Commit e5f660eb authored by Lv Zheng's avatar Lv Zheng Committed by Rafael J. Wysocki
Browse files

ACPI / osi: Collect _OSI handling into one single file 



_OSI handling code grows giant and it's time to move them into one file.

This patch collects all _OSI handling code into one single file.
So that we only have the following functions to be used externally:

 early_acpi_osi_init(): Used by DMI detections;
 acpi_osi_init(): Used to initialize OSI command line settings and install
                  Linux specific _OSI handler;
 acpi_osi_setup(): The API that should be used by the external quirks.
 acpi_osi_is_win8(): The API is used by the external drivers to determine
                     if BIOS supports Win8.

CONFIG_DMI is not useful as stub dmi_check_system() can make everything
stub because of strip.

No functional changes.

Tested-by: default avatarLukas Wunner <lukas@wunner.de>
Tested-by: default avatarChen Yu <yu.c.chen@intel.com>
Signed-off-by: default avatarLv Zheng <lv.zheng@intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent d5a91d74

drivers/acpi/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -18,7 +18,7 @@ obj-$(CONFIG_ACPI) += acpi.o \ 
					acpica/



# All the builtin files are in the "acpi." module_param namespace.

acpi-y				+= osl.o utils.o reboot.o

acpi-y				+= osi.o osl.o utils.o reboot.o

acpi-y				+= nvs.o



# Power management related files

drivers/acpi/blacklist.c

+5 −214
Original line number Diff line number Diff line
@@ -3,7 +3,7 @@ 
 *

 *  Check to see if the given machine has a known bad ACPI BIOS

 *  or if the BIOS is too old.

 *  Check given machine against acpi_osi_dmi_table[].

 *  Check given machine against acpi_rev_dmi_table[].

 *

 *  Copyright (C) 2004 Len Brown <len.brown@intel.com>

 *  Copyright (C) 2002 Andy Grover <andrew.grover@intel.com>
@@ -47,7 +47,7 @@ struct acpi_blacklist_item { 
	u32 is_critical_error;

};



static struct dmi_system_id acpi_osi_dmi_table[] __initdata;

static struct dmi_system_id acpi_rev_dmi_table[] __initdata;



/*

 * POLICY: If *anything* doesn't work, put it on the blacklist.
@@ -128,41 +128,12 @@ int __init acpi_blacklisted(void) 
		}

	}



	dmi_check_system(acpi_osi_dmi_table);

	(void)early_acpi_osi_init();

	dmi_check_system(acpi_rev_dmi_table);



	return blacklisted;

}

#ifdef CONFIG_DMI

static int __init dmi_enable_osi_darwin(const struct dmi_system_id *d)

{

	acpi_osi_dmi_darwin(true, d);

	return 0;

}

static int __init dmi_enable_osi_linux(const struct dmi_system_id *d)

{

	acpi_osi_dmi_linux(true, d);

	return 0;

}

static int __init dmi_disable_osi_vista(const struct dmi_system_id *d)

{

	pr_notice(PREFIX "DMI detected: %s\n", d->ident);

	acpi_osi_setup("!Windows 2006");

	acpi_osi_setup("!Windows 2006 SP1");

	acpi_osi_setup("!Windows 2006 SP2");

	return 0;

}

static int __init dmi_disable_osi_win7(const struct dmi_system_id *d)

{

	pr_notice(PREFIX "DMI detected: %s\n", d->ident);

	acpi_osi_setup("!Windows 2009");

	return 0;

}

static int __init dmi_disable_osi_win8(const struct dmi_system_id *d)

{

	pr_notice(PREFIX "DMI detected: %s\n", d->ident);

	acpi_osi_setup("!Windows 2012");

	return 0;

}

#ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE

static int __init dmi_enable_rev_override(const struct dmi_system_id *d)

{
@@ -173,187 +144,7 @@ static int __init dmi_enable_rev_override(const struct dmi_system_id *d) 
}

#endif



static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {

	{

	.callback = dmi_disable_osi_vista,

	.ident = "Fujitsu Siemens",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),

		     DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),

		},

	},

	{

	/*

	 * There have a NVIF method in MSI GX723 DSDT need call by Nvidia

	 * driver (e.g. nouveau) when user press brightness hotkey.

