |
474 | }, | |
475 | .capture = { | |
476 | .stream_name = "HiFi Capture", | |
477 | .channels_min = 1, | |
478 | .channels_max = 2, | |
479 | .rates = AK4641_RATES, | |
480 | .formats = AK4641_FORMATS, | |
481 | }, | |
482 | .ops = &ak4641_i2s_dai_ops, | |
483 | .symmetric_rates = 1, | |
484 | }, | |
485 | { | |
486 | .name = "ak4641-voice", | |
487 | .id = 1, | |
488 | .playback = { | |
489 | .stream_name = "Voice Playback", | |
490 | .channels_min = 1, | |
491 | .channels_max = 1, | |
492 | .rates = AK4641_RATES_BT, | |
493 | .formats = AK4641_FORMATS, | |
494 | }, | |
495 | .capture = { | |
496 | .stream_name = "Voice Capture", | |
497 | .channels_min = 1, | |
498 | .channels_max = 1, | |
499 | .rates = AK4641_RATES_BT, | |
500 | .formats = AK4641_FORMATS, | |
501 | }, | |
502 | .ops = &ak4641_pcm_dai_ops, | |
503 | .symmetric_rates = 1, | |
504 | }, | |
505 | }; | |
506 | ||
00d27010 | 507 | static struct snd_soc_codec_driver soc_codec_dev_ak4641 = { |
00d27010 DA |
508 | .controls = ak4641_snd_controls, |
509 | .num_controls = ARRAY_SIZE(ak4641_snd_controls), | |
510 | .dapm_widgets = ak4641_dapm_widgets, | |
511 | .num_dapm_widgets = ARRAY_SIZE(ak4641_dapm_widgets), | |
512 | .dapm_routes = ak4641_audio_map, | |
513 | .num_dapm_routes = ARRAY_SIZE(ak4641_audio_map), | |
514 | .set_bias_level = ak4641_set_bias_level, | |
0b0171e3 | 515 | .suspend_bias_off = true, |
00d27010 DA |
516 | }; |
517 | ||
4f534777 MB |
518 | static const struct regmap_config ak4641_regmap = { |
519 | .reg_bits = 8, | |
520 | .val_bits = 8, | |
521 | ||
522 | .max_register = AK4641_BTIF, | |
523 | .reg_defaults = ak4641_reg_defaults, | |
524 | .num_reg_defaults = ARRAY_SIZE(ak4641_reg_defaults), | |
525 | .cache_type = REGCACHE_RBTREE, | |
526 | }; | |
00d27010 | 527 | |
7a79e94e BP |
528 | static int ak4641_i2c_probe(struct i2c_client *i2c, |
529 | const struct i2c_device_id *id) | |
00d27010 | 530 | { |
253322c1 | 531 | struct ak4641_platform_data *pdata = i2c->dev.platform_data; |
00d27010 DA |
532 | struct ak4641_priv *ak4641; |
533 | int ret; | |
534 | ||
4273fcfd AL |
535 | ak4641 = devm_kzalloc(&i2c->dev, sizeof(struct ak4641_priv), |
536 | GFP_KERNEL); | |
00d27010 DA |
537 | if (!ak4641) |
538 | return -ENOMEM; | |
539 | ||
4f534777 MB |
540 | ak4641->regmap = devm_regmap_init_i2c(i2c, &ak4641_regmap); |
541 | if (IS_ERR(ak4641->regmap)) | |
542 | return PTR_ERR(ak4641->regmap); | |
543 | ||
253322c1 MB |
544 | if (pdata) { |
545 | if (gpio_is_valid(pdata->gpio_power)) { | |
546 | ret = gpio_request_one(pdata->gpio_power, | |
547 | GPIOF_OUT_INIT_LOW, "ak4641 power"); | |
548 | if (ret) | |
549 | goto err_out; | |
550 | } | |
551 | if (gpio_is_valid(pdata->gpio_npdn)) { | |
552 | ret = gpio_request_one(pdata->gpio_npdn, | |
553 | GPIOF_OUT_INIT_LOW, "ak4641 npdn"); | |
554 | if (ret) | |
555 | goto err_gpio; | |
556 | ||
557 | udelay(1); /* > 150 ns */ | |
558 | gpio_set_value(pdata->gpio_npdn, 1); | |
559 | } | |
560 | } | |
561 | ||
00d27010 DA |
562 | i2c_set_clientdata(i2c, ak4641); |
563 | ||
564 | ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_ak4641, | |
565 | ak4641_dai, ARRAY_SIZE(ak4641_dai)); | |
253322c1 MB |
566 | if (ret != 0) |
567 | goto err_gpio2; | |
568 | ||
569 | return 0; | |
570 | ||
571 | err_gpio2: | |
572 | if (pdata) { | |
573 | if (gpio_is_valid(pdata->gpio_power)) | |
574 | gpio_set_value(pdata->gpio_power, 0); | |
575 | if (gpio_is_valid(pdata->gpio_npdn)) | |
576 | gpio_free(pdata->gpio_npdn); | |
577 | } | |
578 | err_gpio: | |
579 | if (pdata && gpio_is_valid(pdata->gpio_power)) | |
580 | gpio_free(pdata->gpio_power); | |
581 | err_out: | |
00d27010 DA |
582 | return ret; |
583 | } | |
584 | ||
7a79e94e | 585 | static int ak4641_i2c_remove(struct i2c_client *i2c) |
00d27010 | 586 | { |
253322c1 MB |
587 | struct ak4641_platform_data *pdata = i2c->dev.platform_data; |
588 | ||
00d27010 | 589 | snd_soc_unregister_codec(&i2c->dev); |
253322c1 MB |
590 | |
591 | if (pdata) { | |
592 | if (gpio_is_valid(pdata->gpio_power)) { | |
593 | gpio_set_value(pdata->gpio_power, 0); | |
594 | gpio_free(pdata->gpio_power); | |
595 | } | |
596 | if (gpio_is_valid(pdata->gpio_npdn)) | |
597 | gpio_free(pdata->gpio_npdn); | |
598 | } | |
599 | ||
00d27010 DA |
600 | return 0; |
601 | } | |
602 | ||
603 | static const struct i2c_device_id ak4641_i2c_id[] = { | |
604 | { "ak4641", 0 }, | |
605 | { } | |
606 | }; | |
607 | MODULE_DEVICE_TABLE(i2c, ak4641_i2c_id); | |
608 | ||
609 | static struct i2c_driver ak4641_i2c_driver = { | |
610 | .driver = { | |
611 | .name = "ak4641", | |
00d27010 DA |
612 | }, |
613 | .probe = ak4641_i2c_probe, | |
7a79e94e | 614 | .remove = ak4641_i2c_remove, |
00d27010 DA |
615 | .id_table = ak4641_i2c_id, |
616 | }; | |
617 | ||
a0abacd8 | 618 | module_i2c_driver(ak4641_i2c_driver); |
00d27010 DA |
619 | |
620 | MODULE_DESCRIPTION("SoC AK4641 driver"); | |
621 | MODULE_AUTHOR("Harald Welte <laforge@gnufiish.org>"); | |
622 | MODULE_LICENSE("GPL"); |