uapi/linux/comedi.h

169 /* subdevice flags */
173 #define SDF_LOCKED	0x0004	/* subdevice is locked */
181 #define SDF_SOFT_CALIBRATED	0x2000 /* subdevice uses software calibration */
185 /* subdevice can be read (e.g. analog input) */
187 /* subdevice can be written (e.g. analog output) */
190 /* subdevice does not have externally visible lines */
199 #define SDF_RUNNING	0x08000000	/* subdevice is acquiring data */
200 #define SDF_LSAMPL	0x10000000	/* subdevice uses 32-bit samples */
201 #define SDF_PACKED	0x20000000	/* subdevice can do packed DIO */
203 /* subdevice types */
206  * enum comedi_subdevice_type - COMEDI subdevice types
207  * @COMEDI_SUBD_UNUSED:		Unused subdevice.
275  * @INSN_CONFIG_ARM:		Arm a subdevice or channel.
276  * @INSN_CONFIG_DISARM:		Disarm a subdevice or channel.
278  * @INSN_CONFIG_RESET:		Reset a subdevice or channel.
290  * @INSN_CONFIG_GET_HARDWARE_BUFFER_SIZE: Get size (in bytes) of subdevice's
396  * belonging to the same subdevice.  The configuration operation (data[%2]) is
483  * @subdev:	Subdevice index.
514  * @subdev:		Subdevice index.
550  * subdevice supports commands in either direction.
617  * @subdev:		Subdevice index.
624  * for the subdevice.  Use of this requires knowledge of the number of channels
625  * and subdevice flags obtained using the %COMEDI_SUBDINFO ioctl.
627  * The @maxdata_list member must be %NULL unless the %SDF_MAXDATA subdevice
629  * subdevice flag is set.  The @rangelist member must be %NULL unless the
630  * %SDF_RANGETYPE subdevice flag is set.  Otherwise, the arrays they point to
643  * @range_type:		Encodes subdevice index (bits 27:24), channel index
646  *			in with the range table for the channel or subdevice.
649  * for a specific channel (if the subdevice has the %SDF_RANGETYPE flag set to
650  * indicate that the range table depends on the channel), or for the subdevice
670  * subdevice, and a list of one or more ranges.  A %struct comedi_krange
692  * struct comedi_subdinfo - used to retrieve information about a subdevice
693  * @type:		Type of subdevice from &enum comedi_subdevice_type.
694  * @n_chan:		Number of channels the subdevice supports.
696  *			aspects of the subdevice and its current state.
698  * @len_chanlist:	Maximum length of a channel list if the subdevice
701  *			%SDF_MAXDATA subdevice flag is clear.
703  *			subdevice flag is clear.
705  *			subdevice flag is clear.  Encodes the subdevice index
709  * @insn_bits_support:	Set to %COMEDI_SUPPORTED if the subdevice supports the
715  * &struct comedi_subdinfo back to user space, with one element per subdevice.
721  * %SDF_BUSY - the subdevice is busy processing an asynchronous command or a
724  * %SDF_BUSY_OWNER - the subdevice is busy processing an asynchronous
728  * %SDF_LOCKED - the subdevice is locked by a %COMEDI_LOCK ioctl.
730  * %SDF_LOCK_OWNER - the subdevice is locked by a %COMEDI_LOCK ioctl from the
743  * %SDF_CMD - the subdevice supports asynchronous commands.
745  * %SDF_SOFT_CALIBRATED - the subdevice uses software calibration.
747  * %SDF_CMD_WRITE - the subdevice supports asynchronous commands in the output
750  * %SDF_CMD_READ - the subdevice supports asynchronous commands in the input
753  * %SDF_READABLE - the subdevice is readable (e.g. analog input).
755  * %SDF_WRITABLE (aliased as %SDF_WRITEABLE) - the subdevice is writable (e.g.
758  * %SDF_INTERNAL - the subdevice has no externally visible lines.
760  * %SDF_GROUND - the subdevice can use ground as an analog reference.
762  * %SDF_COMMON - the subdevice can use a common analog reference.
764  * %SDF_DIFF - the subdevice can use differential inputs (or outputs).
766  * %SDF_OTHER - the subdevice can use some other analog reference.
768  * %SDF_DITHER - the subdevice can do dithering.
770  * %SDF_DEGLITCH - the subdevice can do deglitching.
776  * %SDF_LSAMPL - the subdevice uses "long" (32-bit) samples (for asynchronous
779  * %SDF_PACKED - the subdevice packs several DIO samples into a single sample
804  * @read_subdevice:	Index of the current "read" subdevice (%-1 if none).
805  * @write_subdevice:	Index of the current "write" subdevice (%-1 if none).
840  * struct comedi_bufconfig - used to set or get buffer size for a subdevice
841  * @subdevice:		Subdevice index.
848  * maximum buffer size and current buffer size for a COMEDI subdevice that
849  * supports asynchronous commands.  If the subdevice does not support
861 	unsigned int subdevice;  member
871  * struct comedi_bufinfo - used to manipulate buffer position for a subdevice
872  * @subdevice:		Subdevice index.
888 	unsigned int subdevice;  member
1404  * Clock sources for CDIO subdevice on NI m-series boards.  Used as the
1434  * INSN_CONFIG_SET_CLOCK_SRC when using NI frequency output subdevice.
1462 	 * counter subdevice, for first counter
1463 	 * subdevice, preceding counter
1464 	 * subdevice is the last counter
1465 	 * subdevice)
1478  * timer subdevice on some Amplicon DIO PCIe boards (amplc_dio200 driver).
1497 	 * the preceding counter subdevice, for the first counter subdevice
1498 	 * the preceding counter subdevice is the last counter subdevice)
1519  * the counter subdevice on the Kolter Electronic PCI-Counter board