1/* 2 include/comedi.h (installed as /usr/include/comedi.h) 3 header file for comedi 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 Lesser 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 19#ifndef _COMEDI_H 20#define _COMEDI_H 21 22#define COMEDI_MAJORVERSION 0 23#define COMEDI_MINORVERSION 7 24#define COMEDI_MICROVERSION 76 25#define VERSION "0.7.76" 26 27/* comedi's major device number */ 28#define COMEDI_MAJOR 98 29 30/* 31 maximum number of minor devices. This can be increased, although 32 kernel structures are currently statically allocated, thus you 33 don't want this to be much more than you actually use. 34 */ 35#define COMEDI_NDEVICES 16 36 37/* number of config options in the config structure */ 38#define COMEDI_NDEVCONFOPTS 32 39 40/* 41 * NOTE: 'comedi_config --init-data' is deprecated 42 * 43 * The following indexes in the config options were used by 44 * comedi_config to pass firmware blobs from user space to the 45 * comedi drivers. The request_firmware() hotplug interface is 46 * now used by all comedi drivers instead. 47 */ 48 49/* length of nth chunk of firmware data -*/ 50#define COMEDI_DEVCONF_AUX_DATA3_LENGTH 25 51#define COMEDI_DEVCONF_AUX_DATA2_LENGTH 26 52#define COMEDI_DEVCONF_AUX_DATA1_LENGTH 27 53#define COMEDI_DEVCONF_AUX_DATA0_LENGTH 28 54/* most significant 32 bits of pointer address (if needed) */ 55#define COMEDI_DEVCONF_AUX_DATA_HI 29 56/* least significant 32 bits of pointer address */ 57#define COMEDI_DEVCONF_AUX_DATA_LO 30 58#define COMEDI_DEVCONF_AUX_DATA_LENGTH 31 /* total data length */ 59 60/* max length of device and driver names */ 61#define COMEDI_NAMELEN 20 62 63/* packs and unpacks a channel/range number */ 64 65#define CR_PACK(chan, rng, aref) \ 66 ((((aref)&0x3)<<24) | (((rng)&0xff)<<16) | (chan)) 67#define CR_PACK_FLAGS(chan, range, aref, flags) \ 68 (CR_PACK(chan, range, aref) | ((flags) & CR_FLAGS_MASK)) 69 70#define CR_CHAN(a) ((a)&0xffff) 71#define CR_RANGE(a) (((a)>>16)&0xff) 72#define CR_AREF(a) (((a)>>24)&0x03) 73 74#define CR_FLAGS_MASK 0xfc000000 75#define CR_ALT_FILTER (1<<26) 76#define CR_DITHER CR_ALT_FILTER 77#define CR_DEGLITCH CR_ALT_FILTER 78#define CR_ALT_SOURCE (1<<27) 79#define CR_EDGE (1<<30) 80#define CR_INVERT (1<<31) 81 82#define AREF_GROUND 0x00 /* analog ref = analog ground */ 83#define AREF_COMMON 0x01 /* analog ref = analog common */ 84#define AREF_DIFF 0x02 /* analog ref = differential */ 85#define AREF_OTHER 0x03 /* analog ref = other (undefined) */ 86 87/* counters -- these are arbitrary values */ 88#define GPCT_RESET 0x0001 89#define GPCT_SET_SOURCE 0x0002 90#define GPCT_SET_GATE 0x0004 91#define GPCT_SET_DIRECTION 0x0008 92#define GPCT_SET_OPERATION 0x0010 93#define GPCT_ARM 0x0020 94#define GPCT_DISARM 0x0040 95#define GPCT_GET_INT_CLK_FRQ 0x0080 96 97#define GPCT_INT_CLOCK 0x0001 98#define GPCT_EXT_PIN 0x0002 99#define GPCT_NO_GATE 0x0004 100#define GPCT_UP 0x0008 101#define GPCT_DOWN 0x0010 102#define GPCT_HWUD 0x0020 103#define GPCT_SIMPLE_EVENT 0x0040 104#define GPCT_SINGLE_PERIOD 0x0080 105#define GPCT_SINGLE_PW 0x0100 106#define GPCT_CONT_PULSE_OUT 0x0200 107#define GPCT_SINGLE_PULSE_OUT 0x0400 108 109/* instructions */ 110 111#define INSN_MASK_WRITE 0x8000000 112#define INSN_MASK_READ 0x4000000 113#define INSN_MASK_SPECIAL 0x2000000 114 115#define INSN_READ (0 | INSN_MASK_READ) 116#define INSN_WRITE (1 | INSN_MASK_WRITE) 117#define INSN_BITS (2 | INSN_MASK_READ|INSN_MASK_WRITE) 118#define INSN_CONFIG (3 | INSN_MASK_READ|INSN_MASK_WRITE) 119#define INSN_GTOD (4 | INSN_MASK_READ|INSN_MASK_SPECIAL) 120#define INSN_WAIT (5 | INSN_MASK_WRITE|INSN_MASK_SPECIAL) 121#define INSN_INTTRIG (6 | INSN_MASK_WRITE|INSN_MASK_SPECIAL) 122 123/* trigger flags */ 124/* These flags are used in comedi_trig structures */ 125 126#define TRIG_DITHER 0x0002 /* enable dithering */ 127#define TRIG_DEGLITCH 0x0004 /* enable deglitching */ 128#define TRIG_CONFIG 0x0010 /* perform configuration, not triggering */ 129 130/* command flags */ 131/* These flags are used in comedi_cmd structures */ 132 133#define CMDF_BOGUS 0x00000001 /* do the motions */ 134 135/* try to use a real-time interrupt while performing command */ 136#define CMDF_PRIORITY 0x00000008 137 138/* wake up on