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-rw-r--r--drivers/pnp/pnpacpi/rsparser.c821
1 files changed, 821 insertions, 0 deletions
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
new file mode 100644
index 000000000000..c0ddb1eb8c4d
--- /dev/null
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -0,0 +1,821 @@
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>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2, or (at your option) any
10 * later version.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21#include <linux/kernel.h>
22#include <linux/acpi.h>
23#include <linux/pci.h>
24#include "pnpacpi.h"
25
26#ifdef CONFIG_IA64
27#define valid_IRQ(i) (1)
28#else
29#define valid_IRQ(i) (((i) != 0) && ((i) != 2))
30#endif
31
32/*
33 * Allocated Resources
34 */
35static int irq_flags(int edge_level, int active_high_low)
36{
37 int flag;
38 if (edge_level == ACPI_LEVEL_SENSITIVE) {
39 if(active_high_low == ACPI_ACTIVE_LOW)
40 flag = IORESOURCE_IRQ_LOWLEVEL;
41 else
42 flag = IORESOURCE_IRQ_HIGHLEVEL;
43 }
44 else {
45 if(active_high_low == ACPI_ACTIVE_LOW)
46 flag = IORESOURCE_IRQ_LOWEDGE;
47 else
48 flag = IORESOURCE_IRQ_HIGHEDGE;
49 }
50 return flag;
51}
52
53static void decode_irq_flags(int flag, int *edge_level, int *active_high_low)
54{
55 switch (flag) {
56 case IORESOURCE_IRQ_LOWLEVEL:
57 *edge_level = ACPI_LEVEL_SENSITIVE;
58 *active_high_low = ACPI_ACTIVE_LOW;
59 break;
60 case IORESOURCE_IRQ_HIGHLEVEL:
61 *edge_level = ACPI_LEVEL_SENSITIVE;
62 *active_high_low = ACPI_ACTIVE_HIGH;
63 break;
64 case IORESOURCE_IRQ_LOWEDGE:
65 *edge_level = ACPI_EDGE_SENSITIVE;
66 *active_high_low = ACPI_ACTIVE_LOW;
67 break;
68 case IORESOURCE_IRQ_HIGHEDGE:
69 *edge_level = ACPI_EDGE_SENSITIVE;
70 *active_high_low = ACPI_ACTIVE_HIGH;
71 break;
72 }
73}
74
75static void
76pnpacpi_parse_allocated_irqresource(struct pnp_resource_table * res, int irq)
77{
78 int i = 0;
79 while (!(res->irq_resource[i].flags & IORESOURCE_UNSET) &&
80 i < PNP_MAX_IRQ)
81 i++;
82 if (i < PNP_MAX_IRQ) {
83 res->irq_resource[i].flags = IORESOURCE_IRQ; //Also clears _UNSET flag
84 if (irq == -1) {
85 res->irq_resource[i].flags |= IORESOURCE_DISABLED;
86 return;
87 }
88 res->irq_resource[i].start =(unsigned long) irq;
89 res->irq_resource[i].end = (unsigned long) irq;
90 }
91}
92
93static void
94pnpacpi_parse_allocated_dmaresource(struct pnp_resource_table * res, int dma)
95{
96 int i = 0;
97 while (!(res->dma_resource[i].flags & IORESOURCE_UNSET) &&
98 i < PNP_MAX_DMA)
99 i++;
100 if (i < PNP_MAX_DMA) {
101 res->dma_resource[i].flags = IORESOURCE_DMA; // Also clears _UNSET flag
102 if (dma == -1) {
103 res->dma_resource[i].flags |= IORESOURCE_DISABLED;
104 return;
105 }
106 res->dma_resource[i].start =(unsigned long) dma;
107 res->dma_resource[i].end = (unsigned long) dma;
108 }
109}
110
111static void
112pnpacpi_parse_allocated_ioresource(struct pnp_resource_table * res,
113 int io, int len)
114{
115 int i = 0;
116 while (!(res->port_resource[i].flags & IORESOURCE_UNSET) &&
117 i < PNP_MAX_PORT)
118 i++;
119 if (i < PNP_MAX_PORT) {
120 res->port_resource[i].flags = IORESOURCE_IO; // Also clears _UNSET flag
121 if (len <= 0 || (io + len -1) >= 0x10003) {
122 res->port_resource[i].flags |= IORESOURCE_DISABLED;
123 return;
124 }
