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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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390 lines
8.9 KiB
C
390 lines
8.9 KiB
C
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/******************************************************************************
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*
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* Name: acpiosxf.h - All interfaces to the OS Services Layer (OSL). These
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* interfaces must be implemented by OSL to interface the
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* ACPI components to the host operating system.
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2005, R. Byron Moore
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#ifndef __ACPIOSXF_H__
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#define __ACPIOSXF_H__
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#include "platform/acenv.h"
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#include "actypes.h"
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/* Priorities for acpi_os_queue_for_execution */
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#define OSD_PRIORITY_GPE 1
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#define OSD_PRIORITY_HIGH 2
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#define OSD_PRIORITY_MED 3
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#define OSD_PRIORITY_LO 4
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#define ACPI_NO_UNIT_LIMIT ((u32) -1)
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#define ACPI_MUTEX_SEM 1
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/* Functions for acpi_os_signal */
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#define ACPI_SIGNAL_FATAL 0
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#define ACPI_SIGNAL_BREAKPOINT 1
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struct acpi_signal_fatal_info
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{
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u32 type;
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u32 code;
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u32 argument;
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};
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/*
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* OSL Initialization and shutdown primitives
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*/
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acpi_status
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acpi_os_initialize (
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void);
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acpi_status
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acpi_os_terminate (
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void);
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/*
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* ACPI Table interfaces
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*/
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acpi_status
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acpi_os_get_root_pointer (
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u32 flags,
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struct acpi_pointer *address);
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acpi_status
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acpi_os_predefined_override (
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const struct acpi_predefined_names *init_val,
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acpi_string *new_val);
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acpi_status
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acpi_os_table_override (
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struct acpi_table_header *existing_table,
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struct acpi_table_header **new_table);
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/*
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* Synchronization primitives
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*/
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acpi_status
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acpi_os_create_semaphore (
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u32 max_units,
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u32 initial_units,
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acpi_handle *out_handle);
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acpi_status
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acpi_os_delete_semaphore (
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acpi_handle handle);
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acpi_status
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acpi_os_wait_semaphore (
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acpi_handle handle,
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u32 units,
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u16 timeout);
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acpi_status
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acpi_os_signal_semaphore (
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acpi_handle handle,
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u32 units);
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acpi_status
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acpi_os_create_lock (
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acpi_handle *out_handle);
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void
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acpi_os_delete_lock (
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acpi_handle handle);
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void
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acpi_os_acquire_lock (
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acpi_handle handle,
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u32 flags);
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void
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acpi_os_release_lock (
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acpi_handle handle,
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u32 flags);
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/*
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* Memory allocation and mapping
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*/
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void *
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acpi_os_allocate (
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acpi_size size);
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void
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acpi_os_free (
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void * memory);
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acpi_status
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acpi_os_map_memory (
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acpi_physical_address physical_address,
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acpi_size size,
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void __iomem **logical_address);
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void
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acpi_os_unmap_memory (
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void __iomem *logical_address,
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acpi_size size);
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#ifdef ACPI_FUTURE_USAGE
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acpi_status
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acpi_os_get_physical_address (
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void *logical_address,
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acpi_physical_address *physical_address);
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#endif
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/*
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* Interrupt handlers
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*/
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acpi_status
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acpi_os_install_interrupt_handler (
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u32 gsi,
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acpi_osd_handler service_routine,
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void *context);
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acpi_status
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acpi_os_remove_interrupt_handler (
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u32 gsi,
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acpi_osd_handler service_routine);
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/*
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* Threads and Scheduling
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*/
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u32
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acpi_os_get_thread_id (
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void);
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acpi_status
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acpi_os_queue_for_execution (
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u32 priority,
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acpi_osd_exec_callback function,
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void *context);
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void
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acpi_os_wait_events_complete(
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void * context);
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void
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acpi_os_wait_events_complete (
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void *context);
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void
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acpi_os_sleep (
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acpi_integer milliseconds);
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void
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acpi_os_stall (
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u32 microseconds);
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/*
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* Platform and hardware-independent I/O interfaces
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*/
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acpi_status
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acpi_os_read_port (
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acpi_io_address address,
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u32 *value,
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u32 width);
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acpi_status
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acpi_os_write_port (
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acpi_io_address address,
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u32 value,
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u32 width);
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/*
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* Platform and hardware-independent physical memory interfaces
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*/
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acpi_status
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acpi_os_read_memory (
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acpi_physical_address address,
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u32 *value,
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u32 width);
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acpi_status
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acpi_os_write_memory (
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acpi_physical_address address,
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u32 value,
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u32 width);
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/*
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* Platform and hardware-independent PCI configuration space access
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* Note: Can't use "Register" as a parameter, changed to "Reg" --
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* certain compilers complain.
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*/
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acpi_status
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acpi_os_read_pci_configuration (
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struct acpi_pci_id *pci_id,
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u32 reg,
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void *value,
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u32 width);
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acpi_status
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acpi_os_write_pci_configuration (
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struct acpi_pci_id *pci_id,
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u32 reg,
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acpi_integer value,
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u32 width);
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/*
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* Interim function needed for PCI IRQ routing
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*/
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void
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acpi_os_derive_pci_id(
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acpi_handle rhandle,
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acpi_handle chandle,
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struct acpi_pci_id **pci_id);
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/*
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* Miscellaneous
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*/
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u8
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acpi_os_readable (
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void *pointer,
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acpi_size length);
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#ifdef ACPI_FUTURE_USAGE
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u8
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acpi_os_writable (
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void *pointer,
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acpi_size length);
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#endif
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u64
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acpi_os_get_timer (
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void);
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acpi_status
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acpi_os_signal (
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u32 function,
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void *info);
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/*
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* Debug print routines
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*/
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void ACPI_INTERNAL_VAR_XFACE
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acpi_os_printf (
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const char *format,
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...);
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void
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acpi_os_vprintf (
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const char *format,
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va_list args);
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void
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acpi_os_redirect_output (
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void *destination);
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/*
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* Debug input
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*/
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#ifdef ACPI_FUTURE_USAGE
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u32
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acpi_os_get_line (
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char *buffer);
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#endif
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/*
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* Directory manipulation
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*/
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void *
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acpi_os_open_directory (
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char *pathname,
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char *wildcard_spec,
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char requested_file_type);
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/* requeste_file_type values */
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#define REQUEST_FILE_ONLY 0
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#define REQUEST_DIR_ONLY 1
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char *
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acpi_os_get_next_filename (
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void *dir_handle);
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void
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acpi_os_close_directory (
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void *dir_handle);
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/*
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* Debug
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*/
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void
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acpi_os_dbg_assert(
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void *failed_assertion,
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void *file_name,
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u32 line_number,
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char *message);
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#endif /* __ACPIOSXF_H__ */
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