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/saa7115.h>
30 #include <media/tuner.h>
31 #include <media/uda1342.h>
32
33 #include "go7007-priv.h"
34
35 static unsigned int assume_endura;
36 module_param(assume_endura, int, 0644);
37 MODULE_PARM_DESC(assume_endura, "when probing fails, "
38 "hardware is a Pelco Endura");
39
40 /* #define GO7007_USB_DEBUG */
41 /* #define GO7007_I2C_DEBUG */ /* for debugging the EZ-USB I2C adapter */
42
43 #define HPI_STATUS_ADDR 0xFFF4
44 #define INT_PARAM_ADDR 0xFFF6
45 #define INT_INDEX_ADDR 0xFFF8
46
47 /*
48 * Pipes on EZ-USB interface:
49 * 0 snd - Control
50 * 0 rcv - Control
51 * 2 snd - Download firmware (control)
52 * 4 rcv - Read Interrupt (interrupt)
53 * 6 rcv - Read Video (bulk)
54 * 8 rcv - Read Audio (bulk)
55 */
56
57 #define GO7007_USB_EZUSB (1<<0)
58 #define GO7007_USB_EZUSB_I2C (1<<1)
59
60 struct go7007_usb_board {
61 unsigned int flags;
62 struct go7007_board_info main_info;
63 };
64
65 struct go7007_usb {
66 const struct go7007_usb_board *board;
67 struct mutex i2c_lock;
68 struct usb_device *usbdev;
69 struct urb *video_urbs[8];
70 struct urb *audio_urbs[8];
71 struct urb *intr_urb;
72 };
73
74 /*********************** Product specification data ***********************/
75
76 static const struct go7007_usb_board board_matrix_ii = {
77 .flags = GO7007_USB_EZUSB,
78 .main_info = {
79 .flags = GO7007_BOARD_HAS_AUDIO |
80 GO7007_BOARD_USE_ONBOARD_I2C,
81 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
82 GO7007_AUDIO_WORD_16,
83 .audio_rate = 48000,
84 .audio_bclk_div = 8,
85 .audio_main_div = 2,
86 .hpi_buffer_cap = 7,
87 .sensor_flags = GO7007_SENSOR_656 |
88 GO7007_SENSOR_VALID_ENABLE |
89 GO7007_SENSOR_TV |
90 GO7007_SENSOR_SAA7115 |
91 GO7007_SENSOR_VBI |
92 GO7007_SENSOR_SCALING,
93 .num_i2c_devs = 1,
94 .i2c_devs = {
95 {
96 .type = "saa7115",
97 .addr = 0x20,
98 .is_video = 1,
99 },
100 },
101 .num_inputs = 2,
102 .inputs = {
103 {
104 .video_input = 0,
105 .name = "Composite",
106 },
107 {
108 .video_input = 9,
109 .name = "S-Video",
110 },
111 },
112 .video_config = SAA7115_IDQ_IS_DEFAULT,
113 },
114 };
115
116 static const struct go7007_usb_board board_matrix_reload = {
117 .flags = GO7007_USB_EZUSB,
118 .main_info = {
119 .flags = GO7007_BOARD_HAS_AUDIO |
120 GO7007_BOARD_USE_ONBOARD_I2C,
121 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
122 GO7007_AUDIO_I2S_MASTER |
123 GO7007_AUDIO_WORD_16,
124 .audio_rate = 48000,
125 .audio_bclk_div = 8,
126 .audio_main_div = 2,
127 .hpi_buffer_cap = 7,
128 .sensor_flags = GO7007_SENSOR_656 |
129 GO7007_SENSOR_TV,
130 .num_i2c_devs = 1,
131 .i2c_devs = {
132 {
133 .type = "saa7113",
134 .addr = 0x25,
135 .is_video = 1,
136 },
137 },
138 .num_inputs = 2,
139 .inputs = {
140 {
141 .video_input = 0,
142 .name = "Composite",
143 },
144 {
145 .video_input = 9,
146 .name = "S-Video",
147 },
148 },
149 .video_config = SAA7115_IDQ_IS_DEFAULT,
150 },
151 };
152
153 static const struct go7007_usb_board board_star_trek = {
154 .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
155 .main_info = {
156 .flags = GO7007_BOARD_HAS_AUDIO, /* |
157 GO7007_BOARD_HAS_TUNER, */
158 .sensor_flags = GO7007_SENSOR_656 |
159 GO7007_SENSOR_VALID_ENABLE |
160 GO7007_SENSOR_TV |
161 GO7007_SENSOR_SAA7115 |
162 GO7007_SENSOR_VBI |
163 GO7007_SENSOR_SCALING,
164 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
165 GO7007_AUDIO_WORD_16,
166 .audio_bclk_div = 8,
167 .audio_main_div = 2,
168 .hpi_buffer_cap = 7,
169 .num_i2c_devs = 1,
170 .i2c_devs = {
171 {
172 .type = "saa7115",
173 .addr = 0x20,
174 .is_video = 1,
175 },
176 },
177 .num_inputs = 2,
178 .inputs = {
179 /* {
180 * .video_input = 3,
181 * .audio_index = AUDIO_TUNER,
182 * .name = "Tuner",
183 * },
184 */
185 {
186 .video_input = 1,
187 /* .audio_index = AUDIO_EXTERN, */
188 .name = "Composite",
189 },
190 {
191 .video_input = 8,
192 /* .audio_index = AUDIO_EXTERN, */
193 .name = "S-Video",
194 },
195 },
196 .video_config = SAA7115_IDQ_IS_DEFAULT,
197 },
198 };
199
200 static const struct go7007_usb_board board_px_tv402u = {
201 .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
202 .main_info = {
203 .flags = GO7007_BOARD_HAS_AUDIO |
204 GO7007_BOARD_HAS_TUNER,
205 .sensor_flags = GO7007_SENSOR_656 |
206 GO7007_SENSOR_VALID_ENABLE |
207 GO7007_SENSOR_TV |
208 GO7007_SENSOR_SAA7115 |
209 GO7007_SENSOR_VBI |
210 GO7007_SENSOR_SCALING,
211 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
212 GO7007_AUDIO_WORD_16,
213 .audio_bclk_div = 8,
214 .audio_main_div = 2,
215 .hpi_buffer_cap = 7,
216 .num_i2c_devs = 5,
217 .i2c_devs = {
218 {
219 .type = "saa7115",
220 .addr = 0x20,
221 .is_video = 1,
222 },
223 {
224 .type = "uda1342",
225 .addr = 0x1a,
226 .is_audio = 1,
227 },
228 {
229 .type = "tuner",
230 .addr = 0x60,
231 },
232 {
233 .type = "tuner",
234 .addr = 0x43,
235 },
236 {
237 .type = "sony-btf-mpx",
238 .addr = 0x44,
239 },
