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Commit ec2c4f3f authored by Javier Martin's avatar Javier Martin Committed by Mauro Carvalho Chehab
Browse files

[media] media: tvp5150: Add mbus_fmt callbacks 



These callbacks allow a host video driver
to poll video formats supported by tvp5150.

Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent e9966341

drivers/media/video/tvp5150.c

+67 −0
Original line number Diff line number Diff line
@@ -779,6 +779,70 @@ static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl) 
	return -EINVAL;

}



static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)

{

	int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);



	switch (val & 0x0F) {

	case 0x01:

		return V4L2_STD_NTSC;

	case 0x03:

		return V4L2_STD_PAL;

	case 0x05:

		return V4L2_STD_PAL_M;

	case 0x07:

		return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;

	case 0x09:

		return V4L2_STD_NTSC_443;

	case 0xb:

		return V4L2_STD_SECAM;

	default:

		return V4L2_STD_UNKNOWN;

	}

}



static int tvp5150_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned index,

						enum v4l2_mbus_pixelcode *code)

{

	if (index)

		return -EINVAL;



	*code = V4L2_MBUS_FMT_YUYV8_2X8;

	return 0;

}



static int tvp5150_mbus_fmt(struct v4l2_subdev *sd,

			    struct v4l2_mbus_framefmt *f)

{

	struct tvp5150 *decoder = to_tvp5150(sd);

	v4l2_std_id std;



	if (f == NULL)

		return -EINVAL;



	tvp5150_reset(sd, 0);



	/* Calculate height and width based on current standard */

	if (decoder->norm == V4L2_STD_ALL)

		std = tvp5150_read_std(sd);

	else

		std = decoder->norm;



	f->width = 720;

	if (std & V4L2_STD_525_60)

		f->height = 480;

	else

		f->height = 576;



	f->code = V4L2_MBUS_FMT_YUYV8_2X8;

	f->field = V4L2_FIELD_SEQ_TB;

	f->colorspace = V4L2_COLORSPACE_SMPTE170M;



	v4l2_dbg(1, debug, sd, "width = %d, height = %d\n", f->width,

			f->height);

	return 0;

}



/****************************************************************************

			I2C Command

 ****************************************************************************/
@@ -931,6 +995,9 @@ static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = { 


static const struct v4l2_subdev_video_ops tvp5150_video_ops = {

	.s_routing = tvp5150_s_routing,

	.enum_mbus_fmt = tvp5150_enum_mbus_fmt,

	.s_mbus_fmt = tvp5150_mbus_fmt,

	.try_mbus_fmt = tvp5150_mbus_fmt,

};



static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {