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Filename/usr/src/linux-headers-3.13.0-24/arch/sparc/include/asm/ebus_dma.h
Size1.09 kb
Permissionrw-r--r--
Ownerroot : root
Create time27-Apr-2025 09:50
Last modified20-Jan-2014 10:40
Last accessed06-Jul-2025 19:47
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#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];
};

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

#endif /* __ASM_SPARC_EBUS_DMA_H */