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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> |
5d421516 MB |
23 | #include <sound/core.h> |
24 | #include <sound/pcm.h> | |
25 | #include <sound/pcm_params.h> | |
26 | #include <sound/soc.h> | |
5d421516 MB |
27 | #include <sound/initval.h> |
28 | ||
29 | #include "wm8510.h" | |
30 | ||
5d421516 MB |
31 | /* |
32 | * wm8510 register cache | |
33 | * We can't read the WM8510 register space when we are | |
34 | * using 2 wire for device control, so we cache them instead. | |
35 | */ | |
36 | static const u16 wm8510_reg[WM8510_CACHEREGNUM] = { | |
37 | 0x0000, 0x0000, 0x0000, 0x0000, | |
38 | 0x0050, 0x0000, 0x0140, 0x0000, | |
39 | 0x0000, 0x0000, 0x0000, 0x00ff, | |
40 | 0x0000, 0x0000, 0x0100, 0x00ff, | |
41 | 0x0000, 0x0000, 0x012c, 0x002c, | |
42 | 0x002c, 0x002c, 0x002c, 0x0000, | |
43 | 0x0032, 0x0000, 0x0000, 0x0000, | |
44 | 0x0000, 0x0000, 0x0000, 0x0000, | |
45 | 0x0038, 0x000b, 0x0032, 0x0000, | |
46 | 0x0008, 0x000c, 0x0093, 0x00e9, | |
47 | 0x0000, 0x0000, 0x0000, 0x0000, | |
48 | 0x0003, 0x0010, 0x0000, 0x0000, | |
49 | 0x0000, 0x0002, 0x0001, 0x0000, | |
50 | 0x0000, 0x0000, 0x0039, 0x0000, | |
05a076de | 51 | 0x0001, |
5d421516 MB |
52 | }; |
53 | ||
09af98b0 MB |
54 | #define WM8510_POWER1_BIASEN 0x08 |
55 | #define WM8510_POWER1_BUFIOEN 0x10 | |
56 | ||
17a52fd6 | 57 | #define wm8510_reset(c) snd_soc_write(c, WM8510_RESET, 0) |
5d421516 | 58 | |
f0fba2ad LG |
59 | /* codec private data */ |
60 | struct wm8510_priv { | |
61 | enum snd_soc_control_type control_type; | |
f0fba2ad LG |
62 | }; |
63 | ||
5d421516 MB |
64 | static const char *wm8510_companding[] = { "Off", "NC", "u-law", "A-law" }; |
65 | static const char *wm8510_deemp[] = { "None", "32kHz", "44.1kHz", "48kHz" }; | |
66 | static const char *wm8510_alc[] = { "ALC", "Limiter" }; | |
67 | ||
68 | static const struct soc_enum wm8510_enum[] = { | |
69 | SOC_ENUM_SINGLE(WM8510_COMP, 1, 4, wm8510_companding), /* adc */ | |
70 | SOC_ENUM_SINGLE(WM8510_COMP, 3, 4, wm8510_companding), /* dac */ | |
71 | SOC_ENUM_SINGLE(WM8510_DAC, 4, 4, wm8510_deemp), | |
72 | SOC_ENUM_SINGLE(WM8510_ALC3, 8, 2, wm8510_alc), | |
73 | }; | |
74 | ||
75 | static const struct snd_kcontrol_new wm8510_snd_controls[] = { | |
76 | ||
77 | SOC_SINGLE("Digital Loopback Switch", WM8510_COMP, 0, 1, 0), | |
78 | ||
79 | SOC_ENUM("DAC Companding", wm8510_enum[1]), | |
80 | SOC_ENUM("ADC Companding", wm8510_enum[0]), | |
81 | ||
82 | SOC_ENUM("Playback De-emphasis", wm8510_enum[2]), | |
83 | SOC_SINGLE("DAC Inversion Switch", WM8510_DAC, 0, 1, 0), | |
84 | ||
85 | SOC_SINGLE("Master Playback Volume", WM8510_DACVOL, 0, 127, 0), | |
86 | ||
87 | SOC_SINGLE("High Pass Filter Switch", WM8510_ADC, 8, 1, 0), | |
88 | SOC_SINGLE("High Pass Cut Off", WM8510_ADC, 4, 7, 0), | |
89 | SOC_SINGLE("ADC Inversion Switch", WM8510_COMP, 0, 1, 0), | |
90 | ||
91 | SOC_SINGLE("Capture Volume", WM8510_ADCVOL, 0, 127, 0), | |
92 | ||
93 | SOC_SINGLE("DAC Playback Limiter Switch", WM8510_DACLIM1, 8, 1, 0), | |
94 | SOC_SINGLE("DAC Playback Limiter Decay", WM8510_DACLIM1, 4, 15, 0), | |
95 | SOC_SINGLE("DAC Playback Limiter Attack", WM8510_DACLIM1, 0, 15, 0), | |
96 | ||
97 | SOC_SINGLE("DAC Playback Limiter Threshold", WM8510_DACLIM2, 4, 7, 0), | |