125 res->port_resource[i].start = (unsigned long) io;
126 res->port_resource[i].end = (unsigned long)(io + len - 1);
127 }
128}
129
130static void
131pnpacpi_parse_allocated_memresource(struct pnp_resource_table * res,
132 int mem, int len)
133{
134 int i = 0;
135 while (!(res->mem_resource[i].flags & IORESOURCE_UNSET) &&
136 (i < PNP_MAX_MEM))
137 i++;
138 if (i < PNP_MAX_MEM) {
139 res->mem_resource[i].flags = IORESOURCE_MEM; // Also clears _UNSET flag
140 if (len <= 0) {
141 res->mem_resource[i].flags |= IORESOURCE_DISABLED;
142 return;
143 }
144 res->mem_resource[i].start = (unsigned long) mem;
145 res->mem_resource[i].end = (unsigned long)(mem + len - 1);
146 }
147}
148
149
150static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
151 void *data)
152{
153 struct pnp_resource_table * res_table = (struct pnp_resource_table *)data;
154
155 switch (res->id) {
156 case ACPI_RSTYPE_IRQ:
157 if ((res->data.irq.number_of_interrupts > 0) &&
158 valid_IRQ(res->data.irq.interrupts[0])) {
159 pnpacpi_parse_allocated_irqresource(res_table,
160 acpi_register_gsi(res->data.irq.interrupts[0],
161 res->data.irq.edge_level,
162 res->data.irq.active_high_low));
163 pcibios_penalize_isa_irq(res->data.irq.interrupts[0]);
164 }
165 break;
166
167 case ACPI_RSTYPE_EXT_IRQ:
168 if ((res->data.extended_irq.number_of_interrupts > 0) &&
169 valid_IRQ(res->data.extended_irq.interrupts[0])) {
170 pnpacpi_parse_allocated_irqresource(res_table,
171 acpi_register_gsi(res->data.extended_irq.interrupts[0],
172 res->data.extended_irq.edge_level,
173 res->data.extended_irq.active_high_low));
174 pcibios_penalize_isa_irq(res->data.extended_irq.interrupts[0]);
175 }
176 break;
177 case ACPI_RSTYPE_DMA:
178 if (res->data.dma.number_of_channels > 0)
179 pnpacpi_parse_allocated_dmaresource(res_table,
180 res->data.dma.channels[0]);
181 break;
182 case ACPI_RSTYPE_IO:
183 pnpacpi_parse_allocated_ioresource(res_table,
184 res->data.io.min_base_address,
185 res->data.io.range_length);
186 break;
187 case ACPI_RSTYPE_FIXED_IO:
188 pnpacpi_parse_allocated_ioresource(res_table,
189 res->data.fixed_io.base_address,
190 res->data.fixed_io.range_length);
191 break;
192 case ACPI_RSTYPE_MEM24:
193 pnpacpi_parse_allocated_memresource(res_table,
194 res->data.memory24.min_base_address,
195 res->data.memory24.range_length);
196 break;
197 case ACPI_RSTYPE_MEM32:
198 pnpacpi_parse_allocated_memresource(res_table,
199 res->data.memory32.min_base_address,
200 res->data.memory32.range_length);
201 break;
202 case ACPI_RSTYPE_FIXED_MEM32:
203 pnpacpi_parse_allocated_memresource(res_table,
204 res->data.fixed_memory32.range_base_address,
205 res->data.fixed_memory32.range_length);
206 break;
207 case ACPI_RSTYPE_ADDRESS16:
208 pnpacpi_parse_allocated_memresource(res_table,
209 res->data.address16.min_address_range,
210 res->data.address16.address_length);
211 break;
212 case ACPI_RSTYPE_ADDRESS32:
213 pnpacpi_parse_allocated_memresource(res_table,
214 res->data.address32.min_address_range,
215 res->data.address32.address_length);
216 break;
217 case ACPI_RSTYPE_ADDRESS64:
218 pnpacpi_parse_allocated_memresource(res_table,
219 res->data.address64.min_address_range,
220 res->data.address64.address_length);
221 break;
222 case ACPI_RSTYPE_VENDOR:
223 break;
224 default:
225 pnp_warn("PnPACPI: unknown resource type %d", res->id);
