1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
2 | /* |
3 | * das08.h |
4 | * |
5 | * Header for common DAS08 support (used by ISA/PCI/PCMCIA drivers) |
6 | * |
7 | * Copyright (C) 2003 Frank Mori Hess <fmhess@users.sourceforge.net> |
8 | */ |
9 | |
10 | #ifndef _DAS08_H |
11 | #define _DAS08_H |
12 | |
13 | #include <linux/types.h> |
14 | |
15 | struct comedi_device; |
16 | |
17 | /* different ways ai data is encoded in first two registers */ |
18 | enum das08_ai_encoding { das08_encode12, das08_encode16, das08_pcm_encode12 }; |
19 | /* types of ai range table used by different boards */ |
20 | enum das08_lrange { |
21 | das08_pg_none, das08_bipolar5, das08_pgh, das08_pgl, das08_pgm |
22 | }; |
23 | |
24 | struct das08_board_struct { |
25 | const char *name; |
26 | bool is_jr; /* true for 'JR' boards */ |
27 | unsigned int ai_nbits; |
28 | enum das08_lrange ai_pg; |
29 | enum das08_ai_encoding ai_encoding; |
30 | unsigned int ao_nbits; |
31 | unsigned int di_nchan; |
32 | unsigned int do_nchan; |
33 | unsigned int i8255_offset; |
34 | unsigned int i8254_offset; |
35 | unsigned int iosize; /* number of ioports used */ |
36 | }; |
37 | |
38 | struct das08_private_struct { |
39 | /* bits for do/mux register on boards without separate do register */ |
40 | unsigned int do_mux_bits; |
41 | const unsigned int *pg_gainlist; |
42 | }; |
43 | |
44 | int das08_common_attach(struct comedi_device *dev, unsigned long iobase); |
45 | |
46 | #endif /* _DAS08_H */ |
47 | |