Commit | Line | Data |
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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 | ||
bbee06d0 FF |
31 | static void decode_irq_flags(struct pnp_dev *dev, int flags, u8 *triggering, |
32 | u8 *polarity, u8 *shareable) | |
1da177e4 | 33 | { |
e9fe9e18 BH |
34 | switch (flags & (IORESOURCE_IRQ_LOWLEVEL | IORESOURCE_IRQ_HIGHLEVEL | |
35 | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE)) { | |
1da177e4 | 36 | case IORESOURCE_IRQ_LOWLEVEL: |
50eca3eb BM |
37 | *triggering = ACPI_LEVEL_SENSITIVE; |
38 | *polarity = ACPI_ACTIVE_LOW; | |
1da177e4 | 39 | break; |
1c6e7d0a | 40 | case IORESOURCE_IRQ_HIGHLEVEL: |
50eca3eb BM |
41 | *triggering = ACPI_LEVEL_SENSITIVE; |
42 | *polarity = ACPI_ACTIVE_HIGH; | |
1da177e4 LT |
43 | break; |
44 | case IORESOURCE_IRQ_LOWEDGE: | |
50eca3eb BM |
45 | *triggering = ACPI_EDGE_SENSITIVE; |
46 | *polarity = ACPI_ACTIVE_LOW; | |
1da177e4 LT |
47 | break; |
48 | case IORESOURCE_IRQ_HIGHEDGE: | |
50eca3eb BM |
49 | *triggering = ACPI_EDGE_SENSITIVE; |
50 | *polarity = ACPI_ACTIVE_HIGH; | |
1da177e4 | 51 | break; |
e9fe9e18 BH |
52 | default: |
53 | dev_err(&dev->dev, "can't encode invalid IRQ mode %#x\n", | |
54 | flags); | |
55 | *triggering = ACPI_EDGE_SENSITIVE; | |
56 | *polarity = ACPI_ACTIVE_HIGH; | |
57 | break; | |
1da177e4 | 58 | } |
a993273b BH |
59 | |
60 | if (flags & IORESOURCE_IRQ_SHAREABLE) | |
61 | *shareable = ACPI_SHARED; | |
62 | else | |
63 | *shareable = ACPI_EXCLUSIVE; | |
1da177e4 LT |
64 | } |
65 | ||
958a1fdd BH |
66 | static int dma_flags(struct pnp_dev *dev, int type, int bus_master, |
67 | int transfer) | |
362ea087 MK |
68 | { |
69 | int flags = 0; | |
70 | ||
71 | if (bus_master) | |
72 | flags |= IORESOURCE_DMA_MASTER; | |
73 | switch (type) { | |
74 | case ACPI_COMPATIBILITY: | |
75 | flags |= IORESOURCE_DMA_COMPATIBLE; | |
76 | break; | |
77 | case ACPI_TYPE_A: | |
78 | flags |= IORESOURCE_DMA_TYPEA; | |
79 | break; | |
80 | case ACPI_TYPE_B: | |
81 | flags |= IORESOURCE_DMA_TYPEB; | |
82 | break; | |
83 | case ACPI_TYPE_F: | |
84 | flags |= IORESOURCE_DMA_TYPEF; | |
85 | break; | |
86 | default: | |
87 | /* Set a default value ? */ | |
88 | flags |= IORESOURCE_DMA_COMPATIBLE; | |
958a1fdd | 89 | dev_err(&dev->dev, "invalid DMA type %d\n", type); |
362ea087 MK |
90 | } |
91 | switch (transfer) { | |
92 | case ACPI_TRANSFER_8: | |
93 | flags |= IORESOURCE_DMA_8BIT; | |
94 | break; | |
95 | case ACPI_TRANSFER_8_16: | |
96 | flags |= IORESOURCE_DMA_8AND16BIT; | |
97 | break; | |
98 | case ACPI_TRANSFER_16: | |
99 | flags |= IORESOURCE_DMA_16BIT; | |
100 | break; | |
101 | default: | |
102 | /* Set a default value ? */ | |
103 | flags |= IORESOURCE_DMA_8AND16BIT; | |
958a1fdd | 104 | dev_err(&dev->dev, "invalid DMA transfer type %d\n", transfer); |
362ea087 MK |
105 | } |
106 | ||
107 | return flags; | |
108 | } | |
109 | ||
046d9ce6 RW |
110 | /* |
111 | * Allocated Resources | |
112 | */ | |
07d4e9af | 113 | |
046d9ce6 RW |
114 | static void pnpacpi_add_irqresource(struct pnp_dev *dev, struct resource *r) |
115 | { | |
116 | if (!(r->flags & IORESOURCE_DISABLED)) | |
117 | pcibios_penalize_isa_irq(r->start, 1); | |
cc8c2e30 | 118 | |
046d9ce6 | 119 | pnp_add_resource(dev, r); |
1da177e4 LT |
120 | } |
121 | ||
40ab4f4c BH |
122 | /* |
123 | * Device CSRs that do not appear in PCI config space should be described | |
124 | * via ACPI. This would normally be done with Address Space Descriptors | |
125 | * marked as "consumer-only," but old versions of Windows and Linux ignore | |
126 | * the producer/consumer flag, so HP invented a vendor-defined resource to | |
127 | * describe the location and size of CSR space. | |
128 | */ | |
129 | static struct acpi_vendor_uuid hp_ccsr_uuid = { | |
130 | .subtype = 2, | |
131 | .data = { 0xf9, 0xad, 0xe9, 0x69, 0x4f, 0x92, 0x5f, 0xab, 0xf6, 0x4a, | |
132 | 0x24, 0xd2, 0x01, 0x37, 0x0e, 0xad }, | |
133 | }; | |
134 | ||
135 | static int vendor_resource_matches(struct pnp_dev *dev, | |
136 | struct acpi_resource_vendor_typed *vendor, | |
137 | struct acpi_vendor_uuid *match, | |
138 | int expected_len) | |
139 | { | |
140 | int uuid_len = sizeof(vendor->uuid); | |
141 | u8 uuid_subtype = vendor->uuid_subtype; | |
142 | u8 *uuid = vendor->uuid; | |
143 | int actual_len; | |
144 | ||
145 | /* byte_length includes uuid_subtype and uuid */ | |
146 | actual_len = vendor->byte_length - uuid_len - 1; | |
147 | ||
148 | if (uuid_subtype == match->subtype && | |
149 | uuid_len == sizeof(match->data) && | |
150 | memcmp(uuid, match->data, uuid_len) == 0) { | |
151 | if (expected_len && expected_len != actual_len) { | |
152 | dev_err(&dev->dev, "wrong vendor descriptor size; " | |
153 | "expected %d, found %d bytes\n", | |
154 | expected_len, actual_len); | |
