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Message-ID: <20241018054448.3190423-3-ming.qian@nxp.com>
Date: Fri, 18 Oct 2024 14:44:44 +0900
From: Ming Qian <ming.qian@....com>
To: mchehab@...nel.org,
hverkuil-cisco@...all.nl
Cc: yunkec@...gle.com,
nicolas@...fresne.ca,
s.hauer@...gutronix.de,
kernel@...gutronix.de,
festevam@...il.com,
linux-imx@....com,
xiahong.bao@....com,
ming.zhou@....com,
eagle.zhou@....com,
tao.jiang_2@....com,
ming.qian@....nxp.com,
imx@...ts.linux.dev,
linux-media@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org
Subject: [RFC v2 2/6] media: vivid: Add an rectangle control
From: Yunke Cao <yunkec@...gle.com>
This control represents a generic read/write rectangle.
It supports V4L2_CTRL_WHICH_MIN/MAX_VAL.
Signed-off-by: Yunke Cao <yunkec@...gle.com>
Reviewed-by: Hans Verkuil <hverkuil-cisco@...all.nl>
---
.../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 8bb38bc7b8cc..bed5f4fb0c69 100644
--- a/drivers/media/test-drivers/vivid/vivid-ctrls.c
+++ b/drivers/media/test-drivers/vivid/vivid-ctrls.c
@@ -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);
--
2.43.0-rc1
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