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1 | /* | |
2 | * Copyright (C) 2010-2013 Bluecherry, LLC <http://www.bluecherrydvr.com> | |
3 | * | |
4 | * Original author: | |
5 | * Ben Collins <bcollins@ubuntu.com> | |
6 | * | |
7 | * Additional work by: | |
8 | * John Brooks <john.brooks@bluecherry.net> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | */ | |
20 | ||
21 | #include <linux/kernel.h> | |
22 | #include <linux/module.h> | |
23 | #include <linux/kthread.h> | |
24 | #include <linux/freezer.h> | |
25 | ||
26 | #include <media/v4l2-ioctl.h> | |
27 | #include <media/v4l2-common.h> | |
28 | #include <media/v4l2-event.h> | |
29 | #include <media/videobuf2-v4l2.h> | |
30 | #include <media/videobuf2-dma-contig.h> | |
31 | ||
32 | #include "solo6x10.h" | |
33 | #include "solo6x10-tw28.h" | |
34 | ||
35 | /* Image size is two fields, SOLO_HW_BPL is one horizontal line in hardware */ | |
36 | #define SOLO_HW_BPL 2048 | |
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 2 | |
43 | ||
44 | static inline void erase_on(struct solo_dev *solo_dev) | |
45 | { | |
46 | solo_reg_write(solo_dev, SOLO_VO_DISP_ERASE, SOLO_VO_DISP_ERASE_ON); | |
47 | solo_dev->erasing = 1; | |
48 | solo_dev->frame_blank = 0; | |
49 | } | |
50 | ||
51 | static inline int erase_off(struct solo_dev *solo_dev) | |
52 | { | |
53 | if (!solo_dev->erasing) | |
54 | return 0; | |
55 | ||
56 | /* First time around, assert erase off */ | |
57 | if (!solo_dev->frame_blank) | |
58 | solo_reg_write(solo_dev, SOLO_VO_DISP_ERASE, 0); | |
59 | /* Keep the erasing flag on for 8 frames minimum */ | |
60 | if (solo_dev->frame_blank++ >= 8) | |
61 | solo_dev->erasing = 0; | |
62 | ||
63 | return 1; | |
64 | } | |
65 | ||
66 | void solo_video_in_isr(struct solo_dev *solo_dev) | |
67 | { | |
68 | wake_up_interruptible_all(&solo_dev->disp_thread_wait); | |
69 | } | |
70 | ||
71 | static void solo_win_setup(struct solo_dev *solo_dev, u8 ch, | |
72 | int sx, int sy, int ex, int ey, int scale) | |
73 | { | |
74 | if (ch >= solo_dev->nr_chans) | |
75 | return; | |
76 | ||
77 | /* Here, we just keep window/channel the same */ | |
78 | solo_reg_write(solo_dev, SOLO_VI_WIN_CTRL0(ch), | |
79 | SOLO_VI_WIN_CHANNEL(ch) | | |
80 | SOLO_VI_WIN_SX(sx) | | |
81 | SOLO_VI_WIN_EX(ex) | | |
82 | SOLO_VI_WIN_SCALE(scale)); | |
83 | ||
84 | solo_reg_write(solo_dev, SOLO_VI_WIN_CTRL1(ch), | |
85 | SOLO_VI_WIN_SY(sy) | | |
86 | SOLO_VI_WIN_EY(ey)); | |
87 | } | |
88 | ||
89 | static int solo_v4l2_ch_ext_4up(struct solo_dev *solo_dev, u8 idx, int on) | |
90 | { | |
91 | u8 ch = idx * 4; | |
92 | ||
93 | if (ch >= solo_dev->nr_chans) | |
94 | return -EINVAL; | |
95 | ||
96 | if (!on) { | |
97 | u8 i; | |
98 | ||
99 | for (i = ch; i < ch + 4; i++) | |
100 | solo_win_setup(solo_dev, i, solo_dev->video_hsize, | |
101 | solo_vlines(solo_dev), | |
102 | solo_dev->video_hsize, | |
103 | solo_vlines(solo_dev), 0); | |
104 | return 0; | |
105 | } | |
106 | ||
107 | /* Row 1 */ | |
108 | solo_win_setup(solo_dev, ch, 0, 0, solo_dev->video_hsize / 2, | |
109 | solo_vlines(solo_dev) / 2, 3); | |
