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yaml
---
r: 193333
b: refs/heads/master
c: b56e972
h: refs/heads/master
i:
  193331: ba1f103
v: v3
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Miguel Aguilar authored and Mark Brown committed Mar 12, 2010
1 parent 7a63c0c commit bc5f9c7
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Showing 5 changed files with 334 additions and 1 deletion.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: e155fcc23c918f5d78a35d1eb6f3f0d523f51991
refs/heads/master: b56e972b75a945e97818437720551859c7ef2d53
4 changes: 4 additions & 0 deletions trunk/sound/soc/codecs/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ config SND_SOC_ALL_CODECS
select SND_SOC_AK4535 if I2C
select SND_SOC_AK4642 if I2C
select SND_SOC_AK4671 if I2C
select SND_SOC_CQ0093VC if MFD_DAVINCI_VOICECODEC
select SND_SOC_CS4270 if I2C
select SND_SOC_MAX9877 if I2C
select SND_SOC_DA7210 if I2C
Expand Down Expand Up @@ -114,6 +115,9 @@ config SND_SOC_AK4642
config SND_SOC_AK4671
tristate

config SND_SOC_CQ0093VC
tristate

# Cirrus Logic CS4270 Codec
config SND_SOC_CS4270
tristate
Expand Down
2 changes: 2 additions & 0 deletions trunk/sound/soc/codecs/Makefile
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Expand Up @@ -8,6 +8,7 @@ snd-soc-ak4104-objs := ak4104.o
snd-soc-ak4535-objs := ak4535.o
snd-soc-ak4642-objs := ak4642.o
snd-soc-ak4671-objs := ak4671.o
snd-soc-cq93vc-objs := cq93vc.o
snd-soc-cs4270-objs := cs4270.o
snd-soc-cx20442-objs := cx20442.o
snd-soc-da7210-objs := da7210.o
Expand Down Expand Up @@ -70,6 +71,7 @@ obj-$(CONFIG_SND_SOC_AK4104) += snd-soc-ak4104.o
obj-$(CONFIG_SND_SOC_AK4535) += snd-soc-ak4535.o
obj-$(CONFIG_SND_SOC_AK4642) += snd-soc-ak4642.o
obj-$(CONFIG_SND_SOC_AK4671) += snd-soc-ak4671.o
obj-$(CONFIG_SND_SOC_CQ0093VC) += snd-soc-cq93vc.o
obj-$(CONFIG_SND_SOC_CS4270) += snd-soc-cs4270.o
obj-$(CONFIG_SND_SOC_CX20442) += snd-soc-cx20442.o
obj-$(CONFIG_SND_SOC_DA7210) += snd-soc-da7210.o
Expand Down
298 changes: 298 additions & 0 deletions trunk/sound/soc/codecs/cq93vc.c
Original file line number Diff line number Diff line change
@@ -0,0 +1,298 @@
/*
* ALSA SoC CQ0093 Voice Codec Driver for DaVinci platforms
*
* Copyright (C) 2010 Texas Instruments, Inc
*
* Author: Miguel Aguilar <miguel.aguilar@ridgerun.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/platform_device.h>
#include <linux/device.h>
#include <linux/clk.h>
#include <linux/mfd/davinci_voicecodec.h>

#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dai.h>
#include <sound/soc-dapm.h>
#include <sound/initval.h>

#include <mach/dm365.h>

#include "cq93vc.h"

static inline unsigned int cq93vc_read(struct snd_soc_codec *codec,
unsigned int reg)
{
struct davinci_vc *davinci_vc = codec->control_data;

return readl(davinci_vc->base + reg);
}

static inline int cq93vc_write(struct snd_soc_codec *codec, unsigned int reg,
unsigned int value)
{
struct davinci_vc *davinci_vc = codec->control_data;

writel(value, davinci_vc->base + reg);

return 0;
}

static const struct snd_kcontrol_new cq93vc_snd_controls[] = {
SOC_SINGLE("PGA Capture Volume", DAVINCI_VC_REG05, 0, 0x03, 0),
SOC_SINGLE("Mono DAC Playback Volume", DAVINCI_VC_REG09, 0, 0x3f, 0),
};

static int cq93vc_mute(struct snd_soc_dai *dai, int mute)
{
struct snd_soc_codec *codec = dai->codec;
u8 reg = cq93vc_read(codec, DAVINCI_VC_REG09) & ~DAVINCI_VC_REG09_MUTE;

if (mute)
cq93vc_write(codec, DAVINCI_VC_REG09,
reg | DAVINCI_VC_REG09_MUTE);
else
cq93vc_write(codec, DAVINCI_VC_REG09, reg);

return 0;
}

static int cq93vc_set_dai_sysclk(struct snd_soc_dai *codec_dai,
int clk_id, unsigned int freq, int dir)
{
struct snd_soc_codec *codec = codec_dai->codec;
struct davinci_vc *davinci_vc = codec->control_data;

switch (freq) {
case 22579200:
case 27000000:
case 33868800:
davinci_vc->cq93vc.sysclk = freq;
return 0;
}

