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ext4: Fix possible deadlock between ext4_truncate() and ext4_get_blocks()
[linux/fpc-iii.git] / sound / soc / codecs / wm8350.c
blob3ff0373dff8904faeb2f1c522495e2c1ff32e63e
1 /*
2 * wm8350.c -- WM8350 ALSA SoC audio driver
3 *
4 * Copyright (C) 2007, 2008 Wolfson Microelectronics PLC.
5 *
6 * Author: Liam Girdwood <lrg@slimlogic.co.uk>
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/init.h>
16 #include <linux/delay.h>
17 #include <linux/pm.h>
18 #include <linux/platform_device.h>
19 #include <linux/mfd/wm8350/audio.h>
20 #include <linux/mfd/wm8350/core.h>
21 #include <linux/regulator/consumer.h>
22 #include <sound/core.h>
23 #include <sound/pcm.h>
24 #include <sound/pcm_params.h>
25 #include <sound/soc.h>
26 #include <sound/soc-dapm.h>
27 #include <sound/initval.h>
28 #include <sound/tlv.h>
29
30 #include "wm8350.h"
31
32 #define WM8350_OUTn_0dB 0x39
33
34 #define WM8350_RAMP_NONE 0
35 #define WM8350_RAMP_UP 1
36 #define WM8350_RAMP_DOWN 2
37
38 /* We only include the analogue supplies here; the digital supplies
39 * need to be available well before this driver can be probed.
40 */
41 static const char *supply_names[] = {
42 "AVDD",
43 "HPVDD",
44 };
45
46 struct wm8350_output {
47 u16 active;
48 u16 left_vol;
49 u16 right_vol;
50 u16 ramp;
51 u16 mute;
52 };
53
54 struct wm8350_jack_data {
55 struct snd_soc_jack *jack;
56 int report;
57 };
58
59 struct wm8350_data {
60 struct snd_soc_codec codec;
61 struct wm8350_output out1;
62 struct wm8350_output out2;
63 struct wm8350_jack_data hpl;
64 struct wm8350_jack_data hpr;
65 struct regulator_bulk_data supplies[ARRAY_SIZE(supply_names)];
66 int fll_freq_out;
67 int fll_freq_in;
68 };
69
70 static unsigned int wm8350_codec_cache_read(struct snd_soc_codec *codec,
71 unsigned int reg)
72 {
73 struct wm8350 *wm8350 = codec->control_data;
74 return wm8350->reg_cache[reg];
75 }
76
77 static unsigned int wm8350_codec_read(struct snd_soc_codec *codec,
78 unsigned int reg)
79 {
80 struct wm8350 *wm8350 = codec->control_data;
81 return wm8350_reg_read(wm8350, reg);
82 }
83
84 static int wm8350_codec_write(struct snd_soc_codec *codec, unsigned int reg,
85 unsigned int value)
86 {
87 struct wm8350 *wm8350 = codec->control_data;
88 return wm8350_reg_write(wm8350, reg, value);
89 }
90
91 /*
92 * Ramp OUT1 PGA volume to minimise pops at stream startup and shutdown.
93 */
94 static inline int wm8350_out1_ramp_step(struct snd_soc_codec *codec)
95 {
96 struct wm8350_data *wm8350_data = codec->private_data;
97 struct wm8350_output *out1 = &wm8350_data->out1;
98 struct wm8350 *wm8350 = codec->control_data;
99 int left_complete = 0, right_complete = 0;
100 u16 reg, val;
101
102 /* left channel */
103 reg = wm8350_reg_read(wm8350, WM8350_LOUT1_VOLUME);
104 val = (reg & WM8350_OUT1L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
105
106 if (out1->ramp == WM8350_RAMP_UP) {
107 /* ramp step up */
108 if (val < out1->left_vol) {
109 val++;
110 reg &= ~WM8350_OUT1L_VOL_MASK;
111 wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME,
112 reg | (val << WM8350_OUT1L_VOL_SHIFT));
113 } else
114 left_complete = 1;
115 } else if (out1->ramp == WM8350_RAMP_DOWN) {
116 /* ramp step down */
117 if (val > 0) {
118 val--;
119 reg &= ~WM8350_OUT1L_VOL_MASK;
120 wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME,
121 reg | (val << WM8350_OUT1L_VOL_SHIFT));
122 } else
123 left_complete = 1;
124 } else
125 return 1;
126
127 /* right channel */
128 reg = wm8350_reg_read(wm8350, WM8350_ROUT1_VOLUME);
129 val = (reg & WM8350_OUT1R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
130 if (out1->ramp == WM8350_RAMP_UP) {
131 /* ramp step up */
132 if (val < out1->right_vol) {
133 val++;
134 reg &= ~WM8350_OUT1R_VOL_MASK;
135 wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME,
136 reg | (val << WM8350_OUT1R_VOL_SHIFT));
137 } else
138 right_complete = 1;
139 } else if (out1->ramp == WM8350_RAMP_DOWN) {
140 /* ramp step down */
141 if (val > 0) {
142 val--;
143 reg &= ~WM8350_OUT1R_VOL_MASK;
144 wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME,
145 reg | (val << WM8350_OUT1R_VOL_SHIFT));
146 } else
147 right_complete = 1;
148 }
149
150 /* only hit the update bit if either volume has changed this step */
151 if (!left_complete || !right_complete)
152 wm8350_set_bits(wm8350, WM8350_LOUT1_VOLUME, WM8350_OUT1_VU);
153
154 return left_complete & right_complete;
155 }
156
157 /*
158 * Ramp OUT2 PGA volume to minimise pops at stream startup and shutdown.
159 */
160 static inline int wm8350_out2_ramp_step(struct snd_soc_codec *codec)
161 {
162 struct wm8350_data *wm8350_data = codec->private_data;
163 struct wm8350_output *out2 = &wm8350_data->out2;
164 struct wm8350 *wm8350 = codec->control_data;
165 int left_complete = 0, right_complete = 0;
166 u16 reg, val;
167
168 /* left channel */
169 reg = wm8350_reg_read(wm8350, WM8350_LOUT2_VOLUME);
170 val = (reg & WM8350_OUT2L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
171 if (out2->ramp == WM8350_RAMP_UP) {
172 /* ramp step up */
173 if (val < out2->left_vol) {
174 val++;
175 reg &= ~WM8350_OUT2L_VOL_MASK;
176 wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME,
177 reg | (val << WM8350_OUT1L_VOL_SHIFT));
178 } else
179 left_complete = 1;
180 } else if (out2->ramp == WM8350_RAMP_DOWN) {
181 /* ramp step down */
182 if (val > 0) {
183 val--;
184 reg &= ~WM8350_OUT2L_VOL_MASK;
185 wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME,
186 reg | (val << WM8350_OUT1L_VOL_SHIFT));
187 } else
188 left_complete = 1;
189 } else
190 return 1;
191
192 /* right channel */
193 reg = wm8350_reg_read(wm8350, WM8350_ROUT2_VOLUME);
194 val = (reg & WM8350_OUT2R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
195 if (out2->ramp == WM8350_RAMP_UP) {
196 /* ramp step up */
197 if (val < out2->right_vol) {
198 val++;
199 reg &= ~WM8350_OUT2R_VOL_MASK;
200 wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME,
201 reg | (val << WM8350_OUT1R_VOL_SHIFT));
202 } else
203 right_complete = 1;
204 } else if (out2->ramp == WM8350_RAMP_DOWN) {
205 /* ramp step down */
206 if (val > 0) {
207 val--;
208 reg &= ~WM8350_OUT2R_VOL_MASK;
209 wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME,
210 reg | (val << WM8350_OUT1R_VOL_SHIFT));
211 } else
212 right_complete = 1;
213 }
214
215 /* only hit the update bit if either volume has changed this step */
216 if (!left_complete || !right_complete)
217 wm8350_set_bits(wm8350, WM8350_LOUT2_VOLUME, WM8350_OUT2_VU);
218
219 return left_complete & right_complete;
220 }
221
222 /*
223 * This work ramps both output PGAs at stream start/stop time to
224 * minimise pop associated with DAPM power switching.
225 * It's best to enable Zero Cross when ramping occurs to minimise any
226 * zipper noises.
