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ASoC: Decouple DAPM from CODECs
[deliverable/linux.git] / sound / soc / codecs / wm8350.c
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/soc-dapm.h>
28 #include <sound/initval.h>
29 #include <sound/tlv.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 int report;
58 int short_report;
59 };
60
61 struct wm8350_data {
62 struct snd_soc_codec codec;
63 struct wm8350_output out1;
64 struct wm8350_output out2;
65 struct wm8350_jack_data hpl;
66 struct wm8350_jack_data hpr;
67 struct wm8350_jack_data mic;
68 struct regulator_bulk_data supplies[ARRAY_SIZE(supply_names)];
69 int fll_freq_out;
70 int fll_freq_in;
71 };
72
73 static unsigned int wm8350_codec_cache_read(struct snd_soc_codec *codec,
74 unsigned int reg)
75 {
76 struct wm8350 *wm8350 = codec->control_data;
77 return wm8350->reg_cache[reg];
78 }
79
80 static unsigned int wm8350_codec_read(struct snd_soc_codec *codec,
81 unsigned int reg)
82 {
83 struct wm8350 *wm8350 = codec->control_data;
84 return wm8350_reg_read(wm8350, reg);
85 }
86
87 static int wm8350_codec_write(struct snd_soc_codec *codec, unsigned int reg,
88 unsigned int value)
89 {
90 struct wm8350 *wm8350 = codec->control_data;
91 return wm8350_reg_write(wm8350, reg, value);
92 }
93
94 /*
95 * Ramp OUT1 PGA volume to minimise pops at stream startup and shutdown.
96 */
97 static inline int wm8350_out1_ramp_step(struct snd_soc_codec *codec)
98 {
99 struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
100 struct wm8350_output *out1 = &wm8350_data->out1;
101 struct wm8350 *wm8350 = codec->control_data;
102 int left_complete = 0, right_complete = 0;
103 u16 reg, val;
104
105 /* left channel */
106 reg = wm8350_reg_read(wm8350, WM8350_LOUT1_VOLUME);
107 val = (reg & WM8350_OUT1L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
108
109 if (out1->ramp == WM8350_RAMP_UP) {
110 /* ramp step up */
111 if (val < out1->left_vol) {
112 val++;
113 reg &= ~WM8350_OUT1L_VOL_MASK;
114 wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME,
115 reg | (val << WM8350_OUT1L_VOL_SHIFT));
116 } else
117 left_complete = 1;
118 } else if (out1->ramp == WM8350_RAMP_DOWN) {
119 /* ramp step down */
120 if (val > 0) {
121 val--;
122 reg &= ~WM8350_OUT1L_VOL_MASK;
123 wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME,
124 reg | (val << WM8350_OUT1L_VOL_SHIFT));
125 } else
126 left_complete = 1;
127 } else
128 return 1;
129
130 /* right channel */
131 reg = wm8350_reg_read(wm8350, WM8350_ROUT1_VOLUME);
132 val = (reg & WM8350_OUT1R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
133 if (out1->ramp == WM8350_RAMP_UP) {
134 /* ramp step up */
135 if (val < out1->right_vol) {
136 val++;
137 reg &= ~WM8350_OUT1R_VOL_MASK;
138 wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME,
139 reg | (val << WM8350_OUT1R_VOL_SHIFT));
140 } else
141 right_complete = 1;
142 } else if (out1->ramp == WM8350_RAMP_DOWN) {
143 /* ramp step down */
144 if (val > 0) {
145 val--;
146 reg &= ~WM8350_OUT1R_VOL_MASK;
147 wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME,
148 reg | (val << WM8350_OUT1R_VOL_SHIFT));
149 } else
150 right_complete = 1;
151 }
152
153 /* only hit the update bit if either volume has changed this step */
154 if (!left_complete || !right_complete)
155 wm8350_set_bits(wm8350, WM8350_LOUT1_VOLUME, WM8350_OUT1_VU);
156
157 return left_complete & right_complete;
158 }
159
160 /*
161 * Ramp OUT2 PGA volume to minimise pops at stream startup and shutdown.
162 */
163 static inline int wm8350_out2_ramp_step(struct snd_soc_codec *codec)
164 {
165 struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
166 struct wm8350_output *out2 = &wm8350_data->out2;
167 struct wm8350 *wm8350 = codec->control_data;
168 int left_complete = 0, right_complete = 0;
169 u16 reg, val;
170
171 /* left channel */
172 reg = wm8350_reg_read(wm8350, WM8350_LOUT2_VOLUME);
173 val = (reg & WM8350_OUT2L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
174 if (out2->ramp == WM8350_RAMP_UP) {
175 /* ramp step up */
176 if (val < out2->left_vol) {
177 val++;
178 reg &= ~WM8350_OUT2L_VOL_MASK;
179 wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME,
180 reg | (val << WM8350_OUT1L_VOL_SHIFT));
181 } else
182 left_complete = 1;
183 } else if (out2->ramp == WM8350_RAMP_DOWN) {
184 /* ramp step down */
185 if (val > 0) {
186 val--;
187 reg &= ~WM8350_OUT2L_VOL_MASK;
188 wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME,
189 reg | (val << WM8350_OUT1L_VOL_SHIFT));
190 } else
191 left_complete = 1;
192 } else
193 return 1;
194
195 /* right channel */
196 reg = wm8350_reg_read(wm8350, WM8350_ROUT2_VOLUME);
197 val = (reg & WM8350_OUT2R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
198 if (out2->ramp == WM8350_RAMP_UP) {
199 /* ramp step up */
200 if (val < out2->right_vol) {
201 val++;
202 reg &= ~WM8350_OUT2R_VOL_MASK;
203 wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME,
204 reg | (val << WM8350_OUT1R_VOL_SHIFT));
205 } else
206 right_complete = 1;
207 } else if (out2->ramp == WM8350_RAMP_DOWN) {
208 /* ramp step down */
209 if (val > 0) {
210 val--;
211 reg &= ~WM8350_OUT2R_VOL_MASK;
212 wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME,
213 reg | (val << WM8350_OUT1R_VOL_SHIFT));
214 } else
215 right_complete = 1;
216 }
217
218 /* only hit the update bit if either volume has changed this step */
219 if (!left_complete || !right_complete)
220 wm8350_set_bits(wm8350, WM8350_LOUT2_VOLUME, WM8350_OUT2_VU);
221
222 return left_complete & right_complete;
223 }
224
225 /*
226 * This work ramps both output PGAs at stream start/stop time to
227 * minimise pop associated with DAPM power switching.
228 * It's best to enable Zero Cross when ramping occurs to minimise any
229 * zipper noises.