226 return AE_ERROR;
227 }
228
229 return AE_OK;
230}
231
232acpi_status pnpacpi_parse_allocated_resource(acpi_handle handle, struct pnp_resource_table * res)
233{
234 /* Blank the resource table values */
235 pnp_init_resource_table(res);
236
237 return acpi_walk_resources(handle, METHOD_NAME__CRS, pnpacpi_allocated_resource, res);
238}
239
240static void pnpacpi_parse_dma_option(struct pnp_option *option, struct acpi_resource_dma *p)
241{
242 int i;
243 struct pnp_dma * dma;
244
245 if (p->number_of_channels == 0)
246 return;
247 dma = pnpacpi_kmalloc(sizeof(struct pnp_dma), GFP_KERNEL);
248 if (!dma)
249 return;
250
251 for(i = 0; i < p->number_of_channels; i++)
252 dma->map |= 1 << p->channels[i];
253 dma->flags = 0;
254 if (p->bus_master)
255 dma->flags |= IORESOURCE_DMA_MASTER;
256 switch (p->type) {
257 case ACPI_COMPATIBILITY:
258 dma->flags |= IORESOURCE_DMA_COMPATIBLE;
259 break;
260 case ACPI_TYPE_A:
261 dma->flags |= IORESOURCE_DMA_TYPEA;
262 break;
263 case ACPI_TYPE_B:
264 dma->flags |= IORESOURCE_DMA_TYPEB;
265 break;
266 case ACPI_TYPE_F:
267 dma->flags |= IORESOURCE_DMA_TYPEF;
268 break;
269 default:
270 /* Set a default value ? */
271 dma->flags |= IORESOURCE_DMA_COMPATIBLE;
272 pnp_err("Invalid DMA type");
273 }
274 switch (p->transfer) {
275 case ACPI_TRANSFER_8:
276 dma->flags |= IORESOURCE_DMA_8BIT;
277 break;
278 case ACPI_TRANSFER_8_16:
279 dma->flags |= IORESOURCE_DMA_8AND16BIT;
280 break;
281 case ACPI_TRANSFER_16:
282 dma->flags |= IORESOURCE_DMA_16BIT;
283 break;
284 default:
285 /* Set a default value ? */
286 dma->flags |= IORESOURCE_DMA_8AND16BIT;
287 pnp_err("Invalid DMA transfer type");
288 }
289
290 pnp_register_dma_resource(option,dma);
291 return;
292}
293
294
295static void pnpacpi_parse_irq_option(struct pnp_option *option,
296 struct acpi_resource_irq *p)
297{
298 int i;
299 struct pnp_irq * irq;
300
301 if (p->number_of_interrupts == 0)
302 return;
303 irq = pnpacpi_kmalloc(sizeof(struct pnp_irq), GFP_KERNEL);
304 if (!irq)
305 return;
306
307 for(i = 0; i < p->number_of_interrupts; i++)
308 if (p->interrupts[i])
309 __set_bit(p->interrupts[i], irq->map);
310 irq->flags = irq_flags(p->edge_level, p->active_high_low);
311
312 pnp_register_irq_resource(option, irq);
313 return;
314}
315
316static void pnpacpi_parse_ext_irq_option(struct pnp_option *option,
317 struct acpi_resource_ext_irq *p)
318{
319 int i;
320 struct pnp_irq * irq;
321
322 if (p->number_of_interrupts == 0)
323 return;
324 irq = pnpacpi_kmalloc(sizeof(struct pnp_irq), GFP_KERNEL);
325 if (!irq)
326 return;
327
328 for(i = 0; i < p->number_of_interrupts; i++)
329 if (p->interrupts[i])
330 __set_bit(p->interrupts[i], irq->map);
331 irq->flags = irq_flags(p->edge_level, p->active_high_low);
332
333 pnp_register_irq_resource(option, irq);
334 return;
335}
336
337static void
338pnpacpi_parse_port_option(struct pnp_option *option,
339 struct acpi_resource_io *io)
340{
341 struct pnp_port * port;
342
343 if (io->range_length == 0)
344 return;
345 port = pnpacpi_kmalloc(sizeof(struct pnp_port), GFP_KERNEL);
346 if (!port)
347 return;
348 port->min = io->min_base_address;
349 port->max = io->max_base_address;
350 port->align = io->alignment;
351 port->size = io->range_length;
352 port->flags = ACPI_DECODE_16 == io->io_decode ?
