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-rw-r--r--common/lcd.c153
1 files changed, 83 insertions, 70 deletions
diff --git a/common/lcd.c b/common/lcd.c
index 506a138..b6be800 100644
--- a/common/lcd.c
+++ b/common/lcd.c
@@ -498,23 +498,43 @@ static int lcd_getbgcolor(void)
/************************************************************************/
/* ** Chipset depending Bitmap / Logo stuff... */
/************************************************************************/
+static inline ushort *configuration_get_cmap(void)
+{
+#if defined CONFIG_CPU_PXA
+ struct pxafb_info *fbi = &panel_info.pxa;
+ return (ushort *)fbi->palette;
+#elif defined(CONFIG_MPC823)
+ immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
+ cpm8xx_t *cp = &(immr->im_cpm);
+ return (ushort *)&(cp->lcd_cmap[255 * sizeof(ushort)]);
+#elif defined(CONFIG_ATMEL_LCD)
+ return (ushort *)(panel_info.mmio + ATMEL_LCDC_LUT(0));
+#elif !defined(CONFIG_ATMEL_HLCD) && !defined(CONFIG_EXYNOS_FB)
+ return panel_info.cmap;
+#else
+#if defined(CONFIG_LCD_LOGO)
+ return bmp_logo_palette;
+#else
+ return NULL;
+#endif
+#endif
+}
+
#ifdef CONFIG_LCD_LOGO
void bitmap_plot(int x, int y)
{
#ifdef CONFIG_ATMEL_LCD
- uint *cmap;
+ uint *cmap = (uint *)bmp_logo_palette;
#else
- ushort *cmap;
+ ushort *cmap = (ushort *)bmp_logo_palette;
#endif
ushort i, j;
uchar *bmap;
uchar *fb;
ushort *fb16;
-#if defined(CONFIG_CPU_PXA)
- struct pxafb_info *fbi = &panel_info.pxa;
-#elif defined(CONFIG_MPC823)
- volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
- volatile cpm8xx_t *cp = &(immr->im_cpm);
+#if defined(CONFIG_MPC823)
+ immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
+ cpm8xx_t *cp = &(immr->im_cpm);
#endif
debug("Logo: width %d height %d colors %d cmap %d\n",
@@ -525,20 +545,17 @@ void bitmap_plot(int x, int y)
fb = (uchar *)(lcd_base + y * lcd_line_length + x);
if (NBITS(panel_info.vl_bpix) < 12) {
- /* Leave room for default color map */
-#if defined(CONFIG_CPU_PXA)
- cmap = (ushort *) fbi->palette;
-#elif defined(CONFIG_MPC823)
+ /* Leave room for default color map
+ * default case: generic system with no cmap (most likely 16bpp)
+ * cmap was set to the source palette, so no change is done.
+ * This avoids even more ifdefs in the next stanza
+ */
+#if defined(CONFIG_MPC823)
cmap = (ushort *) &(cp->lcd_cmap[BMP_LOGO_OFFSET * sizeof(ushort)]);
#elif defined(CONFIG_ATMEL_LCD)
- cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0));
+ cmap = (uint *)configuration_get_cmap();
#else
- /*
- * default case: generic system with no cmap (most likely 16bpp)
- * We set cmap to the source palette, so no change is done.
- * This avoids even more ifdef in the next stanza
- */
- cmap = bmp_logo_palette;
+ cmap = configuration_get_cmap();
#endif
WATCHDOG_RESET();
@@ -607,7 +624,46 @@ static inline void bitmap_plot(int x, int y) {}
#ifdef CONFIG_SPLASH_SCREEN_ALIGN
#define BMP_ALIGN_CENTER 0x7FFF
+
+static void splash_align_axis(int *axis, unsigned long panel_size,
+ unsigned long picture_size)
+{
+ unsigned long panel_picture_delta = panel_size - picture_size;
+ unsigned long axis_alignment;
+
+ if (*axis == BMP_ALIGN_CENTER)
+ axis_alignment = panel_picture_delta / 2;
+ else if (*axis < 0)
+ axis_alignment = panel_picture_delta + *axis + 1;
+ else
+ return;
+
+ *axis = max(0, axis_alignment);
+}
+#endif
+
+#if defined(CONFIG_MPC823) || defined(CONFIG_MCC200)
+#define FB_PUT_BYTE(fb, from) *(fb)++ = (255 - *(from)++)
+#else
+#define FB_PUT_BYTE(fb, from) *(fb)++ = *(from)++
+#endif
+
+#if defined(CONFIG_BMP_16BPP)
