comedilib.h revision 981bdf41ea7bbeece1f08045e0456c725a4d8f2f
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/* these functions may not be called at real-time priority */ 40 41void *comedi_open(const char *path); 42int comedi_close(void *dev); 43 44/* these functions may be called at any priority, but may fail at 45 real-time priority */ 46 47int comedi_lock(void *dev, unsigned int subdev); 48int comedi_unlock(void *dev, unsigned int subdev); 49 50/* these functions may be called at any priority, but you must hold 51 the lock for the subdevice */ 52 53int comedi_loglevel(int loglevel); 54void comedi_perror(const char *s); 55char *comedi_strerror(int errnum); 56int comedi_errno(void); 57int comedi_fileno(void *dev); 58 59int comedi_cancel(void *dev, unsigned int subdev); 60int comedi_register_callback(void *dev, unsigned int subdev, 61 unsigned int mask, int (*cb) (unsigned int, 62 void *), void *arg); 63 64int comedi_command(void *dev, struct comedi_cmd *cmd); 65int comedi_command_test(void *dev, struct comedi_cmd *cmd); 66int comedi_trigger(void *dev, unsigned int subdev, struct comedi_trig *it); 67int __comedi_trigger(void *dev, unsigned int subdev, struct comedi_trig *it); 68int comedi_data_write(void *dev, unsigned int subdev, unsigned int chan, 69 unsigned int range, unsigned int aref, unsigned int data); 70int comedi_data_read(void *dev, unsigned int subdev, unsigned int chan, 71 unsigned int range, unsigned int aref, unsigned int *data); 72int comedi_data_read_hint(void *dev, unsigned int subdev, 73 unsigned int chan, unsigned int range, 74 unsigned int aref); 75int comedi_data_read_delayed(void *dev, unsigned int subdev, unsigned int chan, 76 unsigned int range, unsigned int aref, 77 unsigned int *data, unsigned int nano_sec); 78int comedi_dio_config(void *dev, unsigned int subdev, unsigned int chan, 79 unsigned int io); 80int comedi_dio_read(void *dev, unsigned int subdev, unsigned int chan, 81 unsigned int *val); 82int comedi_dio_write(void *dev, unsigned int subdev, unsigned int chan, 83 unsigned int val); 84int comedi_dio_bitfield(void *dev, unsigned int subdev, unsigned int mask, 85 unsigned int *bits); 86int comedi_get_n_subdevices(void *dev); 87int comedi_get_version_code(void *dev); 88const char *comedi_get_driver_name(void *dev); 89const char *comedi_get_board_name(void *dev); 90int comedi_get_subdevice_type(void *dev, unsigned int subdevice); 91int comedi_find_subdevice_by_type(void *dev, int type, unsigned int subd); 92int comedi_get_n_channels(void *dev, unsigned int subdevice); 93unsigned int comedi_get_maxdata(void *dev, unsigned int subdevice, unsigned 94 int chan); 95int comedi_get_n_ranges(void *dev, unsigned int subdevice, unsigned int chan); 96int comedi_do_insn(void *dev, struct comedi_insn *insn); 97int comedi_poll(void *dev, unsigned int subdev); 98 99/* DEPRECATED functions */ 100int comedi_get_rangetype(void *dev, unsigned int subdevice, unsigned int chan); 101 102/* ALPHA functions */ 103unsigned int comedi_get_subdevice_flags(void *dev, unsigned int subdevice); 104int comedi_get_len_chanlist(void *dev, unsigned int subdevice); 105int comedi_get_krange(void *dev, unsigned int subdevice, unsigned int 106 chan, unsigned int range, struct comedi_krange *krange); 107unsigned int comedi_get_buf_head_pos(void *dev, unsigned int subdevice); 108int comedi_set_user_int_count(void *dev, unsigned int subdevice, 109 unsigned int buf_user_count); 110int comedi_map(void *dev, unsigned int subdev, void *ptr); 111int comedi_unmap(void *dev, unsigned int subdev); 112int comedi_get_buffer_size(void *dev, unsigned int subdev); 113int comedi_mark_buffer_read(void *dev, unsigned