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...) no_printk(args) 31 #define debug_dump(b, l, method) do { } while (0) 32 #define DEBSTATUS " (debugging is not enabled)" 33 #endif 34 35 static int debug; 36 module_param(debug, int, 0644); 37 MODULE_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 */ 69 static 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 */ 108 static 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))) 177 178 static 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 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 } 199 while (len) { 200 pagechunk = min(wMax, bytes_left_to_read_on_page(addr, len)); 201 deb_info("%x\n", 202 (addr & V8_MEMORY_PAGE_MASK) | 203 (V8_MEMORY_EXTENDED*extended)); 204 205 ret = flexcop_usb_v8_memory_req(fc_usb, req, 206 page_start + (addr / V8_MEMORY_PAGE_SIZE), 207 (addr & V8_MEMORY_PAGE_MASK) | 208 (V8_MEMORY_EXTENDED*extended), 209 buf, pagechunk); 210 211 if (ret < 0) 212 return ret; 213 addr += pagechunk; 214 buf += pagechunk; 215 len -= pagechunk; 216 } 217 return 0; 218 } 219 220 static int flexcop_usb_get_mac_addr(struct flexcop_device *fc, int extended) 221 { 222 return flexcop_usb_memory_req(fc->bus_specific, B2C2_USB_READ_V8_MEM, 223 V8_MEMORY_PAGE_FLASH, 0x1f010, 1, 224 fc->dvb_adapter.proposed_mac, 6); 225 } 226 227 /* usb i2c stuff */ 228 static int flexcop_usb_i2c_req(struct flexcop_i2c_adapter *i2c, 229 flexcop_usb_request_t req, flexcop_usb_i2c_function_t func, 230 u8 chipaddr, u8 addr, u8 *buf, u8 buflen) 231 { 232 struct flexcop_usb *fc_usb = i2c->fc->bus_specific; 233 u16 wValue, wIndex; 234 int nWaitTime, pipe, ret; 235 u8 request_type = USB_TYPE_VENDOR; 236 237 if (buflen > sizeof(fc_usb->data)) { 238 err("Buffer size bigger than max URB control message\n"); 239 return -EIO; 240 } 241 242 switch (func) { 243 case USB_FUNC_I2C_WRITE: 244 case USB_FUNC_I2C_MULTIWRITE: 245 case USB_FUNC_I2C_REPEATWRITE: 246 /* DKT 020208 - add this to support special case of DiSEqC */ 247 case USB_FUNC_I2C_CHECKWRITE: 248 pipe = B2C2_USB_CTRL_PIPE_OUT; 249 nWaitTime = 2000; 250 request_type |= USB_DIR_OUT; 251 break; 252 case USB_FUNC_I2C_READ: 253 case USB_FUNC_I2C_REPEATREAD: 254 pipe = B2C2_USB_CTRL_PIPE_IN; 255 nWaitTime = 2000; 256 request_type |= USB_DIR_IN; 257 break; 258 default: 259 deb_info("unsupported function for i2c_req %x\n", func); 260 return -EINVAL; 261 } 262 wValue = (func << 8) | (i2c->port << 4); 263 wIndex = (chipaddr << 8 ) | addr; 264 265 deb_i2c("i2c %2d: %02x %02x %02x %02x %02x %02x\n", 266 func, request_type, req, 267 wValue & 0xff, wValue >> 8, 268 wIndex & 0xff, wIndex >> 8); 269 270 mutex_lock(&fc_usb->data_mutex); 271 272 if ((request_type & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) 273 memcpy(fc_usb->data, buf, buflen); 274 275 ret = usb_control_msg(fc_usb->udev, pipe, 276 req, 277 request_type, 278 wValue, 279 wIndex, 280 fc_usb->data, 281 buflen, 282 nWaitTime); 283 284 if (ret != buflen) 285 ret = -EIO; 286 287 if (ret >= 0) { 288 ret = 0; 289 if ((request_type & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) 290 memcpy(buf, fc_usb->data, buflen); 291 } 292 293 mutex_unlock(&fc_usb->data_mutex); 294 295 return ret; 296 } 297 298 /* actual bus specific access functions, 