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Diffstat (limited to 'drivers/comedi/drivers/das08.h')
| -rw-r--r-- | drivers/comedi/drivers/das08.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/comedi/drivers/das08.h b/drivers/comedi/drivers/das08.h new file mode 100644 index 000000000..ef65a7e50 --- /dev/null +++ b/drivers/comedi/drivers/das08.h @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * das08.h + * + * Header for common DAS08 support (used by ISA/PCI/PCMCIA drivers) + * + * Copyright (C) 2003 Frank Mori Hess <fmhess@users.sourceforge.net> + */ + +#ifndef _DAS08_H +#define _DAS08_H + +#include <linux/types.h> + +struct comedi_device; + +/* different ways ai data is encoded in first two registers */ +enum das08_ai_encoding { das08_encode12, das08_encode16, das08_pcm_encode12 }; +/* types of ai range table used by different boards */ +enum das08_lrange { + das08_pg_none, das08_bipolar5, das08_pgh, das08_pgl, das08_pgm +}; + +struct das08_board_struct { + const char *name; + bool is_jr; /* true for 'JR' boards */ + unsigned int ai_nbits; + enum das08_lrange ai_pg; + enum das08_ai_encoding ai_encoding; + unsigned int ao_nbits; + unsigned int di_nchan; + unsigned int do_nchan; + unsigned int i8255_offset; + unsigned int i8254_offset; + unsigned int iosize; /* number of ioports used */ +}; + +struct das08_private_struct { + /* bits for do/mux register on boards without separate do register */ + unsigned int do_mux_bits; + const unsigned int *pg_gainlist; +}; + +int das08_common_attach(struct comedi_device *dev, unsigned long iobase); + +#endif /* _DAS08_H */ |