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40e0aa64 RP |
1 | /* |
2 | * wm8731.c -- WM8731 ALSA SoC Audio driver | |
3 | * | |
4 | * Copyright 2005 Openedhand Ltd. | |
5 | * | |
6 | * Author: Richard Purdie <richard@openedhand.com> | |
7 | * | |
8 | * Based on wm8753.c by Liam Girdwood | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | */ | |
14 | ||
15 | #include <linux/module.h> | |
16 | #include <linux/moduleparam.h> | |
17 | #include <linux/init.h> | |
18 | #include <linux/delay.h> | |
19 | #include <linux/pm.h> | |
20 | #include <linux/i2c.h> | |
5a0e3ad6 | 21 | #include <linux/slab.h> |
40e0aa64 | 22 | #include <linux/platform_device.h> |
7dea7c01 | 23 | #include <linux/regulator/consumer.h> |
d2a40355 | 24 | #include <linux/spi/spi.h> |
a7f96e4d | 25 | #include <linux/of_device.h> |
40e0aa64 RP |
26 | #include <sound/core.h> |
27 | #include <sound/pcm.h> | |
28 | #include <sound/pcm_params.h> | |
29 | #include <sound/soc.h> | |
40e0aa64 | 30 | #include <sound/initval.h> |
d00efa64 | 31 | #include <sound/tlv.h> |
40e0aa64 RP |
32 | |
33 | #include "wm8731.h" | |
34 | ||
7dea7c01 MB |
35 | #define WM8731_NUM_SUPPLIES 4 |
36 | static const char *wm8731_supply_names[WM8731_NUM_SUPPLIES] = { | |
37 | "AVDD", | |
38 | "HPVDD", | |
39 | "DCVDD", | |
40 | "DBVDD", | |
41 | }; | |
42 | ||
b36d61d4 FM |
43 | /* codec private data */ |
44 | struct wm8731_priv { | |
f0fba2ad | 45 | enum snd_soc_control_type control_type; |
7dea7c01 | 46 | struct regulator_bulk_data supplies[WM8731_NUM_SUPPLIES]; |
b36d61d4 | 47 | unsigned int sysclk; |
9745e824 | 48 | int sysclk_type; |
dd31b310 MB |
49 | int playback_fs; |
50 | bool deemph; | |
b36d61d4 FM |
51 | }; |
52 | ||
a8035c8f | 53 | |
40e0aa64 RP |
54 | /* |
55 | * wm8731 register cache | |
56 | * We can't read the WM8731 register space when we are | |
57 | * using 2 wire for device control, so we cache them instead. | |
58 | * There is no point in caching the reset register | |
59 | */ | |
60 | static const u16 wm8731_reg[WM8731_CACHEREGNUM] = { | |
17a52fd6 MB |
61 | 0x0097, 0x0097, 0x0079, 0x0079, |
62 | 0x000a, 0x0008, 0x009f, 0x000a, | |
63 | 0x0000, 0x0000 | |
40e0aa64 RP |
64 | }; |
65 | ||
17a52fd6 | 66 | #define wm8731_reset(c) snd_soc_write(c, WM8731_RESET, 0) |
40e0aa64 RP |
67 | |
68 | static const char *wm8731_input_select[] = {"Line In", "Mic"}; | |
59f72970 | 69 | |
59f72970 MB |
70 | static const struct soc_enum wm8731_insel_enum = |
71 | SOC_ENUM_SINGLE(WM8731_APANA, 2, 2, wm8731_input_select); | |
72 | ||
dd31b310 MB |
73 | static int wm8731_deemph[] = { 0, 32000, 44100, 48000 }; |
74 | ||
75 | static int wm8731_set_deemph(struct snd_soc_codec *codec) | |
76 | { | |
77 | struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); | |
78 | int val, i, best; | |
79 | ||
80 | /* If we're using deemphasis select the nearest available sample | |
81 | * rate. | |
82 | */ | |
83 | if (wm8731->deemph) { | |
84 | best = 1; | |
85 | for (i = 2; i < ARRAY_SIZE(wm8731_deemph); i++) { | |
86 | if (abs(wm8731_deemph[i] - wm8731->playback_fs) < | |
87 | abs(wm8731_deemph[best] - wm8731->playback_fs)) | |
88 | best = i; | |
89 | } | |
90 | ||
91 | val = best << 1; | |
92 | } else { | |
93 | best = 0; | |
94 | val = 0; | |
95 | } | |
96 | ||
97 | dev_dbg(codec->dev, "Set deemphasis %d (%dHz)\n", | |
98 | best, wm8731_deemph[best]); | |
99 | ||