110 | solo_win_setup(solo_dev, ch + 1, solo_dev->video_hsize / 2, 0, | |
111 | solo_dev->video_hsize, solo_vlines(solo_dev) / 2, 3); | |
112 | /* Row 2 */ | |
113 | solo_win_setup(solo_dev, ch + 2, 0, solo_vlines(solo_dev) / 2, | |
114 | solo_dev->video_hsize / 2, solo_vlines(solo_dev), 3); | |
115 | solo_win_setup(solo_dev, ch + 3, solo_dev->video_hsize / 2, | |
116 | solo_vlines(solo_dev) / 2, solo_dev->video_hsize, | |
117 | solo_vlines(solo_dev), 3); | |
118 | ||
119 | return 0; | |
120 | } | |
121 | ||
122 | static int solo_v4l2_ch_ext_16up(struct solo_dev *solo_dev, int on) | |
123 | { | |
124 | int sy, ysize, hsize, i; | |
125 | ||
126 | if (!on) { | |
127 | for (i = 0; i < 16; i++) | |
128 | solo_win_setup(solo_dev, i, solo_dev->video_hsize, | |
129 | solo_vlines(solo_dev), | |
130 | solo_dev->video_hsize, | |
131 | solo_vlines(solo_dev), 0); | |
132 | return 0; | |
133 | } | |
134 | ||
135 | ysize = solo_vlines(solo_dev) / 4; | |
136 | hsize = solo_dev->video_hsize / 4; | |
137 | ||
138 | for (sy = 0, i = 0; i < 4; i++, sy += ysize) { | |
139 | solo_win_setup(solo_dev, i * 4, 0, sy, hsize, | |
140 | sy + ysize, 5); | |
141 | solo_win_setup(solo_dev, (i * 4) + 1, hsize, sy, | |
142 | hsize * 2, sy + ysize, 5); | |
143 | solo_win_setup(solo_dev, (i * 4) + 2, hsize * 2, sy, | |
144 | hsize * 3, sy + ysize, 5); | |
145 | solo_win_setup(solo_dev, (i * 4) + 3, hsize * 3, sy, | |
146 | solo_dev->video_hsize, sy + ysize, 5); | |
147 | } | |
148 | ||
149 | return 0; | |
150 | } | |
151 | ||
152 | static int solo_v4l2_ch(struct solo_dev *solo_dev, u8 ch, int on) | |
153 | { | |
154 | u8 ext_ch; | |
155 | ||
156 | if (ch < solo_dev->nr_chans) { | |
157 | solo_win_setup(solo_dev, ch, on ? 0 : solo_dev->video_hsize, | |
158 | on ? 0 : solo_vlines(solo_dev), | |
159 | solo_dev->video_hsize, solo_vlines(solo_dev), | |
160 | on ? 1 : 0); | |
161 | return 0; | |
162 | } | |
163 | ||
164 | if (ch >= solo_dev->nr_chans + solo_dev->nr_ext) | |
165 | return -EINVAL; | |
166 | ||
167 | ext_ch = ch - solo_dev->nr_chans; | |
168 | ||
169 | /* 4up's first */ | |
170 | if (ext_ch < 4) | |
171 | return solo_v4l2_ch_ext_4up(solo_dev, ext_ch, on); | |
172 | ||
173 | /* Remaining case is 16up for 16-port */ | |
174 | return solo_v4l2_ch_ext_16up(solo_dev, on); | |
175 | } | |
176 | ||
177 | static int solo_v4l2_set_ch(struct solo_dev *solo_dev, u8 ch) | |
178 | { | |
179 | if (ch >= solo_dev->nr_chans + solo_dev->nr_ext) | |
180 | return -EINVAL; | |
181 | ||
182 | erase_on(solo_dev); | |
183 | ||
184 | solo_v4l2_ch(solo_dev, solo_dev->cur_disp_ch, 0); | |
185 | solo_v4l2_ch(solo_dev, ch, 1); | |
186 | ||
187 | solo_dev->cur_disp_ch = ch; | |
188 | ||
189 | return 0; | |
190 | } | |
191 | ||
192 | static void solo_fillbuf(struct solo_dev *solo_dev, | |
193 | struct vb2_buffer *vb) | |
194 | { | |
195 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); | |
196 | dma_addr_t addr; | |
197 | unsigned int fdma_addr; | |
198 | int error = -1; | |
199 | int i; | |
200 | ||
201 | addr = vb2_dma_contig_plane_dma_addr(vb, 0); | |
202 | if (!addr) | |
203 | goto finish_buf; | |