227 */
228 static void wm8350_pga_work(struct work_struct *work)
229 {
230 struct snd_soc_codec *codec =
231 container_of(work, struct snd_soc_codec, delayed_work.work);
232 struct wm8350_data *wm8350_data = codec->private_data;
233 struct wm8350_output *out1 = &wm8350_data->out1,
234 *out2 = &wm8350_data->out2;
235 int i, out1_complete, out2_complete;
236
237 /* do we need to ramp at all ? */
238 if (out1->ramp == WM8350_RAMP_NONE && out2->ramp == WM8350_RAMP_NONE)
239 return;
240
241 /* PGA volumes have 6 bits of resolution to ramp */
242 for (i = 0; i <= 63; i++) {
243 out1_complete = 1, out2_complete = 1;
244 if (out1->ramp != WM8350_RAMP_NONE)
245 out1_complete = wm8350_out1_ramp_step(codec);
246 if (out2->ramp != WM8350_RAMP_NONE)
247 out2_complete = wm8350_out2_ramp_step(codec);
248
249 /* ramp finished ? */
250 if (out1_complete && out2_complete)
251 break;
252
253 /* we need to delay longer on the up ramp */
254 if (out1->ramp == WM8350_RAMP_UP ||
255 out2->ramp == WM8350_RAMP_UP) {
256 /* delay is longer over 0dB as increases are larger */
257 if (i >= WM8350_OUTn_0dB)
258 schedule_timeout_interruptible(msecs_to_jiffies
259 (2));
260 else
261 schedule_timeout_interruptible(msecs_to_jiffies
262 (1));
263 } else
264 udelay(50); /* doesn't matter if we delay longer */
265 }
266
267 out1->ramp = WM8350_RAMP_NONE;
268 out2->ramp = WM8350_RAMP_NONE;
269 }
270
271 /*
272 * WM8350 Controls
273 */
274
275 static int pga_event(struct snd_soc_dapm_widget *w,
276 struct snd_kcontrol *kcontrol, int event)
277 {
278 struct snd_soc_codec *codec = w->codec;
279 struct wm8350_data *wm8350_data = codec->private_data;
280 struct wm8350_output *out;
281
282 switch (w->shift) {
283 case 0:
284 case 1:
285 out = &wm8350_data->out1;
286 break;
287 case 2:
288 case 3:
289 out = &wm8350_data->out2;
290 break;
291
292 default:
293 BUG();
294 return -1;
295 }
296
297 switch (event) {
298 case SND_SOC_DAPM_POST_PMU:
299 out->ramp = WM8350_RAMP_UP;
300 out->active = 1;
301
302 if (!delayed_work_pending(&codec->delayed_work))
303 schedule_delayed_work(&codec->delayed_work,
304 msecs_to_jiffies(1));
305 break;
306
307 case SND_SOC_DAPM_PRE_PMD:
308 out->ramp = WM8350_RAMP_DOWN;
309 out->active = 0;
310
311 if (!delayed_work_pending(&codec->delayed_work))
312 schedule_delayed_work(&codec->delayed_work,
313 msecs_to_jiffies(1));
314 break;
315 }
316
317 return 0;
318 }
319
320 static int wm8350_put_volsw_2r_vu(struct snd_kcontrol *kcontrol,
321 struct snd_ctl_elem_value *ucontrol)
322 {
323 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
324 struct wm8350_data *wm8350_priv = codec->private_data;
325 struct wm8350_output *out = NULL;
326 struct soc_mixer_control *mc =
327 (struct soc_mixer_control *)kcontrol->private_value;
328 int ret;
329 unsigned int reg = mc->reg;
330 u16 val;
331
332 /* For OUT1 and OUT2 we shadow the values and only actually write
333 * them out when active in order to ensure the amplifier comes on
334 * as quietly as possible. */
335 switch (reg) {
336 case WM8350_LOUT1_VOLUME:
337 out = &wm8350_priv->out1;
338 break;
339 case WM8350_LOUT2_VOLUME:
340 out = &wm8350_priv->out2;
341 break;
342 default:
343 break;
344 }
345
346 if (out) {
347 out->left_vol = ucontrol->value.integer.value[0];
348 out->right_vol = ucontrol->value.integer.value[1];
349 if (!out->active)
350 return 1;
351 }
352
353 ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
354 if (ret < 0)
355 return ret;
356
357 /* now hit the volume update bits (always bit 8) */
358 val = wm8350_codec_read(codec, reg);
359 wm8350_codec_write(codec, reg, val | WM8350_OUT1_VU);
360 return 1;
361 }
362
363 static int wm8350_get_volsw_2r(struct snd_kcontrol *kcontrol,
364 struct snd_ctl_elem_value *ucontrol)
365 {
366 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
367 struct wm8350_data *wm8350_priv = codec->private_data;
368 struct wm8350_output *out1 = &wm8350_priv->out1;
369 struct wm8350_output *out2 = &wm8350_priv->out2;
370 struct soc_mixer_control *mc =
371 (struct soc_mixer_control *)kcontrol->private_value;
372 unsigned int reg = mc->reg;
373
374 /* If these are cached registers use the cache */
375 switch (reg) {
376 case WM8350_LOUT1_VOLUME:
377 ucontrol->value.integer.value[0] = out1->left_vol;
378 ucontrol->value.integer.value[1] = out1->right_vol;
379 return 0;
380
381 case WM8350_LOUT2_VOLUME:
382 ucontrol->value.integer.value[0] = out2->left_vol;
383 ucontrol->value.integer.value[1] = out2->right_vol;
384 return 0;
385
386 default:
387 break;
388 }
389
390 return snd_soc_get_volsw_2r(kcontrol, ucontrol);
391 }
392
393 /* double control with volume update */
394 #define SOC_WM8350_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, \
395 xinvert, tlv_array) \
396 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
397 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
398 SNDRV_CTL_ELEM_ACCESS_READWRITE | \
399 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
400 .tlv.p = (tlv_array), \
401 .info = snd_soc_info_volsw_2r, \
402 .get = wm8350_get_volsw_2r, .put = wm8350_put_volsw_2r_vu, \
403 .private_value = (unsigned long)&(struct soc_mixer_control) \
404 {.reg = reg_left, .rreg = reg_right, .shift = xshift, \
405 .rshift = xshift, .max = xmax, .invert = xinvert}, }
406
407 static const char *wm8350_deemp[] = { "None", "32kHz", "44.1kHz", "48kHz" };
408 static const char *wm8350_pol[] = { "Normal", "Inv R", "Inv L", "Inv L & R" };
409 static const char *wm8350_dacmutem[] = { "Normal", "Soft" };
410 static const char *wm8350_dacmutes[] = { "Fast", "Slow" };
411 static const char *wm8350_adcfilter[] = { "None", "High Pass" };
412 static const char *wm8350_adchp[] = { "44.1kHz", "8kHz", "16kHz", "32kHz" };
413 static const char *wm8350_lr[] = { "Left", "Right" };
414
415 static const struct soc_enum wm8350_enum[] = {
416 SOC_ENUM_SINGLE(WM8350_DAC_CONTROL, 4, 4, wm8350_deemp),
417 SOC_ENUM_SINGLE(WM8350_DAC_CONTROL, 0, 4, wm8350_pol),
418 SOC_ENUM_SINGLE(WM8350_DAC_MUTE_VOLUME, 14, 2, wm8350_dacmutem),
419 SOC_ENUM_SINGLE(WM8350_DAC_MUTE_VOLUME, 13, 2, wm8350_dacmutes),
420 SOC_ENUM_SINGLE(WM8350_ADC_CONTROL, 15, 2, wm8350_adcfilter),
421 SOC_ENUM_SINGLE(WM8350_ADC_CONTROL, 8, 4, wm8350_adchp),
422 SOC_ENUM_SINGLE(WM8350_ADC_CONTROL, 0, 4, wm8350_pol),
423 SOC_ENUM_SINGLE(WM8350_INPUT_MIXER_VOLUME, 15, 2, wm8350_lr),
424 };
425
426 static DECLARE_TLV_DB_LINEAR(pre_amp_tlv, -1200, 3525);
427 static DECLARE_TLV_DB_LINEAR(out_pga_tlv, -5700, 600);
428 static DECLARE_TLV_DB_SCALE(dac_pcm_tlv, -7163, 36, 1);
429 static DECLARE_TLV_DB_SCALE(adc_pcm_tlv, -12700, 50, 1);
430 static DECLARE_TLV_DB_SCALE(out_mix_tlv, -1500, 300, 1);
431
432 static const unsigned int capture_sd_tlv[] = {
433 TLV_DB_RANGE_HEAD(2),
434 0, 12, TLV_DB_SCALE_ITEM(-3600, 300, 1),
435 13, 15, TLV_DB_SCALE_ITEM(0, 0, 0),
436 };
437