299 make sure prototype are/will be equal to pci */ 300 static flexcop_ibi_value flexcop_usb_read_ibi_reg(struct flexcop_device *fc, 301 flexcop_ibi_register reg) 302 { 303 flexcop_ibi_value val; 304 val.raw = 0; 305 flexcop_usb_readwrite_dw(fc, reg, &val.raw, 1); 306 return val; 307 } 308 309 static int flexcop_usb_write_ibi_reg(struct flexcop_device *fc, 310 flexcop_ibi_register reg, flexcop_ibi_value val) 311 { 312 return flexcop_usb_readwrite_dw(fc, reg, &val.raw, 0); 313 } 314 315 static int flexcop_usb_i2c_request(struct flexcop_i2c_adapter *i2c, 316 flexcop_access_op_t op, u8 chipaddr, u8 addr, u8 *buf, u16 len) 317 { 318 if (op == FC_READ) 319 return flexcop_usb_i2c_req(i2c, B2C2_USB_I2C_REQUEST, 320 USB_FUNC_I2C_READ, chipaddr, addr, buf, len); 321 else 322 return flexcop_usb_i2c_req(i2c, B2C2_USB_I2C_REQUEST, 323 USB_FUNC_I2C_WRITE, chipaddr, addr, buf, len); 324 } 325 326 static void flexcop_usb_process_frame(struct flexcop_usb *fc_usb, 327 u8 *buffer, int buffer_length) 328 { 329 u8 *b; 330 int l; 331 332 deb_ts("tmp_buffer_length=%d, buffer_length=%d\n", 333 fc_usb->tmp_buffer_length, buffer_length); 334 335 if (fc_usb->tmp_buffer_length > 0) { 336 memcpy(fc_usb->tmp_buffer+fc_usb->tmp_buffer_length, buffer, 337 buffer_length); 338 fc_usb->tmp_buffer_length += buffer_length; 339 b = fc_usb->tmp_buffer; 340 l = fc_usb->tmp_buffer_length; 341 } else { 342 b = buffer; 343 l = buffer_length; 344 } 345 346 while (l >= 190) { 347 if (*b == 0xff) { 348 switch (*(b+1) & 0x03) { 349 case 0x01: /* media packet */ 350 if (*(b+2) == 0x47) 351 flexcop_pass_dmx_packets( 352 fc_usb->fc_dev, b+2, 1); 353 else 354 deb_ts("not ts packet %*ph\n", 4, b+2); 355 b += 190; 356 l -= 190; 357 break; 358 default: 359 deb_ts("wrong packet type\n"); 360 l = 0; 361 break; 362 } 363 } else { 364 deb_ts("wrong header\n"); 365 l = 0; 366 } 367 } 368 369 if (l > 0) 370 memcpy(fc_usb->tmp_buffer, b, l); 371 fc_usb->tmp_buffer_length = l; 372 } 373 374 static void flexcop_usb_urb_complete(struct urb *urb) 375 { 376 struct flexcop_usb *fc_usb = urb->context; 377 int i; 378 379 if (urb->actual_length > 0) 380 deb_ts("urb completed, bufsize: %d actlen; %d\n", 381 urb->transfer_buffer_length, urb->actual_length); 382 383 for (i = 0; i < urb->number_of_packets; i++) { 384 if (urb->iso_frame_desc[i].status < 0) { 385 err("iso frame descriptor %d has an error: %d\n", i, 386 urb->iso_frame_desc[i].status); 387 } else 388 if (urb->iso_frame_desc[i].actual_length > 0) { 389 deb_ts("passed %d bytes to the demux\n", 390 urb->iso_frame_desc[i].actual_length); 391 392 flexcop_usb_process_frame(fc_usb, 393 urb->transfer_buffer + 394 urb->iso_frame_desc[i].offset, 395 urb->iso_frame_desc[i].actual_length); 396 } 397 urb->iso_frame_desc[i].status = 0; 398 urb->iso_frame_desc[i].actual_length = 0; 399 } 400 usb_submit_urb(urb, GFP_ATOMIC); 401 } 402 403 static int flexcop_usb_stream_control(struct flexcop_device *fc, int onoff) 404 { 405 /* submit/kill iso packets */ 406 return 0; 407 } 408 409 static void flexcop_usb_transfer_exit(struct flexcop_usb *fc_usb) 410 { 411 int i; 412 for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) 413 if (fc_usb->iso_urb[i] != NULL) { 414 deb_ts("unlinking/killing urb no. %d\n", i); 415 