204 | ||
205 | if (erase_off(solo_dev)) { | |
206 | void *p = vb2_plane_vaddr(vb, 0); | |
207 | int image_size = solo_image_size(solo_dev); | |
208 | ||
209 | for (i = 0; i < image_size; i += 2) { | |
210 | ((u8 *)p)[i] = 0x80; | |
211 | ((u8 *)p)[i + 1] = 0x00; | |
212 | } | |
213 | error = 0; | |
214 | } else { | |
215 | fdma_addr = SOLO_DISP_EXT_ADDR + (solo_dev->old_write * | |
216 | (SOLO_HW_BPL * solo_vlines(solo_dev))); | |
217 | ||
218 | error = solo_p2m_dma_t(solo_dev, 0, addr, fdma_addr, | |
219 | solo_bytesperline(solo_dev), | |
220 | solo_vlines(solo_dev), SOLO_HW_BPL); | |
221 | } | |
222 | ||
223 | finish_buf: | |
224 | if (!error) { | |
225 | vb2_set_plane_payload(vb, 0, | |
226 | solo_vlines(solo_dev) * solo_bytesperline(solo_dev)); | |
227 | vbuf->sequence = solo_dev->sequence++; | |
228 | v4l2_get_timestamp(&vbuf->timestamp); | |
229 | } | |
230 | ||
231 | vb2_buffer_done(vb, error ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE); | |
232 | } | |
233 | ||
234 | static void solo_thread_try(struct solo_dev *solo_dev) | |
235 | { | |
236 | struct solo_vb2_buf *vb; | |
237 | ||
238 | /* Only "break" from this loop if slock is held, otherwise | |
239 | * just return. */ | |
240 | for (;;) { | |
241 | unsigned int cur_write; | |
242 | ||
243 | cur_write = SOLO_VI_STATUS0_PAGE( | |
244 | solo_reg_read(solo_dev, SOLO_VI_STATUS0)); | |
245 | if (cur_write == solo_dev->old_write) | |
246 | return; | |
247 | ||
248 | spin_lock(&solo_dev->slock); | |
249 | ||
250 | if (list_empty(&solo_dev->vidq_active)) | |
251 | break; | |
252 | ||
253 | vb = list_first_entry(&solo_dev->vidq_active, struct solo_vb2_buf, | |
254 | list); | |
255 | ||
256 | solo_dev->old_write = cur_write; | |
257 | list_del(&vb->list); | |
258 | ||
259 | spin_unlock(&solo_dev->slock); | |
260 | ||
261 | solo_fillbuf(solo_dev, &vb->vb.vb2_buf); | |
262 | } | |
263 | ||
264 | assert_spin_locked(&solo_dev->slock); | |
265 | spin_unlock(&solo_dev->slock); | |
266 | } | |
267 | ||
268 | static int solo_thread(void *data) | |
269 | { | |
270 | struct solo_dev *solo_dev = data; | |
271 | DECLARE_WAITQUEUE(wait, current); | |
272 | ||
273 | set_freezable(); | |
274 | add_wait_queue(&solo_dev->disp_thread_wait, &wait); | |
275 | ||
276 | for (;;) { | |
277 | long timeout = schedule_timeout_interruptible(HZ); | |
278 | ||
279 | if (timeout == -ERESTARTSYS || kthread_should_stop()) | |
280 | break; | |
281 | solo_thread_try(solo_dev); | |
282 | try_to_freeze(); | |
283 | } | |
284 | ||
285 | remove_wait_queue(&solo_dev->disp_thread_wait, &wait); | |
286 | ||
287 | return 0; | |
288 | } | |
289 | ||
290 | static int solo_start_thread(struct solo_dev *solo_dev) | |
291 | { | |
292 | int ret = 0; | |
293 | ||
294 | solo_dev->kthread = kthread_run(solo_thread, solo_dev, SOLO6X10_NAME "_disp"); | |
295 | ||
296 | if (IS_ERR(solo_dev->kthread)) { | |
297 | ret = PTR_ERR(solo_dev->kthread); | |
298 | solo_dev->kthread = NULL; | |
299 | return ret; | |
300 | } | |
301 | solo_irq_on(solo_dev, SOLO_IRQ_VIDEO_IN); | |
302 | ||
303 | return ret; | |
304 | } | |
305 | ||
