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25#include "cx231xx.h"
26#include <linux/init.h>
27#include <linux/list.h>
28#include <linux/module.h>
29#include <linux/kernel.h>
30#include <linux/bitmap.h>
31#include <linux/i2c.h>
32#include <linux/mm.h>
33#include <linux/mutex.h>
34#include <linux/slab.h>
35
36#include <media/v4l2-common.h>
37#include <media/v4l2-ioctl.h>
38#include <media/v4l2-event.h>
39#include <media/drv-intf/msp3400.h>
40#include <media/tuner.h>
41
42#include <media/dvb_frontend.h>
43
44#include "cx231xx-vbi.h"
45
46#define CX231XX_VERSION "0.0.3"
47
48#define DRIVER_AUTHOR "Srinivasa Deevi <srinivasa.deevi@conexant.com>"
49#define DRIVER_DESC "Conexant cx231xx based USB video device driver"
50
51#define cx231xx_videodbg(fmt, arg...) do {\
52 if (video_debug) \
53 printk(KERN_INFO "%s %s :"fmt, \
54 dev->name, __func__ , ##arg); } while (0)
55
56static unsigned int isoc_debug;
57module_param(isoc_debug, int, 0644);
58MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]");
59
60#define cx231xx_isocdbg(fmt, arg...) \
61do {\
62 if (isoc_debug) { \
63 printk(KERN_INFO "%s %s :"fmt, \
64 dev->name, __func__ , ##arg); \
65 } \
66 } while (0)
67
68MODULE_AUTHOR(DRIVER_AUTHOR);
69MODULE_DESCRIPTION(DRIVER_DESC);
70MODULE_LICENSE("GPL");
71MODULE_VERSION(CX231XX_VERSION);
72
73static unsigned int card[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
74static unsigned int video_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
75static unsigned int vbi_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
76static unsigned int radio_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
77
78module_param_array(card, int, NULL, 0444);
79module_param_array(video_nr, int, NULL, 0444);
80module_param_array(vbi_nr, int, NULL, 0444);
81module_param_array(radio_nr, int, NULL, 0444);
82
83MODULE_PARM_DESC(card, "card type");
84MODULE_PARM_DESC(video_nr, "video device numbers");
85MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
86MODULE_PARM_DESC(radio_nr, "radio device numbers");
87
88static unsigned int video_debug;
89module_param(video_debug, int, 0644);
90MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
91
92
93static struct cx231xx_fmt format[] = {
94 {
95 .name = "16bpp YUY2, 4:2:2, packed",
96 .fourcc = V4L2_PIX_FMT_YUYV,
97 .depth = 16,
98 .reg = 0,
99 },
100};
101
102
103static int cx231xx_enable_analog_tuner(struct cx231xx *dev)
104{
105#ifdef CONFIG_MEDIA_CONTROLLER
106 struct media_device *mdev = dev->media_dev;
107 struct media_entity *entity, *decoder = NULL, *source;
108 struct media_link *link, *found_link = NULL;
109 int ret, active_links = 0;
110
111 if (!mdev)
112 return 0;
113
114
115
116
117
118
119
120
121 media_device_for_each_entity(entity, mdev) {
122 if (entity->function == MEDIA_ENT_F_ATV_DECODER) {
123 decoder = entity;
124 break;
125 }
126 }
127 if (!decoder)
128 return 0;
129
130 list_for_each_entry(link, &decoder->links, list) {
131 if (link->sink->entity == decoder) {
132 found_link = link;
133 if (link->flags & MEDIA_LNK_FL_ENABLED)
134 active_links++;
135 break;
136 }
137 }
138
139 if (active_links == 1 || !found_link)
140 return 0;
141
142 source = found_link->source->entity;
143 list_for_each_entry(link, &source->links, list) {
144 struct media_entity *sink;
145 int flags = 0;
146
147 sink = link->sink->entity;
148
149 if (sink == entity)
150 flags = MEDIA_LNK_FL_ENABLED;
151
152 ret = media_entity_setup_link(link, flags);
153 if (ret) {
154 dev_err(dev->dev,
155 "Couldn't change link %s->%s to %s. Error %d\n",
156 source->name, sink->name,
157 flags ? "enabled" : "disabled",
158 ret);
159 return ret;
160 } else
161 dev_dbg(dev->dev,
162 "link %s->%s was %s\n",
163 source->name, sink->name,
164 flags ? "ENABLED" : "disabled");
165 }
166#endif
167 return 0;
168}
169
170
171
172
173
174
175
176
177static inline void buffer_filled(struct cx231xx *dev,
178 struct cx231xx_dmaqueue *dma_q,
179 struct cx231xx_buffer *buf)
180{
181
182 cx231xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i);
183 buf->vb.state = VIDEOBUF_DONE;
184 buf->vb.field_count++;
185 v4l2_get_timestamp(&buf->vb.ts);
186
187 if (dev->USE_ISO)
188 dev->video_mode.isoc_ctl.buf = NULL;
189 else
190 dev->video_mode.bulk_ctl.buf = NULL;
191
192 list_del(&buf->vb.queue);
193 wake_up(&buf->vb.done);
194}
195
196static inline void print_err_status(struct cx231xx *dev, int packet, int status)
197{
198 char *errmsg = "Unknown";
199
200 switch (status) {
201 case -ENOENT:
202 errmsg = "unlinked synchronously";
203 break;
204 case -ECONNRESET:
205 errmsg = "unlinked asynchronously";
206 break;
207 case -ENOSR:
208 errmsg = "Buffer error (overrun)";
209 break;
210 case -EPIPE:
211 errmsg = "Stalled (device not responding)";
212 break;
213 case -EOVERFLOW:
214 errmsg = "Babble (bad cable?)";
215 break;
216 case -EPROTO:
217 errmsg = "Bit-stuff error (bad cable?)";
218 break;
219 case -EILSEQ:
220 errmsg = "CRC/Timeout (could be anything)";
221 break;
222 case -ETIME:
223 errmsg = "Device does not respond";
224 break;
225 }
226 if (packet < 0) {
227 cx231xx_isocdbg("URB status %d [%s].\n", status, errmsg);
228 } else {
229 cx231xx_isocdbg("URB packet %d, status %d [%s].\n",
230 packet, status, errmsg);
231 }
232}
233
234
235
236
237static inline void get_next_buf(struct cx231xx_dmaqueue *dma_q,
238 struct cx231xx_buffer **buf)
239{
240 struct cx231xx_video_mode *vmode =
241 container_of(dma_q, struct cx231xx_video_mode, vidq);
242 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
243
244 char *outp;
245
246 if (list_empty(&dma_q->active)) {
247 cx231xx_isocdbg("No active queue to serve\n");
248 if (dev->USE_ISO)
249 dev->video_mode.isoc_ctl.buf = NULL;
250 else
251 dev->video_mode.bulk_ctl.buf = NULL;
252 *buf = NULL;
253 return;
254 }
255
256
257 *buf = list_entry(dma_q->active.next, struct cx231xx_buffer, vb.queue);
258
259
260 outp = videobuf_to_vmalloc(&(*buf)->vb);
261 memset(outp, 0, (*buf)->vb.size);
262
263 if (dev->USE_ISO)
264 dev->video_mode.isoc_ctl.buf = *buf;
265 else
266 dev->video_mode.bulk_ctl.buf = *buf;
267
268 return;
269}
270
271
272
273
274static inline int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb)
275{
276 struct cx231xx_dmaqueue *dma_q = urb->context;
277 int i;
278 unsigned char *p_buffer;
279 u32 bytes_parsed = 0, buffer_size = 0;
280 u8 sav_eav = 0;
281
282 if (!dev)
283 return 0;
284
285 if (dev->state & DEV_DISCONNECTED)
286 return 0;
287
288 if (urb->status < 0) {
289 print_err_status(dev, -1, urb->status);
290 if (urb->status == -ENOENT)
291 return 0;
292 }
293
294 for (i = 0; i < urb->number_of_packets; i++) {
295 int status = urb->iso_frame_desc[i].status;
296
297 if (status < 0) {
298 print_err_status(dev, i, status);
299 if (urb->iso_frame_desc[i].status != -EPROTO)
300 continue;
301 }
302
303 if (urb->iso_frame_desc[i].actual_length <= 0) {
304
305 continue;
306 }
307 if (urb->iso_frame_desc[i].actual_length >
308 dev->video_mode.max_pkt_size) {
309 cx231xx_isocdbg("packet bigger than packet size");
310 continue;
311 }
312
313
314 p_buffer = urb->transfer_buffer + urb->iso_frame_desc[i].offset;
315 buffer_size = urb->iso_frame_desc[i].actual_length;
316 bytes_parsed = 0;
317
318 if (dma_q->is_partial_line) {
319
320 sav_eav = dma_q->last_sav;
321 } else {
322
323
324 sav_eav =
325 cx231xx_find_boundary_SAV_EAV(p_buffer,
326 dma_q->partial_buf,
327 &bytes_parsed);
328 }
329
330 sav_eav &= 0xF0;
331
332
333 if (sav_eav) {
334 bytes_parsed += cx231xx_get_video_line(dev, dma_q,
335 sav_eav,
336 p_buffer + bytes_parsed,
