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
  21 struct pci_dev;
  22
  23 #define pcibios_assign_all_busses()     0
  24
  25 extern void pcibios_set_master(struct pci_dev *dev);
  26
  27 extern void pcibios_penalize_isa_irq(int irq);
  28
  29 #ifdef CONFIG_MMU
  30 extern void *consistent_alloc(gfp_t gfp, size_t size, dma_addr_t *dma_handle);
  31 extern void consistent_free(void *vaddr);
  32 extern void consistent_sync(void *vaddr, size_t size, int direction);
  33 extern void consistent_sync_page(struct page *page, unsigned long offset,
  34                                  size_t size, int direction);
  35 #endif
  36
  37 extern void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
  38                                   dma_addr_t *dma_handle);
  39
  40 extern void pci_free_consistent(struct pci_dev *hwdev, size_t size,
  41                                 void *vaddr, dma_addr_t dma_handle);
  42
  43 /* Return the index of the PCI controller for device PDEV. */
  44 #define pci_controller_num(PDEV)        (0)
  45
  46 #ifdef CONFIG_PCI
  47 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
  48                                         enum pci_dma_burst_strategy *strat,
  49                                         unsigned long *strategy_parameter)
  50 {
  51         *strat = PCI_DMA_BURST_INFINITY;
  52         *strategy_parameter = ~0UL;
  53 }
  54 #endif
  55
  56 /*
  57  *      These are pretty much arbitrary with the CoMEM implementation.
  58  *      We have the whole address space to ourselves.
  59  */
  60 #define PCIBIOS_MIN_IO          0x100
  61 #define PCIBIOS_MIN_MEM         0x00010000
  62
  63 #endif /* _ASM_FRV_PCI_H */