155 | return 0; | |
156 | } | |
157 | ||
158 | return 1; | |
159 | } | |
160 | ||
161 | return 0; | |
162 | } | |
163 | ||
164 | static void pnpacpi_parse_allocated_vendor(struct pnp_dev *dev, | |
165 | struct acpi_resource_vendor_typed *vendor) | |
166 | { | |
167 | if (vendor_resource_matches(dev, vendor, &hp_ccsr_uuid, 16)) { | |
168 | u64 start, length; | |
169 | ||
170 | memcpy(&start, vendor->byte_data, sizeof(start)); | |
171 | memcpy(&length, vendor->byte_data + 8, sizeof(length)); | |
172 | ||
173 | pnp_add_mem_resource(dev, start, start + length - 1, 0); | |
174 | } | |
175 | } | |
176 | ||
1da177e4 | 177 | static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res, |
9dd78466 | 178 | void *data) |
1da177e4 | 179 | { |
4ab55d8d | 180 | struct pnp_dev *dev = data; |
9570a20e | 181 | struct acpi_resource_dma *dma; |
40ab4f4c | 182 | struct acpi_resource_vendor_typed *vendor_typed; |
a49170b5 JL |
183 | struct resource_win win = {{0}, 0}; |
184 | struct resource *r = &win.res; | |
dc16f5f2 | 185 | int i, flags; |
1da177e4 | 186 | |
a49170b5 JL |
187 | if (acpi_dev_resource_address_space(res, &win) |
188 | || acpi_dev_resource_ext_address_space(res, &win)) { | |
189 | pnp_add_resource(dev, &win.res); | |
046d9ce6 RW |
190 | return AE_OK; |
191 | } | |
192 | ||
a49170b5 JL |
193 | r->flags = 0; |
194 | if (acpi_dev_resource_interrupt(res, 0, r)) { | |
195 | pnpacpi_add_irqresource(dev, r); | |
196 | for (i = 1; acpi_dev_resource_interrupt(res, i, r); i++) | |
197 | pnpacpi_add_irqresource(dev, r); | |
5acf9141 | 198 | |
046d9ce6 | 199 | if (i > 1) { |
5acf9141 BH |
200 | /* |
201 | * The IRQ encoder puts a single interrupt in each | |
202 | * descriptor, so if a _CRS descriptor has more than | |
203 | * one interrupt, we won't be able to re-encode it. | |
204 | */ | |
046d9ce6 | 205 | if (pnp_can_write(dev)) { |
5acf9141 BH |
206 | dev_warn(&dev->dev, "multiple interrupts in " |
207 | "_CRS descriptor; configuration can't " | |
208 | "be changed\n"); | |
209 | dev->capabilities &= ~PNP_WRITE; | |
210 | } | |
1da177e4 | 211 | } |
046d9ce6 | 212 | return AE_OK; |
a49170b5 | 213 | } else if (r->flags & IORESOURCE_DISABLED) { |
046d9ce6 RW |
214 | pnp_add_irq_resource(dev, 0, IORESOURCE_DISABLED); |
215 | return AE_OK; | |
216 | } | |
1da177e4 | 217 | |
046d9ce6 | 218 | switch (res->type) { |
89935315 ZR |
219 | case ACPI_RESOURCE_TYPE_MEMORY24: |
220 | case ACPI_RESOURCE_TYPE_MEMORY32: | |
221 | case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: | |
a49170b5 JL |
222 | if (acpi_dev_resource_memory(res, r)) |
223 | pnp_add_resource(dev, r); | |
89935315 ZR |
224 | break; |
225 | case ACPI_RESOURCE_TYPE_IO: | |
226 | case ACPI_RESOURCE_TYPE_FIXED_IO: | |
a49170b5 JL |
227 | if (acpi_dev_resource_io(res, r)) |
228 | pnp_add_resource(dev, r); | |
89935315 | 229 | break; |
50eca3eb | 230 | case ACPI_RESOURCE_TYPE_DMA: |
9570a20e | 231 | dma = &res->data.dma; |
5acf9141 | 232 | if (dma->channel_count > 0 && dma->channels[0] != (u8) -1) |
958a1fdd | 233 | flags = dma_flags(dev, dma->type, dma->bus_master, |
dc16f5f2 | 234 | dma->transfer); |
5acf9141 BH |
235 | else |
236 | flags = IORESOURCE_DISABLED; | |
237 | pnp_add_dma_resource(dev, dma->channels[0], flags); | |
1da177e4 | 238 | break; |
0af5853b | 239 | |
0af5853b LB |
240 | case ACPI_RESOURCE_TYPE_START_DEPENDENT: |
241 | case ACPI_RESOURCE_TYPE_END_DEPENDENT: | |
242 | break; | |
243 | ||
0af5853b | 244 | case ACPI_RESOURCE_TYPE_VENDOR: |
40ab4f4c BH |
245 | vendor_typed = &res->data.vendor_typed; |
246 | pnpacpi_parse_allocated_vendor(dev, vendor_typed); | |
0af5853b LB |
247 | break; |
248 | ||
249 | case ACPI_RESOURCE_TYPE_END_TAG: | |
250 | break; | |
251 | ||
0af5853b | 252 | case ACPI_RESOURCE_TYPE_GENERIC_REGISTER: |
1da177e4 | 253 | break; |
86e75410 HA |
254 | |
255 | case ACPI_RESOURCE_TYPE_SERIAL_BUS: | |
256 | /* serial bus connections (I2C/SPI/UART) are not pnp */ | |
257 | break; | |
0af5853b | 258 | |
1da177e4 | 259 | default: |
af11cb2d BH |
260 | dev_warn(&dev->dev, "unknown resource type %d in _CRS\n", |
261 | res->type); | |
1da177e4 LT |
262 | return AE_ERROR; |
263 | } | |
1c6e7d0a | 264 | |
1da177e4 LT |
265 | return AE_OK; |
266 | } | |
267 | ||
d152cf5d | 268 | int pnpacpi_parse_allocated_resource(struct pnp_dev *dev) |
1da177e4 | 269 | { |
c4da6940 BH |
270 | struct acpi_device *acpi_dev = dev->data; |
271 | acpi_handle handle = acpi_dev->handle; | |
d152cf5d | 272 | acpi_status status; |
4ab55d8d | 273 | |
2f53432c | 274 | pnp_dbg(&dev->dev, "parse allocated resources\n"); |
72dcc883 | 275 | |
f4490002 | 276 | pnp_init_resources(dev); |
1da177e4 | 277 | |
d152cf5d BH |
278 | status = acpi_walk_resources(handle, METHOD_NAME__CRS, |
279 | pnpacpi_allocated_resource, dev); | |
280 | ||
