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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/media/test-drivers/vimc/vimc-debayer.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/test-drivers/vimc/vimc-debayer.c')
-rw-r--r--drivers/media/test-drivers/vimc/vimc-debayer.c626
1 files changed, 626 insertions, 0 deletions
diff --git a/drivers/media/test-drivers/vimc/vimc-debayer.c b/drivers/media/test-drivers/vimc/vimc-debayer.c
new file mode 100644
index 0000000000..f671251fdf
--- /dev/null
+++ b/drivers/media/test-drivers/vimc/vimc-debayer.c
@@ -0,0 +1,626 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * vimc-debayer.c Virtual Media Controller Driver
+ *
+ * Copyright (C) 2015-2017 Helen Koike <helen.fornazier@gmail.com>
+ */
+
+#include <linux/moduleparam.h>
+#include <linux/platform_device.h>
+#include <linux/vmalloc.h>
+#include <linux/v4l2-mediabus.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-event.h>
+#include <media/v4l2-subdev.h>
+
+#include "vimc-common.h"
+
+enum vimc_debayer_rgb_colors {
+ VIMC_DEBAYER_RED = 0,
+ VIMC_DEBAYER_GREEN = 1,
+ VIMC_DEBAYER_BLUE = 2,
+};
+
+struct vimc_debayer_pix_map {
+ u32 code;
+ enum vimc_debayer_rgb_colors order[2][2];
+};
+
+struct vimc_debayer_device {
+ struct vimc_ent_device ved;
+ struct v4l2_subdev sd;
+ /* The active format */
+ struct v4l2_mbus_framefmt sink_fmt;
+ u32 src_code;
+ void (*set_rgb_src)(struct vimc_debayer_device *vdebayer,
+ unsigned int lin, unsigned int col,
+ unsigned int rgb[3]);
+ /* Values calculated when the stream starts */
+ u8 *src_frame;
+ const struct vimc_debayer_pix_map *sink_pix_map;
+ unsigned int sink_bpp;
+ unsigned int mean_win_size;
+ struct v4l2_ctrl_handler hdl;
+ struct media_pad pads[2];
+};
+
+static const struct v4l2_mbus_framefmt sink_fmt_default = {
+ .width = 640,
+ .height = 480,
+ .code = MEDIA_BUS_FMT_SRGGB8_1X8,
+ .field = V4L2_FIELD_NONE,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+};
+
+static const u32 vimc_debayer_src_mbus_codes[] = {
+ MEDIA_BUS_FMT_GBR888_1X24,
+ MEDIA_BUS_FMT_BGR888_1X24,
+ MEDIA_BUS_FMT_BGR888_3X8,
+ MEDIA_BUS_FMT_RGB888_1X24,
+ MEDIA_BUS_FMT_RGB888_2X12_BE,
+ MEDIA_BUS_FMT_RGB888_2X12_LE,
+ MEDIA_BUS_FMT_RGB888_3X8,
+ MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
+ MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA,
+ MEDIA_BUS_FMT_RGB888_1X32_PADHI,
+};
+
+static const struct vimc_debayer_pix_map vimc_debayer_pix_map_list[] = {
+ {
+ .code = MEDIA_BUS_FMT_SBGGR8_1X8,
+ .order = { { VIMC_DEBAYER_BLUE, VIMC_DEBAYER_GREEN },
+ { VIMC_DEBAYER_GREEN, VIMC_DEBAYER_RED } }
+ },
+ {
+ .code = MEDIA_BUS_FMT_SGBRG8_1X8,
+ .order = { { VIMC_DEBAYER_GREEN, VIMC_DEBAYER_BLUE },
+ { VIMC_DEBAYER_RED, VIMC_DEBAYER_GREEN } }
+ },
+ {
+ .code = MEDIA_BUS_FMT_SGRBG8_1X8,
+ .order = { { VIMC_DEBAYER_GREEN, VIMC_DEBAYER_RED },
+ { VIMC_DEBAYER_BLUE, VIMC_DEBAYER_GREEN } }
+ },
+ {
+ .code = MEDIA_BUS_FMT_SRGGB8_1X8,
+ .order = { { VIMC_DEBAYER_RED, VIMC_DEBAYER_GREEN },
+ { VIMC_DEBAYER_GREEN, VIMC_DEBAYER_BLUE } }
+ },
+ {
+ .code = MEDIA_BUS_FMT_SBGGR10_1X10,
+ .order = { { VIMC_DEBAYER_BLUE, VIMC_DEBAYER_GREEN },
+ { VIMC_DEBAYER_GREEN, VIMC_DEBAYER_RED } }
+ },
+ {
+ .code = MEDIA_BUS_FMT_SGBRG10_1X10,
+ .order = { { VIMC_DEBAYER_GREEN, VIMC_DEBAYER_BLUE },
