Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * pnpacpi -- PnP ACPI driver |
| 3 | * |
| 4 | * Copyright (c) 2004 Matthieu Castet <castet.matthieu@free.fr> |
| 5 | * Copyright (c) 2004 Li Shaohua <shaohua.li@intel.com> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify it |
| 8 | * under the terms of the GNU General Public License as published by the |
| 9 | * Free Software Foundation; either version 2, or (at your option) any |
| 10 | * later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, but |
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 | */ |
| 21 | #include <linux/kernel.h> |
| 22 | #include <linux/acpi.h> |
| 23 | #include <linux/pci.h> |
| 24 | #include "pnpacpi.h" |
| 25 | |
| 26 | #ifdef CONFIG_IA64 |
| 27 | #define valid_IRQ(i) (1) |
| 28 | #else |
| 29 | #define valid_IRQ(i) (((i) != 0) && ((i) != 2)) |
| 30 | #endif |
| 31 | |
| 32 | /* |
| 33 | * Allocated Resources |
| 34 | */ |
| 35 | static int irq_flags(int edge_level, int active_high_low) |
| 36 | { |
| 37 | int flag; |
| 38 | if (edge_level == ACPI_LEVEL_SENSITIVE) { |
| 39 | if(active_high_low == ACPI_ACTIVE_LOW) |
| 40 | flag = IORESOURCE_IRQ_LOWLEVEL; |
| 41 | else |
| 42 | flag = IORESOURCE_IRQ_HIGHLEVEL; |
| 43 | } |
| 44 | else { |
| 45 | if(active_high_low == ACPI_ACTIVE_LOW) |
| 46 | flag = IORESOURCE_IRQ_LOWEDGE; |
| 47 | else |
| 48 | flag = IORESOURCE_IRQ_HIGHEDGE; |
| 49 | } |
| 50 | return flag; |
| 51 | } |
| 52 | |
| 53 | static void decode_irq_flags(int flag, int *edge_level, int *active_high_low) |
| 54 | { |
| 55 | switch (flag) { |
| 56 | case IORESOURCE_IRQ_LOWLEVEL: |
| 57 | *edge_level = ACPI_LEVEL_SENSITIVE; |
| 58 | *active_high_low = ACPI_ACTIVE_LOW; |
| 59 | break; |
| 60 | case IORESOURCE_IRQ_HIGHLEVEL: |
| 61 | *edge_level = ACPI_LEVEL_SENSITIVE; |
| 62 | *active_high_low = ACPI_ACTIVE_HIGH; |
| 63 | break; |
| 64 | case IORESOURCE_IRQ_LOWEDGE: |
| 65 | *edge_level = ACPI_EDGE_SENSITIVE; |
| 66 | *active_high_low = ACPI_ACTIVE_LOW; |
| 67 | break; |
| 68 | case IORESOURCE_IRQ_HIGHEDGE: |
| 69 | *edge_level = ACPI_EDGE_SENSITIVE; |
| 70 | *active_high_low = ACPI_ACTIVE_HIGH; |
| 71 | break; |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | static void |
| 76 | pnpacpi_parse_allocated_irqresource(struct pnp_resource_table * res, int irq) |
| 77 | { |
| 78 | int i = 0; |
| 79 | while (!(res->irq_resource[i].flags & IORESOURCE_UNSET) && |
| 80 | i < PNP_MAX_IRQ) |
| 81 | i++; |
| 82 | if (i < PNP_MAX_IRQ) { |
| 83 | res->irq_resource[i].flags = IORESOURCE_IRQ; //Also clears _UNSET flag |
Kenji Kaneshige | 71df30f | 2005-07-28 14:42:00 -0400 | [diff] [blame] | 84 | if (irq < 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | res->irq_resource[i].flags |= IORESOURCE_DISABLED; |
| 86 | return; |
| 87 | } |
| 88 | res->irq_resource[i].start =(unsigned long) irq; |
| 89 | res->irq_resource[i].end = (unsigned long) irq; |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | static void |
| 94 | pnpacpi_parse_allocated_dmaresource(struct pnp_resource_table * res, int dma) |
| 95 | { |
| 96 | int i = 0; |
Adrian Bunk | 0dec63b | 2005-05-01 08:59:30 -0700 | [diff] [blame] | 97 | while (i < PNP_MAX_DMA && |
| 98 | !(res->dma_resource[i].flags & IORESOURCE_UNSET)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 99 | i++; |
| 100 | if (i < PNP_MAX_DMA) { |
| 101 | res->dma_resource[i].flags = IORESOURCE_DMA; // Also clears _UNSET flag |
| 102 | if (dma == -1) { |
| 103 | res->dma_resource[i].flags |= IORESOURCE_DISABLED; |
| 104 | return; |
| 105 | } |
| 106 | res->dma_resource[i].start =(unsigned long) dma; |
| 107 | res->dma_resource[i].end = (unsigned long) dma; |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | static void |
| 112 | pnpacpi_parse_allocated_ioresource(struct pnp_resource_table * res, |