100 | return snd_soc_update_bits(codec, WM8731_APDIGI, 0x6, val); | |
101 | } | |
102 | ||
103 | static int wm8731_get_deemph(struct snd_kcontrol *kcontrol, | |
104 | struct snd_ctl_elem_value *ucontrol) | |
105 | { | |
106 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
107 | struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); | |
108 | ||
109 | ucontrol->value.enumerated.item[0] = wm8731->deemph; | |
110 | ||
111 | return 0; | |
112 | } | |
113 | ||
114 | static int wm8731_put_deemph(struct snd_kcontrol *kcontrol, | |
115 | struct snd_ctl_elem_value *ucontrol) | |
116 | { | |
117 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
118 | struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); | |
119 | int deemph = ucontrol->value.enumerated.item[0]; | |
120 | int ret = 0; | |
121 | ||
122 | if (deemph > 1) | |
123 | return -EINVAL; | |
124 | ||
125 | mutex_lock(&codec->mutex); | |
126 | if (wm8731->deemph != deemph) { | |
127 | wm8731->deemph = deemph; | |
59f72970 | 128 | |
dd31b310 MB |
129 | wm8731_set_deemph(codec); |
130 | ||
131 | ret = 1; | |
132 | } | |
133 | mutex_unlock(&codec->mutex); | |
134 | ||
135 | return ret; | |
136 | } | |
40e0aa64 | 137 | |
d00efa64 MB |
138 | static const DECLARE_TLV_DB_SCALE(in_tlv, -3450, 150, 0); |
139 | static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -1500, 300, 0); | |
140 | static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1); | |
d921184e | 141 | static const DECLARE_TLV_DB_SCALE(mic_tlv, 0, 2000, 0); |
d00efa64 | 142 | |
40e0aa64 RP |
143 | static const struct snd_kcontrol_new wm8731_snd_controls[] = { |
144 | ||
d00efa64 MB |
145 | SOC_DOUBLE_R_TLV("Master Playback Volume", WM8731_LOUT1V, WM8731_ROUT1V, |
146 | 0, 127, 0, out_tlv), | |
bd903b6e LG |
147 | SOC_DOUBLE_R("Master Playback ZC Switch", WM8731_LOUT1V, WM8731_ROUT1V, |
148 | 7, 1, 0), | |
40e0aa64 | 149 | |
d00efa64 MB |
150 | SOC_DOUBLE_R_TLV("Capture Volume", WM8731_LINVOL, WM8731_RINVOL, 0, 31, 0, |
151 | in_tlv), | |
40e0aa64 RP |
152 | SOC_DOUBLE_R("Line Capture Switch", WM8731_LINVOL, WM8731_RINVOL, 7, 1, 1), |
153 | ||
d921184e | 154 | SOC_SINGLE_TLV("Mic Boost Volume", WM8731_APANA, 0, 1, 0, mic_tlv), |
ef38ed88 | 155 | SOC_SINGLE("Mic Capture Switch", WM8731_APANA, 1, 1, 1), |
40e0aa64 | 156 | |
d00efa64 MB |
157 | SOC_SINGLE_TLV("Sidetone Playback Volume", WM8731_APANA, 6, 3, 1, |
158 | sidetone_tlv), | |
40e0aa64 RP |
159 | |
160 | SOC_SINGLE("ADC High Pass Filter Switch", WM8731_APDIGI, 0, 1, 1), | |
161 | SOC_SINGLE("Store DC Offset Switch", WM8731_APDIGI, 4, 1, 0), | |
162 | ||
dd31b310 MB |
163 | SOC_SINGLE_BOOL_EXT("Playback Deemphasis Switch", 0, |
164 | wm8731_get_deemph, wm8731_put_deemph), | |
40e0aa64 RP |
165 | }; |
166 | ||
40e0aa64 RP |
167 | /* Output Mixer */ |
168 | static const struct snd_kcontrol_new wm8731_output_mixer_controls[] = { | |
169 | SOC_DAPM_SINGLE("Line Bypass Switch", WM8731_APANA, 3, 1, 0), | |
170 | SOC_DAPM_SINGLE("Mic Sidetone Switch", WM8731_APANA, 5, 1, 0), | |
171 | SOC_DAPM_SINGLE("HiFi Playback Switch", WM8731_APANA, 4, 1, 0), | |
172 | }; | |
173 | ||
174 | /* Input mux */ | |
175 | static const struct snd_kcontrol_new wm8731_input_mux_controls = | |
59f72970 | 176 | SOC_DAPM_ENUM("Input Select", wm8731_insel_enum); |
40e0aa64 RP |
177 | |
178 | static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = { | |
8a27bd9a | 179 | SND_SOC_DAPM_SUPPLY("ACTIVE",WM8731_ACTIVE, 0, 0, NULL, 0), |
9745e824 | 180 | SND_SOC_DAPM_SUPPLY("OSC", WM8731_PWR, 5, 1, NULL, 0), |
40e0aa64 RP |
181 | SND_SOC_DAPM_MIXER("Output Mixer", WM8731_PWR, 4, 1, |
182 | &wm8731_output_mixer_controls[0], | |
183 | ARRAY_SIZE(wm8731_output_mixer_controls)), | |
184 | SND_SOC_DAPM_DAC("DAC", "HiFi Playback", WM8731_PWR, 3, 1), | |
185 | SND_SOC_DAPM_OUTPUT("LOUT"), | |
186 | SND_SOC_DAPM_OUTPUT("LHPOUT"), | |
187 | SND_SOC_DAPM_OUTPUT("ROUT"), | |
188 | SND_SOC_DAPM_OUTPUT("RHPOUT"), | |
189 | SND_SOC_DAPM_ADC("ADC", "HiFi Capture", WM8731_PWR, 2, 1), | |
190 | SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, &wm8731_input_mux_controls), | |
191 | SND_SOC_DAPM_PGA("Line Input", WM8731_PWR, 0, 1, NULL, 0), | |
192 | SND_SOC_DAPM_MICBIAS("Mic Bias", WM8731_PWR, 1, 1), | |
193 | SND_SOC_DAPM_INPUT("MICIN"), | |
194 | SND_SOC_DAPM_INPUT("RLINEIN"), | |
195 | SND_SOC_DAPM_INPUT("LLINEIN"), | |
196 | }; | |
197 | ||
9745e824 MB |
198 | static int wm8731_check_osc(struct snd_soc_dapm_widget *source, |
199 | struct snd_soc_dapm_widget *sink) | |
200 | { | |
201 | struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(source->codec); | |
202 | ||
5a195b44 | 203 | return wm8731->sysclk_type == WM8731_SYSCLK_XTAL; |
9745e824 MB |
204 | } |
205 | ||
5e251aec | 206 | static const struct snd_soc_dapm_route wm8731_intercon[] = { |
9745e824 MB |
207 | {"DAC", NULL, "OSC", wm8731_check_osc}, |
208 | {"ADC", NULL, "OSC", wm8731_check_osc}, | |
8a27bd9a MB |
209 | {"DAC", NULL, "ACTIVE"}, |
210 | {"ADC", NULL, "ACTIVE"}, | |
9745e824 | 211 | |
40e0aa64 RP |
212 | /* output mixer */ |
213 | {"Output Mixer", "Line Bypass Switch", "Line Input"}, | |
214 | {"Output Mixer", "HiFi Playback Switch", "DAC"}, | |
215 | {"Output Mixer", "Mic Sidetone Switch", "Mic Bias"}, | |
216 | ||
217 | /* outputs */ | |
218 | {"RHPOUT", NULL, "Output Mixer"}, | |
219 | {"ROUT", NULL, "Output Mixer"}, | |
220 | {"LHPOUT", NULL, "Output Mixer"}, | |
221 | {"LOUT", NULL, "Output Mixer"}, | |
222 | ||
223 | /* input mux */ | |
224 | {"Input Mux", "Line In", "Line Input"}, | |
225 | {"Input Mux", "Mic", "Mic Bias"}, | |
226 | {"ADC", NULL, "Input Mux"}, | |
227 | ||
228 | /* inputs */ | |
229 | {"Line Input", NULL, "LLINEIN"}, | |
230 | {"Line Input", NULL, "RLINEIN"}, | |
231 | {"Mic Bias", NULL, "MICIN"}, | |
40e0aa64 RP |
232 | }; |
233 | ||
40e0aa64 RP |
234 | struct _coeff_div { |
235 | u32 mclk; | |
236 | u32 rate; | |
237 | u16 fs; | |
238 | u8 sr:4; | |
239 | u8 bosr:1; | |
240 | u8 usb:1; | |
241 | }; | |
242 | ||
243 | /* codec mclk clock divider coefficients */ | |
244 | static const struct _coeff_div coeff_div[] = { | |
245 | /* 48k */ | |
246 | {12288000, 48000, 256, 0x0, 0x0, 0x0}, | |
247 | {18432000, 48000, 384, 0x0, 0x1, 0x0}, | |
248 | {12000000, 48000, 250, 0x0, 0x0, 0x1}, | |
249 | ||
250 | /* 32k */ | |
251 | {12288000, 32000, 384, 0x6, 0x0, 0x0}, | |
252 | {18432000, 32000, 576, 0x6, 0x1, 0x0}, | |
298a2c75 | 253 | {12000000, 32000, 375, 0x6, 0x0, 0x1}, |
40e0aa64 RP |
254 | |
255 | /* 8k */ | |
256 | {12288000, 8000, 1536, 0x3, 0x0, 0x0}, | |
257 | {18432000, 8000, 2304, 0x3, 0x1, 0x0}, | |
258 | {11289600, 8000, 1408, 0xb, 0x0, 0x0}, | |
259 | {16934400, 8000, 2112, 0xb, 0x1, 0x0}, | |
260 | {12000000, 8000, 1500, 0x3, 0x0, 0x1}, | |
261 | ||
262 | /* 96k */ | |
263 | {12288000, 96000, 128, 0x7, 0x0, 0x0}, | |
