1 /******************************************************************************* 2 * 3 * Module Name: rsirq - IRQ resource descriptors 4 * $Revision: 1.52 $ 5 * 6 ******************************************************************************/ 7 8 /****************************************************************************** 9 * 10 * 1. Copyright Notice 11 * 12 * Some or all of this work - Copyright (c) 1999 - 2008, Intel Corp. 13 * All rights reserved. 14 * 15 * 2. License 16 * 17 * 2.1. This is your license from Intel Corp. under its intellectual property 18 * rights. You may have additional license terms from the party that provided 19 * you this software, covering your right to use that party's intellectual 20 * property rights. 21 * 22 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 23 * copy of the source code appearing in this file ("Covered Code") an 24 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 25 * base code distributed originally by Intel ("Original Intel Code") to copy, 26 * make derivatives, distribute, use and display any portion of the Covered 27 * Code in any form, with the right to sublicense such rights; and 28 * 29 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 30 * license (with the right to sublicense), under only those claims of Intel 31 * patents that are infringed by the Original Intel Code, to make, use, sell, 32 * offer to sell, and import the Covered Code and derivative works thereof 33 * solely to the minimum extent necessary to exercise the above copyright 34 * license, and in no event shall the patent license extend to any additions 35 * to or modifications of the Original Intel Code. No other license or right 36 * is granted directly or by implication, estoppel or otherwise; 37 * 38 * The above copyright and patent license is granted only if the following 39 * conditions are met: 40 * 41 * 3. Conditions 42 * 43 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 44 * Redistribution of source code of any substantial portion of the Covered 45 * Code or modification with rights to further distribute source must include 46 * the above Copyright Notice, the above License, this list of Conditions, 47 * and the following Disclaimer and Export Compliance provision. In addition, 48 * Licensee must cause all Covered Code to which Licensee contributes to 49 * contain a file documenting the changes Licensee made to create that Covered 50 * Code and the date of any change. Licensee must include in that file the 51 * documentation of any changes made by any predecessor Licensee. Licensee 52 * must include a prominent statement that the modification is derived, 53 * directly or indirectly, from Original Intel Code. 54 * 55 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 56 * Redistribution of source code of any substantial portion of the Covered 57 * Code or modification without rights to further distribute source must 58 * include the following Disclaimer and Export Compliance provision in the 59 * documentation and/or other materials provided with distribution. In 60 * addition, Licensee may not authorize further sublicense of source of any 61 * portion of the Covered Code, and must include terms to the effect that the 62 * license from Licensee to its licensee is limited to the intellectual 63 * property embodied in the software Licensee provides to its licensee, and 64 * not to intellectual property embodied in modifications its licensee may 65 * make. 66 * 67 * 3.3. Redistribution of Executable. Redistribution in executable form of any 68 * substantial portion of the Covered Code or modification must reproduce the 69 * above Copyright Notice, and the following Disclaimer and Export Compliance 70 * provision in the documentation and/or other materials provided with the 71 * distribution. 72 * 73 * 3.4. Intel retains all right, title, and interest in and to the Original 74 * Intel Code. 75 * 76 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 77 * Intel shall be used in advertising or otherwise to promote the sale, use or 78 * other dealings in products derived from or relating to the Covered Code 79 * without prior written authorization from Intel. 80 * 81 * 4. Disclaimer and Export Compliance 82 * 83 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 84 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 85 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 86 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 87 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 88 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 89 * PARTICULAR PURPOSE. 90 * 91 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 92 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 98 * LIMITED REMEDY. 99 * 100 * 4.3. Licensee shall not export, either directly or indirectly, any of this 101 * software or system incorporating such software without first obtaining any 102 * required license or other approval from the U. S. Department of Commerce or 103 * any other agency or department of the United States Government. In the 104 * event Licensee exports any such software from the United States or 105 * re-exports any such software from a foreign destination, Licensee shall 106 * ensure that the distribution and export/re-export of the software is in 107 * compliance with all laws, regulations, orders, or other restrictions of the 108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 109 * any of its subsidiaries will export/re-export any technical data, process, 110 * software, or service, directly or indirectly, to any country for which the 111 * United States government or any agency thereof requires an export license, 112 * other governmental approval, or letter of assurance, without first obtaining 113 * such license, approval or letter. 114 * 115 *****************************************************************************/ 116 117 #define __RSIRQ_C__ 118 119 #include "acpi.h" 120 #include "acresrc.h" 121 122 #define _COMPONENT ACPI_RESOURCES 123 ACPI_MODULE_NAME ("rsirq") 124 125 126 /******************************************************************************* 127 * 128 * AcpiRsGetIrq 129 * 130 ******************************************************************************/ 131 132 ACPI_RSCONVERT_INFO AcpiRsGetIrq[8] = 133 { 134 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IRQ, 135 ACPI_RS_SIZE (ACPI_RESOURCE_IRQ), 136 ACPI_RSC_TABLE_SIZE (AcpiRsGetIrq)}, 137 138 /* Get the IRQ mask (bytes 1:2) */ 139 140 {ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]), 141 AML_OFFSET (Irq.IrqMask), 142 ACPI_RS_OFFSET (Data.Irq.InterruptCount)}, 143 144 /* Set default flags (others are zero) */ 145 146 {ACPI_RSC_SET8, ACPI_RS_OFFSET (Data.Irq.Triggering), 147 ACPI_EDGE_SENSITIVE, 148 1}, 149 150 /* Get the descriptor length (2 or 3 for IRQ descriptor) */ 151 152 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Irq.DescriptorLength), 153 AML_OFFSET (Irq.DescriptorType), 154 0}, 155 156 /* All done if no flag byte present in descriptor */ 157 158 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 3}, 159 160 /* Get flags: Triggering[0], Polarity[3], Sharing[4] */ 161 162 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering), 163 AML_OFFSET (Irq.Flags), 164 0}, 165 166 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity), 167 AML_OFFSET (Irq.Flags), 168 3}, 169 170 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Sharable), 171 AML_OFFSET (Irq.Flags), 172 4} 173 }; 174 175 176 /******************************************************************************* 177 * 178 * AcpiRsSetIrq 179 * 180 ******************************************************************************/ 181 182 ACPI_RSCONVERT_INFO AcpiRsSetIrq[13] = 183 { 184 /* Start with a default descriptor of length 3 */ 185 186 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IRQ, 187 sizeof (AML_RESOURCE_IRQ), 188 ACPI_RSC_TABLE_SIZE (AcpiRsSetIrq)}, 189 190 /* Convert interrupt list to 16-bit IRQ bitmask */ 191 192 {ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]), 193 AML_OFFSET (Irq.IrqMask), 194 ACPI_RS_OFFSET (Data.Irq.InterruptCount)}, 195 196 /* Set the flags byte */ 197 198 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering), 199 AML_OFFSET (Irq.Flags), 200 0}, 201 202 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity), 203 AML_OFFSET (Irq.Flags), 204 3}, 205 206 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Sharable), 207 AML_OFFSET (Irq.Flags), 208 4}, 209 210 /* 211 * All done if the output descriptor length is required to be 3 212 * (i.e., optimization to 2 bytes cannot be attempted) 213 */ 214 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, 215 ACPI_RS_OFFSET(Data.Irq.DescriptorLength), 216 3}, 217 218 /* Set length to 2 bytes (no flags byte) */ 219 220 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)}, 221 222 /* 223 * All done if the output descriptor length is required to be 2. 