2 * pnpacpi -- PnP ACPI driver
4 * Copyright (c) 2004 Matthieu Castet <castet.matthieu@free.fr>
5 * Copyright (c) 2004 Li Shaohua <shaohua.li@intel.com>
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
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.
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
21 #include <linux/kernel.h>
22 #include <linux/acpi.h>
23 #include <linux/pci.h>
24 #include <linux/pnp.h>
29 #define valid_IRQ(i) (1)
31 #define valid_IRQ(i) (((i) != 0) && ((i) != 2))
37 static int irq_flags(int triggering
, int polarity
, int shareable
)
41 if (triggering
== ACPI_LEVEL_SENSITIVE
) {
42 if (polarity
== ACPI_ACTIVE_LOW
)
43 flags
= IORESOURCE_IRQ_LOWLEVEL
;
45 flags
= IORESOURCE_IRQ_HIGHLEVEL
;
47 if (polarity
== ACPI_ACTIVE_LOW
)
48 flags
= IORESOURCE_IRQ_LOWEDGE
;
50 flags
= IORESOURCE_IRQ_HIGHEDGE
;
54 flags
|= IORESOURCE_IRQ_SHAREABLE
;
59 static void decode_irq_flags(int flag
, int *triggering
, int *polarity
)
62 case IORESOURCE_IRQ_LOWLEVEL
:
63 *triggering
= ACPI_LEVEL_SENSITIVE
;
64 *polarity
= ACPI_ACTIVE_LOW
;
66 case IORESOURCE_IRQ_HIGHLEVEL
:
67 *triggering
= ACPI_LEVEL_SENSITIVE
;
68 *polarity
= ACPI_ACTIVE_HIGH
;
70 case IORESOURCE_IRQ_LOWEDGE
:
71 *triggering
= ACPI_EDGE_SENSITIVE
;
72 *polarity
= ACPI_ACTIVE_LOW
;
74 case IORESOURCE_IRQ_HIGHEDGE
:
75 *triggering
= ACPI_EDGE_SENSITIVE
;
76 *polarity
= ACPI_ACTIVE_HIGH
;
81 static void pnpacpi_parse_allocated_irqresource(struct pnp_dev
*dev
,
82 u32 gsi
, int triggering
,
83 int polarity
, int shareable
)
92 * in IO-APIC mode, use overrided attribute. Two reasons:
94 * 2. BIOS uses IO-APIC mode Interrupt Source Override
96 if (!acpi_get_override_irq(gsi
, &t
, &p
)) {
97 t
= t
? ACPI_LEVEL_SENSITIVE
: ACPI_EDGE_SENSITIVE
;
98 p
= p
? ACPI_ACTIVE_LOW
: ACPI_ACTIVE_HIGH
;
100 if (triggering
!= t
|| polarity
!= p
) {
101 dev_warn(&dev
->dev
, "IRQ %d override to %s, %s\n",
102 gsi
, t
? "edge":"level", p
? "low":"high");
108 flags
= irq_flags(triggering
, polarity
, shareable
);
109 irq
= acpi_register_gsi(gsi
, triggering
, polarity
);
111 pcibios_penalize_isa_irq(irq
, 1);
113 flags
|= IORESOURCE_DISABLED
;
115 pnp_add_irq_resource(dev
, irq
, flags
);
118 static int dma_flags(int type
, int bus_master
, int transfer
)
123 flags
|= IORESOURCE_DMA_MASTER
;
125 case ACPI_COMPATIBILITY
:
126 flags
|= IORESOURCE_DMA_COMPATIBLE
;
129 flags
|= IORESOURCE_DMA_TYPEA
;
132 flags
|= IORESOURCE_DMA_TYPEB
;
135 flags
|= IORESOURCE_DMA_TYPEF
;
138 /* Set a default value ? */
139 flags
|= IORESOURCE_DMA_COMPATIBLE
;
140 pnp_err("Invalid DMA type");
143 case ACPI_TRANSFER_8
:
144 flags
|= IORESOURCE_DMA_8BIT
;
146 case ACPI_TRANSFER_8_16
:
147 flags
|= IORESOURCE_DMA_8AND16BIT
;
149 case ACPI_TRANSFER_16
:
150 flags
|= IORESOURCE_DMA_16BIT
;
153 /* Set a default value ? */
154 flags
|= IORESOURCE_DMA_8AND16BIT
;
155 pnp_err("Invalid DMA transfer type");
161 static void pnpacpi_parse_allocated_ioresource(struct pnp_dev
*dev
, u64 start
,
162 u64 len
, int io_decode
)
165 u64 end
= start
+ len
- 1;
167 if (io_decode
== ACPI_DECODE_16
)
168 flags
|= PNP_PORT_FLAG_16BITADDR
;
169 if (len
== 0 || end
>= 0x10003)