+ { VIMC_DEBAYER_RED, VIMC_DEBAYER_GREEN } }
+ },
+ {
+ .code = MEDIA_BUS_FMT_SGRBG10_1X10,
+ .order = { { VIMC_DEBAYER_GREEN, VIMC_DEBAYER_RED },
+ { VIMC_DEBAYER_BLUE, VIMC_DEBAYER_GREEN } }
+ },
+ {
+ .code = MEDIA_BUS_FMT_SRGGB10_1X10,
+ .order = { { VIMC_DEBAYER_RED, VIMC_DEBAYER_GREEN },
+ { VIMC_DEBAYER_GREEN, VIMC_DEBAYER_BLUE } }
+ },
+ {
+ .code = MEDIA_BUS_FMT_SBGGR12_1X12,
+ .order = { { VIMC_DEBAYER_BLUE, VIMC_DEBAYER_GREEN },
+ { VIMC_DEBAYER_GREEN, VIMC_DEBAYER_RED } }
+ },
+ {
+ .code = MEDIA_BUS_FMT_SGBRG12_1X12,
+ .order = { { VIMC_DEBAYER_GREEN, VIMC_DEBAYER_BLUE },
+ { VIMC_DEBAYER_RED, VIMC_DEBAYER_GREEN } }
+ },
+ {
+ .code = MEDIA_BUS_FMT_SGRBG12_1X12,
+ .order = { { VIMC_DEBAYER_GREEN, VIMC_DEBAYER_RED },
+ { VIMC_DEBAYER_BLUE, VIMC_DEBAYER_GREEN } }
+ },
+ {
+ .code = MEDIA_BUS_FMT_SRGGB12_1X12,
+ .order = { { VIMC_DEBAYER_RED, VIMC_DEBAYER_GREEN },
+ { VIMC_DEBAYER_GREEN, VIMC_DEBAYER_BLUE } }
+ },
+};
+
+static const struct vimc_debayer_pix_map *vimc_debayer_pix_map_by_code(u32 code)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(vimc_debayer_pix_map_list); i++)
+ if (vimc_debayer_pix_map_list[i].code == code)
+ return &vimc_debayer_pix_map_list[i];
+
+ return NULL;
+}
+
+static bool vimc_debayer_src_code_is_valid(u32 code)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(vimc_debayer_src_mbus_codes); i++)
+ if (vimc_debayer_src_mbus_codes[i] == code)
+ return true;
+
+ return false;
+}
+
+static int vimc_debayer_init_cfg(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state)
+{
+ struct vimc_debayer_device *vdebayer = v4l2_get_subdevdata(sd);
+ struct v4l2_mbus_framefmt *mf;
+ unsigned int i;
+
+ mf = v4l2_subdev_get_try_format(sd, sd_state, 0);
+ *mf = sink_fmt_default;
+
+ for (i = 1; i < sd->entity.num_pads; i++) {
+ mf = v4l2_subdev_get_try_format(sd, sd_state, i);
+ *mf = sink_fmt_default;
+ mf->code = vdebayer->src_code;
+ }
+
+ return 0;
+}
+
+static int vimc_debayer_enum_mbus_code(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_mbus_code_enum *code)
+{
+ if (VIMC_IS_SRC(code->pad)) {
+ if (code->index >= ARRAY_SIZE(vimc_debayer_src_mbus_codes))
+ return -EINVAL;
+
+ code->code = vimc_debayer_src_mbus_codes[code->index];
+ } else {
+ if (code->index >= ARRAY_SIZE(vimc_debayer_pix_map_list))
+ return -EINVAL;
+
+ code->code = vimc_debayer_pix_map_list[code->index].code;
+ }
+
+ return 0;
+}
+
+static int vimc_debayer_enum_frame_size(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_frame_size_enum *fse)
+{
+ if (fse->index)
+ return -EINVAL;
+
+ if (VIMC_IS_SINK(fse->pad)) {
+ const struct vimc_debayer_pix_map *vpix =
+ vimc_debayer_pix_map_by_code(fse->code);
+
+ if (!vpix)
+ return -EINVAL;
+ } else if (!vimc_debayer_src_code_is_valid(fse->code)) {
+ return -EINVAL;
+ }
+
+ fse->min_width = VIMC_FRAME_MIN_WIDTH;
+ fse->max_width = VIMC_FRAME_MAX_WIDTH;
+ fse->min_height = VIMC_FRAME_MIN_HEIGHT;
+ fse->max_height = VIMC_FRAME_MAX_HEIGHT;
+
+ return 0;
+}
+
+static int vimc_debayer_get_fmt(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_format *fmt)
+{
+ struct vimc_debayer_device *vdebayer = v4l2_get_subdevdata(sd);
+
+ /* Get the current sink format */
+ fmt->format = fmt->which == V4L2_SUBDEV_FORMAT_TRY ?
