1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III 4 * flexcop-usb.c - covers the USB part 5 * see flexcop.c for copyright information 6 */ 7#define FC_LOG_PREFIX "flexcop_usb" 8#include "flexcop-usb.h" 9#include "flexcop-common.h" 10 11/* Version information */ 12#define DRIVER_VERSION "0.1" 13#define DRIVER_NAME "Technisat/B2C2 FlexCop II/IIb/III Digital TV USB Driver" 14#define DRIVER_AUTHOR "Patrick Boettcher <patrick.boettcher@posteo.de>" 15 16/* debug */ 17#ifdef CONFIG_DVB_B2C2_FLEXCOP_DEBUG 18#define dprintk(level,args...) \ 19 do { if ((debug & level)) printk(args); } while (0) 20 21#define debug_dump(b, l, method) do {\ 22 int i; \ 23 for (i = 0; i < l; i++) \ 24 method("%02x ", b[i]); \ 25 method("\n"); \ 26} while (0) 27 28#define DEBSTATUS "" 29#else 30#define dprintk(level, args...) 31#define debug_dump(b, l, method) 32#define DEBSTATUS " (debugging is not enabled)" 33#endif 34 35static int debug; 36module_param(debug, int, 0644); 37MODULE_PARM_DESC(debug, "set debugging level (1=info,ts=2,ctrl=4,i2c=8,v8mem=16 (or-able))." DEBSTATUS); 38#undef DEBSTATUS 39 40#define deb_info(args...) dprintk(0x01, args) 41#define deb_ts(args...) dprintk(0x02, args) 42#define deb_ctrl(args...) dprintk(0x04, args) 43#define deb_i2c(args...) dprintk(0x08, args) 44#define deb_v8(args...) dprintk(0x10, args) 45 46/* JLP 111700: we will include the 1 bit gap between the upper and lower 3 bits 47 * in the IBI address, to make the V8 code simpler. 48 * PCI ADDRESS FORMAT: 0x71C -> 0000 0111 0001 1100 (the six bits used) 49 * in general: 0000 0HHH 000L LL00 50 * IBI ADDRESS FORMAT: RHHH BLLL 51 * 52 * where R is the read(1)/write(0) bit, B is the busy bit 53 * and HHH and LLL are the two sets of three bits from the PCI address. 54 */ 55#define B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(usPCI) (u8) \ 56 (((usPCI >> 2) & 0x07) + ((usPCI >> 4) & 0x70)) 57#define B2C2_FLEX_INTERNALADDR_TO_PCIOFFSET(ucAddr) (u16) \ 58 (((ucAddr & 0x07) << 2) + ((ucAddr & 0x70) << 4)) 59 60/* 61 * DKT 020228 62 * - forget about this VENDOR_BUFFER_SIZE, read and write register 63 * deal with DWORD or 4 bytes, that should be should from now on 64 * - from now on, we don't support anything older than firm 1.00 65 * I eliminated the write register as a 2 trip of writing hi word and lo word 66 * and force this to write only 4 bytes at a time. 67 * NOTE: this should work with all the firmware from 1.00 and newer 68 */ 69static int flexcop_usb_readwrite_dw(struct flexcop_device *fc, u16 wRegOffsPCI, u32 *val, u8 read) 70{ 71 struct flexcop_usb *fc_usb = fc->bus_specific; 72 u8 request = read ? B2C2_USB_READ_REG : B2C2_USB_WRITE_REG; 73 u8 request_type = (read ? USB_DIR_IN : USB_DIR_OUT) | USB_TYPE_VENDOR; 74 u8 wAddress = B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(wRegOffsPCI) | 75 (read ? 