	 * Currently, nouveau driver didn't do the job and it causes there

	 * have a infinite while loop in DSDT when user press hotkey.

	 * We add MSI GX723's dmi information to this table for workaround

	 * this issue.

	 * Will remove MSI GX723 from the table after nouveau grows support.

	 */

	.callback = dmi_disable_osi_vista,

	.ident = "MSI GX723",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),

		     DMI_MATCH(DMI_PRODUCT_NAME, "GX723"),

		},

	},

	{

	.callback = dmi_disable_osi_vista,

	.ident = "Sony VGN-NS10J_S",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),

		     DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS10J_S"),

		},

	},

	{

	.callback = dmi_disable_osi_vista,

	.ident = "Sony VGN-SR290J",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),

		     DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR290J"),

		},

	},

	{

	.callback = dmi_disable_osi_vista,

	.ident = "VGN-NS50B_L",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),

		     DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS50B_L"),

		},

	},

	{

	.callback = dmi_disable_osi_vista,

	.ident = "VGN-SR19XN",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),

		     DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR19XN"),

		},

	},

	{

	.callback = dmi_disable_osi_vista,

	.ident = "Toshiba Satellite L355",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),

		     DMI_MATCH(DMI_PRODUCT_VERSION, "Satellite L355"),

		},

	},

	{

	.callback = dmi_disable_osi_win7,

	.ident = "ASUS K50IJ",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),

		     DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"),

		},

	},

	{

	.callback = dmi_disable_osi_vista,

	.ident = "Toshiba P305D",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),

		     DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P305D"),

		},

	},

	{

	.callback = dmi_disable_osi_vista,

	.ident = "Toshiba NB100",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),

		     DMI_MATCH(DMI_PRODUCT_NAME, "NB100"),

		},

	},



	/*

	 * The wireless hotkey does not work on those machines when

	 * returning true for _OSI("Windows 2012")

	 */

	{

	.callback = dmi_disable_osi_win8,

	.ident = "Dell Inspiron 7737",

	.matches = {

		    DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),

		    DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7737"),

		},

	},

	{

	.callback = dmi_disable_osi_win8,

	.ident = "Dell Inspiron 7537",

	.matches = {

		    DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),

		    DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7537"),

		},

	},

	{

	.callback = dmi_disable_osi_win8,

	.ident = "Dell Inspiron 5437",

	.matches = {

		    DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),

		    DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5437"),

		},

	},

	{

	.callback = dmi_disable_osi_win8,

	.ident = "Dell Inspiron 3437",

	.matches = {

		    DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),

		    DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 3437"),

		},

	},

	{

	.callback = dmi_disable_osi_win8,

	.ident = "Dell Vostro 3446",

	.matches = {

		    DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),

		    DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3446"),

		},

	},

	{

	.callback = dmi_disable_osi_win8,

	.ident = "Dell Vostro 3546",

	.matches = {

		    DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),

		    DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3546"),

		},

	},



	/*

	 * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.

	 * Linux ignores it, except for the machines enumerated below.

	 */



	/*

	 * Without this this EEEpc exports a non working WMI interface, with

	 * this it exports a working "good old" eeepc_laptop interface, fixing

	 * both brightness control, and rfkill not working.

	 */

	{

	.callback = dmi_enable_osi_linux,

	.ident = "Asus EEE PC 1015PX",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."),

		     DMI_MATCH(DMI_PRODUCT_NAME, "1015PX"),

		},

	},



	/*

	 * Enable _OSI("Darwin") for all apple platforms.

