drivers/input/serio/i8042-x86ia64io.h - arm/linux-arm64-legacy - Git at Google

 #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.
  */

 /*
  * 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 struct dmi_system_id __initdata i8042_dmi_noloop_table[] = {
 	{
 		/* AUX LOOP command does not raise AUX IRQ */
 		.ident = "Arima-Rioworks HDAMB",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "RIOWORKS"),
 			DMI_MATCH(DMI_BOARD_NAME, "HDAMB"),
 			DMI_MATCH(DMI_BOARD_VERSION, "Rev E"),
 		},
 	},
 	{
 		/* AUX LOOP command does not raise AUX IRQ */
 		.ident = "ASUS P65UP5",
 		.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"),
 		},
 	},
 	{
 		.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"),
 		},
 	},
 	{
 		.ident = "OQO Model 01",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
 			DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
 		},
 	},
 	{
 		/* AUX LOOP does not work properly */
 		.ident = "ULI EV4873",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
 			DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
 		},
 	},
 	{
 		.ident = "Microsoft Virtual Machine",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
 			DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
 		},
 	},
 	{
 		.ident = "Medion MAM 2070",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
 			DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
 		},
 	},
 	{
 		.ident = "Blue FB5601",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "blue"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
 			DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
 		},
 	},
 	{
 		.ident = "Gigabyte M912",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
 			DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
 		},
 	},
 	{ }
 };

 /*
  * 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 struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
 	{
 		.ident = "Fujitsu Lifebook P7010/P7010D",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
 		},
 	},
 	{
 		.ident = "Fujitsu Lifebook P7010",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
 		},
 	},
 	{
 		.ident = "Fujitsu Lifebook P5020D",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
 		},
 	},
 	{
 		.ident = "Fujitsu Lifebook S2000",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
 		},
 	},
 	{
 		.ident = "Fujitsu Lifebook S6230",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
 		},
 	},
 	{
 		.ident = "Fujitsu T70H",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
 		},
 	},
 	{
 		.ident = "Fujitsu-Siemens Lifebook T3010",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
 		},
 	},
 	{
 		.ident = "Fujitsu-Siemens Lifebook E4010",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
 		},
 	},
 	{
 		.ident = "Fujitsu-Siemens Amilo Pro 2010",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
 		},
 	},
 	{
 		.ident = "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.
 		 */
 		.ident = "Panasonic CF-29",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
 		},
 	},
 	{
 		/*
 		 * Errors on MUX ports are reported without raising AUXDATA
 		 * causing "spurious NAK" messages.
 		 */
 		.ident = "HP Pavilion DV4017EA",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
 		},
 	},
 	{
 		/*
 		 * Like DV4017EA does not raise AUXERR for errors on MUX ports.
 		 */
 		.ident = "HP Pavilion ZT1000",
 		.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"),
 		},
 	},
 	{
 		/*
 		 * Like DV4017EA does not raise AUXERR for errors on MUX ports.
 		 */
 		.ident = "HP Pavilion DV4270ca",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
 		},
 	},
 	{
 		.ident = "Toshiba P10",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
 		},
 	},
 	{
 		.ident = "Toshiba Equium A110",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
 		},
 	},
 	{
 		.ident = "Alienware Sentia",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
 		},
 	},
 	{
 		.ident = "Sharp Actius MM20",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
 		},
 	},
 	{
 		.ident = "Sony Vaio FS-115b",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
 		},
 	},
 	{
 		.ident = "Amoi M636/A737",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
 			DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
 		},
 	},
 	{
 		.ident = "Lenovo 3000 n100",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
 		},
 	},
 	{
 		.ident = "Acer Aspire 1360",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
 		},
 	},
 	{
 		.ident = "Gericom Bellagio",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
 		},
 	},
 	{
 		.ident = "IBM 2656",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
 		},
 	},
 	{
 		.ident = "Dell XPS M1530",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 			DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
 		},
 	},
 	{
 		.ident = "Compal HEL80I",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
 		},
 	},
 	{
 		.ident = "Dell Vostro 1510",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
 		},
 	},
 	{ }
 };

