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PNP: make generic pnp_add_io_resource()
[deliverable/linux.git] / drivers / pnp / pnpacpi / rsparser.c
CommitLineData
1da177e4
LT		 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>
50eca3eb 6 *
1da177e4
LT		 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>
02d83b5d
BH		 24#include <linux/pnp.h>
25#include "../base.h"
1da177e4
LT		 26#include "pnpacpi.h"
27
28#ifdef CONFIG_IA64
29#define valid_IRQ(i) (1)
30#else
31#define valid_IRQ(i) (((i) != 0) && ((i) != 2))
32#endif
33
34/*
35 * Allocated Resources
36 */
cd7ec927 37static int irq_flags(int triggering, int polarity, int shareable)
1da177e4 38{
cd7ec927
BH		 39 int flags;
40
50eca3eb 41 if (triggering == ACPI_LEVEL_SENSITIVE) {
1c6e7d0a 42 if (polarity == ACPI_ACTIVE_LOW)
cd7ec927 43 flags = IORESOURCE_IRQ_LOWLEVEL;
1da177e4 44 else
cd7ec927 45 flags = IORESOURCE_IRQ_HIGHLEVEL;
9dd78466 46 } else {
1c6e7d0a 47 if (polarity == ACPI_ACTIVE_LOW)
cd7ec927 48 flags = IORESOURCE_IRQ_LOWEDGE;
1da177e4 49 else
cd7ec927 50 flags = IORESOURCE_IRQ_HIGHEDGE;
1da177e4 51 }
cd7ec927
BH		 52
53 if (shareable)
54 flags |= IORESOURCE_IRQ_SHAREABLE;
55
56 return flags;
1da177e4
LT		 57}
58
50eca3eb 59static void decode_irq_flags(int flag, int *triggering, int *polarity)
1da177e4
LT		 60{
61 switch (flag) {
62 case IORESOURCE_IRQ_LOWLEVEL:
50eca3eb
BM		 63 *triggering = ACPI_LEVEL_SENSITIVE;
64 *polarity = ACPI_ACTIVE_LOW;
1da177e4 65 break;
1c6e7d0a 66 case IORESOURCE_IRQ_HIGHLEVEL:
50eca3eb
BM		 67 *triggering = ACPI_LEVEL_SENSITIVE;
68 *polarity = ACPI_ACTIVE_HIGH;
1da177e4
LT		 69 break;
70 case IORESOURCE_IRQ_LOWEDGE:
50eca3eb
BM		 71 *triggering = ACPI_EDGE_SENSITIVE;
72 *polarity = ACPI_ACTIVE_LOW;
1da177e4
LT		 73 break;
74 case IORESOURCE_IRQ_HIGHEDGE:
50eca3eb
BM		 75 *triggering = ACPI_EDGE_SENSITIVE;
76 *polarity = ACPI_ACTIVE_HIGH;
1da177e4
LT		 77 break;
78 }
79}
80
4ab55d8d 81static void pnpacpi_parse_allocated_irqresource(struct pnp_dev *dev,
07d4e9af
BH		 82 u32 gsi, int triggering,
83 int polarity, int shareable)
1da177e4 84{
dbddd038 85 int irq, flags;
61fd47e0 86 int p, t;
dbed12da
BH		 87
88 if (!valid_IRQ(gsi))
89 return;
90
61fd47e0
SL		 91 /*
92 * in IO-APIC mode, use overrided attribute. Two reasons:
93 * 1. BIOS bug in DSDT
94 * 2. BIOS uses IO-APIC mode Interrupt Source Override
95 */
96 if (!acpi_get_override_irq(gsi, &t, &p)) {
97 t = t ? ACPI_LEVEL_SENSITIVE : ACPI_EDGE_SENSITIVE;
98 p = p ? ACPI_ACTIVE_LOW : ACPI_ACTIVE_HIGH;
99
100 if (triggering != t || polarity != p) {
af11cb2d 101 dev_warn(&dev->dev, "IRQ %d override to %s, %s\n",
61fd47e0
SL		 102 gsi, t ? "edge":"level", p ? "low":"high");
103 triggering = t;
104 polarity = p;
105 }
106 }
107
dbddd038 108 flags = irq_flags(triggering, polarity, shareable);
50eca3eb 109 irq = acpi_register_gsi(gsi, triggering, polarity);
dbddd038
BH		 110 if (irq >= 0)
111 pcibios_penalize_isa_irq(irq, 1);
112 else
113 flags |= IORESOURCE_DISABLED;
dbed12da 114
dbddd038 115 pnp_add_irq_resource(dev, irq, flags);
1da177e4
LT		 116}
117
362ea087
MK		 118static int dma_flags(int type, int bus_master, int transfer)
119{
120 int flags = 0;
121
122 if (bus_master)
123 flags |= IORESOURCE_DMA_MASTER;
124 switch (type) {
125 case ACPI_COMPATIBILITY:
126 flags |= IORESOURCE_DMA_COMPATIBLE;
127 break;
128 case ACPI_TYPE_A:
129 flags |= IORESOURCE_DMA_TYPEA;
130 break;
131 case ACPI_TYPE_B:
132 flags |= IORESOURCE_DMA_TYPEB;
133 break;
134 case ACPI_TYPE_F:
135 flags |= IORESOURCE_DMA_TYPEF;
136 break;
137 default:
138 /* Set a default value ? */
139 flags |= IORESOURCE_DMA_COMPATIBLE;
140 pnp_err("Invalid DMA type");
