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 - 2015, 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 ("rsirq") 122 123 124 /******************************************************************************* 125 * 126 * AcpiRsGetIrq 127 * 128 ******************************************************************************/ 129 130 ACPI_RSCONVERT_INFO AcpiRsGetIrq[9] = 131 { 132 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IRQ, 133 ACPI_RS_SIZE (ACPI_RESOURCE_IRQ), 134 ACPI_RSC_TABLE_SIZE (AcpiRsGetIrq)}, 135 136 /* Get the IRQ mask (bytes 1:2) */ 137 138 {ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]), 139 AML_OFFSET (Irq.IrqMask), 140 ACPI_RS_OFFSET (Data.Irq.InterruptCount)}, 141 142 /* Set default flags (others are zero) */ 143 144 {ACPI_RSC_SET8, ACPI_RS_OFFSET (Data.Irq.Triggering), 145 ACPI_EDGE_SENSITIVE, 146 1}, 147 148 /* Get the descriptor length (2 or 3 for IRQ descriptor) */ 149 150 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Irq.DescriptorLength), 151 AML_OFFSET (Irq.DescriptorType), 152 0}, 153 154 /* All done if no flag byte present in descriptor */ 155 156 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 3}, 157 158 /* Get flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */ 159 160 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering), 161 AML_OFFSET (Irq.Flags), 162 0}, 163 164 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity), 165 AML_OFFSET (Irq.Flags), 166 3}, 167 168 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Sharable), 169 AML_OFFSET (Irq.Flags), 170 4}, 171 172 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.WakeCapable), 173 AML_OFFSET (Irq.Flags), 174 5} 175 }; 176 177 178 /******************************************************************************* 179 * 180 * AcpiRsSetIrq 181 * 182 ******************************************************************************/ 183 184 ACPI_RSCONVERT_INFO AcpiRsSetIrq[14] = 185 { 186 /* Start with a default descriptor of length 3 */ 187 188 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IRQ, 189 sizeof (AML_RESOURCE_IRQ), 190 ACPI_RSC_TABLE_SIZE (AcpiRsSetIrq)}, 191 192 /* Convert interrupt list to 16-bit IRQ bitmask */ 193 194 {ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]), 195 AML_OFFSET (Irq.IrqMask), 196 ACPI_RS_OFFSET (Data.Irq.InterruptCount)}, 197 198 /* Set flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */ 199 200 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering), 201 AML_OFFSET (Irq.Flags), 202 0}, 203 204 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity), 205 AML_OFFSET (Irq.Flags), 206 3}, 207 208 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Sharable), 209 AML_OFFSET (Irq.Flags), 210 4}, 211 212 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.WakeCapable), 213 AML_OFFSET (Irq.Flags), 214 5}, 215 216 /* 217 * All done if the output descriptor length is required to be 3 218 * (i.e., optimization to 2 bytes cannot be attempted) 219 */ 220 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, 221 ACPI_RS_OFFSET(Data.Irq.DescriptorLength), 222 3}, 223 224 /* Set length to 2 bytes (no flags byte) */ 225 226 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)}, 227 228 /* 229 * All done if the output descriptor length is required to be 2. 230 * 231 * TBD: Perhaps we should check for error if input flags are not 232 * compatible with a 2-byte descriptor. 233 */ 234 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, 235 ACPI_RS_OFFSET(Data.Irq.DescriptorLength), 236 2}, 237 238 /* Reset length to 3 bytes (descriptor with flags byte) */ 239 240 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ)}, 241 242 /* 243 * Check if the flags byte is necessary. Not needed if the flags are: 244 * ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_HIGH, ACPI_EXCLUSIVE 245 */ 246 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, 247 ACPI_RS_OFFSET (Data.Irq.Triggering), 248 ACPI_EDGE_SENSITIVE}, 249 250 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, 251 ACPI_RS_OFFSET (Data.Irq.Polarity), 252 ACPI_ACTIVE_HIGH}, 253 254 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, 