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PNPACPI: add bus number support
[net-next-2.6.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 179static void pnpacpi_parse_allocated_ioresource(struct pnp_dev *dev, u64 start,
fa35b492
BH		 180 u64 len, int io_decode,
181 int window)
1da177e4 182{
cc8c2e30
BH		 183 int flags = 0;
184 u64 end = start + len - 1;
07d4e9af 185
cc8c2e30 186 if (io_decode == ACPI_DECODE_16)
08c9f262 187 flags |= IORESOURCE_IO_16BIT_ADDR;
cc8c2e30
BH		 188 if (len == 0 || end >= 0x10003)
189 flags |= IORESOURCE_DISABLED;
fa35b492
BH		 190 if (window)
191 flags |= IORESOURCE_WINDOW;
cc8c2e30
BH		 192
193 pnp_add_io_resource(dev, start, end, flags);
1da177e4
LT		 194}
195
40ab4f4c
BH		 196/*
197 * Device CSRs that do not appear in PCI config space should be described
198 * via ACPI. This would normally be done with Address Space Descriptors
199 * marked as "consumer-only," but old versions of Windows and Linux ignore
200 * the producer/consumer flag, so HP invented a vendor-defined resource to
201 * describe the location and size of CSR space.
202 */
203static struct acpi_vendor_uuid hp_ccsr_uuid = {
204 .subtype = 2,
205 .data = { 0xf9, 0xad, 0xe9, 0x69, 0x4f, 0x92, 0x5f, 0xab, 0xf6, 0x4a,
206 0x24, 0xd2, 0x01, 0x37, 0x0e, 0xad },
207};
208
209static int vendor_resource_matches(struct pnp_dev *dev,
210 struct acpi_resource_vendor_typed *vendor,
211 struct acpi_vendor_uuid *match,
212 int expected_len)
213{
214 int uuid_len = sizeof(vendor->uuid);
215 u8 uuid_subtype = vendor->uuid_subtype;
216 u8 *uuid = vendor->uuid;
217 int actual_len;
218
219 /* byte_length includes uuid_subtype and uuid */
220 actual_len = vendor->byte_length - uuid_len - 1;
221
222 if (uuid_subtype == match->subtype &&
223 uuid_len == sizeof(match->data) &&
224 memcmp(uuid, match->data, uuid_len) == 0) {
225 if (expected_len && expected_len != actual_len) {
226 dev_err(&dev->dev, "wrong vendor descriptor size; "
227 "expected %d, found %d bytes\n",
228 expected_len, actual_len);
229 return 0;
230 }
231
232 return 1;
233 }
234
235 return 0;
236}
237
238static void pnpacpi_parse_allocated_vendor(struct pnp_dev *dev,
239 struct acpi_resource_vendor_typed *vendor)
240{
241 if (vendor_resource_matches(dev, vendor, &hp_ccsr_uuid, 16)) {
242 u64 start, length;
243
244 memcpy(&start, vendor->byte_data, sizeof(start));
245 memcpy(&length, vendor->byte_data + 8, sizeof(length));
246
247 pnp_add_mem_resource(dev, start, start + length - 1, 0);
248 }
249}
250
4ab55d8d 251static void pnpacpi_parse_allocated_memresource(struct pnp_dev *dev,
d6180f36 252 u64 start, u64 len,
fa35b492 253 int write_protect, int window)
1da177e4 254{
d6180f36
BH		 255 int flags = 0;
256 u64 end = start + len - 1;
257
258 if (len == 0)
259 flags |= IORESOURCE_DISABLED;
260 if (write_protect == ACPI_READ_WRITE_MEMORY)
261 flags |= IORESOURCE_MEM_WRITEABLE;
fa35b492
BH		 262 if (window)
263 flags |= IORESOURCE_WINDOW;
d6180f36
BH		 264
265 pnp_add_mem_resource(dev, start, end, flags);
1da177e4
LT		 266}
267
7e0e9c04
BH		 268static void pnpacpi_parse_allocated_busresource(struct pnp_dev *dev,
269 u64 start, u64 len)
270{
271 u64 end = start + len - 1;
272
273 pnp_add_bus_resource(dev, start, end);
274}
275
4ab55d8d 276static void pnpacpi_parse_allocated_address_space(struct pnp_dev *dev,
07d4e9af 277 struct acpi_resource *res)
1acfb7f2
BH		 278{
279 struct acpi_resource_address64 addr, *p = &addr;
280 acpi_status status;
fa35b492 281 int window;
1acfb7f2
BH		 282
283 status = acpi_resource_to_address64(res, p);
284 if (!ACPI_SUCCESS(status)) {
af11cb2d 285 dev_warn(&dev->dev, "failed to convert resource type %d\n",
9dd78466 286 res->type);
1acfb7f2
BH		 287 return;
288 }
289
fa35b492 290 window = (p->producer_consumer == ACPI_PRODUCER) ? 1 : 0;
2b8de5f5 291
1acfb7f2 292 if (p->resource_type == ACPI_MEMORY_RANGE)
4ab55d8d 293 pnpacpi_parse_allocated_memresource(dev,
07d4e9af 294 p->minimum, p->address_length,
fa35b492 295 p->info.mem.write_protect, window);
1acfb7f2 296 else if (p->resource_type == ACPI_IO_RANGE)
4ab55d8d 297 pnpacpi_parse_allocated_ioresource(dev,
07d4e9af
BH		 298 p->minimum, p->address_length,
299 p->granularity == 0xfff ? ACPI_DECODE_10 :
fa35b492 300 ACPI_DECODE_16, window);
7e0e9c04
BH		 301 else if (p->resource_type == ACPI_BUS_NUMBER_RANGE)
302 pnpacpi_parse_allocated_busresource(dev, p->minimum,
303 p->address_length);
1acfb7f2 304}
1da177e4 305
8cb24c8f
BH		 306static void pnpacpi_parse_allocated_ext_address_space(struct pnp_dev *dev,
307 struct acpi_resource *res)
308{
309 struct acpi_resource_extended_address64 *p = &res->data.ext_address64;
fa35b492 310 int window;
8cb24c8f 311
fa35b492 312 window = (p->producer_consumer == ACPI_PRODUCER) ? 1 : 0;
8cb24c8f
BH		 313
314 if (p->resource_type == ACPI_MEMORY_RANGE)
315 pnpacpi_parse_allocated_memresource(dev,
316 p->minimum, p->address_length,
fa35b492 317 p->info.mem.write_protect, window);
8cb24c8f
BH		 318 else if (p->resource_type == ACPI_IO_RANGE)
319 pnpacpi_parse_allocated_ioresource(dev,
320 p->minimum, p->address_length,
