1 /******************************************************************************* 2 * 3 * Module Name: rsirq - IRQ resource descriptors 4 * 5 ******************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2013, Intel Corp. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions, and the following disclaimer, 16 * without modification. 17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 * substantially similar to the "NO WARRANTY" disclaimer below 19 * ("Disclaimer") and any redistribution must be conditioned upon 20 * including a substantially similar Disclaimer requirement for further 21 * binary redistribution. 22 * 3. Neither the names of the above-listed copyright holders nor the names 23 * of any contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * Alternatively, this software may be distributed under the terms of the 27 * GNU General Public License ("GPL") version 2 as published by the Free 28 * Software Foundation. 29 * 30 * NO WARRANTY 31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 * POSSIBILITY OF SUCH DAMAGES. 42 */ 43 44 #define __RSIRQ_C__ 45 46 #include <contrib/dev/acpica/include/acpi.h> 47 #include <contrib/dev/acpica/include/accommon.h> 48 #include <contrib/dev/acpica/include/acresrc.h> 49 50 #define _COMPONENT ACPI_RESOURCES 51 ACPI_MODULE_NAME ("rsirq") 52 53 54 /******************************************************************************* 55 * 56 * AcpiRsGetIrq 57 * 58 ******************************************************************************/ 59 60 ACPI_RSCONVERT_INFO AcpiRsGetIrq[9] = 61 { 62 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IRQ, 63 ACPI_RS_SIZE (ACPI_RESOURCE_IRQ), 64 ACPI_RSC_TABLE_SIZE (AcpiRsGetIrq)}, 65 66 /* Get the IRQ mask (bytes 1:2) */ 67 68 {ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]), 69 AML_OFFSET (Irq.IrqMask), 70 ACPI_RS_OFFSET (Data.Irq.InterruptCount)}, 71 72 /* Set default flags (others are zero) */ 73 74 {ACPI_RSC_SET8, ACPI_RS_OFFSET (Data.Irq.Triggering), 75 ACPI_EDGE_SENSITIVE, 76 1}, 77 78 /* Get the descriptor length (2 or 3 for IRQ descriptor) */ 79 80 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Irq.DescriptorLength), 81 AML_OFFSET (Irq.DescriptorType), 82 0}, 83 84 /* All done if no flag byte present in descriptor */ 85 86 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 3}, 87 88 /* Get flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */ 89 90 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering), 91 AML_OFFSET (Irq.Flags), 92 0}, 93 94 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity), 95 AML_OFFSET (Irq.Flags), 96 3}, 97 98 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Sharable), 99 AML_OFFSET (Irq.Flags), 100 4}, 101 102 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.WakeCapable), 103 AML_OFFSET (Irq.Flags), 104 5} 105 }; 106 107 108 /******************************************************************************* 109 * 110 * AcpiRsSetIrq 111 * 112 ******************************************************************************/ 113 114 ACPI_RSCONVERT_INFO AcpiRsSetIrq[14] = 115 { 116 /* Start with a default descriptor of length 3 */ 117 118 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IRQ, 119 sizeof (AML_RESOURCE_IRQ), 120 ACPI_RSC_TABLE_SIZE (AcpiRsSetIrq)}, 121 122 /* Convert interrupt list to 16-bit IRQ bitmask */ 123 124 {ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]), 125 AML_OFFSET (Irq.IrqMask), 126 ACPI_RS_OFFSET (Data.Irq.InterruptCount)}, 127 128 /* Set flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */ 129 130 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering), 131 AML_OFFSET (Irq.Flags), 132 0}, 133 134 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity), 135 AML_OFFSET (Irq.Flags), 136 3}, 137 138 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Sharable), 139 AML_OFFSET (Irq.Flags), 140 4}, 141 142 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.WakeCapable), 143 AML_OFFSET (Irq.Flags), 144 5}, 145 146 /* 147 * All done if the output descriptor length is required to be 3 148 * (i.e., optimization to 2 bytes cannot be attempted) 149 */ 150 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, 151 ACPI_RS_OFFSET(Data.Irq.DescriptorLength), 152 3}, 153 154 /* Set length to 2 bytes (no flags byte) */ 155 156 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)}, 157 158 /* 159 * All done if the output descriptor length is required to be 2. 160 * 161 * TBD: Perhaps we should check for error if input flags are not 162 * compatible with a 2-byte descriptor. 