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Merge branch 'for-33' of git://repo.or.cz/linux-kbuild
[linux-2.6-block.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);
a2f809b0 126 irq = acpi_register_gsi(&dev->dev, 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 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 289
8cb24c8f
BH		 290static void pnpacpi_parse_allocated_ext_address_space(struct pnp_dev *dev,
291 struct acpi_resource *res)
292{
293 struct acpi_resource_extended_address64 *p = &res->data.ext_address64;
294
295 if (p->producer_consumer == ACPI_PRODUCER)
296 return;
297
298 if (p->resource_type == ACPI_MEMORY_RANGE)
299 pnpacpi_parse_allocated_memresource(dev,
300 p->minimum, p->address_length,
301 p->info.mem.write_protect);
302 else if (p->resource_type == ACPI_IO_RANGE)
303 pnpacpi_parse_allocated_ioresource(dev,
304 p->minimum, p->address_length,
305 p->granularity == 0xfff ? ACPI_DECODE_10 :
306 ACPI_DECODE_16);
307}
308
1da177e4 309static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
9dd78466 310 void *data)
1da177e4 311{
4ab55d8d 312 struct pnp_dev *dev = data;
9570a20e
BH		 313 struct acpi_resource_irq *irq;
314 struct acpi_resource_dma *dma;
315 struct acpi_resource_io *io;
316 struct acpi_resource_fixed_io *fixed_io;
40ab4f4c 317 struct acpi_resource_vendor_typed *vendor_typed;
9570a20e
BH		 318 struct acpi_resource_memory24 *memory24;
319 struct acpi_resource_memory32 *memory32;
320 struct acpi_resource_fixed_memory32 *fixed_memory32;
321 struct acpi_resource_extended_irq *extended_irq;
dc16f5f2 322 int i, flags;
1da177e4 323
eca008c8 324 switch (res->type) {
50eca3eb 325 case ACPI_RESOURCE_TYPE_IRQ:
dbed12da
BH		 326 /*
327 * Per spec, only one interrupt per descriptor is allowed in
328 * _CRS, but some firmware violates this, so parse them all.
329 */
9570a20e 330 irq = &res->data.irq;
5acf9141
BH		 331 if (irq->interrupt_count == 0)
332 pnp_add_irq_resource(dev, 0, IORESOURCE_DISABLED);
333 else {
334 for (i = 0; i < irq->interrupt_count; i++) {
335 pnpacpi_parse_allocated_irqresource(dev,
336 irq->interrupts[i],
337 irq->triggering,
338 irq->polarity,
339 irq->sharable);
340 }
341
342 /*
343 * The IRQ encoder puts a single interrupt in each
344 * descriptor, so if a _CRS descriptor has more than
345 * one interrupt, we won't be able to re-encode it.
346 */
347 if (pnp_can_write(dev) && irq->interrupt_count > 1) {
348 dev_warn(&dev->dev, "multiple interrupts in "
349 "_CRS descriptor; configuration can't "
350 "be changed\n");
351 dev->capabilities &= ~PNP_WRITE;
352 }
1da177e4
LT		 353 }
354 break;
355
50eca3eb 356 case ACPI_RESOURCE_TYPE_DMA:
9570a20e 357 dma = &res->data.dma;
5acf9141 358 if (dma->channel_count > 0 && dma->channels[0] != (u8) -1)
958a1fdd 359 flags = dma_flags(dev, dma->type, dma->bus_master,
dc16f5f2 360 dma->transfer);
5acf9141
BH		 361 else
362 flags = IORESOURCE_DISABLED;
363 pnp_add_dma_resource(dev, dma->channels[0], flags);
1da177e4 364 break;
0af5853b 365
50eca3eb 366 case ACPI_RESOURCE_TYPE_IO:
9570a20e 367 io = &res->data.io;
4ab55d8d 368 pnpacpi_parse_allocated_ioresource(dev,
9570a20e
BH		 369 io->minimum,
370 io->address_length,
371 io->io_decode);
1da177e4 372 break;
0af5853b
LB		 373
374 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
375 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
376 break;
377
50eca3eb 378 case ACPI_RESOURCE_TYPE_FIXED_IO:
9570a20e 379 fixed_io = &res->data.fixed_io;
4ab55d8d 380 pnpacpi_parse_allocated_ioresource(dev,
9570a20e
BH		 381 fixed_io->address,
382 fixed_io->address_length,
07d4e9af 383 ACPI_DECODE_10);
1da177e4 384 break;
0af5853b
LB		 385
386 case ACPI_RESOURCE_TYPE_VENDOR:
40ab4f4c
BH		 387 vendor_typed = &res->data.vendor_typed;
388 pnpacpi_parse_allocated_vendor(dev, vendor_typed);
0af5853b
LB		 389 break;
390
391 case ACPI_RESOURCE_TYPE_END_TAG:
392 break;
393
50eca3eb 394 case ACPI_RESOURCE_TYPE_MEMORY24:
9570a20e 395 memory24 = &res->data.memory24;
4ab55d8d 396 pnpacpi_parse_allocated_memresource(dev,
9570a20e
BH		 397 memory24->minimum,
398 memory24->address_length,
399 memory24->write_protect);
1da177e4 400 break;
50eca3eb 401 case ACPI_RESOURCE_TYPE_MEMORY32:
9570a20e 402 memory32 = &res->data.memory32;
