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sungem: Fix WakeOnLan
[zen-stable.git] / sound / soc / codecs / wm8350.c
blob8c4c9591ec055103eb1cf3381ae3e3d969abac85
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/slab.h>
17 #include <linux/delay.h>
18 #include <linux/pm.h>
19 #include <linux/platform_device.h>
20 #include <linux/mfd/wm8350/audio.h>
21 #include <linux/mfd/wm8350/core.h>
22 #include <linux/regulator/consumer.h>
23 #include <sound/core.h>
24 #include <sound/pcm.h>
25 #include <sound/pcm_params.h>
26 #include <sound/soc.h>
27 #include <sound/initval.h>
28 #include <sound/tlv.h>
29 #include <trace/events/asoc.h>
30
31 #include "wm8350.h"
32
33 #define WM8350_OUTn_0dB 0x39
34
35 #define WM8350_RAMP_NONE 0
36 #define WM8350_RAMP_UP 1
37 #define WM8350_RAMP_DOWN 2
38
39 /* We only include the analogue supplies here; the digital supplies
40 * need to be available well before this driver can be probed.
41 */
42 static const char *supply_names[] = {
43 "AVDD",
44 "HPVDD",
45 };
46
47 struct wm8350_output {
48 u16 active;
49 u16 left_vol;
50 u16 right_vol;
51 u16 ramp;
52 u16 mute;
53 };
54
55 struct wm8350_jack_data {
56 struct snd_soc_jack *jack;
57 struct delayed_work work;
58 int report;
59 int short_report;
60 };
61
62 struct wm8350_data {
63 struct snd_soc_codec codec;
64 struct wm8350_output out1;
65 struct wm8350_output out2;
66 struct wm8350_jack_data hpl;
67 struct wm8350_jack_data hpr;
68 struct wm8350_jack_data mic;
69 struct regulator_bulk_data supplies[ARRAY_SIZE(supply_names)];
70 int fll_freq_out;
71 int fll_freq_in;
72 };
73
74 static unsigned int wm8350_codec_cache_read(struct snd_soc_codec *codec,
75 unsigned int reg)
76 {
77 struct wm8350 *wm8350 = codec->control_data;
78 return wm8350->reg_cache[reg];
79 }
80
81 static unsigned int wm8350_codec_read(struct snd_soc_codec *codec,
82 unsigned int reg)
83 {
84 struct wm8350 *wm8350 = codec->control_data;
85 return wm8350_reg_read(wm8350, reg);
86 }
87
88 static int wm8350_codec_write(struct snd_soc_codec *codec, unsigned int reg,
89 unsigned int value)
90 {
91 struct wm8350 *wm8350 = codec->control_data;
92 return wm8350_reg_write(wm8350, reg, value);
93 }
94
95 /*
96 * Ramp OUT1 PGA volume to minimise pops at stream startup and shutdown.
97 */
98 static inline int wm8350_out1_ramp_step(struct snd_soc_codec *codec)
99 {
100 struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
101 struct wm8350_output *out1 = &wm8350_data->out1;
102 struct wm8350 *wm8350 = codec->control_data;
103 int left_complete = 0, right_complete = 0;
104 u16 reg, val;
105
106 /* left channel */
107 reg = wm8350_reg_read(wm8350, WM8350_LOUT1_VOLUME);
108 val = (reg & WM8350_OUT1L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
109
110 if (out1->ramp == WM8350_RAMP_UP) {
111 /* ramp step up */
112 if (val < out1->left_vol) {
113 val++;
114 reg &= ~WM8350_OUT1L_VOL_MASK;
115 wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME,
116 reg | (val << WM8350_OUT1L_VOL_SHIFT));
117 } else
118 left_complete = 1;
119 } else if (out1->ramp == WM8350_RAMP_DOWN) {
120 /* ramp step down */
121 if (val > 0) {
122 val--;
123 reg &= ~WM8350_OUT1L_VOL_MASK;
124 wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME,
125 reg | (val << WM8350_OUT1L_VOL_SHIFT));
126 } else
127 left_complete = 1;
128 } else
129 return 1;
130
131 /* right channel */
132 reg = wm8350_reg_read(wm8350, WM8350_ROUT1_VOLUME);
133 val = (reg & WM8350_OUT1R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
134 if (out1->ramp == WM8350_RAMP_UP) {
135 /* ramp step up */
136 if (val < out1->right_vol) {
137 val++;
138 reg &= ~WM8350_OUT1R_VOL_MASK;
139 wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME,
140 reg | (val << WM8350_OUT1R_VOL_SHIFT));
141 } else
142 right_complete = 1;
143 } else if (out1->ramp == WM8350_RAMP_DOWN) {
144 /* ramp step down */
145 if (val > 0) {
146 val--;
147 reg &= ~WM8350_OUT1R_VOL_MASK;
148 wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME,
149 reg | (val << WM8350_OUT1R_VOL_SHIFT));
150 } else
151 right_complete = 1;
152 }
153
154 /* only hit the update bit if either volume has changed this step */
155 if (!left_complete || !right_complete)
156 wm8350_set_bits(wm8350, WM8350_LOUT1_VOLUME, WM8350_OUT1_VU);
157
158 return left_complete & right_complete;
159 }
160
161 /*
162 * Ramp OUT2 PGA volume to minimise pops at stream startup and shutdown.
163 */
164 static inline int wm8350_out2_ramp_step(struct snd_soc_codec *codec)
165 {
166 struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
167 struct wm8350_output *out2 = &wm8350_data->out2;
168 struct wm8350 *wm8350 = codec->control_data;
169 int left_complete = 0, right_complete = 0;
170 u16 reg, val;
171
172 /* left channel */
173 reg = wm8350_reg_read(wm8350, WM8350_LOUT2_VOLUME);
174 val = (reg & WM8350_OUT2L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
175 if (out2->ramp == WM8350_RAMP_UP) {
176 /* ramp step up */
177 if (val < out2->left_vol) {
178 val++;
179 reg &= ~WM8350_OUT2L_VOL_MASK;
180 wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME,
181 reg | (val << WM8350_OUT1L_VOL_SHIFT));
182 } else
183 left_complete = 1;
184 } else if (out2->ramp == WM8350_RAMP_DOWN) {
185 /* ramp step down */
186 if (val > 0) {
187 val--;
188 reg &= ~WM8350_OUT2L_VOL_MASK;
189 wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME,
190 reg | (val << WM8350_OUT1L_VOL_SHIFT));
191 } else
192 left_complete = 1;
193 } else
194 return 1;
195
196 /* right channel */
197 reg = wm8350_reg_read(wm8350, WM8350_ROUT2_VOLUME);
198 val = (reg & WM8350_OUT2R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
199 if (out2->ramp == WM8350_RAMP_UP) {
200 /* ramp step up */
201 if (val < out2->right_vol) {
202 val++;
203 reg &= ~WM8350_OUT2R_VOL_MASK;
204 wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME,
205 reg | (val << WM8350_OUT1R_VOL_SHIFT));
206 } else
207 right_complete = 1;
208 } else if (out2->ramp == WM8350_RAMP_DOWN) {
209 /* ramp step down */
210 if (val > 0) {
211 val--;
212 reg &= ~WM8350_OUT2R_VOL_MASK;
213 wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME,
214 reg | (val << WM8350_OUT1R_VOL_SHIFT));
215 } else
216 right_complete = 1;
217 }
218
219 /* only hit the update bit if either volume has changed this step */
220 if (!left_complete || !right_complete)
221 wm8350_set_bits(wm8350, WM8350_LOUT2_VOLUME, WM8350_OUT2_VU);
222
223 return left_complete & right_complete;
224 }
225
226 /*
227 * This work ramps both output PGAs at stream start/stop time to
228 * minimise pop associated with DAPM power switching.
229 * It's best to enable Zero Cross when ramping occurs to minimise any
230 * zipper noises.
