diff --git a/MAINTAINERS b/MAINTAINERS
index f239ac4762ddb4565954c49135dff2adb1a364b5..c5cf7d7e58b24116c30864414b7496ed50e1f0e6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2907,6 +2907,11 @@ M:	zaga@fly.cc.fer.hr
 L:	linux-scsi@vger.kernel.org
 S:	Maintained
 
+WISTRON LAPTOP BUTTON DRIVER
+P:	Miloslav Trmac
+M:	mitr@volny.cz
+S:	Maintained
+
 WL3501 WIRELESS PCMCIA CARD DRIVER
 P:	Arnaldo Carvalho de Melo
 M:	acme@conectiva.com.br
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index b3eaac1b35b64109b27c475a8b4b818ce35be780..06e91c856b35812aff75c125dba2ae0920a3f930 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -40,6 +40,16 @@ config INPUT_M68K_BEEP
 	tristate "M68k Beeper support"
 	depends on M68K
 
+config INPUT_WISTRON_BTNS
+	tristate "x86 Wistron laptop button interface"
+	depends on X86
+	help
+	  Say Y here for support of Winstron laptop button interface, used on
+	  laptops of various brands, including Acer and Fujitsu-Siemens.
+
+	  To compile this driver as a module, choose M here: the module will
+	  be called wistron_btns.
+
 config INPUT_UINPUT
 	tristate "User level driver support"
 	help
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index f8d01c69f349567247108e755f4b1725fb3dd96e..ce44cce012855a22142eec77fcc83e38eb88b39e 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -9,4 +9,5 @@ obj-$(CONFIG_INPUT_PCSPKR)		+= pcspkr.o
 obj-$(CONFIG_INPUT_M68K_BEEP)		+= m68kspkr.o
 obj-$(CONFIG_INPUT_98SPKR)		+= 98spkr.o
 obj-$(CONFIG_INPUT_UINPUT)		+= uinput.o
+obj-$(CONFIG_INPUT_WISTRON_BTNS)	+= wistron_btns.o
 obj-$(CONFIG_HP_SDC_RTC)		+= hp_sdc_rtc.o
diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c
new file mode 100644
index 0000000000000000000000000000000000000000..76d32e365b5dbb56ecaf0c022201799b89a80599
--- /dev/null
+++ b/drivers/input/misc/wistron_btns.c
@@ -0,0 +1,443 @@
+/*
+ * Wistron laptop button driver
+ * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
+ *
+ * You can redistribute and/or modify this program under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
+ * Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place Suite 330, Boston, MA 02111-1307, USA.
+ */
+#include <asm/io.h>
+#include <linux/dmi.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/mc146818rtc.h>
+#include <linux/module.h>
+#include <linux/preempt.h>
+#include <linux/string.h>
+#include <linux/timer.h>
+#include <linux/types.h>
+
+/*
+ * Number of attempts to read data from queue per poll;
+ * the queue can hold up to 31 entries
+ */
+#define MAX_POLL_ITERATIONS 64
+
+#define POLL_FREQUENCY 10 /* Number of polls per second */
+
+#if POLL_FREQUENCY > HZ
+#error "POLL_FREQUENCY too high"
+#endif
+
+MODULE_AUTHOR("Miloslav Trmac <mitr@volny.cz>");
+MODULE_DESCRIPTION("Wistron laptop button driver");
+MODULE_LICENSE("GPL v2");
+MODULE_VERSION("0.1");
+
+static int force; /* = 0; */
+module_param(force, bool, 0);
+MODULE_PARM_DESC(force, "Load even if computer is not in database");
+
+static char *keymap_name; /* = NULL; */
+module_param_named(keymap, keymap_name, charp, 0);
+MODULE_PARM_DESC(keymap, "Keymap name, if it can't be autodetected");
+
+ /* BIOS interface implementation */
+
+static void __iomem *bios_entry_point; /* BIOS routine entry point */
+static void __iomem *bios_code_map_base;
+static void __iomem *bios_data_map_base;
+
+static u8 cmos_address;
+
+struct regs {
+	u32 eax, ebx, ecx;
+};
+
+static void call_bios(struct regs *regs)
+{
+	unsigned long flags;
+
+	preempt_disable();
+	local_irq_save(flags);
+	asm volatile ("pushl %%ebp;"
+		      "movl %7, %%ebp;"
+		      "call *%6;"
+		      "popl %%ebp"
+		      : "=a" (regs->eax), "=b" (regs->ebx), "=c" (regs->ecx)
+		      : "0" (regs->eax), "1" (regs->ebx), "2" (regs->ecx),
+			"m" (bios_entry_point), "m" (bios_data_map_base)
+		      : "edx", "edi", "esi", "memory");
+	local_irq_restore(flags);
+	preempt_enable();
+}
+
+static size_t __init locate_wistron_bios(void __iomem *base)
+{
+	static const unsigned char __initdata signature[] =
+		{ 0x42, 0x21, 0x55, 0x30 };
+	size_t offset;
+