353 PNP_PORT_FLAG_16BITADDR : 0;
354 pnp_register_port_resource(option,port);
355 return;
356}
357
358static void
359pnpacpi_parse_fixed_port_option(struct pnp_option *option,
360 struct acpi_resource_fixed_io *io)
361{
362 struct pnp_port * port;
363
364 if (io->range_length == 0)
365 return;
366 port = pnpacpi_kmalloc(sizeof(struct pnp_port), GFP_KERNEL);
367 if (!port)
368 return;
369 port->min = port->max = io->base_address;
370 port->size = io->range_length;
371 port->align = 0;
372 port->flags = PNP_PORT_FLAG_FIXED;
373 pnp_register_port_resource(option,port);
374 return;
375}
376
377static void
378pnpacpi_parse_mem24_option(struct pnp_option *option,
379 struct acpi_resource_mem24 *p)
380{
381 struct pnp_mem * mem;
382
383 if (p->range_length == 0)
384 return;
385 mem = pnpacpi_kmalloc(sizeof(struct pnp_mem), GFP_KERNEL);
386 if (!mem)
387 return;
388 mem->min = p->min_base_address;
389 mem->max = p->max_base_address;
390 mem->align = p->alignment;
391 mem->size = p->range_length;
392
393 mem->flags = (ACPI_READ_WRITE_MEMORY == p->read_write_attribute) ?
394 IORESOURCE_MEM_WRITEABLE : 0;
395
396 pnp_register_mem_resource(option,mem);
397 return;
398}
399
400static void
401pnpacpi_parse_mem32_option(struct pnp_option *option,
402 struct acpi_resource_mem32 *p)
403{
404 struct pnp_mem * mem;
405
406 if (p->range_length == 0)
407 return;
408 mem = pnpacpi_kmalloc(sizeof(struct pnp_mem), GFP_KERNEL);
409 if (!mem)
410 return;
411 mem->min = p->min_base_address;
412 mem->max = p->max_base_address;
413 mem->align = p->alignment;
414 mem->size = p->range_length;
415
416 mem->flags = (ACPI_READ_WRITE_MEMORY == p->read_write_attribute) ?
417 IORESOURCE_MEM_WRITEABLE : 0;
418
419 pnp_register_mem_resource(option,mem);
420 return;
421}
422
423static void
424pnpacpi_parse_fixed_mem32_option(struct pnp_option *option,
425 struct acpi_resource_fixed_mem32 *p)
426{
427 struct pnp_mem * mem;
428
429 if (p->range_length == 0)
430 return;
431 mem = pnpacpi_kmalloc(sizeof(struct pnp_mem), GFP_KERNEL);
432 if (!mem)
433 return;
434 mem->min = mem->max = p->range_base_address;
435 mem->size = p->range_length;
436 mem->align = 0;
437
438 mem->flags = (ACPI_READ_WRITE_MEMORY == p->read_write_attribute) ?
