[U-Boot] [PATCH V4 1/3] lcd: add clear and draw bitmap declaration

Che-Liang Chiou clchiou at chromium.org
Thu Oct 20 07:38:44 CEST 2011


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>
---

Changes in V4
  Remove support of video device, which is untested and will leave to
  future work

Changes in V3
  Rebase to ToT

Changes in V2
  Fix style errors

 common/lcd.c  |   16 ++++++++++------
 include/lcd.h |    2 ++
 2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/common/lcd.c b/common/lcd.c
index d9cb8ca..20e97b9 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 +352,14 @@ 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 +400,10 @@ 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 +417,7 @@ 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..39af14a 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);
-- 
1.7.3.1



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