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Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[mirror_ubuntu-hirsute-kernel.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>
40ab4f4c
BH		 6 * Copyright (C) 2008 Hewlett-Packard Development Company, L.P.
7 * Bjorn Helgaas <bjorn.helgaas@hp.com>
50eca3eb 8 *
1da177e4
LT		 9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2, or (at your option) any
12 * later version.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 */
23#include <linux/kernel.h>
24#include <linux/acpi.h>
25#include <linux/pci.h>
02d83b5d
BH		 26#include <linux/pnp.h>
27#include "../base.h"
1da177e4
LT		 28#include "pnpacpi.h"
29
30#ifdef CONFIG_IA64
31#define valid_IRQ(i) (1)
32#else
33#define valid_IRQ(i) (((i) != 0) && ((i) != 2))
34#endif
35
36/*
37 * Allocated Resources
38 */
cd7ec927 39static int irq_flags(int triggering, int polarity, int shareable)
1da177e4 40{
cd7ec927
BH		 41 int flags;
42
50eca3eb 43 if (triggering == ACPI_LEVEL_SENSITIVE) {
1c6e7d0a 44 if (polarity == ACPI_ACTIVE_LOW)
cd7ec927 45 flags = IORESOURCE_IRQ_LOWLEVEL;
1da177e4 46 else
cd7ec927 47 flags = IORESOURCE_IRQ_HIGHLEVEL;
9dd78466 48 } else {
1c6e7d0a 49 if (polarity == ACPI_ACTIVE_LOW)
cd7ec927 50 flags = IORESOURCE_IRQ_LOWEDGE;
1da177e4 51 else
cd7ec927 52 flags = IORESOURCE_IRQ_HIGHEDGE;
1da177e4 53 }
cd7ec927 54
a993273b 55 if (shareable == ACPI_SHARED)
cd7ec927
BH		 56 flags |= IORESOURCE_IRQ_SHAREABLE;
57
58 return flags;
1da177e4
LT		 59}
60
e9fe9e18 61static void decode_irq_flags(struct pnp_dev *dev, int flags, int *triggering,
a993273b 62 int *polarity, int *shareable)
1da177e4 63{
e9fe9e18
BH		 64 switch (flags & (IORESOURCE_IRQ_LOWLEVEL | IORESOURCE_IRQ_HIGHLEVEL |
65 IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE)) {
1da177e4 66 case IORESOURCE_IRQ_LOWLEVEL:
50eca3eb
BM		 67 *triggering = ACPI_LEVEL_SENSITIVE;
68 *polarity = ACPI_ACTIVE_LOW;
1da177e4 69 break;
1c6e7d0a 70 case IORESOURCE_IRQ_HIGHLEVEL:
50eca3eb
BM		 71 *triggering = ACPI_LEVEL_SENSITIVE;
72 *polarity = ACPI_ACTIVE_HIGH;
1da177e4
LT		 73 break;
74 case IORESOURCE_IRQ_LOWEDGE:
50eca3eb
BM		 75 *triggering = ACPI_EDGE_SENSITIVE;
76 *polarity = ACPI_ACTIVE_LOW;
1da177e4
LT		 77 break;
78 case IORESOURCE_IRQ_HIGHEDGE:
50eca3eb
BM		 79 *triggering = ACPI_EDGE_SENSITIVE;
80 *polarity = ACPI_ACTIVE_HIGH;
1da177e4 81 break;
e9fe9e18
BH		 82 default:
83 dev_err(&dev->dev, "can't encode invalid IRQ mode %#x\n",
84 flags);
85 *triggering = ACPI_EDGE_SENSITIVE;
86 *polarity = ACPI_ACTIVE_HIGH;
87 break;
1da177e4 88 }
a993273b
BH		 89
90 if (flags & IORESOURCE_IRQ_SHAREABLE)
91 *shareable = ACPI_SHARED;
92 else
93 *shareable = ACPI_EXCLUSIVE;
1da177e4
LT		 94}
95
4ab55d8d 96static void pnpacpi_parse_allocated_irqresource(struct pnp_dev *dev,
07d4e9af
BH		 97 u32 gsi, int triggering,
98 int polarity, int shareable)
1da177e4 99{
dbddd038 100 int irq, flags;
61fd47e0 101 int p, t;
dbed12da 102
5acf9141
BH		 103 if (!valid_IRQ(gsi)) {
104 pnp_add_irq_resource(dev, gsi, IORESOURCE_DISABLED);
dbed12da 105 return;
5acf9141 106 }
dbed12da 107
61fd47e0
SL		 108 /*
109 * in IO-APIC mode, use overrided attribute. Two reasons:
110 * 1. BIOS bug in DSDT
111 * 2. BIOS uses IO-APIC mode Interrupt Source Override
112 */
113 if (!acpi_get_override_irq(gsi, &t, &p)) {
114 t = t ? ACPI_LEVEL_SENSITIVE : ACPI_EDGE_SENSITIVE;
115 p = p ? ACPI_ACTIVE_LOW : ACPI_ACTIVE_HIGH;
116
117 if (triggering != t || polarity != p) {
af11cb2d 118 dev_warn(&dev->dev, "IRQ %d override to %s, %s\n",
61fd47e0
SL		 119 gsi, t ? "edge":"level", p ? "low":"high");
120 triggering = t;
121 polarity = p;
122 }
123 }
124
dbddd038 125 flags = irq_flags(triggering, polarity, shareable);
50eca3eb 126 irq = acpi_register_gsi(gsi, triggering, polarity);
dbddd038
BH		 127 if (irq >= 0)
128 pcibios_penalize_isa_irq(irq, 1);
129 else
130 flags |= IORESOURCE_DISABLED;
dbed12da 131
dbddd038 132 pnp_add_irq_resource(dev, irq, flags);
1da177e4
LT		 133}
134
958a1fdd
BH		 135static int dma_flags(struct pnp_dev *dev, int type, int bus_master,
136 int transfer)
362ea087
MK		 137{
138 int flags = 0;
139
140 if (bus_master)
141 flags |= IORESOURCE_DMA_MASTER;
142 switch (type) {
143 case ACPI_COMPATIBILITY:
144 flags |= IORESOURCE_DMA_COMPATIBLE;
145 break;
146 case ACPI_TYPE_A:
147 flags |= IORESOURCE_DMA_TYPEA;
148 break;
149 case ACPI_TYPE_B:
150 flags |= IORESOURCE_DMA_TYPEB;
151 break;
152 case ACPI_TYPE_F:
153 flags |= IORESOURCE_DMA_TYPEF;
154 break;
155 default:
156 /* Set a default value ? */
157 flags |= IORESOURCE_DMA_COMPATIBLE;
958a1fdd 158 dev_err(&dev->dev, "invalid DMA type %d\n", type);
362ea087
MK		 159 }
160 switch (transfer) {
161 case ACPI_TRANSFER_8:
162 flags |= IORESOURCE_DMA_8BIT;
163 break;
164 case ACPI_TRANSFER_8_16:
165 flags |= IORESOURCE_DMA_8AND16BIT;
166 break;
167 case ACPI_TRANSFER_16:
168 flags |= IORESOURCE_DMA_16BIT;
169 break;
170 default:
171 /* Set a default value ? */
172 flags |= IORESOURCE_DMA_8AND16BIT;
958a1fdd 173 dev_err(&dev->dev, "invalid DMA transfer type %d\n", transfer);
362ea087
MK		 174 }
175
176 return flags;
177}
178
cc8c2e30
BH		 179static void pnpacpi_parse_allocated_ioresource(struct pnp_dev *dev, u64 start,
180 u64 len, int io_decode)
1da177e4 181{
cc8c2e30
BH		 182 int flags = 0;
183 u64 end = start + len - 1;
07d4e9af 184
cc8c2e30 185 if (io_decode == ACPI_DECODE_16)
08c9f262 186 flags |= IORESOURCE_IO_16BIT_ADDR;
cc8c2e30
BH		 187 if (len == 0 || end >= 0x10003)
188 flags |= IORESOURCE_DISABLED;
189
190 pnp_add_io_resource(dev, start, end, flags);
1da177e4
LT		 191}
192
40ab4f4c
BH		 193/*
194 * Device CSRs that do not appear in PCI config space should be described
195 * via ACPI. This would normally be done with Address Space Descriptors
196 * marked as "consumer-only," but old versions of Windows and Linux ignore
197 * the producer/consumer flag, so HP invented a vendor-defined resource to
198 * describe the location and size of CSR space.
