1 /******************************************************************************* 2 * 3 * Module Name: rsio - IO and DMA resource descriptors 4 * 5 ******************************************************************************/ 6 7 /****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2016, Intel Corp. 12 * All rights reserved. 13 * 14 * 2. License 15 * 16 * 2.1. This is your license from Intel Corp. under its intellectual property 17 * rights. You may have additional license terms from the party that provided 18 * you this software, covering your right to use that party's intellectual 19 * property rights. 20 * 21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22 * copy of the source code appearing in this file ("Covered Code") an 23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24 * base code distributed originally by Intel ("Original Intel Code") to copy, 25 * make derivatives, distribute, use and display any portion of the Covered 26 * Code in any form, with the right to sublicense such rights; and 27 * 28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29 * license (with the right to sublicense), under only those claims of Intel 30 * patents that are infringed by the Original Intel Code, to make, use, sell, 31 * offer to sell, and import the Covered Code and derivative works thereof 32 * solely to the minimum extent necessary to exercise the above copyright 33 * license, and in no event shall the patent license extend to any additions 34 * to or modifications of the Original Intel Code. No other license or right 35 * is granted directly or by implication, estoppel or otherwise; 36 * 37 * The above copyright and patent license is granted only if the following 38 * conditions are met: 39 * 40 * 3. Conditions 41 * 42 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43 * Redistribution of source code of any substantial portion of the Covered 44 * Code or modification with rights to further distribute source must include 45 * the above Copyright Notice, the above License, this list of Conditions, 46 * and the following Disclaimer and Export Compliance provision. In addition, 47 * Licensee must cause all Covered Code to which Licensee contributes to 48 * contain a file documenting the changes Licensee made to create that Covered 49 * Code and the date of any change. Licensee must include in that file the 50 * documentation of any changes made by any predecessor Licensee. Licensee 51 * must include a prominent statement that the modification is derived, 52 * directly or indirectly, from Original Intel Code. 53 * 54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55 * Redistribution of source code of any substantial portion of the Covered 56 * Code or modification without rights to further distribute source must 57 * include the following Disclaimer and Export Compliance provision in the 58 * documentation and/or other materials provided with distribution. In 59 * addition, Licensee may not authorize further sublicense of source of any 60 * portion of the Covered Code, and must include terms to the effect that the 61 * license from Licensee to its licensee is limited to the intellectual 62 * property embodied in the software Licensee provides to its licensee, and 63 * not to intellectual property embodied in modifications its licensee may 64 * make. 65 * 66 * 3.3. Redistribution of Executable. Redistribution in executable form of any 67 * substantial portion of the Covered Code or modification must reproduce the 68 * above Copyright Notice, and the following Disclaimer and Export Compliance 69 * provision in the documentation and/or other materials provided with the 70 * distribution. 71 * 72 * 3.4. Intel retains all right, title, and interest in and to the Original 73 * Intel Code. 74 * 75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76 * Intel shall be used in advertising or otherwise to promote the sale, use or 77 * other dealings in products derived from or relating to the Covered Code 78 * without prior written authorization from Intel. 79 * 80 * 4. Disclaimer and Export Compliance 81 * 82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 88 * PARTICULAR PURPOSE. 89 * 90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 97 * LIMITED REMEDY. 