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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* $Id: ebus.h,v 1.2 1999/09/11 23:05:55 zaitcev Exp $
2 * ebus.h: PCI to Ebus pseudo driver software state.
3 *
4 * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be)
5 *
6 * Adopted for sparc by V. Roganov and G. Raiko.
7 */
8
9#ifndef __SPARC_EBUS_H
10#define __SPARC_EBUS_H
11
12#ifndef _LINUX_IOPORT_H
13#include <linux/ioport.h>
14#endif
15#include <asm/oplib.h>
16
17struct linux_ebus_child {
18 struct linux_ebus_child *next;
19 struct linux_ebus_device *parent;
20 struct linux_ebus *bus;
21 int prom_node;
22 char prom_name[64];
23 struct resource resource[PROMREG_MAX];
24 int num_addrs;
25 unsigned int irqs[PROMINTR_MAX];
26 int num_irqs;
27};
28
29struct linux_ebus_device {
30 struct linux_ebus_device *next;
31 struct linux_ebus_child *children;
32 struct linux_ebus *bus;
33 int prom_node;
34 char prom_name[64];
35 struct resource resource[PROMREG_MAX];
36 int num_addrs;
37 unsigned int irqs[PROMINTR_MAX];
38 int num_irqs;
39};
40
41struct linux_ebus {
42 struct linux_ebus *next;
43 struct linux_ebus_device *devices;
44 struct linux_pbm_info *parent;
45 struct pci_dev *self;
46 int prom_node;
47 char prom_name[64];
48 struct linux_prom_ebus_ranges ebus_ranges[PROMREG_MAX];
49 int num_ebus_ranges;
50};
51
52struct linux_ebus_dma {
53 unsigned int dcsr;
54 unsigned int dacr;
55 unsigned int dbcr;
56};
57
58#define EBUS_DCSR_INT_PEND 0x00000001
59#define EBUS_DCSR_ERR_PEND 0x00000002
60#define EBUS_DCSR_DRAIN 0x00000004
61#define EBUS_DCSR_INT_EN 0x00000010
62#define EBUS_DCSR_RESET 0x00000080
63#define EBUS_DCSR_WRITE 0x00000100
64#define EBUS_DCSR_EN_DMA 0x00000200
65#define EBUS_DCSR_CYC_PEND 0x00000400
66#define EBUS_DCSR_DIAG_RD_DONE 0x00000800
67#define EBUS_DCSR_DIAG_WR_DONE 0x00001000
68#define EBUS_DCSR_EN_CNT 0x00002000
69#define EBUS_DCSR_TC 0x00004000
70#define EBUS_DCSR_DIS_CSR_DRN 0x00010000
71#define EBUS_DCSR_BURST_SZ_MASK 0x000c0000
72#define EBUS_DCSR_BURST_SZ_1 0x00080000
73#define EBUS_DCSR_BURST_SZ_4 0x00000000
74#define EBUS_DCSR_BURST_SZ_8 0x00040000
75#define EBUS_DCSR_BURST_SZ_16 0x000c0000
76#define EBUS_DCSR_DIAG_EN 0x00100000
77#define EBUS_DCSR_DIS_ERR_PEND 0x00400000
78#define EBUS_DCSR_TCI_DIS 0x00800000
79#define EBUS_DCSR_EN_NEXT 0x01000000
80#define EBUS_DCSR_DMA_ON 0x02000000
81#define EBUS_DCSR_A_LOADED 0x04000000
82#define EBUS_DCSR_NA_LOADED 0x08000000
83#define EBUS_DCSR_DEV_ID_MASK 0xf0000000
84
85extern struct linux_ebus *ebus_chain;
86
87extern void ebus_init(void);
88
89#define for_each_ebus(bus) \
90 for((bus) = ebus_chain; (bus); (bus) = (bus)->next)
91
92#define for_each_ebusdev(dev, bus) \
93 for((dev) = (bus)->devices; (dev); (dev) = (dev)->next)
94
95#define for_each_edevchild(dev, child) \
96 for((child) = (dev)->children; (child); (child) = (child)->next)
97
98#endif /* !(__SPARC_EBUS_H) */