141 }
142 switch (transfer) {
143 case ACPI_TRANSFER_8:
144 flags |= IORESOURCE_DMA_8BIT;
145 break;
146 case ACPI_TRANSFER_8_16:
147 flags |= IORESOURCE_DMA_8AND16BIT;
148 break;
149 case ACPI_TRANSFER_16:
150 flags |= IORESOURCE_DMA_16BIT;
151 break;
152 default:
153 /* Set a default value ? */
154 flags |= IORESOURCE_DMA_8AND16BIT;
155 pnp_err("Invalid DMA transfer type");
156 }
157
158 return flags;
159}
160
cc8c2e30
BH		 161static void pnpacpi_parse_allocated_ioresource(struct pnp_dev *dev, u64 start,
162 u64 len, int io_decode)
1da177e4 163{
cc8c2e30
BH		 164 int flags = 0;
165 u64 end = start + len - 1;
07d4e9af 166
cc8c2e30
BH		 167 if (io_decode == ACPI_DECODE_16)
168 flags |= PNP_PORT_FLAG_16BITADDR;
169 if (len == 0 || end >= 0x10003)
170 flags |= IORESOURCE_DISABLED;
171
172 pnp_add_io_resource(dev, start, end, flags);
1da177e4
LT		 173}
174
4ab55d8d 175static void pnpacpi_parse_allocated_memresource(struct pnp_dev *dev,
07d4e9af
BH		 176 u64 mem, u64 len,
177 int write_protect)
1da177e4 178{
06cb58a6
BH		 179 struct resource *res;
180 int i;
66a21736 181 static unsigned char warned;
07d4e9af 182
06cb58a6
BH		 183 for (i = 0; i < PNP_MAX_MEM; i++) {
184 res = pnp_get_resource(dev, IORESOURCE_MEM, i);
185 if (!pnp_resource_valid(res))
186 break;
187 }
1da177e4 188 if (i < PNP_MAX_MEM) {
06cb58a6 189 res->flags = IORESOURCE_MEM; // Also clears _UNSET flag
1da177e4 190 if (len <= 0) {
06cb58a6 191 res->flags |= IORESOURCE_DISABLED;
1da177e4
LT		 192 return;
193 }
9dd78466 194 if (write_protect == ACPI_READ_WRITE_MEMORY)
06cb58a6 195 res->flags |= IORESOURCE_MEM_WRITEABLE;
362ea087 196
06cb58a6
BH		 197 res->start = mem;
198 res->end = mem + len - 1;
66a21736 199 } else if (!warned) {
33fd7afd 200 printk(KERN_WARNING "pnpacpi: exceeded the max number of mem "
a7839e96 201 "resources: %d\n", PNP_MAX_MEM);
efe7cf2d 202 warned = 1;
1da177e4
LT		 203 }
204}
205
4ab55d8d 206static void pnpacpi_parse_allocated_address_space(struct pnp_dev *dev,
07d4e9af 207 struct acpi_resource *res)
1acfb7f2
BH		 208{
209 struct acpi_resource_address64 addr, *p = &addr;
210 acpi_status status;
211
212 status = acpi_resource_to_address64(res, p);
213 if (!ACPI_SUCCESS(status)) {
af11cb2d 214 dev_warn(&dev->dev, "failed to convert resource type %d\n",
9dd78466 215 res->type);
1acfb7f2
BH		 216 return;
217 }
218
2b8de5f5 219 if (p->producer_consumer == ACPI_PRODUCER)
220 return;
221
1acfb7f2 222 if (p->resource_type == ACPI_MEMORY_RANGE)
4ab55d8d 223 pnpacpi_parse_allocated_memresource(dev,
07d4e9af
BH		 224 p->minimum, p->address_length,
225 p->info.mem.write_protect);
1acfb7f2 226 else if (p->resource_type == ACPI_IO_RANGE)
4ab55d8d 227 pnpacpi_parse_allocated_ioresource(dev,
07d4e9af
BH		 228 p->minimum, p->address_length,
229 p->granularity == 0xfff ? ACPI_DECODE_10 :
230 ACPI_DECODE_16);
1acfb7f2 231}
1da177e4
LT		 232
233static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
9dd78466 234 void *data)
1da177e4 235{
4ab55d8d 236 struct pnp_dev *dev = data;
9570a20e
BH		 237 struct acpi_resource_irq *irq;
238 struct acpi_resource_dma *dma;
239 struct acpi_resource_io *io;
240 struct acpi_resource_fixed_io *fixed_io;
241 struct acpi_resource_memory24 *memory24;
242 struct acpi_resource_memory32 *memory32;
243 struct acpi_resource_fixed_memory32 *fixed_memory32;
244 struct acpi_resource_extended_irq *extended_irq;
dc16f5f2 245 int i, flags;
1da177e4 246
eca008c8 247 switch (res->type) {
50eca3eb 248 case ACPI_RESOURCE_TYPE_IRQ:
dbed12da
BH		 249 /*
250 * Per spec, only one interrupt per descriptor is allowed in
251 * _CRS, but some firmware violates this, so parse them all.
