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Linux 3.8-rc7
[cris-mirror.git] / sound / soc / codecs / wm8350.c
blobfb92fb47d636c1a92d04d1633b9aacf2d42b31d7
1 /*
2 * wm8350.c -- WM8350 ALSA SoC audio driver
3 *
4 * Copyright (C) 2007-12 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 wm8350 *wm8350;
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 /*
75 * Ramp OUT1 PGA volume to minimise pops at stream startup and shutdown.
76 */
77 static inline int wm8350_out1_ramp_step(struct snd_soc_codec *codec)
78 {
79 struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
80 struct wm8350_output *out1 = &wm8350_data->out1;
81 struct wm8350 *wm8350 = wm8350_data->wm8350;
82 int left_complete = 0, right_complete = 0;
83 u16 reg, val;
84
85 /* left channel */
86 reg = wm8350_reg_read(wm8350, WM8350_LOUT1_VOLUME);
87 val = (reg & WM8350_OUT1L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
88
89 if (out1->ramp == WM8350_RAMP_UP) {
90 /* ramp step up */
91 if (val < out1->left_vol) {
92 val++;
93 reg &= ~WM8350_OUT1L_VOL_MASK;
94 wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME,
95 reg | (val << WM8350_OUT1L_VOL_SHIFT));
96 } else
97 left_complete = 1;
98 } else if (out1->ramp == WM8350_RAMP_DOWN) {
99 /* ramp step down */
100 if (val > 0) {
101 val--;
102 reg &= ~WM8350_OUT1L_VOL_MASK;
103 wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME,
104 reg | (val << WM8350_OUT1L_VOL_SHIFT));
105 } else
106 left_complete = 1;
107 } else
108 return 1;
109
110 /* right channel */
111 reg = wm8350_reg_read(wm8350, WM8350_ROUT1_VOLUME);
112 val = (reg & WM8350_OUT1R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
113 if (out1->ramp == WM8350_RAMP_UP) {
114 /* ramp step up */
115 if (val < out1->right_vol) {
116 val++;
117 reg &= ~WM8350_OUT1R_VOL_MASK;
118 wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME,
119 reg | (val << WM8350_OUT1R_VOL_SHIFT));
120 } else
121 right_complete = 1;
122 } else if (out1->ramp == WM8350_RAMP_DOWN) {
123 /* ramp step down */
124 if (val > 0) {
125 val--;
126 reg &= ~WM8350_OUT1R_VOL_MASK;
127 wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME,
128 reg | (val << WM8350_OUT1R_VOL_SHIFT));
129 } else
130 right_complete = 1;
131 }
132
133 /* only hit the update bit if either volume has changed this step */
134 if (!left_complete || !right_complete)
135 wm8350_set_bits(wm8350, WM8350_LOUT1_VOLUME, WM8350_OUT1_VU);
136
137 return left_complete & right_complete;
138 }
139
140 /*
141 * Ramp OUT2 PGA volume to minimise pops at stream startup and shutdown.
142 */
143 static inline int wm8350_out2_ramp_step(struct snd_soc_codec *codec)
144 {
145 struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
146 struct wm8350_output *out2 = &wm8350_data->out2;
147 struct wm8350 *wm8350 = wm8350_data->wm8350;
148 int left_complete = 0, right_complete = 0;
149 u16 reg, val;
150
151 /* left channel */
152 reg = wm8350_reg_read(wm8350, WM8350_LOUT2_VOLUME);
153 val = (reg & WM8350_OUT2L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
154 if (out2->ramp == WM8350_RAMP_UP) {
155 /* ramp step up */
156 if (val < out2->left_vol) {
157 val++;
158 reg &= ~WM8350_OUT2L_VOL_MASK;
159 wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME,
160 reg | (val << WM8350_OUT1L_VOL_SHIFT));
161 } else
162 left_complete = 1;
163 } else if (out2->ramp == WM8350_RAMP_DOWN) {
164 /* ramp step down */
165 if (val > 0) {
166 val--;
167 reg &= ~WM8350_OUT2L_VOL_MASK;
168 wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME,
169 reg | (val << WM8350_OUT1L_VOL_SHIFT));
170 } else
171 left_complete = 1;
172 } else
173 return 1;
174
175 /* right channel */
176 reg = wm8350_reg_read(wm8350, WM8350_ROUT2_VOLUME);
177 val = (reg & WM8350_OUT2R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
178 if (out2->ramp == WM8350_RAMP_UP) {
179 /* ramp step up */
180 if (val < out2->right_vol) {
181 val++;
182 reg &= ~WM8350_OUT2R_VOL_MASK;
183 wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME,
184 reg | (val << WM8350_OUT1R_VOL_SHIFT));
185 } else
186 right_complete = 1;
187 } else if (out2->ramp == WM8350_RAMP_DOWN) {
188 /* ramp step down */
189 if (val > 0) {
190 val--;
191 reg &= ~WM8350_OUT2R_VOL_MASK;
192 wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME,
193 reg | (val << WM8350_OUT1R_VOL_SHIFT));
194 } else
195 right_complete = 1;
196 }
197
198 /* only hit the update bit if either volume has changed this step */
199 if (!left_complete || !right_complete)
200 wm8350_set_bits(wm8350, WM8350_LOUT2_VOLUME, WM8350_OUT2_VU);
201
202 return left_complete & right_complete;
203 }
204
205 /*
206 * This work ramps both output PGAs at stream start/stop time to
207 * minimise pop associated with DAPM power switching.
208 * It's best to enable Zero Cross when ramping occurs to minimise any
209 * zipper noises.
210 */
211 static void wm8350_pga_work(struct work_struct *work)
212 {
213 struct snd_soc_dapm_context *dapm =
214 container_of(work, struct snd_soc_dapm_context, delayed_work.work);
215 struct snd_soc_codec *codec = dapm->codec;
216 struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
217 struct wm8350_output *out1 = &wm8350_data->out1,
218 *out2 = &wm8350_data->out2;
219 int i, out1_complete, out2_complete;
220
221 /* do we need to ramp at all ? */
222 if (out1->ramp == WM8350_RAMP_NONE && out2->ramp == WM8350_RAMP_NONE)
223 return;
224
225 /* PGA volumes have 6 bits of resolution to ramp */
226 for (i = 0; i <= 63; i++) {
227 out1_complete = 1, out2_complete = 1;
228 if (out1->ramp != WM8350_RAMP_NONE)
229 out1_complete = wm8350_out1_ramp_step(codec);
230 if (out2->ramp != WM8350_RAMP_NONE)
231 out2_complete = wm8350_out2_ramp_step(codec);
232
233 /* ramp finished ? */
234 if (out1_complete && out2_complete)
235 break;
236
237 /* we need to delay longer on the up ramp */
238 if (out1->ramp == WM8350_RAMP_UP ||
239 out2->ramp == WM8350_RAMP_UP) {
240 /* delay is longer over 0dB as increases are larger */
241 if (i >= WM8350_OUTn_0dB)
242 schedule_timeout_interruptible(msecs_to_jiffies
243 (2));
