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d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
00d27010 DA |
2 | /* |
3 | * ak4641.c -- AK4641 ALSA Soc Audio driver | |
4 | * | |
5 | * Copyright (C) 2008 Harald Welte <laforge@gnufiish.org> | |
6 | * Copyright (C) 2011 Dmitry Artamonow <mad_soft@inbox.ru> | |
7 | * | |
8 | * Based on ak4535.c by Richard Purdie | |
00d27010 DA |
9 | */ |
10 | ||
11 | #include <linux/module.h> | |
12 | #include <linux/init.h> | |
13 | #include <linux/delay.h> | |
14 | #include <linux/gpio.h> | |
15 | #include <linux/pm.h> | |
16 | #include <linux/i2c.h> | |
4f534777 | 17 | #include <linux/regmap.h> |
00d27010 DA |
18 | #include <linux/slab.h> |
19 | #include <sound/core.h> | |
20 | #include <sound/pcm.h> | |
21 | #include <sound/pcm_params.h> | |
22 | #include <sound/soc.h> | |
23 | #include <sound/initval.h> | |
24 | #include <sound/tlv.h> | |
25 | #include <sound/ak4641.h> | |
26 | ||
5841ce10 LPC |
27 | /* AK4641 register space */ |
28 | #define AK4641_PM1 0x00 | |
29 | #define AK4641_PM2 0x01 | |
30 | #define AK4641_SIG1 0x02 | |
31 | #define AK4641_SIG2 0x03 | |
32 | #define AK4641_MODE1 0x04 | |
33 | #define AK4641_MODE2 0x05 | |
34 | #define AK4641_DAC 0x06 | |
35 | #define AK4641_MIC 0x07 | |
36 | #define AK4641_TIMER 0x08 | |
37 | #define AK4641_ALC1 0x09 | |
38 | #define AK4641_ALC2 0x0a | |
39 | #define AK4641_PGA 0x0b | |
40 | #define AK4641_LATT 0x0c | |
41 | #define AK4641_RATT 0x0d | |
42 | #define AK4641_VOL 0x0e | |
43 | #define AK4641_STATUS 0x0f | |
44 | #define AK4641_EQLO 0x10 | |
45 | #define AK4641_EQMID 0x11 | |
46 | #define AK4641_EQHI 0x12 | |
47 | #define AK4641_BTIF 0x13 | |
00d27010 DA |
48 | |
49 | /* codec private data */ | |
50 | struct ak4641_priv { | |
4f534777 | 51 | struct regmap *regmap; |
00d27010 DA |
52 | unsigned int sysclk; |
53 | int deemph; | |
54 | int playback_fs; | |
55 | }; | |
56 | ||
57 | /* | |
58 | * ak4641 register cache | |
59 | */ | |
4f534777 MB |
60 | static const struct reg_default ak4641_reg_defaults[] = { |
61 | { 0, 0x00 }, { 1, 0x80 }, { 2, 0x00 }, { 3, 0x80 }, | |
62 | { 4, 0x02 }, { 5, 0x00 }, { 6, 0x11 }, { 7, 0x05 }, | |
63 | { 8, 0x00 }, { 9, 0x00 }, { 10, 0x36 }, { 11, 0x10 }, | |
64 | { 12, 0x00 }, { 13, 0x00 }, { 14, 0x57 }, { 15, 0x00 }, | |
65 | { 16, 0x88 }, { 17, 0x88 }, { 18, 0x08 }, { 19, 0x08 } | |
00d27010 DA |
66 | }; |
67 | ||
68 | static const int deemph_settings[] = {44100, 0, 48000, 32000}; | |
69 | ||
2b5c3e43 | 70 | static int ak4641_set_deemph(struct snd_soc_component *component) |
00d27010 | 71 | { |
2b5c3e43 | 72 | struct ak4641_priv *ak4641 = snd_soc_component_get_drvdata(component); |
00d27010 DA |
73 | int i, best = 0; |
74 | ||
75 | for (i = 0 ; i < ARRAY_SIZE(deemph_settings); i++) { | |
76 | /* if deemphasis is on, select the nearest available rate */ | |
77 | if (ak4641->deemph && deemph_settings[i] != 0 && | |
78 | abs(deemph_settings[i] - ak4641->playback_fs) < | |
79 | abs(deemph_settings[best] - ak4641->playback_fs)) | |
80 | best = i; | |
81 | ||
82 | if (!ak4641->deemph && deemph_settings[i] == 0) | |
83 | best = i; | |
84 | } | |
85 | ||