306 | static void solo_stop_thread(struct solo_dev *solo_dev) | |
307 | { | |
308 | if (!solo_dev->kthread) | |
309 | return; | |
310 | ||
311 | solo_irq_off(solo_dev, SOLO_IRQ_VIDEO_IN); | |
312 | kthread_stop(solo_dev->kthread); | |
313 | solo_dev->kthread = NULL; | |
314 | } | |
315 | ||
316 | static int solo_queue_setup(struct vb2_queue *q, const void *parg, | |
317 | unsigned int *num_buffers, unsigned int *num_planes, | |
318 | unsigned int sizes[], void *alloc_ctxs[]) | |
319 | { | |
320 | struct solo_dev *solo_dev = vb2_get_drv_priv(q); | |
321 | ||
322 | sizes[0] = solo_image_size(solo_dev); | |
323 | alloc_ctxs[0] = solo_dev->alloc_ctx; | |
324 | *num_planes = 1; | |
325 | ||
326 | if (*num_buffers < MIN_VID_BUFFERS) | |
327 | *num_buffers = MIN_VID_BUFFERS; | |
328 | ||
329 | return 0; | |
330 | } | |
331 | ||
332 | static int solo_start_streaming(struct vb2_queue *q, unsigned int count) | |
333 | { | |
334 | struct solo_dev *solo_dev = vb2_get_drv_priv(q); | |
335 | ||
336 | solo_dev->sequence = 0; | |
337 | return solo_start_thread(solo_dev); | |
338 | } | |
339 | ||
340 | static void solo_stop_streaming(struct vb2_queue *q) | |
341 | { | |
342 | struct solo_dev *solo_dev = vb2_get_drv_priv(q); | |
343 | ||
344 | solo_stop_thread(solo_dev); | |
345 | INIT_LIST_HEAD(&solo_dev->vidq_active); | |
346 | } | |
347 | ||
348 | static void solo_buf_queue(struct vb2_buffer *vb) | |
349 | { | |
350 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); | |
351 | struct vb2_queue *vq = vb->vb2_queue; | |
352 | struct solo_dev *solo_dev = vb2_get_drv_priv(vq); | |
353 | struct solo_vb2_buf *solo_vb = | |
354 | container_of(vbuf, struct solo_vb2_buf, vb); | |
355 | ||
356 | spin_lock(&solo_dev->slock); | |
357 | list_add_tail(&solo_vb->list, &solo_dev->vidq_active); | |
358 | spin_unlock(&solo_dev->slock); | |
359 | wake_up_interruptible(&solo_dev->disp_thread_wait); | |
360 | } | |
361 | ||
362 | static const struct vb2_ops solo_video_qops = { | |
363 | .queue_setup = solo_queue_setup, | |
364 | .buf_queue = solo_buf_queue, | |
365 | .start_streaming = solo_start_streaming, | |
366 | .stop_streaming = solo_stop_streaming, | |
367 | .wait_prepare = vb2_ops_wait_prepare, | |
368 | .wait_finish = vb2_ops_wait_finish, | |
369 | }; | |
370 | ||
371 | static int solo_querycap(struct file *file, void *priv, | |
372 | struct v4l2_capability *cap) | |
373 | { | |
374 | struct solo_dev *solo_dev = video_drvdata(file); | |
375 | ||
376 | strcpy(cap->driver, SOLO6X10_NAME); | |
377 | strcpy(cap->card, "Softlogic 6x10"); | |
378 | snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s", | |
379 | pci_name(solo_dev->pdev)); | |
380 | cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | | |
381 | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; | |
382 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; | |
383 | return 0; | |
384 | } | |
385 | ||
386 | static int solo_enum_ext_input(struct solo_dev *solo_dev, | |
387 | struct v4l2_input *input) | |
388 | { | |
389 | static const char * const dispnames_1[] = { "4UP" }; | |