244 else
245 schedule_timeout_interruptible(msecs_to_jiffies
246 (1));
247 } else
248 udelay(50); /* doesn't matter if we delay longer */
249 }
250
251 out1->ramp = WM8350_RAMP_NONE;
252 out2->ramp = WM8350_RAMP_NONE;
253 }
254
255 /*
256 * WM8350 Controls
257 */
258
259 static int pga_event(struct snd_soc_dapm_widget *w,
260 struct snd_kcontrol *kcontrol, int event)
261 {
262 struct snd_soc_codec *codec = w->codec;
263 struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
264 struct wm8350_output *out;
265
266 switch (w->shift) {
267 case 0:
268 case 1:
269 out = &wm8350_data->out1;
270 break;
271 case 2:
272 case 3:
273 out = &wm8350_data->out2;
274 break;
275
276 default:
277 BUG();
278 return -1;
279 }
280
281 switch (event) {
282 case SND_SOC_DAPM_POST_PMU:
283 out->ramp = WM8350_RAMP_UP;
284 out->active = 1;
285
286 if (!delayed_work_pending(&codec->dapm.delayed_work))
287 schedule_delayed_work(&codec->dapm.delayed_work,
288 msecs_to_jiffies(1));
289 break;
290
291 case SND_SOC_DAPM_PRE_PMD:
292 out->ramp = WM8350_RAMP_DOWN;
293 out->active = 0;
294
295 if (!delayed_work_pending(&codec->dapm.delayed_work))
296 schedule_delayed_work(&codec->dapm.delayed_work,
297 msecs_to_jiffies(1));
298 break;
299 }
300
301 return 0;
302 }
303
304 static int wm8350_put_volsw_2r_vu(struct snd_kcontrol *kcontrol,
305 struct snd_ctl_elem_value *ucontrol)
306 {
307 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
308 struct wm8350_data *wm8350_priv = snd_soc_codec_get_drvdata(codec);
309 struct wm8350_output *out = NULL;
310 struct soc_mixer_control *mc =
311 (struct soc_mixer_control *)kcontrol->private_value;
312 int ret;
313 unsigned int reg = mc->reg;
314 u16 val;
315
316 /* For OUT1 and OUT2 we shadow the values and only actually write
317 * them out when active in order to ensure the amplifier comes on
318 * as quietly as possible. */
319 switch (reg) {
320 case WM8350_LOUT1_VOLUME:
321 out = &wm8350_priv->out1;
322 break;
323 case WM8350_LOUT2_VOLUME:
324 out = &wm8350_priv->out2;
325 break;
326 default:
327 break;
328 }
329
330 if (out) {
331 out->left_vol = ucontrol->value.integer.value[0];
332 out->right_vol = ucontrol->value.integer.value[1];
333 if (!out->active)
334 return 1;
335 }
336
337 ret = snd_soc_put_volsw(kcontrol, ucontrol);
338 if (ret < 0)
339 return ret;
340
341 /* now hit the volume update bits (always bit 8) */
342 val = snd_soc_read(codec, reg);
343 snd_soc_write(codec, reg, val | WM8350_OUT1_VU);
344 return 1;
345 }
346
347 static int wm8350_get_volsw_2r(struct snd_kcontrol *kcontrol,
348 struct snd_ctl_elem_value *ucontrol)
349 {
350 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
351 struct wm8350_data *wm8350_priv = snd_soc_codec_get_drvdata(codec);
352 struct wm8350_output *out1 = &wm8350_priv->out1;
353 struct wm8350_output *out2 = &wm8350_priv->out2;
354 struct soc_mixer_control *mc =
355 (struct soc_mixer_control *)kcontrol->private_value;
356 unsigned int reg = mc->reg;
357
358 /* If these are cached registers use the cache */
359 switch (reg) {
360 case WM8350_LOUT1_VOLUME:
361 ucontrol->value.integer.value[0] = out1->left_vol;
362 ucontrol->value.integer.value[1] = out1->right_vol;
363 return 0;
364
365 case WM8350_LOUT2_VOLUME:
366 ucontrol->value.integer.value[0] = out2->left_vol;
367 ucontrol->value.integer.value[1] = out2->right_vol;
368 return 0;
369
370 default:
371 break;
372 }
373
374 return snd_soc_get_volsw(kcontrol, ucontrol);
375 }
376
377 static const char *wm8350_deemp[] = { "None", "32kHz", "44.1kHz", "48kHz" };
378 static const char *wm8350_pol[] = { "Normal", "Inv R", "Inv L", "Inv L & R" };
379 static const char *wm8350_dacmutem[] = { "Normal", "Soft" };
380 static const char *wm8350_dacmutes[] = { "Fast", "Slow" };
381 static const char *wm8350_adcfilter[] = { "None", "High Pass" };
382 static const char *wm8350_adchp[] = { "44.1kHz", "8kHz", "16kHz", "32kHz" };
383 static const char *wm8350_lr[] = { "Left", "Right" };
384
385 static const struct soc_enum wm8350_enum[] = {
386 SOC_ENUM_SINGLE(WM8350_DAC_CONTROL, 4, 4, wm8350_deemp),
387 SOC_ENUM_SINGLE(WM8350_DAC_CONTROL, 0, 4, wm8350_pol),
388 SOC_ENUM_SINGLE(WM8350_DAC_MUTE_VOLUME, 14, 2, wm8350_dacmutem),
389 SOC_ENUM_SINGLE(WM8350_DAC_MUTE_VOLUME, 13, 2, wm8350_dacmutes),
390 SOC_ENUM_SINGLE(WM8350_ADC_CONTROL, 15, 2, wm8350_adcfilter),
391 SOC_ENUM_SINGLE(WM8350_ADC_CONTROL, 8, 4, wm8350_adchp),
392 SOC_ENUM_SINGLE(WM8350_ADC_CONTROL, 0, 4, wm8350_pol),
393 SOC_ENUM_SINGLE(WM8350_INPUT_MIXER_VOLUME, 15, 2, wm8350_lr),
394 };
395
396 static DECLARE_TLV_DB_SCALE(pre_amp_tlv, -1200, 3525, 0);
397 static DECLARE_TLV_DB_SCALE(out_pga_tlv, -5700, 600, 0);
398 static DECLARE_TLV_DB_SCALE(dac_pcm_tlv, -7163, 36, 1);
399 static DECLARE_TLV_DB_SCALE(adc_pcm_tlv, -12700, 50, 1);
400 static DECLARE_TLV_DB_SCALE(out_mix_tlv, -1500, 300, 1);
401
402 static const unsigned int capture_sd_tlv[] = {
403 TLV_DB_RANGE_HEAD(2),
404 0, 12, TLV_DB_SCALE_ITEM(-3600, 300, 1),
405 13, 15, TLV_DB_SCALE_ITEM(0, 0, 0),
406 };
407
408 static const struct snd_kcontrol_new wm8350_snd_controls[] = {
409 SOC_ENUM("Playback Deemphasis", wm8350_enum[0]),
410 SOC_ENUM("Playback DAC Inversion", wm8350_enum[1]),
411 SOC_DOUBLE_R_EXT_TLV("Playback PCM Volume",
412 WM8350_DAC_DIGITAL_VOLUME_L,
413 WM8350_DAC_DIGITAL_VOLUME_R,
414 0, 255, 0, wm8350_get_volsw_2r,
415 wm8350_put_volsw_2r_vu, dac_pcm_tlv),
416 SOC_ENUM("Playback PCM Mute Function", wm8350_enum[2]),
417 SOC_ENUM("Playback PCM Mute Speed", wm8350_enum[3]),
418 SOC_ENUM("Capture PCM Filter", wm8350_enum[4]),
419 SOC_ENUM("Capture PCM HP Filter", wm8350_enum[5]),
420 SOC_ENUM("Capture ADC Inversion", wm8350_enum[6]),
421 SOC_DOUBLE_R_EXT_TLV("Capture PCM Volume",
422 WM8350_ADC_DIGITAL_VOLUME_L,
423 WM8350_ADC_DIGITAL_VOLUME_R,
424 0, 255, 0, wm8350_get_volsw_2r,
425 wm8350_put_volsw_2r_vu, adc_pcm_tlv),
426 SOC_DOUBLE_TLV("Capture Sidetone Volume",
427 WM8350_ADC_DIVIDER,
428 8, 4, 15, 1, capture_sd_tlv),
429 SOC_DOUBLE_R_EXT_TLV("Capture Volume",
430 WM8350_LEFT_INPUT_VOLUME,
431 WM8350_RIGHT_INPUT_VOLUME,