4ab55d8d 403 pnpacpi_parse_allocated_memresource(dev,
9570a20e
BH		 404 memory32->minimum,
405 memory32->address_length,
406 memory32->write_protect);
1da177e4 407 break;
50eca3eb 408 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
9570a20e 409 fixed_memory32 = &res->data.fixed_memory32;
4ab55d8d 410 pnpacpi_parse_allocated_memresource(dev,
9570a20e
BH		 411 fixed_memory32->address,
412 fixed_memory32->address_length,
413 fixed_memory32->write_protect);
1da177e4 414 break;
50eca3eb 415 case ACPI_RESOURCE_TYPE_ADDRESS16:
50eca3eb 416 case ACPI_RESOURCE_TYPE_ADDRESS32:
50eca3eb 417 case ACPI_RESOURCE_TYPE_ADDRESS64:
4ab55d8d 418 pnpacpi_parse_allocated_address_space(dev, res);
1da177e4 419 break;
0af5853b
LB		 420
421 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
8cb24c8f 422 pnpacpi_parse_allocated_ext_address_space(dev, res);
0af5853b
LB		 423 break;
424
425 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
9570a20e 426 extended_irq = &res->data.extended_irq;
2b8de5f5 427
5acf9141
BH		 428 if (extended_irq->interrupt_count == 0)
429 pnp_add_irq_resource(dev, 0, IORESOURCE_DISABLED);
430 else {
431 for (i = 0; i < extended_irq->interrupt_count; i++) {
432 pnpacpi_parse_allocated_irqresource(dev,
433 extended_irq->interrupts[i],
434 extended_irq->triggering,
435 extended_irq->polarity,
436 extended_irq->sharable);
437 }
438
439 /*
440 * The IRQ encoder puts a single interrupt in each
441 * descriptor, so if a _CRS descriptor has more than
442 * one interrupt, we won't be able to re-encode it.
443 */
444 if (pnp_can_write(dev) &&
445 extended_irq->interrupt_count > 1) {
446 dev_warn(&dev->dev, "multiple interrupts in "
447 "_CRS descriptor; configuration can't "
448 "be changed\n");
449 dev->capabilities &= ~PNP_WRITE;
450 }
0af5853b
LB		 451 }
452 break;
453
454 case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
1da177e4 455 break;
0af5853b 456
1da177e4 457 default:
af11cb2d
BH		 458 dev_warn(&dev->dev, "unknown resource type %d in _CRS\n",
459 res->type);
1da177e4
LT		 460 return AE_ERROR;
461 }
1c6e7d0a 462
1da177e4
LT		 463 return AE_OK;
464}
465
d152cf5d 466int pnpacpi_parse_allocated_resource(struct pnp_dev *dev)
1da177e4 467{
c4da6940
BH		 468 struct acpi_device *acpi_dev = dev->data;
469 acpi_handle handle = acpi_dev->handle;
d152cf5d 470 acpi_status status;
4ab55d8d 471
2f53432c 472 pnp_dbg(&dev->dev, "parse allocated resources\n");
72dcc883 473
f4490002 474 pnp_init_resources(dev);
1da177e4 475
d152cf5d
BH		 476 status = acpi_walk_resources(handle, METHOD_NAME__CRS,
477 pnpacpi_allocated_resource, dev);
478
479 if (ACPI_FAILURE(status)) {
480 if (status != AE_NOT_FOUND)
481 dev_err(&dev->dev, "can't evaluate _CRS: %d", status);
482 return -EPERM;
483 }
484 return 0;
1da177e4
LT		 485}
486
c1caf06c 487static __init void pnpacpi_parse_dma_option(struct pnp_dev *dev,
1f32ca31 488 unsigned int option_flags,
2bb9a6b3 489 struct acpi_resource_dma *p)
1da177e4
LT		 490{
491 int i;
c227536b 492 unsigned char map = 0, flags;
1da177e4 493
50eca3eb 494 if (p->channel_count == 0)
1da177e4 495 return;
1da177e4 496
9dd78466 497 for (i = 0; i < p->channel_count; i++)
c227536b 498 map |= 1 << p->channels[i];
1da177e4 499
958a1fdd 500 flags = dma_flags(dev, p->type, p->bus_master, p->transfer);
1f32ca31 501 pnp_register_dma_resource(dev, option_flags, map, flags);
1da177e4
LT		 502}
503
c1caf06c 504static __init void pnpacpi_parse_irq_option(struct pnp_dev *dev,
1f32ca31 505 unsigned int option_flags,
2bb9a6b3 506 struct acpi_resource_irq *p)
1da177e4
LT		 507{
508 int i;
c227536b
BH		 509 pnp_irq_mask_t map;
510 unsigned char flags;
1c6e7d0a 511
50eca3eb 512 if (p->interrupt_count == 0)
1da177e4 513 return;
1da177e4 514
c227536b 515 bitmap_zero(map.bits, PNP_IRQ_NR);
9dd78466 516 for (i = 0; i < p->interrupt_count; i++)
1da177e4 517 if (p->interrupts[i])
c227536b 518 __set_bit(p->interrupts[i], map.bits);
1da177e4 519
c227536b 520 flags = irq_flags(p->triggering, p->polarity, p->sharable);
1f32ca31 521 pnp_register_irq_resource(dev, option_flags, &map, flags);
1da177e4
LT		 522}
523
c1caf06c 524static __init void pnpacpi_parse_ext_irq_option(struct pnp_dev *dev,
1f32ca31 525 unsigned int option_flags,
2bb9a6b3 526 struct acpi_resource_extended_irq *p)
