/kern_oII/sound/arm/pxa2xx-pcm.h

http://omnia2droid.googlecode.com/ · C++ Header · 30 lines · 15 code · 4 blank · 11 comment · 0 complexity · 8fad2b609c3d8655e7bc1bfed729e923 MD5 · raw file 

    

  1. /*
    2. 

  2.  * linux/sound/arm/pxa2xx-pcm.h -- ALSA PCM interface for the Intel PXA2xx chip
    3. 

  3.  *
    4. 

  4.  * Author:	Nicolas Pitre
    5. 

  5.  * Created:	Nov 30, 2004
    6. 

  6.  * Copyright:	MontaVista Software, Inc.
    7. 

  7.  *
    8. 

  8.  * This program is free software; you can redistribute it and/or modify
    9. 

  9.  * it under the terms of the GNU General Public License version 2 as
    10. 

  10.  * published by the Free Software Foundation.
    11. 

  11.  */
    12. 

  12. #include <mach/dma.h>
    13. 

  13. 

  14. struct pxa2xx_runtime_data {
    15. 

  15. 	int dma_ch;
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  16. 	struct pxa2xx_pcm_dma_params *params;
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  17. 	pxa_dma_desc *dma_desc_array;
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  18. 	dma_addr_t dma_desc_array_phys;
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  19. };
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  20. 

  21. struct pxa2xx_pcm_client {
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  22. 	struct pxa2xx_pcm_dma_params *playback_params;
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  23. 	struct pxa2xx_pcm_dma_params *capture_params;
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  24. 	int (*startup)(struct snd_pcm_substream *);
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  25. 	void (*shutdown)(struct snd_pcm_substream *);
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  26. 	int (*prepare)(struct snd_pcm_substream *);
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  27. };
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  28. 

  29. extern int pxa2xx_pcm_new(struct snd_card *, struct pxa2xx_pcm_client *, struct snd_pcm **);
    30.