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perf tools: Don't clone maps from parent when synthesizing forks
[linux/fpc-iii.git] / drivers / media / usb / go7007 / go7007-usb.c
blob19c6a0354ce000fa848b4ac154f0a731cd8b6b9c
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
14 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
15
16 #include <linux/module.h>
17 #include <linux/kernel.h>
18 #include <linux/wait.h>
19 #include <linux/list.h>
20 #include <linux/slab.h>
21 #include <linux/time.h>
22 #include <linux/mm.h>
23 #include <linux/usb.h>
24 #include <linux/i2c.h>
25 #include <asm/byteorder.h>
26 #include <media/i2c/saa7115.h>
27 #include <media/tuner.h>
28 #include <media/i2c/uda1342.h>
29
30 #include "go7007-priv.h"
31
32 static unsigned int assume_endura;
33 module_param(assume_endura, int, 0644);
34 MODULE_PARM_DESC(assume_endura,
35 "when probing fails, hardware is a Pelco Endura");
36
37 /* #define GO7007_I2C_DEBUG */ /* for debugging the EZ-USB I2C adapter */
38
39 #define HPI_STATUS_ADDR 0xFFF4
40 #define INT_PARAM_ADDR 0xFFF6
41 #define INT_INDEX_ADDR 0xFFF8
42
43 /*
44 * Pipes on EZ-USB interface:
45 * 0 snd - Control
46 * 0 rcv - Control
47 * 2 snd - Download firmware (control)
48 * 4 rcv - Read Interrupt (interrupt)
49 * 6 rcv - Read Video (bulk)
50 * 8 rcv - Read Audio (bulk)
51 */
52
53 #define GO7007_USB_EZUSB (1<<0)
54 #define GO7007_USB_EZUSB_I2C (1<<1)
55
56 struct go7007_usb_board {
57 unsigned int flags;
58 struct go7007_board_info main_info;
59 };
60
61 struct go7007_usb {
62 const struct go7007_usb_board *board;
63 struct mutex i2c_lock;
64 struct usb_device *usbdev;
65 struct urb *video_urbs[8];
66 struct urb *audio_urbs[8];
67 struct urb *intr_urb;
68 };
69
70 /*********************** Product specification data ***********************/
71
72 static const struct go7007_usb_board board_matrix_ii = {
73 .flags = GO7007_USB_EZUSB,
74 .main_info = {
75 .flags = GO7007_BOARD_HAS_AUDIO |
76 GO7007_BOARD_USE_ONBOARD_I2C,
77 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
78 GO7007_AUDIO_WORD_16,
79 .audio_rate = 48000,
80 .audio_bclk_div = 8,
81 .audio_main_div = 2,
82 .hpi_buffer_cap = 7,
83 .sensor_flags = GO7007_SENSOR_656 |
84 GO7007_SENSOR_VALID_ENABLE |
85 GO7007_SENSOR_TV |
86 GO7007_SENSOR_SAA7115 |
87 GO7007_SENSOR_VBI |
88 GO7007_SENSOR_SCALING,
89 .num_i2c_devs = 1,
90 .i2c_devs = {
91 {
92 .type = "saa7115",
93 .addr = 0x20,
94 .is_video = 1,
95 },
96 },
97 .num_inputs = 2,
98 .inputs = {
99 {
100 .video_input = 0,
101 .name = "Composite",
102 },
103 {
104 .video_input = 9,
105 .name = "S-Video",
106 },
107 },
108 .video_config = SAA7115_IDQ_IS_DEFAULT,
109 },
110 };
111
112 static const struct go7007_usb_board board_matrix_reload = {
113 .flags = GO7007_USB_EZUSB,
114 .main_info = {
115 .flags = GO7007_BOARD_HAS_AUDIO |
116 GO7007_BOARD_USE_ONBOARD_I2C,
117 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
118 GO7007_AUDIO_I2S_MASTER |
119 GO7007_AUDIO_WORD_16,
120 .audio_rate = 48000,
121 .audio_bclk_div = 8,
122 .audio_main_div = 2,
123 .hpi_buffer_cap = 7,
124 .sensor_flags = GO7007_SENSOR_656 |
125 GO7007_SENSOR_TV,
126 .num_i2c_devs = 1,
127 .i2c_devs = {
128 {
129 .type = "saa7113",
130 .addr = 0x25,
131 .is_video = 1,
132 },
133 },
134 .num_inputs = 2,
135 .inputs = {
136 {
137 .video_input = 0,
138 .name = "Composite",
139 },
140 {
141 .video_input = 9,
142 .name = "S-Video",
143 },
144 },
145 .video_config = SAA7115_IDQ_IS_DEFAULT,
146 },
147 };
148
149 static const struct go7007_usb_board board_star_trek = {
150 .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
151 .main_info = {
152 .flags = GO7007_BOARD_HAS_AUDIO, /* |
153 GO7007_BOARD_HAS_TUNER, */
154 .sensor_flags = GO7007_SENSOR_656 |
155 GO7007_SENSOR_VALID_ENABLE |
156 GO7007_SENSOR_TV |
157 GO7007_SENSOR_SAA7115 |
158 GO7007_SENSOR_VBI |
159 GO7007_SENSOR_SCALING,
160 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
161 GO7007_AUDIO_WORD_16,
162 .audio_bclk_div = 8,
163 .audio_main_div = 2,
164 .hpi_buffer_cap = 7,
165 .num_i2c_devs = 1,
166 .i2c_devs = {
167 {
168 .type = "saa7115",
169 .addr = 0x20,
170 .is_video = 1,
171 },
172 },
173 .num_inputs = 2,
174 .inputs = {
175 /* {
176 * .video_input = 3,
177 * .audio_index = AUDIO_TUNER,
178 * .name = "Tuner",
179 * },
180 */
181 {
182 .video_input = 1,
183 /* .audio_index = AUDIO_EXTERN, */
184 .name = "Composite",
185 },
186 {
187 .video_input = 8,
188 /* .audio_index = AUDIO_EXTERN, */
189 .name = "S-Video",
190 },
191 },
192 .video_config = SAA7115_IDQ_IS_DEFAULT,
193 },
194 };
195
196 static const struct go7007_usb_board board_px_tv402u = {
197 .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
198 .main_info = {
199 .flags = GO7007_BOARD_HAS_AUDIO |
