vmk80xx.c revision 85a2f34f4ecd48ce27f8ecc2d58ab66c05d55a9a
1/* 2 comedi/drivers/vmk80xx.c 3 Velleman USB Board Low-Level Driver 4 5 Copyright (C) 2009 Manuel Gebele <forensixs@gmx.de>, Germany 6 7 COMEDI - Linux Control and Measurement Device Interface 8 Copyright (C) 2000 David A. Schleef <ds@schleef.org> 9 10 This program is free software; you can redistribute it and/or modify 11 it under the terms of the GNU General Public License as published by 12 the Free Software Foundation; either version 2 of the License, or 13 (at your option) any later version. 14 15 This program is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with this program; if not, write to the Free Software 22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 23 24*/ 25/* 26Driver: vmk80xx 27Description: Velleman USB Board Low-Level Driver 28Devices: K8055/K8061 aka VM110/VM140 29Author: Manuel Gebele <forensixs@gmx.de> 30Updated: Sun, 10 May 2009 11:14:59 +0200 31Status: works 32 33Supports: 34 - analog input 35 - analog output 36 - digital input 37 - digital output 38 - counter 39 - pwm 40*/ 41/* 42Changelog: 43 440.8.81 -3- code completely rewritten (adjust driver logic) 450.8.81 -2- full support for K8061 460.8.81 -1- fix some mistaken among others the number of 47 supported boards and I/O handling 48 490.7.76 -4- renamed to vmk80xx 500.7.76 -3- detect K8061 (only theoretically supported) 510.7.76 -2- code completely rewritten (adjust driver logic) 520.7.76 -1- support for digital and counter subdevice 53*/ 54 55#include <linux/kernel.h> 56#include <linux/module.h> 57#include <linux/mutex.h> 58#include <linux/errno.h> 59#include <linux/input.h> 60#include <linux/slab.h> 61#include <linux/poll.h> 62#include <linux/usb.h> 63#include <linux/uaccess.h> 64 65#include "../comedidev.h" 66 67MODULE_AUTHOR("Manuel Gebele <forensixs@gmx.de>"); 68MODULE_DESCRIPTION("Velleman USB Board Low-Level Driver"); 69MODULE_SUPPORTED_DEVICE("K8055/K8061 aka VM110/VM140"); 70MODULE_VERSION("0.8.01"); 71MODULE_LICENSE("GPL"); 72 73enum { 74 DEVICE_VMK8055, 75 DEVICE_VMK8061 76}; 77 78static const struct usb_device_id vmk80xx_id_table[] = { 79 {USB_DEVICE(0x10cf, 0x5500), .driver_info = DEVICE_VMK8055}, 80 {USB_DEVICE(0x10cf, 0x5501), .driver_info = DEVICE_VMK8055}, 81 {USB_DEVICE(0x10cf, 0x5502), .driver_info = DEVICE_VMK8055}, 82 {USB_DEVICE(0x10cf, 0x5503), .driver_info = DEVICE_VMK8055}, 83 {USB_DEVICE(0x10cf, 0x8061), .driver_info = DEVICE_VMK8061}, 84 {USB_DEVICE(0x10cf, 0x8062), .driver_info = DEVICE_VMK8061}, 85 {USB_DEVICE(0x10cf, 0x8063), .driver_info = DEVICE_VMK8061}, 86 {USB_DEVICE(0x10cf, 0x8064), .driver_info = DEVICE_VMK8061}, 87 {USB_DEVICE(0x10cf, 0x8065), .driver_info = DEVICE_VMK8061}, 88 {USB_DEVICE(0x10cf, 0x8066), .driver_info = DEVICE_VMK8061}, 89 {USB_DEVICE(0x10cf, 0x8067), .driver_info = DEVICE_VMK8061}, 90 {USB_DEVICE(0x10cf, 0x8068), .driver_info = DEVICE_VMK8061}, 91 {} /* terminating entry */ 92}; 93 94MODULE_DEVICE_TABLE(usb, vmk80xx_id_table); 95 96#define VMK8055_DI_REG 0x00 97#define VMK8055_DO_REG 0x01 98#define VMK8055_AO1_REG 0x02 99#define VMK8055_AO2_REG 0x03 100#define VMK8055_AI1_REG 0x02 101#define VMK8055_AI2_REG 0x03 102#define VMK8055_CNT1_REG 0x04 103#define VMK8055_CNT2_REG 0x06 104 105#define VMK8061_CH_REG 0x01 106#define VMK8061_DI_REG 0x01 107#define VMK8061_DO_REG 0x01 108#define VMK8061_PWM_REG1 0x01 109#define VMK8061_PWM_REG2 0x02 110#define VMK8061_CNT_REG 0x02 111#define VMK8061_AO_REG 0x02 112#define VMK8061_AI_REG1 0x02 113#define VMK8061_AI_REG2 0x03 114 115#define VMK8055_CMD_RST 0x00 116#define VMK8055_CMD_DEB1_TIME 0x01 117#define VMK8055_CMD_DEB2_TIME 0x02 118#define VMK8055_CMD_RST_CNT1 0x03 119#define VMK8055_CMD_RST_CNT2 0x04 120#define VMK8055_CMD_WRT_AD 0x05 121 122#define VMK8061_CMD_RD_AI 0x00 123#define VMK8061_CMR_RD_ALL_AI 0x01 /* !non-active! */ 124#define VMK8061_CMD_SET_AO 0x02 125#define VMK8061_CMD_SET_ALL_AO 0x03 /* !non-active! */ 126#define VMK8061_CMD_OUT_PWM 0x04 127#define VMK8061_CMD_RD_DI 0x05 128#define VMK8061_CMD_DO 0x06 /* !non-active! */ 129#define VMK8061_CMD_CLR_DO 0x07 130#define VMK8061_CMD_SET_DO 0x08 131#define VMK8061_CMD_RD_CNT 0x09 /* TODO: completely pointless? */ 132#define VMK8061_CMD_RST_CNT 0x0a /* TODO: completely pointless? */ 133#define VMK8061_CMD_RD_VERSION 0x0b /* internal usage */ 134#define VMK8061_CMD_RD_JMP_STAT 0x0c /* TODO: not