blob: 1e296cbef00497b16816a6f19435666cebc60005 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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
Kenji Kaneshige71df30f2005-07-28 14:42:00 -040084 if (irq < 0) {
Linus Torvalds1da177e2005-04-16 15:20:36 -070085 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;
Adrian Bunk0dec63b2005-05-01 08:59:30 -070097 while (i < PNP_MAX_DMA &&
98 !(res->dma_resource[i].flags & IORESOURCE_UNSET))
Linus Torvalds1da177e2005-04-16 15:20:36 -070099 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));
David Shaohua Lic9c3e452005-04-01 00:07:31 -0500163 pcibios_penalize_isa_irq(res->data.irq.interrupts[0], 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700164 }
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));
David Shaohua Lic9c3e452005-04-01 00:07:31 -0500174 pcibios_penalize_isa_irq(res->data.extended_irq.interrupts[0], 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700175 }
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;
Matthieu Castetb008b8d2005-03-25 12:03:15 -0500447 struct pnp_option *option_independent;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700448 struct pnp_dev *dev;
449};
450
451static acpi_status pnpacpi_option_resource(struct acpi_resource *res,
452 void *data)
453{
454 int priority = 0;
455 struct acpipnp_parse_option_s *parse_data = (struct acpipnp_parse_option_s *)data;
456 struct pnp_dev *dev = parse_data->dev;
457 struct pnp_option *option = parse_data->option;
458
459 switch (res->id) {
460 case ACPI_RSTYPE_IRQ:
461 pnpacpi_parse_irq_option(option, &res->data.irq);
462 break;
463 case ACPI_RSTYPE_EXT_IRQ:
464 pnpacpi_parse_ext_irq_option(option,
465 &res->data.extended_irq);
466 break;
467 case ACPI_RSTYPE_DMA:
468 pnpacpi_parse_dma_option(option, &res->data.dma);
469 break;
470 case ACPI_RSTYPE_IO:
471 pnpacpi_parse_port_option(option, &res->data.io);
472 break;
473 case ACPI_RSTYPE_FIXED_IO:
474 pnpacpi_parse_fixed_port_option(option,
475 &res->data.fixed_io);
476 break;
477 case ACPI_RSTYPE_MEM24:
478 pnpacpi_parse_mem24_option(option, &res->data.memory24);
479 break;
480 case ACPI_RSTYPE_MEM32:
481 pnpacpi_parse_mem32_option(option, &res->data.memory32);
482 break;
483 case ACPI_RSTYPE_FIXED_MEM32:
484 pnpacpi_parse_fixed_mem32_option(option,
485 &res->data.fixed_memory32);
486 break;
487 case ACPI_RSTYPE_START_DPF:
488 switch (res->data.start_dpf.compatibility_priority) {
489 case ACPI_GOOD_CONFIGURATION:
490 priority = PNP_RES_PRIORITY_PREFERRED;
491 break;
492
493 case ACPI_ACCEPTABLE_CONFIGURATION:
494 priority = PNP_RES_PRIORITY_ACCEPTABLE;
495 break;
496
497 case ACPI_SUB_OPTIMAL_CONFIGURATION:
498 priority = PNP_RES_PRIORITY_FUNCTIONAL;
499 break;
500 default:
501 priority = PNP_RES_PRIORITY_INVALID;
502 break;
503 }
504 /* TBD: Considering performace/robustness bits */
505 option = pnp_register_dependent_option(dev, priority);
506 if (!option)
507 return AE_ERROR;
508 parse_data->option = option;
509 break;
510 case ACPI_RSTYPE_END_DPF:
Matthieu Castetb008b8d2005-03-25 12:03:15 -0500511 /*only one EndDependentFn is allowed*/
512 if (!parse_data->option_independent) {
513 pnp_warn("PnPACPI: more than one EndDependentFn");
514 return AE_ERROR;
515 }
516 parse_data->option = parse_data->option_independent;
517 parse_data->option_independent = NULL;
518 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700519 default:
