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-rw-r--r--sound/soc/codecs/Kconfig4
-rw-r--r--sound/soc/codecs/Makefile4
-rw-r--r--sound/soc/codecs/ad1938.c521
-rw-r--r--sound/soc/codecs/ad1938.h100
-rw-r--r--sound/soc/codecs/ad193x.c560
-rw-r--r--sound/soc/codecs/ad193x.h83
6 files changed, 647 insertions, 625 deletions
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 398cbb0e79fd..bc0ab47e156b 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -13,7 +13,7 @@ config SND_SOC_ALL_CODECS
13 select SND_SOC_L3 13 select SND_SOC_L3
14 select SND_SOC_AC97_CODEC if SND_SOC_AC97_BUS 14 select SND_SOC_AC97_CODEC if SND_SOC_AC97_BUS
15 select SND_SOC_AD1836 if SPI_MASTER 15 select SND_SOC_AD1836 if SPI_MASTER
16 select SND_SOC_AD1938 if SPI_MASTER 16 select SND_SOC_AD193X if SND_SOC_I2C_AND_SPI
17 select SND_SOC_AD1980 if SND_SOC_AC97_BUS 17 select SND_SOC_AD1980 if SND_SOC_AC97_BUS
18 select SND_SOC_ADS117X 18 select SND_SOC_ADS117X
19 select SND_SOC_AD73311 if I2C 19 select SND_SOC_AD73311 if I2C
@@ -92,7 +92,7 @@ config SND_SOC_AC97_CODEC
92config SND_SOC_AD1836 92config SND_SOC_AD1836
93 tristate 93 tristate
94 94
95config SND_SOC_AD1938 95config SND_SOC_AD193X
96 tristate 96 tristate
97 97
98config SND_SOC_AD1980 98config SND_SOC_AD1980
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index 98bd10c8fd3a..337904167358 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -1,6 +1,6 @@
1snd-soc-ac97-objs := ac97.o 1snd-soc-ac97-objs := ac97.o
2snd-soc-ad1836-objs := ad1836.o 2snd-soc-ad1836-objs := ad1836.o
3snd-soc-ad1938-objs := ad1938.o 3snd-soc-ad193x-objs := ad193x.o
4snd-soc-ad1980-objs := ad1980.o 4snd-soc-ad1980-objs := ad1980.o
5snd-soc-ad73311-objs := ad73311.o 5snd-soc-ad73311-objs := ad73311.o
6snd-soc-ads117x-objs := ads117x.o 6snd-soc-ads117x-objs := ads117x.o
@@ -64,7 +64,7 @@ snd-soc-wm2000-objs := wm2000.o
64 64
65obj-$(CONFIG_SND_SOC_AC97_CODEC) += snd-soc-ac97.o 65obj-$(CONFIG_SND_SOC_AC97_CODEC) += snd-soc-ac97.o
66obj-$(CONFIG_SND_SOC_AD1836) += snd-soc-ad1836.o 66obj-$(CONFIG_SND_SOC_AD1836) += snd-soc-ad1836.o
67obj-$(CONFIG_SND_SOC_AD1938) += snd-soc-ad1938.o 67obj-$(CONFIG_SND_SOC_AD193X) += snd-soc-ad193x.o
68obj-$(CONFIG_SND_SOC_AD1980) += snd-soc-ad1980.o 68obj-$(CONFIG_SND_SOC_AD1980) += snd-soc-ad1980.o
69obj-$(CONFIG_SND_SOC_AD73311) += snd-soc-ad73311.o 69obj-$(CONFIG_SND_SOC_AD73311) += snd-soc-ad73311.o
70obj-$(CONFIG_SND_SOC_ADS117X) += snd-soc-ads117x.o 70obj-$(CONFIG_SND_SOC_ADS117X) += snd-soc-ads117x.o
diff --git a/sound/soc/codecs/ad1938.c b/sound/soc/codecs/ad1938.c
deleted file mode 100644
index c233810d463d..000000000000
--- a/sound/soc/codecs/ad1938.c
+++ /dev/null
@@ -1,521 +0,0 @@
1/*
2 * File: sound/soc/codecs/ad1938.c
3 * Author: Barry Song <Barry.Song@analog.com>
4 *
5 * Created: June 04 2009
6 * Description: Driver for AD1938 sound chip
7 *
8 * Modified:
9 * Copyright 2009 Analog Devices Inc.
10 *
11 * Bugs: Enter bugs at http://blackfin.uclinux.org/
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, see the file COPYING, or write
25 * to the Free Software Foundation, Inc.,
26 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
27 */
28
29#include <linux/init.h>
30#include <linux/module.h>
31#include <linux/kernel.h>
32#include <linux/device.h>
33#include <sound/core.h>
34#include <sound/pcm.h>
35#include <sound/pcm_params.h>
36#include <sound/initval.h>
37#include <sound/soc.h>
38#include <sound/tlv.h>
39#include <sound/soc-dapm.h>
40#include <linux/spi/spi.h>
41#include "ad1938.h"
42
43/* codec private data */
44struct ad1938_priv {
45 struct snd_soc_codec codec;
46 u8 reg_cache[AD1938_NUM_REGS];
47};
48
49/* ad1938 register cache & default register settings */
50static const u8 ad1938_reg[AD1938_NUM_REGS] = {
51 0, 0, 0, 0, 0, 0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0,
52};
53
54static struct snd_soc_codec *ad1938_codec;
55struct snd_soc_codec_device soc_codec_dev_ad1938;
56static int ad1938_register(struct ad1938_priv *ad1938);
57static void ad1938_unregister(struct ad1938_priv *ad1938);
58
59/*
60 * AD1938 volume/mute/de-emphasis etc. controls
61 */
62static const char *ad1938_deemp[] = {"None", "48kHz", "44.1kHz", "32kHz"};
63
64static const struct soc_enum ad1938_deemp_enum =
65 SOC_ENUM_SINGLE(AD1938_DAC_CTRL2, 1, 4, ad1938_deemp);
66
67static const struct snd_kcontrol_new ad1938_snd_controls[] = {
68 /* DAC volume control */
69 SOC_DOUBLE_R("DAC1 Volume", AD1938_DAC_L1_VOL,
70 AD1938_DAC_R1_VOL, 0, 0xFF, 1),
71 SOC_DOUBLE_R("DAC2 Volume", AD1938_DAC_L2_VOL,
72 AD1938_DAC_R2_VOL, 0, 0xFF, 1),
73 SOC_DOUBLE_R("DAC3 Volume", AD1938_DAC_L3_VOL,
74 AD1938_DAC_R3_VOL, 0, 0xFF, 1),
75 SOC_DOUBLE_R("DAC4 Volume", AD1938_DAC_L4_VOL,
76 AD1938_DAC_R4_VOL, 0, 0xFF, 1),
77
78 /* ADC switch control */
79 SOC_DOUBLE("ADC1 Switch", AD1938_ADC_CTRL0, AD1938_ADCL1_MUTE,
80 AD1938_ADCR1_MUTE, 1, 1),
81 SOC_DOUBLE("ADC2 Switch", AD1938_ADC_CTRL0, AD1938_ADCL2_MUTE,
82 AD1938_ADCR2_MUTE, 1, 1),
83
84 /* DAC switch control */
85 SOC_DOUBLE("DAC1 Switch", AD1938_DAC_CHNL_MUTE, AD1938_DACL1_MUTE,
86 AD1938_DACR1_MUTE, 1, 1),
87 SOC_DOUBLE("DAC2 Switch", AD1938_DAC_CHNL_MUTE, AD1938_DACL2_MUTE,
88 AD1938_DACR2_MUTE, 1, 1),
89 SOC_DOUBLE("DAC3 Switch", AD1938_DAC_CHNL_MUTE, AD1938_DACL3_MUTE,
90 AD1938_DACR3_MUTE, 1, 1),