implemented yet */ 135#define VMK8061_CMD_RD_PWR_STAT 0x0d /* internal usage */ 136#define VMK8061_CMD_RD_DO 0x0e 137#define VMK8061_CMD_RD_AO 0x0f 138#define VMK8061_CMD_RD_PWM 0x10 139 140#define VMK80XX_MAX_BOARDS COMEDI_NUM_BOARD_MINORS 141 142#define TRANS_OUT_BUSY 1 143#define TRANS_IN_BUSY 2 144#define TRANS_IN_RUNNING 3 145 146#define IC3_VERSION (1 << 0) 147#define IC6_VERSION (1 << 1) 148 149#define URB_RCV_FLAG (1 << 0) 150#define URB_SND_FLAG (1 << 1) 151 152#define CONFIG_VMK80XX_DEBUG 153#undef CONFIG_VMK80XX_DEBUG 154 155#ifdef CONFIG_VMK80XX_DEBUG 156static int dbgvm = 1; 157#else 158static int dbgvm; 159#endif 160 161#ifdef CONFIG_COMEDI_DEBUG 162static int dbgcm = 1; 163#else 164static int dbgcm; 165#endif 166 167#define dbgvm(fmt, arg...) \ 168do { \ 169 if (dbgvm) \ 170 printk(KERN_DEBUG fmt, ##arg); \ 171} while (0) 172 173#define dbgcm(fmt, arg...) \ 174do { \ 175 if (dbgcm) \ 176 printk(KERN_DEBUG fmt, ##arg); \ 177} while (0) 178 179enum vmk80xx_model { 180 VMK8055_MODEL, 181 VMK8061_MODEL 182}; 183 184struct firmware_version { 185 unsigned char ic3_vers[32]; /* USB-Controller */ 186 unsigned char ic6_vers[32]; /* CPU */ 187}; 188 189static const struct comedi_lrange vmk8055_range = { 190 1, {UNI_RANGE(5)} 191}; 192 193static const struct comedi_lrange vmk8061_range = { 194 2, {UNI_RANGE(5), UNI_RANGE(10)} 195}; 196 197struct vmk80xx_board { 198 const char *name; 199 enum vmk80xx_model model; 200 const struct comedi_lrange *range; 201 __u8 ai_chans; 202 __le16 ai_bits; 203 __u8 ao_chans; 204 __le16 ao_bits; 205 __u8 di_chans; 206 __le16 di_bits; 207 __u8 do_chans; 208 __le16 do_bits; 209 __u8 cnt_chans; 210 __le16 cnt_bits; 211 __u8 pwm_chans; 212 __le16 pwm_bits; 213}; 214 215enum { 216 VMK80XX_SUBD_AI, 217 VMK80XX_SUBD_AO, 218 VMK80XX_SUBD_DI, 219 VMK80XX_SUBD_DO, 220 VMK80XX_SUBD_CNT, 221 VMK80XX_SUBD_PWM, 222}; 223 224struct vmk80xx_usb { 225 struct usb_device *udev; 226 struct usb_interface *intf; 227 struct usb_endpoint_descriptor *ep_rx; 228 struct usb_endpoint_descriptor *ep_tx; 229 struct usb_anchor rx_anchor; 230 struct usb_anchor tx_anchor; 231 struct vmk80xx_board board; 232 struct firmware_version fw; 233 struct semaphore limit_sem; 234 wait_queue_head_t read_wait; 235 wait_queue_head_t write_wait; 236 unsigned char *usb_rx_buf; 237 unsigned char *usb_tx_buf; 238 unsigned long flags; 239 int probed; 240 int attached; 241 int count; 242}; 243 244static struct vmk80xx_usb vmb[VMK80XX_MAX_BOARDS]; 245 246static DEFINE_MUTEX(glb_mutex); 247 248static void vmk80xx_tx_callback(struct urb *urb) 249{ 250 struct vmk80xx_usb *dev = urb->context; 251 int stat = urb->status; 252 253 dbgvm("vmk80xx: %s\n", __func__); 254 255 if (stat && !(stat == -ENOENT 256 || stat == -ECONNRESET || stat == -ESHUTDOWN)) 257 dbgcm("comedi#: vmk80xx: %s - nonzero urb status (%d)\n", 258 __func__, stat); 259 260 if (!test_bit(TRANS_OUT_BUSY, &dev->flags)) 261 return; 262 263 clear_bit(TRANS_OUT_BUSY, &dev->flags); 264 265 wake_up_interruptible(&dev->write_wait); 266} 267 268static void vmk80xx_rx_callback(struct urb *urb) 269{ 270 struct vmk80xx_usb *dev = urb->context; 271 int stat = urb->status; 272 273 dbgvm("vmk80xx: %s\n", __func__); 274 275 switch (stat) { 276 case 0: 277 break; 278 case -ENOENT: 279 case -ECONNRESET: 280 case -ESHUTDOWN: 281 break; 282 default: 283 dbgcm("comedi#: vmk80xx: %s - nonzero urb status (%d)\n", 284 __func__, stat); 285 goto resubmit; 286 } 287 288 goto exit; 289resubmit: 290 if (test_bit(TRANS_IN_RUNNING, &dev->flags) && dev->intf) { 291 usb_anchor_urb(urb, &dev->rx_anchor); 292 293 if (!usb_submit_urb(urb, GFP_KERNEL)) 294 goto exit; 295 296 err("comedi#: vmk80xx: %s - submit urb failed\n", __func__); 297 298 usb_unanchor_urb(urb); 299 } 300exit: 301 clear_bit(TRANS_IN_BUSY, &dev->flags); 302 303 wake_up_interruptible(&dev->read_wait); 304} 305 306static int vmk80xx_check_data_link(struct vmk80xx_usb *dev) 307{ 308 unsigned int tx_pipe; 309 unsigned int rx_pipe; 310 unsigned char tx[1]; 311 unsigned char rx[2]; 312 313 dbgvm("vmk80xx: %s\n", __func__); 314 315 tx_pipe = usb_sndbulkpipe(dev->udev, 0x01); 316 rx_pipe = usb_rcvbulkpipe(dev->udev, 0x81); 317 318 tx[0] = VMK8061_CMD_RD_PWR_STAT; 319 320 /* 321 * Check that IC6 (PIC16F871) is powered and 322 * running and the data link between IC3 and 323 * IC6 is working properly 324 */ 325 usb_bulk_msg(dev->udev, tx_pipe, tx, 