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 - 2018, 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 * Alternatively, you may choose to be licensed under the terms of the 117 * following license: 118 * 119 * Redistribution and use in source and binary forms, with or without 120 * modification, are permitted provided that the following conditions 121 * are met: 122 * 1. Redistributions of source code must retain the above copyright 123 * notice, this list of conditions, and the following disclaimer, 124 * without modification. 125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 126 * substantially similar to the "NO WARRANTY" disclaimer below 127 * ("Disclaimer") and any redistribution must be conditioned upon 128 * including a substantially similar Disclaimer requirement for further 129 * binary redistribution. 130 * 3. Neither the names of the above-listed copyright holders nor the names 131 * of any contributors may be used to endorse or promote products derived 132 * from this software without specific prior written permission. 133 * 134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 145 * 146 * Alternatively, you may choose to be licensed under the terms of the 147 * GNU General Public License ("GPL") version 2 as published by the Free 148 * Software Foundation. 149 * 150 *****************************************************************************/ 151 152 #include "acpi.h" 153 #include "accommon.h" 154 #include "acresrc.h" 155 156 #define _COMPONENT ACPI_RESOURCES 157 ACPI_MODULE_NAME ("rsio") 158 159 160 /******************************************************************************* 161 * 162 * AcpiRsConvertIo 163 * 164 ******************************************************************************/ 165 166 ACPI_RSCONVERT_INFO AcpiRsConvertIo[5] = 167 { 168 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IO, 169 ACPI_RS_SIZE (ACPI_RESOURCE_IO), 170 ACPI_RSC_TABLE_SIZE (AcpiRsConvertIo)}, 171 172 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IO, 173 sizeof (AML_RESOURCE_IO), 174 0}, 175 176 /* Decode flag */ 177 178 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Io.IoDecode), 179 AML_OFFSET (Io.Flags), 180 0}, 181 /* 182 * These fields are contiguous in both the source and destination: 183 * Address Alignment 184 * Length 185 * Minimum Base Address 186 * Maximum Base Address 187 */ 188 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.Io.Alignment), 189 AML_OFFSET (Io.Alignment), 190 2}, 191 192 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET (Data.Io.Minimum), 193 AML_OFFSET (Io.Minimum), 194 2} 195 }; 196 197 198 /******************************************************************************* 199 * 200 * AcpiRsConvertFixedIo 201 * 202 ******************************************************************************/ 203 204 ACPI_RSCONVERT_INFO AcpiRsConvertFixedIo[4] = 205 { 206 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_IO, 207 ACPI_RS_SIZE (ACPI_RESOURCE_FIXED_IO), 208 ACPI_RSC_TABLE_SIZE (AcpiRsConvertFixedIo)}, 209 210 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_IO, 211 sizeof (AML_RESOURCE_FIXED_IO), 212 0}, 213 /* 214 * These fields are contiguous in both the source and destination: 215 * Base Address 216 * Length 217 */ 218 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.FixedIo.AddressLength), 219 AML_OFFSET (FixedIo.AddressLength), 220 1}, 221 222 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET (Data.FixedIo.Address), 223 AML_OFFSET (FixedIo.Address), 224 1} 225 }; 226 227 228 /******************************************************************************* 229 * 230 * AcpiRsConvertGenericReg 231 * 232 ******************************************************************************/ 233 234 ACPI_RSCONVERT_INFO AcpiRsConvertGenericReg[4] = 235 { 236 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_GENERIC_REGISTER, 237 ACPI_RS_SIZE (ACPI_RESOURCE_GENERIC_REGISTER), 238 ACPI_RSC_TABLE_SIZE (AcpiRsConvertGenericReg)}, 239 240 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_GENERIC_REGISTER, 241 sizeof (AML_RESOURCE_GENERIC_REGISTER), 242 0}, 243 /* 244 * These fields are contiguous in both the source and destination: 245 * Address Space ID 246 * Register Bit Width 247 * Register Bit Offset 248 * Access Size 249 */ 250 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.GenericReg.SpaceId), 251 AML_OFFSET (GenericReg.AddressSpaceId), 252 4}, 253 254 /* Get the Register Address */ 255 256 {ACPI_RSC_MOVE64, ACPI_RS_OFFSET (Data.GenericReg.Address), 257 AML_OFFSET (GenericReg.Address), 258 1} 259 }; 260 261 262 /******************************************************************************* 