1 /******************************************************************************* 2 * 3 * Module Name: rsirq - IRQ 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 ("rsirq") 158 159 160 /******************************************************************************* 161 * 162 * AcpiRsGetIrq 163 * 164 ******************************************************************************/ 165 166 ACPI_RSCONVERT_INFO AcpiRsGetIrq[9] = 167 { 168 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IRQ, 169 ACPI_RS_SIZE (ACPI_RESOURCE_IRQ), 170 ACPI_RSC_TABLE_SIZE (AcpiRsGetIrq)}, 171 172 /* Get the IRQ mask (bytes 1:2) */ 173 174 {ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]), 175 AML_OFFSET (Irq.IrqMask), 176 ACPI_RS_OFFSET (Data.Irq.InterruptCount)}, 177 178 /* Set default flags (others are zero) */ 179 180 {ACPI_RSC_SET8, ACPI_RS_OFFSET (Data.Irq.Triggering), 181 ACPI_EDGE_SENSITIVE, 182 1}, 183 184 /* Get the descriptor length (2 or 3 for IRQ descriptor) */ 185 186 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Irq.DescriptorLength), 187 AML_OFFSET (Irq.DescriptorType), 188 0}, 189 190 /* All done if no flag byte present in descriptor */ 191 192 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 3}, 193 194 /* Get flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */ 195 196 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering), 197 AML_OFFSET (Irq.Flags), 198 0}, 199 200 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity), 201 AML_OFFSET (Irq.Flags), 202 3}, 203 204 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Sharable), 205 AML_OFFSET (Irq.Flags), 206 4}, 207 208 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.WakeCapable), 209 AML_OFFSET (Irq.Flags), 210 5} 211 }; 212 213 214 /******************************************************************************* 215 * 216 * AcpiRsSetIrq 217 * 218 ******************************************************************************/ 219 220 ACPI_RSCONVERT_INFO AcpiRsSetIrq[14] = 221 { 222 /* Start with a default descriptor of length 3 */ 223 224 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IRQ, 225 sizeof (AML_RESOURCE_IRQ), 226 ACPI_RSC_TABLE_SIZE (AcpiRsSetIrq)}, 227 228 /* Convert interrupt list to 16-bit IRQ bitmask */ 229 230 {ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]), 231 AML_OFFSET (Irq.IrqMask), 232 ACPI_RS_OFFSET (Data.Irq.InterruptCount)}, 233 234 /* Set flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */ 235 236 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering), 237 AML_OFFSET (Irq.Flags), 238 0}, 239 240 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity), 241 AML_OFFSET (Irq.Flags), 242 3}, 243 244 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Sharable), 245 AML_OFFSET (Irq.Flags), 246 4}, 247 248 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.WakeCapable), 249 AML_OFFSET (Irq.Flags), 250 5}, 251 252 /* 253 * All done if the output descriptor length is required to be 3 254 * (i.e., optimization to 2 bytes cannot be attempted) 255 */ 256 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, 257 ACPI_RS_OFFSET(Data.Irq.DescriptorLength), 258 3}, 259 260 /* Set length to 2 bytes (no flags byte) */ 261 262 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)}, 263 264 /* 265 * All done if the output descriptor length is required to be 2. 266 * 267 * TBD: Perhaps we should check for error if input flags are not 268 * compatible with a 2-byte descriptor. 269 */ 270 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, 271 ACPI_RS_OFFSET(Data.Irq.DescriptorLength), 272 2}, 273 274 /* Reset length to 3 bytes (descriptor with flags byte) */ 275 276 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ)}, 277 278 /* 279 * Check if the flags byte is necessary. Not needed if the flags are: 280 * ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_HIGH, ACPI_EXCLUSIVE 281 */ 282 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, 283 ACPI_RS_OFFSET (Data.Irq.Triggering), 284 ACPI_EDGE_SENSITIVE}, 285 286 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, 287 ACPI_RS_OFFSET (Data.Irq.Polarity), 288 ACPI_ACTIVE_HIGH}, 289 290 