252 */
9570a20e
BH		 253 irq = &res->data.irq;
254 for (i = 0; i < irq->interrupt_count; i++) {
4ab55d8d 255 pnpacpi_parse_allocated_irqresource(dev,
9570a20e
BH		 256 irq->interrupts[i],
257 irq->triggering,
258 irq->polarity,
259 irq->sharable);
1da177e4
LT		 260 }
261 break;
262
50eca3eb 263 case ACPI_RESOURCE_TYPE_DMA:
9570a20e 264 dma = &res->data.dma;
dc16f5f2
BH		 265 if (dma->channel_count > 0) {
266 flags = dma_flags(dma->type, dma->bus_master,
267 dma->transfer);
268 if (dma->channels[0] == (u8) -1)
269 flags |= IORESOURCE_DISABLED;
270 pnp_add_dma_resource(dev, dma->channels[0], flags);
271 }
1da177e4 272 break;
0af5853b 273
50eca3eb 274 case ACPI_RESOURCE_TYPE_IO:
9570a20e 275 io = &res->data.io;
4ab55d8d 276 pnpacpi_parse_allocated_ioresource(dev,
9570a20e
BH		 277 io->minimum,
278 io->address_length,
279 io->io_decode);
1da177e4 280 break;
0af5853b
LB		 281
282 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
283 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
284 break;
285
50eca3eb 286 case ACPI_RESOURCE_TYPE_FIXED_IO:
9570a20e 287 fixed_io = &res->data.fixed_io;
4ab55d8d 288 pnpacpi_parse_allocated_ioresource(dev,
9570a20e
BH		 289 fixed_io->address,
290 fixed_io->address_length,
07d4e9af 291 ACPI_DECODE_10);
1da177e4 292 break;
0af5853b
LB		 293
294 case ACPI_RESOURCE_TYPE_VENDOR:
295 break;
296
297 case ACPI_RESOURCE_TYPE_END_TAG:
298 break;
299
50eca3eb 300 case ACPI_RESOURCE_TYPE_MEMORY24:
9570a20e 301 memory24 = &res->data.memory24;
4ab55d8d 302 pnpacpi_parse_allocated_memresource(dev,
9570a20e
BH		 303 memory24->minimum,
304 memory24->address_length,
305 memory24->write_protect);
1da177e4 306 break;
50eca3eb 307 case ACPI_RESOURCE_TYPE_MEMORY32:
9570a20e 308 memory32 = &res->data.memory32;
4ab55d8d 309 pnpacpi_parse_allocated_memresource(dev,
9570a20e
BH		 310 memory32->minimum,
311 memory32->address_length,
312 memory32->write_protect);
1da177e4 313 break;
50eca3eb 314 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
9570a20e 315 fixed_memory32 = &res->data.fixed_memory32;
4ab55d8d 316 pnpacpi_parse_allocated_memresource(dev,
9570a20e
BH		 317 fixed_memory32->address,
318 fixed_memory32->address_length,
319 fixed_memory32->write_protect);
1da177e4 320 break;
50eca3eb 321 case ACPI_RESOURCE_TYPE_ADDRESS16:
50eca3eb 322 case ACPI_RESOURCE_TYPE_ADDRESS32:
50eca3eb 323 case ACPI_RESOURCE_TYPE_ADDRESS64:
4ab55d8d 324 pnpacpi_parse_allocated_address_space(dev, res);
1da177e4 325 break;
0af5853b
LB		 326
327 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
2b8de5f5 328 if (res->data.ext_address64.producer_consumer == ACPI_PRODUCER)
329 return AE_OK;
0af5853b
LB		 330 break;
331
332 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
9570a20e
BH		 333 extended_irq = &res->data.extended_irq;
334 if (extended_irq->producer_consumer == ACPI_PRODUCER)
2b8de5f5 335 return AE_OK;
336
9570a20e 337 for (i = 0; i < extended_irq->interrupt_count; i++) {
4ab55d8d 338 pnpacpi_parse_allocated_irqresource(dev,
9570a20e
BH		 339 extended_irq->interrupts[i],
340 extended_irq->triggering,
341 extended_irq->polarity,
342 extended_irq->sharable);
0af5853b
LB		 343 }
344 break;
345
346 case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
1da177e4 347 break;
0af5853b 348
1da177e4 349 default:
af11cb2d
BH		 350 dev_warn(&dev->dev, "unknown resource type %d in _CRS\n",
351 res->type);
1da177e4
LT		 352 return AE_ERROR;
353 }
1c6e7d0a 354
1da177e4
LT		 355 return AE_OK;
356}
357
4ab55d8d 358acpi_status pnpacpi_parse_allocated_resource(struct pnp_dev *dev)
1da177e4 359{
4ab55d8d
BH		 360 acpi_handle handle = dev->data;
361
72dcc883
BH		 362 dev_dbg(&dev->dev, "parse allocated resources\n");
363
f4490002 364 pnp_init_resources(dev);
1da177e4 365
9dd78466 366 return acpi_walk_resources(handle, METHOD_NAME__CRS,
4ab55d8d 367 pnpacpi_allocated_resource, dev);
1da177e4
LT		 368}
369
c1caf06c
BH		 370static __init void pnpacpi_parse_dma_option(struct pnp_dev *dev,
371 struct pnp_option *option,
2bb9a6b3 372 struct acpi_resource_dma *p)
1da177e4
LT		 373{
374 int i;
9dd78466 375 struct pnp_dma *dma;
1da177e4 376
50eca3eb 377 if (p->channel_count == 0)
1da177e4 378 return;
cd861280 379 dma = kzalloc(sizeof(struct pnp_dma), GFP_KERNEL);
1da177e4
LT		 380 if (!dma)
381 return;
382
9dd78466 383 for (i = 0; i < p->channel_count; i++)
1da177e4 384 dma->map |= 1 << p->channels[i];
362ea087
MK		 385
386 dma->flags = dma_flags(p->type, p->bus_master, p->transfer);
1da177e4 387
c1caf06c 388 pnp_register_dma_resource(dev, option, dma);
1da177e4
LT		 389}
390
c1caf06c
BH		 391static __init void pnpacpi_parse_irq_option(struct pnp_dev *dev,
392 struct pnp_option *option,
2bb9a6b3 393 struct acpi_resource_irq *p)
1da177e4
LT		 394{
395 int i;
1c6e7d0a
BH		 396 struct pnp_irq *irq;
397
50eca3eb 398 if (p->interrupt_count == 0)
1da177e4 399 return;
cd861280 400 irq = kzalloc(sizeof(struct pnp_irq), GFP_KERNEL);
1da177e4
LT		 401 if (!irq)
402 return;
403
9dd78466 404 for (i = 0; i < p->interrupt_count; i++)
1da177e4
LT		 405 if (p->interrupts[i])
406 __set_bit(p->interrupts[i], irq->map);
cd7ec927 407 irq->flags = irq_flags(p->triggering, p->polarity, p->sharable);
1da177e4 408
c1caf06c 409 pnp_register_irq_resource(dev, option, irq);
1da177e4
LT		 410}
411
c1caf06c
BH		 412static __init void pnpacpi_parse_ext_irq_option(struct pnp_dev *dev,
413 struct pnp_option *option,
2bb9a6b3 414 struct acpi_resource_extended_irq *p)
1da177e4
LT		 415{
416 int i;
1c6e7d0a 417 struct pnp_irq *irq;
1da177e4 418
50eca3eb 419 if (p->interrupt_count == 0)
1da177e4 420 return;
cd861280 421 irq = kzalloc(sizeof(struct pnp_irq), GFP_KERNEL);
1da177e4
LT		 422 if (!irq)
423 return;
424
9dd78466 425 for (i = 0; i < p->interrupt_count; i++)
1da177e4
LT		 426 if (p->interrupts[i])
427 __set_bit(p->interrupts[i], irq->map);
cd7ec927 428 irq->flags = irq_flags(p->triggering, p->polarity, p->sharable);
1da177e4 429
c1caf06c 430 pnp_register_irq_resource(dev, option, irq);
1da177e4
LT		 431}
432
c1caf06c
BH		 433static __init void pnpacpi_parse_port_option(struct pnp_dev *dev,
434 struct pnp_option *option,
2bb9a6b3 435 struct acpi_resource_io *io)
1da177e4 436{
1c6e7d0a 437 struct pnp_port *port;
1da177e4 438
50eca3eb 439 if (io->address_length == 0)
1da177e4 440 return;
cd861280 441 port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL);
1da177e4
LT		 442 if (!port)
443 return;
50eca3eb
BM		 444 port->min = io->minimum;
445 port->max = io->maximum;
1da177e4 446 port->align = io->alignment;
50eca3eb
BM		 447 port->size = io->address_length;
448 port->flags = ACPI_DECODE_16 == io->io_decode ?
