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| author | Vladimir Barinov <vladimir.barinov@cogentembedded.com> | 2013-05-29 17:50:57 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-06-13 14:36:21 (GMT) |
| commit | cccb83f7a1848a8b2dda6480c2dc26e80710e50b (patch) | |
| tree | e35e8e066065faa40775a5d639454fe81c7b124d /drivers/media/i2c/adv7180.c | |
| parent | 5f454d82e5958e59c16580b9b4531f4bbc7231f7 (diff) | |
| download | linux-cccb83f7a1848a8b2dda6480c2dc26e80710e50b.tar.xz | |
[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: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/i2c/adv7180.c')
| -rw-r--r-- | drivers/media/i2c/adv7180.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/media/i2c/adv7180.c b/drivers/media/i2c/adv7180.c index 04ee1d4..11f13a8 100644 --- a/drivers/media/i2c/adv7180.c +++ b/drivers/media/i2c/adv7180.c @@ -1,6 +1,8 @@ /* * 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 = { |