281 | if (ACPI_FAILURE(status)) { | |
282 | if (status != AE_NOT_FOUND) | |
283 | dev_err(&dev->dev, "can't evaluate _CRS: %d", status); | |
284 | return -EPERM; | |
285 | } | |
286 | return 0; | |
1da177e4 LT |
287 | } |
288 | ||
c1caf06c | 289 | static __init void pnpacpi_parse_dma_option(struct pnp_dev *dev, |
1f32ca31 | 290 | unsigned int option_flags, |
2bb9a6b3 | 291 | struct acpi_resource_dma *p) |
1da177e4 LT |
292 | { |
293 | int i; | |
18fd470a | 294 | unsigned char map = 0, flags; |
1da177e4 | 295 | |
9dd78466 | 296 | for (i = 0; i < p->channel_count; i++) |
c227536b | 297 | map |= 1 << p->channels[i]; |
1da177e4 | 298 | |
18fd470a | 299 | flags = dma_flags(dev, p->type, p->bus_master, p->transfer); |
1f32ca31 | 300 | pnp_register_dma_resource(dev, option_flags, map, flags); |
1da177e4 LT |
301 | } |
302 | ||
c1caf06c | 303 | static __init void pnpacpi_parse_irq_option(struct pnp_dev *dev, |
1f32ca31 | 304 | unsigned int option_flags, |
2bb9a6b3 | 305 | struct acpi_resource_irq *p) |
1da177e4 LT |
306 | { |
307 | int i; | |
c227536b | 308 | pnp_irq_mask_t map; |
18fd470a | 309 | unsigned char flags; |
1da177e4 | 310 | |
c227536b | 311 | bitmap_zero(map.bits, PNP_IRQ_NR); |
9dd78466 | 312 | for (i = 0; i < p->interrupt_count; i++) |
1da177e4 | 313 | if (p->interrupts[i]) |
c227536b | 314 | __set_bit(p->interrupts[i], map.bits); |
1da177e4 | 315 | |
046d9ce6 | 316 | flags = acpi_dev_irq_flags(p->triggering, p->polarity, p->sharable); |
1f32ca31 | 317 | pnp_register_irq_resource(dev, option_flags, &map, flags); |
1da177e4 LT |
318 | } |
319 | ||
c1caf06c | 320 | static __init void pnpacpi_parse_ext_irq_option(struct pnp_dev *dev, |
1f32ca31 | 321 | unsigned int option_flags, |
2bb9a6b3 | 322 | struct acpi_resource_extended_irq *p) |
1da177e4 LT |
323 | { |
324 | int i; | |
c227536b | 325 | pnp_irq_mask_t map; |
18fd470a | 326 | unsigned char flags; |
1da177e4 | 327 | |
c227536b | 328 | bitmap_zero(map.bits, PNP_IRQ_NR); |
fe2cf598 BH |
329 | for (i = 0; i < p->interrupt_count; i++) { |
330 | if (p->interrupts[i]) { | |
331 | if (p->interrupts[i] < PNP_IRQ_NR) | |
332 | __set_bit(p->interrupts[i], map.bits); | |
333 | else | |
334 | dev_err(&dev->dev, "ignoring IRQ %d option " | |
335 | "(too large for %d entry bitmap)\n", | |
336 | p->interrupts[i], PNP_IRQ_NR); | |
337 | } | |
338 | } | |
1da177e4 | 339 | |
046d9ce6 | 340 | flags = acpi_dev_irq_flags(p->triggering, p->polarity, p->sharable); |
1f32ca31 | 341 | pnp_register_irq_resource(dev, option_flags, &map, flags); |
1da177e4 LT |
342 | } |
343 | ||
c1caf06c | 344 | static __init void pnpacpi_parse_port_option(struct pnp_dev *dev, |
1f32ca31 | 345 | unsigned int option_flags, |
2bb9a6b3 | 346 | struct acpi_resource_io *io) |
1da177e4 | 347 | { |
c227536b | 348 | unsigned char flags = 0; |
1da177e4 | 349 | |
c227536b | 350 | if (io->io_decode == ACPI_DECODE_16) |
18fd470a | 351 | flags = IORESOURCE_IO_16BIT_ADDR; |
1f32ca31 | 352 | pnp_register_port_resource(dev, option_flags, io->minimum, io->maximum, |
c227536b | 353 | io->alignment, io->address_length, flags); |
1da177e4 LT |
354 | } |
355 | ||
c1caf06c | 356 | static __init void pnpacpi_parse_fixed_port_option(struct pnp_dev *dev, |
1f32ca31 | 357 | unsigned int option_flags, |
2bb9a6b3 | 358 | struct acpi_resource_fixed_io *io) |
1da177e4 | 359 | { |
1f32ca31 | 360 | pnp_register_port_resource(dev, option_flags, io->address, io->address, |
18fd470a | 361 | 0, io->address_length, IORESOURCE_IO_FIXED); |
1da177e4 LT |
362 | } |
363 | ||
c1caf06c | 364 | static __init void pnpacpi_parse_mem24_option(struct pnp_dev *dev, |
1f32ca31 | 365 | unsigned int option_flags, |
2bb9a6b3 | 366 | struct acpi_resource_memory24 *p) |
1da177e4 | 367 | { |
c227536b | 368 | unsigned char flags = 0; |
1da177e4 | 369 | |
c227536b | 370 | if (p->write_protect == ACPI_READ_WRITE_MEMORY) |
18fd470a | 371 | flags = IORESOURCE_MEM_WRITEABLE; |
1f32ca31 | 372 | pnp_register_mem_resource(dev, option_flags, p->minimum, p->maximum, |
c227536b | 373 | p->alignment, p->address_length, flags); |
1da177e4 LT |
374 | } |
375 | ||
c1caf06c | 376 | static __init void pnpacpi_parse_mem32_option(struct pnp_dev *dev, |
1f32ca31 | 377 | unsigned int option_flags, |
2bb9a6b3 | 378 | struct acpi_resource_memory32 *p) |
1da177e4 | 379 | { |
c227536b | 380 | unsigned char flags = 0; |
1da177e4 | 381 | |
c227536b | 382 | if (p->write_protect == ACPI_READ_WRITE_MEMORY) |
18fd470a | 383 | flags = IORESOURCE_MEM_WRITEABLE; |
1f32ca31 | 384 | pnp_register_mem_resource(dev, option_flags, p->minimum, p->maximum, |
c227536b | 385 | p->alignment, p->address_length, flags); |
1da177e4 LT |
386 | } |
387 | ||
c1caf06c | 388 | static __init void pnpacpi_parse_fixed_mem32_option(struct pnp_dev *dev, |
1f32ca31 | 389 | unsigned int option_flags, |