+	for (offset = 0; offset < 0x10000; offset += 0x10) {
+		if (check_signature(base + offset, signature,
+				    sizeof(signature)) != 0)
+			return offset;
+	}
+	return -1;
+}
+
+static int __init map_bios(void)
+{
+	void __iomem *base;
+	size_t offset;
+	u32 entry_point;
+
+	base = ioremap(0xF0000, 0x10000); /* Can't fail */
+	offset = locate_wistron_bios(base);
+	if (offset < 0) {
+		printk(KERN_ERR "wistron_btns: BIOS entry point not found\n");
+		iounmap(base);
+		return -ENODEV;
+	}
+
+	entry_point = readl(base + offset + 5);
+	printk(KERN_DEBUG
+		"wistron_btns: BIOS signature found at %p, entry point %08X\n",
+		base + offset, entry_point);
+
+	if (entry_point >= 0xF0000) {
+		bios_code_map_base = base;
+		bios_entry_point = bios_code_map_base + (entry_point & 0xFFFF);
+	} else {
+		iounmap(base);
+		bios_code_map_base = ioremap(entry_point & ~0x3FFF, 0x4000);
+		if (bios_code_map_base == NULL) {
+			printk(KERN_ERR
+				"wistron_btns: Can't map BIOS code at %08X\n",
+				entry_point & ~0x3FFF);
+			goto err;
+		}
+		bios_entry_point = bios_code_map_base + (entry_point & 0x3FFF);
+	}
+	/* The Windows driver maps 0x10000 bytes, we keep only one page... */
+	bios_data_map_base = ioremap(0x400, 0xc00);
+	if (bios_data_map_base == NULL) {
+		printk(KERN_ERR "wistron_btns: Can't map BIOS data\n");
+		goto err_code;
+	}
+	return 0;
+
+err_code:
+	iounmap(bios_code_map_base);
+err:
+	return -ENOMEM;
+}
+
+static void __exit unmap_bios(void)
+{
+	iounmap(bios_code_map_base);
+	iounmap(bios_data_map_base);
+}
+
+ /* BIOS calls */
+
+static u16 bios_pop_queue(void)
+{
+	struct regs regs;
+
+	memset(&regs, 0, sizeof (regs));
+	regs.eax = 0x9610;
+	regs.ebx = 0x061C;
+	regs.ecx = 0x0000;
+	call_bios(&regs);
+
+	return regs.eax;
+}
+
+static void __init bios_attach(void)
+{
+	struct regs regs;
+
+	memset(&regs, 0, sizeof (regs));
+	regs.eax = 0x9610;
+	regs.ebx = 0x012E;
+	call_bios(&regs);
+}
+
+static void __exit bios_detach(void)
+{
+	struct regs regs;
+
+	memset(&regs, 0, sizeof (regs));
+	regs.eax = 0x9610;
+	regs.ebx = 0x002E;
+	call_bios(&regs);
+}
+
+static u8 __init bios_get_cmos_address(void)
+{
+	struct regs regs;
+
+	memset(&regs, 0, sizeof (regs));
+	regs.eax = 0x9610;
+	regs.ebx = 0x051C;
+	call_bios(&regs);
+
+	return regs.ecx;
+}
+
+static u16 __init bios_wifi_get_default_setting(void)
+{
+	struct regs regs;
+
+	memset(&regs, 0, sizeof (regs));
+	regs.eax = 0x9610;
+	regs.ebx = 0x0235;
+	call_bios(&regs);
+
+	return regs.eax;
+}
+
+static void bios_wifi_set_state(int enable)
+{
+	struct regs regs;
+
+	memset(&regs, 0, sizeof (regs));
+	regs.eax = 0x9610;
+	regs.ebx = enable ? 0x0135 : 0x0035;
+	call_bios(&regs);
+}
+
+ /* Hardware database */
+
+struct key_entry {
+	char type;		/* See KE_* below */
+	u8 code;
+	unsigned keycode;	/* For KE_KEY */
+};
+
+enum { KE_END, KE_KEY, KE_WIFI };
+
+static const struct key_entry *keymap; /* = NULL; Current key map */
+static int have_wifi;
+
+static int __init dmi_matched(struct dmi_system_id *dmi)
+{
+	const struct key_entry *key;
+
+	keymap = dmi->driver_data;
+	for (key = keymap; key->type != KE_END; key++) {
+		if (key->type == KE_WIFI) {
+			have_wifi = 1;
+			break;
+		}
+	}
+	return 1;
+}
+
+static struct key_entry keymap_empty[] = {
+	{ KE_END, 0 }
+};
+
+static struct key_entry keymap_fs_amilo_pro_v2000[] = {
+	{ KE_KEY,  0x01, KEY_HELP },
+	{ KE_KEY,  0x11, KEY_PROG1 },
+	{ KE_KEY,  0x12, KEY_PROG2 },
+	{ KE_WIFI, 0x30, 0 },
+	{ KE_KEY,  0x31, KEY_MAIL },
+	{ KE_KEY,  0x36, KEY_WWW },
+	{ KE_END,  0 }
+};
+
+static struct key_entry keymap_wistron_ms2141[] = {
+	{ KE_KEY,  0x11, KEY_PROG1 },
+	{ KE_KEY,  0x12, KEY_PROG2 },
+	{ KE_WIFI, 0x30, 0 },
+	{ KE_KEY,  0x22, KEY_REWIND },
+	{ KE_KEY,  0x23, KEY_FORWARD },
+	{ KE_KEY,  0x24, KEY_PLAYPAUSE },
+	{ KE_KEY,  0x25, KEY_STOPCD },
+	{ KE_KEY,  0x31, KEY_MAIL },
+	{ KE_KEY,  0x36, KEY_WWW },
+	{ KE_END,  0 }
+};
+
+/*
+ * If your machine is not here (which is currently rather likely), please send
+ * a list of buttons and their key codes (reported when loading this module
+ * with force=1) and the output of dmidecode to $MODULE_AUTHOR.