end-of-scan events */ 139#define CMDF_WAKE_EOS 0x00000020 140 141#define CMDF_WRITE 0x00000040 142 143#define CMDF_RAWDATA 0x00000080 144 145/* timer rounding definitions */ 146#define CMDF_ROUND_MASK 0x00030000 147#define CMDF_ROUND_NEAREST 0x00000000 148#define CMDF_ROUND_DOWN 0x00010000 149#define CMDF_ROUND_UP 0x00020000 150#define CMDF_ROUND_UP_NEXT 0x00030000 151 152#define COMEDI_EV_START 0x00040000 153#define COMEDI_EV_SCAN_BEGIN 0x00080000 154#define COMEDI_EV_CONVERT 0x00100000 155#define COMEDI_EV_SCAN_END 0x00200000 156#define COMEDI_EV_STOP 0x00400000 157 158/* compatibility definitions */ 159#define TRIG_BOGUS CMDF_BOGUS 160#define TRIG_RT CMDF_PRIORITY 161#define TRIG_WAKE_EOS CMDF_WAKE_EOS 162#define TRIG_WRITE CMDF_WRITE 163#define TRIG_ROUND_MASK CMDF_ROUND_MASK 164#define TRIG_ROUND_NEAREST CMDF_ROUND_NEAREST 165#define TRIG_ROUND_DOWN CMDF_ROUND_DOWN 166#define TRIG_ROUND_UP CMDF_ROUND_UP 167#define TRIG_ROUND_UP_NEXT CMDF_ROUND_UP_NEXT 168 169/* trigger sources */ 170 171#define TRIG_ANY 0xffffffff 172#define TRIG_INVALID 0x00000000 173 174#define TRIG_NONE 0x00000001 /* never trigger */ 175#define TRIG_NOW 0x00000002 /* trigger now + N ns */ 176#define TRIG_FOLLOW 0x00000004 /* trigger on next lower level trig */ 177#define TRIG_TIME 0x00000008 /* trigger at time N ns */ 178#define TRIG_TIMER 0x00000010 /* trigger at rate N ns */ 179#define TRIG_COUNT 0x00000020 /* trigger when count reaches N */ 180#define TRIG_EXT 0x00000040 /* trigger on external signal N */ 181#define TRIG_INT 0x00000080 /* trigger on comedi-internal signal N */ 182#define TRIG_OTHER 0x00000100 /* driver defined */ 183 184/* subdevice flags */ 185 186#define SDF_BUSY 0x0001 /* device is busy */ 187#define SDF_BUSY_OWNER 0x0002 /* device is busy with your job */ 188#define SDF_LOCKED 0x0004 /* subdevice is locked */ 189#define SDF_LOCK_OWNER 0x0008 /* you own lock */ 190#define SDF_MAXDATA 0x0010 /* maxdata depends on channel */ 191#define SDF_FLAGS 0x0020 /* flags depend on channel */ 192#define SDF_RANGETYPE 0x0040 /* range type depends on channel */ 193#define SDF_MODE0 0x0080 /* can do mode 0 */ 194#define SDF_MODE1 0x0100 /* can do mode 1 */ 195#define SDF_MODE2 0x0200 /* can do mode 2 */ 196#define SDF_MODE3 0x0400 /* can do mode 3 */ 197#define SDF_MODE4 0x0800 /* can do mode 4 */ 198#define SDF_CMD 0x1000 /* can do commands (deprecated) */ 199#define SDF_SOFT_CALIBRATED 0x2000 /* subdevice uses software calibration */ 200#define SDF_CMD_WRITE 0x4000 /* can do output commands */ 201#define SDF_CMD_READ 0x8000 /* can do input commands */ 202 203/* subdevice can be read (e.g. analog input) */ 204#define SDF_READABLE 0x00010000 205/* subdevice can be written (e.g. analog output) */ 206#define SDF_WRITABLE 0x00020000 207#define SDF_WRITEABLE SDF_WRITABLE /* spelling error in API */ 208/* subdevice does not have externally visible lines */ 209#define SDF_INTERNAL 0x00040000 210#define SDF_GROUND 0x00100000 /* can do aref=ground */ 211#define SDF_COMMON 0x00200000 /* can do aref=common */ 212#define SDF_DIFF 0x00400000 /* can do aref=diff */ 213#define SDF_OTHER 0x00800000 /* can do aref=other */ 214#define SDF_DITHER 0x01000000 /* can do dithering */ 215#define SDF_DEGLITCH 0x02000000 /* can do deglitching */ 216#define SDF_MMAP 0x04000000 /* can do mmap() */ 217#define SDF_RUNNING 0x08000000 /* subdevice is acquiring data */ 218#define SDF_LSAMPL 0x10000000 /* subdevice uses 32-bit samples */ 219#define SDF_PACKED 0x20000000 /* subdevice can do packed DIO */ 220/* re recyle these flags for PWM */ 221#define SDF_PWM_COUNTER SDF_MODE0 /* PWM can automatically switch off */ 222#define SDF_PWM_HBRIDGE SDF_MODE1 /* PWM is signed (H-bridge) */ 223 224/* subdevice types */ 225 226enum comedi_subdevice_type { 227 COMEDI_SUBD_UNUSED, /* unused by driver */ 228 COMEDI_SUBD_AI, /* analog input */ 229 COMEDI_SUBD_AO, /* analog output */ 230 COMEDI_SUBD_DI, /* digital input */ 231 COMEDI_SUBD_DO, /* digital output */ 232 COMEDI_SUBD_DIO, /* digital input/output */ 233 COMEDI_SUBD_COUNTER, /* counter */ 234 COMEDI_SUBD_TIMER, /* timer */ 235 COMEDI_SUBD_MEMORY, /* memory, EEPROM, DPRAM */ 236 COMEDI_SUBD_CALIB, /* calibration DACs */ 237 COMEDI_SUBD_PROC, /* processor, DSP */ 238 COMEDI_SUBD_SERIAL, /* serial IO */ 239 COMEDI_SUBD_PWM /* PWM */ 240}; 241 242/* configuration instructions */ 243 244enum configuration_ids { 245 INSN_CONFIG_DIO_INPUT = 0, 246 INSN_CONFIG_DIO_OUTPUT = 1, 247 INSN_CONFIG_DIO_OPENDRAIN = 2, 248 INSN_CONFIG_ANALOG_TRIG = 16, 249/* INSN_CONFIG_WAVEFORM = 17, */ 250/* INSN_CONFIG_TRIG = 18, */ 251/* INSN_CONFIG_COUNTER = 19, */ 252 INSN_CONFIG_ALT_SOURCE = 20, 253 INSN_CONFIG_DIGITAL_TRIG = 21, 254 INSN_CONFIG_BLOCK_SIZE = 22, 255 INSN_CONFIG_TIMER_1 = 23, 256 INSN_CONFIG_FILTER = 24, 257 INSN_CONFIG_CHANGE_NOTIFY = 25, 258 259 INSN_CONFIG_SERIAL_CLOCK = 26, /*ALPHA*/ 260 INSN_CONFIG_BIDIRECTIONAL_DATA = 27, 261 INSN_CONFIG_DIO_QUERY = 28, 262 INSN_CONFIG_PWM_OUTPUT = 29, 263 INSN_CONFIG_GET_PWM_OUTPUT = 30, 264 INSN_CONFIG_ARM = 31, 265 INSN_CONFIG_DISARM = 32, 266 INSN_CONFIG_GET_COUNTER_STATUS = 33, 267 INSN_CONFIG_RESET = 34, 268 /* Use CTR as single pulsegenerator */ 269 INSN_CONFIG_GPCT_SINGLE_PULSE_GENERATOR = 1001, 270 /* Use CTR as pulsetraingenerator */ 271 INSN_CONFIG_GPCT_PULSE_TRAIN_GENERATOR = 1002, 272 /* Use the counter as encoder */ 273 INSN_CONFIG_GPCT_QUADRATURE_ENCODER = 1003, 274 INSN_CONFIG_SET_GATE_SRC = 2001, /* Set gate source */ 275 INSN_CONFIG_GET_GATE_SRC = 2002, /* Get gate source */ 276 /* Set master clock source */ 277 INSN_CONFIG_SET_CLOCK_SRC = 2003, 278 INSN_CONFIG_GET_CLOCK_SRC = 2004, /* Get master clock source */ 279 INSN_CONFIG_SET_OTHER_SRC = 2005, /* Set other source */ 280 /* INSN_CONFIG_GET_OTHER_SRC = 2006,*//* Get other source */ 281 /* Get size in bytes of subdevice's on-board fifos used during 282 * streaming input/output */ 283 INSN_CONFIG_GET_HARDWARE_BUFFER_SIZE = 2006, 284 INSN_CONFIG_SET_COUNTER_MODE = 4097, 285 /* INSN_CONFIG_8254_SET_MODE is deprecated */ 286 INSN_CONFIG_8254_SET_MODE = INSN_CONFIG_SET_COUNTER_MODE, 287 INSN_CONFIG_8254_READ_STATUS = 4098, 288 INSN_CONFIG_SET_ROUTING = 4099, 289 INSN_CONFIG_GET_ROUTING = 4109, 290 /* PWM */ 291 INSN_CONFIG_PWM_SET_PERIOD = 5000, /* sets frequency */ 292 INSN_CONFIG_PWM_GET_PERIOD = 5001, /* gets frequency */ 293 INSN_CONFIG_GET_PWM_STATUS = 5002, /* is it running? */ 294 /* sets H bridge: duty cycle and sign bit for a relay at the 295 * same time */ 296 INSN_CONFIG_PWM_SET_H_BRIDGE = 5003, 297 /* gets H bridge data: duty cycle and the sign bit */ 298 INSN_CONFIG_PWM_GET_H_BRIDGE = 5004 299}; 300 301/* 302 * Settings for INSN_CONFIG_DIGITAL_TRIG: 303 * data[0] = INSN_CONFIG_DIGITAL_TRIG 304 * data[1] = trigger ID 305 * data[2] = configuration operation 306 * data[3] = configuration parameter 1 307 * data[4] = configuration parameter 2 308 * data[5] = configuration parameter 3 309 * 310 * operation parameter 1 parameter 2 parameter 3 311 * --------------------------------- ----------- ----------- ----------- 312 * COMEDI_DIGITAL_TRIG_DISABLE 313 * COMEDI_DIGITAL_TRIG_ENABLE_EDGES left-shift rising-edges falling-edges 314 * COMEDI_DIGITAL_TRIG_ENABLE_LEVELS left-shift high-levels low-levels 315 * 316 * COMEDI_DIGITAL_TRIG_DISABLE returns the trigger to its default, inactive, 317 * unconfigured state. 318 * 319 * COMEDI_DIGITAL_TRIG_ENABLE_EDGES sets the rising and/or falling edge inputs 320 * that each can fire the trigger. 321 * 322 * COMEDI_DIGITAL_TRIG_ENABLE_LEVELS sets a combination of high and/or low 323 * level inputs that can fire the trigger. 324 * 325 * "left-shift" is useful if the trigger has more than 32 inputs to specify the 326 * first input for this configuration. 327 * 328 * Some sequences of INSN_CONFIG_DIGITAL_TRIG instructions may have a (partly) 329 * accumulative effect, depending on the low-level driver. This is useful 330 * when setting up a trigger that has more than 32 inputs or has a combination 331 * of edge and level triggered inputs. 