200 GO7007_BOARD_HAS_TUNER,
201 .sensor_flags = GO7007_SENSOR_656 |
202 GO7007_SENSOR_VALID_ENABLE |
203 GO7007_SENSOR_TV |
204 GO7007_SENSOR_SAA7115 |
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 = 5,
213 .i2c_devs = {
214 {
215 .type = "saa7115",
216 .addr = 0x20,
217 .is_video = 1,
218 },
219 {
220 .type = "uda1342",
221 .addr = 0x1a,
222 .is_audio = 1,
223 },
224 {
225 .type = "tuner",
226 .addr = 0x60,
227 },
228 {
229 .type = "tuner",
230 .addr = 0x43,
231 },
232 {
233 .type = "sony-btf-mpx",
234 .addr = 0x44,
235 },
236 },
237 .num_inputs = 3,
238 .inputs = {
239 {
240 .video_input = 3,
241 .audio_index = 0,
242 .name = "Tuner",
243 },
244 {
245 .video_input = 1,
246 .audio_index = 1,
247 .name = "Composite",
248 },
249 {
250 .video_input = 8,
251 .audio_index = 1,
252 .name = "S-Video",
253 },
254 },
255 .video_config = SAA7115_IDQ_IS_DEFAULT,
256 .num_aud_inputs = 2,
257 .aud_inputs = {
258 {
259 .audio_input = UDA1342_IN2,
260 .name = "Tuner",
261 },
262 {
263 .audio_input = UDA1342_IN1,
264 .name = "Line In",
265 },
266 },
267 },
268 };
269
270 static const struct go7007_usb_board board_xmen = {
271 .flags = 0,
272 .main_info = {
273 .flags = GO7007_BOARD_USE_ONBOARD_I2C,
274 .hpi_buffer_cap = 0,
275 .sensor_flags = GO7007_SENSOR_VREF_POLAR,
276 .sensor_width = 320,
277 .sensor_height = 240,
278 .sensor_framerate = 30030,
279 .audio_flags = GO7007_AUDIO_ONE_CHANNEL |
280 GO7007_AUDIO_I2S_MODE_3 |
281 GO7007_AUDIO_WORD_14 |
282 GO7007_AUDIO_I2S_MASTER |
283 GO7007_AUDIO_BCLK_POLAR |
284 GO7007_AUDIO_OKI_MODE,
285 .audio_rate = 8000,
286 .audio_bclk_div = 48,
287 .audio_main_div = 1,
288 .num_i2c_devs = 1,
289 .i2c_devs = {
290 {
291 .type = "ov7640",
292 .addr = 0x21,
293 },
294 },
295 .num_inputs = 1,
296 .inputs = {
297 {
298 .name = "Camera",
299 },
300 },
301 },
302 };
303
304 static const struct go7007_usb_board board_matrix_revolution = {
305 .flags = GO7007_USB_EZUSB,
306 .main_info = {
307 .flags = GO7007_BOARD_HAS_AUDIO |
308 GO7007_BOARD_USE_ONBOARD_I2C,
309 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
310 GO7007_AUDIO_I2S_MASTER |
311 GO7007_AUDIO_WORD_16,
312 .audio_rate = 48000,
313 .audio_bclk_div = 8,
314 .audio_main_div = 2,
315 .hpi_buffer_cap = 7,
316 .sensor_flags = GO7007_SENSOR_656 |
317 GO7007_SENSOR_TV |
318 GO7007_SENSOR_VBI,
319 .num_i2c_devs = 1,
320 .i2c_devs = {
321 {
322 .type = "tw9903",
323 .is_video = 1,
324 .addr = 0x44,
325 },
326 },
327 .num_inputs = 2,
328 .inputs = {
329 {
330 .video_input = 2,
331 .name = "Composite",
332 },
333 {
334 .video_input = 8,
335 .name = "S-Video",
336 },
337 },
338 },
339 };
340
341 #if 0
342 static const struct go7007_usb_board board_lifeview_lr192 = {
343 .flags = GO7007_USB_EZUSB,
344 .main_info = {
345 .flags = GO7007_BOARD_HAS_AUDIO |
346 GO7007_BOARD_USE_ONBOARD_I2C,
347 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
348 GO7007_AUDIO_WORD_16,
349 .audio_rate = 48000,
350 .audio_bclk_div = 8,
351 .audio_main_div = 2,
352 .hpi_buffer_cap = 7,
353 .sensor_flags = GO7007_SENSOR_656 |
354 GO7007_SENSOR_VALID_ENABLE |
355 GO7007_SENSOR_TV |
356 GO7007_SENSOR_VBI |
357 GO7007_SENSOR_SCALING,
358 .num_i2c_devs = 0,
359 .num_inputs = 1,
360 .inputs = {
361 {
362 .video_input = 0,
363 .name = "Composite",
364 },
365 },
366 },
367 };
368 #endif
369
370 static const struct go7007_usb_board board_endura = {
371 .flags = 0,
372 .main_info = {
373 .flags = 0,
374 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
375 GO7007_AUDIO_I2S_MASTER |
376 GO7007_AUDIO_WORD_16,
377 .audio_rate = 8000,
378 .audio_bclk_div = 48,
379 .audio_main_div = 8,
380 .hpi_buffer_cap = 0,
381 .sensor_flags = GO7007_SENSOR_656 |
382 GO7007_SENSOR_TV,
383 .sensor_h_offset = 8,
384 .num_i2c_devs = 0,
385 .num_inputs = 1,
386 .inputs = {
387 {
388 .name = "Camera",
389 },
390 },
391 },
392 };
393
394 static const struct go7007_usb_board board_adlink_mpg24 = {
395 .flags = 0,
396 .main_info = {
397 .flags = GO7007_BOARD_USE_ONBOARD_I2C,
398 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
399 GO7007_AUDIO_I2S_MASTER |
400 GO7007_AUDIO_WORD_16,
401 .audio_rate = 48000,
402 .audio_bclk_div = 8,
403 .audio_main_div = 2,
404 .hpi_buffer_cap = 0,
405 .sensor_flags = GO7007_SENSOR_656 |
406 GO7007_SENSOR_TV |
407 GO7007_SENSOR_VBI,
408 .num_i2c_devs = 1,
409 .i2c_devs = {
410 {
411 .type = "tw2804",
412 .addr = 0x00, /* yes, really */
413 .flags = I2C_CLIENT_TEN,
414 .is_video = 1,
415 },
416 },
417 .num_inputs = 1,
418 .inputs = {
419 {
420 .name = "Composite",
421 },
422 },
423 },
424 };
425
426 static const struct go7007_usb_board board_sensoray_2250 = {
427 .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
428 .main_info = {
429 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
