[PATCH] USB: remove .owner field from struct usb_driver
[linux-2.6.git] / drivers / media / dvb / b2c2 / flexcop-usb.c
1 /*
2  * This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III
3  *
4  * flexcop-usb.c - covers the USB part.
5  *
6  * see flexcop.c for copyright information.
7  */
8
9 #define FC_LOG_PREFIX "flexcop_usb"
10 #include "flexcop-usb.h"
11 #include "flexcop-common.h"
12
13 /* Version information */
14 #define DRIVER_VERSION "0.1"
15 #define DRIVER_NAME "Technisat/B2C2 FlexCop II/IIb/III Digital TV USB Driver"
16 #define DRIVER_AUTHOR "Patrick Boettcher <patrick.boettcher@desy.de>"
17
18 /* debug */
19 #ifdef CONFIG_DVB_B2C2_FLEXCOP_DEBUG
20 #define dprintk(level,args...) \
21             do { if ((debug & level)) { printk(args); } } while (0)
22 #define debug_dump(b,l,method) {\
23         int i; \
24         for (i = 0; i < l; i++) method("%02x ", b[i]); \
25         method("\n");\
26 }
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
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 (these are 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) (((usPCI >> 2) & 0x07) + ((usPCI >> 4) & 0x70))
56 #define B2C2_FLEX_INTERNALADDR_TO_PCIOFFSET(ucAddr) (u16) (((ucAddr & 0x07) << 2) + ((ucAddr & 0x70) << 4))
57
58 /*
59  * DKT 020228
60  * - forget about this VENDOR_BUFFER_SIZE, read and write register
61  *   deal with DWORD or 4 bytes, that should be should from now on
62  * - from now on, we don't support anything older than firm 1.00
63  *   I eliminated the write register as a 2 trip of writing hi word and lo word
64  *   and force this to write only 4 bytes at a time.
65  *   NOTE: this should work with all the firmware from 1.00 and newer
66  */
67 static int flexcop_usb_readwrite_dw(struct flexcop_device *fc, u16 wRegOffsPCI, u32 *val, u8 read)
68 {
69         struct flexcop_usb *fc_usb = fc->bus_specific;
70         u8 request = read ? B2C2_USB_READ_REG : B2C2_USB_WRITE_REG;
71         u8 request_type = (read ? USB_DIR_IN : USB_DIR_OUT) | USB_TYPE_VENDOR;
72         u8 wAddress = B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(wRegOffsPCI) | (read ? 0x80 : 0);
73
74         int len = usb_control_msg(fc_usb->udev,
75                         read ? B2C2_USB_CTRL_PIPE_IN : B2C2_USB_CTRL_PIPE_OUT,
76                         request,
77                         request_type,  /* 0xc0 read or 0x40 write*/
78                         wAddress,
79                         0,
80                         val,
81                         sizeof(u32),
82                         B2C2_WAIT_FOR_OPERATION_RDW * HZ);
83
84         if (len != sizeof(u32)) {
85                 err("error while %s dword from %d (%d).",read ? "reading" : "writing",
86                         wAddress,wRegOffsPCI);
87                 return -EIO;
88         }
89         return 0;
90 }
91
92 /*
93  * DKT 010817 - add support for V8 memory read/write and flash update
94  */
95 static int flexcop_usb_v8_memory_req(struct flexcop_usb *fc_usb,
96                 flexcop_usb_request_t req, u8 page, u16 wAddress,
97                 u8 *pbBuffer,u32 buflen)
98 {
99 //      u8 dwRequestType;
100         u8 request_type = USB_TYPE_VENDOR;
101         u16 wIndex;
102         int nWaitTime,pipe,len;
103
104         wIndex = page << 8;
105
106         switch (req) {
107                 case B2C2_USB_READ_V8_MEM:
108                         nWaitTime = B2C2_WAIT_FOR_OPERATION_V8READ;
109                         request_type |= USB_DIR_IN;
110 //                      dwRequestType = (u8) RTYPE_READ_V8_MEMORY;
111                         pipe = B2C2_USB_CTRL_PIPE_IN;
112                 break;
113                 case B2C2_USB_WRITE_V8_MEM:
114                         wIndex |= pbBuffer[0];
115                         request_type |= USB_DIR_OUT;
