]>
Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * pnpacpi -- PnP ACPI driver | |
3 | * | |
4 | * Copyright (c) 2004 Matthieu Castet <castet.matthieu@free.fr> | |
5 | * Copyright (c) 2004 Li Shaohua <shaohua.li@intel.com> | |
50eca3eb | 6 | * |
1da177e4 LT |
7 | * This program is free software; you can redistribute it and/or modify it |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | */ | |
21 | #include <linux/kernel.h> | |
22 | #include <linux/acpi.h> | |
23 | #include <linux/pci.h> | |
02d83b5d BH |
24 | #include <linux/pnp.h> |
25 | #include "../base.h" | |
1da177e4 LT |
26 | #include "pnpacpi.h" |
27 | ||
28 | #ifdef CONFIG_IA64 | |
29 | #define valid_IRQ(i) (1) | |
30 | #else | |
31 | #define valid_IRQ(i) (((i) != 0) && ((i) != 2)) | |
32 | #endif | |
33 | ||
34 | /* | |
35 | * Allocated Resources | |
36 | */ | |
cd7ec927 | 37 | static int irq_flags(int triggering, int polarity, int shareable) |
1da177e4 | 38 | { |
cd7ec927 BH |
39 | int flags; |
40 | ||
50eca3eb | 41 | if (triggering == ACPI_LEVEL_SENSITIVE) { |
1c6e7d0a | 42 | if (polarity == ACPI_ACTIVE_LOW) |
cd7ec927 | 43 | flags = IORESOURCE_IRQ_LOWLEVEL; |
1da177e4 | 44 | else |
cd7ec927 | 45 | flags = IORESOURCE_IRQ_HIGHLEVEL; |
9dd78466 | 46 | } else { |
1c6e7d0a | 47 | if (polarity == ACPI_ACTIVE_LOW) |
cd7ec927 | 48 | flags = IORESOURCE_IRQ_LOWEDGE; |
1da177e4 | 49 | else |
cd7ec927 | 50 | flags = IORESOURCE_IRQ_HIGHEDGE; |
1da177e4 | 51 | } |
cd7ec927 | 52 | |
a993273b | 53 | if (shareable == ACPI_SHARED) |
cd7ec927 BH |
54 | flags |= IORESOURCE_IRQ_SHAREABLE; |
55 | ||
56 | return flags; | |
1da177e4 LT |
57 | } |
58 | ||
e9fe9e18 | 59 | static void decode_irq_flags(struct pnp_dev *dev, int flags, int *triggering, |
a993273b | 60 | int *polarity, int *shareable) |
1da177e4 | 61 | { |
e9fe9e18 BH |
62 | switch (flags & (IORESOURCE_IRQ_LOWLEVEL | IORESOURCE_IRQ_HIGHLEVEL | |
63 | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE)) { | |
1da177e4 | 64 | case IORESOURCE_IRQ_LOWLEVEL: |
50eca3eb BM |
65 | *triggering = ACPI_LEVEL_SENSITIVE; |
66 | *polarity = ACPI_ACTIVE_LOW; | |
1da177e4 | 67 | break; |
1c6e7d0a | 68 | case IORESOURCE_IRQ_HIGHLEVEL: |
50eca3eb BM |
69 | *triggering = ACPI_LEVEL_SENSITIVE; |
70 | *polarity = ACPI_ACTIVE_HIGH; | |
1da177e4 LT |
71 | break; |
72 | case IORESOURCE_IRQ_LOWEDGE: | |
50eca3eb BM |
73 | *triggering = ACPI_EDGE_SENSITIVE; |
74 | *polarity = ACPI_ACTIVE_LOW; | |
1da177e4 LT |
75 | break; |
76 | case IORESOURCE_IRQ_HIGHEDGE: | |
50eca3eb BM |
77 | *triggering = ACPI_EDGE_SENSITIVE; |
78 | *polarity = ACPI_ACTIVE_HIGH; | |
1da177e4 | 79 | break; |
e9fe9e18 BH |
80 | default: |
81 | dev_err(&dev->dev, "can't encode invalid IRQ mode %#x\n", | |
82 | flags); | |
83 | *triggering = ACPI_EDGE_SENSITIVE; | |
84 | *polarity = ACPI_ACTIVE_HIGH; | |
85 | break; | |
1da177e4 | 86 | } |
a993273b BH |
87 | |
88 | if (flags & IORESOURCE_IRQ_SHAREABLE) | |
89 | *shareable = ACPI_SHARED; | |
90 | else | |
91 | *shareable = ACPI_EXCLUSIVE; | |
1da177e4 LT |
92 | } |
93 | ||
4ab55d8d | 94 | static void pnpacpi_parse_allocated_irqresource(struct pnp_dev *dev, |
07d4e9af BH |
95 | u32 gsi, int triggering, |
96 | int polarity, int shareable) | |
1da177e4 | 97 | { |
dbddd038 | 98 | int irq, flags; |
61fd47e0 | 99 | int p, t; |
dbed12da | 100 | |
5acf9141 BH |
101 | if (!valid_IRQ(gsi)) { |
102 | pnp_add_irq_resource(dev, gsi, IORESOURCE_DISABLED); | |
dbed12da | 103 | return; |
5acf9141 | 104 | } |
dbed12da | 105 | |
61fd47e0 SL |
106 | /* |
107 | * in IO-APIC mode, use overrided attribute. Two reasons: | |
108 | * 1. BIOS bug in DSDT | |
109 | * 2. BIOS uses IO-APIC mode Interrupt Source Override | |
110 | */ | |
111 | if (!acpi_get_override_irq(gsi, &t, &p)) { | |
112 | t = t ? ACPI_LEVEL_SENSITIVE : ACPI_EDGE_SENSITIVE; | |
113 | p = p ? ACPI_ACTIVE_LOW : ACPI_ACTIVE_HIGH; | |
114 | ||
115 | if (triggering != t || polarity != p) { | |
af11cb2d | 116 | dev_warn(&dev->dev, "IRQ %d override to %s, %s\n", |
61fd47e0 SL |
117 | gsi, t ? "edge":"level", p ? "low":"high"); |
118 | triggering = t; | |
119 | polarity = p; | |
120 | } | |
121 | } | |
122 | ||
dbddd038 | 123 | flags = irq_flags(triggering, polarity, shareable); |
50eca3eb | 124 | irq = acpi_register_gsi(gsi, triggering, polarity); |
dbddd038 BH |
125 | if (irq >= 0) |
126 | pcibios_penalize_isa_irq(irq, 1); | |
127 | else | |
128 | flags |= IORESOURCE_DISABLED; | |
dbed12da | 129 | |
dbddd038 | 130 | pnp_add_irq_resource(dev, irq, flags); |
1da177e4 LT |
131 | } |
132 | ||
362ea087 MK |
133 | static int dma_flags(int type, int bus_master, int transfer) |
134 | { | |
135 | int flags = 0; | |
136 | ||
137 | if (bus_master) | |
138 | flags |= IORESOURCE_DMA_MASTER; | |
139 | switch (type) { | |
140 | case ACPI_COMPATIBILITY: | |
141 | flags |= IORESOURCE_DMA_COMPATIBLE; | |
142 | break; | |
143 | case ACPI_TYPE_A: | |
144 | flags |= IORESOURCE_DMA_TYPEA; | |
145 | break; | |
146 | case ACPI_TYPE_B: | |
147 | flags |= IORESOURCE_DMA_TYPEB; | |
148 | break; | |
149 | case ACPI_TYPE_F: | |
150 | flags |= IORESOURCE_DMA_TYPEF; | |
151 | break; | |
152 | default: | |
153 | /* Set a default value ? */ | |
154 | flags |= IORESOURCE_DMA_COMPATIBLE; | |
155 | pnp_err("Invalid DMA type"); | |
156 | } | |
157 | switch (transfer) { | |
158 | case ACPI_TRANSFER_8: | |
159 | flags |= IORESOURCE_DMA_8BIT; | |