9dd78466 449 PNP_PORT_FLAG_16BITADDR : 0;
c1caf06c 450 pnp_register_port_resource(dev, option, port);
1da177e4
LT		 451}
452
c1caf06c
BH		 453static __init void pnpacpi_parse_fixed_port_option(struct pnp_dev *dev,
454 struct pnp_option *option,
2bb9a6b3 455 struct acpi_resource_fixed_io *io)
1da177e4 456{
1c6e7d0a 457 struct pnp_port *port;
1da177e4 458
50eca3eb 459 if (io->address_length == 0)
1da177e4 460 return;
cd861280 461 port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL);
1da177e4
LT		 462 if (!port)
463 return;
50eca3eb
BM		 464 port->min = port->max = io->address;
465 port->size = io->address_length;
1da177e4
LT		 466 port->align = 0;
467 port->flags = PNP_PORT_FLAG_FIXED;
c1caf06c 468 pnp_register_port_resource(dev, option, port);
1da177e4
LT		 469}
470
c1caf06c
BH		 471static __init void pnpacpi_parse_mem24_option(struct pnp_dev *dev,
472 struct pnp_option *option,
2bb9a6b3 473 struct acpi_resource_memory24 *p)
1da177e4 474{
1c6e7d0a 475 struct pnp_mem *mem;
1da177e4 476
50eca3eb 477 if (p->address_length == 0)
1da177e4 478 return;
cd861280 479 mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL);
1da177e4
LT		 480 if (!mem)
481 return;
50eca3eb
BM		 482 mem->min = p->minimum;
483 mem->max = p->maximum;
1da177e4 484 mem->align = p->alignment;
50eca3eb 485 mem->size = p->address_length;
1da177e4 486
0897831b 487 mem->flags = (ACPI_READ_WRITE_MEMORY == p->write_protect) ?
9dd78466 488 IORESOURCE_MEM_WRITEABLE : 0;
1da177e4 489
c1caf06c 490 pnp_register_mem_resource(dev, option, mem);
1da177e4
LT		 491}
492
c1caf06c
BH		 493static __init void pnpacpi_parse_mem32_option(struct pnp_dev *dev,
494 struct pnp_option *option,
2bb9a6b3 495 struct acpi_resource_memory32 *p)
1da177e4 496{
1c6e7d0a 497 struct pnp_mem *mem;
1da177e4 498
50eca3eb 499 if (p->address_length == 0)
1da177e4 500 return;
cd861280 501 mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL);
1da177e4
LT		 502 if (!mem)
503 return;
50eca3eb
BM		 504 mem->min = p->minimum;
505 mem->max = p->maximum;
1da177e4 506 mem->align = p->alignment;
50eca3eb 507 mem->size = p->address_length;
1da177e4 508
0897831b 509 mem->flags = (ACPI_READ_WRITE_MEMORY == p->write_protect) ?
9dd78466 510 IORESOURCE_MEM_WRITEABLE : 0;
1da177e4 511
c1caf06c 512 pnp_register_mem_resource(dev, option, mem);
1da177e4
LT		 513}
514
c1caf06c
BH		 515static __init void pnpacpi_parse_fixed_mem32_option(struct pnp_dev *dev,
516 struct pnp_option *option,
2bb9a6b3 517 struct acpi_resource_fixed_memory32 *p)
1da177e4 518{
1c6e7d0a 519 struct pnp_mem *mem;
1da177e4 520
50eca3eb 521 if (p->address_length == 0)
1da177e4 522 return;
cd861280 523 mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL);
1da177e4
LT		 524 if (!mem)
525 return;
50eca3eb
BM		 526 mem->min = mem->max = p->address;
527 mem->size = p->address_length;
1da177e4
LT		 528 mem->align = 0;
529
0897831b 530 mem->flags = (ACPI_READ_WRITE_MEMORY == p->write_protect) ?
