| /* 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 */ |
