| 1 | /* $NetBSD: acpi_resource.c,v 1.37 2015/07/27 04:50:50 msaitoh Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright 2001 Wasabi Systems, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Written by Jason R. Thorpe for Wasabi Systems, Inc. |
| 8 | * |
| 9 | * Redistribution and use in source and binary forms, with or without |
| 10 | * modification, are permitted provided that the following conditions |
| 11 | * are met: |
| 12 | * 1. Redistributions of source code must retain the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer. |
| 14 | * 2. Redistributions in binary form must reproduce the above copyright |
| 15 | * notice, this list of conditions and the following disclaimer in the |
| 16 | * documentation and/or other materials provided with the distribution. |
| 17 | * 3. All advertising materials mentioning features or use of this software |
| 18 | * must display the following acknowledgement: |
| 19 | * This product includes software developed for the NetBSD Project by |
| 20 | * Wasabi Systems, Inc. |
| 21 | * 4. The name of Wasabi Systems, Inc. may not be used to endorse |
| 22 | * or promote products derived from this software without specific prior |
| 23 | * written permission. |
| 24 | * |
| 25 | * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND |
| 26 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 27 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 28 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC |
| 29 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 30 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 31 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 32 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 33 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 34 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 35 | * POSSIBILITY OF SUCH DAMAGE. |
| 36 | */ |
| 37 | |
| 38 | /*- |
| 39 | * Copyright (c) 2000 Michael Smith |
| 40 | * Copyright (c) 2000 BSDi |
| 41 | * All rights reserved. |
| 42 | * |
| 43 | * Redistribution and use in source and binary forms, with or without |
| 44 | * modification, are permitted provided that the following conditions |
| 45 | * are met: |
| 46 | * 1. Redistributions of source code must retain the above copyright |
| 47 | * notice, this list of conditions and the following disclaimer. |
| 48 | * 2. Redistributions in binary form must reproduce the above copyright |
| 49 | * notice, this list of conditions and the following disclaimer in the |
| 50 | * documentation and/or other materials provided with the distribution. |
| 51 | * |
| 52 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 53 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 54 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 55 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 56 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 57 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 58 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 59 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 60 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 61 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 62 | * SUCH DAMAGE. |
| 63 | */ |
| 64 | |
| 65 | /* |
| 66 | * ACPI resource parsing. |
| 67 | */ |
| 68 | |
| 69 | #include <sys/cdefs.h> |
| 70 | __KERNEL_RCSID(0, "$NetBSD: acpi_resource.c,v 1.37 2015/07/27 04:50:50 msaitoh Exp $" ); |
| 71 | |
| 72 | #include <sys/param.h> |
| 73 | #include <sys/device.h> |
| 74 | #include <sys/systm.h> |
| 75 | |
| 76 | #include <dev/acpi/acpireg.h> |
| 77 | #include <dev/acpi/acpivar.h> |
| 78 | |
