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/******************************************************************************
*
* Name: acpiosxf.h - All interfaces to the OS Services Layer (OSL). These
* interfaces must be implemented by OSL to interface the
* ACPI components to the host operating system.
*
*****************************************************************************/
/*
* Copyright (C) 2000, 2001 R. Byron Moore
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ACPIOSXF_H__
#define __ACPIOSXF_H__
#include "platform/acenv.h"
#include "actypes.h"
/* Priorities for Acpi_os_queue_for_execution */
#define OSD_PRIORITY_GPE 1
#define OSD_PRIORITY_HIGH 2
#define OSD_PRIORITY_MED 3
#define OSD_PRIORITY_LO 4
#define ACPI_NO_UNIT_LIMIT ((u32) -1)
#define ACPI_MUTEX_SEM 1
/* Functions for Acpi_os_signal */
#define ACPI_SIGNAL_FATAL 0
#define ACPI_SIGNAL_BREAKPOINT 1
typedef struct acpi_fatal_info
{
u32 type;
u32 code;
u32 argument;
} ACPI_SIGNAL_FATAL_INFO;
/*
* Types specific to the OS service interfaces
*/
typedef
u32 (*OSD_HANDLER) (
void *context);
typedef
void (*OSD_EXECUTION_CALLBACK) (
void *context);
/*
* OSL Initialization and shutdown primitives
*/
acpi_status
acpi_os_initialize (
void);
acpi_status
acpi_os_terminate (
void);
acpi_status
acpi_os_get_root_pointer (
u32 flags,
ACPI_PHYSICAL_ADDRESS *rsdp_physical_address);
/*
* Synchronization primitives
*/
acpi_status
acpi_os_create_semaphore (
u32 max_units,
u32 initial_units,
acpi_handle *out_handle);
acpi_status
acpi_os_delete_semaphore (
acpi_handle handle);
acpi_status
acpi_os_wait_semaphore (
acpi_handle handle,
u32 units,
u32 timeout);
acpi_status
acpi_os_signal_semaphore (
acpi_handle handle,
u32 units);
/*
* Memory allocation and mapping
*/
void *
acpi_os_allocate (
u32 size);
void *
acpi_os_callocate (
u32 size);
void
acpi_os_free (
void * memory);
acpi_status
acpi_os_map_memory (
ACPI_PHYSICAL_ADDRESS physical_address,
u32 length,
void **logical_address);
void
acpi_os_unmap_memory (
void *logical_address,
u32 length);
acpi_status
acpi_os_get_physical_address (
void *logical_address,
ACPI_PHYSICAL_ADDRESS *physical_address);
/*
* Interrupt handlers
*/
acpi_status
acpi_os_install_interrupt_handler (
u32 interrupt_number,
OSD_HANDLER service_routine,
void *context);
acpi_status
acpi_os_remove_interrupt_handler (
u32 interrupt_number,
OSD_HANDLER service_routine);
/*
* Threads and Scheduling
*/
u32
acpi_os_get_thread_id (
void);
acpi_status
acpi_os_queue_for_execution (
u32 priority,
OSD_EXECUTION_CALLBACK function,
void *context);
void
acpi_os_sleep (
u32 seconds,
u32 milliseconds);
void
acpi_os_stall (
u32 microseconds);
/*
* Platform and hardware-independent I/O interfaces
*/
acpi_status
acpi_os_read_port (
ACPI_IO_ADDRESS address,
void *value,
u32 width);
acpi_status
acpi_os_write_port (
ACPI_IO_ADDRESS address,
NATIVE_UINT value,
u32 width);
/*
* Platform and hardware-independent physical memory interfaces
*/
acpi_status
acpi_os_read_memory (
ACPI_PHYSICAL_ADDRESS address,
void *value,
u32 width);
acpi_status
acpi_os_write_memory (
ACPI_PHYSICAL_ADDRESS address,
NATIVE_UINT value,
u32 width);
/*
* Platform and hardware-independent PCI configuration space access
*/
acpi_status
acpi_os_read_pci_configuration (
acpi_pci_id *pci_id,
u32 register,
void *value,
u32 width);
acpi_status
acpi_os_write_pci_configuration (
acpi_pci_id *pci_id,
u32 register,
NATIVE_UINT value,
u32 width);
/*
* Miscellaneous
*/
u8
acpi_os_readable (
void *pointer,
u32 length);
u8
acpi_os_writable (
void *pointer,
u32 length);
u32
acpi_os_get_timer (
void);
acpi_status
acpi_os_signal (
u32 function,
void *info);
/*
* Debug print routines
*/
s32
acpi_os_printf (
const NATIVE_CHAR *format,
...);
s32
acpi_os_vprintf (
const NATIVE_CHAR *format,
va_list args);
/*
* Debug input
*/
u32
acpi_os_get_line (
NATIVE_CHAR *buffer);
/*
* Debug
*/
void
acpi_os_dbg_assert(
void *failed_assertion,
void *file_name,
u32 line_number,
NATIVE_CHAR *message);
#endif /* __ACPIOSXF_H__ */
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