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-rw-r--r--sound/soc/sh/fsi-hdmi.c127
1 files changed, 127 insertions, 0 deletions
diff --git a/sound/soc/sh/fsi-hdmi.c b/sound/soc/sh/fsi-hdmi.c
new file mode 100644
index 00000000..d3d9fd88
--- /dev/null
+++ b/sound/soc/sh/fsi-hdmi.c
@@ -0,0 +1,127 @@
+/*
+ * 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>");