Lines Matching refs:irq
26 #include <linux/irq.h>
53 * later even the link is disable. Instead, we just repick the active irq
69 struct acpi_pci_link_irq irq;
96 struct acpi_resource_irq *p = &resource->data.irq;
111 link->irq.possible[i] = p->interrupts[i];
112 link->irq.possible_count++;
114 link->irq.triggering = p->triggering;
115 link->irq.polarity = p->polarity;
116 link->irq.resource_type = ACPI_RESOURCE_TYPE_IRQ;
137 link->irq.possible[i] = p->interrupts[i];
138 link->irq.possible_count++;
140 link->irq.triggering = p->triggering;
141 link->irq.polarity = p->polarity;
142 link->irq.resource_type = ACPI_RESOURCE_TYPE_EXTENDED_IRQ;
167 link->irq.possible_count));
175 int *irq = context;
183 struct acpi_resource_irq *p = &resource->data.irq;
193 *irq = p->interrupts[0];
209 *irq = p->interrupts[0];
223 * Run _CRS and set link->irq.active
233 int irq = 0;
235 link->irq.active = 0;
257 acpi_pci_link_check_current, &irq);
264 if (acpi_strict && !irq) {
269 link->irq.active = irq;
271 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Link at IRQ %d \n", link->irq.active));
277 static int acpi_pci_link_set(struct acpi_pci_link *link, int irq)
287 if (!irq)
297 switch (link->irq.resource_type) {
301 resource->res.data.irq.triggering = link->irq.triggering;
302 resource->res.data.irq.polarity =
303 link->irq.polarity;
304 if (link->irq.triggering == ACPI_EDGE_SENSITIVE)
305 resource->res.data.irq.shareable =
308 resource->res.data.irq.shareable = ACPI_SHARED;
309 resource->res.data.irq.interrupt_count = 1;
310 resource->res.data.irq.interrupts[0] = irq;
319 link->irq.triggering;
321 link->irq.polarity;
322 if (link->irq.triggering == ACPI_EDGE_SENSITIVE)
328 resource->res.data.extended_irq.interrupts[0] = irq;
332 printk(KERN_ERR PREFIX "Invalid Resource_type %d\n", link->irq.resource_type);
363 /* Query _CRS, set link->irq.active */
371 * set link->irq.active
373 if (link->irq.active != irq) {
381 acpi_device_bid(link->device), link->irq.active, irq);
382 link->irq.active = irq;
385 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Set IRQ %d\n", link->irq.active));
455 static int acpi_irq_pci_sharing_penalty(int irq)
466 if (link->irq.active && link->irq.active == irq)
472 for (i = 0; i < link->irq.possible_count; i++)
473 if (link->irq.possible[i] == irq)
475 link->irq.possible_count;
481 static int acpi_irq_get_penalty(int irq)
485 if (irq == sci_irq)
488 if (irq < ACPI_MAX_ISA_IRQS)
489 return penalty + acpi_isa_irq_penalty[irq];
491 return penalty + acpi_irq_pci_sharing_penalty(irq);
508 if (link->irq.possible_count) {
511 link->irq.possible_count;
513 for (i = 0; i < link->irq.possible_count; i++) {
514 if (link->irq.possible[i] < ACPI_MAX_ISA_IRQS)
515 acpi_isa_irq_penalty[link->irq.
520 } else if (link->irq.active &&
521 (link->irq.active < ACPI_MAX_ISA_IRQS)) {
522 acpi_isa_irq_penalty[link->irq.active] +=
534 int irq;
537 if (link->irq.initialized) {
540 acpi_pci_link_set(link, link->irq.active);
547 for (i = 0; i < link->irq.possible_count; ++i) {
548 if (link->irq.active == link->irq.possible[i])
554 if (i == link->irq.possible_count) {
557 " in _PRS\n", link->irq.active);
558 link->irq.active = 0;
564 if (link->irq.active)
565 irq = link->irq.active;
567 irq = link->irq.possible[link->irq.possible_count - 1];
569 if (acpi_irq_balance || !link->irq.active) {
574 for (i = (link->irq.possible_count - 1); i >= 0; i--) {
575 if (acpi_irq_get_penalty(irq) >
576 acpi_irq_get_penalty(link->irq.possible[i]))
577 irq = link->irq.possible[i];
580 if (acpi_irq_get_penalty(irq) >= PIRQ_PENALTY_ISA_ALWAYS) {
589 if (acpi_pci_link_set(link, irq)) {
596 if (link->irq.active < ACPI_MAX_ISA_IRQS)
597 acpi_isa_irq_penalty[link->irq.active] +=
602 acpi_device_bid(link->device), link->irq.active);
605 link->irq.initialized = 1;
645 if (!link->irq.active) {
654 *triggering = link->irq.triggering;
656 *polarity = link->irq.polarity;
662 return link->irq.active;
666 * We don't change link's irq information here. After it is reenabled, we
688 if (!link->irq.initialized) {
713 return link->irq.active;
742 /* query and set link->irq.active */
747 for (i = 0; i < link->irq.possible_count; i++) {
748 if (link->irq.active == link->irq.possible[i]) {
749 printk(KERN_CONT " *%d", link->irq.possible[i]);
752 printk(KERN_CONT " %d", link->irq.possible[i]);
758 printk(KERN_CONT " *%d", link->irq.active);
780 if (link->refcnt && link->irq.active && link->irq.initialized)
781 return (acpi_pci_link_set(link, link->irq.active));
817 int irq;
820 retval = get_option(&str, &irq);
826 if ((irq < 0) || (irq >= ACPI_MAX_ISA_IRQS))
830 new_penalty = acpi_isa_irq_penalty[irq] +
835 acpi_isa_irq_penalty[irq] = new_penalty;
849 void acpi_penalize_isa_irq(int irq, int active)
851 if ((irq >= 0) && (irq < ARRAY_SIZE(acpi_isa_irq_penalty)))
852 acpi_isa_irq_penalty[irq] +=
856 bool acpi_isa_irq_available(int irq)
858 return irq >= 0 && (irq >= ARRAY_SIZE(acpi_isa_irq_penalty) ||
859 acpi_irq_get_penalty(irq) < PIRQ_PENALTY_ISA_ALWAYS);
862 void acpi_penalize_sci_irq(int irq, int trigger, int polarity)
864 sci_irq = irq;