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RT-AC56 3.0.0.4.374.37 core
[tomato.git] / release / src-rt-6.x.4708 / linux / linux-2.6.36 / drivers / staging / solo6x10 / solo6010-v4l2.c
blobe0325675b3daf4952d9a25003c35a0a27ecb3ec0
1 /*
2 * Copyright (C) 2010 Bluecherry, LLC www.bluecherrydvr.com
3 * Copyright (C) 2010 Ben Collins <bcollins@bluecherry.net>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 */
19
20 #include <linux/kernel.h>
21 #include <linux/module.h>
22 #include <linux/kthread.h>
23 #include <linux/freezer.h>
24
25 #include <media/v4l2-ioctl.h>
26 #include <media/v4l2-common.h>
27 #include <media/videobuf-dma-contig.h>
28
29 #include "solo6010.h"
30 #include "solo6010-tw28.h"
31
32 #define SOLO_HW_BPL 2048
33 #define SOLO_DISP_PIX_FIELD V4L2_FIELD_INTERLACED
34 #define SOLO_DISP_BUF_SIZE (64 * 1024) // 64k
35
36 /* Image size is two fields, SOLO_HW_BPL is one horizontal line */
37 #define solo_vlines(__solo) (__solo->video_vsize * 2)
38 #define solo_image_size(__solo) (solo_bytesperline(__solo) * \
39 solo_vlines(__solo))
40 #define solo_bytesperline(__solo) (__solo->video_hsize * 2)
41
42 #define MIN_VID_BUFFERS 4
43
44 /* Simple file handle */
45 struct solo_filehandle {
46 struct solo6010_dev *solo_dev;
47 struct videobuf_queue vidq;
48 struct task_struct *kthread;
49 spinlock_t slock;
50 int old_write;
51 struct list_head vidq_active;
52 };
53
54 unsigned video_nr = -1;
55 module_param(video_nr, uint, 0644);
56 MODULE_PARM_DESC(video_nr, "videoX start number, -1 is autodetect (default)");
57
58 static void erase_on(struct solo6010_dev *solo_dev)
59 {
60 solo_reg_write(solo_dev, SOLO_VO_DISP_ERASE, SOLO_VO_DISP_ERASE_ON);
61 solo_dev->erasing = 1;
62 solo_dev->frame_blank = 0;
63 }
64
65 static int erase_off(struct solo6010_dev *solo_dev)
66 {
67 if (!solo_dev->erasing)
68 return 0;
69
70 /* First time around, assert erase off */
71 if (!solo_dev->frame_blank)
72 solo_reg_write(solo_dev, SOLO_VO_DISP_ERASE, 0);
73 /* Keep the erasing flag on for 8 frames minimum */
74 if (solo_dev->frame_blank++ >= 8)
75 solo_dev->erasing = 0;
76
77 return 1;
78 }
79
80 void solo_video_in_isr(struct solo6010_dev *solo_dev)
81 {
82 solo_reg_write(solo_dev, SOLO_IRQ_STAT, SOLO_IRQ_VIDEO_IN);
83 wake_up_interruptible(&solo_dev->disp_thread_wait);
84 }
85
86 static void solo_win_setup(struct solo6010_dev *solo_dev, u8 ch,
87 int sx, int sy, int ex, int ey, int scale)
88 {
89 if (ch >= solo_dev->nr_chans)
90 return;
91
92 /* Here, we just keep window/channel the same */
93 solo_reg_write(solo_dev, SOLO_VI_WIN_CTRL0(ch),
94 SOLO_VI_WIN_CHANNEL(ch) |
95 SOLO_VI_WIN_SX(sx) |
96 SOLO_VI_WIN_EX(ex) |
97 SOLO_VI_WIN_SCALE(scale));
98
99 solo_reg_write(solo_dev, SOLO_VI_WIN_CTRL1(ch),
100 SOLO_VI_WIN_SY(sy) |
101 SOLO_VI_WIN_EY(ey));
102 }
103
104 static int solo_v4l2_ch_ext_4up(struct solo6010_dev *solo_dev, u8 idx, int on)
