1. 根目录:
2. arch
3. frv
4. include
5. asm
6. pci.h

/* pci.h: FR-V specific PCI declarations
 *
 * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 * - Derived from include/asm-m68k/pci.h
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

#ifndef _ASM_FRV_PCI_H
#define _ASM_FRV_PCI_H

#include <linux/mm.h>
#include <asm/scatterlist.h>
#include <asm-generic/pci-dma-compat.h>
#include <asm-generic/pci.h>

struct pci_dev;

#define pcibios_assign_all_busses()	0

extern void pcibios_set_master(struct pci_dev *dev);

extern void pcibios_penalize_isa_irq(int irq);

#ifdef CONFIG_MMU
extern void *consistent_alloc(gfp_t gfp, size_t size, dma_addr_t *dma_handle);
extern void consistent_free(void *vaddr);
extern void consistent_sync(void *vaddr, size_t size, int direction);
extern void consistent_sync_page(struct page *page, unsigned long offset,
				 size_t size, int direction);
#endif

extern void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
				  dma_addr_t *dma_handle);

extern void pci_free_consistent(struct pci_dev *hwdev, size_t size,
				void *vaddr, dma_addr_t dma_handle);

/* Return the index of the PCI controller for device PDEV. */
#define pci_controller_num(PDEV)	(0)

#ifdef CONFIG_PCI
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
					enum pci_dma_burst_strategy *strat,
					unsigned long *strategy_parameter)
{
	*strat = PCI_DMA_BURST_INFINITY;
	*strategy_parameter = ~0UL;
}
#endif

/*
 *	These are pretty much arbitrary with the CoMEM implementation.
 *	We have the whole address space to ourselves.
 */
#define PCIBIOS_MIN_IO		0x100
#define PCIBIOS_MIN_MEM		0x00010000

#endif /* _ASM_FRV_PCI_H */