84 	struct acpi_pci_link_irq	irq;  member
111 			struct acpi_resource_irq *p = &resource->data.irq;  in acpi_pci_link_check_possible()
126 				link->irq.possible[i] = p->interrupts[i];  in acpi_pci_link_check_possible()
127 				link->irq.possible_count++;  in acpi_pci_link_check_possible()
129 			link->irq.triggering = p->triggering;  in acpi_pci_link_check_possible()
130 			link->irq.polarity = p->polarity;  in acpi_pci_link_check_possible()
131 			link->irq.resource_type = ACPI_RESOURCE_TYPE_IRQ;  in acpi_pci_link_check_possible()
152 				link->irq.possible[i] = p->interrupts[i];  in acpi_pci_link_check_possible()
153 				link->irq.possible_count++;  in acpi_pci_link_check_possible()
155 			link->irq.triggering = p->triggering;  in acpi_pci_link_check_possible()
156 			link->irq.polarity = p->polarity;  in acpi_pci_link_check_possible()
157 			link->irq.resource_type = ACPI_RESOURCE_TYPE_EXTENDED_IRQ;  in acpi_pci_link_check_possible()
182 			  link->irq.possible_count));  in acpi_pci_link_get_possible()
190 	int *irq = context;  in acpi_pci_link_check_current()  local
198 			struct acpi_resource_irq *p = &resource->data.irq;  in acpi_pci_link_check_current()
208 			*irq = p->interrupts[0];  in acpi_pci_link_check_current()
224 			*irq = p->interrupts[0];  in acpi_pci_link_check_current()
248 	int irq = 0;  in acpi_pci_link_get_current()  local
250 	link->irq.active = 0;  in acpi_pci_link_get_current()
272 				     acpi_pci_link_check_current, &irq);  in acpi_pci_link_get_current()
279 	if (acpi_strict && !irq) {  in acpi_pci_link_get_current()
284 	link->irq.active = irq;  in acpi_pci_link_get_current()
286 	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Link at IRQ %d \n", link->irq.active));  in acpi_pci_link_get_current()
292 static int acpi_pci_link_set(struct acpi_pci_link *link, int irq)  in acpi_pci_link_set()  argument
302 	if (!irq)  in acpi_pci_link_set()
312 	switch (link->irq.resource_type) {  in acpi_pci_link_set()
316 		resource->res.data.irq.triggering = link->irq.triggering;  in acpi_pci_link_set()
317 		resource->res.data.irq.polarity =  in acpi_pci_link_set()
318 		    link->irq.polarity;  in acpi_pci_link_set()
319 		if (link->irq.triggering == ACPI_EDGE_SENSITIVE)  in acpi_pci_link_set()
320 			resource->res.data.irq.sharable =  in acpi_pci_link_set()
323 			resource->res.data.irq.sharable = ACPI_SHARED;  in acpi_pci_link_set()
324 		resource->res.data.irq.interrupt_count = 1;  in acpi_pci_link_set()
325 		resource->res.data.irq.interrupts[0] = irq;  in acpi_pci_link_set()
334 		    link->irq.triggering;  in acpi_pci_link_set()
336 		    link->irq.polarity;  in acpi_pci_link_set()
337 		if (link->irq.triggering == ACPI_EDGE_SENSITIVE)  in acpi_pci_link_set()
338 			resource->res.data.irq.sharable =  in acpi_pci_link_set()
341 			resource->res.data.irq.sharable = ACPI_SHARED;  in acpi_pci_link_set()
343 		resource->res.data.extended_irq.interrupts[0] = irq;  in acpi_pci_link_set()
347 		printk(KERN_ERR PREFIX "Invalid Resource_type %d\n", link->irq.resource_type);  in acpi_pci_link_set()
388 	if (link->irq.active != irq) {  in acpi_pci_link_set()
396 			      acpi_device_bid(link->device), link->irq.active, irq);  in acpi_pci_link_set()
397 		link->irq.active = irq;  in acpi_pci_link_set()
400 	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Set IRQ %d\n", link->irq.active));  in acpi_pci_link_set()
470 static int acpi_irq_pci_sharing_penalty(int irq)  in acpi_irq_pci_sharing_penalty()  argument
481 		if (link->irq.active && link->irq.active == irq)  in acpi_irq_pci_sharing_penalty()
487 		for (i = 0; i < link->irq.possible_count; i++)  in acpi_irq_pci_sharing_penalty()
488 			if (link->irq.possible[i] == irq)  in acpi_irq_pci_sharing_penalty()
490 					link->irq.possible_count;  in acpi_irq_pci_sharing_penalty()
496 static int acpi_irq_get_penalty(int irq)  in acpi_irq_get_penalty()  argument
500 	if (irq == sci_irq)  in acpi_irq_get_penalty()
503 	if (irq < ACPI_MAX_ISA_IRQS)  in acpi_irq_get_penalty()
504 		return penalty + acpi_isa_irq_penalty[irq];  in acpi_irq_get_penalty()
506 	return penalty + acpi_irq_pci_sharing_penalty(irq);  in acpi_irq_get_penalty()
