OpenCloudOS-Kernel/arch/arm/plat-s3c/include/plat/audio.h

46 lines
1.4 KiB
C

/* arch/arm/mach-s3c2410/include/mach/audio.h
*
* Copyright (c) 2004-2005 Simtec Electronics
* http://www.simtec.co.uk/products/SWLINUX/
* Ben Dooks <ben@simtec.co.uk>
*
* S3C24XX - Audio platfrom_device info
*
* 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 __ASM_ARCH_AUDIO_H
#define __ASM_ARCH_AUDIO_H __FILE__
/* struct s3c24xx_iis_ops
*
* called from the s3c24xx audio core to deal with the architecture
* or the codec's setup and control.
*
* the pointer to itself is passed through in case the caller wants to
* embed this in an larger structure for easy reference to it's context.
*/
struct s3c24xx_iis_ops {
struct module *owner;
int (*startup)(struct s3c24xx_iis_ops *me);
void (*shutdown)(struct s3c24xx_iis_ops *me);
int (*suspend)(struct s3c24xx_iis_ops *me);
int (*resume)(struct s3c24xx_iis_ops *me);
int (*open)(struct s3c24xx_iis_ops *me, struct snd_pcm_substream *strm);
int (*close)(struct s3c24xx_iis_ops *me, struct snd_pcm_substream *strm);
int (*prepare)(struct s3c24xx_iis_ops *me, struct snd_pcm_substream *strm, struct snd_pcm_runtime *rt);
};
struct s3c24xx_platdata_iis {
const char *codec_clk;
struct s3c24xx_iis_ops *ops;
int (*match_dev)(struct device *dev);
};
#endif /* __ASM_ARCH_AUDIO_H */