430 GO7007_AUDIO_I2S_MASTER |
431 GO7007_AUDIO_WORD_16,
432 .flags = GO7007_BOARD_HAS_AUDIO,
433 .audio_rate = 48000,
434 .audio_bclk_div = 8,
435 .audio_main_div = 2,
436 .hpi_buffer_cap = 7,
437 .sensor_flags = GO7007_SENSOR_656 |
438 GO7007_SENSOR_TV,
439 .num_i2c_devs = 1,
440 .i2c_devs = {
441 {
442 .type = "s2250",
443 .addr = 0x43,
444 .is_video = 1,
445 .is_audio = 1,
446 },
447 },
448 .num_inputs = 2,
449 .inputs = {
450 {
451 .video_input = 0,
452 .name = "Composite",
453 },
454 {
455 .video_input = 1,
456 .name = "S-Video",
457 },
458 },
459 .num_aud_inputs = 3,
460 .aud_inputs = {
461 {
462 .audio_input = 0,
463 .name = "Line In",
464 },
465 {
466 .audio_input = 1,
467 .name = "Mic",
468 },
469 {
470 .audio_input = 2,
471 .name = "Mic Boost",
472 },
473 },
474 },
475 };
476
477 static const struct go7007_usb_board board_ads_usbav_709 = {
478 .flags = GO7007_USB_EZUSB,
479 .main_info = {
480 .flags = GO7007_BOARD_HAS_AUDIO |
481 GO7007_BOARD_USE_ONBOARD_I2C,
482 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
483 GO7007_AUDIO_I2S_MASTER |
484 GO7007_AUDIO_WORD_16,
485 .audio_rate = 48000,
486 .audio_bclk_div = 8,
487 .audio_main_div = 2,
488 .hpi_buffer_cap = 7,
489 .sensor_flags = GO7007_SENSOR_656 |
490 GO7007_SENSOR_TV |
491 GO7007_SENSOR_VBI,
492 .num_i2c_devs = 1,
493 .i2c_devs = {
494 {
495 .type = "tw9906",
496 .is_video = 1,
497 .addr = 0x44,
498 },
499 },
500 .num_inputs = 2,
501 .inputs = {
502 {
503 .video_input = 0,
504 .name = "Composite",
505 },
506 {
507 .video_input = 10,
508 .name = "S-Video",
509 },
510 },
511 },
512 };
513
514 static const struct usb_device_id go7007_usb_id_table[] = {
515 {
516 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
517 USB_DEVICE_ID_MATCH_INT_INFO,
518 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
519 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
520 .bcdDevice_lo = 0x200, /* Revision number of XMen */
521 .bcdDevice_hi = 0x200,
522 .bInterfaceClass = 255,
523 .bInterfaceSubClass = 0,
524 .bInterfaceProtocol = 255,
525 .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN,
526 },
527 {
528 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
529 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
530 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
531 .bcdDevice_lo = 0x202, /* Revision number of Matrix II */
532 .bcdDevice_hi = 0x202,
533 .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_II,
534 },
535 {
536 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
537 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
538 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
539 .bcdDevice_lo = 0x204, /* Revision number of Matrix */
540 .bcdDevice_hi = 0x204, /* Reloaded */
541 .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_RELOAD,
542 },
543 {
544 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
545 USB_DEVICE_ID_MATCH_INT_INFO,
546 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
547 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
548 .bcdDevice_lo = 0x205, /* Revision number of XMen-II */
549 .bcdDevice_hi = 0x205,
550 .bInterfaceClass = 255,
551 .bInterfaceSubClass = 0,
552 .bInterfaceProtocol = 255,
553 .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN_II,
554 },
555 {
556 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
557 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
558 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
559 .bcdDevice_lo = 0x208, /* Revision number of Star Trek */
560 .bcdDevice_hi = 0x208,
561 .driver_info = (kernel_ulong_t)GO7007_BOARDID_STAR_TREK,
562 },
563 {
564 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
565 USB_DEVICE_ID_MATCH_INT_INFO,
566 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
567 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
568 .bcdDevice_lo = 0x209, /* Revision number of XMen-III */
569 .bcdDevice_hi = 0x209,
570 .bInterfaceClass = 255,
571 .bInterfaceSubClass = 0,
572 .bInterfaceProtocol = 255,
573 .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN_III,
574 },
575 {
576 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
577 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
578 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
579 .bcdDevice_lo = 0x210, /* Revision number of Matrix */
580 .bcdDevice_hi = 0x210, /* Revolution */
581 .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_REV,
582 },
583 {
584 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
585 .idVendor = 0x093b, /* Vendor ID of Plextor */
586 .idProduct = 0xa102, /* Product ID of M402U */
587 .bcdDevice_lo = 0x1, /* revision number of Blueberry */
588 .bcdDevice_hi = 0x1,
589 .driver_info = (kernel_ulong_t)GO7007_BOARDID_PX_M402U,
590 },
591 {
