/* ASB2305 Arch-specific PCI declarations * * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) * Derived from: arch/i386/kernel/pci-i386.h: (c) 1999 Martin Mares <mj@ucw.cz> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public Licence * as published by the Free Software Foundation; either version * 2 of the Licence, or (at your option) any later version. */ #ifndef _PCI_ASB2305_H #define _PCI_ASB2305_H #undef DEBUG #ifdef DEBUG #define DBG(x...) printk(x) #else #define DBG(x...) #endif #define PCI_PROBE_BIOS 1 #define PCI_PROBE_CONF1 2 #define PCI_PROBE_CONF2 4 #define PCI_NO_CHECKS 0x400 #define PCI_ASSIGN_ROMS 0x1000 #define PCI_BIOS_IRQ_SCAN 0x2000 extern unsigned int pci_probe; /* pci-asb2305.c */ extern unsigned int pcibios_max_latency; extern void pcibios_resource_survey(void); /* pci.c */ extern int pcibios_last_bus; extern struct pci_bus *pci_root_bus; extern struct pci_ops *pci_root_ops; extern struct irq_routing_table *pcibios_get_irq_routing_table(void); extern int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq); /* pci-irq.c */ struct irq_info { u8 bus, devfn; /* Bus, device and function */ struct { u8 link; /* IRQ line ID, chipset dependent, * 0=not routed */ u16 bitmap; /* Available IRQs */ } __attribute__((packed)) irq[4]; u8 slot; /* Slot number, 0=onboard */ u8 rfu; } __attribute__((packed)); struct irq_routing_table { u32 signature; /* PIRQ_SIGNATURE should be here */ u16 version; /* PIRQ_VERSION */ u16 size; /* Table size in bytes */ u8 rtr_bus, rtr_devfn; /* Where the interrupt router lies */ u16 exclusive_irqs; /* IRQs devoted exclusively to PCI usage */ u16 rtr_vendor, rtr_device; /* Vendor and device ID of interrupt router */ u32 miniport_data; /* Crap */ u8 rfu[11]; u8 checksum; /* Modulo 256 checksum must give zero */ struct irq_info slots[0]; } __attribute__((packed)); extern unsigned int pcibios_irq_mask; extern void pcibios_irq_init(void); extern void pcibios_fixup_irqs(void); extern void pcibios_enable_irq(struct pci_dev *dev); #endif /* PCI_ASB2305_H */