| 79 | #define _COMPONENT ACPI_RESOURCE_COMPONENT |
| 80 | ACPI_MODULE_NAME("RESOURCE" ) |
| 81 | |
| 82 | static ACPI_STATUS acpi_resource_parse_callback(ACPI_RESOURCE *, void *); |
| 83 | |
| 84 | struct resource_parse_callback_arg { |
| 85 | const struct acpi_resource_parse_ops *ops; |
| 86 | device_t dev; |
| 87 | void *context; |
| 88 | }; |
| 89 | |
| 90 | static ACPI_STATUS |
| 91 | acpi_resource_parse_callback(ACPI_RESOURCE *res, void *context) |
| 92 | { |
| 93 | struct resource_parse_callback_arg *arg = context; |
| 94 | const struct acpi_resource_parse_ops *ops; |
| 95 | int i; |
| 96 | |
| 97 | ACPI_FUNCTION_TRACE(__func__); |
| 98 | |
| 99 | ops = arg->ops; |
| 100 | |
| 101 | switch (res->Type) { |
| 102 | case ACPI_RESOURCE_TYPE_END_TAG: |
| 103 | ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, "EndTag\n" )); |
| 104 | break; |
| 105 | case ACPI_RESOURCE_TYPE_FIXED_IO: |
| 106 | ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, |
| 107 | "FixedIo 0x%x/%u\n" , |
| 108 | res->Data.FixedIo.Address, |
| 109 | res->Data.FixedIo.AddressLength)); |
| 110 | if (ops->ioport) |
| 111 | (*ops->ioport)(arg->dev, arg->context, |
| 112 | res->Data.FixedIo.Address, |
| 113 | res->Data.FixedIo.AddressLength); |
| 114 | break; |
| 115 | |
| 116 | case ACPI_RESOURCE_TYPE_IO: |
| 117 | if (res->Data.Io.Minimum == |
| 118 | res->Data.Io.Maximum) { |
| 119 | ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, |
| 120 | "Io 0x%x/%u\n" , |
| 121 | res->Data.Io.Minimum, |
| 122 | res->Data.Io.AddressLength)); |
| 123 | if (ops->ioport) |
| 124 | (*ops->ioport)(arg->dev, arg->context, |
| 125 | res->Data.Io.Minimum, |
| 126 | res->Data.Io.AddressLength); |
| 127 | } else { |
| 128 | ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, |
| 129 | "Io 0x%x-0x%x/%u\n" , |
| 130 | res->Data.Io.Minimum, |
| 131 | res->Data.Io.Maximum, |
| 132 | res->Data.Io.AddressLength)); |
| 133 | if (ops->iorange) |
| 134 | (*ops->iorange)(arg->dev, arg->context, |
| 135 | res->Data.Io.Minimum, |
| 136 | res->Data.Io.Maximum, |
| 137 | res->Data.Io.AddressLength, |
| 138 | res->Data.Io.Alignment); |
| 139 | } |
| 140 | break; |
| 141 | |
| 142 | case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: |
| 143 | ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, |
| 144 | "FixedMemory32 0x%x/%u\n" , |
| 145 | res->Data.FixedMemory32.Address, |
| 146 | res->Data.FixedMemory32.AddressLength)); |
| 147 | if (ops->memory) |
| 148 | (*ops->memory)(arg->dev, arg->context, |
| 149 | res->Data.FixedMemory32.Address, |
| 150 | res->Data.FixedMemory32.AddressLength); |
| 151 | break; |
| 152 | |
| 153 | case ACPI_RESOURCE_TYPE_MEMORY32: |
| 154 | if (res->Data.Memory32.Minimum == |
| 155 | res->Data.Memory32.Maximum) { |
| 156 | ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, |
| 157 | "Memory32 0x%x/%u\n" , |
| 158 | res->Data.Memory32.Minimum, |
| 159 | res->Data.Memory32.AddressLength)); |
| 160 | if (ops->memory) |
| 161 | (*ops->memory)(arg->dev, arg->context, |
| 162 | res->Data.Memory32.Minimum, |
| 163 | res->Data.Memory32.AddressLength); |
| 164 | } else { |
| 165 | ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, |
| 166 | "Memory32 0x%x-0x%x/%u\n" , |
| 167 | res->Data.Memory32.Minimum, |
| 168 | res->Data.Memory32.Maximum, |
| 169 | res->Data.Memory32.AddressLength)); |
| 170 | if (ops->memrange) |
| 171 | (*ops->memrange)(arg->dev, arg->context, |
| 172 | res->Data.Memory32.Minimum, |
| 173 | res->Data.Memory32.Maximum, |
| 174 | res->Data.Memory32.AddressLength, |
| 175 | res->Data.Memory32.Alignment); |
| 176 | } |
| 177 | break; |
| 178 | |