| 113 | int io, int len) |
| 114 | { |
| 115 | int i = 0; |
| 116 | while (!(res->port_resource[i].flags & IORESOURCE_UNSET) && |
| 117 | i < PNP_MAX_PORT) |
| 118 | i++; |
| 119 | if (i < PNP_MAX_PORT) { |
| 120 | res->port_resource[i].flags = IORESOURCE_IO; // Also clears _UNSET flag |
| 121 | if (len <= 0 || (io + len -1) >= 0x10003) { |
| 122 | res->port_resource[i].flags |= IORESOURCE_DISABLED; |
| 123 | return; |
| 124 | } |
| 125 | res->port_resource[i].start = (unsigned long) io; |
| 126 | res->port_resource[i].end = (unsigned long)(io + len - 1); |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | static void |
| 131 | pnpacpi_parse_allocated_memresource(struct pnp_resource_table * res, |
| 132 | int mem, int len) |
| 133 | { |
| 134 | int i = 0; |
| 135 | while (!(res->mem_resource[i].flags & IORESOURCE_UNSET) && |
| 136 | (i < PNP_MAX_MEM)) |
| 137 | i++; |
| 138 | if (i < PNP_MAX_MEM) { |
| 139 | res->mem_resource[i].flags = IORESOURCE_MEM; // Also clears _UNSET flag |
| 140 | if (len <= 0) { |
| 141 | res->mem_resource[i].flags |= IORESOURCE_DISABLED; |
| 142 | return; |
| 143 | } |
| 144 | res->mem_resource[i].start = (unsigned long) mem; |
| 145 | res->mem_resource[i].end = (unsigned long)(mem + len - 1); |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | |
| 150 | static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res, |
| 151 | void *data) |
| 152 | { |
| 153 | struct pnp_resource_table * res_table = (struct pnp_resource_table *)data; |
| 154 | |
| 155 | switch (res->id) { |
| 156 | case ACPI_RSTYPE_IRQ: |
| 157 | if ((res->data.irq.number_of_interrupts > 0) && |
| 158 | valid_IRQ(res->data.irq.interrupts[0])) { |
| 159 | pnpacpi_parse_allocated_irqresource(res_table, |
| 160 | acpi_register_gsi(res->data.irq.interrupts[0], |
| 161 | res->data.irq.edge_level, |
| 162 | res->data.irq.active_high_low)); |
David Shaohua Li | c9c3e45 | 2005-04-01 00:07:31 -0500 | [diff] [blame] | 163 | pcibios_penalize_isa_irq(res->data.irq.interrupts[0], 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | } |
| 165 | break; |
| 166 | |
| 167 | case ACPI_RSTYPE_EXT_IRQ: |
| 168 | if ((res->data.extended_irq.number_of_interrupts > 0) && |
| 169 | valid_IRQ(res->data.extended_irq.interrupts[0])) { |
| 170 | pnpacpi_parse_allocated_irqresource(res_table, |
| 171 | acpi_register_gsi(res->data.extended_irq.interrupts[0], |
| 172 | res->data.extended_irq.edge_level, |
| 173 | res->data.extended_irq.active_high_low)); |
David Shaohua Li | c9c3e45 | 2005-04-01 00:07:31 -0500 | [diff] [blame] | 174 | pcibios_penalize_isa_irq(res->data.extended_irq.interrupts[0], 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 175 | } |
| 176 | break; |
| 177 | case ACPI_RSTYPE_DMA: |
| 178 | if (res->data.dma.number_of_channels > 0) |
| 179 | pnpacpi_parse_allocated_dmaresource(res_table, |
| 180 | res->data.dma.channels[0]); |
| 181 | break; |
| 182 | case ACPI_RSTYPE_IO: |
| 183 | pnpacpi_parse_allocated_ioresource(res_table, |
| 184 | res->data.io.min_base_address, |
| 185 | res->data.io.range_length); |
| 186 | break; |
| 187 | case ACPI_RSTYPE_FIXED_IO: |
| 188 | pnpacpi_parse_allocated_ioresource(res_table, |
| 189 | res->data.fixed_io.base_address, |
| 190 | res->data.fixed_io.range_length); |
| 191 | break; |
| 192 | case ACPI_RSTYPE_MEM24: |
| 193 | pnpacpi_parse_allocated_memresource(res_table, |
| 194 | res->data.memory24.min_base_address, |
| 195 | res->data.memory24.range_length); |
| 196 | break; |
| 197 | case ACPI_RSTYPE_MEM32: |
| 198 | pnpacpi_parse_allocated_memresource(res_table, |
| 199 | res->data.memory32.min_base_address, |
| 200 | res->data.memory32.range_length); |
| 201 | break; |
| 202 | case ACPI_RSTYPE_FIXED_MEM32: |
| 203 | pnpacpi_parse_allocated_memresource(res_table, |
