ASoC: OMAP4: Add Machine driver for HDMI for SDP and Panda

Add machine driver for HDMI on OMAP4 for SDP and Panda boards.

Signed-off-by: Ricardo Neri <ricardo.neri@ti.com>

1 files changed, 89 insertions, 0 deletions

diff --git a/sound/soc/omap/omap4-hdmi-card.c b/sound/soc/omap/omap4-hdmi-card.c
new file mode 100644
index 00000000000..410435e19a6
--- /dev/null
+++ b/sound/soc/omap/omap4-hdmi-card.c
@@ -0,0 +1,89 @@
+/*
+ * sdp4430-hdmi.c
+ *
+ * OMAP ALSA SoC machine driver for TI OMAP4 HDMI
+ * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com/
+ * Author: Ricardo Neri <ricardo.neri@ti.com>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <asm/mach-types.h>
+
+#define OMAP4_HDMI_SND_DEV_ID 1
+
+static struct snd_soc_dai_link omap4_hdmi_dai = {
+		.name = "HDMI",
+		.stream_name = "HDMI",
+		.cpu_dai_name = "hdmi-audio-dai",
+		.platform_name = "omap-pcm-audio",
+		.codec_name = "omapdss_hdmi",
+		.codec_dai_name = "omap4-hdmi-audio-codec"
+};
+
+/* Audio machine driver */
+static struct snd_soc_card snd_soc_omap4_hdmi = {
+	.name = "SDP4430HDMI",
+	/* .long_name = "TI OMAP4 HDMI Board", */
+	.dai_link = &omap4_hdmi_dai,
+	.num_links = 1,
+};
+
+static struct platform_device *omap4_hdmi_snd_device;
+
+static int __init omap4_hdmi_soc_init(void)
+{
+	int ret;
+
+	if (!(machine_is_omap_4430sdp() || machine_is_omap4_panda()))
+		return -ENODEV;
+	printk(KERN_INFO "OMAP4 HDMI audio SoC init\n");
+
+	if (machine_is_omap4_panda())
+		snd_soc_omap4_hdmi.name = "PandaHDMI";
+
+	omap4_hdmi_snd_device = platform_device_alloc("soc-audio",
+		OMAP4_HDMI_SND_DEV_ID);
+	if (!omap4_hdmi_snd_device) {
+		printk(KERN_ERR "Platform device allocation failed\n");
+		return -ENOMEM;
+	}
+
+	platform_set_drvdata(omap4_hdmi_snd_device, &snd_soc_omap4_hdmi);
+
+	ret = platform_device_add(omap4_hdmi_snd_device);
+	if (ret)
+		goto err;
+
+	return 0;
+err:
+	printk(KERN_ERR "Unable to add platform device\n");
+	platform_device_put(omap4_hdmi_snd_device);
+	return ret;
+}
+module_init(omap4_hdmi_soc_init);
+
+static void __exit omap4_hdmi_soc_exit(void)
+{
+	platform_device_unregister(omap4_hdmi_snd_device);
+}
+module_exit(omap4_hdmi_soc_exit);
+
+MODULE_AUTHOR("Ricardo Neri <ricardo.neri@ti.com>");
+MODULE_DESCRIPTION("ALSA SoC OMAP4 HDMI AUDIO");
+MODULE_LICENSE("GPL");