337 buffer_size - bytes_parsed);
338 }
339
340
341
342
343 while (bytes_parsed < buffer_size) {
344 u32 bytes_used = 0;
345
346 sav_eav = cx231xx_find_next_SAV_EAV(
347 p_buffer + bytes_parsed,
348 buffer_size - bytes_parsed,
349 &bytes_used);
350
351 bytes_parsed += bytes_used;
352
353 sav_eav &= 0xF0;
354 if (sav_eav && (bytes_parsed < buffer_size)) {
355 bytes_parsed += cx231xx_get_video_line(dev,
356 dma_q, sav_eav,
357 p_buffer + bytes_parsed,
358 buffer_size - bytes_parsed);
359 }
360 }
361
362
363
364 memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4);
365 bytes_parsed = 0;
366
367 }
368 return 1;
369}
370
371static inline int cx231xx_bulk_copy(struct cx231xx *dev, struct urb *urb)
372{
373 struct cx231xx_dmaqueue *dma_q = urb->context;
374 unsigned char *p_buffer;
375 u32 bytes_parsed = 0, buffer_size = 0;
376 u8 sav_eav = 0;
377
378 if (!dev)
379 return 0;
380
381 if (dev->state & DEV_DISCONNECTED)
382 return 0;
383
384 if (urb->status < 0) {
385 print_err_status(dev, -1, urb->status);
386 if (urb->status == -ENOENT)
387 return 0;
388 }
389
390 if (1) {
391
392
393 p_buffer = urb->transfer_buffer;
394 buffer_size = urb->actual_length;
395 bytes_parsed = 0;
396
397 if (dma_q->is_partial_line) {
398
399 sav_eav = dma_q->last_sav;
400 } else {
401
402
403 sav_eav =
404 cx231xx_find_boundary_SAV_EAV(p_buffer,
405 dma_q->partial_buf,
406 &bytes_parsed);
407 }
408
409 sav_eav &= 0xF0;
410
411
412 if (sav_eav) {
413 bytes_parsed += cx231xx_get_video_line(dev, dma_q,
414 sav_eav,
415 p_buffer + bytes_parsed,
416 buffer_size - bytes_parsed);
417 }
418
419
420
421
422 while (bytes_parsed < buffer_size) {
423 u32 bytes_used = 0;
424
425 sav_eav = cx231xx_find_next_SAV_EAV(
426 p_buffer + bytes_parsed,
427 buffer_size - bytes_parsed,
428 &bytes_used);
429
430 bytes_parsed += bytes_used;
431
432 sav_eav &= 0xF0;
433 if (sav_eav && (bytes_parsed < buffer_size)) {
434 bytes_parsed += cx231xx_get_video_line(dev,
435 dma_q, sav_eav,
436 p_buffer + bytes_parsed,
437 buffer_size - bytes_parsed);
438 }
439 }
440
441
442
443 memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4);
444 bytes_parsed = 0;
445
446 }
447 return 1;
448}
449
450
451u8 cx231xx_find_boundary_SAV_EAV(u8 *p_buffer, u8 *partial_buf,
452 u32 *p_bytes_used)
453{
454 u32 bytes_used;
455 u8 boundary_bytes[8];
456 u8 sav_eav = 0;
457
458 *p_bytes_used = 0;
459
460
461
462
463 memcpy(boundary_bytes, partial_buf, 4);
464 memcpy(boundary_bytes + 4, p_buffer, 4);
465
466
467 sav_eav = cx231xx_find_next_SAV_EAV((u8 *)&boundary_bytes, 8,
468 &bytes_used);
469
470 if (sav_eav) {
471
472
473 *p_bytes_used = bytes_used - 4;
474 }
475
476 return sav_eav;
477}
478
479u8 cx231xx_find_next_SAV_EAV(u8 *p_buffer, u32 buffer_size, u32 *p_bytes_used)
480{
481 u32 i;
482 u8 sav_eav = 0;
483
484
485
486
487
488
489 if (buffer_size < 4) {
490 *p_bytes_used = buffer_size;
491 return 0;
492 }
493
494 for (i = 0; i < (buffer_size - 3); i++) {
495
496 if ((p_buffer[i] == 0xFF) &&
497 (p_buffer[i + 1] == 0x00) && (p_buffer[i + 2] == 0x00)) {
498
499 *p_bytes_used = i + 4;
500 sav_eav = p_buffer[i + 3];
501 return sav_eav;
502 }
503 }
504
505 *p_bytes_used = buffer_size;
506 return 0;
507}
508
509u32 cx231xx_get_video_line(struct cx231xx *dev,
510 struct cx231xx_dmaqueue *dma_q, u8 sav_eav,
511 u8 *p_buffer, u32 buffer_size)
512{
513 u32 bytes_copied = 0;
514 int current_field = -1;
515
516 switch (sav_eav) {
517 case SAV_ACTIVE_VIDEO_FIELD1:
518
519
520
521 if ((buffer_size > 3) && (p_buffer[0] == 0xFF) &&
522 (p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) &&
523 ((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) ||
524 (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) ||
525 (p_buffer[3] == EAV_VBLANK_FIELD1) ||
526 (p_buffer[3] == EAV_VBLANK_FIELD2)))
527 return bytes_copied;
528 current_field = 1;
529 break;
530
531 case SAV_ACTIVE_VIDEO_FIELD2:
532
533
534
535 if ((buffer_size > 3) && (p_buffer[0] == 0xFF) &&
536 (p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) &&
537 ((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) ||
538 (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) ||
539 (p_buffer[3] == EAV_VBLANK_FIELD1) ||
540 (p_buffer[3] == EAV_VBLANK_FIELD2)))
541 return bytes_copied;
542 current_field = 2;
543 break;
544 }
545
546 dma_q->last_sav = sav_eav;
547
548 bytes_copied = cx231xx_copy_video_line(dev, dma_q, p_buffer,
549 buffer_size, current_field);
550
551 return bytes_copied;
552}
553
554u32 cx231xx_copy_video_line(struct cx231xx *dev,
555 struct cx231xx_dmaqueue *dma_q, u8 *p_line,
556 u32 length, int field_number)
557{
558 u32 bytes_to_copy;
559 struct cx231xx_buffer *buf;
560 u32 _line_size = dev->width * 2;
561
562 if (dma_q->current_field != field_number)
563 cx231xx_reset_video_buffer(dev, dma_q);
564
565
566 if (dev->USE_ISO)
567 buf = dev->video_mode.isoc_ctl.buf;
568 else
569 buf = dev->video_mode.bulk_ctl.buf;
570
571
572 dma_q->current_field = field_number;
573
574 bytes_to_copy = dma_q->bytes_left_in_line;
575 if (bytes_to_copy > length)
576 bytes_to_copy = length;
577
578 if (dma_q->lines_completed >= dma_q->lines_per_field) {
579 dma_q->bytes_left_in_line -= bytes_to_copy;
580 dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0) ?
581 0 : 1;
582 return 0;
583 }
584
585 dma_q->is_partial_line = 1;
586
587
588
589 if (!buf) {
590 dma_q->bytes_left_in_line -= bytes_to_copy;
591 dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0)
592 ? 0 : 1;
593 return bytes_to_copy;
594 }
595
596
597 cx231xx_do_copy(dev, dma_q, p_line, bytes_to_copy);
598
599 dma_q->pos += bytes_to_copy;
600 dma_q->bytes_left_in_line -= bytes_to_copy;
601
602 if (dma_q->bytes_left_in_line == 0) {
603 dma_q->bytes_left_in_line = _line_size;
604 dma_q->lines_completed++;
605 dma_q->is_partial_line = 0;
606
607 if (cx231xx_is_buffer_done(dev, dma_q) && buf) {
608 buffer_filled(dev, dma_q, buf);
609
610 dma_q->pos = 0;
611 buf = NULL;
612 dma_q->lines_completed = 0;
613 }
614 }
615
616 return bytes_to_copy;
617}
618
619void cx231xx_reset_video_buffer(struct cx231xx *dev,
620 struct cx231xx_dmaqueue *dma_q)
621{
622 struct cx231xx_buffer *buf;
623
624
625 if (dma_q->current_field == 1) {
626 if (dma_q->lines_completed >= dma_q->lines_per_field)
627 dma_q->field1_done = 1;
628 else
629 dma_q->field1_done = 0;
630 }
631
632 if (dev->USE_ISO)
633 buf = dev->video_mode.isoc_ctl.buf;
634 else
635 buf = dev->video_mode.bulk_ctl.buf;
636
637 if (buf == NULL) {
638
639 get_next_buf(dma_q, &buf);
640
641 dma_q->pos = 0;
642 dma_q->field1_done = 0;
643 dma_q->current_field = -1;
644 }
645
646
647 dma_q->bytes_left_in_line = dev->width << 1;
648 dma_q->lines_completed = 0;
649}
650
651int cx231xx_do_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
652 u8 *p_buffer, u32 bytes_to_copy)
653{
654 u8 *p_out_buffer = NULL;
655 u32 current_line_bytes_copied = 0;
656 struct cx231xx_buffer *buf;
657 u32 _line_size = dev->width << 1;
658 void *startwrite;
659 int offset, lencopy;
660
661 if (dev->USE_ISO)
662 buf = dev->video_mode.isoc_ctl.buf;
663 else
664 buf = dev->video_mode.bulk_ctl.buf;
665
666 if (buf == NULL)
667 return -1;
668
669 p_out_buffer = videobuf_to_vmalloc(&buf->vb);
670
671 current_line_bytes_copied = _line_size - dma_q->bytes_left_in_line;
672
673
674 offset = (dma_q->current_field == 1) ? 0 : _line_size;
675
676
677 startwrite = p_out_buffer + offset;
678
679
680 startwrite += (dma_q->lines_completed * _line_size * 2);
681
682
683 startwrite += current_line_bytes_copied;
684
685 lencopy = dma_q->bytes_left_in_line > bytes_to_copy ?