| 204 | res->data.fixed_memory32.range_base_address, |
| 205 | res->data.fixed_memory32.range_length); |
| 206 | break; |
| 207 | case ACPI_RSTYPE_ADDRESS16: |
| 208 | pnpacpi_parse_allocated_memresource(res_table, |
| 209 | res->data.address16.min_address_range, |
| 210 | res->data.address16.address_length); |
| 211 | break; |
| 212 | case ACPI_RSTYPE_ADDRESS32: |
| 213 | pnpacpi_parse_allocated_memresource(res_table, |
| 214 | res->data.address32.min_address_range, |
| 215 | res->data.address32.address_length); |
| 216 | break; |
| 217 | case ACPI_RSTYPE_ADDRESS64: |
| 218 | pnpacpi_parse_allocated_memresource(res_table, |
| 219 | res->data.address64.min_address_range, |
| 220 | res->data.address64.address_length); |
| 221 | break; |
| 222 | case ACPI_RSTYPE_VENDOR: |
| 223 | break; |
| 224 | default: |
| 225 | pnp_warn("PnPACPI: unknown resource type %d", res->id); |
| 226 | return AE_ERROR; |
| 227 | } |
| 228 | |
| 229 | return AE_OK; |
| 230 | } |
| 231 | |
| 232 | acpi_status pnpacpi_parse_allocated_resource(acpi_handle handle, struct pnp_resource_table * res) |
| 233 | { |
| 234 | /* Blank the resource table values */ |
| 235 | pnp_init_resource_table(res); |
| 236 | |
| 237 | return acpi_walk_resources(handle, METHOD_NAME__CRS, pnpacpi_allocated_resource, res); |
| 238 | } |
| 239 | |
| 240 | static void pnpacpi_parse_dma_option(struct pnp_option *option, struct acpi_resource_dma *p) |
| 241 | { |
| 242 | int i; |
| 243 | struct pnp_dma * dma; |
| 244 | |
| 245 | if (p->number_of_channels == 0) |
| 246 | return; |
| 247 | dma = pnpacpi_kmalloc(sizeof(struct pnp_dma), GFP_KERNEL); |
| 248 | if (!dma) |
| 249 | return; |
| 250 | |
| 251 | for(i = 0; i < p->number_of_channels; i++) |
| 252 | dma->map |= 1 << p->channels[i]; |
| 253 | dma->flags = 0; |
| 254 | if (p->bus_master) |
| 255 | dma->flags |= IORESOURCE_DMA_MASTER; |
| 256 | switch (p->type) { |
| 257 | case ACPI_COMPATIBILITY: |
| 258 | dma->flags |= IORESOURCE_DMA_COMPATIBLE; |
| 259 | break; |
| 260 | case ACPI_TYPE_A: |
| 261 | dma->flags |= IORESOURCE_DMA_TYPEA; |
| 262 | break; |
| 263 | case ACPI_TYPE_B: |
| 264 | dma->flags |= IORESOURCE_DMA_TYPEB; |
| 265 | break; |
| 266 | case ACPI_TYPE_F: |
| 267 | dma->flags |= IORESOURCE_DMA_TYPEF; |
| 268 | break; |
| 269 | default: |
| 270 | /* Set a default value ? */ |
| 271 | dma->flags |= IORESOURCE_DMA_COMPATIBLE; |
| 272 | pnp_err("Invalid DMA type"); |
| 273 | } |
| 274 | switch (p->transfer) { |
| 275 | case ACPI_TRANSFER_8: |
| 276 | dma->flags |= IORESOURCE_DMA_8BIT; |
| 277 | break; |
| 278 | case ACPI_TRANSFER_8_16: |
| 279 | dma->flags |= IORESOURCE_DMA_8AND16BIT; |
| 280 | break; |
| 281 | case ACPI_TRANSFER_16: |
| 282 | dma->flags |= IORESOURCE_DMA_16BIT; |
| 283 | break; |
| 284 | default: |
| 285 | /* Set a default value ? */ |
| 286 | dma->flags |= IORESOURCE_DMA_8AND16BIT; |
| 287 | pnp_err("Invalid DMA transfer type"); |
| 288 | } |
| 289 | |
| 290 | pnp_register_dma_resource(option,dma); |
| 291 | return; |
| 292 | } |
| 293 | |
| 294 | |
| 295 | static void pnpacpi_parse_irq_option(struct pnp_option *option, |
| 296 | struct acpi_resource_irq *p) |
| 297 | { |
| 298 | int i; |
| 299 | struct pnp_irq * irq; |
| 300 | |
| 301 | if (p->number_of_interrupts == 0) |
| 302 | return; |
| 303 | irq = pnpacpi_kmalloc(sizeof(struct pnp_irq), GFP_KERNEL); |
| 304 | if (!irq) |
| 305 | return; |
| 306 | |
| 307 | for(i = 0; i < p->number_of_interrupts; i++) |
| 308 | if (p->interrupts[i]) |
| 309 | __set_bit(p->interrupts[i], irq->map); |
| 310 | irq->flags = irq_flags(p->edge_level, p->active_high_low); |
| 311 | |
| 312 | pnp_register_irq_resource(option, irq); |
| 313 | return; |
| 314 | } |
| 315 | |
| 316 | static void pnpacpi_parse_ext_irq_option(struct pnp_option *option, |
| 317 | struct acpi_resource_ext_irq *p) |
