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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>
20#include <linux/platform_device.h>
21#include <linux/spi/spi.h>
22#include <linux/slab.h>
23#include <linux/of_device.h>
24#include <sound/core.h>
25#include <sound/pcm.h>
26#include <sound/pcm_params.h>
27#include <sound/soc.h>
28#include <sound/initval.h>
29
30#include "wm8510.h"
31
32
33
34
35
36
37static const u16 wm8510_reg[WM8510_CACHEREGNUM] = {
38 0x0000, 0x0000, 0x0000, 0x0000,
39 0x0050, 0x0000, 0x0140, 0x0000,
40 0x0000, 0x0000, 0x0000, 0x00ff,
41 0x0000, 0x0000, 0x0100, 0x00ff,
42 0x0000, 0x0000, 0x012c, 0x002c,
43 0x002c, 0x002c, 0x002c, 0x0000,
44 0x0032, 0x0000, 0x0000, 0x0000,
45 0x0000, 0x0000, 0x0000, 0x0000,
46 0x0038, 0x000b, 0x0032, 0x0000,
47 0x0008, 0x000c, 0x0093, 0x00e9,
48 0x0000, 0x0000, 0x0000, 0x0000,
49 0x0003, 0x0010, 0x0000, 0x0000,
50 0x0000, 0x0002, 0x0001, 0x0000,
51 0x0000, 0x0000, 0x0039, 0x0000,
52 0x0001,
53};
54
55#define WM8510_POWER1_BIASEN 0x08
56#define WM8510_POWER1_BUFIOEN 0x10
57
58#define wm8510_reset(c) snd_soc_write(c, WM8510_RESET, 0)
59
60
61struct wm8510_priv {
62 enum snd_soc_control_type control_type;
63};
64
65static const char *wm8510_companding[] = { "Off", "NC", "u-law", "A-law" };
66static const char *wm8510_deemp[] = { "None", "32kHz", "44.1kHz", "48kHz" };
67static const char *wm8510_alc[] = { "ALC", "Limiter" };
68
69static const struct soc_enum wm8510_enum[] = {
70 SOC_ENUM_SINGLE(WM8510_COMP, 1, 4, wm8510_companding),
71 SOC_ENUM_SINGLE(WM8510_COMP, 3, 4, wm8510_companding),
72 SOC_ENUM_SINGLE(WM8510_DAC, 4, 4, wm8510_deemp),
73 SOC_ENUM_SINGLE(WM8510_ALC3, 8, 2, wm8510_alc),
74};
75
76static const struct snd_kcontrol_new wm8510_snd_controls[] = {
77
78SOC_SINGLE("Digital Loopback Switch", WM8510_COMP, 0, 1, 0),
79
80SOC_ENUM("DAC Companding", wm8510_enum[1]),
81SOC_ENUM("ADC Companding", wm8510_enum[0]),
82
83SOC_ENUM("Playback De-emphasis", wm8510_enum[2]),
84SOC_SINGLE("DAC Inversion Switch", WM8510_DAC, 0, 1, 0),
85
86SOC_SINGLE("Master Playback Volume", WM8510_DACVOL, 0, 127, 0),
87
88SOC_SINGLE("High Pass Filter Switch", WM8510_ADC, 8, 1, 0),
89SOC_SINGLE("High Pass Cut Off", WM8510_ADC, 4, 7, 0),
90SOC_SINGLE("ADC Inversion Switch", WM8510_COMP, 0, 1, 0),
91
92SOC_SINGLE("Capture Volume", WM8510_ADCVOL, 0, 127, 0),
93
94SOC_SINGLE("DAC Playback Limiter Switch", WM8510_DACLIM1, 8, 1, 0),
95SOC_SINGLE("DAC Playback Limiter Decay", WM8510_DACLIM1, 4, 15, 0),
96SOC_SINGLE("DAC Playback Limiter Attack", WM8510_DACLIM1, 0, 15, 0),
97
98SOC_SINGLE("DAC Playback Limiter Threshold", WM8510_DACLIM2, 4, 7, 0),
99SOC_SINGLE("DAC Playback Limiter Boost", WM8510_DACLIM2, 0, 15, 0),
100
101SOC_SINGLE("ALC Enable Switch", WM8510_ALC1, 8, 1, 0),
102SOC_SINGLE("ALC Capture Max Gain", WM8510_ALC1, 3, 7, 0),
