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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 | ||
184 | static const struct snd_soc_dapm_route audio_map[] = { | |
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 | ||
216 | static int wm8510_add_widgets(struct snd_soc_codec *codec) | |
217 | { | |
ce6120cc | 218 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
5d421516 | 219 | |
ce6120cc LG |
220 | snd_soc_dapm_new_controls(dapm, wm8510_dapm_widgets, |
221 | ARRAY_SIZE(wm8510_dapm_widgets)); | |
222 | snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); | |
5d421516 | 223 | |
5d421516 MB |
224 | return 0; |
225 | } | |
226 | ||
227 | struct pll_ { | |
228 | unsigned int pre_div:4; /* prescale - 1 */ | |
229 | unsigned int n:4; | |
230 | unsigned int k; | |
231 | }; | |
232 | ||
233 | static struct pll_ pll_div; | |
234 | ||
235 | /* The size in bits of the pll divide multiplied by 10 | |
236 | * to allow rounding later */ | |
237 | #define FIXED_PLL_SIZE ((1 << 24) * 10) | |
238 | ||
239 | static void pll_factors(unsigned int target, unsigned int source) | |
240 | { | |
241 | unsigned long long Kpart; | |
242 | unsigned int K, Ndiv, Nmod; | |
243 | ||
244 | Ndiv = target / source; | |
245 | if (Ndiv < 6) { | |
246 | source >>= 1; | |
247 | pll_div.pre_div = 1; | |
248 | Ndiv = target / source; | |
249 | } else | |
250 | pll_div.pre_div = 0; | |
251 | ||
252 | if ((Ndiv < 6) || (Ndiv > 12)) | |
253 | printk(KERN_WARNING | |
449bd54d | 254 | "WM8510 N value %u outwith recommended range!d\n", |
5d421516 MB |
255 | Ndiv); |
256 | ||
257 | pll_div.n = Ndiv; | |
258 | Nmod = target % source; | |
259 | Kpart = FIXED_PLL_SIZE * (long long)Nmod; | |
260 | ||
261 | do_div(Kpart, source); | |
262 | ||
263 | K = Kpart & 0xFFFFFFFF; | |
264 | ||
265 | /* Check if we need to round */ | |
266 | if ((K % 10) >= 5) | |
267 | K += 5; | |
268 | ||
269 | /* Move down to proper range now rounding is done */ | |
270 | K /= 10; | |
271 | ||
272 | pll_div.k = K; | |
273 | } | |
274 | ||
85488037 MB |
275 | static int wm8510_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, |
276 | int source, unsigned int freq_in, unsigned int freq_out) | |
5d421516 MB |
277 | { |
278 | struct snd_soc_codec *codec = codec_dai->codec; | |
279 | u16 reg; | |
280 | ||
281 | if (freq_in == 0 || freq_out == 0) { | |
282 | /* Clock CODEC directly from MCLK */ | |
17a52fd6 MB |
283 | reg = snd_soc_read(codec, WM8510_CLOCK); |
284 | snd_soc_write(codec, WM8510_CLOCK, reg & 0x0ff); | |
5d421516 MB |
285 | |
286 | /* Turn off PLL */ | |
17a52fd6 MB |
287 | reg = snd_soc_read(codec, WM8510_POWER1); |
288 | snd_soc_write(codec, WM8510_POWER1, reg & 0x1df); | |
5d421516 MB |
289 | return 0; |
290 | } | |
291 | ||
86027ae7 | 292 | pll_factors(freq_out*4, freq_in); |
5d421516 | 293 | |
17a52fd6 MB |
294 | snd_soc_write(codec, WM8510_PLLN, (pll_div.pre_div << 4) | pll_div.n); |
295 | snd_soc_write(codec, WM8510_PLLK1, pll_div.k >> 18); | |
