| Ryan Mallon | 6d831c6 | 2009-03-02 21:27:38 +0100 | [diff] [blame^] | 1 | #ifndef __ASM_ARCH_DMA_H |
| 2 | #define __ASM_ARCH_DMA_H |
| 3 | |
| 4 | #include <linux/list.h> |
| 5 | #include <linux/types.h> |
| 6 | |
| 7 | struct ep93xx_dma_buffer { |
| 8 | struct list_head list; |
| 9 | u32 bus_addr; |
| 10 | u16 size; |
| 11 | }; |
| 12 | |
| 13 | struct ep93xx_dma_m2p_client { |
| 14 | char *name; |
| 15 | u8 flags; |
| 16 | void *cookie; |
| 17 | void (*buffer_started)(void *cookie, |
| 18 | struct ep93xx_dma_buffer *buf); |
| 19 | void (*buffer_finished)(void *cookie, |
| 20 | struct ep93xx_dma_buffer *buf, |
| 21 | int bytes, int error); |
| 22 | |
| 23 | /* Internal to the DMA code. */ |
| 24 | void *channel; |
| 25 | }; |
| 26 | |
| 27 | #define EP93XX_DMA_M2P_PORT_I2S1 0x00 |
| 28 | #define EP93XX_DMA_M2P_PORT_I2S2 0x01 |
| 29 | #define EP93XX_DMA_M2P_PORT_AAC1 0x02 |
| 30 | #define EP93XX_DMA_M2P_PORT_AAC2 0x03 |
| 31 | #define EP93XX_DMA_M2P_PORT_AAC3 0x04 |
| 32 | #define EP93XX_DMA_M2P_PORT_I2S3 0x05 |
| 33 | #define EP93XX_DMA_M2P_PORT_UART1 0x06 |
| 34 | #define EP93XX_DMA_M2P_PORT_UART2 0x07 |
| 35 | #define EP93XX_DMA_M2P_PORT_UART3 0x08 |
| 36 | #define EP93XX_DMA_M2P_PORT_IRDA 0x09 |
| 37 | #define EP93XX_DMA_M2P_PORT_MASK 0x0f |
| 38 | #define EP93XX_DMA_M2P_TX 0x00 |
| 39 | #define EP93XX_DMA_M2P_RX 0x10 |
| 40 | #define EP93XX_DMA_M2P_ABORT_ON_ERROR 0x20 |
| 41 | #define EP93XX_DMA_M2P_IGNORE_ERROR 0x40 |
| 42 | #define EP93XX_DMA_M2P_ERROR_MASK 0x60 |
| 43 | |
| 44 | int ep93xx_dma_m2p_client_register(struct ep93xx_dma_m2p_client *m2p); |
| 45 | void ep93xx_dma_m2p_client_unregister(struct ep93xx_dma_m2p_client *m2p); |
| 46 | void ep93xx_dma_m2p_submit(struct ep93xx_dma_m2p_client *m2p, |
| 47 | struct ep93xx_dma_buffer *buf); |
| 48 | void ep93xx_dma_m2p_submit_recursive(struct ep93xx_dma_m2p_client *m2p, |
| 49 | struct ep93xx_dma_buffer *buf); |
| 50 | void ep93xx_dma_m2p_flush(struct ep93xx_dma_m2p_client *m2p); |
| 51 | |
| 52 | #endif /* __ASM_ARCH_DMA_H */ |