363 lines
10 KiB
C
363 lines
10 KiB
C
/*
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* acpi.h - ACPI Interface
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*
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* Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
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*
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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*/
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#ifndef _LINUX_ACPI_H
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#define _LINUX_ACPI_H
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#include <linux/ioport.h> /* for struct resource */
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#ifdef CONFIG_ACPI
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#ifndef _LINUX
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#define _LINUX
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#endif
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#include <linux/list.h>
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#include <linux/mod_devicetable.h>
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#include <acpi/acpi.h>
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#include <acpi/acpi_bus.h>
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#include <acpi/acpi_drivers.h>
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#include <acpi/acpi_numa.h>
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#include <asm/acpi.h>
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enum acpi_irq_model_id {
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ACPI_IRQ_MODEL_PIC = 0,
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ACPI_IRQ_MODEL_IOAPIC,
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ACPI_IRQ_MODEL_IOSAPIC,
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ACPI_IRQ_MODEL_PLATFORM,
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ACPI_IRQ_MODEL_COUNT
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};
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extern enum acpi_irq_model_id acpi_irq_model;
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enum acpi_interrupt_id {
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ACPI_INTERRUPT_PMI = 1,
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ACPI_INTERRUPT_INIT,
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ACPI_INTERRUPT_CPEI,
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ACPI_INTERRUPT_COUNT
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};
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#define ACPI_SPACE_MEM 0
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enum acpi_address_range_id {
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ACPI_ADDRESS_RANGE_MEMORY = 1,
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ACPI_ADDRESS_RANGE_RESERVED = 2,
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ACPI_ADDRESS_RANGE_ACPI = 3,
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ACPI_ADDRESS_RANGE_NVS = 4,
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ACPI_ADDRESS_RANGE_COUNT
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};
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/* Table Handlers */
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typedef int (*acpi_table_handler) (struct acpi_table_header *table);
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typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end);
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char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
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void __acpi_unmap_table(char *map, unsigned long size);
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int early_acpi_boot_init(void);
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int acpi_boot_init (void);
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void acpi_boot_table_init (void);
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int acpi_mps_check (void);
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int acpi_numa_init (void);
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int acpi_table_init (void);
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int acpi_table_parse (char *id, acpi_table_handler handler);
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int __init acpi_table_parse_entries(char *id, unsigned long table_size,
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int entry_id, acpi_table_entry_handler handler, unsigned int max_entries);
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int acpi_table_parse_madt (enum acpi_madt_type id, acpi_table_entry_handler handler, unsigned int max_entries);
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int acpi_parse_mcfg (struct acpi_table_header *header);
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void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
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/* the following four functions are architecture-dependent */
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void acpi_numa_slit_init (struct acpi_table_slit *slit);
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void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
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void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
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void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
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void acpi_numa_arch_fixup(void);
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#ifdef CONFIG_ACPI_HOTPLUG_CPU
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/* Arch dependent functions for cpu hotplug support */
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int acpi_map_lsapic(acpi_handle handle, int *pcpu);
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int acpi_unmap_lsapic(int cpu);
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#endif /* CONFIG_ACPI_HOTPLUG_CPU */
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int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
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int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
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void acpi_irq_stats_init(void);
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extern u32 acpi_irq_handled;
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extern u32 acpi_irq_not_handled;
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extern int sbf_port;
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extern unsigned long acpi_realmode_flags;
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int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
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int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
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int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
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#ifdef CONFIG_X86_IO_APIC
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extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
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#else
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#define acpi_get_override_irq(gsi, trigger, polarity) (-1)
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#endif
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/*
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* This function undoes the effect of one call to acpi_register_gsi().
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* If this matches the last registration, any IRQ resources for gsi
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* are freed.
