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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 - 2004, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#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
struct acpi_signal_fatal_info
{
u32 type;
u32 code;
u32 argument;
};
/*
* OSL Initialization and shutdown primitives
*/
acpi_status
acpi_os_initialize (
void);
acpi_status
acpi_os_terminate (
void);
/*
* ACPI Table interfaces
*/
acpi_status
acpi_os_get_root_pointer (
u32 flags,
struct acpi_pointer *address);
acpi_status
acpi_os_predefined_override (
const struct acpi_predefined_names *init_val,
acpi_string *new_val);
acpi_status
acpi_os_table_override (
struct acpi_table_header *existing_table,
struct acpi_table_header **new_table);
/*
* 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,
u16 timeout);
acpi_status
acpi_os_signal_semaphore (
acpi_handle handle,
u32 units);
acpi_status
acpi_os_create_lock (
acpi_handle *out_handle);
void
acpi_os_delete_lock (
acpi_handle handle);
void
acpi_os_acquire_lock (
acpi_handle handle,
u32 flags);
void
acpi_os_release_lock (
acpi_handle handle,
u32 flags);
/*
* Memory allocation and mapping
*/
void *
acpi_os_allocate (
acpi_size size);
void
acpi_os_free (
void * memory);
acpi_status
acpi_os_map_memory (
acpi_physical_address physical_address,
acpi_size size,
void **logical_address);
void
acpi_os_unmap_memory (
void *logical_address,
acpi_size size);
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,
u32 *value,
u32 width);
acpi_status
acpi_os_write_port (
acpi_io_address address,
u32 value,
u32 width);
/*
* Platform and hardware-independent physical memory interfaces
*/
acpi_status
acpi_os_read_memory (
acpi_physical_address address,
u32 *value,
u32 width);
acpi_status
acpi_os_write_memory (
acpi_physical_address address,
u32 value,
u32 width);
/*
* Platform and hardware-independent PCI configuration space access
*/
acpi_status
acpi_os_read_pci_configuration (
struct acpi_pci_id *pci_id,
u32 register,
void *value,
u32 width);
acpi_status
acpi_os_write_pci_configuration (
struct acpi_pci_id *pci_id,
u32 register,
acpi_integer value,
u32 width);
/*
* Interim function needed for PCI IRQ routing
*/
void
acpi_os_derive_pci_id(
acpi_handle rhandle,
acpi_handle chandle,
struct acpi_pci_id **pci_id);
/*
* Miscellaneous
*/
u8
acpi_os_readable (
void *pointer,
acpi_size length);
u8
acpi_os_writable (
void *pointer,
acpi_size length);
u32
acpi_os_get_timer (
void);
acpi_status
acpi_os_signal (
u32 function,
void *info);
/*
* Debug print routines
*/
void ACPI_INTERNAL_VAR_XFACE
acpi_os_printf (
const char *format,
...);
void
acpi_os_vprintf (
const char *format,
va_list args);
void
acpi_os_redirect_output (
void *destination);
/*
* Debug input
*/
u32
acpi_os_get_line (
char *buffer);
/*
* Directory manipulation
*/
void *
acpi_os_open_directory (
char *pathname,
char *wildcard_spec,
char requested_file_type);
/* requeste_file_type values */
#define REQUEST_FILE_ONLY 0
#define REQUEST_DIR_ONLY 1
char *
acpi_os_get_next_filename (
void *dir_handle);
void
acpi_os_close_directory (
void *dir_handle);
/*
* Debug
*/
void
acpi_os_dbg_assert(
void *failed_assertion,
void *file_name,
u32 line_number,
char *message);
#endif /* __ACPIOSXF_H__ */
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