1 /* SPDX-License-Identifier: GPL-2.0-or-later * 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* 2 /*
3 * Common Definitions for Janz MODULbus device 3 * Common Definitions for Janz MODULbus devices
4 * 4 *
5 * Copyright (c) 2010 Ira W. Snyder <iws@ovro. 5 * Copyright (c) 2010 Ira W. Snyder <iws@ovro.caltech.edu>
6 */ 6 */
7 7
8 #ifndef JANZ_H 8 #ifndef JANZ_H
9 #define JANZ_H 9 #define JANZ_H
10 10
11 struct janz_platform_data { 11 struct janz_platform_data {
12 /* MODULbus Module Number */ 12 /* MODULbus Module Number */
13 unsigned int modno; 13 unsigned int modno;
14 }; 14 };
15 15
16 /* PLX bridge chip onboard registers */ 16 /* PLX bridge chip onboard registers */
17 struct janz_cmodio_onboard_regs { 17 struct janz_cmodio_onboard_regs {
18 u8 unused1; 18 u8 unused1;
19 19
20 /* 20 /*
21 * Read access: interrupt status 21 * Read access: interrupt status
22 * Write access: interrupt disable 22 * Write access: interrupt disable
23 */ 23 */
24 u8 int_disable; 24 u8 int_disable;
25 u8 unused2; 25 u8 unused2;
26 26
27 /* 27 /*
28 * Read access: MODULbus number (hex s 28 * Read access: MODULbus number (hex switch)
29 * Write access: interrupt enable 29 * Write access: interrupt enable
30 */ 30 */
31 u8 int_enable; 31 u8 int_enable;
32 u8 unused3; 32 u8 unused3;
33 33
34 /* write-only */ 34 /* write-only */
35 u8 reset_assert; 35 u8 reset_assert;
36 u8 unused4; 36 u8 unused4;
37 37
38 /* write-only */ 38 /* write-only */
39 u8 reset_deassert; 39 u8 reset_deassert;
40 u8 unused5; 40 u8 unused5;
41 41
42 /* read-write access to serial EEPROM 42 /* read-write access to serial EEPROM */
43 u8 eep; 43 u8 eep;
44 u8 unused6; 44 u8 unused6;
45 45
46 /* write-only access to EEPROM chip se 46 /* write-only access to EEPROM chip select */
47 u8 enid; 47 u8 enid;
48 }; 48 };
49 49
50 #endif /* JANZ_H */ 50 #endif /* JANZ_H */
51 51
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