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>
27 #define valid_IRQ(i) (1)
29 #define valid_IRQ(i) (((i) != 0) && ((i) != 2))
35 static int irq_flags(int triggering
, int polarity
)
38 if (triggering
== ACPI_LEVEL_SENSITIVE
) {
39 if (polarity
== ACPI_ACTIVE_LOW
)
40 flag
= IORESOURCE_IRQ_LOWLEVEL
;
42 flag
= IORESOURCE_IRQ_HIGHLEVEL
;
44 if (polarity
== ACPI_ACTIVE_LOW
)
45 flag
= IORESOURCE_IRQ_LOWEDGE
;
47 flag
= IORESOURCE_IRQ_HIGHEDGE
;
52 static void decode_irq_flags(int flag
, int *triggering
, int *polarity
)
55 case IORESOURCE_IRQ_LOWLEVEL
:
56 *triggering
= ACPI_LEVEL_SENSITIVE
;
57 *polarity
= ACPI_ACTIVE_LOW
;
59 case IORESOURCE_IRQ_HIGHLEVEL
:
60 *triggering
= ACPI_LEVEL_SENSITIVE
;
61 *polarity
= ACPI_ACTIVE_HIGH
;
63 case IORESOURCE_IRQ_LOWEDGE
:
64 *triggering
= ACPI_EDGE_SENSITIVE
;
65 *polarity
= ACPI_ACTIVE_LOW
;
67 case IORESOURCE_IRQ_HIGHEDGE
:
68 *triggering
= ACPI_EDGE_SENSITIVE
;
69 *polarity
= ACPI_ACTIVE_HIGH
;
74 static void pnpacpi_parse_allocated_irqresource(struct pnp_resource_table
*res
,
75 u32 gsi
, int triggering
,
76 int polarity
, int shareable
)
84 while (!(res
->irq_resource
[i
].flags
& IORESOURCE_UNSET
) &&
90 res
->irq_resource
[i
].flags
= IORESOURCE_IRQ
; // Also clears _UNSET flag
91 res
->irq_resource
[i
].flags
|= irq_flags(triggering
, polarity
);
92 irq
= acpi_register_gsi(gsi
, triggering
, polarity
);
94 res
->irq_resource
[i
].flags
|= IORESOURCE_DISABLED
;
99 res
->irq_resource
[i
].flags
|= IORESOURCE_IRQ_SHAREABLE
;
101 res
->irq_resource
[i
].start
= irq
;
102 res
->irq_resource
[i
].end
= irq
;
103 pcibios_penalize_isa_irq(irq
, 1);
106 static int dma_flags(int type
, int bus_master
, int transfer
)
111 flags
|= IORESOURCE_DMA_MASTER
;
113 case ACPI_COMPATIBILITY
:
114 flags
|= IORESOURCE_DMA_COMPATIBLE
;
117 flags
|= IORESOURCE_DMA_TYPEA
;
120 flags
|= IORESOURCE_DMA_TYPEB
;
123 flags
|= IORESOURCE_DMA_TYPEF
;
126 /* Set a default value ? */
127 flags
|= IORESOURCE_DMA_COMPATIBLE
;
128 pnp_err("Invalid DMA type");
131 case ACPI_TRANSFER_8
:
132 flags
|= IORESOURCE_DMA_8BIT
;
134 case ACPI_TRANSFER_8_16
:
135 flags
|= IORESOURCE_DMA_8AND16BIT
;
137 case ACPI_TRANSFER_16
:
138 flags
|= IORESOURCE_DMA_16BIT
;
141 /* Set a default value ? */
142 flags
|= IORESOURCE_DMA_8AND16BIT
;
143 pnp_err("Invalid DMA transfer type");
149 static void pnpacpi_parse_allocated_dmaresource(struct pnp_resource_table
*res
,
151 int bus_master
, int transfer
)
155 while (i
< PNP_MAX_DMA
&&
156 !(res
->dma_resource
[i
].flags
& IORESOURCE_UNSET