1, NULL, dev->ep_tx->bInterval); 326 usb_bulk_msg(dev->udev, rx_pipe, rx, 2, NULL, HZ * 10); 327 328 return (int)rx[1]; 329} 330 331static void vmk80xx_read_eeprom(struct vmk80xx_usb *dev, int flag) 332{ 333 unsigned int tx_pipe; 334 unsigned int rx_pipe; 335 unsigned char tx[1]; 336 unsigned char rx[64]; 337 int cnt; 338 339 dbgvm("vmk80xx: %s\n", __func__); 340 341 tx_pipe = usb_sndbulkpipe(dev->udev, 0x01); 342 rx_pipe = usb_rcvbulkpipe(dev->udev, 0x81); 343 344 tx[0] = VMK8061_CMD_RD_VERSION; 345 346 /* 347 * Read the firmware version info of IC3 and 348 * IC6 from the internal EEPROM of the IC 349 */ 350 usb_bulk_msg(dev->udev, tx_pipe, tx, 1, NULL, dev->ep_tx->bInterval); 351 usb_bulk_msg(dev->udev, rx_pipe, rx, 64, &cnt, HZ * 10); 352 353 rx[cnt] = '\0'; 354 355 if (flag & IC3_VERSION) 356 strncpy(dev->fw.ic3_vers, rx + 1, 24); 357 else /* IC6_VERSION */ 358 strncpy(dev->fw.ic6_vers, rx + 25, 24); 359} 360 361static int vmk80xx_reset_device(struct vmk80xx_usb *dev) 362{ 363 struct urb *urb; 364 unsigned int tx_pipe; 365 int ival; 366 size_t size; 367 368 dbgvm("vmk80xx: %s\n", __func__); 369 370 urb = usb_alloc_urb(0, GFP_KERNEL); 371 if (!urb) 372 return -ENOMEM; 373 374 tx_pipe = usb_sndintpipe(dev->udev, 0x01); 375 376 ival = dev->ep_tx->bInterval; 377 size = le16_to_cpu(dev->ep_tx->wMaxPacketSize); 378 379 dev->usb_tx_buf[0] = VMK8055_CMD_RST; 380 dev->usb_tx_buf[1] = 0x00; 381 dev->usb_tx_buf[2] = 0x00; 382 dev->usb_tx_buf[3] = 0x00; 383 dev->usb_tx_buf[4] = 0x00; 384 dev->usb_tx_buf[5] = 0x00; 385 dev->usb_tx_buf[6] = 0x00; 386 dev->usb_tx_buf[7] = 0x00; 387 388 usb_fill_int_urb(urb, dev->udev, tx_pipe, dev->usb_tx_buf, 389 size, vmk80xx_tx_callback, dev, ival); 390 391 usb_anchor_urb(urb, &dev->tx_anchor); 392 393 return usb_submit_urb(urb, GFP_KERNEL); 394} 395 396static void vmk80xx_build_int_urb(struct urb *urb, int flag) 397{ 398 struct vmk80xx_usb *dev = urb->context; 399 __u8 rx_addr; 400 __u8 tx_addr; 401 unsigned int pipe; 402 unsigned char *buf; 403 size_t size; 404 void (*callback) (struct urb *); 405 int ival; 406 407 dbgvm("vmk80xx: %s\n", __func__); 408 409 if (flag & URB_RCV_FLAG) { 410 rx_addr = dev->ep_rx->bEndpointAddress; 411 pipe = usb_rcvintpipe(dev->udev, rx_addr); 412 buf = dev->usb_rx_buf; 413 size = le16_to_cpu(dev->ep_rx->wMaxPacketSize); 414 callback = vmk80xx_rx_callback; 415 ival = dev->ep_rx->bInterval; 416 } else { /* URB_SND_FLAG */ 417 tx_addr = dev->ep_tx->bEndpointAddress; 418 pipe = usb_sndintpipe(dev->udev, tx_addr); 419 buf = dev->usb_tx_buf; 420 size = le16_to_cpu(dev->ep_tx->wMaxPacketSize); 421 callback = vmk80xx_tx_callback; 422 ival = dev->ep_tx->bInterval; 423 } 424 425 usb_fill_int_urb(urb, dev->udev, pipe, buf, size, callback, dev, ival); 426} 427 428static void vmk80xx_do_bulk_msg(struct vmk80xx_usb *dev) 429{ 430 __u8 tx_addr; 431 __u8 rx_addr; 432 unsigned int tx_pipe; 433 unsigned int rx_pipe; 434 size_t size; 435 436 dbgvm("vmk80xx: %s\n", __func__); 437 438 set_bit(TRANS_IN_BUSY, &dev->flags); 439 set_bit(TRANS_OUT_BUSY, &dev->flags); 440 441 tx_addr = dev->ep_tx->bEndpointAddress; 442 rx_addr = dev->ep_rx->bEndpointAddress; 443 tx_pipe = usb_sndbulkpipe(dev->udev, tx_addr); 444 rx_pipe = usb_rcvbulkpipe(dev->udev, rx_addr); 445 446 /* 447 * The max packet size attributes of the K8061 448 * input/output endpoints are identical 449 */ 450 size = le16_to_cpu(dev->ep_tx->wMaxPacketSize); 451 452 usb_bulk_msg(dev->udev, tx_pipe, dev->usb_tx_buf, 453 size, NULL, dev->ep_tx->bInterval); 454 usb_bulk_msg(dev->udev, rx_pipe, dev->usb_rx_buf, size, NULL, HZ * 10); 455 456 clear_bit(TRANS_OUT_BUSY, &dev->flags); 457 clear_bit(TRANS_IN_BUSY, &dev->flags); 458} 459 460static int vmk80xx_read_packet(struct vmk80xx_usb *dev) 461{ 462 struct urb *urb; 463 int retval; 464 465 dbgvm("vmk80xx: %s\n", __func__); 466 467 if (!dev->intf) 468 return -ENODEV; 469 470 /* Only useful for interrupt transfers */ 471 if (test_bit(TRANS_IN_BUSY, &dev->flags)) 472 if (wait_event_interruptible(dev->read_wait, 473 !test_bit(TRANS_IN_BUSY, 474 &dev->flags))) 475 return -ERESTART; 476 477 if (dev->board.model == VMK8061_MODEL) { 478 vmk80xx_do_bulk_msg(dev); 479 480 return 0; 481 } 482 483 urb = usb_alloc_urb(0, GFP_KERNEL); 484 if (!urb) 485 return -ENOMEM; 486 487 urb->context = dev; 488 vmk80xx_build_int_urb(urb, URB_RCV_FLAG); 489 490 set_bit(TRANS_IN_RUNNING, &dev->flags); 