Commit | Line | Data |
---|---|---|
5d421516 MB |
1 | /* |
2 | * wm8510.c -- WM8510 ALSA Soc Audio driver | |
3 | * | |
4 | * Copyright 2006 Wolfson Microelectronics PLC. | |
5 | * | |
d331124d | 6 | * Author: Liam Girdwood <lrg@slimlogic.co.uk> |
5d421516 MB |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License version 2 as | |
10 | * published by the Free Software Foundation. | |
11 | */ | |
12 | ||
13 | #include <linux/module.h> | |
14 | #include <linux/moduleparam.h> | |
15 | #include <linux/kernel.h> | |
16 | #include <linux/init.h> | |
17 | #include <linux/delay.h> | |
18 | #include <linux/pm.h> | |
19 | #include <linux/i2c.h> | |
5e357952 | 20 | #include <linux/spi/spi.h> |
5a0e3ad6 | 21 | #include <linux/slab.h> |
0a422e1a | 22 | #include <linux/of_device.h> |
e643049d | 23 | #include <linux/regmap.h> |
5d421516 MB |
24 | #include <sound/core.h> |
25 | #include <sound/pcm.h> | |
26 | #include <sound/pcm_params.h> | |
27 | #include <sound/soc.h> | |
5d421516 MB |
28 | #include <sound/initval.h> |
29 | ||
30 | #include "wm8510.h" | |
31 | ||
5d421516 MB |
32 | /* |
33 | * wm8510 register cache | |
34 | * We can't read the WM8510 register space when we are | |
35 | * using 2 wire for device control, so we cache them instead. | |
36 | */ | |
e643049d MB |
37 | static const struct reg_default wm8510_reg_defaults[] = { |
38 | { 1, 0x0000 }, | |
39 | { 2, 0x0000 }, | |
40 | { 3, 0x0000 }, | |
41 | { 4, 0x0050 }, | |
42 | { 5, 0x0000 }, | |
43 | { 6, 0x0140 }, | |
44 | { 7, 0x0000 }, | |
45 | { 8, 0x0000 }, | |
46 | { 9, 0x0000 }, | |
47 | { 10, 0x0000 }, | |
48 | { 11, 0x00ff }, | |
49 | { 12, 0x0000 }, | |
50 | { 13, 0x0000 }, | |
51 | { 14, 0x0100 }, | |
52 | { 15, 0x00ff }, | |
53 | { 16, 0x0000 }, | |
54 | { 17, 0x0000 }, | |
55 | { 18, 0x012c }, | |
56 | { 19, 0x002c }, | |
57 | { 20, 0x002c }, | |
58 | { 21, 0x002c }, | |
59 | { 22, 0x002c }, | |
60 | { 23, 0x0000 }, | |
61 | { 24, 0x0032 }, | |
62 | { 25, 0x0000 }, | |
63 | { 26, 0x0000 }, | |
64 | { 27, 0x0000 }, | |
65 | { 28, 0x0000 }, | |
66 | { 29, 0x0000 }, | |
67 | { 30, 0x0000 }, | |
68 | { 31, 0x0000 }, | |
69 | { 32, 0x0038 }, | |
70 | { 33, 0x000b }, | |
71 | { 34, 0x0032 }, | |
72 | { 35, 0x0000 }, | |
73 | { 36, 0x0008 }, | |
74 | { 37, 0x000c }, | |
75 | { 38, 0x0093 }, | |
76 | { 39, 0x00e9 }, | |
77 | { 40, 0x0000 }, | |
78 | { 41, 0x0000 }, | |
79 | { 42, 0x0000 }, | |
80 | { 43, 0x0000 }, | |
81 | { 44, 0x0003 }, | |
82 | { 45, 0x0010 }, | |
83 | { 46, 0x0000 }, | |
84 | { 47, 0x0000 }, | |
85 | { 48, 0x0000 }, | |
86 | { 49, 0x0002 }, | |
87 | { 50, 0x0001 }, | |
88 | { 51, 0x0000 }, | |
89 | { 52, 0x0000 }, | |
90 | { 53, 0x0000 }, | |
91 | { 54, 0x0039 }, | |
92 | { 55, 0x0000 }, | |
93 | { 56, 0x0001 }, | |
5d421516 MB |
94 | }; |
95 | ||
e643049d MB |
96 | static bool wm8510_volatile(struct device *dev, unsigned int reg) |
97 | { | |
98 | switch (reg) { | |
99 | case WM8510_RESET: | |
100 | return true; | |
101 | default: | |
102 | return false; | |
103 | } | |
104 | } | |
105 | ||
09af98b0 MB |
106 | #define WM8510_POWER1_BIASEN 0x08 |
107 | #define WM8510_POWER1_BUFIOEN 0x10 | |
108 | ||
17a52fd6 | 109 | #define wm8510_reset(c) snd_soc_write(c, WM8510_RESET, 0) |
5d421516 | 110 | |
f0fba2ad LG |
111 | /* codec private data */ |
112 | struct wm8510_priv { | |
e643049d | 113 | struct regmap *regmap; |
f0fba2ad LG |
114 | }; |
115 | ||
5d421516 MB |
116 | static const char *wm8510_companding[] = { "Off", "NC", "u-law", "A-law" }; |
117 | static const char *wm8510_deemp[] = { "None", "32kHz", "44.1kHz", "48kHz" }; | |