432 2, 63, 0, wm8350_get_volsw_2r,
433 wm8350_put_volsw_2r_vu, pre_amp_tlv),
434 SOC_DOUBLE_R("Capture ZC Switch",
435 WM8350_LEFT_INPUT_VOLUME,
436 WM8350_RIGHT_INPUT_VOLUME, 13, 1, 0),
437 SOC_SINGLE_TLV("Left Input Left Sidetone Volume",
438 WM8350_OUTPUT_LEFT_MIXER_VOLUME, 1, 7, 0, out_mix_tlv),
439 SOC_SINGLE_TLV("Left Input Right Sidetone Volume",
440 WM8350_OUTPUT_LEFT_MIXER_VOLUME,
441 5, 7, 0, out_mix_tlv),
442 SOC_SINGLE_TLV("Left Input Bypass Volume",
443 WM8350_OUTPUT_LEFT_MIXER_VOLUME,
444 9, 7, 0, out_mix_tlv),
445 SOC_SINGLE_TLV("Right Input Left Sidetone Volume",
446 WM8350_OUTPUT_RIGHT_MIXER_VOLUME,
447 1, 7, 0, out_mix_tlv),
448 SOC_SINGLE_TLV("Right Input Right Sidetone Volume",
449 WM8350_OUTPUT_RIGHT_MIXER_VOLUME,
450 5, 7, 0, out_mix_tlv),
451 SOC_SINGLE_TLV("Right Input Bypass Volume",
452 WM8350_OUTPUT_RIGHT_MIXER_VOLUME,
453 13, 7, 0, out_mix_tlv),
454 SOC_SINGLE("Left Input Mixer +20dB Switch",
455 WM8350_INPUT_MIXER_VOLUME_L, 0, 1, 0),
456 SOC_SINGLE("Right Input Mixer +20dB Switch",
457 WM8350_INPUT_MIXER_VOLUME_R, 0, 1, 0),
458 SOC_SINGLE_TLV("Out4 Capture Volume",
459 WM8350_INPUT_MIXER_VOLUME,
460 1, 7, 0, out_mix_tlv),
461 SOC_DOUBLE_R_EXT_TLV("Out1 Playback Volume",
462 WM8350_LOUT1_VOLUME,
463 WM8350_ROUT1_VOLUME,
464 2, 63, 0, wm8350_get_volsw_2r,
465 wm8350_put_volsw_2r_vu, out_pga_tlv),
466 SOC_DOUBLE_R("Out1 Playback ZC Switch",
467 WM8350_LOUT1_VOLUME,
468 WM8350_ROUT1_VOLUME, 13, 1, 0),
469 SOC_DOUBLE_R_EXT_TLV("Out2 Playback Volume",
470 WM8350_LOUT2_VOLUME,
471 WM8350_ROUT2_VOLUME,
472 2, 63, 0, wm8350_get_volsw_2r,
473 wm8350_put_volsw_2r_vu, out_pga_tlv),
474 SOC_DOUBLE_R("Out2 Playback ZC Switch", WM8350_LOUT2_VOLUME,
475 WM8350_ROUT2_VOLUME, 13, 1, 0),
476 SOC_SINGLE("Out2 Right Invert Switch", WM8350_ROUT2_VOLUME, 10, 1, 0),
477 SOC_SINGLE_TLV("Out2 Beep Volume", WM8350_BEEP_VOLUME,
478 5, 7, 0, out_mix_tlv),
479
480 SOC_DOUBLE_R("Out1 Playback Switch",
481 WM8350_LOUT1_VOLUME,
482 WM8350_ROUT1_VOLUME,
483 14, 1, 1),
484 SOC_DOUBLE_R("Out2 Playback Switch",
485 WM8350_LOUT2_VOLUME,
486 WM8350_ROUT2_VOLUME,
487 14, 1, 1),
488 };
489
490 /*
491 * DAPM Controls
492 */
493
494 /* Left Playback Mixer */
495 static const struct snd_kcontrol_new wm8350_left_play_mixer_controls[] = {
496 SOC_DAPM_SINGLE("Playback Switch",
497 WM8350_LEFT_MIXER_CONTROL, 11, 1, 0),
498 SOC_DAPM_SINGLE("Left Bypass Switch",
499 WM8350_LEFT_MIXER_CONTROL, 2, 1, 0),
500 SOC_DAPM_SINGLE("Right Playback Switch",
501 WM8350_LEFT_MIXER_CONTROL, 12, 1, 0),
502 SOC_DAPM_SINGLE("Left Sidetone Switch",
503 WM8350_LEFT_MIXER_CONTROL, 0, 1, 0),
504 SOC_DAPM_SINGLE("Right Sidetone Switch",
505 WM8350_LEFT_MIXER_CONTROL, 1, 1, 0),
506 };
507
508 /* Right Playback Mixer */
509 static const struct snd_kcontrol_new wm8350_right_play_mixer_controls[] = {
510 SOC_DAPM_SINGLE("Playback Switch",
511 WM8350_RIGHT_MIXER_CONTROL, 12, 1, 0),
512 SOC_DAPM_SINGLE("Right Bypass Switch",
513 WM8350_RIGHT_MIXER_CONTROL, 3, 1, 0),
514 SOC_DAPM_SINGLE("Left Playback Switch",
515 WM8350_RIGHT_MIXER_CONTROL, 11, 1, 0),
516 SOC_DAPM_SINGLE("Left Sidetone Switch",
517 WM8350_RIGHT_MIXER_CONTROL, 0, 1, 0),
518 SOC_DAPM_SINGLE("Right Sidetone Switch",
519 WM8350_RIGHT_MIXER_CONTROL, 1, 1, 0),
520 };
521
522 /* Out4 Mixer */
523 static const struct snd_kcontrol_new wm8350_out4_mixer_controls[] = {
524 SOC_DAPM_SINGLE("Right Playback Switch",
525 WM8350_OUT4_MIXER_CONTROL, 12, 1, 0),
526 SOC_DAPM_SINGLE("Left Playback Switch",
527 WM8350_OUT4_MIXER_CONTROL, 11, 1, 0),
528 SOC_DAPM_SINGLE("Right Capture Switch",
529 WM8350_OUT4_MIXER_CONTROL, 9, 1, 0),
530 SOC_DAPM_SINGLE("Out3 Playback Switch",
531 WM8350_OUT4_MIXER_CONTROL, 2, 1, 0),
532 SOC_DAPM_SINGLE("Right Mixer Switch",
533 WM8350_OUT4_MIXER_CONTROL, 1, 1, 0),
534 SOC_DAPM_SINGLE("Left Mixer Switch",
535 WM8350_OUT4_MIXER_CONTROL, 0, 1, 0),
536 };
537
538 /* Out3 Mixer */
539 static const struct snd_kcontrol_new wm8350_out3_mixer_controls[] = {
540 SOC_DAPM_SINGLE("Left Playback Switch",
541 WM8350_OUT3_MIXER_CONTROL, 11, 1, 0),
542 SOC_DAPM_SINGLE("Left Capture Switch",
543 WM8350_OUT3_MIXER_CONTROL, 8, 1, 0),
544 SOC_DAPM_SINGLE("Out4 Playback Switch",
545 WM8350_OUT3_MIXER_CONTROL, 3, 1, 0),
546 SOC_DAPM_SINGLE("Left Mixer Switch",
547 WM8350_OUT3_MIXER_CONTROL, 0, 1, 0),
548 };
549
550 /* Left Input Mixer */
551 static const struct snd_kcontrol_new wm8350_left_capt_mixer_controls[] = {
552 SOC_DAPM_SINGLE_TLV("L2 Capture Volume",
553 WM8350_INPUT_MIXER_VOLUME_L, 1, 7, 0, out_mix_tlv),
554 SOC_DAPM_SINGLE_TLV("L3 Capture Volume",
555 WM8350_INPUT_MIXER_VOLUME_L, 9, 7, 0, out_mix_tlv),
556 SOC_DAPM_SINGLE("PGA Capture Switch",
557 WM8350_LEFT_INPUT_VOLUME, 14, 1, 1),
558 };
559
560 /* Right Input Mixer */
561 static const struct snd_kcontrol_new wm8350_right_capt_mixer_controls[] = {
562 SOC_DAPM_SINGLE_TLV("L2 Capture Volume",
563 WM8350_INPUT_MIXER_VOLUME_R, 5, 7, 0, out_mix_tlv),
564 SOC_DAPM_SINGLE_TLV("L3 Capture Volume",
565 WM8350_INPUT_MIXER_VOLUME_R, 13, 7, 0, out_mix_tlv),
566 SOC_DAPM_SINGLE("PGA Capture Switch",
567 WM8350_RIGHT_INPUT_VOLUME, 14, 1, 1),
568 };
569
570 /* Left Mic Mixer */
571 static const struct snd_kcontrol_new wm8350_left_mic_mixer_controls[] = {
572 SOC_DAPM_SINGLE("INN Capture Switch", WM8350_INPUT_CONTROL, 1, 1, 0),
573 SOC_DAPM_SINGLE("INP Capture Switch", WM8350_INPUT_CONTROL, 0, 1, 0),
574 SOC_DAPM_SINGLE("IN2 Capture Switch", WM8350_INPUT_CONTROL, 2, 1, 0),
575 };
576
577 /* Right Mic Mixer */
578 static const struct snd_kcontrol_new wm8350_right_mic_mixer_controls[] = {
579 SOC_DAPM_SINGLE("INN Capture Switch", WM8350_INPUT_CONTROL, 9, 1, 0),
580 SOC_DAPM_SINGLE("INP Capture Switch", WM8350_INPUT_CONTROL, 8, 1, 0),
581 SOC_DAPM_SINGLE("IN2 Capture Switch", WM8350_INPUT_CONTROL, 10, 1, 0),
582 };
583
584 /* Beep Switch */
585 static const struct snd_kcontrol_new wm8350_beep_switch_controls =
586 SOC_DAPM_SINGLE("Switch", WM8350_BEEP_VOLUME, 15, 1, 1);
587
588 /* Out4 Capture Mux */
589 static const struct snd_kcontrol_new wm8350_out4_capture_controls =