296 | snd_soc_write(codec, WM8510_PLLK2, (pll_div.k >> 9) & 0x1ff); | |
297 | snd_soc_write(codec, WM8510_PLLK3, pll_div.k & 0x1ff); | |
298 | reg = snd_soc_read(codec, WM8510_POWER1); | |
299 | snd_soc_write(codec, WM8510_POWER1, reg | 0x020); | |
5d421516 MB |
300 | |
301 | /* Run CODEC from PLL instead of MCLK */ | |
17a52fd6 MB |
302 | reg = snd_soc_read(codec, WM8510_CLOCK); |
303 | snd_soc_write(codec, WM8510_CLOCK, reg | 0x100); | |
5d421516 MB |
304 | |
305 | return 0; | |
306 | } | |
307 | ||
308 | /* | |
309 | * Configure WM8510 clock dividers. | |
310 | */ | |
e550e17f | 311 | static int wm8510_set_dai_clkdiv(struct snd_soc_dai *codec_dai, |
5d421516 MB |
312 | int div_id, int div) |
313 | { | |
314 | struct snd_soc_codec *codec = codec_dai->codec; | |
315 | u16 reg; | |
316 | ||
317 | switch (div_id) { | |
318 | case WM8510_OPCLKDIV: | |
17a52fd6 MB |
319 | reg = snd_soc_read(codec, WM8510_GPIO) & 0x1cf; |
320 | snd_soc_write(codec, WM8510_GPIO, reg | div); | |
5d421516 MB |
321 | break; |
322 | case WM8510_MCLKDIV: | |
17a52fd6 MB |
323 | reg = snd_soc_read(codec, WM8510_CLOCK) & 0x11f; |
324 | snd_soc_write(codec, WM8510_CLOCK, reg | div); | |
5d421516 MB |
325 | break; |
326 | case WM8510_ADCCLK: | |
17a52fd6 MB |
327 | reg = snd_soc_read(codec, WM8510_ADC) & 0x1f7; |
328 | snd_soc_write(codec, WM8510_ADC, reg | div); | |
5d421516 MB |
329 | break; |
330 | case WM8510_DACCLK: | |
17a52fd6 MB |
331 | reg = snd_soc_read(codec, WM8510_DAC) & 0x1f7; |
332 | snd_soc_write(codec, WM8510_DAC, reg | div); | |
5d421516 MB |
333 | break; |
334 | case WM8510_BCLKDIV: | |
17a52fd6 MB |
335 | reg = snd_soc_read(codec, WM8510_CLOCK) & 0x1e3; |
336 | snd_soc_write(codec, WM8510_CLOCK, reg | div); | |
5d421516 MB |
337 | break; |
338 | default: | |
339 | return -EINVAL; | |
340 | } | |
341 | ||
342 | return 0; | |
343 | } | |
344 | ||
e550e17f | 345 | static int wm8510_set_dai_fmt(struct snd_soc_dai *codec_dai, |
5d421516 MB |
346 | unsigned int fmt) |
347 | { | |
348 | struct snd_soc_codec *codec = codec_dai->codec; | |
349 | u16 iface = 0; | |
17a52fd6 | 350 | u16 clk = snd_soc_read(codec, WM8510_CLOCK) & 0x1fe; |
5d421516 MB |
351 | |
352 | /* set master/slave audio interface */ | |
353 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
354 | case SND_SOC_DAIFMT_CBM_CFM: | |
355 | clk |= 0x0001; | |
356 | break; | |
357 | case SND_SOC_DAIFMT_CBS_CFS: | |
358 | break; | |
359 | default: | |
360 | return -EINVAL; | |
361 | } | |
362 | ||
363 | /* interface format */ | |
364 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
365 | case SND_SOC_DAIFMT_I2S: | |
366 | iface |= 0x0010; | |
367 | break; | |
368 | case SND_SOC_DAIFMT_RIGHT_J: | |
369 | break; | |
370 | case SND_SOC_DAIFMT_LEFT_J: | |
371 | iface |= 0x0008; | |
372 | break; | |
373 | case SND_SOC_DAIFMT_DSP_A: | |
374 | iface |= 0x00018; | |
375 | break; | |
376 | default: | |
377 | return -EINVAL; | |
378 | } | |
379 | ||
380 | /* clock inversion */ | |
381 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