| 179 | case ACPI_RESOURCE_TYPE_MEMORY24: |
| 180 | if (res->Data.Memory24.Minimum == |
| 181 | res->Data.Memory24.Maximum) { |
| 182 | ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, |
| 183 | "Memory24 0x%x/%u\n" , |
| 184 | res->Data.Memory24.Minimum, |
| 185 | res->Data.Memory24.AddressLength)); |
| 186 | if (ops->memory) |
| 187 | (*ops->memory)(arg->dev, arg->context, |
| 188 | res->Data.Memory24.Minimum, |
| 189 | res->Data.Memory24.AddressLength); |
| 190 | } else { |
| 191 | ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, |
| 192 | "Memory24 0x%x-0x%x/%u\n" , |
| 193 | res->Data.Memory24.Minimum, |
| 194 | res->Data.Memory24.Maximum, |
| 195 | res->Data.Memory24.AddressLength)); |
| 196 | if (ops->memrange) |
| 197 | (*ops->memrange)(arg->dev, arg->context, |
| 198 | res->Data.Memory24.Minimum, |
| 199 | res->Data.Memory24.Maximum, |
| 200 | res->Data.Memory24.AddressLength, |
| 201 | res->Data.Memory24.Alignment); |
| 202 | } |
| 203 | break; |
| 204 | |
| 205 | case ACPI_RESOURCE_TYPE_IRQ: |
| 206 | for (i = 0; i < res->Data.Irq.InterruptCount; i++) { |
| 207 | ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, |
| 208 | "IRQ %u\n" , |
| 209 | res->Data.Irq.Interrupts[i])); |
| 210 | if (ops->irq) |
| 211 | (*ops->irq)(arg->dev, arg->context, |
| 212 | res->Data.Irq.Interrupts[i], |
| 213 | res->Data.Irq.Triggering); |
| 214 | } |
| 215 | break; |
| 216 | |
| 217 | case ACPI_RESOURCE_TYPE_DMA: |
| 218 | for (i = 0; i < res->Data.Dma.ChannelCount; i++) { |
| 219 | ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, |
| 220 | "DRQ %u\n" , |
| 221 | res->Data.Dma.Channels[i])); |
| 222 | if (ops->drq) |
| 223 | (*ops->drq)(arg->dev, arg->context, |
| 224 | res->Data.Dma.Channels[i]); |
| 225 | } |
| 226 | break; |
| 227 | |
| 228 | case ACPI_RESOURCE_TYPE_START_DEPENDENT: |
| 229 | ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, |
| 230 | "Start dependent functions: %u\n" , |
| 231 | res->Data.StartDpf.CompatibilityPriority)); |
| 232 | if (ops->start_dep) |
| 233 | (*ops->start_dep)(arg->dev, arg->context, |
| 234 | res->Data.StartDpf.CompatibilityPriority); |
| 235 | break; |
| 236 | |
| 237 | case ACPI_RESOURCE_TYPE_END_DEPENDENT: |
| 238 | ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, |
| 239 | "End dependent functions\n" )); |
| 240 | if (ops->end_dep) |
| 241 | (*ops->end_dep)(arg->dev, arg->context); |
| 242 | break; |
| 243 | |
| 244 | case ACPI_RESOURCE_TYPE_ADDRESS32: |
| 245 | /* XXX Only fixed size supported for now */ |
| 246 | if (res->Data.Address32.Address.AddressLength == 0 || |
| 247 | res->Data.Address32.ProducerConsumer != ACPI_CONSUMER) |
| 248 | break; |
| 249 | #define ADRRESS32_FIXED2(r) \ |
| 250 | ((r)->Data.Address32.MinAddressFixed == ACPI_ADDRESS_FIXED && \ |
| 251 | (r)->Data.Address32.MaxAddressFixed == ACPI_ADDRESS_FIXED) |
| 252 | switch (res->Data.Address32.ResourceType) { |
| 253 | case ACPI_MEMORY_RANGE: |
| 254 | if (ADRRESS32_FIXED2(res)) { |
| 255 | if (ops->memory) |
| 256 | (*ops->memory)(arg->dev, arg->context, |
| 257 | res->Data.Address32.Address.Minimum, |
| 258 | res->Data.Address32.Address.AddressLength); |
| 259 | } else { |
| 260 | if (ops->memrange) |
| 261 | (*ops->memrange)(arg->dev, arg->context, |
| 262 | res->Data.Address32.Address.Minimum, |
| 263 | res->Data.Address32.Address.Maximum, |
| 264 | res->Data.Address32.Address.AddressLength, |
| 265 | res->Data.Address32.Address.Granularity); |
| 266 | } |
| 267 | break; |
| 268 | case ACPI_IO_RANGE: |
| 269 | if (ADRRESS32_FIXED2(res)) { |
| 270 | if (ops->ioport) |
| 271 | (*ops->ioport)(arg->dev, arg->context, |
