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-rw-r--r--sound/soc/codecs/Kconfig5
-rw-r--r--sound/soc/codecs/Makefile2
-rw-r--r--sound/soc/codecs/tlv320aic23.c670
-rw-r--r--sound/soc/codecs/tlv320aic23.h122
4 files changed, 799 insertions, 0 deletions
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 0507fcf66084..bdead2dc9968 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -7,6 +7,7 @@ config SND_SOC_ALL_CODECS
7 select SND_SOC_AK4535 7 select SND_SOC_AK4535
8 select SND_SOC_CS4270 8 select SND_SOC_CS4270
9 select SND_SOC_SSM2602 9 select SND_SOC_SSM2602
10 select SND_SOC_TLV320AIC23
10 select SND_SOC_TLV320AIC26 11 select SND_SOC_TLV320AIC26
11 select SND_SOC_TLV320AIC3X 12 select SND_SOC_TLV320AIC3X
12 select SND_SOC_UDA1380 13 select SND_SOC_UDA1380
@@ -62,6 +63,10 @@ config SND_SOC_CS4270_VD33_ERRATA
62config SND_SOC_SSM2602 63config SND_SOC_SSM2602
63 tristate 64 tristate
64 65
66config SND_SOC_TLV320AIC23
67 tristate
68 depends on I2C
69
65config SND_SOC_TLV320AIC26 70config SND_SOC_TLV320AIC26
66 tristate "TI TLV320AIC26 Codec support" 71 tristate "TI TLV320AIC26 Codec support"
67 depends on SND_SOC && SPI 72 depends on SND_SOC && SPI
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index 07318445a1fd..90f0a585fc70 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -4,6 +4,7 @@ snd-soc-ad73311-objs := ad73311.o
4snd-soc-ak4535-objs := ak4535.o 4snd-soc-ak4535-objs := ak4535.o
5snd-soc-cs4270-objs := cs4270.o 5snd-soc-cs4270-objs := cs4270.o
6snd-soc-ssm2602-objs := ssm2602.o 6snd-soc-ssm2602-objs := ssm2602.o
7snd-soc-tlv320aic23-objs := tlv320aic23.o
7snd-soc-tlv320aic26-objs := tlv320aic26.o 8snd-soc-tlv320aic26-objs := tlv320aic26.o
8snd-soc-tlv320aic3x-objs := tlv320aic3x.o 9snd-soc-tlv320aic3x-objs := tlv320aic3x.o
9snd-soc-uda1380-objs := uda1380.o 10snd-soc-uda1380-objs := uda1380.o
@@ -25,6 +26,7 @@ obj-$(CONFIG_SND_SOC_AD73311) += snd-soc-ad73311.o
25obj-$(CONFIG_SND_SOC_AK4535) += snd-soc-ak4535.o 26obj-$(CONFIG_SND_SOC_AK4535) += snd-soc-ak4535.o
26obj-$(CONFIG_SND_SOC_CS4270) += snd-soc-cs4270.o 27obj-$(CONFIG_SND_SOC_CS4270) += snd-soc-cs4270.o
27obj-$(CONFIG_SND_SOC_SSM2602) += snd-soc-ssm2602.o 28obj-$(CONFIG_SND_SOC_SSM2602) += snd-soc-ssm2602.o
29obj-$(CONFIG_SND_SOC_TLV320AIC23) += snd-soc-tlv320aic23.o
28obj-$(CONFIG_SND_SOC_TLV320AIC26) += snd-soc-tlv320aic26.o 30obj-$(CONFIG_SND_SOC_TLV320AIC26) += snd-soc-tlv320aic26.o
29obj-$(CONFIG_SND_SOC_TLV320AIC3X) += snd-soc-tlv320aic3x.o 31obj-$(CONFIG_SND_SOC_TLV320AIC3X) += snd-soc-tlv320aic3x.o
30obj-$(CONFIG_SND_SOC_UDA1380) += snd-soc-uda1380.o 32obj-$(CONFIG_SND_SOC_UDA1380) += snd-soc-uda1380.o
diff --git a/sound/soc/codecs/tlv320aic23.c b/sound/soc/codecs/tlv320aic23.c
new file mode 100644
index 000000000000..c2d35e9de335
--- /dev/null
+++ b/sound/soc/codecs/tlv320aic23.c
@@ -0,0 +1,670 @@
1/*
2 * ALSA SoC TLV320AIC23 codec driver
3 *
4 * Author: Arun KS, <arunks@mistralsolutions.com>
5 * Copyright: (C) 2008 Mistral Solutions Pvt Ltd.,
6 *
7 * Based on sound/soc/codecs/wm8731.c by Richard Purdie
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 *
13 * Notes:
14 * The AIC23 is a driver for a low power stereo audio
15 * codec tlv320aic23
16 *
17 * The machine layer should disable unsupported inputs/outputs by
18 * snd_soc_dapm_disable_pin(codec, "LHPOUT"), etc.
