forked from Minki/linux
80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
|
/* 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 */
|