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Merge branch 'stable/xen-pcifront-fixes' of git://git.kernel.org/pub/scm/linux/kernel...
[net-next-2.6.git] / drivers / staging / solo6x10 / solo6010-v4l2.c
CommitLineData
faa4fd2a
BC		 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 */
45struct 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
54unsigned video_nr = -1;
55module_param(video_nr, uint, 0644);
56MODULE_PARM_DESC(video_nr, "videoX start number, -1 is autodetect (default)");
57
58static 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
65static 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
80void 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
86static 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
104static 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
136static 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
166static 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
191static 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
206static 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
246finish_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
260static 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
294static 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
316static 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
326static 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
334static 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
348static 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 /* XXX: These properties only change when queue is idle */
359 vb->width = solo_dev->video_hsize;
360 vb->height = solo_vlines(solo_dev);
361 vb->bytesperline = solo_bytesperline(solo_dev);
362 vb->field = field;
363
364 if (vb->state == VIDEOBUF_NEEDS_INIT) {
365 int rc = videobuf_iolock(vq, vb, NULL);
366 if (rc < 0) {
367 videobuf_dma_contig_free(vq, vb);
368 vb->state = VIDEOBUF_NEEDS_INIT;
369 return rc;
370 }
371 }
372 vb->state = VIDEOBUF_PREPARED;
373
374 return 0;
375}
376
377static void solo_buf_queue(struct videobuf_queue *vq,
378 struct videobuf_buffer *vb)
379{
380 struct solo_filehandle *fh = vq->priv_data;
381 struct solo6010_dev *solo_dev = fh->solo_dev;
382
383 vb->state = VIDEOBUF_QUEUED;
384 list_add_tail(&vb->queue, &fh->vidq_active);
385 wake_up_interruptible(&solo_dev->disp_thread_wait);
386}
387
388static void solo_buf_release(struct videobuf_queue *vq,
389 struct videobuf_buffer *vb)
390{
391 videobuf_dma_contig_free(vq, vb);
392 vb->state = VIDEOBUF_NEEDS_INIT;
393}
394
395static struct videobuf_queue_ops solo_video_qops = {
396 .buf_setup = solo_buf_setup,
397 .buf_prepare = solo_buf_prepare,
398 .buf_queue = solo_buf_queue,
399 .buf_release = solo_buf_release,
400};
401
402static unsigned int solo_v4l2_poll(struct file *file,
403 struct poll_table_struct *wait)
404{
405 struct solo_filehandle *fh = file->private_data;
406
407 return videobuf_poll_stream(file, &fh->vidq, wait);
408}
409
410static int solo_v4l2_mmap(struct file *file, struct vm_area_struct *vma)
411{
412 struct solo_filehandle *fh = file->private_data;
413
414 return videobuf_mmap_mapper(&fh->vidq, vma);
415}
416
417static int solo_v4l2_open(struct file *file)
418{
419 struct solo6010_dev *solo_dev = video_drvdata(file);
420 struct solo_filehandle *fh;
421 int ret;
422
423 if ((fh = kzalloc(sizeof(*fh), GFP_KERNEL)) == NULL)
424 return -ENOMEM;
425
426 spin_lock_init(&fh->slock);
427 INIT_LIST_HEAD(&fh->vidq_active);
428 fh->solo_dev = solo_dev;
429 file->private_data = fh;
430
431 if ((ret = solo_start_thread(fh))) {
432 kfree(fh);
433 return ret;
434 }
435
436 videobuf_queue_dma_contig_init(&fh->vidq, &solo_video_qops,
437 &solo_dev->pdev->dev, &fh->slock,
438 V4L2_BUF_TYPE_VIDEO_CAPTURE,
439 SOLO_DISP_PIX_FIELD,
27d68fbb 440 sizeof(struct videobuf_buffer), fh, NULL);