199 */
200static struct acpi_vendor_uuid hp_ccsr_uuid = {
201 .subtype = 2,
202 .data = { 0xf9, 0xad, 0xe9, 0x69, 0x4f, 0x92, 0x5f, 0xab, 0xf6, 0x4a,
203 0x24, 0xd2, 0x01, 0x37, 0x0e, 0xad },
204};
205
206static int vendor_resource_matches(struct pnp_dev *dev,
207 struct acpi_resource_vendor_typed *vendor,
208 struct acpi_vendor_uuid *match,
209 int expected_len)
210{
211 int uuid_len = sizeof(vendor->uuid);
212 u8 uuid_subtype = vendor->uuid_subtype;
213 u8 *uuid = vendor->uuid;
214 int actual_len;
215
216 /* byte_length includes uuid_subtype and uuid */
217 actual_len = vendor->byte_length - uuid_len - 1;
218
219 if (uuid_subtype == match->subtype &&
220 uuid_len == sizeof(match->data) &&
221 memcmp(uuid, match->data, uuid_len) == 0) {
222 if (expected_len && expected_len != actual_len) {
223 dev_err(&dev->dev, "wrong vendor descriptor size; "
224 "expected %d, found %d bytes\n",
225 expected_len, actual_len);
226 return 0;
227 }
228
229 return 1;
230 }
231
232 return 0;
233}
234
235static void pnpacpi_parse_allocated_vendor(struct pnp_dev *dev,
236 struct acpi_resource_vendor_typed *vendor)
237{
238 if (vendor_resource_matches(dev, vendor, &hp_ccsr_uuid, 16)) {
239 u64 start, length;
240
241 memcpy(&start, vendor->byte_data, sizeof(start));
242 memcpy(&length, vendor->byte_data + 8, sizeof(length));
243
244 pnp_add_mem_resource(dev, start, start + length - 1, 0);
245 }
246}
247
4ab55d8d 248static void pnpacpi_parse_allocated_memresource(struct pnp_dev *dev,
d6180f36 249 u64 start, u64 len,
07d4e9af 250 int write_protect)
1da177e4 251{
d6180f36
BH		 252 int flags = 0;
253 u64 end = start + len - 1;
254
255 if (len == 0)
256 flags |= IORESOURCE_DISABLED;
257 if (write_protect == ACPI_READ_WRITE_MEMORY)
258 flags |= IORESOURCE_MEM_WRITEABLE;
259
260 pnp_add_mem_resource(dev, start, end, flags);
1da177e4
LT		 261}
262
4ab55d8d 263static void pnpacpi_parse_allocated_address_space(struct pnp_dev *dev,
07d4e9af 264 struct acpi_resource *res)
1acfb7f2
BH		 265{
266 struct acpi_resource_address64 addr, *p = &addr;
267 acpi_status status;
268
269 status = acpi_resource_to_address64(res, p);
270 if (!ACPI_SUCCESS(status)) {
af11cb2d 271 dev_warn(&dev->dev, "failed to convert resource type %d\n",
9dd78466 272 res->type);
1acfb7f2
BH		 273 return;
274 }
275
2b8de5f5
MC		 276 if (p->producer_consumer == ACPI_PRODUCER)
277 return;
278
1acfb7f2 279 if (p->resource_type == ACPI_MEMORY_RANGE)
4ab55d8d 280 pnpacpi_parse_allocated_memresource(dev,
07d4e9af
BH		 281 p->minimum, p->address_length,
282 p->info.mem.write_protect);
1acfb7f2 283 else if (p->resource_type == ACPI_IO_RANGE)
4ab55d8d 284 pnpacpi_parse_allocated_ioresource(dev,
07d4e9af
BH		 285 p->minimum, p->address_length,
286 p->granularity == 0xfff ? ACPI_DECODE_10 :
287 ACPI_DECODE_16);
1acfb7f2 288}
1da177e4
LT		 289
290static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
9dd78466 291 void *data)
1da177e4 292{
4ab55d8d 293 struct pnp_dev *dev = data;
9570a20e
BH		 294 struct acpi_resource_irq *irq;
295 struct acpi_resource_dma *dma;
296 struct acpi_resource_io *io;
297 struct acpi_resource_fixed_io *fixed_io;
40ab4f4c 298 struct acpi_resource_vendor_typed *vendor_typed;
9570a20e
BH		 299 struct acpi_resource_memory24 *memory24;
300 struct acpi_resource_memory32 *memory32;
301 struct acpi_resource_fixed_memory32 *fixed_memory32;
302 struct acpi_resource_extended_irq *extended_irq;
dc16f5f2 303 int i, flags;
1da177e4 304
eca008c8 305 switch (res->type) {
50eca3eb 306 case ACPI_RESOURCE_TYPE_IRQ:
dbed12da
BH		 307 /*
308 * Per spec, only one interrupt per descriptor is allowed in
309 * _CRS, but some firmware violates this, so parse them all.