264 | {18432000, 96000, 192, 0x7, 0x1, 0x0}, | |
265 | {12000000, 96000, 125, 0x7, 0x0, 0x1}, | |
266 | ||
267 | /* 44.1k */ | |
268 | {11289600, 44100, 256, 0x8, 0x0, 0x0}, | |
269 | {16934400, 44100, 384, 0x8, 0x1, 0x0}, | |
270 | {12000000, 44100, 272, 0x8, 0x1, 0x1}, | |
271 | ||
272 | /* 88.2k */ | |
273 | {11289600, 88200, 128, 0xf, 0x0, 0x0}, | |
274 | {16934400, 88200, 192, 0xf, 0x1, 0x0}, | |
275 | {12000000, 88200, 136, 0xf, 0x1, 0x1}, | |
276 | }; | |
277 | ||
278 | static inline int get_coeff(int mclk, int rate) | |
279 | { | |
280 | int i; | |
281 | ||
282 | for (i = 0; i < ARRAY_SIZE(coeff_div); i++) { | |
283 | if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk) | |
284 | return i; | |
285 | } | |
286 | return 0; | |
287 | } | |
288 | ||
b36d61d4 | 289 | static int wm8731_hw_params(struct snd_pcm_substream *substream, |
dee89c4d MB |
290 | struct snd_pcm_hw_params *params, |
291 | struct snd_soc_dai *dai) | |
40e0aa64 | 292 | { |
f0fba2ad | 293 | struct snd_soc_codec *codec = dai->codec; |
b2c812e2 | 294 | struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); |
17a52fd6 | 295 | u16 iface = snd_soc_read(codec, WM8731_IFACE) & 0xfff3; |
b36d61d4 FM |
296 | int i = get_coeff(wm8731->sysclk, params_rate(params)); |
297 | u16 srate = (coeff_div[i].sr << 2) | | |
298 | (coeff_div[i].bosr << 1) | coeff_div[i].usb; | |
40e0aa64 | 299 | |
dd31b310 MB |
300 | wm8731->playback_fs = params_rate(params); |
301 | ||
17a52fd6 | 302 | snd_soc_write(codec, WM8731_SRATE, srate); |
b36d61d4 FM |
303 | |
304 | /* bit size */ | |
305 | switch (params_format(params)) { | |
306 | case SNDRV_PCM_FORMAT_S16_LE: | |
307 | break; | |
308 | case SNDRV_PCM_FORMAT_S20_3LE: | |
309 | iface |= 0x0004; | |
310 | break; | |
311 | case SNDRV_PCM_FORMAT_S24_LE: | |
312 | iface |= 0x0008; | |
313 | break; | |
314 | } | |
40e0aa64 | 315 | |
dd31b310 MB |
316 | wm8731_set_deemph(codec); |
317 | ||
17a52fd6 | 318 | snd_soc_write(codec, WM8731_IFACE, iface); |
b36d61d4 | 319 | return 0; |
40e0aa64 RP |
320 | } |
321 | ||
e550e17f | 322 | static int wm8731_mute(struct snd_soc_dai *dai, int mute) |
b36d61d4 FM |
323 | { |
324 | struct snd_soc_codec *codec = dai->codec; | |
17a52fd6 | 325 | u16 mute_reg = snd_soc_read(codec, WM8731_APDIGI) & 0xfff7; |
b36d61d4 FM |
326 | |
327 | if (mute) | |
17a52fd6 | 328 | snd_soc_write(codec, WM8731_APDIGI, mute_reg | 0x8); |
b36d61d4 | 329 | else |
17a52fd6 | 330 | snd_soc_write(codec, WM8731_APDIGI, mute_reg); |
b36d61d4 FM |
331 | return 0; |
332 | } | |
333 | ||
e550e17f | 334 | static int wm8731_set_dai_sysclk(struct snd_soc_dai *codec_dai, |
b36d61d4 FM |
335 | int clk_id, unsigned int freq, int dir) |
336 | { | |
337 | struct snd_soc_codec *codec = codec_dai->codec; | |
b2c812e2 | 338 | struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); |
b36d61d4 | 339 | |
9745e824 MB |
340 | switch (clk_id) { |
341 | case WM8731_SYSCLK_XTAL: | |
342 | case WM8731_SYSCLK_MCLK: | |
343 | wm8731->sysclk_type = clk_id; | |
344 | break; | |
345 | default: | |
346 | return -EINVAL; | |
347 | } | |
348 | ||
b36d61d4 FM |
349 | switch (freq) { |
350 | case 11289600: | |
351 | case 12000000: | |
352 | case 12288000: | |
353 | case 16934400: | |
354 | case 18432000: | |
355 | wm8731->sysclk = freq; | |
9745e824 MB |
356 | break; |
357 | default: | |
358 | return -EINVAL; | |
b36d61d4 | 359 | } |