230 */
231 static void wm8350_pga_work(struct work_struct *work)
232 {
233 struct snd_soc_dapm_context *dapm =
234 container_of(work, struct snd_soc_dapm_context, delayed_work.work);
235 struct snd_soc_codec *codec = dapm->codec;
236 struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
237 struct wm8350_output *out1 = &wm8350_data->out1,
238 *out2 = &wm8350_data->out2;
239 int i, out1_complete, out2_complete;
240
241 /* do we need to ramp at all ? */
242 if (out1->ramp == WM8350_RAMP_NONE && out2->ramp == WM8350_RAMP_NONE)
243 return;
244
245 /* PGA volumes have 6 bits of resolution to ramp */
246 for (i = 0; i <= 63; i++) {
247 out1_complete = 1, out2_complete = 1;
248 if (out1->ramp != WM8350_RAMP_NONE)
249 out1_complete = wm8350_out1_ramp_step(codec);
250 if (out2->ramp != WM8350_RAMP_NONE)
251 out2_complete = wm8350_out2_ramp_step(codec);
252
253 /* ramp finished ? */
254 if (out1_complete && out2_complete)
255 break;
256
257 /* we need to delay longer on the up ramp */
258 if (out1->ramp == WM8350_RAMP_UP ||
259 out2->ramp == WM8350_RAMP_UP) {
260 /* delay is longer over 0dB as increases are larger */
261 if (i >= WM8350_OUTn_0dB)
262 schedule_timeout_interruptible(msecs_to_jiffies
263 (2));
264 else
265 schedule_timeout_interruptible(msecs_to_jiffies
266 (1));
267 } else
268 udelay(50); /* doesn't matter if we delay longer */
269 }
270
271 out1->ramp = WM8350_RAMP_NONE;
272 out2->ramp = WM8350_RAMP_NONE;
273 }
274
275 /*
276 * WM8350 Controls
277 */
278
279 static int pga_event(struct snd_soc_dapm_widget *w,
280 struct snd_kcontrol *kcontrol, int event)
281 {
282 struct snd_soc_codec *codec = w->codec;
283 struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
284 struct wm8350_output *out;
285
286 switch (w->shift) {
287 case 0:
288 case 1:
289 out = &wm8350_data->out1;
290 break;
291 case 2:
292 case 3:
293 out = &wm8350_data->out2;
294 break;
295
296 default:
297 BUG();
298 return -1;
299 }
300
301 switch (event) {
302 case SND_SOC_DAPM_POST_PMU:
303 out->ramp = WM8350_RAMP_UP;
304 out->active = 1;
305
306 if (!delayed_work_pending(&codec->dapm.delayed_work))
307 schedule_delayed_work(&codec->dapm.delayed_work,
308 msecs_to_jiffies(1));
309 break;
310
311 case SND_SOC_DAPM_PRE_PMD:
312 out->ramp = WM8350_RAMP_DOWN;
313 out->active = 0;
314
315 if (!delayed_work_pending(&codec->dapm.delayed_work))
316 schedule_delayed_work(&codec->dapm.delayed_work,
317 msecs_to_jiffies(1));
318 break;
319 }
320
321 return 0;
322 }
323
324 static int wm8350_put_volsw_2r_vu(struct snd_kcontrol *kcontrol,
325 struct snd_ctl_elem_value *ucontrol)
326 {
327 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
328 struct wm8350_data *wm8350_priv = snd_soc_codec_get_drvdata(codec);
329 struct wm8350_output *out = NULL;
330 struct soc_mixer_control *mc =
331 (struct soc_mixer_control *)kcontrol->private_value;
332 int ret;
333 unsigned int reg = mc->reg;
334 u16 val;
335
336 /* For OUT1 and OUT2 we shadow the values and only actually write
337 * them out when active in order to ensure the amplifier comes on
338 * as quietly as possible. */
339 switch (reg) {
340 case WM8350_LOUT1_VOLUME:
341 out = &wm8350_priv->out1;
342 break;
343 case WM8350_LOUT2_VOLUME:
344 out = &wm8350_priv->out2;
345 break;
346 default:
347 break;
348 }
349
350 if (out) {
351 out->left_vol = ucontrol->value.integer.value[0];
352 out->right_vol = ucontrol->value.integer.value[1];
353 if (!out->active)
354 return 1;
355 }
356
357 ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
358 if (ret < 0)
359 return ret;
360
361 /* now hit the volume update bits (always bit 8) */
362 val = wm8350_codec_read(codec, reg);
363 wm8350_codec_write(codec, reg, val | WM8350_OUT1_VU);
364 return 1;
365 }
366
367 static int wm8350_get_volsw_2r(struct snd_kcontrol *kcontrol,
368 struct snd_ctl_elem_value *ucontrol)
369 {
370 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
371 struct wm8350_data *wm8350_priv = snd_soc_codec_get_drvdata(codec);
372 struct wm8350_output *out1 = &wm8350_priv->out1;
373 struct wm8350_output *out2 = &wm8350_priv->out2;
374 struct soc_mixer_control *mc =
375 (struct soc_mixer_control *)kcontrol->private_value;
376 unsigned int reg = mc->reg;
377
378 /* If these are cached registers use the cache */
379 switch (reg) {
380 case WM8350_LOUT1_VOLUME:
381 ucontrol->value.integer.value[0] = out1->left_vol;
382 ucontrol->value.integer.value[1] = out1->right_vol;
383 return 0;
384
385 case WM8350_LOUT2_VOLUME:
386 ucontrol->value.integer.value[0] = out2->left_vol;
387 ucontrol->value.integer.value[1] = out2->right_vol;
388 return 0;
389
390 default:
391 break;
392 }
393
394 return snd_soc_get_volsw_2r(kcontrol, ucontrol);
395 }
396
397 /* double control with volume update */
398 #define SOC_WM8350_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, \
399 xinvert, tlv_array) \
400 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
401 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
402 SNDRV_CTL_ELEM_ACCESS_READWRITE | \
403 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
404 .tlv.p = (tlv_array), \
405 .info = snd_soc_info_volsw_2r, \
406 .get = wm8350_get_volsw_2r, .put = wm8350_put_volsw_2r_vu, \
407 .private_value = (unsigned long)&(struct soc_mixer_control) \
408 {.reg = reg_left, .rreg = reg_right, .shift = xshift, \
409 .rshift = xshift, .max = xmax, .invert = xinvert}, }
410
411 static const char *wm8350_deemp[] = { "None", "32kHz", "44.1kHz", "48kHz" };
412 static const char *wm8350_pol[] = { "Normal", "Inv R", "Inv L", "Inv L & R" };
413 static const char *wm8350_dacmutem[] = { "Normal", "Soft" };
414 static const char *wm8350_dacmutes[] = { "Fast", "Slow" };
415 static const char *wm8350_adcfilter[] = { "None", "High Pass" };
416 static const char *wm8350_adchp[] = { "44.1kHz", "8kHz", "16kHz", "32kHz" };
417 static const char *wm8350_lr[] = { "Left", "Right" };
418
419 static const struct soc_enum wm8350_enum[] = {
420 SOC_ENUM_SINGLE(WM8350_DAC_CONTROL, 4, 4, wm8350_deemp),
421 SOC_ENUM_SINGLE(WM8350_DAC_CONTROL, 0, 4, wm8350_pol),
422 SOC_ENUM_SINGLE(WM8350_DAC_MUTE_VOLUME, 14, 2, wm8350_dacmutem),
423 SOC_ENUM_SINGLE(WM8350_DAC_MUTE_VOLUME, 13, 2, wm8350_dacmutes),
