[mirror_ubuntu-bionic-kernel.git] / drivers / acpi / blacklist.c

/*
 *  blacklist.c
 *
 *  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_rev_dmi_table[].
 *
 *  Copyright (C) 2004 Len Brown <len.brown@intel.com>
 *  Copyright (C) 2002 Andy Grover <andrew.grover@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.
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/acpi.h>
#include <linux/dmi.h>

#include "internal.h"

static const struct dmi_system_id acpi_rev_dmi_table[] __initconst;

/*
 * POLICY: If *anything* doesn't work, put it on the blacklist.
 *	   If they are critical errors, mark it critical, and abort driver load.
 */
static struct acpi_platform_list acpi_blacklist[] __initdata = {
	/* Compaq Presario 1700 */
	{"PTLTD ", "  DSDT  ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal,
	 "Multiple problems", 1},
	/* Sony FX120, FX140, FX150? */
	{"SONY  ", "U0      ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal,
	 "ACPI driver problem", 1},
	/* Compaq Presario 800, Insyde BIOS */
	{"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal,
	 "Does not use _REG to protect EC OpRegions", 1},
	/* IBM 600E - _ADR should return 7, but it returns 1 */
	{"IBM   ", "TP600E  ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal,
	 "Incorrect _ADR", 1},

	{ }
};

int __init acpi_blacklisted(void)
{
	int i;
	int blacklisted = 0;

	i = acpi_match_platform_list(acpi_blacklist);
	if (i >= 0) {
		pr_err(PREFIX "Vendor \"%6.6s\" System \"%8.8s\" Revision 0x%x has a known ACPI BIOS problem.\n",
		       acpi_blacklist[i].oem_id,
		       acpi_blacklist[i].oem_table_id,
		       acpi_blacklist[i].oem_revision);

		pr_err(PREFIX "Reason: %s. This is a %s error\n",
		       acpi_blacklist[i].reason,
		       (acpi_blacklist[i].data ?
			"non-recoverable" : "recoverable"));

		blacklisted = acpi_blacklist[i].data;
	}

	(void)early_acpi_osi_init();
	dmi_check_system(acpi_rev_dmi_table);

	return blacklisted;
}
#ifdef CONFIG_DMI
#ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE
static int __init dmi_enable_rev_override(const struct dmi_system_id *d)
{
	printk(KERN_NOTICE PREFIX "DMI detected: %s (force ACPI _REV to 5)\n",
	       d->ident);
	acpi_rev_override_setup(NULL);
	return 0;
}
#endif

static const struct dmi_system_id acpi_rev_dmi_table[] __initconst = {
#ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE
	/*
	 * DELL XPS 13 (2015) switches sound between HDA and I2S
	 * depending on the ACPI _REV callback. If userspace supports
	 * I2S sufficiently (or if you do not care about sound), you
	 * can safely disable this quirk.
	 */
	{
	 .callback = dmi_enable_rev_override,
	 .ident = "DELL XPS 13 (2015)",
	 .matches = {
		      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
		      DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9343"),
		},
	},
	{
	 .callback = dmi_enable_rev_override,
	 .ident = "DELL Precision 5520",
	 .matches = {
		      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
		      DMI_MATCH(DMI_PRODUCT_NAME, "Precision 5520"),
		},
	},
	{
	 .callback = dmi_enable_rev_override,
	 .ident = "DELL Precision 3520",
	 .matches = {
		      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
		      DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3520"),
		},
	},
	/*
	 * Resolves a quirk with the Dell Latitude 3350 that
	 * causes the ethernet adapter to not function.
	 */
	{
	 .callback = dmi_enable_rev_override,
	 .ident = "DELL Latitude 3350",
	 .matches = {
		      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
		      DMI_MATCH(DMI_PRODUCT_NAME, "Latitude 3350"),
		},
	},
	{
	 .callback = dmi_enable_rev_override,
	 .ident = "DELL Inspiron 7537",
	 .matches = {
		      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
		      DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7537"),
		},
	},
#endif
	{}
};

