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
   9 struct 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
  22 struct omap_device;
  23
  24 struct 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