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[mirror_ubuntu-zesty-kernel.git] / drivers / media / usb / au0828 / au0828-video.c
1 /*
2 * Auvitek AU0828 USB Bridge (Analog video support)
3 *
4 * Copyright (C) 2009 Devin Heitmueller <dheitmueller@linuxtv.org>
5 * Copyright (C) 2005-2008 Auvitek International, Ltd.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * As published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
20 * 02110-1301, USA.
21 */
22
23 /* Developer Notes:
24 *
25 * The hardware scaler supported is unimplemented
26 * AC97 audio support is unimplemented (only i2s audio mode)
27 *
28 */
29
30 #include "au0828.h"
31
32 #include <linux/module.h>
33 #include <linux/slab.h>
34 #include <linux/init.h>
35 #include <linux/device.h>
36 #include <media/v4l2-common.h>
37 #include <media/v4l2-ioctl.h>
38 #include <media/v4l2-event.h>
39 #include <media/tuner.h>
40 #include "au0828-reg.h"
41
42 static DEFINE_MUTEX(au0828_sysfs_lock);
43
44 /* ------------------------------------------------------------------
45 Videobuf operations
46 ------------------------------------------------------------------*/
47
48 static unsigned int isoc_debug;
49 module_param(isoc_debug, int, 0644);
50 MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]");
51
52 #define au0828_isocdbg(fmt, arg...) \
53 do {\
54 if (isoc_debug) { \
55 pr_info("au0828 %s :"fmt, \
56 __func__ , ##arg); \
57 } \
58 } while (0)
59
60 static inline void i2c_gate_ctrl(struct au0828_dev *dev, int val)
61 {
62 if (dev->dvb.frontend && dev->dvb.frontend->ops.analog_ops.i2c_gate_ctrl)
63 dev->dvb.frontend->ops.analog_ops.i2c_gate_ctrl(dev->dvb.frontend, val);
64 }
65
66 static inline void print_err_status(struct au0828_dev *dev,
67 int packet, int status)
68 {
69 char *errmsg = "Unknown";
70
71 switch (status) {
72 case -ENOENT:
73 errmsg = "unlinked synchronuously";
74 break;
75 case -ECONNRESET:
76 errmsg = "unlinked asynchronuously";
77 break;
78 case -ENOSR:
79 errmsg = "Buffer error (overrun)";
80 break;
81 case -EPIPE:
82 errmsg = "Stalled (device not responding)";
83 break;
84 case -EOVERFLOW:
85 errmsg = "Babble (bad cable?)";
86 break;
87 case -EPROTO:
88 errmsg = "Bit-stuff error (bad cable?)";
89 break;
90 case -EILSEQ:
91 errmsg = "CRC/Timeout (could be anything)";
92 break;
93 case -ETIME:
94 errmsg = "Device does not respond";
95 break;
96 }
97 if (packet < 0) {
98 au0828_isocdbg("URB status %d [%s].\n", status, errmsg);
99 } else {
100 au0828_isocdbg("URB packet %d, status %d [%s].\n",
101 packet, status, errmsg);
102 }
103 }
104
105 static int check_dev(struct au0828_dev *dev)
106 {
107 if (dev->dev_state & DEV_DISCONNECTED) {
108 pr_info("v4l2 ioctl: device not present\n");
109 return -ENODEV;
110 }
111
112 if (dev->dev_state & DEV_MISCONFIGURED) {
113 pr_info("v4l2 ioctl: device is misconfigured; "
114 "close and open it again\n");
115 return -EIO;
116 }
117 return 0;
118 }
119
120 /*
121 * IRQ callback, called by URB callback
122 */
123 static void au0828_irq_callback(struct urb *urb)
124 {
125 struct au0828_dmaqueue *dma_q = urb->context;
126 struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vidq);
127 unsigned long flags = 0;
128 int i;
129
130 switch (urb->status) {
131 case 0: /* success */
132 case -ETIMEDOUT: /* NAK */
133 break;
134 case -ECONNRESET: /* kill */
135 case -ENOENT:
136 case -ESHUTDOWN:
137 au0828_isocdbg("au0828_irq_callback called: status kill\n");
138 return;
139 default: /* unknown error */
140 au0828_isocdbg("urb completition error %d.\n", urb->status);
141 break;
142 }
143
144 /* Copy data from URB */
145 spin_lock_irqsave(&dev->slock, flags);
146 dev->isoc_ctl.isoc_copy(dev, urb);
147 spin_unlock_irqrestore(&dev->slock, flags);
148
149 /* Reset urb buffers */
150 for (i = 0; i < urb->number_of_packets; i++) {
151 urb->iso_frame_desc[i].status = 0;
152 urb->iso_frame_desc[i].actual_length = 0;
153 }
154 urb->status = 0;
155
156 urb->status = usb_submit_urb(urb, GFP_ATOMIC);
157 if (urb->status) {
158 au0828_isocdbg("urb resubmit failed (error=%i)\n",
159 urb->status);
160 }
161 dev->stream_state = STREAM_ON;
162 }
163
164 /*
165 * Stop and Deallocate URBs
166 */
167 static void au0828_uninit_isoc(struct au0828_dev *dev)
168 {
169 struct urb *urb;
170 int i;
171
172 au0828_isocdbg("au0828: called au0828_uninit_isoc\n");
173
174 dev->isoc_ctl.nfields = -1;
175 for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
176 urb = dev->isoc_ctl.urb[i];
177 if (urb) {
178 if (!irqs_disabled())
179 usb_kill_urb(urb);
180 else
181 usb_unlink_urb(urb);
182
183 if (dev->isoc_ctl.transfer_buffer[i]) {
184 usb_free_coherent(dev->usbdev,
185 urb->transfer_buffer_length,
186 dev->isoc_ctl.transfer_buffer[i],
187 urb->transfer_dma);
188 }
189 usb_free_urb(urb);
190 dev->isoc_ctl.urb[i] = NULL;
191 }
192 dev->isoc_ctl.transfer_buffer[i] = NULL;
193 }
194
195 kfree(dev->isoc_ctl.urb);
196 kfree(dev->isoc_ctl.transfer_buffer);
197
198 dev->isoc_ctl.urb = NULL;
199 dev->isoc_ctl.transfer_buffer = NULL;
200 dev->isoc_ctl.num_bufs = 0;
201
202 dev->stream_state = STREAM_OFF;
203 }
204
205 /*
206 * Allocate URBs and start IRQ
207 */
208 static int au0828_init_isoc(struct au0828_dev *dev, int max_packets,
209 int num_bufs, int max_pkt_size,
210 int (*isoc_copy) (struct au0828_dev *dev, struct urb *urb))
211 {
212 struct au0828_dmaqueue *dma_q = &dev->vidq;
213 int i;
214 int sb_size, pipe;
215 struct urb *urb;
216 int j, k;
217 int rc;
218
219 au0828_isocdbg("au0828: called au0828_prepare_isoc\n");
220
221 dev->isoc_ctl.isoc_copy = isoc_copy;
222 dev->isoc_ctl.num_bufs = num_bufs;
223
224 dev->isoc_ctl.urb = kzalloc(sizeof(void *)*num_bufs, GFP_KERNEL);
225 if (!dev->isoc_ctl.urb) {
226 au0828_isocdbg("cannot alloc memory for usb buffers\n");
227 return -ENOMEM;
228 }
229
230 dev->isoc_ctl.transfer_buffer = kzalloc(sizeof(void *)*num_bufs,
231 GFP_KERNEL);
232 if (!dev->isoc_ctl.transfer_buffer) {
233 au0828_isocdbg("cannot allocate memory for usb transfer\n");
234 kfree(dev->isoc_ctl.urb);
235 return -ENOMEM;
236 }
237
238 dev->isoc_ctl.max_pkt_size = max_pkt_size;
239 dev->isoc_ctl.buf = NULL;
240
241 sb_size = max_packets * dev->isoc_ctl.max_pkt_size;
242
243 /* allocate urbs and transfer buffers */
244 for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
245 urb = usb_alloc_urb(max_packets, GFP_KERNEL);
246 if (!urb) {
247 au0828_isocdbg("cannot alloc isoc_ctl.urb %i\n", i);
248 au0828_uninit_isoc(dev);
249 return -ENOMEM;
250 }
251 dev->isoc_ctl.urb[i] = urb;
252
253 dev->isoc_ctl.transfer_buffer[i] = usb_alloc_coherent(dev->usbdev,
254 sb_size, GFP_KERNEL, &urb->transfer_dma);
255 if (!dev->isoc_ctl.transfer_buffer[i]) {
256 printk("unable to allocate %i bytes for transfer"
257 " buffer %i%s\n",
258 sb_size, i,
259 in_interrupt() ? " while in int" : "");
260 au0828_uninit_isoc(dev);
261 return -ENOMEM;
262 }
263 memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size);
264
265 pipe = usb_rcvisocpipe(dev->usbdev,
266 dev->isoc_in_endpointaddr),
267
268 usb_fill_int_urb(urb, dev->usbdev, pipe,
269 dev->isoc_ctl.transfer_buffer[i], sb_size,
270 au0828_irq_callback, dma_q, 1);
271