231 */
232 static void wm8350_pga_work(struct work_struct *work)
233 {
234 struct snd_soc_dapm_context *dapm =
235 container_of(work, struct snd_soc_dapm_context, delayed_work.work);
236 struct snd_soc_codec *codec = dapm->codec;
237 struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
238 struct wm8350_output *out1 = &wm8350_data->out1,
239 *out2 = &wm8350_data->out2;
240 int i, out1_complete, out2_complete;
241
242 /* do we need to ramp at all ? */
243 if (out1->ramp == WM8350_RAMP_NONE && out2->ramp == WM8350_RAMP_NONE)
244 return;
245
246 /* PGA volumes have 6 bits of resolution to ramp */
247 for (i = 0; i <= 63; i++) {
248 out1_complete = 1, out2_complete = 1;
249 if (out1->ramp != WM8350_RAMP_NONE)
250 out1_complete = wm8350_out1_ramp_step(codec);
251 if (out2->ramp != WM8350_RAMP_NONE)
252 out2_complete = wm8350_out2_ramp_step(codec);
253
254 /* ramp finished ? */
255 if (out1_complete && out2_complete)
256 break;
257
258 /* we need to delay longer on the up ramp */
259 if (out1->ramp == WM8350_RAMP_UP ||
260 out2->ramp == WM8350_RAMP_UP) {
261 /* delay is longer over 0dB as increases are larger */
262 if (i >= WM8350_OUTn_0dB)
263 schedule_timeout_interruptible(msecs_to_jiffies
264 (2));
265 else
266 schedule_timeout_interruptible(msecs_to_jiffies
267 (1));
268 } else
269 udelay(50); /* doesn't matter if we delay longer */
270 }
271
272 out1->ramp = WM8350_RAMP_NONE;
273 out2->ramp = WM8350_RAMP_NONE;
274 }
275
276 /*
277 * WM8350 Controls
278 */
279
280 static int pga_event(struct snd_soc_dapm_widget *w,
281 struct snd_kcontrol *kcontrol, int event)
282 {
283 struct snd_soc_codec *codec = w->codec;
284 struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
285 struct wm8350_output *out;
286
287 switch (w->shift) {
288 case 0:
289 case 1:
290 out = &wm8350_data->out1;
291 break;
292 case 2:
293 case 3:
294 out = &wm8350_data->out2;
295 break;
296
297 default:
298 BUG();
299 return -1;
300 }
301
302 switch (event) {
303 case SND_SOC_DAPM_POST_PMU:
304 out->ramp = WM8350_RAMP_UP;
305 out->active = 1;
306
307 if (!delayed_work_pending(&codec->dapm.delayed_work))
308 schedule_delayed_work(&codec->dapm.delayed_work,
309 msecs_to_jiffies(1));
310 break;
311
312 case SND_SOC_DAPM_PRE_PMD:
313 out->ramp = WM8350_RAMP_DOWN;
314 out->active = 0;
315
316 if (!delayed_work_pending(&codec->dapm.delayed_work))
317 schedule_delayed_work(&codec->dapm.delayed_work,
318 msecs_to_jiffies(1));
319 break;
320 }
321
322 return 0;
323 }
324
325 static int wm8350_put_volsw_2r_vu(struct snd_kcontrol *kcontrol,
326 struct snd_ctl_elem_value *ucontrol)
327 {
328 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
329 struct wm8350_data *wm8350_priv = snd_soc_codec_get_drvdata(codec);
330 struct wm8350_output *out = NULL;
331 struct soc_mixer_control *mc =
332 (struct soc_mixer_control *)kcontrol->private_value;
333 int ret;
334 unsigned int reg = mc->reg;
335 u16 val;
336
337 /* For OUT1 and OUT2 we shadow the values and only actually write
338 * them out when active in order to ensure the amplifier comes on
339 * as quietly as possible. */
340 switch (reg) {
341 case WM8350_LOUT1_VOLUME:
342 out = &wm8350_priv->out1;
343 break;
344 case WM8350_LOUT2_VOLUME:
345 out = &wm8350_priv->out2;
346 break;
347 default:
348 break;
349 }
350
351 if (out) {
352 out->left_vol = ucontrol->value.integer.value[0];
353 out->right_vol = ucontrol->value.integer.value[1];
354 if (!out->active)
355 return 1;
356 }
357
358 ret = snd_soc_put_volsw(kcontrol, ucontrol);
359 if (ret < 0)
360 return ret;
361
362 /* now hit the volume update bits (always bit 8) */
363 val = wm8350_codec_read(codec, reg);
364 wm8350_codec_write(codec, reg, val | WM8350_OUT1_VU);
365 return 1;
366 }
367
368 static int wm8350_get_volsw_2r(struct snd_kcontrol *kcontrol,
369 struct snd_ctl_elem_value *ucontrol)
370 {
371 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
372 struct wm8350_data *wm8350_priv = snd_soc_codec_get_drvdata(codec);
373 struct wm8350_output *out1 = &wm8350_priv->out1;
374 struct wm8350_output *out2 = &wm8350_priv->out2;
375 struct soc_mixer_control *mc =
376 (struct soc_mixer_control *)kcontrol->private_value;
377 unsigned int reg = mc->reg;
378
379 /* If these are cached registers use the cache */
380 switch (reg) {
381 case WM8350_LOUT1_VOLUME:
382 ucontrol->value.integer.value[0] = out1->left_vol;
383 ucontrol->value.integer.value[1] = out1->right_vol;
384 return 0;
385
386 case WM8350_LOUT2_VOLUME:
387 ucontrol->value.integer.value[0] = out2->left_vol;
388 ucontrol->value.integer.value[1] = out2->right_vol;
389 return 0;
390
391 default:
392 break;
393 }
394
395 return snd_soc_get_volsw(kcontrol, ucontrol);
396 }
397
398 static const char *wm8350_deemp[] = { "None", "32kHz", "44.1kHz", "48kHz" };
399 static const char *wm8350_pol[] = { "Normal", "Inv R", "Inv L", "Inv L & R" };
400 static const char *wm8350_dacmutem[] = { "Normal", "Soft" };
401 static const char *wm8350_dacmutes[] = { "Fast", "Slow" };
402 static const char *wm8350_adcfilter[] = { "None", "High Pass" };
403 static const char *wm8350_adchp[] = { "44.1kHz", "8kHz", "16kHz", "32kHz" };
404 static const char *wm8350_lr[] = { "Left", "Right" };
405
406 static const struct soc_enum wm8350_enum[] = {
407 SOC_ENUM_SINGLE(WM8350_DAC_CONTROL, 4, 4, wm8350_deemp),
408 SOC_ENUM_SINGLE(WM8350_DAC_CONTROL, 0, 4, wm8350_pol),
409 SOC_ENUM_SINGLE(WM8350_DAC_MUTE_VOLUME, 14, 2, wm8350_dacmutem),
410 SOC_ENUM_SINGLE(WM8350_DAC_MUTE_VOLUME, 13, 2, wm8350_dacmutes),
411 SOC_ENUM_SINGLE(WM8350_ADC_CONTROL, 15, 2, wm8350_adcfilter),
412 SOC_ENUM_SINGLE(WM8350_ADC_CONTROL, 8, 4, wm8350_adchp),
413 SOC_ENUM_SINGLE(WM8350_ADC_CONTROL, 0, 4, wm8350_pol),
414 SOC_ENUM_SINGLE(WM8350_INPUT_MIXER_VOLUME, 15, 2, wm8350_lr),
415 };
416
417 static DECLARE_TLV_DB_SCALE(pre_amp_tlv, -1200, 3525, 0);
418 static DECLARE_TLV_DB_SCALE(out_pga_tlv, -5700, 600, 0);
419 static DECLARE_TLV_DB_SCALE(dac_pcm_tlv, -7163, 36, 1);
420 static DECLARE_TLV_DB_SCALE(adc_pcm_tlv, -12700, 50, 1);
421 static DECLARE_TLV_DB_SCALE(out_mix_tlv, -1500, 300, 1);
422
423 static const unsigned int capture_sd_tlv[] = {
424 TLV_DB_RANGE_HEAD(2),
425 0, 12, TLV_DB_SCALE_ITEM(-3600, 300, 1),
426 13, 15, TLV_DB_SCALE_ITEM(0, 0, 0),
427 };
428
429 static const struct snd_kcontrol_new wm8350_snd_controls[] = {
430 SOC_ENUM("Playback Deemphasis", wm8350_enum[0]),
431 SOC_ENUM("Playback DAC Inversion", wm8350_enum[1]),
432 SOC_DOUBLE_R_EXT_TLV("Playback PCM Volume",
433 WM8350_DAC_DIGITAL_VOLUME_L,
434 WM8350_DAC_DIGITAL_VOLUME_R,
435 0, 255, 0, wm8350_get_volsw_2r,
436 wm8350_put_volsw_2r_vu, dac_pcm_tlv),
