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Message-ID: <20241018054448.3190423-7-ming.qian@nxp.com>
Date: Fri, 18 Oct 2024 14:44:48 +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 6/6] media: vivid: Add a video region ctrl
This control represents a generic read/write region.
It supports V4L2_CTRL_WHICH_MIN/MAX_VAL.
Signed-off-by: Ming Qian <ming.qian@....com>
Signed-off-by: TaoJiang <tao.jiang_2@....com>
---
.../media/test-drivers/vivid/vivid-ctrls.c | 28 +++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/drivers/media/test-drivers/vivid/vivid-ctrls.c b/drivers/media/test-drivers/vivid/vivid-ctrls.c
index bed5f4fb0c69..6ea64bea13de 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_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_REGION (VIVID_CID_CUSTOM_BASE + 18)
#define VIVID_CID_VIVID_BASE (0x00f00000 | 0xf000)
#define VIVID_CID_VIVID_CLASS (0x00f00000 | 1)
@@ -393,6 +394,32 @@ static const struct v4l2_ctrl_config vivid_ctrl_rect = {
.p_max.p_const = &rect_max,
};
+static const struct v4l2_ctrl_video_region_param region_def = {
+ .rect = { 0, 0, 0, 0 },
+ .parameter = 0,
+};
+
+static const struct v4l2_ctrl_video_region_param region_min = {
+ .rect = { 0, 0, 0, 0 },
+ .parameter = -51,
+};
+
+static const struct v4l2_ctrl_video_region_param region_max = {
+ .rect = { 0, 0, 1920, 1080 },
+ .parameter = 51,
+};
+
+static const struct v4l2_ctrl_config vivid_ctrl_region = {
+ .ops = &vivid_user_gen_ctrl_ops,
+ .id = VIVID_CID_REGION,
+ .name = "Region",
+ .type = V4L2_CTRL_TYPE_REGION,
+ .flags = V4L2_CTRL_FLAG_HAS_WHICH_MIN_MAX,
+ .p_def.p_const = ®ion_def,
+ .p_min.p_const = ®ion_min,
+ .p_max.p_const = ®ion_max,
+};
+
/* Framebuffer Controls */
static int vivid_fb_s_ctrl(struct v4l2_ctrl *ctrl)
@@ -1719,6 +1746,7 @@ int vivid_create_controls(struct vivid_dev *dev, bool show_ccs_cap,
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_region, 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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