118 | static const char *wm8510_alc[] = { "ALC", "Limiter" }; | |
119 | ||
120 | static const struct soc_enum wm8510_enum[] = { | |
121 | SOC_ENUM_SINGLE(WM8510_COMP, 1, 4, wm8510_companding), /* adc */ | |
122 | SOC_ENUM_SINGLE(WM8510_COMP, 3, 4, wm8510_companding), /* dac */ | |
123 | SOC_ENUM_SINGLE(WM8510_DAC, 4, 4, wm8510_deemp), | |
124 | SOC_ENUM_SINGLE(WM8510_ALC3, 8, 2, wm8510_alc), | |
125 | }; | |
126 | ||
127 | static const struct snd_kcontrol_new wm8510_snd_controls[] = { | |
128 | ||
129 | SOC_SINGLE("Digital Loopback Switch", WM8510_COMP, 0, 1, 0), | |
130 | ||
131 | SOC_ENUM("DAC Companding", wm8510_enum[1]), | |
132 | SOC_ENUM("ADC Companding", wm8510_enum[0]), | |
133 | ||
134 | SOC_ENUM("Playback De-emphasis", wm8510_enum[2]), | |
135 | SOC_SINGLE("DAC Inversion Switch", WM8510_DAC, 0, 1, 0), | |
136 | ||
137 | SOC_SINGLE("Master Playback Volume", WM8510_DACVOL, 0, 127, 0), | |
138 | ||
139 | SOC_SINGLE("High Pass Filter Switch", WM8510_ADC, 8, 1, 0), | |
140 | SOC_SINGLE("High Pass Cut Off", WM8510_ADC, 4, 7, 0), | |
141 | SOC_SINGLE("ADC Inversion Switch", WM8510_COMP, 0, 1, 0), | |
142 | ||
143 | SOC_SINGLE("Capture Volume", WM8510_ADCVOL, 0, 127, 0), | |
144 | ||
145 | SOC_SINGLE("DAC Playback Limiter Switch", WM8510_DACLIM1, 8, 1, 0), | |
146 | SOC_SINGLE("DAC Playback Limiter Decay", WM8510_DACLIM1, 4, 15, 0), | |
147 | SOC_SINGLE("DAC Playback Limiter Attack", WM8510_DACLIM1, 0, 15, 0), | |
148 | ||
149 | SOC_SINGLE("DAC Playback Limiter Threshold", WM8510_DACLIM2, 4, 7, 0), | |
150 | SOC_SINGLE("DAC Playback Limiter Boost", WM8510_DACLIM2, 0, 15, 0), | |
151 | ||
152 | SOC_SINGLE("ALC Enable Switch", WM8510_ALC1, 8, 1, 0), | |
153 | SOC_SINGLE("ALC Capture Max Gain", WM8510_ALC1, 3, 7, 0), | |
154 | SOC_SINGLE("ALC Capture Min Gain", WM8510_ALC1, 0, 7, 0), | |
155 | ||
156 | SOC_SINGLE("ALC Capture ZC Switch", WM8510_ALC2, 8, 1, 0), | |
157 | SOC_SINGLE("ALC Capture Hold", WM8510_ALC2, 4, 7, 0), | |
158 | SOC_SINGLE("ALC Capture Target", WM8510_ALC2, 0, 15, 0), | |
159 | ||
160 | SOC_ENUM("ALC Capture Mode", wm8510_enum[3]), | |
161 | SOC_SINGLE("ALC Capture Decay", WM8510_ALC3, 4, 15, 0), | |
162 | SOC_SINGLE("ALC Capture Attack", WM8510_ALC3, 0, 15, 0), | |
163 | ||
164 | SOC_SINGLE("ALC Capture Noise Gate Switch", WM8510_NGATE, 3, 1, 0), | |
165 | SOC_SINGLE("ALC Capture Noise Gate Threshold", WM8510_NGATE, 0, 7, 0), | |
166 | ||
167 | SOC_SINGLE("Capture PGA ZC Switch", WM8510_INPPGA, 7, 1, 0), | |
168 | SOC_SINGLE("Capture PGA Volume", WM8510_INPPGA, 0, 63, 0), | |
169 | ||
170 | SOC_SINGLE("Speaker Playback ZC Switch", WM8510_SPKVOL, 7, 1, 0), | |
171 | SOC_SINGLE("Speaker Playback Switch", WM8510_SPKVOL, 6, 1, 1), | |
172 | SOC_SINGLE("Speaker Playback Volume", WM8510_SPKVOL, 0, 63, 0), | |
173 | SOC_SINGLE("Speaker Boost", WM8510_OUTPUT, 2, 1, 0), | |
174 | ||
175 | SOC_SINGLE("Capture Boost(+20dB)", WM8510_ADCBOOST, 8, 1, 0), | |
176 | SOC_SINGLE("Mono Playback Switch", WM8510_MONOMIX, 6, 1, 1), | |
177 | }; | |
178 | ||
5d421516 MB |
179 | /* Speaker Output Mixer */ |
180 | static const struct snd_kcontrol_new wm8510_speaker_mixer_controls[] = { | |
181 | SOC_DAPM_SINGLE("Line Bypass Switch", WM8510_SPKMIX, 1, 1, 0), | |
182 | SOC_DAPM_SINGLE("Aux Playback Switch", WM8510_SPKMIX, 5, 1, 0), | |
183 | SOC_DAPM_SINGLE("PCM Playback Switch", WM8510_SPKMIX, 0, 1, 0), | |
184 | }; | |
185 | ||
186 | /* Mono Output Mixer */ | |
187 | static const struct snd_kcontrol_new wm8510_mono_mixer_controls[] = { | |
188 | SOC_DAPM_SINGLE("Line Bypass Switch", WM8510_MONOMIX, 1, 1, 0), | |