438 static const struct snd_kcontrol_new wm8350_snd_controls[] = {
439 SOC_ENUM("Playback Deemphasis", wm8350_enum[0]),
440 SOC_ENUM("Playback DAC Inversion", wm8350_enum[1]),
441 SOC_WM8350_DOUBLE_R_TLV("Playback PCM Volume",
442 WM8350_DAC_DIGITAL_VOLUME_L,
443 WM8350_DAC_DIGITAL_VOLUME_R,
444 0, 255, 0, dac_pcm_tlv),
445 SOC_ENUM("Playback PCM Mute Function", wm8350_enum[2]),
446 SOC_ENUM("Playback PCM Mute Speed", wm8350_enum[3]),
447 SOC_ENUM("Capture PCM Filter", wm8350_enum[4]),
448 SOC_ENUM("Capture PCM HP Filter", wm8350_enum[5]),
449 SOC_ENUM("Capture ADC Inversion", wm8350_enum[6]),
450 SOC_WM8350_DOUBLE_R_TLV("Capture PCM Volume",
451 WM8350_ADC_DIGITAL_VOLUME_L,
452 WM8350_ADC_DIGITAL_VOLUME_R,
453 0, 255, 0, adc_pcm_tlv),
454 SOC_DOUBLE_TLV("Capture Sidetone Volume",
455 WM8350_ADC_DIVIDER,
456 8, 4, 15, 1, capture_sd_tlv),
457 SOC_WM8350_DOUBLE_R_TLV("Capture Volume",
458 WM8350_LEFT_INPUT_VOLUME,
459 WM8350_RIGHT_INPUT_VOLUME,
460 2, 63, 0, pre_amp_tlv),
461 SOC_DOUBLE_R("Capture ZC Switch",
462 WM8350_LEFT_INPUT_VOLUME,
463 WM8350_RIGHT_INPUT_VOLUME, 13, 1, 0),
464 SOC_SINGLE_TLV("Left Input Left Sidetone Volume",
465 WM8350_OUTPUT_LEFT_MIXER_VOLUME, 1, 7, 0, out_mix_tlv),
466 SOC_SINGLE_TLV("Left Input Right Sidetone Volume",
467 WM8350_OUTPUT_LEFT_MIXER_VOLUME,
468 5, 7, 0, out_mix_tlv),
469 SOC_SINGLE_TLV("Left Input Bypass Volume",
470 WM8350_OUTPUT_LEFT_MIXER_VOLUME,
471 9, 7, 0, out_mix_tlv),
472 SOC_SINGLE_TLV("Right Input Left Sidetone Volume",
473 WM8350_OUTPUT_RIGHT_MIXER_VOLUME,
474 1, 7, 0, out_mix_tlv),
475 SOC_SINGLE_TLV("Right Input Right Sidetone Volume",
476 WM8350_OUTPUT_RIGHT_MIXER_VOLUME,
477 5, 7, 0, out_mix_tlv),
478 SOC_SINGLE_TLV("Right Input Bypass Volume",
479 WM8350_OUTPUT_RIGHT_MIXER_VOLUME,
480 13, 7, 0, out_mix_tlv),
481 SOC_SINGLE("Left Input Mixer +20dB Switch",
482 WM8350_INPUT_MIXER_VOLUME_L, 0, 1, 0),
483 SOC_SINGLE("Right Input Mixer +20dB Switch",
484 WM8350_INPUT_MIXER_VOLUME_R, 0, 1, 0),
485 SOC_SINGLE_TLV("Out4 Capture Volume",
486 WM8350_INPUT_MIXER_VOLUME,
487 1, 7, 0, out_mix_tlv),
488 SOC_WM8350_DOUBLE_R_TLV("Out1 Playback Volume",
489 WM8350_LOUT1_VOLUME,
490 WM8350_ROUT1_VOLUME,
491 2, 63, 0, out_pga_tlv),
492 SOC_DOUBLE_R("Out1 Playback ZC Switch",
493 WM8350_LOUT1_VOLUME,
494 WM8350_ROUT1_VOLUME, 13, 1, 0),
495 SOC_WM8350_DOUBLE_R_TLV("Out2 Playback Volume",
496 WM8350_LOUT2_VOLUME,
497 WM8350_ROUT2_VOLUME,
498 2, 63, 0, out_pga_tlv),
499 SOC_DOUBLE_R("Out2 Playback ZC Switch", WM8350_LOUT2_VOLUME,
500 WM8350_ROUT2_VOLUME, 13, 1, 0),
501 SOC_SINGLE("Out2 Right Invert Switch", WM8350_ROUT2_VOLUME, 10, 1, 0),
502 SOC_SINGLE_TLV("Out2 Beep Volume", WM8350_BEEP_VOLUME,
503 5, 7, 0, out_mix_tlv),
504
505 SOC_DOUBLE_R("Out1 Playback Switch",
506 WM8350_LOUT1_VOLUME,
507 WM8350_ROUT1_VOLUME,
508 14, 1, 1),
509 SOC_DOUBLE_R("Out2 Playback Switch",
510 WM8350_LOUT2_VOLUME,
511 WM8350_ROUT2_VOLUME,
512 14, 1, 1),
513 };
514
515 /*
516 * DAPM Controls
517 */
518
519 /* Left Playback Mixer */
520 static const struct snd_kcontrol_new wm8350_left_play_mixer_controls[] = {
521 SOC_DAPM_SINGLE("Playback Switch",
522 WM8350_LEFT_MIXER_CONTROL, 11, 1, 0),
523 SOC_DAPM_SINGLE("Left Bypass Switch",
524 WM8350_LEFT_MIXER_CONTROL, 2, 1, 0),
525 SOC_DAPM_SINGLE("Right Playback Switch",
526 WM8350_LEFT_MIXER_CONTROL, 12, 1, 0),
527 SOC_DAPM_SINGLE("Left Sidetone Switch",
528 WM8350_LEFT_MIXER_CONTROL, 0, 1, 0),
529 SOC_DAPM_SINGLE("Right Sidetone Switch",
530 WM8350_LEFT_MIXER_CONTROL, 1, 1, 0),
531 };
532
533 /* Right Playback Mixer */
534 static const struct snd_kcontrol_new wm8350_right_play_mixer_controls[] = {
535 SOC_DAPM_SINGLE("Playback Switch",
536 WM8350_RIGHT_MIXER_CONTROL, 12, 1, 0),
537 SOC_DAPM_SINGLE("Right Bypass Switch",
538 WM8350_RIGHT_MIXER_CONTROL, 3, 1, 0),
539 SOC_DAPM_SINGLE("Left Playback Switch",
540 WM8350_RIGHT_MIXER_CONTROL, 11, 1, 0),
541 SOC_DAPM_SINGLE("Left Sidetone Switch",
542 WM8350_RIGHT_MIXER_CONTROL, 0, 1, 0),
543 SOC_DAPM_SINGLE("Right Sidetone Switch",
544 WM8350_RIGHT_MIXER_CONTROL, 1, 1, 0),
545 };
546
547 /* Out4 Mixer */
548 static const struct snd_kcontrol_new wm8350_out4_mixer_controls[] = {
549 SOC_DAPM_SINGLE("Right Playback Switch",
550 WM8350_OUT4_MIXER_CONTROL, 12, 1, 0),
551 SOC_DAPM_SINGLE("Left Playback Switch",
552 WM8350_OUT4_MIXER_CONTROL, 11, 1, 0),
553 SOC_DAPM_SINGLE("Right Capture Switch",
554 WM8350_OUT4_MIXER_CONTROL, 9, 1, 0),
555 SOC_DAPM_SINGLE("Out3 Playback Switch",
556 WM8350_OUT4_MIXER_CONTROL, 2, 1, 0),
557 SOC_DAPM_SINGLE("Right Mixer Switch",
558 WM8350_OUT4_MIXER_CONTROL, 1, 1, 0),
559 SOC_DAPM_SINGLE("Left Mixer Switch",
560 WM8350_OUT4_MIXER_CONTROL, 0, 1, 0),
561 };
562
563 /* Out3 Mixer */
564 static const struct snd_kcontrol_new wm8350_out3_mixer_controls[] = {
565 SOC_DAPM_SINGLE("Left Playback Switch",
566 WM8350_OUT3_MIXER_CONTROL, 11, 1, 0),
567 SOC_DAPM_SINGLE("Left Capture Switch",
568 WM8350_OUT3_MIXER_CONTROL, 8, 1, 0),
569 SOC_DAPM_SINGLE("Out4 Playback Switch",
570 WM8350_OUT3_MIXER_CONTROL, 3, 1, 0),
571 SOC_DAPM_SINGLE("Left Mixer Switch",
572 WM8350_OUT3_MIXER_CONTROL, 0, 1, 0),
573 };
574
575 /* Left Input Mixer */
576 static const struct snd_kcontrol_new wm8350_left_capt_mixer_controls[] = {
577 SOC_DAPM_SINGLE_TLV("L2 Capture Volume",
578 WM8350_INPUT_MIXER_VOLUME_L, 1, 7, 0, out_mix_tlv),
579 SOC_DAPM_SINGLE_TLV("L3 Capture Volume",
580 WM8350_INPUT_MIXER_VOLUME_L, 9, 7, 0, out_mix_tlv),
581 SOC_DAPM_SINGLE("PGA Capture Switch",
582 WM8350_LEFT_INPUT_VOLUME, 14, 1, 0),
583 };
584
585 /* Right Input Mixer */
586 static const struct snd_kcontrol_new wm8350_right_capt_mixer_controls[] = {
587 SOC_DAPM_SINGLE_TLV("L2 Capture Volume",
588 WM8350_INPUT_MIXER_VOLUME_R, 5, 7, 0, out_mix_tlv),
589 SOC_DAPM_SINGLE_TLV("L3 Capture Volume",
590 WM8350_INPUT_MIXER_VOLUME_R, 13, 7, 0, out_mix_tlv),
591 SOC_DAPM_SINGLE("PGA Capture Switch",
592 WM8350_RIGHT_INPUT_VOLUME, 14, 1, 0),
593 };
594
595 /* Left Mic Mixer */
596 static const struct snd_kcontrol_new wm8350_left_mic_mixer_controls[] = {
597 SOC_DAPM_SINGLE("INN Capture Switch", WM8350_INPUT_CONTROL, 1, 1, 0),
598 SOC_DAPM_SINGLE("INP Capture Switch", WM8350_INPUT_CONTROL, 0, 1, 0),
599 SOC_DAPM_SINGLE("IN2 Capture Switch", WM8350_INPUT_CONTROL, 2, 1, 0),
600 };
601
602 /* Right Mic Mixer */
603 static const struct snd_kcontrol_new wm8350_right_mic_mixer_controls[] = {
604 SOC_DAPM_SINGLE("INN Capture Switch", WM8350_INPUT_CONTROL, 9, 1, 0),
605 SOC_DAPM_SINGLE("INP Capture Switch", WM8350_INPUT_CONTROL, 8, 1, 0),
606 SOC_DAPM_SINGLE("IN2 Capture Switch", WM8350_INPUT_CONTROL, 10, 1, 0),
607 };
608
609 /* Beep Switch */
610 static const struct snd_kcontrol_new wm8350_beep_switch_controls =
611 SOC_DAPM_SINGLE("Switch", WM8350_BEEP_VOLUME, 15, 1, 1);
612
613 /* Out4 Capture Mux */
614 static const struct snd_kcontrol_new wm8350_out4_capture_controls =
615 SOC_DAPM_ENUM("Route", wm8350_enum[7]);
