133 				DBG(" %d:%02x/%04x", j, e->irq[j].link, e->irq[j].bitmap);  in pirq_peer_trick()
151 void eisa_set_level_irq(unsigned int irq)  in eisa_set_level_irq()  argument
153 	unsigned char mask = 1 << (irq & 7);  in eisa_set_level_irq()
154 	unsigned int port = 0x4d0 + (irq >> 3);  in eisa_set_level_irq()
158 	if (irq >= 16 || (1 << irq) & eisa_irq_mask)  in eisa_set_level_irq()
161 	eisa_irq_mask |= (1 << irq);  in eisa_set_level_irq()
162 	printk(KERN_DEBUG "PCI: setting IRQ %u as level-triggered\n", irq);  in eisa_set_level_irq()
207 static int pirq_ali_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_ali_set()  argument
210 	unsigned int val = irqmap[irq];  in pirq_ali_set()
232 static int pirq_piix_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_piix_set()  argument
234 	pci_write_config_byte(router, pirq, irq);  in pirq_piix_set()
248 static int pirq_via_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_via_set()  argument
250 	write_config_nybble(router, 0x55, pirq == 4 ? 5 : pirq, irq);  in pirq_via_set()
267 static int pirq_via586_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_via586_set()  argument
272 	write_config_nybble(router, 0x55, pirqmap[pirq-1], irq);  in pirq_via586_set()
289 static int pirq_ite_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_ite_set()  argument
294 	write_config_nybble(router, 0x43, pirqmap[pirq-1], irq);  in pirq_ite_set()
307 static int pirq_opti_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_opti_set()  argument
309 	write_config_nybble(router, 0xb8, pirq >> 4, irq);  in pirq_opti_set()
323 static int pirq_cyrix_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_cyrix_set()  argument
325 	write_config_nybble(router, 0x5C, (pirq-1)^1, irq);  in pirq_cyrix_set()
406 static int pirq_sis_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_sis_set()  argument
416 	x |= irq ? irq: PIRQ_SIS_IRQ_DISABLE;  in pirq_sis_set()
440 static int pirq_vlsi_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_vlsi_set()  argument
447 	write_config_nybble(router, 0x74, pirq-1, irq);  in pirq_vlsi_set()
469 	int pirq, int irq)  in pirq_serverworks_set()  argument
472 	outb(irq, 0xc01);  in pirq_serverworks_set()
486 	u8 irq;  in pirq_amd756_get()  local
487 	irq = 0;  in pirq_amd756_get()
489 		irq = read_config_nybble(router, 0x56, pirq - 1);  in pirq_amd756_get()
492 		 dev->vendor, dev->device, pirq, irq);  in pirq_amd756_get()
493 	return irq;  in pirq_amd756_get()
496 static int pirq_amd756_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_amd756_set()  argument
500 		 dev->vendor, dev->device, pirq, irq);  in pirq_amd756_set()
502 		write_config_nybble(router, 0x56, pirq - 1, irq);  in pirq_amd756_set()
516 			int irq)  in pirq_pico_set()  argument
521 	x = ((pirq - 1) & 1) ? ((x & 0x0f) | (irq << 4)) : ((x & 0xf0) | (irq));  in pirq_pico_set()
528 static int pirq_bios_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_bios_set()  argument
532 	return pcibios_set_irq_routing(bridge, pin - 1, irq);  in pirq_bios_set()
883 	int irq = 0;  in pcibios_lookup_irq()  local
910 	pirq = info->irq[pin - 1].link;  in pcibios_lookup_irq()
911 	mask = info->irq[pin - 1].bitmap;  in pcibios_lookup_irq()