2b5c3e43 | 86 | dev_dbg(component->dev, "Set deemphasis %d\n", best); |
00d27010 | 87 | |
2b5c3e43 | 88 | return snd_soc_component_update_bits(component, AK4641_DAC, 0x3, best); |
00d27010 DA |
89 | } |
90 | ||
91 | static int ak4641_put_deemph(struct snd_kcontrol *kcontrol, | |
92 | struct snd_ctl_elem_value *ucontrol) | |
93 | { | |
2b5c3e43 KM |
94 | struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); |
95 | struct ak4641_priv *ak4641 = snd_soc_component_get_drvdata(component); | |
08641d9b | 96 | int deemph = ucontrol->value.integer.value[0]; |
00d27010 DA |
97 | |
98 | if (deemph > 1) | |
99 | return -EINVAL; | |
100 | ||
101 | ak4641->deemph = deemph; | |
102 | ||
2b5c3e43 | 103 | return ak4641_set_deemph(component); |
00d27010 DA |
104 | } |
105 | ||
106 | static int ak4641_get_deemph(struct snd_kcontrol *kcontrol, | |
107 | struct snd_ctl_elem_value *ucontrol) | |
108 | { | |
2b5c3e43 KM |
109 | struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); |
110 | struct ak4641_priv *ak4641 = snd_soc_component_get_drvdata(component); | |
00d27010 | 111 | |
08641d9b | 112 | ucontrol->value.integer.value[0] = ak4641->deemph; |
00d27010 DA |
113 | return 0; |
114 | }; | |
115 | ||
116 | static const char *ak4641_mono_out[] = {"(L + R)/2", "Hi-Z"}; | |
117 | static const char *ak4641_hp_out[] = {"Stereo", "Mono"}; | |
118 | static const char *ak4641_mic_select[] = {"Internal", "External"}; | |
119 | static const char *ak4641_mic_or_dac[] = {"Microphone", "Voice DAC"}; | |
120 | ||
121 | ||
122 | static const DECLARE_TLV_DB_SCALE(mono_gain_tlv, -1700, 2300, 0); | |
123 | static const DECLARE_TLV_DB_SCALE(mic_boost_tlv, 0, 2000, 0); | |
124 | static const DECLARE_TLV_DB_SCALE(eq_tlv, -1050, 150, 0); | |
125 | static const DECLARE_TLV_DB_SCALE(master_tlv, -12750, 50, 0); | |
126 | static const DECLARE_TLV_DB_SCALE(mic_stereo_sidetone_tlv, -2700, 300, 0); | |
127 | static const DECLARE_TLV_DB_SCALE(mic_mono_sidetone_tlv, -400, 400, 0); | |
128 | static const DECLARE_TLV_DB_SCALE(capture_tlv, -800, 50, 0); | |
129 | static const DECLARE_TLV_DB_SCALE(alc_tlv, -800, 50, 0); | |
130 | static const DECLARE_TLV_DB_SCALE(aux_in_tlv, -2100, 300, 0); | |
131 | ||
132 | ||
cbf62422 TI |
133 | static SOC_ENUM_SINGLE_DECL(ak4641_mono_out_enum, |
134 | AK4641_SIG1, 6, ak4641_mono_out); | |
135 | static SOC_ENUM_SINGLE_DECL(ak4641_hp_out_enum, | |
136 | AK4641_MODE2, 2, ak4641_hp_out); | |
137 | static SOC_ENUM_SINGLE_DECL(ak4641_mic_select_enum, | |
138 | AK4641_MIC, 1, ak4641_mic_select); | |
139 | static SOC_ENUM_SINGLE_DECL(ak4641_mic_or_dac_enum, | |
140 | AK4641_BTIF, 4, ak4641_mic_or_dac); | |
00d27010 DA |
141 | |
142 | static const struct snd_kcontrol_new ak4641_snd_controls[] = { | |
143 | SOC_ENUM("Mono 1 Output", ak4641_mono_out_enum), | |
144 | SOC_SINGLE_TLV("Mono 1 Gain Volume", AK4641_SIG1, 7, 1, 1, | |
145 | mono_gain_tlv), | |
146 | SOC_ENUM("Headphone Output", ak4641_hp_out_enum), | |
147 | SOC_SINGLE_BOOL_EXT("Playback Deemphasis Switch", 0, | |
148 | ak4641_get_deemph, ak4641_put_deemph), | |
149 | ||
150 | SOC_SINGLE_TLV("Mic Boost Volume", AK4641_MIC, 0, 1, 0, mic_boost_tlv), | |
151 | ||
