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 #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
  26 struct omap_device;
  27
  28 struct 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