272 urb->number_of_packets = max_packets;
273 urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
274
275 k = 0;
276 for (j = 0; j < max_packets; j++) {
277 urb->iso_frame_desc[j].offset = k;
278 urb->iso_frame_desc[j].length =
279 dev->isoc_ctl.max_pkt_size;
280 k += dev->isoc_ctl.max_pkt_size;
281 }
282 }
283
284 /* submit urbs and enables IRQ */
285 for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
286 rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC);
287 if (rc) {
288 au0828_isocdbg("submit of urb %i failed (error=%i)\n",
289 i, rc);
290 au0828_uninit_isoc(dev);
291 return rc;
292 }
293 }
294
295 return 0;
296 }
297
298 /*
299 * Announces that a buffer were filled and request the next
300 */
301 static inline void buffer_filled(struct au0828_dev *dev,
302 struct au0828_dmaqueue *dma_q,
303 struct au0828_buffer *buf)
304 {
305 struct vb2_v4l2_buffer *vb = &buf->vb;
306 struct vb2_queue *q = vb->vb2_buf.vb2_queue;
307
308 /* Advice that buffer was filled */
309 au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->top_field);
310
311 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
312 vb->sequence = dev->frame_count++;
313 else
314 vb->sequence = dev->vbi_frame_count++;
315
316 vb->field = V4L2_FIELD_INTERLACED;
317 vb->vb2_buf.timestamp = ktime_get_ns();
318 vb2_buffer_done(&vb->vb2_buf, VB2_BUF_STATE_DONE);
319 }
320
321 /*
322 * Identify the buffer header type and properly handles
323 */
324 static void au0828_copy_video(struct au0828_dev *dev,
325 struct au0828_dmaqueue *dma_q,
326 struct au0828_buffer *buf,
327 unsigned char *p,
328 unsigned char *outp, unsigned long len)
329 {
330 void *fieldstart, *startwrite, *startread;
331 int linesdone, currlinedone, offset, lencopy, remain;
332 int bytesperline = dev->width << 1; /* Assumes 16-bit depth @@@@ */
333
334 if (len == 0)
335 return;
336
337 if (dma_q->pos + len > buf->length)
338 len = buf->length - dma_q->pos;
339
340 startread = p;
341 remain = len;
342
343 /* Interlaces frame */
344 if (buf->top_field)
345 fieldstart = outp;
346 else
347 fieldstart = outp + bytesperline;
348
349 linesdone = dma_q->pos / bytesperline;
350 currlinedone = dma_q->pos % bytesperline;
351 offset = linesdone * bytesperline * 2 + currlinedone;
352 startwrite = fieldstart + offset;
353 lencopy = bytesperline - currlinedone;
354 lencopy = lencopy > remain ? remain : lencopy;
355
356 if ((char *)startwrite + lencopy > (char *)outp + buf->length) {
357 au0828_isocdbg("Overflow of %zi bytes past buffer end (1)\n",
358 ((char *)startwrite + lencopy) -
359 ((char *)outp + buf->length));
360 remain = (char *)outp + buf->length - (char *)startwrite;
361 lencopy = remain;
362 }
363 if (lencopy <= 0)
364 return;
365 memcpy(startwrite, startread, lencopy);
366
367 remain -= lencopy;
368
369 while (remain > 0) {
370 startwrite += lencopy + bytesperline;
371 startread += lencopy;
372 if (bytesperline > remain)
373 lencopy = remain;
374 else
375 lencopy = bytesperline;
376
377 if ((char *)startwrite + lencopy > (char *)outp +
378 buf->length) {
379 au0828_isocdbg("Overflow %zi bytes past buf end (2)\n",
380 ((char *)startwrite + lencopy) -
381 ((char *)outp + buf->length));
382 lencopy = remain = (char *)outp + buf->length -
383 (char *)startwrite;
384 }
385 if (lencopy <= 0)
386 break;
387
388 memcpy(startwrite, startread, lencopy);
389
390 remain -= lencopy;
391 }
392
393 if (offset > 1440) {
394 /* We have enough data to check for greenscreen */
395 if (outp[0] < 0x60 && outp[1440] < 0x60)
396 dev->greenscreen_detected = 1;
397 }
398
399 dma_q->pos += len;
400 }
401
402 /*
403 * video-buf generic routine to get the next available buffer
404 */
405 static inline void get_next_buf(struct au0828_dmaqueue *dma_q,
406 struct au0828_buffer **buf)
407 {
408 struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vidq);
409
410 if (list_empty(&dma_q->active)) {
411 au0828_isocdbg("No active queue to serve\n");
412 dev->isoc_ctl.buf = NULL;
413 *buf = NULL;
414 return;
415 }
416
417 /* Get the next buffer */
418 *buf = list_entry(dma_q->active.next, struct au0828_buffer, list);
419 /* Cleans up buffer - Useful for testing for frame/URB loss */
420 list_del(&(*buf)->list);
421 dma_q->pos = 0;
422 (*buf)->vb_buf = (*buf)->mem;
423 dev->isoc_ctl.buf = *buf;
424
425 return;
426 }
427
428 static void au0828_copy_vbi(struct au0828_dev *dev,
429 struct au0828_dmaqueue *dma_q,
430 struct au0828_buffer *buf,
431 unsigned char *p,
432 unsigned char *outp, unsigned long len)
433 {
434 unsigned char *startwrite, *startread;
435 int bytesperline;
436 int i, j = 0;
437
438 if (dev == NULL) {
439 au0828_isocdbg("dev is null\n");
440 return;
441 }
442
443 if (dma_q == NULL) {
444 au0828_isocdbg("dma_q is null\n");
445 return;
446 }
447 if (buf == NULL)
448 return;
449 if (p == NULL) {
450 au0828_isocdbg("p is null\n");
451 return;
452 }
453 if (outp == NULL) {
454 au0828_isocdbg("outp is null\n");
455 return;
456 }
457
458 bytesperline = dev->vbi_width;
459
460 if (dma_q->pos + len > buf->length)
461 len = buf->length - dma_q->pos;
462
463 startread = p;
464 startwrite = outp + (dma_q->pos / 2);
465
466 /* Make sure the bottom field populates the second half of the frame */
467 if (buf->top_field == 0)
468 startwrite += bytesperline * dev->vbi_height;
469
470 for (i = 0; i < len; i += 2)
471 startwrite[j++] = startread[i+1];
472
473 dma_q->pos += len;
474 }
475
476
477 /*
478 * video-buf generic routine to get the next available VBI buffer
479 */
480 static inline void vbi_get_next_buf(struct au0828_dmaqueue *dma_q,
481 struct au0828_buffer **buf)
482 {
483 struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vbiq);
484
485 if (list_empty(&dma_q->active)) {
486 au0828_isocdbg("No active queue to serve\n");
487 dev->isoc_ctl.vbi_buf = NULL;
488 *buf = NULL;
489 return;
490 }
491
492 /* Get the next buffer */
493 *buf = list_entry(dma_q->active.next, struct au0828_buffer, list);
494 /* Cleans up buffer - Useful for testing for frame/URB loss */
495 list_del(&(*buf)->list);
496 dma_q->pos = 0;
497 (*buf)->vb_buf = (*buf)->mem;
498 dev->isoc_ctl.vbi_buf = *buf;
499 return;
500 }
501
502 /*
503 * Controls the isoc copy of each urb packet
504 */
505 static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb)
506 {
507 struct au0828_buffer *buf;
508 struct au0828_buffer *vbi_buf;
509 struct au0828_dmaqueue *dma_q = urb->context;
510 struct au0828_dmaqueue *vbi_dma_q = &dev->vbiq;
511 unsigned char *outp = NULL;
512 unsigned char *vbioutp = NULL;
513 int i, len = 0, rc = 1;
514 unsigned char *p;
515 unsigned char fbyte;
516 unsigned int vbi_field_size;
517 unsigned int remain, lencopy;
518
519 if (!dev)
520 return 0;
521
522 if ((dev->dev_state & DEV_DISCONNECTED) ||
523 (dev->dev_state & DEV_MISCONFIGURED))
524 return 0;
525
526 if (urb->status < 0) {
527 print_err_status(dev, -1, urb->status);
528 if (urb->status == -ENOENT)
529 return 0;
530 }
531
532 buf = dev->isoc_ctl.buf;
533 if (buf != NULL)
534 outp = vb2_plane_vaddr(&buf->vb.vb2_buf, 0);
535
536 vbi_buf = dev->isoc_ctl.vbi_buf;
537 if (vbi_buf != NULL)
538 vbioutp = vb2_plane_vaddr(&vbi_buf->vb.vb2_buf, 0);
539
