diff options
| -rw-r--r-- | common/lcd.c | 59 | ||||
| -rw-r--r-- | include/lcd.h | 21 |
2 files changed, 47 insertions, 33 deletions
diff --git a/common/lcd.c b/common/lcd.c index f459a7498..d238fdde8 100644 --- a/common/lcd.c +++ b/common/lcd.c @@ -622,19 +622,15 @@ void bitmap_plot (int x, int y) */ int lcd_display_bitmap(ulong bmp_image, int x, int y) { -#ifdef CONFIG_ATMEL_LCD - uint *cmap; -#elif !defined(CONFIG_MCC200) - ushort *cmap; -#endif + ushort *cmap = NULL, *cmap_base = NULL; 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 width, height, byte_width; unsigned long pwidth = panel_info.vl_col; - unsigned colors,bpix; + unsigned colors, bpix, bmp_bpix; unsigned long compression; #if defined(CONFIG_PXA250) struct pxafb_info *fbi = &panel_info.pxa; @@ -647,22 +643,24 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y) (bmp->header.signature[1]=='M'))) { printf ("Error: no valid bmp image at %lx\n", bmp_image); return 1; -} + } width = le32_to_cpu (bmp->header.width); height = le32_to_cpu (bmp->header.height); - colors = 1<<le16_to_cpu (bmp->header.bit_count); + bmp_bpix = le16_to_cpu(bmp->header.bit_count); + colors = 1 << bmp_bpix; compression = le32_to_cpu (bmp->header.compression); bpix = NBITS(panel_info.vl_bpix); if ((bpix != 1) && (bpix != 8) && (bpix != 16)) { - printf ("Error: %d bit/pixel mode not supported by U-Boot\n", - bpix); + printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", + bpix, bmp_bpix); return 1; } - if (bpix != le16_to_cpu(bmp->header.bit_count)) { + /* We support displaying 8bpp BMPs on 16bpp LCDs */ + if (bpix != bmp_bpix && (bmp_bpix != 8 || bpix != 16)) { printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", bpix, le16_to_cpu(bmp->header.bit_count)); @@ -674,17 +672,17 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y) #if !defined(CONFIG_MCC200) /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */ - if (bpix==8) { + if (bmp_bpix == 8) { #if defined(CONFIG_PXA250) cmap = (ushort *)fbi->palette; #elif defined(CONFIG_MPC823) cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]); -#elif defined(CONFIG_ATMEL_LCD) - cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0)); -#else -# error "Don't know location of color map" +#elif !defined(CONFIG_ATMEL_LCD) + cmap = panel_info.cmap; #endif + cmap_base = cmap; + /* Set color map */ for (i=0; i<colors; ++i) { bmp_color_table_entry_t cte = bmp->color_table[i]; @@ -698,10 +696,10 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y) #else *cmap = colreg; #endif -#if defined(CONFIG_PXA250) - cmap++; -#elif defined(CONFIG_MPC823) +#if defined(CONFIG_MPC823) cmap--; +#else + cmap++; #endif #else /* CONFIG_ATMEL_LCD */ lcd_setcolreg(i, cte.red, cte.green, cte.blue); @@ -739,19 +737,30 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y) fb = (uchar *) (lcd_base + (y + height - 1) * lcd_line_length + x); - switch (bpix) { + switch (bmp_bpix) { case 1: /* pass through */ case 8: + if (bpix != 16) + byte_width = width; + else + byte_width = width * 2; + for (i = 0; i < height; ++i) { WATCHDOG_RESET(); - for (j = 0; j < width ; j++) + for (j = 0; j < width; j++) { + if (bpix != 16) { #if defined(CONFIG_PXA250) || defined(CONFIG_ATMEL_LCD) - *(fb++) = *(bmap++); + *(fb++) = *(bmap++); #elif defined(CONFIG_MPC823) || defined(CONFIG_MCC200) - *(fb++)=255-*(bmap++); + *(fb++) = 255 - *(bmap++); #endif + } else { + *(uint16_t *)fb = cmap_base[*(bmap++)]; + fb += sizeof(uint16_t) / sizeof(*fb); + } + } bmap += (width - padded_line); - fb -= (width + lcd_line_length); + fb -= (byte_width + lcd_line_length); } break; diff --git a/include/lcd.h b/include/lcd.h index 512221e9c..f054cac05 100644 --- a/include/lcd.h +++ b/include/lcd.h @@ -148,14 +148,6 @@ typedef struct vidinfo { extern vidinfo_t panel_info; -#elif defined(CONFIG_MCC200) -typedef struct vidinfo { - ushort vl_col; /* Number of columns (i.e. 160) */ - ushort vl_row; /* Number of rows (i.e. 100) */ - - u_char vl_bpix; /* Bits per pixel, 0 = 1 */ -} vidinfo_t; - #elif defined(CONFIG_ATMEL_LCD) typedef struct vidinfo { @@ -183,6 +175,19 @@ typedef struct vidinfo { extern vidinfo_t panel_info; +#else + +typedef struct vidinfo { + ushort vl_col; /* Number of columns (i.e. 160) */ + ushort vl_row; /* Number of rows (i.e. 100) */ + + u_char vl_bpix; /* Bits per pixel, 0 = 1 */ + + ushort *cmap; /* Pointer to the colormap */ + + void *priv; /* Pointer to driver-specific data */ +} vidinfo_t; + #endif /* CONFIG_MPC823, CONFIG_PXA250 or CONFIG_MCC200 or CONFIG_ATMEL_LCD */ /* Video functions */ |