152 | SOC_SINGLE("ALC Operation Time", AK4641_TIMER, 0, 3, 0), | |
153 | SOC_SINGLE("ALC Recovery Time", AK4641_TIMER, 2, 3, 0), | |
154 | SOC_SINGLE("ALC ZC Time", AK4641_TIMER, 4, 3, 0), | |
155 | ||
156 | SOC_SINGLE("ALC 1 Switch", AK4641_ALC1, 5, 1, 0), | |
157 | ||
158 | SOC_SINGLE_TLV("ALC Volume", AK4641_ALC2, 0, 71, 0, alc_tlv), | |
159 | SOC_SINGLE("Left Out Enable Switch", AK4641_SIG2, 1, 1, 0), | |
160 | SOC_SINGLE("Right Out Enable Switch", AK4641_SIG2, 0, 1, 0), | |
161 | ||
162 | SOC_SINGLE_TLV("Capture Volume", AK4641_PGA, 0, 71, 0, capture_tlv), | |
163 | ||
164 | SOC_DOUBLE_R_TLV("Master Playback Volume", AK4641_LATT, | |
165 | AK4641_RATT, 0, 255, 1, master_tlv), | |
166 | ||
167 | SOC_SINGLE_TLV("AUX In Volume", AK4641_VOL, 0, 15, 0, aux_in_tlv), | |
168 | ||
169 | SOC_SINGLE("Equalizer Switch", AK4641_DAC, 2, 1, 0), | |
170 | SOC_SINGLE_TLV("EQ1 100 Hz Volume", AK4641_EQLO, 0, 15, 1, eq_tlv), | |
171 | SOC_SINGLE_TLV("EQ2 250 Hz Volume", AK4641_EQLO, 4, 15, 1, eq_tlv), | |
172 | SOC_SINGLE_TLV("EQ3 1 kHz Volume", AK4641_EQMID, 0, 15, 1, eq_tlv), | |
173 | SOC_SINGLE_TLV("EQ4 3.5 kHz Volume", AK4641_EQMID, 4, 15, 1, eq_tlv), | |
174 | SOC_SINGLE_TLV("EQ5 10 kHz Volume", AK4641_EQHI, 0, 15, 1, eq_tlv), | |
175 | }; | |
176 | ||
177 | /* Mono 1 Mixer */ | |
178 | static const struct snd_kcontrol_new ak4641_mono1_mixer_controls[] = { | |
179 | SOC_DAPM_SINGLE_TLV("Mic Mono Sidetone Volume", AK4641_VOL, 7, 1, 0, | |
180 | mic_mono_sidetone_tlv), | |
181 | SOC_DAPM_SINGLE("Mic Mono Sidetone Switch", AK4641_SIG1, 4, 1, 0), | |
182 | SOC_DAPM_SINGLE("Mono Playback Switch", AK4641_SIG1, 5, 1, 0), | |
183 | }; | |
184 | ||
185 | /* Stereo Mixer */ | |
186 | static const struct snd_kcontrol_new ak4641_stereo_mixer_controls[] = { | |
187 | SOC_DAPM_SINGLE_TLV("Mic Sidetone Volume", AK4641_VOL, 4, 7, 0, | |
188 | mic_stereo_sidetone_tlv), | |
189 | SOC_DAPM_SINGLE("Mic Sidetone Switch", AK4641_SIG2, 4, 1, 0), | |
190 | SOC_DAPM_SINGLE("Playback Switch", AK4641_SIG2, 7, 1, 0), | |
191 | SOC_DAPM_SINGLE("Aux Bypass Switch", AK4641_SIG2, 5, 1, 0), | |
192 | }; | |
193 | ||
194 | /* Input Mixer */ | |
195 | static const struct snd_kcontrol_new ak4641_input_mixer_controls[] = { | |
196 | SOC_DAPM_SINGLE("Mic Capture Switch", AK4641_MIC, 2, 1, 0), | |
197 | SOC_DAPM_SINGLE("Aux Capture Switch", AK4641_MIC, 5, 1, 0), | |
198 | }; | |
199 | ||
200 | /* Mic mux */ | |
201 | static const struct snd_kcontrol_new ak4641_mic_mux_control = | |
202 | SOC_DAPM_ENUM("Mic Select", ak4641_mic_select_enum); | |
203 | ||
204 | /* Input mux */ | |
205 | static const struct snd_kcontrol_new ak4641_input_mux_control = | |
206 | SOC_DAPM_ENUM("Input Select", ak4641_mic_or_dac_enum); | |
207 | ||
208 | /* mono 2 switch */ | |
209 | static const struct snd_kcontrol_new ak4641_mono2_control = | |
210 | SOC_DAPM_SINGLE("Switch", AK4641_SIG1, 0, 1, 0); | |
211 | ||
212 | /* ak4641 dapm widgets */ | |
213 | static const struct snd_soc_dapm_widget ak4641_dapm_widgets[] = { | |
214 | SND_SOC_DAPM_MIXER("Stereo Mixer", SND_SOC_NOPM, 0, 0, | |
215 | &ak4641_stereo_mixer_controls[0], | |
216 | ARRAY_SIZE(ak4641_stereo_mixer_controls)), | |