332 */ 333enum comedi_digital_trig_op { 334 COMEDI_DIGITAL_TRIG_DISABLE = 0, 335 COMEDI_DIGITAL_TRIG_ENABLE_EDGES = 1, 336 COMEDI_DIGITAL_TRIG_ENABLE_LEVELS = 2 337}; 338 339enum comedi_io_direction { 340 COMEDI_INPUT = 0, 341 COMEDI_OUTPUT = 1, 342 COMEDI_OPENDRAIN = 2 343}; 344 345enum comedi_support_level { 346 COMEDI_UNKNOWN_SUPPORT = 0, 347 COMEDI_SUPPORTED, 348 COMEDI_UNSUPPORTED 349}; 350 351/* ioctls */ 352 353#define CIO 'd' 354#define COMEDI_DEVCONFIG _IOW(CIO, 0, struct comedi_devconfig) 355#define COMEDI_DEVINFO _IOR(CIO, 1, struct comedi_devinfo) 356#define COMEDI_SUBDINFO _IOR(CIO, 2, struct comedi_subdinfo) 357#define COMEDI_CHANINFO _IOR(CIO, 3, struct comedi_chaninfo) 358#define COMEDI_TRIG _IOWR(CIO, 4, comedi_trig) 359#define COMEDI_LOCK _IO(CIO, 5) 360#define COMEDI_UNLOCK _IO(CIO, 6) 361#define COMEDI_CANCEL _IO(CIO, 7) 362#define COMEDI_RANGEINFO _IOR(CIO, 8, struct comedi_rangeinfo) 363#define COMEDI_CMD _IOR(CIO, 9, struct comedi_cmd) 364#define COMEDI_CMDTEST _IOR(CIO, 10, struct comedi_cmd) 365#define COMEDI_INSNLIST _IOR(CIO, 11, struct comedi_insnlist) 366#define COMEDI_INSN _IOR(CIO, 12, struct comedi_insn) 367#define COMEDI_BUFCONFIG _IOR(CIO, 13, struct comedi_bufconfig) 368#define COMEDI_BUFINFO _IOWR(CIO, 14, struct comedi_bufinfo) 369#define COMEDI_POLL _IO(CIO, 15) 370#define COMEDI_SETRSUBD _IO(CIO, 16) 371#define COMEDI_SETWSUBD _IO(CIO, 17) 372 373/* structures */ 374 375struct comedi_trig { 376 unsigned int subdev; /* subdevice */ 377 unsigned int mode; /* mode */ 378 unsigned int flags; 379 unsigned int n_chan; /* number of channels */ 380 unsigned int *chanlist; /* channel/range list */ 381 short *data; /* data list, size depends on subd flags */ 382 unsigned int n; /* number of scans */ 383 unsigned int trigsrc; 384 unsigned int trigvar; 385 unsigned int trigvar1; 386 unsigned int data_len; 387 unsigned int unused[3]; 388}; 389 390struct comedi_insn { 391 unsigned int insn; 392 unsigned int n; 393 unsigned int __user *data; 394 unsigned int subdev; 395 unsigned int chanspec; 396 unsigned int unused[3]; 397}; 398 399struct comedi_insnlist { 400 unsigned int n_insns; 401 struct comedi_insn __user *insns; 402}; 403 404struct comedi_cmd { 405 unsigned int subdev; 406 unsigned int flags; 407 408 unsigned int start_src; 409 unsigned int start_arg; 410 411 unsigned int scan_begin_src; 412 unsigned int scan_begin_arg; 413 414 unsigned int convert_src; 415 unsigned int convert_arg; 416 417 unsigned int scan_end_src; 418 unsigned int scan_end_arg; 419 420 unsigned int stop_src; 421 unsigned int stop_arg; 422 423 unsigned int *chanlist; /* channel/range list */ 424 unsigned int chanlist_len; 425 426 short __user *data; /* data list, size depends on subd flags */ 427 unsigned int data_len; 428}; 429 430struct comedi_chaninfo { 431 unsigned int subdev; 432 unsigned int __user *maxdata_list; 433 unsigned int __user *flaglist; 434 unsigned int __user *rangelist; 435 unsigned int unused[4]; 436}; 437 438struct comedi_rangeinfo { 439 unsigned int range_type; 440 void __user *range_ptr; 441}; 442 443struct comedi_krange { 444 int min; /* fixed point, multiply by 1e-6 */ 445 int max; /* fixed point, multiply by 1e-6 */ 446 unsigned int flags; 447}; 448 449struct comedi_subdinfo { 450 unsigned int type; 451 unsigned int n_chan; 452 unsigned int subd_flags; 453 unsigned int timer_type; 454 unsigned int len_chanlist; 455 unsigned int maxdata; 456 unsigned int flags; /* channel flags */ 457 unsigned int range_type; /* lookup in kernel */ 458 unsigned int settling_time_0; 459 /* see support_level enum for values */ 460 unsigned insn_bits_support; 461 unsigned int unused[8]; 462}; 463 464struct comedi_devinfo { 465 unsigned int version_code; 466 unsigned int n_subdevs; 467 char driver_name[COMEDI_NAMELEN]; 468 char board_name[COMEDI_NAMELEN]; 469 int read_subdevice; 470 int write_subdevice; 471 int unused[30]; 472}; 473 474struct comedi_devconfig { 475 char board_name[COMEDI_NAMELEN]; 476 int options[COMEDI_NDEVCONFOPTS]; 477}; 478 479struct comedi_bufconfig { 480 unsigned int subdevice; 481 unsigned int flags; 482 483 unsigned int maximum_size; 484 unsigned int size; 485 486 unsigned int unused[4]; 487}; 488 489struct comedi_bufinfo { 490 unsigned int subdevice; 491 unsigned int bytes_read; 492 493 unsigned int buf_write_ptr; 494 unsigned int buf_read_ptr; 495 unsigned int buf_write_count; 496 unsigned int buf_read_count; 497 498 unsigned int bytes_written; 499 500 unsigned int unused[4]; 501}; 502 503/* range stuff */ 504 505#define __RANGE(a, b) ((((a)&0xffff)<<16)|((b)&0xffff)) 506 507#define RANGE_OFFSET(a) (((a)>>16)&0xffff) 508#define RANGE_LENGTH(b) ((b)&0xffff) 509 510#define RF_UNIT(flags) ((flags)&0xff) 511#define RF_EXTERNAL (1<<8) 512 513#define UNIT_volt 0 514#define UNIT_mA 1 515#define UNIT_none 2 516 517#define COMEDI_MIN_SPEED ((unsigned int)0xffffffff) 518 519/**********************************************************/ 520/* everything after this line is ALPHA */ 521/**********************************************************/ 522 523/* 524 8254 specific configuration. 