310 */
9570a20e 311 irq = &res->data.irq;
5acf9141
BH		 312 if (irq->interrupt_count == 0)
313 pnp_add_irq_resource(dev, 0, IORESOURCE_DISABLED);
314 else {
315 for (i = 0; i < irq->interrupt_count; i++) {
316 pnpacpi_parse_allocated_irqresource(dev,
317 irq->interrupts[i],
318 irq->triggering,
319 irq->polarity,
320 irq->sharable);
321 }
322
323 /*
324 * The IRQ encoder puts a single interrupt in each
325 * descriptor, so if a _CRS descriptor has more than
326 * one interrupt, we won't be able to re-encode it.
327 */
328 if (pnp_can_write(dev) && irq->interrupt_count > 1) {
329 dev_warn(&dev->dev, "multiple interrupts in "
330 "_CRS descriptor; configuration can't "
331 "be changed\n");
332 dev->capabilities &= ~PNP_WRITE;
333 }
1da177e4
LT		 334 }
335 break;
336
50eca3eb 337 case ACPI_RESOURCE_TYPE_DMA:
9570a20e 338 dma = &res->data.dma;
5acf9141 339 if (dma->channel_count > 0 && dma->channels[0] != (u8) -1)
958a1fdd 340 flags = dma_flags(dev, dma->type, dma->bus_master,
dc16f5f2 341 dma->transfer);
5acf9141
BH		 342 else
343 flags = IORESOURCE_DISABLED;
344 pnp_add_dma_resource(dev, dma->channels[0], flags);
1da177e4 345 break;
0af5853b 346
50eca3eb 347 case ACPI_RESOURCE_TYPE_IO:
9570a20e 348 io = &res->data.io;
4ab55d8d 349 pnpacpi_parse_allocated_ioresource(dev,
9570a20e
BH		 350 io->minimum,
351 io->address_length,
352 io->io_decode);
1da177e4 353 break;
0af5853b
LB		 354
355 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
356 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
357 break;
358
50eca3eb 359 case ACPI_RESOURCE_TYPE_FIXED_IO:
9570a20e 360 fixed_io = &res->data.fixed_io;
4ab55d8d 361 pnpacpi_parse_allocated_ioresource(dev,
9570a20e
BH		 362 fixed_io->address,
363 fixed_io->address_length,
07d4e9af 364 ACPI_DECODE_10);
1da177e4 365 break;
0af5853b
LB		 366
367 case ACPI_RESOURCE_TYPE_VENDOR:
40ab4f4c
BH		 368 vendor_typed = &res->data.vendor_typed;
369 pnpacpi_parse_allocated_vendor(dev, vendor_typed);
0af5853b
LB		 370 break;
371
372 case ACPI_RESOURCE_TYPE_END_TAG:
373 break;
374
50eca3eb 375 case ACPI_RESOURCE_TYPE_MEMORY24:
9570a20e 376 memory24 = &res->data.memory24;
4ab55d8d 377 pnpacpi_parse_allocated_memresource(dev,
9570a20e
BH		 378 memory24->minimum,
379 memory24->address_length,
380 memory24->write_protect);
1da177e4 381 break;
50eca3eb 382 case ACPI_RESOURCE_TYPE_MEMORY32:
9570a20e 383 memory32 = &res->data.memory32;
4ab55d8d 384 pnpacpi_parse_allocated_memresource(dev,
9570a20e
BH		 385 memory32->minimum,
386 memory32->address_length,
387 memory32->write_protect);
1da177e4 388 break;
50eca3eb 389 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
9570a20e 390 fixed_memory32 = &res->data.fixed_memory32;
4ab55d8d 391 pnpacpi_parse_allocated_memresource(dev,
9570a20e
BH		 392 fixed_memory32->address,
393 fixed_memory32->address_length,
394 fixed_memory32->write_protect);
1da177e4 395 break;
50eca3eb 396 case ACPI_RESOURCE_TYPE_ADDRESS16:
50eca3eb 397 case ACPI_RESOURCE_TYPE_ADDRESS32:
50eca3eb 398 case ACPI_RESOURCE_TYPE_ADDRESS64:
4ab55d8d 399 pnpacpi_parse_allocated_address_space(dev, res);
1da177e4 400 break;
0af5853b
LB		 401
402 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
2b8de5f5
MC		 403 if (res->data.ext_address64.producer_consumer == ACPI_PRODUCER)
404 return AE_OK;
0af5853b
LB		 405 break;
406
407 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
9570a20e 408 extended_irq = &res->data.extended_irq;
2b8de5f5 409
5acf9141
BH		 410 if (extended_irq->interrupt_count == 0)
411 pnp_add_irq_resource(dev, 0, IORESOURCE_DISABLED);
412 else {
413 for (i = 0; i < extended_irq->interrupt_count; i++) {
414 pnpacpi_parse_allocated_irqresource(dev,
415 extended_irq->interrupts[i],
416 extended_irq->triggering,
417 extended_irq->polarity,
418 extended_irq->sharable);
419 }
420
421 /*
422 * The IRQ encoder puts a single interrupt in each
423 * descriptor, so if a _CRS descriptor has more than
424 * one interrupt, we won't be able to re-encode it.
