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pnpacpi: fix shareable IRQ encode/decode
[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 52
a993273b 53 if (shareable == ACPI_SHARED)
cd7ec927
BH		 54 flags |= IORESOURCE_IRQ_SHAREABLE;
55
56 return flags;
1da177e4
LT		 57}
58
e9fe9e18 59static void decode_irq_flags(struct pnp_dev *dev, int flags, int *triggering,
a993273b 60 int *polarity, int *shareable)
1da177e4 61{
e9fe9e18
BH		 62 switch (flags & (IORESOURCE_IRQ_LOWLEVEL | IORESOURCE_IRQ_HIGHLEVEL |
63 IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE)) {
1da177e4 64 case IORESOURCE_IRQ_LOWLEVEL:
50eca3eb
BM		 65 *triggering = ACPI_LEVEL_SENSITIVE;
66 *polarity = ACPI_ACTIVE_LOW;
1da177e4 67 break;
1c6e7d0a 68 case IORESOURCE_IRQ_HIGHLEVEL:
50eca3eb
BM		 69 *triggering = ACPI_LEVEL_SENSITIVE;
70 *polarity = ACPI_ACTIVE_HIGH;
1da177e4
LT		 71 break;
72 case IORESOURCE_IRQ_LOWEDGE:
50eca3eb
BM		 73 *triggering = ACPI_EDGE_SENSITIVE;
74 *polarity = ACPI_ACTIVE_LOW;
1da177e4
LT		 75 break;
76 case IORESOURCE_IRQ_HIGHEDGE:
50eca3eb
BM		 77 *triggering = ACPI_EDGE_SENSITIVE;
78 *polarity = ACPI_ACTIVE_HIGH;
1da177e4 79 break;
e9fe9e18
BH		 80 default:
81 dev_err(&dev->dev, "can't encode invalid IRQ mode %#x\n",
82 flags);
83 *triggering = ACPI_EDGE_SENSITIVE;
84 *polarity = ACPI_ACTIVE_HIGH;
85 break;
1da177e4 86 }
a993273b
BH		 87
88 if (flags & IORESOURCE_IRQ_SHAREABLE)
89 *shareable = ACPI_SHARED;
90 else
91 *shareable = ACPI_EXCLUSIVE;
1da177e4
LT		 92}
93
4ab55d8d 94static void pnpacpi_parse_allocated_irqresource(struct pnp_dev *dev,
07d4e9af
BH		 95 u32 gsi, int triggering,
96 int polarity, int shareable)
1da177e4 97{
dbddd038 98 int irq, flags;
61fd47e0 99 int p, t;
dbed12da
BH		 100
101 if (!valid_IRQ(gsi))
102 return;
103
61fd47e0
SL		 104 /*
105 * in IO-APIC mode, use overrided attribute. Two reasons:
106 * 1. BIOS bug in DSDT
107 * 2. BIOS uses IO-APIC mode Interrupt Source Override
108 */
109 if (!acpi_get_override_irq(gsi, &t, &p)) {
110 t = t ? ACPI_LEVEL_SENSITIVE : ACPI_EDGE_SENSITIVE;
111 p = p ? ACPI_ACTIVE_LOW : ACPI_ACTIVE_HIGH;
112
113 if (triggering != t || polarity != p) {
af11cb2d 114 dev_warn(&dev->dev, "IRQ %d override to %s, %s\n",
61fd47e0
SL		 115 gsi, t ? "edge":"level", p ? "low":"high");
116 triggering = t;
117 polarity = p;
118 }
119 }
120
dbddd038 121 flags = irq_flags(triggering, polarity, shareable);
50eca3eb 122 irq = acpi_register_gsi(gsi, triggering, polarity);
dbddd038
BH		 123 if (irq >= 0)
124 pcibios_penalize_isa_irq(irq, 1);
125 else
126 flags |= IORESOURCE_DISABLED;
dbed12da 127
dbddd038 128 pnp_add_irq_resource(dev, irq, flags);
1da177e4
LT		 129}
130
362ea087
MK		 131static int dma_flags(int type, int bus_master, int transfer)
132{
133 int flags = 0;
134
135 if (bus_master)
136 flags |= IORESOURCE_DMA_MASTER;
137 switch (type) {
138 case ACPI_COMPATIBILITY:
139 flags |= IORESOURCE_DMA_COMPATIBLE;
140 break;
141 case ACPI_TYPE_A:
142 flags |= IORESOURCE_DMA_TYPEA;
143 break;
144 case ACPI_TYPE_B:
145 flags |= IORESOURCE_DMA_TYPEB;
146 break;
147 case ACPI_TYPE_F:
148 flags |= IORESOURCE_DMA_TYPEF;
149 break;
150 default:
151 /* Set a default value ? */
152 flags |= IORESOURCE_DMA_COMPATIBLE;
153 pnp_err("Invalid DMA type");
154 }
155 switch (transfer) {
156 case ACPI_TRANSFER_8:
157 flags |= IORESOURCE_DMA_8BIT;
158 break;
159 case ACPI_TRANSFER_8_16:
160 flags |= IORESOURCE_DMA_8AND16BIT;
161 break;
162 case ACPI_TRANSFER_16:
163 flags |= IORESOURCE_DMA_16BIT;
164 break;
165 default:
166 /* Set a default value ? */
167 flags |= IORESOURCE_DMA_8AND16BIT;
168 pnp_err("Invalid DMA transfer type");
169 }
170
171 return flags;
172}
173
cc8c2e30
BH		 174static void pnpacpi_parse_allocated_ioresource(struct pnp_dev *dev, u64 start,
175 u64 len, int io_decode)
1da177e4 176{
cc8c2e30
BH		 177 int flags = 0;
178 u64 end = start + len - 1;
07d4e9af 179
cc8c2e30
BH		 180 if (io_decode == ACPI_DECODE_16)
181 flags |= PNP_PORT_FLAG_16BITADDR;
182 if (len == 0 || end >= 0x10003)
183 flags |= IORESOURCE_DISABLED;
184
185 pnp_add_io_resource(dev, start, end, flags);
1da177e4
LT		 186}
187
4ab55d8d 188static void pnpacpi_parse_allocated_memresource(struct pnp_dev *dev,
d6180f36 189 u64 start, u64 len,
07d4e9af 190 int write_protect)
1da177e4 191{
d6180f36
BH		 192 int flags = 0;
193 u64 end = start + len - 1;
194
195 if (len == 0)