616
617 static const struct snd_soc_dapm_widget wm8350_dapm_widgets[] = {
618
619 SND_SOC_DAPM_PGA("IN3R PGA", WM8350_POWER_MGMT_2, 11, 0, NULL, 0),
620 SND_SOC_DAPM_PGA("IN3L PGA", WM8350_POWER_MGMT_2, 10, 0, NULL, 0),
621 SND_SOC_DAPM_PGA_E("Right Out2 PGA", WM8350_POWER_MGMT_3, 3, 0, NULL,
622 0, pga_event,
623 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
624 SND_SOC_DAPM_PGA_E("Left Out2 PGA", WM8350_POWER_MGMT_3, 2, 0, NULL, 0,
625 pga_event,
626 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
627 SND_SOC_DAPM_PGA_E("Right Out1 PGA", WM8350_POWER_MGMT_3, 1, 0, NULL,
628 0, pga_event,
629 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
630 SND_SOC_DAPM_PGA_E("Left Out1 PGA", WM8350_POWER_MGMT_3, 0, 0, NULL, 0,
631 pga_event,
632 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
633
634 SND_SOC_DAPM_MIXER("Right Capture Mixer", WM8350_POWER_MGMT_2,
635 7, 0, &wm8350_right_capt_mixer_controls[0],
636 ARRAY_SIZE(wm8350_right_capt_mixer_controls)),
637
638 SND_SOC_DAPM_MIXER("Left Capture Mixer", WM8350_POWER_MGMT_2,
639 6, 0, &wm8350_left_capt_mixer_controls[0],
640 ARRAY_SIZE(wm8350_left_capt_mixer_controls)),
641
642 SND_SOC_DAPM_MIXER("Out4 Mixer", WM8350_POWER_MGMT_2, 5, 0,
643 &wm8350_out4_mixer_controls[0],
644 ARRAY_SIZE(wm8350_out4_mixer_controls)),
645
646 SND_SOC_DAPM_MIXER("Out3 Mixer", WM8350_POWER_MGMT_2, 4, 0,
647 &wm8350_out3_mixer_controls[0],
648 ARRAY_SIZE(wm8350_out3_mixer_controls)),
649
650 SND_SOC_DAPM_MIXER("Right Playback Mixer", WM8350_POWER_MGMT_2, 1, 0,
651 &wm8350_right_play_mixer_controls[0],
652 ARRAY_SIZE(wm8350_right_play_mixer_controls)),
653
654 SND_SOC_DAPM_MIXER("Left Playback Mixer", WM8350_POWER_MGMT_2, 0, 0,
655 &wm8350_left_play_mixer_controls[0],
656 ARRAY_SIZE(wm8350_left_play_mixer_controls)),
657
658 SND_SOC_DAPM_MIXER("Left Mic Mixer", WM8350_POWER_MGMT_2, 8, 0,
659 &wm8350_left_mic_mixer_controls[0],
660 ARRAY_SIZE(wm8350_left_mic_mixer_controls)),
661
662 SND_SOC_DAPM_MIXER("Right Mic Mixer", WM8350_POWER_MGMT_2, 9, 0,
663 &wm8350_right_mic_mixer_controls[0],
664 ARRAY_SIZE(wm8350_right_mic_mixer_controls)),
665
666 /* virtual mixer for Beep and Out2R */
667 SND_SOC_DAPM_MIXER("Out2 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
668
669 SND_SOC_DAPM_SWITCH("Beep", WM8350_POWER_MGMT_3, 7, 0,
670 &wm8350_beep_switch_controls),
671
672 SND_SOC_DAPM_ADC("Right ADC", "Right Capture",
673 WM8350_POWER_MGMT_4, 3, 0),
674 SND_SOC_DAPM_ADC("Left ADC", "Left Capture",
675 WM8350_POWER_MGMT_4, 2, 0),
676 SND_SOC_DAPM_DAC("Right DAC", "Right Playback",
677 WM8350_POWER_MGMT_4, 5, 0),
678 SND_SOC_DAPM_DAC("Left DAC", "Left Playback",
679 WM8350_POWER_MGMT_4, 4, 0),
680
681 SND_SOC_DAPM_MICBIAS("Mic Bias", WM8350_POWER_MGMT_1, 4, 0),
682
683 SND_SOC_DAPM_MUX("Out4 Capture Channel", SND_SOC_NOPM, 0, 0,
684 &wm8350_out4_capture_controls),
685
686 SND_SOC_DAPM_OUTPUT("OUT1R"),
687 SND_SOC_DAPM_OUTPUT("OUT1L"),
688 SND_SOC_DAPM_OUTPUT("OUT2R"),
689 SND_SOC_DAPM_OUTPUT("OUT2L"),
690 SND_SOC_DAPM_OUTPUT("OUT3"),
691 SND_SOC_DAPM_OUTPUT("OUT4"),
692
693 SND_SOC_DAPM_INPUT("IN1RN"),
694 SND_SOC_DAPM_INPUT("IN1RP"),
695 SND_SOC_DAPM_INPUT("IN2R"),
696 SND_SOC_DAPM_INPUT("IN1LP"),
697 SND_SOC_DAPM_INPUT("IN1LN"),
698 SND_SOC_DAPM_INPUT("IN2L"),
699 SND_SOC_DAPM_INPUT("IN3R"),
700 SND_SOC_DAPM_INPUT("IN3L"),
701 };
702
703 static const struct snd_soc_dapm_route audio_map[] = {
704
705 /* left playback mixer */
706 {"Left Playback Mixer", "Playback Switch", "Left DAC"},
707 {"Left Playback Mixer", "Left Bypass Switch", "IN3L PGA"},
708 {"Left Playback Mixer", "Right Playback Switch", "Right DAC"},
709 {"Left Playback Mixer", "Left Sidetone Switch", "Left Mic Mixer"},
710 {"Left Playback Mixer", "Right Sidetone Switch", "Right Mic Mixer"},
711
712 /* right playback mixer */
713 {"Right Playback Mixer", "Playback Switch", "Right DAC"},
714 {"Right Playback Mixer", "Right Bypass Switch", "IN3R PGA"},
715 {"Right Playback Mixer", "Left Playback Switch", "Left DAC"},
716 {"Right Playback Mixer", "Left Sidetone Switch", "Left Mic Mixer"},
717 {"Right Playback Mixer", "Right Sidetone Switch", "Right Mic Mixer"},
718
719 /* out4 playback mixer */
720 {"Out4 Mixer", "Right Playback Switch", "Right DAC"},
721 {"Out4 Mixer", "Left Playback Switch", "Left DAC"},
722 {"Out4 Mixer", "Right Capture Switch", "Right Capture Mixer"},
723 {"Out4 Mixer", "Out3 Playback Switch", "Out3 Mixer"},
724 {"Out4 Mixer", "Right Mixer Switch", "Right Playback Mixer"},
725 {"Out4 Mixer", "Left Mixer Switch", "Left Playback Mixer"},
726 {"OUT4", NULL, "Out4 Mixer"},
727
728 /* out3 playback mixer */
729 {"Out3 Mixer", "Left Playback Switch", "Left DAC"},
730 {"Out3 Mixer", "Left Capture Switch", "Left Capture Mixer"},
731 {"Out3 Mixer", "Left Mixer Switch", "Left Playback Mixer"},
732 {"Out3 Mixer", "Out4 Playback Switch", "Out4 Mixer"},
733 {"OUT3", NULL, "Out3 Mixer"},
734
735 /* out2 */
736 {"Right Out2 PGA", NULL, "Right Playback Mixer"},
737 {"Left Out2 PGA", NULL, "Left Playback Mixer"},
738 {"OUT2L", NULL, "Left Out2 PGA"},
739 {"OUT2R", NULL, "Right Out2 PGA"},
740
741 /* out1 */
742 {"Right Out1 PGA", NULL, "Right Playback Mixer"},
743 {"Left Out1 PGA", NULL, "Left Playback Mixer"},
744 {"OUT1L", NULL, "Left Out1 PGA"},
745 {"OUT1R", NULL, "Right Out1 PGA"},
746
747 /* ADCs */
748 {"Left ADC", NULL, "Left Capture Mixer"},
749 {"Right ADC", NULL, "Right Capture Mixer"},
750
751 /* Left capture mixer */
752 {"Left Capture Mixer", "L2 Capture Volume", "IN2L"},
753 {"Left Capture Mixer", "L3 Capture Volume", "IN3L PGA"},
754 {"Left Capture Mixer", "PGA Capture Switch", "Left Mic Mixer"},
755 {"Left Capture Mixer", NULL, "Out4 Capture Channel"},
756
757 /* Right capture mixer */
758 {"Right Capture Mixer", "L2 Capture Volume", "IN2R"},
759 {"Right Capture Mixer", "L3 Capture Volume", "IN3R PGA"},
760 {"Right Capture Mixer", "PGA Capture Switch", "Right Mic Mixer"},
761 {"Right Capture Mixer", NULL, "Out4 Capture Channel"},
762
763 /* L3 Inputs */
764 {"IN3L PGA", NULL, "IN3L"},
765 {"IN3R PGA", NULL, "IN3R"},
766
767 /* Left Mic mixer */
768 {"Left Mic Mixer", "INN Capture Switch", "IN1LN"},
769 {"Left Mic Mixer", "INP Capture Switch", "IN1LP"},
770 {"Left Mic Mixer", "IN2 Capture Switch", "IN2L"},
771
772 /* Right Mic mixer */
773 {"Right Mic Mixer", "INN Capture Switch", "IN1RN"},
774 {"Right Mic Mixer", "INP Capture Switch", "IN1RP"},
775 {"Right Mic Mixer", "IN2 Capture Switch", "IN2R"},
776
777 /* out 4 capture */
778 {"Out4 Capture Channel", NULL, "Out4 Mixer"},
779
780 /* Beep */
781 {"Beep", NULL, "IN3R PGA"},
782 };
783
784 static int wm8350_add_widgets(struct snd_soc_codec *codec)
785 {
786 int ret;
787
788 ret = snd_soc_dapm_new_controls(codec,
789 wm8350_dapm_widgets,
790 ARRAY_SIZE(wm8350_dapm_widgets));
791 if (ret != 0) {
792 dev_err(codec->dev, "dapm control register failed\n");
