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1/* SPDX-License-Identifier: LGPL-2.0+ WITH Linux-syscall-note */2/*3 * comedi.h4 * header file for COMEDI user API5 *6 * COMEDI - Linux Control and Measurement Device Interface7 * Copyright (C) 1998-2001 David A. Schleef <ds@schleef.org>8 */9 10#ifndef _COMEDI_H11#define _COMEDI_H12 13#define COMEDI_MAJORVERSION 014#define COMEDI_MINORVERSION 715#define COMEDI_MICROVERSION 7616#define VERSION "0.7.76"17 18/* comedi's major device number */19#define COMEDI_MAJOR 9820 21/*22 * maximum number of minor devices. This can be increased, although23 * kernel structures are currently statically allocated, thus you24 * don't want this to be much more than you actually use.25 */26#define COMEDI_NDEVICES 1627 28/* number of config options in the config structure */29#define COMEDI_NDEVCONFOPTS 3230 31/*32 * NOTE: 'comedi_config --init-data' is deprecated33 *34 * The following indexes in the config options were used by35 * comedi_config to pass firmware blobs from user space to the36 * comedi drivers. The request_firmware() hotplug interface is37 * now used by all comedi drivers instead.38 */39 40/* length of nth chunk of firmware data -*/41#define COMEDI_DEVCONF_AUX_DATA3_LENGTH 2542#define COMEDI_DEVCONF_AUX_DATA2_LENGTH 2643#define COMEDI_DEVCONF_AUX_DATA1_LENGTH 2744#define COMEDI_DEVCONF_AUX_DATA0_LENGTH 2845/* most significant 32 bits of pointer address (if needed) */46#define COMEDI_DEVCONF_AUX_DATA_HI 2947/* least significant 32 bits of pointer address */48#define COMEDI_DEVCONF_AUX_DATA_LO 3049#define COMEDI_DEVCONF_AUX_DATA_LENGTH 31 /* total data length */50 51/* max length of device and driver names */52#define COMEDI_NAMELEN 2053 54/* packs and unpacks a channel/range number */55 56#define CR_PACK(chan, rng, aref) \57 ((((aref) & 0x3) << 24) | (((rng) & 0xff) << 16) | (chan))58#define CR_PACK_FLAGS(chan, range, aref, flags) \59 (CR_PACK(chan, range, aref) | ((flags) & CR_FLAGS_MASK))60 61#define CR_CHAN(a) ((a) & 0xffff)62#define CR_RANGE(a) (((a) >> 16) & 0xff)63#define CR_AREF(a) (((a) >> 24) & 0x03)64 65#define CR_FLAGS_MASK 0xfc00000066#define CR_ALT_FILTER 0x0400000067#define CR_DITHER CR_ALT_FILTER68#define CR_DEGLITCH CR_ALT_FILTER69#define CR_ALT_SOURCE 0x0800000070#define CR_EDGE 0x4000000071#define CR_INVERT 0x8000000072 73#define AREF_GROUND 0x00 /* analog ref = analog ground */74#define AREF_COMMON 0x01 /* analog ref = analog common */75#define AREF_DIFF 0x02 /* analog ref = differential */76#define AREF_OTHER 0x03 /* analog ref = other (undefined) */77 78/* counters -- these are arbitrary values */79#define GPCT_RESET 0x000180#define GPCT_SET_SOURCE 0x000281#define GPCT_SET_GATE 0x000482#define GPCT_SET_DIRECTION 0x000883#define GPCT_SET_OPERATION 0x001084#define GPCT_ARM 0x002085#define GPCT_DISARM 0x004086#define GPCT_GET_INT_CLK_FRQ 0x008087 88#define GPCT_INT_CLOCK 0x000189#define GPCT_EXT_PIN 0x000290#define GPCT_NO_GATE 0x000491#define GPCT_UP 0x000892#define GPCT_DOWN 0x001093#define GPCT_HWUD 0x002094#define GPCT_SIMPLE_EVENT 0x004095#define GPCT_SINGLE_PERIOD 0x008096#define GPCT_SINGLE_PW 0x010097#define GPCT_CONT_PULSE_OUT 0x020098#define GPCT_SINGLE_PULSE_OUT 0x040099 100/* instructions */101 102#define INSN_MASK_WRITE 0x8000000103#define INSN_MASK_READ 0x4000000104#define INSN_MASK_SPECIAL 0x2000000105 106#define INSN_READ (0 | INSN_MASK_READ)107#define INSN_WRITE (1 | INSN_MASK_WRITE)108#define INSN_BITS (2 | INSN_MASK_READ | INSN_MASK_WRITE)109#define INSN_CONFIG (3 | INSN_MASK_READ | INSN_MASK_WRITE)110#define INSN_DEVICE_CONFIG (INSN_CONFIG | INSN_MASK_SPECIAL)111#define INSN_GTOD (4 | INSN_MASK_READ | INSN_MASK_SPECIAL)112#define INSN_WAIT (5 | INSN_MASK_WRITE | INSN_MASK_SPECIAL)113#define INSN_INTTRIG (6 | INSN_MASK_WRITE | INSN_MASK_SPECIAL)114 115/* command flags */116/* These flags are used in comedi_cmd structures */117 118#define CMDF_BOGUS 0x00000001 /* do the motions */119 120/* try to use a real-time interrupt while performing command */121#define CMDF_PRIORITY 0x00000008122 123/* wake up on end-of-scan events */124#define CMDF_WAKE_EOS 0x00000020125 126#define CMDF_WRITE 0x00000040127 128#define CMDF_RAWDATA 0x00000080129 130/* timer rounding definitions */131#define CMDF_ROUND_MASK 0x00030000132#define CMDF_ROUND_NEAREST 0x00000000133#define CMDF_ROUND_DOWN 0x00010000134#define CMDF_ROUND_UP 0x00020000135#define CMDF_ROUND_UP_NEXT 0x00030000136 137#define COMEDI_EV_START 0x00040000138#define COMEDI_EV_SCAN_BEGIN 0x00080000139#define COMEDI_EV_CONVERT 0x00100000140#define COMEDI_EV_SCAN_END 0x00200000141#define COMEDI_EV_STOP 0x00400000142 143/* compatibility definitions */144#define TRIG_BOGUS CMDF_BOGUS145#define TRIG_RT CMDF_PRIORITY146#define TRIG_WAKE_EOS CMDF_WAKE_EOS147#define TRIG_WRITE CMDF_WRITE148#define TRIG_ROUND_MASK CMDF_ROUND_MASK149#define TRIG_ROUND_NEAREST CMDF_ROUND_NEAREST150#define TRIG_ROUND_DOWN CMDF_ROUND_DOWN151#define TRIG_ROUND_UP CMDF_ROUND_UP152#define TRIG_ROUND_UP_NEXT CMDF_ROUND_UP_NEXT153 154/* trigger sources */155 156#define TRIG_ANY 0xffffffff157#define TRIG_INVALID 0x00000000158 159#define TRIG_NONE 0x00000001 /* never trigger */160#define TRIG_NOW 0x00000002 /* trigger now + N ns */161#define TRIG_FOLLOW 0x00000004 /* trigger on next lower level trig */162#define TRIG_TIME 0x00000008 /* trigger at time N ns */163#define TRIG_TIMER 0x00000010 /* trigger at rate N ns */164#define TRIG_COUNT 0x00000020 /* trigger when count reaches N */165#define TRIG_EXT 0x00000040 /* trigger on external signal N */166#define TRIG_INT 0x00000080 /* trigger on comedi-internal signal N */167#define TRIG_OTHER 0x00000100 /* driver defined */168 169/* subdevice flags */170 171#define SDF_BUSY 0x0001 /* device is busy */172#define SDF_BUSY_OWNER 0x0002 /* device is busy with your job */173#define SDF_LOCKED 0x0004 /* subdevice is locked */174#define SDF_LOCK_OWNER 0x0008 /* you own lock */175#define SDF_MAXDATA 0x0010 /* maxdata depends on channel */176#define SDF_FLAGS 0x0020 /* flags depend on channel */177#define SDF_RANGETYPE 0x0040 /* range type depends on channel */178#define SDF_PWM_COUNTER 0x0080 /* PWM can automatically switch off */179#define SDF_PWM_HBRIDGE 0x0100 /* PWM is signed (H-bridge) */180#define SDF_CMD 0x1000 /* can do commands (deprecated) */181#define SDF_SOFT_CALIBRATED 0x2000 /* subdevice uses software calibration */182#define SDF_CMD_WRITE 0x4000 /* can do output commands */183#define SDF_CMD_READ 0x8000 /* can do input commands */184 185/* subdevice can be read (e.g. analog input) */186#define SDF_READABLE 0x00010000187/* subdevice can be written (e.g. analog output) */188#define SDF_WRITABLE 0x00020000189#define SDF_WRITEABLE SDF_WRITABLE /* spelling error in API */190/* subdevice does not have externally visible lines */191#define SDF_INTERNAL 0x00040000192#define SDF_GROUND 0x00100000 /* can do aref=ground */193#define SDF_COMMON 0x00200000 /* can do aref=common */194#define SDF_DIFF 0x00400000 /* can do aref=diff */195#define SDF_OTHER 0x00800000 /* can do aref=other */196#define SDF_DITHER 0x01000000 /* can do dithering */197#define SDF_DEGLITCH 0x02000000 /* can do deglitching */198#define SDF_MMAP 0x04000000 /* can do mmap() */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 */202 203/* subdevice types */204 205/**206 * enum comedi_subdevice_type - COMEDI subdevice types207 * @COMEDI_SUBD_UNUSED: Unused subdevice.208 * @COMEDI_SUBD_AI: Analog input.209 * @COMEDI_SUBD_AO: Analog output.210 * @COMEDI_SUBD_DI: Digital input.211 * @COMEDI_SUBD_DO: Digital output.212 * @COMEDI_SUBD_DIO: Digital input/output.213 * @COMEDI_SUBD_COUNTER: Counter.214 * @COMEDI_SUBD_TIMER: Timer.215 * @COMEDI_SUBD_MEMORY: Memory, EEPROM, DPRAM.216 * @COMEDI_SUBD_CALIB: Calibration DACs.217 * @COMEDI_SUBD_PROC: Processor, DSP.218 * @COMEDI_SUBD_SERIAL: Serial I/O.219 * @COMEDI_SUBD_PWM: Pulse-Width Modulation output.220 */221enum comedi_subdevice_type {222 COMEDI_SUBD_UNUSED,223 COMEDI_SUBD_AI,224 COMEDI_SUBD_AO,225 COMEDI_SUBD_DI,226 COMEDI_SUBD_DO,227 COMEDI_SUBD_DIO,228 COMEDI_SUBD_COUNTER,229 COMEDI_SUBD_TIMER,230 COMEDI_SUBD_MEMORY,231 COMEDI_SUBD_CALIB,232 COMEDI_SUBD_PROC,233 COMEDI_SUBD_SERIAL,234 COMEDI_SUBD_PWM235};236 237/* configuration instructions */238 239/**240 * enum comedi_io_direction - COMEDI I/O directions241 * @COMEDI_INPUT: Input.242 * @COMEDI_OUTPUT: Output.243 * @COMEDI_OPENDRAIN: Open-drain (or open-collector) output.244 *245 * These are used by the %INSN_CONFIG_DIO_QUERY configuration instruction to246 * report a direction. They may also be used in other places where a direction247 * needs to be specified.248 */249enum comedi_io_direction {250 COMEDI_INPUT = 0,251 COMEDI_OUTPUT = 1,252 COMEDI_OPENDRAIN = 2253};254 255/**256 * enum configuration_ids - COMEDI configuration instruction codes257 * @INSN_CONFIG_DIO_INPUT: Configure digital I/O as input.258 * @INSN_CONFIG_DIO_OUTPUT: Configure digital I/O as output.259 * @INSN_CONFIG_DIO_OPENDRAIN: Configure digital I/O as open-drain (or open260 * collector) output.261 * @INSN_CONFIG_ANALOG_TRIG: Configure analog trigger.262 * @INSN_CONFIG_ALT_SOURCE: Configure alternate input source.263 * @INSN_CONFIG_DIGITAL_TRIG: Configure digital trigger.264 * @INSN_CONFIG_BLOCK_SIZE: Configure block size for DMA transfers.265 * @INSN_CONFIG_TIMER_1: Configure divisor for external clock.266 * @INSN_CONFIG_FILTER: Configure a filter.267 * @INSN_CONFIG_CHANGE_NOTIFY: Configure change notification for digital268 * inputs. (New drivers should use269 * %INSN_CONFIG_DIGITAL_TRIG instead.)270 * @INSN_CONFIG_SERIAL_CLOCK: Configure clock for serial I/O.271 * @INSN_CONFIG_BIDIRECTIONAL_DATA: Send and receive byte over serial I/O.272 * @INSN_CONFIG_DIO_QUERY: Query direction of digital I/O channel.273 * @INSN_CONFIG_PWM_OUTPUT: Configure pulse-width modulator output.274 * @INSN_CONFIG_GET_PWM_OUTPUT: Get pulse-width modulator output configuration.275 * @INSN_CONFIG_ARM: Arm a subdevice or channel.276 * @INSN_CONFIG_DISARM: Disarm a subdevice or channel.277 * @INSN_CONFIG_GET_COUNTER_STATUS: Get counter status.278 * @INSN_CONFIG_RESET: Reset a subdevice or channel.279 * @INSN_CONFIG_GPCT_SINGLE_PULSE_GENERATOR: Configure counter/timer as280 * single pulse generator.281 * @INSN_CONFIG_GPCT_PULSE_TRAIN_GENERATOR: Configure counter/timer as282 * pulse train generator.283 * @INSN_CONFIG_GPCT_QUADRATURE_ENCODER: Configure counter as a quadrature284 * encoder.285 * @INSN_CONFIG_SET_GATE_SRC: Set counter/timer gate source.286 * @INSN_CONFIG_GET_GATE_SRC: Get counter/timer gate source.287 * @INSN_CONFIG_SET_CLOCK_SRC: Set counter/timer master clock source.288 * @INSN_CONFIG_GET_CLOCK_SRC: Get counter/timer master clock source.289 * @INSN_CONFIG_SET_OTHER_SRC: Set counter/timer "other" source.290 * @INSN_CONFIG_GET_HARDWARE_BUFFER_SIZE: Get size (in bytes) of subdevice's291 * on-board FIFOs used during streaming292 * input/output.293 * @INSN_CONFIG_SET_COUNTER_MODE: Set counter/timer mode.294 * @INSN_CONFIG_8254_SET_MODE: (Deprecated) Same as295 * %INSN_CONFIG_SET_COUNTER_MODE.296 * @INSN_CONFIG_8254_READ_STATUS: Read status of 8254 counter channel.297 * @INSN_CONFIG_SET_ROUTING: Set routing for a channel.298 * @INSN_CONFIG_GET_ROUTING: Get routing for a channel.299 * @INSN_CONFIG_PWM_SET_PERIOD: Set PWM period in nanoseconds.300 * @INSN_CONFIG_PWM_GET_PERIOD: Get PWM period in nanoseconds.301 * @INSN_CONFIG_GET_PWM_STATUS: Get PWM status.302 * @INSN_CONFIG_PWM_SET_H_BRIDGE: Set PWM H bridge duty cycle and polarity for303 * a relay simultaneously.304 * @INSN_CONFIG_PWM_GET_H_BRIDGE: Get PWM H bridge duty cycle and polarity.305 * @INSN_CONFIG_GET_CMD_TIMING_CONSTRAINTS: Get the hardware timing restraints,306 * regardless of trigger sources.307 */308enum configuration_ids {309 INSN_CONFIG_DIO_INPUT = COMEDI_INPUT,310 INSN_CONFIG_DIO_OUTPUT = COMEDI_OUTPUT,311 INSN_CONFIG_DIO_OPENDRAIN = COMEDI_OPENDRAIN,312 INSN_CONFIG_ANALOG_TRIG = 16,313/* INSN_CONFIG_WAVEFORM = 17, */314/* INSN_CONFIG_TRIG = 18, */315/* INSN_CONFIG_COUNTER = 19, */316 INSN_CONFIG_ALT_SOURCE = 20,317 INSN_CONFIG_DIGITAL_TRIG = 21,318 INSN_CONFIG_BLOCK_SIZE = 22,319 INSN_CONFIG_TIMER_1 = 23,320 INSN_CONFIG_FILTER = 24,321 INSN_CONFIG_CHANGE_NOTIFY = 25,322 323 INSN_CONFIG_SERIAL_CLOCK = 26, /*ALPHA*/324 INSN_CONFIG_BIDIRECTIONAL_DATA = 27,325 INSN_CONFIG_DIO_QUERY = 28,326 INSN_CONFIG_PWM_OUTPUT = 29,327 INSN_CONFIG_GET_PWM_OUTPUT = 30,328 INSN_CONFIG_ARM = 31,329 INSN_CONFIG_DISARM = 32,330 INSN_CONFIG_GET_COUNTER_STATUS = 33,331 INSN_CONFIG_RESET = 34,332 INSN_CONFIG_GPCT_SINGLE_PULSE_GENERATOR = 1001,333 INSN_CONFIG_GPCT_PULSE_TRAIN_GENERATOR = 1002,334 INSN_CONFIG_GPCT_QUADRATURE_ENCODER = 1003,335 INSN_CONFIG_SET_GATE_SRC = 2001,336 INSN_CONFIG_GET_GATE_SRC = 2002,337 INSN_CONFIG_SET_CLOCK_SRC = 2003,338 INSN_CONFIG_GET_CLOCK_SRC = 2004,339 INSN_CONFIG_SET_OTHER_SRC = 2005,340 INSN_CONFIG_GET_HARDWARE_BUFFER_SIZE = 2006,341 INSN_CONFIG_SET_COUNTER_MODE = 4097,342 INSN_CONFIG_8254_SET_MODE = INSN_CONFIG_SET_COUNTER_MODE,343 INSN_CONFIG_8254_READ_STATUS = 4098,344 INSN_CONFIG_SET_ROUTING = 4099,345 INSN_CONFIG_GET_ROUTING = 4109,346 INSN_CONFIG_PWM_SET_PERIOD = 5000,347 INSN_CONFIG_PWM_GET_PERIOD = 5001,348 INSN_CONFIG_GET_PWM_STATUS = 5002,349 INSN_CONFIG_PWM_SET_H_BRIDGE = 5003,350 INSN_CONFIG_PWM_GET_H_BRIDGE = 5004,351 INSN_CONFIG_GET_CMD_TIMING_CONSTRAINTS = 5005,352};353 354/**355 * enum device_configuration_ids - COMEDI configuration instruction codes global356 * to an entire device.357 * @INSN_DEVICE_CONFIG_TEST_ROUTE: Validate the possibility of a358 * globally-named route359 * @INSN_DEVICE_CONFIG_CONNECT_ROUTE: Connect a globally-named route360 * @INSN_DEVICE_CONFIG_DISCONNECT_ROUTE:Disconnect a globally-named route361 * @INSN_DEVICE_CONFIG_GET_ROUTES: Get a list of all globally-named routes362 * that are valid for a particular device.363 */364enum device_config_route_ids {365 INSN_DEVICE_CONFIG_TEST_ROUTE = 0,366 INSN_DEVICE_CONFIG_CONNECT_ROUTE = 1,367 INSN_DEVICE_CONFIG_DISCONNECT_ROUTE = 2,368 INSN_DEVICE_CONFIG_GET_ROUTES = 3,369};370 371/**372 * enum comedi_digital_trig_op - operations for configuring a digital trigger373 * @COMEDI_DIGITAL_TRIG_DISABLE: Return digital trigger to its default,374 * inactive, unconfigured state.375 * @COMEDI_DIGITAL_TRIG_ENABLE_EDGES: Set rising and/or falling edge inputs376 * that each can fire the trigger.377 * @COMEDI_DIGITAL_TRIG_ENABLE_LEVELS: Set a combination of high and/or low378 * level inputs that can fire the trigger.379 *380 * These are used with the %INSN_CONFIG_DIGITAL_TRIG configuration instruction.381 * The data for the configuration instruction is as follows...382 *383 * data[%0] = %INSN_CONFIG_DIGITAL_TRIG384 *385 * data[%1] = trigger ID386 *387 * data[%2] = configuration operation388 *389 * data[%3] = configuration parameter 1390 *391 * data[%4] = configuration parameter 2392 *393 * data[%5] = configuration parameter 3394 *395 * The trigger ID (data[%1]) is used to differentiate multiple digital triggers396 * belonging to the same subdevice. The configuration operation (data[%2]) is397 * one of the enum comedi_digital_trig_op values. The configuration398 * parameters (data[%3], data[%4], and data[%5]) depend on the operation; they399 * are not used with %COMEDI_DIGITAL_TRIG_DISABLE.400 *401 * For %COMEDI_DIGITAL_TRIG_ENABLE_EDGES and %COMEDI_DIGITAL_TRIG_ENABLE_LEVELS,402 * configuration parameter 1 (data[%3]) contains a "left-shift" value that403 * specifies the input corresponding to bit 0 of configuration parameters 2404 * and 3. This is useful if the trigger has more than 32 inputs.405 *406 * For %COMEDI_DIGITAL_TRIG_ENABLE_EDGES, configuration parameter 2 (data[%4])407 * specifies which of up to 32 inputs have rising-edge sensitivity, and408 * configuration parameter 3 (data[%5]) specifies which of up to 32 inputs409 * have falling-edge sensitivity that can fire the trigger.410 *411 * For %COMEDI_DIGITAL_TRIG_ENABLE_LEVELS, configuration parameter 2 (data[%4])412 * specifies which of up to 32 inputs must be at a high level, and413 * configuration parameter 3 (data[%5]) specifies which of up to 32 inputs414 * must be at a low level for the trigger to fire.415 *416 * Some sequences of %INSN_CONFIG_DIGITAL_TRIG instructions may have a (partly)417 * accumulative effect, depending on the low-level driver. This is useful418 * when setting up a trigger that has more than 32 inputs, or has a combination419 * of edge- and level-triggered inputs.420 */421enum comedi_digital_trig_op {422 COMEDI_DIGITAL_TRIG_DISABLE = 0,423 COMEDI_DIGITAL_TRIG_ENABLE_EDGES = 1,424 COMEDI_DIGITAL_TRIG_ENABLE_LEVELS = 2425};426 427/**428 * enum comedi_support_level - support level for a COMEDI feature429 * @COMEDI_UNKNOWN_SUPPORT: Unspecified support for feature.430 * @COMEDI_SUPPORTED: Feature is supported.431 * @COMEDI_UNSUPPORTED: Feature is unsupported.432 */433enum comedi_support_level {434 COMEDI_UNKNOWN_SUPPORT = 0,435 COMEDI_SUPPORTED,436 COMEDI_UNSUPPORTED437};438 439/**440 * enum comedi_counter_status_flags - counter status bits441 * @COMEDI_COUNTER_ARMED: Counter is armed.442 * @COMEDI_COUNTER_COUNTING: Counter is counting.443 * @COMEDI_COUNTER_TERMINAL_COUNT: Counter reached terminal count.444 *445 * These bitwise values are used by the %INSN_CONFIG_GET_COUNTER_STATUS446 * configuration instruction to report the status of a counter.447 */448enum comedi_counter_status_flags {449 COMEDI_COUNTER_ARMED = 0x1,450 COMEDI_COUNTER_COUNTING = 0x2,451 COMEDI_COUNTER_TERMINAL_COUNT = 0x4,452};453 454/* ioctls */455 456#define CIO 'd'457#define COMEDI_DEVCONFIG _IOW(CIO, 0, struct comedi_devconfig)458#define COMEDI_DEVINFO _IOR(CIO, 1, struct comedi_devinfo)459#define COMEDI_SUBDINFO _IOR(CIO, 2, struct comedi_subdinfo)460#define COMEDI_CHANINFO _IOR(CIO, 3, struct comedi_chaninfo)461/* _IOWR(CIO, 4, ...) is reserved */462#define COMEDI_LOCK _IO(CIO, 5)463#define COMEDI_UNLOCK _IO(CIO, 6)464#define COMEDI_CANCEL _IO(CIO, 7)465#define COMEDI_RANGEINFO _IOR(CIO, 8, struct comedi_rangeinfo)466#define COMEDI_CMD _IOR(CIO, 9, struct comedi_cmd)467#define COMEDI_CMDTEST _IOR(CIO, 10, struct comedi_cmd)468#define COMEDI_INSNLIST _IOR(CIO, 11, struct comedi_insnlist)469#define COMEDI_INSN _IOR(CIO, 12, struct comedi_insn)470#define COMEDI_BUFCONFIG _IOR(CIO, 13, struct comedi_bufconfig)471#define COMEDI_BUFINFO _IOWR(CIO, 14, struct comedi_bufinfo)472#define COMEDI_POLL _IO(CIO, 15)473#define COMEDI_SETRSUBD _IO(CIO, 16)474#define COMEDI_SETWSUBD _IO(CIO, 17)475 476/* structures */477 478/**479 * struct comedi_insn - COMEDI instruction480 * @insn: COMEDI instruction type (%INSN_xxx).481 * @n: Length of @data[].482 * @data: Pointer to data array operated on by the instruction.483 * @subdev: Subdevice index.484 * @chanspec: A packed "chanspec" value consisting of channel number,485 * analog range index, analog reference type, and flags.486 * @unused: Reserved for future use.487 *488 * This is used with the %COMEDI_INSN ioctl, and indirectly with the489 * %COMEDI_INSNLIST ioctl.490 */491struct comedi_insn {492 unsigned int insn;493 unsigned int n;494 unsigned int __user *data;495 unsigned int subdev;496 unsigned int chanspec;497 unsigned int unused[3];498};499 500/**501 * struct comedi_insnlist - list of COMEDI instructions502 * @n_insns: Number of COMEDI instructions.503 * @insns: Pointer to array COMEDI instructions.504 *505 * This is used with the %COMEDI_INSNLIST ioctl.506 */507struct comedi_insnlist {508 unsigned int n_insns;509 struct comedi_insn __user *insns;510};511 512/**513 * struct comedi_cmd - COMEDI asynchronous acquisition command details514 * @subdev: Subdevice index.515 * @flags: Command flags (%CMDF_xxx).516 * @start_src: "Start acquisition" trigger source (%TRIG_xxx).517 * @start_arg: "Start acquisition" trigger argument.518 * @scan_begin_src: "Scan begin" trigger source.519 * @scan_begin_arg: "Scan begin" trigger argument.520 * @convert_src: "Convert" trigger source.521 * @convert_arg: "Convert" trigger argument.522 * @scan_end_src: "Scan end" trigger source.523 * @scan_end_arg: "Scan end" trigger argument.524 * @stop_src: "Stop acquisition" trigger source.525 * @stop_arg: "Stop acquisition" trigger argument.526 * @chanlist: Pointer to array of "chanspec" values, containing a527 * sequence of channel numbers packed with analog range528 * index, etc.529 * @chanlist_len: Number of channels in sequence.530 * @data: Pointer to miscellaneous set-up data (not used).531 * @data_len: Length of miscellaneous set-up data.532 *533 * This is used with the %COMEDI_CMD or %COMEDI_CMDTEST ioctl to set-up534 * or validate an asynchronous acquisition command. The ioctl may modify535 * the &struct comedi_cmd and copy it back to the caller.536 *537 * Optional command @flags values that can be ORed together...538 *539 * %CMDF_BOGUS - makes %COMEDI_CMD ioctl return error %EAGAIN instead of540 * starting the command.541 *542 * %CMDF_PRIORITY - requests "hard real-time" processing (which is not543 * supported in this version of COMEDI).544 *545 * %CMDF_WAKE_EOS - requests the command makes data available for reading546 * after every "scan" period.547 *548 * %CMDF_WRITE - marks the command as being in the "write" (to device)549 * direction. This does not need to be specified by the caller unless the550 * subdevice supports commands in either direction.551 *552 * %CMDF_RAWDATA - prevents the command from "munging" the data between the553 * COMEDI sample format and the raw hardware sample format.554 *555 * %CMDF_ROUND_NEAREST - requests timing periods to be rounded to nearest556 * supported values.557 *558 * %CMDF_ROUND_DOWN - requests timing periods to be rounded down to supported559 * values (frequencies rounded up).560 *561 * %CMDF_ROUND_UP - requests timing periods to be rounded up to supported562 * values (frequencies rounded down).563 *564 * Trigger source values for @start_src, @scan_begin_src, @convert_src,565 * @scan_end_src, and @stop_src...566 *567 * %TRIG_ANY - "all ones" value used to