540 for (i = 0; i < urb->number_of_packets; i++) {
541 int status = urb->iso_frame_desc[i].status;
542
543 if (status < 0) {
544 print_err_status(dev, i, status);
545 if (urb->iso_frame_desc[i].status != -EPROTO)
546 continue;
547 }
548
549 if (urb->iso_frame_desc[i].actual_length <= 0)
550 continue;
551
552 if (urb->iso_frame_desc[i].actual_length >
553 dev->max_pkt_size) {
554 au0828_isocdbg("packet bigger than packet size");
555 continue;
556 }
557
558 p = urb->transfer_buffer + urb->iso_frame_desc[i].offset;
559 fbyte = p[0];
560 len = urb->iso_frame_desc[i].actual_length - 4;
561 p += 4;
562
563 if (fbyte & 0x80) {
564 len -= 4;
565 p += 4;
566 au0828_isocdbg("Video frame %s\n",
567 (fbyte & 0x40) ? "odd" : "even");
568 if (fbyte & 0x40) {
569 /* VBI */
570 if (vbi_buf != NULL)
571 buffer_filled(dev, vbi_dma_q, vbi_buf);
572 vbi_get_next_buf(vbi_dma_q, &vbi_buf);
573 if (vbi_buf == NULL)
574 vbioutp = NULL;
575 else
576 vbioutp = vb2_plane_vaddr(
577 &vbi_buf->vb.vb2_buf, 0);
578
579 /* Video */
580 if (buf != NULL)
581 buffer_filled(dev, dma_q, buf);
582 get_next_buf(dma_q, &buf);
583 if (buf == NULL)
584 outp = NULL;
585 else
586 outp = vb2_plane_vaddr(
587 &buf->vb.vb2_buf, 0);
588
589 /* As long as isoc traffic is arriving, keep
590 resetting the timer */
591 if (dev->vid_timeout_running)
592 mod_timer(&dev->vid_timeout,
593 jiffies + (HZ / 10));
594 if (dev->vbi_timeout_running)
595 mod_timer(&dev->vbi_timeout,
596 jiffies + (HZ / 10));
597 }
598
599 if (buf != NULL) {
600 if (fbyte & 0x40)
601 buf->top_field = 1;
602 else
603 buf->top_field = 0;
604 }
605
606 if (vbi_buf != NULL) {
607 if (fbyte & 0x40)
608 vbi_buf->top_field = 1;
609 else
610 vbi_buf->top_field = 0;
611 }
612
613 dev->vbi_read = 0;
614 vbi_dma_q->pos = 0;
615 dma_q->pos = 0;
616 }
617
618 vbi_field_size = dev->vbi_width * dev->vbi_height * 2;
619 if (dev->vbi_read < vbi_field_size) {
620 remain = vbi_field_size - dev->vbi_read;
621 if (len < remain)
622 lencopy = len;
623 else
624 lencopy = remain;
625
626 if (vbi_buf != NULL)
627 au0828_copy_vbi(dev, vbi_dma_q, vbi_buf, p,
628 vbioutp, len);
629
630 len -= lencopy;
631 p += lencopy;
632 dev->vbi_read += lencopy;
633 }
634
635 if (dev->vbi_read >= vbi_field_size && buf != NULL)
636 au0828_copy_video(dev, dma_q, buf, p, outp, len);
637 }
638 return rc;
639 }
640
641 static int au0828_enable_analog_tuner(struct au0828_dev *dev)
642 {
643 #ifdef CONFIG_MEDIA_CONTROLLER
644 struct media_device *mdev = dev->media_dev;
645 struct media_entity *source;
646 struct media_link *link, *found_link = NULL;
647 int ret, active_links = 0;
648
649 if (!mdev || !dev->decoder)
650 return 0;
651
652 /*
653 * This will find the tuner that is connected into the decoder.
654 * Technically, this is not 100% correct, as the device may be
655 * using an analog input instead of the tuner. However, as we can't
656 * do DVB streaming while the DMA engine is being used for V4L2,
657 * this should be enough for the actual needs.
658 */
659 list_for_each_entry(link, &dev->decoder->links, list) {
660 if (link->sink->entity == dev->decoder) {
661 found_link = link;
662 if (link->flags & MEDIA_LNK_FL_ENABLED)
663 active_links++;
664 break;
665 }
666 }
667
668 if (active_links == 1 || !found_link)
669 return 0;
670
671 source = found_link->source->entity;
672 list_for_each_entry(link, &source->links, list) {
673 struct media_entity *sink;
674 int flags = 0;
675
676 sink = link->sink->entity;
677
678 if (sink == dev->decoder)
679 flags = MEDIA_LNK_FL_ENABLED;
680
681 ret = media_entity_setup_link(link, flags);
682 if (ret) {
683 pr_err(
684 "Couldn't change link %s->%s to %s. Error %d\n",
685 source->name, sink->name,
686 flags ? "enabled" : "disabled",
687 ret);
688 return ret;
689 } else
690 au0828_isocdbg(
691 "link %s->%s was %s\n",
692 source->name, sink->name,
693 flags ? "ENABLED" : "disabled");
694 }
695 #endif
696 return 0;
697 }
698
699 static int queue_setup(struct vb2_queue *vq,
700 unsigned int *nbuffers, unsigned int *nplanes,
701 unsigned int sizes[], void *alloc_ctxs[])
702 {
703 struct au0828_dev *dev = vb2_get_drv_priv(vq);
704 unsigned long size = dev->height * dev->bytesperline;
705
706 if (*nplanes)
707 return sizes[0] < size ? -EINVAL : 0;
708 *nplanes = 1;
709 sizes[0] = size;
710
711 au0828_enable_analog_tuner(dev);
712
713 return 0;
714 }
715
716 static int
717 buffer_prepare(struct vb2_buffer *vb)
718 {
719 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
720 struct au0828_buffer *buf = container_of(vbuf,
721 struct au0828_buffer, vb);
722 struct au0828_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
723
724 buf->length = dev->height * dev->bytesperline;
725
726 if (vb2_plane_size(vb, 0) < buf->length) {
727 pr_err("%s data will not fit into plane (%lu < %lu)\n",
728 __func__, vb2_plane_size(vb, 0), buf->length);
729 return -EINVAL;
730 }
731 vb2_set_plane_payload(&buf->vb.vb2_buf, 0, buf->length);
732 return 0;
733 }
734
735 static void
736 buffer_queue(struct vb2_buffer *vb)
737 {
738 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
739 struct au0828_buffer *buf = container_of(vbuf,
740 struct au0828_buffer,
741 vb);
742 struct au0828_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
743 struct au0828_dmaqueue *vidq = &dev->vidq;
744 unsigned long flags = 0;
745
746 buf->mem = vb2_plane_vaddr(vb, 0);
747 buf->length = vb2_plane_size(vb, 0);
748
749 spin_lock_irqsave(&dev->slock, flags);
750 list_add_tail(&buf->list, &vidq->active);
751 spin_unlock_irqrestore(&dev->slock, flags);
752 }
753
754 static int au0828_i2s_init(struct au0828_dev *dev)
755 {
756 /* Enable i2s mode */
757 au0828_writereg(dev, AU0828_AUDIOCTRL_50C, 0x01);
758 return 0;
759 }
760
761 /*
762 * Auvitek au0828 analog stream enable
763 */
764 static int au0828_analog_stream_enable(struct au0828_dev *d)
765 {
766 struct usb_interface *iface;
767 int ret, h, w;
768
769 dprintk(1, "au0828_analog_stream_enable called\n");
770
771 iface = usb_ifnum_to_if(d->usbdev, 0);
772 if (iface && iface->cur_altsetting->desc.bAlternateSetting != 5) {
773 dprintk(1, "Changing intf#0 to alt 5\n");
774 /* set au0828 interface0 to AS5 here again */
775 ret = usb_set_interface(d->usbdev, 0, 5);
776 if (ret < 0) {
777 pr_info("Au0828 can't set alt setting to 5!\n");
778 return -EBUSY;
779 }
780 }
781
782 h = d->height / 2 + 2;
783 w = d->width * 2;
784
785 au0828_writereg(d, AU0828_SENSORCTRL_VBI_103, 0x00);
786 au0828_writereg(d, 0x106, 0x00);
787 /* set x position */
788 au0828_writereg(d, 0x110, 0x00);
789 au0828_writereg(d, 0x111, 0x00);
790 au0828_writereg(d, 0x114, w & 0xff);
791 au0828_writereg(d, 0x115, w >> 8);
792 /* set y position */
793 au0828_writereg(d, 0x112, 0x00);
794 au0828_writereg(d, 0x113, 0x00);
795 au0828_writereg(d, 0x116, h & 0xff);
796 au0828_writereg(d, 0x117, h >> 8);
797 au0828_writereg(d, AU0828_SENSORCTRL_100, 0xb3);
798
799 return 0;
800 }
801
802 static int au0828_analog_stream_disable(struct au0828_dev *d)
803 {
804 dprintk(1, "au0828_analog_stream_disable called\n");
805 au0828_writereg(d, AU0828_SENSORCTRL_100, 0x0);
806 return 0;
807 }
808
809 static void au0828_analog_stream_reset(struct au0828_dev *dev)
