1 /* 2 das08.h 3 4 Header for das08.c and das08_cs.c 5 6 Copyright (C) 2003 Frank Mori Hess <fmhess@users.sourceforge.net> 7 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. 12 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. 17 18 You should have received a copy of the GNU General Public License 19 along with this program; if not, write to the Free Software 20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 22 */ 23 24 #ifndef _DAS08_H 25 #define _DAS08_H 26 27 enum das08_bustype { isa, pci, pcmcia, pc104 }; 28 /* different ways ai data is encoded in first two registers */ 29 enum das08_ai_encoding { das08_encode12, das08_encode16, das08_pcm_encode12 }; 30 enum das08_lrange { das08_pg_none, das08_bipolar5, das08_pgh, das08_pgl, 31 das08_pgm 32 }; 33 34 struct das08_board_struct { 35 const char *name; 36 unsigned int id; /* id for pci/pcmcia boards */ 37 enum das08_bustype bustype; 38 void *ai; 39 unsigned int ai_nbits; 40 enum das08_lrange ai_pg; 41 enum das08_ai_encoding ai_encoding; 42 void *ao; 43 unsigned int ao_nbits; 44 void *di; 45 void *do_; 46 unsigned int do_nchan; 47 unsigned int i8255_offset; 48 unsigned int i8254_offset; 49 unsigned int iosize; /* number of ioports used */ 50 }; 51 52 struct i8254_struct { 53 int channels; /* available channels. Some could be used internally. */ 54 int logic2phys[3]; /* to know which physical channel is. */ 55 int mode[3]; /* the index is the real counter. */ 56 unsigned int iobase; 57 }; 58 59 #define I8254_CNT0 0 60 #define I8254_CNT1 1 61 #define I8254_CNT2 2 62 #define I8254_CTRL 3 63 64 struct das08_private_struct { 65 unsigned int do_mux_bits; /* bits for do/mux register on boards without separate do register */ 66 unsigned int do_bits; /* bits for do register on boards with register dedicated to digital out only */ 67 const unsigned int *pg_gainlist; 68 struct pci_dev *pdev; /* struct for pci-das08 */ 69 unsigned int pci_iobase; /* additional base address for pci-das08 */ 70 struct i8254_struct i8254; 71 }; 72 73 #define NUM_DAS08_CS_BOARDS 2 74 extern struct das08_board_struct das08_cs_boards[NUM_DAS08_CS_BOARDS]; 75 76 int das08_common_attach(struct comedi_device *dev, unsigned long iobase); 77 int das08_common_detach(struct comedi_device *dev); 78 79 #endif /* _DAS08_H */ 80