103SOC_SINGLE("ALC Capture Min Gain", WM8510_ALC1, 0, 7, 0),
104
105SOC_SINGLE("ALC Capture ZC Switch", WM8510_ALC2, 8, 1, 0),
106SOC_SINGLE("ALC Capture Hold", WM8510_ALC2, 4, 7, 0),
107SOC_SINGLE("ALC Capture Target", WM8510_ALC2, 0, 15, 0),
108
109SOC_ENUM("ALC Capture Mode", wm8510_enum[3]),
110SOC_SINGLE("ALC Capture Decay", WM8510_ALC3, 4, 15, 0),
111SOC_SINGLE("ALC Capture Attack", WM8510_ALC3, 0, 15, 0),
112
113SOC_SINGLE("ALC Capture Noise Gate Switch", WM8510_NGATE, 3, 1, 0),
114SOC_SINGLE("ALC Capture Noise Gate Threshold", WM8510_NGATE, 0, 7, 0),
115
116SOC_SINGLE("Capture PGA ZC Switch", WM8510_INPPGA, 7, 1, 0),
117SOC_SINGLE("Capture PGA Volume", WM8510_INPPGA, 0, 63, 0),
118
119SOC_SINGLE("Speaker Playback ZC Switch", WM8510_SPKVOL, 7, 1, 0),
120SOC_SINGLE("Speaker Playback Switch", WM8510_SPKVOL, 6, 1, 1),
121SOC_SINGLE("Speaker Playback Volume", WM8510_SPKVOL, 0, 63, 0),
122SOC_SINGLE("Speaker Boost", WM8510_OUTPUT, 2, 1, 0),
123
124SOC_SINGLE("Capture Boost(+20dB)", WM8510_ADCBOOST, 8, 1, 0),
125SOC_SINGLE("Mono Playback Switch", WM8510_MONOMIX, 6, 1, 1),
126};
127
128
129static const struct snd_kcontrol_new wm8510_speaker_mixer_controls[] = {
130SOC_DAPM_SINGLE("Line Bypass Switch", WM8510_SPKMIX, 1, 1, 0),
131SOC_DAPM_SINGLE("Aux Playback Switch", WM8510_SPKMIX, 5, 1, 0),
132SOC_DAPM_SINGLE("PCM Playback Switch", WM8510_SPKMIX, 0, 1, 0),
133};
134
135
136static const struct snd_kcontrol_new wm8510_mono_mixer_controls[] = {
137SOC_DAPM_SINGLE("Line Bypass Switch", WM8510_MONOMIX, 1, 1, 0),
138SOC_DAPM_SINGLE("Aux Playback Switch", WM8510_MONOMIX, 2, 1, 0),
139SOC_DAPM_SINGLE("PCM Playback Switch", WM8510_MONOMIX, 0, 1, 0),
140};
141
142static const struct snd_kcontrol_new wm8510_boost_controls[] = {
143SOC_DAPM_SINGLE("Mic PGA Switch", WM8510_INPPGA, 6, 1, 1),
144SOC_DAPM_SINGLE("Aux Volume", WM8510_ADCBOOST, 0, 7, 0),
145SOC_DAPM_SINGLE("Mic Volume", WM8510_ADCBOOST, 4, 7, 0),
146};
147
148static const struct snd_kcontrol_new wm8510_micpga_controls[] = {
149SOC_DAPM_SINGLE("MICP Switch", WM8510_INPUT, 0, 1, 0),
150SOC_DAPM_SINGLE("MICN Switch", WM8510_INPUT, 1, 1, 0),
151SOC_DAPM_SINGLE("AUX Switch", WM8510_INPUT, 2, 1, 0),
152};
153
154static const struct snd_soc_dapm_widget wm8510_dapm_widgets[] = {
155SND_SOC_DAPM_MIXER("Speaker Mixer", WM8510_POWER3, 2, 0,
156 &wm8510_speaker_mixer_controls[0],
157 ARRAY_SIZE(wm8510_speaker_mixer_controls)),
158SND_SOC_DAPM_MIXER("Mono Mixer", WM8510_POWER3, 3, 0,
159 &wm8510_mono_mixer_controls[0],
160 ARRAY_SIZE(wm8510_mono_mixer_controls)),
161SND_SOC_DAPM_DAC("DAC", "HiFi Playback", WM8510_POWER3, 0, 0),
162SND_SOC_DAPM_ADC("ADC", "HiFi Capture", WM8510_POWER2, 0, 0),
163SND_SOC_DAPM_PGA("Aux Input", WM8510_POWER1, 6, 0, NULL, 0),
