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8
9#include <linux/module.h>
10#include <linux/delay.h>
11#include <linux/errno.h>
12#include <linux/fs.h>
13#include <linux/kernel.h>
14#include <linux/slab.h>
15#include <linux/mm.h>
16#include <linux/ioport.h>
17#include <linux/init.h>
18#include <linux/sched.h>
19#include <linux/random.h>
20#include <linux/usb.h>
21#include <linux/videodev2.h>
22#include <media/v4l2-ioctl.h>
23#include <media/v4l2-event.h>
24#include <media/tuner.h>
25#include <linux/interrupt.h>
26#include <linux/kthread.h>
27#include <linux/highmem.h>
28#include <linux/freezer.h>
29
30#include "tm6000-regs.h"
31#include "tm6000.h"
32
33#define BUFFER_TIMEOUT msecs_to_jiffies(2000)
34
35
36#define TM6000_MIN_BUF 4
37#define TM6000_DEF_BUF 8
38
39#define TM6000_NUM_URB_BUF 8
40
41#define TM6000_MAX_ISO_PACKETS 46
42
43
44static unsigned int vid_limit = 16;
45static int video_nr = -1;
46static int radio_nr = -1;
47static bool keep_urb;
48
49
50int tm6000_debug;
51EXPORT_SYMBOL_GPL(tm6000_debug);
52
53static struct tm6000_fmt format[] = {
54 {
55 .name = "4:2:2, packed, YVY2",
56 .fourcc = V4L2_PIX_FMT_YUYV,
57 .depth = 16,
58 }, {
59 .name = "4:2:2, packed, UYVY",
60 .fourcc = V4L2_PIX_FMT_UYVY,
61 .depth = 16,
62 }, {
63 .name = "A/V + VBI mux packet",
64 .fourcc = V4L2_PIX_FMT_TM6000,
65 .depth = 16,
66 }
67};
68
69
70
71
72
73
74#define norm_maxw(a) 720
75#define norm_maxh(a) 576
76
77#define norm_minw(a) norm_maxw(a)
78#define norm_minh(a) norm_maxh(a)
79
80
81
82
83static inline void get_next_buf(struct tm6000_dmaqueue *dma_q,
84 struct tm6000_buffer **buf)
85{
86 struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
87
88 if (list_empty(&dma_q->active)) {
89 dprintk(dev, V4L2_DEBUG_QUEUE, "No active queue to serve\n");
90 *buf = NULL;
91 return;
92 }
93
94 *buf = list_entry(dma_q->active.next,
95 struct tm6000_buffer, vb.queue);
96}
97
98
99
100
101static inline void buffer_filled(struct tm6000_core *dev,
102 struct tm6000_dmaqueue *dma_q,
103 struct tm6000_buffer *buf)
104{
105
106 dprintk(dev, V4L2_DEBUG_ISOC, "[%p/%d] wakeup\n", buf, buf->vb.i);
107 buf->vb.state = VIDEOBUF_DONE;
108 buf->vb.field_count++;
109 v4l2_get_timestamp(&buf->vb.ts);
110
111 list_del(&buf->vb.queue);
112 wake_up(&buf->vb.done);
113}
114
115
116
117
118static int copy_streams(u8 *data, unsigned long len,
119 struct urb *urb)
120{
121 struct tm6000_dmaqueue *dma_q = urb->context;
122 struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
123 u8 *ptr = data, *endp = data+len;
124 unsigned long header = 0;
125 int rc = 0;
126 unsigned int cmd, cpysize, pktsize, size, field, block, line, pos = 0;
127 struct tm6000_buffer *vbuf = NULL;
128 char *voutp = NULL;
129 unsigned int linewidth;
130
131 if (!dev->radio) {
132
133 get_next_buf(dma_q, &vbuf);
134
135 if (!vbuf)
136 return rc;
137 voutp = videobuf_to_vmalloc(&vbuf->vb);
138
139 if (!voutp)
140 return 0;
141 }
142
143 for (ptr = data; ptr < endp;) {
144 if (!dev->isoc_ctl.cmd) {
145
146 if (dev->isoc_ctl.tmp_buf_len > 0) {
147
148 header = dev->isoc_ctl.tmp_buf;
149 if (4 - dev->isoc_ctl.tmp_buf_len > 0) {
150 memcpy((u8 *)&header +
151 dev->isoc_ctl.tmp_buf_len,
152 ptr,
153 4 - dev->isoc_ctl.tmp_buf_len);
154 ptr += 4 - dev->isoc_ctl.tmp_buf_len;
155 }
156 dev->isoc_ctl.tmp_buf_len = 0;
157 } else {
158 if (ptr + 3 >= endp) {
159
160 dev->isoc_ctl.tmp_buf_len = endp - ptr;
161 memcpy(&dev->isoc_ctl.tmp_buf, ptr,
162 dev->isoc_ctl.tmp_buf_len);
163 return rc;
164 }
165
166 for (; ptr < endp - 3; ptr++) {
167 if (*(ptr + 3) == 0x47)
168 break;
169 }
170
171 header = *(unsigned long *)ptr;
172 ptr += 4;
173 }
174
175
176 size = ((header & 0x7e) << 1);
177 if (size > 0)
178 size -= 4;
179 block = (header >> 7) & 0xf;
180 field = (header >> 11) & 0x1;
181 line = (header >> 12) & 0x1ff;
182 cmd = (header >> 21) & 0x7;
183
184 if (size > TM6000_URB_MSG_LEN)
185 size = TM6000_URB_MSG_LEN;
186 pktsize = TM6000_URB_MSG_LEN;
187
188
189
190 switch (cmd) {
191 case TM6000_URB_MSG_VIDEO:
192 if (!dev->radio) {
193 if ((dev->isoc_ctl.vfield != field) &&
194 (field == 1)) {
195
196
197
198
199 buffer_filled(dev, dma_q, vbuf);
200 dprintk(dev, V4L2_DEBUG_ISOC,
201 "new buffer filled\n");
202 get_next_buf(dma_q, &vbuf);
203 if (!vbuf)
204 return rc;
205 voutp = videobuf_to_vmalloc(&vbuf->vb);
206 if (!voutp)
207 return rc;
208 memset(voutp, 0, vbuf->vb.size);
209 }
210 linewidth = vbuf->vb.width << 1;
211 pos = ((line << 1) - field - 1) *
212 linewidth + block * TM6000_URB_MSG_LEN;
213
214 if (pos + size > vbuf->vb.size)
215 cmd = TM6000_URB_MSG_ERR;
216 dev->isoc_ctl.vfield = field;
217 }
218 break;
219 case TM6000_URB_MSG_VBI:
220 break;
221 case TM6000_URB_MSG_AUDIO:
222 case TM6000_URB_MSG_PTS:
223 size = pktsize;
224 break;
225 }
226 } else {
227
228 cmd = dev->isoc_ctl.cmd;
229 size = dev->isoc_ctl.size;
230 pos = dev->isoc_ctl.pos;
231 pktsize = dev->isoc_ctl.pktsize;
232 field = dev->isoc_ctl.field;
233 }
234 cpysize = (endp - ptr > size) ? size : endp - ptr;
235 if (cpysize) {
236
237 switch (cmd) {
238 case TM6000_URB_MSG_VIDEO:
239
240 if (vbuf)
241 memcpy(&voutp[pos], ptr, cpysize);
242 break;
243 case TM6000_URB_MSG_AUDIO: {
244 int i;
245 for (i = 0; i < cpysize; i += 2)