592 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
593 .idVendor = 0x093b, /* Vendor ID of Plextor */
594 .idProduct = 0xa104, /* Product ID of TV402U */
595 .bcdDevice_lo = 0x1,
596 .bcdDevice_hi = 0x1,
597 .driver_info = (kernel_ulong_t)GO7007_BOARDID_PX_TV402U,
598 },
599 {
600 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
601 .idVendor = 0x10fd, /* Vendor ID of Anubis Electronics */
602 .idProduct = 0xde00, /* Product ID of Lifeview LR192 */
603 .bcdDevice_lo = 0x1,
604 .bcdDevice_hi = 0x1,
605 .driver_info = (kernel_ulong_t)GO7007_BOARDID_LIFEVIEW_LR192,
606 },
607 {
608 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
609 .idVendor = 0x1943, /* Vendor ID Sensoray */
610 .idProduct = 0x2250, /* Product ID of 2250/2251 */
611 .bcdDevice_lo = 0x1,
612 .bcdDevice_hi = 0x1,
613 .driver_info = (kernel_ulong_t)GO7007_BOARDID_SENSORAY_2250,
614 },
615 {
616 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
617 .idVendor = 0x06e1, /* Vendor ID of ADS Technologies */
618 .idProduct = 0x0709, /* Product ID of DVD Xpress DX2 */
619 .bcdDevice_lo = 0x204,
620 .bcdDevice_hi = 0x204,
621 .driver_info = (kernel_ulong_t)GO7007_BOARDID_ADS_USBAV_709,
622 },
623 { } /* Terminating entry */
624 };
625
626 MODULE_DEVICE_TABLE(usb, go7007_usb_id_table);
627
628 /********************* Driver for EZ-USB HPI interface *********************/
629
630 static int go7007_usb_vendor_request(struct go7007 *go, int request,
631 int value, int index, void *transfer_buffer, int length, int in)
632 {
633 struct go7007_usb *usb = go->hpi_context;
634 int timeout = 5000;
635
636 if (in) {
637 return usb_control_msg(usb->usbdev,
638 usb_rcvctrlpipe(usb->usbdev, 0), request,
639 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
640 value, index, transfer_buffer, length, timeout);
641 } else {
642 return usb_control_msg(usb->usbdev,
643 usb_sndctrlpipe(usb->usbdev, 0), request,
644 USB_TYPE_VENDOR | USB_RECIP_DEVICE,
645 value, index, transfer_buffer, length, timeout);
646 }
647 }
648
649 static int go7007_usb_interface_reset(struct go7007 *go)
650 {
651 struct go7007_usb *usb = go->hpi_context;
652 u16 intr_val, intr_data;
653
654 if (go->status == STATUS_SHUTDOWN)
655 return -1;
656 /* Reset encoder */
657 if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
658 return -1;
659 msleep(100);
660
661 if (usb->board->flags & GO7007_USB_EZUSB) {
662 /* Reset buffer in EZ-USB */
663 pr_debug("resetting EZ-USB buffers\n");
664 if (go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0 ||
665 go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0)
666 return -1;
667
668 /* Reset encoder again */
669 if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
670 return -1;
671 msleep(100);
672 }
673
674 /* Wait for an interrupt to indicate successful hardware reset */
675 if (go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
676 (intr_val & ~0x1) != 0x55aa) {
677 dev_err(go->dev, "unable to reset the USB interface\n");
678 return -1;
679 }
680 return 0;
681 }
682
683 static int go7007_usb_ezusb_write_interrupt(struct go7007 *go,
684 int addr, int data)
685 {
686 struct go7007_usb *usb = go->hpi_context;
687 int i, r;
688 u16 status_reg = 0;
689 int timeout = 500;
690
691 pr_debug("WriteInterrupt: %04x %04x\n", addr, data);
692
693 for (i = 0; i < 100; ++i) {
694 r = usb_control_msg(usb->usbdev,
695 usb_rcvctrlpipe(usb->usbdev, 0), 0x14,
696 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
697 0, HPI_STATUS_ADDR, go->usb_buf,
698 sizeof(status_reg), timeout);
699 if (r < 0)
700 break;
701 status_reg = le16_to_cpu(*((__le16 *)go->usb_buf));
702 if (!(status_reg & 0x0010))
703 break;
704 msleep(10);
705 }
706 if (r < 0)
707 goto write_int_error;
708 if (i == 100) {
709 dev_err(go->dev, "device is hung, status reg = 0x%04x\n", status_reg);
710 return -1;
711 }
712 r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0), 0x12,
713 USB_TYPE_VENDOR | USB_RECIP_DEVICE, data,
714 INT_PARAM_ADDR, NULL, 0, timeout);
715 if (r < 0)
716 goto write_int_error;
717 r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0),
718 0x12, USB_TYPE_VENDOR | USB_RECIP_DEVICE, addr,
719 INT_INDEX_ADDR, NULL, 0, timeout);
720 if (r < 0)
721 goto write_int_error;
722 return 0;
723
724 write_int_error:
725 dev_err(go->dev, "error in WriteInterrupt: %d\n", r);
726 return r;
727 }
728
729 static int go7007_usb_onboard_write_interrupt(struct go7007 *go,
730 int addr, int data)
731 {
732 struct go7007_usb *usb = go->hpi_context;
733 int r;
734 int timeout = 500;
735
736 pr_debug("WriteInterrupt: %04x %04x\n", addr, data);
737
738 go->usb_buf[0] = data & 0xff;
739 go->usb_buf[1] = data >> 8;
740 go->usb_buf[2] = addr & 0xff;
741 go->usb_buf[3] = addr >> 8;
