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Christian Pellegrin1cad1de2008-11-15 08:58:16 +01001/*
2 * uda134x.c -- UDA134X ALSA SoC Codec driver
3 *
4 * Modifications by Christian Pellegrin <chripell@evolware.org>
5 *
6 * Copyright 2007 Dension Audio Systems Ltd.
7 * Author: Zoltan Devai
8 *
9 * Based on the WM87xx drivers by Liam Girdwood and Richard Purdie
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
14 */
15
16#include <linux/module.h>
17#include <linux/delay.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090018#include <linux/slab.h>
Christian Pellegrin1cad1de2008-11-15 08:58:16 +010019#include <sound/pcm.h>
20#include <sound/pcm_params.h>
21#include <sound/soc.h>
Christian Pellegrin1cad1de2008-11-15 08:58:16 +010022#include <sound/initval.h>
23
24#include <sound/uda134x.h>
25#include <sound/l3.h>
26
Mark Brown72f2b892008-11-18 12:25:46 +000027#include "uda134x.h"
Christian Pellegrin1cad1de2008-11-15 08:58:16 +010028
29
Christian Pellegrin1cad1de2008-11-15 08:58:16 +010030#define UDA134X_RATES SNDRV_PCM_RATE_8000_48000
31#define UDA134X_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE | \
32 SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S20_3LE)
33
34struct uda134x_priv {
35 int sysclk;
36 int dai_fmt;
37
38 struct snd_pcm_substream *master_substream;
39 struct snd_pcm_substream *slave_substream;
40};
41
42/* In-data addresses are hard-coded into the reg-cache values */
43static const char uda134x_reg[UDA134X_REGS_NUM] = {
44 /* Extended address registers */
45 0x04, 0x04, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00,
46 /* Status, data regs */
Vladimir Zapolskiyed632ad2010-06-24 15:17:07 +040047 0x00, 0x83, 0x00, 0x40, 0x80, 0xC0, 0x00,
Christian Pellegrin1cad1de2008-11-15 08:58:16 +010048};
49
50/*
51 * The codec has no support for reading its registers except for peak level...
52 */
53static inline unsigned int uda134x_read_reg_cache(struct snd_soc_codec *codec,
54 unsigned int reg)
55{
56 u8 *cache = codec->reg_cache;
57
58 if (reg >= UDA134X_REGS_NUM)
59 return -1;
60 return cache[reg];
61}
62
63/*
64 * Write the register cache
65 */
66static inline void uda134x_write_reg_cache(struct snd_soc_codec *codec,
67 u8 reg, unsigned int value)
68{
69 u8 *cache = codec->reg_cache;
70
71 if (reg >= UDA134X_REGS_NUM)
72 return;
73 cache[reg] = value;
74}
75
76/*
77 * Write to the uda134x registers
78 *
79 */
80static int uda134x_write(struct snd_soc_codec *codec, unsigned int reg,
81 unsigned int value)
82{
83 int ret;
84 u8 addr;
85 u8 data = value;
86 struct uda134x_platform_data *pd = codec->control_data;
87
88 pr_debug("%s reg: %02X, value:%02X\n", __func__, reg, value);
89
90 if (reg >= UDA134X_REGS_NUM) {
André Goddard Rosaaf901ca2009-11-14 13:09:05 -020091 printk(KERN_ERR "%s unknown register: reg: %u",
Christian Pellegrin1cad1de2008-11-15 08:58:16 +010092 __func__, reg);
93 return -EINVAL;
94 }
95
96 uda134x_write_reg_cache(codec, reg, value);
97
98 switch (reg) {
99 case UDA134X_STATUS0:
100 case UDA134X_STATUS1:
101 addr = UDA134X_STATUS_ADDR;
102 break;
103 case UDA134X_DATA000:
104 case UDA134X_DATA001:
105 case UDA134X_DATA010:
Vladimir Zapolskiyed632ad2010-06-24 15:17:07 +0400106 case UDA134X_DATA011:
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100107 addr = UDA134X_DATA0_ADDR;
108 break;
109 case UDA134X_DATA1:
110 addr = UDA134X_DATA1_ADDR;
111 break;
112 default:
113 /* It's an extended address register */
114 addr = (reg | UDA134X_EXTADDR_PREFIX);
115
116 ret = l3_write(&pd->l3,
117 UDA134X_DATA0_ADDR, &addr, 1);
118 if (ret != 1)
119 return -EIO;
120
121 addr = UDA134X_DATA0_ADDR;
122 data = (value | UDA134X_EXTDATA_PREFIX);
123 break;
124 }
125
126 ret = l3_write(&pd->l3,
127 addr, &data, 1);
128 if (ret != 1)
129 return -EIO;
130
131 return 0;
132}
133
134static inline void uda134x_reset(struct snd_soc_codec *codec)
135{
136 u8 reset_reg = uda134x_read_reg_cache(codec, UDA134X_STATUS0);
137 uda134x_write(codec, UDA134X_STATUS0, reset_reg | (1<<6));
138 msleep(1);
139 uda134x_write(codec, UDA134X_STATUS0, reset_reg & ~(1<<6));
140}
141
142static int uda134x_mute(struct snd_soc_dai *dai, int mute)
143{
144 struct snd_soc_codec *codec = dai->codec;
145 u8 mute_reg = uda134x_read_reg_cache(codec, UDA134X_DATA010);
146
147 pr_debug("%s mute: %d\n", __func__, mute);
148
149 if (mute)
150 mute_reg |= (1<<2);
151 else
152 mute_reg &= ~(1<<2);
153
Shine Liu0c093fb2009-08-17 18:52:01 +0800154 uda134x_write(codec, UDA134X_DATA010, mute_reg);
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100155
156 return 0;
157}
158
Mark Browndee89c42008-11-18 22:11:38 +0000159static int uda134x_startup(struct snd_pcm_substream *substream,
160 struct snd_soc_dai *dai)
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100161{
162 struct snd_soc_pcm_runtime *rtd = substream->private_data;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000163 struct snd_soc_codec *codec =rtd->codec;
Mark Brownb2c812e2010-04-14 15:35:19 +0900164 struct uda134x_priv *uda134x = snd_soc_codec_get_drvdata(codec);
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100165 struct snd_pcm_runtime *master_runtime;
166
167 if (uda134x->master_substream) {
168 master_runtime = uda134x->master_substream->runtime;
169
170 pr_debug("%s constraining to %d bits at %d\n", __func__,
171 master_runtime->sample_bits,
172 master_runtime->rate);
173
174 snd_pcm_hw_constraint_minmax(substream->runtime,
175 SNDRV_PCM_HW_PARAM_RATE,
176 master_runtime->rate,
177 master_runtime->rate);
178
179 snd_pcm_hw_constraint_minmax(substream->runtime,
180 SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
181 master_runtime->sample_bits,
182 master_runtime->sample_bits);
183
184 uda134x->slave_substream = substream;
185 } else
186 uda134x->master_substream = substream;
187
188 return 0;
189}
190
Mark Browndee89c42008-11-18 22:11:38 +0000191static void uda134x_shutdown(struct snd_pcm_substream *substream,
192 struct snd_soc_dai *dai)
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100193{
194 struct snd_soc_pcm_runtime *rtd = substream->private_data;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000195 struct snd_soc_codec *codec = rtd->codec;
Mark Brownb2c812e2010-04-14 15:35:19 +0900196 struct uda134x_priv *uda134x = snd_soc_codec_get_drvdata(codec);