525 526 It supports two config commands: 527 528 0 ID: INSN_CONFIG_SET_COUNTER_MODE 529 1 8254 Mode 530 I8254_MODE0, I8254_MODE1, ..., I8254_MODE5 531 OR'ed with: 532 I8254_BCD, I8254_BINARY 533 534 0 ID: INSN_CONFIG_8254_READ_STATUS 535 1 <-- Status byte returned here. 536 B7 = Output 537 B6 = NULL Count 538 B5 - B0 Current mode. 539 540*/ 541 542enum i8254_mode { 543 I8254_MODE0 = (0 << 1), /* Interrupt on terminal count */ 544 I8254_MODE1 = (1 << 1), /* Hardware retriggerable one-shot */ 545 I8254_MODE2 = (2 << 1), /* Rate generator */ 546 I8254_MODE3 = (3 << 1), /* Square wave mode */ 547 I8254_MODE4 = (4 << 1), /* Software triggered strobe */ 548 I8254_MODE5 = (5 << 1), /* Hardware triggered strobe 549 * (retriggerable) */ 550 I8254_BCD = 1, /* use binary-coded decimal instead of binary 551 * (pretty useless) */ 552 I8254_BINARY = 0 553}; 554 555#define NI_USUAL_PFI_SELECT(x) (((x) < 10) ? (0x1 + (x)) : (0xb + (x))) 556#define NI_USUAL_RTSI_SELECT(x) (((x) < 7) ? (0xb + (x)) : 0x1b) 557 558/* mode bits for NI general-purpose counters, set with 559 * INSN_CONFIG_SET_COUNTER_MODE */ 560#define NI_GPCT_COUNTING_MODE_SHIFT 16 561#define NI_GPCT_INDEX_PHASE_BITSHIFT 20 562#define NI_GPCT_COUNTING_DIRECTION_SHIFT 24 563enum ni_gpct_mode_bits { 564 NI_GPCT_GATE_ON_BOTH_EDGES_BIT = 0x4, 565 NI_GPCT_EDGE_GATE_MODE_MASK = 0x18, 566 NI_GPCT_EDGE_GATE_STARTS_STOPS_BITS = 0x0, 567 NI_GPCT_EDGE_GATE_STOPS_STARTS_BITS = 0x8, 568 NI_GPCT_EDGE_GATE_STARTS_BITS = 0x10, 569 NI_GPCT_EDGE_GATE_NO_STARTS_NO_STOPS_BITS = 0x18, 570 NI_GPCT_STOP_MODE_MASK = 0x60, 571 NI_GPCT_STOP_ON_GATE_BITS = 0x00, 572 NI_GPCT_STOP_ON_GATE_OR_TC_BITS = 0x20, 573 NI_GPCT_STOP_ON_GATE_OR_SECOND_TC_BITS = 0x40, 574 NI_GPCT_LOAD_B_SELECT_BIT = 0x80, 575 NI_GPCT_OUTPUT_MODE_MASK = 0x300, 576 NI_GPCT_OUTPUT_TC_PULSE_BITS = 0x100, 577 NI_GPCT_OUTPUT_TC_TOGGLE_BITS = 0x200, 578 NI_GPCT_OUTPUT_TC_OR_GATE_TOGGLE_BITS = 0x300, 579 NI_GPCT_HARDWARE_DISARM_MASK = 0xc00, 580 NI_GPCT_NO_HARDWARE_DISARM_BITS = 0x000, 581 NI_GPCT_DISARM_AT_TC_BITS = 0x400, 582 NI_GPCT_DISARM_AT_GATE_BITS = 0x800, 583 NI_GPCT_DISARM_AT_TC_OR_GATE_BITS = 0xc00, 584 NI_GPCT_LOADING_ON_TC_BIT = 0x1000, 585 NI_GPCT_LOADING_ON_GATE_BIT = 0x4000, 586 NI_GPCT_COUNTING_MODE_MASK = 0x7 << NI_GPCT_COUNTING_MODE_SHIFT, 587 NI_GPCT_COUNTING_MODE_NORMAL_BITS = 588 0x0 << NI_GPCT_COUNTING_MODE_SHIFT, 589 NI_GPCT_COUNTING_MODE_QUADRATURE_X1_BITS = 590 0x1 << NI_GPCT_COUNTING_MODE_SHIFT, 591 NI_GPCT_COUNTING_MODE_QUADRATURE_X2_BITS = 592 0x2 << NI_GPCT_COUNTING_MODE_SHIFT, 593 NI_GPCT_COUNTING_MODE_QUADRATURE_X4_BITS = 594 0x3 << NI_GPCT_COUNTING_MODE_SHIFT, 595 NI_GPCT_COUNTING_MODE_TWO_PULSE_BITS = 596 0x4 << NI_GPCT_COUNTING_MODE_SHIFT, 597 NI_GPCT_COUNTING_MODE_SYNC_SOURCE_BITS = 598 0x6 << NI_GPCT_COUNTING_MODE_SHIFT, 599 NI_GPCT_INDEX_PHASE_MASK = 0x3 << NI_GPCT_INDEX_PHASE_BITSHIFT, 600 NI_GPCT_INDEX_PHASE_LOW_A_LOW_B_BITS = 601 0x0 << NI_GPCT_INDEX_PHASE_BITSHIFT, 602 NI_GPCT_INDEX_PHASE_LOW_A_HIGH_B_BITS = 603 0x1 << NI_GPCT_INDEX_PHASE_BITSHIFT, 604 NI_GPCT_INDEX_PHASE_HIGH_A_LOW_B_BITS = 605 0x2 << NI_GPCT_INDEX_PHASE_BITSHIFT, 606 NI_GPCT_INDEX_PHASE_HIGH_A_HIGH_B_BITS = 607 0x3 << NI_GPCT_INDEX_PHASE_BITSHIFT, 608 NI_GPCT_INDEX_ENABLE_BIT = 0x400000, 609 NI_GPCT_COUNTING_DIRECTION_MASK = 610 0x3 << NI_GPCT_COUNTING_DIRECTION_SHIFT, 611 NI_GPCT_COUNTING_DIRECTION_DOWN_BITS = 612 0x00 << NI_GPCT_COUNTING_DIRECTION_SHIFT, 613 NI_GPCT_COUNTING_DIRECTION_UP_BITS = 614 0x1 << NI_GPCT_COUNTING_DIRECTION_SHIFT, 615 NI_GPCT_COUNTING_DIRECTION_HW_UP_DOWN_BITS = 616 0x2 << NI_GPCT_COUNTING_DIRECTION_SHIFT, 617 NI_GPCT_COUNTING_DIRECTION_HW_GATE_BITS = 618 0x3 << NI_GPCT_COUNTING_DIRECTION_SHIFT, 619 NI_GPCT_RELOAD_SOURCE_MASK = 0xc000000, 620 NI_GPCT_RELOAD_SOURCE_FIXED_BITS = 0x0, 621 