 #ifdef CONFIG_PNP
 static struct dmi_system_id __initdata i8042_dmi_nopnp_table[] = {
 	{
 		.ident = "Intel MBO Desktop D845PESV",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
 			DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
 		},
 	},
 	{ }
 };
 #endif

 /*
  * 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 struct dmi_system_id __initdata i8042_dmi_dritek_table[] = {
 	{
 		.ident = "Acer Aspire 5630",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
 		},
 	},
 	{
 		.ident = "Acer Aspire 5650",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
 		},
 	},
 	{
 		.ident = "Acer Aspire 5680",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
 		},
 	},
 	{
 		.ident = "Acer Aspire 5720",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
 		},
 	},
 	{
 		.ident = "Acer Aspire 9110",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
 		},
 	},
 	{
 		.ident = "Acer TravelMate 660",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
 		},
 	},
 	{
 		.ident = "Acer TravelMate 2490",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
 		},
 	},
 	{
 		.ident = "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 int i8042_pnp_kbd_registered;
 static unsigned int i8042_pnp_kbd_devices;
 static int 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));
 	}

 	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 = "PNP0303", .driver_data = 0 },
 	{ .id = "PNP030b", .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 = "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 = 0;
 		pnp_unregister_driver(&i8042_pnp_kbd_driver);
 	}

 	if (i8042_pnp_aux_registered) {
 		i8042_pnp_aux_registered = 0;
 		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 };
 	int pnp_data_busted = 0;
 	int err;

 #ifdef CONFIG_X86
 	if (dmi_check_system(i8042_dmi_nopnp_table))
 		i8042_nopnp = 1;
 #endif

 	if (i8042_nopnp) {
 		printk(KERN_INFO "i8042: PNP detection disabled\n");
 		return 0;
 	}

 	err = pnp_register_driver(&i8042_pnp_kbd_driver);
 	if (!err)
 		i8042_pnp_kbd_registered = 1;

 	err = pnp_register_driver(&i8042_pnp_aux_driver);
 	if (!err)
 		i8042_pnp_aux_registered = 1;

 	if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
 		i8042_pnp_exit();
 #if defined(__ia64__)
 		return -ENODEV;
 #else
 		printk(KERN_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);

 	printk(KERN_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 = 1;
 	if (!i8042_pnp_aux_devices)
 		i8042_noaux = 1;
 #endif

 	if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
 	      i8042_pnp_data_reg != i8042_data_reg) ||
 	    !i8042_pnp_data_reg) {
 		printk(KERN_WARNING
 			"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 = 1;
 	}

 	if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
 	      i8042_pnp_command_reg != i8042_command_reg) ||
 	    !i8042_pnp_command_reg) {
 		printk(KERN_WARNING
 			"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 = 1;
 	}

 	if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
 		printk(KERN_WARNING
 			"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 = 1;
 	}

 	if (!i8042_noaux && !i8042_pnp_aux_irq) {
 		if (!pnp_data_busted && i8042_pnp_kbd_irq) {
 			printk(KERN_WARNING
 				"PNP: PS/2 appears to have AUX port disabled, "
 				"if this is incorrect please boot with "
 				"i8042.nopnp\n");
 			i8042_noaux = 1;
 		} else {
 			printk(KERN_WARNING
 				"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;

 	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;