240 },
241 .num_inputs = 3,
242 .inputs = {
243 {
244 .video_input = 3,
245 .audio_index = 0,
246 .name = "Tuner",
247 },
248 {
249 .video_input = 1,
250 .audio_index = 1,
251 .name = "Composite",
252 },
253 {
254 .video_input = 8,
255 .audio_index = 1,
256 .name = "S-Video",
257 },
258 },
259 .video_config = SAA7115_IDQ_IS_DEFAULT,
260 .num_aud_inputs = 2,
261 .aud_inputs = {
262 {
263 .audio_input = UDA1342_IN2,
264 .name = "Tuner",
265 },
266 {
267 .audio_input = UDA1342_IN1,
268 .name = "Line In",
269 },
270 },
271 },
272 };
273
274 static const struct go7007_usb_board board_xmen = {
275 .flags = 0,
276 .main_info = {
277 .flags = GO7007_BOARD_USE_ONBOARD_I2C,
278 .hpi_buffer_cap = 0,
279 .sensor_flags = GO7007_SENSOR_VREF_POLAR,
280 .sensor_width = 320,
281 .sensor_height = 240,
282 .sensor_framerate = 30030,
283 .audio_flags = GO7007_AUDIO_ONE_CHANNEL |
284 GO7007_AUDIO_I2S_MODE_3 |
285 GO7007_AUDIO_WORD_14 |
286 GO7007_AUDIO_I2S_MASTER |
287 GO7007_AUDIO_BCLK_POLAR |
288 GO7007_AUDIO_OKI_MODE,
289 .audio_rate = 8000,
290 .audio_bclk_div = 48,
291 .audio_main_div = 1,
292 .num_i2c_devs = 1,
293 .i2c_devs = {
294 {
295 .type = "ov7640",
296 .addr = 0x21,
297 },
298 },
299 .num_inputs = 1,
300 .inputs = {
301 {
302 .name = "Camera",
303 },
304 },
305 },
306 };
307
308 static const struct go7007_usb_board board_matrix_revolution = {
309 .flags = GO7007_USB_EZUSB,
310 .main_info = {
311 .flags = GO7007_BOARD_HAS_AUDIO |
312 GO7007_BOARD_USE_ONBOARD_I2C,
313 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
314 GO7007_AUDIO_I2S_MASTER |
315 GO7007_AUDIO_WORD_16,
316 .audio_rate = 48000,
317 .audio_bclk_div = 8,
318 .audio_main_div = 2,
319 .hpi_buffer_cap = 7,
320 .sensor_flags = GO7007_SENSOR_656 |
321 GO7007_SENSOR_TV |
322 GO7007_SENSOR_VBI,
323 .num_i2c_devs = 1,
324 .i2c_devs = {
325 {
326 .type = "tw9903",
327 .is_video = 1,
328 .addr = 0x44,
329 },
330 },
331 .num_inputs = 2,
332 .inputs = {
333 {
334 .video_input = 2,
335 .name = "Composite",
336 },
337 {
338 .video_input = 8,
339 .name = "S-Video",
340 },
341 },
342 },
343 };
344
345 static const struct go7007_usb_board board_lifeview_lr192 = {
346 .flags = GO7007_USB_EZUSB,
347 .main_info = {
348 .flags = GO7007_BOARD_HAS_AUDIO |
349 GO7007_BOARD_USE_ONBOARD_I2C,
350 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
351 GO7007_AUDIO_WORD_16,
352 .audio_rate = 48000,
353 .audio_bclk_div = 8,
354 .audio_main_div = 2,
355 .hpi_buffer_cap = 7,
356 .sensor_flags = GO7007_SENSOR_656 |
357 GO7007_SENSOR_VALID_ENABLE |
358 GO7007_SENSOR_TV |
359 GO7007_SENSOR_VBI |
360 GO7007_SENSOR_SCALING,
361 .num_i2c_devs = 0,
362 .num_inputs = 1,
363 .inputs = {
364 {
365 .video_input = 0,
366 .name = "Composite",
367 },
368 },
369 },
370 };
371
372 static const struct go7007_usb_board board_endura = {
373 .flags = 0,
374 .main_info = {
375 .flags = 0,
376 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
377 GO7007_AUDIO_I2S_MASTER |
378 GO7007_AUDIO_WORD_16,
379 .audio_rate = 8000,
380 .audio_bclk_div = 48,
381 .audio_main_div = 8,
382 .hpi_buffer_cap = 0,
383 .sensor_flags = GO7007_SENSOR_656 |
384 GO7007_SENSOR_TV,
385 .sensor_h_offset = 8,
386 .num_i2c_devs = 0,
387 .num_inputs = 1,
388 .inputs = {
389 {
390 .name = "Camera",
391 },
392 },
393 },
394 };
395
396 static const struct go7007_usb_board board_adlink_mpg24 = {
397 .flags = 0,
398 .main_info = {
399 .flags = GO7007_BOARD_USE_ONBOARD_I2C,
400 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
401 GO7007_AUDIO_I2S_MASTER |
402 GO7007_AUDIO_WORD_16,
403 .audio_rate = 48000,
404 .audio_bclk_div = 8,
405 .audio_main_div = 2,
406 .hpi_buffer_cap = 0,
407 .sensor_flags = GO7007_SENSOR_656 |
408 GO7007_SENSOR_TV |
409 GO7007_SENSOR_VBI,
410 .num_i2c_devs = 1,
411 .i2c_devs = {
412 {
413 .type = "tw2804",
414 .addr = 0x00, /* yes, really */
415 .flags = I2C_CLIENT_TEN,
416 .is_video = 1,
417 },
418 },
419 .num_inputs = 1,
420 .inputs = {
421 {
422 .name = "Composite",
423 },
424 },
425 },
426 };
427
428 static const struct go7007_usb_board board_sensoray_2250 = {
429 .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
430 .main_info = {
431 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
432 GO7007_AUDIO_I2S_MASTER |
433 GO7007_AUDIO_WORD_16,
434 .flags = GO7007_BOARD_HAS_AUDIO,
435 .audio_rate = 48000,
436 .audio_bclk_div = 8,
437 .audio_main_div = 2,
438 .hpi_buffer_cap = 7,
439 .sensor_flags = GO7007_SENSOR_656 |
440 GO7007_SENSOR_TV,
441 .num_i2c_devs = 1,
442 .i2c_devs = {
443 {
444 .type = "s2250",
445 .addr = 0x43,
446 .is_video = 1,
447 .is_audio = 1,
448 },
449 },
450 .num_inputs = 2,
451 .inputs = {
452 {
453 .video_input = 0,
454 .name = "Composite",
455 },
456 {
457 .video_input = 1,
458 .name = "S-Video",
459 },
460 },
461 .num_aud_inputs = 3,
462 .aud_inputs = {
463 {
464 .audio_input = 0,
465 .name = "Line In",
466 },
467 {
468 .audio_input = 1,
469 .name = "Mic",
470 },
