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#ifdef CONFIG_DMABOUNCE
  11        struct dmabounce_device_info *dmabounce;
  12#endif
  13#ifdef CONFIG_IOMMU_API
  14        void *iommu; /* private IOMMU data */
  15#endif
  16#ifdef CONFIG_ARM_DMA_USE_IOMMU
  17        struct dma_iommu_mapping        *mapping;
  18#endif
  19#ifdef CONFIG_XEN
  20        const struct dma_map_ops *dev_dma_ops;
  21#endif
  22        unsigned int dma_coherent:1;
  23        unsigned int dma_ops_setup:1;
  24};
  25
  26struct omap_device;
  27
  28struct pdev_archdata {
  29#ifdef CONFIG_ARCH_OMAP
  30        struct omap_device *od;
  31#endif
  32};
  33
  34#ifdef CONFIG_ARM_DMA_USE_IOMMU
  35#define to_dma_iommu_mapping(dev) ((dev)->archdata.mapping)
  36#else
  37#define to_dma_iommu_mapping(dev) NULL
  38#endif
  39
  40#endif
  41