Contributors: 9
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Vojtech Pavlik |
136 |
42.63% |
2 |
15.38% |
| Matthew Garrett |
99 |
31.03% |
1 |
7.69% |
| Dmitry Torokhov |
55 |
17.24% |
4 |
30.77% |
| Feng Tang |
10 |
3.13% |
1 |
7.69% |
| Márton Németh |
10 |
3.13% |
1 |
7.69% |
| Michał Mirosław |
3 |
0.94% |
1 |
7.69% |
| Carlos Corbacho |
3 |
0.94% |
1 |
7.69% |
| Peter Osterlund |
2 |
0.63% |
1 |
7.69% |
| Thomas Gleixner |
1 |
0.31% |
1 |
7.69% |
| Total |
319 |
|
13 |
|
/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef _LINUX_I8042_H
#define _LINUX_I8042_H
#include <linux/errno.h>
#include <linux/types.h>
/*
* Standard commands.
*/
#define I8042_CMD_CTL_RCTR 0x0120
#define I8042_CMD_CTL_WCTR 0x1060
#define I8042_CMD_CTL_TEST 0x01aa
#define I8042_CMD_KBD_DISABLE 0x00ad
#define I8042_CMD_KBD_ENABLE 0x00ae
#define I8042_CMD_KBD_TEST 0x01ab
#define I8042_CMD_KBD_LOOP 0x11d2
#define I8042_CMD_AUX_DISABLE 0x00a7
#define I8042_CMD_AUX_ENABLE 0x00a8
#define I8042_CMD_AUX_TEST 0x01a9
#define I8042_CMD_AUX_SEND 0x10d4
#define I8042_CMD_AUX_LOOP 0x11d3
#define I8042_CMD_MUX_PFX 0x0090
#define I8042_CMD_MUX_SEND 0x1090
/*
* Status register bits.
*/
#define I8042_STR_PARITY 0x80
#define I8042_STR_TIMEOUT 0x40
#define I8042_STR_AUXDATA 0x20
#define I8042_STR_KEYLOCK 0x10
#define I8042_STR_CMDDAT 0x08
#define I8042_STR_MUXERR 0x04
#define I8042_STR_IBF 0x02
#define I8042_STR_OBF 0x01
/*
* Control register bits.
*/
#define I8042_CTR_KBDINT 0x01
#define I8042_CTR_AUXINT 0x02
#define I8042_CTR_IGNKEYLOCK 0x08
#define I8042_CTR_KBDDIS 0x10
#define I8042_CTR_AUXDIS 0x20
#define I8042_CTR_XLATE 0x40
struct serio;
#if defined(CONFIG_SERIO_I8042) || defined(CONFIG_SERIO_I8042_MODULE)
void i8042_lock_chip(void);
void i8042_unlock_chip(void);
int i8042_command(unsigned char *param, int command);
int i8042_install_filter(bool (*filter)(unsigned char data, unsigned char str,
struct serio *serio));
int i8042_remove_filter(bool (*filter)(unsigned char data, unsigned char str,
struct serio *serio));
#else
static inline void i8042_lock_chip(void)
{
}
static inline void i8042_unlock_chip(void)
{
}
static inline int i8042_command(unsigned char *param, int command)
{
return -ENODEV;
}
static inline int i8042_install_filter(bool (*filter)(unsigned char data, unsigned char str,
struct serio *serio))
{
return -ENODEV;
}
static inline int i8042_remove_filter(bool (*filter)(unsigned char data, unsigned char str,
struct serio *serio))
{
return -ENODEV;
}
#endif
#endif