/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* das08.h
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*
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* Header for common DAS08 support (used by ISA/PCI/PCMCIA drivers)
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*
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* Copyright (C) 2003 Frank Mori Hess <fmhess@users.sourceforge.net>
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*/
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#ifndef _DAS08_H
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#define _DAS08_H
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#include <linux/types.h>
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struct comedi_device;
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/* different ways ai data is encoded in first two registers */
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enum das08_ai_encoding { das08_encode12, das08_encode16, das08_pcm_encode12 };
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/* types of ai range table used by different boards */
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enum das08_lrange {
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das08_pg_none, das08_bipolar5, das08_pgh, das08_pgl, das08_pgm
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};
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struct das08_board_struct {
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const char *name;
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bool is_jr; /* true for 'JR' boards */
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unsigned int ai_nbits;
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enum das08_lrange ai_pg;
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enum das08_ai_encoding ai_encoding;
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unsigned int ao_nbits;
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unsigned int di_nchan;
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unsigned int do_nchan;
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unsigned int i8255_offset;
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unsigned int i8254_offset;
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unsigned int iosize; /* number of ioports used */
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};
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struct das08_private_struct {
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/* bits for do/mux register on boards without separate do register */
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unsigned int do_mux_bits;
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const unsigned int *pg_gainlist;
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};
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int das08_common_attach(struct comedi_device *dev, unsigned long iobase);
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#endif /* _DAS08_H */
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