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 acpi_status
pnpacpi_parse_allocated_resource(struct pnp_dev
*dev
)
344 acpi_handle handle
= dev
->data
;
346 dev_dbg(&dev
->dev
, "parse allocated resources\n");
348 pnp_init_resources(dev
);
350 return acpi_walk_resources(handle
, METHOD_NAME__CRS
,
351 pnpacpi_allocated_resource
, dev
);
354 static __init
void pnpacpi_parse_dma_option(struct pnp_dev
*dev
,
355 struct pnp_option
*option
,
356 struct acpi_resource_dma
*p
)
361 if (p
->channel_count
== 0)
363 dma
= kzalloc(sizeof(struct pnp_dma
), GFP_KERNEL
);
367 for (i
= 0; i
< p
->channel_count
; i
++)
368 dma
->map
|= 1 << p
->channels
[i
];
370 dma
->flags
= dma_flags(p
->type
, p
->bus_master
, p
->transfer
);
372 pnp_register_dma_resource(dev
, option
, dma
);
375 static __init
void pnpacpi_parse_irq_option(struct pnp_dev
*dev
,
376 struct pnp_option
*option
,
377 struct acpi_resource_irq
*p
)
382 if (p
->interrupt_count
== 0)
384 irq
= kzalloc(sizeof(struct pnp_irq
), GFP_KERNEL
);
388 for (i
= 0; i
< p
->interrupt_count
; i
++)
389 if (p
->interrupts
[i
])
390 __set_bit(p
->interrupts
[i
], irq
->map
);
391 irq
->flags
= irq_flags(p
->triggering
, p
->polarity
, p
->sharable
);
393 pnp_register_irq_resource(dev
, option
, irq
);
396 static __init
void pnpacpi_parse_ext_irq_option(struct pnp_dev
*dev
,
397 struct pnp_option
*option
,
398 struct acpi_resource_extended_irq
*p
)
403 if (p
->interrupt_count
== 0)
405 irq
= kzalloc(sizeof(struct pnp_irq
), GFP_KERNEL
);
409 for (i
= 0; i
< p
->interrupt_count
; i
++)
410 if (p
->interrupts
[i
])
411 __set_bit(p
->interrupts
[i
], irq
->map
);
412 irq
->flags
= irq_flags(p
->triggering
, p
->polarity
, p
->sharable
);
414 pnp_register_irq_resource(dev
, option
, irq
);
417 static __init
void pnpacpi_parse_port_option(struct pnp_dev
*dev
,
418 struct pnp_option
*option
,
419 struct acpi_resource_io
*io
)
421 struct pnp_port
*port
;
423 if (io
->address_length
== 0)
425 port
= kzalloc(sizeof(struct pnp_port
), GFP_KERNEL
);
428 port
->min
= io
->minimum
;
429 port
->max
= io
->maximum
;
430 port
->align
= io
->alignment
;
431 port
->size
= io
->address_length
;
432 port
->flags
= ACPI_DECODE_16
== io
->io_decode
?
433 PNP_PORT_FLAG_16BITADDR
: 0;
434 pnp_register_port_resource(dev
, option
, port
);
437 static __init
void pnpacpi_parse_fixed_port_option(struct pnp_dev
*dev
,
438 struct pnp_option
*option
,
439 struct acpi_resource_fixed_io
*io
)
441 struct pnp_port
*port
;
443 if (io
->address_length
== 0)
445 port
= kzalloc(sizeof(struct pnp_port
), GFP_KERNEL
);
448 port
->min
= port
->max
= io
->address
;
449 port
->size
= io
->address_length
;
451 port
->flags
= PNP_PORT_FLAG_FIXED
;
452 pnp_register_port_resource(dev
, option
, port
);
455 static __init
void pnpacpi_parse_mem24_option(struct pnp_dev
*dev
,
456 struct pnp_option
*option
,
457 struct acpi_resource_memory24
*p
)
461 if (p
->address_length
== 0)
463 mem
= kzalloc(sizeof(struct pnp_mem
), GFP_KERNEL
);
466 mem
->min
= p
->minimum
;
467 mem
->max
= p
->maximum
;
468 mem
->align
= p
->alignment
;
469 mem
->size
= p
->address_length
;
471 mem
->flags
= (ACPI_READ_WRITE_MEMORY
== p
->write_protect
) ?
