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authorStefan Reinauer <reinauer@chromium.org>2012-09-28 15:11:11 +0000
committerAnatolij Gustschin <agust@denx.de>2012-11-06 22:57:32 +0100
commitf674f7cfc019baaa6bf961cd4ed8b4aee4362f97 (patch)
tree0fbeccb551d54e6489f9f121a0a9c709df5c19c5 /include
parent945d069fb5c8932e74aeba178c60a9dc6e9cba93 (diff)
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video: Provide an API to access video parameters
Create a basic API to provide access to video parameters such as screen size, and to position the cursor on the screen. Also add a prototype for video_display_bitmap() which was missing. Signed-off-by: Stefan Reinauer <reinauer@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Anatolij Gustschin <agust@denx.de>
Diffstat (limited to 'include')
-rw-r--r--include/video.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/include/video.h b/include/video.h
index 9519cea..f7e27f8 100644
--- a/include/video.h
+++ b/include/video.h
@@ -15,4 +15,52 @@ int video_init (void *videobase);
void video_putc (const char c);
void video_puts (const char *s);
+/**
+ * Display a BMP format bitmap on the screen
+ *
+ * @param bmp_image Address of BMP image
+ * @param x X position to draw image
+ * @param y Y position to draw image
+ */
+int video_display_bitmap(ulong bmp_image, int x, int y);
+
+/**
+ * Get the width of the screen in pixels
+ *
+ * @return width of screen in pixels
+ */
+int video_get_pixel_width(void);
+
+/**
+ * Get the height of the screen in pixels
+ *
+ * @return height of screen in pixels
+ */
+int video_get_pixel_height(void);
+
+/**
+ * Get the number of text lines/rows on the screen
+ *
+ * @return number of rows
+ */
+int video_get_screen_rows(void);
+
+/**
+ * Get the number of text columns on the screen
+ *
+ * @return number of columns
+ */
+int video_get_screen_columns(void);
+
+/**
+ * Set the position of the text cursor
+ *
+ * @param col Column to place cursor (0 = left side)
+ * @param row Row to place cursor (0 = top line)
+ */
+void video_position_cursor(unsigned col, unsigned row);
+
+/* Clear the display */
+void video_clear(void);
+
#endif