1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * vimc-debayer.c Virtual Media Controller Driver
4 *
5 * Copyright (C) 2015-2017 Helen Koike <helen.fornazier@gmail.com>
6 */
7
8 #include <linux/moduleparam.h>
9 #include <linux/platform_device.h>
10 #include <linux/vmalloc.h>
11 #include <linux/v4l2-mediabus.h>
12 #include <media/v4l2-ctrls.h>
13 #include <media/v4l2-event.h>
14 #include <media/v4l2-subdev.h>
15
16 #include "vimc-common.h"
17
18 /* TODO: Add support for more output formats, we only support RGB888 for now. */
19 #define VIMC_DEBAYER_SOURCE_MBUS_FMT MEDIA_BUS_FMT_RGB888_1X24
20
21 enum vimc_debayer_rgb_colors {
22 VIMC_DEBAYER_RED = 0,
23 VIMC_DEBAYER_GREEN = 1,
24 VIMC_DEBAYER_BLUE = 2,
25 };
26
27 struct vimc_debayer_pix_map {
28 u32 code;
29 enum vimc_debayer_rgb_colors order[2][2];
30 };
31
32 struct vimc_debayer_device {
33 struct vimc_ent_device ved;
34 struct v4l2_subdev sd;
35 struct v4l2_ctrl_handler hdl;
36 struct media_pad pads[2];
37
38 u8 *src_frame;
39
40 void (*set_rgb_src)(struct vimc_debayer_device *vdebayer,
41 unsigned int lin, unsigned int col,
42 unsigned int rgb[3]);
43
44 /*
45 * Virtual "hardware" configuration, filled when the stream starts or
46 * when controls are set.
47 */
48 struct {
49 const struct vimc_debayer_pix_map *sink_pix_map;
50 unsigned int sink_bpp;
51 struct v4l2_area size;
52 unsigned int mean_win_size;
53 u32 src_code;
54 } hw;
55 };
56
57 static const struct v4l2_mbus_framefmt sink_fmt_default = {
58 .width = 640,
59 .height = 480,
60 .code = MEDIA_BUS_FMT_SRGGB8_1X8,
61 .field = V4L2_FIELD_NONE,
62 .colorspace = V4L2_COLORSPACE_SRGB,
63 };
64
65 static const u32 vimc_debayer_src_mbus_codes[] = {
66 MEDIA_BUS_FMT_GBR888_1X24,
67 MEDIA_BUS_FMT_BGR888_1X24,
68 MEDIA_BUS_FMT_BGR888_3X8,
69 MEDIA_BUS_FMT_RGB888_1X24,
70 MEDIA_BUS_FMT_RGB888_2X12_BE,
71 MEDIA_BUS_FMT_RGB888_2X12_LE,
72 MEDIA_BUS_FMT_RGB888_3X8,
73 MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
74 MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA,
75 MEDIA_BUS_FMT_RGB888_1X32_PADHI,
76 };
77
78 static const struct vimc_debayer_pix_map vimc_debayer_pix_map_list[] = {
79 {
80 .code = MEDIA_BUS_FMT_SBGGR8_1X8,
81 .order = { { VIMC_DEBAYER_BLUE, VIMC_DEBAYER_GREEN },
82 { VIMC_DEBAYER_GREEN, VIMC_DEBAYER_RED } }
83 },
84 {
85 .code = MEDIA_BUS_FMT_SGBRG8_1X8,
86 .order = { { VIMC_DEBAYER_GREEN, VIMC_DEBAYER_BLUE },
87 { VIMC_DEBAYER_RED, VIMC_DEBAYER_GREEN } }
88 },
89 {
90 .code = MEDIA_BUS_FMT_SGRBG8_1X8,
91 .order = { { VIMC_DEBAYER_GREEN, VIMC_DEBAYER_RED },
92 { VIMC_DEBAYER_BLUE, VIMC_DEBAYER_GREEN } }
93 },
94 {
95 .code = MEDIA_BUS_FMT_SRGGB8_1X8,
96 .order = { { VIMC_DEBAYER_RED, VIMC_DEBAYER_GREEN },
97 { VIMC_DEBAYER_GREEN, VIMC_DEBAYER_BLUE } }
98 },
99 {
100 .code = MEDIA_BUS_FMT_SBGGR10_1X10,
101 .order = { { VIMC_DEBAYER_BLUE, VIMC_DEBAYER_GREEN },
102 { VIMC_DEBAYER_GREEN, VIMC_DEBAYER_RED } }
103 },
104 {
105 .code = MEDIA_BUS_FMT_SGBRG10_1X10,
106 .order = { { VIMC_DEBAYER_GREEN, VIMC_DEBAYER_BLUE },
107 { VIMC_DEBAYER_RED, VIMC_DEBAYER_GREEN } }
108 },
109 {
110 .code = MEDIA_BUS_FMT_SGRBG10_1X10,
111 .order = { { VIMC_DEBAYER_GREEN, VIMC_DEBAYER_RED },
