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