491 set_bit(TRANS_IN_BUSY, &dev->flags); 492 493 usb_anchor_urb(urb, &dev->rx_anchor); 494 495 retval = usb_submit_urb(urb, GFP_KERNEL); 496 if (!retval) 497 goto exit; 498 499 clear_bit(TRANS_IN_RUNNING, &dev->flags); 500 usb_unanchor_urb(urb); 501 502exit: 503 usb_free_urb(urb); 504 505 return retval; 506} 507 508static int vmk80xx_write_packet(struct vmk80xx_usb *dev, int cmd) 509{ 510 struct urb *urb; 511 int retval; 512 513 dbgvm("vmk80xx: %s\n", __func__); 514 515 if (!dev->intf) 516 return -ENODEV; 517 518 if (test_bit(TRANS_OUT_BUSY, &dev->flags)) 519 if (wait_event_interruptible(dev->write_wait, 520 !test_bit(TRANS_OUT_BUSY, 521 &dev->flags))) 522 return -ERESTART; 523 524 if (dev->board.model == VMK8061_MODEL) { 525 dev->usb_tx_buf[0] = cmd; 526 vmk80xx_do_bulk_msg(dev); 527 528 return 0; 529 } 530 531 urb = usb_alloc_urb(0, GFP_KERNEL); 532 if (!urb) 533 return -ENOMEM; 534 535 urb->context = dev; 536 vmk80xx_build_int_urb(urb, URB_SND_FLAG); 537 538 set_bit(TRANS_OUT_BUSY, &dev->flags); 539 540 usb_anchor_urb(urb, &dev->tx_anchor); 541 542 dev->usb_tx_buf[0] = cmd; 543 544 retval = usb_submit_urb(urb, GFP_KERNEL); 545 if (!retval) 546 goto exit; 547 548 clear_bit(TRANS_OUT_BUSY, &dev->flags); 549 usb_unanchor_urb(urb); 550 551exit: 552 usb_free_urb(urb); 553 554 return retval; 555} 556 557#define DIR_IN 1 558#define DIR_OUT 2 559 560static int rudimentary_check(struct vmk80xx_usb *dev, int dir) 561{ 562 if (!dev) 563 return -EFAULT; 564 if (!dev->probed) 565 return -ENODEV; 566 if (!dev->attached) 567 return -ENODEV; 568 if (dir & DIR_IN) { 569 if (test_bit(TRANS_IN_BUSY, &dev->flags)) 570 return -EBUSY; 571 } else { /* DIR_OUT */ 572 if (test_bit(TRANS_OUT_BUSY, &dev->flags)) 573 return -EBUSY; 574 } 575 576 return 0; 577} 578 579static int vmk80xx_ai_rinsn(struct comedi_device *cdev, 580 struct comedi_subdevice *s, 581 struct comedi_insn *insn, unsigned int *data) 582{ 583 struct vmk80xx_usb *dev = cdev->private; 584 int chan; 585 int reg[2]; 586 int n; 587 588 dbgvm("vmk80xx: %s\n", __func__); 589 590 n = rudimentary_check(dev, DIR_IN); 591 if (n) 592 return n; 593 594 down(&dev->limit_sem); 595 chan = CR_CHAN(insn->chanspec); 596 597 switch (dev->board.model) { 598 case VMK8055_MODEL: 599 if (!chan) 600 reg[0] = VMK8055_AI1_REG; 601 else 602 reg[0] = VMK8055_AI2_REG; 603 break; 604 case VMK8061_MODEL: 605 reg[0] = VMK8061_AI_REG1; 606 reg[1] = VMK8061_AI_REG2; 607 dev->usb_tx_buf[0] = VMK8061_CMD_RD_AI; 608 dev->usb_tx_buf[VMK8061_CH_REG] = chan; 609 break; 610 } 611 612 for (n = 0; n < insn->n; n++) { 613 if (vmk80xx_read_packet(dev)) 614 break; 615 616 if (dev->board.model == VMK8055_MODEL) { 617 data[n] = dev->usb_rx_buf[reg[0]]; 618 continue; 619 } 620 621 /* VMK8061_MODEL */ 622 data[n] = dev->usb_rx_buf[reg[0]] + 256 * 623 dev->usb_rx_buf[reg[1]]; 624 } 625 626 up(&dev->limit_sem); 627 628 return n; 629} 630 631static int vmk80xx_ao_winsn(struct comedi_device *cdev, 632 struct comedi_subdevice *s, 633 struct comedi_insn *insn, unsigned int *data) 634{ 635 struct vmk80xx_usb *dev = cdev->private; 636 int chan; 637 int cmd; 638 int reg; 639 int n; 640 641 dbgvm("vmk80xx: %s\n", __func__); 642 643 n = rudimentary_check(dev, DIR_OUT); 644 if (n) 645 return n; 646 647 down(&dev->limit_sem); 648 chan = CR_CHAN(insn->chanspec); 649 650 switch (dev->board.model) { 651 case VMK8055_MODEL: 652 cmd = VMK8055_CMD_WRT_AD; 653 if (!chan) 654 reg = VMK8055_AO1_REG; 655 else 656 reg = VMK8055_AO2_REG; 657 break; 658 default: /* NOTE: avoid compiler warnings */ 659 cmd = VMK8061_CMD_SET_AO; 660 reg = VMK8061_AO_REG; 661 dev->usb_tx_buf[VMK8061_CH_REG] = chan; 662 break; 663 } 664 665 for (n = 0; n < insn->n; n++) { 666 dev->usb_tx_buf[reg] = data[n]; 667 668 if (vmk80xx_write_packet(dev, cmd)) 669 break; 670 } 671 672 up(&dev->limit_sem); 673 674 return n; 675} 676 677static int vmk80xx_ao_rinsn(struct comedi_device *cdev, 678 struct comedi_subdevice *s, 679 struct comedi_insn *insn, unsigned int *data) 680{ 681 struct vmk80xx_usb *dev = cdev->private; 682 int chan; 683 int reg; 684 int n; 685 686 dbgvm("vmk80xx: %s\n", __func__); 687 688 n = rudimentary_check(dev, DIR_IN); 689 if (n) 690 return n; 691 692 down(&dev->limit_sem); 693 chan = CR_CHAN(insn->chanspec); 694 695 reg = VMK8061_AO_REG - 1; 696 697 dev->usb_tx_buf[0] = VMK8061_CMD_RD_AO; 698 699 for (n = 0; n < insn->n; n++) { 