	 */

	{

	.callback = dmi_enable_osi_darwin,

	.ident = "Apple hardware",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),

		},

	},

	{

	.callback = dmi_enable_osi_darwin,

	.ident = "Apple hardware",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "Apple Computer, Inc."),

		},

	},



static struct dmi_system_id acpi_rev_dmi_table[] __initdata = {

#ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE

	/*

	 * DELL XPS 13 (2015) switches sound between HDA and I2S

drivers/acpi/internal.h

+2 −0
Original line number Diff line number Diff line
@@ -20,6 +20,8 @@ 


#define PREFIX "ACPI: "



int early_acpi_osi_init(void);

int acpi_osi_init(void);

void acpi_initrd_initialize_tables(void);

acpi_status acpi_os_initialize1(void);

void init_acpi_device_notify(void);

drivers/acpi/osi.c

0 → 100644
+522 −0
Original line number Diff line number Diff line 
/*

 *  osi.c - _OSI implementation

 *

 *  Copyright (C) 2016 Intel Corporation

 *    Author: Lv Zheng <lv.zheng@intel.com>

 *

 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

 *

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *  the Free Software Foundation; either version 2 of the License, or (at

 *  your option) any later version.

 *

 *  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.

 *

 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

 */



/* Uncomment next line to get verbose printout */

/* #define DEBUG */

#define pr_fmt(fmt) "ACPI: " fmt



#include <linux/module.h>

#include <linux/kernel.h>

#include <linux/acpi.h>

#include <linux/dmi.h>



#include "internal.h"





#define OSI_STRING_LENGTH_MAX	64

#define OSI_STRING_ENTRIES_MAX	16



struct acpi_osi_entry {

	char string[OSI_STRING_LENGTH_MAX];

	bool enable;

};



static struct acpi_osi_config {

	u8		default_disabling;

	unsigned int	linux_enable:1;

	unsigned int	linux_dmi:1;

	unsigned int	linux_cmdline:1;

	unsigned int	darwin_enable:1;

	unsigned int	darwin_dmi:1;

	unsigned int	darwin_cmdline:1;

} osi_config;



static struct acpi_osi_config osi_config;

static struct acpi_osi_entry

osi_setup_entries[OSI_STRING_ENTRIES_MAX] __initdata = {

	{"Module Device", true},

	{"Processor Device", true},

	{"3.0 _SCP Extensions", true},

	{"Processor Aggregator Device", true},

};



static u32 acpi_osi_handler(acpi_string interface, u32 supported)

{

	if (!strcmp("Linux", interface)) {

		pr_notice_once(FW_BUG

			"BIOS _OSI(Linux) query %s%s\n",

			osi_config.linux_enable ? "honored" : "ignored",

			osi_config.linux_cmdline ? " via cmdline" :

			osi_config.linux_dmi ? " via DMI" : "");

	}

	if (!strcmp("Darwin", interface)) {

		pr_notice_once(

			"BIOS _OSI(Darwin) query %s%s\n",

			osi_config.darwin_enable ? "honored" : "ignored",

			osi_config.darwin_cmdline ? " via cmdline" :

			osi_config.darwin_dmi ? " via DMI" : "");

	}



	return supported;

}



void __init acpi_osi_setup(char *str)

{

	struct acpi_osi_entry *osi;

	bool enable = true;

	int i;



	if (!acpi_gbl_create_osi_method)

		return;



	if (str == NULL || *str == '\0') {

		pr_info("_OSI method disabled\n");

		acpi_gbl_create_osi_method = FALSE;

		return;

	}



	if (*str == '!') {

		str++;

		if (*str == '\0') {

			/* Do not override acpi_osi=!* */

			if (!osi_config.default_disabling)

				osi_config.default_disabling =

					ACPI_DISABLE_ALL_VENDOR_STRINGS;

			return;

