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 <linux/io.h>
  28
  29 #include <mach/fpga.h>
  30 #include <mach/omapfb.h>
  31
  32 /* #define OMAPFB_DBG 1 */
  33
  34 //static struct clk *h6300_lcd_ck;
  35
  36 static int h6300_panel_init(struct omapfb_device *fbdev)
  37 {
  38 /*
  39         if ((h6300_lcd_ck = clk_get (NULL, "lcd_ck")) == NULL) {
  40                 printk(KERN_ERR "Unable to get the clock LCD_CK!!!\n");
  41                 return -EPERM;
  42         } clk_enable(h6300_lcd_ck);
  43 */
  44         printk(KERN_INFO "lcd_h6300.c: h6300_panel_init() done\n");
  45         return 0;
  46 }
  47
  48 static void h6300_panel_cleanup(void)
  49 {
  50 /*
  51         if (h6300_lcd_ck) {
  52                 clk_disable(h6300_lcd_ck);
  53                 clk_put(h6300_lcd_ck);
  54                 h6300_lcd_ck = NULL;
  55         }
  56 */
  57         printk(KERN_INFO "lcd_h6300.c: h6300_panel_cleanup() done\n");
  58 }
  59
  60 static int h6300_panel_enable(void)
  61 {
  62         printk(KERN_INFO "lcd_h6300.c: h6300_panel_enable() done\n");
  63         return 0;
  64 }
  65
  66 static void h6300_panel_disable(void)
  67 {
  68         printk(KERN_INFO "lcd_h6300.c: h6300_panel_disable() done\n");
  69 }
  70
  71 static unsigned long h6300_panel_get_caps(void)
  72 {
  73         printk(KERN_INFO "lcd_h6300.c: h6300_panel_get_caps() called\n");
  74         return 0;
  75 }
  76
  77 struct lcd_panel h6300_panel = {
  78         .name           = "h6300",
  79         .config         = OMAP_LCDC_PANEL_TFT,
  80
  81         .bpp            = 16,
  82         .data_lines     = 16,
  83         .x_res          = 240,
  84         .y_res          = 320,
  85         .pixel_clock    = 21000,
  86         .hsw            = 12,
  87         .hfp            = 10,
  88         .hbp            = 10,
  89         .vsw            = 3,
  90         .vfp            = 10,
  91         .vbp            = 3,
  92         .pcd            = 0,
  93
  94         .init           = h6300_panel_init,
  95         .cleanup        = h6300_panel_cleanup,
  96         .enable         = h6300_panel_enable,
  97         .disable        = h6300_panel_disable,
  98         .get_caps       = h6300_panel_get_caps,
  99 };
 100
 101 static int h6300_panel_probe(struct platform_device *pdev)
 102 {
 103         omapfb_register_panel(&h6300_panel);
 104         return 0;
 105 }
 106
 107 static int h6300_panel_remove(struct platform_device *pdev)
 108 {
 109         return 0;
 110 }
 111
 112 static int h6300_panel_suspend(struct platform_device *pdev, pm_message_t mesg)
 113 {
 114         return 0;
 115 }
 116
 117 static int h6300_panel_resume(struct platform_device *pdev)
 118 {
 119         return 0;
 120 }
 121
 122 struct platform_driver h6300_panel_driver = {
 123         .probe          = h6300_panel_probe,
 124         .remove         = h6300_panel_remove,
 125         .suspend        = h6300_panel_suspend,
 126         .resume         = h6300_panel_resume,
 127         .driver         = {
 128                 .name   = "lcd_h6300",
 129                 .owner  = THIS_MODULE,
 130         },
 131 };
 132
 133 static int h6300_panel_drv_init(void)
 134 {
 135         return platform_driver_register(&h6300_panel_driver);
 136 }
 137
 138 static void h6300_panel_drv_cleanup(void)
 139 {
 140         platform_driver_unregister(&h6300_panel_driver);
 141 }
 142
 143 module_init(h6300_panel_drv_init);
 144 module_exit(h6300_panel_drv_cleanup);