246 swab16s((u16 *)(ptr + i));
247
248 tm6000_call_fillbuf(dev, TM6000_AUDIO, ptr, cpysize);
249 break;
250 }
251 case TM6000_URB_MSG_VBI:
252
253 break;
254 case TM6000_URB_MSG_PTS: {
255
256 u32 pts;
257 pts = *(u32 *)ptr;
258 dprintk(dev, V4L2_DEBUG_ISOC, "field %d, PTS %x",
259 field, pts);
260 break;
261 }
262 }
263 }
264 if (ptr + pktsize > endp) {
265
266
267
268
269 dev->isoc_ctl.pos = pos + cpysize;
270 dev->isoc_ctl.size = size - cpysize;
271 dev->isoc_ctl.cmd = cmd;
272 dev->isoc_ctl.field = field;
273 dev->isoc_ctl.pktsize = pktsize - (endp - ptr);
274 ptr += endp - ptr;
275 } else {
276 dev->isoc_ctl.cmd = 0;
277 ptr += pktsize;
278 }
279 }
280 return 0;
281}
282
283
284
285
286static int copy_multiplexed(u8 *ptr, unsigned long len,
287 struct urb *urb)
288{
289 struct tm6000_dmaqueue *dma_q = urb->context;
290 struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
291 unsigned int pos = dev->isoc_ctl.pos, cpysize;
292 int rc = 1;
293 struct tm6000_buffer *buf;
294 char *outp = NULL;
295
296 get_next_buf(dma_q, &buf);
297 if (buf)
298 outp = videobuf_to_vmalloc(&buf->vb);
299
300 if (!outp)
301 return 0;
302
303 while (len > 0) {
304 cpysize = min(len, buf->vb.size-pos);
305 memcpy(&outp[pos], ptr, cpysize);
306 pos += cpysize;
307 ptr += cpysize;
308 len -= cpysize;
309 if (pos >= buf->vb.size) {
310 pos = 0;
311
312 buffer_filled(dev, dma_q, buf);
313 dprintk(dev, V4L2_DEBUG_ISOC, "new buffer filled\n");
314 get_next_buf(dma_q, &buf);
315 if (!buf)
316 break;
317 outp = videobuf_to_vmalloc(&(buf->vb));
318 if (!outp)
319 return rc;
320 pos = 0;
321 }
322 }
323
324 dev->isoc_ctl.pos = pos;
325 return rc;
326}
327
328static inline void print_err_status(struct tm6000_core *dev,
329 int packet, int status)
330{
331 char *errmsg = "Unknown";
332
333 switch (status) {
334 case -ENOENT:
335 errmsg = "unlinked synchronously";
336 break;
337 case -ECONNRESET:
338 errmsg = "unlinked asynchronously";
339 break;
340 case -ENOSR:
341 errmsg = "Buffer error (overrun)";
342 break;
343 case -EPIPE:
344 errmsg = "Stalled (device not responding)";
345 break;
346 case -EOVERFLOW:
347 errmsg = "Babble (bad cable?)";
348 break;
349 case -EPROTO:
350 errmsg = "Bit-stuff error (bad cable?)";
351 break;
352 case -EILSEQ:
353 errmsg = "CRC/Timeout (could be anything)";
354 break;
355 case -ETIME:
356 errmsg = "Device does not respond";
357 break;
358 }
359 if (packet < 0) {
360 dprintk(dev, V4L2_DEBUG_QUEUE, "URB status %d [%s].\n",
361 status, errmsg);
362 } else {
363 dprintk(dev, V4L2_DEBUG_QUEUE, "URB packet %d, status %d [%s].\n",
364 packet, status, errmsg);
365 }
366}
367
368
369
370
371
372static inline int tm6000_isoc_copy(struct urb *urb)
373{
374 struct tm6000_dmaqueue *dma_q = urb->context;
375 struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
376 int i, len = 0, rc = 1, status;
377 char *p;
378
379 if (urb->status < 0) {
380 print_err_status(dev, -1, urb->status);
381 return 0;
382 }
383
384 for (i = 0; i < urb->number_of_packets; i++) {
385 status = urb->iso_frame_desc[i].status;
386
387 if (status < 0) {
388 print_err_status(dev, i, status);
389 continue;
390 }
391
392 len = urb->iso_frame_desc[i].actual_length;
393
394 if (len > 0) {
395 p = urb->transfer_buffer + urb->iso_frame_desc[i].offset;
396 if (!urb->iso_frame_desc[i].status) {
397 if ((dev->fourcc) == V4L2_PIX_FMT_TM6000) {
398 rc = copy_multiplexed(p, len, urb);
399 if (rc <= 0)
400 return rc;
401 } else {
402 copy_streams(p, len, urb);
403 }
404 }
405 }
406 }
407 return rc;
408}
409
410
411
412
413
414
415
416
417
418static void tm6000_irq_callback(struct urb *urb)
419{
420 struct tm6000_dmaqueue *dma_q = urb->context;
421 struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
422 int i;
423
424 switch (urb->status) {
425 case 0:
426 case -ETIMEDOUT:
427 break;
428
429 case -ECONNRESET:
430 case -ENOENT:
431 case -ESHUTDOWN:
432 return;
433
434 default:
435 tm6000_err("urb completion error %d.\n", urb->status);
436 break;
437 }
438
439 spin_lock(&dev->slock);
440 tm6000_isoc_copy(urb);
441 spin_unlock(&dev->slock);
442
443
444 for (i = 0; i < urb->number_of_packets; i++) {
445 urb->iso_frame_desc[i].status = 0;
446 urb->iso_frame_desc[i].actual_length = 0;
447 }
448
449 urb->status = usb_submit_urb(urb, GFP_ATOMIC);
450 if (urb->status)
451 tm6000_err("urb resubmit failed (error=%i)\n",
452 urb->status);
453}
454
455
456
457
458static int tm6000_alloc_urb_buffers(struct tm6000_core *dev)
459{
460 int num_bufs = TM6000_NUM_URB_BUF;
461 int i;
462
463 if (dev->urb_buffer)
464 return 0;
465
466 dev->urb_buffer = kmalloc_array(num_bufs, sizeof(void *), GFP_KERNEL);
467 if (!dev->urb_buffer)
468 return -ENOMEM;
469
470 dev->urb_dma = kmalloc_array(num_bufs, sizeof(dma_addr_t *),
471 GFP_KERNEL);
472 if (!dev->urb_dma)
473 return -ENOMEM;
474
475 for (i = 0; i < num_bufs; i++) {
476 dev->urb_buffer[i] = usb_alloc_coherent(
477 dev->udev, dev->urb_size,
478 GFP_KERNEL, &dev->urb_dma[i]);
479 if (!dev->urb_buffer[i]) {
480 tm6000_err("unable to allocate %i bytes for transfer buffer %i\n",
481 dev->urb_size, i);
482 return -ENOMEM;
483 }
484 memset(dev->urb_buffer[i], 0, dev->urb_size);
485 }
486
487 return 0;
488}
489
490
491
492
493static int tm6000_free_urb_buffers(struct tm6000_core *dev)