98 | SOC_SINGLE("DAC Playback Limiter Boost", WM8510_DACLIM2, 0, 15, 0), | |
99 | ||
100 | SOC_SINGLE("ALC Enable Switch", WM8510_ALC1, 8, 1, 0), | |
101 | SOC_SINGLE("ALC Capture Max Gain", WM8510_ALC1, 3, 7, 0), | |
102 | SOC_SINGLE("ALC Capture Min Gain", WM8510_ALC1, 0, 7, 0), | |
103 | ||
104 | SOC_SINGLE("ALC Capture ZC Switch", WM8510_ALC2, 8, 1, 0), | |
105 | SOC_SINGLE("ALC Capture Hold", WM8510_ALC2, 4, 7, 0), | |
106 | SOC_SINGLE("ALC Capture Target", WM8510_ALC2, 0, 15, 0), | |
107 | ||
108 | SOC_ENUM("ALC Capture Mode", wm8510_enum[3]), | |
109 | SOC_SINGLE("ALC Capture Decay", WM8510_ALC3, 4, 15, 0), | |
110 | SOC_SINGLE("ALC Capture Attack", WM8510_ALC3, 0, 15, 0), | |
111 | ||
112 | SOC_SINGLE("ALC Capture Noise Gate Switch", WM8510_NGATE, 3, 1, 0), | |
113 | SOC_SINGLE("ALC Capture Noise Gate Threshold", WM8510_NGATE, 0, 7, 0), | |
114 | ||
115 | SOC_SINGLE("Capture PGA ZC Switch", WM8510_INPPGA, 7, 1, 0), | |
116 | SOC_SINGLE("Capture PGA Volume", WM8510_INPPGA, 0, 63, 0), | |
117 | ||
118 | SOC_SINGLE("Speaker Playback ZC Switch", WM8510_SPKVOL, 7, 1, 0), | |
119 | SOC_SINGLE("Speaker Playback Switch", WM8510_SPKVOL, 6, 1, 1), | |
120 | SOC_SINGLE("Speaker Playback Volume", WM8510_SPKVOL, 0, 63, 0), | |
121 | SOC_SINGLE("Speaker Boost", WM8510_OUTPUT, 2, 1, 0), | |
122 | ||
123 | SOC_SINGLE("Capture Boost(+20dB)", WM8510_ADCBOOST, 8, 1, 0), | |
124 | SOC_SINGLE("Mono Playback Switch", WM8510_MONOMIX, 6, 1, 1), | |
125 | }; | |
126 | ||
5d421516 MB |
127 | /* Speaker Output Mixer */ |
128 | static const struct snd_kcontrol_new wm8510_speaker_mixer_controls[] = { | |
129 | SOC_DAPM_SINGLE("Line Bypass Switch", WM8510_SPKMIX, 1, 1, 0), | |
130 | SOC_DAPM_SINGLE("Aux Playback Switch", WM8510_SPKMIX, 5, 1, 0), | |
131 | SOC_DAPM_SINGLE("PCM Playback Switch", WM8510_SPKMIX, 0, 1, 0), | |
132 | }; | |
133 | ||
134 | /* Mono Output Mixer */ | |
135 | static const struct snd_kcontrol_new wm8510_mono_mixer_controls[] = { | |
136 | SOC_DAPM_SINGLE("Line Bypass Switch", WM8510_MONOMIX, 1, 1, 0), | |
137 | SOC_DAPM_SINGLE("Aux Playback Switch", WM8510_MONOMIX, 2, 1, 0), | |
138 | SOC_DAPM_SINGLE("PCM Playback Switch", WM8510_MONOMIX, 0, 1, 0), | |
139 | }; | |
140 | ||
141 | static const struct snd_kcontrol_new wm8510_boost_controls[] = { | |
8ae23ec3 | 142 | SOC_DAPM_SINGLE("Mic PGA Switch", WM8510_INPPGA, 6, 1, 1), |
5d421516 MB |
143 | SOC_DAPM_SINGLE("Aux Volume", WM8510_ADCBOOST, 0, 7, 0), |
144 | SOC_DAPM_SINGLE("Mic Volume", WM8510_ADCBOOST, 4, 7, 0), | |
145 | }; | |
146 | ||
147 | static const struct snd_kcontrol_new wm8510_micpga_controls[] = { | |
148 | SOC_DAPM_SINGLE("MICP Switch", WM8510_INPUT, 0, 1, 0), | |
149 | SOC_DAPM_SINGLE("MICN Switch", WM8510_INPUT, 1, 1, 0), | |
150 | SOC_DAPM_SINGLE("AUX Switch", WM8510_INPUT, 2, 1, 0), | |
151 | }; | |
152 | ||
153 | static const struct snd_soc_dapm_widget wm8510_dapm_widgets[] = { | |
154 | SND_SOC_DAPM_MIXER("Speaker Mixer", WM8510_POWER3, 2, 0, | |
155 | &wm8510_speaker_mixer_controls[0], | |
156 | ARRAY_SIZE(wm8510_speaker_mixer_controls)), | |
157 | SND_SOC_DAPM_MIXER("Mono Mixer", WM8510_POWER3, 3, 0, | |
158 | &wm8510_mono_mixer_controls[0], | |
159 | ARRAY_SIZE(wm8510_mono_mixer_controls)), | |
160 | SND_SOC_DAPM_DAC("DAC", "HiFi Playback", WM8510_POWER3, 0, 0), | |
