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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 | 26 | #include <linux/pnp.h> |
5a0e3ad6 | 27 | #include <linux/slab.h> |
02d83b5d | 28 | #include "../base.h" |
1da177e4 LT |
29 | #include "pnpacpi.h" |
30 | ||
31 | #ifdef CONFIG_IA64 | |
32 | #define valid_IRQ(i) (1) | |
33 | #else | |
34 | #define valid_IRQ(i) (((i) != 0) && ((i) != 2)) | |
35 | #endif | |
36 | ||
37 | /* | |
38 | * Allocated Resources | |
39 | */ | |
cd7ec927 | 40 | static int irq_flags(int triggering, int polarity, int shareable) |
1da177e4 | 41 | { |
cd7ec927 BH |
42 | int flags; |
43 | ||
50eca3eb | 44 | if (triggering == ACPI_LEVEL_SENSITIVE) { |
1c6e7d0a | 45 | if (polarity == ACPI_ACTIVE_LOW) |
cd7ec927 | 46 | flags = IORESOURCE_IRQ_LOWLEVEL; |
1da177e4 | 47 | else |
cd7ec927 | 48 | flags = IORESOURCE_IRQ_HIGHLEVEL; |
9dd78466 | 49 | } else { |
1c6e7d0a | 50 | if (polarity == ACPI_ACTIVE_LOW) |
cd7ec927 | 51 | flags = IORESOURCE_IRQ_LOWEDGE; |
1da177e4 | 52 | else |
cd7ec927 | 53 | flags = IORESOURCE_IRQ_HIGHEDGE; |
1da177e4 | 54 | } |
cd7ec927 | 55 | |
a993273b | 56 | if (shareable == ACPI_SHARED) |
cd7ec927 BH |
57 | flags |= IORESOURCE_IRQ_SHAREABLE; |
58 | ||
59 | return flags; | |
1da177e4 LT |
60 | } |
61 | ||
e9fe9e18 | 62 | static void decode_irq_flags(struct pnp_dev *dev, int flags, int *triggering, |
a993273b | 63 | int *polarity, int *shareable) |
1da177e4 | 64 | { |
e9fe9e18 BH |
65 | switch (flags & (IORESOURCE_IRQ_LOWLEVEL | IORESOURCE_IRQ_HIGHLEVEL | |
66 | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE)) { | |
1da177e4 | 67 | case IORESOURCE_IRQ_LOWLEVEL: |
50eca3eb BM |
68 | *triggering = ACPI_LEVEL_SENSITIVE; |
69 | *polarity = ACPI_ACTIVE_LOW; | |
1da177e4 | 70 | break; |
1c6e7d0a | 71 | case IORESOURCE_IRQ_HIGHLEVEL: |
50eca3eb BM |
72 | *triggering = ACPI_LEVEL_SENSITIVE; |
73 | *polarity = ACPI_ACTIVE_HIGH; | |
1da177e4 LT |
74 | break; |
75 | case IORESOURCE_IRQ_LOWEDGE: | |
50eca3eb BM |
76 | *triggering = ACPI_EDGE_SENSITIVE; |
77 | *polarity = ACPI_ACTIVE_LOW; | |
1da177e4 LT |
78 | break; |
79 | case IORESOURCE_IRQ_HIGHEDGE: | |
50eca3eb BM |
80 | *triggering = ACPI_EDGE_SENSITIVE; |
81 | *polarity = ACPI_ACTIVE_HIGH; | |
1da177e4 | 82 | break; |
e9fe9e18 BH |
83 | default: |
84 | dev_err(&dev->dev, "can't encode invalid IRQ mode %#x\n", | |
85 | flags); | |
86 | *triggering = ACPI_EDGE_SENSITIVE; | |
87 | *polarity = ACPI_ACTIVE_HIGH; | |
88 | break; | |
1da177e4 | 89 | } |
a993273b BH |
90 | |
91 | if (flags & IORESOURCE_IRQ_SHAREABLE) | |
92 | *shareable = ACPI_SHARED; | |
93 | else | |
94 | *shareable = ACPI_EXCLUSIVE; | |
1da177e4 LT |
95 | } |
96 | ||
4ab55d8d | 97 | static void pnpacpi_parse_allocated_irqresource(struct pnp_dev *dev, |
07d4e9af BH |
98 | u32 gsi, int triggering, |
99 | int polarity, int shareable) | |
1da177e4 | 100 | { |
dbddd038 | 101 | int irq, flags; |
61fd47e0 | 102 | int p, t; |
dbed12da | 103 | |
5acf9141 BH |
104 | if (!valid_IRQ(gsi)) { |
105 | pnp_add_irq_resource(dev, gsi, IORESOURCE_DISABLED); | |
dbed12da | 106 | return; |
5acf9141 | 107 | } |
dbed12da | 108 | |
61fd47e0 SL |
109 | /* |
110 | * in IO-APIC mode, use overrided attribute. Two reasons: | |
111 | * 1. BIOS bug in DSDT | |
112 | * 2. BIOS uses IO-APIC mode Interrupt Source Override | |
113 | */ | |
114 | if (!acpi_get_override_irq(gsi, &t, &p)) { | |
115 | t = t ? ACPI_LEVEL_SENSITIVE : ACPI_EDGE_SENSITIVE; | |
116 | p = p ? ACPI_ACTIVE_LOW : ACPI_ACTIVE_HIGH; | |
117 | ||
118 | if (triggering != t || polarity != p) { | |
af11cb2d | 119 | dev_warn(&dev->dev, "IRQ %d override to %s, %s\n", |
61fd47e0 SL |
120 | gsi, t ? "edge":"level", p ? "low":"high"); |
121 | triggering = t; | |
122 | polarity = p; | |
123 | } | |
124 | } | |
125 | ||
dbddd038 | 126 | flags = irq_flags(triggering, polarity, shareable); |
a2f809b0 | 127 | irq = acpi_register_gsi(&dev->dev, gsi, triggering, polarity); |
dbddd038 BH |
128 | if (irq >= 0) |
129 | pcibios_penalize_isa_irq(irq, 1); | |
130 | else | |
131 | flags |= IORESOURCE_DISABLED; | |
dbed12da | 132 | |
dbddd038 | 133 | pnp_add_irq_resource(dev, irq, flags); |
1da177e4 LT |
134 | } |
135 | ||
958a1fdd BH |
136 | static int dma_flags(struct pnp_dev *dev, int type, int bus_master, |
137 | int transfer) | |
362ea087 MK |
138 | { |
139 | int flags = 0; | |
140 | ||
141 | if (bus_master) | |
142 | flags |= IORESOURCE_DMA_MASTER; | |
143 | switch (type) { | |
144 | case ACPI_COMPATIBILITY: | |
145 | flags |= IORESOURCE_DMA_COMPATIBLE; | |
146 | break; | |
147 | case ACPI_TYPE_A: | |
148 | flags |= IORESOURCE_DMA_TYPEA; | |
149 | break; | |
150 | case ACPI_TYPE_B: | |
151 | flags |= IORESOURCE_DMA_TYPEB; | |
152 | break; | |
153 | case ACPI_TYPE_F: | |
154 | flags |= IORESOURCE_DMA_TYPEF; | |
155 | break; | |
156 | default: | |
157 | /* Set a default value ? */ | |
158 | flags |= IORESOURCE_DMA_COMPATIBLE; | |
958a1fdd | 159 | dev_err(&dev->dev, "invalid DMA type %d\n", type); |
362ea087 MK |
160 | } |
161 | switch (transfer) { | |
162 | case ACPI_TRANSFER_8: | |
163 | flags |= IORESOURCE_DMA_8BIT; | |
164 | break; | |
165 | case ACPI_TRANSFER_8_16: | |
166 | flags |= IORESOURCE_DMA_8AND16BIT; | |
167 | break; | |
168 | case ACPI_TRANSFER_16: | |
169 | flags |= IORESOURCE_DMA_16BIT; | |
170 | break; | |
171 | default: | |
172 | /* Set a default value ? */ | |
173 | flags |= IORESOURCE_DMA_8AND16BIT; | |
958a1fdd | 174 | dev_err(&dev->dev, "invalid DMA transfer type %d\n", transfer); |
362ea087 MK |
175 | } |
176 | ||
177 | return flags; | |
178 | } | |
179 | ||
cc8c2e30 | 180 | static void pnpacpi_parse_allocated_ioresource(struct pnp_dev *dev, u64 start, |
fa35b492 BH |
181 | u64 len, int io_decode, |
182 | int window) | |
1da177e4 | 183 | { |
cc8c2e30 BH |
184 | int flags = 0; |
185 | u64 end = start + len - 1; | |
07d4e9af | 186 | |
cc8c2e30 | 187 | if (io_decode == ACPI_DECODE_16) |
08c9f262 | 188 | flags |= IORESOURCE_IO_16BIT_ADDR; |