))
158 if (i
< PNP_MAX_DMA
) {
159 res
->dma_resource
[i
].flags
= IORESOURCE_DMA
; // Also clears _UNSET flag
160 res
->dma_resource
[i
].flags
|=
161 dma_flags(type
, bus_master
, transfer
);
163 res
->dma_resource
[i
].flags
|= IORESOURCE_DISABLED
;
166 res
->dma_resource
[i
].start
= dma
;
167 res
->dma_resource
[i
].end
= dma
;
171 static void pnpacpi_parse_allocated_ioresource(struct pnp_resource_table
*res
,
172 u64 io
, u64 len
, int io_decode
)
176 while (!(res
->port_resource
[i
].flags
& IORESOURCE_UNSET
) &&
179 if (i
< PNP_MAX_PORT
) {
180 res
->port_resource
[i
].flags
= IORESOURCE_IO
; // Also clears _UNSET flag
181 if (io_decode
== ACPI_DECODE_16
)
182 res
->port_resource
[i
].flags
|= PNP_PORT_FLAG_16BITADDR
;
183 if (len
<= 0 || (io
+ len
- 1) >= 0x10003) {
184 res
->port_resource
[i
].flags
|= IORESOURCE_DISABLED
;
187 res
->port_resource
[i
].start
= io
;
188 res
->port_resource
[i
].end
= io
+ len
- 1;
192 static void pnpacpi_parse_allocated_memresource(struct pnp_resource_table
*res
,
198 while (!(res
->mem_resource
[i
].flags
& IORESOURCE_UNSET
) &&
201 if (i
< PNP_MAX_MEM
) {
202 res
->mem_resource
[i
].flags
= IORESOURCE_MEM
; // Also clears _UNSET flag
204 res
->mem_resource
[i
].flags
|= IORESOURCE_DISABLED
;
207 if (write_protect
== ACPI_READ_WRITE_MEMORY
)
208 res
->mem_resource
[i
].flags
|= IORESOURCE_MEM_WRITEABLE
;
210 res
->mem_resource
[i
].start
= mem
;
211 res
->mem_resource
[i
].end
= mem
+ len
- 1;
215 static void pnpacpi_parse_allocated_address_space(struct pnp_resource_table
*res_table
,
216 struct acpi_resource
*res
)
218 struct acpi_resource_address64 addr
, *p
= &addr
;
221 status
= acpi_resource_to_address64(res
, p
);
222 if (!ACPI_SUCCESS(status
)) {
223 pnp_warn("PnPACPI: failed to convert resource type %d",
228 if (p
->producer_consumer
== ACPI_PRODUCER
)
231 if (p
->resource_type
== ACPI_MEMORY_RANGE
)
232 pnpacpi_parse_allocated_memresource(res_table
,
233 p
->minimum
, p
->address_length
,
234 p
->info
.mem
.write_protect
);
235 else if (p
->resource_type
== ACPI_IO_RANGE
)
236 pnpacpi_parse_allocated_ioresource(res_table
,
237 p
->minimum
, p
->address_length
,
238 p
->granularity
== 0xfff ? ACPI_DECODE_10
:
242 static acpi_status
pnpacpi_allocated_resource(struct acpi_resource
*res
,
245 struct pnp_resource_table
*res_table
=
246 (struct pnp_resource_table
*)data
;
250 case ACPI_RESOURCE_TYPE_IRQ
:
252 * Per spec, only one interrupt per descriptor is allowed in
253 * _CRS, but some firmware violates this, so parse them all.