2bb9a6b3 | 390 | struct acpi_resource_fixed_memory32 *p) |
1da177e4 | 391 | { |
c227536b | 392 | unsigned char flags = 0; |
1da177e4 | 393 | |
c227536b | 394 | if (p->write_protect == ACPI_READ_WRITE_MEMORY) |
18fd470a | 395 | flags = IORESOURCE_MEM_WRITEABLE; |
1f32ca31 | 396 | pnp_register_mem_resource(dev, option_flags, p->address, p->address, |
c227536b | 397 | 0, p->address_length, flags); |
1da177e4 LT |
398 | } |
399 | ||
c1caf06c | 400 | static __init void pnpacpi_parse_address_option(struct pnp_dev *dev, |
1f32ca31 | 401 | unsigned int option_flags, |
2bb9a6b3 | 402 | struct acpi_resource *r) |
6f957eaf BH |
403 | { |
404 | struct acpi_resource_address64 addr, *p = &addr; | |
405 | acpi_status status; | |
c227536b | 406 | unsigned char flags = 0; |
6f957eaf BH |
407 | |
408 | status = acpi_resource_to_address64(r, p); | |
958a1fdd BH |
409 | if (ACPI_FAILURE(status)) { |
410 | dev_warn(&dev->dev, "can't convert resource type %d\n", | |
9dd78466 | 411 | r->type); |
6f957eaf BH |
412 | return; |
413 | } | |
414 | ||
6f957eaf | 415 | if (p->resource_type == ACPI_MEMORY_RANGE) { |
c227536b | 416 | if (p->info.mem.write_protect == ACPI_READ_WRITE_MEMORY) |
18fd470a | 417 | flags = IORESOURCE_MEM_WRITEABLE; |
a45de93e LZ |
418 | pnp_register_mem_resource(dev, option_flags, p->address.minimum, |
419 | p->address.minimum, 0, p->address.address_length, | |
1f32ca31 | 420 | flags); |
c227536b | 421 | } else if (p->resource_type == ACPI_IO_RANGE) |
a45de93e LZ |
422 | pnp_register_port_resource(dev, option_flags, p->address.minimum, |
423 | p->address.minimum, 0, p->address.address_length, | |
18fd470a | 424 | IORESOURCE_IO_FIXED); |
6f957eaf BH |
425 | } |
426 | ||
8cb24c8f BH |
427 | static __init void pnpacpi_parse_ext_address_option(struct pnp_dev *dev, |
428 | unsigned int option_flags, | |
429 | struct acpi_resource *r) | |
430 | { | |
431 | struct acpi_resource_extended_address64 *p = &r->data.ext_address64; | |
432 | unsigned char flags = 0; | |
433 | ||
8cb24c8f BH |
434 | if (p->resource_type == ACPI_MEMORY_RANGE) { |
435 | if (p->info.mem.write_protect == ACPI_READ_WRITE_MEMORY) | |
18fd470a | 436 | flags = IORESOURCE_MEM_WRITEABLE; |
a45de93e LZ |
437 | pnp_register_mem_resource(dev, option_flags, p->address.minimum, |
438 | p->address.minimum, 0, p->address.address_length, | |
8cb24c8f BH |
439 | flags); |
440 | } else if (p->resource_type == ACPI_IO_RANGE) | |
a45de93e LZ |
441 | pnp_register_port_resource(dev, option_flags, p->address.minimum, |
442 | p->address.minimum, 0, p->address.address_length, | |
18fd470a | 443 | IORESOURCE_IO_FIXED); |
8cb24c8f BH |
444 | } |
445 | ||
1da177e4 | 446 | struct acpipnp_parse_option_s { |
1da177e4 | 447 | struct pnp_dev *dev; |
1f32ca31 | 448 | unsigned int option_flags; |
1da177e4 LT |
449 | }; |
450 | ||
2bb9a6b3 TR |
451 | static __init acpi_status pnpacpi_option_resource(struct acpi_resource *res, |
452 | void *data) | |
1da177e4 | 453 | { |
e2a1a6f1 | 454 | int priority; |
4721a4cc | 455 | struct acpipnp_parse_option_s *parse_data = data; |
1da177e4 | 456 | struct pnp_dev *dev = parse_data->dev; |
1f32ca31 | 457 | unsigned int option_flags = parse_data->option_flags; |
1da177e4 | 458 | |
eca008c8 | 459 | switch (res->type) { |
9dd78466 | 460 | case ACPI_RESOURCE_TYPE_IRQ: |
1f32ca31 | 461 | pnpacpi_parse_irq_option(dev, option_flags, &res->data.irq); |
9dd78466 | 462 | break; |
0af5853b | 463 | |
9dd78466 | 464 | case ACPI_RESOURCE_TYPE_DMA: |
1f32ca31 | 465 | pnpacpi_parse_dma_option(dev, option_flags, &res->data.dma); |
9dd78466 | 466 | break; |
0af5853b | 467 | |
9dd78466 BH |
468 | case ACPI_RESOURCE_TYPE_START_DEPENDENT: |
469 | switch (res->data.start_dpf.compatibility_priority) { | |
470 | case ACPI_GOOD_CONFIGURATION: | |
471 | priority = PNP_RES_PRIORITY_PREFERRED; | |
1da177e4 | 472 | break; |
0af5853b | 473 | |
9dd78466 BH |
474 | case ACPI_ACCEPTABLE_CONFIGURATION: |
475 | priority = PNP_RES_PRIORITY_ACCEPTABLE; | |
b008b8d7 | 476 | break; |
0af5853b | 477 | |
9dd78466 BH |
478 | case ACPI_SUB_OPTIMAL_CONFIGURATION: |
479 | priority = PNP_RES_PRIORITY_FUNCTIONAL; | |
0af5853b | 480 | break; |
9dd78466 BH |
481 | default: |
482 | priority = PNP_RES_PRIORITY_INVALID; | |
0af5853b | 483 | break; |
9dd78466 | 484 | } |
1f32ca31 | 485 | parse_data->option_flags = pnp_new_dependent_set(dev, priority); |
9dd78466 | 486 | break; |
0af5853b | 487 | |
9dd78466 | 488 | case ACPI_RESOURCE_TYPE_END_DEPENDENT: |
1f32ca31 | 489 | parse_data->option_flags = 0; |
9dd78466 | 490 | break; |
0af5853b | 491 | |
9dd78466 | 492 | case ACPI_RESOURCE_TYPE_IO: |
1f32ca31 | 493 | pnpacpi_parse_port_option(dev, option_flags, &res->data.io); |
9dd78466 | 494 | break; |
0af5853b | 495 | |
9dd78466 | 496 | case ACPI_RESOURCE_TYPE_FIXED_IO: |
