[deliverable/linux.git] / arch / sparc / include / asm / ebus_dma.h

#ifndef __ASM_SPARC_EBUS_DMA_H
#define __ASM_SPARC_EBUS_DMA_H

struct ebus_dma_info {
	spinlock_t	lock;
	void __iomem	*regs;

	unsigned int	flags;
#define EBUS_DMA_FLAG_USE_EBDMA_HANDLER		0x00000001
#define EBUS_DMA_FLAG_TCI_DISABLE		0x00000002

	/* These are only valid is EBUS_DMA_FLAG_USE_EBDMA_HANDLER is
	 * set.
	 */
	void (*callback)(struct ebus_dma_info *p, int event, void *cookie);
	void *client_cookie;
	unsigned int	irq;
#define EBUS_DMA_EVENT_ERROR	1
#define EBUS_DMA_EVENT_DMA	2
#define EBUS_DMA_EVENT_DEVICE	4

	unsigned char	name[64];
};

int ebus_dma_register(struct ebus_dma_info *p);
int ebus_dma_irq_enable(struct ebus_dma_info *p, int on);
void ebus_dma_unregister(struct ebus_dma_info *p);
int ebus_dma_request(struct ebus_dma_info *p, dma_addr_t bus_addr,
			    size_t len);
void ebus_dma_prepare(struct ebus_dma_info *p, int write);
unsigned int ebus_dma_residue(struct ebus_dma_info *p);
unsigned int ebus_dma_addr(struct ebus_dma_info *p);
void ebus_dma_enable(struct ebus_dma_info *p, int on);

#endif /* __ASM_SPARC_EBUS_DMA_H */
Commit	Line	Data
aae7fb87 DM	1	#ifndef __ASM_SPARC_EBUS_DMA_H
	2	#define __ASM_SPARC_EBUS_DMA_H
	3
	4	struct 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
f05a6865 SR	25	int ebus_dma_register(struct ebus_dma_info *p);
	26	int ebus_dma_irq_enable(struct ebus_dma_info *p, int on);
	27	void ebus_dma_unregister(struct ebus_dma_info *p);
	28	int ebus_dma_request(struct ebus_dma_info *p, dma_addr_t bus_addr,
aae7fb87	29	size_t len);
f05a6865 SR	30	void ebus_dma_prepare(struct ebus_dma_info *p, int write);
	31	unsigned int ebus_dma_residue(struct ebus_dma_info *p);
	32	unsigned int ebus_dma_addr(struct ebus_dma_info *p);
	33	void ebus_dma_enable(struct ebus_dma_info *p, int on);
aae7fb87 DM	34
aae7fb87 DM	35	#endif /* __ASM_SPARC_EBUS_DMA_H */