161 | SND_SOC_DAPM_ADC("ADC", "HiFi Capture", WM8510_POWER2, 0, 0), | |
162 | SND_SOC_DAPM_PGA("Aux Input", WM8510_POWER1, 6, 0, NULL, 0), | |
163 | SND_SOC_DAPM_PGA("SpkN Out", WM8510_POWER3, 5, 0, NULL, 0), | |
164 | SND_SOC_DAPM_PGA("SpkP Out", WM8510_POWER3, 6, 0, NULL, 0), | |
165 | SND_SOC_DAPM_PGA("Mono Out", WM8510_POWER3, 7, 0, NULL, 0), | |
166 | ||
2b5f34c5 MB |
167 | SND_SOC_DAPM_MIXER("Mic PGA", WM8510_POWER2, 2, 0, |
168 | &wm8510_micpga_controls[0], | |
169 | ARRAY_SIZE(wm8510_micpga_controls)), | |
5d421516 MB |
170 | SND_SOC_DAPM_MIXER("Boost Mixer", WM8510_POWER2, 4, 0, |
171 | &wm8510_boost_controls[0], | |
172 | ARRAY_SIZE(wm8510_boost_controls)), | |
173 | ||
174 | SND_SOC_DAPM_MICBIAS("Mic Bias", WM8510_POWER1, 4, 0), | |
175 | ||
176 | SND_SOC_DAPM_INPUT("MICN"), | |
177 | SND_SOC_DAPM_INPUT("MICP"), | |
178 | SND_SOC_DAPM_INPUT("AUX"), | |
179 | SND_SOC_DAPM_OUTPUT("MONOOUT"), | |
180 | SND_SOC_DAPM_OUTPUT("SPKOUTP"), | |
181 | SND_SOC_DAPM_OUTPUT("SPKOUTN"), | |
182 | }; | |
183 | ||
b6709f3b | 184 | static const struct snd_soc_dapm_route wm8510_dapm_routes[] = { |
5d421516 MB |
185 | /* Mono output mixer */ |
186 | {"Mono Mixer", "PCM Playback Switch", "DAC"}, | |
187 | {"Mono Mixer", "Aux Playback Switch", "Aux Input"}, | |
188 | {"Mono Mixer", "Line Bypass Switch", "Boost Mixer"}, | |
189 | ||
190 | /* Speaker output mixer */ | |
191 | {"Speaker Mixer", "PCM Playback Switch", "DAC"}, | |
192 | {"Speaker Mixer", "Aux Playback Switch", "Aux Input"}, | |
193 | {"Speaker Mixer", "Line Bypass Switch", "Boost Mixer"}, | |
194 | ||
195 | /* Outputs */ | |
196 | {"Mono Out", NULL, "Mono Mixer"}, | |
197 | {"MONOOUT", NULL, "Mono Out"}, | |
198 | {"SpkN Out", NULL, "Speaker Mixer"}, | |
199 | {"SpkP Out", NULL, "Speaker Mixer"}, | |
200 | {"SPKOUTN", NULL, "SpkN Out"}, | |
201 | {"SPKOUTP", NULL, "SpkP Out"}, | |
202 | ||
203 | /* Microphone PGA */ | |
204 | {"Mic PGA", "MICN Switch", "MICN"}, | |
205 | {"Mic PGA", "MICP Switch", "MICP"}, | |
206 | { "Mic PGA", "AUX Switch", "Aux Input" }, | |
207 | ||
208 | /* Boost Mixer */ | |
209 | {"Boost Mixer", "Mic PGA Switch", "Mic PGA"}, | |
210 | {"Boost Mixer", "Mic Volume", "MICP"}, | |
211 | {"Boost Mixer", "Aux Volume", "Aux Input"}, | |
212 | ||
213 | {"ADC", NULL, "Boost Mixer"}, | |
214 | }; | |
215 | ||
5d421516 MB |
216 | struct pll_ { |
217 | unsigned int pre_div:4; /* prescale - 1 */ | |
218 | unsigned int n:4; | |
219 | unsigned int k; | |
220 | }; | |
221 | ||
222 | static struct pll_ pll_div; | |
223 | ||
224 | /* The size in bits of the pll divide multiplied by 10 | |
225 | * to allow rounding later */ | |
226 | #define FIXED_PLL_SIZE ((1 << 24) * 10) | |
227 | ||
228 | static void pll_factors(unsigned int target, unsigned int source) | |
229 | { | |
230 | unsigned long long Kpart; | |
231 | unsigned int K, Ndiv, Nmod; | |
232 | ||
233 | Ndiv = target / source; | |
234 | if (Ndiv < 6) { | |
235 | source >>= 1; | |
236 | pll_div.pre_div = 1; | |
237 | Ndiv = target / source; | |
238 | } else | |
239 | pll_div.pre_div = 0; | |
240 | ||
241 | if ((Ndiv < 6) || (Ndiv > 12)) | |
242 | printk(KERN_WARNING | |
449bd54d | 243 | "WM8510 N value %u outwith recommended range!d\n", |
5d421516 MB |
244 | Ndiv); |
245 | ||
246 | pll_div.n = Ndiv; | |
247 | Nmod = target % source; | |