471 {
472 .audio_input = 2,
473 .name = "Mic Boost",
474 },
475 },
476 },
477 };
478
479 static const struct go7007_usb_board board_ads_usbav_709 = {
480 .flags = GO7007_USB_EZUSB,
481 .main_info = {
482 .flags = GO7007_BOARD_HAS_AUDIO |
483 GO7007_BOARD_USE_ONBOARD_I2C,
484 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
485 GO7007_AUDIO_I2S_MASTER |
486 GO7007_AUDIO_WORD_16,
487 .audio_rate = 48000,
488 .audio_bclk_div = 8,
489 .audio_main_div = 2,
490 .hpi_buffer_cap = 7,
491 .sensor_flags = GO7007_SENSOR_656 |
492 GO7007_SENSOR_TV |
493 GO7007_SENSOR_VBI,
494 .num_i2c_devs = 1,
495 .i2c_devs = {
496 {
497 .type = "tw9906",
498 .is_video = 1,
499 .addr = 0x44,
500 },
501 },
502 .num_inputs = 2,
503 .inputs = {
504 {
505 .video_input = 0,
506 .name = "Composite",
507 },
508 {
509 .video_input = 10,
510 .name = "S-Video",
511 },
512 },
513 },
514 };
515
516 static const struct usb_device_id go7007_usb_id_table[] = {
517 {
518 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
519 USB_DEVICE_ID_MATCH_INT_INFO,
520 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
521 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
522 .bcdDevice_lo = 0x200, /* Revision number of XMen */
523 .bcdDevice_hi = 0x200,
524 .bInterfaceClass = 255,
525 .bInterfaceSubClass = 0,
526 .bInterfaceProtocol = 255,
527 .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN,
528 },
529 {
530 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
531 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
532 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
533 .bcdDevice_lo = 0x202, /* Revision number of Matrix II */
534 .bcdDevice_hi = 0x202,
535 .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_II,
536 },
537 {
538 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
539 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
540 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
541 .bcdDevice_lo = 0x204, /* Revision number of Matrix */
542 .bcdDevice_hi = 0x204, /* Reloaded */
543 .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_RELOAD,
544 },
545 {
546 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
547 USB_DEVICE_ID_MATCH_INT_INFO,
548 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
549 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
550 .bcdDevice_lo = 0x205, /* Revision number of XMen-II */
551 .bcdDevice_hi = 0x205,
552 .bInterfaceClass = 255,
553 .bInterfaceSubClass = 0,
554 .bInterfaceProtocol = 255,
555 .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN_II,
556 },
557 {
558 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
559 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
560 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
561 .bcdDevice_lo = 0x208, /* Revision number of Star Trek */
562 .bcdDevice_hi = 0x208,
563 .driver_info = (kernel_ulong_t)GO7007_BOARDID_STAR_TREK,
564 },
565 {
566 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
567 USB_DEVICE_ID_MATCH_INT_INFO,
568 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
569 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
570 .bcdDevice_lo = 0x209, /* Revision number of XMen-III */
571 .bcdDevice_hi = 0x209,
572 .bInterfaceClass = 255,
573 .bInterfaceSubClass = 0,
574 .bInterfaceProtocol = 255,
575 .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN_III,
576 },
577 {
578 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
579 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
580 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
581 .bcdDevice_lo = 0x210, /* Revision number of Matrix */
582 .bcdDevice_hi = 0x210, /* Revolution */
583 .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_REV,
584 },
585 {
586 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
587 .idVendor = 0x093b, /* Vendor ID of Plextor */
588 .idProduct = 0xa102, /* Product ID of M402U */
589 .bcdDevice_lo = 0x1, /* revision number of Blueberry */
590 .bcdDevice_hi = 0x1,
591 .driver_info = (kernel_ulong_t)GO7007_BOARDID_PX_M402U,
592 },
593 {
594 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
595 .idVendor = 0x093b, /* Vendor ID of Plextor */
596 .idProduct = 0xa104, /* Product ID of TV402U */
597 .bcdDevice_lo = 0x1,
598 .bcdDevice_hi = 0x1,
599 .driver_info = (kernel_ulong_t)GO7007_BOARDID_PX_TV402U,
600 },
601 {
602 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
603 .idVendor = 0x10fd, /* Vendor ID of Anubis Electronics */
604 .idProduct = 0xde00, /* Product ID of Lifeview LR192 */
605 .bcdDevice_lo = 0x1,
606 .bcdDevice_hi = 0x1,
607 .driver_info = (kernel_ulong_t)GO7007_BOARDID_LIFEVIEW_LR192,
608 },
609 {
610 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
611 .idVendor = 0x1943, /* Vendor ID Sensoray */
612 .idProduct = 0x2250, /* Product ID of 2250/2251 */
613 .bcdDevice_lo = 0x1,
614 .bcdDevice_hi = 0x1,
615 .driver_info = (kernel_ulong_t)GO7007_BOARDID_SENSORAY_2250,
