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
25int ebus_dma_register(struct ebus_dma_info *p);
26int ebus_dma_irq_enable(struct ebus_dma_info *p, int on);
27void ebus_dma_unregister(struct ebus_dma_info *p);
28int ebus_dma_request(struct ebus_dma_info *p, dma_addr_t bus_addr,
29			    size_t len);
30void ebus_dma_prepare(struct ebus_dma_info *p, int write);
31unsigned int ebus_dma_residue(struct ebus_dma_info *p);
32unsigned int ebus_dma_addr(struct ebus_dma_info *p);
33void ebus_dma_enable(struct ebus_dma_info *p, int on);
34
35#endif /* __ASM_SPARC_EBUS_DMA_H */
36