		} else if (*str == '*') {

			osi_config.default_disabling = ACPI_DISABLE_ALL_STRINGS;

			for (i = 0; i < OSI_STRING_ENTRIES_MAX; i++) {

				osi = &osi_setup_entries[i];

				osi->enable = false;

			}

			return;

		} else if (*str == '!') {

			osi_config.default_disabling = 0;

			return;

		}

		enable = false;

	}



	for (i = 0; i < OSI_STRING_ENTRIES_MAX; i++) {

		osi = &osi_setup_entries[i];

		if (!strcmp(osi->string, str)) {

			osi->enable = enable;

			break;

		} else if (osi->string[0] == '\0') {

			osi->enable = enable;

			strncpy(osi->string, str, OSI_STRING_LENGTH_MAX);

			break;

		}

	}

}



static void __init __acpi_osi_setup_darwin(bool enable)

{

	osi_config.darwin_enable = !!enable;

	if (enable) {

		acpi_osi_setup("!");

		acpi_osi_setup("Darwin");

	} else {

		acpi_osi_setup("!!");

		acpi_osi_setup("!Darwin");

	}

}



static void __init acpi_osi_setup_darwin(bool enable)

{

	/* Override acpi_osi_dmi_blacklisted() */

	osi_config.darwin_dmi = 0;

	osi_config.darwin_cmdline = 1;

	__acpi_osi_setup_darwin(enable);

}



/*

 * The story of _OSI(Linux)

 *

 * From pre-history through Linux-2.6.22, Linux responded TRUE upon a BIOS

 * OSI(Linux) query.

 *

 * Unfortunately, reference BIOS writers got wind of this and put

 * OSI(Linux) in their example code, quickly exposing this string as

 * ill-conceived and opening the door to an un-bounded number of BIOS

 * incompatibilities.

 *

 * For example, OSI(Linux) was used on resume to re-POST a video card on

 * one system, because Linux at that time could not do a speedy restore in

 * its native driver. But then upon gaining quick native restore

 * capability, Linux has no way to tell the BIOS to skip the time-consuming

 * POST -- putting Linux at a permanent performance disadvantage. On

 * another system, the BIOS writer used OSI(Linux) to infer native OS

 * support for IPMI!  On other systems, OSI(Linux) simply got in the way of

 * Linux claiming to be compatible with other operating systems, exposing

 * BIOS issues such as skipped device initialization.

 *

 * So "Linux" turned out to be a really poor chose of OSI string, and from

 * Linux-2.6.23 onward we respond FALSE.

 *

 * BIOS writers should NOT query _OSI(Linux) on future systems. Linux will

 * complain on the console when it sees it, and return FALSE. To get Linux

 * to return TRUE for your system  will require a kernel source update to

 * add a DMI entry, or boot with "acpi_osi=Linux"

 */

static void __init __acpi_osi_setup_linux(bool enable)

{

	osi_config.linux_enable = !!enable;

	if (enable)

		acpi_osi_setup("Linux");

	else

		acpi_osi_setup("!Linux");

}



static void __init acpi_osi_setup_linux(bool enable)

{

	/* Override acpi_osi_dmi_blacklisted() */

	osi_config.linux_dmi = 0;

	osi_config.linux_cmdline = 1;

	__acpi_osi_setup_linux(enable);

}



/*

 * Modify the list of "OS Interfaces" reported to BIOS via _OSI

 *

 * empty string disables _OSI

 * string starting with '!' disables that string

 * otherwise string is added to list, augmenting built-in strings

 */

static void __init acpi_osi_setup_late(void)

{

	struct acpi_osi_entry *osi;

	char *str;

	int i;

	acpi_status status;



	if (osi_config.default_disabling) {

		status = acpi_update_interfaces(osi_config.default_disabling);

		if (ACPI_SUCCESS(status))

			pr_info("Disabled all _OSI OS vendors%s\n",

				osi_config.default_disabling ==

				ACPI_DISABLE_ALL_STRINGS ?

