Commit | Line | Data |
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40e0aa64 RP |
1 | /* |
2 | * wm8731.c -- WM8731 ALSA SoC Audio driver | |
3 | * | |
4 | * Copyright 2005 Openedhand Ltd. | |
656baaeb | 5 | * Copyright 2006-12 Wolfson Microelectronics, plc |
40e0aa64 RP |
6 | * |
7 | * Author: Richard Purdie <richard@openedhand.com> | |
8 | * | |
9 | * Based on wm8753.c by Liam Girdwood | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License version 2 as | |
13 | * published by the Free Software Foundation. | |
14 | */ | |
15 | ||
16 | #include <linux/module.h> | |
17 | #include <linux/moduleparam.h> | |
18 | #include <linux/init.h> | |
19 | #include <linux/delay.h> | |
20 | #include <linux/pm.h> | |
21 | #include <linux/i2c.h> | |
5a0e3ad6 | 22 | #include <linux/slab.h> |
05d448e2 | 23 | #include <linux/regmap.h> |
7dea7c01 | 24 | #include <linux/regulator/consumer.h> |
d2a40355 | 25 | #include <linux/spi/spi.h> |
a7f96e4d | 26 | #include <linux/of_device.h> |
40e0aa64 RP |
27 | #include <sound/core.h> |
28 | #include <sound/pcm.h> | |
29 | #include <sound/pcm_params.h> | |
30 | #include <sound/soc.h> | |
40e0aa64 | 31 | #include <sound/initval.h> |
d00efa64 | 32 | #include <sound/tlv.h> |
40e0aa64 RP |
33 | |
34 | #include "wm8731.h" | |
35 | ||
7dea7c01 MB |
36 | #define WM8731_NUM_SUPPLIES 4 |
37 | static const char *wm8731_supply_names[WM8731_NUM_SUPPLIES] = { | |
38 | "AVDD", | |
39 | "HPVDD", | |
40 | "DCVDD", | |
41 | "DBVDD", | |
42 | }; | |
43 | ||
b36d61d4 FM |
44 | /* codec private data */ |
45 | struct wm8731_priv { | |
05d448e2 | 46 | struct regmap *regmap; |
7dea7c01 | 47 | struct regulator_bulk_data supplies[WM8731_NUM_SUPPLIES]; |
b36d61d4 | 48 | unsigned int sysclk; |
9745e824 | 49 | int sysclk_type; |
dd31b310 MB |
50 | int playback_fs; |
51 | bool deemph; | |
b36d61d4 FM |
52 | }; |
53 | ||
a8035c8f | 54 | |
40e0aa64 RP |
55 | /* |
56 | * wm8731 register cache | |
40e0aa64 | 57 | */ |
05d448e2 MB |
58 | static const struct reg_default wm8731_reg_defaults[] = { |
59 | { 0, 0x0097 }, | |
60 | { 1, 0x0097 }, | |
61 | { 2, 0x0079 }, | |
62 | { 3, 0x0079 }, | |
63 | { 4, 0x000a }, | |
64 | { 5, 0x0008 }, | |
65 | { 6, 0x009f }, | |
66 | { 7, 0x000a }, | |
67 | { 8, 0x0000 }, | |
68 | { 9, 0x0000 }, | |
40e0aa64 RP |
69 | }; |
70 | ||
05d448e2 MB |
71 | static bool wm8731_volatile(struct device *dev, unsigned int reg) |
72 | { | |
73 | return reg == WM8731_RESET; | |
74 | } | |
75 | ||
76 | static bool wm8731_writeable(struct device *dev, unsigned int reg) | |
77 | { | |
78 | return reg <= WM8731_RESET; | |
79 | } | |
80 | ||
17a52fd6 | 81 | #define wm8731_reset(c) snd_soc_write(c, WM8731_RESET, 0) |
40e0aa64 RP |
82 | |
83 | static const char *wm8731_input_select[] = {"Line In", "Mic"}; | |
59f72970 | 84 | |
59f72970 MB |
85 | static const struct soc_enum wm8731_insel_enum = |
86 | SOC_ENUM_SINGLE(WM8731_APANA, 2, 2, wm8731_input_select); | |
87 | ||
dd31b310 MB |
88 | static int wm8731_deemph[] = { 0, 32000, 44100, 48000 }; |
89 | ||
90 | static int wm8731_set_deemph(struct snd_soc_codec *codec) | |
91 | { | |
92 | struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); | |
93 | int val, i, best; | |
94 | ||
95 | /* If we're using deemphasis select the nearest available sample | |
96 | * rate. | |
97 | */ | |
98 | if (wm8731->deemph) { | |
99 | best = 1; | |
100 | for (i = 2; i < ARRAY_SIZE(wm8731_deemph); i++) { | |
101 | if (abs(wm8731_deemph[i] - wm8731->playback_fs) < | |
102 | abs(wm8731_deemph[best] - wm8731->playback_fs)) | |
103 | best = i; | |
104 | } | |
105 | ||