616 },
617 {
618 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
619 .idVendor = 0x06e1, /* Vendor ID of ADS Technologies */
620 .idProduct = 0x0709, /* Product ID of DVD Xpress DX2 */
621 .bcdDevice_lo = 0x204,
622 .bcdDevice_hi = 0x204,
623 .driver_info = (kernel_ulong_t)GO7007_BOARDID_ADS_USBAV_709,
624 },
625 { } /* Terminating entry */
626 };
627
628 MODULE_DEVICE_TABLE(usb, go7007_usb_id_table);
629
630 /********************* Driver for EZ-USB HPI interface *********************/
631
go7007_usb_vendor_request(struct go7007 * go,int request,int value,int index,void * transfer_buffer,int length,int in)632 static int go7007_usb_vendor_request(struct go7007 *go, int request,
633 int value, int index, void *transfer_buffer, int length, int in)
634 {
635 struct go7007_usb *usb = go->hpi_context;
636 int timeout = 5000;
637
638 if (in) {
639 return usb_control_msg(usb->usbdev,
640 usb_rcvctrlpipe(usb->usbdev, 0), request,
641 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
642 value, index, transfer_buffer, length, timeout);
643 } else {
644 return usb_control_msg(usb->usbdev,
645 usb_sndctrlpipe(usb->usbdev, 0), request,
646 USB_TYPE_VENDOR | USB_RECIP_DEVICE,
647 value, index, transfer_buffer, length, timeout);
648 }
649 }
650
go7007_usb_interface_reset(struct go7007 * go)651 static int go7007_usb_interface_reset(struct go7007 *go)
652 {
653 struct go7007_usb *usb = go->hpi_context;
654 u16 intr_val, intr_data;
655
656 if (go->status == STATUS_SHUTDOWN)
657 return -1;
658 /* Reset encoder */
659 if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
660 return -1;
661 msleep(100);
662
663 if (usb->board->flags & GO7007_USB_EZUSB) {
664 /* Reset buffer in EZ-USB */
665 #ifdef GO7007_USB_DEBUG
666 printk(KERN_DEBUG "go7007-usb: resetting EZ-USB buffers\n");
667 #endif
668 if (go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0 ||
669 go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0)
670 return -1;
671
672 /* Reset encoder again */
673 if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
674 return -1;
675 msleep(100);
676 }
677
678 /* Wait for an interrupt to indicate successful hardware reset */
679 if (go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
680 (intr_val & ~0x1) != 0x55aa) {
681 printk(KERN_ERR
682 "go7007-usb: unable to reset the USB interface\n");
683 return -1;
684 }
685 return 0;
686 }
687
go7007_usb_ezusb_write_interrupt(struct go7007 * go,int addr,int data)688 static int go7007_usb_ezusb_write_interrupt(struct go7007 *go,
689 int addr, int data)
690 {
691 struct go7007_usb *usb = go->hpi_context;
692 int i, r;
693 u16 status_reg = 0;
694 int timeout = 500;
695
696 #ifdef GO7007_USB_DEBUG
697 printk(KERN_DEBUG
698 "go7007-usb: WriteInterrupt: %04x %04x\n", addr, data);
699 #endif
700
701 for (i = 0; i < 100; ++i) {
702 r = usb_control_msg(usb->usbdev,
703 usb_rcvctrlpipe(usb->usbdev, 0), 0x14,
704 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
705 0, HPI_STATUS_ADDR, go->usb_buf,
706 sizeof(status_reg), timeout);
707 if (r < 0)
708 break;
709 status_reg = le16_to_cpu(*((u16 *)go->usb_buf));
710 if (!(status_reg & 0x0010))
711 break;
712 msleep(10);
713 }
714 if (r < 0)
715 goto write_int_error;
716 if (i == 100) {
717 printk(KERN_ERR
718 "go7007-usb: device is hung, status reg = 0x%04x\n",
719 status_reg);
720 return -1;
721 }
722 r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0), 0x12,
723 USB_TYPE_VENDOR | USB_RECIP_DEVICE, data,
724 INT_PARAM_ADDR, NULL, 0, timeout);
725 if (r < 0)
726 goto write_int_error;
727 r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0),
728 0x12, USB_TYPE_VENDOR | USB_RECIP_DEVICE, addr,
729 INT_INDEX_ADDR, NULL, 0, timeout);
730 if (r < 0)
731 goto write_int_error;
732 return 0;
733
734 write_int_error:
735 printk(KERN_ERR "go7007-usb: error in WriteInterrupt: %d\n", r);
736 return r;
737 }
738
go7007_usb_onboard_write_interrupt(struct go7007 * go,int addr,int data)739 static int go7007_usb_onboard_write_interrupt(struct go7007 *go,
740 int addr, int data)
741 {
742 struct go7007_usb *usb = go->hpi_context;
743 int r;
744 int timeout = 500;
745
746 #ifdef GO7007_USB_DEBUG
747 printk(KERN_DEBUG
748 "go7007-usb: WriteInterrupt: %04x %04x\n", addr, data);
749 #endif
750
751 go->usb_buf[0] = data & 0xff;
752 go->usb_buf[1] = data >> 8;
753 go->usb_buf[2] = addr & 0xff;
754 go->usb_buf[3] = addr >> 8;
755 go->usb_buf[4] = go->usb_buf[5] = go->usb_buf[6] = go->usb_buf[7] = 0;
756 r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 2), 0x00,
757 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0x55aa,
758 0xf0f0, go->usb_buf, 8, timeout);
759 if (r < 0) {
760 printk(KERN_ERR "go7007-usb: error in WriteInterrupt: %d\n", r);
761 return r;
762 }
763 return 0;
764 }
765
go7007_usb_readinterrupt_complete(struct urb * urb)766 static void go7007_usb_readinterrupt_complete(struct urb *urb)
767 {
