1/* SPDX-License-Identifier: GPL-2.0-only */
 2#ifndef _I8042_H
 3#define _I8042_H
 4
 5
 6/*
 7 *  Copyright (c) 1999-2002 Vojtech Pavlik
 
 
 
 
 8 */
 9
10/*
11 * Arch-dependent inline functions and defines.
12 */
13
14#if defined(CONFIG_MACH_JAZZ)
15#include "i8042-jazzio.h"
16#elif defined(CONFIG_SGI_HAS_I8042)
17#include "i8042-ip22io.h"
18#elif defined(CONFIG_SNI_RM)
19#include "i8042-snirm.h"
 
 
20#elif defined(CONFIG_SPARC)
21#include "i8042-sparcio.h"
22#elif defined(CONFIG_X86) || defined(CONFIG_LOONGARCH)
23#include "i8042-acpipnpio.h"
 
 
24#else
25#include "i8042-io.h"
26#endif
27
28/*
29 * This is in 50us units, the time we wait for the i8042 to react. This
30 * has to be long enough for the i8042 itself to timeout on sending a byte
31 * to a non-existent mouse.
32 */
33
34#define I8042_CTL_TIMEOUT	10000
35
36/*
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
37 * Return codes.
38 */
39
40#define I8042_RET_CTL_TEST	0x55
41
42/*
43 * Expected maximum internal i8042 buffer size. This is used for flushing
44 * the i8042 buffers.
45 */
46
47#define I8042_BUFFER_SIZE	16
48
49/*
50 * Number of AUX ports on controllers supporting active multiplexing
51 * specification
52 */
53
54#define I8042_NUM_MUX_PORTS	4
55
56/*
57 * Debug.
58 */
59
60#ifdef DEBUG
61static unsigned long i8042_start_time;
62#define dbg_init() do { i8042_start_time = jiffies; } while (0)
63#define dbg(format, arg...)							\
64	do {									\
65		if (i8042_debug)						\
66			printk(KERN_DEBUG KBUILD_MODNAME ": [%d] " format,	\
67			       (int) (jiffies - i8042_start_time), ##arg);	\
68	} while (0)
69
70#define filter_dbg(filter, data, format, args...)		\
71	do {							\
72		if (!i8042_debug)				\
73			break;					\
74								\
75		if (!filter || i8042_unmask_kbd_data)		\
76			dbg("%02x " format, data, ##args);	\
77		else						\
78			dbg("** " format, ##args);		\
79	} while (0)
80#else
81#define dbg_init() do { } while (0)
82#define dbg(format, arg...)							\
83	do {									\
84		if (0)								\
85			printk(KERN_DEBUG pr_fmt(format), ##arg);		\
86	} while (0)
87
88#define filter_dbg(filter, data, format, args...) do { } while (0)
89#endif
90
91#endif /* _I8042_H */

 
  1#ifndef _I8042_H
  2#define _I8042_H
  3
  4
  5/*
  6 *  Copyright (c) 1999-2002 Vojtech Pavlik
  7 *
  8 * This program is free software; you can redistribute it and/or modify it
  9 * under the terms of the GNU General Public License version 2 as published by
 10 * the Free Software Foundation.
 11 */
 12
 13/*
 14 * Arch-dependent inline functions and defines.
 15 */
 16
 17#if defined(CONFIG_MACH_JAZZ)
 18#include "i8042-jazzio.h"
 19#elif defined(CONFIG_SGI_HAS_I8042)
 20#include "i8042-ip22io.h"
 21#elif defined(CONFIG_SNI_RM)
 22#include "i8042-snirm.h"
 23#elif defined(CONFIG_PPC)
 24#include "i8042-ppcio.h"
 25#elif defined(CONFIG_SPARC)
 26#include "i8042-sparcio.h"
 27#elif defined(CONFIG_X86) || defined(CONFIG_IA64)
 28#include "i8042-x86ia64io.h"
 29#elif defined(CONFIG_UNICORE32)
 30#include "i8042-unicore32io.h"
 31#else
 32#include "i8042-io.h"
 33#endif
 34
 35/*
 36 * This is in 50us units, the time we wait for the i8042 to react. This
 37 * has to be long enough for the i8042 itself to timeout on sending a byte
 38 * to a non-existent mouse.
 39 */
 40
 41#define I8042_CTL_TIMEOUT	10000
 42
 43/*
 44 * Status register bits.
 45 */
 46
 47#define I8042_STR_PARITY	0x80
 48#define I8042_STR_TIMEOUT	0x40
 49#define I8042_STR_AUXDATA	0x20
 50#define I8042_STR_KEYLOCK	0x10
 51#define I8042_STR_CMDDAT	0x08
 52#define I8042_STR_MUXERR	0x04
 53#define I8042_STR_IBF		0x02
 54#define	I8042_STR_OBF		0x01
 55
 56/*
 57 * Control register bits.
 58 */
 59
 60#define I8042_CTR_KBDINT	0x01
 61#define I8042_CTR_AUXINT	0x02
 62#define I8042_CTR_IGNKEYLOCK	0x08
 63#define I8042_CTR_KBDDIS	0x10
 64#define I8042_CTR_AUXDIS	0x20
 65#define I8042_CTR_XLATE		0x40
 66
 67/*
 68 * Return codes.
 69 */
 70
 71#define I8042_RET_CTL_TEST	0x55
 72
 73/*
 74 * Expected maximum internal i8042 buffer size. This is used for flushing
 75 * the i8042 buffers.
 76 */
 77
 78#define I8042_BUFFER_SIZE	16
 79
 80/*
 81 * Number of AUX ports on controllers supporting active multiplexing
 82 * specification
 83 */
 84
 85#define I8042_NUM_MUX_PORTS	4
 86
 87/*
 88 * Debug.
 89 */
 90
 91#ifdef DEBUG
 92static unsigned long i8042_start_time;
 93#define dbg_init() do { i8042_start_time = jiffies; } while (0)
 94#define dbg(format, arg...)							\
 95	do {									\
 96		if (i8042_debug)						\
 97			printk(KERN_DEBUG KBUILD_MODNAME ": [%d] " format,	\
 98			       (int) (jiffies - i8042_start_time), ##arg);	\
 99	} while (0)
 
 
 
 
 
 
 
 
 
 
 
100#else
101#define dbg_init() do { } while (0)
102#define dbg(format, arg...)							\
103	do {									\
104		if (0)								\
105			printk(KERN_DEBUG pr_fmt(format), ##arg);		\
106	} while (0)
 
 
107#endif
108
109#endif /* _I8042_H */