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Merge tag 'trace-printf-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/trace...
[drm/drm-misc.git] / drivers / media / usb / cx231xx / cx231xx-video.c
blob2cd4e333bc4b012f97df98f8771f2508d81c3b3c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 cx231xx-video.c - driver for Conexant Cx23100/101/102
4 USB video capture devices
5
6 Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
7 Based on em28xx driver
8 Based on cx23885 driver
9 Based on cx88 driver
10
11 */
12
13 #include "cx231xx.h"
14 #include <linux/init.h>
15 #include <linux/list.h>
16 #include <linux/module.h>
17 #include <linux/kernel.h>
18 #include <linux/bitmap.h>
19 #include <linux/i2c.h>
20 #include <linux/mm.h>
21 #include <linux/mutex.h>
22 #include <linux/slab.h>
23
24 #include <media/v4l2-common.h>
25 #include <media/v4l2-ioctl.h>
26 #include <media/v4l2-event.h>
27 #include <media/drv-intf/msp3400.h>
28 #include <media/tuner.h>
29
30 #include <media/dvb_frontend.h>
31
32 #include "cx231xx-vbi.h"
33
34 #define CX231XX_VERSION "0.0.3"
35
36 #define DRIVER_AUTHOR "Srinivasa Deevi <srinivasa.deevi@conexant.com>"
37 #define DRIVER_DESC "Conexant cx231xx based USB video device driver"
38
39 #define cx231xx_videodbg(fmt, arg...) do {\
40 if (video_debug) \
41 printk(KERN_INFO "%s %s :"fmt, \
42 dev->name, __func__ , ##arg); } while (0)
43
44 static unsigned int isoc_debug;
45 module_param(isoc_debug, int, 0644);
46 MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]");
47
48 #define cx231xx_isocdbg(fmt, arg...) \
49 do {\
50 if (isoc_debug) { \
51 printk(KERN_INFO "%s %s :"fmt, \
52 dev->name, __func__ , ##arg); \
53 } \
54 } while (0)
55
56 MODULE_AUTHOR(DRIVER_AUTHOR);
57 MODULE_DESCRIPTION(DRIVER_DESC);
58 MODULE_LICENSE("GPL");
59 MODULE_VERSION(CX231XX_VERSION);
60
61 static unsigned int card[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = -1U };
62 static unsigned int video_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = -1U };
63 static unsigned int vbi_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = -1U };
64 static unsigned int radio_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = -1U };
65
66 module_param_array(card, int, NULL, 0444);
67 module_param_array(video_nr, int, NULL, 0444);
68 module_param_array(vbi_nr, int, NULL, 0444);
69 module_param_array(radio_nr, int, NULL, 0444);
70
71 MODULE_PARM_DESC(card, "card type");
72 MODULE_PARM_DESC(video_nr, "video device numbers");
73 MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
74 MODULE_PARM_DESC(radio_nr, "radio device numbers");
75
76 static unsigned int video_debug;
77 module_param(video_debug, int, 0644);
78 MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
79
80 /* supported video standards */
81 static struct cx231xx_fmt format[] = {
82 {
83 .fourcc = V4L2_PIX_FMT_YUYV,
84 .depth = 16,
85 .reg = 0,
86 },
87 };
88
89
90 static int cx231xx_enable_analog_tuner(struct cx231xx *dev)
91 {
92 #ifdef CONFIG_MEDIA_CONTROLLER
93 struct media_device *mdev = dev->media_dev;
94 struct media_entity *entity, *decoder = NULL, *source;
95 struct media_link *link, *found_link = NULL;
96 int ret, active_links = 0;
97
98 if (!mdev)
99 return 0;
100
101 /*
102 * This will find the tuner that is connected into the decoder.
103 * Technically, this is not 100% correct, as the device may be
104 * using an analog input instead of the tuner. However, as we can't
105 * do DVB streaming while the DMA engine is being used for V4L2,
106 * this should be enough for the actual needs.
107 */
108 media_device_for_each_entity(entity, mdev) {
109 if (entity->function == MEDIA_ENT_F_ATV_DECODER) {
110 decoder = entity;
111 break;
112 }
113 }
114 if (!decoder)
115 return 0;
116
117 list_for_each_entry(link, &decoder->links, list) {
118 if (link->sink->entity == decoder) {
119 found_link = link;
120 if (link->flags & MEDIA_LNK_FL_ENABLED)
121 active_links++;
122 break;
123 }
124 }
125
126 if (active_links == 1 || !found_link)
127 return 0;
128
129 source = found_link->source->entity;
130 list_for_each_entry(link, &source->links, list) {
131 struct media_entity *sink;
132 int flags = 0;
133
134 sink = link->sink->entity;
135
136 if (sink == entity)
137 flags = MEDIA_LNK_FL_ENABLED;
138
139 ret = media_entity_setup_link(link, flags);
140 if (ret) {
141 dev_err(dev->dev,
142 "Couldn't change link %s->%s to %s. Error %d\n",
143 source->name, sink->name,
144 flags ? "enabled" : "disabled",
145 ret);
146 return ret;
147 } else
148 dev_dbg(dev->dev,
149 "link %s->%s was %s\n",
150 source->name, sink->name,
151 flags ? "ENABLED" : "disabled");
152 }
153 #endif
154 return 0;
155 }
156
157 /* ------------------------------------------------------------------
158 Video buffer and parser functions
159 ------------------------------------------------------------------*/
160
161 /*
162 * Announces that a buffer were filled and request the next
163 */
164 static inline void buffer_filled(struct cx231xx *dev,
165 struct cx231xx_dmaqueue *dma_q,
166 struct cx231xx_buffer *buf)
167 {
168 /* Advice that buffer was filled */
169 cx231xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.vb2_buf.index);
170 buf->vb.sequence = dma_q->sequence++;
171 buf->vb.field = V4L2_FIELD_INTERLACED;
172 buf->vb.vb2_buf.timestamp = ktime_get_ns();
173 vb2_set_plane_payload(&buf->vb.vb2_buf, 0, dev->size);
174
175 if (dev->USE_ISO)
176 dev->video_mode.isoc_ctl.buf = NULL;
177 else
178 dev->video_mode.bulk_ctl.buf = NULL;
179
180 list_del(&buf->list);
181 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
182 }
183
184 static inline void print_err_status(struct cx231xx *dev, int packet, int status)
185 {
186 char *errmsg = "Unknown";
187
188 switch (status) {
189 case -ENOENT:
190 errmsg = "unlinked synchronously";
191 break;
192 case -ECONNRESET:
193 errmsg = "unlinked asynchronously";
194 break;
195 case -ENOSR:
196 errmsg = "Buffer error (overrun)";
197 break;
198 case -EPIPE:
199 errmsg = "Stalled (device not responding)";
200 break;
201 case -EOVERFLOW:
202 errmsg = "Babble (bad cable?)";
203 break;
204 case -EPROTO:
205 errmsg = "Bit-stuff error (bad cable?)";
206 break;
207 case -EILSEQ:
208 errmsg = "CRC/Timeout (could be anything)";
209 break;
210 case -ETIME:
211 errmsg = "Device does not respond";
212 break;
213 }
214 if (packet < 0) {
215 cx231xx_isocdbg("URB status %d [%s].\n", status, errmsg);
216 } else {
217 cx231xx_isocdbg("URB packet %d, status %d [%s].\n",
218 packet, status, errmsg);
219 }
220 }
221
222 /*
223 * generic routine to get the next available buffer
224 */
225 static inline void get_next_buf(struct cx231xx_dmaqueue *dma_q,
226 struct cx231xx_buffer **buf)
227 {
228 struct cx231xx_video_mode *vmode =
229 container_of(dma_q, struct cx231xx_video_mode, vidq);
230 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
231
232 char *outp;
233
234 if (list_empty(&dma_q->active)) {
235 cx231xx_isocdbg("No active queue to serve\n");
236 if (dev->USE_ISO)
237 dev->video_mode.isoc_ctl.buf = NULL;
238 else
239 dev->video_mode.bulk_ctl.buf = NULL;