590 SOC_DAPM_ENUM("Route", wm8350_enum[7]);
591
592 static const struct snd_soc_dapm_widget wm8350_dapm_widgets[] = {
593
594 SND_SOC_DAPM_PGA("IN3R PGA", WM8350_POWER_MGMT_2, 11, 0, NULL, 0),
595 SND_SOC_DAPM_PGA("IN3L PGA", WM8350_POWER_MGMT_2, 10, 0, NULL, 0),
596 SND_SOC_DAPM_PGA_E("Right Out2 PGA", WM8350_POWER_MGMT_3, 3, 0, NULL,
597 0, pga_event,
598 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
599 SND_SOC_DAPM_PGA_E("Left Out2 PGA", WM8350_POWER_MGMT_3, 2, 0, NULL, 0,
600 pga_event,
601 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
602 SND_SOC_DAPM_PGA_E("Right Out1 PGA", WM8350_POWER_MGMT_3, 1, 0, NULL,
603 0, pga_event,
604 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
605 SND_SOC_DAPM_PGA_E("Left Out1 PGA", WM8350_POWER_MGMT_3, 0, 0, NULL, 0,
606 pga_event,
607 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
608
609 SND_SOC_DAPM_MIXER("Right Capture Mixer", WM8350_POWER_MGMT_2,
610 7, 0, &wm8350_right_capt_mixer_controls[0],
611 ARRAY_SIZE(wm8350_right_capt_mixer_controls)),
612
613 SND_SOC_DAPM_MIXER("Left Capture Mixer", WM8350_POWER_MGMT_2,
614 6, 0, &wm8350_left_capt_mixer_controls[0],
615 ARRAY_SIZE(wm8350_left_capt_mixer_controls)),
616
617 SND_SOC_DAPM_MIXER("Out4 Mixer", WM8350_POWER_MGMT_2, 5, 0,
618 &wm8350_out4_mixer_controls[0],
619 ARRAY_SIZE(wm8350_out4_mixer_controls)),
620
621 SND_SOC_DAPM_MIXER("Out3 Mixer", WM8350_POWER_MGMT_2, 4, 0,
622 &wm8350_out3_mixer_controls[0],
623 ARRAY_SIZE(wm8350_out3_mixer_controls)),
624
625 SND_SOC_DAPM_MIXER("Right Playback Mixer", WM8350_POWER_MGMT_2, 1, 0,
626 &wm8350_right_play_mixer_controls[0],
627 ARRAY_SIZE(wm8350_right_play_mixer_controls)),
628
629 SND_SOC_DAPM_MIXER("Left Playback Mixer", WM8350_POWER_MGMT_2, 0, 0,
630 &wm8350_left_play_mixer_controls[0],
631 ARRAY_SIZE(wm8350_left_play_mixer_controls)),
632
633 SND_SOC_DAPM_MIXER("Left Mic Mixer", WM8350_POWER_MGMT_2, 8, 0,
634 &wm8350_left_mic_mixer_controls[0],
635 ARRAY_SIZE(wm8350_left_mic_mixer_controls)),
636
637 SND_SOC_DAPM_MIXER("Right Mic Mixer", WM8350_POWER_MGMT_2, 9, 0,
638 &wm8350_right_mic_mixer_controls[0],
639 ARRAY_SIZE(wm8350_right_mic_mixer_controls)),
640
641 /* virtual mixer for Beep and Out2R */
642 SND_SOC_DAPM_MIXER("Out2 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
643
644 SND_SOC_DAPM_SWITCH("Beep", WM8350_POWER_MGMT_3, 7, 0,
645 &wm8350_beep_switch_controls),
646
647 SND_SOC_DAPM_ADC("Right ADC", "Right Capture",
648 WM8350_POWER_MGMT_4, 3, 0),
649 SND_SOC_DAPM_ADC("Left ADC", "Left Capture",
650 WM8350_POWER_MGMT_4, 2, 0),
651 SND_SOC_DAPM_DAC("Right DAC", "Right Playback",
652 WM8350_POWER_MGMT_4, 5, 0),
653 SND_SOC_DAPM_DAC("Left DAC", "Left Playback",
654 WM8350_POWER_MGMT_4, 4, 0),
655
656 SND_SOC_DAPM_MICBIAS("Mic Bias", WM8350_POWER_MGMT_1, 4, 0),
657
658 SND_SOC_DAPM_MUX("Out4 Capture Channel", SND_SOC_NOPM, 0, 0,
659 &wm8350_out4_capture_controls),
660
661 SND_SOC_DAPM_OUTPUT("OUT1R"),
662 SND_SOC_DAPM_OUTPUT("OUT1L"),
663 SND_SOC_DAPM_OUTPUT("OUT2R"),
664 SND_SOC_DAPM_OUTPUT("OUT2L"),
665 SND_SOC_DAPM_OUTPUT("OUT3"),
666 SND_SOC_DAPM_OUTPUT("OUT4"),
667
668 SND_SOC_DAPM_INPUT("IN1RN"),
669 SND_SOC_DAPM_INPUT("IN1RP"),
670 SND_SOC_DAPM_INPUT("IN2R"),
671 SND_SOC_DAPM_INPUT("IN1LP"),
672 SND_SOC_DAPM_INPUT("IN1LN"),
673 SND_SOC_DAPM_INPUT("IN2L"),
674 SND_SOC_DAPM_INPUT("IN3R"),
675 SND_SOC_DAPM_INPUT("IN3L"),
676 };
677
678 static const struct snd_soc_dapm_route wm8350_dapm_routes[] = {
679
680 /* left playback mixer */
681 {"Left Playback Mixer", "Playback Switch", "Left DAC"},
682 {"Left Playback Mixer", "Left Bypass Switch", "IN3L PGA"},
683 {"Left Playback Mixer", "Right Playback Switch", "Right DAC"},
684 {"Left Playback Mixer", "Left Sidetone Switch", "Left Mic Mixer"},
685 {"Left Playback Mixer", "Right Sidetone Switch", "Right Mic Mixer"},
686
687 /* right playback mixer */
688 {"Right Playback Mixer", "Playback Switch", "Right DAC"},
689 {"Right Playback Mixer", "Right Bypass Switch", "IN3R PGA"},
690 {"Right Playback Mixer", "Left Playback Switch", "Left DAC"},
691 {"Right Playback Mixer", "Left Sidetone Switch", "Left Mic Mixer"},
692 {"Right Playback Mixer", "Right Sidetone Switch", "Right Mic Mixer"},
693
694 /* out4 playback mixer */
695 {"Out4 Mixer", "Right Playback Switch", "Right DAC"},
696 {"Out4 Mixer", "Left Playback Switch", "Left DAC"},
697 {"Out4 Mixer", "Right Capture Switch", "Right Capture Mixer"},
698 {"Out4 Mixer", "Out3 Playback Switch", "Out3 Mixer"},
699 {"Out4 Mixer", "Right Mixer Switch", "Right Playback Mixer"},
700 {"Out4 Mixer", "Left Mixer Switch", "Left Playback Mixer"},
701 {"OUT4", NULL, "Out4 Mixer"},
702
703 /* out3 playback mixer */
704 {"Out3 Mixer", "Left Playback Switch", "Left DAC"},
705 {"Out3 Mixer", "Left Capture Switch", "Left Capture Mixer"},
706 {"Out3 Mixer", "Left Mixer Switch", "Left Playback Mixer"},
707 {"Out3 Mixer", "Out4 Playback Switch", "Out4 Mixer"},
708 {"OUT3", NULL, "Out3 Mixer"},
709
710 /* out2 */
711 {"Right Out2 PGA", NULL, "Right Playback Mixer"},
712 {"Left Out2 PGA", NULL, "Left Playback Mixer"},
713 {"OUT2L", NULL, "Left Out2 PGA"},
714 {"OUT2R", NULL, "Right Out2 PGA"},
715
716 /* out1 */
717 {"Right Out1 PGA", NULL, "Right Playback Mixer"},
718 {"Left Out1 PGA", NULL, "Left Playback Mixer"},
719 {"OUT1L", NULL, "Left Out1 PGA"},
720 {"OUT1R", NULL, "Right Out1 PGA"},
721
722 /* ADCs */
723 {"Left ADC", NULL, "Left Capture Mixer"},
724 {"Right ADC", NULL, "Right Capture Mixer"},
725
726 /* Left capture mixer */
727 {"Left Capture Mixer", "L2 Capture Volume", "IN2L"},
728 {"Left Capture Mixer", "L3 Capture Volume", "IN3L PGA"},
729 {"Left Capture Mixer", "PGA Capture Switch", "Left Mic Mixer"},
730 {"Left Capture Mixer", NULL, "Out4 Capture Channel"},
731
732 /* Right capture mixer */
733 {"Right Capture Mixer", "L2 Capture Volume", "IN2R"},
734 {"Right Capture Mixer", "L3 Capture Volume", "IN3R PGA"},
735 {"Right Capture Mixer", "PGA Capture Switch", "Right Mic Mixer"},
736 {"Right Capture Mixer", NULL, "Out4 Capture Channel"},
737
738 /* L3 Inputs */