91 SOC_DOUBLE("DAC4 Switch", AD1938_DAC_CHNL_MUTE, AD1938_DACL4_MUTE,
92 AD1938_DACR4_MUTE, 1, 1),
93
94 /* ADC high-pass filter */
95 SOC_SINGLE("ADC High Pass Filter Switch", AD1938_ADC_CTRL0,
96 AD1938_ADC_HIGHPASS_FILTER, 1, 0),
97
98 /* DAC de-emphasis */
99 SOC_ENUM("Playback Deemphasis", ad1938_deemp_enum),
100};
101
102static const struct snd_soc_dapm_widget ad1938_dapm_widgets[] = {
103 SND_SOC_DAPM_DAC("DAC", "Playback", AD1938_DAC_CTRL0, 0, 1),
104 SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0),
105 SND_SOC_DAPM_SUPPLY("PLL_PWR", AD1938_PLL_CLK_CTRL0, 0, 1, NULL, 0),
106 SND_SOC_DAPM_SUPPLY("ADC_PWR", AD1938_ADC_CTRL0, 0, 1, NULL, 0),
107 SND_SOC_DAPM_OUTPUT("DAC1OUT"),
108 SND_SOC_DAPM_OUTPUT("DAC2OUT"),
109 SND_SOC_DAPM_OUTPUT("DAC3OUT"),
110 SND_SOC_DAPM_OUTPUT("DAC4OUT"),
111 SND_SOC_DAPM_INPUT("ADC1IN"),
112 SND_SOC_DAPM_INPUT("ADC2IN"),
113};
114
115static const struct snd_soc_dapm_route audio_paths[] = {
116 { "DAC", NULL, "PLL_PWR" },
117 { "ADC", NULL, "PLL_PWR" },
118 { "DAC", NULL, "ADC_PWR" },
119 { "ADC", NULL, "ADC_PWR" },
120 { "DAC1OUT", "DAC1 Switch", "DAC" },
121 { "DAC2OUT", "DAC2 Switch", "DAC" },
122 { "DAC3OUT", "DAC3 Switch", "DAC" },
123 { "DAC4OUT", "DAC4 Switch", "DAC" },
124 { "ADC", "ADC1 Switch", "ADC1IN" },
125 { "ADC", "ADC2 Switch", "ADC2IN" },
126};
127
128/*
129 * DAI ops entries
130 */
131
132static int ad1938_mute(struct snd_soc_dai *dai, int mute)
133{
134 struct snd_soc_codec *codec = dai->codec;
135 int reg;
136
137 reg = snd_soc_read(codec, AD1938_DAC_CTRL2);
138 reg = (mute > 0) ? reg | AD1938_DAC_MASTER_MUTE : reg &
139 (~AD1938_DAC_MASTER_MUTE);
140 snd_soc_write(codec, AD1938_DAC_CTRL2, reg);
141
142 return 0;
143}
144
145static int ad1938_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
146 unsigned int rx_mask, int slots, int width)
147{
148 struct snd_soc_codec *codec = dai->codec;
149 int dac_reg = snd_soc_read(codec, AD1938_DAC_CTRL1);
150 int adc_reg = snd_soc_read(codec, AD1938_ADC_CTRL2);
151
152 dac_reg &= ~AD1938_DAC_CHAN_MASK;
153 adc_reg &= ~AD1938_ADC_CHAN_MASK;
154
155 switch (slots) {
156 case 2:
157 dac_reg |= AD1938_DAC_2_CHANNELS << AD1938_DAC_CHAN_SHFT;
158 adc_reg |= AD1938_ADC_2_CHANNELS << AD1938_ADC_CHAN_SHFT;
159 break;
160 case 4:
161 dac_reg |= AD1938_DAC_4_CHANNELS << AD1938_DAC_CHAN_SHFT;
162 adc_reg |= AD1938_ADC_4_CHANNELS << AD1938_ADC_CHAN_SHFT;
163 break;
164 case 8:
165 dac_reg |= AD1938_DAC_8_CHANNELS << AD1938_DAC_CHAN_SHFT;
166 adc_reg |= AD1938_ADC_8_CHANNELS << AD1938_ADC_CHAN_SHFT;
167 break;
168 case 16:
169 dac_reg |= AD1938_DAC_16_CHANNELS << AD1938_DAC_CHAN_SHFT;
170 adc_reg |= AD1938_ADC_16_CHANNELS << AD1938_ADC_CHAN_SHFT;
171 break;
172 default:
173 return -EINVAL;
174 }
175
176 snd_soc_write(codec, AD1938_DAC_CTRL1, dac_reg);
177 snd_soc_write(codec, AD1938_ADC_CTRL2, adc_reg);
178
179 return 0;
180}
181
182static int ad1938_set_dai_fmt(struct snd_soc_dai *codec_dai,
183 unsigned int fmt)
184{
185 struct snd_soc_codec *codec = codec_dai->codec;
186 int adc_reg, dac_reg;
187
188 adc_reg = snd_soc_read(codec, AD1938_ADC_CTRL2);
189 dac_reg = snd_soc_read(codec, AD1938_DAC_CTRL1);
190
191 /* At present, the driver only support AUX ADC mode(SND_SOC_DAIFMT_I2S
192 * with TDM) and ADC&DAC TDM mode(SND_SOC_DAIFMT_DSP_A)
193 */
194 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
195 case SND_SOC_DAIFMT_I2S:
196 adc_reg &= ~AD1938_ADC_SERFMT_MASK;
197 adc_reg |= AD1938_ADC_SERFMT_TDM;
198 break;
199 case SND_SOC_DAIFMT_DSP_A:
200 adc_reg &= ~AD1938_ADC_SERFMT_MASK;
201 adc_reg |= AD1938_ADC_SERFMT_AUX;
202 break;
203 default:
204 return -EINVAL;
205 }
206
207 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
208 case SND_SOC_DAIFMT_NB_NF: /* normal bit clock + frame */
209 adc_reg &= ~AD1938_ADC_LEFT_HIGH;
210 adc_reg &= ~AD1938_ADC_BCLK_INV;
211 dac_reg &= ~AD1938_DAC_LEFT_HIGH;
212 dac_reg &= ~AD1938_DAC_BCLK_INV;
213 break;
214 case SND_SOC_DAIFMT_NB_IF: /* normal bclk + invert frm */
215 adc_reg |= AD1938_ADC_LEFT_HIGH;
216 adc_reg &= ~AD1938_ADC_BCLK_INV;
217 dac_reg |= AD1938_DAC_LEFT_HIGH;
218 dac_reg &= ~AD1938_DAC_BCLK_INV;
219 break;
220 case SND_SOC_DAIFMT_IB_NF: /* invert bclk + normal frm */
221 adc_reg &= ~AD1938_ADC_LEFT_HIGH;
222 adc_reg |= AD1938_ADC_BCLK_INV;
223 dac_reg &= ~AD1938_DAC_LEFT_HIGH;
224 dac_reg |= AD1938_DAC_BCLK_INV;
225 break;
226
227 case SND_SOC_DAIFMT_IB_IF: /* invert bclk + frm */
228 adc_reg |= AD1938_ADC_LEFT_HIGH;
229 adc_reg |= AD1938_ADC_BCLK_INV;
230 dac_reg |= AD1938_DAC_LEFT_HIGH;
231 dac_reg |= AD1938_DAC_BCLK_INV;
232 break;
233 default:
234 return -EINVAL;
235 }
236
237 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
238 case SND_SOC_DAIFMT_CBM_CFM: /* codec clk & frm master */
239 adc_reg |= AD1938_ADC_LCR_MASTER;
240 adc_reg |= AD1938_ADC_BCLK_MASTER;
241 dac_reg |= AD1938_DAC_LCR_MASTER;
242 dac_reg |= AD1938_DAC_BCLK_MASTER;
243 break;
244 case SND_SOC_DAIFMT_CBS_CFM: /* codec clk slave & frm master */
245 adc_reg |= AD1938_ADC_LCR_MASTER;
246 adc_reg &= ~AD1938_ADC_BCLK_MASTER;
247 dac_reg |= AD1938_DAC_LCR_MASTER;
248 dac_reg &= ~AD1938_DAC_BCLK_MASTER;
249 break;
250 case SND_SOC_DAIFMT_CBM_CFS: /* codec clk master & frame slave */
251 adc_reg &= ~AD1938_ADC_LCR_MASTER;