255 for (i
= 0; i
< res
->data
.irq
.interrupt_count
; i
++) {
256 pnpacpi_parse_allocated_irqresource(res_table
,
257 res
->data
.irq
.interrupts
[i
],
258 res
->data
.irq
.triggering
,
259 res
->data
.irq
.polarity
,
260 res
->data
.irq
.sharable
);
264 case ACPI_RESOURCE_TYPE_DMA
:
265 if (res
->data
.dma
.channel_count
> 0)
266 pnpacpi_parse_allocated_dmaresource(res_table
,
267 res
->data
.dma
.channels
[0],
269 res
->data
.dma
.bus_master
,
270 res
->data
.dma
.transfer
);
273 case ACPI_RESOURCE_TYPE_IO
:
274 pnpacpi_parse_allocated_ioresource(res_table
,
275 res
->data
.io
.minimum
,
276 res
->data
.io
.address_length
,
277 res
->data
.io
.io_decode
);
280 case ACPI_RESOURCE_TYPE_START_DEPENDENT
:
281 case ACPI_RESOURCE_TYPE_END_DEPENDENT
:
284 case ACPI_RESOURCE_TYPE_FIXED_IO
:
285 pnpacpi_parse_allocated_ioresource(res_table
,
286 res
->data
.fixed_io
.address
,
287 res
->data
.fixed_io
.address_length
,
291 case ACPI_RESOURCE_TYPE_VENDOR
:
294 case ACPI_RESOURCE_TYPE_END_TAG
:
297 case ACPI_RESOURCE_TYPE_MEMORY24
:
298 pnpacpi_parse_allocated_memresource(res_table
,
299 res
->data
.memory24
.minimum
,
300 res
->data
.memory24
.address_length
,
301 res
->data
.memory24
.write_protect
);
303 case ACPI_RESOURCE_TYPE_MEMORY32
:
304 pnpacpi_parse_allocated_memresource(res_table
,
305 res
->data
.memory32
.minimum
,
306 res
->data
.memory32
.address_length
,
307 res
->data
.memory32
.write_protect
);
309 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32
:
310 pnpacpi_parse_allocated_memresource(res_table
,
311 res
->data
.fixed_memory32
.address
,
312 res
->data
.fixed_memory32
.address_length
,
313 res
->data
.fixed_memory32
.write_protect
);
315 case ACPI_RESOURCE_TYPE_ADDRESS16
:
316 case ACPI_RESOURCE_TYPE_ADDRESS32
:
317 case ACPI_RESOURCE_TYPE_ADDRESS64
:
318 pnpacpi_parse_allocated_address_space(res_table
, res
);
321 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64
:
322 if (res
->data
.ext_address64
.producer_consumer
== ACPI_PRODUCER
)
326 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ
:
327 if (res
->data
.extended_irq
.producer_consumer
== ACPI_PRODUCER
)
330 for (i
= 0; i
< res
->data
.extended_irq
.interrupt_count
; i
++) {
331 pnpacpi_parse_allocated_irqresource(res_table
,
332 res
->data
.extended_irq
.interrupts
[i
],
333 res
->data
.extended_irq
.triggering
,
334 res
->data
.extended_irq
.polarity
,
335 res
->data
.extended_irq
.sharable
);
339 case ACPI_RESOURCE_TYPE_GENERIC_REGISTER
:
343 pnp_warn("PnPACPI: unknown resource type %d", res
->type
);
350 acpi_status
pnpacpi_parse_allocated_resource(acpi_handle handle
,
351 struct pnp_resource_table
* res
)
353 /* Blank the resource table values */
354 pnp_init_resource_table(res
);
356 return acpi_walk_resources(handle
, METHOD_NAME__CRS
,
357 pnpacpi_allocated_resource
, res
);
360 static void pnpacpi_parse_dma_option(struct pnp_option
*option
,
361 struct acpi_resource_dma
*p
)
366 if (p
->channel_count
== 0)
368 dma
