xref: /openbmc/linux/sound/soc/samsung/dma.h (revision 22fd411a)
1 /*
2  *  dma.h --
3  *
4  *  This program is free software; you can redistribute  it and/or modify it
5  *  under  the terms of  the GNU General  Public License as published by the
6  *  Free Software Foundation;  either version 2 of the  License, or (at your
7  *  option) any later version.
8  *
9  *  ALSA PCM interface for the Samsung S3C24xx CPU
10  */
11 
12 #ifndef _S3C_AUDIO_H
13 #define _S3C_AUDIO_H
14 
15 #define ST_RUNNING		(1<<0)
16 #define ST_OPENED		(1<<1)
17 
18 struct s3c_dma_params {
19 	struct s3c2410_dma_client *client;	/* stream identifier */
20 	int channel;				/* Channel ID */
21 	dma_addr_t dma_addr;
22 	int dma_size;			/* Size of the DMA transfer */
23 };
24 
25 #define S3C24XX_DAI_I2S			0
26 
27 /* platform data */
28 extern struct snd_ac97_bus_ops s3c24xx_ac97_ops;
29 
30 #endif
31