LXR linux/arch/arm/include/asm/device.h

   1/*
   2 * Arch specific extensions to struct device
   3 *
   4 * This file is released under the GPLv2
   5 */
   6#ifndef ASMARM_DEVICE_H
   7#define ASMARM_DEVICE_H
   8
   9struct dev_archdata {
  10        struct dma_map_ops      *dma_ops;
  11#ifdef CONFIG_DMABOUNCE
  12        struct dmabounce_device_info *dmabounce;
  13#endif
  14#ifdef CONFIG_IOMMU_API
  15        void *iommu; /* private IOMMU data */
  16#endif
  17#ifdef CONFIG_ARM_DMA_USE_IOMMU
  18        struct dma_iommu_mapping        *mapping;
  19#endif
  20        bool dma_coherent;
  21};
  22
  23struct omap_device;
  24
  25struct pdev_archdata {
  26#ifdef CONFIG_ARCH_OMAP
  27        struct omap_device *od;
  28#endif
  29};
  30
  31#ifdef CONFIG_ARM_DMA_USE_IOMMU
  32#define to_dma_iommu_mapping(dev) ((dev)->archdata.mapping)
  33#else
  34#define to_dma_iommu_mapping(dev) NULL
  35#endif
  36
  37#endif
  38