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debugfs: Modified default dir of debugfs for debugging UHCI.
[linux/fpc-iii.git] / drivers / staging / go7007 / go7007-usb.c
blobaa4a9e0b995405fed2b485c5fba9f815087317e6
1 /*
2 * Copyright (C) 2005-2006 Micronas USA Inc.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License (Version 2) as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software Foundation,
15 * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
16 */
17
18 #include <linux/module.h>
19 #include <linux/kernel.h>
20 #include <linux/init.h>
21 #include <linux/wait.h>
22 #include <linux/list.h>
23 #include <linux/slab.h>
24 #include <linux/time.h>
25 #include <linux/mm.h>
26 #include <linux/usb.h>
27 #include <linux/i2c.h>
28 #include <asm/byteorder.h>
29 #include <media/tvaudio.h>
30
31 #include "go7007-priv.h"
32 #include "wis-i2c.h"
33
34 static unsigned int assume_endura;
35 module_param(assume_endura, int, 0644);
36 MODULE_PARM_DESC(assume_endura, "when probing fails, hardware is a Pelco Endura");
37
38 /* #define GO7007_USB_DEBUG */
39 /* #define GO7007_I2C_DEBUG */ /* for debugging the EZ-USB I2C adapter */
40
41 #define HPI_STATUS_ADDR 0xFFF4
42 #define INT_PARAM_ADDR 0xFFF6
43 #define INT_INDEX_ADDR 0xFFF8
44
45 /*
46 * Pipes on EZ-USB interface:
47 * 0 snd - Control
48 * 0 rcv - Control
49 * 2 snd - Download firmware (control)
50 * 4 rcv - Read Interrupt (interrupt)
51 * 6 rcv - Read Video (bulk)
52 * 8 rcv - Read Audio (bulk)
53 */
54
55 #define GO7007_USB_EZUSB (1<<0)
56 #define GO7007_USB_EZUSB_I2C (1<<1)
57
58 struct go7007_usb_board {
59 unsigned int flags;
60 struct go7007_board_info main_info;
61 };
62
63 struct go7007_usb {
64 struct go7007_usb_board *board;
65 struct semaphore i2c_lock;
66 struct usb_device *usbdev;
67 struct urb *video_urbs[8];
68 struct urb *audio_urbs[8];
69 struct urb *intr_urb;
70 };
71
72 /*********************** Product specification data ***********************/
73
74 static struct go7007_usb_board board_matrix_ii = {
75 .flags = GO7007_USB_EZUSB,
76 .main_info = {
77 .firmware = "go7007tv.bin",
78 .flags = GO7007_BOARD_HAS_AUDIO |
79 GO7007_BOARD_USE_ONBOARD_I2C,
80 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
81 GO7007_AUDIO_WORD_16,
82 .audio_rate = 48000,
83 .audio_bclk_div = 8,
84 .audio_main_div = 2,
85 .hpi_buffer_cap = 7,
86 .sensor_flags = GO7007_SENSOR_656 |
87 GO7007_SENSOR_VALID_ENABLE |
88 GO7007_SENSOR_TV |
89 GO7007_SENSOR_VBI |
90 GO7007_SENSOR_SCALING,
91 .num_i2c_devs = 1,
92 .i2c_devs = {
93 {
94 .type = "wis_saa7115",
95 .id = I2C_DRIVERID_WIS_SAA7115,
96 .addr = 0x20,
97 },
98 },
99 .num_inputs = 2,
100 .inputs = {
101 {
102 .video_input = 0,
103 .name = "Composite",
104 },
105 {
106 .video_input = 9,
107 .name = "S-Video",
108 },
109 },
110 },
111 };
112
113 static struct go7007_usb_board board_matrix_reload = {
114 .flags = GO7007_USB_EZUSB,
115 .main_info = {
116 .firmware = "go7007tv.bin",
117 .flags = GO7007_BOARD_HAS_AUDIO |
118 GO7007_BOARD_USE_ONBOARD_I2C,
119 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
120 GO7007_AUDIO_I2S_MASTER |
121 GO7007_AUDIO_WORD_16,
122 .audio_rate = 48000,
123 .audio_bclk_div = 8,
124 .audio_main_div = 2,
125 .hpi_buffer_cap = 7,
126 .sensor_flags = GO7007_SENSOR_656 |
127 GO7007_SENSOR_TV,
128 .num_i2c_devs = 1,
129 .i2c_devs = {
130 {
131 .type = "wis_saa7113",
132 .id = I2C_DRIVERID_WIS_SAA7113,
133 .addr = 0x25,
134 },
135 },
136 .num_inputs = 2,
137 .inputs = {
138 {
139 .video_input = 0,
140 .name = "Composite",
141 },
142 {
143 .video_input = 9,
144 .name = "S-Video",
145 },
146 },
147 },
148 };
149
150 static struct go7007_usb_board board_star_trek = {
151 .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
152 .main_info = {
153 .firmware = "go7007tv.bin",
154 .flags = GO7007_BOARD_HAS_AUDIO, /* |
155 GO7007_BOARD_HAS_TUNER, */
156 .sensor_flags = GO7007_SENSOR_656 |
157 GO7007_SENSOR_VALID_ENABLE |
158 GO7007_SENSOR_TV |
159 GO7007_SENSOR_VBI |
160 GO7007_SENSOR_SCALING,
161 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
162 GO7007_AUDIO_WORD_16,
163 .audio_bclk_div = 8,
164 .audio_main_div = 2,
165 .hpi_buffer_cap = 7,
166 .num_i2c_devs = 1,
167 .i2c_devs = {
168 {
169 .type = "wis_saa7115",
170 .id = I2C_DRIVERID_WIS_SAA7115,
171 .addr = 0x20,
172 },
173 },
174 .num_inputs = 2,
175 .inputs = {
176 {
177 .video_input = 1,
178 /* .audio_input = AUDIO_EXTERN, */
179 .name = "Composite",
180 },
181 {
182 .video_input = 8,
183 /* .audio_input = AUDIO_EXTERN, */
184 .name = "S-Video",
185 },
186 /* {
187 * .video_input = 3,
188 * .audio_input = AUDIO_TUNER,
