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| author | Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-03-07 17:36:23 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-03-07 17:36:35 +0100 |
| commit | 92ec1a5c275acf8ec9999b7969a14745def5a8da (patch) | |
| tree | d412e7c85523f3110db3df2f03e385b8c53bdd13 /Documentation | |
| parent | 12fdba564afd1f80eeaeed55c1c81761addda161 (diff) | |
| parent | 42356ecbdb69e49cffd0c1df791280965f9f90e1 (diff) | |
Merge tag 'br-v5.18r' of git://linuxtv.org/hverkuil/media_tree into media_stage
Tag branch
* tag 'br-v5.18r' of git://linuxtv.org/hverkuil/media_tree:
media: amphion: add amphion vpu entry in Kconfig and Makefile
MAINTAINERS: add AMPHION VPU CODEC V4L2 driver entry
media: amphion: implement malone decoder rpc interface
media: amphion: implement windsor encoder rpc interface
media: amphion: add v4l2 m2m vpu decoder stateful driver
media: amphion: add v4l2 m2m vpu encoder stateful driver
media: amphion: add vpu v4l2 m2m support
media: amphion: implement vpu core communication based on mailbox
media: amphion: add vpu core driver
media: amphion: add amphion vpu device driver
media: add nv12m_8l128 and nv12m_10be_8l128 video format.
dt-bindings: media: amphion: add amphion video codec bindings
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/media/amphion,vpu.yaml | 180 | ||||
| -rw-r--r-- | Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst | 28 |
2 files changed, 205 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/media/amphion,vpu.yaml b/Documentation/devicetree/bindings/media/amphion,vpu.yaml new file mode 100644 index 000000000000..a9d80eaeeeb6 --- /dev/null +++ b/Documentation/devicetree/bindings/media/amphion,vpu.yaml @@ -0,0 +1,180 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) + +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/amphion,vpu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Amphion VPU codec IP + +maintainers: + - Ming Qian <ming.qian@nxp.com> + - Shijie Qin <shijie.qin@nxp.com> + +description: |- + The Amphion MXC video encoder(Windsor) and decoder(Malone) accelerators present + on NXP i.MX8Q SoCs. + +properties: + $nodename: + pattern: "^vpu@[0-9a-f]+$" + + compatible: + items: + - enum: + - nxp,imx8qm-vpu + - nxp,imx8qxp-vpu + + reg: + maxItems: 1 + + power-domains: + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + + ranges: true + +patternProperties: + "^mailbox@[0-9a-f]+$": + description: + Each vpu encoder or decoder correspond a MU, which used for communication + between driver and firmware. Implement via mailbox on driver. + $ref: ../mailbox/fsl,mu.yaml# + + + "^vpu_core@[0-9a-f]+$": + description: + Each core correspond a decoder or encoder, need to configure them + separately. NXP i.MX8QM SoC has one decoder and two encoder, i.MX8QXP SoC + has one decoder and one encoder. + type: object + + properties: + compatible: + items: + - enum: + - nxp,imx8q-vpu-decoder + - nxp,imx8q-vpu-encoder + + reg: + maxItems: 1 + + power-domains: + maxItems: 1 + + mbox-names: + items: + - const: tx0 + - const: tx1 + - const: rx + + mboxes: + description: + List of phandle of 2 MU channels for tx, 1 MU channel for rx. + maxItems: 3 + + memory-region: + description: + Phandle to the reserved memory nodes to be associated with the + remoteproc device. The reserved memory nodes should be carveout nodes, + and should be defined as per the bindings in + Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt + items: + - description: region reserved for firmware image sections. + - description: region used for RPC shared memory between firmware and + driver. + + required: + - compatible + - reg + - power-domains + - mbox-names + - mboxes + - memory-region + + additionalProperties: false + +required: + - compatible + - reg + - power-domains + +additionalProperties: false + +examples: + # Device node example for i.MX8QM platform: + - | + #include <dt-bindings/firmware/imx/rsrc.h> + + vpu: vpu@2c000000 { + compatible = "nxp,imx8qm-vpu"; + ranges = <0x2c000000 0x2c000000 0x2000000>; + reg = <0x2c000000 0x1000000>; + #address-cells = <1>; + #size-cells = <1>; + power-domains = <&pd