739 {"IN3L PGA", NULL, "IN3L"},
740 {"IN3R PGA", NULL, "IN3R"},
741
742 /* Left Mic mixer */
743 {"Left Mic Mixer", "INN Capture Switch", "IN1LN"},
744 {"Left Mic Mixer", "INP Capture Switch", "IN1LP"},
745 {"Left Mic Mixer", "IN2 Capture Switch", "IN2L"},
746
747 /* Right Mic mixer */
748 {"Right Mic Mixer", "INN Capture Switch", "IN1RN"},
749 {"Right Mic Mixer", "INP Capture Switch", "IN1RP"},
750 {"Right Mic Mixer", "IN2 Capture Switch", "IN2R"},
751
752 /* out 4 capture */
753 {"Out4 Capture Channel", NULL, "Out4 Mixer"},
754
755 /* Beep */
756 {"Beep", NULL, "IN3R PGA"},
757 };
758
759 static int wm8350_set_dai_sysclk(struct snd_soc_dai *codec_dai,
760 int clk_id, unsigned int freq, int dir)
761 {
762 struct snd_soc_codec *codec = codec_dai->codec;
763 struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
764 struct wm8350 *wm8350 = wm8350_data->wm8350;
765 u16 fll_4;
766
767 switch (clk_id) {
768 case WM8350_MCLK_SEL_MCLK:
769 wm8350_clear_bits(wm8350, WM8350_CLOCK_CONTROL_1,
770 WM8350_MCLK_SEL);
771 break;
772 case WM8350_MCLK_SEL_PLL_MCLK:
773 case WM8350_MCLK_SEL_PLL_DAC:
774 case WM8350_MCLK_SEL_PLL_ADC:
775 case WM8350_MCLK_SEL_PLL_32K:
776 wm8350_set_bits(wm8350, WM8350_CLOCK_CONTROL_1,
777 WM8350_MCLK_SEL);
778 fll_4 = snd_soc_read(codec, WM8350_FLL_CONTROL_4) &
779 ~WM8350_FLL_CLK_SRC_MASK;
780 snd_soc_write(codec, WM8350_FLL_CONTROL_4, fll_4 | clk_id);
781 break;
782 }
783
784 /* MCLK direction */
785 if (dir == SND_SOC_CLOCK_OUT)
786 wm8350_set_bits(wm8350, WM8350_CLOCK_CONTROL_2,
787 WM8350_MCLK_DIR);
788 else
789 wm8350_clear_bits(wm8350, WM8350_CLOCK_CONTROL_2,
790 WM8350_MCLK_DIR);
791
792 return 0;
793 }
794
795 static int wm8350_set_clkdiv(struct snd_soc_dai *codec_dai, int div_id, int div)
796 {
797 struct snd_soc_codec *codec = codec_dai->codec;
798 u16 val;
799
800 switch (div_id) {
801 case WM8350_ADC_CLKDIV:
802 val = snd_soc_read(codec, WM8350_ADC_DIVIDER) &
803 ~WM8350_ADC_CLKDIV_MASK;
804 snd_soc_write(codec, WM8350_ADC_DIVIDER, val | div);
805 break;
806 case WM8350_DAC_CLKDIV:
807 val = snd_soc_read(codec, WM8350_DAC_CLOCK_CONTROL) &
808 ~WM8350_DAC_CLKDIV_MASK;
809 snd_soc_write(codec, WM8350_DAC_CLOCK_CONTROL, val | div);
810 break;
811 case WM8350_BCLK_CLKDIV:
812 val = snd_soc_read(codec, WM8350_CLOCK_CONTROL_1) &
813 ~WM8350_BCLK_DIV_MASK;
814 snd_soc_write(codec, WM8350_CLOCK_CONTROL_1, val | div);
815 break;
816 case WM8350_OPCLK_CLKDIV:
817 val = snd_soc_read(codec, WM8350_CLOCK_CONTROL_1) &
818 ~WM8350_OPCLK_DIV_MASK;
819 snd_soc_write(codec, WM8350_CLOCK_CONTROL_1, val | div);
820 break;
821 case WM8350_SYS_CLKDIV:
822 val = snd_soc_read(codec, WM8350_CLOCK_CONTROL_1) &
823 ~WM8350_MCLK_DIV_MASK;
824 snd_soc_write(codec, WM8350_CLOCK_CONTROL_1, val | div);
825 break;
826 case WM8350_DACLR_CLKDIV:
827 val = snd_soc_read(codec, WM8350_DAC_LR_RATE) &
828 ~WM8350_DACLRC_RATE_MASK;
829 snd_soc_write(codec, WM8350_DAC_LR_RATE, val | div);
830 break;
831 case WM8350_ADCLR_CLKDIV:
832 val = snd_soc_read(codec, WM8350_ADC_LR_RATE) &
833 ~WM8350_ADCLRC_RATE_MASK;
834 snd_soc_write(codec, WM8350_ADC_LR_RATE, val | div);
835 break;
836 default:
837 return -EINVAL;
838 }
839
840 return 0;
841 }
842
843 static int wm8350_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
844 {
845 struct snd_soc_codec *codec = codec_dai->codec;
846 u16 iface = snd_soc_read(codec, WM8350_AI_FORMATING) &
847 ~(WM8350_AIF_BCLK_INV | WM8350_AIF_LRCLK_INV | WM8350_AIF_FMT_MASK);
848 u16 master = snd_soc_read(codec, WM8350_AI_DAC_CONTROL) &
849 ~WM8350_BCLK_MSTR;
850 u16 dac_lrc = snd_soc_read(codec, WM8350_DAC_LR_RATE) &
851 ~WM8350_DACLRC_ENA;
852 u16 adc_lrc = snd_soc_read(codec, WM8350_ADC_LR_RATE) &
853 ~WM8350_ADCLRC_ENA;
854
855 /* set master/slave audio interface */
856 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
857 case SND_SOC_DAIFMT_CBM_CFM:
858 master |= WM8350_BCLK_MSTR;
859 dac_lrc |= WM8350_DACLRC_ENA;
860 adc_lrc |= WM8350_ADCLRC_ENA;
861 break;
862 case SND_SOC_DAIFMT_CBS_CFS:
863 break;
864 default:
865 return -EINVAL;
866 }
867
868 /* interface format */
869 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
870 case SND_SOC_DAIFMT_I2S:
871 iface |= 0x2 << 8;
872 break;
873 case SND_SOC_DAIFMT_RIGHT_J:
874 break;
875 case SND_SOC_DAIFMT_LEFT_J:
876 iface |= 0x1 << 8;
877 break;
878 case SND_SOC_DAIFMT_DSP_A:
879 iface |= 0x3 << 8;
880 break;
881 case SND_SOC_DAIFMT_DSP_B:
882 iface |= 0x3 << 8 | WM8350_AIF_LRCLK_INV;
883 break;
884 default:
885 return -EINVAL;
886 }
887
888 /* clock inversion */
889 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
890 case SND_SOC_DAIFMT_NB_NF:
891 break;
892 case SND_SOC_DAIFMT_IB_IF:
893 iface |= WM8350_AIF_LRCLK_INV | WM8350_AIF_BCLK_INV;
894 break;
895 case SND_SOC_DAIFMT_IB_NF:
896 iface |= WM8350_AIF_BCLK_INV;
897 break;
898 case SND_SOC_DAIFMT_NB_IF:
899 iface |= WM8350_AIF_LRCLK_INV;
900 break;
901 default:
902 return -EINVAL;
903 }
904
905 snd_soc_write(codec, WM8350_AI_FORMATING, iface);
906 snd_soc_write(codec, WM8350_AI_DAC_CONTROL, master);
907 snd_soc_write(codec, WM8350_DAC_LR_RATE, dac_lrc);
908 snd_soc_write(codec, WM8350_ADC_LR_RATE, adc_lrc);
909 return 0;
910 }
911
912 static int wm8350_pcm_hw_params(struct snd_pcm_substream *substream,
913 struct snd_pcm_hw_params *params,
914 struct snd_soc_dai *codec_dai)
915 {
916 struct snd_soc_codec *codec = codec_dai->codec;
917 struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
918 struct wm8350 *wm8350 = wm8350_data->wm8350;
919 u16 iface = snd_soc_read(codec, WM8350_AI_FORMATING) &
920 ~WM8350_AIF_WL_MASK;
921
922 /* bit size */
923 switch (params_format(params)) {
924 case SNDRV_PCM_FORMAT_S16_LE:
925 break;
926 case SNDRV_PCM_FORMAT_S20_3LE:
927 iface |= 0x1 << 10;
928 break;
929 case SNDRV_PCM_FORMAT_S24_LE:
930 iface |= 0x2 << 10;
931 break;
932 case SNDRV_PCM_FORMAT_S32_LE:
933 iface |= 0x3 << 10;
934 break;
935 }
936
937 snd_soc_write(codec, WM8350_AI_FORMATING, iface);
938
939 /* The sloping stopband filter is recommended for use with
940 * lower sample rates to improve performance.
