Merge branch 'master' of http://www.denx.de/git/u-boot

[platform/kernel/u-boot.git] / common / lcd.c

diff --git a/common/lcd.c b/common/lcd.c
index 0be1912..df31ca9 100644 (file)
--- a/common/lcd.c
+++ b/common/lcd.c
@@ -585,6 +585,7 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
        uchar *bmap;
        ushort padded_line;
        unsigned long width, height;
+       unsigned long pwidth = panel_info.vl_col;
        unsigned colors,bpix;
        unsigned long compression;
 #if defined(CONFIG_PXA250)
@@ -628,6 +629,8 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
                cmap = (ushort *)fbi->palette;
 #elif defined(CONFIG_MPC823)
                cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]);
+#elif defined(CONFIG_MCC200)
+               /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */
 #else
 # error "Don't know location of color map"
 #endif
@@ -652,9 +655,28 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
                }
        }
 
+       /*
+        *  BMP format for Monochrome assumes that the state of a
+        * pixel is described on a per Bit basis, not per Byte.
+        *  So, in case of Monochrome BMP we should align widths
+        * on a byte boundary and convert them from Bit to Byte
+        * units.
+        *  Probably, PXA250 and MPC823 process 1bpp BMP images in
+        * their own ways, so make the converting to be MCC200
+        * specific.
+        */
+#if defined(CONFIG_MCC200)
+       if (bpix==1)
+       {
+               width = ((width + 7) & ~7) >> 3;
+               x     = ((x + 7) & ~7) >> 3;
+               pwidth= ((pwidth + 7) & ~7) >> 3;
+       }
+#endif
+
        padded_line = (width&0x3) ? ((width&~0x3)+4) : (width);
-       if ((x + width)>panel_info.vl_col)
-               width = panel_info.vl_col - x;
+       if ((x + width)>pwidth)
+               width = pwidth - x;
        if ((y + height)>panel_info.vl_row)
                height = panel_info.vl_row - y;
 
@@ -666,7 +688,7 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
                for (j = 0; j < width ; j++)
 #if defined(CONFIG_PXA250)
                        *(fb++)=*(bmap++);
-#elif defined(CONFIG_MPC823)
+#elif defined(CONFIG_MPC823) || defined(CONFIG_MCC200)
                        *(fb++)=255-*(bmap++);
 #endif
                bmap += (width - padded_line);