196 flags |= IORESOURCE_DISABLED;
197 if (write_protect == ACPI_READ_WRITE_MEMORY)
198 flags |= IORESOURCE_MEM_WRITEABLE;
199
200 pnp_add_mem_resource(dev, start, end, flags);
1da177e4
LT		 201}
202
4ab55d8d 203static void pnpacpi_parse_allocated_address_space(struct pnp_dev *dev,
07d4e9af 204 struct acpi_resource *res)
1acfb7f2
BH		 205{
206 struct acpi_resource_address64 addr, *p = &addr;
207 acpi_status status;
208
209 status = acpi_resource_to_address64(res, p);
210 if (!ACPI_SUCCESS(status)) {
af11cb2d 211 dev_warn(&dev->dev, "failed to convert resource type %d\n",
9dd78466 212 res->type);
1acfb7f2
BH		 213 return;
214 }
215
2b8de5f5 216 if (p->producer_consumer == ACPI_PRODUCER)
217 return;
218
1acfb7f2 219 if (p->resource_type == ACPI_MEMORY_RANGE)
4ab55d8d 220 pnpacpi_parse_allocated_memresource(dev,
07d4e9af
BH		 221 p->minimum, p->address_length,
222 p->info.mem.write_protect);
1acfb7f2 223 else if (p->resource_type == ACPI_IO_RANGE)
4ab55d8d 224 pnpacpi_parse_allocated_ioresource(dev,
07d4e9af
BH		 225 p->minimum, p->address_length,
226 p->granularity == 0xfff ? ACPI_DECODE_10 :
227 ACPI_DECODE_16);
1acfb7f2 228}
1da177e4
LT		 229
230static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
9dd78466 231 void *data)
1da177e4 232{
4ab55d8d 233 struct pnp_dev *dev = data;
9570a20e
BH		 234 struct acpi_resource_irq *irq;
235 struct acpi_resource_dma *dma;
236 struct acpi_resource_io *io;
237 struct acpi_resource_fixed_io *fixed_io;
238 struct acpi_resource_memory24 *memory24;
239 struct acpi_resource_memory32 *memory32;
240 struct acpi_resource_fixed_memory32 *fixed_memory32;
241 struct acpi_resource_extended_irq *extended_irq;
dc16f5f2 242 int i, flags;
1da177e4 243
eca008c8 244 switch (res->type) {
50eca3eb 245 case ACPI_RESOURCE_TYPE_IRQ:
dbed12da
BH		 246 /*
247 * Per spec, only one interrupt per descriptor is allowed in
248 * _CRS, but some firmware violates this, so parse them all.
249 */
9570a20e
BH		 250 irq = &res->data.irq;
251 for (i = 0; i < irq->interrupt_count; i++) {
4ab55d8d 252 pnpacpi_parse_allocated_irqresource(dev,
9570a20e
BH		 253 irq->interrupts[i],
254 irq->triggering,
255 irq->polarity,
256 irq->sharable);
1da177e4
LT		 257 }
258 break;
259
50eca3eb 260 case ACPI_RESOURCE_TYPE_DMA:
9570a20e 261 dma = &res->data.dma;
dc16f5f2
BH		 262 if (dma->channel_count > 0) {
263 flags = dma_flags(dma->type, dma->bus_master,
264 dma->transfer);
265 if (dma->channels[0] == (u8) -1)
266 flags |= IORESOURCE_DISABLED;
267 pnp_add_dma_resource(dev, dma->channels[0], flags);
268 }
1da177e4 269 break;
0af5853b 270
50eca3eb 271 case ACPI_RESOURCE_TYPE_IO:
9570a20e 272 io = &res->data.io;
4ab55d8d 273 pnpacpi_parse_allocated_ioresource(dev,
9570a20e
BH		 274 io->minimum,
275 io->address_length,
276 io->io_decode);
1da177e4 277 break;
0af5853b
LB		 278
279 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
280 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
281 break;
282
50eca3eb 283 case ACPI_RESOURCE_TYPE_FIXED_IO:
9570a20e 284 fixed_io = &res->data.fixed_io;
4ab55d8d 285 pnpacpi_parse_allocated_ioresource(dev,
9570a20e
BH		 286 fixed_io->address,
287 fixed_io->address_length,
07d4e9af 288 ACPI_DECODE_10);
1da177e4 289 break;
0af5853b
LB		 290
291 case ACPI_RESOURCE_TYPE_VENDOR:
292 break;
293
294 case ACPI_RESOURCE_TYPE_END_TAG:
295 break;
296
50eca3eb 297 case ACPI_RESOURCE_TYPE_MEMORY24:
9570a20e 298 memory24 = &res->data.memory24;
4ab55d8d 299 pnpacpi_parse_allocated_memresource(dev,
9570a20e
BH		 300 memory24->minimum,
301 memory24->address_length,
302 memory24->write_protect);
1da177e4 303 break;
50eca3eb 304 case ACPI_RESOURCE_TYPE_MEMORY32:
9570a20e 305 memory32 = &res->data.memory32;
4ab55d8d 306 pnpacpi_parse_allocated_memresource(dev,
9570a20e
BH		 307 memory32->minimum,
308 memory32->address_length,
309 memory32->write_protect);
1da177e4 310 break;
50eca3eb 311 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
9570a20e 312 fixed_memory32 = &res->data.fixed_memory32;
4ab55d8d 313 pnpacpi_parse_allocated_memresource(dev,
9570a20e
BH		 314 fixed_memory32->address,
315 fixed_memory32->address_length,
316 fixed_memory32->write_protect);
1da177e4 317 break;
50eca3eb 318 case ACPI_RESOURCE_TYPE_ADDRESS16:
50eca3eb 319 case ACPI_RESOURCE_TYPE_ADDRESS32:
50eca3eb 320 case ACPI_RESOURCE_TYPE_ADDRESS64:
4ab55d8d 321 pnpacpi_parse_allocated_address_space(dev, res);
