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kernel add
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#ifndef _I8042_H
#define _I8042_H
/*
* Copyright (c) 1999-2002 Vojtech Pavlik
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*/
/*
* Arch-dependent inline functions and defines.
*/
#if defined(CONFIG_MACH_JAZZ)
#include "i8042-jazzio.h"
#elif defined(CONFIG_SGI_HAS_I8042)
#include "i8042-ip22io.h"
#elif defined(CONFIG_SNI_RM)
#include "i8042-snirm.h"
#elif defined(CONFIG_PPC)
#include "i8042-ppcio.h"
#elif defined(CONFIG_SPARC)
#include "i8042-sparcio.h"
#elif defined(CONFIG_X86) || defined(CONFIG_IA64)
#include "i8042-x86ia64io.h"
#elif defined(CONFIG_UNICORE32)
#include "i8042-unicore32io.h"
#else
#include "i8042-io.h"
#endif
/*
* This is in 50us units, the time we wait for the i8042 to react. This
* has to be long enough for the i8042 itself to timeout on sending a byte
* to a non-existent mouse.
*/
#define I8042_CTL_TIMEOUT 10000
/*
* Return codes.
*/
#define I8042_RET_CTL_TEST 0x55
/*
* Expected maximum internal i8042 buffer size. This is used for flushing
* the i8042 buffers.
*/
#define I8042_BUFFER_SIZE 16
/*
* Number of AUX ports on controllers supporting active multiplexing
* specification
*/
#define I8042_NUM_MUX_PORTS 4
/*
* Debug.
*/
#ifdef DEBUG
static unsigned long i8042_start_time;
#define dbg_init() do { i8042_start_time = jiffies; } while (0)
#define dbg(format, arg...) \
do { \
if (i8042_debug) \
printk(KERN_DEBUG KBUILD_MODNAME ": [%d] " format, \
(int) (jiffies - i8042_start_time), ##arg); \
} while (0)
#define filter_dbg(filter, data, format, args...) \
do { \
if (!i8042_debug) \
break; \
\
if (!filter || i8042_unmask_kbd_data) \
dbg("%02x " format, data, ##args); \
else \
dbg("** " format, ##args); \
} while (0)
#else
#define dbg_init() do { } while (0)
#define dbg(format, arg...) \
do { \
if (0) \
printk(KERN_DEBUG pr_fmt(format), ##arg); \
} while (0)
#define filter_dbg(filter, data, format, args...) do { } while (0)
#endif
#endif /* _I8042_H */
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