at91-i2s.h 782 B

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  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. #ifndef _AT91_I2S_H
  13. #define _AT91_I2S_H
  14. /* I2S system clock ids */
  15. #define AT91_SYSCLK_MCK 0 /* SSC uses AT91 MCK as system clock */
  16. /* I2S divider ids */
  17. #define AT91SSC_CMR_DIV 0 /* MCK divider for BCLK */
  18. #define AT91SSC_TCMR_PERIOD 1 /* BCLK divider for transmit FS */
  19. #define AT91SSC_RCMR_PERIOD 2 /* BCLK divider for receive FS */
  20. extern struct snd_soc_cpu_dai at91_i2s_dai[];
  21. #endif /* _AT91_I2S_H */