faa4fd2a
BC		 441
442 return 0;
443}
444
445static ssize_t solo_v4l2_read(struct file *file, char __user *data,
446 size_t count, loff_t *ppos)
447{
448 struct solo_filehandle *fh = file->private_data;
449
450 return videobuf_read_stream(&fh->vidq, data, count, ppos, 0,
451 file->f_flags & O_NONBLOCK);
452}
453
454static int solo_v4l2_release(struct file *file)
455{
456 struct solo_filehandle *fh = file->private_data;
457
458 videobuf_stop(&fh->vidq);
459 videobuf_mmap_free(&fh->vidq);
460 solo_stop_thread(fh);
461 kfree(fh);
462
463 return 0;
464}
465
466static int solo_querycap(struct file *file, void *priv,
467 struct v4l2_capability *cap)
468{
469 struct solo_filehandle *fh = priv;
470 struct solo6010_dev *solo_dev = fh->solo_dev;
471
472 strcpy(cap->driver, SOLO6010_NAME);
473 strcpy(cap->card, "Softlogic 6010");
474 snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI %s",
475 pci_name(solo_dev->pdev));
476 cap->version = SOLO6010_VER_NUM;
477 cap->capabilities = V4L2_CAP_VIDEO_CAPTURE |
478 V4L2_CAP_READWRITE |
479 V4L2_CAP_STREAMING;
480 return 0;
481}
482
483static int solo_enum_ext_input(struct solo6010_dev *solo_dev,
484 struct v4l2_input *input)
485{
486 static const char *dispnames_1[] = { "4UP" };
487 static const char *dispnames_2[] = { "4UP-1", "4UP-2" };
488 static const char *dispnames_5[] = {
489 "4UP-1", "4UP-2", "4UP-3", "4UP-4", "16UP"
490 };
491 const char **dispnames;
492
493 if (input->index >= (solo_dev->nr_chans + solo_dev->nr_ext))
494 return -EINVAL;
495
496 if (solo_dev->nr_ext == 5)
497 dispnames = dispnames_5;
498 else if (solo_dev->nr_ext == 2)
499 dispnames = dispnames_2;
500 else
501 dispnames = dispnames_1;
502
503 snprintf(input->name, sizeof(input->name), "Multi %s",
504 dispnames[input->index - solo_dev->nr_chans]);
505
506 return 0;
507}
508
509static int solo_enum_input(struct file *file, void *priv,
510 struct v4l2_input *input)
511{
512 struct solo_filehandle *fh = priv;
513 struct solo6010_dev *solo_dev = fh->solo_dev;
514
515 if (input->index >= solo_dev->nr_chans) {
516 int ret = solo_enum_ext_input(solo_dev, input);
517 if (ret < 0)
518 return ret;
519 } else {
520 snprintf(input->name, sizeof(input->name), "Camera %d",
521 input->index + 1);
522
523 /* We can only check this for normal inputs */
524 if (!tw28_get_video_status(solo_dev, input->index))
525 input->status = V4L2_IN_ST_NO_SIGNAL;
526 }
527
528 input->type = V4L2_INPUT_TYPE_CAMERA;
529
530 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC)
531 input->std = V4L2_STD_NTSC_M;
532 else
533 input->std = V4L2_STD_PAL_M;
534
535 return 0;
536}
537
538static int solo_set_input(struct file *file, void *priv, unsigned int index)
539{
540 struct solo_filehandle *fh = priv;
541
542 return solo_v4l2_set_ch(fh->solo_dev, index);
543}
544
545static int solo_get_input(struct file *file, void *priv, unsigned int *index)
546{
547 struct solo_filehandle *fh = priv;
548
549 *index = fh->solo_dev->cur_disp_ch;
550
551 return 0;
552}
553
554static int solo_enum_fmt_cap(struct file *file, void *priv,
555 struct v4l2_fmtdesc *f)
556{
557 if (f->index)
558 return -EINVAL;
559
560 f->pixelformat = V4L2_PIX_FMT_UYVY;
561 strlcpy(f->description, "UYUV 4:2:2 Packed", sizeof(f->description));
562
563 return 0;
564}
565
566static int solo_try_fmt_cap(struct file *file, void *priv,
567 struct v4l2_format *f)
568{
569 struct solo_filehandle *fh = priv;
570 struct solo6010_dev *solo_dev = fh->solo_dev;
571 struct v4l2_pix_format *pix = &f->fmt.pix;
572 int image_size = solo_image_size(solo_dev);
573
574 /* Check supported sizes */
575 if (pix->width != solo_dev->video_hsize)
576 pix->width = solo_dev->video_hsize;
577 if (pix->height != solo_vlines(solo_dev))
578 pix->height = solo_vlines(solo_dev);
579 if (pix->sizeimage != image_size)
580 pix->sizeimage = image_size;
