55 lines
1.0 KiB
C
55 lines
1.0 KiB
C
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/*
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* Common Definitions for Janz MODULbus devices
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*
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* Copyright (c) 2010 Ira W. Snyder <iws@ovro.caltech.edu>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#ifndef JANZ_H
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#define JANZ_H
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struct janz_platform_data {
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/* MODULbus Module Number */
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unsigned int modno;
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};
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/* PLX bridge chip onboard registers */
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struct janz_cmodio_onboard_regs {
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u8 unused1;
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/*
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* Read access: interrupt status
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* Write access: interrupt disable
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*/
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u8 int_disable;
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u8 unused2;
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/*
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* Read access: MODULbus number (hex switch)
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* Write access: interrupt enable
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*/
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u8 int_enable;
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u8 unused3;
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/* write-only */
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u8 reset_assert;
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u8 unused4;
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/* write-only */
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u8 reset_deassert;
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u8 unused5;
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/* read-write access to serial EEPROM */
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u8 eep;
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u8 unused6;
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/* write-only access to EEPROM chip select */
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u8 enid;
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};
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#endif /* JANZ_H */
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