9745e824 | 360 | |
ce6120cc | 361 | snd_soc_dapm_sync(&codec->dapm); |
9745e824 MB |
362 | |
363 | return 0; | |
b36d61d4 FM |
364 | } |
365 | ||
366 | ||
e550e17f | 367 | static int wm8731_set_dai_fmt(struct snd_soc_dai *codec_dai, |
b36d61d4 FM |
368 | unsigned int fmt) |
369 | { | |
370 | struct snd_soc_codec *codec = codec_dai->codec; | |
371 | u16 iface = 0; | |
40e0aa64 RP |
372 | |
373 | /* set master/slave audio interface */ | |
b36d61d4 | 374 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { |
40e0aa64 RP |
375 | case SND_SOC_DAIFMT_CBM_CFM: |
376 | iface |= 0x0040; | |
377 | break; | |
378 | case SND_SOC_DAIFMT_CBS_CFS: | |
379 | break; | |
b36d61d4 FM |
380 | default: |
381 | return -EINVAL; | |
40e0aa64 | 382 | } |
40e0aa64 RP |
383 | |
384 | /* interface format */ | |
b36d61d4 | 385 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
40e0aa64 RP |
386 | case SND_SOC_DAIFMT_I2S: |
387 | iface |= 0x0002; | |
388 | break; | |
389 | case SND_SOC_DAIFMT_RIGHT_J: | |
390 | break; | |
391 | case SND_SOC_DAIFMT_LEFT_J: | |
392 | iface |= 0x0001; | |
393 | break; | |
394 | case SND_SOC_DAIFMT_DSP_A: | |
395 | iface |= 0x0003; | |
396 | break; | |
397 | case SND_SOC_DAIFMT_DSP_B: | |
398 | iface |= 0x0013; | |
399 | break; | |
b36d61d4 FM |
400 | default: |
401 | return -EINVAL; | |
40e0aa64 RP |
402 | } |
403 | ||
404 | /* clock inversion */ | |
b36d61d4 | 405 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { |
40e0aa64 RP |
406 | case SND_SOC_DAIFMT_NB_NF: |
407 | break; | |
408 | case SND_SOC_DAIFMT_IB_IF: | |
409 | iface |= 0x0090; | |
410 | break; | |
411 | case SND_SOC_DAIFMT_IB_NF: | |
412 | iface |= 0x0080; | |
413 | break; | |
414 | case SND_SOC_DAIFMT_NB_IF: | |
415 | iface |= 0x0010; | |
416 | break; | |
b36d61d4 FM |
417 | default: |
418 | return -EINVAL; | |
40e0aa64 RP |
419 | } |
420 | ||
421 | /* set iface */ | |
17a52fd6 | 422 | snd_soc_write(codec, WM8731_IFACE, iface); |
40e0aa64 RP |
423 | return 0; |
424 | } | |
425 | ||
0be9898a MB |
426 | static int wm8731_set_bias_level(struct snd_soc_codec *codec, |
427 | enum snd_soc_bias_level level) | |
40e0aa64 | 428 | { |
06ae9988 | 429 | struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); |
9bf311fe | 430 | int ret; |
22d22ee5 | 431 | u16 reg; |
40e0aa64 | 432 | |
0be9898a MB |
433 | switch (level) { |
434 | case SND_SOC_BIAS_ON: | |
40e0aa64 | 435 | break; |
0be9898a | 436 | case SND_SOC_BIAS_PREPARE: |
40e0aa64 | 437 | break; |
0be9898a | 438 | case SND_SOC_BIAS_STANDBY: |
ce6120cc | 439 | if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { |
06ae9988 MB |
440 | ret = regulator_bulk_enable(ARRAY_SIZE(wm8731->supplies), |
441 | wm8731->supplies); | |
442 | if (ret != 0) | |
443 | return ret; | |
444 | ||
9bf311fe | 445 | snd_soc_cache_sync(codec); |
06ae9988 MB |
446 | } |
447 | ||
22d22ee5 | 448 | /* Clear PWROFF, gate CLKOUT, everything else as-is */ |
17a52fd6 MB |
449 | reg = snd_soc_read(codec, WM8731_PWR) & 0xff7f; |
450 | snd_soc_write(codec, WM8731_PWR, reg | 0x0040); | |
40e0aa64 | 451 | break; |
0be9898a | 452 | case SND_SOC_BIAS_OFF: |
17a52fd6 | 453 | snd_soc_write(codec, WM8731_PWR, 0xffff); |
06ae9988 MB |
454 | regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), |
455 | wm8731->supplies); | |
ed3e80c4 | 456 | codec->cache_sync = 1; |
40e0aa64 RP |
457 | break; |
458 | } | |