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100197
198 if (uda134x->master_substream == substream)
199 uda134x->master_substream = uda134x->slave_substream;
200
201 uda134x->slave_substream = NULL;
202}
203
204static int uda134x_hw_params(struct snd_pcm_substream *substream,
Mark Browndee89c42008-11-18 22:11:38 +0000205 struct snd_pcm_hw_params *params,
206 struct snd_soc_dai *dai)
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100207{
208 struct snd_soc_pcm_runtime *rtd = substream->private_data;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000209 struct snd_soc_codec *codec = rtd->codec;
Mark Brownb2c812e2010-04-14 15:35:19 +0900210 struct uda134x_priv *uda134x = snd_soc_codec_get_drvdata(codec);
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100211 u8 hw_params;
212
213 if (substream == uda134x->slave_substream) {
214 pr_debug("%s ignoring hw_params for slave substream\n",
215 __func__);
216 return 0;
217 }
218
219 hw_params = uda134x_read_reg_cache(codec, UDA134X_STATUS0);
220 hw_params &= STATUS0_SYSCLK_MASK;
221 hw_params &= STATUS0_DAIFMT_MASK;
222
223 pr_debug("%s sysclk: %d, rate:%d\n", __func__,
224 uda134x->sysclk, params_rate(params));
225
226 /* set SYSCLK / fs ratio */
227 switch (uda134x->sysclk / params_rate(params)) {
228 case 512:
229 break;
230 case 384:
231 hw_params |= (1<<4);
232 break;
233 case 256:
234 hw_params |= (1<<5);
235 break;
236 default:
237 printk(KERN_ERR "%s unsupported fs\n", __func__);
238 return -EINVAL;
239 }
240
241 pr_debug("%s dai_fmt: %d, params_format:%d\n", __func__,
242 uda134x->dai_fmt, params_format(params));
243
244 /* set DAI format and word length */
245 switch (uda134x->dai_fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
246 case SND_SOC_DAIFMT_I2S:
247 break;
248 case SND_SOC_DAIFMT_RIGHT_J:
249 switch (params_format(params)) {
250 case SNDRV_PCM_FORMAT_S16_LE:
251 hw_params |= (1<<1);
252 break;
253 case SNDRV_PCM_FORMAT_S18_3LE:
254 hw_params |= (1<<2);
255 break;
256 case SNDRV_PCM_FORMAT_S20_3LE:
257 hw_params |= ((1<<2) | (1<<1));
258 break;
259 default:
260 printk(KERN_ERR "%s unsupported format (right)\n",
261 __func__);
262 return -EINVAL;
263 }
264 break;
265 case SND_SOC_DAIFMT_LEFT_J:
266 hw_params |= (1<<3);
267 break;
268 default:
269 printk(KERN_ERR "%s unsupported format\n", __func__);
270 return -EINVAL;
271 }
272
273 uda134x_write(codec, UDA134X_STATUS0, hw_params);
274
275 return 0;
276}
277
278static int uda134x_set_dai_sysclk(struct snd_soc_dai *codec_dai,
279 int clk_id, unsigned int freq, int dir)
280{
281 struct snd_soc_codec *codec = codec_dai->codec;
Mark Brownb2c812e2010-04-14 15:35:19 +0900282 struct uda134x_priv *uda134x = snd_soc_codec_get_drvdata(codec);
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100283
Roel Kluin449bd542009-05-27 17:08:39 -0700284 pr_debug("%s clk_id: %d, freq: %u, dir: %d\n", __func__,
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100285 clk_id, freq, dir);
286
287 /* Anything between 256fs*8Khz and 512fs*48Khz should be acceptable
288 because the codec is slave. Of course limitations of the clock
289 master (the IIS controller) apply.