472 IORESOURCE_MEM_WRITEABLE
: 0;
474 pnp_register_mem_resource(dev
, option
, mem
);
477 static __init
void pnpacpi_parse_mem32_option(struct pnp_dev
*dev
,
478 struct pnp_option
*option
,
479 struct acpi_resource_memory32
*p
)
483 if (p
->address_length
== 0)
485 mem
= kzalloc(sizeof(struct pnp_mem
), GFP_KERNEL
);
488 mem
->min
= p
->minimum
;
489 mem
->max
= p
->maximum
;
490 mem
->align
= p
->alignment
;
491 mem
->size
= p
->address_length
;
493 mem
->flags
= (ACPI_READ_WRITE_MEMORY
== p
->write_protect
) ?
494 IORESOURCE_MEM_WRITEABLE
: 0;
496 pnp_register_mem_resource(dev
, option
, mem
);
499 static __init
void pnpacpi_parse_fixed_mem32_option(struct pnp_dev
*dev
,
500 struct pnp_option
*option
,
501 struct acpi_resource_fixed_memory32
*p
)
505 if (p
->address_length
== 0)
507 mem
= kzalloc(sizeof(struct pnp_mem
), GFP_KERNEL
);
510 mem
->min
= mem
->max
= p
->address
;
511 mem
->size
= p
->address_length
;
514 mem
->flags
= (ACPI_READ_WRITE_MEMORY
== p
->write_protect
) ?
515 IORESOURCE_MEM_WRITEABLE
: 0;
517 pnp_register_mem_resource(dev
, option
, mem
);
520 static __init
void pnpacpi_parse_address_option(struct pnp_dev
*dev
,
521 struct pnp_option
*option
,
522 struct acpi_resource
*r
)
524 struct acpi_resource_address64 addr
, *p
= &addr
;
527 struct pnp_port
*port
;
529 status
= acpi_resource_to_address64(r
, p
);
530 if (!ACPI_SUCCESS(status
)) {
531 pnp_warn("PnPACPI: failed to convert resource type %d",
536 if (p
->address_length
== 0)
539 if (p
->resource_type
== ACPI_MEMORY_RANGE
) {
540 mem
= kzalloc(sizeof(struct pnp_mem
), GFP_KERNEL
);
543 mem
->min
= mem
->max
= p
->minimum
;
544 mem
->size
= p
->address_length
;
546 mem
->flags
= (p
->info
.mem
.write_protect
==
547 ACPI_READ_WRITE_MEMORY
) ? IORESOURCE_MEM_WRITEABLE
549 pnp_register_mem_resource(dev
, option
, mem
);
550 } else if (p
->resource_type
== ACPI_IO_RANGE
) {
551 port
= kzalloc(sizeof(struct pnp_port
), GFP_KERNEL
);
554 port
->min
= port
->max
= p
->minimum
;
555 port
->size
= p
->address_length
;
557 port
->flags
= PNP_PORT_FLAG_FIXED
;
558 pnp_register_port_resource(dev
, option
, port
);
562 struct acpipnp_parse_option_s
{
563 struct pnp_option
*option
;
564 struct pnp_option
*option_independent
;
568 static __init acpi_status
pnpacpi_option_resource(struct acpi_resource
*res
,
572 struct acpipnp_parse_option_s
*parse_data
= data
;
573 struct pnp_dev
*dev
= parse_data
->dev
;
574 struct pnp_option
*option
= parse_data
->option
;
577 case ACPI_RESOURCE_TYPE_IRQ
:
578 pnpacpi_parse_irq_option(dev
, option
, &res
->data
.irq
);
581 case ACPI_RESOURCE_TYPE_DMA
:
582 pnpacpi_parse_dma_option(dev
, option
, &res
->data
.dma
);
585 case ACPI_RESOURCE_TYPE_START_DEPENDENT
:
586 switch (res
->data
.start_dpf
.compatibility_priority
) {
587 case ACPI_GOOD_CONFIGURATION
:
588 priority
= PNP_RES_PRIORITY_PREFERRED
;
591 case ACPI_ACCEPTABLE_CONFIGURATION
:
592 priority
= PNP_RES_PRIORITY_ACCEPTABLE