ce6120cc | 459 | codec->dapm.bias_level = level; |
40e0aa64 RP |
460 | return 0; |
461 | } | |
462 | ||
e135443e | 463 | #define WM8731_RATES SNDRV_PCM_RATE_8000_96000 |
b36d61d4 FM |
464 | |
465 | #define WM8731_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ | |
466 | SNDRV_PCM_FMTBIT_S24_LE) | |
467 | ||
6335d055 | 468 | static struct snd_soc_dai_ops wm8731_dai_ops = { |
6335d055 | 469 | .hw_params = wm8731_hw_params, |
6335d055 EM |
470 | .digital_mute = wm8731_mute, |
471 | .set_sysclk = wm8731_set_dai_sysclk, | |
472 | .set_fmt = wm8731_set_dai_fmt, | |
473 | }; | |
474 | ||
f0fba2ad LG |
475 | static struct snd_soc_dai_driver wm8731_dai = { |
476 | .name = "wm8731-hifi", | |
40e0aa64 RP |
477 | .playback = { |
478 | .stream_name = "Playback", | |
479 | .channels_min = 1, | |
480 | .channels_max = 2, | |
b36d61d4 FM |
481 | .rates = WM8731_RATES, |
482 | .formats = WM8731_FORMATS,}, | |
40e0aa64 RP |
483 | .capture = { |
484 | .stream_name = "Capture", | |
485 | .channels_min = 1, | |
486 | .channels_max = 2, | |
b36d61d4 FM |
487 | .rates = WM8731_RATES, |
488 | .formats = WM8731_FORMATS,}, | |
6335d055 | 489 | .ops = &wm8731_dai_ops, |
4934482d | 490 | .symmetric_rates = 1, |
40e0aa64 | 491 | }; |
40e0aa64 | 492 | |
b3b50b3f | 493 | #ifdef CONFIG_PM |
f0fba2ad | 494 | static int wm8731_suspend(struct snd_soc_codec *codec, pm_message_t state) |
40e0aa64 | 495 | { |
0be9898a | 496 | wm8731_set_bias_level(codec, SND_SOC_BIAS_OFF); |
06ae9988 | 497 | |
40e0aa64 RP |
498 | return 0; |
499 | } | |
500 | ||
f0fba2ad | 501 | static int wm8731_resume(struct snd_soc_codec *codec) |
40e0aa64 | 502 | { |
0be9898a | 503 | wm8731_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
7dea7c01 | 504 | |
40e0aa64 RP |
505 | return 0; |
506 | } | |
b3b50b3f MB |
507 | #else |
508 | #define wm8731_suspend NULL | |
509 | #define wm8731_resume NULL | |
510 | #endif | |
40e0aa64 | 511 | |
f0fba2ad | 512 | static int wm8731_probe(struct snd_soc_codec *codec) |
40e0aa64 | 513 | { |
f0fba2ad LG |
514 | struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); |
515 | int ret = 0, i; | |
5998102b | 516 | |
f0fba2ad | 517 | ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8731->control_type); |
17a52fd6 MB |
518 | if (ret < 0) { |
519 | dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); | |
f0fba2ad | 520 | return ret; |
17a52fd6 MB |
521 | } |
522 | ||
7dea7c01 MB |
523 | for (i = 0; i < ARRAY_SIZE(wm8731->supplies); i++) |
524 | wm8731->supplies[i].supply = wm8731_supply_names[i]; | |
525 | ||
526 | ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8731->supplies), | |
527 | wm8731->supplies); | |
528 | if (ret != 0) { | |
529 | dev_err(codec->dev, "Failed to request supplies: %d\n", ret); | |
f0fba2ad | 530 | return ret; |
7dea7c01 MB |
531 | } |
532 | ||
533 | ret = regulator_bulk_enable(ARRAY_SIZE(wm8731->supplies), | |
534 | wm8731->supplies); | |
535 | if (ret != 0) { | |
536 | dev_err(codec->dev, "Failed to enable supplies: %d\n", ret); | |
537 | goto err_regulator_get; | |
538 | } | |
539 | ||
519cf2df MB |
540 | ret = wm8731_reset(codec); |
541 | if (ret < 0) { | |
fe5422fc | 542 | dev_err(codec->dev, "Failed to issue reset: %d\n", ret); |
7dea7c01 | 543 | goto err_regulator_enable; |
519cf2df MB |
544 | } |
545 | ||
5998102b MB |
546 | wm8731_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
547 | ||
548 | /* Latch the update bits */ | |