217 | SND_SOC_DAPM_MIXER("Mono1 Mixer", SND_SOC_NOPM, 0, 0, | |
218 | &ak4641_mono1_mixer_controls[0], | |
219 | ARRAY_SIZE(ak4641_mono1_mixer_controls)), | |
220 | SND_SOC_DAPM_MIXER("Input Mixer", SND_SOC_NOPM, 0, 0, | |
221 | &ak4641_input_mixer_controls[0], | |
222 | ARRAY_SIZE(ak4641_input_mixer_controls)), | |
223 | SND_SOC_DAPM_MUX("Mic Mux", SND_SOC_NOPM, 0, 0, | |
224 | &ak4641_mic_mux_control), | |
225 | SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, | |
226 | &ak4641_input_mux_control), | |
227 | SND_SOC_DAPM_SWITCH("Mono 2 Enable", SND_SOC_NOPM, 0, 0, | |
228 | &ak4641_mono2_control), | |
229 | ||
230 | SND_SOC_DAPM_OUTPUT("LOUT"), | |
231 | SND_SOC_DAPM_OUTPUT("ROUT"), | |
232 | SND_SOC_DAPM_OUTPUT("MOUT1"), | |
233 | SND_SOC_DAPM_OUTPUT("MOUT2"), | |
234 | SND_SOC_DAPM_OUTPUT("MICOUT"), | |
235 | ||
236 | SND_SOC_DAPM_ADC("ADC", "HiFi Capture", AK4641_PM1, 0, 0), | |
237 | SND_SOC_DAPM_PGA("Mic", AK4641_PM1, 1, 0, NULL, 0), | |
238 | SND_SOC_DAPM_PGA("AUX In", AK4641_PM1, 2, 0, NULL, 0), | |
239 | SND_SOC_DAPM_PGA("Mono Out", AK4641_PM1, 3, 0, NULL, 0), | |
240 | SND_SOC_DAPM_PGA("Line Out", AK4641_PM1, 4, 0, NULL, 0), | |
241 | ||
242 | SND_SOC_DAPM_DAC("DAC", "HiFi Playback", AK4641_PM2, 0, 0), | |
243 | SND_SOC_DAPM_PGA("Mono Out 2", AK4641_PM2, 3, 0, NULL, 0), | |
244 | ||
245 | SND_SOC_DAPM_ADC("Voice ADC", "Voice Capture", AK4641_BTIF, 0, 0), | |
24441e17 | 246 | SND_SOC_DAPM_DAC("Voice DAC", "Voice Playback", AK4641_BTIF, 1, 0), |
00d27010 DA |
247 | |
248 | SND_SOC_DAPM_MICBIAS("Mic Int Bias", AK4641_MIC, 3, 0), | |
249 | SND_SOC_DAPM_MICBIAS("Mic Ext Bias", AK4641_MIC, 4, 0), | |
250 | ||
251 | SND_SOC_DAPM_INPUT("MICIN"), | |
252 | SND_SOC_DAPM_INPUT("MICEXT"), | |
253 | SND_SOC_DAPM_INPUT("AUX"), | |
254 | SND_SOC_DAPM_INPUT("AIN"), | |
255 | }; | |
256 | ||
257 | static const struct snd_soc_dapm_route ak4641_audio_map[] = { | |
258 | /* Stereo Mixer */ | |
259 | {"Stereo Mixer", "Playback Switch", "DAC"}, | |
260 | {"Stereo Mixer", "Mic Sidetone Switch", "Input Mux"}, | |
261 | {"Stereo Mixer", "Aux Bypass Switch", "AUX In"}, | |
262 | ||
263 | /* Mono 1 Mixer */ | |
264 | {"Mono1 Mixer", "Mic Mono Sidetone Switch", "Input Mux"}, | |
265 | {"Mono1 Mixer", "Mono Playback Switch", "DAC"}, | |
266 | ||
267 | /* Mic */ | |
268 | {"Mic", NULL, "AIN"}, | |
269 | {"Mic Mux", "Internal", "Mic Int Bias"}, | |
270 | {"Mic Mux", "External", "Mic Ext Bias"}, | |
271 | {"Mic Int Bias", NULL, "MICIN"}, | |
272 | {"Mic Ext Bias", NULL, "MICEXT"}, | |
273 | {"MICOUT", NULL, "Mic Mux"}, | |
274 | ||
275 | /* Input Mux */ | |
276 | {"Input Mux", "Microphone", "Mic"}, | |
277 | {"Input Mux", "Voice DAC", "Voice DAC"}, | |
278 | ||
279 | /* Line Out */ | |
280 | {"LOUT", NULL, "Line Out"}, | |
281 | {"ROUT", NULL, "Line Out"}, | |
282 | {"Line Out", NULL, "Stereo Mixer"}, | |
283 | ||
284 | /* Mono 1 Out */ | |
285 | {"MOUT1", NULL, "Mono Out"}, | |
286 | {"Mono Out", NULL, "Mono1 Mixer"}, | |
287 | ||
288 | /* Mono 2 Out */ | |
289 | {"MOUT2", NULL, "Mono 2 Enable"}, | |
290 | {"Mono 2 Enable", "Switch", "Mono Out 2"}, | |
291 | {"Mono Out 2", NULL, "Stereo Mixer"}, | |