494{
495 int i;
496
497 if (!dev->urb_buffer)
498 return 0;
499
500 for (i = 0; i < TM6000_NUM_URB_BUF; i++) {
501 if (dev->urb_buffer[i]) {
502 usb_free_coherent(dev->udev,
503 dev->urb_size,
504 dev->urb_buffer[i],
505 dev->urb_dma[i]);
506 dev->urb_buffer[i] = NULL;
507 }
508 }
509 kfree(dev->urb_buffer);
510 kfree(dev->urb_dma);
511 dev->urb_buffer = NULL;
512 dev->urb_dma = NULL;
513
514 return 0;
515}
516
517
518
519
520static void tm6000_uninit_isoc(struct tm6000_core *dev)
521{
522 struct urb *urb;
523 int i;
524
525 dev->isoc_ctl.buf = NULL;
526 for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
527 urb = dev->isoc_ctl.urb[i];
528 if (urb) {
529 usb_kill_urb(urb);
530 usb_unlink_urb(urb);
531 usb_free_urb(urb);
532 dev->isoc_ctl.urb[i] = NULL;
533 }
534 dev->isoc_ctl.transfer_buffer[i] = NULL;
535 }
536
537 if (!keep_urb)
538 tm6000_free_urb_buffers(dev);
539
540 kfree(dev->isoc_ctl.urb);
541 kfree(dev->isoc_ctl.transfer_buffer);
542
543 dev->isoc_ctl.urb = NULL;
544 dev->isoc_ctl.transfer_buffer = NULL;
545 dev->isoc_ctl.num_bufs = 0;
546}
547
548
549
550
551static int tm6000_prepare_isoc(struct tm6000_core *dev)
552{
553 struct tm6000_dmaqueue *dma_q = &dev->vidq;
554 int i, j, sb_size, pipe, size, max_packets;
555 int num_bufs = TM6000_NUM_URB_BUF;
556 struct urb *urb;
557
558
559 tm6000_uninit_isoc(dev);
560
561 tm6000_ir_int_stop(dev);
562
563 usb_set_interface(dev->udev,
564 dev->isoc_in.bInterfaceNumber,
565 dev->isoc_in.bAlternateSetting);
566
567
568 tm6000_ir_int_start(dev);
569
570 pipe = usb_rcvisocpipe(dev->udev,
571 dev->isoc_in.endp->desc.bEndpointAddress &
572 USB_ENDPOINT_NUMBER_MASK);
573
574 size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe));
575
576 if (size > dev->isoc_in.maxsize)
577 size = dev->isoc_in.maxsize;
578
579 dev->isoc_ctl.max_pkt_size = size;
580
581 max_packets = TM6000_MAX_ISO_PACKETS;
582 sb_size = max_packets * size;
583 dev->urb_size = sb_size;
584
585 dev->isoc_ctl.num_bufs = num_bufs;
586
587 dev->isoc_ctl.urb = kmalloc_array(num_bufs, sizeof(void *),
588 GFP_KERNEL);
589 if (!dev->isoc_ctl.urb)
590 return -ENOMEM;
591
592 dev->isoc_ctl.transfer_buffer = kmalloc_array(num_bufs,
593 sizeof(void *),
594 GFP_KERNEL);
595 if (!dev->isoc_ctl.transfer_buffer) {
596 kfree(dev->isoc_ctl.urb);
597 return -ENOMEM;
598 }
599
600 dprintk(dev, V4L2_DEBUG_QUEUE, "Allocating %d x %d packets (%d bytes) of %d bytes each to handle %u size\n",
601 max_packets, num_bufs, sb_size,
602 dev->isoc_in.maxsize, size);
603
604
605 if (tm6000_alloc_urb_buffers(dev) < 0) {
606 tm6000_err("cannot allocate memory for urb buffers\n");
607
608
609 tm6000_free_urb_buffers(dev);
610 kfree(dev->isoc_ctl.urb);
611 kfree(dev->isoc_ctl.transfer_buffer);
612 return -ENOMEM;
613 }
614
615
616 for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
617 urb = usb_alloc_urb(max_packets, GFP_KERNEL);
618 if (!urb) {
619 tm6000_uninit_isoc(dev);
620 tm6000_free_urb_buffers(dev);
621 return -ENOMEM;
622 }
623 dev->isoc_ctl.urb[i] = urb;
624
625 urb->transfer_dma = dev->urb_dma[i];
626 dev->isoc_ctl.transfer_buffer[i] = dev->urb_buffer[i];
627
628 usb_fill_bulk_urb(urb, dev->udev, pipe,
629 dev->isoc_ctl.transfer_buffer[i], sb_size,
630 tm6000_irq_callback, dma_q);
631 urb->interval = dev->isoc_in.endp->desc.bInterval;
632 urb->number_of_packets = max_packets;
633 urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
634
635 for (j = 0; j < max_packets; j++) {
636 urb->iso_frame_desc[j].offset = size * j;
637 urb->iso_frame_desc[j].length = size;
638 }
639 }
640
641 return 0;
642}
643
644static int tm6000_start_thread(struct tm6000_core *dev)
645{
646 struct tm6000_dmaqueue *dma_q = &dev->vidq;
647 int i;
648
649 dma_q->frame = 0;
650 dma_q->ini_jiffies = jiffies;
651
652 init_waitqueue_head(&dma_q->wq);
653
654
655 for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
656 int rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC);
657 if (rc) {
658 tm6000_err("submit of urb %i failed (error=%i)\n", i,
659 rc);
660 tm6000_uninit_isoc(dev);
661 return rc;
662 }
663 }
664
665 return 0;
666}
667
668
669
670
671
672
673static int
674buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size)
675{
676 struct tm6000_fh *fh = vq->priv_data;
677
678 *size = fh->fmt->depth * fh->width * fh->height >> 3;
679 if (0 == *count)
680 *count = TM6000_DEF_BUF;
681
682 if (*count < TM6000_MIN_BUF)
683 *count = TM6000_MIN_BUF;
684
685 while (*size * *count > vid_limit * 1024 * 1024)
686 (*count)--;
687
688 return 0;
689}
690
691static void free_buffer(struct videobuf_queue *vq, struct tm6000_buffer *buf)
692{
693 struct tm6000_fh *fh = vq->priv_data;
694 struct tm6000_core *dev = fh->dev;
695 unsigned long flags;
696
697 BUG_ON(in_interrupt());
698
699
700
701
702
703
704
705
706
707
708 spin_lock_irqsave(&dev->slock, flags);
709 if (dev->isoc_ctl.buf == buf)
710 dev->isoc_ctl.buf = NULL;
711 spin_unlock_irqrestore(&dev->slock, flags);
712
713 videobuf_vmalloc_free(&buf->vb);
714 buf->vb.state = VIDEOBUF_NEEDS_INIT;
715}
716
717static int
718buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
719 enum v4l2_field field)
720{
721 struct tm6000_fh *fh = vq->priv_data;
722 struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb);