170 flags
|= IORESOURCE_DISABLED
;
172 pnp_add_io_resource(dev
, start
, end
, flags
);
175 static void pnpacpi_parse_allocated_memresource(struct pnp_dev
*dev
,
180 u64 end
= start
+ len
- 1;
183 flags
|= IORESOURCE_DISABLED
;
184 if (write_protect
== ACPI_READ_WRITE_MEMORY
)
185 flags
|= IORESOURCE_MEM_WRITEABLE
;
187 pnp_add_mem_resource(dev
, start
, end
, flags
);
190 static void pnpacpi_parse_allocated_address_space(struct pnp_dev
*dev
,
191 struct acpi_resource
*res
)
193 struct acpi_resource_address64 addr
, *p
= &addr
;
196 status
= acpi_resource_to_address64(res
, p
);
197 if (!ACPI_SUCCESS(status
)) {
198 dev_warn(&dev
->dev
, "failed to convert resource type %d\n",
203 if (p
->producer_consumer
== ACPI_PRODUCER
)
206 if (p
->resource_type
== ACPI_MEMORY_RANGE
)
207 pnpacpi_parse_allocated_memresource(dev
,
208 p
->minimum
, p
->address_length
,
209 p
->info
.mem
.write_protect
);
210 else if (p
->resource_type
== ACPI_IO_RANGE
)
211 pnpacpi_parse_allocated_ioresource(dev
,
212 p
->minimum
, p
->address_length
,
213 p
->granularity
== 0xfff ? ACPI_DECODE_10
:
217 static acpi_status
pnpacpi_allocated_resource(struct acpi_resource
*res
,
220 struct pnp_dev
*dev
= data
;
221 struct acpi_resource_irq
*irq
;
222 struct acpi_resource_dma
*dma
;
223 struct acpi_resource_io
*io
;
224 struct acpi_resource_fixed_io
*fixed_io
;
225 struct acpi_resource_memory24
*memory24
;
226 struct acpi_resource_memory32
*memory32
;
227 struct acpi_resource_fixed_memory32
*fixed_memory32
;
228 struct acpi_resource_extended_irq
*extended_irq
;
232 case ACPI_RESOURCE_TYPE_IRQ
:
234 * Per spec, only one interrupt per descriptor is allowed in
235 * _CRS, but some firmware violates this, so parse them all.
237 irq
= &res
->data
.irq
;
238 for (i
= 0; i
< irq
->interrupt_count
; i
++) {
239 pnpacpi_parse_allocated_irqresource(dev
,
247 case ACPI_RESOURCE_TYPE_DMA
:
248 dma
= &res
->data
.dma
;
249 if (dma
->channel_count
> 0) {
250 flags
= dma_flags(dma
->type
, dma
->bus_master
,
252 if (dma
->channels
[0] == (u8
) -1)
253 flags
|= IORESOURCE_DISABLED
;
254 pnp_add_dma_resource(dev
, dma
->channels
[0], flags
);
258 case ACPI_RESOURCE_TYPE_IO
:
260 pnpacpi_parse_allocated_ioresource(dev
,
266 case ACPI_RESOURCE_TYPE_START_DEPENDENT
:
267 case ACPI_RESOURCE_TYPE_END_DEPENDENT
:
270 case ACPI_RESOURCE_TYPE_FIXED_IO
:
271 fixed_io
= &res
->data
.fixed_io
;
272 pnpacpi_parse_allocated_ioresource(dev
,
274 fixed_io
->address_length
,
278 case ACPI_RESOURCE_TYPE_VENDOR
:
281 case ACPI_RESOURCE_TYPE_END_TAG
:
284 case ACPI_RESOURCE_TYPE_MEMORY24
:
285 memory24
= &res
->data
.memory24
;
286 pnpacpi_parse_allocated_memresource(dev
,
288 memory24
->address_length
,
289 memory24
->write_protect
);
291 case ACPI_RESOURCE_TYPE_MEMORY32
:
292 memory32
= &res
->data
.memory32
;
293 pnpacpi_parse_allocated_memresource(dev
,
295 memory32
->address_length
,
296 memory32
->write_protect
);
298 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32
:
299 fixed_memory32
= &res
->data
.fixed_memory32
;
300 pnpacpi_parse_allocated_memresource(dev
,
301 fixed_memory32
->address
,
302 fixed_memory32
->address_length
,