581
582 /* Check formats */
583 if (pix->field == V4L2_FIELD_ANY)
584 pix->field = SOLO_DISP_PIX_FIELD;
585
586 if (pix->pixelformat != V4L2_PIX_FMT_UYVY ||
587 pix->field != SOLO_DISP_PIX_FIELD ||
588 pix->colorspace != V4L2_COLORSPACE_SMPTE170M)
589 return -EINVAL;
590
591 return 0;
592}
593
594static int solo_set_fmt_cap(struct file *file, void *priv,
595 struct v4l2_format *f)
596{
597 struct solo_filehandle *fh = priv;
598
599 if (videobuf_queue_is_busy(&fh->vidq))
600 return -EBUSY;
601
602 /* For right now, if it doesn't match our running config,
603 * then fail */
604 return solo_try_fmt_cap(file, priv, f);
605}
606
607static int solo_get_fmt_cap(struct file *file, void *priv,
608 struct v4l2_format *f)
609{
610 struct solo_filehandle *fh = priv;
611 struct solo6010_dev *solo_dev = fh->solo_dev;
612 struct v4l2_pix_format *pix = &f->fmt.pix;
613
614 pix->width = solo_dev->video_hsize;
615 pix->height = solo_vlines(solo_dev);
616 pix->pixelformat = V4L2_PIX_FMT_UYVY;
617 pix->field = SOLO_DISP_PIX_FIELD;
618 pix->sizeimage = solo_image_size(solo_dev);
619 pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
620 pix->bytesperline = solo_bytesperline(solo_dev);
621
622 return 0;
623}
624
625static int solo_reqbufs(struct file *file, void *priv,
626 struct v4l2_requestbuffers *req)
627{
628 struct solo_filehandle *fh = priv;
629
630 return videobuf_reqbufs(&fh->vidq, req);
631}
632
633static int solo_querybuf(struct file *file, void *priv, struct v4l2_buffer *buf)
634{
635 struct solo_filehandle *fh = priv;
636
637 return videobuf_querybuf(&fh->vidq, buf);
638}
639
640static int solo_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
641{
642 struct solo_filehandle *fh = priv;
643
644 return videobuf_qbuf(&fh->vidq, buf);
645}
646
647static int solo_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
648{
649 struct solo_filehandle *fh = priv;
650
651 return videobuf_dqbuf(&fh->vidq, buf, file->f_flags & O_NONBLOCK);
652}
653
654static int solo_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
655{
656 struct solo_filehandle *fh = priv;
657
658 if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE)
659 return -EINVAL;
660
661 return videobuf_streamon(&fh->vidq);
662}
663
664static int solo_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
665{
666 struct solo_filehandle *fh = priv;
667
668 if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE)
669 return -EINVAL;
670
671 return videobuf_streamoff(&fh->vidq);
672}
673
674static int solo_s_std(struct file *file, void *priv, v4l2_std_id *i)
675{
676 return 0;
677}
678
679static const u32 solo_motion_ctrls[] = {
680 V4L2_CID_MOTION_TRACE,
681 0
682};
683
684static const u32 *solo_ctrl_classes[] = {
685 solo_motion_ctrls,
686 NULL
687};
688
689static int solo_disp_queryctrl(struct file *file, void *priv,
690 struct v4l2_queryctrl *qc)
691{
692 qc->id = v4l2_ctrl_next(solo_ctrl_classes, qc->id);
693 if (!qc->id)
694 return -EINVAL;
695
696 switch (qc->id) {
697#ifdef PRIVATE_CIDS
698 case V4L2_CID_MOTION_TRACE:
699 qc->type = V4L2_CTRL_TYPE_BOOLEAN;
700 qc->minimum = 0;
701 qc->maximum = qc->step = 1;
702 qc->default_value = 0;
703 strlcpy(qc->name, "Motion Detection Trace", sizeof(qc->name));
704 return 0;
705#else
706 case V4L2_CID_MOTION_TRACE:
707 return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0);
708#endif
709 }
710 return -EINVAL;
711}
712
713static int solo_disp_g_ctrl(struct file *file, void *priv,
714 struct v4l2_control *ctrl)
715{
716 struct solo_filehandle *fh = priv;
717 struct solo6010_dev *solo_dev = fh->solo_dev;
718
719 switch (ctrl->id) {
720 case V4L2_CID_MOTION_TRACE:
721 ctrl->value = solo_reg_read(solo_dev, SOLO_VI_MOTION_BAR)
722 ? 1 : 0;
723 return 0;
724 }
725 return -EINVAL;
726}
727
728static int solo_disp_s_ctrl(struct file *file, void *priv,