439 IORESOURCE_MEM_WRITEABLE : 0;
440
441 pnp_register_mem_resource(option,mem);
442 return;
443}
444
445struct acpipnp_parse_option_s {
446 struct pnp_option *option;
447 struct pnp_dev *dev;
448};
449
450static acpi_status pnpacpi_option_resource(struct acpi_resource *res,
451 void *data)
452{
453 int priority = 0;
454 struct acpipnp_parse_option_s *parse_data = (struct acpipnp_parse_option_s *)data;
455 struct pnp_dev *dev = parse_data->dev;
456 struct pnp_option *option = parse_data->option;
457
458 switch (res->id) {
459 case ACPI_RSTYPE_IRQ:
460 pnpacpi_parse_irq_option(option, &res->data.irq);
461 break;
462 case ACPI_RSTYPE_EXT_IRQ:
463 pnpacpi_parse_ext_irq_option(option,
464 &res->data.extended_irq);
465 break;
466 case ACPI_RSTYPE_DMA:
467 pnpacpi_parse_dma_option(option, &res->data.dma);
468 break;
469 case ACPI_RSTYPE_IO:
470 pnpacpi_parse_port_option(option, &res->data.io);
471 break;
472 case ACPI_RSTYPE_FIXED_IO:
473 pnpacpi_parse_fixed_port_option(option,
474 &res->data.fixed_io);
475 break;
476 case ACPI_RSTYPE_MEM24:
477 pnpacpi_parse_mem24_option(option, &res->data.memory24);
478 break;
479 case ACPI_RSTYPE_MEM32:
480 pnpacpi_parse_mem32_option(option, &res->data.memory32);
481 break;
482 case ACPI_RSTYPE_FIXED_MEM32:
483 pnpacpi_parse_fixed_mem32_option(option,
484 &res->data.fixed_memory32);
485 break;
486 case ACPI_RSTYPE_START_DPF:
487 switch (res->data.start_dpf.compatibility_priority) {
488 case ACPI_GOOD_CONFIGURATION:
489 priority = PNP_RES_PRIORITY_PREFERRED;
490 break;
491
492 case ACPI_ACCEPTABLE_CONFIGURATION:
493 priority = PNP_RES_PRIORITY_ACCEPTABLE;
494 break;
495
496 case ACPI_SUB_OPTIMAL_CONFIGURATION:
497 priority = PNP_RES_PRIORITY_FUNCTIONAL;
498 break;
499 default:
500 priority = PNP_RES_PRIORITY_INVALID;
501 break;
502 }
503 /* TBD: Considering performace/robustness bits */
504 option = pnp_register_dependent_option(dev, priority);
505 if (!option)
506 return AE_ERROR;
507 parse_data->option = option;
508 break;
509 case ACPI_RSTYPE_END_DPF:
510 return AE_CTRL_TERMINATE;
511 default:
512 pnp_warn("PnPACPI: unknown resource type %d", res->id);
513 return AE_ERROR;
514 }
515
516 return AE_OK;
517}
518
519acpi_status pnpacpi_parse_resource_option_data(acpi_handle handle,
520 struct pnp_dev *dev)
521{
522 acpi_status status;
523 struct acpipnp_parse_option_s parse_data;
524
525 parse_data.option = pnp_register_independent_option(dev);
526 if (!parse_data.option)
527 return AE_ERROR;
528 parse_data.dev = dev;
529 status = acpi_walk_resources(handle, METHOD_NAME__PRS,
530 pnpacpi_option_resource, &parse_data);
531
532 return status;
533}
534
535/*
536 * Set resource
537 */
538static acpi_status pnpacpi_count_resources(struct acpi_resource *res,
539 void *data)
540{
541 int *res_cnt = (int *)data;
542 switch (res->id) {
543 case ACPI_RSTYPE_IRQ:
544 case ACPI_RSTYPE_EXT_IRQ:
545 case ACPI_RSTYPE_DMA:
546 case ACPI_RSTYPE_IO:
