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1da177e4 LT |
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) */ |