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-rw-r--r--common/lcd.c28
1 files changed, 25 insertions, 3 deletions
diff --git a/common/lcd.c b/common/lcd.c
index 0be1912..d79350f 100644
--- 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);