mirror of
https://github.com/torvalds/linux
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283 lines
7.9 KiB
C
283 lines
7.9 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 - 2008, Intel Corp.
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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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/* Types for acpi_os_execute */
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typedef enum {
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OSL_GLOBAL_LOCK_HANDLER,
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OSL_NOTIFY_HANDLER,
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OSL_GPE_HANDLER,
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OSL_DEBUGGER_THREAD,
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OSL_EC_POLL_HANDLER,
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OSL_EC_BURST_HANDLER
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} acpi_execute_type;
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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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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 __initdata acpi_os_initialize(void);
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acpi_status acpi_os_terminate(void);
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/*
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* ACPI Table interfaces
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*/
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acpi_physical_address acpi_os_get_root_pointer(void);
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acpi_status
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acpi_os_predefined_override(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(struct acpi_table_header *existing_table,
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struct acpi_table_header **new_table);
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/*
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* Spinlock primitives
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*/
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acpi_status acpi_os_create_lock(acpi_spinlock * out_handle);
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void acpi_os_delete_lock(acpi_spinlock handle);
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acpi_cpu_flags acpi_os_acquire_lock(acpi_spinlock handle);
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void acpi_os_release_lock(acpi_spinlock handle, acpi_cpu_flags flags);
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/*
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* Semaphore primitives
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*/
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acpi_status
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acpi_os_create_semaphore(u32 max_units,
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u32 initial_units, acpi_semaphore * out_handle);
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acpi_status acpi_os_delete_semaphore(acpi_semaphore handle);
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acpi_status
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acpi_os_wait_semaphore(acpi_semaphore handle, u32 units, u16 timeout);
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acpi_status acpi_os_signal_semaphore(acpi_semaphore handle, u32 units);
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/*
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* Mutex primitives
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*/
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acpi_status acpi_os_create_mutex(acpi_mutex * out_handle);
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void acpi_os_delete_mutex(acpi_mutex handle);
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acpi_status acpi_os_acquire_mutex(acpi_mutex handle, u16 timeout);
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void acpi_os_release_mutex(acpi_mutex handle);
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/* Temporary macros for Mutex* interfaces, map to existing semaphore xfaces */
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#define acpi_os_create_mutex(out_handle) acpi_os_create_semaphore (1, 1, out_handle)
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#define acpi_os_delete_mutex(handle) (void) acpi_os_delete_semaphore (handle)
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#define acpi_os_acquire_mutex(handle,time) acpi_os_wait_semaphore (handle, 1, time)
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#define acpi_os_release_mutex(handle) (void) acpi_os_signal_semaphore (handle, 1)
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/*
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* Memory allocation and mapping
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*/
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void *acpi_os_allocate(acpi_size size);
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void __iomem *acpi_os_map_memory(acpi_physical_address where,
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acpi_native_uint length);
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void acpi_os_unmap_memory(void __iomem * logical_address, 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(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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* Memory/Object Cache
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*/
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acpi_status
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acpi_os_create_cache(char *cache_name,
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u16 object_size,
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u16 max_depth, acpi_cache_t ** return_cache);
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acpi_status acpi_os_delete_cache(acpi_cache_t * cache);
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acpi_status acpi_os_purge_cache(acpi_cache_t * cache);
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void *acpi_os_acquire_object(acpi_cache_t * cache);
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acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object);
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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(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(u32 gsi, acpi_osd_handler service_routine);
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void acpi_os_gpe_count(u32 gpe_number);
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void acpi_os_fixed_event_count(u32 fixed_event_number);
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/*
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* Threads and Scheduling
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*/
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acpi_thread_id acpi_os_get_thread_id(void);
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acpi_status
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acpi_os_execute(acpi_execute_type type,
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acpi_osd_exec_callback function, void *context);
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void acpi_os_wait_events_complete(void *context);
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void acpi_os_sleep(acpi_integer milliseconds);
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void acpi_os_stall(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 acpi_os_read_port(acpi_io_address address, u32 * value, u32 width);
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acpi_status acpi_os_write_port(acpi_io_address address, u32 value, 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(acpi_physical_address address, u32 * value, u32 width);
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acpi_status
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acpi_os_write_memory(acpi_physical_address address, u32 value, 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(struct acpi_pci_id *pci_id,
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u32 reg, u32 *value, u32 width);
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acpi_status
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acpi_os_write_pci_configuration(struct acpi_pci_id *pci_id,
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u32 reg, acpi_integer value, 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(acpi_handle rhandle,
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acpi_handle chandle, struct acpi_pci_id **pci_id);
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/*
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* Miscellaneous
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*/
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acpi_status acpi_os_validate_interface(char *interface);
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acpi_status acpi_osi_invalidate(char* interface);
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acpi_status
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acpi_os_validate_address(u8 space_id, acpi_physical_address address,
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acpi_size length, char *name);
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u64 acpi_os_get_timer(void);
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acpi_status acpi_os_signal(u32 function, 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 acpi_os_printf(const char *format, ...);
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void acpi_os_vprintf(const char *format, va_list args);
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void acpi_os_redirect_output(void *destination);
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#ifdef ACPI_FUTURE_USAGE
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/*
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* Debug input
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*/
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u32 acpi_os_get_line(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 *acpi_os_open_directory(char *pathname,
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char *wildcard_spec, 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 *acpi_os_get_next_filename(void *dir_handle);
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void acpi_os_close_directory(void *dir_handle);
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#endif /* __ACPIOSXF_H__ */
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