116                         nWaitTime = B2C2_WAIT_FOR_OPERATION_V8WRITE;
117 //                      dwRequestType = (u8) RTYPE_WRITE_V8_MEMORY;
118                         pipe = B2C2_USB_CTRL_PIPE_OUT;
119                 break;
120                 case B2C2_USB_FLASH_BLOCK:
121                         request_type |= USB_DIR_OUT;
122                         nWaitTime = B2C2_WAIT_FOR_OPERATION_V8FLASH;
123 //                      dwRequestType = (u8) RTYPE_WRITE_V8_FLASH;
124                         pipe = B2C2_USB_CTRL_PIPE_OUT;
125                 break;
126                 default:
127                         deb_info("unsupported request for v8_mem_req %x.\n",req);
128                 return -EINVAL;
129         }
130         deb_v8("v8mem: %02x %02x %04x %04x, len: %d\n",request_type,req,
131                         wAddress,wIndex,buflen);
132
133         len = usb_control_msg(fc_usb->udev,pipe,
134                         req,
135                         request_type,
136                         wAddress,
137                         wIndex,
138                         pbBuffer,
139                         buflen,
140                         nWaitTime * HZ);
141
142         debug_dump(pbBuffer,len,deb_v8);
143
144         return len == buflen ? 0 : -EIO;
145 }
146
147 #define bytes_left_to_read_on_page(paddr,buflen) \
148                         ((V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK)) > buflen \
149                         ? buflen : (V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK)))
150
151 static int flexcop_usb_memory_req(struct flexcop_usb *fc_usb,flexcop_usb_request_t req,
152                 flexcop_usb_mem_page_t page_start, u32 addr, int extended, u8 *buf, u32 len)
153 {
154         int i,ret = 0;
155         u16 wMax;
156         u32 pagechunk = 0;
157
158         switch(req) {
159                 case B2C2_USB_READ_V8_MEM:  wMax = USB_MEM_READ_MAX; break;
160                 case B2C2_USB_WRITE_V8_MEM:     wMax = USB_MEM_WRITE_MAX; break;
161                 case B2C2_USB_FLASH_BLOCK:  wMax = USB_FLASH_MAX; break;
162                 default:
163                         return -EINVAL;
164                 break;
165         }
166         for (i = 0; i < len;) {
167                 pagechunk = wMax < bytes_left_to_read_on_page(addr,len) ? wMax : bytes_left_to_read_on_page(addr,len);
168                 deb_info("%x\n",(addr & V8_MEMORY_PAGE_MASK) | (V8_MEMORY_EXTENDED*extended));
169                 if ((ret = flexcop_usb_v8_memory_req(fc_usb,req,
170                                 page_start + (addr / V8_MEMORY_PAGE_SIZE), /* actual page */
171                                 (addr & V8_MEMORY_PAGE_MASK) | (V8_MEMORY_EXTENDED*extended),
172                                 &buf[i],pagechunk)) < 0)
173                         return ret;
174
175                 addr += pagechunk;
176                 len -= pagechunk;
177         }
178         return 0;
179 }
180
181 static int flexcop_usb_get_mac_addr(struct flexcop_device *fc, int extended)
182 {
183         return flexcop_usb_memory_req(fc->bus_specific,B2C2_USB_READ_V8_MEM,
184                         V8_MEMORY_PAGE_FLASH,0x1f010,1,fc->dvb_adapter.proposed_mac,6);
185 }
186
187 #if 0
188 static int flexcop_usb_utility_req(struct flexcop_usb *fc_usb, int set,
189                 flexcop_usb_utility_function_t func, u8 extra, u16 wIndex,
190                 u16 buflen, u8 *pvBuffer)
191 {
192         u16 wValue;
193         u8 request_type = (set ? USB_DIR_OUT : USB_DIR_IN) | USB_TYPE_VENDOR;
194 //      u8 dwRequestType = (u8) RTYPE_GENERIC,
195         int nWaitTime = 2,
196                 pipe = set ? B2C2_USB_CTRL_PIPE_OUT : B2C2_USB_CTRL_PIPE_IN,
197                 len;
198
199         wValue = (func << 8) | extra;
200