189 | SOC_DAPM_SINGLE("Aux Playback Switch", WM8510_MONOMIX, 2, 1, 0), | |
190 | SOC_DAPM_SINGLE("PCM Playback Switch", WM8510_MONOMIX, 0, 1, 0), | |
191 | }; | |
192 | ||
193 | static const struct snd_kcontrol_new wm8510_boost_controls[] = { | |
8ae23ec3 | 194 | SOC_DAPM_SINGLE("Mic PGA Switch", WM8510_INPPGA, 6, 1, 1), |
5d421516 MB |
195 | SOC_DAPM_SINGLE("Aux Volume", WM8510_ADCBOOST, 0, 7, 0), |
196 | SOC_DAPM_SINGLE("Mic Volume", WM8510_ADCBOOST, 4, 7, 0), | |
197 | }; | |
198 | ||
199 | static const struct snd_kcontrol_new wm8510_micpga_controls[] = { | |
200 | SOC_DAPM_SINGLE("MICP Switch", WM8510_INPUT, 0, 1, 0), | |
201 | SOC_DAPM_SINGLE("MICN Switch", WM8510_INPUT, 1, 1, 0), | |
202 | SOC_DAPM_SINGLE("AUX Switch", WM8510_INPUT, 2, 1, 0), | |
203 | }; | |
204 | ||
205 | static const struct snd_soc_dapm_widget wm8510_dapm_widgets[] = { | |
206 | SND_SOC_DAPM_MIXER("Speaker Mixer", WM8510_POWER3, 2, 0, | |
207 | &wm8510_speaker_mixer_controls[0], | |
208 | ARRAY_SIZE(wm8510_speaker_mixer_controls)), | |
209 | SND_SOC_DAPM_MIXER("Mono Mixer", WM8510_POWER3, 3, 0, | |
210 | &wm8510_mono_mixer_controls[0], | |
211 | ARRAY_SIZE(wm8510_mono_mixer_controls)), | |
212 | SND_SOC_DAPM_DAC("DAC", "HiFi Playback", WM8510_POWER3, 0, 0), | |
213 | SND_SOC_DAPM_ADC("ADC", "HiFi Capture", WM8510_POWER2, 0, 0), | |
214 | SND_SOC_DAPM_PGA("Aux Input", WM8510_POWER1, 6, 0, NULL, 0), | |
215 | SND_SOC_DAPM_PGA("SpkN Out", WM8510_POWER3, 5, 0, NULL, 0), | |
216 | SND_SOC_DAPM_PGA("SpkP Out", WM8510_POWER3, 6, 0, NULL, 0), | |
217 | SND_SOC_DAPM_PGA("Mono Out", WM8510_POWER3, 7, 0, NULL, 0), | |
218 | ||
2b5f34c5 MB |
219 | SND_SOC_DAPM_MIXER("Mic PGA", WM8510_POWER2, 2, 0, |
220 | &wm8510_micpga_controls[0], | |
221 | ARRAY_SIZE(wm8510_micpga_controls)), | |
5d421516 MB |
222 | SND_SOC_DAPM_MIXER("Boost Mixer", WM8510_POWER2, 4, 0, |
223 | &wm8510_boost_controls[0], | |
224 | ARRAY_SIZE(wm8510_boost_controls)), | |
225 | ||
226 | SND_SOC_DAPM_MICBIAS("Mic Bias", WM8510_POWER1, 4, 0), | |
227 | ||
228 | SND_SOC_DAPM_INPUT("MICN"), | |
229 | SND_SOC_DAPM_INPUT("MICP"), | |
230 | SND_SOC_DAPM_INPUT("AUX"), | |
231 | SND_SOC_DAPM_OUTPUT("MONOOUT"), | |
232 | SND_SOC_DAPM_OUTPUT("SPKOUTP"), | |
233 | SND_SOC_DAPM_OUTPUT("SPKOUTN"), | |
234 | }; | |
235 | ||
b6709f3b | 236 | static const struct snd_soc_dapm_route wm8510_dapm_routes[] = { |
5d421516 MB |
237 | /* Mono output mixer */ |
238 | {"Mono Mixer", "PCM Playback Switch", "DAC"}, | |
239 | {"Mono Mixer", "Aux Playback Switch", "Aux Input"}, | |
240 | {"Mono Mixer", "Line Bypass Switch", "Boost Mixer"}, | |
241 | ||
242 | /* Speaker output mixer */ | |
243 | {"Speaker Mixer", "PCM Playback Switch", "DAC"}, | |
244 | {"Speaker Mixer", "Aux Playback Switch", "Aux Input"}, | |
245 | {"Speaker Mixer", "Line Bypass Switch", "Boost Mixer"}, | |
246 | ||
247 | /* Outputs */ | |
248 | {"Mono Out", NULL, "Mono Mixer"}, | |
249 | {"MONOOUT", NULL, "Mono Out"}, | |
250 | {"SpkN Out", NULL, "Speaker Mixer"}, | |
251 | {"SpkP Out", NULL, "Speaker Mixer"}, | |
252 | {"SPKOUTN", NULL, "SpkN Out"}, | |
253 | {"SPKOUTP", NULL, "SpkP Out"}, | |
254 | ||
255 | /* Microphone PGA */ | |
256 | {"Mic PGA", "MICN Switch", "MICN"}, | |
257 | {"Mic PGA", "MICP Switch", "MICP"}, | |
258 | { "Mic PGA", "AUX Switch", "Aux Input" }, | |
259 | ||
260 | /* Boost Mixer */ | |
261 | {"Boost Mixer", "Mic PGA Switch", "Mic PGA"}, | |
262 | {"Boost Mixer", "Mic Volume", "MICP"}, | |
263 | {"Boost Mixer", "Aux Volume", "Aux Input"}, | |
264 | ||
265 | {"ADC", NULL, "Boost Mixer"}, | |
266 | }; | |
267 | ||
5d421516 MB |
