File: [Development] / linux-2.6-xfs / drivers / input / serio / i8042-io.h (download)
Revision 1.5, Fri Oct 1 15:10:15 2004 UTC (13 years ago) by nathans.longdrop.melbourne.sgi.com
Branch: MAIN
Changes since 1.4: +31 -0
lines
Upgrade kernel to 2.6.9-rc3 and kdb to 4.4
Merge of 2.6.x-xfs-melb:linux:19628a by kenmcd.
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#ifndef _I8042_IO_H
#define _I8042_IO_H
/*
* 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.
*/
/*
* Names.
*/
#define I8042_KBD_PHYS_DESC "isa0060/serio0"
#define I8042_AUX_PHYS_DESC "isa0060/serio1"
#define I8042_MUX_PHYS_DESC "isa0060/serio%d"
/*
* IRQs.
*/
#ifdef __alpha__
# define I8042_KBD_IRQ 1
# define I8042_AUX_IRQ (RTC_PORT(0) == 0x170 ? 9 : 12) /* Jensen is special */
#elif defined(__ia64__)
# define I8042_KBD_IRQ isa_irq_to_vector(1)
# define I8042_AUX_IRQ isa_irq_to_vector(12)
#elif defined(__arm__)
/* defined in include/asm-arm/arch-xxx/irqs.h */
#include <asm/irq.h>
#elif defined(CONFIG_SUPERH64)
#include <asm/irq.h>
#else
# define I8042_KBD_IRQ 1
# define I8042_AUX_IRQ 12
#endif
/*
* Register numbers.
*/
#define I8042_COMMAND_REG 0x64
#define I8042_STATUS_REG 0x64
#define I8042_DATA_REG 0x60
static inline int i8042_read_data(void)
{
return inb(I8042_DATA_REG);
}
static inline int i8042_read_status(void)
{
return inb(I8042_STATUS_REG);
}
static inline void i8042_write_data(int val)
{
outb(val, I8042_DATA_REG);
return;
}
static inline void i8042_write_command(int val)
{
outb(val, I8042_COMMAND_REG);
return;
}
#if defined(__i386__)
#include <linux/dmi.h>
static struct dmi_system_id __initdata i8042_dmi_table[] = {
{
.ident = "Compaq Proliant 8500",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
},
},
{
.ident = "Compaq Proliant DL760",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
},
},
{ }
};
#endif
static inline int i8042_platform_init(void)
{
/*
* On ix86 platforms touching the i8042 data register region can do really
* bad things. Because of this the region is always reserved on ix86 boxes.
*/
#if !defined(__i386__) && !defined(__sh__) && !defined(__alpha__) && !defined(__x86_64__) && !defined(__mips__)
if (!request_region(I8042_DATA_REG, 16, "i8042"))
return -1;
#endif
#if !defined(__i386__) && !defined(__x86_64__)
i8042_reset = 1;
#endif
#if defined(__i386__)
if (dmi_check_system(i8042_dmi_table))
i8042_noloop = 1;
#endif
return 0;
}
static inline void i8042_platform_exit(void)
{
#if !defined(__i386__) && !defined(__sh__) && !defined(__alpha__) && !defined(__x86_64__)
release_region(I8042_DATA_REG, 16);
#endif
}
#endif /* _I8042_IO_H */