742 go->usb_buf[4] = go->usb_buf[5] = go->usb_buf[6] = go->usb_buf[7] = 0;
743 r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 2), 0x00,
744 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0x55aa,
745 0xf0f0, go->usb_buf, 8, timeout);
746 if (r < 0) {
747 dev_err(go->dev, "error in WriteInterrupt: %d\n", r);
748 return r;
749 }
750 return 0;
751 }
752
753 static void go7007_usb_readinterrupt_complete(struct urb *urb)
754 {
755 struct go7007 *go = (struct go7007 *)urb->context;
756 __le16 *regs = (__le16 *)urb->transfer_buffer;
757 int status = urb->status;
758
759 if (status) {
760 if (status != -ESHUTDOWN &&
761 go->status != STATUS_SHUTDOWN) {
762 dev_err(go->dev, "error in read interrupt: %d\n", urb->status);
763 } else {
764 wake_up(&go->interrupt_waitq);
765 return;
766 }
767 } else if (urb->actual_length != urb->transfer_buffer_length) {
768 dev_err(go->dev, "short read in interrupt pipe!\n");
769 } else {
770 go->interrupt_available = 1;
771 go->interrupt_data = __le16_to_cpu(regs[0]);
772 go->interrupt_value = __le16_to_cpu(regs[1]);
773 pr_debug("ReadInterrupt: %04x %04x\n",
774 go->interrupt_value, go->interrupt_data);
775 }
776
777 wake_up(&go->interrupt_waitq);
778 }
779
780 static int go7007_usb_read_interrupt(struct go7007 *go)
781 {
782 struct go7007_usb *usb = go->hpi_context;
783 int r;
784
785 r = usb_submit_urb(usb->intr_urb, GFP_KERNEL);
786 if (r < 0) {
787 dev_err(go->dev, "unable to submit interrupt urb: %d\n", r);
788 return r;
789 }
790 return 0;
791 }
792
793 static void go7007_usb_read_video_pipe_complete(struct urb *urb)
794 {
795 struct go7007 *go = (struct go7007 *)urb->context;
796 int r, status = urb->status;
797
798 if (!vb2_is_streaming(&go->vidq)) {
799 wake_up_interruptible(&go->frame_waitq);
800 return;
801 }
802 if (status) {
803 dev_err(go->dev, "error in video pipe: %d\n", status);
804 return;
805 }
806 if (urb->actual_length != urb->transfer_buffer_length) {
807 dev_err(go->dev, "short read in video pipe!\n");
808 return;
809 }
810 go7007_parse_video_stream(go, urb->transfer_buffer, urb->actual_length);
811 r = usb_submit_urb(urb, GFP_ATOMIC);
812 if (r < 0)
813 dev_err(go->dev, "error in video pipe: %d\n", r);
814 }
815
816 static void go7007_usb_read_audio_pipe_complete(struct urb *urb)
817 {
818 struct go7007 *go = (struct go7007 *)urb->context;
819 int r, status = urb->status;
820
821 if (!vb2_is_streaming(&go->vidq))
822 return;
823 if (status) {
824 dev_err(go->dev, "error in audio pipe: %d\n",
825 status);
826 return;
827 }
828 if (urb->actual_length != urb->transfer_buffer_length) {
829 dev_err(go->dev, "short read in audio pipe!\n");
830 return;
831 }
832 if (go->audio_deliver != NULL)
833 go->audio_deliver(go, urb->transfer_buffer, urb->actual_length);
834 r = usb_submit_urb(urb, GFP_ATOMIC);
835 if (r < 0)
836 dev_err(go->dev, "error in audio pipe: %d\n", r);
837 }
838
839 static int go7007_usb_stream_start(struct go7007 *go)
840 {
841 struct go7007_usb *usb = go->hpi_context;
842 int i, r;
843
844 for (i = 0; i < 8; ++i) {
845 r = usb_submit_urb(usb->video_urbs[i], GFP_KERNEL);
846 if (r < 0) {
847 dev_err(go->dev, "error submitting video urb %d: %d\n", i, r);
848 goto video_submit_failed;
849 }
850 }
851 if (!go->audio_enabled)
852 return 0;
853
854 for (i = 0; i < 8; ++i) {
855 r = usb_submit_urb(usb->audio_urbs[i], GFP_KERNEL);
856 if (r < 0) {
857 dev_err(go->dev, "error submitting audio urb %d: %d\n", i, r);
858 goto audio_submit_failed;
859 }
860 }
861 return 0;
862
863 audio_submit_failed:
864 for (i = 0; i < 7; ++i)
865 usb_kill_urb(usb->audio_urbs[i]);
866 video_submit_failed:
867 for (i = 0; i < 8; ++i)
868 usb_kill_urb(usb->video_urbs[i]);
869 return -1;
870 }
871
872 static int go7007_usb_stream_stop(struct go7007 *go)
873 {
874 struct go7007_usb *usb = go->hpi_context;
875 int i;
876
877 if (go->status == STATUS_SHUTDOWN)
878 return 0;
879 for (i = 0; i < 8; ++i)
880 usb_kill_urb(usb->video_urbs[i]);
881 if (go->audio_enabled)
882 for (i = 0; i < 8; ++i)
883 usb_kill_urb(usb->audio_urbs[i]);
884 return 0;
885 }
886
887 static int go7007_usb_send_firmware(struct go7007 *go, u8 *data, int len)
888 {
889 struct go7007_usb *usb = go->hpi_context;
890 int transferred, pipe;
891 int timeout = 500;
892
893 pr_debug("DownloadBuffer sending %d bytes\n", len);
894
895 if (usb->board->flags & GO7007_USB_EZUSB)
896 pipe = usb_sndbulkpipe(usb->usbdev, 2);
897 else
898 pipe = usb_sndbulkpipe(usb->usbdev, 3);
899
900 return usb_bulk_msg(usb->usbdev, pipe, data, len,
901 &transferred, timeout);
902 }
903
904 static void go7007_usb_release(struct go7007 *go)
905 {
906 struct go7007_usb *usb = go->hpi_context;
907 struct urb *vurb, *aurb;
908 int i;
909
910 if (usb->intr_urb) {
911 usb_kill_urb(usb->intr_urb);