321 p->granularity == 0xfff ? ACPI_DECODE_10 :
fa35b492 322 ACPI_DECODE_16, window);
7e0e9c04
BH		 323 else if (p->resource_type == ACPI_BUS_NUMBER_RANGE)
324 pnpacpi_parse_allocated_busresource(dev, p->minimum,
325 p->address_length);
8cb24c8f
BH		 326}
327
1da177e4 328static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
9dd78466 329 void *data)
1da177e4 330{
4ab55d8d 331 struct pnp_dev *dev = data;
9570a20e
BH		 332 struct acpi_resource_irq *irq;
333 struct acpi_resource_dma *dma;
334 struct acpi_resource_io *io;
335 struct acpi_resource_fixed_io *fixed_io;
40ab4f4c 336 struct acpi_resource_vendor_typed *vendor_typed;
9570a20e
BH		 337 struct acpi_resource_memory24 *memory24;
338 struct acpi_resource_memory32 *memory32;
339 struct acpi_resource_fixed_memory32 *fixed_memory32;
340 struct acpi_resource_extended_irq *extended_irq;
dc16f5f2 341 int i, flags;
1da177e4 342
eca008c8 343 switch (res->type) {
50eca3eb 344 case ACPI_RESOURCE_TYPE_IRQ:
dbed12da
BH		 345 /*
346 * Per spec, only one interrupt per descriptor is allowed in
347 * _CRS, but some firmware violates this, so parse them all.
348 */
9570a20e 349 irq = &res->data.irq;
5acf9141
BH		 350 if (irq->interrupt_count == 0)
351 pnp_add_irq_resource(dev, 0, IORESOURCE_DISABLED);
352 else {
353 for (i = 0; i < irq->interrupt_count; i++) {
354 pnpacpi_parse_allocated_irqresource(dev,
355 irq->interrupts[i],
356 irq->triggering,
357 irq->polarity,
358 irq->sharable);
359 }
360
361 /*
362 * The IRQ encoder puts a single interrupt in each
363 * descriptor, so if a _CRS descriptor has more than
364 * one interrupt, we won't be able to re-encode it.
365 */
366 if (pnp_can_write(dev) && irq->interrupt_count > 1) {
367 dev_warn(&dev->dev, "multiple interrupts in "
368 "_CRS descriptor; configuration can't "
369 "be changed\n");
370 dev->capabilities &= ~PNP_WRITE;
371 }
1da177e4
LT		 372 }
373 break;
374
50eca3eb 375 case ACPI_RESOURCE_TYPE_DMA:
9570a20e 376 dma = &res->data.dma;
5acf9141 377 if (dma->channel_count > 0 && dma->channels[0] != (u8) -1)
958a1fdd 378 flags = dma_flags(dev, dma->type, dma->bus_master,
dc16f5f2 379 dma->transfer);
5acf9141
BH		 380 else
381 flags = IORESOURCE_DISABLED;
382 pnp_add_dma_resource(dev, dma->channels[0], flags);
1da177e4 383 break;
0af5853b 384
50eca3eb 385 case ACPI_RESOURCE_TYPE_IO:
9570a20e 386 io = &res->data.io;
4ab55d8d 387 pnpacpi_parse_allocated_ioresource(dev,
9570a20e
BH		 388 io->minimum,
389 io->address_length,
fa35b492 390 io->io_decode, 0);
1da177e4 391 break;
0af5853b
LB		 392
393 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
394 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
395 break;
396
50eca3eb 397 case ACPI_RESOURCE_TYPE_FIXED_IO:
9570a20e 398 fixed_io = &res->data.fixed_io;
4ab55d8d 399 pnpacpi_parse_allocated_ioresource(dev,
9570a20e
BH		 400 fixed_io->address,
401 fixed_io->address_length,
fa35b492 402 ACPI_DECODE_10, 0);
1da177e4 403 break;
0af5853b
LB		 404
405 case ACPI_RESOURCE_TYPE_VENDOR:
40ab4f4c
BH		 406 vendor_typed = &res->data.vendor_typed;
407 pnpacpi_parse_allocated_vendor(dev, vendor_typed);
0af5853b
LB		 408 break;
409
410 case ACPI_RESOURCE_TYPE_END_TAG:
411 break;
412
50eca3eb 413 case ACPI_RESOURCE_TYPE_MEMORY24:
9570a20e 414 memory24 = &res->data.memory24;
4ab55d8d 415 pnpacpi_parse_allocated_memresource(dev,
9570a20e
BH		 416 memory24->minimum,
417 memory24->address_length,
fa35b492 418 memory24->write_protect, 0);
1da177e4 419 break;
50eca3eb 420 case ACPI_RESOURCE_TYPE_MEMORY32:
9570a20e 421 memory32 = &res->data.memory32;
4ab55d8d 422 pnpacpi_parse_allocated_memresource(dev,
9570a20e
BH		 423 memory32->minimum,
424 memory32->address_length,
fa35b492 425 memory32->write_protect, 0);
1da177e4 426 break;
50eca3eb 427 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
9570a20e 428 fixed_memory32 = &res->data.fixed_memory32;
4ab55d8d 429 pnpacpi_parse_allocated_memresource(dev,
9570a20e
BH		 430 fixed_memory32->address,
431 fixed_memory32->address_length,
fa35b492 432 fixed_memory32->write_protect, 0);
1da177e4 433 break;
50eca3eb 434 case ACPI_RESOURCE_TYPE_ADDRESS16:
50eca3eb 435 case ACPI_RESOURCE_TYPE_ADDRESS32:
50eca3eb 436 case ACPI_RESOURCE_TYPE_ADDRESS64:
4ab55d8d 437 pnpacpi_parse_allocated_address_space(dev, res);
1da177e4 438 break;
0af5853b
LB		 439
440 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
8cb24c8f 441 pnpacpi_parse_allocated_ext_address_space(dev, res);
0af5853b
LB		 442 break;
443
444 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
9570a20e 445 extended_irq = &res->data.extended_irq;
2b8de5f5 446
5acf9141
BH		 447 if (extended_irq->interrupt_count == 0)
448 pnp_add_irq_resource(dev, 0, IORESOURCE_DISABLED);
449 else {
450 for (i = 0; i < extended_irq->interrupt_count; i++) {
451 pnpacpi_parse_allocated_irqresource(dev,
452 extended_irq->interrupts[i],
453 extended_irq->triggering,
454 extended_irq->polarity,
455 extended_irq->sharable);
456 }
457
458 /*
459 * The IRQ encoder puts a single interrupt in each
460 * descriptor, so if a _CRS descriptor has more than
461 * one interrupt, we won't be able to re-encode it.