268 | struct pll_ { |
269 | unsigned int pre_div:4; /* prescale - 1 */ | |
270 | unsigned int n:4; | |
271 | unsigned int k; | |
272 | }; | |
273 | ||
274 | static struct pll_ pll_div; | |
275 | ||
276 | /* The size in bits of the pll divide multiplied by 10 | |
277 | * to allow rounding later */ | |
278 | #define FIXED_PLL_SIZE ((1 << 24) * 10) | |
279 | ||
280 | static void pll_factors(unsigned int target, unsigned int source) | |
281 | { | |
282 | unsigned long long Kpart; | |
283 | unsigned int K, Ndiv, Nmod; | |
284 | ||
285 | Ndiv = target / source; | |
286 | if (Ndiv < 6) { | |
287 | source >>= 1; | |
288 | pll_div.pre_div = 1; | |
289 | Ndiv = target / source; | |
290 | } else | |
291 | pll_div.pre_div = 0; | |
292 | ||
293 | if ((Ndiv < 6) || (Ndiv > 12)) | |
294 | printk(KERN_WARNING | |
449bd54d | 295 | "WM8510 N value %u outwith recommended range!d\n", |
5d421516 MB |
296 | Ndiv); |
297 | ||
298 | pll_div.n = Ndiv; | |
299 | Nmod = target % source; | |
300 | Kpart = FIXED_PLL_SIZE * (long long)Nmod; | |
301 | ||
302 | do_div(Kpart, source); | |
303 | ||
304 | K = Kpart & 0xFFFFFFFF; | |
305 | ||
306 | /* Check if we need to round */ | |
307 | if ((K % 10) >= 5) | |
308 | K += 5; | |
309 | ||
310 | /* Move down to proper range now rounding is done */ | |
311 | K /= 10; | |
312 | ||
313 | pll_div.k = K; | |
314 | } | |
315 | ||
85488037 MB |
316 | static int wm8510_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, |
317 | int source, unsigned int freq_in, unsigned int freq_out) | |
5d421516 MB |
318 | { |
319 | struct snd_soc_codec *codec = codec_dai->codec; | |
320 | u16 reg; | |
321 | ||
322 | if (freq_in == 0 || freq_out == 0) { | |
323 | /* Clock CODEC directly from MCLK */ | |
17a52fd6 MB |
324 | reg = snd_soc_read(codec, WM8510_CLOCK); |
325 | snd_soc_write(codec, WM8510_CLOCK, reg & 0x0ff); | |
5d421516 MB |
326 | |
327 | /* Turn off PLL */ | |
17a52fd6 MB |
328 | reg = snd_soc_read(codec, WM8510_POWER1); |
329 | snd_soc_write(codec, WM8510_POWER1, reg & 0x1df); | |
5d421516 MB |
330 | return 0; |
331 | } | |
332 | ||
86027ae7 | 333 | pll_factors(freq_out*4, freq_in); |
5d421516 | 334 | |
17a52fd6 MB |
335 | snd_soc_write(codec, WM8510_PLLN, (pll_div.pre_div << 4) | pll_div.n); |
336 | snd_soc_write(codec, WM8510_PLLK1, pll_div.k >> 18); | |
337 | snd_soc_write(codec, WM8510_PLLK2, (pll_div.k >> 9) & 0x1ff); | |
338 | snd_soc_write(codec, WM8510_PLLK3, pll_div.k & 0x1ff); | |
339 | reg = snd_soc_read(codec, WM8510_POWER1); | |
340 | snd_soc_write(codec, WM8510_POWER1, reg | 0x020); | |
5d421516 MB |
341 | |
342 | /* Run CODEC from PLL instead of MCLK */ | |
17a52fd6 MB |
343 | reg = snd_soc_read(codec, WM8510_CLOCK); |
344 | snd_soc_write(codec, WM8510_CLOCK, reg | 0x100); | |
5d421516 MB |
345 | |
346 | return 0; | |
347 | } | |
348 | ||
349 | /* | |
350 | * Configure WM8510 clock dividers. | |
351 | */ | |
e550e17f | 352 | static int wm8510_set_dai_clkdiv(struct snd_soc_dai *codec_dai, |
5d421516 MB |
353 | int div_id, int div) |
354 | { | |
355 | struct snd_soc_codec *codec = codec_dai->codec; | |
356 | u16 reg; | |
357 | ||
358 | switch (div_id) { | |
359 | case WM8510_OPCLKDIV: | |
17a52fd6 MB |
360 | reg = snd_soc_read(codec, WM8510_GPIO) & 0x1cf; |
361 | snd_soc_write(codec, WM8510_GPIO, reg | div); | |
5d421516 MB |
362 | break; |
363 | case WM8510_MCLKDIV: | |
17a52fd6 MB |
364 | reg = snd_soc_read(codec, WM8510_CLOCK) & 0x11f; |
365 | snd_soc_write(codec, WM8510_CLOCK, reg | div); | |
5d421516 MB |
366 | break; |
367 | case WM8510_ADCCLK: | |
17a52fd6 MB |
