haiku/headers/os/drivers/ACPI.h

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/*
* Copyright 2005-2008, Haiku Inc. All Rights Reserved.
* Distributed under the terms of the MIT License
*/
#ifndef _ACPI_H
#define _ACPI_H
#include <device_manager.h>
#include <KernelExport.h>
typedef struct acpi_module_info acpi_module_info;
typedef struct acpi_object_type acpi_object_type;
#define B_ACPI_MODULE_NAME "bus_managers/acpi/v1"
typedef addr_t acpi_physical_address;
typedef addr_t acpi_io_address;
typedef size_t acpi_size;
/* Actually a ptr to a NS Node */
typedef void * acpi_handle;
#ifndef __ACTYPES_H__
/* Notify types */
#define ACPI_SYSTEM_NOTIFY 0x1
#define ACPI_DEVICE_NOTIFY 0x2
#define ACPI_ALL_NOTIFY (ACPI_SYSTEM_NOTIFY | ACPI_DEVICE_NOTIFY)
#define ACPI_MAX_NOTIFY_HANDLER_TYPE 0x3
#define ACPI_MAX_SYS_NOTIFY 0x7F
/* Address Space (Operation Region) Types */
enum {
ACPI_ADR_SPACE_SYSTEM_MEMORY = 0,
ACPI_ADR_SPACE_SYSTEM_IO = 1,
ACPI_ADR_SPACE_PCI_CONFIG = 2,
ACPI_ADR_SPACE_EC = 3,
ACPI_ADR_SPACE_SMBUS = 4,
ACPI_ADR_SPACE_CMOS = 5,
ACPI_ADR_SPACE_PCI_BAR_TARGET = 6,
ACPI_ADR_SPACE_IPMI = 7,
ACPI_ADR_SPACE_DATA_TABLE = 8,
ACPI_ADR_SPACE_FIXED_HARDWARE = 127
};
/* 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_TYPE_DDB_HANDLE,
ACPI_TYPE_DEBUG_OBJECT,
ACPI_TYPE_LOCAL_REFERENCE = 0x14
};
/* ACPI control method arg type */
struct acpi_object_type {
uint32 object_type;
union {
uint64 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 actual_type;
acpi_handle handle;
} reference;
struct {
uint32 cpu_id;
int pblk_address;
size_t pblk_length;
} processor;
struct {
uint32 min_power_state;
uint32 resource_order;
} power_resource;
} data;
};
/*
* List of objects, used as a parameter list for control method evaluation
*/
typedef struct acpi_objects {
uint32 count;
acpi_object_type *pointer;
} acpi_objects;
typedef struct acpi_data {
acpi_size length; /* Length in bytes of the buffer */
void *pointer; /* pointer to buffer */
} acpi_data;
enum {
ACPI_ALLOCATE_BUFFER = -1,
ACPI_ALLOCATE_LOCAL_BUFFER = -2,
};
/*
* acpi_status should return ACPI specific error codes, not BeOS ones.
*/
typedef uint32 acpi_status;
#endif // __ACTYPES_H__
typedef uint32 (*acpi_event_handler)(void *Context);
typedef uint32 (*acpi_gpe_handler) (acpi_handle GpeDevice, uint32 GpeNumber,
void *Context);
typedef acpi_status (*acpi_adr_space_handler)(uint32 function,
acpi_physical_address address, uint32 bitWidth, int *value,
void *handlerContext, void *regionContext);
typedef acpi_status (*acpi_adr_space_setup)(acpi_handle regionHandle,
uint32 function, void *handlerContext, void **regionContext);
typedef void (*acpi_notify_handler)(acpi_handle device, uint32 value,
void *context);
struct acpi_module_info {
module_info info;
status_t (*get_handle)(acpi_handle parent, const char *pathname,
acpi_handle *retHandle);
/* Global Lock */
status_t (*acquire_global_lock)(uint16 timeout, uint32 *handle);
status_t (*release_global_lock)(uint32 handle);
/* Notify Handler */
status_t (*install_notify_handler)(acpi_handle device,
uint32 handlerType, acpi_notify_handler handler,
void *context);
status_t (*remove_notify_handler)(acpi_handle device,
uint32 handlerType, acpi_notify_handler handler);
/* GPE Handler */
status_t (*update_all_gpes)();
status_t (*enable_gpe)(acpi_handle handle, uint32 gpeNumber);
status_t (*disable_gpe)(acpi_handle handle, uint32 gpeNumber);
status_t (*clear_gpe)(acpi_handle handle, uint32 gpeNumber);
status_t (*set_gpe)(acpi_handle handle, uint32 gpeNumber,
uint8 action);
status_t (*finish_gpe)(acpi_handle handle, uint32 gpeNumber);
