| /* SPDX-License-Identifier: GPL-2.0-or-later */ | |
| /* | |
| * Common Definitions for Janz MODULbus devices | |
| * | |
| * Copyright (c) 2010 Ira W. Snyder <iws@ovro.caltech.edu> | |
| */ | |
| #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 */ |