303 fixed_memory32
->write_protect
);
305 case ACPI_RESOURCE_TYPE_ADDRESS16
:
306 case ACPI_RESOURCE_TYPE_ADDRESS32
:
307 case ACPI_RESOURCE_TYPE_ADDRESS64
:
308 pnpacpi_parse_allocated_address_space(dev
, res
);
311 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64
:
312 if (res
->data
.ext_address64
.producer_consumer
== ACPI_PRODUCER
)
316 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ
:
317 extended_irq
= &res
->data
.extended_irq
;
318 if (extended_irq
->producer_consumer
== ACPI_PRODUCER
)
321 for (i
= 0; i
< extended_irq
->interrupt_count
; i
++) {
322 pnpacpi_parse_allocated_irqresource(dev
,
323 extended_irq
->interrupts
[i
],
324 extended_irq
->triggering
,
325 extended_irq
->polarity
,
326 extended_irq
->sharable
);
330 case ACPI_RESOURCE_TYPE_GENERIC_REGISTER
:
334 dev_warn(&dev
->dev
, "unknown resource type %d in _CRS\n",
342 int pnpacpi_parse_allocated_resource(struct pnp_dev
*dev
)
344 acpi_handle handle
= dev
->data
;
347 dev_dbg(&dev
->dev
, "parse allocated resources\n");
349 pnp_init_resources(dev
);
351 status
= acpi_walk_resources(handle
, METHOD_NAME__CRS
,
352 pnpacpi_allocated_resource
, dev
);
354 if (ACPI_FAILURE(status
)) {
355 if (status
!= AE_NOT_FOUND
)
356 dev_err(&dev
->dev
, "can't evaluate _CRS: %d", status
);
362 static __init
void pnpacpi_parse_dma_option(struct pnp_dev
*dev
,
363 struct pnp_option
*option
,
364 struct acpi_resource_dma
*p
)
369 if (p
->channel_count
== 0)
371 dma
= kzalloc(sizeof(struct pnp_dma
), GFP_KERNEL
);
375 for (i
= 0; i
< p
->channel_count
; i
++)
376 dma
->map
|= 1 << p
->channels
[i
];
378 dma
->flags
= dma_flags(p
->type
, p
->bus_master
, p
->transfer
);
380 pnp_register_dma_resource(dev
, option
, dma
);
383 static __init
void pnpacpi_parse_irq_option(struct pnp_dev
*dev
,
384 struct pnp_option
*option
,
385 struct acpi_resource_irq
*p
)
390 if (p
->interrupt_count
== 0)
392 irq
= kzalloc(sizeof(struct pnp_irq
), GFP_KERNEL
);
396 for (i
= 0; i
< p
->interrupt_count
; i
++)
397 if (p
->interrupts
[i
])
398 __set_bit(p
->interrupts
[i
], irq
->map
);
399 irq
->flags
= irq_flags(p
->triggering
, p
->polarity
, p
->sharable
);
401 pnp_register_irq_resource(dev
, option
, irq
);
404 static __init
void pnpacpi_parse_ext_irq_option(struct pnp_dev
*dev
,
405 struct pnp_option
*option
,
406 struct acpi_resource_extended_irq
*p
)
411 if (p
->interrupt_count
== 0)
413 irq
= kzalloc(sizeof(struct pnp_irq
), GFP_KERNEL
);
417 for (i
= 0; i
< p
->interrupt_count
; i
++)
418 if (p
->interrupts
[i
])
419 __set_bit(p
->interrupts
[i
], irq
->map
);
420 irq
->flags
= irq_flags(p
->triggering
, p
->polarity
, p
->sharable
);
422 pnp_register_irq_resource(dev
, option
, irq
);
425 static __init
void pnpacpi_parse_port_option(struct pnp_dev
*dev
,
426 struct pnp_option
*option
,
427 struct acpi_resource_io
*io
)
429 struct pnp_port
*port
;
431 if (io
->address_length
== 0)
433 port
= kzalloc(sizeof(struct pnp_port
), GFP_KERNEL
);
436 port
->min
= io
->minimum
;
437 port
->max
= io
->maximum
;
438 port
->align
= io
->alignment
;
439 port
->size
= io
->address_length
;
440 port
->flags
= ACPI_DECODE_16
== io
->io_decode
?