+ */
+static struct dmi_system_id dmi_ids[] = {
+	{
+		.callback = dmi_matched,
+		.ident = "Fujitsu-Siemens Amilo Pro V2000",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2000"),
+		},
+		.driver_data = keymap_fs_amilo_pro_v2000
+	},
+	{ 0, }
+};
+
+static int __init select_keymap(void)
+{
+	if (keymap_name != NULL) {
+		if (strcmp (keymap_name, "1557/MS2141") == 0)
+			keymap = keymap_wistron_ms2141;
+		else {
+			printk(KERN_ERR "wistron_btns: Keymap unknown\n");
+			return -EINVAL;
+		}
+	}
+	dmi_check_system(dmi_ids);
+	if (keymap == NULL) {
+		if (!force) {
+			printk(KERN_ERR "wistron_btns: System unknown\n");
+			return -ENODEV;
+		}
+		keymap = keymap_empty;
+	}
+	return 0;
+}
+
+ /* Input layer interface */
+
+static struct input_dev input_dev = {
+	.name = "Wistron laptop buttons",
+};
+
+static void __init setup_input_dev(void)
+{
+	const struct key_entry *key;
+
+	for (key = keymap; key->type != KE_END; key++) {
+		if (key->type == KE_KEY) {
+			input_dev.evbit[LONG(EV_KEY)] = BIT(EV_KEY);
+			input_dev.keybit[LONG(key->keycode)]
+				|= BIT(key->keycode);
+		}
+	}
+
+	input_register_device(&input_dev);
+}
+
+static void report_key(unsigned keycode)
+{
+	input_report_key(&input_dev, keycode, 1);
+	input_sync(&input_dev);
+	input_report_key(&input_dev, keycode, 0);
+	input_sync(&input_dev);
+}
+
+ /* Driver core */
+
+static int wifi_enabled;
+
+static void poll_bios(unsigned long);
+
+static struct timer_list poll_timer = TIMER_INITIALIZER(poll_bios, 0, 0);
+
+static void handle_key(u8 code)
+{
+	const struct key_entry *key;
+
+	for (key = keymap; key->type != KE_END; key++) {
+		if (code == key->code) {
+			switch (key->type) {
+			case KE_KEY:
+				report_key(key->keycode);
+				break;
+
+			case KE_WIFI:
+				if (have_wifi) {
+					wifi_enabled = !wifi_enabled;
+					bios_wifi_set_state(wifi_enabled);
+				}
+				break;
+
+			case KE_END:
+			default:
+				BUG();
+			}
+			return;
+		}
+	}
+	printk(KERN_NOTICE "wistron_btns: Unknown key code %02X\n", code);
+}
+
+static void poll_bios(unsigned long discard)
+{
+	u8 qlen;
+	u16 val;
+
+	for (;;) {
+		qlen = CMOS_READ(cmos_address);
+		if (qlen == 0)
+			break;
+		val = bios_pop_queue();
+		if (val != 0 && !discard)
+			handle_key((u8)val);
+	}
+
+	mod_timer(&poll_timer, jiffies + HZ / POLL_FREQUENCY);
+}
+
+static int __init wb_module_init(void)
+{
+	int err;
+
+	err = select_keymap();
+	if (err)
+		return err;
+	err = map_bios();
+	if (err)
+		return err;
+	bios_attach();
+	cmos_address = bios_get_cmos_address();
+	if (have_wifi) {
+		switch (bios_wifi_get_default_setting()) {
+		case 0x01:
+			wifi_enabled = 0;
+			break;
+
+		case 0x03:
+			wifi_enabled = 1;
+			break;
+
+		default:
+			have_wifi = 0;
+			break;
+		}
+		if (have_wifi)
+			bios_wifi_set_state(wifi_enabled);
+	}
+
+	setup_input_dev();
+
+	poll_bios(1); /* Flush stale event queue and arm timer */
+
+	return 0;
+}
+
+static void __exit wb_module_exit(void)
+{
+	del_timer_sync(&poll_timer);
+	input_unregister_device(&input_dev);
+	bios_detach();
+	unmap_bios();
+}
+
+module_init(wb_module_init);
+module_exit(wb_module_exit);