cc8c2e30 BH |
189 | if (len == 0 || end >= 0x10003) |
190 | flags |= IORESOURCE_DISABLED; | |
fa35b492 BH |
191 | if (window) |
192 | flags |= IORESOURCE_WINDOW; | |
cc8c2e30 BH |
193 | |
194 | pnp_add_io_resource(dev, start, end, flags); | |
1da177e4 LT |
195 | } |
196 | ||
40ab4f4c BH |
197 | /* |
198 | * Device CSRs that do not appear in PCI config space should be described | |
199 | * via ACPI. This would normally be done with Address Space Descriptors | |
200 | * marked as "consumer-only," but old versions of Windows and Linux ignore | |
201 | * the producer/consumer flag, so HP invented a vendor-defined resource to | |
202 | * describe the location and size of CSR space. | |
203 | */ | |
204 | static struct acpi_vendor_uuid hp_ccsr_uuid = { | |
205 | .subtype = 2, | |
206 | .data = { 0xf9, 0xad, 0xe9, 0x69, 0x4f, 0x92, 0x5f, 0xab, 0xf6, 0x4a, | |
207 | 0x24, 0xd2, 0x01, 0x37, 0x0e, 0xad }, | |
208 | }; | |
209 | ||
210 | static int vendor_resource_matches(struct pnp_dev *dev, | |
211 | struct acpi_resource_vendor_typed *vendor, | |
212 | struct acpi_vendor_uuid *match, | |
213 | int expected_len) | |
214 | { | |
215 | int uuid_len = sizeof(vendor->uuid); | |
216 | u8 uuid_subtype = vendor->uuid_subtype; | |
217 | u8 *uuid = vendor->uuid; | |
218 | int actual_len; | |
219 | ||
220 | /* byte_length includes uuid_subtype and uuid */ | |
221 | actual_len = vendor->byte_length - uuid_len - 1; | |
222 | ||
223 | if (uuid_subtype == match->subtype && | |
224 | uuid_len == sizeof(match->data) && | |
225 | memcmp(uuid, match->data, uuid_len) == 0) { | |
226 | if (expected_len && expected_len != actual_len) { | |
227 | dev_err(&dev->dev, "wrong vendor descriptor size; " | |
228 | "expected %d, found %d bytes\n", | |
229 | expected_len, actual_len); | |
230 | return 0; | |
231 | } | |
232 | ||
233 | return 1; | |
234 | } | |
235 | ||
236 | return 0; | |
237 | } | |
238 | ||
239 | static void pnpacpi_parse_allocated_vendor(struct pnp_dev *dev, | |
240 | struct acpi_resource_vendor_typed *vendor) | |
241 | { | |
242 | if (vendor_resource_matches(dev, vendor, &hp_ccsr_uuid, 16)) { | |
243 | u64 start, length; | |
244 | ||
245 | memcpy(&start, vendor->byte_data, sizeof(start)); | |
246 | memcpy(&length, vendor->byte_data + 8, sizeof(length)); | |
247 | ||
248 | pnp_add_mem_resource(dev, start, start + length - 1, 0); | |
249 | } | |
250 | } | |
251 | ||
4ab55d8d | 252 | static void pnpacpi_parse_allocated_memresource(struct pnp_dev *dev, |
d6180f36 | 253 | u64 start, u64 len, |
fa35b492 | 254 | int write_protect, int window) |
1da177e4 | 255 | { |
d6180f36 BH |
256 | int flags = 0; |
257 | u64 end = start + len - 1; | |
258 | ||
259 | if (len == 0) | |
260 | flags |= IORESOURCE_DISABLED; | |
261 | if (write_protect == ACPI_READ_WRITE_MEMORY) | |
262 | flags |= IORESOURCE_MEM_WRITEABLE; | |
fa35b492 BH |
263 | if (window) |
264 | flags |= IORESOURCE_WINDOW; | |
d6180f36 BH |
265 | |
266 | pnp_add_mem_resource(dev, start, end, flags); | |
1da177e4 LT |
267 | } |
268 | ||
7e0e9c04 BH |
269 | static void pnpacpi_parse_allocated_busresource(struct pnp_dev *dev, |
270 | u64 start, u64 len) | |
271 | { | |
272 | u64 end = start + len - 1; | |
273 | ||
274 | pnp_add_bus_resource(dev, start, end); | |
275 | } | |
276 | ||
4ab55d8d | 277 | static void pnpacpi_parse_allocated_address_space(struct pnp_dev *dev, |
07d4e9af | 278 | struct acpi_resource *res) |
1acfb7f2 BH |
279 | { |
280 | struct acpi_resource_address64 addr, *p = &addr; | |
281 | acpi_status status; | |
fa35b492 | 282 | int window; |
1acfb7f2 BH |
283 | |
284 | status = acpi_resource_to_address64(res, p); | |
285 | if (!ACPI_SUCCESS(status)) { | |
af11cb2d | 286 | dev_warn(&dev->dev, "failed to convert resource type %d\n", |
9dd78466 | 287 | res->type); |
1acfb7f2 BH |
288 | return; |
289 | } | |
290 | ||
fa35b492 | 291 | window = (p->producer_consumer == ACPI_PRODUCER) ? 1 : 0; |
2b8de5f5 | 292 | |
1acfb7f2 | 293 | if (p->resource_type == ACPI_MEMORY_RANGE) |
4ab55d8d | 294 | pnpacpi_parse_allocated_memresource(dev, |
07d4e9af | 295 | p->minimum, p->address_length, |
fa35b492 | 296 | p->info.mem.write_protect, window); |
1acfb7f2 | 297 | else if (p->resource_type == ACPI_IO_RANGE) |
4ab55d8d | 298 | pnpacpi_parse_allocated_ioresource(dev, |
07d4e9af BH |
299 | p->minimum, p->address_length, |
300 | p->granularity == 0xfff ? ACPI_DECODE_10 : | |
fa35b492 | 301 | ACPI_DECODE_16, window); |
7e0e9c04 BH |
302 | else if (p->resource_type == ACPI_BUS_NUMBER_RANGE) |
303 | pnpacpi_parse_allocated_busresource(dev, p->minimum, | |
304 | p->address_length); | |
1acfb7f2 | 305 | } |
1da177e4 | 306 | |
8cb24c8f BH |
307 | static void pnpacpi_parse_allocated_ext_address_space(struct pnp_dev *dev, |
308 | struct acpi_resource *res) | |
309 | { | |
310 | struct acpi_resource_extended_address64 *p = &res->data.ext_address64; | |
fa35b492 | 311 | int window; |
8cb24c8f | 312 | |
fa35b492 | 313 | window = (p->producer_consumer == ACPI_PRODUCER) ? 1 : 0; |
8cb24c8f BH |
314 | |
315 | if (p->resource_type == ACPI_MEMORY_RANGE) | |
316 | pnpacpi_parse_allocated_memresource(dev, | |
317 | p->minimum, p->address_length, | |
fa35b492 | 318 | p->info.mem.write_protect, window); |
8cb24c8f BH |
319 | else if (p->resource_type == ACPI_IO_RANGE) |
320 | pnpacpi_parse_allocated_ioresource(dev, | |
321 | p->minimum, p->address_length, | |
322 | p->granularity == 0xfff ? ACPI_DECODE_10 : | |
fa35b492 | 323 | ACPI_DECODE_16, window); |
7e0e9c04 BH |
324 | else if (p->resource_type == ACPI_BUS_NUMBER_RANGE) |
325 | pnpacpi_parse_allocated_busresource(dev, p->minimum, | |
326 | p->address_length); | |
8cb24c8f BH |
327 | } |
328 | ||
1da177e4 | 329 | static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res, |
9dd78466 | 330 | void *data) |
1da177e4 | 331 | { |
4ab55d8d | 332 | struct pnp_dev *dev = data; |
9570a20e BH |
333 | struct acpi_resource_irq *irq; |
334 | struct acpi_resource_dma *dma; | |