19 */
20
21#include <linux/module.h>
22#include <linux/moduleparam.h>
23#include <linux/init.h>
24#include <linux/delay.h>
25#include <linux/pm.h>
26#include <linux/i2c.h>
27#include <linux/platform_device.h>
28#include <sound/core.h>
29#include <sound/pcm.h>
30#include <sound/pcm_params.h>
31#include <sound/soc.h>
32#include <sound/soc-dapm.h>
33#include <sound/tlv.h>
34#include <sound/initval.h>
35
36#include "tlv320aic23.h"
37
38#define AUDIO_NAME "tlv320aic23"
39#define AIC23_VERSION "0.1"
40
41struct tlv320aic23_srate_reg_info {
42 u32 sample_rate;
43 u8 control; /* SR3, SR2, SR1, SR0 and BOSR */
44 u8 divider; /* if 0 CLKIN = MCLK, if 1 CLKIN = MCLK/2 */
45};
46
47/*
48 * AIC23 register cache
49 */
50static const u16 tlv320aic23_reg[] = {
51 0x0097, 0x0097, 0x00F9, 0x00F9, /* 0 */
52 0x001A, 0x0004, 0x0007, 0x0001, /* 4 */
53 0x0020, 0x0000, 0x0000, 0x0000, /* 8 */
54 0x0000, 0x0000, 0x0000, 0x0000, /* 12 */
55};
56
57/*
58 * read tlv320aic23 register cache
59 */
60static inline unsigned int tlv320aic23_read_reg_cache(struct snd_soc_codec
61 *codec, unsigned int reg)
62{
63 u16 *cache = codec->reg_cache;
64 if (reg >= ARRAY_SIZE(tlv320aic23_reg))
65 return -1;
66 return cache[reg];
67}
68
69/*
70 * write tlv320aic23 register cache
71 */
72static inline void tlv320aic23_write_reg_cache(struct snd_soc_codec *codec,
73 u8 reg, u16 value)
74{
75 u16 *cache = codec->reg_cache;
76 if (reg >= ARRAY_SIZE(tlv320aic23_reg))
77 return;
78 cache[reg] = value;
79}
80
81/*
82 * write to the tlv320aic23 register space
83 */
84static int tlv320aic23_write(struct snd_soc_codec *codec, unsigned int reg,
85 unsigned int value)
86{
87
88 u8 data;
89
90 /* TLV320AIC23 has 7 bit address and 9 bits of data
91 * so we need to switch one data bit into reg and rest
92 * of data into val
93 */
94
95 if ((reg < 0 || reg > 9) && (reg != 15)) {
96 printk(KERN_WARNING "%s Invalid register R%d\n", __func__, reg);
97 return -1;
98 }
99
100 data = (reg << 1) | (value >> 8 & 0x01);
101
102 tlv320aic23_write_reg_cache(codec, reg, value);
103
104 if (codec->hw_write(codec->control_data, data,
105 (value & 0xff)) == 0)
106 return 0;
107
108 printk(KERN_ERR "%s cannot write %03x to register R%d\n", __func__,
109 value, reg);
110
111 return -EIO;
112}
113
114static const char *rec_src_text[] = { "Line", "Mic" };
115static const char *deemph_text[] = {"None", "32Khz", "44.1Khz", "48Khz"};
116static const char *sidetone_text[] = {"-6db", "-9db", "-12db", "-18db", "0db"};
117
118static const struct soc_enum rec_src_enum =
119 SOC_ENUM_SINGLE(TLV320AIC23_ANLG, 2, 2, rec_src_text);
120
121static const struct snd_kcontrol_new tlv320aic23_rec_src_mux_controls =
122SOC_DAPM_ENUM("Input Select", rec_src_enum);
123
124static const struct soc_enum tlv320aic23_rec_src =
125 SOC_ENUM_SINGLE(TLV320AIC23_ANLG, 2, 2, rec_src_text);
126static const struct soc_enum tlv320aic23_deemph =
127 SOC_ENUM_SINGLE(TLV320AIC23_DIGT, 1, 4, deemph_text);
128static const struct soc_enum tlv320aic23_sidetone =
129 SOC_ENUM_SINGLE(TLV320AIC23_ANLG, 6, 5, sidetone_text);
130
131static const DECLARE_TLV_DB_SCALE(out_gain_tlv, -12100, 100, 0);
132static const DECLARE_TLV_DB_SCALE(input_gain_tlv, -1725, 75, 0);
133
134static const struct snd_kcontrol_new tlv320aic23_snd_controls[] = {
