- 根目录:
- drivers
- input
- serio
- i8042-x86ia64io.h
#ifndef _I8042_X86IA64IO_H
#define _I8042_X86IA64IO_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.
*/
#ifdef CONFIG_X86
#include <asm/x86_init.h>
#endif
/*
* Names.
*/
#define I8042_KBD_PHYS_DESC "isa0060/serio0"
#define I8042_AUX_PHYS_DESC "isa0060/serio1"
#define I8042_MUX_PHYS_DESC "isa0060/serio%d"
/*
* IRQs.
*/
#if defined(__ia64__)
# define I8042_MAP_IRQ(x) isa_irq_to_vector((x))
#else
# define I8042_MAP_IRQ(x) (x)
#endif
#define I8042_KBD_IRQ i8042_kbd_irq
#define I8042_AUX_IRQ i8042_aux_irq
static int i8042_kbd_irq;
static int i8042_aux_irq;
/*
* Register numbers.
*/
#define I8042_COMMAND_REG i8042_command_reg
#define I8042_STATUS_REG i8042_command_reg
#define I8042_DATA_REG i8042_data_reg
static int i8042_command_reg = 0x64;
static int 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);
}
static inline void i8042_write_command(int val)
{
outb(val, I8042_COMMAND_REG);
}
#ifdef CONFIG_X86
#include <linux/dmi.h>
static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = {
{
/*
* Arima-Rioworks HDAMB -
* AUX LOOP command does not raise AUX IRQ
*/
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "RIOWORKS"),
DMI_MATCH(DMI_BOARD_NAME, "HDAMB"),
DMI_MATCH(DMI_BOARD_VERSION, "Rev E"),
},
},
{
/* ASUS G1S */
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc."),
DMI_MATCH(DMI_BOARD_NAME, "G1S"),
DMI_MATCH(DMI_BOARD_VERSION, "1.0"),
},
},
{
/* ASUS P65UP5 - AUX LOOP command does not raise AUX IRQ */
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
DMI_MATCH(DMI_BOARD_NAME, "P/I-P65UP5"),
DMI_MATCH(DMI_BOARD_VERSION, "REV 2.X"),
},
},
{
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
},
},
{
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
},
},
{
/* OQO Model 01 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
},
},
{
/* ULI EV4873 - AUX LOOP does not work properly */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
},
},
{
/* Microsoft Virtual Machine */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
},
},
{
/* Medion MAM 2070 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
},
},
{
/* Blue FB5601 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "blue"),
DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
},
},
{
/* Gigabyte M912 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
},
},
{
/* Gigabyte M1022M netbook */
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co.,Ltd."),
DMI_MATCH(DMI_BOARD_NAME, "M1022E"),
DMI_MATCH(DMI_BOARD_VERSION, "1.02"),
},
},
{
/* Gigabyte Spring Peak - defines wrong chassis type */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
DMI_MATCH(DMI_PRODUCT_NAME, "Spring Peak"),
},
},
{
/* Gigabyte T1005 - defines wrong chassis type ("Other") */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
DMI_MATCH(DMI_PRODUCT_NAME, "T1005"),
},
},
{
/* Gigabyte T1005M/P - defines wrong chassis type ("Other") */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
DMI_MATCH(DMI_PRODUCT_NAME, "T1005M/P"),
},
},
{
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"),
DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
},
},
{ }
};
/*
* Some Fujitsu notebooks are having trouble with touchpads if
* active multiplexing mode is activated. Luckily they don't have
* external PS/2 ports so we can safely disable it.
* ... apparently some Toshibas don't like MUX mode either and
* die horrible death on reboot.
*/
static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
{
/* Fujitsu Lifebook P7010/P7010D */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
},
},
{
/* Fujitsu Lifebook P7010 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
},
},
{
/* Fujitsu Lifebook P5020D */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
},
},
{
/* Fujitsu Lifebook S2000 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
},
},
{
/* Fujitsu Lifebook S6230 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
},
},
{
/* Fujitsu T70H */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
},
},
{
/* Fujitsu-Siemens Lifebook T3010 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
},
},
{
/* Fujitsu-Siemens Lifebook E4010 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
},
},
{
/* Fujitsu-Siemens Amilo Pro 2010 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
},
},
{
/* Fujitsu-Siemens Amilo Pro 2030 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
},
},
{
/*
* No data is coming from the touchscreen unless KBC
* is in legacy mode.