105 {
106 u8 ch = idx * 4;
107
108 if (ch >= solo_dev->nr_chans)
109 return -EINVAL;
110
111 if (!on) {
112 u8 i;
113 for (i = ch; i < ch + 4; i++)
114 solo_win_setup(solo_dev, i, solo_dev->video_hsize,
115 solo_vlines(solo_dev),
116 solo_dev->video_hsize,
117 solo_vlines(solo_dev), 0);
118 return 0;
119 }
120
121 /* Row 1 */
122 solo_win_setup(solo_dev, ch, 0, 0, solo_dev->video_hsize / 2,
123 solo_vlines(solo_dev) / 2, 3);
124 solo_win_setup(solo_dev, ch + 1, solo_dev->video_hsize / 2, 0,
125 solo_dev->video_hsize, solo_vlines(solo_dev) / 2, 3);
126 /* Row 2 */
127 solo_win_setup(solo_dev, ch + 2, 0, solo_vlines(solo_dev) / 2,
128 solo_dev->video_hsize / 2, solo_vlines(solo_dev), 3);
129 solo_win_setup(solo_dev, ch + 3, solo_dev->video_hsize / 2,
130 solo_vlines(solo_dev) / 2, solo_dev->video_hsize,
131 solo_vlines(solo_dev), 3);
132
133 return 0;
134 }
135
136 static int solo_v4l2_ch_ext_16up(struct solo6010_dev *solo_dev, int on)
137 {
138 int sy, ysize, hsize, i;
139
140 if (!on) {
141 for (i = 0; i < 16; i++)
142 solo_win_setup(solo_dev, i, solo_dev->video_hsize,
143 solo_vlines(solo_dev),
144 solo_dev->video_hsize,
145 solo_vlines(solo_dev), 0);
146 return 0;
147 }
148
149 ysize = solo_vlines(solo_dev) / 4;
150 hsize = solo_dev->video_hsize / 4;
151
152 for (sy = 0, i = 0; i < 4; i++, sy += ysize) {
153 solo_win_setup(solo_dev, i * 4, 0, sy, hsize,
154 sy + ysize, 5);
155 solo_win_setup(solo_dev, (i * 4) + 1, hsize, sy,
156 hsize * 2, sy + ysize, 5);
157 solo_win_setup(solo_dev, (i * 4) + 2, hsize * 2, sy,
158 hsize * 3, sy + ysize, 5);
159 solo_win_setup(solo_dev, (i * 4) + 3, hsize * 3, sy,
160 solo_dev->video_hsize, sy + ysize, 5);
161 }
162
163 return 0;
164 }
165
166 static int solo_v4l2_ch(struct solo6010_dev *solo_dev, u8 ch, int on)
167 {
168 u8 ext_ch;
169
170 if (ch < solo_dev->nr_chans) {
171 solo_win_setup(solo_dev, ch, on ? 0 : solo_dev->video_hsize,
172 on ? 0 : solo_vlines(solo_dev),
173 solo_dev->video_hsize, solo_vlines(solo_dev),
174 on ? 1 : 0);
175 return 0;
176 }
177
178 if (ch >= solo_dev->nr_chans + solo_dev->nr_ext)
179 return -EINVAL;
180
181 ext_ch = ch - solo_dev->nr_chans;
182
183 /* 4up's first */
184 if (ext_ch < 4)
185 return solo_v4l2_ch_ext_4up(solo_dev, ext_ch, on);
186
187 /* Remaining case is 16up for 16-port */
188 return solo_v4l2_ch_ext_16up(solo_dev, on);
189 }
190
191 static int solo_v4l2_set_ch(struct solo6010_dev *solo_dev, u8 ch)
192 {
193 if (ch >= solo_dev->nr_chans + solo_dev->nr_ext)
194 return -EINVAL;
195
196 erase_on(solo_dev);
197
198 solo_v4l2_ch(solo_dev, solo_dev->cur_disp_ch, 0);
199 solo_v4l2_ch(solo_dev, ch, 1);
200
201 solo_dev->cur_disp_ch = ch;
202
203 return 0;
204 }
205
206 static void solo_fillbuf(struct solo_filehandle *fh,
207 struct videobuf_buffer *vb)
208 {
209 struct solo6010_dev *solo_dev = fh->solo_dev;
210 dma_addr_t vbuf;