135 SOC_DOUBLE_R_TLV("Digital Playback Volume", TLV320AIC23_LCHNVOL,
136 TLV320AIC23_RCHNVOL, 0, 127, 0, out_gain_tlv),
137 SOC_SINGLE("Digital Playback Switch", TLV320AIC23_DIGT, 3, 1, 1),
138 SOC_DOUBLE_R("Line Input Switch", TLV320AIC23_LINVOL,
139 TLV320AIC23_RINVOL, 7, 1, 0),
140 SOC_DOUBLE_R_TLV("Line Input Volume", TLV320AIC23_LINVOL,
141 TLV320AIC23_RINVOL, 0, 31, 0, input_gain_tlv),
142 SOC_SINGLE("Mic Input Switch", TLV320AIC23_ANLG, 1, 1, 1),
143 SOC_SINGLE("Mic Booster Switch", TLV320AIC23_ANLG, 0, 1, 0),
144 SOC_ENUM("Sidetone Gain", tlv320aic23_sidetone),
145 SOC_ENUM("Playback De-emphasis", tlv320aic23_deemph),
146};
147
148/* add non dapm controls */
149static int tlv320aic23_add_controls(struct snd_soc_codec *codec)
150{
151
152 int err, i;
153
154 for (i = 0; i < ARRAY_SIZE(tlv320aic23_snd_controls); i++) {
155 err = snd_ctl_add(codec->card,
156 snd_soc_cnew(&tlv320aic23_snd_controls[i],
157 codec, NULL));
158 if (err < 0)
159 return err;
160 }
161
162 return 0;
163
164}
165
166/* PGA Mixer controls for Line and Mic switch */
167static const struct snd_kcontrol_new tlv320aic23_output_mixer_controls[] = {
168 SOC_DAPM_SINGLE("Line Bypass Switch", TLV320AIC23_ANLG, 3, 1, 0),
169 SOC_DAPM_SINGLE("Mic Sidetone Switch", TLV320AIC23_ANLG, 5, 1, 0),
170 SOC_DAPM_SINGLE("Playback Switch", TLV320AIC23_ANLG, 4, 1, 0),
171};
172
173static const struct snd_soc_dapm_widget tlv320aic23_dapm_widgets[] = {
174 SND_SOC_DAPM_DAC("DAC", "Playback", TLV320AIC23_PWR, 3, 1),
175 SND_SOC_DAPM_ADC("ADC", "Capture", TLV320AIC23_PWR, 2, 1),
176 SND_SOC_DAPM_MUX("Capture Source", SND_SOC_NOPM, 0, 0,
177 &tlv320aic23_rec_src_mux_controls),
178 SND_SOC_DAPM_MIXER("Output Mixer", TLV320AIC23_PWR, 4, 1,
179 &tlv320aic23_output_mixer_controls[0],
180 ARRAY_SIZE(tlv320aic23_output_mixer_controls)),
181 SND_SOC_DAPM_PGA("Line Input", TLV320AIC23_PWR, 0, 1, NULL, 0),
182 SND_SOC_DAPM_PGA("Mic Input", TLV320AIC23_PWR, 1, 1, NULL, 0),
183
184 SND_SOC_DAPM_OUTPUT("LHPOUT"),
185 SND_SOC_DAPM_OUTPUT("RHPOUT"),
186 SND_SOC_DAPM_OUTPUT("LOUT"),
187 SND_SOC_DAPM_OUTPUT("ROUT"),
188
189 SND_SOC_DAPM_INPUT("LLINEIN"),
190 SND_SOC_DAPM_INPUT("RLINEIN"),
191
192 SND_SOC_DAPM_INPUT("MICIN"),
193};
194
195static const struct snd_soc_dapm_route intercon[] = {
196 /* Output Mixer */
197 {"Output Mixer", "Line Bypass Switch", "Line Input"},
198 {"Output Mixer", "Playback Switch", "DAC"},
199 {"Output Mixer", "Mic Sidetone Switch", "Mic Input"},
200
201 /* Outputs */
202 {"RHPOUT", NULL, "Output Mixer"},
203 {"LHPOUT", NULL, "Output Mixer"},
204 {"LOUT", NULL, "Output Mixer"},
205 {"ROUT", NULL, "Output Mixer"},
206
207 /* Inputs */
208 {"Line Input", "NULL", "LLINEIN"},
209 {"Line Input", "NULL", "RLINEIN"},
210
211 {"Mic Input", "NULL", "MICIN"},
212
213 /* input mux */
214 {"Capture Source", "Line", "Line Input"},
215 {"Capture Source", "Mic", "Mic Input"},
216 {"ADC", NULL, "Capture Source"},
217
218};
219
220/* tlv320aic23 related */
221static const struct tlv320aic23_srate_reg_info srate_reg_info[] = {
222 {4000, 0x06, 1}, /* 4000 */
223 {8000, 0x06, 0}, /* 8000 */
224 {16000, 0x0C, 1}, /* 16000 */
225 {22050, 0x11, 1}, /* 22050 */
226 {24000, 0x00, 1}, /* 24000 */
227 {32000, 0x0C, 0}, /* 32000 */
228 {44100, 0x11, 0}, /* 44100 */
229 {48000, 0x00, 0}, /* 48000 */
230 {88200, 0x1F, 0}, /* 88200 */
