summaryrefslogtreecommitdiffstats
path: root/drivers/acpi/blacklist.c
blob: ad2c565f5cbe0686e86d51349689ef0f259b2417 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  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>
 */

#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 */