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drivers
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usb
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function
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u_uac2.h

u_uac2.h 915 B
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  1. /*
    2. 

  2.  * u_uac2.h
    3. 

  3.  *
    4. 

  4.  * Utility definitions for UAC2 function
    5. 

  5.  *
    6. 

  6.  * Copyright (c) 2014 Samsung Electronics Co., Ltd.
    7. 

  7.  *		http://www.samsung.com
    8. 

  8.  *
    9. 

  9.  * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
    10. 

  10.  *
    11. 

  11.  * This program is free software; you can redistribute it and/or modify
    12. 

  12.  * it under the terms of the GNU General Public License version 2 as
    13. 

  13.  * published by the Free Software Foundation.
    14. 

  14.  */
    15. 

  15. 

  16. #ifndef U_UAC2_H
    17. 

  17. #define U_UAC2_H
    18. 

  18. 

  19. #include <linux/usb/composite.h>
    20. 

  20. 

  21. #define UAC2_DEF_PCHMASK 0x3
    22. 

  22. #define UAC2_DEF_PSRATE 48000
    23. 

  23. #define UAC2_DEF_PSSIZE 2
    24. 

  24. #define UAC2_DEF_CCHMASK 0x3
    25. 

  25. #define UAC2_DEF_CSRATE 64000
    26. 

  26. #define UAC2_DEF_CSSIZE 2
    27. 

  27. #define UAC2_DEF_REQ_NUM 2
    28. 

  28. 

  29. struct f_uac2_opts {
    30. 

  30. 	struct usb_function_instance	func_inst;
    31. 

  31. 	int				p_chmask;
    32. 

  32. 	int				p_srate;
    33. 

  33. 	int				p_ssize;
    34. 

  34. 	int				c_chmask;
    35. 

  35. 	int				c_srate;
    36. 

  36. 	int				c_ssize;
    37. 

  37. 	int				req_number;
    38. 

  38. 	bool				bound;
    39. 

  39. 

  40. 	struct mutex			lock;
    41. 

  41. 	int				refcnt;
    42. 

  42. };
    43. 

  43. 

  44. #endif
    45.