test which trigger sources are568 * supported.569 *570 * %TRIG_INVALID - "all zeroes" value used to indicate that all requested571 * trigger sources are invalid.572 *573 * %TRIG_NONE - never trigger (often used as a @stop_src value).574 *575 * %TRIG_NOW - trigger after '_arg' nanoseconds.576 *577 * %TRIG_FOLLOW - trigger follows another event.578 *579 * %TRIG_TIMER - trigger every '_arg' nanoseconds.580 *581 * %TRIG_COUNT - trigger when count '_arg' is reached.582 *583 * %TRIG_EXT - trigger on external signal specified by '_arg'.584 *585 * %TRIG_INT - trigger on internal, software trigger specified by '_arg'.586 *587 * %TRIG_OTHER - trigger on other, driver-defined signal specified by '_arg'.588 */589struct comedi_cmd {590 unsigned int subdev;591 unsigned int flags;592 593 unsigned int start_src;594 unsigned int start_arg;595 596 unsigned int scan_begin_src;597 unsigned int scan_begin_arg;598 599 unsigned int convert_src;600 unsigned int convert_arg;601 602 unsigned int scan_end_src;603 unsigned int scan_end_arg;604 605 unsigned int stop_src;606 unsigned int stop_arg;607 608 unsigned int *chanlist;609 unsigned int chanlist_len;610 611 short __user *data;612 unsigned int data_len;613};614 615/**616 * struct comedi_chaninfo - used to retrieve per-channel information617 * @subdev: Subdevice index.618 * @maxdata_list: Optional pointer to per-channel maximum data values.619 * @flaglist: Optional pointer to per-channel flags.620 * @rangelist: Optional pointer to per-channel range types.621 * @unused: Reserved for future use.622 *623 * This is used with the %COMEDI_CHANINFO ioctl to get per-channel information624 * for the subdevice. Use of this requires knowledge of the number of channels625 * and subdevice flags obtained using the %COMEDI_SUBDINFO ioctl.626 *627 * The @maxdata_list member must be %NULL unless the %SDF_MAXDATA subdevice628 * flag is set. The @flaglist member must be %NULL unless the %SDF_FLAGS629 * subdevice flag is set. The @rangelist member must be %NULL unless the630 * %SDF_RANGETYPE subdevice flag is set. Otherwise, the arrays they point to631 * must be at least as long as the number of channels.632 */633struct comedi_chaninfo {634 unsigned int subdev;635 unsigned int __user *maxdata_list;636 unsigned int __user *flaglist;637 unsigned int __user *rangelist;638 unsigned int unused[4];639};640 641/**642 * struct comedi_rangeinfo - used to retrieve the range table for a channel643 * @range_type: Encodes subdevice index (bits 27:24), channel index644 * (bits 23:16) and range table length (bits 15:0).645 * @range_ptr: Pointer to array of @struct comedi_krange to be filled646 * in with the range table for the channel or subdevice.647 *648 * This is used with the %COMEDI_RANGEINFO ioctl to retrieve the range table649 * for a specific channel (if the subdevice has the %SDF_RANGETYPE flag set to650 * indicate that the range table depends on the channel), or for the subdevice651 * as a whole (if the %SDF_RANGETYPE flag is clear, indicating the range table652 * is shared by all channels).653 *654 * The @range_type value is an input to the ioctl and comes from a previous655 * use of the %COMEDI_SUBDINFO ioctl (if the %SDF_RANGETYPE flag is clear),656 * or the %COMEDI_CHANINFO ioctl (if the %SDF_RANGETYPE flag is set).657 */658struct comedi_rangeinfo {659 unsigned int range_type;660 void __user *range_ptr;661};662 663/**664 * struct comedi_krange - describes a range in a range table665 * @min: Minimum value in millionths (1e-6) of a unit.666 * @max: Maximum value in millionths (1e-6) of a unit.667 * @flags: Indicates the units (in bits 7:0) OR'ed with optional flags.668 *669 * A range table is associated with a single channel, or with all channels in a670 * subdevice, and a list of one or more ranges. A %struct comedi_krange671 * describes the physical range of units for one of those ranges. Sample672 * values in COMEDI are unsigned from %0 up to some 'maxdata' value. The673 * mapping from sample values to physical units is assumed to be nomimally674 * linear (for the purpose of describing the range), with sample value %0675 * mapping to @min, and the 'maxdata' sample value mapping to @max.676 *677 * The currently defined units are %UNIT_volt (%0), %UNIT_mA (%1), and678 * %UNIT_none (%2). The @min and @max values are the physical range multiplied679 * by 1e6, so a @max value of %1000000 (with %UNIT_volt) represents a maximal680 * value of 1 volt.681 *682 * The only defined flag value is %RF_EXTERNAL (%0x100), indicating that the683 * range needs to be multiplied by an external reference.684 */685struct comedi_krange {686 int min;687 int max;688 unsigned int flags;689};690 691/**692 * struct comedi_subdinfo - used to retrieve information about a subdevice693 * @type: Type of subdevice from &enum comedi_subdevice_type.694 * @n_chan: Number of channels the subdevice supports.695 * @subd_flags: A mixture of static and dynamic flags describing696 * aspects of the subdevice and its current state.697 * @timer_type: Timer type. Always set to %5 ("nanosecond timer").698 * @len_chanlist: Maximum length of a channel list if the subdevice699 * supports asynchronous acquisition commands.700 * @maxdata: Maximum sample value for all channels if the701 * %SDF_MAXDATA subdevice flag is clear.702 * @flags: Channel flags for all channels if the %SDF_FLAGS703 * subdevice flag is clear.704 * @range_type: The range type for all channels if the %SDF_RANGETYPE705 * subdevice flag is clear. Encodes the subdevice index706 * (bits 27:24), a dummy channel index %0 (bits 23:16),707 * and the range table length (bits 15:0).708 * @settling_time_0: Not used.709 * @insn_bits_support: Set to %COMEDI_SUPPORTED if the subdevice supports the710 * %INSN_BITS instruction, or to %COMEDI_UNSUPPORTED if it711 * does not.712 * @unused: Reserved for future use.713 *714 * This is used with the %COMEDI_SUBDINFO ioctl which copies an array of715 * &struct comedi_subdinfo back to user space, with one element per subdevice.716 * Use of this requires knowledge of the number of subdevices obtained from717 * the %COMEDI_DEVINFO ioctl.718 *719 * These are the @subd_flags values that may be ORed together...720 *721 * %SDF_BUSY - the subdevice is busy processing an asynchronous command or a722 * synchronous instruction.723 *724 * %SDF_BUSY_OWNER - the subdevice is busy processing an asynchronous725 * acquisition command started on the current file object (the file object726 * issuing the %COMEDI_SUBDINFO ioctl).727 *728 * %SDF_LOCKED - the subdevice is locked by a %COMEDI_LOCK ioctl.729 *730 * %SDF_LOCK_OWNER - the subdevice is locked by a %COMEDI_LOCK ioctl from the731 * current file object.732 *733 * %SDF_MAXDATA - maximum sample values are channel-specific.734 *735 * %SDF_FLAGS - channel flags are channel-specific.736 *737 * %SDF_RANGETYPE - range types are channel-specific.738 *739 * %SDF_PWM_COUNTER - PWM can switch off automatically.740 *741 * %SDF_PWM_HBRIDGE - or PWM is signed (H-bridge).742 *743 * %SDF_CMD - the subdevice supports asynchronous commands.744 *745 * %SDF_SOFT_CALIBRATED - the subdevice uses software calibration.746 *747 * %SDF_CMD_WRITE - the subdevice supports asynchronous commands in the output748 * ("write") direction.749 *750 * %SDF_CMD_READ - the subdevice supports asynchronous commands in the input751 * ("read") direction.752 *753 * %SDF_READABLE - the subdevice is readable (e.g. analog input).754 *755 * %SDF_WRITABLE (aliased as %SDF_WRITEABLE) - the subdevice is writable (e.g.756 * analog output).757 *758 * %SDF_INTERNAL - the subdevice has no externally visible lines.759 *760 * %SDF_GROUND - the subdevice can use ground as an analog reference.761 *762 * %SDF_COMMON - the subdevice can use a common analog reference.763 *764 * %SDF_DIFF - the subdevice can use differential inputs (or outputs).765 *766 * %SDF_OTHER - the subdevice can use some other analog reference.767 *768 * %SDF_DITHER - the subdevice can do dithering.769 *770 * %SDF_DEGLITCH - the subdevice can do deglitching.771 *772 * %SDF_MMAP - this is never set.773 *774 * %SDF_RUNNING - an asynchronous command is still running.775 *776 * %SDF_LSAMPL - the subdevice uses "long" (32-bit) samples (for asynchronous777 * command data).778 *779 * %SDF_PACKED - the subdevice packs several DIO samples into a single sample780 * (for asynchronous command data).781 *782 * No "channel flags" (@flags) values are currently defined.783 */784struct comedi_subdinfo {785 unsigned int type;786 unsigned int n_chan;787 unsigned int subd_flags;788 unsigned int timer_type;789 unsigned int len_chanlist;790 unsigned int maxdata;791 unsigned int flags;792 unsigned int range_type;793 unsigned int settling_time_0;794 unsigned int insn_bits_support;795 unsigned int unused[8];796};797 798/**799 * struct comedi_devinfo - used to retrieve information about a COMEDI device800 * @version_code: COMEDI version code.801 * @n_subdevs: Number of subdevices the device has.802 * @driver_name: Null-terminated COMEDI driver name.803 * @board_name: Null-terminated COMEDI board name.804 * @read_subdevice: Index of the current "read" subdevice (%-1 if none).805 * @write_subdevice: Index of the current "write" subdevice (%-1 if none).806 * @unused: Reserved for future use.807 *808 * This is used with the %COMEDI_DEVINFO ioctl to get basic information about809 * the device.810 */811struct comedi_devinfo {812 unsigned int version_code;813 unsigned int n_subdevs;814 char driver_name[COMEDI_NAMELEN];815 char board_name[COMEDI_NAMELEN];816 int read_subdevice;817 int write_subdevice;818 int unused[30];819};820 821/**822 * struct comedi_devconfig - used to configure a legacy COMEDI device823 * @board_name: Null-terminated string specifying the type of board824 * to configure.825 * @options: An array of integer configuration options.826 *827 * This is used with the %COMEDI_DEVCONFIG ioctl to configure a "legacy" COMEDI828 * device, such as an ISA card. Not all COMEDI drivers support this. Those829 * that do either expect the specified board name to match one of a list of830 * names registered with the COMEDI core, or expect the specified board name831 * to match the COMEDI driver name itself. The configuration options are832 * handled in a driver-specific manner.833 */834struct comedi_devconfig {835 char board_name[COMEDI_NAMELEN];836 int options[COMEDI_NDEVCONFOPTS];837};838 839/**840 * struct comedi_bufconfig - used to set or get buffer size for a subdevice841 * @subdevice: Subdevice index.842 * @flags: Not used.843 * @maximum_size: Maximum allowed buffer size.844 * @size: Buffer size.845 * @unused: Reserved for future use.846 *847 * This is used with the %COMEDI_BUFCONFIG ioctl to get or configure the848 * maximum buffer size and current buffer size for a COMEDI subdevice that849 * supports asynchronous commands. If the subdevice does not support850 * asynchronous commands, @maximum_size and @size are ignored and set to 0.851 *852 * On ioctl input, non-zero values of @maximum_size and @size specify a853 * new maximum size and new current size (in bytes), respectively. These854 * will by rounded up to a multiple of %PAGE_SIZE. Specifying a new maximum855 * size requires admin capabilities.856 *857 * On ioctl output, @maximum_size and @size and set to the current maximum858 * buffer size and current buffer size, respectively.859 */860struct comedi_bufconfig {861 unsigned int subdevice;862 unsigned int flags;863 864 unsigned int maximum_size;865 unsigned int size;866 867 unsigned int unused[4];868};869 870/**871 * struct comedi_bufinfo - used to manipulate buffer position for a subdevice872 * @subdevice: Subdevice index.873 * @bytes_read: Specify amount to advance read position for an874 * asynchronous command in the input ("read") direction.875 * @buf_write_ptr: Current write position (index) within the buffer.876 * @buf_read_ptr: Current read position (index) within the buffer.877 * @buf_write_count: Total amount written, modulo 2^32.878 * @buf_read_count: Total amount read, modulo 2^32.879 * @bytes_written: Specify amount to advance write position for an880 * asynchronous command in the output ("write") direction.881 * @unused: Reserved for future use.882 *883 * This is used with the %COMEDI_BUFINFO ioctl to optionally advance the884 * current read or write position in an asynchronous acquisition data buffer,885 * and to get the current read and write positions in the buffer.886 */887struct comedi_bufinfo {888 unsigned int subdevice;889 unsigned int bytes_read;890 891 unsigned int buf_write_ptr;892 unsigned int buf_read_ptr;893 unsigned int buf_write_count;894 unsigned int buf_read_count;895 896 unsigned int bytes_written;897 898 unsigned int unused[4];899};900 901/* range stuff */902 903#define __RANGE(a, b) ((((a) & 0xffff) << 16) | ((b) & 0xffff))904 905#define RANGE_OFFSET(a) (((a) >> 16) & 0xffff)906#define RANGE_LENGTH(b) ((b) & 0xffff)907 908#define RF_UNIT(flags) ((flags) & 0xff)909#define RF_EXTERNAL 0x100910 911#define UNIT_volt 0912#define UNIT_mA 1913#define UNIT_none 2914 915#define COMEDI_MIN_SPEED 0xffffffffu916 917/**********************************************************/918/* everything after this line is ALPHA */919/**********************************************************/920 921/*922 * 8254 specific configuration.923 *924 * It supports two config commands:925 *926 * 0 ID: INSN_CONFIG_SET_COUNTER_MODE927 * 1 8254 Mode928 * I8254_MODE0, I8254_MODE1, ..., I8254_MODE5929 * OR'ed with:930 * I8254_BCD, I8254_BINARY931 *932 * 0 ID: INSN_CONFIG_8254_READ_STATUS933 * 1 <-- Status byte returned here.934 * B7 = Output935 * B6 = NULL Count936 * B5 - B0 Current mode.937 */938 939enum i8254_mode {940 I8254_MODE0 = (0 << 1), /* Interrupt on terminal count */941 I8254_MODE1 = (1 << 1), /* Hardware retriggerable one-shot */942 I8254_MODE2 = (2 << 1), /* Rate generator */943 I8254_MODE3 = (3 << 1), /* Square wave mode */944 I8254_MODE4 = (4 << 1), /* Software triggered strobe */945 /* Hardware triggered strobe (retriggerable) */946 I8254_MODE5 = (5 << 1),947 /* Use binary-coded decimal instead of binary (pretty useless) */948 I8254_BCD = 1,949 I8254_BINARY = 0950};951 952/* *** BEGIN GLOBALLY-NAMED NI TERMINALS/SIGNALS *** */953 954/*955 * Common National Instruments Terminal/Signal names.956 * Some of these have no NI_ prefix as they are useful for non-NI hardware, such957 * as those that utilize the PXI/RTSI trigger lines.958 *959 * NOTE ABOUT THE CHOICE OF NAMES HERE AND THE CAMELSCRIPT:960 * The choice to use CamelScript and the exact names below is for961 * maintainability, clarity, similarity to manufacturer's documentation,962 * _and_ a mitigation for confusion that has