686 bytes_to_copy : dma_q->bytes_left_in_line;
687
688 if ((u8 *)(startwrite + lencopy) > (u8 *)(p_out_buffer + buf->vb.size))
689 return 0;
690
691
692 cx231xx_swab((u16 *) p_buffer, (u16 *) startwrite, (u16) lencopy);
693
694 return 0;
695}
696
697void cx231xx_swab(u16 *from, u16 *to, u16 len)
698{
699 u16 i;
700
701 if (len <= 0)
702 return;
703
704 for (i = 0; i < len / 2; i++)
705 to[i] = (from[i] << 8) | (from[i] >> 8);
706}
707
708u8 cx231xx_is_buffer_done(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q)
709{
710 u8 buffer_complete = 0;
711
712
713 buffer_complete = ((dma_q->current_field == 2) &&
714 (dma_q->lines_completed >= dma_q->lines_per_field) &&
715 dma_q->field1_done);
716
717 return buffer_complete;
718}
719
720
721
722
723
724static int
725buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size)
726{
727 struct cx231xx_fh *fh = vq->priv_data;
728 struct cx231xx *dev = fh->dev;
729
730 *size = (fh->dev->width * fh->dev->height * dev->format->depth + 7)>>3;
731 if (0 == *count)
732 *count = CX231XX_DEF_BUF;
733
734 if (*count < CX231XX_MIN_BUF)
735 *count = CX231XX_MIN_BUF;
736
737
738 cx231xx_enable_analog_tuner(dev);
739
740 return 0;
741}
742
743
744static void free_buffer(struct videobuf_queue *vq, struct cx231xx_buffer *buf)
745{
746 struct cx231xx_fh *fh = vq->priv_data;
747 struct cx231xx *dev = fh->dev;
748 unsigned long flags = 0;
749
750 BUG_ON(in_interrupt());
751
752
753
754
755
756
757
758
759
760
761 spin_lock_irqsave(&dev->video_mode.slock, flags);
762 if (dev->USE_ISO) {
763 if (dev->video_mode.isoc_ctl.buf == buf)
764 dev->video_mode.isoc_ctl.buf = NULL;
765 } else {
766 if (dev->video_mode.bulk_ctl.buf == buf)
767 dev->video_mode.bulk_ctl.buf = NULL;
768 }
769 spin_unlock_irqrestore(&dev->video_mode.slock, flags);
770
771 videobuf_vmalloc_free(&buf->vb);
772 buf->vb.state = VIDEOBUF_NEEDS_INIT;
773}
774
775static int
776buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
777 enum v4l2_field field)
778{
779 struct cx231xx_fh *fh = vq->priv_data;
780 struct cx231xx_buffer *buf =
781 container_of(vb, struct cx231xx_buffer, vb);
782 struct cx231xx *dev = fh->dev;
783 int rc = 0, urb_init = 0;
784
785
786 buf->vb.size = (fh->dev->width * fh->dev->height * dev->format->depth
787 + 7) >> 3;
788 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
789 return -EINVAL;
790
791 buf->vb.width = dev->width;
792 buf->vb.height = dev->height;
793 buf->vb.field = field;
794
795 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
796 rc = videobuf_iolock(vq, &buf->vb, NULL);
797 if (rc < 0)
798 goto fail;
799 }
800
801 if (dev->USE_ISO) {
802 if (!dev->video_mode.isoc_ctl.num_bufs)
803 urb_init = 1;
804 } else {
805 if (!dev->video_mode.bulk_ctl.num_bufs)
806 urb_init = 1;
807 }
808 dev_dbg(dev->dev,
809 "urb_init=%d dev->video_mode.max_pkt_size=%d\n",
810 urb_init, dev->video_mode.max_pkt_size);
811 if (urb_init) {
812 dev->mode_tv = 0;
813 if (dev->USE_ISO)
814 rc = cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS,
815 CX231XX_NUM_BUFS,
816 dev->video_mode.max_pkt_size,
817 cx231xx_isoc_copy);
818 else
819 rc = cx231xx_init_bulk(dev, CX231XX_NUM_PACKETS,
820 CX231XX_NUM_BUFS,
821 dev->video_mode.max_pkt_size,
822 cx231xx_bulk_copy);
823 if (rc < 0)
824 goto fail;
825 }
826
827 buf->vb.state = VIDEOBUF_PREPARED;
828
829 return 0;
830
831fail:
832 free_buffer(vq, buf);
833 return rc;
834}
835
836static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
837{
838 struct cx231xx_buffer *buf =
839 container_of(vb, struct cx231xx_buffer, vb);
840 struct cx231xx_fh *fh = vq->priv_data;
841 struct cx231xx *dev = fh->dev;
842 struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq;
843
844 buf->vb.state = VIDEOBUF_QUEUED;
845 list_add_tail(&buf->vb.queue, &vidq->active);
846
847}
848
849static void buffer_release(struct videobuf_queue *vq,
850 struct videobuf_buffer *vb)
851{
852 struct cx231xx_buffer *buf =
853 container_of(vb, struct cx231xx_buffer, vb);
854 struct cx231xx_fh *fh = vq->priv_data;
855 struct cx231xx *dev = (struct cx231xx *)fh->dev;
856
857 cx231xx_isocdbg("cx231xx: called buffer_release\n");
858
859 free_buffer(vq, buf);
860}
861
862static const struct videobuf_queue_ops cx231xx_video_qops = {
863 .buf_setup = buffer_setup,
864 .buf_prepare = buffer_prepare,
865 .buf_queue = buffer_queue,
866 .buf_release = buffer_release,
867};
868
869
870
871void video_mux(struct cx231xx *dev, int index)
872{
873 dev->video_input = index;
874 dev->ctl_ainput = INPUT(index)->amux;
875
876 cx231xx_set_video_input_mux(dev, index);
877
878 cx25840_call(dev, video, s_routing, INPUT(index)->vmux, 0, 0);
879
880 cx231xx_set_audio_input(dev, dev->ctl_ainput);
881
882 dev_dbg(dev->dev, "video_mux : %d\n", index);
883
884
885 cx231xx_do_mode_ctrl_overrides(dev);
886}
887
888
889static int res_get(struct cx231xx_fh *fh)
890{
891 struct cx231xx *dev = fh->dev;
892 int rc = 0;
893
894
895 if (fh->stream_on)
896 return rc;
897
898 if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
899 if (dev->stream_on)
900 return -EBUSY;
901 dev->stream_on = 1;
902 } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
903 if (dev->vbi_stream_on)
904 return -EBUSY;
905 dev->vbi_stream_on = 1;
906 } else
907 return -EINVAL;
908
909 fh->stream_on = 1;
910
911 return rc;
912}
913
914static int res_check(struct cx231xx_fh *fh)
915{
916 return fh->stream_on;
917}
918
919static void res_free(struct cx231xx_fh *fh)
920{
921 struct cx231xx *dev = fh->dev;
922
923 fh->stream_on = 0;
924
925 if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
926 dev->stream_on = 0;
927 if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
928 dev->vbi_stream_on = 0;
929}
930
931static int check_dev(struct cx231xx *dev)
932{
933 if (dev->state & DEV_DISCONNECTED) {
934 dev_err(dev->dev, "v4l2 ioctl: device not present\n");
935 return -ENODEV;
936 }
937 return 0;
938}
939
940
941
942
943
944static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
945 struct v4l2_format *f)
946{
947 struct cx231xx_fh *fh = priv;
948 struct cx231xx *dev = fh->dev;
949
950 f->fmt.pix.width = dev->width;
951 f->fmt.pix.height = dev->height;
952 f->fmt.pix.pixelformat = dev->format->fourcc;
953 f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3;
954 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height;
955 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
956
957 f->fmt.pix.field = V4L2_FIELD_INTERLACED;
958
959 return 0;
960}
961
962static struct cx231xx_fmt *format_by_fourcc(unsigned int fourcc)
963{
964 unsigned int i;
965
966 for (i = 0; i < ARRAY_SIZE(format); i++)
967 if (format[i].fourcc == fourcc)
968 return &format[i];
969
970 return NULL;
971}
972
973static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
974 struct v4l2_format *f)
975{
976 struct cx231xx_fh *fh = priv;
977 struct cx231xx *dev = fh->dev;
978 unsigned int width = f->fmt.pix.width;
979 unsigned int height = f->fmt.pix.height;
980 unsigned int maxw = norm_maxw(dev);
