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/******************************************************************************
*
* Name: acpiosxf.h - All interfaces to the OS-dependent layer. These
* interfaces must be implemented by the OS-dependent
* front-end to the ACPI subsystem.
*
*****************************************************************************/
/*
* Copyright (C) 2000 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 __ACPIOSD_H__
#define __ACPIOSD_H__
#include "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
/*
* Types specific to the OS-dependent layer interfaces
*/
typedef
u32 (*OSD_HANDLER) (
void *context);
typedef
void (*OSD_EXECUTION_CALLBACK) (
void *context);
/*
* Initialization and shutdown primitives (Optional)
*/
ACPI_STATUS
acpi_os_initialize (
void);
ACPI_STATUS
acpi_os_terminate (
void);
/*
* 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);
/*
* 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);
/*
* Scheduling
*/
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_sleep_usec (
u32 microseconds);
/*
* Platform/Hardware independent I/O interfaces
*/
u8
acpi_os_in8 (
ACPI_IO_ADDRESS in_port);
u16
acpi_os_in16 (
ACPI_IO_ADDRESS in_port);
u32
acpi_os_in32 (
ACPI_IO_ADDRESS in_port);
void
acpi_os_out8 (
ACPI_IO_ADDRESS out_port,
u8 value);
void
acpi_os_out16 (
ACPI_IO_ADDRESS out_port,
u16 value);
void
acpi_os_out32 (
ACPI_IO_ADDRESS out_port,
u32 value);
/*
* Platform/Hardware independent physical memory interfaces
*/
u8
acpi_os_mem_in8 (
ACPI_PHYSICAL_ADDRESS in_addr);
u16
acpi_os_mem_in16 (
ACPI_PHYSICAL_ADDRESS in_addr);
u32
acpi_os_mem_in32 (
ACPI_PHYSICAL_ADDRESS in_addr);
void
acpi_os_mem_out8 (
ACPI_PHYSICAL_ADDRESS out_addr,
u8 value);
void
acpi_os_mem_out16 (
ACPI_PHYSICAL_ADDRESS out_addr,
u16 value);
void
acpi_os_mem_out32 (
ACPI_PHYSICAL_ADDRESS out_addr,
u32 value);
/*
* Standard access to PCI configuration space
*/
ACPI_STATUS
acpi_os_read_pci_cfg_byte (
u32 bus,
u32 device_function,
u32 register,
u8 *value);
ACPI_STATUS
acpi_os_read_pci_cfg_word (
u32 bus,
u32 device_function,
u32 register,
u16 *value);
ACPI_STATUS
acpi_os_read_pci_cfg_dword (
u32 bus,
u32 device_function,
u32 register,
u32 *value);
ACPI_STATUS
acpi_os_write_pci_cfg_byte (
u32 bus,
u32 device_function,
u32 register,
u8 value);
ACPI_STATUS
acpi_os_write_pci_cfg_word (
u32 bus,
u32 device_function,
u32 register,
u16 value);
ACPI_STATUS
acpi_os_write_pci_cfg_dword (
u32 bus,
u32 device_function,
u32 register,
u32 value);
/*
* Miscellaneous
*/
ACPI_STATUS
acpi_os_breakpoint (
NATIVE_CHAR *message);
u8
acpi_os_readable (
void *pointer,
u32 length);
u8
acpi_os_writable (
void *pointer,
u32 length);
/*
* 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 /* __ACPIOSD_H__ */
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