164SND_SOC_DAPM_PGA("SpkN Out", WM8510_POWER3, 5, 0, NULL, 0),
165SND_SOC_DAPM_PGA("SpkP Out", WM8510_POWER3, 6, 0, NULL, 0),
166SND_SOC_DAPM_PGA("Mono Out", WM8510_POWER3, 7, 0, NULL, 0),
167
168SND_SOC_DAPM_MIXER("Mic PGA", WM8510_POWER2, 2, 0,
169 &wm8510_micpga_controls[0],
170 ARRAY_SIZE(wm8510_micpga_controls)),
171SND_SOC_DAPM_MIXER("Boost Mixer", WM8510_POWER2, 4, 0,
172 &wm8510_boost_controls[0],
173 ARRAY_SIZE(wm8510_boost_controls)),
174
175SND_SOC_DAPM_MICBIAS("Mic Bias", WM8510_POWER1, 4, 0),
176
177SND_SOC_DAPM_INPUT("MICN"),
178SND_SOC_DAPM_INPUT("MICP"),
179SND_SOC_DAPM_INPUT("AUX"),
180SND_SOC_DAPM_OUTPUT("MONOOUT"),
181SND_SOC_DAPM_OUTPUT("SPKOUTP"),
182SND_SOC_DAPM_OUTPUT("SPKOUTN"),
183};
184
185static const struct snd_soc_dapm_route audio_map[] = {
186
187 {"Mono Mixer", "PCM Playback Switch", "DAC"},
188 {"Mono Mixer", "Aux Playback Switch", "Aux Input"},
189 {"Mono Mixer", "Line Bypass Switch", "Boost Mixer"},
190
191
192 {"Speaker Mixer", "PCM Playback Switch", "DAC"},
193 {"Speaker Mixer", "Aux Playback Switch", "Aux Input"},
194 {"Speaker Mixer", "Line Bypass Switch", "Boost Mixer"},
195
196
197 {"Mono Out", NULL, "Mono Mixer"},
198 {"MONOOUT", NULL, "Mono Out"},
199 {"SpkN Out", NULL, "Speaker Mixer"},
200 {"SpkP Out", NULL, "Speaker Mixer"},
201 {"SPKOUTN", NULL, "SpkN Out"},
202 {"SPKOUTP", NULL, "SpkP Out"},
203
204
205 {"Mic PGA", "MICN Switch", "MICN"},
206 {"Mic PGA", "MICP Switch", "MICP"},
207 { "Mic PGA", "AUX Switch", "Aux Input" },
208
209
210 {"Boost Mixer", "Mic PGA Switch", "Mic PGA"},
211 {"Boost Mixer", "Mic Volume", "MICP"},
212 {"Boost Mixer", "Aux Volume", "Aux Input"},
213
214 {"ADC", NULL, "Boost Mixer"},
215};
216
217static int wm8510_add_widgets(struct snd_soc_codec *codec)
218{
219 struct snd_soc_dapm_context *dapm = &codec->dapm;
220
221 snd_soc_dapm_new_controls(dapm, wm8510_dapm_widgets,
222 ARRAY_SIZE(wm8510_dapm_widgets));
223 snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
224
225 return 0;
226}
227
228struct pll_ {
229 unsigned int pre_div:4;
230 unsigned int n:4;
231 unsigned int k;
232};
233
234static struct pll_ pll_div;
235
236
237
238#define FIXED_PLL_SIZE ((1 << 24) * 10)
239
240static void pll_factors(unsigned int target, unsigned int source)
241{
242 unsigned long long Kpart;
243 unsigned int K, Ndiv, Nmod;
244
245 Ndiv = target / source;
246 if (Ndiv < 6) {
247 source >>= 1;
248 pll_div.pre_div = 1;
249 Ndiv = target / source;
250 } else
251 pll_div.pre_div = 0;
252
253 if ((Ndiv < 6) || (Ndiv > 12))
254 printk(KERN_WARNING
255 "WM8510 N value %u outwith recommended range!d\n",
256 Ndiv);
257
258 pll_div.n = Ndiv;
259 Nmod = target % source;
260 Kpart = FIXED_PLL_SIZE * (long long)Nmod;
261
262 do_div(Kpart, source);
263
264 K = Kpart & 0xFFFFFFFF;
265
266
267 if ((K % 10) >= 5)
268 K += 5;