231 {96000, 0x0E, 0}, /* 96000 */
232};
233
234static int tlv320aic23_add_widgets(struct snd_soc_codec *codec)
235{
236 snd_soc_dapm_new_controls(codec, tlv320aic23_dapm_widgets,
237 ARRAY_SIZE(tlv320aic23_dapm_widgets));
238
239 /* set up audio path interconnects */
240 snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon));
241
242 snd_soc_dapm_new_widgets(codec);
243 return 0;
244}
245
246static int tlv320aic23_hw_params(struct snd_pcm_substream *substream,
247 struct snd_pcm_hw_params *params)
248{
249 struct snd_soc_pcm_runtime *rtd = substream->private_data;
250 struct snd_soc_device *socdev = rtd->socdev;
251 struct snd_soc_codec *codec = socdev->codec;
252 u16 iface_reg, data;
253 u8 count = 0;
254
255 iface_reg =
256 tlv320aic23_read_reg_cache(codec,
257 TLV320AIC23_DIGT_FMT) & ~(0x03 << 2);
258
259 /* Search for the right sample rate */
260 /* Verify what happens if the rate is not supported
261 * now it goes to 96Khz */
262 while ((srate_reg_info[count].sample_rate != params_rate(params)) &&
263 (count < ARRAY_SIZE(srate_reg_info))) {
264 count++;
265 }
266
267 data = (srate_reg_info[count].divider << TLV320AIC23_CLKIN_SHIFT) |
268 (srate_reg_info[count]. control << TLV320AIC23_BOSR_SHIFT) |
269 TLV320AIC23_USB_CLK_ON;
270
271 tlv320aic23_write(codec, TLV320AIC23_SRATE, data);
272
273 switch (params_format(params)) {
274 case SNDRV_PCM_FORMAT_S16_LE:
275 break;
276 case SNDRV_PCM_FORMAT_S20_3LE:
277 iface_reg |= (0x01 << 2);
278 break;
279 case SNDRV_PCM_FORMAT_S24_LE:
280 iface_reg |= (0x02 << 2);
281 break;
282 case SNDRV_PCM_FORMAT_S32_LE:
283 iface_reg |= (0x03 << 2);
284 break;
285 }
286 tlv320aic23_write(codec, TLV320AIC23_DIGT_FMT, iface_reg);
287
288 return 0;
289}
290
291static int tlv320aic23_pcm_prepare(struct snd_pcm_substream *substream)
292{
293 struct snd_soc_pcm_runtime *rtd = substream->private_data;
294 struct snd_soc_device *socdev = rtd->socdev;
295 struct snd_soc_codec *codec = socdev->codec;
296
297 /* set active */
298 tlv320aic23_write(codec, TLV320AIC23_ACTIVE, 0x0001);
299
300 return 0;
301}
302
303static void tlv320aic23_shutdown(struct snd_pcm_substream *substream)
304{
305 struct snd_soc_pcm_runtime *rtd = substream->private_data;
306 struct snd_soc_device *socdev = rtd->socdev;
307 struct snd_soc_codec *codec = socdev->codec;
308
309 /* deactivate */
310 if (!codec->active) {
311 udelay(50);
312 tlv320aic23_write(codec, TLV320AIC23_ACTIVE, 0x0);
313 }
314}
315
316static int tlv320aic23_mute(struct snd_soc_dai *dai, int mute)
317{
318 struct snd_soc_codec *codec = dai->codec;
319 u16 reg;
320
321 reg = tlv320aic23_read_reg_cache(codec, TLV320AIC23_DIGT);
322 if (mute)
323 reg |= TLV320AIC23_DACM_MUTE;
324
325 else
326 reg &= ~TLV320AIC23_DACM_MUTE;
327
328 tlv320aic23_write(codec, TLV320AIC23_DIGT, reg);
329
330 return 0;
331}
332
333static int tlv320aic23_set_dai_fmt(struct snd_soc_dai *codec_dai,
334 unsigned int fmt)
335{
336 struct snd_soc_codec *codec = codec_dai->codec;
337 u16 iface_reg;
338
339 iface_reg =
340 tlv320aic23_read_reg_cache(codec, TLV320AIC23_DIGT_FMT) & (~0x03);
341
342 /* set master/slave audio interface */
343 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
344 case SND_SOC_DAIFMT_CBM_CFM:
345 iface_reg |= TLV320AIC23_MS_MASTER;
346 break;
347 case SND_SOC_DAIFMT_CBS_CFS:
348 break;
349 default:
350 return -EINVAL;
351
352 }
353
354 /* interface format */
355 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
356 case SND_SOC_DAIFMT_I2S:
357 iface_reg |= TLV320AIC23_FOR_I2S;
358 break;
359 case SND_SOC_DAIFMT_DSP_A:
360 iface_reg |= TLV320AIC23_FOR_DSP;
361 break;
362 case SND_SOC_DAIFMT_RIGHT_J:
363 break;
364 case SND_SOC_DAIFMT_LEFT_J:
365 iface_reg |= TLV320AIC23_FOR_LJUST;
366 break;
367 default:
368 return -EINVAL;
369
370 }
371
372 tlv320aic23_write(codec, TLV320AIC23_DIGT_FMT, iface_reg);
373
374 return 0;
375}
376
377static int tlv320aic23_set_dai_sysclk(struct snd_soc_dai *codec_dai,
378 int clk_id, unsigned int freq, int dir)
379{
380 struct snd_soc_codec *codec = codec_dai->codec;
381
382 switch (freq) {
383 case 12000000:
384 return 0;
385 }
386 return -EINVAL;
387}
388
389static int tlv320aic23_set_bias_level(struct snd_soc_codec *codec,
390 enum snd_soc_bias_level level)
391{
392 u16 reg = tlv320aic23_read_reg_cache(codec, TLV320AIC23_PWR) & 0xff7f;
393
394 switch (level) {
395 case SND_SOC_BIAS_ON:
396 /* vref/mid, osc on, dac unmute */
397 tlv320aic23_write(codec, TLV320AIC23_PWR, reg);
398 break;
399 case SND_SOC_BIAS_PREPARE:
400 break;
401 case SND_SOC_BIAS_STANDBY:
402 /* everything off except vref/vmid, */
403 tlv320aic23_write(codec, TLV320AIC23_PWR, reg | 0x0040);
404 break;
405 case SND_SOC_BIAS_OFF:
406 /* everything off, dac mute, inactive */
407 tlv320aic23_write(codec, TLV320AIC23_ACTIVE, 0x0);
408 tlv320aic23_write(codec, TLV320AIC23_PWR, 0xffff);
409 break;
410 }
411 codec->bias_level = level;
412 return 0;
413}
414
415#define AIC23_RATES SNDRV_PCM_RATE_8000_96000
416#define AIC23_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
417 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE)
418
419struct snd_soc_dai tlv320aic23_dai = {
420 .name = "tlv320aic23",
421 .playback = {
422 .stream_name = "Playback",
423 .channels_min = 2,
424 .channels_max = 2,
425 .rates = AIC23_RATES,
426 .formats = AIC23_FORMATS,},
427 .capture = {
428 .stream_name = "Capture",
429 .channels_min = 2,
430 .channels_max = 2,
431 .rates = AIC23_RATES,
432 .formats = AIC23_FORMATS,},
433 .ops = {
434 .prepare = tlv320aic23_pcm_prepare,
435 .hw_params = tlv320aic23_hw_params,
436 .shutdown = tlv320aic23_shutdown,
437 },
438 .dai_ops = {
439 .digital_mute = tlv320aic23_mute,
440 .set_fmt = tlv320aic23_set_dai_fmt,
441 .set_sysclk = tlv320aic23_set_dai_sysclk,
442 }
443};
444EXPORT_SYMBOL_GPL(tlv320aic23_dai);
445
446static int tlv320aic23_suspend(struct platform_device *pdev,
447 pm_message_t state)
448{
449 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
450 struct snd_soc_codec *codec = socdev->codec;
451
452 tlv320aic23_write(codec, TLV320AIC23_ACTIVE, 0x0);
453 tlv320aic23_set_bias_level(codec, SND_SOC_BIAS_OFF);
454
455 return 0;
456}
457
458static int tlv320aic23_resume(struct platform_device *pdev)
459{
460 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
461 struct snd_soc_codec *codec = socdev->codec;
462 int i;
463 u16 reg;
464
465 /* Sync reg_cache with the hardware */
466 for (reg = 0; reg < ARRAY_SIZE(tlv320aic23_reg); i++) {
467 u16 val = tlv320aic23_read_reg_cache(codec, reg);
468 tlv320aic23_write(codec, reg, val);
469 }
470
471 tlv320aic23_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