292 | ||
293 | {"Voice ADC", NULL, "Mono 2 Enable"}, | |
294 | ||
295 | /* Aux In */ | |
296 | {"AUX In", NULL, "AUX"}, | |
297 | ||
298 | /* ADC */ | |
299 | {"ADC", NULL, "Input Mixer"}, | |
300 | {"Input Mixer", "Mic Capture Switch", "Mic"}, | |
301 | {"Input Mixer", "Aux Capture Switch", "AUX In"}, | |
302 | }; | |
303 | ||
304 | static int ak4641_set_dai_sysclk(struct snd_soc_dai *codec_dai, | |
305 | int clk_id, unsigned int freq, int dir) | |
306 | { | |
2b5c3e43 KM |
307 | struct snd_soc_component *component = codec_dai->component; |
308 | struct ak4641_priv *ak4641 = snd_soc_component_get_drvdata(component); | |
00d27010 DA |
309 | |
310 | ak4641->sysclk = freq; | |
311 | return 0; | |
312 | } | |
313 | ||
314 | static int ak4641_i2s_hw_params(struct snd_pcm_substream *substream, | |
315 | struct snd_pcm_hw_params *params, | |
316 | struct snd_soc_dai *dai) | |
317 | { | |
2b5c3e43 KM |
318 | struct snd_soc_component *component = dai->component; |
319 | struct ak4641_priv *ak4641 = snd_soc_component_get_drvdata(component); | |
00d27010 DA |
320 | int rate = params_rate(params), fs = 256; |
321 | u8 mode2; | |
322 | ||
323 | if (rate) | |
324 | fs = ak4641->sysclk / rate; | |
325 | else | |
326 | return -EINVAL; | |
327 | ||
328 | /* set fs */ | |
329 | switch (fs) { | |
330 | case 1024: | |
331 | mode2 = (0x2 << 5); | |
332 | break; | |
333 | case 512: | |
334 | mode2 = (0x1 << 5); | |
335 | break; | |
336 | case 256: | |
337 | mode2 = (0x0 << 5); | |
338 | break; | |
339 | default: | |
2b5c3e43 | 340 | dev_err(component->dev, "Error: unsupported fs=%d\n", fs); |
00d27010 DA |
341 | return -EINVAL; |
342 | } | |
343 | ||
2b5c3e43 | 344 | snd_soc_component_update_bits(component, AK4641_MODE2, (0x3 << 5), mode2); |
00d27010 DA |
345 | |
346 | /* Update de-emphasis filter for the new rate */ | |
347 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { | |
348 | ak4641->playback_fs = rate; | |
2b5c3e43 | 349 | ak4641_set_deemph(component); |
1d198f26 | 350 | } |
00d27010 DA |
351 | |
352 | return 0; | |
353 | } | |
354 | ||
355 | static int ak4641_pcm_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
356 | unsigned int fmt) | |
357 | { | |
2b5c3e43 | 358 | struct snd_soc_component *component = codec_dai->component; |
00d27010 | 359 | u8 btif; |
16aff769 | 360 | int ret; |
00d27010 DA |
361 | |
362 | /* interface format */ | |
363 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
364 | case SND_SOC_DAIFMT_I2S: | |
365 | btif = (0x3 << 5); | |
366 | break; | |
367 | case SND_SOC_DAIFMT_LEFT_J: | |
368 | btif = (0x2 << 5); | |
369 | break; | |
370 | case SND_SOC_DAIFMT_DSP_A: /* MSB after FRM */ | |
371 | btif = (0x0 << 5); | |
372 | break; | |
373 | case SND_SOC_DAIFMT_DSP_B: /* MSB during FRM */ | |
374 | btif = (0x1 << 5); | |
375 | break; | |
376 | default: | |
377 | return -EINVAL; | |
378 | } | |
379 | ||
2b5c3e43 | 380 | ret = snd_soc_component_update_bits(component, AK4641_BTIF, (0x3 << 5), btif); |
16aff769 AL |
381 | if (ret < 0) |
382 | return ret; | |
383 | ||
384 | return 0; | |
00d27010 DA |
385 | } |
386 | ||
387 | static int ak4641_i2s_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