status_t (*install_gpe_handler)(acpi_handle handle, uint32 gpeNumber,
uint32 type, acpi_gpe_handler handler, void *data);
status_t (*remove_gpe_handler)(acpi_handle handle, uint32 gpeNumber,
acpi_gpe_handler address);
/* Address Space Handler */
status_t (*install_address_space_handler)(acpi_handle handle,
uint32 spaceId,
acpi_adr_space_handler handler,
acpi_adr_space_setup setup, void *data);
status_t (*remove_address_space_handler)(acpi_handle handle,
uint32 spaceId,
acpi_adr_space_handler handler);
/* 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 objectType, const char *base,
char *result, size_t length, void **_counter);
status_t (*get_device)(const char *hid, uint32 index, char *result,
size_t resultLength);
status_t (*get_device_hid)(const char *path, char *hid,
size_t hidLength);
uint32 (*get_object_type)(const char *path);
status_t (*get_object)(const char *path,
acpi_object_type **_returnValue);
status_t (*get_object_typed)(const char *path,
acpi_object_type **_returnValue, uint32 objectType);
status_t (*ns_handle_to_pathname)(acpi_handle targetHandle,
acpi_data *buffer);
/* Control method execution and data acquisition */
status_t (*evaluate_object)(const char* object,
acpi_object_type *returnValue, size_t bufferLength);
status_t (*evaluate_method)(acpi_handle handle, const char *method,
acpi_objects *args, acpi_data *returnValue);
/* Resource Management */
status_t (*get_irq_routing_table)(acpi_handle busDeviceHandle,
acpi_data *retBuffer);
status_t (*get_current_resources)(acpi_handle busDeviceHandle,
acpi_data *retBuffer);
status_t (*get_possible_resources)(acpi_handle busDeviceHandle,
acpi_data *retBuffer);
status_t (*set_current_resources)(acpi_handle busDeviceHandle,
acpi_data *buffer);
/* Power state setting */
status_t (*prepare_sleep_state)(uint8 state, void (*wakeFunc)(void),
size_t size);
status_t (*enter_sleep_state)(uint8 state);
status_t (*reboot)(void);
/* Table Access */
status_t (*get_table)(const char *signature, uint32 instance,
void **tableHeader);
/* Register Access */
status_t (*read_bit_register)(uint32 regid, uint32 *val);
status_t (*write_bit_register)(uint32 regid, uint32 val);
};
/* Sleep states */
enum {
ACPI_POWER_STATE_ON = 0,
ACPI_POWER_STATE_SLEEP_S1,
ACPI_POWER_STATE_SLEEP_S2,
ACPI_POWER_STATE_SLEEP_S3,
ACPI_POWER_STATE_HIBERNATE,
ACPI_POWER_STATE_OFF
};
#define ACPI_DEVICE_HID_ITEM "acpi/hid"
#define ACPI_DEVICE_PATH_ITEM "acpi/path"
#define ACPI_DEVICE_TYPE_ITEM "acpi/type"
typedef struct acpi_device_cookie *acpi_device;
// Interface to one ACPI device.
typedef struct acpi_device_module_info {
driver_module_info info;
/* Notify Handler */
status_t (*install_notify_handler)(acpi_device device,
uint32 handlerType, acpi_notify_handler handler,
void *context);
status_t (*remove_notify_handler)(acpi_device device,
uint32 handlerType, acpi_notify_handler handler);
/* Address Space Handler */
status_t (*install_address_space_handler)(acpi_device device,
uint32 spaceId,
acpi_adr_space_handler handler,
acpi_adr_space_setup setup, void *data);
status_t (*remove_address_space_handler)(acpi_device device,
uint32 spaceId,
acpi_adr_space_handler handler);
/* Namespace Access */
uint32 (*get_object_type)(acpi_device device);
status_t (*get_object)(acpi_device device, const char *path,
acpi_object_type **_returnValue);
/* Control method execution and data acquisition */
status_t (*evaluate_method)(acpi_device device, const char *method,
acpi_objects *args, acpi_data *returnValue);
} acpi_device_module_info;
#endif /* _ACPI_H */