912 kfree(usb->intr_urb->transfer_buffer);
913 usb_free_urb(usb->intr_urb);
914 }
915
916 /* Free USB-related structs */
917 for (i = 0; i < 8; ++i) {
918 vurb = usb->video_urbs[i];
919 if (vurb) {
920 usb_kill_urb(vurb);
921 kfree(vurb->transfer_buffer);
922 usb_free_urb(vurb);
923 }
924 aurb = usb->audio_urbs[i];
925 if (aurb) {
926 usb_kill_urb(aurb);
927 kfree(aurb->transfer_buffer);
928 usb_free_urb(aurb);
929 }
930 }
931
932 kfree(go->hpi_context);
933 }
934
935 static const struct go7007_hpi_ops go7007_usb_ezusb_hpi_ops = {
936 .interface_reset = go7007_usb_interface_reset,
937 .write_interrupt = go7007_usb_ezusb_write_interrupt,
938 .read_interrupt = go7007_usb_read_interrupt,
939 .stream_start = go7007_usb_stream_start,
940 .stream_stop = go7007_usb_stream_stop,
941 .send_firmware = go7007_usb_send_firmware,
942 .release = go7007_usb_release,
943 };
944
945 static const struct go7007_hpi_ops go7007_usb_onboard_hpi_ops = {
946 .interface_reset = go7007_usb_interface_reset,
947 .write_interrupt = go7007_usb_onboard_write_interrupt,
948 .read_interrupt = go7007_usb_read_interrupt,
949 .stream_start = go7007_usb_stream_start,
950 .stream_stop = go7007_usb_stream_stop,
951 .send_firmware = go7007_usb_send_firmware,
952 .release = go7007_usb_release,
953 };
954
955 /********************* Driver for EZ-USB I2C adapter *********************/
956
957 static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
958 struct i2c_msg msgs[], int num)
959 {
960 struct go7007 *go = i2c_get_adapdata(adapter);
961 struct go7007_usb *usb = go->hpi_context;
962 u8 *buf = go->usb_buf;
963 int buf_len, i;
964 int ret = -EIO;
965
966 if (go->status == STATUS_SHUTDOWN)
967 return -ENODEV;
968
969 mutex_lock(&usb->i2c_lock);
970
971 for (i = 0; i < num; ++i) {
972 /* The hardware command is "write some bytes then read some
973 * bytes", so we try to coalesce a write followed by a read
974 * into a single USB transaction */
975 if (i + 1 < num && msgs[i].addr == msgs[i + 1].addr &&
976 !(msgs[i].flags & I2C_M_RD) &&
977 (msgs[i + 1].flags & I2C_M_RD)) {
978 #ifdef GO7007_I2C_DEBUG
979 pr_debug("i2c write/read %d/%d bytes on %02x\n",
980 msgs[i].len, msgs[i + 1].len, msgs[i].addr);
981 #endif
982 buf[0] = 0x01;
983 buf[1] = msgs[i].len + 1;
984 buf[2] = msgs[i].addr << 1;
985 memcpy(&buf[3], msgs[i].buf, msgs[i].len);
986 buf_len = msgs[i].len + 3;
987 buf[buf_len++] = msgs[++i].len;
988 } else if (msgs[i].flags & I2C_M_RD) {
989 #ifdef GO7007_I2C_DEBUG
990 pr_debug("i2c read %d bytes on %02x\n",
991 msgs[i].len, msgs[i].addr);
992 #endif
993 buf[0] = 0x01;
994 buf[1] = 1;
995 buf[2] = msgs[i].addr << 1;
996 buf[3] = msgs[i].len;
997 buf_len = 4;
998 } else {
999 #ifdef GO7007_I2C_DEBUG
1000 pr_debug("i2c write %d bytes on %02x\n",
1001 msgs[i].len, msgs[i].addr);
1002 #endif
1003 buf[0] = 0x00;
1004 buf[1] = msgs[i].len + 1;
1005 buf[2] = msgs[i].addr << 1;
1006 memcpy(&buf[3], msgs[i].buf, msgs[i].len);
1007 buf_len = msgs[i].len + 3;
1008 buf[buf_len++] = 0;
1009 }
1010 if (go7007_usb_vendor_request(go, 0x24, 0, 0,
1011 buf, buf_len, 0) < 0)
1012 goto i2c_done;
1013 if (msgs[i].flags & I2C_M_RD) {
1014 memset(buf, 0, msgs[i].len + 1);
1015 if (go7007_usb_vendor_request(go, 0x25, 0, 0, buf,
1016 msgs[i].len + 1, 1) < 0)
1017 goto i2c_done;
1018 memcpy(msgs[i].buf, buf + 1, msgs[i].len);
1019 }
1020 }
1021 ret = num;
1022
1023 i2c_done:
1024 mutex_unlock(&usb->i2c_lock);
1025 return ret;
1026 }
1027
1028 static u32 go7007_usb_functionality(struct i2c_adapter *adapter)
1029 {
1030 /* No errors are reported by the hardware, so we don't bother
1031 * supporting quick writes to avoid confusing probing */
1032 return (I2C_FUNC_SMBUS_EMUL) & ~I2C_FUNC_SMBUS_QUICK;
1033 }
1034
1035 static const struct i2c_algorithm go7007_usb_algo = {
1036 .master_xfer = go7007_usb_i2c_master_xfer,
1037 .functionality = go7007_usb_functionality,
1038 };
1039
1040 static struct i2c_adapter go7007_usb_adap_templ = {
1041 .owner = THIS_MODULE,
1042 .name = "WIS GO7007SB EZ-USB",
1043 .algo = &go7007_usb_algo,
1044 };
1045
1046 /********************* USB add/remove functions *********************/
1047
1048 static int go7007_usb_probe(struct usb_interface *intf,
1049 const struct usb_device_id *id)
1050 {
1051 struct go7007 *go;
1052 struct go7007_usb *usb;
1053 const struct go7007_usb_board *board;
1054 struct usb_device *usbdev = interface_to_usbdev(intf);
1055 unsigned num_i2c_devs;
1056 char *name;
1057 int video_pipe, i, v_urb_len;
1058
1059 pr_debug("probing new GO7007 USB board\n");
1060
1061 switch (id->driver_info) {
1062 case GO7007_BOARDID_MATRIX_II:
1063 name = "WIS Matrix II or compatible";
1064 board = &board_matrix_ii;
1065 break;
1066 case GO7007_BOARDID_MATRIX_RELOAD:
