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s3c2412-i2s.h

/* sound/soc/s3c24xx/s3c2412-i2s.c
 *
 * ALSA Soc Audio Layer - S3C2412 I2S driver
 *
 * Copyright (c) 2007 Simtec Electronics
 *    http://armlinux.simtec.co.uk/
 *    Ben Dooks <ben@simtec.co.uk>
 *
 *  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.
*/

#ifndef __SND_SOC_S3C24XX_S3C2412_I2S_H
#define __SND_SOC_S3C24XX_S3C2412_I2S_H __FILE__

#define S3C2412_DIV_BCLK      (1)
#define S3C2412_DIV_RCLK      (2)
#define S3C2412_DIV_PRESCALER (3)

#define S3C2412_CLKSRC_PCLK   (0)
#define S3C2412_CLKSRC_I2SCLK (1)

extern struct clk *s3c2412_get_iisclk(void);

extern struct snd_soc_dai s3c2412_i2s_dai;

struct s3c2412_rate_calc {
      unsigned int      clk_div;    /* for prescaler */
      unsigned int      fs_div;           /* for root frame clock */
};

extern int s3c2412_iis_calc_rate(struct s3c2412_rate_calc *info,
                         unsigned int *fstab,
                         unsigned int rate, struct clk *clk);

#endif /* __SND_SOC_S3C24XX_S3C2412_I2S_H */

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