793 return ret;
794 }
795
796 /* set up audio paths */
797 ret = snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
798 if (ret != 0) {
799 dev_err(codec->dev, "DAPM route register failed\n");
800 return ret;
801 }
802
803 return snd_soc_dapm_new_widgets(codec);
804 }
805
806 static int wm8350_set_dai_sysclk(struct snd_soc_dai *codec_dai,
807 int clk_id, unsigned int freq, int dir)
808 {
809 struct snd_soc_codec *codec = codec_dai->codec;
810 struct wm8350 *wm8350 = codec->control_data;
811 u16 fll_4;
812
813 switch (clk_id) {
814 case WM8350_MCLK_SEL_MCLK:
815 wm8350_clear_bits(wm8350, WM8350_CLOCK_CONTROL_1,
816 WM8350_MCLK_SEL);
817 break;
818 case WM8350_MCLK_SEL_PLL_MCLK:
819 case WM8350_MCLK_SEL_PLL_DAC:
820 case WM8350_MCLK_SEL_PLL_ADC:
821 case WM8350_MCLK_SEL_PLL_32K:
822 wm8350_set_bits(wm8350, WM8350_CLOCK_CONTROL_1,
823 WM8350_MCLK_SEL);
824 fll_4 = wm8350_codec_read(codec, WM8350_FLL_CONTROL_4) &
825 ~WM8350_FLL_CLK_SRC_MASK;
826 wm8350_codec_write(codec, WM8350_FLL_CONTROL_4, fll_4 | clk_id);
827 break;
828 }
829
830 /* MCLK direction */
831 if (dir == WM8350_MCLK_DIR_OUT)
832 wm8350_set_bits(wm8350, WM8350_CLOCK_CONTROL_2,
833 WM8350_MCLK_DIR);
834 else
835 wm8350_clear_bits(wm8350, WM8350_CLOCK_CONTROL_2,
836 WM8350_MCLK_DIR);
837
838 return 0;
839 }
840
841 static int wm8350_set_clkdiv(struct snd_soc_dai *codec_dai, int div_id, int div)
842 {
843 struct snd_soc_codec *codec = codec_dai->codec;
844 u16 val;
845
846 switch (div_id) {
847 case WM8350_ADC_CLKDIV:
848 val = wm8350_codec_read(codec, WM8350_ADC_DIVIDER) &
849 ~WM8350_ADC_CLKDIV_MASK;
850 wm8350_codec_write(codec, WM8350_ADC_DIVIDER, val | div);
851 break;
852 case WM8350_DAC_CLKDIV:
853 val = wm8350_codec_read(codec, WM8350_DAC_CLOCK_CONTROL) &
854 ~WM8350_DAC_CLKDIV_MASK;
855 wm8350_codec_write(codec, WM8350_DAC_CLOCK_CONTROL, val | div);
856 break;
857 case WM8350_BCLK_CLKDIV:
858 val = wm8350_codec_read(codec, WM8350_CLOCK_CONTROL_1) &
859 ~WM8350_BCLK_DIV_MASK;
860 wm8350_codec_write(codec, WM8350_CLOCK_CONTROL_1, val | div);
861 break;
862 case WM8350_OPCLK_CLKDIV:
863 val = wm8350_codec_read(codec, WM8350_CLOCK_CONTROL_1) &
864 ~WM8350_OPCLK_DIV_MASK;
865 wm8350_codec_write(codec, WM8350_CLOCK_CONTROL_1, val | div);
866 break;
867 case WM8350_SYS_CLKDIV:
868 val = wm8350_codec_read(codec, WM8350_CLOCK_CONTROL_1) &
869 ~WM8350_MCLK_DIV_MASK;
870 wm8350_codec_write(codec, WM8350_CLOCK_CONTROL_1, val | div);
871 break;
872 case WM8350_DACLR_CLKDIV:
873 val = wm8350_codec_read(codec, WM8350_DAC_LR_RATE) &
874 ~WM8350_DACLRC_RATE_MASK;
875 wm8350_codec_write(codec, WM8350_DAC_LR_RATE, val | div);
876 break;
877 case WM8350_ADCLR_CLKDIV:
878 val = wm8350_codec_read(codec, WM8350_ADC_LR_RATE) &
879 ~WM8350_ADCLRC_RATE_MASK;
880 wm8350_codec_write(codec, WM8350_ADC_LR_RATE, val | div);
881 break;
882 default:
883 return -EINVAL;
884 }
885
886 return 0;
887 }
888
889 static int wm8350_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
890 {
891 struct snd_soc_codec *codec = codec_dai->codec;
892 u16 iface = wm8350_codec_read(codec, WM8350_AI_FORMATING) &
893 ~(WM8350_AIF_BCLK_INV | WM8350_AIF_LRCLK_INV | WM8350_AIF_FMT_MASK);
894 u16 master = wm8350_codec_read(codec, WM8350_AI_DAC_CONTROL) &
895 ~WM8350_BCLK_MSTR;
896 u16 dac_lrc = wm8350_codec_read(codec, WM8350_DAC_LR_RATE) &
897 ~WM8350_DACLRC_ENA;
898 u16 adc_lrc = wm8350_codec_read(codec, WM8350_ADC_LR_RATE) &
899 ~WM8350_ADCLRC_ENA;
900
901 /* set master/slave audio interface */
902 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
903 case SND_SOC_DAIFMT_CBM_CFM:
904 master |= WM8350_BCLK_MSTR;
905 dac_lrc |= WM8350_DACLRC_ENA;
906 adc_lrc |= WM8350_ADCLRC_ENA;
907 break;
908 case SND_SOC_DAIFMT_CBS_CFS:
909 break;
910 default:
911 return -EINVAL;
912 }
913
914 /* interface format */
915 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
916 case SND_SOC_DAIFMT_I2S:
917 iface |= 0x2 << 8;
918 break;
919 case SND_SOC_DAIFMT_RIGHT_J:
920 break;
921 case SND_SOC_DAIFMT_LEFT_J:
922 iface |= 0x1 << 8;
923 break;
924 case SND_SOC_DAIFMT_DSP_A:
925 iface |= 0x3 << 8;
926 break;
927 case SND_SOC_DAIFMT_DSP_B:
928 iface |= 0x3 << 8; /* lg not sure which mode */
929 break;
930 default:
931 return -EINVAL;
932 }
933
934 /* clock inversion */
935 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
936 case SND_SOC_DAIFMT_NB_NF:
937 break;
938 case SND_SOC_DAIFMT_IB_IF:
939 iface |= WM8350_AIF_LRCLK_INV | WM8350_AIF_BCLK_INV;
940 break;
941 case SND_SOC_DAIFMT_IB_NF:
942 iface |= WM8350_AIF_BCLK_INV;
943 break;
944 case SND_SOC_DAIFMT_NB_IF:
945 iface |= WM8350_AIF_LRCLK_INV;
946 break;
947 default:
948 return -EINVAL;
949 }
950
951 wm8350_codec_write(codec, WM8350_AI_FORMATING, iface);
952 wm8350_codec_write(codec, WM8350_AI_DAC_CONTROL, master);
953 wm8350_codec_write(codec, WM8350_DAC_LR_RATE, dac_lrc);
954 wm8350_codec_write(codec, WM8350_ADC_LR_RATE, adc_lrc);
955 return 0;
956 }
957
958 static int wm8350_pcm_trigger(struct snd_pcm_substream *substream,
959 int cmd, struct snd_soc_dai *codec_dai)
960 {
961 struct snd_soc_codec *codec = codec_dai->codec;
962 int master = wm8350_codec_cache_read(codec, WM8350_AI_DAC_CONTROL) &
963 WM8350_BCLK_MSTR;
964 int enabled = 0;
965
966 /* Check that the DACs or ADCs are enabled since they are
967 * required for LRC in master mode. The DACs or ADCs need a
968 * valid audio path i.e. pin -> ADC or DAC -> pin before
969 * the LRC will be enabled in master mode. */
970 if (!master || cmd != SNDRV_PCM_TRIGGER_START)
971 return 0;
972
973 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
974 enabled = wm8350_codec_cache_read(codec, WM8350_POWER_MGMT_4) &
975 (WM8350_ADCR_ENA | WM8350_ADCL_ENA);
976 } else {
977 enabled = wm8350_codec_cache_read(codec, WM8350_POWER_MGMT_4) &
978 (WM8350_DACR_ENA | WM8350_DACL_ENA);
979 }
980
981 if (!enabled) {
982 dev_err(codec->dev,
983 "%s: invalid audio path - no clocks available\n",
984 __func__);
985 return -EINVAL;
986 }
987 return 0;
988 }
989
990 static int wm8350_pcm_hw_params(struct snd_pcm_substream *substream,
991 struct snd_pcm_hw_params *params,
992 struct snd_soc_dai *codec_dai)
993 {
994 struct snd_soc_codec *codec = codec_dai->codec;
995 struct wm8350 *wm8350 = codec->control_data;
996 u16 iface = wm8350_codec_read(codec, WM8350_AI_FORMATING) &
997 ~WM8350_AIF_WL_MASK;
998
999 /* bit size */
1000 switch (params_format(params)) {
1001 case SNDRV_PCM_FORMAT_S16_LE:
1002 break;
1003 case SNDRV_PCM_FORMAT_S20_3LE:
1004 iface |= 0x1 << 10;
1005 break;
1006 case SNDRV_PCM_FORMAT_S24_LE:
1007 iface |= 0x2 << 10;
1008 break;
1009 case SNDRV_PCM_FORMAT_S32_LE:
1010 iface |= 0x3 << 10;
1011 break;
1012 }
1013
1014 wm8350_codec_write(codec, WM8350_AI_FORMATING, iface);
1015
1016 /* The sloping stopband filter is recommended for use with
1017 * lower sample rates to improve performance.
