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Warning, cross-references for /kernel/drivers/acpica/rsirq.c need to be fixed.
0001 /******************************************************************************* 0002 * 0003 * Module Name: rsirq - IRQ resource descriptors 0004 * 0005 ******************************************************************************/ 0006 0007 /****************************************************************************** 0008 * 0009 * 1. Copyright Notice 0010 * 0011 * Some or all of this work - Copyright (c) 1999 - 2009, Intel Corp. 0012 * All rights reserved. 0013 * 0014 * 2. License 0015 * 0016 * 2.1. This is your license from Intel Corp. under its intellectual property 0017 * rights. You may have additional license terms from the party that provided 0018 * you this software, covering your right to use that party's intellectual 0019 * property rights. 0020 * 0021 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 0022 * copy of the source code appearing in this file ("Covered Code") an 0023 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 0024 * base code distributed originally by Intel ("Original Intel Code") to copy, 0025 * make derivatives, distribute, use and display any portion of the Covered 0026 * Code in any form, with the right to sublicense such rights; and 0027 * 0028 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 0029 * license (with the right to sublicense), under only those claims of Intel 0030 * patents that are infringed by the Original Intel Code, to make, use, sell, 0031 * offer to sell, and import the Covered Code and derivative works thereof 0032 * solely to the minimum extent necessary to exercise the above copyright 0033 * license, and in no event shall the patent license extend to any additions 0034 * to or modifications of the Original Intel Code. No other license or right 0035 * is granted directly or by implication, estoppel or otherwise; 0036 * 0037 * The above copyright and patent license is granted only if the following 0038 * conditions are met: 0039 * 0040 * 3. Conditions 0041 * 0042 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 0043 * Redistribution of source code of any substantial portion of the Covered 0044 * Code or modification with rights to further distribute source must include 0045 * the above Copyright Notice, the above License, this list of Conditions, 0046 * and the following Disclaimer and Export Compliance provision. In addition, 0047 * Licensee must cause all Covered Code to which Licensee contributes to 0048 * contain a file documenting the changes Licensee made to create that Covered 0049 * Code and the date of any change. Licensee must include in that file the 0050 * documentation of any changes made by any predecessor Licensee. Licensee 0051 * must include a prominent statement that the modification is derived, 0052 * directly or indirectly, from Original Intel Code. 0053 * 0054 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 0055 * Redistribution of source code of any substantial portion of the Covered 0056 * Code or modification without rights to further distribute source must 0057 * include the following Disclaimer and Export Compliance provision in the 0058 * documentation and/or other materials provided with distribution. In 0059 * addition, Licensee may not authorize further sublicense of source of any 0060 * portion of the Covered Code, and must include terms to the effect that the 0061 * license from Licensee to its licensee is limited to the intellectual 0062 * property embodied in the software Licensee provides to its licensee, and 0063 * not to intellectual property embodied in modifications its licensee may 0064 * make. 0065 * 0066 * 3.3. Redistribution of Executable. Redistribution in executable form of any 0067 * substantial portion of the Covered Code or modification must reproduce the 0068 * above Copyright Notice, and the following Disclaimer and Export Compliance 0069 * provision in the documentation and/or other materials provided with the 0070 * distribution. 0071 * 0072 * 3.4. Intel retains all right, title, and interest in and to the Original 0073 * Intel Code. 0074 * 0075 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 0076 * Intel shall be used in advertising or otherwise to promote the sale, use or 0077 * other dealings in products derived from or relating to the Covered Code 0078 * without prior written authorization from Intel. 