112 { VIMC_DEBAYER_BLUE, VIMC_DEBAYER_GREEN } }
113 },
114 {
115 .code = MEDIA_BUS_FMT_SRGGB10_1X10,
116 .order = { { VIMC_DEBAYER_RED, VIMC_DEBAYER_GREEN },
117 { VIMC_DEBAYER_GREEN, VIMC_DEBAYER_BLUE } }
118 },
119 {
120 .code = MEDIA_BUS_FMT_SBGGR12_1X12,
121 .order = { { VIMC_DEBAYER_BLUE, VIMC_DEBAYER_GREEN },
122 { VIMC_DEBAYER_GREEN, VIMC_DEBAYER_RED } }
123 },
124 {
125 .code = MEDIA_BUS_FMT_SGBRG12_1X12,
126 .order = { { VIMC_DEBAYER_GREEN, VIMC_DEBAYER_BLUE },
127 { VIMC_DEBAYER_RED, VIMC_DEBAYER_GREEN } }
128 },
129 {
130 .code = MEDIA_BUS_FMT_SGRBG12_1X12,
131 .order = { { VIMC_DEBAYER_GREEN, VIMC_DEBAYER_RED },
132 { VIMC_DEBAYER_BLUE, VIMC_DEBAYER_GREEN } }
133 },
134 {
135 .code = MEDIA_BUS_FMT_SRGGB12_1X12,
136 .order = { { VIMC_DEBAYER_RED, VIMC_DEBAYER_GREEN },
137 { VIMC_DEBAYER_GREEN, VIMC_DEBAYER_BLUE } }
138 },
139 };
140
vimc_debayer_pix_map_by_code(u32 code)141 static const struct vimc_debayer_pix_map *vimc_debayer_pix_map_by_code(u32 code)
142 {
143 unsigned int i;
144
145 for (i = 0; i < ARRAY_SIZE(vimc_debayer_pix_map_list); i++)
146 if (vimc_debayer_pix_map_list[i].code == code)
147 return &vimc_debayer_pix_map_list[i];
148
149 return NULL;
150 }
151
vimc_debayer_src_code_is_valid(u32 code)152 static bool vimc_debayer_src_code_is_valid(u32 code)
153 {
154 unsigned int i;
155
156 for (i = 0; i < ARRAY_SIZE(vimc_debayer_src_mbus_codes); i++)
157 if (vimc_debayer_src_mbus_codes[i] == code)
158 return true;
159
160 return false;
161 }
162
vimc_debayer_init_state(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state)163 static int vimc_debayer_init_state(struct v4l2_subdev *sd,
164 struct v4l2_subdev_state *sd_state)
165 {
166 struct v4l2_mbus_framefmt *mf;
167
168 mf = v4l2_subdev_state_get_format(sd_state, 0);
169 *mf = sink_fmt_default;
170
171 mf = v4l2_subdev_state_get_format(sd_state, 1);
172 *mf = sink_fmt_default;
173 mf->code = VIMC_DEBAYER_SOURCE_MBUS_FMT;
174
175 return 0;
176 }
177
vimc_debayer_enum_mbus_code(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_mbus_code_enum * code)178 static int vimc_debayer_enum_mbus_code(struct v4l2_subdev *sd,
179 struct v4l2_subdev_state *sd_state,
180 struct v4l2_subdev_mbus_code_enum *code)
181 {
182 if (VIMC_IS_SRC(code->pad)) {
183 if (code->index >= ARRAY_SIZE(vimc_debayer_src_mbus_codes))
184 return -EINVAL;
185
186 code->code = vimc_debayer_src_mbus_codes[code->index];
187 } else {
188 if (code->index >= ARRAY_SIZE(vimc_debayer_pix_map_list))
189 return -EINVAL;
190
191 code->code = vimc_debayer_pix_map_list[code->index].code;
192 }
193
194 return 0;
195 }
196
vimc_debayer_enum_frame_size(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_frame_size_enum * fse)197 static int vimc_debayer_enum_frame_size(struct v4l2_subdev *sd,
198 struct v4l2_subdev_state *sd_state,
199 struct v4l2_subdev_frame_size_enum *fse)
200 {
201 if (fse->index)
202 return -EINVAL;
203
204 if (VIMC_IS_SINK(fse->pad)) {
205 const struct vimc_debayer_pix_map *vpix =
206 vimc_debayer_pix_map_by_code(fse->code);
207
208 if (!vpix)
209 return -EINVAL;
210 } else if (!vimc_debayer_src_code_is_valid(fse->code)) {
211 return -EINVAL;
212 }
213
214 fse->min_width = VIMC_FRAME_MIN_WIDTH;
