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};
  21
  22struct omap_device;
  23
  24struct pdev_archdata {
  25#ifdef CONFIG_ARCH_OMAP
  26        struct omap_device *od;
  27#endif
  28};
  29
  30#ifdef CONFIG_ARM_DMA_USE_IOMMU
  31#define to_dma_iommu_mapping(dev) ((dev)->archdata.mapping)
  32#else
  33#define to_dma_iommu_mapping(dev) NULL
  34#endif
  35
  36#endif
  37