441 PNP_PORT_FLAG_16BITADDR
: 0;
442 pnp_register_port_resource(dev
, option
, port
);
445 static __init
void pnpacpi_parse_fixed_port_option(struct pnp_dev
*dev
,
446 struct pnp_option
*option
,
447 struct acpi_resource_fixed_io
*io
)
449 struct pnp_port
*port
;
451 if (io
->address_length
== 0)
453 port
= kzalloc(sizeof(struct pnp_port
), GFP_KERNEL
);
456 port
->min
= port
->max
= io
->address
;
457 port
->size
= io
->address_length
;
459 port
->flags
= PNP_PORT_FLAG_FIXED
;
460 pnp_register_port_resource(dev
, option
, port
);
463 static __init
void pnpacpi_parse_mem24_option(struct pnp_dev
*dev
,
464 struct pnp_option
*option
,
465 struct acpi_resource_memory24
*p
)
469 if (p
->address_length
== 0)
471 mem
= kzalloc(sizeof(struct pnp_mem
), GFP_KERNEL
);
474 mem
->min
= p
->minimum
;
475 mem
->max
= p
->maximum
;
476 mem
->align
= p
->alignment
;
477 mem
->size
= p
->address_length
;
479 mem
->flags
= (ACPI_READ_WRITE_MEMORY
== p
->write_protect
) ?
480 IORESOURCE_MEM_WRITEABLE
: 0;
482 pnp_register_mem_resource(dev
, option
, mem
);
485 static __init
void pnpacpi_parse_mem32_option(struct pnp_dev
*dev
,
486 struct pnp_option
*option
,
487 struct acpi_resource_memory32
*p
)
491 if (p
->address_length
== 0)
493 mem
= kzalloc(sizeof(struct pnp_mem
), GFP_KERNEL
);
496 mem
->min
= p
->minimum
;
497 mem
->max
= p
->maximum
;
498 mem
->align
= p
->alignment
;
499 mem
->size
= p
->address_length
;
501 mem
->flags
= (ACPI_READ_WRITE_MEMORY
== p
->write_protect
) ?
502 IORESOURCE_MEM_WRITEABLE
: 0;
504 pnp_register_mem_resource(dev
, option
, mem
);
507 static __init
void pnpacpi_parse_fixed_mem32_option(struct pnp_dev
*dev
,
508 struct pnp_option
*option
,
509 struct acpi_resource_fixed_memory32
*p
)
513 if (p
->address_length
== 0)
515 mem
= kzalloc(sizeof(struct pnp_mem
), GFP_KERNEL
);
518 mem
->min
= mem
->max
= p
->address
;
519 mem
->size
= p
->address_length
;
522 mem
->flags
= (ACPI_READ_WRITE_MEMORY
== p
->write_protect
) ?
523 IORESOURCE_MEM_WRITEABLE
: 0;
525 pnp_register_mem_resource(dev
, option
, mem
);
528 static __init
void pnpacpi_parse_address_option(struct pnp_dev
*dev
,
529 struct pnp_option
*option
,
530 struct acpi_resource
*r
)
532 struct acpi_resource_address64 addr
, *p
= &addr
;
535 struct pnp_port
*port
;
537 status
= acpi_resource_to_address64(r
, p
);
538 if (!ACPI_SUCCESS(status
)) {
539 pnp_warn("PnPACPI: failed to convert resource type %d",
544 if (p
->address_length
== 0)
547 if (p
->resource_type
== ACPI_MEMORY_RANGE
) {
548 mem
= kzalloc(sizeof(struct pnp_mem
), GFP_KERNEL
);
551 mem
->min
= mem
->max
= p
->minimum
;
552 mem
->size
= p
->address_length
;
554 mem
->flags
= (p
->info
.mem
.write_protect
==
555 ACPI_READ_WRITE_MEMORY
) ? IORESOURCE_MEM_WRITEABLE
557 pnp_register_mem_resource(dev
, option
, mem
);
558 } else if (p
->resource_type
== ACPI_IO_RANGE
) {
559 port
= kzalloc(sizeof(struct pnp_port
), GFP_KERNEL
);
562 port
->min
= port
->max
= p
->minimum
;
563 port
->size
= p
->address_length
;
565 port
->flags
= PNP_PORT_FLAG_FIXED
;
566 pnp_register_port_resource(dev
, option
, port
);
570 struct acpipnp_parse_option_s
{
571 struct pnp_option
*option
;
572 struct pnp_option
*option_independent
;