98 * 99 * 4.3. Licensee shall not export, either directly or indirectly, any of this 100 * software or system incorporating such software without first obtaining any 101 * required license or other approval from the U. S. Department of Commerce or 102 * any other agency or department of the United States Government. In the 103 * event Licensee exports any such software from the United States or 104 * re-exports any such software from a foreign destination, Licensee shall 105 * ensure that the distribution and export/re-export of the software is in 106 * compliance with all laws, regulations, orders, or other restrictions of the 107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 108 * any of its subsidiaries will export/re-export any technical data, process, 109 * software, or service, directly or indirectly, to any country for which the 110 * United States government or any agency thereof requires an export license, 111 * other governmental approval, or letter of assurance, without first obtaining 112 * such license, approval or letter. 113 * 114 *****************************************************************************/ 115 116 #include "acpi.h" 117 #include "accommon.h" 118 #include "acresrc.h" 119 120 #define _COMPONENT ACPI_RESOURCES 121 ACPI_MODULE_NAME ("rsio") 122 123 124 /******************************************************************************* 125 * 126 * AcpiRsConvertIo 127 * 128 ******************************************************************************/ 129 130 ACPI_RSCONVERT_INFO AcpiRsConvertIo[5] = 131 { 132 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IO, 133 ACPI_RS_SIZE (ACPI_RESOURCE_IO), 134 ACPI_RSC_TABLE_SIZE (AcpiRsConvertIo)}, 135 136 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IO, 137 sizeof (AML_RESOURCE_IO), 138 0}, 139 140 /* Decode flag */ 141 142 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Io.IoDecode), 143 AML_OFFSET (Io.Flags), 144 0}, 145 /* 146 * These fields are contiguous in both the source and destination: 147 * Address Alignment 148 * Length 149 * Minimum Base Address 150 * Maximum Base Address 151 */ 152 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.Io.Alignment), 153 AML_OFFSET (Io.Alignment), 154 2}, 155 156 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET (Data.Io.Minimum), 157 AML_OFFSET (Io.Minimum), 158 2} 159 }; 160 161 162 /******************************************************************************* 163 * 164 * AcpiRsConvertFixedIo 165 * 166 ******************************************************************************/ 167 168 ACPI_RSCONVERT_INFO AcpiRsConvertFixedIo[4] = 169 { 170 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_IO, 171 ACPI_RS_SIZE (ACPI_RESOURCE_FIXED_IO), 172 ACPI_RSC_TABLE_SIZE (AcpiRsConvertFixedIo)}, 173 174 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_IO, 175 sizeof (AML_RESOURCE_FIXED_IO), 176 0}, 177 /* 178 * These fields are contiguous in both the source and destination: 179 * Base Address 180 * Length 181 */ 182 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.FixedIo.AddressLength), 183 AML_OFFSET (FixedIo.AddressLength), 184 1}, 185 186 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET (Data.FixedIo.Address), 187 AML_OFFSET (FixedIo.Address), 188 1} 189 }; 190 191 192 /******************************************************************************* 193 * 194 * AcpiRsConvertGenericReg 195 * 196 ******************************************************************************/ 197 198 ACPI_RSCONVERT_INFO AcpiRsConvertGenericReg[4] = 199 { 200 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_GENERIC_REGISTER, 201 ACPI_RS_SIZE (ACPI_RESOURCE_GENERIC_REGISTER), 202 ACPI_RSC_TABLE_SIZE (AcpiRsConvertGenericReg)}, 203 204 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_GENERIC_REGISTER, 205 sizeof (AML_RESOURCE_GENERIC_REGISTER), 206 0}, 207 /* 208 * These fields are contiguous in both the source and destination: 209 * Address Space ID 210 * Register Bit Width 211 * Register Bit Offset 212 * Access Size 213 */ 214 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.GenericReg.SpaceId), 215 AML_OFFSET (GenericReg.AddressSpaceId), 216 4}, 217 218 /* Get the Register Address */ 219 220 {ACPI_RSC_MOVE64, ACPI_RS_OFFSET (Data.GenericReg.Address), 221 AML_OFFSET (GenericReg.Address), 222 1} 223 }; 224 225 226 /******************************************************************************* 227 * 228 * AcpiRsConvertEndDpf 229 * 230 ******************************************************************************/ 231 232 ACPI_RSCONVERT_INFO AcpiRsConvertEndDpf[2] = 233 { 234 