Lines Matching full:subdevice

29  * struct comedi_subdevice - Working data for a COMEDI subdevice
30  * @device: COMEDI device to which this subdevice belongs.  (Initialized by
32  * @index: Index of this subdevice within device's array of subdevices.
34  * @type: Type of subdevice from &enum comedi_subdevice_type.  (Initialized by
36  * @n_chan: Number of channels the subdevice supports.  (Initialized by the
38  * @subdev_flags: Various "SDF" flags indicating aspects of the subdevice to
41  * @len_chanlist: Maximum length of a channel list if the subdevice supports
49  * @async: Pointer to &struct comedi_async id the subdevice supports
53  *	subdevice.  (Initially NULL.)
55  *	acquisition command on the subdevice.  (Initially NULL.)
60  * @io_bits: Bit-mask indicating the channel directions for a DIO subdevice
63  *	low-level driver for a DIO subdevice.  Forced to all-outputs during
64  *	post-configuration for a digital output subdevice.)
72  *	subdevice.  If NULL, the range table is channel-specific.  (Initialized
87  *	for a digital input, digital output or digital input/output subdevice.
93  * @do_cmd: If the subdevice supports asynchronous acquisition commands, this
96  * @do_cmdtest: If the subdevice supports asynchronous acquisition commands,
100  * @poll: If the subdevice supports asynchronous acquisition commands, this
104  * @cancel: If the subdevice supports asynchronous acquisition commands, this
107  * @buf_change: If the subdevice supports asynchronous acquisition commands,
111  * @munge: If the subdevice supports asynchronous acquisition commands and
116  * @async_dma_dir: If the subdevice supports asynchronous acquisition commands
122  *	output subdevice with no more than 32 channels. (Initialized by the
124  * @class_dev: If the subdevice supports asynchronous acquisition commands,
126  *	number of the COMEDI device and Y is the subdevice number.  The minor
129  *	with a different default read or write subdevice.  (Allocated during
139  * This is the main control structure for a COMEDI subdevice.  If the subdevice
143  * Most of the subdevice is initialized by the low-level driver's "attach" or
149  * or DIO subdevice may leave @insn_read and @insn_write uninitialized, in
510  * @read_subdev: Optional pointer to a default COMEDI subdevice operated on by
512  * @write_subdev: Optional pointer to a default COMEDI subdevice operated on by
641  * comedi_range_is_bipolar() - Test if subdevice range is bipolar
642  * @s: COMEDI subdevice.
662  * comedi_range_is_unipolar() - Test if subdevice range is unipolar
663  * @s: COMEDI subdevice.
683  * comedi_range_is_external() - Test if subdevice range is external
684  * @s: COMEDI subdevice.
705  * @s: COMEDI subdevice.
728  * @s: COMEDI subdevice.
751  * @s: COMEDI subdevice.
774  * @s: COMEDI subdevice.
789  * comedi_bytes_per_sample() - Determine subdevice sample size
790  * @s: COMEDI subdevice.
793  * whether the %SDF_LSAMPL subdevice flag is set or not.
795  * Return: The subdevice sample size.
803  * comedi_sample_shift() - Determine log2 of subdevice sample size
804  * @s: COMEDI subdevice.
807  * whether the %SDF_LSAMPL subdevice flag is set or not.  The log2 of the
811  * Return: log2 of the subdevice sample size.
820  * @s: COMEDI subdevice.
823  * Return: The number of bytes divided by the subdevice sample size.
833  * @s: COMEDI subdevice.
836  * Return: The number of samples multiplied by the subdevice sample size.
959  * @s: COMEDI subdevice.
962  * acquisition data buffer for a subdevice.  The data in question might not