106 | val = best << 1; | |
107 | } else { | |
108 | best = 0; | |
109 | val = 0; | |
110 | } | |
111 | ||
112 | dev_dbg(codec->dev, "Set deemphasis %d (%dHz)\n", | |
113 | best, wm8731_deemph[best]); | |
114 | ||
115 | return snd_soc_update_bits(codec, WM8731_APDIGI, 0x6, val); | |
116 | } | |
117 | ||
118 | static int wm8731_get_deemph(struct snd_kcontrol *kcontrol, | |
119 | struct snd_ctl_elem_value *ucontrol) | |
120 | { | |
121 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
122 | struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); | |
123 | ||
124 | ucontrol->value.enumerated.item[0] = wm8731->deemph; | |
125 | ||
126 | return 0; | |
127 | } | |
128 | ||
129 | static int wm8731_put_deemph(struct snd_kcontrol *kcontrol, | |
130 | struct snd_ctl_elem_value *ucontrol) | |
131 | { | |
132 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
133 | struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); | |
134 | int deemph = ucontrol->value.enumerated.item[0]; | |
135 | int ret = 0; | |
136 | ||
137 | if (deemph > 1) | |
138 | return -EINVAL; | |
139 | ||
140 | mutex_lock(&codec->mutex); | |
141 | if (wm8731->deemph != deemph) { | |
142 | wm8731->deemph = deemph; | |
59f72970 | 143 | |
dd31b310 MB |
144 | wm8731_set_deemph(codec); |
145 | ||
146 | ret = 1; | |
147 | } | |
148 | mutex_unlock(&codec->mutex); | |
149 | ||
150 | return ret; | |
151 | } | |
40e0aa64 | 152 | |
d00efa64 MB |
153 | static const DECLARE_TLV_DB_SCALE(in_tlv, -3450, 150, 0); |
154 | static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -1500, 300, 0); | |
155 | static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1); | |
d921184e | 156 | static const DECLARE_TLV_DB_SCALE(mic_tlv, 0, 2000, 0); |
d00efa64 | 157 | |
40e0aa64 RP |
158 | static const struct snd_kcontrol_new wm8731_snd_controls[] = { |
159 | ||
d00efa64 MB |
160 | SOC_DOUBLE_R_TLV("Master Playback Volume", WM8731_LOUT1V, WM8731_ROUT1V, |
161 | 0, 127, 0, out_tlv), | |
bd903b6e LG |
162 | SOC_DOUBLE_R("Master Playback ZC Switch", WM8731_LOUT1V, WM8731_ROUT1V, |
163 | 7, 1, 0), | |
40e0aa64 | 164 | |
d00efa64 MB |
165 | SOC_DOUBLE_R_TLV("Capture Volume", WM8731_LINVOL, WM8731_RINVOL, 0, 31, 0, |
166 | in_tlv), | |
40e0aa64 RP |
167 | SOC_DOUBLE_R("Line Capture Switch", WM8731_LINVOL, WM8731_RINVOL, 7, 1, 1), |
168 | ||
d921184e | 169 | SOC_SINGLE_TLV("Mic Boost Volume", WM8731_APANA, 0, 1, 0, mic_tlv), |
ef38ed88 | 170 | SOC_SINGLE("Mic Capture Switch", WM8731_APANA, 1, 1, 1), |
40e0aa64 | 171 | |
d00efa64 MB |
172 | SOC_SINGLE_TLV("Sidetone Playback Volume", WM8731_APANA, 6, 3, 1, |
173 | sidetone_tlv), | |
40e0aa64 RP |
174 | |
175 | SOC_SINGLE("ADC High Pass Filter Switch", WM8731_APDIGI, 0, 1, 1), | |
176 | SOC_SINGLE("Store DC Offset Switch", WM8731_APDIGI, 4, 1, 0), | |
177 | ||
dd31b310 MB |
178 | SOC_SINGLE_BOOL_EXT("Playback Deemphasis Switch", 0, |
179 | wm8731_get_deemph, wm8731_put_deemph), | |
40e0aa64 RP |
180 | }; |
181 | ||
40e0aa64 RP |
182 | /* Output Mixer */ |
183 | static const struct snd_kcontrol_new wm8731_output_mixer_controls[] = { | |
184 | SOC_DAPM_SINGLE("Line Bypass Switch", WM8731_APANA, 3, 1, 0), | |
185 | SOC_DAPM_SINGLE("Mic Sidetone Switch", WM8731_APANA, 5, 1, 0), | |
186 | SOC_DAPM_SINGLE("HiFi Playback Switch", WM8731_APANA, 4, 1, 0), | |
187 | }; | |
188 | ||
189 | /* Input mux */ | |
190 | static const struct snd_kcontrol_new wm8731_input_mux_controls = | |
59f72970 | 191 | SOC_DAPM_ENUM("Input Select", wm8731_insel_enum); |
40e0aa64 RP |
192 | |
193 | static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = { | |
8a27bd9a | 194 | SND_SOC_DAPM_SUPPLY("ACTIVE",WM8731_ACTIVE, 0, 0, NULL, 0), |
9745e824 | 195 | SND_SOC_DAPM_SUPPLY("OSC", WM8731_PWR, 5, 1, NULL, 0), |
40e0aa64 RP |
196 | SND_SOC_DAPM_MIXER("Output Mixer", WM8731_PWR, 4, 1, |
197 | &wm8731_output_mixer_controls[0], | |
198 | ARRAY_SIZE(wm8731_output_mixer_controls)), | |
199 | SND_SOC_DAPM_DAC("DAC", "HiFi Playback", WM8731_PWR, 3, 1), | |
200 | SND_SOC_DAPM_OUTPUT("LOUT"), | |
201 | SND_SOC_DAPM_OUTPUT("LHPOUT"), | |
202 | SND_SOC_DAPM_OUTPUT("ROUT"), | |
203 | SND_SOC_DAPM_OUTPUT("RHPOUT"), | |
204 | SND_SOC_DAPM_ADC("ADC", "HiFi Capture", WM8731_PWR, 2, 1), | |
205 | SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, &wm8731_input_mux_controls), | |
206 | SND_SOC_DAPM_PGA("Line Input", WM8731_PWR, 0, 1, NULL, 0), | |
207 | SND_SOC_DAPM_MICBIAS("Mic Bias", WM8731_PWR, 1, 1), | |
208 | SND_SOC_DAPM_INPUT("MICIN"), | |
209 | SND_SOC_DAPM_INPUT("RLINEIN"), | |
210 | SND_SOC_DAPM_INPUT("LLINEIN"), | |
211 | }; | |
212 | ||
9745e824 MB |
213 | static int wm8731_check_osc(struct snd_soc_dapm_widget *source, |
214 | struct snd_soc_dapm_widget *sink) | |
215 | { | |
216 | struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(source->codec); | |
217 | ||
5a195b44 | 218 | return wm8731->sysclk_type == WM8731_SYSCLK_XTAL; |
9745e824 MB |
219 | } |
220 | ||
5e251aec | 221 | static const struct snd_soc_dapm_route wm8731_intercon[] = { |
9745e824 MB |
222 | {"DAC", NULL, "OSC", wm8731_check_osc}, |
223 | {"ADC", NULL, "OSC", wm8731_check_osc}, | |
8a27bd9a MB |
224 | {"DAC", NULL, "ACTIVE"}, |
225 | {"ADC", NULL, "ACTIVE"}, | |
9745e824 | 226 | |
40e0aa64 RP |
227 | /* output mixer */ |
228 | {"Output Mixer", "Line Bypass Switch", "Line Input"}, | |
229 | {"Output Mixer", "HiFi Playback Switch", "DAC"}, | |
230 | {"Output Mixer", "Mic Sidetone Switch", "Mic Bias"}, | |
231 | ||
232 | /* outputs */ | |
233 | {"RHPOUT", NULL, "Output Mixer"}, | |
234 | {"ROUT", NULL, "Output Mixer"}, | |
235 | {"LHPOUT", NULL, "Output Mixer"}, | |
236 | {"LOUT", NULL, "Output Mixer"}, | |
237 | ||
238 | /* input mux */ | |
239 | {"Input Mux", "Line In", "Line Input"}, | |
240 | {"Input Mux", "Mic", "Mic Bias"}, | |
241 | {"ADC", NULL, "Input Mux"}, | |
242 | ||
243 | /* inputs */ | |
244 | {"Line Input", NULL, "LLINEIN"}, | |
245 | {"Line Input", NULL, "RLINEIN"}, | |
246 | {"Mic Bias", NULL, "MICIN"}, | |
40e0aa64 RP |
247 | }; |
248 | ||
40e0aa64 RP |
249 | struct _coeff_div { |
250 | u32 mclk; | |
251 | u32 rate; | |
252 | u16 fs; | |
253 | u8 sr:4; | |
254 | u8 bosr:1; | |
255 | u8 usb:1; | |
256 | }; | |
257 | ||
258 | /* codec mclk clock divider coefficients */ | |
259 | static const struct _coeff_div coeff_div[] = { | |
260 | /* 48k */ | |
261 | {12288000, 48000, 256, 0x0, 0x0, 0x0}, | |
262 | {18432000, 48000, 384, 0x0, 0x1, 0x0}, | |
263 | {12000000, 48000, 250, 0x0, 0x0, 0x1}, | |
264 | ||
265 | /* 32k */ | |
266 | {12288000, 32000, 384, 0x6, 0x0, 0x0}, | |
267 | {18432000, 32000, 576, 0x6, 0x1, 0x0}, | |
298a2c75 | 268 | {12000000, 32000, 375, 0x6, 0x0, 0x1}, |
40e0aa64 RP |
269 | |
270 | /* 8k */ | |
271 | {12288000, 8000, 1536, 0x3, 0x0, 0x0}, | |
272 | {18432000, 8000, 2304, 0x3, 0x1, 0x0}, | |
273 | {11289600, 8000, 1408, 0xb, 0x0, 0x0}, | |
274 | {16934400, 8000, 2112, 0xb, 0x1, 0x0}, | |
275 | {12000000, 8000, 1500, 0x3, 0x0, 0x1}, | |
276 | ||
277 | /* 96k */ | |
278 | {12288000, 96000, 128, 0x7, 0x0, 0x0}, | |
279 | {18432000, 96000, 192, 0x7, 0x1, 0x0}, | |
280 | {12000000, 96000, 125, 0x7, 0x0, 0x1}, | |
281 | ||
282 | /* 44.1k */ | |