269
270
271 K /= 10;
272
273 pll_div.k = K;
274}
275
276static int wm8510_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
277 int source, unsigned int freq_in, unsigned int freq_out)
278{
279 struct snd_soc_codec *codec = codec_dai->codec;
280 u16 reg;
281
282 if (freq_in == 0 || freq_out == 0) {
283
284 reg = snd_soc_read(codec, WM8510_CLOCK);
285 snd_soc_write(codec, WM8510_CLOCK, reg & 0x0ff);
286
287
288 reg = snd_soc_read(codec, WM8510_POWER1);
289 snd_soc_write(codec, WM8510_POWER1, reg & 0x1df);
290 return 0;
291 }
292
293 pll_factors(freq_out*4, freq_in);
294
295 snd_soc_write(codec, WM8510_PLLN, (pll_div.pre_div << 4) | pll_div.n);
296 snd_soc_write(codec, WM8510_PLLK1, pll_div.k >> 18);
297 snd_soc_write(codec, WM8510_PLLK2, (pll_div.k >> 9) & 0x1ff);
298 snd_soc_write(codec, WM8510_PLLK3, pll_div.k & 0x1ff);
299 reg = snd_soc_read(codec, WM8510_POWER1);
300 snd_soc_write(codec, WM8510_POWER1, reg | 0x020);
301
302
303 reg = snd_soc_read(codec, WM8510_CLOCK);
304 snd_soc_write(codec, WM8510_CLOCK, reg | 0x100);
305
306 return 0;
307}
308
309
310
311
312static int wm8510_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
313 int div_id, int div)
314{
315 struct snd_soc_codec *codec = codec_dai->codec;
316 u16 reg;
317
318 switch (div_id) {
319 case WM8510_OPCLKDIV:
320 reg = snd_soc_read(codec, WM8510_GPIO) & 0x1cf;
321 snd_soc_write(codec, WM8510_GPIO, reg | div);
322 break;
323 case WM8510_MCLKDIV:
324 reg = snd_soc_read(codec, WM8510_CLOCK) & 0x11f;
325 snd_soc_write(codec, WM8510_CLOCK, reg | div);
326 break;
327 case WM8510_ADCCLK:
328 reg = snd_soc_read(codec, WM8510_ADC) & 0x1f7;
329 snd_soc_write(codec, WM8510_ADC, reg | div);
330 break;
331 case WM8510_DACCLK:
332 reg = snd_soc_read(codec, WM8510_DAC) & 0x1f7;
333 snd_soc_write(codec, WM8510_DAC, reg | div);
334 break;
335 case WM8510_BCLKDIV:
336 reg = snd_soc_read(codec, WM8510_CLOCK) & 0x1e3;
337 snd_soc_write(codec, WM8510_CLOCK, reg | div);
338 break;
339 default:
340 return -EINVAL;
341 }
342
343 return 0;
344}
345
346static int wm8510_set_dai_fmt(struct snd_soc_dai *codec_dai,
347 unsigned int fmt)
348{
349 struct snd_soc_codec *codec = codec_dai->codec;
350 u16 iface = 0;
351 u16 clk = snd_soc_read(codec, WM8510_CLOCK) & 0x1fe;
352
353
354 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
355 case SND_SOC_DAIFMT_CBM_CFM:
356 clk |= 0x0001;
357 break;
358 case SND_SOC_DAIFMT_CBS_CFS:
359 break;
360 default:
361 return -EINVAL;
362 }
363
364
365 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
366 case SND_SOC_DAIFMT_I2S:
367 iface |= 0x0010;
368 break;
369 case SND_SOC_DAIFMT_RIGHT_J:
370 break;
371 case SND_SOC_DAIFMT_LEFT_J:
372 iface |= 0x0008;
373 break;
374 case SND_SOC_DAIFMT_DSP_A:
375 iface |= 0x00018;
376 break;
377 default:
378 return -EINVAL;
