recipes/linux/linux-omap-psp-2.6.32/0028-OMAP-DSS2-Re-add-support-for-Samsung-lte430wq-f0c-pa.patch

   1 From 7bf370db8ac5fa45290c3116c9f02271d9b40f2f Mon Sep 17 00:00:00 2001
   2 From: Koen Kooi <koen@dominion.thruhere.net>
   3 Date: Mon, 15 Feb 2010 14:38:00 +0100
   4 Subject: [PATCH 28/42] OMAP: DSS2: (Re)add support for Samsung lte430wq-f0c panel
   5
   6 ---
   7  drivers/video/omap2/displays/Kconfig               |    6 +
   8  drivers/video/omap2/displays/Makefile              |    1 +
   9  .../omap2/displays/panel-samsung-lte430wq-f0c.c    |  113 ++++++++++++++++++++
  10  3 files changed, 120 insertions(+), 0 deletions(-)
  11  create mode 100644 drivers/video/omap2/displays/panel-samsung-lte430wq-f0c.c
  12
  13 diff --git a/drivers/video/omap2/displays/Kconfig b/drivers/video/omap2/displays/Kconfig
  14 index 4ce47dd..4229a28 100644
  15 --- a/drivers/video/omap2/displays/Kconfig
  16 +++ b/drivers/video/omap2/displays/Kconfig
  17 @@ -7,6 +7,12 @@ config PANEL_GENERIC
  18           Generic panel driver.
  19           Used for DVI output for Beagle and OMAP3 SDP.
  20
  21 +config PANEL_SAMSUNG_LTE430WQ_F0C
  22 +        tristate "Samsung LTE430WQ-F0C LCD Panel"
  23 +        depends on OMAP2_DSS
  24 +        help
  25 +          LCD Panel used on Overo Palo43
  26 +
  27  config PANEL_SHARP_LS037V7DW01
  28          tristate "Sharp LS037V7DW01 LCD Panel"
  29          depends on OMAP2_DSS
  30 diff --git a/drivers/video/omap2/displays/Makefile b/drivers/video/omap2/displays/Makefile
  31 index 8f3d0ad..9317445 100644
  32 --- a/drivers/video/omap2/displays/Makefile
  33 +++ b/drivers/video/omap2/displays/Makefile
  34 @@ -1,4 +1,5 @@
  35  obj-$(CONFIG_PANEL_GENERIC) += panel-generic.o
  36 +obj-$(CONFIG_PANEL_SAMSUNG_LTE430WQ_F0C) += panel-samsung-lte430wq-f0c.o
  37  obj-$(CONFIG_PANEL_SHARP_LS037V7DW01) += panel-sharp-ls037v7dw01.o
  38  obj-$(CONFIG_PANEL_SHARP_LQ043T1DG01) += panel-sharp-lq043t1dg01.o
  39
  40 diff --git a/drivers/video/omap2/displays/panel-samsung-lte430wq-f0c.c b/drivers/video/omap2/displays/panel-samsung-lte430wq-f0c.c
  41 new file mode 100644
  42 index 0000000..3f0477e
  43 --- /dev/null
  44 +++ b/drivers/video/omap2/displays/panel-samsung-lte430wq-f0c.c
  45 @@ -0,0 +1,113 @@
  46 +/*
  47 + * LCD panel driver for Samsung LTE430WQ-F0C
  48 + *
  49 + * Author: Steve Sakoman <steve@sakoman.com>
  50 + *
  51 + * This program is free software; you can redistribute it and/or modify it
  52 + * under the terms of the GNU General Public License version 2 as published by
  53 + * the Free Software Foundation.
  54 + *
  55 + * This program is distributed in the hope that it will be useful, but WITHOUT
  56 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  57 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  58 + * more details.
  59 + *
  60 + * You should have received a copy of the GNU General Public License along with
  61 + * this program.  If not, see <http://www.gnu.org/licenses/>.
  62 + */
  63 +
  64 +#include <linux/module.h>
  65 +#include <linux/delay.h>
  66 +
  67 +#include <plat/display.h>
  68 +
  69 +static struct omap_video_timings samsung_lte_timings = {
  70 +       .x_res = 480,
  71 +       .y_res = 272,
  72 +
  73 +       .pixel_clock    = 9200,
  74 +
  75 +       .hsw            = 41,
  76 +       .hfp            = 8,
  77 +       .hbp            = 45-41,
  78 +
  79 +       .vsw            = 10,
  80 +       .vfp            = 4,
  81 +       .vbp            = 12-10,
  82 +};
  83 +
  84 +static int samsung_lte_panel_probe(struct omap_dss_device *dssdev)
  85 +{
  86 +       dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
  87 +               OMAP_DSS_LCD_IHS;
  88 +       dssdev->panel.timings = samsung_lte_timings;
  89 +
  90 +       return 0;
  91 +}
  92 +
  93 +static void samsung_lte_panel_remove(struct omap_dss_device *dssdev)
  94 +{
  95 +}
  96 +
  97 +static int samsung_lte_panel_enable(struct omap_dss_device *dssdev)
  98 +{
  99 +       int r = 0;
 100 +
 101 +       /* wait couple of vsyncs until enabling the LCD */
 102 +       msleep(50);
 103 +
 104 +       if (dssdev->platform_enable)
 105 +               r = dssdev->platform_enable(dssdev);
 106 +
 107 +       return r;
 108 +}
 109 +
 110 +static void samsung_lte_panel_disable(struct omap_dss_device *dssdev)
 111 +{
 112 +       if (dssdev->platform_disable)
 113 +               dssdev->platform_disable(dssdev);
 114 +
 115 +       /* wait at least 5 vsyncs after disabling the LCD */
 116 +
 117 +       msleep(100);
 118 +}
 119 +
 120 +static int samsung_lte_panel_suspend(struct omap_dss_device *dssdev)
 121 +{
 122 +       samsung_lte_panel_disable(dssdev);
 123 +       return 0;
 124 +}
 125 +
 126 +static int samsung_lte_panel_resume(struct omap_dss_device *dssdev)
 127 +{
 128 +       return samsung_lte_panel_enable(dssdev);
 129 +}
 130 +
 131 +static struct omap_dss_driver samsung_lte_driver = {
 132 +       .probe          = samsung_lte_panel_probe,
 133 +       .remove         = samsung_lte_panel_remove,
 134 +
 135 +       .enable         = samsung_lte_panel_enable,
 136 +       .disable        = samsung_lte_panel_disable,
 137 +       .suspend        = samsung_lte_panel_suspend,
 138 +       .resume         = samsung_lte_panel_resume,
 139 +
 140 +       .driver         = {
 141 +               .name   = "samsung_lte_panel",
 142 +               .owner  = THIS_MODULE,
 143 +       },
 144 +};
 145 +
 146 +static int __init samsung_lte_panel_drv_init(void)
 147 +{
 148 +       return omap_dss_register_driver(&samsung_lte_driver);
 149 +}
 150 +
 151 +static void __exit samsung_lte_panel_drv_exit(void)
 152 +{
 153 +       omap_dss_unregister_driver(&samsung_lte_driver);
 154 +}
 155 +
 156 +module_init(samsung_lte_panel_drv_init);
 157 +module_exit(samsung_lte_panel_drv_exit);
 158 +MODULE_LICENSE("GPL");
 159 --
 160 1.6.6.1
 161