215 fse->max_width = VIMC_FRAME_MAX_WIDTH;
216 fse->min_height = VIMC_FRAME_MIN_HEIGHT;
217 fse->max_height = VIMC_FRAME_MAX_HEIGHT;
218
219 return 0;
220 }
221
vimc_debayer_adjust_sink_fmt(struct v4l2_mbus_framefmt * fmt)222 static void vimc_debayer_adjust_sink_fmt(struct v4l2_mbus_framefmt *fmt)
223 {
224 const struct vimc_debayer_pix_map *vpix;
225
226 /* Don't accept a code that is not on the debayer table */
227 vpix = vimc_debayer_pix_map_by_code(fmt->code);
228 if (!vpix)
229 fmt->code = sink_fmt_default.code;
230
231 fmt->width = clamp_t(u32, fmt->width, VIMC_FRAME_MIN_WIDTH,
232 VIMC_FRAME_MAX_WIDTH) & ~1;
233 fmt->height = clamp_t(u32, fmt->height, VIMC_FRAME_MIN_HEIGHT,
234 VIMC_FRAME_MAX_HEIGHT) & ~1;
235
236 if (fmt->field == V4L2_FIELD_ANY)
237 fmt->field = sink_fmt_default.field;
238
239 vimc_colorimetry_clamp(fmt);
240 }
241
vimc_debayer_set_fmt(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_format * fmt)242 static int vimc_debayer_set_fmt(struct v4l2_subdev *sd,
243 struct v4l2_subdev_state *sd_state,
244 struct v4l2_subdev_format *fmt)
245 {
246 struct vimc_debayer_device *vdebayer = v4l2_get_subdevdata(sd);
247 struct v4l2_mbus_framefmt *format;
248
249 /* Do not change the format while stream is on. */
250 if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE && vdebayer->src_frame)
251 return -EBUSY;
252
253 /*
254 * Do not change the format of the source pad, it is propagated from
255 * the sink.
256 */
257 if (VIMC_IS_SRC(fmt->pad))
258 return v4l2_subdev_get_fmt(sd, sd_state, fmt);
259
260 /* Set the new format in the sink pad. */
261 vimc_debayer_adjust_sink_fmt(&fmt->format);
262
263 format = v4l2_subdev_state_get_format(sd_state, 0);
264
265 dev_dbg(vdebayer->ved.dev, "%s: sink format update: "
266 "old:%dx%d (0x%x, %d, %d, %d, %d) "
267 "new:%dx%d (0x%x, %d, %d, %d, %d)\n", vdebayer->sd.name,
268 /* old */
269 format->width, format->height, format->code,
270 format->colorspace, format->quantization,
271 format->xfer_func, format->ycbcr_enc,
272 /* new */
273 fmt->format.width, fmt->format.height, fmt->format.code,
274 fmt->format.colorspace, fmt->format.quantization,
275 fmt->format.xfer_func, fmt->format.ycbcr_enc);
276
277 *format = fmt->format;
278
279 /* Propagate the format to the source pad. */
280 format = v4l2_subdev_state_get_format(sd_state, 1);
281 *format = fmt->format;
282 format->code = VIMC_DEBAYER_SOURCE_MBUS_FMT;
283
284 return 0;
285 }
286
287 static const struct v4l2_subdev_pad_ops vimc_debayer_pad_ops = {
288 .enum_mbus_code = vimc_debayer_enum_mbus_code,
289 .enum_frame_size = vimc_debayer_enum_frame_size,
290 .get_fmt = v4l2_subdev_get_fmt,
291 .set_fmt = vimc_debayer_set_fmt,
292 };
293
vimc_debayer_process_rgb_frame(struct vimc_debayer_device * vdebayer,unsigned int lin,unsigned int col,unsigned int rgb[3])294 static void vimc_debayer_process_rgb_frame(struct vimc_debayer_device *vdebayer,
295 unsigned int lin,
296 unsigned int col,
297 unsigned int rgb[3])
298 {
299 const struct vimc_pix_map *vpix;
300 unsigned int i, index;
301
302 vpix = vimc_pix_map_by_code(vdebayer->hw.src_code);
303 index = VIMC_FRAME_INDEX(lin, col, vdebayer->hw.size.width, 3);
304 for (i = 0; i < 3; i++) {
