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authorBastian Ruppert <Bastian.Ruppert@Sewerin.de>2012-09-13 22:29:01 +0000
committerTom Rini <trini@ti.com>2012-10-01 10:02:13 -0700
commit1e681f9ad8dd18aa15319ae4951b8eeaeb70da16 (patch)
treecaebbfb3a78c114e5ec4505b58430f2a6af29d5b /drivers/video/cfb_console.c
parent39e133d1962bd90c136460f0053dcd184feb053c (diff)
video: cfb_console: logo can be positioned via the splashpos variable
Extend the driver for placing the video/bmp logo as specified by "splashpos" environment variable. Signed-off-by: Bastian Ruppert <Bastian.Ruppert@Sewerin.de> Signed-off-by: Anatolij Gustschin <agust@denx.de> CC: Stefano Babic <sbabic@denx.de> Signed-off-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'drivers/video/cfb_console.c')
-rw-r--r--drivers/video/cfb_console.c94
1 files changed, 69 insertions, 25 deletions
diff --git a/drivers/video/cfb_console.c b/drivers/video/cfb_console.c
index 19d061f6cbe..fc4ea7216cb 100644
--- a/drivers/video/cfb_console.c
+++ b/drivers/video/cfb_console.c
@@ -66,7 +66,11 @@
* CONFIG_CONSOLE_TIME - display time/date in upper right
* corner, needs CONFIG_CMD_DATE and
* CONFIG_CONSOLE_CURSOR
- * CONFIG_VIDEO_LOGO - display Linux Logo in upper left corner
+ * CONFIG_VIDEO_LOGO - display Linux Logo in upper left corner.
+ * Use CONFIG_SPLASH_SCREEN_ALIGN with
+ * environment variable "splashpos" to place
+ * the logo on other position. In this case
+ * no CONSOLE_EXTRA_INFO is possible.
* CONFIG_VIDEO_BMP_LOGO - use bmp_logo instead of linux_logo
* CONFIG_CONSOLE_EXTRA_INFO - display additional board information
* strings that normaly goes to serial
@@ -1480,6 +1484,9 @@ int video_display_bitmap(ulong bmp_image, int x, int y)
#ifdef CONFIG_VIDEO_LOGO
+static int video_logo_xpos;
+static int video_logo_ypos;
+
void logo_plot(void *screen, int width, int x, int y)
{
@@ -1488,8 +1495,21 @@ void logo_plot(void *screen, int width, int x, int y)
int ycount = video_logo_height;
unsigned char r, g, b, *logo_red, *logo_blue, *logo_green;
unsigned char *source;
- unsigned char *dest = (unsigned char *) screen +
- ((y * width * VIDEO_PIXEL_SIZE) + x * VIDEO_PIXEL_SIZE);
+ unsigned char *dest;
+
+#ifdef CONFIG_SPLASH_SCREEN_ALIGN
+ if (x == BMP_ALIGN_CENTER)
+ x = max(0, (VIDEO_VISIBLE_COLS - VIDEO_LOGO_WIDTH) / 2);
+ else if (x < 0)
+ x = max(0, VIDEO_VISIBLE_COLS - VIDEO_LOGO_WIDTH + x + 1);
+
+ if (y == BMP_ALIGN_CENTER)
+ y = max(0, (VIDEO_VISIBLE_ROWS - VIDEO_LOGO_HEIGHT) / 2);
+ else if (y < 0)
+ y = max(0, VIDEO_VISIBLE_ROWS - VIDEO_LOGO_HEIGHT + y + 1);
+#endif /* CONFIG_SPLASH_SCREEN_ALIGN */
+
+ dest = (unsigned char *)screen + (y * width + x) * VIDEO_PIXEL_SIZE;
#ifdef CONFIG_VIDEO_BMP_LOGO
source = bmp_logo_bitmap;
@@ -1592,42 +1612,66 @@ static void *video_logo(void)
char info[128];
int space, len;
__maybe_unused int y_off = 0;
+ __maybe_unused ulong addr;
+ __maybe_unused char *s;
-#ifdef CONFIG_SPLASH_SCREEN
- char *s;
- ulong addr;
-
- s = getenv("splashimage");
+#ifdef CONFIG_SPLASH_SCREEN_ALIGN
+ s = getenv("splashpos");
if (s != NULL) {
- int x = 0, y = 0;
+ if (s[0] == 'm')
+ video_logo_xpos = BMP_ALIGN_CENTER;
+ else
+ video_logo_xpos = simple_strtol(s, NULL, 0);
- addr = simple_strtoul(s, NULL, 16);
-#ifdef CONFIG_SPLASH_SCREEN_ALIGN
- s = getenv("splashpos");
+ s = strchr(s + 1, ',');
if (s != NULL) {
- if (s[0] == 'm')
- x = BMP_ALIGN_CENTER;
+ if (s[1] == 'm')
+ video_logo_ypos = BMP_ALIGN_CENTER;
else
- x = simple_strtol(s, NULL, 0);
-
- s = strchr(s + 1, ',');
- if (s != NULL) {
- if (s[1] == 'm')
- y = BMP_ALIGN_CENTER;
- else
- y = simple_strtol(s + 1, NULL, 0);
- }
+ video_logo_ypos = simple_strtol(s + 1, NULL, 0);
}
+ }
#endif /* CONFIG_SPLASH_SCREEN_ALIGN */
- if (video_display_bitmap(addr, x, y) == 0) {
+#ifdef CONFIG_SPLASH_SCREEN
+ s = getenv("splashimage");
+ if (s != NULL) {
+
+ addr = simple_strtoul(s, NULL, 16);
+
+
+ if (video_display_bitmap(addr,
+ video_logo_xpos,
+ video_logo_ypos) == 0) {
video_logo_height = 0;
return ((void *) (video_fb_address));
}
}
#endif /* CONFIG_SPLASH_SCREEN */
- logo_plot(video_fb_address, VIDEO_COLS, 0, 0);
+ logo_plot(video_fb_address, VIDEO_COLS,
+ video_logo_xpos, video_logo_ypos);
+
+#ifdef CONFIG_SPLASH_SCREEN_ALIGN
+ /*
+ * when using splashpos for video_logo, skip any info
+ * output on video console if the logo is not at 0,0
+ */
+ if (video_logo_xpos || video_logo_ypos) {
+ /*
+ * video_logo_height is used in text and cursor offset
+ * calculations. Since the console is below the logo,
+ * we need to adjust the logo height
+ */
+ if (video_logo_ypos == BMP_ALIGN_CENTER)
+ video_logo_height += max(0, (VIDEO_VISIBLE_ROWS - \
+ VIDEO_LOGO_HEIGHT) / 2);
+ else if (video_logo_ypos > 0)
+ video_logo_height += video_logo_ypos;
+
+ return video_fb_address + video_logo_height * VIDEO_LINE_LEN;
+ }
+#endif
sprintf(info, " %s", version_string);