189 * .name = "Tuner",
190 * },
191 */
192 },
193 },
194 };
195
196 static struct go7007_usb_board board_px_tv402u = {
197 .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
198 .main_info = {
199 .firmware = "go7007tv.bin",
200 .flags = GO7007_BOARD_HAS_AUDIO |
201 GO7007_BOARD_HAS_TUNER,
202 .sensor_flags = GO7007_SENSOR_656 |
203 GO7007_SENSOR_VALID_ENABLE |
204 GO7007_SENSOR_TV |
205 GO7007_SENSOR_VBI |
206 GO7007_SENSOR_SCALING,
207 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
208 GO7007_AUDIO_WORD_16,
209 .audio_bclk_div = 8,
210 .audio_main_div = 2,
211 .hpi_buffer_cap = 7,
212 .num_i2c_devs = 3,
213 .i2c_devs = {
214 {
215 .type = "wis_saa7115",
216 .id = I2C_DRIVERID_WIS_SAA7115,
217 .addr = 0x20,
218 },
219 {
220 .type = "wis_uda1342",
221 .id = I2C_DRIVERID_WIS_UDA1342,
222 .addr = 0x1a,
223 },
224 {
225 .type = "wis_sony_tuner",
226 .id = I2C_DRIVERID_WIS_SONY_TUNER,
227 .addr = 0x60,
228 },
229 },
230 .num_inputs = 3,
231 .inputs = {
232 {
233 .video_input = 1,
234 .audio_input = TVAUDIO_INPUT_EXTERN,
235 .name = "Composite",
236 },
237 {
238 .video_input = 8,
239 .audio_input = TVAUDIO_INPUT_EXTERN,
240 .name = "S-Video",
241 },
242 {
243 .video_input = 3,
244 .audio_input = TVAUDIO_INPUT_TUNER,
245 .name = "Tuner",
246 },
247 },
248 },
249 };
250
251 static struct go7007_usb_board board_xmen = {
252 .flags = 0,
253 .main_info = {
254 .firmware = "go7007tv.bin",
255 .flags = GO7007_BOARD_USE_ONBOARD_I2C,
256 .hpi_buffer_cap = 0,
257 .sensor_flags = GO7007_SENSOR_VREF_POLAR,
258 .sensor_width = 320,
259 .sensor_height = 240,
260 .sensor_framerate = 30030,
261 .audio_flags = GO7007_AUDIO_ONE_CHANNEL |
262 GO7007_AUDIO_I2S_MODE_3 |
263 GO7007_AUDIO_WORD_14 |
264 GO7007_AUDIO_I2S_MASTER |
265 GO7007_AUDIO_BCLK_POLAR |
266 GO7007_AUDIO_OKI_MODE,
267 .audio_rate = 8000,
268 .audio_bclk_div = 48,
269 .audio_main_div = 1,
270 .num_i2c_devs = 1,
271 .i2c_devs = {
272 {
273 .type = "wis_ov7640",
274 .id = I2C_DRIVERID_WIS_OV7640,
275 .addr = 0x21,
276 },
277 },
278 .num_inputs = 1,
279 .inputs = {
280 {
281 .name = "Camera",
282 },
283 },
284 },
285 };
286
287 static struct go7007_usb_board board_matrix_revolution = {
288 .flags = GO7007_USB_EZUSB,
289 .main_info = {
290 .firmware = "go7007tv.bin",
291 .flags = GO7007_BOARD_HAS_AUDIO |
292 GO7007_BOARD_USE_ONBOARD_I2C,
293 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
294 GO7007_AUDIO_I2S_MASTER |
295 GO7007_AUDIO_WORD_16,
296 .audio_rate = 48000,
297 .audio_bclk_div = 8,
298 .audio_main_div = 2,
299 .hpi_buffer_cap = 7,
300 .sensor_flags = GO7007_SENSOR_656 |
301 GO7007_SENSOR_TV |
302 GO7007_SENSOR_VBI,
303 .num_i2c_devs = 1,
304 .i2c_devs = {
305 {
306 .type = "wis_tw9903",
307 .id = I2C_DRIVERID_WIS_TW9903,
308 .addr = 0x44,
309 },
310 },
311 .num_inputs = 2,
312 .inputs = {
313 {
314 .video_input = 2,
315 .name = "Composite",
316 },
317 {
318 .video_input = 8,
319 .name = "S-Video",
320 },
321 },
322 },
323 };
324
325 static struct go7007_usb_board board_lifeview_lr192 = {
326 .flags = GO7007_USB_EZUSB,
327 .main_info = {
328 .firmware = "go7007tv.bin",
329 .flags = GO7007_BOARD_HAS_AUDIO |
330 GO7007_BOARD_USE_ONBOARD_I2C,
331 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
332 GO7007_AUDIO_WORD_16,
333 .audio_rate = 48000,
334 .audio_bclk_div = 8,
335 .audio_main_div = 2,
336 .hpi_buffer_cap = 7,
337 .sensor_flags = GO7007_SENSOR_656 |
338 GO7007_SENSOR_VALID_ENABLE |
339 GO7007_SENSOR_TV |
340 GO7007_SENSOR_VBI |
341 GO7007_SENSOR_SCALING,
342 .num_i2c_devs = 0,
343 .num_inputs = 1,
344 .inputs = {
345 {
346 .video_input = 0,
347 .name = "Composite",
348 },
349 },
350 },
351 };
352
353 static struct go7007_usb_board board_endura = {
354 .flags = 0,
355 .main_info = {
356 .firmware = "go7007tv.bin",
357 .flags = 0,
358 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
359 GO7007_AUDIO_I2S_MASTER |
360 GO7007_AUDIO_WORD_16,
361 .audio_rate = 8000,
362 .audio_bclk_div = 48,
363 .audio_main_div = 8,
364 .hpi_buffer_cap = 0,
365 .sensor_flags = GO7007_SENSOR_656 |
366 GO7007_SENSOR_TV,
367 .sensor_h_offset = 8,
368 .num_i2c_devs = 0,
369 .num_inputs = 1,
370 .inputs = {
371 {
372 .name = "Camera",
373 },
374 },
375 },
376 };
377
378 static struct go7007_usb_board board_adlink_mpg24 = {
379 .flags = 0,
380 .main_info = {
381 .firmware = "go7007tv.bin",
382 .flags = GO7007_BOARD_USE_ONBOARD_I2C,
383 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
384 GO7007_AUDIO_I2S_MASTER |
385 GO7007_AUDIO_WORD_16,
386 .audio_rate = 48000,
387 .audio_bclk_div = 8,
388 .audio_main_div = 2,
389 .hpi_buffer_cap = 0,
390 .sensor_flags = GO7007_SENSOR_656 |
