[net-next-2.6.git] / 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.
 */

/*
 * 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);
}

#if defined(__i386__)

#include <linux/dmi.h>

static struct dmi_system_id __initdata i8042_dmi_noloop_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"),
		},
	},
	{
		.ident = "OQO Model 01",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
			DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
			DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
		},
	},
	{ }
};

/*
 * 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 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 = "Toshiba P10",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
			DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
		},
	},
	{
		.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"),
		},
	},
	{ }
};


#endif


#ifdef CONFIG_PNP
#include <linux/pnp.h>

static int i8042_pnp_kbd_registered;
static int i8042_pnp_aux_registered;

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);

	strncpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
	if (strlen(pnp_dev_name(dev))) {
		strncat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
		strncat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
	}

	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);

	strncpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
	if (strlen(pnp_dev_name(dev))) {
		strncat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
		strncat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
	}

	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 = "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)
{
	int result_kbd = 0, result_aux = 0;
	char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };

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

	if ((result_kbd = pnp_register_driver(&i8042_pnp_kbd_driver)) >= 0)
		i8042_pnp_kbd_registered = 1;

	if ((result_aux = pnp_register_driver(&i8042_pnp_aux_driver)) >= 0)
		i8042_pnp_aux_registered = 1;

	if (result_kbd <= 0 && result_aux <= 0) {
		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 (result_kbd > 0)
		snprintf(kbd_irq_str, sizeof(kbd_irq_str),
			"%d", i8042_pnp_kbd_irq);
	if (result_aux > 0)
		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, (result_kbd > 0 && result_aux > 0) ? "," : "",
		i8042_pnp_aux_name,
		i8042_pnp_data_reg, i8042_pnp_command_reg,
		kbd_irq_str, (result_kbd > 0 && result_aux > 0) ? "," : "",
		aux_irq_str);

#if defined(__ia64__)
	if (result_kbd <= 0)
		i8042_nokbd = 1;
	if (result_aux <= 0)
		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;
	}

	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;
	}

	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;
	}

	if (!i8042_noaux && !i8042_pnp_aux_irq) {
		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

#if defined(__i386__)
	if (dmi_check_system(i8042_dmi_noloop_table))
		i8042_noloop = 1;