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_DEPENDENT, 235 ACPI_RS_SIZE_MIN, 236 ACPI_RSC_TABLE_SIZE (AcpiRsConvertEndDpf)}, 237 238 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_DEPENDENT, 239 sizeof (AML_RESOURCE_END_DEPENDENT), 240 0} 241 }; 242 243 244 /******************************************************************************* 245 * 246 * AcpiRsConvertEndTag 247 * 248 ******************************************************************************/ 249 250 ACPI_RSCONVERT_INFO AcpiRsConvertEndTag[2] = 251 { 252 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_TAG, 253 ACPI_RS_SIZE_MIN, 254 ACPI_RSC_TABLE_SIZE (AcpiRsConvertEndTag)}, 255 256 /* 257 * Note: The checksum field is set to zero, meaning that the resource 258 * data is treated as if the checksum operation succeeded. 259 * (ACPI Spec 1.0b Section 6.4.2.8) 260 */ 261 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_TAG, 262 sizeof (AML_RESOURCE_END_TAG), 263 0} 264 }; 265 266 267 /******************************************************************************* 268 * 269 * AcpiRsGetStartDpf 270 * 271 ******************************************************************************/ 272 273 ACPI_RSCONVERT_INFO AcpiRsGetStartDpf[6] = 274 { 275 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_START_DEPENDENT, 276 ACPI_RS_SIZE (ACPI_RESOURCE_START_DEPENDENT), 277 ACPI_RSC_TABLE_SIZE (AcpiRsGetStartDpf)}, 278 279 /* Defaults for Compatibility and Performance priorities */ 280 281 {ACPI_RSC_SET8, ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority), 282 ACPI_ACCEPTABLE_CONFIGURATION, 283 2}, 284 285 /* Get the descriptor length (0 or 1 for Start Dpf descriptor) */ 286 287 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.DescriptorLength), 288 AML_OFFSET (StartDpf.DescriptorType), 289 0}, 290 291 /* All done if there is no flag byte present in the descriptor */ 292 293 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 1}, 294 295 /* Flag byte is present, get the flags */ 296 297 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority), 298 AML_OFFSET (StartDpf.Flags), 299 0}, 300 301 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.PerformanceRobustness), 302 AML_OFFSET (StartDpf.Flags), 303 2} 304 }; 305 306 307 /******************************************************************************* 308 * 309 * AcpiRsSetStartDpf 310 * 311 ******************************************************************************/ 312 313 ACPI_RSCONVERT_INFO AcpiRsSetStartDpf[10] = 314 { 315 /* Start with a default descriptor of length 1 */ 316 317 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_START_DEPENDENT, 318 sizeof (AML_RESOURCE_START_DEPENDENT), 319 ACPI_RSC_TABLE_SIZE (AcpiRsSetStartDpf)}, 320 321 /* Set the default flag values */ 322 323 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority), 324 AML_OFFSET (StartDpf.Flags), 325 0}, 326 327 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.PerformanceRobustness), 328 AML_OFFSET (StartDpf.Flags), 329 2}, 330 /* 331 * All done if the output descriptor length is required to be 1 332 * (i.e., optimization to 0 bytes cannot be attempted) 333 */ 334 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, 335 ACPI_RS_OFFSET(Data.StartDpf.DescriptorLength), 336 1}, 337 338 /* Set length to 0 bytes (no flags byte) */ 339 340 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_START_DEPENDENT_NOPRIO)}, 341 342 /* 343 * All done if the output descriptor length is required to be 0. 344 * 345 * TBD: Perhaps we should check for error if input flags are not 346 * compatible with a 0-byte descriptor. 347 */ 348 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, 349 ACPI_RS_OFFSET(Data.StartDpf.DescriptorLength), 350 0}, 351 352 /* Reset length to 1 byte (descriptor with flags byte) */ 353 354 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_START_DEPENDENT)}, 355 356 357 /* 358 * All done if flags byte is necessary -- if either priority value 359 * is not ACPI_ACCEPTABLE_CONFIGURATION 360 */ 361 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, 362 ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority), 363 ACPI_ACCEPTABLE_CONFIGURATION}, 364 365 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, 366 ACPI_RS_OFFSET (Data.StartDpf.PerformanceRobustness), 367 ACPI_ACCEPTABLE_CONFIGURATION}, 368 369 /* Flag byte is not necessary */ 370 371 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_START_DEPENDENT_NOPRIO)} 372 }; 373