diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/das08.h')
| -rw-r--r-- | drivers/staging/comedi/drivers/das08.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/staging/comedi/drivers/das08.h b/drivers/staging/comedi/drivers/das08.h new file mode 100644 index 000000000000..69089ce690f2 --- /dev/null +++ b/drivers/staging/comedi/drivers/das08.h @@ -0,0 +1,78 @@ +/* + das08.h + + Header for das08.c and das08_cs.c + + Copyright (C) 2003 Frank Mori Hess <fmhess@users.sourceforge.net> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#ifndef _DAS08_H +#define _DAS08_H + +enum das08_bustype { isa, pci, pcmcia, pc104 }; +// different ways ai data is encoded in first two registers +enum das08_ai_encoding { das08_encode12, das08_encode16, das08_pcm_encode12 }; +enum das08_lrange { das08_pg_none, das08_bipolar5, das08_pgh, das08_pgl, + das08_pgm }; + +struct das08_board_struct { + const char *name; + unsigned int id; // id for pci/pcmcia boards + enum das08_bustype bustype; + void *ai; + unsigned int ai_nbits; + enum das08_lrange ai_pg; + enum das08_ai_encoding ai_encoding; + void *ao; + unsigned int ao_nbits; + void *di; + void *do_; + unsigned int do_nchan; + unsigned int i8255_offset; + unsigned int i8254_offset; + unsigned int iosize; // number of ioports used +}; + +struct i8254_struct { + int channels; // available channels. Some could be used internally. + int logic2phys[3]; // to know which physical channel is. + int mode[3]; // the index is the real counter. + unsigned int iobase; +}; + +#define I8254_CNT0 0 +#define I8254_CNT1 1 +#define I8254_CNT2 2 +#define I8254_CTRL 3 + +struct das08_private_struct { + unsigned int do_mux_bits; // bits for do/mux register on boards without seperate do register + unsigned int do_bits; // bits for do register on boards with register dedicated to digital out only + const unsigned int *pg_gainlist; + struct pci_dev *pdev; // struct for pci-das08 + unsigned int pci_iobase; // additional base address for pci-das08 + struct i8254_struct i8254; +}; + +#define NUM_DAS08_CS_BOARDS 2 +extern struct das08_board_struct das08_cs_boards[NUM_DAS08_CS_BOARDS]; + +int das08_common_attach(struct comedi_device * dev, unsigned long iobase); +int das08_common_detach(struct comedi_device * dev); + +#endif /* _DAS08_H */ |