201         len = usb_control_msg(fc_usb->udev,pipe,
202                         B2C2_USB_UTILITY,
203                         request_type,
204                         wValue,
205                         wIndex,
206                         pvBuffer,
207                         buflen,
208                         nWaitTime * HZ);
209         return len == buflen ? 0 : -EIO;
210 }
211 #endif
212
213 /* usb i2c stuff */
214 static int flexcop_usb_i2c_req(struct flexcop_usb *fc_usb,
215                 flexcop_usb_request_t req, flexcop_usb_i2c_function_t func,
216                 flexcop_i2c_port_t port, u8 chipaddr, u8 addr, u8 *buf, u8 buflen)
217 {
218         u16 wValue, wIndex;
219         int nWaitTime,pipe,len;
220 //      u8 dwRequestType;
221         u8 request_type = USB_TYPE_VENDOR;
222
223         switch (func) {
224                 case USB_FUNC_I2C_WRITE:
225                 case USB_FUNC_I2C_MULTIWRITE:
226                 case USB_FUNC_I2C_REPEATWRITE:
227                 /* DKT 020208 - add this to support special case of DiSEqC */
228                 case USB_FUNC_I2C_CHECKWRITE:
229                         pipe = B2C2_USB_CTRL_PIPE_OUT;
230                         nWaitTime = 2;
231 //                      dwRequestType = (u8) RTYPE_GENERIC;
232                         request_type |= USB_DIR_OUT;
233                 break;
234                 case USB_FUNC_I2C_READ:
235                 case USB_FUNC_I2C_REPEATREAD:
236                         pipe = B2C2_USB_CTRL_PIPE_IN;
237                         nWaitTime = 2;
238 //                      dwRequestType = (u8) RTYPE_GENERIC;
239                         request_type |= USB_DIR_IN;
240                 break;
241                 default:
242                         deb_info("unsupported function for i2c_req %x\n",func);
243                         return -EINVAL;
244         }
245         wValue = (func << 8 ) | (port << 4);
246         wIndex = (chipaddr << 8 ) | addr;
247
248         deb_i2c("i2c %2d: %02x %02x %02x %02x %02x %02x\n",func,request_type,req,
249                         ((wValue && 0xff) << 8),wValue >> 8,((wIndex && 0xff) << 8),wIndex >> 8);
250
251         len = usb_control_msg(fc_usb->udev,pipe,
252                         req,
253                         request_type,
254                         wValue,
255                         wIndex,
256                         buf,
257                         buflen,
258                         nWaitTime * HZ);
259
260         return len == buflen ? 0 : -EREMOTEIO;
261 }
262
263 /* actual bus specific access functions, make sure prototype are/will be equal to pci */
264 static flexcop_ibi_value flexcop_usb_read_ibi_reg(struct flexcop_device *fc, flexcop_ibi_register reg)
265 {
266         flexcop_ibi_value val;
267         val.raw = 0;
268         flexcop_usb_readwrite_dw(fc,reg, &val.raw, 1);
269         return val;
270 }
271
272 static int flexcop_usb_write_ibi_reg(struct flexcop_device *fc, flexcop_ibi_register reg, flexcop_ibi_value val)
273 {
274         return flexcop_usb_readwrite_dw(fc,reg, &val.raw, 0);
275 }
276
277 static int flexcop_usb_i2c_request(struct flexcop_device *fc, flexcop_access_op_t op,
278                 flexcop_i2c_port_t port, u8 chipaddr, u8 addr, u8 *buf, u16 len)
279 {
280         if (op == FC_READ)
281                 return flexcop_usb_i2c_req(fc->bus_specific,B2C2_USB_I2C_REQUEST,USB_FUNC_I2C_READ,port,chipaddr,addr,buf,len);
282         else
283                 return flexcop_usb_i2c_req(fc->bus_specific,B2C2_USB_I2C_REQUEST,USB_FUNC_I2C_WRITE,port,chipaddr,addr,buf,len);
284 }
285
286 static void flexcop_usb_process_frame(struct flexcop_usb *fc_usb, u8 *buffer, int buffer_length)
287 {
288         u8 *b;
289         int l;
290
291         deb_ts("tmp_buffer_length=%d, buffer_length=%d\n", fc_usb->tmp_buffer_length, buffer_length);
