+static int init_layer_par(struct rk_lcdc_device_driver *dev_drv)
+{
+ int i;
+ struct layer_par * def_par = NULL;
+ int num_par = dev_drv->num_layer;
+ for(i = 0; i < num_par; i++)
+ {
+ struct layer_par *par = NULL;
+ par = kzalloc(sizeof(struct layer_par), GFP_KERNEL);
+ if(!par)
+ {
+ printk(KERN_ERR "kzmalloc for layer_par fail!");
+ return -ENOMEM;
+
+ }
+ def_par = &dev_drv->def_layer_par[i];
+ strcpy(par->name,def_par->name);
+ par->id = def_par->id;
+ par->support_3d = def_par->support_3d;
+ dev_drv->layer_par[i] = par;
+ }
+
+ return 0;
+
+
+}
+
+
+static int init_lcdc_device_driver(struct rk_lcdc_device_driver *dev_drv,
+ struct rk_lcdc_device_driver *def_drv,int id)
+{
+ if(!def_drv)
+ {
+ printk(KERN_ERR "default lcdc device driver is null!\n");
+ return -EINVAL;
+ }
+ if(!dev_drv)
+ {
+ printk(KERN_ERR "lcdc device driver is null!\n");
+ return -EINVAL;
+ }
+ sprintf(dev_drv->name, "lcdc%d",id);
+ dev_drv->open = def_drv->open;
+ dev_drv->init_lcdc = def_drv->init_lcdc;
+ dev_drv->ioctl = def_drv->ioctl;
+ dev_drv->blank = def_drv->blank;
+ dev_drv->set_par = def_drv->set_par;
+ dev_drv->pan_display = def_drv->pan_display;
+ dev_drv->suspend = def_drv->suspend;
+ dev_drv->resume = def_drv->resume;
+ dev_drv->load_screen = def_drv->load_screen;
+ dev_drv->def_layer_par = def_drv->def_layer_par;
+ dev_drv->num_layer = def_drv->num_layer;
+ init_layer_par(dev_drv);
+ init_completion(&dev_drv->frame_done);
+ spin_lock_init(&dev_drv->cpl_lock);
+ dev_drv->first_frame = 1;
+
+ return 0;
+}
+
+int rk_fb_register(struct rk_lcdc_device_driver *dev_drv,
+ struct rk_lcdc_device_driver *def_drv,int id)