69 	struct acpi_pci_link_irq	irq;  member
97 			struct acpi_resource_irq *p = &resource->data.irq;  in acpi_pci_link_check_possible()
112 				link->irq.possible[i] = p->interrupts[i];  in acpi_pci_link_check_possible()
113 				link->irq.possible_count++;  in acpi_pci_link_check_possible()
115 			link->irq.triggering = p->triggering;  in acpi_pci_link_check_possible()
116 			link->irq.polarity = p->polarity;  in acpi_pci_link_check_possible()
117 			link->irq.resource_type = ACPI_RESOURCE_TYPE_IRQ;  in acpi_pci_link_check_possible()
138 				link->irq.possible[i] = p->interrupts[i];  in acpi_pci_link_check_possible()
139 				link->irq.possible_count++;  in acpi_pci_link_check_possible()
141 			link->irq.triggering = p->triggering;  in acpi_pci_link_check_possible()
142 			link->irq.polarity = p->polarity;  in acpi_pci_link_check_possible()
143 			link->irq.resource_type = ACPI_RESOURCE_TYPE_EXTENDED_IRQ;  in acpi_pci_link_check_possible()
168 			  link->irq.possible_count);  in acpi_pci_link_get_possible()
176 	int *irq = context;  in acpi_pci_link_check_current()  local
184 			struct acpi_resource_irq *p = &resource->data.irq;  in acpi_pci_link_check_current()
193 			*irq = p->interrupts[0];  in acpi_pci_link_check_current()
208 			*irq = p->interrupts[0];  in acpi_pci_link_check_current()
233 	int irq = 0;  in acpi_pci_link_get_current()  local
235 	link->irq.active = 0;  in acpi_pci_link_get_current()
257 				     acpi_pci_link_check_current, &irq);  in acpi_pci_link_get_current()
264 	if (acpi_strict && !irq) {  in acpi_pci_link_get_current()
269 	link->irq.active = irq;  in acpi_pci_link_get_current()
271 	acpi_handle_debug(handle, "Link at IRQ %d \n", link->irq.active);  in acpi_pci_link_get_current()
277 static int acpi_pci_link_set(struct acpi_pci_link *link, int irq)  in acpi_pci_link_set()  argument
288 	if (!irq)  in acpi_pci_link_set()
298 	switch (link->irq.resource_type) {  in acpi_pci_link_set()
302 		resource->res.data.irq.triggering = link->irq.triggering;  in acpi_pci_link_set()
303 		resource->res.data.irq.polarity =  in acpi_pci_link_set()
304 		    link->irq.polarity;  in acpi_pci_link_set()
305 		if (link->irq.triggering == ACPI_EDGE_SENSITIVE)  in acpi_pci_link_set()
306 			resource->res.data.irq.shareable =  in acpi_pci_link_set()
309 			resource->res.data.irq.shareable = ACPI_SHARED;  in acpi_pci_link_set()
310 		resource->res.data.irq.interrupt_count = 1;  in acpi_pci_link_set()
311 		resource->res.data.irq.interrupts[0] = irq;  in acpi_pci_link_set()
320 		    link->irq.triggering;  in acpi_pci_link_set()
322 		    link->irq.polarity;  in acpi_pci_link_set()
323 		if (link->irq.triggering == ACPI_EDGE_SENSITIVE)  in acpi_pci_link_set()
329 		resource->res.data.extended_irq.interrupts[0] = irq;  in acpi_pci_link_set()
334 				link->irq.resource_type);  in acpi_pci_link_set()
371 	if (link->irq.active != irq) {  in acpi_pci_link_set()
377 				 link->irq.active, irq);  in acpi_pci_link_set()
378 		link->irq.active = irq;  in acpi_pci_link_set()
381 	acpi_handle_debug(handle, "Set IRQ %d\n", link->irq.active);  in acpi_pci_link_set()
451 static int acpi_irq_pci_sharing_penalty(int irq)  in acpi_irq_pci_sharing_penalty()  argument
462 		if (link->irq.active && link->irq.active == irq)  in acpi_irq_pci_sharing_penalty()
468 		for (i = 0; i < link->irq.possible_count; i++)  in acpi_irq_pci_sharing_penalty()
469 			if (link->irq.possible[i] == irq)  in acpi_irq_pci_sharing_penalty()
471 					link->irq.possible_count;  in acpi_irq_pci_sharing_penalty()
477 static int acpi_irq_get_penalty(int irq)  in acpi_irq_get_penalty()  argument
481 	if (irq == sci_irq)  in acpi_irq_get_penalty()
484 	if (irq < ACPI_MAX_ISA_IRQS)  in acpi_irq_get_penalty()
485 		return penalty + acpi_isa_irq_penalty[irq];  in acpi_irq_get_penalty()
487 	return penalty + acpi_irq_pci_sharing_penalty(irq);  in acpi_irq_get_penalty()
504 		if (link->irq.possible_count) {  in acpi_irq_penalty_init()