+#if defined(CONFIG_ATMEL_LCD_BGR555)
+static inline void fb_put_word(uchar **fb, uchar **from)
+{
+ *(*fb)++ = (((*from)[0] & 0x1f) << 2) | ((*from)[1] & 0x03);
+ *(*fb)++ = ((*from)[0] & 0xe0) | (((*from)[1] & 0x7c) >> 2);
+ *from += 2;
+}
+#else
+static inline void fb_put_word(uchar **fb, uchar **from)
+{
+ *(*fb)++ = *(*from)++;
+ *(*fb)++ = *(*from)++;
+}
#endif
+#endif /* CONFIG_BMP_16BPP */
int lcd_display_bitmap(ulong bmp_image, int x, int y)
{
@@ -623,14 +679,8 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
unsigned long width, height, byte_width;
unsigned long pwidth = panel_info.vl_col;
unsigned colors, bpix, bmp_bpix;
-#if defined(CONFIG_CPU_PXA)
- struct pxafb_info *fbi = &panel_info.pxa;
-#elif defined(CONFIG_MPC823)
- volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
- volatile cpm8xx_t *cp = &(immr->im_cpm);
-#endif
- if (!((bmp->header.signature[0] == 'B') &&
+ if (!bmp || !((bmp->header.signature[0] == 'B') &&
(bmp->header.signature[1] == 'M'))) {
printf("Error: no valid bmp image at %lx\n", bmp_image);
@@ -666,14 +716,7 @@ 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 (bmp_bpix == 8) {
-#if defined(CONFIG_CPU_PXA)
- cmap = (ushort *)fbi->palette;
-#elif defined(CONFIG_MPC823)
- cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]);
-#elif !defined(CONFIG_ATMEL_LCD) && !defined(CONFIG_EXYNOS_FB)
- cmap = panel_info.cmap;
-#endif
-
+ cmap = configuration_get_cmap();
cmap_base = cmap;
/* Set color map */
@@ -722,15 +765,8 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
padded_line = (width&0x3) ? ((width&~0x3)+4) : (width);
#ifdef CONFIG_SPLASH_SCREEN_ALIGN
- if (x == BMP_ALIGN_CENTER)
- x = max(0, (pwidth - width) / 2);
- else if (x < 0)
- x = max(0, pwidth - width + x + 1);
-
- if (y == BMP_ALIGN_CENTER)
- y = max(0, (panel_info.vl_row - height) / 2);
- else if (y < 0)
- y = max(0, panel_info.vl_row - height + y + 1);
+ splash_align_axis(&x, pwidth, width);
+ splash_align_axis(&y, panel_info.vl_row, height);
#endif /* CONFIG_SPLASH_SCREEN_ALIGN */
if ((x + width) > pwidth)
@@ -754,11 +790,7 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
WATCHDOG_RESET();
for (j = 0; j < width; j++) {
if (bpix != 16) {
-#if defined(CONFIG_CPU_PXA) || defined(CONFIG_ATMEL_LCD)
- *(fb++) = *(bmap++);
-#elif defined(CONFIG_MPC823) || defined(CONFIG_MCC200)
- *(fb++) = 255 - *(bmap++);
-#endif
+ FB_PUT_BYTE(fb, bmap);
} else {
*(uint16_t *)fb = cmap_base[*(bmap++)];
fb += sizeof(uint16_t) / sizeof(*fb);
@@ -773,18 +805,9 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
case 16:
for (i = 0; i < height; ++i) {
WATCHDOG_RESET();
- for (j = 0; j < width; j++) {
-#if defined(CONFIG_ATMEL_LCD_BGR555)
- *(fb++) = ((bmap[0] & 0x1f) << 2) |
- (bmap[1] & 0x03);
- *(fb++) = (bmap[0] & 0xe0) |
- ((bmap[1] & 0x7c) >> 2);
- bmap += 2;
-#else
- *(fb++) = *(bmap++);
- *(fb++) = *(bmap++);
-#endif
- }
+ for (j = 0; j < width; j++)
+ fb_put_word(&fb, &bmap);
+
bmap += (padded_line - width) * 2;
fb -= (width * 2 + lcd_line_length);
}
@@ -842,17 +865,7 @@ static void *lcd_logo(void)
}
#endif /* CONFIG_SPLASH_SCREEN_ALIGN */
-#ifdef CONFIG_VIDEO_BMP_GZIP
- bmp_image_t *bmp = (bmp_image_t *)addr;
- unsigned long len;
-
- if (!((bmp->header.signature[0] == 'B') &&
- (bmp->header.signature[1] == 'M'))) {
- addr = (ulong)gunzip_bmp(addr, &len);
- }
-#endif
-
- if (lcd_display_bitmap(addr, x, y) == 0)
+ if (bmp_display(addr, x, y) == 0)
return (void *)lcd_base;
}
#endif /* CONFIG_SPLASH_SCREEN */
generated by cgit v1.1 at 2024-12-21 00:07:44 +0000