NI_GPCT_RELOAD_SOURCE_SWITCHING_BITS = 0x4000000, 622 NI_GPCT_RELOAD_SOURCE_GATE_SELECT_BITS = 0x8000000, 623 NI_GPCT_OR_GATE_BIT = 0x10000000, 624 NI_GPCT_INVERT_OUTPUT_BIT = 0x20000000 625}; 626 627/* Bits for setting a clock source with 628 * INSN_CONFIG_SET_CLOCK_SRC when using NI general-purpose counters. */ 629enum ni_gpct_clock_source_bits { 630 NI_GPCT_CLOCK_SRC_SELECT_MASK = 0x3f, 631 NI_GPCT_TIMEBASE_1_CLOCK_SRC_BITS = 0x0, 632 NI_GPCT_TIMEBASE_2_CLOCK_SRC_BITS = 0x1, 633 NI_GPCT_TIMEBASE_3_CLOCK_SRC_BITS = 0x2, 634 NI_GPCT_LOGIC_LOW_CLOCK_SRC_BITS = 0x3, 635 NI_GPCT_NEXT_GATE_CLOCK_SRC_BITS = 0x4, 636 NI_GPCT_NEXT_TC_CLOCK_SRC_BITS = 0x5, 637 /* NI 660x-specific */ 638 NI_GPCT_SOURCE_PIN_i_CLOCK_SRC_BITS = 0x6, 639 NI_GPCT_PXI10_CLOCK_SRC_BITS = 0x7, 640 NI_GPCT_PXI_STAR_TRIGGER_CLOCK_SRC_BITS = 0x8, 641 NI_GPCT_ANALOG_TRIGGER_OUT_CLOCK_SRC_BITS = 0x9, 642 NI_GPCT_PRESCALE_MODE_CLOCK_SRC_MASK = 0x30000000, 643 NI_GPCT_NO_PRESCALE_CLOCK_SRC_BITS = 0x0, 644 /* divide source by 2 */ 645 NI_GPCT_PRESCALE_X2_CLOCK_SRC_BITS = 0x10000000, 646 /* divide source by 8 */ 647 NI_GPCT_PRESCALE_X8_CLOCK_SRC_BITS = 0x20000000, 648 NI_GPCT_INVERT_CLOCK_SRC_BIT = 0x80000000 649}; 650 651/* NI 660x-specific */ 652#define NI_GPCT_SOURCE_PIN_CLOCK_SRC_BITS(x) (0x10 + (x)) 653 654#define NI_GPCT_RTSI_CLOCK_SRC_BITS(x) (0x18 + (x)) 655 656/* no pfi on NI 660x */ 657#define NI_GPCT_PFI_CLOCK_SRC_BITS(x) (0x20 + (x)) 658 659/* Possibilities for setting a gate source with 660INSN_CONFIG_SET_GATE_SRC when using NI general-purpose counters. 661May be bitwise-or'd with CR_EDGE or CR_INVERT. */ 662enum ni_gpct_gate_select { 663 /* m-series gates */ 664 NI_GPCT_TIMESTAMP_MUX_GATE_SELECT = 0x0, 665 NI_GPCT_AI_START2_GATE_SELECT = 0x12, 666 NI_GPCT_PXI_STAR_TRIGGER_GATE_SELECT = 0x13, 667 NI_GPCT_NEXT_OUT_GATE_SELECT = 0x14, 668 NI_GPCT_AI_START1_GATE_SELECT = 0x1c, 669 NI_GPCT_NEXT_SOURCE_GATE_SELECT = 0x1d, 670 NI_GPCT_ANALOG_TRIGGER_OUT_GATE_SELECT = 0x1e, 671 NI_GPCT_LOGIC_LOW_GATE_SELECT = 0x1f, 672 /* more gates for 660x */ 673 NI_GPCT_SOURCE_PIN_i_GATE_SELECT = 0x100, 674 NI_GPCT_GATE_PIN_i_GATE_SELECT = 0x101, 675 /* more gates for 660x "second gate" */ 676 NI_GPCT_UP_DOWN_PIN_i_GATE_SELECT = 0x201, 677 NI_GPCT_SELECTED_GATE_GATE_SELECT = 0x21e, 678 /* m-series "second gate" sources are unknown, 679 * we should add them here with an offset of 0x300 when 680 * known. */ 681 NI_GPCT_DISABLED_GATE_SELECT = 0x8000, 682}; 683 684#define NI_GPCT_GATE_PIN_GATE_SELECT(x) (0x102 + (x)) 685#define NI_GPCT_RTSI_GATE_SELECT(x) NI_USUAL_RTSI_SELECT(x) 686#define NI_GPCT_PFI_GATE_SELECT(x) NI_USUAL_PFI_SELECT(x) 687#define NI_GPCT_UP_DOWN_PIN_GATE_SELECT(x) (0x202 + (x)) 688 689/* Possibilities for setting a source with 690INSN_CONFIG_SET_OTHER_SRC when using NI general-purpose counters. */ 691enum ni_gpct_other_index { 692 NI_GPCT_SOURCE_ENCODER_A, 693 NI_GPCT_SOURCE_ENCODER_B, 694 NI_GPCT_SOURCE_ENCODER_Z 695}; 696 697enum ni_gpct_other_select { 698 /* m-series gates */ 699 /* Still unknown, probably only need NI_GPCT_PFI_OTHER_SELECT */ 700 NI_GPCT_DISABLED_OTHER_SELECT = 0x8000, 701}; 702 703#define NI_GPCT_PFI_OTHER_SELECT(x) NI_USUAL_PFI_SELECT(x) 704 705/* start sources for ni general-purpose counters for use with 706INSN_CONFIG_ARM */ 707enum ni_gpct_arm_source { 708 NI_GPCT_ARM_IMMEDIATE = 0x0, 709 NI_GPCT_ARM_PAIRED_IMMEDIATE = 0x1, /* Start both the counter 710 * and the adjacent paired 711 * counter simultaneously */ 712 /* NI doesn't document bits for selecting hardware arm triggers. 713 * If the NI_GPCT_ARM_UNKNOWN bit is set, we will pass the least 714 * significant bits (3 bits for 660x or 5 bits for m-series) 715 * through to the hardware. This will at least allow someone to 716 * figure out what the bits do later. */ 717 NI_GPCT_ARM_UNKNOWN = 0x1000, 718}; 719 720/* digital filtering options for ni 660x for use with INSN_CONFIG_FILTER. */ 721enum ni_gpct_filter_select { 722 NI_GPCT_FILTER_OFF = 0x0, 723 NI_GPCT_FILTER_TIMEBASE_3_SYNC = 0x1, 724 NI_GPCT_FILTER_100x_TIMEBASE_1 = 0x2, 725 NI_GPCT_FILTER_20x_TIMEBASE_1 = 0x3, 726 NI_GPCT_FILTER_10x_TIMEBASE_1 = 0x4, 727 NI_GPCT_FILTER_2x_TIMEBASE_1 = 0x5, 728 NI_GPCT_FILTER_2x_TIMEBASE_3 = 0x6 729}; 730 731/* PFI digital filtering