0079 * 0080 * 4. Disclaimer and Export Compliance 0081 * 0082 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 0083 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 0084 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 0085 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 0086 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 0087 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 0088 * PARTICULAR PURPOSE. 0089 * 0090 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 0091 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 0092 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 0093 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 0094 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 0095 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 0096 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 0097 * LIMITED REMEDY. 0098 * 0099 * 4.3. Licensee shall not export, either directly or indirectly, any of this 0100 * software or system incorporating such software without first obtaining any 0101 * required license or other approval from the U. S. Department of Commerce or 0102 * any other agency or department of the United States Government. In the 0103 * event Licensee exports any such software from the United States or 0104 * re-exports any such software from a foreign destination, Licensee shall 0105 * ensure that the distribution and export/re-export of the software is in 0106 * compliance with all laws, regulations, orders, or other restrictions of the 0107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 0108 * any of its subsidiaries will export/re-export any technical data, process, 0109 * software, or service, directly or indirectly, to any country for which the 0110 * United States government or any agency thereof requires an export license, 0111 * other governmental approval, or letter of assurance, without first obtaining 0112 * such license, approval or letter. 0113 * 0114 *****************************************************************************/ 0115 0116 #define __RSIRQ_C__ 0117 0118 #include "acpi.h" 0119 #include "accommon.h" 0120 #include "acresrc.h" 0121 0122 #define _COMPONENT ACPI_RESOURCES 0123 ACPI_MODULE_NAME ("rsirq") 0124 0125 0126 /******************************************************************************* 0127 * 0128 * AcpiRsGetIrq 0129 * 0130 ******************************************************************************/ 0131 0132 ACPI_RSCONVERT_INFO AcpiRsGetIrq[8] = 0133 { 0134 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IRQ, 0135 ACPI_RS_SIZE (ACPI_RESOURCE_IRQ), 0136 ACPI_RSC_TABLE_SIZE (AcpiRsGetIrq)}, 0137 0138 /* Get the IRQ mask (bytes 1:2) */ 0139 0140 {ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]), 0141 AML_OFFSET (Irq.IrqMask), 0142 ACPI_RS_OFFSET (Data.Irq.InterruptCount)}, 0143 0144 /* Set default flags (others are zero) */ 0145 0146 {ACPI_RSC_SET8, ACPI_RS_OFFSET (Data.Irq.Triggering), 0147 ACPI_EDGE_SENSITIVE, 0148 1}, 0149 0150 /* Get the descriptor length (2 or 3 for IRQ descriptor) */ 0151 0152 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Irq.DescriptorLength), 0153 AML_OFFSET (Irq.DescriptorType), 0154 0}, 0155 0156 /* All done if no flag byte present in descriptor */ 0157 0158 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 3}, 0159 0160 /* Get flags: Triggering[0], Polarity[3], Sharing[4] */ 0161 0162 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering), 0163 AML_OFFSET (Irq.Flags), 0164 0}, 0165 0166 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity), 0167 AML_OFFSET (Irq.Flags), 0168 3}, 0169 0170 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Sharable), 0171 AML_OFFSET (Irq.Flags), 0172 4} 0173 }; 0174 0175 0176 /******************************************************************************* 0177 * 0178 * AcpiRsSetIrq 0179 * 0180 ******************************************************************************/ 0181 0182 ACPI_RSCONVERT_INFO AcpiRsSetIrq[13] = 0183 { 0184 /* Start with a default descriptor of length 3 */ 0185 0186 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IRQ, 0187 sizeof (AML_RESOURCE_IRQ), 0188 ACPI_RSC_TABLE_SIZE (AcpiRsSetIrq)}, 0189 0190 /* Convert interrupt list to 16-bit IRQ bitmask */ 0191 0192 {ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]), 0193 AML_OFFSET (Irq.IrqMask), 0194 ACPI_RS_OFFSET (Data.Irq.InterruptCount)}, 0195 0196 /* Set the flags byte */ 0197 0198 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering), 0199 AML_OFFSET (Irq.Flags), 0200 0}, 0201 0202 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity), 0203 AML_OFFSET (Irq.Flags), 0204 3}, 0205 0206 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Sharable), 0207 AML_OFFSET (Irq.Flags), 0208 4}, 0209 0210 /* 0211 * All done if the output descriptor length is required to be 3 0212 * (i.e., optimization to 2 bytes cannot be attempted) 0213 */ 0214 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, 0215 ACPI_RS_OFFSET(Data.Irq.DescriptorLength), 0216 3}, 0217 0218 /* Set length to 2 bytes (no flags byte) */ 0219 0220 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)}, 0221 0222 /* 0223 * All done if the output descriptor length is required to be 2. 