1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __ASM_SPARC_EBUS_DMA_H
 3#define __ASM_SPARC_EBUS_DMA_H
 4
 5struct ebus_dma_info {
 6	spinlock_t	lock;
 7	void __iomem	*regs;
 8
 9	unsigned int	flags;
10#define EBUS_DMA_FLAG_USE_EBDMA_HANDLER		0x00000001
11#define EBUS_DMA_FLAG_TCI_DISABLE		0x00000002
12
13	/* These are only valid is EBUS_DMA_FLAG_USE_EBDMA_HANDLER is
14	 * set.
15	 */
16	void (*callback)(struct ebus_dma_info *p, int event, void *cookie);
17	void *client_cookie;
18	unsigned int	irq;
19#define EBUS_DMA_EVENT_ERROR	1
20#define EBUS_DMA_EVENT_DMA	2
21#define EBUS_DMA_EVENT_DEVICE	4
22
23	unsigned char	name[64];
24};
25
26int ebus_dma_register(struct ebus_dma_info *p);
27int ebus_dma_irq_enable(struct ebus_dma_info *p, int on);
28void ebus_dma_unregister(struct ebus_dma_info *p);
29int ebus_dma_request(struct ebus_dma_info *p, dma_addr_t bus_addr,
30			    size_t len);
31void ebus_dma_prepare(struct ebus_dma_info *p, int write);
32unsigned int ebus_dma_residue(struct ebus_dma_info *p);
33unsigned int ebus_dma_addr(struct ebus_dma_info *p);
34void ebus_dma_enable(struct ebus_dma_info *p, int on);
35
36#endif /* __ASM_SPARC_EBUS_DMA_H */

 
 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 */