729 struct v4l2_control *ctrl)
730{
731 struct solo_filehandle *fh = priv;
732 struct solo6010_dev *solo_dev = fh->solo_dev;
733
734 switch (ctrl->id) {
735 case V4L2_CID_MOTION_TRACE:
736 if (ctrl->value) {
737 solo_reg_write(solo_dev, SOLO_VI_MOTION_BORDER,
738 SOLO_VI_MOTION_Y_ADD |
739 SOLO_VI_MOTION_Y_VALUE(0x20) |
740 SOLO_VI_MOTION_CB_VALUE(0x10) |
741 SOLO_VI_MOTION_CR_VALUE(0x10));
742 solo_reg_write(solo_dev, SOLO_VI_MOTION_BAR,
743 SOLO_VI_MOTION_CR_ADD |
744 SOLO_VI_MOTION_Y_VALUE(0x10) |
745 SOLO_VI_MOTION_CB_VALUE(0x80) |
746 SOLO_VI_MOTION_CR_VALUE(0x10));
747 } else {
748 solo_reg_write(solo_dev, SOLO_VI_MOTION_BORDER, 0);
749 solo_reg_write(solo_dev, SOLO_VI_MOTION_BAR, 0);
750 }
751 return 0;
752 }
753 return -EINVAL;
754}
755
756static const struct v4l2_file_operations solo_v4l2_fops = {
757 .owner = THIS_MODULE,
758 .open = solo_v4l2_open,
759 .release = solo_v4l2_release,
760 .read = solo_v4l2_read,
761 .poll = solo_v4l2_poll,
762 .mmap = solo_v4l2_mmap,
763 .ioctl = video_ioctl2,
764};
765
766static const struct v4l2_ioctl_ops solo_v4l2_ioctl_ops = {
767 .vidioc_querycap = solo_querycap,
768 .vidioc_s_std = solo_s_std,
769 /* Input callbacks */
770 .vidioc_enum_input = solo_enum_input,
771 .vidioc_s_input = solo_set_input,
772 .vidioc_g_input = solo_get_input,
773 /* Video capture format callbacks */
774 .vidioc_enum_fmt_vid_cap = solo_enum_fmt_cap,
775 .vidioc_try_fmt_vid_cap = solo_try_fmt_cap,
776 .vidioc_s_fmt_vid_cap = solo_set_fmt_cap,
777 .vidioc_g_fmt_vid_cap = solo_get_fmt_cap,
778 /* Streaming I/O */
779 .vidioc_reqbufs = solo_reqbufs,
780 .vidioc_querybuf = solo_querybuf,
781 .vidioc_qbuf = solo_qbuf,
782 .vidioc_dqbuf = solo_dqbuf,
783 .vidioc_streamon = solo_streamon,
784 .vidioc_streamoff = solo_streamoff,
785 /* Controls */
786 .vidioc_queryctrl = solo_disp_queryctrl,
787 .vidioc_g_ctrl = solo_disp_g_ctrl,
788 .vidioc_s_ctrl = solo_disp_s_ctrl,
789};
790
791static struct video_device solo_v4l2_template = {
792 .name = SOLO6010_NAME,
793 .fops = &solo_v4l2_fops,
794 .ioctl_ops = &solo_v4l2_ioctl_ops,
795 .minor = -1,
796 .release = video_device_release,
797
798 .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL_M,
799 .current_norm = V4L2_STD_NTSC_M,
800};
801
802int solo_v4l2_init(struct solo6010_dev *solo_dev)
803{
804 int ret;
805 int i;
806
807 init_waitqueue_head(&solo_dev->disp_thread_wait);
808
809 solo_dev->vfd = video_device_alloc();
810 if (!solo_dev->vfd)
811 return -ENOMEM;
812
813 *solo_dev->vfd = solo_v4l2_template;
814 solo_dev->vfd->parent = &solo_dev->pdev->dev;
815
816 ret = video_register_device(solo_dev->vfd, VFL_TYPE_GRABBER, video_nr);
817 if (ret < 0) {
818 video_device_release(solo_dev->vfd);
819 solo_dev->vfd = NULL;
820 return ret;
821 }
822
823 video_set_drvdata(solo_dev->vfd, solo_dev);
824
825 snprintf(solo_dev->vfd->name, sizeof(solo_dev->vfd->name), "%s (%i)",
826 SOLO6010_NAME, solo_dev->vfd->num);
827
3850a8ae 828 if (video_nr != -1)
faa4fd2a
BC		 829 video_nr++;
830
831 dev_info(&solo_dev->pdev->dev, "Display as /dev/video%d with "
832 "%d inputs (%d extended)\n", solo_dev->vfd->num,
833 solo_dev->nr_chans, solo_dev->nr_ext);
834
835 /* Cycle all the channels and clear */
836 for (i = 0; i < solo_dev->nr_chans; i++) {
837 solo_v4l2_set_ch(solo_dev, i);
838 while (erase_off(solo_dev))
839 ;// Do nothing
840 }
841
842 /* Set the default display channel */
843 solo_v4l2_set_ch(solo_dev, 0);
844 while (erase_off(solo_dev))
845 ;// Do nothing
846
847 solo6010_irq_on(solo_dev, SOLO_IRQ_VIDEO_IN);
848
849 return 0;
850}
851
852void solo_v4l2_exit(struct solo6010_dev *solo_dev)
853{
854 solo6010_irq_off(solo_dev, SOLO_IRQ_VIDEO_IN);
855 if (solo_dev->vfd) {
856 video_unregister_device(solo_dev->vfd);
857 solo_dev->vfd = NULL;
858 }
859}
Clone of davem's net-next-2.6 tree