576 static __init acpi_status
pnpacpi_option_resource(struct acpi_resource
*res
,
580 struct acpipnp_parse_option_s
*parse_data
= data
;
581 struct pnp_dev
*dev
= parse_data
->dev
;
582 struct pnp_option
*option
= parse_data
->option
;
585 case ACPI_RESOURCE_TYPE_IRQ
:
586 pnpacpi_parse_irq_option(dev
, option
, &res
->data
.irq
);
589 case ACPI_RESOURCE_TYPE_DMA
:
590 pnpacpi_parse_dma_option(dev
, option
, &res
->data
.dma
);
593 case ACPI_RESOURCE_TYPE_START_DEPENDENT
:
594 switch (res
->data
.start_dpf
.compatibility_priority
) {
595 case ACPI_GOOD_CONFIGURATION
:
596 priority
= PNP_RES_PRIORITY_PREFERRED
;
599 case ACPI_ACCEPTABLE_CONFIGURATION
:
600 priority
= PNP_RES_PRIORITY_ACCEPTABLE
;
603 case ACPI_SUB_OPTIMAL_CONFIGURATION
:
604 priority
= PNP_RES_PRIORITY_FUNCTIONAL
;
607 priority
= PNP_RES_PRIORITY_INVALID
;
610 /* TBD: Consider performance/robustness bits */
611 option
= pnp_register_dependent_option(dev
, priority
);
614 parse_data
->option
= option
;
617 case ACPI_RESOURCE_TYPE_END_DEPENDENT
:
618 /*only one EndDependentFn is allowed */
619 if (!parse_data
->option_independent
) {
620 dev_warn(&dev
->dev
, "more than one EndDependentFn "
624 parse_data
->option
= parse_data
->option_independent
;
625 parse_data
->option_independent
= NULL
;
626 dev_dbg(&dev
->dev
, "end dependent options\n");
629 case ACPI_RESOURCE_TYPE_IO
:
630 pnpacpi_parse_port_option(dev
, option
, &res
->data
.io
);
633 case ACPI_RESOURCE_TYPE_FIXED_IO
:
634 pnpacpi_parse_fixed_port_option(dev
, option
,
635 &res
->data
.fixed_io
);
638 case ACPI_RESOURCE_TYPE_VENDOR
:
639 case ACPI_RESOURCE_TYPE_END_TAG
:
642 case ACPI_RESOURCE_TYPE_MEMORY24
:
643 pnpacpi_parse_mem24_option(dev
, option
, &res
->data
.memory24
);
646 case ACPI_RESOURCE_TYPE_MEMORY32
:
647 pnpacpi_parse_mem32_option(dev
, option
, &res
->data
.memory32
);
650 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32
:
651 pnpacpi_parse_fixed_mem32_option(dev
, option
,
652 &res
->data
.fixed_memory32
);
655 case ACPI_RESOURCE_TYPE_ADDRESS16
:
656 case ACPI_RESOURCE_TYPE_ADDRESS32
:
657 case ACPI_RESOURCE_TYPE_ADDRESS64
:
658 pnpacpi_parse_address_option(dev
, option
, res
);
661 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64
:
664 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ
:
665 pnpacpi_parse_ext_irq_option(dev
, option
,
666 &res
->data
.extended_irq
);
669 case ACPI_RESOURCE_TYPE_GENERIC_REGISTER
:
673 dev_warn(&dev
->dev
, "unknown resource type %d in _PRS\n",
681 int __init
pnpacpi_parse_resource_option_data(struct pnp_dev
*dev
)
683 acpi_handle handle
= dev
->data
;
685 struct acpipnp_parse_option_s parse_data
;
687 dev_dbg(&dev
->dev
, "parse resource options\n");
689 parse_data
.option
= pnp_register_independent_option(dev
);
690 if (!parse_data
.option
)
693 parse_data
.option_independent
= parse_data
.option
;
694 parse_data
.dev
= dev
;
695 status
= acpi_walk_resources(handle
, METHOD_NAME__PRS
,
696 pnpacpi_option_resource
, &parse_data
);
698 if (ACPI_FAILURE(status
)) {
699 if (status
!= AE_NOT_FOUND
)
700 dev_err(&dev
->dev
, "can't evaluate _PRS: %d", status
);
706 static int pnpacpi_supported_resource(struct acpi_resource
*res
)
709 case ACPI_RESOURCE_TYPE_IRQ
