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 37