1/* 2 das08.h 3 4 Header for das08.c and das08_cs.c 5 6 Copyright (C) 2003 Frank Mori Hess <fmhess@users.sourceforge.net> 7 8 This program is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 2 of the License, or 11 (at your option) any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program; if not, write to the Free Software 20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 22*/ 23 24#ifndef _DAS08_H 25#define _DAS08_H 26 27/* different ways ai data is encoded in first two registers */ 28enum das08_ai_encoding { das08_encode12, das08_encode16, das08_pcm_encode12 }; 29enum das08_lrange { das08_pg_none, das08_bipolar5, das08_pgh, das08_pgl, 30 das08_pgm 31}; 32 33struct das08_board_struct { 34 const char *name; 35 unsigned int id; /* id for pci/pcmcia boards */ 36 bool is_jr; /* true for 'JR' boards */ 37 unsigned int ai_nbits; 38 enum das08_lrange ai_pg; 39 enum das08_ai_encoding ai_encoding; 40 unsigned int ao_nbits; 41 unsigned int di_nchan; 42 unsigned int do_nchan; 43 unsigned int i8255_offset; 44 unsigned int i8254_offset; 45 unsigned int iosize; /* number of ioports used */ 46}; 47 48struct das08_private_struct { 49 unsigned int do_mux_bits; /* bits for do/mux register on boards without separate do register */ 50 unsigned int do_bits; /* bits for do register on boards with register dedicated to digital out only */ 51 const unsigned int *pg_gainlist; 52 unsigned int ao_readback[2]; /* assume 2 AO channels */ 53}; 54 55int das08_common_attach(struct comedi_device *dev, unsigned long iobase); 56void das08_common_detach(struct comedi_device *dev); 57 58#endif /* _DAS08_H */ 59