290 We'll error out on set_hw_params if it's not OK */
291 if ((freq >= (256 * 8000)) && (freq <= (512 * 48000))) {
292 uda134x->sysclk = freq;
293 return 0;
294 }
295
296 printk(KERN_ERR "%s unsupported sysclk\n", __func__);
297 return -EINVAL;
298}
299
300static int uda134x_set_dai_fmt(struct snd_soc_dai *codec_dai,
301 unsigned int fmt)
302{
303 struct snd_soc_codec *codec = codec_dai->codec;
Mark Brownb2c812e2010-04-14 15:35:19 +0900304 struct uda134x_priv *uda134x = snd_soc_codec_get_drvdata(codec);
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100305
306 pr_debug("%s fmt: %08X\n", __func__, fmt);
307
308 /* codec supports only full slave mode */
309 if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) != SND_SOC_DAIFMT_CBS_CFS) {
310 printk(KERN_ERR "%s unsupported slave mode\n", __func__);
311 return -EINVAL;
312 }
313
314 /* no support for clock inversion */
315 if ((fmt & SND_SOC_DAIFMT_INV_MASK) != SND_SOC_DAIFMT_NB_NF) {
316 printk(KERN_ERR "%s unsupported clock inversion\n", __func__);
317 return -EINVAL;
318 }
319
320 /* We can't setup DAI format here as it depends on the word bit num */
321 /* so let's just store the value for later */
322 uda134x->dai_fmt = fmt;
323
324 return 0;
325}
326
327static int uda134x_set_bias_level(struct snd_soc_codec *codec,
328 enum snd_soc_bias_level level)
329{
330 u8 reg;
331 struct uda134x_platform_data *pd = codec->control_data;
332 int i;
333 u8 *cache = codec->reg_cache;
334
335 pr_debug("%s bias level %d\n", __func__, level);
336
337 switch (level) {
338 case SND_SOC_BIAS_ON:
339 /* ADC, DAC on */
Vladimir Zapolskiy338de9d2010-06-24 17:19:25 +0400340 switch (pd->model) {
341 case UDA134X_UDA1340:
342 case UDA134X_UDA1344:
343 case UDA134X_UDA1345:
344 reg = uda134x_read_reg_cache(codec, UDA134X_DATA011);
345 uda134x_write(codec, UDA134X_DATA011, reg | 0x03);
346 break;
347 case UDA134X_UDA1341:
348 reg = uda134x_read_reg_cache(codec, UDA134X_STATUS1);
349 uda134x_write(codec, UDA134X_STATUS1, reg | 0x03);
350 break;
351 default:
352 printk(KERN_ERR "UDA134X SoC codec: "
353 "unsupported model %d\n", pd->model);
354 return -EINVAL;
355 }
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100356 break;
357 case SND_SOC_BIAS_PREPARE:
358 /* power on */
359 if (pd->power) {
360 pd->power(1);
361 /* Sync reg_cache with the hardware */
362 for (i = 0; i < ARRAY_SIZE(uda134x_reg); i++)
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000363 codec->driver->write(codec, i, *cache++);
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100364 }
365 break;
366 case SND_SOC_BIAS_STANDBY:
367 /* ADC, DAC power off */
Vladimir Zapolskiy338de9d2010-06-24 17:19:25 +0400368 switch (pd->model) {
369 case UDA134X_UDA1340:
370 case UDA134X_UDA1344:
371 case UDA134X_UDA1345:
372 reg = uda134x_read_reg_cache(codec, UDA134X_DATA011);
373 uda134x_write(codec, UDA134X_DATA011, reg & ~(0x03));
374 break;
375 case UDA134X_UDA1341:
376 reg = uda134x_read_reg_cache(codec, UDA134X_STATUS1);
377 uda134x_write(codec, UDA134X_STATUS1, reg & ~(0x03));
378 break;
379 default:
380 printk(KERN_ERR "UDA134X SoC codec: "
381 "unsupported model %d\n", pd->model);
382 return -EINVAL;
383 }
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100384 break;
385 case SND_SOC_BIAS_OFF:
386 /* power off */
387 if (pd->power)
388 pd->power(0);
389 break;
390 }
Liam Girdwoodce6120c2010-11-05 15:53:46 +0200391 codec->dapm.bias_level = level;
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100392 return 0;
393}
394
395static const char *uda134x_dsp_setting[] = {"Flat", "Minimum1",
396 "Minimum2", "Maximum"};
397static const char *uda134x_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"};