941 */
942 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
943 if (params_rate(params) < 24000)
944 wm8350_set_bits(wm8350, WM8350_DAC_MUTE_VOLUME,
945 WM8350_DAC_SB_FILT);
946 else
947 wm8350_clear_bits(wm8350, WM8350_DAC_MUTE_VOLUME,
948 WM8350_DAC_SB_FILT);
949 }
950
951 return 0;
952 }
953
954 static int wm8350_mute(struct snd_soc_dai *dai, int mute)
955 {
956 struct snd_soc_codec *codec = dai->codec;
957 unsigned int val;
958
959 if (mute)
960 val = WM8350_DAC_MUTE_ENA;
961 else
962 val = 0;
963
964 snd_soc_update_bits(codec, WM8350_DAC_MUTE, WM8350_DAC_MUTE_ENA, val);
965
966 return 0;
967 }
968
969 /* FLL divisors */
970 struct _fll_div {
971 int div; /* FLL_OUTDIV */
972 int n;
973 int k;
974 int ratio; /* FLL_FRATIO */
975 };
976
977 /* The size in bits of the fll divide multiplied by 10
978 * to allow rounding later */
979 #define FIXED_FLL_SIZE ((1 << 16) * 10)
980
981 static inline int fll_factors(struct _fll_div *fll_div, unsigned int input,
982 unsigned int output)
983 {
984 u64 Kpart;
985 unsigned int t1, t2, K, Nmod;
986
987 if (output >= 2815250 && output <= 3125000)
988 fll_div->div = 0x4;
989 else if (output >= 5625000 && output <= 6250000)
990 fll_div->div = 0x3;
991 else if (output >= 11250000 && output <= 12500000)
992 fll_div->div = 0x2;
993 else if (output >= 22500000 && output <= 25000000)
994 fll_div->div = 0x1;
995 else {
996 printk(KERN_ERR "wm8350: fll freq %d out of range\n", output);
997 return -EINVAL;
998 }
999
1000 if (input > 48000)
1001 fll_div->ratio = 1;
1002 else
1003 fll_div->ratio = 8;
1004
1005 t1 = output * (1 << (fll_div->div + 1));
1006 t2 = input * fll_div->ratio;
1007
1008 fll_div->n = t1 / t2;
1009 Nmod = t1 % t2;
1010
1011 if (Nmod) {
1012 Kpart = FIXED_FLL_SIZE * (long long)Nmod;
1013 do_div(Kpart, t2);
1014 K = Kpart & 0xFFFFFFFF;
1015
1016 /* Check if we need to round */
1017 if ((K % 10) >= 5)
1018 K += 5;
1019
1020 /* Move down to proper range now rounding is done */
1021 K /= 10;
1022 fll_div->k = K;
1023 } else
1024 fll_div->k = 0;
1025
1026 return 0;
1027 }
1028
1029 static int wm8350_set_fll(struct snd_soc_dai *codec_dai,
1030 int pll_id, int source, unsigned int freq_in,
1031 unsigned int freq_out)
1032 {
1033 struct snd_soc_codec *codec = codec_dai->codec;
1034 struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1035 struct wm8350 *wm8350 = priv->wm8350;
1036 struct _fll_div fll_div;
1037 int ret = 0;
1038 u16 fll_1, fll_4;
1039
1040 if (freq_in == priv->fll_freq_in && freq_out == priv->fll_freq_out)
1041 return 0;
1042
1043 /* power down FLL - we need to do this for reconfiguration */
1044 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4,
1045 WM8350_FLL_ENA | WM8350_FLL_OSC_ENA);
1046
1047 if (freq_out == 0 || freq_in == 0)
1048 return ret;
1049
1050 ret = fll_factors(&fll_div, freq_in, freq_out);
1051 if (ret < 0)
1052 return ret;
1053 dev_dbg(wm8350->dev,
1054 "FLL in %u FLL out %u N 0x%x K 0x%x div %d ratio %d",
1055 freq_in, freq_out, fll_div.n, fll_div.k, fll_div.div,
1056 fll_div.ratio);
1057
1058 /* set up N.K & dividers */
1059 fll_1 = snd_soc_read(codec, WM8350_FLL_CONTROL_1) &
1060 ~(WM8350_FLL_OUTDIV_MASK | WM8350_FLL_RSP_RATE_MASK | 0xc000);
1061 snd_soc_write(codec, WM8350_FLL_CONTROL_1,
1062 fll_1 | (fll_div.div << 8) | 0x50);
1063 snd_soc_write(codec, WM8350_FLL_CONTROL_2,
1064 (fll_div.ratio << 11) | (fll_div.
1065 n & WM8350_FLL_N_MASK));
1066 snd_soc_write(codec, WM8350_FLL_CONTROL_3, fll_div.k);
1067 fll_4 = snd_soc_read(codec, WM8350_FLL_CONTROL_4) &
1068 ~(WM8350_FLL_FRAC | WM8350_FLL_SLOW_LOCK_REF);
1069 snd_soc_write(codec, WM8350_FLL_CONTROL_4,
1070 fll_4 | (fll_div.k ? WM8350_FLL_FRAC : 0) |
1071 (fll_div.ratio == 8 ? WM8350_FLL_SLOW_LOCK_REF : 0));
1072
1073 /* power FLL on */
1074 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_FLL_OSC_ENA);
1075 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_FLL_ENA);
1076
1077 priv->fll_freq_out = freq_out;
1078 priv->fll_freq_in = freq_in;
1079
1080 return 0;
1081 }
1082
1083 static int wm8350_set_bias_level(struct snd_soc_codec *codec,
1084 enum snd_soc_bias_level level)
1085 {
1086 struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1087 struct wm8350 *wm8350 = priv->wm8350;
1088 struct wm8350_audio_platform_data *platform =
1089 wm8350->codec.platform_data;
1090 u16 pm1;
1091 int ret;
1092
1093 switch (level) {
1094 case SND_SOC_BIAS_ON:
1095 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1096 ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK);
1097 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1098 pm1 | WM8350_VMID_50K |
1099 platform->codec_current_on << 14);
1100 break;
1101
1102 case SND_SOC_BIAS_PREPARE:
1103 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1);
1104 pm1 &= ~WM8350_VMID_MASK;
1105 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1106 pm1 | WM8350_VMID_50K);
1107 break;
1108
1109 case SND_SOC_BIAS_STANDBY:
1110 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1111 ret = regulator_bulk_enable(ARRAY_SIZE(priv->supplies),
1112 priv->supplies);
1113 if (ret != 0)
1114 return ret;
1115
1116 /* Enable the system clock */
1117 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4,
1118 WM8350_SYSCLK_ENA);
1119
1120 /* mute DAC & outputs */
1121 wm8350_set_bits(wm8350, WM8350_DAC_MUTE,
1122 WM8350_DAC_MUTE_ENA);
1123
1124 /* discharge cap memory */
1125 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1126 platform->dis_out1 |
1127 (platform->dis_out2 << 2) |
1128 (platform->dis_out3 << 4) |
1129 (platform->dis_out4 << 6));
1130
1131 /* wait for discharge */
1132 schedule_timeout_interruptible(msecs_to_jiffies
1133 (platform->
1134 cap_discharge_msecs));
1135
1136 /* enable antipop */
1137 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1138 (platform->vmid_s_curve << 8));
1139
1140 /* ramp up vmid */
1141 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1142 (platform->
1143 codec_current_charge << 14) |
1144 WM8350_VMID_5K | WM8350_VMIDEN |
1145 WM8350_VBUFEN);
1146
1147 /* wait for vmid */
1148 schedule_timeout_interruptible(msecs_to_jiffies
1149 (platform->
1150 vmid_charge_msecs));
1151
1152 /* turn on vmid 300k */
1153 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1154 ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK);
1155 pm1 |= WM8350_VMID_300K |
1156 (platform->codec_current_standby << 14);
1157 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1158 pm1);
1159
1160
1161 /* enable analogue bias */
1162 pm1 |= WM8350_BIASEN;
1163 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1);
1164
1165 /* disable antipop */
1166 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 0);
1167
1168 } else {
1169 /* turn on vmid 300k and reduce current */
1170 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1171 ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK);
1172 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1173 pm1 | WM8350_VMID_300K |
