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mhl_msc.h

mhl_msc.h 2.1 KB
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  1. /* Copyright (c) 2013, The Linux Foundation. All rights reserved.
    2. 

  2.  *
    3. 

  3.  * This program is free software; you can redistribute it and/or modify
    4. 

  4.  * it under the terms of the GNU General Public License version 2 and
    5. 

  5.  * only version 2 as published by the Free Software Foundation.
    6. 

  6.  *
    7. 

  7.  * This program is distributed in the hope that it will be useful,
    8. 

  8.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    9. 

  9.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    10. 

  10.  * GNU General Public License for more details.
    11. 

  11.  *
    12. 

  12.  */
    13. 

  13. 

  14. #ifndef __MHL_MSC_H__
    15. 

  15. #define __MHL_MSC_H__
    16. 

  16. #include <linux/mhl_8334.h>
    17. 

  17. 

  18. #define MAX_RCP_KEYS_SUPPORTED 256
    19. 

  19. 

  20. #define MSC_NORMAL_SEND 0
    21. 

  21. #define MSC_PRIORITY_SEND 1
    22. 

  22. 

  23. #define TMDS_ENABLE 1
    24. 

  24. #define TMDS_DISABLE 0
    25. 

  25. 

  26. /******************************************************************/
    27. 

  27. /* the below APIs are implemented by the MSC functionality */
    28. 

  28. int mhl_msc_clear(struct mhl_tx_ctrl *mhl_ctrl);
    29. 

  29. 

  30. int mhl_msc_command_done(struct mhl_tx_ctrl *mhl_ctrl,
    31. 

  31. 			 struct msc_command_struct *req);
    32. 

  32. 

  33. int mhl_msc_send_set_int(struct mhl_tx_ctrl *mhl_ctrl,
    34. 

  34. 			 u8 offset, u8 mask, u8 priority);
    35. 

  35. 

  36. int mhl_msc_send_write_stat(struct mhl_tx_ctrl *mhl_ctrl,
    37. 

  37. 			    u8 offset, u8 value);
    38. 

  38. int mhl_msc_send_msc_msg(struct mhl_tx_ctrl *mhl_ctrl,
    39. 

  39. 			 u8 sub_cmd, u8 cmd_data);
    40. 

  40. 

  41. int mhl_msc_recv_set_int(struct mhl_tx_ctrl *mhl_ctrl,
    42. 

  42. 			 u8 offset, u8 set_int);
    43. 

  43. 

  44. int mhl_msc_recv_write_stat(struct mhl_tx_ctrl *mhl_ctrl,
    45. 

  45. 			    u8 offset, u8 value);
    46. 

  46. int mhl_msc_recv_msc_msg(struct mhl_tx_ctrl *mhl_ctrl,
    47. 

  47. 			 u8 sub_cmd, u8 cmd_data);
    48. 

  48. void mhl_msc_send_work(struct work_struct *work);
    49. 

  49. 

  50. /******************************************************************/
    51. 

  51. /* Tx should implement these APIs */
    52. 

  52. int mhl_send_msc_command(struct mhl_tx_ctrl *mhl_ctrl,
    53. 

  53. 			 struct msc_command_struct *req);
    54. 

  54. void mhl_read_scratchpad(struct mhl_tx_ctrl *mhl_ctrl);
    55. 

  55. void mhl_drive_hpd(struct mhl_tx_ctrl *mhl_ctrl, uint8_t to_state);
    56. 

  56. void mhl_tmds_ctrl(struct mhl_tx_ctrl *ctrl, uint8_t on);
    57. 

  57. /******************************************************************/
    58. 

  58. /* MHL driver registers ctrl with MSC */
    59. 

  59. void mhl_register_msc(struct mhl_tx_ctrl *ctrl);
    60. 

  60. 

  61. #endif /* __MHL_MSC_H__ */
    62. 

  62.