drivers/video/omap/lcd_palmtt.c

   1 /*
   2  * File: drivers/video/omap/lcd_palmtt.c
   3  *
   4  * LCD panel support for Palm Tungsten|T
   5  * Current version : Marek Vasut <marek.vasut@gmail.com>
   6  *
   7  * Modified from lcd_inn1510.c
   8  *
   9  * This program is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU General Public License as published by the
  11  * Free Software Foundation; either version 2 of the License, or (at your
  12  * option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful, but
  15  * WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; if not, write to the Free Software Foundation, Inc.,
  21  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22  */
  23
  24 /*
  25 GPIO11 - backlight
  26 GPIO12 - screen blanking
  27 GPIO13 - screen blanking
  28 */
  29
  30 #include <linux/platform_device.h>
  31 #include <linux/module.h>
  32
  33 #include <asm/io.h>
  34
  35 #include <asm/arch/gpio.h>
  36 #include "asm/arch/omapfb.h"
  37
  38 static int palmtt_panel_init(struct lcd_panel *panel,
  39         struct omapfb_device *fbdev)
  40 {
  41         return 0;
  42 }
  43
  44 static void palmtt_panel_cleanup(struct lcd_panel *panel)
  45 {
  46 }
  47
  48 static int palmtt_panel_enable(struct lcd_panel *panel)
  49 {
  50         return 0;
  51 }
  52
  53 static void palmtt_panel_disable(struct lcd_panel *panel)
  54 {
  55 }
  56
  57 static unsigned long palmtt_panel_get_caps(struct lcd_panel *panel)
  58 {
  59         return OMAPFB_CAPS_SET_BACKLIGHT;
  60 }
  61
  62 struct lcd_panel palmtt_panel = {
  63         .name           = "palmtt",
  64         .config         = OMAP_LCDC_PANEL_TFT | OMAP_LCDC_INV_VSYNC |
  65                         OMAP_LCDC_INV_HSYNC | OMAP_LCDC_HSVS_RISING_EDGE |
  66                         OMAP_LCDC_HSVS_OPPOSITE,
  67         .bpp            = 16,
  68         .data_lines     = 16,
  69         .x_res          = 320,
  70         .y_res          = 320,
  71         .pixel_clock    = 10000,
  72         .hsw            = 4,
  73         .hfp            = 8,
  74         .hbp            = 28,
  75         .vsw            = 1,
  76         .vfp            = 8,
  77         .vbp            = 7,
  78         .pcd            = 0,
  79
  80         .init= palmtt_panel_init,
  81         .cleanup        = palmtt_panel_cleanup,
  82         .enable= palmtt_panel_enable,
  83         .disable        = palmtt_panel_disable,
  84         .get_caps       = palmtt_panel_get_caps,
  85 };
  86
  87 static int palmtt_panel_probe(struct platform_device *pdev)
  88 {
  89         omapfb_register_panel(&palmtt_panel);
  90         return 0;
  91 }
  92
  93 static int palmtt_panel_remove(struct platform_device *pdev)
  94 {
  95         return 0;
  96 }
  97
  98 static int palmtt_panel_suspend(struct platform_device *pdev, pm_message_t mesg)
  99 {
 100         return 0;
 101 }
 102
 103 static int palmtt_panel_resume(struct platform_device *pdev)
 104 {
 105         return 0;
 106 }
 107
 108 struct platform_driver palmtt_panel_driver = {
 109         .probe          = palmtt_panel_probe,
 110         .remove         = palmtt_panel_remove,
 111         .suspend        = palmtt_panel_suspend,
 112         .resume         = palmtt_panel_resume,
 113         .driver         = {
 114                 .name   = "lcd_palmtt",
 115                 .owner  = THIS_MODULE,
 116         },
 117 };
 118
 119 static int palmtt_panel_drv_init(void)
 120 {
 121         return platform_driver_register(&palmtt_panel_driver);
 122 }
 123
 124 static void palmtt_panel_drv_cleanup(void)
 125 {
 126         platform_driver_unregister(&palmtt_panel_driver);
 127 }
 128
 129 module_init(palmtt_panel_drv_init);
 130 module_exit(palmtt_panel_drv_cleanup);