[U-Boot] [PATCH 1/2] lcd: video: add clear and draw bitmap declaration

[Che-Liang Chiou]

The functions for clearing and drawing bitmaps on the screen were not
exposed publicly and are made public in this patch in preparation for
implementing the display interface of api_public.h.

Signed-off-by: Che-Liang Chiou <clchiou at chromium.org>
---
 common/lcd.c    |   15 +++++++++------
 include/lcd.h   |    2 ++
 include/video.h |    2 ++
 3 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/common/lcd.c b/common/lcd.c
index d9cb8ca..d6e3188 100644
--- a/common/lcd.c
+++ b/common/lcd.c
@@ -78,7 +78,6 @@ static inline void lcd_putc_xy (ushort x, ushort y, uchar  c);
 
 static int lcd_init (void *lcdbase);
 
-static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]);
 static void *lcd_logo (void);
 
 static int lcd_getbgcolor (void);
@@ -353,7 +352,13 @@ int drv_lcd_init (void)
 }
 
 /*----------------------------------------------------------------------*/
-static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+static int do_lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+{
+	lcd_clear();
+	return 0;
+}
+
+void lcd_clear (void)
 {
 #if LCD_BPP == LCD_MONOCHROME
 	/* Setting the palette */
@@ -394,12 +399,10 @@ static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]
 
 	console_col = 0;
 	console_row = 0;
-
-	return (0);
 }
 
 U_BOOT_CMD(
-	cls,	1,	1,	lcd_clear,
+	cls,	1,	1,	do_lcd_clear,
 	"clear screen",
 	""
 );
@@ -413,7 +416,7 @@ static int lcd_init (void *lcdbase)
 
 	lcd_ctrl_init (lcdbase);
 	lcd_is_enabled = 1;
-	lcd_clear (NULL, 1, 1, NULL);	/* dummy args */
+	lcd_clear ();
 	lcd_enable ();
 
 	/* Initialize the console */
diff --git a/include/lcd.h b/include/lcd.h
index 0e098d9..fba4ec2 100644
--- a/include/lcd.h
+++ b/include/lcd.h
@@ -210,6 +210,8 @@ void	lcd_disable	(void);
 void	lcd_putc	(const char c);
 void	lcd_puts	(const char *s);
 void	lcd_printf	(const char *fmt, ...);
+void	lcd_clear	(void);
+int	lcd_display_bitmap(ulong bmp_image, int x, int y);
 
 /* Allow boards to customize the information displayed */
 void lcd_show_board_info(void);
diff --git a/include/video.h b/include/video.h
index efcc682..6cd6f72 100644
--- a/include/video.h
+++ b/include/video.h
@@ -15,5 +15,7 @@ int	video_init	(void *videobase);
 void	video_putc	(const char c);
 void	video_puts	(const char *s);
 void	video_printf	(const char *fmt, ...);
+void	video_clear	(void);
+int	video_display_bitmap(ulong bmp_image, int x, int y);
 
 #endif
-- 
1.7.3.1