rk fb:add get_format_string to convert format to string for debug

diff --git a/drivers/video/rockchip/rk_fb.c b/drivers/video/rockchip/rk_fb.c
index 5beda751db890b684e1e2b60657c0fc50ff39ac8..17c1db1c25c4e1269311cc9f110cdb62e8bc00c3 100644 (file)
--- a/drivers/video/rockchip/rk_fb.c
+++ b/drivers/video/rockchip/rk_fb.c
@@ -54,16 +54,47 @@ static struct rk_fb_rgb def_rgb_16 = {
 };
 
 
-/***************************************************************************
-fb0-----------lcdc0------------win1  for ui
-fb1-----------lcdc0------------win0  for video,win0 support 3d display
-fb2-----------lcdc1------------win1  for ui
-fb3-----------lcdc1-------------win0 for video ,win0 support 3d display
-
-defautl:we alloc three buffer,one for fb0 and fb2 display ui,one for ipp rotate
-        fb1 and fb3 are used for video play,the buffer is alloc by android,and
-        pass the phy addr to fix.smem_start by ioctl
-****************************************************************************/
+char * get_format_string(enum data_format format,char *fmt)
+{
+       if(!fmt)
+               return NULL;
+       switch(format)
+       {
+       case ARGB888:
+               strcpy(fmt,"ARGB888");
+               break;
+       case RGB888:
+               strcpy(fmt,"RGB888");
+               break;
+       case RGB565:
+               strcpy(fmt,"RGB565");
+               break;
+       case YUV420:
+               strcpy(fmt,"YUV420");
+               break;
+       case YUV422:
+               strcpy(fmt,"YUV422");
+               break;
+       case YUV444:
+               strcpy(fmt,"YUV444");
+               break;
+       case XRGB888:
+               strcpy(fmt,"XRGB888");
+               break;
+       case XBGR888:
+               strcpy(fmt,"XBGR888");
+               break;
+       case ABGR888:
+               strcpy(fmt,"XBGR888");
+               break;
+       default:
+               strcpy(fmt,"invalid");
+               break;
+       }
+
+       return fmt;
+       
+}
 
 
 

diff --git a/include/linux/rk_fb.h b/include/linux/rk_fb.h
index 6ed2e8103735536202095b52f2e0d29f26e0519f..4903854f22857ac894b3a462653df6279f23a458 100644 (file)
--- a/include/linux/rk_fb.h
+++ b/include/linux/rk_fb.h
@@ -303,6 +303,8 @@ extern struct rk_lcdc_device_driver * rk_get_lcdc_drv(char *name);
 extern int rk_fb_switch_screen(rk_screen *screen ,int enable ,int lcdc_id);
 extern int rk_fb_disp_scale(u8 scale_x, u8 scale_y,u8 lcdc_id);
 extern int rkfb_create_sysfs(struct fb_info *fbi);
+extern char * get_format_string(enum data_format,char *fmt);
+
 static int inline rk_fb_calc_fps(rk_screen *screen,u32 pixclock)
 {
        int x, y;
@@ -402,4 +404,5 @@ static int inline __rk_platform_add_display_devices(struct platform_device *fb,
 
        return 0;
 }
+
 #endif