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davinci-mcasp.h

davinci-mcasp.h 1.1 KB
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  1. /*
    2. 

  2.  * ALSA SoC McASP Audio Layer for TI DAVINCI processor
    3. 

  3.  *
    4. 

  4.  * MCASP related definitions
    5. 

  5.  *
    6. 

  6.  * Author: Nirmal Pandey <n-pandey@ti.com>,
    7. 

  7.  *         Suresh Rajashekara <suresh.r@ti.com>
    8. 

  8.  *         Steve Chen <schen@.mvista.com>
    9. 

  9.  *
    10. 

  10.  * Copyright:   (C) 2009 MontaVista Software, Inc., <source@mvista.com>
    11. 

  11.  * Copyright:   (C) 2009  Texas Instruments, India
    12. 

  12.  *
    13. 

  13.  * This program is free software; you can redistribute it and/or modify
    14. 

  14.  * it under the terms of the GNU General Public License version 2 as
    15. 

  15.  * published by the Free Software Foundation.
    16. 

  16.  */
    17. 

  17. 

  18. #ifndef DAVINCI_MCASP_H
    19. 

  19. #define DAVINCI_MCASP_H
    20. 

  20. 

  21. #include <linux/io.h>
    22. 

  22. #include <linux/platform_data/davinci_asp.h>
    23. 

  23. 

  24. #include "davinci-pcm.h"
    25. 

  25. 

  26. #define DAVINCI_MCASP_RATES	SNDRV_PCM_RATE_8000_192000
    27. 

  27. #define DAVINCI_MCASP_I2S_DAI	0
    28. 

  28. #define DAVINCI_MCASP_DIT_DAI	1
    29. 

  29. 

  30. struct davinci_audio_dev {
    31. 

  31. 	struct davinci_pcm_dma_params dma_params[2];
    32. 

  32. 	void __iomem *base;
    33. 

  33. 	struct device *dev;
    34. 

  34. 

  35. 	/* McASP specific data */
    36. 

  36. 	int	tdm_slots;
    37. 

  37. 	u8	op_mode;
    38. 

  38. 	u8	num_serializer;
    39. 

  39. 	u8	*serial_dir;
    40. 

  40. 	u8	version;
    41. 

  41. 	u8	bclk_lrclk_ratio;
    42. 

  42. 

  43. 	/* McASP FIFO related */
    44. 

  44. 	u8	txnumevt;
    45. 

  45. 	u8	rxnumevt;
    46. 

  46. };
    47. 

  47. 

  48. #endif	/* DAVINCI_MCASP_H */
    49.