Commit d77182ad authored by Jernej Skrabec's avatar Jernej Skrabec Committed by Mauro Carvalho Chehab
Browse files

media: sun8i: Add Allwinner A83T Rotate driver 



Allwinner A83T contains rotation core which can rotate and flip images.

Add a driver for it.

Signed-off-by: default avatarJernej Skrabec <jernej.skrabec@siol.net>
[hverkuil-cisco@xs4all.nl: MAINTAINERS paths were out of date, fix that]
[hverkuil-cisco@xs4all.nl: VFL_TYPE_GRABBER -> _VIDEO]
[hverkuil-cisco@xs4all.nl: Fix module build]
Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 02fd2782

MAINTAINERS

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@@ -14363,6 +14363,14 @@ F: include/net/rose.h 
F:	include/uapi/linux/rose.h

F:	include/uapi/linux/rose.h

F:	net/rose/

F:	net/rose/













ROTATION DRIVER FOR ALLWINNER A83T










M:	Jernej Skrabec <jernej.skrabec@siol.net>










L:	linux-media@vger.kernel.org










T:	git git://linuxtv.org/media_tree.git










S:	Maintained










F:	drivers/media/platform/sunxi/sun8i-rotate/










F:	Documentation/devicetree/bindings/media/allwinner,sun8i-a83t-de2-rotate.yaml

















RTL2830 MEDIA DRIVER




RTL2830 MEDIA DRIVER








M:	Antti Palosaari <crope@iki.fi>




M:	Antti Palosaari <crope@iki.fi>








L:	linux-media@vger.kernel.org




L:	linux-media@vger.kernel.org
































drivers/media/platform/Kconfig



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@@ -507,6 +507,18 @@ config VIDEO_SUN8I_DEINTERLACE






	   capability found on some SoCs, like H3.




	   capability found on some SoCs, like H3.








	   To compile this driver as a module choose m here.




	   To compile this driver as a module choose m here.
























config VIDEO_SUN8I_ROTATE










	tristate "Allwinner DE2 rotation driver"










	depends on VIDEO_DEV && VIDEO_V4L2










	depends on ARCH_SUNXI || COMPILE_TEST










	depends on COMMON_CLK && OF










	depends on PM










	select VIDEOBUF2_DMA_CONTIG










	select V4L2_MEM2MEM_DEV










	help










	   Support for the Allwinner DE2 rotation unit.










	   To compile this driver as a module choose m here.



















endif # V4L_MEM2MEM_DRIVERS




endif # V4L_MEM2MEM_DRIVERS






















# TI VIDEO PORT Helper Modules




# TI VIDEO PORT Helper Modules
































drivers/media/platform/sunxi/Makefile



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obj-y		+= sun4i-csi/




obj-y		+= sun4i-csi/








obj-y		+= sun6i-csi/




obj-y		+= sun6i-csi/








obj-y		+= sun8i-di/




obj-y		+= sun8i-di/










obj-y		+= sun8i-rotate/
























drivers/media/platform/sunxi/sun8i-rotate/Makefile
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# SPDX-License-Identifier: GPL-2.0










sun8i-rotate-y += sun8i_rotate.o










sun8i-rotate-y += sun8i_formats.o





















obj-$(CONFIG_VIDEO_SUN8I_ROTATE) += sun8i-rotate.o
























drivers/media/platform/sunxi/sun8i-rotate/sun8i-formats.h
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/* SPDX-License-Identifier: GPL-2.0 */










/* Copyright (C) 2020 Jernej Skrabec <jernej.skrabec@siol.net> */





















#ifndef _SUN8I_FORMATS_H_










#define _SUN8I_FORMATS_H_





















#include <linux/videodev2.h>





















#define ROTATE_FLAG_YUV    BIT(0)










#define ROTATE_FLAG_OUTPUT BIT(1)





















struct rotate_format {










	u32 fourcc;










	u32 hw_format;










	int planes;










	int bpp[3];










	int hsub;










	int vsub;










	unsigned int flags;










};





















const struct rotate_format *rotate_find_format(u32 pixelformat);










int rotate_enum_fmt(struct v4l2_fmtdesc *f, bool dst);





















#endif