424 SOC_ENUM_SINGLE(WM8350_ADC_CONTROL, 15, 2, wm8350_adcfilter),
425 SOC_ENUM_SINGLE(WM8350_ADC_CONTROL, 8, 4, wm8350_adchp),
426 SOC_ENUM_SINGLE(WM8350_ADC_CONTROL, 0, 4, wm8350_pol),
427 SOC_ENUM_SINGLE(WM8350_INPUT_MIXER_VOLUME, 15, 2, wm8350_lr),
428 };
429
430 static DECLARE_TLV_DB_SCALE(pre_amp_tlv, -1200, 3525, 0);
431 static DECLARE_TLV_DB_SCALE(out_pga_tlv, -5700, 600, 0);
432 static DECLARE_TLV_DB_SCALE(dac_pcm_tlv, -7163, 36, 1);
433 static DECLARE_TLV_DB_SCALE(adc_pcm_tlv, -12700, 50, 1);
434 static DECLARE_TLV_DB_SCALE(out_mix_tlv, -1500, 300, 1);
435
436 static const unsigned int capture_sd_tlv[] = {
437 TLV_DB_RANGE_HEAD(2),
438 0, 12, TLV_DB_SCALE_ITEM(-3600, 300, 1),
439 13, 15, TLV_DB_SCALE_ITEM(0, 0, 0),
440 };
441
442 static const struct snd_kcontrol_new wm8350_snd_controls[] = {
443 SOC_ENUM("Playback Deemphasis", wm8350_enum[0]),
444 SOC_ENUM("Playback DAC Inversion", wm8350_enum[1]),
445 SOC_WM8350_DOUBLE_R_TLV("Playback PCM Volume",
446 WM8350_DAC_DIGITAL_VOLUME_L,
447 WM8350_DAC_DIGITAL_VOLUME_R,
448 0, 255, 0, dac_pcm_tlv),
449 SOC_ENUM("Playback PCM Mute Function", wm8350_enum[2]),
450 SOC_ENUM("Playback PCM Mute Speed", wm8350_enum[3]),
451 SOC_ENUM("Capture PCM Filter", wm8350_enum[4]),
452 SOC_ENUM("Capture PCM HP Filter", wm8350_enum[5]),
453 SOC_ENUM("Capture ADC Inversion", wm8350_enum[6]),
454 SOC_WM8350_DOUBLE_R_TLV("Capture PCM Volume",
455 WM8350_ADC_DIGITAL_VOLUME_L,
456 WM8350_ADC_DIGITAL_VOLUME_R,
457 0, 255, 0, adc_pcm_tlv),
458 SOC_DOUBLE_TLV("Capture Sidetone Volume",
459 WM8350_ADC_DIVIDER,
460 8, 4, 15, 1, capture_sd_tlv),
461 SOC_WM8350_DOUBLE_R_TLV("Capture Volume",
462 WM8350_LEFT_INPUT_VOLUME,
463 WM8350_RIGHT_INPUT_VOLUME,
464 2, 63, 0, pre_amp_tlv),
465 SOC_DOUBLE_R("Capture ZC Switch",
466 WM8350_LEFT_INPUT_VOLUME,
467 WM8350_RIGHT_INPUT_VOLUME, 13, 1, 0),
468 SOC_SINGLE_TLV("Left Input Left Sidetone Volume",
469 WM8350_OUTPUT_LEFT_MIXER_VOLUME, 1, 7, 0, out_mix_tlv),
470 SOC_SINGLE_TLV("Left Input Right Sidetone Volume",
471 WM8350_OUTPUT_LEFT_MIXER_VOLUME,
472 5, 7, 0, out_mix_tlv),
473 SOC_SINGLE_TLV("Left Input Bypass Volume",
474 WM8350_OUTPUT_LEFT_MIXER_VOLUME,
475 9, 7, 0, out_mix_tlv),
476 SOC_SINGLE_TLV("Right Input Left Sidetone Volume",
477 WM8350_OUTPUT_RIGHT_MIXER_VOLUME,
478 1, 7, 0, out_mix_tlv),
479 SOC_SINGLE_TLV("Right Input Right Sidetone Volume",
480 WM8350_OUTPUT_RIGHT_MIXER_VOLUME,
481 5, 7, 0, out_mix_tlv),
482 SOC_SINGLE_TLV("Right Input Bypass Volume",
483 WM8350_OUTPUT_RIGHT_MIXER_VOLUME,
484 13, 7, 0, out_mix_tlv),
485 SOC_SINGLE("Left Input Mixer +20dB Switch",
486 WM8350_INPUT_MIXER_VOLUME_L, 0, 1, 0),
487 SOC_SINGLE("Right Input Mixer +20dB Switch",
488 WM8350_INPUT_MIXER_VOLUME_R, 0, 1, 0),
489 SOC_SINGLE_TLV("Out4 Capture Volume",
490 WM8350_INPUT_MIXER_VOLUME,
491 1, 7, 0, out_mix_tlv),
492 SOC_WM8350_DOUBLE_R_TLV("Out1 Playback Volume",
493 WM8350_LOUT1_VOLUME,
494 WM8350_ROUT1_VOLUME,
495 2, 63, 0, out_pga_tlv),
496 SOC_DOUBLE_R("Out1 Playback ZC Switch",
497 WM8350_LOUT1_VOLUME,
498 WM8350_ROUT1_VOLUME, 13, 1, 0),
499 SOC_WM8350_DOUBLE_R_TLV("Out2 Playback Volume",
500 WM8350_LOUT2_VOLUME,
501 WM8350_ROUT2_VOLUME,
502 2, 63, 0, out_pga_tlv),
503 SOC_DOUBLE_R("Out2 Playback ZC Switch", WM8350_LOUT2_VOLUME,
504 WM8350_ROUT2_VOLUME, 13, 1, 0),
505 SOC_SINGLE("Out2 Right Invert Switch", WM8350_ROUT2_VOLUME, 10, 1, 0),
506 SOC_SINGLE_TLV("Out2 Beep Volume", WM8350_BEEP_VOLUME,
507 5, 7, 0, out_mix_tlv),
508
509 SOC_DOUBLE_R("Out1 Playback Switch",
510 WM8350_LOUT1_VOLUME,
511 WM8350_ROUT1_VOLUME,
512 14, 1, 1),
513 SOC_DOUBLE_R("Out2 Playback Switch",
514 WM8350_LOUT2_VOLUME,
515 WM8350_ROUT2_VOLUME,
516 14, 1, 1),
517 };
518
519 /*
520 * DAPM Controls
521 */
522
523 /* Left Playback Mixer */
524 static const struct snd_kcontrol_new wm8350_left_play_mixer_controls[] = {
525 SOC_DAPM_SINGLE("Playback Switch",
526 WM8350_LEFT_MIXER_CONTROL, 11, 1, 0),
527 SOC_DAPM_SINGLE("Left Bypass Switch",
528 WM8350_LEFT_MIXER_CONTROL, 2, 1, 0),
529 SOC_DAPM_SINGLE("Right Playback Switch",
530 WM8350_LEFT_MIXER_CONTROL, 12, 1, 0),
531 SOC_DAPM_SINGLE("Left Sidetone Switch",
532 WM8350_LEFT_MIXER_CONTROL, 0, 1, 0),
533 SOC_DAPM_SINGLE("Right Sidetone Switch",
534 WM8350_LEFT_MIXER_CONTROL, 1, 1, 0),
535 };
536
537 /* Right Playback Mixer */
538 static const struct snd_kcontrol_new wm8350_right_play_mixer_controls[] = {
539 SOC_DAPM_SINGLE("Playback Switch",
540 WM8350_RIGHT_MIXER_CONTROL, 12, 1, 0),
541 SOC_DAPM_SINGLE("Right Bypass Switch",
542 WM8350_RIGHT_MIXER_CONTROL, 3, 1, 0),
543 SOC_DAPM_SINGLE("Left Playback Switch",
544 WM8350_RIGHT_MIXER_CONTROL, 11, 1, 0),
545 SOC_DAPM_SINGLE("Left Sidetone Switch",
546 WM8350_RIGHT_MIXER_CONTROL, 0, 1, 0),
547 SOC_DAPM_SINGLE("Right Sidetone Switch",
548 WM8350_RIGHT_MIXER_CONTROL, 1, 1, 0),
549 };
550
551 /* Out4 Mixer */
552 static const struct snd_kcontrol_new wm8350_out4_mixer_controls[] = {
553 SOC_DAPM_SINGLE("Right Playback Switch",
554 WM8350_OUT4_MIXER_CONTROL, 12, 1, 0),
555 SOC_DAPM_SINGLE("Left Playback Switch",
556 WM8350_OUT4_MIXER_CONTROL, 11, 1, 0),
557 SOC_DAPM_SINGLE("Right Capture Switch",
558 WM8350_OUT4_MIXER_CONTROL, 9, 1, 0),
559 SOC_DAPM_SINGLE("Out3 Playback Switch",
560 WM8350_OUT4_MIXER_CONTROL, 2, 1, 0),
561 SOC_DAPM_SINGLE("Right Mixer Switch",
562 WM8350_OUT4_MIXER_CONTROL, 1, 1, 0),
563 SOC_DAPM_SINGLE("Left Mixer Switch",
564 WM8350_OUT4_MIXER_CONTROL, 0, 1, 0),
565 };
566
567 /* Out3 Mixer */
568 static const struct snd_kcontrol_new wm8350_out3_mixer_controls[] = {
569 SOC_DAPM_SINGLE("Left Playback Switch",
570 WM8350_OUT3_MIXER_CONTROL, 11, 1, 0),
571 SOC_DAPM_SINGLE("Left Capture Switch",
572 WM8350_OUT3_MIXER_CONTROL, 8, 1, 0),
573 SOC_DAPM_SINGLE("Out4 Playback Switch",
574 WM8350_OUT3_MIXER_CONTROL, 3, 1, 0),
575 SOC_DAPM_SINGLE("Left Mixer Switch",
576 WM8350_OUT3_MIXER_CONTROL, 0, 1, 0),
577 };
578
579 /* Left Input Mixer */
580 static const struct snd_kcontrol_new wm8350_left_capt_mixer_controls[] = {
581 SOC_DAPM_SINGLE_TLV("L2 Capture Volume",
582 WM8350_INPUT_MIXER_VOLUME_L, 1, 7, 0, out_mix_tlv),
583 SOC_DAPM_SINGLE_TLV("L3 Capture Volume",
584 WM8350_INPUT_MIXER_VOLUME_L, 9, 7, 0, out_mix_tlv),
585 SOC_DAPM_SINGLE("PGA Capture Switch",