292
293         if (fc_usb->tmp_buffer_length > 0) {
294                 memcpy(fc_usb->tmp_buffer+fc_usb->tmp_buffer_length, buffer, buffer_length);
295                 fc_usb->tmp_buffer_length += buffer_length;
296                 b = fc_usb->tmp_buffer;
297                 l = fc_usb->tmp_buffer_length;
298         } else {
299                 b=buffer;
300                 l=buffer_length;
301         }
302
303         while (l >= 190) {
304                 if (*b == 0xff)
305                         switch (*(b+1) & 0x03) {
306                                 case 0x01: /* media packet */
307                                         if ( *(b+2) == 0x47 )
308                                                 flexcop_pass_dmx_packets(fc_usb->fc_dev, b+2, 1);
309                                         else
310                                                 deb_ts("not ts packet %02x %02x %02x %02x \n", *(b+2), *(b+3), *(b+4), *(b+5) );
311
312                                         b += 190;
313                                         l -= 190;
314                                 break;
315                                 default:
316                                         deb_ts("wrong packet type\n");
317                                         l = 0;
318                                 break;
319                         }
320                 else {
321                         deb_ts("wrong header\n");
322                         l = 0;
323                 }
324         }
325
326         if (l>0)
327                 memcpy(fc_usb->tmp_buffer, b, l);
328         fc_usb->tmp_buffer_length = l;
329 }
330
331 static void flexcop_usb_urb_complete(struct urb *urb, struct pt_regs *ptregs)
332 {
333         struct flexcop_usb *fc_usb = urb->context;
334         int i;
335
336         if (urb->actual_length > 0)
337                 deb_ts("urb completed, bufsize: %d actlen; %d\n",urb->transfer_buffer_length, urb->actual_length);
338
339         for (i = 0; i < urb->number_of_packets; i++) {
340                 if (urb->iso_frame_desc[i].status < 0) {
341                         err("iso frame descriptor %d has an error: %d\n",i,urb->iso_frame_desc[i].status);
342                 } else
343                         if (urb->iso_frame_desc[i].actual_length > 0) {
344                                 deb_ts("passed %d bytes to the demux\n",urb->iso_frame_desc[i].actual_length);
345
346                                 flexcop_usb_process_frame(fc_usb,
347                                         urb->transfer_buffer + urb->iso_frame_desc[i].offset,
348                                         urb->iso_frame_desc[i].actual_length);
349                 }
350                 urb->iso_frame_desc[i].status = 0;
351                 urb->iso_frame_desc[i].actual_length = 0;
352         }
353
354         usb_submit_urb(urb,GFP_ATOMIC);
355 }
356
357 static int flexcop_usb_stream_control(struct flexcop_device *fc, int onoff)
358 {
359         /* submit/kill iso packets */
360         return 0;
361 }
362
363 static void flexcop_usb_transfer_exit(struct flexcop_usb *fc_usb)
364 {
365         int i;
366         for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++)
367                 if (fc_usb->iso_urb[i] != NULL) {
368                         deb_ts("unlinking/killing urb no. %d\n",i);
369                         usb_kill_urb(fc_usb->iso_urb[i]);
370                         usb_free_urb(fc_usb->iso_urb[i]);
371                 }
372
373         if (fc_usb->iso_buffer != NULL)
374                 pci_free_consistent(NULL,fc_usb->buffer_size, fc_usb->iso_buffer, fc_usb->dma_addr);
375 }
376
377 static int flexcop_usb_transfer_init(struct flexcop_usb *fc_usb)
378 {
379         u16 frame_size = fc_usb->uintf->cur_altsetting->endpoint[0].desc.wMaxPacketSize;
