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/*
* FSI - HDMI sound support
*
* Copyright (C) 2010 Renesas Solutions Corp.
* Kuninori Morimoto <kuninori.morimoto.gx@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_hdmi_data {
const char *cpu_dai;
const char *card;
int id;
};
static int fsi_hdmi_dai_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_dai *cpu = rtd->cpu_dai;
int ret;
ret = snd_soc_dai_set_fmt(cpu, SND_SOC_DAIFMT_CBM_CFM);
return ret;
}
static struct snd_soc_dai_link fsi_dai_link = {
.name = "HDMI",
.stream_name = "HDMI",
.codec_dai_name = "sh_mobile_hdmi-hifi",
.platform_name = "sh_fsi2",
.codec_name = "sh-mobile-hdmi",
.init = fsi_hdmi_dai_init,
};
static struct snd_soc_card fsi_soc_card = {
.dai_link = &fsi_dai_link,
.num_links = 1,
};
static struct platform_device *fsi_snd_device;
static int fsi_hdmi_probe(struct platform_device *pdev)
{
int ret = -ENOMEM;
const struct platform_device_id *id_entry;
struct fsi_hdmi_data *pdata;
id_entry = pdev->id_entry;
if (!id_entry) {
dev_err(&pdev->dev, "unknown fsi hdmi\n");
return -ENODEV;
}
pdata = (struct fsi_hdmi_data *)id_entry->driver_data;
fsi_snd_device = platform_device_alloc("soc-audio", pdata->id);
if (!fsi_snd_device)
goto out;
fsi_dai_link.cpu_dai_name = pdata->cpu_dai;
fsi_soc_card.name = pdata->card;
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_hdmi_remove(struct platform_device *pdev)
{
platform_device_unregister(fsi_snd_device);
return 0;
}
static struct fsi_hdmi_data fsi2_a_hdmi = {
.cpu_dai = "fsia-dai",
.card = "FSI2A-HDMI",
.id = FSI_PORT_A,
};
static struct fsi_hdmi_data fsi2_b_hdmi = {
.cpu_dai = "fsib-dai",
.card = "FSI2B-HDMI",
.id = FSI_PORT_B,
};
static struct platform_device_id fsi_id_table[] = {
/* FSI 2 */
{ "sh_fsi2_a_hdmi", (kernel_ulong_t)&fsi2_a_hdmi },
{ "sh_fsi2_b_hdmi", (kernel_ulong_t)&fsi2_b_hdmi },
{},
};
static struct platform_driver fsi_hdmi = {
.driver = {
.name = "fsi-hdmi-audio",
},
.probe = fsi_hdmi_probe,
.remove = fsi_hdmi_remove,
.id_table = fsi_id_table,
};
static int __init fsi_hdmi_init(void)
{
return platform_driver_register(&fsi_hdmi);
}
static void __exit fsi_hdmi_exit(void)
{
platform_driver_unregister(&fsi_hdmi);
}
module_init(fsi_hdmi_init);
module_exit(fsi_hdmi_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Generic SH4 FSI-HDMI sound card");
MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
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