drivers/input/serio/i8042-jazzio.h

   1 #ifndef _I8042_JAZZ_H
   2 #define _I8042_JAZZ_H
   3
   4 #include <asm/jazz.h>
   5
   6 /*
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License version 2 as published by
   9  * the Free Software Foundation.
  10  */
  11
  12 /*
  13  * Names.
  14  */
  15
  16 #define I8042_KBD_PHYS_DESC "R4030/serio0"
  17 #define I8042_AUX_PHYS_DESC "R4030/serio1"
  18 #define I8042_MUX_PHYS_DESC "R4030/serio%d"
  19
  20 /*
  21  * IRQs.
  22  */
  23
  24 #define I8042_KBD_IRQ JAZZ_KEYBOARD_IRQ
  25 #define I8042_AUX_IRQ JAZZ_MOUSE_IRQ
  26
  27 #define I8042_COMMAND_REG       ((unsigned long)&jazz_kh->command)
  28 #define I8042_STATUS_REG        ((unsigned long)&jazz_kh->command)
  29 #define I8042_DATA_REG          ((unsigned long)&jazz_kh->data)
  30
  31 static inline int i8042_read_data(void)
  32 {
  33         return jazz_kh->data;
  34 }
  35
  36 static inline int i8042_read_status(void)
  37 {
  38         return jazz_kh->command;
  39 }
  40
  41 static inline void i8042_write_data(int val)
  42 {
  43         jazz_kh->data = val;
  44 }
  45
  46 static inline void i8042_write_command(int val)
  47 {
  48         jazz_kh->command = val;
  49 }
  50
  51 static inline int i8042_platform_init(void)
  52 {
  53 #if 0
  54         /* XXX JAZZ_KEYBOARD_ADDRESS is a virtual address */
  55         if (!request_mem_region(JAZZ_KEYBOARD_ADDRESS, 2, "i8042"))
  56                 return -EBUSY;
  57 #endif
  58
  59         return 0;
  60 }
  61
  62 static inline void i8042_platform_exit(void)
  63 {
  64 #if 0
  65         release_mem_region(JAZZ_KEYBOARD_ADDRESS, 2);
  66 #endif
  67 }
  68
  69 #endif /* _I8042_JAZZ_H */