810 {
811 dprintk(1, "au0828_analog_stream_reset called\n");
812 au0828_writereg(dev, AU0828_SENSORCTRL_100, 0x0);
813 mdelay(30);
814 au0828_writereg(dev, AU0828_SENSORCTRL_100, 0xb3);
815 }
816
817 /*
818 * Some operations needs to stop current streaming
819 */
820 static int au0828_stream_interrupt(struct au0828_dev *dev)
821 {
822 int ret = 0;
823
824 dev->stream_state = STREAM_INTERRUPT;
825 if (dev->dev_state == DEV_DISCONNECTED)
826 return -ENODEV;
827 else if (ret) {
828 dev->dev_state = DEV_MISCONFIGURED;
829 dprintk(1, "%s device is misconfigured!\n", __func__);
830 return ret;
831 }
832 return 0;
833 }
834
835 int au0828_start_analog_streaming(struct vb2_queue *vq, unsigned int count)
836 {
837 struct au0828_dev *dev = vb2_get_drv_priv(vq);
838 int rc = 0;
839
840 dprintk(1, "au0828_start_analog_streaming called %d\n",
841 dev->streaming_users);
842
843 if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
844 dev->frame_count = 0;
845 else
846 dev->vbi_frame_count = 0;
847
848 if (dev->streaming_users == 0) {
849 /* If we were doing ac97 instead of i2s, it would go here...*/
850 au0828_i2s_init(dev);
851 rc = au0828_init_isoc(dev, AU0828_ISO_PACKETS_PER_URB,
852 AU0828_MAX_ISO_BUFS, dev->max_pkt_size,
853 au0828_isoc_copy);
854 if (rc < 0) {
855 pr_info("au0828_init_isoc failed\n");
856 return rc;
857 }
858
859 if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
860 v4l2_device_call_all(&dev->v4l2_dev, 0, video,
861 s_stream, 1);
862 dev->vid_timeout_running = 1;
863 mod_timer(&dev->vid_timeout, jiffies + (HZ / 10));
864 } else if (vq->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
865 dev->vbi_timeout_running = 1;
866 mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10));
867 }
868 }
869 dev->streaming_users++;
870 return rc;
871 }
872
873 static void au0828_stop_streaming(struct vb2_queue *vq)
874 {
875 struct au0828_dev *dev = vb2_get_drv_priv(vq);
876 struct au0828_dmaqueue *vidq = &dev->vidq;
877 unsigned long flags = 0;
878
879 dprintk(1, "au0828_stop_streaming called %d\n", dev->streaming_users);
880
881 if (dev->streaming_users-- == 1)
882 au0828_uninit_isoc(dev);
883
884 v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0);
885 dev->vid_timeout_running = 0;
886 del_timer_sync(&dev->vid_timeout);
887
888 spin_lock_irqsave(&dev->slock, flags);
889 if (dev->isoc_ctl.buf != NULL) {
890 vb2_buffer_done(&dev->isoc_ctl.buf->vb.vb2_buf,
891 VB2_BUF_STATE_ERROR);
892 dev->isoc_ctl.buf = NULL;
893 }
894 while (!list_empty(&vidq->active)) {
895 struct au0828_buffer *buf;
896
897 buf = list_entry(vidq->active.next, struct au0828_buffer, list);
898 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
899 list_del(&buf->list);
900 }
901 spin_unlock_irqrestore(&dev->slock, flags);
902 }
903
904 void au0828_stop_vbi_streaming(struct vb2_queue *vq)
905 {
906 struct au0828_dev *dev = vb2_get_drv_priv(vq);
907 struct au0828_dmaqueue *vbiq = &dev->vbiq;
908 unsigned long flags = 0;
909
910 dprintk(1, "au0828_stop_vbi_streaming called %d\n",
911 dev->streaming_users);
912
913 if (dev->streaming_users-- == 1)
914 au0828_uninit_isoc(dev);
915
916 spin_lock_irqsave(&dev->slock, flags);
917 if (dev->isoc_ctl.vbi_buf != NULL) {
918 vb2_buffer_done(&dev->isoc_ctl.vbi_buf->vb.vb2_buf,
919 VB2_BUF_STATE_ERROR);
920 dev->isoc_ctl.vbi_buf = NULL;
921 }
922 while (!list_empty(&vbiq->active)) {
923 struct au0828_buffer *buf;
924
925 buf = list_entry(vbiq->active.next, struct au0828_buffer, list);
926 list_del(&buf->list);
927 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
928 }
929 spin_unlock_irqrestore(&dev->slock, flags);
930
931 dev->vbi_timeout_running = 0;
932 del_timer_sync(&dev->vbi_timeout);
933 }
934
935 static struct vb2_ops au0828_video_qops = {
936 .queue_setup = queue_setup,
937 .buf_prepare = buffer_prepare,
938 .buf_queue = buffer_queue,
939 .start_streaming = au0828_start_analog_streaming,
940 .stop_streaming = au0828_stop_streaming,
941 .wait_prepare = vb2_ops_wait_prepare,
942 .wait_finish = vb2_ops_wait_finish,
943 };
944
945 /* ------------------------------------------------------------------
946 V4L2 interface
947 ------------------------------------------------------------------*/
948 /*
949 * au0828_analog_unregister
950 * unregister v4l2 devices
951 */
952 void au0828_analog_unregister(struct au0828_dev *dev)
953 {
954 dprintk(1, "au0828_analog_unregister called\n");
955 mutex_lock(&au0828_sysfs_lock);
956 video_unregister_device(&dev->vdev);
957 video_unregister_device(&dev->vbi_dev);
958 mutex_unlock(&au0828_sysfs_lock);
959 }
960
961 /* This function ensures that video frames continue to be delivered even if
962 the ITU-656 input isn't receiving any data (thereby preventing applications
963 such as tvtime from hanging) */
964 static void au0828_vid_buffer_timeout(unsigned long data)
965 {
966 struct au0828_dev *dev = (struct au0828_dev *) data;
967 struct au0828_dmaqueue *dma_q = &dev->vidq;
968 struct au0828_buffer *buf;
969 unsigned char *vid_data;
970 unsigned long flags = 0;
971
972 spin_lock_irqsave(&dev->slock, flags);
973
974 buf = dev->isoc_ctl.buf;
975 if (buf != NULL) {
976 vid_data = vb2_plane_vaddr(&buf->vb.vb2_buf, 0);
977 memset(vid_data, 0x00, buf->length); /* Blank green frame */
978 buffer_filled(dev, dma_q, buf);
979 }
980 get_next_buf(dma_q, &buf);
981
982 if (dev->vid_timeout_running == 1)
983 mod_timer(&dev->vid_timeout, jiffies + (HZ / 10));
984
985 spin_unlock_irqrestore(&dev->slock, flags);
986 }
987
988 static void au0828_vbi_buffer_timeout(unsigned long data)
989 {
990 struct au0828_dev *dev = (struct au0828_dev *) data;
991 struct au0828_dmaqueue *dma_q = &dev->vbiq;
992 struct au0828_buffer *buf;
993 unsigned char *vbi_data;
994 unsigned long flags = 0;
995
996 spin_lock_irqsave(&dev->slock, flags);
997
998 buf = dev->isoc_ctl.vbi_buf;
999 if (buf != NULL) {
1000 vbi_data = vb2_plane_vaddr(&buf->vb.vb2_buf, 0);
1001 memset(vbi_data, 0x00, buf->length);
1002 buffer_filled(dev, dma_q, buf);
1003 }
1004 vbi_get_next_buf(dma_q, &buf);
1005
1006 if (dev->vbi_timeout_running == 1)
1007 mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10));
1008 spin_unlock_irqrestore(&dev->slock, flags);
1009 }
1010
1011 static int au0828_v4l2_open(struct file *filp)
1012 {
1013 struct au0828_dev *dev = video_drvdata(filp);
1014 int ret;
1015
1016 dprintk(1,
1017 "%s called std_set %d dev_state %d stream users %d users %d\n",
1018 __func__, dev->std_set_in_tuner_core, dev->dev_state,
1019 dev->streaming_users, dev->users);
1020
1021 if (mutex_lock_interruptible(&dev->lock))
1022 return -ERESTARTSYS;
1023
1024 ret = v4l2_fh_open(filp);
1025 if (ret) {
1026 au0828_isocdbg("%s: v4l2_fh_open() returned error %d\n",
1027 __func__, ret);
1028 mutex_unlock(&dev->lock);
1029 return ret;
1030 }
1031
1032 if (dev->users == 0) {
1033 au0828_analog_stream_enable(dev);
1034 au0828_analog_stream_reset(dev);
1035 dev->stream_state = STREAM_OFF;
1036 dev->dev_state |= DEV_INITIALIZED;
1037 }
1038 dev->users++;
1039 mutex_unlock(&dev->lock);
1040 return ret;
1041 }
1042
1043 static int au0828_v4l2_close(struct file *filp)
1044 {