723 struct tm6000_core *dev = fh->dev;
724 int rc = 0;
725
726 BUG_ON(NULL == fh->fmt);
727
728
729
730
731 buf->vb.size = fh->fmt->depth*fh->width*fh->height >> 3;
732 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
733 return -EINVAL;
734
735 if (buf->fmt != fh->fmt ||
736 buf->vb.width != fh->width ||
737 buf->vb.height != fh->height ||
738 buf->vb.field != field) {
739 buf->fmt = fh->fmt;
740 buf->vb.width = fh->width;
741 buf->vb.height = fh->height;
742 buf->vb.field = field;
743 buf->vb.state = VIDEOBUF_NEEDS_INIT;
744 }
745
746 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
747 rc = videobuf_iolock(vq, &buf->vb, NULL);
748 if (rc != 0)
749 goto fail;
750 }
751
752 if (!dev->isoc_ctl.num_bufs) {
753 rc = tm6000_prepare_isoc(dev);
754 if (rc < 0)
755 goto fail;
756
757 rc = tm6000_start_thread(dev);
758 if (rc < 0)
759 goto fail;
760
761 }
762
763 buf->vb.state = VIDEOBUF_PREPARED;
764 return 0;
765
766fail:
767 free_buffer(vq, buf);
768 return rc;
769}
770
771static void
772buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
773{
774 struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb);
775 struct tm6000_fh *fh = vq->priv_data;
776 struct tm6000_core *dev = fh->dev;
777 struct tm6000_dmaqueue *vidq = &dev->vidq;
778
779 buf->vb.state = VIDEOBUF_QUEUED;
780 list_add_tail(&buf->vb.queue, &vidq->active);
781}
782
783static void buffer_release(struct videobuf_queue *vq, struct videobuf_buffer *vb)
784{
785 struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb);
786
787 free_buffer(vq, buf);
788}
789
790static const struct videobuf_queue_ops tm6000_video_qops = {
791 .buf_setup = buffer_setup,
792 .buf_prepare = buffer_prepare,
793 .buf_queue = buffer_queue,
794 .buf_release = buffer_release,
795};
796
797
798
799
800
801
802static bool is_res_read(struct tm6000_core *dev, struct tm6000_fh *fh)
803{
804
805 if (dev->resources == fh && dev->is_res_read)
806 return true;
807
808 return false;
809}
810
811static bool is_res_streaming(struct tm6000_core *dev, struct tm6000_fh *fh)
812{
813
814 if (dev->resources == fh)
815 return true;
816
817 return false;
818}
819
820static bool res_get(struct tm6000_core *dev, struct tm6000_fh *fh,
821 bool is_res_read)
822{
823
824 if (dev->resources == fh && dev->is_res_read == is_res_read)
825 return true;
826
827
828 if (dev->resources)
829 return false;
830
831
832 dev->resources = fh;
833 dev->is_res_read = is_res_read;
834 dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: get\n");
835 return true;
836}
837
838static void res_free(struct tm6000_core *dev, struct tm6000_fh *fh)
839{
840
841 if (dev->resources != fh)
842 return;
843
844 dev->resources = NULL;
845 dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: put\n");
846}
847
848
849
850
851
852static int vidioc_querycap(struct file *file, void *priv,
853 struct v4l2_capability *cap)
854{
855 struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev;
856 struct video_device *vdev = video_devdata(file);
857
858 strlcpy(cap->driver, "tm6000", sizeof(cap->driver));
859 strlcpy(cap->card, "Trident TVMaster TM5600/6000/6010", sizeof(cap->card));
860 usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
861 if (dev->tuner_type != TUNER_ABSENT)
862 cap->device_caps |= V4L2_CAP_TUNER;
863 if (vdev->vfl_type == VFL_TYPE_GRABBER)
864 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE |
865 V4L2_CAP_STREAMING |
866 V4L2_CAP_READWRITE;
867 else
868 cap->device_caps |= V4L2_CAP_RADIO;
869 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS |
870 V4L2_CAP_RADIO | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE;
871
872 return 0;
873}
874
875static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
876 struct v4l2_fmtdesc *f)
877{
878 if (f->index >= ARRAY_SIZE(format))
879 return -EINVAL;
880
881 strlcpy(f->description, format[f->index].name, sizeof(f->description));
882 f->pixelformat = format[f->index].fourcc;
883 return 0;
884}
885
886static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
887 struct v4l2_format *f)
888{
889 struct tm6000_fh *fh = priv;
890
891 f->fmt.pix.width = fh->width;
892 f->fmt.pix.height = fh->height;
893 f->fmt.pix.field = fh->vb_vidq.field;
894 f->fmt.pix.pixelformat = fh->fmt->fourcc;
895 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
896 f->fmt.pix.bytesperline =
897 (f->fmt.pix.width * fh->fmt->depth) >> 3;
898 f->fmt.pix.sizeimage =
899 f->fmt.pix.height * f->fmt.pix.bytesperline;
900
901 return 0;
902}
903
904static struct tm6000_fmt *format_by_fourcc(unsigned int fourcc)
905{
906 unsigned int i;
907
908 for (i = 0; i < ARRAY_SIZE(format); i++)
909 if (format[i].fourcc == fourcc)
910 return format+i;
911 return NULL;
912}
913
914static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
915 struct v4l2_format *f)
916{
917 struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev;
918 struct tm6000_fmt *fmt;
919 enum v4l2_field field;
920
921 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
922 if (NULL == fmt) {
923 dprintk(dev, 2, "Fourcc format (0x%08x) invalid.\n",
924 f->fmt.pix.pixelformat);
925 return -EINVAL;
926 }
927
928 field = f->fmt.pix.field;
929
930 field = V4L2_FIELD_INTERLACED;
931
932 tm6000_get_std_res(dev);
933
