src/hardware/zeroplus-logic-cube/api.c

   1 /*
   2  * This file is part of the libsigrok project.
   3  *
   4  * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include <config.h>
  21 #include "protocol.h"
  22
  23 #define USB_INTERFACE                   0
  24 #define USB_CONFIGURATION               1
  25 #define NUM_TRIGGER_STAGES              4
  26 #define PACKET_SIZE                     2048    /* ?? */
  27
  28 //#define ZP_EXPERIMENTAL
  29
  30 struct zp_model {
  31         uint16_t vid;
  32         uint16_t pid;
  33         const char *model_name;
  34         unsigned int channels;
  35         unsigned int sample_depth;      /* In Ksamples/channel */
  36         unsigned int max_sampling_freq;
  37 };
  38
  39 /*
  40  * Note -- 16032, 16064 and 16128 *usually* -- but not always -- have the
  41  * same 128K sample depth.
  42  */
  43 static const struct zp_model zeroplus_models[] = {
  44         {0x0c12, 0x7002, "LAP-16128U",    16, 128,  200},
  45         {0x0c12, 0x7007, "LAP-16032U",    16, 32,   200},
  46         {0x0c12, 0x7009, "LAP-C(16064)",  16, 64,   100},
  47         {0x0c12, 0x700a, "LAP-C(16128)",  16, 128,  200},
  48         {0x0c12, 0x700b, "LAP-C(32128)",  32, 128,  200},
  49         {0x0c12, 0x700c, "LAP-C(321000)", 32, 1024, 200},
  50         {0x0c12, 0x700d, "LAP-C(322000)", 32, 2048, 200},
  51         {0x0c12, 0x700e, "LAP-C(16032)",  16, 32,   100},
  52         {0x0c12, 0x7016, "LAP-C(162000)", 16, 2048, 200},
  53         {0x0c12, 0x7025, "LAP-C(16128+)", 16, 128,  200},
  54         {0x0c12, 0x7064, "Logian-16L",    16, 128,  200},
  55         {0x0c12, 0x7100, "AKIP-9101",     16, 256,  200},
  56         ALL_ZERO
  57 };
  58
  59 static const uint32_t drvopts[] = {
  60         SR_CONF_LOGIC_ANALYZER,
  61 };
  62
  63 static const uint32_t devopts[] = {
  64         SR_CONF_LIMIT_SAMPLES | SR_CONF_SET | SR_CONF_LIST,
  65         SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
  66         SR_CONF_TRIGGER_MATCH | SR_CONF_LIST,
  67         SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET,
  68         SR_CONF_VOLTAGE_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
  69 };
  70
  71 static const int32_t trigger_matches[] = {
  72         SR_TRIGGER_ZERO,
  73         SR_TRIGGER_ONE,
  74 };
  75
  76 /*
  77  * ZEROPLUS LAP-C (16032) numbers the 16 channels A0-A7 and B0-B7.
  78  * We currently ignore other untested/unsupported devices here.
  79  */
  80 static const char *channel_names[] = {
  81         "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7",
  82         "B0", "B1", "B2", "B3", "B4", "B5", "B6", "B7",
  83         "C0", "C1", "C2", "C3", "C4", "C5", "C6", "C7",
  84         "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
  85 };
  86
  87 /*
  88  * The hardware supports more samplerates than these, but these are the
  89  * options hardcoded into the vendor's Windows GUI.