*/
/* Panasonic CF-29 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
},
},
{
/*
* HP Pavilion DV4017EA -
* errors on MUX ports are reported without raising AUXDATA
* causing "spurious NAK" messages.
*/
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
},
},
{
/*
* HP Pavilion ZT1000 -
* like DV4017EA does not raise AUXERR for errors on MUX ports.
*/
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
},
},
{
/*
* HP Pavilion DV4270ca -
* like DV4017EA does not raise AUXERR for errors on MUX ports.
*/
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
},
},
{
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
},
},
{
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
},
},
{
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
},
},
{
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
},
},
{
/* Sharp Actius MM20 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
},
},
{
/* Sony Vaio FS-115b */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
},
},
{
/*
* Sony Vaio FZ-240E -
* reset and GET ID commands issued via KBD port are
* sometimes being delivered to AUX3.
*/
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
},
},
{
/*
* Most (all?) VAIOs do not have external PS/2 ports nor
* they implement active multiplexing properly, and
* MUX discovery usually messes up keyboard/touchpad.
*/
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
},
},
{
/* Amoi M636/A737 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
},
},
{
/* Lenovo 3000 n100 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
},
},
{
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
},
},
{
/* Gericom Bellagio */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
},
},
{
/* IBM 2656 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
},
},
{
/* Dell XPS M1530 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
},
},
{
/* Compal HEL80I */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
},
},
{
/* Dell Vostro 1510 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
},
},
{
/* Acer Aspire 5536 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
},
},
{
/* Dell Vostro V13 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
},
},
{ }
};
static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
{
/* MSI Wind U-100 */
.matches = {
DMI_MATCH(DMI_BOARD_NAME, "U-100"),
DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
},
},
{
/* LG Electronics X110 */
.matches = {
DMI_MATCH(DMI_BOARD_NAME, "X110"),
DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
},
},
{
/* Acer Aspire One 150 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
},
},
{
/* Advent 4211 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
},
},
{
/* Medion Akoya Mini E1210 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
},
},
{
/* Medion Akoya E1222 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
},
},
{
/* Mivvy M310 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
},
},
{
/* Dell Vostro 1320 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
},
},
{
/* Dell Vostro 1520 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
},
},
{
/* Dell Vostro 1720 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
},
},
{ }
};
#ifdef CONFIG_PNP
static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
{
/* Intel MBO Desktop D845PESV */
.matches = {
DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
},
},
{
/* MSI Wind U-100 */
.matches = {
DMI_MATCH(DMI_BOARD_NAME, "U-100"),
DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
},
},
{ }
};
static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
{
.matches = {
DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
},
},
{
.matches = {
DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
},
},
{
.matches = {
DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
},
},
{
.matches = {
DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
},
},
{ }
};
#endif
static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
{
/* Dell Vostro V13 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
},
},
{ }
};
/*
* Some Wistron based laptops need us to explicitly enable the 'Dritek
* keyboard extension' to make their extra keys start generating scancodes.
* Originally, this was just confined to older laptops, but a few Acer laptops
* have turned up in 2007 that also need this again.