IMX_SC_R_VPU>; + + mu_m0: mailbox@2d000000 { + compatible = "fsl,imx6sx-mu"; + reg = <0x2d000000 0x20000>; + interrupts = <0 472 4>; + #mbox-cells = <2>; + power-domains = <&pd IMX_SC_R_VPU_MU_0>; + }; + + mu1_m0: mailbox@2d020000 { + compatible = "fsl,imx6sx-mu"; + reg = <0x2d020000 0x20000>; + interrupts = <0 473 4>; + #mbox-cells = <2>; + power-domains = <&pd IMX_SC_R_VPU_MU_1>; + }; + + mu2_m0: mailbox@2d040000 { + compatible = "fsl,imx6sx-mu"; + reg = <0x2d040000 0x20000>; + interrupts = <0 474 4>; + #mbox-cells = <2>; + power-domains = <&pd IMX_SC_R_VPU_MU_2>; + }; + + vpu_core0: vpu_core@2d080000 { + compatible = "nxp,imx8q-vpu-decoder"; + reg = <0x2d080000 0x10000>; + power-domains = <&pd IMX_SC_R_VPU_DEC_0>; + mbox-names = "tx0", "tx1", "rx"; + mboxes = <&mu_m0 0 0>, + <&mu_m0 0 1>, + <&mu_m0 1 0>; + memory-region = <&decoder_boot>, <&decoder_rpc>; + }; + + vpu_core1: vpu_core@2d090000 { + compatible = "nxp,imx8q-vpu-encoder"; + reg = <0x2d090000 0x10000>; + power-domains = <&pd IMX_SC_R_VPU_ENC_0>; + mbox-names = "tx0", "tx1", "rx"; + mboxes = <&mu1_m0 0 0>, + <&mu1_m0 0 1>, + <&mu1_m0 1 0>; + memory-region = <&encoder1_boot>, <&encoder1_rpc>; + }; + + vpu_core2: vpu_core@2d0a0000 { + reg = <0x2d0a0000 0x10000>; + compatible = "nxp,imx8q-vpu-encoder"; + power-domains = <&pd IMX_SC_R_VPU_ENC_1>; + mbox-names = "tx0", "tx1", "rx"; + mboxes = <&mu2_m0 0 0>, + <&mu2_m0 0 1>, + <&mu2_m0 1 0>; + memory-region = <&encoder2_boot>, <&encoder2_rpc>; + }; + }; + +... diff --git a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst index 9a969f662595..cc3e4b5791c5 100644 --- a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst +++ b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst @@ -257,6 +257,8 @@ of the luma plane. .. _V4L2-PIX-FMT-NV12-4L4: .. _V4L2-PIX-FMT-NV12-16L16: .. _V4L2-PIX-FMT-NV12-32L32: +.. _V4L2_PIX_FMT_NV12M_8L128: +.. _V4L2_PIX_FMT_NV12M_10BE_8L128: Tiled NV12 ---------- @@ -281,21 +283,41 @@ If the vertical resolution is an odd number of tiles, the last row of tiles is stored in linear order. The layouts of the luma and chroma planes are identical. -``V4L2_PIX_FMT_NV12_4L4`` stores pixel in 4x4 tiles, and stores +``V4L2_PIX_FMT_NV12_4L4`` stores pixels in 4x4 tiles, and stores tiles linearly in memory. The line stride and image height must be aligned to a multiple of 4. The layouts of the luma and chroma planes are identical. -``V4L2_PIX_FMT_NV12_16L16`` stores pixel in 16x16 tiles, and stores +``V4L2_PIX_FMT_NV12_16L16`` stores pixels in 16x16 tiles, and stores tiles linearly in memory. The line stride and image height must be aligned to a multiple of 16. The layouts of the luma and chroma planes are identical. -``V4L2_PIX_FMT_NV12_32L32`` stores pixel in 32x32 tiles, and stores +``V4L2_PIX_FMT_NV12_32L32`` stores pixels in 32x32 tiles, and stores tiles linearly in memory. The line stride and image height must be aligned to a multiple of 32. The layouts of the luma and chroma planes are identical. +``V4L2_PIX_FMT_NV12M_8L128`` is similar to ``V4L2_PIX_FMT_NV12M`` but stores +pixels in 2D 8x128 tiles, and stores tiles linearly in memory. +The image height must be aligned to a multiple of 128. +The layouts of the luma and chroma planes are identical. + +``V4L2_PIX_FMT_NV12M_10BE_8L128`` is similar to ``V4L2_PIX_FMT_NV12M`` but stores +10 bits pixels in 2D 8x128 tiles, and stores tiles linearly in memory. +the data is arranged in big endian order. +The image height must be aligned to a multiple of 128. +The layouts of the luma and chroma planes are identical. +Note the tile size is 8bytes multiplied by 128 bytes, +it means that the low bits and high bits of one pixel may be in different tiles. +The 10 bit pixels are packed, so 5 bytes contain 4 10-bit pixels layout like +this (for luma): +byte 0: Y0(bits 9-2) +byte 1: Y0(bits 1-0) Y1(bits 9-4) +byte 2: Y1(bits 3-0) Y2(bits 9-6) +byte 3: Y2(bits 5-0) Y3(bits 9-8) +byte 4: Y3(bits 7-0) + ``V4L2_PIX_FMT_MM21`` store luma pixel in 16x32 tiles, and chroma pixels in 16x16 tiles. The line stride must be aligned to a multiple of 16 and the image height must be aligned to a multiple of 32. The number of luma and chroma |