388 | unsigned int fmt) | |
389 | { | |
2b5c3e43 | 390 | struct snd_soc_component *component = codec_dai->component; |
00d27010 DA |
391 | u8 mode1 = 0; |
392 | ||
393 | /* interface format */ | |
394 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
395 | case SND_SOC_DAIFMT_I2S: | |
396 | mode1 = 0x02; | |
397 | break; | |
398 | case SND_SOC_DAIFMT_LEFT_J: | |
399 | mode1 = 0x01; | |
400 | break; | |
401 | default: | |
402 | return -EINVAL; | |
403 | } | |
404 | ||
2b5c3e43 | 405 | return snd_soc_component_write(component, AK4641_MODE1, mode1); |
00d27010 DA |
406 | } |
407 | ||
50891431 | 408 | static int ak4641_mute(struct snd_soc_dai *dai, int mute, int direction) |
00d27010 | 409 | { |
2b5c3e43 | 410 | struct snd_soc_component *component = dai->component; |
00d27010 | 411 | |
2b5c3e43 | 412 | return snd_soc_component_update_bits(component, AK4641_DAC, 0x20, mute ? 0x20 : 0); |
00d27010 DA |
413 | } |
414 | ||
2b5c3e43 | 415 | static int ak4641_set_bias_level(struct snd_soc_component *component, |
00d27010 DA |
416 | enum snd_soc_bias_level level) |
417 | { | |
2b5c3e43 KM |
418 | struct ak4641_priv *ak4641 = snd_soc_component_get_drvdata(component); |
419 | struct ak4641_platform_data *pdata = component->dev->platform_data; | |
00d27010 DA |
420 | int ret; |
421 | ||
422 | switch (level) { | |
423 | case SND_SOC_BIAS_ON: | |
424 | /* unmute */ | |
2b5c3e43 | 425 | snd_soc_component_update_bits(component, AK4641_DAC, 0x20, 0); |
00d27010 DA |
426 | break; |
427 | case SND_SOC_BIAS_PREPARE: | |
428 | /* mute */ | |
2b5c3e43 | 429 | snd_soc_component_update_bits(component, AK4641_DAC, 0x20, 0x20); |
00d27010 DA |
430 | break; |
431 | case SND_SOC_BIAS_STANDBY: | |
2b5c3e43 | 432 | if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) { |
00d27010 DA |
433 | if (pdata && gpio_is_valid(pdata->gpio_power)) |
434 | gpio_set_value(pdata->gpio_power, 1); | |
435 | mdelay(1); | |
436 | if (pdata && gpio_is_valid(pdata->gpio_npdn)) | |
437 | gpio_set_value(pdata->gpio_npdn, 1); | |
438 | mdelay(1); | |
439 | ||
4f534777 | 440 | ret = regcache_sync(ak4641->regmap); |
00d27010 | 441 | if (ret) { |
2b5c3e43 | 442 | dev_err(component->dev, |
00d27010 DA |
443 | "Failed to sync cache: %d\n", ret); |
444 | return ret; | |
445 | } | |
446 | } | |
2b5c3e43 KM |
447 | snd_soc_component_update_bits(component, AK4641_PM1, 0x80, 0x80); |
448 | snd_soc_component_update_bits(component, AK4641_PM2, 0x80, 0); | |
00d27010 DA |
449 | break; |
450 | case SND_SOC_BIAS_OFF: | |
2b5c3e43 | 451 | snd_soc_component_update_bits(component, AK4641_PM1, 0x80, 0); |
00d27010 DA |
452 | if (pdata && gpio_is_valid(pdata->gpio_npdn)) |
453 | gpio_set_value(pdata->gpio_npdn, 0); | |
454 | if (pdata && gpio_is_valid(pdata->gpio_power)) | |
455 | gpio_set_value(pdata->gpio_power, 0); | |
4f534777 | 456 | regcache_mark_dirty(ak4641->regmap); |
00d27010 DA |
457 | break; |
458 | } | |
00d27010 DA |
459 | return 0; |
460 | } | |
461 | ||
462 | #define AK4641_RATES (SNDRV_PCM_RATE_8000_48000) | |
463 | #define AK4641_RATES_BT (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ | |
