diff options
| author | Ben Dooks <ben-linux@fluff.org> | 2008-01-10 14:47:21 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2008-01-31 17:29:53 +0100 |
| commit | 49646dfa2ae81e770da1c12c4fce227062ce4612 (patch) | |
| tree | af0e1464fdf5e8beda908b1c604bed2f72f95944 /sound/soc/s3c24xx/s3c2412-i2s.h | |
| parent | 5cd919a2144f1beee7fb2e18ef6b8bee7105f554 (diff) | |
[ALSA] ASoC: S3C2412 IIS driver
S3C2412 SoC IIS support for ALSA/ASoC
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Diffstat (limited to 'sound/soc/s3c24xx/s3c2412-i2s.h')
| -rw-r--r-- | sound/soc/s3c24xx/s3c2412-i2s.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/sound/soc/s3c24xx/s3c2412-i2s.h b/sound/soc/s3c24xx/s3c2412-i2s.h new file mode 100644 index 00000000000..27f48e1ffa8 --- /dev/null +++ b/sound/soc/s3c24xx/s3c2412-i2s.h @@ -0,0 +1,38 @@ +/* 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_cpu_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 */ |