1da177e4 322 break;
0af5853b
LB		 323
324 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
2b8de5f5 325 if (res->data.ext_address64.producer_consumer == ACPI_PRODUCER)
326 return AE_OK;
0af5853b
LB		 327 break;
328
329 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
9570a20e
BH		 330 extended_irq = &res->data.extended_irq;
331 if (extended_irq->producer_consumer == ACPI_PRODUCER)
2b8de5f5 332 return AE_OK;
333
9570a20e 334 for (i = 0; i < extended_irq->interrupt_count; i++) {
4ab55d8d 335 pnpacpi_parse_allocated_irqresource(dev,
9570a20e
BH		 336 extended_irq->interrupts[i],
337 extended_irq->triggering,
338 extended_irq->polarity,
339 extended_irq->sharable);
0af5853b
LB		 340 }
341 break;
342
343 case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
1da177e4 344 break;
0af5853b 345
1da177e4 346 default:
af11cb2d
BH		 347 dev_warn(&dev->dev, "unknown resource type %d in _CRS\n",
348 res->type);
1da177e4
LT		 349 return AE_ERROR;
350 }
1c6e7d0a 351
1da177e4
LT		 352 return AE_OK;
353}
354
d152cf5d 355int pnpacpi_parse_allocated_resource(struct pnp_dev *dev)
1da177e4 356{
4ab55d8d 357 acpi_handle handle = dev->data;
d152cf5d 358 acpi_status status;
4ab55d8d 359
72dcc883
BH		 360 dev_dbg(&dev->dev, "parse allocated resources\n");
361
f4490002 362 pnp_init_resources(dev);
1da177e4 363
d152cf5d
BH		 364 status = acpi_walk_resources(handle, METHOD_NAME__CRS,
365 pnpacpi_allocated_resource, dev);
366
367 if (ACPI_FAILURE(status)) {
368 if (status != AE_NOT_FOUND)
369 dev_err(&dev->dev, "can't evaluate _CRS: %d", status);
370 return -EPERM;
371 }
372 return 0;
1da177e4
LT		 373}
374
c1caf06c
BH		 375static __init void pnpacpi_parse_dma_option(struct pnp_dev *dev,
376 struct pnp_option *option,
2bb9a6b3 377 struct acpi_resource_dma *p)
1da177e4
LT		 378{
379 int i;
9dd78466 380 struct pnp_dma *dma;
1da177e4 381
50eca3eb 382 if (p->channel_count == 0)
1da177e4 383 return;
cd861280 384 dma = kzalloc(sizeof(struct pnp_dma), GFP_KERNEL);
1da177e4
LT		 385 if (!dma)
386 return;
387
9dd78466 388 for (i = 0; i < p->channel_count; i++)
1da177e4 389 dma->map |= 1 << p->channels[i];
362ea087
MK		 390
391 dma->flags = dma_flags(p->type, p->bus_master, p->transfer);
1da177e4 392
c1caf06c 393 pnp_register_dma_resource(dev, option, dma);
1da177e4
LT		 394}
395
c1caf06c
BH		 396static __init void pnpacpi_parse_irq_option(struct pnp_dev *dev,
397 struct pnp_option *option,
2bb9a6b3 398 struct acpi_resource_irq *p)
1da177e4
LT		 399{
400 int i;
1c6e7d0a
BH		 401 struct pnp_irq *irq;
402
50eca3eb 403 if (p->interrupt_count == 0)
1da177e4 404 return;
cd861280 405 irq = kzalloc(sizeof(struct pnp_irq), GFP_KERNEL);
1da177e4
LT		 406 if (!irq)
407 return;
408
9dd78466 409 for (i = 0; i < p->interrupt_count; i++)
1da177e4
LT		 410 if (p->interrupts[i])
411 __set_bit(p->interrupts[i], irq->map);
cd7ec927 412 irq->flags = irq_flags(p->triggering, p->polarity, p->sharable);
1da177e4 413
c1caf06c 414 pnp_register_irq_resource(dev, option, irq);
1da177e4
LT		 415}
416
c1caf06c
BH		 417static __init void pnpacpi_parse_ext_irq_option(struct pnp_dev *dev,
418 struct pnp_option *option,
2bb9a6b3 419 struct acpi_resource_extended_irq *p)
1da177e4
LT		 420{
421 int i;
1c6e7d0a 422 struct pnp_irq *irq;
1da177e4 423
50eca3eb 424 if (p->interrupt_count == 0)
1da177e4 425 return;
cd861280 426 irq = kzalloc(sizeof(struct pnp_irq), GFP_KERNEL);
1da177e4
LT		 427 if (!irq)
428 return;
429
9dd78466 430 for (i = 0; i < p->interrupt_count; i++)
1da177e4
LT		 431 if (p->interrupts[i])
432 __set_bit(p->interrupts[i], irq->map);
cd7ec927 433 irq->flags = irq_flags(p->triggering, p->polarity, p->sharable);
1da177e4 434
c1caf06c 435 pnp_register_irq_resource(dev, option, irq);
1da177e4
LT		 436}
437
c1caf06c
BH		 438static __init void pnpacpi_parse_port_option(struct pnp_dev *dev,
439 struct pnp_option *option,
2bb9a6b3 440 struct acpi_resource_io *io)
1da177e4 441{
1c6e7d0a 442 struct pnp_port *port;
1da177e4 443
50eca3eb 444 if (io->address_length == 0)
1da177e4 445 return;
cd861280 446 port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL);
1da177e4
LT		 447 if (!port)
448 return;
50eca3eb
BM		 449 port->min = io->minimum;
450 port->max = io->maximum;
1da177e4 451 port->align = io->alignment;
50eca3eb
BM		 452 port->size = io->address_length;
453 port->flags = ACPI_DECODE_16 == io->io_decode ?