211 unsigned int fdma_addr;
212 int frame_size;
213 int error = 1;
214 int i;
215
216 if (!(vbuf = videobuf_to_dma_contig(vb)))
217 goto finish_buf;
218
219 if (erase_off(solo_dev)) {
220 void *p = videobuf_queue_to_vaddr(&fh->vidq, vb);
221 int image_size = solo_image_size(solo_dev);
222 for (i = 0; i < image_size; i += 2) {
223 ((u8 *)p)[i] = 0x80;
224 ((u8 *)p)[i + 1] = 0x00;
225 }
226 error = 0;
227 goto finish_buf;
228 }
229
230 frame_size = SOLO_HW_BPL * solo_vlines(solo_dev);
231 fdma_addr = SOLO_DISP_EXT_ADDR(solo_dev) + (fh->old_write * frame_size);
232
233 for (i = 0; i < frame_size / SOLO_DISP_BUF_SIZE; i++) {
234 int j;
235 for (j = 0; j < (SOLO_DISP_BUF_SIZE / SOLO_HW_BPL); j++) {
236 if (solo_p2m_dma_t(solo_dev, SOLO_P2M_DMA_ID_DISP, 0,
237 vbuf, fdma_addr + (j * SOLO_HW_BPL),
238 solo_bytesperline(solo_dev)))
239 goto finish_buf;
240 vbuf += solo_bytesperline(solo_dev);
241 }
242 fdma_addr += SOLO_DISP_BUF_SIZE;
243 }
244 error = 0;
245
246 finish_buf:
247 if (error) {
248 vb->state = VIDEOBUF_ERROR;
249 } else {
250 vb->state = VIDEOBUF_DONE;
251 vb->field_count++;
252 do_gettimeofday(&vb->ts);
253 }
254
255 wake_up(&vb->done);
256
257 return;
258 }
259
260 static void solo_thread_try(struct solo_filehandle *fh)
261 {
262 struct videobuf_buffer *vb;
263 unsigned int cur_write;
264
265 for (;;) {
266 spin_lock(&fh->slock);
267
268 if (list_empty(&fh->vidq_active))
269 break;
270
271 vb = list_first_entry(&fh->vidq_active, struct videobuf_buffer,
272 queue);
273
274 if (!waitqueue_active(&vb->done))
275 break;
276
277 cur_write = SOLO_VI_STATUS0_PAGE(solo_reg_read(fh->solo_dev,
278 SOLO_VI_STATUS0));
279 if (cur_write == fh->old_write)
280 break;
281
282 fh->old_write = cur_write;
283 list_del(&vb->queue);
284
285 spin_unlock(&fh->slock);
286
287 solo_fillbuf(fh, vb);
288 }
289
290 assert_spin_locked(&fh->slock);
291 spin_unlock(&fh->slock);
292 }
293
294 static int solo_thread(void *data)
295 {
296 struct solo_filehandle *fh = data;
297 struct solo6010_dev *solo_dev = fh->solo_dev;
298 DECLARE_WAITQUEUE(wait, current);
299
300 set_freezable();
301 add_wait_queue(&solo_dev->disp_thread_wait, &wait);
302
303 for (;;) {
304 long timeout = schedule_timeout_interruptible(HZ);
305 if (timeout == -ERESTARTSYS || kthread_should_stop())
306 break;
307 solo_thread_try(fh);
308 try_to_freeze();
309 }
310
311 remove_wait_queue(&solo_dev->disp_thread_wait, &wait);
312
313 return 0;
314 }
315
316 static int solo_start_thread(struct solo_filehandle *fh)
317 {
318 fh->kthread = kthread_run(solo_thread, fh, SOLO6010_NAME "_disp");
319
320 if (IS_ERR(fh->kthread))
321 return PTR_ERR(fh->kthread);
322
323 return 0;
324 }
325
326 static void solo_stop_thread(struct solo_filehandle *fh)
327 {
328 if (fh->kthread) {
329 kthread_stop(fh->kthread);
330 fh->kthread = NULL;
331 }
332 }
333
334 static int solo_buf_setup(struct videobuf_queue *vq, unsigned int *count,