768 struct go7007 *go = (struct go7007 *)urb->context;
769 u16 *regs = (u16 *)urb->transfer_buffer;
770 int status = urb->status;
771
772 if (status) {
773 if (status != -ESHUTDOWN &&
774 go->status != STATUS_SHUTDOWN) {
775 printk(KERN_ERR
776 "go7007-usb: error in read interrupt: %d\n",
777 urb->status);
778 } else {
779 wake_up(&go->interrupt_waitq);
780 return;
781 }
782 } else if (urb->actual_length != urb->transfer_buffer_length) {
783 printk(KERN_ERR "go7007-usb: short read in interrupt pipe!\n");
784 } else {
785 go->interrupt_available = 1;
786 go->interrupt_data = __le16_to_cpu(regs[0]);
787 go->interrupt_value = __le16_to_cpu(regs[1]);
788 #ifdef GO7007_USB_DEBUG
789 printk(KERN_DEBUG "go7007-usb: ReadInterrupt: %04x %04x\n",
790 go->interrupt_value, go->interrupt_data);
791 #endif
792 }
793
794 wake_up(&go->interrupt_waitq);
795 }
796
go7007_usb_read_interrupt(struct go7007 * go)797 static int go7007_usb_read_interrupt(struct go7007 *go)
798 {
799 struct go7007_usb *usb = go->hpi_context;
800 int r;
801
802 r = usb_submit_urb(usb->intr_urb, GFP_KERNEL);
803 if (r < 0) {
804 printk(KERN_ERR
805 "go7007-usb: unable to submit interrupt urb: %d\n", r);
806 return r;
807 }
808 return 0;
809 }
810
go7007_usb_read_video_pipe_complete(struct urb * urb)811 static void go7007_usb_read_video_pipe_complete(struct urb *urb)
812 {
813 struct go7007 *go = (struct go7007 *)urb->context;
814 int r, status = urb->status;
815
816 if (!vb2_is_streaming(&go->vidq)) {
817 wake_up_interruptible(&go->frame_waitq);
818 return;
819 }
820 if (status) {
821 printk(KERN_ERR "go7007-usb: error in video pipe: %d\n",
822 status);
823 return;
824 }
825 if (urb->actual_length != urb->transfer_buffer_length) {
826 printk(KERN_ERR "go7007-usb: short read in video pipe!\n");
827 return;
828 }
829 go7007_parse_video_stream(go, urb->transfer_buffer, urb->actual_length);
830 r = usb_submit_urb(urb, GFP_ATOMIC);
831 if (r < 0)
832 printk(KERN_ERR "go7007-usb: error in video pipe: %d\n", r);
833 }
834
go7007_usb_read_audio_pipe_complete(struct urb * urb)835 static void go7007_usb_read_audio_pipe_complete(struct urb *urb)
836 {
837 struct go7007 *go = (struct go7007 *)urb->context;
838 int r, status = urb->status;
839
840 if (!vb2_is_streaming(&go->vidq))
841 return;
842 if (status) {
843 printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n",
844 status);
845 return;
846 }
847 if (urb->actual_length != urb->transfer_buffer_length) {
848 printk(KERN_ERR "go7007-usb: short read in audio pipe!\n");
849 return;
850 }
851 if (go->audio_deliver != NULL)
852 go->audio_deliver(go, urb->transfer_buffer, urb->actual_length);
853 r = usb_submit_urb(urb, GFP_ATOMIC);
854 if (r < 0)
855 printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n", r);
856 }
857
go7007_usb_stream_start(struct go7007 * go)858 static int go7007_usb_stream_start(struct go7007 *go)
859 {
860 struct go7007_usb *usb = go->hpi_context;
861 int i, r;
862
863 for (i = 0; i < 8; ++i) {
864 r = usb_submit_urb(usb->video_urbs[i], GFP_KERNEL);
865 if (r < 0) {
866 printk(KERN_ERR "go7007-usb: error submitting video "
867 "urb %d: %d\n", i, r);
868 goto video_submit_failed;
869 }
870 }
871 if (!go->audio_enabled)
872 return 0;
873
874 for (i = 0; i < 8; ++i) {
875 r = usb_submit_urb(usb->audio_urbs[i], GFP_KERNEL);
876 if (r < 0) {
877 printk(KERN_ERR "go7007-usb: error submitting audio "
878 "urb %d: %d\n", i, r);
879 goto audio_submit_failed;
880 }
881 }
882 return 0;
883
884 audio_submit_failed:
885 for (i = 0; i < 7; ++i)
886 usb_kill_urb(usb->audio_urbs[i]);
887 video_submit_failed:
888 for (i = 0; i < 8; ++i)
889 usb_kill_urb(usb->video_urbs[i]);
890 return -1;
891 }
892
go7007_usb_stream_stop(struct go7007 * go)893 static int go7007_usb_stream_stop(struct go7007 *go)
894 {
895 struct go7007_usb *usb = go->hpi_context;
896 int i;
897
898 if (go->status == STATUS_SHUTDOWN)
899 return 0;
900 for (i = 0; i < 8; ++i)
901 usb_kill_urb(usb->video_urbs[i]);
902 if (go->audio_enabled)
903 for (i = 0; i < 8; ++i)
904 usb_kill_urb(usb->audio_urbs[i]);
905 return 0;
906 }
907
go7007_usb_send_firmware(struct go7007 * go,u8 * data,int len)908 static int go7007_usb_send_firmware(struct go7007 *go, u8 *data, int len)
909 {
910 struct go7007_usb *usb = go->hpi_context;
911 int transferred, pipe;
912 int timeout = 500;
913
914 #ifdef GO7007_USB_DEBUG
915 printk(KERN_DEBUG "go7007-usb: DownloadBuffer sending %d bytes\n", len);
916 #endif
917
918 if (usb->board->flags & GO7007_USB_EZUSB)
919 pipe = usb_sndbulkpipe(usb->usbdev, 2);
920 else
921 pipe = usb_sndbulkpipe(usb->usbdev, 3);
922
923 return usb_bulk_msg(usb->usbdev, pipe, data, len,
924 &transferred, timeout);
925 }
926
go7007_usb_release(struct go7007 * go)927 static void go7007_usb_release(struct go7007 *go)
928 {
929 struct go7007_usb *usb = go->hpi_context;
930 struct urb *vurb, *aurb;
931 int i;
932
933 if (usb->intr_urb) {
