drivers/video/omap2/displays/panel-generic.c

   1 /*
   2  * Generic panel support
   3  *
   4  * Copyright (C) 2008 Nokia Corporation
   5  * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License version 2 as published by
   9  * the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14  * more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along with
  17  * this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include <linux/module.h>
  21 #include <linux/delay.h>
  22
  23 #include <mach/display.h>
  24
  25 static int generic_panel_init(struct omap_display *display)
  26 {
  27         return 0;
  28 }
  29
  30 static int generic_panel_enable(struct omap_display *display)
  31 {
  32         int r = 0;
  33
  34         if (display->hw_config.panel_enable)
  35                 r = display->hw_config.panel_enable(display);
  36
  37         return r;
  38 }
  39
  40 static void generic_panel_disable(struct omap_display *display)
  41 {
  42         if (display->hw_config.panel_disable)
  43                 display->hw_config.panel_disable(display);
  44 }
  45
  46 static int generic_panel_suspend(struct omap_display *display)
  47 {
  48         generic_panel_disable(display);
  49         return 0;
  50 }
  51
  52 static int generic_panel_resume(struct omap_display *display)
  53 {
  54         return generic_panel_enable(display);
  55 }
  56
  57 static struct omap_panel generic_panel = {
  58         .owner          = THIS_MODULE,
  59         .name           = "panel-generic",
  60         .init           = generic_panel_init,
  61         .enable         = generic_panel_enable,
  62         .disable        = generic_panel_disable,
  63         .suspend        = generic_panel_suspend,
  64         .resume         = generic_panel_resume,
  65
  66         .timings = {
  67                 /* 640 x 480 @ 60 Hz  Reduced blanking VESA CVT 0.31M3-R */
  68                 .x_res          = 640,
  69                 .y_res          = 480,
  70                 .pixel_clock    = 23500,
  71                 .hfp            = 48,
  72                 .hsw            = 32,
  73                 .hbp            = 80,
  74                 .vfp            = 3,
  75                 .vsw            = 4,
  76                 .vbp            = 7,
  77         },
  78
  79         .config         = OMAP_DSS_LCD_TFT,
  80 };
  81
  82
  83 static int __init generic_panel_drv_init(void)
  84 {
  85         omap_dss_register_panel(&generic_panel);
  86         return 0;
  87 }
  88
  89 static void __exit generic_panel_drv_exit(void)
  90 {
  91         omap_dss_unregister_panel(&generic_panel);
  92 }
  93
  94 module_init(generic_panel_drv_init);
  95 module_exit(generic_panel_drv_exit);
  96 MODULE_LICENSE("GPL");