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
23#define PCI_PROBE_BIOS 1
24#define PCI_PROBE_CONF1 2
25#define PCI_PROBE_CONF2 4
26#define PCI_NO_CHECKS 0x400
27#define PCI_ASSIGN_ROMS 0x1000
28#define PCI_BIOS_IRQ_SCAN 0x2000
29
30extern unsigned int pci_probe;
31
32/* pci-asb2305.c */
33
34extern void pcibios_resource_survey(void);
35
36/* pci.c */
37
38extern struct pci_ops *pci_root_ops;
39
40extern struct irq_routing_table *pcibios_get_irq_routing_table(void);
41extern int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq);
42
43/* pci-irq.c */
44
45struct irq_info {
46	u8 bus, devfn;			/* Bus, device and function */
47	struct {
48		u8 link;		/* IRQ line ID, chipset dependent,
49					 * 0=not routed */
50		u16 bitmap;		/* Available IRQs */
51	} __attribute__((packed)) irq[4];
52	u8 slot;			/* Slot number, 0=onboard */
53	u8 rfu;
54} __attribute__((packed));
55
56struct irq_routing_table {
57	u32 signature;			/* PIRQ_SIGNATURE should be here */
58	u16 version;			/* PIRQ_VERSION */
59	u16 size;			/* Table size in bytes */
60	u8 rtr_bus, rtr_devfn;		/* Where the interrupt router lies */
61	u16 exclusive_irqs;		/* IRQs devoted exclusively to PCI usage */
62	u16 rtr_vendor, rtr_device;	/* Vendor and device ID of interrupt router */
63	u32 miniport_data;		/* Crap */
64	u8 rfu[11];
65	u8 checksum;			/* Modulo 256 checksum must give zero */
66	struct irq_info slots[0];
67} __attribute__((packed));
68
69extern unsigned int pcibios_irq_mask;
70
71extern void pcibios_irq_init(void);
72extern void pcibios_fixup_irqs(void);
73extern void pcibios_enable_irq(struct pci_dev *dev);
74
75#endif /* PCI_ASB2305_H */
76