= kzalloc(sizeof(struct pnp_dma
), GFP_KERNEL
);
372 for (i
= 0; i
< p
->channel_count
; i
++)
373 dma
->map
|= 1 << p
->channels
[i
];
375 dma
->flags
= dma_flags(p
->type
, p
->bus_master
, p
->transfer
);
377 pnp_register_dma_resource(option
, dma
);
380 static void pnpacpi_parse_irq_option(struct pnp_option
*option
,
381 struct acpi_resource_irq
*p
)
386 if (p
->interrupt_count
== 0)
388 irq
= kzalloc(sizeof(struct pnp_irq
), GFP_KERNEL
);
392 for (i
= 0; i
< p
->interrupt_count
; i
++)
393 if (p
->interrupts
[i
])
394 __set_bit(p
->interrupts
[i
], irq
->map
);
395 irq
->flags
= irq_flags(p
->triggering
, p
->polarity
);
397 pnp_register_irq_resource(option
, irq
);
400 static void pnpacpi_parse_ext_irq_option(struct pnp_option
*option
,
401 struct acpi_resource_extended_irq
*p
)
406 if (p
->interrupt_count
== 0)
408 irq
= kzalloc(sizeof(struct pnp_irq
), GFP_KERNEL
);
412 for (i
= 0; i
< p
->interrupt_count
; i
++)
413 if (p
->interrupts
[i
])
414 __set_bit(p
->interrupts
[i
], irq
->map
);
415 irq
->flags
= irq_flags(p
->triggering
, p
->polarity
);
417 pnp_register_irq_resource(option
, irq
);
420 static void pnpacpi_parse_port_option(struct pnp_option
*option
,
421 struct acpi_resource_io
*io
)
423 struct pnp_port
*port
;
425 if (io
->address_length
== 0)
427 port
= kzalloc(sizeof(struct pnp_port
), GFP_KERNEL
);
430 port
->min
= io
->minimum
;
431 port
->max
= io
->maximum
;
432 port
->align
= io
->alignment
;
433 port
->size
= io
->address_length
;
434 port
->flags
= ACPI_DECODE_16
== io
->io_decode
?
435 PNP_PORT_FLAG_16BITADDR
: 0;
436 pnp_register_port_resource(option
, port
);
439 static void pnpacpi_parse_fixed_port_option(struct pnp_option
*option
,
440 struct acpi_resource_fixed_io
*io
)
442 struct pnp_port
*port
;
444 if (io
->address_length
== 0)
446 port
= kzalloc(sizeof(struct pnp_port
), GFP_KERNEL
);
449 port
->min
= port
->max
= io
->address
;
450 port
->size
= io
->address_length
;
452 port
->flags
= PNP_PORT_FLAG_FIXED
;
453 pnp_register_port_resource(option
, port
);
456 static void pnpacpi_parse_mem24_option(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(option
, mem
);
477 static void pnpacpi_parse_mem32_option(struct pnp_option
*option
,
478 struct acpi_resource_memory32
*p
)
482 if (p
->address_length
== 0)
484 mem
= kzalloc(sizeof(struct pnp_mem
), GFP_KERNEL
);
487 mem
->min
= p
->minimum
;
488 mem
->max
= p
->maximum
;
489 mem
->align
= p
->alignment
;
490 mem
->size
= p
->address_length
;
492 mem
->flags
= (ACPI_READ_WRITE_MEMORY
== p
->write_protect
) ?
493 IORESOURCE_MEM_WRITEABLE
: 0;
495 pnp_register_mem_resource(option
, mem
);
498 static void pnpacpi_parse_fixed_mem32_option(struct pnp_option
*option
,
499 struct acpi_resource_fixed_memory32
*p
)
503 if (p
->address_length
== 0)
505 mem
= kzalloc(sizeof(struct pnp_mem
), GFP_KERNEL
);
508 mem
->min
= mem
->max
= p
->address
;
509 mem
->size
= p
->address_length
;
512 mem
->flags
= (ACPI_READ_WRITE_MEMORY
== p
->write_protect
) ?
