diff options
author | Kaaira Gupta <kgupta@es.iitr.ac.in> | 2020-07-05 16:53:06 +0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-07-19 14:39:22 +0300 |
commit | 5f3fb5c54d67670fa6743d2434a5bd43a97c01de (patch) | |
tree | 41d7812c92e0241a8ec1a1f9a80ea6cda2241693 | |
parent | 7a785081a16968a28adce223c572111d2d57a83e (diff) | |
download | linux-5f3fb5c54d67670fa6743d2434a5bd43a97c01de.tar.xz |
media: vimc: Add a control to display info on test image
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>
-rw-r--r-- | drivers/media/test-drivers/vimc/Kconfig | 2 | ||||
-rw-r--r-- | drivers/media/test-drivers/vimc/vimc-common.h | 1 | ||||
-rw-r--r-- | drivers/media/test-drivers/vimc/vimc-core.c | 10 | ||||
-rw-r--r-- | drivers/media/test-drivers/vimc/vimc-sensor.c | 71 |
4 files changed, 84 insertions, 0 deletions
diff --git a/drivers/media/test-drivers/vimc/Kconfig b/drivers/media/test-drivers/vimc/Kconfig index 4068a67585f9..da4b2ad6e40c 100644 --- a/drivers/media/test-drivers/vimc/Kconfig +++ b/drivers/media/test-drivers/vimc/Kconfig @@ -2,6 +2,8 @@ config VIDEO_VIMC tristate "Virtual Media Controller Driver (VIMC)" depends on VIDEO_DEV && VIDEO_V4L2 + select FONT_SUPPORT + select FONT_8x16 select MEDIA_CONTROLLER select VIDEO_V4L2_SUBDEV_API select VIDEOBUF2_VMALLOC diff --git a/drivers/media/test-drivers/vimc/vimc-common.h b/drivers/media/test-drivers/vimc/vimc-common.h index ae163dec2459..a289434e75ba 100644 --- a/drivers/media/test-drivers/vimc/vimc-common.h +++ b/drivers/media/test-drivers/vimc/vimc-common.h @@ -20,6 +20,7 @@ #define VIMC_CID_VIMC_CLASS (0x00f00000 | 1) #define VIMC_CID_TEST_PATTERN (VIMC_CID_VIMC_BASE + 0) #define VIMC_CID_MEAN_WIN_SIZE (VIMC_CID_VIMC_BASE + 1) +#define VIMC_CID_OSD_TEXT_MODE (VIMC_CID_VIMC_BASE + 2) #define VIMC_FRAME_MAX_WIDTH 4096 #define VIMC_FRAME_MAX_HEIGHT 2160 diff --git a/drivers/media/test-drivers/vimc/vimc-core.c b/drivers/media/test-drivers/vimc/vimc-core.c index 11210aaa2551..4b0ae6f51d76 100644 --- a/drivers/media/test-drivers/vimc/vimc-core.c +++ b/drivers/media/test-drivers/vimc/vimc-core.c @@ -5,10 +5,12 @@ * Copyright (C) 2015-2017 Helen Koike <helen.fornazier@gmail.com> */ +#include <linux/font.h> #include <linux/init.h> #include <linux/module.h> #include <linux/platform_device.h> #include <media/media-device.h> +#include <media/tpg/v4l2-tpg.h> #include <media/v4l2-device.h> #include "vimc-common.h" @@ -263,11 +265,19 @@ err_v4l2_unregister: static int vimc_probe(struct platform_device *pdev) { + const struct font_desc *font = find_font("VGA8x16"); struct vimc_device *vimc; int ret; dev_dbg(&pdev->dev, "probe"); + if (!font) { + dev_err(&pdev->dev, "could not find font\n"); + return -ENODEV; + } + + tpg_set_font(font->data); + vimc = kzalloc(sizeof(*vimc), GFP_KERNEL); if (!vimc) return -ENOMEM; diff --git a/drivers/media/test-drivers/vimc/vimc-sensor.c b/drivers/media/test-drivers/vimc/vimc-sensor.c index a2f09ac9a360..ba5db5a150b4 100644 --- a/drivers/media/test-drivers/vimc/vimc-sensor.c +++ b/drivers/media/test-drivers/vimc/vimc-sensor.c @@ -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, |