382 | case SND_SOC_DAIFMT_NB_NF: | |
383 | break; | |
384 | case SND_SOC_DAIFMT_IB_IF: | |
385 | iface |= 0x0180; | |
386 | break; | |
387 | case SND_SOC_DAIFMT_IB_NF: | |
388 | iface |= 0x0100; | |
389 | break; | |
390 | case SND_SOC_DAIFMT_NB_IF: | |
391 | iface |= 0x0080; | |
392 | break; | |
393 | default: | |
394 | return -EINVAL; | |
395 | } | |
396 | ||
17a52fd6 MB |
397 | snd_soc_write(codec, WM8510_IFACE, iface); |
398 | snd_soc_write(codec, WM8510_CLOCK, clk); | |
5d421516 MB |
399 | return 0; |
400 | } | |
401 | ||
402 | static int wm8510_pcm_hw_params(struct snd_pcm_substream *substream, | |
dee89c4d MB |
403 | struct snd_pcm_hw_params *params, |
404 | struct snd_soc_dai *dai) | |
5d421516 MB |
405 | { |
406 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 407 | struct snd_soc_codec *codec = rtd->codec; |
17a52fd6 MB |
408 | u16 iface = snd_soc_read(codec, WM8510_IFACE) & 0x19f; |
409 | u16 adn = snd_soc_read(codec, WM8510_ADD) & 0x1f1; | |
5d421516 MB |
410 | |
411 | /* bit size */ | |
412 | switch (params_format(params)) { | |
413 | case SNDRV_PCM_FORMAT_S16_LE: | |
414 | break; | |
415 | case SNDRV_PCM_FORMAT_S20_3LE: | |
416 | iface |= 0x0020; | |
417 | break; | |
418 | case SNDRV_PCM_FORMAT_S24_LE: | |
419 | iface |= 0x0040; | |
420 | break; | |
421 | case SNDRV_PCM_FORMAT_S32_LE: | |
422 | iface |= 0x0060; | |
423 | break; | |
424 | } | |
425 | ||
426 | /* filter coefficient */ | |
427 | switch (params_rate(params)) { | |
b3172f22 | 428 | case 8000: |
5d421516 MB |
429 | adn |= 0x5 << 1; |
430 | break; | |
b3172f22 | 431 | case 11025: |
5d421516 MB |
432 | adn |= 0x4 << 1; |
433 | break; | |
b3172f22 | 434 | case 16000: |
5d421516 MB |
435 | adn |= 0x3 << 1; |
436 | break; | |
b3172f22 | 437 | case 22050: |
5d421516 MB |
438 | adn |= 0x2 << 1; |
439 | break; | |
b3172f22 | 440 | case 32000: |
5d421516 MB |
441 | adn |= 0x1 << 1; |
442 | break; | |
b3172f22 GL |
443 | case 44100: |
444 | case 48000: | |
5d421516 MB |
445 | break; |
446 | } | |
447 | ||
17a52fd6 MB |
448 | snd_soc_write(codec, WM8510_IFACE, iface); |
449 | snd_soc_write(codec, WM8510_ADD, adn); | |
5d421516 MB |
450 | return 0; |
451 | } | |
452 | ||
e550e17f | 453 | static int wm8510_mute(struct snd_soc_dai *dai, int mute) |
5d421516 MB |
454 | { |
455 | struct snd_soc_codec *codec = dai->codec; | |
17a52fd6 | 456 | u16 mute_reg = snd_soc_read(codec, WM8510_DAC) & 0xffbf; |
5d421516 MB |
457 | |
458 | if (mute) | |
17a52fd6 | 459 | snd_soc_write(codec, WM8510_DAC, mute_reg | 0x40); |
5d421516 | 460 | else |
17a52fd6 | 461 | snd_soc_write(codec, WM8510_DAC, mute_reg); |
5d421516 MB |
462 | return 0; |
463 | } | |
464 | ||
465 | /* liam need to make this lower power with dapm */ | |
466 | static int wm8510_set_bias_level(struct snd_soc_codec *codec, | |
467 | enum snd_soc_bias_level level) | |
468 | { | |
17a52fd6 | 469 | u16 power1 = snd_soc_read(codec, WM8510_POWER1) & ~0x3; |
5d421516 MB |
470 | |
471 | switch (level) { | |