425 */
426 if (pnp_can_write(dev) &&
427 extended_irq->interrupt_count > 1) {
428 dev_warn(&dev->dev, "multiple interrupts in "
429 "_CRS descriptor; configuration can't "
430 "be changed\n");
431 dev->capabilities &= ~PNP_WRITE;
432 }
0af5853b
LB		 433 }
434 break;
435
436 case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
1da177e4 437 break;
0af5853b 438
1da177e4 439 default:
af11cb2d
BH		 440 dev_warn(&dev->dev, "unknown resource type %d in _CRS\n",
441 res->type);
1da177e4
LT		 442 return AE_ERROR;
443 }
1c6e7d0a 444
1da177e4
LT		 445 return AE_OK;
446}
447
d152cf5d 448int pnpacpi_parse_allocated_resource(struct pnp_dev *dev)
1da177e4 449{
4ab55d8d 450 acpi_handle handle = dev->data;
d152cf5d 451 acpi_status status;
4ab55d8d 452
2f53432c 453 pnp_dbg(&dev->dev, "parse allocated resources\n");
72dcc883 454
f4490002 455 pnp_init_resources(dev);
1da177e4 456
d152cf5d
BH		 457 status = acpi_walk_resources(handle, METHOD_NAME__CRS,
458 pnpacpi_allocated_resource, dev);
459
460 if (ACPI_FAILURE(status)) {
461 if (status != AE_NOT_FOUND)
462 dev_err(&dev->dev, "can't evaluate _CRS: %d", status);
463 return -EPERM;
464 }
465 return 0;
1da177e4
LT		 466}
467
c1caf06c 468static __init void pnpacpi_parse_dma_option(struct pnp_dev *dev,
1f32ca31 469 unsigned int option_flags,
2bb9a6b3 470 struct acpi_resource_dma *p)
1da177e4
LT		 471{
472 int i;
c227536b 473 unsigned char map = 0, flags;
1da177e4 474
50eca3eb 475 if (p->channel_count == 0)
1da177e4 476 return;
1da177e4 477
9dd78466 478 for (i = 0; i < p->channel_count; i++)
c227536b 479 map |= 1 << p->channels[i];
1da177e4 480
958a1fdd 481 flags = dma_flags(dev, p->type, p->bus_master, p->transfer);
1f32ca31 482 pnp_register_dma_resource(dev, option_flags, map, flags);
1da177e4
LT		 483}
484
c1caf06c 485static __init void pnpacpi_parse_irq_option(struct pnp_dev *dev,
1f32ca31 486 unsigned int option_flags,
2bb9a6b3 487 struct acpi_resource_irq *p)
1da177e4
LT		 488{
489 int i;
c227536b
BH		 490 pnp_irq_mask_t map;
491 unsigned char flags;
1c6e7d0a 492
50eca3eb 493 if (p->interrupt_count == 0)
1da177e4 494 return;
1da177e4 495
c227536b 496 bitmap_zero(map.bits, PNP_IRQ_NR);
9dd78466 497 for (i = 0; i < p->interrupt_count; i++)
1da177e4 498 if (p->interrupts[i])
c227536b 499 __set_bit(p->interrupts[i], map.bits);
1da177e4 500
c227536b 501 flags = irq_flags(p->triggering, p->polarity, p->sharable);
1f32ca31 502 pnp_register_irq_resource(dev, option_flags, &map, flags);
1da177e4
LT		 503}
504
c1caf06c 505static __init void pnpacpi_parse_ext_irq_option(struct pnp_dev *dev,
1f32ca31 506 unsigned int option_flags,
2bb9a6b3 507 struct acpi_resource_extended_irq *p)
1da177e4
LT		 508{
509 int i;
c227536b
BH		 510 pnp_irq_mask_t map;
511 unsigned char flags;
1da177e4 512
50eca3eb 513 if (p->interrupt_count == 0)
1da177e4 514 return;
1da177e4 515
c227536b 516 bitmap_zero(map.bits, PNP_IRQ_NR);
fe2cf598
BH		 517 for (i = 0; i < p->interrupt_count; i++) {
518 if (p->interrupts[i]) {
519 if (p->interrupts[i] < PNP_IRQ_NR)
520 __set_bit(p->interrupts[i], map.bits);
521 else
522 dev_err(&dev->dev, "ignoring IRQ %d option "
523 "(too large for %d entry bitmap)\n",
524 p->interrupts[i], PNP_IRQ_NR);
525 }
526 }
1da177e4 527
c227536b 528 flags = irq_flags(p->triggering, p->polarity, p->sharable);
1f32ca31 529 pnp_register_irq_resource(dev, option_flags, &map, flags);
1da177e4
LT		 530}
531
c1caf06c 532static __init void pnpacpi_parse_port_option(struct pnp_dev *dev,
1f32ca31 533 unsigned int option_flags,
2bb9a6b3 534 struct acpi_resource_io *io)
1da177e4 535{
c227536b 536 unsigned char flags = 0;
1da177e4 537
50eca3eb 538 if (io->address_length == 0)
1da177e4 539 return;
c227536b
BH		 540
541 if (io->io_decode == ACPI_DECODE_16)
542 flags = IORESOURCE_IO_16BIT_ADDR;
1f32ca31 543 pnp_register_port_resource(dev, option_flags, io->minimum, io->maximum,
c227536b 544 io->alignment, io->address_length, flags);
1da177e4
LT		 545}
546
c1caf06c 547static __init void pnpacpi_parse_fixed_port_option(struct pnp_dev *dev,
1f32ca31 548 unsigned int option_flags,
2bb9a6b3 549 struct acpi_resource_fixed_io *io)
1da177e4 550{
50eca3eb 551 if (io->address_length == 0)
1da177e4 552 return;
c227536b 553
1f32ca31
BH		 554 pnp_register_port_resource(dev, option_flags, io->address, io->address,
555 0, io->address_length, IORESOURCE_IO_FIXED);
1da177e4
LT		 556}
557
c1caf06c 558static __init void pnpacpi_parse_mem24_option(struct pnp_dev *dev,
1f32ca31 559 unsigned int option_flags,
2bb9a6b3 560 struct acpi_resource_memory24 *p)
1da177e4 561{
c227536b 562 unsigned char flags = 0;
1da177e4 563
50eca3eb 564 if (p->address_length == 0)
1da177e4 565 return;
1da177e4 566
c227536b
BH		 567 if (p->write_protect == ACPI_READ_WRITE_MEMORY)
568 flags = IORESOURCE_MEM_WRITEABLE;
1f32ca31 569 pnp_register_mem_resource(dev, option_flags, p->minimum, p->maximum,
c227536b 570 p->alignment, p->address_length, flags);
1da177e4
LT		 571}
572
c1caf06c 573static __init void pnpacpi_parse_mem32_option(struct pnp_dev *dev,