| 272 | res->Data.Address32.Address.Minimum, |
| 273 | res->Data.Address32.Address.AddressLength); |
| 274 | } else { |
| 275 | if (ops->iorange) |
| 276 | (*ops->iorange)(arg->dev, arg->context, |
| 277 | res->Data.Address32.Address.Minimum, |
| 278 | res->Data.Address32.Address.Maximum, |
| 279 | res->Data.Address32.Address.AddressLength, |
| 280 | res->Data.Address32.Address.Granularity); |
| 281 | } |
| 282 | break; |
| 283 | case ACPI_BUS_NUMBER_RANGE: |
| 284 | ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, |
| 285 | "Address32/BusNumber unimplemented\n" )); |
| 286 | break; |
| 287 | } |
| 288 | #undef ADRRESS32_FIXED2 |
| 289 | break; |
| 290 | |
| 291 | case ACPI_RESOURCE_TYPE_ADDRESS16: |
| 292 | ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, |
| 293 | "Address16 unimplemented\n" )); |
| 294 | break; |
| 295 | |
| 296 | case ACPI_RESOURCE_TYPE_ADDRESS64: |
| 297 | ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, |
| 298 | "Address64 unimplemented\n" )); |
| 299 | break; |
| 300 | case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64: |
| 301 | ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, |
| 302 | "Extended address64 unimplemented\n" )); |
| 303 | break; |
| 304 | |
| 305 | case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: |
| 306 | if (res->Data.ExtendedIrq.ProducerConsumer != ACPI_CONSUMER) { |
| 307 | ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, |
| 308 | "ignored ExtIRQ producer\n" )); |
| 309 | break; |
| 310 | } |
| 311 | for (i = 0; i < res->Data.ExtendedIrq.InterruptCount; i++) { |
| 312 | ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, |
| 313 | "ExtIRQ %u\n" , |
| 314 | res->Data.ExtendedIrq.Interrupts[i])); |
| 315 | if (ops->irq) |
| 316 | (*ops->irq)(arg->dev, arg->context, |
| 317 | res->Data.ExtendedIrq.Interrupts[i], |
| 318 | res->Data.ExtendedIrq.Triggering); |
| 319 | } |
| 320 | break; |
| 321 | |
| 322 | case ACPI_RESOURCE_TYPE_GENERIC_REGISTER: |
| 323 | ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, |
| 324 | "GenericRegister unimplemented\n" )); |
| 325 | break; |
| 326 | |
| 327 | case ACPI_RESOURCE_TYPE_VENDOR: |
| 328 | ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, |
| 329 | "VendorSpecific unimplemented\n" )); |
| 330 | break; |
| 331 | |
| 332 | default: |
| 333 | ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, |
| 334 | "Unknown resource type: %u\n" , res->Type)); |
| 335 | break; |
| 336 | } |
| 337 | |
| 338 | return_ACPI_STATUS(AE_OK); |
| 339 | } |
| 340 | |
| 341 | |
| 342 | /* |
| 343 | * acpi_resource_parse: |
| 344 | * |
| 345 | * Parse a device node's resources and fill them in for the |
| 346 | * client. |
| 347 | * |
| 348 | * This API supports _CRS (current resources) and |
| 349 | * _PRS (possible resources). |
| 350 | * |
| 351 | * Note that it might be nice to also locate ACPI-specific resource |
| 352 | * items, such as GPE bits. |
| 353 | */ |
| 354 | ACPI_STATUS |
| 355 | acpi_resource_parse(device_t dev, ACPI_HANDLE handle, const char *path, |
| 356 | void *arg, const struct acpi_resource_parse_ops *ops) |
| 357 | { |
| 358 | struct resource_parse_callback_arg cbarg; |
| 359 | ACPI_STATUS rv; |
| 360 | |
| 361 | ACPI_FUNCTION_TRACE(__func__); |
| 362 | |
| 363 | if (ops->init) |
| 364 | (*ops->init)(dev, arg, &cbarg.context); |
| 365 | else |
| 366 | cbarg.context = arg; |
| 367 | cbarg.ops = ops; |
| 368 | cbarg.dev = dev; |
| 369 | |
| 370 | rv = AcpiWalkResources(handle, path, acpi_resource_parse_callback, |
| 371 | &cbarg); |
| 372 | if (ACPI_FAILURE(rv)) { |
| 373 | aprint_error_dev(dev, "ACPI: unable to get %s resources: %s\n" , |