934 usb_kill_urb(usb->intr_urb);
935 kfree(usb->intr_urb->transfer_buffer);
936 usb_free_urb(usb->intr_urb);
937 }
938
939 /* Free USB-related structs */
940 for (i = 0; i < 8; ++i) {
941 vurb = usb->video_urbs[i];
942 if (vurb) {
943 usb_kill_urb(vurb);
944 kfree(vurb->transfer_buffer);
945 usb_free_urb(vurb);
946 }
947 aurb = usb->audio_urbs[i];
948 if (aurb) {
949 usb_kill_urb(aurb);
950 kfree(aurb->transfer_buffer);
951 usb_free_urb(aurb);
952 }
953 }
954
955 kfree(go->hpi_context);
956 }
957
958 static struct go7007_hpi_ops go7007_usb_ezusb_hpi_ops = {
959 .interface_reset = go7007_usb_interface_reset,
960 .write_interrupt = go7007_usb_ezusb_write_interrupt,
961 .read_interrupt = go7007_usb_read_interrupt,
962 .stream_start = go7007_usb_stream_start,
963 .stream_stop = go7007_usb_stream_stop,
964 .send_firmware = go7007_usb_send_firmware,
965 .release = go7007_usb_release,
966 };
967
968 static struct go7007_hpi_ops go7007_usb_onboard_hpi_ops = {
969 .interface_reset = go7007_usb_interface_reset,
970 .write_interrupt = go7007_usb_onboard_write_interrupt,
971 .read_interrupt = go7007_usb_read_interrupt,
972 .stream_start = go7007_usb_stream_start,
973 .stream_stop = go7007_usb_stream_stop,
974 .send_firmware = go7007_usb_send_firmware,
975 .release = go7007_usb_release,
976 };
977
978 /********************* Driver for EZ-USB I2C adapter *********************/
979
go7007_usb_i2c_master_xfer(struct i2c_adapter * adapter,struct i2c_msg msgs[],int num)980 static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
981 struct i2c_msg msgs[], int num)
982 {
983 struct go7007 *go = i2c_get_adapdata(adapter);
984 struct go7007_usb *usb = go->hpi_context;
985 u8 *buf = go->usb_buf;
986 int buf_len, i;
987 int ret = -EIO;
988
989 if (go->status == STATUS_SHUTDOWN)
990 return -ENODEV;
991
992 mutex_lock(&usb->i2c_lock);
993
994 for (i = 0; i < num; ++i) {
995 /* The hardware command is "write some bytes then read some
996 * bytes", so we try to coalesce a write followed by a read
997 * into a single USB transaction */
998 if (i + 1 < num && msgs[i].addr == msgs[i + 1].addr &&
999 !(msgs[i].flags & I2C_M_RD) &&
1000 (msgs[i + 1].flags & I2C_M_RD)) {
1001 #ifdef GO7007_I2C_DEBUG
1002 printk(KERN_DEBUG "go7007-usb: i2c write/read %d/%d "
1003 "bytes on %02x\n", msgs[i].len,
1004 msgs[i + 1].len, msgs[i].addr);
1005 #endif
1006 buf[0] = 0x01;
1007 buf[1] = msgs[i].len + 1;
1008 buf[2] = msgs[i].addr << 1;
1009 memcpy(&buf[3], msgs[i].buf, msgs[i].len);
1010 buf_len = msgs[i].len + 3;
1011 buf[buf_len++] = msgs[++i].len;
1012 } else if (msgs[i].flags & I2C_M_RD) {
1013 #ifdef GO7007_I2C_DEBUG
1014 printk(KERN_DEBUG "go7007-usb: i2c read %d "
1015 "bytes on %02x\n", msgs[i].len,
1016 msgs[i].addr);
1017 #endif
1018 buf[0] = 0x01;
1019 buf[1] = 1;
1020 buf[2] = msgs[i].addr << 1;
1021 buf[3] = msgs[i].len;
1022 buf_len = 4;
1023 } else {
1024 #ifdef GO7007_I2C_DEBUG
1025 printk(KERN_DEBUG "go7007-usb: i2c write %d "
1026 "bytes on %02x\n", msgs[i].len,
1027 msgs[i].addr);
1028 #endif
1029 buf[0] = 0x00;
1030 buf[1] = msgs[i].len + 1;
1031 buf[2] = msgs[i].addr << 1;
1032 memcpy(&buf[3], msgs[i].buf, msgs[i].len);
1033 buf_len = msgs[i].len + 3;
1034 buf[buf_len++] = 0;
1035 }
1036 if (go7007_usb_vendor_request(go, 0x24, 0, 0,
1037 buf, buf_len, 0) < 0)
1038 goto i2c_done;
1039 if (msgs[i].flags & I2C_M_RD) {
1040 memset(buf, 0, msgs[i].len + 1);
1041 if (go7007_usb_vendor_request(go, 0x25, 0, 0, buf,
1042 msgs[i].len + 1, 1) < 0)
1043 goto i2c_done;
1044 memcpy(msgs[i].buf, buf + 1, msgs[i].len);
1045 }
1046 }
1047 ret = num;
1048
1049 i2c_done:
1050 mutex_unlock(&usb->i2c_lock);
1051 return ret;
1052 }
1053
go7007_usb_functionality(struct i2c_adapter * adapter)1054 static u32 go7007_usb_functionality(struct i2c_adapter *adapter)
1055 {
1056 /* No errors are reported by the hardware, so we don't bother
1057 * supporting quick writes to avoid confusing probing */
1058 return (I2C_FUNC_SMBUS_EMUL) & ~I2C_FUNC_SMBUS_QUICK;
1059 }
1060
1061 static struct i2c_algorithm go7007_usb_algo = {
1062 .master_xfer = go7007_usb_i2c_master_xfer,
1063 .functionality = go7007_usb_functionality,
1064 };
1065
1066 static struct i2c_adapter go7007_usb_adap_templ = {
1067 .owner = THIS_MODULE,
1068 .name = "WIS GO7007SB EZ-USB",
1069 .algo = &go7007_usb_algo,
1070 };
1071
1072 /********************* USB add/remove functions *********************/
1073
go7007_usb_probe(struct usb_interface * intf,const struct usb_device_id * id)1074 static int go7007_usb_probe(struct usb_interface *intf,
1075 const struct usb_device_id *id)
1076 {
1077 struct go7007 *go;
1078 struct go7007_usb *usb;
1079 const struct go7007_usb_board *board;
1080 struct usb_device *usbdev = interface_to_usbdev(intf);
1081 unsigned num_i2c_devs;
1082 char *name;
1083 int video_pipe, i, v_urb_len;
1084
1085 printk(KERN_DEBUG "go7007-usb: probing new GO7007 USB board\n");
1086
