diff options
Diffstat (limited to 'drivers/staging/comedi/kcomedilib/data.c')
-rw-r--r-- | drivers/staging/comedi/kcomedilib/data.c | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/drivers/staging/comedi/kcomedilib/data.c b/drivers/staging/comedi/kcomedilib/data.c deleted file mode 100644 index aefc41ab7c46..000000000000 --- a/drivers/staging/comedi/kcomedilib/data.c +++ /dev/null @@ -1,92 +0,0 @@ -/* - kcomedilib/data.c - implements comedi_data_*() 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 "../comedidev.h" - -#include <linux/string.h> -#include <linux/delay.h> - -int comedi_data_write(void *dev, unsigned int subdev, unsigned int chan, - unsigned int range, unsigned int aref, unsigned int data) -{ - struct comedi_insn insn; - - memset(&insn, 0, sizeof(insn)); - insn.insn = INSN_WRITE; - insn.n = 1; - insn.data = &data; - insn.subdev = subdev; - insn.chanspec = CR_PACK(chan, range, aref); - - return comedi_do_insn(dev, &insn); -} - -int comedi_data_read(void *dev, unsigned int subdev, unsigned int chan, - unsigned int range, unsigned int aref, unsigned int *data) -{ - struct comedi_insn insn; - - memset(&insn, 0, sizeof(insn)); - insn.insn = INSN_READ; - insn.n = 1; - insn.data = data; - insn.subdev = subdev; - insn.chanspec = CR_PACK(chan, range, aref); - - return comedi_do_insn(dev, &insn); -} - -int comedi_data_read_hint(void *dev, unsigned int subdev, - unsigned int chan, unsigned int range, - unsigned int aref) -{ - struct comedi_insn insn; - unsigned int dummy_data; - - memset(&insn, 0, sizeof(insn)); - insn.insn = INSN_READ; - insn.n = 0; - insn.data = &dummy_data; - insn.subdev = subdev; - insn.chanspec = CR_PACK(chan, range, aref); - - return comedi_do_insn(dev, &insn); -} - -int comedi_data_read_delayed(void *dev, unsigned int subdev, - unsigned int chan, unsigned int range, - unsigned int aref, unsigned int *data, - unsigned int nano_sec) -{ - int retval; - - retval = comedi_data_read_hint(dev, subdev, chan, range, aref); - if (retval < 0) - return retval; - - udelay((nano_sec + 999) / 1000); - - return comedi_data_read(dev, subdev, chan, range, aref, data); -} |