1018 */
1019 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1020 if (params_rate(params) < 24000)
1021 wm8350_set_bits(wm8350, WM8350_DAC_MUTE_VOLUME,
1022 WM8350_DAC_SB_FILT);
1023 else
1024 wm8350_clear_bits(wm8350, WM8350_DAC_MUTE_VOLUME,
1025 WM8350_DAC_SB_FILT);
1026 }
1027
1028 return 0;
1029 }
1030
1031 static int wm8350_mute(struct snd_soc_dai *dai, int mute)
1032 {
1033 struct snd_soc_codec *codec = dai->codec;
1034 struct wm8350 *wm8350 = codec->control_data;
1035
1036 if (mute)
1037 wm8350_set_bits(wm8350, WM8350_DAC_MUTE, WM8350_DAC_MUTE_ENA);
1038 else
1039 wm8350_clear_bits(wm8350, WM8350_DAC_MUTE, WM8350_DAC_MUTE_ENA);
1040 return 0;
1041 }
1042
1043 /* FLL divisors */
1044 struct _fll_div {
1045 int div; /* FLL_OUTDIV */
1046 int n;
1047 int k;
1048 int ratio; /* FLL_FRATIO */
1049 };
1050
1051 /* The size in bits of the fll divide multiplied by 10
1052 * to allow rounding later */
1053 #define FIXED_FLL_SIZE ((1 << 16) * 10)
1054
1055 static inline int fll_factors(struct _fll_div *fll_div, unsigned int input,
1056 unsigned int output)
1057 {
1058 u64 Kpart;
1059 unsigned int t1, t2, K, Nmod;
1060
1061 if (output >= 2815250 && output <= 3125000)
1062 fll_div->div = 0x4;
1063 else if (output >= 5625000 && output <= 6250000)
1064 fll_div->div = 0x3;
1065 else if (output >= 11250000 && output <= 12500000)
1066 fll_div->div = 0x2;
1067 else if (output >= 22500000 && output <= 25000000)
1068 fll_div->div = 0x1;
1069 else {
1070 printk(KERN_ERR "wm8350: fll freq %d out of range\n", output);
1071 return -EINVAL;
1072 }
1073
1074 if (input > 48000)
1075 fll_div->ratio = 1;
1076 else
1077 fll_div->ratio = 8;
1078
1079 t1 = output * (1 << (fll_div->div + 1));
1080 t2 = input * fll_div->ratio;
1081
1082 fll_div->n = t1 / t2;
1083 Nmod = t1 % t2;
1084
1085 if (Nmod) {
1086 Kpart = FIXED_FLL_SIZE * (long long)Nmod;
1087 do_div(Kpart, t2);
1088 K = Kpart & 0xFFFFFFFF;
1089
1090 /* Check if we need to round */
1091 if ((K % 10) >= 5)
1092 K += 5;
1093
1094 /* Move down to proper range now rounding is done */
1095 K /= 10;
1096 fll_div->k = K;
1097 } else
1098 fll_div->k = 0;
1099
1100 return 0;
1101 }
1102
1103 static int wm8350_set_fll(struct snd_soc_dai *codec_dai,
1104 int pll_id, unsigned int freq_in,
1105 unsigned int freq_out)
1106 {
1107 struct snd_soc_codec *codec = codec_dai->codec;
1108 struct wm8350 *wm8350 = codec->control_data;
1109 struct wm8350_data *priv = codec->private_data;
1110 struct _fll_div fll_div;
1111 int ret = 0;
1112 u16 fll_1, fll_4;
1113
1114 if (freq_in == priv->fll_freq_in && freq_out == priv->fll_freq_out)
1115 return 0;
1116
1117 /* power down FLL - we need to do this for reconfiguration */
1118 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4,
1119 WM8350_FLL_ENA | WM8350_FLL_OSC_ENA);
1120
1121 if (freq_out == 0 || freq_in == 0)
1122 return ret;
1123
1124 ret = fll_factors(&fll_div, freq_in, freq_out);
1125 if (ret < 0)
1126 return ret;
1127 dev_dbg(wm8350->dev,
1128 "FLL in %u FLL out %u N 0x%x K 0x%x div %d ratio %d",
1129 freq_in, freq_out, fll_div.n, fll_div.k, fll_div.div,
1130 fll_div.ratio);
1131
1132 /* set up N.K & dividers */
1133 fll_1 = wm8350_codec_read(codec, WM8350_FLL_CONTROL_1) &
1134 ~(WM8350_FLL_OUTDIV_MASK | WM8350_FLL_RSP_RATE_MASK | 0xc000);
1135 wm8350_codec_write(codec, WM8350_FLL_CONTROL_1,
1136 fll_1 | (fll_div.div << 8) | 0x50);
1137 wm8350_codec_write(codec, WM8350_FLL_CONTROL_2,
1138 (fll_div.ratio << 11) | (fll_div.
