rsirq.c revision 1.1.1.2.2.2
1 1.1.1.2.2.2 bouyer /******************************************************************************* 2 1.1.1.2.2.2 bouyer * 3 1.1.1.2.2.2 bouyer * Module Name: rsirq - IRQ resource descriptors 4 1.1.1.2.2.2 bouyer * 5 1.1.1.2.2.2 bouyer ******************************************************************************/ 6 1.1.1.2.2.2 bouyer 7 1.1.1.2.2.2 bouyer /* 8 1.1.1.2.2.2 bouyer * Copyright (C) 2000 - 2011, Intel Corp. 9 1.1.1.2.2.2 bouyer * All rights reserved. 10 1.1.1.2.2.2 bouyer * 11 1.1.1.2.2.2 bouyer * Redistribution and use in source and binary forms, with or without 12 1.1.1.2.2.2 bouyer * modification, are permitted provided that the following conditions 13 1.1.1.2.2.2 bouyer * are met: 14 1.1.1.2.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 15 1.1.1.2.2.2 bouyer * notice, this list of conditions, and the following disclaimer, 16 1.1.1.2.2.2 bouyer * without modification. 17 1.1.1.2.2.2 bouyer * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 1.1.1.2.2.2 bouyer * substantially similar to the "NO WARRANTY" disclaimer below 19 1.1.1.2.2.2 bouyer * ("Disclaimer") and any redistribution must be conditioned upon 20 1.1.1.2.2.2 bouyer * including a substantially similar Disclaimer requirement for further 21 1.1.1.2.2.2 bouyer * binary redistribution. 22 1.1.1.2.2.2 bouyer * 3. Neither the names of the above-listed copyright holders nor the names 23 1.1.1.2.2.2 bouyer * of any contributors may be used to endorse or promote products derived 24 1.1.1.2.2.2 bouyer * from this software without specific prior written permission. 25 1.1.1.2.2.2 bouyer * 26 1.1.1.2.2.2 bouyer * Alternatively, this software may be distributed under the terms of the 27 1.1.1.2.2.2 bouyer * GNU General Public License ("GPL") version 2 as published by the Free 28 1.1.1.2.2.2 bouyer * Software Foundation. 29 1.1.1.2.2.2 bouyer * 30 1.1.1.2.2.2 bouyer * NO WARRANTY 31 1.1.1.2.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 1.1.1.2.2.2 bouyer * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 1.1.1.2.2.2 bouyer * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 1.1.1.2.2.2 bouyer * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 1.1.1.2.2.2 bouyer * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 1.1.1.2.2.2 bouyer * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 1.1.1.2.2.2 bouyer * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 1.1.1.2.2.2 bouyer * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 1.1.1.2.2.2 bouyer * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 1.1.1.2.2.2 bouyer * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 1.1.1.2.2.2 bouyer * POSSIBILITY OF SUCH DAMAGES. 