  90  */
  91
  92 static const uint64_t samplerates_100[] = {
  93         SR_HZ(100),
  94         SR_HZ(500),
  95         SR_KHZ(1),
  96         SR_KHZ(5),
  97         SR_KHZ(25),
  98         SR_KHZ(50),
  99         SR_KHZ(100),
 100         SR_KHZ(200),
 101         SR_KHZ(400),
 102         SR_KHZ(800),
 103         SR_MHZ(1),
 104         SR_MHZ(10),
 105         SR_MHZ(25),
 106         SR_MHZ(50),
 107         SR_MHZ(80),
 108         SR_MHZ(100),
 109 };
 110
 111 const uint64_t samplerates_200[] = {
 112         SR_HZ(100),
 113         SR_HZ(500),
 114         SR_KHZ(1),
 115         SR_KHZ(5),
 116         SR_KHZ(25),
 117         SR_KHZ(50),
 118         SR_KHZ(100),
 119         SR_KHZ(200),
 120         SR_KHZ(400),
 121         SR_KHZ(800),
 122         SR_MHZ(1),
 123         SR_MHZ(10),
 124         SR_MHZ(25),
 125         SR_MHZ(50),
 126         SR_MHZ(80),
 127         SR_MHZ(100),
 128         SR_MHZ(150),
 129         SR_MHZ(200),
 130 };
 131
 132 SR_PRIV int zp_set_samplerate(struct dev_context *devc, uint64_t samplerate)
 133 {
 134         int i;
 135
 136         for (i = 0; ARRAY_SIZE(samplerates_200); i++)
 137                 if (samplerate == samplerates_200[i])
 138                         break;
 139
 140         if (i == ARRAY_SIZE(samplerates_200) || samplerate > devc->max_samplerate) {
 141                 sr_err("Unsupported samplerate: %" PRIu64 "Hz.", samplerate);
 142                 return SR_ERR_ARG;
 143         }
 144
 145         sr_info("Setting samplerate to %" PRIu64 "Hz.", samplerate);
 146
 147         if (samplerate >= SR_MHZ(1))
 148                 analyzer_set_freq(samplerate / SR_MHZ(1), FREQ_SCALE_MHZ);
 149         else if (samplerate >= SR_KHZ(1))
 150                 analyzer_set_freq(samplerate / SR_KHZ(1), FREQ_SCALE_KHZ);
 151         else
 152                 analyzer_set_freq(samplerate, FREQ_SCALE_HZ);
 153
 154         devc->cur_samplerate = samplerate;
 155
 156         return SR_OK;
 157 }
 158
 159 static GSList *scan(struct sr_dev_driver *di, GSList *options)
 160 {
 161         struct sr_dev_inst *sdi;
 162         struct drv_context *drvc;
 163         struct dev_context *devc;
 164         const struct zp_model *prof;
 165         struct libusb_device_descriptor des;
 166         struct libusb_device_handle *hdl;
 167         libusb_device **devlist;
 168         GSList *devices;
 169         int ret, i, j;
 170         char serial_num[64], connection_id[64];
 171
 172         (void)options;
 173
 174         drvc = di->context;
 175
 176         devices = NULL;
 177
 178         /* Find all ZEROPLUS analyzers and add them to device list. */
 179         libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); /* TODO: Errors. */
 180
 181         for (i = 0; devlist[i]; i++) {
 182                 libusb_get_device_descriptor(devlist[i], &des);
 183
 184                 if ((ret = libusb_open(devlist[i], &hdl)) < 0)
 185                         continue;
 186
 187                 if (des.iSerialNumber == 0) {
 188                         serial_num[0] = '\0';
 189                 } else if ((ret = libusb_get_string_descriptor_ascii(hdl,
 190                                 des.iSerialNumber, (unsigned char *) serial_num,
 191                                 sizeof(serial_num))) < 0) {
 192                         sr_warn("Failed to get serial number string descriptor: %s.",
 193                                 libusb_error_name(ret));
 194                         continue;
 195                 }
 196
 197                 libusb_close(hdl);
 198
 199                 usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
 200
 201                 prof = NULL;
 202                 for (j = 0; j < zeroplus_models[j].vid; j++) {
 203                         if (des.idVendor == zeroplus_models[j].vid &&
 204                                 des.idProduct == zeroplus_models[j].pid) {
 205                                 prof = &zeroplus_models[j];