1087 switch (id->driver_info) {
1088 case GO7007_BOARDID_MATRIX_II:
1089 name = "WIS Matrix II or compatible";
1090 board = &board_matrix_ii;
1091 break;
1092 case GO7007_BOARDID_MATRIX_RELOAD:
1093 name = "WIS Matrix Reloaded or compatible";
1094 board = &board_matrix_reload;
1095 break;
1096 case GO7007_BOARDID_MATRIX_REV:
1097 name = "WIS Matrix Revolution or compatible";
1098 board = &board_matrix_revolution;
1099 break;
1100 case GO7007_BOARDID_STAR_TREK:
1101 name = "WIS Star Trek or compatible";
1102 board = &board_star_trek;
1103 break;
1104 case GO7007_BOARDID_XMEN:
1105 name = "WIS XMen or compatible";
1106 board = &board_xmen;
1107 break;
1108 case GO7007_BOARDID_XMEN_II:
1109 name = "WIS XMen II or compatible";
1110 board = &board_xmen;
1111 break;
1112 case GO7007_BOARDID_XMEN_III:
1113 name = "WIS XMen III or compatible";
1114 board = &board_xmen;
1115 break;
1116 case GO7007_BOARDID_PX_M402U:
1117 name = "Plextor PX-M402U";
1118 board = &board_matrix_ii;
1119 break;
1120 case GO7007_BOARDID_PX_TV402U:
1121 name = "Plextor PX-TV402U (unknown tuner)";
1122 board = &board_px_tv402u;
1123 break;
1124 case GO7007_BOARDID_LIFEVIEW_LR192:
1125 printk(KERN_ERR "go7007-usb: The Lifeview TV Walker Ultra "
1126 "is not supported. Sorry!\n");
1127 return 0;
1128 name = "Lifeview TV Walker Ultra";
1129 board = &board_lifeview_lr192;
1130 break;
1131 case GO7007_BOARDID_SENSORAY_2250:
1132 printk(KERN_INFO "Sensoray 2250 found\n");
1133 name = "Sensoray 2250/2251";
1134 board = &board_sensoray_2250;
1135 break;
1136 case GO7007_BOARDID_ADS_USBAV_709:
1137 name = "ADS Tech DVD Xpress DX2";
1138 board = &board_ads_usbav_709;
1139 break;
1140 default:
1141 printk(KERN_ERR "go7007-usb: unknown board ID %d!\n",
1142 (unsigned int)id->driver_info);
1143 return 0;
1144 }
1145
1146 go = go7007_alloc(&board->main_info, &intf->dev);
1147 if (go == NULL)
1148 return -ENOMEM;
1149
1150 usb = kzalloc(sizeof(struct go7007_usb), GFP_KERNEL);
1151 if (usb == NULL) {
1152 kfree(go);
1153 return -ENOMEM;
1154 }
1155
1156 usb->board = board;
1157 usb->usbdev = usbdev;
1158 usb_make_path(usbdev, go->bus_info, sizeof(go->bus_info));
1159 go->board_id = id->driver_info;
1160 strncpy(go->name, name, sizeof(go->name));
1161 if (board->flags & GO7007_USB_EZUSB)
1162 go->hpi_ops = &go7007_usb_ezusb_hpi_ops;
1163 else
1164 go->hpi_ops = &go7007_usb_onboard_hpi_ops;
1165 go->hpi_context = usb;
1166
1167 /* Allocate the URB and buffer for receiving incoming interrupts */
1168 usb->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
1169 if (usb->intr_urb == NULL)
1170 goto allocfail;
1171 usb->intr_urb->transfer_buffer = kmalloc(2*sizeof(u16), GFP_KERNEL);
1172 if (usb->intr_urb->transfer_buffer == NULL)
1173 goto allocfail;
1174
1175 if (go->board_id == GO7007_BOARDID_SENSORAY_2250)
1176 usb_fill_bulk_urb(usb->intr_urb, usb->usbdev,
1177 usb_rcvbulkpipe(usb->usbdev, 4),
1178 usb->intr_urb->transfer_buffer, 2*sizeof(u16),
1179 go7007_usb_readinterrupt_complete, go);
1180 else
1181 usb_fill_int_urb(usb->intr_urb, usb->usbdev,
1182 usb_rcvintpipe(usb->usbdev, 4),
1183 usb->intr_urb->transfer_buffer, 2*sizeof(u16),
1184 go7007_usb_readinterrupt_complete, go, 8);
1185 usb_set_intfdata(intf, &go->v4l2_dev);
1186
1187 /* Boot the GO7007 */
1188 if (go7007_boot_encoder(go, go->board_info->flags &
1189 GO7007_BOARD_USE_ONBOARD_I2C) < 0)
1190 goto allocfail;
1191
1192 /* Register the EZ-USB I2C adapter, if we're using it */
1193 if (board->flags & GO7007_USB_EZUSB_I2C) {
1194 memcpy(&go->i2c_adapter, &go7007_usb_adap_templ,
1195 sizeof(go7007_usb_adap_templ));
1196 mutex_init(&usb->i2c_lock);
1197 go->i2c_adapter.dev.parent = go->dev;
1198 i2c_set_adapdata(&go->i2c_adapter, go);
1199 if (i2c_add_adapter(&go->i2c_adapter) < 0) {
1200 printk(KERN_ERR
1201 "go7007-usb: error: i2c_add_adapter failed\n");
1202 goto allocfail;
1203 }
1204 go->i2c_adapter_online = 1;
1205 }
1206
1207 /* Pelco and Adlink reused the XMen and XMen-III vendor and product
1208 * IDs for their own incompatible designs. We can detect XMen boards
1209 * by probing the sensor, but there is no way to probe the sensors on
1210 * the Pelco and Adlink designs so we default to the Adlink. If it
1211 * is actually a Pelco, the user must set the assume_endura module
1212 * parameter. */
1213 if ((go->board_id == GO7007_BOARDID_XMEN ||
1214 go->board_id == GO7007_BOARDID_XMEN_III) &&
1215 go->i2c_adapter_online) {
1216 union i2c_smbus_data data;
1217
1218 /* Check to see if register 0x0A is 0x76 */
1219 i2c_smbus_xfer(&go->i2c_adapter, 0x21, I2C_CLIENT_SCCB,
1220 I2C_SMBUS_READ, 0x0A, I2C_SMBUS_BYTE_DATA, &data);
1221 if (data.byte != 0x76) {
1222 if (assume_endura) {
1223 go->board_id = GO7007_BOARDID_ENDURA;
1224 usb->board = board = &board_endura;
1225 go->board_info = &board->main_info;
1226 strncpy(go->name, "Pelco Endura",
1227 sizeof(go->name));
1228 } else {
1229 u16 channel;
