mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-28 19:10:37 +02:00
Add qi lb60 sound soc board driver.
This commit is contained in:
Lars-Peter Clausen
Xiangfu Liu
parent
557e48bc8e
commit
f5d7bb60e5
178
target/linux/xburst/files-2.6.31/sound/soc/jz4740/qi_lb60.c
Normal file
178
target/linux/xburst/files-2.6.31/sound/soc/jz4740/qi_lb60.c
Normal file
@ -0,0 +1,178 @@
|
||||
/*
|
||||
* Copyright (C) 2009, Lars-Peter Clausen <lars@metafoo.de>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* 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.,
|
||||
* 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <linux/module.h>
|
||||
#include <linux/moduleparam.h>
|
||||
#include <linux/timer.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <sound/core.h>
|
||||
#include <sound/pcm.h>
|
||||
#include <sound/soc.h>
|
||||
#include <sound/soc-dapm.h>
|
||||
#include <linux/gpio.h>
|
||||
|
||||
#include "../codecs/jzcodec.h"
|
||||
#include "jz4740-pcm.h"
|
||||
#include "jz4740-i2s.h"
|
||||
|
||||
|
||||
#define QI_LB60_SND_GPIO JZ_GPIO_PORTB(29)
|
||||
#define QI_LB60_AMP_GPIO JZ_GPIO_PORTD(4)
|
||||
|
||||
static int qi_lb60_spk_event(struct snd_soc_dapm_widget *widget,
|
||||
struct snd_kcontrol *ctrl, int event)
|
||||
{
|
||||
int on = !SND_SOC_DAPM_EVENT_OFF(event);
|
||||
|
||||
gpio_set_value(QI_LB60_SND_GPIO, on);
|
||||
gpio_set_value(QI_LB60_AMP_GPIO, 0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct snd_soc_dapm_widget qi_lb60_widgets[] = {
|
||||
SND_SOC_DAPM_SPK("Speaker", qi_lb60_spk_event),
|
||||
SND_SOC_DAPM_MIC("Mic", NULL),
|
||||
};
|
||||
|
||||
static const struct snd_soc_dapm_route qi_lb60_routes[] = {
|
||||
{"Mic", NULL, "MIC"},
|
||||
{"Speaker", NULL, "LOUT"},
|
||||
{"Speaker", NULL, "ROUT"},
|
||||
};
|
||||
|
||||
#define QI_LB60_DAIFMT (SND_SOC_DAIFMT_I2S | \
|
||||
SND_SOC_DAIFMT_NB_NF | \
|
||||
SND_SOC_DAIFMT_CBM_CFM)
|
||||
|
||||
static int qi_lb60_codec_init(struct snd_soc_codec *codec)
|
||||
{
|
||||
int ret;
|
||||
struct snd_soc_dai *cpu_dai = codec->socdev->card->dai_link->cpu_dai;
|
||||
struct snd_soc_dai *codec_dai = codec->socdev->card->dai_link->codec_dai;
|
||||
|
||||
snd_soc_dapm_nc_pin(codec, "LIN");
|
||||
snd_soc_dapm_nc_pin(codec, "RIN");
|
||||
|
||||
ret = snd_soc_dai_set_fmt(codec_dai, QI_LB60_DAIFMT);
|
||||
if (ret < 0) {
|
||||
dev_err(codec->dev, "Failed to set codec dai format: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = snd_soc_dai_set_fmt(cpu_dai, QI_LB60_DAIFMT);
|
||||
if (ret < 0) {
|
||||
dev_err(codec->dev, "Failed to set cpu dai format: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = snd_soc_dai_set_sysclk(codec_dai, JZCODEC_SYSCLK, 111,
|
||||
SND_SOC_CLOCK_IN);
|
||||
if (ret < 0) {
|
||||
dev_err(codec->dev, "Failed to set codec dai sysclk: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
