| Ira W. Snyder | bd35813 | 2010-04-07 09:43:00 +0200 | [diff] [blame] | 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 */ |