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authorRicardo Neri <ricardo.neri@ti.com>2011-04-07 08:44:20 +0100
committerAndy Green <andy.green@linaro.org>2011-04-07 08:44:20 +0100
commit109d4fc015e5e4a5d096b6778fa29e264e9c0cc4 (patch)
tree18b06f526b33949b9f37e12b60fb3c4b61a0870b
parentb29b2d561fa3b4e20117b70a3875443465e160ec (diff)
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>
-rw-r--r--sound/soc/omap/omap4-hdmi-card.c89
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..28644e1a37f
--- /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");