1139 n & WM8350_FLL_N_MASK));
1140 wm8350_codec_write(codec, WM8350_FLL_CONTROL_3, fll_div.k);
1141 fll_4 = wm8350_codec_read(codec, WM8350_FLL_CONTROL_4) &
1142 ~(WM8350_FLL_FRAC | WM8350_FLL_SLOW_LOCK_REF);
1143 wm8350_codec_write(codec, WM8350_FLL_CONTROL_4,
1144 fll_4 | (fll_div.k ? WM8350_FLL_FRAC : 0) |
1145 (fll_div.ratio == 8 ? WM8350_FLL_SLOW_LOCK_REF : 0));
1146
1147 /* power FLL on */
1148 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_FLL_OSC_ENA);
1149 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_FLL_ENA);
1150
1151 priv->fll_freq_out = freq_out;
1152 priv->fll_freq_in = freq_in;
1153
1154 return 0;
1155 }
1156
1157 static int wm8350_set_bias_level(struct snd_soc_codec *codec,
1158 enum snd_soc_bias_level level)
1159 {
1160 struct wm8350 *wm8350 = codec->control_data;
1161 struct wm8350_data *priv = codec->private_data;
1162 struct wm8350_audio_platform_data *platform =
1163 wm8350->codec.platform_data;
1164 u16 pm1;
1165 int ret;
1166
1167 switch (level) {
1168 case SND_SOC_BIAS_ON:
1169 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1170 ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK);
1171 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1172 pm1 | WM8350_VMID_50K |
1173 platform->codec_current_on << 14);
1174 break;
1175
1176 case SND_SOC_BIAS_PREPARE:
1177 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1);
1178 pm1 &= ~WM8350_VMID_MASK;
1179 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1180 pm1 | WM8350_VMID_50K);
1181 break;
1182
1183 case SND_SOC_BIAS_STANDBY:
1184 if (codec->bias_level == SND_SOC_BIAS_OFF) {
1185 ret = regulator_bulk_enable(ARRAY_SIZE(priv->supplies),
1186 priv->supplies);
1187 if (ret != 0)
1188 return ret;
1189
1190 /* Enable the system clock */
1191 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4,
1192 WM8350_SYSCLK_ENA);
1193
1194 /* mute DAC & outputs */
1195 wm8350_set_bits(wm8350, WM8350_DAC_MUTE,
1196 WM8350_DAC_MUTE_ENA);
1197
1198 /* discharge cap memory */
1199 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1200 platform->dis_out1 |
1201 (platform->dis_out2 << 2) |
1202 (platform->dis_out3 << 4) |
1203 (platform->dis_out4 << 6));
1204
1205 /* wait for discharge */
1206 schedule_timeout_interruptible(msecs_to_jiffies
1207 (platform->
1208 cap_discharge_msecs));
1209
1210 /* enable antipop */
1211 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1212 (platform->vmid_s_curve << 8));
1213
1214 /* ramp up vmid */
1215 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1216 (platform->
1217 codec_current_charge << 14) |
1218 WM8350_VMID_5K | WM8350_VMIDEN |
1219 WM8350_VBUFEN);
1220
1221 /* wait for vmid */
1222 schedule_timeout_interruptible(msecs_to_jiffies
1223 (platform->
1224 vmid_charge_msecs));
1225
1226 /* turn on vmid 300k */
1227 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1228 ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK);
1229 pm1 |= WM8350_VMID_300K |
1230 (platform->codec_current_standby << 14);
1231 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1232 pm1);
1233
1234
1235 /* enable analogue bias */
1236 pm1 |= WM8350_BIASEN;
1237 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1);
1238
1239 /* disable antipop */
1240 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 0);
1241
1242 } else {
1243 /* turn on vmid 300k and reduce current */
1244 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1245 ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK);
1246 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1247 pm1 | WM8350_VMID_300K |
1248 (platform->
1249 codec_current_standby << 14));
1250
1251 }
1252 break;
1253
1254 case SND_SOC_BIAS_OFF:
1255
1256 /* mute DAC & enable outputs */
1257 wm8350_set_bits(wm8350, WM8350_DAC_MUTE, WM8350_DAC_MUTE_ENA);
1258
1259 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_3,
1260 WM8350_OUT1L_ENA | WM8350_OUT1R_ENA |
1261 WM8350_OUT2L_ENA | WM8350_OUT2R_ENA);
1262
1263 /* enable anti pop S curve */
1264 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1265 (platform->vmid_s_curve << 8));
1266
1267 /* turn off vmid */
1268 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1269 ~WM8350_VMIDEN;
1270 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1);
1271
1272 /* wait */
1273 schedule_timeout_interruptible(msecs_to_jiffies
1274 (platform->
1275 vmid_discharge_msecs));
1276
1277 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1278 (platform->vmid_s_curve << 8) |
1279 platform->dis_out1 |
1280 (platform->dis_out2 << 2) |
1281 (platform->dis_out3 << 4) |
1282 (platform->dis_out4 << 6));
1283
1284 /* turn off VBuf and drain */
1285 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1286 ~(WM8350_VBUFEN | WM8350_VMID_MASK);
1287 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1288 pm1 | WM8350_OUTPUT_DRAIN_EN);
1289
1290 /* wait */
1291 schedule_timeout_interruptible(msecs_to_jiffies
1292 (platform->drain_msecs));
1293
1294 pm1 &= ~WM8350_BIASEN;
1295 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1);
1296
1297 /* disable anti-pop */
1298 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 0);
1299
1300 wm8350_clear_bits(wm8350, WM8350_LOUT1_VOLUME,
1301 WM8350_OUT1L_ENA);
1302 wm8350_clear_bits(wm8350, WM8350_ROUT1_VOLUME,
1303 WM8350_OUT1R_ENA);
1304 wm8350_clear_bits(wm8350, WM8350_LOUT2_VOLUME,
1305 WM8350_OUT2L_ENA);
1306 wm8350_clear_bits(wm8350, WM8350_ROUT2_VOLUME,
1307 WM8350_OUT2R_ENA);
1308
1309 /* disable clock gen */
1310 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4,
1311 WM8350_SYSCLK_ENA);
1312
1313 regulator_bulk_disable(ARRAY_SIZE(priv->supplies),
1314 priv->supplies);
1315 break;
1316 }
1317 codec->bias_level = level;
1318 return 0;
1319 }
1320
1321 static int wm8350_suspend(struct platform_device *pdev, pm_message_t state)
1322 {
1323 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1324 struct snd_soc_codec *codec = socdev->card->codec;
1325
1326 wm8350_set_bias_level(codec, SND_SOC_BIAS_OFF);
1327 return 0;
1328 }
1329
1330 static int wm8350_resume(struct platform_device *pdev)
1331 {
1332 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1333 struct snd_soc_codec *codec = socdev->card->codec;
1334
1335 wm8350_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1336
1337 if (codec->suspend_bias_level == SND_SOC_BIAS_ON)
1338 wm8350_set_bias_level(codec, SND_SOC_BIAS_ON);
1339
1340 return 0;
1341 }
1342
1343 static void wm8350_hp_jack_handler(struct wm8350 *wm8350, int irq, void *data)
1344 {
1345 struct wm8350_data *priv = data;
1346 u16 reg;
1347 int report;
1348 int mask;
1349 struct wm8350_jack_data *jack = NULL;
1350
1351 switch (irq) {
1352 case WM8350_IRQ_CODEC_JCK_DET_L:
1353 jack = &priv->hpl;
1354 mask = WM8350_JACK_L_LVL;
1355 break;
1356
1357 case WM8350_IRQ_CODEC_JCK_DET_R:
1358 jack = &priv->hpr;
1359 mask = WM8350_JACK_R_LVL;
1360 break;
1361
1362 default:
1363 BUG();
1364 }
1365
1366 if (!jack->jack) {
1367 dev_warn(wm8350->dev, "Jack interrupt called with no jack\n");
1368 return;
1369 }
1370
1371 /* Debounce */
1372 msleep(200);
1373
1374 reg = wm8350_reg_read(wm8350, WM8350_JACK_PIN_STATUS);
1375 if (reg & mask)
1376 report = jack->report;
1377 else
1378 report = 0;
1379
1380 snd_soc_jack_report(jack->jack, report, jack->report);
1381 }
1382
1383 /**
1384 * wm8350_hp_jack_detect - Enable headphone jack detection.
1385 *
1386 * @codec: WM8350 codec
1387 * @which: left or right jack detect signal
1388 * @jack: jack to report detection events on
1389 * @report: value to report
1390 *
1391 * Enables the headphone jack detection of the WM8350.
1392 */
1393 int wm8350_hp_jack_detect(struct snd_soc_codec *codec, enum wm8350_jack which,
1394 struct snd_soc_jack *jack, int report)
1395 {
1396 struct wm8350_data *priv = codec->private_data;
1397 struct wm8350 *wm8350 = codec->control_data;
1398 int irq;
1399 int ena;
1400
1401 switch (which) {
1402 case WM8350_JDL:
1403 priv->hpl.jack = jack;
1404 priv->hpl.report = report;
1405 irq = WM8350_IRQ_CODEC_JCK_DET_L;
1406 ena = WM8350_JDL_ENA;
1407 break;
1408
1409 case WM8350_JDR:
1410 priv->hpr.jack = jack;
1411 priv->hpr.report = report;
1412 irq = WM8350_IRQ_CODEC_JCK_DET_R;
1413 ena = WM8350_JDR_ENA;
1414 break;
1415
1416 default:
1417 return -EINVAL;
1418 }
1419
1420 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA);
1421 wm8350_set_bits(wm8350, WM8350_JACK_DETECT, ena);
1422
1423 /* Sync status */
1424 wm8350_hp_jack_handler(wm8350, irq, priv);
1425
1426 wm8350_unmask_irq(wm8350, irq);
1427
1428 return 0;
1429 }
1430 EXPORT_SYMBOL_GPL(wm8350_hp_jack_detect);
1431
1432 static struct snd_soc_codec *wm8350_codec;
1433
1434 static int wm8350_probe(struct platform_device *pdev)
1435 {
1436 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1437 struct snd_soc_codec *codec;
1438 struct wm8350 *wm8350;
1439 struct wm8350_data *priv;
1440 int ret;
1441 struct wm8350_output *out1;
1442 struct wm8350_output *out2;
1443
1444 BUG_ON(!wm8350_codec);
1445