| 374 | path, AcpiFormatException(rv)); |
| 375 | return_ACPI_STATUS(rv); |
| 376 | } |
| 377 | |
| 378 | if (ops->fini) |
| 379 | (*ops->fini)(dev, cbarg.context); |
| 380 | |
| 381 | return_ACPI_STATUS(AE_OK); |
| 382 | } |
| 383 | |
| 384 | /* |
| 385 | * acpi_resource_print: |
| 386 | * |
| 387 | * Print the resources assigned to a device. |
| 388 | */ |
| 389 | void |
| 390 | acpi_resource_print(device_t dev, struct acpi_resources *res) |
| 391 | { |
| 392 | const char *sep; |
| 393 | |
| 394 | if (SIMPLEQ_EMPTY(&res->ar_io) && |
| 395 | SIMPLEQ_EMPTY(&res->ar_iorange) && |
| 396 | SIMPLEQ_EMPTY(&res->ar_mem) && |
| 397 | SIMPLEQ_EMPTY(&res->ar_memrange) && |
| 398 | SIMPLEQ_EMPTY(&res->ar_irq) && |
| 399 | SIMPLEQ_EMPTY(&res->ar_drq)) |
| 400 | return; |
| 401 | |
| 402 | aprint_normal(":" ); |
| 403 | |
| 404 | if (SIMPLEQ_EMPTY(&res->ar_io) == 0) { |
| 405 | struct acpi_io *ar; |
| 406 | |
| 407 | sep = "" ; |
| 408 | aprint_normal(" io " ); |
| 409 | SIMPLEQ_FOREACH(ar, &res->ar_io, ar_list) { |
| 410 | aprint_normal("%s0x%x" , sep, ar->ar_base); |
| 411 | if (ar->ar_length > 1) |
| 412 | aprint_normal("-0x%x" , ar->ar_base + |
| 413 | ar->ar_length - 1); |
| 414 | sep = "," ; |
| 415 | } |
| 416 | } |
| 417 | |
| 418 | /* XXX iorange */ |
| 419 | |
| 420 | if (SIMPLEQ_EMPTY(&res->ar_mem) == 0) { |
| 421 | struct acpi_mem *ar; |
| 422 | |
| 423 | sep = "" ; |
| 424 | aprint_normal(" mem " ); |
| 425 | SIMPLEQ_FOREACH(ar, &res->ar_mem, ar_list) { |
| 426 | aprint_normal("%s0x%x" , sep, ar->ar_base); |
| 427 | if (ar->ar_length > 1) |
| 428 | aprint_normal("-0x%x" , ar->ar_base + |
| 429 | ar->ar_length - 1); |
| 430 | sep = "," ; |
| 431 | } |
| 432 | } |
| 433 | |
| 434 | /* XXX memrange */ |
| 435 | |
| 436 | if (SIMPLEQ_EMPTY(&res->ar_irq) == 0) { |
| 437 | struct acpi_irq *ar; |
| 438 | |
| 439 | sep = "" ; |
| 440 | aprint_normal(" irq " ); |
| 441 | SIMPLEQ_FOREACH(ar, &res->ar_irq, ar_list) { |
| 442 | aprint_normal("%s%d" , sep, ar->ar_irq); |
| 443 | sep = "," ; |
| 444 | } |
| 445 | } |
| 446 | |
| 447 | if (SIMPLEQ_EMPTY(&res->ar_drq) == 0) { |
| 448 | struct acpi_drq *ar; |
| 449 | |
| 450 | sep = "" ; |
| 451 | aprint_normal(" drq " ); |
| 452 | SIMPLEQ_FOREACH(ar, &res->ar_drq, ar_list) { |
| 453 | aprint_normal("%s%d" , sep, ar->ar_drq); |
| 454 | sep = "," ; |
| 455 | } |
| 456 | } |
| 457 | |
| 458 | aprint_normal("\n" ); |
| 459 | aprint_naive("\n" ); |
| 460 | } |
| 461 | |
| 462 | /* |
| 463 | * acpi_resource_cleanup: |
| 464 | * |
| 465 | * Free all allocated buffers |
| 466 | */ |
| 467 | void |
| 468 | acpi_resource_cleanup(struct acpi_resources *res) |
| 469 | { |
| 470 | while (!SIMPLEQ_EMPTY(&res->ar_io)) { |
| 471 | struct acpi_io *ar; |
| 472 | ar = SIMPLEQ_FIRST(&res->ar_io); |
| 473 | SIMPLEQ_REMOVE_HEAD(&res->ar_io, ar_list); |
| 474 | ACPI_FREE(ar); |
| 475 | } |
| 476 | |
| 477 | while (!SIMPLEQ_EMPTY(&res->ar_iorange)) { |
| 478 | struct acpi_iorange *ar; |
| 479 | ar = SIMPLEQ_FIRST(&res->ar_iorange); |
| 480 | SIMPLEQ_REMOVE_HEAD(&res->ar_iorange, ar_list); |
| 481 | ACPI_FREE(ar); |
| 482 | } |
| 483 | |
| 484 | while (!SIMPLEQ_EMPTY(&res->ar_mem)) { |
| 485 | struct acpi_mem *ar; |
| 486 | ar = SIMPLEQ_FIRST(&res->ar_mem); |
| 487 | SIMPLEQ_REMOVE_HEAD(&res->ar_mem, ar_list); |
| 488 | ACPI_FREE(ar); |
| 489 | } |
| 490 | |
| 491 | while (!SIMPLEQ_EMPTY(&res->ar_memrange)) { |
| 492 | struct acpi_memrange *ar; |
| 493 | ar = SIMPLEQ_FIRST(&res->ar_memrange); |
| 494 | SIMPLEQ_REMOVE_HEAD(&res->ar_memrange, ar_list); |
| 495 | ACPI_FREE(ar); |
| 496 | } |
| 497 | |