586 WM8350_LEFT_INPUT_VOLUME, 14, 1, 1),
587 };
588
589 /* Right Input Mixer */
590 static const struct snd_kcontrol_new wm8350_right_capt_mixer_controls[] = {
591 SOC_DAPM_SINGLE_TLV("L2 Capture Volume",
592 WM8350_INPUT_MIXER_VOLUME_R, 5, 7, 0, out_mix_tlv),
593 SOC_DAPM_SINGLE_TLV("L3 Capture Volume",
594 WM8350_INPUT_MIXER_VOLUME_R, 13, 7, 0, out_mix_tlv),
595 SOC_DAPM_SINGLE("PGA Capture Switch",
596 WM8350_RIGHT_INPUT_VOLUME, 14, 1, 1),
597 };
598
599 /* Left Mic Mixer */
600 static const struct snd_kcontrol_new wm8350_left_mic_mixer_controls[] = {
601 SOC_DAPM_SINGLE("INN Capture Switch", WM8350_INPUT_CONTROL, 1, 1, 0),
602 SOC_DAPM_SINGLE("INP Capture Switch", WM8350_INPUT_CONTROL, 0, 1, 0),
603 SOC_DAPM_SINGLE("IN2 Capture Switch", WM8350_INPUT_CONTROL, 2, 1, 0),
604 };
605
606 /* Right Mic Mixer */
607 static const struct snd_kcontrol_new wm8350_right_mic_mixer_controls[] = {
608 SOC_DAPM_SINGLE("INN Capture Switch", WM8350_INPUT_CONTROL, 9, 1, 0),
609 SOC_DAPM_SINGLE("INP Capture Switch", WM8350_INPUT_CONTROL, 8, 1, 0),
610 SOC_DAPM_SINGLE("IN2 Capture Switch", WM8350_INPUT_CONTROL, 10, 1, 0),
611 };
612
613 /* Beep Switch */
614 static const struct snd_kcontrol_new wm8350_beep_switch_controls =
615 SOC_DAPM_SINGLE("Switch", WM8350_BEEP_VOLUME, 15, 1, 1);
616
617 /* Out4 Capture Mux */
618 static const struct snd_kcontrol_new wm8350_out4_capture_controls =
619 SOC_DAPM_ENUM("Route", wm8350_enum[7]);
620
621 static const struct snd_soc_dapm_widget wm8350_dapm_widgets[] = {
622
623 SND_SOC_DAPM_PGA("IN3R PGA", WM8350_POWER_MGMT_2, 11, 0, NULL, 0),
624 SND_SOC_DAPM_PGA("IN3L PGA", WM8350_POWER_MGMT_2, 10, 0, NULL, 0),
625 SND_SOC_DAPM_PGA_E("Right Out2 PGA", WM8350_POWER_MGMT_3, 3, 0, NULL,
626 0, pga_event,
627 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
628 SND_SOC_DAPM_PGA_E("Left Out2 PGA", WM8350_POWER_MGMT_3, 2, 0, NULL, 0,
629 pga_event,
630 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
631 SND_SOC_DAPM_PGA_E("Right Out1 PGA", WM8350_POWER_MGMT_3, 1, 0, NULL,
632 0, pga_event,
633 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
634 SND_SOC_DAPM_PGA_E("Left Out1 PGA", WM8350_POWER_MGMT_3, 0, 0, NULL, 0,
635 pga_event,
636 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
637
638 SND_SOC_DAPM_MIXER("Right Capture Mixer", WM8350_POWER_MGMT_2,
639 7, 0, &wm8350_right_capt_mixer_controls[0],
640 ARRAY_SIZE(wm8350_right_capt_mixer_controls)),
641
642 SND_SOC_DAPM_MIXER("Left Capture Mixer", WM8350_POWER_MGMT_2,
643 6, 0, &wm8350_left_capt_mixer_controls[0],
644 ARRAY_SIZE(wm8350_left_capt_mixer_controls)),
645
646 SND_SOC_DAPM_MIXER("Out4 Mixer", WM8350_POWER_MGMT_2, 5, 0,
647 &wm8350_out4_mixer_controls[0],
648 ARRAY_SIZE(wm8350_out4_mixer_controls)),
649
650 SND_SOC_DAPM_MIXER("Out3 Mixer", WM8350_POWER_MGMT_2, 4, 0,
651 &wm8350_out3_mixer_controls[0],
652 ARRAY_SIZE(wm8350_out3_mixer_controls)),
653
654 SND_SOC_DAPM_MIXER("Right Playback Mixer", WM8350_POWER_MGMT_2, 1, 0,
655 &wm8350_right_play_mixer_controls[0],
656 ARRAY_SIZE(wm8350_right_play_mixer_controls)),
657
658 SND_SOC_DAPM_MIXER("Left Playback Mixer", WM8350_POWER_MGMT_2, 0, 0,
659 &wm8350_left_play_mixer_controls[0],
660 ARRAY_SIZE(wm8350_left_play_mixer_controls)),
661
662 SND_SOC_DAPM_MIXER("Left Mic Mixer", WM8350_POWER_MGMT_2, 8, 0,
663 &wm8350_left_mic_mixer_controls[0],
664 ARRAY_SIZE(wm8350_left_mic_mixer_controls)),
665
666 SND_SOC_DAPM_MIXER("Right Mic Mixer", WM8350_POWER_MGMT_2, 9, 0,
667 &wm8350_right_mic_mixer_controls[0],
668 ARRAY_SIZE(wm8350_right_mic_mixer_controls)),
669
670 /* virtual mixer for Beep and Out2R */
671 SND_SOC_DAPM_MIXER("Out2 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
672
673 SND_SOC_DAPM_SWITCH("Beep", WM8350_POWER_MGMT_3, 7, 0,
674 &wm8350_beep_switch_controls),
675
676 SND_SOC_DAPM_ADC("Right ADC", "Right Capture",
677 WM8350_POWER_MGMT_4, 3, 0),
678 SND_SOC_DAPM_ADC("Left ADC", "Left Capture",
679 WM8350_POWER_MGMT_4, 2, 0),
680 SND_SOC_DAPM_DAC("Right DAC", "Right Playback",
681 WM8350_POWER_MGMT_4, 5, 0),
682 SND_SOC_DAPM_DAC("Left DAC", "Left Playback",
683 WM8350_POWER_MGMT_4, 4, 0),
684
685 SND_SOC_DAPM_MICBIAS("Mic Bias", WM8350_POWER_MGMT_1, 4, 0),
686
687 SND_SOC_DAPM_MUX("Out4 Capture Channel", SND_SOC_NOPM, 0, 0,
688 &wm8350_out4_capture_controls),
689
690 SND_SOC_DAPM_OUTPUT("OUT1R"),
691 SND_SOC_DAPM_OUTPUT("OUT1L"),
692 SND_SOC_DAPM_OUTPUT("OUT2R"),
693 SND_SOC_DAPM_OUTPUT("OUT2L"),
694 SND_SOC_DAPM_OUTPUT("OUT3"),
695 SND_SOC_DAPM_OUTPUT("OUT4"),
696
697 SND_SOC_DAPM_INPUT("IN1RN"),
698 SND_SOC_DAPM_INPUT("IN1RP"),
699 SND_SOC_DAPM_INPUT("IN2R"),
700 SND_SOC_DAPM_INPUT("IN1LP"),
701 SND_SOC_DAPM_INPUT("IN1LN"),
702 SND_SOC_DAPM_INPUT("IN2L"),
703 SND_SOC_DAPM_INPUT("IN3R"),
704 SND_SOC_DAPM_INPUT("IN3L"),
705 };
706
707 static const struct snd_soc_dapm_route audio_map[] = {
708
709 /* left playback mixer */
710 {"Left Playback Mixer", "Playback Switch", "Left DAC"},
711 {"Left Playback Mixer", "Left Bypass Switch", "IN3L PGA"},
712 {"Left Playback Mixer", "Right Playback Switch", "Right DAC"},
713 {"Left Playback Mixer", "Left Sidetone Switch", "Left Mic Mixer"},
714 {"Left Playback Mixer", "Right Sidetone Switch", "Right Mic Mixer"},
715
716 /* right playback mixer */
717 {"Right Playback Mixer", "Playback Switch", "Right DAC"},
718 {"Right Playback Mixer", "Right Bypass Switch", "IN3R PGA"},
719 {"Right Playback Mixer", "Left Playback Switch", "Left DAC"},
720 {"Right Playback Mixer", "Left Sidetone Switch", "Left Mic Mixer"},
721 {"Right Playback Mixer", "Right Sidetone Switch", "Right Mic Mixer"},
722
723 /* out4 playback mixer */
724 {"Out4 Mixer", "Right Playback Switch", "Right DAC"},
725 {"Out4 Mixer", "Left Playback Switch", "Left DAC"},
726 {"Out4 Mixer", "Right Capture Switch", "Right Capture Mixer"},
727 {"Out4 Mixer", "Out3 Playback Switch", "Out3 Mixer"},
728 {"Out4 Mixer", "Right Mixer Switch", "Right Playback Mixer"},
729 {"Out4 Mixer", "Left Mixer Switch", "Left Playback Mixer"},
730 {"OUT4", NULL, "Out4 Mixer"},
731
732 /* out3 playback mixer */
733 {"Out3 Mixer", "Left Playback Switch", "Left DAC"},
734 {"Out3 Mixer", "Left Capture Switch", "Left Capture Mixer"},
735 {"Out3 Mixer", "Left Mixer Switch", "Left Playback Mixer"},
