diff options
Diffstat (limited to 'common/lcd.c')
| -rw-r--r-- | common/lcd.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/common/lcd.c b/common/lcd.c index 0be1912..eaed2ab 100644 --- a/common/lcd.c +++ b/common/lcd.c @@ -578,13 +578,16 @@ void bitmap_plot (int x, int y) */ int lcd_display_bitmap(ulong bmp_image, int x, int y) { +#if !defined(CONFIG_MCC200) ushort *cmap; +#endif ushort i, j; uchar *fb; bmp_image_t *bmp=(bmp_image_t *)bmp_image; 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) @@ -623,6 +626,8 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y) debug ("Display-bmp: %d x %d with %d colors\n", (int)width, (int)height, (int)colors); +#if !defined(CONFIG_MCC200) + /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */ if (bpix==8) { #if defined(CONFIG_PXA250) cmap = (ushort *)fbi->palette; @@ -651,10 +656,30 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y) #endif } } +#endif + + /* + * 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 +691,7 @@ 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); |