547 case ACPI_RSTYPE_FIXED_IO:
548 case ACPI_RSTYPE_MEM24:
549 case ACPI_RSTYPE_MEM32:
550 case ACPI_RSTYPE_FIXED_MEM32:
551#if 0
552 case ACPI_RSTYPE_ADDRESS16:
553 case ACPI_RSTYPE_ADDRESS32:
554 case ACPI_RSTYPE_ADDRESS64:
555#endif
556 (*res_cnt) ++;
557 default:
558 return AE_OK;
559 }
560 return AE_OK;
561}
562
563static acpi_status pnpacpi_type_resources(struct acpi_resource *res,
564 void *data)
565{
566 struct acpi_resource **resource = (struct acpi_resource **)data;
567 switch (res->id) {
568 case ACPI_RSTYPE_IRQ:
569 case ACPI_RSTYPE_EXT_IRQ:
570 case ACPI_RSTYPE_DMA:
571 case ACPI_RSTYPE_IO:
572 case ACPI_RSTYPE_FIXED_IO:
573 case ACPI_RSTYPE_MEM24:
574 case ACPI_RSTYPE_MEM32:
575 case ACPI_RSTYPE_FIXED_MEM32:
576#if 0
577 case ACPI_RSTYPE_ADDRESS16:
578 case ACPI_RSTYPE_ADDRESS32:
579 case ACPI_RSTYPE_ADDRESS64:
580#endif
581 (*resource)->id = res->id;
582 (*resource)++;
583 default:
584 return AE_OK;
585 }
586
587 return AE_OK;
588}
589
590int pnpacpi_build_resource_template(acpi_handle handle,
591 struct acpi_buffer *buffer)
592{
593 struct acpi_resource *resource;
594 int res_cnt = 0;
595 acpi_status status;
596
597 status = acpi_walk_resources(handle, METHOD_NAME__CRS,
598 pnpacpi_count_resources, &res_cnt);
599 if (ACPI_FAILURE(status)) {
600 pnp_err("Evaluate _CRS failed");
601 return -EINVAL;
602 }
603 if (!res_cnt)
604 return -EINVAL;
605 buffer->length = sizeof(struct acpi_resource) * (res_cnt + 1) + 1;
606 buffer->pointer = pnpacpi_kmalloc(buffer->length - 1, GFP_KERNEL);
607 if (!buffer->pointer)
608 return -ENOMEM;
609 pnp_dbg("Res cnt %d", res_cnt);
610 resource = (struct acpi_resource *)buffer->pointer;
611 status = acpi_walk_resources(handle, METHOD_NAME__CRS,
612 pnpacpi_type_resources, &resource);
613 if (ACPI_FAILURE(status)) {
614 kfree(buffer->pointer);
615 pnp_err("Evaluate _CRS failed");
616 return -EINVAL;
617 }
618 /* resource will pointer the end resource now */
619 resource->id = ACPI_RSTYPE_END_TAG;
620
621 return 0;
622}
623
624static void pnpacpi_encode_irq(struct acpi_resource *resource,
625 struct resource *p)
626{
627 int edge_level, active_high_low;
628
629 decode_irq_flags(p->flags & IORESOURCE_BITS, &edge_level,
630 &active_high_low);
631 resource->id = ACPI_RSTYPE_IRQ;
632 resource->length = sizeof(struct acpi_resource);
633 resource->data.irq.edge_level = edge_level;
634 resource->data.irq.active_high_low = active_high_low;
635 if (edge_level == ACPI_EDGE_SENSITIVE)
636 resource->data.irq.shared_exclusive = ACPI_EXCLUSIVE;
637 else
638 resource->data.irq.shared_exclusive = ACPI_SHARED;
639 resource->data.irq.number_of_interrupts = 1;
640 resource->data.irq.interrupts[0] = p->start;
641}
642
643static void pnpacpi_encode_ext_irq(struct acpi_resource *resource,
644 struct resource *p)
645{
646 int edge_level, active_high_low;
647
648 decode_irq_flags(p->flags & IORESOURCE_BITS, &edge_level,
649 &active_high_low);
