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23#include <linux/module.h>
24#include <linux/delay.h>
25#include <linux/errno.h>
26#include <linux/fs.h>
27#include <linux/kernel.h>
28#include <linux/slab.h>
29#include <linux/mm.h>
30#include <linux/ioport.h>
31#include <linux/init.h>
32#include <linux/sched.h>
33#include <linux/random.h>
34#include <linux/usb.h>
35#include <linux/videodev2.h>
36#include <media/v4l2-ioctl.h>
37#include <media/v4l2-event.h>
38#include <media/tuner.h>
39#include <linux/interrupt.h>
40#include <linux/kthread.h>
41#include <linux/highmem.h>
42#include <linux/freezer.h>
43
44#include "tm6000-regs.h"
45#include "tm6000.h"
46
47#define BUFFER_TIMEOUT msecs_to_jiffies(2000)
48
49
50#define TM6000_MIN_BUF 4
51#define TM6000_DEF_BUF 8
52
53#define TM6000_NUM_URB_BUF 8
54
55#define TM6000_MAX_ISO_PACKETS 46
56
57
58static unsigned int vid_limit = 16;
59static int video_nr = -1;
60static int radio_nr = -1;
61static bool keep_urb;
62
63
64int tm6000_debug;
65EXPORT_SYMBOL_GPL(tm6000_debug);
66
67static struct tm6000_fmt format[] = {
68 {
69 .name = "4:2:2, packed, YVY2",
70 .fourcc = V4L2_PIX_FMT_YUYV,
71 .depth = 16,
72 }, {
73 .name = "4:2:2, packed, UYVY",
74 .fourcc = V4L2_PIX_FMT_UYVY,
75 .depth = 16,
76 }, {
77 .name = "A/V + VBI mux packet",
78 .fourcc = V4L2_PIX_FMT_TM6000,
79 .depth = 16,
80 }
81};
82
83
84
85
86
87
88#define norm_maxw(a) 720
89#define norm_maxh(a) 576
90
91#define norm_minw(a) norm_maxw(a)
92#define norm_minh(a) norm_maxh(a)
93
94
95
96
97static inline void get_next_buf(struct tm6000_dmaqueue *dma_q,
98 struct tm6000_buffer **buf)
99{
100 struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
101
102 if (list_empty(&dma_q->active)) {
103 dprintk(dev, V4L2_DEBUG_QUEUE, "No active queue to serve\n");
104 *buf = NULL;
105 return;
106 }
107
108 *buf = list_entry(dma_q->active.next,
109 struct tm6000_buffer, vb.queue);
110}
111
112
113
114
115static inline void buffer_filled(struct tm6000_core *dev,
116 struct tm6000_dmaqueue *dma_q,
117 struct tm6000_buffer *buf)
118{
119
120 dprintk(dev, V4L2_DEBUG_ISOC, "[%p/%d] wakeup\n", buf, buf->vb.i);
121 buf->vb.state = VIDEOBUF_DONE;
122 buf->vb.field_count++;
123 v4l2_get_timestamp(&buf->vb.ts);
124
125 list_del(&buf->vb.queue);
126 wake_up(&buf->vb.done);
127}
128
129
130
131
132static int copy_streams(u8 *data, unsigned long len,
133 struct urb *urb)
134{
135 struct tm6000_dmaqueue *dma_q = urb->context;
136 struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
137 u8 *ptr = data, *endp = data+len;
138 unsigned long header = 0;
139 int rc = 0;
140 unsigned int cmd, cpysize, pktsize, size, field, block, line, pos = 0;
141 struct tm6000_buffer *vbuf = NULL;
142 char *voutp = NULL;
143 unsigned int linewidth;
144
145 if (!dev->radio) {
146
147 get_next_buf(dma_q, &vbuf);
148
149 if (!vbuf)
150 return rc;
151 voutp = videobuf_to_vmalloc(&vbuf->vb);
152
153 if (!voutp)
154 return 0;
155 }
156
157 for (ptr = data; ptr < endp;) {
158 if (!dev->isoc_ctl.cmd) {
159
160 if (dev->isoc_ctl.tmp_buf_len > 0) {
161
162 header = dev->isoc_ctl.tmp_buf;
163 if (4 - dev->isoc_ctl.tmp_buf_len > 0) {
164 memcpy((u8 *)&header +
165 dev->isoc_ctl.tmp_buf_len,
166 ptr,
167 4 - dev->isoc_ctl.tmp_buf_len);
168 ptr += 4 - dev->isoc_ctl.tmp_buf_len;
169 }
170 dev->isoc_ctl.tmp_buf_len = 0;
171 } else {
172 if (ptr + 3 >= endp) {
173
174 dev->isoc_ctl.tmp_buf_len = endp - ptr;
175 memcpy(&dev->isoc_ctl.tmp_buf, ptr,
176 dev->isoc_ctl.tmp_buf_len);
177 return rc;
178 }
179
180 for (; ptr < endp - 3; ptr++) {
181 if (*(ptr + 3) == 0x47)
182 break;
183 }
184
185 header = *(unsigned long *)ptr;
186 ptr += 4;
187 }
188
189
190 size = ((header & 0x7e) << 1);
191 if (size > 0)
192 size -= 4;
193 block = (header >> 7) & 0xf;
194 field = (header >> 11) & 0x1;
195 line = (header >> 12) & 0x1ff;
196 cmd = (header >> 21) & 0x7;
197
198 if (size > TM6000_URB_MSG_LEN)
199 size = TM6000_URB_MSG_LEN;
200 pktsize = TM6000_URB_MSG_LEN;
201
202
203
204 switch (cmd) {
205 case TM6000_URB_MSG_VIDEO:
206 if (!dev->radio) {
207 if ((dev->isoc_ctl.vfield != field) &&
208 (field == 1)) {
209
210
211
212
213 buffer_filled(dev, dma_q, vbuf);
214 dprintk(dev, V4L2_DEBUG_ISOC,
215 "new buffer filled\n");
216 get_next_buf(dma_q, &vbuf);
217 if (!vbuf)
218 return rc;
219 voutp = videobuf_to_vmalloc(&vbuf->vb);
220 if (!voutp)
221 return rc;
222 memset(voutp, 0, vbuf->vb.size);
223 }
224 linewidth = vbuf->vb.width << 1;
225 pos = ((line << 1) - field - 1) *
226 linewidth + block * TM6000_URB_MSG_LEN;
227
228 if (pos + size > vbuf->vb.size)
229 cmd = TM6000_URB_MSG_ERR;
230 dev->isoc_ctl.vfield = field;
231 }
232 break;
233 case TM6000_URB_MSG_VBI:
234 break;
235 case TM6000_URB_MSG_AUDIO:
236 case TM6000_URB_MSG_PTS:
237 size = pktsize;
238 break;
239 }
240 } else {
241
242 cmd = dev->isoc_ctl.cmd;
243 size = dev->isoc_ctl.size;
244 pos = dev->isoc_ctl.pos;
245 pktsize = dev->isoc_ctl.pktsize;
246 field = dev->isoc_ctl.field;
247 }
248 cpysize = (endp - ptr > size) ? size : endp - ptr;
249 if (cpysize) {
250
251 switch (cmd) {
252 case TM6000_URB_MSG_VIDEO:
253
254 if (vbuf)
255 memcpy(&voutp[pos], ptr, cpysize);
256 break;
257 case TM6000_URB_MSG_AUDIO: {
258 int i;
259 for (i = 0; i < cpysize; i += 2)
260 swab16s((u16 *)(ptr + i));
261
262 tm6000_call_fillbuf(dev, TM6000_AUDIO, ptr, cpysize);
263 break;
264 }
265 case TM6000_URB_MSG_VBI:
266
267 break;
268 case TM6000_URB_MSG_PTS: {
269
270 u32 pts;
271 pts = *(u32 *)ptr;
272 dprintk(dev, V4L2_DEBUG_ISOC, "field %d, PTS %x",
273 field, pts);
274 break;
275 }
276 }
277 }
278 if (ptr + pktsize > endp) {
279
280
281
282
283 dev->isoc_ctl.pos = pos + cpysize;
284 dev->isoc_ctl.size = size - cpysize;
285 dev->isoc_ctl.cmd = cmd;
286 dev->isoc_ctl.field = field;
287 dev->isoc_ctl.pktsize = pktsize - (endp - ptr);
288 ptr += endp - ptr;
289 } else {
290 dev->isoc_ctl.cmd = 0;
291 ptr += pktsize;
292 }
293 }
294 return 0;
295}
296
297
298
299
300static int copy_multiplexed(u8 *ptr, unsigned long len,
301 struct urb *urb)
302{
303 struct tm6000_dmaqueue *dma_q = urb->context;
304 struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
305 unsigned int pos = dev->isoc_ctl.pos, cpysize;
306 int rc = 1;
307 struct tm6000_buffer *buf;
308 char *outp = NULL;
309
310 get_next_buf(dma_q, &buf);
311 if (buf)
312 outp = videobuf_to_vmalloc(&buf->vb);
313
314 if (!outp)
315 return 0;
316
317 while (len > 0) {
318 cpysize = min(len, buf->vb.size-pos);
319 memcpy(&outp[pos], ptr, cpysize);
320 pos += cpysize;
321 ptr += cpysize;
322 len -= cpysize;
323 if (pos >= buf->vb.size) {
324 pos = 0;
325
326 buffer_filled(dev, dma_q, buf);
327 dprintk(dev, V4L2_DEBUG_ISOC, "new buffer filled\n");
328 get_next_buf(dma_q, &buf);
329 if (!buf)
330 break;
331 outp = videobuf_to_vmalloc(&(buf->vb));
332 if (!outp)
333 return rc;
334 pos = 0;
335 }
336 }
337
338 dev->isoc_ctl.pos = pos;
339 return rc;
340}
341
342static inline void print_err_status(struct tm6000_core *dev,
343 int packet, int status)
344{
345 char *errmsg = "Unknown";
346
347 switch (status) {
348 case -ENOENT:
349 errmsg = "unlinked synchronuously";
350 break;
351 case -ECONNRESET:
352 errmsg = "unlinked asynchronuously";
353 break;
354 case -ENOSR:
355 errmsg = "Buffer error (overrun)";
356 break;
357 case -EPIPE:
358 errmsg = "Stalled (device not responding)";
359 break;
360 case -EOVERFLOW:
361 errmsg = "Babble (bad cable?)";
362 break;
363 case -EPROTO:
364 errmsg = "Bit-stuff error (bad cable?)";
365 break;
366 case -EILSEQ:
367 errmsg = "CRC/Timeout (could be anything)";
368 break;
369 case -ETIME:
370 errmsg = "Device does not respond";
371 break;
372 }
373 if (packet < 0) {
374 dprintk(dev, V4L2_DEBUG_QUEUE, "URB status %d [%s].\n",
375 status, errmsg);
376 } else {
377 dprintk(dev, V4L2_DEBUG_QUEUE, "URB packet %d, status %d [%s].\n",
378 packet, status, errmsg);
379 }
380}
381
382
383
384
385
386static inline int tm6000_isoc_copy(struct urb *urb)
387{
388 struct tm6000_dmaqueue *dma_q = urb->context;
389 struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
390 int i, len = 0, rc = 1, status;
391 char *p;
392
393 if (urb->status < 0) {
394 print_err_status(dev, -1, urb->status);
395 return 0;
396 }
397
398 for (i = 0; i < urb->number_of_packets; i++) {
399 status = urb->iso_frame_desc[i].status;
400
401 if (status < 0) {
402 print_err_status(dev, i, status);
403 continue;
404 }
405
406 len = urb->iso_frame_desc[i].actual_length;
407
408 if (len > 0) {
409 p = urb->transfer_buffer + urb->iso_frame_desc[i].offset;
410 if (!urb->iso_frame_desc[i].status) {
411 if ((dev->fourcc) == V4L2_PIX_FMT_TM6000) {
412 rc = copy_multiplexed(p, len, urb);
413 if (rc <= 0)
414 return rc;
415 } else {
416 copy_streams(p, len, urb);
417 }
418 }
419 }
420 }
421 return rc;
422}
423
424
425
426
427
428
429
430
431
432static void tm6000_irq_callback(struct urb *urb)
433{
434 struct tm6000_dmaqueue *dma_q = urb->context;
435 struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
436 int i;
437
438 switch (urb->status) {
439 case 0:
440 case -ETIMEDOUT:
441 break;
442
443 case -ECONNRESET:
444 case -ENOENT:
445 case -ESHUTDOWN:
446 return;
447
448 default:
449 tm6000_err("urb completion error %d.\n", urb->status);
450 break;
451 }
452
453 spin_lock(&dev->slock);
454 tm6000_isoc_copy(urb);
455 spin_unlock(&dev->slock);
456
457
458 for (i = 0; i < urb->number_of_packets; i++) {
459 urb->iso_frame_desc[i].status = 0;
460 urb->iso_frame_desc[i].actual_length = 0;
461 }
462
463 urb->status = usb_submit_urb(urb, GFP_ATOMIC);
464 if (urb->status)
465 tm6000_err("urb resubmit failed (error=%i)\n",
466 urb->status);
467}
468
469
470
471
472static int tm6000_alloc_urb_buffers(struct tm6000_core *dev)
473{
474 int num_bufs = TM6000_NUM_URB_BUF;
475 int i;
476
477 if (dev->urb_buffer != NULL)
478 return 0;
479
480 dev->urb_buffer = kmalloc(sizeof(void *)*num_bufs, GFP_KERNEL);
481 if (!dev->urb_buffer) {
482 tm6000_err("cannot allocate memory for urb buffers\n");
483 return -ENOMEM;
484 }
485
486 dev->urb_dma = kmalloc(sizeof(dma_addr_t *)*num_bufs, GFP_KERNEL);
487 if (!dev->urb_dma) {
488 tm6000_err("cannot allocate memory for urb dma pointers\n");
489 return -ENOMEM;
490 }
491
492 for (i = 0; i < num_bufs; i++) {
493 dev->urb_buffer[i] = usb_alloc_coherent(
494 dev->udev, dev->urb_size,
495 GFP_KERNEL, &dev->urb_dma[i]);
496 if (!dev->urb_buffer[i]) {
497 tm6000_err("unable to allocate %i bytes for transfer buffer %i\n",
498 dev->urb_size, i);
499 return -ENOMEM;
500 }
501 memset(dev->urb_buffer[i], 0, dev->urb_size);
502 }
503
504 return 0;
505}
506
507
508
509
510static int tm6000_free_urb_buffers(struct tm6000_core *dev)
511{
512 int i;
513
514 if (dev->urb_buffer == NULL)
515 return 0;
516
