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/*
* FSI-AK464x sound support for ms7724se
*
* Copyright (C) 2009 Renesas Solutions Corp.
* Kuninori Morimoto <morimoto.kuninori@renesas.com>
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <linux/platform_device.h>
#include <sound/sh_fsi.h>
struct fsi_ak4642_data {
const char *name;
const char *cpu_dai;
const char *codec;
const char *platform;
};
static int fsi_ak4642_dai_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_dai *dai = rtd->codec_dai;
int ret;
ret = snd_soc_dai_set_fmt(dai, SND_SOC_DAIFMT_CBM_CFM);
if (ret < 0)
return ret;
ret = snd_soc_dai_set_sysclk(dai, 0, 11289600, 0);
return ret;
}
static struct snd_soc_dai_link fsi_dai_link = {
.codec_dai_name = "ak4642-hifi",
.init = fsi_ak4642_dai_init,
};
static struct snd_soc_card fsi_soc_card = {
.name = "FSI (AK4642)",
.dai_link = &fsi_dai_link,
.num_links = 1,
};
static struct platform_device *fsi_snd_device;
static int fsi_ak4642_probe(struct platform_device *pdev)
{
int ret = -ENOMEM;
const struct platform_device_id *id_entry;
struct fsi_ak4642_data *pdata;
id_entry = pdev->id_entry;
if (!id_entry) {
dev_err(&pdev->dev, "unknown fsi ak4642\n");
return -ENODEV;
}
pdata = (struct fsi_ak4642_data *)id_entry->driver_data;
fsi_snd_device = platform_device_alloc("soc-audio", FSI_PORT_A);
if (!fsi_snd_device)
goto out;
fsi_dai_link.name = pdata->name;
fsi_dai_link.stream_name = pdata->name;
fsi_dai_link.cpu_dai_name = pdata->cpu_dai;
fsi_dai_link.platform_name = pdata->platform;
fsi_dai_link.codec_name = pdata->codec;
platform_set_drvdata(fsi_snd_device, &fsi_soc_card);
ret = platform_device_add(fsi_snd_device);
if (ret)
platform_device_put(fsi_snd_device);
out:
return ret;
}
static int fsi_ak4642_remove(struct platform_device *pdev)
{
platform_device_unregister(fsi_snd_device);
return 0;
}
static struct fsi_ak4642_data fsi_a_ak4642 = {
.name = "AK4642",
.cpu_dai = "fsia-dai",
.codec = "ak4642-codec.0-0012",
.platform = "sh_fsi.0",
};
static struct fsi_ak4642_data fsi_b_ak4642 = {
.name = "AK4642",
.cpu_dai = "fsib-dai",
.codec = "ak4642-codec.0-0012",
.platform = "sh_fsi.0",
};
static struct fsi_ak4642_data fsi_a_ak4643 = {
.name = "AK4643",
.cpu_dai = "fsia-dai",
.codec = "ak4642-codec.0-0013",
.platform = "sh_fsi.0",
};
static struct fsi_ak4642_data fsi_b_ak4643 = {
.name = "AK4643",
.cpu_dai = "fsib-dai",
.codec = "ak4642-codec.0-0013",
.platform = "sh_fsi.0",
};
static struct fsi_ak4642_data fsi2_a_ak4642 = {
.name = "AK4642",
.cpu_dai = "fsia-dai",
.codec = "ak4642-codec.0-0012",
.platform = "sh_fsi2",
};
static struct fsi_ak4642_data fsi2_b_ak4642 = {
.name = "AK4642",
.cpu_dai = "fsib-dai",
.codec = "ak4642-codec.0-0012",
.platform = "sh_fsi2",
};
static struct fsi_ak4642_data fsi2_a_ak4643 = {
.name = "AK4643",
.cpu_dai = "fsia-dai",
.codec = "ak4642-codec.0-0013",
.platform = "sh_fsi2",
};
static struct fsi_ak4642_data fsi2_b_ak4643 = {
.name = "AK4643",
.cpu_dai = "fsib-dai",
.codec = "ak4642-codec.0-0013",
.platform = "sh_fsi2",
};
static struct platform_device_id fsi_id_table[] = {
/* FSI */
{ "sh_fsi_a_ak4642", (kernel_ulong_t)&fsi_a_ak4642 },
{ "sh_fsi_b_ak4642", (kernel_ulong_t)&fsi_b_ak4642 },
{ "sh_fsi_a_ak4643", (kernel_ulong_t)&fsi_a_ak4643 },
{ "sh_fsi_b_ak4643", (kernel_ulong_t)&fsi_b_ak4643 },
/* FSI 2 */
{ "sh_fsi2_a_ak4642", (kernel_ulong_t)&fsi2_a_ak4642 },
{ "sh_fsi2_b_ak4642", (kernel_ulong_t)&fsi2_b_ak4642 },
{ "sh_fsi2_a_ak4643", (kernel_ulong_t)&fsi2_a_ak4643 },
{ "sh_fsi2_b_ak4643", (kernel_ulong_t)&fsi2_b_ak4643 },
{},
};
static struct platform_driver fsi_ak4642 = {
.driver = {
.name = "fsi-ak4642-audio",
},
.probe = fsi_ak4642_probe,
.remove = fsi_ak4642_remove,
.id_table = fsi_id_table,
};
static int __init fsi_ak4642_init(void)
{
return platform_driver_register(&fsi_ak4642);
}
static void __exit fsi_ak4642_exit(void)
{
platform_driver_unregister(&fsi_ak4642);
}
module_init(fsi_ak4642_init);
module_exit(fsi_ak4642_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Generic SH4 FSI-AK4642 sound card");
MODULE_AUTHOR("Kuninori Morimoto <morimoto.kuninori@renesas.com>");
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