305 switch (vpix->pixelformat) {
306 case V4L2_PIX_FMT_RGB24:
307 vdebayer->src_frame[index + i] = rgb[i];
308 break;
309 case V4L2_PIX_FMT_BGR24:
310 vdebayer->src_frame[index + i] = rgb[2 - i];
311 break;
312 }
313 }
314 }
315
vimc_debayer_s_stream(struct v4l2_subdev * sd,int enable)316 static int vimc_debayer_s_stream(struct v4l2_subdev *sd, int enable)
317 {
318 struct vimc_debayer_device *vdebayer = v4l2_get_subdevdata(sd);
319
320 if (enable) {
321 const struct v4l2_mbus_framefmt *sink_fmt;
322 const struct v4l2_mbus_framefmt *src_fmt;
323 struct v4l2_subdev_state *state;
324 const struct vimc_pix_map *vpix;
325 unsigned int frame_size;
326
327 if (vdebayer->src_frame)
328 return 0;
329
330 state = v4l2_subdev_lock_and_get_active_state(sd);
331 sink_fmt = v4l2_subdev_state_get_format(state, 0);
332 src_fmt = v4l2_subdev_state_get_format(state, 1);
333
334 /* Calculate the frame size of the source pad */
335 vpix = vimc_pix_map_by_code(src_fmt->code);
336 frame_size = src_fmt->width * src_fmt->height * vpix->bpp;
337
338 /* Save the bytes per pixel of the sink */
339 vpix = vimc_pix_map_by_code(sink_fmt->code);
340 vdebayer->hw.sink_bpp = vpix->bpp;
341
342 /* Get the corresponding pixel map from the table */
343 vdebayer->hw.sink_pix_map =
344 vimc_debayer_pix_map_by_code(sink_fmt->code);
345
346 vdebayer->hw.size.width = sink_fmt->width;
347 vdebayer->hw.size.height = sink_fmt->height;
348
349 vdebayer->hw.src_code = src_fmt->code;
350
351 v4l2_subdev_unlock_state(state);
352
353 /*
354 * Allocate the frame buffer. Use vmalloc to be able to
355 * allocate a large amount of memory
356 */
357 vdebayer->src_frame = vmalloc(frame_size);
358 if (!vdebayer->src_frame)
359 return -ENOMEM;
360 } else {
361 if (!vdebayer->src_frame)
362 return 0;
363
364 vfree(vdebayer->src_frame);
365 vdebayer->src_frame = NULL;
366 }
367
368 return 0;
369 }
370
371 static const struct v4l2_subdev_core_ops vimc_debayer_core_ops = {
372 .log_status = v4l2_ctrl_subdev_log_status,
373 .subscribe_event = v4l2_ctrl_subdev_subscribe_event,
374 .unsubscribe_event = v4l2_event_subdev_unsubscribe,
375 };
376
377 static const struct v4l2_subdev_video_ops vimc_debayer_video_ops = {
378 .s_stream = vimc_debayer_s_stream,
379 };
380
381 static const struct v4l2_subdev_ops vimc_debayer_ops = {
382 .core = &vimc_debayer_core_ops,
383 .pad = &vimc_debayer_pad_ops,
384 .video = &vimc_debayer_video_ops,
385 };
386
387 static const struct v4l2_subdev_internal_ops vimc_debayer_internal_ops = {
388 .init_state = vimc_debayer_init_state,
389 };
390
vimc_debayer_get_val(const u8 * bytes,const unsigned int n_bytes)391 static unsigned int vimc_debayer_get_val(const u8 *bytes,
392 const unsigned int n_bytes)
393 {
394 unsigned int i;
395 unsigned int acc = 0;
396
397 for (i = 0; i < n_bytes; i++)
398 acc = acc + (bytes[i] << (8 * i));
399
400 return acc;
401 }
402
vimc_debayer_calc_rgb_sink(struct vimc_debayer_device * vdebayer,const u8 * frame,const unsigned int lin,const unsigned int col,unsigned int rgb[3])403 static void vimc_debayer_calc_rgb_sink(struct vimc_debayer_device *vdebayer,
404 const u8 *frame,
405 const unsigned int lin,
406 const unsigned int col,
