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