				" and feature groups" : "");

	}



	for (i = 0; i < OSI_STRING_ENTRIES_MAX; i++) {

		osi = &osi_setup_entries[i];

		str = osi->string;

		if (*str == '\0')

			break;

		if (osi->enable) {

			status = acpi_install_interface(str);

			if (ACPI_SUCCESS(status))

				pr_info("Added _OSI(%s)\n", str);

		} else {

			status = acpi_remove_interface(str);

			if (ACPI_SUCCESS(status))

				pr_info("Deleted _OSI(%s)\n", str);

		}

	}

}



static int __init osi_setup(char *str)

{

	if (str && !strcmp("Linux", str))

		acpi_osi_setup_linux(true);

	else if (str && !strcmp("!Linux", str))

		acpi_osi_setup_linux(false);

	else if (str && !strcmp("Darwin", str))

		acpi_osi_setup_darwin(true);

	else if (str && !strcmp("!Darwin", str))

		acpi_osi_setup_darwin(false);

	else

		acpi_osi_setup(str);



	return 1;

}

__setup("acpi_osi=", osi_setup);



bool acpi_osi_is_win8(void)

{

	return acpi_gbl_osi_data >= ACPI_OSI_WIN_8;

}

EXPORT_SYMBOL(acpi_osi_is_win8);



static void __init acpi_osi_dmi_darwin(bool enable,

				       const struct dmi_system_id *d)

{

	pr_notice("DMI detected to setup _OSI(\"Darwin\"): %s\n", d->ident);

	osi_config.darwin_dmi = 1;

	__acpi_osi_setup_darwin(enable);

}



void __init acpi_osi_dmi_linux(bool enable, const struct dmi_system_id *d)

{

	pr_notice("DMI detected to setup _OSI(\"Linux\"): %s\n", d->ident);

	osi_config.linux_dmi = 1;

	__acpi_osi_setup_linux(enable);

}



static int __init dmi_enable_osi_darwin(const struct dmi_system_id *d)

{

	acpi_osi_dmi_darwin(true, d);



	return 0;

}



static int __init dmi_enable_osi_linux(const struct dmi_system_id *d)

{

	acpi_osi_dmi_linux(true, d);



	return 0;

}



static int __init dmi_disable_osi_vista(const struct dmi_system_id *d)

{

	pr_notice("DMI detected: %s\n", d->ident);

	acpi_osi_setup("!Windows 2006");

	acpi_osi_setup("!Windows 2006 SP1");

	acpi_osi_setup("!Windows 2006 SP2");



	return 0;

}



static int __init dmi_disable_osi_win7(const struct dmi_system_id *d)

{

	pr_notice("DMI detected: %s\n", d->ident);

	acpi_osi_setup("!Windows 2009");



	return 0;

}



static int __init dmi_disable_osi_win8(const struct dmi_system_id *d)

{

	pr_notice("DMI detected: %s\n", d->ident);

	acpi_osi_setup("!Windows 2012");



	return 0;

}



/*

 * Linux default _OSI response behavior is determined by this DMI table.

 *

 * Note that _OSI("Linux")/_OSI("Darwin") determined here can be overridden

 * by acpi_osi=!Linux/acpi_osi=!Darwin command line options.

 */

static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {

	{

	.callback = dmi_disable_osi_vista,

	.ident = "Fujitsu Siemens",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),

		     DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),

		},

	},

	{

	/*

	 * There have a NVIF method in MSI GX723 DSDT need call by Nvidia

	 * driver (e.g. nouveau) when user press brightness hotkey.

	 * Currently, nouveau driver didn't do the job and it causes there

	 * have a infinite while loop in DSDT when user press hotkey.

	 * We add MSI GX723's dmi information to this table for workaround

	 * this issue.

	 * Will remove MSI GX723 from the table after nouveau grows support.

