1/******************************************************************************* 2 * 3 * Module Name: rsio - IO and DMA resource descriptors 4 * 5 ******************************************************************************/ 6 7/* 8 * Copyright (C) 2000 - 2007, R. Byron Moore 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions, and the following disclaimer, 16 * without modification. 17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 * substantially similar to the "NO WARRANTY" disclaimer below 19 * ("Disclaimer") and any redistribution must be conditioned upon 20 * including a substantially similar Disclaimer requirement for further 21 * binary redistribution. 22 * 3. Neither the names of the above-listed copyright holders nor the names 23 * of any contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * Alternatively, this software may be distributed under the terms of the 27 * GNU General Public License ("GPL") version 2 as published by the Free 28 * Software Foundation. 29 * 30 * NO WARRANTY 31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 * POSSIBILITY OF SUCH DAMAGES. 42 */ 43 44#include <acpi/acpi.h> 45#include <acpi/acresrc.h> 46 47#define _COMPONENT ACPI_RESOURCES 48ACPI_MODULE_NAME("rsio") 49 50/******************************************************************************* 51 * 52 * acpi_rs_convert_io 53 * 54 ******************************************************************************/ 55struct acpi_rsconvert_info acpi_rs_convert_io[5] = { 56 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IO, 57 ACPI_RS_SIZE(struct acpi_resource_io), 58 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_io)}, 59 60 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IO, 61 sizeof(struct aml_resource_io), 62 0}, 63 64 /* Decode flag */ 65 66 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.io.io_decode), 67 AML_OFFSET(io.flags), 68 0}, 69 /* 70 * These fields are contiguous in both the source and destination: 71 * Address Alignment 72 * Length 73 * Minimum Base Address 74 * Maximum Base Address 75 */ 76 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.io.alignment), 77 AML_OFFSET(io.alignment), 78 2}, 79 80 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.io.minimum), 81 AML_OFFSET(io.minimum), 82 2} 83}; 84 85/******************************************************************************* 86 * 87 * acpi_rs_convert_fixed_io 88 * 89 ******************************************************************************/ 90 91struct acpi_rsconvert_info acpi_rs_convert_fixed_io[4] = { 92 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_IO, 93 ACPI_RS_SIZE(struct acpi_resource_fixed_io), 94 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_fixed_io)}, 95 96 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_IO, 97 sizeof(struct aml_resource_fixed_io), 98 0}, 99 /* 100 * These fields are contiguous in both the source and destination: 101 * Base Address 102 * Length 103 */ 104 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.fixed_io.address_length), 105 AML_OFFSET(fixed_io.address_length), 106 1}, 107 108 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.fixed_io.address), 109 AML_OFFSET(fixed_io.address), 110 1} 111}; 112 113/******************************************************************************* 114 * 115 * acpi_rs_convert_generic_reg 116 * 117 ******************************************************************************/ 118 119struct acpi_rsconvert_info acpi_rs_convert_generic_reg[4] = { 120 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_GENERIC_REGISTER, 121 ACPI_RS_SIZE(struct acpi_resource_generic_register), 122 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_generic_reg)}, 123 124 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_GENERIC_REGISTER, 125 sizeof(struct aml_resource_generic_register), 126 0}, 127 /* 128 * These fields are contiguous in both the source and destination: 129 * Address Space ID 130 * Register Bit Width 131 * Register Bit Offset 132 * Access Size 133 */ 134 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.generic_reg.space_id), 135 AML_OFFSET(generic_reg.address_space_id), 136 4}, 137 138 /* Get the Register Address */ 139 140 {ACPI_RSC_MOVE64, ACPI_RS_OFFSET(data.generic_reg.address), 141 AML_OFFSET(generic_reg.address), 142 1} 143}; 144 145/******************************************************************************* 146 * 147 * acpi_rs_convert_end_dpf 148 * 149 ******************************************************************************/ 150 151struct acpi_rsconvert_info acpi_rs_convert_end_dpf[2] = { 152 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_DEPENDENT, 153 ACPI_RS_SIZE_MIN, 154 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_end_dpf)}, 155 156 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_DEPENDENT, 157 sizeof(struct aml_resource_end_dependent), 158 0} 159}; 160 161/******************************************************************************* 162 * 163 * acpi_rs_convert_end_tag 164 * 165 ******************************************************************************/ 166 167struct acpi_rsconvert_info acpi_rs_convert_end_tag[2] = { 168 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_TAG, 169 ACPI_RS_SIZE_MIN, 170 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_end_tag)}, 171 172 /* 173 * Note: The checksum field is set to zero, meaning that the resource 174 * data is treated as if the checksum operation succeeded. 175 * (ACPI Spec 1.0b Section 6.4.2.8) 176 */ 177 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_TAG, 178 sizeof(struct aml_resource_end_tag), 179 0} 180}; 181 182/******************************************************************************* 183 * 184 * acpi_rs_get_start_dpf 185 * 186 ******************************************************************************/ 187 188struct acpi_rsconvert_info acpi_rs_get_start_dpf[5] = { 189 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_START_DEPENDENT, 190 ACPI_RS_SIZE(struct acpi_resource_start_dependent), 191 ACPI_RSC_TABLE_SIZE(acpi_rs_get_start_dpf)}, 192 193 /* Defaults for Compatibility and Performance priorities */ 194 195 {ACPI_RSC_SET8, ACPI_RS_OFFSET(data.start_dpf.compatibility_priority), 196 ACPI_ACCEPTABLE_CONFIGURATION, 197 2}, 198 199 /* All done if there is no flag byte present in the descriptor */ 200 201 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 1}, 202 203 /* Flag byte is present, get the flags */ 204 205 {ACPI_RSC_2BITFLAG, 206 ACPI_RS_OFFSET(data.start_dpf.compatibility_priority), 207 AML_OFFSET(start_dpf.flags), 208 0}, 209 210 {ACPI_RSC_2BITFLAG, 211 ACPI_RS_OFFSET(data.start_dpf.performance_robustness), 212 AML_OFFSET(start_dpf.flags), 213 2} 214}; 215 216/******************************************************************************* 217 * 218 * acpi_rs_set_start_dpf 219 * 220 ******************************************************************************/ 221 222struct acpi_rsconvert_info acpi_rs_set_start_dpf[6] = { 223 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_START_DEPENDENT, 224 sizeof(struct aml_resource_start_dependent), 225 ACPI_RSC_TABLE_SIZE(acpi_rs_set_start_dpf)}, 226 227 /* Set the default flag values */ 228 229 {ACPI_RSC_2BITFLAG, 230 ACPI_RS_OFFSET(data.start_dpf.compatibility_priority), 231 AML_OFFSET(start_dpf.flags), 232 0}, 233 234 {ACPI_RSC_2BITFLAG, 235 ACPI_RS_OFFSET(data.start_dpf.performance_robustness), 236 AML_OFFSET(start_dpf.flags), 237 2}, 238 /* 239 * All done if flags byte is necessary -- if either priority value 240 * is not ACPI_ACCEPTABLE_CONFIGURATION 241 */ 242 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, 243 ACPI_RS_OFFSET(data.start_dpf.compatibility_priority), 244 ACPI_ACCEPTABLE_CONFIGURATION}, 245 246 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, 247 ACPI_RS_OFFSET(data.start_dpf.performance_robustness), 248 ACPI_ACCEPTABLE_CONFIGURATION}, 249 250 /* Flag byte is not necessary */ 251 252 {ACPI_RSC_LENGTH, 0, 0, 253 sizeof(struct aml_resource_start_dependent_noprio)} 254}; 255