248 | Kpart = FIXED_PLL_SIZE * (long long)Nmod; | |
249 | ||
250 | do_div(Kpart, source); | |
251 | ||
252 | K = Kpart & 0xFFFFFFFF; | |
253 | ||
254 | /* Check if we need to round */ | |
255 | if ((K % 10) >= 5) | |
256 | K += 5; | |
257 | ||
258 | /* Move down to proper range now rounding is done */ | |
259 | K /= 10; | |
260 | ||
261 | pll_div.k = K; | |
262 | } | |
263 | ||
85488037 MB |
264 | static int wm8510_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, |
265 | int source, unsigned int freq_in, unsigned int freq_out) | |
5d421516 MB |
266 | { |
267 | struct snd_soc_codec *codec = codec_dai->codec; | |
268 | u16 reg; | |
269 | ||
270 | if (freq_in == 0 || freq_out == 0) { | |
271 | /* Clock CODEC directly from MCLK */ | |
17a52fd6 MB |
272 | reg = snd_soc_read(codec, WM8510_CLOCK); |
273 | snd_soc_write(codec, WM8510_CLOCK, reg & 0x0ff); | |
5d421516 MB |
274 | |
275 | /* Turn off PLL */ | |
17a52fd6 MB |
276 | reg = snd_soc_read(codec, WM8510_POWER1); |
277 | snd_soc_write(codec, WM8510_POWER1, reg & 0x1df); | |
5d421516 MB |
278 | return 0; |
279 | } | |
280 | ||
86027ae7 | 281 | pll_factors(freq_out*4, freq_in); |
5d421516 | 282 | |
17a52fd6 MB |
283 | snd_soc_write(codec, WM8510_PLLN, (pll_div.pre_div << 4) | pll_div.n); |
284 | snd_soc_write(codec, WM8510_PLLK1, pll_div.k >> 18); | |
285 | snd_soc_write(codec, WM8510_PLLK2, (pll_div.k >> 9) & 0x1ff); | |
286 | snd_soc_write(codec, WM8510_PLLK3, pll_div.k & 0x1ff); | |
287 | reg = snd_soc_read(codec, WM8510_POWER1); | |
288 | snd_soc_write(codec, WM8510_POWER1, reg | 0x020); | |
5d421516 MB |
289 | |
290 | /* Run CODEC from PLL instead of MCLK */ | |
17a52fd6 MB |
291 | reg = snd_soc_read(codec, WM8510_CLOCK); |
292 | snd_soc_write(codec, WM8510_CLOCK, reg | 0x100); | |
5d421516 MB |
293 | |
294 | return 0; | |
295 | } | |
296 | ||
297 | /* | |
298 | * Configure WM8510 clock dividers. | |
299 | */ | |
e550e17f | 300 | static int wm8510_set_dai_clkdiv(struct snd_soc_dai *codec_dai, |
5d421516 MB |
301 | int div_id, int div) |
302 | { | |
303 | struct snd_soc_codec *codec = codec_dai->codec; | |
304 | u16 reg; | |
305 | ||
306 | switch (div_id) { | |
307 | case WM8510_OPCLKDIV: | |
17a52fd6 MB |
308 | reg = snd_soc_read(codec, WM8510_GPIO) & 0x1cf; |
309 | snd_soc_write(codec, WM8510_GPIO, reg | div); | |
5d421516 MB |
310 | break; |
311 | case WM8510_MCLKDIV: | |
17a52fd6 MB |
312 | reg = snd_soc_read(codec, WM8510_CLOCK) & 0x11f; |
313 | snd_soc_write(codec, WM8510_CLOCK, reg | div); | |
5d421516 MB |
314 | break; |
315 | case WM8510_ADCCLK: | |
17a52fd6 MB |
316 | reg = snd_soc_read(codec, WM8510_ADC) & 0x1f7; |
317 | snd_soc_write(codec, WM8510_ADC, reg | div); | |
5d421516 MB |
318 | break; |
319 | case WM8510_DACCLK: | |
17a52fd6 MB |
320 | reg = snd_soc_read(codec, WM8510_DAC) & 0x1f7; |
321 | snd_soc_write(codec, WM8510_DAC, reg | div); | |
5d421516 MB |
322 | break; |
323 | case WM8510_BCLKDIV: | |
17a52fd6 MB |
324 | reg = snd_soc_read(codec, WM8510_CLOCK) & 0x1e3; |
325 | snd_soc_write(codec, WM8510_CLOCK, reg | div); | |
5d421516 MB |
326 | break; |
327 | default: | |
328 | return -EINVAL; | |
329 | } | |
330 | ||
331 | return 0; | |
332 | } | |
333 | ||
e550e17f | 334 | static int wm8510_set_dai_fmt(struct snd_soc_dai *codec_dai, |
5d421516 MB |
