Lines Matching refs:link
104 struct acpi_pci_link *link = context; in acpi_pci_link_check_possible() local
128 link->irq.possible[i] = p->interrupts[i]; in acpi_pci_link_check_possible()
129 link->irq.possible_count++; in acpi_pci_link_check_possible()
131 link->irq.triggering = p->triggering; in acpi_pci_link_check_possible()
132 link->irq.polarity = p->polarity; in acpi_pci_link_check_possible()
133 link->irq.resource_type = ACPI_RESOURCE_TYPE_IRQ; in acpi_pci_link_check_possible()
154 link->irq.possible[i] = p->interrupts[i]; in acpi_pci_link_check_possible()
155 link->irq.possible_count++; in acpi_pci_link_check_possible()
157 link->irq.triggering = p->triggering; in acpi_pci_link_check_possible()
158 link->irq.polarity = p->polarity; in acpi_pci_link_check_possible()
159 link->irq.resource_type = ACPI_RESOURCE_TYPE_EXTENDED_IRQ; in acpi_pci_link_check_possible()
171 static int acpi_pci_link_get_possible(struct acpi_pci_link *link) in acpi_pci_link_get_possible() argument
175 status = acpi_walk_resources(link->device->handle, METHOD_NAME__PRS, in acpi_pci_link_get_possible()
176 acpi_pci_link_check_possible, link); in acpi_pci_link_get_possible()
184 link->irq.possible_count)); in acpi_pci_link_get_possible()
246 static int acpi_pci_link_get_current(struct acpi_pci_link *link) in acpi_pci_link_get_current() argument
252 link->irq.active = 0; in acpi_pci_link_get_current()
257 result = acpi_bus_get_status(link->device); in acpi_pci_link_get_current()
263 if (!link->device->status.enabled) { in acpi_pci_link_get_current()
273 status = acpi_walk_resources(link->device->handle, METHOD_NAME__CRS, in acpi_pci_link_get_current()
286 link->irq.active = irq; in acpi_pci_link_get_current()
288 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Link at IRQ %d \n", link->irq.active)); in acpi_pci_link_get_current()
294 static int acpi_pci_link_set(struct acpi_pci_link *link, int irq) in acpi_pci_link_set() argument
314 switch (link->irq.resource_type) { in acpi_pci_link_set()
318 resource->res.data.irq.triggering = link->irq.triggering; in acpi_pci_link_set()
320 link->irq.polarity; in acpi_pci_link_set()
321 if (link->irq.triggering == ACPI_EDGE_SENSITIVE) in acpi_pci_link_set()
336 link->irq.triggering; in acpi_pci_link_set()
338 link->irq.polarity; in acpi_pci_link_set()
339 if (link->irq.triggering == ACPI_EDGE_SENSITIVE) in acpi_pci_link_set()
349 printk(KERN_ERR PREFIX "Invalid Resource_type %d\n", link->irq.resource_type); in acpi_pci_link_set()
358 status = acpi_set_current_resources(link->device->handle, &buffer); in acpi_pci_link_set()
368 result = acpi_bus_get_status(link->device); in acpi_pci_link_set()
373 if (!link->device->status.enabled) { in acpi_pci_link_set()
376 acpi_device_name(link->device), in acpi_pci_link_set()
377 acpi_device_bid(link->device)); in acpi_pci_link_set()
381 result = acpi_pci_link_get_current(link); in acpi_pci_link_set()
390 if (link->irq.active != irq) { in acpi_pci_link_set()
397 acpi_device_name(link->device), in acpi_pci_link_set()
398 acpi_device_bid(link->device), link->irq.active, irq); in acpi_pci_link_set()
399 link->irq.active = irq; in acpi_pci_link_set()
402 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Set IRQ %d\n", link->irq.active)); in acpi_pci_link_set()
476 struct acpi_pci_link *link; in acpi_irq_penalty_init() local
482 list_for_each_entry(link, &acpi_link_list, list) { in acpi_irq_penalty_init()
488 if (link->irq.possible_count) { in acpi_irq_penalty_init()
491 link->irq.possible_count; in acpi_irq_penalty_init()
493 for (i = 0; i < link->irq.possible_count; i++) { in acpi_irq_penalty_init()
494 if (link->irq.possible[i] < ACPI_MAX_ISA_IRQ) in acpi_irq_penalty_init()
495 acpi_irq_penalty[link->irq. in acpi_irq_penalty_init()
500 } else if (link->irq.active) { in acpi_irq_penalty_init()
501 acpi_irq_penalty[link->irq.active] += in acpi_irq_penalty_init()
512 static int acpi_pci_link_allocate(struct acpi_pci_link *link) in acpi_pci_link_allocate() argument
517 if (link->irq.initialized) { in acpi_pci_link_allocate()
518 if (link->refcnt == 0) in acpi_pci_link_allocate()
520 acpi_pci_link_set(link, link->irq.active); in acpi_pci_link_allocate()
527 for (i = 0; i < link->irq.possible_count; ++i) { in acpi_pci_link_allocate()