:
710 case ACPI_RESOURCE_TYPE_DMA
:
711 case ACPI_RESOURCE_TYPE_IO
:
712 case ACPI_RESOURCE_TYPE_FIXED_IO
:
713 case ACPI_RESOURCE_TYPE_MEMORY24
:
714 case ACPI_RESOURCE_TYPE_MEMORY32
:
715 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32
:
716 case ACPI_RESOURCE_TYPE_ADDRESS16
:
717 case ACPI_RESOURCE_TYPE_ADDRESS32
:
718 case ACPI_RESOURCE_TYPE_ADDRESS64
:
719 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ
:
728 static acpi_status
pnpacpi_count_resources(struct acpi_resource
*res
,
733 if (pnpacpi_supported_resource(res
))
738 static acpi_status
pnpacpi_type_resources(struct acpi_resource
*res
, void *data
)
740 struct acpi_resource
**resource
= data
;
742 if (pnpacpi_supported_resource(res
)) {
743 (*resource
)->type
= res
->type
;
744 (*resource
)->length
= sizeof(struct acpi_resource
);
751 int pnpacpi_build_resource_template(struct pnp_dev
*dev
,
752 struct acpi_buffer
*buffer
)
754 acpi_handle handle
= dev
->data
;
755 struct acpi_resource
*resource
;
759 status
= acpi_walk_resources(handle
, METHOD_NAME__CRS
,
760 pnpacpi_count_resources
, &res_cnt
);
761 if (ACPI_FAILURE(status
)) {
762 dev_err(&dev
->dev
, "can't evaluate _CRS: %d\n", status
);
767 buffer
->length
= sizeof(struct acpi_resource
) * (res_cnt
+ 1) + 1;
768 buffer
->pointer
= kzalloc(buffer
->length
- 1, GFP_KERNEL
);
769 if (!buffer
->pointer
)
772 resource
= (struct acpi_resource
*)buffer
->pointer
;
773 status
= acpi_walk_resources(handle
, METHOD_NAME__CRS
,
774 pnpacpi_type_resources
, &resource
);
775 if (ACPI_FAILURE(status
)) {
776 kfree(buffer
->pointer
);
777 dev_err(&dev
->dev
, "can't evaluate _CRS: %d\n", status
);
780 /* resource will pointer the end resource now */
781 resource
->type
= ACPI_RESOURCE_TYPE_END_TAG
;
786 static void pnpacpi_encode_irq(struct pnp_dev
*dev
,
787 struct acpi_resource
*resource
,
790 struct acpi_resource_irq
*irq
= &resource
->data
.irq
;
791 int triggering
, polarity
;
793 decode_irq_flags(p
->flags
& IORESOURCE_BITS
, &triggering
, &polarity
);
794 irq
->triggering
= triggering
;
795 irq
->polarity
= polarity
;
796 if (triggering
== ACPI_EDGE_SENSITIVE
)
797 irq
->sharable
= ACPI_EXCLUSIVE
;
799 irq
->sharable
= ACPI_SHARED
;
800 irq
->interrupt_count
= 1;
801 irq
->interrupts
[0] = p
->start
;
803 dev_dbg(&dev
->dev
, " encode irq %d %s %s %s\n", (int) p
->start
,
804 triggering
== ACPI_LEVEL_SENSITIVE
? "level" : "edge",
805 polarity
== ACPI_ACTIVE_LOW
? "low" : "high",
806 irq
->sharable
== ACPI_SHARED
? "shared" : "exclusive");
809 static void pnpacpi_encode_ext_irq(struct pnp_dev
*dev
,
810 struct acpi_resource
*resource
,
813 struct acpi_resource_extended_irq
*extended_irq
= &resource
->data
.extended_irq
;
814 int triggering
, polarity
;
816 decode_irq_flags(p
->flags
& IORESOURCE_BITS
, &triggering
, &polarity
);
817 extended_irq
->producer_consumer
= ACPI_CONSUMER
;
818 extended_irq
->triggering
= triggering
;
819 extended_irq
->polarity
= polarity
;
820 if (triggering
== ACPI_EDGE_SENSITIVE
)
821 extended_irq
->sharable
= ACPI_EXCLUSIVE
;
823 extended_irq
->sharable
= ACPI_SHARED
;
824 extended_irq
->interrupt_count
= 1;
825 extended_irq
->interrupts
[0] = p
->start
;
827 dev_dbg(&dev
->dev