0x80 : 0); 76 int ret; 77 78 mutex_lock(&fc_usb->data_mutex); 79 if (!read) 80 memcpy(fc_usb->data, val, sizeof(*val)); 81 82 ret = usb_control_msg(fc_usb->udev, 83 read ? B2C2_USB_CTRL_PIPE_IN : B2C2_USB_CTRL_PIPE_OUT, 84 request, 85 request_type, /* 0xc0 read or 0x40 write */ 86 wAddress, 87 0, 88 fc_usb->data, 89 sizeof(u32), 90 B2C2_WAIT_FOR_OPERATION_RDW); 91 92 if (ret != sizeof(u32)) { 93 err("error while %s dword from %d (%d).", read ? "reading" : 94 "writing", wAddress, wRegOffsPCI); 95 if (ret >= 0) 96 ret = -EIO; 97 } 98 99 if (read && ret >= 0) 100 memcpy(val, fc_usb->data, sizeof(*val)); 101 mutex_unlock(&fc_usb->data_mutex); 102 103 return ret; 104} 105/* 106 * DKT 010817 - add support for V8 memory read/write and flash update 107 */ 108static int flexcop_usb_v8_memory_req(struct flexcop_usb *fc_usb, 109 flexcop_usb_request_t req, u8 page, u16 wAddress, 110 u8 *pbBuffer, u32 buflen) 111{ 112 u8 request_type = USB_TYPE_VENDOR; 113 u16 wIndex; 114 int nWaitTime, pipe, ret; 115 wIndex = page << 8; 116 117 if (buflen > sizeof(fc_usb->data)) { 118 err("Buffer size bigger than max URB control message\n"); 119 return -EIO; 120 } 121 122 switch (req) { 123 case B2C2_USB_READ_V8_MEM: 124 nWaitTime = B2C2_WAIT_FOR_OPERATION_V8READ; 125 request_type |= USB_DIR_IN; 126 pipe = B2C2_USB_CTRL_PIPE_IN; 127 break; 128 case B2C2_USB_WRITE_V8_MEM: 129 wIndex |= pbBuffer[0]; 130 request_type |= USB_DIR_OUT; 131 nWaitTime = B2C2_WAIT_FOR_OPERATION_V8WRITE; 132 pipe = B2C2_USB_CTRL_PIPE_OUT; 133 break; 134 case B2C2_USB_FLASH_BLOCK: 135 request_type |= USB_DIR_OUT; 136 nWaitTime = B2C2_WAIT_FOR_OPERATION_V8FLASH; 137 pipe = B2C2_USB_CTRL_PIPE_OUT; 138 break; 139 default: 140 deb_info("unsupported request for v8_mem_req %x.\n", req); 141 return -EINVAL; 142 } 143 deb_v8("v8mem: %02x %02x %04x %04x, len: %d\n", request_type, req, 144 wAddress, wIndex, buflen); 145 146 mutex_lock(&fc_usb->data_mutex); 147 148 if ((request_type & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) 149 memcpy(fc_usb->data, pbBuffer, buflen); 150 151 ret = usb_control_msg(fc_usb->udev, pipe, 152 req, 153 request_type, 154 wAddress, 155 wIndex, 156 fc_usb->data, 157 buflen, 158 nWaitTime); 159 if (ret != buflen) 160 ret = -EIO; 161 162 if (ret >= 0) { 163 ret = 0; 164 if ((request_type & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) 165 memcpy(pbBuffer, fc_usb->data, buflen); 166 } 167 168 mutex_unlock(&fc_usb->data_mutex); 169 170 debug_dump(pbBuffer, ret, deb_v8); 171 return ret; 172} 173 174#define bytes_left_to_read_on_page(paddr,buflen) \ 175 ((V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK)) > buflen \ 176 ? buflen : (V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK))) 177 178static int flexcop_usb_memory_req(struct flexcop_usb *fc_usb, 179 flexcop_usb_request_t req, flexcop_usb_mem_page_t page_start, 180 u32 addr, int extended, u8 *buf, u32 len) 181{ 182 int i,ret = 0; 183 u16 wMax; 184 u32 pagechunk = 0; 185 186 switch(req) { 187 case B2C2_USB_READ_V8_MEM: 188 wMax = USB_MEM_READ_MAX; 189 break; 190 case B2C2_USB_WRITE_V8_MEM: 191 wMax = USB_MEM_WRITE_MAX; 192 break; 193 case B2C2_USB_FLASH_BLOCK: 194 wMax = USB_FLASH_MAX; 195 break; 196 default: 197 return -EINVAL; 198 break; 199 } 200 for (i = 0; i < len;) { 201 pagechunk = 202 wMax < bytes_left_to_read_on_page(addr, len) ? 