368 | reg = snd_soc_read(codec, WM8510_ADC) & 0x1f7; |
369 | snd_soc_write(codec, WM8510_ADC, reg | div); | |
5d421516 MB |
370 | break; |
371 | case WM8510_DACCLK: | |
17a52fd6 MB |
372 | reg = snd_soc_read(codec, WM8510_DAC) & 0x1f7; |
373 | snd_soc_write(codec, WM8510_DAC, reg | div); | |
5d421516 MB |
374 | break; |
375 | case WM8510_BCLKDIV: | |
17a52fd6 MB |
376 | reg = snd_soc_read(codec, WM8510_CLOCK) & 0x1e3; |
377 | snd_soc_write(codec, WM8510_CLOCK, reg | div); | |
5d421516 MB |
378 | break; |
379 | default: | |
380 | return -EINVAL; | |
381 | } | |
382 | ||
383 | return 0; | |
384 | } | |
385 | ||
e550e17f | 386 | static int wm8510_set_dai_fmt(struct snd_soc_dai *codec_dai, |
5d421516 MB |
387 | unsigned int fmt) |
388 | { | |
389 | struct snd_soc_codec *codec = codec_dai->codec; | |
390 | u16 iface = 0; | |
17a52fd6 | 391 | u16 clk = snd_soc_read(codec, WM8510_CLOCK) & 0x1fe; |
5d421516 MB |
392 | |
393 | /* set master/slave audio interface */ | |
394 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
395 | case SND_SOC_DAIFMT_CBM_CFM: | |
396 | clk |= 0x0001; | |
397 | break; | |
398 | case SND_SOC_DAIFMT_CBS_CFS: | |
399 | break; | |
400 | default: | |
401 | return -EINVAL; | |
402 | } | |
403 | ||
404 | /* interface format */ | |
405 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
406 | case SND_SOC_DAIFMT_I2S: | |
407 | iface |= 0x0010; | |
408 | break; | |
409 | case SND_SOC_DAIFMT_RIGHT_J: | |
410 | break; | |
411 | case SND_SOC_DAIFMT_LEFT_J: | |
412 | iface |= 0x0008; | |
413 | break; | |
414 | case SND_SOC_DAIFMT_DSP_A: | |
415 | iface |= 0x00018; | |
416 | break; | |
417 | default: | |
418 | return -EINVAL; | |
419 | } | |
420 | ||
421 | /* clock inversion */ | |
422 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
423 | case SND_SOC_DAIFMT_NB_NF: | |
424 | break; | |
425 | case SND_SOC_DAIFMT_IB_IF: | |
426 | iface |= 0x0180; | |
427 | break; | |
428 | case SND_SOC_DAIFMT_IB_NF: | |
429 | iface |= 0x0100; | |
430 | break; | |
431 | case SND_SOC_DAIFMT_NB_IF: | |
432 | iface |= 0x0080; | |
433 | break; | |
434 | default: | |
435 | return -EINVAL; | |
436 | } | |
437 | ||
17a52fd6 MB |
438 | snd_soc_write(codec, WM8510_IFACE, iface); |
439 | snd_soc_write(codec, WM8510_CLOCK, clk); | |
5d421516 MB |
440 | return 0; |
441 | } | |
442 | ||
443 | static int wm8510_pcm_hw_params(struct snd_pcm_substream *substream, | |
dee89c4d MB |
444 | struct snd_pcm_hw_params *params, |
445 | struct snd_soc_dai *dai) | |
5d421516 | 446 | { |
e6968a17 | 447 | struct snd_soc_codec *codec = dai->codec; |
17a52fd6 MB |
448 | u16 iface = snd_soc_read(codec, WM8510_IFACE) & 0x19f; |
449 | u16 adn = snd_soc_read(codec, WM8510_ADD) & 0x1f1; | |
5d421516 MB |
450 | |
451 | /* bit size */ | |
452 | switch (params_format(params)) { | |
453 | case SNDRV_PCM_FORMAT_S16_LE: | |
454 | break; | |
455 | case SNDRV_PCM_FORMAT_S20_3LE: | |
456 | iface |= 0x0020; | |
457 | break; | |
458 | case SNDRV_PCM_FORMAT_S24_LE: | |
459 | iface |= 0x0040; | |
460 | break; | |
461 | case SNDRV_PCM_FORMAT_S32_LE: | |
462 | iface |= 0x0060; | |
463 | break; | |
464 | } | |
465 | ||
466 | /* filter coefficient */ | |
467 | switch (params_rate(params)) { | |
b3172f22 | 468 | case 8000: |
5d421516 MB |
469 | adn |= 0x5 << 1; |
470 | break; | |
b3172f22 | 471 | case 11025: |
5d421516 MB |
472 | adn |= 0x4 << 1; |
473 | break; | |
b3172f22 | 474 | case 16000: |
5d421516 MB |
475 | adn |= 0x3 << 1; |
476 | break; | |
b3172f22 | 477 | case 22050: |
5d421516 MB |
478 | adn |= 0x2 << 1; |
479 | break; | |
b3172f22 | 480 | case 32000: |
5d421516 MB |