283 | {11289600, 44100, 256, 0x8, 0x0, 0x0}, | |
284 | {16934400, 44100, 384, 0x8, 0x1, 0x0}, | |
285 | {12000000, 44100, 272, 0x8, 0x1, 0x1}, | |
286 | ||
287 | /* 88.2k */ | |
288 | {11289600, 88200, 128, 0xf, 0x0, 0x0}, | |
289 | {16934400, 88200, 192, 0xf, 0x1, 0x0}, | |
290 | {12000000, 88200, 136, 0xf, 0x1, 0x1}, | |
291 | }; | |
292 | ||
293 | static inline int get_coeff(int mclk, int rate) | |
294 | { | |
295 | int i; | |
296 | ||
297 | for (i = 0; i < ARRAY_SIZE(coeff_div); i++) { | |
298 | if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk) | |
299 | return i; | |
300 | } | |
301 | return 0; | |
302 | } | |
303 | ||
b36d61d4 | 304 | static int wm8731_hw_params(struct snd_pcm_substream *substream, |
dee89c4d MB |
305 | struct snd_pcm_hw_params *params, |
306 | struct snd_soc_dai *dai) | |
40e0aa64 | 307 | { |
f0fba2ad | 308 | struct snd_soc_codec *codec = dai->codec; |
b2c812e2 | 309 | struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); |
17a52fd6 | 310 | u16 iface = snd_soc_read(codec, WM8731_IFACE) & 0xfff3; |
b36d61d4 FM |
311 | int i = get_coeff(wm8731->sysclk, params_rate(params)); |
312 | u16 srate = (coeff_div[i].sr << 2) | | |
313 | (coeff_div[i].bosr << 1) | coeff_div[i].usb; | |
40e0aa64 | 314 | |
dd31b310 MB |
315 | wm8731->playback_fs = params_rate(params); |
316 | ||
17a52fd6 | 317 | snd_soc_write(codec, WM8731_SRATE, srate); |
b36d61d4 FM |
318 | |
319 | /* bit size */ | |
320 | switch (params_format(params)) { | |
321 | case SNDRV_PCM_FORMAT_S16_LE: | |
322 | break; | |
323 | case SNDRV_PCM_FORMAT_S20_3LE: | |
324 | iface |= 0x0004; | |
325 | break; | |
326 | case SNDRV_PCM_FORMAT_S24_LE: | |
327 | iface |= 0x0008; | |
328 | break; | |
329 | } | |
40e0aa64 | 330 | |
dd31b310 MB |
331 | wm8731_set_deemph(codec); |
332 | ||
17a52fd6 | 333 | snd_soc_write(codec, WM8731_IFACE, iface); |
b36d61d4 | 334 | return 0; |
40e0aa64 RP |
335 | } |
336 | ||
e550e17f | 337 | static int wm8731_mute(struct snd_soc_dai *dai, int mute) |
b36d61d4 FM |
338 | { |
339 | struct snd_soc_codec *codec = dai->codec; | |
17a52fd6 | 340 | u16 mute_reg = snd_soc_read(codec, WM8731_APDIGI) & 0xfff7; |
b36d61d4 FM |
341 | |
342 | if (mute) | |
17a52fd6 | 343 | snd_soc_write(codec, WM8731_APDIGI, mute_reg | 0x8); |
b36d61d4 | 344 | else |
17a52fd6 | 345 | snd_soc_write(codec, WM8731_APDIGI, mute_reg); |
b36d61d4 FM |
346 | return 0; |
347 | } | |
348 | ||
e550e17f | 349 | static int wm8731_set_dai_sysclk(struct snd_soc_dai *codec_dai, |
b36d61d4 FM |
350 | int clk_id, unsigned int freq, int dir) |
351 | { | |
352 | struct snd_soc_codec *codec = codec_dai->codec; | |
b2c812e2 | 353 | struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); |
b36d61d4 | 354 | |
9745e824 MB |
355 | switch (clk_id) { |
356 | case WM8731_SYSCLK_XTAL: | |
357 | case WM8731_SYSCLK_MCLK: | |
358 | wm8731->sysclk_type = clk_id; | |
359 | break; | |
360 | default: | |
361 | return -EINVAL; | |
362 | } | |
363 | ||
b36d61d4 FM |
364 | switch (freq) { |
365 | case 11289600: | |
366 | case 12000000: | |
367 | case 12288000: | |
368 | case 16934400: | |
369 | case 18432000: | |
370 | wm8731->sysclk = freq; | |
9745e824 MB |
371 | break; |
372 | default: | |
373 | return -EINVAL; | |
b36d61d4 | 374 | } |
9745e824 | 375 | |
ce6120cc | 376 | snd_soc_dapm_sync(&codec->dapm); |
9745e824 MB |
377 | |
378 | return 0; | |
b36d61d4 FM |
379 | } |
380 | ||
381 | ||
e550e17f | 382 | static int wm8731_set_dai_fmt(struct snd_soc_dai *codec_dai, |
b36d61d4 FM |
383 | unsigned int fmt) |
384 | { | |
385 | struct snd_soc_codec *codec = codec_dai->codec; | |