335 | struct acpi_resource_io *io; | |
336 | struct acpi_resource_fixed_io *fixed_io; | |
40ab4f4c | 337 | struct acpi_resource_vendor_typed *vendor_typed; |
9570a20e BH |
338 | struct acpi_resource_memory24 *memory24; |
339 | struct acpi_resource_memory32 *memory32; | |
340 | struct acpi_resource_fixed_memory32 *fixed_memory32; | |
341 | struct acpi_resource_extended_irq *extended_irq; | |
dc16f5f2 | 342 | int i, flags; |
1da177e4 | 343 | |
eca008c8 | 344 | switch (res->type) { |
50eca3eb | 345 | case ACPI_RESOURCE_TYPE_IRQ: |
dbed12da BH |
346 | /* |
347 | * Per spec, only one interrupt per descriptor is allowed in | |
348 | * _CRS, but some firmware violates this, so parse them all. | |
349 | */ | |
9570a20e | 350 | irq = &res->data.irq; |
5acf9141 BH |
351 | if (irq->interrupt_count == 0) |
352 | pnp_add_irq_resource(dev, 0, IORESOURCE_DISABLED); | |
353 | else { | |
354 | for (i = 0; i < irq->interrupt_count; i++) { | |
355 | pnpacpi_parse_allocated_irqresource(dev, | |
356 | irq->interrupts[i], | |
357 | irq->triggering, | |
358 | irq->polarity, | |
359 | 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) && irq->interrupt_count > 1) { | |
368 | dev_warn(&dev->dev, "multiple interrupts in " | |
369 | "_CRS descriptor; configuration can't " | |
370 | "be changed\n"); | |
371 | dev->capabilities &= ~PNP_WRITE; | |
372 | } | |
1da177e4 LT |
373 | } |
374 | break; | |
375 | ||
50eca3eb | 376 | case ACPI_RESOURCE_TYPE_DMA: |
9570a20e | 377 | dma = &res->data.dma; |
5acf9141 | 378 | if (dma->channel_count > 0 && dma->channels[0] != (u8) -1) |
958a1fdd | 379 | flags = dma_flags(dev, dma->type, dma->bus_master, |
dc16f5f2 | 380 | dma->transfer); |
5acf9141 BH |
381 | else |
382 | flags = IORESOURCE_DISABLED; | |
383 | pnp_add_dma_resource(dev, dma->channels[0], flags); | |
1da177e4 | 384 | break; |
0af5853b | 385 | |
50eca3eb | 386 | case ACPI_RESOURCE_TYPE_IO: |
9570a20e | 387 | io = &res->data.io; |
4ab55d8d | 388 | pnpacpi_parse_allocated_ioresource(dev, |
9570a20e BH |
389 | io->minimum, |
390 | io->address_length, | |
fa35b492 | 391 | io->io_decode, 0); |
1da177e4 | 392 | break; |
0af5853b LB |
393 | |
394 | case ACPI_RESOURCE_TYPE_START_DEPENDENT: | |
395 | case ACPI_RESOURCE_TYPE_END_DEPENDENT: | |
396 | break; | |
397 | ||
50eca3eb | 398 | case ACPI_RESOURCE_TYPE_FIXED_IO: |
9570a20e | 399 | fixed_io = &res->data.fixed_io; |
4ab55d8d | 400 | pnpacpi_parse_allocated_ioresource(dev, |
9570a20e BH |
401 | fixed_io->address, |
402 | fixed_io->address_length, | |
fa35b492 | 403 | ACPI_DECODE_10, 0); |
1da177e4 | 404 | break; |
0af5853b LB |
405 | |
406 | case ACPI_RESOURCE_TYPE_VENDOR: | |
40ab4f4c BH |
407 | vendor_typed = &res->data.vendor_typed; |
408 | pnpacpi_parse_allocated_vendor(dev, vendor_typed); | |
0af5853b LB |
409 | break; |
410 | ||
411 | case ACPI_RESOURCE_TYPE_END_TAG: | |
412 | break; | |
413 | ||
50eca3eb | 414 | case ACPI_RESOURCE_TYPE_MEMORY24: |
9570a20e | 415 | memory24 = &res->data.memory24; |
4ab55d8d | 416 | pnpacpi_parse_allocated_memresource(dev, |
9570a20e BH |
417 | memory24->minimum, |
418 | memory24->address_length, | |
fa35b492 | 419 | memory24->write_protect, 0); |
1da177e4 | 420 | break; |
50eca3eb | 421 | case ACPI_RESOURCE_TYPE_MEMORY32: |
9570a20e | 422 | memory32 = &res->data.memory32; |
4ab55d8d | 423 | pnpacpi_parse_allocated_memresource(dev, |
9570a20e BH |
424 | memory32->minimum, |
425 | memory32->address_length, | |
fa35b492 | 426 | memory32->write_protect, 0); |
1da177e4 | 427 | break; |
50eca3eb | 428 | case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: |
9570a20e | 429 | fixed_memory32 = &res->data.fixed_memory32; |
4ab55d8d | 430 | pnpacpi_parse_allocated_memresource(dev, |
9570a20e BH |
431 | fixed_memory32->address, |
432 | fixed_memory32->address_length, | |
fa35b492 | 433 | fixed_memory32->write_protect, 0); |
1da177e4 | 434 | break; |
50eca3eb | 435 | case ACPI_RESOURCE_TYPE_ADDRESS16: |
50eca3eb | 436 | case ACPI_RESOURCE_TYPE_ADDRESS32: |
50eca3eb | 437 | case ACPI_RESOURCE_TYPE_ADDRESS64: |
4ab55d8d | 438 | pnpacpi_parse_allocated_address_space(dev, res); |
1da177e4 | 439 | break; |
0af5853b LB |
440 | |
441 | case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64: | |
8cb24c8f | 442 | pnpacpi_parse_allocated_ext_address_space(dev, res); |
0af5853b LB |
443 | break; |
444 | ||
445 | case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: | |
9570a20e | 446 | extended_irq = &res->data.extended_irq; |
2b8de5f5 | 447 | |
5acf9141 BH |
448 | if (extended_irq->interrupt_count == 0) |
449 | pnp_add_irq_resource(dev, 0, IORESOURCE_DISABLED); | |
450 | else { | |
451 | for (i = 0; i < extended_irq->interrupt_count; i++) { | |
452 | pnpacpi_parse_allocated_irqresource(dev, | |
453 | extended_irq->interrupts[i], | |
454 | extended_irq->triggering, | |
455 | extended_irq->polarity, | |
456 | extended_irq->sharable); | |
457 | } | |
458 | ||
459 | /* | |
460 | * The IRQ encoder puts a single interrupt in each | |
461 | * descriptor, so if a _CRS descriptor has more than | |
462 | * one interrupt, we won't be able to re-encode it. | |
463 | */ | |
464 | if (pnp_can_write(dev) && | |
465 | extended_irq->interrupt_count > 1) { | |
466 | dev_warn(&dev->dev, "multiple interrupts in " | |
467 | "_CRS descriptor; configuration can't " | |
468 | "be changed\n"); | |
469 | dev->capabilities &= ~PNP_WRITE; | |
470 | } | |
0af5853b LB |
471 | } |
472 | break; | |
473 | ||
474 | case ACPI_RESOURCE_TYPE_GENERIC_REGISTER: | |
1da177e4 | 475 | break; |
0af5853b | 476 | |
1da177e4 | 477 | default: |
af11cb2d BH |
478 | dev_warn(&dev->dev, "unknown resource type %d in _CRS\n", |
479 | res->type); | |
1da177e4 LT |
480 | return AE_ERROR; |
481 | } | |
1c6e7d0a | 482 | |
1da177e4 LT |
483 | return AE_OK; |
484 | } | |
485 | ||
d152cf5d | 486 | int pnpacpi_parse_allocated_resource(struct pnp_dev *dev) |
1da177e4 | 487 | { |
c4da6940 BH |
488 | struct acpi_device *acpi_dev = dev->data; |
