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 41