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/*
das08.h
Header for das08.c and das08_cs.c
Copyright (C) 2003 Frank Mori Hess <fmhess@users.sourceforge.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _DAS08_H
#define _DAS08_H
enum das08_bustype { isa, pci, pcmcia, pc104 };
// different ways ai data is encoded in first two registers
enum das08_ai_encoding { das08_encode12, das08_encode16, das08_pcm_encode12 };
enum das08_lrange { das08_pg_none, das08_bipolar5, das08_pgh, das08_pgl,
das08_pgm };
struct das08_board_struct {
const char *name;
unsigned int id; // id for pci/pcmcia boards
enum das08_bustype bustype;
void *ai;
unsigned int ai_nbits;
enum das08_lrange ai_pg;
enum das08_ai_encoding ai_encoding;
void *ao;
unsigned int ao_nbits;
void *di;
void *do_;
unsigned int do_nchan;
unsigned int i8255_offset;
unsigned int i8254_offset;
unsigned int iosize; // number of ioports used
};
struct i8254_struct {
int channels; // available channels. Some could be used internally.
int logic2phys[3]; // to know which physical channel is.
int mode[3]; // the index is the real counter.
unsigned int iobase;
};
#define I8254_CNT0 0
#define I8254_CNT1 1
#define I8254_CNT2 2
#define I8254_CTRL 3
struct das08_private_struct {
unsigned int do_mux_bits; // bits for do/mux register on boards without seperate do register
unsigned int do_bits; // bits for do register on boards with register dedicated to digital out only
const unsigned int *pg_gainlist;
struct pci_dev *pdev; // struct for pci-das08
unsigned int pci_iobase; // additional base address for pci-das08
struct i8254_struct i8254;
};
#define NUM_DAS08_CS_BOARDS 2
extern struct das08_board_struct das08_cs_boards[NUM_DAS08_CS_BOARDS];
int das08_common_attach(struct comedi_device * dev, unsigned long iobase);
int das08_common_detach(struct comedi_device * dev);
#endif /* _DAS08_H */
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