1230
1231 /* read channel number from GPIO[1:0] */
1232 go7007_read_addr(go, 0x3c81, &channel);
1233 channel &= 0x3;
1234 go->board_id = GO7007_BOARDID_ADLINK_MPG24;
1235 usb->board = board = &board_adlink_mpg24;
1236 go->board_info = &board->main_info;
1237 go->channel_number = channel;
1238 snprintf(go->name, sizeof(go->name),
1239 "Adlink PCI-MPG24, channel #%d",
1240 channel);
1241 }
1242 go7007_update_board(go);
1243 }
1244 }
1245
1246 num_i2c_devs = go->board_info->num_i2c_devs;
1247
1248 /* Probe the tuner model on the TV402U */
1249 if (go->board_id == GO7007_BOARDID_PX_TV402U) {
1250 /* Board strapping indicates tuner model */
1251 if (go7007_usb_vendor_request(go, 0x41, 0, 0, go->usb_buf, 3, 1) < 0) {
1252 printk(KERN_ERR "go7007-usb: GPIO read failed!\n");
1253 goto allocfail;
1254 }
1255 switch (go->usb_buf[0] >> 6) {
1256 case 1:
1257 go->tuner_type = TUNER_SONY_BTF_PG472Z;
1258 go->std = V4L2_STD_PAL;
1259 strncpy(go->name, "Plextor PX-TV402U-EU",
1260 sizeof(go->name));
1261 break;
1262 case 2:
1263 go->tuner_type = TUNER_SONY_BTF_PK467Z;
1264 go->std = V4L2_STD_NTSC_M_JP;
1265 num_i2c_devs -= 2;
1266 strncpy(go->name, "Plextor PX-TV402U-JP",
1267 sizeof(go->name));
1268 break;
1269 case 3:
1270 go->tuner_type = TUNER_SONY_BTF_PB463Z;
1271 num_i2c_devs -= 2;
1272 strncpy(go->name, "Plextor PX-TV402U-NA",
1273 sizeof(go->name));
1274 break;
1275 default:
1276 printk(KERN_DEBUG "go7007-usb: unable to detect "
1277 "tuner type!\n");
1278 break;
1279 }
1280 /* Configure tuner mode selection inputs connected
1281 * to the EZ-USB GPIO output pins */
1282 if (go7007_usb_vendor_request(go, 0x40, 0x7f02, 0,
1283 NULL, 0, 0) < 0) {
1284 printk(KERN_ERR "go7007-usb: GPIO write failed!\n");
1285 goto allocfail;
1286 }
1287 }
1288
1289 /* Print a nasty message if the user attempts to use a USB2.0 device in
1290 * a USB1.1 port. There will be silent corruption of the stream. */
1291 if ((board->flags & GO7007_USB_EZUSB) &&
1292 usbdev->speed != USB_SPEED_HIGH)
1293 printk(KERN_ERR "go7007-usb: *** WARNING *** This device "
1294 "must be connected to a USB 2.0 port! "
1295 "Attempting to capture video through a USB 1.1 "
1296 "port will result in stream corruption, even "
1297 "at low bitrates!\n");
1298
1299 /* Allocate the URBs and buffers for receiving the video stream */
1300 if (board->flags & GO7007_USB_EZUSB) {
1301 v_urb_len = 1024;
1302 video_pipe = usb_rcvbulkpipe(usb->usbdev, 6);
1303 } else {
1304 v_urb_len = 512;
1305 video_pipe = usb_rcvbulkpipe(usb->usbdev, 1);
1306 }
1307 for (i = 0; i < 8; ++i) {
1308 usb->video_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1309 if (usb->video_urbs[i] == NULL)
1310 goto allocfail;
1311 usb->video_urbs[i]->transfer_buffer =
1312 kmalloc(v_urb_len, GFP_KERNEL);
1313 if (usb->video_urbs[i]->transfer_buffer == NULL)
1314 goto allocfail;
1315 usb_fill_bulk_urb(usb->video_urbs[i], usb->usbdev, video_pipe,
1316 usb->video_urbs[i]->transfer_buffer, v_urb_len,
1317 go7007_usb_read_video_pipe_complete, go);
1318 }
1319
1320 /* Allocate the URBs and buffers for receiving the audio stream */
1321 if ((board->flags & GO7007_USB_EZUSB) &&
1322 (board->flags & GO7007_BOARD_HAS_AUDIO)) {
1323 for (i = 0; i < 8; ++i) {
1324 usb->audio_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1325 if (usb->audio_urbs[i] == NULL)
1326 goto allocfail;
1327 usb->audio_urbs[i]->transfer_buffer = kmalloc(4096,
1328 GFP_KERNEL);
1329 if (usb->audio_urbs[i]->transfer_buffer == NULL)
1330 goto allocfail;
1331 usb_fill_bulk_urb(usb->audio_urbs[i], usb->usbdev,
1332 usb_rcvbulkpipe(usb->usbdev, 8),
1333 usb->audio_urbs[i]->transfer_buffer, 4096,
1334 go7007_usb_read_audio_pipe_complete, go);
1335 }
1336 }
1337
1338 /* Do any final GO7007 initialization, then register the
1339 * V4L2 and ALSA interfaces */
1340 if (go7007_register_encoder(go, num_i2c_devs) < 0)
1341 goto allocfail;
1342
1343 go->status = STATUS_ONLINE;
1344 return 0;
1345
1346 allocfail:
1347 go7007_usb_release(go);
1348 kfree(go);
1349 return -ENOMEM;
1350 }
1351
go7007_usb_disconnect(struct usb_interface * intf)1352 static void go7007_usb_disconnect(struct usb_interface *intf)
1353 {
1354 struct go7007 *go = to_go7007(usb_get_intfdata(intf));
1355
1356 mutex_lock(&go->queue_lock);
1357 mutex_lock(&go->serialize_lock);
1358
1359 if (go->audio_enabled)
1360 go7007_snd_remove(go);
1361
1362 go->status = STATUS_SHUTDOWN;
1363 v4l2_device_disconnect(&go->v4l2_dev);
1364 video_unregister_device(&go->vdev);
1365 mutex_unlock(&go->serialize_lock);
1366 mutex_unlock(&go->queue_lock);
1367
1368 v4l2_device_put(&go->v4l2_dev);
1369 }
1370
1371 static struct usb_driver go7007_usb_driver = {
1372 .name = "go7007",
1373 .probe = go7007_usb_probe,
1374 .disconnect = go7007_usb_disconnect,
1375 .id_table = go7007_usb_id_table,
1376 };
1377
1378 module_usb_driver(go7007_usb_driver);
1379 MODULE_LICENSE("GPL v2");
1380