398static const char *uda134x_mixmode[] = {"Differential", "Analog1",
399 "Analog2", "Both"};
400
401static const struct soc_enum uda134x_mixer_enum[] = {
402SOC_ENUM_SINGLE(UDA134X_DATA010, 0, 0x04, uda134x_dsp_setting),
403SOC_ENUM_SINGLE(UDA134X_DATA010, 3, 0x04, uda134x_deemph),
404SOC_ENUM_SINGLE(UDA134X_EA010, 0, 0x04, uda134x_mixmode),
405};
406
407static const struct snd_kcontrol_new uda1341_snd_controls[] = {
408SOC_SINGLE("Master Playback Volume", UDA134X_DATA000, 0, 0x3F, 1),
409SOC_SINGLE("Capture Volume", UDA134X_EA010, 2, 0x07, 0),
410SOC_SINGLE("Analog1 Volume", UDA134X_EA000, 0, 0x1F, 1),
411SOC_SINGLE("Analog2 Volume", UDA134X_EA001, 0, 0x1F, 1),
412
413SOC_SINGLE("Mic Sensitivity", UDA134X_EA010, 2, 7, 0),
414SOC_SINGLE("Mic Volume", UDA134X_EA101, 0, 0x1F, 0),
415
416SOC_SINGLE("Tone Control - Bass", UDA134X_DATA001, 2, 0xF, 0),
417SOC_SINGLE("Tone Control - Treble", UDA134X_DATA001, 0, 3, 0),
418
419SOC_ENUM("Sound Processing Filter", uda134x_mixer_enum[0]),
420SOC_ENUM("PCM Playback De-emphasis", uda134x_mixer_enum[1]),
421SOC_ENUM("Input Mux", uda134x_mixer_enum[2]),
422
423SOC_SINGLE("AGC Switch", UDA134X_EA100, 4, 1, 0),
424SOC_SINGLE("AGC Target Volume", UDA134X_EA110, 0, 0x03, 1),
425SOC_SINGLE("AGC Timing", UDA134X_EA110, 2, 0x07, 0),
426
427SOC_SINGLE("DAC +6dB Switch", UDA134X_STATUS1, 6, 1, 0),
428SOC_SINGLE("ADC +6dB Switch", UDA134X_STATUS1, 5, 1, 0),
429SOC_SINGLE("ADC Polarity Switch", UDA134X_STATUS1, 4, 1, 0),
430SOC_SINGLE("DAC Polarity Switch", UDA134X_STATUS1, 3, 1, 0),
431SOC_SINGLE("Double Speed Playback Switch", UDA134X_STATUS1, 2, 1, 0),
432SOC_SINGLE("DC Filter Enable Switch", UDA134X_STATUS0, 0, 1, 0),
433};
434
435static const struct snd_kcontrol_new uda1340_snd_controls[] = {
436SOC_SINGLE("Master Playback Volume", UDA134X_DATA000, 0, 0x3F, 1),
437
438SOC_SINGLE("Tone Control - Bass", UDA134X_DATA001, 2, 0xF, 0),
439SOC_SINGLE("Tone Control - Treble", UDA134X_DATA001, 0, 3, 0),
440
441SOC_ENUM("Sound Processing Filter", uda134x_mixer_enum[0]),
442SOC_ENUM("PCM Playback De-emphasis", uda134x_mixer_enum[1]),
443
444SOC_SINGLE("DC Filter Enable Switch", UDA134X_STATUS0, 0, 1, 0),
445};
446
Vladimir Zapolskiyb28528a2010-04-26 14:56:57 +0400447static const struct snd_kcontrol_new uda1345_snd_controls[] = {
448SOC_SINGLE("Master Playback Volume", UDA134X_DATA000, 0, 0x3F, 1),
449
450SOC_ENUM("PCM Playback De-emphasis", uda134x_mixer_enum[1]),
451
452SOC_SINGLE("DC Filter Enable Switch", UDA134X_STATUS0, 0, 1, 0),
453};
454
Lars-Peter Clausen85e76522011-11-23 11:40:40 +0100455static const struct snd_soc_dai_ops uda134x_dai_ops = {
Eric Miao6335d052009-03-03 09:41:00 +0800456 .startup = uda134x_startup,
457 .shutdown = uda134x_shutdown,
458 .hw_params = uda134x_hw_params,
459 .digital_mute = uda134x_mute,
460 .set_sysclk = uda134x_set_dai_sysclk,
461 .set_fmt = uda134x_set_dai_fmt,
462};
463
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000464static struct snd_soc_dai_driver uda134x_dai = {
465 .name = "uda134x-hifi",
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100466 /* playback capabilities */
467 .playback = {
468 .stream_name = "Playback",
469 .channels_min = 1,
470 .channels_max = 2,
471 .rates = UDA134X_RATES,
472 .formats = UDA134X_FORMATS,
473 },
474 /* capture capabilities */
475 .capture = {
476 .stream_name = "Capture",
477 .channels_min = 1,
478 .channels_max = 2,
479 .rates = UDA134X_RATES,
480 .formats = UDA134X_FORMATS,
481 },
482 /* pcm operations */
Eric Miao6335d052009-03-03 09:41:00 +0800483 .ops = &uda134x_dai_ops,
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100484};
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100485