386 | u16 iface = 0; | |
40e0aa64 RP |
387 | |
388 | /* set master/slave audio interface */ | |
b36d61d4 | 389 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { |
40e0aa64 RP |
390 | case SND_SOC_DAIFMT_CBM_CFM: |
391 | iface |= 0x0040; | |
392 | break; | |
393 | case SND_SOC_DAIFMT_CBS_CFS: | |
394 | break; | |
b36d61d4 FM |
395 | default: |
396 | return -EINVAL; | |
40e0aa64 | 397 | } |
40e0aa64 RP |
398 | |
399 | /* interface format */ | |
b36d61d4 | 400 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
40e0aa64 RP |
401 | case SND_SOC_DAIFMT_I2S: |
402 | iface |= 0x0002; | |
403 | break; | |
404 | case SND_SOC_DAIFMT_RIGHT_J: | |
405 | break; | |
406 | case SND_SOC_DAIFMT_LEFT_J: | |
407 | iface |= 0x0001; | |
408 | break; | |
409 | case SND_SOC_DAIFMT_DSP_A: | |
410 | iface |= 0x0003; | |
411 | break; | |
412 | case SND_SOC_DAIFMT_DSP_B: | |
413 | iface |= 0x0013; | |
414 | break; | |
b36d61d4 FM |
415 | default: |
416 | return -EINVAL; | |
40e0aa64 RP |
417 | } |
418 | ||
419 | /* clock inversion */ | |
b36d61d4 | 420 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { |
40e0aa64 RP |
421 | case SND_SOC_DAIFMT_NB_NF: |
422 | break; | |
423 | case SND_SOC_DAIFMT_IB_IF: | |
424 | iface |= 0x0090; | |
425 | break; | |
426 | case SND_SOC_DAIFMT_IB_NF: | |
427 | iface |= 0x0080; | |
428 | break; | |
429 | case SND_SOC_DAIFMT_NB_IF: | |
430 | iface |= 0x0010; | |
431 | break; | |
b36d61d4 FM |
432 | default: |
433 | return -EINVAL; | |
40e0aa64 RP |
434 | } |
435 | ||
436 | /* set iface */ | |
17a52fd6 | 437 | snd_soc_write(codec, WM8731_IFACE, iface); |
40e0aa64 RP |
438 | return 0; |
439 | } | |
440 | ||
0be9898a MB |
441 | static int wm8731_set_bias_level(struct snd_soc_codec *codec, |
442 | enum snd_soc_bias_level level) | |
40e0aa64 | 443 | { |
06ae9988 | 444 | struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); |
9bf311fe | 445 | int ret; |
22d22ee5 | 446 | u16 reg; |
40e0aa64 | 447 | |
0be9898a MB |
448 | switch (level) { |
449 | case SND_SOC_BIAS_ON: | |
40e0aa64 | 450 | break; |
0be9898a | 451 | case SND_SOC_BIAS_PREPARE: |
40e0aa64 | 452 | break; |
0be9898a | 453 | case SND_SOC_BIAS_STANDBY: |
ce6120cc | 454 | if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { |
06ae9988 MB |
455 | ret = regulator_bulk_enable(ARRAY_SIZE(wm8731->supplies), |
456 | wm8731->supplies); | |
457 | if (ret != 0) | |
458 | return ret; | |
459 | ||
05d448e2 | 460 | regcache_sync(wm8731->regmap); |
06ae9988 MB |
461 | } |
462 | ||
22d22ee5 | 463 | /* Clear PWROFF, gate CLKOUT, everything else as-is */ |
17a52fd6 MB |
464 | reg = snd_soc_read(codec, WM8731_PWR) & 0xff7f; |
465 | snd_soc_write(codec, WM8731_PWR, reg | 0x0040); | |
40e0aa64 | 466 | break; |
0be9898a | 467 | case SND_SOC_BIAS_OFF: |
17a52fd6 | 468 | snd_soc_write(codec, WM8731_PWR, 0xffff); |
06ae9988 MB |
469 | regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), |
470 | wm8731->supplies); | |
05d448e2 | 471 | regcache_mark_dirty(wm8731->regmap); |
40e0aa64 RP |
472 | break; |
473 | } | |
ce6120cc | 474 | codec->dapm.bias_level = level; |
40e0aa64 RP |
475 | return 0; |
476 | } | |
477 | ||
e135443e | 478 | #define WM8731_RATES SNDRV_PCM_RATE_8000_96000 |
b36d61d4 FM |
479 | |
480 | #define WM8731_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ | |
481 | SNDRV_PCM_FMTBIT_S24_LE) | |
482 | ||
85e7652d | 483 | static const struct snd_soc_dai_ops wm8731_dai_ops = { |
6335d055 | 484 | .hw_params = wm8731_hw_params, |
6335d055 EM |
485 | .digital_mute = wm8731_mute, |
486 | .set_sysclk = wm8731_set_dai_sysclk, | |