1da177e4
LT		 527{
528 int i;
c227536b
BH		 529 pnp_irq_mask_t map;
530 unsigned char flags;
1da177e4 531
50eca3eb 532 if (p->interrupt_count == 0)
1da177e4 533 return;
1da177e4 534
c227536b 535 bitmap_zero(map.bits, PNP_IRQ_NR);
fe2cf598
BH		 536 for (i = 0; i < p->interrupt_count; i++) {
537 if (p->interrupts[i]) {
538 if (p->interrupts[i] < PNP_IRQ_NR)
539 __set_bit(p->interrupts[i], map.bits);
540 else
541 dev_err(&dev->dev, "ignoring IRQ %d option "
542 "(too large for %d entry bitmap)\n",
543 p->interrupts[i], PNP_IRQ_NR);
544 }
545 }
1da177e4 546
c227536b 547 flags = irq_flags(p->triggering, p->polarity, p->sharable);
1f32ca31 548 pnp_register_irq_resource(dev, option_flags, &map, flags);
1da177e4
LT		 549}
550
c1caf06c 551static __init void pnpacpi_parse_port_option(struct pnp_dev *dev,
1f32ca31 552 unsigned int option_flags,
2bb9a6b3 553 struct acpi_resource_io *io)
1da177e4 554{
c227536b 555 unsigned char flags = 0;
1da177e4 556
50eca3eb 557 if (io->address_length == 0)
1da177e4 558 return;
c227536b
BH		 559
560 if (io->io_decode == ACPI_DECODE_16)
561 flags = IORESOURCE_IO_16BIT_ADDR;
1f32ca31 562 pnp_register_port_resource(dev, option_flags, io->minimum, io->maximum,
c227536b 563 io->alignment, io->address_length, flags);
1da177e4
LT		 564}
565
c1caf06c 566static __init void pnpacpi_parse_fixed_port_option(struct pnp_dev *dev,
1f32ca31 567 unsigned int option_flags,
2bb9a6b3 568 struct acpi_resource_fixed_io *io)
1da177e4 569{
50eca3eb 570 if (io->address_length == 0)
1da177e4 571 return;
c227536b 572
1f32ca31
BH		 573 pnp_register_port_resource(dev, option_flags, io->address, io->address,
574 0, io->address_length, IORESOURCE_IO_FIXED);
1da177e4
LT		 575}
576
c1caf06c 577static __init void pnpacpi_parse_mem24_option(struct pnp_dev *dev,
1f32ca31 578 unsigned int option_flags,
2bb9a6b3 579 struct acpi_resource_memory24 *p)
1da177e4 580{
c227536b 581 unsigned char flags = 0;
1da177e4 582
50eca3eb 583 if (p->address_length == 0)
1da177e4 584 return;
1da177e4 585
c227536b
BH		 586 if (p->write_protect == ACPI_READ_WRITE_MEMORY)
587 flags = IORESOURCE_MEM_WRITEABLE;
1f32ca31 588 pnp_register_mem_resource(dev, option_flags, p->minimum, p->maximum,
c227536b 589 p->alignment, p->address_length, flags);
1da177e4
LT		 590}
591
c1caf06c 592static __init void pnpacpi_parse_mem32_option(struct pnp_dev *dev,
1f32ca31 593 unsigned int option_flags,
2bb9a6b3 594 struct acpi_resource_memory32 *p)
1da177e4 595{
c227536b 596 unsigned char flags = 0;
1da177e4 597
50eca3eb 598 if (p->address_length == 0)
1da177e4 599 return;
1da177e4 600
c227536b
BH		 601 if (p->write_protect == ACPI_READ_WRITE_MEMORY)
602 flags = IORESOURCE_MEM_WRITEABLE;
1f32ca31 603 pnp_register_mem_resource(dev, option_flags, p->minimum, p->maximum,
c227536b 604 p->alignment, p->address_length, flags);
1da177e4
LT		 605}
606
c1caf06c 607static __init void pnpacpi_parse_fixed_mem32_option(struct pnp_dev *dev,
1f32ca31 608 unsigned int option_flags,
2bb9a6b3 609 struct acpi_resource_fixed_memory32 *p)
1da177e4 610{
c227536b 611 unsigned char flags = 0;
1da177e4 612
50eca3eb 613 if (p->address_length == 0)
1da177e4 614 return;
1da177e4 615
c227536b
BH		 616 if (p->write_protect == ACPI_READ_WRITE_MEMORY)
617 flags = IORESOURCE_MEM_WRITEABLE;
1f32ca31 618 pnp_register_mem_resource(dev, option_flags, p->address, p->address,
c227536b 619 0, p->address_length, flags);
1da177e4
LT		 620}
621
c1caf06c 622static __init void pnpacpi_parse_address_option(struct pnp_dev *dev,
1f32ca31 623 unsigned int option_flags,
2bb9a6b3 624 struct acpi_resource *r)
6f957eaf
BH		 625{
626 struct acpi_resource_address64 addr, *p = &addr;
627 acpi_status status;
c227536b 628 unsigned char flags = 0;
6f957eaf
BH		 629
630 status = acpi_resource_to_address64(r, p);
958a1fdd
BH		 631 if (ACPI_FAILURE(status)) {
632 dev_warn(&dev->dev, "can't convert resource type %d\n",
9dd78466 633 r->type);
6f957eaf
BH		 634 return;
635 }
636
637 if (p->address_length == 0)
638 return;
639
640 if (p->resource_type == ACPI_MEMORY_RANGE) {
c227536b
BH		 641 if (p->info.mem.write_protect == ACPI_READ_WRITE_MEMORY)
642 flags = IORESOURCE_MEM_WRITEABLE;
1f32ca31
BH		 643 pnp_register_mem_resource(dev, option_flags, p->minimum,