981 unsigned int maxh = norm_maxh(dev);
982 struct cx231xx_fmt *fmt;
983
984 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
985 if (!fmt) {
986 cx231xx_videodbg("Fourcc format (%08x) invalid.\n",
987 f->fmt.pix.pixelformat);
988 return -EINVAL;
989 }
990
991
992
993 v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 1, 0);
994
995 f->fmt.pix.width = width;
996 f->fmt.pix.height = height;
997 f->fmt.pix.pixelformat = fmt->fourcc;
998 f->fmt.pix.bytesperline = (width * fmt->depth + 7) >> 3;
999 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height;
1000 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1001 f->fmt.pix.field = V4L2_FIELD_INTERLACED;
1002
1003 return 0;
1004}
1005
1006static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1007 struct v4l2_format *f)
1008{
1009 struct cx231xx_fh *fh = priv;
1010 struct cx231xx *dev = fh->dev;
1011 int rc;
1012 struct cx231xx_fmt *fmt;
1013 struct v4l2_subdev_format format = {
1014 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
1015 };
1016
1017 rc = check_dev(dev);
1018 if (rc < 0)
1019 return rc;
1020
1021 vidioc_try_fmt_vid_cap(file, priv, f);
1022
1023 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1024 if (!fmt)
1025 return -EINVAL;
1026
1027 if (videobuf_queue_is_busy(&fh->vb_vidq)) {
1028 dev_err(dev->dev, "%s: queue busy\n", __func__);
1029 return -EBUSY;
1030 }
1031
1032 if (dev->stream_on && !fh->stream_on) {
1033 dev_err(dev->dev,
1034 "%s: device in use by another fh\n", __func__);
1035 return -EBUSY;
1036 }
1037
1038
1039 dev->width = f->fmt.pix.width;
1040 dev->height = f->fmt.pix.height;
1041 dev->format = fmt;
1042
1043 v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED);
1044 call_all(dev, pad, set_fmt, NULL, &format);
1045 v4l2_fill_pix_format(&f->fmt.pix, &format.format);
1046
1047 return rc;
1048}
1049
1050static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
1051{
1052 struct cx231xx_fh *fh = priv;
1053 struct cx231xx *dev = fh->dev;
1054
1055 *id = dev->norm;
1056 return 0;
1057}
1058
1059static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm)
1060{
1061 struct cx231xx_fh *fh = priv;
1062 struct cx231xx *dev = fh->dev;
1063 struct v4l2_subdev_format format = {
1064 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
1065 };
1066 int rc;
1067
1068 rc = check_dev(dev);
1069 if (rc < 0)
1070 return rc;
1071
1072 if (dev->norm == norm)
1073 return 0;
1074
1075 if (videobuf_queue_is_busy(&fh->vb_vidq))
1076 return -EBUSY;
1077
1078 dev->norm = norm;
1079
1080
1081 dev->width = 720;
1082 dev->height = (dev->norm & V4L2_STD_625_50) ? 576 : 480;
1083
1084 call_all(dev, video, s_std, dev->norm);
1085
1086
1087
1088
1089 format.format.code = MEDIA_BUS_FMT_FIXED;
1090 format.format.width = dev->width;
1091 format.format.height = dev->height;
1092 call_all(dev, pad, set_fmt, NULL, &format);
1093
1094
1095 cx231xx_do_mode_ctrl_overrides(dev);
1096
1097 return 0;
1098}
1099
1100static const char *iname[] = {
1101 [CX231XX_VMUX_COMPOSITE1] = "Composite1",
1102 [CX231XX_VMUX_SVIDEO] = "S-Video",
1103 [CX231XX_VMUX_TELEVISION] = "Television",
1104 [CX231XX_VMUX_CABLE] = "Cable TV",
1105 [CX231XX_VMUX_DVB] = "DVB",
1106};
1107
1108void cx231xx_v4l2_create_entities(struct cx231xx *dev)
1109{
1110#if defined(CONFIG_MEDIA_CONTROLLER)
1111 int ret, i;
1112
1113
1114 for (i = 0; i < MAX_CX231XX_INPUT; i++) {
1115 struct media_entity *ent = &dev->input_ent[i];
1116
1117 if (!INPUT(i)->type)
1118 break;
1119
1120 ent->name = iname[INPUT(i)->type];
1121 ent->flags = MEDIA_ENT_FL_CONNECTOR;
1122 dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
1123
1124 switch (INPUT(i)->type) {
1125 case CX231XX_VMUX_COMPOSITE1:
1126 ent->function = MEDIA_ENT_F_CONN_COMPOSITE;
1127 break;
1128 case CX231XX_VMUX_SVIDEO:
1129 ent->function = MEDIA_ENT_F_CONN_SVIDEO;
1130 break;
1131 case CX231XX_VMUX_TELEVISION:
1132 case CX231XX_VMUX_CABLE:
1133 case CX231XX_VMUX_DVB:
1134
1135 if (dev->tuner_type == TUNER_ABSENT)
1136 continue;
1137
1138 default:
1139 ent->function = MEDIA_ENT_F_CONN_RF;
1140 break;
1141 }
1142
1143 ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]);
1144 if (ret < 0)
1145 pr_err("failed to initialize input pad[%d]!\n", i);
1146
1147 ret = media_device_register_entity(dev->media_dev, ent);
1148 if (ret < 0)
1149 pr_err("failed to register input entity %d!\n", i);
1150 }
1151#endif
1152}
1153
1154int cx231xx_enum_input(struct file *file, void *priv,
1155 struct v4l2_input *i)
1156{
1157 struct cx231xx_fh *fh = priv;
1158 struct cx231xx *dev = fh->dev;
1159 u32 gen_stat;
1160 unsigned int n;
1161 int ret;
1162
1163 n = i->index;
1164 if (n >= MAX_CX231XX_INPUT)
1165 return -EINVAL;
1166 if (0 == INPUT(n)->type)
1167 return -EINVAL;
1168
1169 i->index = n;
1170 i->type = V4L2_INPUT_TYPE_CAMERA;
1171
1172 strscpy(i->name, iname[INPUT(n)->type], sizeof(i->name));
1173
1174 if ((CX231XX_VMUX_TELEVISION == INPUT(n)->type) ||
1175 (CX231XX_VMUX_CABLE == INPUT(n)->type))
1176 i->type = V4L2_INPUT_TYPE_TUNER;
1177
1178 i->std = dev->vdev.tvnorms;
1179
1180
1181 if (n == dev->video_input) {
1182 ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1183 GEN_STAT, 2, &gen_stat, 4);
1184 if (ret > 0) {
1185 if ((gen_stat & FLD_VPRES) == 0x00)
1186 i->status |= V4L2_IN_ST_NO_SIGNAL;
1187 if ((gen_stat & FLD_HLOCK) == 0x00)
1188 i->status |= V4L2_IN_ST_NO_H_LOCK;
1189 }
1190 }
1191
1192 return 0;
1193}
1194
1195int cx231xx_g_input(struct file *file, void *priv, unsigned int *i)
1196{
1197 struct cx231xx_fh *fh = priv;
1198 struct cx231xx *dev = fh->dev;
1199
1200 *i = dev->video_input;
1201
1202 return 0;
1203}
1204
1205int cx231xx_s_input(struct file *file, void *priv, unsigned int i)
1206{
1207 struct cx231xx_fh *fh = priv;
1208 struct cx231xx *dev = fh->dev;
1209 int rc;
1210
1211 dev->mode_tv = 0;
1212 rc = check_dev(dev);
1213 if (rc < 0)
1214 return rc;
1215
1216 if (i >= MAX_CX231XX_INPUT)
1217 return -EINVAL;
1218 if (0 == INPUT(i)->type)
1219 return -EINVAL;
1220
1221 video_mux(dev, i);
1222
1223 if (INPUT(i)->type == CX231XX_VMUX_TELEVISION ||
1224 INPUT(i)->type == CX231XX_VMUX_CABLE) {
1225
1226
1227
1228 call_all(dev, video, s_std, dev->norm);
1229 }
1230
1231 return 0;
1232}
1233
1234int cx231xx_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
1235{
1236 struct cx231xx_fh *fh = priv;
1237 struct cx231xx *dev = fh->dev;
1238 int rc;
1239
1240 rc = check_dev(dev);
1241 if (rc < 0)
1242 return rc;
1243
1244 if (0 != t->index)
1245 return -EINVAL;
1246
1247 strscpy(t->name, "Tuner", sizeof(t->name));
1248
1249 t->type = V4L2_TUNER_ANALOG_TV;
1250 t->capability = V4L2_TUNER_CAP_NORM;
1251 t->rangehigh = 0xffffffffUL;
1252 t->signal = 0xffff;
1253 call_all(dev, tuner, g_tuner, t);
1254
1255 return 0;
1256}
1257
1258int cx231xx_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *t)
1259{
1260 struct cx231xx_fh *fh = priv;
1261 struct cx231xx *dev = fh->dev;
1262 int rc;
1263
1264 rc = check_dev(dev);