517 for (i = 0; i < TM6000_NUM_URB_BUF; i++) {
518 if (dev->urb_buffer[i]) {
519 usb_free_coherent(dev->udev,
520 dev->urb_size,
521 dev->urb_buffer[i],
522 dev->urb_dma[i]);
523 dev->urb_buffer[i] = NULL;
524 }
525 }
526 kfree(dev->urb_buffer);
527 kfree(dev->urb_dma);
528 dev->urb_buffer = NULL;
529 dev->urb_dma = NULL;
530
531 return 0;
532}
533
534
535
536
537static void tm6000_uninit_isoc(struct tm6000_core *dev)
538{
539 struct urb *urb;
540 int i;
541
542 dev->isoc_ctl.buf = NULL;
543 for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
544 urb = dev->isoc_ctl.urb[i];
545 if (urb) {
546 usb_kill_urb(urb);
547 usb_unlink_urb(urb);
548 usb_free_urb(urb);
549 dev->isoc_ctl.urb[i] = NULL;
550 }
551 dev->isoc_ctl.transfer_buffer[i] = NULL;
552 }
553
554 if (!keep_urb)
555 tm6000_free_urb_buffers(dev);
556
557 kfree(dev->isoc_ctl.urb);
558 kfree(dev->isoc_ctl.transfer_buffer);
559
560 dev->isoc_ctl.urb = NULL;
561 dev->isoc_ctl.transfer_buffer = NULL;
562 dev->isoc_ctl.num_bufs = 0;
563}
564
565
566
567
568static int tm6000_prepare_isoc(struct tm6000_core *dev)
569{
570 struct tm6000_dmaqueue *dma_q = &dev->vidq;
571 int i, j, sb_size, pipe, size, max_packets;
572 int num_bufs = TM6000_NUM_URB_BUF;
573 struct urb *urb;
574
575
576 tm6000_uninit_isoc(dev);
577
578 tm6000_ir_int_stop(dev);
579
580 usb_set_interface(dev->udev,
581 dev->isoc_in.bInterfaceNumber,
582 dev->isoc_in.bAlternateSetting);
583
584
585 tm6000_ir_int_start(dev);
586
587 pipe = usb_rcvisocpipe(dev->udev,
588 dev->isoc_in.endp->desc.bEndpointAddress &
589 USB_ENDPOINT_NUMBER_MASK);
590
591 size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe));
592
593 if (size > dev->isoc_in.maxsize)
594 size = dev->isoc_in.maxsize;
595
596 dev->isoc_ctl.max_pkt_size = size;
597
598 max_packets = TM6000_MAX_ISO_PACKETS;
599 sb_size = max_packets * size;
600 dev->urb_size = sb_size;
601
602 dev->isoc_ctl.num_bufs = num_bufs;
603
604 dev->isoc_ctl.urb = kmalloc(sizeof(void *)*num_bufs, GFP_KERNEL);
605 if (!dev->isoc_ctl.urb) {
606 tm6000_err("cannot alloc memory for usb buffers\n");
607 return -ENOMEM;
608 }
609
610 dev->isoc_ctl.transfer_buffer = kmalloc(sizeof(void *)*num_bufs,
611 GFP_KERNEL);
612 if (!dev->isoc_ctl.transfer_buffer) {
613 tm6000_err("cannot allocate memory for usbtransfer\n");
614 kfree(dev->isoc_ctl.urb);
615 return -ENOMEM;
616 }
617
618 dprintk(dev, V4L2_DEBUG_QUEUE, "Allocating %d x %d packets"
619 " (%d bytes) of %d bytes each to handle %u size\n",
620 max_packets, num_bufs, sb_size,
621 dev->isoc_in.maxsize, size);
622
623
624 if (!dev->urb_buffer && tm6000_alloc_urb_buffers(dev) < 0) {
625 tm6000_err("cannot allocate memory for urb buffers\n");
626
627
628 tm6000_free_urb_buffers(dev);
629 kfree(dev->isoc_ctl.urb);
630 kfree(dev->isoc_ctl.transfer_buffer);
631 return -ENOMEM;
632 }
633
634
635 for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
636 urb = usb_alloc_urb(max_packets, GFP_KERNEL);
637 if (!urb) {
638 tm6000_err("cannot alloc isoc_ctl.urb %i\n", i);
639 tm6000_uninit_isoc(dev);
640 usb_free_urb(urb);
641 return -ENOMEM;
642 }
643 dev->isoc_ctl.urb[i] = urb;
644
645 urb->transfer_dma = dev->urb_dma[i];
646 dev->isoc_ctl.transfer_buffer[i] = dev->urb_buffer[i];
647
648 usb_fill_bulk_urb(urb, dev->udev, pipe,
649 dev->isoc_ctl.transfer_buffer[i], sb_size,
650 tm6000_irq_callback, dma_q);
651 urb->interval = dev->isoc_in.endp->desc.bInterval;
652 urb->number_of_packets = max_packets;
653 urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
654
655 for (j = 0; j < max_packets; j++) {
656 urb->iso_frame_desc[j].offset = size * j;
657 urb->iso_frame_desc[j].length = size;
658 }
659 }
660
661 return 0;
662}
663
664static int tm6000_start_thread(struct tm6000_core *dev)
665{
666 struct tm6000_dmaqueue *dma_q = &dev->vidq;
667 int i;
668
669 dma_q->frame = 0;
670 dma_q->ini_jiffies = jiffies;
671
672 init_waitqueue_head(&dma_q->wq);
673
674
675 for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
676 int rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC);
677 if (rc) {
678 tm6000_err("submit of urb %i failed (error=%i)\n", i,
679 rc);
680 tm6000_uninit_isoc(dev);
681 return rc;
682 }
683 }
684
685 return 0;
686}
687
688
689
690
691
692
693static int
694buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size)
695{
696 struct tm6000_fh *fh = vq->priv_data;
697
698 *size = fh->fmt->depth * fh->width * fh->height >> 3;
699 if (0 == *count)
700 *count = TM6000_DEF_BUF;
701
702 if (*count < TM6000_MIN_BUF)
703 *count = TM6000_MIN_BUF;
704
705 while (*size * *count > vid_limit * 1024 * 1024)
706 (*count)--;
707
708 return 0;
709}
710
711static void free_buffer(struct videobuf_queue *vq, struct tm6000_buffer *buf)
712{
713 struct tm6000_fh *fh = vq->priv_data;
714 struct tm6000_core *dev = fh->dev;
715 unsigned long flags;
716
717 if (in_interrupt())
718 BUG();
719
720
721
722
723
724
725
726
727
728
729 spin_lock_irqsave(&dev->slock, flags);
730 if (dev->isoc_ctl.buf == buf)
731 dev->isoc_ctl.buf = NULL;
732 spin_unlock_irqrestore(&dev->slock, flags);
733
734 videobuf_vmalloc_free(&buf->vb);
735 buf->vb.state = VIDEOBUF_NEEDS_INIT;
736}
737
738static int
739buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
740 enum v4l2_field field)
741{
742 struct tm6000_fh *fh = vq->priv_data;
743 struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb);
744 struct tm6000_core *dev = fh->dev;