644 p->minimum, 0, p->address_length,
645 flags);
c227536b 646 } else if (p->resource_type == ACPI_IO_RANGE)
1f32ca31
BH		 647 pnp_register_port_resource(dev, option_flags, p->minimum,
648 p->minimum, 0, p->address_length,
c227536b 649 IORESOURCE_IO_FIXED);
6f957eaf
BH		 650}
651
8cb24c8f
BH		 652static __init void pnpacpi_parse_ext_address_option(struct pnp_dev *dev,
653 unsigned int option_flags,
654 struct acpi_resource *r)
655{
656 struct acpi_resource_extended_address64 *p = &r->data.ext_address64;
657 unsigned char flags = 0;
658
659 if (p->address_length == 0)
660 return;
661
662 if (p->resource_type == ACPI_MEMORY_RANGE) {
663 if (p->info.mem.write_protect == ACPI_READ_WRITE_MEMORY)
664 flags = IORESOURCE_MEM_WRITEABLE;
665 pnp_register_mem_resource(dev, option_flags, p->minimum,
666 p->minimum, 0, p->address_length,
667 flags);
668 } else if (p->resource_type == ACPI_IO_RANGE)
669 pnp_register_port_resource(dev, option_flags, p->minimum,
670 p->minimum, 0, p->address_length,
671 IORESOURCE_IO_FIXED);
672}
673
1da177e4 674struct acpipnp_parse_option_s {
1da177e4 675 struct pnp_dev *dev;
1f32ca31 676 unsigned int option_flags;
1da177e4
LT		 677};
678
2bb9a6b3
TR		 679static __init acpi_status pnpacpi_option_resource(struct acpi_resource *res,
680 void *data)
1da177e4 681{
e2a1a6f1 682 int priority;
4721a4cc 683 struct acpipnp_parse_option_s *parse_data = data;
1da177e4 684 struct pnp_dev *dev = parse_data->dev;
1f32ca31 685 unsigned int option_flags = parse_data->option_flags;
1da177e4 686
eca008c8 687 switch (res->type) {
9dd78466 688 case ACPI_RESOURCE_TYPE_IRQ:
1f32ca31 689 pnpacpi_parse_irq_option(dev, option_flags, &res->data.irq);
9dd78466 690 break;
0af5853b 691
9dd78466 692 case ACPI_RESOURCE_TYPE_DMA:
1f32ca31 693 pnpacpi_parse_dma_option(dev, option_flags, &res->data.dma);
9dd78466 694 break;
0af5853b 695
9dd78466
BH		 696 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
697 switch (res->data.start_dpf.compatibility_priority) {
698 case ACPI_GOOD_CONFIGURATION:
699 priority = PNP_RES_PRIORITY_PREFERRED;
1da177e4 700 break;
0af5853b 701
9dd78466
BH		 702 case ACPI_ACCEPTABLE_CONFIGURATION:
703 priority = PNP_RES_PRIORITY_ACCEPTABLE;
b008b8d7 704 break;
0af5853b 705
9dd78466
BH		 706 case ACPI_SUB_OPTIMAL_CONFIGURATION:
707 priority = PNP_RES_PRIORITY_FUNCTIONAL;
0af5853b 708 break;
9dd78466
BH		 709 default:
710 priority = PNP_RES_PRIORITY_INVALID;
0af5853b 711 break;
9dd78466 712 }
1f32ca31 713 parse_data->option_flags = pnp_new_dependent_set(dev, priority);
9dd78466 714 break;
0af5853b 715
9dd78466 716 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
1f32ca31 717 parse_data->option_flags = 0;
9dd78466 718 break;
0af5853b 719
9dd78466 720 case ACPI_RESOURCE_TYPE_IO:
1f32ca31 721 pnpacpi_parse_port_option(dev, option_flags, &res->data.io);
9dd78466 722 break;
0af5853b 723
9dd78466 724 case ACPI_RESOURCE_TYPE_FIXED_IO:
1f32ca31 725 pnpacpi_parse_fixed_port_option(dev, option_flags,
c1caf06c 726 &res->data.fixed_io);
9dd78466 727 break;
0af5853b 728
9dd78466
BH		 729 case ACPI_RESOURCE_TYPE_VENDOR:
730 case ACPI_RESOURCE_TYPE_END_TAG:
731 break;
0af5853b 732
9dd78466 733 case ACPI_RESOURCE_TYPE_MEMORY24:
1f32ca31
BH		 734 pnpacpi_parse_mem24_option(dev, option_flags,
735 &res->data.memory24);
9dd78466 736 break;
0af5853b 737
9dd78466 738 case ACPI_RESOURCE_TYPE_MEMORY32:
1f32ca31
BH		 739 pnpacpi_parse_mem32_option(dev, option_flags,
740 &res->data.memory32);
9dd78466 741 break;
0af5853b 742
9dd78466 743 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
1f32ca31 744 pnpacpi_parse_fixed_mem32_option(dev, option_flags,
9dd78466
BH		 745 &res->data.fixed_memory32);
746 break;
0af5853b 747
9dd78466
BH		 748 case ACPI_RESOURCE_TYPE_ADDRESS16:
749 case ACPI_RESOURCE_TYPE_ADDRESS32:
750 case ACPI_RESOURCE_TYPE_ADDRESS64:
1f32ca31 751 pnpacpi_parse_address_option(dev, option_flags, res);
9dd78466 752 break;
0af5853b 753
9dd78466 754 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
8cb24c8f 755 pnpacpi_parse_ext_address_option(dev, option_flags, res);
9dd78466
BH		 756 break;
757
758 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
1f32ca31 759 pnpacpi_parse_ext_irq_option(dev, option_flags,
c1caf06c 760 &res->data.extended_irq);