934 f->fmt.pix.width = dev->width;
935 f->fmt.pix.height = dev->height;
936
937 f->fmt.pix.width &= ~0x01;
938
939 f->fmt.pix.field = field;
940
941 f->fmt.pix.bytesperline =
942 (f->fmt.pix.width * fmt->depth) >> 3;
943 f->fmt.pix.sizeimage =
944 f->fmt.pix.height * f->fmt.pix.bytesperline;
945 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
946
947 return 0;
948}
949
950
951static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
952 struct v4l2_format *f)
953{
954 struct tm6000_fh *fh = priv;
955 struct tm6000_core *dev = fh->dev;
956 int ret = vidioc_try_fmt_vid_cap(file, fh, f);
957 if (ret < 0)
958 return ret;
959
960 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
961 fh->width = f->fmt.pix.width;
962 fh->height = f->fmt.pix.height;
963 fh->vb_vidq.field = f->fmt.pix.field;
964 fh->type = f->type;
965
966 dev->fourcc = f->fmt.pix.pixelformat;
967
968 tm6000_set_fourcc_format(dev);
969
970 return 0;
971}
972
973static int vidioc_reqbufs(struct file *file, void *priv,
974 struct v4l2_requestbuffers *p)
975{
976 struct tm6000_fh *fh = priv;
977
978 return videobuf_reqbufs(&fh->vb_vidq, p);
979}
980
981static int vidioc_querybuf(struct file *file, void *priv,
982 struct v4l2_buffer *p)
983{
984 struct tm6000_fh *fh = priv;
985
986 return videobuf_querybuf(&fh->vb_vidq, p);
987}
988
989static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)
990{
991 struct tm6000_fh *fh = priv;
992
993 return videobuf_qbuf(&fh->vb_vidq, p);
994}
995
996static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
997{
998 struct tm6000_fh *fh = priv;
999
1000 return videobuf_dqbuf(&fh->vb_vidq, p,
1001 file->f_flags & O_NONBLOCK);
1002}
1003
1004static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1005{
1006 struct tm6000_fh *fh = priv;
1007 struct tm6000_core *dev = fh->dev;
1008
1009 if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1010 return -EINVAL;
1011 if (i != fh->type)
1012 return -EINVAL;
1013
1014 if (!res_get(dev, fh, false))
1015 return -EBUSY;
1016 return videobuf_streamon(&fh->vb_vidq);
1017}
1018
1019static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1020{
1021 struct tm6000_fh *fh = priv;
1022 struct tm6000_core *dev = fh->dev;
1023
1024 if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1025 return -EINVAL;
1026
1027 if (i != fh->type)
1028 return -EINVAL;
1029
1030 videobuf_streamoff(&fh->vb_vidq);
1031 res_free(dev, fh);
1032
1033 return 0;
1034}
1035
1036static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm)
1037{
1038 int rc = 0;
1039 struct tm6000_fh *fh = priv;
1040 struct tm6000_core *dev = fh->dev;
1041
1042 dev->norm = norm;
1043 rc = tm6000_init_analog_mode(dev);
1044
1045 fh->width = dev->width;
1046 fh->height = dev->height;
1047
1048 if (rc < 0)
1049 return rc;
1050
1051 v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_std, dev->norm);
1052
1053 return 0;
1054}
1055
1056static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm)
1057{
1058 struct tm6000_fh *fh = priv;
1059 struct tm6000_core *dev = fh->dev;
1060
1061 *norm = dev->norm;
1062 return 0;
1063}
1064
1065static const char *iname[] = {
1066 [TM6000_INPUT_TV] = "Television",
1067 [TM6000_INPUT_COMPOSITE1] = "Composite 1",
1068 [TM6000_INPUT_COMPOSITE2] = "Composite 2",
1069 [TM6000_INPUT_SVIDEO] = "S-Video",
1070};
1071
1072static int vidioc_enum_input(struct file *file, void *priv,
1073 struct v4l2_input *i)
1074{
1075 struct tm6000_fh *fh = priv;
1076 struct tm6000_core *dev = fh->dev;
1077 unsigned int n;
1078
1079 n = i->index;
1080 if (n >= 3)
1081 return -EINVAL;
1082
1083 if (!dev->vinput[n].type)
1084 return -EINVAL;
1085
1086 i->index = n;
1087
1088 if (dev->vinput[n].type == TM6000_INPUT_TV)
1089 i->type = V4L2_INPUT_TYPE_TUNER;
1090 else
1091 i->type = V4L2_INPUT_TYPE_CAMERA;
1092
1093 strcpy(i->name, iname[dev->vinput[n].type]);
1094
1095 i->std = TM6000_STD;
1096
1097 return 0;
1098}
1099
1100static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1101{
1102 struct tm6000_fh *fh = priv;
1103 struct tm6000_core *dev = fh->dev;
1104
1105 *i = dev->input;
1106
1107 return 0;
1108}
1109
1110static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
1111{
1112 struct tm6000_fh *fh = priv;
1113 struct tm6000_core *dev = fh->dev;
1114 int rc = 0;
1115
1116 if (i >= 3)
1117 return -EINVAL;
1118 if (!dev->vinput[i].type)
1119 return -EINVAL;
1120
1121 dev->input = i;
1122
1123 rc = vidioc_s_std(file, priv, dev->norm);
1124
1125 return rc;
1126}
1127
1128
1129
1130static int tm6000_s_ctrl(struct v4l2_ctrl *ctrl)
1131{
1132 struct tm6000_core *dev = container_of(ctrl->handler, struct tm6000_core, ctrl_handler);
1133 u8 val = ctrl->val;
1134
1135 switch (ctrl->id) {
1136 case V4L2_CID_CONTRAST:
1137 tm6000_set_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, val);
1138 return 0;
1139 case V4L2_CID_BRIGHTNESS:
1140 tm6000_set_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, val);
1141 return 0;
1142 case V4L2_CID_SATURATION:
1143 tm6000_set_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, val);
1144 return 0;
1145 case V4L2_CID_HUE:
1146 tm6000_set_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, val);
1147 return 0;
1148 }
1149 return -EINVAL;
1150}
1151
1152static const struct v4l2_ctrl_ops tm6000_ctrl_ops = {