745 int rc = 0;
746
747 BUG_ON(NULL == fh->fmt);
748
749
750
751
752 buf->vb.size = fh->fmt->depth*fh->width*fh->height >> 3;
753 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
754 return -EINVAL;
755
756 if (buf->fmt != fh->fmt ||
757 buf->vb.width != fh->width ||
758 buf->vb.height != fh->height ||
759 buf->vb.field != field) {
760 buf->fmt = fh->fmt;
761 buf->vb.width = fh->width;
762 buf->vb.height = fh->height;
763 buf->vb.field = field;
764 buf->vb.state = VIDEOBUF_NEEDS_INIT;
765 }
766
767 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
768 rc = videobuf_iolock(vq, &buf->vb, NULL);
769 if (rc != 0)
770 goto fail;
771 }
772
773 if (!dev->isoc_ctl.num_bufs) {
774 rc = tm6000_prepare_isoc(dev);
775 if (rc < 0)
776 goto fail;
777
778 rc = tm6000_start_thread(dev);
779 if (rc < 0)
780 goto fail;
781
782 }
783
784 buf->vb.state = VIDEOBUF_PREPARED;
785 return 0;
786
787fail:
788 free_buffer(vq, buf);
789 return rc;
790}
791
792static void
793buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
794{
795 struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb);
796 struct tm6000_fh *fh = vq->priv_data;
797 struct tm6000_core *dev = fh->dev;
798 struct tm6000_dmaqueue *vidq = &dev->vidq;
799
800 buf->vb.state = VIDEOBUF_QUEUED;
801 list_add_tail(&buf->vb.queue, &vidq->active);
802}
803
804static void buffer_release(struct videobuf_queue *vq, struct videobuf_buffer *vb)
805{
806 struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb);
807
808 free_buffer(vq, buf);
809}
810
811static struct videobuf_queue_ops tm6000_video_qops = {
812 .buf_setup = buffer_setup,
813 .buf_prepare = buffer_prepare,
814 .buf_queue = buffer_queue,
815 .buf_release = buffer_release,
816};
817
818
819
820
821
822
823static bool is_res_read(struct tm6000_core *dev, struct tm6000_fh *fh)
824{
825
826 if (dev->resources == fh && dev->is_res_read)
827 return true;
828
829 return false;
830}
831
832static bool is_res_streaming(struct tm6000_core *dev, struct tm6000_fh *fh)
833{
834
835 if (dev->resources == fh)
836 return true;
837
838 return false;
839}
840
841static bool res_get(struct tm6000_core *dev, struct tm6000_fh *fh,
842 bool is_res_read)
843{
844
845 if (dev->resources == fh && dev->is_res_read == is_res_read)
846 return true;
847
848
849 if (dev->resources)
850 return false;
851
852
853 dev->resources = fh;
854 dev->is_res_read = is_res_read;
855 dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: get\n");
856 return true;
857}
858
859static void res_free(struct tm6000_core *dev, struct tm6000_fh *fh)
860{
861
862 if (dev->resources != fh)
863 return;
864
865 dev->resources = NULL;
866 dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: put\n");
867}
868
869
870
871
872
873static int vidioc_querycap(struct file *file, void *priv,
874 struct v4l2_capability *cap)
875{
876 struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev;
877 struct video_device *vdev = video_devdata(file);
878
879 strlcpy(cap->driver, "tm6000", sizeof(cap->driver));
880 strlcpy(cap->card, "Trident TVMaster TM5600/6000/6010", sizeof(cap->card));
881 usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
882 if (dev->tuner_type != TUNER_ABSENT)
883 cap->device_caps |= V4L2_CAP_TUNER;
884 if (vdev->vfl_type == VFL_TYPE_GRABBER)
885 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE |
886 V4L2_CAP_STREAMING |
887 V4L2_CAP_READWRITE;
888 else
889 cap->device_caps |= V4L2_CAP_RADIO;
890 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS |
891 V4L2_CAP_RADIO | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE;
892
893 return 0;
894}
895
896static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
897 struct v4l2_fmtdesc *f)
898{
899 if (f->index >= ARRAY_SIZE(format))
900 return -EINVAL;
901
902 strlcpy(f->description, format[f->index].name, sizeof(f->description));
903 f->pixelformat = format[f->index].fourcc;
904 return 0;
905}
906
907static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
908 struct v4l2_format *f)
909{
910 struct tm6000_fh *fh = priv;
911
912 f->fmt.pix.width = fh->width;
913 f->fmt.pix.height = fh->height;
914 f->fmt.pix.field = fh->vb_vidq.field;
915 f->fmt.pix.pixelformat = fh->fmt->fourcc;
916 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
917 f->fmt.pix.bytesperline =
918 (f->fmt.pix.width * fh->fmt->depth) >> 3;
919 f->fmt.pix.sizeimage =
920 f->fmt.pix.height * f->fmt.pix.bytesperline;
921 f->fmt.pix.priv = 0;
922
923 return 0;
924}
925
926static struct tm6000_fmt *format_by_fourcc(unsigned int fourcc)
927{
928 unsigned int i;
929
930 for (i = 0; i < ARRAY_SIZE(format); i++)
931 if (format[i].fourcc == fourcc)
932 return format+i;
933 return NULL;
934}
935
936static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
937 struct v4l2_format *f)
938{
939 struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev;
940 struct tm6000_fmt *fmt;
941 enum v4l2_field field;
942
943 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
944 if (NULL == fmt) {
945 dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Fourcc format (0x%08x)"
946 " invalid.\n", f->fmt.pix.pixelformat);
947 return -EINVAL;
948 }
949
950 field = f->fmt.pix.field;
951
952 field = V4L2_FIELD_INTERLACED;
953
954 tm6000_get_std_res(dev);
955
956 f->fmt.pix.width = dev->width;
957 f->fmt.pix.height = dev->height;
958
959 f->fmt.pix.width &= ~0x01;