1045 int ret;
1046 struct au0828_dev *dev = video_drvdata(filp);
1047 struct video_device *vdev = video_devdata(filp);
1048
1049 dprintk(1,
1050 "%s called std_set %d dev_state %d stream users %d users %d\n",
1051 __func__, dev->std_set_in_tuner_core, dev->dev_state,
1052 dev->streaming_users, dev->users);
1053
1054 mutex_lock(&dev->lock);
1055 if (vdev->vfl_type == VFL_TYPE_GRABBER && dev->vid_timeout_running) {
1056 /* Cancel timeout thread in case they didn't call streamoff */
1057 dev->vid_timeout_running = 0;
1058 del_timer_sync(&dev->vid_timeout);
1059 } else if (vdev->vfl_type == VFL_TYPE_VBI &&
1060 dev->vbi_timeout_running) {
1061 /* Cancel timeout thread in case they didn't call streamoff */
1062 dev->vbi_timeout_running = 0;
1063 del_timer_sync(&dev->vbi_timeout);
1064 }
1065
1066 if (dev->dev_state == DEV_DISCONNECTED)
1067 goto end;
1068
1069 if (dev->users == 1) {
1070 /* Save some power by putting tuner to sleep */
1071 v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_power, 0);
1072 dev->std_set_in_tuner_core = 0;
1073
1074 /* When close the device, set the usb intf0 into alt0 to free
1075 USB bandwidth */
1076 ret = usb_set_interface(dev->usbdev, 0, 0);
1077 if (ret < 0)
1078 pr_info("Au0828 can't set alternate to 0!\n");
1079 }
1080 end:
1081 _vb2_fop_release(filp, NULL);
1082 dev->users--;
1083 mutex_unlock(&dev->lock);
1084 return 0;
1085 }
1086
1087 /* Must be called with dev->lock held */
1088 static void au0828_init_tuner(struct au0828_dev *dev)
1089 {
1090 struct v4l2_frequency f = {
1091 .frequency = dev->ctrl_freq,
1092 .type = V4L2_TUNER_ANALOG_TV,
1093 };
1094
1095 dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
1096 dev->std_set_in_tuner_core, dev->dev_state);
1097
1098 if (dev->std_set_in_tuner_core)
1099 return;
1100 dev->std_set_in_tuner_core = 1;
1101 i2c_gate_ctrl(dev, 1);
1102 /* If we've never sent the standard in tuner core, do so now.
1103 We don't do this at device probe because we don't want to
1104 incur the cost of a firmware load */
1105 v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_std, dev->std);
1106 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, &f);
1107 i2c_gate_ctrl(dev, 0);
1108 }
1109
1110 static int au0828_set_format(struct au0828_dev *dev, unsigned int cmd,
1111 struct v4l2_format *format)
1112 {
1113 int ret;
1114 int width = format->fmt.pix.width;
1115 int height = format->fmt.pix.height;
1116
1117 /* If they are demanding a format other than the one we support,
1118 bail out (tvtime asks for UYVY and then retries with YUYV) */
1119 if (format->fmt.pix.pixelformat != V4L2_PIX_FMT_UYVY)
1120 return -EINVAL;
1121
1122 /* format->fmt.pix.width only support 720 and height 480 */
1123 if (width != 720)
1124 width = 720;
1125 if (height != 480)
1126 height = 480;
1127
1128 format->fmt.pix.width = width;
1129 format->fmt.pix.height = height;
1130 format->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY;
1131 format->fmt.pix.bytesperline = width * 2;
1132 format->fmt.pix.sizeimage = width * height * 2;
1133 format->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1134 format->fmt.pix.field = V4L2_FIELD_INTERLACED;
1135 format->fmt.pix.priv = 0;
1136
1137 if (cmd == VIDIOC_TRY_FMT)
1138 return 0;
1139
1140 /* maybe set new image format, driver current only support 720*480 */
1141 dev->width = width;
1142 dev->height = height;
1143 dev->frame_size = width * height * 2;
1144 dev->field_size = width * height;
1145 dev->bytesperline = width * 2;
1146
1147 if (dev->stream_state == STREAM_ON) {
1148 dprintk(1, "VIDIOC_SET_FMT: interrupting stream!\n");
1149 ret = au0828_stream_interrupt(dev);
1150 if (ret != 0) {
1151 dprintk(1, "error interrupting video stream!\n");
1152 return ret;
1153 }
1154 }
1155
1156 au0828_analog_stream_enable(dev);
1157
1158 return 0;
1159 }
1160
1161 static int vidioc_querycap(struct file *file, void *priv,
1162 struct v4l2_capability *cap)
1163 {
1164 struct video_device *vdev = video_devdata(file);
1165 struct au0828_dev *dev = video_drvdata(file);
1166
1167 dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
1168 dev->std_set_in_tuner_core, dev->dev_state);
1169
1170 strlcpy(cap->driver, "au0828", sizeof(cap->driver));
1171 strlcpy(cap->card, dev->board.name, sizeof(cap->card));
1172 usb_make_path(dev->usbdev, cap->bus_info, sizeof(cap->bus_info));
1173
1174 /* set the device capabilities */
1175 cap->device_caps = V4L2_CAP_AUDIO |
1176 V4L2_CAP_READWRITE |
1177 V4L2_CAP_STREAMING |
1178 V4L2_CAP_TUNER;
1179 if (vdev->vfl_type == VFL_TYPE_GRABBER)
1180 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
1181 else
1182 cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
1183 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS |
1184 V4L2_CAP_VBI_CAPTURE | V4L2_CAP_VIDEO_CAPTURE;
1185 return 0;
1186 }
1187
1188 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
1189 struct v4l2_fmtdesc *f)
1190 {
1191 if (f->index)
1192 return -EINVAL;
1193
1194 dprintk(1, "%s called\n", __func__);
1195
1196 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1197 strcpy(f->description, "Packed YUV2");
1198
1199 f->flags = 0;
1200 f->pixelformat = V4L2_PIX_FMT_UYVY;
1201
1202 return 0;
1203 }
1204
1205 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1206 struct v4l2_format *f)
1207 {
1208 struct au0828_dev *dev = video_drvdata(file);
1209
1210 dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
1211 dev->std_set_in_tuner_core, dev->dev_state);
1212
1213 f->fmt.pix.width = dev->width;
1214 f->fmt.pix.height = dev->height;
1215 f->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY;
1216 f->fmt.pix.bytesperline = dev->bytesperline;
1217 f->fmt.pix.sizeimage = dev->frame_size;
1218 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; /* NTSC/PAL */
1219 f->fmt.pix.field = V4L2_FIELD_INTERLACED;
1220 f->fmt.pix.priv = 0;
1221 return 0;
1222 }
1223
1224 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1225 struct v4l2_format *f)
1226 {
1227 struct au0828_dev *dev = video_drvdata(file);
1228
1229 dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
1230 dev->std_set_in_tuner_core, dev->dev_state);
1231
1232 return au0828_set_format(dev, VIDIOC_TRY_FMT, f);
1233 }
1234
1235 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1236 struct v4l2_format *f)
1237 {
1238 struct au0828_dev *dev = video_drvdata(file);
1239 int rc;
1240
1241 dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
1242 dev->std_set_in_tuner_core, dev->dev_state);
1243
1244 rc = check_dev(dev);
1245 if (rc < 0)
1246 return rc;
1247
1248 if (vb2_is_busy(&dev->vb_vidq)) {
1249 pr_info("%s queue busy\n", __func__);
1250 rc = -EBUSY;
1251 goto out;
1252 }
1253
1254 rc = au0828_set_format(dev, VIDIOC_S_FMT, f);
1255 out:
1256 return rc;
1257 }
1258
1259 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm)
1260 {
1261 struct au0828_dev *dev = video_drvdata(file);
1262
1263 dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
1264 dev->std_set_in_tuner_core, dev->dev_state);
1265
1266 if (norm == dev->std)
1267 return 0;
1268
1269 if (dev->streaming_users > 0)
1270 return -EBUSY;
1271
1272 dev->std = norm;
1273