487 | .set_fmt = wm8731_set_dai_fmt, | |
488 | }; | |
489 | ||
f0fba2ad LG |
490 | static struct snd_soc_dai_driver wm8731_dai = { |
491 | .name = "wm8731-hifi", | |
40e0aa64 RP |
492 | .playback = { |
493 | .stream_name = "Playback", | |
494 | .channels_min = 1, | |
495 | .channels_max = 2, | |
b36d61d4 FM |
496 | .rates = WM8731_RATES, |
497 | .formats = WM8731_FORMATS,}, | |
40e0aa64 RP |
498 | .capture = { |
499 | .stream_name = "Capture", | |
500 | .channels_min = 1, | |
501 | .channels_max = 2, | |
b36d61d4 FM |
502 | .rates = WM8731_RATES, |
503 | .formats = WM8731_FORMATS,}, | |
6335d055 | 504 | .ops = &wm8731_dai_ops, |
4934482d | 505 | .symmetric_rates = 1, |
40e0aa64 | 506 | }; |
40e0aa64 | 507 | |
b3b50b3f | 508 | #ifdef CONFIG_PM |
84b315ee | 509 | static int wm8731_suspend(struct snd_soc_codec *codec) |
40e0aa64 | 510 | { |
0be9898a | 511 | wm8731_set_bias_level(codec, SND_SOC_BIAS_OFF); |
06ae9988 | 512 | |
40e0aa64 RP |
513 | return 0; |
514 | } | |
515 | ||
f0fba2ad | 516 | static int wm8731_resume(struct snd_soc_codec *codec) |
40e0aa64 | 517 | { |
0be9898a | 518 | wm8731_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
7dea7c01 | 519 | |
40e0aa64 RP |
520 | return 0; |
521 | } | |
b3b50b3f MB |
522 | #else |
523 | #define wm8731_suspend NULL | |
524 | #define wm8731_resume NULL | |
525 | #endif | |
40e0aa64 | 526 | |
f0fba2ad | 527 | static int wm8731_probe(struct snd_soc_codec *codec) |
40e0aa64 | 528 | { |
f0fba2ad LG |
529 | struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); |
530 | int ret = 0, i; | |
5998102b | 531 | |
05d448e2 MB |
532 | codec->control_data = wm8731->regmap; |
533 | ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_REGMAP); | |
17a52fd6 MB |
534 | if (ret < 0) { |
535 | dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); | |
f0fba2ad | 536 | return ret; |
17a52fd6 MB |
537 | } |
538 | ||
7dea7c01 MB |
539 | for (i = 0; i < ARRAY_SIZE(wm8731->supplies); i++) |
540 | wm8731->supplies[i].supply = wm8731_supply_names[i]; | |
541 | ||
542 | ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8731->supplies), | |
543 | wm8731->supplies); | |
544 | if (ret != 0) { | |
545 | dev_err(codec->dev, "Failed to request supplies: %d\n", ret); | |
f0fba2ad | 546 | return ret; |
7dea7c01 MB |
547 | } |
548 | ||
549 | ret = regulator_bulk_enable(ARRAY_SIZE(wm8731->supplies), | |
550 | wm8731->supplies); | |
551 | if (ret != 0) { | |
552 | dev_err(codec->dev, "Failed to enable supplies: %d\n", ret); | |
553 | goto err_regulator_get; | |
554 | } | |
555 | ||
519cf2df MB |
556 | ret = wm8731_reset(codec); |
557 | if (ret < 0) { | |
fe5422fc | 558 | dev_err(codec->dev, "Failed to issue reset: %d\n", ret); |
7dea7c01 | 559 | goto err_regulator_enable; |
519cf2df MB |
560 | } |
561 | ||
5998102b MB |
562 | wm8731_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
563 | ||
564 | /* Latch the update bits */ | |
17a52fd6 MB |
565 | snd_soc_update_bits(codec, WM8731_LOUT1V, 0x100, 0); |
566 | snd_soc_update_bits(codec, WM8731_ROUT1V, 0x100, 0); | |
567 | snd_soc_update_bits(codec, WM8731_LINVOL, 0x100, 0); | |
568 | snd_soc_update_bits(codec, WM8731_RINVOL, 0x100, 0); | |
5998102b | 569 | |
ce3bdaa8 | 570 | /* Disable bypass path by default */ |
2062ea52 | 571 | snd_soc_update_bits(codec, WM8731_APANA, 0x8, 0); |
ce3bdaa8 | 572 | |
06ae9988 MB |
573 | /* Regulators will have been enabled by bias management */ |
574 | regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies); | |
575 | ||
a8035c8f | 576 | return 0; |
fe5422fc | 577 | |
7dea7c01 MB |