9dd78466
BH		 761 break;
762
763 case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
764 break;
765
766 default:
af11cb2d
BH		 767 dev_warn(&dev->dev, "unknown resource type %d in _PRS\n",
768 res->type);
9dd78466 769 return AE_ERROR;
1da177e4 770 }
1c6e7d0a 771
1da177e4
LT		 772 return AE_OK;
773}
774
d152cf5d 775int __init pnpacpi_parse_resource_option_data(struct pnp_dev *dev)
1da177e4 776{
c4da6940
BH		 777 struct acpi_device *acpi_dev = dev->data;
778 acpi_handle handle = acpi_dev->handle;
1da177e4
LT		 779 acpi_status status;
780 struct acpipnp_parse_option_s parse_data;
781
2f53432c 782 pnp_dbg(&dev->dev, "parse resource options\n");
72dcc883 783
1da177e4 784 parse_data.dev = dev;
1f32ca31
BH		 785 parse_data.option_flags = 0;
786
50eca3eb 787 status = acpi_walk_resources(handle, METHOD_NAME__PRS,
9dd78466 788 pnpacpi_option_resource, &parse_data);
1da177e4 789
d152cf5d
BH		 790 if (ACPI_FAILURE(status)) {
791 if (status != AE_NOT_FOUND)
792 dev_err(&dev->dev, "can't evaluate _PRS: %d", status);
793 return -EPERM;
794 }
795 return 0;
1da177e4
LT		 796}
797
b5f2490b 798static int pnpacpi_supported_resource(struct acpi_resource *res)
1da177e4 799{
eca008c8 800 switch (res->type) {
50eca3eb 801 case ACPI_RESOURCE_TYPE_IRQ:
50eca3eb
BM		 802 case ACPI_RESOURCE_TYPE_DMA:
803 case ACPI_RESOURCE_TYPE_IO:
804 case ACPI_RESOURCE_TYPE_FIXED_IO:
805 case ACPI_RESOURCE_TYPE_MEMORY24:
806 case ACPI_RESOURCE_TYPE_MEMORY32:
807 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
50eca3eb
BM		 808 case ACPI_RESOURCE_TYPE_ADDRESS16:
809 case ACPI_RESOURCE_TYPE_ADDRESS32:
810 case ACPI_RESOURCE_TYPE_ADDRESS64:
8cb24c8f 811 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
0af5853b 812 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
b5f2490b 813 return 1;
1da177e4 814 }
b5f2490b
BH		 815 return 0;
816}
817
818/*
819 * Set resource
820 */
821static acpi_status pnpacpi_count_resources(struct acpi_resource *res,
9dd78466 822 void *data)
b5f2490b 823{
4721a4cc 824 int *res_cnt = data;
b5f2490b
BH		 825
826 if (pnpacpi_supported_resource(res))
827 (*res_cnt)++;
1da177e4
LT		 828 return AE_OK;
829}
830
1c6e7d0a 831static acpi_status pnpacpi_type_resources(struct acpi_resource *res, void *data)
1da177e4 832{
4721a4cc 833 struct acpi_resource **resource = data;
b5f2490b
BH		 834
835 if (pnpacpi_supported_resource(res)) {
eca008c8 836 (*resource)->type = res->type;
b5f2490b 837 (*resource)->length = sizeof(struct acpi_resource);
36d872a3
BH		 838 if (res->type == ACPI_RESOURCE_TYPE_IRQ)
839 (*resource)->data.irq.descriptor_length =
840 res->data.irq.descriptor_length;
1da177e4 841 (*resource)++;
1da177e4
LT		 842 }
843
844 return AE_OK;
845}
846
cdef6254 847int pnpacpi_build_resource_template(struct pnp_dev *dev,
9dd78466 848 struct acpi_buffer *buffer)
1da177e4 849{
c4da6940
BH		 850 struct acpi_device *acpi_dev = dev->data;
851 acpi_handle handle = acpi_dev->handle;
1da177e4
LT		 852 struct acpi_resource *resource;
853 int res_cnt = 0;
854 acpi_status status;
855
50eca3eb 856 status = acpi_walk_resources(handle, METHOD_NAME__CRS,
9dd78466 857 pnpacpi_count_resources, &res_cnt);
1da177e4 858 if (ACPI_FAILURE(status)) {
d152cf5d 859 dev_err(&dev->dev, "can't evaluate _CRS: %d\n", status);
1da177e4
LT		 860 return -EINVAL;
861 }
862 if (!res_cnt)
863 return -EINVAL;
864 buffer->length = sizeof(struct acpi_resource) * (res_cnt + 1) + 1;
cd861280 865 buffer->pointer = kzalloc(buffer->length - 1, GFP_KERNEL);
1da177e4
LT		 866 if (!buffer->pointer)
867 return -ENOMEM;
72dcc883 868
1da177e4 869 resource = (struct acpi_resource *)buffer->pointer;
50eca3eb 870 status = acpi_walk_resources(handle, METHOD_NAME__CRS,
9dd78466 871 pnpacpi_type_resources, &resource);
1da177e4
LT		 872 if (ACPI_FAILURE(status)) {
873 kfree(buffer->pointer);
d152cf5d 874 dev_err(&dev->dev, "can't evaluate _CRS: %d\n", status);
1da177e4
LT		 875 return -EINVAL;
876 }
877 /* resource will pointer the end resource now */
50eca3eb 878 resource->type = ACPI_RESOURCE_TYPE_END_TAG;
1da177e4
LT		 879
880 return 0;
881}
882
72dcc883
BH		 883static void pnpacpi_encode_irq(struct pnp_dev *dev,
884 struct acpi_resource *resource,
9dd78466 885 struct resource *p)
1da177e4 886{