1153 .s_ctrl = tm6000_s_ctrl,
1154};
1155
1156static int tm6000_radio_s_ctrl(struct v4l2_ctrl *ctrl)
1157{
1158 struct tm6000_core *dev = container_of(ctrl->handler,
1159 struct tm6000_core, radio_ctrl_handler);
1160 u8 val = ctrl->val;
1161
1162 switch (ctrl->id) {
1163 case V4L2_CID_AUDIO_MUTE:
1164 dev->ctl_mute = val;
1165 tm6000_tvaudio_set_mute(dev, val);
1166 return 0;
1167 case V4L2_CID_AUDIO_VOLUME:
1168 dev->ctl_volume = val;
1169 tm6000_set_volume(dev, val);
1170 return 0;
1171 }
1172 return -EINVAL;
1173}
1174
1175static const struct v4l2_ctrl_ops tm6000_radio_ctrl_ops = {
1176 .s_ctrl = tm6000_radio_s_ctrl,
1177};
1178
1179static int vidioc_g_tuner(struct file *file, void *priv,
1180 struct v4l2_tuner *t)
1181{
1182 struct tm6000_fh *fh = priv;
1183 struct tm6000_core *dev = fh->dev;
1184
1185 if (UNSET == dev->tuner_type)
1186 return -ENOTTY;
1187 if (0 != t->index)
1188 return -EINVAL;
1189
1190 strcpy(t->name, "Television");
1191 t->type = V4L2_TUNER_ANALOG_TV;
1192 t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO;
1193 t->rangehigh = 0xffffffffUL;
1194 t->rxsubchans = V4L2_TUNER_SUB_STEREO;
1195
1196 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t);
1197
1198 t->audmode = dev->amode;
1199
1200 return 0;
1201}
1202
1203static int vidioc_s_tuner(struct file *file, void *priv,
1204 const struct v4l2_tuner *t)
1205{
1206 struct tm6000_fh *fh = priv;
1207 struct tm6000_core *dev = fh->dev;
1208
1209 if (UNSET == dev->tuner_type)
1210 return -ENOTTY;
1211 if (0 != t->index)
1212 return -EINVAL;
1213
1214 if (t->audmode > V4L2_TUNER_MODE_STEREO)
1215 dev->amode = V4L2_TUNER_MODE_STEREO;
1216 else
1217 dev->amode = t->audmode;
1218 dprintk(dev, 3, "audio mode: %x\n", t->audmode);
1219
1220 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t);
1221
1222 return 0;
1223}
1224
1225static int vidioc_g_frequency(struct file *file, void *priv,
1226 struct v4l2_frequency *f)
1227{
1228 struct tm6000_fh *fh = priv;
1229 struct tm6000_core *dev = fh->dev;
1230
1231 if (UNSET == dev->tuner_type)
1232 return -ENOTTY;
1233 if (f->tuner)
1234 return -EINVAL;
1235
1236 f->frequency = dev->freq;
1237
1238 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, f);
1239
1240 return 0;
1241}
1242
1243static int vidioc_s_frequency(struct file *file, void *priv,
1244 const struct v4l2_frequency *f)
1245{
1246 struct tm6000_fh *fh = priv;
1247 struct tm6000_core *dev = fh->dev;
1248
1249 if (UNSET == dev->tuner_type)
1250 return -ENOTTY;
1251 if (f->tuner != 0)
1252 return -EINVAL;
1253
1254 dev->freq = f->frequency;
1255 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f);
1256
1257 return 0;
1258}
1259
1260static int radio_g_tuner(struct file *file, void *priv,
1261 struct v4l2_tuner *t)
1262{
1263 struct tm6000_fh *fh = file->private_data;
1264 struct tm6000_core *dev = fh->dev;
1265
1266 if (0 != t->index)
1267 return -EINVAL;
1268
1269 memset(t, 0, sizeof(*t));
1270 strcpy(t->name, "Radio");
1271 t->type = V4L2_TUNER_RADIO;
1272 t->capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO;
1273 t->rxsubchans = V4L2_TUNER_SUB_STEREO;
1274 t->audmode = V4L2_TUNER_MODE_STEREO;
1275
1276 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t);
1277
1278 return 0;
1279}
1280
1281static int radio_s_tuner(struct file *file, void *priv,
1282 const struct v4l2_tuner *t)
1283{
1284 struct tm6000_fh *fh = file->private_data;
1285 struct tm6000_core *dev = fh->dev;
1286
1287 if (0 != t->index)
1288 return -EINVAL;
1289 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t);
1290 return 0;
1291}
1292
1293
1294
1295
1296
1297static int __tm6000_open(struct file *file)
1298{
1299 struct video_device *vdev = video_devdata(file);
1300 struct tm6000_core *dev = video_drvdata(file);
1301 struct tm6000_fh *fh;
1302 enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1303 int rc;
1304 int radio = 0;
1305
1306 dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: open called (dev=%s)\n",
1307 video_device_node_name(vdev));
1308
1309 switch (vdev->vfl_type) {
1310 case VFL_TYPE_GRABBER:
1311 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1312 break;
1313 case VFL_TYPE_VBI:
1314 type = V4L2_BUF_TYPE_VBI_CAPTURE;
1315 break;
1316 case VFL_TYPE_RADIO:
1317 radio = 1;
1318 break;
1319 default:
1320 return -EINVAL;
1321 }
1322
1323
1324 dev->users++;
1325
1326 dprintk(dev, V4L2_DEBUG_OPEN, "open dev=%s type=%s users=%d\n",
1327 video_device_node_name(vdev), v4l2_type_names[type],
1328 dev->users);
1329
1330
1331 fh = kzalloc(sizeof(*fh), GFP_KERNEL);
1332 if (NULL == fh) {
1333 dev->users--;
1334 return -ENOMEM;
1335 }
1336
1337 v4l2_fh_init(&fh->fh, vdev);
1338 file->private_data = fh;
1339 fh->dev = dev;
1340 fh->radio = radio;
1341 dev->radio = radio;
1342 fh->type = type;
1343 dev->fourcc = format[0].fourcc;
1344
1345 fh->fmt = format_by_fourcc(dev->fourcc);
1346
1347 tm6000_get_std_res(dev);
1348
1349 fh->width = dev->width;
1350 fh->height = dev->height;
1351
1352 dprintk(dev, V4L2_DEBUG_OPEN, "Open: fh=%p, dev=%p, dev->vidq=%p\n",
1353 fh, dev, &dev->vidq);
1354 dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty queued=%d\n",
1355 list_empty(&dev->vidq.queued));
1356 dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty active=%d\n",
