blob: 6823fa4f1afa3c8a43a17697cba5ce4ecf63cb36 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef ASM_PCI_DIRECT_H
2#define ASM_PCI_DIRECT_H 1
3
4#include <linux/types.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -07005
6/* Direct PCI access. This is used for PCI accesses in early boot before
7 the PCI subsystem works. */
8
Andi Kleen8f607742006-09-26 10:52:41 +02009extern u32 read_pci_config(u8 bus, u8 slot, u8 func, u8 offset);
10extern u8 read_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset);
11extern u16 read_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset);
12extern void write_pci_config(u8 bus, u8 slot, u8 func, u8 offset, u32 val);
Siddha, Suresh B274e1bb2006-12-07 02:14:10 +010013extern void write_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset, u8 val);
Linus Torvalds1da177e2005-04-16 15:20:36 -070014
Andi Kleen0637a702006-09-26 10:52:41 +020015extern int early_pci_allowed(void);
16
Linus Torvalds1da177e2005-04-16 15:20:36 -070017#endif