int subdevice, 114 unsigned int num_bytes); 115int comedi_mark_buffer_written(void *d, unsigned int subdevice, 116 unsigned int num_bytes); 117int comedi_get_buffer_contents(void *dev, unsigned int subdevice); 118int comedi_get_buffer_offset(void *dev, unsigned int subdevice); 119 120#else 121 122/* these functions may not be called at real-time priority */ 123 124int comedi_open(unsigned int minor); 125void comedi_close(unsigned int minor); 126 127/* these functions may be called at any priority, but may fail at 128 real-time priority */ 129 130int comedi_lock(unsigned int minor, unsigned int subdev); 131int comedi_unlock(unsigned int minor, unsigned int subdev); 132 133/* these functions may be called at any priority, but you must hold 134 the lock for the subdevice */ 135 136int comedi_cancel(unsigned int minor, unsigned int subdev); 137int comedi_register_callback(unsigned int minor, unsigned int subdev, 138 unsigned int mask, int (*cb) (unsigned int, 139 void *), void *arg); 140 141int comedi_command(unsigned int minor, struct comedi_cmd *cmd); 142int comedi_command_test(unsigned int minor, struct comedi_cmd *cmd); 143int comedi_trigger(unsigned int minor, unsigned int subdev, 144 struct comedi_trig *it); 145int __comedi_trigger(unsigned int minor, unsigned int subdev, 146 struct comedi_trig *it); 147int comedi_data_write(unsigned int dev, unsigned int subdev, unsigned int chan, 148 unsigned int range, unsigned int aref, unsigned int data); 149int comedi_data_read(unsigned int dev, unsigned int subdev, unsigned int chan, 150 unsigned int range, unsigned int aref, unsigned int *data); 151int comedi_dio_config(unsigned int dev, unsigned int subdev, unsigned int chan, 152 unsigned int io); 153int comedi_dio_read(unsigned int dev, unsigned int subdev, unsigned int chan, 154 unsigned int *val); 155int comedi_dio_write(unsigned int dev, unsigned int subdev, unsigned int chan, 156 unsigned int val); 157int comedi_dio_bitfield(unsigned int dev, unsigned int subdev, 158 unsigned int mask, unsigned int *bits); 159int comedi_get_n_subdevices(unsigned int dev); 160int comedi_get_version_code(unsigned int dev); 161char *comedi_get_driver_name(unsigned int dev); 162char *comedi_get_board_name(unsigned int minor); 163int comedi_get_subdevice_type(unsigned int minor, unsigned int subdevice); 164int comedi_find_subdevice_by_type(unsigned int minor, int type, 165 unsigned int subd); 166int comedi_get_n_channels(unsigned int minor, unsigned int subdevice); 167unsigned int comedi_get_maxdata(unsigned int minor, unsigned int subdevice, 168 unsigned int chan); 169int comedi_get_n_ranges(unsigned int minor, unsigned int subdevice, 170 unsigned int chan); 171int comedi_do_insn(unsigned int minor, struct comedi_insn *insn); 172int comedi_poll(unsigned int minor, unsigned int subdev); 173 174/* DEPRECATED functions */ 175int comedi_get_rangetype(unsigned int minor, unsigned int subdevice, 176 unsigned int chan); 177 178/* ALPHA functions */ 179unsigned int comedi_get_subdevice_flags(unsigned int minor, unsigned int 180 subdevice); 181int comedi_get_len_chanlist(unsigned int minor, unsigned int subdevice); 182int comedi_get_krange(unsigned int minor, unsigned int subdevice, unsigned int 183 chan, unsigned int range, struct comedi_krange *krange); 184unsigned int comedi_get_buf_head_pos(unsigned int minor, unsigned int 185 subdevice); 186int comedi_set_user_int_count(unsigned int minor, unsigned int subdevice, 187 unsigned int buf_user_count); 188int comedi_map(unsigned int minor, unsigned int subdev, void **ptr); 189int comedi_unmap(unsigned int minor, unsigned int subdev); 190 191#endif 192 193#endif 194