1f32ca31 574 unsigned int option_flags,
2bb9a6b3 575 struct acpi_resource_memory32 *p)
1da177e4 576{
c227536b 577 unsigned char flags = 0;
1da177e4 578
50eca3eb 579 if (p->address_length == 0)
1da177e4 580 return;
1da177e4 581
c227536b
BH		 582 if (p->write_protect == ACPI_READ_WRITE_MEMORY)
583 flags = IORESOURCE_MEM_WRITEABLE;
1f32ca31 584 pnp_register_mem_resource(dev, option_flags, p->minimum, p->maximum,
c227536b 585 p->alignment, p->address_length, flags);
1da177e4
LT		 586}
587
c1caf06c 588static __init void pnpacpi_parse_fixed_mem32_option(struct pnp_dev *dev,
1f32ca31 589 unsigned int option_flags,
2bb9a6b3 590 struct acpi_resource_fixed_memory32 *p)
1da177e4 591{
c227536b 592 unsigned char flags = 0;
1da177e4 593
50eca3eb 594 if (p->address_length == 0)
1da177e4 595 return;
1da177e4 596
c227536b
BH		 597 if (p->write_protect == ACPI_READ_WRITE_MEMORY)
598 flags = IORESOURCE_MEM_WRITEABLE;
1f32ca31 599 pnp_register_mem_resource(dev, option_flags, p->address, p->address,
c227536b 600 0, p->address_length, flags);
1da177e4
LT		 601}
602
c1caf06c 603static __init void pnpacpi_parse_address_option(struct pnp_dev *dev,
1f32ca31 604 unsigned int option_flags,
2bb9a6b3 605 struct acpi_resource *r)
6f957eaf
BH		 606{
607 struct acpi_resource_address64 addr, *p = &addr;
608 acpi_status status;
c227536b 609 unsigned char flags = 0;
6f957eaf
BH		 610
611 status = acpi_resource_to_address64(r, p);
958a1fdd
BH		 612 if (ACPI_FAILURE(status)) {
613 dev_warn(&dev->dev, "can't convert resource type %d\n",
9dd78466 614 r->type);
6f957eaf
BH		 615 return;
616 }
617
618 if (p->address_length == 0)
619 return;
620
621 if (p->resource_type == ACPI_MEMORY_RANGE) {
c227536b
BH		 622 if (p->info.mem.write_protect == ACPI_READ_WRITE_MEMORY)
623 flags = IORESOURCE_MEM_WRITEABLE;
1f32ca31
BH		 624 pnp_register_mem_resource(dev, option_flags, p->minimum,
625 p->minimum, 0, p->address_length,
626 flags);
c227536b 627 } else if (p->resource_type == ACPI_IO_RANGE)
1f32ca31
BH		 628 pnp_register_port_resource(dev, option_flags, p->minimum,
629 p->minimum, 0, p->address_length,
c227536b 630 IORESOURCE_IO_FIXED);
6f957eaf
BH		 631}
632
1da177e4 633struct acpipnp_parse_option_s {
1da177e4 634 struct pnp_dev *dev;
1f32ca31 635 unsigned int option_flags;
1da177e4
LT		 636};
637
2bb9a6b3
TR		 638static __init acpi_status pnpacpi_option_resource(struct acpi_resource *res,
639 void *data)
1da177e4 640{
e2a1a6f1 641 int priority;
4721a4cc 642 struct acpipnp_parse_option_s *parse_data = data;
1da177e4 643 struct pnp_dev *dev = parse_data->dev;
1f32ca31 644 unsigned int option_flags = parse_data->option_flags;
1da177e4 645
eca008c8 646 switch (res->type) {
9dd78466 647 case ACPI_RESOURCE_TYPE_IRQ:
1f32ca31 648 pnpacpi_parse_irq_option(dev, option_flags, &res->data.irq);
9dd78466 649 break;
0af5853b 650
9dd78466 651 case ACPI_RESOURCE_TYPE_DMA:
1f32ca31 652 pnpacpi_parse_dma_option(dev, option_flags, &res->data.dma);
9dd78466 653 break;
0af5853b 654
9dd78466
BH		 655 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
656 switch (res->data.start_dpf.compatibility_priority) {
657 case ACPI_GOOD_CONFIGURATION:
658 priority = PNP_RES_PRIORITY_PREFERRED;
1da177e4 659 break;
0af5853b 660
9dd78466
BH		 661 case ACPI_ACCEPTABLE_CONFIGURATION:
662 priority = PNP_RES_PRIORITY_ACCEPTABLE;
b008b8d7 663 break;
0af5853b 664
9dd78466
BH		 665 case ACPI_SUB_OPTIMAL_CONFIGURATION:
666 priority = PNP_RES_PRIORITY_FUNCTIONAL;
0af5853b 667 break;
9dd78466
BH		 668 default:
669 priority = PNP_RES_PRIORITY_INVALID;
0af5853b 670 break;
9dd78466 671 }
1f32ca31 672 parse_data->option_flags = pnp_new_dependent_set(dev, priority);
9dd78466 673 break;
0af5853b 674
9dd78466 675 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
1f32ca31 676 parse_data->option_flags = 0;
9dd78466 677 break;
0af5853b 678
9dd78466 679 case ACPI_RESOURCE_TYPE_IO:
1f32ca31 680 pnpacpi_parse_port_option(dev, option_flags, &res->data.io);
9dd78466 681 break;
0af5853b 682
9dd78466 683 case ACPI_RESOURCE_TYPE_FIXED_IO:
1f32ca31 684 pnpacpi_parse_fixed_port_option(dev, option_flags,
c1caf06c 685 &res->data.fixed_io);
9dd78466 686 break;
0af5853b 687
9dd78466
BH		 688 case ACPI_RESOURCE_TYPE_VENDOR:
689 case ACPI_RESOURCE_TYPE_END_TAG:
690 break;
0af5853b 691
9dd78466 692 case ACPI_RESOURCE_TYPE_MEMORY24:
1f32ca31
BH		 693 pnpacpi_parse_mem24_option(dev, option_flags,
694 &res->data.memory24);
9dd78466 695 break;
0af5853b 696
9dd78466 697 case ACPI_RESOURCE_TYPE_MEMORY32:
1f32ca31
BH		 698 pnpacpi_parse_mem32_option(dev, option_flags,
699 &res->data.memory32);
9dd78466 700 break;
0af5853b 701
9dd78466 702 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
1f32ca31 703 pnpacpi_parse_fixed_mem32_option(dev, option_flags,
9dd78466
BH		 704 &res->data.fixed_memory32);
705 break;
0af5853b 706
9dd78466
BH		 707 case ACPI_RESOURCE_TYPE_ADDRESS16:
708 case ACPI_RESOURCE_TYPE_ADDRESS32:
709 case ACPI_RESOURCE_TYPE_ADDRESS64:
1f32ca31 710 pnpacpi_parse_address_option(dev, option_flags, res);
9dd78466 711 break;
0af5853b 712
9dd78466
