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arch
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arm
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mach-ep93xx
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include
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mach
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dma.h

dma.h 1.6 KB
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  1. /*
    2. 

  2.  * arch/arm/mach-ep93xx/include/mach/dma.h
    3. 

  3.  */
    4. 

  4. 

  5. #ifndef __ASM_ARCH_DMA_H
    6. 

  6. #define __ASM_ARCH_DMA_H
    7. 

  7. 

  8. #include <linux/list.h>
    9. 

  9. #include <linux/types.h>
    10. 

  10. 

  11. struct ep93xx_dma_buffer {
    12. 

  12. 	struct list_head	list;
    13. 

  13. 	u32			bus_addr;
    14. 

  14. 	u16			size;
    15. 

  15. };
    16. 

  16. 

  17. struct ep93xx_dma_m2p_client {
    18. 

  18. 	char			*name;
    19. 

  19. 	u8			flags;
    20. 

  20. 	void			*cookie;
    21. 

  21. 	void			(*buffer_started)(void *cookie,
    22. 

  22. 					struct ep93xx_dma_buffer *buf);
    23. 

  23. 	void			(*buffer_finished)(void *cookie,
    24. 

  24. 					struct ep93xx_dma_buffer *buf,
    25. 

  25. 					int bytes, int error);
    26. 

  26. 

  27. 	/* Internal to the DMA code.  */
    28. 

  28. 	void			*channel;
    29. 

  29. };
    30. 

  30. 

  31. #define EP93XX_DMA_M2P_PORT_I2S1	0x00
    32. 

  32. #define EP93XX_DMA_M2P_PORT_I2S2	0x01
    33. 

  33. #define EP93XX_DMA_M2P_PORT_AAC1	0x02
    34. 

  34. #define EP93XX_DMA_M2P_PORT_AAC2	0x03
    35. 

  35. #define EP93XX_DMA_M2P_PORT_AAC3	0x04
    36. 

  36. #define EP93XX_DMA_M2P_PORT_I2S3	0x05
    37. 

  37. #define EP93XX_DMA_M2P_PORT_UART1	0x06
    38. 

  38. #define EP93XX_DMA_M2P_PORT_UART2	0x07
    39. 

  39. #define EP93XX_DMA_M2P_PORT_UART3	0x08
    40. 

  40. #define EP93XX_DMA_M2P_PORT_IRDA	0x09
    41. 

  41. #define EP93XX_DMA_M2P_PORT_MASK	0x0f
    42. 

  42. #define EP93XX_DMA_M2P_TX		0x00
    43. 

  43. #define EP93XX_DMA_M2P_RX		0x10
    44. 

  44. #define EP93XX_DMA_M2P_ABORT_ON_ERROR	0x20
    45. 

  45. #define EP93XX_DMA_M2P_IGNORE_ERROR	0x40
    46. 

  46. #define EP93XX_DMA_M2P_ERROR_MASK	0x60
    47. 

  47. 

  48. int  ep93xx_dma_m2p_client_register(struct ep93xx_dma_m2p_client *m2p);
    49. 

  49. void ep93xx_dma_m2p_client_unregister(struct ep93xx_dma_m2p_client *m2p);
    50. 

  50. void ep93xx_dma_m2p_submit(struct ep93xx_dma_m2p_client *m2p,
    51. 

  51. 			   struct ep93xx_dma_buffer *buf);
    52. 

  52. void ep93xx_dma_m2p_submit_recursive(struct ep93xx_dma_m2p_client *m2p,
    53. 

  53. 				     struct ep93xx_dma_buffer *buf);
    54. 

  54. void ep93xx_dma_m2p_flush(struct ep93xx_dma_m2p_client *m2p);
    55. 

  55. 

  56. #endif /* __ASM_ARCH_DMA_H */
    57.