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common/lcd_console: introduce display/framebuffer rotation

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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>
This commit is contained in:
Hannes Petermaier
2015-03-27 08:01:38 +01:00
committed by Anatolij Gustschin
parent 7471142cdf
commit 604c7d4a5a
11 changed files with 353 additions and 85 deletions
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28
include/lcd_console.h
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@ -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
*