9dd78466 454 PNP_PORT_FLAG_16BITADDR : 0;
c1caf06c 455 pnp_register_port_resource(dev, option, port);
1da177e4
LT		 456}
457
c1caf06c
BH		 458static __init void pnpacpi_parse_fixed_port_option(struct pnp_dev *dev,
459 struct pnp_option *option,
2bb9a6b3 460 struct acpi_resource_fixed_io *io)
1da177e4 461{
1c6e7d0a 462 struct pnp_port *port;
1da177e4 463
50eca3eb 464 if (io->address_length == 0)
1da177e4 465 return;
cd861280 466 port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL);
1da177e4
LT		 467 if (!port)
468 return;
50eca3eb
BM		 469 port->min = port->max = io->address;
470 port->size = io->address_length;
1da177e4
LT		 471 port->align = 0;
472 port->flags = PNP_PORT_FLAG_FIXED;
c1caf06c 473 pnp_register_port_resource(dev, option, port);
1da177e4
LT		 474}
475
c1caf06c
BH		 476static __init void pnpacpi_parse_mem24_option(struct pnp_dev *dev,
477 struct pnp_option *option,
2bb9a6b3 478 struct acpi_resource_memory24 *p)
1da177e4 479{
1c6e7d0a 480 struct pnp_mem *mem;
1da177e4 481
50eca3eb 482 if (p->address_length == 0)
1da177e4 483 return;
cd861280 484 mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL);
1da177e4
LT		 485 if (!mem)
486 return;
50eca3eb
BM		 487 mem->min = p->minimum;
488 mem->max = p->maximum;
1da177e4 489 mem->align = p->alignment;
50eca3eb 490 mem->size = p->address_length;
1da177e4 491
0897831b 492 mem->flags = (ACPI_READ_WRITE_MEMORY == p->write_protect) ?
9dd78466 493 IORESOURCE_MEM_WRITEABLE : 0;
1da177e4 494
c1caf06c 495 pnp_register_mem_resource(dev, option, mem);
1da177e4
LT		 496}
497
c1caf06c
BH		 498static __init void pnpacpi_parse_mem32_option(struct pnp_dev *dev,
499 struct pnp_option *option,
2bb9a6b3 500 struct acpi_resource_memory32 *p)
1da177e4 501{
1c6e7d0a 502 struct pnp_mem *mem;
1da177e4 503
50eca3eb 504 if (p->address_length == 0)
1da177e4 505 return;
cd861280 506 mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL);
1da177e4
LT		 507 if (!mem)
508 return;
50eca3eb
BM		 509 mem->min = p->minimum;
510 mem->max = p->maximum;
1da177e4 511 mem->align = p->alignment;
50eca3eb 512 mem->size = p->address_length;
1da177e4 513
0897831b 514 mem->flags = (ACPI_READ_WRITE_MEMORY == p->write_protect) ?
9dd78466 515 IORESOURCE_MEM_WRITEABLE : 0;
1da177e4 516
c1caf06c 517 pnp_register_mem_resource(dev, option, mem);
1da177e4
LT		 518}
519
c1caf06c
BH		 520static __init void pnpacpi_parse_fixed_mem32_option(struct pnp_dev *dev,
521 struct pnp_option *option,
2bb9a6b3 522 struct acpi_resource_fixed_memory32 *p)
1da177e4 523{
1c6e7d0a 524 struct pnp_mem *mem;
1da177e4 525
50eca3eb 526 if (p->address_length == 0)
1da177e4 527 return;
cd861280 528 mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL);
1da177e4
LT		 529 if (!mem)
530 return;
50eca3eb
BM		 531 mem->min = mem->max = p->address;
532 mem->size = p->address_length;
1da177e4
LT		 533 mem->align = 0;
534
0897831b 535 mem->flags = (ACPI_READ_WRITE_MEMORY == p->write_protect) ?