160 | break; | |
161 | case ACPI_TRANSFER_8_16: | |
162 | flags |= IORESOURCE_DMA_8AND16BIT; | |
163 | break; | |
164 | case ACPI_TRANSFER_16: | |
165 | flags |= IORESOURCE_DMA_16BIT; | |
166 | break; | |
167 | default: | |
168 | /* Set a default value ? */ | |
169 | flags |= IORESOURCE_DMA_8AND16BIT; | |
170 | pnp_err("Invalid DMA transfer type"); | |
171 | } | |
172 | ||
173 | return flags; | |
174 | } | |
175 | ||
cc8c2e30 BH |
176 | static void pnpacpi_parse_allocated_ioresource(struct pnp_dev *dev, u64 start, |
177 | u64 len, int io_decode) | |
1da177e4 | 178 | { |
cc8c2e30 BH |
179 | int flags = 0; |
180 | u64 end = start + len - 1; | |
07d4e9af | 181 | |
cc8c2e30 | 182 | if (io_decode == ACPI_DECODE_16) |
08c9f262 | 183 | flags |= IORESOURCE_IO_16BIT_ADDR; |
cc8c2e30 BH |
184 | if (len == 0 || end >= 0x10003) |
185 | flags |= IORESOURCE_DISABLED; | |
186 | ||
187 | pnp_add_io_resource(dev, start, end, flags); | |
1da177e4 LT |
188 | } |
189 | ||
4ab55d8d | 190 | static void pnpacpi_parse_allocated_memresource(struct pnp_dev *dev, |
d6180f36 | 191 | u64 start, u64 len, |
07d4e9af | 192 | int write_protect) |
1da177e4 | 193 | { |
d6180f36 BH |
194 | int flags = 0; |
195 | u64 end = start + len - 1; | |
196 | ||
197 | if (len == 0) | |
198 | flags |= IORESOURCE_DISABLED; | |
199 | if (write_protect == ACPI_READ_WRITE_MEMORY) | |
200 | flags |= IORESOURCE_MEM_WRITEABLE; | |
201 | ||
202 | pnp_add_mem_resource(dev, start, end, flags); | |
1da177e4 LT |
203 | } |
204 | ||
4ab55d8d | 205 | static void pnpacpi_parse_allocated_address_space(struct pnp_dev *dev, |
07d4e9af | 206 | struct acpi_resource *res) |
1acfb7f2 BH |
207 | { |
208 | struct acpi_resource_address64 addr, *p = &addr; | |
209 | acpi_status status; | |
210 | ||
211 | status = acpi_resource_to_address64(res, p); | |
212 | if (!ACPI_SUCCESS(status)) { | |
af11cb2d | 213 | dev_warn(&dev->dev, "failed to convert resource type %d\n", |
9dd78466 | 214 | res->type); |
1acfb7f2 BH |
215 | return; |
216 | } | |
217 | ||
2b8de5f5 MC |
218 | if (p->producer_consumer == ACPI_PRODUCER) |
219 | return; | |
220 | ||
1acfb7f2 | 221 | if (p->resource_type == ACPI_MEMORY_RANGE) |
4ab55d8d | 222 | pnpacpi_parse_allocated_memresource(dev, |
07d4e9af BH |
223 | p->minimum, p->address_length, |
224 | p->info.mem.write_protect); | |
1acfb7f2 | 225 | else if (p->resource_type == ACPI_IO_RANGE) |
4ab55d8d | 226 | pnpacpi_parse_allocated_ioresource(dev, |
07d4e9af BH |
227 | p->minimum, p->address_length, |
228 | p->granularity == 0xfff ? ACPI_DECODE_10 : | |
229 | ACPI_DECODE_16); | |
1acfb7f2 | 230 | } |
1da177e4 LT |
231 | |
232 | static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res, | |
9dd78466 | 233 | void *data) |
1da177e4 | 234 | { |
4ab55d8d | 235 | struct pnp_dev *dev = data; |
9570a20e BH |
236 | struct acpi_resource_irq *irq; |
237 | struct acpi_resource_dma *dma; | |
238 | struct acpi_resource_io *io; | |
239 | struct acpi_resource_fixed_io *fixed_io; | |
240 | struct acpi_resource_memory24 *memory24; | |
241 | struct acpi_resource_memory32 *memory32; | |
242 | struct acpi_resource_fixed_memory32 *fixed_memory32; | |
243 | struct acpi_resource_extended_irq *extended_irq; | |
dc16f5f2 | 244 | int i, flags; |
1da177e4 | 245 | |
eca008c8 | 246 | switch (res->type) { |
50eca3eb | 247 | case ACPI_RESOURCE_TYPE_IRQ: |
dbed12da BH |
248 | /* |
249 | * Per spec, only one interrupt per descriptor is allowed in | |
250 | * _CRS, but some firmware violates this, so parse them all. | |
251 | */ | |
9570a20e | 252 | irq = &res->data.irq; |
5acf9141 BH |
253 | if (irq->interrupt_count == 0) |
254 | pnp_add_irq_resource(dev, 0, IORESOURCE_DISABLED); | |
255 | else { | |
256 | for (i = 0; i < irq->interrupt_count; i++) { | |
257 | pnpacpi_parse_allocated_irqresource(dev, | |
258 | irq->interrupts[i], | |
259 | irq->triggering, | |
260 | irq->polarity, | |
261 | irq->sharable); | |
262 | } | |
263 | ||
264 | /* | |
265 | * The IRQ encoder puts a single interrupt in each | |
266 | * descriptor, so if a _CRS descriptor has more than | |
267 | * one interrupt, we won't be able to re-encode it. | |
268 | */ | |
269 | if (pnp_can_write(dev) && irq->interrupt_count > 1) { | |
270 | dev_warn(&dev->dev, "multiple interrupts in " | |
271 | "_CRS descriptor; configuration can't " | |
272 | "be changed\n"); | |
273 | dev->capabilities &= ~PNP_WRITE; | |
274 | } | |
1da177e4 LT |
275 | } |
276 | break; | |
277 | ||
50eca3eb | 278 | case ACPI_RESOURCE_TYPE_DMA: |
9570a20e | 279 | dma = &res->data.dma; |
5acf9141 | 280 | if (dma->channel_count > 0 && dma->channels[0] != (u8) -1) |
dc16f5f2 BH |
281 | flags = dma_flags(dma->type, dma->bus_master, |
282 | dma->transfer); | |
5acf9141 BH |
283 | else |
284 | flags = IORESOURCE_DISABLED; | |
285 | pnp_add_dma_resource(dev, dma->channels[0], flags); | |
1da177e4 | 286 | break; |
0af5853b | 287 | |
50eca3eb | 288 | case ACPI_RESOURCE_TYPE_IO: |
9570a20e | 289 | io = &res->data.io; |
4ab55d8d | 290 | pnpacpi_parse_allocated_ioresource(dev, |
9570a20e BH |
291 | io->minimum, |
292 | io->address_length, | |
293 | io->io_decode); | |
1da177e4 | 294 | break; |
0af5853b LB |
295 | |
296 | case ACPI_RESOURCE_TYPE_START_DEPENDENT: | |
297 | case ACPI_RESOURCE_TYPE_END_DEPENDENT: | |
298 | break; | |
299 | ||
50eca3eb | 300 | case ACPI_RESOURCE_TYPE_FIXED_IO: |