;
595 case ACPI_SUB_OPTIMAL_CONFIGURATION
:
596 priority
= PNP_RES_PRIORITY_FUNCTIONAL
;
599 priority
= PNP_RES_PRIORITY_INVALID
;
602 /* TBD: Consider performance/robustness bits */
603 option
= pnp_register_dependent_option(dev
, priority
);
606 parse_data
->option
= option
;
609 case ACPI_RESOURCE_TYPE_END_DEPENDENT
:
610 /*only one EndDependentFn is allowed */
611 if (!parse_data
->option_independent
) {
612 dev_warn(&dev
->dev
, "more than one EndDependentFn "
616 parse_data
->option
= parse_data
->option_independent
;
617 parse_data
->option_independent
= NULL
;
618 dev_dbg(&dev
->dev
, "end dependent options\n");
621 case ACPI_RESOURCE_TYPE_IO
:
622 pnpacpi_parse_port_option(dev
, option
, &res
->data
.io
);
625 case ACPI_RESOURCE_TYPE_FIXED_IO
:
626 pnpacpi_parse_fixed_port_option(dev
, option
,
627 &res
->data
.fixed_io
);
630 case ACPI_RESOURCE_TYPE_VENDOR
:
631 case ACPI_RESOURCE_TYPE_END_TAG
:
634 case ACPI_RESOURCE_TYPE_MEMORY24
:
635 pnpacpi_parse_mem24_option(dev
, option
, &res
->data
.memory24
);
638 case ACPI_RESOURCE_TYPE_MEMORY32
:
639 pnpacpi_parse_mem32_option(dev
, option
, &res
->data
.memory32
);
642 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32
:
643 pnpacpi_parse_fixed_mem32_option(dev
, option
,
644 &res
->data
.fixed_memory32
);
647 case ACPI_RESOURCE_TYPE_ADDRESS16
:
648 case ACPI_RESOURCE_TYPE_ADDRESS32
:
649 case ACPI_RESOURCE_TYPE_ADDRESS64
:
650 pnpacpi_parse_address_option(dev
, option
, res
);
653 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64
:
656 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ
:
657 pnpacpi_parse_ext_irq_option(dev
, option
,
658 &res
->data
.extended_irq
);
661 case ACPI_RESOURCE_TYPE_GENERIC_REGISTER
:
665 dev_warn(&dev
->dev
, "unknown resource type %d in _PRS\n",
673 acpi_status __init
pnpacpi_parse_resource_option_data(struct pnp_dev
*dev
)
675 acpi_handle handle
= dev
->data
;
677 struct acpipnp_parse_option_s parse_data
;
679 dev_dbg(&dev
->dev
, "parse resource options\n");
681 parse_data
.option
= pnp_register_independent_option(dev
);
682 if (!parse_data
.option
)
684 parse_data
.option_independent
= parse_data
.option
;
685 parse_data
.dev
= dev
;
686 status
= acpi_walk_resources(handle
, METHOD_NAME__PRS
,
687 pnpacpi_option_resource
, &parse_data
);
692 static int pnpacpi_supported_resource(struct acpi_resource
*res
)
695 case ACPI_RESOURCE_TYPE_IRQ
:
696 case ACPI_RESOURCE_TYPE_DMA
:
697 case ACPI_RESOURCE_TYPE_IO
:
698 case ACPI_RESOURCE_TYPE_FIXED_IO
:
699 case ACPI_RESOURCE_TYPE_MEMORY24
:
700 case ACPI_RESOURCE_TYPE_MEMORY32
:
701 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32
:
702 case ACPI_RESOURCE_TYPE_ADDRESS16
:
703 case ACPI_RESOURCE_TYPE_ADDRESS32
:
704 case ACPI_RESOURCE_TYPE_ADDRESS64
:
705 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ
:
714 static acpi_status
pnpacpi_count_resources(struct acpi_resource
*res
,
719 if (pnpacpi_supported_resource(res