462 */
463 if (pnp_can_write(dev) &&
464 extended_irq->interrupt_count > 1) {
465 dev_warn(&dev->dev, "multiple interrupts in "
466 "_CRS descriptor; configuration can't "
467 "be changed\n");
468 dev->capabilities &= ~PNP_WRITE;
469 }
0af5853b
LB		 470 }
471 break;
472
473 case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
1da177e4 474 break;
0af5853b 475
1da177e4 476 default:
af11cb2d
BH		 477 dev_warn(&dev->dev, "unknown resource type %d in _CRS\n",
478 res->type);
1da177e4
LT		 479 return AE_ERROR;
480 }
1c6e7d0a 481
1da177e4
LT		 482 return AE_OK;
483}
484
d152cf5d 485int pnpacpi_parse_allocated_resource(struct pnp_dev *dev)
1da177e4 486{
c4da6940
BH		 487 struct acpi_device *acpi_dev = dev->data;
488 acpi_handle handle = acpi_dev->handle;
d152cf5d 489 acpi_status status;
4ab55d8d 490
2f53432c 491 pnp_dbg(&dev->dev, "parse allocated resources\n");
72dcc883 492
f4490002 493 pnp_init_resources(dev);
1da177e4 494
d152cf5d
BH		 495 status = acpi_walk_resources(handle, METHOD_NAME__CRS,
496 pnpacpi_allocated_resource, dev);
497
498 if (ACPI_FAILURE(status)) {
499 if (status != AE_NOT_FOUND)
500 dev_err(&dev->dev, "can't evaluate _CRS: %d", status);
501 return -EPERM;
502 }
503 return 0;
1da177e4
LT		 504}
505
c1caf06c 506static __init void pnpacpi_parse_dma_option(struct pnp_dev *dev,
1f32ca31 507 unsigned int option_flags,
2bb9a6b3 508 struct acpi_resource_dma *p)
1da177e4
LT		 509{
510 int i;
c227536b 511 unsigned char map = 0, flags;
1da177e4 512
50eca3eb 513 if (p->channel_count == 0)
1da177e4 514 return;
1da177e4 515
9dd78466 516 for (i = 0; i < p->channel_count; i++)
c227536b 517 map |= 1 << p->channels[i];
1da177e4 518
958a1fdd 519 flags = dma_flags(dev, p->type, p->bus_master, p->transfer);
1f32ca31 520 pnp_register_dma_resource(dev, option_flags, map, flags);
1da177e4
LT		 521}
522
c1caf06c 523static __init void pnpacpi_parse_irq_option(struct pnp_dev *dev,
1f32ca31 524 unsigned int option_flags,
2bb9a6b3 525 struct acpi_resource_irq *p)
1da177e4
LT		 526{
527 int i;
c227536b
BH		 528 pnp_irq_mask_t map;
529 unsigned char flags;
1c6e7d0a 530
50eca3eb 531 if (p->interrupt_count == 0)
1da177e4 532 return;
1da177e4 533
c227536b 534 bitmap_zero(map.bits, PNP_IRQ_NR);
9dd78466 535 for (i = 0; i < p->interrupt_count; i++)
1da177e4 536 if (p->interrupts[i])
c227536b 537 __set_bit(p->interrupts[i], map.bits);
1da177e4 538
c227536b 539 flags = irq_flags(p->triggering, p->polarity, p->sharable);
1f32ca31 540 pnp_register_irq_resource(dev, option_flags, &map, flags);
1da177e4
LT		 541}
542
c1caf06c 543static __init void pnpacpi_parse_ext_irq_option(struct pnp_dev *dev,
1f32ca31 544 unsigned int option_flags,
2bb9a6b3 545 struct acpi_resource_extended_irq *p)
1da177e4
LT		 546{
547 int i;
c227536b
BH		 548 pnp_irq_mask_t map;
549 unsigned char flags;
1da177e4 550
50eca3eb 551 if (p->interrupt_count == 0)
1da177e4 552 return;
1da177e4 553
c227536b 554 bitmap_zero(map.bits, PNP_IRQ_NR);
fe2cf598
BH		 555 for (i = 0; i < p->interrupt_count; i++) {
556 if (p->interrupts[i]) {
557 if (p->interrupts[i] < PNP_IRQ_NR)
558 __set_bit(p->interrupts[i], map.bits);
559 else
560 dev_err(&dev->dev, "ignoring IRQ %d option "
561 "(too large for %d entry bitmap)\n",
562 p->interrupts[i], PNP_IRQ_NR);
563 }
564 }
1da177e4 565
c227536b 566 flags = irq_flags(p->triggering, p->polarity, p->sharable);
1f32ca31 567 pnp_register_irq_resource(dev, option_flags, &map, flags);
1da177e4
LT		 568}
569
c1caf06c 570static __init void pnpacpi_parse_port_option(struct pnp_dev *dev,
1f32ca31 571 unsigned int option_flags,
2bb9a6b3 572 struct acpi_resource_io *io)
1da177e4 573{
c227536b 574 unsigned char flags = 0;
1da177e4 575
50eca3eb 576 if (io->address_length == 0)
1da177e4 577 return;
c227536b
BH		 578
579 if (io->io_decode == ACPI_DECODE_16)
580 flags = IORESOURCE_IO_16BIT_ADDR;
1f32ca31 581 pnp_register_port_resource(dev, option_flags, io->minimum, io->maximum,
c227536b 582 io->alignment, io->address_length, flags);
1da177e4
LT		 583}
584
c1caf06c 585static __init void pnpacpi_parse_fixed_port_option(struct pnp_dev *dev,
1f32ca31 586 unsigned int option_flags,
2bb9a6b3 587 struct acpi_resource_fixed_io *io)
1da177e4 588{
50eca3eb 589 if (io->address_length == 0)
1da177e4 590 return;
c227536b 591
1f32ca31
BH		 592 pnp_register_port_resource(dev, option_flags, io->address, io->address,
593 0, io->address_length, IORESOURCE_IO_FIXED);
1da177e4
LT		 594}
595