9dd78466 536 IORESOURCE_MEM_WRITEABLE : 0;
1da177e4 537
c1caf06c 538 pnp_register_mem_resource(dev, option, mem);
1da177e4
LT		 539}
540
c1caf06c
BH		 541static __init void pnpacpi_parse_address_option(struct pnp_dev *dev,
542 struct pnp_option *option,
2bb9a6b3 543 struct acpi_resource *r)
6f957eaf
BH		 544{
545 struct acpi_resource_address64 addr, *p = &addr;
546 acpi_status status;
1c6e7d0a
BH		 547 struct pnp_mem *mem;
548 struct pnp_port *port;
6f957eaf
BH		 549
550 status = acpi_resource_to_address64(r, p);
551 if (!ACPI_SUCCESS(status)) {
9dd78466
BH		 552 pnp_warn("PnPACPI: failed to convert resource type %d",
553 r->type);
6f957eaf
BH		 554 return;
555 }
556
557 if (p->address_length == 0)
558 return;
559
560 if (p->resource_type == ACPI_MEMORY_RANGE) {
cd861280 561 mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL);
6f957eaf
BH		 562 if (!mem)
563 return;
ed03f430 564 mem->min = mem->max = p->minimum;
6f957eaf
BH		 565 mem->size = p->address_length;
566 mem->align = 0;
ed03f430 567 mem->flags = (p->info.mem.write_protect ==
9dd78466
BH		 568 ACPI_READ_WRITE_MEMORY) ? IORESOURCE_MEM_WRITEABLE
569 : 0;
c1caf06c 570 pnp_register_mem_resource(dev, option, mem);
6f957eaf 571 } else if (p->resource_type == ACPI_IO_RANGE) {
cd861280 572 port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL);
6f957eaf
BH		 573 if (!port)
574 return;
ed03f430 575 port->min = port->max = p->minimum;
6f957eaf
BH		 576 port->size = p->address_length;
577 port->align = 0;
578 port->flags = PNP_PORT_FLAG_FIXED;
c1caf06c 579 pnp_register_port_resource(dev, option, port);
6f957eaf
BH		 580 }
581}
582
1da177e4
LT		 583struct acpipnp_parse_option_s {
584 struct pnp_option *option;
b008b8d7 585 struct pnp_option *option_independent;
1da177e4
LT		 586 struct pnp_dev *dev;
587};
588
2bb9a6b3
TR		 589static __init acpi_status pnpacpi_option_resource(struct acpi_resource *res,
590 void *data)
1da177e4
LT		 591{
592 int priority = 0;
4721a4cc 593 struct acpipnp_parse_option_s *parse_data = data;
1da177e4
LT		 594 struct pnp_dev *dev = parse_data->dev;
595 struct pnp_option *option = parse_data->option;
596
eca008c8 597 switch (res->type) {
9dd78466 598 case ACPI_RESOURCE_TYPE_IRQ:
c1caf06c 599 pnpacpi_parse_irq_option(dev, option, &res->data.irq);
9dd78466 600 break;
0af5853b 601
9dd78466 602 case ACPI_RESOURCE_TYPE_DMA:
c1caf06c 603 pnpacpi_parse_dma_option(dev, option, &res->data.dma);
9dd78466 604 break;
0af5853b 605
9dd78466
BH		 606 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
607 switch (res->data.start_dpf.compatibility_priority) {
608 case ACPI_GOOD_CONFIGURATION:
609 priority = PNP_RES_PRIORITY_PREFERRED;
1da177e4 610 break;
0af5853b 611
9dd78466
BH		 612 case ACPI_ACCEPTABLE_CONFIGURATION:
613 priority = PNP_RES_PRIORITY_ACCEPTABLE;
b008b8d7 614 break;
0af5853b 615
9dd78466
BH		 616 case ACPI_SUB_OPTIMAL_CONFIGURATION:
617 priority = PNP_RES_PRIORITY_FUNCTIONAL;
0af5853b 618 break;
9dd78466
BH		 619 default:
620 priority = PNP_RES_PRIORITY_INVALID;
0af5853b 621 break;
9dd78466 622 }
07d4e9af 623 /* TBD: Consider performance/robustness bits */
9dd78466
BH		 624 option = pnp_register_dependent_option(dev, priority);
625 if (!option)
626 return AE_ERROR;
627 parse_data->option = option;
628 break;
0af5853b 629
9dd78466
BH		 630 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
631 /*only one EndDependentFn is allowed */
632 if (!parse_data->option_independent) {
af11cb2d
BH		 633 dev_warn(&dev->dev, "more than one EndDependentFn "
634 "in _PRS\n");
9dd78466
BH		 635 return AE_ERROR;
636 }
637 parse_data->option = parse_data->option_independent;
638 parse_data->option_independent = NULL;
c1caf06c 639 dev_dbg(&dev->dev, "end dependent options\n");
9dd78466 640 break;
0af5853b 641
9dd78466 642 case ACPI_RESOURCE_TYPE_IO:
c1caf06c 643 pnpacpi_parse_port_option(dev, option, &res->data.io);
9dd78466 644 break;
0af5853b 645
9dd78466 646 case ACPI_RESOURCE_TYPE_FIXED_IO:
c1caf06c
BH		 647 pnpacpi_parse_fixed_port_option(dev, option,
648 &res->data.fixed_io);
9dd78466 649 break;
0af5853b 650
9dd78466
BH		 651 case ACPI_RESOURCE_TYPE_VENDOR:
652 case ACPI_RESOURCE_TYPE_END_TAG:
653 break;
0af5853b 654
9dd78466 655 case ACPI_RESOURCE_TYPE_MEMORY24:
c1caf06c 656 pnpacpi_parse_mem24_option(dev, option, &res->data.memory24);
9dd78466 657 break;
0af5853b 658
9dd78466 659 case ACPI_RESOURCE_TYPE_MEMORY32:
c1caf06c 660 pnpacpi_parse_mem32_option(dev, option, &res->data.memory32);
9dd78466 661 break;
0af5853b 662
9dd78466 663 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
c1caf06c 664 pnpacpi_parse_fixed_mem32_option(dev, option,
9dd78466
BH		 665 &res->data.fixed_memory32);
666 break;
0af5853b 667
9dd78466
BH		 668 case ACPI_RESOURCE_TYPE_ADDRESS16:
669 case ACPI_RESOURCE_TYPE_ADDRESS32:
670 case ACPI_RESOURCE_TYPE_ADDRESS64:
c1caf06c 671 pnpacpi_parse_address_option(dev, option, res);
9dd78466 672 break;
0af5853b 673
