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
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 */
55