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-rw-r--r--sound/soc/samsung/dma.h36
1 files changed, 13 insertions, 23 deletions
diff --git a/sound/soc/samsung/dma.h b/sound/soc/samsung/dma.h
index 189a7a6d5020..7b5d4556e0fd 100644
--- a/sound/soc/samsung/dma.h
+++ b/sound/soc/samsung/dma.h
@@ -1,28 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
/*
- * dma.h --
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * ALSA PCM interface for the Samsung SoC
+ * ALSA PCM interface for the Samsung SoC
*/
-#ifndef _S3C_AUDIO_H
-#define _S3C_AUDIO_H
+#ifndef _SAMSUNG_DMA_H
+#define _SAMSUNG_DMA_H
-struct s3c_dma_params {
- struct s3c2410_dma_client *client; /* stream identifier */
- int channel; /* Channel ID */
- dma_addr_t dma_addr;
- int dma_size; /* Size of the DMA transfer */
- unsigned ch;
- struct samsung_dma_ops *ops;
- char *ch_name;
-};
+#include <sound/dmaengine_pcm.h>
-int asoc_dma_platform_register(struct device *dev);
-void asoc_dma_platform_unregister(struct device *dev);
-
-#endif
+/*
+ * @tx, @rx arguments can be NULL if the DMA channel names are "tx", "rx",
+ * otherwise actual DMA channel names must be passed to this function.
+ */
+int samsung_asoc_dma_platform_register(struct device *dev, dma_filter_fn filter,
+ const char *tx, const char *rx,
+ struct device *dma_dev);
+#endif /* _SAMSUNG_DMA_H */