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media: i2c: sc2232 support get real fps

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Signed-off-by: Zefa Chen <zefa.chen@rock-chips.com>
Change-Id: I0a7d39efdf19be64c0a6fd1a07d1ea95f5a9c1ec
This commit is contained in:
Zefa Chen
2022-09-05 21:32:24 +08:00
committed by Tao Huang
parent 5a810868d7
commit 8973f1f7d1
1 changed files with 21 additions and 3 deletions
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24
drivers/media/i2c/sc2232.c
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@@ -133,6 +133,7 @@ struct sc2232 {
struct v4l2_ctrl *pixel_rate;
struct v4l2_ctrl *link_freq;
struct mutex mutex;
struct v4l2_fract cur_fps;
bool streaming;
bool power_on;
const struct sc2232_mode *cur_mode;
@@ -510,6 +511,8 @@ static int sc2232_set_fmt(struct v4l2_subdev *sd,
pixel_rate = (u32)link_freq_items[mode->mipi_freq_idx] /
mode->bpp * 2 * SC2232_LANES;
__v4l2_ctrl_s_ctrl_int64(sc2232->pixel_rate, pixel_rate);
sc2232->cur_fps = mode->max_fps;
sc2232->cur_vts = mode->vts_def;
}
mutex_unlock(&sc2232->mutex);
@@ -586,9 +589,10 @@ static int sc2232_g_frame_interval(struct v4l2_subdev *sd,
struct sc2232 *sc2232 = to_sc2232(sd);
const struct sc2232_mode *mode = sc2232->cur_mode;
mutex_lock(&sc2232->mutex);
fi->interval = mode->max_fps;
mutex_unlock(&sc2232->mutex);
if (sc2232->streaming)
fi->interval = sc2232->cur_fps;
else
fi->interval = mode->max_fps;
return 0;
}
@@ -1153,6 +1157,14 @@ static const struct v4l2_subdev_ops sc2232_subdev_ops = {
.pad = &sc2232_pad_ops, /* */
};
static void sc2232_modify_fps_info(struct sc2232 *sc2232)
{
const struct sc2232_mode *mode = sc2232->cur_mode;
sc2232->cur_fps.denominator = mode->max_fps.denominator * sc2232->cur_vts /
mode->vts_def;
}
static int sc2232_set_ctrl(struct v4l2_ctrl *ctrl)
{
struct sc2232 *sc2232 = container_of(ctrl->handler,
@@ -1205,6 +1217,10 @@ static int sc2232_set_ctrl(struct v4l2_ctrl *ctrl)
ret = sc2232_write_reg(sc2232->client, SC2232_REG_VTS,
SC2232_REG_VALUE_16BIT,
ctrl->val + sc2232->cur_mode->height);
if (!ret)
sc2232->cur_vts = ctrl->val + sc2232->cur_mode->height;
if (sc2232->cur_vts != sc2232->cur_mode->vts_def)
sc2232_modify_fps_info(sc2232);
dev_dbg(&client->dev, "set vblank 0x%x\n",
ctrl->val);
break;
@@ -1311,6 +1327,8 @@ static int sc2232_initialize_controls(struct sc2232 *sc2232)
sc2232->subdev.ctrl_handler = handler;
sc2232->has_init_exp = false;
sc2232->cur_vts = mode->vts_def;
sc2232->cur_fps = mode->max_fps;
return 0;