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-rw-r--r--sound/soc/samsung/idma.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/sound/soc/samsung/idma.h b/sound/soc/samsung/idma.h
new file mode 100644
index 0000000000..8a46a918ed
--- /dev/null
+++ b/sound/soc/samsung/idma.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd
+ * http://www.samsung.com
+ */
+
+#ifndef __SND_SOC_SAMSUNG_IDMA_H_
+#define __SND_SOC_SAMSUNG_IDMA_H_
+
+extern void idma_reg_addr_init(void __iomem *regs, dma_addr_t addr);
+
+/* dma_state */
+#define LPAM_DMA_STOP 0
+#define LPAM_DMA_START 1
+
+#define MAX_IDMA_PERIOD (128 * 1024)
+#define MAX_IDMA_BUFFER (160 * 1024)
+
+#endif /* __SND_SOC_SAMSUNG_IDMA_H_ */