/******************************************************************************
*
* 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 - 2013, Intel Corp.
* 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 <acpi/platform/acenv.h>
#include <acpi/actypes.h>
/* Types for acpi_os_execute */
typedef enum {
OSL_GLOBAL_LOCK_HANDLER,
OSL_NOTIFY_HANDLER,
OSL_GPE_HANDLER,
OSL_DEBUGGER_THREAD,
OSL_EC_POLL_HANDLER,
OSL_EC_BURST_HANDLER
} acpi_execute_type;
#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 __initdata acpi_os_initialize(void);
acpi_status acpi_os_terminate(void);
/*
* ACPI Table interfaces
*/
acpi_physical_address acpi_os_get_root_pointer(void);
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);
acpi_status
acpi_os_physical_table_override(struct acpi_table_header *existing_table,
acpi_physical_address * new_address,
u32 *new_table_length);
/*
* Spinlock primitives
*/
#ifndef acpi_os_create_lock
acpi_status acpi_os_create_lock(acpi_spinlock * out_handle);
#endif
void acpi_os_delete_lock(acpi_spinlock handle);
acpi_cpu_flags acpi_os_acquire_lock(acpi_spinlock handle);
void acpi_os_release_lock(acpi_spinlock handle, acpi_cpu_flags flags);
/*
* Semaphore primitives
*/
acpi_status
acpi_os_create_semaphore(u32 max_units,
u32 initial_units, acpi_semaphore * out_handle);
acpi_status acpi_os_delete_semaphore(acpi_semaphore handle);
acpi_status
acpi_os_wait_semaphore(acpi_semaphore handle, u32 units, u16 timeout);
acpi_status acpi_os_signal_semaphore(acpi_semaphore handle, u32 units);
/*
* Mutex primitives. May be configured to use semaphores instead via
* ACPI_MUTEX_TYPE (see platform/acenv.h)
*/
#if (ACPI_MUTEX_TYPE != ACPI_BINARY_SEMAPHORE)
acpi_status acpi_os_create_mutex(acpi_mutex * out_handle);
void acpi_os_delete_mutex(acpi_mutex handle);
acpi_status acpi_os_acquire_mutex(acpi_mutex handle, u16 timeout);
void acpi_os_release_mutex(acpi_mutex handle);
#endif
/*
* Memory allocation and mapping
*/
void *acpi_os_allocate(acpi_size size);
void acpi_os_free(void *memory);
void __iomem *acpi_os_map_memory(acpi_physical_address where,
acpi_size length);
void acpi_os_unmap_memory(void __iomem * logical_address, acpi_size size);
void early_acpi_os_unmap_memory(void __iomem * virt, acpi_size size);
#ifdef ACPI_FUTURE_USAGE
acpi_status
acpi_os_get_physical_address(void *logical_address,
acpi_physical_address * physical_address);
#endif
/*
* Memory/Object Cache
*/
acpi_status
acpi_os_create_cache(char *cache_name,
u16 object_size,
u16 max_depth, acpi_cache_t ** return_cache);
acpi_status acpi_os_delete_cache(acpi_cache_t * cache);
acpi_status acpi_os_purge_cache(acpi_cache_t * cache);
void *acpi_os_acquire_object(acpi_cache_t * cache);
acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object);
/*
* Interrupt handlers
*/
acpi_status
acpi_os_install_interrupt_handler(u32 interrupt_number,
acpi_osd_handler service_routine,
void *context);
acpi_status
acpi_os_remove_interrupt_handler(u32 interrupt_number,
acpi_osd_handler service_routine);
void acpi_os_gpe_count(u32 gpe_number);
void acpi_os_fixed_event_count(u32 fixed_event_number);
/*
* Threads and Scheduling
*/
acpi_thread_id acpi_os_get_thread_id(void);
acpi_status
acpi_os_execute(acpi_execute_type type,
acpi_osd_exec_callback function, void *context);
acpi_status
acpi_os_hotplug_execute(acpi_osd_exec_callback function, void *context);
void acpi_os_wait_events_complete(void);
void acpi_os_sleep(u64 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, u64 *value, u32 width);
acpi_status
acpi_os_write_memory(acpi_physical_address address, u64 value, u32 width);
/*
* Platform and hardware-independent PCI configuration space access
* Note: Can't use "Register" as a parameter, changed to "Reg" --
* certain compilers complain.
*/
acpi_status
acpi_os_read_pci_configuration(struct acpi_pci_id *pci_id,
u32 reg, u64 *value, u32 width);
acpi_status
acpi_os_write_pci_configuration(struct acpi_pci_id *pci_id,
u32 reg, u64 value, u32 width);
/*
* Miscellaneous
*/
u64 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);
#ifdef ACPI_FUTURE_USAGE
/*
* Debug input
*/
u32 acpi_os_get_line(char *buffer);
#endif
/*
* 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);
#endif /* __ACPIOSXF_H__ */
