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From: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
To: Jacopo Mondi <jacopo@jmondi.org>,
	mchehab@kernel.org, sakari.ailus@linux.intel.com,
	hverkuil@xs4all.nl, laurent.pinchart@ideasonboard.com,
	roman.kovalivskyi@globallogic.com,
	dave.stevenson@raspberrypi.org, naush@raspberrypi.com
Cc: andrew_gabbasov@mentor.com, mrodin@de.adit-jv.com,
	mripard@kernel.org, libcamera-devel@lists.libcamera.org,
	sudipi@jp.adit-jv.com, hugues.fruchet@st.com,
	erosca@de.adit-jv.com, aford173@gmail.com,
	linux-media@vger.kernel.org
Subject: Re: [libcamera-devel] [PATCH 16/25] media: ov5647: Add support for get_selection()
Date: Thu, 9 Jul 2020 21:56:16 +0200
Message-ID: <8213d64e-9fd9-3bba-2164-488ce1ba2431@collabora.com> (raw)
In-Reply-To: <20200623164911.45147-1-jacopo@jmondi.org>



On 23.06.20 18:49, Jacopo Mondi wrote:
> From: Dave Stevenson <dave.stevenson@raspberrypi.com>
> 
> Support the get_selection() pad operation to report the device
> full pixel array size, the currently applied analogue crop rectangle and
> the active pixel array dimensions.
> 
> Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
> ---
>   drivers/media/i2c/ov5647.c | 95 ++++++++++++++++++++++++++++----------
>   1 file changed, 71 insertions(+), 24 deletions(-)
> 
> diff --git a/drivers/media/i2c/ov5647.c b/drivers/media/i2c/ov5647.c
> index a801ed0249aad..3757f0b10fe93 100644
> --- a/drivers/media/i2c/ov5647.c
> +++ b/drivers/media/i2c/ov5647.c
> @@ -59,25 +59,14 @@
>   #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;
> @@ -86,6 +75,7 @@ struct regval_list {
>   
>   struct ov5647_mode {
>   	struct v4l2_mbus_framefmt	format;
> +	struct v4l2_rect		crop;
>   	struct regval_list		*reg_list;
>   	unsigned int			num_regs;
>   };
> @@ -224,6 +214,12 @@ static struct ov5647_mode ov5647_8bit_modes[] = {
>   			.width		= 640,
>   			.height		= 480
>   		},
> +		.crop = {
> +			.left		= 0,
> +			.top		= 0,
> +			.width		= 1280,
> +			.height		= 960,
> +		},
>   		.reg_list	= ov5647_640x480,
>   		.num_regs	= ARRAY_SIZE(ov5647_640x480)
>   	},
> @@ -412,7 +408,7 @@ static int set_sw_standby(struct v4l2_subdev *sd, bool standby)
>   static int ov5647_sensor_power(struct v4l2_subdev *sd, int on)
>   {
>   	struct i2c_client *client = v4l2_get_subdevdata(sd);
> -	struct ov5647 *ov5647 = to_state(sd);
> +	struct ov5647 *sensor = to_sensor(sd);

Hi,
This is a compilation fix that was introduced in patch
'media: ov5647: Rationalize driver structure name'

Thanks,
Dafna

>   	int ret = 0;
>   
>   	mutex_lock(&sensor->lock);
> @@ -507,6 +503,20 @@ static const struct v4l2_subdev_core_ops ov5647_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_s_stream(struct v4l2_subdev *sd, int enable)
>   {
>   	struct ov5647 *sensor = to_sensor(sd);
> @@ -577,11 +587,48 @@ static int ov5647_set_get_fmt(struct v4l2_subdev *sd,
>   	return 0;
>   }
>   
> +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 *sensor = to_sensor(sd);
> +
> +		mutex_lock(&sensor->lock);
> +		sel->r = *__ov5647_get_pad_crop(sensor, cfg, sel->pad,
> +						sel->which);
> +		mutex_unlock(&sensor->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 const struct v4l2_subdev_pad_ops ov5647_subdev_pad_ops = {
>   	.enum_mbus_code		= ov5647_enum_mbus_code,
>   	.enum_frame_size	= ov5647_enum_frame_size,
>   	.set_fmt		= ov5647_set_get_fmt,
>   	.get_fmt		= ov5647_set_get_fmt,
> +	.get_selection		= ov5647_get_selection,
>   };
>   
>   static const struct v4l2_subdev_ops ov5647_subdev_ops = {
> @@ -626,10 +673,10 @@ static int ov5647_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
>   	struct v4l2_mbus_framefmt *format = v4l2_subdev_get_try_format(sd, fh->pad, 0);
>   	struct v4l2_rect *crop = v4l2_subdev_get_try_crop(sd, fh->pad, 0);
>   
> -	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;
>   
>   	*format = OV5647_DEFAULT_FORMAT;
>   
> 