528 if (link->irq.active == link->irq.possible[i]) in acpi_pci_link_allocate()
534 if (i == link->irq.possible_count) { in acpi_pci_link_allocate()
537 " in _PRS\n", link->irq.active); in acpi_pci_link_allocate()
538 link->irq.active = 0; in acpi_pci_link_allocate()
544 if (link->irq.active) in acpi_pci_link_allocate()
545 irq = link->irq.active; in acpi_pci_link_allocate()
547 irq = link->irq.possible[link->irq.possible_count - 1]; in acpi_pci_link_allocate()
549 if (acpi_irq_balance || !link->irq.active) { in acpi_pci_link_allocate()
554 for (i = (link->irq.possible_count - 1); i >= 0; i--) { in acpi_pci_link_allocate()
556 acpi_irq_penalty[link->irq.possible[i]]) in acpi_pci_link_allocate()
557 irq = link->irq.possible[i]; in acpi_pci_link_allocate()
562 if (acpi_pci_link_set(link, irq)) { in acpi_pci_link_allocate()
565 acpi_device_name(link->device), in acpi_pci_link_allocate()
566 acpi_device_bid(link->device)); in acpi_pci_link_allocate()
569 acpi_irq_penalty[link->irq.active] += PIRQ_PENALTY_PCI_USING; in acpi_pci_link_allocate()
571 acpi_device_name(link->device), in acpi_pci_link_allocate()
572 acpi_device_bid(link->device), link->irq.active); in acpi_pci_link_allocate()
575 link->irq.initialized = 1; in acpi_pci_link_allocate()
589 struct acpi_pci_link *link; in acpi_pci_link_allocate_irq() local
597 link = acpi_driver_data(device); in acpi_pci_link_allocate_irq()
598 if (!link) { in acpi_pci_link_allocate_irq()
610 if (acpi_pci_link_allocate(link)) { in acpi_pci_link_allocate_irq()
615 if (!link->irq.active) { in acpi_pci_link_allocate_irq()
620 link->refcnt++; in acpi_pci_link_allocate_irq()
624 *triggering = link->irq.triggering; in acpi_pci_link_allocate_irq()
626 *polarity = link->irq.polarity; in acpi_pci_link_allocate_irq()
628 *name = acpi_device_bid(link->device); in acpi_pci_link_allocate_irq()
631 acpi_device_bid(link->device))); in acpi_pci_link_allocate_irq()
632 return (link->irq.active); in acpi_pci_link_allocate_irq()
642 struct acpi_pci_link *link; in acpi_pci_link_free_irq() local
651 link = acpi_driver_data(device); in acpi_pci_link_free_irq()
652 if (!link) { in acpi_pci_link_free_irq()
658 if (!link->irq.initialized) { in acpi_pci_link_free_irq()
673 link->refcnt--; in acpi_pci_link_free_irq()
677 acpi_device_bid(link->device))); in acpi_pci_link_free_irq()
679 if (link->refcnt == 0) in acpi_pci_link_free_irq()
680 acpi_evaluate_object(link->device->handle, "_DIS", NULL, NULL); in acpi_pci_link_free_irq()
683 return (link->irq.active); in acpi_pci_link_free_irq()
694 struct acpi_pci_link *link; in acpi_pci_link_add() local
698 link = kzalloc(sizeof(struct acpi_pci_link), GFP_KERNEL); in acpi_pci_link_add()
699 if (!link) in acpi_pci_link_add()
702 link->device = device; in acpi_pci_link_add()
705 device->driver_data = link; in acpi_pci_link_add()
708 result = acpi_pci_link_get_possible(link); in acpi_pci_link_add()
713 acpi_pci_link_get_current(link); in acpi_pci_link_add()
717 for (i = 0; i < link->irq.possible_count; i++) { in acpi_pci_link_add()
718 if (link->irq.active == link->irq.possible[i]) { in acpi_pci_link_add()
719 printk(KERN_CONT " *%d", link->irq.possible[i]); in acpi_pci_link_add()
722 printk(KERN_CONT " %d", link->irq.possible[i]); in acpi_pci_link_add()
728 printk(KERN_CONT " *%d", link->irq.active); in acpi_pci_link_add()
730 if (!link->device->status.enabled) in acpi_pci_link_add()
735 list_add_tail(&link->list, &acpi_link_list); in acpi_pci_link_add()
743 kfree(link); in acpi_pci_link_add()
748 static int acpi_pci_link_resume(struct acpi_pci_link *link) in acpi_pci_link_resume() argument
750 if (link->refcnt && link->irq.active && link->irq.initialized) in acpi_pci_link_resume()
751 return (acpi_pci_link_set(link, link->irq.active)); in acpi_pci_link_resume()
758 struct acpi_pci_link *link; in irqrouter_resume() local
760 list_for_each_entry(link, &acpi_link_list, list) { in irqrouter_resume()
761 acpi_pci_link_resume(link); in irqrouter_resume()
767 struct acpi_pci_link *link; in acpi_pci_link_remove() local
769 link = acpi_driver_data(device); in acpi_pci_link_remove()
772 list_del(&link->list); in acpi_pci_link_remove()
775 kfree(link); in acpi_pci_link_remove()