240 *buf = NULL;
241 return;
242 }
243
244 /* Get the next buffer */
245 *buf = list_entry(dma_q->active.next, struct cx231xx_buffer, list);
246
247 /* Cleans up buffer - Useful for testing for frame/URB loss */
248 outp = vb2_plane_vaddr(&(*buf)->vb.vb2_buf, 0);
249 memset(outp, 0, dev->size);
250
251 if (dev->USE_ISO)
252 dev->video_mode.isoc_ctl.buf = *buf;
253 else
254 dev->video_mode.bulk_ctl.buf = *buf;
255
256 return;
257 }
258
259 /*
260 * Controls the isoc copy of each urb packet
261 */
262 static inline int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb)
263 {
264 struct cx231xx_dmaqueue *dma_q = urb->context;
265 int i;
266 unsigned char *p_buffer;
267 u32 bytes_parsed = 0, buffer_size = 0;
268 u8 sav_eav = 0;
269
270 if (!dev)
271 return 0;
272
273 if (dev->state & DEV_DISCONNECTED)
274 return 0;
275
276 if (urb->status < 0) {
277 print_err_status(dev, -1, urb->status);
278 if (urb->status == -ENOENT)
279 return 0;
280 }
281
282 for (i = 0; i < urb->number_of_packets; i++) {
283 int status = urb->iso_frame_desc[i].status;
284
285 if (status < 0) {
286 print_err_status(dev, i, status);
287 if (urb->iso_frame_desc[i].status != -EPROTO)
288 continue;
289 }
290
291 if (urb->iso_frame_desc[i].actual_length <= 0) {
292 /* cx231xx_isocdbg("packet %d is empty",i); - spammy */
293 continue;
294 }
295 if (urb->iso_frame_desc[i].actual_length >
296 dev->video_mode.max_pkt_size) {
297 cx231xx_isocdbg("packet bigger than packet size");
298 continue;
299 }
300
301 /* get buffer pointer and length */
302 p_buffer = urb->transfer_buffer + urb->iso_frame_desc[i].offset;
303 buffer_size = urb->iso_frame_desc[i].actual_length;
304 bytes_parsed = 0;
305
306 if (dma_q->is_partial_line) {
307 /* Handle the case of a partial line */
308 sav_eav = dma_q->last_sav;
309 } else {
310 /* Check for a SAV/EAV overlapping
311 the buffer boundary */
312 sav_eav =
313 cx231xx_find_boundary_SAV_EAV(p_buffer,
314 dma_q->partial_buf,
315 &bytes_parsed);
316 }
317
318 sav_eav &= 0xF0;
319 /* Get the first line if we have some portion of an SAV/EAV from
320 the last buffer or a partial line */
321 if (sav_eav) {
322 bytes_parsed += cx231xx_get_video_line(dev, dma_q,
323 sav_eav, /* SAV/EAV */
324 p_buffer + bytes_parsed, /* p_buffer */
325 buffer_size - bytes_parsed);/* buf size */
326 }
327
328 /* Now parse data that is completely in this buffer */
329 /* dma_q->is_partial_line = 0; */
330
331 while (bytes_parsed < buffer_size) {
332 u32 bytes_used = 0;
333
334 sav_eav = cx231xx_find_next_SAV_EAV(
335 p_buffer + bytes_parsed, /* p_buffer */
336 buffer_size - bytes_parsed, /* buf size */
337 &bytes_used);/* bytes used to get SAV/EAV */
338
339 bytes_parsed += bytes_used;
340
341 sav_eav &= 0xF0;
342 if (sav_eav && (bytes_parsed < buffer_size)) {
343 bytes_parsed += cx231xx_get_video_line(dev,
344 dma_q, sav_eav, /* SAV/EAV */
345 p_buffer + bytes_parsed,/* p_buffer */
346 buffer_size - bytes_parsed);/*buf size*/
347 }
348 }
349
350 /* Save the last four bytes of the buffer so we can check the
351 buffer boundary condition next time */
352 memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4);
353 bytes_parsed = 0;
354
355 }
356 return 1;
357 }
358
359 static inline int cx231xx_bulk_copy(struct cx231xx *dev, struct urb *urb)
360 {
361 struct cx231xx_dmaqueue *dma_q = urb->context;
362 unsigned char *p_buffer;
363 u32 bytes_parsed = 0, buffer_size = 0;
364 u8 sav_eav = 0;
365
366 if (!dev)
367 return 0;
368
369 if (dev->state & DEV_DISCONNECTED)
370 return 0;
371
372 if (urb->status < 0) {
373 print_err_status(dev, -1, urb->status);
374 if (urb->status == -ENOENT)
375 return 0;
376 }
377
378 if (1) {
379
380 /* get buffer pointer and length */
381 p_buffer = urb->transfer_buffer;
382 buffer_size = urb->actual_length;
383 bytes_parsed = 0;
384
385 if (dma_q->is_partial_line) {
386 /* Handle the case of a partial line */
387 sav_eav = dma_q->last_sav;
388 } else {
389 /* Check for a SAV/EAV overlapping
390 the buffer boundary */
391 sav_eav =
392 cx231xx_find_boundary_SAV_EAV(p_buffer,
393 dma_q->partial_buf,
394 &bytes_parsed);
395 }
396
397 sav_eav &= 0xF0;
398 /* Get the first line if we have some portion of an SAV/EAV from
399 the last buffer or a partial line */
400 if (sav_eav) {
401 bytes_parsed += cx231xx_get_video_line(dev, dma_q,
402 sav_eav, /* SAV/EAV */
403 p_buffer + bytes_parsed, /* p_buffer */
404 buffer_size - bytes_parsed);/* buf size */
405 }
406
407 /* Now parse data that is completely in this buffer */
408 /* dma_q->is_partial_line = 0; */
409
410 while (bytes_parsed < buffer_size) {
411 u32 bytes_used = 0;
412
413 sav_eav = cx231xx_find_next_SAV_EAV(
414 p_buffer + bytes_parsed, /* p_buffer */
415 buffer_size - bytes_parsed, /* buf size */
416 &bytes_used);/* bytes used to get SAV/EAV */
417
418 bytes_parsed += bytes_used;
419
420 sav_eav &= 0xF0;
421 if (sav_eav && (bytes_parsed < buffer_size)) {
422 bytes_parsed += cx231xx_get_video_line(dev,
423 dma_q, sav_eav, /* SAV/EAV */
424 p_buffer + bytes_parsed,/* p_buffer */
425 buffer_size - bytes_parsed);/*buf size*/
426 }
427 }
428
429 /* Save the last four bytes of the buffer so we can check the
430 buffer boundary condition next time */
431 memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4);
432 bytes_parsed = 0;
433
434 }
435 return 1;
436 }
437
438
439 u8 cx231xx_find_boundary_SAV_EAV(u8 *p_buffer, u8 *partial_buf,
440 u32 *p_bytes_used)
441 {
442 u32 bytes_used;
443 u8 boundary_bytes[8];
444 u8 sav_eav = 0;
445
446 *p_bytes_used = 0;
447
448 /* Create an array of the last 4 bytes of the last buffer and the first
449 4 bytes of the current buffer. */
450
451 memcpy(boundary_bytes, partial_buf, 4);
452 memcpy(boundary_bytes + 4, p_buffer, 4);
453
454 /* Check for the SAV/EAV in the boundary buffer */
455 sav_eav = cx231xx_find_next_SAV_EAV((u8 *)&boundary_bytes, 8,
456 &bytes_used);
457
458 if (sav_eav) {
459 /* found a boundary SAV/EAV. Updates the bytes used to reflect
460 only those used in the new buffer */
461 *p_bytes_used = bytes_used - 4;
462 }
463
464 return sav_eav;
465 }
466
467 u8 cx231xx_find_next_SAV_EAV(u8 *p_buffer, u32 buffer_size, u32 *p_bytes_used)
468 {
469 u32 i;
470 u8 sav_eav = 0;
471
472 /*
473 * Don't search if the buffer size is less than 4. It causes a page
474 * fault since buffer_size - 4 evaluates to a large number in that
475 * case.
476 */
477 if (buffer_size < 4) {
478 *p_bytes_used = buffer_size;
479 return 0;
480 }
481
482 for (i = 0; i < (buffer_size - 3); i++) {
483
484 if ((p_buffer[i] == 0xFF) &&
485 (p_buffer[i + 1] == 0x00) && (p_buffer[i + 2] == 0x00)) {
486
487 *p_bytes_used = i + 4;
488 sav_eav = p_buffer[i + 3];
489 return sav_eav;
490 }
491 }
492
493 *p_bytes_used = buffer_size;
494 return 0;
495 }
496
497 u32 cx231xx_get_video_line(struct cx231xx *dev,
498 struct cx231xx_dmaqueue *dma_q, u8 sav_eav,
499 u8 *p_buffer, u32 buffer_size)
500 {
501 u32 bytes_copied = 0;
502 int current_field = -1;
503
504 switch (sav_eav) {
505 case SAV_ACTIVE_VIDEO_FIELD1:
506 /* looking for skipped line which occurred in PAL 720x480 mode.