203 wMax : 204 bytes_left_to_read_on_page(addr, len); 205 deb_info("%x\n", 206 (addr & V8_MEMORY_PAGE_MASK) | 207 (V8_MEMORY_EXTENDED*extended)); 208 209 ret = flexcop_usb_v8_memory_req(fc_usb, req, 210 page_start + (addr / V8_MEMORY_PAGE_SIZE), 211 (addr & V8_MEMORY_PAGE_MASK) | 212 (V8_MEMORY_EXTENDED*extended), 213 &buf[i], pagechunk); 214 215 if (ret < 0) 216 return ret; 217 addr += pagechunk; 218 len -= pagechunk; 219 } 220 return 0; 221} 222 223static int flexcop_usb_get_mac_addr(struct flexcop_device *fc, int extended) 224{ 225 return flexcop_usb_memory_req(fc->bus_specific, B2C2_USB_READ_V8_MEM, 226 V8_MEMORY_PAGE_FLASH, 0x1f010, 1, 227 fc->dvb_adapter.proposed_mac, 6); 228} 229 230/* usb i2c stuff */ 231static int flexcop_usb_i2c_req(struct flexcop_i2c_adapter *i2c, 232 flexcop_usb_request_t req, flexcop_usb_i2c_function_t func, 233 u8 chipaddr, u8 addr, u8 *buf, u8 buflen) 234{ 235 struct flexcop_usb *fc_usb = i2c->fc->bus_specific; 236 u16 wValue, wIndex; 237 int nWaitTime, pipe, ret; 238 u8 request_type = USB_TYPE_VENDOR; 239 240 if (buflen > sizeof(fc_usb->data)) { 241 err("Buffer size bigger than max URB control message\n"); 242 return -EIO; 243 } 244 245 switch (func) { 246 case USB_FUNC_I2C_WRITE: 247 case USB_FUNC_I2C_MULTIWRITE: 248 case USB_FUNC_I2C_REPEATWRITE: 249 /* DKT 020208 - add this to support special case of DiSEqC */ 250 case USB_FUNC_I2C_CHECKWRITE: 251 pipe = B2C2_USB_CTRL_PIPE_OUT; 252 nWaitTime = 2000; 253 request_type |= USB_DIR_OUT; 254 break; 255 case USB_FUNC_I2C_READ: 256 case USB_FUNC_I2C_REPEATREAD: 257 pipe = B2C2_USB_CTRL_PIPE_IN; 258 nWaitTime = 2000; 259 request_type |= USB_DIR_IN; 260 break; 261 default: 262 deb_info("unsupported function for i2c_req %x\n", func); 263 return -EINVAL; 264 } 265 wValue = (func << 8) | (i2c->port << 4); 266 wIndex = (chipaddr << 8 ) | addr; 267 268 deb_i2c("i2c %2d: %02x %02x %02x %02x %02x %02x\n", 269 func, request_type, req, 270 wValue & 0xff, wValue >> 8, 271 wIndex & 0xff, wIndex >> 8); 272 273 mutex_lock(&fc_usb->data_mutex); 274 275 if ((request_type & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) 276 memcpy(fc_usb->data, buf, buflen); 277 278 ret = usb_control_msg(fc_usb->udev, pipe, 279 req, 280 request_type, 281 wValue, 282 wIndex, 283 fc_usb->data, 284 buflen, 285 nWaitTime); 286 287 if (ret != buflen) 288 ret = -EIO; 289 290 if (ret >= 0) { 291 ret = 0; 292 if ((request_type & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) 293 memcpy(buf, fc_usb->data, buflen); 294 } 295 296 mutex_unlock(&fc_usb->data_mutex); 297 298 return ret; 299} 300 301/* actual bus specific access functions, 302 make sure prototype are/will be equal to pci */ 303static flexcop_ibi_value flexcop_usb_read_ibi_reg(struct flexcop_device *fc, 304 flexcop_ibi_register reg) 305{ 306 flexcop_ibi_value val; 307 val.raw = 0; 308 flexcop_usb_readwrite_dw(fc, reg, &val.raw, 1); 309 return val; 310} 311 312static int flexcop_usb_write_ibi_reg(struct