9570a20e | 301 | fixed_io = &res->data.fixed_io; |
4ab55d8d | 302 | pnpacpi_parse_allocated_ioresource(dev, |
9570a20e BH |
303 | fixed_io->address, |
304 | fixed_io->address_length, | |
07d4e9af | 305 | ACPI_DECODE_10); |
1da177e4 | 306 | break; |
0af5853b LB |
307 | |
308 | case ACPI_RESOURCE_TYPE_VENDOR: | |
309 | break; | |
310 | ||
311 | case ACPI_RESOURCE_TYPE_END_TAG: | |
312 | break; | |
313 | ||
50eca3eb | 314 | case ACPI_RESOURCE_TYPE_MEMORY24: |
9570a20e | 315 | memory24 = &res->data.memory24; |
4ab55d8d | 316 | pnpacpi_parse_allocated_memresource(dev, |
9570a20e BH |
317 | memory24->minimum, |
318 | memory24->address_length, | |
319 | memory24->write_protect); | |
1da177e4 | 320 | break; |
50eca3eb | 321 | case ACPI_RESOURCE_TYPE_MEMORY32: |
9570a20e | 322 | memory32 = &res->data.memory32; |
4ab55d8d | 323 | pnpacpi_parse_allocated_memresource(dev, |
9570a20e BH |
324 | memory32->minimum, |
325 | memory32->address_length, | |
326 | memory32->write_protect); | |
1da177e4 | 327 | break; |
50eca3eb | 328 | case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: |
9570a20e | 329 | fixed_memory32 = &res->data.fixed_memory32; |
4ab55d8d | 330 | pnpacpi_parse_allocated_memresource(dev, |
9570a20e BH |
331 | fixed_memory32->address, |
332 | fixed_memory32->address_length, | |
333 | fixed_memory32->write_protect); | |
1da177e4 | 334 | break; |
50eca3eb | 335 | case ACPI_RESOURCE_TYPE_ADDRESS16: |
50eca3eb | 336 | case ACPI_RESOURCE_TYPE_ADDRESS32: |
50eca3eb | 337 | case ACPI_RESOURCE_TYPE_ADDRESS64: |
4ab55d8d | 338 | pnpacpi_parse_allocated_address_space(dev, res); |
1da177e4 | 339 | break; |
0af5853b LB |
340 | |
341 | case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64: | |
2b8de5f5 MC |
342 | if (res->data.ext_address64.producer_consumer == ACPI_PRODUCER) |
343 | return AE_OK; | |
0af5853b LB |
344 | break; |
345 | ||
346 | case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: | |
9570a20e BH |
347 | extended_irq = &res->data.extended_irq; |
348 | if (extended_irq->producer_consumer == ACPI_PRODUCER) | |
2b8de5f5 MC |
349 | return AE_OK; |
350 | ||
5acf9141 BH |
351 | if (extended_irq->interrupt_count == 0) |
352 | pnp_add_irq_resource(dev, 0, IORESOURCE_DISABLED); | |
353 | else { | |
354 | for (i = 0; i < extended_irq->interrupt_count; i++) { | |
355 | pnpacpi_parse_allocated_irqresource(dev, | |
356 | extended_irq->interrupts[i], | |
357 | extended_irq->triggering, | |
358 | extended_irq->polarity, | |
359 | extended_irq->sharable); | |
360 | } | |
361 | ||
362 | /* | |
363 | * The IRQ encoder puts a single interrupt in each | |
364 | * descriptor, so if a _CRS descriptor has more than | |
365 | * one interrupt, we won't be able to re-encode it. | |
366 | */ | |
367 | if (pnp_can_write(dev) && | |
368 | extended_irq->interrupt_count > 1) { | |
369 | dev_warn(&dev->dev, "multiple interrupts in " | |
370 | "_CRS descriptor; configuration can't " | |
371 | "be changed\n"); | |
372 | dev->capabilities &= ~PNP_WRITE; | |
373 | } | |
0af5853b LB |
374 | } |
375 | break; | |
376 | ||
377 | case ACPI_RESOURCE_TYPE_GENERIC_REGISTER: | |
1da177e4 | 378 | break; |
0af5853b | 379 | |
1da177e4 | 380 | default: |
af11cb2d BH |
381 | dev_warn(&dev->dev, "unknown resource type %d in _CRS\n", |
382 | res->type); | |
1da177e4 LT |
383 | return AE_ERROR; |
384 | } | |
1c6e7d0a | 385 | |
1da177e4 LT |
386 | return AE_OK; |
387 | } | |
388 | ||
d152cf5d | 389 | int pnpacpi_parse_allocated_resource(struct pnp_dev *dev) |
1da177e4 | 390 | { |
4ab55d8d | 391 | acpi_handle handle = dev->data; |
d152cf5d | 392 | acpi_status status; |
4ab55d8d | 393 | |
72dcc883 BH |
394 | dev_dbg(&dev->dev, "parse allocated resources\n"); |
395 | ||
f4490002 | 396 | pnp_init_resources(dev); |
1da177e4 | 397 | |
d152cf5d BH |
398 | status = acpi_walk_resources(handle, METHOD_NAME__CRS, |
399 | pnpacpi_allocated_resource, dev); | |
400 | ||
401 | if (ACPI_FAILURE(status)) { | |
402 | if (status != AE_NOT_FOUND) | |
403 | dev_err(&dev->dev, "can't evaluate _CRS: %d", status); | |
404 | return -EPERM; | |
405 | } | |
406 | return 0; | |
1da177e4 LT |
407 | } |
408 | ||
c1caf06c BH |
409 | static __init void pnpacpi_parse_dma_option(struct pnp_dev *dev, |
410 | struct pnp_option *option, | |
2bb9a6b3 | 411 | struct acpi_resource_dma *p) |
1da177e4 LT |
412 | { |
413 | int i; | |
c227536b | 414 | unsigned char map = 0, flags; |
1da177e4 | 415 | |
50eca3eb | 416 | if (p->channel_count == 0) |
1da177e4 | 417 | return; |
1da177e4 | 418 | |
9dd78466 | 419 | for (i = 0; i < p->channel_count; i++) |
c227536b | 420 | map |= 1 << p->channels[i]; |
1da177e4 | 421 | |
c227536b BH |
422 | flags = dma_flags(p->type, p->bus_master, p->transfer); |
423 | pnp_register_dma_resource(dev, option, map, flags); | |
1da177e4 LT |
424 | } |
425 | ||
c1caf06c BH |
426 | static __init void pnpacpi_parse_irq_option(struct pnp_dev *dev, |
427 | struct pnp_option *option, | |
2bb9a6b3 | 428 | struct acpi_resource_irq *p) |
1da177e4 LT |
429 | { |
430 | int i; | |
c227536b BH |
431 | pnp_irq_mask_t map; |
432 | unsigned char flags; | |
1c6e7d0a | 433 | |
50eca3eb | 434 | if (p->interrupt_count == 0) |
1da177e4 | 435 | return; |
1da177e4 | 436 | |
c227536b | 437 | bitmap_zero(map.bits, PNP_IRQ_NR); |
9dd78466 | 438 | for (i = 0; i < p->interrupt_count; i++) |
1da177e4 | 439 | if (p->interrupts[i]) |
