blob: 543e4e500a72f46d882fd1f9cf7a5d2ddd3f9114 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/* $Id: ebus.h,v 1.10 2001/03/14 05:00:55 davem Exp $
* ebus.h: PCI to Ebus pseudo driver software state.
*
* Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be)
* Copyright (C) 1999 David S. Miller (davem@redhat.com)
*/
#ifndef __SPARC64_EBUS_H
#define __SPARC64_EBUS_H
#include <asm/pbm.h>
#include <asm/oplib.h>
struct linux_ebus_child {
struct linux_ebus_child *next;
struct linux_ebus_device *parent;
struct linux_ebus *bus;
int prom_node;
char prom_name[64];
struct resource resource[PROMREG_MAX];
int num_addrs;
unsigned int irqs[PROMINTR_MAX];
int num_irqs;
};
struct linux_ebus_device {
struct linux_ebus_device *next;
struct linux_ebus_child *children;
struct linux_ebus *bus;
int prom_node;
char prom_name[64];
struct resource resource[PROMREG_MAX];
int num_addrs;
unsigned int irqs[PROMINTR_MAX];
int num_irqs;
};
struct linux_ebus {
struct linux_ebus *next;
struct linux_ebus_device *devices;
struct pci_pbm_info *parent;
struct pci_dev *self;
int index;
int is_rio;
int prom_node;
char prom_name[64];
struct linux_prom_ebus_ranges ebus_ranges[PROMREG_MAX];
int num_ebus_ranges;
struct linux_prom_ebus_intmap ebus_intmap[PROMREG_MAX];
int num_ebus_intmap;
struct linux_prom_ebus_intmask ebus_intmask;
};
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 void ebus_dma_enable(struct ebus_dma_info *p, int on);
extern struct linux_ebus *ebus_chain;
extern void ebus_init(void);
#define for_each_ebus(bus) \
for((bus) = ebus_chain; (bus); (bus) = (bus)->next)
#define for_each_ebusdev(dev, bus) \
for((dev) = (bus)->devices; (dev); (dev) = (dev)->next)
#define for_each_edevchild(dev, child) \
for((child) = (dev)->children; (child); (child) = (child)->next)
#endif /* !(__SPARC64_EBUS_H) */
|