))
724 static acpi_status
pnpacpi_type_resources(struct acpi_resource
*res
, void *data
)
726 struct acpi_resource
**resource
= data
;
728 if (pnpacpi_supported_resource(res
)) {
729 (*resource
)->type
= res
->type
;
730 (*resource
)->length
= sizeof(struct acpi_resource
);
737 int pnpacpi_build_resource_template(struct pnp_dev
*dev
,
738 struct acpi_buffer
*buffer
)
740 acpi_handle handle
= dev
->data
;
741 struct acpi_resource
*resource
;
745 status
= acpi_walk_resources(handle
, METHOD_NAME__CRS
,
746 pnpacpi_count_resources
, &res_cnt
);
747 if (ACPI_FAILURE(status
)) {
748 dev_err(&dev
->dev
, "can't evaluate _CRS\n");
753 buffer
->length
= sizeof(struct acpi_resource
) * (res_cnt
+ 1) + 1;
754 buffer
->pointer
= kzalloc(buffer
->length
- 1, GFP_KERNEL
);
755 if (!buffer
->pointer
)
758 resource
= (struct acpi_resource
*)buffer
->pointer
;
759 status
= acpi_walk_resources(handle
, METHOD_NAME__CRS
,
760 pnpacpi_type_resources
, &resource
);
761 if (ACPI_FAILURE(status
)) {
762 kfree(buffer
->pointer
);
763 dev_err(&dev
->dev
, "can't evaluate _CRS\n");
766 /* resource will pointer the end resource now */
767 resource
->type
= ACPI_RESOURCE_TYPE_END_TAG
;
772 static void pnpacpi_encode_irq(struct pnp_dev
*dev
,
773 struct acpi_resource
*resource
,
776 struct acpi_resource_irq
*irq
= &resource
->data
.irq
;
777 int triggering
, polarity
;
779 decode_irq_flags(p
->flags
& IORESOURCE_BITS
, &triggering
, &polarity
);
780 irq
->triggering
= triggering
;
781 irq
->polarity
= polarity
;
782 if (triggering
== ACPI_EDGE_SENSITIVE
)
783 irq
->sharable
= ACPI_EXCLUSIVE
;
785 irq
->sharable
= ACPI_SHARED
;
786 irq
->interrupt_count
= 1;
787 irq
->interrupts
[0] = p
->start
;
789 dev_dbg(&dev
->dev
, " encode irq %d %s %s %s\n", (int) p
->start
,
790 triggering
== ACPI_LEVEL_SENSITIVE
? "level" : "edge",
791 polarity
== ACPI_ACTIVE_LOW
? "low" : "high",
792 irq
->sharable
== ACPI_SHARED
? "shared" : "exclusive");
795 static void pnpacpi_encode_ext_irq(struct pnp_dev
*dev
,
796 struct acpi_resource
*resource
,
799 struct acpi_resource_extended_irq
*extended_irq
= &resource
->data
.extended_irq
;
800 int triggering
, polarity
;
802 decode_irq_flags(p
->flags
& IORESOURCE_BITS
, &triggering
, &polarity
);
803 extended_irq
->producer_consumer
= ACPI_CONSUMER
;
804 extended_irq
->triggering
= triggering
;
805 extended_irq
->polarity
= polarity
;
806 if (triggering
== ACPI_EDGE_SENSITIVE
)
807 extended_irq
->sharable
= ACPI_EXCLUSIVE
;
809 extended_irq
->sharable
= ACPI_SHARED
;
810 extended_irq
->interrupt_count
= 1;
811 extended_irq
->interrupts
[0] = p
->start
;
813 dev_dbg(&dev
->dev
, " encode irq %d %s %s %s\n", (int) p
->start
,
814 triggering
== ACPI_LEVEL_SENSITIVE
? "level" : "edge",
815 polarity
== ACPI_ACTIVE_LOW
? "low" : "high",
816 extended_irq
->sharable
== ACPI_SHARED
? "shared" : "exclusive");
819 static void pnpacpi_encode_dma(struct pnp_dev
*dev
,