489 | acpi_handle handle = acpi_dev->handle; | |
d152cf5d | 490 | acpi_status status; |
4ab55d8d | 491 | |
2f53432c | 492 | pnp_dbg(&dev->dev, "parse allocated resources\n"); |
72dcc883 | 493 | |
f4490002 | 494 | pnp_init_resources(dev); |
1da177e4 | 495 | |
d152cf5d BH |
496 | status = acpi_walk_resources(handle, METHOD_NAME__CRS, |
497 | pnpacpi_allocated_resource, dev); | |
498 | ||
499 | if (ACPI_FAILURE(status)) { | |
500 | if (status != AE_NOT_FOUND) | |
501 | dev_err(&dev->dev, "can't evaluate _CRS: %d", status); | |
502 | return -EPERM; | |
503 | } | |
504 | return 0; | |
1da177e4 LT |
505 | } |
506 | ||
c1caf06c | 507 | static __init void pnpacpi_parse_dma_option(struct pnp_dev *dev, |
1f32ca31 | 508 | unsigned int option_flags, |
2bb9a6b3 | 509 | struct acpi_resource_dma *p) |
1da177e4 LT |
510 | { |
511 | int i; | |
c227536b | 512 | unsigned char map = 0, flags; |
1da177e4 | 513 | |
50eca3eb | 514 | if (p->channel_count == 0) |
1da177e4 | 515 | return; |
1da177e4 | 516 | |
9dd78466 | 517 | for (i = 0; i < p->channel_count; i++) |
c227536b | 518 | map |= 1 << p->channels[i]; |
1da177e4 | 519 | |
958a1fdd | 520 | flags = dma_flags(dev, p->type, p->bus_master, p->transfer); |
1f32ca31 | 521 | pnp_register_dma_resource(dev, option_flags, map, flags); |
1da177e4 LT |
522 | } |
523 | ||
c1caf06c | 524 | static __init void pnpacpi_parse_irq_option(struct pnp_dev *dev, |
1f32ca31 | 525 | unsigned int option_flags, |
2bb9a6b3 | 526 | struct acpi_resource_irq *p) |
1da177e4 LT |
527 | { |
528 | int i; | |
c227536b BH |
529 | pnp_irq_mask_t map; |
530 | unsigned char flags; | |
1c6e7d0a | 531 | |
50eca3eb | 532 | if (p->interrupt_count == 0) |
1da177e4 | 533 | return; |
1da177e4 | 534 | |
c227536b | 535 | bitmap_zero(map.bits, PNP_IRQ_NR); |
9dd78466 | 536 | for (i = 0; i < p->interrupt_count; i++) |
1da177e4 | 537 | if (p->interrupts[i]) |
c227536b | 538 | __set_bit(p->interrupts[i], map.bits); |
1da177e4 | 539 | |
c227536b | 540 | flags = irq_flags(p->triggering, p->polarity, p->sharable); |
1f32ca31 | 541 | pnp_register_irq_resource(dev, option_flags, &map, flags); |
1da177e4 LT |
542 | } |
543 | ||
c1caf06c | 544 | static __init void pnpacpi_parse_ext_irq_option(struct pnp_dev *dev, |
1f32ca31 | 545 | unsigned int option_flags, |
2bb9a6b3 | 546 | struct acpi_resource_extended_irq *p) |
1da177e4 LT |
547 | { |
548 | int i; | |
c227536b BH |
549 | pnp_irq_mask_t map; |
550 | unsigned char flags; | |
1da177e4 | 551 | |
50eca3eb | 552 | if (p->interrupt_count == 0) |
1da177e4 | 553 | return; |
1da177e4 | 554 | |
c227536b | 555 | bitmap_zero(map.bits, PNP_IRQ_NR); |
fe2cf598 BH |
556 | for (i = 0; i < p->interrupt_count; i++) { |
557 | if (p->interrupts[i]) { | |
558 | if (p->interrupts[i] < PNP_IRQ_NR) | |
559 | __set_bit(p->interrupts[i], map.bits); | |
560 | else | |
561 | dev_err(&dev->dev, "ignoring IRQ %d option " | |
562 | "(too large for %d entry bitmap)\n", | |
563 | p->interrupts[i], PNP_IRQ_NR); | |
564 | } | |
565 | } | |
1da177e4 | 566 | |
c227536b | 567 | flags = irq_flags(p->triggering, p->polarity, p->sharable); |
1f32ca31 | 568 | pnp_register_irq_resource(dev, option_flags, &map, flags); |
1da177e4 LT |
569 | } |
570 | ||
c1caf06c | 571 | static __init void pnpacpi_parse_port_option(struct pnp_dev *dev, |
1f32ca31 | 572 | unsigned int option_flags, |
2bb9a6b3 | 573 | struct acpi_resource_io *io) |
1da177e4 | 574 | { |
c227536b | 575 | unsigned char flags = 0; |
1da177e4 | 576 | |
50eca3eb | 577 | if (io->address_length == 0) |
1da177e4 | 578 | return; |
c227536b BH |
579 | |
580 | if (io->io_decode == ACPI_DECODE_16) | |
581 | flags = IORESOURCE_IO_16BIT_ADDR; | |
1f32ca31 | 582 | pnp_register_port_resource(dev, option_flags, io->minimum, io->maximum, |
c227536b | 583 | io->alignment, io->address_length, flags); |
1da177e4 LT |
584 | } |
585 | ||
c1caf06c | 586 | static __init void pnpacpi_parse_fixed_port_option(struct pnp_dev *dev, |
1f32ca31 | 587 | unsigned int option_flags, |
2bb9a6b3 | 588 | struct acpi_resource_fixed_io *io) |
1da177e4 | 589 | { |
50eca3eb | 590 | if (io->address_length == 0) |
1da177e4 | 591 | return; |
c227536b | 592 | |
1f32ca31 BH |
593 | pnp_register_port_resource(dev, option_flags, io->address, io->address, |
594 | 0, io->address_length, IORESOURCE_IO_FIXED); | |
1da177e4 LT |
595 | } |
596 | ||
c1caf06c | 597 | static __init void pnpacpi_parse_mem24_option(struct pnp_dev *dev, |
1f32ca31 | 598 | unsigned int option_flags, |
2bb9a6b3 | 599 | struct acpi_resource_memory24 *p) |
1da177e4 | 600 | { |
c227536b | 601 | unsigned char flags = 0; |
1da177e4 | 602 | |
50eca3eb | 603 | if (p->address_length == 0) |
1da177e4 | 604 | return; |
1da177e4 | 605 | |
c227536b BH |
606 | if (p->write_protect == ACPI_READ_WRITE_MEMORY) |
607 | flags = IORESOURCE_MEM_WRITEABLE; | |
1f32ca31 | 608 | pnp_register_mem_resource(dev, option_flags, p->minimum, p->maximum, |
c227536b | 609 | p->alignment, p->address_length, flags); |
1da177e4 LT |
610 | } |
611 | ||
c1caf06c | 612 | static __init void pnpacpi_parse_mem32_option(struct pnp_dev *dev, |
1f32ca31 | 613 | unsigned int option_flags, |
2bb9a6b3 | 614 | struct acpi_resource_memory32 *p) |
1da177e4 | 615 | { |
c227536b | 616 | unsigned char flags = 0; |
1da177e4 | 617 | |
50eca3eb | 618 | if (p->address_length == 0) |
1da177e4 | 619 | return; |
1da177e4 | 620 | |
c227536b BH |
621 | if (p->write_protect == ACPI_READ_WRITE_MEMORY) |
622 | flags = IORESOURCE_MEM_WRITEABLE; | |
1f32ca31 | 623 | pnp_register_mem_resource(dev, option_flags, p->minimum, p->maximum, |
c227536b | 624 | p->alignment, p->address_length, flags); |
1da177e4 LT |
625 | } |
626 | ||
c1caf06c | 627 | static __init void pnpacpi_parse_fixed_mem32_option(struct pnp_dev *dev, |
1f32ca31 | 628 | unsigned int option_flags, |
2bb9a6b3 | 629 | struct acpi_resource_fixed_memory32 *p) |
1da177e4 | 630 | { |
c227536b | 631 | unsigned char flags = 0; |
1da177e4 | 632 | |
50eca3eb | 633 | if (p->address_length == 0) |
