sound/soc/at91/at91-i2s.h

   1 /*
   2  * at91-i2s.h - ALSA I2S interface for the Atmel AT91 SoC
   3  *
   4  * Author:      Frank Mandarino <fmandarino@endrelia.com>
   5  *              Endrelia Technologies Inc.
   6  * Created:     Jan 9, 2007
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12
  13 #ifndef _AT91_I2S_H
  14 #define _AT91_I2S_H
  15
  16 /* I2S system clock ids */
  17 #define AT91_SYSCLK_MCK         0 /* SSC uses AT91 MCK as system clock */
  18
  19 /* I2S divider ids */
  20 #define AT91SSC_CMR_DIV         0 /* MCK divider for BCLK */
  21 #define AT91SSC_TCMR_PERIOD     1 /* BCLK divider for transmit FS */
  22 #define AT91SSC_RCMR_PERIOD     2 /* BCLK divider for receive FS */
  23
  24 extern struct snd_soc_cpu_dai at91_i2s_dai[];
  25
  26 #endif /* _AT91_I2S_H */
  27