437 SOC_ENUM("Playback PCM Mute Function", wm8350_enum[2]),
438 SOC_ENUM("Playback PCM Mute Speed", wm8350_enum[3]),
439 SOC_ENUM("Capture PCM Filter", wm8350_enum[4]),
440 SOC_ENUM("Capture PCM HP Filter", wm8350_enum[5]),
441 SOC_ENUM("Capture ADC Inversion", wm8350_enum[6]),
442 SOC_DOUBLE_R_EXT_TLV("Capture PCM Volume",
443 WM8350_ADC_DIGITAL_VOLUME_L,
444 WM8350_ADC_DIGITAL_VOLUME_R,
445 0, 255, 0, wm8350_get_volsw_2r,
446 wm8350_put_volsw_2r_vu, adc_pcm_tlv),
447 SOC_DOUBLE_TLV("Capture Sidetone Volume",
448 WM8350_ADC_DIVIDER,
449 8, 4, 15, 1, capture_sd_tlv),
450 SOC_DOUBLE_R_EXT_TLV("Capture Volume",
451 WM8350_LEFT_INPUT_VOLUME,
452 WM8350_RIGHT_INPUT_VOLUME,
453 2, 63, 0, wm8350_get_volsw_2r,
454 wm8350_put_volsw_2r_vu, pre_amp_tlv),
455 SOC_DOUBLE_R("Capture ZC Switch",
456 WM8350_LEFT_INPUT_VOLUME,
457 WM8350_RIGHT_INPUT_VOLUME, 13, 1, 0),
458 SOC_SINGLE_TLV("Left Input Left Sidetone Volume",
459 WM8350_OUTPUT_LEFT_MIXER_VOLUME, 1, 7, 0, out_mix_tlv),
460 SOC_SINGLE_TLV("Left Input Right Sidetone Volume",
461 WM8350_OUTPUT_LEFT_MIXER_VOLUME,
462 5, 7, 0, out_mix_tlv),
463 SOC_SINGLE_TLV("Left Input Bypass Volume",
464 WM8350_OUTPUT_LEFT_MIXER_VOLUME,
465 9, 7, 0, out_mix_tlv),
466 SOC_SINGLE_TLV("Right Input Left Sidetone Volume",
467 WM8350_OUTPUT_RIGHT_MIXER_VOLUME,
468 1, 7, 0, out_mix_tlv),
469 SOC_SINGLE_TLV("Right Input Right Sidetone Volume",
470 WM8350_OUTPUT_RIGHT_MIXER_VOLUME,
471 5, 7, 0, out_mix_tlv),
472 SOC_SINGLE_TLV("Right Input Bypass Volume",
473 WM8350_OUTPUT_RIGHT_MIXER_VOLUME,
474 13, 7, 0, out_mix_tlv),
475 SOC_SINGLE("Left Input Mixer +20dB Switch",
476 WM8350_INPUT_MIXER_VOLUME_L, 0, 1, 0),
477 SOC_SINGLE("Right Input Mixer +20dB Switch",
478 WM8350_INPUT_MIXER_VOLUME_R, 0, 1, 0),
479 SOC_SINGLE_TLV("Out4 Capture Volume",
480 WM8350_INPUT_MIXER_VOLUME,
481 1, 7, 0, out_mix_tlv),
482 SOC_DOUBLE_R_EXT_TLV("Out1 Playback Volume",
483 WM8350_LOUT1_VOLUME,
484 WM8350_ROUT1_VOLUME,
485 2, 63, 0, wm8350_get_volsw_2r,
486 wm8350_put_volsw_2r_vu, out_pga_tlv),
487 SOC_DOUBLE_R("Out1 Playback ZC Switch",
488 WM8350_LOUT1_VOLUME,
489 WM8350_ROUT1_VOLUME, 13, 1, 0),
490 SOC_DOUBLE_R_EXT_TLV("Out2 Playback Volume",
491 WM8350_LOUT2_VOLUME,
492 WM8350_ROUT2_VOLUME,
493 2, 63, 0, wm8350_get_volsw_2r,
494 wm8350_put_volsw_2r_vu, out_pga_tlv),
495 SOC_DOUBLE_R("Out2 Playback ZC Switch", WM8350_LOUT2_VOLUME,
496 WM8350_ROUT2_VOLUME, 13, 1, 0),
497 SOC_SINGLE("Out2 Right Invert Switch", WM8350_ROUT2_VOLUME, 10, 1, 0),
498 SOC_SINGLE_TLV("Out2 Beep Volume", WM8350_BEEP_VOLUME,
499 5, 7, 0, out_mix_tlv),
500
501 SOC_DOUBLE_R("Out1 Playback Switch",
502 WM8350_LOUT1_VOLUME,
503 WM8350_ROUT1_VOLUME,
504 14, 1, 1),
505 SOC_DOUBLE_R("Out2 Playback Switch",
506 WM8350_LOUT2_VOLUME,
507 WM8350_ROUT2_VOLUME,
508 14, 1, 1),
509 };
510
511 /*
512 * DAPM Controls
513 */
514
515 /* Left Playback Mixer */
516 static const struct snd_kcontrol_new wm8350_left_play_mixer_controls[] = {
517 SOC_DAPM_SINGLE("Playback Switch",
518 WM8350_LEFT_MIXER_CONTROL, 11, 1, 0),
519 SOC_DAPM_SINGLE("Left Bypass Switch",
520 WM8350_LEFT_MIXER_CONTROL, 2, 1, 0),
521 SOC_DAPM_SINGLE("Right Playback Switch",
522 WM8350_LEFT_MIXER_CONTROL, 12, 1, 0),
523 SOC_DAPM_SINGLE("Left Sidetone Switch",
524 WM8350_LEFT_MIXER_CONTROL, 0, 1, 0),
525 SOC_DAPM_SINGLE("Right Sidetone Switch",
526 WM8350_LEFT_MIXER_CONTROL, 1, 1, 0),
527 };
528
529 /* Right Playback Mixer */
530 static const struct snd_kcontrol_new wm8350_right_play_mixer_controls[] = {
531 SOC_DAPM_SINGLE("Playback Switch",
532 WM8350_RIGHT_MIXER_CONTROL, 12, 1, 0),
533 SOC_DAPM_SINGLE("Right Bypass Switch",
534 WM8350_RIGHT_MIXER_CONTROL, 3, 1, 0),
535 SOC_DAPM_SINGLE("Left Playback Switch",
536 WM8350_RIGHT_MIXER_CONTROL, 11, 1, 0),
537 SOC_DAPM_SINGLE("Left Sidetone Switch",
538 WM8350_RIGHT_MIXER_CONTROL, 0, 1, 0),
539 SOC_DAPM_SINGLE("Right Sidetone Switch",
540 WM8350_RIGHT_MIXER_CONTROL, 1, 1, 0),
541 };
542
543 /* Out4 Mixer */
544 static const struct snd_kcontrol_new wm8350_out4_mixer_controls[] = {
545 SOC_DAPM_SINGLE("Right Playback Switch",
546 WM8350_OUT4_MIXER_CONTROL, 12, 1, 0),
547 SOC_DAPM_SINGLE("Left Playback Switch",
548 WM8350_OUT4_MIXER_CONTROL, 11, 1, 0),
549 SOC_DAPM_SINGLE("Right Capture Switch",
550 WM8350_OUT4_MIXER_CONTROL, 9, 1, 0),
551 SOC_DAPM_SINGLE("Out3 Playback Switch",
552 WM8350_OUT4_MIXER_CONTROL, 2, 1, 0),
553 SOC_DAPM_SINGLE("Right Mixer Switch",
554 WM8350_OUT4_MIXER_CONTROL, 1, 1, 0),
555 SOC_DAPM_SINGLE("Left Mixer Switch",
556 WM8350_OUT4_MIXER_CONTROL, 0, 1, 0),
557 };
558
559 /* Out3 Mixer */
560 static const struct snd_kcontrol_new wm8350_out3_mixer_controls[] = {
561 SOC_DAPM_SINGLE("Left Playback Switch",
562 WM8350_OUT3_MIXER_CONTROL, 11, 1, 0),
563 SOC_DAPM_SINGLE("Left Capture Switch",
564 WM8350_OUT3_MIXER_CONTROL, 8, 1, 0),
565 SOC_DAPM_SINGLE("Out4 Playback Switch",
566 WM8350_OUT3_MIXER_CONTROL, 3, 1, 0),
567 SOC_DAPM_SINGLE("Left Mixer Switch",
568 WM8350_OUT3_MIXER_CONTROL, 0, 1, 0),
569 };
570
571 /* Left Input Mixer */
572 static const struct snd_kcontrol_new wm8350_left_capt_mixer_controls[] = {
573 SOC_DAPM_SINGLE_TLV("L2 Capture Volume",
574 WM8350_INPUT_MIXER_VOLUME_L, 1, 7, 0, out_mix_tlv),
575 SOC_DAPM_SINGLE_TLV("L3 Capture Volume",
576 WM8350_INPUT_MIXER_VOLUME_L, 9, 7, 0, out_mix_tlv),
577 SOC_DAPM_SINGLE("PGA Capture Switch",
578 WM8350_LEFT_INPUT_VOLUME, 14, 1, 1),
579 };
580
581 /* Right Input Mixer */
582 static const struct snd_kcontrol_new wm8350_right_capt_mixer_controls[] = {
583 SOC_DAPM_SINGLE_TLV("L2 Capture Volume",
584 WM8350_INPUT_MIXER_VOLUME_R, 5, 7, 0, out_mix_tlv),
585 SOC_DAPM_SINGLE_TLV("L3 Capture Volume",
586 WM8350_INPUT_MIXER_VOLUME_R, 13, 7, 0, out_mix_tlv),
587 SOC_DAPM_SINGLE("PGA Capture Switch",
588 WM8350_RIGHT_INPUT_VOLUME, 14, 1, 1),
589 };
590
591 /* Left Mic Mixer */
592 static const struct snd_kcontrol_new wm8350_left_mic_mixer_controls[] = {
593 SOC_DAPM_SINGLE("INN Capture Switch", WM8350_INPUT_CONTROL, 1, 1, 0),
594 SOC_DAPM_SINGLE("INP Capture Switch", WM8350_INPUT_CONTROL, 0, 1, 0),
595 SOC_DAPM_SINGLE("IN2 Capture Switch", WM8350_INPUT_CONTROL, 2, 1, 0),
596 };
597
598 /* Right Mic Mixer */
599 static const struct snd_kcontrol_new wm8350_right_mic_mixer_controls[] = {
600 SOC_DAPM_SINGLE("INN Capture Switch", WM8350_INPUT_CONTROL, 9, 1, 0),
601 SOC_DAPM_SINGLE("INP Capture Switch", WM8350_INPUT_CONTROL, 8, 1, 0),
602 SOC_DAPM_SINGLE("IN2 Capture Switch", WM8350_INPUT_CONTROL, 10, 1, 0),
603 };
604
605 /* Beep Switch */
606 static const struct snd_kcontrol_new wm8350_beep_switch_controls =
607 SOC_DAPM_SINGLE("Switch", WM8350_BEEP_VOLUME, 15, 1, 1);
608
609 /* Out4 Capture Mux */
