api/api_display.c

   1 /*
   2  * Copyright (c) 2011 The Chromium OS Authors.
   3  * See file CREDITS for list of people who contributed to this
   4  * project.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of
   9  * the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  19  * MA 02111-1307 USA
  20  */
  21
  22 #include <common.h>
  23 #include <api_public.h>
  24 #include <lcd.h>
  25 #include <video_font.h> /* Get font width and height */
  26
  27 /* lcd.h needs BMP_LOGO_HEIGHT to calculate CONSOLE_ROWS */
  28 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
  29 #include <bmp_logo.h>
  30 #endif
  31
  32 /* TODO(clchiou): add support of video device */
  33
  34 int display_get_info(int type, struct display_info *di)
  35 {
  36         if (!di)
  37                 return API_EINVAL;
  38
  39         switch (type) {
  40         default:
  41                 debug("%s: unsupport display device type: %d\n",
  42                                 __FILE__, type);
  43                 return API_ENODEV;
  44 #ifdef CONFIG_LCD
  45         case DISPLAY_TYPE_LCD:
  46                 di->pixel_width  = panel_info.vl_col;
  47                 di->pixel_height = panel_info.vl_row;
  48                 di->screen_rows = lcd_get_screen_rows();
  49                 di->screen_cols = lcd_get_screen_columns();
  50                 break;
  51 #endif
  52         }
  53
  54         di->type = type;
  55         return 0;
  56 }
  57
  58 int display_draw_bitmap(ulong bitmap, int x, int y)
  59 {
  60         if (!bitmap)
  61                 return API_EINVAL;
  62 #ifdef CONFIG_LCD
  63         return lcd_display_bitmap(bitmap, x, y);
  64 #else
  65         return API_ENODEV;
  66 #endif
  67 }
  68
  69 void display_clear(void)
  70 {
  71 #ifdef CONFIG_LCD
  72         lcd_clear();
  73 #endif
  74 }