drivers/video/omap/lcd_apollon.c

   1 /*
   2  * File: drivers/video/omap/lcd_apollon.c
   3  *
   4  * LCD panel support for the Samsung OMAP2 Apollon board
   5  *
   6  * Copyright (C) 2005,2006 Samsung Electronics
   7  * Author: Kyungmin Park <kyungmin.park@samsung.com>
   8  *
   9  * Derived from drivers/video/omap/lcd-h4.c
  10  *
  11  * This program is free software; you can redistribute it and/or modify it
  12  * under the terms of the GNU General Public License as published by the
  13  * Free Software Foundation; either version 2 of the License, or (at your
  14  * option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful, but
  17  * WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19  * General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License along
  22  * with this program; if not, write to the Free Software Foundation, Inc.,
  23  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  24  */
  25
  26 #include <linux/module.h>
  27 #include <linux/platform_device.h>
  28
  29 #include <asm/arch/gpio.h>
  30 #include <asm/arch/mux.h>
  31 #include <asm/arch/omapfb.h>
  32
  33 /* #define OMAPFB_DBG 1 */
  34
  35 /* #define USE_35INCH_LCD 1 */
  36
  37 #include "debug.h"
  38
  39 static int apollon_panel_init(struct omapfb_device *fbdev)
  40 {
  41         DBGENTER(1);
  42         DBGLEAVE(1);
  43         return 0;
  44 }
  45
  46 static void apollon_panel_cleanup(void)
  47 {
  48         DBGENTER(1);
  49         DBGLEAVE(1);
  50 }
  51
  52 static int apollon_panel_enable(void)
  53 {
  54
  55         DBGENTER(1);
  56
  57         /* configure LCD PWR_EN */
  58         omap_cfg_reg(M21_242X_GPIO11);
  59
  60         DBGLEAVE(1);
  61         return 0;
  62 }
  63
  64 static void apollon_panel_disable(void)
  65 {
  66         DBGENTER(1);
  67         DBGLEAVE(1);
  68 }
  69
  70 static unsigned long apollon_panel_get_caps(void)
  71 {
  72         return 0;
  73 }
  74
  75 struct lcd_panel apollon_panel = {
  76         .name           = "apollon",
  77         .config         = OMAP_LCDC_PANEL_TFT | OMAP_LCDC_INV_VSYNC |
  78                           OMAP_LCDC_INV_HSYNC,
  79
  80         .bpp            = 16,
  81         .data_lines     = 18,
  82 #ifdef USE_35INCH_LCD
  83         .x_res          = 240,
  84         .y_res          = 320,
  85         .hsw            = 2,
  86         .hfp            = 3,
  87         .hbp            = 9,
  88         .vsw            = 4,
  89         .vfp            = 3,
  90         .vbp            = 5,
  91 #else
  92         .x_res          = 480,
  93         .y_res          = 272,
  94         .hsw            = 41,
  95         .hfp            = 2,
  96         .hbp            = 2,
  97         .vsw            = 10,
  98         .vfp            = 2,
  99         .vbp            = 2,
 100 #endif
 101         .pixel_clock    = 6250,
 102
 103         .init           = apollon_panel_init,
 104         .cleanup        = apollon_panel_cleanup,
 105         .enable         = apollon_panel_enable,
 106         .disable        = apollon_panel_disable,
 107         .get_caps       = apollon_panel_get_caps,
 108 };
 109
 110 static int apollon_panel_probe(struct platform_device *pdev)
 111 {
 112         DBGENTER(1);
 113         omapfb_register_panel(&apollon_panel);
 114         return 0;
 115 }
 116
 117 static int apollon_panel_remove(struct platform_device *pdev)
 118 {
 119         DBGENTER(1);
 120         return 0;
 121 }
 122
 123 static int apollon_panel_suspend(struct platform_device *pdev, pm_message_t mesg)
 124 {
 125         DBGENTER(1);
 126         return 0;
 127 }
 128
 129 static int apollon_panel_resume(struct platform_device *pdev)
 130 {
 131         DBGENTER(1);
 132         return 0;
 133 }
 134
 135 struct platform_driver apollon_panel_driver = {
 136         .probe          = apollon_panel_probe,
 137         .remove         = apollon_panel_remove,
 138         .suspend        = apollon_panel_suspend,
 139         .resume         = apollon_panel_resume,
 140         .driver         = {
 141                 .name   = "apollon_lcd",
 142                 .owner  = THIS_MODULE,
 143         },
 144 };
 145
 146 static int __init apollon_panel_drv_init(void)
 147 {
 148         return platform_driver_register(&apollon_panel_driver);
 149 }
 150
 151 static void __exit apollon_panel_drv_exit(void)
 152 {
 153         platform_driver_unregister(&apollon_panel_driver);
 154 }
 155
 156 module_init(apollon_panel_drv_init);
 157 module_exit(apollon_panel_drv_exit);