390 | static const char * const dispnames_2[] = { "4UP-1", "4UP-2" }; | |
391 | static const char * const dispnames_5[] = { | |
392 | "4UP-1", "4UP-2", "4UP-3", "4UP-4", "16UP" | |
393 | }; | |
394 | const char * const *dispnames; | |
395 | ||
396 | if (input->index >= (solo_dev->nr_chans + solo_dev->nr_ext)) | |
397 | return -EINVAL; | |
398 | ||
399 | if (solo_dev->nr_ext == 5) | |
400 | dispnames = dispnames_5; | |
401 | else if (solo_dev->nr_ext == 2) | |
402 | dispnames = dispnames_2; | |
403 | else | |
404 | dispnames = dispnames_1; | |
405 | ||
406 | snprintf(input->name, sizeof(input->name), "Multi %s", | |
407 | dispnames[input->index - solo_dev->nr_chans]); | |
408 | ||
409 | return 0; | |
410 | } | |
411 | ||
412 | static int solo_enum_input(struct file *file, void *priv, | |
413 | struct v4l2_input *input) | |
414 | { | |
415 | struct solo_dev *solo_dev = video_drvdata(file); | |
416 | ||
417 | if (input->index >= solo_dev->nr_chans) { | |
418 | int ret = solo_enum_ext_input(solo_dev, input); | |
419 | ||
420 | if (ret < 0) | |
421 | return ret; | |
422 | } else { | |
423 | snprintf(input->name, sizeof(input->name), "Camera %d", | |
424 | input->index + 1); | |
425 | ||
426 | /* We can only check this for normal inputs */ | |
427 | if (!tw28_get_video_status(solo_dev, input->index)) | |
428 | input->status = V4L2_IN_ST_NO_SIGNAL; | |
429 | } | |
430 | ||
431 | input->type = V4L2_INPUT_TYPE_CAMERA; | |
432 | input->std = solo_dev->vfd->tvnorms; | |
433 | return 0; | |
434 | } | |
435 | ||
436 | static int solo_set_input(struct file *file, void *priv, unsigned int index) | |
437 | { | |
438 | struct solo_dev *solo_dev = video_drvdata(file); | |
439 | int ret = solo_v4l2_set_ch(solo_dev, index); | |
440 | ||
441 | if (!ret) { | |
442 | while (erase_off(solo_dev)) | |
443 | /* Do nothing */; | |
444 | } | |
445 | ||
446 | return ret; | |
447 | } | |
448 | ||
449 | static int solo_get_input(struct file *file, void *priv, unsigned int *index) | |
450 | { | |
451 | struct solo_dev *solo_dev = video_drvdata(file); | |
452 | ||
453 | *index = solo_dev->cur_disp_ch; | |
454 | ||
455 | return 0; | |
456 | } | |
457 | ||
458 | static int solo_enum_fmt_cap(struct file *file, void *priv, | |
459 | struct v4l2_fmtdesc *f) | |
460 | { | |
461 | if (f->index) | |
462 | return -EINVAL; | |
463 | ||
464 | f->pixelformat = V4L2_PIX_FMT_UYVY; | |
465 | strlcpy(f->description, "UYUV 4:2:2 Packed", sizeof(f->description)); | |
466 | ||
467 | return 0; | |
468 | } | |
469 | ||
470 | static int solo_try_fmt_cap(struct file *file, void *priv, | |
471 | struct v4l2_format *f) | |
472 | { | |
473 | struct solo_dev *solo_dev = video_drvdata(file); | |
474 | struct v4l2_pix_format *pix = &f->fmt.pix; | |
475 | int image_size = solo_image_size(solo_dev); | |
476 | ||
477 | if (pix->pixelformat != V4L2_PIX_FMT_UYVY) | |
478 | return -EINVAL; | |
479 | ||
480 | pix->width = solo_dev->video_hsize; | |
481 | pix->height = solo_vlines(solo_dev); | |
482 | pix->sizeimage = image_size; | |
483 | pix->field = V4L2_FIELD_INTERLACED; | |
484 | pix->pixelformat = V4L2_PIX_FMT_UYVY; | |