1265 if (rc < 0)
1266 return rc;
1267
1268 if (0 != t->index)
1269 return -EINVAL;
1270#if 0
1271 call_all(dev, tuner, s_tuner, t);
1272#endif
1273 return 0;
1274}
1275
1276int cx231xx_g_frequency(struct file *file, void *priv,
1277 struct v4l2_frequency *f)
1278{
1279 struct cx231xx_fh *fh = priv;
1280 struct cx231xx *dev = fh->dev;
1281
1282 if (f->tuner)
1283 return -EINVAL;
1284
1285 f->frequency = dev->ctl_freq;
1286
1287 return 0;
1288}
1289
1290int cx231xx_s_frequency(struct file *file, void *priv,
1291 const struct v4l2_frequency *f)
1292{
1293 struct cx231xx_fh *fh = priv;
1294 struct cx231xx *dev = fh->dev;
1295 struct v4l2_frequency new_freq = *f;
1296 int rc;
1297 u32 if_frequency = 5400000;
1298
1299 dev_dbg(dev->dev,
1300 "Enter vidioc_s_frequency()f->frequency=%d;f->type=%d\n",
1301 f->frequency, f->type);
1302
1303 rc = check_dev(dev);
1304 if (rc < 0)
1305 return rc;
1306
1307 if (0 != f->tuner)
1308 return -EINVAL;
1309
1310
1311 rc = cx231xx_tuner_pre_channel_change(dev);
1312
1313 call_all(dev, tuner, s_frequency, f);
1314 call_all(dev, tuner, g_frequency, &new_freq);
1315 dev->ctl_freq = new_freq.frequency;
1316
1317
1318 rc = cx231xx_tuner_post_channel_change(dev);
1319
1320 if (dev->tuner_type == TUNER_NXP_TDA18271) {
1321 if (dev->norm & (V4L2_STD_MN | V4L2_STD_NTSC_443))
1322 if_frequency = 5400000;
1323 else if (dev->norm & V4L2_STD_B)
1324 if_frequency = 6000000;
1325 else if (dev->norm & (V4L2_STD_PAL_DK | V4L2_STD_SECAM_DK))
1326 if_frequency = 6900000;
1327 else if (dev->norm & V4L2_STD_GH)
1328 if_frequency = 7100000;
1329 else if (dev->norm & V4L2_STD_PAL_I)
1330 if_frequency = 7250000;
1331 else if (dev->norm & V4L2_STD_SECAM_L)
1332 if_frequency = 6900000;
1333 else if (dev->norm & V4L2_STD_SECAM_LC)
1334 if_frequency = 1250000;
1335
1336 dev_dbg(dev->dev,
1337 "if_frequency is set to %d\n", if_frequency);
1338 cx231xx_set_Colibri_For_LowIF(dev, if_frequency, 1, 1);
1339
1340 update_HH_register_after_set_DIF(dev);
1341 }
1342
1343 dev_dbg(dev->dev, "Set New FREQUENCY to %d\n", f->frequency);
1344
1345 return rc;
1346}
1347
1348#ifdef CONFIG_VIDEO_ADV_DEBUG
1349
1350int cx231xx_g_chip_info(struct file *file, void *fh,
1351 struct v4l2_dbg_chip_info *chip)
1352{
1353 switch (chip->match.addr) {
1354 case 0:
1355 return 0;
1356 case 1:
1357 strscpy(chip->name, "AFE (byte)", sizeof(chip->name));
1358 return 0;
1359 case 2:
1360 strscpy(chip->name, "Video (byte)", sizeof(chip->name));
1361 return 0;
1362 case 3:
1363 strscpy(chip->name, "I2S (byte)", sizeof(chip->name));
1364 return 0;
1365 case 4:
1366 strscpy(chip->name, "AFE (dword)", sizeof(chip->name));
1367 return 0;
1368 case 5:
1369 strscpy(chip->name, "Video (dword)", sizeof(chip->name));
1370 return 0;
1371 case 6:
1372 strscpy(chip->name, "I2S (dword)", sizeof(chip->name));
1373 return 0;
1374 }
1375 return -EINVAL;
1376}
1377
1378int cx231xx_g_register(struct file *file, void *priv,
1379 struct v4l2_dbg_register *reg)
1380{
1381 struct cx231xx_fh *fh = priv;
1382 struct cx231xx *dev = fh->dev;
1383 int ret;
1384 u8 value[4] = { 0, 0, 0, 0 };
1385 u32 data = 0;
1386
1387 switch (reg->match.addr) {
1388 case 0:
1389 ret = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER,
1390 (u16)reg->reg, value, 4);
1391 reg->val = value[0] | value[1] << 8 |
1392 value[2] << 16 | (u32)value[3] << 24;
1393 reg->size = 4;
1394 break;
1395 case 1:
1396 ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS,
1397 (u16)reg->reg, 2, &data, 1);
1398 reg->val = data;
1399 reg->size = 1;
1400 break;
1401 case 2:
1402 ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1403 (u16)reg->reg, 2, &data, 1);
1404 reg->val = data;
1405 reg->size = 1;
1406 break;
1407 case 3:
1408 ret = cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
1409 (u16)reg->reg, 1, &data, 1);
1410 reg->val = data;
1411 reg->size = 1;
1412 break;
1413 case 4:
1414 ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS,
1415 (u16)reg->reg, 2, &data, 4);
1416 reg->val = data;
1417 reg->size = 4;
1418 break;
1419 case 5:
1420 ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1421 (u16)reg->reg, 2, &data, 4);
1422 reg->val = data;
1423 reg->size = 4;
1424 break;
1425 case 6:
1426 ret = cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
1427 (u16)reg->reg, 1, &data, 4);
1428 reg->val = data;
1429 reg->size = 4;
1430 break;
1431 default:
1432 return -EINVAL;
1433 }
1434 return ret < 0 ? ret : 0;
1435}
1436
1437int cx231xx_s_register(struct file *file, void *priv,
1438 const struct v4l2_dbg_register *reg)
1439{
1440 struct cx231xx_fh *fh = priv;
1441 struct cx231xx *dev = fh->dev;
1442 int ret;
1443 u8 data[4] = { 0, 0, 0, 0 };
1444
1445 switch (reg->match.addr) {
1446 case 0:
1447 data[0] = (u8) reg->val;
1448 data[1] = (u8) (reg->val >> 8);
1449 data[2] = (u8) (reg->val >> 16);
1450 data[3] = (u8) (reg->val >> 24);
1451 ret = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1452 (u16)reg->reg, data, 4);
1453 break;
1454 case 1:
1455 ret = cx231xx_write_i2c_data(dev, AFE_DEVICE_ADDRESS,
1456 (u16)reg->reg, 2, reg->val, 1);
1457 break;
1458 case 2:
1459 ret = cx231xx_write_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1460 (u16)reg->reg, 2, reg->val, 1);
1461 break;
1462 case 3:
1463 ret = cx231xx_write_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
1464 (u16)reg->reg, 1, reg->val, 1);
1465 break;
1466 case 4:
1467 ret = cx231xx_write_i2c_data(dev, AFE_DEVICE_ADDRESS,
1468 (u16)reg->reg, 2, reg->val, 4);
1469 break;
1470 case 5:
1471 ret = cx231xx_write_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1472 (u16)reg->reg, 2, reg->val, 4);
1473 break;
1474 case 6:
1475 ret = cx231xx_write_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
1476 (u16)reg->reg, 1, reg->val, 4);
1477 break;
1478 default:
1479 return -EINVAL;
1480 }
1481 return ret < 0 ? ret : 0;
1482}
1483#endif
1484
1485static int vidioc_g_pixelaspect(struct file *file, void *priv,
1486 int type, struct v4l2_fract *f)
1487{
1488 struct cx231xx_fh *fh = priv;
1489 struct cx231xx *dev = fh->dev;
1490 bool is_50hz = dev->norm & V4L2_STD_625_50;
1491
1492 if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1493 return -EINVAL;
1494
1495 f->numerator = is_50hz ? 54 : 11;
1496 f->denominator = is_50hz ? 59 : 10;
1497
1498 return 0;
1499}
1500
1501static int vidioc_g_selection(struct file *file, void *priv,
1502 struct v4l2_selection *s)
1503{
1504 struct cx231xx_fh *fh = priv;
1505 struct cx231xx *dev = fh->dev;
1506
1507 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1508 return -EINVAL;
1509
1510 switch (s->target) {
1511 case V4L2_SEL_TGT_CROP_BOUNDS:
1512 case V4L2_SEL_TGT_CROP_DEFAULT:
1513 s->r.left = 0;
1514 s->r.top = 0;
1515 s->r.width = dev->width;
1516 s->r.height = dev->height;
1517 break;
1518 default:
1519 return -EINVAL;
1520 }
1521 return 0;
1522}
1523
1524static int vidioc_streamon(struct file *file, void *priv,
1525 enum v4l2_buf_type type)
1526{
1527 struct cx231xx_fh *fh = priv;