578 | err_regulator_enable: |
579 | regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies); | |
580 | err_regulator_get: | |
581 | regulator_bulk_free(ARRAY_SIZE(wm8731->supplies), wm8731->supplies); | |
f0fba2ad | 582 | |
fe5422fc | 583 | return ret; |
a8035c8f MB |
584 | } |
585 | ||
f0fba2ad LG |
586 | /* power down chip */ |
587 | static int wm8731_remove(struct snd_soc_codec *codec) | |
5998102b | 588 | { |
f0fba2ad LG |
589 | struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); |
590 | ||
591 | wm8731_set_bias_level(codec, SND_SOC_BIAS_OFF); | |
592 | ||
593 | regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies); | |
7dea7c01 | 594 | regulator_bulk_free(ARRAY_SIZE(wm8731->supplies), wm8731->supplies); |
f0fba2ad LG |
595 | |
596 | return 0; | |
5998102b | 597 | } |
a8035c8f | 598 | |
f0fba2ad LG |
599 | static struct snd_soc_codec_driver soc_codec_dev_wm8731 = { |
600 | .probe = wm8731_probe, | |
601 | .remove = wm8731_remove, | |
602 | .suspend = wm8731_suspend, | |
603 | .resume = wm8731_resume, | |
604 | .set_bias_level = wm8731_set_bias_level, | |
5e251aec MB |
605 | .dapm_widgets = wm8731_dapm_widgets, |
606 | .num_dapm_widgets = ARRAY_SIZE(wm8731_dapm_widgets), | |
607 | .dapm_routes = wm8731_intercon, | |
608 | .num_dapm_routes = ARRAY_SIZE(wm8731_intercon), | |
cb555318 MB |
609 | .controls = wm8731_snd_controls, |
610 | .num_controls = ARRAY_SIZE(wm8731_snd_controls), | |
f0fba2ad LG |
611 | }; |
612 | ||
a7f96e4d MB |
613 | static const struct of_device_id wm8731_of_match[] = { |
614 | { .compatible = "wlf,wm8731", }, | |
615 | { } | |
616 | }; | |
617 | ||
618 | MODULE_DEVICE_TABLE(of, wm8731_of_match); | |
619 | ||
05d448e2 MB |
620 | static const struct regmap_config wm8731_regmap = { |
621 | .reg_bits = 7, | |
622 | .val_bits = 9, | |
623 | ||
624 | .max_register = WM8731_RESET, | |
625 | .volatile_reg = wm8731_volatile, | |
626 | .writeable_reg = wm8731_writeable, | |
627 | ||
628 | .cache_type = REGCACHE_RBTREE, | |
629 | .reg_defaults = wm8731_reg_defaults, | |
630 | .num_reg_defaults = ARRAY_SIZE(wm8731_reg_defaults), | |
631 | }; | |
632 | ||
5998102b | 633 | #if defined(CONFIG_SPI_MASTER) |
5998102b MB |
634 | static int __devinit wm8731_spi_probe(struct spi_device *spi) |
635 | { | |
5998102b | 636 | struct wm8731_priv *wm8731; |
f0fba2ad | 637 | int ret; |
5998102b | 638 | |
f1992dde MB |
639 | wm8731 = devm_kzalloc(&spi->dev, sizeof(struct wm8731_priv), |
640 | GFP_KERNEL); | |
5998102b MB |
641 | if (wm8731 == NULL) |
642 | return -ENOMEM; | |
643 | ||
f1992dde | 644 | wm8731->regmap = devm_regmap_init_spi(spi, &wm8731_regmap); |
05d448e2 MB |
645 | if (IS_ERR(wm8731->regmap)) { |
646 | ret = PTR_ERR(wm8731->regmap); | |
647 | dev_err(&spi->dev, "Failed to allocate register map: %d\n", | |
648 | ret); | |
f1992dde | 649 | return ret; |
05d448e2 MB |
650 | } |
651 | ||
f0fba2ad | 652 | spi_set_drvdata(spi, wm8731); |
93b760b7 | 653 | |
f0fba2ad LG |
654 | ret = snd_soc_register_codec(&spi->dev, |
655 | &soc_codec_dev_wm8731, &wm8731_dai, 1); | |
05d448e2 MB |
656 | if (ret != 0) { |
657 | dev_err(&spi->dev, "Failed to register CODEC: %d\n", ret); | |
f1992dde | 658 | return ret; |
05d448e2 MB |
659 | } |
660 | ||
661 | return 0; | |
5998102b MB |
662 | } |
663 | ||
664 | static int __devexit wm8731_spi_remove(struct spi_device *spi) | |
665 | { | |
f0fba2ad | 666 | snd_soc_unregister_codec(&spi->dev); |
5998102b MB |
667 | return 0; |
668 | } | |
669 | ||
670 | static struct spi_driver wm8731_spi_driver = { | |
671 | .driver = { | |
99b59f3c | 672 | .name = "wm8731", |