379 }
380
381
382 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
383 case SND_SOC_DAIFMT_NB_NF:
384 break;
385 case SND_SOC_DAIFMT_IB_IF:
386 iface |= 0x0180;
387 break;
388 case SND_SOC_DAIFMT_IB_NF:
389 iface |= 0x0100;
390 break;
391 case SND_SOC_DAIFMT_NB_IF:
392 iface |= 0x0080;
393 break;
394 default:
395 return -EINVAL;
396 }
397
398 snd_soc_write(codec, WM8510_IFACE, iface);
399 snd_soc_write(codec, WM8510_CLOCK, clk);
400 return 0;
401}
402
403static int wm8510_pcm_hw_params(struct snd_pcm_substream *substream,
404 struct snd_pcm_hw_params *params,
405 struct snd_soc_dai *dai)
406{
407 struct snd_soc_pcm_runtime *rtd = substream->private_data;
408 struct snd_soc_codec *codec = rtd->codec;
409 u16 iface = snd_soc_read(codec, WM8510_IFACE) & 0x19f;
410 u16 adn = snd_soc_read(codec, WM8510_ADD) & 0x1f1;
411
412
413 switch (params_format(params)) {
414 case SNDRV_PCM_FORMAT_S16_LE:
415 break;
416 case SNDRV_PCM_FORMAT_S20_3LE:
417 iface |= 0x0020;
418 break;
419 case SNDRV_PCM_FORMAT_S24_LE:
420 iface |= 0x0040;
421 break;
422 case SNDRV_PCM_FORMAT_S32_LE:
423 iface |= 0x0060;
424 break;
425 }
426
427
428 switch (params_rate(params)) {
429 case 8000:
430 adn |= 0x5 << 1;
431 break;
432 case 11025:
433 adn |= 0x4 << 1;
434 break;
435 case 16000:
436 adn |= 0x3 << 1;
437 break;
438 case 22050:
439 adn |= 0x2 << 1;
440 break;
441 case 32000:
442 adn |= 0x1 << 1;
443 break;
444 case 44100:
445 case 48000:
446 break;
447 }
448
449 snd_soc_write(codec, WM8510_IFACE, iface);
450 snd_soc_write(codec, WM8510_ADD, adn);
451 return 0;
452}
453
454static int wm8510_mute(struct snd_soc_dai *dai, int mute)
455{
456 struct snd_soc_codec *codec = dai->codec;
457 u16 mute_reg = snd_soc_read(codec, WM8510_DAC) & 0xffbf;
458
459 if (mute)
460 snd_soc_write(codec, WM8510_DAC, mute_reg | 0x40);
461 else
462 snd_soc_write(codec, WM8510_DAC, mute_reg);
463 return 0;
464}
465
466
467static int wm8510_set_bias_level(struct snd_soc_codec *codec,
468 enum snd_soc_bias_level level)
469{
470 u16 power1 = snd_soc_read(codec, WM8510_POWER1) & ~0x3;
471
472 switch (level) {
473 case SND_SOC_BIAS_ON:
474 case SND_SOC_BIAS_PREPARE:
475 power1 |= 0x1;
476 snd_soc_write(codec, WM8510_POWER1, power1);
477 break;
478
479 case SND_SOC_BIAS_STANDBY:
480 power1 |= WM8510_POWER1_BIASEN | WM8510_POWER1_BUFIOEN;
481
482 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
483 snd_soc_cache_sync(codec);
484
485
486 snd_soc_write(codec, WM8510_POWER1, power1 | 0x3);
487 mdelay(100);
488 }
489
490 power1 |= 0x2;
491 snd_soc_write(codec, WM8510_POWER1, power1);
492 break;
493
494 case SND_SOC_BIAS_OFF:
495 snd_soc_write(codec, WM8510_POWER1, 0);
496 snd_soc_write(codec, WM8510_POWER2, 0);
497 snd_soc_write(codec, WM8510_POWER3, 0);
498 break;
499 }
500
501 codec->dapm.bias_level = level;
