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w83977af.h

w83977af.h 858 B
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  1. #ifndef W83977AF_H
    2. 

  2. #define W83977AF_H
    3. 

  3. 

  4. #define W977_EFIO_BASE 0x370
    5. 

  5. #define W977_EFIO2_BASE 0x3f0
    6. 

  6. #define W977_DEVICE_IR 0x06
    7. 

  7. 

  8. 

  9. /*
    10. 

  10.  * Enter extended function mode
    11. 

  11.  */
    12. 

  12. static inline void w977_efm_enter(unsigned int efio)
    13. 

  13. {
    14. 

  14.         outb(0x87, efio);
    15. 

  15.         outb(0x87, efio);
    16. 

  16. }
    17. 

  17. 

  18. /*
    19. 

  19.  * Select a device to configure 
    20. 

  20.  */
    21. 

  21. 

  22. static inline void w977_select_device(__u8 devnum, unsigned int efio)
    23. 

  23. {
    24. 

  24. 	outb(0x07, efio);
    25. 

  25. 	outb(devnum, efio+1);
    26. 

  26. } 
    27. 

  27. 

  28. /* 
    29. 

  29.  * Write a byte to a register
    30. 

  30.  */
    31. 

  31. static inline void w977_write_reg(__u8 reg, __u8 value, unsigned int efio)
    32. 

  32. {
    33. 

  33. 	outb(reg, efio);
    34. 

  34. 	outb(value, efio+1);
    35. 

  35. }
    36. 

  36. 

  37. /*
    38. 

  38.  * read a byte from a register
    39. 

  39.  */
    40. 

  40. static inline __u8 w977_read_reg(__u8 reg, unsigned int efio)
    41. 

  41. {
    42. 

  42. 	outb(reg, efio);
    43. 

  43. 	return inb(efio+1);
    44. 

  44. }
    45. 

  45. 

  46. /*
    47. 

  47.  * Exit extended function mode
    48. 

  48.  */
    49. 

  49. static inline void w977_efm_exit(unsigned int efio)
    50. 

  50. {
    51. 

  51. 	outb(0xAA, efio);
    52. 

  52. }
    53. 

  53. #endif
    54.