380         int bufsize = B2C2_USB_NUM_ISO_URB * B2C2_USB_FRAMES_PER_ISO * frame_size,i,j,ret;
381         int buffer_offset = 0;
382
383         deb_ts("creating %d iso-urbs with %d frames each of %d bytes size = %d.\n",
384                         B2C2_USB_NUM_ISO_URB, B2C2_USB_FRAMES_PER_ISO, frame_size,bufsize);
385
386         fc_usb->iso_buffer = pci_alloc_consistent(NULL,bufsize,&fc_usb->dma_addr);
387         if (fc_usb->iso_buffer == NULL)
388                 return -ENOMEM;
389         memset(fc_usb->iso_buffer, 0, bufsize);
390         fc_usb->buffer_size = bufsize;
391
392         /* creating iso urbs */
393         for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++)
394                 if (!(fc_usb->iso_urb[i] = usb_alloc_urb(B2C2_USB_FRAMES_PER_ISO,GFP_ATOMIC))) {
395                         ret = -ENOMEM;
396                         goto urb_error;
397                 }
398         /* initialising and submitting iso urbs */
399         for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) {
400                 int frame_offset = 0;
401                 struct urb *urb = fc_usb->iso_urb[i];
402                 deb_ts("initializing and submitting urb no. %d (buf_offset: %d).\n",i,buffer_offset);
403
404                 urb->dev = fc_usb->udev;
405                 urb->context = fc_usb;
406                 urb->complete = flexcop_usb_urb_complete;
407                 urb->pipe = B2C2_USB_DATA_PIPE;
408                 urb->transfer_flags = URB_ISO_ASAP;
409                 urb->interval = 1;
410                 urb->number_of_packets = B2C2_USB_FRAMES_PER_ISO;
411                 urb->transfer_buffer_length = frame_size * B2C2_USB_FRAMES_PER_ISO;
412                 urb->transfer_buffer = fc_usb->iso_buffer + buffer_offset;
413
414                 buffer_offset += frame_size * B2C2_USB_FRAMES_PER_ISO;
415                 for (j = 0; j < B2C2_USB_FRAMES_PER_ISO; j++) {
416                         deb_ts("urb no: %d, frame: %d, frame_offset: %d\n",i,j,frame_offset);
417                         urb->iso_frame_desc[j].offset = frame_offset;
418                         urb->iso_frame_desc[j].length = frame_size;
419                         frame_offset += frame_size;
420                 }
421
422                 if ((ret = usb_submit_urb(fc_usb->iso_urb[i],GFP_ATOMIC))) {
423                         err("submitting urb %d failed with %d.",i,ret);
424                         goto urb_error;
425                 }
426                 deb_ts("submitted urb no. %d.\n",i);
427         }
428
429 /* SRAM */
430
431         flexcop_sram_set_dest(fc_usb->fc_dev,FC_SRAM_DEST_MEDIA | FC_SRAM_DEST_NET |
432                         FC_SRAM_DEST_CAO | FC_SRAM_DEST_CAI, FC_SRAM_DEST_TARGET_WAN_USB);
433         flexcop_wan_set_speed(fc_usb->fc_dev,FC_WAN_SPEED_8MBITS);
434         flexcop_sram_ctrl(fc_usb->fc_dev,1,1,1);
435
436         ret = 0;
437         goto success;
438 urb_error:
439         flexcop_usb_transfer_exit(fc_usb);
440 success:
441         return ret;
442 }
443
444 static int flexcop_usb_init(struct flexcop_usb *fc_usb)
445 {
446         /* use the alternate setting with the larges buffer */
447         usb_set_interface(fc_usb->udev,0,1);
448         switch (fc_usb->udev->speed) {
449                 case USB_SPEED_LOW:
450                         err("cannot handle USB speed because it is to sLOW.");
451                         return -ENODEV;
452                         break;
453                 case USB_SPEED_FULL:
454                         info("running at FULL speed.");
455                         break;
456                 case USB_SPEED_HIGH:
457                         info("running at HIGH speed.");
458                         break;