+ *v4l2_subdev_get_try_format(sd, sd_state, 0) :
+ vdebayer->sink_fmt;
+
+ /* Set the right code for the source pad */
+ if (VIMC_IS_SRC(fmt->pad))
+ fmt->format.code = vdebayer->src_code;
+
+ return 0;
+}
+
+static void vimc_debayer_adjust_sink_fmt(struct v4l2_mbus_framefmt *fmt)
+{
+ const struct vimc_debayer_pix_map *vpix;
+
+ /* Don't accept a code that is not on the debayer table */
+ vpix = vimc_debayer_pix_map_by_code(fmt->code);
+ if (!vpix)
+ fmt->code = sink_fmt_default.code;
+
+ fmt->width = clamp_t(u32, fmt->width, VIMC_FRAME_MIN_WIDTH,
+ VIMC_FRAME_MAX_WIDTH) & ~1;
+ fmt->height = clamp_t(u32, fmt->height, VIMC_FRAME_MIN_HEIGHT,
+ VIMC_FRAME_MAX_HEIGHT) & ~1;
+
+ if (fmt->field == V4L2_FIELD_ANY)
+ fmt->field = sink_fmt_default.field;
+
+ vimc_colorimetry_clamp(fmt);
+}
+
+static int vimc_debayer_set_fmt(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_format *fmt)
+{
+ struct vimc_debayer_device *vdebayer = v4l2_get_subdevdata(sd);
+ struct v4l2_mbus_framefmt *sink_fmt;
+ u32 *src_code;
+
+ if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
+ /* Do not change the format while stream is on */
+ if (vdebayer->src_frame)
+ return -EBUSY;
+
+ sink_fmt = &vdebayer->sink_fmt;
+ src_code = &vdebayer->src_code;
+ } else {
+ sink_fmt = v4l2_subdev_get_try_format(sd, sd_state, 0);
+ src_code = &v4l2_subdev_get_try_format(sd, sd_state, 1)->code;
+ }
+
+ /*
+ * Do not change the format of the source pad,
+ * it is propagated from the sink
+ */
+ if (VIMC_IS_SRC(fmt->pad)) {
+ u32 code = fmt->format.code;
+
+ fmt->format = *sink_fmt;
+
+ if (vimc_debayer_src_code_is_valid(code))
+ *src_code = code;
+
+ fmt->format.code = *src_code;
+ } else {
+ /* Set the new format in the sink pad */
+ vimc_debayer_adjust_sink_fmt(&fmt->format);
+
+ dev_dbg(vdebayer->ved.dev, "%s: sink format update: "
+ "old:%dx%d (0x%x, %d, %d, %d, %d) "
+ "new:%dx%d (0x%x, %d, %d, %d, %d)\n", vdebayer->sd.name,
+ /* old */
+ sink_fmt->width, sink_fmt->height, sink_fmt->code,
+ sink_fmt->colorspace, sink_fmt->quantization,
+ sink_fmt->xfer_func, sink_fmt->ycbcr_enc,
+ /* new */
+ fmt->format.width, fmt->format.height, fmt->format.code,
+ fmt->format.colorspace, fmt->format.quantization,
+ fmt->format.xfer_func, fmt->format.ycbcr_enc);
+
+ *sink_fmt = fmt->format;
+ }
+
+ return 0;
+}
+
+static const struct v4l2_subdev_pad_ops vimc_debayer_pad_ops = {
+ .init_cfg = vimc_debayer_init_cfg,
+ .enum_mbus_code = vimc_debayer_enum_mbus_code,
+ .enum_frame_size = vimc_debayer_enum_frame_size,
+ .get_fmt = vimc_debayer_get_fmt,
+ .set_fmt = vimc_debayer_set_fmt,
+};
+
+static void vimc_debayer_process_rgb_frame(struct vimc_debayer_device *vdebayer,
+ unsigned int lin,
+ unsigned int col,
+ unsigned int rgb[3])
