diff options
Diffstat (limited to 'drivers/staging/comedi/kcomedilib/dio.c')
-rw-r--r-- | drivers/staging/comedi/kcomedilib/dio.c | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/drivers/staging/comedi/kcomedilib/dio.c b/drivers/staging/comedi/kcomedilib/dio.c deleted file mode 100644 index 30192f3c4652..000000000000 --- a/drivers/staging/comedi/kcomedilib/dio.c +++ /dev/null @@ -1,95 +0,0 @@ -/* - kcomedilib/dio.c - implements comedi_dio_*() functions - - COMEDI - Linux Control and Measurement Device Interface - Copyright (C) 2000 David A. Schleef <ds@schleef.org> - - 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. - -*/ - -#include "../comedi.h" -#include "../comedilib.h" - -#include <linux/string.h> - -int comedi_dio_config(void *dev, unsigned int subdev, unsigned int chan, - unsigned int io) -{ - struct comedi_insn insn; - - memset(&insn, 0, sizeof(insn)); - insn.insn = INSN_CONFIG; - insn.n = 1; - insn.data = &io; - insn.subdev = subdev; - insn.chanspec = CR_PACK(chan, 0, 0); - - return comedi_do_insn(dev, &insn); -} - -int comedi_dio_read(void *dev, unsigned int subdev, unsigned int chan, - unsigned int *val) -{ - struct comedi_insn insn; - - memset(&insn, 0, sizeof(insn)); - insn.insn = INSN_READ; - insn.n = 1; - insn.data = val; - insn.subdev = subdev; - insn.chanspec = CR_PACK(chan, 0, 0); - - return comedi_do_insn(dev, &insn); -} - -int comedi_dio_write(void *dev, unsigned int subdev, unsigned int chan, - unsigned int val) -{ - struct comedi_insn insn; - - memset(&insn, 0, sizeof(insn)); - insn.insn = INSN_WRITE; - insn.n = 1; - insn.data = &val; - insn.subdev = subdev; - insn.chanspec = CR_PACK(chan, 0, 0); - - return comedi_do_insn(dev, &insn); -} - -int comedi_dio_bitfield(void *dev, unsigned int subdev, unsigned int mask, - unsigned int *bits) -{ - struct comedi_insn insn; - unsigned int data[2]; - int ret; - - memset(&insn, 0, sizeof(insn)); - insn.insn = INSN_BITS; - insn.n = 2; - insn.data = data; - insn.subdev = subdev; - - data[0] = mask; - data[1] = *bits; - - ret = comedi_do_insn(dev, &insn); - - *bits = data[1]; - - return ret; -} |