1528 struct cx231xx *dev = fh->dev;
1529 int rc;
1530
1531 rc = check_dev(dev);
1532 if (rc < 0)
1533 return rc;
1534
1535 rc = res_get(fh);
1536
1537 if (likely(rc >= 0))
1538 rc = videobuf_streamon(&fh->vb_vidq);
1539
1540 call_all(dev, video, s_stream, 1);
1541
1542 return rc;
1543}
1544
1545static int vidioc_streamoff(struct file *file, void *priv,
1546 enum v4l2_buf_type type)
1547{
1548 struct cx231xx_fh *fh = priv;
1549 struct cx231xx *dev = fh->dev;
1550 int rc;
1551
1552 rc = check_dev(dev);
1553 if (rc < 0)
1554 return rc;
1555
1556 if (type != fh->type)
1557 return -EINVAL;
1558
1559 cx25840_call(dev, video, s_stream, 0);
1560
1561 videobuf_streamoff(&fh->vb_vidq);
1562 res_free(fh);
1563
1564 return 0;
1565}
1566
1567int cx231xx_querycap(struct file *file, void *priv,
1568 struct v4l2_capability *cap)
1569{
1570 struct video_device *vdev = video_devdata(file);
1571 struct cx231xx_fh *fh = priv;
1572 struct cx231xx *dev = fh->dev;
1573
1574 strscpy(cap->driver, "cx231xx", sizeof(cap->driver));
1575 strscpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card));
1576 usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
1577
1578 if (vdev->vfl_type == VFL_TYPE_RADIO)
1579 cap->device_caps = V4L2_CAP_RADIO;
1580 else {
1581 cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1582 if (vdev->vfl_type == VFL_TYPE_VBI)
1583 cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
1584 else
1585 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
1586 }
1587 if (dev->tuner_type != TUNER_ABSENT)
1588 cap->device_caps |= V4L2_CAP_TUNER;
1589 cap->capabilities = cap->device_caps | V4L2_CAP_READWRITE |
1590 V4L2_CAP_VBI_CAPTURE | V4L2_CAP_VIDEO_CAPTURE |
1591 V4L2_CAP_STREAMING | V4L2_CAP_DEVICE_CAPS;
1592 if (video_is_registered(&dev->radio_dev))
1593 cap->capabilities |= V4L2_CAP_RADIO;
1594
1595 return 0;
1596}
1597
1598static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
1599 struct v4l2_fmtdesc *f)
1600{
1601 if (unlikely(f->index >= ARRAY_SIZE(format)))
1602 return -EINVAL;
1603
1604 strscpy(f->description, format[f->index].name, sizeof(f->description));
1605 f->pixelformat = format[f->index].fourcc;
1606
1607 return 0;
1608}
1609
1610
1611
1612static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv,
1613 struct v4l2_format *f)
1614{
1615 struct cx231xx_fh *fh = priv;
1616 struct cx231xx *dev = fh->dev;
1617
1618 f->fmt.vbi.sampling_rate = 6750000 * 4;
1619 f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
1620 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1621 f->fmt.vbi.offset = 0;
1622 f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ?
1623 PAL_VBI_START_LINE : NTSC_VBI_START_LINE;
1624 f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ?
1625 PAL_VBI_LINES : NTSC_VBI_LINES;
1626 f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ?
1627 PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263;
1628 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1629 memset(f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved));
1630
1631 return 0;
1632
1633}
1634
1635static int vidioc_try_fmt_vbi_cap(struct file *file, void *priv,
1636 struct v4l2_format *f)
1637{
1638 struct cx231xx_fh *fh = priv;
1639 struct cx231xx *dev = fh->dev;
1640
1641 f->fmt.vbi.sampling_rate = 6750000 * 4;
1642 f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
1643 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1644 f->fmt.vbi.offset = 0;
1645 f->fmt.vbi.flags = 0;
1646 f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ?
1647 PAL_VBI_START_LINE : NTSC_VBI_START_LINE;
1648 f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ?
1649 PAL_VBI_LINES : NTSC_VBI_LINES;
1650 f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ?
1651 PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263;
1652 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1653 memset(f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved));
1654
1655 return 0;
1656
1657}
1658
1659static int vidioc_s_fmt_vbi_cap(struct file *file, void *priv,
1660 struct v4l2_format *f)
1661{
1662 struct cx231xx_fh *fh = priv;
1663 struct cx231xx *dev = fh->dev;
1664
1665 if (dev->vbi_stream_on && !fh->stream_on) {
1666 dev_err(dev->dev,
1667 "%s device in use by another fh\n", __func__);
1668 return -EBUSY;
1669 }
1670 return vidioc_try_fmt_vbi_cap(file, priv, f);
1671}
1672
1673static int vidioc_reqbufs(struct file *file, void *priv,
1674 struct v4l2_requestbuffers *rb)
1675{
1676 struct cx231xx_fh *fh = priv;
1677 struct cx231xx *dev = fh->dev;
1678 int rc;
1679
1680 rc = check_dev(dev);
1681 if (rc < 0)
1682 return rc;
1683
1684 return videobuf_reqbufs(&fh->vb_vidq, rb);
1685}
1686
1687static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *b)
1688{
1689 struct cx231xx_fh *fh = priv;
1690 struct cx231xx *dev = fh->dev;
1691 int rc;
1692
1693 rc = check_dev(dev);
1694 if (rc < 0)
1695 return rc;
1696
1697 return videobuf_querybuf(&fh->vb_vidq, b);
1698}
1699
1700static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
1701{
1702 struct cx231xx_fh *fh = priv;
1703 struct cx231xx *dev = fh->dev;
1704 int rc;
1705
1706 rc = check_dev(dev);
1707 if (rc < 0)
1708 return rc;
1709
1710 return videobuf_qbuf(&fh->vb_vidq, b);
1711}
1712
1713static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
1714{
1715 struct cx231xx_fh *fh = priv;
1716 struct cx231xx *dev = fh->dev;
1717 int rc;
1718
1719 rc = check_dev(dev);
1720 if (rc < 0)
1721 return rc;
1722
1723 return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK);
1724}
1725
1726
1727
1728
1729
1730static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
1731{
1732 struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
1733
1734 if (t->index)
1735 return -EINVAL;
1736
1737 strscpy(t->name, "Radio", sizeof(t->name));
1738
1739 call_all(dev, tuner, g_tuner, t);
1740
1741 return 0;
1742}
1743static int radio_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *t)
1744{
1745 struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
1746
1747 if (t->index)
1748 return -EINVAL;
1749
1750 call_all(dev, tuner, s_tuner, t);
1751
1752 return 0;
1753}
1754
1755
1756
1757
1758
1759static int cx231xx_v4l2_open(struct file *filp)
1760{
1761 int radio = 0;
1762 struct video_device *vdev = video_devdata(filp);
1763 struct cx231xx *dev = video_drvdata(filp);
1764 struct cx231xx_fh *fh;
1765 enum v4l2_buf_type fh_type = 0;
1766
1767 switch (vdev->vfl_type) {
1768 case VFL_TYPE_GRABBER:
1769 fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1770 break;
1771 case VFL_TYPE_VBI:
1772 fh_type = V4L2_BUF_TYPE_VBI_CAPTURE;
1773 break;
1774 case VFL_TYPE_RADIO:
1775 radio = 1;
1776 break;
1777 default:
1778 return -EINVAL;
1779 }
1780
1781 cx231xx_videodbg("open dev=%s type=%s users=%d\n",
1782 video_device_node_name(vdev), v4l2_type_names[fh_type],
1783 dev->users);
1784
1785#if 0
1786 errCode = cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
1787 if (errCode < 0) {
1788 dev_err(dev->dev,
