drivers/video/omap/lcd_h6300.c

   1 /*
   2  * File: drivers/video/omap_new/lcd-h6300.c
   3  *
   4  * LCD panel support for the TI OMAP1510 based iPAQ h63xx series of mobile phones.
   5  * (h6315, h6340 and h6365)
   6  *
   7  * Copyright (C) 2009 Mika Laitio
   8  * Copyright (C) 2009 Husam Senussi
   9  *
  10  * This program is free software; you can redistribute it and/or modify it
  11  * under the terms of the GNU General Public License as published by the
  12  * Free Software Foundation; either version 2 of the License, or (at your
  13  * option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful, but
  16  * WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License along
  21  * with this program; if not, write to the Free Software Foundation, Inc.,
  22  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  23  */
  24
  25 #include <linux/module.h>
  26 #include <linux/platform_device.h>
  27 #include <asm/io.h>
  28
  29 #include <asm/arch/omapfb.h>
  30
  31 /* #define OMAPFB_DBG 1 */
  32
  33 #include "debug.h"
  34
  35 //static struct clk *h6300_lcd_ck;
  36
  37 static int h6300_panel_init(struct omapfb_device *fbdev)
  38 {
  39         DBGENTER(1);
  40 /*
  41         if ((h6300_lcd_ck = clk_get (NULL, "lcd_ck")) == NULL) {
  42                 printk(KERN_ERR "Unable to get the clock LCD_CK!!!\n");
  43                 return -EPERM;
  44         } clk_enable(h6300_lcd_ck);
  45 */
  46         DBGLEAVE(1);
  47         printk(KERN_INFO "lcd_h6300.c: h6300_panel_init() done\n");
  48         return 0;
  49 }
  50
  51 static void h6300_panel_cleanup(void)
  52 {
  53         DBGENTER(1);
  54 /*
  55         if (h6300_lcd_ck) {
  56                 clk_disable(h6300_lcd_ck);
  57                 clk_put(h6300_lcd_ck);
  58                 h6300_lcd_ck = NULL;
  59         }
  60 */
  61         DBGLEAVE(1);
  62         printk(KERN_INFO "lcd_h6300.c: h6300_panel_cleanup() done\n");
  63 }
  64
  65 static int h6300_panel_enable(void)
  66 {
  67         DBGENTER(1);
  68         DBGLEAVE(1);
  69         printk(KERN_INFO "lcd_h6300.c: h6300_panel_enable() done\n");
  70         return 0;
  71 }
  72
  73 static void h6300_panel_disable(void)
  74 {
  75         DBGENTER(1);
  76         DBGLEAVE(1);
  77         printk(KERN_INFO "lcd_h6300.c: h6300_panel_disable() done\n");
  78 }
  79
  80 static unsigned long h6300_panel_get_caps(void)
  81 {
  82         printk(KERN_INFO "lcd_h6300.c: h6300_panel_get_caps() called\n");
  83         return 0;
  84 }
  85
  86 struct lcd_panel h6300_panel = {
  87         .name           = "h6300",
  88         .config         = OMAP_LCDC_PANEL_TFT,
  89
  90         .bpp            = 16,
  91         .data_lines     = 16,
  92         .x_res          = 240,
  93         .y_res          = 320,
  94         .pixel_clock    = 21000,
  95         .hsw            = 12,
  96         .hfp            = 10,
  97         .hbp            = 10,
  98         .vsw            = 3,
  99         .vfp            = 10,
 100         .vbp            = 3,
 101         .pcd            = 0,
 102
 103         .init           = h6300_panel_init,
 104         .cleanup        = h6300_panel_cleanup,
 105         .enable         = h6300_panel_enable,
 106         .disable        = h6300_panel_disable,
 107         .get_caps       = h6300_panel_get_caps,
 108 };
 109
 110 static int h6300_panel_probe(struct platform_device *pdev)
 111 {
 112         DBGENTER(1);
 113         omapfb_register_panel(&h6300_panel);
 114         return 0;
 115 }
 116
 117 static int h6300_panel_remove(struct platform_device *pdev)
 118 {
 119         DBGENTER(1);
 120         return 0;
 121 }
 122
 123 static int h6300_panel_suspend(struct platform_device *pdev, pm_message_t mesg)
 124 {
 125         DBGENTER(1);
 126         return 0;
 127 }
 128
 129 static int h6300_panel_resume(struct platform_device *pdev)
 130 {
 131         DBGENTER(1);
 132         return 0;
 133 }
 134
 135 struct platform_driver h6300_panel_driver = {
 136         .probe          = h6300_panel_probe,
 137         .remove         = h6300_panel_remove,
 138         .suspend        = h6300_panel_suspend,
 139         .resume         = h6300_panel_resume,
 140         .driver         = {
 141                 .name   = "lcd_h6300",
 142                 .owner  = THIS_MODULE,
 143         },
 144 };
 145
 146 static int h6300_panel_drv_init(void)
 147 {
 148         return platform_driver_register(&h6300_panel_driver);
 149 }
 150
 151 static void h6300_panel_drv_cleanup(void)
 152 {
 153         platform_driver_unregister(&h6300_panel_driver);
 154 }
 155
 156 module_init(h6300_panel_drv_init);
 157 module_exit(h6300_panel_drv_cleanup);