1f32ca31 | 497 | pnpacpi_parse_fixed_port_option(dev, option_flags, |
c1caf06c | 498 | &res->data.fixed_io); |
9dd78466 | 499 | break; |
0af5853b | 500 | |
9dd78466 BH |
501 | case ACPI_RESOURCE_TYPE_VENDOR: |
502 | case ACPI_RESOURCE_TYPE_END_TAG: | |
503 | break; | |
0af5853b | 504 | |
9dd78466 | 505 | case ACPI_RESOURCE_TYPE_MEMORY24: |
1f32ca31 BH |
506 | pnpacpi_parse_mem24_option(dev, option_flags, |
507 | &res->data.memory24); | |
9dd78466 | 508 | break; |
0af5853b | 509 | |
9dd78466 | 510 | case ACPI_RESOURCE_TYPE_MEMORY32: |
1f32ca31 BH |
511 | pnpacpi_parse_mem32_option(dev, option_flags, |
512 | &res->data.memory32); | |
9dd78466 | 513 | break; |
0af5853b | 514 | |
9dd78466 | 515 | case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: |
1f32ca31 | 516 | pnpacpi_parse_fixed_mem32_option(dev, option_flags, |
9dd78466 BH |
517 | &res->data.fixed_memory32); |
518 | break; | |
0af5853b | 519 | |
9dd78466 BH |
520 | case ACPI_RESOURCE_TYPE_ADDRESS16: |
521 | case ACPI_RESOURCE_TYPE_ADDRESS32: | |
522 | case ACPI_RESOURCE_TYPE_ADDRESS64: | |
1f32ca31 | 523 | pnpacpi_parse_address_option(dev, option_flags, res); |
9dd78466 | 524 | break; |
0af5853b | 525 | |
9dd78466 | 526 | case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64: |
8cb24c8f | 527 | pnpacpi_parse_ext_address_option(dev, option_flags, res); |
9dd78466 BH |
528 | break; |
529 | ||
530 | case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: | |
1f32ca31 | 531 | pnpacpi_parse_ext_irq_option(dev, option_flags, |
c1caf06c | 532 | &res->data.extended_irq); |
9dd78466 BH |
533 | break; |
534 | ||
535 | case ACPI_RESOURCE_TYPE_GENERIC_REGISTER: | |
536 | break; | |
537 | ||
538 | default: | |
af11cb2d BH |
539 | dev_warn(&dev->dev, "unknown resource type %d in _PRS\n", |
540 | res->type); | |
9dd78466 | 541 | return AE_ERROR; |
1da177e4 | 542 | } |
1c6e7d0a | 543 | |
1da177e4 LT |
544 | return AE_OK; |
545 | } | |
546 | ||
d152cf5d | 547 | int __init pnpacpi_parse_resource_option_data(struct pnp_dev *dev) |
1da177e4 | 548 | { |
c4da6940 BH |
549 | struct acpi_device *acpi_dev = dev->data; |
550 | acpi_handle handle = acpi_dev->handle; | |
1da177e4 LT |
551 | acpi_status status; |
552 | struct acpipnp_parse_option_s parse_data; | |
553 | ||
2f53432c | 554 | pnp_dbg(&dev->dev, "parse resource options\n"); |
72dcc883 | 555 | |
1da177e4 | 556 | parse_data.dev = dev; |
1f32ca31 BH |
557 | parse_data.option_flags = 0; |
558 | ||
50eca3eb | 559 | status = acpi_walk_resources(handle, METHOD_NAME__PRS, |
9dd78466 | 560 | pnpacpi_option_resource, &parse_data); |
1da177e4 | 561 | |
d152cf5d BH |
562 | if (ACPI_FAILURE(status)) { |
563 | if (status != AE_NOT_FOUND) | |
564 | dev_err(&dev->dev, "can't evaluate _PRS: %d", status); | |
565 | return -EPERM; | |
566 | } | |
567 | return 0; | |
1da177e4 LT |
568 | } |
569 | ||
b5f2490b | 570 | static int pnpacpi_supported_resource(struct acpi_resource *res) |
1da177e4 | 571 | { |
eca008c8 | 572 | switch (res->type) { |
50eca3eb | 573 | case ACPI_RESOURCE_TYPE_IRQ: |
50eca3eb BM |
574 | case ACPI_RESOURCE_TYPE_DMA: |
575 | case ACPI_RESOURCE_TYPE_IO: | |
576 | case ACPI_RESOURCE_TYPE_FIXED_IO: | |
577 | case ACPI_RESOURCE_TYPE_MEMORY24: | |
578 | case ACPI_RESOURCE_TYPE_MEMORY32: | |
579 | case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: | |
50eca3eb BM |
580 | case ACPI_RESOURCE_TYPE_ADDRESS16: |
581 | case ACPI_RESOURCE_TYPE_ADDRESS32: | |
582 | case ACPI_RESOURCE_TYPE_ADDRESS64: | |
8cb24c8f | 583 | case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64: |
0af5853b | 584 | case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: |
b5f2490b | 585 | return 1; |
1da177e4 | 586 | } |
b5f2490b BH |
587 | return 0; |
588 | } | |
589 | ||
590 | /* | |
591 | * Set resource | |
592 | */ | |
593 | static acpi_status pnpacpi_count_resources(struct acpi_resource *res, | |
9dd78466 | 594 | void *data) |
b5f2490b | 595 | { |
4721a4cc | 596 | int *res_cnt = data; |
b5f2490b BH |
597 | |
598 | if (pnpacpi_supported_resource(res)) | |
599 | (*res_cnt)++; | |
1da177e4 LT |
600 | return AE_OK; |
601 | } | |
602 | ||
1c6e7d0a | 603 | static acpi_status pnpacpi_type_resources(struct acpi_resource *res, void *data) |
1da177e4 | 604 | { |
4721a4cc | 605 | struct acpi_resource **resource = data; |
b5f2490b BH |
606 | |
607 | if (pnpacpi_supported_resource(res)) { | |
eca008c8 | 608 | (*resource)->type = res->type; |
b5f2490b | 609 | (*resource)->length = sizeof(struct acpi_resource); |
36d872a3 BH |
610 | if (res->type == ACPI_RESOURCE_TYPE_IRQ) |
611 | (*resource)->data.irq.descriptor_length = | |
612 | res->data.irq.descriptor_length; | |
1da177e4 | 613 | (*resource)++; |
1da177e4 LT |
614 | } |
615 | ||
616 | return AE_OK; | |
617 | } | |
618 | ||
cdef6254 | 619 | int pnpacpi_build_resource_template(struct pnp_dev *dev, |