c227536b | 440 | __set_bit(p->interrupts[i], map.bits); |
1da177e4 | 441 | |
c227536b BH |
442 | flags = irq_flags(p->triggering, p->polarity, p->sharable); |
443 | pnp_register_irq_resource(dev, option, &map, flags); | |
1da177e4 LT |
444 | } |
445 | ||
c1caf06c BH |
446 | static __init void pnpacpi_parse_ext_irq_option(struct pnp_dev *dev, |
447 | struct pnp_option *option, | |
2bb9a6b3 | 448 | struct acpi_resource_extended_irq *p) |
1da177e4 LT |
449 | { |
450 | int i; | |
c227536b BH |
451 | pnp_irq_mask_t map; |
452 | unsigned char flags; | |
1da177e4 | 453 | |
50eca3eb | 454 | if (p->interrupt_count == 0) |
1da177e4 | 455 | return; |
1da177e4 | 456 | |
c227536b | 457 | bitmap_zero(map.bits, PNP_IRQ_NR); |
fe2cf598 BH |
458 | for (i = 0; i < p->interrupt_count; i++) { |
459 | if (p->interrupts[i]) { | |
460 | if (p->interrupts[i] < PNP_IRQ_NR) | |
461 | __set_bit(p->interrupts[i], map.bits); | |
462 | else | |
463 | dev_err(&dev->dev, "ignoring IRQ %d option " | |
464 | "(too large for %d entry bitmap)\n", | |
465 | p->interrupts[i], PNP_IRQ_NR); | |
466 | } | |
467 | } | |
1da177e4 | 468 | |
c227536b BH |
469 | flags = irq_flags(p->triggering, p->polarity, p->sharable); |
470 | pnp_register_irq_resource(dev, option, &map, flags); | |
1da177e4 LT |
471 | } |
472 | ||
c1caf06c BH |
473 | static __init void pnpacpi_parse_port_option(struct pnp_dev *dev, |
474 | struct pnp_option *option, | |
2bb9a6b3 | 475 | struct acpi_resource_io *io) |
1da177e4 | 476 | { |
c227536b | 477 | unsigned char flags = 0; |
1da177e4 | 478 | |
50eca3eb | 479 | if (io->address_length == 0) |
1da177e4 | 480 | return; |
c227536b BH |
481 | |
482 | if (io->io_decode == ACPI_DECODE_16) | |
483 | flags = IORESOURCE_IO_16BIT_ADDR; | |
484 | pnp_register_port_resource(dev, option, io->minimum, io->maximum, | |
485 | io->alignment, io->address_length, flags); | |
1da177e4 LT |
486 | } |
487 | ||
c1caf06c BH |
488 | static __init void pnpacpi_parse_fixed_port_option(struct pnp_dev *dev, |
489 | struct pnp_option *option, | |
2bb9a6b3 | 490 | struct acpi_resource_fixed_io *io) |
1da177e4 | 491 | { |
50eca3eb | 492 | if (io->address_length == 0) |
1da177e4 | 493 | return; |
c227536b BH |
494 | |
495 | pnp_register_port_resource(dev, option, io->address, io->address, 0, | |
496 | io->address_length, IORESOURCE_IO_FIXED); | |
1da177e4 LT |
497 | } |
498 | ||
c1caf06c BH |
499 | static __init void pnpacpi_parse_mem24_option(struct pnp_dev *dev, |
500 | struct pnp_option *option, | |
2bb9a6b3 | 501 | struct acpi_resource_memory24 *p) |
1da177e4 | 502 | { |
c227536b | 503 | unsigned char flags = 0; |
1da177e4 | 504 | |
50eca3eb | 505 | if (p->address_length == 0) |
1da177e4 | 506 | return; |
1da177e4 | 507 | |
c227536b BH |
508 | if (p->write_protect == ACPI_READ_WRITE_MEMORY) |
509 | flags = IORESOURCE_MEM_WRITEABLE; | |
510 | pnp_register_mem_resource(dev, option, p->minimum, p->maximum, | |
511 | p->alignment, p->address_length, flags); | |
1da177e4 LT |
512 | } |
513 | ||
c1caf06c BH |
514 | static __init void pnpacpi_parse_mem32_option(struct pnp_dev *dev, |
515 | struct pnp_option *option, | |
2bb9a6b3 | 516 | struct acpi_resource_memory32 *p) |
1da177e4 | 517 | { |
c227536b | 518 | unsigned char flags = 0; |
1da177e4 | 519 | |
50eca3eb | 520 | if (p->address_length == 0) |
1da177e4 | 521 | return; |
1da177e4 | 522 | |
c227536b BH |
523 | if (p->write_protect == ACPI_READ_WRITE_MEMORY) |
524 | flags = IORESOURCE_MEM_WRITEABLE; | |
525 | pnp_register_mem_resource(dev, option, p->minimum, p->maximum, | |
526 | p->alignment, p->address_length, flags); | |
1da177e4 LT |
527 | } |
528 | ||
c1caf06c BH |
529 | static __init void pnpacpi_parse_fixed_mem32_option(struct pnp_dev *dev, |
530 | struct pnp_option *option, | |
2bb9a6b3 | 531 | struct acpi_resource_fixed_memory32 *p) |
1da177e4 | 532 | { |
c227536b | 533 | unsigned char flags = 0; |
1da177e4 | 534 | |
50eca3eb | 535 | if (p->address_length == 0) |
1da177e4 | 536 | return; |
1da177e4 | 537 | |
c227536b BH |
538 | if (p->write_protect == ACPI_READ_WRITE_MEMORY) |
539 | flags = IORESOURCE_MEM_WRITEABLE; | |
540 | pnp_register_mem_resource(dev, option, p->address, p->address, | |
541 | 0, p->address_length, flags); | |
1da177e4 LT |
542 | } |
543 | ||
c1caf06c BH |
544 | static __init void pnpacpi_parse_address_option(struct pnp_dev *dev, |
545 | struct pnp_option *option, | |
2bb9a6b3 | 546 | struct acpi_resource *r) |
6f957eaf BH |
547 | { |
548 | struct acpi_resource_address64 addr, *p = &addr; | |
549 | acpi_status status; | |
c227536b | 550 | unsigned char flags = 0; |
6f957eaf BH |
551 | |
552 | status = acpi_resource_to_address64(r, p); | |
553 | if (!ACPI_SUCCESS(status)) { | |
9dd78466 BH |
554 | pnp_warn("PnPACPI: failed to convert resource type %d", |
555 | r->type); | |
6f957eaf BH |
556 | return; |
557 | } | |
558 | ||
559 | if (p->address_length == 0) | |
560 | return; | |
561 | ||
562 | if (p->resource_type == ACPI_MEMORY_RANGE) { | |
c227536b BH |
563 | if (p->info.mem.write_protect == ACPI_READ_WRITE_MEMORY) |
564 | flags = IORESOURCE_MEM_WRITEABLE; | |
565 | pnp_register_mem_resource(dev, option, p->minimum, p->minimum, | |
566 | 0, p->address_length, flags); | |
567 | } else if (p->resource_type == ACPI_IO_RANGE) | |
568 | pnp_register_port_resource(dev, option, p->minimum, p->minimum, | |
569 | 0, p->address_length, | |