650 resource->id = ACPI_RSTYPE_EXT_IRQ;
651 resource->length = sizeof(struct acpi_resource);
652 resource->data.extended_irq.producer_consumer = ACPI_CONSUMER;
653 resource->data.extended_irq.edge_level = edge_level;
654 resource->data.extended_irq.active_high_low = active_high_low;
655 if (edge_level == ACPI_EDGE_SENSITIVE)
656 resource->data.irq.shared_exclusive = ACPI_EXCLUSIVE;
657 else
658 resource->data.irq.shared_exclusive = ACPI_SHARED;
659 resource->data.extended_irq.number_of_interrupts = 1;
660 resource->data.extended_irq.interrupts[0] = p->start;
661}
662
663static void pnpacpi_encode_dma(struct acpi_resource *resource,
664 struct resource *p)
665{
666 resource->id = ACPI_RSTYPE_DMA;
667 resource->length = sizeof(struct acpi_resource);
668 /* Note: pnp_assign_dma will copy pnp_dma->flags into p->flags */
669 if (p->flags & IORESOURCE_DMA_COMPATIBLE)
670 resource->data.dma.type = ACPI_COMPATIBILITY;
671 else if (p->flags & IORESOURCE_DMA_TYPEA)
672 resource->data.dma.type = ACPI_TYPE_A;
673 else if (p->flags & IORESOURCE_DMA_TYPEB)
674 resource->data.dma.type = ACPI_TYPE_B;
675 else if (p->flags & IORESOURCE_DMA_TYPEF)
676 resource->data.dma.type = ACPI_TYPE_F;
677 if (p->flags & IORESOURCE_DMA_8BIT)
678 resource->data.dma.transfer = ACPI_TRANSFER_8;
679 else if (p->flags & IORESOURCE_DMA_8AND16BIT)
680 resource->data.dma.transfer = ACPI_TRANSFER_8_16;
681 else if (p->flags & IORESOURCE_DMA_16BIT)
682 resource->data.dma.transfer = ACPI_TRANSFER_16;
683 resource->data.dma.bus_master = p->flags & IORESOURCE_DMA_MASTER;
684 resource->data.dma.number_of_channels = 1;
685 resource->data.dma.channels[0] = p->start;
686}
687
688static void pnpacpi_encode_io(struct acpi_resource *resource,
689 struct resource *p)
690{
691 resource->id = ACPI_RSTYPE_IO;
692 resource->length = sizeof(struct acpi_resource);
693 /* Note: pnp_assign_port will copy pnp_port->flags into p->flags */
694 resource->data.io.io_decode = (p->flags & PNP_PORT_FLAG_16BITADDR)?
695 ACPI_DECODE_16 : ACPI_DECODE_10;
696 resource->data.io.min_base_address = p->start;
697 resource->data.io.max_base_address = p->end;
698 resource->data.io.alignment = 0; /* Correct? */
699 resource->data.io.range_length = p->end - p->start + 1;
700}
701
702static void pnpacpi_encode_fixed_io(struct acpi_resource *resource,
703 struct resource *p)
704{
705 resource->id = ACPI_RSTYPE_FIXED_IO;
706 resource->length = sizeof(struct acpi_resource);
707 resource->data.fixed_io.base_address = p->start;
708 resource->data.fixed_io.range_length = p->end - p->start + 1;
709}
710
711static void pnpacpi_encode_mem24(struct acpi_resource *resource,
712 struct resource *p)
713{
714 resource->id = ACPI_RSTYPE_MEM24;
715 resource->length = sizeof(struct acpi_resource);
716 /* Note: pnp_assign_mem will copy pnp_mem->flags into p->flags */
717 resource->data.memory24.read_write_attribute =
718 (p->flags & IORESOURCE_MEM_WRITEABLE) ?
