/****************************************************************************** * * 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 - 2005, 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 __iomem **logical_address); void acpi_os_unmap_memory ( void __iomem *logical_address, acpi_size size); #ifdef ACPI_FUTURE_USAGE acpi_status acpi_os_get_physical_address ( void *logical_address, acpi_physical_address *physical_address); #endif /* * Interrupt handlers */ acpi_status acpi_os_install_interrupt_handler ( u32 gsi, acpi_osd_handler service_routine, void *context); acpi_status acpi_os_remove_interrupt_handler ( u32 gsi, acpi_osd_handler service_routine); /* * Threads and Scheduling */ u32 acpi_os_get_thread_id ( void); acpi_status acpi_os_queue_for_execution ( u32 priority, acpi_osd_exec_callback function, void *context); void acpi_os_wait_events_complete( void * context); void acpi_os_wait_events_complete ( void *context); void acpi_os_sleep ( acpi_integer 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 * 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, void *value, u32 width); acpi_status acpi_os_write_pci_configuration ( struct acpi_pci_id *pci_id, u32 reg, 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); #ifdef ACPI_FUTURE_USAGE u8 acpi_os_writable ( void *pointer, acpi_size length); #endif 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); /* * Debug */ void acpi_os_dbg_assert( void *failed_assertion, void *file_name, u32 line_number, char *message); #endif /* __ACPIOSXF_H__ */