570 | IORESOURCE_IO_FIXED); | |
6f957eaf BH |
571 | } |
572 | ||
1da177e4 LT |
573 | struct acpipnp_parse_option_s { |
574 | struct pnp_option *option; | |
b008b8d7 | 575 | struct pnp_option *option_independent; |
1da177e4 LT |
576 | struct pnp_dev *dev; |
577 | }; | |
578 | ||
2bb9a6b3 TR |
579 | static __init acpi_status pnpacpi_option_resource(struct acpi_resource *res, |
580 | void *data) | |
1da177e4 LT |
581 | { |
582 | int priority = 0; | |
4721a4cc | 583 | struct acpipnp_parse_option_s *parse_data = data; |
1da177e4 LT |
584 | struct pnp_dev *dev = parse_data->dev; |
585 | struct pnp_option *option = parse_data->option; | |
586 | ||
eca008c8 | 587 | switch (res->type) { |
9dd78466 | 588 | case ACPI_RESOURCE_TYPE_IRQ: |
c1caf06c | 589 | pnpacpi_parse_irq_option(dev, option, &res->data.irq); |
9dd78466 | 590 | break; |
0af5853b | 591 | |
9dd78466 | 592 | case ACPI_RESOURCE_TYPE_DMA: |
c1caf06c | 593 | pnpacpi_parse_dma_option(dev, option, &res->data.dma); |
9dd78466 | 594 | break; |
0af5853b | 595 | |
9dd78466 BH |
596 | case ACPI_RESOURCE_TYPE_START_DEPENDENT: |
597 | switch (res->data.start_dpf.compatibility_priority) { | |
598 | case ACPI_GOOD_CONFIGURATION: | |
599 | priority = PNP_RES_PRIORITY_PREFERRED; | |
1da177e4 | 600 | break; |
0af5853b | 601 | |
9dd78466 BH |
602 | case ACPI_ACCEPTABLE_CONFIGURATION: |
603 | priority = PNP_RES_PRIORITY_ACCEPTABLE; | |
b008b8d7 | 604 | break; |
0af5853b | 605 | |
9dd78466 BH |
606 | case ACPI_SUB_OPTIMAL_CONFIGURATION: |
607 | priority = PNP_RES_PRIORITY_FUNCTIONAL; | |
0af5853b | 608 | break; |
9dd78466 BH |
609 | default: |
610 | priority = PNP_RES_PRIORITY_INVALID; | |
0af5853b | 611 | break; |
9dd78466 | 612 | } |
07d4e9af | 613 | /* TBD: Consider performance/robustness bits */ |
9dd78466 BH |
614 | option = pnp_register_dependent_option(dev, priority); |
615 | if (!option) | |
616 | return AE_ERROR; | |
617 | parse_data->option = option; | |
618 | break; | |
0af5853b | 619 | |
9dd78466 BH |
620 | case ACPI_RESOURCE_TYPE_END_DEPENDENT: |
621 | /*only one EndDependentFn is allowed */ | |
622 | if (!parse_data->option_independent) { | |
af11cb2d BH |
623 | dev_warn(&dev->dev, "more than one EndDependentFn " |
624 | "in _PRS\n"); | |
9dd78466 BH |
625 | return AE_ERROR; |
626 | } | |
627 | parse_data->option = parse_data->option_independent; | |
628 | parse_data->option_independent = NULL; | |
c1caf06c | 629 | dev_dbg(&dev->dev, "end dependent options\n"); |
9dd78466 | 630 | break; |
0af5853b | 631 | |
9dd78466 | 632 | case ACPI_RESOURCE_TYPE_IO: |
c1caf06c | 633 | pnpacpi_parse_port_option(dev, option, &res->data.io); |
9dd78466 | 634 | break; |
0af5853b | 635 | |
9dd78466 | 636 | case ACPI_RESOURCE_TYPE_FIXED_IO: |
c1caf06c BH |
637 | pnpacpi_parse_fixed_port_option(dev, option, |
638 | &res->data.fixed_io); | |
9dd78466 | 639 | break; |
0af5853b | 640 | |
9dd78466 BH |
641 | case ACPI_RESOURCE_TYPE_VENDOR: |
642 | case ACPI_RESOURCE_TYPE_END_TAG: | |
643 | break; | |
0af5853b | 644 | |
9dd78466 | 645 | case ACPI_RESOURCE_TYPE_MEMORY24: |
c1caf06c | 646 | pnpacpi_parse_mem24_option(dev, option, &res->data.memory24); |
9dd78466 | 647 | break; |
0af5853b | 648 | |
9dd78466 | 649 | case ACPI_RESOURCE_TYPE_MEMORY32: |
c1caf06c | 650 | pnpacpi_parse_mem32_option(dev, option, &res->data.memory32); |
9dd78466 | 651 | break; |
0af5853b | 652 | |
9dd78466 | 653 | case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: |
c1caf06c | 654 | pnpacpi_parse_fixed_mem32_option(dev, option, |
9dd78466 BH |
655 | &res->data.fixed_memory32); |
656 | break; | |
0af5853b | 657 | |
9dd78466 BH |
658 | case ACPI_RESOURCE_TYPE_ADDRESS16: |
659 | case ACPI_RESOURCE_TYPE_ADDRESS32: | |
660 | case ACPI_RESOURCE_TYPE_ADDRESS64: | |
c1caf06c | 661 | pnpacpi_parse_address_option(dev, option, res); |
9dd78466 | 662 | break; |
0af5853b | 663 | |
9dd78466 BH |
664 | case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64: |
665 | break; | |
666 | ||
667 | case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: | |
c1caf06c BH |
668 | pnpacpi_parse_ext_irq_option(dev, option, |
669 | &res->data.extended_irq); | |
9dd78466 BH |
670 | break; |
671 | ||
672 | case ACPI_RESOURCE_TYPE_GENERIC_REGISTER: | |
673 | break; | |
674 | ||
675 | default: | |
af11cb2d BH |
676 | dev_warn(&dev->dev, "unknown resource type %d in _PRS\n", |
677 | res->type); | |
9dd78466 | 678 | return AE_ERROR; |
1da177e4 | 679 | } |
1c6e7d0a | 680 | |
1da177e4 LT |
681 | return AE_OK; |
682 | } | |
683 | ||
d152cf5d | 684 | int __init pnpacpi_parse_resource_option_data(struct pnp_dev *dev) |
1da177e4 | 685 | { |
4ab55d8d | 686 | acpi_handle handle = dev->data; |
1da177e4 LT |
687 | acpi_status status; |
688 | struct acpipnp_parse_option_s parse_data; | |
689 | ||
72dcc883 BH |
690 | dev_dbg(&dev->dev, "parse resource options\n"); |
691 | ||
1da177e4 LT |
692 | parse_data.option = pnp_register_independent_option(dev); |
693 | if (!parse_data.option) | |
d152cf5d BH |
694 | return -ENOMEM; |
695 | ||
b008b8d7 | 696 | parse_data.option_independent = parse_data.option; |
1da177e4 | 697 | parse_data.dev = dev; |
50eca3eb | 698 | status = acpi_walk_resources(handle, METHOD_NAME__PRS, |
9dd78466 | 699 | pnpacpi_option_resource, &parse_data); |
1da177e4 | 700 | |
d152cf5d BH |
701 | if (ACPI_FAILURE(status)) { |
702 | if (status != AE_NOT_FOUND) | |