610 static const struct snd_kcontrol_new wm8350_out4_capture_controls =
611 SOC_DAPM_ENUM("Route", wm8350_enum[7]);
612
613 static const struct snd_soc_dapm_widget wm8350_dapm_widgets[] = {
614
615 SND_SOC_DAPM_PGA("IN3R PGA", WM8350_POWER_MGMT_2, 11, 0, NULL, 0),
616 SND_SOC_DAPM_PGA("IN3L PGA", WM8350_POWER_MGMT_2, 10, 0, NULL, 0),
617 SND_SOC_DAPM_PGA_E("Right Out2 PGA", WM8350_POWER_MGMT_3, 3, 0, NULL,
618 0, pga_event,
619 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
620 SND_SOC_DAPM_PGA_E("Left Out2 PGA", WM8350_POWER_MGMT_3, 2, 0, NULL, 0,
621 pga_event,
622 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
623 SND_SOC_DAPM_PGA_E("Right Out1 PGA", WM8350_POWER_MGMT_3, 1, 0, NULL,
624 0, pga_event,
625 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
626 SND_SOC_DAPM_PGA_E("Left Out1 PGA", WM8350_POWER_MGMT_3, 0, 0, NULL, 0,
627 pga_event,
628 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
629
630 SND_SOC_DAPM_MIXER("Right Capture Mixer", WM8350_POWER_MGMT_2,
631 7, 0, &wm8350_right_capt_mixer_controls[0],
632 ARRAY_SIZE(wm8350_right_capt_mixer_controls)),
633
634 SND_SOC_DAPM_MIXER("Left Capture Mixer", WM8350_POWER_MGMT_2,
635 6, 0, &wm8350_left_capt_mixer_controls[0],
636 ARRAY_SIZE(wm8350_left_capt_mixer_controls)),
637
638 SND_SOC_DAPM_MIXER("Out4 Mixer", WM8350_POWER_MGMT_2, 5, 0,
639 &wm8350_out4_mixer_controls[0],
640 ARRAY_SIZE(wm8350_out4_mixer_controls)),
641
642 SND_SOC_DAPM_MIXER("Out3 Mixer", WM8350_POWER_MGMT_2, 4, 0,
643 &wm8350_out3_mixer_controls[0],
644 ARRAY_SIZE(wm8350_out3_mixer_controls)),
645
646 SND_SOC_DAPM_MIXER("Right Playback Mixer", WM8350_POWER_MGMT_2, 1, 0,
647 &wm8350_right_play_mixer_controls[0],
648 ARRAY_SIZE(wm8350_right_play_mixer_controls)),
649
650 SND_SOC_DAPM_MIXER("Left Playback Mixer", WM8350_POWER_MGMT_2, 0, 0,
651 &wm8350_left_play_mixer_controls[0],
652 ARRAY_SIZE(wm8350_left_play_mixer_controls)),
653
654 SND_SOC_DAPM_MIXER("Left Mic Mixer", WM8350_POWER_MGMT_2, 8, 0,
655 &wm8350_left_mic_mixer_controls[0],
656 ARRAY_SIZE(wm8350_left_mic_mixer_controls)),
657
658 SND_SOC_DAPM_MIXER("Right Mic Mixer", WM8350_POWER_MGMT_2, 9, 0,
659 &wm8350_right_mic_mixer_controls[0],
660 ARRAY_SIZE(wm8350_right_mic_mixer_controls)),
661
662 /* virtual mixer for Beep and Out2R */
663 SND_SOC_DAPM_MIXER("Out2 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
664
665 SND_SOC_DAPM_SWITCH("Beep", WM8350_POWER_MGMT_3, 7, 0,
666 &wm8350_beep_switch_controls),
667
668 SND_SOC_DAPM_ADC("Right ADC", "Right Capture",
669 WM8350_POWER_MGMT_4, 3, 0),
670 SND_SOC_DAPM_ADC("Left ADC", "Left Capture",
671 WM8350_POWER_MGMT_4, 2, 0),
672 SND_SOC_DAPM_DAC("Right DAC", "Right Playback",
673 WM8350_POWER_MGMT_4, 5, 0),
674 SND_SOC_DAPM_DAC("Left DAC", "Left Playback",
675 WM8350_POWER_MGMT_4, 4, 0),
676
677 SND_SOC_DAPM_MICBIAS("Mic Bias", WM8350_POWER_MGMT_1, 4, 0),
678
679 SND_SOC_DAPM_MUX("Out4 Capture Channel", SND_SOC_NOPM, 0, 0,
680 &wm8350_out4_capture_controls),
681
682 SND_SOC_DAPM_OUTPUT("OUT1R"),
683 SND_SOC_DAPM_OUTPUT("OUT1L"),
684 SND_SOC_DAPM_OUTPUT("OUT2R"),
685 SND_SOC_DAPM_OUTPUT("OUT2L"),
686 SND_SOC_DAPM_OUTPUT("OUT3"),
687 SND_SOC_DAPM_OUTPUT("OUT4"),
688
689 SND_SOC_DAPM_INPUT("IN1RN"),
690 SND_SOC_DAPM_INPUT("IN1RP"),
691 SND_SOC_DAPM_INPUT("IN2R"),
692 SND_SOC_DAPM_INPUT("IN1LP"),
693 SND_SOC_DAPM_INPUT("IN1LN"),
694 SND_SOC_DAPM_INPUT("IN2L"),
695 SND_SOC_DAPM_INPUT("IN3R"),
696 SND_SOC_DAPM_INPUT("IN3L"),
697 };
698
699 static const struct snd_soc_dapm_route wm8350_dapm_routes[] = {
700
701 /* left playback mixer */
702 {"Left Playback Mixer", "Playback Switch", "Left DAC"},
703 {"Left Playback Mixer", "Left Bypass Switch", "IN3L PGA"},
704 {"Left Playback Mixer", "Right Playback Switch", "Right DAC"},
705 {"Left Playback Mixer", "Left Sidetone Switch", "Left Mic Mixer"},
706 {"Left Playback Mixer", "Right Sidetone Switch", "Right Mic Mixer"},
707
708 /* right playback mixer */
709 {"Right Playback Mixer", "Playback Switch", "Right DAC"},
710 {"Right Playback Mixer", "Right Bypass Switch", "IN3R PGA"},
711 {"Right Playback Mixer", "Left Playback Switch", "Left DAC"},
712 {"Right Playback Mixer", "Left Sidetone Switch", "Left Mic Mixer"},
713 {"Right Playback Mixer", "Right Sidetone Switch", "Right Mic Mixer"},
714
715 /* out4 playback mixer */
716 {"Out4 Mixer", "Right Playback Switch", "Right DAC"},
717 {"Out4 Mixer", "Left Playback Switch", "Left DAC"},
718 {"Out4 Mixer", "Right Capture Switch", "Right Capture Mixer"},
719 {"Out4 Mixer", "Out3 Playback Switch", "Out3 Mixer"},
720 {"Out4 Mixer", "Right Mixer Switch", "Right Playback Mixer"},
721 {"Out4 Mixer", "Left Mixer Switch", "Left Playback Mixer"},
722 {"OUT4", NULL, "Out4 Mixer"},
723
724 /* out3 playback mixer */
725 {"Out3 Mixer", "Left Playback Switch", "Left DAC"},
726 {"Out3 Mixer", "Left Capture Switch", "Left Capture Mixer"},
727 {"Out3 Mixer", "Left Mixer Switch", "Left Playback Mixer"},
728 {"Out3 Mixer", "Out4 Playback Switch", "Out4 Mixer"},
729 {"OUT3", NULL, "Out3 Mixer"},
730
731 /* out2 */
732 {"Right Out2 PGA", NULL, "Right Playback Mixer"},
733 {"Left Out2 PGA", NULL, "Left Playback Mixer"},
734 {"OUT2L", NULL, "Left Out2 PGA"},
735 {"OUT2R", NULL, "Right Out2 PGA"},
736
737 /* out1 */
738 {"Right Out1 PGA", NULL, "Right Playback Mixer"},
739 {"Left Out1 PGA", NULL, "Left Playback Mixer"},
740 {"OUT1L", NULL, "Left Out1 PGA"},
741 {"OUT1R", NULL, "Right Out1 PGA"},
742
743 /* ADCs */
744 {"Left ADC", NULL, "Left Capture Mixer"},
745 {"Right ADC", NULL, "Right Capture Mixer"},
746
747 /* Left capture mixer */
748 {"Left Capture Mixer", "L2 Capture Volume", "IN2L"},
749 {"Left Capture Mixer", "L3 Capture Volume", "IN3L PGA"},
750 {"Left Capture Mixer", "PGA Capture Switch", "Left Mic Mixer"},
751 {"Left Capture Mixer", NULL, "Out4 Capture Channel"},
752
753 /* Right capture mixer */
754 {"Right Capture Mixer", "L2 Capture Volume", "IN2R"},
755 {"Right Capture Mixer", "L3 Capture Volume", "IN3R PGA"},
756 {"Right Capture Mixer", "PGA Capture Switch", "Right Mic Mixer"},
757 {"Right Capture Mixer", NULL, "Out4 Capture Channel"},
758
759 /* L3 Inputs */
760 {"IN3L PGA", NULL, "IN3L"},
761 {"IN3R PGA", NULL, "IN3R"},
762
763 /* Left Mic mixer */
764 {"Left Mic Mixer", "INN Capture Switch", "IN1LN"},
765 {"Left Mic Mixer", "INP Capture Switch", "IN1LP"},
766 {"Left Mic Mixer", "IN2 Capture Switch", "IN2L"},
767
768 /* Right Mic mixer */
769 {"Right Mic Mixer", "INN Capture Switch", "IN1RN"},
770 {"Right Mic Mixer", "INP Capture Switch", "IN1RP"},
771 {"Right Mic Mixer", "IN2 Capture Switch", "IN2R"},
772
773 /* out 4 capture */