	if (dmi_check_system(i8042_dmi_nomux_table))
		i8042_nomux = 1;
#endif

	return retval;
}

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

#endif /* _I8042_X86IA64IO_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _I8042_X86IA64IO_H
	2	#define _I8042_X86IA64IO_H
	3
	4	/*
	5	* This program is free software; you can redistribute it and/or modify it
	6	* under the terms of the GNU General Public License version 2 as published by
	7	* the Free Software Foundation.
	8	*/
	9
	10	/*
	11	* Names.
	12	*/
	13
	14	#define I8042_KBD_PHYS_DESC "isa0060/serio0"
	15	#define I8042_AUX_PHYS_DESC "isa0060/serio1"
	16	#define I8042_MUX_PHYS_DESC "isa0060/serio%d"
	17
	18	/*
	19	* IRQs.
	20	*/
	21
	22	#if defined(__ia64__)
	23	# define I8042_MAP_IRQ(x) isa_irq_to_vector((x))
	24	#else
	25	# define I8042_MAP_IRQ(x) (x)
	26	#endif
	27
	28	#define I8042_KBD_IRQ i8042_kbd_irq
	29	#define I8042_AUX_IRQ i8042_aux_irq
	30
	31	static int i8042_kbd_irq;
	32	static int i8042_aux_irq;
	33
	34	/*
	35	* Register numbers.
	36	*/
	37
	38	#define I8042_COMMAND_REG i8042_command_reg
	39	#define I8042_STATUS_REG i8042_command_reg
	40	#define I8042_DATA_REG i8042_data_reg
	41
	42	static int i8042_command_reg = 0x64;
	43	static int i8042_data_reg = 0x60;
	44
	45
	46	static inline int i8042_read_data(void)
	47	{
	48	return inb(I8042_DATA_REG);
	49	}
	50
	51	static inline int i8042_read_status(void)
	52	{
	53	return inb(I8042_STATUS_REG);
	54	}
	55
	56	static inline void i8042_write_data(int val)
	57	{
	58	outb(val, I8042_DATA_REG);
	59	}
	60
	61	static inline void i8042_write_command(int val)
	62	{
	63	outb(val, I8042_COMMAND_REG);
	64	}
65
66	#if defined(__i386__)
67
68	#include <linux/dmi.h>
69
70	static struct dmi_system_id __initdata i8042_dmi_noloop_table[] = {
71	{
72	.ident = "Compaq Proliant 8500",
73	.matches = {
74	DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
75	DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
76	DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
77	},
78	},
79	{
80	.ident = "Compaq Proliant DL760",
81	.matches = {
82	DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
83	DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
84	DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
85	},
86	},
6020bafc BC	87	{
	88	.ident = "OQO Model 01",
	89	.matches = {
	90	DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
	91	DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
	92	DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
	93	},
	94	},
1da177e4 LT	95	{ }
	96	};
	97
	98	/*
59311de3	99	* Some Fujitsu notebooks are having trouble with touchpads if
1da177e4 LT	100	* active multiplexing mode is activated. Luckily they don't have
1da177e4 LT	101	* external PS/2 ports so we can safely disable it.
59311de3 DT	102	* ... apparently some Toshibas don't like MUX mode either and
59311de3 DT	103	* die horrible death on reboot.
1da177e4 LT	104	*/
	105	static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
	106	{
	107	.ident = "Fujitsu Lifebook P7010/P7010D",
	108	.matches = {
	109	DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
	110	DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
	111	},
	112	},
	113	{
	114	.ident = "Fujitsu Lifebook P5020D",
	115	.matches = {
	116	DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
	117	DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
	118	},
	119	},
	120	{
	121	.ident = "Fujitsu Lifebook S2000",
	122	.matches = {
	123	DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
	124	DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
	125	},
	126	},
b4ff99b6 DT	127	{
	128	.ident = "Fujitsu Lifebook S6230",
	129	.matches = {
	130	DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
	131	DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
	132	},
	133	},
1da177e4 LT	134	{
	135	.ident = "Fujitsu T70H",
	136	.matches = {
	137	DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
	138	DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
	139	},
	140	},
20f07944 VP	141	{
	142	.ident = "Fujitsu-Siemens Lifebook T3010",
	143	.matches = {