9570a20e 887 struct acpi_resource_irq *irq = &resource->data.irq;
a993273b 888 int triggering, polarity, shareable;
1c6e7d0a 889
aee3ad81
BH		 890 if (!pnp_resource_enabled(p)) {
891 irq->interrupt_count = 0;
2f53432c 892 pnp_dbg(&dev->dev, " encode irq (%s)\n",
aee3ad81
BH		 893 p ? "disabled" : "missing");
894 return;
895 }
896
a993273b 897 decode_irq_flags(dev, p->flags, &triggering, &polarity, &shareable);
9570a20e
BH		 898 irq->triggering = triggering;
899 irq->polarity = polarity;
a993273b 900 irq->sharable = shareable;
9570a20e
BH		 901 irq->interrupt_count = 1;
902 irq->interrupts[0] = p->start;
72dcc883 903
2f53432c 904 pnp_dbg(&dev->dev, " encode irq %d %s %s %s (%d-byte descriptor)\n",
36d872a3 905 (int) p->start,
72dcc883
BH		 906 triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge",
907 polarity == ACPI_ACTIVE_LOW ? "low" : "high",
36d872a3
BH		 908 irq->sharable == ACPI_SHARED ? "shared" : "exclusive",
909 irq->descriptor_length);
1da177e4
LT		 910}
911
72dcc883
BH		 912static void pnpacpi_encode_ext_irq(struct pnp_dev *dev,
913 struct acpi_resource *resource,
9dd78466 914 struct resource *p)
1da177e4 915{
9570a20e 916 struct acpi_resource_extended_irq *extended_irq = &resource->data.extended_irq;
a993273b 917 int triggering, polarity, shareable;
1c6e7d0a 918
aee3ad81
BH		 919 if (!pnp_resource_enabled(p)) {
920 extended_irq->interrupt_count = 0;
2f53432c 921 pnp_dbg(&dev->dev, " encode extended irq (%s)\n",
aee3ad81
BH		 922 p ? "disabled" : "missing");
923 return;
924 }
925
a993273b 926 decode_irq_flags(dev, p->flags, &triggering, &polarity, &shareable);
9570a20e
BH		 927 extended_irq->producer_consumer = ACPI_CONSUMER;
928 extended_irq->triggering = triggering;
929 extended_irq->polarity = polarity;
a993273b 930 extended_irq->sharable = shareable;
9570a20e
BH		 931 extended_irq->interrupt_count = 1;
932 extended_irq->interrupts[0] = p->start;
72dcc883 933
2f53432c 934 pnp_dbg(&dev->dev, " encode irq %d %s %s %s\n", (int) p->start,
72dcc883
BH		 935 triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge",
936 polarity == ACPI_ACTIVE_LOW ? "low" : "high",
937 extended_irq->sharable == ACPI_SHARED ? "shared" : "exclusive");
1da177e4
LT		 938}
939
72dcc883
BH		 940static void pnpacpi_encode_dma(struct pnp_dev *dev,
941 struct acpi_resource *resource,
9dd78466 942 struct resource *p)
1da177e4 943{
9570a20e
BH		 944 struct acpi_resource_dma *dma = &resource->data.dma;
945
aee3ad81
BH		 946 if (!pnp_resource_enabled(p)) {
947 dma->channel_count = 0;
2f53432c 948 pnp_dbg(&dev->dev, " encode dma (%s)\n",
aee3ad81
BH		 949 p ? "disabled" : "missing");
950 return;
951 }
952
1da177e4 953 /* Note: pnp_assign_dma will copy pnp_dma->flags into p->flags */
ccc4c7bb 954 switch (p->flags & IORESOURCE_DMA_SPEED_MASK) {
9dd78466 955 case IORESOURCE_DMA_TYPEA:
9570a20e 956 dma->type = ACPI_TYPE_A;
9dd78466
BH		 957 break;
958 case IORESOURCE_DMA_TYPEB:
9570a20e 959 dma->type = ACPI_TYPE_B;
9dd78466
BH		 960 break;
961 case IORESOURCE_DMA_TYPEF:
9570a20e 962 dma->type = ACPI_TYPE_F;
9dd78466
BH		 963 break;
964 default:
9570a20e 965 dma->type = ACPI_COMPATIBILITY;
ccc4c7bb
VP		 966 }
967
968 switch (p->flags & IORESOURCE_DMA_TYPE_MASK) {
9dd78466 969 case IORESOURCE_DMA_8BIT:
9570a20e 970 dma->transfer = ACPI_TRANSFER_8;
9dd78466
BH		 971 break;
972 case IORESOURCE_DMA_8AND16BIT:
9570a20e 973 dma->transfer = ACPI_TRANSFER_8_16;
9dd78466
BH		 974 break;
975 default:
9570a20e 976 dma->transfer = ACPI_TRANSFER_16;
ccc4c7bb
VP		 977 }
978
9570a20e
BH		 979 dma->bus_master = !!(p->flags & IORESOURCE_DMA_MASTER);
980 dma->channel_count = 1;
981 dma->channels[0] = p->start;
72dcc883 982
2f53432c 983 pnp_dbg(&dev->dev, " encode dma %d "
72dcc883
BH		 984 "type %#x transfer %#x master %d\n",
985 (int) p->start, dma->type, dma->transfer, dma->bus_master);
1da177e4
LT		 986}
987
72dcc883
BH		 988static void pnpacpi_encode_io(struct pnp_dev *dev,
989 struct acpi_resource *resource,
9dd78466 990 struct resource *p)
1da177e4 991{
9570a20e
BH		 992 struct acpi_resource_io *io = &resource->data.io;
993
aee3ad81
BH		 994 if (pnp_resource_enabled(p)) {
995 /* Note: pnp_assign_port copies pnp_port->flags into p->flags */
08c9f262 996 io->io_decode = (p->flags & IORESOURCE_IO_16BIT_ADDR) ?