391 GO7007_SENSOR_TV |
392 GO7007_SENSOR_VBI,
393 .num_i2c_devs = 1,
394 .i2c_devs = {
395 {
396 .type = "wis_twTW2804",
397 .id = I2C_DRIVERID_WIS_TW2804,
398 .addr = 0x00, /* yes, really */
399 },
400 },
401 .num_inputs = 1,
402 .inputs = {
403 {
404 .name = "Composite",
405 },
406 },
407 },
408 };
409
410 static struct go7007_usb_board board_sensoray_2250 = {
411 .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
412 .main_info = {
413 .firmware = "go7007tv.bin",
414 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
415 GO7007_AUDIO_I2S_MASTER |
416 GO7007_AUDIO_WORD_16,
417 .flags = GO7007_BOARD_HAS_AUDIO,
418 .audio_rate = 48000,
419 .audio_bclk_div = 8,
420 .audio_main_div = 2,
421 .hpi_buffer_cap = 7,
422 .sensor_flags = GO7007_SENSOR_656 |
423 GO7007_SENSOR_TV,
424 .num_i2c_devs = 1,
425 .i2c_devs = {
426 {
427 .type = "s2250_board",
428 .id = I2C_DRIVERID_S2250,
429 .addr = 0x43,
430 },
431 },
432 .num_inputs = 2,
433 .inputs = {
434 {
435 .video_input = 0,
436 .name = "Composite",
437 },
438 {
439 .video_input = 1,
440 .name = "S-Video",
441 },
442 },
443 },
444 };
445
446 static struct usb_device_id go7007_usb_id_table[] = {
447 {
448 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
449 USB_DEVICE_ID_MATCH_INT_INFO,
450 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
451 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
452 .bcdDevice_lo = 0x200, /* Revision number of XMen */
453 .bcdDevice_hi = 0x200,
454 .bInterfaceClass = 255,
455 .bInterfaceSubClass = 0,
456 .bInterfaceProtocol = 255,
457 .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN,
458 },
459 {
460 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
461 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
462 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
463 .bcdDevice_lo = 0x202, /* Revision number of Matrix II */
464 .bcdDevice_hi = 0x202,
465 .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_II,
466 },
467 {
468 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
469 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
470 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
471 .bcdDevice_lo = 0x204, /* Revision number of Matrix */
472 .bcdDevice_hi = 0x204, /* Reloaded */
473 .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_RELOAD,
474 },
475 {
476 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
477 USB_DEVICE_ID_MATCH_INT_INFO,
478 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
479 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
480 .bcdDevice_lo = 0x205, /* Revision number of XMen-II */
481 .bcdDevice_hi = 0x205,
482 .bInterfaceClass = 255,
483 .bInterfaceSubClass = 0,
484 .bInterfaceProtocol = 255,
485 .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN_II,
486 },
487 {
488 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
489 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
490 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
491 .bcdDevice_lo = 0x208, /* Revision number of Star Trek */
492 .bcdDevice_hi = 0x208,
493 .driver_info = (kernel_ulong_t)GO7007_BOARDID_STAR_TREK,
494 },
495 {
496 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
497 USB_DEVICE_ID_MATCH_INT_INFO,
498 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
499 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
500 .bcdDevice_lo = 0x209, /* Revision number of XMen-III */
501 .bcdDevice_hi = 0x209,
502 .bInterfaceClass = 255,
503 .bInterfaceSubClass = 0,
504 .bInterfaceProtocol = 255,
505 .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN_III,
506 },
507 {
508 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
509 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
510 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
511 .bcdDevice_lo = 0x210, /* Revision number of Matrix */
512 .bcdDevice_hi = 0x210, /* Revolution */
513 .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_REV,
514 },
515 {
516 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
517 .idVendor = 0x093b, /* Vendor ID of Plextor */
518 .idProduct = 0xa102, /* Product ID of M402U */
519 .bcdDevice_lo = 0x1, /* revision number of Blueberry */
520 .bcdDevice_hi = 0x1,
521 .driver_info = (kernel_ulong_t)GO7007_BOARDID_PX_M402U,
522 },
523 {
524 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
525 .idVendor = 0x093b, /* Vendor ID of Plextor */
526 .idProduct = 0xa104, /* Product ID of TV402U */
527 .bcdDevice_lo = 0x1,
528 .bcdDevice_hi = 0x1,
529 .driver_info = (kernel_ulong_t)GO7007_BOARDID_PX_TV402U_ANY,
530 },
531 {
532 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
