LXR linux/arch/frv/include/asm/pci.h

   1/* pci.h: FR-V specific PCI declarations
   2 *
   3 * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
   4 * Written by David Howells (dhowells@redhat.com)
   5 * - Derived from include/asm-m68k/pci.h
   6 *
   7 * This program is free software; you can redistribute it and/or
   8 * modify it under the terms of the GNU General Public License
   9 * as published by the Free Software Foundation; either version
  10 * 2 of the License, or (at your option) any later version.
  11 */
  12
  13#ifndef _ASM_FRV_PCI_H
  14#define _ASM_FRV_PCI_H
  15
  16#include <linux/mm.h>
  17#include <asm/scatterlist.h>
  18#include <asm-generic/pci-dma-compat.h>
  19#include <asm-generic/pci.h>
  20
  21struct pci_dev;
  22
  23#define pcibios_assign_all_busses()     0
  24
  25extern void pcibios_set_master(struct pci_dev *dev);
  26
  27#ifdef CONFIG_MMU
  28extern void *consistent_alloc(gfp_t gfp, size_t size, dma_addr_t *dma_handle);
  29extern void consistent_free(void *vaddr);
  30extern void consistent_sync(void *vaddr, size_t size, int direction);
  31extern void consistent_sync_page(struct page *page, unsigned long offset,
  32                                 size_t size, int direction);
  33#endif
  34
  35extern void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
  36                                  dma_addr_t *dma_handle);
  37
  38extern void pci_free_consistent(struct pci_dev *hwdev, size_t size,
  39                                void *vaddr, dma_addr_t dma_handle);
  40
  41/* Return the index of the PCI controller for device PDEV. */
  42#define pci_controller_num(PDEV)        (0)
  43
  44#ifdef CONFIG_PCI
  45static inline void pci_dma_burst_advice(struct pci_dev *pdev,
  46                                        enum pci_dma_burst_strategy *strat,
  47                                        unsigned long *strategy_parameter)
  48{
  49        *strat = PCI_DMA_BURST_INFINITY;
  50        *strategy_parameter = ~0UL;
  51}
  52#endif
  53
  54/*
  55 *      These are pretty much arbitrary with the CoMEM implementation.
  56 *      We have the whole address space to ourselves.
  57 */
  58#define PCIBIOS_MIN_IO          0x100
  59#define PCIBIOS_MIN_MEM         0x00010000
  60
  61#endif /* _ASM_FRV_PCI_H */
  62