1da177e4 | 634 | return; |
1da177e4 | 635 | |
c227536b BH |
636 | if (p->write_protect == ACPI_READ_WRITE_MEMORY) |
637 | flags = IORESOURCE_MEM_WRITEABLE; | |
1f32ca31 | 638 | pnp_register_mem_resource(dev, option_flags, p->address, p->address, |
c227536b | 639 | 0, p->address_length, flags); |
1da177e4 LT |
640 | } |
641 | ||
c1caf06c | 642 | static __init void pnpacpi_parse_address_option(struct pnp_dev *dev, |
1f32ca31 | 643 | unsigned int option_flags, |
2bb9a6b3 | 644 | struct acpi_resource *r) |
6f957eaf BH |
645 | { |
646 | struct acpi_resource_address64 addr, *p = &addr; | |
647 | acpi_status status; | |
c227536b | 648 | unsigned char flags = 0; |
6f957eaf BH |
649 | |
650 | status = acpi_resource_to_address64(r, p); | |
958a1fdd BH |
651 | if (ACPI_FAILURE(status)) { |
652 | dev_warn(&dev->dev, "can't convert resource type %d\n", | |
9dd78466 | 653 | r->type); |
6f957eaf BH |
654 | return; |
655 | } | |
656 | ||
657 | if (p->address_length == 0) | |
658 | return; | |
659 | ||
660 | if (p->resource_type == ACPI_MEMORY_RANGE) { | |
c227536b BH |
661 | if (p->info.mem.write_protect == ACPI_READ_WRITE_MEMORY) |
662 | flags = IORESOURCE_MEM_WRITEABLE; | |
1f32ca31 BH |
663 | pnp_register_mem_resource(dev, option_flags, p->minimum, |
664 | p->minimum, 0, p->address_length, | |
665 | flags); | |
c227536b | 666 | } else if (p->resource_type == ACPI_IO_RANGE) |
1f32ca31 BH |
667 | pnp_register_port_resource(dev, option_flags, p->minimum, |
668 | p->minimum, 0, p->address_length, | |
c227536b | 669 | IORESOURCE_IO_FIXED); |
6f957eaf BH |
670 | } |
671 | ||
8cb24c8f BH |
672 | static __init void pnpacpi_parse_ext_address_option(struct pnp_dev *dev, |
673 | unsigned int option_flags, | |
674 | struct acpi_resource *r) | |
675 | { | |
676 | struct acpi_resource_extended_address64 *p = &r->data.ext_address64; | |
677 | unsigned char flags = 0; | |
678 | ||
679 | if (p->address_length == 0) | |
680 | return; | |
681 | ||
682 | if (p->resource_type == ACPI_MEMORY_RANGE) { | |
683 | if (p->info.mem.write_protect == ACPI_READ_WRITE_MEMORY) | |
684 | flags = IORESOURCE_MEM_WRITEABLE; | |
685 | pnp_register_mem_resource(dev, option_flags, p->minimum, | |
686 | p->minimum, 0, p->address_length, | |
687 | flags); | |
688 | } else if (p->resource_type == ACPI_IO_RANGE) | |
689 | pnp_register_port_resource(dev, option_flags, p->minimum, | |
690 | p->minimum, 0, p->address_length, | |
691 | IORESOURCE_IO_FIXED); | |
692 | } | |
693 | ||
1da177e4 | 694 | struct acpipnp_parse_option_s { |
1da177e4 | 695 | struct pnp_dev *dev; |
1f32ca31 | 696 | unsigned int option_flags; |
1da177e4 LT |
697 | }; |
698 | ||
2bb9a6b3 TR |
699 | static __init acpi_status pnpacpi_option_resource(struct acpi_resource *res, |
700 | void *data) | |
1da177e4 | 701 | { |
e2a1a6f1 | 702 | int priority; |
4721a4cc | 703 | struct acpipnp_parse_option_s *parse_data = data; |
1da177e4 | 704 | struct pnp_dev *dev = parse_data->dev; |
1f32ca31 | 705 | unsigned int option_flags = parse_data->option_flags; |
1da177e4 | 706 | |
eca008c8 | 707 | switch (res->type) { |
9dd78466 | 708 | case ACPI_RESOURCE_TYPE_IRQ: |
1f32ca31 | 709 | pnpacpi_parse_irq_option(dev, option_flags, &res->data.irq); |
9dd78466 | 710 | break; |
0af5853b | 711 | |
9dd78466 | 712 | case ACPI_RESOURCE_TYPE_DMA: |
1f32ca31 | 713 | pnpacpi_parse_dma_option(dev, option_flags, &res->data.dma); |
9dd78466 | 714 | break; |
0af5853b | 715 | |
9dd78466 BH |
716 | case ACPI_RESOURCE_TYPE_START_DEPENDENT: |
717 | switch (res->data.start_dpf.compatibility_priority) { | |
718 | case ACPI_GOOD_CONFIGURATION: | |
719 | priority = PNP_RES_PRIORITY_PREFERRED; | |
1da177e4 | 720 | break; |
0af5853b | 721 | |
9dd78466 BH |
722 | case ACPI_ACCEPTABLE_CONFIGURATION: |
723 | priority = PNP_RES_PRIORITY_ACCEPTABLE; | |
b008b8d7 | 724 | break; |
0af5853b | 725 | |
9dd78466 BH |
726 | case ACPI_SUB_OPTIMAL_CONFIGURATION: |
727 | priority = PNP_RES_PRIORITY_FUNCTIONAL; | |
0af5853b | 728 | break; |
9dd78466 BH |
729 | default: |
730 | priority = PNP_RES_PRIORITY_INVALID; | |
0af5853b | 731 | break; |
9dd78466 | 732 | } |
1f32ca31 | 733 | parse_data->option_flags = pnp_new_dependent_set(dev, priority); |
9dd78466 | 734 | break; |
0af5853b | 735 | |
9dd78466 | 736 | case ACPI_RESOURCE_TYPE_END_DEPENDENT: |
1f32ca31 | 737 | parse_data->option_flags = 0; |
9dd78466 | 738 | break; |
0af5853b | 739 | |
9dd78466 | 740 | case ACPI_RESOURCE_TYPE_IO: |
1f32ca31 | 741 | pnpacpi_parse_port_option(dev, option_flags, &res->data.io); |
9dd78466 | 742 | break; |
0af5853b | 743 | |
9dd78466 | 744 | case ACPI_RESOURCE_TYPE_FIXED_IO: |
1f32ca31 | 745 | pnpacpi_parse_fixed_port_option(dev, option_flags, |
c1caf06c | 746 | &res->data.fixed_io); |
9dd78466 | 747 | break; |
0af5853b | 748 | |
9dd78466 BH |
749 | case ACPI_RESOURCE_TYPE_VENDOR: |
750 | case ACPI_RESOURCE_TYPE_END_TAG: | |
751 | break; | |
0af5853b | 752 | |
9dd78466 | 753 | case ACPI_RESOURCE_TYPE_MEMORY24: |
1f32ca31 BH |
754 | pnpacpi_parse_mem24_option(dev, option_flags, |
755 | &res->data.memory24); | |
9dd78466 | 756 | break; |
0af5853b | 757 | |
9dd78466 | 758 | case ACPI_RESOURCE_TYPE_MEMORY32: |
1f32ca31 BH |
759 | pnpacpi_parse_mem32_option(dev, option_flags, |
760 | &res->data.memory32); | |
9dd78466 | 761 | break; |
0af5853b | 762 | |
9dd78466 | 763 | case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: |
1f32ca31 | 764 | pnpacpi_parse_fixed_mem32_option(dev, option_flags, |
9dd78466 BH |
765 | &res->data.fixed_memory32); |
766 | break; | |
0af5853b | 767 | |
9dd78466 BH |
768 | case ACPI_RESOURCE_TYPE_ADDRESS16: |
769 | case ACPI_RESOURCE_TYPE_ADDRESS32: | |
770 | case ACPI_RESOURCE_TYPE_ADDRESS64: | |
1f32ca31 | 771 | pnpacpi_parse_address_option(dev, option_flags, res); |
9dd78466 | 772 | break; |
0af5853b | 773 | |
9dd78466 | 774 | case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64: |
8cb24c8f | 775 | pnpacpi_parse_ext_address_option(dev, option_flags, res); |