252 adc_reg |= AD1938_ADC_BCLK_MASTER;
253 dac_reg &= ~AD1938_DAC_LCR_MASTER;
254 dac_reg |= AD1938_DAC_BCLK_MASTER;
255 break;
256 case SND_SOC_DAIFMT_CBS_CFS: /* codec clk & frm slave */
257 adc_reg &= ~AD1938_ADC_LCR_MASTER;
258 adc_reg &= ~AD1938_ADC_BCLK_MASTER;
259 dac_reg &= ~AD1938_DAC_LCR_MASTER;
260 dac_reg &= ~AD1938_DAC_BCLK_MASTER;
261 break;
262 default:
263 return -EINVAL;
264 }
265
266 snd_soc_write(codec, AD1938_ADC_CTRL2, adc_reg);
267 snd_soc_write(codec, AD1938_DAC_CTRL1, dac_reg);
268
269 return 0;
270}
271
272static int ad1938_hw_params(struct snd_pcm_substream *substream,
273 struct snd_pcm_hw_params *params,
274 struct snd_soc_dai *dai)
275{
276 int word_len = 0, reg = 0;
277
278 struct snd_soc_pcm_runtime *rtd = substream->private_data;
279 struct snd_soc_device *socdev = rtd->socdev;
280 struct snd_soc_codec *codec = socdev->card->codec;
281
282 /* bit size */
283 switch (params_format(params)) {
284 case SNDRV_PCM_FORMAT_S16_LE:
285 word_len = 3;
286 break;
287 case SNDRV_PCM_FORMAT_S20_3LE:
288 word_len = 1;
289 break;
290 case SNDRV_PCM_FORMAT_S24_LE:
291 case SNDRV_PCM_FORMAT_S32_LE:
292 word_len = 0;
293 break;
294 }
295
296 reg = snd_soc_read(codec, AD1938_DAC_CTRL2);
297 reg = (reg & (~AD1938_DAC_WORD_LEN_MASK)) | word_len;
298 snd_soc_write(codec, AD1938_DAC_CTRL2, reg);
299
300 reg = snd_soc_read(codec, AD1938_ADC_CTRL1);
301 reg = (reg & (~AD1938_ADC_WORD_LEN_MASK)) | word_len;
302 snd_soc_write(codec, AD1938_ADC_CTRL1, reg);
303
304 return 0;
305}
306
307static int __devinit ad1938_spi_probe(struct spi_device *spi)
308{
309 struct snd_soc_codec *codec;
310 struct ad1938_priv *ad1938;
311
312 ad1938 = kzalloc(sizeof(struct ad1938_priv), GFP_KERNEL);
313 if (ad1938 == NULL)
314 return -ENOMEM;
315
316 codec = &ad1938->codec;
317 codec->control_data = spi;
318 codec->dev = &spi->dev;
319
320 dev_set_drvdata(&spi->dev, ad1938);
321
322 return ad1938_register(ad1938);
323}
324
325static int __devexit ad1938_spi_remove(struct spi_device *spi)
326{
327 struct ad1938_priv *ad1938 = dev_get_drvdata(&spi->dev);
328
329 ad1938_unregister(ad1938);
330 return 0;
331}
332
333static struct spi_driver ad1938_spi_driver = {
334 .driver = {
335 .name = "ad1938",
336 .owner = THIS_MODULE,
337 },
338 .probe = ad1938_spi_probe,
339 .remove = __devexit_p(ad1938_spi_remove),
340};
341
342static struct snd_soc_dai_ops ad1938_dai_ops = {
343 .hw_params = ad1938_hw_params,
344 .digital_mute = ad1938_mute,
345 .set_tdm_slot = ad1938_set_tdm_slot,
346 .set_fmt = ad1938_set_dai_fmt,
347};
348
349/* codec DAI instance */
350struct snd_soc_dai ad1938_dai = {
351 .name = "AD1938",
352 .playback = {
353 .stream_name = "Playback",
354 .channels_min = 2,
355 .channels_max = 8,
356 .rates = SNDRV_PCM_RATE_48000,
357 .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE |
358 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE,
359 },
360 .capture = {
361 .stream_name = "Capture",
362 .channels_min = 2,
363 .channels_max = 4,
364 .rates = SNDRV_PCM_RATE_48000,
365 .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE |
366 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE,
367 },
368 .ops = &ad1938_dai_ops,
369};
370EXPORT_SYMBOL_GPL(ad1938_dai);
371
372static int ad1938_register(struct ad1938_priv *ad1938)
373{
374 int ret;
375 struct snd_soc_codec *codec = &ad1938->codec;
376
377 if (ad1938_codec) {
378 dev_err(codec->dev, "Another ad1938 is registered\n");
379 return -EINVAL;
380 }
381
382 mutex_init(&codec->mutex);
383 INIT_LIST_HEAD(&codec->dapm_widgets);
384 INIT_LIST_HEAD(&codec->dapm_paths);
385 codec->private_data = ad1938;
386 codec->reg_cache = ad1938->reg_cache;
387 codec->reg_cache_size = AD1938_NUM_REGS;
388 codec->name = "AD1938";
389 codec->owner = THIS_MODULE;
390 codec->dai = &ad1938_dai;
391 codec->num_dai = 1;
392 INIT_LIST_HEAD(&codec->dapm_widgets);
393 INIT_LIST_HEAD(&codec->dapm_paths);
394
395 ad1938_dai.dev = codec->dev;
396 ad1938_codec = codec;
397
398 memcpy(codec->reg_cache, ad1938_reg, AD1938_NUM_REGS);
399
400 ret = snd_soc_codec_set_cache_io(codec, 16, 8, SND_SOC_SPI);
401 if (ret < 0) {
402 dev_err(codec->dev, "failed to set cache I/O: %d\n",
403 ret);
404 kfree(ad1938);
405 return ret;
406 }
407
408 /* default setting for ad1938 */
409
410 /* unmute dac channels */
411 snd_soc_write(codec, AD1938_DAC_CHNL_MUTE, 0x0);
412 /* de-emphasis: 48kHz, powedown dac */
413 snd_soc_write(codec, AD1938_DAC_CTRL2, 0x1A);
414 /* powerdown dac, dac in tdm mode */
415 snd_soc_write(codec, AD1938_DAC_CTRL0, 0x41);
416 /* high-pass filter enable */
417 snd_soc_write(codec, AD1938_ADC_CTRL0, 0x3);
418 /* sata delay=1, adc aux mode */
419 snd_soc_write(codec, AD1938_ADC_CTRL1, 0x43);
420 /* pll input: mclki/xi */
421 snd_soc_write(codec, AD1938_PLL_CLK_CTRL0, 0x9D);
422 snd_soc_write(codec, AD1938_PLL_CLK_CTRL1, 0x04);
423
424 ret = snd_soc_register_codec(codec);
425 if (ret != 0) {
426 dev_err(codec->dev, "Failed to register codec: %d\n", ret);
427 kfree(ad1938);
428 return ret;
429 }
430
431 ret = snd_soc_register_dai(&ad1938_dai);
432 if (ret != 0) {
433 dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
434 snd_soc_unregister_codec(codec);
435 kfree(ad1938);
436 return ret;
437 }
438
439 return 0;
440}
441
442static void ad1938_unregister(struct ad1938_priv *ad1938)