BH		 713 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
714 break;
715
716 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
1f32ca31 717 pnpacpi_parse_ext_irq_option(dev, option_flags,
c1caf06c 718 &res->data.extended_irq);
9dd78466
BH		 719 break;
720
721 case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
722 break;
723
724 default:
af11cb2d
BH		 725 dev_warn(&dev->dev, "unknown resource type %d in _PRS\n",
726 res->type);
9dd78466 727 return AE_ERROR;
1da177e4 728 }
1c6e7d0a 729
1da177e4
LT		 730 return AE_OK;
731}
732
d152cf5d 733int __init pnpacpi_parse_resource_option_data(struct pnp_dev *dev)
1da177e4 734{
4ab55d8d 735 acpi_handle handle = dev->data;
1da177e4
LT		 736 acpi_status status;
737 struct acpipnp_parse_option_s parse_data;
738
2f53432c 739 pnp_dbg(&dev->dev, "parse resource options\n");
72dcc883 740
1da177e4 741 parse_data.dev = dev;
1f32ca31
BH		 742 parse_data.option_flags = 0;
743
50eca3eb 744 status = acpi_walk_resources(handle, METHOD_NAME__PRS,
9dd78466 745 pnpacpi_option_resource, &parse_data);
1da177e4 746
d152cf5d
BH		 747 if (ACPI_FAILURE(status)) {
748 if (status != AE_NOT_FOUND)
749 dev_err(&dev->dev, "can't evaluate _PRS: %d", status);
750 return -EPERM;
751 }
752 return 0;
1da177e4
LT		 753}
754
b5f2490b 755static int pnpacpi_supported_resource(struct acpi_resource *res)
1da177e4 756{
eca008c8 757 switch (res->type) {
50eca3eb 758 case ACPI_RESOURCE_TYPE_IRQ:
50eca3eb
BM		 759 case ACPI_RESOURCE_TYPE_DMA:
760 case ACPI_RESOURCE_TYPE_IO:
761 case ACPI_RESOURCE_TYPE_FIXED_IO:
762 case ACPI_RESOURCE_TYPE_MEMORY24:
763 case ACPI_RESOURCE_TYPE_MEMORY32:
764 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
50eca3eb
BM		 765 case ACPI_RESOURCE_TYPE_ADDRESS16:
766 case ACPI_RESOURCE_TYPE_ADDRESS32:
767 case ACPI_RESOURCE_TYPE_ADDRESS64:
0af5853b 768 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
b5f2490b 769 return 1;
1da177e4 770 }
b5f2490b
BH		 771 return 0;
772}
773
774/*
775 * Set resource
776 */
777static acpi_status pnpacpi_count_resources(struct acpi_resource *res,
9dd78466 778 void *data)
b5f2490b 779{
4721a4cc 780 int *res_cnt = data;
b5f2490b
BH		 781
782 if (pnpacpi_supported_resource(res))
783 (*res_cnt)++;
1da177e4
LT		 784 return AE_OK;
785}
786
1c6e7d0a 787static acpi_status pnpacpi_type_resources(struct acpi_resource *res, void *data)
1da177e4 788{
4721a4cc 789 struct acpi_resource **resource = data;
b5f2490b
BH		 790
791 if (pnpacpi_supported_resource(res)) {
eca008c8 792 (*resource)->type = res->type;
b5f2490b 793 (*resource)->length = sizeof(struct acpi_resource);
36d872a3
BH		 794 if (res->type == ACPI_RESOURCE_TYPE_IRQ)
795 (*resource)->data.irq.descriptor_length =
796 res->data.irq.descriptor_length;
1da177e4 797 (*resource)++;
1da177e4
LT		 798 }
799
800 return AE_OK;
801}
802
cdef6254 803int pnpacpi_build_resource_template(struct pnp_dev *dev,
9dd78466 804 struct acpi_buffer *buffer)
1da177e4 805{
cdef6254 806 acpi_handle handle = dev->data;
1da177e4
LT		 807 struct acpi_resource *resource;
808 int res_cnt = 0;
809 acpi_status status;
810
50eca3eb 811 status = acpi_walk_resources(handle, METHOD_NAME__CRS,
9dd78466 812 pnpacpi_count_resources, &res_cnt);
1da177e4 813 if (ACPI_FAILURE(status)) {
d152cf5d 814 dev_err(&dev->dev, "can't evaluate _CRS: %d\n", status);
1da177e4
LT		 815 return -EINVAL;
816 }
817 if (!res_cnt)
818 return -EINVAL;
819 buffer->length = sizeof(struct acpi_resource) * (res_cnt + 1) + 1;
cd861280 820 buffer->pointer = kzalloc(buffer->length - 1, GFP_KERNEL);
1da177e4
LT		 821 if (!buffer->pointer)
822 return -ENOMEM;
72dcc883 823
1da177e4 824 resource = (struct acpi_resource *)buffer->pointer;
50eca3eb 825 status = acpi_walk_resources(handle, METHOD_NAME__CRS,
9dd78466 826 pnpacpi_type_resources, &resource);
1da177e4
LT		 827 if (ACPI_FAILURE(status)) {
828 kfree(buffer->pointer);
d152cf5d 829 dev_err(&dev->dev, "can't evaluate _CRS: %d\n", status);
1da177e4
LT		 830 return -EINVAL;
831 }
832 /* resource will pointer the end resource now */
50eca3eb 833 resource->type = ACPI_RESOURCE_TYPE_END_TAG;
1da177e4
LT		 834
835 return 0;
836}
837
72dcc883
BH		 838static void pnpacpi_encode_irq(struct pnp_dev *dev,
839 struct acpi_resource *resource,
9dd78466 840 struct resource *p)
1da177e4 841{
9570a20e 842 struct acpi_resource_irq *irq = &resource->data.irq;
a993273b 843 int triggering, polarity, shareable;
1c6e7d0a 844
aee3ad81
BH		 845 if (!pnp_resource_enabled(p)) {
846 irq->interrupt_count = 0;
2f53432c 847 pnp_dbg(&dev->dev, " encode irq (%s)\n",
aee3ad81
BH		 848 p ? "disabled" : "missing");
849 return;
850 }
851
a993273b 852 decode_irq_flags(dev, p->flags, &triggering, &polarity, &shareable);
9570a20e
BH		 853 irq->triggering = triggering;
854 irq->polarity = polarity;
a993273b 855 irq->sharable = shareable;
9570a20e
BH		 856 irq->interrupt_count = 1;
857 irq->interrupts[0] = p->start;
72dcc883 858
2f53432c 859 pnp_dbg(&dev->dev, " encode irq %d %s %s %s (%d-byte descriptor)\n",
36d872a3 860 (int) p->start,
72dcc883