224 * 225 * TBD: Perhaps we should check for error if input flags are not 226 * compatible with a 2-byte descriptor. 227 */ 228 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, 229 ACPI_RS_OFFSET(Data.Irq.DescriptorLength), 230 2}, 231 232 /* Reset length to 3 bytes (descriptor with flags byte) */ 233 234 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ)}, 235 236 /* 237 * Check if the flags byte is necessary. Not needed if the flags are: 238 * ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_HIGH, ACPI_EXCLUSIVE 239 */ 240 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, 241 ACPI_RS_OFFSET (Data.Irq.Triggering), 242 ACPI_EDGE_SENSITIVE}, 243 244 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, 245 ACPI_RS_OFFSET (Data.Irq.Polarity), 246 ACPI_ACTIVE_HIGH}, 247 248 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, 249 ACPI_RS_OFFSET (Data.Irq.Sharable), 250 ACPI_EXCLUSIVE}, 251 252 /* We can optimize to a 2-byte IrqNoFlags() descriptor */ 253 254 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)} 255 }; 256 257 258 /******************************************************************************* 259 * 260 * AcpiRsConvertExtIrq 261 * 262 ******************************************************************************/ 263 264 ACPI_RSCONVERT_INFO AcpiRsConvertExtIrq[9] = 265 { 266 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_IRQ, 267 ACPI_RS_SIZE (ACPI_RESOURCE_EXTENDED_IRQ), 268 ACPI_RSC_TABLE_SIZE (AcpiRsConvertExtIrq)}, 269 270 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_IRQ, 271 sizeof (AML_RESOURCE_EXTENDED_IRQ), 272 0}, 273 274 /* Flag bits */ 275 276 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.ProducerConsumer), 277 AML_OFFSET (ExtendedIrq.Flags), 278 0}, 279 280 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Triggering), 281 AML_OFFSET (ExtendedIrq.Flags), 282 1}, 283 284 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Polarity), 285 AML_OFFSET (ExtendedIrq.Flags), 286 2}, 287 288 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Sharable), 289 AML_OFFSET (ExtendedIrq.Flags), 290 3}, 291 292 /* IRQ Table length (Byte4) */ 293 294 {ACPI_RSC_COUNT, ACPI_RS_OFFSET (Data.ExtendedIrq.InterruptCount), 295 AML_OFFSET (ExtendedIrq.InterruptCount), 296 sizeof (UINT32)}, 297 298 /* Copy every IRQ in the table, each is 32 bits */ 299 300 {ACPI_RSC_MOVE32, ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]), 301 AML_OFFSET (ExtendedIrq.Interrupts[0]), 302 0}, 303 304 /* Optional ResourceSource (Index and String) */ 305 306 {ACPI_RSC_SOURCEX, ACPI_RS_OFFSET (Data.ExtendedIrq.ResourceSource), 307 ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]), 308 sizeof (AML_RESOURCE_EXTENDED_IRQ)} 309 }; 310 311 312 /******************************************************************************* 313 * 314 * AcpiRsConvertDma 315 * 316 ******************************************************************************/ 317 318 ACPI_RSCONVERT_INFO AcpiRsConvertDma[6] = 319 { 320 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_DMA, 321 ACPI_RS_SIZE (ACPI_RESOURCE_DMA), 322 ACPI_RSC_TABLE_SIZE (AcpiRsConvertDma)}, 323 324 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_DMA, 325 sizeof (AML_RESOURCE_DMA), 326 0}, 327 328 /* Flags: transfer preference, bus mastering, channel speed */ 329 330 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Transfer), 331 AML_OFFSET (Dma.Flags), 332 0}, 333 334 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Dma.BusMaster), 335 AML_OFFSET (Dma.Flags), 336 2}, 337 338 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Type), 339 AML_OFFSET (Dma.Flags), 340 5}, 341 342 /* DMA channel mask bits */ 343 344 {ACPI_RSC_BITMASK, ACPI_RS_OFFSET (Data.Dma.Channels[0]), 345 AML_OFFSET (Dma.DmaChannelMask), 346 ACPI_RS_OFFSET (Data.Dma.ChannelCount)} 347 }; 348 349