513 IORESOURCE_MEM_WRITEABLE
: 0;
515 pnp_register_mem_resource(option
, mem
);
518 static void pnpacpi_parse_address_option(struct pnp_option
*option
,
519 struct acpi_resource
*r
)
521 struct acpi_resource_address64 addr
, *p
= &addr
;
524 struct pnp_port
*port
;
526 status
= acpi_resource_to_address64(r
, p
);
527 if (!ACPI_SUCCESS(status
)) {
528 pnp_warn("PnPACPI: failed to convert resource type %d",
533 if (p
->address_length
== 0)
536 if (p
->resource_type
== ACPI_MEMORY_RANGE
) {
537 mem
= kzalloc(sizeof(struct pnp_mem
), GFP_KERNEL
);
540 mem
->min
= mem
->max
= p
->minimum
;
541 mem
->size
= p
->address_length
;
543 mem
->flags
= (p
->info
.mem
.write_protect
==
544 ACPI_READ_WRITE_MEMORY
) ? IORESOURCE_MEM_WRITEABLE
546 pnp_register_mem_resource(option
, mem
);
547 } else if (p
->resource_type
== ACPI_IO_RANGE
) {
548 port
= kzalloc(sizeof(struct pnp_port
), GFP_KERNEL
);
551 port
->min
= port
->max
= p
->minimum
;
552 port
->size
= p
->address_length
;
554 port
->flags
= PNP_PORT_FLAG_FIXED
;
555 pnp_register_port_resource(option
, port
);
559 struct acpipnp_parse_option_s
{
560 struct pnp_option
*option
;
561 struct pnp_option
*option_independent
;
565 static acpi_status
pnpacpi_option_resource(struct acpi_resource
*res
,
569 struct acpipnp_parse_option_s
*parse_data
=
570 (struct acpipnp_parse_option_s
*)data
;
571 struct pnp_dev
*dev
= parse_data
->dev
;
572 struct pnp_option
*option
= parse_data
->option
;
575 case ACPI_RESOURCE_TYPE_IRQ
:
576 pnpacpi_parse_irq_option(option
, &res
->data
.irq
);
579 case ACPI_RESOURCE_TYPE_DMA
:
580 pnpacpi_parse_dma_option(option
, &res
->data
.dma
);
583 case ACPI_RESOURCE_TYPE_START_DEPENDENT
:
584 switch (res
->data
.start_dpf
.compatibility_priority
) {
585 case ACPI_GOOD_CONFIGURATION
:
586 priority
= PNP_RES_PRIORITY_PREFERRED
;
589 case ACPI_ACCEPTABLE_CONFIGURATION
:
590 priority
= PNP_RES_PRIORITY_ACCEPTABLE
;
593 case ACPI_SUB_OPTIMAL_CONFIGURATION
:
594 priority
= PNP_RES_PRIORITY_FUNCTIONAL
;
597 priority
= PNP_RES_PRIORITY_INVALID
;
600 /* TBD: Consider performance/robustness bits */
601 option
= pnp_register_dependent_option(dev
, priority
);
604 parse_data
->option
= option
;
607 case ACPI_RESOURCE_TYPE_END_DEPENDENT
:
608 /*only one EndDependentFn is allowed */
609 if (!parse_data
->option_independent
) {
610 pnp_warn("PnPACPI: more than one EndDependentFn");
613 parse_data
->option
= parse_data
->option_independent
;
614 parse_data
->option_independent
= NULL
;
617 case ACPI_RESOURCE_TYPE_IO
:
618 pnpacpi_parse_port_option(option
, &res
->data
.io
);
621 case ACPI_RESOURCE_TYPE_FIXED_IO
:
622 pnpacpi_parse_fixed_port_option(option
, &res
->data
.fixed_io
);
625 case ACPI_RESOURCE_TYPE_VENDOR
:
626 case ACPI_RESOURCE_TYPE_END_TAG
:
629 case ACPI_RESOURCE_TYPE_MEMORY24
:
630 pnpacpi_parse_mem24_option(option
, &res
->data
.memory24
);
633 case ACPI_RESOURCE_TYPE_MEMORY32
:
634 pnpacpi_parse_mem32_option(option
, &res
->data
.memory32
);
637 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32
:
638 pnpacpi_parse_fixed_mem32_option(option
,
639 &res
->data
.fixed_memory32
);