472 tlv320aic23_set_bias_level(codec, codec->suspend_bias_level);
473
474 return 0;
475}
476
477/*
478 * initialise the AIC23 driver
479 * register the mixer and dsp interfaces with the kernel
480 */
481static int tlv320aic23_init(struct snd_soc_device *socdev)
482{
483 struct snd_soc_codec *codec = socdev->codec;
484 int ret = 0;
485 u16 reg;
486
487 codec->name = "tlv320aic23";
488 codec->owner = THIS_MODULE;
489 codec->read = tlv320aic23_read_reg_cache;
490 codec->write = tlv320aic23_write;
491 codec->set_bias_level = tlv320aic23_set_bias_level;
492 codec->dai = &tlv320aic23_dai;
493 codec->num_dai = 1;
494 codec->reg_cache_size = ARRAY_SIZE(tlv320aic23_reg);
495 codec->reg_cache =
496 kmemdup(tlv320aic23_reg, sizeof(tlv320aic23_reg), GFP_KERNEL);
497 if (codec->reg_cache == NULL)
498 return -ENOMEM;
499
500 /* Reset codec */
501 tlv320aic23_write(codec, TLV320AIC23_RESET, 0);
502
503 /* register pcms */
504 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
505 if (ret < 0) {
506 printk(KERN_ERR "tlv320aic23: failed to create pcms\n");
507 goto pcm_err;
508 }
509
510 /* power on device */
511 tlv320aic23_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
512
513 tlv320aic23_write(codec, TLV320AIC23_DIGT, TLV320AIC23_DEEMP_44K);
514
515 /* Unmute input */
516 reg = tlv320aic23_read_reg_cache(codec, TLV320AIC23_LINVOL);
517 tlv320aic23_write(codec, TLV320AIC23_LINVOL,
518 (reg & (~TLV320AIC23_LIM_MUTED)) |
519 (TLV320AIC23_LRS_ENABLED));
520
521 reg = tlv320aic23_read_reg_cache(codec, TLV320AIC23_RINVOL);
522 tlv320aic23_write(codec, TLV320AIC23_RINVOL,
523 (reg & (~TLV320AIC23_LIM_MUTED)) |
524 TLV320AIC23_LRS_ENABLED);
525
526 reg = tlv320aic23_read_reg_cache(codec, TLV320AIC23_ANLG);
527 tlv320aic23_write(codec, TLV320AIC23_ANLG,
528 (reg) & (~TLV320AIC23_BYPASS_ON) &
529 (~TLV320AIC23_MICM_MUTED));
530
531 /* Default output volume */
532 tlv320aic23_write(codec, TLV320AIC23_LCHNVOL,
533 TLV320AIC23_DEFAULT_OUT_VOL &
534 TLV320AIC23_OUT_VOL_MASK);
535 tlv320aic23_write(codec, TLV320AIC23_RCHNVOL,
536 TLV320AIC23_DEFAULT_OUT_VOL &
537 TLV320AIC23_OUT_VOL_MASK);
538
539 tlv320aic23_write(codec, TLV320AIC23_ACTIVE, 0x1);
540
541 tlv320aic23_add_controls(codec);
542 tlv320aic23_add_widgets(codec);
543 ret = snd_soc_register_card(socdev);
544 if (ret < 0) {
545 printk(KERN_ERR "tlv320aic23: failed to register card\n");
546 goto card_err;
547 }
548
549 return ret;
550
551card_err:
552 snd_soc_free_pcms(socdev);
553 snd_soc_dapm_free(socdev);
554pcm_err:
555 kfree(codec->reg_cache);
556 return ret;
557}
558static struct snd_soc_device *tlv320aic23_socdev;
559
560#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
561/*
562 * If the i2c layer weren't so broken, we could pass this kind of data
563 * around
564 */
565static int tlv320aic23_codec_probe(struct i2c_client *i2c,
566 const struct i2c_device_id *i2c_id)
567{
568 struct snd_soc_device *socdev = tlv320aic23_socdev;
569 struct snd_soc_codec *codec = socdev->codec;
570 int ret;
571
572 if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
573 return -EINVAL;
574
575 i2c_set_clientdata(i2c, codec);
576 codec->control_data = i2c;
577
578 ret = tlv320aic23_init(socdev);
579 if (ret < 0) {
580 printk(KERN_ERR "tlv320aic23: failed to initialise AIC23\n");
581 goto err;