*/
static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
{
/* Acer Aspire 5100 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
},
},
{
/* Acer Aspire 5610 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
},
},
{
/* Acer Aspire 5630 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
},
},
{
/* Acer Aspire 5650 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
},
},
{
/* Acer Aspire 5680 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
},
},
{
/* Acer Aspire 5720 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
},
},
{
/* Acer Aspire 9110 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
},
},
{
/* Acer TravelMate 660 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
},
},
{
/* Acer TravelMate 2490 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
},
},
{
/* Acer TravelMate 4280 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
},
},
{ }
};
#endif /* CONFIG_X86 */
#ifdef CONFIG_PNP
#include <linux/pnp.h>
static bool i8042_pnp_kbd_registered;
static unsigned int i8042_pnp_kbd_devices;
static bool i8042_pnp_aux_registered;
static unsigned int i8042_pnp_aux_devices;
static int i8042_pnp_command_reg;
static int i8042_pnp_data_reg;
static int i8042_pnp_kbd_irq;
static int i8042_pnp_aux_irq;
static char i8042_pnp_kbd_name[32];
static char i8042_pnp_aux_name[32];
static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
{
if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
i8042_pnp_data_reg = pnp_port_start(dev,0);
if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
i8042_pnp_command_reg = pnp_port_start(dev, 1);
if (pnp_irq_valid(dev,0))
i8042_pnp_kbd_irq = pnp_irq(dev, 0);
strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
if (strlen(pnp_dev_name(dev))) {
strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
}
/* Keyboard ports are always supposed to be wakeup-enabled */
device_set_wakeup_enable(&dev->dev, true);
i8042_pnp_kbd_devices++;
return 0;
}
static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
{
if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
i8042_pnp_data_reg = pnp_port_start(dev,0);
if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
i8042_pnp_command_reg = pnp_port_start(dev, 1);
if (pnp_irq_valid(dev, 0))
i8042_pnp_aux_irq = pnp_irq(dev, 0);
strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
if (strlen(pnp_dev_name(dev))) {
strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
}
i8042_pnp_aux_devices++;
return 0;
}
static struct pnp_device_id pnp_kbd_devids[] = {
{ .id = "PNP0300", .driver_data = 0 },
{ .id = "PNP0301", .driver_data = 0 },
{ .id = "PNP0302", .driver_data = 0 },
{ .id = "PNP0303", .driver_data = 0 },
{ .id = "PNP0304", .driver_data = 0 },
{ .id = "PNP0305", .driver_data = 0 },
{ .id = "PNP0306", .driver_data = 0 },
{ .id = "PNP0309", .driver_data = 0 },
{ .id = "PNP030a", .driver_data = 0 },
{ .id = "PNP030b", .driver_data = 0 },
{ .id = "PNP0320", .driver_data = 0 },
{ .id = "PNP0343", .driver_data = 0 },
{ .id = "PNP0344", .driver_data = 0 },
{ .id = "PNP0345", .driver_data = 0 },
{ .id = "CPQA0D7", .driver_data = 0 },
{ .id = "", },
};
static struct pnp_driver i8042_pnp_kbd_driver = {
.name = "i8042 kbd",
.id_table = pnp_kbd_devids,
.probe = i8042_pnp_kbd_probe,
};
static struct pnp_device_id pnp_aux_devids[] = {
{ .id = "AUI0200", .driver_data = 0 },
{ .id = "FJC6000", .driver_data = 0 },
{ .id = "FJC6001", .driver_data = 0 },
{ .id = "PNP0f03", .driver_data = 0 },
{ .id = "PNP0f0b", .driver_data = 0 },
{ .id = "PNP0f0e", .driver_data = 0 },
{ .id = "PNP0f12", .driver_data = 0 },
{ .id = "PNP0f13", .driver_data = 0 },
{ .id = "PNP0f19", .driver_data = 0 },
{ .id = "PNP0f1c", .driver_data = 0 },
{ .id = "SYN0801", .driver_data = 0 },
{ .id = "", },
};
static struct pnp_driver i8042_pnp_aux_driver = {
.name = "i8042 aux",
.id_table = pnp_aux_devids,
.probe = i8042_pnp_aux_probe,
};
static void i8042_pnp_exit(void)
{
if (i8042_pnp_kbd_registered) {
i8042_pnp_kbd_registered = false;
pnp_unregister_driver(&i8042_pnp_kbd_driver);
}
