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/* 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 */