1174 (platform->
1175 codec_current_standby << 14));
1176
1177 }
1178 break;
1179
1180 case SND_SOC_BIAS_OFF:
1181
1182 /* mute DAC & enable outputs */
1183 wm8350_set_bits(wm8350, WM8350_DAC_MUTE, WM8350_DAC_MUTE_ENA);
1184
1185 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_3,
1186 WM8350_OUT1L_ENA | WM8350_OUT1R_ENA |
1187 WM8350_OUT2L_ENA | WM8350_OUT2R_ENA);
1188
1189 /* enable anti pop S curve */
1190 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1191 (platform->vmid_s_curve << 8));
1192
1193 /* turn off vmid */
1194 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1195 ~WM8350_VMIDEN;
1196 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1);
1197
1198 /* wait */
1199 schedule_timeout_interruptible(msecs_to_jiffies
1200 (platform->
1201 vmid_discharge_msecs));
1202
1203 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1204 (platform->vmid_s_curve << 8) |
1205 platform->dis_out1 |
1206 (platform->dis_out2 << 2) |
1207 (platform->dis_out3 << 4) |
1208 (platform->dis_out4 << 6));
1209
1210 /* turn off VBuf and drain */
1211 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1212 ~(WM8350_VBUFEN | WM8350_VMID_MASK);
1213 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1214 pm1 | WM8350_OUTPUT_DRAIN_EN);
1215
1216 /* wait */
1217 schedule_timeout_interruptible(msecs_to_jiffies
1218 (platform->drain_msecs));
1219
1220 pm1 &= ~WM8350_BIASEN;
1221 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1);
1222
1223 /* disable anti-pop */
1224 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 0);
1225
1226 wm8350_clear_bits(wm8350, WM8350_LOUT1_VOLUME,
1227 WM8350_OUT1L_ENA);
1228 wm8350_clear_bits(wm8350, WM8350_ROUT1_VOLUME,
1229 WM8350_OUT1R_ENA);
1230 wm8350_clear_bits(wm8350, WM8350_LOUT2_VOLUME,
1231 WM8350_OUT2L_ENA);
1232 wm8350_clear_bits(wm8350, WM8350_ROUT2_VOLUME,
1233 WM8350_OUT2R_ENA);
1234
1235 /* disable clock gen */
1236 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4,
1237 WM8350_SYSCLK_ENA);
1238
1239 regulator_bulk_disable(ARRAY_SIZE(priv->supplies),
1240 priv->supplies);
1241 break;
1242 }
1243 codec->dapm.bias_level = level;
1244 return 0;
1245 }
1246
1247 static int wm8350_suspend(struct snd_soc_codec *codec)
1248 {
1249 wm8350_set_bias_level(codec, SND_SOC_BIAS_OFF);
1250 return 0;
1251 }
1252
1253 static int wm8350_resume(struct snd_soc_codec *codec)
1254 {
1255 wm8350_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1256
1257 return 0;
1258 }
1259
1260 static void wm8350_hp_work(struct wm8350_data *priv,
1261 struct wm8350_jack_data *jack,
1262 u16 mask)
1263 {
1264 struct wm8350 *wm8350 = priv->wm8350;
1265 u16 reg;
1266 int report;
1267
1268 reg = wm8350_reg_read(wm8350, WM8350_JACK_PIN_STATUS);
1269 if (reg & mask)
1270 report = jack->report;
1271 else
1272 report = 0;
1273
1274 snd_soc_jack_report(jack->jack, report, jack->report);
1275
1276 }
1277
1278 static void wm8350_hpl_work(struct work_struct *work)
1279 {
1280 struct wm8350_data *priv =
1281 container_of(work, struct wm8350_data, hpl.work.work);
1282
1283 wm8350_hp_work(priv, &priv->hpl, WM8350_JACK_L_LVL);
1284 }
1285
1286 static void wm8350_hpr_work(struct work_struct *work)
1287 {
1288 struct wm8350_data *priv =
1289 container_of(work, struct wm8350_data, hpr.work.work);
1290
1291 wm8350_hp_work(priv, &priv->hpr, WM8350_JACK_R_LVL);
1292 }
1293
1294 static irqreturn_t wm8350_hpl_jack_handler(int irq, void *data)
1295 {
1296 struct wm8350_data *priv = data;
1297 struct wm8350 *wm8350 = priv->wm8350;
1298
1299 #ifndef CONFIG_SND_SOC_WM8350_MODULE
1300 trace_snd_soc_jack_irq("WM8350 HPL");
1301 #endif
1302
1303 if (device_may_wakeup(wm8350->dev))
1304 pm_wakeup_event(wm8350->dev, 250);
1305
1306 schedule_delayed_work(&priv->hpl.work, 200);
1307
1308 return IRQ_HANDLED;
1309 }
1310
1311 static irqreturn_t wm8350_hpr_jack_handler(int irq, void *data)
1312 {
1313 struct wm8350_data *priv = data;
1314 struct wm8350 *wm8350 = priv->wm8350;
1315
1316 #ifndef CONFIG_SND_SOC_WM8350_MODULE
1317 trace_snd_soc_jack_irq("WM8350 HPR");
1318 #endif
1319
1320 if (device_may_wakeup(wm8350->dev))
1321 pm_wakeup_event(wm8350->dev, 250);
1322
1323 schedule_delayed_work(&priv->hpr.work, 200);
1324
1325 return IRQ_HANDLED;
1326 }
1327
1328 /**
1329 * wm8350_hp_jack_detect - Enable headphone jack detection.
1330 *
1331 * @codec: WM8350 codec
1332 * @which: left or right jack detect signal
1333 * @jack: jack to report detection events on
1334 * @report: value to report
1335 *
1336 * Enables the headphone jack detection of the WM8350. If no report
1337 * is specified then detection is disabled.
1338 */
1339 int wm8350_hp_jack_detect(struct snd_soc_codec *codec, enum wm8350_jack which,
1340 struct snd_soc_jack *jack, int report)
1341 {
1342 struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1343 struct wm8350 *wm8350 = priv->wm8350;
1344 int irq;
1345 int ena;
1346
1347 switch (which) {
1348 case WM8350_JDL:
1349 priv->hpl.jack = jack;
1350 priv->hpl.report = report;
1351 irq = WM8350_IRQ_CODEC_JCK_DET_L;
1352 ena = WM8350_JDL_ENA;
1353 break;
1354
1355 case WM8350_JDR:
1356 priv->hpr.jack = jack;
1357 priv->hpr.report = report;
1358 irq = WM8350_IRQ_CODEC_JCK_DET_R;
1359 ena = WM8350_JDR_ENA;
1360 break;
1361
1362 default:
1363 return -EINVAL;
1364 }
1365
1366 if (report) {
1367 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA);
1368 wm8350_set_bits(wm8350, WM8350_JACK_DETECT, ena);
1369 } else {
1370 wm8350_clear_bits(wm8350, WM8350_JACK_DETECT, ena);
1371 }
1372
1373 /* Sync status */
1374 switch (which) {
1375 case WM8350_JDL:
1376 wm8350_hpl_jack_handler(0, priv);
1377 break;
1378 case WM8350_JDR:
1379 wm8350_hpr_jack_handler(0, priv);
1380 break;
1381 }
1382
1383 return 0;
1384 }
1385 EXPORT_SYMBOL_GPL(wm8350_hp_jack_detect);
1386
1387 static irqreturn_t wm8350_mic_handler(int irq, void *data)
1388 {
1389 struct wm8350_data *priv = data;
1390 struct wm8350 *wm8350 = priv->wm8350;
1391 u16 reg;
1392 int report = 0;
1393
1394 #ifndef CONFIG_SND_SOC_WM8350_MODULE
1395 trace_snd_soc_jack_irq("WM8350 mic");
1396 #endif
1397
1398 reg = wm8350_reg_read(wm8350, WM8350_JACK_PIN_STATUS);
1399 if (reg & WM8350_JACK_MICSCD_LVL)
1400 report |= priv->mic.short_report;
1401 if (reg & WM8350_JACK_MICSD_LVL)
1402 report |= priv->mic.report;
1403
1404 snd_soc_jack_report(priv->mic.jack, report,
1405 priv->mic.report | priv->mic.short_report);
1406
1407 return IRQ_HANDLED;
1408 }
1409
1410 /**
1411 * wm8350_mic_jack_detect - Enable microphone jack detection.
1412 *
1413 * @codec: WM8350 codec
1414 * @jack: jack to report detection events on
1415 * @detect_report: value to report when presence detected
1416 * @short_report: value to report when microphone short detected
1417 *
1418 * Enables the microphone jack detection of the WM8350. If both reports
1419 * are specified as zero then detection is disabled.