481 | adn |= 0x1 << 1; |
482 | break; | |
b3172f22 GL |
483 | case 44100: |
484 | case 48000: | |
5d421516 MB |
485 | break; |
486 | } | |
487 | ||
17a52fd6 MB |
488 | snd_soc_write(codec, WM8510_IFACE, iface); |
489 | snd_soc_write(codec, WM8510_ADD, adn); | |
5d421516 MB |
490 | return 0; |
491 | } | |
492 | ||
e550e17f | 493 | static int wm8510_mute(struct snd_soc_dai *dai, int mute) |
5d421516 MB |
494 | { |
495 | struct snd_soc_codec *codec = dai->codec; | |
17a52fd6 | 496 | u16 mute_reg = snd_soc_read(codec, WM8510_DAC) & 0xffbf; |
5d421516 MB |
497 | |
498 | if (mute) | |
17a52fd6 | 499 | snd_soc_write(codec, WM8510_DAC, mute_reg | 0x40); |
5d421516 | 500 | else |
17a52fd6 | 501 | snd_soc_write(codec, WM8510_DAC, mute_reg); |
5d421516 MB |
502 | return 0; |
503 | } | |
504 | ||
505 | /* liam need to make this lower power with dapm */ | |
506 | static int wm8510_set_bias_level(struct snd_soc_codec *codec, | |
507 | enum snd_soc_bias_level level) | |
508 | { | |
e643049d | 509 | struct wm8510_priv *wm8510 = snd_soc_codec_get_drvdata(codec); |
17a52fd6 | 510 | u16 power1 = snd_soc_read(codec, WM8510_POWER1) & ~0x3; |
5d421516 MB |
511 | |
512 | switch (level) { | |
513 | case SND_SOC_BIAS_ON: | |
5d421516 | 514 | case SND_SOC_BIAS_PREPARE: |
09af98b0 | 515 | power1 |= 0x1; /* VMID 50k */ |
17a52fd6 | 516 | snd_soc_write(codec, WM8510_POWER1, power1); |
09af98b0 MB |
517 | break; |
518 | ||
5d421516 | 519 | case SND_SOC_BIAS_STANDBY: |
09af98b0 MB |
520 | power1 |= WM8510_POWER1_BIASEN | WM8510_POWER1_BUFIOEN; |
521 | ||
ce6120cc | 522 | if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { |
e643049d | 523 | regcache_sync(wm8510->regmap); |
94f17e9c | 524 | |
09af98b0 | 525 | /* Initial cap charge at VMID 5k */ |
17a52fd6 | 526 | snd_soc_write(codec, WM8510_POWER1, power1 | 0x3); |
09af98b0 MB |
527 | mdelay(100); |
528 | } | |
529 | ||
530 | power1 |= 0x2; /* VMID 500k */ | |
17a52fd6 | 531 | snd_soc_write(codec, WM8510_POWER1, power1); |
5d421516 | 532 | break; |
09af98b0 | 533 | |
5d421516 | 534 | case SND_SOC_BIAS_OFF: |
17a52fd6 MB |
535 | snd_soc_write(codec, WM8510_POWER1, 0); |
536 | snd_soc_write(codec, WM8510_POWER2, 0); | |
537 | snd_soc_write(codec, WM8510_POWER3, 0); | |
5d421516 MB |
538 | break; |
539 | } | |
09af98b0 | 540 | |
ce6120cc | 541 | codec->dapm.bias_level = level; |
5d421516 MB |
542 | return 0; |
543 | } | |
544 | ||
545 | #define WM8510_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ | |
546 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ | |
547 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000) | |
548 | ||
549 | #define WM8510_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ | |
550 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) | |
551 | ||
85e7652d | 552 | static const struct snd_soc_dai_ops wm8510_dai_ops = { |
6335d055 EM |
553 | .hw_params = wm8510_pcm_hw_params, |
554 | .digital_mute = wm8510_mute, | |
555 | .set_fmt = wm8510_set_dai_fmt, | |
556 | .set_clkdiv = wm8510_set_dai_clkdiv, | |
557 | .set_pll = wm8510_set_dai_pll, | |
558 | }; | |
559 | ||
f0fba2ad LG |
560 | static struct snd_soc_dai_driver wm8510_dai = { |
561 | .name = "wm8510-hifi", | |
5d421516 MB |
562 | .playback = { |
563 | .stream_name = "Playback", | |
564 | .channels_min = 2, | |
565 | .channels_max = 2, | |
566 | .rates = WM8510_RATES, | |
567 | .formats = WM8510_FORMATS,}, | |
568 | .capture = { | |
569 | .stream_name = "Capture", | |
570 | .channels_min = 2, | |
571 | .channels_max = 2, | |
572 | .rates = WM8510_RATES, | |
573 | .formats = WM8510_FORMATS,}, | |