335 | unsigned int fmt) |
336 | { | |
337 | struct snd_soc_codec *codec = codec_dai->codec; | |
338 | u16 iface = 0; | |
17a52fd6 | 339 | u16 clk = snd_soc_read(codec, WM8510_CLOCK) & 0x1fe; |
5d421516 MB |
340 | |
341 | /* set master/slave audio interface */ | |
342 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
343 | case SND_SOC_DAIFMT_CBM_CFM: | |
344 | clk |= 0x0001; | |
345 | break; | |
346 | case SND_SOC_DAIFMT_CBS_CFS: | |
347 | break; | |
348 | default: | |
349 | return -EINVAL; | |
350 | } | |
351 | ||
352 | /* interface format */ | |
353 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
354 | case SND_SOC_DAIFMT_I2S: | |
355 | iface |= 0x0010; | |
356 | break; | |
357 | case SND_SOC_DAIFMT_RIGHT_J: | |
358 | break; | |
359 | case SND_SOC_DAIFMT_LEFT_J: | |
360 | iface |= 0x0008; | |
361 | break; | |
362 | case SND_SOC_DAIFMT_DSP_A: | |
363 | iface |= 0x00018; | |
364 | break; | |
365 | default: | |
366 | return -EINVAL; | |
367 | } | |
368 | ||
369 | /* clock inversion */ | |
370 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
371 | case SND_SOC_DAIFMT_NB_NF: | |
372 | break; | |
373 | case SND_SOC_DAIFMT_IB_IF: | |
374 | iface |= 0x0180; | |
375 | break; | |
376 | case SND_SOC_DAIFMT_IB_NF: | |
377 | iface |= 0x0100; | |
378 | break; | |
379 | case SND_SOC_DAIFMT_NB_IF: | |
380 | iface |= 0x0080; | |
381 | break; | |
382 | default: | |
383 | return -EINVAL; | |
384 | } | |
385 | ||
17a52fd6 MB |
386 | snd_soc_write(codec, WM8510_IFACE, iface); |
387 | snd_soc_write(codec, WM8510_CLOCK, clk); | |
5d421516 MB |
388 | return 0; |
389 | } | |
390 | ||
391 | static int wm8510_pcm_hw_params(struct snd_pcm_substream *substream, | |
dee89c4d MB |
392 | struct snd_pcm_hw_params *params, |
393 | struct snd_soc_dai *dai) | |
5d421516 MB |
394 | { |
395 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 396 | struct snd_soc_codec *codec = rtd->codec; |
17a52fd6 MB |
397 | u16 iface = snd_soc_read(codec, WM8510_IFACE) & 0x19f; |
398 | u16 adn = snd_soc_read(codec, WM8510_ADD) & 0x1f1; | |
5d421516 MB |
399 | |
400 | /* bit size */ | |
401 | switch (params_format(params)) { | |
402 | case SNDRV_PCM_FORMAT_S16_LE: | |
403 | break; | |
404 | case SNDRV_PCM_FORMAT_S20_3LE: | |
405 | iface |= 0x0020; | |
406 | break; | |
407 | case SNDRV_PCM_FORMAT_S24_LE: | |
408 | iface |= 0x0040; | |
409 | break; | |
410 | case SNDRV_PCM_FORMAT_S32_LE: | |
411 | iface |= 0x0060; | |
412 | break; | |
413 | } | |
414 | ||
415 | /* filter coefficient */ | |
416 | switch (params_rate(params)) { | |
b3172f22 | 417 | case 8000: |
5d421516 MB |
418 | adn |= 0x5 << 1; |
419 | break; | |
b3172f22 | 420 | case 11025: |
5d421516 MB |
421 | adn |= 0x4 << 1; |
422 | break; | |
b3172f22 | 423 | case 16000: |
5d421516 MB |
424 | adn |= 0x3 << 1; |
425 | break; | |
b3172f22 | 426 | case 22050: |
5d421516 MB |
427 | adn |= 0x2 << 1; |
428 | break; | |
b3172f22 | 429 | case 32000: |
5d421516 MB |
430 | adn |= 0x1 << 1; |
431 | break; | |
b3172f22 GL |
432 | case 44100: |
433 | case 48000: | |
5d421516 MB |
434 | break; |
435 | } | |
436 | ||
17a52fd6 MB |
437 | snd_soc_write(codec, WM8510_IFACE, iface); |
438 | snd_soc_write(codec, WM8510_ADD, adn); | |
5d421516 MB |
439 | return 0; |
440 | } | |
441 | ||
e550e17f | 442 | static int wm8510_mute(struct snd_soc_dai *dai, int mute) |