return -EINVAL;
}

static int cq93vc_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
switch (level) {
case SND_SOC_BIAS_ON:
cq93vc_write(codec, DAVINCI_VC_REG12,
DAVINCI_VC_REG12_POWER_ALL_ON);
break;
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
cq93vc_write(codec, DAVINCI_VC_REG12,
DAVINCI_VC_REG12_POWER_ALL_OFF);
break;
case SND_SOC_BIAS_OFF:
/* force all power off */
cq93vc_write(codec, DAVINCI_VC_REG12,
DAVINCI_VC_REG12_POWER_ALL_OFF);
break;
}
codec->bias_level = level;

return 0;
}

#define CQ93VC_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000)
#define CQ93VC_FORMATS (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE)

static struct snd_soc_dai_ops cq93vc_dai_ops = {
.digital_mute = cq93vc_mute,
.set_sysclk = cq93vc_set_dai_sysclk,
};

struct snd_soc_dai cq93vc_dai = {
.name = "CQ93VC",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.channels_max = 2,
.rates = CQ93VC_RATES,
.formats = CQ93VC_FORMATS,},
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 2,
.rates = CQ93VC_RATES,
.formats = CQ93VC_FORMATS,},
.ops = &cq93vc_dai_ops,
};
EXPORT_SYMBOL_GPL(cq93vc_dai);

static int cq93vc_resume(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec = socdev->card->codec;

cq93vc_set_bias_level(codec, codec->suspend_bias_level);

return 0;
}

static struct snd_soc_codec *cq93vc_codec;

static int cq93vc_probe(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct device *dev = &pdev->dev;
struct snd_soc_codec *codec;
int ret;

socdev->card->codec = cq93vc_codec;
codec = socdev->card->codec;

/* Register pcms */
ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
if (ret < 0) {
dev_err(dev, "%s: failed to create pcms\n", pdev->name);
return ret;
}

/* Set controls */
snd_soc_add_controls(codec, cq93vc_snd_controls,
ARRAY_SIZE(cq93vc_snd_controls));

/* Off, with power on */
cq93vc_set_bias_level(codec, SND_SOC_BIAS_STANDBY);

return 0;
}

static int cq93vc_remove(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);

snd_soc_free_pcms(socdev);
snd_soc_dapm_free(socdev);

return 0;
}

struct snd_soc_codec_device soc_codec_dev_cq93vc = {
.probe = cq93vc_probe,
.remove = cq93vc_remove,
.resume = cq93vc_resume,
};
EXPORT_SYMBOL_GPL(soc_codec_dev_cq93vc);

static __init int cq93vc_codec_probe(struct platform_device *pdev)
{
struct davinci_vc *davinci_vc = platform_get_drvdata(pdev);
struct snd_soc_codec *codec;
int ret;

codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
if (codec == NULL) {
dev_dbg(davinci_vc->dev,
"could not allocate memory for codec data\n");
return -ENOMEM;
}

davinci_vc->cq93vc.codec = codec;

cq93vc_dai.dev = &pdev->dev;

mutex_init(&codec->mutex);
INIT_LIST_HEAD(&codec->dapm_widgets);
INIT_LIST_HEAD(&codec->dapm_paths);
codec->dev = &pdev->dev;
codec->name = "CQ93VC";
codec->owner = THIS_MODULE;
codec->read = cq93vc_read;
codec->write = cq93vc_write;
codec->set_bias_level = cq93vc_set_bias_level;
codec->dai = &cq93vc_dai;
codec->num_dai = 1;
codec->control_data = davinci_vc;

cq93vc_codec = codec;

ret = snd_soc_register_codec(codec);
if (ret) {
dev_err(davinci_vc->dev, "failed to register codec\n");
goto fail1;
}

ret = snd_soc_register_dai(&cq93vc_dai);
if (ret) {
dev_err(davinci_vc->dev, "could register dai\n");
goto fail2;
}
return 0;

fail2:
snd_soc_unregister_codec(codec);

fail1:
kfree(codec);
cq93vc_codec = NULL;

return ret;
}

static int __devexit cq93vc_codec_remove(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec = socdev->card->codec;

snd_soc_unregister_dai(&cq93vc_dai);
snd_soc_unregister_codec(&codec);

kfree(codec);
cq93vc_codec = NULL;

return 0;
}

static struct platform_driver cq93vc_codec_driver = {
.driver = {
.name = "cq93vc",
.owner = THIS_MODULE,
},
.probe = cq93vc_codec_probe,
.remove = __devexit_p(cq93vc_codec_remove),
};

static __init int cq93vc_init(void)
{
return platform_driver_probe(&cq93vc_codec_driver, cq93vc_codec_probe);
}
module_init(cq93vc_init);

static __exit void cq93vc_exit(void)
{
platform_driver_unregister(&cq93vc_codec_driver);
}
module_exit(cq93vc_exit);

MODULE_DESCRIPTION("Texas Instruments DaVinci ASoC CQ0093 Voice Codec Driver");
MODULE_AUTHOR("Miguel Aguilar");
MODULE_LICENSE("GPL");
29 changes: 29 additions & 0 deletions trunk/sound/soc/codecs/cq93vc.h
Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@
/*
* ALSA SoC CQ0093 Voice Codec Driver for DaVinci platforms
*
* Copyright (C) 2010 Texas Instruments, Inc
*
* Author: Miguel Aguilar <miguel.aguilar@ridgerun.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/

#ifndef _CQ93VC_H
#define _CQ93VC_H

extern struct snd_soc_dai cq93vc_dai;
extern struct snd_soc_codec_device soc_codec_dev_cq93vc;

#endif

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