mirror of
https://github.com/Ysurac/openmptcprouter.git
synced 2025-03-09 15:40:20 +00:00
136 lines
4.9 KiB
Diff
136 lines
4.9 KiB
Diff
From f24e9bef4bcb119923602c2a79e5b98914bcfcdc Mon Sep 17 00:00:00 2001
|
|
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
|
|
Date: Mon, 16 Jan 2023 15:44:43 +0100
|
|
Subject: [PATCH 669/726] media: i2c: imx290: Compute pixel rate and blanking
|
|
in one place
|
|
|
|
Upstream commit 693b5cb598cc
|
|
|
|
The hblank, vblank, pixel rate and link frequency values and limits are
|
|
currently computed when creating controls, in imx290_ctrl_init(), and
|
|
updated in imx290_ctrl_update(). This duplicates the logic in different
|
|
places. Simplify the code by setting the control values and limits to
|
|
hardcoded values when creating the controls, and call
|
|
imx290_ctrl_update() to then update them.
|
|
|
|
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
|
|
Acked-by: Alexander Stein <alexander.stein@ew.tq-group.com>
|
|
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
|
|
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
---
|
|
drivers/media/i2c/imx290.c | 43 +++++++++++++++++---------------------
|
|
1 file changed, 19 insertions(+), 24 deletions(-)
|
|
|
|
diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c
|
|
index 25671ded7c2a..d3279d88f253 100644
|
|
--- a/drivers/media/i2c/imx290.c
|
|
+++ b/drivers/media/i2c/imx290.c
|
|
@@ -547,18 +547,6 @@ static int imx290_write_current_format(struct imx290 *imx290)
|
|
return 0;
|
|
}
|
|
|
|
-static u64 imx290_calc_pixel_rate(struct imx290 *imx290,
|
|
- const struct imx290_mode *mode)
|
|
-{
|
|
- s64 link_freq = imx290_link_freqs_ptr(imx290)[mode->link_freq_index];
|
|
- u64 pixel_rate;
|
|
-
|
|
- /* pixel rate = link_freq * 2 * nr_of_lanes / bits_per_sample */
|
|
- pixel_rate = link_freq * 2 * imx290->nlanes;
|
|
- do_div(pixel_rate, imx290->bpp);
|
|
- return pixel_rate;
|
|
-}
|
|
-
|
|
/* ----------------------------------------------------------------------------
|
|
* Controls
|
|
*/
|
|
@@ -632,6 +620,8 @@ static void imx290_ctrl_update(struct imx290 *imx290,
|
|
{
|
|
unsigned int hblank = mode->hmax - mode->width;
|
|
unsigned int vblank = IMX290_VMAX_DEFAULT - mode->height;
|
|
+ s64 link_freq = imx290_link_freqs_ptr(imx290)[mode->link_freq_index];
|
|
+ u64 pixel_rate;
|
|
|
|
/*
|
|
* This function may be called from imx290_set_fmt() before controls
|
|
@@ -640,9 +630,12 @@ static void imx290_ctrl_update(struct imx290 *imx290,
|
|
if (!imx290->ctrls.lock)
|
|
return;
|
|
|
|
+ /* pixel rate = link_freq * 2 * nr_of_lanes / bits_per_sample */
|
|
+ pixel_rate = link_freq * 2 * imx290->nlanes;
|
|
+ do_div(pixel_rate, imx290->bpp);
|
|
+
|
|
__v4l2_ctrl_s_ctrl(imx290->link_freq, mode->link_freq_index);
|
|
- __v4l2_ctrl_s_ctrl_int64(imx290->pixel_rate,
|
|
- imx290_calc_pixel_rate(imx290, mode));
|
|
+ __v4l2_ctrl_s_ctrl_int64(imx290->pixel_rate, pixel_rate);
|
|
|
|
__v4l2_ctrl_modify_range(imx290->hblank, hblank, hblank, 1, hblank);
|
|
__v4l2_ctrl_modify_range(imx290->vblank, vblank, vblank, 1, vblank);
|
|
@@ -651,8 +644,6 @@ static void imx290_ctrl_update(struct imx290 *imx290,
|
|
static int imx290_ctrl_init(struct imx290 *imx290)
|
|
{
|
|
struct v4l2_fwnode_device_properties props;
|
|
- unsigned int blank;
|
|
- u64 pixel_rate;
|
|
int ret;
|
|
|
|
ret = v4l2_fwnode_device_parse(imx290->dev, &props);
|
|
@@ -682,6 +673,11 @@ static int imx290_ctrl_init(struct imx290 *imx290)
|
|
V4L2_CID_EXPOSURE, 1, IMX290_VMAX_DEFAULT - 2, 1,
|
|
IMX290_VMAX_DEFAULT - 2);
|
|
|
|
+ /*
|
|
+ * Set the link frequency, pixel rate, horizontal blanking and vertical
|
|
+ * blanking to hardcoded values, they will be updated by
|
|
+ * imx290_ctrl_update().
|
|
+ */
|
|
imx290->link_freq =
|
|
v4l2_ctrl_new_int_menu(&imx290->ctrls, &imx290_ctrl_ops,
|
|
V4L2_CID_LINK_FREQ,
|
|
@@ -690,27 +686,22 @@ static int imx290_ctrl_init(struct imx290 *imx290)
|
|
if (imx290->link_freq)
|
|
imx290->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
|
|
|
|
- pixel_rate = imx290_calc_pixel_rate(imx290, imx290->current_mode);
|
|
imx290->pixel_rate = v4l2_ctrl_new_std(&imx290->ctrls, &imx290_ctrl_ops,
|
|
V4L2_CID_PIXEL_RATE,
|
|
- 1, INT_MAX, 1, pixel_rate);
|
|
+ 1, INT_MAX, 1, 1);
|
|
|
|
v4l2_ctrl_new_std_menu_items(&imx290->ctrls, &imx290_ctrl_ops,
|
|
V4L2_CID_TEST_PATTERN,
|
|
ARRAY_SIZE(imx290_test_pattern_menu) - 1,
|
|
0, 0, imx290_test_pattern_menu);
|
|
|
|
- blank = imx290->current_mode->hmax - imx290->current_mode->width;
|
|
imx290->hblank = v4l2_ctrl_new_std(&imx290->ctrls, &imx290_ctrl_ops,
|
|
- V4L2_CID_HBLANK, blank, blank, 1,
|
|
- blank);
|
|
+ V4L2_CID_HBLANK, 1, 1, 1, 1);
|
|
if (imx290->hblank)
|
|
imx290->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
|
|
|
|
- blank = IMX290_VMAX_DEFAULT - imx290->current_mode->height;
|
|
imx290->vblank = v4l2_ctrl_new_std(&imx290->ctrls, &imx290_ctrl_ops,
|
|
- V4L2_CID_VBLANK, blank, blank, 1,
|
|
- blank);
|
|
+ V4L2_CID_VBLANK, 1, 1, 1, 1);
|
|
if (imx290->vblank)
|
|
imx290->vblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
|
|
|
|
@@ -725,6 +716,10 @@ static int imx290_ctrl_init(struct imx290 *imx290)
|
|
return ret;
|
|
}
|
|
|
|
+ mutex_lock(imx290->ctrls.lock);
|
|
+ imx290_ctrl_update(imx290, imx290->current_mode);
|
|
+ mutex_unlock(imx290->ctrls.lock);
|
|
+
|
|
return 0;
|
|
}
|
|
|
|
--
|
|
2.33.1
|
|
|