1357 list_empty(&dev->vidq.active));
1358
1359
1360 rc = tm6000_init_analog_mode(dev);
1361 if (rc < 0) {
1362 v4l2_fh_exit(&fh->fh);
1363 kfree(fh);
1364 return rc;
1365 }
1366
1367 dev->mode = TM6000_MODE_ANALOG;
1368
1369 if (!fh->radio) {
1370 videobuf_queue_vmalloc_init(&fh->vb_vidq, &tm6000_video_qops,
1371 NULL, &dev->slock,
1372 fh->type,
1373 V4L2_FIELD_INTERLACED,
1374 sizeof(struct tm6000_buffer), fh, &dev->lock);
1375 } else {
1376 dprintk(dev, V4L2_DEBUG_OPEN, "video_open: setting radio device\n");
1377 tm6000_set_audio_rinput(dev);
1378 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_radio);
1379 tm6000_prepare_isoc(dev);
1380 tm6000_start_thread(dev);
1381 }
1382 v4l2_fh_add(&fh->fh);
1383
1384 return 0;
1385}
1386
1387static int tm6000_open(struct file *file)
1388{
1389 struct video_device *vdev = video_devdata(file);
1390 int res;
1391
1392 mutex_lock(vdev->lock);
1393 res = __tm6000_open(file);
1394 mutex_unlock(vdev->lock);
1395 return res;
1396}
1397
1398static ssize_t
1399tm6000_read(struct file *file, char __user *data, size_t count, loff_t *pos)
1400{
1401 struct tm6000_fh *fh = file->private_data;
1402 struct tm6000_core *dev = fh->dev;
1403
1404 if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
1405 int res;
1406
1407 if (!res_get(fh->dev, fh, true))
1408 return -EBUSY;
1409
1410 if (mutex_lock_interruptible(&dev->lock))
1411 return -ERESTARTSYS;
1412 res = videobuf_read_stream(&fh->vb_vidq, data, count, pos, 0,
1413 file->f_flags & O_NONBLOCK);
1414 mutex_unlock(&dev->lock);
1415 return res;
1416 }
1417 return 0;
1418}
1419
1420static __poll_t
1421__tm6000_poll(struct file *file, struct poll_table_struct *wait)
1422{
1423 __poll_t req_events = poll_requested_events(wait);
1424 struct tm6000_fh *fh = file->private_data;
1425 struct tm6000_buffer *buf;
1426 __poll_t res = 0;
1427
1428 if (v4l2_event_pending(&fh->fh))
1429 res = EPOLLPRI;
1430 else if (req_events & EPOLLPRI)
1431 poll_wait(file, &fh->fh.wait, wait);
1432 if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type)
1433 return res | EPOLLERR;
1434
1435 if (!!is_res_streaming(fh->dev, fh))
1436 return res | EPOLLERR;
1437
1438 if (!is_res_read(fh->dev, fh)) {
1439
1440 if (list_empty(&fh->vb_vidq.stream))
1441 return res | EPOLLERR;
1442 buf = list_entry(fh->vb_vidq.stream.next, struct tm6000_buffer, vb.stream);
1443 poll_wait(file, &buf->vb.done, wait);
1444 if (buf->vb.state == VIDEOBUF_DONE ||
1445 buf->vb.state == VIDEOBUF_ERROR)
1446 return res | EPOLLIN | EPOLLRDNORM;
1447 } else if (req_events & (EPOLLIN | EPOLLRDNORM)) {
1448
1449 return res | videobuf_poll_stream(file, &fh->vb_vidq, wait);
1450 }
1451 return res;
1452}
1453
1454static __poll_t tm6000_poll(struct file *file, struct poll_table_struct *wait)
1455{
1456 struct tm6000_fh *fh = file->private_data;
1457 struct tm6000_core *dev = fh->dev;
1458 __poll_t res;
1459
1460 mutex_lock(&dev->lock);
1461 res = __tm6000_poll(file, wait);
1462 mutex_unlock(&dev->lock);
1463 return res;
1464}
1465
1466static int tm6000_release(struct file *file)
1467{
1468 struct tm6000_fh *fh = file->private_data;
1469 struct tm6000_core *dev = fh->dev;
1470 struct video_device *vdev = video_devdata(file);
1471
1472 dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: close called (dev=%s, users=%d)\n",
1473 video_device_node_name(vdev), dev->users);
1474
1475 mutex_lock(&dev->lock);
1476 dev->users--;
1477
1478 res_free(dev, fh);
1479
1480 if (!dev->users) {
1481 tm6000_uninit_isoc(dev);
1482
1483
1484 tm6000_ir_int_stop(dev);
1485
1486 usb_reset_configuration(dev->udev);
1487
1488 if (dev->int_in.endp)
1489 usb_set_interface(dev->udev,
1490 dev->isoc_in.bInterfaceNumber, 2);
1491 else
1492 usb_set_interface(dev->udev,
1493 dev->isoc_in.bInterfaceNumber, 0);
1494
1495
1496 tm6000_ir_int_start(dev);
1497
1498 if (!fh->radio)
1499 videobuf_mmap_free(&fh->vb_vidq);
1500 }
1501 v4l2_fh_del(&fh->fh);
1502 v4l2_fh_exit(&fh->fh);
1503 kfree(fh);
1504 mutex_unlock(&dev->lock);
1505
1506 return 0;
1507}
1508
1509static int tm6000_mmap(struct file *file, struct vm_area_struct * vma)
1510{
1511 struct tm6000_fh *fh = file->private_data;
1512 struct tm6000_core *dev = fh->dev;
1513 int res;
1514
1515 if (mutex_lock_interruptible(&dev->lock))
1516 return -ERESTARTSYS;
1517 res = videobuf_mmap_mapper(&fh->vb_vidq, vma);
1518 mutex_unlock(&dev->lock);
1519 return res;
1520}
1521
1522static const struct v4l2_file_operations tm6000_fops = {
1523 .owner = THIS_MODULE,
1524 .open = tm6000_open,
1525 .release = tm6000_release,
1526 .unlocked_ioctl = video_ioctl2,
1527 .read = tm6000_read,
1528 .poll = tm6000_poll,
1529 .mmap = tm6000_mmap,
1530};
1531
1532static const struct v4l2_ioctl_ops video_ioctl_ops = {
1533 .vidioc_querycap = vidioc_querycap,
1534 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1535 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1536 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1537 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1538 .vidioc_s_std = vidioc_s_std,
1539 .vidioc_g_std = vidioc_g_std,
1540 .vidioc_enum_input = vidioc_enum_input,
1541 .vidioc_g_input = vidioc_g_input,
1542 .vidioc_s_input = vidioc_s_input,