9dd78466 531 IORESOURCE_MEM_WRITEABLE : 0;
1da177e4 532
c1caf06c 533 pnp_register_mem_resource(dev, option, mem);
1da177e4
LT		 534}
535
c1caf06c
BH		 536static __init void pnpacpi_parse_address_option(struct pnp_dev *dev,
537 struct pnp_option *option,
2bb9a6b3 538 struct acpi_resource *r)
6f957eaf
BH		 539{
540 struct acpi_resource_address64 addr, *p = &addr;
541 acpi_status status;
1c6e7d0a
BH		 542 struct pnp_mem *mem;
543 struct pnp_port *port;
6f957eaf
BH		 544
545 status = acpi_resource_to_address64(r, p);
546 if (!ACPI_SUCCESS(status)) {
9dd78466
BH		 547 pnp_warn("PnPACPI: failed to convert resource type %d",
548 r->type);
6f957eaf
BH		 549 return;
550 }
551
552 if (p->address_length == 0)
553 return;
554
555 if (p->resource_type == ACPI_MEMORY_RANGE) {
cd861280 556 mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL);
6f957eaf
BH		 557 if (!mem)
558 return;
ed03f430 559 mem->min = mem->max = p->minimum;
6f957eaf
BH		 560 mem->size = p->address_length;
561 mem->align = 0;
ed03f430 562 mem->flags = (p->info.mem.write_protect ==
9dd78466
BH		 563 ACPI_READ_WRITE_MEMORY) ? IORESOURCE_MEM_WRITEABLE
564 : 0;
c1caf06c 565 pnp_register_mem_resource(dev, option, mem);
6f957eaf 566 } else if (p->resource_type == ACPI_IO_RANGE) {
cd861280 567 port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL);
6f957eaf
BH		 568 if (!port)
569 return;
ed03f430 570 port->min = port->max = p->minimum;
6f957eaf
BH		 571 port->size = p->address_length;
572 port->align = 0;
573 port->flags = PNP_PORT_FLAG_FIXED;
c1caf06c 574 pnp_register_port_resource(dev, option, port);
6f957eaf
BH		 575 }
576}
577
1da177e4
LT		 578struct acpipnp_parse_option_s {
579 struct pnp_option *option;
b008b8d7 580 struct pnp_option *option_independent;
1da177e4
LT		 581 struct pnp_dev *dev;
582};
583
2bb9a6b3
TR		 584static __init acpi_status pnpacpi_option_resource(struct acpi_resource *res,
585 void *data)
1da177e4
LT		 586{
587 int priority = 0;
4721a4cc 588 struct acpipnp_parse_option_s *parse_data = data;
1da177e4
LT		 589 struct pnp_dev *dev = parse_data->dev;
590 struct pnp_option *option = parse_data->option;
591
eca008c8 592 switch (res->type) {
9dd78466 593 case ACPI_RESOURCE_TYPE_IRQ:
c1caf06c 594 pnpacpi_parse_irq_option(dev, option, &res->data.irq);
9dd78466 595 break;
0af5853b 596
9dd78466 597 case ACPI_RESOURCE_TYPE_DMA:
c1caf06c 598 pnpacpi_parse_dma_option(dev, option, &res->data.dma);
9dd78466 599 break;
0af5853b 600
9dd78466
BH		 601 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
602 switch (res->data.start_dpf.compatibility_priority) {
603 case ACPI_GOOD_CONFIGURATION:
604 priority = PNP_RES_PRIORITY_PREFERRED;
1da177e4 605 break;
0af5853b 606
9dd78466
BH		 607 case ACPI_ACCEPTABLE_CONFIGURATION:
608 priority = PNP_RES_PRIORITY_ACCEPTABLE;
b008b8d7 609 break;
0af5853b 610
9dd78466
BH		 611 case ACPI_SUB_OPTIMAL_CONFIGURATION:
612 priority = PNP_RES_PRIORITY_FUNCTIONAL;
0af5853b 613 break;
9dd78466
BH		 614 default:
615 priority = PNP_RES_PRIORITY_INVALID;
0af5853b 616 break;
9dd78466 617 }
07d4e9af 618 /* TBD: Consider performance/robustness bits */
9dd78466
BH		 619 option = pnp_register_dependent_option(dev, priority);
620 if (!option)
621 return AE_ERROR;
622 parse_data->option = option;
623 break;
0af5853b 624
9dd78466
BH		 625 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
626 /*only one EndDependentFn is allowed */
627 if (!parse_data->option_independent) {
af11cb2d
BH		 628 dev_warn(&dev->dev, "more than one EndDependentFn "
629 "in _PRS\n");
9dd78466
BH		 630 return AE_ERROR;
631 }
632 parse_data->option = parse_data->option_independent;
633 parse_data->option_independent = NULL;
c1caf06c 634 dev_dbg(&dev->dev, "end dependent options\n");
9dd78466 635 break;
0af5853b 636
9dd78466 637 case ACPI_RESOURCE_TYPE_IO:
c1caf06c 638 pnpacpi_parse_port_option(dev, option, &res->data.io);
9dd78466 639 break;
0af5853b 640
9dd78466 641 case ACPI_RESOURCE_TYPE_FIXED_IO:
c1caf06c
BH		 642 pnpacpi_parse_fixed_port_option(dev, option,
643 &res->data.fixed_io);
9dd78466 644 break;
0af5853b 645
9dd78466
BH		 646 case ACPI_RESOURCE_TYPE_VENDOR:
647 case ACPI_RESOURCE_TYPE_END_TAG:
648 break;
0af5853b 649
9dd78466 650 case ACPI_RESOURCE_TYPE_MEMORY24:
c1caf06c 651 pnpacpi_parse_mem24_option(dev, option, &res->data.memory24);
9dd78466 652 break;
0af5853b 653
9dd78466 654 case ACPI_RESOURCE_TYPE_MEMORY32:
c1caf06c 655 pnpacpi_parse_mem32_option(dev, option, &res->data.memory32);
9dd78466 656 break;
0af5853b 657
9dd78466 658 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
c1caf06c 659 pnpacpi_parse_fixed_mem32_option(dev, option,
9dd78466
BH		 660 &res->data.fixed_memory32);