6335d055 | 574 | .ops = &wm8510_dai_ops, |
cc369cf5 | 575 | .symmetric_rates = 1, |
5d421516 | 576 | }; |
5d421516 | 577 | |
84b315ee | 578 | static int wm8510_suspend(struct snd_soc_codec *codec) |
5d421516 | 579 | { |
5d421516 MB |
580 | wm8510_set_bias_level(codec, SND_SOC_BIAS_OFF); |
581 | return 0; | |
582 | } | |
583 | ||
f0fba2ad | 584 | static int wm8510_resume(struct snd_soc_codec *codec) |
5d421516 | 585 | { |
5d421516 | 586 | wm8510_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
5d421516 MB |
587 | return 0; |
588 | } | |
589 | ||
f0fba2ad | 590 | static int wm8510_probe(struct snd_soc_codec *codec) |
5d421516 | 591 | { |
f0fba2ad | 592 | int ret; |
5d421516 | 593 | |
e643049d | 594 | ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_REGMAP); |
17a52fd6 | 595 | if (ret < 0) { |
f0fba2ad LG |
596 | printk(KERN_ERR "wm8510: failed to set cache I/O: %d\n", ret); |
597 | return ret; | |
17a52fd6 MB |
598 | } |
599 | ||
5d421516 MB |
600 | wm8510_reset(codec); |
601 | ||
5d421516 MB |
602 | /* power on device */ |
603 | wm8510_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | |
fe3e78e0 | 604 | |
5d421516 | 605 | return ret; |
5d421516 MB |
606 | } |
607 | ||
f0fba2ad LG |
608 | /* power down chip */ |
609 | static int wm8510_remove(struct snd_soc_codec *codec) | |
5d421516 | 610 | { |
f0fba2ad | 611 | struct wm8510_priv *wm8510 = snd_soc_codec_get_drvdata(codec); |
5d421516 | 612 | |
f0fba2ad LG |
613 | wm8510_set_bias_level(codec, SND_SOC_BIAS_OFF); |
614 | kfree(wm8510); | |
5d421516 MB |
615 | return 0; |
616 | } | |
617 | ||
f0fba2ad LG |
618 | static struct snd_soc_codec_driver soc_codec_dev_wm8510 = { |
619 | .probe = wm8510_probe, | |
620 | .remove = wm8510_remove, | |
621 | .suspend = wm8510_suspend, | |
622 | .resume = wm8510_resume, | |
623 | .set_bias_level = wm8510_set_bias_level, | |
b6709f3b MB |
624 | |
625 | .controls = wm8510_snd_controls, | |
626 | .num_controls = ARRAY_SIZE(wm8510_snd_controls), | |
627 | .dapm_widgets = wm8510_dapm_widgets, | |
628 | .num_dapm_widgets = ARRAY_SIZE(wm8510_dapm_widgets), | |
629 | .dapm_routes = wm8510_dapm_routes, | |
630 | .num_dapm_routes = ARRAY_SIZE(wm8510_dapm_routes), | |
5d421516 MB |
631 | }; |
632 | ||
0a422e1a MB |
633 | static const struct of_device_id wm8510_of_match[] = { |
634 | { .compatible = "wlf,wm8510" }, | |
635 | { }, | |
636 | }; | |
637 | ||
e643049d MB |
638 | static const struct regmap_config wm8510_regmap = { |
639 | .reg_bits = 7, | |
640 | .val_bits = 9, | |
641 | .max_register = WM8510_MONOMIX, | |
642 | ||
643 | .reg_defaults = wm8510_reg_defaults, | |
644 | .num_reg_defaults = ARRAY_SIZE(wm8510_reg_defaults), | |
645 | .cache_type = REGCACHE_RBTREE, | |
646 | ||
647 | .volatile_reg = wm8510_volatile, | |
648 | }; | |
649 | ||
5e357952 MB |
650 | #if defined(CONFIG_SPI_MASTER) |
651 | static int __devinit wm8510_spi_probe(struct spi_device *spi) | |
652 | { | |
f0fba2ad | 653 | struct wm8510_priv *wm8510; |
5e357952 MB |
654 | int ret; |
655 | ||
3217b0f5 MB |
656 | wm8510 = devm_kzalloc(&spi->dev, sizeof(struct wm8510_priv), |
657 | GFP_KERNEL); | |
f0fba2ad LG |
658 | if (wm8510 == NULL) |
659 | return -ENOMEM; | |
660 | ||
e643049d MB |
661 | wm8510->regmap = devm_regmap_init_spi(spi, &wm8510_regmap); |
662 | if (IS_ERR(wm8510->regmap)) | |
663 | return PTR_ERR(wm8510->regmap); | |
664 | ||
f0fba2ad | 665 | spi_set_drvdata(spi, wm8510); |
5e357952 | 666 | |
f0fba2ad LG |
667 | ret = snd_soc_register_codec(&spi->dev, |
668 | &soc_codec_dev_wm8510, &wm8510_dai, 1); | |
3217b0f5 | 669 | |
5e357952 MB |
670 | return ret; |