42 1.1.1.2.2.2 bouyer */ 43 1.1.1.2.2.2 bouyer 44 1.1.1.2.2.2 bouyer #define __RSIRQ_C__ 45 1.1.1.2.2.2 bouyer 46 1.1.1.2.2.2 bouyer #include "acpi.h" 47 1.1.1.2.2.2 bouyer #include "accommon.h" 48 1.1.1.2.2.2 bouyer #include "acresrc.h" 49 1.1.1.2.2.2 bouyer 50 1.1.1.2.2.2 bouyer #define _COMPONENT ACPI_RESOURCES 51 1.1.1.2.2.2 bouyer ACPI_MODULE_NAME ("rsirq") 52 1.1.1.2.2.2 bouyer 53 1.1.1.2.2.2 bouyer 54 1.1.1.2.2.2 bouyer /******************************************************************************* 55 1.1.1.2.2.2 bouyer * 56 1.1.1.2.2.2 bouyer * AcpiRsGetIrq 57 1.1.1.2.2.2 bouyer * 58 1.1.1.2.2.2 bouyer ******************************************************************************/ 59 1.1.1.2.2.2 bouyer 60 1.1.1.2.2.2 bouyer ACPI_RSCONVERT_INFO AcpiRsGetIrq[8] = 61 1.1.1.2.2.2 bouyer { 62 1.1.1.2.2.2 bouyer {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IRQ, 63 1.1.1.2.2.2 bouyer ACPI_RS_SIZE (ACPI_RESOURCE_IRQ), 64 1.1.1.2.2.2 bouyer ACPI_RSC_TABLE_SIZE (AcpiRsGetIrq)}, 65 1.1.1.2.2.2 bouyer 66 1.1.1.2.2.2 bouyer /* Get the IRQ mask (bytes 1:2) */ 67 1.1.1.2.2.2 bouyer 68 1.1.1.2.2.2 bouyer {ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]), 69 1.1.1.2.2.2 bouyer AML_OFFSET (Irq.IrqMask), 70 1.1.1.2.2.2 bouyer ACPI_RS_OFFSET (Data.Irq.InterruptCount)}, 71 1.1.1.2.2.2 bouyer 72 1.1.1.2.2.2 bouyer /* Set default flags (others are zero) */ 73 1.1.1.2.2.2 bouyer 74 1.1.1.2.2.2 bouyer {ACPI_RSC_SET8, ACPI_RS_OFFSET (Data.Irq.Triggering), 75 1.1.1.2.2.2 bouyer ACPI_EDGE_SENSITIVE, 76 1.1.1.2.2.2 bouyer 1}, 77 1.1.1.2.2.2 bouyer 78 1.1.1.2.2.2 bouyer /* Get the descriptor length (2 or 3 for IRQ descriptor) */ 79 1.1.1.2.2.2 bouyer 80 1.1.1.2.2.2 bouyer {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Irq.DescriptorLength), 81 1.1.1.2.2.2 bouyer AML_OFFSET (Irq.DescriptorType), 82 1.1.1.2.2.2 bouyer 0}, 83 1.1.1.2.2.2 bouyer 84 1.1.1.2.2.2 bouyer /* All done if no flag byte present in descriptor */ 85 1.1.1.2.2.2 bouyer 86 1.1.1.2.2.2 bouyer {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 3}, 87 1.1.1.2.2.2 bouyer 88 1.1.1.2.2.2 bouyer /* Get flags: Triggering[0], Polarity[3], Sharing[4] */ 89 1.1.1.2.2.2 bouyer 90 1.1.1.2.2.2 bouyer {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering), 91 1.1.1.2.2.2 bouyer AML_OFFSET (Irq.Flags), 92 1.1.1.2.2.2 bouyer 0}, 93 1.1.1.2.2.2 bouyer 94 1.1.1.2.2.2 bouyer {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity), 95 1.1.1.2.2.2 bouyer AML_OFFSET (Irq.Flags), 96 1.1.1.2.2.2 bouyer 3}, 97 1.1.1.2.2.2 bouyer 98 1.1.1.2.2.2 bouyer {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Sharable), 99 1.1.1.2.2.2 bouyer AML_OFFSET (Irq.Flags), 100 1.1.1.2.2.2 bouyer 4} 101 1.1.1.2.2.2 bouyer }; 102 1.1.1.2.2.2 bouyer 103 1.1.1.2.2.2 bouyer 104 1.1.1.2.2.2 bouyer /******************************************************************************* 105 1.1.1.2.2.2 bouyer * 106 1.1.1.2.2.2 bouyer * AcpiRsSetIrq 107 1.1.1.2.2.2 