407 unsigned int rgb[3])
408 {
409 unsigned int i, seek, wlin, wcol;
410 unsigned int n_rgb[3] = {0, 0, 0};
411
412 for (i = 0; i < 3; i++)
413 rgb[i] = 0;
414
415 /*
416 * Calculate how many we need to subtract to get to the pixel in
417 * the top left corner of the mean window (considering the current
418 * pixel as the center)
419 */
420 seek = vdebayer->hw.mean_win_size / 2;
421
422 /* Sum the values of the colors in the mean window */
423
424 dev_dbg(vdebayer->ved.dev,
425 "deb: %s: --- Calc pixel %dx%d, window mean %d, seek %d ---\n",
426 vdebayer->sd.name, lin, col, vdebayer->hw.size.height, seek);
427
428 /*
429 * Iterate through all the lines in the mean window, start
430 * with zero if the pixel is outside the frame and don't pass
431 * the height when the pixel is in the bottom border of the
432 * frame
433 */
434 for (wlin = seek > lin ? 0 : lin - seek;
435 wlin < lin + seek + 1 && wlin < vdebayer->hw.size.height;
436 wlin++) {
437
438 /*
439 * Iterate through all the columns in the mean window, start
440 * with zero if the pixel is outside the frame and don't pass
441 * the width when the pixel is in the right border of the
442 * frame
443 */
444 for (wcol = seek > col ? 0 : col - seek;
445 wcol < col + seek + 1 && wcol < vdebayer->hw.size.width;
446 wcol++) {
447 enum vimc_debayer_rgb_colors color;
448 unsigned int index;
449
450 /* Check which color this pixel is */
451 color = vdebayer->hw.sink_pix_map->order[wlin % 2][wcol % 2];
452
453 index = VIMC_FRAME_INDEX(wlin, wcol,
454 vdebayer->hw.size.width,
455 vdebayer->hw.sink_bpp);
456
457 dev_dbg(vdebayer->ved.dev,
458 "deb: %s: RGB CALC: frame index %d, win pos %dx%d, color %d\n",
459 vdebayer->sd.name, index, wlin, wcol, color);
460
461 /* Get its value */
462 rgb[color] = rgb[color] +
463 vimc_debayer_get_val(&frame[index],
464 vdebayer->hw.sink_bpp);
465
466 /* Save how many values we already added */
467 n_rgb[color]++;
468
469 dev_dbg(vdebayer->ved.dev, "deb: %s: RGB CALC: val %d, n %d\n",
470 vdebayer->sd.name, rgb[color], n_rgb[color]);
471 }
472 }
473
474 /* Calculate the mean */
475 for (i = 0; i < 3; i++) {
476 dev_dbg(vdebayer->ved.dev,
477 "deb: %s: PRE CALC: %dx%d Color %d, val %d, n %d\n",
478 vdebayer->sd.name, lin, col, i, rgb[i], n_rgb[i]);
479
480 if (n_rgb[i])
481 rgb[i] = rgb[i] / n_rgb[i];
482
483 dev_dbg(vdebayer->ved.dev,
484 "deb: %s: FINAL CALC: %dx%d Color %d, val %d\n",
485 vdebayer->sd.name, lin, col, i, rgb[i]);
486 }
487 }
488
vimc_debayer_process_frame(struct vimc_ent_device * ved,const void * sink_frame)489 static void *vimc_debayer_process_frame(struct vimc_ent_device *ved,
490 const void *sink_frame)
491 {
492 struct vimc_debayer_device *vdebayer =
493 container_of(ved, struct vimc_debayer_device, ved);
494
495 unsigned int rgb[3];
496 unsigned int i, j;
497
498 /* If the stream in this node is not active, just return */
499 if (!vdebayer->src_frame)
500 return ERR_PTR(-EINVAL);
501
502 for (i = 0; i < vdebayer->hw.size.height; i++)
503 for (j = 0; j < vdebayer->hw.size.width; j++) {
504 vimc_debayer_calc_rgb_sink(vdebayer, sink_frame, i, j, rgb);
505 vdebayer->set_rgb_src(vdebayer, i, j, rgb);
506 }
507
508 return vdebayer->src_frame;