774 {"Out4 Capture Channel", NULL, "Out4 Mixer"},
775
776 /* Beep */
777 {"Beep", NULL, "IN3R PGA"},
778 };
779
780 static int wm8350_set_dai_sysclk(struct snd_soc_dai *codec_dai,
781 int clk_id, unsigned int freq, int dir)
782 {
783 struct snd_soc_codec *codec = codec_dai->codec;
784 struct wm8350 *wm8350 = codec->control_data;
785 u16 fll_4;
786
787 switch (clk_id) {
788 case WM8350_MCLK_SEL_MCLK:
789 wm8350_clear_bits(wm8350, WM8350_CLOCK_CONTROL_1,
790 WM8350_MCLK_SEL);
791 break;
792 case WM8350_MCLK_SEL_PLL_MCLK:
793 case WM8350_MCLK_SEL_PLL_DAC:
794 case WM8350_MCLK_SEL_PLL_ADC:
795 case WM8350_MCLK_SEL_PLL_32K:
796 wm8350_set_bits(wm8350, WM8350_CLOCK_CONTROL_1,
797 WM8350_MCLK_SEL);
798 fll_4 = wm8350_codec_read(codec, WM8350_FLL_CONTROL_4) &
799 ~WM8350_FLL_CLK_SRC_MASK;
800 wm8350_codec_write(codec, WM8350_FLL_CONTROL_4, fll_4 | clk_id);
801 break;
802 }
803
804 /* MCLK direction */
805 if (dir == SND_SOC_CLOCK_OUT)
806 wm8350_set_bits(wm8350, WM8350_CLOCK_CONTROL_2,
807 WM8350_MCLK_DIR);
808 else
809 wm8350_clear_bits(wm8350, WM8350_CLOCK_CONTROL_2,
810 WM8350_MCLK_DIR);
811
812 return 0;
813 }
814
815 static int wm8350_set_clkdiv(struct snd_soc_dai *codec_dai, int div_id, int div)
816 {
817 struct snd_soc_codec *codec = codec_dai->codec;
818 u16 val;
819
820 switch (div_id) {
821 case WM8350_ADC_CLKDIV:
822 val = wm8350_codec_read(codec, WM8350_ADC_DIVIDER) &
823 ~WM8350_ADC_CLKDIV_MASK;
824 wm8350_codec_write(codec, WM8350_ADC_DIVIDER, val | div);
825 break;
826 case WM8350_DAC_CLKDIV:
827 val = wm8350_codec_read(codec, WM8350_DAC_CLOCK_CONTROL) &
828 ~WM8350_DAC_CLKDIV_MASK;
829 wm8350_codec_write(codec, WM8350_DAC_CLOCK_CONTROL, val | div);
830 break;
831 case WM8350_BCLK_CLKDIV:
832 val = wm8350_codec_read(codec, WM8350_CLOCK_CONTROL_1) &
833 ~WM8350_BCLK_DIV_MASK;
834 wm8350_codec_write(codec, WM8350_CLOCK_CONTROL_1, val | div);
835 break;
836 case WM8350_OPCLK_CLKDIV:
837 val = wm8350_codec_read(codec, WM8350_CLOCK_CONTROL_1) &
838 ~WM8350_OPCLK_DIV_MASK;
839 wm8350_codec_write(codec, WM8350_CLOCK_CONTROL_1, val | div);
840 break;
841 case WM8350_SYS_CLKDIV:
842 val = wm8350_codec_read(codec, WM8350_CLOCK_CONTROL_1) &
843 ~WM8350_MCLK_DIV_MASK;
844 wm8350_codec_write(codec, WM8350_CLOCK_CONTROL_1, val | div);
845 break;
846 case WM8350_DACLR_CLKDIV:
847 val = wm8350_codec_read(codec, WM8350_DAC_LR_RATE) &
848 ~WM8350_DACLRC_RATE_MASK;
849 wm8350_codec_write(codec, WM8350_DAC_LR_RATE, val | div);
850 break;
851 case WM8350_ADCLR_CLKDIV:
852 val = wm8350_codec_read(codec, WM8350_ADC_LR_RATE) &
853 ~WM8350_ADCLRC_RATE_MASK;
854 wm8350_codec_write(codec, WM8350_ADC_LR_RATE, val | div);
855 break;
856 default:
857 return -EINVAL;
858 }
859
860 return 0;
861 }
862
863 static int wm8350_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
864 {
865 struct snd_soc_codec *codec = codec_dai->codec;
866 u16 iface = wm8350_codec_read(codec, WM8350_AI_FORMATING) &
867 ~(WM8350_AIF_BCLK_INV | WM8350_AIF_LRCLK_INV | WM8350_AIF_FMT_MASK);
868 u16 master = wm8350_codec_read(codec, WM8350_AI_DAC_CONTROL) &
869 ~WM8350_BCLK_MSTR;
870 u16 dac_lrc = wm8350_codec_read(codec, WM8350_DAC_LR_RATE) &
871 ~WM8350_DACLRC_ENA;
872 u16 adc_lrc = wm8350_codec_read(codec, WM8350_ADC_LR_RATE) &
873 ~WM8350_ADCLRC_ENA;
874
875 /* set master/slave audio interface */
876 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
877 case SND_SOC_DAIFMT_CBM_CFM:
878 master |= WM8350_BCLK_MSTR;
879 dac_lrc |= WM8350_DACLRC_ENA;
880 adc_lrc |= WM8350_ADCLRC_ENA;
881 break;
882 case SND_SOC_DAIFMT_CBS_CFS:
883 break;
884 default:
885 return -EINVAL;
886 }
887
888 /* interface format */
889 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
890 case SND_SOC_DAIFMT_I2S:
891 iface |= 0x2 << 8;
892 break;
893 case SND_SOC_DAIFMT_RIGHT_J:
894 break;
895 case SND_SOC_DAIFMT_LEFT_J:
896 iface |= 0x1 << 8;
897 break;
898 case SND_SOC_DAIFMT_DSP_A:
899 iface |= 0x3 << 8;
900 break;
901 case SND_SOC_DAIFMT_DSP_B:
902 iface |= 0x3 << 8 | WM8350_AIF_LRCLK_INV;
903 break;
904 default:
905 return -EINVAL;
906 }
907
908 /* clock inversion */
909 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
910 case SND_SOC_DAIFMT_NB_NF:
911 break;
912 case SND_SOC_DAIFMT_IB_IF:
913 iface |= WM8350_AIF_LRCLK_INV | WM8350_AIF_BCLK_INV;
914 break;
915 case SND_SOC_DAIFMT_IB_NF:
916 iface |= WM8350_AIF_BCLK_INV;
917 break;
918 case SND_SOC_DAIFMT_NB_IF:
919 iface |= WM8350_AIF_LRCLK_INV;
920 break;
921 default:
922 return -EINVAL;
923 }
924
925 wm8350_codec_write(codec, WM8350_AI_FORMATING, iface);
926 wm8350_codec_write(codec, WM8350_AI_DAC_CONTROL, master);
927 wm8350_codec_write(codec, WM8350_DAC_LR_RATE, dac_lrc);
928 wm8350_codec_write(codec, WM8350_ADC_LR_RATE, adc_lrc);
929 return 0;
930 }
931
932 static int wm8350_pcm_trigger(struct snd_pcm_substream *substream,
933 int cmd, struct snd_soc_dai *codec_dai)
934 {
935 struct snd_soc_codec *codec = codec_dai->codec;
936 int master = wm8350_codec_cache_read(codec, WM8350_AI_DAC_CONTROL) &
937 WM8350_BCLK_MSTR;
938 int enabled = 0;
939
940 /* Check that the DACs or ADCs are enabled since they are
941 * required for LRC in master mode. The DACs or ADCs need a
942 * valid audio path i.e. pin -> ADC or DAC -> pin before
943 * the LRC will be enabled in master mode. */
944 if (!master || cmd != SNDRV_PCM_TRIGGER_START)
945 return 0;
946
947 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
948 enabled = wm8350_codec_cache_read(codec, WM8350_POWER_MGMT_4) &
949 (WM8350_ADCR_ENA | WM8350_ADCL_ENA);
950 } else {
951 enabled = wm8350_codec_cache_read(codec, WM8350_POWER_MGMT_4) &
952 (WM8350_DACR_ENA | WM8350_DACL_ENA);
953 }
954
955 if (!enabled) {
956 dev_err(codec->dev,
957 "%s: invalid audio path - no clocks available\n",
958 __func__);
959 return -EINVAL;
960 }
961 return 0;
962 }
963
964 static int wm8350_pcm_hw_params(struct snd_pcm_substream *substream,
965 struct snd_pcm_hw_params *params,
966 struct snd_soc_dai *codec_dai)
967 {
968 struct snd_soc_codec *codec = codec_dai->codec;
969 struct wm8350 *wm8350 = codec->control_data;
970 u16 iface = wm8350_codec_read(codec, WM8350_AI_FORMATING) &
971 ~WM8350_AIF_WL_MASK;
972
973 /* bit size */
974 switch (params_format(params)) {
975 case SNDRV_PCM_FORMAT_S16_LE:
976 break;
977 case SNDRV_PCM_FORMAT_S20_3LE:
978 iface |= 0x1 << 10;
979 break;
980 case SNDRV_PCM_FORMAT_S24_LE:
981 iface |= 0x2 << 10;
982 break;
983 case SNDRV_PCM_FORMAT_S32_LE:
984 iface |= 0x3 << 10;
985 break;
986 }
987
988 wm8350_codec_write(codec, WM8350_AI_FORMATING, iface);
989
990 /* The sloping stopband filter is recommended for use with
991 * lower sample rates to improve performance.