1274 au0828_init_tuner(dev);
1275
1276 i2c_gate_ctrl(dev, 1);
1277
1278 /*
1279 * FIXME: when we support something other than 60Hz standards,
1280 * we are going to have to make the au0828 bridge adjust the size
1281 * of its capture buffer, which is currently hardcoded at 720x480
1282 */
1283
1284 v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_std, norm);
1285
1286 i2c_gate_ctrl(dev, 0);
1287
1288 return 0;
1289 }
1290
1291 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm)
1292 {
1293 struct au0828_dev *dev = video_drvdata(file);
1294
1295 dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
1296 dev->std_set_in_tuner_core, dev->dev_state);
1297
1298 *norm = dev->std;
1299 return 0;
1300 }
1301
1302 static int vidioc_enum_input(struct file *file, void *priv,
1303 struct v4l2_input *input)
1304 {
1305 struct au0828_dev *dev = video_drvdata(file);
1306 unsigned int tmp;
1307
1308 static const char *inames[] = {
1309 [AU0828_VMUX_UNDEFINED] = "Undefined",
1310 [AU0828_VMUX_COMPOSITE] = "Composite",
1311 [AU0828_VMUX_SVIDEO] = "S-Video",
1312 [AU0828_VMUX_CABLE] = "Cable TV",
1313 [AU0828_VMUX_TELEVISION] = "Television",
1314 [AU0828_VMUX_DVB] = "DVB",
1315 [AU0828_VMUX_DEBUG] = "tv debug"
1316 };
1317
1318 dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
1319 dev->std_set_in_tuner_core, dev->dev_state);
1320
1321 tmp = input->index;
1322
1323 if (tmp >= AU0828_MAX_INPUT)
1324 return -EINVAL;
1325 if (AUVI_INPUT(tmp).type == 0)
1326 return -EINVAL;
1327
1328 input->index = tmp;
1329 strcpy(input->name, inames[AUVI_INPUT(tmp).type]);
1330 if ((AUVI_INPUT(tmp).type == AU0828_VMUX_TELEVISION) ||
1331 (AUVI_INPUT(tmp).type == AU0828_VMUX_CABLE)) {
1332 input->type |= V4L2_INPUT_TYPE_TUNER;
1333 input->audioset = 1;
1334 } else {
1335 input->type |= V4L2_INPUT_TYPE_CAMERA;
1336 input->audioset = 2;
1337 }
1338
1339 input->std = dev->vdev.tvnorms;
1340
1341 return 0;
1342 }
1343
1344 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1345 {
1346 struct au0828_dev *dev = video_drvdata(file);
1347
1348 dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
1349 dev->std_set_in_tuner_core, dev->dev_state);
1350
1351 *i = dev->ctrl_input;
1352 return 0;
1353 }
1354
1355 static void au0828_s_input(struct au0828_dev *dev, int index)
1356 {
1357 int i;
1358
1359 dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
1360 dev->std_set_in_tuner_core, dev->dev_state);
1361
1362 switch (AUVI_INPUT(index).type) {
1363 case AU0828_VMUX_SVIDEO:
1364 dev->input_type = AU0828_VMUX_SVIDEO;
1365 dev->ctrl_ainput = 1;
1366 break;
1367 case AU0828_VMUX_COMPOSITE:
1368 dev->input_type = AU0828_VMUX_COMPOSITE;
1369 dev->ctrl_ainput = 1;
1370 break;
1371 case AU0828_VMUX_TELEVISION:
1372 dev->input_type = AU0828_VMUX_TELEVISION;
1373 dev->ctrl_ainput = 0;
1374 break;
1375 default:
1376 dprintk(1, "unknown input type set [%d]\n",
1377 AUVI_INPUT(index).type);
1378 break;
1379 }
1380
1381 v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing,
1382 AUVI_INPUT(index).vmux, 0, 0);
1383
1384 for (i = 0; i < AU0828_MAX_INPUT; i++) {
1385 int enable = 0;
1386 if (AUVI_INPUT(i).audio_setup == NULL)
1387 continue;
1388
1389 if (i == index)
1390 enable = 1;
1391 else
1392 enable = 0;
1393 if (enable) {
1394 (AUVI_INPUT(i).audio_setup)(dev, enable);
1395 } else {
1396 /* Make sure we leave it turned on if some
1397 other input is routed to this callback */
1398 if ((AUVI_INPUT(i).audio_setup) !=
1399 ((AUVI_INPUT(index).audio_setup))) {
1400 (AUVI_INPUT(i).audio_setup)(dev, enable);
1401 }
1402 }
1403 }
1404
1405 v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing,
1406 AUVI_INPUT(index).amux, 0, 0);
1407 }
1408
1409 static int vidioc_s_input(struct file *file, void *priv, unsigned int index)
1410 {
1411 struct au0828_dev *dev = video_drvdata(file);
1412
1413 dprintk(1, "VIDIOC_S_INPUT in function %s, input=%d\n", __func__,
1414 index);
1415 if (index >= AU0828_MAX_INPUT)
1416 return -EINVAL;
1417 if (AUVI_INPUT(index).type == 0)
1418 return -EINVAL;
1419 dev->ctrl_input = index;
1420 au0828_s_input(dev, index);
1421 return 0;
1422 }
1423
1424 static int vidioc_enumaudio(struct file *file, void *priv, struct v4l2_audio *a)
1425 {
1426 if (a->index > 1)
1427 return -EINVAL;
1428
1429 dprintk(1, "%s called\n", __func__);
1430
1431 if (a->index == 0)
1432 strcpy(a->name, "Television");
1433 else
1434 strcpy(a->name, "Line in");
1435
1436 a->capability = V4L2_AUDCAP_STEREO;
1437 return 0;
1438 }
1439
1440 static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
1441 {
1442 struct au0828_dev *dev = video_drvdata(file);
1443
1444 dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
1445 dev->std_set_in_tuner_core, dev->dev_state);
1446
1447 a->index = dev->ctrl_ainput;
1448 if (a->index == 0)
1449 strcpy(a->name, "Television");
1450 else
1451 strcpy(a->name, "Line in");
1452
1453 a->capability = V4L2_AUDCAP_STEREO;
1454 return 0;
1455 }
1456
1457 static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a)
1458 {
1459 struct au0828_dev *dev = video_drvdata(file);
1460
1461 if (a->index != dev->ctrl_ainput)
1462 return -EINVAL;
1463
1464 dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
1465 dev->std_set_in_tuner_core, dev->dev_state);
1466 return 0;
1467 }
1468
1469 static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
1470 {
1471 struct au0828_dev *dev = video_drvdata(file);
1472
1473 if (t->index != 0)
1474 return -EINVAL;
1475
1476 dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
1477 dev->std_set_in_tuner_core, dev->dev_state);
1478
1479 strcpy(t->name, "Auvitek tuner");
1480
1481 au0828_init_tuner(dev);
1482 i2c_gate_ctrl(dev, 1);
1483 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t);
1484 i2c_gate_ctrl(dev, 0);
1485 return 0;
1486 }
1487
1488 static int vidioc_s_tuner(struct file *file, void *priv,
1489 const struct v4l2_tuner *t)
1490 {
1491 struct au0828_dev *dev = video_drvdata(file);
1492
1493 if (t->index != 0)
1494 return -EINVAL;
1495
1496 dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
1497 dev->std_set_in_tuner_core, dev->dev_state);
1498
1499 au0828_init_tuner(dev);
1500 i2c_gate_ctrl(dev, 1);
1501 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t);
1502 i2c_gate_ctrl(dev, 0);
1503
1504 dprintk(1, "VIDIOC_S_TUNER: signal = %x, afc = %x\n", t->signal,
1505 t->afc);
1506
1507 return 0;
1508
1509 }
1510
1511 static int vidioc_g_frequency(struct file *file, void *priv,
1512 struct v4l2_frequency *freq)
1513 {
1514 struct au0828_dev *dev = video_drvdata(file);
1515
1516 if (freq->tuner != 0)
1517 return -EINVAL;
1518 dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
1519 dev->std_set_in_tuner_core, dev->dev_state);
1520 freq->frequency = dev->ctrl_freq;
1521 return 0;
1522 }
1523
1524 static int vidioc_s_frequency(struct file *file, void *priv,
1525 const struct v4l2_frequency *freq)
1526 {
1527 struct au0828_dev *dev = video_drvdata(file);
1528 struct v4l2_frequency new_freq = *freq;
1529
1530 if (freq->tuner != 0)
1531 return -EINVAL;
1532
1533 dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
1534 dev->std_set_in_tuner_core, dev->dev_state);
1535