0224 * 0225 * TBD: Perhaps we should check for error if input flags are not 0226 * compatible with a 2-byte descriptor. 0227 */ 0228 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, 0229 ACPI_RS_OFFSET(Data.Irq.DescriptorLength), 0230 2}, 0231 0232 /* Reset length to 3 bytes (descriptor with flags byte) */ 0233 0234 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ)}, 0235 0236 /* 0237 * Check if the flags byte is necessary. Not needed if the flags are: 0238 * ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_HIGH, ACPI_EXCLUSIVE 0239 */ 0240 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, 0241 ACPI_RS_OFFSET (Data.Irq.Triggering), 0242 ACPI_EDGE_SENSITIVE}, 0243 0244 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, 0245 ACPI_RS_OFFSET (Data.Irq.Polarity), 0246 ACPI_ACTIVE_HIGH}, 0247 0248 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, 0249 ACPI_RS_OFFSET (Data.Irq.Sharable), 0250 ACPI_EXCLUSIVE}, 0251 0252 /* We can optimize to a 2-byte IrqNoFlags() descriptor */ 0253 0254 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)} 0255 }; 0256 0257 0258 /******************************************************************************* 0259 * 0260 * AcpiRsConvertExtIrq 0261 * 0262 ******************************************************************************/ 0263 0264 ACPI_RSCONVERT_INFO AcpiRsConvertExtIrq[9] = 0265 { 0266 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_IRQ, 0267 ACPI_RS_SIZE (ACPI_RESOURCE_EXTENDED_IRQ), 0268 ACPI_RSC_TABLE_SIZE (AcpiRsConvertExtIrq)}, 0269 0270 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_IRQ, 0271 sizeof (AML_RESOURCE_EXTENDED_IRQ), 0272 0}, 0273 0274 /* Flag bits */ 0275 0276 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.ProducerConsumer), 0277 AML_OFFSET (ExtendedIrq.Flags), 0278 0}, 0279 0280 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Triggering), 0281 AML_OFFSET (ExtendedIrq.Flags), 0282 1}, 0283 0284 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Polarity), 0285 AML_OFFSET (ExtendedIrq.Flags), 0286 2}, 0287 0288 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Sharable), 0289 AML_OFFSET (ExtendedIrq.Flags), 0290 3}, 0291 0292 /* IRQ Table length (Byte4) */ 0293 0294 {ACPI_RSC_COUNT, ACPI_RS_OFFSET (Data.ExtendedIrq.InterruptCount), 0295 AML_OFFSET (ExtendedIrq.InterruptCount), 0296 sizeof (UINT32)}, 0297 0298 /* Copy every IRQ in the table, each is 32 bits */ 0299 0300 {ACPI_RSC_MOVE32, ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]), 0301 AML_OFFSET (ExtendedIrq.Interrupts[0]), 0302 0}, 0303 0304 /* Optional ResourceSource (Index and String) */ 0305 0306 {ACPI_RSC_SOURCEX, ACPI_RS_OFFSET (Data.ExtendedIrq.ResourceSource), 0307 ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]), 0308 sizeof (AML_RESOURCE_EXTENDED_IRQ)} 0309 }; 0310 0311 0312 /******************************************************************************* 0313 * 0314 * AcpiRsConvertDma 0315 * 0316 ******************************************************************************/ 0317 0318 ACPI_RSCONVERT_INFO AcpiRsConvertDma[6] = 0319 { 0320 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_DMA, 0321 ACPI_RS_SIZE (ACPI_RESOURCE_DMA), 0322 ACPI_RSC_TABLE_SIZE (AcpiRsConvertDma)}, 0323 0324 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_DMA, 0325 sizeof (AML_RESOURCE_DMA), 0326 0}, 0327 0328 /* Flags: transfer preference, bus mastering, channel speed */ 0329 0330 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Transfer), 0331 AML_OFFSET (Dma.Flags), 0332 0}, 0333 0334 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Dma.BusMaster), 0335 AML_OFFSET (Dma.Flags), 0336 2}, 0337 0338 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Type), 0339 AML_OFFSET (Dma.Flags), 0340 5}, 0341 0342 /* DMA channel mask bits */ 0343 0344 {ACPI_RSC_BITMASK, ACPI_RS_OFFSET (Data.Dma.Channels[0]), 0345 AML_OFFSET (Dma.DmaChannelMask), 0346 ACPI_RS_OFFSET (Data.Dma.ChannelCount)} 0347 }; 0348
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