472 | case SND_SOC_BIAS_ON: | |
5d421516 | 473 | case SND_SOC_BIAS_PREPARE: |
09af98b0 | 474 | power1 |= 0x1; /* VMID 50k */ |
17a52fd6 | 475 | snd_soc_write(codec, WM8510_POWER1, power1); |
09af98b0 MB |
476 | break; |
477 | ||
5d421516 | 478 | case SND_SOC_BIAS_STANDBY: |
09af98b0 MB |
479 | power1 |= WM8510_POWER1_BIASEN | WM8510_POWER1_BUFIOEN; |
480 | ||
ce6120cc | 481 | if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { |
94f17e9c AL |
482 | snd_soc_cache_sync(codec); |
483 | ||
09af98b0 | 484 | /* Initial cap charge at VMID 5k */ |
17a52fd6 | 485 | snd_soc_write(codec, WM8510_POWER1, power1 | 0x3); |
09af98b0 MB |
486 | mdelay(100); |
487 | } | |
488 | ||
489 | power1 |= 0x2; /* VMID 500k */ | |
17a52fd6 | 490 | snd_soc_write(codec, WM8510_POWER1, power1); |
5d421516 | 491 | break; |
09af98b0 | 492 | |
5d421516 | 493 | case SND_SOC_BIAS_OFF: |
17a52fd6 MB |
494 | snd_soc_write(codec, WM8510_POWER1, 0); |
495 | snd_soc_write(codec, WM8510_POWER2, 0); | |
496 | snd_soc_write(codec, WM8510_POWER3, 0); | |
5d421516 MB |
497 | break; |
498 | } | |
09af98b0 | 499 | |
ce6120cc | 500 | codec->dapm.bias_level = level; |
5d421516 MB |
501 | return 0; |
502 | } | |
503 | ||
504 | #define WM8510_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ | |
505 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ | |
506 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000) | |
507 | ||
508 | #define WM8510_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ | |
509 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) | |
510 | ||
85e7652d | 511 | static const struct snd_soc_dai_ops wm8510_dai_ops = { |
6335d055 EM |
512 | .hw_params = wm8510_pcm_hw_params, |
513 | .digital_mute = wm8510_mute, | |
514 | .set_fmt = wm8510_set_dai_fmt, | |
515 | .set_clkdiv = wm8510_set_dai_clkdiv, | |
516 | .set_pll = wm8510_set_dai_pll, | |
517 | }; | |
518 | ||
f0fba2ad LG |
519 | static struct snd_soc_dai_driver wm8510_dai = { |
520 | .name = "wm8510-hifi", | |
5d421516 MB |
521 | .playback = { |
522 | .stream_name = "Playback", | |
523 | .channels_min = 2, | |
524 | .channels_max = 2, | |
525 | .rates = WM8510_RATES, | |
526 | .formats = WM8510_FORMATS,}, | |
527 | .capture = { | |
528 | .stream_name = "Capture", | |
529 | .channels_min = 2, | |
530 | .channels_max = 2, | |
531 | .rates = WM8510_RATES, | |
532 | .formats = WM8510_FORMATS,}, | |
6335d055 | 533 | .ops = &wm8510_dai_ops, |
cc369cf5 | 534 | .symmetric_rates = 1, |
5d421516 | 535 | }; |
5d421516 | 536 | |
84b315ee | 537 | static int wm8510_suspend(struct snd_soc_codec *codec) |
5d421516 | 538 | { |
5d421516 MB |
539 | wm8510_set_bias_level(codec, SND_SOC_BIAS_OFF); |
540 | return 0; | |
541 | } | |
542 | ||
f0fba2ad | 543 | static int wm8510_resume(struct snd_soc_codec *codec) |
5d421516 | 544 | { |
5d421516 | 545 | wm8510_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
5d421516 MB |
546 | return 0; |
547 | } | |
548 | ||
f0fba2ad | 549 | static int wm8510_probe(struct snd_soc_codec *codec) |