17a52fd6 MB |
549 | snd_soc_update_bits(codec, WM8731_LOUT1V, 0x100, 0); |
550 | snd_soc_update_bits(codec, WM8731_ROUT1V, 0x100, 0); | |
551 | snd_soc_update_bits(codec, WM8731_LINVOL, 0x100, 0); | |
552 | snd_soc_update_bits(codec, WM8731_RINVOL, 0x100, 0); | |
5998102b | 553 | |
ce3bdaa8 | 554 | /* Disable bypass path by default */ |
2062ea52 | 555 | snd_soc_update_bits(codec, WM8731_APANA, 0x8, 0); |
ce3bdaa8 | 556 | |
f0fba2ad LG |
557 | snd_soc_add_controls(codec, wm8731_snd_controls, |
558 | ARRAY_SIZE(wm8731_snd_controls)); | |
a8035c8f | 559 | |
06ae9988 MB |
560 | /* Regulators will have been enabled by bias management */ |
561 | regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies); | |
562 | ||
a8035c8f | 563 | return 0; |
fe5422fc | 564 | |
7dea7c01 MB |
565 | err_regulator_enable: |
566 | regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies); | |
567 | err_regulator_get: | |
568 | regulator_bulk_free(ARRAY_SIZE(wm8731->supplies), wm8731->supplies); | |
f0fba2ad | 569 | |
fe5422fc | 570 | return ret; |
a8035c8f MB |
571 | } |
572 | ||
f0fba2ad LG |
573 | /* power down chip */ |
574 | static int wm8731_remove(struct snd_soc_codec *codec) | |
5998102b | 575 | { |
f0fba2ad LG |
576 | struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); |
577 | ||
578 | wm8731_set_bias_level(codec, SND_SOC_BIAS_OFF); | |
579 | ||
580 | regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies); | |
7dea7c01 | 581 | regulator_bulk_free(ARRAY_SIZE(wm8731->supplies), wm8731->supplies); |
f0fba2ad LG |
582 | |
583 | return 0; | |
5998102b | 584 | } |
a8035c8f | 585 | |
f0fba2ad LG |
586 | static struct snd_soc_codec_driver soc_codec_dev_wm8731 = { |
587 | .probe = wm8731_probe, | |
588 | .remove = wm8731_remove, | |
589 | .suspend = wm8731_suspend, | |
590 | .resume = wm8731_resume, | |
591 | .set_bias_level = wm8731_set_bias_level, | |
e5eec34c | 592 | .reg_cache_size = ARRAY_SIZE(wm8731_reg), |
f0fba2ad LG |
593 | .reg_word_size = sizeof(u16), |
594 | .reg_cache_default = wm8731_reg, | |
5e251aec MB |
595 | .dapm_widgets = wm8731_dapm_widgets, |
596 | .num_dapm_widgets = ARRAY_SIZE(wm8731_dapm_widgets), | |
597 | .dapm_routes = wm8731_intercon, | |
598 | .num_dapm_routes = ARRAY_SIZE(wm8731_intercon), | |
f0fba2ad LG |
599 | }; |
600 | ||
a7f96e4d MB |
601 | static const struct of_device_id wm8731_of_match[] = { |
602 | { .compatible = "wlf,wm8731", }, | |
603 | { } | |
604 | }; | |
605 | ||
606 | MODULE_DEVICE_TABLE(of, wm8731_of_match); | |
607 | ||
5998102b | 608 | #if defined(CONFIG_SPI_MASTER) |
5998102b MB |
609 | static int __devinit wm8731_spi_probe(struct spi_device *spi) |
610 | { | |
5998102b | 611 | struct wm8731_priv *wm8731; |
f0fba2ad | 612 | int ret; |
5998102b MB |
613 | |
614 | wm8731 = kzalloc(sizeof(struct wm8731_priv), GFP_KERNEL); | |
615 | if (wm8731 == NULL) | |
616 | return -ENOMEM; | |
617 | ||
f0fba2ad LG |
618 | wm8731->control_type = SND_SOC_SPI; |
619 | spi_set_drvdata(spi, wm8731); | |
93b760b7 | 620 | |
f0fba2ad LG |
621 | ret = snd_soc_register_codec(&spi->dev, |
622 | &soc_codec_dev_wm8731, &wm8731_dai, 1); | |
623 | if (ret < 0) | |
624 | kfree(wm8731); | |
625 | return ret; | |
5998102b MB |
626 | } |
627 | ||
628 | static int __devexit wm8731_spi_remove(struct spi_device *spi) | |
629 | { | |
f0fba2ad LG |
630 | snd_soc_unregister_codec(&spi->dev); |