1543 .vidioc_g_tuner = vidioc_g_tuner,
1544 .vidioc_s_tuner = vidioc_s_tuner,
1545 .vidioc_g_frequency = vidioc_g_frequency,
1546 .vidioc_s_frequency = vidioc_s_frequency,
1547 .vidioc_streamon = vidioc_streamon,
1548 .vidioc_streamoff = vidioc_streamoff,
1549 .vidioc_reqbufs = vidioc_reqbufs,
1550 .vidioc_querybuf = vidioc_querybuf,
1551 .vidioc_qbuf = vidioc_qbuf,
1552 .vidioc_dqbuf = vidioc_dqbuf,
1553 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1554 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1555};
1556
1557static struct video_device tm6000_template = {
1558 .name = "tm6000",
1559 .fops = &tm6000_fops,
1560 .ioctl_ops = &video_ioctl_ops,
1561 .release = video_device_release_empty,
1562 .tvnorms = TM6000_STD,
1563};
1564
1565static const struct v4l2_file_operations radio_fops = {
1566 .owner = THIS_MODULE,
1567 .open = tm6000_open,
1568 .poll = v4l2_ctrl_poll,
1569 .release = tm6000_release,
1570 .unlocked_ioctl = video_ioctl2,
1571};
1572
1573static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1574 .vidioc_querycap = vidioc_querycap,
1575 .vidioc_g_tuner = radio_g_tuner,
1576 .vidioc_s_tuner = radio_s_tuner,
1577 .vidioc_g_frequency = vidioc_g_frequency,
1578 .vidioc_s_frequency = vidioc_s_frequency,
1579 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1580 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1581};
1582
1583static struct video_device tm6000_radio_template = {
1584 .name = "tm6000",
1585 .fops = &radio_fops,
1586 .ioctl_ops = &radio_ioctl_ops,
1587};
1588
1589
1590
1591
1592
1593
1594static void vdev_init(struct tm6000_core *dev,
1595 struct video_device *vfd,
1596 const struct video_device
1597 *template, const char *type_name)
1598{
1599 *vfd = *template;
1600 vfd->v4l2_dev = &dev->v4l2_dev;
1601 vfd->release = video_device_release_empty;
1602 vfd->lock = &dev->lock;
1603
1604 snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name);
1605
1606 video_set_drvdata(vfd, dev);
1607}
1608
1609int tm6000_v4l2_register(struct tm6000_core *dev)
1610{
1611 int ret = 0;
1612
1613 v4l2_ctrl_handler_init(&dev->ctrl_handler, 6);
1614 v4l2_ctrl_handler_init(&dev->radio_ctrl_handler, 2);
1615 v4l2_ctrl_new_std(&dev->radio_ctrl_handler, &tm6000_radio_ctrl_ops,
1616 V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
1617 v4l2_ctrl_new_std(&dev->radio_ctrl_handler, &tm6000_radio_ctrl_ops,
1618 V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0);
1619 v4l2_ctrl_new_std(&dev->ctrl_handler, &tm6000_ctrl_ops,
1620 V4L2_CID_BRIGHTNESS, 0, 255, 1, 54);
1621 v4l2_ctrl_new_std(&dev->ctrl_handler, &tm6000_ctrl_ops,
1622 V4L2_CID_CONTRAST, 0, 255, 1, 119);
1623 v4l2_ctrl_new_std(&dev->ctrl_handler, &tm6000_ctrl_ops,
1624 V4L2_CID_SATURATION, 0, 255, 1, 112);
1625 v4l2_ctrl_new_std(&dev->ctrl_handler, &tm6000_ctrl_ops,
1626 V4L2_CID_HUE, -128, 127, 1, 0);
1627 v4l2_ctrl_add_handler(&dev->ctrl_handler,
1628 &dev->radio_ctrl_handler, NULL);
1629
1630 if (dev->radio_ctrl_handler.error)
1631 ret = dev->radio_ctrl_handler.error;
1632 if (!ret && dev->ctrl_handler.error)
1633 ret = dev->ctrl_handler.error;
1634 if (ret)
1635 goto free_ctrl;
1636
1637 vdev_init(dev, &dev->vfd, &tm6000_template, "video");
1638
1639 dev->vfd.ctrl_handler = &dev->ctrl_handler;
1640
1641
1642 INIT_LIST_HEAD(&dev->vidq.active);
1643 INIT_LIST_HEAD(&dev->vidq.queued);
1644
1645 ret = video_register_device(&dev->vfd, VFL_TYPE_GRABBER, video_nr);
1646
1647 if (ret < 0) {
1648 printk(KERN_INFO "%s: can't register video device\n",
1649 dev->name);
1650 goto free_ctrl;
1651 }
1652
1653 printk(KERN_INFO "%s: registered device %s\n",
1654 dev->name, video_device_node_name(&dev->vfd));
1655
1656 if (dev->caps.has_radio) {
1657 vdev_init(dev, &dev->radio_dev, &tm6000_radio_template,
1658 "radio");
1659 dev->radio_dev.ctrl_handler = &dev->radio_ctrl_handler;
1660 ret = video_register_device(&dev->radio_dev, VFL_TYPE_RADIO,
1661 radio_nr);
1662 if (ret < 0) {
1663 printk(KERN_INFO "%s: can't register radio device\n",
1664 dev->name);
1665 goto unreg_video;
1666 }
1667
1668 printk(KERN_INFO "%s: registered device %s\n",
1669 dev->name, video_device_node_name(&dev->radio_dev));
1670 }
1671
1672 printk(KERN_INFO "Trident TVMaster TM5600/TM6000/TM6010 USB2 board (Load status: %d)\n", ret);
1673 return ret;
1674
1675unreg_video:
1676 video_unregister_device(&dev->vfd);
1677free_ctrl:
1678 v4l2_ctrl_handler_free(&dev->ctrl_handler);
1679 v4l2_ctrl_handler_free(&dev->radio_ctrl_handler);
1680 return ret;
1681}
1682
1683int tm6000_v4l2_unregister(struct tm6000_core *dev)
1684{
1685 video_unregister_device(&dev->vfd);
1686
1687
1688 tm6000_free_urb_buffers(dev);
1689
1690 video_unregister_device(&dev->radio_dev);
1691 return 0;
1692}
1693
1694int tm6000_v4l2_exit(void)
1695{
1696 return 0;
1697}
1698
1699module_param(video_nr, int, 0);
1700MODULE_PARM_DESC(video_nr, "Allow changing video device number");
1701
1702module_param_named(debug, tm6000_debug, int, 0444);
1703MODULE_PARM_DESC(debug, "activates debug info");
1704
1705module_param(vid_limit, int, 0644);
1706MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
1707
1708module_param(keep_urb, bool, 0);
1709MODULE_PARM_DESC(keep_urb, "Keep urb buffers allocated even when the device is closed by the user");
1710
