/* * acpi.h - ACPI Interface * * Copyright (C) 2001 Paul Diefenbaugh * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * 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. * * 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 * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ #ifndef _LINUX_ACPI_H #define _LINUX_ACPI_H #include /* for struct resource */ #ifdef CONFIG_ACPI #ifndef _LINUX #define _LINUX #endif #include #include #include #include #include #include #include enum acpi_irq_model_id { ACPI_IRQ_MODEL_PIC = 0, ACPI_IRQ_MODEL_IOAPIC, ACPI_IRQ_MODEL_IOSAPIC, ACPI_IRQ_MODEL_PLATFORM, ACPI_IRQ_MODEL_COUNT }; extern enum acpi_irq_model_id acpi_irq_model; enum acpi_interrupt_id { ACPI_INTERRUPT_PMI = 1, ACPI_INTERRUPT_INIT, ACPI_INTERRUPT_CPEI, ACPI_INTERRUPT_COUNT }; #define ACPI_SPACE_MEM 0 enum acpi_address_range_id { ACPI_ADDRESS_RANGE_MEMORY = 1, ACPI_ADDRESS_RANGE_RESERVED = 2, ACPI_ADDRESS_RANGE_ACPI = 3, ACPI_ADDRESS_RANGE_NVS = 4, ACPI_ADDRESS_RANGE_COUNT }; /* Table Handlers */ typedef int (*acpi_table_handler) (struct acpi_table_header *table); typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end); char * __acpi_map_table (unsigned long phys_addr, unsigned long size); void __acpi_unmap_table(char *map, unsigned long size); int early_acpi_boot_init(void); int acpi_boot_init (void); void acpi_boot_table_init (void); int acpi_mps_check (void); int acpi_numa_init (void); int acpi_table_init (void); int acpi_table_parse (char *id, acpi_table_handler handler); int __init acpi_table_parse_entries(char *id, unsigned long table_size, int entry_id, acpi_table_entry_handler handler, unsigned int max_entries); int acpi_table_parse_madt (enum acpi_madt_type id, acpi_table_entry_handler handler, unsigned int max_entries); int acpi_parse_mcfg (struct acpi_table_header *header); void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); /* the following four functions are architecture-dependent */ void acpi_numa_slit_init (struct acpi_table_slit *slit); void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); void acpi_numa_arch_fixup(void); #ifdef CONFIG_ACPI_HOTPLUG_CPU /* Arch dependent functions for cpu hotplug support */ int acpi_map_lsapic(acpi_handle handle, int *pcpu); int acpi_unmap_lsapic(int cpu); #endif /* CONFIG_ACPI_HOTPLUG_CPU */ int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); void acpi_irq_stats_init(void); extern u32 acpi_irq_handled; extern u32 acpi_irq_not_handled; extern int sbf_port; extern unsigned long acpi_realmode_flags; int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); #ifdef CONFIG_X86_IO_APIC extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); #else #define acpi_get_override_irq(gsi, trigger, polarity) (-1) #endif /* * This function undoes the effect of one call to acpi_register_gsi(). * If this matches the last registration, any IRQ resources for gsi * are freed. */ void acpi_unregister_gsi (u32 gsi); struct pci_dev; int acpi_pci_irq_enable (struct pci_dev *dev); void acpi_penalize_isa_irq(int irq, int active); void acpi_pci_irq_disable (struct pci_dev *dev); struct acpi_pci_driver { struct acpi_pci_driver *next; int (*add)(acpi_handle handle); void (*remove)(acpi_handle handle); }; int acpi_pci_register_driver(struct acpi_pci_driver *driver); void acpi_pci_unregister_driver(struct acpi_pci_driver *driver); extern int ec_read(u8 addr, u8 *val); extern int ec_write(u8 addr, u8 val); extern int ec_transaction(u8 command, const u8 *wdata, unsigned wdata_len, u8 *rdata, unsigned rdata_len, int force_poll); #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) typedef void (*wmi_notify_handler) (u32 value, void *context); extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, u32 method_id, const struct acpi_buffer *in, struct acpi_buffer *out); extern acpi_status wmi_query_block(const char *guid, u8 instance, struct acpi_buffer *out); extern acpi_status wmi_set_block(const char *guid, u8 instance, const struct acpi_buffer *in); extern acpi_status wmi_install_notify_handler(const char *guid, wmi_notify_handler handler, void *data); extern acpi_status wmi_remove_notify_handler(const char *guid); extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); extern bool wmi_has_guid(const char *guid); #endif /* CONFIG_ACPI_WMI */ #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 #define ACPI_VIDEO_DEVICE_POSTING 0x0002 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004 #define ACPI_VIDEO_BACKLIGHT 0x0008 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle); extern long acpi_is_video_device(struct acpi_device *device); extern int acpi_video_backlight_support(void); extern int acpi_video_display_switch_support(void); #else static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle) { return 0; } static inline long acpi_is_video_device(struct acpi_device *device) { return 0; } static inline int acpi_video_backlight_support(void) { return 0; } static inline int acpi_video_display_switch_support(void) { return 0; } #endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */ extern int acpi_blacklisted(void); extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d); extern void acpi_osi_setup(char *str); #ifdef CONFIG_ACPI_NUMA int acpi_get_pxm(acpi_handle handle); int acpi_get_node(acpi_handle *handle); #else static inline int acpi_get_pxm(acpi_handle handle) { return 0; } static inline int acpi_get_node(acpi_handle *handle) { return 0; } #endif extern int acpi_paddr_to_node(u64 start_addr, u64 size); extern int pnpacpi_disabled; #define PXM_INVAL (-1) #define NID_INVAL (-1) int acpi_check_resource_conflict(const struct resource *res); int acpi_check_region(resource_size_t start, resource_size_t n, const char *name); int acpi_resources_are_enforced(void); #ifdef CONFIG_PM_SLEEP void __init acpi_no_s4_hw_signature(void); void __init acpi_old_suspend_ordering(void); void __init acpi_nvs_nosave(void); #endif /* CONFIG_PM_SLEEP */ #ifdef CONFIG_ACPI_SLEEP int suspend_nvs_register(unsigned long start, unsigned long size); #else static inline int suspend_nvs_register(unsigned long a, unsigned long b) { return 0; } #endif struct acpi_osc_context { char *uuid_str; /* uuid string */ int rev; struct acpi_buffer cap; /* arg2/arg3 */ struct acpi_buffer ret; /* free by caller if success */ }; #define OSC_QUERY_TYPE 0 #define OSC_SUPPORT_TYPE 1 #define OSC_CONTROL_TYPE 2 /* _OSC DW0 Definition */ #define OSC_QUERY_ENABLE 1 #define OSC_REQUEST_ERROR 2 #define OSC_INVALID_UUID_ERROR 4 #define OSC_INVALID_REVISION_ERROR 8 #define OSC_CAPABILITIES_MASK_ERROR 16 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); /* platform-wide _OSC bits */ #define OSC_SB_PAD_SUPPORT 1 #define OSC_SB_PPC_OST_SUPPORT 2 #define OSC_SB_PR3_SUPPORT 4 #define OSC_SB_CPUHP_OST_SUPPORT 8 #define OSC_SB_APEI_SUPPORT 16 /* PCI defined _OSC bits */ /* _OSC DW1 Definition (OS Support Fields) */ #define OSC_EXT_PCI_CONFIG_SUPPORT 1 #define OSC_ACTIVE_STATE_PWR_SUPPORT 2 #define OSC_CLOCK_PWR_CAPABILITY_SUPPORT 4 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 8 #define OSC_MSI_SUPPORT 16 #define OSC_PCI_SUPPORT_MASKS 0x1f /* _OSC DW1 Definition (OS Control Fields) */ #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 1 #define OSC_SHPC_NATIVE_HP_CONTROL 2 #define OSC_PCI_EXPRESS_PME_CONTROL 4 #define OSC_PCI_EXPRESS_AER_CONTROL 8 #define OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL 16 #define OSC_PCI_CONTROL_MASKS (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \ OSC_SHPC_NATIVE_HP_CONTROL | \ OSC_PCI_EXPRESS_PME_CONTROL | \ OSC_PCI_EXPRESS_AER_CONTROL | \ OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL) extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, u32 *mask, u32 req); extern void acpi_early_init(void); int acpi_os_map_generic_address(struct acpi_generic_address *addr); void acpi_os_unmap_generic_address(struct acpi_generic_address *addr); #else /* !CONFIG_ACPI */ #define acpi_disabled 1 static inline void acpi_early_init(void) { } static inline int early_acpi_boot_init(void) { return 0; } static inline int acpi_boot_init(void) { return 0; } static inline void acpi_boot_table_init(void) { return; } static inline int acpi_mps_check(void) { return 0; } static inline int acpi_check_resource_conflict(struct resource *res) { return 0; } static inline int acpi_check_region(resource_size_t start, resource_size_t n, const char *name) { return 0; } struct acpi_table_header; static inline int acpi_table_parse(char *id, int (*handler)(struct acpi_table_header *)) { return -1; } #endif /* !CONFIG_ACPI */ #endif /*_LINUX_ACPI_H*/