507 In this case, there will be no active data contained
508 between the SAV and EAV */
509 if ((buffer_size > 3) && (p_buffer[0] == 0xFF) &&
510 (p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) &&
511 ((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) ||
512 (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) ||
513 (p_buffer[3] == EAV_VBLANK_FIELD1) ||
514 (p_buffer[3] == EAV_VBLANK_FIELD2)))
515 return bytes_copied;
516 current_field = 1;
517 break;
518
519 case SAV_ACTIVE_VIDEO_FIELD2:
520 /* looking for skipped line which occurred in PAL 720x480 mode.
521 In this case, there will be no active data contained between
522 the SAV and EAV */
523 if ((buffer_size > 3) && (p_buffer[0] == 0xFF) &&
524 (p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) &&
525 ((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) ||
526 (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) ||
527 (p_buffer[3] == EAV_VBLANK_FIELD1) ||
528 (p_buffer[3] == EAV_VBLANK_FIELD2)))
529 return bytes_copied;
530 current_field = 2;
531 break;
532 }
533
534 dma_q->last_sav = sav_eav;
535
536 bytes_copied = cx231xx_copy_video_line(dev, dma_q, p_buffer,
537 buffer_size, current_field);
538
539 return bytes_copied;
540 }
541
542 u32 cx231xx_copy_video_line(struct cx231xx *dev,
543 struct cx231xx_dmaqueue *dma_q, u8 *p_line,
544 u32 length, int field_number)
545 {
546 u32 bytes_to_copy;
547 struct cx231xx_buffer *buf;
548 u32 _line_size = dev->width * 2;
549
550 if (dma_q->current_field != field_number)
551 cx231xx_reset_video_buffer(dev, dma_q);
552
553 /* get the buffer pointer */
554 if (dev->USE_ISO)
555 buf = dev->video_mode.isoc_ctl.buf;
556 else
557 buf = dev->video_mode.bulk_ctl.buf;
558
559 /* Remember the field number for next time */
560 dma_q->current_field = field_number;
561
562 bytes_to_copy = dma_q->bytes_left_in_line;
563 if (bytes_to_copy > length)
564 bytes_to_copy = length;
565
566 if (dma_q->lines_completed >= dma_q->lines_per_field) {
567 dma_q->bytes_left_in_line -= bytes_to_copy;
568 dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0) ?
569 0 : 1;
570 return 0;
571 }
572
573 dma_q->is_partial_line = 1;
574
575 /* If we don't have a buffer, just return the number of bytes we would
576 have copied if we had a buffer. */
577 if (!buf) {
578 dma_q->bytes_left_in_line -= bytes_to_copy;
579 dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0)
580 ? 0 : 1;
581 return bytes_to_copy;
582 }
583
584 /* copy the data to video buffer */
585 cx231xx_do_copy(dev, dma_q, p_line, bytes_to_copy);
586
587 dma_q->pos += bytes_to_copy;
588 dma_q->bytes_left_in_line -= bytes_to_copy;
589
590 if (dma_q->bytes_left_in_line == 0) {
591 dma_q->bytes_left_in_line = _line_size;
592 dma_q->lines_completed++;
593 dma_q->is_partial_line = 0;
594
595 if (cx231xx_is_buffer_done(dev, dma_q) && buf) {
596 buffer_filled(dev, dma_q, buf);
597
598 dma_q->pos = 0;
599 buf = NULL;
600 dma_q->lines_completed = 0;
601 }
602 }
603
604 return bytes_to_copy;
605 }
606
607 void cx231xx_reset_video_buffer(struct cx231xx *dev,
608 struct cx231xx_dmaqueue *dma_q)
609 {
610 struct cx231xx_buffer *buf;
611
612 /* handle the switch from field 1 to field 2 */
613 if (dma_q->current_field == 1) {
614 if (dma_q->lines_completed >= dma_q->lines_per_field)
615 dma_q->field1_done = 1;
616 else
617 dma_q->field1_done = 0;
618 }
619
620 if (dev->USE_ISO)
621 buf = dev->video_mode.isoc_ctl.buf;
622 else
623 buf = dev->video_mode.bulk_ctl.buf;
624
625 if (buf == NULL) {
626 /* first try to get the buffer */
627 get_next_buf(dma_q, &buf);
628
629 dma_q->pos = 0;
630 dma_q->field1_done = 0;
631 dma_q->current_field = -1;
632 }
633
634 /* reset the counters */
635 dma_q->bytes_left_in_line = dev->width << 1;
636 dma_q->lines_completed = 0;
637 }
638
639 int cx231xx_do_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
640 u8 *p_buffer, u32 bytes_to_copy)
641 {
642 u8 *p_out_buffer = NULL;
643 u32 current_line_bytes_copied = 0;
644 struct cx231xx_buffer *buf;
645 u32 _line_size = dev->width << 1;
646 void *startwrite;
647 int offset, lencopy;
648
649 if (dev->USE_ISO)
650 buf = dev->video_mode.isoc_ctl.buf;
651 else
652 buf = dev->video_mode.bulk_ctl.buf;
653
654 if (buf == NULL)
655 return -1;
656
657 p_out_buffer = vb2_plane_vaddr(&buf->vb.vb2_buf, 0);
658
659 current_line_bytes_copied = _line_size - dma_q->bytes_left_in_line;
660
661 /* Offset field 2 one line from the top of the buffer */
662 offset = (dma_q->current_field == 1) ? 0 : _line_size;
663
664 /* Offset for field 2 */
665 startwrite = p_out_buffer + offset;
666
667 /* lines already completed in the current field */
668 startwrite += (dma_q->lines_completed * _line_size * 2);
669
670 /* bytes already completed in the current line */
671 startwrite += current_line_bytes_copied;
672
673 lencopy = dma_q->bytes_left_in_line > bytes_to_copy ?
674 bytes_to_copy : dma_q->bytes_left_in_line;
675
676 if ((u8 *)(startwrite + lencopy) > (u8 *)(p_out_buffer + dev->size))
677 return 0;
678
679 /* The below copies the UYVY data straight into video buffer */
680 cx231xx_swab((u16 *) p_buffer, (u16 *) startwrite, (u16) lencopy);
681
682 return 0;
683 }
684
685 void cx231xx_swab(u16 *from, u16 *to, u16 len)
686 {
687 u16 i;
688
689 if (len <= 0)
690 return;
691
692 for (i = 0; i < len / 2; i++)
693 to[i] = (from[i] << 8) | (from[i] >> 8);
694 }
695
696 u8 cx231xx_is_buffer_done(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q)
697 {
698 u8 buffer_complete = 0;
699
700 /* Dual field stream */
701 buffer_complete = ((dma_q->current_field == 2) &&
702 (dma_q->lines_completed >= dma_q->lines_per_field) &&
703 dma_q->field1_done);
704
705 return buffer_complete;
706 }
707
708 /* ------------------------------------------------------------------
709 Videobuf operations
710 ------------------------------------------------------------------*/
711
712 static int queue_setup(struct vb2_queue *vq,
713 unsigned int *nbuffers, unsigned int *nplanes,
714 unsigned int sizes[], struct device *alloc_devs[])
715 {
716 struct cx231xx *dev = vb2_get_drv_priv(vq);
717 unsigned int q_num_bufs = vb2_get_num_buffers(vq);
718
719 dev->size = (dev->width * dev->height * dev->format->depth + 7) >> 3;
720
721 if (q_num_bufs + *nbuffers < CX231XX_MIN_BUF)
722 *nbuffers = CX231XX_MIN_BUF - q_num_bufs;
723
724 if (*nplanes)
725 return sizes[0] < dev->size ? -EINVAL : 0;
726 *nplanes = 1;
727 sizes[0] = dev->size;
728
729 return 0;
730 }
731
732 static void buffer_queue(struct vb2_buffer *vb)
733 {
734 struct cx231xx_buffer *buf =
735 container_of(vb, struct cx231xx_buffer, vb.vb2_buf);
736 struct cx231xx *dev = vb2_get_drv_priv(vb->vb2_queue);
737 struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq;
738 unsigned long flags;
739
740 spin_lock_irqsave(&dev->video_mode.slock, flags);
741 list_add_tail(&buf->list, &vidq->active);
742 spin_unlock_irqrestore(&dev->video_mode.slock, flags);
743 }
744
745 static void return_all_buffers(struct cx231xx *dev,