533 .idVendor = 0x10fd, /* Vendor ID of Anubis Electronics */
534 .idProduct = 0xde00, /* Product ID of Lifeview LR192 */
535 .bcdDevice_lo = 0x1,
536 .bcdDevice_hi = 0x1,
537 .driver_info = (kernel_ulong_t)GO7007_BOARDID_LIFEVIEW_LR192,
538 },
539 {
540 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
541 .idVendor = 0x1943, /* Vendor ID Sensoray */
542 .idProduct = 0x2250, /* Product ID of 2250/2251 */
543 .bcdDevice_lo = 0x1,
544 .bcdDevice_hi = 0x1,
545 .driver_info = (kernel_ulong_t)GO7007_BOARDID_SENSORAY_2250,
546 },
547 { } /* Terminating entry */
548 };
549
550 MODULE_DEVICE_TABLE(usb, go7007_usb_id_table);
551
552 /********************* Driver for EZ-USB HPI interface *********************/
553
554 static int go7007_usb_vendor_request(struct go7007 *go, int request,
555 int value, int index, void *transfer_buffer, int length, int in)
556 {
557 struct go7007_usb *usb = go->hpi_context;
558 int timeout = 5000;
559
560 if (in) {
561 return usb_control_msg(usb->usbdev,
562 usb_rcvctrlpipe(usb->usbdev, 0), request,
563 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
564 value, index, transfer_buffer, length, timeout);
565 } else {
566 return usb_control_msg(usb->usbdev,
567 usb_sndctrlpipe(usb->usbdev, 0), request,
568 USB_TYPE_VENDOR | USB_RECIP_DEVICE,
569 value, index, transfer_buffer, length, timeout);
570 }
571 }
572
573 static int go7007_usb_interface_reset(struct go7007 *go)
574 {
575 struct go7007_usb *usb = go->hpi_context;
576 u16 intr_val, intr_data;
577
578 /* Reset encoder */
579 if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
580 return -1;
581 msleep(100);
582
583 if (usb->board->flags & GO7007_USB_EZUSB) {
584 /* Reset buffer in EZ-USB */
585 #ifdef GO7007_USB_DEBUG
586 printk(KERN_DEBUG "go7007-usb: resetting EZ-USB buffers\n");
587 #endif
588 if (go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0 ||
589 go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0)
590 return -1;
591
592 /* Reset encoder again */
593 if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
594 return -1;
595 msleep(100);
596 }
597
598 /* Wait for an interrupt to indicate successful hardware reset */
599 if (go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
600 (intr_val & ~0x1) != 0x55aa) {
601 printk(KERN_ERR
602 "go7007-usb: unable to reset the USB interface\n");
603 return -1;
604 }
605 return 0;
606 }
607
608 static int go7007_usb_ezusb_write_interrupt(struct go7007 *go,
609 int addr, int data)
610 {
611 struct go7007_usb *usb = go->hpi_context;
612 int i, r;
613 u16 status_reg;
614 int timeout = 500;
615
616 #ifdef GO7007_USB_DEBUG
617 printk(KERN_DEBUG
618 "go7007-usb: WriteInterrupt: %04x %04x\n", addr, data);
619 #endif
620
621 for (i = 0; i < 100; ++i) {
622 r = usb_control_msg(usb->usbdev,
623 usb_rcvctrlpipe(usb->usbdev, 0), 0x14,
624 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
625 0, HPI_STATUS_ADDR, &status_reg,
626 sizeof(status_reg), timeout);
627 if (r < 0)
628 goto write_int_error;
629 __le16_to_cpus(&status_reg);
630 if (!(status_reg & 0x0010))
631 break;
632 msleep(10);
633 }
634 if (i == 100) {
635 printk(KERN_ERR
636 "go7007-usb: device is hung, status reg = 0x%04x\n",
637 status_reg);
638 return -1;
639 }
640 r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0), 0x12,
641 USB_TYPE_VENDOR | USB_RECIP_DEVICE, data,
642 INT_PARAM_ADDR, NULL, 0, timeout);
643 if (r < 0)
644 goto write_int_error;
645 r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0),
646 0x12, USB_TYPE_VENDOR | USB_RECIP_DEVICE, addr,
647 INT_INDEX_ADDR, NULL, 0, timeout);
648 if (r < 0)
649 goto write_int_error;
650 return 0;
651
652 write_int_error:
653 printk(KERN_ERR "go7007-usb: error in WriteInterrupt: %d\n", r);
654 return r;
655 }
656
657 static int go7007_usb_onboard_write_interrupt(struct go7007 *go,
658 int addr, int data)
659 {
660 struct go7007_usb *usb = go->hpi_context;
661 u8 *tbuf;
662 int r;
663 int timeout = 500;
664
665 #ifdef GO7007_USB_DEBUG
666 printk(KERN_DEBUG
667 "go7007-usb: WriteInterrupt: %04x %04x\n", addr, data);
668 #endif
669
670 tbuf = kmalloc(8, GFP_KERNEL);
671 if (tbuf == NULL)
672 return -ENOMEM;
673 memset(tbuf, 0, 8);
674 tbuf[0] = data & 0xff;
675 tbuf[1] = data >> 8;
676 tbuf[2] = addr & 0xff;
677 tbuf[3] = addr >> 8;
678 r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 2), 0x00,
679 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0x55aa,
680 0xf0f0, tbuf, 8, timeout);
681 kfree(tbuf);
682 if (r < 0) {
683 printk(KERN_ERR "go7007-usb: error in WriteInterrupt: %d\n", r);
684 return r;
685 }
686 return 0;
687 }
688
