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Ira W. Snyderbd358132010-04-07 09:43:00 +02001/*
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
15struct janz_platform_data {
16 /* MODULbus Module Number */
17 unsigned int modno;
18};
19
20/* PLX bridge chip onboard registers */
21struct 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 */