703 | dev_err(&dev->dev, "can't evaluate _PRS: %d", status); | |
704 | return -EPERM; | |
705 | } | |
706 | return 0; | |
1da177e4 LT |
707 | } |
708 | ||
b5f2490b | 709 | static int pnpacpi_supported_resource(struct acpi_resource *res) |
1da177e4 | 710 | { |
eca008c8 | 711 | switch (res->type) { |
50eca3eb | 712 | case ACPI_RESOURCE_TYPE_IRQ: |
50eca3eb BM |
713 | case ACPI_RESOURCE_TYPE_DMA: |
714 | case ACPI_RESOURCE_TYPE_IO: | |
715 | case ACPI_RESOURCE_TYPE_FIXED_IO: | |
716 | case ACPI_RESOURCE_TYPE_MEMORY24: | |
717 | case ACPI_RESOURCE_TYPE_MEMORY32: | |
718 | case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: | |
50eca3eb BM |
719 | case ACPI_RESOURCE_TYPE_ADDRESS16: |
720 | case ACPI_RESOURCE_TYPE_ADDRESS32: | |
721 | case ACPI_RESOURCE_TYPE_ADDRESS64: | |
0af5853b | 722 | case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: |
b5f2490b | 723 | return 1; |
1da177e4 | 724 | } |
b5f2490b BH |
725 | return 0; |
726 | } | |
727 | ||
728 | /* | |
729 | * Set resource | |
730 | */ | |
731 | static acpi_status pnpacpi_count_resources(struct acpi_resource *res, | |
9dd78466 | 732 | void *data) |
b5f2490b | 733 | { |
4721a4cc | 734 | int *res_cnt = data; |
b5f2490b BH |
735 | |
736 | if (pnpacpi_supported_resource(res)) | |
737 | (*res_cnt)++; | |
1da177e4 LT |
738 | return AE_OK; |
739 | } | |
740 | ||
1c6e7d0a | 741 | static acpi_status pnpacpi_type_resources(struct acpi_resource *res, void *data) |
1da177e4 | 742 | { |
4721a4cc | 743 | struct acpi_resource **resource = data; |
b5f2490b BH |
744 | |
745 | if (pnpacpi_supported_resource(res)) { | |
eca008c8 | 746 | (*resource)->type = res->type; |
b5f2490b | 747 | (*resource)->length = sizeof(struct acpi_resource); |
36d872a3 BH |
748 | if (res->type == ACPI_RESOURCE_TYPE_IRQ) |
749 | (*resource)->data.irq.descriptor_length = | |
750 | res->data.irq.descriptor_length; | |
1da177e4 | 751 | (*resource)++; |
1da177e4 LT |
752 | } |
753 | ||
754 | return AE_OK; | |
755 | } | |
756 | ||
cdef6254 | 757 | int pnpacpi_build_resource_template(struct pnp_dev *dev, |
9dd78466 | 758 | struct acpi_buffer *buffer) |
1da177e4 | 759 | { |
cdef6254 | 760 | acpi_handle handle = dev->data; |
1da177e4 LT |
761 | struct acpi_resource *resource; |
762 | int res_cnt = 0; | |
763 | acpi_status status; | |
764 | ||
50eca3eb | 765 | status = acpi_walk_resources(handle, METHOD_NAME__CRS, |
9dd78466 | 766 | pnpacpi_count_resources, &res_cnt); |
1da177e4 | 767 | if (ACPI_FAILURE(status)) { |
d152cf5d | 768 | dev_err(&dev->dev, "can't evaluate _CRS: %d\n", status); |
1da177e4 LT |
769 | return -EINVAL; |
770 | } | |
771 | if (!res_cnt) | |
772 | return -EINVAL; | |
773 | buffer->length = sizeof(struct acpi_resource) * (res_cnt + 1) + 1; | |
cd861280 | 774 | buffer->pointer = kzalloc(buffer->length - 1, GFP_KERNEL); |
1da177e4 LT |
775 | if (!buffer->pointer) |
776 | return -ENOMEM; | |
72dcc883 | 777 | |
1da177e4 | 778 | resource = (struct acpi_resource *)buffer->pointer; |
50eca3eb | 779 | status = acpi_walk_resources(handle, METHOD_NAME__CRS, |
9dd78466 | 780 | pnpacpi_type_resources, &resource); |
1da177e4 LT |
781 | if (ACPI_FAILURE(status)) { |
782 | kfree(buffer->pointer); | |
d152cf5d | 783 | dev_err(&dev->dev, "can't evaluate _CRS: %d\n", status); |
1da177e4 LT |
784 | return -EINVAL; |
785 | } | |
786 | /* resource will pointer the end resource now */ | |
50eca3eb | 787 | resource->type = ACPI_RESOURCE_TYPE_END_TAG; |
1da177e4 LT |
788 | |
789 | return 0; | |
790 | } | |
791 | ||
72dcc883 BH |
792 | static void pnpacpi_encode_irq(struct pnp_dev *dev, |
793 | struct acpi_resource *resource, | |
9dd78466 | 794 | struct resource *p) |
1da177e4 | 795 | { |
9570a20e | 796 | struct acpi_resource_irq *irq = &resource->data.irq; |
a993273b | 797 | int triggering, polarity, shareable; |
1c6e7d0a | 798 | |
aee3ad81 BH |
799 | if (!pnp_resource_enabled(p)) { |
800 | irq->interrupt_count = 0; | |
801 | dev_dbg(&dev->dev, " encode irq (%s)\n", | |
802 | p ? "disabled" : "missing"); | |
803 | return; | |
804 | } | |
805 | ||
a993273b | 806 | decode_irq_flags(dev, p->flags, &triggering, &polarity, &shareable); |
9570a20e BH |
807 | irq->triggering = triggering; |
808 | irq->polarity = polarity; | |
a993273b | 809 | irq->sharable = shareable; |
9570a20e BH |
810 | irq->interrupt_count = 1; |
811 | irq->interrupts[0] = p->start; | |
72dcc883 | 812 | |
36d872a3 BH |
813 | dev_dbg(&dev->dev, " encode irq %d %s %s %s (%d-byte descriptor)\n", |
814 | (int) p->start, | |
72dcc883 BH |
815 | triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge", |
816 | polarity == ACPI_ACTIVE_LOW ? "low" : "high", | |
36d872a3 BH |
817 | irq->sharable == ACPI_SHARED ? "shared" : "exclusive", |
818 | irq->descriptor_length); | |
1da177e4 LT |
819 | } |
820 | ||
72dcc883 BH |
821 | static void pnpacpi_encode_ext_irq(struct pnp_dev *dev, |
822 | struct acpi_resource *resource, | |
9dd78466 | 823 | struct resource *p) |
1da177e4 | 824 | { |
9570a20e | 825 | struct acpi_resource_extended_irq *extended_irq = &resource->data.extended_irq; |
a993273b | 826 | int triggering, polarity, shareable; |
1c6e7d0a | 827 | |
aee3ad81 BH |
828 | if (!pnp_resource_enabled(p)) { |
829 | extended_irq->interrupt_count = 0; | |
830 | dev_dbg(&dev->dev, " encode extended irq (%s)\n", | |
831 | p ? "disabled" : "missing"); | |
832 | return; | |
833 | } | |
834 | ||