689 static void go7007_usb_readinterrupt_complete(struct urb *urb)
690 {
691 struct go7007 *go = (struct go7007 *)urb->context;
692 u16 *regs = (u16 *)urb->transfer_buffer;
693 int status = urb->status;
694
695 if (status) {
696 if (status != -ESHUTDOWN &&
697 go->status != STATUS_SHUTDOWN) {
698 printk(KERN_ERR
699 "go7007-usb: error in read interrupt: %d\n",
700 urb->status);
701 } else {
702 wake_up(&go->interrupt_waitq);
703 return;
704 }
705 } else if (urb->actual_length != urb->transfer_buffer_length) {
706 printk(KERN_ERR "go7007-usb: short read in interrupt pipe!\n");
707 } else {
708 go->interrupt_available = 1;
709 go->interrupt_data = __le16_to_cpu(regs[0]);
710 go->interrupt_value = __le16_to_cpu(regs[1]);
711 #ifdef GO7007_USB_DEBUG
712 printk(KERN_DEBUG "go7007-usb: ReadInterrupt: %04x %04x\n",
713 go->interrupt_value, go->interrupt_data);
714 #endif
715 }
716
717 wake_up(&go->interrupt_waitq);
718 }
719
720 static int go7007_usb_read_interrupt(struct go7007 *go)
721 {
722 struct go7007_usb *usb = go->hpi_context;
723 int r;
724
725 r = usb_submit_urb(usb->intr_urb, GFP_KERNEL);
726 if (r < 0) {
727 printk(KERN_ERR
728 "go7007-usb: unable to submit interrupt urb: %d\n", r);
729 return r;
730 }
731 return 0;
732 }
733
734 static void go7007_usb_read_video_pipe_complete(struct urb *urb)
735 {
736 struct go7007 *go = (struct go7007 *)urb->context;
737 int r, status = urb-> status;
738
739 if (!go->streaming) {
740 wake_up_interruptible(&go->frame_waitq);
741 return;
742 }
743 if (status) {
744 printk(KERN_ERR "go7007-usb: error in video pipe: %d\n", status);
745 return;
746 }
747 if (urb->actual_length != urb->transfer_buffer_length) {
748 printk(KERN_ERR "go7007-usb: short read in video pipe!\n");
749 return;
750 }
751 go7007_parse_video_stream(go, urb->transfer_buffer, urb->actual_length);
752 r = usb_submit_urb(urb, GFP_ATOMIC);
753 if (r < 0)
754 printk(KERN_ERR "go7007-usb: error in video pipe: %d\n", r);
755 }
756
757 static void go7007_usb_read_audio_pipe_complete(struct urb *urb)
758 {
759 struct go7007 *go = (struct go7007 *)urb->context;
760 int r, status = urb->status;
761
762 if (!go->streaming)
763 return;
764 if (status) {
765 printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n", status);
766 return;
767 }
768 if (urb->actual_length != urb->transfer_buffer_length) {
769 printk(KERN_ERR "go7007-usb: short read in audio pipe!\n");
770 return;
771 }
772 if (go->audio_deliver != NULL)
773 go->audio_deliver(go, urb->transfer_buffer, urb->actual_length);
774 r = usb_submit_urb(urb, GFP_ATOMIC);
775 if (r < 0)
776 printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n", r);
777 }
778
779 static int go7007_usb_stream_start(struct go7007 *go)
780 {
781 struct go7007_usb *usb = go->hpi_context;
782 int i, r;
783
784 for (i = 0; i < 8; ++i) {
785 r = usb_submit_urb(usb->video_urbs[i], GFP_KERNEL);
786 if (r < 0) {
787 printk(KERN_ERR "go7007-usb: error submitting video "
788 "urb %d: %d\n", i, r);
789 goto video_submit_failed;
790 }
791 }
792 if (!go->audio_enabled)
793 return 0;
794
795 for (i = 0; i < 8; ++i) {
796 r = usb_submit_urb(usb->audio_urbs[i], GFP_KERNEL);
797 if (r < 0) {
798 printk(KERN_ERR "go7007-usb: error submitting audio "
799 "urb %d: %d\n", i, r);
800 goto audio_submit_failed;
801 }
802 }
803 return 0;
804
805 audio_submit_failed:
806 for (i = 0; i < 7; ++i)
807 usb_kill_urb(usb->audio_urbs[i]);
808 video_submit_failed:
809 for (i = 0; i < 8; ++i)
810 usb_kill_urb(usb->video_urbs[i]);
811 return -1;
812 }
813
814 static int go7007_usb_stream_stop(struct go7007 *go)
815 {
816 struct go7007_usb *usb = go->hpi_context;
817 int i;
818
819 if (go->status == STATUS_SHUTDOWN)
820 return 0;
821 for (i = 0; i < 8; ++i)
822 usb_kill_urb(usb->video_urbs[i]);
823 if (go->audio_enabled)
824 for (i = 0; i < 8; ++i)
825 usb_kill_urb(usb->audio_urbs[i]);
826 return 0;
827 }
828
829 static int go7007_usb_send_firmware(struct go7007 *go, u8 *data, int len)
830 {
831 struct go7007_usb *usb = go->hpi_context;
832 int transferred, pipe;
833 int timeout = 500;
834
835 #ifdef GO7007_USB_DEBUG
836 printk(KERN_DEBUG "go7007-usb: DownloadBuffer sending %d bytes\n", len);
837 #endif
838
839 if (usb->board->flags & GO7007_USB_EZUSB)
840 pipe = usb_sndbulkpipe(usb->usbdev, 2);
841 else
842 pipe = usb_sndbulkpipe(usb->usbdev, 3);
843
844 return usb_bulk_msg(usb->usbdev, pipe, data, len,
845 &transferred, timeout);
846 }
847
848 static struct go7007_hpi_ops go7007_usb_ezusb_hpi_ops = {
849 .interface_reset = go7007_usb_interface_reset,
850 .write_interrupt = go7007_usb_ezusb_write_interrupt,
851 .read_interrupt = go7007_usb_read_interrupt,
852 .stream_start = go7007_usb_stream_start,
853 .stream_stop = go7007_usb_stream_stop,
854 .send_firmware = go7007_usb_send_firmware,
855 };
856
857 static struct go7007_hpi_ops go7007_usb_onboard_hpi_ops = {
858 .interface_reset = go7007_usb_interface_reset,
859 .write_interrupt = go7007_usb_onboard_write_interrupt,
860 .read_interrupt = go7007_usb_read_interrupt,
861 .stream_start = go7007_usb_stream_start,
862 .stream_stop = go7007_usb_stream_stop,
863 .send_firmware = go7007_usb_send_firmware,
864 };
865
866 /********************* Driver for EZ-USB I2C adapter *********************/
867
868 static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
869 struct i2c_msg msgs[], int num)
870 {
871 struct go7007 *go = i2c_get_adapdata(adapter);
872 struct go7007_usb *usb = go->hpi_context;
873 u8 buf[16];
874 int buf_len, i;
875 int ret = -1;
876
877 if (go->status == STATUS_SHUTDOWN)
878 return -1;
879
880 down(&usb->i2c_lock);
881
882 for (i = 0; i < num; ++i) {
883 /* The hardware command is "write some bytes then read some
884 * bytes", so we try to coalesce a write followed by a read
885 * into a single USB transaction */
886 if (i + 1 < num && msgs[i].addr == msgs[i + 1].addr &&
887 !(msgs[i].flags & I2C_M_RD) &&
888 (msgs[i + 1].flags & I2C_M_RD)) {
889 #ifdef GO7007_I2C_DEBUG
890 printk(KERN_DEBUG "go7007-usb: i2c write/read %d/%d "
891 "bytes on %02x\n", msgs[i].len,
892 msgs[i + 1].len, msgs[i].addr);
893 #endif
894 buf[0] = 0x01;
895 buf[1] = msgs[i].len + 1;
896 buf[2] = msgs[i].addr << 1;
897 memcpy(&buf[3], msgs[i].buf, msgs[i].len);
898 buf_len = msgs[i].len + 3;
899 buf[buf_len++] = msgs[++i].len;
900 } else if (msgs[i].flags & I2C_M_RD) {
901 #ifdef GO7007_I2C_DEBUG
902 printk(KERN_DEBUG "go7007-usb: i2c read %d "
903 "bytes on %02x\n", msgs[i].len,
904 msgs[i].addr);
905 #endif
906 buf[0] = 0x01;
907 buf[1] = 1;
908 buf[2] = msgs[i].addr << 1;
909 buf[3] = msgs[i].len;
910 buf_len = 4;
911 } else {
912 #ifdef GO7007_I2C_DEBUG
913 printk(KERN_DEBUG "go7007-usb: i2c write %d "
914 "bytes on %02x\n", msgs[i].len,
915 msgs[i].addr);
916 #endif
917 buf[0] = 0x00;
918 buf[1] = msgs[i].len + 1;
919 buf[2] = msgs[i].addr << 1;
920 memcpy(&buf[3], msgs[i].buf, msgs[i].len);
921 buf_len = msgs[i].len + 3;
922 buf[buf_len++] = 0;
923 }
924 if (go7007_usb_vendor_request(go, 0x24, 0, 0,
925 buf, buf_len, 0) < 0)
926 goto i2c_done;
927 if (msgs[i].flags & I2C_M_RD) {
928 memset(buf, 0, sizeof(buf));
929 if (go7007_usb_vendor_request(go, 0x25, 0, 0, buf,
930 msgs[i].len + 1, 1) < 0)
931 goto i2c_done;
932 memcpy(msgs[i].buf, buf + 1, msgs[i].len);
933 }
934 }
935 ret = 0;
936
937 i2c_done:
938 up(&usb->i2c_lock);
939 return ret;
940 }
941
942 static u32 go7007_usb_functionality(struct i2c_adapter *adapter)
943 {
944 /* No errors are reported by the hardware, so we don't bother
945 * supporting quick writes to avoid confusing probing */
946 return (I2C_FUNC_SMBUS_EMUL) & ~I2C_FUNC_SMBUS_QUICK;
947 }
948
949 static struct i2c_algorithm go7007_usb_algo = {
950 .master_xfer = go7007_usb_i2c_master_xfer,
951 .functionality = go7007_usb_functionality,
952 };
953
954 static struct i2c_adapter go7007_usb_adap_templ = {
955 .owner = THIS_MODULE,
956 .name = "WIS GO7007SB EZ-USB",
957 .algo = &go7007_usb_algo,
958 };
959
960 /********************* USB add/remove functions *********************/
961
962 static int go7007_usb_probe(struct usb_interface *intf,
963 const struct usb_device_id *id)
964 {
965 struct go7007 *go;
966 struct go7007_usb *usb;
967 struct go7007_usb_board *board;
968 struct usb_device *usbdev = interface_to_usbdev(intf);
969 char *name;
970 int video_pipe, i, v_urb_len;
971
972 printk(KERN_DEBUG "go7007-usb: probing new GO7007 USB board\n");
973
974 switch (id->driver_info) {
975 case GO7007_BOARDID_MATRIX_II:
976 name = "WIS Matrix II or compatible";
977 board = &board_matrix_ii;
978 break;
979 case GO7007_BOARDID_MATRIX_RELOAD:
980 name = "WIS Matrix Reloaded or compatible";
981 board = &board_matrix_reload;
982 break;
983 case GO7007_BOARDID_MATRIX_REV:
984 name = "WIS Matrix Revolution or compatible";
985 board = &board_matrix_revolution;
986 break;
987 case GO7007_BOARDID_STAR_TREK:
988 name = "WIS Star Trek or compatible";
989 board = &board_star_trek;
990 break;
991 case GO7007_BOARDID_XMEN:
992 name = "WIS XMen or compatible";
993 board = &board_xmen;
994 break;
995 case GO7007_BOARDID_XMEN_II:
996 name = "WIS XMen II or compatible";
997 board = &board_xmen;
998 break;
999 case GO7007_BOARDID_XMEN_III:
1000 name = "WIS XMen III or compatible";
1001 board = &board_xmen;