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000486static int uda134x_soc_probe(struct snd_soc_codec *codec)
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100487{
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100488 struct uda134x_priv *uda134x;
Marek Beliskoa110f4e2011-03-09 21:46:20 +0100489 struct uda134x_platform_data *pd = codec->card->dev->platform_data;
490
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000491 int ret;
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100492
493 printk(KERN_INFO "UDA134X SoC Audio Codec\n");
494
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000495 if (!pd) {
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100496 printk(KERN_ERR "UDA134X SoC codec: "
497 "missing L3 bitbang function\n");
498 return -ENODEV;
499 }
500
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100501 switch (pd->model) {
502 case UDA134X_UDA1340:
503 case UDA134X_UDA1341:
504 case UDA134X_UDA1344:
Vladimir Zapolskiyb28528a2010-04-26 14:56:57 +0400505 case UDA134X_UDA1345:
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100506 break;
507 default:
508 printk(KERN_ERR "UDA134X SoC codec: "
509 "unsupported model %d\n",
510 pd->model);
511 return -EINVAL;
512 }
513
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100514 uda134x = kzalloc(sizeof(struct uda134x_priv), GFP_KERNEL);
515 if (uda134x == NULL)
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000516 return -ENOMEM;
Mark Brownb2c812e2010-04-14 15:35:19 +0900517 snd_soc_codec_set_drvdata(codec, uda134x);
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100518
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000519 codec->control_data = pd;
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100520
521 if (pd->power)
522 pd->power(1);
523
524 uda134x_reset(codec);
525
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000526 if (pd->is_powered_on_standby)
Vladimir Zapolskiye4295b42010-06-24 17:38:51 +0400527 uda134x_set_bias_level(codec, SND_SOC_BIAS_ON);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000528 else
Vladimir Zapolskiye4295b42010-06-24 17:38:51 +0400529 uda134x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100530
Ian Molton3e8e1952009-01-09 00:23:21 +0000531 switch (pd->model) {
532 case UDA134X_UDA1340:
533 case UDA134X_UDA1344:
534 ret = snd_soc_add_controls(codec, uda1340_snd_controls,
535 ARRAY_SIZE(uda1340_snd_controls));
536 break;
537 case UDA134X_UDA1341:
538 ret = snd_soc_add_controls(codec, uda1341_snd_controls,
539 ARRAY_SIZE(uda1341_snd_controls));
540 break;
Vladimir Zapolskiyb28528a2010-04-26 14:56:57 +0400541 case UDA134X_UDA1345:
542 ret = snd_soc_add_controls(codec, uda1345_snd_controls,
543 ARRAY_SIZE(uda1345_snd_controls));
544 break;
Ian Molton3e8e1952009-01-09 00:23:21 +0000545 default:
André Goddard Rosaaf901ca2009-11-14 13:09:05 -0200546 printk(KERN_ERR "%s unknown codec type: %d",
Ian Molton3e8e1952009-01-09 00:23:21 +0000547 __func__, pd->model);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000548 kfree(uda134x);
549 return -EINVAL;
Ian Molton3e8e1952009-01-09 00:23:21 +0000550 }
551
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100552 if (ret < 0) {
553 printk(KERN_ERR "UDA134X: failed to register controls\n");
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000554 kfree(uda134x);
555 return ret;
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100556 }
557
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100558 return 0;
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100559}
560
561/* power down chip */
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000562static int uda134x_soc_remove(struct snd_soc_codec *codec)