335 unsigned int *size)
336 {
337 struct solo_filehandle *fh = vq->priv_data;
338 struct solo6010_dev *solo_dev = fh->solo_dev;
339
340 *size = solo_image_size(solo_dev);
341
342 if (*count < MIN_VID_BUFFERS)
343 *count = MIN_VID_BUFFERS;
344
345 return 0;
346 }
347
348 static int solo_buf_prepare(struct videobuf_queue *vq,
349 struct videobuf_buffer *vb, enum v4l2_field field)
350 {
351 struct solo_filehandle *fh = vq->priv_data;
352 struct solo6010_dev *solo_dev = fh->solo_dev;
353
354 vb->size = solo_image_size(solo_dev);
355 if (vb->baddr != 0 && vb->bsize < vb->size)
356 return -EINVAL;
357
358 vb->width = solo_dev->video_hsize;
359 vb->height = solo_vlines(solo_dev);
360 vb->bytesperline = solo_bytesperline(solo_dev);
361 vb->field = field;
362
363 if (vb->state == VIDEOBUF_NEEDS_INIT) {
364 int rc = videobuf_iolock(vq, vb, NULL);
365 if (rc < 0) {
366 videobuf_dma_contig_free(vq, vb);
367 vb->state = VIDEOBUF_NEEDS_INIT;
368 return rc;
369 }
370 }
371 vb->state = VIDEOBUF_PREPARED;
372
373 return 0;
374 }
375
376 static void solo_buf_queue(struct videobuf_queue *vq,
377 struct videobuf_buffer *vb)
378 {
379 struct solo_filehandle *fh = vq->priv_data;
380 struct solo6010_dev *solo_dev = fh->solo_dev;
381
382 vb->state = VIDEOBUF_QUEUED;
383 list_add_tail(&vb->queue, &fh->vidq_active);
384 wake_up_interruptible(&solo_dev->disp_thread_wait);
385 }
386
387 static void solo_buf_release(struct videobuf_queue *vq,
388 struct videobuf_buffer *vb)
389 {
390 videobuf_dma_contig_free(vq, vb);
391 vb->state = VIDEOBUF_NEEDS_INIT;
392 }
393
394 static struct videobuf_queue_ops solo_video_qops = {
395 .buf_setup = solo_buf_setup,
396 .buf_prepare = solo_buf_prepare,
397 .buf_queue = solo_buf_queue,
398 .buf_release = solo_buf_release,
399 };
400
401 static unsigned int solo_v4l2_poll(struct file *file,
402 struct poll_table_struct *wait)
403 {
404 struct solo_filehandle *fh = file->private_data;
405
406 return videobuf_poll_stream(file, &fh->vidq, wait);
407 }
408
409 static int solo_v4l2_mmap(struct file *file, struct vm_area_struct *vma)
410 {
411 struct solo_filehandle *fh = file->private_data;
412
413 return videobuf_mmap_mapper(&fh->vidq, vma);
414 }
415
416 static int solo_v4l2_open(struct file *file)
417 {
418 struct solo6010_dev *solo_dev = video_drvdata(file);
419 struct solo_filehandle *fh;
420 int ret;
421
422 if ((fh = kzalloc(sizeof(*fh), GFP_KERNEL)) == NULL)
423 return -ENOMEM;
424
425 spin_lock_init(&fh->slock);
426 INIT_LIST_HEAD(&fh->vidq_active);
427 fh->solo_dev = solo_dev;
428 file->private_data = fh;
429
430 if ((ret = solo_start_thread(fh))) {
431 kfree(fh);
432 return ret;
433 }
434
435 videobuf_queue_dma_contig_init(&fh->vidq, &solo_video_qops,
436 &solo_dev->pdev->dev, &fh->slock,
437 V4L2_BUF_TYPE_VIDEO_CAPTURE,
438 SOLO_DISP_PIX_FIELD,
439 sizeof(struct videobuf_buffer), fh);
440
