mxs-pcm.h 1.1 KB

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  1. /*
  2. * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
  3. *
  4. * This program is free software; you can redistribute it and/or modify
  5. * it under the terms of the GNU General Public License as published by
  6. * the Free Software Foundation; either version 2 of the License, or
  7. * (at your option) any later version.
  8. *
  9. * This program is distributed in the hope that it will be useful,
  10. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. * GNU General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU General Public License along
  15. * with this program; if not, write to the Free Software Foundation, Inc.,
  16. * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17. */
  18. #ifndef _MXS_PCM_H
  19. #define _MXS_PCM_H
  20. #include <mach/dma.h>
  21. struct mxs_pcm_dma_params {
  22. int chan_irq;
  23. int chan_num;
  24. };
  25. struct mxs_pcm_runtime_data {
  26. int period_bytes;
  27. int periods;
  28. unsigned long offset;
  29. struct dma_async_tx_descriptor *desc;
  30. struct dma_chan *dma_chan;
  31. struct mxs_dma_data dma_data;
  32. struct mxs_pcm_dma_params *dma_params;
  33. };
  34. #endif