960
961 f->fmt.pix.field = field;
962 f->fmt.pix.priv = 0;
963
964 f->fmt.pix.bytesperline =
965 (f->fmt.pix.width * fmt->depth) >> 3;
966 f->fmt.pix.sizeimage =
967 f->fmt.pix.height * f->fmt.pix.bytesperline;
968 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
969
970 return 0;
971}
972
973
974static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
975 struct v4l2_format *f)
976{
977 struct tm6000_fh *fh = priv;
978 struct tm6000_core *dev = fh->dev;
979 int ret = vidioc_try_fmt_vid_cap(file, fh, f);
980 if (ret < 0)
981 return ret;
982
983 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
984 fh->width = f->fmt.pix.width;
985 fh->height = f->fmt.pix.height;
986 fh->vb_vidq.field = f->fmt.pix.field;
987 fh->type = f->type;
988
989 dev->fourcc = f->fmt.pix.pixelformat;
990
991 tm6000_set_fourcc_format(dev);
992
993 return 0;
994}
995
996static int vidioc_reqbufs(struct file *file, void *priv,
997 struct v4l2_requestbuffers *p)
998{
999 struct tm6000_fh *fh = priv;
1000
1001 return videobuf_reqbufs(&fh->vb_vidq, p);
1002}
1003
1004static int vidioc_querybuf(struct file *file, void *priv,
1005 struct v4l2_buffer *p)
1006{
1007 struct tm6000_fh *fh = priv;
1008
1009 return videobuf_querybuf(&fh->vb_vidq, p);
1010}
1011
1012static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)
1013{
1014 struct tm6000_fh *fh = priv;
1015
1016 return videobuf_qbuf(&fh->vb_vidq, p);
1017}
1018
1019static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
1020{
1021 struct tm6000_fh *fh = priv;
1022
1023 return videobuf_dqbuf(&fh->vb_vidq, p,
1024 file->f_flags & O_NONBLOCK);
1025}
1026
1027static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1028{
1029 struct tm6000_fh *fh = priv;
1030 struct tm6000_core *dev = fh->dev;
1031
1032 if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1033 return -EINVAL;
1034 if (i != fh->type)
1035 return -EINVAL;
1036
1037 if (!res_get(dev, fh, false))
1038 return -EBUSY;
1039 return videobuf_streamon(&fh->vb_vidq);
1040}
1041
1042static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1043{
1044 struct tm6000_fh *fh = priv;
1045 struct tm6000_core *dev = fh->dev;
1046
1047 if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1048 return -EINVAL;
1049
1050 if (i != fh->type)
1051 return -EINVAL;
1052
1053 videobuf_streamoff(&fh->vb_vidq);
1054 res_free(dev, fh);
1055
1056 return 0;
1057}
1058
1059static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm)
1060{
1061 int rc = 0;
1062 struct tm6000_fh *fh = priv;
1063 struct tm6000_core *dev = fh->dev;
1064
1065 dev->norm = norm;
1066 rc = tm6000_init_analog_mode(dev);
1067
1068 fh->width = dev->width;
1069 fh->height = dev->height;
1070
1071 if (rc < 0)
1072 return rc;
1073
1074 v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm);
1075
1076 return 0;
1077}
1078
1079static const char *iname[] = {
1080 [TM6000_INPUT_TV] = "Television",
1081 [TM6000_INPUT_COMPOSITE1] = "Composite 1",
1082 [TM6000_INPUT_COMPOSITE2] = "Composite 2",
1083 [TM6000_INPUT_SVIDEO] = "S-Video",
1084};
1085
1086static int vidioc_enum_input(struct file *file, void *priv,
1087 struct v4l2_input *i)
1088{
1089 struct tm6000_fh *fh = priv;
1090 struct tm6000_core *dev = fh->dev;
1091 unsigned int n;
1092
1093 n = i->index;
1094 if (n >= 3)
1095 return -EINVAL;
1096
1097 if (!dev->vinput[n].type)
1098 return -EINVAL;
1099
1100 i->index = n;
1101
1102 if (dev->vinput[n].type == TM6000_INPUT_TV)
1103 i->type = V4L2_INPUT_TYPE_TUNER;
1104 else
1105 i->type = V4L2_INPUT_TYPE_CAMERA;
1106
1107 strcpy(i->name, iname[dev->vinput[n].type]);
1108
1109 i->std = TM6000_STD;
1110
1111 return 0;
1112}
1113
1114static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1115{
1116 struct tm6000_fh *fh = priv;
1117 struct tm6000_core *dev = fh->dev;
1118
1119 *i = dev->input;
1120
1121 return 0;
1122}
1123
1124static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
1125{
1126 struct tm6000_fh *fh = priv;
1127 struct tm6000_core *dev = fh->dev;
1128 int rc = 0;
1129
1130 if (i >= 3)
1131 return -EINVAL;
1132 if (!dev->vinput[i].type)
1133 return -EINVAL;
1134
1135 dev->input = i;
1136
1137 rc = vidioc_s_std(file, priv, dev->vfd->current_norm);
1138
1139 return rc;
1140}
1141
1142
1143
1144static int tm6000_s_ctrl(struct v4l2_ctrl *ctrl)
1145{
1146 struct tm6000_core *dev = container_of(ctrl->handler, struct tm6000_core, ctrl_handler);
1147 u8 val = ctrl->val;
1148
1149 switch (ctrl->id) {
1150 case V4L2_CID_CONTRAST:
1151 tm6000_set_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, val);
1152 return 0;
1153 case V4L2_CID_BRIGHTNESS:
1154 tm6000_set_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, val);
1155 return 0;
1156 case V4L2_CID_SATURATION:
1157 tm6000_set_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, val);
1158 return 0;
1159 case V4L2_CID_HUE:
1160 tm6000_set_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, val);
1161 return 0;
1162 }
1163 return -EINVAL;
1164}
1165
1166static const struct v4l2_ctrl_ops tm6000_ctrl_ops = {
1167 .s_ctrl = tm6000_s_ctrl,
1168};
1169
1170static int tm6000_radio_s_ctrl(struct v4l2_ctrl *ctrl)
1171{
1172 struct tm6000_core *dev = container_of(ctrl->handler,
1173 struct tm6000_core, radio_ctrl_handler);
1174 u8 val = ctrl->val;
1175
1176 switch (ctrl->id) {
1177 case V4L2_CID_AUDIO_MUTE:
1178 dev->ctl_mute = val;
1179 tm6000_tvaudio_set_mute(dev, val);
