+++ /dev/null
-From 450dc10dd858314fcb5e18942b6e5260e3478f10 Mon Sep 17 00:00:00 2001
-From: Dave Stevenson <dave.stevenson@raspberrypi.com>
-Date: Wed, 29 Apr 2020 11:46:07 +0100
-Subject: [PATCH] media: i2c: ov5647: Add support for g_selection to
- reflect cropping/binning
-
-In order to apply lens shading correctly the client needs to know how
-each mode crops or scales the image compared to the full sensor array.
-Implement this (based on the imx219 equivalent).
-
-Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
----
- drivers/media/i2c/ov5647.c | 119 ++++++++++++++++++++++++++++++-------
- 1 file changed, 96 insertions(+), 23 deletions(-)
-
---- a/drivers/media/i2c/ov5647.c
-+++ b/drivers/media/i2c/ov5647.c
-@@ -70,25 +70,14 @@
- #define VAL_TERM 0xfe
- #define REG_DLY 0xffff
-
--#define OV5647_ROW_START 0x01
--#define OV5647_ROW_START_MIN 0
--#define OV5647_ROW_START_MAX 2004
--#define OV5647_ROW_START_DEF 54
--
--#define OV5647_COLUMN_START 0x02
--#define OV5647_COLUMN_START_MIN 0
--#define OV5647_COLUMN_START_MAX 2750
--#define OV5647_COLUMN_START_DEF 16
--
--#define OV5647_WINDOW_HEIGHT 0x03
--#define OV5647_WINDOW_HEIGHT_MIN 2
--#define OV5647_WINDOW_HEIGHT_MAX 2006
--#define OV5647_WINDOW_HEIGHT_DEF 1944
--
--#define OV5647_WINDOW_WIDTH 0x04
--#define OV5647_WINDOW_WIDTH_MIN 2
--#define OV5647_WINDOW_WIDTH_MAX 2752
--#define OV5647_WINDOW_WIDTH_DEF 2592
-+/* OV5647 native and active pixel array size */
-+#define OV5647_NATIVE_WIDTH 2624U
-+#define OV5647_NATIVE_HEIGHT 1956U
-+
-+#define OV5647_PIXEL_ARRAY_LEFT 16U
-+#define OV5647_PIXEL_ARRAY_TOP 16U
-+#define OV5647_PIXEL_ARRAY_WIDTH 2592U
-+#define OV5647_PIXEL_ARRAY_HEIGHT 1944U
-
- struct regval_list {
- u16 addr;
-@@ -97,6 +86,9 @@ struct regval_list {
-
- struct ov5647_mode {
- struct v4l2_mbus_framefmt format;
-+ /* Analog crop rectangle. */
-+ struct v4l2_rect crop;
-+
- struct regval_list *reg_list;
- unsigned int num_regs;
- };
-@@ -603,6 +595,12 @@ static struct ov5647_mode supported_mode
- .width = 640,
- .height = 480
- },
-+ .crop = {
-+ .left = 0,
-+ .top = 0,
-+ .width = 1280,
-+ .height = 960,
-+ },
- ov5647_640x480_8bit,
- ARRAY_SIZE(ov5647_640x480_8bit)
- },
-@@ -620,6 +618,12 @@ static struct ov5647_mode supported_mode
- .width = 2592,
- .height = 1944
- },
-+ .crop = {
-+ .left = 0,
-+ .top = 0,
-+ .width = 2592,
-+ .height = 1944
-+ },
- ov5647_2592x1944_10bit,
- ARRAY_SIZE(ov5647_2592x1944_10bit)
- },
-@@ -635,6 +639,12 @@ static struct ov5647_mode supported_mode
- .width = 1920,
- .height = 1080
- },
-+ .crop = {
-+ .left = 348,
-+ .top = 434,
-+ .width = 1928,
-+ .height = 1080,
-+ },
- ov5647_1080p30_10bit,
- ARRAY_SIZE(ov5647_1080p30_10bit)
- },
-@@ -649,6 +659,12 @@ static struct ov5647_mode supported_mode