 /*
  * 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 = 1;
 #endif

 #ifdef CONFIG_X86
 	if (dmi_check_system(i8042_dmi_noloop_table))
 		i8042_noloop = 1;

 	if (dmi_check_system(i8042_dmi_nomux_table))
 		i8042_nomux = 1;

 	if (dmi_check_system(i8042_dmi_dritek_table))
 		i8042_dritek = 1;
 #endif /* CONFIG_X86 */

 	return retval;
 }

 static inline void i8042_platform_exit(void)
 {
 	i8042_pnp_exit();
 }

 #endif /* _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.
	*/

	/*
	* 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 struct dmi_system_id __initdata i8042_dmi_noloop_table[] = {
	{
	/* AUX LOOP command does not raise AUX IRQ */
	.ident = "Arima-Rioworks HDAMB",
	.matches = {
	DMI_MATCH(DMI_BOARD_VENDOR, "RIOWORKS"),
	DMI_MATCH(DMI_BOARD_NAME, "HDAMB"),
	DMI_MATCH(DMI_BOARD_VERSION, "Rev E"),
	},
	},
	{
	/* AUX LOOP command does not raise AUX IRQ */
	.ident = "ASUS P65UP5",
	.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"),
	},
	},
	{
	.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"),
	},
	},
	{
	.ident = "OQO Model 01",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
	DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
	DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
	},
	},
	{
	/* AUX LOOP does not work properly */
	.ident = "ULI EV4873",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
	DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
	DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
	},
	},
	{
	.ident = "Microsoft Virtual Machine",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
	DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
	DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
	},
	},
	{
	.ident = "Medion MAM 2070",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
	DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
	DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
	},
	},
	{
	.ident = "Blue FB5601",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "blue"),
	DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
	DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
	},
	},
	{
	.ident = "Gigabyte M912",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
	DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
	DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
	},
	},
	{ }
	};

	/*
	* 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 struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
	{
	.ident = "Fujitsu Lifebook P7010/P7010D",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
	DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
	},
	},
	{
	.ident = "Fujitsu Lifebook P7010",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
	DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
	},
	},
	{
	.ident = "Fujitsu Lifebook P5020D",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
	DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
	},
	},
	{
	.ident = "Fujitsu Lifebook S2000",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
	DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
	},
	},
	{
	.ident = "Fujitsu Lifebook S6230",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
	DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
	},
	},
	{
	.ident = "Fujitsu T70H",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
	DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
	},
	},
	{
	.ident = "Fujitsu-Siemens Lifebook T3010",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
	DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
	},
	},
	{
	.ident = "Fujitsu-Siemens Lifebook E4010",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
	DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
	},
	},
	{
	.ident = "Fujitsu-Siemens Amilo Pro 2010",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
	DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
	},
	},
	{
	.ident = "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.
	*/
	.ident = "Panasonic CF-29",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
	DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
	},
	},
	{
	/*
	* Errors on MUX ports are reported without raising AUXDATA
	* causing "spurious NAK" messages.
	*/
	.ident = "HP Pavilion DV4017EA",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
	DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
	},
	},
	{
	/*
	* Like DV4017EA does not raise AUXERR for errors on MUX ports.
	*/
	.ident = "HP Pavilion ZT1000",
	.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"),
	},
	},
	{
	/*
	* Like DV4017EA does not raise AUXERR for errors on MUX ports.
	*/
	.ident = "HP Pavilion DV4270ca",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
	DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
	},
	},
	{
	.ident = "Toshiba P10",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
	DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
	},
	},
	{
	.ident = "Toshiba Equium A110",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
	DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
	},
	},
	{
	.ident = "Alienware Sentia",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
	DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
	},
	},
	{
	.ident = "Sharp Actius MM20",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
	DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
	},
	},
	{
	.ident = "Sony Vaio FS-115b",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
	DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
	},
	},
	{
	.ident = "Amoi M636/A737",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
	DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
	},
	},
	{
	.ident = "Lenovo 3000 n100",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
	DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
	},
	},
	{
	.ident = "Acer Aspire 1360",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
	DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
	},
	},
	{
	.ident = "Gericom Bellagio",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
	DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
	},
	},
	{
	.ident = "IBM 2656",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
	DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
	},
	},
	{
	.ident = "Dell XPS M1530",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
	DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
	},
	},
	{
	.ident = "Compal HEL80I",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
	DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
	},
	},
	{
	.ident = "Dell Vostro 1510",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
	DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
	},
	},
	{ }
	};

