i8042-jazzio.h 1.1 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-only */
  2. #ifndef _I8042_JAZZ_H
  3. #define _I8042_JAZZ_H
  4. #include <asm/jazz.h>
  5. /*
  6. * Names.
  7. */
  8. #define I8042_KBD_PHYS_DESC "R4030/serio0"
  9. #define I8042_AUX_PHYS_DESC "R4030/serio1"
  10. #define I8042_MUX_PHYS_DESC "R4030/serio%d"
  11. /*
  12. * IRQs.
  13. */
  14. #define I8042_KBD_IRQ JAZZ_KEYBOARD_IRQ
  15. #define I8042_AUX_IRQ JAZZ_MOUSE_IRQ
  16. #define I8042_COMMAND_REG ((unsigned long)&jazz_kh->command)
  17. #define I8042_STATUS_REG ((unsigned long)&jazz_kh->command)
  18. #define I8042_DATA_REG ((unsigned long)&jazz_kh->data)
  19. static inline int i8042_read_data(void)
  20. {
  21. return jazz_kh->data;
  22. }
  23. static inline int i8042_read_status(void)
  24. {
  25. return jazz_kh->command;
  26. }
  27. static inline void i8042_write_data(int val)
  28. {
  29. jazz_kh->data = val;
  30. }
  31. static inline void i8042_write_command(int val)
  32. {
  33. jazz_kh->command = val;
  34. }
  35. static inline int i8042_platform_init(void)
  36. {
  37. #if 0
  38. /* XXX JAZZ_KEYBOARD_ADDRESS is a virtual address */
  39. if (!request_mem_region(JAZZ_KEYBOARD_ADDRESS, 2, "i8042"))
  40. return -EBUSY;
  41. #endif
  42. return 0;
  43. }
  44. static inline void i8042_platform_exit(void)
  45. {
  46. #if 0
  47. release_mem_region(JAZZ_KEYBOARD_ADDRESS, 2);
  48. #endif
  49. }
  50. #endif /* _I8042_JAZZ_H */