9dd78466 BH |
776 | break; |
777 | ||
778 | case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: | |
1f32ca31 | 779 | pnpacpi_parse_ext_irq_option(dev, option_flags, |
c1caf06c | 780 | &res->data.extended_irq); |
9dd78466 BH |
781 | break; |
782 | ||
783 | case ACPI_RESOURCE_TYPE_GENERIC_REGISTER: | |
784 | break; | |
785 | ||
786 | default: | |
af11cb2d BH |
787 | dev_warn(&dev->dev, "unknown resource type %d in _PRS\n", |
788 | res->type); | |
9dd78466 | 789 | return AE_ERROR; |
1da177e4 | 790 | } |
1c6e7d0a | 791 | |
1da177e4 LT |
792 | return AE_OK; |
793 | } | |
794 | ||
d152cf5d | 795 | int __init pnpacpi_parse_resource_option_data(struct pnp_dev *dev) |
1da177e4 | 796 | { |
c4da6940 BH |
797 | struct acpi_device *acpi_dev = dev->data; |
798 | acpi_handle handle = acpi_dev->handle; | |
1da177e4 LT |
799 | acpi_status status; |
800 | struct acpipnp_parse_option_s parse_data; | |
801 | ||
2f53432c | 802 | pnp_dbg(&dev->dev, "parse resource options\n"); |
72dcc883 | 803 | |
1da177e4 | 804 | parse_data.dev = dev; |
1f32ca31 BH |
805 | parse_data.option_flags = 0; |
806 | ||
50eca3eb | 807 | status = acpi_walk_resources(handle, METHOD_NAME__PRS, |
9dd78466 | 808 | pnpacpi_option_resource, &parse_data); |
1da177e4 | 809 | |
d152cf5d BH |
810 | if (ACPI_FAILURE(status)) { |
811 | if (status != AE_NOT_FOUND) | |
812 | dev_err(&dev->dev, "can't evaluate _PRS: %d", status); | |
813 | return -EPERM; | |
814 | } | |
815 | return 0; | |
1da177e4 LT |
816 | } |
817 | ||
b5f2490b | 818 | static int pnpacpi_supported_resource(struct acpi_resource *res) |
1da177e4 | 819 | { |
eca008c8 | 820 | switch (res->type) { |
50eca3eb | 821 | case ACPI_RESOURCE_TYPE_IRQ: |
50eca3eb BM |
822 | case ACPI_RESOURCE_TYPE_DMA: |
823 | case ACPI_RESOURCE_TYPE_IO: | |
824 | case ACPI_RESOURCE_TYPE_FIXED_IO: | |
825 | case ACPI_RESOURCE_TYPE_MEMORY24: | |
826 | case ACPI_RESOURCE_TYPE_MEMORY32: | |
827 | case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: | |
50eca3eb BM |
828 | case ACPI_RESOURCE_TYPE_ADDRESS16: |
829 | case ACPI_RESOURCE_TYPE_ADDRESS32: | |
830 | case ACPI_RESOURCE_TYPE_ADDRESS64: | |
8cb24c8f | 831 | case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64: |
0af5853b | 832 | case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: |
b5f2490b | 833 | return 1; |
1da177e4 | 834 | } |
b5f2490b BH |
835 | return 0; |
836 | } | |
837 | ||
838 | /* | |
839 | * Set resource | |
840 | */ | |
841 | static acpi_status pnpacpi_count_resources(struct acpi_resource *res, | |
9dd78466 | 842 | void *data) |
b5f2490b | 843 | { |
4721a4cc | 844 | int *res_cnt = data; |
b5f2490b BH |
845 | |
846 | if (pnpacpi_supported_resource(res)) | |
847 | (*res_cnt)++; | |
1da177e4 LT |
848 | return AE_OK; |
849 | } | |
850 | ||
1c6e7d0a | 851 | static acpi_status pnpacpi_type_resources(struct acpi_resource *res, void *data) |
1da177e4 | 852 | { |
4721a4cc | 853 | struct acpi_resource **resource = data; |
b5f2490b BH |
854 | |
855 | if (pnpacpi_supported_resource(res)) { | |
eca008c8 | 856 | (*resource)->type = res->type; |
b5f2490b | 857 | (*resource)->length = sizeof(struct acpi_resource); |
36d872a3 BH |
858 | if (res->type == ACPI_RESOURCE_TYPE_IRQ) |
859 | (*resource)->data.irq.descriptor_length = | |
860 | res->data.irq.descriptor_length; | |
1da177e4 | 861 | (*resource)++; |
1da177e4 LT |
862 | } |
863 | ||
864 | return AE_OK; | |
865 | } | |
866 | ||
cdef6254 | 867 | int pnpacpi_build_resource_template(struct pnp_dev *dev, |
9dd78466 | 868 | struct acpi_buffer *buffer) |
1da177e4 | 869 | { |
c4da6940 BH |
870 | struct acpi_device *acpi_dev = dev->data; |
871 | acpi_handle handle = acpi_dev->handle; | |
1da177e4 LT |
872 | struct acpi_resource *resource; |
873 | int res_cnt = 0; | |
874 | acpi_status status; | |
875 | ||
50eca3eb | 876 | status = acpi_walk_resources(handle, METHOD_NAME__CRS, |
9dd78466 | 877 | pnpacpi_count_resources, &res_cnt); |
1da177e4 | 878 | if (ACPI_FAILURE(status)) { |
d152cf5d | 879 | dev_err(&dev->dev, "can't evaluate _CRS: %d\n", status); |
1da177e4 LT |
880 | return -EINVAL; |
881 | } | |
882 | if (!res_cnt) | |
883 | return -EINVAL; | |
884 | buffer->length = sizeof(struct acpi_resource) * (res_cnt + 1) + 1; | |
cd861280 | 885 | buffer->pointer = kzalloc(buffer->length - 1, GFP_KERNEL); |
1da177e4 LT |
886 | if (!buffer->pointer) |
887 | return -ENOMEM; | |
72dcc883 | 888 | |
1da177e4 | 889 | resource = (struct acpi_resource *)buffer->pointer; |
50eca3eb | 890 | status = acpi_walk_resources(handle, METHOD_NAME__CRS, |
9dd78466 | 891 | pnpacpi_type_resources, &resource); |
1da177e4 LT |
892 | if (ACPI_FAILURE(status)) { |
893 | kfree(buffer->pointer); | |
d152cf5d | 894 | dev_err(&dev->dev, "can't evaluate _CRS: %d\n", status); |
1da177e4 LT |
895 | return -EINVAL; |
896 | } | |
897 | /* resource will pointer the end resource now */ | |
50eca3eb | 898 | resource->type = ACPI_RESOURCE_TYPE_END_TAG; |
1da177e4 LT |
899 | |
900 | return 0; | |
901 | } | |
902 | ||
72dcc883 BH |
903 | static void pnpacpi_encode_irq(struct pnp_dev *dev, |
904 | struct acpi_resource *resource, | |
9dd78466 | 905 | struct resource *p) |
1da177e4 | 906 | { |
9570a20e | 907 | struct acpi_resource_irq *irq = &resource->data.irq; |
a993273b | 908 | int triggering, polarity, shareable; |
1c6e7d0a | 909 | |
aee3ad81 BH |
910 | if (!pnp_resource_enabled(p)) { |
911 | irq->interrupt_count = 0; | |
2f53432c | 912 | pnp_dbg(&dev->dev, " encode irq (%s)\n", |
aee3ad81 BH |
913 | p ? "disabled" : "missing"); |
914 | return; | |
915 | } | |
916 | ||
a993273b | 917 | decode_irq_flags(dev, p->flags, &triggering, &polarity, &shareable); |
9570a20e BH |
918 | irq->triggering = triggering; |
919 | irq->polarity = polarity; | |
a993273b | 920 | irq->sharable = shareable; |
9570a20e BH |
921 | irq->interrupt_count = 1; |
922 | irq->interrupts[0] = p->start; | |
72dcc883 | 923 | |
2f53432c | 924 | pnp_dbg(&dev->dev, " encode irq %d %s %s %s (%d-byte descriptor)\n", |