736 {"Out3 Mixer", "Out4 Playback Switch", "Out4 Mixer"},
737 {"OUT3", NULL, "Out3 Mixer"},
738
739 /* out2 */
740 {"Right Out2 PGA", NULL, "Right Playback Mixer"},
741 {"Left Out2 PGA", NULL, "Left Playback Mixer"},
742 {"OUT2L", NULL, "Left Out2 PGA"},
743 {"OUT2R", NULL, "Right Out2 PGA"},
744
745 /* out1 */
746 {"Right Out1 PGA", NULL, "Right Playback Mixer"},
747 {"Left Out1 PGA", NULL, "Left Playback Mixer"},
748 {"OUT1L", NULL, "Left Out1 PGA"},
749 {"OUT1R", NULL, "Right Out1 PGA"},
750
751 /* ADCs */
752 {"Left ADC", NULL, "Left Capture Mixer"},
753 {"Right ADC", NULL, "Right Capture Mixer"},
754
755 /* Left capture mixer */
756 {"Left Capture Mixer", "L2 Capture Volume", "IN2L"},
757 {"Left Capture Mixer", "L3 Capture Volume", "IN3L PGA"},
758 {"Left Capture Mixer", "PGA Capture Switch", "Left Mic Mixer"},
759 {"Left Capture Mixer", NULL, "Out4 Capture Channel"},
760
761 /* Right capture mixer */
762 {"Right Capture Mixer", "L2 Capture Volume", "IN2R"},
763 {"Right Capture Mixer", "L3 Capture Volume", "IN3R PGA"},
764 {"Right Capture Mixer", "PGA Capture Switch", "Right Mic Mixer"},
765 {"Right Capture Mixer", NULL, "Out4 Capture Channel"},
766
767 /* L3 Inputs */
768 {"IN3L PGA", NULL, "IN3L"},
769 {"IN3R PGA", NULL, "IN3R"},
770
771 /* Left Mic mixer */
772 {"Left Mic Mixer", "INN Capture Switch", "IN1LN"},
773 {"Left Mic Mixer", "INP Capture Switch", "IN1LP"},
774 {"Left Mic Mixer", "IN2 Capture Switch", "IN2L"},
775
776 /* Right Mic mixer */
777 {"Right Mic Mixer", "INN Capture Switch", "IN1RN"},
778 {"Right Mic Mixer", "INP Capture Switch", "IN1RP"},
779 {"Right Mic Mixer", "IN2 Capture Switch", "IN2R"},
780
781 /* out 4 capture */
782 {"Out4 Capture Channel", NULL, "Out4 Mixer"},
783
784 /* Beep */
785 {"Beep", NULL, "IN3R PGA"},
786 };
787
788 static int wm8350_add_widgets(struct snd_soc_codec *codec)
789 {
790 struct snd_soc_dapm_context *dapm = &codec->dapm;
791 int ret;
792
793 ret = snd_soc_dapm_new_controls(dapm,
794 wm8350_dapm_widgets,
795 ARRAY_SIZE(wm8350_dapm_widgets));
796 if (ret != 0) {
797 dev_err(codec->dev, "dapm control register failed\n");
798 return ret;
799 }
800
801 /* set up audio paths */
802 ret = snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
803 if (ret != 0) {
804 dev_err(codec->dev, "DAPM route register failed\n");
805 return ret;
806 }
807
808 return 0;
809 }
810
811 static int wm8350_set_dai_sysclk(struct snd_soc_dai *codec_dai,
812 int clk_id, unsigned int freq, int dir)
813 {
814 struct snd_soc_codec *codec = codec_dai->codec;
815 struct wm8350 *wm8350 = codec->control_data;
816 u16 fll_4;
817
818 switch (clk_id) {
819 case WM8350_MCLK_SEL_MCLK:
820 wm8350_clear_bits(wm8350, WM8350_CLOCK_CONTROL_1,
821 WM8350_MCLK_SEL);
822 break;
823 case WM8350_MCLK_SEL_PLL_MCLK:
824 case WM8350_MCLK_SEL_PLL_DAC:
825 case WM8350_MCLK_SEL_PLL_ADC:
826 case WM8350_MCLK_SEL_PLL_32K:
827 wm8350_set_bits(wm8350, WM8350_CLOCK_CONTROL_1,
828 WM8350_MCLK_SEL);
829 fll_4 = wm8350_codec_read(codec, WM8350_FLL_CONTROL_4) &
830 ~WM8350_FLL_CLK_SRC_MASK;
831 wm8350_codec_write(codec, WM8350_FLL_CONTROL_4, fll_4 | clk_id);
832 break;
833 }
834
835 /* MCLK direction */
836 if (dir == WM8350_MCLK_DIR_OUT)
837 wm8350_set_bits(wm8350, WM8350_CLOCK_CONTROL_2,
838 WM8350_MCLK_DIR);
839 else
840 wm8350_clear_bits(wm8350, WM8350_CLOCK_CONTROL_2,
841 WM8350_MCLK_DIR);
842
843 return 0;
844 }
845
846 static int wm8350_set_clkdiv(struct snd_soc_dai *codec_dai, int div_id, int div)
847 {
848 struct snd_soc_codec *codec = codec_dai->codec;
849 u16 val;
850
851 switch (div_id) {
852 case WM8350_ADC_CLKDIV:
853 val = wm8350_codec_read(codec, WM8350_ADC_DIVIDER) &
854 ~WM8350_ADC_CLKDIV_MASK;
855 wm8350_codec_write(codec, WM8350_ADC_DIVIDER, val | div);
856 break;
857 case WM8350_DAC_CLKDIV:
858 val = wm8350_codec_read(codec, WM8350_DAC_CLOCK_CONTROL) &
859 ~WM8350_DAC_CLKDIV_MASK;
860 wm8350_codec_write(codec, WM8350_DAC_CLOCK_CONTROL, val | div);
861 break;
862 case WM8350_BCLK_CLKDIV:
863 val = wm8350_codec_read(codec, WM8350_CLOCK_CONTROL_1) &
864 ~WM8350_BCLK_DIV_MASK;
865 wm8350_codec_write(codec, WM8350_CLOCK_CONTROL_1, val | div);
866 break;
867 case WM8350_OPCLK_CLKDIV:
868 val = wm8350_codec_read(codec, WM8350_CLOCK_CONTROL_1) &
869 ~WM8350_OPCLK_DIV_MASK;
870 wm8350_codec_write(codec, WM8350_CLOCK_CONTROL_1, val | div);
871 break;
872 case WM8350_SYS_CLKDIV:
873 val = wm8350_codec_read(codec, WM8350_CLOCK_CONTROL_1) &
874 ~WM8350_MCLK_DIV_MASK;
875 wm8350_codec_write(codec, WM8350_CLOCK_CONTROL_1, val | div);
876 break;
877 case WM8350_DACLR_CLKDIV:
878 val = wm8350_codec_read(codec, WM8350_DAC_LR_RATE) &
879 ~WM8350_DACLRC_RATE_MASK;
880 wm8350_codec_write(codec, WM8350_DAC_LR_RATE, val | div);
881 break;
882 case WM8350_ADCLR_CLKDIV:
883 val = wm8350_codec_read(codec, WM8350_ADC_LR_RATE) &
884 ~WM8350_ADCLRC_RATE_MASK;
885 wm8350_codec_write(codec, WM8350_ADC_LR_RATE, val | div);
886 break;
887 default:
888 return -EINVAL;
889 }
890
891 return 0;
892 }
893
894 static int wm8350_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
895 {
896 struct snd_soc_codec *codec = codec_dai->codec;
897 u16 iface = wm8350_codec_read(codec, WM8350_AI_FORMATING) &
898 ~(WM8350_AIF_BCLK_INV | WM8350_AIF_LRCLK_INV | WM8350_AIF_FMT_MASK);
899 u16 master = wm8350_codec_read(codec, WM8350_AI_DAC_CONTROL) &
900 ~WM8350_BCLK_MSTR;
901 u16 dac_lrc = wm8350_codec_read(codec, WM8350_DAC_LR_RATE) &
902 ~WM8350_DACLRC_ENA;
903 u16 adc_lrc = wm8350_codec_read(codec, WM8350_ADC_LR_RATE) &
904 ~WM8350_ADCLRC_ENA;
905
906 /* set master/slave audio interface */
907 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
908 case SND_SOC_DAIFMT_CBM_CFM:
909 master |= WM8350_BCLK_MSTR;
910 dac_lrc |= WM8350_DACLRC_ENA;
911 adc_lrc |= WM8350_ADCLRC_ENA;
912 break;
913 case SND_SOC_DAIFMT_CBS_CFS:
914 break;
915 default:
916 return -EINVAL;
917 }
918
919 /* interface format */
920 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
921 case SND_SOC_DAIFMT_I2S:
922 iface |= 0x2 << 8;
923 break;
924 case SND_SOC_DAIFMT_RIGHT_J:
925 break;
926 case SND_SOC_DAIFMT_LEFT_J:
927 iface |= 0x1 << 8;
928 break;
929 case SND_SOC_DAIFMT_DSP_A:
930 iface |= 0x3 << 8;
931 break;