c1caf06c 596static __init void pnpacpi_parse_mem24_option(struct pnp_dev *dev,
1f32ca31 597 unsigned int option_flags,
2bb9a6b3 598 struct acpi_resource_memory24 *p)
1da177e4 599{
c227536b 600 unsigned char flags = 0;
1da177e4 601
50eca3eb 602 if (p->address_length == 0)
1da177e4 603 return;
1da177e4 604
c227536b
BH		 605 if (p->write_protect == ACPI_READ_WRITE_MEMORY)
606 flags = IORESOURCE_MEM_WRITEABLE;
1f32ca31 607 pnp_register_mem_resource(dev, option_flags, p->minimum, p->maximum,
c227536b 608 p->alignment, p->address_length, flags);
1da177e4
LT		 609}
610
c1caf06c 611static __init void pnpacpi_parse_mem32_option(struct pnp_dev *dev,
1f32ca31 612 unsigned int option_flags,
2bb9a6b3 613 struct acpi_resource_memory32 *p)
1da177e4 614{
c227536b 615 unsigned char flags = 0;
1da177e4 616
50eca3eb 617 if (p->address_length == 0)
1da177e4 618 return;
1da177e4 619
c227536b
BH		 620 if (p->write_protect == ACPI_READ_WRITE_MEMORY)
621 flags = IORESOURCE_MEM_WRITEABLE;
1f32ca31 622 pnp_register_mem_resource(dev, option_flags, p->minimum, p->maximum,
c227536b 623 p->alignment, p->address_length, flags);
1da177e4
LT		 624}
625
c1caf06c 626static __init void pnpacpi_parse_fixed_mem32_option(struct pnp_dev *dev,
1f32ca31 627 unsigned int option_flags,
2bb9a6b3 628 struct acpi_resource_fixed_memory32 *p)
1da177e4 629{
c227536b 630 unsigned char flags = 0;
1da177e4 631
50eca3eb 632 if (p->address_length == 0)
1da177e4 633 return;
1da177e4 634
c227536b
BH		 635 if (p->write_protect == ACPI_READ_WRITE_MEMORY)
636 flags = IORESOURCE_MEM_WRITEABLE;
1f32ca31 637 pnp_register_mem_resource(dev, option_flags, p->address, p->address,
c227536b 638 0, p->address_length, flags);
1da177e4
LT		 639}
640
c1caf06c 641static __init void pnpacpi_parse_address_option(struct pnp_dev *dev,
1f32ca31 642 unsigned int option_flags,
2bb9a6b3 643 struct acpi_resource *r)
6f957eaf
BH		 644{
645 struct acpi_resource_address64 addr, *p = &addr;
646 acpi_status status;
c227536b 647 unsigned char flags = 0;
6f957eaf
BH		 648
649 status = acpi_resource_to_address64(r, p);
958a1fdd
BH		 650 if (ACPI_FAILURE(status)) {
651 dev_warn(&dev->dev, "can't convert resource type %d\n",
9dd78466 652 r->type);
6f957eaf
BH		 653 return;
654 }
655
656 if (p->address_length == 0)
657 return;
658
659 if (p->resource_type == ACPI_MEMORY_RANGE) {
c227536b
BH		 660 if (p->info.mem.write_protect == ACPI_READ_WRITE_MEMORY)
661 flags = IORESOURCE_MEM_WRITEABLE;
1f32ca31
BH		 662 pnp_register_mem_resource(dev, option_flags, p->minimum,
663 p->minimum, 0, p->address_length,
664 flags);
c227536b 665 } else if (p->resource_type == ACPI_IO_RANGE)
1f32ca31
BH		 666 pnp_register_port_resource(dev, option_flags, p->minimum,
667 p->minimum, 0, p->address_length,
c227536b 668 IORESOURCE_IO_FIXED);
6f957eaf
BH		 669}
670
8cb24c8f
BH		 671static __init void pnpacpi_parse_ext_address_option(struct pnp_dev *dev,
672 unsigned int option_flags,
673 struct acpi_resource *r)
674{
675 struct acpi_resource_extended_address64 *p = &r->data.ext_address64;
676 unsigned char flags = 0;
677
678 if (p->address_length == 0)
679 return;
680
681 if (p->resource_type == ACPI_MEMORY_RANGE) {
682 if (p->info.mem.write_protect == ACPI_READ_WRITE_MEMORY)
683 flags = IORESOURCE_MEM_WRITEABLE;
684 pnp_register_mem_resource(dev, option_flags, p->minimum,
685 p->minimum, 0, p->address_length,
686 flags);
687 } else if (p->resource_type == ACPI_IO_RANGE)
688 pnp_register_port_resource(dev, option_flags, p->minimum,
689 p->minimum, 0, p->address_length,
690 IORESOURCE_IO_FIXED);
691}
692
1da177e4 693struct acpipnp_parse_option_s {
1da177e4 694 struct pnp_dev *dev;
1f32ca31 695 unsigned int option_flags;
1da177e4
LT		 696};
697
2bb9a6b3
TR		 698static __init acpi_status pnpacpi_option_resource(struct acpi_resource *res,
699 void *data)
1da177e4 700{
e2a1a6f1 701 int priority;
4721a4cc 702 struct acpipnp_parse_option_s *parse_data = data;
1da177e4 703 struct pnp_dev *dev = parse_data->dev;
1f32ca31 704 unsigned int option_flags = parse_data->option_flags;
1da177e4 705
eca008c8 706 switch (res->type) {
9dd78466 707 case ACPI_RESOURCE_TYPE_IRQ:
1f32ca31 708 pnpacpi_parse_irq_option(dev, option_flags, &res->data.irq);
9dd78466 709 break;
0af5853b 710
9dd78466 711 case ACPI_RESOURCE_TYPE_DMA:
1f32ca31 712 pnpacpi_parse_dma_option(dev, option_flags, &res->data.dma);
9dd78466 713 break;
0af5853b 714
9dd78466
BH		 715 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
