1 /* $Id: ebus.h,v 1.10 2001/03/14 05:00:55 davem Exp $
2 * ebus.h: PCI to Ebus pseudo driver software state.
4 * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be)
5 * Copyright (C) 1999 David S. Miller (davem@redhat.com)
8 #ifndef __SPARC64_EBUS_H
9 #define __SPARC64_EBUS_H
12 #include <asm/oplib.h>
14 #include <asm/of_device.h>
16 struct linux_ebus_child
{
17 struct linux_ebus_child
*next
;
18 struct linux_ebus_device
*parent
;
19 struct linux_ebus
*bus
;
20 struct device_node
*prom_node
;
21 struct resource resource
[PROMREG_MAX
];
23 unsigned int irqs
[PROMINTR_MAX
];
27 struct linux_ebus_device
{
28 struct of_device ofdev
;
29 struct linux_ebus_device
*next
;
30 struct linux_ebus_child
*children
;
31 struct linux_ebus
*bus
;
32 struct device_node
*prom_node
;
33 struct resource resource
[PROMREG_MAX
];
35 unsigned int irqs
[PROMINTR_MAX
];
38 #define to_ebus_device(d) container_of(d, struct linux_ebus_device, ofdev.dev)
41 struct of_device ofdev
;
42 struct linux_ebus
*next
;
43 struct linux_ebus_device
*devices
;
44 struct pci_pbm_info
*parent
;
48 struct device_node
*prom_node
;
50 #define to_ebus(d) container_of(d, struct linux_ebus, ofdev.dev)
52 struct ebus_dma_info
{
57 #define EBUS_DMA_FLAG_USE_EBDMA_HANDLER 0x00000001
58 #define EBUS_DMA_FLAG_TCI_DISABLE 0x00000002
60 /* These are only valid is EBUS_DMA_FLAG_USE_EBDMA_HANDLER is
63 void (*callback
)(struct ebus_dma_info
*p
, int event
, void *cookie
);
66 #define EBUS_DMA_EVENT_ERROR 1
67 #define EBUS_DMA_EVENT_DMA 2
68 #define EBUS_DMA_EVENT_DEVICE 4
70 unsigned char name
[64];
73 extern int ebus_dma_register(struct ebus_dma_info
*p
);
74 extern int ebus_dma_irq_enable(struct ebus_dma_info
*p
, int on
);
75 extern void ebus_dma_unregister(struct ebus_dma_info
*p
);
76 extern int ebus_dma_request(struct ebus_dma_info
*p
, dma_addr_t bus_addr
,
78 extern void ebus_dma_prepare(struct ebus_dma_info
*p
, int write
);
79 extern unsigned int ebus_dma_residue(struct ebus_dma_info
*p
);
80 extern unsigned int ebus_dma_addr(struct ebus_dma_info
*p
);
81 extern void ebus_dma_enable(struct ebus_dma_info
*p
, int on
);
83 extern struct linux_ebus
*ebus_chain
;
85 extern void ebus_init(void);
87 #define for_each_ebus(bus) \
88 for((bus) = ebus_chain; (bus); (bus) = (bus)->next)
90 #define for_each_ebusdev(dev, bus) \
91 for((dev) = (bus)->devices; (dev); (dev) = (dev)->next)
93 #define for_each_edevchild(dev, child) \
94 for((child) = (dev)->children; (child); (child) = (child)->next)
96 #endif /* !(__SPARC64_EBUS_H) */
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