aee3ad81
BH		 997 ACPI_DECODE_16 : ACPI_DECODE_10;
998 io->minimum = p->start;
999 io->maximum = p->end;
1000 io->alignment = 0; /* Correct? */
1001 io->address_length = p->end - p->start + 1;
1002 } else {
1003 io->minimum = 0;
1004 io->address_length = 0;
1005 }
72dcc883 1006
2f53432c 1007 pnp_dbg(&dev->dev, " encode io %#x-%#x decode %#x\n", io->minimum,
aee3ad81 1008 io->minimum + io->address_length - 1, io->io_decode);
1da177e4
LT		 1009}
1010
72dcc883
BH		 1011static void pnpacpi_encode_fixed_io(struct pnp_dev *dev,
1012 struct acpi_resource *resource,
9dd78466 1013 struct resource *p)
1da177e4 1014{
9570a20e
BH		 1015 struct acpi_resource_fixed_io *fixed_io = &resource->data.fixed_io;
1016
aee3ad81
BH		 1017 if (pnp_resource_enabled(p)) {
1018 fixed_io->address = p->start;
1019 fixed_io->address_length = p->end - p->start + 1;
1020 } else {
1021 fixed_io->address = 0;
1022 fixed_io->address_length = 0;
1023 }
72dcc883 1024
2f53432c 1025 pnp_dbg(&dev->dev, " encode fixed_io %#x-%#x\n", fixed_io->address,
aee3ad81 1026 fixed_io->address + fixed_io->address_length - 1);
1da177e4
LT		 1027}
1028
72dcc883
BH		 1029static void pnpacpi_encode_mem24(struct pnp_dev *dev,
1030 struct acpi_resource *resource,
9dd78466 1031 struct resource *p)
1da177e4 1032{
9570a20e
BH		 1033 struct acpi_resource_memory24 *memory24 = &resource->data.memory24;
1034
aee3ad81
BH		 1035 if (pnp_resource_enabled(p)) {
1036 /* Note: pnp_assign_mem copies pnp_mem->flags into p->flags */
1037 memory24->write_protect = p->flags & IORESOURCE_MEM_WRITEABLE ?
1038 ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
1039 memory24->minimum = p->start;
1040 memory24->maximum = p->end;
1041 memory24->alignment = 0;
1042 memory24->address_length = p->end - p->start + 1;
1043 } else {
1044 memory24->minimum = 0;
1045 memory24->address_length = 0;
1046 }
1047
2f53432c 1048 pnp_dbg(&dev->dev, " encode mem24 %#x-%#x write_protect %#x\n",
aee3ad81
BH		 1049 memory24->minimum,
1050 memory24->minimum + memory24->address_length - 1,
72dcc883 1051 memory24->write_protect);
1da177e4
LT		 1052}
1053
72dcc883
BH		 1054static void pnpacpi_encode_mem32(struct pnp_dev *dev,
1055 struct acpi_resource *resource,
9dd78466 1056 struct resource *p)
1da177e4 1057{
9570a20e
BH		 1058 struct acpi_resource_memory32 *memory32 = &resource->data.memory32;
1059
aee3ad81
BH		 1060 if (pnp_resource_enabled(p)) {
1061 memory32->write_protect = p->flags & IORESOURCE_MEM_WRITEABLE ?
