RTCPU driver probe主要完成如下功能,
1.获取HW Resource
2.初始化rtcpu ddr 带宽
3.初始化rtcpu的 trace point/trace buffer
4.初始化核间通信 channel (HSP mailbox)R52 vs CPU
5.初始化和虚拟机通信的channel 和相关的monitor

VI driver 的probe 完成如下功能,
1. VI channel的rigister
2.capture_vi channel 的controller
3.把vi channel 作为v4l2 device 并初始化相关资源

capture_ivc_probe完成如下功能,
1.初始化capture_control(camera sensor capture)
2.create kwoker 当rtcpu 完成camera 一帧数据的piple line后会在该kworker callback,该kworker通知ACPU 该frame完成capture,进行下一个frame的capture,整个pipleline 建立了并运行起来。

isp/vi pipleline
1.vi/isp capture request
2.vi/isp capture program_reqeust
3.vi/isp submit request to rtcpu
4.it will callback when rtcpu finish the frame capture

Case app vi capture request

More HW pipleline