+{
+ const struct vimc_pix_map *vpix;
+ unsigned int i, index;
+
+ vpix = vimc_pix_map_by_code(vdebayer->src_code);
+ index = VIMC_FRAME_INDEX(lin, col, vdebayer->sink_fmt.width, 3);
+ for (i = 0; i < 3; i++) {
+ switch (vpix->pixelformat) {
+ case V4L2_PIX_FMT_RGB24:
+ vdebayer->src_frame[index + i] = rgb[i];
+ break;
+ case V4L2_PIX_FMT_BGR24:
+ vdebayer->src_frame[index + i] = rgb[2 - i];
+ break;
+ }
+ }
+}
+
+static int vimc_debayer_s_stream(struct v4l2_subdev *sd, int enable)
+{
+ struct vimc_debayer_device *vdebayer = v4l2_get_subdevdata(sd);
+
+ if (enable) {
+ const struct vimc_pix_map *vpix;
+ unsigned int frame_size;
+
+ if (vdebayer->src_frame)
+ return 0;
+
+ /* Calculate the frame size of the source pad */
+ vpix = vimc_pix_map_by_code(vdebayer->src_code);
+ frame_size = vdebayer->sink_fmt.width * vdebayer->sink_fmt.height *
+ vpix->bpp;
+
+ /* Save the bytes per pixel of the sink */
+ vpix = vimc_pix_map_by_code(vdebayer->sink_fmt.code);
+ vdebayer->sink_bpp = vpix->bpp;
+
+ /* Get the corresponding pixel map from the table */
+ vdebayer->sink_pix_map =
+ vimc_debayer_pix_map_by_code(vdebayer->sink_fmt.code);
+
+ /*
+ * Allocate the frame buffer. Use vmalloc to be able to
+ * allocate a large amount of memory
+ */
+ vdebayer->src_frame = vmalloc(frame_size);
+ if (!vdebayer->src_frame)
+ return -ENOMEM;
+
+ } else {
+ if (!vdebayer->src_frame)
+ return 0;
+
+ vfree(vdebayer->src_frame);
+ vdebayer->src_frame = NULL;
+ }
+
+ return 0;
+}
+
+static const struct v4l2_subdev_core_ops vimc_debayer_core_ops = {
+ .log_status = v4l2_ctrl_subdev_log_status,
+ .subscribe_event = v4l2_ctrl_subdev_subscribe_event,
+ .unsubscribe_event = v4l2_event_subdev_unsubscribe,
+};
+
+static const struct v4l2_subdev_video_ops vimc_debayer_video_ops = {
+ .s_stream = vimc_debayer_s_stream,
+};
+
+static const struct v4l2_subdev_ops vimc_debayer_ops = {
+ .core = &vimc_debayer_core_ops,
+ .pad = &vimc_debayer_pad_ops,
+ .video = &vimc_debayer_video_ops,
+};
+
+static unsigned int vimc_debayer_get_val(const u8 *bytes,
+ const unsigned int n_bytes)
+{
+ unsigned int i;
+ unsigned int acc = 0;
+
+ for (i = 0; i < n_bytes; i++)
+ acc = acc + (bytes[i] << (8 * i));
+
+ return acc;
+}
+
+static void 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])
+{
+ unsigned int i, seek, wlin, wcol;
+ unsigned int n_rgb[3] = {0, 0, 0};
+
+ for (i = 0; i < 3; i++)
+ rgb[i] = 0;
+
+ /*
+ * Calculate how many we need to subtract to get to the pixel in
+ * the top left corner of the mean window (considering the current
+ * pixel as the center)
+ */
+ seek = vdebayer->mean_win_size / 2;
+
+ /* Sum the values of the colors in the mean window */
+
+ dev_dbg(vdebayer->ved.dev,