1062 ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
1063 memory32->minimum = p->start;
1064 memory32->maximum = p->end;
1065 memory32->alignment = 0;
1066 memory32->address_length = p->end - p->start + 1;
1067 } else {
1068 memory32->minimum = 0;
1069 memory32->alignment = 0;
1070 }
72dcc883 1071
2f53432c 1072 pnp_dbg(&dev->dev, " encode mem32 %#x-%#x write_protect %#x\n",
aee3ad81
BH		 1073 memory32->minimum,
1074 memory32->minimum + memory32->address_length - 1,
72dcc883 1075 memory32->write_protect);
1da177e4
LT		 1076}
1077
72dcc883
BH		 1078static void pnpacpi_encode_fixed_mem32(struct pnp_dev *dev,
1079 struct acpi_resource *resource,
9dd78466 1080 struct resource *p)
1da177e4 1081{
9570a20e
BH		 1082 struct acpi_resource_fixed_memory32 *fixed_memory32 = &resource->data.fixed_memory32;
1083
aee3ad81
BH		 1084 if (pnp_resource_enabled(p)) {
1085 fixed_memory32->write_protect =
1086 p->flags & IORESOURCE_MEM_WRITEABLE ?
1087 ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
1088 fixed_memory32->address = p->start;
1089 fixed_memory32->address_length = p->end - p->start + 1;
1090 } else {
1091 fixed_memory32->address = 0;
1092 fixed_memory32->address_length = 0;
1093 }
72dcc883 1094
2f53432c 1095 pnp_dbg(&dev->dev, " encode fixed_mem32 %#x-%#x write_protect %#x\n",
aee3ad81
BH		 1096 fixed_memory32->address,
1097 fixed_memory32->address + fixed_memory32->address_length - 1,
72dcc883 1098 fixed_memory32->write_protect);
1da177e4
LT		 1099}
1100
4ab55d8d 1101int pnpacpi_encode_resources(struct pnp_dev *dev, struct acpi_buffer *buffer)
1da177e4
LT		 1102{
1103 int i = 0;
1104 /* pnpacpi_build_resource_template allocates extra mem */
9dd78466 1105 int res_cnt = (buffer->length - 1) / sizeof(struct acpi_resource) - 1;
4721a4cc 1106 struct acpi_resource *resource = buffer->pointer;
1da177e4
LT		 1107 int port = 0, irq = 0, dma = 0, mem = 0;
1108
2f53432c 1109 pnp_dbg(&dev->dev, "encode %d resources\n", res_cnt);
1da177e4 1110 while (i < res_cnt) {
9dd78466 1111 switch (resource->type) {
50eca3eb 1112 case ACPI_RESOURCE_TYPE_IRQ:
72dcc883 1113 pnpacpi_encode_irq(dev, resource,
7e2cf31f 1114 pnp_get_resource(dev, IORESOURCE_IRQ, irq));
1da177e4
LT		 1115 irq++;
1116 break;
1117
50eca3eb 1118 case ACPI_RESOURCE_TYPE_DMA:
72dcc883 1119 pnpacpi_encode_dma(dev, resource,
7e2cf31f 1120 pnp_get_resource(dev, IORESOURCE_DMA, dma));
1c6e7d0a 1121 dma++;
1da177e4 1122 break;
50eca3eb 1123 case ACPI_RESOURCE_TYPE_IO:
72dcc883 1124 pnpacpi_encode_io(dev, resource,
7e2cf31f 1125 pnp_get_resource(dev, IORESOURCE_IO, port));
1c6e7d0a 1126 port++;
1da177e4 1127 break;
50eca3eb 1128 case ACPI_RESOURCE_TYPE_FIXED_IO:
72dcc883 1129 pnpacpi_encode_fixed_io(dev, resource,
7e2cf31f 1130 pnp_get_resource(dev, IORESOURCE_IO, port));
1c6e7d0a 1131 port++;
1da177e4 1132 break;
50eca3eb 1133 case ACPI_RESOURCE_TYPE_MEMORY24:
72dcc883 1134 pnpacpi_encode_mem24(dev, resource,
7e2cf31f 1135 pnp_get_resource(dev, IORESOURCE_MEM, mem));
1c6e7d0a 1136 mem++;
1da177e4 1137 break;
50eca3eb 1138 case ACPI_RESOURCE_TYPE_MEMORY32:
72dcc883 1139 pnpacpi_encode_mem32(dev, resource,
7e2cf31f 1140 pnp_get_resource(dev, IORESOURCE_MEM, mem));
1c6e7d0a 1141 mem++;
1da177e4 1142 break;
50eca3eb 1143 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
72dcc883 1144 pnpacpi_encode_fixed_mem32(dev, resource,
7e2cf31f 1145 pnp_get_resource(dev, IORESOURCE_MEM, mem));
1c6e7d0a 1146 mem++;
1da177e4 1147 break;
0af5853b 1148 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
72dcc883 1149 pnpacpi_encode_ext_irq(dev, resource,
7e2cf31f 1150 pnp_get_resource(dev, IORESOURCE_IRQ, irq));
0af5853b
LB		 1151 irq++;
1152 break;
1153 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
1154 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
1155 case ACPI_RESOURCE_TYPE_VENDOR:
1156 case ACPI_RESOURCE_TYPE_END_TAG:
1157 case ACPI_RESOURCE_TYPE_ADDRESS16:
1158 case ACPI_RESOURCE_TYPE_ADDRESS32:
1159 case ACPI_RESOURCE_TYPE_ADDRESS64:
1160 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
1161 case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
9dd78466 1162 default: /* other type */
af11cb2d
BH		 1163 dev_warn(&dev->dev, "can't encode unknown resource "
1164 "type %d\n", resource->type);
1da177e4
LT		 1165 return -EINVAL;
1166 }
1c6e7d0a
BH		 1167 resource++;
1168 i++;
1da177e4
LT		 1169 }
1170 return 0;
1171}
Linux 6.x block layer and io_uring tree(s)