a993273b | 835 | decode_irq_flags(dev, p->flags, &triggering, &polarity, &shareable); |
9570a20e BH |
836 | extended_irq->producer_consumer = ACPI_CONSUMER; |
837 | extended_irq->triggering = triggering; | |
838 | extended_irq->polarity = polarity; | |
a993273b | 839 | extended_irq->sharable = shareable; |
9570a20e BH |
840 | extended_irq->interrupt_count = 1; |
841 | extended_irq->interrupts[0] = p->start; | |
72dcc883 BH |
842 | |
843 | dev_dbg(&dev->dev, " encode irq %d %s %s %s\n", (int) p->start, | |
844 | triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge", | |
845 | polarity == ACPI_ACTIVE_LOW ? "low" : "high", | |
846 | extended_irq->sharable == ACPI_SHARED ? "shared" : "exclusive"); | |
1da177e4 LT |
847 | } |
848 | ||
72dcc883 BH |
849 | static void pnpacpi_encode_dma(struct pnp_dev *dev, |
850 | struct acpi_resource *resource, | |
9dd78466 | 851 | struct resource *p) |
1da177e4 | 852 | { |
9570a20e BH |
853 | struct acpi_resource_dma *dma = &resource->data.dma; |
854 | ||
aee3ad81 BH |
855 | if (!pnp_resource_enabled(p)) { |
856 | dma->channel_count = 0; | |
857 | dev_dbg(&dev->dev, " encode dma (%s)\n", | |
858 | p ? "disabled" : "missing"); | |
859 | return; | |
860 | } | |
861 | ||
1da177e4 | 862 | /* Note: pnp_assign_dma will copy pnp_dma->flags into p->flags */ |
ccc4c7bb | 863 | switch (p->flags & IORESOURCE_DMA_SPEED_MASK) { |
9dd78466 | 864 | case IORESOURCE_DMA_TYPEA: |
9570a20e | 865 | dma->type = ACPI_TYPE_A; |
9dd78466 BH |
866 | break; |
867 | case IORESOURCE_DMA_TYPEB: | |
9570a20e | 868 | dma->type = ACPI_TYPE_B; |
9dd78466 BH |
869 | break; |
870 | case IORESOURCE_DMA_TYPEF: | |
9570a20e | 871 | dma->type = ACPI_TYPE_F; |
9dd78466 BH |
872 | break; |
873 | default: | |
9570a20e | 874 | dma->type = ACPI_COMPATIBILITY; |
ccc4c7bb VP |
875 | } |
876 | ||
877 | switch (p->flags & IORESOURCE_DMA_TYPE_MASK) { | |
9dd78466 | 878 | case IORESOURCE_DMA_8BIT: |
9570a20e | 879 | dma->transfer = ACPI_TRANSFER_8; |
9dd78466 BH |
880 | break; |
881 | case IORESOURCE_DMA_8AND16BIT: | |
9570a20e | 882 | dma->transfer = ACPI_TRANSFER_8_16; |
9dd78466 BH |
883 | break; |
884 | default: | |
9570a20e | 885 | dma->transfer = ACPI_TRANSFER_16; |
ccc4c7bb VP |
886 | } |
887 | ||
9570a20e BH |
888 | dma->bus_master = !!(p->flags & IORESOURCE_DMA_MASTER); |
889 | dma->channel_count = 1; | |
890 | dma->channels[0] = p->start; | |
72dcc883 BH |
891 | |
892 | dev_dbg(&dev->dev, " encode dma %d " | |
893 | "type %#x transfer %#x master %d\n", | |
894 | (int) p->start, dma->type, dma->transfer, dma->bus_master); | |
1da177e4 LT |
895 | } |
896 | ||
72dcc883 BH |
897 | static void pnpacpi_encode_io(struct pnp_dev *dev, |
898 | struct acpi_resource *resource, | |
9dd78466 | 899 | struct resource *p) |
1da177e4 | 900 | { |
9570a20e BH |
901 | struct acpi_resource_io *io = &resource->data.io; |
902 | ||
aee3ad81 BH |
903 | if (pnp_resource_enabled(p)) { |
904 | /* Note: pnp_assign_port copies pnp_port->flags into p->flags */ | |
08c9f262 | 905 | io->io_decode = (p->flags & IORESOURCE_IO_16BIT_ADDR) ? |
aee3ad81 BH |
906 | ACPI_DECODE_16 : ACPI_DECODE_10; |
907 | io->minimum = p->start; | |
908 | io->maximum = p->end; | |
909 | io->alignment = 0; /* Correct? */ | |
910 | io->address_length = p->end - p->start + 1; | |
911 | } else { | |
912 | io->minimum = 0; | |
913 | io->address_length = 0; | |
914 | } | |
72dcc883 | 915 | |
aee3ad81 BH |
916 | dev_dbg(&dev->dev, " encode io %#x-%#x decode %#x\n", io->minimum, |
917 | io->minimum + io->address_length - 1, io->io_decode); | |
1da177e4 LT |
918 | } |
919 | ||
72dcc883 BH |
920 | static void pnpacpi_encode_fixed_io(struct pnp_dev *dev, |
921 | struct acpi_resource *resource, | |
9dd78466 | 922 | struct resource *p) |
1da177e4 | 923 | { |
9570a20e BH |
924 | struct acpi_resource_fixed_io *fixed_io = &resource->data.fixed_io; |
925 | ||
aee3ad81 BH |
926 | if (pnp_resource_enabled(p)) { |
927 | fixed_io->address = p->start; | |
928 | fixed_io->address_length = p->end - p->start + 1; | |
929 | } else { | |
930 | fixed_io->address = 0; | |
931 | fixed_io->address_length = 0; | |
932 | } | |
72dcc883 | 933 | |
aee3ad81 BH |
934 | dev_dbg(&dev->dev, " encode fixed_io %#x-%#x\n", fixed_io->address, |
935 | fixed_io->address + fixed_io->address_length - 1); | |
1da177e4 LT |
936 | } |
937 | ||
72dcc883 BH |
938 | static void pnpacpi_encode_mem24(struct pnp_dev *dev, |
939 | struct acpi_resource *resource, | |
9dd78466 | 940 | struct resource *p) |
1da177e4 | 941 | { |
9570a20e BH |
942 | struct acpi_resource_memory24 *memory24 = &resource->data.memory24; |
943 | ||
aee3ad81 BH |
944 | if (pnp_resource_enabled(p)) { |
945 | /* Note: pnp_assign_mem copies pnp_mem->flags into p->flags */ | |
946 | memory24->write_protect = p->flags & IORESOURCE_MEM_WRITEABLE ? | |
947 | ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY; | |
948 | memory24->minimum = p->start; | |
949 | memory24->maximum = p->end; | |
950 | memory24->alignment = 0; | |
951 | memory24->address_length = p->end - p->start + 1; | |
952 | } else { | |
953 | memory24->minimum = 0; | |
954 | memory24->address_length = 0; | |
955 | } | |
956 | ||
957 | dev_dbg(&dev->dev, " encode mem24 %#x-%#x write_protect %#x\n", | |
958 | memory24->minimum, | |
959 | memory24->minimum + memory24->address_length - 1, | |
72dcc883 | 960 | memory24->write_protect); |