992 */
993 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
994 if (params_rate(params) < 24000)
995 wm8350_set_bits(wm8350, WM8350_DAC_MUTE_VOLUME,
996 WM8350_DAC_SB_FILT);
997 else
998 wm8350_clear_bits(wm8350, WM8350_DAC_MUTE_VOLUME,
999 WM8350_DAC_SB_FILT);
1000 }
1001
1002 return 0;
1003 }
1004
1005 static int wm8350_mute(struct snd_soc_dai *dai, int mute)
1006 {
1007 struct snd_soc_codec *codec = dai->codec;
1008 struct wm8350 *wm8350 = codec->control_data;
1009
1010 if (mute)
1011 wm8350_set_bits(wm8350, WM8350_DAC_MUTE, WM8350_DAC_MUTE_ENA);
1012 else
1013 wm8350_clear_bits(wm8350, WM8350_DAC_MUTE, WM8350_DAC_MUTE_ENA);
1014 return 0;
1015 }
1016
1017 /* FLL divisors */
1018 struct _fll_div {
1019 int div; /* FLL_OUTDIV */
1020 int n;
1021 int k;
1022 int ratio; /* FLL_FRATIO */
1023 };
1024
1025 /* The size in bits of the fll divide multiplied by 10
1026 * to allow rounding later */
1027 #define FIXED_FLL_SIZE ((1 << 16) * 10)
1028
1029 static inline int fll_factors(struct _fll_div *fll_div, unsigned int input,
1030 unsigned int output)
1031 {
1032 u64 Kpart;
1033 unsigned int t1, t2, K, Nmod;
1034
1035 if (output >= 2815250 && output <= 3125000)
1036 fll_div->div = 0x4;
1037 else if (output >= 5625000 && output <= 6250000)
1038 fll_div->div = 0x3;
1039 else if (output >= 11250000 && output <= 12500000)
1040 fll_div->div = 0x2;
1041 else if (output >= 22500000 && output <= 25000000)
1042 fll_div->div = 0x1;
1043 else {
1044 printk(KERN_ERR "wm8350: fll freq %d out of range\n", output);
1045 return -EINVAL;
1046 }
1047
1048 if (input > 48000)
1049 fll_div->ratio = 1;
1050 else
1051 fll_div->ratio = 8;
1052
1053 t1 = output * (1 << (fll_div->div + 1));
1054 t2 = input * fll_div->ratio;
1055
1056 fll_div->n = t1 / t2;
1057 Nmod = t1 % t2;
1058
1059 if (Nmod) {
1060 Kpart = FIXED_FLL_SIZE * (long long)Nmod;
1061 do_div(Kpart, t2);
1062 K = Kpart & 0xFFFFFFFF;
1063
1064 /* Check if we need to round */
1065 if ((K % 10) >= 5)
1066 K += 5;
1067
1068 /* Move down to proper range now rounding is done */
1069 K /= 10;
1070 fll_div->k = K;
1071 } else
1072 fll_div->k = 0;
1073
1074 return 0;
1075 }
1076
1077 static int wm8350_set_fll(struct snd_soc_dai *codec_dai,
1078 int pll_id, int source, unsigned int freq_in,
1079 unsigned int freq_out)
1080 {
1081 struct snd_soc_codec *codec = codec_dai->codec;
1082 struct wm8350 *wm8350 = codec->control_data;
1083 struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1084 struct _fll_div fll_div;
1085 int ret = 0;
1086 u16 fll_1, fll_4;
1087
1088 if (freq_in == priv->fll_freq_in && freq_out == priv->fll_freq_out)
1089 return 0;
1090
1091 /* power down FLL - we need to do this for reconfiguration */
1092 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4,
1093 WM8350_FLL_ENA | WM8350_FLL_OSC_ENA);
1094
1095 if (freq_out == 0 || freq_in == 0)
1096 return ret;
1097
1098 ret = fll_factors(&fll_div, freq_in, freq_out);
1099 if (ret < 0)
1100 return ret;
1101 dev_dbg(wm8350->dev,
1102 "FLL in %u FLL out %u N 0x%x K 0x%x div %d ratio %d",
1103 freq_in, freq_out, fll_div.n, fll_div.k, fll_div.div,
1104 fll_div.ratio);
1105
1106 /* set up N.K & dividers */
1107 fll_1 = wm8350_codec_read(codec, WM8350_FLL_CONTROL_1) &
1108 ~(WM8350_FLL_OUTDIV_MASK | WM8350_FLL_RSP_RATE_MASK | 0xc000);
1109 wm8350_codec_write(codec, WM8350_FLL_CONTROL_1,
1110 fll_1 | (fll_div.div << 8) | 0x50);
1111 wm8350_codec_write(codec, WM8350_FLL_CONTROL_2,
1112 (fll_div.ratio << 11) | (fll_div.
1113 n & WM8350_FLL_N_MASK));
1114 wm8350_codec_write(codec, WM8350_FLL_CONTROL_3, fll_div.k);
1115 fll_4 = wm8350_codec_read(codec, WM8350_FLL_CONTROL_4) &
1116 ~(WM8350_FLL_FRAC | WM8350_FLL_SLOW_LOCK_REF);
1117 wm8350_codec_write(codec, WM8350_FLL_CONTROL_4,
1118 fll_4 | (fll_div.k ? WM8350_FLL_FRAC : 0) |
1119 (fll_div.ratio == 8 ? WM8350_FLL_SLOW_LOCK_REF : 0));
1120
1121 /* power FLL on */
1122 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_FLL_OSC_ENA);
1123 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_FLL_ENA);
1124
1125 priv->fll_freq_out = freq_out;
1126 priv->fll_freq_in = freq_in;
1127
1128 return 0;
1129 }
1130
1131 static int wm8350_set_bias_level(struct snd_soc_codec *codec,
1132 enum snd_soc_bias_level level)
1133 {
1134 struct wm8350 *wm8350 = codec->control_data;
1135 struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1136 struct wm8350_audio_platform_data *platform =
1137 wm8350->codec.platform_data;
1138 u16 pm1;
1139 int ret;
1140
1141 switch (level) {
1142 case SND_SOC_BIAS_ON:
1143 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1144 ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK);
1145 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1146 pm1 | WM8350_VMID_50K |
1147 platform->codec_current_on << 14);
1148 break;
1149
1150 case SND_SOC_BIAS_PREPARE:
1151 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1);
1152 pm1 &= ~WM8350_VMID_MASK;
1153 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1154 pm1 | WM8350_VMID_50K);
1155 break;
1156
1157 case SND_SOC_BIAS_STANDBY:
1158 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1159 ret = regulator_bulk_enable(ARRAY_SIZE(priv->supplies),
1160 priv->supplies);
1161 if (ret != 0)
1162 return ret;
1163
1164 /* Enable the system clock */
1165 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4,
1166 WM8350_SYSCLK_ENA);
1167
1168 /* mute DAC & outputs */
1169 wm8350_set_bits(wm8350, WM8350_DAC_MUTE,
1170 WM8350_DAC_MUTE_ENA);
1171
1172 /* discharge cap memory */
1173 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1174 platform->dis_out1 |
1175 (platform->dis_out2 << 2) |
1176 (platform->dis_out3 << 4) |
1177 (platform->dis_out4 << 6));
1178
1179 /* wait for discharge */
1180 schedule_timeout_interruptible(msecs_to_jiffies
1181 (platform->
1182 cap_discharge_msecs));
1183
1184 /* enable antipop */
1185 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1186 (platform->vmid_s_curve << 8));
1187
1188 /* ramp up vmid */
1189 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1190 (platform->
1191 codec_current_charge << 14) |
1192 WM8350_VMID_5K | WM8350_VMIDEN |
1193 WM8350_VBUFEN);
1194
1195 /* wait for vmid */
1196 schedule_timeout_interruptible(msecs_to_jiffies
1197 (platform->
1198 vmid_charge_msecs));
1199
1200 /* turn on vmid 300k */
1201 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1202 ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK);
1203 pm1 |= WM8350_VMID_300K |
1204 (platform->codec_current_standby << 14);
1205 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1206 pm1);
1207
1208
1209 /* enable analogue bias */
1210 pm1 |= WM8350_BIASEN;
1211 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1);
1212
1213 /* disable antipop */
1214 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 0);
1215
1216 } else {
1217 /* turn on vmid 300k and reduce current */