1002 break;
1003 case GO7007_BOARDID_PX_M402U:
1004 name = "Plextor PX-M402U";
1005 board = &board_matrix_ii;
1006 break;
1007 case GO7007_BOARDID_PX_TV402U_ANY:
1008 name = "Plextor PX-TV402U (unknown tuner)";
1009 board = &board_px_tv402u;
1010 break;
1011 case GO7007_BOARDID_LIFEVIEW_LR192:
1012 printk(KERN_ERR "go7007-usb: The Lifeview TV Walker Ultra "
1013 "is not supported. Sorry!\n");
1014 return 0;
1015 name = "Lifeview TV Walker Ultra";
1016 board = &board_lifeview_lr192;
1017 break;
1018 case GO7007_BOARDID_SENSORAY_2250:
1019 printk(KERN_INFO "Sensoray 2250 found\n");
1020 name = "Sensoray 2250/2251\n";
1021 board = &board_sensoray_2250;
1022 break;
1023 default:
1024 printk(KERN_ERR "go7007-usb: unknown board ID %d!\n",
1025 (unsigned int)id->driver_info);
1026 return 0;
1027 }
1028
1029 usb = kzalloc(sizeof(struct go7007_usb), GFP_KERNEL);
1030 if (usb == NULL)
1031 return -ENOMEM;
1032
1033 /* Allocate the URB and buffer for receiving incoming interrupts */
1034 usb->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
1035 if (usb->intr_urb == NULL)
1036 goto allocfail;
1037 usb->intr_urb->transfer_buffer = kmalloc(2*sizeof(u16), GFP_KERNEL);
1038 if (usb->intr_urb->transfer_buffer == NULL)
1039 goto allocfail;
1040
1041 go = go7007_alloc(&board->main_info, &intf->dev);
1042 if (go == NULL)
1043 goto allocfail;
1044 usb->board = board;
1045 usb->usbdev = usbdev;
1046 go->board_id = id->driver_info;
1047 strncpy(go->name, name, sizeof(go->name));
1048 if (board->flags & GO7007_USB_EZUSB)
1049 go->hpi_ops = &go7007_usb_ezusb_hpi_ops;
1050 else
1051 go->hpi_ops = &go7007_usb_onboard_hpi_ops;
1052 go->hpi_context = usb;
1053 usb_fill_int_urb(usb->intr_urb, usb->usbdev,
1054 usb_rcvintpipe(usb->usbdev, 4),
1055 usb->intr_urb->transfer_buffer, 2*sizeof(u16),
1056 go7007_usb_readinterrupt_complete, go, 8);
1057 usb_set_intfdata(intf, go);
1058
1059 /* Boot the GO7007 */
1060 if (go7007_boot_encoder(go, go->board_info->flags &
1061 GO7007_BOARD_USE_ONBOARD_I2C) < 0)
1062 goto initfail;
1063
1064 /* Register the EZ-USB I2C adapter, if we're using it */
1065 if (board->flags & GO7007_USB_EZUSB_I2C) {
1066 memcpy(&go->i2c_adapter, &go7007_usb_adap_templ,
1067 sizeof(go7007_usb_adap_templ));
1068 init_MUTEX(&usb->i2c_lock);
1069 go->i2c_adapter.dev.parent = go->dev;
1070 i2c_set_adapdata(&go->i2c_adapter, go);
1071 if (i2c_add_adapter(&go->i2c_adapter) < 0) {
1072 printk(KERN_ERR
1073 "go7007-usb: error: i2c_add_adapter failed\n");
1074 goto initfail;
1075 }
1076 go->i2c_adapter_online = 1;
1077 }
1078
1079 /* Pelco and Adlink reused the XMen and XMen-III vendor and product
1080 * IDs for their own incompatible designs. We can detect XMen boards
1081 * by probing the sensor, but there is no way to probe the sensors on
1082 * the Pelco and Adlink designs so we default to the Adlink. If it
1083 * is actually a Pelco, the user must set the assume_endura module
1084 * parameter. */
1085 if ((go->board_id == GO7007_BOARDID_XMEN ||
1086 go->board_id == GO7007_BOARDID_XMEN_III) &&
1087 go->i2c_adapter_online) {
1088 union i2c_smbus_data data;
1089
1090 /* Check to see if register 0x0A is 0x76 */
1091 i2c_smbus_xfer(&go->i2c_adapter, 0x21, I2C_CLIENT_SCCB,
1092 I2C_SMBUS_READ, 0x0A, I2C_SMBUS_BYTE_DATA, &data);
1093 if (data.byte != 0x76) {
1094 if (assume_endura) {
1095 go->board_id = GO7007_BOARDID_ENDURA;
1096 usb->board = board = &board_endura;
1097 go->board_info = &board->main_info;
1098 strncpy(go->name, "Pelco Endura",
1099 sizeof(go->name));
1100 } else {
1101 u16 channel;
1102
1103 /* set GPIO5 to be an output, currently low */
1104 go7007_write_addr(go, 0x3c82, 0x0000);
1105 go7007_write_addr(go, 0x3c80, 0x00df);
1106 /* read channel number from GPIO[1:0] */
1107 go7007_read_addr(go, 0x3c81, &channel);
1108 channel &= 0x3;
1109 go->board_id = GO7007_BOARDID_ADLINK_MPG24;
1110 usb->board = board = &board_adlink_mpg24;
1111 go->board_info = &board->main_info;
1112 go->channel_number = channel;
1113 snprintf(go->name, sizeof(go->name),
1114 "Adlink PCI-MPG24, channel #%d",
1115 channel);
1116 }
1117 }
1118 }
1119
1120 /* Probe the tuner model on the TV402U */
1121 if (go->board_id == GO7007_BOARDID_PX_TV402U_ANY) {
1122 u8 data[3];
1123
1124 /* Board strapping indicates tuner model */
1125 if (go7007_usb_vendor_request(go, 0x41, 0, 0, data, 3, 1) < 0) {
1126 printk(KERN_ERR "go7007-usb: GPIO read failed!\n");
1127 goto initfail;
1128 }
1129 switch (data[0] >> 6) {
1130 case 1:
1131 go->board_id = GO7007_BOARDID_PX_TV402U_EU;
1132 go->tuner_type = TUNER_SONY_BTF_PG472Z;
1133 strncpy(go->name, "Plextor PX-TV402U-EU",
