LXR linux/include/linux/i8042.h

   1#ifndef _LINUX_I8042_H
   2#define _LINUX_I8042_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#include <linux/types.h>
  11
  12/*
  13 * Standard commands.
  14 */
  15
  16#define I8042_CMD_CTL_RCTR      0x0120
  17#define I8042_CMD_CTL_WCTR      0x1060
  18#define I8042_CMD_CTL_TEST      0x01aa
  19
  20#define I8042_CMD_KBD_DISABLE   0x00ad
  21#define I8042_CMD_KBD_ENABLE    0x00ae
  22#define I8042_CMD_KBD_TEST      0x01ab
  23#define I8042_CMD_KBD_LOOP      0x11d2
  24
  25#define I8042_CMD_AUX_DISABLE   0x00a7
  26#define I8042_CMD_AUX_ENABLE    0x00a8
  27#define I8042_CMD_AUX_TEST      0x01a9
  28#define I8042_CMD_AUX_SEND      0x10d4
  29#define I8042_CMD_AUX_LOOP      0x11d3
  30
  31#define I8042_CMD_MUX_PFX       0x0090
  32#define I8042_CMD_MUX_SEND      0x1090
  33
  34struct serio;
  35
  36#if defined(CONFIG_SERIO_I8042) || defined(CONFIG_SERIO_I8042_MODULE)
  37
  38void i8042_lock_chip(void);
  39void i8042_unlock_chip(void);
  40int i8042_command(unsigned char *param, int command);
  41bool i8042_check_port_owner(const struct serio *);
  42
  43#else
  44
  45void i8042_lock_chip(void)
  46{
  47}
  48
  49void i8042_unlock_chip(void)
  50{
  51}
  52
  53int i8042_command(unsigned char *param, int command)
  54{
  55        return -ENOSYS;
  56}
  57
  58bool i8042_check_port_owner(const struct serio *serio)
  59{
  60        return false;
  61}
  62
  63#endif
  64
  65#endif
  66