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Commit cccb83f7 authored by Vladimir Barinov's avatar Vladimir Barinov Committed by Mauro Carvalho Chehab
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[media] adv7180: add more subdev video ops 



Add subdev video ops for ADV7180 video decoder.  This makes decoder usable on
the soc-camera drivers.
[Sergei: renamed adv7180_try_mbus_fmt() to adv7180_mbus_fmt().]

Signed-off-by: default avatarVladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: default avatarSergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 5f454d82

drivers/media/i2c/adv7180.c

+46 −0
Original line number Diff line number Diff line 
/*

 * adv7180.c Analog Devices ADV7180 video decoder driver

 * Copyright (c) 2009 Intel Corporation

 * Copyright (C) 2013 Cogent Embedded, Inc.

 * Copyright (C) 2013 Renesas Solutions Corp.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as
@@ -397,10 +399,54 @@ static void adv7180_exit_controls(struct adv7180_state *state) 
	v4l2_ctrl_handler_free(&state->ctrl_hdl);

}



static int adv7180_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned int index,

				 enum v4l2_mbus_pixelcode *code)

{

	if (index > 0)

		return -EINVAL;



	*code = V4L2_MBUS_FMT_YUYV8_2X8;



	return 0;

}



static int adv7180_mbus_fmt(struct v4l2_subdev *sd,

			    struct v4l2_mbus_framefmt *fmt)

{

	struct adv7180_state *state = to_state(sd);



	fmt->code = V4L2_MBUS_FMT_YUYV8_2X8;

	fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;

	fmt->field = V4L2_FIELD_INTERLACED;

	fmt->width = 720;

	fmt->height = state->curr_norm & V4L2_STD_525_60 ? 480 : 576;



	return 0;

}



static int adv7180_g_mbus_config(struct v4l2_subdev *sd,

				 struct v4l2_mbus_config *cfg)

{

	/*

	 * The ADV7180 sensor supports BT.601/656 output modes.

	 * The BT.656 is default and not yet configurable by s/w.

	 */

	cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING |

		     V4L2_MBUS_DATA_ACTIVE_HIGH;

	cfg->type = V4L2_MBUS_BT656;



	return 0;

}



static const struct v4l2_subdev_video_ops adv7180_video_ops = {

	.querystd = adv7180_querystd,

	.g_input_status = adv7180_g_input_status,

	.s_routing = adv7180_s_routing,

	.enum_mbus_fmt = adv7180_enum_mbus_fmt,

	.try_mbus_fmt = adv7180_mbus_fmt,

	.g_mbus_fmt = adv7180_mbus_fmt,

	.s_mbus_fmt = adv7180_mbus_fmt,

	.g_mbus_config = adv7180_g_mbus_config,

};



static const struct v4l2_subdev_core_ops adv7180_core_ops = {