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