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author | Hans Verkuil <hans.verkuil@cisco.com> | 2015-03-04 12:47:54 +0300 |
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committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-03-23 21:41:36 +0300 |
commit | f7234138f14c2296c5eb6b8224abe00b507faf3f (patch) | |
tree | 947508529c06cf0c3ff36a71071725ffdb83e3b1 /drivers/staging/media/omap4iss/iss_ipipeif.c | |
parent | 3d945be05ac1e806af075e9315bc1b3409adae2b (diff) | |
download | linux-f7234138f14c2296c5eb6b8224abe00b507faf3f.tar.xz |
[media] v4l2-subdev: replace v4l2_subdev_fh by v4l2_subdev_pad_config
If a subdevice pad op is called from a bridge driver, then there is
no v4l2_subdev_fh struct that can be passed to the subdevice. This
made it hard to use such subdevs from a bridge driver.
This patch replaces the v4l2_subdev_fh pointer by a v4l2_subdev_pad_config
pointer in the pad ops. This allows bridge drivers to use the various
try_ pad ops by creating a v4l2_subdev_pad_config struct and passing it
along to the pad op.
The v4l2_subdev_get_try_* macros had to be changed because of this, so
I also took the opportunity to use the full name of the v4l2_subdev_get_try_*
functions in the __V4L2_SUBDEV_MK_GET_TRY macro arguments: if you now do
'git grep v4l2_subdev_get_try_format' you will actually find the header
where it is defined.
One remark regarding the drivers/staging/media/davinci_vpfe patches: the
*_init_formats() functions assumed that fh could be NULL. However, that's
not true for this driver, it's always set. This is almost certainly a copy
and paste from the omap3isp driver. I've updated the code to reflect the
fact that fh is never NULL.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Tested-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/staging/media/omap4iss/iss_ipipeif.c')
-rw-r--r-- | drivers/staging/media/omap4iss/iss_ipipeif.c | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/drivers/staging/media/omap4iss/iss_ipipeif.c b/drivers/staging/media/omap4iss/iss_ipipeif.c index 3943fae699ee..948edcca8704 100644 --- a/drivers/staging/media/omap4iss/iss_ipipeif.c +++ b/drivers/staging/media/omap4iss/iss_ipipeif.c @@ -361,24 +361,24 @@ static int ipipeif_set_stream(struct v4l2_subdev *sd, int enable) static struct v4l2_mbus_framefmt * __ipipeif_get_format(struct iss_ipipeif_device *ipipeif, - struct v4l2_subdev_fh *fh, unsigned int pad, + struct v4l2_subdev_pad_config *cfg, unsigned int pad, enum v4l2_subdev_format_whence which) { if (which == V4L2_SUBDEV_FORMAT_TRY) - return v4l2_subdev_get_try_format(fh, pad); + return v4l2_subdev_get_try_format(&ipipeif->subdev, cfg, pad); return &ipipeif->formats[pad]; } /* * ipipeif_try_format - Try video format on a pad * @ipipeif: ISS IPIPEIF device - * @fh : V4L2 subdev file handle + * @cfg: V4L2 subdev pad config * @pad: Pad number * @fmt: Format */ static void ipipeif_try_format(struct iss_ipipeif_device *ipipeif, - struct v4l2_subdev_fh *fh, unsigned int pad, + struct v4l2_subdev_pad_config *cfg, unsigned int pad, struct v4l2_mbus_framefmt *fmt, enum v4l2_subdev_format_whence which) { @@ -407,7 +407,7 @@ ipipeif_try_format(struct iss_ipipeif_device *ipipeif, break; case IPIPEIF_PAD_SOURCE_ISIF_SF: - format = __ipipeif_get_format(ipipeif, fh, IPIPEIF_PAD_SINK, + format = __ipipeif_get_format(ipipeif, cfg, IPIPEIF_PAD_SINK, which); memcpy(fmt, format, sizeof(*fmt)); @@ -422,7 +422,7 @@ ipipeif_try_format(struct iss_ipipeif_device *ipipeif, break; case IPIPEIF_PAD_SOURCE_VP: - format = __ipipeif_get_format(ipipeif, fh, IPIPEIF_PAD_SINK, + format = __ipipeif_get_format(ipipeif, cfg, IPIPEIF_PAD_SINK, which); memcpy(fmt, format, sizeof(*fmt)); @@ -441,12 +441,12 @@ ipipeif_try_format(struct iss_ipipeif_device *ipipeif, /* * ipipeif_enum_mbus_code - Handle pixel format enumeration * @sd : pointer to v4l2 subdev structure - * @fh : V4L2 subdev file handle + * @cfg : V4L2 subdev pad config * @code : pointer to v4l2_subdev_mbus_code_enum structure * return -EINVAL or zero on success */ static int ipipeif_enum_mbus_code(struct v4l2_subdev *sd, - struct v4l2_subdev_fh *fh, + struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_mbus_code_enum *code) { struct iss_ipipeif_device *ipipeif = v4l2_get_subdevdata(sd); @@ -466,7 +466,7 @@ static int ipipeif_enum_mbus_code(struct v4l2_subdev *sd, if (code->index != 0) return -EINVAL; - format = __ipipeif_get_format(ipipeif, fh, IPIPEIF_PAD_SINK, + format = __ipipeif_get_format(ipipeif, cfg, IPIPEIF_PAD_SINK, V4L2_SUBDEV_FORMAT_TRY); code->code = format->code; @@ -480,7 +480,7 @@ static int ipipeif_enum_mbus_code(struct v4l2_subdev *sd, } static int ipipeif_enum_frame_size(struct v4l2_subdev *sd, - struct v4l2_subdev_fh *fh, + struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_frame_size_enum *fse) { struct iss_ipipeif_device *ipipeif = v4l2_get_subdevdata(sd); @@ -492,7 +492,7 @@ static int ipipeif_enum_frame_size(struct v4l2_subdev *sd, format.code = fse->code; format.width = 1; format.height = 1; - ipipeif_try_format(ipipeif, fh, fse->pad, &format, + ipipeif_try_format(ipipeif, cfg, fse->pad, &format, V4L2_SUBDEV_FORMAT_TRY); fse->min_width = format.width; fse->min_height = format.height; @@ -503,7 +503,7 @@ static int ipipeif_enum_frame_size(struct v4l2_subdev *sd, format.code = fse->code; format.width = -1; format.height = -1; - ipipeif_try_format(ipipeif, fh, fse->pad, &format, + ipipeif_try_format(ipipeif, cfg, fse->pad, &format, V4L2_SUBDEV_FORMAT_TRY); fse->max_width = format.width; fse->max_height = format.height; @@ -514,19 +514,19 @@ static int ipipeif_enum_frame_size(struct v4l2_subdev *sd, /* * ipipeif_get_format - Retrieve the video format on a pad * @sd : ISP IPIPEIF V4L2 subdevice - * @fh : V4L2 subdev file handle + * @cfg: V4L2 subdev pad config * @fmt: Format * * Return 0 on success or -EINVAL if the pad is invalid or doesn't correspond * to the format type. */ -static int ipipeif_get_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, +static int ipipeif_get_format(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_format *fmt) { struct iss_ipipeif_device *ipipeif = v4l2_get_subdevdata(sd); struct v4l2_mbus_framefmt *format; - format = __ipipeif_get_format(ipipeif, fh, fmt->pad, fmt->which); + format = __ipipeif_get_format(ipipeif, cfg, fmt->pad, fmt->which); if (format == NULL) return -EINVAL; @@ -537,39 +537,39 @@ static int ipipeif_get_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, /* * ipipeif_set_format - Set the video format on a pad * @sd : ISP IPIPEIF V4L2 subdevice - * @fh : V4L2 subdev file handle + * @cfg: V4L2 subdev pad config * @fmt: Format * * Return 0 on success or -EINVAL if the pad is invalid or doesn't correspond * to the format type. */ -static int ipipeif_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, +static int ipipeif_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_format *fmt) { struct iss_ipipeif_device *ipipeif = v4l2_get_subdevdata(sd); struct v4l2_mbus_framefmt *format; - format = __ipipeif_get_format(ipipeif, fh, fmt->pad, fmt->which); + format = __ipipeif_get_format(ipipeif, cfg, fmt->pad, fmt->which); if (format == NULL) return -EINVAL; - ipipeif_try_format(ipipeif, fh, fmt->pad, &fmt->format, fmt->which); + ipipeif_try_format(ipipeif, cfg, fmt->pad, &fmt->format, fmt->which); *format = fmt->format; /* Propagate the format from sink to source */ if (fmt->pad == IPIPEIF_PAD_SINK) { - format = __ipipeif_get_format(ipipeif, fh, + format = __ipipeif_get_format(ipipeif, cfg, IPIPEIF_PAD_SOURCE_ISIF_SF, fmt->which); *format = fmt->format; - ipipeif_try_format(ipipeif, fh, IPIPEIF_PAD_SOURCE_ISIF_SF, + ipipeif_try_format(ipipeif, cfg, IPIPEIF_PAD_SOURCE_ISIF_SF, format, fmt->which); - format = __ipipeif_get_format(ipipeif, fh, + format = __ipipeif_get_format(ipipeif, cfg, IPIPEIF_PAD_SOURCE_VP, fmt->which); *format = fmt->format; - ipipeif_try_format(ipipeif, fh, IPIPEIF_PAD_SOURCE_VP, format, + ipipeif_try_format(ipipeif, cfg, IPIPEIF_PAD_SOURCE_VP, format, fmt->which); } @@ -612,7 +612,7 @@ static int ipipeif_init_formats(struct v4l2_subdev *sd, format.format.code = MEDIA_BUS_FMT_SGRBG10_1X10; format.format.width = 4096; format.format.height = 4096; - ipipeif_set_format(sd, fh, &format); + ipipeif_set_format(sd, fh ? fh->pad : NULL, &format); return 0; } |