usb_kill_urb(fc_usb->iso_urb[i]); 416 usb_free_urb(fc_usb->iso_urb[i]); 417 } 418 419 usb_free_coherent(fc_usb->udev, fc_usb->buffer_size, 420 fc_usb->iso_buffer, fc_usb->dma_addr); 421 422 } 423 424 static int flexcop_usb_transfer_init(struct flexcop_usb *fc_usb) 425 { 426 struct usb_host_interface *alt = fc_usb->uintf->cur_altsetting; 427 u16 frame_size; 428 int bufsize, i, j, ret; 429 int buffer_offset = 0; 430 431 frame_size = usb_endpoint_maxp(&alt->endpoint[0].desc); 432 bufsize = B2C2_USB_NUM_ISO_URB * B2C2_USB_FRAMES_PER_ISO * frame_size; 433 434 deb_ts("creating %d iso-urbs with %d frames each of %d bytes size = %d.\n", 435 B2C2_USB_NUM_ISO_URB, 436 B2C2_USB_FRAMES_PER_ISO, frame_size, bufsize); 437 438 fc_usb->iso_buffer = usb_alloc_coherent(fc_usb->udev, 439 bufsize, GFP_KERNEL, &fc_usb->dma_addr); 440 if (fc_usb->iso_buffer == NULL) 441 return -ENOMEM; 442 443 memset(fc_usb->iso_buffer, 0, bufsize); 444 fc_usb->buffer_size = bufsize; 445 446 /* creating iso urbs */ 447 for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) { 448 fc_usb->iso_urb[i] = usb_alloc_urb(B2C2_USB_FRAMES_PER_ISO, 449 GFP_KERNEL); 450 if (fc_usb->iso_urb[i] == NULL) { 451 ret = -ENOMEM; 452 goto urb_error; 453 } 454 } 455 456 /* initialising and submitting iso urbs */ 457 for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) { 458 int frame_offset = 0; 459 struct urb *urb = fc_usb->iso_urb[i]; 460 deb_ts("initializing and submitting urb no. %d (buf_offset: %d).\n", 461 i, buffer_offset); 462 463 urb->dev = fc_usb->udev; 464 urb->context = fc_usb; 465 urb->complete = flexcop_usb_urb_complete; 466 urb->pipe = B2C2_USB_DATA_PIPE; 467 urb->transfer_flags = URB_ISO_ASAP; 468 urb->interval = 1; 469 urb->number_of_packets = B2C2_USB_FRAMES_PER_ISO; 470 urb->transfer_buffer_length = frame_size * B2C2_USB_FRAMES_PER_ISO; 471 urb->transfer_buffer = fc_usb->iso_buffer + buffer_offset; 472 473 buffer_offset += frame_size * B2C2_USB_FRAMES_PER_ISO; 474 for (j = 0; j < B2C2_USB_FRAMES_PER_ISO; j++) { 475 deb_ts("urb no: %d, frame: %d, frame_offset: %d\n", 476 i, j, frame_offset); 477 urb->iso_frame_desc[j].offset = frame_offset; 478 urb->iso_frame_desc[j].length = frame_size; 479 frame_offset += frame_size; 480 } 481 482 if ((ret = usb_submit_urb(fc_usb->iso_urb[i],GFP_KERNEL))) { 483 err("submitting urb %d failed with %d.", i, ret); 484 goto urb_error; 485 } 486 deb_ts("submitted urb no. %d.\n", i); 487 } 488 489 /* SRAM */ 490 flexcop_sram_set_dest(fc_usb->fc_dev, FC_SRAM_DEST_MEDIA | 491 FC_SRAM_DEST_NET | FC_SRAM_DEST_CAO | FC_SRAM_DEST_CAI, 492 FC_SRAM_DEST_TARGET_WAN_USB); 493 flexcop_wan_set_speed(fc_usb->fc_dev, FC_WAN_SPEED_8MBITS); 494 flexcop_sram_ctrl(fc_usb->fc_dev, 1, 1, 1); 495 return 0; 496 497 urb_error: 498 flexcop_usb_transfer_exit(fc_usb); 499 return ret; 500 } 501 502 static int flexcop_usb_init(struct flexcop_usb *fc_usb) 503 { 504 struct usb_host_interface *alt; 505 int ret; 506 507 /* use the alternate setting with the largest buffer */ 508 ret = usb_set_interface(fc_usb->udev, 0, 1); 509 if (ret) { 510 err("set interface failed."); 511 return ret; 512 } 513 514 alt = fc_usb->uintf->cur_altsetting; 515 516 if (alt->desc.bNumEndpoints < 2) 517 return -ENODEV; 518 if (!usb_endpoint_is_isoc_in(&alt->endpoint[0].desc)) 