443{
444 snd_soc_unregister_dai(&ad1938_dai);
445 snd_soc_unregister_codec(&ad1938->codec);
446 kfree(ad1938);
447 ad1938_codec = NULL;
448}
449
450static int ad1938_probe(struct platform_device *pdev)
451{
452 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
453 struct snd_soc_codec *codec;
454 int ret = 0;
455
456 if (ad1938_codec == NULL) {
457 dev_err(&pdev->dev, "Codec device not registered\n");
458 return -ENODEV;
459 }
460
461 socdev->card->codec = ad1938_codec;
462 codec = ad1938_codec;
463
464 /* register pcms */
465 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
466 if (ret < 0) {
467 dev_err(codec->dev, "failed to create pcms: %d\n", ret);
468 goto pcm_err;
469 }
470
471 snd_soc_add_controls(codec, ad1938_snd_controls,
472 ARRAY_SIZE(ad1938_snd_controls));
473 snd_soc_dapm_new_controls(codec, ad1938_dapm_widgets,
474 ARRAY_SIZE(ad1938_dapm_widgets));
475 snd_soc_dapm_add_routes(codec, audio_paths, ARRAY_SIZE(audio_paths));
476
477
478pcm_err:
479 return ret;
480}
481
482/* power down chip */
483static int ad1938_remove(struct platform_device *pdev)
484{
485 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
486
487 snd_soc_free_pcms(socdev);
488 snd_soc_dapm_free(socdev);
489
490 return 0;
491}
492
493struct snd_soc_codec_device soc_codec_dev_ad1938 = {
494 .probe = ad1938_probe,
495 .remove = ad1938_remove,
496};
497EXPORT_SYMBOL_GPL(soc_codec_dev_ad1938);
498
499static int __init ad1938_init(void)
500{
501 int ret;
502
503 ret = spi_register_driver(&ad1938_spi_driver);
504 if (ret != 0) {
505 printk(KERN_ERR "Failed to register ad1938 SPI driver: %d\n",
506 ret);
507 }
508
509 return ret;
510}
511module_init(ad1938_init);
512
513static void __exit ad1938_exit(void)
514{
515 spi_unregister_driver(&ad1938_spi_driver);
516}
517module_exit(ad1938_exit);
518
519MODULE_DESCRIPTION("ASoC ad1938 driver");
520MODULE_AUTHOR("Barry Song ");
521MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/ad1938.h b/sound/soc/codecs/ad1938.h
deleted file mode 100644
index fe3c48cd2d5b..000000000000
--- a/sound/soc/codecs/ad1938.h
+++ /dev/null
@@ -1,100 +0,0 @@
1/*
2 * File: sound/soc/codecs/ad1836.h
3 * Based on:
4 * Author: Barry Song <Barry.Song@analog.com>
5 *
6 * Created: May 25, 2009
7 * Description: definitions for AD1938 registers
8 *
9 * Modified:
10 *
11 * Bugs: Enter bugs at http://blackfin.uclinux.org/
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, see the file COPYING, or write
25 * to the Free Software Foundation, Inc.,
26 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
27 */
28
29#ifndef __AD1938_H__
30#define __AD1938_H__
31
32#define AD1938_PLL_CLK_CTRL0 0
33#define AD1938_PLL_POWERDOWN 0x01
34#define AD1938_PLL_CLK_CTRL1 1
35#define AD1938_DAC_CTRL0 2
36#define AD1938_DAC_POWERDOWN 0x01
37#define AD1938_DAC_SERFMT_MASK 0xC0
38#define AD1938_DAC_SERFMT_STEREO (0 << 6)
39#define AD1938_DAC_SERFMT_TDM (1 << 6)
40#define AD1938_DAC_CTRL1 3
41#define AD1938_DAC_2_CHANNELS 0
42#define AD1938_DAC_4_CHANNELS 1
43#define AD1938_DAC_8_CHANNELS 2
44#define AD1938_DAC_16_CHANNELS 3
45#define AD1938_DAC_CHAN_SHFT 1
46#define AD1938_DAC_CHAN_MASK (3 << AD1938_DAC_CHAN_SHFT)
47#define AD1938_DAC_LCR_MASTER (1 << 4)
48#define AD1938_DAC_BCLK_MASTER (1 << 5)
49#define AD1938_DAC_LEFT_HIGH (1 << 3)
50#define AD1938_DAC_BCLK_INV (1 << 7)
51#define AD1938_DAC_CTRL2 4
52#define AD1938_DAC_WORD_LEN_MASK 0xC
53#define AD1938_DAC_MASTER_MUTE 1
54#define AD1938_DAC_CHNL_MUTE 5
55#define AD1938_DACL1_MUTE 0
56#define AD1938_DACR1_MUTE 1
57#define AD1938_DACL2_MUTE 2
58#define AD1938_DACR2_MUTE 3
59#define AD1938_DACL3_MUTE 4
60#define AD1938_DACR3_MUTE 5
61#define AD1938_DACL4_MUTE 6
62#define AD1938_DACR4_MUTE 7
63#define AD1938_DAC_L1_VOL 6
64#define AD1938_DAC_R1_VOL 7
65#define AD1938_DAC_L2_VOL 8
66#define AD1938_DAC_R2_VOL 9
67#define AD1938_DAC_L3_VOL 10
68#define AD1938_DAC_R3_VOL 11
69#define AD1938_DAC_L4_VOL 12
70#define AD1938_DAC_R4_VOL 13
71#define AD1938_ADC_CTRL0 14
72#define AD1938_ADC_POWERDOWN 0x01
73#define AD1938_ADC_HIGHPASS_FILTER 1
74#define AD1938_ADCL1_MUTE 2
75#define AD1938_ADCR1_MUTE 3
76#define AD1938_ADCL2_MUTE 4
77#define AD1938_ADCR2_MUTE 5
78#define AD1938_ADC_CTRL1 15
79#define AD1938_ADC_SERFMT_MASK 0x60
80#define AD1938_ADC_SERFMT_STEREO (0 << 5)
81#define AD1938_ADC_SERFMT_TDM (1 << 2)
82#define AD1938_ADC_SERFMT_AUX (2 << 5)
83#define AD1938_ADC_WORD_LEN_MASK 0x3
84#define AD1938_ADC_CTRL2 16
85#define AD1938_ADC_2_CHANNELS 0
86#define AD1938_ADC_4_CHANNELS 1
87#define AD1938_ADC_8_CHANNELS 2
88#define AD1938_ADC_16_CHANNELS 3
89#define AD1938_ADC_CHAN_SHFT 4
90#define AD1938_ADC_CHAN_MASK (3 << AD1938_ADC_CHAN_SHFT)
91#define AD1938_ADC_LCR_MASTER (1 << 3)
92#define AD1938_ADC_BCLK_MASTER (1 << 6)
93#define AD1938_ADC_LEFT_HIGH (1 << 2)
94#define AD1938_ADC_BCLK_INV (1 << 1)
95
96#define AD1938_NUM_REGS 17
97
98extern struct snd_soc_dai ad1938_dai;
99extern struct snd_soc_codec_device soc_codec_dev_ad1938;
100#endif
diff --git a/sound/soc/codecs/ad193x.c b/sound/soc/codecs/ad193x.c
new file mode 100644
index 000000000000..d7426990b66e
--- /dev/null
+++ b/sound/soc/codecs/ad193x.c
@@ -0,0 +1,560 @@
1/*
2 * AD193X Audio Codec driver supporting AD1936/7/8/9
3 *
4 * Copyright 2010 Analog Devices Inc.
