123 lines
2.8 KiB
C
123 lines
2.8 KiB
C
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/* ACPI Bus Manger Interface
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* Copyright 2005, Haiku Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License
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*/
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#ifndef _ACPI_H
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#define _ACPI_H
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#include <bus_manager.h>
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#include <KernelExport.h>
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typedef struct acpi_module_info acpi_module_info;
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typedef struct acpi_object_type acpi_object_type;
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struct acpi_module_info {
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bus_manager_info binfo;
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/* Fixed Event Management */
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void (*enable_fixed_event) (uint32 event);
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void (*disable_fixed_event) (uint32 event);
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uint32 (*fixed_event_status) (uint32 event);
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/* Returns 1 if event set, 0 otherwise */
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void (*reset_fixed_event) (uint32 event);
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status_t (*install_fixed_event_handler) (uint32 event, interrupt_handler *handler, void *data);
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status_t (*remove_fixed_event_handler) (uint32 event, interrupt_handler *handler);
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/* Namespace Access */
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status_t (*get_next_entry) (uint32 object_type, const char *base, char *result, size_t len, void **counter);
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status_t (*get_device) (const char *hid, uint32 index, char *result);
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status_t (*get_device_hid) (const char *path, char *hid);
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uint32 (*get_object_type) (const char *path);
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/* Control method execution and data acquisition */
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status_t (*evaluate_object) (const char *object, acpi_object_type *return_value, size_t buf_len);
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status_t (*evaluate_method) (const char *object, const char *method, acpi_object_type *return_value, size_t buf_len, acpi_object_type *args, int num_args);
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/* Power state setting */
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status_t (*enter_sleep_state) (uint8 state);
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/* Sleep state values:
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0: On (Working)
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1: Sleep
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2: Software Off
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3: Mechanical Off
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4: Hibernate
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5: Software Off */
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};
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#ifndef __ACTYPES_H__
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/* ACPI fixed event types */
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enum {
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ACPI_EVENT_PMTIMER = 0,
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ACPI_EVENT_GLOBAL,
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ACPI_EVENT_POWER_BUTTON,
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ACPI_EVENT_SLEEP_BUTTON,
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ACPI_EVENT_RTC
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};
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/* ACPI Object Types */
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enum {
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ACPI_TYPE_ANY = 0,
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ACPI_TYPE_INTEGER,
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ACPI_TYPE_STRING,
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ACPI_TYPE_BUFFER,
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ACPI_TYPE_PACKAGE,
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ACPI_TYPE_FIELD_UNIT,
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ACPI_TYPE_DEVICE,
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ACPI_TYPE_EVENT,
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ACPI_TYPE_METHOD,
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ACPI_TYPE_MUTEX,
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ACPI_TYPE_REGION,
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ACPI_TYPE_POWER,
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ACPI_TYPE_PROCESSOR,
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ACPI_TYPE_THERMAL,
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ACPI_TYPE_BUFFER_FIELD
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};
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/* ACPI control method arg type */
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struct acpi_object_type {
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uint32 object_type;
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union {
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uint32 integer;
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struct {
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uint32 len;
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char *string; /* You have to allocate string space yourself */
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} string;
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struct {
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size_t length;
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void *buffer;
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} buffer;
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struct {
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uint32 count;
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acpi_object_type *objects;
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} package;
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struct {
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uint32 cpu_id;
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int pblk_address;
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size_t pblk_length;
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} processor;
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struct {
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uint32 min_power_state;
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uint32 resource_order;
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} power_resource;
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} data;
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};
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#endif
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#define B_ACPI_MODULE_NAME "bus_managers/acpi/v1"
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#endif /* _ACPI_H */
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