746 enum vb2_buffer_state state)
747 {
748 struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq;
749 struct cx231xx_buffer *buf, *node;
750 unsigned long flags;
751
752 spin_lock_irqsave(&dev->video_mode.slock, flags);
753 if (dev->USE_ISO)
754 dev->video_mode.isoc_ctl.buf = NULL;
755 else
756 dev->video_mode.bulk_ctl.buf = NULL;
757 list_for_each_entry_safe(buf, node, &vidq->active, list) {
758 list_del(&buf->list);
759 vb2_buffer_done(&buf->vb.vb2_buf, state);
760 }
761 spin_unlock_irqrestore(&dev->video_mode.slock, flags);
762 }
763
764 static int start_streaming(struct vb2_queue *vq, unsigned int count)
765 {
766 struct cx231xx *dev = vb2_get_drv_priv(vq);
767 struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq;
768 int ret = 0;
769
770 vidq->sequence = 0;
771 dev->mode_tv = 0;
772
773 cx231xx_enable_analog_tuner(dev);
774 if (dev->USE_ISO)
775 ret = cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS,
776 CX231XX_NUM_BUFS,
777 dev->video_mode.max_pkt_size,
778 cx231xx_isoc_copy);
779 else
780 ret = cx231xx_init_bulk(dev, CX231XX_NUM_PACKETS,
781 CX231XX_NUM_BUFS,
782 dev->video_mode.max_pkt_size,
783 cx231xx_bulk_copy);
784 if (ret)
785 return_all_buffers(dev, VB2_BUF_STATE_QUEUED);
786 call_all(dev, video, s_stream, 1);
787 return ret;
788 }
789
790 static void stop_streaming(struct vb2_queue *vq)
791 {
792 struct cx231xx *dev = vb2_get_drv_priv(vq);
793
794 call_all(dev, video, s_stream, 0);
795 return_all_buffers(dev, VB2_BUF_STATE_ERROR);
796 }
797
798 static const struct vb2_ops cx231xx_video_qops = {
799 .queue_setup = queue_setup,
800 .buf_queue = buffer_queue,
801 .start_streaming = start_streaming,
802 .stop_streaming = stop_streaming,
803 };
804
805 /********************* v4l2 interface **************************************/
806
807 void video_mux(struct cx231xx *dev, int index)
808 {
809 dev->video_input = index;
810 dev->ctl_ainput = INPUT(index)->amux;
811
812 cx231xx_set_video_input_mux(dev, index);
813
814 cx25840_call(dev, video, s_routing, INPUT(index)->vmux, 0, 0);
815
816 cx231xx_set_audio_input(dev, dev->ctl_ainput);
817
818 dev_dbg(dev->dev, "video_mux : %d\n", index);
819
820 /* do mode control overrides if required */
821 cx231xx_do_mode_ctrl_overrides(dev);
822 }
823
824 /* ------------------------------------------------------------------
825 IOCTL vidioc handling
826 ------------------------------------------------------------------*/
827
828 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
829 struct v4l2_format *f)
830 {
831 struct cx231xx *dev = video_drvdata(file);
832
833 f->fmt.pix.width = dev->width;
834 f->fmt.pix.height = dev->height;
835 f->fmt.pix.pixelformat = dev->format->fourcc;
836 f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3;
837 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height;
838 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
839
840 f->fmt.pix.field = V4L2_FIELD_INTERLACED;
841
842 return 0;
843 }
844
845 static struct cx231xx_fmt *format_by_fourcc(unsigned int fourcc)
846 {
847 unsigned int i;
848
849 for (i = 0; i < ARRAY_SIZE(format); i++)
850 if (format[i].fourcc == fourcc)
851 return &format[i];
852
853 return NULL;
854 }
855
856 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
857 struct v4l2_format *f)
858 {
859 struct cx231xx *dev = video_drvdata(file);
860 unsigned int width = f->fmt.pix.width;
861 unsigned int height = f->fmt.pix.height;
862 unsigned int maxw = norm_maxw(dev);
863 unsigned int maxh = norm_maxh(dev);
864 struct cx231xx_fmt *fmt;
865
866 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
867 if (!fmt) {
868 cx231xx_videodbg("Fourcc format (%08x) invalid.\n",
869 f->fmt.pix.pixelformat);
870 return -EINVAL;
871 }
872
873 /* width must even because of the YUYV format
874 height must be even because of interlacing */
875 v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 1, 0);
876
877 f->fmt.pix.width = width;
878 f->fmt.pix.height = height;
879 f->fmt.pix.pixelformat = fmt->fourcc;
880 f->fmt.pix.bytesperline = (width * fmt->depth + 7) >> 3;
881 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height;
882 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
883 f->fmt.pix.field = V4L2_FIELD_INTERLACED;
884
885 return 0;
886 }
887
888 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
889 struct v4l2_format *f)
890 {
891 struct cx231xx *dev = video_drvdata(file);
892 struct v4l2_subdev_format format = {
893 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
894 };
895 int rc;
896
897 rc = vidioc_try_fmt_vid_cap(file, priv, f);
898 if (rc)
899 return rc;
900
901 if (vb2_is_busy(&dev->vidq)) {
902 dev_err(dev->dev, "%s: queue busy\n", __func__);
903 return -EBUSY;
904 }
905
906 /* set new image size */
907 dev->width = f->fmt.pix.width;
908 dev->height = f->fmt.pix.height;
909 dev->format = format_by_fourcc(f->fmt.pix.pixelformat);
910
911 v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED);
912 call_all(dev, pad, set_fmt, NULL, &format);
913 v4l2_fill_pix_format(&f->fmt.pix, &format.format);
914
915 return rc;
916 }
917
918 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
919 {
920 struct cx231xx *dev = video_drvdata(file);
921
922 *id = dev->norm;
923 return 0;
924 }
925
926 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm)
927 {
928 struct cx231xx *dev = video_drvdata(file);
929 struct v4l2_subdev_format format = {
930 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
931 };
932
933 if (dev->norm == norm)
934 return 0;
935
936 if (vb2_is_busy(&dev->vidq))
937 return -EBUSY;
938
939 dev->norm = norm;
940
941 /* Adjusts width/height, if needed */
942 dev->width = 720;
943 dev->height = (dev->norm & V4L2_STD_625_50) ? 576 : 480;
944
945 call_all(dev, video, s_std, dev->norm);
946
947 /* We need to reset basic properties in the decoder related to
948 resolution (since a standard change effects things like the number
949 of lines in VACT, etc) */
950 format.format.code = MEDIA_BUS_FMT_FIXED;
951 format.format.width = dev->width;
952 format.format.height = dev->height;
953 call_all(dev, pad, set_fmt, NULL, &format);
954
955 /* do mode control overrides */
956 cx231xx_do_mode_ctrl_overrides(dev);
957
958 return 0;
959 }
960
961 static const char *iname[] = {
962 [CX231XX_VMUX_COMPOSITE1] = "Composite1",
963 [CX231XX_VMUX_SVIDEO] = "S-Video",
964 [CX231XX_VMUX_TELEVISION] = "Television",
965 [CX231XX_VMUX_CABLE] = "Cable TV",
966 [CX231XX_VMUX_DVB] = "DVB",
967 };
968
969 void cx231xx_v4l2_create_entities(struct cx231xx *dev)
970 {
971 #if defined(CONFIG_MEDIA_CONTROLLER)
972 int ret, i;
973
974 /* Create entities for each input connector */
975 for (i = 0; i < MAX_CX231XX_INPUT; i++) {
976 struct media_entity *ent = &dev->input_ent[i];
977
978 if (!INPUT(i)->type)
979 break;
980
981 ent->name = iname[INPUT(i)->type];
982 ent->flags = MEDIA_ENT_FL_CONNECTOR;
983 dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
984
985 switch (INPUT(i)->type) {
986 case CX231XX_VMUX_COMPOSITE1:
987 ent->function = MEDIA_ENT_F_CONN_COMPOSITE;
988 break;
989 case CX231XX_VMUX_SVIDEO:
990 ent->function = MEDIA_ENT_F_CONN_SVIDEO;
991 break;
992 case CX231XX_VMUX_TELEVISION:
993 case CX231XX_VMUX_CABLE:
994 case CX231XX_VMUX_DVB:
995 /* The DVB core will handle it */
996 if (dev->tuner_type == TUNER_ABSENT)
997 continue;
998 fallthrough;
999 default: /* just to shut up a gcc warning */
1000 ent->function = MEDIA_ENT_F_CONN_RF;
1001 break;
1002 }
1003
1004 ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]);
1005 if (ret < 0)
1006 pr_err("failed to initialize input pad[%d]!\n", i);
1007
1008 ret = media_device_register_entity(dev->media_dev, ent);
1009 if (ret < 0)
1010 pr_err("failed to register input entity %d!\n", i);
1011 }
1012 #endif
1013 }
1014
1015 int cx231xx_enum_input(struct file *file, void *priv,
1016 struct v4l2_input *i)
1017 {
1018 struct cx231xx *dev = video_drvdata(file);
1019 u32 gen_stat;
1020 unsigned int n;
1021 int ret;
1022
1023 n = i->index;
1024 if (n >= MAX_CX231XX_INPUT)
1025 return -EINVAL;
1026 if (0 == INPUT(n)->type)
1027 return -EINVAL;
1028
1029 i->index = n;
1030 i->type = V4L2_INPUT_TYPE_CAMERA;
1031
1032 strscpy(i->name, iname[INPUT(n)->type], sizeof(i->name));
1033
1034 if ((CX231XX_VMUX_TELEVISION == INPUT(n)->type) ||
1035 (CX231XX_VMUX_CABLE == INPUT(n)->type))
1036 i->type = V4L2_INPUT_TYPE_TUNER;
1037
1038 i->std = dev->vdev.tvnorms;
1039
1040 /* If they are asking about the active input, read signal status */
1041 if (n == dev->video_input) {
1042 ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1043 GEN_STAT, 2, &gen_stat, 4);
1044 if (ret > 0) {
1045 if ((gen_stat & FLD_VPRES) == 0x00)
1046 i->status |= V4L2_IN_ST_NO_SIGNAL;
1047 if ((gen_stat & FLD_HLOCK) == 0x00)
1048 i->status |= V4L2_IN_ST_NO_H_LOCK;
1049 }
1050 }
1051
1052 return 0;
1053 }
1054
1055 int cx231xx_g_input(struct file *file, void *priv, unsigned int *i)
1056 {
1057 struct cx231xx *dev = video_drvdata(file);
1058
1059 *i = dev->video_input;
1060
1061 return 0;
1062 }
1063
1064 int cx231xx_s_input(struct file *file, void *priv, unsigned int i)
1065 {
1066 struct cx231xx *dev = video_drvdata(file);
1067
1068 dev->mode_tv = 0;
1069
1070 if (i >= MAX_CX231XX_INPUT)
1071 return -EINVAL;
1072 if (0 == INPUT(i)->type)
1073 return -EINVAL;
1074
1075 video_mux(dev, i);
1076
1077 if (INPUT(i)->type == CX231XX_VMUX_TELEVISION ||
1078 INPUT(i)->type == CX231XX_VMUX_CABLE) {
1079 /* There's a tuner, so reset the standard and put it on the
1080 last known frequency (since it was probably powered down
1081 until now */
1082 call_all(dev, video, s_std, dev->norm);
1083 }
1084
1085 return 0;
1086 }
1087
1088 int cx231xx_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
1089 {
1090 struct cx231xx *dev = video_drvdata(file);
1091
1092 if (0 != t->index)
1093 return -EINVAL;
1094
1095 strscpy(t->name, "Tuner", sizeof(t->name));
1096
1097 t->type = V4L2_TUNER_ANALOG_TV;
1098 t->capability = V4L2_TUNER_CAP_NORM;
1099 t->rangehigh = 0xffffffffUL;
1100 t->signal = 0xffff; /* LOCKED */
1101 call_all(dev, tuner, g_tuner, t);
1102
1103 return 0;
1104 }
1105
1106 int cx231xx_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *t)
1107 {
1108 if (0 != t->index)
1109 return -EINVAL;
1110 return 0;
1111 }
1112
1113 int cx231xx_g_frequency(struct file *file, void *priv,
1114 struct v4l2_frequency *f)
1115 {
1116 struct cx231xx *dev = video_drvdata(file);
1117
1118 if (f->tuner)
1119 return -EINVAL;
1120
1121 f->frequency = dev->ctl_freq;
1122
1123 return 0;
1124 }
1125
1126 int cx231xx_s_frequency(struct file *file, void *priv,
1127 const struct v4l2_frequency *f)
1128 {
1129 struct cx231xx *dev = video_drvdata(file);
1130 struct v4l2_frequency new_freq = *f;
1131 int rc, need_if_freq = 0;
1132 u32 if_frequency = 5400000;
1133
1134 dev_dbg(dev->dev,
1135 "Enter vidioc_s_frequency()f->frequency=%d;f->type=%d\n",
1136 f->frequency, f->type);
1137
1138 if (0 != f->tuner)
1139 return -EINVAL;
1140
1141 /* set pre channel change settings in DIF first */
1142 rc = cx231xx_tuner_pre_channel_change(dev);
1143
1144 switch (dev->model) { /* i2c device tuners */
1145 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx:
1146 case CX231XX_BOARD_HAUPPAUGE_935C:
1147 case CX231XX_BOARD_HAUPPAUGE_955Q:
1148 case CX231XX_BOARD_HAUPPAUGE_975:
1149 case CX231XX_BOARD_EVROMEDIA_FULL_HYBRID_FULLHD:
1150 if (dev->cx231xx_set_analog_freq)
1151 dev->cx231xx_set_analog_freq(dev, f->frequency);
1152 dev->ctl_freq = f->frequency;
1153 need_if_freq = 1;
1154 break;
1155 default:
1156 call_all(dev, tuner, s_frequency, f);
1157 call_all(dev, tuner, g_frequency, &new_freq);
1158 dev->ctl_freq = new_freq.frequency;
1159 break;
1160 }
1161
1162 pr_debug("%s() %u : %u\n", __func__, f->frequency, dev->ctl_freq);
1163
1164 /* set post channel change settings in DIF first */
1165 rc = cx231xx_tuner_post_channel_change(dev);
1166
1167 if (need_if_freq || dev->tuner_type == TUNER_NXP_TDA18271) {
1168 if (dev->norm & (V4L2_STD_MN | V4L2_STD_NTSC_443))
1169 if_frequency = 5400000; /*5.4MHz */
1170 else if (dev->norm & V4L2_STD_B)
1171 if_frequency = 6000000; /*6.0MHz */
1172 else if (dev->norm & (V4L2_STD_PAL_DK | V4L2_STD_SECAM_DK))
1173 if_frequency = 6900000; /*6.9MHz */
1174 else if (dev->norm & V4L2_STD_GH)
1175 if_frequency = 7100000; /*7.1MHz */
1176 else if (dev->norm & V4L2_STD_PAL_I)
1177 if_frequency = 7250000; /*7.25MHz */
1178 else if (dev->norm & V4L2_STD_SECAM_L)
1179 if_frequency = 6900000; /*6.9MHz */
1180 else if (dev->norm & V4L2_STD_SECAM_LC)
1181 if_frequency = 1250000; /*1.25MHz */
1182
1183 dev_dbg(dev->dev,
1184 "if_frequency is set to %d\n", if_frequency);
1185 cx231xx_set_Colibri_For_LowIF(dev, if_frequency, 1, 1);
1186
1187 update_HH_register_after_set_DIF(dev);
1188 }
1189
1190 dev_dbg(dev->dev, "Set New FREQUENCY to %d\n", f->frequency);
1191
1192 return rc;
1193 }
1194
1195 #ifdef CONFIG_VIDEO_ADV_DEBUG
1196
1197 int cx231xx_g_chip_info(struct file *file, void *fh,
1198 struct v4l2_dbg_chip_info *chip)
1199 {
1200 switch (chip->match.addr) {
1201 case 0: /* Cx231xx - internal registers */
1202 return 0;
1203 case 1: /* AFE - read byte */
1204 strscpy(chip->name, "AFE (byte)", sizeof(chip->name));
1205 return 0;
1206 case 2: /* Video Block - read byte */
1207 strscpy(chip->name, "Video (byte)", sizeof(chip->name));
1208 return 0;
1209 case 3: /* I2S block - read byte */
1210 strscpy(chip->name, "I2S (byte)", sizeof(chip->name));
1211 return 0;
1212 case 4: /* AFE - read dword */
1213 strscpy(chip->name, "AFE (dword)", sizeof(chip->name));
1214 return 0;
1215 case 5: /* Video Block - read dword */
1216 strscpy(chip->name, "Video (dword)", sizeof(chip->name));
1217 return 0;
1218 case 6: /* I2S Block - read dword */
1219 strscpy(chip->name, "I2S (dword)", sizeof(chip->name));
1220 return 0;
1221 }
1222 return -EINVAL;
1223 }
1224
1225 int cx231xx_g_register(struct file *file, void *priv,
1226 struct v4l2_dbg_register *reg)
1227 {