5 *
6 * Licensed under the GPL-2 or later.
7 */
8
9#include <linux/init.h>
10#include <linux/module.h>
11#include <linux/kernel.h>
12#include <linux/device.h>
13#include <linux/i2c.h>
14#include <linux/spi/spi.h>
15#include <sound/core.h>
16#include <sound/pcm.h>
17#include <sound/pcm_params.h>
18#include <sound/initval.h>
19#include <sound/soc.h>
20#include <sound/tlv.h>
21#include <sound/soc-dapm.h>
22#include "ad193x.h"
23
24/* codec private data */
25struct ad193x_priv {
26 struct snd_soc_codec codec;
27 u8 reg_cache[AD193X_NUM_REGS];
28};
29
30/* ad193x register cache & default register settings */
31static const u8 ad193x_reg[AD193X_NUM_REGS] = {
32 0, 0, 0, 0, 0, 0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0,
33};
34
35static struct snd_soc_codec *ad193x_codec;
36struct snd_soc_codec_device soc_codec_dev_ad193x;
37static int ad193x_register(struct ad193x_priv *ad193x, int bus_type);
38static void ad193x_unregister(struct ad193x_priv *ad193x);
39
40/*
41 * AD193X volume/mute/de-emphasis etc. controls
42 */
43static const char *ad193x_deemp[] = {"None", "48kHz", "44.1kHz", "32kHz"};
44
45static const struct soc_enum ad193x_deemp_enum =
46 SOC_ENUM_SINGLE(AD193X_DAC_CTRL2, 1, 4, ad193x_deemp);
47
48static const struct snd_kcontrol_new ad193x_snd_controls[] = {
49 /* DAC volume control */
50 SOC_DOUBLE_R("DAC1 Volume", AD193X_DAC_L1_VOL,
51 AD193X_DAC_R1_VOL, 0, 0xFF, 1),
52 SOC_DOUBLE_R("DAC2 Volume", AD193X_DAC_L2_VOL,
53 AD193X_DAC_R2_VOL, 0, 0xFF, 1),
54 SOC_DOUBLE_R("DAC3 Volume", AD193X_DAC_L3_VOL,
55 AD193X_DAC_R3_VOL, 0, 0xFF, 1),
56 SOC_DOUBLE_R("DAC4 Volume", AD193X_DAC_L4_VOL,
57 AD193X_DAC_R4_VOL, 0, 0xFF, 1),
58
59 /* ADC switch control */
60 SOC_DOUBLE("ADC1 Switch", AD193X_ADC_CTRL0, AD193X_ADCL1_MUTE,
61 AD193X_ADCR1_MUTE, 1, 1),
62 SOC_DOUBLE("ADC2 Switch", AD193X_ADC_CTRL0, AD193X_ADCL2_MUTE,
63 AD193X_ADCR2_MUTE, 1, 1),
64
65 /* DAC switch control */
66 SOC_DOUBLE("DAC1 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL1_MUTE,
67 AD193X_DACR1_MUTE, 1, 1),
68 SOC_DOUBLE("DAC2 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL2_MUTE,
69 AD193X_DACR2_MUTE, 1, 1),
70 SOC_DOUBLE("DAC3 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL3_MUTE,
71 AD193X_DACR3_MUTE, 1, 1),
72 SOC_DOUBLE("DAC4 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL4_MUTE,
73 AD193X_DACR4_MUTE, 1, 1),
74
75 /* ADC high-pass filter */
76 SOC_SINGLE("ADC High Pass Filter Switch", AD193X_ADC_CTRL0,
77 AD193X_ADC_HIGHPASS_FILTER, 1, 0),
78
79 /* DAC de-emphasis */
80 SOC_ENUM("Playback Deemphasis", ad193x_deemp_enum),
81};
82
83static const struct snd_soc_dapm_widget ad193x_dapm_widgets[] = {
84 SND_SOC_DAPM_DAC("DAC", "Playback", AD193X_DAC_CTRL0, 0, 1),
85 SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0),
86 SND_SOC_DAPM_SUPPLY("PLL_PWR", AD193X_PLL_CLK_CTRL0, 0, 1, NULL, 0),
87 SND_SOC_DAPM_SUPPLY("ADC_PWR", AD193X_ADC_CTRL0, 0, 1, NULL, 0),
88 SND_SOC_DAPM_OUTPUT("DAC1OUT"),
89 SND_SOC_DAPM_OUTPUT("DAC2OUT"),
90 SND_SOC_DAPM_OUTPUT("DAC3OUT"),
91 SND_SOC_DAPM_OUTPUT("DAC4OUT"),
92 SND_SOC_DAPM_INPUT("ADC1IN"),
93 SND_SOC_DAPM_INPUT("ADC2IN"),
94};
95
96static const struct snd_soc_dapm_route audio_paths[] = {
97 { "DAC", NULL, "PLL_PWR" },
98 { "ADC", NULL, "PLL_PWR" },
99 { "DAC", NULL, "ADC_PWR" },
100 { "ADC", NULL, "ADC_PWR" },
101 { "DAC1OUT", "DAC1 Switch", "DAC" },
102 { "DAC2OUT", "DAC2 Switch", "DAC" },
103 { "DAC3OUT", "DAC3 Switch", "DAC" },
104 { "DAC4OUT", "DAC4 Switch", "DAC" },
105 { "ADC", "ADC1 Switch", "ADC1IN" },
106 { "ADC", "ADC2 Switch", "ADC2IN" },
107};
108
109/*
110 * DAI ops entries
111 */
112
113static int ad193x_mute(struct snd_soc_dai *dai, int mute)
114{
115 struct snd_soc_codec *codec = dai->codec;
116 int reg;
117
118 reg = snd_soc_read(codec, AD193X_DAC_CTRL2);
119 reg = (mute > 0) ? reg | AD193X_DAC_MASTER_MUTE : reg &
120 (~AD193X_DAC_MASTER_MUTE);
121 snd_soc_write(codec, AD193X_DAC_CTRL2, reg);
122
123 return 0;
124}
125
126static int ad193x_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
127 unsigned int rx_mask, int slots, int width)
128{
129 struct snd_soc_codec *codec = dai->codec;
130 int dac_reg = snd_soc_read(codec, AD193X_DAC_CTRL1);
131 int adc_reg = snd_soc_read(codec, AD193X_ADC_CTRL2);
132
133 dac_reg &= ~AD193X_DAC_CHAN_MASK;
134 adc_reg &= ~AD193X_ADC_CHAN_MASK;
135
136 switch (slots) {
137 case 2:
138 dac_reg |= AD193X_DAC_2_CHANNELS << AD193X_DAC_CHAN_SHFT;
139 adc_reg |= AD193X_ADC_2_CHANNELS << AD193X_ADC_CHAN_SHFT;
140 break;
141 case 4:
142 dac_reg |= AD193X_DAC_4_CHANNELS << AD193X_DAC_CHAN_SHFT;
143 adc_reg |= AD193X_ADC_4_CHANNELS << AD193X_ADC_CHAN_SHFT;
144 break;
145 case 8:
146 dac_reg |= AD193X_DAC_8_CHANNELS << AD193X_DAC_CHAN_SHFT;
147 adc_reg |= AD193X_ADC_8_CHANNELS << AD193X_ADC_CHAN_SHFT;
148 break;
149 case 16:
150 dac_reg |= AD193X_DAC_16_CHANNELS << AD193X_DAC_CHAN_SHFT;
151 adc_reg |= AD193X_ADC_16_CHANNELS << AD193X_ADC_CHAN_SHFT;
152 break;
153 default:
154 return -EINVAL;
155 }
156
157 snd_soc_write(codec, AD193X_DAC_CTRL1, dac_reg);
158 snd_soc_write(codec, AD193X_ADC_CTRL2, adc_reg);
159
160 return 0;
161}
162
163static int ad193x_set_dai_fmt(struct snd_soc_dai *codec_dai,
164 unsigned int fmt)
165{
166 struct snd_soc_codec *codec = codec_dai->codec;
167 int adc_reg, dac_reg;
168
169 adc_reg = snd_soc_read(codec, AD193X_ADC_CTRL2);
170 dac_reg = snd_soc_read(codec, AD193X_DAC_CTRL1);
171
172 /* At present, the driver only support AUX ADC mode(SND_SOC_DAIFMT_I2S
173 * with TDM) and ADC&DAC TDM mode(SND_SOC_DAIFMT_DSP_A)
174 */
175 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
176 case SND_SOC_DAIFMT_I2S:
177 adc_reg &= ~AD193X_ADC_SERFMT_MASK;
178 adc_reg |= AD193X_ADC_SERFMT_TDM;
179 break;
180 case SND_SOC_DAIFMT_DSP_A:
181 adc_reg &= ~AD193X_ADC_SERFMT_MASK;
182 adc_reg |= AD193X_ADC_SERFMT_AUX;
183 break;
184 default:
185 return -EINVAL;
186 }
187
188 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
189 case SND_SOC_DAIFMT_NB_NF: /* normal bit clock + frame */
190 adc_reg &= ~AD193X_ADC_LEFT_HIGH;
191 adc_reg &= ~AD193X_ADC_BCLK_INV;
192 dac_reg &= ~AD193X_DAC_LEFT_HIGH;
193 dac_reg &= ~AD193X_DAC_BCLK_INV;
194 break;
195 case SND_SOC_DAIFMT_NB_IF: /* normal bclk + invert frm */
196 adc_reg |= AD193X_ADC_LEFT_HIGH;
197 adc_reg &= ~AD193X_ADC_BCLK_INV;
198 dac_reg |= AD193X_DAC_LEFT_HIGH;
199 dac_reg &= ~AD193X_DAC_BCLK_INV;
200 break;
201 case SND_SOC_DAIFMT_IB_NF: /* invert bclk + normal frm */
202 adc_reg &= ~AD193X_ADC_LEFT_HIGH;
203 adc_reg |= AD193X_ADC_BCLK_INV;
204 dac_reg &= ~AD193X_DAC_LEFT_HIGH;
205 dac_reg |= AD193X_DAC_BCLK_INV;
206 break;
207
208 case SND_SOC_DAIFMT_IB_IF: /* invert bclk + frm */
209 adc_reg |= AD193X_ADC_LEFT_HIGH;
210 adc_reg |= AD193X_ADC_BCLK_INV;
211 dac_reg |= AD193X_DAC_LEFT_HIGH;
212 dac_reg |= AD193X_DAC_BCLK_INV;
213 break;
214 default:
215 return -EINVAL;
216 }
217
218 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
219 case SND_SOC_DAIFMT_CBM_CFM: /* codec clk & frm master */
220 adc_reg |= AD193X_ADC_LCR_MASTER;
221 adc_reg |= AD193X_ADC_BCLK_MASTER;
222 dac_reg |= AD193X_DAC_LCR_MASTER;
223 dac_reg |= AD193X_DAC_BCLK_MASTER;
224 break;
225 case SND_SOC_DAIFMT_CBS_CFM: /* codec clk slave & frm master */
226 adc_reg |= AD193X_ADC_LCR_MASTER;
227 adc_reg &= ~AD193X_ADC_BCLK_MASTER;
228 dac_reg |= AD193X_DAC_LCR_MASTER;
229 dac_reg &= ~AD193X_DAC_BCLK_MASTER;
230 break;
231 case SND_SOC_DAIFMT_CBM_CFS: /* codec clk master & frame slave */
232 adc_reg &= ~AD193X_ADC_LCR_MASTER;
233 adc_reg |= AD193X_ADC_BCLK_MASTER;
234 dac_reg &= ~AD193X_DAC_LCR_MASTER;
235 dac_reg |= AD193X_DAC_BCLK_MASTER;
236 break;
237 case SND_SOC_DAIFMT_CBS_CFS: /* codec clk & frm slave */
238 adc_reg &= ~AD193X_ADC_LCR_MASTER;
239 adc_reg &= ~AD193X_ADC_BCLK_MASTER;
240 dac_reg &= ~AD193X_DAC_LCR_MASTER;
241 dac_reg &= ~AD193X_DAC_BCLK_MASTER;
242 break;
243 default:
244 return -EINVAL;
245 }
246
247 snd_soc_write(codec, AD193X_ADC_CTRL2, adc_reg);
248 snd_soc_write(codec, AD193X_DAC_CTRL1, dac_reg);
249
250 return 0;
251}
252
253static int ad193x_hw_params(struct snd_pcm_substream *substream,
254 struct snd_pcm_hw_params *params,
255 struct snd_soc_dai *dai)
256{
257 int word_len = 0, reg = 0;
258
259 struct snd_soc_pcm_runtime *rtd = substream->private_data;
260 struct snd_soc_device *socdev = rtd->socdev;
261 struct snd_soc_codec *codec = socdev->card->codec;
262
263 /* bit size */
264 switch (params_format(params)) {
265 case SNDRV_PCM_FORMAT_S16_LE:
266 word_len = 3;
267 break;
268 case SNDRV_PCM_FORMAT_S20_3LE:
269 word_len = 1;
270 break;
271 case SNDRV_PCM_FORMAT_S24_LE:
272 case SNDRV_PCM_FORMAT_S32_LE:
273 word_len = 0;
274 break;
275 }
276
277 reg = snd_soc_read(codec, AD193X_DAC_CTRL2);
278 reg = (reg & (~AD193X_DAC_WORD_LEN_MASK)) | word_len;
279 snd_soc_write(codec, AD193X_DAC_CTRL2, reg);
280
281 reg = snd_soc_read(codec, AD193X_ADC_CTRL1);
282 reg = (reg & (~AD193X_ADC_WORD_LEN_MASK)) | word_len;
283 snd_soc_write(codec, AD193X_ADC_CTRL1, reg);
284
285 return 0;
286}
287
288int ad193x_bus_probe(struct device *dev, void *ctrl_data, int bus_type)
289{
290 struct snd_soc_codec *codec;
291 struct ad193x_priv *ad193x;
292
293 ad193x = kzalloc(sizeof(struct ad193x_priv), GFP_KERNEL);
294 if (ad193x == NULL)
295 return -ENOMEM;
296
297 codec = &ad193x->codec;
298 codec->control_data = ctrl_data;
299 codec->dev = dev;
300
301 dev_set_drvdata(dev, ad193x);
302
303 return ad193x_register(ad193x, bus_type);
304}
305EXPORT_SYMBOL_GPL(ad193x_bus_probe);
306
307int ad193x_bus_remove(struct device *dev)
308{
309 struct ad193x_priv *ad193x = dev_get_drvdata(dev);
310
311 ad193x_unregister(ad193x);
312 return 0;
313}