464 | SNDRV_PCM_RATE_16000) | |
465 | #define AK4641_FORMATS (SNDRV_PCM_FMTBIT_S16_LE) | |
466 | ||
85e7652d | 467 | static const struct snd_soc_dai_ops ak4641_i2s_dai_ops = { |
00d27010 DA |
468 | .hw_params = ak4641_i2s_hw_params, |
469 | .set_fmt = ak4641_i2s_set_dai_fmt, | |
50891431 | 470 | .mute_stream = ak4641_mute, |
00d27010 | 471 | .set_sysclk = ak4641_set_dai_sysclk, |
50891431 | 472 | .no_capture_mute = 1, |
00d27010 DA |
473 | }; |
474 | ||
85e7652d | 475 | static const struct snd_soc_dai_ops ak4641_pcm_dai_ops = { |
00d27010 DA |
476 | .hw_params = NULL, /* rates are controlled by BT chip */ |
477 | .set_fmt = ak4641_pcm_set_dai_fmt, | |
50891431 | 478 | .mute_stream = ak4641_mute, |
00d27010 | 479 | .set_sysclk = ak4641_set_dai_sysclk, |
50891431 | 480 | .no_capture_mute = 1, |
00d27010 DA |
481 | }; |
482 | ||
37aa716a | 483 | static struct snd_soc_dai_driver ak4641_dai[] = { |
00d27010 DA |
484 | { |
485 | .name = "ak4641-hifi", | |
486 | .id = 1, | |
487 | .playback = { | |
488 | .stream_name = "HiFi Playback", | |
489 | .channels_min = 1, | |
490 | .channels_max = 2, | |
491 | .rates = AK4641_RATES, | |
492 | .formats = AK4641_FORMATS, | |
493 | }, | |
494 | .capture = { | |
495 | .stream_name = "HiFi Capture", | |
496 | .channels_min = 1, | |
497 | .channels_max = 2, | |
498 | .rates = AK4641_RATES, | |
499 | .formats = AK4641_FORMATS, | |
500 | }, | |
501 | .ops = &ak4641_i2s_dai_ops, | |
870b76ea | 502 | .symmetric_rate = 1, |
00d27010 DA |
503 | }, |
504 | { | |
505 | .name = "ak4641-voice", | |
506 | .id = 1, | |
507 | .playback = { | |
508 | .stream_name = "Voice Playback", | |
509 | .channels_min = 1, | |
510 | .channels_max = 1, | |
511 | .rates = AK4641_RATES_BT, | |
512 | .formats = AK4641_FORMATS, | |
513 | }, | |
514 | .capture = { | |
515 | .stream_name = "Voice Capture", | |
516 | .channels_min = 1, | |
517 | .channels_max = 1, | |
518 | .rates = AK4641_RATES_BT, | |
519 | .formats = AK4641_FORMATS, | |
520 | }, | |
521 | .ops = &ak4641_pcm_dai_ops, | |
870b76ea | 522 | .symmetric_rate = 1, |
00d27010 DA |
523 | }, |
524 | }; | |
525 | ||
2b5c3e43 KM |
526 | static const struct snd_soc_component_driver soc_component_dev_ak4641 = { |
527 | .controls = ak4641_snd_controls, | |
528 | .num_controls = ARRAY_SIZE(ak4641_snd_controls), | |
529 | .dapm_widgets = ak4641_dapm_widgets, | |
530 | .num_dapm_widgets = ARRAY_SIZE(ak4641_dapm_widgets), | |
531 | .dapm_routes = ak4641_audio_map, | |
532 | .num_dapm_routes = ARRAY_SIZE(ak4641_audio_map), | |
00d27010 | 533 | .set_bias_level = ak4641_set_bias_level, |
2b5c3e43 KM |
534 | .suspend_bias_off = 1, |
535 | .idle_bias_on = 1, | |
536 | .use_pmdown_time = 1, | |
537 | .endianness = 1, | |
538 | .non_legacy_dai_naming = 1, | |
00d27010 DA |
539 | }; |
540 | ||
4f534777 MB |
541 | static const struct regmap_config ak4641_regmap = { |
542 | .reg_bits = 8, | |
543 | .val_bits = 8, | |
544 | ||
545 | .max_register = AK4641_BTIF, | |
546 | .reg_defaults = ak4641_reg_defaults, | |
547 | .num_reg_defaults = ARRAY_SIZE(ak4641_reg_defaults), | |
548 | .cache_type = REGCACHE_RBTREE, | |
549 | }; | |
00d27010 | 550 | |
7a79e94e BP |
