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- /* SPDX-License-Identifier: GPL-2.0-or-later */
- /*
- * Common Definitions for Janz MODULbus devices
- *
- * Copyright (c) 2010 Ira W. Snyder <[email protected]>
- */
- #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 */
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