	#ifdef CONFIG_PNP
	static struct dmi_system_id __initdata i8042_dmi_nopnp_table[] = {
	{
	.ident = "Intel MBO Desktop D845PESV",
	.matches = {
	DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
	DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
	},
	},
	{ }
	};
	#endif

	/*
	* 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 struct dmi_system_id __initdata i8042_dmi_dritek_table[] = {
	{
	.ident = "Acer Aspire 5630",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
	DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
	},
	},
	{
	.ident = "Acer Aspire 5650",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
	DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
	},
	},
	{
	.ident = "Acer Aspire 5680",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
	DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
	},
	},
	{
	.ident = "Acer Aspire 5720",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
	DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
	},
	},
	{
	.ident = "Acer Aspire 9110",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
	DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
	},
	},
	{
	.ident = "Acer TravelMate 660",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
	DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
	},
	},
	{
	.ident = "Acer TravelMate 2490",
	.matches = {
	DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
	DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
	},
	},
	{
	.ident = "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 int i8042_pnp_kbd_registered;
	static unsigned int i8042_pnp_kbd_devices;
	static int 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));
	}

	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 = "PNP0303", .driver_data = 0 },
	{ .id = "PNP030b", .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 = "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 = 0;
	pnp_unregister_driver(&i8042_pnp_kbd_driver);
	}

	if (i8042_pnp_aux_registered) {
	i8042_pnp_aux_registered = 0;
	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 };
	int pnp_data_busted = 0;
	int err;

	#ifdef CONFIG_X86
	if (dmi_check_system(i8042_dmi_nopnp_table))
	i8042_nopnp = 1;
	#endif

	if (i8042_nopnp) {
	printk(KERN_INFO "i8042: PNP detection disabled\n");
	return 0;
	}

	err = pnp_register_driver(&i8042_pnp_kbd_driver);
	if (!err)
	i8042_pnp_kbd_registered = 1;

	err = pnp_register_driver(&i8042_pnp_aux_driver);
	if (!err)
	i8042_pnp_aux_registered = 1;

	if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
	i8042_pnp_exit();
	#if defined(__ia64__)
	return -ENODEV;
	#else
	printk(KERN_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);

	printk(KERN_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 = 1;
	if (!i8042_pnp_aux_devices)
	i8042_noaux = 1;
	#endif

	if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
	i8042_pnp_data_reg != i8042_data_reg) \|\|
	!i8042_pnp_data_reg) {
	printk(KERN_WARNING
	"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 = 1;
	}

	if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
	i8042_pnp_command_reg != i8042_command_reg) \|\|
	!i8042_pnp_command_reg) {
	printk(KERN_WARNING
	"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 = 1;
	}

	if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
	printk(KERN_WARNING
	"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 = 1;
	}

	if (!i8042_noaux && !i8042_pnp_aux_irq) {
	if (!pnp_data_busted && i8042_pnp_kbd_irq) {
	printk(KERN_WARNING
	"PNP: PS/2 appears to have AUX port disabled, "
	"if this is incorrect please boot with "
	"i8042.nopnp\n");
	i8042_noaux = 1;
	} else {
	printk(KERN_WARNING
	"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;

	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;

	/*
	* 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 = 1;
	#endif

	#ifdef CONFIG_X86
	if (dmi_check_system(i8042_dmi_noloop_table))
	i8042_noloop = 1;

	if (dmi_check_system(i8042_dmi_nomux_table))
	i8042_nomux = 1;

	if (dmi_check_system(i8042_dmi_dritek_table))
	i8042_dritek = 1;
	#endif /* CONFIG_X86 */

	return retval;
	}

	static inline void i8042_platform_exit(void)
	{
	i8042_pnp_exit();
	}

	#endif /* _I8042_X86IA64IO_H */