 206                         }
 207                 }
 208
 209                 if (!prof)
 210                         continue;
 211                 sr_info("Found ZEROPLUS %s.", prof->model_name);
 212
 213                 sdi = g_malloc0(sizeof(struct sr_dev_inst));
 214                 sdi->status = SR_ST_INACTIVE;
 215                 sdi->vendor = g_strdup("ZEROPLUS");
 216                 sdi->model = g_strdup(prof->model_name);
 217                 sdi->serial_num = g_strdup(serial_num);
 218                 sdi->connection_id = g_strdup(connection_id);
 219
 220                 devc = g_malloc0(sizeof(struct dev_context));
 221                 sdi->priv = devc;
 222                 devc->prof = prof;
 223                 devc->num_channels = prof->channels;
 224 #ifdef ZP_EXPERIMENTAL
 225                 devc->max_sample_depth = 128 * 1024;
 226                 devc->max_samplerate = 200;
 227 #else
 228                 devc->max_sample_depth = prof->sample_depth * 1024;
 229                 devc->max_samplerate = prof->max_sampling_freq;
 230 #endif
 231                 devc->max_samplerate *= SR_MHZ(1);
 232                 devc->memory_size = MEMORY_SIZE_8K;
 233                 // memset(devc->trigger_buffer, 0, NUM_TRIGGER_STAGES);
 234
 235                 for (j = 0; j < devc->num_channels; j++)
 236                         sr_channel_new(sdi, j, SR_CHANNEL_LOGIC, TRUE,
 237                                         channel_names[j]);
 238
 239                 devices = g_slist_append(devices, sdi);
 240                 sdi->inst_type = SR_INST_USB;
 241                 sdi->conn = sr_usb_dev_inst_new(
 242                         libusb_get_bus_number(devlist[i]),
 243                         libusb_get_device_address(devlist[i]), NULL);
 244         }
 245         libusb_free_device_list(devlist, 1);
 246
 247         return std_scan_complete(di, devices);
 248 }
 249
 250 static int dev_open(struct sr_dev_inst *sdi)
 251 {
 252         struct sr_dev_driver *di = sdi->driver;
 253         struct dev_context *devc;
 254         struct drv_context *drvc;
 255         struct sr_usb_dev_inst *usb;
 256         int ret;
 257
 258         drvc = di->context;
 259         usb = sdi->conn;
 260         devc = sdi->priv;
 261
 262         ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb);
 263         if (ret != SR_OK)
 264                 return ret;
 265
 266         ret = libusb_set_configuration(usb->devhdl, USB_CONFIGURATION);
 267         if (ret < 0) {
 268                 sr_err("Unable to set USB configuration %d: %s.",
 269                        USB_CONFIGURATION, libusb_error_name(ret));
 270                 return SR_ERR;
 271         }
 272
 273         ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE);
 274         if (ret != 0) {
 275                 sr_err("Unable to claim interface: %s.",
 276                        libusb_error_name(ret));
 277                 return SR_ERR;
 278         }
 279
 280         /* Set default configuration after power on. */
 281         if (analyzer_read_status(usb->devhdl) == 0)
 282                 analyzer_configure(usb->devhdl);
 283
 284         analyzer_reset(usb->devhdl);
 285         analyzer_initialize(usb->devhdl);
 286
 287         //analyzer_set_memory_size(MEMORY_SIZE_512K);
 288         // analyzer_set_freq(g_freq, g_freq_scale);
 289         analyzer_set_trigger_count(1);
 290         // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger)
 291         // * get_memory_size(g_memory_size)) / 100) >> 2);
 292
 293 #if 0
 294         if (g_double_mode == 1)
 295                 analyzer_set_compression(COMPRESSION_DOUBLE);
 296         else if (g_compression == 1)
 297                 analyzer_set_compression(COMPRESSION_ENABLE);
 298         else
 299 #endif
 300         analyzer_set_compression(COMPRESSION_NONE);
 301
 302         if (devc->cur_samplerate == 0) {
 303                 /* Samplerate hasn't been set. Default to 1MHz. */