551 | static int ak4641_i2c_probe(struct i2c_client *i2c, |
552 | const struct i2c_device_id *id) | |
00d27010 | 553 | { |
253322c1 | 554 | struct ak4641_platform_data *pdata = i2c->dev.platform_data; |
00d27010 DA |
555 | struct ak4641_priv *ak4641; |
556 | int ret; | |
557 | ||
4273fcfd AL |
558 | ak4641 = devm_kzalloc(&i2c->dev, sizeof(struct ak4641_priv), |
559 | GFP_KERNEL); | |
00d27010 DA |
560 | if (!ak4641) |
561 | return -ENOMEM; | |
562 | ||
4f534777 MB |
563 | ak4641->regmap = devm_regmap_init_i2c(i2c, &ak4641_regmap); |
564 | if (IS_ERR(ak4641->regmap)) | |
565 | return PTR_ERR(ak4641->regmap); | |
566 | ||
253322c1 MB |
567 | if (pdata) { |
568 | if (gpio_is_valid(pdata->gpio_power)) { | |
569 | ret = gpio_request_one(pdata->gpio_power, | |
570 | GPIOF_OUT_INIT_LOW, "ak4641 power"); | |
571 | if (ret) | |
572 | goto err_out; | |
573 | } | |
574 | if (gpio_is_valid(pdata->gpio_npdn)) { | |
575 | ret = gpio_request_one(pdata->gpio_npdn, | |
576 | GPIOF_OUT_INIT_LOW, "ak4641 npdn"); | |
577 | if (ret) | |
578 | goto err_gpio; | |
579 | ||
580 | udelay(1); /* > 150 ns */ | |
581 | gpio_set_value(pdata->gpio_npdn, 1); | |
582 | } | |
583 | } | |
584 | ||
00d27010 DA |
585 | i2c_set_clientdata(i2c, ak4641); |
586 | ||
2b5c3e43 KM |
587 | ret = devm_snd_soc_register_component(&i2c->dev, |
588 | &soc_component_dev_ak4641, | |
00d27010 | 589 | ak4641_dai, ARRAY_SIZE(ak4641_dai)); |
253322c1 MB |
590 | if (ret != 0) |
591 | goto err_gpio2; | |
592 | ||
593 | return 0; | |
594 | ||
595 | err_gpio2: | |
596 | if (pdata) { | |
597 | if (gpio_is_valid(pdata->gpio_power)) | |
598 | gpio_set_value(pdata->gpio_power, 0); | |
599 | if (gpio_is_valid(pdata->gpio_npdn)) | |
600 | gpio_free(pdata->gpio_npdn); | |
601 | } | |
602 | err_gpio: | |
603 | if (pdata && gpio_is_valid(pdata->gpio_power)) | |
604 | gpio_free(pdata->gpio_power); | |
605 | err_out: | |
00d27010 DA |
606 | return ret; |
607 | } | |
608 | ||
7a79e94e | 609 | static int ak4641_i2c_remove(struct i2c_client *i2c) |
00d27010 | 610 | { |
253322c1 MB |
611 | struct ak4641_platform_data *pdata = i2c->dev.platform_data; |
612 | ||
253322c1 MB |
613 | if (pdata) { |
614 | if (gpio_is_valid(pdata->gpio_power)) { | |
615 | gpio_set_value(pdata->gpio_power, 0); | |
616 | gpio_free(pdata->gpio_power); | |
617 | } | |
618 | if (gpio_is_valid(pdata->gpio_npdn)) | |
619 | gpio_free(pdata->gpio_npdn); | |
620 | } | |
621 | ||
00d27010 DA |
622 | return 0; |
623 | } | |
624 | ||
625 | static const struct i2c_device_id ak4641_i2c_id[] = { | |
626 | { "ak4641", 0 }, | |
627 | { } | |
628 | }; | |
629 | MODULE_DEVICE_TABLE(i2c, ak4641_i2c_id); | |
630 | ||
631 | static struct i2c_driver ak4641_i2c_driver = { | |
632 | .driver = { | |
633 | .name = "ak4641", | |
00d27010 DA |
634 | }, |
635 | .probe = ak4641_i2c_probe, | |
7a79e94e | 636 | .remove = ak4641_i2c_remove, |
00d27010 DA |
637 | .id_table = ak4641_i2c_id, |
638 | }; | |
639 | ||
a0abacd8 | 640 | module_i2c_driver(ak4641_i2c_driver); |
00d27010 DA |
641 | |
642 | MODULE_DESCRIPTION("SoC AK4641 driver"); | |
643 | MODULE_AUTHOR("Harald Welte <laforge@gnufiish.org>"); | |
644 | MODULE_LICENSE("GPL"); |