| 498 | while (!SIMPLEQ_EMPTY(&res->ar_irq)) { |
| 499 | struct acpi_irq *ar; |
| 500 | ar = SIMPLEQ_FIRST(&res->ar_irq); |
| 501 | SIMPLEQ_REMOVE_HEAD(&res->ar_irq, ar_list); |
| 502 | ACPI_FREE(ar); |
| 503 | } |
| 504 | |
| 505 | while (!SIMPLEQ_EMPTY(&res->ar_drq)) { |
| 506 | struct acpi_drq *ar; |
| 507 | ar = SIMPLEQ_FIRST(&res->ar_drq); |
| 508 | SIMPLEQ_REMOVE_HEAD(&res->ar_drq, ar_list); |
| 509 | ACPI_FREE(ar); |
| 510 | } |
| 511 | |
| 512 | res->ar_nio = res->ar_niorange = res->ar_nmem = |
| 513 | res->ar_nmemrange = res->ar_nirq = res->ar_ndrq = 0; |
| 514 | } |
| 515 | |
| 516 | struct acpi_io * |
| 517 | acpi_res_io(struct acpi_resources *res, int idx) |
| 518 | { |
| 519 | struct acpi_io *ar; |
| 520 | |
| 521 | SIMPLEQ_FOREACH(ar, &res->ar_io, ar_list) { |
| 522 | if (ar->ar_index == idx) |
| 523 | return ar; |
| 524 | } |
| 525 | return NULL; |
| 526 | } |
| 527 | |
| 528 | struct acpi_iorange * |
| 529 | acpi_res_iorange(struct acpi_resources *res, int idx) |
| 530 | { |
| 531 | struct acpi_iorange *ar; |
| 532 | |
| 533 | SIMPLEQ_FOREACH(ar, &res->ar_iorange, ar_list) { |
| 534 | if (ar->ar_index == idx) |
| 535 | return ar; |
| 536 | } |
| 537 | return NULL; |
| 538 | } |
| 539 | |
| 540 | struct acpi_mem * |
| 541 | acpi_res_mem(struct acpi_resources *res, int idx) |
| 542 | { |
| 543 | struct acpi_mem *ar; |
| 544 | |
| 545 | SIMPLEQ_FOREACH(ar, &res->ar_mem, ar_list) { |
| 546 | if (ar->ar_index == idx) |
| 547 | return ar; |
| 548 | } |
| 549 | return NULL; |
| 550 | } |
| 551 | |
| 552 | struct acpi_memrange * |
| 553 | acpi_res_memrange(struct acpi_resources *res, int idx) |
| 554 | { |
| 555 | struct acpi_memrange *ar; |
| 556 | |
| 557 | SIMPLEQ_FOREACH(ar, &res->ar_memrange, ar_list) { |
| 558 | if (ar->ar_index == idx) |
| 559 | return ar; |
| 560 | } |
| 561 | return NULL; |
| 562 | } |
| 563 | |
| 564 | struct acpi_irq * |
| 565 | acpi_res_irq(struct acpi_resources *res, int idx) |
| 566 | { |
| 567 | struct acpi_irq *ar; |
| 568 | |
| 569 | SIMPLEQ_FOREACH(ar, &res->ar_irq, ar_list) { |
| 570 | if (ar->ar_index == idx) |
| 571 | return ar; |
| 572 | } |
| 573 | return NULL; |
| 574 | } |
| 575 | |
| 576 | struct acpi_drq * |
| 577 | acpi_res_drq(struct acpi_resources *res, int idx) |
| 578 | { |
| 579 | struct acpi_drq *ar; |
| 580 | |
| 581 | SIMPLEQ_FOREACH(ar, &res->ar_drq, ar_list) { |
| 582 | if (ar->ar_index == idx) |
| 583 | return ar; |
| 584 | } |
| 585 | return NULL; |
| 586 | } |
| 587 | |
| 588 | /***************************************************************************** |
| 589 | * Default ACPI resource parse operations. |
| 590 | *****************************************************************************/ |
| 591 | |
| 592 | static void acpi_res_parse_init(device_t, void *, void **); |
| 593 | static void acpi_res_parse_fini(device_t, void *); |
| 594 | |
| 595 | static void acpi_res_parse_ioport(device_t, void *, uint32_t, |
| 596 | uint32_t); |
| 597 | static void acpi_res_parse_iorange(device_t, void *, uint32_t, |
| 598 | uint32_t, uint32_t, uint32_t); |
| 599 | |
| 600 | static void acpi_res_parse_memory(device_t, void *, uint32_t, |
| 601 | uint32_t); |
| 602 | static void acpi_res_parse_memrange(device_t, void *, uint32_t, |
| 603 | uint32_t, uint32_t, uint32_t); |
| 604 | |
| 605 | static void acpi_res_parse_irq(device_t, void *, uint32_t, uint32_t); |
| 606 | static void acpi_res_parse_drq(device_t, void *, uint32_t); |
| 607 | |
| 608 | static void acpi_res_parse_start_dep(device_t, void *, int); |
| 609 | static void acpi_res_parse_end_dep(device_t, void *); |
| 610 | |