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, 291 ACPI_RS_OFFSET (Data.Irq.Sharable), 292 ACPI_EXCLUSIVE}, 293 294 /* We can optimize to a 2-byte IrqNoFlags() descriptor */ 295 296 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)} 297 }; 298 299 300 /******************************************************************************* 301 * 302 * AcpiRsConvertExtIrq 303 * 304 ******************************************************************************/ 305 306 ACPI_RSCONVERT_INFO AcpiRsConvertExtIrq[10] = 307 { 308 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_IRQ, 309 ACPI_RS_SIZE (ACPI_RESOURCE_EXTENDED_IRQ), 310 ACPI_RSC_TABLE_SIZE (AcpiRsConvertExtIrq)}, 311 312 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_IRQ, 313 sizeof (AML_RESOURCE_EXTENDED_IRQ), 314 0}, 315 316 /* 317 * Flags: Producer/Consumer[0], Triggering[1], Polarity[2], 318 * Sharing[3], Wake[4] 319 */ 320 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.ProducerConsumer), 321 AML_OFFSET (ExtendedIrq.Flags), 322 0}, 323 324 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Triggering), 325 AML_OFFSET (ExtendedIrq.Flags), 326 1}, 327 328 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Polarity), 329 AML_OFFSET (ExtendedIrq.Flags), 330 2}, 331 332 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Sharable), 333 AML_OFFSET (ExtendedIrq.Flags), 334 3}, 335 336 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.WakeCapable), 337 AML_OFFSET (ExtendedIrq.Flags), 338 4}, 339 340 /* IRQ Table length (Byte4) */ 341 342 {ACPI_RSC_COUNT, ACPI_RS_OFFSET (Data.ExtendedIrq.InterruptCount), 343 AML_OFFSET (ExtendedIrq.InterruptCount), 344 sizeof (UINT32)}, 345 346 /* Copy every IRQ in the table, each is 32 bits */ 347 348 {ACPI_RSC_MOVE32, ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]), 349 AML_OFFSET (ExtendedIrq.Interrupts[0]), 350 0}, 351 352 /* Optional ResourceSource (Index and String) */ 353 354 {ACPI_RSC_SOURCEX, ACPI_RS_OFFSET (Data.ExtendedIrq.ResourceSource), 355 ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]), 356 sizeof (AML_RESOURCE_EXTENDED_IRQ)} 357 }; 358 359 360 /******************************************************************************* 361 * 362 * AcpiRsConvertDma 363 * 364 ******************************************************************************/ 365 366 ACPI_RSCONVERT_INFO AcpiRsConvertDma[6] = 367 { 368 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_DMA, 369 ACPI_RS_SIZE (ACPI_RESOURCE_DMA), 370 ACPI_RSC_TABLE_SIZE (AcpiRsConvertDma)}, 371 372 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_DMA, 373 sizeof (AML_RESOURCE_DMA), 374 0}, 375 376 /* Flags: transfer preference, bus mastering, channel speed */ 377 378 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Transfer), 379 AML_OFFSET (Dma.Flags), 380 0}, 381 382 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Dma.BusMaster), 383 AML_OFFSET (Dma.Flags), 384 2}, 385 386 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Type), 387 AML_OFFSET (Dma.Flags), 388 5}, 389 390 /* DMA channel mask bits */ 391 392 {ACPI_RSC_BITMASK, ACPI_RS_OFFSET (Data.Dma.Channels[0]), 393 AML_OFFSET (Dma.DmaChannelMask), 394 ACPI_RS_OFFSET (Data.Dma.ChannelCount)} 395 }; 396 397 398 /******************************************************************************* 399 * 400 * AcpiRsConvertFixedDma 401 * 402 ******************************************************************************/ 403 404 ACPI_RSCONVERT_INFO AcpiRsConvertFixedDma[4] = 405 { 406 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_DMA, 407 ACPI_RS_SIZE (ACPI_RESOURCE_FIXED_DMA), 408 ACPI_RSC_TABLE_SIZE (AcpiRsConvertFixedDma)}, 409 410 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_DMA, 411 sizeof (AML_RESOURCE_FIXED_DMA), 412 0}, 413 414 /* 415 * These fields are contiguous in both the source and destination: 416 * RequestLines 417 * Channels 418 */ 419 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET (Data.FixedDma.RequestLines), 420 AML_OFFSET (FixedDma.RequestLines), 421 2}, 422 423 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.FixedDma.Width), 424 AML_OFFSET (FixedDma.Width), 425 1}, 426 }; 427