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authorSylwester Nawrocki <s.nawrocki@samsung.com>2013-06-18 20:42:30 +0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-06-28 22:32:17 +0400
commit5cfaad64d88a1bb52a6f779be02a69a2d50860fb (patch)
treebe220c34b541f9437e0df8e3c0ede48e10450302 /drivers/media/platform/exynos4-is/fimc-isp.c
parenta055d97037ad09ad9b87f6a6e74a65a44b942102 (diff)
downloadlinux-5cfaad64d88a1bb52a6f779be02a69a2d50860fb.tar.xz
[media] exynos4-is: Fix format propagation on FIMC-IS-ISP subdev
Ensure TRY formats are propagated from the sink pad to the source pads of the FIMC-IS-ISP subdev and the TRY and ACTIVE formats are separated. [mchehab@redhat.com: Whitespace cleanup] Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Kyungmin Park <kyungin.park@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/platform/exynos4-is/fimc-isp.c')
-rw-r--r--drivers/media/platform/exynos4-is/fimc-isp.c92
1 files changed, 64 insertions, 28 deletions
diff --git a/drivers/media/platform/exynos4-is/fimc-isp.c b/drivers/media/platform/exynos4-is/fimc-isp.c
index ecb82a9517f3..f859b3cdd409 100644
--- a/drivers/media/platform/exynos4-is/fimc-isp.c
+++ b/drivers/media/platform/exynos4-is/fimc-isp.c
@@ -128,31 +128,28 @@ static int fimc_isp_subdev_get_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_format *fmt)
{
struct fimc_isp *isp = v4l2_get_subdevdata(sd);
- struct fimc_is *is = fimc_isp_to_is(isp);
struct v4l2_mbus_framefmt *mf = &fmt->format;
- struct v4l2_mbus_framefmt cur_fmt;
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
- mf = v4l2_subdev_get_try_format(fh, fmt->pad);
- fmt->format = *mf;
+ *mf = *v4l2_subdev_get_try_format(fh, fmt->pad);
return 0;
}
mf->colorspace = V4L2_COLORSPACE_SRGB;
mutex_lock(&isp->subdev_lock);
- __is_get_frame_size(is, &cur_fmt);
if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {
- /* full camera input frame size */
- mf->width = cur_fmt.width + FIMC_ISP_CAC_MARGIN_WIDTH;
- mf->height = cur_fmt.height + FIMC_ISP_CAC_MARGIN_HEIGHT;
- mf->code = V4L2_MBUS_FMT_SGRBG10_1X10;
+ /* ISP OTF input image format */
+ *mf = isp->sink_fmt;
} else {
- /* crop size */
- mf->width = cur_fmt.width;
- mf->height = cur_fmt.height;
- mf->code = V4L2_MBUS_FMT_YUV10_1X30;
+ /* ISP OTF output image format */
+ *mf = isp->src_fmt;
+
+ if (fmt->pad == FIMC_ISP_SD_PAD_SRC_FIFO) {
+ mf->colorspace = V4L2_COLORSPACE_JPEG;
+ mf->code = V4L2_MBUS_FMT_YUV10_1X30;
+ }
}
mutex_unlock(&isp->subdev_lock);
@@ -164,21 +161,37 @@ static int fimc_isp_subdev_get_fmt(struct v4l2_subdev *sd,
}
static void __isp_subdev_try_format(struct fimc_isp *isp,
- struct v4l2_subdev_format *fmt)
+ struct v4l2_subdev_fh *fh,
+ struct v4l2_subdev_format *fmt)
{
struct v4l2_mbus_framefmt *mf = &fmt->format;
+ struct v4l2_mbus_framefmt *format;
+
+ mf->colorspace = V4L2_COLORSPACE_SRGB;
if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {
v4l_bound_align_image(&mf->width, FIMC_ISP_SINK_WIDTH_MIN,
FIMC_ISP_SINK_WIDTH_MAX, 0,
&mf->height, FIMC_ISP_SINK_HEIGHT_MIN,
FIMC_ISP_SINK_HEIGHT_MAX, 0, 0);
- isp->subdev_fmt = *mf;
+ mf->code = V4L2_MBUS_FMT_SGRBG10_1X10;
} else {
+ if (fmt->which == V4L2_SUBDEV_FORMAT_TRY)
+ format = v4l2_subdev_get_try_format(fh,
+ FIMC_ISP_SD_PAD_SINK);
+ else
+ format = &isp->sink_fmt;
+
/* Allow changing format only on sink pad */
- mf->width = isp->subdev_fmt.width - FIMC_ISP_CAC_MARGIN_WIDTH;
- mf->height = isp->subdev_fmt.height - FIMC_ISP_CAC_MARGIN_HEIGHT;
- mf->code = isp->subdev_fmt.code;
+ mf->width = format->width - FIMC_ISP_CAC_MARGIN_WIDTH;
+ mf->height = format->height - FIMC_ISP_CAC_MARGIN_HEIGHT;
+
+ if (fmt->pad == FIMC_ISP_SD_PAD_SRC_FIFO) {
+ mf->code = V4L2_MBUS_FMT_YUV10_1X30;
+ mf->colorspace = V4L2_COLORSPACE_JPEG;
+ } else {
+ mf->code = format->code;
+ }
}
}
@@ -194,24 +207,47 @@ static int fimc_isp_subdev_set_fmt(struct v4l2_subdev *sd,
isp_dbg(1, sd, "%s: pad%d: code: 0x%x, %dx%d\n",
__func__, fmt->pad, mf->code, mf->width, mf->height);
- mf->colorspace = V4L2_COLORSPACE_SRGB;
-
mutex_lock(&isp->subdev_lock);
- __isp_subdev_try_format(isp, fmt);
+ __isp_subdev_try_format(isp, fh, fmt);
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
mf = v4l2_subdev_get_try_format(fh, fmt->pad);
*mf = fmt->format;
- mutex_unlock(&isp->subdev_lock);
- return 0;
+
+ /* Propagate format to the source pads */
+ if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {
+ struct v4l2_subdev_format format = *fmt;
+ unsigned int pad;
+
+ for (pad = FIMC_ISP_SD_PAD_SRC_FIFO;
+ pad < FIMC_ISP_SD_PADS_NUM; pad++) {
+ format.pad = pad;
+ __isp_subdev_try_format(isp, fh, &format);
+ mf = v4l2_subdev_get_try_format(fh, pad);
+ *mf = format.format;
+ }
+ }
+ } else {
+ if (sd->entity.stream_count == 0) {
+ if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {
+ struct v4l2_subdev_format format = *fmt;
+
+ isp->sink_fmt = *mf;
+
+ format.pad = FIMC_ISP_SD_PAD_SRC_DMA;
+ __isp_subdev_try_format(isp, fh, &format);
+
+ isp->src_fmt = format.format;
+ __is_set_frame_size(is, &isp->src_fmt);
+ } else {
+ isp->src_fmt = *mf;
+ }
+ } else {
+ ret = -EBUSY;
+ }
}
- if (sd->entity.stream_count == 0)
- __is_set_frame_size(is, mf);
- else
- ret = -EBUSY;
mutex_unlock(&isp->subdev_lock);
-
return ret;
}