1420 */
1421 int wm8350_mic_jack_detect(struct snd_soc_codec *codec,
1422 struct snd_soc_jack *jack,
1423 int detect_report, int short_report)
1424 {
1425 struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1426 struct wm8350 *wm8350 = priv->wm8350;
1427
1428 priv->mic.jack = jack;
1429 priv->mic.report = detect_report;
1430 priv->mic.short_report = short_report;
1431
1432 if (detect_report || short_report) {
1433 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA);
1434 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_1,
1435 WM8350_MIC_DET_ENA);
1436 } else {
1437 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_1,
1438 WM8350_MIC_DET_ENA);
1439 }
1440
1441 return 0;
1442 }
1443 EXPORT_SYMBOL_GPL(wm8350_mic_jack_detect);
1444
1445 #define WM8350_RATES (SNDRV_PCM_RATE_8000_96000)
1446
1447 #define WM8350_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
1448 SNDRV_PCM_FMTBIT_S20_3LE |\
1449 SNDRV_PCM_FMTBIT_S24_LE)
1450
1451 static const struct snd_soc_dai_ops wm8350_dai_ops = {
1452 .hw_params = wm8350_pcm_hw_params,
1453 .digital_mute = wm8350_mute,
1454 .set_fmt = wm8350_set_dai_fmt,
1455 .set_sysclk = wm8350_set_dai_sysclk,
1456 .set_pll = wm8350_set_fll,
1457 .set_clkdiv = wm8350_set_clkdiv,
1458 };
1459
1460 static struct snd_soc_dai_driver wm8350_dai = {
1461 .name = "wm8350-hifi",
1462 .playback = {
1463 .stream_name = "Playback",
1464 .channels_min = 1,
1465 .channels_max = 2,
1466 .rates = WM8350_RATES,
1467 .formats = WM8350_FORMATS,
1468 },
1469 .capture = {
1470 .stream_name = "Capture",
1471 .channels_min = 1,
1472 .channels_max = 2,
1473 .rates = WM8350_RATES,
1474 .formats = WM8350_FORMATS,
1475 },
1476 .ops = &wm8350_dai_ops,
1477 };
1478
1479 static int wm8350_codec_probe(struct snd_soc_codec *codec)
1480 {
1481 struct wm8350 *wm8350 = dev_get_platdata(codec->dev);
1482 struct wm8350_data *priv;
1483 struct wm8350_output *out1;
1484 struct wm8350_output *out2;
1485 int ret, i;
1486
1487 if (wm8350->codec.platform_data == NULL) {
1488 dev_err(codec->dev, "No audio platform data supplied\n");
1489 return -EINVAL;
1490 }
1491
1492 priv = devm_kzalloc(codec->dev, sizeof(struct wm8350_data),
1493 GFP_KERNEL);
1494 if (priv == NULL)
1495 return -ENOMEM;
1496 snd_soc_codec_set_drvdata(codec, priv);
1497
1498 priv->wm8350 = wm8350;
1499
1500 for (i = 0; i < ARRAY_SIZE(supply_names); i++)
1501 priv->supplies[i].supply = supply_names[i];
1502
1503 ret = devm_regulator_bulk_get(wm8350->dev, ARRAY_SIZE(priv->supplies),
1504 priv->supplies);
1505 if (ret != 0)
1506 return ret;
1507
1508 codec->control_data = wm8350->regmap;
1509
1510 snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_REGMAP);
1511
1512 /* Put the codec into reset if it wasn't already */
1513 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA);
1514
1515 INIT_DELAYED_WORK(&codec->dapm.delayed_work, wm8350_pga_work);
1516 INIT_DELAYED_WORK(&priv->hpl.work, wm8350_hpl_work);
1517 INIT_DELAYED_WORK(&priv->hpr.work, wm8350_hpr_work);
1518
1519 /* Enable the codec */
1520 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA);
1521
1522 /* Enable robust clocking mode in ADC */
1523 snd_soc_write(codec, WM8350_SECURITY, 0xa7);
1524 snd_soc_write(codec, 0xde, 0x13);
1525 snd_soc_write(codec, WM8350_SECURITY, 0);
1526
1527 /* read OUT1 & OUT2 volumes */
1528 out1 = &priv->out1;
1529 out2 = &priv->out2;
1530 out1->left_vol = (wm8350_reg_read(wm8350, WM8350_LOUT1_VOLUME) &
1531 WM8350_OUT1L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
1532 out1->right_vol = (wm8350_reg_read(wm8350, WM8350_ROUT1_VOLUME) &
1533 WM8350_OUT1R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
1534 out2->left_vol = (wm8350_reg_read(wm8350, WM8350_LOUT2_VOLUME) &
1535 WM8350_OUT2L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
1536 out2->right_vol = (wm8350_reg_read(wm8350, WM8350_ROUT2_VOLUME) &
1537 WM8350_OUT2R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
1538 wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME, 0);
1539 wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME, 0);
1540 wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME, 0);
1541 wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME, 0);
1542
1543 /* Latch VU bits & mute */
1544 wm8350_set_bits(wm8350, WM8350_LOUT1_VOLUME,
1545 WM8350_OUT1_VU | WM8350_OUT1L_MUTE);
1546 wm8350_set_bits(wm8350, WM8350_LOUT2_VOLUME,
1547 WM8350_OUT2_VU | WM8350_OUT2L_MUTE);
1548 wm8350_set_bits(wm8350, WM8350_ROUT1_VOLUME,
1549 WM8350_OUT1_VU | WM8350_OUT1R_MUTE);
1550 wm8350_set_bits(wm8350, WM8350_ROUT2_VOLUME,
1551 WM8350_OUT2_VU | WM8350_OUT2R_MUTE);
1552
1553 /* Make sure AIF tristating is disabled by default */
1554 wm8350_clear_bits(wm8350, WM8350_AI_FORMATING, WM8350_AIF_TRI);
1555
1556 /* Make sure we've got a sane companding setup too */
1557 wm8350_clear_bits(wm8350, WM8350_ADC_DAC_COMP,
1558 WM8350_DAC_COMP | WM8350_LOOPBACK);
1559
1560 /* Make sure jack detect is disabled to start off with */
1561 wm8350_clear_bits(wm8350, WM8350_JACK_DETECT,
1562 WM8350_JDL_ENA | WM8350_JDR_ENA);
1563
1564 wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L,
1565 wm8350_hpl_jack_handler, 0, "Left jack detect",
1566 priv);
1567 wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R,
1568 wm8350_hpr_jack_handler, 0, "Right jack detect",
1569 priv);
1570 wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_MICSCD,
1571 wm8350_mic_handler, 0, "Microphone short", priv);
1572 wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_MICD,
1573 wm8350_mic_handler, 0, "Microphone detect", priv);
1574
1575
1576 wm8350_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1577
1578 return 0;
1579 }
1580
1581 static int wm8350_codec_remove(struct snd_soc_codec *codec)
1582 {
1583 struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1584 struct wm8350 *wm8350 = dev_get_platdata(codec->dev);
1585
1586 wm8350_clear_bits(wm8350, WM8350_JACK_DETECT,
1587 WM8350_JDL_ENA | WM8350_JDR_ENA);
1588 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA);
1589
1590 wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_MICD, priv);
1591 wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_MICSCD, priv);
1592 wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L, priv);
1593 wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R, priv);
1594
1595 priv->hpl.jack = NULL;
1596 priv->hpr.jack = NULL;
1597 priv->mic.jack = NULL;
1598
1599 cancel_delayed_work_sync(&priv->hpl.work);
1600 cancel_delayed_work_sync(&priv->hpr.work);
1601
1602 /* if there was any work waiting then we run it now and
1603 * wait for its completion */
1604 flush_delayed_work(&codec->dapm.delayed_work);
1605
1606 wm8350_set_bias_level(codec, SND_SOC_BIAS_OFF);
1607
1608 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA);
1609
1610 return 0;
1611 }
1612
1613 static struct snd_soc_codec_driver soc_codec_dev_wm8350 = {
1614 .probe = wm8350_codec_probe,
1615 .remove = wm8350_codec_remove,
1616 .suspend = wm8350_suspend,
1617 .resume = wm8350_resume,
1618 .set_bias_level = wm8350_set_bias_level,
1619
1620 .controls = wm8350_snd_controls,
1621 .num_controls = ARRAY_SIZE(wm8350_snd_controls),
1622 .dapm_widgets = wm8350_dapm_widgets,
1623 .num_dapm_widgets = ARRAY_SIZE(wm8350_dapm_widgets),
1624 .dapm_routes = wm8350_dapm_routes,
1625 .num_dapm_routes = ARRAY_SIZE(wm8350_dapm_routes),
1626 };
1627
1628 static int wm8350_probe(struct platform_device *pdev)
1629 {
1630 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8350,
1631 &wm8350_dai, 1);
1632 }
1633
1634 static int wm8350_remove(struct platform_device *pdev)
1635 {
1636 snd_soc_unregister_codec(&pdev->dev);
1637 return 0;
1638 }
1639
1640 static struct platform_driver wm8350_codec_driver = {
1641 .driver = {
1642 .name = "wm8350-codec",
1643 .owner = THIS_MODULE,
1644 },
1645 .probe = wm8350_probe,
1646 .remove = wm8350_remove,
1647 };
1648
1649 module_platform_driver(wm8350_codec_driver);
1650
1651 MODULE_DESCRIPTION("ASoC WM8350 driver");
1652 MODULE_AUTHOR("Liam Girdwood");
1653 MODULE_LICENSE("GPL");
1654 MODULE_ALIAS("platform:wm8350-codec");
CRIS linux kernel tree