diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/powerpc/include/asm/device.h')
-rw-r--r-- | ANDROID_3.4.5/arch/powerpc/include/asm/device.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/arch/powerpc/include/asm/device.h b/ANDROID_3.4.5/arch/powerpc/include/asm/device.h new file mode 100644 index 00000000..63d5ca49 --- /dev/null +++ b/ANDROID_3.4.5/arch/powerpc/include/asm/device.h @@ -0,0 +1,45 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#ifndef _ASM_POWERPC_DEVICE_H +#define _ASM_POWERPC_DEVICE_H + +struct dma_map_ops; +struct device_node; + +/* + * Arch extensions to struct device. + * + * When adding fields, consider macio_add_one_device in + * drivers/macintosh/macio_asic.c + */ +struct dev_archdata { + /* DMA operations on that device */ + struct dma_map_ops *dma_ops; + + /* + * When an iommu is in use, dma_data is used as a ptr to the base of the + * iommu_table. Otherwise, it is a simple numerical offset. + */ + union { + dma_addr_t dma_offset; + void *iommu_table_base; + } dma_data; + +#ifdef CONFIG_SWIOTLB + dma_addr_t max_direct_dma_addr; +#endif +#ifdef CONFIG_EEH + struct eeh_dev *edev; +#endif +}; + +struct pdev_archdata { + u64 dma_mask; +}; + +#define ARCH_HAS_DMA_GET_REQUIRED_MASK + +#endif /* _ASM_POWERPC_DEVICE_H */ |