Hi Kaaira,
On 01/07/2020 14:29, Kaaira Gupta wrote:
> 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
> Acked-by: Helen Koike
> ---
> drivers/media/test-drivers/vimc/Kconfig | 2 +
> drivers/media/test-drivers/vimc/vimc-common.h | 1 +
> drivers/media/test-drivers/vimc/vimc-core.c | 10 +++
> drivers/media/test-drivers/vimc/vimc-sensor.c | 71 +++
> 4 files changed, 84 insertions(+)
>
> 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 (0x00f0 | 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
> */
>
> +#include
> #include
> #include
> #include
> #include
> +#include
> #include
>
> #include "vimc-common.h"
> @@ -263,11 +265,19 @@ static int vimc_register_devices(struct vimc_device
> *vimc)
>
> 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..f5674b9b757e 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);
> +