716 switch (res->data.start_dpf.compatibility_priority) {
717 case ACPI_GOOD_CONFIGURATION:
718 priority = PNP_RES_PRIORITY_PREFERRED;
1da177e4 719 break;
0af5853b 720
9dd78466
BH		 721 case ACPI_ACCEPTABLE_CONFIGURATION:
722 priority = PNP_RES_PRIORITY_ACCEPTABLE;
b008b8d7 723 break;
0af5853b 724
9dd78466
BH		 725 case ACPI_SUB_OPTIMAL_CONFIGURATION:
726 priority = PNP_RES_PRIORITY_FUNCTIONAL;
0af5853b 727 break;
9dd78466
BH		 728 default:
729 priority = PNP_RES_PRIORITY_INVALID;
0af5853b 730 break;
9dd78466 731 }
1f32ca31 732 parse_data->option_flags = pnp_new_dependent_set(dev, priority);
9dd78466 733 break;
0af5853b 734
9dd78466 735 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
1f32ca31 736 parse_data->option_flags = 0;
9dd78466 737 break;
0af5853b 738
9dd78466 739 case ACPI_RESOURCE_TYPE_IO:
1f32ca31 740 pnpacpi_parse_port_option(dev, option_flags, &res->data.io);
9dd78466 741 break;
0af5853b 742
9dd78466 743 case ACPI_RESOURCE_TYPE_FIXED_IO:
1f32ca31 744 pnpacpi_parse_fixed_port_option(dev, option_flags,
c1caf06c 745 &res->data.fixed_io);
9dd78466 746 break;
0af5853b 747
9dd78466
BH		 748 case ACPI_RESOURCE_TYPE_VENDOR:
749 case ACPI_RESOURCE_TYPE_END_TAG:
750 break;
0af5853b 751
9dd78466 752 case ACPI_RESOURCE_TYPE_MEMORY24:
1f32ca31
BH		 753 pnpacpi_parse_mem24_option(dev, option_flags,
754 &res->data.memory24);
9dd78466 755 break;
0af5853b 756
9dd78466 757 case ACPI_RESOURCE_TYPE_MEMORY32:
1f32ca31
BH		 758 pnpacpi_parse_mem32_option(dev, option_flags,
759 &res->data.memory32);
9dd78466 760 break;
0af5853b 761
9dd78466 762 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
1f32ca31 763 pnpacpi_parse_fixed_mem32_option(dev, option_flags,
9dd78466
BH		 764 &res->data.fixed_memory32);
765 break;
0af5853b 766
9dd78466
BH		 767 case ACPI_RESOURCE_TYPE_ADDRESS16:
768 case ACPI_RESOURCE_TYPE_ADDRESS32:
769 case ACPI_RESOURCE_TYPE_ADDRESS64:
1f32ca31 770 pnpacpi_parse_address_option(dev, option_flags, res);
9dd78466 771 break;
0af5853b 772
9dd78466 773 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
8cb24c8f 774 pnpacpi_parse_ext_address_option(dev, option_flags, res);
9dd78466
BH		 775 break;
776
777 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
1f32ca31 778 pnpacpi_parse_ext_irq_option(dev, option_flags,
c1caf06c 779 &res->data.extended_irq);
9dd78466
BH		 780 break;
781
782 case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
783 break;
784
785 default:
af11cb2d
BH		 786 dev_warn(&dev->dev, "unknown resource type %d in _PRS\n",
787 res->type);
9dd78466 788 return AE_ERROR;
1da177e4 789 }
1c6e7d0a 790
1da177e4
LT		 791 return AE_OK;
792}
793
d152cf5d 794int __init pnpacpi_parse_resource_option_data(struct pnp_dev *dev)
1da177e4 795{
c4da6940
BH		 796 struct acpi_device *acpi_dev = dev->data;
797 acpi_handle handle = acpi_dev->handle;
1da177e4
LT		 798 acpi_status status;
799 struct acpipnp_parse_option_s parse_data;
800
2f53432c 801 pnp_dbg(&dev->dev, "parse resource options\n");
72dcc883 802
1da177e4 803 parse_data.dev = dev;
1f32ca31
BH		 804 parse_data.option_flags = 0;
805
50eca3eb 806 status = acpi_walk_resources(handle, METHOD_NAME__PRS,
9dd78466 807 pnpacpi_option_resource, &parse_data);
1da177e4 808
d152cf5d
BH		 809 if (ACPI_FAILURE(status)) {
810 if (status != AE_NOT_FOUND)
811 dev_err(&dev->dev, "can't evaluate _PRS: %d", status);
812 return -EPERM;
813 }
814 return 0;
1da177e4
LT		 815}
816
b5f2490b 817static int pnpacpi_supported_resource(struct acpi_resource *res)
1da177e4 818{
eca008c8 819 switch (res->type) {
50eca3eb 820 case ACPI_RESOURCE_TYPE_IRQ:
50eca3eb
BM		 821 case ACPI_RESOURCE_TYPE_DMA:
822 case ACPI_RESOURCE_TYPE_IO:
823 case ACPI_RESOURCE_TYPE_FIXED_IO:
824 case ACPI_RESOURCE_TYPE_MEMORY24:
825 case ACPI_RESOURCE_TYPE_MEMORY32:
826 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
50eca3eb
BM		 827 case ACPI_RESOURCE_TYPE_ADDRESS16:
828 case ACPI_RESOURCE_TYPE_ADDRESS32:
829 case ACPI_RESOURCE_TYPE_ADDRESS64:
8cb24c8f 830 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
0af5853b 831 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
b5f2490b 832 return 1;
1da177e4 833 }
b5f2490b
BH		 834 return 0;
835}
836
837/*
838 * Set resource
839 */
840static acpi_status pnpacpi_count_resources(struct acpi_resource *res,
9dd78466 841 void *data)
b5f2490b 842{
4721a4cc 843 int *res_cnt = data;
b5f2490b
BH		 844
845 if (pnpacpi_supported_resource(res))
846 (*res_cnt)++;