700 if (vmk80xx_read_packet(dev)) 701 break; 702 703 data[n] = dev->usb_rx_buf[reg + chan]; 704 } 705 706 up(&dev->limit_sem); 707 708 return n; 709} 710 711static int vmk80xx_di_rinsn(struct comedi_device *cdev, 712 struct comedi_subdevice *s, 713 struct comedi_insn *insn, unsigned int *data) 714{ 715 struct vmk80xx_usb *dev = cdev->private; 716 int chan; 717 unsigned char *rx_buf; 718 int reg; 719 int inp; 720 int n; 721 722 dbgvm("vmk80xx: %s\n", __func__); 723 724 n = rudimentary_check(dev, DIR_IN); 725 if (n) 726 return n; 727 728 down(&dev->limit_sem); 729 chan = CR_CHAN(insn->chanspec); 730 731 rx_buf = dev->usb_rx_buf; 732 733 if (dev->board.model == VMK8061_MODEL) { 734 reg = VMK8061_DI_REG; 735 dev->usb_tx_buf[0] = VMK8061_CMD_RD_DI; 736 } else { 737 reg = VMK8055_DI_REG; 738 } 739 for (n = 0; n < insn->n; n++) { 740 if (vmk80xx_read_packet(dev)) 741 break; 742 743 if (dev->board.model == VMK8055_MODEL) 744 inp = (((rx_buf[reg] >> 4) & 0x03) | 745 ((rx_buf[reg] << 2) & 0x04) | 746 ((rx_buf[reg] >> 3) & 0x18)); 747 else 748 inp = rx_buf[reg]; 749 750 data[n] = ((inp & (1 << chan)) > 0); 751 } 752 753 up(&dev->limit_sem); 754 755 return n; 756} 757 758static int vmk80xx_do_winsn(struct comedi_device *cdev, 759 struct comedi_subdevice *s, 760 struct comedi_insn *insn, unsigned int *data) 761{ 762 struct vmk80xx_usb *dev = cdev->private; 763 int chan; 764 unsigned char *tx_buf; 765 int reg; 766 int cmd; 767 int n; 768 769 dbgvm("vmk80xx: %s\n", __func__); 770 771 n = rudimentary_check(dev, DIR_OUT); 772 if (n) 773 return n; 774 775 down(&dev->limit_sem); 776 chan = CR_CHAN(insn->chanspec); 777 778 tx_buf = dev->usb_tx_buf; 779 780 for (n = 0; n < insn->n; n++) { 781 if (dev->board.model == VMK8055_MODEL) { 782 reg = VMK8055_DO_REG; 783 cmd = VMK8055_CMD_WRT_AD; 784 if (data[n] == 1) 785 tx_buf[reg] |= (1 << chan); 786 else 787 tx_buf[reg] ^= (1 << chan); 788 } else { /* VMK8061_MODEL */ 789 reg = VMK8061_DO_REG; 790 if (data[n] == 1) { 791 cmd = VMK8061_CMD_SET_DO; 792 tx_buf[reg] = 1 << chan; 793 } else { 794 cmd = VMK8061_CMD_CLR_DO; 795 tx_buf[reg] = 0xff - (1 << chan); 796 } 797 } 798 799 if (vmk80xx_write_packet(dev, cmd)) 800 break; 801 } 802 803 up(&dev->limit_sem); 804 805 return n; 806} 807 808static int vmk80xx_do_rinsn(struct comedi_device *cdev, 809 struct comedi_subdevice *s, 810 struct comedi_insn *insn, unsigned int *data) 811{ 812 struct vmk80xx_usb *dev = cdev->private; 813 int chan; 814 int reg; 815 int mask; 816 int n; 817 818 dbgvm("vmk80xx: %s\n", __func__); 819 820 n = rudimentary_check(dev, DIR_IN); 821 if (n) 822 return n; 823 824 down(&dev->limit_sem); 825 chan = CR_CHAN(insn->chanspec); 826 827 reg = VMK8061_DO_REG; 828 mask = 1 << chan; 829 830 dev->usb_tx_buf[0] = VMK8061_CMD_RD_DO; 831 832 for (n = 0; n < insn->n; n++) { 833 if (vmk80xx_read_packet(dev)) 834 break; 835 836 data[n] = (dev->usb_rx_buf[reg] & mask) >> chan; 837 } 838 839 up(&dev->limit_sem); 840 841 return n; 842} 843 844static int vmk80xx_cnt_rinsn(struct comedi_device *cdev, 845 struct comedi_subdevice *s, 846 struct comedi_insn *insn, unsigned int *data) 847{ 848 struct vmk80xx_usb *dev = cdev->private; 849 int chan; 850 int reg[2]; 851 int n; 852 853 dbgvm("vmk80xx: %s\n", __func__); 854 855 n = rudimentary_check(dev, DIR_IN); 856 if (n) 857 return n; 858 859 down(&dev->limit_sem); 860 chan = CR_CHAN(insn->chanspec); 861 862 switch (dev->board.model) { 863 case VMK8055_MODEL: 864 if (!chan) 865 reg[0] = VMK8055_CNT1_REG; 866 else 867 reg[0] = VMK8055_CNT2_REG; 868 break; 869 case VMK8061_MODEL: 870 reg[0] = VMK8061_CNT_REG; 871 reg[1] = VMK8061_CNT_REG; 872 dev->usb_tx_buf[0] = VMK8061_CMD_RD_CNT; 873 break; 874 } 875 876 for (n = 0; n < insn->n; n++) { 877 if (vmk80xx_read_packet(dev)) 878 break; 879 880 if (dev->board.model == VMK8055_MODEL) 881 data[n] = dev->usb_rx_buf[reg[0]]; 882 else /* VMK8061_MODEL */ 883 data[n] = dev->usb_rx_buf[reg[0] * (chan + 1) + 1] 884 + 256 * dev->usb_rx_buf[reg[1] * 2 + 2]; 885 } 886 887 up(&dev->limit_sem); 888 889 return n; 890} 891 892static int vmk80xx_cnt_cinsn(struct comedi_device *cdev, 893 struct comedi_subdevice *s, 894 struct comedi_insn *insn, unsigned int *data) 895{ 896 struct vmk80xx_usb *dev = cdev->private; 897 unsigned int insn_cmd; 898 int chan; 899 int cmd; 900 int reg; 901 int n; 902 903 dbgvm("vmk80xx: %s\n", __func__); 904 905 n = rudimentary_check(dev, DIR_OUT); 906 if (n) 907 return n; 908 909 down(&dev->limit_sem); 910 911 insn_cmd = data[0]; 912 if (insn_cmd != INSN_CONFIG_RESET && insn_cmd != GPCT_RESET) 913 return -EINVAL; 914 915 chan = CR_CHAN(insn->chanspec); 916 917 if (dev->board.model == VMK8055_MODEL) { 918 if (!chan) { 919 cmd = VMK8055_CMD_RST_CNT1; 920 reg = VMK8055_CNT1_REG; 921 } else { 922 cmd = VMK8055_CMD_RST_CNT2; 923 reg = VMK8055_CNT2_REG; 924 } 925 926 dev->usb_tx_buf[reg] = 0x00; 927 } else { 928 cmd = VMK8061_CMD_RST_CNT; 929 } 930 931 for (n = 0; n < insn->n; n++) 932 if (vmk80xx_write_packet(dev, cmd)) 933 break; 934 935 up(&dev->limit_sem); 936 937 return n; 938} 939 940static int vmk80xx_cnt_winsn(struct comedi_device *cdev, 941 struct comedi_subdevice *s, 942 struct comedi_insn *insn, unsigned int *data) 943{ 944 struct vmk80xx_usb *dev = cdev->private; 945 unsigned long debtime; 946 unsigned long val; 947 int chan; 948 int cmd; 949 int n; 950 951 dbgvm("vmk80xx: %s\n", __func__); 952 953 n = rudimentary_check(dev, DIR_OUT); 954 if (n) 955 return n; 956 957 down(&dev->limit_sem); 958 chan = CR_CHAN(insn->chanspec); 959 960 if (!chan) 961 cmd = VMK8055_CMD_DEB1_TIME; 962 else 963 cmd = VMK8055_CMD_DEB2_TIME; 964 965 for (n = 0; n < insn->n; n++) { 966 debtime = data[n]; 967 if (debtime == 0) 968 debtime = 1; 969 970 /* TODO: Prevent overflows */ 971 if (debtime > 7450) 972 debtime = 7450; 973 974 val = int_sqrt(debtime * 1000 / 115); 975 if (((val + 1) * val) < debtime * 1000 / 115) 976 val += 1; 977 978 dev->usb_tx_buf[6 + chan] = val; 979 980 if (vmk80xx_write_packet(dev, cmd)) 981 break; 982 } 983 984 up(&dev->limit_sem); 985 986 return n; 987} 988 989static int vmk80xx_pwm_rinsn(struct comedi_device *cdev, 990 struct comedi_subdevice *s, 991 struct comedi_insn *insn, unsigned int *data) 992{ 993 struct vmk80xx_usb *dev = cdev->private; 994 int reg[2]; 995 int n; 996 997 dbgvm("vmk80xx: %s\n", __func__); 998 999 n = rudimentary_check(dev, DIR_IN); 1000 if (n) 1001 return n; 1002 1003 down(&dev->limit_sem); 1004 1005 reg[0] = VMK8061_PWM_REG1; 1006 reg[1] = VMK8061_PWM_REG2; 1007 1008 dev->usb_tx_buf[0] = VMK8061_CMD_RD_PWM; 1009 1010 for (n = 0; n < insn->n; n++) { 1011 if (vmk80xx_read_packet(dev)) 1012 break; 1013 1014 data[n] = dev->usb_rx_buf[reg[0]] + 4 * dev->usb_rx_buf[reg[1]]; 1015 } 1016 1017 up(&dev->limit_sem); 1018 1019 return n; 1020} 1021 1022static int vmk80xx_pwm_winsn(struct comedi_device *cdev, 1023 struct comedi_subdevice *s, 1024 struct comedi_insn *insn, unsigned int *data) 1025{ 1026 struct vmk80xx_usb *dev = cdev->private; 1027 unsigned char *tx_buf; 1028 int reg[2]; 1029 int cmd; 1030 int n; 1031 1032 dbgvm("vmk80xx: %s\n", __func__); 1033 1034 n = rudimentary_check(dev, DIR_OUT); 1035 if (n) 1036 return n; 1037 1038 down(&dev->limit_sem); 1039 1040 tx_buf = dev->usb_tx_buf; 1041 1042 reg[0] = VMK8061_PWM_REG1; 1043 reg[1] = VMK8061_PWM_REG2; 1044 1045 cmd = VMK8061_CMD_OUT_PWM; 1046 1047 /* 1048 * The followin piece of code was translated from the inline 1049 * assembler code in the DLL source code. 1050 * 1051 * asm 1052 * mov eax, k ; k is the value (data[n]) 1053 * and al, 03h ; al are the lower 8 bits of eax 1054 * mov lo, al ; lo is the low part (tx_buf[reg[0]]) 1055 * mov eax, k 1056 * shr eax, 2 ; right shift eax register by 2 1057 * mov hi, al ; hi is the high part (tx_buf[reg[1]]) 1058 * end; 1059 */ 1060 for (n = 0; n < insn->n; n++) { 1061 tx_buf[reg[0]] = (unsigned char)(data[n] & 0x03); 1062 tx_buf[reg[1]] = (unsigned char)(data[n] >> 2) & 0xff; 1063 1064 if (vmk80xx_write_packet(dev, cmd)) 1065 break; 1066 } 1067 1068 up(&dev->limit_sem); 1069 1070 return n; 1071} 1072 1073static int vmk80xx_attach(struct comedi_device *cdev, 1074 struct comedi_devconfig *it) 1075{ 1076 int i; 1077 struct vmk80xx_usb *dev; 1078 int n_subd; 1079 struct comedi_subdevice *s; 1080 int minor; 1081 1082 dbgvm("vmk80xx: %s\n", __func__); 1083 1084 mutex_lock(&glb_mutex); 1085 1086 for (i = 0; i < VMK80XX_MAX_BOARDS; i++) 1087 if (vmb[i].probed && !vmb[i].attached) 1088 break; 1089 1090 if (i == VMK80XX_MAX_BOARDS) { 1091 mutex_unlock(&glb_mutex); 1092 return -ENODEV; 1093 } 1094 1095 dev = &vmb[i]; 1096 1097 down(&dev->limit_sem); 1098 1099 cdev->board_name = dev->board.name; 1100 cdev->private = dev; 1101 1102 if (dev->board.model == VMK8055_MODEL) 1103 n_subd = 5; 1104 else 1105 n_subd = 6; 