441 return 0;
442 }
443
444 static ssize_t solo_v4l2_read(struct file *file, char __user *data,
445 size_t count, loff_t *ppos)
446 {
447 struct solo_filehandle *fh = file->private_data;
448
449 return videobuf_read_stream(&fh->vidq, data, count, ppos, 0,
450 file->f_flags & O_NONBLOCK);
451 }
452
453 static int solo_v4l2_release(struct file *file)
454 {
455 struct solo_filehandle *fh = file->private_data;
456
457 videobuf_stop(&fh->vidq);
458 videobuf_mmap_free(&fh->vidq);
459 solo_stop_thread(fh);
460 kfree(fh);
461
462 return 0;
463 }
464
465 static int solo_querycap(struct file *file, void *priv,
466 struct v4l2_capability *cap)
467 {
468 struct solo_filehandle *fh = priv;
469 struct solo6010_dev *solo_dev = fh->solo_dev;
470
471 strcpy(cap->driver, SOLO6010_NAME);
472 strcpy(cap->card, "Softlogic 6010");
473 snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI %s",
474 pci_name(solo_dev->pdev));
475 cap->version = SOLO6010_VER_NUM;
476 cap->capabilities = V4L2_CAP_VIDEO_CAPTURE |
477 V4L2_CAP_READWRITE |
478 V4L2_CAP_STREAMING;
479 return 0;
480 }
481
482 static int solo_enum_ext_input(struct solo6010_dev *solo_dev,
483 struct v4l2_input *input)
484 {
485 static const char *dispnames_1[] = { "4UP" };
486 static const char *dispnames_2[] = { "4UP-1", "4UP-2" };
487 static const char *dispnames_5[] = {
488 "4UP-1", "4UP-2", "4UP-3", "4UP-4", "16UP"
489 };
490 const char **dispnames;
491
492 if (input->index >= (solo_dev->nr_chans + solo_dev->nr_ext))
493 return -EINVAL;
494
495 if (solo_dev->nr_ext == 5)
496 dispnames = dispnames_5;
497 else if (solo_dev->nr_ext == 2)
498 dispnames = dispnames_2;
499 else
500 dispnames = dispnames_1;
501
502 snprintf(input->name, sizeof(input->name), "Multi %s",
503 dispnames[input->index - solo_dev->nr_chans]);
504
505 return 0;
506 }
507
508 static int solo_enum_input(struct file *file, void *priv,
509 struct v4l2_input *input)
510 {
511 struct solo_filehandle *fh = priv;
512 struct solo6010_dev *solo_dev = fh->solo_dev;
513
514 if (input->index >= solo_dev->nr_chans) {
515 int ret = solo_enum_ext_input(solo_dev, input);
516 if (ret < 0)
517 return ret;
518 } else {
519 snprintf(input->name, sizeof(input->name), "Camera %d",
520 input->index + 1);
521
522 /* We can only check this for normal inputs */
523 if (!tw28_get_video_status(solo_dev, input->index))
524 input->status = V4L2_IN_ST_NO_SIGNAL;
525 }
526
527 input->type = V4L2_INPUT_TYPE_CAMERA;
528
529 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC)
530 input->std = V4L2_STD_NTSC_M;
531 else
532 input->std = V4L2_STD_PAL_M;
533
534 return 0;
535 }
536
537 static int solo_set_input(struct file *file, void *priv, unsigned int index)
538 {
539 struct solo_filehandle *fh = priv;
540
541 return solo_v4l2_set_ch(fh->solo_dev, index);
542 }
543
544 static int solo_get_input(struct file *file, void *priv, unsigned int *index)