459                 case USB_SPEED_UNKNOWN: /* fall through */
460                 default:
461                         err("cannot handle USB speed because it is unkown.");
462                         return -ENODEV;
463         }
464         usb_set_intfdata(fc_usb->uintf, fc_usb);
465         return 0;
466 }
467
468 static void flexcop_usb_exit(struct flexcop_usb *fc_usb)
469 {
470         usb_set_intfdata(fc_usb->uintf, NULL);
471 }
472
473 static int flexcop_usb_probe(struct usb_interface *intf,
474                 const struct usb_device_id *id)
475 {
476         struct usb_device *udev = interface_to_usbdev(intf);
477         struct flexcop_usb *fc_usb = NULL;
478         struct flexcop_device *fc = NULL;
479         int ret;
480
481         if ((fc = flexcop_device_kmalloc(sizeof(struct flexcop_usb))) == NULL) {
482                 err("out of memory\n");
483                 return -ENOMEM;
484         }
485
486 /* general flexcop init */
487         fc_usb = fc->bus_specific;
488         fc_usb->fc_dev = fc;
489
490         fc->read_ibi_reg  = flexcop_usb_read_ibi_reg;
491         fc->write_ibi_reg = flexcop_usb_write_ibi_reg;
492         fc->i2c_request = flexcop_usb_i2c_request;
493         fc->get_mac_addr = flexcop_usb_get_mac_addr;
494
495         fc->stream_control = flexcop_usb_stream_control;
496
497         fc->pid_filtering = 1;
498         fc->bus_type = FC_USB;
499
500         fc->dev = &udev->dev;
501         fc->owner = THIS_MODULE;
502
503 /* bus specific part */
504         fc_usb->udev = udev;
505         fc_usb->uintf = intf;
506         if ((ret = flexcop_usb_init(fc_usb)) != 0)
507                 goto err_kfree;
508
509 /* init flexcop */
510         if ((ret = flexcop_device_initialize(fc)) != 0)
511                 goto err_usb_exit;
512
513 /* xfer init */
514         if ((ret = flexcop_usb_transfer_init(fc_usb)) != 0)
515                 goto err_fc_exit;
516
517         info("%s successfully initialized and connected.",DRIVER_NAME);
518         ret = 0;
519         goto success;
520 err_fc_exit:
521         flexcop_device_exit(fc);
522 err_usb_exit:
523         flexcop_usb_exit(fc_usb);
524 err_kfree:
525         flexcop_device_kfree(fc);
526 success:
527         return ret;
528 }
529
530 static void flexcop_usb_disconnect(struct usb_interface *intf)
531 {
532         struct flexcop_usb *fc_usb = usb_get_intfdata(intf);
533         flexcop_usb_transfer_exit(fc_usb);
534         flexcop_device_exit(fc_usb->fc_dev);
535         flexcop_usb_exit(fc_usb);
536         flexcop_device_kfree(fc_usb->fc_dev);
537         info("%s successfully deinitialized and disconnected.",DRIVER_NAME);
538 }
539
540 static struct usb_device_id flexcop_usb_table [] = {
541             { USB_DEVICE(0x0af7, 0x0101) },
542             { }
543 };
544
545 /* usb specific object needed to register this driver with the usb subsystem */
546 static struct usb_driver flexcop_usb_driver = {
547         .name           = "b2c2_flexcop_usb",
548         .probe          = flexcop_usb_probe,
549         .disconnect = flexcop_usb_disconnect,
550         .id_table       = flexcop_usb_table,
551 };
552
553 /* module stuff */
554 static int __init flexcop_usb_module_init(void)
555 {
556         int result;
557         if ((result = usb_register(&flexcop_usb_driver))) {
558                 err("usb_register failed. (%d)",result);
559                 return result;
560         }
561
562         return 0;
563 }
564
565 static void __exit flexcop_usb_module_exit(void)
566 {
567         /* deregister this driver from the USB subsystem */
568         usb_deregister(&flexcop_usb_driver);
569 }
570
571 module_init(flexcop_usb_module_init);
572 module_exit(flexcop_usb_module_exit);
573
574 MODULE_AUTHOR(DRIVER_AUTHOR);
575 MODULE_DESCRIPTION(DRIVER_NAME);
576 MODULE_LICENSE("GPL");