1180 return 0;
1181 case V4L2_CID_AUDIO_VOLUME:
1182 dev->ctl_volume = val;
1183 tm6000_set_volume(dev, val);
1184 return 0;
1185 }
1186 return -EINVAL;
1187}
1188
1189static const struct v4l2_ctrl_ops tm6000_radio_ctrl_ops = {
1190 .s_ctrl = tm6000_radio_s_ctrl,
1191};
1192
1193static int vidioc_g_tuner(struct file *file, void *priv,
1194 struct v4l2_tuner *t)
1195{
1196 struct tm6000_fh *fh = priv;
1197 struct tm6000_core *dev = fh->dev;
1198
1199 if (UNSET == dev->tuner_type)
1200 return -ENOTTY;
1201 if (0 != t->index)
1202 return -EINVAL;
1203
1204 strcpy(t->name, "Television");
1205 t->type = V4L2_TUNER_ANALOG_TV;
1206 t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO;
1207 t->rangehigh = 0xffffffffUL;
1208 t->rxsubchans = V4L2_TUNER_SUB_STEREO;
1209
1210 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t);
1211
1212 t->audmode = dev->amode;
1213
1214 return 0;
1215}
1216
1217static int vidioc_s_tuner(struct file *file, void *priv,
1218 const struct v4l2_tuner *t)
1219{
1220 struct tm6000_fh *fh = priv;
1221 struct tm6000_core *dev = fh->dev;
1222
1223 if (UNSET == dev->tuner_type)
1224 return -ENOTTY;
1225 if (0 != t->index)
1226 return -EINVAL;
1227
1228 if (t->audmode > V4L2_TUNER_MODE_STEREO)
1229 dev->amode = V4L2_TUNER_MODE_STEREO;
1230 else
1231 dev->amode = t->audmode;
1232 dprintk(dev, 3, "audio mode: %x\n", t->audmode);
1233
1234 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t);
1235
1236 return 0;
1237}
1238
1239static int vidioc_g_frequency(struct file *file, void *priv,
1240 struct v4l2_frequency *f)
1241{
1242 struct tm6000_fh *fh = priv;
1243 struct tm6000_core *dev = fh->dev;
1244
1245 if (UNSET == dev->tuner_type)
1246 return -ENOTTY;
1247 if (f->tuner)
1248 return -EINVAL;
1249
1250 f->frequency = dev->freq;
1251
1252 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, f);
1253
1254 return 0;
1255}
1256
1257static int vidioc_s_frequency(struct file *file, void *priv,
1258 const struct v4l2_frequency *f)
1259{
1260 struct tm6000_fh *fh = priv;
1261 struct tm6000_core *dev = fh->dev;
1262
1263 if (UNSET == dev->tuner_type)
1264 return -ENOTTY;
1265 if (f->tuner != 0)
1266 return -EINVAL;
1267
1268 dev->freq = f->frequency;
1269 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f);
1270
1271 return 0;
1272}
1273
1274static int radio_g_tuner(struct file *file, void *priv,
1275 struct v4l2_tuner *t)
1276{
1277 struct tm6000_fh *fh = file->private_data;
1278 struct tm6000_core *dev = fh->dev;
1279
1280 if (0 != t->index)
1281 return -EINVAL;
1282
1283 memset(t, 0, sizeof(*t));
1284 strcpy(t->name, "Radio");
1285 t->type = V4L2_TUNER_RADIO;
1286 t->capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO;
1287 t->rxsubchans = V4L2_TUNER_SUB_STEREO;
1288 t->audmode = V4L2_TUNER_MODE_STEREO;
1289
1290 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t);
1291
1292 return 0;
1293}
1294
1295static int radio_s_tuner(struct file *file, void *priv,
1296 const struct v4l2_tuner *t)
1297{
1298 struct tm6000_fh *fh = file->private_data;
1299 struct tm6000_core *dev = fh->dev;
1300
1301 if (0 != t->index)
1302 return -EINVAL;
1303 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t);
1304 return 0;
1305}
1306
1307
1308
1309
1310
1311static int __tm6000_open(struct file *file)
1312{
1313 struct video_device *vdev = video_devdata(file);
1314 struct tm6000_core *dev = video_drvdata(file);
1315 struct tm6000_fh *fh;
1316 enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1317 int rc;
1318 int radio = 0;
1319
1320 dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: open called (dev=%s)\n",
1321 video_device_node_name(vdev));
1322
1323 switch (vdev->vfl_type) {
1324 case VFL_TYPE_GRABBER:
1325 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1326 break;
1327 case VFL_TYPE_VBI:
1328 type = V4L2_BUF_TYPE_VBI_CAPTURE;
1329 break;
1330 case VFL_TYPE_RADIO:
1331 radio = 1;
1332 break;
1333 }
1334
1335
1336 dev->users++;
1337
1338 dprintk(dev, V4L2_DEBUG_OPEN, "open dev=%s type=%s users=%d\n",
1339 video_device_node_name(vdev), v4l2_type_names[type],
1340 dev->users);
1341
1342
1343 fh = kzalloc(sizeof(*fh), GFP_KERNEL);
1344 if (NULL == fh) {
1345 dev->users--;
1346 return -ENOMEM;
1347 }
1348
1349 v4l2_fh_init(&fh->fh, vdev);
1350 file->private_data = fh;
1351 fh->dev = dev;
1352 fh->radio = radio;
1353 dev->radio = radio;
1354 fh->type = type;
1355 dev->fourcc = format[0].fourcc;
1356
1357 fh->fmt = format_by_fourcc(dev->fourcc);
1358
1359 tm6000_get_std_res(dev);
1360
1361 fh->width = dev->width;
1362 fh->height = dev->height;
1363
1364 dprintk(dev, V4L2_DEBUG_OPEN, "Open: fh=0x%08lx, dev=0x%08lx, "
1365 "dev->vidq=0x%08lx\n",
1366 (unsigned long)fh, (unsigned long)dev,
1367 (unsigned long)&dev->vidq);
1368 dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty "
1369 "queued=%d\n", list_empty(&dev->vidq.queued));
1370 dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty "
1371 "active=%d\n", list_empty(&dev->vidq.active));
1372
1373
1374 rc = tm6000_init_analog_mode(dev);
1375 if (rc < 0)
1376 return rc;
1377
1378 dev->mode = TM6000_MODE_ANALOG;
1379
1380 if (!fh->radio) {
1381 videobuf_queue_vmalloc_init(&fh->vb_vidq, &tm6000_video_qops,
1382 NULL, &dev->slock,
1383 fh->type,
1384 V4L2_FIELD_INTERLACED,
1385 sizeof(struct tm6000_buffer), fh, &dev->lock);
1386 } else {
1387 dprintk(dev, V4L2_DEBUG_OPEN, "video_open: setting radio device\n");
