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
17 struct 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
29 struct 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
41 struct 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
52 struct 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
85 extern struct linux_ebus *ebus_chain;
86
87 extern 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) */
99
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