255 ACPI_RS_OFFSET (Data.Irq.Sharable), 256 ACPI_EXCLUSIVE}, 257 258 /* We can optimize to a 2-byte IrqNoFlags() descriptor */ 259 260 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)} 261 }; 262 263 264 /******************************************************************************* 265 * 266 * AcpiRsConvertExtIrq 267 * 268 ******************************************************************************/ 269 270 ACPI_RSCONVERT_INFO AcpiRsConvertExtIrq[10] = 271 { 272 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_IRQ, 273 ACPI_RS_SIZE (ACPI_RESOURCE_EXTENDED_IRQ), 274 ACPI_RSC_TABLE_SIZE (AcpiRsConvertExtIrq)}, 275 276 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_IRQ, 277 sizeof (AML_RESOURCE_EXTENDED_IRQ), 278 0}, 279 280 /* 281 * Flags: Producer/Consumer[0], Triggering[1], Polarity[2], 282 * Sharing[3], Wake[4] 283 */ 284 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.ProducerConsumer), 285 AML_OFFSET (ExtendedIrq.Flags), 286 0}, 287 288 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Triggering), 289 AML_OFFSET (ExtendedIrq.Flags), 290 1}, 291 292 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Polarity), 293 AML_OFFSET (ExtendedIrq.Flags), 294 2}, 295 296 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Sharable), 297 AML_OFFSET (ExtendedIrq.Flags), 298 3}, 299 300 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.WakeCapable), 301 AML_OFFSET (ExtendedIrq.Flags), 302 4}, 303 304 /* IRQ Table length (Byte4) */ 305 306 {ACPI_RSC_COUNT, ACPI_RS_OFFSET (Data.ExtendedIrq.InterruptCount), 307 AML_OFFSET (ExtendedIrq.InterruptCount), 308 sizeof (UINT32)}, 309 310 /* Copy every IRQ in the table, each is 32 bits */ 311 312 {ACPI_RSC_MOVE32, ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]), 313 AML_OFFSET (ExtendedIrq.Interrupts[0]), 314 0}, 315 316 /* Optional ResourceSource (Index and String) */ 317 318 {ACPI_RSC_SOURCEX, ACPI_RS_OFFSET (Data.ExtendedIrq.ResourceSource), 319 ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]), 320 sizeof (AML_RESOURCE_EXTENDED_IRQ)} 321 }; 322 323 324 /******************************************************************************* 325 * 326 * AcpiRsConvertDma 327 * 328 ******************************************************************************/ 329 330 ACPI_RSCONVERT_INFO AcpiRsConvertDma[6] = 331 { 332 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_DMA, 333 ACPI_RS_SIZE (ACPI_RESOURCE_DMA), 334 ACPI_RSC_TABLE_SIZE (AcpiRsConvertDma)}, 335 336 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_DMA, 337 sizeof (AML_RESOURCE_DMA), 338 0}, 339 340 /* Flags: transfer preference, bus mastering, channel speed */ 341 342 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Transfer), 343 AML_OFFSET (Dma.Flags), 344 0}, 345 346 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Dma.BusMaster), 347 AML_OFFSET (Dma.Flags), 348 2}, 349 350 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Type), 351 AML_OFFSET (Dma.Flags), 352 5}, 353 354 /* DMA channel mask bits */ 355 356 {ACPI_RSC_BITMASK, ACPI_RS_OFFSET (Data.Dma.Channels[0]), 357 AML_OFFSET (Dma.DmaChannelMask), 358 ACPI_RS_OFFSET (Data.Dma.ChannelCount)} 359 }; 360 361 362 /******************************************************************************* 363 * 364 * AcpiRsConvertFixedDma 365 * 366 ******************************************************************************/ 367 368 ACPI_RSCONVERT_INFO AcpiRsConvertFixedDma[4] = 369 { 370 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_DMA, 371 ACPI_RS_SIZE (ACPI_RESOURCE_FIXED_DMA), 372 ACPI_RSC_TABLE_SIZE (AcpiRsConvertFixedDma)}, 373 374 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_DMA, 375 sizeof (AML_RESOURCE_FIXED_DMA), 376 0}, 377 378 /* 379 * These fields are contiguous in both the source and destination: 380 * RequestLines 381 * Channels 382 */ 383 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET (Data.FixedDma.RequestLines), 384 AML_OFFSET (FixedDma.RequestLines), 385 2}, 386 387 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.FixedDma.Width), 388 AML_OFFSET (FixedDma.Width), 389 1}, 390 }; 391