snd_soc_dapm_new_controls(codec, qi_lb60_widgets, ARRAY_SIZE(qi_lb60_widgets));
|
||||
|
||||
snd_soc_dapm_add_routes(codec, qi_lb60_routes, ARRAY_SIZE(qi_lb60_routes));
|
||||
|
||||
snd_soc_dapm_sync(codec);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct snd_soc_dai_link qi_lb60_dai = {
|
||||
.name = "jz-codec",
|
||||
.stream_name = "JZCODEC",
|
||||
.cpu_dai = &jz4740_i2s_dai,
|
||||
.codec_dai = &jz_codec_dai,
|
||||
.init = qi_lb60_codec_init,
|
||||
};
|
||||
|
||||
static struct snd_soc_card qi_lb60 = {
|
||||
.name = "QI LB60",
|
||||
.dai_link = &qi_lb60_dai,
|
||||
.num_links = 1,
|
||||
.platform = &jz4740_soc_platform,
|
||||
};
|
||||
|
||||
static struct snd_soc_device qi_lb60_snd_devdata = {
|
||||
.card = &qi_lb60,
|
||||
.codec_dev = &soc_codec_dev_jzcodec,
|
||||
};
|
||||
|
||||
static struct platform_device *qi_lb60_snd_device;
|
||||
|
||||
static int __init qi_lb60_init(void)
|
||||
{
|
||||
int ret;
|
||||
|
||||
qi_lb60_snd_device = platform_device_alloc("soc-audio", -1);
|
||||
|
||||
if (!qi_lb60_snd_device)
|
||||
return -ENOMEM;
|
||||
|
||||
|
||||
ret = gpio_request(QI_LB60_SND_GPIO, "SND");
|
||||
if (ret) {
|
||||
pr_err("qi_lb60 snd: Failed to request SND GPIO(%d): %d\n",
|
||||
QI_LB60_SND_GPIO, ret);
|
||||
goto err_device_put;
|
||||
}
|
||||
|
||||
ret = gpio_request(QI_LB60_AMP_GPIO, "AMP");
|
||||
if (ret) {
|
||||
pr_err("qi_lb60 snd: Failed to request AMP GPIO(%d): %d\n",
|
||||
QI_LB60_AMP_GPIO, ret);
|
||||
goto err_gpio_free_snd;
|
||||
}
|
||||
|
||||
gpio_direction_output(JZ_GPIO_PORTB(29), 0);
|
||||
gpio_direction_output(JZ_GPIO_PORTD(4), 0);
|
||||
|
||||
platform_set_drvdata(qi_lb60_snd_device, &qi_lb60_snd_devdata);
|
||||
qi_lb60_snd_devdata.dev = &qi_lb60_snd_device->dev;
|
||||
ret = platform_device_add(qi_lb60_snd_device);
|
||||
if (ret) {
|
||||
pr_err("qi_lb60 snd: Failed to add snd soc device: %d\n", ret);
|
||||
goto err_unset_pdata;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
err_unset_pdata:
|
||||
platform_set_drvdata(qi_lb60_snd_device, NULL);
|
||||
/*err_gpio_free_amp:*/
|
||||
gpio_free(QI_LB60_AMP_GPIO);
|
||||
err_gpio_free_snd:
|
||||
gpio_free(QI_LB60_SND_GPIO);
|
||||
err_device_put:
|
||||
platform_device_put(qi_lb60_snd_device);
|
||||
|
||||
return ret;
|
||||
}
|
||||
module_init(qi_lb60_init);
|
||||
|
||||
static void __exit qi_lb60_exit(void)
|
||||
{
|
||||
gpio_free(QI_LB60_AMP_GPIO);
|
||||
gpio_free(QI_LB60_SND_GPIO);
|
||||
platform_device_unregister(qi_lb60_snd_device);
|
||||
}
|
||||
module_exit(qi_lb60_exit);
|
||||
|
||||
MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
|
||||
MODULE_DESCRIPTION("ALSA SoC QI LB60 Audio support");
|
||||
MODULE_LICENSE("GPL v2");
|
||||
Loading…
Reference in New Issue
Block a user