  reply index

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-23 10:07 [PATCH 00/25] media: ov5647: Support RaspberryPi Camera Module v1 Jacopo Mondi
2020-06-23 10:07 ` [PATCH 01/25] dt-bindings: media: ov5647: Document pwdn-gpios Jacopo Mondi
2020-06-23 10:07 ` [PATCH 02/25] dt-bindings: media: ov5647: Document clock-noncontinuous Jacopo Mondi
2020-06-23 10:07 ` [PATCH 03/25] media: ov5647: Add support for PWDN GPIO Jacopo Mondi
2020-07-09 20:04   ` [libcamera-devel] " Dafna Hirschfeld
2020-07-14 12:45     ` Jacopo Mondi
2020-06-23 10:07 ` [PATCH 04/25] media: ov5647: Add support for non-continuous clock mode Jacopo Mondi
2020-06-23 10:07 ` [PATCH 05/25] media: ov5647: Add set_fmt and get_fmt calls Jacopo Mondi
2020-06-23 10:07 ` [PATCH 06/25] media: ov5647: Fix format initialization Jacopo Mondi
2020-06-23 10:07 ` [PATCH 07/25] media: ov5647: Fix style issues Jacopo Mondi
2020-06-23 10:07 ` [PATCH 08/25] media: ov5647: Replace license with SPDX identifier Jacopo Mondi
2020-06-23 10:07 ` [PATCH 09/25] media: ov5647: Fix return value from read/write Jacopo Mondi
2020-06-23 10:08 ` [PATCH 10/25] media: ov5647: Program mode at s_stream(1) time Jacopo Mondi
2020-06-23 16:42 ` [PATCH 11/25] media: ov5647: Implement enum_frame_size() Jacopo Mondi
2020-08-18  7:33   ` Sakari Ailus
2020-08-18  7:38     ` Sakari Ailus
2020-06-23 16:42 ` [PATCH 12/25] media: ov5647: Protect s_stream() with mutex Jacopo Mondi
2020-06-23 16:42 ` [PATCH 13/25] media: ov5647: Support gain, exposure and AWB controls Jacopo Mondi
2020-06-23 16:42 ` [PATCH 14/25] media: ov5647: Rationalize driver structure name Jacopo Mondi
2020-06-23 16:42 ` [PATCH 15/25] media: ov5647: Break out format handling Jacopo Mondi
2020-07-31 11:44   ` Sakari Ailus
2020-06-23 16:49 ` [PATCH 16/25] media: ov5647: Add support for get_selection() Jacopo Mondi
2020-07-09 19:56   ` Dafna Hirschfeld [this message]
2020-06-23 16:49 ` [PATCH 17/25] media: ov5647: Rename SBGGR8 VGA mode Jacopo Mondi
2020-06-23 16:49 ` [PATCH 18/25] media: ov5647: Add SGGBR10_1X10 modes Jacopo Mondi
2020-06-23 16:49 ` [PATCH 19/25] media: ov5647: Implement set_fmt pad operation Jacopo Mondi
2020-06-29 16:54   ` [libcamera-devel] " Dafna Hirschfeld
2020-06-30 10:13     ` Jacopo Mondi
2020-06-30 11:09       ` Dafna Hirschfeld
2020-06-23 16:55 ` [PATCH 20/25] media: ov5647: Program mode only if it has changed Jacopo Mondi
2020-06-29 17:48   ` Dafna Hirschfeld
2020-06-30  7:43     ` Jacopo Mondi
2020-06-30  9:32       ` Dafna Hirschfeld
2020-06-30 10:06         ` Jacopo Mondi
2020-06-30 10:56           ` Dafna Hirschfeld
2020-06-30 12:05             ` Jacopo Mondi
2020-06-30 13:01               ` Dafna Hirschfeld
2020-06-30 14:53                 ` [libcamera-devel] " Dave Stevenson
2020-06-30 15:11                   ` Dafna Hirschfeld
2020-07-01  7:25                 ` Laurent Pinchart
2020-07-03 12:21                   ` Jacopo Mondi
2020-07-03 16:33                     ` Laurent Pinchart
2020-06-23 16:55 ` [PATCH 21/25] media: ov5647: Set V4L2_SUBDEV_FL_HAS_EVENTS flag Jacopo Mondi
2020-06-23 16:55 ` [PATCH 22/25] media: ov5647: Support V4L2_CID_PIXEL_RATE Jacopo Mondi
2020-06-29 17:01   ` [libcamera-devel] " Dafna Hirschfeld
2020-06-29 21:25     ` Dave Stevenson
2020-06-30 15:13       ` Dave Stevenson
2020-07-01  7:21         ` Laurent Pinchart
2020-06-23 16:55 ` [PATCH 23/25] media: ov5647: Support V4L2_CID_HBLANK control Jacopo Mondi
2020-06-23 16:55 ` [PATCH 24/25] media: ov5647: Support V4L2_CID_VBLANK control Jacopo Mondi
2020-06-23 16:55 ` [PATCH 25/25] media: ov5647: Advertise the correct exposure range Jacopo Mondi
2020-06-29 17:33 ` [PATCH 00/25] media: ov5647: Support RaspberryPi Camera Module v1 Dafna Hirschfeld
2020-06-29 18:08   ` Dafna Hirschfeld
2020-07-10 15:59 ` Dafna Hirschfeld
2020-07-14 12:48   ` Jacopo Mondi

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