 304                 analyzer_set_freq(1, FREQ_SCALE_MHZ);
 305                 devc->cur_samplerate = SR_MHZ(1);
 306         }
 307
 308         if (devc->cur_threshold == 0)
 309                 set_voltage_threshold(devc, 1.5);
 310
 311         return SR_OK;
 312 }
 313
 314 static int dev_close(struct sr_dev_inst *sdi)
 315 {
 316         struct sr_usb_dev_inst *usb;
 317
 318         usb = sdi->conn;
 319
 320         if (!usb->devhdl)
 321                 return SR_ERR_BUG;
 322
 323         sr_info("Closing device on %d.%d (logical) / %s (physical) interface %d.",
 324                 usb->bus, usb->address, sdi->connection_id, USB_INTERFACE);
 325         libusb_release_interface(usb->devhdl, USB_INTERFACE);
 326         libusb_reset_device(usb->devhdl);
 327         libusb_close(usb->devhdl);
 328         usb->devhdl = NULL;
 329
 330         return SR_OK;
 331 }
 332
 333 static int config_get(uint32_t key, GVariant **data,
 334         const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 335 {
 336         struct dev_context *devc;
 337
 338         (void)cg;
 339
 340         if (!sdi)
 341                 return SR_ERR_ARG;
 342
 343         devc = sdi->priv;
 344
 345         switch (key) {
 346         case SR_CONF_SAMPLERATE:
 347                 *data = g_variant_new_uint64(devc->cur_samplerate);
 348                 break;
 349         case SR_CONF_CAPTURE_RATIO:
 350                 *data = g_variant_new_uint64(devc->capture_ratio);
 351                 break;
 352         case SR_CONF_VOLTAGE_THRESHOLD:
 353                 *data = std_gvar_tuple_double(devc->cur_threshold, devc->cur_threshold);
 354                 break;
 355         default:
 356                 return SR_ERR_NA;
 357         }
 358
 359         return SR_OK;
 360 }
 361
 362 static int config_set(uint32_t key, GVariant *data,
 363         const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 364 {
 365         struct dev_context *devc;
 366         gdouble low, high;
 367
 368         (void)cg;
 369
 370         devc = sdi->priv;
 371
 372         switch (key) {
 373         case SR_CONF_SAMPLERATE:
 374                 return zp_set_samplerate(devc, g_variant_get_uint64(data));
 375         case SR_CONF_LIMIT_SAMPLES:
 376                 return set_limit_samples(devc, g_variant_get_uint64(data));
 377         case SR_CONF_CAPTURE_RATIO:
 378                 devc->capture_ratio = g_variant_get_uint64(data);
 379                 break;
 380         case SR_CONF_VOLTAGE_THRESHOLD:
 381                 g_variant_get(data, "(dd)", &low, &high);
 382                 return set_voltage_threshold(devc, (low + high) / 2.0);
 383         default:
 384                 return SR_ERR_NA;
 385         }
 386
 387         return SR_OK;
 388 }
 389
 390 static int config_list(uint32_t key, GVariant **data,
 391         const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 392 {
 393         struct dev_context *devc;
 394
 395         switch (key) {
 396         case SR_CONF_DEVICE_OPTIONS:
 397                 return STD_CONFIG_LIST(key, data, sdi, cg, NULL, drvopts, devopts);
 398         case SR_CONF_SAMPLERATE:
 399                 devc = sdi->priv;
 400                 if (devc->prof->max_sampling_freq == 100)
 401                         *data = std_gvar_samplerates(ARRAY_AND_SIZE(samplerates_100));
 402                 else if (devc->prof->max_sampling_freq == 200)
 403                         *data = std_gvar_samplerates(ARRAY_AND_SIZE(samplerates_200));
 404                 else {
 405                         sr_err("Internal error: Unknown max. samplerate: %d.",
 406                                devc->prof->max_sampling_freq);
 407                         return SR_ERR_ARG;
 408                 }
 409                 break;
 410         case SR_CONF_TRIGGER_MATCH:
 411                 *data = std_gvar_array_i32(ARRAY_AND_SIZE(trigger_matches));
 412                 break;
 413         case SR_CONF_VOLTAGE_THRESHOLD:
 414                 *data = std_gvar_min_max_step_thresholds(-6.0, 6.0, 0.1);
 415                 break;
 416         case SR_CONF_LIMIT_SAMPLES:
 417                 if (!sdi)
 418                         return SR_ERR_ARG;
 419                 devc = sdi->priv;
 420                 *data = std_gvar_tuple_u64(0, devc->max_sample_depth);
 421                 break;
 422         default:
 423                 return SR_ERR_NA;
 424         }
 425
 426         return SR_OK;
 427 }
 428
 429 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 430 {
 431         struct dev_context *devc;
 432         struct sr_usb_dev_inst *usb;
 433         struct sr_datafeed_packet packet;
 434         struct sr_datafeed_logic logic;
 435         unsigned int samples_read;
 436         int res;
 437         unsigned int packet_num, n;
 438         unsigned char *buf;
 439         unsigned int status;
 440         unsigned int stop_address;
 441         unsigned int now_address;
 442         unsigned int trigger_address;
 443         unsigned int trigger_offset;
 444         unsigned int triggerbar;
 445         unsigned int ramsize_trigger;
 446         unsigned int memory_size;
 447         unsigned int valid_samples;
 448         unsigned int discard;
 449         int trigger_now;
 450
 451         devc = sdi->priv;
 452
 453         if (analyzer_add_triggers(sdi) != SR_OK) {
 454                 sr_err("Failed to configure triggers.");
 455                 return SR_ERR;
 456         }
 457
 458         usb = sdi->conn;
 459
 460         set_triggerbar(devc);
 461
 462         /* Push configured settings to device. */
 463         analyzer_configure(usb->devhdl);
 464
 465         analyzer_start(usb->devhdl);
 466         sr_info("Waiting for data.");
 467         analyzer_wait_data(usb->devhdl);
 468
 469         status = analyzer_read_status(usb->devhdl);
 470         stop_address = analyzer_get_stop_address(usb->devhdl);
 471         now_address = analyzer_get_now_address(usb->devhdl);
 472         trigger_address = analyzer_get_trigger_address(usb->devhdl);
 473
 474         triggerbar = analyzer_get_triggerbar_address();
 475         ramsize_trigger = analyzer_get_ramsize_trigger_address();
 476
 477         n = get_memory_size(devc->memory_size);
 478         memory_size = n / 4;
 479
 480         sr_info("Status = 0x%x.", status);
 481         sr_info("Stop address       = 0x%x.", stop_address);
 482         sr_info("Now address        = 0x%x.", now_address);
 483         sr_info("Trigger address    = 0x%x.", trigger_address);
 484         sr_info("Triggerbar address = 0x%x.", triggerbar);
 485         sr_info("Ramsize trigger    = 0x%x.", ramsize_trigger);
 486         sr_info("Memory size        = 0x%x.", memory_size);
 487
 488         std_session_send_df_header(sdi);
 489
 490         /* Check for empty capture */
 491         if ((status & STATUS_READY) && !stop_address) {
 492                 std_session_send_df_end(sdi);
 493                 return SR_OK;
 494         }
 495
 496         buf = g_malloc(PACKET_SIZE);
 497
 498         /* Check if the trigger is in the samples we are throwing away */
 499         trigger_now = now_address == trigger_address ||
 500                 ((now_address + 1) % memory_size) == trigger_address;
 501
 502         /*
 503          * STATUS_READY doesn't clear until now_address advances past
 504          * addr 0, but for our logic, clear it in that case
 505          */
 506         if (!now_address)
 507                 status &= ~STATUS_READY;
 508
 509         analyzer_read_start(usb->devhdl);
 510
 511         /* Calculate how much data to discard */
 512         discard = 0;
 513         if (status & STATUS_READY) {
 514                 /*
 515                  * We haven't wrapped around, we need to throw away data from
 516                  * our current position to the end of the buffer.
 517                  * Additionally, the first two samples captured are always
 518                  * bogus.
