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From ec6c2c03f8c59cada4f8b0409b51534c54da282a Mon Sep 17 00:00:00 2001
From: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Date: Thu, 13 Feb 2020 10:02:20 +0300
Subject: [PATCH] media: i2c: ar0233: add fps setup
This add FPS setup for AR0233/AR0220
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
---
drivers/media/i2c/soc_camera/ar0233.c | 59 +++++++++++++++++++++++++++++++++--
1 file changed, 57 insertions(+), 2 deletions(-)
diff --git a/drivers/media/i2c/soc_camera/ar0233.c b/drivers/media/i2c/soc_camera/ar0233.c
index cdd2d8a..fbff49b 100644
--- a/drivers/media/i2c/soc_camera/ar0233.c
+++ b/drivers/media/i2c/soc_camera/ar0233.c
@@ -55,6 +55,8 @@ struct ar0233_priv {
struct v4l2_ctrl_handler hdl;
struct media_pad pad;
struct v4l2_rect rect;
+ int fps_denominator;
+ int fps_numerator;
int init_complete;
u8 id[6];
bool emb_enable;
@@ -63,6 +65,7 @@ struct ar0233_priv {
int ti9x3_addr;
int port;
int trigger;
+ int vts;
};
static int extclk = 23;
@@ -271,6 +274,53 @@ static int ar0233_g_mbus_config(struct v4l2_subdev *sd,
return 0;
}
+static int ar0233_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct ar0233_priv *priv = to_ar0233(client);
+ struct v4l2_captureparm *cp = &parms->parm.capture;
+
+ if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ return -EINVAL;
+
+ memset(cp, 0, sizeof(struct v4l2_captureparm));
+ cp->capability = V4L2_CAP_TIMEPERFRAME;
+ cp->timeperframe.numerator = priv->fps_numerator;
+ cp->timeperframe.denominator = priv->fps_denominator;
+
+ return 0;
+}
+
+static int ar0233_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct ar0233_priv *priv = to_ar0233(client);
+ struct v4l2_captureparm *cp = &parms->parm.capture;
+ int ret = 0;
+
+ if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ return -EINVAL;
+ if (cp->extendedmode != 0)
+ return -EINVAL;
+
+ if (priv->fps_denominator != cp->timeperframe.denominator ||
+ priv->fps_numerator != cp->timeperframe.numerator) {
+ switch (chipid) {
+ case AR0220_PID:
+ priv->vts = (AR0233_SENSOR_HEIGHT + 794) * 30 * cp->timeperframe.numerator / cp->timeperframe.denominator; break;
+ case AR0233_PID:
+ priv->vts = (AR0233_SENSOR_HEIGHT + 100) * 30 * cp->timeperframe.numerator / cp->timeperframe.denominator; break;
+ };
+
+ ret = reg16_write16(client, 0x300A, priv->vts); /* FRAME_LENGTH_LINES_ */
+
+ priv->fps_numerator = cp->timeperframe.numerator;
+ priv->fps_denominator = cp->timeperframe.denominator;
+ }
+
+ return ret;
+}
+
#ifdef CONFIG_VIDEO_ADV_DEBUG
static int ar0233_g_register(struct v4l2_subdev *sd,
struct v4l2_dbg_register *reg)
@@ -335,7 +385,8 @@ static int ar0233_s_ctrl(struct v4l2_ctrl *ctrl)
break;
case V4L2_CID_EXPOSURE:
/* T1 exposure */
- ret = reg16_write16(client, 0x3012, ctrl->val);
+ if (ctrl->val < 0x600 * 30 * priv->fps_numerator / priv->fps_denominator)
+ ret = reg16_write16(client, 0x3012, ctrl->val);
break;
case V4L2_CID_HFLIP:
ret = reg16_read16(client, 0x3040, &val);
@@ -374,6 +425,8 @@ static const struct v4l2_ctrl_ops ar0233_ctrl_ops = {
static struct v4l2_subdev_video_ops ar0233_video_ops = {
.s_stream = ar0233_s_stream,
.g_mbus_config = ar0233_g_mbus_config,
+ .g_parm = ar0233_g_parm,
+ .s_parm = ar0233_s_parm,
};
static const struct v4l2_subdev_pad_ops ar0233_subdev_pad_ops = {
@@ -654,6 +707,8 @@ static int ar0233_probe(struct i2c_client *client,
v4l2_i2c_subdev_init(&priv->sd, client, &ar0233_subdev_ops);
priv->sd.flags = V4L2_SUBDEV_FL_HAS_DEVNODE;
+ priv->fps_numerator = 1;
+ priv->fps_denominator = 30;
v4l2_ctrl_handler_init(&priv->hdl, 4);
v4l2_ctrl_new_std(&priv->hdl, &ar0233_ctrl_ops,
@@ -675,7 +730,7 @@ static int ar0233_probe(struct i2c_client *client,
v4l2_ctrl_new_std(&priv->hdl, &ar0233_ctrl_ops,
V4L2_CID_ANALOGUE_GAIN, 1, 0xe, 1, 0xa);
v4l2_ctrl_new_std(&priv->hdl, &ar0233_ctrl_ops,
- V4L2_CID_EXPOSURE, 1, 0x600, 1, 0x144);
+ V4L2_CID_EXPOSURE, 1, 0x600 * 30, 1, 0x144);
v4l2_ctrl_new_std(&priv->hdl, &ar0233_ctrl_ops,
V4L2_CID_HFLIP, 0, 1, 1, 1);
v4l2_ctrl_new_std(&priv->hdl, &ar0233_ctrl_ops,
--
2.7.4
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