1218 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1219 ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK);
1220 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1221 pm1 | WM8350_VMID_300K |
1222 (platform->
1223 codec_current_standby << 14));
1224
1225 }
1226 break;
1227
1228 case SND_SOC_BIAS_OFF:
1229
1230 /* mute DAC & enable outputs */
1231 wm8350_set_bits(wm8350, WM8350_DAC_MUTE, WM8350_DAC_MUTE_ENA);
1232
1233 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_3,
1234 WM8350_OUT1L_ENA | WM8350_OUT1R_ENA |
1235 WM8350_OUT2L_ENA | WM8350_OUT2R_ENA);
1236
1237 /* enable anti pop S curve */
1238 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1239 (platform->vmid_s_curve << 8));
1240
1241 /* turn off vmid */
1242 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1243 ~WM8350_VMIDEN;
1244 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1);
1245
1246 /* wait */
1247 schedule_timeout_interruptible(msecs_to_jiffies
1248 (platform->
1249 vmid_discharge_msecs));
1250
1251 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1252 (platform->vmid_s_curve << 8) |
1253 platform->dis_out1 |
1254 (platform->dis_out2 << 2) |
1255 (platform->dis_out3 << 4) |
1256 (platform->dis_out4 << 6));
1257
1258 /* turn off VBuf and drain */
1259 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1260 ~(WM8350_VBUFEN | WM8350_VMID_MASK);
1261 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1262 pm1 | WM8350_OUTPUT_DRAIN_EN);
1263
1264 /* wait */
1265 schedule_timeout_interruptible(msecs_to_jiffies
1266 (platform->drain_msecs));
1267
1268 pm1 &= ~WM8350_BIASEN;
1269 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1);
1270
1271 /* disable anti-pop */
1272 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 0);
1273
1274 wm8350_clear_bits(wm8350, WM8350_LOUT1_VOLUME,
1275 WM8350_OUT1L_ENA);
1276 wm8350_clear_bits(wm8350, WM8350_ROUT1_VOLUME,
1277 WM8350_OUT1R_ENA);
1278 wm8350_clear_bits(wm8350, WM8350_LOUT2_VOLUME,
1279 WM8350_OUT2L_ENA);
1280 wm8350_clear_bits(wm8350, WM8350_ROUT2_VOLUME,
1281 WM8350_OUT2R_ENA);
1282
1283 /* disable clock gen */
1284 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4,
1285 WM8350_SYSCLK_ENA);
1286
1287 regulator_bulk_disable(ARRAY_SIZE(priv->supplies),
1288 priv->supplies);
1289 break;
1290 }
1291 codec->dapm.bias_level = level;
1292 return 0;
1293 }
1294
1295 static int wm8350_suspend(struct snd_soc_codec *codec)
1296 {
1297 wm8350_set_bias_level(codec, SND_SOC_BIAS_OFF);
1298 return 0;
1299 }
1300
1301 static int wm8350_resume(struct snd_soc_codec *codec)
1302 {
1303 wm8350_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1304
1305 return 0;
1306 }
1307
1308 static void wm8350_hp_work(struct wm8350_data *priv,
1309 struct wm8350_jack_data *jack,
1310 u16 mask)
1311 {
1312 struct wm8350 *wm8350 = priv->codec.control_data;
1313 u16 reg;
1314 int report;
1315
1316 reg = wm8350_reg_read(wm8350, WM8350_JACK_PIN_STATUS);
1317 if (reg & mask)
1318 report = jack->report;
1319 else
1320 report = 0;
1321
1322 snd_soc_jack_report(jack->jack, report, jack->report);
1323
1324 }
1325
1326 static void wm8350_hpl_work(struct work_struct *work)
1327 {
1328 struct wm8350_data *priv =
1329 container_of(work, struct wm8350_data, hpl.work.work);
1330
1331 wm8350_hp_work(priv, &priv->hpl, WM8350_JACK_L_LVL);
1332 }
1333
1334 static void wm8350_hpr_work(struct work_struct *work)
1335 {
1336 struct wm8350_data *priv =
1337 container_of(work, struct wm8350_data, hpr.work.work);
1338
1339 wm8350_hp_work(priv, &priv->hpr, WM8350_JACK_R_LVL);
1340 }
1341
1342 static irqreturn_t wm8350_hp_jack_handler(int irq, void *data)
1343 {
1344 struct wm8350_data *priv = data;
1345 struct wm8350 *wm8350 = priv->codec.control_data;
1346 struct wm8350_jack_data *jack = NULL;
1347
1348 switch (irq - wm8350->irq_base) {
1349 case WM8350_IRQ_CODEC_JCK_DET_L:
1350 #ifndef CONFIG_SND_SOC_WM8350_MODULE
1351 trace_snd_soc_jack_irq("WM8350 HPL");
1352 #endif
1353 jack = &priv->hpl;
1354 break;
1355
1356 case WM8350_IRQ_CODEC_JCK_DET_R:
1357 #ifndef CONFIG_SND_SOC_WM8350_MODULE
1358 trace_snd_soc_jack_irq("WM8350 HPR");
1359 #endif
1360 jack = &priv->hpr;
1361 break;
1362
1363 default:
1364 BUG();
1365 }
1366
1367 if (device_may_wakeup(wm8350->dev))
1368 pm_wakeup_event(wm8350->dev, 250);
1369
1370 schedule_delayed_work(&jack->work, 200);
1371
1372 return IRQ_HANDLED;
1373 }
1374
1375 /**
1376 * wm8350_hp_jack_detect - Enable headphone jack detection.
1377 *
1378 * @codec: WM8350 codec
1379 * @which: left or right jack detect signal
1380 * @jack: jack to report detection events on
1381 * @report: value to report
1382 *
1383 * Enables the headphone jack detection of the WM8350. If no report
1384 * is specified then detection is disabled.
1385 */
1386 int wm8350_hp_jack_detect(struct snd_soc_codec *codec, enum wm8350_jack which,
1387 struct snd_soc_jack *jack, int report)
1388 {
1389 struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1390 struct wm8350 *wm8350 = codec->control_data;
1391 int irq;
1392 int ena;
1393
1394 switch (which) {
1395 case WM8350_JDL:
1396 priv->hpl.jack = jack;
1397 priv->hpl.report = report;
1398 irq = WM8350_IRQ_CODEC_JCK_DET_L;
1399 ena = WM8350_JDL_ENA;
1400 break;
1401
1402 case WM8350_JDR:
1403 priv->hpr.jack = jack;
1404 priv->hpr.report = report;
1405 irq = WM8350_IRQ_CODEC_JCK_DET_R;
1406 ena = WM8350_JDR_ENA;
1407 break;
1408
1409 default:
1410 return -EINVAL;
1411 }
1412
1413 if (report) {
1414 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA);
1415 wm8350_set_bits(wm8350, WM8350_JACK_DETECT, ena);
1416 } else {
1417 wm8350_clear_bits(wm8350, WM8350_JACK_DETECT, ena);
1418 }
1419
1420 /* Sync status */
1421 wm8350_hp_jack_handler(irq + wm8350->irq_base, priv);
1422
1423 return 0;
1424 }
1425 EXPORT_SYMBOL_GPL(wm8350_hp_jack_detect);
1426
1427 static irqreturn_t wm8350_mic_handler(int irq, void *data)
1428 {
1429 struct wm8350_data *priv = data;
1430 struct wm8350 *wm8350 = priv->codec.control_data;
1431 u16 reg;
1432 int report = 0;
1433
1434 #ifndef CONFIG_SND_SOC_WM8350_MODULE
1435 trace_snd_soc_jack_irq("WM8350 mic");
1436 #endif
1437
1438 reg = wm8350_reg_read(wm8350, WM8350_JACK_PIN_STATUS);
1439 if (reg & WM8350_JACK_MICSCD_LVL)
1440 report |= priv->mic.short_report;
1441 if (reg & WM8350_JACK_MICSD_LVL)
1442 report |= priv->mic.report;
1443
1444 snd_soc_jack_report(priv->mic.jack, report,
1445 priv->mic.report | priv->mic.short_report);
1446
1447 return IRQ_HANDLED;
1448 }
1449
1450 /**
1451 * wm8350_mic_jack_detect - Enable microphone jack detection.
1452 *
1453 * @codec: WM8350 codec
1454 * @jack: jack to report detection events on
1455 * @detect_report: value to report when presence detected
1456 * @short_report: value to report when microphone short detected
1457 *
1458 * Enables the microphone jack detection of the WM8350. If both reports
1459 * are specified as zero then detection is disabled.