5998102b | 673 | .owner = THIS_MODULE, |
a7f96e4d | 674 | .of_match_table = wm8731_of_match, |
5998102b MB |
675 | }, |
676 | .probe = wm8731_spi_probe, | |
677 | .remove = __devexit_p(wm8731_spi_remove), | |
678 | }; | |
a8035c8f MB |
679 | #endif /* CONFIG_SPI_MASTER */ |
680 | ||
681 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) | |
c6f29811 MB |
682 | static __devinit int wm8731_i2c_probe(struct i2c_client *i2c, |
683 | const struct i2c_device_id *id) | |
a8035c8f | 684 | { |
5998102b | 685 | struct wm8731_priv *wm8731; |
f0fba2ad | 686 | int ret; |
a8035c8f | 687 | |
f1992dde MB |
688 | wm8731 = devm_kzalloc(&i2c->dev, sizeof(struct wm8731_priv), |
689 | GFP_KERNEL); | |
5998102b MB |
690 | if (wm8731 == NULL) |
691 | return -ENOMEM; | |
692 | ||
f1992dde | 693 | wm8731->regmap = devm_regmap_init_i2c(i2c, &wm8731_regmap); |
05d448e2 MB |
694 | if (IS_ERR(wm8731->regmap)) { |
695 | ret = PTR_ERR(wm8731->regmap); | |
696 | dev_err(&i2c->dev, "Failed to allocate register map: %d\n", | |
697 | ret); | |
f1992dde | 698 | return ret; |
05d448e2 MB |
699 | } |
700 | ||
5998102b | 701 | i2c_set_clientdata(i2c, wm8731); |
a8035c8f | 702 | |
05d448e2 | 703 | ret = snd_soc_register_codec(&i2c->dev, |
f0fba2ad | 704 | &soc_codec_dev_wm8731, &wm8731_dai, 1); |
05d448e2 MB |
705 | if (ret != 0) { |
706 | dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret); | |
f1992dde | 707 | return ret; |
05d448e2 MB |
708 | } |
709 | ||
710 | return 0; | |
a8035c8f MB |
711 | } |
712 | ||
c6f29811 | 713 | static __devexit int wm8731_i2c_remove(struct i2c_client *client) |
a8035c8f | 714 | { |
f0fba2ad | 715 | snd_soc_unregister_codec(&client->dev); |
a8035c8f MB |
716 | return 0; |
717 | } | |
718 | ||
719 | static const struct i2c_device_id wm8731_i2c_id[] = { | |
720 | { "wm8731", 0 }, | |
721 | { } | |
722 | }; | |
723 | MODULE_DEVICE_TABLE(i2c, wm8731_i2c_id); | |
724 | ||
725 | static struct i2c_driver wm8731_i2c_driver = { | |
726 | .driver = { | |
99b59f3c | 727 | .name = "wm8731", |
a8035c8f | 728 | .owner = THIS_MODULE, |
a7f96e4d | 729 | .of_match_table = wm8731_of_match, |
a8035c8f MB |
730 | }, |
731 | .probe = wm8731_i2c_probe, | |
c6f29811 | 732 | .remove = __devexit_p(wm8731_i2c_remove), |
a8035c8f MB |
733 | .id_table = wm8731_i2c_id, |
734 | }; | |
735 | #endif | |
736 | ||
c9b3a40f | 737 | static int __init wm8731_modinit(void) |
64089b84 | 738 | { |
f0fba2ad | 739 | int ret = 0; |
5998102b MB |
740 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
741 | ret = i2c_add_driver(&wm8731_i2c_driver); | |
742 | if (ret != 0) { | |
743 | printk(KERN_ERR "Failed to register WM8731 I2C driver: %d\n", | |
744 | ret); | |
745 | } | |
746 | #endif | |
747 | #if defined(CONFIG_SPI_MASTER) | |
748 | ret = spi_register_driver(&wm8731_spi_driver); | |
749 | if (ret != 0) { | |
750 | printk(KERN_ERR "Failed to register WM8731 SPI driver: %d\n", | |
751 | ret); | |
752 | } | |
753 | #endif | |
f0fba2ad | 754 | return ret; |
64089b84 MB |
755 | } |
756 | module_init(wm8731_modinit); | |
757 | ||
758 | static void __exit wm8731_exit(void) | |
759 | { | |
5998102b MB |
760 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
761 | i2c_del_driver(&wm8731_i2c_driver); | |
762 | #endif | |
763 | #if defined(CONFIG_SPI_MASTER) | |
764 | spi_unregister_driver(&wm8731_spi_driver); | |
765 | #endif | |
64089b84 MB |
766 | } |
767 | module_exit(wm8731_exit); | |
768 | ||
40e0aa64 RP |
769 | MODULE_DESCRIPTION("ASoC WM8731 driver"); |
770 | MODULE_AUTHOR("Richard Purdie"); | |
771 | MODULE_LICENSE("GPL"); |