1536 au0828_init_tuner(dev);
1537 i2c_gate_ctrl(dev, 1);
1538
1539 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, freq);
1540 /* Get the actual set (and possibly clamped) frequency */
1541 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, &new_freq);
1542 dev->ctrl_freq = new_freq.frequency;
1543
1544 i2c_gate_ctrl(dev, 0);
1545
1546 au0828_analog_stream_reset(dev);
1547
1548 return 0;
1549 }
1550
1551
1552 /* RAW VBI ioctls */
1553
1554 static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv,
1555 struct v4l2_format *format)
1556 {
1557 struct au0828_dev *dev = video_drvdata(file);
1558
1559 dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
1560 dev->std_set_in_tuner_core, dev->dev_state);
1561
1562 format->fmt.vbi.samples_per_line = dev->vbi_width;
1563 format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1564 format->fmt.vbi.offset = 0;
1565 format->fmt.vbi.flags = 0;
1566 format->fmt.vbi.sampling_rate = 6750000 * 4 / 2;
1567
1568 format->fmt.vbi.count[0] = dev->vbi_height;
1569 format->fmt.vbi.count[1] = dev->vbi_height;
1570 format->fmt.vbi.start[0] = 21;
1571 format->fmt.vbi.start[1] = 284;
1572 memset(format->fmt.vbi.reserved, 0, sizeof(format->fmt.vbi.reserved));
1573
1574 return 0;
1575 }
1576
1577 static int vidioc_cropcap(struct file *file, void *priv,
1578 struct v4l2_cropcap *cc)
1579 {
1580 struct au0828_dev *dev = video_drvdata(file);
1581
1582 if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1583 return -EINVAL;
1584
1585 dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
1586 dev->std_set_in_tuner_core, dev->dev_state);
1587
1588 cc->bounds.left = 0;
1589 cc->bounds.top = 0;
1590 cc->bounds.width = dev->width;
1591 cc->bounds.height = dev->height;
1592
1593 cc->defrect = cc->bounds;
1594
1595 cc->pixelaspect.numerator = 54;
1596 cc->pixelaspect.denominator = 59;
1597
1598 return 0;
1599 }
1600
1601 #ifdef CONFIG_VIDEO_ADV_DEBUG
1602 static int vidioc_g_register(struct file *file, void *priv,
1603 struct v4l2_dbg_register *reg)
1604 {
1605 struct au0828_dev *dev = video_drvdata(file);
1606
1607 dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
1608 dev->std_set_in_tuner_core, dev->dev_state);
1609
1610 reg->val = au0828_read(dev, reg->reg);
1611 reg->size = 1;
1612 return 0;
1613 }
1614
1615 static int vidioc_s_register(struct file *file, void *priv,
1616 const struct v4l2_dbg_register *reg)
1617 {
1618 struct au0828_dev *dev = video_drvdata(file);
1619
1620 dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
1621 dev->std_set_in_tuner_core, dev->dev_state);
1622
1623 return au0828_writereg(dev, reg->reg, reg->val);
1624 }
1625 #endif
1626
1627 static int vidioc_log_status(struct file *file, void *fh)
1628 {
1629 struct video_device *vdev = video_devdata(file);
1630
1631 dprintk(1, "%s called\n", __func__);
1632
1633 v4l2_ctrl_log_status(file, fh);
1634 v4l2_device_call_all(vdev->v4l2_dev, 0, core, log_status);
1635 return 0;
1636 }
1637
1638 void au0828_v4l2_suspend(struct au0828_dev *dev)
1639 {
1640 struct urb *urb;
1641 int i;
1642
1643 pr_info("stopping V4L2\n");
1644
1645 if (dev->stream_state == STREAM_ON) {
1646 pr_info("stopping V4L2 active URBs\n");
1647 au0828_analog_stream_disable(dev);
1648 /* stop urbs */
1649 for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
1650 urb = dev->isoc_ctl.urb[i];
1651 if (urb) {
1652 if (!irqs_disabled())
1653 usb_kill_urb(urb);
1654 else
1655 usb_unlink_urb(urb);
1656 }
1657 }
1658 }
1659
1660 if (dev->vid_timeout_running)
1661 del_timer_sync(&dev->vid_timeout);
1662 if (dev->vbi_timeout_running)
1663 del_timer_sync(&dev->vbi_timeout);
1664 }
1665
1666 void au0828_v4l2_resume(struct au0828_dev *dev)
1667 {
1668 int i, rc;
1669
1670 pr_info("restarting V4L2\n");
1671
1672 if (dev->stream_state == STREAM_ON) {
1673 au0828_stream_interrupt(dev);
1674 au0828_init_tuner(dev);
1675 }
1676
1677 if (dev->vid_timeout_running)
1678 mod_timer(&dev->vid_timeout, jiffies + (HZ / 10));
1679 if (dev->vbi_timeout_running)
1680 mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10));
1681
1682 /* If we were doing ac97 instead of i2s, it would go here...*/
1683 au0828_i2s_init(dev);
1684
1685 au0828_analog_stream_enable(dev);
1686
1687 if (!(dev->stream_state == STREAM_ON)) {
1688 au0828_analog_stream_reset(dev);
1689 /* submit urbs */
1690 for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
1691 rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC);
1692 if (rc) {
1693 au0828_isocdbg("submit of urb %i failed (error=%i)\n",
1694 i, rc);
1695 au0828_uninit_isoc(dev);
1696 }
1697 }
1698 }
1699 }
1700
1701 static struct v4l2_file_operations au0828_v4l_fops = {
1702 .owner = THIS_MODULE,
1703 .open = au0828_v4l2_open,
1704 .release = au0828_v4l2_close,
1705 .read = vb2_fop_read,
1706 .poll = vb2_fop_poll,
1707 .mmap = vb2_fop_mmap,
1708 .unlocked_ioctl = video_ioctl2,
1709 };
1710
1711 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1712 .vidioc_querycap = vidioc_querycap,
1713 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1714 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1715 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1716 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1717 .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap,
1718 .vidioc_try_fmt_vbi_cap = vidioc_g_fmt_vbi_cap,
1719 .vidioc_s_fmt_vbi_cap = vidioc_g_fmt_vbi_cap,
1720 .vidioc_enumaudio = vidioc_enumaudio,
1721 .vidioc_g_audio = vidioc_g_audio,
1722 .vidioc_s_audio = vidioc_s_audio,
1723 .vidioc_cropcap = vidioc_cropcap,
1724
1725 .vidioc_reqbufs = vb2_ioctl_reqbufs,
1726 .vidioc_create_bufs = vb2_ioctl_create_bufs,
1727 .vidioc_prepare_buf = vb2_ioctl_prepare_buf,
1728 .vidioc_querybuf = vb2_ioctl_querybuf,
1729 .vidioc_qbuf = vb2_ioctl_qbuf,
1730 .vidioc_dqbuf = vb2_ioctl_dqbuf,
1731 .vidioc_expbuf = vb2_ioctl_expbuf,
1732
1733 .vidioc_s_std = vidioc_s_std,
1734 .vidioc_g_std = vidioc_g_std,
1735 .vidioc_enum_input = vidioc_enum_input,
1736 .vidioc_g_input = vidioc_g_input,
1737 .vidioc_s_input = vidioc_s_input,
1738
1739 .vidioc_streamon = vb2_ioctl_streamon,
1740 .vidioc_streamoff = vb2_ioctl_streamoff,
1741
1742 .vidioc_g_tuner = vidioc_g_tuner,
1743 .vidioc_s_tuner = vidioc_s_tuner,
1744 .vidioc_g_frequency = vidioc_g_frequency,
1745 .vidioc_s_frequency = vidioc_s_frequency,
1746 #ifdef CONFIG_VIDEO_ADV_DEBUG
1747 .vidioc_g_register = vidioc_g_register,
1748 .vidioc_s_register = vidioc_s_register,
1749 #endif
1750 .vidioc_log_status = vidioc_log_status,
1751 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1752 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1753 };
1754
1755 static const struct video_device au0828_video_template = {
1756 .fops = &au0828_v4l_fops,
1757 .release = video_device_release_empty,
1758 .ioctl_ops = &video_ioctl_ops,
1759 .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL_M,
1760 };
1761
1762 static int au0828_vb2_setup(struct au0828_dev *dev)
1763 {
1764 int rc;
1765 struct vb2_queue *q;
1766
1767 /* Setup Videobuf2 for Video capture */
1768 q = &dev->vb_vidq;