, " encode irq %d %s %s %s\n", (int) p
->start
,
828 triggering
== ACPI_LEVEL_SENSITIVE
? "level" : "edge",
829 polarity
== ACPI_ACTIVE_LOW
? "low" : "high",
830 extended_irq
->sharable
== ACPI_SHARED
? "shared" : "exclusive");
833 static void pnpacpi_encode_dma(struct pnp_dev
*dev
,
834 struct acpi_resource
*resource
,
837 struct acpi_resource_dma
*dma
= &resource
->data
.dma
;
839 /* Note: pnp_assign_dma will copy pnp_dma->flags into p->flags */
840 switch (p
->flags
& IORESOURCE_DMA_SPEED_MASK
) {
841 case IORESOURCE_DMA_TYPEA
:
842 dma
->type
= ACPI_TYPE_A
;
844 case IORESOURCE_DMA_TYPEB
:
845 dma
->type
= ACPI_TYPE_B
;
847 case IORESOURCE_DMA_TYPEF
:
848 dma
->type
= ACPI_TYPE_F
;
851 dma
->type
= ACPI_COMPATIBILITY
;
854 switch (p
->flags
& IORESOURCE_DMA_TYPE_MASK
) {
855 case IORESOURCE_DMA_8BIT
:
856 dma
->transfer
= ACPI_TRANSFER_8
;
858 case IORESOURCE_DMA_8AND16BIT
:
859 dma
->transfer
= ACPI_TRANSFER_8_16
;
862 dma
->transfer
= ACPI_TRANSFER_16
;
865 dma
->bus_master
= !!(p
->flags
& IORESOURCE_DMA_MASTER
);
866 dma
->channel_count
= 1;
867 dma
->channels
[0] = p
->start
;
869 dev_dbg(&dev
->dev
, " encode dma %d "
870 "type %#x transfer %#x master %d\n",
871 (int) p
->start
, dma
->type
, dma
->transfer
, dma
->bus_master
);
874 static void pnpacpi_encode_io(struct pnp_dev
*dev
,
875 struct acpi_resource
*resource
,
878 struct acpi_resource_io
*io
= &resource
->data
.io
;
880 /* Note: pnp_assign_port will copy pnp_port->flags into p->flags */
881 io
->io_decode
= (p
->flags
& PNP_PORT_FLAG_16BITADDR
) ?
882 ACPI_DECODE_16
: ACPI_DECODE_10
;
883 io
->minimum
= p
->start
;
884 io
->maximum
= p
->end
;
885 io
->alignment
= 0; /* Correct? */
886 io
->address_length
= p
->end
- p
->start
+ 1;
888 dev_dbg(&dev
->dev
, " encode io %#llx-%#llx decode %#x\n",
889 (unsigned long long) p
->start
, (unsigned long long) p
->end
,
893 static void pnpacpi_encode_fixed_io(struct pnp_dev
*dev
,
894 struct acpi_resource
*resource
,
897 struct acpi_resource_fixed_io
*fixed_io
= &resource
->data
.fixed_io
;
899 fixed_io
->address
= p
->start
;
900 fixed_io
->address_length
= p
->end
- p
->start
+ 1;
902 dev_dbg(&dev
->dev
, " encode fixed_io %#llx-%#llx\n",
903 (unsigned long long) p
->start
, (unsigned long long) p
->end
);
906 static void pnpacpi_encode_mem24(struct pnp_dev
*dev
,
907 struct acpi_resource
*resource
,
910 struct acpi_resource_memory24
*memory24
= &resource
->data
.memory24
;
912 /* Note: pnp_assign_mem will copy pnp_mem->flags into p->flags */
913 memory24
->write_protect
=
914 (p
->flags
& IORESOURCE_MEM_WRITEABLE
) ?
915 ACPI_READ_WRITE_MEMORY
: ACPI_READ_ONLY_MEMORY
;
916 memory24
->minimum
= p
->start
;
917 memory24
->maximum
= p
->end
;
918 memory24
->alignment
= 0;
919 memory24
->address_length
= p
->end
- p
->start
+ 1;
921 dev_dbg(&dev
->dev
, " encode mem24 %#llx-%#llx write_protect %#x\n",
922 (unsigned long long) p
->start
, (unsigned long long) p
->end
,
923 memory24
->write_protect
);
926 static void pnpacpi_encode_mem32(struct pnp_dev
*dev
,
927 struct acpi_resource
*resource
,
930 struct acpi_resource_memory32
*memory32
= &resource
->data
.memory32
;
932 memory32
->write_protect
=
933 (p
->flags
& IORESOURCE_MEM_WRITEABLE
) ?