9dd78466
BH		 674 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
675 break;
676
677 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
c1caf06c
BH		 678 pnpacpi_parse_ext_irq_option(dev, option,
679 &res->data.extended_irq);
9dd78466
BH		 680 break;
681
682 case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
683 break;
684
685 default:
af11cb2d
BH		 686 dev_warn(&dev->dev, "unknown resource type %d in _PRS\n",
687 res->type);
9dd78466 688 return AE_ERROR;
1da177e4 689 }
1c6e7d0a 690
1da177e4
LT		 691 return AE_OK;
692}
693
d152cf5d 694int __init pnpacpi_parse_resource_option_data(struct pnp_dev *dev)
1da177e4 695{
4ab55d8d 696 acpi_handle handle = dev->data;
1da177e4
LT		 697 acpi_status status;
698 struct acpipnp_parse_option_s parse_data;
699
72dcc883
BH		 700 dev_dbg(&dev->dev, "parse resource options\n");
701
1da177e4
LT		 702 parse_data.option = pnp_register_independent_option(dev);
703 if (!parse_data.option)
d152cf5d
BH		 704 return -ENOMEM;
705
b008b8d7 706 parse_data.option_independent = parse_data.option;
1da177e4 707 parse_data.dev = dev;
50eca3eb 708 status = acpi_walk_resources(handle, METHOD_NAME__PRS,
9dd78466 709 pnpacpi_option_resource, &parse_data);
1da177e4 710
d152cf5d
BH		 711 if (ACPI_FAILURE(status)) {
712 if (status != AE_NOT_FOUND)
713 dev_err(&dev->dev, "can't evaluate _PRS: %d", status);
714 return -EPERM;
715 }
716 return 0;
1da177e4
LT		 717}
718
b5f2490b 719static int pnpacpi_supported_resource(struct acpi_resource *res)
1da177e4 720{
eca008c8 721 switch (res->type) {
50eca3eb 722 case ACPI_RESOURCE_TYPE_IRQ:
50eca3eb
BM		 723 case ACPI_RESOURCE_TYPE_DMA:
724 case ACPI_RESOURCE_TYPE_IO:
725 case ACPI_RESOURCE_TYPE_FIXED_IO:
726 case ACPI_RESOURCE_TYPE_MEMORY24:
727 case ACPI_RESOURCE_TYPE_MEMORY32:
728 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
50eca3eb
BM		 729 case ACPI_RESOURCE_TYPE_ADDRESS16:
730 case ACPI_RESOURCE_TYPE_ADDRESS32:
731 case ACPI_RESOURCE_TYPE_ADDRESS64:
0af5853b 732 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
b5f2490b 733 return 1;
1da177e4 734 }
b5f2490b
BH		 735 return 0;
736}
737
738/*
739 * Set resource
740 */
741static acpi_status pnpacpi_count_resources(struct acpi_resource *res,
9dd78466 742 void *data)
b5f2490b 743{
4721a4cc 744 int *res_cnt = data;
b5f2490b
BH		 745
746 if (pnpacpi_supported_resource(res))
747 (*res_cnt)++;
1da177e4
LT		 748 return AE_OK;
749}
750
1c6e7d0a 751static acpi_status pnpacpi_type_resources(struct acpi_resource *res, void *data)
1da177e4 752{
4721a4cc 753 struct acpi_resource **resource = data;
b5f2490b
BH		 754
755 if (pnpacpi_supported_resource(res)) {
eca008c8 756 (*resource)->type = res->type;
b5f2490b 757 (*resource)->length = sizeof(struct acpi_resource);
1da177e4 758 (*resource)++;
1da177e4
LT		 759 }
760
761 return AE_OK;
762}
763
cdef6254 764int pnpacpi_build_resource_template(struct pnp_dev *dev,
9dd78466 765 struct acpi_buffer *buffer)
1da177e4 766{
cdef6254 767 acpi_handle handle = dev->data;
1da177e4
LT		 768 struct acpi_resource *resource;
769 int res_cnt = 0;
770 acpi_status status;
771
50eca3eb 772 status = acpi_walk_resources(handle, METHOD_NAME__CRS,
9dd78466 773 pnpacpi_count_resources, &res_cnt);
1da177e4 774 if (ACPI_FAILURE(status)) {
d152cf5d 775 dev_err(&dev->dev, "can't evaluate _CRS: %d\n", status);
1da177e4
LT		 776 return -EINVAL;
777 }
778 if (!res_cnt)
779 return -EINVAL;
780 buffer->length = sizeof(struct acpi_resource) * (res_cnt + 1) + 1;
cd861280 781 buffer->pointer = kzalloc(buffer->length - 1, GFP_KERNEL);
1da177e4
LT		 782 if (!buffer->pointer)
783 return -ENOMEM;
72dcc883 784
1da177e4 785 resource = (struct acpi_resource *)buffer->pointer;
50eca3eb 786 status = acpi_walk_resources(handle, METHOD_NAME__CRS,
9dd78466 787 pnpacpi_type_resources, &resource);
1da177e4
LT		 788 if (ACPI_FAILURE(status)) {
789 kfree(buffer->pointer);
d152cf5d 790 dev_err(&dev->dev, "can't evaluate _CRS: %d\n", status);
1da177e4
LT		 791 return -EINVAL;
792 }
793 /* resource will pointer the end resource now */
50eca3eb 794 resource->type = ACPI_RESOURCE_TYPE_END_TAG;
1da177e4
LT		 795
796 return 0;
797}
798
72dcc883
BH		 799static void pnpacpi_encode_irq(struct pnp_dev *dev,
800 struct acpi_resource *resource,
9dd78466 801 struct resource *p)
1da177e4 802{
9570a20e 803 struct acpi_resource_irq *irq = &resource->data.irq;
a993273b 804 int triggering, polarity, shareable;
1c6e7d0a 805
a993273b 806 decode_irq_flags(dev, p->flags, &triggering, &polarity, &shareable);
9570a20e
BH		 807 irq->triggering = triggering;
808 irq->polarity = polarity;
a993273b 809 irq->sharable = shareable;
9570a20e
BH		 810 irq->interrupt_count = 1;
811 irq->interrupts[0] = p->start;
72dcc883
BH		 812
813 dev_dbg(&dev->dev, " encode irq %d %s %s %s\n", (int) p->start,
814 triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge",
815 polarity == ACPI_ACTIVE_LOW ? "low" : "high",
