133 				DBG(" %d:%02x/%04x", j, e->irq[j].link, e->irq[j].bitmap);  in pirq_peer_trick()
152 void elcr_set_level_irq(unsigned int irq)  in elcr_set_level_irq()  argument
154 	unsigned char mask = 1 << (irq & 7);  in elcr_set_level_irq()
155 	unsigned int port = 0x4d0 + (irq >> 3);  in elcr_set_level_irq()
159 	if (irq >= 16 || (1 << irq) & elcr_irq_mask)  in elcr_set_level_irq()
162 	elcr_irq_mask |= (1 << irq);  in elcr_set_level_irq()
163 	printk(KERN_DEBUG "PCI: setting IRQ %u as level-triggered\n", irq);  in elcr_set_level_irq()
208 static int pirq_ali_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_ali_set()  argument
211 	unsigned int val = irqmap[irq];  in pirq_ali_set()
233 static int pirq_piix_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_piix_set()  argument
235 	pci_write_config_byte(router, pirq, irq);  in pirq_piix_set()
249 static int pirq_via_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_via_set()  argument
251 	write_config_nybble(router, 0x55, pirq == 4 ? 5 : pirq, irq);  in pirq_via_set()
268 static int pirq_via586_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_via586_set()  argument
273 	write_config_nybble(router, 0x55, pirqmap[pirq-1], irq);  in pirq_via586_set()
290 static int pirq_ite_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_ite_set()  argument
295 	write_config_nybble(router, 0x43, pirqmap[pirq-1], irq);  in pirq_ite_set()
308 static int pirq_opti_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_opti_set()  argument
310 	write_config_nybble(router, 0xb8, pirq >> 4, irq);  in pirq_opti_set()
324 static int pirq_cyrix_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_cyrix_set()  argument
326 	write_config_nybble(router, 0x5C, (pirq-1)^1, irq);  in pirq_cyrix_set()
407 static int pirq_sis_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_sis_set()  argument
417 	x |= irq ? irq: PIRQ_SIS_IRQ_DISABLE;  in pirq_sis_set()
441 static int pirq_vlsi_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_vlsi_set()  argument
448 	write_config_nybble(router, 0x74, pirq-1, irq);  in pirq_vlsi_set()
470 	int pirq, int irq)  in pirq_serverworks_set()  argument
473 	outb(irq, 0xc01);  in pirq_serverworks_set()
487 	u8 irq;  in pirq_amd756_get()  local
488 	irq = 0;  in pirq_amd756_get()
490 		irq = read_config_nybble(router, 0x56, pirq - 1);  in pirq_amd756_get()
493 		 dev->vendor, dev->device, pirq, irq);  in pirq_amd756_get()
494 	return irq;  in pirq_amd756_get()
497 static int pirq_amd756_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_amd756_set()  argument
501 		 dev->vendor, dev->device, pirq, irq);  in pirq_amd756_set()
503 		write_config_nybble(router, 0x56, pirq - 1, irq);  in pirq_amd756_set()
517 			int irq)  in pirq_pico_set()  argument
522 	x = ((pirq - 1) & 1) ? ((x & 0x0f) | (irq << 4)) : ((x & 0xf0) | (irq));  in pirq_pico_set()
529 static int pirq_bios_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_bios_set()  argument
533 	return pcibios_set_irq_routing(bridge, pin - 1, irq);  in pirq_bios_set()
884 	int irq = 0;  in pcibios_lookup_irq()  local
911 	pirq = info->irq[pin - 1].link;  in pcibios_lookup_irq()
912 	mask = info->irq[pin - 1].bitmap;  in pcibios_lookup_irq()