642 case ACPI_RESOURCE_TYPE_ADDRESS16
:
643 case ACPI_RESOURCE_TYPE_ADDRESS32
:
644 case ACPI_RESOURCE_TYPE_ADDRESS64
:
645 pnpacpi_parse_address_option(option
, res
);
648 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64
:
651 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ
:
652 pnpacpi_parse_ext_irq_option(option
, &res
->data
.extended_irq
);
655 case ACPI_RESOURCE_TYPE_GENERIC_REGISTER
:
659 pnp_warn("PnPACPI: unknown resource type %d", res
->type
);
666 acpi_status
pnpacpi_parse_resource_option_data(acpi_handle handle
,
667 struct pnp_dev
* dev
)
670 struct acpipnp_parse_option_s parse_data
;
672 parse_data
.option
= pnp_register_independent_option(dev
);
673 if (!parse_data
.option
)
675 parse_data
.option_independent
= parse_data
.option
;
676 parse_data
.dev
= dev
;
677 status
= acpi_walk_resources(handle
, METHOD_NAME__PRS
,
678 pnpacpi_option_resource
, &parse_data
);
683 static int pnpacpi_supported_resource(struct acpi_resource
*res
)
686 case ACPI_RESOURCE_TYPE_IRQ
:
687 case ACPI_RESOURCE_TYPE_DMA
:
688 case ACPI_RESOURCE_TYPE_IO
:
689 case ACPI_RESOURCE_TYPE_FIXED_IO
:
690 case ACPI_RESOURCE_TYPE_MEMORY24
:
691 case ACPI_RESOURCE_TYPE_MEMORY32
:
692 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32
:
693 case ACPI_RESOURCE_TYPE_ADDRESS16
:
694 case ACPI_RESOURCE_TYPE_ADDRESS32
:
695 case ACPI_RESOURCE_TYPE_ADDRESS64
:
696 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ
:
705 static acpi_status
pnpacpi_count_resources(struct acpi_resource
*res
,
708 int *res_cnt
= (int *)data
;
710 if (pnpacpi_supported_resource(res
))
715 static acpi_status
pnpacpi_type_resources(struct acpi_resource
*res
, void *data
)
717 struct acpi_resource
**resource
= (struct acpi_resource
**)data
;
719 if (pnpacpi_supported_resource(res
)) {
720 (*resource
)->type
= res
->type
;
721 (*resource
)->length
= sizeof(struct acpi_resource
);
728 int pnpacpi_build_resource_template(acpi_handle handle
,
729 struct acpi_buffer
*buffer
)
731 struct acpi_resource
*resource
;
735 status
= acpi_walk_resources(handle
, METHOD_NAME__CRS
,
736 pnpacpi_count_resources
, &res_cnt
);
737 if (ACPI_FAILURE(status
)) {
738 pnp_err("Evaluate _CRS failed");
743 buffer
->length
= sizeof(struct acpi_resource
) * (res_cnt
+ 1) + 1;
744 buffer
->pointer
= kzalloc(buffer
->length
- 1, GFP_KERNEL
);
745 if (!buffer
->pointer
)
747 pnp_dbg("Res cnt %d", res_cnt
);
748 resource
= (struct acpi_resource
*)buffer
->pointer
;
749 status
= acpi_walk_resources(handle
, METHOD_NAME__CRS
,
750 pnpacpi_type_resources
, &resource
);
751 if (ACPI_FAILURE(status
)) {
752 kfree(buffer
->pointer
);
753 pnp_err("Evaluate _CRS failed");
756 /* resource will pointer the end resource now */
757 resource
->type
= ACPI_RESOURCE_TYPE_END_TAG
;
762 static void pnpacpi_encode_irq(struct acpi_resource
*resource
,
765 int triggering
, polarity
;
767 decode_irq_flags(p
->flags
& IORESOURCE_BITS
, &triggering
, &polarity
);
768 resource
->data
.irq
.triggering
= triggering
;
769 resource
->data
.irq
.polarity
= polarity
;
770 if (triggering
== ACPI_EDGE_SENSITIVE
)
771 resource
->data
.irq
.sharable