932 case SND_SOC_DAIFMT_DSP_B:
933 iface |= 0x3 << 8 | WM8350_AIF_LRCLK_INV;
934 break;
935 default:
936 return -EINVAL;
937 }
938
939 /* clock inversion */
940 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
941 case SND_SOC_DAIFMT_NB_NF:
942 break;
943 case SND_SOC_DAIFMT_IB_IF:
944 iface |= WM8350_AIF_LRCLK_INV | WM8350_AIF_BCLK_INV;
945 break;
946 case SND_SOC_DAIFMT_IB_NF:
947 iface |= WM8350_AIF_BCLK_INV;
948 break;
949 case SND_SOC_DAIFMT_NB_IF:
950 iface |= WM8350_AIF_LRCLK_INV;
951 break;
952 default:
953 return -EINVAL;
954 }
955
956 wm8350_codec_write(codec, WM8350_AI_FORMATING, iface);
957 wm8350_codec_write(codec, WM8350_AI_DAC_CONTROL, master);
958 wm8350_codec_write(codec, WM8350_DAC_LR_RATE, dac_lrc);
959 wm8350_codec_write(codec, WM8350_ADC_LR_RATE, adc_lrc);
960 return 0;
961 }
962
963 static int wm8350_pcm_trigger(struct snd_pcm_substream *substream,
964 int cmd, struct snd_soc_dai *codec_dai)
965 {
966 struct snd_soc_codec *codec = codec_dai->codec;
967 int master = wm8350_codec_cache_read(codec, WM8350_AI_DAC_CONTROL) &
968 WM8350_BCLK_MSTR;
969 int enabled = 0;
970
971 /* Check that the DACs or ADCs are enabled since they are
972 * required for LRC in master mode. The DACs or ADCs need a
973 * valid audio path i.e. pin -> ADC or DAC -> pin before
974 * the LRC will be enabled in master mode. */
975 if (!master || cmd != SNDRV_PCM_TRIGGER_START)
976 return 0;
977
978 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
979 enabled = wm8350_codec_cache_read(codec, WM8350_POWER_MGMT_4) &
980 (WM8350_ADCR_ENA | WM8350_ADCL_ENA);
981 } else {
982 enabled = wm8350_codec_cache_read(codec, WM8350_POWER_MGMT_4) &
983 (WM8350_DACR_ENA | WM8350_DACL_ENA);
984 }
985
986 if (!enabled) {
987 dev_err(codec->dev,
988 "%s: invalid audio path - no clocks available\n",
989 __func__);
990 return -EINVAL;
991 }
992 return 0;
993 }
994
995 static int wm8350_pcm_hw_params(struct snd_pcm_substream *substream,
996 struct snd_pcm_hw_params *params,
997 struct snd_soc_dai *codec_dai)
998 {
999 struct snd_soc_codec *codec = codec_dai->codec;
1000 struct wm8350 *wm8350 = codec->control_data;
1001 u16 iface = wm8350_codec_read(codec, WM8350_AI_FORMATING) &
1002 ~WM8350_AIF_WL_MASK;
1003
1004 /* bit size */
1005 switch (params_format(params)) {
1006 case SNDRV_PCM_FORMAT_S16_LE:
1007 break;
1008 case SNDRV_PCM_FORMAT_S20_3LE:
1009 iface |= 0x1 << 10;
1010 break;
1011 case SNDRV_PCM_FORMAT_S24_LE:
1012 iface |= 0x2 << 10;
1013 break;
1014 case SNDRV_PCM_FORMAT_S32_LE:
1015 iface |= 0x3 << 10;
1016 break;
1017 }
1018
1019 wm8350_codec_write(codec, WM8350_AI_FORMATING, iface);
1020
1021 /* The sloping stopband filter is recommended for use with
1022 * lower sample rates to improve performance.
1023 */
1024 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1025 if (params_rate(params) < 24000)
1026 wm8350_set_bits(wm8350, WM8350_DAC_MUTE_VOLUME,
1027 WM8350_DAC_SB_FILT);
1028 else
1029 wm8350_clear_bits(wm8350, WM8350_DAC_MUTE_VOLUME,
1030 WM8350_DAC_SB_FILT);
1031 }
1032
1033 return 0;
1034 }
1035
1036 static int wm8350_mute(struct snd_soc_dai *dai, int mute)
1037 {
1038 struct snd_soc_codec *codec = dai->codec;
1039 struct wm8350 *wm8350 = codec->control_data;
1040
1041 if (mute)
1042 wm8350_set_bits(wm8350, WM8350_DAC_MUTE, WM8350_DAC_MUTE_ENA);
1043 else
1044 wm8350_clear_bits(wm8350, WM8350_DAC_MUTE, WM8350_DAC_MUTE_ENA);
1045 return 0;
1046 }
1047
1048 /* FLL divisors */
1049 struct _fll_div {
1050 int div; /* FLL_OUTDIV */
1051 int n;
1052 int k;
1053 int ratio; /* FLL_FRATIO */
1054 };
1055
1056 /* The size in bits of the fll divide multiplied by 10
1057 * to allow rounding later */
1058 #define FIXED_FLL_SIZE ((1 << 16) * 10)
1059
1060 static inline int fll_factors(struct _fll_div *fll_div, unsigned int input,
1061 unsigned int output)
1062 {
1063 u64 Kpart;
1064 unsigned int t1, t2, K, Nmod;
1065
1066 if (output >= 2815250 && output <= 3125000)
1067 fll_div->div = 0x4;
1068 else if (output >= 5625000 && output <= 6250000)
1069 fll_div->div = 0x3;
1070 else if (output >= 11250000 && output <= 12500000)
1071 fll_div->div = 0x2;
1072 else if (output >= 22500000 && output <= 25000000)
1073 fll_div->div = 0x1;
1074 else {
1075 printk(KERN_ERR "wm8350: fll freq %d out of range\n", output);
1076 return -EINVAL;
1077 }
1078
1079 if (input > 48000)
1080 fll_div->ratio = 1;
1081 else
1082 fll_div->ratio = 8;
1083
1084 t1 = output * (1 << (fll_div->div + 1));
1085 t2 = input * fll_div->ratio;
1086
1087 fll_div->n = t1 / t2;
1088 Nmod = t1 % t2;
1089
1090 if (Nmod) {
1091 Kpart = FIXED_FLL_SIZE * (long long)Nmod;
1092 do_div(Kpart, t2);
1093 K = Kpart & 0xFFFFFFFF;
1094
1095 /* Check if we need to round */
1096 if ((K % 10) >= 5)
1097 K += 5;
1098
1099 /* Move down to proper range now rounding is done */
1100 K /= 10;
1101 fll_div->k = K;
1102 } else
1103 fll_div->k = 0;
1104
1105 return 0;
1106 }
1107
1108 static int wm8350_set_fll(struct snd_soc_dai *codec_dai,
1109 int pll_id, int source, unsigned int freq_in,
1110 unsigned int freq_out)
1111 {
1112 struct snd_soc_codec *codec = codec_dai->codec;
1113 struct wm8350 *wm8350 = codec->control_data;
1114 struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1115 struct _fll_div fll_div;
1116 int ret = 0;
1117 u16 fll_1, fll_4;
1118
1119 if (freq_in == priv->fll_freq_in && freq_out == priv->fll_freq_out)
1120 return 0;
1121
1122 /* power down FLL - we need to do this for reconfiguration */
1123 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4,
1124 WM8350_FLL_ENA | WM8350_FLL_OSC_ENA);
1125
1126 if (freq_out == 0 || freq_in == 0)
1127 return ret;
1128
1129 ret = fll_factors(&fll_div, freq_in, freq_out);
1130 if (ret < 0)
1131 return ret;
1132 dev_dbg(wm8350->dev,
1133 "FLL in %u FLL out %u N 0x%x K 0x%x div %d ratio %d",
1134 freq_in, freq_out, fll_div.n, fll_div.k, fll_div.div,
1135 fll_div.ratio);
1136
1137 /* set up N.K & dividers */
1138 fll_1 = wm8350_codec_read(codec, WM8350_FLL_CONTROL_1) &
1139 ~(WM8350_FLL_OUTDIV_MASK | WM8350_FLL_RSP_RATE_MASK | 0xc000);
1140 wm8350_codec_write(codec, WM8350_FLL_CONTROL_1,
1141 fll_1 | (fll_div.div << 8) | 0x50);
1142 wm8350_codec_write(codec, WM8350_FLL_CONTROL_2,
1143 (fll_div.ratio << 11) | (fll_div.