631 | kfree(spi_get_drvdata(spi)); | |
5998102b MB |
632 | return 0; |
633 | } | |
634 | ||
635 | static struct spi_driver wm8731_spi_driver = { | |
636 | .driver = { | |
99b59f3c | 637 | .name = "wm8731", |
5998102b | 638 | .owner = THIS_MODULE, |
a7f96e4d | 639 | .of_match_table = wm8731_of_match, |
5998102b MB |
640 | }, |
641 | .probe = wm8731_spi_probe, | |
642 | .remove = __devexit_p(wm8731_spi_remove), | |
643 | }; | |
a8035c8f MB |
644 | #endif /* CONFIG_SPI_MASTER */ |
645 | ||
646 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) | |
c6f29811 MB |
647 | static __devinit int wm8731_i2c_probe(struct i2c_client *i2c, |
648 | const struct i2c_device_id *id) | |
a8035c8f | 649 | { |
5998102b | 650 | struct wm8731_priv *wm8731; |
f0fba2ad | 651 | int ret; |
a8035c8f | 652 | |
5998102b MB |
653 | wm8731 = kzalloc(sizeof(struct wm8731_priv), GFP_KERNEL); |
654 | if (wm8731 == NULL) | |
655 | return -ENOMEM; | |
656 | ||
5998102b | 657 | i2c_set_clientdata(i2c, wm8731); |
f0fba2ad | 658 | wm8731->control_type = SND_SOC_I2C; |
a8035c8f | 659 | |
f0fba2ad LG |
660 | ret = snd_soc_register_codec(&i2c->dev, |
661 | &soc_codec_dev_wm8731, &wm8731_dai, 1); | |
662 | if (ret < 0) | |
663 | kfree(wm8731); | |
664 | return ret; | |
a8035c8f MB |
665 | } |
666 | ||
c6f29811 | 667 | static __devexit int wm8731_i2c_remove(struct i2c_client *client) |
a8035c8f | 668 | { |
f0fba2ad LG |
669 | snd_soc_unregister_codec(&client->dev); |
670 | kfree(i2c_get_clientdata(client)); | |
a8035c8f MB |
671 | return 0; |
672 | } | |
673 | ||
674 | static const struct i2c_device_id wm8731_i2c_id[] = { | |
675 | { "wm8731", 0 }, | |
676 | { } | |
677 | }; | |
678 | MODULE_DEVICE_TABLE(i2c, wm8731_i2c_id); | |
679 | ||
680 | static struct i2c_driver wm8731_i2c_driver = { | |
681 | .driver = { | |
99b59f3c | 682 | .name = "wm8731", |
a8035c8f | 683 | .owner = THIS_MODULE, |
a7f96e4d | 684 | .of_match_table = wm8731_of_match, |
a8035c8f MB |
685 | }, |
686 | .probe = wm8731_i2c_probe, | |
c6f29811 | 687 | .remove = __devexit_p(wm8731_i2c_remove), |
a8035c8f MB |
688 | .id_table = wm8731_i2c_id, |
689 | }; | |
690 | #endif | |
691 | ||
c9b3a40f | 692 | static int __init wm8731_modinit(void) |
64089b84 | 693 | { |
f0fba2ad | 694 | int ret = 0; |
5998102b MB |
695 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
696 | ret = i2c_add_driver(&wm8731_i2c_driver); | |
697 | if (ret != 0) { | |
698 | printk(KERN_ERR "Failed to register WM8731 I2C driver: %d\n", | |
699 | ret); | |
700 | } | |
701 | #endif | |
702 | #if defined(CONFIG_SPI_MASTER) | |
703 | ret = spi_register_driver(&wm8731_spi_driver); | |
704 | if (ret != 0) { | |
705 | printk(KERN_ERR "Failed to register WM8731 SPI driver: %d\n", | |
706 | ret); | |
707 | } | |
708 | #endif | |
f0fba2ad | 709 | return ret; |
64089b84 MB |
710 | } |
711 | module_init(wm8731_modinit); | |
712 | ||
713 | static void __exit wm8731_exit(void) | |
714 | { | |
5998102b MB |
715 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
716 | i2c_del_driver(&wm8731_i2c_driver); | |
717 | #endif | |
718 | #if defined(CONFIG_SPI_MASTER) | |
719 | spi_unregister_driver(&wm8731_spi_driver); | |
720 | #endif | |
64089b84 MB |
721 | } |
722 | module_exit(wm8731_exit); | |
723 | ||
40e0aa64 RP |
724 | MODULE_DESCRIPTION("ASoC WM8731 driver"); |
725 | MODULE_AUTHOR("Richard Purdie"); | |
726 | MODULE_LICENSE("GPL"); |