924 	if (broken_hp_bios_irq9 && pirq == 0x59 && dev->irq == 9) {  in pcibios_lookup_irq()
925 		dev->irq = 11;  in pcibios_lookup_irq()
931 	if (acer_tm360_irqrouting && dev->irq == 11 &&  in pcibios_lookup_irq()
935 		dev->irq = r->get(pirq_router_dev, dev, pirq);  in pcibios_lookup_irq()
936 		pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);  in pcibios_lookup_irq()
943 	newirq = dev->irq;  in pcibios_lookup_irq()
964 		irq = pirq & 0xf;  in pcibios_lookup_irq()
966 	} else if (r->get && (irq = r->get(pirq_router_dev, dev, pirq)) && \  in pcibios_lookup_irq()
967 	((!(pci_probe & PCI_USE_PIRQ_MASK)) || ((1 << irq) & mask))) {  in pcibios_lookup_irq()
969 		elcr_set_level_irq(irq);  in pcibios_lookup_irq()
975 			irq = newirq;  in pcibios_lookup_irq()
979 	if (!irq) {  in pcibios_lookup_irq()
982 			irq = newirq;  in pcibios_lookup_irq()
988 	dev_info(&dev->dev, "%s PCI INT %c -> IRQ %d\n", msg, 'A' + pin - 1, irq);  in pcibios_lookup_irq()
999 		if (info->irq[pin - 1].link == pirq) {  in pcibios_lookup_irq()
1004 			if (dev2->irq && dev2->irq != irq && \  in pcibios_lookup_irq()
1006 			((1 << dev2->irq) & mask))) {  in pcibios_lookup_irq()
1010 					 dev2->irq, irq);  in pcibios_lookup_irq()
1014 			dev2->irq = irq;  in pcibios_lookup_irq()
1015 			pirq_penalty[irq]++;  in pcibios_lookup_irq()
1018 					 irq, pci_name(dev2));  in pcibios_lookup_irq()
1036 		if (dev->irq >= 16) {  in pcibios_fixup_irqs()
1037 			dev_dbg(&dev->dev, "ignoring bogus IRQ %d\n", dev->irq);  in pcibios_fixup_irqs()
1038 			dev->irq = 0;  in pcibios_fixup_irqs()
1044 		if (pirq_penalty[dev->irq] >= 100 &&  in pcibios_fixup_irqs()
1045 				pirq_penalty[dev->irq] < 100000)  in pcibios_fixup_irqs()
1046 			pirq_penalty[dev->irq] = 0;  in pcibios_fixup_irqs()
1047 		pirq_penalty[dev->irq]++;  in pcibios_fixup_irqs()
1062 		if (!dev->irq)  in pcibios_fixup_irqs()
1165 static void pirq_penalize_isa_irq(int irq, int active)  in pirq_penalize_isa_irq()  argument
1171 	if (irq < 16) {  in pirq_penalize_isa_irq()
1173 			pirq_penalty[irq] += 1000;  in pirq_penalize_isa_irq()
1175 			pirq_penalty[irq] += 100;  in pirq_penalize_isa_irq()
1179 void pcibios_penalize_isa_irq(int irq, int active)  in pcibios_penalize_isa_irq()  argument
1183 		acpi_penalize_isa_irq(irq, active);  in pcibios_penalize_isa_irq()
1186 		pirq_penalize_isa_irq(irq, active);  in pcibios_penalize_isa_irq()
1197 		if (!io_apic_assign_pci_irqs && dev->irq)  in pirq_enable_irq()
1203 			int irq;  in pirq_enable_irq()  local
1205 			if (dev->irq_managed && dev->irq > 0)  in pirq_enable_irq()
1208 			irq = IO_APIC_get_PCI_irq_vector(dev->bus->number,  in pirq_enable_irq()
1217 			while (irq < 0 && dev->bus->parent) { /* go back to the bridge */  in pirq_enable_irq()
1221 				irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number,  in pirq_enable_irq()
1224 				if (irq >= 0)  in pirq_enable_irq()
1228 						 irq);  in pirq_enable_irq()
1232 			if (irq >= 0) {  in pirq_enable_irq()
1234 				dev->irq = irq;  in pirq_enable_irq()
1236 					 "INT %c -> IRQ %d\n", 'A' + pin - 1, irq);  in pirq_enable_irq()
1275 	    dev->irq_managed && dev->irq) {  in pirq_disable_irq()
1276 		mp_unmap_irq(dev->irq);  in pirq_disable_irq()
1277 		dev->irq = 0;  in pirq_disable_irq()