5d421516 MB |
443 | { |
444 | struct snd_soc_codec *codec = dai->codec; | |
17a52fd6 | 445 | u16 mute_reg = snd_soc_read(codec, WM8510_DAC) & 0xffbf; |
5d421516 MB |
446 | |
447 | if (mute) | |
17a52fd6 | 448 | snd_soc_write(codec, WM8510_DAC, mute_reg | 0x40); |
5d421516 | 449 | else |
17a52fd6 | 450 | snd_soc_write(codec, WM8510_DAC, mute_reg); |
5d421516 MB |
451 | return 0; |
452 | } | |
453 | ||
454 | /* liam need to make this lower power with dapm */ | |
455 | static int wm8510_set_bias_level(struct snd_soc_codec *codec, | |
456 | enum snd_soc_bias_level level) | |
457 | { | |
17a52fd6 | 458 | u16 power1 = snd_soc_read(codec, WM8510_POWER1) & ~0x3; |
5d421516 MB |
459 | |
460 | switch (level) { | |
461 | case SND_SOC_BIAS_ON: | |
5d421516 | 462 | case SND_SOC_BIAS_PREPARE: |
09af98b0 | 463 | power1 |= 0x1; /* VMID 50k */ |
17a52fd6 | 464 | snd_soc_write(codec, WM8510_POWER1, power1); |
09af98b0 MB |
465 | break; |
466 | ||
5d421516 | 467 | case SND_SOC_BIAS_STANDBY: |
09af98b0 MB |
468 | power1 |= WM8510_POWER1_BIASEN | WM8510_POWER1_BUFIOEN; |
469 | ||
ce6120cc | 470 | if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { |
94f17e9c AL |
471 | snd_soc_cache_sync(codec); |
472 | ||
09af98b0 | 473 | /* Initial cap charge at VMID 5k */ |
17a52fd6 | 474 | snd_soc_write(codec, WM8510_POWER1, power1 | 0x3); |
09af98b0 MB |
475 | mdelay(100); |
476 | } | |
477 | ||
478 | power1 |= 0x2; /* VMID 500k */ | |
17a52fd6 | 479 | snd_soc_write(codec, WM8510_POWER1, power1); |
5d421516 | 480 | break; |
09af98b0 | 481 | |
5d421516 | 482 | case SND_SOC_BIAS_OFF: |
17a52fd6 MB |
483 | snd_soc_write(codec, WM8510_POWER1, 0); |
484 | snd_soc_write(codec, WM8510_POWER2, 0); | |
485 | snd_soc_write(codec, WM8510_POWER3, 0); | |
5d421516 MB |
486 | break; |
487 | } | |
09af98b0 | 488 | |
ce6120cc | 489 | codec->dapm.bias_level = level; |
5d421516 MB |
490 | return 0; |
491 | } | |
492 | ||
493 | #define WM8510_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ | |
494 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ | |
495 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000) | |
496 | ||
497 | #define WM8510_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ | |
498 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) | |
499 | ||
85e7652d | 500 | static const struct snd_soc_dai_ops wm8510_dai_ops = { |
6335d055 EM |
501 | .hw_params = wm8510_pcm_hw_params, |
502 | .digital_mute = wm8510_mute, | |
503 | .set_fmt = wm8510_set_dai_fmt, | |
504 | .set_clkdiv = wm8510_set_dai_clkdiv, | |
505 | .set_pll = wm8510_set_dai_pll, | |
506 | }; | |
507 | ||
f0fba2ad LG |
508 | static struct snd_soc_dai_driver wm8510_dai = { |
509 | .name = "wm8510-hifi", | |
5d421516 MB |
510 | .playback = { |
511 | .stream_name = "Playback", | |
512 | .channels_min = 2, | |
513 | .channels_max = 2, | |
514 | .rates = WM8510_RATES, | |
515 | .formats = WM8510_FORMATS,}, | |
516 | .capture = { | |
517 | .stream_name = "Capture", | |
518 | .channels_min = 2, | |
519 | .channels_max = 2, | |
520 | .rates = WM8510_RATES, | |
521 | .formats = WM8510_FORMATS,}, | |
6335d055 | 522 | .ops = &wm8510_dai_ops, |
cc369cf5 | 523 | .symmetric_rates = 1, |
5d421516 | 524 | }; |
5d421516 | 525 | |
84b315ee | 526 | static int wm8510_suspend(struct snd_soc_codec *codec) |