485 | pix->colorspace = V4L2_COLORSPACE_SMPTE170M; | |
486 | pix->priv = 0; | |
487 | return 0; | |
488 | } | |
489 | ||
490 | static int solo_set_fmt_cap(struct file *file, void *priv, | |
491 | struct v4l2_format *f) | |
492 | { | |
493 | struct solo_dev *solo_dev = video_drvdata(file); | |
494 | ||
495 | if (vb2_is_busy(&solo_dev->vidq)) | |
496 | return -EBUSY; | |
497 | ||
498 | /* For right now, if it doesn't match our running config, | |
499 | * then fail */ | |
500 | return solo_try_fmt_cap(file, priv, f); | |
501 | } | |
502 | ||
503 | static int solo_get_fmt_cap(struct file *file, void *priv, | |
504 | struct v4l2_format *f) | |
505 | { | |
506 | struct solo_dev *solo_dev = video_drvdata(file); | |
507 | struct v4l2_pix_format *pix = &f->fmt.pix; | |
508 | ||
509 | pix->width = solo_dev->video_hsize; | |
510 | pix->height = solo_vlines(solo_dev); | |
511 | pix->pixelformat = V4L2_PIX_FMT_UYVY; | |
512 | pix->field = V4L2_FIELD_INTERLACED; | |
513 | pix->sizeimage = solo_image_size(solo_dev); | |
514 | pix->colorspace = V4L2_COLORSPACE_SMPTE170M; | |
515 | pix->bytesperline = solo_bytesperline(solo_dev); | |
516 | pix->priv = 0; | |
517 | ||
518 | return 0; | |
519 | } | |
520 | ||
521 | static int solo_g_std(struct file *file, void *priv, v4l2_std_id *i) | |
522 | { | |
523 | struct solo_dev *solo_dev = video_drvdata(file); | |
524 | ||
525 | if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) | |
526 | *i = V4L2_STD_NTSC_M; | |
527 | else | |
528 | *i = V4L2_STD_PAL; | |
529 | return 0; | |
530 | } | |
531 | ||
532 | int solo_set_video_type(struct solo_dev *solo_dev, bool is_50hz) | |
533 | { | |
534 | int i; | |
535 | ||
536 | /* Make sure all video nodes are idle */ | |
537 | if (vb2_is_busy(&solo_dev->vidq)) | |
538 | return -EBUSY; | |
539 | for (i = 0; i < solo_dev->nr_chans; i++) | |
540 | if (vb2_is_busy(&solo_dev->v4l2_enc[i]->vidq)) | |
541 | return -EBUSY; | |
542 | solo_dev->video_type = is_50hz ? SOLO_VO_FMT_TYPE_PAL : | |
543 | SOLO_VO_FMT_TYPE_NTSC; | |
544 | /* Reconfigure for the new standard */ | |
545 | solo_disp_init(solo_dev); | |
546 | solo_enc_init(solo_dev); | |
547 | solo_tw28_init(solo_dev); | |
548 | for (i = 0; i < solo_dev->nr_chans; i++) | |
549 | solo_update_mode(solo_dev->v4l2_enc[i]); | |
550 | return solo_v4l2_set_ch(solo_dev, solo_dev->cur_disp_ch); | |
551 | } | |
552 | ||
553 | static int solo_s_std(struct file *file, void *priv, v4l2_std_id std) | |
554 | { | |
555 | struct solo_dev *solo_dev = video_drvdata(file); | |
556 | ||
557 | return solo_set_video_type(solo_dev, std & V4L2_STD_625_50); | |
558 | } | |
559 | ||
560 | static int solo_s_ctrl(struct v4l2_ctrl *ctrl) | |
561 | { | |
562 | struct solo_dev *solo_dev = | |
563 | container_of(ctrl->handler, struct solo_dev, disp_hdl); | |
564 | ||
565 | switch (ctrl->id) { | |
566 | case V4L2_CID_MOTION_TRACE: | |
567 | if (ctrl->val) { | |
568 | solo_reg_write(solo_dev, SOLO_VI_MOTION_BORDER, | |
569 | SOLO_VI_MOTION_Y_ADD | | |
570 | SOLO_VI_MOTION_Y_VALUE(0x20) | | |
571 | SOLO_VI_MOTION_CB_VALUE(0x10) | | |
572 | SOLO_VI_MOTION_CR_VALUE(0x10)); | |