 519                  */
 520                 discard += memory_size - now_address + 2;
 521                 now_address = 2;
 522         }
 523
 524         /* If we have more samples than we need, discard them */
 525         valid_samples = (stop_address - now_address) % memory_size;
 526         if (valid_samples > ramsize_trigger + triggerbar) {
 527                 discard += valid_samples - (ramsize_trigger + triggerbar);
 528                 now_address += valid_samples - (ramsize_trigger + triggerbar);
 529         }
 530
 531         sr_info("Need to discard %d samples.", discard);
 532
 533         /* Calculate how far in the trigger is */
 534         if (trigger_now)
 535                 trigger_offset = 0;
 536         else
 537                 trigger_offset = (trigger_address - now_address) % memory_size;
 538
 539         /* Recalculate the number of samples available */
 540         valid_samples = (stop_address - now_address) % memory_size;
 541
 542         /* Send the incoming transfer to the session bus. */
 543         samples_read = 0;
 544         for (packet_num = 0; packet_num < n / PACKET_SIZE; packet_num++) {
 545                 unsigned int len;
 546                 unsigned int buf_offset;
 547
 548                 res = analyzer_read_data(usb->devhdl, buf, PACKET_SIZE);
 549                 sr_info("Tried to read %d bytes, actually read %d bytes.",
 550                         PACKET_SIZE, res);
 551
 552                 if (discard >= PACKET_SIZE / 4) {
 553                         discard -= PACKET_SIZE / 4;
 554                         continue;
 555                 }
 556
 557                 len = PACKET_SIZE - discard * 4;
 558                 buf_offset = discard * 4;
 559                 discard = 0;
 560
 561                 /* Check if we've read all the samples */
 562                 if (samples_read + len / 4 >= valid_samples)
 563                         len = (valid_samples - samples_read) * 4;
 564                 if (!len)
 565                         break;
 566
 567                 if (samples_read < trigger_offset &&
 568                     samples_read + len / 4 > trigger_offset) {
 569                         /* Send out samples remaining before trigger */
 570                         packet.type = SR_DF_LOGIC;
 571                         packet.payload = &logic;
 572                         logic.length = (trigger_offset - samples_read) * 4;
 573                         logic.unitsize = 4;
 574                         logic.data = buf + buf_offset;
 575                         sr_session_send(sdi, &packet);
 576                         len -= logic.length;
 577                         samples_read += logic.length / 4;
 578                         buf_offset += logic.length;
 579                 }
 580
 581                 if (samples_read == trigger_offset) {
 582                         /* Send out trigger */
 583                         packet.type = SR_DF_TRIGGER;
 584                         packet.payload = NULL;
 585                         sr_session_send(sdi, &packet);
 586                 }
 587
 588                 /* Send out data (or data after trigger) */
 589                 packet.type = SR_DF_LOGIC;
 590                 packet.payload = &logic;
 591                 logic.length = len;
 592                 logic.unitsize = 4;
 593                 logic.data = buf + buf_offset;
 594                 sr_session_send(sdi, &packet);
 595                 samples_read += len / 4;
 596         }
 597         analyzer_read_stop(usb->devhdl);
 598         g_free(buf);
 599
 600         std_session_send_df_end(sdi);
 601
 602         return SR_OK;
 603 }
 604
 605 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
 606 {
 607         struct sr_usb_dev_inst *usb;
 608
 609         std_session_send_df_end(sdi);
 610
 611         usb = sdi->conn;
 612         analyzer_reset(usb->devhdl);
 613         /* TODO: Need to cancel and free any queued up transfers. */
 614
 615         return SR_OK;
 616 }
 617
 618 static struct sr_dev_driver zeroplus_logic_cube_driver_info = {
 619         .name = "zeroplus-logic-cube",
 620         .longname = "ZEROPLUS Logic Cube LAP-C series",
 621         .api_version = 1,
 622         .init = std_init,
 623         .cleanup = std_cleanup,
 624         .scan = scan,
 625         .dev_list = std_dev_list,
 626         .dev_clear = std_dev_clear,
 627         .config_get = config_get,
 628         .config_set = config_set,
 629         .config_list = config_list,
 630         .dev_open = dev_open,
 631         .dev_close = dev_close,
 632         .dev_acquisition_start = dev_acquisition_start,
 633         .dev_acquisition_stop = dev_acquisition_stop,
 634         .context = NULL,
 635 };
 636 SR_REGISTER_DEV_DRIVER(zeroplus_logic_cube_driver_info);