5d421516 | 527 | { |
5d421516 MB |
528 | wm8510_set_bias_level(codec, SND_SOC_BIAS_OFF); |
529 | return 0; | |
530 | } | |
531 | ||
f0fba2ad | 532 | static int wm8510_resume(struct snd_soc_codec *codec) |
5d421516 | 533 | { |
5d421516 | 534 | wm8510_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
5d421516 MB |
535 | return 0; |
536 | } | |
537 | ||
f0fba2ad | 538 | static int wm8510_probe(struct snd_soc_codec *codec) |
5d421516 | 539 | { |
f0fba2ad LG |
540 | struct wm8510_priv *wm8510 = snd_soc_codec_get_drvdata(codec); |
541 | int ret; | |
5d421516 | 542 | |
f0fba2ad | 543 | ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8510->control_type); |
17a52fd6 | 544 | if (ret < 0) { |
f0fba2ad LG |
545 | printk(KERN_ERR "wm8510: failed to set cache I/O: %d\n", ret); |
546 | return ret; | |
17a52fd6 MB |
547 | } |
548 | ||
5d421516 MB |
549 | wm8510_reset(codec); |
550 | ||
5d421516 MB |
551 | /* power on device */ |
552 | wm8510_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | |
fe3e78e0 | 553 | |
5d421516 | 554 | return ret; |
5d421516 MB |
555 | } |
556 | ||
f0fba2ad LG |
557 | /* power down chip */ |
558 | static int wm8510_remove(struct snd_soc_codec *codec) | |
5d421516 | 559 | { |
f0fba2ad | 560 | struct wm8510_priv *wm8510 = snd_soc_codec_get_drvdata(codec); |
5d421516 | 561 | |
f0fba2ad LG |
562 | wm8510_set_bias_level(codec, SND_SOC_BIAS_OFF); |
563 | kfree(wm8510); | |
5d421516 MB |
564 | return 0; |
565 | } | |
566 | ||
f0fba2ad LG |
567 | static struct snd_soc_codec_driver soc_codec_dev_wm8510 = { |
568 | .probe = wm8510_probe, | |
569 | .remove = wm8510_remove, | |
570 | .suspend = wm8510_suspend, | |
571 | .resume = wm8510_resume, | |
572 | .set_bias_level = wm8510_set_bias_level, | |
573 | .reg_cache_size = ARRAY_SIZE(wm8510_reg), | |
574 | .reg_word_size = sizeof(u16), | |
575 | .reg_cache_default =wm8510_reg, | |
b6709f3b MB |
576 | |
577 | .controls = wm8510_snd_controls, | |
578 | .num_controls = ARRAY_SIZE(wm8510_snd_controls), | |
579 | .dapm_widgets = wm8510_dapm_widgets, | |
580 | .num_dapm_widgets = ARRAY_SIZE(wm8510_dapm_widgets), | |
581 | .dapm_routes = wm8510_dapm_routes, | |
582 | .num_dapm_routes = ARRAY_SIZE(wm8510_dapm_routes), | |
5d421516 MB |
583 | }; |
584 | ||
0a422e1a MB |
585 | static const struct of_device_id wm8510_of_match[] = { |
586 | { .compatible = "wlf,wm8510" }, | |
587 | { }, | |
588 | }; | |
589 | ||
5e357952 MB |
590 | #if defined(CONFIG_SPI_MASTER) |
591 | static int __devinit wm8510_spi_probe(struct spi_device *spi) | |
592 | { | |
f0fba2ad | 593 | struct wm8510_priv *wm8510; |
5e357952 MB |
594 | int ret; |
595 | ||
f0fba2ad LG |
596 | wm8510 = kzalloc(sizeof(struct wm8510_priv), GFP_KERNEL); |
597 | if (wm8510 == NULL) | |
598 | return -ENOMEM; | |
599 | ||
f0fba2ad LG |
600 | wm8510->control_type = SND_SOC_SPI; |
601 | spi_set_drvdata(spi, wm8510); | |
5e357952 | 602 | |
f0fba2ad LG |
603 | ret = snd_soc_register_codec(&spi->dev, |
604 | &soc_codec_dev_wm8510, &wm8510_dai, 1); | |
5e357952 | 605 | if (ret < 0) |
f0fba2ad | 606 | kfree(wm8510); |
5e357952 MB |
607 | return ret; |
608 | } | |
609 | ||
610 | static int __devexit wm8510_spi_remove(struct spi_device *spi) | |
611 | { | |
f0fba2ad | 612 | snd_soc_unregister_codec(&spi->dev); |