1446 socdev->card->codec = wm8350_codec;
1447 codec = socdev->card->codec;
1448 wm8350 = codec->control_data;
1449 priv = codec->private_data;
1450
1451 /* Enable the codec */
1452 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA);
1453
1454 /* Enable robust clocking mode in ADC */
1455 wm8350_codec_write(codec, WM8350_SECURITY, 0xa7);
1456 wm8350_codec_write(codec, 0xde, 0x13);
1457 wm8350_codec_write(codec, WM8350_SECURITY, 0);
1458
1459 /* read OUT1 & OUT2 volumes */
1460 out1 = &priv->out1;
1461 out2 = &priv->out2;
1462 out1->left_vol = (wm8350_reg_read(wm8350, WM8350_LOUT1_VOLUME) &
1463 WM8350_OUT1L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
1464 out1->right_vol = (wm8350_reg_read(wm8350, WM8350_ROUT1_VOLUME) &
1465 WM8350_OUT1R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
1466 out2->left_vol = (wm8350_reg_read(wm8350, WM8350_LOUT2_VOLUME) &
1467 WM8350_OUT2L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
1468 out2->right_vol = (wm8350_reg_read(wm8350, WM8350_ROUT2_VOLUME) &
1469 WM8350_OUT2R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
1470 wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME, 0);
1471 wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME, 0);
1472 wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME, 0);
1473 wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME, 0);
1474
1475 /* Latch VU bits & mute */
1476 wm8350_set_bits(wm8350, WM8350_LOUT1_VOLUME,
1477 WM8350_OUT1_VU | WM8350_OUT1L_MUTE);
1478 wm8350_set_bits(wm8350, WM8350_LOUT2_VOLUME,
1479 WM8350_OUT2_VU | WM8350_OUT2L_MUTE);
1480 wm8350_set_bits(wm8350, WM8350_ROUT1_VOLUME,
1481 WM8350_OUT1_VU | WM8350_OUT1R_MUTE);
1482 wm8350_set_bits(wm8350, WM8350_ROUT2_VOLUME,
1483 WM8350_OUT2_VU | WM8350_OUT2R_MUTE);
1484
1485 wm8350_mask_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L);
1486 wm8350_mask_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R);
1487 wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L,
1488 wm8350_hp_jack_handler, priv);
1489 wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R,
1490 wm8350_hp_jack_handler, priv);
1491
1492 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
1493 if (ret < 0) {
1494 dev_err(&pdev->dev, "failed to create pcms\n");
1495 return ret;
1496 }
1497
1498 snd_soc_add_controls(codec, wm8350_snd_controls,
1499 ARRAY_SIZE(wm8350_snd_controls));
1500 wm8350_add_widgets(codec);
1501
1502 wm8350_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1503
1504 ret = snd_soc_init_card(socdev);
1505 if (ret < 0) {
1506 dev_err(&pdev->dev, "failed to register card\n");
1507 goto card_err;
1508 }
1509
1510 return 0;
1511
1512 card_err:
1513 snd_soc_free_pcms(socdev);
1514 snd_soc_dapm_free(socdev);
1515 return ret;
1516 }
1517
1518 static int wm8350_remove(struct platform_device *pdev)
1519 {
1520 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1521 struct snd_soc_codec *codec = socdev->card->codec;
1522 struct wm8350 *wm8350 = codec->control_data;
1523 struct wm8350_data *priv = codec->private_data;
1524 int ret;
1525
1526 wm8350_clear_bits(wm8350, WM8350_JACK_DETECT,
1527 WM8350_JDL_ENA | WM8350_JDR_ENA);
1528 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA);
1529
1530 wm8350_mask_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L);
1531 wm8350_mask_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R);
1532 wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L);
1533 wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R);
1534
1535 priv->hpl.jack = NULL;
1536 priv->hpr.jack = NULL;
1537
1538 /* cancel any work waiting to be queued. */
1539 ret = cancel_delayed_work(&codec->delayed_work);
1540
1541 /* if there was any work waiting then we run it now and
1542 * wait for its completion */
1543 if (ret) {
1544 schedule_delayed_work(&codec->delayed_work, 0);
1545 flush_scheduled_work();
1546 }
1547
1548 wm8350_set_bias_level(codec, SND_SOC_BIAS_OFF);
1549
1550 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA);
1551
1552 return 0;
1553 }
1554
1555 #define WM8350_RATES (SNDRV_PCM_RATE_8000_96000)
1556
1557 #define WM8350_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
1558 SNDRV_PCM_FMTBIT_S20_3LE |\
1559 SNDRV_PCM_FMTBIT_S24_LE)
1560
1561 static struct snd_soc_dai_ops wm8350_dai_ops = {
1562 .hw_params = wm8350_pcm_hw_params,
1563 .digital_mute = wm8350_mute,
1564 .trigger = wm8350_pcm_trigger,
1565 .set_fmt = wm8350_set_dai_fmt,
1566 .set_sysclk = wm8350_set_dai_sysclk,
1567 .set_pll = wm8350_set_fll,
1568 .set_clkdiv = wm8350_set_clkdiv,
1569 };
1570
1571 struct snd_soc_dai wm8350_dai = {
1572 .name = "WM8350",
1573 .playback = {
1574 .stream_name = "Playback",
1575 .channels_min = 1,
1576 .channels_max = 2,
1577 .rates = WM8350_RATES,
1578 .formats = WM8350_FORMATS,
1579 },
1580 .capture = {
1581 .stream_name = "Capture",
1582 .channels_min = 1,
1583 .channels_max = 2,
1584 .rates = WM8350_RATES,
1585 .formats = WM8350_FORMATS,
1586 },
1587 .ops = &wm8350_dai_ops,
1588 };
1589 EXPORT_SYMBOL_GPL(wm8350_dai);
1590
1591 struct snd_soc_codec_device soc_codec_dev_wm8350 = {
1592 .probe = wm8350_probe,
1593 .remove = wm8350_remove,
1594 .suspend = wm8350_suspend,
1595 .resume = wm8350_resume,
1596 };
1597 EXPORT_SYMBOL_GPL(soc_codec_dev_wm8350);
1598
1599 static __devinit int wm8350_codec_probe(struct platform_device *pdev)
1600 {
1601 struct wm8350 *wm8350 = platform_get_drvdata(pdev);
1602 struct wm8350_data *priv;
1603 struct snd_soc_codec *codec;
1604 int ret, i;
1605
1606 if (wm8350->codec.platform_data == NULL) {
1607 dev_err(&pdev->dev, "No audio platform data supplied\n");
1608 return -EINVAL;
1609 }
1610
1611 priv = kzalloc(sizeof(struct wm8350_data), GFP_KERNEL);
1612 if (priv == NULL)
1613 return -ENOMEM;
1614
1615 for (i = 0; i < ARRAY_SIZE(supply_names); i++)
1616 priv->supplies[i].supply = supply_names[i];
1617
1618 ret = regulator_bulk_get(wm8350->dev, ARRAY_SIZE(priv->supplies),
1619 priv->supplies);
1620 if (ret != 0)
1621 goto err_priv;
1622
1623 codec = &priv->codec;
1624 wm8350->codec.codec = codec;
1625
1626 wm8350_dai.dev = &pdev->dev;
1627
1628 mutex_init(&codec->mutex);
1629 INIT_LIST_HEAD(&codec->dapm_widgets);
1630 INIT_LIST_HEAD(&codec->dapm_paths);
1631 codec->dev = &pdev->dev;
1632 codec->name = "WM8350";
1633 codec->owner = THIS_MODULE;
1634 codec->read = wm8350_codec_read;
1635 codec->write = wm8350_codec_write;
1636 codec->bias_level = SND_SOC_BIAS_OFF;
1637 codec->set_bias_level = wm8350_set_bias_level;
1638 codec->dai = &wm8350_dai;
1639 codec->num_dai = 1;
1640 codec->reg_cache_size = WM8350_MAX_REGISTER;
1641 codec->private_data = priv;
1642 codec->control_data = wm8350;
1643
1644 /* Put the codec into reset if it wasn't already */
1645 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA);
1646
1647 INIT_DELAYED_WORK(&codec->delayed_work, wm8350_pga_work);
1648 ret = snd_soc_register_codec(codec);
1649 if (ret != 0)
1650 goto err_supply;
1651
1652 wm8350_codec = codec;
1653
1654 ret = snd_soc_register_dai(&wm8350_dai);
1655 if (ret != 0)
1656 goto err_codec;
1657 return 0;
1658
1659 err_codec:
1660 snd_soc_unregister_codec(codec);
1661 err_supply:
1662 regulator_bulk_free(ARRAY_SIZE(priv->supplies), priv->supplies);
1663 err_priv:
1664 kfree(priv);
1665 wm8350_codec = NULL;
1666 return ret;
1667 }
1668
1669 static int __devexit wm8350_codec_remove(struct platform_device *pdev)
1670 {
1671 struct wm8350 *wm8350 = platform_get_drvdata(pdev);
1672 struct snd_soc_codec *codec = wm8350->codec.codec;
1673 struct wm8350_data *priv = codec->private_data;
1674
1675 snd_soc_unregister_dai(&wm8350_dai);
1676 snd_soc_unregister_codec(codec);
1677 regulator_bulk_free(ARRAY_SIZE(priv->supplies), priv->supplies);
1678 kfree(priv);
1679 wm8350_codec = NULL;
1680 return 0;
1681 }
1682
1683 #ifdef CONFIG_PM
1684 static int wm8350_codec_suspend(struct platform_device *pdev, pm_message_t m)
1685 {
1686 return snd_soc_suspend_device(&pdev->dev);
1687 }
1688
1689 static int wm8350_codec_resume(struct platform_device *pdev)
1690 {
1691 return snd_soc_resume_device(&pdev->dev);
1692 }
1693 #else
1694 #define wm8350_codec_suspend NULL
1695 #define wm8350_codec_resume NULL
1696 #endif
1697
1698 static struct platform_driver wm8350_codec_driver = {
1699 .driver = {
1700 .name = "wm8350-codec",
1701 .owner = THIS_MODULE,
1702 },
1703 .probe = wm8350_codec_probe,
1704 .remove = __devexit_p(wm8350_codec_remove),
1705 .suspend = wm8350_codec_suspend,
1706 .resume = wm8350_codec_resume,
1707 };
1708
1709 static __init int wm8350_init(void)
1710 {
1711 return platform_driver_register(&wm8350_codec_driver);
1712 }
1713 module_init(wm8350_init);
1714
1715 static __exit void wm8350_exit(void)
1716 {
1717 platform_driver_unregister(&wm8350_codec_driver);
1718 }
1719 module_exit(wm8350_exit);
1720
1721 MODULE_DESCRIPTION("ASoC WM8350 driver");
1722 MODULE_AUTHOR("Liam Girdwood");
1723 MODULE_LICENSE("GPL");
1724 MODULE_ALIAS("platform:wm8350-codec");
Linux with added FPC-III support