1228 struct cx231xx *dev = video_drvdata(file);
1229 int ret;
1230 u8 value[4] = { 0, 0, 0, 0 };
1231 u32 data = 0;
1232
1233 switch (reg->match.addr) {
1234 case 0: /* Cx231xx - internal registers */
1235 ret = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER,
1236 (u16)reg->reg, value, 4);
1237 reg->val = value[0] | value[1] << 8 |
1238 value[2] << 16 | (u32)value[3] << 24;
1239 reg->size = 4;
1240 break;
1241 case 1: /* AFE - read byte */
1242 ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS,
1243 (u16)reg->reg, 2, &data, 1);
1244 reg->val = data;
1245 reg->size = 1;
1246 break;
1247 case 2: /* Video Block - read byte */
1248 ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1249 (u16)reg->reg, 2, &data, 1);
1250 reg->val = data;
1251 reg->size = 1;
1252 break;
1253 case 3: /* I2S block - read byte */
1254 ret = cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
1255 (u16)reg->reg, 1, &data, 1);
1256 reg->val = data;
1257 reg->size = 1;
1258 break;
1259 case 4: /* AFE - read dword */
1260 ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS,
1261 (u16)reg->reg, 2, &data, 4);
1262 reg->val = data;
1263 reg->size = 4;
1264 break;
1265 case 5: /* Video Block - read dword */
1266 ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1267 (u16)reg->reg, 2, &data, 4);
1268 reg->val = data;
1269 reg->size = 4;
1270 break;
1271 case 6: /* I2S Block - read dword */
1272 ret = cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
1273 (u16)reg->reg, 1, &data, 4);
1274 reg->val = data;
1275 reg->size = 4;
1276 break;
1277 default:
1278 return -EINVAL;
1279 }
1280 return ret < 0 ? ret : 0;
1281 }
1282
1283 int cx231xx_s_register(struct file *file, void *priv,
1284 const struct v4l2_dbg_register *reg)
1285 {
1286 struct cx231xx *dev = video_drvdata(file);
1287 int ret;
1288 u8 data[4] = { 0, 0, 0, 0 };
1289
1290 switch (reg->match.addr) {
1291 case 0: /* cx231xx internal registers */
1292 data[0] = (u8) reg->val;
1293 data[1] = (u8) (reg->val >> 8);
1294 data[2] = (u8) (reg->val >> 16);
1295 data[3] = (u8) (reg->val >> 24);
1296 ret = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
1297 (u16)reg->reg, data, 4);
1298 break;
1299 case 1: /* AFE - write byte */
1300 ret = cx231xx_write_i2c_data(dev, AFE_DEVICE_ADDRESS,
1301 (u16)reg->reg, 2, reg->val, 1);
1302 break;
1303 case 2: /* Video Block - write byte */
1304 ret = cx231xx_write_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1305 (u16)reg->reg, 2, reg->val, 1);
1306 break;
1307 case 3: /* I2S block - write byte */
1308 ret = cx231xx_write_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
1309 (u16)reg->reg, 1, reg->val, 1);
1310 break;
1311 case 4: /* AFE - write dword */
1312 ret = cx231xx_write_i2c_data(dev, AFE_DEVICE_ADDRESS,
1313 (u16)reg->reg, 2, reg->val, 4);
1314 break;
1315 case 5: /* Video Block - write dword */
1316 ret = cx231xx_write_i2c_data(dev, VID_BLK_I2C_ADDRESS,
1317 (u16)reg->reg, 2, reg->val, 4);
1318 break;
1319 case 6: /* I2S block - write dword */
1320 ret = cx231xx_write_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
1321 (u16)reg->reg, 1, reg->val, 4);
1322 break;
1323 default:
1324 return -EINVAL;
1325 }
1326 return ret < 0 ? ret : 0;
1327 }
1328 #endif
1329
1330 static int vidioc_g_pixelaspect(struct file *file, void *priv,
1331 int type, struct v4l2_fract *f)
1332 {
1333 struct cx231xx *dev = video_drvdata(file);
1334 bool is_50hz = dev->norm & V4L2_STD_625_50;
1335
1336 if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1337 return -EINVAL;
1338
1339 f->numerator = is_50hz ? 54 : 11;
1340 f->denominator = is_50hz ? 59 : 10;
1341
1342 return 0;
1343 }
1344
1345 static int vidioc_g_selection(struct file *file, void *priv,
1346 struct v4l2_selection *s)
1347 {
1348 struct cx231xx *dev = video_drvdata(file);
1349
1350 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1351 return -EINVAL;
1352
1353 switch (s->target) {
1354 case V4L2_SEL_TGT_CROP_BOUNDS:
1355 case V4L2_SEL_TGT_CROP_DEFAULT:
1356 s->r.left = 0;
1357 s->r.top = 0;
1358 s->r.width = dev->width;
1359 s->r.height = dev->height;
1360 break;
1361 default:
1362 return -EINVAL;
1363 }
1364 return 0;
1365 }
1366
1367 int cx231xx_querycap(struct file *file, void *priv,
1368 struct v4l2_capability *cap)
1369 {
1370 struct cx231xx *dev = video_drvdata(file);
1371
1372 strscpy(cap->driver, "cx231xx", sizeof(cap->driver));
1373 strscpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card));
1374 usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
1375 cap->capabilities = V4L2_CAP_READWRITE |
1376 V4L2_CAP_VBI_CAPTURE | V4L2_CAP_VIDEO_CAPTURE |
1377 V4L2_CAP_STREAMING | V4L2_CAP_DEVICE_CAPS;
1378 if (video_is_registered(&dev->radio_dev))
1379 cap->capabilities |= V4L2_CAP_RADIO;
1380
1381 switch (dev->model) {
1382 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx:
1383 case CX231XX_BOARD_HAUPPAUGE_935C:
1384 case CX231XX_BOARD_HAUPPAUGE_955Q:
1385 case CX231XX_BOARD_HAUPPAUGE_975:
1386 case CX231XX_BOARD_EVROMEDIA_FULL_HYBRID_FULLHD:
1387 cap->capabilities |= V4L2_CAP_TUNER;
1388 break;
1389 default:
1390 if (dev->tuner_type != TUNER_ABSENT)
1391 cap->capabilities |= V4L2_CAP_TUNER;
1392 break;
1393 }
1394 return 0;
1395 }
1396
1397 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
1398 struct v4l2_fmtdesc *f)
1399 {
1400 if (unlikely(f->index >= ARRAY_SIZE(format)))
1401 return -EINVAL;
1402
1403 f->pixelformat = format[f->index].fourcc;
1404
1405 return 0;
1406 }
1407
1408 /* RAW VBI ioctls */
1409
1410 static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv,
1411 struct v4l2_format *f)
1412 {
1413 struct cx231xx *dev = video_drvdata(file);
1414
1415 f->fmt.vbi.sampling_rate = 6750000 * 4;
1416 f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
1417 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1418 f->fmt.vbi.offset = 0;
1419 f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ?
1420 PAL_VBI_START_LINE : NTSC_VBI_START_LINE;
1421 f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ?
1422 PAL_VBI_LINES : NTSC_VBI_LINES;
1423 f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ?
1424 PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263;
1425 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1426 memset(f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved));
1427
1428 return 0;
1429
1430 }
1431
1432 static int vidioc_try_fmt_vbi_cap(struct file *file, void *priv,
1433 struct v4l2_format *f)
1434 {
1435 struct cx231xx *dev = video_drvdata(file);
1436
1437 f->fmt.vbi.sampling_rate = 6750000 * 4;
1438 f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
1439 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1440 f->fmt.vbi.offset = 0;
1441 f->fmt.vbi.flags = 0;
1442 f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ?
1443 PAL_VBI_START_LINE : NTSC_VBI_START_LINE;
1444 f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ?
1445 PAL_VBI_LINES : NTSC_VBI_LINES;
1446 f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ?
