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50 lines
1.4 KiB
50 lines
1.4 KiB
20 years ago
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/* linux/include/asm-arm/arch-s3c2410/audio.h
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*
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* (c) 2004-2005 Simtec Electronics
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* http://www.simtec.co.uk/products/SWLINUX/
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* Ben Dooks <ben@simtec.co.uk>
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*
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* S3C24XX - Audio platfrom_device info
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Changelog:
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* 20-Nov-2004 BJD Created file
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* 07-Mar-2005 BJD Added suspend/resume calls
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*/
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#ifndef __ASM_ARCH_AUDIO_H
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#define __ASM_ARCH_AUDIO_H __FILE__
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/* struct s3c24xx_iis_ops
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*
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* called from the s3c24xx audio core to deal with the architecture
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* or the codec's setup and control.
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*
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* the pointer to itself is passed through in case the caller wants to
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* embed this in an larger structure for easy reference to it's context.
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*/
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struct s3c24xx_iis_ops {
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struct module *owner;
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int (*startup)(struct s3c24xx_iis_ops *me);
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void (*shutdown)(struct s3c24xx_iis_ops *me);
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int (*suspend)(struct s3c24xx_iis_ops *me);
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int (*resume)(struct s3c24xx_iis_ops *me);
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int (*open)(struct s3c24xx_iis_ops *me, snd_pcm_substream_t *strm);
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int (*close)(struct s3c24xx_iis_ops *me, snd_pcm_substream_t *strm);
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int (*prepare)(struct s3c24xx_iis_ops *me, snd_pcm_substream_t *strm, snd_pcm_runtime_t *rt);
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};
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struct s3c24xx_platdata_iis {
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const char *codec_clk;
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struct s3c24xx_iis_ops *ops;
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int (*match_dev)(struct device *dev);
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};
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#endif /* __ASM_ARCH_AUDIO_H */
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