| 318 | { |
| 319 | int i; |
| 320 | struct pnp_irq * irq; |
| 321 | |
| 322 | if (p->number_of_interrupts == 0) |
| 323 | return; |
| 324 | irq = pnpacpi_kmalloc(sizeof(struct pnp_irq), GFP_KERNEL); |
| 325 | if (!irq) |
| 326 | return; |
| 327 | |
| 328 | for(i = 0; i < p->number_of_interrupts; i++) |
| 329 | if (p->interrupts[i]) |
| 330 | __set_bit(p->interrupts[i], irq->map); |
| 331 | irq->flags = irq_flags(p->edge_level, p->active_high_low); |
| 332 | |
| 333 | pnp_register_irq_resource(option, irq); |
| 334 | return; |
| 335 | } |
| 336 | |
| 337 | static void |
| 338 | pnpacpi_parse_port_option(struct pnp_option *option, |
| 339 | struct acpi_resource_io *io) |
| 340 | { |
| 341 | struct pnp_port * port; |
| 342 | |
| 343 | if (io->range_length == 0) |
| 344 | return; |
| 345 | port = pnpacpi_kmalloc(sizeof(struct pnp_port), GFP_KERNEL); |
| 346 | if (!port) |
| 347 | return; |
| 348 | port->min = io->min_base_address; |
| 349 | port->max = io->max_base_address; |
| 350 | port->align = io->alignment; |
| 351 | port->size = io->range_length; |
| 352 | port->flags = ACPI_DECODE_16 == io->io_decode ? |
| 353 | PNP_PORT_FLAG_16BITADDR : 0; |
| 354 | pnp_register_port_resource(option,port); |
| 355 | return; |
| 356 | } |
| 357 | |
| 358 | static void |
| 359 | pnpacpi_parse_fixed_port_option(struct pnp_option *option, |
| 360 | struct acpi_resource_fixed_io *io) |
| 361 | { |
| 362 | struct pnp_port * port; |
| 363 | |
| 364 | if (io->range_length == 0) |
| 365 | return; |
| 366 | port = pnpacpi_kmalloc(sizeof(struct pnp_port), GFP_KERNEL); |
| 367 | if (!port) |
| 368 | return; |
| 369 | port->min = port->max = io->base_address; |
| 370 | port->size = io->range_length; |
| 371 | port->align = 0; |
| 372 | port->flags = PNP_PORT_FLAG_FIXED; |
| 373 | pnp_register_port_resource(option,port); |
| 374 | return; |
| 375 | } |
| 376 | |
| 377 | static void |
| 378 | pnpacpi_parse_mem24_option(struct pnp_option *option, |
| 379 | struct acpi_resource_mem24 *p) |
| 380 | { |
| 381 | struct pnp_mem * mem; |
| 382 | |
| 383 | if (p->range_length == 0) |
| 384 | return; |
| 385 | mem = pnpacpi_kmalloc(sizeof(struct pnp_mem), GFP_KERNEL); |
| 386 | if (!mem) |
| 387 | return; |
| 388 | mem->min = p->min_base_address; |
| 389 | mem->max = p->max_base_address; |
| 390 | mem->align = p->alignment; |
| 391 | mem->size = p->range_length; |
| 392 | |
| 393 | mem->flags = (ACPI_READ_WRITE_MEMORY == p->read_write_attribute) ? |
| 394 | IORESOURCE_MEM_WRITEABLE : 0; |
| 395 | |
| 396 | pnp_register_mem_resource(option,mem); |
| 397 | return; |
| 398 | } |
| 399 | |
| 400 | static void |
| 401 | pnpacpi_parse_mem32_option(struct pnp_option *option, |
| 402 | struct acpi_resource_mem32 *p) |
| 403 | { |
| 404 | struct pnp_mem * mem; |
| 405 | |
| 406 | if (p->range_length == 0) |
| 407 | return; |
| 408 | mem = pnpacpi_kmalloc(sizeof(struct pnp_mem), GFP_KERNEL); |
| 409 | if (!mem) |
| 410 | return; |
| 411 | mem->min = p->min_base_address; |
| 412 | mem->max = p->max_base_address; |
| 413 | mem->align = p->alignment; |
| 414 | mem->size = p->range_length; |
| 415 | |
| 416 | mem->flags = (ACPI_READ_WRITE_MEMORY == p->read_write_attribute) ? |
| 417 | IORESOURCE_MEM_WRITEABLE : 0; |
| 418 | |
| 419 | pnp_register_mem_resource(option,mem); |
| 420 | return; |
| 421 | } |
| 422 | |
| 423 | static void |
| 424 | pnpacpi_parse_fixed_mem32_option(struct pnp_option *option, |
| 425 | struct acpi_resource_fixed_mem32 *p) |
| 426 | { |
| 427 | struct pnp_mem * mem; |
| 428 | |
| 429 | if (p->range_length == 0) |
| 430 | return; |
| 431 | mem = pnpacpi_kmalloc(sizeof(struct pnp_mem), GFP_KERNEL); |
| 432 | if (!mem) |
| 433 | return; |
| 434 | mem->min = mem->max = p->range_base_address; |
| 435 | mem->size = p->range_length; |
| 436 | mem->align = 0; |
