1/* ASB2305 Arch-specific PCI declarations 2 * 3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. 4 * Written by David Howells (dhowells@redhat.com) 5 * Derived from: arch/i386/kernel/pci-i386.h: (c) 1999 Martin Mares <mj@ucw.cz> 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public Licence 9 * as published by the Free Software Foundation; either version 10 * 2 of the Licence, or (at your option) any later version. 11 */ 12#ifndef _PCI_ASB2305_H 13#define _PCI_ASB2305_H 14 15#undef DEBUG 16 17#ifdef DEBUG 18#define DBG(x...) printk(x) 19#else 20#define DBG(x...) 21#endif 22 23extern unsigned int pci_probe; 24 25/* pci-asb2305.c */ 26 27extern void pcibios_resource_survey(void); 28 29/* pci.c */ 30 31extern struct pci_ops *pci_root_ops; 32 33/* pci-irq.c */ 34 35struct irq_info { 36 u8 bus, devfn; /* Bus, device and function */ 37 struct { 38 u8 link; /* IRQ line ID, chipset dependent, 39 * 0=not routed */ 40 u16 bitmap; /* Available IRQs */ 41 } __attribute__((packed)) irq[4]; 42 u8 slot; /* Slot number, 0=onboard */ 43 u8 rfu; 44} __attribute__((packed)); 45 46struct irq_routing_table { 47 u32 signature; /* PIRQ_SIGNATURE should be here */ 48 u16 version; /* PIRQ_VERSION */ 49 u16 size; /* Table size in bytes */ 50 u8 rtr_bus, rtr_devfn; /* Where the interrupt router lies */ 51 u16 exclusive_irqs; /* IRQs devoted exclusively to PCI usage */ 52 u16 rtr_vendor, rtr_device; /* Vendor and device ID of interrupt router */ 53 u32 miniport_data; /* Crap */ 54 u8 rfu[11]; 55 u8 checksum; /* Modulo 256 checksum must give zero */ 56 struct irq_info slots[0]; 57} __attribute__((packed)); 58 59extern unsigned int pcibios_irq_mask; 60 61extern void pcibios_irq_init(void); 62extern void pcibios_fixup_irqs(void); 63extern void pcibios_enable_irq(struct pci_dev *dev); 64 65#endif /* PCI_ASB2305_H */ 66