	144	DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
	145	DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
	146	},
	147	},
7545c24c DT	148	{
	149	.ident = "Fujitsu-Siemens Lifebook E4010",
	150	.matches = {
	151	DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
	152	DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
	153	},
	154	},
59311de3 DT	155	{
	156	.ident = "Toshiba P10",
	157	.matches = {
	158	DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
	159	DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
	160	},
	161	},
865190cd DT	162	{
	163	.ident = "Alienware Sentia",
	164	.matches = {
	165	DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
	166	DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
	167	},
	168	},
4eb38ac0 DT	169	{
	170	.ident = "Sharp Actius MM20",
	171	.matches = {
	172	DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
	173	DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
	174	},
	175	},
1da177e4 LT	176	{ }
	177	};
	178
	179
	180
	181	#endif
	182
	183
	184	#ifdef CONFIG_PNP
	185	#include <linux/pnp.h>
	186
	187	static int i8042_pnp_kbd_registered;
	188	static int i8042_pnp_aux_registered;
	189
	190	static int i8042_pnp_command_reg;
	191	static int i8042_pnp_data_reg;
	192	static int i8042_pnp_kbd_irq;
	193	static int i8042_pnp_aux_irq;
	194
	195	static char i8042_pnp_kbd_name[32];
	196	static char i8042_pnp_aux_name[32];
	197
	198	static int i8042_pnp_kbd_probe(struct pnp_dev dev, const struct pnp_device_id did)
	199	{
	200	if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
	201	i8042_pnp_data_reg = pnp_port_start(dev,0);
	202
	203	if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
	204	i8042_pnp_command_reg = pnp_port_start(dev, 1);
	205
	206	if (pnp_irq_valid(dev,0))
	207	i8042_pnp_kbd_irq = pnp_irq(dev, 0);
	208
	209	strncpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
	210	if (strlen(pnp_dev_name(dev))) {
	211	strncat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
	212	strncat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
	213	}
	214
	215	return 0;
	216	}
	217
	218	static int i8042_pnp_aux_probe(struct pnp_dev dev, const struct pnp_device_id did)
	219	{
	220	if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
	221	i8042_pnp_data_reg = pnp_port_start(dev,0);
	222
	223	if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
	224	i8042_pnp_command_reg = pnp_port_start(dev, 1);
	225
	226	if (pnp_irq_valid(dev, 0))
	227	i8042_pnp_aux_irq = pnp_irq(dev, 0);
	228
	229	strncpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
	230	if (strlen(pnp_dev_name(dev))) {
	231	strncat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
	232	strncat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
	233	}
	234
	235	return 0;
	236	}
	237
	238	static struct pnp_device_id pnp_kbd_devids[] = {
	239	{ .id = "PNP0303", .driver_data = 0 },
240	{ .id = "PNP030b", .driver_data = 0 },
241	{ .id = "", },
242	};
243
244	static struct pnp_driver i8042_pnp_kbd_driver = {
245	.name = "i8042 kbd",
246	.id_table = pnp_kbd_devids,
247	.probe = i8042_pnp_kbd_probe,
248	};
249
250	static struct pnp_device_id pnp_aux_devids[] = {
251	{ .id = "PNP0f03", .driver_data = 0 },
252	{ .id = "PNP0f0b", .driver_data = 0 },
253	{ .id = "PNP0f0e", .driver_data = 0 },
254	{ .id = "PNP0f12", .driver_data = 0 },
255	{ .id = "PNP0f13", .driver_data = 0 },
256	{ .id = "PNP0f19", .driver_data = 0 },
257	{ .id = "PNP0f1c", .driver_data = 0 },
258	{ .id = "SYN0801", .driver_data = 0 },
259	{ .id = "", },
260	};
261
262	static struct pnp_driver i8042_pnp_aux_driver = {
263	.name = "i8042 aux",
264	.id_table = pnp_aux_devids,
265	.probe = i8042_pnp_aux_probe,
266	};
267
268	static void i8042_pnp_exit(void)
269	{
74af42bb KG	270	if (i8042_pnp_kbd_registered) {
74af42bb KG	271	i8042_pnp_kbd_registered = 0;
1da177e4	272	pnp_unregister_driver(&i8042_pnp_kbd_driver);
74af42bb	273	}
1da177e4	274
74af42bb KG	275	if (i8042_pnp_aux_registered) {
74af42bb KG	276	i8042_pnp_aux_registered = 0;
1da177e4	277	pnp_unregister_driver(&i8042_pnp_aux_driver);
74af42bb	278	}
1da177e4 LT	279	}
1da177e4 LT	280
