1#ifndef __ASM_SPARC_EBUS_DMA_H 2#define __ASM_SPARC_EBUS_DMA_H 3 4struct ebus_dma_info { 5 spinlock_t lock; 6 void __iomem *regs; 7 8 unsigned int flags; 9#define EBUS_DMA_FLAG_USE_EBDMA_HANDLER 0x00000001 10#define EBUS_DMA_FLAG_TCI_DISABLE 0x00000002 11 12 /* These are only valid is EBUS_DMA_FLAG_USE_EBDMA_HANDLER is 13 * set. 14 */ 15 void (*callback)(struct ebus_dma_info *p, int event, void *cookie); 16 void *client_cookie; 17 unsigned int irq; 18#define EBUS_DMA_EVENT_ERROR 1 19#define EBUS_DMA_EVENT_DMA 2 20#define EBUS_DMA_EVENT_DEVICE 4 21 22 unsigned char name[64]; 23}; 24 25extern int ebus_dma_register(struct ebus_dma_info *p); 26extern int ebus_dma_irq_enable(struct ebus_dma_info *p, int on); 27extern void ebus_dma_unregister(struct ebus_dma_info *p); 28extern int ebus_dma_request(struct ebus_dma_info *p, dma_addr_t bus_addr, 29 size_t len); 30extern void ebus_dma_prepare(struct ebus_dma_info *p, int write); 31extern unsigned int ebus_dma_residue(struct ebus_dma_info *p); 32extern unsigned int ebus_dma_addr(struct ebus_dma_info *p); 33extern void ebus_dma_enable(struct ebus_dma_info *p, int on); 34 35#endif /* __ASM_SPARC_EBUS_DMA_H */ 36