Initial Contribution

msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142

Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
diff --git a/include/sound/dai.h b/include/sound/dai.h
new file mode 100644
index 0000000..27ff980
--- /dev/null
+++ b/include/sound/dai.h
@@ -0,0 +1,48 @@
+/* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only 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.
+ *
+ */
+#ifndef __DAI_H__
+#define __DAI_H__
+
+struct dai_dma_params {
+	u8 *buffer;
+	uint32_t src_start;
+	uint32_t bus_id;
+	int buffer_size;
+	int period_size;
+	int channels;
+};
+
+enum {
+	DAI_SPKR = 0,
+	DAI_MIC,
+	DAI_MI2S,
+	DAI_SEC_SPKR,
+	DAI_SEC_MIC,
+};
+
+/* Function Prototypes */
+int dai_open(uint32_t dma_ch);
+void dai_close(uint32_t dma_ch);
+int dai_start(uint32_t dma_ch);
+int dai_stop(uint32_t dma_ch);
+int dai_set_params(uint32_t dma_ch, struct dai_dma_params *params);
+uint32_t dai_get_dma_pos(uint32_t dma_ch);
+void register_dma_irq_handler(int dma_ch,
+		irqreturn_t (*callback) (int intrSrc, void *private_data),
+		void *private_data);
+void unregister_dma_irq_handler(int dma_ch);
+void dai_set_master_mode(uint32_t dma_ch, int mode);
+int dai_start_hdmi(uint32_t dma_ch);
+void dai_stop_hdmi(uint32_t dma_ch);
+
+#endif