61cbf1c1fa
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>
17 lines
440 B
C
17 lines
440 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright 2020-2021 NXP
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*/
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#ifndef _AMPHION_VPU_MBOX_H
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#define _AMPHION_VPU_MBOX_H
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int vpu_mbox_init(struct vpu_core *core);
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int vpu_mbox_request(struct vpu_core *core);
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void vpu_mbox_free(struct vpu_core *core);
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void vpu_mbox_send_msg(struct vpu_core *core, u32 type, u32 data);
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void vpu_mbox_send_type(struct vpu_core *core, u32 type);
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void vpu_mbox_enable_rx(struct vpu_dev *dev);
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#endif
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