719 ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
720 resource->data.memory24.min_base_address = p->start;
721 resource->data.memory24.max_base_address = p->end;
722 resource->data.memory24.alignment = 0;
723 resource->data.memory24.range_length = p->end - p->start + 1;
724}
725
726static void pnpacpi_encode_mem32(struct acpi_resource *resource,
727 struct resource *p)
728{
729 resource->id = ACPI_RSTYPE_MEM32;
730 resource->length = sizeof(struct acpi_resource);
731 resource->data.memory32.read_write_attribute =
732 (p->flags & IORESOURCE_MEM_WRITEABLE) ?
733 ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
734 resource->data.memory32.min_base_address = p->start;
735 resource->data.memory32.max_base_address = p->end;
736 resource->data.memory32.alignment = 0;
737 resource->data.memory32.range_length = p->end - p->start + 1;
738}
739
740static void pnpacpi_encode_fixed_mem32(struct acpi_resource *resource,
741 struct resource *p)
742{
743 resource->id = ACPI_RSTYPE_FIXED_MEM32;
744 resource->length = sizeof(struct acpi_resource);
745 resource->data.fixed_memory32.read_write_attribute =
746 (p->flags & IORESOURCE_MEM_WRITEABLE) ?
747 ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
748 resource->data.fixed_memory32.range_base_address = p->start;
749 resource->data.fixed_memory32.range_length = p->end - p->start + 1;
750}
751
752int pnpacpi_encode_resources(struct pnp_resource_table *res_table,
753 struct acpi_buffer *buffer)
754{
755 int i = 0;
756 /* pnpacpi_build_resource_template allocates extra mem */
757 int res_cnt = (buffer->length - 1)/sizeof(struct acpi_resource) - 1;
758 struct acpi_resource *resource = (struct acpi_resource*)buffer->pointer;
759 int port = 0, irq = 0, dma = 0, mem = 0;
760
761 pnp_dbg("res cnt %d", res_cnt);
762 while (i < res_cnt) {
763 switch(resource->id) {
764 case ACPI_RSTYPE_IRQ:
765 pnp_dbg("Encode irq");
766 pnpacpi_encode_irq(resource,
767 &res_table->irq_resource[irq]);
768 irq++;
769 break;
770
771 case ACPI_RSTYPE_EXT_IRQ:
772 pnp_dbg("Encode ext irq");
773 pnpacpi_encode_ext_irq(resource,
774 &res_table->irq_resource[irq]);
775 irq++;
776 break;
777 case ACPI_RSTYPE_DMA:
778 pnp_dbg("Encode dma");
779 pnpacpi_encode_dma(resource,
780 &res_table->dma_resource[dma]);
781 dma ++;
782 break;
783 case ACPI_RSTYPE_IO:
784 pnp_dbg("Encode io");
785 pnpacpi_encode_io(resource,
786 &res_table->port_resource[port]);
787 port ++;
788 break;
789 case ACPI_RSTYPE_FIXED_IO:
790 pnp_dbg("Encode fixed io");
791 pnpacpi_encode_fixed_io(resource,
792 &res_table->port_resource[port]);
793 port ++;
794 break;
795 case ACPI_RSTYPE_MEM24:
796 pnp_dbg("Encode mem24");
797 pnpacpi_encode_mem24(resource,
798 &res_table->mem_resource[mem]);
799 mem ++;
800 break;
801 case ACPI_RSTYPE_MEM32:
802 pnp_dbg("Encode mem32");
803 pnpacpi_encode_mem32(resource,
804 &res_table->mem_resource[mem]);
805 mem ++;
806 break;
807 case ACPI_RSTYPE_FIXED_MEM32:
808 pnp_dbg("Encode fixed mem32");
809 pnpacpi_encode_fixed_mem32(resource,
810 &res_table->mem_resource[mem]);
811 mem ++;
812 break;
813 default: /* other type */
814 pnp_warn("unknown resource type %d", resource->id);
815 return -EINVAL;
816 }
817 resource ++;
818 i ++;
819 }
820 return 0;
821}
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-05 04:15:17 -0500