1106 1107 if (alloc_subdevices(cdev, n_subd) < 0) { 1108 up(&dev->limit_sem); 1109 mutex_unlock(&glb_mutex); 1110 return -ENOMEM; 1111 } 1112 1113 /* Analog input subdevice */ 1114 s = cdev->subdevices + VMK80XX_SUBD_AI; 1115 s->type = COMEDI_SUBD_AI; 1116 s->subdev_flags = SDF_READABLE | SDF_GROUND; 1117 s->n_chan = dev->board.ai_chans; 1118 s->maxdata = (1 << dev->board.ai_bits) - 1; 1119 s->range_table = dev->board.range; 1120 s->insn_read = vmk80xx_ai_rinsn; 1121 1122 /* Analog output subdevice */ 1123 s = cdev->subdevices + VMK80XX_SUBD_AO; 1124 s->type = COMEDI_SUBD_AO; 1125 s->subdev_flags = SDF_WRITEABLE | SDF_GROUND; 1126 s->n_chan = dev->board.ao_chans; 1127 s->maxdata = (1 << dev->board.ao_bits) - 1; 1128 s->range_table = dev->board.range; 1129 s->insn_write = vmk80xx_ao_winsn; 1130 1131 if (dev->board.model == VMK8061_MODEL) { 1132 s->subdev_flags |= SDF_READABLE; 1133 s->insn_read = vmk80xx_ao_rinsn; 1134 } 1135 1136 /* Digital input subdevice */ 1137 s = cdev->subdevices + VMK80XX_SUBD_DI; 1138 s->type = COMEDI_SUBD_DI; 1139 s->subdev_flags = SDF_READABLE | SDF_GROUND; 1140 s->n_chan = dev->board.di_chans; 1141 s->maxdata = 1; 1142 s->insn_read = vmk80xx_di_rinsn; 1143 1144 /* Digital output subdevice */ 1145 s = cdev->subdevices + VMK80XX_SUBD_DO; 1146 s->type = COMEDI_SUBD_DO; 1147 s->subdev_flags = SDF_WRITEABLE | SDF_GROUND; 1148 s->n_chan = dev->board.do_chans; 1149 s->maxdata = 1; 1150 s->insn_write = vmk80xx_do_winsn; 1151 1152 if (dev->board.model == VMK8061_MODEL) { 1153 s->subdev_flags |= SDF_READABLE; 1154 s->insn_read = vmk80xx_do_rinsn; 1155 } 1156 1157 /* Counter subdevice */ 1158 s = cdev->subdevices + VMK80XX_SUBD_CNT; 1159 s->type = COMEDI_SUBD_COUNTER; 1160 s->subdev_flags = SDF_READABLE; 1161 s->n_chan = dev->board.cnt_chans; 1162 s->insn_read = vmk80xx_cnt_rinsn; 1163 s->insn_config = vmk80xx_cnt_cinsn; 1164 1165 if (dev->board.model == VMK8055_MODEL) { 1166 s->subdev_flags |= SDF_WRITEABLE; 1167 s->maxdata = (1 << dev->board.cnt_bits) - 1; 1168 s->insn_write = vmk80xx_cnt_winsn; 1169 } 1170 1171 /* PWM subdevice */ 1172 if (dev->board.model == VMK8061_MODEL) { 1173 s = cdev->subdevices + VMK80XX_SUBD_PWM; 1174 s->type = COMEDI_SUBD_PWM; 1175 s->subdev_flags = SDF_READABLE | SDF_WRITEABLE; 1176 s->n_chan = dev->board.pwm_chans; 1177 s->maxdata = (1 << dev->board.pwm_bits) - 1; 1178 s->insn_read = vmk80xx_pwm_rinsn; 1179 s->insn_write = vmk80xx_pwm_winsn; 1180 } 1181 1182 dev->attached = 1; 1183 1184 minor = cdev->minor; 1185 1186 printk(KERN_INFO 1187 "comedi%d: vmk80xx: board #%d [%s] attached to comedi\n", 1188 minor, dev->count, dev->board.name); 1189 1190 up(&dev->limit_sem); 1191 mutex_unlock(&glb_mutex); 1192 1193 return 0; 1194} 1195 1196static int vmk80xx_detach(struct comedi_device *cdev) 1197{ 1198 struct vmk80xx_usb *dev; 1199 int minor; 1200 1201 dbgvm("vmk80xx: %s\n", __func__); 1202 1203 if (!cdev) 1204 return -EFAULT; 1205 1206 dev = cdev->private; 1207 if (!dev) 1208 return -EFAULT; 1209 1210 down(&dev->limit_sem); 1211 1212 cdev->private = NULL; 1213 dev->attached = 0; 1214 1215 minor = cdev->minor; 1216 1217 printk(KERN_INFO 1218 "comedi%d: vmk80xx: board #%d [%s] detached from comedi\n", 1219 minor, dev->count, dev->board.name); 1220 1221 up(&dev->limit_sem); 1222 1223 return 0; 1224} 1225 1226static int vmk80xx_probe(struct usb_interface *intf, 1227 const struct usb_device_id *id) 1228{ 1229 int i; 1230 struct vmk80xx_usb *dev; 1231 struct usb_host_interface *iface_desc; 1232 struct usb_endpoint_descriptor *ep_desc; 1233 size_t size; 1234 1235 dbgvm("vmk80xx: %s\n", __func__); 1236 1237 mutex_lock(&glb_mutex); 1238 1239 for (i = 0; i < VMK80XX_MAX_BOARDS; i++) 1240 if (!vmb[i].probed) 1241 break; 1242 1243 if (i == VMK80XX_MAX_BOARDS) { 1244 mutex_unlock(&glb_mutex); 1245 return -EMFILE; 1246 } 1247 1248 dev = &vmb[i]; 1249 1250 memset(dev, 0x00, sizeof(struct vmk80xx_usb)); 1251 dev->count = i; 1252 1253 iface_desc = intf->cur_altsetting; 1254 if (iface_desc->desc.bNumEndpoints != 2) 1255 goto error; 1256 1257 for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) { 1258 ep_desc = &iface_desc->endpoint[i].desc; 1259 1260 if (usb_endpoint_is_int_in(ep_desc)) { 1261 dev->ep_rx = ep_desc; 1262 continue; 1263 } 1264 1265 if (usb_endpoint_is_int_out(ep_desc)) { 1266 dev->ep_tx = ep_desc; 1267 continue; 1268 } 1269 1270 if (usb_endpoint_is_bulk_in(ep_desc)) { 