|  | /* | 
|  | * Common Definitions for Janz MODULbus devices | 
|  | * | 
|  | * Copyright (c) 2010 Ira W. Snyder <iws@ovro.caltech.edu> | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or modify it | 
|  | * under the terms of the GNU General Public License as published by the | 
|  | * Free Software Foundation; either version 2 of the License, or (at your | 
|  | * option) any later version. | 
|  | */ | 
|  |  | 
|  | #ifndef JANZ_H | 
|  | #define JANZ_H | 
|  |  | 
|  | struct janz_platform_data { | 
|  | /* MODULbus Module Number */ | 
|  | unsigned int modno; | 
|  | }; | 
|  |  | 
|  | /* PLX bridge chip onboard registers */ | 
|  | struct janz_cmodio_onboard_regs { | 
|  | u8 unused1; | 
|  |  | 
|  | /* | 
|  | * Read access: interrupt status | 
|  | * Write access: interrupt disable | 
|  | */ | 
|  | u8 int_disable; | 
|  | u8 unused2; | 
|  |  | 
|  | /* | 
|  | * Read access: MODULbus number (hex switch) | 
|  | * Write access: interrupt enable | 
|  | */ | 
|  | u8 int_enable; | 
|  | u8 unused3; | 
|  |  | 
|  | /* write-only */ | 
|  | u8 reset_assert; | 
|  | u8 unused4; | 
|  |  | 
|  | /* write-only */ | 
|  | u8 reset_deassert; | 
|  | u8 unused5; | 
|  |  | 
|  | /* read-write access to serial EEPROM */ | 
|  | u8 eep; | 
|  | u8 unused6; | 
|  |  | 
|  | /* write-only access to EEPROM chip select */ | 
|  | u8 enid; | 
|  | }; | 
|  |  | 
|  | #endif /* JANZ_H */ |