Added support for splash screen positioning

[oweals/u-boot.git] / common / lcd.c

diff --git a/common/lcd.c b/common/lcd.c
index 74a5c77693f8b09e5e12d99645faac3188738881..b9a698d5c405756e6951cd69397847d755a6f8dd 100644 (file)
--- a/common/lcd.c
+++ b/common/lcd.c
@@ -620,6 +620,11 @@ void bitmap_plot (int x, int y)
  * Display the BMP file located at address bmp_image.
  * Only uncompressed.
  */
+
+#ifdef CONFIG_SPLASH_SCREEN_ALIGN
+#define BMP_ALIGN_CENTER       0x7FFF
+#endif
+
 int lcd_display_bitmap(ulong bmp_image, int x, int y)
 {
 #if !defined(CONFIG_MCC200)
@@ -731,6 +736,19 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
 #endif
 
        padded_line = (width&0x3) ? ((width&~0x3)+4) : (width);
+
+#ifdef CONFIG_SPLASH_SCREEN_ALIGN
+       if (x == BMP_ALIGN_CENTER)
+               x = max(0, (pwidth - width) / 2);
+       else if (x < 0)
+               x = max(0, pwidth - width + x + 1);
+
+       if (y == BMP_ALIGN_CENTER)
+               y = max(0, (panel_info.vl_row - height) / 2);
+       else if (y < 0)
+               y = max(0, panel_info.vl_row - height + y + 1);
+#endif /* CONFIG_SPLASH_SCREEN_ALIGN */
+
        if ((x + width)>pwidth)
                width = pwidth - x;
        if ((y + height)>panel_info.vl_row)
@@ -809,9 +827,26 @@ static void *lcd_logo (void)
        static int do_splash = 1;
 
        if (do_splash && (s = getenv("splashimage")) != NULL) {
-               addr = simple_strtoul(s, NULL, 16);
+               int x = 0, y = 0;
                do_splash = 0;
 
+               addr = simple_strtoul (s, NULL, 16);
+#ifdef CONFIG_SPLASH_SCREEN_ALIGN
+               if ((s = getenv ("splashpos")) != NULL) {
+                       if (s[0] == 'm')
+                               x = BMP_ALIGN_CENTER;
+                       else
+                               x = simple_strtol (s, NULL, 0);
+
+                       if ((s = strchr (s + 1, ',')) != NULL) {
+                               if (s[1] == 'm')
+                                       y = BMP_ALIGN_CENTER;
+                               else
+                                       y = simple_strtol (s + 1, NULL, 0);
+                       }
+               }
+#endif /* CONFIG_SPLASH_SCREEN_ALIGN */
+
 #ifdef CONFIG_VIDEO_BMP_GZIP
                bmp_image_t *bmp = (bmp_image_t *)addr;
                unsigned long len;
@@ -822,7 +857,7 @@ static void *lcd_logo (void)
                }
 #endif
 
-               if (lcd_display_bitmap (addr, 0, 0) == 0) {
+               if (lcd_display_bitmap (addr, x, y) == 0) {
                        return ((void *)lcd_base);
                }
        }