- .width = 1296,
- .height = 972
- },
-+ .crop = {
-+ .left = 0,
-+ .top = 0,
-+ .width = 2592,
-+ .height = 1944,
-+ },
- ov5647_2x2binned_10bit,
- ARRAY_SIZE(ov5647_2x2binned_10bit)
- },
-@@ -664,6 +680,12 @@ static struct ov5647_mode supported_mode
- .width = 640,
- .height = 480
- },
-+ .crop = {
-+ .left = 16,
-+ .top = 0,
-+ .width = 2560,
-+ .height = 1920,
-+ },
- ov5647_640x480_10bit,
- ARRAY_SIZE(ov5647_640x480_10bit)
- },
-@@ -971,6 +993,56 @@ static const struct v4l2_subdev_core_ops
- #endif
- };
-
-+static const struct v4l2_rect *
-+__ov5647_get_pad_crop(struct ov5647 *ov5647, struct v4l2_subdev_pad_config *cfg,
-+ unsigned int pad, enum v4l2_subdev_format_whence which)
-+{
-+ switch (which) {
-+ case V4L2_SUBDEV_FORMAT_TRY:
-+ return v4l2_subdev_get_try_crop(&ov5647->sd, cfg, pad);
-+ case V4L2_SUBDEV_FORMAT_ACTIVE:
-+ return &ov5647->mode->crop;
-+ }
-+
-+ return NULL;
-+}
-+
-+static int ov5647_get_selection(struct v4l2_subdev *sd,
-+ struct v4l2_subdev_pad_config *cfg,
-+ struct v4l2_subdev_selection *sel)
-+{
-+ switch (sel->target) {
-+ case V4L2_SEL_TGT_CROP: {
-+ struct ov5647 *state = to_state(sd);
-+
-+ mutex_lock(&state->lock);
-+ sel->r = *__ov5647_get_pad_crop(state, cfg, sel->pad,
-+ sel->which);
-+ mutex_unlock(&state->lock);
-+
-+ return 0;
-+ }
-+
-+ case V4L2_SEL_TGT_NATIVE_SIZE:
-+ sel->r.top = 0;
-+ sel->r.left = 0;
-+ sel->r.width = OV5647_NATIVE_WIDTH;
-+ sel->r.height = OV5647_NATIVE_HEIGHT;
-+
-+ return 0;
-+
-+ case V4L2_SEL_TGT_CROP_DEFAULT:
-+ sel->r.top = OV5647_PIXEL_ARRAY_TOP;
-+ sel->r.left = OV5647_PIXEL_ARRAY_LEFT;
-+ sel->r.width = OV5647_PIXEL_ARRAY_WIDTH;
-+ sel->r.height = OV5647_PIXEL_ARRAY_HEIGHT;
-+
-+ return 0;
-+ }
-+
-+ return -EINVAL;
-+}
-+
- static int ov5647_s_stream(struct v4l2_subdev *sd, int enable)
- {
- struct ov5647 *state = to_state(sd);
-@@ -1122,6 +1194,7 @@ static const struct v4l2_subdev_pad_ops
- .enum_mbus_code = ov5647_enum_mbus_code,
- .set_fmt = ov5647_set_fmt,
- .get_fmt = ov5647_get_fmt,
-+ .get_selection = ov5647_get_selection,
- .enum_frame_size = ov5647_enum_frame_size,
- };
-
-@@ -1170,10 +1243,10 @@ static int ov5647_open(struct v4l2_subde
- v4l2_subdev_get_try_crop(sd, fh->pad, 0);
- struct ov5647 *state = to_state(sd);
-
-- crop->left = OV5647_COLUMN_START_DEF;
-- crop->top = OV5647_ROW_START_DEF;
-- crop->width = OV5647_WINDOW_WIDTH_DEF;
-- crop->height = OV5647_WINDOW_HEIGHT_DEF;
-+ crop->left = OV5647_PIXEL_ARRAY_LEFT;
-+ crop->top = OV5647_PIXEL_ARRAY_TOP;
-+ crop->width = OV5647_PIXEL_ARRAY_WIDTH;
-+ crop->height = OV5647_PIXEL_ARRAY_HEIGHT;
-
- /* Set the default format to the same as the sensor. */
- *format = state->mode->format;
projects / openwrt / staging / chunkeey.git / blobdiff