1 /* 2 * das08.h 3 * 4 * Header for common DAS08 support (used by ISA/PCI/PCMCIA drivers) 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 19 #ifndef _DAS08_H 20 #define _DAS08_H 21 22 #include <linux/types.h> 23 24 struct comedi_device; 25 26 /* different ways ai data is encoded in first two registers */ 27 enum das08_ai_encoding { das08_encode12, das08_encode16, das08_pcm_encode12 }; 28 /* types of ai range table used by different boards */ 29 enum das08_lrange { 30 das08_pg_none, das08_bipolar5, das08_pgh, das08_pgl, das08_pgm 31 }; 32 33 struct das08_board_struct { 34 const char *name; 35 bool is_jr; /* true for 'JR' boards */ 36 unsigned int ai_nbits; 37 enum das08_lrange ai_pg; 38 enum das08_ai_encoding ai_encoding; 39 unsigned int ao_nbits; 40 unsigned int di_nchan; 41 unsigned int do_nchan; 42 unsigned int i8255_offset; 43 unsigned int i8254_offset; 44 unsigned int iosize; /* number of ioports used */ 45 }; 46 47 struct das08_private_struct { 48 /* bits for do/mux register on boards without separate do register */ 49 unsigned int do_mux_bits; 50 const unsigned int *pg_gainlist; 51 }; 52 53 int das08_common_attach(struct comedi_device *dev, unsigned long iobase); 54 55 #endif /* _DAS08_H */ 56