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Diffstat (limited to 'sound/soc/at91/at91-i2s.h')
| -rw-r--r-- | sound/soc/at91/at91-i2s.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/sound/soc/at91/at91-i2s.h b/sound/soc/at91/at91-i2s.h new file mode 100644 index 00000000000..f8a875ba0cc --- /dev/null +++ b/sound/soc/at91/at91-i2s.h @@ -0,0 +1,27 @@ +/* + * at91-i2s.h - ALSA I2S interface for the Atmel AT91 SoC + * + * Author: Frank Mandarino <fmandarino@endrelia.com> + * Endrelia Technologies Inc. + * Created: Jan 9, 2007 + * + * 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 _AT91_I2S_H +#define _AT91_I2S_H + +/* I2S system clock ids */ +#define AT91_SYSCLK_MCK 0 /* SSC uses AT91 MCK as system clock */ + +/* I2S divider ids */ +#define AT91SSC_CMR_DIV 0 /* MCK divider for BCLK */ +#define AT91SSC_TCMR_PERIOD 1 /* BCLK divider for transmit FS */ +#define AT91SSC_RCMR_PERIOD 2 /* BCLK divider for receive FS */ + +extern struct snd_soc_cpu_dai at91_i2s_dai[]; + +#endif /* _AT91_I2S_H */ + |