820 struct acpi_resource
*resource
,
823 struct acpi_resource_dma
*dma
= &resource
->data
.dma
;
825 /* Note: pnp_assign_dma will copy pnp_dma->flags into p->flags */
826 switch (p
->flags
& IORESOURCE_DMA_SPEED_MASK
) {
827 case IORESOURCE_DMA_TYPEA
:
828 dma
->type
= ACPI_TYPE_A
;
830 case IORESOURCE_DMA_TYPEB
:
831 dma
->type
= ACPI_TYPE_B
;
833 case IORESOURCE_DMA_TYPEF
:
834 dma
->type
= ACPI_TYPE_F
;
837 dma
->type
= ACPI_COMPATIBILITY
;
840 switch (p
->flags
& IORESOURCE_DMA_TYPE_MASK
) {
841 case IORESOURCE_DMA_8BIT
:
842 dma
->transfer
= ACPI_TRANSFER_8
;
844 case IORESOURCE_DMA_8AND16BIT
:
845 dma
->transfer
= ACPI_TRANSFER_8_16
;
848 dma
->transfer
= ACPI_TRANSFER_16
;
851 dma
->bus_master
= !!(p
->flags
& IORESOURCE_DMA_MASTER
);
852 dma
->channel_count
= 1;
853 dma
->channels
[0] = p
->start
;
855 dev_dbg(&dev
->dev
, " encode dma %d "
856 "type %#x transfer %#x master %d\n",
857 (int) p
->start
, dma
->type
, dma
->transfer
, dma
->bus_master
);
860 static void pnpacpi_encode_io(struct pnp_dev
*dev
,
861 struct acpi_resource
*resource
,
864 struct acpi_resource_io
*io
= &resource
->data
.io
;
866 /* Note: pnp_assign_port will copy pnp_port->flags into p->flags */
867 io
->io_decode
= (p
->flags
& PNP_PORT_FLAG_16BITADDR
) ?
868 ACPI_DECODE_16
: ACPI_DECODE_10
;
869 io
->minimum
= p
->start
;
870 io
->maximum
= p
->end
;
871 io
->alignment
= 0; /* Correct? */
872 io
->address_length
= p
->end
- p
->start
+ 1;
874 dev_dbg(&dev
->dev
, " encode io %#llx-%#llx decode %#x\n",
875 (unsigned long long) p
->start
, (unsigned long long) p
->end
,
879 static void pnpacpi_encode_fixed_io(struct pnp_dev
*dev
,
880 struct acpi_resource
*resource
,
883 struct acpi_resource_fixed_io
*fixed_io
= &resource
->data
.fixed_io
;
885 fixed_io
->address
= p
->start
;
886 fixed_io
->address_length
= p
->end
- p
->start
+ 1;
888 dev_dbg(&dev
->dev
, " encode fixed_io %#llx-%#llx\n",
889 (unsigned long long) p
->start
, (unsigned long long) p
->end
);
892 static void pnpacpi_encode_mem24(struct pnp_dev
*dev
,
893 struct acpi_resource
*resource
,
896 struct acpi_resource_memory24
*memory24
= &resource
->data
.memory24
;
898 /* Note: pnp_assign_mem will copy pnp_mem->flags into p->flags */
899 memory24
->write_protect
=
900 (p
->flags
& IORESOURCE_MEM_WRITEABLE
) ?
901 ACPI_READ_WRITE_MEMORY
: ACPI_READ_ONLY_MEMORY
;
902 memory24
->minimum
= p
->start
;
903 memory24
->maximum
= p
->end
;
904 memory24
->alignment
= 0;
905 memory24
->address_length
= p
->end
- p
->start
+ 1;
907 dev_dbg(&dev
->dev
, " encode mem24 %#llx-%#llx write_protect %#x\n",
908 (unsigned long long) p
->start
, (unsigned long long) p
->end
,
909 memory24
->write_protect
);
912 static void pnpacpi_encode_mem32(struct pnp_dev
*dev
,
913 struct acpi_resource
*resource
,
916 struct acpi_resource_memory32
*memory32
= &resource
->data
.memory32
;
918 memory32
->write_protect
=
919 (p
->flags
& IORESOURCE_MEM_WRITEABLE
) ?