661 break;
0af5853b 662
9dd78466
BH		 663 case ACPI_RESOURCE_TYPE_ADDRESS16:
664 case ACPI_RESOURCE_TYPE_ADDRESS32:
665 case ACPI_RESOURCE_TYPE_ADDRESS64:
c1caf06c 666 pnpacpi_parse_address_option(dev, option, res);
9dd78466 667 break;
0af5853b 668
9dd78466
BH		 669 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
670 break;
671
672 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
c1caf06c
BH		 673 pnpacpi_parse_ext_irq_option(dev, option,
674 &res->data.extended_irq);
9dd78466
BH		 675 break;
676
677 case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
678 break;
679
680 default:
af11cb2d
BH		 681 dev_warn(&dev->dev, "unknown resource type %d in _PRS\n",
682 res->type);
9dd78466 683 return AE_ERROR;
1da177e4 684 }
1c6e7d0a 685
1da177e4
LT		 686 return AE_OK;
687}
688
4ab55d8d 689acpi_status __init pnpacpi_parse_resource_option_data(struct pnp_dev *dev)
1da177e4 690{
4ab55d8d 691 acpi_handle handle = dev->data;
1da177e4
LT		 692 acpi_status status;
693 struct acpipnp_parse_option_s parse_data;
694
72dcc883
BH		 695 dev_dbg(&dev->dev, "parse resource options\n");
696
1da177e4
LT		 697 parse_data.option = pnp_register_independent_option(dev);
698 if (!parse_data.option)
699 return AE_ERROR;
b008b8d7 700 parse_data.option_independent = parse_data.option;
1da177e4 701 parse_data.dev = dev;
50eca3eb 702 status = acpi_walk_resources(handle, METHOD_NAME__PRS,
9dd78466 703 pnpacpi_option_resource, &parse_data);
1da177e4
LT		 704
705 return status;
706}
707
b5f2490b 708static int pnpacpi_supported_resource(struct acpi_resource *res)
1da177e4 709{
eca008c8 710 switch (res->type) {
50eca3eb 711 case ACPI_RESOURCE_TYPE_IRQ:
50eca3eb
BM		 712 case ACPI_RESOURCE_TYPE_DMA:
713 case ACPI_RESOURCE_TYPE_IO:
714 case ACPI_RESOURCE_TYPE_FIXED_IO:
715 case ACPI_RESOURCE_TYPE_MEMORY24:
716 case ACPI_RESOURCE_TYPE_MEMORY32:
717 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
50eca3eb
BM		 718 case ACPI_RESOURCE_TYPE_ADDRESS16:
719 case ACPI_RESOURCE_TYPE_ADDRESS32:
720 case ACPI_RESOURCE_TYPE_ADDRESS64:
0af5853b 721 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
b5f2490b 722 return 1;
1da177e4 723 }
b5f2490b
BH		 724 return 0;
725}
726
727/*
728 * Set resource
729 */
730static acpi_status pnpacpi_count_resources(struct acpi_resource *res,
9dd78466 731 void *data)
b5f2490b 732{
4721a4cc 733 int *res_cnt = data;
b5f2490b
BH		 734
735 if (pnpacpi_supported_resource(res))
736 (*res_cnt)++;
1da177e4
LT		 737 return AE_OK;
738}
739
1c6e7d0a 740static acpi_status pnpacpi_type_resources(struct acpi_resource *res, void *data)
1da177e4 741{
4721a4cc 742 struct acpi_resource **resource = data;
b5f2490b
BH		 743
744 if (pnpacpi_supported_resource(res)) {
eca008c8 745 (*resource)->type = res->type;
b5f2490b 746 (*resource)->length = sizeof(struct acpi_resource);
1da177e4 747 (*resource)++;
1da177e4
LT		 748 }
749
750 return AE_OK;
751}
752
cdef6254 753int pnpacpi_build_resource_template(struct pnp_dev *dev,
9dd78466 754 struct acpi_buffer *buffer)
1da177e4 755{
cdef6254 756 acpi_handle handle = dev->data;
1da177e4
LT		 757 struct acpi_resource *resource;
758 int res_cnt = 0;
759 acpi_status status;
760
50eca3eb 761 status = acpi_walk_resources(handle, METHOD_NAME__CRS,
9dd78466 762 pnpacpi_count_resources, &res_cnt);
1da177e4 763 if (ACPI_FAILURE(status)) {
af11cb2d 764 dev_err(&dev->dev, "can't evaluate _CRS\n");
1da177e4
LT		 765 return -EINVAL;
766 }
767 if (!res_cnt)
768 return -EINVAL;
769 buffer->length = sizeof(struct acpi_resource) * (res_cnt + 1) + 1;
cd861280 770 buffer->pointer = kzalloc(buffer->length - 1, GFP_KERNEL);
1da177e4
LT		 771 if (!buffer->pointer)
772 return -ENOMEM;
72dcc883 773
1da177e4 774 resource = (struct acpi_resource *)buffer->pointer;
50eca3eb 775 status = acpi_walk_resources(handle, METHOD_NAME__CRS,
9dd78466 776 pnpacpi_type_resources, &resource);
1da177e4
LT		 777 if (ACPI_FAILURE(status)) {
778 kfree(buffer->pointer);
af11cb2d 779 dev_err(&dev->dev, "can't evaluate _CRS\n");
1da177e4
LT		 780 return -EINVAL;
781 }
782 /* resource will pointer the end resource now */
50eca3eb 783 resource->type = ACPI_RESOURCE_TYPE_END_TAG;
1da177e4
LT		 784
785 return 0;
786}
787
72dcc883
BH		 788static void pnpacpi_encode_irq(struct pnp_dev *dev,
789 struct acpi_resource *resource,
9dd78466 790 struct resource *p)
1da177e4 791{
9570a20e 792 struct acpi_resource_irq *irq = &resource->data.irq;
50eca3eb 793 int triggering, polarity;
1c6e7d0a
BH		 794
795 decode_irq_flags(p->flags & IORESOURCE_BITS, &triggering, &polarity);
9570a20e
BH		 796 irq->triggering = triggering;
797 irq->polarity = polarity;
50eca3eb 798 if (triggering == ACPI_EDGE_SENSITIVE)