545 {
546 struct solo_filehandle *fh = priv;
547
548 *index = fh->solo_dev->cur_disp_ch;
549
550 return 0;
551 }
552
553 static int solo_enum_fmt_cap(struct file *file, void *priv,
554 struct v4l2_fmtdesc *f)
555 {
556 if (f->index)
557 return -EINVAL;
558
559 f->pixelformat = V4L2_PIX_FMT_UYVY;
560 strlcpy(f->description, "UYUV 4:2:2 Packed", sizeof(f->description));
561
562 return 0;
563 }
564
565 static int solo_try_fmt_cap(struct file *file, void *priv,
566 struct v4l2_format *f)
567 {
568 struct solo_filehandle *fh = priv;
569 struct solo6010_dev *solo_dev = fh->solo_dev;
570 struct v4l2_pix_format *pix = &f->fmt.pix;
571 int image_size = solo_image_size(solo_dev);
572
573 /* Check supported sizes */
574 if (pix->width != solo_dev->video_hsize)
575 pix->width = solo_dev->video_hsize;
576 if (pix->height != solo_vlines(solo_dev))
577 pix->height = solo_vlines(solo_dev);
578 if (pix->sizeimage != image_size)
579 pix->sizeimage = image_size;
580
581 /* Check formats */
582 if (pix->field == V4L2_FIELD_ANY)
583 pix->field = SOLO_DISP_PIX_FIELD;
584
585 if (pix->pixelformat != V4L2_PIX_FMT_UYVY ||
586 pix->field != SOLO_DISP_PIX_FIELD ||
587 pix->colorspace != V4L2_COLORSPACE_SMPTE170M)
588 return -EINVAL;
589
590 return 0;
591 }
592
593 static int solo_set_fmt_cap(struct file *file, void *priv,
594 struct v4l2_format *f)
595 {
596 struct solo_filehandle *fh = priv;
597
598 if (videobuf_queue_is_busy(&fh->vidq))
599 return -EBUSY;
600
601 /* For right now, if it doesn't match our running config,
602 * then fail */
603 return solo_try_fmt_cap(file, priv, f);
604 }
605
606 static int solo_get_fmt_cap(struct file *file, void *priv,
607 struct v4l2_format *f)
608 {
609 struct solo_filehandle *fh = priv;
610 struct solo6010_dev *solo_dev = fh->solo_dev;
611 struct v4l2_pix_format *pix = &f->fmt.pix;
612
613 pix->width = solo_dev->video_hsize;
614 pix->height = solo_vlines(solo_dev);
615 pix->pixelformat = V4L2_PIX_FMT_UYVY;
616 pix->field = SOLO_DISP_PIX_FIELD;
617 pix->sizeimage = solo_image_size(solo_dev);
618 pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
619 pix->bytesperline = solo_bytesperline(solo_dev);
620
621 return 0;
622 }
623
624 static int solo_reqbufs(struct file *file, void *priv,
625 struct v4l2_requestbuffers *req)
626 {
627 struct solo_filehandle *fh = priv;
628
629 return videobuf_reqbufs(&fh->vidq, req);
630 }
631
632 static int solo_querybuf(struct file *file, void *priv, struct v4l2_buffer *buf)
633 {
634 struct solo_filehandle *fh = priv;
635
636 return videobuf_querybuf(&fh->vidq, buf);
637 }
638
639 static int solo_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
640 {
641 struct solo_filehandle *fh = priv;
642
643 return videobuf_qbuf(&fh->vidq, buf);
644 }
645
646 static int solo_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
647 {
648 struct solo_filehandle *fh = priv;
649