plagued the use of these drivers963 * for years!964 *965 * More detail:966 * There have been significant confusions over the past many years for users967 * when trying to understand how to connect to/from signals and terminals on968 * NI hardware using comedi. The major reason for this is that the actual969 * register values were exposed and required to be used by users. Several970 * major reasons exist why this caused major confusion for users:971 * 1) The register values are _NOT_ in user documentation, but rather in972 * arcane locations, such as a few register programming manuals that are973 * increasingly hard to find and the NI MHDDK (comments in example code).974 * There is no one place to find the various valid values of the registers.975 * 2) The register values are _NOT_ completely consistent. There is no way to976 * gain any sense of intuition of which values, or even enums one should use977 * for various registers. There was some attempt in prior use of comedi to978 * name enums such that a user might know which enums should be used for979 * varying purposes, but the end-user had to gain a knowledge of register980 * values to correctly wield this approach.981 * 3) The names for signals and registers found in the various register level982 * programming manuals and vendor-provided documentation are _not_ even983 * close to the same names that are in the end-user documentation.984 *985 * Similar, albeit less, confusion plagued NI's previous version of their own986 * drivers. Earlier than 2003, NI greatly simplified the situation for users987 * by releasing a new API that abstracted the names of signals/terminals to a988 * common and intuitive set of names.989 *990 * The names below mirror the names chosen and well documented by NI. These991 * names are exposed to the user via the comedilib user library. By keeping992 * the names below, in spite of the use of CamelScript, maintenance will be993 * greatly eased and confusion for users _and_ comedi developers will be994 * greatly reduced.995 */996 997/*998 * Base of abstracted NI names.999 * The first 16 bits of *_arg are reserved for channel selection.1000 * Since we only actually need the first 4 or 5 bits for all register values on1001 * NI select registers anyways, we'll identify all values >= (1<<15) as being an1002 * abstracted NI signal/terminal name.1003 * These values are also used/returned by INSN_DEVICE_CONFIG_TEST_ROUTE,1004 * INSN_DEVICE_CONFIG_CONNECT_ROUTE, INSN_DEVICE_CONFIG_DISCONNECT_ROUTE,1005 * and INSN_DEVICE_CONFIG_GET_ROUTES.1006 */1007#define NI_NAMES_BASE 0x8000u1008 1009#define _TERM_N(base, n, x) ((base) + ((x) & ((n) - 1)))1010 1011/*1012 * not necessarily all allowed 64 PFIs are valid--certainly not for all devices1013 */1014#define NI_PFI(x) _TERM_N(NI_NAMES_BASE, 64, x)1015/* 8 trigger lines by standard, Some devices cannot talk to all eight. */1016#define TRIGGER_LINE(x) _TERM_N(NI_PFI(-1) + 1, 8, x)1017/* 4 RTSI shared MUXes to route signals to/from TRIGGER_LINES on NI hardware */1018#define NI_RTSI_BRD(x) _TERM_N(TRIGGER_LINE(-1) + 1, 4, x)1019 1020/* *** Counter/timer names : 8 counters max *** */1021#define NI_MAX_COUNTERS 81022#define NI_COUNTER_NAMES_BASE (NI_RTSI_BRD(-1) + 1)1023#define NI_CtrSource(x) _TERM_N(NI_COUNTER_NAMES_BASE, NI_MAX_COUNTERS, x)1024/* Gate, Aux, A,B,Z are all treated, at times as gates */1025#define NI_GATES_NAMES_BASE (NI_CtrSource(-1) + 1)1026#define NI_CtrGate(x) _TERM_N(NI_GATES_NAMES_BASE, NI_MAX_COUNTERS, x)1027#define NI_CtrAux(x) _TERM_N(NI_CtrGate(-1) + 1, NI_MAX_COUNTERS, x)1028#define NI_CtrA(x) _TERM_N(NI_CtrAux(-1) + 1, NI_MAX_COUNTERS, x)1029#define NI_CtrB(x) _TERM_N(NI_CtrA(-1) + 1, NI_MAX_COUNTERS, x)1030#define NI_CtrZ(x) _TERM_N(NI_CtrB(-1) + 1, NI_MAX_COUNTERS, x)1031#define NI_GATES_NAMES_MAX NI_CtrZ(-1)1032#define NI_CtrArmStartTrigger(x) _TERM_N(NI_CtrZ(-1) + 1, NI_MAX_COUNTERS, x)1033#define NI_CtrInternalOutput(x) \1034 _TERM_N(NI_CtrArmStartTrigger(-1) + 1, NI_MAX_COUNTERS, x)1035/** external pin(s) labeled conveniently as Ctr<i>Out. */1036#define NI_CtrOut(x) _TERM_N(NI_CtrInternalOutput(-1) + 1, NI_MAX_COUNTERS, x)1037/** For Buffered sampling of ctr -- x series capability. */1038#define NI_CtrSampleClock(x) _TERM_N(NI_CtrOut(-1) + 1, NI_MAX_COUNTERS, x)1039#define NI_COUNTER_NAMES_MAX NI_CtrSampleClock(-1)1040 1041enum ni_common_signal_names {1042 /* PXI_Star: this is a non-NI-specific signal */1043 PXI_Star = NI_COUNTER_NAMES_MAX + 1,1044 PXI_Clk10,1045 PXIe_Clk100,1046 NI_AI_SampleClock,1047 NI_AI_SampleClockTimebase,1048 NI_AI_StartTrigger,1049 NI_AI_ReferenceTrigger,1050 NI_AI_ConvertClock,1051 NI_AI_ConvertClockTimebase,1052 NI_AI_PauseTrigger,1053 NI_AI_HoldCompleteEvent,1054 NI_AI_HoldComplete,1055 NI_AI_ExternalMUXClock,1056 NI_AI_STOP, /* pulse signal that occurs when a update is finished(?) */1057 NI_AO_SampleClock,1058 NI_AO_SampleClockTimebase,1059 NI_AO_StartTrigger,1060 NI_AO_PauseTrigger,1061 NI_DI_SampleClock,1062 NI_DI_SampleClockTimebase,1063 NI_DI_StartTrigger,1064 NI_DI_ReferenceTrigger,1065 NI_DI_PauseTrigger,1066 NI_DI_InputBufferFull,1067 NI_DI_ReadyForStartEvent,1068 NI_DI_ReadyForTransferEventBurst,1069 NI_DI_ReadyForTransferEventPipelined,1070 NI_DO_SampleClock,1071 NI_DO_SampleClockTimebase,1072 NI_DO_StartTrigger,1073 NI_DO_PauseTrigger,1074 NI_DO_OutputBufferFull,1075 NI_DO_DataActiveEvent,1076 NI_DO_ReadyForStartEvent,1077 NI_DO_ReadyForTransferEvent,1078 NI_MasterTimebase,1079 NI_20MHzTimebase,1080 NI_80MHzTimebase,1081 NI_100MHzTimebase,1082 NI_200MHzTimebase,1083 NI_100kHzTimebase,1084 NI_10MHzRefClock,1085 NI_FrequencyOutput,1086 NI_ChangeDetectionEvent,1087 NI_AnalogComparisonEvent,1088 NI_WatchdogExpiredEvent,1089 NI_WatchdogExpirationTrigger,1090 NI_SCXI_Trig1,1091 NI_LogicLow,1092 NI_LogicHigh,1093 NI_ExternalStrobe,1094 NI_PFI_DO,1095 NI_CaseGround,1096 /* special internal signal used as variable source for RTSI bus: */1097 NI_RGOUT0,1098 1099 /* just a name to make the next more convenient, regardless of above */1100 _NI_NAMES_MAX_PLUS_1,1101 NI_NUM_NAMES = _NI_NAMES_MAX_PLUS_1 - NI_NAMES_BASE,1102};1103 1104/* *** END GLOBALLY-NAMED NI TERMINALS/SIGNALS *** */1105 1106#define NI_USUAL_PFI_SELECT(x) (((x) < 10) ? (0x1 + (x)) : (0xb + (x)))1107#define NI_USUAL_RTSI_SELECT(x) (((x) < 7) ? (0xb + (x)) : 0x1b)1108 1109/*1110 * mode bits for NI general-purpose counters, set with1111 * INSN_CONFIG_SET_COUNTER_MODE1112 */1113#define NI_GPCT_COUNTING_MODE_SHIFT 161114#define NI_GPCT_INDEX_PHASE_BITSHIFT 201115#define NI_GPCT_COUNTING_DIRECTION_SHIFT 241116enum ni_gpct_mode_bits {1117 NI_GPCT_GATE_ON_BOTH_EDGES_BIT = 0x4,1118 NI_GPCT_EDGE_GATE_MODE_MASK = 0x18,1119 NI_GPCT_EDGE_GATE_STARTS_STOPS_BITS = 0x0,1120 NI_GPCT_EDGE_GATE_STOPS_STARTS_BITS = 0x8,1121 NI_GPCT_EDGE_GATE_STARTS_BITS = 0x10,1122 NI_GPCT_EDGE_GATE_NO_STARTS_NO_STOPS_BITS = 0x18,1123 NI_GPCT_STOP_MODE_MASK = 0x60,1124 NI_GPCT_STOP_ON_GATE_BITS = 0x00,1125 NI_GPCT_STOP_ON_GATE_OR_TC_BITS = 0x20,1126 NI_GPCT_STOP_ON_GATE_OR_SECOND_TC_BITS = 0x40,1127 NI_GPCT_LOAD_B_SELECT_BIT = 0x80,1128 NI_GPCT_OUTPUT_MODE_MASK = 0x300,1129 NI_GPCT_OUTPUT_TC_PULSE_BITS = 0x100,1130 NI_GPCT_OUTPUT_TC_TOGGLE_BITS = 0x200,1131 NI_GPCT_OUTPUT_TC_OR_GATE_TOGGLE_BITS = 0x300,1132 NI_GPCT_HARDWARE_DISARM_MASK = 0xc00,1133 NI_GPCT_NO_HARDWARE_DISARM_BITS = 0x000,1134 