1271 dev->ep_rx = ep_desc; 1272 continue; 1273 } 1274 1275 if (usb_endpoint_is_bulk_out(ep_desc)) { 1276 dev->ep_tx = ep_desc; 1277 continue; 1278 } 1279 } 1280 1281 if (!dev->ep_rx || !dev->ep_tx) 1282 goto error; 1283 1284 size = le16_to_cpu(dev->ep_rx->wMaxPacketSize); 1285 dev->usb_rx_buf = kmalloc(size, GFP_KERNEL); 1286 if (!dev->usb_rx_buf) { 1287 mutex_unlock(&glb_mutex); 1288 return -ENOMEM; 1289 } 1290 1291 size = le16_to_cpu(dev->ep_tx->wMaxPacketSize); 1292 dev->usb_tx_buf = kmalloc(size, GFP_KERNEL); 1293 if (!dev->usb_tx_buf) { 1294 kfree(dev->usb_rx_buf); 1295 mutex_unlock(&glb_mutex); 1296 return -ENOMEM; 1297 } 1298 1299 dev->udev = interface_to_usbdev(intf); 1300 dev->intf = intf; 1301 1302 sema_init(&dev->limit_sem, 8); 1303 init_waitqueue_head(&dev->read_wait); 1304 init_waitqueue_head(&dev->write_wait); 1305 1306 init_usb_anchor(&dev->rx_anchor); 1307 init_usb_anchor(&dev->tx_anchor); 1308 1309 usb_set_intfdata(intf, dev); 1310 1311 switch (id->driver_info) { 1312 case DEVICE_VMK8055: 1313 dev->board.name = "K8055 (VM110)"; 1314 dev->board.model = VMK8055_MODEL; 1315 dev->board.range = &vmk8055_range; 1316 dev->board.ai_chans = 2; 1317 dev->board.ai_bits = 8; 1318 dev->board.ao_chans = 2; 1319 dev->board.ao_bits = 8; 1320 dev->board.di_chans = 5; 1321 dev->board.di_bits = 1; 1322 dev->board.do_chans = 8; 1323 dev->board.do_bits = 1; 1324 dev->board.cnt_chans = 2; 1325 dev->board.cnt_bits = 16; 1326 dev->board.pwm_chans = 0; 1327 dev->board.pwm_bits = 0; 1328 break; 1329 case DEVICE_VMK8061: 1330 dev->board.name = "K8061 (VM140)"; 1331 dev->board.model = VMK8061_MODEL; 1332 dev->board.range = &vmk8061_range; 1333 dev->board.ai_chans = 8; 1334 dev->board.ai_bits = 10; 1335 dev->board.ao_chans = 8; 1336 dev->board.ao_bits = 8; 1337 dev->board.di_chans = 8; 1338 dev->board.di_bits = 1; 1339 dev->board.do_chans = 8; 1340 dev->board.do_bits = 1; 1341 dev->board.cnt_chans = 2; 1342 dev->board.cnt_bits = 0; 1343 dev->board.pwm_chans = 1; 1344 dev->board.pwm_bits = 10; 1345 break; 1346 } 1347 1348 if (dev->board.model == VMK8061_MODEL) { 1349 vmk80xx_read_eeprom(dev, IC3_VERSION); 1350 printk(KERN_INFO "comedi#: vmk80xx: %s\n", dev->fw.ic3_vers); 1351 1352 if (vmk80xx_check_data_link(dev)) { 1353 vmk80xx_read_eeprom(dev, IC6_VERSION); 1354 printk(KERN_INFO "comedi#: vmk80xx: %s\n", 1355 dev->fw.ic6_vers); 1356 } else { 1357 dbgcm("comedi#: vmk80xx: no conn. to CPU\n"); 1358 } 1359 } 1360 1361 if (dev->board.model == VMK8055_MODEL) 1362 vmk80xx_reset_device(dev); 1363 1364 dev->probed = 1; 1365 1366 printk(KERN_INFO "comedi#: vmk80xx: board #%d [%s] now attached\n", 1367 dev->count, dev->board.name); 1368 1369 mutex_unlock(&glb_mutex); 1370 1371 return 0; 1372error: 1373 mutex_unlock(&glb_mutex); 1374 1375 return -ENODEV; 1376} 1377 1378static void vmk80xx_disconnect(struct usb_interface *intf) 1379{ 1380 struct vmk80xx_usb *dev = usb_get_intfdata(intf); 1381 1382 dbgvm("vmk80xx: %s\n", __func__); 1383 1384 if (!dev) 1385 return; 1386 1387 mutex_lock(&glb_mutex); 1388 down(&dev->limit_sem); 1389 1390 dev->probed = 0; 1391 usb_set_intfdata(dev->intf, NULL); 1392 1393 usb_kill_anchored_urbs(&dev->rx_anchor); 1394 usb_kill_anchored_urbs(&dev->tx_anchor); 1395 1396 kfree(dev->usb_rx_buf); 1397 kfree(dev->usb_tx_buf); 1398 1399 printk(KERN_INFO "comedi#: vmk80xx: board #%d [%s] now detached\n", 1400 dev->count, dev->board.name); 1401 1402 up(&dev->limit_sem); 1403 mutex_unlock(&glb_mutex); 1404} 1405 1406/* TODO: Add support for suspend, resume, pre_reset, 1407 * post_reset and flush */ 1408static struct usb_driver vmk80xx_driver = { 1409 .name = "vmk80xx", 1410 .probe = vmk80xx_probe, 1411 .disconnect = vmk80xx_disconnect, 1412 .id_table = vmk80xx_id_table 1413}; 1414 1415static struct comedi_driver driver_vmk80xx = { 1416 .module = THIS_MODULE, 1417 .driver_name = "vmk80xx", 1418 .attach = vmk80xx_attach, 1419 .detach = vmk80xx_detach 1420}; 1421 1422static int __init vmk80xx_init(void) 1423{ 1424 printk(KERN_INFO "vmk80xx: version 0.8.01 " 1425 "Manuel Gebele <forensixs@gmx.de>\n"); 1426 usb_register(&vmk80xx_driver); 1427 return comedi_driver_register(&driver_vmk80xx); 1428} 1429 1430static void __exit vmk80xx_exit(void) 1431{ 1432 comedi_driver_unregister(&driver_vmk80xx); 1433 usb_deregister(&vmk80xx_driver); 1434} 1435 1436module_init(vmk80xx_init); 1437module_exit(vmk80xx_exit); 1438