From: Benjamin Gaignard <benjamin.gaignard@collabora.com>
To: ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de,
mchehab@kernel.org, robh+dt@kernel.org,
krzysztof.kozlowski+dt@linaro.org, heiko@sntech.de,
hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com
Cc: linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, kernel@collabora.com,
Benjamin Gaignard <benjamin.gaignard@collabora.com>
Subject: [PATCH v7 04/13] media: Add NV15_4L4 pixel format
Date: Wed, 3 May 2023 10:34:29 +0200 [thread overview]
Message-ID: <20230503083438.85139-5-benjamin.gaignard@collabora.com> (raw)
In-Reply-To: <20230503083438.85139-1-benjamin.gaignard@collabora.com>
NV15_4L4 is the 10-bits per component 4x4 tiled format.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
---
.../media/v4l/pixfmt-yuv-planar.rst | 16 ++++++++++++++++
drivers/media/v4l2-core/v4l2-common.c | 2 ++
drivers/media/v4l2-core/v4l2-ioctl.c | 1 +
include/uapi/linux/videodev2.h | 1 +
4 files changed, 20 insertions(+)
diff --git a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst
index 72324274f20c..989b94c46288 100644
--- a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst
+++ b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst
@@ -137,6 +137,13 @@ All components are stored with the same number of bits per component.
- Cb, Cr
- No
- Linear
+ * - V4L2_PIX_FMT_NV15_4L4
+ - 'VT15'
+ - 15
+ - 4:2:0
+ - Cb, Cr
+ - Yes
+ - 4x4 tiles
* - V4L2_PIX_FMT_NV16
- 'NV16'
- 8
@@ -378,6 +385,15 @@ two non-contiguous planes.
Example V4L2_PIX_FMT_NV12MT memory layout of tiles
+.. _V4L2-PIX-FMT-NV15-4L4:
+
+Tiled NV15
+----------
+
+Semi-planar 10-bit YUV 4:2:0 formats, using 4x4 tiling.
+All components are packed without any padding between each other.
+As a side-effect, each group of 4 components are stored over 5 bytes
+(YYYY or UVUV = 4 * 10 bits = 40 bits = 5 bytes).
.. _V4L2-PIX-FMT-NV16:
.. _V4L2-PIX-FMT-NV61:
diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c
index 4b3faec14f69..145db7ab7397 100644
--- a/drivers/media/v4l2-core/v4l2-common.c
+++ b/drivers/media/v4l2-core/v4l2-common.c
@@ -283,6 +283,8 @@ const struct v4l2_format_info *v4l2_format_info(u32 format)
/* Tiled YUV formats */
{ .format = V4L2_PIX_FMT_NV12_4L4, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 2, .bpp = { 1, 2, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 2, .vdiv = 2 },
+ { .format = V4L2_PIX_FMT_NV15_4L4, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 2, .bpp = { 5, 10, 0, 0 }, .bpp_div = { 4, 4, 1, 1 }, .hdiv = 2, .vdiv = 2,
+ .block_w = { 4, 2, 0, 0 }, .block_h = { 1, 1, 0, 0 }},
{ .format = V4L2_PIX_FMT_P010_4L4, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 2, .bpp = { 2, 4, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 2, .vdiv = 2 },
/* YUV planar formats, non contiguous variant */
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 41d7a8e3712a..01ba27f2ef87 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1356,6 +1356,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_NV12_4L4: descr = "Y/UV 4:2:0 (4x4 Linear)"; break;
case V4L2_PIX_FMT_NV12_16L16: descr = "Y/UV 4:2:0 (16x16 Linear)"; break;
case V4L2_PIX_FMT_NV12_32L32: descr = "Y/UV 4:2:0 (32x32 Linear)"; break;
+ case V4L2_PIX_FMT_NV15_4L4: descr = "10-bit Y/UV 4:2:0 (4x4 Linear)"; break;
case V4L2_PIX_FMT_P010_4L4: descr = "10-bit Y/UV 4:2:0 (4x4 Linear)"; break;
case V4L2_PIX_FMT_NV12M: descr = "Y/UV 4:2:0 (N-C)"; break;
case V4L2_PIX_FMT_NV21M: descr = "Y/VU 4:2:0 (N-C)"; break;
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index e3d83b59b25f..2b04cf20345f 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -672,6 +672,7 @@ struct v4l2_pix_format {
#define V4L2_PIX_FMT_NV12_4L4 v4l2_fourcc('V', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 4x4 tiles */
#define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */
#define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 32x32 tiles */
+#define V4L2_PIX_FMT_NV15_4L4 v4l2_fourcc('V', 'T', '1', '5') /* 15 Y/CbCr 4:2:0 10-bit 4x4 tiles */
#define V4L2_PIX_FMT_P010_4L4 v4l2_fourcc('T', '0', '1', '0') /* 12 Y/CbCr 4:2:0 10-bit 4x4 macroblocks */
#define V4L2_PIX_FMT_NV12_8L128 v4l2_fourcc('A', 'T', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
#define V4L2_PIX_FMT_NV12_10BE_8L128 v4l2_fourcc_be('A', 'X', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
--
2.34.1
next prev parent reply other threads:[~2023-05-03 8:34 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-03 8:34 [PATCH v7 00/13] AV1 stateless decoder for RK3588 Benjamin Gaignard
2023-05-03 8:34 ` [PATCH v7 01/13] dt-bindings: media: rockchip-vpu: Add rk3588 vpu compatible Benjamin Gaignard
2023-05-03 8:34 ` [PATCH v7 02/13] media: AV1: Make sure that bit depth in correctly initialize Benjamin Gaignard
2023-05-03 8:34 ` [PATCH v7 03/13] v4l2-common: Add support for fractional bpp Benjamin Gaignard
2023-05-03 8:34 ` Benjamin Gaignard [this message]
2023-05-03 8:34 ` [PATCH v7 05/13] media: verisilicon: Get bit depth for V4L2_PIX_FMT_NV15_4L4 Benjamin Gaignard
2023-05-03 8:34 ` [PATCH v7 06/13] media: verisilicon: Add AV1 decoder mode and controls Benjamin Gaignard
2023-05-03 8:34 ` [PATCH v7 07/13] media: verisilicon: Check AV1 bitstreams bit depth Benjamin Gaignard
2023-05-03 8:34 ` [PATCH v7 08/13] media: verisilicon: Compute motion vectors size for AV1 frames Benjamin Gaignard
2023-05-03 8:34 ` [PATCH v7 09/13] media: verisilicon: Add AV1 entropy helpers Benjamin Gaignard
2023-05-03 8:34 ` [PATCH v7 10/13] media: verisilicon: Add Rockchip AV1 decoder Benjamin Gaignard
2023-05-03 8:34 ` [PATCH v7 11/13] media: verisilicon: Add film grain feature to AV1 driver Benjamin Gaignard
2023-05-03 8:34 ` [PATCH v7 12/13] media: verisilicon: Enable AV1 decoder on rk3588 Benjamin Gaignard
2023-05-23 8:52 ` Hans Verkuil
2023-05-25 15:04 ` Nicolas Dufresne
2023-05-03 8:34 ` [PATCH v7 13/13] media: verisilicon: Conditionally ignore native formats Benjamin Gaignard
2023-05-25 15:18 ` [PATCH v7 00/13] AV1 stateless decoder for RK3588 Nicolas Dufresne
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