#endif /* CONFIG_DMI */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* blacklist.c
	3	*
	4	* Check to see if the given machine has a known bad ACPI BIOS
	5	* or if the BIOS is too old.
e5f660eb	6	* Check given machine against acpi_rev_dmi_table[].
1da177e4 LT	7	*
	8	* Copyright (C) 2004 Len Brown <len.brown@intel.com>
	9	* Copyright (C) 2002 Andy Grover <andrew.grover@intel.com>
	10	*
	11	* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	12	*
	13	* This program is free software; you can redistribute it and/or modify
	14	* it under the terms of the GNU General Public License as published by
	15	* the Free Software Foundation; either version 2 of the License, or (at
	16	* your option) any later version.
	17	*
	18	* This program is distributed in the hope that it will be useful, but
	19	* WITHOUT ANY WARRANTY; without even the implied warranty of
	20	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	21	* General Public License for more details.
	22	*
1da177e4 LT	23	* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	24	*/
	25
1da177e4	26	#include <linux/kernel.h>
1da177e4 LT	27	#include <linux/init.h>
1da177e4 LT	28	#include <linux/acpi.h>
1da177e4 LT	29	#include <linux/dmi.h>
1da177e4 LT	30
a192a958 LB	31	#include "internal.h"
a192a958 LB	32
6faadbbb	33	static const struct dmi_system_id acpi_rev_dmi_table[] __initconst;
d4b7dc49	34
1da177e4 LT	35	/*
	36	* POLICY: If anything doesn't work, put it on the blacklist.
	37	* If they are critical errors, mark it critical, and abort driver load.
	38	*/
5aa5911a	39	static struct acpi_platform_list acpi_blacklist[] __initdata = {
1da177e4	40	/* Compaq Presario 1700 */
ad71860a	41	{"PTLTD ", " DSDT ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal,
4be44fcd	42	"Multiple problems", 1},
1da177e4	43	/* Sony FX120, FX140, FX150? */
ad71860a	44	{"SONY ", "U0 ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal,
4be44fcd	45	"ACPI driver problem", 1},
1da177e4	46	/* Compaq Presario 800, Insyde BIOS */
ad71860a	47	{"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal,
4be44fcd	48	"Does not use _REG to protect EC OpRegions", 1},
1da177e4	49	/* IBM 600E - _ADR should return 7, but it returns 1 */
ad71860a	50	{"IBM ", "TP600E ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal,
4be44fcd	51	"Incorrect _ADR", 1},
1da177e4	52
5aa5911a	53	{ }
1da177e4 LT	54	};
1da177e4 LT	55
4be44fcd	56	int __init acpi_blacklisted(void)
1da177e4	57	{
5aa5911a	58	int i;
1da177e4	59	int blacklisted = 0;
4be44fcd	60
5aa5911a TK	61	i = acpi_match_platform_list(acpi_blacklist);
	62	if (i >= 0) {
	63	pr_err(PREFIX "Vendor \"%6.6s\" System \"%8.8s\" Revision 0x%x has a known ACPI BIOS problem.\n",
	64	acpi_blacklist[i].oem_id,
	65	acpi_blacklist[i].oem_table_id,
	66	acpi_blacklist[i].oem_revision);
4be44fcd	67
5aa5911a TK	68	pr_err(PREFIX "Reason: %s. This is a %s error\n",
	69	acpi_blacklist[i].reason,
	70	(acpi_blacklist[i].data ?
	71	"non-recoverable" : "recoverable"));
1da177e4	72
5aa5911a	73	blacklisted = acpi_blacklist[i].data;
1da177e4 LT	74	}
1da177e4 LT	75
e5f660eb LZ	76	(void)early_acpi_osi_init();
e5f660eb LZ	77	dmi_check_system(acpi_rev_dmi_table);
d4b7dc49	78
1da177e4 LT	79	return blacklisted;
1da177e4 LT	80	}
d4b7dc49	81	#ifdef CONFIG_DMI
18d78b64 RW	82	#ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE
	83	static int __init dmi_enable_rev_override(const struct dmi_system_id *d)
	84	{
	85	printk(KERN_NOTICE PREFIX "DMI detected: %s (force ACPI _REV to 5)\n",
	86	d->ident);
	87	acpi_rev_override_setup(NULL);
	88	return 0;
	89	}
	90	#endif
a1bd4e35	91
6faadbbb	92	static const struct dmi_system_id acpi_rev_dmi_table[] __initconst = {
18d78b64 RW	93	#ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE
	94	/*
	95	* DELL XPS 13 (2015) switches sound between HDA and I2S
	96	* depending on the ACPI _REV callback. If userspace supports
	97	* I2S sufficiently (or if you do not care about sound), you
	98	* can safely disable this quirk.
	99	*/
	100	{
	101	.callback = dmi_enable_rev_override,
	102	.ident = "DELL XPS 13 (2015)",
	103	.matches = {
	104	DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
	105	DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9343"),
	106	},
	107	},
9523b9bf AH	108	{
	109	.callback = dmi_enable_rev_override,
	110	.ident = "DELL Precision 5520",
	111	.matches = {
	112	DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
	113	DMI_MATCH(DMI_PRODUCT_NAME, "Precision 5520"),
	114	},
	115	},
	116	{
	117	.callback = dmi_enable_rev_override,
	118	.ident = "DELL Precision 3520",
	119	.matches = {
	120	DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
	121	DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3520"),
	122	},
	123	},
708f5dcc MP	124	/*
	125	* Resolves a quirk with the Dell Latitude 3350 that
	126	* causes the ethernet adapter to not function.
	127	*/
	128	{
	129	.callback = dmi_enable_rev_override,
	130	.ident = "DELL Latitude 3350",
	131	.matches = {
	132	DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
	133	DMI_MATCH(DMI_PRODUCT_NAME, "Latitude 3350"),
	134	},
	135	},
2cff319e KHF	136	{
	137	.callback = dmi_enable_rev_override,
	138	.ident = "DELL Inspiron 7537",
	139	.matches = {
	140	DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
	141	DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7537"),
	142	},
	143	},
18d78b64	144	#endif
d4b7dc49 LB	145	{}
	146	};
	147
	148	#endif /* CONFIG_DMI */