/* 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 */