1da177e4
LT		 847 return AE_OK;
848}
849
1c6e7d0a 850static acpi_status pnpacpi_type_resources(struct acpi_resource *res, void *data)
1da177e4 851{
4721a4cc 852 struct acpi_resource **resource = data;
b5f2490b
BH		 853
854 if (pnpacpi_supported_resource(res)) {
eca008c8 855 (*resource)->type = res->type;
b5f2490b 856 (*resource)->length = sizeof(struct acpi_resource);
36d872a3
BH		 857 if (res->type == ACPI_RESOURCE_TYPE_IRQ)
858 (*resource)->data.irq.descriptor_length =
859 res->data.irq.descriptor_length;
1da177e4 860 (*resource)++;
1da177e4
LT		 861 }
862
863 return AE_OK;
864}
865
cdef6254 866int pnpacpi_build_resource_template(struct pnp_dev *dev,
9dd78466 867 struct acpi_buffer *buffer)
1da177e4 868{
c4da6940
BH		 869 struct acpi_device *acpi_dev = dev->data;
870 acpi_handle handle = acpi_dev->handle;
1da177e4
LT		 871 struct acpi_resource *resource;
872 int res_cnt = 0;
873 acpi_status status;
874
50eca3eb 875 status = acpi_walk_resources(handle, METHOD_NAME__CRS,
9dd78466 876 pnpacpi_count_resources, &res_cnt);
1da177e4 877 if (ACPI_FAILURE(status)) {
d152cf5d 878 dev_err(&dev->dev, "can't evaluate _CRS: %d\n", status);
1da177e4
LT		 879 return -EINVAL;
880 }
881 if (!res_cnt)
882 return -EINVAL;
883 buffer->length = sizeof(struct acpi_resource) * (res_cnt + 1) + 1;
cd861280 884 buffer->pointer = kzalloc(buffer->length - 1, GFP_KERNEL);
1da177e4
LT		 885 if (!buffer->pointer)
886 return -ENOMEM;
72dcc883 887
1da177e4 888 resource = (struct acpi_resource *)buffer->pointer;
50eca3eb 889 status = acpi_walk_resources(handle, METHOD_NAME__CRS,
9dd78466 890 pnpacpi_type_resources, &resource);
1da177e4
LT		 891 if (ACPI_FAILURE(status)) {
892 kfree(buffer->pointer);
d152cf5d 893 dev_err(&dev->dev, "can't evaluate _CRS: %d\n", status);
1da177e4
LT		 894 return -EINVAL;
895 }
896 /* resource will pointer the end resource now */
50eca3eb 897 resource->type = ACPI_RESOURCE_TYPE_END_TAG;
1da177e4
LT		 898
899 return 0;
900}
901
72dcc883
BH		 902static void pnpacpi_encode_irq(struct pnp_dev *dev,
903 struct acpi_resource *resource,
9dd78466 904 struct resource *p)
1da177e4 905{
9570a20e 906 struct acpi_resource_irq *irq = &resource->data.irq;
a993273b 907 int triggering, polarity, shareable;
1c6e7d0a 908
aee3ad81
BH		 909 if (!pnp_resource_enabled(p)) {
910 irq->interrupt_count = 0;
2f53432c 911 pnp_dbg(&dev->dev, " encode irq (%s)\n",
aee3ad81
BH		 912 p ? "disabled" : "missing");
913 return;
914 }
915
a993273b 916 decode_irq_flags(dev, p->flags, &triggering, &polarity, &shareable);
9570a20e
BH		 917 irq->triggering = triggering;
918 irq->polarity = polarity;
a993273b 919 irq->sharable = shareable;
9570a20e
BH		 920 irq->interrupt_count = 1;
921 irq->interrupts[0] = p->start;
72dcc883 922
2f53432c 923 pnp_dbg(&dev->dev, " encode irq %d %s %s %s (%d-byte descriptor)\n",
36d872a3 924 (int) p->start,
72dcc883
BH		 925 triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge",
926 polarity == ACPI_ACTIVE_LOW ? "low" : "high",
36d872a3
BH		 927 irq->sharable == ACPI_SHARED ? "shared" : "exclusive",
928 irq->descriptor_length);
1da177e4
LT		 929}
930
72dcc883
BH		 931static void pnpacpi_encode_ext_irq(struct pnp_dev *dev,
932 struct acpi_resource *resource,
9dd78466 933 struct resource *p)
1da177e4 934{
9570a20e 935 struct acpi_resource_extended_irq *extended_irq = &resource->data.extended_irq;
a993273b 936 int triggering, polarity, shareable;
1c6e7d0a 937
aee3ad81
BH		 938 if (!pnp_resource_enabled(p)) {
939 extended_irq->interrupt_count = 0;
2f53432c 940 pnp_dbg(&dev->dev, " encode extended irq (%s)\n",
aee3ad81
BH		 941 p ? "disabled" : "missing");
942 return;
943 }
944
a993273b 945 decode_irq_flags(dev, p->flags, &triggering, &polarity, &shareable);
9570a20e
BH		 946 extended_irq->producer_consumer = ACPI_CONSUMER;
947 extended_irq->triggering = triggering;
948 extended_irq->polarity = polarity;
a993273b 949 extended_irq->sharable = shareable;
9570a20e
BH		 950 extended_irq->interrupt_count = 1;
951 extended_irq->interrupts[0] = p->start;
72dcc883 952
2f53432c 953 pnp_dbg(&dev->dev, " encode irq %d %s %s %s\n", (int) p->start,
72dcc883
BH		 954 triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge",
955 polarity == ACPI_ACTIVE_LOW ? "low" : "high",
956 extended_irq->sharable == ACPI_SHARED ? "shared" : "exclusive");
1da177e4
LT		 957}
958
72dcc883
BH		 959static void pnpacpi_encode_dma(struct pnp_dev *dev,
960 struct acpi_resource *resource,
