/arch/powerpc/include/asm/device.h

https://github.com/aicjofs/android_kernel_lge_v500_20d · C Header · 45 lines · 22 code · 7 blank · 16 comment · 0 complexity · 892dc198f1223abbfce7a05d14d99b77 MD5 · raw file 

    

  1. /*
    2. 

  2.  * Arch specific extensions to struct device
    3. 

  3.  *
    4. 

  4.  * This file is released under the GPLv2
    5. 

  5.  */
    6. 

  6. #ifndef _ASM_POWERPC_DEVICE_H
    7. 

  7. #define _ASM_POWERPC_DEVICE_H
    8. 

  8. 

  9. struct dma_map_ops;
    10. 

  10. struct device_node;
    11. 

  11. 

  12. /*
    13. 

  13.  * Arch extensions to struct device.
    14. 

  14.  *
    15. 

  15.  * When adding fields, consider macio_add_one_device in
    16. 

  16.  * drivers/macintosh/macio_asic.c
    17. 

  17.  */
    18. 

  18. struct dev_archdata {
    19. 

  19. 	/* DMA operations on that device */
    20. 

  20. 	struct dma_map_ops	*dma_ops;
    21. 

  21. 

  22. 	/*
    23. 

  23. 	 * When an iommu is in use, dma_data is used as a ptr to the base of the
    24. 

  24. 	 * iommu_table.  Otherwise, it is a simple numerical offset.
    25. 

  25. 	 */
    26. 

  26. 	union {
    27. 

  27. 		dma_addr_t	dma_offset;
    28. 

  28. 		void		*iommu_table_base;
    29. 

  29. 	} dma_data;
    30. 

  30. 

  31. #ifdef CONFIG_SWIOTLB
    32. 

  32. 	dma_addr_t		max_direct_dma_addr;
    33. 

  33. #endif
    34. 

  34. #ifdef CONFIG_EEH
    35. 

  35. 	struct eeh_dev		*edev;
    36. 

  36. #endif
    37. 

  37. };
    38. 

  38. 

  39. struct pdev_archdata {
    40. 

  40. 	u64 dma_mask;
    41. 

  41. };
    42. 

  42. 

  43. #define ARCH_HAS_DMA_GET_REQUIRED_MASK
    44. 

  44. 

  45. #endif /* _ASM_POWERPC_DEVICE_H */
    46.