8d5987a6	281	static int __init i8042_pnp_init(void)
1da177e4	282	{
c3d31e7f DT	283	int result_kbd = 0, result_aux = 0;
c3d31e7f DT	284	char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
1da177e4 LT	285
1da177e4 LT	286	if (i8042_nopnp) {
39fa5800	287	printk(KERN_INFO "i8042: PNP detection disabled\n");
1da177e4 LT	288	return 0;
	289	}
	290
	291	if ((result_kbd = pnp_register_driver(&i8042_pnp_kbd_driver)) >= 0)
	292	i8042_pnp_kbd_registered = 1;
c3d31e7f	293
1da177e4 LT	294	if ((result_aux = pnp_register_driver(&i8042_pnp_aux_driver)) >= 0)
	295	i8042_pnp_aux_registered = 1;
	296
	297	if (result_kbd <= 0 && result_aux <= 0) {
	298	i8042_pnp_exit();
	299	#if defined(__ia64__)
	300	return -ENODEV;
	301	#else
5a72afc0	302	printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
1da177e4 LT	303	return 0;
	304	#endif
	305	}
	306
c3d31e7f DT	307	if (result_kbd > 0)
	308	snprintf(kbd_irq_str, sizeof(kbd_irq_str),
	309	"%d", i8042_pnp_kbd_irq);
	310	if (result_aux > 0)
	311	snprintf(aux_irq_str, sizeof(aux_irq_str),
	312	"%d", i8042_pnp_aux_irq);
	313
	314	printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
	315	i8042_pnp_kbd_name, (result_kbd > 0 && result_aux > 0) ? "," : "",
	316	i8042_pnp_aux_name,
	317	i8042_pnp_data_reg, i8042_pnp_command_reg,
	318	kbd_irq_str, (result_kbd > 0 && result_aux > 0) ? "," : "",
	319	aux_irq_str);
	320
	321	#if defined(__ia64__)
945ef0d4 DT	322	if (result_kbd <= 0)
945ef0d4 DT	323	i8042_nokbd = 1;
c3d31e7f DT	324	if (result_aux <= 0)
	325	i8042_noaux = 1;
	326	#endif
	327
1da177e4 LT	328	if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
	329	i8042_pnp_data_reg != i8042_data_reg) \|\| !i8042_pnp_data_reg) {
	330	printk(KERN_WARNING "PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
	331	i8042_pnp_data_reg, i8042_data_reg);
	332	i8042_pnp_data_reg = i8042_data_reg;
	333	}
	334
	335	if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
	336	i8042_pnp_command_reg != i8042_command_reg) \|\| !i8042_pnp_command_reg) {
	337	printk(KERN_WARNING "PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
	338	i8042_pnp_command_reg, i8042_command_reg);
	339	i8042_pnp_command_reg = i8042_command_reg;
	340	}
	341
945ef0d4	342	if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
c3d31e7f	343	printk(KERN_WARNING "PNP: PS/2 controller doesn't have KBD irq; using default %d\n", i8042_kbd_irq);
1da177e4 LT	344	i8042_pnp_kbd_irq = i8042_kbd_irq;
	345	}
	346
c3d31e7f DT	347	if (!i8042_noaux && !i8042_pnp_aux_irq) {
c3d31e7f DT	348	printk(KERN_WARNING "PNP: PS/2 controller doesn't have AUX irq; using default %d\n", i8042_aux_irq);
1da177e4 LT	349	i8042_pnp_aux_irq = i8042_aux_irq;
	350	}
	351
1da177e4 LT	352	i8042_data_reg = i8042_pnp_data_reg;
	353	i8042_command_reg = i8042_pnp_command_reg;
	354	i8042_kbd_irq = i8042_pnp_kbd_irq;
	355	i8042_aux_irq = i8042_pnp_aux_irq;
	356
1da177e4 LT	357	return 0;
	358	}
	359
8d5987a6 DT	360	#else
	361	static inline int i8042_pnp_init(void) { return 0; }
	362	static inline void i8042_pnp_exit(void) { }
1da177e4 LT	363	#endif
1da177e4 LT	364
8d5987a6	365	static int __init i8042_platform_init(void)
1da177e4	366	{
8d5987a6 DT	367	int retval;
8d5987a6 DT	368
1da177e4 LT	369	/*
	370	* On ix86 platforms touching the i8042 data register region can do really
	371	* bad things. Because of this the region is always reserved on ix86 boxes.
	372	*
	373	* if (!request_region(I8042_DATA_REG, 16, "i8042"))
8d5987a6	374	* return -EBUSY;
1da177e4 LT	375	*/
	376
	377	i8042_kbd_irq = I8042_MAP_IRQ(1);
	378	i8042_aux_irq = I8042_MAP_IRQ(12);
	379
8d5987a6 DT	380	retval = i8042_pnp_init();
	381	if (retval)
	382	return retval;
1da177e4 LT	383
	384	#if defined(__ia64__)
	385	i8042_reset = 1;
	386	#endif
	387
	388	#if defined(__i386__)
	389	if (dmi_check_system(i8042_dmi_noloop_table))
	390	i8042_noloop = 1;
	391
	392	if (dmi_check_system(i8042_dmi_nomux_table))
	393	i8042_nomux = 1;
	394	#endif
	395
8d5987a6	396	return retval;
1da177e4 LT	397	}
	398
	399	static inline void i8042_platform_exit(void)
	400	{
1da177e4	401	i8042_pnp_exit();
1da177e4 LT	402	}
	403
	404	#endif /* _I8042_X86IA64IO_H */