[U-Boot] [PATCH 1/2] LCD: drawing 32bpp uncompressed bitmap image

[Donghwa Lee]

This patch supports drawing 32bpp uncompressed bitmap image.

Signed-off-by: Donghwa Lee <dh09....@samsung.com>
Signed-off-by: Kyungmin.park <kyungmin.p...@samsung.com>
---
 common/lcd.c |   26 ++++++++++++++++++++++----
 1 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/common/lcd.c b/common/lcd.c
index bf1a6a9..a7b04d2 100644
--- a/common/lcd.c
+++ b/common/lcd.c
@@ -645,14 +645,14 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
 
        bpix = NBITS(panel_info.vl_bpix);
 
-       if ((bpix != 1) && (bpix != 8) && (bpix != 16)) {
+       if ((bpix != 1) && (bpix != 8) && (bpix != 16) && (bpix != 32)) {
                printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
                        bpix, bmp_bpix);
                return 1;
        }
 
        /* We support displaying 8bpp BMPs on 16bpp LCDs */
-       if (bpix != bmp_bpix && (bmp_bpix != 8 || bpix != 16)) {
+       if (bpix != bmp_bpix && (bmp_bpix != 8 || bpix != 16 || bpix != 32)) {
                printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
                        bpix,
                        le16_to_cpu(bmp->header.bit_count));
@@ -669,7 +669,7 @@ 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_ATMEL_LCD)
+#elif !defined(CONFIG_ATMEL_LCD) && !defined(CONFIG_EXYNOS_FB)
                cmap = panel_info.cmap;
 #endif
 
@@ -739,8 +739,14 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
                height = panel_info.vl_row - y;
 
        bmap = (uchar *)bmp + le32_to_cpu (bmp->header.data_offset);
+
+#ifndef CONFIG_EXYNOS_FB
        fb   = (uchar *) (lcd_base +
                (y + height - 1) * lcd_line_length + x * bpix / 8);
+#else
+       fb = (uchar *) (lcd_base + (y + height) *
+                       (panel_info.vl_col * (bpix / 8)) + x * (bpix / 8));
+#endif
 
        switch (bmp_bpix) {
        case 1: /* pass through */
@@ -788,9 +794,21 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
                        bmap += (padded_line - width) * 2;
                        fb   -= (width * 2 + lcd_line_length);
                }
+
                break;
 #endif /* CONFIG_BMP_16BPP */
-
+       case 32:
+               for (i = 0; i < height; ++i) {
+                       for (j = 0; j < width; j++) {
+                               *(fb++) = *(bmap++);
+                               *(fb++) = *(bmap++);
+                               *(fb++) = *(bmap++);
+                               *(fb++) = *(bmap++);
+                       }
+                       fb  -= ((panel_info.vl_col *
+                               (bpix / 8)) + width * (bpix / 8));
+               }
+               break;
        default:
                break;
        };
-- 
1.7.4.1

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