[PATCH v14 07/11] media: vivid: Add an rectangle control

Yunke Cao
2023-12-01T07:19:48Z

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-cisco@xs4all.nl>
---
Changelog since v13:
- Added Reviewed-by from Hans

.../media/test-drivers/vivid/vivid-ctrls.c | 34 +++++++++++++++++++
1 file changed, 34 insertions(+)

diff --git a/drivers/media/test-drivers/vivid/vivid-ctrls.c b/drivers/media/test-drivers/vivid/vivid-ctrls.c
index f2b20e25a7a4..27a1173c7734 100644
--- a/drivers/media/test-drivers/vivid/vivid-ctrls.c
+++ b/drivers/media/test-drivers/vivid/vivid-ctrls.c
@@ -38,6 +38,7 @@
#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)
@@ -357,6 +358,38 @@ 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)
@@ -1677,6 +1710,7 @@ 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);
--
2.43.0.rc2.451.g8631bc7472-goog