1447 PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263;
1448 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1449 memset(f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved));
1450
1451 return 0;
1452
1453 }
1454
1455 static int vidioc_s_fmt_vbi_cap(struct file *file, void *priv,
1456 struct v4l2_format *f)
1457 {
1458 return vidioc_try_fmt_vbi_cap(file, priv, f);
1459 }
1460
1461 /* ----------------------------------------------------------- */
1462 /* RADIO ESPECIFIC IOCTLS */
1463 /* ----------------------------------------------------------- */
1464
1465 static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
1466 {
1467 struct cx231xx *dev = video_drvdata(file);
1468
1469 if (t->index)
1470 return -EINVAL;
1471
1472 strscpy(t->name, "Radio", sizeof(t->name));
1473
1474 call_all(dev, tuner, g_tuner, t);
1475
1476 return 0;
1477 }
1478 static int radio_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *t)
1479 {
1480 struct cx231xx *dev = video_drvdata(file);
1481
1482 if (t->index)
1483 return -EINVAL;
1484
1485 call_all(dev, tuner, s_tuner, t);
1486
1487 return 0;
1488 }
1489
1490 /*
1491 * cx231xx_v4l2_open()
1492 * inits the device and starts isoc transfer
1493 */
1494 static int cx231xx_v4l2_open(struct file *filp)
1495 {
1496 struct video_device *vdev = video_devdata(filp);
1497 struct cx231xx *dev = video_drvdata(filp);
1498 int ret;
1499
1500 if (mutex_lock_interruptible(&dev->lock))
1501 return -ERESTARTSYS;
1502
1503 ret = v4l2_fh_open(filp);
1504 if (ret) {
1505 mutex_unlock(&dev->lock);
1506 return ret;
1507 }
1508
1509 if (dev->users++ == 0) {
1510 /* Power up in Analog TV mode */
1511 if (dev->board.external_av)
1512 cx231xx_set_power_mode(dev,
1513 POLARIS_AVMODE_ENXTERNAL_AV);
1514 else
1515 cx231xx_set_power_mode(dev, POLARIS_AVMODE_ANALOGT_TV);
1516
1517 /* set video alternate setting */
1518 cx231xx_set_video_alternate(dev);
1519
1520 /* Needed, since GPIO might have disabled power of
1521 some i2c device */
1522 cx231xx_config_i2c(dev);
1523
1524 /* device needs to be initialized before isoc transfer */
1525 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
1526 }
1527
1528 if (vdev->vfl_type == VFL_TYPE_RADIO) {
1529 cx231xx_videodbg("video_open: setting radio device\n");
1530
1531 /* cx231xx_start_radio(dev); */
1532
1533 call_all(dev, tuner, s_radio);
1534 }
1535 if (vdev->vfl_type == VFL_TYPE_VBI) {
1536 /* Set the required alternate setting VBI interface works in
1537 Bulk mode only */
1538 cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
1539 }
1540 mutex_unlock(&dev->lock);
1541 return 0;
1542 }
1543
1544 /*
1545 * cx231xx_realease_resources()
1546 * unregisters the v4l2,i2c and usb devices
1547 * called when the device gets disconnected or at module unload
1548 */
1549 void cx231xx_release_analog_resources(struct cx231xx *dev)
1550 {
1551
1552 /*FIXME: I2C IR should be disconnected */
1553
1554 if (video_is_registered(&dev->radio_dev))
1555 video_unregister_device(&dev->radio_dev);
1556 if (video_is_registered(&dev->vbi_dev)) {
1557 dev_info(dev->dev, "V4L2 device %s deregistered\n",
1558 video_device_node_name(&dev->vbi_dev));
1559 video_unregister_device(&dev->vbi_dev);
1560 }
1561 if (video_is_registered(&dev->vdev)) {
1562 dev_info(dev->dev, "V4L2 device %s deregistered\n",
1563 video_device_node_name(&dev->vdev));
1564
1565 if (dev->board.has_417)
1566 cx231xx_417_unregister(dev);
1567
1568 video_unregister_device(&dev->vdev);
1569 }
1570 v4l2_ctrl_handler_free(&dev->ctrl_handler);
1571 v4l2_ctrl_handler_free(&dev->radio_ctrl_handler);
1572 }
1573
1574 /*
1575 * cx231xx_close()
1576 * stops streaming and deallocates all resources allocated by the v4l2
1577 * calls and ioctls
1578 */
1579 static int cx231xx_close(struct file *filp)
1580 {
1581 struct cx231xx *dev = video_drvdata(filp);
1582 struct video_device *vdev = video_devdata(filp);
1583
1584 _vb2_fop_release(filp, NULL);
1585
1586 if (--dev->users == 0) {
1587 /* Save some power by putting tuner to sleep */
1588 call_all(dev, tuner, standby);
1589
1590 /* do this before setting alternate! */
1591 if (dev->USE_ISO)
1592 cx231xx_uninit_isoc(dev);
1593 else
1594 cx231xx_uninit_bulk(dev);
1595 cx231xx_set_mode(dev, CX231XX_SUSPEND);
1596 }
1597
1598 /*
1599 * To workaround error number=-71 on EP0 for VideoGrabber,
1600 * need exclude following.
1601 * FIXME: It is probably safe to remove most of these, as we're
1602 * now avoiding the alternate setting for INDEX_VANC
1603 */
1604 if (!dev->board.no_alt_vanc && vdev->vfl_type == VFL_TYPE_VBI) {
1605 /* do this before setting alternate! */
1606 cx231xx_uninit_vbi_isoc(dev);
1607
1608 /* set alternate 0 */
1609 if (!dev->vbi_or_sliced_cc_mode)
1610 cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
1611 else
1612 cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
1613
1614 wake_up_interruptible_nr(&dev->open, 1);
1615 return 0;
1616 }
1617
1618 if (dev->users == 0) {
1619 /* set alternate 0 */
1620 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
1621 }
1622
1623 wake_up_interruptible(&dev->open);
1624 return 0;
1625 }
1626
1627 static int cx231xx_v4l2_close(struct file *filp)
1628 {
1629 struct cx231xx *dev = video_drvdata(filp);
1630 int rc;
1631
1632 mutex_lock(&dev->lock);
1633 rc = cx231xx_close(filp);
1634 mutex_unlock(&dev->lock);
1635 return rc;
1636 }
1637
1638 static const struct v4l2_file_operations cx231xx_v4l_fops = {
1639 .owner = THIS_MODULE,
1640 .open = cx231xx_v4l2_open,
1641 .release = cx231xx_v4l2_close,
1642 .read = vb2_fop_read,
1643 .poll = vb2_fop_poll,
1644 .mmap = vb2_fop_mmap,
1645 .unlocked_ioctl = video_ioctl2,
1646 };
1647
1648 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1649 .vidioc_querycap = cx231xx_querycap,
1650 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1651 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1652 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1653 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1654 .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap,
1655 .vidioc_try_fmt_vbi_cap = vidioc_try_fmt_vbi_cap,
1656 .vidioc_s_fmt_vbi_cap = vidioc_s_fmt_vbi_cap,
1657 .vidioc_g_pixelaspect = vidioc_g_pixelaspect,
1658 .vidioc_g_selection = vidioc_g_selection,
1659 .vidioc_reqbufs = vb2_ioctl_reqbufs,
1660 .vidioc_querybuf = vb2_ioctl_querybuf,
1661 .vidioc_qbuf = vb2_ioctl_qbuf,
1662 .vidioc_dqbuf = vb2_ioctl_dqbuf,
1663 .vidioc_s_std = vidioc_s_std,
1664 .vidioc_g_std = vidioc_g_std,
1665 .vidioc_enum_input = cx231xx_enum_input,
1666 .vidioc_g_input = cx231xx_g_input,
1667 .vidioc_s_input = cx231xx_s_input,
1668 .vidioc_streamon = vb2_ioctl_streamon,
1669 .vidioc_streamoff = vb2_ioctl_streamoff,
1670 .vidioc_g_tuner = cx231xx_g_tuner,
1671 .vidioc_s_tuner = cx231xx_s_tuner,
1672 .vidioc_g_frequency = cx231xx_g_frequency,
1673 .vidioc_s_frequency = cx231xx_s_frequency,
1674 #ifdef CONFIG_VIDEO_ADV_DEBUG
1675 .vidioc_g_chip_info = cx231xx_g_chip_info,
1676 .vidioc_g_register = cx231xx_g_register,
1677 .vidioc_s_register = cx231xx_s_register,
1678 #endif
1679 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1680 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1681 };
1682
1683 static struct video_device cx231xx_vbi_template;
1684
1685 static const struct video_device cx231xx_video_template = {
1686 .fops = &cx231xx_v4l_fops,
1687 .release = video_device_release_empty,
1688 .ioctl_ops = &video_ioctl_ops,
1689 .tvnorms = V4L2_STD_ALL,
1690 };
1691
1692 static const struct v4l2_file_operations radio_fops = {
1693 .owner = THIS_MODULE,
1694 .open = cx231xx_v4l2_open,
1695 .release = cx231xx_v4l2_close,
1696 .poll = v4l2_ctrl_poll,
