common/lcd_console: introduce display/framebuffer rotation

Sometimes, for example if the display is mounted in portrait mode or even if it
is mounted landscape but rotated by 180 degrees, we need to rotate our content
of the display respectively the framebuffer, so that user can read the messages
which are printed out.

For this we introduce the feature called "CONFIG_LCD_ROTATION", this may be
defined in the board-configuration if needed. After this the lcd_console will
be initialized with a given rotation from "vl_rot" out of "vidinfo_t" which is
provided by the board specific code.

If CONFIG_LCD_ROTATION is not defined, the console will be initialized with
0 degrees rotation.

Signed-off-by: Hannes Petermaier <hannes.petermaier@br-automation.com>
Signed-off-by: Hannes Petermaier <oe5hpm@oevsv.at>
Acked-by: Nikita Kiryanov <nikita@compulab.co.il>
[agust: fixed 'struct vidinfo' has no member named 'vl_rot' errors]
Signed-off-by: Anatolij Gustschin <agust@denx.de>

6 files changed, 38 insertions, 5 deletions

diff --git a/include/atmel_lcd.h b/include/atmel_lcd.h
index fa8aa29454..6993128b1b 100644
--- a/include/atmel_lcd.h
+++ b/include/atmel_lcd.h
@@ -13,7 +13,8 @@
 typedef struct vidinfo {
 	ushort vl_col;		/* Number of columns (i.e. 640) */
 	ushort vl_row;		/* Number of rows (i.e. 480) */
-	u_long vl_clk;	/* pixel clock in ps    */
+	ushort vl_rot;		/* Rotation of Display (0, 1, 2, 3) */
+	u_long vl_clk;		/* pixel clock in ps    */
 
 	/* LCD configuration register */
 	u_long vl_sync;		/* Horizontal / vertical sync */
diff --git a/include/exynos_lcd.h b/include/exynos_lcd.h
index cf389dac69..3969a6a066 100644
--- a/include/exynos_lcd.h
+++ b/include/exynos_lcd.h
@@ -25,6 +25,7 @@ enum exynos_fb_rgb_mode_t {
 typedef struct vidinfo {
 	ushort vl_col;		/* Number of columns (i.e. 640) */
 	ushort vl_row;		/* Number of rows (i.e. 480) */
+	ushort vl_rot;		/* Rotation of Display (0, 1, 2, 3) */
 	ushort vl_width;	/* Width of display area in millimeters */
 	ushort vl_height;	/* Height of display area in millimeters */
 
diff --git a/include/lcd.h b/include/lcd.h
index f049fd3489..59202b7e59 100644
--- a/include/lcd.h
+++ b/include/lcd.h
@@ -51,6 +51,7 @@ void lcd_set_flush_dcache(int flush);
 typedef struct vidinfo {
 	ushort	vl_col;		/* Number of columns (i.e. 160) */
 	ushort	vl_row;		/* Number of rows (i.e. 100) */
+	ushort	vl_rot;		/* Rotation of Display (0, 1, 2, 3) */
 	u_char	vl_bpix;	/* Bits per pixel, 0 = 1 */
 	ushort	*cmap;		/* Pointer to the colormap */
 	void	*priv;		/* Pointer to driver-specific data */
@@ -196,6 +197,14 @@ void lcd_sync(void);
 #define CONSOLE_COLOR_WHITE	0xffff		/* Must remain last / highest */
 #endif /* color definitions */
 
+#if LCD_BPP == LCD_COLOR16
+#define fbptr_t ushort
+#elif LCD_BPP == LCD_COLOR32
+#define fbptr_t u32
+#else
+#define fbptr_t uchar
+#endif
+
 #ifndef PAGE_SIZE
 #define PAGE_SIZE	4096
 #endif
diff --git a/include/lcd_console.h b/include/lcd_console.h
index 429214df80..2e0f56f990 100644
--- a/include/lcd_console.h
+++ b/include/lcd_console.h
@@ -9,6 +9,26 @@
 #define CONFIG_CONSOLE_SCROLL_LINES 1
 #endif
 
+struct console_t {
+	short curr_col, curr_row;
+	short cols, rows;
+	void *fbbase;
+	u32 lcdsizex, lcdsizey, lcdrot;
+	void (*fp_putc_xy)(struct console_t *pcons, ushort x, ushort y, char c);
+	void (*fp_console_moverow)(struct console_t *pcons,
+				   u32 rowdst, u32 rowsrc);
+	void (*fp_console_setrow)(struct console_t *pcons, u32 row, int clr);
+};
+
+/**
+ * console_calc_rowcol() - calculate available rows / columns wihtin a given
+ * screen-size based on used VIDEO_FONT.
+ *
+ * @pcons: Pointer to struct console_t
+ * @sizex: size X of the screen in pixel
+ * @sizey: size Y of the screen in pixel
+ */
+void console_calc_rowcol(struct console_t *pcons, u32 sizex, u32 sizey);
 /**
  * lcd_init_console() - Initialize lcd console parameters
  *
@@ -16,11 +36,11 @@
  * console has.
  *
  * @address: Console base address
- * @rows: Number of rows in the console
- * @cols: Number of columns in the console
+ * @vl_rows: Number of rows in the console
+ * @vl_cols: Number of columns in the console
+ * @vl_rot: Rotation of display in degree (0 - 90 - 180 - 270) counterlockwise
  */
-void lcd_init_console(void *address, int rows, int cols);
-
+void lcd_init_console(void *address, int vl_cols, int vl_rows, int vl_rot);
 /**
  * lcd_set_col() - Set the number of the current lcd console column
  *
diff --git a/include/mpc823_lcd.h b/include/mpc823_lcd.h
index 7e210e3296..cc72cde13f 100644
--- a/include/mpc823_lcd.h
+++ b/include/mpc823_lcd.h
@@ -16,6 +16,7 @@
 typedef struct vidinfo {
 	ushort	vl_col;		/* Number of columns (i.e. 640) */
 	ushort	vl_row;		/* Number of rows (i.e. 480) */
+	ushort  vl_rot;		/* Rotation of Display (0, 1, 2, 3) */
 	ushort	vl_width;	/* Width of display area in millimeters */
 	ushort	vl_height;	/* Height of display area in millimeters */
 
diff --git a/include/pxa_lcd.h b/include/pxa_lcd.h
index 723f6ab766..1ea3717bf7 100644
--- a/include/pxa_lcd.h
+++ b/include/pxa_lcd.h
@@ -48,6 +48,7 @@ struct pxafb_info {
 typedef struct vidinfo {
 	ushort	vl_col;		/* Number of columns (i.e. 640) */
 	ushort	vl_row;		/* Number of rows (i.e. 480) */
+	ushort  vl_rot;		/* Rotation of Display (0, 1, 2, 3) */
 	ushort	vl_width;	/* Width of display area in millimeters */
 	ushort	vl_height;	/* Height of display area in millimeters */