1388 tm6000_set_audio_rinput(dev);
1389 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_radio);
1390 tm6000_prepare_isoc(dev);
1391 tm6000_start_thread(dev);
1392 }
1393 v4l2_fh_add(&fh->fh);
1394
1395 return 0;
1396}
1397
1398static int tm6000_open(struct file *file)
1399{
1400 struct video_device *vdev = video_devdata(file);
1401 int res;
1402
1403 mutex_lock(vdev->lock);
1404 res = __tm6000_open(file);
1405 mutex_unlock(vdev->lock);
1406 return res;
1407}
1408
1409static ssize_t
1410tm6000_read(struct file *file, char __user *data, size_t count, loff_t *pos)
1411{
1412 struct tm6000_fh *fh = file->private_data;
1413 struct tm6000_core *dev = fh->dev;
1414
1415 if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
1416 int res;
1417
1418 if (!res_get(fh->dev, fh, true))
1419 return -EBUSY;
1420
1421 if (mutex_lock_interruptible(&dev->lock))
1422 return -ERESTARTSYS;
1423 res = videobuf_read_stream(&fh->vb_vidq, data, count, pos, 0,
1424 file->f_flags & O_NONBLOCK);
1425 mutex_unlock(&dev->lock);
1426 return res;
1427 }
1428 return 0;
1429}
1430
1431static unsigned int
1432__tm6000_poll(struct file *file, struct poll_table_struct *wait)
1433{
1434 unsigned long req_events = poll_requested_events(wait);
1435 struct tm6000_fh *fh = file->private_data;
1436 struct tm6000_buffer *buf;
1437 int res = 0;
1438
1439 if (v4l2_event_pending(&fh->fh))
1440 res = POLLPRI;
1441 else if (req_events & POLLPRI)
1442 poll_wait(file, &fh->fh.wait, wait);
1443 if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type)
1444 return res | POLLERR;
1445
1446 if (!!is_res_streaming(fh->dev, fh))
1447 return res | POLLERR;
1448
1449 if (!is_res_read(fh->dev, fh)) {
1450
1451 if (list_empty(&fh->vb_vidq.stream))
1452 return res | POLLERR;
1453 buf = list_entry(fh->vb_vidq.stream.next, struct tm6000_buffer, vb.stream);
1454 poll_wait(file, &buf->vb.done, wait);
1455 if (buf->vb.state == VIDEOBUF_DONE ||
1456 buf->vb.state == VIDEOBUF_ERROR)
1457 return res | POLLIN | POLLRDNORM;
1458 } else if (req_events & (POLLIN | POLLRDNORM)) {
1459
1460 return res | videobuf_poll_stream(file, &fh->vb_vidq, wait);
1461 }
1462 return res;
1463}
1464
1465static unsigned int tm6000_poll(struct file *file, struct poll_table_struct *wait)
1466{
1467 struct tm6000_fh *fh = file->private_data;
1468 struct tm6000_core *dev = fh->dev;
1469 unsigned int res;
1470
1471 mutex_lock(&dev->lock);
1472 res = __tm6000_poll(file, wait);
1473 mutex_unlock(&dev->lock);
1474 return res;
1475}
1476
1477static int tm6000_release(struct file *file)
1478{
1479 struct tm6000_fh *fh = file->private_data;
1480 struct tm6000_core *dev = fh->dev;
1481 struct video_device *vdev = video_devdata(file);
1482
1483 dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: close called (dev=%s, users=%d)\n",
1484 video_device_node_name(vdev), dev->users);
1485
1486 mutex_lock(&dev->lock);
1487 dev->users--;
1488
1489 res_free(dev, fh);
1490
1491 if (!dev->users) {
1492 tm6000_uninit_isoc(dev);
1493
1494
1495 tm6000_ir_int_stop(dev);
1496
1497 usb_reset_configuration(dev->udev);
1498
1499 if (dev->int_in.endp)
1500 usb_set_interface(dev->udev,
1501 dev->isoc_in.bInterfaceNumber, 2);
1502 else
1503 usb_set_interface(dev->udev,
1504 dev->isoc_in.bInterfaceNumber, 0);
1505
1506
1507 tm6000_ir_int_start(dev);
1508
1509 if (!fh->radio)
1510 videobuf_mmap_free(&fh->vb_vidq);
1511 }
1512 v4l2_fh_del(&fh->fh);
1513 v4l2_fh_exit(&fh->fh);
1514 kfree(fh);
1515 mutex_unlock(&dev->lock);
1516
1517 return 0;
1518}
1519
1520static int tm6000_mmap(struct file *file, struct vm_area_struct * vma)
1521{
1522 struct tm6000_fh *fh = file->private_data;
1523 struct tm6000_core *dev = fh->dev;
1524 int res;
1525
1526 if (mutex_lock_interruptible(&dev->lock))
1527 return -ERESTARTSYS;
1528 res = videobuf_mmap_mapper(&fh->vb_vidq, vma);
1529 mutex_unlock(&dev->lock);
1530 return res;
1531}
1532
1533static struct v4l2_file_operations tm6000_fops = {
1534 .owner = THIS_MODULE,
1535 .open = tm6000_open,
1536 .release = tm6000_release,
1537 .unlocked_ioctl = video_ioctl2,
1538 .read = tm6000_read,
1539 .poll = tm6000_poll,
1540 .mmap = tm6000_mmap,
1541};
1542
1543static const struct v4l2_ioctl_ops video_ioctl_ops = {
1544 .vidioc_querycap = vidioc_querycap,
1545 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1546 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1547 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1548 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1549 .vidioc_s_std = vidioc_s_std,
1550 .vidioc_enum_input = vidioc_enum_input,
1551 .vidioc_g_input = vidioc_g_input,
1552 .vidioc_s_input = vidioc_s_input,
1553 .vidioc_g_tuner = vidioc_g_tuner,
1554 .vidioc_s_tuner = vidioc_s_tuner,
1555 .vidioc_g_frequency = vidioc_g_frequency,
1556 .vidioc_s_frequency = vidioc_s_frequency,
1557 .vidioc_streamon = vidioc_streamon,
1558 .vidioc_streamoff = vidioc_streamoff,
1559 .vidioc_reqbufs = vidioc_reqbufs,
1560 .vidioc_querybuf = vidioc_querybuf,
1561 .vidioc_qbuf = vidioc_qbuf,
1562 .vidioc_dqbuf = vidioc_dqbuf,
1563 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1564 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1565};
1566
1567static struct video_device tm6000_template = {
1568 .name = "tm6000",
1569 .fops = &tm6000_fops,
1570 .ioctl_ops = &video_ioctl_ops,
1571 .release = video_device_release,