| 437 | |
| 438 | mem->flags = (ACPI_READ_WRITE_MEMORY == p->read_write_attribute) ? |
| 439 | IORESOURCE_MEM_WRITEABLE : 0; |
| 440 | |
| 441 | pnp_register_mem_resource(option,mem); |
| 442 | return; |
| 443 | } |
| 444 | |
| 445 | struct acpipnp_parse_option_s { |
| 446 | struct pnp_option *option; |
Matthieu Castet | b008b8d | 2005-03-25 12:03:15 -0500 | [diff] [blame] | 447 | struct pnp_option *option_independent; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 448 | struct pnp_dev *dev; |
| 449 | }; |
| 450 | |
| 451 | static acpi_status pnpacpi_option_resource(struct acpi_resource *res, |
| 452 | void *data) |
| 453 | { |
| 454 | int priority = 0; |
| 455 | struct acpipnp_parse_option_s *parse_data = (struct acpipnp_parse_option_s *)data; |
| 456 | struct pnp_dev *dev = parse_data->dev; |
| 457 | struct pnp_option *option = parse_data->option; |
| 458 | |
| 459 | switch (res->id) { |
| 460 | case ACPI_RSTYPE_IRQ: |
| 461 | pnpacpi_parse_irq_option(option, &res->data.irq); |
| 462 | break; |
| 463 | case ACPI_RSTYPE_EXT_IRQ: |
| 464 | pnpacpi_parse_ext_irq_option(option, |
| 465 | &res->data.extended_irq); |
| 466 | break; |
| 467 | case ACPI_RSTYPE_DMA: |
| 468 | pnpacpi_parse_dma_option(option, &res->data.dma); |
| 469 | break; |
| 470 | case ACPI_RSTYPE_IO: |
| 471 | pnpacpi_parse_port_option(option, &res->data.io); |
| 472 | break; |
| 473 | case ACPI_RSTYPE_FIXED_IO: |
| 474 | pnpacpi_parse_fixed_port_option(option, |
| 475 | &res->data.fixed_io); |
| 476 | break; |
| 477 | case ACPI_RSTYPE_MEM24: |
| 478 | pnpacpi_parse_mem24_option(option, &res->data.memory24); |
| 479 | break; |
| 480 | case ACPI_RSTYPE_MEM32: |
| 481 | pnpacpi_parse_mem32_option(option, &res->data.memory32); |
| 482 | break; |
| 483 | case ACPI_RSTYPE_FIXED_MEM32: |
| 484 | pnpacpi_parse_fixed_mem32_option(option, |
| 485 | &res->data.fixed_memory32); |
| 486 | break; |
| 487 | case ACPI_RSTYPE_START_DPF: |
| 488 | switch (res->data.start_dpf.compatibility_priority) { |
| 489 | case ACPI_GOOD_CONFIGURATION: |
| 490 | priority = PNP_RES_PRIORITY_PREFERRED; |
| 491 | break; |
| 492 | |
| 493 | case ACPI_ACCEPTABLE_CONFIGURATION: |
| 494 | priority = PNP_RES_PRIORITY_ACCEPTABLE; |
| 495 | break; |
| 496 | |
| 497 | case ACPI_SUB_OPTIMAL_CONFIGURATION: |
| 498 | priority = PNP_RES_PRIORITY_FUNCTIONAL; |
| 499 | break; |
| 500 | default: |
| 501 | priority = PNP_RES_PRIORITY_INVALID; |
| 502 | break; |
| 503 | } |
| 504 | /* TBD: Considering performace/robustness bits */ |
| 505 | option = pnp_register_dependent_option(dev, priority); |
| 506 | if (!option) |
| 507 | return AE_ERROR; |
| 508 | parse_data->option = option; |
| 509 | break; |
| 510 | case ACPI_RSTYPE_END_DPF: |
Matthieu Castet | b008b8d | 2005-03-25 12:03:15 -0500 | [diff] [blame] | 511 | /*only one EndDependentFn is allowed*/ |
| 512 | if (!parse_data->option_independent) { |
| 513 | pnp_warn("PnPACPI: more than one EndDependentFn"); |
| 514 | return AE_ERROR; |
| 515 | } |
| 516 | parse_data->option = parse_data->option_independent; |
| 517 | parse_data->option_independent = NULL; |
| 518 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 519 | default: |
| 520 | pnp_warn("PnPACPI: unknown resource type %d", res->id); |
| 521 | return AE_ERROR; |
| 522 | } |
| 523 | |
| 524 | return AE_OK; |
| 525 | } |
| 526 | |
| 527 | acpi_status pnpacpi_parse_resource_option_data(acpi_handle handle, |
| 528 | struct pnp_dev *dev) |
| 529 | { |
| 530 | acpi_status status; |
| 531 | struct acpipnp_parse_option_s parse_data; |
| 532 | |
| 533 | parse_data.option = pnp_register_independent_option(dev); |
| 534 | if (!parse_data.option) |
| 535 | return AE_ERROR; |
Matthieu Castet | b008b8d | 2005-03-25 12:03:15 -0500 | [diff] [blame] | 536 | parse_data.option_independent = parse_data.option; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 537 | parse_data.dev = dev; |
