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media: ov5640: Add 60 fps support

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Now that we have everything in place to compute the clock rate at runtime,
we can enable the 60fps framerate for the mode we tested it with.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Tested-by: Adam Ford <aford173@gmail.com> #imx6dq
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Maxime Ripard 2018-12-03 03:44:26 -05:00 committed by Mauro Carvalho Chehab
parent f6cc192fbf
commit e823fb165b
1 changed files with 16 additions and 4 deletions
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20
drivers/media/i2c/ov5640.c
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@ -111,6 +111,7 @@ enum ov5640_mode_id {
enum ov5640_frame_rate {
OV5640_15_FPS = 0,
OV5640_30_FPS,
OV5640_60_FPS,
OV5640_NUM_FRAMERATES,
};
@ -139,6 +140,7 @@ MODULE_PARM_DESC(virtual_channel,
static const int ov5640_framerates[] = {
[OV5640_15_FPS] = 15,
[OV5640_30_FPS] = 30,
[OV5640_60_FPS] = 60,
};
/* regulator supplies */
@ -1562,6 +1564,11 @@ ov5640_find_mode(struct ov5640_dev *sensor, enum ov5640_frame_rate fr,
(!nearest && (mode->hact != width || mode->vact != height)))
return NULL;
/* Only 640x480 can operate at 60fps (for now) */
if (fr == OV5640_60_FPS &&
!(mode->hact == 640 && mode->vact == 480))
return NULL;
return mode;
}
@ -2057,12 +2064,13 @@ static int ov5640_try_frame_interval(struct ov5640_dev *sensor,
int i;
minfps = ov5640_framerates[OV5640_15_FPS];
maxfps = ov5640_framerates[OV5640_30_FPS];
maxfps = ov5640_framerates[OV5640_60_FPS];
if (fi->numerator == 0) {
fi->denominator = maxfps;
fi->numerator = 1;
return OV5640_30_FPS;
rate = OV5640_60_FPS;
goto find_mode;
}
fps = clamp_val(DIV_ROUND_CLOSEST(fi->denominator, fi->numerator),
@ -2081,6 +2089,7 @@ static int ov5640_try_frame_interval(struct ov5640_dev *sensor,
fi->numerator = 1;
fi->denominator = best_fps;
find_mode:
mode = ov5640_find_mode(sensor, rate, width, height, false);
return mode ? rate : -EINVAL;
}
@ -2699,8 +2708,11 @@ static int ov5640_s_frame_interval(struct v4l2_subdev *sd,
frame_rate = ov5640_try_frame_interval(sensor, &fi->interval,
mode->hact, mode->vact);
if (frame_rate < 0)
frame_rate = OV5640_15_FPS;
if (frame_rate < 0) {
/* Always return a valid frame interval value */
fi->interval = sensor->frame_interval;
goto out;
}
mode = ov5640_find_mode(sensor, frame_rate, mode->hact,
mode->vact, true);