582 }
583 return ret;
584
585err:
586 kfree(codec);
587 kfree(i2c);
588 return ret;
589}
590static int __exit tlv320aic23_i2c_remove(struct i2c_client *i2c)
591{
592 put_device(&i2c->dev);
593 return 0;
594}
595
596static const struct i2c_device_id tlv320aic23_id[] = {
597 {"tlv320aic23", 0},
598 {}
599};
600
601MODULE_DEVICE_TABLE(i2c, tlv320aic23_id);
602
603static struct i2c_driver tlv320aic23_i2c_driver = {
604 .driver = {
605 .name = "tlv320aic23",
606 },
607 .probe = tlv320aic23_codec_probe,
608 .remove = __exit_p(tlv320aic23_i2c_remove),
609 .id_table = tlv320aic23_id,
610};
611
612#endif
613
614static int tlv320aic23_probe(struct platform_device *pdev)
615{
616 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
617 struct snd_soc_codec *codec;
618 int ret = 0;
619
620 printk(KERN_INFO "AIC23 Audio Codec %s\n", AIC23_VERSION);
621
622 codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
623 if (codec == NULL)
624 return -ENOMEM;
625
626 socdev->codec = codec;
627 mutex_init(&codec->mutex);
628 INIT_LIST_HEAD(&codec->dapm_widgets);
629 INIT_LIST_HEAD(&codec->dapm_paths);
630
631 tlv320aic23_socdev = socdev;
632#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
633 codec->hw_write = (hw_write_t) i2c_smbus_write_byte_data;
634 codec->hw_read = NULL;
635 ret = i2c_add_driver(&tlv320aic23_i2c_driver);
636 if (ret != 0)
637 printk(KERN_ERR "can't add i2c driver");
638#endif
639 return ret;
640}
641
642static int tlv320aic23_remove(struct platform_device *pdev)
643{
644 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
645 struct snd_soc_codec *codec = socdev->codec;
646
647 if (codec->control_data)
648 tlv320aic23_set_bias_level(codec, SND_SOC_BIAS_OFF);
649
650 snd_soc_free_pcms(socdev);
651 snd_soc_dapm_free(socdev);
652#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
653 i2c_del_driver(&tlv320aic23_i2c_driver);
654#endif
655 kfree(codec->reg_cache);
656 kfree(codec);
657
658 return 0;
659}
660struct snd_soc_codec_device soc_codec_dev_tlv320aic23 = {
661 .probe = tlv320aic23_probe,
662 .remove = tlv320aic23_remove,
663 .suspend = tlv320aic23_suspend,
664 .resume = tlv320aic23_resume,
665};
666EXPORT_SYMBOL_GPL(soc_codec_dev_tlv320aic23);
667
668MODULE_DESCRIPTION("ASoC TLV320AIC23 codec driver");
669MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>");
670MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/tlv320aic23.h b/sound/soc/codecs/tlv320aic23.h
new file mode 100644
index 000000000000..79d1faf8e570
--- /dev/null
+++ b/sound/soc/codecs/tlv320aic23.h
@@ -0,0 +1,122 @@
1/*
2 * ALSA SoC TLV320AIC23 codec driver
3 *
4 * Author: Arun KS, <arunks@mistralsolutions.com>
5 * Copyright: (C) 2008 Mistral Solutions Pvt Ltd
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12#ifndef _TLV320AIC23_H
13#define _TLV320AIC23_H
14
15/* Codec TLV320AIC23 */
16#define TLV320AIC23_LINVOL 0x00
17#define TLV320AIC23_RINVOL 0x01
18#define TLV320AIC23_LCHNVOL 0x02
19#define TLV320AIC23_RCHNVOL 0x03
20#define TLV320AIC23_ANLG 0x04
21#define TLV320AIC23_DIGT 0x05
22#define TLV320AIC23_PWR 0x06
23#define TLV320AIC23_DIGT_FMT 0x07
24#define TLV320AIC23_SRATE 0x08
25#define TLV320AIC23_ACTIVE 0x09
26#define TLV320AIC23_RESET 0x0F
27
28/* Left (right) line input volume control register */
29#define TLV320AIC23_LRS_ENABLED 0x0100