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100563{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000564 struct uda134x_priv *uda134x = snd_soc_codec_get_drvdata(codec);
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100565
566 uda134x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
567 uda134x_set_bias_level(codec, SND_SOC_BIAS_OFF);
568
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000569 kfree(uda134x);
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100570 return 0;
571}
572
573#if defined(CONFIG_PM)
Lars-Peter Clausen84b315e2011-12-02 10:18:28 +0100574static int uda134x_soc_suspend(struct snd_soc_codec *codec)
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100575{
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100576 uda134x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
577 uda134x_set_bias_level(codec, SND_SOC_BIAS_OFF);
578 return 0;
579}
580
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000581static int uda134x_soc_resume(struct snd_soc_codec *codec)
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100582{
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100583 uda134x_set_bias_level(codec, SND_SOC_BIAS_PREPARE);
584 uda134x_set_bias_level(codec, SND_SOC_BIAS_ON);
585 return 0;
586}
587#else
588#define uda134x_soc_suspend NULL
589#define uda134x_soc_resume NULL
590#endif /* CONFIG_PM */
591
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000592static struct snd_soc_codec_driver soc_codec_dev_uda134x = {
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100593 .probe = uda134x_soc_probe,
594 .remove = uda134x_soc_remove,
595 .suspend = uda134x_soc_suspend,
596 .resume = uda134x_soc_resume,
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000597 .reg_cache_size = sizeof(uda134x_reg),
598 .reg_word_size = sizeof(u8),
Axel Lin2811fe22010-11-19 15:48:06 +0800599 .reg_cache_default = uda134x_reg,
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000600 .reg_cache_step = 1,
601 .read = uda134x_read_reg_cache,
602 .write = uda134x_write,
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000603 .set_bias_level = uda134x_set_bias_level,
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100604};
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100605
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000606static int __devinit uda134x_codec_probe(struct platform_device *pdev)
Mark Brown64089b82008-12-08 19:17:58 +0000607{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000608 return snd_soc_register_codec(&pdev->dev,
609 &soc_codec_dev_uda134x, &uda134x_dai, 1);
Mark Brown64089b82008-12-08 19:17:58 +0000610}
Mark Brown64089b82008-12-08 19:17:58 +0000611
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000612static int __devexit uda134x_codec_remove(struct platform_device *pdev)
Mark Brown64089b82008-12-08 19:17:58 +0000613{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000614 snd_soc_unregister_codec(&pdev->dev);
615 return 0;
Mark Brown64089b82008-12-08 19:17:58 +0000616}
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000617
618static struct platform_driver uda134x_codec_driver = {
619 .driver = {
620 .name = "uda134x-codec",
621 .owner = THIS_MODULE,
622 },
623 .probe = uda134x_codec_probe,
624 .remove = __devexit_p(uda134x_codec_remove),
625};
626
Mark Brown5bbcc3c2011-11-23 22:52:08 +0000627module_platform_driver(uda134x_codec_driver);
Mark Brown64089b82008-12-08 19:17:58 +0000628
Christian Pellegrin1cad1de2008-11-15 08:58:16 +0100629MODULE_DESCRIPTION("UDA134X ALSA soc codec driver");
630MODULE_AUTHOR("Zoltan Devai, Christian Pellegrin <chripell@evolware.org>");
631MODULE_LICENSE("GPL");