9570a20e 799 irq->sharable = ACPI_EXCLUSIVE;
1da177e4 800 else
9570a20e
BH		 801 irq->sharable = ACPI_SHARED;
802 irq->interrupt_count = 1;
803 irq->interrupts[0] = p->start;
72dcc883
BH		 804
805 dev_dbg(&dev->dev, " encode irq %d %s %s %s\n", (int) p->start,
806 triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge",
807 polarity == ACPI_ACTIVE_LOW ? "low" : "high",
808 irq->sharable == ACPI_SHARED ? "shared" : "exclusive");
1da177e4
LT		 809}
810
72dcc883
BH		 811static void pnpacpi_encode_ext_irq(struct pnp_dev *dev,
812 struct acpi_resource *resource,
9dd78466 813 struct resource *p)
1da177e4 814{
9570a20e 815 struct acpi_resource_extended_irq *extended_irq = &resource->data.extended_irq;
50eca3eb 816 int triggering, polarity;
1c6e7d0a
BH		 817
818 decode_irq_flags(p->flags & IORESOURCE_BITS, &triggering, &polarity);
9570a20e
BH		 819 extended_irq->producer_consumer = ACPI_CONSUMER;
820 extended_irq->triggering = triggering;
821 extended_irq->polarity = polarity;
50eca3eb 822 if (triggering == ACPI_EDGE_SENSITIVE)
9570a20e 823 extended_irq->sharable = ACPI_EXCLUSIVE;
1da177e4 824 else
9570a20e
BH		 825 extended_irq->sharable = ACPI_SHARED;
826 extended_irq->interrupt_count = 1;
827 extended_irq->interrupts[0] = p->start;
72dcc883
BH		 828
829 dev_dbg(&dev->dev, " encode irq %d %s %s %s\n", (int) p->start,
830 triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge",
831 polarity == ACPI_ACTIVE_LOW ? "low" : "high",
832 extended_irq->sharable == ACPI_SHARED ? "shared" : "exclusive");
1da177e4
LT		 833}
834
72dcc883
BH		 835static void pnpacpi_encode_dma(struct pnp_dev *dev,
836 struct acpi_resource *resource,
9dd78466 837 struct resource *p)
1da177e4 838{
9570a20e
BH		 839 struct acpi_resource_dma *dma = &resource->data.dma;
840
1da177e4 841 /* Note: pnp_assign_dma will copy pnp_dma->flags into p->flags */
ccc4c7bb 842 switch (p->flags & IORESOURCE_DMA_SPEED_MASK) {
9dd78466 843 case IORESOURCE_DMA_TYPEA:
9570a20e 844 dma->type = ACPI_TYPE_A;
9dd78466
BH		 845 break;
846 case IORESOURCE_DMA_TYPEB:
9570a20e 847 dma->type = ACPI_TYPE_B;
9dd78466
BH		 848 break;
849 case IORESOURCE_DMA_TYPEF:
9570a20e 850 dma->type = ACPI_TYPE_F;
9dd78466
BH		 851 break;
852 default:
9570a20e 853 dma->type = ACPI_COMPATIBILITY;
ccc4c7bb
VP		 854 }
855
856 switch (p->flags & IORESOURCE_DMA_TYPE_MASK) {
9dd78466 857 case IORESOURCE_DMA_8BIT:
9570a20e 858 dma->transfer = ACPI_TRANSFER_8;
9dd78466
BH		 859 break;
860 case IORESOURCE_DMA_8AND16BIT:
9570a20e 861 dma->transfer = ACPI_TRANSFER_8_16;
9dd78466
BH		 862 break;
863 default:
9570a20e 864 dma->transfer = ACPI_TRANSFER_16;
ccc4c7bb
VP		 865 }
866
9570a20e
BH		 867 dma->bus_master = !!(p->flags & IORESOURCE_DMA_MASTER);
868 dma->channel_count = 1;
869 dma->channels[0] = p->start;
72dcc883
BH		 870
871 dev_dbg(&dev->dev, " encode dma %d "
872 "type %#x transfer %#x master %d\n",
873 (int) p->start, dma->type, dma->transfer, dma->bus_master);
1da177e4
LT		 874}
875
72dcc883
BH		 876static void pnpacpi_encode_io(struct pnp_dev *dev,
877 struct acpi_resource *resource,
9dd78466 878 struct resource *p)
1da177e4 879{
9570a20e
BH		 880 struct acpi_resource_io *io = &resource->data.io;
881
1da177e4 882 /* Note: pnp_assign_port will copy pnp_port->flags into p->flags */
9570a20e 883 io->io_decode = (p->flags & PNP_PORT_FLAG_16BITADDR) ?
9dd78466 884 ACPI_DECODE_16 : ACPI_DECODE_10;
9570a20e
BH		 885 io->minimum = p->start;
886 io->maximum = p->end;
887 io->alignment = 0; /* Correct? */
888 io->address_length = p->end - p->start + 1;
72dcc883
BH		 889
890 dev_dbg(&dev->dev, " encode io %#llx-%#llx decode %#x\n",
891 (unsigned long long) p->start, (unsigned long long) p->end,
892 io->io_decode);
1da177e4
LT		 893}
894
72dcc883
BH		 895static void pnpacpi_encode_fixed_io(struct pnp_dev *dev,
896 struct acpi_resource *resource,
9dd78466 897 struct resource *p)
1da177e4 898{
9570a20e
BH		 899 struct acpi_resource_fixed_io *fixed_io = &resource->data.fixed_io;
900
901 fixed_io->address = p->start;
902 fixed_io->address_length = p->end - p->start + 1;
72dcc883
BH		 903
904 dev_dbg(&dev->dev, " encode fixed_io %#llx-%#llx\n",
905 (unsigned long long) p->start, (unsigned long long) p->end);
1da177e4
LT		 906}
907
72dcc883
BH		 908static void pnpacpi_encode_mem24(struct pnp_dev *dev,
909 struct acpi_resource *resource,
9dd78466 910 struct resource *p)
1da177e4 911{
9570a20e
BH		 912 struct acpi_resource_memory24 *memory24 = &resource->data.memory24;
913
1da177e4 914 /* Note: pnp_assign_mem will copy pnp_mem->flags into p->flags */
9570a20e 915 memory24->write_protect =
9dd78466
BH		 916 (p->flags & IORESOURCE_MEM_WRITEABLE) ?