1460 */
1461 int wm8350_mic_jack_detect(struct snd_soc_codec *codec,
1462 struct snd_soc_jack *jack,
1463 int detect_report, int short_report)
1464 {
1465 struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1466 struct wm8350 *wm8350 = codec->control_data;
1467
1468 priv->mic.jack = jack;
1469 priv->mic.report = detect_report;
1470 priv->mic.short_report = short_report;
1471
1472 if (detect_report || short_report) {
1473 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA);
1474 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_1,
1475 WM8350_MIC_DET_ENA);
1476 } else {
1477 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_1,
1478 WM8350_MIC_DET_ENA);
1479 }
1480
1481 return 0;
1482 }
1483 EXPORT_SYMBOL_GPL(wm8350_mic_jack_detect);
1484
1485 #define WM8350_RATES (SNDRV_PCM_RATE_8000_96000)
1486
1487 #define WM8350_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
1488 SNDRV_PCM_FMTBIT_S20_3LE |\
1489 SNDRV_PCM_FMTBIT_S24_LE)
1490
1491 static const struct snd_soc_dai_ops wm8350_dai_ops = {
1492 .hw_params = wm8350_pcm_hw_params,
1493 .digital_mute = wm8350_mute,
1494 .trigger = wm8350_pcm_trigger,
1495 .set_fmt = wm8350_set_dai_fmt,
1496 .set_sysclk = wm8350_set_dai_sysclk,
1497 .set_pll = wm8350_set_fll,
1498 .set_clkdiv = wm8350_set_clkdiv,
1499 };
1500
1501 static struct snd_soc_dai_driver wm8350_dai = {
1502 .name = "wm8350-hifi",
1503 .playback = {
1504 .stream_name = "Playback",
1505 .channels_min = 1,
1506 .channels_max = 2,
1507 .rates = WM8350_RATES,
1508 .formats = WM8350_FORMATS,
1509 },
1510 .capture = {
1511 .stream_name = "Capture",
1512 .channels_min = 1,
1513 .channels_max = 2,
1514 .rates = WM8350_RATES,
1515 .formats = WM8350_FORMATS,
1516 },
1517 .ops = &wm8350_dai_ops,
1518 };
1519
1520 static int wm8350_codec_probe(struct snd_soc_codec *codec)
1521 {
1522 struct wm8350 *wm8350 = dev_get_platdata(codec->dev);
1523 struct wm8350_data *priv;
1524 struct wm8350_output *out1;
1525 struct wm8350_output *out2;
1526 int ret, i;
1527
1528 if (wm8350->codec.platform_data == NULL) {
1529 dev_err(codec->dev, "No audio platform data supplied\n");
1530 return -EINVAL;
1531 }
1532
1533 priv = devm_kzalloc(codec->dev, sizeof(struct wm8350_data),
1534 GFP_KERNEL);
1535 if (priv == NULL)
1536 return -ENOMEM;
1537 snd_soc_codec_set_drvdata(codec, priv);
1538
1539 for (i = 0; i < ARRAY_SIZE(supply_names); i++)
1540 priv->supplies[i].supply = supply_names[i];
1541
1542 ret = regulator_bulk_get(wm8350->dev, ARRAY_SIZE(priv->supplies),
1543 priv->supplies);
1544 if (ret != 0)
1545 return ret;
1546
1547 wm8350->codec.codec = codec;
1548 codec->control_data = wm8350;
1549
1550 /* Put the codec into reset if it wasn't already */
1551 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA);
1552
1553 INIT_DELAYED_WORK(&codec->dapm.delayed_work, wm8350_pga_work);
1554 INIT_DELAYED_WORK(&priv->hpl.work, wm8350_hpl_work);
1555 INIT_DELAYED_WORK(&priv->hpr.work, wm8350_hpr_work);
1556
1557 /* Enable the codec */
1558 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA);
1559
1560 /* Enable robust clocking mode in ADC */
1561 wm8350_codec_write(codec, WM8350_SECURITY, 0xa7);
1562 wm8350_codec_write(codec, 0xde, 0x13);
1563 wm8350_codec_write(codec, WM8350_SECURITY, 0);
1564
1565 /* read OUT1 & OUT2 volumes */
1566 out1 = &priv->out1;
1567 out2 = &priv->out2;
1568 out1->left_vol = (wm8350_reg_read(wm8350, WM8350_LOUT1_VOLUME) &
1569 WM8350_OUT1L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
1570 out1->right_vol = (wm8350_reg_read(wm8350, WM8350_ROUT1_VOLUME) &
1571 WM8350_OUT1R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
1572 out2->left_vol = (wm8350_reg_read(wm8350, WM8350_LOUT2_VOLUME) &
1573 WM8350_OUT2L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
1574 out2->right_vol = (wm8350_reg_read(wm8350, WM8350_ROUT2_VOLUME) &
1575 WM8350_OUT2R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
1576 wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME, 0);
1577 wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME, 0);
1578 wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME, 0);
1579 wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME, 0);
1580
1581 /* Latch VU bits & mute */
1582 wm8350_set_bits(wm8350, WM8350_LOUT1_VOLUME,
1583 WM8350_OUT1_VU | WM8350_OUT1L_MUTE);
1584 wm8350_set_bits(wm8350, WM8350_LOUT2_VOLUME,
1585 WM8350_OUT2_VU | WM8350_OUT2L_MUTE);
1586 wm8350_set_bits(wm8350, WM8350_ROUT1_VOLUME,
1587 WM8350_OUT1_VU | WM8350_OUT1R_MUTE);
1588 wm8350_set_bits(wm8350, WM8350_ROUT2_VOLUME,
1589 WM8350_OUT2_VU | WM8350_OUT2R_MUTE);
1590
1591 /* Make sure AIF tristating is disabled by default */
1592 wm8350_clear_bits(wm8350, WM8350_AI_FORMATING, WM8350_AIF_TRI);
1593
1594 /* Make sure we've got a sane companding setup too */
1595 wm8350_clear_bits(wm8350, WM8350_ADC_DAC_COMP,
1596 WM8350_DAC_COMP | WM8350_LOOPBACK);
1597
1598 /* Make sure jack detect is disabled to start off with */
1599 wm8350_clear_bits(wm8350, WM8350_JACK_DETECT,
1600 WM8350_JDL_ENA | WM8350_JDR_ENA);
1601
1602 wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L,
1603 wm8350_hp_jack_handler, 0, "Left jack detect",
1604 priv);
1605 wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R,
1606 wm8350_hp_jack_handler, 0, "Right jack detect",
1607 priv);
1608 wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_MICSCD,
1609 wm8350_mic_handler, 0, "Microphone short", priv);
1610 wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_MICD,
1611 wm8350_mic_handler, 0, "Microphone detect", priv);
1612
1613
1614 wm8350_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1615
1616 return 0;
1617 }
1618
1619 static int wm8350_codec_remove(struct snd_soc_codec *codec)
1620 {
1621 struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1622 struct wm8350 *wm8350 = dev_get_platdata(codec->dev);
1623
1624 wm8350_clear_bits(wm8350, WM8350_JACK_DETECT,
1625 WM8350_JDL_ENA | WM8350_JDR_ENA);
1626 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA);
1627
1628 wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_MICD, priv);
1629 wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_MICSCD, priv);
1630 wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L, priv);
1631 wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R, priv);
1632
1633 priv->hpl.jack = NULL;
1634 priv->hpr.jack = NULL;
1635 priv->mic.jack = NULL;
1636
1637 cancel_delayed_work_sync(&priv->hpl.work);
1638 cancel_delayed_work_sync(&priv->hpr.work);
1639
1640 /* if there was any work waiting then we run it now and
1641 * wait for its completion */
1642 flush_delayed_work_sync(&codec->dapm.delayed_work);
1643
1644 wm8350_set_bias_level(codec, SND_SOC_BIAS_OFF);
1645
1646 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA);
1647
1648 regulator_bulk_free(ARRAY_SIZE(priv->supplies), priv->supplies);
1649
1650 return 0;
1651 }
1652
1653 static struct snd_soc_codec_driver soc_codec_dev_wm8350 = {
1654 .probe = wm8350_codec_probe,
1655 .remove = wm8350_codec_remove,
1656 .suspend = wm8350_suspend,
1657 .resume = wm8350_resume,
1658 .read = wm8350_codec_read,
1659 .write = wm8350_codec_write,
1660 .set_bias_level = wm8350_set_bias_level,
1661
1662 .controls = wm8350_snd_controls,
1663 .num_controls = ARRAY_SIZE(wm8350_snd_controls),
1664 .dapm_widgets = wm8350_dapm_widgets,
1665 .num_dapm_widgets = ARRAY_SIZE(wm8350_dapm_widgets),
1666 .dapm_routes = wm8350_dapm_routes,
1667 .num_dapm_routes = ARRAY_SIZE(wm8350_dapm_routes),
1668 };
1669
1670 static int __devinit wm8350_probe(struct platform_device *pdev)
1671 {
1672 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8350,
1673 &wm8350_dai, 1);
1674 }
1675
1676 static int __devexit wm8350_remove(struct platform_device *pdev)
1677 {
1678 snd_soc_unregister_codec(&pdev->dev);
1679 return 0;
1680 }
1681
1682 static struct platform_driver wm8350_codec_driver = {
1683 .driver = {
1684 .name = "wm8350-codec",
1685 .owner = THIS_MODULE,
1686 },
1687 .probe = wm8350_probe,
1688 .remove = __devexit_p(wm8350_remove),
1689 };
1690
1691 module_platform_driver(wm8350_codec_driver);
1692
1693 MODULE_DESCRIPTION("ASoC WM8350 driver");
1694 MODULE_AUTHOR("Liam Girdwood");
1695 MODULE_LICENSE("GPL");
1696 MODULE_ALIAS("platform:wm8350-codec");