1134 sizeof(go->name));
1135 break;
1136 case 2:
1137 go->board_id = GO7007_BOARDID_PX_TV402U_JP;
1138 go->tuner_type = TUNER_SONY_BTF_PK467Z;
1139 strncpy(go->name, "Plextor PX-TV402U-JP",
1140 sizeof(go->name));
1141 break;
1142 case 3:
1143 go->board_id = GO7007_BOARDID_PX_TV402U_NA;
1144 go->tuner_type = TUNER_SONY_BTF_PB463Z;
1145 strncpy(go->name, "Plextor PX-TV402U-NA",
1146 sizeof(go->name));
1147 break;
1148 default:
1149 printk(KERN_DEBUG "go7007-usb: unable to detect "
1150 "tuner type!\n");
1151 break;
1152 }
1153 /* Configure tuner mode selection inputs connected
1154 * to the EZ-USB GPIO output pins */
1155 if (go7007_usb_vendor_request(go, 0x40, 0x7f02, 0,
1156 NULL, 0, 0) < 0) {
1157 printk(KERN_ERR
1158 "go7007-usb: GPIO write failed!\n");
1159 goto initfail;
1160 }
1161 }
1162
1163 /* Print a nasty message if the user attempts to use a USB2.0 device in
1164 * a USB1.1 port. There will be silent corruption of the stream. */
1165 if ((board->flags & GO7007_USB_EZUSB) &&
1166 usbdev->speed != USB_SPEED_HIGH)
1167 printk(KERN_ERR "go7007-usb: *** WARNING *** This device "
1168 "must be connected to a USB 2.0 port! "
1169 "Attempting to capture video through a USB 1.1 "
1170 "port will result in stream corruption, even "
1171 "at low bitrates!\n");
1172
1173 /* Do any final GO7007 initialization, then register the
1174 * V4L2 and ALSA interfaces */
1175 if (go7007_register_encoder(go) < 0)
1176 goto initfail;
1177
1178 /* Allocate the URBs and buffers for receiving the video stream */
1179 if (board->flags & GO7007_USB_EZUSB) {
1180 v_urb_len = 1024;
1181 video_pipe = usb_rcvbulkpipe(usb->usbdev, 6);
1182 } else {
1183 v_urb_len = 512;
1184 video_pipe = usb_rcvbulkpipe(usb->usbdev, 1);
1185 }
1186 for (i = 0; i < 8; ++i) {
1187 usb->video_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1188 if (usb->video_urbs[i] == NULL)
1189 goto initfail;
1190 usb->video_urbs[i]->transfer_buffer =
1191 kmalloc(v_urb_len, GFP_KERNEL);
1192 if (usb->video_urbs[i]->transfer_buffer == NULL)
1193 goto initfail;
1194 usb_fill_bulk_urb(usb->video_urbs[i], usb->usbdev, video_pipe,
1195 usb->video_urbs[i]->transfer_buffer, v_urb_len,
1196 go7007_usb_read_video_pipe_complete, go);
1197 }
1198
1199 /* Allocate the URBs and buffers for receiving the audio stream */
1200 if ((board->flags & GO7007_USB_EZUSB) && go->audio_enabled)
1201 for (i = 0; i < 8; ++i) {
1202 usb->audio_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1203 if (usb->audio_urbs[i] == NULL)
1204 goto initfail;
1205 usb->audio_urbs[i]->transfer_buffer = kmalloc(4096,
1206 GFP_KERNEL);
1207 if (usb->audio_urbs[i]->transfer_buffer == NULL)
1208 goto initfail;
1209 usb_fill_bulk_urb(usb->audio_urbs[i], usb->usbdev,
1210 usb_rcvbulkpipe(usb->usbdev, 8),
1211 usb->audio_urbs[i]->transfer_buffer, 4096,
1212 go7007_usb_read_audio_pipe_complete, go);
1213 }
1214
1215
1216 go->status = STATUS_ONLINE;
1217 return 0;
1218
1219 initfail:
1220 go->status = STATUS_SHUTDOWN;
1221 return 0;
1222
1223 allocfail:
1224 if (usb->intr_urb) {
1225 kfree(usb->intr_urb->transfer_buffer);
1226 usb_free_urb(usb->intr_urb);
1227 }
1228 kfree(usb);
1229 return -ENOMEM;
1230 }
1231
1232 static void go7007_usb_disconnect(struct usb_interface *intf)
1233 {
1234 struct go7007 *go = usb_get_intfdata(intf);
1235 struct go7007_usb *usb = go->hpi_context;
1236 struct urb *vurb, *aurb;
1237 int i;
1238
1239 go->status = STATUS_SHUTDOWN;
1240 usb_kill_urb(usb->intr_urb);
1241
1242 /* Free USB-related structs */
1243 for (i = 0; i < 8; ++i) {
1244 vurb = usb->video_urbs[i];
1245 if (vurb) {
1246 usb_kill_urb(vurb);
1247 if (vurb->transfer_buffer)
1248 kfree(vurb->transfer_buffer);
1249 usb_free_urb(vurb);
1250 }
1251 aurb = usb->audio_urbs[i];
1252 if (aurb) {
1253 usb_kill_urb(aurb);
1254 if (aurb->transfer_buffer)
1255 kfree(aurb->transfer_buffer);
1256 usb_free_urb(aurb);
1257 }
1258 }
1259 kfree(usb->intr_urb->transfer_buffer);
1260 usb_free_urb(usb->intr_urb);
1261
1262 kfree(go->hpi_context);
1263
1264 go7007_remove(go);
1265 }
1266
1267 static struct usb_driver go7007_usb_driver = {
1268 .name = "go7007",
1269 .probe = go7007_usb_probe,
1270 .disconnect = go7007_usb_disconnect,
1271 .id_table = go7007_usb_id_table,
1272 };
1273
1274 static int __init go7007_usb_init(void)
1275 {
1276 return usb_register(&go7007_usb_driver);
1277 }
1278
1279 static void __exit go7007_usb_cleanup(void)
1280 {
1281 usb_deregister(&go7007_usb_driver);
1282 }
1283
1284 module_init(go7007_usb_init);
1285 module_exit(go7007_usb_cleanup);
1286
1287 MODULE_LICENSE("GPL v2");
Linux with added FPC-III support