= ACPI_EXCLUSIVE
;
773 resource
->data
.irq
.sharable
= ACPI_SHARED
;
774 resource
->data
.irq
.interrupt_count
= 1;
775 resource
->data
.irq
.interrupts
[0] = p
->start
;
778 static void pnpacpi_encode_ext_irq(struct acpi_resource
*resource
,
781 int triggering
, polarity
;
783 decode_irq_flags(p
->flags
& IORESOURCE_BITS
, &triggering
, &polarity
);
784 resource
->data
.extended_irq
.producer_consumer
= ACPI_CONSUMER
;
785 resource
->data
.extended_irq
.triggering
= triggering
;
786 resource
->data
.extended_irq
.polarity
= polarity
;
787 if (triggering
== ACPI_EDGE_SENSITIVE
)
788 resource
->data
.irq
.sharable
= ACPI_EXCLUSIVE
;
790 resource
->data
.irq
.sharable
= ACPI_SHARED
;
791 resource
->data
.extended_irq
.interrupt_count
= 1;
792 resource
->data
.extended_irq
.interrupts
[0] = p
->start
;
795 static void pnpacpi_encode_dma(struct acpi_resource
*resource
,
798 /* Note: pnp_assign_dma will copy pnp_dma->flags into p->flags */
799 switch (p
->flags
& IORESOURCE_DMA_SPEED_MASK
) {
800 case IORESOURCE_DMA_TYPEA
:
801 resource
->data
.dma
.type
= ACPI_TYPE_A
;
803 case IORESOURCE_DMA_TYPEB
:
804 resource
->data
.dma
.type
= ACPI_TYPE_B
;
806 case IORESOURCE_DMA_TYPEF
:
807 resource
->data
.dma
.type
= ACPI_TYPE_F
;
810 resource
->data
.dma
.type
= ACPI_COMPATIBILITY
;
813 switch (p
->flags
& IORESOURCE_DMA_TYPE_MASK
) {
814 case IORESOURCE_DMA_8BIT
:
815 resource
->data
.dma
.transfer
= ACPI_TRANSFER_8
;
817 case IORESOURCE_DMA_8AND16BIT
:
818 resource
->data
.dma
.transfer
= ACPI_TRANSFER_8_16
;
821 resource
->data
.dma
.transfer
= ACPI_TRANSFER_16
;
824 resource
->data
.dma
.bus_master
= !!(p
->flags
& IORESOURCE_DMA_MASTER
);
825 resource
->data
.dma
.channel_count
= 1;
826 resource
->data
.dma
.channels
[0] = p
->start
;
829 static void pnpacpi_encode_io(struct acpi_resource
*resource
,
832 /* Note: pnp_assign_port will copy pnp_port->flags into p->flags */
833 resource
->data
.io
.io_decode
= (p
->flags
& PNP_PORT_FLAG_16BITADDR
) ?
834 ACPI_DECODE_16
: ACPI_DECODE_10
;
835 resource
->data
.io
.minimum
= p
->start
;
836 resource
->data
.io
.maximum
= p
->end
;
837 resource
->data
.io
.alignment
= 0; /* Correct? */
838 resource
->data
.io
.address_length
= p
->end
- p
->start
+ 1;
841 static void pnpacpi_encode_fixed_io(struct acpi_resource
*resource
,
844 resource
->data
.fixed_io
.address
= p
->start
;
845 resource
->data
.fixed_io
.address_length
= p
->end
- p
->start
+ 1;
848 static void pnpacpi_encode_mem24(struct acpi_resource
*resource
,
851 /* Note: pnp_assign_mem will copy pnp_mem->flags into p->flags */
852 resource
->data
.memory24
.write_protect
=
853 (p
->flags
& IORESOURCE_MEM_WRITEABLE
) ?
854 ACPI_READ_WRITE_MEMORY
: ACPI_READ_ONLY_MEMORY
;
855 resource
->data
.memory24
.minimum
= p
->start
;
856 resource
->data
.memory24
.maximum
= p
->end
;
857 resource
->data
.memory24
.alignment
= 0;
858 resource
->data
.memory24
.address_length
= p
->end
- p
->start
+ 1;
861 static void pnpacpi_encode_mem32(struct acpi_resource
*resource
,
864 resource
->data
.memory32
.write_protect
=
865 (p
->flags
& IORESOURCE_MEM_WRITEABLE
) ?