| 611 | const struct acpi_resource_parse_ops acpi_resource_parse_ops_default = { |
| 612 | .init = acpi_res_parse_init, |
| 613 | .fini = acpi_res_parse_fini, |
| 614 | |
| 615 | .ioport = acpi_res_parse_ioport, |
| 616 | .iorange = acpi_res_parse_iorange, |
| 617 | |
| 618 | .memory = acpi_res_parse_memory, |
| 619 | .memrange = acpi_res_parse_memrange, |
| 620 | |
| 621 | .irq = acpi_res_parse_irq, |
| 622 | .drq = acpi_res_parse_drq, |
| 623 | |
| 624 | .start_dep = acpi_res_parse_start_dep, |
| 625 | .end_dep = acpi_res_parse_end_dep, |
| 626 | }; |
| 627 | |
| 628 | const struct acpi_resource_parse_ops acpi_resource_parse_ops_quiet = { |
| 629 | .init = acpi_res_parse_init, |
| 630 | .fini = NULL, |
| 631 | |
| 632 | .ioport = acpi_res_parse_ioport, |
| 633 | .iorange = acpi_res_parse_iorange, |
| 634 | |
| 635 | .memory = acpi_res_parse_memory, |
| 636 | .memrange = acpi_res_parse_memrange, |
| 637 | |
| 638 | .irq = acpi_res_parse_irq, |
| 639 | .drq = acpi_res_parse_drq, |
| 640 | |
| 641 | .start_dep = acpi_res_parse_start_dep, |
| 642 | .end_dep = acpi_res_parse_end_dep, |
| 643 | }; |
| 644 | |
| 645 | static void |
| 646 | acpi_res_parse_init(device_t dev, void *arg, void **contextp) |
| 647 | { |
| 648 | struct acpi_resources *res = arg; |
| 649 | |
| 650 | SIMPLEQ_INIT(&res->ar_io); |
| 651 | res->ar_nio = 0; |
| 652 | |
| 653 | SIMPLEQ_INIT(&res->ar_iorange); |
| 654 | res->ar_niorange = 0; |
| 655 | |
| 656 | SIMPLEQ_INIT(&res->ar_mem); |
| 657 | res->ar_nmem = 0; |
| 658 | |
| 659 | SIMPLEQ_INIT(&res->ar_memrange); |
| 660 | res->ar_nmemrange = 0; |
| 661 | |
| 662 | SIMPLEQ_INIT(&res->ar_irq); |
| 663 | res->ar_nirq = 0; |
| 664 | |
| 665 | SIMPLEQ_INIT(&res->ar_drq); |
| 666 | res->ar_ndrq = 0; |
| 667 | |
| 668 | *contextp = res; |
| 669 | } |
| 670 | |
| 671 | static void |
| 672 | acpi_res_parse_fini(device_t dev, void *context) |
| 673 | { |
| 674 | struct acpi_resources *res = context; |
| 675 | |
| 676 | /* Print the resources we're using. */ |
| 677 | acpi_resource_print(dev, res); |
| 678 | } |
| 679 | |
| 680 | static void |
| 681 | acpi_res_parse_ioport(device_t dev, void *context, uint32_t base, |
| 682 | uint32_t length) |
| 683 | { |
| 684 | struct acpi_resources *res = context; |
| 685 | struct acpi_io *ar; |
| 686 | |
| 687 | /* |
| 688 | * Check if there is another I/O port directly below/under |
| 689 | * this one. |
| 690 | */ |
| 691 | SIMPLEQ_FOREACH(ar, &res->ar_io, ar_list) { |
| 692 | if (ar->ar_base == base + length ) { |
| 693 | /* |
| 694 | * Entry just below existing entry - adjust |
| 695 | * the entry and return. |
| 696 | */ |
| 697 | ar->ar_base = base; |
| 698 | ar->ar_length += length; |
| 699 | return; |
| 700 | } else if (ar->ar_base + ar->ar_length == base) { |
| 701 | /* |
| 702 | * Entry just above existing entry - adjust |
| 703 | * the entry and return. |
| 704 | */ |
| 705 | ar->ar_length += length; |
| 706 | return; |
| 707 | } |
| 708 | } |
| 709 | |
| 710 | ar = ACPI_ALLOCATE(sizeof(*ar)); |
| 711 | if (ar == NULL) { |
| 712 | aprint_error_dev(dev, "ACPI: unable to allocate I/O resource %d\n" , |
| 713 | res->ar_nio); |
| 714 | res->ar_nio++; |
| 715 | return; |
| 716 | } |
| 717 | |
| 718 | ar->ar_index = res->ar_nio++; |
| 719 | ar->ar_base = base; |
| 720 | ar->ar_length = length; |
| 721 | |
| 722 | SIMPLEQ_INSERT_TAIL(&res->ar_io, ar, ar_list); |
| 723 | } |
| 724 | |
| 725 | static void |
| 726 | acpi_res_parse_iorange(device_t dev, void *context, uint32_t low, |
| 727 | uint32_t high, uint32_t length, uint32_t align) |
| 728 | { |
| 729 | struct acpi_resources *res = context; |
| 730 | struct acpi_iorange *ar; |