671 | } | |
672 | ||
673 | static int __devexit wm8510_spi_remove(struct spi_device *spi) | |
674 | { | |
f0fba2ad | 675 | snd_soc_unregister_codec(&spi->dev); |
5e357952 MB |
676 | return 0; |
677 | } | |
678 | ||
679 | static struct spi_driver wm8510_spi_driver = { | |
680 | .driver = { | |
681 | .name = "wm8510", | |
5e357952 | 682 | .owner = THIS_MODULE, |
0a422e1a | 683 | .of_match_table = wm8510_of_match, |
5e357952 MB |
684 | }, |
685 | .probe = wm8510_spi_probe, | |
686 | .remove = __devexit_p(wm8510_spi_remove), | |
687 | }; | |
5e357952 MB |
688 | #endif /* CONFIG_SPI_MASTER */ |
689 | ||
f0fba2ad LG |
690 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
691 | static __devinit int wm8510_i2c_probe(struct i2c_client *i2c, | |
692 | const struct i2c_device_id *id) | |
5d421516 | 693 | { |
f0fba2ad LG |
694 | struct wm8510_priv *wm8510; |
695 | int ret; | |
5d421516 | 696 | |
3217b0f5 MB |
697 | wm8510 = devm_kzalloc(&i2c->dev, sizeof(struct wm8510_priv), |
698 | GFP_KERNEL); | |
f0fba2ad | 699 | if (wm8510 == NULL) |
5d421516 MB |
700 | return -ENOMEM; |
701 | ||
e643049d MB |
702 | wm8510->regmap = devm_regmap_init_i2c(i2c, &wm8510_regmap); |
703 | if (IS_ERR(wm8510->regmap)) | |
704 | return PTR_ERR(wm8510->regmap); | |
705 | ||
f0fba2ad | 706 | i2c_set_clientdata(i2c, wm8510); |
5d421516 | 707 | |
f0fba2ad LG |
708 | ret = snd_soc_register_codec(&i2c->dev, |
709 | &soc_codec_dev_wm8510, &wm8510_dai, 1); | |
3217b0f5 | 710 | |
5d421516 MB |
711 | return ret; |
712 | } | |
713 | ||
f0fba2ad | 714 | static __devexit int wm8510_i2c_remove(struct i2c_client *client) |
5d421516 | 715 | { |
f0fba2ad | 716 | snd_soc_unregister_codec(&client->dev); |
5d421516 MB |
717 | return 0; |
718 | } | |
719 | ||
f0fba2ad LG |
720 | static const struct i2c_device_id wm8510_i2c_id[] = { |
721 | { "wm8510", 0 }, | |
722 | { } | |
723 | }; | |
724 | MODULE_DEVICE_TABLE(i2c, wm8510_i2c_id); | |
725 | ||
726 | static struct i2c_driver wm8510_i2c_driver = { | |
727 | .driver = { | |
091edccf | 728 | .name = "wm8510", |
f0fba2ad | 729 | .owner = THIS_MODULE, |
0a422e1a | 730 | .of_match_table = wm8510_of_match, |
f0fba2ad LG |
731 | }, |
732 | .probe = wm8510_i2c_probe, | |
733 | .remove = __devexit_p(wm8510_i2c_remove), | |
734 | .id_table = wm8510_i2c_id, | |
5d421516 | 735 | }; |
f0fba2ad | 736 | #endif |
5d421516 | 737 | |
c9b3a40f | 738 | static int __init wm8510_modinit(void) |
64089b84 | 739 | { |
f0fba2ad LG |
740 | int ret = 0; |
741 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) | |
742 | ret = i2c_add_driver(&wm8510_i2c_driver); | |
743 | if (ret != 0) { | |
744 | printk(KERN_ERR "Failed to register WM8510 I2C driver: %d\n", | |
745 | ret); | |
746 | } | |
747 | #endif | |
748 | #if defined(CONFIG_SPI_MASTER) | |
749 | ret = spi_register_driver(&wm8510_spi_driver); | |
750 | if (ret != 0) { | |
751 | printk(KERN_ERR "Failed to register WM8510 SPI driver: %d\n", | |
752 | ret); | |
753 | } | |
754 | #endif | |
755 | return ret; | |
64089b84 MB |
756 | } |
757 | module_init(wm8510_modinit); | |
758 | ||
759 | static void __exit wm8510_exit(void) | |
760 | { | |
f0fba2ad LG |
761 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
762 | i2c_del_driver(&wm8510_i2c_driver); | |
763 | #endif | |
764 | #if defined(CONFIG_SPI_MASTER) | |
765 | spi_unregister_driver(&wm8510_spi_driver); | |
766 | #endif | |
64089b84 MB |
767 | } |
768 | module_exit(wm8510_exit); | |
769 | ||
5d421516 MB |
770 | MODULE_DESCRIPTION("ASoC WM8510 driver"); |
771 | MODULE_AUTHOR("Liam Girdwood"); | |
772 | MODULE_LICENSE("GPL"); |