9dd78466 | 620 | struct acpi_buffer *buffer) |
1da177e4 | 621 | { |
c4da6940 BH |
622 | struct acpi_device *acpi_dev = dev->data; |
623 | acpi_handle handle = acpi_dev->handle; | |
1da177e4 LT |
624 | struct acpi_resource *resource; |
625 | int res_cnt = 0; | |
626 | acpi_status status; | |
627 | ||
50eca3eb | 628 | status = acpi_walk_resources(handle, METHOD_NAME__CRS, |
9dd78466 | 629 | pnpacpi_count_resources, &res_cnt); |
1da177e4 | 630 | if (ACPI_FAILURE(status)) { |
d152cf5d | 631 | dev_err(&dev->dev, "can't evaluate _CRS: %d\n", status); |
1da177e4 LT |
632 | return -EINVAL; |
633 | } | |
634 | if (!res_cnt) | |
635 | return -EINVAL; | |
636 | buffer->length = sizeof(struct acpi_resource) * (res_cnt + 1) + 1; | |
cd861280 | 637 | buffer->pointer = kzalloc(buffer->length - 1, GFP_KERNEL); |
1da177e4 LT |
638 | if (!buffer->pointer) |
639 | return -ENOMEM; | |
72dcc883 | 640 | |
1da177e4 | 641 | resource = (struct acpi_resource *)buffer->pointer; |
50eca3eb | 642 | status = acpi_walk_resources(handle, METHOD_NAME__CRS, |
9dd78466 | 643 | pnpacpi_type_resources, &resource); |
1da177e4 LT |
644 | if (ACPI_FAILURE(status)) { |
645 | kfree(buffer->pointer); | |
d152cf5d | 646 | dev_err(&dev->dev, "can't evaluate _CRS: %d\n", status); |
1da177e4 LT |
647 | return -EINVAL; |
648 | } | |
649 | /* resource will pointer the end resource now */ | |
50eca3eb | 650 | resource->type = ACPI_RESOURCE_TYPE_END_TAG; |
f084dbb9 | 651 | resource->length = sizeof(struct acpi_resource); |
1da177e4 LT |
652 | |
653 | return 0; | |
654 | } | |
655 | ||
72dcc883 BH |
656 | static void pnpacpi_encode_irq(struct pnp_dev *dev, |
657 | struct acpi_resource *resource, | |
9dd78466 | 658 | struct resource *p) |
1da177e4 | 659 | { |
9570a20e | 660 | struct acpi_resource_irq *irq = &resource->data.irq; |
bbee06d0 | 661 | u8 triggering, polarity, shareable; |
1c6e7d0a | 662 | |
aee3ad81 BH |
663 | if (!pnp_resource_enabled(p)) { |
664 | irq->interrupt_count = 0; | |
2f53432c | 665 | pnp_dbg(&dev->dev, " encode irq (%s)\n", |
aee3ad81 BH |
666 | p ? "disabled" : "missing"); |
667 | return; | |
668 | } | |
669 | ||
a993273b | 670 | decode_irq_flags(dev, p->flags, &triggering, &polarity, &shareable); |
9570a20e BH |
671 | irq->triggering = triggering; |
672 | irq->polarity = polarity; | |
a993273b | 673 | irq->sharable = shareable; |
9570a20e BH |
674 | irq->interrupt_count = 1; |
675 | irq->interrupts[0] = p->start; | |
72dcc883 | 676 | |
2f53432c | 677 | pnp_dbg(&dev->dev, " encode irq %d %s %s %s (%d-byte descriptor)\n", |
36d872a3 | 678 | (int) p->start, |
72dcc883 BH |
679 | triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge", |
680 | polarity == ACPI_ACTIVE_LOW ? "low" : "high", | |
36d872a3 BH |
681 | irq->sharable == ACPI_SHARED ? "shared" : "exclusive", |
682 | irq->descriptor_length); | |
1da177e4 LT |
683 | } |
684 | ||
72dcc883 BH |
685 | static void pnpacpi_encode_ext_irq(struct pnp_dev *dev, |
686 | struct acpi_resource *resource, | |
9dd78466 | 687 | struct resource *p) |
1da177e4 | 688 | { |
9570a20e | 689 | struct acpi_resource_extended_irq *extended_irq = &resource->data.extended_irq; |
bbee06d0 | 690 | u8 triggering, polarity, shareable; |
1c6e7d0a | 691 | |
aee3ad81 BH |
692 | if (!pnp_resource_enabled(p)) { |
693 | extended_irq->interrupt_count = 0; | |
2f53432c | 694 | pnp_dbg(&dev->dev, " encode extended irq (%s)\n", |
aee3ad81 BH |
695 | p ? "disabled" : "missing"); |
696 | return; | |
697 | } | |
698 | ||
a993273b | 699 | decode_irq_flags(dev, p->flags, &triggering, &polarity, &shareable); |
9570a20e BH |
700 | extended_irq->producer_consumer = ACPI_CONSUMER; |
701 | extended_irq->triggering = triggering; | |
702 | extended_irq->polarity = polarity; | |
a993273b | 703 | extended_irq->sharable = shareable; |
9570a20e BH |
704 | extended_irq->interrupt_count = 1; |
705 | extended_irq->interrupts[0] = p->start; | |
72dcc883 | 706 | |
2f53432c | 707 | pnp_dbg(&dev->dev, " encode irq %d %s %s %s\n", (int) p->start, |
72dcc883 BH |
708 | triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge", |
709 | polarity == ACPI_ACTIVE_LOW ? "low" : "high", | |
710 | extended_irq->sharable == ACPI_SHARED ? "shared" : "exclusive"); | |
1da177e4 LT |
711 | } |
712 | ||
72dcc883 BH |
713 | static void pnpacpi_encode_dma(struct pnp_dev *dev, |
714 | struct acpi_resource *resource, | |
9dd78466 | 715 | struct resource *p) |
1da177e4 | 716 | { |
9570a20e BH |
717 | struct acpi_resource_dma *dma = &resource->data.dma; |
718 | ||
aee3ad81 BH |
719 | if (!pnp_resource_enabled(p)) { |
720 | dma->channel_count = 0; | |
2f53432c | 721 | pnp_dbg(&dev->dev, " encode dma (%s)\n", |
aee3ad81 BH |
722 | p ? "disabled" : "missing"); |
723 | return; | |
724 | } | |
725 | ||
