diff options
Diffstat (limited to 'sound/soc/s3c24xx/s3c24xx-i2s.h')
| -rw-r--r-- | sound/soc/s3c24xx/s3c24xx-i2s.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/sound/soc/s3c24xx/s3c24xx-i2s.h b/sound/soc/s3c24xx/s3c24xx-i2s.h new file mode 100644 index 00000000000..537b4ecce8a --- /dev/null +++ b/sound/soc/s3c24xx/s3c24xx-i2s.h @@ -0,0 +1,37 @@ +/* + * s3c24xx-i2s.c -- ALSA Soc Audio Layer + * + * Copyright 2005 Wolfson Microelectronics PLC. + * Author: Graeme Gregory + * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com + * + * 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. + * + * Revision history + * 10th Nov 2006 Initial version. + */ + +#ifndef S3C24XXI2S_H_ +#define S3C24XXI2S_H_ + +/* clock sources */ +#define S3C24XX_CLKSRC_PCLK 0 +#define S3C24XX_CLKSRC_MPLL 1 + +/* Clock dividers */ +#define S3C24XX_DIV_MCLK 0 +#define S3C24XX_DIV_BCLK 1 +#define S3C24XX_DIV_PRESCALER 2 + +/* prescaler */ +#define S3C24XX_PRESCALE(a,b) \ + (((a - 1) << S3C2410_IISPSR_INTSHIFT) | ((b - 1) << S3C2410_IISPSR_EXTSHFIT)) + +u32 s3c24xx_i2s_get_clockrate(void); + +extern struct snd_soc_cpu_dai s3c24xx_i2s_dai; + +#endif /*S3C24XXI2S_H_*/ |