BH		 861 triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge",
862 polarity == ACPI_ACTIVE_LOW ? "low" : "high",
36d872a3
BH		 863 irq->sharable == ACPI_SHARED ? "shared" : "exclusive",
864 irq->descriptor_length);
1da177e4
LT		 865}
866
72dcc883
BH		 867static void pnpacpi_encode_ext_irq(struct pnp_dev *dev,
868 struct acpi_resource *resource,
9dd78466 869 struct resource *p)
1da177e4 870{
9570a20e 871 struct acpi_resource_extended_irq *extended_irq = &resource->data.extended_irq;
a993273b 872 int triggering, polarity, shareable;
1c6e7d0a 873
aee3ad81
BH		 874 if (!pnp_resource_enabled(p)) {
875 extended_irq->interrupt_count = 0;
2f53432c 876 pnp_dbg(&dev->dev, " encode extended irq (%s)\n",
aee3ad81
BH		 877 p ? "disabled" : "missing");
878 return;
879 }
880
a993273b 881 decode_irq_flags(dev, p->flags, &triggering, &polarity, &shareable);
9570a20e
BH		 882 extended_irq->producer_consumer = ACPI_CONSUMER;
883 extended_irq->triggering = triggering;
884 extended_irq->polarity = polarity;
a993273b 885 extended_irq->sharable = shareable;
9570a20e
BH		 886 extended_irq->interrupt_count = 1;
887 extended_irq->interrupts[0] = p->start;
72dcc883 888
2f53432c 889 pnp_dbg(&dev->dev, " encode irq %d %s %s %s\n", (int) p->start,
72dcc883
BH		 890 triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge",
891 polarity == ACPI_ACTIVE_LOW ? "low" : "high",
892 extended_irq->sharable == ACPI_SHARED ? "shared" : "exclusive");
1da177e4
LT		 893}
894
72dcc883
BH		 895static void pnpacpi_encode_dma(struct pnp_dev *dev,
896 struct acpi_resource *resource,
9dd78466 897 struct resource *p)
1da177e4 898{
9570a20e
BH		 899 struct acpi_resource_dma *dma = &resource->data.dma;
900
aee3ad81
BH		 901 if (!pnp_resource_enabled(p)) {
902 dma->channel_count = 0;
2f53432c 903 pnp_dbg(&dev->dev, " encode dma (%s)\n",
aee3ad81
BH		 904 p ? "disabled" : "missing");
905 return;
906 }
907
1da177e4 908 /* Note: pnp_assign_dma will copy pnp_dma->flags into p->flags */
ccc4c7bb 909 switch (p->flags & IORESOURCE_DMA_SPEED_MASK) {
9dd78466 910 case IORESOURCE_DMA_TYPEA:
9570a20e 911 dma->type = ACPI_TYPE_A;
9dd78466
BH		 912 break;
913 case IORESOURCE_DMA_TYPEB:
9570a20e 914 dma->type = ACPI_TYPE_B;
9dd78466
BH		 915 break;
916 case IORESOURCE_DMA_TYPEF:
9570a20e 917 dma->type = ACPI_TYPE_F;
9dd78466
BH		 918 break;
919 default:
9570a20e 920 dma->type = ACPI_COMPATIBILITY;
ccc4c7bb
VP		 921 }
922
923 switch (p->flags & IORESOURCE_DMA_TYPE_MASK) {
9dd78466 924 case IORESOURCE_DMA_8BIT:
9570a20e 925 dma->transfer = ACPI_TRANSFER_8;
9dd78466
BH		 926 break;
927 case IORESOURCE_DMA_8AND16BIT:
9570a20e 928 dma->transfer = ACPI_TRANSFER_8_16;
9dd78466
BH		 929 break;
930 default:
9570a20e 931 dma->transfer = ACPI_TRANSFER_16;
ccc4c7bb
VP		 932 }
933
9570a20e
BH		 934 dma->bus_master = !!(p->flags & IORESOURCE_DMA_MASTER);
935 dma->channel_count = 1;
936 dma->channels[0] = p->start;
72dcc883 937
2f53432c 938 pnp_dbg(&dev->dev, " encode dma %d "
72dcc883
BH		 939 "type %#x transfer %#x master %d\n",
940 (int) p->start, dma->type, dma->transfer, dma->bus_master);
1da177e4
LT		 941}
942
72dcc883
BH		 943static void pnpacpi_encode_io(struct pnp_dev *dev,
944 struct acpi_resource *resource,
9dd78466 945 struct resource *p)
1da177e4 946{
9570a20e
BH		 947 struct acpi_resource_io *io = &resource->data.io;
948
aee3ad81
BH		 949 if (pnp_resource_enabled(p)) {
950 /* Note: pnp_assign_port copies pnp_port->flags into p->flags */
08c9f262 951 io->io_decode = (p->flags & IORESOURCE_IO_16BIT_ADDR) ?
aee3ad81
BH		 952 ACPI_DECODE_16 : ACPI_DECODE_10;
953 io->minimum = p->start;
954 io->maximum = p->end;
955 io->alignment = 0; /* Correct? */
956 io->address_length = p->end - p->start + 1;
957 } else {
958 io->minimum = 0;
959 io->address_length = 0;
960 }
72dcc883 961
2f53432c 962 pnp_dbg(&dev->dev, " encode io %#x-%#x decode %#x\n", io->minimum,
aee3ad81 963 io->minimum + io->address_length - 1, io->io_decode);
1da177e4
LT		 964}
965
72dcc883
BH		 966static void pnpacpi_encode_fixed_io(struct pnp_dev *dev,
967 struct acpi_resource *resource,
9dd78466 968 struct resource *p)
1da177e4 969{
9570a20e
BH		 970 struct acpi_resource_fixed_io *fixed_io = &resource->data.fixed_io;
971
aee3ad81
BH		 972 if (pnp_resource_enabled(p)) {
973 fixed_io->address = p->start;
974 fixed_io->address_length = p->end - p->start + 1;
975 } else {
976 fixed_io->address = 0;
977 fixed_io->address_length = 0;
978 }
72dcc883 979
2f53432c 980 pnp_dbg(&dev->dev, " encode fixed_io %#x-%#x\n", fixed_io->address,
aee3ad81 981 fixed_io->address + fixed_io->address_length - 1);
1da177e4
LT		 982}
983
72dcc883
BH		 984static void pnpacpi_encode_mem24(struct pnp_dev *dev,
985 struct acpi_resource *resource,
9dd78466 986 struct resource *p)
1da177e4 987{
9570a20e
BH		 988 struct acpi_resource_memory24 *memory24 = &resource->data.memory24;
989
aee3ad81
BH		 990 if (pnp_resource_enabled(p)) {
991 /* Note: pnp_assign_mem copies pnp_mem->flags into p->flags */
992 memory24->write_protect = p->flags & IORESOURCE_MEM_WRITEABLE ?