934 ACPI_READ_WRITE_MEMORY
: ACPI_READ_ONLY_MEMORY
;
935 memory32
->minimum
= p
->start
;
936 memory32
->maximum
= p
->end
;
937 memory32
->alignment
= 0;
938 memory32
->address_length
= p
->end
- p
->start
+ 1;
940 dev_dbg(&dev
->dev
, " encode mem32 %#llx-%#llx write_protect %#x\n",
941 (unsigned long long) p
->start
, (unsigned long long) p
->end
,
942 memory32
->write_protect
);
945 static void pnpacpi_encode_fixed_mem32(struct pnp_dev
*dev
,
946 struct acpi_resource
*resource
,
949 struct acpi_resource_fixed_memory32
*fixed_memory32
= &resource
->data
.fixed_memory32
;
951 fixed_memory32
->write_protect
=
952 (p
->flags
& IORESOURCE_MEM_WRITEABLE
) ?
953 ACPI_READ_WRITE_MEMORY
: ACPI_READ_ONLY_MEMORY
;
954 fixed_memory32
->address
= p
->start
;
955 fixed_memory32
->address_length
= p
->end
- p
->start
+ 1;
957 dev_dbg(&dev
->dev
, " encode fixed_mem32 %#llx-%#llx "
958 "write_protect %#x\n",
959 (unsigned long long) p
->start
, (unsigned long long) p
->end
,
960 fixed_memory32
->write_protect
);
963 int pnpacpi_encode_resources(struct pnp_dev
*dev
, struct acpi_buffer
*buffer
)
966 /* pnpacpi_build_resource_template allocates extra mem */
967 int res_cnt
= (buffer
->length
- 1) / sizeof(struct acpi_resource
) - 1;
968 struct acpi_resource
*resource
= buffer
->pointer
;
969 int port
= 0, irq
= 0, dma
= 0, mem
= 0;
971 dev_dbg(&dev
->dev
, "encode %d resources\n", res_cnt
);
972 while (i
< res_cnt
) {
973 switch (resource
->type
) {
974 case ACPI_RESOURCE_TYPE_IRQ
:
975 pnpacpi_encode_irq(dev
, resource
,
976 pnp_get_resource(dev
, IORESOURCE_IRQ
, irq
));
980 case ACPI_RESOURCE_TYPE_DMA
:
981 pnpacpi_encode_dma(dev
, resource
,
982 pnp_get_resource(dev
, IORESOURCE_DMA
, dma
));
985 case ACPI_RESOURCE_TYPE_IO
:
986 pnpacpi_encode_io(dev
, resource
,
987 pnp_get_resource(dev
, IORESOURCE_IO
, port
));
990 case ACPI_RESOURCE_TYPE_FIXED_IO
:
991 pnpacpi_encode_fixed_io(dev
, resource
,
992 pnp_get_resource(dev
, IORESOURCE_IO
, port
));
995 case ACPI_RESOURCE_TYPE_MEMORY24
:
996 pnpacpi_encode_mem24(dev
, resource
,
997 pnp_get_resource(dev
, IORESOURCE_MEM
, mem
));
1000 case ACPI_RESOURCE_TYPE_MEMORY32
:
1001 pnpacpi_encode_mem32(dev
, resource
,
1002 pnp_get_resource(dev
, IORESOURCE_MEM
, mem
));
1005 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32
:
1006 pnpacpi_encode_fixed_mem32(dev
, resource
,
1007 pnp_get_resource(dev
, IORESOURCE_MEM
, mem
));
1010 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ
:
1011 pnpacpi_encode_ext_irq(dev
, resource
,
1012 pnp_get_resource(dev
, IORESOURCE_IRQ
, irq
));
1015 case ACPI_RESOURCE_TYPE_START_DEPENDENT
:
1016 case ACPI_RESOURCE_TYPE_END_DEPENDENT
:
1017 case ACPI_RESOURCE_TYPE_VENDOR
:
1018 case ACPI_RESOURCE_TYPE_END_TAG
:
1019 case ACPI_RESOURCE_TYPE_ADDRESS16
:
1020 case ACPI_RESOURCE_TYPE_ADDRESS32
:
1021 case ACPI_RESOURCE_TYPE_ADDRESS64
:
1022 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64
:
1023 case ACPI_RESOURCE_TYPE_GENERIC_REGISTER
:
1024 default: /* other type */
1025 dev_warn(&dev
->dev
, "can't encode unknown resource "
1026 "type %d\n", resource
->type
);