+ "deb: %s: --- Calc pixel %dx%d, window mean %d, seek %d ---\n",
+ vdebayer->sd.name, lin, col, vdebayer->sink_fmt.height, seek);
+
+ /*
+ * Iterate through all the lines in the mean window, start
+ * with zero if the pixel is outside the frame and don't pass
+ * the height when the pixel is in the bottom border of the
+ * frame
+ */
+ for (wlin = seek > lin ? 0 : lin - seek;
+ wlin < lin + seek + 1 && wlin < vdebayer->sink_fmt.height;
+ wlin++) {
+
+ /*
+ * Iterate through all the columns in the mean window, start
+ * with zero if the pixel is outside the frame and don't pass
+ * the width when the pixel is in the right border of the
+ * frame
+ */
+ for (wcol = seek > col ? 0 : col - seek;
+ wcol < col + seek + 1 && wcol < vdebayer->sink_fmt.width;
+ wcol++) {
+ enum vimc_debayer_rgb_colors color;
+ unsigned int index;
+
+ /* Check which color this pixel is */
+ color = vdebayer->sink_pix_map->order[wlin % 2][wcol % 2];
+
+ index = VIMC_FRAME_INDEX(wlin, wcol,
+ vdebayer->sink_fmt.width,
+ vdebayer->sink_bpp);
+
+ dev_dbg(vdebayer->ved.dev,
+ "deb: %s: RGB CALC: frame index %d, win pos %dx%d, color %d\n",
+ vdebayer->sd.name, index, wlin, wcol, color);
+
+ /* Get its value */
+ rgb[color] = rgb[color] +
+ vimc_debayer_get_val(&frame[index],
+ vdebayer->sink_bpp);
+
+ /* Save how many values we already added */
+ n_rgb[color]++;
+
+ dev_dbg(vdebayer->ved.dev, "deb: %s: RGB CALC: val %d, n %d\n",
+ vdebayer->sd.name, rgb[color], n_rgb[color]);
+ }
+ }
+
+ /* Calculate the mean */
+ for (i = 0; i < 3; i++) {
+ dev_dbg(vdebayer->ved.dev,
+ "deb: %s: PRE CALC: %dx%d Color %d, val %d, n %d\n",
+ vdebayer->sd.name, lin, col, i, rgb[i], n_rgb[i]);
+
+ if (n_rgb[i])
+ rgb[i] = rgb[i] / n_rgb[i];
+
+ dev_dbg(vdebayer->ved.dev,
+ "deb: %s: FINAL CALC: %dx%d Color %d, val %d\n",
+ vdebayer->sd.name, lin, col, i, rgb[i]);
+ }
+}
+
+static void *vimc_debayer_process_frame(struct vimc_ent_device *ved,
+ const void *sink_frame)
+{
+ struct vimc_debayer_device *vdebayer =
+ container_of(ved, struct vimc_debayer_device, ved);
+
+ unsigned int rgb[3];
+ unsigned int i, j;
+
+ /* If the stream in this node is not active, just return */
+ if (!vdebayer->src_frame)
+ return ERR_PTR(-EINVAL);
+
+ for (i = 0; i < vdebayer->sink_fmt.height; i++)
+ for (j = 0; j < vdebayer->sink_fmt.width; j++) {
+ vimc_debayer_calc_rgb_sink(vdebayer, sink_frame, i, j, rgb);
+ vdebayer->set_rgb_src(vdebayer, i, j, rgb);
+ }
+
+ return vdebayer->src_frame;
+}
+
+static int vimc_debayer_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct vimc_debayer_device *vdebayer =
+ container_of(ctrl->handler, struct vimc_debayer_device, hdl);
+
+ switch (ctrl->id) {
+ case VIMC_CID_MEAN_WIN_SIZE:
