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authorMing Qian <ming.qian@nxp.com>2022-02-24 11:10:03 +0800
committerHans Verkuil <hverkuil-cisco@xs4all.nl>2022-03-07 17:13:33 +0100
commit61cbf1c1fa6d74a6a232a365e0aeddcab11036e4 (patch)
tree1357d4d2d9b29b4c1625e97aed3b35a2cd3c4ec5 /drivers/hv/channel_mgmt.c
parent9f599f351e86acf0fc13e42771f97b7fb4dbbea4 (diff)
media: amphion: implement vpu core communication based on mailbox
driver use mailbox to communicate with vpu core. and there are a command buffer and a message buffer. driver will write commands to the command buffer, then trigger a vpu core interrupt vpu core will write messages to the message buffer, then trigger a cpu interrupt. Signed-off-by: Ming Qian <ming.qian@nxp.com> Signed-off-by: Shijie Qin <shijie.qin@nxp.com> Signed-off-by: Zhou Peng <eagle.zhou@nxp.com> Reported-by: kernel test robot <lkp@intel.com> Tested-by: Nicolas Dufresne <nicolas.dufresne@collabora.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Diffstat (limited to 'drivers/hv/channel_mgmt.c')
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