80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
/*
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das08.h
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Header for das08.c and das08_cs.c
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Copyright (C) 2003 Frank Mori Hess <fmhess@users.sourceforge.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _DAS08_H
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#define _DAS08_H
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enum das08_bustype { isa, pci, pcmcia, pc104 };
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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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enum das08_lrange { das08_pg_none, das08_bipolar5, das08_pgh, das08_pgl,
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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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unsigned int id; /* id for pci/pcmcia boards */
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enum das08_bustype bustype;
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void *ai;
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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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void *ao;
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unsigned int ao_nbits;
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void *di;
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void *do_;
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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 i8254_struct {
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int channels; /* available channels. Some could be used internally. */
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int logic2phys[3]; /* to know which physical channel is. */
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int mode[3]; /* the index is the real counter. */
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unsigned int iobase;
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};
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#define I8254_CNT0 0
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#define I8254_CNT1 1
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#define I8254_CNT2 2
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#define I8254_CTRL 3
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struct das08_private_struct {
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unsigned int do_mux_bits; /* bits for do/mux register on boards without seperate do register */
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unsigned int do_bits; /* bits for do register on boards with register dedicated to digital out only */
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const unsigned int *pg_gainlist;
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struct pci_dev *pdev; /* struct for pci-das08 */
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unsigned int pci_iobase; /* additional base address for pci-das08 */
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struct i8254_struct i8254;
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};
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#define NUM_DAS08_CS_BOARDS 2
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extern struct das08_board_struct das08_cs_boards[NUM_DAS08_CS_BOARDS];
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int das08_common_attach(struct comedi_device *dev, unsigned long iobase);
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int das08_common_detach(struct comedi_device *dev);
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#endif /* _DAS08_H */
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