509 }
510
vimc_debayer_s_ctrl(struct v4l2_ctrl * ctrl)511 static int vimc_debayer_s_ctrl(struct v4l2_ctrl *ctrl)
512 {
513 struct vimc_debayer_device *vdebayer =
514 container_of(ctrl->handler, struct vimc_debayer_device, hdl);
515
516 switch (ctrl->id) {
517 case VIMC_CID_MEAN_WIN_SIZE:
518 vdebayer->hw.mean_win_size = ctrl->val;
519 break;
520 default:
521 return -EINVAL;
522 }
523 return 0;
524 }
525
526 static const struct v4l2_ctrl_ops vimc_debayer_ctrl_ops = {
527 .s_ctrl = vimc_debayer_s_ctrl,
528 };
529
vimc_debayer_release(struct vimc_ent_device * ved)530 static void vimc_debayer_release(struct vimc_ent_device *ved)
531 {
532 struct vimc_debayer_device *vdebayer =
533 container_of(ved, struct vimc_debayer_device, ved);
534
535 v4l2_ctrl_handler_free(&vdebayer->hdl);
536 v4l2_subdev_cleanup(&vdebayer->sd);
537 media_entity_cleanup(vdebayer->ved.ent);
538 kfree(vdebayer);
539 }
540
541 static const struct v4l2_ctrl_config vimc_debayer_ctrl_class = {
542 .flags = V4L2_CTRL_FLAG_READ_ONLY | V4L2_CTRL_FLAG_WRITE_ONLY,
543 .id = VIMC_CID_VIMC_CLASS,
544 .name = "VIMC Controls",
545 .type = V4L2_CTRL_TYPE_CTRL_CLASS,
546 };
547
548 static const struct v4l2_ctrl_config vimc_debayer_ctrl_mean_win_size = {
549 .ops = &vimc_debayer_ctrl_ops,
550 .id = VIMC_CID_MEAN_WIN_SIZE,
551 .name = "Debayer Mean Window Size",
552 .type = V4L2_CTRL_TYPE_INTEGER,
553 .min = 1,
554 .max = 25,
555 .step = 2,
556 .def = 3,
557 };
558
vimc_debayer_add(struct vimc_device * vimc,const char * vcfg_name)559 static struct vimc_ent_device *vimc_debayer_add(struct vimc_device *vimc,
560 const char *vcfg_name)
561 {
562 struct v4l2_device *v4l2_dev = &vimc->v4l2_dev;
563 struct vimc_debayer_device *vdebayer;
564 int ret;
565
566 /* Allocate the vdebayer struct */
567 vdebayer = kzalloc(sizeof(*vdebayer), GFP_KERNEL);
568 if (!vdebayer)
569 return ERR_PTR(-ENOMEM);
570
571 /* Create controls: */
572 v4l2_ctrl_handler_init(&vdebayer->hdl, 2);
573 v4l2_ctrl_new_custom(&vdebayer->hdl, &vimc_debayer_ctrl_class, NULL);
574 v4l2_ctrl_new_custom(&vdebayer->hdl, &vimc_debayer_ctrl_mean_win_size, NULL);
575 vdebayer->sd.ctrl_handler = &vdebayer->hdl;
576 if (vdebayer->hdl.error) {
577 ret = vdebayer->hdl.error;
578 goto err_free_vdebayer;
579 }
580
581 /* Initialize ved and sd */
582 vdebayer->pads[0].flags = MEDIA_PAD_FL_SINK;
583 vdebayer->pads[1].flags = MEDIA_PAD_FL_SOURCE;
584
585 ret = vimc_ent_sd_register(&vdebayer->ved, &vdebayer->sd, v4l2_dev,
586 vcfg_name,
587 MEDIA_ENT_F_PROC_VIDEO_PIXEL_ENC_CONV, 2,
588 vdebayer->pads, &vimc_debayer_internal_ops,
589 &vimc_debayer_ops);
590 if (ret)
591 goto err_free_hdl;
592
593 vdebayer->ved.process_frame = vimc_debayer_process_frame;
594 vdebayer->ved.dev = vimc->mdev.dev;
595 vdebayer->hw.mean_win_size = vimc_debayer_ctrl_mean_win_size.def;
596
597 vdebayer->set_rgb_src = vimc_debayer_process_rgb_frame;
598
599 return &vdebayer->ved;
600
601 err_free_hdl:
602 v4l2_ctrl_handler_free(&vdebayer->hdl);
603 err_free_vdebayer:
604 kfree(vdebayer);
605
606 return ERR_PTR(ret);
607 }
608
609 const struct vimc_ent_type vimc_debayer_type = {
610 .add = vimc_debayer_add,
611 .release = vimc_debayer_release
612 };
613