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media: tvp5150: add default format helper

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The patch adds three macros to bundle the mbus_framefmt default
values and a helper function to set the the default crop and
mbus_framefmt values.

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Marco Felsch 2018-06-28 12:20:39 -04:00 committed by Mauro Carvalho Chehab
parent e62fdbb24c
commit 5cb8294013
1 changed files with 25 additions and 17 deletions
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42
drivers/media/i2c/tvp5150.c
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@ -27,6 +27,9 @@
#define TVP5150_MAX_CROP_LEFT 511
#define TVP5150_MAX_CROP_TOP 127
#define TVP5150_CROP_SHIFT 2
#define TVP5150_MBUS_FMT MEDIA_BUS_FMT_UYVY8_2X8
#define TVP5150_FIELD V4L2_FIELD_ALTERNATE
#define TVP5150_COLORSPACE V4L2_COLORSPACE_SMPTE170M
MODULE_DESCRIPTION("Texas Instruments TVP5150A/TVP5150AM1/TVP5151 video decoder driver");
MODULE_AUTHOR("Mauro Carvalho Chehab");
@ -852,9 +855,21 @@ static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
}
}
static void tvp5150_set_default(v4l2_std_id std, struct v4l2_rect *crop)
{
/* Default is no cropping */
crop->top = 0;
crop->left = 0;
crop->width = TVP5150_H_MAX;
if (std & V4L2_STD_525_60)
crop->height = TVP5150_V_MAX_525_60;
else
crop->height = TVP5150_V_MAX_OTHERS;
}
static int tvp5150_fill_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_format *format)
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_format *format)
{
struct v4l2_mbus_framefmt *f;
struct tvp5150 *decoder = to_tvp5150(sd);
@ -867,12 +882,12 @@ static int tvp5150_fill_fmt(struct v4l2_subdev *sd,
f->width = decoder->rect.width;
f->height = decoder->rect.height / 2;
f->code = MEDIA_BUS_FMT_UYVY8_2X8;
f->field = V4L2_FIELD_ALTERNATE;
f->colorspace = V4L2_COLORSPACE_SMPTE170M;
f->code = TVP5150_MBUS_FMT;
f->field = TVP5150_FIELD;
f->colorspace = TVP5150_COLORSPACE;
dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width,
f->height);
f->height);
return 0;
}
@ -993,7 +1008,7 @@ static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd,
if (code->pad || code->index)
return -EINVAL;
code->code = MEDIA_BUS_FMT_UYVY8_2X8;
code->code = TVP5150_MBUS_FMT;
return 0;
}
@ -1003,10 +1018,10 @@ static int tvp5150_enum_frame_size(struct v4l2_subdev *sd,
{
struct tvp5150 *decoder = to_tvp5150(sd);
if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8)
if (fse->index >= 8 || fse->code != TVP5150_MBUS_FMT)
return -EINVAL;
fse->code = MEDIA_BUS_FMT_UYVY8_2X8;
fse->code = TVP5150_MBUS_FMT;
fse->min_width = decoder->rect.width;
fse->max_width = decoder->rect.width;
fse->min_height = decoder->rect.height / 2;
@ -1618,14 +1633,7 @@ static int tvp5150_probe(struct i2c_client *c,
goto err;
}
/* Default is no cropping */
core->rect.top = 0;
if (tvp5150_read_std(sd) & V4L2_STD_525_60)
core->rect.height = TVP5150_V_MAX_525_60;
else
core->rect.height = TVP5150_V_MAX_OTHERS;
core->rect.left = 0;
core->rect.width = TVP5150_H_MAX;
tvp5150_set_default(tvp5150_read_std(sd), &core->rect);
tvp5150_reset(sd, 0); /* Calls v4l2_ctrl_handler_setup() */