263 * 264 * AcpiRsConvertEndDpf 265 * 266 ******************************************************************************/ 267 268 ACPI_RSCONVERT_INFO AcpiRsConvertEndDpf[2] = 269 { 270 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_DEPENDENT, 271 ACPI_RS_SIZE_MIN, 272 ACPI_RSC_TABLE_SIZE (AcpiRsConvertEndDpf)}, 273 274 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_DEPENDENT, 275 sizeof (AML_RESOURCE_END_DEPENDENT), 276 0} 277 }; 278 279 280 /******************************************************************************* 281 * 282 * AcpiRsConvertEndTag 283 * 284 ******************************************************************************/ 285 286 ACPI_RSCONVERT_INFO AcpiRsConvertEndTag[2] = 287 { 288 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_TAG, 289 ACPI_RS_SIZE_MIN, 290 ACPI_RSC_TABLE_SIZE (AcpiRsConvertEndTag)}, 291 292 /* 293 * Note: The checksum field is set to zero, meaning that the resource 294 * data is treated as if the checksum operation succeeded. 295 * (ACPI Spec 1.0b Section 6.4.2.8) 296 */ 297 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_TAG, 298 sizeof (AML_RESOURCE_END_TAG), 299 0} 300 }; 301 302 303 /******************************************************************************* 304 * 305 * AcpiRsGetStartDpf 306 * 307 ******************************************************************************/ 308 309 ACPI_RSCONVERT_INFO AcpiRsGetStartDpf[6] = 310 { 311 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_START_DEPENDENT, 312 ACPI_RS_SIZE (ACPI_RESOURCE_START_DEPENDENT), 313 ACPI_RSC_TABLE_SIZE (AcpiRsGetStartDpf)}, 314 315 /* Defaults for Compatibility and Performance priorities */ 316 317 {ACPI_RSC_SET8, ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority), 318 ACPI_ACCEPTABLE_CONFIGURATION, 319 2}, 320 321 /* Get the descriptor length (0 or 1 for Start Dpf descriptor) */ 322 323 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.DescriptorLength), 324 AML_OFFSET (StartDpf.DescriptorType), 325 0}, 326 327 /* All done if there is no flag byte present in the descriptor */ 328 329 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 1}, 330 331 /* Flag byte is present, get the flags */ 332 333 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority), 334 AML_OFFSET (StartDpf.Flags), 335 0}, 336 337 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.PerformanceRobustness), 338 AML_OFFSET (StartDpf.Flags), 339 2} 340 }; 341 342 343 /******************************************************************************* 344 * 345 * AcpiRsSetStartDpf 346 * 347 ******************************************************************************/ 348 349 ACPI_RSCONVERT_INFO AcpiRsSetStartDpf[10] = 350 { 351 /* Start with a default descriptor of length 1 */ 352 353 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_START_DEPENDENT, 354 sizeof (AML_RESOURCE_START_DEPENDENT), 355 ACPI_RSC_TABLE_SIZE (AcpiRsSetStartDpf)}, 356 357 /* Set the default flag values */ 358 359 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority), 360 AML_OFFSET (StartDpf.Flags), 361 0}, 362 363 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.PerformanceRobustness), 364 AML_OFFSET (StartDpf.Flags), 365 2}, 366 /* 367 * All done if the output descriptor length is required to be 1 368 * (i.e., optimization to 0 bytes cannot be attempted) 369 */ 370 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, 371 ACPI_RS_OFFSET(Data.StartDpf.DescriptorLength), 372 1}, 373 374 /* Set length to 0 bytes (no flags byte) */ 375 376 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_START_DEPENDENT_NOPRIO)}, 377 378 /* 379 * All done if the output descriptor length is required to be 0. 380 * 381 * TBD: Perhaps we should check for error if input flags are not 382 * compatible with a 0-byte descriptor. 383 */ 384 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, 385 ACPI_RS_OFFSET(Data.StartDpf.DescriptorLength), 386 0}, 387 388 /* Reset length to 1 byte (descriptor with flags byte) */ 389 390 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_START_DEPENDENT)}, 391 392 393 /* 394 * All done if flags byte is necessary -- if either priority value 395 * is not ACPI_ACCEPTABLE_CONFIGURATION 396 */ 397 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, 398 ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority), 399 ACPI_ACCEPTABLE_CONFIGURATION}, 400 401 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, 402 ACPI_RS_OFFSET (Data.StartDpf.PerformanceRobustness), 403 ACPI_ACCEPTABLE_CONFIGURATION}, 404 405 /* Flag byte is not necessary */ 406 407 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_START_DEPENDENT_NOPRIO)} 408 }; 409