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davinci-mcasp.h

davinci-mcasp.h 1.4 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 <mach/asp.h>
    23. 

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

  24. 

  25. extern struct snd_soc_dai davinci_mcasp_dai[];
    26. 

  26. 

  27. #define DAVINCI_MCASP_RATES	SNDRV_PCM_RATE_8000_96000
    28. 

  28. #define DAVINCI_MCASP_I2S_DAI	0
    29. 

  29. #define DAVINCI_MCASP_DIT_DAI	1
    30. 

  30. 

  31. enum {
    32. 

  32. 	DAVINCI_AUDIO_WORD_8 = 0,
    33. 

  33. 	DAVINCI_AUDIO_WORD_12,
    34. 

  34. 	DAVINCI_AUDIO_WORD_16,
    35. 

  35. 	DAVINCI_AUDIO_WORD_20,
    36. 

  36. 	DAVINCI_AUDIO_WORD_24,
    37. 

  37. 	DAVINCI_AUDIO_WORD_32,
    38. 

  38. 	DAVINCI_AUDIO_WORD_28,  /* This is only valid for McASP */
    39. 

  39. };
    40. 

  40. 

  41. struct davinci_audio_dev {
    42. 

  42. 	struct davinci_pcm_dma_params dma_params[2];
    43. 

  43. 	void __iomem *base;
    44. 

  44. 	int sample_rate;
    45. 

  45. 	struct clk *clk;
    46. 

  46. 	unsigned int codec_fmt;
    47. 

  47. 	u8 clk_active;
    48. 

  48. 

  49. 	/* McASP specific data */
    50. 

  50. 	int	tdm_slots;
    51. 

  51. 	u8	op_mode;
    52. 

  52. 	u8	num_serializer;
    53. 

  53. 	u8	*serial_dir;
    54. 

  54. 	u8	version;
    55. 

  55. 

  56. 	/* McASP FIFO related */
    57. 

  57. 	u8	txnumevt;
    58. 

  58. 	u8	rxnumevt;
    59. 

  59. };
    60. 

  60. 

  61. #endif	/* DAVINCI_MCASP_H */
    62.