1572 .tvnorms = TM6000_STD,
1573 .current_norm = V4L2_STD_NTSC_M,
1574};
1575
1576static const struct v4l2_file_operations radio_fops = {
1577 .owner = THIS_MODULE,
1578 .open = tm6000_open,
1579 .poll = v4l2_ctrl_poll,
1580 .release = tm6000_release,
1581 .unlocked_ioctl = video_ioctl2,
1582};
1583
1584static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1585 .vidioc_querycap = vidioc_querycap,
1586 .vidioc_g_tuner = radio_g_tuner,
1587 .vidioc_s_tuner = radio_s_tuner,
1588 .vidioc_g_frequency = vidioc_g_frequency,
1589 .vidioc_s_frequency = vidioc_s_frequency,
1590 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1591 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1592};
1593
1594static struct video_device tm6000_radio_template = {
1595 .name = "tm6000",
1596 .fops = &radio_fops,
1597 .ioctl_ops = &radio_ioctl_ops,
1598};
1599
1600
1601
1602
1603
1604
1605static struct video_device *vdev_init(struct tm6000_core *dev,
1606 const struct video_device
1607 *template, const char *type_name)
1608{
1609 struct video_device *vfd;
1610
1611 vfd = video_device_alloc();
1612 if (NULL == vfd)
1613 return NULL;
1614
1615 *vfd = *template;
1616 vfd->v4l2_dev = &dev->v4l2_dev;
1617 vfd->release = video_device_release;
1618 vfd->debug = tm6000_debug;
1619 vfd->lock = &dev->lock;
1620 set_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags);
1621
1622 snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name);
1623
1624 video_set_drvdata(vfd, dev);
1625 return vfd;
1626}
1627
1628int tm6000_v4l2_register(struct tm6000_core *dev)
1629{
1630 int ret = 0;
1631
1632 v4l2_ctrl_handler_init(&dev->ctrl_handler, 6);
1633 v4l2_ctrl_handler_init(&dev->radio_ctrl_handler, 2);
1634 v4l2_ctrl_new_std(&dev->radio_ctrl_handler, &tm6000_radio_ctrl_ops,
1635 V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
1636 v4l2_ctrl_new_std(&dev->radio_ctrl_handler, &tm6000_radio_ctrl_ops,
1637 V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0);
1638 v4l2_ctrl_new_std(&dev->ctrl_handler, &tm6000_ctrl_ops,
1639 V4L2_CID_BRIGHTNESS, 0, 255, 1, 54);
1640 v4l2_ctrl_new_std(&dev->ctrl_handler, &tm6000_ctrl_ops,
1641 V4L2_CID_CONTRAST, 0, 255, 1, 119);
1642 v4l2_ctrl_new_std(&dev->ctrl_handler, &tm6000_ctrl_ops,
1643 V4L2_CID_SATURATION, 0, 255, 1, 112);
1644 v4l2_ctrl_new_std(&dev->ctrl_handler, &tm6000_ctrl_ops,
1645 V4L2_CID_HUE, -128, 127, 1, 0);
1646 v4l2_ctrl_add_handler(&dev->ctrl_handler,
1647 &dev->radio_ctrl_handler, NULL);
1648
1649 if (dev->radio_ctrl_handler.error)
1650 ret = dev->radio_ctrl_handler.error;
1651 if (!ret && dev->ctrl_handler.error)
1652 ret = dev->ctrl_handler.error;
1653 if (ret)
1654 goto free_ctrl;
1655
1656 dev->vfd = vdev_init(dev, &tm6000_template, "video");
1657
1658 if (!dev->vfd) {
1659 printk(KERN_INFO "%s: can't register video device\n",
1660 dev->name);
1661 ret = -ENOMEM;
1662 goto free_ctrl;
1663 }
1664 dev->vfd->ctrl_handler = &dev->ctrl_handler;
1665
1666
1667 INIT_LIST_HEAD(&dev->vidq.active);
1668 INIT_LIST_HEAD(&dev->vidq.queued);
1669
1670 ret = video_register_device(dev->vfd, VFL_TYPE_GRABBER, video_nr);
1671
1672 if (ret < 0) {
1673 printk(KERN_INFO "%s: can't register video device\n",
1674 dev->name);
1675 video_device_release(dev->vfd);
1676 dev->vfd = NULL;
1677 goto free_ctrl;
1678 }
1679
1680 printk(KERN_INFO "%s: registered device %s\n",
1681 dev->name, video_device_node_name(dev->vfd));
1682
1683 if (dev->caps.has_radio) {
1684 dev->radio_dev = vdev_init(dev, &tm6000_radio_template,
1685 "radio");
1686 if (!dev->radio_dev) {
1687 printk(KERN_INFO "%s: can't register radio device\n",
1688 dev->name);
1689 ret = -ENXIO;
1690 goto unreg_video;
1691 }
1692
1693 dev->radio_dev->ctrl_handler = &dev->radio_ctrl_handler;
1694 ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO,
1695 radio_nr);
1696 if (ret < 0) {
1697 printk(KERN_INFO "%s: can't register radio device\n",
1698 dev->name);
1699 video_device_release(dev->radio_dev);
1700 goto unreg_video;
1701 }
1702
1703 printk(KERN_INFO "%s: registered device %s\n",
1704 dev->name, video_device_node_name(dev->radio_dev));
1705 }
1706
1707 printk(KERN_INFO "Trident TVMaster TM5600/TM6000/TM6010 USB2 board (Load status: %d)\n", ret);
1708 return ret;
1709
1710unreg_video:
1711 video_unregister_device(dev->vfd);
1712free_ctrl:
1713 v4l2_ctrl_handler_free(&dev->ctrl_handler);
1714 v4l2_ctrl_handler_free(&dev->radio_ctrl_handler);
1715 return ret;
1716}
1717
1718int tm6000_v4l2_unregister(struct tm6000_core *dev)
1719{
1720 video_unregister_device(dev->vfd);
1721
1722
1723 tm6000_free_urb_buffers(dev);
1724
1725 if (dev->radio_dev) {
1726 if (video_is_registered(dev->radio_dev))
1727 video_unregister_device(dev->radio_dev);
1728 else
1729 video_device_release(dev->radio_dev);
1730 dev->radio_dev = NULL;
1731 }
1732
1733 return 0;
1734}
1735
1736int tm6000_v4l2_exit(void)
1737{
1738 return 0;
1739}
1740
1741module_param(video_nr, int, 0);
1742MODULE_PARM_DESC(video_nr, "Allow changing video device number");
1743
1744module_param_named(debug, tm6000_debug, int, 0444);
1745MODULE_PARM_DESC(debug, "activates debug info");
1746
1747module_param(vid_limit, int, 0644);
1748MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
1749
1750module_param(keep_urb, bool, 0);
1751MODULE_PARM_DESC(keep_urb, "Keep urb buffers allocated even when the device is closed by the user");
1752