816 irq->sharable == ACPI_SHARED ? "shared" : "exclusive");
1da177e4
LT		 817}
818
72dcc883
BH		 819static void pnpacpi_encode_ext_irq(struct pnp_dev *dev,
820 struct acpi_resource *resource,
9dd78466 821 struct resource *p)
1da177e4 822{
9570a20e 823 struct acpi_resource_extended_irq *extended_irq = &resource->data.extended_irq;
a993273b 824 int triggering, polarity, shareable;
1c6e7d0a 825
a993273b 826 decode_irq_flags(dev, p->flags, &triggering, &polarity, &shareable);
9570a20e
BH		 827 extended_irq->producer_consumer = ACPI_CONSUMER;
828 extended_irq->triggering = triggering;
829 extended_irq->polarity = polarity;
a993273b 830 extended_irq->sharable = shareable;
9570a20e
BH		 831 extended_irq->interrupt_count = 1;
832 extended_irq->interrupts[0] = p->start;
72dcc883
BH		 833
834 dev_dbg(&dev->dev, " encode irq %d %s %s %s\n", (int) p->start,
835 triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge",
836 polarity == ACPI_ACTIVE_LOW ? "low" : "high",
837 extended_irq->sharable == ACPI_SHARED ? "shared" : "exclusive");
1da177e4
LT		 838}
839
72dcc883
BH		 840static void pnpacpi_encode_dma(struct pnp_dev *dev,
841 struct acpi_resource *resource,
9dd78466 842 struct resource *p)
1da177e4 843{
9570a20e
BH		 844 struct acpi_resource_dma *dma = &resource->data.dma;
845
1da177e4 846 /* Note: pnp_assign_dma will copy pnp_dma->flags into p->flags */
ccc4c7bb 847 switch (p->flags & IORESOURCE_DMA_SPEED_MASK) {
9dd78466 848 case IORESOURCE_DMA_TYPEA:
9570a20e 849 dma->type = ACPI_TYPE_A;
9dd78466
BH		 850 break;
851 case IORESOURCE_DMA_TYPEB:
9570a20e 852 dma->type = ACPI_TYPE_B;
9dd78466
BH		 853 break;
854 case IORESOURCE_DMA_TYPEF:
9570a20e 855 dma->type = ACPI_TYPE_F;
9dd78466
BH		 856 break;
857 default:
9570a20e 858 dma->type = ACPI_COMPATIBILITY;
ccc4c7bb
VP		 859 }
860
861 switch (p->flags & IORESOURCE_DMA_TYPE_MASK) {
9dd78466 862 case IORESOURCE_DMA_8BIT:
9570a20e 863 dma->transfer = ACPI_TRANSFER_8;
9dd78466
BH		 864 break;
865 case IORESOURCE_DMA_8AND16BIT:
9570a20e 866 dma->transfer = ACPI_TRANSFER_8_16;
9dd78466
BH		 867 break;
868 default:
9570a20e 869 dma->transfer = ACPI_TRANSFER_16;
ccc4c7bb
VP		 870 }
871
9570a20e
BH		 872 dma->bus_master = !!(p->flags & IORESOURCE_DMA_MASTER);
873 dma->channel_count = 1;
874 dma->channels[0] = p->start;
72dcc883
BH		 875
876 dev_dbg(&dev->dev, " encode dma %d "
877 "type %#x transfer %#x master %d\n",
878 (int) p->start, dma->type, dma->transfer, dma->bus_master);
1da177e4
LT		 879}
880
72dcc883
BH		 881static void pnpacpi_encode_io(struct pnp_dev *dev,
882 struct acpi_resource *resource,
9dd78466 883 struct resource *p)
1da177e4 884{
9570a20e
BH		 885 struct acpi_resource_io *io = &resource->data.io;
886
1da177e4 887 /* Note: pnp_assign_port will copy pnp_port->flags into p->flags */
9570a20e 888 io->io_decode = (p->flags & PNP_PORT_FLAG_16BITADDR) ?
9dd78466 889 ACPI_DECODE_16 : ACPI_DECODE_10;
9570a20e
BH		 890 io->minimum = p->start;
891 io->maximum = p->end;
892 io->alignment = 0; /* Correct? */
893 io->address_length = p->end - p->start + 1;
72dcc883
BH		 894
895 dev_dbg(&dev->dev, " encode io %#llx-%#llx decode %#x\n",
896 (unsigned long long) p->start, (unsigned long long) p->end,
897 io->io_decode);
1da177e4
LT		 898}
899
72dcc883
BH		 900static void pnpacpi_encode_fixed_io(struct pnp_dev *dev,
901 struct acpi_resource *resource,
9dd78466 902 struct resource *p)
1da177e4 903{
9570a20e
BH		 904 struct acpi_resource_fixed_io *fixed_io = &resource->data.fixed_io;
905
906 fixed_io->address = p->start;
907 fixed_io->address_length = p->end - p->start + 1;
72dcc883
BH		 908
909 dev_dbg(&dev->dev, " encode fixed_io %#llx-%#llx\n",
910 (unsigned long long) p->start, (unsigned long long) p->end);
1da177e4
LT		 911}
912
72dcc883
BH		 913static void pnpacpi_encode_mem24(struct pnp_dev *dev,
914 struct acpi_resource *resource,
9dd78466 915 struct resource *p)
1da177e4 916{
9570a20e
BH		 917 struct acpi_resource_memory24 *memory24 = &resource->data.memory24;
918
1da177e4 919 /* Note: pnp_assign_mem will copy pnp_mem->flags into p->flags */
9570a20e 920 memory24->write_protect =
9dd78466
BH		 921 (p->flags & IORESOURCE_MEM_WRITEABLE) ?
922 ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
9570a20e
BH		 923 memory24->minimum = p->start;
924 memory24->maximum = p->end;
925 memory24->alignment = 0;
926 memory24->address_length = p->end - p->start + 1;
72dcc883
BH		 927
928 dev_dbg(&dev->dev, " encode mem24 %#llx-%#llx write_protect %#x\n",
929 (unsigned long long) p->start, (unsigned long long) p->end,
930 memory24->write_protect);
1da177e4
LT		 931}
932
72dcc883
BH		 933static void pnpacpi_encode_mem32(struct pnp_dev *dev,
934 struct acpi_resource *resource,
9dd78466 935 struct resource *p)
1da177e4 936{
9570a20e
BH		 937 struct acpi_resource_memory32 *memory32 = &resource->data.memory32;
938
939 memory32->write_protect =
9dd78466
BH		 940 (p->flags & IORESOURCE_MEM_WRITEABLE) ?
