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api: export LCD device to external apps

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This patch exports LCD info-query and bitmap-rendering functions to
external apps.

This patch is tested on a Seaboard.  Because the LCD driver is not yet
upstreamed, the test was done in a local downstream repo.

Signed-off-by: Che-Liang Chiou <clchiou@chromium.org>
This commit is contained in:
Che-Liang Chiou 2011-10-20 23:04:22 +00:00 • committed by Anatolij Gustschin
parent d3983ee853
commit a2a5729fc1
8 changed files with 210 additions and 1 deletions
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74
api/api_display.c Normal file
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/*
* Copyright (c) 2011 The Chromium OS Authors.
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <api_public.h>
#include <lcd.h>
#include <video_font.h> /* Get font width and height */
/* lcd.h needs BMP_LOGO_HEIGHT to calculate CONSOLE_ROWS */
#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
#include <bmp_logo.h>
#endif
/* TODO(clchiou): add support of video device */
int display_get_info(int type, struct display_info *di)
{
if (!di)
return API_EINVAL;
switch (type) {
default:
debug("%s: unsupport display device type: %d\n",
__FILE__, type);
return API_ENODEV;
#ifdef CONFIG_LCD
case DISPLAY_TYPE_LCD:
di->pixel_width = panel_info.vl_col;
di->pixel_height = panel_info.vl_row;
di->screen_rows = CONSOLE_ROWS;
di->screen_cols = CONSOLE_COLS;
break;
#endif
}
di->type = type;
return 0;
}
int display_draw_bitmap(ulong bitmap, int x, int y)
{
if (!bitmap)
return API_EINVAL;
#ifdef CONFIG_LCD
return lcd_display_bitmap(bitmap, x, y);
#else
return API_ENODEV;
#endif
}
void display_clear(void)
{
#ifdef CONFIG_LCD
lcd_clear();
#endif
}