9dd78466 961 struct resource *p)
1da177e4 962{
9570a20e
BH		 963 struct acpi_resource_dma *dma = &resource->data.dma;
964
aee3ad81
BH		 965 if (!pnp_resource_enabled(p)) {
966 dma->channel_count = 0;
2f53432c 967 pnp_dbg(&dev->dev, " encode dma (%s)\n",
aee3ad81
BH		 968 p ? "disabled" : "missing");
969 return;
970 }
971
1da177e4 972 /* Note: pnp_assign_dma will copy pnp_dma->flags into p->flags */
ccc4c7bb 973 switch (p->flags & IORESOURCE_DMA_SPEED_MASK) {
9dd78466 974 case IORESOURCE_DMA_TYPEA:
9570a20e 975 dma->type = ACPI_TYPE_A;
9dd78466
BH		 976 break;
977 case IORESOURCE_DMA_TYPEB:
9570a20e 978 dma->type = ACPI_TYPE_B;
9dd78466
BH		 979 break;
980 case IORESOURCE_DMA_TYPEF:
9570a20e 981 dma->type = ACPI_TYPE_F;
9dd78466
BH		 982 break;
983 default:
9570a20e 984 dma->type = ACPI_COMPATIBILITY;
ccc4c7bb
VP		 985 }
986
987 switch (p->flags & IORESOURCE_DMA_TYPE_MASK) {
9dd78466 988 case IORESOURCE_DMA_8BIT:
9570a20e 989 dma->transfer = ACPI_TRANSFER_8;
9dd78466
BH		 990 break;
991 case IORESOURCE_DMA_8AND16BIT:
9570a20e 992 dma->transfer = ACPI_TRANSFER_8_16;
9dd78466
BH		 993 break;
994 default:
9570a20e 995 dma->transfer = ACPI_TRANSFER_16;
ccc4c7bb
VP		 996 }
997
9570a20e
BH		 998 dma->bus_master = !!(p->flags & IORESOURCE_DMA_MASTER);
999 dma->channel_count = 1;
1000 dma->channels[0] = p->start;
72dcc883 1001
2f53432c 1002 pnp_dbg(&dev->dev, " encode dma %d "
72dcc883
BH		 1003 "type %#x transfer %#x master %d\n",
1004 (int) p->start, dma->type, dma->transfer, dma->bus_master);
1da177e4
LT		 1005}
1006
72dcc883
BH		 1007static void pnpacpi_encode_io(struct pnp_dev *dev,
1008 struct acpi_resource *resource,
9dd78466 1009 struct resource *p)
1da177e4 1010{
9570a20e
BH		 1011 struct acpi_resource_io *io = &resource->data.io;
1012
aee3ad81
BH		 1013 if (pnp_resource_enabled(p)) {
1014 /* Note: pnp_assign_port copies pnp_port->flags into p->flags */
08c9f262 1015 io->io_decode = (p->flags & IORESOURCE_IO_16BIT_ADDR) ?
aee3ad81
BH		 1016 ACPI_DECODE_16 : ACPI_DECODE_10;
1017 io->minimum = p->start;
1018 io->maximum = p->end;
1019 io->alignment = 0; /* Correct? */
1020 io->address_length = p->end - p->start + 1;
1021 } else {
1022 io->minimum = 0;
1023 io->address_length = 0;
1024 }
72dcc883 1025
2f53432c 1026 pnp_dbg(&dev->dev, " encode io %#x-%#x decode %#x\n", io->minimum,
aee3ad81 1027 io->minimum + io->address_length - 1, io->io_decode);
1da177e4
LT		 1028}
1029
72dcc883
BH		 1030static void pnpacpi_encode_fixed_io(struct pnp_dev *dev,
1031 struct acpi_resource *resource,
9dd78466 1032 struct resource *p)
1da177e4 1033{
9570a20e
BH		 1034 struct acpi_resource_fixed_io *fixed_io = &resource->data.fixed_io;
1035
aee3ad81
BH		 1036 if (pnp_resource_enabled(p)) {
1037 fixed_io->address = p->start;
1038 fixed_io->address_length = p->end - p->start + 1;
1039 } else {
1040 fixed_io->address = 0;
1041 fixed_io->address_length = 0;
1042 }
72dcc883 1043
2f53432c 1044 pnp_dbg(&dev->dev, " encode fixed_io %#x-%#x\n", fixed_io->address,
aee3ad81 1045 fixed_io->address + fixed_io->address_length - 1);
1da177e4
LT		 1046}
1047
72dcc883
BH		 1048static void pnpacpi_encode_mem24(struct pnp_dev *dev,
1049 struct acpi_resource *resource,
9dd78466 1050 struct resource *p)
1da177e4 1051{
9570a20e
BH		 1052 struct acpi_resource_memory24 *memory24 = &resource->data.memory24;
1053
aee3ad81
BH		 1054 if (pnp_resource_enabled(p)) {
1055 /* Note: pnp_assign_mem copies pnp_mem->flags into p->flags */
1056 memory24->write_protect = p->flags & IORESOURCE_MEM_WRITEABLE ?
1057 ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
1058 memory24->minimum = p->start;
1059 memory24->maximum = p->end;
1060 memory24->alignment = 0;
1061 memory24->address_length = p->end - p->start + 1;
1062 } else {
1063 memory24->minimum = 0;
1064 memory24->address_length = 0;
1065 }
1066
2f53432c 1067 pnp_dbg(&dev->dev, " encode mem24 %#x-%#x write_protect %#x\n",
aee3ad81
BH		 1068 memory24->minimum,
1069 memory24->minimum + memory24->address_length - 1,
72dcc883 1070 memory24->write_protect);
1da177e4
LT		 1071}
1072
72dcc883
BH		 1073static void pnpacpi_encode_mem32(struct pnp_dev *dev,
1074 struct acpi_resource *resource,
9dd78466 1075 struct resource *p)
1da177e4 1076{
9570a20e
BH		 1077 struct acpi_resource_memory32 *memory32 = &resource->data.memory32;
1078
aee3ad81
BH		 1079 if (pnp_resource_enabled(p)) {
1080 memory32->write_protect = p->flags & IORESOURCE_MEM_WRITEABLE ?