| 538 | status = acpi_walk_resources(handle, METHOD_NAME__PRS, |
| 539 | pnpacpi_option_resource, &parse_data); |
| 540 | |
| 541 | return status; |
| 542 | } |
| 543 | |
| 544 | /* |
| 545 | * Set resource |
| 546 | */ |
| 547 | static acpi_status pnpacpi_count_resources(struct acpi_resource *res, |
| 548 | void *data) |
| 549 | { |
| 550 | int *res_cnt = (int *)data; |
| 551 | switch (res->id) { |
| 552 | case ACPI_RSTYPE_IRQ: |
| 553 | case ACPI_RSTYPE_EXT_IRQ: |
| 554 | case ACPI_RSTYPE_DMA: |
| 555 | case ACPI_RSTYPE_IO: |
| 556 | case ACPI_RSTYPE_FIXED_IO: |
| 557 | case ACPI_RSTYPE_MEM24: |
| 558 | case ACPI_RSTYPE_MEM32: |
| 559 | case ACPI_RSTYPE_FIXED_MEM32: |
| 560 | #if 0 |
| 561 | case ACPI_RSTYPE_ADDRESS16: |
| 562 | case ACPI_RSTYPE_ADDRESS32: |
| 563 | case ACPI_RSTYPE_ADDRESS64: |
| 564 | #endif |
| 565 | (*res_cnt) ++; |
| 566 | default: |
| 567 | return AE_OK; |
| 568 | } |
| 569 | return AE_OK; |
| 570 | } |
| 571 | |
| 572 | static acpi_status pnpacpi_type_resources(struct acpi_resource *res, |
| 573 | void *data) |
| 574 | { |
| 575 | struct acpi_resource **resource = (struct acpi_resource **)data; |
| 576 | switch (res->id) { |
| 577 | case ACPI_RSTYPE_IRQ: |
| 578 | case ACPI_RSTYPE_EXT_IRQ: |
| 579 | case ACPI_RSTYPE_DMA: |
| 580 | case ACPI_RSTYPE_IO: |
| 581 | case ACPI_RSTYPE_FIXED_IO: |
| 582 | case ACPI_RSTYPE_MEM24: |
| 583 | case ACPI_RSTYPE_MEM32: |
| 584 | case ACPI_RSTYPE_FIXED_MEM32: |
| 585 | #if 0 |
| 586 | case ACPI_RSTYPE_ADDRESS16: |
| 587 | case ACPI_RSTYPE_ADDRESS32: |
| 588 | case ACPI_RSTYPE_ADDRESS64: |
| 589 | #endif |
| 590 | (*resource)->id = res->id; |
| 591 | (*resource)++; |
| 592 | default: |
| 593 | return AE_OK; |
| 594 | } |
| 595 | |
| 596 | return AE_OK; |
| 597 | } |
| 598 | |
| 599 | int pnpacpi_build_resource_template(acpi_handle handle, |
| 600 | struct acpi_buffer *buffer) |
| 601 | { |
| 602 | struct acpi_resource *resource; |
| 603 | int res_cnt = 0; |
| 604 | acpi_status status; |
| 605 | |
| 606 | status = acpi_walk_resources(handle, METHOD_NAME__CRS, |
| 607 | pnpacpi_count_resources, &res_cnt); |
| 608 | if (ACPI_FAILURE(status)) { |
| 609 | pnp_err("Evaluate _CRS failed"); |
| 610 | return -EINVAL; |
| 611 | } |
| 612 | if (!res_cnt) |
| 613 | return -EINVAL; |
| 614 | buffer->length = sizeof(struct acpi_resource) * (res_cnt + 1) + 1; |
| 615 | buffer->pointer = pnpacpi_kmalloc(buffer->length - 1, GFP_KERNEL); |
| 616 | if (!buffer->pointer) |
| 617 | return -ENOMEM; |
| 618 | pnp_dbg("Res cnt %d", res_cnt); |
| 619 | resource = (struct acpi_resource *)buffer->pointer; |
| 620 | status = acpi_walk_resources(handle, METHOD_NAME__CRS, |
| 621 | pnpacpi_type_resources, &resource); |
| 622 | if (ACPI_FAILURE(status)) { |
| 623 | kfree(buffer->pointer); |
| 624 | pnp_err("Evaluate _CRS failed"); |
| 625 | return -EINVAL; |
| 626 | } |
| 627 | /* resource will pointer the end resource now */ |
| 628 | resource->id = ACPI_RSTYPE_END_TAG; |
| 629 | |
| 630 | return 0; |
| 631 | } |
| 632 | |
| 633 | static void pnpacpi_encode_irq(struct acpi_resource *resource, |
| 634 | struct resource *p) |
| 635 | { |
| 636 | int edge_level, active_high_low; |
| 637 | |
| 638 | decode_irq_flags(p->flags & IORESOURCE_BITS, &edge_level, |
| 639 | &active_high_low); |
| 640 | resource->id = ACPI_RSTYPE_IRQ; |
| 641 | resource->length = sizeof(struct acpi_resource); |
| 642 | resource->data.irq.edge_level = edge_level; |
| 643 | resource->data.irq.active_high_low = active_high_low; |
| 644 | if (edge_level == ACPI_EDGE_SENSITIVE) |
| 645 | resource->data.irq.shared_exclusive = ACPI_EXCLUSIVE; |
| 646 | else |
| 647 | resource->data.irq.shared_exclusive = ACPI_SHARED; |
