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media: vivid: Add a rectangle control

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This control represents a generic read/write rectangle.
It supports V4L2_CTRL_WHICH_MIN/MAX_VAL.

Signed-off-by: Yunke Cao <yunkec@google.com>
Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl>
Tested-by: Yunke Cao <yunkec@google.com>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Link: https://lore.kernel.org/r/20250203-uvc-roi-v17-3-5900a9fed613@chromium.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
This commit is contained in:
Yunke Cao
2025-02-03 11:55:39 +00:00
committed by Hans Verkuil
parent a5bd42aafb
commit ad2ebde8ee
1 changed files with 34 additions and 0 deletions
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drivers/media/test-drivers/vivid/vivid-ctrls.c
+34
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@@ -37,6 +37,7 @@
#define VIVID_CID_U8_PIXEL_ARRAY (VIVID_CID_CUSTOM_BASE + 14)
#define VIVID_CID_S32_ARRAY (VIVID_CID_CUSTOM_BASE + 15)
#define VIVID_CID_S64_ARRAY (VIVID_CID_CUSTOM_BASE + 16)
#define VIVID_CID_RECT (VIVID_CID_CUSTOM_BASE + 17)
#define VIVID_CID_VIVID_BASE (0x00f00000 | 0xf000)
#define VIVID_CID_VIVID_CLASS (0x00f00000 | 1)
@@ -360,6 +361,38 @@ static const struct v4l2_ctrl_config vivid_ctrl_ro_int32 = {
.step = 1,
};
static const struct v4l2_rect rect_def = {
.top = 100,
.left = 200,
.width = 300,
.height = 400,
};
static const struct v4l2_rect rect_min = {
.top = 0,
.left = 0,
.width = 1,
.height = 1,
};
static const struct v4l2_rect rect_max = {
.top = 0,
.left = 0,
.width = 1000,
.height = 2000,
};
static const struct v4l2_ctrl_config vivid_ctrl_rect = {
.ops = &vivid_user_gen_ctrl_ops,
.id = VIVID_CID_RECT,
.name = "Rect",
.type = V4L2_CTRL_TYPE_RECT,
.flags = V4L2_CTRL_FLAG_HAS_WHICH_MIN_MAX,
.p_def.p_const = &rect_def,
.p_min.p_const = &rect_min,
.p_max.p_const = &rect_max,
};
/* Framebuffer Controls */
static int vivid_fb_s_ctrl(struct v4l2_ctrl *ctrl)
@@ -1685,6 +1718,7 @@ int vivid_create_controls(struct vivid_dev *dev, bool show_ccs_cap,
dev->int_menu = v4l2_ctrl_new_custom(hdl_user_gen, &vivid_ctrl_int_menu, NULL);
dev->ro_int32 = v4l2_ctrl_new_custom(hdl_user_gen, &vivid_ctrl_ro_int32, NULL);
v4l2_ctrl_new_custom(hdl_user_gen, &vivid_ctrl_area, NULL);
v4l2_ctrl_new_custom(hdl_user_gen, &vivid_ctrl_rect, NULL);
v4l2_ctrl_new_custom(hdl_user_gen, &vivid_ctrl_u32_array, NULL);
v4l2_ctrl_new_custom(hdl_user_gen, &vivid_ctrl_u32_dyn_array, NULL);
v4l2_ctrl_new_custom(hdl_user_gen, &vivid_ctrl_u16_matrix, NULL);