523 		if (link->irq.possible_count) {  in acpi_irq_penalty_init()
526 			    link->irq.possible_count;  in acpi_irq_penalty_init()
528 			for (i = 0; i < link->irq.possible_count; i++) {  in acpi_irq_penalty_init()
529 				if (link->irq.possible[i] < ACPI_MAX_ISA_IRQS)  in acpi_irq_penalty_init()
530 					acpi_isa_irq_penalty[link->irq.  in acpi_irq_penalty_init()
535 		} else if (link->irq.active &&  in acpi_irq_penalty_init()
536 				(link->irq.active < ACPI_MAX_ISA_IRQS)) {  in acpi_irq_penalty_init()
537 			acpi_isa_irq_penalty[link->irq.active] +=  in acpi_irq_penalty_init()
549 	int irq;  in acpi_pci_link_allocate()  local
552 	if (link->irq.initialized) {  in acpi_pci_link_allocate()
555 			acpi_pci_link_set(link, link->irq.active);  in acpi_pci_link_allocate()
562 	for (i = 0; i < link->irq.possible_count; ++i) {  in acpi_pci_link_allocate()
563 		if (link->irq.active == link->irq.possible[i])  in acpi_pci_link_allocate()
569 	if (i == link->irq.possible_count) {  in acpi_pci_link_allocate()
572 				      " in _PRS\n", link->irq.active);  in acpi_pci_link_allocate()
573 		link->irq.active = 0;  in acpi_pci_link_allocate()
579 	if (link->irq.active)  in acpi_pci_link_allocate()
580 		irq = link->irq.active;  in acpi_pci_link_allocate()
582 		irq = link->irq.possible[link->irq.possible_count - 1];  in acpi_pci_link_allocate()
584 	if (acpi_irq_balance || !link->irq.active) {  in acpi_pci_link_allocate()
589 		for (i = (link->irq.possible_count - 1); i >= 0; i--) {  in acpi_pci_link_allocate()
590 			if (acpi_irq_get_penalty(irq) >  in acpi_pci_link_allocate()
591 			    acpi_irq_get_penalty(link->irq.possible[i]))  in acpi_pci_link_allocate()
592 				irq = link->irq.possible[i];  in acpi_pci_link_allocate()
595 	if (acpi_irq_get_penalty(irq) >= PIRQ_PENALTY_ISA_ALWAYS) {  in acpi_pci_link_allocate()
604 	if (acpi_pci_link_set(link, irq)) {  in acpi_pci_link_allocate()
611 		if (link->irq.active < ACPI_MAX_ISA_IRQS)  in acpi_pci_link_allocate()
612 			acpi_isa_irq_penalty[link->irq.active] +=  in acpi_pci_link_allocate()
617 		       acpi_device_bid(link->device), link->irq.active);  in acpi_pci_link_allocate()
620 	link->irq.initialized = 1;  in acpi_pci_link_allocate()
660 	if (!link->irq.active) {  in acpi_pci_link_allocate_irq()
669 		*triggering = link->irq.triggering;  in acpi_pci_link_allocate_irq()
671 		*polarity = link->irq.polarity;  in acpi_pci_link_allocate_irq()
677 	return (link->irq.active);  in acpi_pci_link_allocate_irq()
703 	if (!link->irq.initialized) {  in acpi_pci_link_free_irq()
728 	return (link->irq.active);  in acpi_pci_link_free_irq()
762 	for (i = 0; i < link->irq.possible_count; i++) {  in acpi_pci_link_add()
763 		if (link->irq.active == link->irq.possible[i]) {  in acpi_pci_link_add()
764 			printk(KERN_CONT " *%d", link->irq.possible[i]);  in acpi_pci_link_add()
767 			printk(KERN_CONT " %d", link->irq.possible[i]);  in acpi_pci_link_add()
773 		printk(KERN_CONT " *%d", link->irq.active);  in acpi_pci_link_add()
795 	if (link->refcnt && link->irq.active && link->irq.initialized)  in acpi_pci_link_resume()
796 		return (acpi_pci_link_set(link, link->irq.active));  in acpi_pci_link_resume()
832 		int irq;  in acpi_irq_penalty_update()  local
835 		retval = get_option(&str, &irq);  in acpi_irq_penalty_update()
841 		if ((irq < 0) || (irq >= ACPI_MAX_ISA_IRQS))  in acpi_irq_penalty_update()
845 			new_penalty = acpi_isa_irq_penalty[irq] +  in acpi_irq_penalty_update()
850 		acpi_isa_irq_penalty[irq] = new_penalty;  in acpi_irq_penalty_update()
864 void acpi_penalize_isa_irq(int irq, int active)  in acpi_penalize_isa_irq()  argument
866 	if ((irq >= 0) && (irq < ARRAY_SIZE(acpi_isa_irq_penalty)))  in acpi_penalize_isa_irq()
867 		acpi_isa_irq_penalty[irq] +=  in acpi_penalize_isa_irq()
871 bool acpi_isa_irq_available(int irq)  in acpi_isa_irq_available()  argument
873 	return irq >= 0 && (irq >= ARRAY_SIZE(acpi_isa_irq_penalty) ||  in acpi_isa_irq_available()
874 		    acpi_irq_get_penalty(irq) < PIRQ_PENALTY_ISA_ALWAYS);  in acpi_isa_irq_available()
877 void acpi_penalize_sci_irq(int irq, int trigger, int polarity)  in acpi_penalize_sci_irq()  argument
879 	sci_irq = irq;  in acpi_penalize_sci_irq()