1081 ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
1082 memory32->minimum = p->start;
1083 memory32->maximum = p->end;
1084 memory32->alignment = 0;
1085 memory32->address_length = p->end - p->start + 1;
1086 } else {
1087 memory32->minimum = 0;
1088 memory32->alignment = 0;
1089 }
72dcc883 1090
2f53432c 1091 pnp_dbg(&dev->dev, " encode mem32 %#x-%#x write_protect %#x\n",
aee3ad81
BH		 1092 memory32->minimum,
1093 memory32->minimum + memory32->address_length - 1,
72dcc883 1094 memory32->write_protect);
1da177e4
LT		 1095}
1096
72dcc883
BH		 1097static void pnpacpi_encode_fixed_mem32(struct pnp_dev *dev,
1098 struct acpi_resource *resource,
9dd78466 1099 struct resource *p)
1da177e4 1100{
9570a20e
BH		 1101 struct acpi_resource_fixed_memory32 *fixed_memory32 = &resource->data.fixed_memory32;
1102
aee3ad81
BH		 1103 if (pnp_resource_enabled(p)) {
1104 fixed_memory32->write_protect =
1105 p->flags & IORESOURCE_MEM_WRITEABLE ?
1106 ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
1107 fixed_memory32->address = p->start;
1108 fixed_memory32->address_length = p->end - p->start + 1;
1109 } else {
1110 fixed_memory32->address = 0;
1111 fixed_memory32->address_length = 0;
1112 }
72dcc883 1113
2f53432c 1114 pnp_dbg(&dev->dev, " encode fixed_mem32 %#x-%#x write_protect %#x\n",
aee3ad81
BH		 1115 fixed_memory32->address,
1116 fixed_memory32->address + fixed_memory32->address_length - 1,
72dcc883 1117 fixed_memory32->write_protect);
1da177e4
LT		 1118}
1119
4ab55d8d 1120int pnpacpi_encode_resources(struct pnp_dev *dev, struct acpi_buffer *buffer)
1da177e4
LT		 1121{
1122 int i = 0;
1123 /* pnpacpi_build_resource_template allocates extra mem */
9dd78466 1124 int res_cnt = (buffer->length - 1) / sizeof(struct acpi_resource) - 1;
4721a4cc 1125 struct acpi_resource *resource = buffer->pointer;
1da177e4
LT		 1126 int port = 0, irq = 0, dma = 0, mem = 0;
1127
2f53432c 1128 pnp_dbg(&dev->dev, "encode %d resources\n", res_cnt);
1da177e4 1129 while (i < res_cnt) {
9dd78466 1130 switch (resource->type) {
50eca3eb 1131 case ACPI_RESOURCE_TYPE_IRQ:
72dcc883 1132 pnpacpi_encode_irq(dev, resource,
7e2cf31f 1133 pnp_get_resource(dev, IORESOURCE_IRQ, irq));
1da177e4
LT		 1134 irq++;
1135 break;
1136
50eca3eb 1137 case ACPI_RESOURCE_TYPE_DMA:
72dcc883 1138 pnpacpi_encode_dma(dev, resource,
7e2cf31f 1139 pnp_get_resource(dev, IORESOURCE_DMA, dma));
1c6e7d0a 1140 dma++;
1da177e4 1141 break;
50eca3eb 1142 case ACPI_RESOURCE_TYPE_IO:
72dcc883 1143 pnpacpi_encode_io(dev, resource,
7e2cf31f 1144 pnp_get_resource(dev, IORESOURCE_IO, port));
1c6e7d0a 1145 port++;
1da177e4 1146 break;
50eca3eb 1147 case ACPI_RESOURCE_TYPE_FIXED_IO:
72dcc883 1148 pnpacpi_encode_fixed_io(dev, resource,
7e2cf31f 1149 pnp_get_resource(dev, IORESOURCE_IO, port));
1c6e7d0a 1150 port++;
1da177e4 1151 break;
50eca3eb 1152 case ACPI_RESOURCE_TYPE_MEMORY24:
72dcc883 1153 pnpacpi_encode_mem24(dev, resource,
7e2cf31f 1154 pnp_get_resource(dev, IORESOURCE_MEM, mem));
1c6e7d0a 1155 mem++;
1da177e4 1156 break;
50eca3eb 1157 case ACPI_RESOURCE_TYPE_MEMORY32:
72dcc883 1158 pnpacpi_encode_mem32(dev, resource,
7e2cf31f 1159 pnp_get_resource(dev, IORESOURCE_MEM, mem));
1c6e7d0a 1160 mem++;
1da177e4 1161 break;
50eca3eb 1162 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
72dcc883 1163 pnpacpi_encode_fixed_mem32(dev, resource,
7e2cf31f 1164 pnp_get_resource(dev, IORESOURCE_MEM, mem));
1c6e7d0a 1165 mem++;
1da177e4 1166 break;
0af5853b 1167 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
72dcc883 1168 pnpacpi_encode_ext_irq(dev, resource,
7e2cf31f 1169 pnp_get_resource(dev, IORESOURCE_IRQ, irq));
0af5853b
LB		 1170 irq++;
1171 break;
1172 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
1173 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
1174 case ACPI_RESOURCE_TYPE_VENDOR:
1175 case ACPI_RESOURCE_TYPE_END_TAG:
1176 case ACPI_RESOURCE_TYPE_ADDRESS16:
1177 case ACPI_RESOURCE_TYPE_ADDRESS32:
1178 case ACPI_RESOURCE_TYPE_ADDRESS64:
1179 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
1180 case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
9dd78466 1181 default: /* other type */
af11cb2d
BH		 1182 dev_warn(&dev->dev, "can't encode unknown resource "
1183 "type %d\n", resource->type);
1da177e4
LT		 1184 return -EINVAL;
1185 }
1c6e7d0a
BH		 1186 resource++;
1187 i++;
1da177e4
LT		 1188 }
1189 return 0;
1190}
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