[ALSA] Davinci ASoC support

Add ASoC support for the TI Davinci SoC and the Davicni-EVM reference board.
It includes:
- ASoC Davinci DMA driver
- ASoC Davinci I2S (Davinci McBSP module based) driver
- ASoC Davinci-EVM reference board

Signed-off-by: Vladimir Barinov <vbarinov@ru.mvista.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 29 insertions, 0 deletions

diff --git a/sound/soc/davinci/davinci-pcm.h b/sound/soc/davinci/davinci-pcm.h
new file mode 100644
index 000000000000..8d6a45e75a6e
--- /dev/null
+++ b/sound/soc/davinci/davinci-pcm.h
@@ -0,0 +1,29 @@
+/*
+ * ALSA PCM interface for the TI DAVINCI processor
+ *
+ * Author:      Vladimir Barinov, <vbarinov@ru.mvista.com>
+ * Copyright:   (C) 2007 MontaVista Software, Inc., <source@mvista.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.
+ */
+
+#ifndef _DAVINCI_PCM_H
+#define _DAVINCI_PCM_H
+
+struct davinci_pcm_dma_params {
+        char *name;             /* stream identifier */
+        int channel;            /* sync dma channel ID */
+        dma_addr_t dma_addr;    /* device physical address for DMA */
+        unsigned int data_type; /* xfer data type */
+};
+
+struct evm_snd_platform_data {
+        int tx_dma_ch;
+        int rx_dma_ch;
+};
+
+extern struct snd_soc_platform davinci_soc_platform;
+
+#endif