46 	int (*get)(struct pci_dev *router, struct pci_dev *dev, int pirq);
47 	int (*set)(struct pci_dev *router, struct pci_dev *dev, int pirq,
199 static int pirq_ali_get(struct pci_dev *router, struct pci_dev *dev, int pirq)  in pirq_ali_get()  argument
203 	WARN_ON_ONCE(pirq > 16);  in pirq_ali_get()
204 	return irqmap[read_config_nybble(router, 0x48, pirq-1)];  in pirq_ali_get()
207 static int pirq_ali_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_ali_set()  argument
212 	WARN_ON_ONCE(pirq > 16);  in pirq_ali_set()
214 		write_config_nybble(router, 0x48, pirq-1, val);  in pirq_ali_set()
224 static int pirq_piix_get(struct pci_dev *router, struct pci_dev *dev, int pirq)  in pirq_piix_get()  argument
228 	pci_read_config_byte(router, pirq, &x);  in pirq_piix_get()
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()
243 static int pirq_via_get(struct pci_dev *router, struct pci_dev *dev, int pirq)  in pirq_via_get()  argument
245 	return read_config_nybble(router, 0x55, pirq == 4 ? 5 : pirq);  in pirq_via_get()
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()
259 static int pirq_via586_get(struct pci_dev *router, struct pci_dev *dev, int pirq)  in pirq_via586_get()  argument
263 	WARN_ON_ONCE(pirq > 5);  in pirq_via586_get()
264 	return read_config_nybble(router, 0x55, pirqmap[pirq-1]);  in pirq_via586_get()
267 static int pirq_via586_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_via586_set()  argument
271 	WARN_ON_ONCE(pirq > 5);  in pirq_via586_set()
272 	write_config_nybble(router, 0x55, pirqmap[pirq-1], irq);  in pirq_via586_set()
281 static int pirq_ite_get(struct pci_dev *router, struct pci_dev *dev, int pirq)  in pirq_ite_get()  argument
285 	WARN_ON_ONCE(pirq > 4);  in pirq_ite_get()
286 	return read_config_nybble(router, 0x43, pirqmap[pirq-1]);  in pirq_ite_get()
289 static int pirq_ite_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_ite_set()  argument
293 	WARN_ON_ONCE(pirq > 4);  in pirq_ite_set()
294 	write_config_nybble(router, 0x43, pirqmap[pirq-1], irq);  in pirq_ite_set()
302 static int pirq_opti_get(struct pci_dev *router, struct pci_dev *dev, int pirq)  in pirq_opti_get()  argument
304 	return read_config_nybble(router, 0xb8, pirq >> 4);  in pirq_opti_get()
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()
318 static int pirq_cyrix_get(struct pci_dev *router, struct pci_dev *dev, int pirq)  in pirq_cyrix_get()  argument
320 	return read_config_nybble(router, 0x5C, (pirq-1)^1);  in pirq_cyrix_get()
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()
394 static int pirq_sis_get(struct pci_dev *router, struct pci_dev *dev, int pirq)  in pirq_sis_get()  argument
399 	reg = pirq;  in pirq_sis_get()
406 static int pirq_sis_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_sis_set()  argument
411 	reg = pirq;  in pirq_sis_set()
430 static int pirq_vlsi_get(struct pci_dev *router, struct pci_dev *dev, int pirq)  in pirq_vlsi_get()  argument
432 	WARN_ON_ONCE(pirq >= 9);  in pirq_vlsi_get()
433 	if (pirq > 8) {  in pirq_vlsi_get()
434 		dev_info(&dev->dev, "VLSI router PIRQ escape (%d)\n", pirq);  in pirq_vlsi_get()
437 	return read_config_nybble(router, 0x74, pirq-1);  in pirq_vlsi_get()
440 static int pirq_vlsi_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)  in pirq_vlsi_set()  argument
442 	WARN_ON_ONCE(pirq >= 9);  in pirq_vlsi_set()
443 	if (pirq > 8) {  in pirq_vlsi_set()
444 		dev_info(&dev->dev, "VLSI router PIRQ escape (%d)\n", pirq);  in pirq_vlsi_set()
447 	write_config_nybble(router, 0x74, pirq-1, irq);  in pirq_vlsi_set()
462 static int pirq_serverworks_get(struct pci_dev *router, struct pci_dev *dev, int pirq)  in pirq_serverworks_get()  argument
464 	outb(pirq, 0xc00);  in pirq_serverworks_get()
469 	int pirq, int irq)  in pirq_serverworks_set()
471 	outb(pirq, 0xc00);  in pirq_serverworks_set()
484 static int pirq_amd756_get(struct pci_dev *router, struct pci_dev *dev, int pirq)  in pirq_amd756_get()  argument
488 	if (pirq <= 4)  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()
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()
501 	if (pirq <= 4)  in pirq_amd756_set()
502 		write_config_nybble(router, 0x56, pirq - 1, irq);  in pirq_amd756_set()
509 static int pirq_pico_get(struct pci_dev *router, struct pci_dev *dev, int pirq)  in pirq_pico_get()  argument
511 	outb(0x10 + ((pirq - 1) >> 1), 0x24);  in pirq_pico_get()
512 	return ((pirq - 1) & 1) ? (inb(0x26) >> 4) : (inb(0x26) & 0xf);  in pirq_pico_get()
515 static int pirq_pico_set(struct pci_dev *router, struct pci_dev *dev, int pirq,  in pirq_pico_set()  argument
519 	outb(0x10 + ((pirq - 1) >> 1), 0x24);  in pirq_pico_set()
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
882 	int i, pirq, newirq;  in pcibios_lookup_irq()  local
910 	pirq = info->irq[pin - 1].link;  in pcibios_lookup_irq()
912 	if (!pirq) {  in pcibios_lookup_irq()
917 		'A' + pin - 1, pirq, mask, pirq_table->exclusive_irqs);  in pcibios_lookup_irq()
923 	if (broken_hp_bios_irq9 && pirq == 0x59 && dev->irq == 9) {  in pcibios_lookup_irq()
926 		r->set(pirq_router_dev, dev, pirq, 11);  in pcibios_lookup_irq()
932 		pirq = 0x68;  in pcibios_lookup_irq()
934 		dev->irq = r->get(pirq_router_dev, dev, pirq);  in pcibios_lookup_irq()
962 	if ((pirq & 0xf0) == 0xf0) {  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()
971 		if (r->set(pirq_router_dev, dev, pirq, newirq)) {  in pcibios_lookup_irq()
998 		if (info->irq[pin - 1].link == pirq) {  in pcibios_lookup_irq()