if (i8042_pnp_aux_registered) {
i8042_pnp_aux_registered = false;
pnp_unregister_driver(&i8042_pnp_aux_driver);
}
}
static int __init i8042_pnp_init(void)
{
char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
bool pnp_data_busted = false;
int err;
#ifdef CONFIG_X86
if (dmi_check_system(i8042_dmi_nopnp_table))
i8042_nopnp = true;
#endif
if (i8042_nopnp) {
pr_info("PNP detection disabled\n");
return 0;
}
err = pnp_register_driver(&i8042_pnp_kbd_driver);
if (!err)
i8042_pnp_kbd_registered = true;
err = pnp_register_driver(&i8042_pnp_aux_driver);
if (!err)
i8042_pnp_aux_registered = true;
if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
i8042_pnp_exit();
#if defined(__ia64__)
return -ENODEV;
#else
pr_info("PNP: No PS/2 controller found. Probing ports directly.\n");
return 0;
#endif
}
if (i8042_pnp_kbd_devices)
snprintf(kbd_irq_str, sizeof(kbd_irq_str),
"%d", i8042_pnp_kbd_irq);
if (i8042_pnp_aux_devices)
snprintf(aux_irq_str, sizeof(aux_irq_str),
"%d", i8042_pnp_aux_irq);
pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
i8042_pnp_aux_name,
i8042_pnp_data_reg, i8042_pnp_command_reg,
kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
aux_irq_str);
#if defined(__ia64__)
if (!i8042_pnp_kbd_devices)
i8042_nokbd = true;
if (!i8042_pnp_aux_devices)
i8042_noaux = true;
#endif
if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
i8042_pnp_data_reg != i8042_data_reg) ||
!i8042_pnp_data_reg) {
pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
i8042_pnp_data_reg, i8042_data_reg);
i8042_pnp_data_reg = i8042_data_reg;
pnp_data_busted = true;
}
if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
i8042_pnp_command_reg != i8042_command_reg) ||
!i8042_pnp_command_reg) {
pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
i8042_pnp_command_reg, i8042_command_reg);
i8042_pnp_command_reg = i8042_command_reg;
pnp_data_busted = true;
}
if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
i8042_kbd_irq);
i8042_pnp_kbd_irq = i8042_kbd_irq;
pnp_data_busted = true;
}
if (!i8042_noaux && !i8042_pnp_aux_irq) {
if (!pnp_data_busted && i8042_pnp_kbd_irq) {
pr_warn("PNP: PS/2 appears to have AUX port disabled, "
"if this is incorrect please boot with i8042.nopnp\n");
i8042_noaux = true;
} else {
pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
i8042_aux_irq);
i8042_pnp_aux_irq = i8042_aux_irq;
}
}
i8042_data_reg = i8042_pnp_data_reg;
i8042_command_reg = i8042_pnp_command_reg;
i8042_kbd_irq = i8042_pnp_kbd_irq;
i8042_aux_irq = i8042_pnp_aux_irq;
#ifdef CONFIG_X86
i8042_bypass_aux_irq_test = !pnp_data_busted &&
dmi_check_system(i8042_dmi_laptop_table);
#endif
return 0;
}
#else
static inline int i8042_pnp_init(void) { return 0; }
static inline void i8042_pnp_exit(void) { }
#endif
static int __init i8042_platform_init(void)
{
int retval;
#ifdef CONFIG_X86
u8 a20_on = 0xdf;
/* Just return if pre-detection shows no i8042 controller exist */
if (!x86_platform.i8042_detect())
return -ENODEV;
#endif
/*
* 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 (!request_region(I8042_DATA_REG, 16, "i8042"))
* return -EBUSY;
*/
i8042_kbd_irq = I8042_MAP_IRQ(1);
i8042_aux_irq = I8042_MAP_IRQ(12);
retval = i8042_pnp_init();
if (retval)
return retval;
#if defined(__ia64__)
i8042_reset = true;
#endif
#ifdef CONFIG_X86
if (dmi_check_system(i8042_dmi_reset_table))
i8042_reset = true;
if (dmi_check_system(i8042_dmi_noloop_table))
i8042_noloop = true;
if (dmi_check_system(i8042_dmi_nomux_table))
i8042_nomux = true;
if (dmi_check_system(i8042_dmi_notimeout_table))
i8042_notimeout = true;
if (dmi_check_system(i8042_dmi_dritek_table))
i8042_dritek = true;
/*
* A20 was already enabled during early kernel init. But some buggy
* BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
* resume from S3. So we do it here and hope that nothing breaks.
*/
i8042_command(&a20_on, 0x10d1);
i8042_command(NULL, 0x00ff); /* Null command for SMM firmware */
#endif /* CONFIG_X86 */
return retval;
}
static inline void i8042_platform_exit(void)
{
i8042_pnp_exit();
}
#endif /* _I8042_X86IA64IO_H */