haiku/headers/os/drivers/ACPI.h
Nathan Whitehorn 6d92b10268 Upgraded the bus manager interface. It's now capable enough to start actually doing interesting things, like power management, thermal stuff, and hyperthreading.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@11891 a95241bf-73f2-0310-859d-f6bbb57e9c96
2005-03-18 00:41:53 +00:00

123 lines
2.8 KiB
C

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