1da177e4 LT |
961 | } |
962 | ||
72dcc883 BH |
963 | static void pnpacpi_encode_mem32(struct pnp_dev *dev, |
964 | struct acpi_resource *resource, | |
9dd78466 | 965 | struct resource *p) |
1da177e4 | 966 | { |
9570a20e BH |
967 | struct acpi_resource_memory32 *memory32 = &resource->data.memory32; |
968 | ||
aee3ad81 BH |
969 | if (pnp_resource_enabled(p)) { |
970 | memory32->write_protect = p->flags & IORESOURCE_MEM_WRITEABLE ? | |
971 | ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY; | |
972 | memory32->minimum = p->start; | |
973 | memory32->maximum = p->end; | |
974 | memory32->alignment = 0; | |
975 | memory32->address_length = p->end - p->start + 1; | |
976 | } else { | |
977 | memory32->minimum = 0; | |
978 | memory32->alignment = 0; | |
979 | } | |
72dcc883 | 980 | |
aee3ad81 BH |
981 | dev_dbg(&dev->dev, " encode mem32 %#x-%#x write_protect %#x\n", |
982 | memory32->minimum, | |
983 | memory32->minimum + memory32->address_length - 1, | |
72dcc883 | 984 | memory32->write_protect); |
1da177e4 LT |
985 | } |
986 | ||
72dcc883 BH |
987 | static void pnpacpi_encode_fixed_mem32(struct pnp_dev *dev, |
988 | struct acpi_resource *resource, | |
9dd78466 | 989 | struct resource *p) |
1da177e4 | 990 | { |
9570a20e BH |
991 | struct acpi_resource_fixed_memory32 *fixed_memory32 = &resource->data.fixed_memory32; |
992 | ||
aee3ad81 BH |
993 | if (pnp_resource_enabled(p)) { |
994 | fixed_memory32->write_protect = | |
995 | p->flags & IORESOURCE_MEM_WRITEABLE ? | |
996 | ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY; | |
997 | fixed_memory32->address = p->start; | |
998 | fixed_memory32->address_length = p->end - p->start + 1; | |
999 | } else { | |
1000 | fixed_memory32->address = 0; | |
1001 | fixed_memory32->address_length = 0; | |
1002 | } | |
72dcc883 | 1003 | |
aee3ad81 BH |
1004 | dev_dbg(&dev->dev, " encode fixed_mem32 %#x-%#x write_protect %#x\n", |
1005 | fixed_memory32->address, | |
1006 | fixed_memory32->address + fixed_memory32->address_length - 1, | |
72dcc883 | 1007 | fixed_memory32->write_protect); |
1da177e4 LT |
1008 | } |
1009 | ||
4ab55d8d | 1010 | int pnpacpi_encode_resources(struct pnp_dev *dev, struct acpi_buffer *buffer) |
1da177e4 LT |
1011 | { |
1012 | int i = 0; | |
1013 | /* pnpacpi_build_resource_template allocates extra mem */ | |
9dd78466 | 1014 | int res_cnt = (buffer->length - 1) / sizeof(struct acpi_resource) - 1; |
4721a4cc | 1015 | struct acpi_resource *resource = buffer->pointer; |
1da177e4 LT |
1016 | int port = 0, irq = 0, dma = 0, mem = 0; |
1017 | ||
72dcc883 | 1018 | dev_dbg(&dev->dev, "encode %d resources\n", res_cnt); |
1da177e4 | 1019 | while (i < res_cnt) { |
9dd78466 | 1020 | switch (resource->type) { |
50eca3eb | 1021 | case ACPI_RESOURCE_TYPE_IRQ: |
72dcc883 | 1022 | pnpacpi_encode_irq(dev, resource, |
7e2cf31f | 1023 | pnp_get_resource(dev, IORESOURCE_IRQ, irq)); |
1da177e4 LT |
1024 | irq++; |
1025 | break; | |
1026 | ||
50eca3eb | 1027 | case ACPI_RESOURCE_TYPE_DMA: |
72dcc883 | 1028 | pnpacpi_encode_dma(dev, resource, |
7e2cf31f | 1029 | pnp_get_resource(dev, IORESOURCE_DMA, dma)); |
1c6e7d0a | 1030 | dma++; |
1da177e4 | 1031 | break; |
50eca3eb | 1032 | case ACPI_RESOURCE_TYPE_IO: |
72dcc883 | 1033 | pnpacpi_encode_io(dev, resource, |
7e2cf31f | 1034 | pnp_get_resource(dev, IORESOURCE_IO, port)); |
1c6e7d0a | 1035 | port++; |
1da177e4 | 1036 | break; |
50eca3eb | 1037 | case ACPI_RESOURCE_TYPE_FIXED_IO: |
72dcc883 | 1038 | pnpacpi_encode_fixed_io(dev, resource, |
7e2cf31f | 1039 | pnp_get_resource(dev, IORESOURCE_IO, port)); |
1c6e7d0a | 1040 | port++; |
1da177e4 | 1041 | break; |
50eca3eb | 1042 | case ACPI_RESOURCE_TYPE_MEMORY24: |
72dcc883 | 1043 | pnpacpi_encode_mem24(dev, resource, |
7e2cf31f | 1044 | pnp_get_resource(dev, IORESOURCE_MEM, mem)); |
1c6e7d0a | 1045 | mem++; |
1da177e4 | 1046 | break; |
50eca3eb | 1047 | case ACPI_RESOURCE_TYPE_MEMORY32: |
72dcc883 | 1048 | pnpacpi_encode_mem32(dev, resource, |
7e2cf31f | 1049 | pnp_get_resource(dev, IORESOURCE_MEM, mem)); |
1c6e7d0a | 1050 | mem++; |
1da177e4 | 1051 | break; |
50eca3eb | 1052 | case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: |
72dcc883 | 1053 | pnpacpi_encode_fixed_mem32(dev, resource, |
7e2cf31f | 1054 | pnp_get_resource(dev, IORESOURCE_MEM, mem)); |
1c6e7d0a | 1055 | mem++; |
1da177e4 | 1056 | break; |
0af5853b | 1057 | case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: |
72dcc883 | 1058 | pnpacpi_encode_ext_irq(dev, resource, |
7e2cf31f | 1059 | pnp_get_resource(dev, IORESOURCE_IRQ, irq)); |
0af5853b LB |
1060 | irq++; |
1061 | break; | |
1062 | case ACPI_RESOURCE_TYPE_START_DEPENDENT: | |
1063 | case ACPI_RESOURCE_TYPE_END_DEPENDENT: | |
1064 | case ACPI_RESOURCE_TYPE_VENDOR: | |
1065 | case ACPI_RESOURCE_TYPE_END_TAG: | |
1066 | case ACPI_RESOURCE_TYPE_ADDRESS16: | |
1067 | case ACPI_RESOURCE_TYPE_ADDRESS32: | |
1068 | case ACPI_RESOURCE_TYPE_ADDRESS64: | |
1069 | case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64: | |
1070 | case ACPI_RESOURCE_TYPE_GENERIC_REGISTER: | |
9dd78466 | 1071 | default: /* other type */ |
af11cb2d BH |
1072 | dev_warn(&dev->dev, "can't encode unknown resource " |
1073 | "type %d\n", resource->type); | |
1da177e4 LT |
1074 | return -EINVAL; |
1075 | } | |
1c6e7d0a BH |
1076 | resource++; |
1077 | i++; | |
1da177e4 LT |
1078 | } |
1079 | return 0; | |
1080 | } |