993 ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
994 memory24->minimum = p->start;
995 memory24->maximum = p->end;
996 memory24->alignment = 0;
997 memory24->address_length = p->end - p->start + 1;
998 } else {
999 memory24->minimum = 0;
1000 memory24->address_length = 0;
1001 }
1002
2f53432c 1003 pnp_dbg(&dev->dev, " encode mem24 %#x-%#x write_protect %#x\n",
aee3ad81
BH		 1004 memory24->minimum,
1005 memory24->minimum + memory24->address_length - 1,
72dcc883 1006 memory24->write_protect);
1da177e4
LT		 1007}
1008
72dcc883
BH		 1009static void pnpacpi_encode_mem32(struct pnp_dev *dev,
1010 struct acpi_resource *resource,
9dd78466 1011 struct resource *p)
1da177e4 1012{
9570a20e
BH		 1013 struct acpi_resource_memory32 *memory32 = &resource->data.memory32;
1014
aee3ad81
BH		 1015 if (pnp_resource_enabled(p)) {
1016 memory32->write_protect = p->flags & IORESOURCE_MEM_WRITEABLE ?
1017 ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
1018 memory32->minimum = p->start;
1019 memory32->maximum = p->end;
1020 memory32->alignment = 0;
1021 memory32->address_length = p->end - p->start + 1;
1022 } else {
1023 memory32->minimum = 0;
1024 memory32->alignment = 0;
1025 }
72dcc883 1026
2f53432c 1027 pnp_dbg(&dev->dev, " encode mem32 %#x-%#x write_protect %#x\n",
aee3ad81
BH		 1028 memory32->minimum,
1029 memory32->minimum + memory32->address_length - 1,
72dcc883 1030 memory32->write_protect);
1da177e4
LT		 1031}
1032
72dcc883
BH		 1033static void pnpacpi_encode_fixed_mem32(struct pnp_dev *dev,
1034 struct acpi_resource *resource,
9dd78466 1035 struct resource *p)
1da177e4 1036{
9570a20e
BH		 1037 struct acpi_resource_fixed_memory32 *fixed_memory32 = &resource->data.fixed_memory32;
1038
aee3ad81
BH		 1039 if (pnp_resource_enabled(p)) {
1040 fixed_memory32->write_protect =
1041 p->flags & IORESOURCE_MEM_WRITEABLE ?
1042 ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
1043 fixed_memory32->address = p->start;
1044 fixed_memory32->address_length = p->end - p->start + 1;
1045 } else {
1046 fixed_memory32->address = 0;
1047 fixed_memory32->address_length = 0;
1048 }
72dcc883 1049
2f53432c 1050 pnp_dbg(&dev->dev, " encode fixed_mem32 %#x-%#x write_protect %#x\n",
aee3ad81
BH		 1051 fixed_memory32->address,
1052 fixed_memory32->address + fixed_memory32->address_length - 1,
72dcc883 1053 fixed_memory32->write_protect);
1da177e4
LT		 1054}
1055
4ab55d8d 1056int pnpacpi_encode_resources(struct pnp_dev *dev, struct acpi_buffer *buffer)
1da177e4
LT		 1057{
1058 int i = 0;
1059 /* pnpacpi_build_resource_template allocates extra mem */
9dd78466 1060 int res_cnt = (buffer->length - 1) / sizeof(struct acpi_resource) - 1;
4721a4cc 1061 struct acpi_resource *resource = buffer->pointer;
1da177e4
LT		 1062 int port = 0, irq = 0, dma = 0, mem = 0;
1063
2f53432c 1064 pnp_dbg(&dev->dev, "encode %d resources\n", res_cnt);
1da177e4 1065 while (i < res_cnt) {
9dd78466 1066 switch (resource->type) {
50eca3eb 1067 case ACPI_RESOURCE_TYPE_IRQ:
72dcc883 1068 pnpacpi_encode_irq(dev, resource,
7e2cf31f 1069 pnp_get_resource(dev, IORESOURCE_IRQ, irq));
1da177e4
LT		 1070 irq++;
1071 break;
1072
50eca3eb 1073 case ACPI_RESOURCE_TYPE_DMA:
72dcc883 1074 pnpacpi_encode_dma(dev, resource,
7e2cf31f 1075 pnp_get_resource(dev, IORESOURCE_DMA, dma));
1c6e7d0a 1076 dma++;
1da177e4 1077 break;
50eca3eb 1078 case ACPI_RESOURCE_TYPE_IO:
72dcc883 1079 pnpacpi_encode_io(dev, resource,
7e2cf31f 1080 pnp_get_resource(dev, IORESOURCE_IO, port));
1c6e7d0a 1081 port++;
1da177e4 1082 break;
50eca3eb 1083 case ACPI_RESOURCE_TYPE_FIXED_IO:
72dcc883 1084 pnpacpi_encode_fixed_io(dev, resource,
7e2cf31f 1085 pnp_get_resource(dev, IORESOURCE_IO, port));
1c6e7d0a 1086 port++;
1da177e4 1087 break;
50eca3eb 1088 case ACPI_RESOURCE_TYPE_MEMORY24:
72dcc883 1089 pnpacpi_encode_mem24(dev, resource,
7e2cf31f 1090 pnp_get_resource(dev, IORESOURCE_MEM, mem));
1c6e7d0a 1091 mem++;
1da177e4 1092 break;
50eca3eb 1093 case ACPI_RESOURCE_TYPE_MEMORY32:
72dcc883 1094 pnpacpi_encode_mem32(dev, resource,
7e2cf31f 1095 pnp_get_resource(dev, IORESOURCE_MEM, mem));
1c6e7d0a 1096 mem++;
1da177e4 1097 break;
50eca3eb 1098 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
72dcc883 1099 pnpacpi_encode_fixed_mem32(dev, resource,
7e2cf31f 1100 pnp_get_resource(dev, IORESOURCE_MEM, mem));
1c6e7d0a 1101 mem++;
1da177e4 1102 break;
0af5853b 1103 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
72dcc883 1104 pnpacpi_encode_ext_irq(dev, resource,
7e2cf31f 1105 pnp_get_resource(dev, IORESOURCE_IRQ, irq));
0af5853b
LB		 1106 irq++;
1107 break;
1108 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
1109 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
1110 case ACPI_RESOURCE_TYPE_VENDOR:
1111 case ACPI_RESOURCE_TYPE_END_TAG:
1112 case ACPI_RESOURCE_TYPE_ADDRESS16:
1113 case ACPI_RESOURCE_TYPE_ADDRESS32:
1114 case ACPI_RESOURCE_TYPE_ADDRESS64:
1115 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
1116 case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
9dd78466 1117 default: /* other type */
af11cb2d
BH		 1118 dev_warn(&dev->dev, "can't encode unknown resource "
1119 "type %d\n", resource->type);
1da177e4
LT		 1120 return -EINVAL;
1121 }
1c6e7d0a
BH		 1122 resource++;
1123 i++;
1da177e4
LT		 1124 }
1125 return 0;
1126}
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