bouyer * 108 1.1.1.2.2.2 bouyer ******************************************************************************/ 109 1.1.1.2.2.2 bouyer 110 1.1.1.2.2.2 bouyer ACPI_RSCONVERT_INFO AcpiRsSetIrq[13] = 111 1.1.1.2.2.2 bouyer { 112 1.1.1.2.2.2 bouyer /* Start with a default descriptor of length 3 */ 113 1.1.1.2.2.2 bouyer 114 1.1.1.2.2.2 bouyer {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IRQ, 115 1.1.1.2.2.2 bouyer sizeof (AML_RESOURCE_IRQ), 116 1.1.1.2.2.2 bouyer ACPI_RSC_TABLE_SIZE (AcpiRsSetIrq)}, 117 1.1.1.2.2.2 bouyer 118 1.1.1.2.2.2 bouyer /* Convert interrupt list to 16-bit IRQ bitmask */ 119 1.1.1.2.2.2 bouyer 120 1.1.1.2.2.2 bouyer {ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]), 121 1.1.1.2.2.2 bouyer AML_OFFSET (Irq.IrqMask), 122 1.1.1.2.2.2 bouyer ACPI_RS_OFFSET (Data.Irq.InterruptCount)}, 123 1.1.1.2.2.2 bouyer 124 1.1.1.2.2.2 bouyer /* Set the flags byte */ 125 1.1.1.2.2.2 bouyer 126 1.1.1.2.2.2 bouyer {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering), 127 1.1.1.2.2.2 bouyer AML_OFFSET (Irq.Flags), 128 1.1.1.2.2.2 bouyer 0}, 129 1.1.1.2.2.2 bouyer 130 1.1.1.2.2.2 bouyer {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity), 131 1.1.1.2.2.2 bouyer AML_OFFSET (Irq.Flags), 132 1.1.1.2.2.2 bouyer 3}, 133 1.1.1.2.2.2 bouyer 134 1.1.1.2.2.2 bouyer {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Sharable), 135 1.1.1.2.2.2 bouyer AML_OFFSET (Irq.Flags), 136 1.1.1.2.2.2 bouyer 4}, 137 1.1.1.2.2.2 bouyer 138 1.1.1.2.2.2 bouyer /* 139 1.1.1.2.2.2 bouyer * All done if the output descriptor length is required to be 3 140 1.1.1.2.2.2 bouyer * (i.e., optimization to 2 bytes cannot be attempted) 141 1.1.1.2.2.2 bouyer */ 142 1.1.1.2.2.2 bouyer {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, 143 1.1.1.2.2.2 bouyer ACPI_RS_OFFSET(Data.Irq.DescriptorLength), 144 1.1.1.2.2.2 bouyer 3}, 145 1.1.1.2.2.2 bouyer 146 1.1.1.2.2.2 bouyer /* Set length to 2 bytes (no flags byte) */ 147 1.1.1.2.2.2 bouyer 148 1.1.1.2.2.2 bouyer {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)}, 149 1.1.1.2.2.2 bouyer 150 1.1.1.2.2.2 bouyer /* 151 1.1.1.2.2.2 bouyer * All done if the output descriptor length is required to be 2. 152 1.1.1.2.2.2 bouyer * 153 1.1.1.2.2.2 bouyer * TBD: Perhaps we should check for error if input flags are not 154 1.1.1.2.2.2 bouyer * compatible with a 2-byte descriptor. 155 1.1.1.2.2.2 bouyer */ 156 1.1.1.2.2.2 bouyer {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, 157 1.1.1.2.2.2 bouyer ACPI_RS_OFFSET(Data.Irq.DescriptorLength), 158 1.1.1.2.2.2 bouyer 2}, 159 1.1.1.2.2.2 bouyer 160 1.1.1.2.2.2 bouyer /* Reset length to 3 bytes (descriptor with flags byte) */ 161 1.1.1.2.2.2 bouyer 162 1.1.1.2.2.2 bouyer {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ)}, 163 1.1.1.2.2.2 bouyer 164 1.1.1.2.2.2 bouyer /* 