1 /* $Id: ebus.h,v 1.9 1999/08/30 10:14:37 davem Exp $
2 * ebus.h: PCI to Ebus pseudo driver software state.
3 *
4 * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be)
5 * Copyright (C) 1999 David S. Miller (davem@redhat.com)
6 */
7
8 #ifndef __SPARC64_EBUS_H
9 #define __SPARC64_EBUS_H
10
11 #include <asm/pbm.h>
12 #include <asm/oplib.h>
13
14 struct linux_ebus_child {
15 struct linux_ebus_child *next;
16 struct linux_ebus_device *parent;
17 struct linux_ebus *bus;
18 int prom_node;
19 char prom_name[64];
20 struct resource resource[PROMREG_MAX];
21 int num_addrs;
22 unsigned int irqs[PROMINTR_MAX];
23 int num_irqs;
24 };
25
26 struct linux_ebus_device {
27 struct linux_ebus_device *next;
28 struct linux_ebus_child *children;
29 struct linux_ebus *bus;
30 int prom_node;
31 char prom_name[64];
32 struct resource resource[PROMREG_MAX];
33 int num_addrs;
34 unsigned int irqs[PROMINTR_MAX];
35 int num_irqs;
36 };
37
38 struct linux_ebus {
39 struct linux_ebus *next;
40 struct linux_ebus_device *devices;
41 struct pci_pbm_info *parent;
42 struct pci_dev *self;
43 int index;
44 int prom_node;
45 char prom_name[64];
46 struct linux_prom_ebus_ranges ebus_ranges[PROMREG_MAX];
47 int num_ebus_ranges;
48 struct linux_prom_ebus_intmap ebus_intmap[PROMREG_MAX];
49 int num_ebus_intmap;
50 struct linux_prom_ebus_intmask ebus_intmask;
51 };
52
53 struct 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
86 extern struct linux_ebus *ebus_chain;
87
88 extern 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 /* !(__SPARC64_EBUS_H) */
100
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