LXR linux/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
  31static inline int i8042_read_data(void)
  32{
  33        return jazz_kh->data;
  34}
  35
  36static inline int i8042_read_status(void)
  37{
  38        return jazz_kh->command;
  39}
  40
  41static inline void i8042_write_data(int val)
  42{
  43        jazz_kh->data = val;
  44}
  45
  46static inline void i8042_write_command(int val)
  47{
  48        jazz_kh->command = val;
  49}
  50
  51static 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
  62static 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 */
  70