923 	if (broken_hp_bios_irq9 && pirq == 0x59 && dev->irq == 9) {  in pcibios_lookup_irq()
924 		dev->irq = 11;  in pcibios_lookup_irq()
930 	if (acer_tm360_irqrouting && dev->irq == 11 &&  in pcibios_lookup_irq()
934 		dev->irq = r->get(pirq_router_dev, dev, pirq);  in pcibios_lookup_irq()
935 		pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);  in pcibios_lookup_irq()
942 	newirq = dev->irq;  in pcibios_lookup_irq()
963 		irq = pirq & 0xf;  in pcibios_lookup_irq()
965 	} else if (r->get && (irq = r->get(pirq_router_dev, dev, pirq)) && \  in pcibios_lookup_irq()
966 	((!(pci_probe & PCI_USE_PIRQ_MASK)) || ((1 << irq) & mask))) {  in pcibios_lookup_irq()
968 		eisa_set_level_irq(irq);  in pcibios_lookup_irq()
974 			irq = newirq;  in pcibios_lookup_irq()
978 	if (!irq) {  in pcibios_lookup_irq()
981 			irq = newirq;  in pcibios_lookup_irq()
987 	dev_info(&dev->dev, "%s PCI INT %c -> IRQ %d\n", msg, 'A' + pin - 1, irq);  in pcibios_lookup_irq()
998 		if (info->irq[pin - 1].link == pirq) {  in pcibios_lookup_irq()
1003 			if (dev2->irq && dev2->irq != irq && \  in pcibios_lookup_irq()
1005 			((1 << dev2->irq) & mask))) {  in pcibios_lookup_irq()
1009 					 dev2->irq, irq);  in pcibios_lookup_irq()
1013 			dev2->irq = irq;  in pcibios_lookup_irq()
1014 			pirq_penalty[irq]++;  in pcibios_lookup_irq()
1017 					 irq, pci_name(dev2));  in pcibios_lookup_irq()
1035 		if (dev->irq >= 16) {  in pcibios_fixup_irqs()
1036 			dev_dbg(&dev->dev, "ignoring bogus IRQ %d\n", dev->irq);  in pcibios_fixup_irqs()
1037 			dev->irq = 0;  in pcibios_fixup_irqs()
1043 		if (pirq_penalty[dev->irq] >= 100 &&  in pcibios_fixup_irqs()
1044 				pirq_penalty[dev->irq] < 100000)  in pcibios_fixup_irqs()
1045 			pirq_penalty[dev->irq] = 0;  in pcibios_fixup_irqs()
1046 		pirq_penalty[dev->irq]++;  in pcibios_fixup_irqs()
1061 		if (!dev->irq)  in pcibios_fixup_irqs()
1164 static void pirq_penalize_isa_irq(int irq, int active)  in pirq_penalize_isa_irq()  argument
1170 	if (irq < 16) {  in pirq_penalize_isa_irq()
1172 			pirq_penalty[irq] += 1000;  in pirq_penalize_isa_irq()
1174 			pirq_penalty[irq] += 100;  in pirq_penalize_isa_irq()
1178 void pcibios_penalize_isa_irq(int irq, int active)  in pcibios_penalize_isa_irq()  argument
1182 		acpi_penalize_isa_irq(irq, active);  in pcibios_penalize_isa_irq()
1185 		pirq_penalize_isa_irq(irq, active);  in pcibios_penalize_isa_irq()
1196 		if (!io_apic_assign_pci_irqs && dev->irq)  in pirq_enable_irq()
1202 			int irq;  in pirq_enable_irq()  local
1204 			if (dev->irq_managed && dev->irq > 0)  in pirq_enable_irq()
1207 			irq = IO_APIC_get_PCI_irq_vector(dev->bus->number,  in pirq_enable_irq()
1216 			while (irq < 0 && dev->bus->parent) { /* go back to the bridge */  in pirq_enable_irq()
1220 				irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number,  in pirq_enable_irq()
1223 				if (irq >= 0)  in pirq_enable_irq()
1227 						 irq);  in pirq_enable_irq()
1231 			if (irq >= 0) {  in pirq_enable_irq()
1233 				dev->irq = irq;  in pirq_enable_irq()
1235 					 "INT %c -> IRQ %d\n", 'A' + pin - 1, irq);  in pirq_enable_irq()
1274 	    dev->irq_managed && dev->irq) {  in pirq_disable_irq()
1275 		mp_unmap_irq(dev->irq);  in pirq_disable_irq()
1276 		dev->irq = 0;  in pirq_disable_irq()