346 lines
9.0 KiB
C
346 lines
9.0 KiB
C
/*
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* Copyright 2005-2008, 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 <device_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 union acpi_object_type acpi_object_type;
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#define B_ACPI_MODULE_NAME "bus_managers/acpi/v1"
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typedef addr_t acpi_physical_address;
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typedef addr_t acpi_io_address;
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typedef size_t acpi_size;
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/* Actually a ptr to a NS Node */
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typedef void * acpi_handle;
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#ifndef __ACTYPES_H__
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/* Notify types */
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#define ACPI_SYSTEM_NOTIFY 0x1
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#define ACPI_DEVICE_NOTIFY 0x2
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#define ACPI_ALL_NOTIFY (ACPI_SYSTEM_NOTIFY | ACPI_DEVICE_NOTIFY)
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#define ACPI_MAX_NOTIFY_HANDLER_TYPE 0x3
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#define ACPI_MAX_SYS_NOTIFY 0x7F
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/* Address Space (Operation Region) Types */
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enum {
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ACPI_ADR_SPACE_SYSTEM_MEMORY = 0,
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ACPI_ADR_SPACE_SYSTEM_IO = 1,
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ACPI_ADR_SPACE_PCI_CONFIG = 2,
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ACPI_ADR_SPACE_EC = 3,
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ACPI_ADR_SPACE_SMBUS = 4,
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ACPI_ADR_SPACE_CMOS = 5,
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ACPI_ADR_SPACE_PCI_BAR_TARGET = 6,
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ACPI_ADR_SPACE_IPMI = 7,
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ACPI_ADR_SPACE_DATA_TABLE = 8,
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ACPI_ADR_SPACE_FIXED_HARDWARE = 127
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};
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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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ACPI_TYPE_DDB_HANDLE,
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ACPI_TYPE_DEBUG_OBJECT,
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ACPI_TYPE_LOCAL_REFERENCE = 0x14
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};
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/* ACPI control method arg type */
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union acpi_object_type {
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uint32 object_type;
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struct {
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uint32 object_type;
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uint64 integer;
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} integer;
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struct {
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uint32 object_type;
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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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uint32 object_type;
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uint32 length;
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void *buffer;
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} buffer;
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struct {
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uint32 object_type;
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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 object_type;
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uint32 actual_type;
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acpi_handle handle;
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} reference;
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struct {
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uint32 object_type;
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uint32 cpu_id;
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acpi_io_address pblk_address;
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uint32 pblk_length;
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} processor;
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struct {
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uint32 object_type;
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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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};
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/*
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* List of objects, used as a parameter list for control method evaluation
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*/
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typedef struct acpi_objects {
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uint32 count;
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acpi_object_type *pointer;
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} acpi_objects;
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typedef struct acpi_data {
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acpi_size length; /* Length in bytes of the buffer */
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void *pointer; /* pointer to buffer */
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} acpi_data;
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enum {
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ACPI_ALLOCATE_BUFFER = -1,
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ACPI_ALLOCATE_LOCAL_BUFFER = -2,
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};
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/*
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* acpi_status should return ACPI specific error codes, not BeOS ones.
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*/
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typedef uint32 acpi_status;
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typedef struct acpi_resource acpi_resource;
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#define ACPI_REENABLE_GPE 0x80
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#endif // __ACTYPES_H__
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typedef uint32 (*acpi_event_handler)(void *context);
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typedef uint32 (*acpi_gpe_handler) (acpi_handle GpeDevice, uint32 GpeNumber,
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void *context);
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typedef acpi_status (*acpi_adr_space_handler)(uint32 function,
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acpi_physical_address address, uint32 bitWidth, int *value,
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void *handlerContext, void *regionContext);
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typedef acpi_status (*acpi_adr_space_setup)(acpi_handle regionHandle,
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uint32 function, void *handlerContext, void **regionContext);
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typedef void (*acpi_notify_handler)(acpi_handle device, uint32 value,
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void *context);
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typedef acpi_status (*acpi_walk_resources_callback)(acpi_resource* resource,
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void* context);
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struct acpi_module_info {
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module_info info;
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status_t (*get_handle)(acpi_handle parent, const char *pathname,
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acpi_handle *retHandle);
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/* Global Lock */
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status_t (*acquire_global_lock)(uint16 timeout, uint32 *handle);
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status_t (*release_global_lock)(uint32 handle);
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/* Notify Handler */
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status_t (*install_notify_handler)(acpi_handle device,
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uint32 handlerType, acpi_notify_handler handler,
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void *context);
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status_t (*remove_notify_handler)(acpi_handle device,
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uint32 handlerType, acpi_notify_handler handler);
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/* GPE Handler */
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status_t (*update_all_gpes)();
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status_t (*enable_gpe)(acpi_handle handle, uint32 gpeNumber);
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status_t (*disable_gpe)(acpi_handle handle, uint32 gpeNumber);
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status_t (*clear_gpe)(acpi_handle handle, uint32 gpeNumber);
