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1/* $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#include <asm/prom.h>
17#include <asm/of_device.h>
18
19struct linux_ebus_child {
20 struct linux_ebus_child *next;
21 struct linux_ebus_device *parent;
22 struct linux_ebus *bus;
23 struct device_node *prom_node;
24 struct resource resource[PROMREG_MAX];
25 int num_addrs;
26 unsigned int irqs[PROMINTR_MAX];
27 int num_irqs;
28};
29
30struct linux_ebus_device {
31 struct of_device ofdev;
32 struct linux_ebus_device *next;
33 struct linux_ebus_child *children;
34 struct linux_ebus *bus;
35 struct device_node *prom_node;
36 struct resource resource[PROMREG_MAX];
37 int num_addrs;
38 unsigned int irqs[PROMINTR_MAX];
39 int num_irqs;
40};
41#define to_ebus_device(d) container_of(d, struct linux_ebus_device, ofdev.dev)
42
43struct linux_ebus {
44 struct of_device ofdev;
45 struct linux_ebus *next;
46 struct linux_ebus_device *devices;
47 struct linux_pbm_info *parent;
48 struct pci_dev *self;
49 struct device_node *prom_node;
50};
51#define to_ebus(d) container_of(d, struct linux_ebus, ofdev.dev)
52
53struct linux_ebus_dma {
54 unsigned int dcsr;
55 unsigned int dacr;
56 unsigned int dbcr;
57};
58
59#define EBUS_DCSR_INT_PEND 0x00000001
60#define EBUS_DCSR_ERR_PEND 0x00000002
61#define EBUS_DCSR_DRAIN 0x00000004
62#define EBUS_DCSR_INT_EN 0x00000010
63#define EBUS_DCSR_RESET 0x00000080
64#define EBUS_DCSR_WRITE 0x00000100
65#define EBUS_DCSR_EN_DMA 0x00000200
66#define EBUS_DCSR_CYC_PEND 0x00000400
67#define EBUS_DCSR_DIAG_RD_DONE 0x00000800
68#define EBUS_DCSR_DIAG_WR_DONE 0x00001000
69#define EBUS_DCSR_EN_CNT 0x00002000
70#define EBUS_DCSR_TC 0x00004000
71#define EBUS_DCSR_DIS_CSR_DRN 0x00010000
72#define EBUS_DCSR_BURST_SZ_MASK 0x000c0000
73#define EBUS_DCSR_BURST_SZ_1 0x00080000
74#define EBUS_DCSR_BURST_SZ_4 0x00000000
75#define EBUS_DCSR_BURST_SZ_8 0x00040000
76#define EBUS_DCSR_BURST_SZ_16 0x000c0000
77#define EBUS_DCSR_DIAG_EN 0x00100000
78#define EBUS_DCSR_DIS_ERR_PEND 0x00400000
79#define EBUS_DCSR_TCI_DIS 0x00800000
80#define EBUS_DCSR_EN_NEXT 0x01000000
81#define EBUS_DCSR_DMA_ON 0x02000000
82#define EBUS_DCSR_A_LOADED 0x04000000
83#define EBUS_DCSR_NA_LOADED 0x08000000
84#define EBUS_DCSR_DEV_ID_MASK 0xf0000000
85
86extern struct linux_ebus *ebus_chain;
87
88extern void ebus_init(void);
89
90#define for_each_ebus(bus) \
91 for((bus) = ebus_chain; (bus); (bus) = (bus)->next)
92
93#define for_each_ebusdev(dev, bus) \
94 for((dev) = (bus)->devices; (dev); (dev) = (dev)->next)
95
96#define for_each_edevchild(dev, child) \
97 for((child) = (dev)->children; (child); (child) = (child)->next)
98
99#endif /* !(__SPARC_EBUS_H) */