flexcop_device *fc, 313 flexcop_ibi_register reg, flexcop_ibi_value val) 314{ 315 return flexcop_usb_readwrite_dw(fc, reg, &val.raw, 0); 316} 317 318static int flexcop_usb_i2c_request(struct flexcop_i2c_adapter *i2c, 319 flexcop_access_op_t op, u8 chipaddr, u8 addr, u8 *buf, u16 len) 320{ 321 if (op == FC_READ) 322 return flexcop_usb_i2c_req(i2c, B2C2_USB_I2C_REQUEST, 323 USB_FUNC_I2C_READ, chipaddr, addr, buf, len); 324 else 325 return flexcop_usb_i2c_req(i2c, B2C2_USB_I2C_REQUEST, 326 USB_FUNC_I2C_WRITE, chipaddr, addr, buf, len); 327} 328 329static void flexcop_usb_process_frame(struct flexcop_usb *fc_usb, 330 u8 *buffer, int buffer_length) 331{ 332 u8 *b; 333 int l; 334 335 deb_ts("tmp_buffer_length=%d, buffer_length=%d\n", 336 fc_usb->tmp_buffer_length, buffer_length); 337 338 if (fc_usb->tmp_buffer_length > 0) { 339 memcpy(fc_usb->tmp_buffer+fc_usb->tmp_buffer_length, buffer, 340 buffer_length); 341 fc_usb->tmp_buffer_length += buffer_length; 342 b = fc_usb->tmp_buffer; 343 l = fc_usb->tmp_buffer_length; 344 } else { 345 b=buffer; 346 l=buffer_length; 347 } 348 349 while (l >= 190) { 350 if (*b == 0xff) { 351 switch (*(b+1) & 0x03) { 352 case 0x01: /* media packet */ 353 if (*(b+2) == 0x47) 354 flexcop_pass_dmx_packets( 355 fc_usb->fc_dev, b+2, 1); 356 else 357 deb_ts("not ts packet %*ph\n", 4, b+2); 358 b += 190; 359 l -= 190; 360 break; 361 default: 362 deb_ts("wrong packet type\n"); 363 l = 0; 364 break; 365 } 366 } else { 367 deb_ts("wrong header\n"); 368 l = 0; 369 } 370 } 371 372 if (l>0) 373 memcpy(fc_usb->tmp_buffer, b, l); 374 fc_usb->tmp_buffer_length = l; 375} 376 377static void flexcop_usb_urb_complete(struct urb *urb) 378{ 379 struct flexcop_usb *fc_usb = urb->context; 380 int i; 381 382 if (urb->actual_length > 0) 383 deb_ts("urb completed, bufsize: %d actlen; %d\n", 384 urb->transfer_buffer_length, urb->actual_length); 385 386 for (i = 0; i < urb->number_of_packets; i++) { 387 if (urb->iso_frame_desc[i].status < 0) { 388 err("iso frame descriptor %d has an error: %d\n", i, 389 urb->iso_frame_desc[i].status); 390 } else 391 if (urb->iso_frame_desc[i].actual_length > 0) { 392 deb_ts("passed %d bytes to the demux\n", 393 urb->iso_frame_desc[i].actual_length); 394 395 flexcop_usb_process_frame(fc_usb, 396 urb->transfer_buffer + 397 urb->iso_frame_desc[i].offset, 398 urb->iso_frame_desc[i].actual_length); 399 } 400 urb->iso_frame_desc[i].status = 0; 401 urb->iso_frame_desc[i].actual_length = 0; 402 } 403 usb_submit_urb(urb,GFP_ATOMIC); 404} 405 406static int flexcop_usb_stream_control(struct flexcop_device *fc, int onoff) 407{ 408 /* submit/kill iso packets */ 409 return 0; 410} 411 412static void flexcop_usb_transfer_exit(struct flexcop_usb *fc_usb) 413{ 414 int i; 415 for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) 416 if (fc_usb->iso_urb[i] != NULL) { 417 deb_ts("unlinking/killing urb no. %d\n",i); 418 usb_kill_urb(fc_usb->iso_urb[i]); 419 usb_free_urb(fc_usb->iso_urb[i]); 420 } 421 422 usb_free_coherent(fc_usb->udev, fc_usb->buffer_size, 423 fc_usb->iso_buffer, fc_usb->dma_addr); 424 425} 426 427static int flexcop_usb_transfer_init(struct flexcop_usb *fc_usb) 428{ 429 u16 frame_size = le16_to_cpu( 430 fc_usb->uintf->cur_altsetting->endpoint[0].desc.wMaxPacketSize); 431 int bufsize = B2C2_USB_NUM_ISO_URB * B2C2_USB_FRAMES_PER_ISO * 432 frame_size, i, j, ret; 433 int buffer_offset = 0; 434 435 deb_ts("creating %d iso-urbs with %d frames each of %d bytes size = %d.