314EXPORT_SYMBOL_GPL(ad193x_bus_remove);
315
316static struct snd_soc_dai_ops ad193x_dai_ops = {
317 .hw_params = ad193x_hw_params,
318 .digital_mute = ad193x_mute,
319 .set_tdm_slot = ad193x_set_tdm_slot,
320 .set_fmt = ad193x_set_dai_fmt,
321};
322
323/* codec DAI instance */
324struct snd_soc_dai ad193x_dai = {
325 .name = "AD193X",
326 .playback = {
327 .stream_name = "Playback",
328 .channels_min = 2,
329 .channels_max = 8,
330 .rates = SNDRV_PCM_RATE_48000,
331 .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE |
332 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE,
333 },
334 .capture = {
335 .stream_name = "Capture",
336 .channels_min = 2,
337 .channels_max = 4,
338 .rates = SNDRV_PCM_RATE_48000,
339 .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE |
340 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE,
341 },
342 .ops = &ad193x_dai_ops,
343};
344EXPORT_SYMBOL_GPL(ad193x_dai);
345
346static int ad193x_register(struct ad193x_priv *ad193x, int bus_type)
347{
348 int ret;
349 struct snd_soc_codec *codec = &ad193x->codec;
350
351 if (ad193x_codec) {
352 dev_err(codec->dev, "Another ad193x is registered\n");
353 return -EINVAL;
354 }
355
356 mutex_init(&codec->mutex);
357 codec->private_data = ad193x;
358 codec->reg_cache = ad193x->reg_cache;
359 codec->reg_cache_size = AD193X_NUM_REGS;
360 codec->name = "AD193X";
361 codec->owner = THIS_MODULE;
362 codec->dai = &ad193x_dai;
363 codec->num_dai = 1;
364 INIT_LIST_HEAD(&codec->dapm_widgets);
365 INIT_LIST_HEAD(&codec->dapm_paths);
366
367 ad193x_dai.dev = codec->dev;
368 ad193x_codec = codec;
369
370 memcpy(codec->reg_cache, ad193x_reg, AD193X_NUM_REGS);
371
372 if (bus_type == SND_SOC_I2C)
373 ret = snd_soc_codec_set_cache_io(codec, 8, 8, bus_type);
374 else
375 ret = snd_soc_codec_set_cache_io(codec, 16, 8, bus_type);
376 if (ret < 0) {
377 dev_err(codec->dev, "failed to set cache I/O: %d\n",
378 ret);
379 kfree(ad193x);
380 return ret;
381 }
382
383 /* default setting for ad193x */
384
385 /* unmute dac channels */
386 snd_soc_write(codec, AD193X_DAC_CHNL_MUTE, 0x0);
387 /* de-emphasis: 48kHz, powedown dac */
388 snd_soc_write(codec, AD193X_DAC_CTRL2, 0x1A);
389 /* powerdown dac, dac in tdm mode */
390 snd_soc_write(codec, AD193X_DAC_CTRL0, 0x41);
391 /* high-pass filter enable */
392 snd_soc_write(codec, AD193X_ADC_CTRL0, 0x3);
393 /* sata delay=1, adc aux mode */
394 snd_soc_write(codec, AD193X_ADC_CTRL1, 0x43);
395 /* pll input: mclki/xi */
396 snd_soc_write(codec, AD193X_PLL_CLK_CTRL0, 0x99); /* mclk=24.576Mhz: 0x9D; mclk=12.288Mhz: 0x99 */
397 snd_soc_write(codec, AD193X_PLL_CLK_CTRL1, 0x04);
398
399 ret = snd_soc_register_codec(codec);
400 if (ret != 0) {
401 dev_err(codec->dev, "Failed to register codec: %d\n", ret);
402 kfree(ad193x);
403 return ret;
404 }
405
406 ret = snd_soc_register_dai(&ad193x_dai);
407 if (ret != 0) {
408 dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
409 snd_soc_unregister_codec(codec);
410 kfree(ad193x);
411 return ret;
412 }
413
414 return 0;
415}
416
417static void ad193x_unregister(struct ad193x_priv *ad193x)
418{
419 snd_soc_unregister_dai(&ad193x_dai);
420 snd_soc_unregister_codec(&ad193x->codec);
421 kfree(ad193x);
422 ad193x_codec = NULL;
423}
424
425static int ad193x_probe(struct platform_device *pdev)
426{
427 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
428 struct snd_soc_codec *codec;
429 int ret = 0;
430
431 if (ad193x_codec == NULL) {
432 dev_err(&pdev->dev, "Codec device not registered\n");
433 return -ENODEV;
434 }
435
436 socdev->card->codec = ad193x_codec;
437 codec = ad193x_codec;
438
439 /* register pcms */
440 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
441 if (ret < 0) {
442 dev_err(codec->dev, "failed to create pcms: %d\n", ret);
443 goto pcm_err;
444 }
445
446 snd_soc_add_controls(codec, ad193x_snd_controls,
447 ARRAY_SIZE(ad193x_snd_controls));
448 snd_soc_dapm_new_controls(codec, ad193x_dapm_widgets,
449 ARRAY_SIZE(ad193x_dapm_widgets));
450 snd_soc_dapm_add_routes(codec, audio_paths, ARRAY_SIZE(audio_paths));
451
452pcm_err:
453 return ret;
454}
455
456/* power down chip */
457static int ad193x_remove(struct platform_device *pdev)
458{
459 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
460
461 snd_soc_free_pcms(socdev);
462 snd_soc_dapm_free(socdev);
463
464 return 0;
465}
466
467struct snd_soc_codec_device soc_codec_dev_ad193x = {
468 .probe = ad193x_probe,
469 .remove = ad193x_remove,
470};
471EXPORT_SYMBOL_GPL(soc_codec_dev_ad193x);
472
473#if defined(CONFIG_SPI_MASTER)
474static int __devinit ad193x_spi_probe(struct spi_device *spi)
475{
476 return ad193x_bus_probe(&spi->dev, spi, SND_SOC_SPI);
477}
478
479static int __devexit ad193x_spi_remove(struct spi_device *spi)
480{
481 return ad193x_bus_remove(&spi->dev);
482}
483
484static struct spi_driver ad193x_spi_driver = {
485 .driver = {