650 return videobuf_dqbuf(&fh->vidq, buf, file->f_flags & O_NONBLOCK);
651 }
652
653 static int solo_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
654 {
655 struct solo_filehandle *fh = priv;
656
657 if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE)
658 return -EINVAL;
659
660 return videobuf_streamon(&fh->vidq);
661 }
662
663 static int solo_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
664 {
665 struct solo_filehandle *fh = priv;
666
667 if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE)
668 return -EINVAL;
669
670 return videobuf_streamoff(&fh->vidq);
671 }
672
673 static int solo_s_std(struct file *file, void *priv, v4l2_std_id *i)
674 {
675 return 0;
676 }
677
678 static const u32 solo_motion_ctrls[] = {
679 V4L2_CID_MOTION_TRACE,
680 0
681 };
682
683 static const u32 *solo_ctrl_classes[] = {
684 solo_motion_ctrls,
685 NULL
686 };
687
688 static int solo_disp_queryctrl(struct file *file, void *priv,
689 struct v4l2_queryctrl *qc)
690 {
691 qc->id = v4l2_ctrl_next(solo_ctrl_classes, qc->id);
692 if (!qc->id)
693 return -EINVAL;
694
695 switch (qc->id) {
696 #ifdef PRIVATE_CIDS
697 case V4L2_CID_MOTION_TRACE:
698 qc->type = V4L2_CTRL_TYPE_BOOLEAN;
699 qc->minimum = 0;
700 qc->maximum = qc->step = 1;
701 qc->default_value = 0;
702 strlcpy(qc->name, "Motion Detection Trace", sizeof(qc->name));
703 return 0;
704 #else
705 case V4L2_CID_MOTION_TRACE:
706 return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0);
707 #endif
708 }
709 return -EINVAL;
710 }
711
712 static int solo_disp_g_ctrl(struct file *file, void *priv,
713 struct v4l2_control *ctrl)
714 {
715 struct solo_filehandle *fh = priv;
716 struct solo6010_dev *solo_dev = fh->solo_dev;
717
718 switch (ctrl->id) {
719 case V4L2_CID_MOTION_TRACE:
720 ctrl->value = solo_reg_read(solo_dev, SOLO_VI_MOTION_BAR)
721 ? 1 : 0;
722 return 0;
723 }
724 return -EINVAL;
725 }
726
727 static int solo_disp_s_ctrl(struct file *file, void *priv,
728 struct v4l2_control *ctrl)
729 {
730 struct solo_filehandle *fh = priv;
731 struct solo6010_dev *solo_dev = fh->solo_dev;
732
733 switch (ctrl->id) {
734 case V4L2_CID_MOTION_TRACE:
735 if (ctrl->value) {
736 solo_reg_write(solo_dev, SOLO_VI_MOTION_BORDER,
737 SOLO_VI_MOTION_Y_ADD |
738 SOLO_VI_MOTION_Y_VALUE(0x20) |
739 SOLO_VI_MOTION_CB_VALUE(0x10) |
740 SOLO_VI_MOTION_CR_VALUE(0x10));
741 solo_reg_write(solo_dev, SOLO_VI_MOTION_BAR,
742 SOLO_VI_MOTION_CR_ADD |
743 SOLO_VI_MOTION_Y_VALUE(0x10) |
744 SOLO_VI_MOTION_CB_VALUE(0x80) |
745 SOLO_VI_MOTION_CR_VALUE(0x10));
746 } else {
747 solo_reg_write(solo_dev, SOLO_VI_MOTION_BORDER, 0);
748 solo_reg_write(solo_dev, SOLO_VI_MOTION_BAR, 0);
749 }
750 return 0;
751 }
752 return -EINVAL;
753 }
754
755 static const struct v4l2_file_operations solo_v4l2_fops = {
756 .owner = THIS_MODULE,
757 .open = solo_v4l2_open,
758 .release = solo_v4l2_release,
759 .read = solo_v4l2_read,