1da177e4 | 726 | /* Note: pnp_assign_dma will copy pnp_dma->flags into p->flags */ |
ccc4c7bb | 727 | switch (p->flags & IORESOURCE_DMA_SPEED_MASK) { |
9dd78466 | 728 | case IORESOURCE_DMA_TYPEA: |
9570a20e | 729 | dma->type = ACPI_TYPE_A; |
9dd78466 BH |
730 | break; |
731 | case IORESOURCE_DMA_TYPEB: | |
9570a20e | 732 | dma->type = ACPI_TYPE_B; |
9dd78466 BH |
733 | break; |
734 | case IORESOURCE_DMA_TYPEF: | |
9570a20e | 735 | dma->type = ACPI_TYPE_F; |
9dd78466 BH |
736 | break; |
737 | default: | |
9570a20e | 738 | dma->type = ACPI_COMPATIBILITY; |
ccc4c7bb VP |
739 | } |
740 | ||
741 | switch (p->flags & IORESOURCE_DMA_TYPE_MASK) { | |
9dd78466 | 742 | case IORESOURCE_DMA_8BIT: |
9570a20e | 743 | dma->transfer = ACPI_TRANSFER_8; |
9dd78466 BH |
744 | break; |
745 | case IORESOURCE_DMA_8AND16BIT: | |
9570a20e | 746 | dma->transfer = ACPI_TRANSFER_8_16; |
9dd78466 BH |
747 | break; |
748 | default: | |
9570a20e | 749 | dma->transfer = ACPI_TRANSFER_16; |
ccc4c7bb VP |
750 | } |
751 | ||
9570a20e BH |
752 | dma->bus_master = !!(p->flags & IORESOURCE_DMA_MASTER); |
753 | dma->channel_count = 1; | |
754 | dma->channels[0] = p->start; | |
72dcc883 | 755 | |
2f53432c | 756 | pnp_dbg(&dev->dev, " encode dma %d " |
72dcc883 BH |
757 | "type %#x transfer %#x master %d\n", |
758 | (int) p->start, dma->type, dma->transfer, dma->bus_master); | |
1da177e4 LT |
759 | } |
760 | ||
72dcc883 BH |
761 | static void pnpacpi_encode_io(struct pnp_dev *dev, |
762 | struct acpi_resource *resource, | |
9dd78466 | 763 | struct resource *p) |
1da177e4 | 764 | { |
9570a20e BH |
765 | struct acpi_resource_io *io = &resource->data.io; |
766 | ||
aee3ad81 BH |
767 | if (pnp_resource_enabled(p)) { |
768 | /* Note: pnp_assign_port copies pnp_port->flags into p->flags */ | |
08c9f262 | 769 | io->io_decode = (p->flags & IORESOURCE_IO_16BIT_ADDR) ? |
aee3ad81 BH |
770 | ACPI_DECODE_16 : ACPI_DECODE_10; |
771 | io->minimum = p->start; | |
772 | io->maximum = p->end; | |
773 | io->alignment = 0; /* Correct? */ | |
28f65c11 | 774 | io->address_length = resource_size(p); |
aee3ad81 BH |
775 | } else { |
776 | io->minimum = 0; | |
777 | io->address_length = 0; | |
778 | } | |
72dcc883 | 779 | |
2f53432c | 780 | pnp_dbg(&dev->dev, " encode io %#x-%#x decode %#x\n", io->minimum, |
aee3ad81 | 781 | io->minimum + io->address_length - 1, io->io_decode); |
1da177e4 LT |
782 | } |
783 | ||
72dcc883 BH |
784 | static void pnpacpi_encode_fixed_io(struct pnp_dev *dev, |
785 | struct acpi_resource *resource, | |
9dd78466 | 786 | struct resource *p) |
1da177e4 | 787 | { |
9570a20e BH |
788 | struct acpi_resource_fixed_io *fixed_io = &resource->data.fixed_io; |
789 | ||
aee3ad81 BH |
790 | if (pnp_resource_enabled(p)) { |
791 | fixed_io->address = p->start; | |
28f65c11 | 792 | fixed_io->address_length = resource_size(p); |
aee3ad81 BH |
793 | } else { |
794 | fixed_io->address = 0; | |
795 | fixed_io->address_length = 0; | |
796 | } | |
72dcc883 | 797 | |
2f53432c | 798 | pnp_dbg(&dev->dev, " encode fixed_io %#x-%#x\n", fixed_io->address, |
aee3ad81 | 799 | fixed_io->address + fixed_io->address_length - 1); |
1da177e4 LT |
800 | } |
801 | ||
72dcc883 BH |
802 | static void pnpacpi_encode_mem24(struct pnp_dev *dev, |
803 | struct acpi_resource *resource, | |
9dd78466 | 804 | struct resource *p) |
1da177e4 | 805 | { |
9570a20e BH |
806 | struct acpi_resource_memory24 *memory24 = &resource->data.memory24; |
807 | ||
aee3ad81 BH |
808 | if (pnp_resource_enabled(p)) { |
809 | /* Note: pnp_assign_mem copies pnp_mem->flags into p->flags */ | |
810 | memory24->write_protect = p->flags & IORESOURCE_MEM_WRITEABLE ? | |
811 | ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY; | |
812 | memory24->minimum = p->start; | |
813 | memory24->maximum = p->end; | |
814 | memory24->alignment = 0; | |
28f65c11 | 815 | memory24->address_length = resource_size(p); |
aee3ad81 BH |
816 | } else { |
817 | memory24->minimum = 0; | |
818 | memory24->address_length = 0; | |
819 | } | |
820 | ||
2f53432c | 821 | pnp_dbg(&dev->dev, " encode mem24 %#x-%#x write_protect %#x\n", |
aee3ad81 BH |
822 | memory24->minimum, |
823 | memory24->minimum + memory24->address_length - 1, | |
72dcc883 | 824 | memory24->write_protect); |
1da177e4 LT |
825 | } |
826 | ||
72dcc883 BH |
827 | static void pnpacpi_encode_mem32(struct pnp_dev *dev, |
828 | struct acpi_resource *resource, | |
9dd78466 | 829 | struct resource *p) |
1da177e4 | 830 | { |
9570a20e BH |
831 | struct acpi_resource_memory32 *memory32 = &resource->data.memory32; |
832 | ||
aee3ad81 BH |
833 | if (pnp_resource_enabled(p)) { |
834 | memory32->write_protect = p->flags & IORESOURCE_MEM_WRITEABLE ? | |
835 | ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY; | |
836 | memory32->minimum = p->start; | |
