#ifndef ASM_PCI_DIRECT_H

#define ASM_PCI_DIRECT_H 1

#include <linux/types.h>

#include <asm/io.h>

/* Direct PCI access. This is used for PCI accesses in early boot before

   the PCI subsystem works. */ 

#define PDprintk(x...)

static inline u32 read_pci_config(u8 bus, u8 slot, u8 func, u8 offset)

{

	u32 v; 

	outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8);

	v = inl(0xcfc); 

	if (v != 0xffffffff)

		PDprintk("%x reading 4 from %x: %x\n", slot, offset, v);

	return v;

}

static inline u8 read_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset)

{

	u8 v; 

	outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8);

	v = inb(0xcfc + (offset&3)); 

	PDprintk("%x reading 1 from %x: %x\n", slot, offset, v);

	return v;

}

static inline u16 read_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset)

{

	u16 v; 

	outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8);

	v = inw(0xcfc + (offset&2)); 

	PDprintk("%x reading 2 from %x: %x\n", slot, offset, v);

	return v;

}

static inline void write_pci_config(u8 bus, u8 slot, u8 func, u8 offset,

				    u32 val)

{

	PDprintk("%x writing to %x: %x\n", slot, offset, val); 

	outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8);

	outl(val, 0xcfc); 

}

#endif