486 .name = "ad193x",
487 .owner = THIS_MODULE,
488 },
489 .probe = ad193x_spi_probe,
490 .remove = __devexit_p(ad193x_spi_remove),
491};
492#endif
493
494#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
495static const struct i2c_device_id ad193x_id[] = {
496 { "ad1936", 0 },
497 { "ad1937", 0 },
498 { }
499};
500MODULE_DEVICE_TABLE(i2c, ad193x_id);
501
502static int __devinit ad193x_i2c_probe(struct i2c_client *client,
503 const struct i2c_device_id *id)
504{
505 return ad193x_bus_probe(&client->dev, client, SND_SOC_I2C);
506}
507
508static int __devexit ad193x_i2c_remove(struct i2c_client *client)
509{
510 return ad193x_bus_remove(&client->dev);
511}
512
513static struct i2c_driver ad193x_i2c_driver = {
514 .driver = {
515 .name = "ad193x",
516 },
517 .probe = ad193x_i2c_probe,
518 .remove = __devexit_p(ad193x_i2c_remove),
519 .id_table = ad193x_id,
520};
521#endif
522
523static int __init ad193x_modinit(void)
524{
525 int ret;
526
527#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
528 ret = i2c_add_driver(&ad193x_i2c_driver);
529 if (ret != 0) {
530 printk(KERN_ERR "Failed to register AD193X I2C driver: %d\n",
531 ret);
532 }
533#endif
534
535#if defined(CONFIG_SPI_MASTER)
536 ret = spi_register_driver(&ad193x_spi_driver);
537 if (ret != 0) {
538 printk(KERN_ERR "Failed to register AD193X SPI driver: %d\n",
539 ret);
540 }
541#endif
542 return ret;
543}
544module_init(ad193x_modinit);
545
546static void __exit ad193x_modexit(void)
547{
548#if defined(CONFIG_SPI_MASTER)
549 spi_unregister_driver(&ad193x_spi_driver);
550#endif
551
552#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
553 i2c_del_driver(&ad193x_i2c_driver);
554#endif
555}
556module_exit(ad193x_modexit);
557
558MODULE_DESCRIPTION("ASoC ad193x driver");
559MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
560MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/ad193x.h b/sound/soc/codecs/ad193x.h
new file mode 100644
index 000000000000..b240d1d67c22
--- /dev/null
+++ b/sound/soc/codecs/ad193x.h
@@ -0,0 +1,83 @@
1/*
2 * AD193X Audio Codec driver
3 *
4 * Copyright 2010 Analog Devices Inc.
5 *
6 * Licensed under the GPL-2 or later.
7 */
8
9#ifndef __AD193X_H__
10#define __AD193X_H__
11
12#define AD193X_PLL_CLK_CTRL0 0x800
13#define AD193X_PLL_POWERDOWN 0x01
14#define AD193X_PLL_CLK_CTRL1 0x801
15#define AD193X_DAC_CTRL0 0x802
16#define AD193X_DAC_POWERDOWN 0x01
17#define AD193X_DAC_SERFMT_MASK 0xC0
18#define AD193X_DAC_SERFMT_STEREO (0 << 6)
19#define AD193X_DAC_SERFMT_TDM (1 << 6)
20#define AD193X_DAC_CTRL1 0x803
21#define AD193X_DAC_2_CHANNELS 0
22#define AD193X_DAC_4_CHANNELS 1
23#define AD193X_DAC_8_CHANNELS 2
24#define AD193X_DAC_16_CHANNELS 3
25#define AD193X_DAC_CHAN_SHFT 1
26#define AD193X_DAC_CHAN_MASK (3 << AD193X_DAC_CHAN_SHFT)
27#define AD193X_DAC_LCR_MASTER (1 << 4)
28#define AD193X_DAC_BCLK_MASTER (1 << 5)
29#define AD193X_DAC_LEFT_HIGH (1 << 3)
30#define AD193X_DAC_BCLK_INV (1 << 7)
31#define AD193X_DAC_CTRL2 0x804
32#define AD193X_DAC_WORD_LEN_MASK 0xC
33#define AD193X_DAC_MASTER_MUTE 1
34#define AD193X_DAC_CHNL_MUTE 0x805
35#define AD193X_DACL1_MUTE 0
36#define AD193X_DACR1_MUTE 1
37#define AD193X_DACL2_MUTE 2
38#define AD193X_DACR2_MUTE 3
39#define AD193X_DACL3_MUTE 4
40#define AD193X_DACR3_MUTE 5
41#define AD193X_DACL4_MUTE 6
42#define AD193X_DACR4_MUTE 7
43#define AD193X_DAC_L1_VOL 0x806
44#define AD193X_DAC_R1_VOL 0x807
45#define AD193X_DAC_L2_VOL 0x808
46#define AD193X_DAC_R2_VOL 0x809
47#define AD193X_DAC_L3_VOL 0x80a
48#define AD193X_DAC_R3_VOL 0x80b
49#define AD193X_DAC_L4_VOL 0x80c
50#define AD193X_DAC_R4_VOL 0x80d
51#define AD193X_ADC_CTRL0 0x80e
52#define AD193X_ADC_POWERDOWN 0x01
53#define AD193X_ADC_HIGHPASS_FILTER 1
54#define AD193X_ADCL1_MUTE 2
55#define AD193X_ADCR1_MUTE 3
56#define AD193X_ADCL2_MUTE 4
57#define AD193X_ADCR2_MUTE 5
58#define AD193X_ADC_CTRL1 0x80f
59#define AD193X_ADC_SERFMT_MASK 0x60
60#define AD193X_ADC_SERFMT_STEREO (0 << 5)
61#define AD193X_ADC_SERFMT_TDM (1 << 2)
62#define AD193X_ADC_SERFMT_AUX (2 << 5)
63#define AD193X_ADC_WORD_LEN_MASK 0x3
64#define AD193X_ADC_CTRL2 0x810
65#define AD193X_ADC_2_CHANNELS 0
66#define AD193X_ADC_4_CHANNELS 1
67#define AD193X_ADC_8_CHANNELS 2
68#define AD193X_ADC_16_CHANNELS 3
69#define AD193X_ADC_CHAN_SHFT 4
70#define AD193X_ADC_CHAN_MASK (3 << AD193X_ADC_CHAN_SHFT)
71#define AD193X_ADC_LCR_MASTER (1 << 3)
72#define AD193X_ADC_BCLK_MASTER (1 << 6)
73#define AD193X_ADC_LEFT_HIGH (1 << 2)
74#define AD193X_ADC_BCLK_INV (1 << 1)
75
76#define AD193X_NUM_REGS 17
77
78extern struct snd_soc_dai ad193x_dai;
79extern struct snd_soc_codec_device soc_codec_dev_ad193x;
80extern int ad193x_bus_probe(struct device *dev, void *ctrl_data, int bus_type);
81extern int ad193x_bus_remove(struct device *dev);
82
83#endif
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-20 08:16:21 -0500