837 | memory32->maximum = p->end; | |
838 | memory32->alignment = 0; | |
28f65c11 | 839 | memory32->address_length = resource_size(p); |
aee3ad81 BH |
840 | } else { |
841 | memory32->minimum = 0; | |
842 | memory32->alignment = 0; | |
843 | } | |
72dcc883 | 844 | |
2f53432c | 845 | pnp_dbg(&dev->dev, " encode mem32 %#x-%#x write_protect %#x\n", |
aee3ad81 BH |
846 | memory32->minimum, |
847 | memory32->minimum + memory32->address_length - 1, | |
72dcc883 | 848 | memory32->write_protect); |
1da177e4 LT |
849 | } |
850 | ||
72dcc883 BH |
851 | static void pnpacpi_encode_fixed_mem32(struct pnp_dev *dev, |
852 | struct acpi_resource *resource, | |
9dd78466 | 853 | struct resource *p) |
1da177e4 | 854 | { |
9570a20e BH |
855 | struct acpi_resource_fixed_memory32 *fixed_memory32 = &resource->data.fixed_memory32; |
856 | ||
aee3ad81 BH |
857 | if (pnp_resource_enabled(p)) { |
858 | fixed_memory32->write_protect = | |
859 | p->flags & IORESOURCE_MEM_WRITEABLE ? | |
860 | ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY; | |
861 | fixed_memory32->address = p->start; | |
28f65c11 | 862 | fixed_memory32->address_length = resource_size(p); |
aee3ad81 BH |
863 | } else { |
864 | fixed_memory32->address = 0; | |
865 | fixed_memory32->address_length = 0; | |
866 | } | |
72dcc883 | 867 | |
2f53432c | 868 | pnp_dbg(&dev->dev, " encode fixed_mem32 %#x-%#x write_protect %#x\n", |
aee3ad81 BH |
869 | fixed_memory32->address, |
870 | fixed_memory32->address + fixed_memory32->address_length - 1, | |
72dcc883 | 871 | fixed_memory32->write_protect); |
1da177e4 LT |
872 | } |
873 | ||
4ab55d8d | 874 | int pnpacpi_encode_resources(struct pnp_dev *dev, struct acpi_buffer *buffer) |
1da177e4 LT |
875 | { |
876 | int i = 0; | |
877 | /* pnpacpi_build_resource_template allocates extra mem */ | |
9dd78466 | 878 | int res_cnt = (buffer->length - 1) / sizeof(struct acpi_resource) - 1; |
4721a4cc | 879 | struct acpi_resource *resource = buffer->pointer; |
fac69a2b | 880 | unsigned int port = 0, irq = 0, dma = 0, mem = 0; |
1da177e4 | 881 | |
2f53432c | 882 | pnp_dbg(&dev->dev, "encode %d resources\n", res_cnt); |
1da177e4 | 883 | while (i < res_cnt) { |
9dd78466 | 884 | switch (resource->type) { |
50eca3eb | 885 | case ACPI_RESOURCE_TYPE_IRQ: |
72dcc883 | 886 | pnpacpi_encode_irq(dev, resource, |
7e2cf31f | 887 | pnp_get_resource(dev, IORESOURCE_IRQ, irq)); |
1da177e4 LT |
888 | irq++; |
889 | break; | |
890 | ||
50eca3eb | 891 | case ACPI_RESOURCE_TYPE_DMA: |
72dcc883 | 892 | pnpacpi_encode_dma(dev, resource, |
7e2cf31f | 893 | pnp_get_resource(dev, IORESOURCE_DMA, dma)); |
1c6e7d0a | 894 | dma++; |
1da177e4 | 895 | break; |
50eca3eb | 896 | case ACPI_RESOURCE_TYPE_IO: |
72dcc883 | 897 | pnpacpi_encode_io(dev, resource, |
7e2cf31f | 898 | pnp_get_resource(dev, IORESOURCE_IO, port)); |
1c6e7d0a | 899 | port++; |
1da177e4 | 900 | break; |
50eca3eb | 901 | case ACPI_RESOURCE_TYPE_FIXED_IO: |
72dcc883 | 902 | pnpacpi_encode_fixed_io(dev, resource, |
7e2cf31f | 903 | pnp_get_resource(dev, IORESOURCE_IO, port)); |
1c6e7d0a | 904 | port++; |
1da177e4 | 905 | break; |
50eca3eb | 906 | case ACPI_RESOURCE_TYPE_MEMORY24: |
72dcc883 | 907 | pnpacpi_encode_mem24(dev, resource, |
7e2cf31f | 908 | pnp_get_resource(dev, IORESOURCE_MEM, mem)); |
1c6e7d0a | 909 | mem++; |
1da177e4 | 910 | break; |
50eca3eb | 911 | case ACPI_RESOURCE_TYPE_MEMORY32: |
72dcc883 | 912 | pnpacpi_encode_mem32(dev, resource, |
7e2cf31f | 913 | pnp_get_resource(dev, IORESOURCE_MEM, mem)); |
1c6e7d0a | 914 | mem++; |
1da177e4 | 915 | break; |
50eca3eb | 916 | case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: |
72dcc883 | 917 | pnpacpi_encode_fixed_mem32(dev, resource, |
7e2cf31f | 918 | pnp_get_resource(dev, IORESOURCE_MEM, mem)); |
1c6e7d0a | 919 | mem++; |
1da177e4 | 920 | break; |
0af5853b | 921 | case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: |
72dcc883 | 922 | pnpacpi_encode_ext_irq(dev, resource, |
7e2cf31f | 923 | pnp_get_resource(dev, IORESOURCE_IRQ, irq)); |
0af5853b LB |
924 | irq++; |
925 | break; | |
926 | case ACPI_RESOURCE_TYPE_START_DEPENDENT: | |
927 | case ACPI_RESOURCE_TYPE_END_DEPENDENT: | |
928 | case ACPI_RESOURCE_TYPE_VENDOR: | |
929 | case ACPI_RESOURCE_TYPE_END_TAG: | |
930 | case ACPI_RESOURCE_TYPE_ADDRESS16: | |
931 | case ACPI_RESOURCE_TYPE_ADDRESS32: | |
932 | case ACPI_RESOURCE_TYPE_ADDRESS64: | |
933 | case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64: | |
934 | case ACPI_RESOURCE_TYPE_GENERIC_REGISTER: | |
9dd78466 | 935 | default: /* other type */ |
af11cb2d BH |
936 | dev_warn(&dev->dev, "can't encode unknown resource " |
937 | "type %d\n", resource->type); | |
1da177e4 LT |
938 | return -EINVAL; |
939 | } | |
1c6e7d0a BH |
940 | resource++; |
941 | i++; | |
1da177e4 LT |
942 | } |
943 | return 0; | |
944 | } |