1067 name = "WIS Matrix Reloaded or compatible";
1068 board = &board_matrix_reload;
1069 break;
1070 case GO7007_BOARDID_MATRIX_REV:
1071 name = "WIS Matrix Revolution or compatible";
1072 board = &board_matrix_revolution;
1073 break;
1074 case GO7007_BOARDID_STAR_TREK:
1075 name = "WIS Star Trek or compatible";
1076 board = &board_star_trek;
1077 break;
1078 case GO7007_BOARDID_XMEN:
1079 name = "WIS XMen or compatible";
1080 board = &board_xmen;
1081 break;
1082 case GO7007_BOARDID_XMEN_II:
1083 name = "WIS XMen II or compatible";
1084 board = &board_xmen;
1085 break;
1086 case GO7007_BOARDID_XMEN_III:
1087 name = "WIS XMen III or compatible";
1088 board = &board_xmen;
1089 break;
1090 case GO7007_BOARDID_PX_M402U:
1091 name = "Plextor PX-M402U";
1092 board = &board_matrix_ii;
1093 break;
1094 case GO7007_BOARDID_PX_TV402U:
1095 name = "Plextor PX-TV402U (unknown tuner)";
1096 board = &board_px_tv402u;
1097 break;
1098 case GO7007_BOARDID_LIFEVIEW_LR192:
1099 dev_err(&intf->dev, "The Lifeview TV Walker Ultra is not supported. Sorry!\n");
1100 return -ENODEV;
1101 #if 0
1102 name = "Lifeview TV Walker Ultra";
1103 board = &board_lifeview_lr192;
1104 #endif
1105 break;
1106 case GO7007_BOARDID_SENSORAY_2250:
1107 dev_info(&intf->dev, "Sensoray 2250 found\n");
1108 name = "Sensoray 2250/2251";
1109 board = &board_sensoray_2250;
1110 break;
1111 case GO7007_BOARDID_ADS_USBAV_709:
1112 name = "ADS Tech DVD Xpress DX2";
1113 board = &board_ads_usbav_709;
1114 break;
1115 default:
1116 dev_err(&intf->dev, "unknown board ID %d!\n",
1117 (unsigned int)id->driver_info);
1118 return -ENODEV;
1119 }
1120
1121 go = go7007_alloc(&board->main_info, &intf->dev);
1122 if (go == NULL)
1123 return -ENOMEM;
1124
1125 usb = kzalloc(sizeof(struct go7007_usb), GFP_KERNEL);
1126 if (usb == NULL) {
1127 kfree(go);
1128 return -ENOMEM;
1129 }
1130
1131 usb->board = board;
1132 usb->usbdev = usbdev;
1133 usb_make_path(usbdev, go->bus_info, sizeof(go->bus_info));
1134 go->board_id = id->driver_info;
1135 strncpy(go->name, name, sizeof(go->name));
1136 if (board->flags & GO7007_USB_EZUSB)
1137 go->hpi_ops = &go7007_usb_ezusb_hpi_ops;
1138 else
1139 go->hpi_ops = &go7007_usb_onboard_hpi_ops;
1140 go->hpi_context = usb;
1141
1142 /* Allocate the URB and buffer for receiving incoming interrupts */
1143 usb->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
1144 if (usb->intr_urb == NULL)
1145 goto allocfail;
1146 usb->intr_urb->transfer_buffer = kmalloc_array(2, sizeof(u16),
1147 GFP_KERNEL);
1148 if (usb->intr_urb->transfer_buffer == NULL)
1149 goto allocfail;
1150
1151 if (go->board_id == GO7007_BOARDID_SENSORAY_2250)
1152 usb_fill_bulk_urb(usb->intr_urb, usb->usbdev,
1153 usb_rcvbulkpipe(usb->usbdev, 4),
1154 usb->intr_urb->transfer_buffer, 2*sizeof(u16),
1155 go7007_usb_readinterrupt_complete, go);
1156 else
1157 usb_fill_int_urb(usb->intr_urb, usb->usbdev,
1158 usb_rcvintpipe(usb->usbdev, 4),
1159 usb->intr_urb->transfer_buffer, 2*sizeof(u16),
1160 go7007_usb_readinterrupt_complete, go, 8);
1161 usb_set_intfdata(intf, &go->v4l2_dev);
1162
1163 /* Boot the GO7007 */
1164 if (go7007_boot_encoder(go, go->board_info->flags &
1165 GO7007_BOARD_USE_ONBOARD_I2C) < 0)
1166 goto allocfail;
1167
1168 /* Register the EZ-USB I2C adapter, if we're using it */
1169 if (board->flags & GO7007_USB_EZUSB_I2C) {
1170 memcpy(&go->i2c_adapter, &go7007_usb_adap_templ,
1171 sizeof(go7007_usb_adap_templ));
1172 mutex_init(&usb->i2c_lock);
1173 go->i2c_adapter.dev.parent = go->dev;
1174 i2c_set_adapdata(&go->i2c_adapter, go);
1175 if (i2c_add_adapter(&go->i2c_adapter) < 0) {
1176 dev_err(go->dev, "error: i2c_add_adapter failed\n");
1177 goto allocfail;
1178 }
1179 go->i2c_adapter_online = 1;
1180 }
1181
1182 /* Pelco and Adlink reused the XMen and XMen-III vendor and product
1183 * IDs for their own incompatible designs. We can detect XMen boards
1184 * by probing the sensor, but there is no way to probe the sensors on
1185 * the Pelco and Adlink designs so we default to the Adlink. If it
1186 * is actually a Pelco, the user must set the assume_endura module
1187 * parameter. */
1188 if ((go->board_id == GO7007_BOARDID_XMEN ||
1189 go->board_id == GO7007_BOARDID_XMEN_III) &&
1190 go->i2c_adapter_online) {
1191 union i2c_smbus_data data;
1192
1193 /* Check to see if register 0x0A is 0x76 */
1194 i2c_smbus_xfer(&go->i2c_adapter, 0x21, I2C_CLIENT_SCCB,
1195 I2C_SMBUS_READ, 0x0A, I2C_SMBUS_BYTE_DATA, &data);
1196 if (data.byte != 0x76) {
1197 if (assume_endura) {
1198 go->board_id = GO7007_BOARDID_ENDURA;
1199 usb->board = board = &board_endura;
1200 go->board_info = &board->main_info;
1201 strncpy(go->name, "Pelco Endura",
1202 sizeof(go->name));
1203 } else {
1204 u16 channel;
1205
1206 /* read channel number from GPIO[1:0] */