165 1.1.1.2.2.2 bouyer * Check if the flags byte is necessary. Not needed if the flags are: 166 1.1.1.2.2.2 bouyer * ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_HIGH, ACPI_EXCLUSIVE 167 1.1.1.2.2.2 bouyer */ 168 1.1.1.2.2.2 bouyer {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, 169 1.1.1.2.2.2 bouyer ACPI_RS_OFFSET (Data.Irq.Triggering), 170 1.1.1.2.2.2 bouyer ACPI_EDGE_SENSITIVE}, 171 1.1.1.2.2.2 bouyer 172 1.1.1.2.2.2 bouyer {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, 173 1.1.1.2.2.2 bouyer ACPI_RS_OFFSET (Data.Irq.Polarity), 174 1.1.1.2.2.2 bouyer ACPI_ACTIVE_HIGH}, 175 1.1.1.2.2.2 bouyer 176 1.1.1.2.2.2 bouyer {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, 177 1.1.1.2.2.2 bouyer ACPI_RS_OFFSET (Data.Irq.Sharable), 178 1.1.1.2.2.2 bouyer ACPI_EXCLUSIVE}, 179 1.1.1.2.2.2 bouyer 180 1.1.1.2.2.2 bouyer /* We can optimize to a 2-byte IrqNoFlags() descriptor */ 181 1.1.1.2.2.2 bouyer 182 1.1.1.2.2.2 bouyer {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)} 183 1.1.1.2.2.2 bouyer }; 184 1.1.1.2.2.2 bouyer 185 1.1.1.2.2.2 bouyer 186 1.1.1.2.2.2 bouyer /******************************************************************************* 187 1.1.1.2.2.2 bouyer * 188 1.1.1.2.2.2 bouyer * AcpiRsConvertExtIrq 189 1.1.1.2.2.2 bouyer * 190 1.1.1.2.2.2 bouyer ******************************************************************************/ 191 1.1.1.2.2.2 bouyer 192 1.1.1.2.2.2 bouyer ACPI_RSCONVERT_INFO AcpiRsConvertExtIrq[9] = 193 1.1.1.2.2.2 bouyer { 194 1.1.1.2.2.2 bouyer {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_IRQ, 195 1.1.1.2.2.2 bouyer ACPI_RS_SIZE (ACPI_RESOURCE_EXTENDED_IRQ), 196 1.1.1.2.2.2 bouyer ACPI_RSC_TABLE_SIZE (AcpiRsConvertExtIrq)}, 197 1.1.1.2.2.2 bouyer 198 1.1.1.2.2.2 bouyer {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_IRQ, 199 1.1.1.2.2.2 bouyer sizeof (AML_RESOURCE_EXTENDED_IRQ), 200 1.1.1.2.2.2 bouyer 0}, 201 1.1.1.2.2.2 bouyer 202 1.1.1.2.2.2 bouyer /* Flag bits */ 203 1.1.1.2.2.2 bouyer 204 1.1.1.2.2.2 bouyer {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.ProducerConsumer), 205 1.1.1.2.2.2 bouyer AML_OFFSET (ExtendedIrq.Flags), 206 1.1.1.2.2.2 bouyer 0}, 207 1.1.1.2.2.2 bouyer 208 1.1.1.2.2.2 bouyer {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Triggering), 209 1.1.1.2.2.2 bouyer AML_OFFSET (ExtendedIrq.Flags), 210 1.1.1.2.2.2 bouyer 1}, 211 1.1.1.2.2.2 bouyer 212 1.1.1.2.2.2 bouyer {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Polarity), 213 1.1.1.2.2.2 bouyer AML_OFFSET (ExtendedIrq.Flags), 214 1.1.1.2.2.2 bouyer 2}, 215 1.1.1.2.2.2 bouyer 216 1.1.1.2.2.2 bouyer {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Sharable), 217 1.1.1.2.2.2 bouyer AML_OFFSET (ExtendedIrq.Flags), 218 1.1.1.2.2.2 bouyer 3}, 219 1.1.1.2.2.2 bouyer 220 1.1.1.2.2.2 bouyer /* IRQ Table length (Byte4) */ 221 1.1.1.2.2.2 bouyer 222 1.1.1.2.2.2 bouyer {ACPI_RSC_COUNT, ACPI_RS_OFFSET (Data.ExtendedIrq.InterruptCount), 223 1.1.1.2.2.2 bouyer AML_OFFSET (ExtendedIrq.InterruptCount), 224 1.1.1.2.2.2 bouyer sizeof (UINT32)}, 225 1.1.1.2.2.2 bouyer 226 1.1.1.2.2.2 bouyer /* Copy every IRQ in the table, each is 32 bits */ 227 1.1.1.2.2.2 bouyer 228 1.1.1.2.2.2 bouyer {ACPI_RSC_MOVE32, ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]), 229 1.1.1.2.2.2 bouyer AML_OFFSET (ExtendedIrq.Interrupts[0]), 230 1.1.1.2.2.2 bouyer 0}, 231 1.1.1.2.2.2 bouyer 232 1.1.1.2.2.2 bouyer /* Optional ResourceSource (Index and String) */ 233 1.1.1.2.2.2 bouyer 234 1.1.1.2.2.2 bouyer {ACPI_RSC_SOURCEX, ACPI_RS_OFFSET (Data.ExtendedIrq.ResourceSource), 235 1.1.1.2.2.2 bouyer ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]), 236 1.1.1.2.2.2 bouyer sizeof (AML_RESOURCE_EXTENDED_IRQ)} 237 1.1.1.2.2.2 bouyer }; 238 1.1.1.2.2.2 bouyer 239 1.1.1.2.2.2 bouyer 240 1.1.1.2.2.2 bouyer /******************************************************************************* 241 1.1.1.2.2.2 bouyer * 242 1.1.1.2.2.2 bouyer * AcpiRsConvertDma 243 1.1.1.2.2.2 bouyer * 244 1.1.1.2.2.2 bouyer ******************************************************************************/ 245 1.1.1.2.2.2 bouyer 246 1.1.1.2.2.2 bouyer ACPI_RSCONVERT_INFO AcpiRsConvertDma[6] = 247 1.1.1.2.2.2 bouyer { 248 1.1.1.2.2.2 bouyer {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_DMA, 249 1.1.1.2.2.2 bouyer ACPI_RS_SIZE (ACPI_RESOURCE_DMA), 250 1.1.1.2.2.2 bouyer ACPI_RSC_TABLE_SIZE (AcpiRsConvertDma)}, 251 1.1.1.2.2.2 bouyer 252 1.1.1.2.2.2 bouyer {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_DMA, 253 1.1.1.2.2.2 bouyer sizeof (AML_RESOURCE_DMA), 254 1.1.1.2.2.2 bouyer 0}, 255 1.1.1.2.2.2 bouyer 256 1.1.1.2.2.2 bouyer /* Flags: transfer preference, bus mastering, channel speed */ 257 1.1.1.2.2.2 bouyer 258 1.1.1.2.2.2 bouyer {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Transfer), 259 1.1.1.2.2.2 bouyer AML_OFFSET (Dma.Flags), 260 1.1.1.2.2.2 bouyer 0}, 261 1.1.1.2.2.2 bouyer 262 1.1.1.2.2.2 bouyer {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Dma.BusMaster), 263 1.1.1.2.2.2 bouyer AML_OFFSET (Dma.Flags), 264 1.1.1.2.2.2 bouyer 2}, 265 1.1.1.2.2.2 bouyer 266 1.1.1.2.2.2 bouyer {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Type), 267 1.1.1.2.2.2 bouyer AML_OFFSET (Dma.Flags), 268 1.1.1.2.2.2 bouyer 5}, 269 1.1.1.2.2.2 bouyer 270 1.1.1.2.2.2 bouyer /* DMA channel mask bits */ 271 1.1.1.2.2.2 bouyer 272 1.1.1.2.2.2 bouyer {ACPI_RSC_BITMASK, ACPI_RS_OFFSET (Data.Dma.Channels[0]), 273 1.1.1.2.2.2 bouyer AML_OFFSET (Dma.DmaChannelMask), 274 1.1.1.2.2.2 bouyer ACPI_RS_OFFSET (Data.Dma.ChannelCount)} 275 1.1.1.2.2.2 bouyer }; 276 1.1.1.2.2.2 bouyer 277
Indexes created Fri Oct 17 09:09:57 GMT 2025