866 ACPI_READ_WRITE_MEMORY
: ACPI_READ_ONLY_MEMORY
;
867 resource
->data
.memory32
.minimum
= p
->start
;
868 resource
->data
.memory32
.maximum
= p
->end
;
869 resource
->data
.memory32
.alignment
= 0;
870 resource
->data
.memory32
.address_length
= p
->end
- p
->start
+ 1;
873 static void pnpacpi_encode_fixed_mem32(struct acpi_resource
*resource
,
876 resource
->data
.fixed_memory32
.write_protect
=
877 (p
->flags
& IORESOURCE_MEM_WRITEABLE
) ?
878 ACPI_READ_WRITE_MEMORY
: ACPI_READ_ONLY_MEMORY
;
879 resource
->data
.fixed_memory32
.address
= p
->start
;
880 resource
->data
.fixed_memory32
.address_length
= p
->end
- p
->start
+ 1;
883 int pnpacpi_encode_resources(struct pnp_resource_table
*res_table
,
884 struct acpi_buffer
*buffer
)
887 /* pnpacpi_build_resource_template allocates extra mem */
888 int res_cnt
= (buffer
->length
- 1) / sizeof(struct acpi_resource
) - 1;
889 struct acpi_resource
*resource
=
890 (struct acpi_resource
*)buffer
->pointer
;
891 int port
= 0, irq
= 0, dma
= 0, mem
= 0;
893 pnp_dbg("res cnt %d", res_cnt
);
894 while (i
< res_cnt
) {
895 switch (resource
->type
) {
896 case ACPI_RESOURCE_TYPE_IRQ
:
897 pnp_dbg("Encode irq");
898 pnpacpi_encode_irq(resource
,
899 &res_table
->irq_resource
[irq
]);
903 case ACPI_RESOURCE_TYPE_DMA
:
904 pnp_dbg("Encode dma");
905 pnpacpi_encode_dma(resource
,
906 &res_table
->dma_resource
[dma
]);
909 case ACPI_RESOURCE_TYPE_IO
:
910 pnp_dbg("Encode io");
911 pnpacpi_encode_io(resource
,
912 &res_table
->port_resource
[port
]);
915 case ACPI_RESOURCE_TYPE_FIXED_IO
:
916 pnp_dbg("Encode fixed io");
917 pnpacpi_encode_fixed_io(resource
,
919 port_resource
[port
]);
922 case ACPI_RESOURCE_TYPE_MEMORY24
:
923 pnp_dbg("Encode mem24");
924 pnpacpi_encode_mem24(resource
,
925 &res_table
->mem_resource
[mem
]);
928 case ACPI_RESOURCE_TYPE_MEMORY32
:
929 pnp_dbg("Encode mem32");
930 pnpacpi_encode_mem32(resource
,
931 &res_table
->mem_resource
[mem
]);
934 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32
:
935 pnp_dbg("Encode fixed mem32");
936 pnpacpi_encode_fixed_mem32(resource
,
941 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ
:
942 pnp_dbg("Encode ext irq");
943 pnpacpi_encode_ext_irq(resource
,
944 &res_table
->irq_resource
[irq
]);
947 case ACPI_RESOURCE_TYPE_START_DEPENDENT
:
948 case ACPI_RESOURCE_TYPE_END_DEPENDENT
:
949 case ACPI_RESOURCE_TYPE_VENDOR
:
950 case ACPI_RESOURCE_TYPE_END_TAG
:
951 case ACPI_RESOURCE_TYPE_ADDRESS16
:
952 case ACPI_RESOURCE_TYPE_ADDRESS32
:
953 case ACPI_RESOURCE_TYPE_ADDRESS64
:
954 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64
:
955 case ACPI_RESOURCE_TYPE_GENERIC_REGISTER
:
956 default: /* other type */
957 pnp_warn("unknown resource type %d", resource
->type
);