520 pnp_warn("PnPACPI: unknown resource type %d", res->id);
521 return AE_ERROR;
522 }
523
524 return AE_OK;
525}
526
527acpi_status pnpacpi_parse_resource_option_data(acpi_handle handle,
528 struct pnp_dev *dev)
529{
530 acpi_status status;
531 struct acpipnp_parse_option_s parse_data;
532
533 parse_data.option = pnp_register_independent_option(dev);
534 if (!parse_data.option)
535 return AE_ERROR;
Matthieu Castetb008b8d2005-03-25 12:03:15 -0500536 parse_data.option_independent = parse_data.option;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700537 parse_data.dev = dev;
538 status = acpi_walk_resources(handle, METHOD_NAME__PRS,
539 pnpacpi_option_resource, &parse_data);
540
541 return status;
542}
543
544/*
545 * Set resource
546 */
547static acpi_status pnpacpi_count_resources(struct acpi_resource *res,
548 void *data)
549{
550 int *res_cnt = (int *)data;
551 switch (res->id) {
552 case ACPI_RSTYPE_IRQ:
553 case ACPI_RSTYPE_EXT_IRQ:
554 case ACPI_RSTYPE_DMA:
555 case ACPI_RSTYPE_IO:
556 case ACPI_RSTYPE_FIXED_IO:
557 case ACPI_RSTYPE_MEM24:
558 case ACPI_RSTYPE_MEM32:
559 case ACPI_RSTYPE_FIXED_MEM32:
560#if 0
561 case ACPI_RSTYPE_ADDRESS16:
562 case ACPI_RSTYPE_ADDRESS32:
563 case ACPI_RSTYPE_ADDRESS64:
564#endif
565 (*res_cnt) ++;
566 default:
567 return AE_OK;
568 }
569 return AE_OK;
570}
571
572static acpi_status pnpacpi_type_resources(struct acpi_resource *res,
573 void *data)
574{
575 struct acpi_resource **resource = (struct acpi_resource **)data;
576 switch (res->id) {
577 case ACPI_RSTYPE_IRQ:
578 case ACPI_RSTYPE_EXT_IRQ:
579 case ACPI_RSTYPE_DMA:
580 case ACPI_RSTYPE_IO:
581 case ACPI_RSTYPE_FIXED_IO:
582 case ACPI_RSTYPE_MEM24:
583 case ACPI_RSTYPE_MEM32:
584 case ACPI_RSTYPE_FIXED_MEM32:
585#if 0
586 case ACPI_RSTYPE_ADDRESS16:
587 case ACPI_RSTYPE_ADDRESS32:
588 case ACPI_RSTYPE_ADDRESS64:
589#endif
590 (*resource)->id = res->id;
591 (*resource)++;
592 default:
593 return AE_OK;
594 }
595
596 return AE_OK;
597}
598
599int pnpacpi_build_resource_template(acpi_handle handle,
600 struct acpi_buffer *buffer)
601{
602 struct acpi_resource *resource;
603 int res_cnt = 0;
604 acpi_status status;
605
606 status = acpi_walk_resources(handle, METHOD_NAME__CRS,
607 pnpacpi_count_resources, &res_cnt);
608 if (ACPI_FAILURE(status)) {
609 pnp_err("Evaluate _CRS failed");
610 return -EINVAL;
611 }
612 if (!res_cnt)
613 return -EINVAL;
614 buffer->length = sizeof(struct acpi_resource) * (res_cnt + 1) + 1;
615 buffer->pointer = pnpacpi_kmalloc(buffer->length - 1, GFP_KERNEL);
616 if (!buffer->pointer)
617 return -ENOMEM;
618 pnp_dbg("Res cnt %d", res_cnt);
619 resource = (struct acpi_resource *)buffer->pointer;
620 status = acpi_walk_resources(handle, METHOD_NAME__CRS,
621 pnpacpi_type_resources, &resource);
622 if (ACPI_FAILURE(status)) {
623 kfree(buffer->pointer);
624 pnp_err("Evaluate _CRS failed");
625 return -EINVAL;
626 }
627 /* resource will pointer the end resource now */
628 resource->id = ACPI_RSTYPE_END_TAG;
629
630 return 0;
631}
632
633static void pnpacpi_encode_irq(struct acpi_resource *resource,
634 struct resource *p)
635{
636 int edge_level, active_high_low;
637
638 decode_irq_flags(p->flags & IORESOURCE_BITS, &edge_level,
639 &active_high_low);
640 resource->id = ACPI_RSTYPE_IRQ;
641 resource->length = sizeof(struct acpi_resource);
642 resource->data.irq.edge_level = edge_level;
643 resource->data.irq.active_high_low = active_high_low;
