128 lines
2.7 KiB
C
128 lines
2.7 KiB
C
/*
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* FSI - HDMI sound support
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*
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* Copyright (C) 2010 Renesas Solutions Corp.
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* Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#include <linux/platform_device.h>
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#include <sound/sh_fsi.h>
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struct fsi_hdmi_data {
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const char *cpu_dai;
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const char *card;
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int id;
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};
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static int fsi_hdmi_dai_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_dai *cpu = rtd->cpu_dai;
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int ret;
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ret = snd_soc_dai_set_fmt(cpu, SND_SOC_DAIFMT_CBM_CFM);
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return ret;
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}
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static struct snd_soc_dai_link fsi_dai_link = {
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.name = "HDMI",
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.stream_name = "HDMI",
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.codec_dai_name = "sh_mobile_hdmi-hifi",
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.platform_name = "sh_fsi2",
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.codec_name = "sh-mobile-hdmi",
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.init = fsi_hdmi_dai_init,
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};
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static struct snd_soc_card fsi_soc_card = {
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.dai_link = &fsi_dai_link,
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.num_links = 1,
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};
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static struct platform_device *fsi_snd_device;
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static int fsi_hdmi_probe(struct platform_device *pdev)
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{
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int ret = -ENOMEM;
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const struct platform_device_id *id_entry;
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struct fsi_hdmi_data *pdata;
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id_entry = pdev->id_entry;
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if (!id_entry) {
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dev_err(&pdev->dev, "unknown fsi hdmi\n");
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return -ENODEV;
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}
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pdata = (struct fsi_hdmi_data *)id_entry->driver_data;
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fsi_snd_device = platform_device_alloc("soc-audio", pdata->id);
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if (!fsi_snd_device)
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goto out;
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fsi_dai_link.cpu_dai_name = pdata->cpu_dai;
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fsi_soc_card.name = pdata->card;
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platform_set_drvdata(fsi_snd_device, &fsi_soc_card);
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ret = platform_device_add(fsi_snd_device);
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if (ret)
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platform_device_put(fsi_snd_device);
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out:
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return ret;
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}
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static int fsi_hdmi_remove(struct platform_device *pdev)
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{
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platform_device_unregister(fsi_snd_device);
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return 0;
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}
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static struct fsi_hdmi_data fsi2_a_hdmi = {
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.cpu_dai = "fsia-dai",
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.card = "FSI2A-HDMI",
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.id = FSI_PORT_A,
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};
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static struct fsi_hdmi_data fsi2_b_hdmi = {
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.cpu_dai = "fsib-dai",
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.card = "FSI2B-HDMI",
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.id = FSI_PORT_B,
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};
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static struct platform_device_id fsi_id_table[] = {
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/* FSI 2 */
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{ "sh_fsi2_a_hdmi", (kernel_ulong_t)&fsi2_a_hdmi },
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{ "sh_fsi2_b_hdmi", (kernel_ulong_t)&fsi2_b_hdmi },
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{},
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};
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static struct platform_driver fsi_hdmi = {
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.driver = {
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.name = "fsi-hdmi-audio",
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},
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.probe = fsi_hdmi_probe,
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.remove = fsi_hdmi_remove,
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.id_table = fsi_id_table,
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};
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static int __init fsi_hdmi_init(void)
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{
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return platform_driver_register(&fsi_hdmi);
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}
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static void __exit fsi_hdmi_exit(void)
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{
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platform_driver_unregister(&fsi_hdmi);
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}
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module_init(fsi_hdmi_init);
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module_exit(fsi_hdmi_exit);
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("Generic SH4 FSI-HDMI sound card");
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MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
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