507 			    link->irq.possible_count;  in acpi_irq_penalty_init()
509 			for (i = 0; i < link->irq.possible_count; i++) {  in acpi_irq_penalty_init()
510 				if (link->irq.possible[i] < ACPI_MAX_ISA_IRQS)  in acpi_irq_penalty_init()
511 					acpi_isa_irq_penalty[link->irq.  in acpi_irq_penalty_init()
516 		} else if (link->irq.active &&  in acpi_irq_penalty_init()
517 				(link->irq.active < ACPI_MAX_ISA_IRQS)) {  in acpi_irq_penalty_init()
518 			acpi_isa_irq_penalty[link->irq.active] +=  in acpi_irq_penalty_init()
531 	int irq;  in acpi_pci_link_allocate()  local
534 	if (link->irq.initialized) {  in acpi_pci_link_allocate()
537 			acpi_pci_link_set(link, link->irq.active);  in acpi_pci_link_allocate()
544 	for (i = 0; i < link->irq.possible_count; ++i) {  in acpi_pci_link_allocate()
545 		if (link->irq.active == link->irq.possible[i])  in acpi_pci_link_allocate()
551 	if (i == link->irq.possible_count) {  in acpi_pci_link_allocate()
554 					 link->irq.active);  in acpi_pci_link_allocate()
555 		link->irq.active = 0;  in acpi_pci_link_allocate()
561 	if (link->irq.active)  in acpi_pci_link_allocate()
562 		irq = link->irq.active;  in acpi_pci_link_allocate()
564 		irq = link->irq.possible[link->irq.possible_count - 1];  in acpi_pci_link_allocate()
566 	if (acpi_irq_balance || !link->irq.active) {  in acpi_pci_link_allocate()
571 		for (i = (link->irq.possible_count - 1); i >= 0; i--) {  in acpi_pci_link_allocate()
572 			if (acpi_irq_get_penalty(irq) >  in acpi_pci_link_allocate()
573 			    acpi_irq_get_penalty(link->irq.possible[i]))  in acpi_pci_link_allocate()
574 				irq = link->irq.possible[i];  in acpi_pci_link_allocate()
577 	if (acpi_irq_get_penalty(irq) >= PIRQ_PENALTY_ISA_ALWAYS) {  in acpi_pci_link_allocate()
584 	if (acpi_pci_link_set(link, irq)) {  in acpi_pci_link_allocate()
589 		if (link->irq.active < ACPI_MAX_ISA_IRQS)  in acpi_pci_link_allocate()
590 			acpi_isa_irq_penalty[link->irq.active] +=  in acpi_pci_link_allocate()
594 				 link->irq.active);  in acpi_pci_link_allocate()
597 	link->irq.initialized = 1;  in acpi_pci_link_allocate()
635 	if (!link->irq.active) {  in acpi_pci_link_allocate_irq()
644 		*triggering = link->irq.triggering;  in acpi_pci_link_allocate_irq()
646 		*polarity = link->irq.polarity;  in acpi_pci_link_allocate_irq()
650 	return link->irq.active;  in acpi_pci_link_allocate_irq()
674 	if (!link->irq.initialized) {  in acpi_pci_link_free_irq()
697 	return link->irq.active;  in acpi_pci_link_free_irq()
730 		acpi_device_bid(device), link->irq.active);  in acpi_pci_link_add()
732 	for (i = 0; i < link->irq.possible_count; i++) {  in acpi_pci_link_add()
733 		if (link->irq.active != link->irq.possible[i])  in acpi_pci_link_add()
735 					  link->irq.possible[i]);  in acpi_pci_link_add()
756 	if (link->refcnt && link->irq.active && link->irq.initialized)  in acpi_pci_link_resume()
757 		return (acpi_pci_link_set(link, link->irq.active));  in acpi_pci_link_resume()
793 		int irq;  in acpi_irq_penalty_update()  local
796 		retval = get_option(&str, &irq);  in acpi_irq_penalty_update()
802 		if ((irq < 0) || (irq >= ACPI_MAX_ISA_IRQS))  in acpi_irq_penalty_update()
806 			new_penalty = acpi_isa_irq_penalty[irq] +  in acpi_irq_penalty_update()
811 		acpi_isa_irq_penalty[irq] = new_penalty;  in acpi_irq_penalty_update()
825 void acpi_penalize_isa_irq(int irq, int active)  in acpi_penalize_isa_irq()  argument
827 	if ((irq >= 0) && (irq < ARRAY_SIZE(acpi_isa_irq_penalty)))  in acpi_penalize_isa_irq()
828 		acpi_isa_irq_penalty[irq] +=  in acpi_penalize_isa_irq()
832 bool acpi_isa_irq_available(int irq)  in acpi_isa_irq_available()  argument
834 	return irq >= 0 && (irq >= ARRAY_SIZE(acpi_isa_irq_penalty) ||  in acpi_isa_irq_available()
835 		    acpi_irq_get_penalty(irq) < PIRQ_PENALTY_ISA_ALWAYS);  in acpi_isa_irq_available()
838 void acpi_penalize_sci_irq(int irq, int trigger, int polarity)  in acpi_penalize_sci_irq()  argument
840 	sci_irq = irq;  in acpi_penalize_sci_irq()