+ vdebayer->mean_win_size = ctrl->val;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static const struct v4l2_ctrl_ops vimc_debayer_ctrl_ops = {
+ .s_ctrl = vimc_debayer_s_ctrl,
+};
+
+static void vimc_debayer_release(struct vimc_ent_device *ved)
+{
+ struct vimc_debayer_device *vdebayer =
+ container_of(ved, struct vimc_debayer_device, ved);
+
+ v4l2_ctrl_handler_free(&vdebayer->hdl);
+ media_entity_cleanup(vdebayer->ved.ent);
+ kfree(vdebayer);
+}
+
+static const struct v4l2_ctrl_config vimc_debayer_ctrl_class = {
+ .flags = V4L2_CTRL_FLAG_READ_ONLY | V4L2_CTRL_FLAG_WRITE_ONLY,
+ .id = VIMC_CID_VIMC_CLASS,
+ .name = "VIMC Controls",
+ .type = V4L2_CTRL_TYPE_CTRL_CLASS,
+};
+
+static const struct v4l2_ctrl_config vimc_debayer_ctrl_mean_win_size = {
+ .ops = &vimc_debayer_ctrl_ops,
+ .id = VIMC_CID_MEAN_WIN_SIZE,
+ .name = "Debayer Mean Window Size",
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .min = 1,
+ .max = 25,
+ .step = 2,
+ .def = 3,
+};
+
+static struct vimc_ent_device *vimc_debayer_add(struct vimc_device *vimc,
+ const char *vcfg_name)
+{
+ struct v4l2_device *v4l2_dev = &vimc->v4l2_dev;
+ struct vimc_debayer_device *vdebayer;
+ int ret;
+
+ /* Allocate the vdebayer struct */
+ vdebayer = kzalloc(sizeof(*vdebayer), GFP_KERNEL);
+ if (!vdebayer)
+ return ERR_PTR(-ENOMEM);
+
+ /* Create controls: */
+ v4l2_ctrl_handler_init(&vdebayer->hdl, 2);
+ v4l2_ctrl_new_custom(&vdebayer->hdl, &vimc_debayer_ctrl_class, NULL);
+ v4l2_ctrl_new_custom(&vdebayer->hdl, &vimc_debayer_ctrl_mean_win_size, NULL);
+ vdebayer->sd.ctrl_handler = &vdebayer->hdl;
+ if (vdebayer->hdl.error) {
+ ret = vdebayer->hdl.error;
+ goto err_free_vdebayer;
+ }
+
+ /* Initialize ved and sd */
+ vdebayer->pads[0].flags = MEDIA_PAD_FL_SINK;
+ vdebayer->pads[1].flags = MEDIA_PAD_FL_SOURCE;
+
+ ret = vimc_ent_sd_register(&vdebayer->ved, &vdebayer->sd, v4l2_dev,
+ vcfg_name,
+ MEDIA_ENT_F_PROC_VIDEO_PIXEL_ENC_CONV, 2,
+ vdebayer->pads, &vimc_debayer_ops);
+ if (ret)
+ goto err_free_hdl;
+
+ vdebayer->ved.process_frame = vimc_debayer_process_frame;
+ vdebayer->ved.dev = vimc->mdev.dev;
+ vdebayer->mean_win_size = vimc_debayer_ctrl_mean_win_size.def;
+
+ /* Initialize the frame format */
+ vdebayer->sink_fmt = sink_fmt_default;
+ /*
+ * TODO: Add support for more output formats, we only support
+ * RGB888 for now
+ * NOTE: the src format is always the same as the sink, except
+ * for the code
+ */
+ vdebayer->src_code = MEDIA_BUS_FMT_RGB888_1X24;
+ vdebayer->set_rgb_src = vimc_debayer_process_rgb_frame;
+
+ return &vdebayer->ved;
+
+err_free_hdl:
+ v4l2_ctrl_handler_free(&vdebayer->hdl);
+err_free_vdebayer:
+ kfree(vdebayer);
+
+ return ERR_PTR(ret);
+}
+
+struct vimc_ent_type vimc_debayer_type = {
+ .add = vimc_debayer_add,
+ .release = vimc_debayer_release
+};