917 ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
9570a20e
BH		 918 memory24->minimum = p->start;
919 memory24->maximum = p->end;
920 memory24->alignment = 0;
921 memory24->address_length = p->end - p->start + 1;
72dcc883
BH		 922
923 dev_dbg(&dev->dev, " encode mem24 %#llx-%#llx write_protect %#x\n",
924 (unsigned long long) p->start, (unsigned long long) p->end,
925 memory24->write_protect);
1da177e4
LT		 926}
927
72dcc883
BH		 928static void pnpacpi_encode_mem32(struct pnp_dev *dev,
929 struct acpi_resource *resource,
9dd78466 930 struct resource *p)
1da177e4 931{
9570a20e
BH		 932 struct acpi_resource_memory32 *memory32 = &resource->data.memory32;
933
934 memory32->write_protect =
9dd78466
BH		 935 (p->flags & IORESOURCE_MEM_WRITEABLE) ?
936 ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
9570a20e
BH		 937 memory32->minimum = p->start;
938 memory32->maximum = p->end;
939 memory32->alignment = 0;
940 memory32->address_length = p->end - p->start + 1;
72dcc883
BH		 941
942 dev_dbg(&dev->dev, " encode mem32 %#llx-%#llx write_protect %#x\n",
943 (unsigned long long) p->start, (unsigned long long) p->end,
944 memory32->write_protect);
1da177e4
LT		 945}
946
72dcc883
BH		 947static void pnpacpi_encode_fixed_mem32(struct pnp_dev *dev,
948 struct acpi_resource *resource,
9dd78466 949 struct resource *p)
1da177e4 950{
9570a20e
BH		 951 struct acpi_resource_fixed_memory32 *fixed_memory32 = &resource->data.fixed_memory32;
952
953 fixed_memory32->write_protect =
9dd78466
BH		 954 (p->flags & IORESOURCE_MEM_WRITEABLE) ?
955 ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
9570a20e
BH		 956 fixed_memory32->address = p->start;
957 fixed_memory32->address_length = p->end - p->start + 1;
72dcc883
BH		 958
959 dev_dbg(&dev->dev, " encode fixed_mem32 %#llx-%#llx "
960 "write_protect %#x\n",
961 (unsigned long long) p->start, (unsigned long long) p->end,
962 fixed_memory32->write_protect);
1da177e4
LT		 963}
964
4ab55d8d 965int pnpacpi_encode_resources(struct pnp_dev *dev, struct acpi_buffer *buffer)
1da177e4
LT		 966{
967 int i = 0;
968 /* pnpacpi_build_resource_template allocates extra mem */
9dd78466 969 int res_cnt = (buffer->length - 1) / sizeof(struct acpi_resource) - 1;
4721a4cc 970 struct acpi_resource *resource = buffer->pointer;
1da177e4
LT		 971 int port = 0, irq = 0, dma = 0, mem = 0;
972
72dcc883 973 dev_dbg(&dev->dev, "encode %d resources\n", res_cnt);
1da177e4 974 while (i < res_cnt) {
9dd78466 975 switch (resource->type) {
50eca3eb 976 case ACPI_RESOURCE_TYPE_IRQ:
72dcc883 977 pnpacpi_encode_irq(dev, resource,
7e2cf31f 978 pnp_get_resource(dev, IORESOURCE_IRQ, irq));
1da177e4
LT		 979 irq++;
980 break;
981
50eca3eb 982 case ACPI_RESOURCE_TYPE_DMA:
72dcc883 983 pnpacpi_encode_dma(dev, resource,
7e2cf31f 984 pnp_get_resource(dev, IORESOURCE_DMA, dma));
1c6e7d0a 985 dma++;
1da177e4 986 break;
50eca3eb 987 case ACPI_RESOURCE_TYPE_IO:
72dcc883 988 pnpacpi_encode_io(dev, resource,
7e2cf31f 989 pnp_get_resource(dev, IORESOURCE_IO, port));
1c6e7d0a 990 port++;
1da177e4 991 break;
50eca3eb 992 case ACPI_RESOURCE_TYPE_FIXED_IO:
72dcc883 993 pnpacpi_encode_fixed_io(dev, resource,
7e2cf31f 994 pnp_get_resource(dev, IORESOURCE_IO, port));
1c6e7d0a 995 port++;
1da177e4 996 break;
50eca3eb 997 case ACPI_RESOURCE_TYPE_MEMORY24:
72dcc883 998 pnpacpi_encode_mem24(dev, resource,
7e2cf31f 999 pnp_get_resource(dev, IORESOURCE_MEM, mem));
1c6e7d0a 1000 mem++;
1da177e4 1001 break;
50eca3eb 1002 case ACPI_RESOURCE_TYPE_MEMORY32:
72dcc883 1003 pnpacpi_encode_mem32(dev, resource,
7e2cf31f 1004 pnp_get_resource(dev, IORESOURCE_MEM, mem));
1c6e7d0a 1005 mem++;
1da177e4 1006 break;
50eca3eb 1007 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
72dcc883 1008 pnpacpi_encode_fixed_mem32(dev, resource,
7e2cf31f 1009 pnp_get_resource(dev, IORESOURCE_MEM, mem));
1c6e7d0a 1010 mem++;
1da177e4 1011 break;
0af5853b 1012 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
72dcc883 1013 pnpacpi_encode_ext_irq(dev, resource,
7e2cf31f 1014 pnp_get_resource(dev, IORESOURCE_IRQ, irq));
0af5853b
LB		 1015 irq++;
1016 break;
1017 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
1018 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
1019 case ACPI_RESOURCE_TYPE_VENDOR:
1020 case ACPI_RESOURCE_TYPE_END_TAG:
1021 case ACPI_RESOURCE_TYPE_ADDRESS16:
1022 case ACPI_RESOURCE_TYPE_ADDRESS32:
1023 case ACPI_RESOURCE_TYPE_ADDRESS64:
1024 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
1025 case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
9dd78466 1026 default: /* other type */
af11cb2d
BH		 1027 dev_warn(&dev->dev, "can't encode unknown resource "
1028 "type %d\n", resource->type);
1da177e4
LT		 1029 return -EINVAL;
1030 }
1c6e7d0a
BH		 1031 resource++;
1032 i++;
1da177e4
LT		 1033 }
1034 return 0;
1035}
Linux kernel - Deliverables
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