| 731 | |
| 732 | ar = ACPI_ALLOCATE(sizeof(*ar)); |
| 733 | if (ar == NULL) { |
| 734 | aprint_error_dev(dev, "ACPI: unable to allocate I/O range resource %d\n" , |
| 735 | res->ar_niorange); |
| 736 | res->ar_niorange++; |
| 737 | return; |
| 738 | } |
| 739 | |
| 740 | ar->ar_index = res->ar_niorange++; |
| 741 | ar->ar_low = low; |
| 742 | ar->ar_high = high; |
| 743 | ar->ar_length = length; |
| 744 | ar->ar_align = align; |
| 745 | |
| 746 | SIMPLEQ_INSERT_TAIL(&res->ar_iorange, ar, ar_list); |
| 747 | } |
| 748 | |
| 749 | static void |
| 750 | acpi_res_parse_memory(device_t dev, void *context, uint32_t base, |
| 751 | uint32_t length) |
| 752 | { |
| 753 | struct acpi_resources *res = context; |
| 754 | struct acpi_mem *ar; |
| 755 | |
| 756 | ar = ACPI_ALLOCATE(sizeof(*ar)); |
| 757 | if (ar == NULL) { |
| 758 | aprint_error_dev(dev, "ACPI: unable to allocate Memory resource %d\n" , |
| 759 | res->ar_nmem); |
| 760 | res->ar_nmem++; |
| 761 | return; |
| 762 | } |
| 763 | |
| 764 | ar->ar_index = res->ar_nmem++; |
| 765 | ar->ar_base = base; |
| 766 | ar->ar_length = length; |
| 767 | |
| 768 | SIMPLEQ_INSERT_TAIL(&res->ar_mem, ar, ar_list); |
| 769 | } |
| 770 | |
| 771 | static void |
| 772 | acpi_res_parse_memrange(device_t dev, void *context, uint32_t low, |
| 773 | uint32_t high, uint32_t length, uint32_t align) |
| 774 | { |
| 775 | struct acpi_resources *res = context; |
| 776 | struct acpi_memrange *ar; |
| 777 | |
| 778 | ar = ACPI_ALLOCATE(sizeof(*ar)); |
| 779 | if (ar == NULL) { |
| 780 | aprint_error_dev(dev, "ACPI: unable to allocate Memory range resource %d\n" , |
| 781 | res->ar_nmemrange); |
| 782 | res->ar_nmemrange++; |
| 783 | return; |
| 784 | } |
| 785 | |
| 786 | ar->ar_index = res->ar_nmemrange++; |
| 787 | ar->ar_low = low; |
| 788 | ar->ar_high = high; |
| 789 | ar->ar_length = length; |
| 790 | ar->ar_align = align; |
| 791 | |
| 792 | SIMPLEQ_INSERT_TAIL(&res->ar_memrange, ar, ar_list); |
| 793 | } |
| 794 | |
| 795 | static void |
| 796 | acpi_res_parse_irq(device_t dev, void *context, uint32_t irq, uint32_t type) |
| 797 | { |
| 798 | struct acpi_resources *res = context; |
| 799 | struct acpi_irq *ar; |
| 800 | |
| 801 | ar = ACPI_ALLOCATE(sizeof(*ar)); |
| 802 | if (ar == NULL) { |
| 803 | aprint_error_dev(dev, "ACPI: unable to allocate IRQ resource %d\n" , |
| 804 | res->ar_nirq); |
| 805 | res->ar_nirq++; |
| 806 | return; |
| 807 | } |
| 808 | |
| 809 | ar->ar_index = res->ar_nirq++; |
| 810 | ar->ar_irq = irq; |
| 811 | ar->ar_type = type; |
| 812 | |
| 813 | SIMPLEQ_INSERT_TAIL(&res->ar_irq, ar, ar_list); |
| 814 | } |
| 815 | |
| 816 | static void |
| 817 | acpi_res_parse_drq(device_t dev, void *context, uint32_t drq) |
| 818 | { |
| 819 | struct acpi_resources *res = context; |
| 820 | struct acpi_drq *ar; |
| 821 | |
| 822 | ar = ACPI_ALLOCATE(sizeof(*ar)); |
| 823 | if (ar == NULL) { |
| 824 | aprint_error_dev(dev, "ACPI: unable to allocate DRQ resource %d\n" , |
| 825 | res->ar_ndrq); |
| 826 | res->ar_ndrq++; |
| 827 | return; |
| 828 | } |
| 829 | |
| 830 | ar->ar_index = res->ar_ndrq++; |
| 831 | ar->ar_drq = drq; |
| 832 | |
| 833 | SIMPLEQ_INSERT_TAIL(&res->ar_drq, ar, ar_list); |
| 834 | } |
| 835 | |
| 836 | static void |
| 837 | acpi_res_parse_start_dep(device_t dev, void *context, |
| 838 | int preference) |
| 839 | { |
| 840 | |
| 841 | aprint_error_dev(dev, "ACPI: dependent functions not supported\n" ); |
| 842 | } |
| 843 | |
| 844 | static void |
| 845 | acpi_res_parse_end_dep(device_t dev, void *context) |
| 846 | { |
| 847 | |
| 848 | /* Nothing to do. */ |
| 849 | } |
| 850 | |