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Márton Németh553a05b2007-10-22 00:56:52 -04001#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
Dmitry Torokhov181d6832009-09-16 01:06:43 -070010#include <linux/types.h>
Márton Németh553a05b2007-10-22 00:56:52 -040011
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
Dmitry Torokhov181d6832009-09-16 01:06:43 -070034struct serio;
35
36#if defined(CONFIG_SERIO_I8042) || defined(CONFIG_SERIO_I8042_MODULE)
37
38void i8042_lock_chip(void);
39void i8042_unlock_chip(void);
Márton Németh553a05b2007-10-22 00:56:52 -040040int i8042_command(unsigned char *param, int command);
Dmitry Torokhov181d6832009-09-16 01:06:43 -070041bool i8042_check_port_owner(const struct serio *);
Matthew Garrett967c9ef2009-12-11 22:00:57 -080042int i8042_install_filter(bool (*filter)(unsigned char data, unsigned char str,
43 struct serio *serio));
44int i8042_remove_filter(bool (*filter)(unsigned char data, unsigned char str,
45 struct serio *serio));
Dmitry Torokhov181d6832009-09-16 01:06:43 -070046
47#else
48
49void i8042_lock_chip(void)
50{
51}
52
53void i8042_unlock_chip(void)
54{
55}
56
57int i8042_command(unsigned char *param, int command)
58{
Matthew Garrett967c9ef2009-12-11 22:00:57 -080059 return -ENODEV;
Dmitry Torokhov181d6832009-09-16 01:06:43 -070060}
61
62bool i8042_check_port_owner(const struct serio *serio)
63{
64 return false;
65}
66
Matthew Garrett967c9ef2009-12-11 22:00:57 -080067int i8042_install_filter(bool (*filter)(unsigned char data, unsigned char str,
68 struct serio *serio))
69{
70 return -ENODEV;
71}
72
73int i8042_remove_filter(bool (*filter)(unsigned char data, unsigned char str,
74 struct serio *serio))
75{
76 return -ENODEV;
77}
78
Dmitry Torokhov181d6832009-09-16 01:06:43 -070079#endif
Márton Németh553a05b2007-10-22 00:56:52 -040080
81#endif