kernel/2.6.29.6-aldebaran-rt/drivers/staging/comedi/comedilib.h

   1 /*
   2     linux/include/comedilib.h
   3     header file for kcomedilib
   4
   5     COMEDI - Linux Control and Measurement Device Interface
   6     Copyright (C) 1998-2001 David A. Schleef <ds@schleef.org>
   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 _LINUX_COMEDILIB_H
  25 #define _LINUX_COMEDILIB_H
  26
  27 #include "comedi.h"
  28
  29 /* Kernel internal stuff.  Needed by real-time modules and such. */
  30
  31 #ifndef __KERNEL__
  32 #error linux/comedilib.h should not be included by non-kernel-space code
  33 #endif
  34
  35 /* exported functions */
  36
  37 #ifndef KCOMEDILIB_DEPRECATED
  38
  39 typedef void comedi_t;
  40
  41 /* these functions may not be called at real-time priority */
  42
  43 comedi_t *comedi_open(const char *path);
  44 int comedi_close(comedi_t *dev);
  45
  46 /* these functions may be called at any priority, but may fail at
  47    real-time priority */
  48
  49 int comedi_lock(comedi_t *dev, unsigned int subdev);
  50 int comedi_unlock(comedi_t *dev, unsigned int subdev);
  51
  52 /* these functions may be called at any priority, but you must hold
  53    the lock for the subdevice */
  54
  55 int comedi_loglevel(int loglevel);
  56 void comedi_perror(const char *s);
  57 char *comedi_strerror(int errnum);
  58 int comedi_errno(void);
  59 int comedi_fileno(comedi_t *dev);
  60
  61 int comedi_cancel(comedi_t *dev, unsigned int subdev);
  62 int comedi_register_callback(comedi_t *dev, unsigned int subdev,
  63         unsigned int mask, int (*cb) (unsigned int, void *), void *arg);
  64
  65 int comedi_command(comedi_t *dev, comedi_cmd *cmd);
  66 int comedi_command_test(comedi_t *dev, comedi_cmd *cmd);
  67 int comedi_trigger(comedi_t *dev, unsigned int subdev, comedi_trig *it);
  68 int __comedi_trigger(comedi_t *dev, unsigned int subdev, comedi_trig *it);
  69 int comedi_data_write(comedi_t *dev, unsigned int subdev, unsigned int chan,
  70         unsigned int range, unsigned int aref, lsampl_t data);
  71 int comedi_data_read(comedi_t *dev, unsigned int subdev, unsigned int chan,
  72         unsigned int range, unsigned int aref, lsampl_t *data);
  73 int comedi_data_read_hint(comedi_t *dev, unsigned int subdev,
  74         unsigned int chan, unsigned int range, unsigned int aref);
  75 int comedi_data_read_delayed(comedi_t *dev, unsigned int subdev,
  76         unsigned int chan, unsigned int range, unsigned int aref,
  77         lsampl_t *data, unsigned int nano_sec);
  78 int comedi_dio_config(comedi_t *dev, unsigned int subdev, unsigned int chan,
  79         unsigned int io);
  80 int comedi_dio_read(comedi_t *dev, unsigned int subdev, unsigned int chan,
  81         unsigned int *val);
  82 int comedi_dio_write(comedi_t *dev, unsigned int subdev, unsigned int chan,
  83         unsigned int val);
  84 int comedi_dio_bitfield(comedi_t *dev, unsigned int subdev, unsigned int mask,
  85         unsigned int *bits);
  86 int comedi_get_n_subdevices(comedi_t *dev);
  87 int comedi_get_version_code(comedi_t *dev);
  88 const char *comedi_get_driver_name(comedi_t *dev);
  89 const char *comedi_get_board_name(comedi_t *dev);
  90 int comedi_get_subdevice_type(comedi_t *dev, unsigned int subdevice);
  91 int comedi_find_subdevice_by_type(comedi_t *dev, int type, unsigned int subd);
  92 int comedi_get_n_channels(comedi_t *dev, unsigned int subdevice);
  93 lsampl_t comedi_get_maxdata(comedi_t *dev, unsigned int subdevice, unsigned
  94         int chan);
  95 int comedi_get_n_ranges(comedi_t *dev, unsigned int subdevice, unsigned int
  96         chan);
  97 int comedi_do_insn(comedi_t *dev, comedi_insn *insn);
  98 int comedi_poll(comedi_t *dev, unsigned int subdev);
  99
 100 /* DEPRECATED functions */
 101 int comedi_get_rangetype(comedi_t *dev, unsigned int subdevice,
 102         unsigned int chan);
 103
 104 /* ALPHA functions */
 105 unsigned int comedi_get_subdevice_flags(comedi_t *dev, unsigned int subdevice);
 106 int comedi_get_len_chanlist(comedi_t *dev, unsigned int subdevice);
 107 int comedi_get_krange(comedi_t *dev, unsigned int subdevice, unsigned int
 108         chan, unsigned int range, comedi_krange *krange);
