diff options
| author | Sowjanya Komatineni <skomatineni@nvidia.com> | 2020-12-11 20:02:33 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2021-01-04 14:56:43 +0300 |
| commit | fbef4d6bb92e99e309cae1d251821ef22979a7f1 (patch) | |
| tree | 0b278ae1270abf6df2181bfed4d89f9bbbaf8452 /drivers/staging/media | |
| parent | 689bfcac95d5ab17ba27fc9a423e7f676ed38fab (diff) | |
| download | linux-fbef4d6bb92e99e309cae1d251821ef22979a7f1.tar.xz | |
media: tegra-video: Add support for V4L2_PIX_FMT_NV16
NV16 are two-plane versions of YUV422 format.
VI/CSI surface0 registers corresponds to first Y plane and
surface1 registers corresponds to seconds UV plane.
This patch updates image size for NV16 format to include both planes
and programs VI/CSI surface1 registers for UV plane capture.
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/staging/media')
| -rw-r--r-- | drivers/staging/media/tegra-video/tegra210.c | 13 | ||||
| -rw-r--r-- | drivers/staging/media/tegra-video/vi.c | 2 |
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/staging/media/tegra-video/tegra210.c b/drivers/staging/media/tegra-video/tegra210.c index 68f09e41bc77..b731aa54dda1 100644 --- a/drivers/staging/media/tegra-video/tegra210.c +++ b/drivers/staging/media/tegra-video/tegra210.c @@ -287,6 +287,7 @@ static int tegra_channel_capture_frame(struct tegra_vi_channel *chan, { u32 thresh, value, frame_start, mw_ack_done; int bytes_per_line = chan->format.bytesperline; + u32 sizeimage = chan->format.sizeimage; int err; /* program buffer address by using surface 0 */ @@ -296,6 +297,18 @@ static int tegra_channel_capture_frame(struct tegra_vi_channel *chan, vi_csi_write(chan, TEGRA_VI_CSI_SURFACE0_STRIDE, bytes_per_line); /* + * Program surface 1 for UV plane with offset sizeimage from Y plane. + */ + if (chan->fmtinfo->fourcc == V4L2_PIX_FMT_NV16) { + vi_csi_write(chan, TEGRA_VI_CSI_SURFACE1_OFFSET_MSB, + ((u64)buf->addr + sizeimage / 2) >> 32); + vi_csi_write(chan, TEGRA_VI_CSI_SURFACE1_OFFSET_LSB, + buf->addr + sizeimage / 2); + vi_csi_write(chan, TEGRA_VI_CSI_SURFACE1_STRIDE, + bytes_per_line); + } + + /* * Tegra VI block interacts with host1x syncpt for synchronizing * programmed condition of capture state and hardware operation. * Frame start and Memory write acknowledge syncpts has their own diff --git a/drivers/staging/media/tegra-video/vi.c b/drivers/staging/media/tegra-video/vi.c index 7edd35c07a11..525c08739d99 100644 --- a/drivers/staging/media/tegra-video/vi.c +++ b/drivers/staging/media/tegra-video/vi.c @@ -484,6 +484,8 @@ static void tegra_channel_fmt_align(struct tegra_vi_channel *chan, pix->bytesperline = clamp(bpl, min_bpl, max_bpl); pix->sizeimage = pix->bytesperline * pix->height; + if (pix->pixelformat == V4L2_PIX_FMT_NV16) + pix->sizeimage *= 2; } static int __tegra_channel_try_format(struct tegra_vi_channel *chan, |