| David Howells | b920de1 | 2008-02-08 04:19:31 -0800 | [diff] [blame] | 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 |
| David Howells | b920de1 | 2008-02-08 04:19:31 -0800 | [diff] [blame] | 26 | #define PCI_NO_CHECKS 0x400 |
| 27 | #define PCI_ASSIGN_ROMS 0x1000 |
| 28 | #define PCI_BIOS_IRQ_SCAN 0x2000 |
| 29 | |
| 30 | extern unsigned int pci_probe; |
| 31 | |
| 32 | /* pci-asb2305.c */ |
| 33 | |
| David Howells | b920de1 | 2008-02-08 04:19:31 -0800 | [diff] [blame] | 34 | extern void pcibios_resource_survey(void); |
| David Howells | b920de1 | 2008-02-08 04:19:31 -0800 | [diff] [blame] | 35 | |
| 36 | /* pci.c */ |
| 37 | |
| 38 | extern int pcibios_last_bus; |
| 39 | extern struct pci_bus *pci_root_bus; |
| 40 | extern struct pci_ops *pci_root_ops; |
| 41 | |
| 42 | extern struct irq_routing_table *pcibios_get_irq_routing_table(void); |
| 43 | extern int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq); |
| 44 | |
| 45 | /* pci-irq.c */ |
| 46 | |
| 47 | struct irq_info { |
| 48 | u8 bus, devfn; /* Bus, device and function */ |
| 49 | struct { |
| 50 | u8 link; /* IRQ line ID, chipset dependent, |
| 51 | * 0=not routed */ |
| 52 | u16 bitmap; /* Available IRQs */ |
| 53 | } __attribute__((packed)) irq[4]; |
| 54 | u8 slot; /* Slot number, 0=onboard */ |
| 55 | u8 rfu; |
| 56 | } __attribute__((packed)); |
| 57 | |
| 58 | struct irq_routing_table { |
| 59 | u32 signature; /* PIRQ_SIGNATURE should be here */ |
| 60 | u16 version; /* PIRQ_VERSION */ |
| 61 | u16 size; /* Table size in bytes */ |
| 62 | u8 rtr_bus, rtr_devfn; /* Where the interrupt router lies */ |
| 63 | u16 exclusive_irqs; /* IRQs devoted exclusively to PCI usage */ |
| 64 | u16 rtr_vendor, rtr_device; /* Vendor and device ID of interrupt router */ |
| 65 | u32 miniport_data; /* Crap */ |
| 66 | u8 rfu[11]; |
| 67 | u8 checksum; /* Modulo 256 checksum must give zero */ |
| 68 | struct irq_info slots[0]; |
| 69 | } __attribute__((packed)); |
| 70 | |
| 71 | extern unsigned int pcibios_irq_mask; |
| 72 | |
| 73 | extern void pcibios_irq_init(void); |
| 74 | extern void pcibios_fixup_irqs(void); |
| 75 | extern void pcibios_enable_irq(struct pci_dev *dev); |
| 76 | |
| 77 | #endif /* PCI_ASB2305_H */ |