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bd358132 IS |
1 | /* |
2 | * Common Definitions for Janz MODULbus devices | |
3 | * | |
4 | * Copyright (c) 2010 Ira W. Snyder <iws@ovro.caltech.edu> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2 of the License, or (at your | |
9 | * option) any later version. | |
10 | */ | |
11 | ||
12 | #ifndef JANZ_H | |
13 | #define JANZ_H | |
14 | ||
15 | struct janz_platform_data { | |
16 | /* MODULbus Module Number */ | |
17 | unsigned int modno; | |
18 | }; | |
19 | ||
20 | /* PLX bridge chip onboard registers */ | |
21 | struct janz_cmodio_onboard_regs { | |
22 | u8 unused1; | |
23 | ||
24 | /* | |
25 | * Read access: interrupt status | |
26 | * Write access: interrupt disable | |
27 | */ | |
28 | u8 int_disable; | |
29 | u8 unused2; | |
30 | ||
31 | /* | |
32 | * Read access: MODULbus number (hex switch) | |
33 | * Write access: interrupt enable | |
34 | */ | |
35 | u8 int_enable; | |
36 | u8 unused3; | |
37 | ||
38 | /* write-only */ | |
39 | u8 reset_assert; | |
40 | u8 unused4; | |
41 | ||
42 | /* write-only */ | |
43 | u8 reset_deassert; | |
44 | u8 unused5; | |
45 | ||
46 | /* read-write access to serial EEPROM */ | |
47 | u8 eep; | |
48 | u8 unused6; | |
49 | ||
50 | /* write-only access to EEPROM chip select */ | |
51 | u8 enid; | |
52 | }; | |
53 | ||
54 | #endif /* JANZ_H */ |