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- #define pr_fmt(fmt) "ACPI: " fmt
- #include <linux/module.h>
- #include <linux/kernel.h>
- #include <linux/acpi.h>
- #include <linux/dmi.h>
- #include <linux/platform_data/x86/apple.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') {
-
- 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)
- {
-
- osi_config.darwin_dmi = 0;
- osi_config.darwin_cmdline = 1;
- __acpi_osi_setup_darwin(enable);
- }
- 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)
- {
-
- osi_config.linux_dmi = 0;
- osi_config.linux_cmdline = 1;
- __acpi_osi_setup_linux(enable);
- }
- 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(void)
- {
- pr_notice("DMI detected to setup _OSI(\"Darwin\"): Apple hardware\n");
- osi_config.darwin_dmi = 1;
- __acpi_osi_setup_darwin(true);
- }
- static 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_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;
- }
- static const struct dmi_system_id acpi_osi_dmi_table[] __initconst = {
- {
- .callback = dmi_disable_osi_vista,
- .ident = "Fujitsu Siemens",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
- DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
- },
- },
- {
-
- .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"),
- },
- },
-
- {
- .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"),
- },
- },
-
-
- {
- .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"),
- },
- },
- {}
- };
- static __init void acpi_osi_dmi_blacklisted(void)
- {
- dmi_check_system(acpi_osi_dmi_table);
-
- if (x86_apple_machine)
- acpi_osi_dmi_darwin();
- }
- 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;
- }
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