int __devinit s3c2410fb_init(void)
{
     return platform_driver_register(&s3c2410fb_driver);
}

static void __exit s3c2410fb_cleanup(void)
{
     platform_driver_unregister(&s3c2410fb_driver);
}

static struct platform_driver s3c2410fb_driver = {
       .probe           = s3c2410fb_probe,        //检测函数,注册设备
       .remove         = s3c2410fb_remove,    //删除设备
       .suspend = s3c2410fb_suspend,          //休眠
       .resume          = s3c2410fb_resume,    //唤醒
       .driver            = {
              .name     = "s3c2410-lcd",           //drv名字
              .owner    = THIS_MODULE,
       },
};

static int __init s3c2410fb_probe(struct platform_device *pdev)
{
       struct s3c2410fb_info *info;
       struct fb_info     *fbinfo;
       struct s3c2410fb_hw *mregs;
       int ret;
       int irq;
       int i;
       u32 lcdcon1;
 
       mach_info = pdev->dev.platform_data;     //获取LCD设备信息(长宽、类型等)

       if (mach_info == NULL) {
              dev_err(&pdev->dev,"no platform data for lcd, cannot attach\n");
              return -EINVAL;
       }
       mregs = &mach_info->regs;


       irq = platform_get_irq(pdev, 0);
       if (irq < 0) {
              dev_err(&pdev->dev, "no irq for device\n");
              return -ENOENT;
       }

 

       fbinfo = framebuffer_alloc(sizeof(struct s3c2410fb_info), &pdev->dev); //1.分配一个fb_info结构体
       if (!fbinfo) {
              return -ENOMEM;
       }

 

     /*2.设置fb_info*/
       info = fbinfo->par;
       info->fb = fbinfo;
       info->dev = &pdev->dev;
       ... ...

    /*3.硬件相关的操作,设置中断,LCD时钟频率,显存地址, 配置引脚... ...*/
       ret = request_irq(irq, s3c2410fb_irq, IRQF_DISABLED, pdev->name, info); //设置中断
       info->clk = clk_get(NULL, "lcd");                    //获取时钟
       clk_enable(info->clk);                                  //使能时钟
       ret = s3c2410fb_map_video_memory(info);               //显存地址  
       ret = s3c2410fb_init_registers(info);                //设置寄存器,配置引脚
       ... ...

       ret = register_framebuffer(fbinfo);        //4.注册一个fb_info结构体
       if (ret < 0) {
              printk(KERN_ERR "Failed to register framebuffer device: %d\n", ret);
              goto free_video_memory;
       }
... ...
return ret;
}