30#define TLV320AIC23_LIM_MUTED 0x0080
31#define TLV320AIC23_LIV_DEFAULT 0x0017
32#define TLV320AIC23_LIV_MAX 0x001f
33#define TLV320AIC23_LIV_MIN 0x0000
34
35/* Left (right) channel headphone volume control register */
36#define TLV320AIC23_LZC_ON 0x0080
37#define TLV320AIC23_LHV_DEFAULT 0x0079
38#define TLV320AIC23_LHV_MAX 0x007f
39#define TLV320AIC23_LHV_MIN 0x0000
40
41/* Analog audio path control register */
42#define TLV320AIC23_STA_REG(x) ((x)<<6)
43#define TLV320AIC23_STE_ENABLED 0x0020
44#define TLV320AIC23_DAC_SELECTED 0x0010
45#define TLV320AIC23_BYPASS_ON 0x0008
46#define TLV320AIC23_INSEL_MIC 0x0004
47#define TLV320AIC23_MICM_MUTED 0x0002
48#define TLV320AIC23_MICB_20DB 0x0001
49
50/* Digital audio path control register */
51#define TLV320AIC23_DACM_MUTE 0x0008
52#define TLV320AIC23_DEEMP_32K 0x0002
53#define TLV320AIC23_DEEMP_44K 0x0004
54#define TLV320AIC23_DEEMP_48K 0x0006
55#define TLV320AIC23_ADCHP_ON 0x0001
56
57/* Power control down register */
58#define TLV320AIC23_DEVICE_PWR_OFF 0x0080
59#define TLV320AIC23_CLK_OFF 0x0040
60#define TLV320AIC23_OSC_OFF 0x0020
61#define TLV320AIC23_OUT_OFF 0x0010
62#define TLV320AIC23_DAC_OFF 0x0008
63#define TLV320AIC23_ADC_OFF 0x0004
64#define TLV320AIC23_MIC_OFF 0x0002
65#define TLV320AIC23_LINE_OFF 0x0001
66
67/* Digital audio interface register */
68#define TLV320AIC23_MS_MASTER 0x0040
69#define TLV320AIC23_LRSWAP_ON 0x0020
70#define TLV320AIC23_LRP_ON 0x0010
71#define TLV320AIC23_IWL_16 0x0000
72#define TLV320AIC23_IWL_20 0x0004
73#define TLV320AIC23_IWL_24 0x0008
74#define TLV320AIC23_IWL_32 0x000C
75#define TLV320AIC23_FOR_I2S 0x0002
76#define TLV320AIC23_FOR_DSP 0x0003
77#define TLV320AIC23_FOR_LJUST 0x0001
78
79/* Sample rate control register */
80#define TLV320AIC23_CLKOUT_HALF 0x0080
81#define TLV320AIC23_CLKIN_HALF 0x0040
82#define TLV320AIC23_BOSR_384fs 0x0002 /* BOSR_272fs in USB mode */
83#define TLV320AIC23_USB_CLK_ON 0x0001
84#define TLV320AIC23_SR_MASK 0xf
85#define TLV320AIC23_CLKOUT_SHIFT 7
86#define TLV320AIC23_CLKIN_SHIFT 6
87#define TLV320AIC23_SR_SHIFT 2
88#define TLV320AIC23_BOSR_SHIFT 1
89
90/* Digital interface register */
91#define TLV320AIC23_ACT_ON 0x0001
92
93/*
94 * AUDIO related MACROS
95 */
96
97#define TLV320AIC23_DEFAULT_OUT_VOL 0x70
98#define TLV320AIC23_DEFAULT_IN_VOLUME 0x10
99
100#define TLV320AIC23_OUT_VOL_MIN TLV320AIC23_LHV_MIN
101#define TLV320AIC23_OUT_VOL_MAX TLV320AIC23_LHV_MAX
102#define TLV320AIC23_OUT_VO_RANGE (TLV320AIC23_OUT_VOL_MAX - \
103 TLV320AIC23_OUT_VOL_MIN)
104#define TLV320AIC23_OUT_VOL_MASK TLV320AIC23_OUT_VOL_MAX
105
106#define TLV320AIC23_IN_VOL_MIN TLV320AIC23_LIV_MIN
107#define TLV320AIC23_IN_VOL_MAX TLV320AIC23_LIV_MAX
108#define TLV320AIC23_IN_VOL_RANGE (TLV320AIC23_IN_VOL_MAX - \
109 TLV320AIC23_IN_VOL_MIN)
110#define TLV320AIC23_IN_VOL_MASK TLV320AIC23_IN_VOL_MAX
111
112#define TLV320AIC23_SIDETONE_MASK 0x1c0
113#define TLV320AIC23_SIDETONE_0 0x100
114#define TLV320AIC23_SIDETONE_6 0x000
115#define TLV320AIC23_SIDETONE_9 0x040
116#define TLV320AIC23_SIDETONE_12 0x080
117#define TLV320AIC23_SIDETONE_18 0x0c0
118
119extern struct snd_soc_dai tlv320aic23_dai;
120extern struct snd_soc_codec_device soc_codec_dev_tlv320aic23;
121
122#endif /* _TLV320AIC23_H */
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-20 23:50:16 -0500