1769 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1770 q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1771 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1772 q->drv_priv = dev;
1773 q->buf_struct_size = sizeof(struct au0828_buffer);
1774 q->ops = &au0828_video_qops;
1775 q->mem_ops = &vb2_vmalloc_memops;
1776
1777 rc = vb2_queue_init(q);
1778 if (rc < 0)
1779 return rc;
1780
1781 /* Setup Videobuf2 for VBI capture */
1782 q = &dev->vb_vbiq;
1783 q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1784 q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1785 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1786 q->drv_priv = dev;
1787 q->buf_struct_size = sizeof(struct au0828_buffer);
1788 q->ops = &au0828_vbi_qops;
1789 q->mem_ops = &vb2_vmalloc_memops;
1790
1791 rc = vb2_queue_init(q);
1792 if (rc < 0)
1793 return rc;
1794
1795 return 0;
1796 }
1797
1798 static void au0828_analog_create_entities(struct au0828_dev *dev)
1799 {
1800 #if defined(CONFIG_MEDIA_CONTROLLER)
1801 static const char * const inames[] = {
1802 [AU0828_VMUX_COMPOSITE] = "Composite",
1803 [AU0828_VMUX_SVIDEO] = "S-Video",
1804 [AU0828_VMUX_CABLE] = "Cable TV",
1805 [AU0828_VMUX_TELEVISION] = "Television",
1806 [AU0828_VMUX_DVB] = "DVB",
1807 [AU0828_VMUX_DEBUG] = "tv debug"
1808 };
1809 int ret, i;
1810
1811 /* Initialize Video and VBI pads */
1812 dev->video_pad.flags = MEDIA_PAD_FL_SINK;
1813 ret = media_entity_pads_init(&dev->vdev.entity, 1, &dev->video_pad);
1814 if (ret < 0)
1815 pr_err("failed to initialize video media entity!\n");
1816
1817 dev->vbi_pad.flags = MEDIA_PAD_FL_SINK;
1818 ret = media_entity_pads_init(&dev->vbi_dev.entity, 1, &dev->vbi_pad);
1819 if (ret < 0)
1820 pr_err("failed to initialize vbi media entity!\n");
1821
1822 /* Create entities for each input connector */
1823 for (i = 0; i < AU0828_MAX_INPUT; i++) {
1824 struct media_entity *ent = &dev->input_ent[i];
1825
1826 if (AUVI_INPUT(i).type == AU0828_VMUX_UNDEFINED)
1827 break;
1828
1829 ent->name = inames[AUVI_INPUT(i).type];
1830 ent->flags = MEDIA_ENT_FL_CONNECTOR;
1831 dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
1832
1833 switch (AUVI_INPUT(i).type) {
1834 case AU0828_VMUX_COMPOSITE:
1835 ent->function = MEDIA_ENT_F_CONN_COMPOSITE;
1836 break;
1837 case AU0828_VMUX_SVIDEO:
1838 ent->function = MEDIA_ENT_F_CONN_SVIDEO;
1839 break;
1840 case AU0828_VMUX_CABLE:
1841 case AU0828_VMUX_TELEVISION:
1842 case AU0828_VMUX_DVB:
1843 ent->function = MEDIA_ENT_F_CONN_RF;
1844 break;
1845 default: /* AU0828_VMUX_DEBUG */
1846 ent->function = MEDIA_ENT_F_CONN_TEST;
1847 break;
1848 }
1849
1850 ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]);
1851 if (ret < 0)
1852 pr_err("failed to initialize input pad[%d]!\n", i);
1853
1854 ret = media_device_register_entity(dev->media_dev, ent);
1855 if (ret < 0)
1856 pr_err("failed to register input entity %d!\n", i);
1857 }
1858 #endif
1859 }
1860
1861 /**************************************************************************/
1862
1863 int au0828_analog_register(struct au0828_dev *dev,
1864 struct usb_interface *interface)
1865 {
1866 int retval = -ENOMEM;
1867 struct usb_host_interface *iface_desc;
1868 struct usb_endpoint_descriptor *endpoint;
1869 int i, ret;
1870
1871 dprintk(1, "au0828_analog_register called for intf#%d!\n",
1872 interface->cur_altsetting->desc.bInterfaceNumber);
1873
1874 /* set au0828 usb interface0 to as5 */
1875 retval = usb_set_interface(dev->usbdev,
1876 interface->cur_altsetting->desc.bInterfaceNumber, 5);
1877 if (retval != 0) {
1878 pr_info("Failure setting usb interface0 to as5\n");
1879 return retval;
1880 }
1881
1882 /* Figure out which endpoint has the isoc interface */
1883 iface_desc = interface->cur_altsetting;
1884 for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) {
1885 endpoint = &iface_desc->endpoint[i].desc;
1886 if (((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK)
1887 == USB_DIR_IN) &&
1888 ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
1889 == USB_ENDPOINT_XFER_ISOC)) {
1890
1891 /* we find our isoc in endpoint */
1892 u16 tmp = le16_to_cpu(endpoint->wMaxPacketSize);
1893 dev->max_pkt_size = (tmp & 0x07ff) *
1894 (((tmp & 0x1800) >> 11) + 1);
1895 dev->isoc_in_endpointaddr = endpoint->bEndpointAddress;
1896 dprintk(1,
1897 "Found isoc endpoint 0x%02x, max size = %d\n",
1898 dev->isoc_in_endpointaddr, dev->max_pkt_size);
1899 }
1900 }
1901 if (!(dev->isoc_in_endpointaddr)) {
1902 pr_info("Could not locate isoc endpoint\n");
1903 return -ENODEV;
1904 }
1905
1906 init_waitqueue_head(&dev->open);
1907 spin_lock_init(&dev->slock);
1908
1909 /* init video dma queues */
1910 INIT_LIST_HEAD(&dev->vidq.active);
1911 INIT_LIST_HEAD(&dev->vbiq.active);
1912
1913 setup_timer(&dev->vid_timeout, au0828_vid_buffer_timeout,
1914 (unsigned long)dev);
1915 setup_timer(&dev->vbi_timeout, au0828_vbi_buffer_timeout,
1916 (unsigned long)dev);
1917
1918 dev->width = NTSC_STD_W;
1919 dev->height = NTSC_STD_H;
1920 dev->field_size = dev->width * dev->height;
1921 dev->frame_size = dev->field_size << 1;
1922 dev->bytesperline = dev->width << 1;
1923 dev->vbi_width = 720;
1924 dev->vbi_height = 1;
1925 dev->ctrl_ainput = 0;
1926 dev->ctrl_freq = 960;
1927 dev->std = V4L2_STD_NTSC_M;
1928 au0828_s_input(dev, 0);
1929
1930 mutex_init(&dev->vb_queue_lock);
1931 mutex_init(&dev->vb_vbi_queue_lock);
1932
1933 /* Fill the video capture device struct */
1934 dev->vdev = au0828_video_template;
1935 dev->vdev.v4l2_dev = &dev->v4l2_dev;
1936 dev->vdev.lock = &dev->lock;
1937 dev->vdev.queue = &dev->vb_vidq;
1938 dev->vdev.queue->lock = &dev->vb_queue_lock;
1939 strcpy(dev->vdev.name, "au0828a video");
1940
1941 /* Setup the VBI device */
1942 dev->vbi_dev = au0828_video_template;
1943 dev->vbi_dev.v4l2_dev = &dev->v4l2_dev;
1944 dev->vbi_dev.lock = &dev->lock;
1945 dev->vbi_dev.queue = &dev->vb_vbiq;
1946 dev->vbi_dev.queue->lock = &dev->vb_vbi_queue_lock;
1947 strcpy(dev->vbi_dev.name, "au0828a vbi");
1948
1949 /* Init entities at the Media Controller */
1950 au0828_analog_create_entities(dev);
1951
1952 /* initialize videobuf2 stuff */
1953 retval = au0828_vb2_setup(dev);
1954 if (retval != 0) {
1955 dprintk(1, "unable to setup videobuf2 queues (error = %d).\n",
1956 retval);
1957 return -ENODEV;
1958 }
1959
1960 /* Register the v4l2 device */
1961 video_set_drvdata(&dev->vdev, dev);
1962 retval = video_register_device(&dev->vdev, VFL_TYPE_GRABBER, -1);
1963 if (retval != 0) {
1964 dprintk(1, "unable to register video device (error = %d).\n",
1965 retval);
1966 ret = -ENODEV;
1967 goto err_reg_vdev;
1968 }
1969
1970 /* Register the vbi device */
1971 video_set_drvdata(&dev->vbi_dev, dev);
1972 retval = video_register_device(&dev->vbi_dev, VFL_TYPE_VBI, -1);
1973 if (retval != 0) {
1974 dprintk(1, "unable to register vbi device (error = %d).\n",
1975 retval);
1976 ret = -ENODEV;
1977 goto err_reg_vbi_dev;
1978 }
1979
1980 dprintk(1, "%s completed!\n", __func__);
1981
1982 return 0;
1983
1984 err_reg_vbi_dev:
1985 video_unregister_device(&dev->vdev);
1986 err_reg_vdev:
1987 vb2_queue_release(&dev->vb_vidq);
1988 vb2_queue_release(&dev->vb_vbiq);
1989 return ret;
1990 }
1991
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