1207 go7007_read_addr(go, 0x3c81, &channel);
1208 channel &= 0x3;
1209 go->board_id = GO7007_BOARDID_ADLINK_MPG24;
1210 usb->board = board = &board_adlink_mpg24;
1211 go->board_info = &board->main_info;
1212 go->channel_number = channel;
1213 snprintf(go->name, sizeof(go->name),
1214 "Adlink PCI-MPG24, channel #%d",
1215 channel);
1216 }
1217 go7007_update_board(go);
1218 }
1219 }
1220
1221 num_i2c_devs = go->board_info->num_i2c_devs;
1222
1223 /* Probe the tuner model on the TV402U */
1224 if (go->board_id == GO7007_BOARDID_PX_TV402U) {
1225 /* Board strapping indicates tuner model */
1226 if (go7007_usb_vendor_request(go, 0x41, 0, 0, go->usb_buf, 3,
1227 1) < 0) {
1228 dev_err(go->dev, "GPIO read failed!\n");
1229 goto allocfail;
1230 }
1231 switch (go->usb_buf[0] >> 6) {
1232 case 1:
1233 go->tuner_type = TUNER_SONY_BTF_PG472Z;
1234 go->std = V4L2_STD_PAL;
1235 strncpy(go->name, "Plextor PX-TV402U-EU",
1236 sizeof(go->name));
1237 break;
1238 case 2:
1239 go->tuner_type = TUNER_SONY_BTF_PK467Z;
1240 go->std = V4L2_STD_NTSC_M_JP;
1241 num_i2c_devs -= 2;
1242 strncpy(go->name, "Plextor PX-TV402U-JP",
1243 sizeof(go->name));
1244 break;
1245 case 3:
1246 go->tuner_type = TUNER_SONY_BTF_PB463Z;
1247 num_i2c_devs -= 2;
1248 strncpy(go->name, "Plextor PX-TV402U-NA",
1249 sizeof(go->name));
1250 break;
1251 default:
1252 pr_debug("unable to detect tuner type!\n");
1253 break;
1254 }
1255 /* Configure tuner mode selection inputs connected
1256 * to the EZ-USB GPIO output pins */
1257 if (go7007_usb_vendor_request(go, 0x40, 0x7f02, 0,
1258 NULL, 0, 0) < 0) {
1259 dev_err(go->dev, "GPIO write failed!\n");
1260 goto allocfail;
1261 }
1262 }
1263
1264 /* Print a nasty message if the user attempts to use a USB2.0 device in
1265 * a USB1.1 port. There will be silent corruption of the stream. */
1266 if ((board->flags & GO7007_USB_EZUSB) &&
1267 usbdev->speed != USB_SPEED_HIGH)
1268 dev_err(go->dev, "*** WARNING *** This device must be connected to a USB 2.0 port! Attempting to capture video through a USB 1.1 port will result in stream corruption, even at low bitrates!\n");
1269
1270 /* Allocate the URBs and buffers for receiving the video stream */
1271 if (board->flags & GO7007_USB_EZUSB) {
1272 v_urb_len = 1024;
1273 video_pipe = usb_rcvbulkpipe(usb->usbdev, 6);
1274 } else {
1275 v_urb_len = 512;
1276 video_pipe = usb_rcvbulkpipe(usb->usbdev, 1);
1277 }
1278 for (i = 0; i < 8; ++i) {
1279 usb->video_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1280 if (usb->video_urbs[i] == NULL)
1281 goto allocfail;
1282 usb->video_urbs[i]->transfer_buffer =
1283 kmalloc(v_urb_len, GFP_KERNEL);
1284 if (usb->video_urbs[i]->transfer_buffer == NULL)
1285 goto allocfail;
1286 usb_fill_bulk_urb(usb->video_urbs[i], usb->usbdev, video_pipe,
1287 usb->video_urbs[i]->transfer_buffer, v_urb_len,
1288 go7007_usb_read_video_pipe_complete, go);
1289 }
1290
1291 /* Allocate the URBs and buffers for receiving the audio stream */
1292 if ((board->flags & GO7007_USB_EZUSB) &&
1293 (board->main_info.flags & GO7007_BOARD_HAS_AUDIO)) {
1294 for (i = 0; i < 8; ++i) {
1295 usb->audio_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1296 if (usb->audio_urbs[i] == NULL)
1297 goto allocfail;
1298 usb->audio_urbs[i]->transfer_buffer = kmalloc(4096,
1299 GFP_KERNEL);
1300 if (usb->audio_urbs[i]->transfer_buffer == NULL)
1301 goto allocfail;
1302 usb_fill_bulk_urb(usb->audio_urbs[i], usb->usbdev,
1303 usb_rcvbulkpipe(usb->usbdev, 8),
1304 usb->audio_urbs[i]->transfer_buffer, 4096,
1305 go7007_usb_read_audio_pipe_complete, go);
1306 }
1307 }
1308
1309 /* Do any final GO7007 initialization, then register the
1310 * V4L2 and ALSA interfaces */
1311 if (go7007_register_encoder(go, num_i2c_devs) < 0)
1312 goto allocfail;
1313
1314 go->status = STATUS_ONLINE;
1315 return 0;
1316
1317 allocfail:
1318 go7007_usb_release(go);
1319 kfree(go);
1320 return -ENOMEM;
1321 }
1322
1323 static void go7007_usb_disconnect(struct usb_interface *intf)
1324 {
1325 struct go7007 *go = to_go7007(usb_get_intfdata(intf));
1326
1327 mutex_lock(&go->queue_lock);
1328 mutex_lock(&go->serialize_lock);
1329
1330 if (go->audio_enabled)
1331 go7007_snd_remove(go);
1332
1333 go->status = STATUS_SHUTDOWN;
1334 v4l2_device_disconnect(&go->v4l2_dev);
1335 video_unregister_device(&go->vdev);
1336 mutex_unlock(&go->serialize_lock);
1337 mutex_unlock(&go->queue_lock);
1338
1339 v4l2_device_put(&go->v4l2_dev);
1340 }
1341
1342 static struct usb_driver go7007_usb_driver = {
1343 .name = "go7007",
1344 .probe = go7007_usb_probe,
1345 .disconnect = go7007_usb_disconnect,
1346 .id_table = go7007_usb_id_table,
1347 };
1348
1349 module_usb_driver(go7007_usb_driver);
1350 MODULE_LICENSE("GPL v2");
Linux with added FPC-III support