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*/
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void acpi_unregister_gsi (u32 gsi);
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struct pci_dev;
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int acpi_pci_irq_enable (struct pci_dev *dev);
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void acpi_penalize_isa_irq(int irq, int active);
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void acpi_pci_irq_disable (struct pci_dev *dev);
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struct acpi_pci_driver {
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struct acpi_pci_driver *next;
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int (*add)(acpi_handle handle);
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void (*remove)(acpi_handle handle);
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};
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int acpi_pci_register_driver(struct acpi_pci_driver *driver);
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void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
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extern int ec_read(u8 addr, u8 *val);
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extern int ec_write(u8 addr, u8 val);
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extern int ec_transaction(u8 command,
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const u8 *wdata, unsigned wdata_len,
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u8 *rdata, unsigned rdata_len,
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int force_poll);
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#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
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typedef void (*wmi_notify_handler) (u32 value, void *context);
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extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
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u32 method_id,
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const struct acpi_buffer *in,
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struct acpi_buffer *out);
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extern acpi_status wmi_query_block(const char *guid, u8 instance,
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struct acpi_buffer *out);
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extern acpi_status wmi_set_block(const char *guid, u8 instance,
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const struct acpi_buffer *in);
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extern acpi_status wmi_install_notify_handler(const char *guid,
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wmi_notify_handler handler, void *data);
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extern acpi_status wmi_remove_notify_handler(const char *guid);
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extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
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extern bool wmi_has_guid(const char *guid);
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#endif /* CONFIG_ACPI_WMI */
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#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
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#define ACPI_VIDEO_DEVICE_POSTING 0x0002
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#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
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#define ACPI_VIDEO_BACKLIGHT 0x0008
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#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
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#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
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#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
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#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
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#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
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#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
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#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
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#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
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#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
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extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle);
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extern long acpi_is_video_device(struct acpi_device *device);
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extern int acpi_video_backlight_support(void);
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extern int acpi_video_display_switch_support(void);
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#else
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static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle)
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{
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return 0;
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}
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static inline long acpi_is_video_device(struct acpi_device *device)
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{
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return 0;
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}
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static inline int acpi_video_backlight_support(void)
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{
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return 0;
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}
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static inline int acpi_video_display_switch_support(void)
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{
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return 0;
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}
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#endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */
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extern int acpi_blacklisted(void);
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extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
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extern void acpi_osi_setup(char *str);
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#ifdef CONFIG_ACPI_NUMA
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int acpi_get_pxm(acpi_handle handle);
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int acpi_get_node(acpi_handle *handle);
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#else
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static inline int acpi_get_pxm(acpi_handle handle)
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{
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return 0;
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}
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static inline int acpi_get_node(acpi_handle *handle)
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{
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return 0;
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}
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#endif
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extern int acpi_paddr_to_node(u64 start_addr, u64 size);
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extern int pnpacpi_disabled;
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#define PXM_INVAL (-1)
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#define NID_INVAL (-1)
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int acpi_check_resource_conflict(const struct resource *res);
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int acpi_check_region(resource_size_t start, resource_size_t n,
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const char *name);
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int acpi_resources_are_enforced(void);
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#ifdef CONFIG_PM_SLEEP
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void __init acpi_no_s4_hw_signature(void);
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void __init acpi_old_suspend_ordering(void);
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void __init acpi_nvs_nosave(void);
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#endif /* CONFIG_PM_SLEEP */
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struct acpi_osc_context {
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char *uuid_str; /* uuid string */
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int rev;
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struct acpi_buffer cap; /* arg2/arg3 */
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struct acpi_buffer ret; /* free by caller if success */
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};
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#define OSC_QUERY_TYPE 0
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#define OSC_SUPPORT_TYPE 1
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#define OSC_CONTROL_TYPE 2
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/* _OSC DW0 Definition */
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#define OSC_QUERY_ENABLE 1
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#define OSC_REQUEST_ERROR 2
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#define OSC_INVALID_UUID_ERROR 4
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#define OSC_INVALID_REVISION_ERROR 8
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#define OSC_CAPABILITIES_MASK_ERROR 16
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acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
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/* platform-wide _OSC bits */
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#define OSC_SB_PAD_SUPPORT 1
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#define OSC_SB_PPC_OST_SUPPORT 2
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#define OSC_SB_PR3_SUPPORT 4
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#define OSC_SB_CPUHP_OST_SUPPORT 8
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#define OSC_SB_APEI_SUPPORT 16
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/* PCI defined _OSC bits */
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/* _OSC DW1 Definition (OS Support Fields) */
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#define OSC_EXT_PCI_CONFIG_SUPPORT 1
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#define OSC_ACTIVE_STATE_PWR_SUPPORT 2
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#define OSC_CLOCK_PWR_CAPABILITY_SUPPORT 4
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#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 8
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#define OSC_MSI_SUPPORT 16
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#define OSC_PCI_SUPPORT_MASKS 0x1f
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/* _OSC DW1 Definition (OS Control Fields) */
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#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 1
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#define OSC_SHPC_NATIVE_HP_CONTROL 2
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#define OSC_PCI_EXPRESS_PME_CONTROL 4
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#define OSC_PCI_EXPRESS_AER_CONTROL 8
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#define OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL 16
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#define OSC_PCI_CONTROL_MASKS (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \
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OSC_SHPC_NATIVE_HP_CONTROL | \
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OSC_PCI_EXPRESS_PME_CONTROL | \
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OSC_PCI_EXPRESS_AER_CONTROL | \
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OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL)
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extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
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u32 *mask, u32 req);
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extern void acpi_early_init(void);
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#else /* !CONFIG_ACPI */
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#define acpi_disabled 1
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static inline void acpi_early_init(void) { }
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static inline int early_acpi_boot_init(void)
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{
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return 0;
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}
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static inline int acpi_boot_init(void)
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{
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return 0;
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}
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static inline void acpi_boot_table_init(void)
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{
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return;
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}
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static inline int acpi_mps_check(void)
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{
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return 0;
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}
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static inline int acpi_check_resource_conflict(struct resource *res)
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{
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return 0;
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}
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static inline int acpi_check_region(resource_size_t start, resource_size_t n,
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const char *name)
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{
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return 0;
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}
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struct acpi_table_header;
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static inline int acpi_table_parse(char *id,
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int (*handler)(struct acpi_table_header *))
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{
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return -1;
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}
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#endif /* !CONFIG_ACPI */
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#ifdef CONFIG_ACPI_SLEEP
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int suspend_nvs_register(unsigned long start, unsigned long size);
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#else
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static inline int suspend_nvs_register(unsigned long a, unsigned long b)
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{
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return 0;
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}
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#endif
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#endif /*_LINUX_ACPI_H*/
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