573 | solo_reg_write(solo_dev, SOLO_VI_MOTION_BAR, | |
574 | SOLO_VI_MOTION_CR_ADD | | |
575 | SOLO_VI_MOTION_Y_VALUE(0x10) | | |
576 | SOLO_VI_MOTION_CB_VALUE(0x80) | | |
577 | SOLO_VI_MOTION_CR_VALUE(0x10)); | |
578 | } else { | |
579 | solo_reg_write(solo_dev, SOLO_VI_MOTION_BORDER, 0); | |
580 | solo_reg_write(solo_dev, SOLO_VI_MOTION_BAR, 0); | |
581 | } | |
582 | return 0; | |
583 | default: | |
584 | break; | |
585 | } | |
586 | return -EINVAL; | |
587 | } | |
588 | ||
589 | static const struct v4l2_file_operations solo_v4l2_fops = { | |
590 | .owner = THIS_MODULE, | |
591 | .open = v4l2_fh_open, | |
592 | .release = vb2_fop_release, | |
593 | .read = vb2_fop_read, | |
594 | .poll = vb2_fop_poll, | |
595 | .mmap = vb2_fop_mmap, | |
596 | .unlocked_ioctl = video_ioctl2, | |
597 | }; | |
598 | ||
599 | static const struct v4l2_ioctl_ops solo_v4l2_ioctl_ops = { | |
600 | .vidioc_querycap = solo_querycap, | |
601 | .vidioc_s_std = solo_s_std, | |
602 | .vidioc_g_std = solo_g_std, | |
603 | /* Input callbacks */ | |
604 | .vidioc_enum_input = solo_enum_input, | |
605 | .vidioc_s_input = solo_set_input, | |
606 | .vidioc_g_input = solo_get_input, | |
607 | /* Video capture format callbacks */ | |
608 | .vidioc_enum_fmt_vid_cap = solo_enum_fmt_cap, | |
609 | .vidioc_try_fmt_vid_cap = solo_try_fmt_cap, | |
610 | .vidioc_s_fmt_vid_cap = solo_set_fmt_cap, | |
611 | .vidioc_g_fmt_vid_cap = solo_get_fmt_cap, | |
612 | /* Streaming I/O */ | |
613 | .vidioc_reqbufs = vb2_ioctl_reqbufs, | |
614 | .vidioc_querybuf = vb2_ioctl_querybuf, | |
615 | .vidioc_qbuf = vb2_ioctl_qbuf, | |
616 | .vidioc_dqbuf = vb2_ioctl_dqbuf, | |
617 | .vidioc_streamon = vb2_ioctl_streamon, | |
618 | .vidioc_streamoff = vb2_ioctl_streamoff, | |
619 | /* Logging and events */ | |
620 | .vidioc_log_status = v4l2_ctrl_log_status, | |
621 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, | |
622 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, | |
623 | }; | |
624 | ||
625 | static struct video_device solo_v4l2_template = { | |
626 | .name = SOLO6X10_NAME, | |
627 | .fops = &solo_v4l2_fops, | |
628 | .ioctl_ops = &solo_v4l2_ioctl_ops, | |
629 | .minor = -1, | |
630 | .release = video_device_release, | |
631 | .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL, | |
632 | }; | |
633 | ||
634 | static const struct v4l2_ctrl_ops solo_ctrl_ops = { | |
635 | .s_ctrl = solo_s_ctrl, | |
636 | }; | |
637 | ||
638 | static const struct v4l2_ctrl_config solo_motion_trace_ctrl = { | |
639 | .ops = &solo_ctrl_ops, | |
640 | .id = V4L2_CID_MOTION_TRACE, | |
641 | .name = "Motion Detection Trace", | |
642 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
643 | .max = 1, | |
644 | .step = 1, | |
645 | }; | |
646 | ||
647 | int solo_v4l2_init(struct solo_dev *solo_dev, unsigned nr) | |
648 | { | |
649 | int ret; | |
650 | int i; | |
651 | ||
652 | init_waitqueue_head(&solo_dev->disp_thread_wait); | |
653 | spin_lock_init(&solo_dev->slock); | |
654 | mutex_init(&solo_dev->lock); | |
655 | INIT_LIST_HEAD(&solo_dev->vidq_active); | |
656 | ||
657 | solo_dev->vfd = video_device_alloc(); | |