941 ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
9570a20e
BH		 942 memory32->minimum = p->start;
943 memory32->maximum = p->end;
944 memory32->alignment = 0;
945 memory32->address_length = p->end - p->start + 1;
72dcc883
BH		 946
947 dev_dbg(&dev->dev, " encode mem32 %#llx-%#llx write_protect %#x\n",
948 (unsigned long long) p->start, (unsigned long long) p->end,
949 memory32->write_protect);
1da177e4
LT		 950}
951
72dcc883
BH		 952static void pnpacpi_encode_fixed_mem32(struct pnp_dev *dev,
953 struct acpi_resource *resource,
9dd78466 954 struct resource *p)
1da177e4 955{
9570a20e
BH		 956 struct acpi_resource_fixed_memory32 *fixed_memory32 = &resource->data.fixed_memory32;
957
958 fixed_memory32->write_protect =
9dd78466
BH		 959 (p->flags & IORESOURCE_MEM_WRITEABLE) ?
960 ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
9570a20e
BH		 961 fixed_memory32->address = p->start;
962 fixed_memory32->address_length = p->end - p->start + 1;
72dcc883
BH		 963
964 dev_dbg(&dev->dev, " encode fixed_mem32 %#llx-%#llx "
965 "write_protect %#x\n",
966 (unsigned long long) p->start, (unsigned long long) p->end,
967 fixed_memory32->write_protect);
1da177e4
LT		 968}
969
4ab55d8d 970int pnpacpi_encode_resources(struct pnp_dev *dev, struct acpi_buffer *buffer)
1da177e4
LT		 971{
972 int i = 0;
973 /* pnpacpi_build_resource_template allocates extra mem */
9dd78466 974 int res_cnt = (buffer->length - 1) / sizeof(struct acpi_resource) - 1;
4721a4cc 975 struct acpi_resource *resource = buffer->pointer;
1da177e4
LT		 976 int port = 0, irq = 0, dma = 0, mem = 0;
977
72dcc883 978 dev_dbg(&dev->dev, "encode %d resources\n", res_cnt);
1da177e4 979 while (i < res_cnt) {
9dd78466 980 switch (resource->type) {
50eca3eb 981 case ACPI_RESOURCE_TYPE_IRQ:
72dcc883 982 pnpacpi_encode_irq(dev, resource,
7e2cf31f 983 pnp_get_resource(dev, IORESOURCE_IRQ, irq));
1da177e4
LT		 984 irq++;
985 break;
986
50eca3eb 987 case ACPI_RESOURCE_TYPE_DMA:
72dcc883 988 pnpacpi_encode_dma(dev, resource,
7e2cf31f 989 pnp_get_resource(dev, IORESOURCE_DMA, dma));
1c6e7d0a 990 dma++;
1da177e4 991 break;
50eca3eb 992 case ACPI_RESOURCE_TYPE_IO:
72dcc883 993 pnpacpi_encode_io(dev, resource,
7e2cf31f 994 pnp_get_resource(dev, IORESOURCE_IO, port));
1c6e7d0a 995 port++;
1da177e4 996 break;
50eca3eb 997 case ACPI_RESOURCE_TYPE_FIXED_IO:
72dcc883 998 pnpacpi_encode_fixed_io(dev, resource,
7e2cf31f 999 pnp_get_resource(dev, IORESOURCE_IO, port));
1c6e7d0a 1000 port++;
1da177e4 1001 break;
50eca3eb 1002 case ACPI_RESOURCE_TYPE_MEMORY24:
72dcc883 1003 pnpacpi_encode_mem24(dev, resource,
7e2cf31f 1004 pnp_get_resource(dev, IORESOURCE_MEM, mem));
1c6e7d0a 1005 mem++;
1da177e4 1006 break;
50eca3eb 1007 case ACPI_RESOURCE_TYPE_MEMORY32:
72dcc883 1008 pnpacpi_encode_mem32(dev, resource,
7e2cf31f 1009 pnp_get_resource(dev, IORESOURCE_MEM, mem));
1c6e7d0a 1010 mem++;
1da177e4 1011 break;
50eca3eb 1012 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
72dcc883 1013 pnpacpi_encode_fixed_mem32(dev, resource,
7e2cf31f 1014 pnp_get_resource(dev, IORESOURCE_MEM, mem));
1c6e7d0a 1015 mem++;
1da177e4 1016 break;
0af5853b 1017 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
72dcc883 1018 pnpacpi_encode_ext_irq(dev, resource,
7e2cf31f 1019 pnp_get_resource(dev, IORESOURCE_IRQ, irq));
0af5853b
LB		 1020 irq++;
1021 break;
1022 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
1023 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
1024 case ACPI_RESOURCE_TYPE_VENDOR:
1025 case ACPI_RESOURCE_TYPE_END_TAG:
1026 case ACPI_RESOURCE_TYPE_ADDRESS16:
1027 case ACPI_RESOURCE_TYPE_ADDRESS32:
1028 case ACPI_RESOURCE_TYPE_ADDRESS64:
1029 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
1030 case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
9dd78466 1031 default: /* other type */
af11cb2d
BH		 1032 dev_warn(&dev->dev, "can't encode unknown resource "
1033 "type %d\n", resource->type);
1da177e4
LT		 1034 return -EINVAL;
1035 }
1c6e7d0a
BH		 1036 resource++;
1037 i++;
1da177e4
LT		 1038 }
1039 return 0;
1040}
Linux kernel - Deliverables
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