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