36d872a3 | 925 | (int) p->start, |
72dcc883 BH |
926 | triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge", |
927 | polarity == ACPI_ACTIVE_LOW ? "low" : "high", | |
36d872a3 BH |
928 | irq->sharable == ACPI_SHARED ? "shared" : "exclusive", |
929 | irq->descriptor_length); | |
1da177e4 LT |
930 | } |
931 | ||
72dcc883 BH |
932 | static void pnpacpi_encode_ext_irq(struct pnp_dev *dev, |
933 | struct acpi_resource *resource, | |
9dd78466 | 934 | struct resource *p) |
1da177e4 | 935 | { |
9570a20e | 936 | struct acpi_resource_extended_irq *extended_irq = &resource->data.extended_irq; |
a993273b | 937 | int triggering, polarity, shareable; |
1c6e7d0a | 938 | |
aee3ad81 BH |
939 | if (!pnp_resource_enabled(p)) { |
940 | extended_irq->interrupt_count = 0; | |
2f53432c | 941 | pnp_dbg(&dev->dev, " encode extended irq (%s)\n", |
aee3ad81 BH |
942 | p ? "disabled" : "missing"); |
943 | return; | |
944 | } | |
945 | ||
a993273b | 946 | decode_irq_flags(dev, p->flags, &triggering, &polarity, &shareable); |
9570a20e BH |
947 | extended_irq->producer_consumer = ACPI_CONSUMER; |
948 | extended_irq->triggering = triggering; | |
949 | extended_irq->polarity = polarity; | |
a993273b | 950 | extended_irq->sharable = shareable; |
9570a20e BH |
951 | extended_irq->interrupt_count = 1; |
952 | extended_irq->interrupts[0] = p->start; | |
72dcc883 | 953 | |
2f53432c | 954 | pnp_dbg(&dev->dev, " encode irq %d %s %s %s\n", (int) p->start, |
72dcc883 BH |
955 | triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge", |
956 | polarity == ACPI_ACTIVE_LOW ? "low" : "high", | |
957 | extended_irq->sharable == ACPI_SHARED ? "shared" : "exclusive"); | |
1da177e4 LT |
958 | } |
959 | ||
72dcc883 BH |
960 | static void pnpacpi_encode_dma(struct pnp_dev *dev, |
961 | struct acpi_resource *resource, | |
9dd78466 | 962 | struct resource *p) |
1da177e4 | 963 | { |
9570a20e BH |
964 | struct acpi_resource_dma *dma = &resource->data.dma; |
965 | ||
aee3ad81 BH |
966 | if (!pnp_resource_enabled(p)) { |
967 | dma->channel_count = 0; | |
2f53432c | 968 | pnp_dbg(&dev->dev, " encode dma (%s)\n", |
aee3ad81 BH |
969 | p ? "disabled" : "missing"); |
970 | return; | |
971 | } | |
972 | ||
1da177e4 | 973 | /* Note: pnp_assign_dma will copy pnp_dma->flags into p->flags */ |
ccc4c7bb | 974 | switch (p->flags & IORESOURCE_DMA_SPEED_MASK) { |
9dd78466 | 975 | case IORESOURCE_DMA_TYPEA: |
9570a20e | 976 | dma->type = ACPI_TYPE_A; |
9dd78466 BH |
977 | break; |
978 | case IORESOURCE_DMA_TYPEB: | |
9570a20e | 979 | dma->type = ACPI_TYPE_B; |
9dd78466 BH |
980 | break; |
981 | case IORESOURCE_DMA_TYPEF: | |
9570a20e | 982 | dma->type = ACPI_TYPE_F; |
9dd78466 BH |
983 | break; |
984 | default: | |
9570a20e | 985 | dma->type = ACPI_COMPATIBILITY; |
ccc4c7bb VP |
986 | } |
987 | ||
988 | switch (p->flags & IORESOURCE_DMA_TYPE_MASK) { | |
9dd78466 | 989 | case IORESOURCE_DMA_8BIT: |
9570a20e | 990 | dma->transfer = ACPI_TRANSFER_8; |
9dd78466 BH |
991 | break; |
992 | case IORESOURCE_DMA_8AND16BIT: | |
9570a20e | 993 | dma->transfer = ACPI_TRANSFER_8_16; |
9dd78466 BH |
994 | break; |
995 | default: | |
9570a20e | 996 | dma->transfer = ACPI_TRANSFER_16; |
ccc4c7bb VP |
997 | } |
998 | ||
9570a20e BH |
999 | dma->bus_master = !!(p->flags & IORESOURCE_DMA_MASTER); |
1000 | dma->channel_count = 1; | |
1001 | dma->channels[0] = p->start; | |
72dcc883 | 1002 | |
2f53432c | 1003 | pnp_dbg(&dev->dev, " encode dma %d " |
72dcc883 BH |
1004 | "type %#x transfer %#x master %d\n", |
1005 | (int) p->start, dma->type, dma->transfer, dma->bus_master); | |
1da177e4 LT |
1006 | } |
1007 | ||
72dcc883 BH |
1008 | static void pnpacpi_encode_io(struct pnp_dev *dev, |
1009 | struct acpi_resource *resource, | |
9dd78466 | 1010 | struct resource *p) |
1da177e4 | 1011 | { |
9570a20e BH |
1012 | struct acpi_resource_io *io = &resource->data.io; |
1013 | ||
aee3ad81 BH |
1014 | if (pnp_resource_enabled(p)) { |
1015 | /* Note: pnp_assign_port copies pnp_port->flags into p->flags */ | |
08c9f262 | 1016 | io->io_decode = (p->flags & IORESOURCE_IO_16BIT_ADDR) ? |
aee3ad81 BH |
1017 | ACPI_DECODE_16 : ACPI_DECODE_10; |
1018 | io->minimum = p->start; | |
1019 | io->maximum = p->end; | |
1020 | io->alignment = 0; /* Correct? */ | |
1021 | io->address_length = p->end - p->start + 1; | |
1022 | } else { | |
1023 | io->minimum = 0; | |
1024 | io->address_length = 0; | |
1025 | } | |
72dcc883 | 1026 | |
2f53432c | 1027 | pnp_dbg(&dev->dev, " encode io %#x-%#x decode %#x\n", io->minimum, |
aee3ad81 | 1028 | io->minimum + io->address_length - 1, io->io_decode); |
1da177e4 LT |
1029 | } |
1030 | ||
72dcc883 BH |
1031 | static void pnpacpi_encode_fixed_io(struct pnp_dev *dev, |
1032 | struct acpi_resource *resource, | |
9dd78466 | 1033 | struct resource *p) |
1da177e4 | 1034 | { |
9570a20e BH |
1035 | struct acpi_resource_fixed_io *fixed_io = &resource->data.fixed_io; |
1036 | ||
aee3ad81 BH |
1037 | if (pnp_resource_enabled(p)) { |
1038 | fixed_io->address = p->start; | |
1039 | fixed_io->address_length = p->end - p->start + 1; | |
1040 | } else { | |
1041 | fixed_io->address = 0; | |
1042 | fixed_io->address_length = 0; | |
1043 | } | |
72dcc883 | 1044 | |
2f53432c | 1045 | pnp_dbg(&dev->dev, " encode fixed_io %#x-%#x\n", fixed_io->address, |
aee3ad81 | 1046 | fixed_io->address + fixed_io->address_length - 1); |
1da177e4 LT |
1047 | } |
1048 | ||
72dcc883 BH |
1049 | static void pnpacpi_encode_mem24(struct pnp_dev *dev, |
1050 | struct acpi_resource *resource, | |
9dd78466 | 1051 | struct resource *p) |
1da177e4 | 1052 | { |
9570a20e BH |
1053 | struct acpi_resource_memory24 *memory24 = &resource->data.memory24; |
1054 | ||
aee3ad81 BH |
1055 | if (pnp_resource_enabled(p)) { |
1056 | /* Note: pnp_assign_mem copies pnp_mem->flags into p->flags */ | |
1057 | memory24->write_protect = p->flags & IORESOURCE_MEM_WRITEABLE ? | |
1058 | ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY; | |
