mirror of
https://github.com/thead-yocto-mirror/vi-kernel
synced 2026-06-21 17:02:34 +02:00
38 lines
1.2 KiB
Plaintext
Executable File
38 lines
1.2 KiB
Plaintext
Executable File
isp kernel driver (verisilicon)
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file description:
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vvcam/common/video.c - register v4l2 video device, filename is /dev/videox, process standard v4l2 command.
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vvcam/driver/isp_driver.c - register v4l2 subdev, filename is /dev/v4l-subdevx, supply full isp options for all modules.
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units/ispdrv/isp/ic_dev.h - defined all isp main/sub modules structure.
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units/ispdrv/isp/isp_ioctl.h - defined all isp ioctls and internal functions.
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units/ispdrv/isp/isp_ioctl.c - dispatch ioctl and implement isp main functions.(need create new file if module code number larger than 100, such as wdr3, 3dnr)
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units/ispdrv/isp/cma.h - continuous memory allocator, user may need replace it.
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setup environment:
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cd appshell
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source environment-setup-<tool-chain>-linux
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source environment-setup-x86_64-linux
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build:
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cd vvcam/native
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make VERSION_CFG=ISP8000NANO_V1802
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clean:
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cd vvcam/native
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make clean
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install:
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cd vvcam/native/bin
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./insmod.sh
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unistall:
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cd vvcam/native/bin
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./rmmod.sh
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porting guide:
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1. modify ISP_REG_BASE and ISP_REG_BASE in version.h
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2. modify RESERVED_MEM_BASE and RESERVED_MEM_SIZE in version.h
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3. for use cma, user need modify linux dts file to map the device memory.
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or replace vb2_cma_alloc to default vb2 mem_ops.
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