| 648 | resource->data.irq.number_of_interrupts = 1; |
| 649 | resource->data.irq.interrupts[0] = p->start; |
| 650 | } |
| 651 | |
| 652 | static void pnpacpi_encode_ext_irq(struct acpi_resource *resource, |
| 653 | struct resource *p) |
| 654 | { |
| 655 | int edge_level, active_high_low; |
| 656 | |
| 657 | decode_irq_flags(p->flags & IORESOURCE_BITS, &edge_level, |
| 658 | &active_high_low); |
| 659 | resource->id = ACPI_RSTYPE_EXT_IRQ; |
| 660 | resource->length = sizeof(struct acpi_resource); |
| 661 | resource->data.extended_irq.producer_consumer = ACPI_CONSUMER; |
| 662 | resource->data.extended_irq.edge_level = edge_level; |
| 663 | resource->data.extended_irq.active_high_low = active_high_low; |
| 664 | if (edge_level == ACPI_EDGE_SENSITIVE) |
| 665 | resource->data.irq.shared_exclusive = ACPI_EXCLUSIVE; |
| 666 | else |
| 667 | resource->data.irq.shared_exclusive = ACPI_SHARED; |
| 668 | resource->data.extended_irq.number_of_interrupts = 1; |
| 669 | resource->data.extended_irq.interrupts[0] = p->start; |
| 670 | } |
| 671 | |
| 672 | static void pnpacpi_encode_dma(struct acpi_resource *resource, |
| 673 | struct resource *p) |
| 674 | { |
| 675 | resource->id = ACPI_RSTYPE_DMA; |
| 676 | resource->length = sizeof(struct acpi_resource); |
| 677 | /* Note: pnp_assign_dma will copy pnp_dma->flags into p->flags */ |
| 678 | if (p->flags & IORESOURCE_DMA_COMPATIBLE) |
| 679 | resource->data.dma.type = ACPI_COMPATIBILITY; |
| 680 | else if (p->flags & IORESOURCE_DMA_TYPEA) |
| 681 | resource->data.dma.type = ACPI_TYPE_A; |
| 682 | else if (p->flags & IORESOURCE_DMA_TYPEB) |
| 683 | resource->data.dma.type = ACPI_TYPE_B; |
| 684 | else if (p->flags & IORESOURCE_DMA_TYPEF) |
| 685 | resource->data.dma.type = ACPI_TYPE_F; |
| 686 | if (p->flags & IORESOURCE_DMA_8BIT) |
| 687 | resource->data.dma.transfer = ACPI_TRANSFER_8; |
| 688 | else if (p->flags & IORESOURCE_DMA_8AND16BIT) |
| 689 | resource->data.dma.transfer = ACPI_TRANSFER_8_16; |
| 690 | else if (p->flags & IORESOURCE_DMA_16BIT) |
| 691 | resource->data.dma.transfer = ACPI_TRANSFER_16; |
| 692 | resource->data.dma.bus_master = p->flags & IORESOURCE_DMA_MASTER; |
| 693 | resource->data.dma.number_of_channels = 1; |
| 694 | resource->data.dma.channels[0] = p->start; |
| 695 | } |
| 696 | |
| 697 | static void pnpacpi_encode_io(struct acpi_resource *resource, |
| 698 | struct resource *p) |
| 699 | { |
| 700 | resource->id = ACPI_RSTYPE_IO; |
| 701 | resource->length = sizeof(struct acpi_resource); |
| 702 | /* Note: pnp_assign_port will copy pnp_port->flags into p->flags */ |
| 703 | resource->data.io.io_decode = (p->flags & PNP_PORT_FLAG_16BITADDR)? |
| 704 | ACPI_DECODE_16 : ACPI_DECODE_10; |
| 705 | resource->data.io.min_base_address = p->start; |
| 706 | resource->data.io.max_base_address = p->end; |
| 707 | resource->data.io.alignment = 0; /* Correct? */ |
| 708 | resource->data.io.range_length = p->end - p->start + 1; |
| 709 | } |
| 710 | |
| 711 | static void pnpacpi_encode_fixed_io(struct acpi_resource *resource, |
| 712 | struct resource *p) |
| 713 | { |
| 714 | resource->id = ACPI_RSTYPE_FIXED_IO; |
| 715 | resource->length = sizeof(struct acpi_resource); |
| 716 | resource->data.fixed_io.base_address = p->start; |
| 717 | resource->data.fixed_io.range_length = p->end - p->start + 1; |
| 718 | } |
| 719 | |
| 720 | static void pnpacpi_encode_mem24(struct acpi_resource *resource, |
| 721 | struct resource *p) |
| 722 | { |
| 723 | resource->id = ACPI_RSTYPE_MEM24; |
| 724 | resource->length = sizeof(struct acpi_resource); |
| 725 | /* Note: pnp_assign_mem will copy pnp_mem->flags into p->flags */ |
| 726 | resource->data.memory24.read_write_attribute = |
| 727 | (p->flags & IORESOURCE_MEM_WRITEABLE) ? |
| 728 | ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY; |