519 return -ENODEV; 520 521 switch (fc_usb->udev->speed) { 522 case USB_SPEED_LOW: 523 err("cannot handle USB speed because it is too slow."); 524 return -ENODEV; 525 break; 526 case USB_SPEED_FULL: 527 info("running at FULL speed."); 528 break; 529 case USB_SPEED_HIGH: 530 info("running at HIGH speed."); 531 break; 532 case USB_SPEED_SUPER: 533 info("running at SUPER speed."); 534 break; 535 case USB_SPEED_SUPER_PLUS: 536 info("running at SUPER+ speed."); 537 break; 538 case USB_SPEED_UNKNOWN: 539 default: 540 err("cannot handle USB speed because it is unknown."); 541 return -ENODEV; 542 } 543 usb_set_intfdata(fc_usb->uintf, fc_usb); 544 return 0; 545 } 546 547 static void flexcop_usb_exit(struct flexcop_usb *fc_usb) 548 { 549 usb_set_intfdata(fc_usb->uintf, NULL); 550 } 551 552 static int flexcop_usb_probe(struct usb_interface *intf, 553 const struct usb_device_id *id) 554 { 555 struct usb_device *udev = interface_to_usbdev(intf); 556 struct flexcop_usb *fc_usb = NULL; 557 struct flexcop_device *fc = NULL; 558 int ret; 559 560 if ((fc = flexcop_device_kmalloc(sizeof(struct flexcop_usb))) == NULL) { 561 err("out of memory\n"); 562 return -ENOMEM; 563 } 564 565 /* general flexcop init */ 566 fc_usb = fc->bus_specific; 567 fc_usb->fc_dev = fc; 568 mutex_init(&fc_usb->data_mutex); 569 570 fc->read_ibi_reg = flexcop_usb_read_ibi_reg; 571 fc->write_ibi_reg = flexcop_usb_write_ibi_reg; 572 fc->i2c_request = flexcop_usb_i2c_request; 573 fc->get_mac_addr = flexcop_usb_get_mac_addr; 574 575 fc->stream_control = flexcop_usb_stream_control; 576 577 fc->pid_filtering = 1; 578 fc->bus_type = FC_USB; 579 580 fc->dev = &udev->dev; 581 fc->owner = THIS_MODULE; 582 583 /* bus specific part */ 584 fc_usb->udev = udev; 585 fc_usb->uintf = intf; 586 if ((ret = flexcop_usb_init(fc_usb)) != 0) 587 goto err_kfree; 588 589 /* init flexcop */ 590 if ((ret = flexcop_device_initialize(fc)) != 0) 591 goto err_usb_exit; 592 593 /* xfer init */ 594 if ((ret = flexcop_usb_transfer_init(fc_usb)) != 0) 595 goto err_fc_exit; 596 597 info("%s successfully initialized and connected.", DRIVER_NAME); 598 return 0; 599 600 err_fc_exit: 601 flexcop_device_exit(fc); 602 err_usb_exit: 603 flexcop_usb_exit(fc_usb); 604 err_kfree: 605 flexcop_device_kfree(fc); 606 return ret; 607 } 608 609 static void flexcop_usb_disconnect(struct usb_interface *intf) 610 { 611 struct flexcop_usb *fc_usb = usb_get_intfdata(intf); 612 flexcop_usb_transfer_exit(fc_usb); 613 flexcop_device_exit(fc_usb->fc_dev); 614 flexcop_usb_exit(fc_usb); 615 flexcop_device_kfree(fc_usb->fc_dev); 616 info("%s successfully deinitialized and disconnected.", DRIVER_NAME); 617 } 618 619 static const struct usb_device_id flexcop_usb_table[] = { 620 { USB_DEVICE(0x0af7, 0x0101) }, 621 { } 622 }; 623 MODULE_DEVICE_TABLE (usb, flexcop_usb_table); 624 625 /* usb specific object needed to register this driver with the usb subsystem */ 626 static struct usb_driver flexcop_usb_driver = { 627 .name = "b2c2_flexcop_usb", 628 .probe = flexcop_usb_probe, 629 .disconnect = flexcop_usb_disconnect, 630 .id_table = flexcop_usb_table, 631 }; 632 633 module_usb_driver(flexcop_usb_driver); 634 635 MODULE_AUTHOR(DRIVER_AUTHOR); 636 MODULE_DESCRIPTION(DRIVER_NAME); 637 MODULE_LICENSE("GPL"); 638