658 | if (!solo_dev->vfd) | |
659 | return -ENOMEM; | |
660 | ||
661 | *solo_dev->vfd = solo_v4l2_template; | |
662 | solo_dev->vfd->v4l2_dev = &solo_dev->v4l2_dev; | |
663 | solo_dev->vfd->queue = &solo_dev->vidq; | |
664 | solo_dev->vfd->lock = &solo_dev->lock; | |
665 | v4l2_ctrl_handler_init(&solo_dev->disp_hdl, 1); | |
666 | v4l2_ctrl_new_custom(&solo_dev->disp_hdl, &solo_motion_trace_ctrl, NULL); | |
667 | if (solo_dev->disp_hdl.error) { | |
668 | ret = solo_dev->disp_hdl.error; | |
669 | goto fail; | |
670 | } | |
671 | solo_dev->vfd->ctrl_handler = &solo_dev->disp_hdl; | |
672 | ||
673 | video_set_drvdata(solo_dev->vfd, solo_dev); | |
674 | ||
675 | solo_dev->vidq.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
676 | solo_dev->vidq.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ; | |
677 | solo_dev->vidq.ops = &solo_video_qops; | |
678 | solo_dev->vidq.mem_ops = &vb2_dma_contig_memops; | |
679 | solo_dev->vidq.drv_priv = solo_dev; | |
680 | solo_dev->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; | |
681 | solo_dev->vidq.gfp_flags = __GFP_DMA32 | __GFP_KSWAPD_RECLAIM; | |
682 | solo_dev->vidq.buf_struct_size = sizeof(struct solo_vb2_buf); | |
683 | solo_dev->vidq.lock = &solo_dev->lock; | |
684 | ret = vb2_queue_init(&solo_dev->vidq); | |
685 | if (ret < 0) | |
686 | goto fail; | |
687 | ||
688 | solo_dev->alloc_ctx = vb2_dma_contig_init_ctx(&solo_dev->pdev->dev); | |
689 | if (IS_ERR(solo_dev->alloc_ctx)) { | |
690 | dev_err(&solo_dev->pdev->dev, "Can't allocate buffer context"); | |
691 | return PTR_ERR(solo_dev->alloc_ctx); | |
692 | } | |
693 | ||
694 | /* Cycle all the channels and clear */ | |
695 | for (i = 0; i < solo_dev->nr_chans; i++) { | |
696 | solo_v4l2_set_ch(solo_dev, i); | |
697 | while (erase_off(solo_dev)) | |
698 | /* Do nothing */; | |
699 | } | |
700 | ||
701 | /* Set the default display channel */ | |
702 | solo_v4l2_set_ch(solo_dev, 0); | |
703 | while (erase_off(solo_dev)) | |
704 | /* Do nothing */; | |
705 | ||
706 | ret = video_register_device(solo_dev->vfd, VFL_TYPE_GRABBER, nr); | |
707 | if (ret < 0) | |
708 | goto fail; | |
709 | ||
710 | snprintf(solo_dev->vfd->name, sizeof(solo_dev->vfd->name), "%s (%i)", | |
711 | SOLO6X10_NAME, solo_dev->vfd->num); | |
712 | ||
713 | dev_info(&solo_dev->pdev->dev, "Display as /dev/video%d with " | |
714 | "%d inputs (%d extended)\n", solo_dev->vfd->num, | |
715 | solo_dev->nr_chans, solo_dev->nr_ext); | |
716 | ||
717 | return 0; | |
718 | ||
719 | fail: | |
720 | video_device_release(solo_dev->vfd); | |
721 | vb2_dma_contig_cleanup_ctx(solo_dev->alloc_ctx); | |
722 | v4l2_ctrl_handler_free(&solo_dev->disp_hdl); | |
723 | solo_dev->vfd = NULL; | |
724 | return ret; | |
725 | } | |
726 | ||
727 | void solo_v4l2_exit(struct solo_dev *solo_dev) | |
728 | { | |
729 | if (solo_dev->vfd == NULL) | |
730 | return; | |
731 | ||
732 | video_unregister_device(solo_dev->vfd); | |
733 | vb2_dma_contig_cleanup_ctx(solo_dev->alloc_ctx); | |
734 | v4l2_ctrl_handler_free(&solo_dev->disp_hdl); | |
735 | solo_dev->vfd = NULL; | |
736 | } |