760 .poll = solo_v4l2_poll,
761 .mmap = solo_v4l2_mmap,
762 .ioctl = video_ioctl2,
763 };
764
765 static const struct v4l2_ioctl_ops solo_v4l2_ioctl_ops = {
766 .vidioc_querycap = solo_querycap,
767 .vidioc_s_std = solo_s_std,
768 /* Input callbacks */
769 .vidioc_enum_input = solo_enum_input,
770 .vidioc_s_input = solo_set_input,
771 .vidioc_g_input = solo_get_input,
772 /* Video capture format callbacks */
773 .vidioc_enum_fmt_vid_cap = solo_enum_fmt_cap,
774 .vidioc_try_fmt_vid_cap = solo_try_fmt_cap,
775 .vidioc_s_fmt_vid_cap = solo_set_fmt_cap,
776 .vidioc_g_fmt_vid_cap = solo_get_fmt_cap,
777 /* Streaming I/O */
778 .vidioc_reqbufs = solo_reqbufs,
779 .vidioc_querybuf = solo_querybuf,
780 .vidioc_qbuf = solo_qbuf,
781 .vidioc_dqbuf = solo_dqbuf,
782 .vidioc_streamon = solo_streamon,
783 .vidioc_streamoff = solo_streamoff,
784 /* Controls */
785 .vidioc_queryctrl = solo_disp_queryctrl,
786 .vidioc_g_ctrl = solo_disp_g_ctrl,
787 .vidioc_s_ctrl = solo_disp_s_ctrl,
788 };
789
790 static struct video_device solo_v4l2_template = {
791 .name = SOLO6010_NAME,
792 .fops = &solo_v4l2_fops,
793 .ioctl_ops = &solo_v4l2_ioctl_ops,
794 .minor = -1,
795 .release = video_device_release,
796
797 .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL_M,
798 .current_norm = V4L2_STD_NTSC_M,
799 };
800
801 int solo_v4l2_init(struct solo6010_dev *solo_dev)
802 {
803 int ret;
804 int i;
805
806 init_waitqueue_head(&solo_dev->disp_thread_wait);
807
808 solo_dev->vfd = video_device_alloc();
809 if (!solo_dev->vfd)
810 return -ENOMEM;
811
812 *solo_dev->vfd = solo_v4l2_template;
813 solo_dev->vfd->parent = &solo_dev->pdev->dev;
814
815 ret = video_register_device(solo_dev->vfd, VFL_TYPE_GRABBER, video_nr);
816 if (ret < 0) {
817 video_device_release(solo_dev->vfd);
818 solo_dev->vfd = NULL;
819 return ret;
820 }
821
822 video_set_drvdata(solo_dev->vfd, solo_dev);
823
824 snprintf(solo_dev->vfd->name, sizeof(solo_dev->vfd->name), "%s (%i)",
825 SOLO6010_NAME, solo_dev->vfd->num);
826
827 if (video_nr >= 0)
828 video_nr++;
829
830 dev_info(&solo_dev->pdev->dev, "Display as /dev/video%d with "
831 "%d inputs (%d extended)\n", solo_dev->vfd->num,
832 solo_dev->nr_chans, solo_dev->nr_ext);
833
834 /* Cycle all the channels and clear */
835 for (i = 0; i < solo_dev->nr_chans; i++) {
836 solo_v4l2_set_ch(solo_dev, i);
837 while (erase_off(solo_dev))
838 ;// Do nothing
839 }
840
841 /* Set the default display channel */
842 solo_v4l2_set_ch(solo_dev, 0);
843 while (erase_off(solo_dev))
844 ;// Do nothing
845
846 solo6010_irq_on(solo_dev, SOLO_IRQ_VIDEO_IN);
847
848 return 0;
849 }
850
851 void solo_v4l2_exit(struct solo6010_dev *solo_dev)
852 {
853 solo6010_irq_off(solo_dev, SOLO_IRQ_VIDEO_IN);
854 if (solo_dev->vfd) {
855 video_unregister_device(solo_dev->vfd);
856 solo_dev->vfd = NULL;
857 }
858 }
Tomato firmware and modifications.