502 return 0;
503}
504
505#define WM8510_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
506 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
507 SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
508
509#define WM8510_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
510 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
511
512static struct snd_soc_dai_ops wm8510_dai_ops = {
513 .hw_params = wm8510_pcm_hw_params,
514 .digital_mute = wm8510_mute,
515 .set_fmt = wm8510_set_dai_fmt,
516 .set_clkdiv = wm8510_set_dai_clkdiv,
517 .set_pll = wm8510_set_dai_pll,
518};
519
520static struct snd_soc_dai_driver wm8510_dai = {
521 .name = "wm8510-hifi",
522 .playback = {
523 .stream_name = "Playback",
524 .channels_min = 2,
525 .channels_max = 2,
526 .rates = WM8510_RATES,
527 .formats = WM8510_FORMATS,},
528 .capture = {
529 .stream_name = "Capture",
530 .channels_min = 2,
531 .channels_max = 2,
532 .rates = WM8510_RATES,
533 .formats = WM8510_FORMATS,},
534 .ops = &wm8510_dai_ops,
535 .symmetric_rates = 1,
536};
537
538static int wm8510_suspend(struct snd_soc_codec *codec, pm_message_t state)
539{
540 wm8510_set_bias_level(codec, SND_SOC_BIAS_OFF);
541 return 0;
542}
543
544static int wm8510_resume(struct snd_soc_codec *codec)
545{
546 wm8510_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
547 return 0;
548}
549
550static int wm8510_probe(struct snd_soc_codec *codec)
551{
552 struct wm8510_priv *wm8510 = snd_soc_codec_get_drvdata(codec);
553 int ret;
554
555 ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8510->control_type);
556 if (ret < 0) {
557 printk(KERN_ERR "wm8510: failed to set cache I/O: %d\n", ret);
558 return ret;
559 }
560
561 wm8510_reset(codec);
562
563
564 wm8510_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
565 snd_soc_add_controls(codec, wm8510_snd_controls,
566 ARRAY_SIZE(wm8510_snd_controls));
567 wm8510_add_widgets(codec);
568
569 return ret;
570}
571
572
573static int wm8510_remove(struct snd_soc_codec *codec)
574{
575 struct wm8510_priv *wm8510 = snd_soc_codec_get_drvdata(codec);
576
577 wm8510_set_bias_level(codec, SND_SOC_BIAS_OFF);
578 kfree(wm8510);
579 return 0;
580}
581
582static struct snd_soc_codec_driver soc_codec_dev_wm8510 = {
583 .probe = wm8510_probe,
584 .remove = wm8510_remove,
585 .suspend = wm8510_suspend,
586 .resume = wm8510_resume,
587 .set_bias_level = wm8510_set_bias_level,
588 .reg_cache_size = ARRAY_SIZE(wm8510_reg),
589 .reg_word_size = sizeof(u16),
590 .reg_cache_default =wm8510_reg,
591};
592
593static const struct of_device_id wm8510_of_match[] = {
594 { .compatible = "wlf,wm8510" },
595 { },
596};
597
598#if defined(CONFIG_SPI_MASTER)
599static int __devinit wm8510_spi_probe(struct spi_device *spi)
600{
601 struct wm8510_priv *wm8510;
602 int ret;