\n", 436 B2C2_USB_NUM_ISO_URB, 437 B2C2_USB_FRAMES_PER_ISO, frame_size, bufsize); 438 439 fc_usb->iso_buffer = usb_alloc_coherent(fc_usb->udev, 440 bufsize, GFP_KERNEL, &fc_usb->dma_addr); 441 if (fc_usb->iso_buffer == NULL) 442 return -ENOMEM; 443 444 memset(fc_usb->iso_buffer, 0, bufsize); 445 fc_usb->buffer_size = bufsize; 446 447 /* creating iso urbs */ 448 for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) { 449 fc_usb->iso_urb[i] = usb_alloc_urb(B2C2_USB_FRAMES_PER_ISO, 450 GFP_ATOMIC); 451 if (fc_usb->iso_urb[i] == NULL) { 452 ret = -ENOMEM; 453 goto urb_error; 454 } 455 } 456 457 /* initialising and submitting iso urbs */ 458 for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) { 459 int frame_offset = 0; 460 struct urb *urb = fc_usb->iso_urb[i]; 461 deb_ts("initializing and submitting urb no. %d (buf_offset: %d).\n", 462 i, buffer_offset); 463 464 urb->dev = fc_usb->udev; 465 urb->context = fc_usb; 466 urb->complete = flexcop_usb_urb_complete; 467 urb->pipe = B2C2_USB_DATA_PIPE; 468 urb->transfer_flags = URB_ISO_ASAP; 469 urb->interval = 1; 470 urb->number_of_packets = B2C2_USB_FRAMES_PER_ISO; 471 urb->transfer_buffer_length = frame_size * B2C2_USB_FRAMES_PER_ISO; 472 urb->transfer_buffer = fc_usb->iso_buffer + buffer_offset; 473 474 buffer_offset += frame_size * B2C2_USB_FRAMES_PER_ISO; 475 for (j = 0; j < B2C2_USB_FRAMES_PER_ISO; j++) { 476 deb_ts("urb no: %d, frame: %d, frame_offset: %d\n", 477 i, j, frame_offset); 478 urb->iso_frame_desc[j].offset = frame_offset; 479 urb->iso_frame_desc[j].length = frame_size; 480 frame_offset += frame_size; 481 } 482 483 if ((ret = usb_submit_urb(fc_usb->iso_urb[i],GFP_ATOMIC))) { 484 err("submitting urb %d failed with %d.", i, ret); 485 goto urb_error; 486 } 487 deb_ts("submitted urb no. %d.\n",i); 488 } 489 490 /* SRAM */ 491 flexcop_sram_set_dest(fc_usb->fc_dev, FC_SRAM_DEST_MEDIA | 492 FC_SRAM_DEST_NET | FC_SRAM_DEST_CAO | FC_SRAM_DEST_CAI, 493 FC_SRAM_DEST_TARGET_WAN_USB); 494 flexcop_wan_set_speed(fc_usb->fc_dev, FC_WAN_SPEED_8MBITS); 495 flexcop_sram_ctrl(fc_usb->fc_dev, 1, 1, 1); 496 return 0; 497 498urb_error: 499 flexcop_usb_transfer_exit(fc_usb); 500 return ret; 501} 502 503static int flexcop_usb_init(struct flexcop_usb *fc_usb) 504{ 505 /* use the alternate setting with the larges buffer */ 506 int ret = usb_set_interface(fc_usb->udev, 0, 1); 507 508 if (ret) { 509 err("set interface failed."); 510 return ret; 511 } 512 513 if (fc_usb->uintf->cur_altsetting->desc.bNumEndpoints < 1) 514 return -ENODEV; 515 if (!usb_endpoint_is_isoc_in(&fc_usb->uintf->cur_altsetting->endpoint[0].desc)) 516 return -ENODEV; 517 518 switch (fc_usb->udev->speed) { 519 case USB_SPEED_LOW: 520 err("cannot handle USB speed because it is too slow."); 521 return -ENODEV; 522 break; 523 case USB_SPEED_FULL: 524 info("running at FULL speed."); 525 break; 526 case USB_SPEED_HIGH: 527 info("running at HIGH speed."); 528 break; 529 case USB_SPEED_UNKNOWN: 530 default: 531 err("cannot handle USB speed because it is unknown."); 532 return -ENODEV; 533 } 534 usb_set_intfdata(fc_usb->uintf, fc_usb); 535 return 0; 536} 537 538static void flexcop_usb_exit(struct flexcop_usb *fc_usb) 539{ 540 usb_set_intfdata(fc_usb->uintf, NULL); 541} 542 543static int flexcop_usb_probe(struct usb_interface *intf, 544 const struct usb_device_id *id) 545{ 546 struct usb_device *udev = interface_to_usbdev(intf); 547 struct flexcop_usb *fc_usb = NULL; 548 struct flexcop_device *fc = NULL; 549 int ret; 550 551 if ((fc = flexcop_device_kmalloc(sizeof(struct flexcop_usb))) == NULL) { 552 err("out of memory\n"); 553 return -ENOMEM; 554 } 555 556 /* general flexcop init */ 557 fc_usb = fc->bus_specific; 558 fc_usb->fc_dev = fc; 559 mutex_init(&fc_usb->data_mutex); 560 561 fc->read_ibi_reg = flexcop_usb_read_ibi_reg; 562 fc->write_ibi_reg = flexcop_usb_write_ibi_reg; 563 fc->i2c_request = flexcop_usb_i2c_request; 564 fc->get_mac_addr = flexcop_usb_get_mac_addr; 565 566 fc->stream_control = flexcop_usb_stream_control; 567 568 fc->pid_filtering = 1; 569 fc->bus_type = FC_USB; 570 571 fc->dev = &udev->dev; 572 fc->owner = THIS_MODULE; 573 574 /* bus specific part */ 575 fc_usb->udev = udev; 576 fc_usb->uintf = intf; 577 if ((ret = flexcop_usb_init(fc_usb)) != 0) 578 goto err_kfree; 579 580 /* init flexcop */ 581 if ((ret = flexcop_device_initialize(fc)) != 0) 582 goto err_usb_exit; 583 584 /* xfer init */ 585 if ((ret = flexcop_usb_transfer_init(fc_usb)) != 0) 586 goto err_fc_exit; 587 588 info("%s successfully initialized and connected.", DRIVER_NAME); 589 return 0; 590 591err_fc_exit: 592 flexcop_device_exit(fc); 593err_usb_exit: 594 flexcop_usb_exit(fc_usb); 595err_kfree: 596 flexcop_device_kfree(fc); 597 return ret; 598} 599 600static void flexcop_usb_disconnect(struct usb_interface *intf) 601{ 602 struct flexcop_usb *fc_usb = usb_get_intfdata(intf); 603 flexcop_usb_transfer_exit(fc_usb); 604 flexcop_device_exit(fc_usb->fc_dev); 605 flexcop_usb_exit(fc_usb); 606 flexcop_device_kfree(fc_usb->fc_dev); 607 info("%s successfully deinitialized and disconnected.", DRIVER_NAME); 608} 609 610static const struct usb_device_id flexcop_usb_table[] = { 611 { USB_DEVICE(0x0af7, 0x0101) }, 612 { } 613}; 614MODULE_DEVICE_TABLE (usb, flexcop_usb_table); 615 616/* usb specific object needed to register this driver with the usb subsystem */ 617static struct usb_driver flexcop_usb_driver = { 618 .name = "b2c2_flexcop_usb", 619 .probe = flexcop_usb_probe, 620 .disconnect = flexcop_usb_disconnect, 621 .id_table = flexcop_usb_table, 622}; 623 624module_usb_driver(flexcop_usb_driver); 625 626MODULE_AUTHOR(DRIVER_AUTHOR); 627MODULE_DESCRIPTION(DRIVER_NAME); 628MODULE_LICENSE("GPL"); 629