options for ni m-series for use with 732 * INSN_CONFIG_FILTER. */ 733enum ni_pfi_filter_select { 734 NI_PFI_FILTER_OFF = 0x0, 735 NI_PFI_FILTER_125ns = 0x1, 736 NI_PFI_FILTER_6425ns = 0x2, 737 NI_PFI_FILTER_2550us = 0x3 738}; 739 740/* master clock sources for ni mio boards and INSN_CONFIG_SET_CLOCK_SRC */ 741enum ni_mio_clock_source { 742 NI_MIO_INTERNAL_CLOCK = 0, 743 NI_MIO_RTSI_CLOCK = 1, /* doesn't work for m-series, use 744 NI_MIO_PLL_RTSI_CLOCK() */ 745 /* the NI_MIO_PLL_* sources are m-series only */ 746 NI_MIO_PLL_PXI_STAR_TRIGGER_CLOCK = 2, 747 NI_MIO_PLL_PXI10_CLOCK = 3, 748 NI_MIO_PLL_RTSI0_CLOCK = 4 749}; 750 751#define NI_MIO_PLL_RTSI_CLOCK(x) (NI_MIO_PLL_RTSI0_CLOCK + (x)) 752 753/* Signals which can be routed to an NI RTSI pin with INSN_CONFIG_SET_ROUTING. 754 The numbers assigned are not arbitrary, they correspond to the bits required 755 to program the board. */ 756enum ni_rtsi_routing { 757 NI_RTSI_OUTPUT_ADR_START1 = 0, 758 NI_RTSI_OUTPUT_ADR_START2 = 1, 759 NI_RTSI_OUTPUT_SCLKG = 2, 760 NI_RTSI_OUTPUT_DACUPDN = 3, 761 NI_RTSI_OUTPUT_DA_START1 = 4, 762 NI_RTSI_OUTPUT_G_SRC0 = 5, 763 NI_RTSI_OUTPUT_G_GATE0 = 6, 764 NI_RTSI_OUTPUT_RGOUT0 = 7, 765 NI_RTSI_OUTPUT_RTSI_BRD_0 = 8, 766 NI_RTSI_OUTPUT_RTSI_OSC = 12 /* pre-m-series always have RTSI 767 * clock on line 7 */ 768}; 769 770#define NI_RTSI_OUTPUT_RTSI_BRD(x) (NI_RTSI_OUTPUT_RTSI_BRD_0 + (x)) 771 772/* Signals which can be routed to an NI PFI pin on an m-series board with 773 * INSN_CONFIG_SET_ROUTING. These numbers are also returned by 774 * INSN_CONFIG_GET_ROUTING on pre-m-series boards, even though their routing 775 * cannot be changed. The numbers assigned are not arbitrary, they correspond 776 * to the bits required to program the board. */ 777enum ni_pfi_routing { 778 NI_PFI_OUTPUT_PFI_DEFAULT = 0, 779 NI_PFI_OUTPUT_AI_START1 = 1, 780 NI_PFI_OUTPUT_AI_START2 = 2, 781 NI_PFI_OUTPUT_AI_CONVERT = 3, 782 NI_PFI_OUTPUT_G_SRC1 = 4, 783 NI_PFI_OUTPUT_G_GATE1 = 5, 784 NI_PFI_OUTPUT_AO_UPDATE_N = 6, 785 NI_PFI_OUTPUT_AO_START1 = 7, 786 NI_PFI_OUTPUT_AI_START_PULSE = 8, 787 NI_PFI_OUTPUT_G_SRC0 = 9, 788 NI_PFI_OUTPUT_G_GATE0 = 10, 789 NI_PFI_OUTPUT_EXT_STROBE = 11, 790 NI_PFI_OUTPUT_AI_EXT_MUX_CLK = 12, 791 NI_PFI_OUTPUT_GOUT0 = 13, 792 NI_PFI_OUTPUT_GOUT1 = 14, 793 NI_PFI_OUTPUT_FREQ_OUT = 15, 794 NI_PFI_OUTPUT_PFI_DO = 16, 795 NI_PFI_OUTPUT_I_ATRIG = 17, 796 NI_PFI_OUTPUT_RTSI0 = 18, 797 NI_PFI_OUTPUT_PXI_STAR_TRIGGER_IN = 26, 798 NI_PFI_OUTPUT_SCXI_TRIG1 = 27, 799 NI_PFI_OUTPUT_DIO_CHANGE_DETECT_RTSI = 28, 800 NI_PFI_OUTPUT_CDI_SAMPLE = 29, 801 NI_PFI_OUTPUT_CDO_UPDATE = 30 802}; 803 804#define NI_PFI_OUTPUT_RTSI(x) (NI_PFI_OUTPUT_RTSI0 + (x)) 805 806/* Signals which can be routed to output on a NI PFI pin on a 660x board 807 with INSN_CONFIG_SET_ROUTING. The numbers assigned are 808 not arbitrary, they correspond to the bits required 809 to program the board. Lines 0 to 7 can only be set to 810 NI_660X_PFI_OUTPUT_DIO. Lines 32 to 39 can only be set to 811 NI_660X_PFI_OUTPUT_COUNTER. */ 812enum ni_660x_pfi_routing { 813 NI_660X_PFI_OUTPUT_COUNTER = 1, /* counter */ 814 NI_660X_PFI_OUTPUT_DIO = 2, /* static digital output */ 815}; 816 817/* NI External Trigger lines. These values are not arbitrary, but are related 818 * to the bits required to program the board (offset by 1 for historical 819 * reasons). */ 820#define NI_EXT_PFI(x) (NI_USUAL_PFI_SELECT(x) - 1) 821#define NI_EXT_RTSI(x) (NI_USUAL_RTSI_SELECT(x) - 1) 822 823/* status bits for INSN_CONFIG_GET_COUNTER_STATUS */ 824enum comedi_counter_status_flags { 825 COMEDI_COUNTER_ARMED = 0x1, 826 COMEDI_COUNTER_COUNTING = 0x2, 827 COMEDI_COUNTER_TERMINAL_COUNT = 0x4, 828}; 829 830/* Clock sources for CDIO subdevice on NI m-series boards. Used as the 831 * scan_begin_arg for a comedi_command. These sources may also be bitwise-or'd 832 * with CR_INVERT to change polarity. */ 833enum ni_m_series_cdio_scan_begin_src { 834 NI_CDIO_SCAN_BEGIN_SRC_GROUND = 0, 835 NI_CDIO_SCAN_BEGIN_SRC_AI_START = 18, 836 NI_CDIO_SCAN_BEGIN_SRC_AI_CONVERT = 19, 837 NI_CDIO_SCAN_BEGIN_SRC_PXI_STAR_TRIGGER = 20, 838 NI_CDIO_SCAN_BEGIN_SRC_G0_OUT = 28, 839 NI_CDIO_SCAN_BEGIN_SRC_G1_OUT = 29, 840 NI_CDIO_SCAN_BEGIN_SRC_ANALOG_TRIGGER = 30, 841 