 109 unsigned int comedi_get_buf_head_pos(comedi_t *dev, unsigned int subdevice);
 110 int comedi_set_user_int_count(comedi_t *dev, unsigned int subdevice,
 111         unsigned int buf_user_count);
 112 int comedi_map(comedi_t *dev, unsigned int subdev, void *ptr);
 113 int comedi_unmap(comedi_t *dev, unsigned int subdev);
 114 int comedi_get_buffer_size(comedi_t *dev, unsigned int subdev);
 115 int comedi_mark_buffer_read(comedi_t *dev, unsigned int subdevice,
 116         unsigned int num_bytes);
 117 int comedi_mark_buffer_written(comedi_t *d, unsigned int subdevice,
 118         unsigned int num_bytes);
 119 int comedi_get_buffer_contents(comedi_t *dev, unsigned int subdevice);
 120 int comedi_get_buffer_offset(comedi_t *dev, unsigned int subdevice);
 121
 122 #else
 123
 124 /* these functions may not be called at real-time priority */
 125
 126 int comedi_open(unsigned int minor);
 127 void comedi_close(unsigned int minor);
 128
 129 /* these functions may be called at any priority, but may fail at
 130    real-time priority */
 131
 132 int comedi_lock(unsigned int minor, unsigned int subdev);
 133 int comedi_unlock(unsigned int minor, unsigned int subdev);
 134
 135 /* these functions may be called at any priority, but you must hold
 136    the lock for the subdevice */
 137
 138 int comedi_cancel(unsigned int minor, unsigned int subdev);
 139 int comedi_register_callback(unsigned int minor, unsigned int subdev,
 140         unsigned int mask, int (*cb) (unsigned int, void *), void *arg);
 141
 142 int comedi_command(unsigned int minor, comedi_cmd *cmd);
 143 int comedi_command_test(unsigned int minor, comedi_cmd *cmd);
 144 int comedi_trigger(unsigned int minor, unsigned int subdev, comedi_trig *it);
 145 int __comedi_trigger(unsigned int minor, unsigned int subdev, comedi_trig *it);
 146 int comedi_data_write(unsigned int dev, unsigned int subdev, unsigned int chan,
 147         unsigned int range, unsigned int aref, lsampl_t data);
 148 int comedi_data_read(unsigned int dev, unsigned int subdev, unsigned int chan,
 149         unsigned int range, unsigned int aref, lsampl_t *data);
 150 int comedi_dio_config(unsigned int dev, unsigned int subdev, unsigned int chan,
 151         unsigned int io);
 152 int comedi_dio_read(unsigned int dev, unsigned int subdev, unsigned int chan,
 153         unsigned int *val);
 154 int comedi_dio_write(unsigned int dev, unsigned int subdev, unsigned int chan,
 155         unsigned int val);
 156 int comedi_dio_bitfield(unsigned int dev, unsigned int subdev,
 157         unsigned int mask, unsigned int *bits);
 158 int comedi_get_n_subdevices(unsigned int dev);
 159 int comedi_get_version_code(unsigned int dev);
 160 char *comedi_get_driver_name(unsigned int dev);
 161 char *comedi_get_board_name(unsigned int minor);
 162 int comedi_get_subdevice_type(unsigned int minor, unsigned int subdevice);
 163 int comedi_find_subdevice_by_type(unsigned int minor, int type,
 164         unsigned int subd);
 165 int comedi_get_n_channels(unsigned int minor, unsigned int subdevice);
 166 lsampl_t comedi_get_maxdata(unsigned int minor, unsigned int subdevice, unsigned
 167         int chan);
 168 int comedi_get_n_ranges(unsigned int minor, unsigned int subdevice, unsigned int
 169         chan);
 170 int comedi_do_insn(unsigned int minor, comedi_insn *insn);
 171 int comedi_poll(unsigned int minor, unsigned int subdev);
 172
 173 /* DEPRECATED functions */
 174 int comedi_get_rangetype(unsigned int minor, unsigned int subdevice,
 175         unsigned int chan);
 176
 177 /* ALPHA functions */
 178 unsigned int comedi_get_subdevice_flags(unsigned int minor, unsigned int
 179         subdevice);
 180 int comedi_get_len_chanlist(unsigned int minor, unsigned int subdevice);
 181 int comedi_get_krange(unsigned int minor, unsigned int subdevice, unsigned int
 182         chan, unsigned int range, comedi_krange *krange);
 183 unsigned int comedi_get_buf_head_pos(unsigned int minor, unsigned int
 184         subdevice);
 185 int comedi_set_user_int_count(unsigned int minor, unsigned int subdevice,
 186         unsigned int buf_user_count);
 187 int comedi_map(unsigned int minor, unsigned int subdev, void **ptr);
 188 int comedi_unmap(unsigned int minor, unsigned int subdev);
 189
 190 #endif
 191
 192 #endif