1059 | memory24->minimum = p->start; | |
1060 | memory24->maximum = p->end; | |
1061 | memory24->alignment = 0; | |
1062 | memory24->address_length = p->end - p->start + 1; | |
1063 | } else { | |
1064 | memory24->minimum = 0; | |
1065 | memory24->address_length = 0; | |
1066 | } | |
1067 | ||
2f53432c | 1068 | pnp_dbg(&dev->dev, " encode mem24 %#x-%#x write_protect %#x\n", |
aee3ad81 BH |
1069 | memory24->minimum, |
1070 | memory24->minimum + memory24->address_length - 1, | |
72dcc883 | 1071 | memory24->write_protect); |
1da177e4 LT |
1072 | } |
1073 | ||
72dcc883 BH |
1074 | static void pnpacpi_encode_mem32(struct pnp_dev *dev, |
1075 | struct acpi_resource *resource, | |
9dd78466 | 1076 | struct resource *p) |
1da177e4 | 1077 | { |
9570a20e BH |
1078 | struct acpi_resource_memory32 *memory32 = &resource->data.memory32; |
1079 | ||
aee3ad81 BH |
1080 | if (pnp_resource_enabled(p)) { |
1081 | memory32->write_protect = p->flags & IORESOURCE_MEM_WRITEABLE ? | |
1082 | ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY; | |
1083 | memory32->minimum = p->start; | |
1084 | memory32->maximum = p->end; | |
1085 | memory32->alignment = 0; | |
1086 | memory32->address_length = p->end - p->start + 1; | |
1087 | } else { | |
1088 | memory32->minimum = 0; | |
1089 | memory32->alignment = 0; | |
1090 | } | |
72dcc883 | 1091 | |
2f53432c | 1092 | pnp_dbg(&dev->dev, " encode mem32 %#x-%#x write_protect %#x\n", |
aee3ad81 BH |
1093 | memory32->minimum, |
1094 | memory32->minimum + memory32->address_length - 1, | |
72dcc883 | 1095 | memory32->write_protect); |
1da177e4 LT |
1096 | } |
1097 | ||
72dcc883 BH |
1098 | static void pnpacpi_encode_fixed_mem32(struct pnp_dev *dev, |
1099 | struct acpi_resource *resource, | |
9dd78466 | 1100 | struct resource *p) |
1da177e4 | 1101 | { |
9570a20e BH |
1102 | struct acpi_resource_fixed_memory32 *fixed_memory32 = &resource->data.fixed_memory32; |
1103 | ||
aee3ad81 BH |
1104 | if (pnp_resource_enabled(p)) { |
1105 | fixed_memory32->write_protect = | |
1106 | p->flags & IORESOURCE_MEM_WRITEABLE ? | |
1107 | ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY; | |
1108 | fixed_memory32->address = p->start; | |
1109 | fixed_memory32->address_length = p->end - p->start + 1; | |
1110 | } else { | |
1111 | fixed_memory32->address = 0; | |
1112 | fixed_memory32->address_length = 0; | |
1113 | } | |
72dcc883 | 1114 | |
2f53432c | 1115 | pnp_dbg(&dev->dev, " encode fixed_mem32 %#x-%#x write_protect %#x\n", |
aee3ad81 BH |
1116 | fixed_memory32->address, |
1117 | fixed_memory32->address + fixed_memory32->address_length - 1, | |
72dcc883 | 1118 | fixed_memory32->write_protect); |
1da177e4 LT |
1119 | } |
1120 | ||
4ab55d8d | 1121 | int pnpacpi_encode_resources(struct pnp_dev *dev, struct acpi_buffer *buffer) |
1da177e4 LT |
1122 | { |
1123 | int i = 0; | |
1124 | /* pnpacpi_build_resource_template allocates extra mem */ | |
9dd78466 | 1125 | int res_cnt = (buffer->length - 1) / sizeof(struct acpi_resource) - 1; |
4721a4cc | 1126 | struct acpi_resource *resource = buffer->pointer; |
1da177e4 LT |
1127 | int port = 0, irq = 0, dma = 0, mem = 0; |
1128 | ||
2f53432c | 1129 | pnp_dbg(&dev->dev, "encode %d resources\n", res_cnt); |
1da177e4 | 1130 | while (i < res_cnt) { |
9dd78466 | 1131 | switch (resource->type) { |
50eca3eb | 1132 | case ACPI_RESOURCE_TYPE_IRQ: |
72dcc883 | 1133 | pnpacpi_encode_irq(dev, resource, |
7e2cf31f | 1134 | pnp_get_resource(dev, IORESOURCE_IRQ, irq)); |
1da177e4 LT |
1135 | irq++; |
1136 | break; | |
1137 | ||
50eca3eb | 1138 | case ACPI_RESOURCE_TYPE_DMA: |
72dcc883 | 1139 | pnpacpi_encode_dma(dev, resource, |
7e2cf31f | 1140 | pnp_get_resource(dev, IORESOURCE_DMA, dma)); |
1c6e7d0a | 1141 | dma++; |
1da177e4 | 1142 | break; |
50eca3eb | 1143 | case ACPI_RESOURCE_TYPE_IO: |
72dcc883 | 1144 | pnpacpi_encode_io(dev, resource, |
7e2cf31f | 1145 | pnp_get_resource(dev, IORESOURCE_IO, port)); |
1c6e7d0a | 1146 | port++; |
1da177e4 | 1147 | break; |
50eca3eb | 1148 | case ACPI_RESOURCE_TYPE_FIXED_IO: |
72dcc883 | 1149 | pnpacpi_encode_fixed_io(dev, resource, |
7e2cf31f | 1150 | pnp_get_resource(dev, IORESOURCE_IO, port)); |
1c6e7d0a | 1151 | port++; |
1da177e4 | 1152 | break; |
50eca3eb | 1153 | case ACPI_RESOURCE_TYPE_MEMORY24: |
72dcc883 | 1154 | pnpacpi_encode_mem24(dev, resource, |
7e2cf31f | 1155 | pnp_get_resource(dev, IORESOURCE_MEM, mem)); |
1c6e7d0a | 1156 | mem++; |
1da177e4 | 1157 | break; |
50eca3eb | 1158 | case ACPI_RESOURCE_TYPE_MEMORY32: |
72dcc883 | 1159 | pnpacpi_encode_mem32(dev, resource, |
7e2cf31f | 1160 | pnp_get_resource(dev, IORESOURCE_MEM, mem)); |
1c6e7d0a | 1161 | mem++; |
1da177e4 | 1162 | break; |
50eca3eb | 1163 | case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: |
72dcc883 | 1164 | pnpacpi_encode_fixed_mem32(dev, resource, |
7e2cf31f | 1165 | pnp_get_resource(dev, IORESOURCE_MEM, mem)); |
1c6e7d0a | 1166 | mem++; |
1da177e4 | 1167 | break; |
0af5853b | 1168 | case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: |
72dcc883 | 1169 | pnpacpi_encode_ext_irq(dev, resource, |
7e2cf31f | 1170 | pnp_get_resource(dev, IORESOURCE_IRQ, irq)); |
0af5853b LB |
1171 | irq++; |
1172 | break; | |
1173 | case ACPI_RESOURCE_TYPE_START_DEPENDENT: | |
1174 | case ACPI_RESOURCE_TYPE_END_DEPENDENT: | |
1175 | case ACPI_RESOURCE_TYPE_VENDOR: | |
1176 | case ACPI_RESOURCE_TYPE_END_TAG: | |
1177 | case ACPI_RESOURCE_TYPE_ADDRESS16: | |
1178 | case ACPI_RESOURCE_TYPE_ADDRESS32: | |
1179 | case ACPI_RESOURCE_TYPE_ADDRESS64: | |
1180 | case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64: | |
1181 | case ACPI_RESOURCE_TYPE_GENERIC_REGISTER: | |
9dd78466 | 1182 | default: /* other type */ |
af11cb2d BH |
1183 | dev_warn(&dev->dev, "can't encode unknown resource " |
1184 | "type %d\n", resource->type); | |
1da177e4 LT |
1185 | return -EINVAL; |
1186 | } | |
1c6e7d0a BH |
1187 | resource++; |
1188 | i++; | |
1da177e4 LT |
1189 | } |
1190 | return 0; | |
1191 | } |