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path: root/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.c
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2023-04-15media: imx-jpeg: Encoder add support for 12bit jpegMing Qian1-4/+10
enable encoding 12-bit extended jpeg Signed-off-by: Ming Qian <ming.qian@nxp.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2023-04-15media: imx-jpeg: Clear slot next desc ptr if config errorMing Qian1-0/+5
clear slot next desc ptr if config error, otherwise codec will report config error interrupt repeatedly, it may led to system hang. Signed-off-by: Ming Qian <ming.qian@nxp.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-09-30media: imx-jpeg: Disable useless interrupt to avoid kernel panicMing Qian1-1/+3
There is a hardware bug that the interrupt STMBUF_HALF may be triggered after or when disable interrupt. It may led to unexpected kernel panic. And interrupt STMBUF_HALF and STMBUF_RTND have no other effect. So disable them and the unused interrupts. meanwhile clear the interrupt status when disable interrupt. Signed-off-by: Ming Qian <ming.qian@nxp.com> Reviewed-by: Mirela Rabulea <mirela.rabulea@nxp.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
2022-06-27media: imx-jpeg: Disable slot interrupt when frame doneMing Qian1-0/+5
The interrupt STMBUF_HALF may be triggered after frame done. It may led to system hang if driver try to access the register after power off. Disable the slot interrupt when frame done. Fixes: 2db16c6ed72ce ("media: imx-jpeg: Add V4L2 driver for i.MX8 JPEG Encoder/Decoder") Signed-off-by: Ming Qian <ming.qian@nxp.com> Reviewed-by: Mirela Rabulea <mirela.rabulea@nxp.com> Tested-by: Mirela Rabulea <mirela.rabulea@nxp.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-06-20media: imx-jpeg: Encoder support to set jpeg qualityMing Qian1-3/+8
Implement V4L2_CID_JPEG_COMPRESSION_QUALITY to set jpeg quality Signed-off-by: Ming Qian <ming.qian@nxp.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-03-14media: platform: place NXP drivers on a separate dirMauro Carvalho Chehab1-0/+168
In order to cleanup the main platform media directory, move NXP drivers to their own directory. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>