NI_CDIO_SCAN_BEGIN_SRC_AO_UPDATE = 31, 842 NI_CDIO_SCAN_BEGIN_SRC_FREQ_OUT = 32, 843 NI_CDIO_SCAN_BEGIN_SRC_DIO_CHANGE_DETECT_IRQ = 33 844}; 845 846#define NI_CDIO_SCAN_BEGIN_SRC_PFI(x) NI_USUAL_PFI_SELECT(x) 847#define NI_CDIO_SCAN_BEGIN_SRC_RTSI(x) NI_USUAL_RTSI_SELECT(x) 848 849/* scan_begin_src for scan_begin_arg==TRIG_EXT with analog output command on NI 850 * boards. These scan begin sources can also be bitwise-or'd with CR_INVERT to 851 * change polarity. */ 852#define NI_AO_SCAN_BEGIN_SRC_PFI(x) NI_USUAL_PFI_SELECT(x) 853#define NI_AO_SCAN_BEGIN_SRC_RTSI(x) NI_USUAL_RTSI_SELECT(x) 854 855/* Bits for setting a clock source with 856 * INSN_CONFIG_SET_CLOCK_SRC when using NI frequency output subdevice. */ 857enum ni_freq_out_clock_source_bits { 858 NI_FREQ_OUT_TIMEBASE_1_DIV_2_CLOCK_SRC, /* 10 MHz */ 859 NI_FREQ_OUT_TIMEBASE_2_CLOCK_SRC /* 100 KHz */ 860}; 861 862/* Values for setting a clock source with INSN_CONFIG_SET_CLOCK_SRC for 863 * 8254 counter subdevices on Amplicon DIO boards (amplc_dio200 driver). */ 864enum amplc_dio_clock_source { 865 AMPLC_DIO_CLK_CLKN, /* per channel external clock 866 input/output pin (pin is only an 867 input when clock source set to this 868 value, otherwise it is an output) */ 869 AMPLC_DIO_CLK_10MHZ, /* 10 MHz internal clock */ 870 AMPLC_DIO_CLK_1MHZ, /* 1 MHz internal clock */ 871 AMPLC_DIO_CLK_100KHZ, /* 100 kHz internal clock */ 872 AMPLC_DIO_CLK_10KHZ, /* 10 kHz internal clock */ 873 AMPLC_DIO_CLK_1KHZ, /* 1 kHz internal clock */ 874 AMPLC_DIO_CLK_OUTNM1, /* output of preceding counter channel 875 (for channel 0, preceding counter 876 channel is channel 2 on preceding 877 counter subdevice, for first counter 878 subdevice, preceding counter 879 subdevice is the last counter 880 subdevice) */ 881 AMPLC_DIO_CLK_EXT, /* per chip external input pin */ 882 /* the following are "enhanced" clock sources for PCIe models */ 883 AMPLC_DIO_CLK_VCC, /* clock input HIGH */ 884 AMPLC_DIO_CLK_GND, /* clock input LOW */ 885 AMPLC_DIO_CLK_PAT_PRESENT, /* "pattern present" signal */ 886 AMPLC_DIO_CLK_20MHZ /* 20 MHz internal clock */ 887}; 888 889/* Values for setting a clock source with INSN_CONFIG_SET_CLOCK_SRC for 890 * timer subdevice on some Amplicon DIO PCIe boards (amplc_dio200 driver). */ 891enum amplc_dio_ts_clock_src { 892 AMPLC_DIO_TS_CLK_1GHZ, /* 1 ns period with 20 ns granularity */ 893 AMPLC_DIO_TS_CLK_1MHZ, /* 1 us period */ 894 AMPLC_DIO_TS_CLK_1KHZ /* 1 ms period */ 895}; 896 897/* Values for setting a gate source with INSN_CONFIG_SET_GATE_SRC for 898 * 8254 counter subdevices on Amplicon DIO boards (amplc_dio200 driver). */ 899enum amplc_dio_gate_source { 900 AMPLC_DIO_GAT_VCC, /* internal high logic level */ 901 AMPLC_DIO_GAT_GND, /* internal low logic level */ 902 AMPLC_DIO_GAT_GATN, /* per channel external gate input */ 903 AMPLC_DIO_GAT_NOUTNM2, /* negated output of counter channel 904 minus 2 (for channels 0 or 1, 905 channel minus 2 is channel 1 or 2 on 906 the preceding counter subdevice, for 907 the first counter subdevice the 908 preceding counter subdevice is the 909 last counter subdevice) */ 910 AMPLC_DIO_GAT_RESERVED4, 911 AMPLC_DIO_GAT_RESERVED5, 912 AMPLC_DIO_GAT_RESERVED6, 913 AMPLC_DIO_GAT_RESERVED7, 914 /* the following are "enhanced" gate sources for PCIe models */ 915 AMPLC_DIO_GAT_NGATN = 6, /* negated per channel gate input */ 916 AMPLC_DIO_GAT_OUTNM2, /* non-negated output of counter 917 channel minus 2 */ 918 AMPLC_DIO_GAT_PAT_PRESENT, /* "pattern present" signal */ 919 AMPLC_DIO_GAT_PAT_OCCURRED, /* "pattern occurred" latched */ 920 AMPLC_DIO_GAT_PAT_GONE, /* "pattern gone away" latched */ 921 AMPLC_DIO_GAT_NPAT_PRESENT, /* negated "pattern present" */ 922 AMPLC_DIO_GAT_NPAT_OCCURRED, /* negated "pattern occurred" */ 923 AMPLC_DIO_GAT_NPAT_GONE /* negated "pattern gone away" */ 924}; 925 926/* 927 * Values for setting a clock source with INSN_CONFIG_SET_CLOCK_SRC for 928 * the counter subdevice on the Kolter Electronic PCI-Counter board 929 * (ke_counter driver). 930 */ 931enum ke_counter_clock_source { 932 KE_CLK_20MHZ, /* internal 20MHz (default) */ 933 KE_CLK_4MHZ, /* internal 4MHz (option) */ 934 KE_CLK_EXT /* external clock on pin 21 of D-Sub */ 935}; 936 937#endif /* _COMEDI_H */ 938