1 2 /****************************************************************************** 3 * 4 * Name: acpiosxf.h - All interfaces to the OS Services Layer (OSL). These 5 * interfaces must be implemented by OSL to interface the 6 * ACPI components to the host operating system. 7 * 8 *****************************************************************************/ 9 10 /* 11 * Copyright (C) 2000 - 2007, R. Byron Moore 12 * All rights reserved. 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions 16 * are met: 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions, and the following disclaimer, 19 * without modification. 20 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 21 * substantially similar to the "NO WARRANTY" disclaimer below 22 * ("Disclaimer") and any redistribution must be conditioned upon 23 * including a substantially similar Disclaimer requirement for further 24 * binary redistribution. 25 * 3. Neither the names of the above-listed copyright holders nor the names 26 * of any contributors may be used to endorse or promote products derived 27 * from this software without specific prior written permission. 28 * 29 * Alternatively, this software may be distributed under the terms of the 30 * GNU General Public License ("GPL") version 2 as published by the Free 31 * Software Foundation. 32 * 33 * NO WARRANTY 34 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 35 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 36 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 37 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 38 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 39 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 40 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 41 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 42 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 43 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 44 * POSSIBILITY OF SUCH DAMAGES. 45 */ 46 47 #ifndef __ACPIOSXF_H__ 48 #define __ACPIOSXF_H__ 49 50 #include "platform/acenv.h" 51 #include "actypes.h" 52 53 /* 54 * ACPI Table interfaces 55 */ 56 acpi_physical_address acpi_os_get_root_pointer(void); 57 58 /* 59 * Memory mapping 60 */ 61 void __iomem *acpi_os_map_memory(acpi_physical_address where, 62 acpi_native_uint length); 63 64 void acpi_os_unmap_memory(void __iomem * logical_address, acpi_size size); 65 66 /* 67 * Platform and hardware-independent I/O interfaces 68 */ 69 acpi_status acpi_os_read_port(acpi_io_address address, u32 * value, u32 width); 70 71 acpi_status acpi_os_write_port(acpi_io_address address, u32 value, u32 width); 72 73 /* 74 * Platform and hardware-independent physical memory interfaces 75 */ 76 acpi_status 77 acpi_os_read_memory(acpi_physical_address address, u32 * value, u32 width); 78 79 acpi_status 80 acpi_os_write_memory(acpi_physical_address address, u32 value, u32 width); 81 82 /* 83 * Debug print routines 84 */ 85 void ACPI_INTERNAL_VAR_XFACE acpi_os_printf(const char *format, ...); 86 87 void acpi_os_vprintf(const char *format, va_list args); 88 89 #endif /* __ACPIOSXF_H__ */ 90