4 * Header for common DAS08 support (used by ISA/PCI/PCMCIA drivers)
6 * Copyright (C) 2003 Frank Mori Hess <fmhess@users.sourceforge.net>
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.
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.
22 #include <linux/types.h>
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 */
30 das08_pg_none, das08_bipolar5, das08_pgh, das08_pgl, das08_pgm
33 struct das08_board_struct {
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 */
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;
53 int das08_common_attach(struct comedi_device *dev, unsigned long iobase);