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Message-ID: <20240223113300.GS31348@pendragon.ideasonboard.com>
Date: Fri, 23 Feb 2024 13:33:00 +0200
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Mikhail Rudenko <mike.rudenko@...il.com>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
Sakari Ailus <sakari.ailus@...ux.intel.com>,
Jacopo Mondi <jacopo@...ndi.org>,
Tommaso Merciai <tomm.merciai@...il.com>,
Christophe JAILLET <christophe.jaillet@...adoo.fr>,
Dave Stevenson <dave.stevenson@...pberrypi.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>
Subject: Re: [PATCH v2 15/20] media: i2c: ov4689: Move pixel array size out
of struct ov4689_mode
Hi Mikhail,
Thank you for the patch.
On Mon, Dec 18, 2023 at 08:40:36PM +0300, Mikhail Rudenko wrote:
> Pixel array dimensions and default crop size do not belong to the
> ov4689_mode structure, since they are mode independent. Make them
> defines instead.
>
> Signed-off-by: Mikhail Rudenko <mike.rudenko@...il.com>
> ---
> drivers/media/i2c/ov4689.c | 29 +++++++++++++----------------
> 1 file changed, 13 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/media/i2c/ov4689.c b/drivers/media/i2c/ov4689.c
> index b43fb1d7b15f..475508559e3e 100644
> --- a/drivers/media/i2c/ov4689.c
> +++ b/drivers/media/i2c/ov4689.c
> @@ -70,6 +70,11 @@
> #define OV4689_LANES 4
> #define OV4689_XVCLK_FREQ 24000000
>
> +#define OV4689_PIXEL_ARRAY_WIDTH 2720
> +#define OV4689_PIXEL_ARRAY_HEIGHT 1536
> +#define OV4689_DUMMY_ROWS 8
> +#define OV4689_DUMMY_COLUMNS 16
Adding a comment here to indicate that there are dummy columns in each
side would be useful:
#define OV4689_DUMMY_ROWS 8 /* 8 dummy rows on each side */
#define OV4689_DUMMY_COLUMNS 16 /* 16 dummy columns on each side */
Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> +
> static const char *const ov4689_supply_names[] = {
> "avdd", /* Analog power */
> "dovdd", /* Digital I/O power */
> @@ -90,10 +95,6 @@ struct ov4689_mode {
> u32 vts_def;
> u32 exp_def;
> u32 pixel_rate;
> - u32 sensor_width;
> - u32 sensor_height;
> - u32 crop_top;
> - u32 crop_left;
> const struct cci_reg_sequence *reg_list;
> unsigned int num_regs;
> };
> @@ -254,10 +255,6 @@ static const struct ov4689_mode supported_modes[] = {
> .id = OV4689_MODE_2688_1520,
> .width = 2688,
> .height = 1520,
> - .sensor_width = 2720,
> - .sensor_height = 1536,
> - .crop_top = 8,
> - .crop_left = 16,
> .exp_def = 1536,
> .hts_def = 10296,
> .hts_min = 3432,
> @@ -385,8 +382,6 @@ static int ov4689_get_selection(struct v4l2_subdev *sd,
> struct v4l2_subdev_state *state,
> struct v4l2_subdev_selection *sel)
> {
> - const struct ov4689_mode *mode = to_ov4689(sd)->cur_mode;
> -
> if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE)
> return -EINVAL;
>
> @@ -394,15 +389,17 @@ static int ov4689_get_selection(struct v4l2_subdev *sd,
> case V4L2_SEL_TGT_CROP_BOUNDS:
> sel->r.top = 0;
> sel->r.left = 0;
> - sel->r.width = mode->sensor_width;
> - sel->r.height = mode->sensor_height;
> + sel->r.width = OV4689_PIXEL_ARRAY_WIDTH;
> + sel->r.height = OV4689_PIXEL_ARRAY_HEIGHT;
> return 0;
> case V4L2_SEL_TGT_CROP:
> case V4L2_SEL_TGT_CROP_DEFAULT:
> - sel->r.top = mode->crop_top;
> - sel->r.left = mode->crop_left;
> - sel->r.width = mode->width;
> - sel->r.height = mode->height;
> + sel->r.top = OV4689_DUMMY_ROWS;
> + sel->r.left = OV4689_DUMMY_COLUMNS;
> + sel->r.width =
> + OV4689_PIXEL_ARRAY_WIDTH - 2 * OV4689_DUMMY_COLUMNS;
> + sel->r.height =
> + OV4689_PIXEL_ARRAY_WIDTH - 2 * OV4689_DUMMY_ROWS;
> return 0;
> }
>
--
Regards,
Laurent Pinchart
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