NI_GPCT_DISARM_AT_TC_BITS = 0x400,1135 NI_GPCT_DISARM_AT_GATE_BITS = 0x800,1136 NI_GPCT_DISARM_AT_TC_OR_GATE_BITS = 0xc00,1137 NI_GPCT_LOADING_ON_TC_BIT = 0x1000,1138 NI_GPCT_LOADING_ON_GATE_BIT = 0x4000,1139 NI_GPCT_COUNTING_MODE_MASK = 0x7 << NI_GPCT_COUNTING_MODE_SHIFT,1140 NI_GPCT_COUNTING_MODE_NORMAL_BITS =1141 0x0 << NI_GPCT_COUNTING_MODE_SHIFT,1142 NI_GPCT_COUNTING_MODE_QUADRATURE_X1_BITS =1143 0x1 << NI_GPCT_COUNTING_MODE_SHIFT,1144 NI_GPCT_COUNTING_MODE_QUADRATURE_X2_BITS =1145 0x2 << NI_GPCT_COUNTING_MODE_SHIFT,1146 NI_GPCT_COUNTING_MODE_QUADRATURE_X4_BITS =1147 0x3 << NI_GPCT_COUNTING_MODE_SHIFT,1148 NI_GPCT_COUNTING_MODE_TWO_PULSE_BITS =1149 0x4 << NI_GPCT_COUNTING_MODE_SHIFT,1150 NI_GPCT_COUNTING_MODE_SYNC_SOURCE_BITS =1151 0x6 << NI_GPCT_COUNTING_MODE_SHIFT,1152 NI_GPCT_INDEX_PHASE_MASK = 0x3 << NI_GPCT_INDEX_PHASE_BITSHIFT,1153 NI_GPCT_INDEX_PHASE_LOW_A_LOW_B_BITS =1154 0x0 << NI_GPCT_INDEX_PHASE_BITSHIFT,1155 NI_GPCT_INDEX_PHASE_LOW_A_HIGH_B_BITS =1156 0x1 << NI_GPCT_INDEX_PHASE_BITSHIFT,1157 NI_GPCT_INDEX_PHASE_HIGH_A_LOW_B_BITS =1158 0x2 << NI_GPCT_INDEX_PHASE_BITSHIFT,1159 NI_GPCT_INDEX_PHASE_HIGH_A_HIGH_B_BITS =1160 0x3 << NI_GPCT_INDEX_PHASE_BITSHIFT,1161 NI_GPCT_INDEX_ENABLE_BIT = 0x400000,1162 NI_GPCT_COUNTING_DIRECTION_MASK =1163 0x3 << NI_GPCT_COUNTING_DIRECTION_SHIFT,1164 NI_GPCT_COUNTING_DIRECTION_DOWN_BITS =1165 0x00 << NI_GPCT_COUNTING_DIRECTION_SHIFT,1166 NI_GPCT_COUNTING_DIRECTION_UP_BITS =1167 0x1 << NI_GPCT_COUNTING_DIRECTION_SHIFT,1168 NI_GPCT_COUNTING_DIRECTION_HW_UP_DOWN_BITS =1169 0x2 << NI_GPCT_COUNTING_DIRECTION_SHIFT,1170 NI_GPCT_COUNTING_DIRECTION_HW_GATE_BITS =1171 0x3 << NI_GPCT_COUNTING_DIRECTION_SHIFT,1172 NI_GPCT_RELOAD_SOURCE_MASK = 0xc000000,1173 NI_GPCT_RELOAD_SOURCE_FIXED_BITS = 0x0,1174 NI_GPCT_RELOAD_SOURCE_SWITCHING_BITS = 0x4000000,1175 NI_GPCT_RELOAD_SOURCE_GATE_SELECT_BITS = 0x8000000,1176 NI_GPCT_OR_GATE_BIT = 0x10000000,1177 NI_GPCT_INVERT_OUTPUT_BIT = 0x200000001178};1179 1180/*1181 * Bits for setting a clock source with1182 * INSN_CONFIG_SET_CLOCK_SRC when using NI general-purpose counters.1183 */1184enum ni_gpct_clock_source_bits {1185 NI_GPCT_CLOCK_SRC_SELECT_MASK = 0x3f,1186 NI_GPCT_TIMEBASE_1_CLOCK_SRC_BITS = 0x0,1187 NI_GPCT_TIMEBASE_2_CLOCK_SRC_BITS = 0x1,1188 NI_GPCT_TIMEBASE_3_CLOCK_SRC_BITS = 0x2,1189 NI_GPCT_LOGIC_LOW_CLOCK_SRC_BITS = 0x3,1190 NI_GPCT_NEXT_GATE_CLOCK_SRC_BITS = 0x4,1191 NI_GPCT_NEXT_TC_CLOCK_SRC_BITS = 0x5,1192 /* NI 660x-specific */1193 NI_GPCT_SOURCE_PIN_i_CLOCK_SRC_BITS = 0x6,1194 NI_GPCT_PXI10_CLOCK_SRC_BITS = 0x7,1195 NI_GPCT_PXI_STAR_TRIGGER_CLOCK_SRC_BITS = 0x8,1196 NI_GPCT_ANALOG_TRIGGER_OUT_CLOCK_SRC_BITS = 0x9,1197 NI_GPCT_PRESCALE_MODE_CLOCK_SRC_MASK = 0x30000000,1198 NI_GPCT_NO_PRESCALE_CLOCK_SRC_BITS = 0x0,1199 /* divide source by 2 */1200 NI_GPCT_PRESCALE_X2_CLOCK_SRC_BITS = 0x10000000,1201 /* divide source by 8 */1202 NI_GPCT_PRESCALE_X8_CLOCK_SRC_BITS = 0x20000000,1203 NI_GPCT_INVERT_CLOCK_SRC_BIT = 0x800000001204};1205 1206/* NI 660x-specific */1207#define NI_GPCT_SOURCE_PIN_CLOCK_SRC_BITS(x) (0x10 + (x))1208 1209#define NI_GPCT_RTSI_CLOCK_SRC_BITS(x) (0x18 + (x))1210 1211/* no pfi on NI 660x */1212#define NI_GPCT_PFI_CLOCK_SRC_BITS(x) (0x20 + (x))1213 1214/*1215 * Possibilities for setting a gate source with1216 * INSN_CONFIG_SET_GATE_SRC when using NI general-purpose counters.1217 * May be bitwise-or'd with CR_EDGE or CR_INVERT.1218 */1219enum ni_gpct_gate_select {1220 /* m-series gates */1221 NI_GPCT_TIMESTAMP_MUX_GATE_SELECT = 0x0,1222 NI_GPCT_AI_START2_GATE_SELECT = 0x12,1223 NI_GPCT_PXI_STAR_TRIGGER_GATE_SELECT = 0x13,1224 NI_GPCT_NEXT_OUT_GATE_SELECT = 0x14,1225 NI_GPCT_AI_START1_GATE_SELECT = 0x1c,1226 NI_GPCT_NEXT_SOURCE_GATE_SELECT = 0x1d,1227 NI_GPCT_ANALOG_TRIGGER_OUT_GATE_SELECT = 0x1e,1228 NI_GPCT_LOGIC_LOW_GATE_SELECT = 0x1f,1229 /* more gates for 660x */1230 NI_GPCT_SOURCE_PIN_i_GATE_SELECT = 0x100,1231 NI_GPCT_GATE_PIN_i_GATE_SELECT = 0x101,1232 /* more gates for 660x "second gate" */1233 NI_GPCT_UP_DOWN_PIN_i_GATE_SELECT = 0x201,1234 NI_GPCT_SELECTED_GATE_GATE_SELECT = 0x21e,1235 /*1236 * m-series "second gate" sources are unknown,1237 * we should add them here with an offset of 0x300 when1238 * known.1239 */1240 NI_GPCT_DISABLED_GATE_SELECT = 0x8000,1241};1242 1243#define NI_GPCT_GATE_PIN_GATE_SELECT(x) (0x102 + (x))1244#define NI_GPCT_RTSI_GATE_SELECT(x) NI_USUAL_RTSI_SELECT(x)1245#define NI_GPCT_PFI_GATE_SELECT(x) NI_USUAL_PFI_SELECT(x)1246#define NI_GPCT_UP_DOWN_PIN_GATE_SELECT(x) (0x202 + (x))1247 1248/*1249 * Possibilities for setting a source with1250 * INSN_CONFIG_SET_OTHER_SRC when using NI general-purpose counters.1251 */1252enum ni_gpct_other_index {1253 NI_GPCT_SOURCE_ENCODER_A,1254 NI_GPCT_SOURCE_ENCODER_B,1255 NI_GPCT_SOURCE_ENCODER_Z1256};1257 1258enum ni_gpct_other_select {1259 /* m-series gates */1260 /* Still unknown, probably only need NI_GPCT_PFI_OTHER_SELECT */1261 NI_GPCT_DISABLED_OTHER_SELECT = 0x8000,1262};1263 1264#define NI_GPCT_PFI_OTHER_SELECT(x) NI_USUAL_PFI_SELECT(x)1265 1266/*1267 * start sources for ni general-purpose counters for use with1268 * INSN_CONFIG_ARM1269 */1270enum ni_gpct_arm_source {1271 NI_GPCT_ARM_IMMEDIATE = 0x0,1272 /*1273 * Start both the counter and the adjacent paired counter simultaneously1274 */1275 NI_GPCT_ARM_PAIRED_IMMEDIATE = 0x1,1276 /*1277 * If the NI_GPCT_HW_ARM bit is set, we will pass the least significant1278 * bits (3 bits for 660x or 5 bits for m-series) through to the1279 * hardware. To select a hardware trigger, pass the appropriate select1280 * bit, e.g.,1281 * NI_GPCT_HW_ARM | NI_GPCT_AI_START1_GATE_SELECT or1282 * NI_GPCT_HW_ARM | NI_GPCT_PFI_GATE_SELECT(pfi_number)1283 */1284 NI_GPCT_HW_ARM = 0x1000,1285 NI_GPCT_ARM_UNKNOWN = NI_GPCT_HW_ARM, /* for backward compatibility */1286};1287 1288/* digital filtering options for ni 660x for use with INSN_CONFIG_FILTER. */1289enum ni_gpct_filter_select {1290 NI_GPCT_FILTER_OFF = 0x0,1291 NI_GPCT_FILTER_TIMEBASE_3_SYNC = 0x1,1292 NI_GPCT_FILTER_100x_TIMEBASE_1 = 0x2,1293 NI_GPCT_FILTER_20x_TIMEBASE_1 = 0x3,1294 NI_GPCT_FILTER_10x_TIMEBASE_1 = 0x4,1295 NI_GPCT_FILTER_2x_TIMEBASE_1 = 0x5,1296 NI_GPCT_FILTER_2x_TIMEBASE_3 = 0x61297};1298 1299/*1300 * PFI digital filtering options for ni m-series for use with1301 * INSN_CONFIG_FILTER.1302 */1303enum ni_pfi_filter_select {1304 NI_PFI_FILTER_OFF = 0x0,1305 NI_PFI_FILTER_125ns = 0x1,1306 NI_PFI_FILTER_6425ns = 0x2,1307 NI_PFI_FILTER_2550us = 0x31308};1309 1310/* master clock sources for ni mio boards and INSN_CONFIG_SET_CLOCK_SRC */1311enum ni_mio_clock_source {1312 NI_MIO_INTERNAL_CLOCK = 0,1313 /*1314 * Doesn't work for m-series, use NI_MIO_PLL_RTSI_CLOCK()1315 * the NI_MIO_PLL_* sources are m-series only1316 */1317 NI_MIO_RTSI_CLOCK = 1,1318 NI_MIO_PLL_PXI_STAR_TRIGGER_CLOCK = 2,1319 NI_MIO_PLL_PXI10_CLOCK = 3,1320 NI_MIO_PLL_RTSI0_CLOCK = 41321};1322 1323#define NI_MIO_PLL_RTSI_CLOCK(x) (NI_MIO_PLL_RTSI0_CLOCK + (x))1324 1325/*1326 * Signals which can be routed to an NI RTSI pin with INSN_CONFIG_SET_ROUTING.1327 * The numbers assigned are not arbitrary, they correspond to the bits required1328 * to program the board.1329 */1330enum ni_rtsi_routing {1331 NI_RTSI_OUTPUT_ADR_START1 = 0,1332 NI_RTSI_OUTPUT_ADR_START2 = 1,1333 NI_RTSI_OUTPUT_SCLKG = 2,1334 NI_RTSI_OUTPUT_DACUPDN = 3,1335 NI_RTSI_OUTPUT_DA_START1 = 4,1336 NI_RTSI_OUTPUT_G_SRC0 = 5,1337 NI_RTSI_OUTPUT_G_GATE0 = 6,1338 NI_RTSI_OUTPUT_RGOUT0 = 7,1339 NI_RTSI_OUTPUT_RTSI_BRD_0 = 8,1340 /* Pre-m-series always have RTSI clock on line 7 */1341 NI_RTSI_OUTPUT_RTSI_OSC = 121342};1343 1344#define NI_RTSI_OUTPUT_RTSI_BRD(x) (NI_RTSI_OUTPUT_RTSI_BRD_0 + (x))1345 1346/*1347 * Signals which can be routed to an NI PFI pin on an m-series board with1348 * INSN_CONFIG_SET_ROUTING. These numbers are also returned by1349 * INSN_CONFIG_GET_ROUTING on pre-m-series boards, even though their routing1350 * cannot be changed. The numbers assigned are not arbitrary, they correspond1351 * to the bits required to program the board.1352 */1353enum ni_pfi_routing {1354 NI_PFI_OUTPUT_PFI_DEFAULT = 0,1355 NI_PFI_OUTPUT_AI_START1 = 1,1356 NI_PFI_OUTPUT_AI_START2 = 2,1357 NI_PFI_OUTPUT_AI_CONVERT = 3,1358 NI_PFI_OUTPUT_G_SRC1 = 4,1359 NI_PFI_OUTPUT_G_GATE1 = 5,1360 NI_PFI_OUTPUT_AO_UPDATE_N = 6,1361 NI_PFI_OUTPUT_AO_START1 = 7,1362 NI_PFI_OUTPUT_AI_START_PULSE = 8,1363 NI_PFI_OUTPUT_G_SRC0 = 9,1364 NI_PFI_OUTPUT_G_GATE0 = 10,1365 NI_PFI_OUTPUT_EXT_STROBE = 11,1366 NI_PFI_OUTPUT_AI_EXT_MUX_CLK = 12,1367 NI_PFI_OUTPUT_GOUT0 = 13,1368 NI_PFI_OUTPUT_GOUT1 = 14,1369 NI_PFI_OUTPUT_FREQ_OUT = 15,1370 NI_PFI_OUTPUT_PFI_DO = 16,1371 NI_PFI_OUTPUT_I_ATRIG = 17,1372 NI_PFI_OUTPUT_RTSI0 = 18,1373 NI_PFI_OUTPUT_PXI_STAR_TRIGGER_IN = 26,1374 NI_PFI_OUTPUT_SCXI_TRIG1 = 27,1375 NI_PFI_OUTPUT_DIO_CHANGE_DETECT_RTSI = 28,1376 NI_PFI_OUTPUT_CDI_SAMPLE = 29,1377 NI_PFI_OUTPUT_CDO_UPDATE = 301378};1379 1380#define NI_PFI_OUTPUT_RTSI(x) (NI_PFI_OUTPUT_RTSI0 + (x))1381 1382/*1383 * Signals which can be routed to output on a NI PFI pin on a 660x board1384 * with INSN_CONFIG_SET_ROUTING. The numbers assigned are1385 * not arbitrary, they correspond to the bits required1386 * to program the board. Lines 0 to 7 can only be set to1387 * NI_660X_PFI_OUTPUT_DIO. Lines 32 to 39 can only be set to1388 * NI_660X_PFI_OUTPUT_COUNTER.1389 */1390enum ni_660x_pfi_routing {1391 NI_660X_PFI_OUTPUT_COUNTER = 1, /* counter */1392 NI_660X_PFI_OUTPUT_DIO = 2, /* static digital output */1393};1394 1395/*1396 * NI External Trigger lines. These values are not arbitrary, but are related1397 * to the bits required to program the board (offset by 1 for historical1398 * reasons).1399 */1400#define NI_EXT_PFI(x) (NI_USUAL_PFI_SELECT(x) - 1)1401#define NI_EXT_RTSI(x) (NI_USUAL_RTSI_SELECT(x) - 1)1402 1403/*1404 * Clock sources for CDIO subdevice on NI m-series boards. Used as the1405 * scan_begin_arg for a comedi_command. These sources may also be bitwise-or'd1406 * with CR_INVERT to change polarity.1407 */1408enum ni_m_series_cdio_scan_begin_src {1409 NI_CDIO_SCAN_BEGIN_SRC_GROUND = 0,1410 NI_CDIO_SCAN_BEGIN_SRC_AI_START = 18,1411 NI_CDIO_SCAN_BEGIN_SRC_AI_CONVERT = 19,1412 NI_CDIO_SCAN_BEGIN_SRC_PXI_STAR_TRIGGER = 20,1413 NI_CDIO_SCAN_BEGIN_SRC_G0_OUT = 28,1414 NI_CDIO_SCAN_BEGIN_SRC_G1_OUT = 29,1415 NI_CDIO_SCAN_BEGIN_SRC_ANALOG_TRIGGER = 30,1416 NI_CDIO_SCAN_BEGIN_SRC_AO_UPDATE = 31,1417 NI_CDIO_SCAN_BEGIN_SRC_FREQ_OUT = 32,1418 NI_CDIO_SCAN_BEGIN_SRC_DIO_CHANGE_DETECT_IRQ = 331419};1420 1421#define NI_CDIO_SCAN_BEGIN_SRC_PFI(x) NI_USUAL_PFI_SELECT(x)1422#define NI_CDIO_SCAN_BEGIN_SRC_RTSI(x) NI_USUAL_RTSI_SELECT(x)1423 1424/*1425 * scan_begin_src for scan_begin_arg==TRIG_EXT with analog output command on NI1426 * boards. These scan begin sources can also be bitwise-or'd with CR_INVERT to1427 * change polarity.1428 */1429#define NI_AO_SCAN_BEGIN_SRC_PFI(x) NI_USUAL_PFI_SELECT(x)1430#define NI_AO_SCAN_BEGIN_SRC_RTSI(x) NI_USUAL_RTSI_SELECT(x)1431 1432/*1433 * Bits for setting a clock source with1434 * INSN_CONFIG_SET_CLOCK_SRC when using NI frequency output subdevice.1435 */1436enum ni_freq_out_clock_source_bits {1437 NI_FREQ_OUT_TIMEBASE_1_DIV_2_CLOCK_SRC, /* 10 MHz */1438 NI_FREQ_OUT_TIMEBASE_2_CLOCK_SRC /* 100 KHz */1439};1440 1441/*1442 * Values for setting a clock source with INSN_CONFIG_SET_CLOCK_SRC for1443 * 8254 counter subdevices on Amplicon DIO boards (amplc_dio200 driver).1444 */1445enum amplc_dio_clock_source {1446 /*1447 * Per channel external clock1448 * input/output pin (pin is only an1449 * input when clock source set to this value,1450 * otherwise it is an output)1451 */1452 AMPLC_DIO_CLK_CLKN,1453 AMPLC_DIO_CLK_10MHZ, /* 10 MHz internal clock */1454 AMPLC_DIO_CLK_1MHZ, /* 1 MHz internal clock */1455 AMPLC_DIO_CLK_100KHZ, /* 100 kHz internal clock */1456 AMPLC_DIO_CLK_10KHZ, /* 10 kHz internal clock */1457 AMPLC_DIO_CLK_1KHZ, /* 1 kHz internal clock */1458 /*1459 * Output of preceding counter channel1460 * (for channel 0, preceding counter1461 * channel is channel 2 on preceding1462 * counter subdevice, for first counter1463 * subdevice, preceding counter1464 * subdevice is the last counter1465 * subdevice)1466 */1467 AMPLC_DIO_CLK_OUTNM1,1468 AMPLC_DIO_CLK_EXT, /* per chip external input pin */1469 /* the following are "enhanced" clock sources for PCIe models */1470 AMPLC_DIO_CLK_VCC, /* clock input HIGH */1471 AMPLC_DIO_CLK_GND, /* clock input LOW */1472 AMPLC_DIO_CLK_PAT_PRESENT, /* "pattern present" signal */1473 AMPLC_DIO_CLK_20MHZ /* 20 MHz internal clock */1474};1475 1476/*1477 * Values for setting a clock source with INSN_CONFIG_SET_CLOCK_SRC for1478 * timer subdevice on some Amplicon DIO PCIe boards (amplc_dio200 driver).1479 */1480enum amplc_dio_ts_clock_src {1481 AMPLC_DIO_TS_CLK_1GHZ, /* 1 ns period with 20 ns granularity */1482 AMPLC_DIO_TS_CLK_1MHZ, /* 1 us period */1483 AMPLC_DIO_TS_CLK_1KHZ /* 1 ms period */1484};1485 1486/*1487 * Values for setting a gate source with INSN_CONFIG_SET_GATE_SRC for1488 * 8254 counter subdevices on Amplicon DIO boards (amplc_dio200 driver).1489 */1490enum amplc_dio_gate_source {1491 AMPLC_DIO_GAT_VCC, /* internal high logic level */1492 AMPLC_DIO_GAT_GND, /* internal low logic level */1493 AMPLC_DIO_GAT_GATN, /* per channel external gate input */1494 /*1495 * negated output of counter channel minus 21496 * (for channels 0 or 1, channel minus 2 is channel 1 or 2 on1497 * the preceding counter subdevice, for the first counter subdevice1498 * the preceding counter subdevice is the last counter subdevice)1499 */1500 AMPLC_DIO_GAT_NOUTNM2,1501 AMPLC_DIO_GAT_RESERVED4,1502 AMPLC_DIO_GAT_RESERVED5,1503 AMPLC_DIO_GAT_RESERVED6,1504 AMPLC_DIO_GAT_RESERVED7,1505 /* the following are "enhanced" gate sources for PCIe models */1506 AMPLC_DIO_GAT_NGATN = 6, /* negated per channel gate input */1507 /* non-negated output of counter channel minus 2 */1508 AMPLC_DIO_GAT_OUTNM2,1509 AMPLC_DIO_GAT_PAT_PRESENT, /* "pattern present" signal */1510 AMPLC_DIO_GAT_PAT_OCCURRED, /* "pattern occurred" latched */1511 AMPLC_DIO_GAT_PAT_GONE, /* "pattern gone away" latched */1512 AMPLC_DIO_GAT_NPAT_PRESENT, /* negated "pattern present" */1513 AMPLC_DIO_GAT_NPAT_OCCURRED, /* negated "pattern occurred" */1514 AMPLC_DIO_GAT_NPAT_GONE /* negated "pattern gone away" */1515};1516 1517/*1518 * Values for setting a clock source with INSN_CONFIG_SET_CLOCK_SRC for1519 * the counter subdevice on the Kolter Electronic PCI-Counter board1520 * (ke_counter driver).1521 */1522enum ke_counter_clock_source {1523 KE_CLK_20MHZ, /* internal 20MHz (default) */1524 KE_CLK_4MHZ, /* internal 4MHz (option) */1525 KE_CLK_EXT /* external clock on pin 21 of D-Sub */1526};1527 1528#endif /* _COMEDI_H */1529