<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[linus]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/luoyaojun000</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; luoyaojun000]]></copyright><item><title><![CDATA[rockchip modetest输出测试]]></title><link>https://blog.youkuaiyun.com/luoyaojun000/article/details/146131055</link><guid>https://blog.youkuaiyun.com/luoyaojun000/article/details/146131055</guid><author>luoyaojun000</author><pubDate>Sun, 09 Mar 2025 13:20:29 +0800</pubDate><description><![CDATA[应用程序输出路径：out/target/product/rk3588/testcases/modetest/arm64/modetest。2、将编译出的应用程序放到板子上。1、编译modetest测试。3、执行modetest。adb push上传。]]></description><category></category></item><item><title><![CDATA[rk3568 mipi屏驱动]]></title><link>https://blog.youkuaiyun.com/luoyaojun000/article/details/146130965</link><guid>https://blog.youkuaiyun.com/luoyaojun000/article/details/146130965</guid><author>luoyaojun000</author><pubDate>Sun, 09 Mar 2025 13:13:22 +0800</pubDate><description><![CDATA[dclk_vop1                   0        1        0    63000000          0     0  50000    //    63M为MIPI的时钟。多屏显示时出现插上HDMI后，MIPI屏无输出的情况，因为HDMI插入后影响了MIPI输出的时钟，需修改vop节点，将VOP0（HDMI的时钟）和VOP1（MIPI的时钟）的父时钟分开。// 下面这些延时参数在uboot阶段就被读取并设置，需参考屏幕的手册设置。//    vop可以配置交换颜色。]]></description><category></category></item><item><title><![CDATA[rk3588 HDMI支持1024x600分辨率]]></title><link>https://blog.youkuaiyun.com/luoyaojun000/article/details/146130905</link><guid>https://blog.youkuaiyun.com/luoyaojun000/article/details/146130905</guid><author>luoyaojun000</author><pubDate>Sun, 09 Mar 2025 13:08:26 +0800</pubDate><description><![CDATA[1、修改kernel_xzs/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c。2、修改kernel_xzs/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c。回退之前的修改，用这个试下， 其中“"xxx", 0x000”部分需要你根据要修改的目标屏的名称和。把一些识别到的非标时钟临时改成5000，其中50250的值来自内核打印。product id（来自edid）]]></description><category></category></item><item><title><![CDATA[rk3568-MIPI摄像头时钟定义]]></title><link>https://blog.youkuaiyun.com/luoyaojun000/article/details/146130832</link><guid>https://blog.youkuaiyun.com/luoyaojun000/article/details/146130832</guid><author>luoyaojun000</author><pubDate>Sun, 09 Mar 2025 13:01:12 +0800</pubDate><description><![CDATA[在dts中需用到soc提供24M（参考摄像头手册）主时钟给摄像头，用rk提供的camera时钟引脚。CLK_CAM0_OUT定义路径。]]></description><category></category></item><item><title><![CDATA[hi3519dv500 os04a10输入调试]]></title><link>https://blog.youkuaiyun.com/luoyaojun000/article/details/146130792</link><guid>https://blog.youkuaiyun.com/luoyaojun000/article/details/146130792</guid><author>luoyaojun000</author><pubDate>Sun, 09 Mar 2025 12:57:49 +0800</pubDate><description><![CDATA[因该sensor接在soc端的iic6，在驱动中（Hi3519DV500_SDK_V2.0.1.1\smp\a55_linux\source\mpp\cbb\isp\user\sensor\hi3519dv500\omnivision_os04a10\os04a10_sensor_ctl.c）注意总线的选择。mem_process_isolation=1 改为 mem_process_isolation=0。2、OT_MIPI_SET_HS_MODE配置为LANE_DIVIDE_MODE_1。]]></description><category></category></item><item><title><![CDATA[hi3556/3559V200 BT656输入]]></title><link>https://blog.youkuaiyun.com/luoyaojun000/article/details/146130760</link><guid>https://blog.youkuaiyun.com/luoyaojun000/article/details/146130760</guid><author>luoyaojun000</author><pubDate>Sun, 09 Mar 2025 12:53:42 +0800</pubDate><description><![CDATA[参考《Hi3556V200  Sensor输入接口电平场景详细说明.xlsx》文件获得cmos的接入方法，因BT656未占用MIPI资源，所以不需要设置stcomboDevAttr。硬件设置复用，cmos的输入引脚复用一般在loadxxxx文件中，例如。查看PINOUT文件，对比硬件连接引脚和复用配置是否匹配！如果有部分引脚没有配置正确，比如CLK，需手动复用。]]></description><category></category></item><item><title><![CDATA[Linux内核视频输入驱动框架]]></title><link>https://blog.youkuaiyun.com/luoyaojun000/article/details/145942720</link><guid>https://blog.youkuaiyun.com/luoyaojun000/article/details/145942720</guid><author>luoyaojun000</author><pubDate>Sat, 01 Mar 2025 09:01:07 +0800</pubDate><description><![CDATA[视频输入驱动通常用于从摄像头、视频采集卡等设备中捕获视频数据。Linux内核提供了Video4Linux2（V4L2）框架来处理视频设备的输入和输出。V4L2是一个标准化的API，用于处理视频设备，包括摄像头、电视调谐器等。以上是一个简化的Linux内核视频输入驱动框架的实现示例。实际的驱动开发中，还需要考虑更多的细节，如错误处理、性能优化、兼容性等。]]></description><category></category></item><item><title><![CDATA[linux内核input驱动框架]]></title><link>https://blog.youkuaiyun.com/luoyaojun000/article/details/116004866</link><guid>https://blog.youkuaiyun.com/luoyaojun000/article/details/116004866</guid><author>luoyaojun000</author><pubDate>Thu, 22 Apr 2021 11:01:35 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[linux网卡驱动框架]]></title><link>https://blog.youkuaiyun.com/luoyaojun000/article/details/116004080</link><guid>https://blog.youkuaiyun.com/luoyaojun000/article/details/116004080</guid><author>luoyaojun000</author><pubDate>Thu, 22 Apr 2021 10:46:56 +0800</pubDate><description><![CDATA[PHY：

1、phy_init（drivers/net/phy/phy_device.c）：

    mdio_bus_init
        bus_register(&amp;mdio_bus_type);
    phy_driver_register(&amp;genphy_driver); 通用驱动



2、各厂商网卡的驱动初始化，以micrel为例（drivers/net/phy/micrel.c）：

ksphy_init

phy_driver...]]></description><category></category></item></channel></rss>