5d421516 | 550 | { |
f0fba2ad LG |
551 | struct wm8510_priv *wm8510 = snd_soc_codec_get_drvdata(codec); |
552 | int ret; | |
5d421516 | 553 | |
f0fba2ad | 554 | ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8510->control_type); |
17a52fd6 | 555 | if (ret < 0) { |
f0fba2ad LG |
556 | printk(KERN_ERR "wm8510: failed to set cache I/O: %d\n", ret); |
557 | return ret; | |
17a52fd6 MB |
558 | } |
559 | ||
5d421516 MB |
560 | wm8510_reset(codec); |
561 | ||
5d421516 MB |
562 | /* power on device */ |
563 | wm8510_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | |
3e8e1952 IM |
564 | snd_soc_add_controls(codec, wm8510_snd_controls, |
565 | ARRAY_SIZE(wm8510_snd_controls)); | |
5d421516 | 566 | wm8510_add_widgets(codec); |
fe3e78e0 | 567 | |
5d421516 | 568 | return ret; |
5d421516 MB |
569 | } |
570 | ||
f0fba2ad LG |
571 | /* power down chip */ |
572 | static int wm8510_remove(struct snd_soc_codec *codec) | |
5d421516 | 573 | { |
f0fba2ad | 574 | struct wm8510_priv *wm8510 = snd_soc_codec_get_drvdata(codec); |
5d421516 | 575 | |
f0fba2ad LG |
576 | wm8510_set_bias_level(codec, SND_SOC_BIAS_OFF); |
577 | kfree(wm8510); | |
5d421516 MB |
578 | return 0; |
579 | } | |
580 | ||
f0fba2ad LG |
581 | static struct snd_soc_codec_driver soc_codec_dev_wm8510 = { |
582 | .probe = wm8510_probe, | |
583 | .remove = wm8510_remove, | |
584 | .suspend = wm8510_suspend, | |
585 | .resume = wm8510_resume, | |
586 | .set_bias_level = wm8510_set_bias_level, | |
587 | .reg_cache_size = ARRAY_SIZE(wm8510_reg), | |
588 | .reg_word_size = sizeof(u16), | |
589 | .reg_cache_default =wm8510_reg, | |
5d421516 MB |
590 | }; |
591 | ||
0a422e1a MB |
592 | static const struct of_device_id wm8510_of_match[] = { |
593 | { .compatible = "wlf,wm8510" }, | |
594 | { }, | |
595 | }; | |
596 | ||
5e357952 MB |
597 | #if defined(CONFIG_SPI_MASTER) |
598 | static int __devinit wm8510_spi_probe(struct spi_device *spi) | |
599 | { | |
f0fba2ad | 600 | struct wm8510_priv *wm8510; |
5e357952 MB |
601 | int ret; |
602 | ||
f0fba2ad LG |
603 | wm8510 = kzalloc(sizeof(struct wm8510_priv), GFP_KERNEL); |
604 | if (wm8510 == NULL) | |
605 | return -ENOMEM; | |
606 | ||
f0fba2ad LG |
607 | wm8510->control_type = SND_SOC_SPI; |
608 | spi_set_drvdata(spi, wm8510); | |
5e357952 | 609 | |
f0fba2ad LG |
610 | ret = snd_soc_register_codec(&spi->dev, |
611 | &soc_codec_dev_wm8510, &wm8510_dai, 1); | |
5e357952 | 612 | if (ret < 0) |
f0fba2ad | 613 | kfree(wm8510); |
5e357952 MB |
614 | return ret; |
615 | } | |
616 | ||
617 | static int __devexit wm8510_spi_remove(struct spi_device *spi) | |
618 | { | |
f0fba2ad | 619 | snd_soc_unregister_codec(&spi->dev); |
5e357952 MB |
620 | return 0; |
621 | } | |
622 | ||
623 | static struct spi_driver wm8510_spi_driver = { | |
624 | .driver = { | |
625 | .name = "wm8510", | |
5e357952 | 626 | .owner = THIS_MODULE, |
0a422e1a | 627 | .of_match_table = wm8510_of_match, |
5e357952 MB |
628 | }, |
629 | .probe = wm8510_spi_probe, | |