1789 "Device locked on digital mode. Can't open analog\n");
1790 return -EBUSY;
1791 }
1792#endif
1793
1794 fh = kzalloc(sizeof(struct cx231xx_fh), GFP_KERNEL);
1795 if (!fh)
1796 return -ENOMEM;
1797 if (mutex_lock_interruptible(&dev->lock)) {
1798 kfree(fh);
1799 return -ERESTARTSYS;
1800 }
1801 fh->dev = dev;
1802 fh->type = fh_type;
1803 filp->private_data = fh;
1804 v4l2_fh_init(&fh->fh, vdev);
1805
1806 if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) {
1807
1808 if (dev->board.external_av)
1809 cx231xx_set_power_mode(dev,
1810 POLARIS_AVMODE_ENXTERNAL_AV);
1811 else
1812 cx231xx_set_power_mode(dev, POLARIS_AVMODE_ANALOGT_TV);
1813
1814#if 0
1815 cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
1816#endif
1817
1818
1819 cx231xx_set_video_alternate(dev);
1820
1821
1822
1823 cx231xx_config_i2c(dev);
1824
1825
1826 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
1827
1828 }
1829 if (radio) {
1830 cx231xx_videodbg("video_open: setting radio device\n");
1831
1832
1833
1834 call_all(dev, tuner, s_radio);
1835 }
1836
1837 dev->users++;
1838
1839 if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
1840 videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_video_qops,
1841 NULL, &dev->video_mode.slock,
1842 fh->type, V4L2_FIELD_INTERLACED,
1843 sizeof(struct cx231xx_buffer),
1844 fh, &dev->lock);
1845 if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
1846
1847
1848 cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
1849
1850 videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_vbi_qops,
1851 NULL, &dev->vbi_mode.slock,
1852 fh->type, V4L2_FIELD_SEQ_TB,
1853 sizeof(struct cx231xx_buffer),
1854 fh, &dev->lock);
1855 }
1856 mutex_unlock(&dev->lock);
1857 v4l2_fh_add(&fh->fh);
1858
1859 return 0;
1860}
1861
1862
1863
1864
1865
1866
1867void cx231xx_release_analog_resources(struct cx231xx *dev)
1868{
1869
1870
1871
1872 if (video_is_registered(&dev->radio_dev))
1873 video_unregister_device(&dev->radio_dev);
1874 if (video_is_registered(&dev->vbi_dev)) {
1875 dev_info(dev->dev, "V4L2 device %s deregistered\n",
1876 video_device_node_name(&dev->vbi_dev));
1877 video_unregister_device(&dev->vbi_dev);
1878 }
1879 if (video_is_registered(&dev->vdev)) {
1880 dev_info(dev->dev, "V4L2 device %s deregistered\n",
1881 video_device_node_name(&dev->vdev));
1882
1883 if (dev->board.has_417)
1884 cx231xx_417_unregister(dev);
1885
1886 video_unregister_device(&dev->vdev);
1887 }
1888 v4l2_ctrl_handler_free(&dev->ctrl_handler);
1889 v4l2_ctrl_handler_free(&dev->radio_ctrl_handler);
1890}
1891
1892
1893
1894
1895
1896
1897static int cx231xx_close(struct file *filp)
1898{
1899 struct cx231xx_fh *fh = filp->private_data;
1900 struct cx231xx *dev = fh->dev;
1901
1902 cx231xx_videodbg("users=%d\n", dev->users);
1903
1904 cx231xx_videodbg("users=%d\n", dev->users);
1905 if (res_check(fh))
1906 res_free(fh);
1907
1908
1909
1910
1911
1912
1913
1914 if (!dev->board.no_alt_vanc)
1915 if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
1916 videobuf_stop(&fh->vb_vidq);
1917 videobuf_mmap_free(&fh->vb_vidq);
1918
1919
1920
1921 if (dev->state & DEV_DISCONNECTED) {
1922 if (atomic_read(&dev->devlist_count) > 0) {
1923 cx231xx_release_resources(dev);
1924 fh->dev = NULL;
1925 return 0;
1926 }
1927 return 0;
1928 }
1929
1930
1931 cx231xx_uninit_vbi_isoc(dev);
1932
1933
1934 if (!dev->vbi_or_sliced_cc_mode)
1935 cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
1936 else
1937 cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
1938
1939 v4l2_fh_del(&fh->fh);
1940 v4l2_fh_exit(&fh->fh);
1941 kfree(fh);
1942 dev->users--;
1943 wake_up_interruptible(&dev->open);
1944 return 0;
1945 }
1946
1947 v4l2_fh_del(&fh->fh);
1948 dev->users--;
1949 if (!dev->users) {
1950 videobuf_stop(&fh->vb_vidq);
1951 videobuf_mmap_free(&fh->vb_vidq);
1952
1953
1954
1955 if (dev->state & DEV_DISCONNECTED) {
1956 cx231xx_release_resources(dev);
1957 fh->dev = NULL;
1958 return 0;
1959 }
1960
1961
1962 call_all(dev, tuner, standby);
1963
1964
1965 if (dev->USE_ISO)
1966 cx231xx_uninit_isoc(dev);
1967 else
1968 cx231xx_uninit_bulk(dev);
1969 cx231xx_set_mode(dev, CX231XX_SUSPEND);
1970
1971
1972 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
1973 }
1974 v4l2_fh_exit(&fh->fh);
1975 kfree(fh);
1976 wake_up_interruptible(&dev->open);
1977 return 0;
1978}
1979
1980static int cx231xx_v4l2_close(struct file *filp)
1981{
1982 struct cx231xx_fh *fh = filp->private_data;
1983 struct cx231xx *dev = fh->dev;
1984 int rc;
1985
1986 mutex_lock(&dev->lock);
1987 rc = cx231xx_close(filp);
1988 mutex_unlock(&dev->lock);
1989 return rc;
1990}
1991
1992
1993
1994
1995
1996static ssize_t
1997cx231xx_v4l2_read(struct file *filp, char __user *buf, size_t count,
1998 loff_t *pos)
1999{
2000 struct cx231xx_fh *fh = filp->private_data;
2001 struct cx231xx *dev = fh->dev;
2002 int rc;
2003
2004 rc = check_dev(dev);
2005 if (rc < 0)
2006 return rc;
2007
2008 if ((fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
2009 (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)) {
2010 rc = res_get(fh);
2011
2012 if (unlikely(rc < 0))
2013 return rc;
2014
2015 if (mutex_lock_interruptible(&dev->lock))
2016 return -ERESTARTSYS;
2017 rc = videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0,
2018 filp->f_flags & O_NONBLOCK);
2019 mutex_unlock(&dev->lock);
2020 return rc;
2021 }
2022 return 0;
2023}
2024
2025
2026
2027
2028
2029static __poll_t cx231xx_v4l2_poll(struct file *filp, poll_table *wait)
2030{
2031 __poll_t req_events = poll_requested_events(wait);
2032 struct cx231xx_fh *fh = filp->private_data;
2033 struct cx231xx *dev = fh->dev;
2034 __poll_t res = 0;
2035 int rc;
2036
2037 rc = check_dev(dev);
2038 if (rc < 0)
2039 return EPOLLERR;
2040
2041 rc = res_get(fh);
2042
2043 if (unlikely(rc < 0))
2044 return EPOLLERR;
2045
2046 if (v4l2_event_pending(&fh->fh))
2047 res |= EPOLLPRI;
2048 else
2049 poll_wait(filp, &fh->fh.wait, wait);
2050
2051 if (!(req_events & (EPOLLIN | EPOLLRDNORM)))
2052 return res;
2053
2054 if ((V4L2_BUF_TYPE_VIDEO_CAPTURE == fh->type) ||
2055 (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)) {
2056 mutex_lock(&dev->lock);
2057 res |= videobuf_poll_stream(filp, &fh->vb_vidq, wait);
2058 mutex_unlock(&dev->lock);
2059 return res;
2060 }
2061 return res | EPOLLERR;
2062}
2063
2064
2065
2066
2067static int cx231xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
2068{
2069 struct cx231xx_fh *fh = filp->private_data;
2070 struct cx231xx *dev = fh->dev;
2071 int rc;
2072
2073 rc = check_dev(dev);
2074 if (rc < 0)
2075 return rc;
2076
2077 rc = res_get(fh);
2078
2079 if (unlikely(rc < 0))
2080 return rc;
2081
2082 if (mutex_lock_interruptible(&dev->lock))
2083 return -ERESTARTSYS;
2084 rc = videobuf_mmap_mapper(&fh->vb_vidq, vma);
2085 mutex_unlock(&dev->lock);
2086
2087 cx231xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n",
2088 (unsigned long)vma->vm_start,
2089 (unsigned long)vma->vm_end -
