LXR linux/drivers/input/serio/i8042-ppcio.h

   1#ifndef _I8042_PPCIO_H
   2#define _I8042_PPCIO_H
   3
   4/*
   5 * This program is free software; you can redistribute it and/or modify it
   6 * under the terms of the GNU General Public License version 2 as published by
   7 * the Free Software Foundation.
   8 */
   9
  10#if defined(CONFIG_WALNUT)
  11
  12#define I8042_KBD_IRQ 25
  13#define I8042_AUX_IRQ 26
  14
  15#define I8042_KBD_PHYS_DESC "walnutps2/serio0"
  16#define I8042_AUX_PHYS_DESC "walnutps2/serio1"
  17#define I8042_MUX_PHYS_DESC "walnutps2/serio%d"
  18
  19extern void *kb_cs;
  20extern void *kb_data;
  21
  22#define I8042_COMMAND_REG (*(int *)kb_cs)
  23#define I8042_DATA_REG (*(int *)kb_data)
  24
  25static inline int i8042_read_data(void)
  26{
  27        return readb(kb_data);
  28}
  29
  30static inline int i8042_read_status(void)
  31{
  32        return readb(kb_cs);
  33}
  34
  35static inline void i8042_write_data(int val)
  36{
  37        writeb(val, kb_data);
  38}
  39
  40static inline void i8042_write_command(int val)
  41{
  42        writeb(val, kb_cs);
  43}
  44
  45static inline int i8042_platform_init(void)
  46{
  47        i8042_reset = I8042_RESET_ALWAYS;
  48        return 0;
  49}
  50
  51static inline void i8042_platform_exit(void)
  52{
  53}
  54
  55#else
  56
  57#include "i8042-io.h"
  58
  59#endif
  60
  61#endif /* _I8042_PPCIO_H */
  62