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media: vimc: Add a control to display info on test image

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Add a control in VIMC to display information such as the correct order of
colors for a given test pattern, counter, brightness, hue, saturation,
contrast, width and height at sensor over test image.

Signed-off-by: Kaaira Gupta <kgupta@es.iitr.ac.in>
Acked-by: Helen Koike <helen.koike@collabora.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Kaaira Gupta
2020-07-05 15:53:06 +02:00
committed by Mauro Carvalho Chehab
parent 7a785081a1
commit 5f3fb5c54d
4 changed files with 84 additions and 0 deletions
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71
drivers/media/test-drivers/vimc/vimc-sensor.c
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@@ -14,11 +14,19 @@
#include "vimc-common.h"
enum vimc_sen_osd_mode {
VIMC_SEN_OSD_SHOW_ALL = 0,
VIMC_SEN_OSD_SHOW_COUNTERS = 1,
VIMC_SEN_OSD_SHOW_NONE = 2
};
struct vimc_sen_device {
struct vimc_ent_device ved;
struct v4l2_subdev sd;
struct tpg_data tpg;
u8 *frame;
enum vimc_sen_osd_mode osd_value;
u64 start_stream_ts;
/* The active format */
struct v4l2_mbus_framefmt mbus_format;
struct v4l2_ctrl_handler hdl;
@@ -187,8 +195,49 @@ static void *vimc_sen_process_frame(struct vimc_ent_device *ved,
{
struct vimc_sen_device *vsen = container_of(ved, struct vimc_sen_device,
ved);
const unsigned int line_height = 16;
u8 *basep[TPG_MAX_PLANES][2];
unsigned int line = 1;
char str[100];
tpg_fill_plane_buffer(&vsen->tpg, 0, 0, vsen->frame);
tpg_calc_text_basep(&vsen->tpg, basep, 0, vsen->frame);
switch (vsen->osd_value) {
case VIMC_SEN_OSD_SHOW_ALL: {
const char *order = tpg_g_color_order(&vsen->tpg);
tpg_gen_text(&vsen->tpg, basep, line++ * line_height,
16, order);
snprintf(str, sizeof(str),
"brightness %3d, contrast %3d, saturation %3d, hue %d ",
vsen->tpg.brightness,
vsen->tpg.contrast,
vsen->tpg.saturation,
vsen->tpg.hue);
tpg_gen_text(&vsen->tpg, basep, line++ * line_height, 16, str);
snprintf(str, sizeof(str), "sensor size: %dx%d",
vsen->mbus_format.width,
vsen->mbus_format.height);
tpg_gen_text(&vsen->tpg, basep, line++ * line_height, 16, str);
fallthrough;
}
case VIMC_SEN_OSD_SHOW_COUNTERS: {
unsigned int ms;
ms = div_u64(ktime_get_ns() - vsen->start_stream_ts, 1000000);
snprintf(str, sizeof(str), "%02d:%02d:%02d:%03d",
(ms / (60 * 60 * 1000)) % 24,
(ms / (60 * 1000)) % 60,
(ms / 1000) % 60,
ms % 1000);
tpg_gen_text(&vsen->tpg, basep, line++ * line_height, 16, str);
break;
}
case VIMC_SEN_OSD_SHOW_NONE:
default:
break;
}
return vsen->frame;
}
@@ -201,6 +250,8 @@ static int vimc_sen_s_stream(struct v4l2_subdev *sd, int enable)
const struct vimc_pix_map *vpix;
unsigned int frame_size;
vsen->start_stream_ts = ktime_get_ns();
/* Calculate the frame size */
vpix = vimc_pix_map_by_code(vsen->mbus_format.code);
frame_size = vsen->mbus_format.width * vpix->bpp *
@@ -269,6 +320,9 @@ static int vimc_sen_s_ctrl(struct v4l2_ctrl *ctrl)
case V4L2_CID_SATURATION:
tpg_s_saturation(&vsen->tpg, ctrl->val);
break;
case VIMC_CID_OSD_TEXT_MODE:
vsen->osd_value = ctrl->val;
break;
default:
return -EINVAL;
}
@@ -307,6 +361,22 @@ static const struct v4l2_ctrl_config vimc_sen_ctrl_test_pattern = {
.qmenu = tpg_pattern_strings,
};
static const char * const vimc_ctrl_osd_mode_strings[] = {
"All",
"Counters Only",
"None",
NULL,
};
static const struct v4l2_ctrl_config vimc_sen_ctrl_osd_mode = {
.ops = &vimc_sen_ctrl_ops,
.id = VIMC_CID_OSD_TEXT_MODE,
.name = "Show Information",
.type = V4L2_CTRL_TYPE_MENU,
.max = ARRAY_SIZE(vimc_ctrl_osd_mode_strings) - 2,
.qmenu = vimc_ctrl_osd_mode_strings,
};
static struct vimc_ent_device *vimc_sen_add(struct vimc_device *vimc,
const char *vcfg_name)
{
@@ -323,6 +393,7 @@ static struct vimc_ent_device *vimc_sen_add(struct vimc_device *vimc,
v4l2_ctrl_new_custom(&vsen->hdl, &vimc_sen_ctrl_class, NULL);
v4l2_ctrl_new_custom(&vsen->hdl, &vimc_sen_ctrl_test_pattern, NULL);
v4l2_ctrl_new_custom(&vsen->hdl, &vimc_sen_ctrl_osd_mode, NULL);
v4l2_ctrl_new_std(&vsen->hdl, &vimc_sen_ctrl_ops,
V4L2_CID_VFLIP, 0, 1, 1, 0);
v4l2_ctrl_new_std(&vsen->hdl, &vimc_sen_ctrl_ops,