linux-kernel - [PATCH v2 0/4] media: rockchip: Add rkvdec2 driver

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Date: Wed, 19 Jun 2024 10:57:17 -0400
From: Detlev Casanova <detlev.casanova@...labora.com>
To: linux-kernel@...r.kernel.org
Cc: Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Sebastian Reichel <sebastian.reichel@...labora.com>,
	Dragan Simic <dsimic@...jaro.org>,
	Diederik de Haas <didi.debian@...ow.org>,
	Andy Yan <andy.yan@...k-chips.com>,
	Boris Brezillon <boris.brezillon@...labora.com>,
	Hans Verkuil <hverkuil-cisco@...all.nl>,
	Daniel Almeida <daniel.almeida@...labora.com>,
	Paul Kocialkowski <paul.kocialkowski@...tlin.com>,
	Nicolas Dufresne <nicolas.dufresne@...labora.com>,
	Benjamin Gaignard <benjamin.gaignard@...labora.com>,
	Jonas Karlman <jonas@...boo.se>,
	Alex Bee <knaerzche@...il.com>,
	linux-media@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-staging@...ts.linux.dev,
	Detlev Casanova <detlev.casanova@...labora.com>
Subject: [PATCH v2 0/4] media: rockchip: Add rkvdec2 driver

Add a rkvdec2 driver for newer video decoder found on rk3588 based SoC.

It is also found on other hardware like the RK356x, but not tested yet,
so it will be added later.

Support for yuv 4:2:2 and 10 bits streams will also be added later, when the
https://lore.kernel.org/linux-media/20240618194647.742037-1-jonas@kwiboo.se
patch set is merged.

See the second commit message for more details.

Changes since v1:
- Add support for RCB in SRAM
- Move bindings to rockchip,vdec.yaml
- Add resets bindings
- Add second core and enable them from dtsi file
- Only expose one video device to userspace (but don't support multicore yet)
- Share CABAC table with rkvdec
- Fix iowrite32 call and add preliminary support for arm
- Remove unused code
- Improve registers naming and code style
- Remove DMA_ATTR_ALLOC_SINGLE_PAGES flag

Detlev Casanova (4):
  media: rockchip: Move H264 CABAC table to header file
  media: rockchip: Introduce the rkvdec2 driver
  media: dt-bindings: rockchip: Document RK3588 Video Decoder bindings
  arm64: dts: rockchip: Add rkvdec2 Video Decoder on rk3588(s)

 .../bindings/media/rockchip,vdec.yaml         |   46 +
 arch/arm64/boot/dts/rockchip/rk3588s.dtsi     |   50 +
 drivers/staging/media/Kconfig                 |    1 +
 drivers/staging/media/Makefile                |    1 +
 .../staging/media/rkvdec/rkvdec-h264-cabac.h  |  509 +++++++
 drivers/staging/media/rkvdec/rkvdec-h264.c    |  500 +------
 drivers/staging/media/rkvdec2/Kconfig         |   15 +
 drivers/staging/media/rkvdec2/Makefile        |    3 +
 drivers/staging/media/rkvdec2/TODO            |   12 +
 drivers/staging/media/rkvdec2/rkvdec2-h264.c  |  739 ++++++++++
 drivers/staging/media/rkvdec2/rkvdec2-regs.h  |  345 +++++
 drivers/staging/media/rkvdec2/rkvdec2.c       | 1253 +++++++++++++++++
 drivers/staging/media/rkvdec2/rkvdec2.h       |  130 ++
 13 files changed, 3105 insertions(+), 499 deletions(-)
 create mode 100644 drivers/staging/media/rkvdec/rkvdec-h264-cabac.h
 create mode 100644 drivers/staging/media/rkvdec2/Kconfig
 create mode 100644 drivers/staging/media/rkvdec2/Makefile
 create mode 100644 drivers/staging/media/rkvdec2/TODO
 create mode 100644 drivers/staging/media/rkvdec2/rkvdec2-h264.c
 create mode 100644 drivers/staging/media/rkvdec2/rkvdec2-regs.h
 create mode 100644 drivers/staging/media/rkvdec2/rkvdec2.c
 create mode 100644 drivers/staging/media/rkvdec2/rkvdec2.h

-- 
2.44.2