	 */

	.callback = dmi_disable_osi_vista,

	.ident = "MSI GX723",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),

		     DMI_MATCH(DMI_PRODUCT_NAME, "GX723"),

		},

	},

	{

	.callback = dmi_disable_osi_vista,

	.ident = "Sony VGN-NS10J_S",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),

		     DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS10J_S"),

		},

	},

	{

	.callback = dmi_disable_osi_vista,

	.ident = "Sony VGN-SR290J",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),

		     DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR290J"),

		},

	},

	{

	.callback = dmi_disable_osi_vista,

	.ident = "VGN-NS50B_L",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),

		     DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS50B_L"),

		},

	},

	{

	.callback = dmi_disable_osi_vista,

	.ident = "VGN-SR19XN",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),

		     DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR19XN"),

		},

	},

	{

	.callback = dmi_disable_osi_vista,

	.ident = "Toshiba Satellite L355",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),

		     DMI_MATCH(DMI_PRODUCT_VERSION, "Satellite L355"),

		},

	},

	{

	.callback = dmi_disable_osi_win7,

	.ident = "ASUS K50IJ",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),

		     DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"),

		},

	},

	{

	.callback = dmi_disable_osi_vista,

	.ident = "Toshiba P305D",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),

		     DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P305D"),

		},

	},

	{

	.callback = dmi_disable_osi_vista,

	.ident = "Toshiba NB100",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),

		     DMI_MATCH(DMI_PRODUCT_NAME, "NB100"),

		},

	},



	/*

	 * The wireless hotkey does not work on those machines when

	 * returning true for _OSI("Windows 2012")

	 */

	{

	.callback = dmi_disable_osi_win8,

	.ident = "Dell Inspiron 7737",

	.matches = {

		    DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),

		    DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7737"),

		},

	},

	{

	.callback = dmi_disable_osi_win8,

	.ident = "Dell Inspiron 7537",

	.matches = {

		    DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),

		    DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7537"),

		},

	},

	{

	.callback = dmi_disable_osi_win8,

	.ident = "Dell Inspiron 5437",

	.matches = {

		    DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),

		    DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5437"),

		},

	},

	{

	.callback = dmi_disable_osi_win8,

	.ident = "Dell Inspiron 3437",

	.matches = {

		    DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),

		    DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 3437"),

		},

	},

	{

	.callback = dmi_disable_osi_win8,

	.ident = "Dell Vostro 3446",

	.matches = {

		    DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),

		    DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3446"),

		},

	},

	{

	.callback = dmi_disable_osi_win8,

	.ident = "Dell Vostro 3546",

	.matches = {

		    DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),

		    DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3546"),

		},

	},



	/*

	 * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.

	 * Linux ignores it, except for the machines enumerated below.

	 */



	/*

	 * Without this this EEEpc exports a non working WMI interface, with

	 * this it exports a working "good old" eeepc_laptop interface, fixing

	 * both brightness control, and rfkill not working.

	 */

	{

	.callback = dmi_enable_osi_linux,

	.ident = "Asus EEE PC 1015PX",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."),

		     DMI_MATCH(DMI_PRODUCT_NAME, "1015PX"),

		},

	},



	/*

	 * Enable _OSI("Darwin") for all apple platforms.

	 */

	{

	.callback = dmi_enable_osi_darwin,

	.ident = "Apple hardware",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),

		},

	},

	{

	.callback = dmi_enable_osi_darwin,

	.ident = "Apple hardware",

	.matches = {

		     DMI_MATCH(DMI_SYS_VENDOR, "Apple Computer, Inc."),

		},

	},

	{}

};



static __init void acpi_osi_dmi_blacklisted(void)

{

	dmi_check_system(acpi_osi_dmi_table);

}



int __init early_acpi_osi_init(void)

{

	acpi_osi_dmi_blacklisted();



	return 0;

}



int __init acpi_osi_init(void)

{

	acpi_install_interface_handler(acpi_osi_handler);

	acpi_osi_setup_late();



	return 0;

}

drivers/acpi/osl.c

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