2090 (unsigned long)vma->vm_start, rc);
2091
2092 return rc;
2093}
2094
2095static const struct v4l2_file_operations cx231xx_v4l_fops = {
2096 .owner = THIS_MODULE,
2097 .open = cx231xx_v4l2_open,
2098 .release = cx231xx_v4l2_close,
2099 .read = cx231xx_v4l2_read,
2100 .poll = cx231xx_v4l2_poll,
2101 .mmap = cx231xx_v4l2_mmap,
2102 .unlocked_ioctl = video_ioctl2,
2103};
2104
2105static const struct v4l2_ioctl_ops video_ioctl_ops = {
2106 .vidioc_querycap = cx231xx_querycap,
2107 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
2108 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
2109 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
2110 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
2111 .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap,
2112 .vidioc_try_fmt_vbi_cap = vidioc_try_fmt_vbi_cap,
2113 .vidioc_s_fmt_vbi_cap = vidioc_s_fmt_vbi_cap,
2114 .vidioc_g_pixelaspect = vidioc_g_pixelaspect,
2115 .vidioc_g_selection = vidioc_g_selection,
2116 .vidioc_reqbufs = vidioc_reqbufs,
2117 .vidioc_querybuf = vidioc_querybuf,
2118 .vidioc_qbuf = vidioc_qbuf,
2119 .vidioc_dqbuf = vidioc_dqbuf,
2120 .vidioc_s_std = vidioc_s_std,
2121 .vidioc_g_std = vidioc_g_std,
2122 .vidioc_enum_input = cx231xx_enum_input,
2123 .vidioc_g_input = cx231xx_g_input,
2124 .vidioc_s_input = cx231xx_s_input,
2125 .vidioc_streamon = vidioc_streamon,
2126 .vidioc_streamoff = vidioc_streamoff,
2127 .vidioc_g_tuner = cx231xx_g_tuner,
2128 .vidioc_s_tuner = cx231xx_s_tuner,
2129 .vidioc_g_frequency = cx231xx_g_frequency,
2130 .vidioc_s_frequency = cx231xx_s_frequency,
2131#ifdef CONFIG_VIDEO_ADV_DEBUG
2132 .vidioc_g_chip_info = cx231xx_g_chip_info,
2133 .vidioc_g_register = cx231xx_g_register,
2134 .vidioc_s_register = cx231xx_s_register,
2135#endif
2136 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
2137 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
2138};
2139
2140static struct video_device cx231xx_vbi_template;
2141
2142static const struct video_device cx231xx_video_template = {
2143 .fops = &cx231xx_v4l_fops,
2144 .release = video_device_release_empty,
2145 .ioctl_ops = &video_ioctl_ops,
2146 .tvnorms = V4L2_STD_ALL,
2147};
2148
2149static const struct v4l2_file_operations radio_fops = {
2150 .owner = THIS_MODULE,
2151 .open = cx231xx_v4l2_open,
2152 .release = cx231xx_v4l2_close,
2153 .poll = v4l2_ctrl_poll,
2154 .unlocked_ioctl = video_ioctl2,
2155};
2156
2157static const struct v4l2_ioctl_ops radio_ioctl_ops = {
2158 .vidioc_querycap = cx231xx_querycap,
2159 .vidioc_g_tuner = radio_g_tuner,
2160 .vidioc_s_tuner = radio_s_tuner,
2161 .vidioc_g_frequency = cx231xx_g_frequency,
2162 .vidioc_s_frequency = cx231xx_s_frequency,
2163#ifdef CONFIG_VIDEO_ADV_DEBUG
2164 .vidioc_g_chip_info = cx231xx_g_chip_info,
2165 .vidioc_g_register = cx231xx_g_register,
2166 .vidioc_s_register = cx231xx_s_register,
2167#endif
2168 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
2169 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
2170};
2171
2172static struct video_device cx231xx_radio_template = {
2173 .name = "cx231xx-radio",
2174 .fops = &radio_fops,
2175 .ioctl_ops = &radio_ioctl_ops,
2176};
2177
2178
2179
2180static void cx231xx_vdev_init(struct cx231xx *dev,
2181 struct video_device *vfd,
2182 const struct video_device *template,
2183 const char *type_name)
2184{
2185 *vfd = *template;
2186 vfd->v4l2_dev = &dev->v4l2_dev;
2187 vfd->release = video_device_release_empty;
2188 vfd->lock = &dev->lock;
2189
2190 snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name);
2191
2192 video_set_drvdata(vfd, dev);
2193 if (dev->tuner_type == TUNER_ABSENT) {
2194 v4l2_disable_ioctl(vfd, VIDIOC_G_FREQUENCY);
2195 v4l2_disable_ioctl(vfd, VIDIOC_S_FREQUENCY);
2196 v4l2_disable_ioctl(vfd, VIDIOC_G_TUNER);
2197 v4l2_disable_ioctl(vfd, VIDIOC_S_TUNER);
2198 }
2199}
2200
2201int cx231xx_register_analog_devices(struct cx231xx *dev)
2202{
2203 int ret;
2204
2205 dev_info(dev->dev, "v4l2 driver version %s\n", CX231XX_VERSION);
2206
2207
2208 dev->norm = V4L2_STD_PAL;
2209 dev->width = norm_maxw(dev);
2210 dev->height = norm_maxh(dev);
2211 dev->interlaced = 0;
2212
2213
2214 dev->format = &format[0];
2215
2216
2217 video_mux(dev, dev->video_input);
2218
2219 call_all(dev, video, s_std, dev->norm);
2220
2221 v4l2_ctrl_handler_init(&dev->ctrl_handler, 10);
2222 v4l2_ctrl_handler_init(&dev->radio_ctrl_handler, 5);
2223
2224 if (dev->sd_cx25840) {
2225 v4l2_ctrl_add_handler(&dev->ctrl_handler,
2226 dev->sd_cx25840->ctrl_handler, NULL, true);
2227 v4l2_ctrl_add_handler(&dev->radio_ctrl_handler,
2228 dev->sd_cx25840->ctrl_handler,
2229 v4l2_ctrl_radio_filter, true);
2230 }
2231
2232 if (dev->ctrl_handler.error)
2233 return dev->ctrl_handler.error;
2234 if (dev->radio_ctrl_handler.error)
2235 return dev->radio_ctrl_handler.error;
2236
2237
2238
2239
2240
2241 cx231xx_vdev_init(dev, &dev->vdev, &cx231xx_video_template, "video");
2242#if defined(CONFIG_MEDIA_CONTROLLER)
2243 dev->video_pad.flags = MEDIA_PAD_FL_SINK;
2244 ret = media_entity_pads_init(&dev->vdev.entity, 1, &dev->video_pad);
2245 if (ret < 0)
2246 dev_err(dev->dev, "failed to initialize video media entity!\n");
2247#endif
2248 dev->vdev.ctrl_handler = &dev->ctrl_handler;
2249
2250 ret = video_register_device(&dev->vdev, VFL_TYPE_GRABBER,
2251 video_nr[dev->devno]);
2252 if (ret) {
2253 dev_err(dev->dev,
2254 "unable to register video device (error=%i).\n",
2255 ret);
2256 return ret;
2257 }
2258
2259 dev_info(dev->dev, "Registered video device %s [v4l2]\n",
2260 video_device_node_name(&dev->vdev));
2261
2262
2263 cx231xx_vbi_template = cx231xx_video_template;
2264 strscpy(cx231xx_vbi_template.name, "cx231xx-vbi",
2265 sizeof(cx231xx_vbi_template.name));
2266
2267
2268 cx231xx_vdev_init(dev, &dev->vbi_dev, &cx231xx_vbi_template, "vbi");
2269
2270#if defined(CONFIG_MEDIA_CONTROLLER)
2271 dev->vbi_pad.flags = MEDIA_PAD_FL_SINK;
2272 ret = media_entity_pads_init(&dev->vbi_dev.entity, 1, &dev->vbi_pad);
2273 if (ret < 0)
2274 dev_err(dev->dev, "failed to initialize vbi media entity!\n");
2275#endif
2276 dev->vbi_dev.ctrl_handler = &dev->ctrl_handler;
2277
2278 ret = video_register_device(&dev->vbi_dev, VFL_TYPE_VBI,
2279 vbi_nr[dev->devno]);
2280 if (ret < 0) {
2281 dev_err(dev->dev, "unable to register vbi device\n");
2282 return ret;
2283 }
2284
2285 dev_info(dev->dev, "Registered VBI device %s\n",
2286 video_device_node_name(&dev->vbi_dev));
2287
2288 if (cx231xx_boards[dev->model].radio.type == CX231XX_RADIO) {
2289 cx231xx_vdev_init(dev, &dev->radio_dev,
2290 &cx231xx_radio_template, "radio");
2291 dev->radio_dev.ctrl_handler = &dev->radio_ctrl_handler;
2292 ret = video_register_device(&dev->radio_dev, VFL_TYPE_RADIO,
2293 radio_nr[dev->devno]);
2294 if (ret < 0) {
2295 dev_err(dev->dev,
2296 "can't register radio device\n");
2297 return ret;
2298 }
2299 dev_info(dev->dev, "Registered radio device as %s\n",
2300 video_device_node_name(&dev->radio_dev));
2301 }
2302
2303 return 0;
2304}
2305