| 729 | resource->data.memory24.min_base_address = p->start; |
| 730 | resource->data.memory24.max_base_address = p->end; |
| 731 | resource->data.memory24.alignment = 0; |
| 732 | resource->data.memory24.range_length = p->end - p->start + 1; |
| 733 | } |
| 734 | |
| 735 | static void pnpacpi_encode_mem32(struct acpi_resource *resource, |
| 736 | struct resource *p) |
| 737 | { |
| 738 | resource->id = ACPI_RSTYPE_MEM32; |
| 739 | resource->length = sizeof(struct acpi_resource); |
| 740 | resource->data.memory32.read_write_attribute = |
| 741 | (p->flags & IORESOURCE_MEM_WRITEABLE) ? |
| 742 | ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY; |
| 743 | resource->data.memory32.min_base_address = p->start; |
| 744 | resource->data.memory32.max_base_address = p->end; |
| 745 | resource->data.memory32.alignment = 0; |
| 746 | resource->data.memory32.range_length = p->end - p->start + 1; |
| 747 | } |
| 748 | |
| 749 | static void pnpacpi_encode_fixed_mem32(struct acpi_resource *resource, |
| 750 | struct resource *p) |
| 751 | { |
| 752 | resource->id = ACPI_RSTYPE_FIXED_MEM32; |
| 753 | resource->length = sizeof(struct acpi_resource); |
| 754 | resource->data.fixed_memory32.read_write_attribute = |
| 755 | (p->flags & IORESOURCE_MEM_WRITEABLE) ? |
| 756 | ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY; |
| 757 | resource->data.fixed_memory32.range_base_address = p->start; |
| 758 | resource->data.fixed_memory32.range_length = p->end - p->start + 1; |
| 759 | } |
| 760 | |
| 761 | int pnpacpi_encode_resources(struct pnp_resource_table *res_table, |
| 762 | struct acpi_buffer *buffer) |
| 763 | { |
| 764 | int i = 0; |
| 765 | /* pnpacpi_build_resource_template allocates extra mem */ |
| 766 | int res_cnt = (buffer->length - 1)/sizeof(struct acpi_resource) - 1; |
| 767 | struct acpi_resource *resource = (struct acpi_resource*)buffer->pointer; |
| 768 | int port = 0, irq = 0, dma = 0, mem = 0; |
| 769 | |
| 770 | pnp_dbg("res cnt %d", res_cnt); |
| 771 | while (i < res_cnt) { |
| 772 | switch(resource->id) { |
| 773 | case ACPI_RSTYPE_IRQ: |
| 774 | pnp_dbg("Encode irq"); |
| 775 | pnpacpi_encode_irq(resource, |
| 776 | &res_table->irq_resource[irq]); |
| 777 | irq++; |
| 778 | break; |
| 779 | |
| 780 | case ACPI_RSTYPE_EXT_IRQ: |
| 781 | pnp_dbg("Encode ext irq"); |
| 782 | pnpacpi_encode_ext_irq(resource, |
| 783 | &res_table->irq_resource[irq]); |
| 784 | irq++; |
| 785 | break; |
| 786 | case ACPI_RSTYPE_DMA: |
| 787 | pnp_dbg("Encode dma"); |
| 788 | pnpacpi_encode_dma(resource, |
| 789 | &res_table->dma_resource[dma]); |
| 790 | dma ++; |
| 791 | break; |
| 792 | case ACPI_RSTYPE_IO: |
| 793 | pnp_dbg("Encode io"); |
| 794 | pnpacpi_encode_io(resource, |
| 795 | &res_table->port_resource[port]); |
| 796 | port ++; |
| 797 | break; |
| 798 | case ACPI_RSTYPE_FIXED_IO: |
| 799 | pnp_dbg("Encode fixed io"); |
| 800 | pnpacpi_encode_fixed_io(resource, |
| 801 | &res_table->port_resource[port]); |
| 802 | port ++; |
| 803 | break; |
| 804 | case ACPI_RSTYPE_MEM24: |
| 805 | pnp_dbg("Encode mem24"); |
| 806 | pnpacpi_encode_mem24(resource, |
| 807 | &res_table->mem_resource[mem]); |
| 808 | mem ++; |
| 809 | break; |
| 810 | case ACPI_RSTYPE_MEM32: |
| 811 | pnp_dbg("Encode mem32"); |
| 812 | pnpacpi_encode_mem32(resource, |
| 813 | &res_table->mem_resource[mem]); |
| 814 | mem ++; |
| 815 | break; |
| 816 | case ACPI_RSTYPE_FIXED_MEM32: |
| 817 | pnp_dbg("Encode fixed mem32"); |
| 818 | pnpacpi_encode_fixed_mem32(resource, |
| 819 | &res_table->mem_resource[mem]); |
| 820 | mem ++; |
| 821 | break; |
| 822 | default: /* other type */ |
| 823 | pnp_warn("unknown resource type %d", resource->id); |
| 824 | return -EINVAL; |
| 825 | } |
| 826 | resource ++; |
| 827 | i ++; |
| 828 | } |
| 829 | return 0; |
| 830 | } |