1144 n & WM8350_FLL_N_MASK));
1145 wm8350_codec_write(codec, WM8350_FLL_CONTROL_3, fll_div.k);
1146 fll_4 = wm8350_codec_read(codec, WM8350_FLL_CONTROL_4) &
1147 ~(WM8350_FLL_FRAC | WM8350_FLL_SLOW_LOCK_REF);
1148 wm8350_codec_write(codec, WM8350_FLL_CONTROL_4,
1149 fll_4 | (fll_div.k ? WM8350_FLL_FRAC : 0) |
1150 (fll_div.ratio == 8 ? WM8350_FLL_SLOW_LOCK_REF : 0));
1151
1152 /* power FLL on */
1153 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_FLL_OSC_ENA);
1154 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_FLL_ENA);
1155
1156 priv->fll_freq_out = freq_out;
1157 priv->fll_freq_in = freq_in;
1158
1159 return 0;
1160 }
1161
1162 static int wm8350_set_bias_level(struct snd_soc_codec *codec,
1163 enum snd_soc_bias_level level)
1164 {
1165 struct wm8350 *wm8350 = codec->control_data;
1166 struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1167 struct wm8350_audio_platform_data *platform =
1168 wm8350->codec.platform_data;
1169 u16 pm1;
1170 int ret;
1171
1172 switch (level) {
1173 case SND_SOC_BIAS_ON:
1174 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1175 ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK);
1176 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1177 pm1 | WM8350_VMID_50K |
1178 platform->codec_current_on << 14);
1179 break;
1180
1181 case SND_SOC_BIAS_PREPARE:
1182 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1);
1183 pm1 &= ~WM8350_VMID_MASK;
1184 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1185 pm1 | WM8350_VMID_50K);
1186 break;
1187
1188 case SND_SOC_BIAS_STANDBY:
1189 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1190 ret = regulator_bulk_enable(ARRAY_SIZE(priv->supplies),
1191 priv->supplies);
1192 if (ret != 0)
1193 return ret;
1194
1195 /* Enable the system clock */
1196 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4,
1197 WM8350_SYSCLK_ENA);
1198
1199 /* mute DAC & outputs */
1200 wm8350_set_bits(wm8350, WM8350_DAC_MUTE,
1201 WM8350_DAC_MUTE_ENA);
1202
1203 /* discharge cap memory */
1204 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1205 platform->dis_out1 |
1206 (platform->dis_out2 << 2) |
1207 (platform->dis_out3 << 4) |
1208 (platform->dis_out4 << 6));
1209
1210 /* wait for discharge */
1211 schedule_timeout_interruptible(msecs_to_jiffies
1212 (platform->
1213 cap_discharge_msecs));
1214
1215 /* enable antipop */
1216 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1217 (platform->vmid_s_curve << 8));
1218
1219 /* ramp up vmid */
1220 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1221 (platform->
1222 codec_current_charge << 14) |
1223 WM8350_VMID_5K | WM8350_VMIDEN |
1224 WM8350_VBUFEN);
1225
1226 /* wait for vmid */
1227 schedule_timeout_interruptible(msecs_to_jiffies
1228 (platform->
1229 vmid_charge_msecs));
1230
1231 /* turn on vmid 300k */
1232 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1233 ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK);
1234 pm1 |= WM8350_VMID_300K |
1235 (platform->codec_current_standby << 14);
1236 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1237 pm1);
1238
1239
1240 /* enable analogue bias */
1241 pm1 |= WM8350_BIASEN;
1242 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1);
1243
1244 /* disable antipop */
1245 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 0);
1246
1247 } else {
1248 /* turn on vmid 300k and reduce current */
1249 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1250 ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK);
1251 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1252 pm1 | WM8350_VMID_300K |
1253 (platform->
1254 codec_current_standby << 14));
1255
1256 }
1257 break;
1258
1259 case SND_SOC_BIAS_OFF:
1260
1261 /* mute DAC & enable outputs */
1262 wm8350_set_bits(wm8350, WM8350_DAC_MUTE, WM8350_DAC_MUTE_ENA);
1263
1264 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_3,
1265 WM8350_OUT1L_ENA | WM8350_OUT1R_ENA |
1266 WM8350_OUT2L_ENA | WM8350_OUT2R_ENA);
1267
1268 /* enable anti pop S curve */
1269 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1270 (platform->vmid_s_curve << 8));
1271
1272 /* turn off vmid */
1273 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1274 ~WM8350_VMIDEN;
1275 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1);
1276
1277 /* wait */
1278 schedule_timeout_interruptible(msecs_to_jiffies
1279 (platform->
1280 vmid_discharge_msecs));
1281
1282 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1283 (platform->vmid_s_curve << 8) |
1284 platform->dis_out1 |
1285 (platform->dis_out2 << 2) |
1286 (platform->dis_out3 << 4) |
1287 (platform->dis_out4 << 6));
1288
1289 /* turn off VBuf and drain */
1290 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1291 ~(WM8350_VBUFEN | WM8350_VMID_MASK);
1292 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1293 pm1 | WM8350_OUTPUT_DRAIN_EN);
1294
1295 /* wait */
1296 schedule_timeout_interruptible(msecs_to_jiffies
1297 (platform->drain_msecs));
1298
1299 pm1 &= ~WM8350_BIASEN;
1300 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1);
1301
1302 /* disable anti-pop */
1303 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 0);
1304
1305 wm8350_clear_bits(wm8350, WM8350_LOUT1_VOLUME,
1306 WM8350_OUT1L_ENA);
1307 wm8350_clear_bits(wm8350, WM8350_ROUT1_VOLUME,
1308 WM8350_OUT1R_ENA);
1309 wm8350_clear_bits(wm8350, WM8350_LOUT2_VOLUME,
1310 WM8350_OUT2L_ENA);
1311 wm8350_clear_bits(wm8350, WM8350_ROUT2_VOLUME,
1312 WM8350_OUT2R_ENA);
1313
1314 /* disable clock gen */
1315 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4,
1316 WM8350_SYSCLK_ENA);
1317
1318 regulator_bulk_disable(ARRAY_SIZE(priv->supplies),
1319 priv->supplies);
1320 break;
1321 }
1322 codec->dapm.bias_level = level;
1323 return 0;
1324 }
1325
1326 static int wm8350_suspend(struct snd_soc_codec *codec, pm_message_t state)
1327 {
1328 wm8350_set_bias_level(codec, SND_SOC_BIAS_OFF);
1329 return 0;
1330 }
1331
1332 static int wm8350_resume(struct snd_soc_codec *codec)
1333 {
1334 wm8350_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1335
1336 return 0;
1337 }
1338
1339 static irqreturn_t wm8350_hp_jack_handler(int irq, void *data)
1340 {
1341 struct wm8350_data *priv = data;
1342 struct wm8350 *wm8350 = priv->codec.control_data;
1343 u16 reg;
1344 int report;
1345 int mask;
1346 struct wm8350_jack_data *jack = NULL;
1347
1348 switch (irq - wm8350->irq_base) {
1349 case WM8350_IRQ_CODEC_JCK_DET_L:
1350 jack = &priv->hpl;
1351 mask = WM8350_JACK_L_LVL;
1352 break;
1353
1354 case WM8350_IRQ_CODEC_JCK_DET_R:
1355 jack = &priv->hpr;
1356 mask = WM8350_JACK_R_LVL;
1357 break;
1358
1359 default:
1360 BUG();
1361 }
1362
1363 if (!jack->jack) {
1364 dev_warn(wm8350->dev, "Jack interrupt called with no jack\n");
1365 return IRQ_NONE;
1366 }
1367
1368 /* Debounce */
1369 msleep(200);
1370
1371 reg = wm8350_reg_read(wm8350, WM8350_JACK_PIN_STATUS);
1372 if (reg & mask)
1373 report = jack->report;
1374 else
1375 report = 0;
1376
1377 snd_soc_jack_report(jack->jack, report, jack->report);
1378
1379 return IRQ_HANDLED;
1380 }
1381
1382 /**
1383 * wm8350_hp_jack_detect - Enable headphone jack detection.
1384 *
1385 * @codec: WM8350 codec
1386 * @which: left or right jack detect signal
1387 * @jack: jack to report detection events on
1388 * @report: value to report
1389 *
1390 * Enables the headphone jack detection of the WM8350. If no report
1391 * is specified then detection is disabled.