920 ACPI_READ_WRITE_MEMORY
: ACPI_READ_ONLY_MEMORY
;
921 memory32
->minimum
= p
->start
;
922 memory32
->maximum
= p
->end
;
923 memory32
->alignment
= 0;
924 memory32
->address_length
= p
->end
- p
->start
+ 1;
926 dev_dbg(&dev
->dev
, " encode mem32 %#llx-%#llx write_protect %#x\n",
927 (unsigned long long) p
->start
, (unsigned long long) p
->end
,
928 memory32
->write_protect
);
931 static void pnpacpi_encode_fixed_mem32(struct pnp_dev
*dev
,
932 struct acpi_resource
*resource
,
935 struct acpi_resource_fixed_memory32
*fixed_memory32
= &resource
->data
.fixed_memory32
;
937 fixed_memory32
->write_protect
=
938 (p
->flags
& IORESOURCE_MEM_WRITEABLE
) ?
939 ACPI_READ_WRITE_MEMORY
: ACPI_READ_ONLY_MEMORY
;
940 fixed_memory32
->address
= p
->start
;
941 fixed_memory32
->address_length
= p
->end
- p
->start
+ 1;
943 dev_dbg(&dev
->dev
, " encode fixed_mem32 %#llx-%#llx "
944 "write_protect %#x\n",
945 (unsigned long long) p
->start
, (unsigned long long) p
->end
,
946 fixed_memory32
->write_protect
);
949 int pnpacpi_encode_resources(struct pnp_dev
*dev
, struct acpi_buffer
*buffer
)
952 /* pnpacpi_build_resource_template allocates extra mem */
953 int res_cnt
= (buffer
->length
- 1) / sizeof(struct acpi_resource
) - 1;
954 struct acpi_resource
*resource
= buffer
->pointer
;
955 int port
= 0, irq
= 0, dma
= 0, mem
= 0;
957 dev_dbg(&dev
->dev
, "encode %d resources\n", res_cnt
);
958 while (i
< res_cnt
) {
959 switch (resource
->type
) {
960 case ACPI_RESOURCE_TYPE_IRQ
:
961 pnpacpi_encode_irq(dev
, resource
,
962 pnp_get_resource(dev
, IORESOURCE_IRQ
, irq
));
966 case ACPI_RESOURCE_TYPE_DMA
:
967 pnpacpi_encode_dma(dev
, resource
,
968 pnp_get_resource(dev
, IORESOURCE_DMA
, dma
));
971 case ACPI_RESOURCE_TYPE_IO
:
972 pnpacpi_encode_io(dev
, resource
,
973 pnp_get_resource(dev
, IORESOURCE_IO
, port
));
976 case ACPI_RESOURCE_TYPE_FIXED_IO
:
977 pnpacpi_encode_fixed_io(dev
, resource
,
978 pnp_get_resource(dev
, IORESOURCE_IO
, port
));
981 case ACPI_RESOURCE_TYPE_MEMORY24
:
982 pnpacpi_encode_mem24(dev
, resource
,
983 pnp_get_resource(dev
, IORESOURCE_MEM
, mem
));
986 case ACPI_RESOURCE_TYPE_MEMORY32
:
987 pnpacpi_encode_mem32(dev
, resource
,
988 pnp_get_resource(dev
, IORESOURCE_MEM
, mem
));
991 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32
:
992 pnpacpi_encode_fixed_mem32(dev
, resource
,
993 pnp_get_resource(dev
, IORESOURCE_MEM
, mem
));
996 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ
:
997 pnpacpi_encode_ext_irq(dev
, resource
,
998 pnp_get_resource(dev
, IORESOURCE_IRQ
, irq
));
1001 case ACPI_RESOURCE_TYPE_START_DEPENDENT
:
1002 case ACPI_RESOURCE_TYPE_END_DEPENDENT
:
1003 case ACPI_RESOURCE_TYPE_VENDOR
:
1004 case ACPI_RESOURCE_TYPE_END_TAG
:
1005 case ACPI_RESOURCE_TYPE_ADDRESS16
:
1006 case ACPI_RESOURCE_TYPE_ADDRESS32
:
1007 case ACPI_RESOURCE_TYPE_ADDRESS64
:
1008 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64
:
1009 case ACPI_RESOURCE_TYPE_GENERIC_REGISTER
:
1010 default: /* other type */
1011 dev_warn(&dev
->dev
, "can't encode unknown resource "
1012 "type %d\n", resource
->type
);