163 */ 164 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, 165 ACPI_RS_OFFSET(Data.Irq.DescriptorLength), 166 2}, 167 168 /* Reset length to 3 bytes (descriptor with flags byte) */ 169 170 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ)}, 171 172 /* 173 * Check if the flags byte is necessary. Not needed if the flags are: 174 * ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_HIGH, ACPI_EXCLUSIVE 175 */ 176 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, 177 ACPI_RS_OFFSET (Data.Irq.Triggering), 178 ACPI_EDGE_SENSITIVE}, 179 180 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, 181 ACPI_RS_OFFSET (Data.Irq.Polarity), 182 ACPI_ACTIVE_HIGH}, 183 184 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, 185 ACPI_RS_OFFSET (Data.Irq.Sharable), 186 ACPI_EXCLUSIVE}, 187 188 /* We can optimize to a 2-byte IrqNoFlags() descriptor */ 189 190 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)} 191 }; 192 193 194 /******************************************************************************* 195 * 196 * AcpiRsConvertExtIrq 197 * 198 ******************************************************************************/ 199 200 ACPI_RSCONVERT_INFO AcpiRsConvertExtIrq[10] = 201 { 202 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_IRQ, 203 ACPI_RS_SIZE (ACPI_RESOURCE_EXTENDED_IRQ), 204 ACPI_RSC_TABLE_SIZE (AcpiRsConvertExtIrq)}, 205 206 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_IRQ, 207 sizeof (AML_RESOURCE_EXTENDED_IRQ), 208 0}, 209 210 /* 211 * Flags: Producer/Consumer[0], Triggering[1], Polarity[2], 212 * Sharing[3], Wake[4] 213 */ 214 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.ProducerConsumer), 215 AML_OFFSET (ExtendedIrq.Flags), 216 0}, 217 218 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Triggering), 219 AML_OFFSET (ExtendedIrq.Flags), 220 1}, 221 222 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Polarity), 223 AML_OFFSET (ExtendedIrq.Flags), 224 2}, 225 226 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Sharable), 227 AML_OFFSET (ExtendedIrq.Flags), 228 3}, 229 230 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.WakeCapable), 231 AML_OFFSET (ExtendedIrq.Flags), 232 4}, 233 234 /* IRQ Table length (Byte4) */ 235 236 {ACPI_RSC_COUNT, ACPI_RS_OFFSET (Data.ExtendedIrq.InterruptCount), 237 AML_OFFSET (ExtendedIrq.InterruptCount), 238 sizeof (UINT32)}, 239 240 /* Copy every IRQ in the table, each is 32 bits */ 241 242 {ACPI_RSC_MOVE32, ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]), 243 AML_OFFSET (ExtendedIrq.Interrupts[0]), 244 0}, 245 246 /* Optional ResourceSource (Index and String) */ 247 248 {ACPI_RSC_SOURCEX, ACPI_RS_OFFSET (Data.ExtendedIrq.ResourceSource), 249 ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]), 250 sizeof (AML_RESOURCE_EXTENDED_IRQ)} 251 }; 252 253 254 /******************************************************************************* 255 * 256 * AcpiRsConvertDma 257 * 258 ******************************************************************************/ 259 260 ACPI_RSCONVERT_INFO AcpiRsConvertDma[6] = 261 { 262 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_DMA, 263 ACPI_RS_SIZE (ACPI_RESOURCE_DMA), 264 ACPI_RSC_TABLE_SIZE (AcpiRsConvertDma)}, 265 266 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_DMA, 267 sizeof (AML_RESOURCE_DMA), 268 0}, 269 270 /* Flags: transfer preference, bus mastering, channel speed */ 271 272 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Transfer), 273 AML_OFFSET (Dma.Flags), 274 0}, 275 276 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Dma.BusMaster), 277 AML_OFFSET (Dma.Flags), 278 2}, 279 280 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Type), 281 AML_OFFSET (Dma.Flags), 282 5}, 283 284 /* DMA channel mask bits */ 285 286 {ACPI_RSC_BITMASK, ACPI_RS_OFFSET (Data.Dma.Channels[0]), 287 AML_OFFSET (Dma.DmaChannelMask), 288 ACPI_RS_OFFSET (Data.Dma.ChannelCount)} 289 }; 290 291 292 /******************************************************************************* 293 * 294 * AcpiRsConvertFixedDma 295 * 296 ******************************************************************************/ 297 298 ACPI_RSCONVERT_INFO AcpiRsConvertFixedDma[4] = 299 { 300 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_DMA, 301 ACPI_RS_SIZE (ACPI_RESOURCE_FIXED_DMA), 302 ACPI_RSC_TABLE_SIZE (AcpiRsConvertFixedDma)}, 303 304 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_DMA, 305 sizeof (AML_RESOURCE_FIXED_DMA), 306 0}, 307 308 /* 309 * These fields are contiguous in both the source and destination: 310 * RequestLines 311 * Channels 312 */ 313 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET (Data.FixedDma.RequestLines), 314 AML_OFFSET (FixedDma.RequestLines), 315 2}, 316 317 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.FixedDma.Width), 318 AML_OFFSET (FixedDma.Width), 319 1}, 320 }; 321