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status_t (*set_gpe)(acpi_handle handle, uint32 gpeNumber,
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uint8 action);
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status_t (*finish_gpe)(acpi_handle handle, uint32 gpeNumber);
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status_t (*install_gpe_handler)(acpi_handle handle, uint32 gpeNumber,
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uint32 type, acpi_gpe_handler handler, void *data);
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status_t (*remove_gpe_handler)(acpi_handle handle, uint32 gpeNumber,
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acpi_gpe_handler address);
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/* Address Space Handler */
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status_t (*install_address_space_handler)(acpi_handle handle,
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uint32 spaceId,
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acpi_adr_space_handler handler,
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acpi_adr_space_setup setup, void *data);
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status_t (*remove_address_space_handler)(acpi_handle handle,
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uint32 spaceId,
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acpi_adr_space_handler handler);
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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,
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acpi_event_handler handler, void *data);
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status_t (*remove_fixed_event_handler)(uint32 event,
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acpi_event_handler handler);
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/* Namespace Access */
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status_t (*get_next_entry)(uint32 objectType, const char *base,
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char *result, size_t length, void **_counter);
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status_t (*get_device)(const char *hid, uint32 index, char *result,
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size_t resultLength);
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status_t (*get_device_hid)(const char *path, char *hid,
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size_t hidLength);
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uint32 (*get_object_type)(const char *path);
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status_t (*get_object)(const char *path,
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acpi_object_type **_returnValue);
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status_t (*get_object_typed)(const char *path,
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acpi_object_type **_returnValue, uint32 objectType);
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status_t (*ns_handle_to_pathname)(acpi_handle targetHandle,
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acpi_data *buffer);
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/* Control method execution and data acquisition */
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status_t (*evaluate_object)(acpi_handle handle, const char* object,
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acpi_objects *args, acpi_object_type *returnValue, size_t bufferLength);
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status_t (*evaluate_method)(acpi_handle handle, const char *method,
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acpi_objects *args, acpi_data *returnValue);
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/* Resource Management */
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status_t (*get_irq_routing_table)(acpi_handle busDeviceHandle,
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acpi_data *retBuffer);
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status_t (*get_current_resources)(acpi_handle busDeviceHandle,
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acpi_data *retBuffer);
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status_t (*get_possible_resources)(acpi_handle busDeviceHandle,
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acpi_data *retBuffer);
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status_t (*set_current_resources)(acpi_handle busDeviceHandle,
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acpi_data *buffer);
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status_t (*walk_resources)(acpi_handle busDeviceHandle,
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char *method, acpi_walk_resources_callback callback,
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void* context);
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/* Power state setting */
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status_t (*prepare_sleep_state)(uint8 state, void (*wakeFunc)(void),
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size_t size);
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status_t (*enter_sleep_state)(uint8 state);
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status_t (*reboot)(void);
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/* Table Access */
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status_t (*get_table)(const char *signature, uint32 instance,
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void **tableHeader);
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/* Register Access */
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status_t (*read_bit_register)(uint32 regid, uint32 *val);
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status_t (*write_bit_register)(uint32 regid, uint32 val);
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};
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/* Sleep states */
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enum {
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ACPI_POWER_STATE_ON = 0,
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ACPI_POWER_STATE_SLEEP_S1,
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ACPI_POWER_STATE_SLEEP_S2,
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ACPI_POWER_STATE_SLEEP_S3,
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ACPI_POWER_STATE_HIBERNATE,
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ACPI_POWER_STATE_OFF
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};
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#define ACPI_DEVICE_HID_ITEM "acpi/hid"
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#define ACPI_DEVICE_PATH_ITEM "acpi/path"
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#define ACPI_DEVICE_TYPE_ITEM "acpi/type"
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typedef struct acpi_device_cookie *acpi_device;
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// Interface to one ACPI device.
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typedef struct acpi_device_module_info {
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driver_module_info info;
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/* Notify Handler */
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status_t (*install_notify_handler)(acpi_device device,
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uint32 handlerType, acpi_notify_handler handler,
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void *context);
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status_t (*remove_notify_handler)(acpi_device device,
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uint32 handlerType, acpi_notify_handler handler);
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/* Address Space Handler */
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status_t (*install_address_space_handler)(acpi_device device,
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uint32 spaceId,
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acpi_adr_space_handler handler,
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acpi_adr_space_setup setup, void *data);
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status_t (*remove_address_space_handler)(acpi_device device,
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uint32 spaceId,
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acpi_adr_space_handler handler);
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/* Namespace Access */
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uint32 (*get_object_type)(acpi_device device);
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status_t (*get_object)(acpi_device device, const char *path,
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acpi_object_type **_returnValue);
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/* Control method execution and data acquisition */
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status_t (*evaluate_method)(acpi_device device, const char *method,
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acpi_objects *args, acpi_data *returnValue);
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/* Resource Management */
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status_t (*walk_resources)(acpi_device device, char *method,
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acpi_walk_resources_callback callback, void* context);
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} acpi_device_module_info;
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#endif /* _ACPI_H */
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