630 | .remove = __devexit_p(wm8510_spi_remove), | |
631 | }; | |
5e357952 MB |
632 | #endif /* CONFIG_SPI_MASTER */ |
633 | ||
f0fba2ad LG |
634 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
635 | static __devinit int wm8510_i2c_probe(struct i2c_client *i2c, | |
636 | const struct i2c_device_id *id) | |
5d421516 | 637 | { |
f0fba2ad LG |
638 | struct wm8510_priv *wm8510; |
639 | int ret; | |
5d421516 | 640 | |
f0fba2ad LG |
641 | wm8510 = kzalloc(sizeof(struct wm8510_priv), GFP_KERNEL); |
642 | if (wm8510 == NULL) | |
5d421516 MB |
643 | return -ENOMEM; |
644 | ||
f0fba2ad | 645 | i2c_set_clientdata(i2c, wm8510); |
f0fba2ad | 646 | wm8510->control_type = SND_SOC_I2C; |
5d421516 | 647 | |
f0fba2ad LG |
648 | ret = snd_soc_register_codec(&i2c->dev, |
649 | &soc_codec_dev_wm8510, &wm8510_dai, 1); | |
650 | if (ret < 0) | |
651 | kfree(wm8510); | |
5d421516 MB |
652 | return ret; |
653 | } | |
654 | ||
f0fba2ad | 655 | static __devexit int wm8510_i2c_remove(struct i2c_client *client) |
5d421516 | 656 | { |
f0fba2ad | 657 | snd_soc_unregister_codec(&client->dev); |
5d421516 MB |
658 | return 0; |
659 | } | |
660 | ||
f0fba2ad LG |
661 | static const struct i2c_device_id wm8510_i2c_id[] = { |
662 | { "wm8510", 0 }, | |
663 | { } | |
664 | }; | |
665 | MODULE_DEVICE_TABLE(i2c, wm8510_i2c_id); | |
666 | ||
667 | static struct i2c_driver wm8510_i2c_driver = { | |
668 | .driver = { | |
091edccf | 669 | .name = "wm8510", |
f0fba2ad | 670 | .owner = THIS_MODULE, |
0a422e1a | 671 | .of_match_table = wm8510_of_match, |
f0fba2ad LG |
672 | }, |
673 | .probe = wm8510_i2c_probe, | |
674 | .remove = __devexit_p(wm8510_i2c_remove), | |
675 | .id_table = wm8510_i2c_id, | |
5d421516 | 676 | }; |
f0fba2ad | 677 | #endif |
5d421516 | 678 | |
c9b3a40f | 679 | static int __init wm8510_modinit(void) |
64089b84 | 680 | { |
f0fba2ad LG |
681 | int ret = 0; |
682 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) | |
683 | ret = i2c_add_driver(&wm8510_i2c_driver); | |
684 | if (ret != 0) { | |
685 | printk(KERN_ERR "Failed to register WM8510 I2C driver: %d\n", | |
686 | ret); | |
687 | } | |
688 | #endif | |
689 | #if defined(CONFIG_SPI_MASTER) | |
690 | ret = spi_register_driver(&wm8510_spi_driver); | |
691 | if (ret != 0) { | |
692 | printk(KERN_ERR "Failed to register WM8510 SPI driver: %d\n", | |
693 | ret); | |
694 | } | |
695 | #endif | |
696 | return ret; | |
64089b84 MB |
697 | } |
698 | module_init(wm8510_modinit); | |
699 | ||
700 | static void __exit wm8510_exit(void) | |
701 | { | |
f0fba2ad LG |
702 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
703 | i2c_del_driver(&wm8510_i2c_driver); | |
704 | #endif | |
705 | #if defined(CONFIG_SPI_MASTER) | |
706 | spi_unregister_driver(&wm8510_spi_driver); | |
707 | #endif | |
64089b84 MB |
708 | } |
709 | module_exit(wm8510_exit); | |
710 | ||
5d421516 MB |
711 | MODULE_DESCRIPTION("ASoC WM8510 driver"); |
712 | MODULE_AUTHOR("Liam Girdwood"); | |
713 | MODULE_LICENSE("GPL"); |