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 = snd_soc_codec_get_drvdata(codec);
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 if (report) {
1421 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA);
1422 wm8350_set_bits(wm8350, WM8350_JACK_DETECT, ena);
1423 } else {
1424 wm8350_clear_bits(wm8350, WM8350_JACK_DETECT, ena);
1425 }
1426
1427 /* Sync status */
1428 wm8350_hp_jack_handler(irq + wm8350->irq_base, priv);
1429
1430 return 0;
1431 }
1432 EXPORT_SYMBOL_GPL(wm8350_hp_jack_detect);
1433
1434 static irqreturn_t wm8350_mic_handler(int irq, void *data)
1435 {
1436 struct wm8350_data *priv = data;
1437 struct wm8350 *wm8350 = priv->codec.control_data;
1438 u16 reg;
1439 int report = 0;
1440
1441 reg = wm8350_reg_read(wm8350, WM8350_JACK_PIN_STATUS);
1442 if (reg & WM8350_JACK_MICSCD_LVL)
1443 report |= priv->mic.short_report;
1444 if (reg & WM8350_JACK_MICSD_LVL)
1445 report |= priv->mic.report;
1446
1447 snd_soc_jack_report(priv->mic.jack, report,
1448 priv->mic.report | priv->mic.short_report);
1449
1450 return IRQ_HANDLED;
1451 }
1452
1453 /**
1454 * wm8350_mic_jack_detect - Enable microphone jack detection.
1455 *
1456 * @codec: WM8350 codec
1457 * @jack: jack to report detection events on
1458 * @detect_report: value to report when presence detected
1459 * @short_report: value to report when microphone short detected
1460 *
1461 * Enables the microphone jack detection of the WM8350. If both reports
1462 * are specified as zero then detection is disabled.
1463 */
1464 int wm8350_mic_jack_detect(struct snd_soc_codec *codec,
1465 struct snd_soc_jack *jack,
1466 int detect_report, int short_report)
1467 {
1468 struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1469 struct wm8350 *wm8350 = codec->control_data;
1470
1471 priv->mic.jack = jack;
1472 priv->mic.report = detect_report;
1473 priv->mic.short_report = short_report;
1474
1475 if (detect_report || short_report) {
1476 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA);
1477 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_1,
1478 WM8350_MIC_DET_ENA);
1479 } else {
1480 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_1,
1481 WM8350_MIC_DET_ENA);
1482 }
1483
1484 return 0;
1485 }
1486 EXPORT_SYMBOL_GPL(wm8350_mic_jack_detect);
1487
1488 #define WM8350_RATES (SNDRV_PCM_RATE_8000_96000)
1489
1490 #define WM8350_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
1491 SNDRV_PCM_FMTBIT_S20_3LE |\
1492 SNDRV_PCM_FMTBIT_S24_LE)
1493
1494 static struct snd_soc_dai_ops wm8350_dai_ops = {
1495 .hw_params = wm8350_pcm_hw_params,
1496 .digital_mute = wm8350_mute,
1497 .trigger = wm8350_pcm_trigger,
1498 .set_fmt = wm8350_set_dai_fmt,
1499 .set_sysclk = wm8350_set_dai_sysclk,
1500 .set_pll = wm8350_set_fll,
1501 .set_clkdiv = wm8350_set_clkdiv,
1502 };
1503
1504 static struct snd_soc_dai_driver wm8350_dai = {
1505 .name = "wm8350-hifi",
1506 .playback = {
1507 .stream_name = "Playback",
1508 .channels_min = 1,
1509 .channels_max = 2,
1510 .rates = WM8350_RATES,
1511 .formats = WM8350_FORMATS,
1512 },
1513 .capture = {
1514 .stream_name = "Capture",
1515 .channels_min = 1,
1516 .channels_max = 2,
1517 .rates = WM8350_RATES,
1518 .formats = WM8350_FORMATS,
1519 },
1520 .ops = &wm8350_dai_ops,
1521 };
1522
1523 static int wm8350_codec_probe(struct snd_soc_codec *codec)
1524 {
1525 struct wm8350 *wm8350 = dev_get_platdata(codec->dev);
1526 struct wm8350_data *priv;
1527 struct wm8350_output *out1;
1528 struct wm8350_output *out2;
1529 int ret, i;
1530
1531 if (wm8350->codec.platform_data == NULL) {
1532 dev_err(codec->dev, "No audio platform data supplied\n");
1533 return -EINVAL;
1534 }
1535
1536 priv = kzalloc(sizeof(struct wm8350_data), GFP_KERNEL);
1537 if (priv == NULL)
1538 return -ENOMEM;
1539 snd_soc_codec_set_drvdata(codec, priv);
1540
1541 for (i = 0; i < ARRAY_SIZE(supply_names); i++)
1542 priv->supplies[i].supply = supply_names[i];
1543
1544 ret = regulator_bulk_get(wm8350->dev, ARRAY_SIZE(priv->supplies),
1545 priv->supplies);
1546 if (ret != 0)
1547 goto err_priv;
1548
1549 wm8350->codec.codec = codec;
1550 codec->control_data = wm8350;
1551
1552 /* Put the codec into reset if it wasn't already */
1553 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA);
1554
1555 INIT_DELAYED_WORK(&codec->dapm.delayed_work, wm8350_pga_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 jack detect is disabled to start off with */
1592 wm8350_clear_bits(wm8350, WM8350_JACK_DETECT,
1593 WM8350_JDL_ENA | WM8350_JDR_ENA);
1594
1595 wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L,
1596 wm8350_hp_jack_handler, 0, "Left jack detect",
1597 priv);
1598 wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R,
1599 wm8350_hp_jack_handler, 0, "Right jack detect",
1600 priv);
1601 wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_MICSCD,
1602 wm8350_mic_handler, 0, "Microphone short", priv);
1603 wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_MICD,
1604 wm8350_mic_handler, 0, "Microphone detect", priv);
1605
1606
1607 snd_soc_add_controls(codec, wm8350_snd_controls,
1608 ARRAY_SIZE(wm8350_snd_controls));
1609 wm8350_add_widgets(codec);
1610
1611 wm8350_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1612
1613 return 0;
1614
1615 err_priv:
1616 kfree(priv);
1617 return ret;
1618 }
1619
1620 static int wm8350_codec_remove(struct snd_soc_codec *codec)
1621 {
1622 struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1623 struct wm8350 *wm8350 = dev_get_platdata(codec->dev);
1624 int ret;
1625
1626 wm8350_clear_bits(wm8350, WM8350_JACK_DETECT,
1627 WM8350_JDL_ENA | WM8350_JDR_ENA);
1628 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA);
1629
1630 wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_MICD, priv);
1631 wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_MICSCD, priv);
1632 wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L, priv);
1633 wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R, priv);
1634
1635 priv->hpl.jack = NULL;
1636 priv->hpr.jack = NULL;
1637 priv->mic.jack = NULL;
1638
1639 /* cancel any work waiting to be queued. */
1640 ret = cancel_delayed_work(&codec->dapm.delayed_work);
1641
1642 /* if there was any work waiting then we run it now and
1643 * wait for its completion */
1644 if (ret) {
1645 schedule_delayed_work(&codec->dapm.delayed_work, 0);
1646 flush_scheduled_work();
1647 }
1648
1649 wm8350_set_bias_level(codec, SND_SOC_BIAS_OFF);
1650
1651 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA);
1652
1653 regulator_bulk_free(ARRAY_SIZE(priv->supplies), priv->supplies);
1654 kfree(priv);
1655 return 0;
1656 }
1657
1658 static struct snd_soc_codec_driver soc_codec_dev_wm8350 = {
1659 .probe = wm8350_codec_probe,
1660 .remove = wm8350_codec_remove,
1661 .suspend = wm8350_suspend,
1662 .resume = wm8350_resume,
1663 .read = wm8350_codec_read,
1664 .write = wm8350_codec_write,
1665 .set_bias_level = wm8350_set_bias_level,
1666 };
1667
1668 static int __devinit wm8350_probe(struct platform_device *pdev)
1669 {
1670 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8350,
1671 &wm8350_dai, 1);
1672 }
1673
1674 static int __devexit wm8350_remove(struct platform_device *pdev)
1675 {
1676 snd_soc_unregister_codec(&pdev->dev);
1677 return 0;
1678 }
1679
1680 static struct platform_driver wm8350_codec_driver = {
1681 .driver = {
1682 .name = "wm8350-codec",
1683 .owner = THIS_MODULE,
1684 },
1685 .probe = wm8350_probe,
1686 .remove = __devexit_p(wm8350_remove),
1687 };
1688
1689 static __init int wm8350_init(void)
1690 {
1691 return platform_driver_register(&wm8350_codec_driver);
1692 }
1693 module_init(wm8350_init);
1694
1695 static __exit void wm8350_exit(void)
1696 {
1697 platform_driver_unregister(&wm8350_codec_driver);
1698 }
1699 module_exit(wm8350_exit);
1700
1701 MODULE_DESCRIPTION("ASoC WM8350 driver");
1702 MODULE_AUTHOR("Liam Girdwood");
1703 MODULE_LICENSE("GPL");
1704 MODULE_ALIAS("platform:wm8350-codec");
Linux kernel - Deliverables
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