644 if (edge_level == ACPI_EDGE_SENSITIVE)
645 resource->data.irq.shared_exclusive = ACPI_EXCLUSIVE;
646 else
647 resource->data.irq.shared_exclusive = ACPI_SHARED;
648 resource->data.irq.number_of_interrupts = 1;
649 resource->data.irq.interrupts[0] = p->start;
650}
651
652static void pnpacpi_encode_ext_irq(struct acpi_resource *resource,
653 struct resource *p)
654{
655 int edge_level, active_high_low;
656
657 decode_irq_flags(p->flags & IORESOURCE_BITS, &edge_level,
658 &active_high_low);
659 resource->id = ACPI_RSTYPE_EXT_IRQ;
660 resource->length = sizeof(struct acpi_resource);
661 resource->data.extended_irq.producer_consumer = ACPI_CONSUMER;
662 resource->data.extended_irq.edge_level = edge_level;
663 resource->data.extended_irq.active_high_low = active_high_low;
664 if (edge_level == ACPI_EDGE_SENSITIVE)
665 resource->data.irq.shared_exclusive = ACPI_EXCLUSIVE;
666 else
667 resource->data.irq.shared_exclusive = ACPI_SHARED;
668 resource->data.extended_irq.number_of_interrupts = 1;
669 resource->data.extended_irq.interrupts[0] = p->start;
670}
671
672static void pnpacpi_encode_dma(struct acpi_resource *resource,
673 struct resource *p)
674{
675 resource->id = ACPI_RSTYPE_DMA;
676 resource->length = sizeof(struct acpi_resource);
677 /* Note: pnp_assign_dma will copy pnp_dma->flags into p->flags */
678 if (p->flags & IORESOURCE_DMA_COMPATIBLE)
679 resource->data.dma.type = ACPI_COMPATIBILITY;
680 else if (p->flags & IORESOURCE_DMA_TYPEA)
681 resource->data.dma.type = ACPI_TYPE_A;
682 else if (p->flags & IORESOURCE_DMA_TYPEB)
683 resource->data.dma.type = ACPI_TYPE_B;
684 else if (p->flags & IORESOURCE_DMA_TYPEF)
685 resource->data.dma.type = ACPI_TYPE_F;
686 if (p->flags & IORESOURCE_DMA_8BIT)
687 resource->data.dma.transfer = ACPI_TRANSFER_8;
688 else if (p->flags & IORESOURCE_DMA_8AND16BIT)
689 resource->data.dma.transfer = ACPI_TRANSFER_8_16;
690 else if (p->flags & IORESOURCE_DMA_16BIT)
691 resource->data.dma.transfer = ACPI_TRANSFER_16;
692 resource->data.dma.bus_master = p->flags & IORESOURCE_DMA_MASTER;
693 resource->data.dma.number_of_channels = 1;
694 resource->data.dma.channels[0] = p->start;
695}
696
697static void pnpacpi_encode_io(struct acpi_resource *resource,
698 struct resource *p)
699{
700 resource->id = ACPI_RSTYPE_IO;
701 resource->length = sizeof(struct acpi_resource);
702 /* Note: pnp_assign_port will copy pnp_port->flags into p->flags */
703 resource->data.io.io_decode = (p->flags & PNP_PORT_FLAG_16BITADDR)?
704 ACPI_DECODE_16 : ACPI_DECODE_10;
705 resource->data.io.min_base_address = p->start;
706 resource->data.io.max_base_address = p->end;
707 resource->data.io.alignment = 0; /* Correct? */
708 resource->data.io.range_length = p->end - p->start + 1;
709}
710
711static void pnpacpi_encode_fixed_io(struct acpi_resource *resource,
712 struct resource *p)
713{
714 resource->id = ACPI_RSTYPE_FIXED_IO;
715 resource->length = sizeof(struct acpi_resource);
716 resource->data.fixed_io.base_address = p->start;
717 resource->data.fixed_io.range_length = p->end - p->start + 1;
718}
719
720static void pnpacpi_encode_mem24(struct acpi_resource *resource,
721 struct resource *p)
722{
723 resource->id = ACPI_RSTYPE_MEM24;
724 resource->length = sizeof(struct acpi_resource);
725 /* Note: pnp_assign_mem will copy pnp_mem->flags into p->flags */
726 resource->data.memory24.read_write_attribute =
727 (p->flags & IORESOURCE_MEM_WRITEABLE) ?