603
604 wm8510 = kzalloc(sizeof(struct wm8510_priv), GFP_KERNEL);
605 if (wm8510 == NULL)
606 return -ENOMEM;
607
608 wm8510->control_type = SND_SOC_SPI;
609 spi_set_drvdata(spi, wm8510);
610
611 ret = snd_soc_register_codec(&spi->dev,
612 &soc_codec_dev_wm8510, &wm8510_dai, 1);
613 if (ret < 0)
614 kfree(wm8510);
615 return ret;
616}
617
618static int __devexit wm8510_spi_remove(struct spi_device *spi)
619{
620 snd_soc_unregister_codec(&spi->dev);
621 return 0;
622}
623
624static struct spi_driver wm8510_spi_driver = {
625 .driver = {
626 .name = "wm8510",
627 .owner = THIS_MODULE,
628 .of_match_table = wm8510_of_match,
629 },
630 .probe = wm8510_spi_probe,
631 .remove = __devexit_p(wm8510_spi_remove),
632};
633#endif
634
635#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
636static __devinit int wm8510_i2c_probe(struct i2c_client *i2c,
637 const struct i2c_device_id *id)
638{
639 struct wm8510_priv *wm8510;
640 int ret;
641
642 wm8510 = kzalloc(sizeof(struct wm8510_priv), GFP_KERNEL);
643 if (wm8510 == NULL)
644 return -ENOMEM;
645
646 i2c_set_clientdata(i2c, wm8510);
647 wm8510->control_type = SND_SOC_I2C;
648
649 ret = snd_soc_register_codec(&i2c->dev,
650 &soc_codec_dev_wm8510, &wm8510_dai, 1);
651 if (ret < 0)
652 kfree(wm8510);
653 return ret;
654}
655
656static __devexit int wm8510_i2c_remove(struct i2c_client *client)
657{
658 snd_soc_unregister_codec(&client->dev);
659 return 0;
660}
661
662static const struct i2c_device_id wm8510_i2c_id[] = {
663 { "wm8510", 0 },
664 { }
665};
666MODULE_DEVICE_TABLE(i2c, wm8510_i2c_id);
667
668static struct i2c_driver wm8510_i2c_driver = {
669 .driver = {
670 .name = "wm8510-codec",
671 .owner = THIS_MODULE,
672 .of_match_table = wm8510_of_match,
673 },
674 .probe = wm8510_i2c_probe,
675 .remove = __devexit_p(wm8510_i2c_remove),
676 .id_table = wm8510_i2c_id,
677};
678#endif
679
680static int __init wm8510_modinit(void)
681{
682 int ret = 0;
683#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
684 ret = i2c_add_driver(&wm8510_i2c_driver);
685 if (ret != 0) {
686 printk(KERN_ERR "Failed to register WM8510 I2C driver: %d\n",
687 ret);
688 }
689#endif
690#if defined(CONFIG_SPI_MASTER)
691 ret = spi_register_driver(&wm8510_spi_driver);
692 if (ret != 0) {
693 printk(KERN_ERR "Failed to register WM8510 SPI driver: %d\n",
694 ret);
695 }
696#endif
697 return ret;
698}
699module_init(wm8510_modinit);
700
701static void __exit wm8510_exit(void)
702{
703#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
704 i2c_del_driver(&wm8510_i2c_driver);
705#endif
706#if defined(CONFIG_SPI_MASTER)
707 spi_unregister_driver(&wm8510_spi_driver);
708#endif
709}
710module_exit(wm8510_exit);
711
712MODULE_DESCRIPTION("ASoC WM8510 driver");
713MODULE_AUTHOR("Liam Girdwood");
714MODULE_LICENSE("GPL");
715
