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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 | 39 | static 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 | 61 | static 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 | 96 | static 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 |
135 | static 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 | 179 | static 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 | */ | |
203 | static 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 | ||
209 | static 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 | ||
238 | static 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 | 251 | static 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 |
268 | static 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 | 276 | static 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 |
306 | static 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 | 328 | static 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 | 485 | int 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 | 506 | static __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 | 523 | static __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 | 543 | static __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 | 570 | static __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 | 585 | static __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 | 596 | static __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 | 611 | static __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 | 626 | static __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 | 641 | static __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 |
671 | static __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 | 693 | struct acpipnp_parse_option_s { |
1da177e4 | 694 | struct pnp_dev *dev; |
1f32ca31 | 695 | unsigned int option_flags; |
1da177e4 LT |
696 | }; |
697 | ||
2bb9a6b3 TR |
698 | static __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 | 794 | int __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 | 817 | static 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 | */ | |
840 | static 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 | 850 | static 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 | 866 | int 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 |
902 | static 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 |
931 | static 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 |
959 | static 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 |
1007 | static 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 |
1030 | static 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 |
1048 | static 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 |
1073 | static 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 |
1097 | static 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 | 1120 | int 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 | } |