728 ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
729 resource->data.memory24.min_base_address = p->start;
730 resource->data.memory24.max_base_address = p->end;
731 resource->data.memory24.alignment = 0;
732 resource->data.memory24.range_length = p->end - p->start + 1;
733}
734
735static void pnpacpi_encode_mem32(struct acpi_resource *resource,
736 struct resource *p)
737{
738 resource->id = ACPI_RSTYPE_MEM32;
739 resource->length = sizeof(struct acpi_resource);
740 resource->data.memory32.read_write_attribute =
741 (p->flags & IORESOURCE_MEM_WRITEABLE) ?
742 ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
743 resource->data.memory32.min_base_address = p->start;
744 resource->data.memory32.max_base_address = p->end;
745 resource->data.memory32.alignment = 0;
746 resource->data.memory32.range_length = p->end - p->start + 1;
747}
748
749static void pnpacpi_encode_fixed_mem32(struct acpi_resource *resource,
750 struct resource *p)
751{
752 resource->id = ACPI_RSTYPE_FIXED_MEM32;
753 resource->length = sizeof(struct acpi_resource);
754 resource->data.fixed_memory32.read_write_attribute =
755 (p->flags & IORESOURCE_MEM_WRITEABLE) ?
756 ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
757 resource->data.fixed_memory32.range_base_address = p->start;
758 resource->data.fixed_memory32.range_length = p->end - p->start + 1;
759}
760
761int pnpacpi_encode_resources(struct pnp_resource_table *res_table,
762 struct acpi_buffer *buffer)
763{
764 int i = 0;
765 /* pnpacpi_build_resource_template allocates extra mem */
766 int res_cnt = (buffer->length - 1)/sizeof(struct acpi_resource) - 1;
767 struct acpi_resource *resource = (struct acpi_resource*)buffer->pointer;
768 int port = 0, irq = 0, dma = 0, mem = 0;
769
770 pnp_dbg("res cnt %d", res_cnt);
771 while (i < res_cnt) {
772 switch(resource->id) {
773 case ACPI_RSTYPE_IRQ:
774 pnp_dbg("Encode irq");
775 pnpacpi_encode_irq(resource,
776 &res_table->irq_resource[irq]);
777 irq++;
778 break;
779
780 case ACPI_RSTYPE_EXT_IRQ:
781 pnp_dbg("Encode ext irq");
782 pnpacpi_encode_ext_irq(resource,
783 &res_table->irq_resource[irq]);
784 irq++;
785 break;
786 case ACPI_RSTYPE_DMA:
787 pnp_dbg("Encode dma");
788 pnpacpi_encode_dma(resource,
789 &res_table->dma_resource[dma]);
790 dma ++;
791 break;
792 case ACPI_RSTYPE_IO:
793 pnp_dbg("Encode io");
794 pnpacpi_encode_io(resource,
795 &res_table->port_resource[port]);
796 port ++;
797 break;
798 case ACPI_RSTYPE_FIXED_IO:
799 pnp_dbg("Encode fixed io");
800 pnpacpi_encode_fixed_io(resource,
801 &res_table->port_resource[port]);
802 port ++;
803 break;
804 case ACPI_RSTYPE_MEM24:
805 pnp_dbg("Encode mem24");
806 pnpacpi_encode_mem24(resource,
807 &res_table->mem_resource[mem]);
808 mem ++;
809 break;
810 case ACPI_RSTYPE_MEM32:
811 pnp_dbg("Encode mem32");
812 pnpacpi_encode_mem32(resource,
813 &res_table->mem_resource[mem]);
814 mem ++;
815 break;
816 case ACPI_RSTYPE_FIXED_MEM32:
817 pnp_dbg("Encode fixed mem32");
818 pnpacpi_encode_fixed_mem32(resource,
819 &res_table->mem_resource[mem]);
820 mem ++;
821 break;
822 default: /* other type */
823 pnp_warn("unknown resource type %d", resource->id);
824 return -EINVAL;
825 }
826 resource ++;
827 i ++;
828 }
829 return 0;
830}