1697 .unlocked_ioctl = video_ioctl2,
1698 };
1699
1700 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1701 .vidioc_querycap = cx231xx_querycap,
1702 .vidioc_g_tuner = radio_g_tuner,
1703 .vidioc_s_tuner = radio_s_tuner,
1704 .vidioc_g_frequency = cx231xx_g_frequency,
1705 .vidioc_s_frequency = cx231xx_s_frequency,
1706 #ifdef CONFIG_VIDEO_ADV_DEBUG
1707 .vidioc_g_chip_info = cx231xx_g_chip_info,
1708 .vidioc_g_register = cx231xx_g_register,
1709 .vidioc_s_register = cx231xx_s_register,
1710 #endif
1711 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1712 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1713 };
1714
1715 static struct video_device cx231xx_radio_template = {
1716 .name = "cx231xx-radio",
1717 .fops = &radio_fops,
1718 .ioctl_ops = &radio_ioctl_ops,
1719 };
1720
1721 /******************************** usb interface ******************************/
1722
1723 static void cx231xx_vdev_init(struct cx231xx *dev,
1724 struct video_device *vfd,
1725 const struct video_device *template,
1726 const char *type_name)
1727 {
1728 *vfd = *template;
1729 vfd->v4l2_dev = &dev->v4l2_dev;
1730 vfd->release = video_device_release_empty;
1731 vfd->lock = &dev->lock;
1732
1733 snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name);
1734
1735 video_set_drvdata(vfd, dev);
1736 if (dev->tuner_type == TUNER_ABSENT) {
1737 switch (dev->model) {
1738 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx:
1739 case CX231XX_BOARD_HAUPPAUGE_935C:
1740 case CX231XX_BOARD_HAUPPAUGE_955Q:
1741 case CX231XX_BOARD_HAUPPAUGE_975:
1742 case CX231XX_BOARD_EVROMEDIA_FULL_HYBRID_FULLHD:
1743 break;
1744 default:
1745 v4l2_disable_ioctl(vfd, VIDIOC_G_FREQUENCY);
1746 v4l2_disable_ioctl(vfd, VIDIOC_S_FREQUENCY);
1747 v4l2_disable_ioctl(vfd, VIDIOC_G_TUNER);
1748 v4l2_disable_ioctl(vfd, VIDIOC_S_TUNER);
1749 break;
1750 }
1751 }
1752 }
1753
1754 int cx231xx_register_analog_devices(struct cx231xx *dev)
1755 {
1756 struct vb2_queue *q;
1757 int ret;
1758
1759 dev_info(dev->dev, "v4l2 driver version %s\n", CX231XX_VERSION);
1760
1761 /* set default norm */
1762 dev->norm = V4L2_STD_PAL;
1763 dev->width = norm_maxw(dev);
1764 dev->height = norm_maxh(dev);
1765 dev->interlaced = 0;
1766
1767 /* Analog specific initialization */
1768 dev->format = &format[0];
1769
1770 /* Set the initial input */
1771 video_mux(dev, dev->video_input);
1772
1773 call_all(dev, video, s_std, dev->norm);
1774
1775 v4l2_ctrl_handler_init(&dev->ctrl_handler, 10);
1776 v4l2_ctrl_handler_init(&dev->radio_ctrl_handler, 5);
1777
1778 if (dev->sd_cx25840) {
1779 v4l2_ctrl_add_handler(&dev->ctrl_handler,
1780 dev->sd_cx25840->ctrl_handler, NULL, true);
1781 v4l2_ctrl_add_handler(&dev->radio_ctrl_handler,
1782 dev->sd_cx25840->ctrl_handler,
1783 v4l2_ctrl_radio_filter, true);
1784 }
1785
1786 if (dev->ctrl_handler.error)
1787 return dev->ctrl_handler.error;
1788 if (dev->radio_ctrl_handler.error)
1789 return dev->radio_ctrl_handler.error;
1790
1791 /* enable vbi capturing */
1792 /* write code here... */
1793
1794 /* allocate and fill video video_device struct */
1795 cx231xx_vdev_init(dev, &dev->vdev, &cx231xx_video_template, "video");
1796 #if defined(CONFIG_MEDIA_CONTROLLER)
1797 dev->video_pad.flags = MEDIA_PAD_FL_SINK;
1798 ret = media_entity_pads_init(&dev->vdev.entity, 1, &dev->video_pad);
1799 if (ret < 0)
1800 dev_err(dev->dev, "failed to initialize video media entity!\n");
1801 #endif
1802 dev->vdev.ctrl_handler = &dev->ctrl_handler;
1803
1804 q = &dev->vidq;
1805 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1806 q->io_modes = VB2_USERPTR | VB2_MMAP | VB2_DMABUF | VB2_READ;
1807 q->drv_priv = dev;
1808 q->buf_struct_size = sizeof(struct cx231xx_buffer);
1809 q->ops = &cx231xx_video_qops;
1810 q->mem_ops = &vb2_vmalloc_memops;
1811 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1812 q->min_queued_buffers = 1;
1813 q->lock = &dev->lock;
1814 ret = vb2_queue_init(q);
1815 if (ret)
1816 return ret;
1817 dev->vdev.queue = q;
1818 dev->vdev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1819 V4L2_CAP_VIDEO_CAPTURE;
1820
1821 switch (dev->model) { /* i2c device tuners */
1822 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx:
1823 case CX231XX_BOARD_HAUPPAUGE_935C:
1824 case CX231XX_BOARD_HAUPPAUGE_955Q:
1825 case CX231XX_BOARD_HAUPPAUGE_975:
1826 case CX231XX_BOARD_EVROMEDIA_FULL_HYBRID_FULLHD:
1827 dev->vdev.device_caps |= V4L2_CAP_TUNER;
1828 break;
1829 default:
1830 if (dev->tuner_type != TUNER_ABSENT)
1831 dev->vdev.device_caps |= V4L2_CAP_TUNER;
1832 break;
1833 }
1834
1835 /* register v4l2 video video_device */
1836 ret = video_register_device(&dev->vdev, VFL_TYPE_VIDEO,
1837 video_nr[dev->devno]);
1838 if (ret) {
1839 dev_err(dev->dev,
1840 "unable to register video device (error=%i).\n",
1841 ret);
1842 return ret;
1843 }
1844
1845 dev_info(dev->dev, "Registered video device %s [v4l2]\n",
1846 video_device_node_name(&dev->vdev));
1847
1848 /* Initialize VBI template */
1849 cx231xx_vbi_template = cx231xx_video_template;
1850 strscpy(cx231xx_vbi_template.name, "cx231xx-vbi",
1851 sizeof(cx231xx_vbi_template.name));
1852
1853 /* Allocate and fill vbi video_device struct */
1854 cx231xx_vdev_init(dev, &dev->vbi_dev, &cx231xx_vbi_template, "vbi");
1855
1856 #if defined(CONFIG_MEDIA_CONTROLLER)
1857 dev->vbi_pad.flags = MEDIA_PAD_FL_SINK;
1858 ret = media_entity_pads_init(&dev->vbi_dev.entity, 1, &dev->vbi_pad);
1859 if (ret < 0)
1860 dev_err(dev->dev, "failed to initialize vbi media entity!\n");
1861 #endif
1862 dev->vbi_dev.ctrl_handler = &dev->ctrl_handler;
1863
1864 q = &dev->vbiq;
1865 q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1866 q->io_modes = VB2_USERPTR | VB2_MMAP | VB2_DMABUF | VB2_READ;
1867 q->drv_priv = dev;
1868 q->buf_struct_size = sizeof(struct cx231xx_buffer);
1869 q->ops = &cx231xx_vbi_qops;
1870 q->mem_ops = &vb2_vmalloc_memops;
1871 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1872 q->min_queued_buffers = 1;
1873 q->lock = &dev->lock;
1874 ret = vb2_queue_init(q);
1875 if (ret)
1876 return ret;
1877 dev->vbi_dev.queue = q;
1878 dev->vbi_dev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1879 V4L2_CAP_VBI_CAPTURE;
1880 switch (dev->model) { /* i2c device tuners */
1881 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx:
1882 case CX231XX_BOARD_HAUPPAUGE_935C:
1883 case CX231XX_BOARD_HAUPPAUGE_955Q:
1884 case CX231XX_BOARD_HAUPPAUGE_975:
1885 case CX231XX_BOARD_EVROMEDIA_FULL_HYBRID_FULLHD:
1886 dev->vbi_dev.device_caps |= V4L2_CAP_TUNER;
1887 break;
1888 default:
1889 if (dev->tuner_type != TUNER_ABSENT)
1890 dev->vbi_dev.device_caps |= V4L2_CAP_TUNER;
1891 }
1892
1893 /* register v4l2 vbi video_device */
1894 ret = video_register_device(&dev->vbi_dev, VFL_TYPE_VBI,
1895 vbi_nr[dev->devno]);
1896 if (ret < 0) {
1897 dev_err(dev->dev, "unable to register vbi device\n");
1898 return ret;
1899 }
1900
1901 dev_info(dev->dev, "Registered VBI device %s\n",
1902 video_device_node_name(&dev->vbi_dev));
1903
1904 if (cx231xx_boards[dev->model].radio.type == CX231XX_RADIO) {
1905 cx231xx_vdev_init(dev, &dev->radio_dev,
1906 &cx231xx_radio_template, "radio");
1907 dev->radio_dev.ctrl_handler = &dev->radio_ctrl_handler;
1908 dev->radio_dev.device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
1909 ret = video_register_device(&dev->radio_dev, VFL_TYPE_RADIO,
1910 radio_nr[dev->devno]);
1911 if (ret < 0) {
1912 dev_err(dev->dev,
1913 "can't register radio device\n");
1914 return ret;
1915 }
1916 dev_info(dev->dev, "Registered radio device as %s\n",
1917 video_device_node_name(&dev->radio_dev));
1918 }
1919
1920 return 0;
1921 }
Kernel DRM miscellaneous fixes and cross-tree changes