5e357952 MB |
613 | return 0; |
614 | } | |
615 | ||
616 | static struct spi_driver wm8510_spi_driver = { | |
617 | .driver = { | |
618 | .name = "wm8510", | |
5e357952 | 619 | .owner = THIS_MODULE, |
0a422e1a | 620 | .of_match_table = wm8510_of_match, |
5e357952 MB |
621 | }, |
622 | .probe = wm8510_spi_probe, | |
623 | .remove = __devexit_p(wm8510_spi_remove), | |
624 | }; | |
5e357952 MB |
625 | #endif /* CONFIG_SPI_MASTER */ |
626 | ||
f0fba2ad LG |
627 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
628 | static __devinit int wm8510_i2c_probe(struct i2c_client *i2c, | |
629 | const struct i2c_device_id *id) | |
5d421516 | 630 | { |
f0fba2ad LG |
631 | struct wm8510_priv *wm8510; |
632 | int ret; | |
5d421516 | 633 | |
f0fba2ad LG |
634 | wm8510 = kzalloc(sizeof(struct wm8510_priv), GFP_KERNEL); |
635 | if (wm8510 == NULL) | |
5d421516 MB |
636 | return -ENOMEM; |
637 | ||
f0fba2ad | 638 | i2c_set_clientdata(i2c, wm8510); |
f0fba2ad | 639 | wm8510->control_type = SND_SOC_I2C; |
5d421516 | 640 | |
f0fba2ad LG |
641 | ret = snd_soc_register_codec(&i2c->dev, |
642 | &soc_codec_dev_wm8510, &wm8510_dai, 1); | |
643 | if (ret < 0) | |
644 | kfree(wm8510); | |
5d421516 MB |
645 | return ret; |
646 | } | |
647 | ||
f0fba2ad | 648 | static __devexit int wm8510_i2c_remove(struct i2c_client *client) |
5d421516 | 649 | { |
f0fba2ad | 650 | snd_soc_unregister_codec(&client->dev); |
5d421516 MB |
651 | return 0; |
652 | } | |
653 | ||
f0fba2ad LG |
654 | static const struct i2c_device_id wm8510_i2c_id[] = { |
655 | { "wm8510", 0 }, | |
656 | { } | |
657 | }; | |
658 | MODULE_DEVICE_TABLE(i2c, wm8510_i2c_id); | |
659 | ||
660 | static struct i2c_driver wm8510_i2c_driver = { | |
661 | .driver = { | |
091edccf | 662 | .name = "wm8510", |
f0fba2ad | 663 | .owner = THIS_MODULE, |
0a422e1a | 664 | .of_match_table = wm8510_of_match, |
f0fba2ad LG |
665 | }, |
666 | .probe = wm8510_i2c_probe, | |
667 | .remove = __devexit_p(wm8510_i2c_remove), | |
668 | .id_table = wm8510_i2c_id, | |
5d421516 | 669 | }; |
f0fba2ad | 670 | #endif |
5d421516 | 671 | |
c9b3a40f | 672 | static int __init wm8510_modinit(void) |
64089b84 | 673 | { |
f0fba2ad LG |
674 | int ret = 0; |
675 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) | |
676 | ret = i2c_add_driver(&wm8510_i2c_driver); | |
677 | if (ret != 0) { | |
678 | printk(KERN_ERR "Failed to register WM8510 I2C driver: %d\n", | |
679 | ret); | |
680 | } | |
681 | #endif | |
682 | #if defined(CONFIG_SPI_MASTER) | |
683 | ret = spi_register_driver(&wm8510_spi_driver); | |
684 | if (ret != 0) { | |
685 | printk(KERN_ERR "Failed to register WM8510 SPI driver: %d\n", | |
686 | ret); | |
687 | } | |
688 | #endif | |
689 | return ret; | |
64089b84 MB |
690 | } |
691 | module_init(wm8510_modinit); | |
692 | ||
693 | static void __exit wm8510_exit(void) | |
694 | { | |
f0fba2ad LG |
695 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
696 | i2c_del_driver(&wm8510_i2c_driver); | |
697 | #endif | |
698 | #if defined(CONFIG_SPI_MASTER) | |
699 | spi_unregister_driver(&wm8510_spi_driver); | |
700 | #endif | |
64089b84 MB |
701 | } |
702 | module_exit(wm8510_exit); | |
703 | ||
5d421516 MB |
704 | MODULE_DESCRIPTION("ASoC WM8510 driver"); |
705 | MODULE_AUTHOR("Liam Girdwood"); | |
706 | MODULE_LICENSE("GPL"); |