Pandora Sourcecodes - openembedded.git/blob

   1 From 75b8dbeed8f53ffb7edc58b2393084fe2346477e Mon Sep 17 00:00:00 2001
   2 From: Koen Kooi <koen@openembedded.org>
   3 Date: Fri, 9 May 2008 20:54:00 +0200
   4 Subject: [PATCH] omap3beagle: add driver to turn on the TFP410 framer to get DVI output
   5
   6 Signed-off-by: Koen Kooi <koen@openembedded.org>
   7 ---
   8  arch/arm/mach-omap2/board-omap3beagle.c |   11 +++
   9  drivers/video/omap/Makefile             |    1 +
  10  drivers/video/omap/lcd_omap3beagle.c    |  135 +++++++++++++++++++++++++++++++
  11  3 files changed, 147 insertions(+), 0 deletions(-)
  12  create mode 100644 drivers/video/omap/lcd_omap3beagle.c
  13
  14 diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
  15 index 0c0cbfc..c992cc7 100644
  16 --- a/arch/arm/mach-omap2/board-omap3beagle.c
  17 +++ b/arch/arm/mach-omap2/board-omap3beagle.c
  18 @@ -63,12 +63,23 @@ static struct platform_device omap3_beagle_twl4030rtc_device = {
  19         .id             = -1,
  20  };
  21
  22 +static struct platform_device omap3_beagle_lcd_device = {
  23 +       .name           = "omap3beagle_lcd",
  24 +       .id             = -1,
  25 +};
  26 +
  27 +static struct omap_lcd_config omap3_beagle_lcd_config __initdata = {
  28 +       .ctrl_name      = "internal",
  29 +};
  30 +
  31  static struct omap_board_config_kernel omap3_beagle_config[] __initdata = {
  32         { OMAP_TAG_UART,        &omap3_beagle_uart_config },
  33         { OMAP_TAG_MMC,         &omap3beagle_mmc_config },
  34 +       { OMAP_TAG_LCD,         &omap3_beagle_lcd_config },
  35  };
  36
  37  static struct platform_device *omap3_beagle_devices[] __initdata = {
  38 +       &omap3_beagle_lcd_device,
  39  #ifdef CONFIG_RTC_DRV_TWL4030
  40         &omap3_beagle_twl4030rtc_device,
  41  #endif
  42 diff --git a/drivers/video/omap/Makefile b/drivers/video/omap/Makefile
  43 index cad6a68..fe7ee5d 100644
  44 --- a/drivers/video/omap/Makefile
  45 +++ b/drivers/video/omap/Makefile
  46 @@ -32,6 +32,7 @@ objs-y$(CONFIG_MACH_OMAP_APOLLON) += lcd_apollon.o
  47  objs-y$(CONFIG_MACH_OMAP_2430SDP) += lcd_2430sdp.o
  48  objs-y$(CONFIG_MACH_OMAP_3430SDP) += lcd_2430sdp.o
  49  objs-y$(CONFIG_MACH_OMAP3EVM) += lcd_omap3evm.o
  50 +objs-y$(CONFIG_MACH_OMAP3_BEAGLE) += lcd_omap3beagle.o
  51  objs-y$(CONFIG_FB_OMAP_LCD_MIPID) += lcd_mipid.o
  52
  53  omapfb-objs := $(objs-yy)
  54 diff --git a/drivers/video/omap/lcd_omap3beagle.c b/drivers/video/omap/lcd_omap3beagle.c
  55 new file mode 100644
  56 index 0000000..f5b7466
  57 --- /dev/null
  58 +++ b/drivers/video/omap/lcd_omap3beagle.c
  59 @@ -0,0 +1,135 @@
  60 +/*
  61 + * LCD panel support for the TI OMAP3 Beagle board
  62 + *
  63 + * Author: Koen Kooi <koen@openembedded.org>
  64 + *
  65 + * Derived from drivers/video/omap/lcd-omap3evm.c
  66 + *
  67 + * This program is free software; you can redistribute it and/or modify it
  68 + * under the terms of the GNU General Public License as published by the
  69 + * Free Software Foundation; either version 2 of the License, or (at your
  70 + * option) any later version.
  71 + *
  72 + * This program is distributed in the hope that it will be useful, but
  73 + * WITHOUT ANY WARRANTY; without even the implied warranty of
  74 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  75 + * General Public License for more details.
  76 + *
  77 + * You should have received a copy of the GNU General Public License along
  78 + * with this program; if not, write to the Free Software Foundation, Inc.,
  79 + * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  80 + */
  81 +
  82 +#include <linux/module.h>
  83 +#include <linux/platform_device.h>
  84 +#include <linux/i2c/twl4030.h>
  85 +
  86 +#include <asm/arch/gpio.h>
  87 +#include <asm/arch/mux.h>
  88 +#include <asm/arch/omapfb.h>
  89 +#include <asm/mach-types.h>
  90 +
  91 +#define LCD_PANEL_ENABLE_GPIO       170
  92 +
  93 +#define LCD_XRES               1024
  94 +#define LCD_YRES               768
  95 +#define LCD_PIXCLOCK_MAX        64000 /* in kHz */
  96 +#define LCD_PIXCLOCK_MIN        64000 /* in kHz */
  97 +
  98 +static int omap3beagle_panel_init(struct lcd_panel *panel,
  99 +                               struct omapfb_device *fbdev)
 100 +{
 101 +       omap_request_gpio(LCD_PANEL_ENABLE_GPIO);
 102 +
 103 +       return 0;
 104 +}
 105 +
 106 +static void omap3beagle_panel_cleanup(struct lcd_panel *panel)
 107 +{
 108 +}
 109 +
 110 +static int omap3beagle_panel_enable(struct lcd_panel *panel)
 111 +{
 112 +       omap_set_gpio_dataout(LCD_PANEL_ENABLE_GPIO, 1);
 113 +       return 0;
 114 +}
 115 +
 116 +static void omap3beagle_panel_disable(struct lcd_panel *panel)
 117 +{
 118 +       omap_set_gpio_dataout(LCD_PANEL_ENABLE_GPIO, 0);
 119 +}
 120 +
 121 +static unsigned long omap3beagle_panel_get_caps(struct lcd_panel *panel)
 122 +{
 123 +       return 0;
 124 +}
 125 +
 126 +struct lcd_panel omap3beagle_panel = {
 127 +       .name           = "omap3beagle",
 128 +       .config         = OMAP_LCDC_PANEL_TFT,
 129 +
 130 +       .bpp            = 24,
 131 +       .data_lines     = 24,
 132 +       .x_res          = LCD_XRES,
 133 +       .y_res          = LCD_YRES,
 134 +       .hsw            = 3,            /* hsync_len (4) - 1 */
 135 +       .hfp            = 3,            /* right_margin (4) - 1 */
 136 +       .hbp            = 39,           /* left_margin (40) - 1 */
 137 +       .vsw            = 1,            /* vsync_len (2) - 1 */
 138 +       .vfp            = 2,            /* lower_margin */
 139 +       .vbp            = 7,            /* upper_margin (8) - 1 */
 140 +
 141 +       .pixel_clock    = LCD_PIXCLOCK_MAX,
 142 +
 143 +       .init           = omap3beagle_panel_init,
 144 +       .cleanup        = omap3beagle_panel_cleanup,
 145 +       .enable         = omap3beagle_panel_enable,
 146 +       .disable        = omap3beagle_panel_disable,
 147 +       .get_caps       = omap3beagle_panel_get_caps,
 148 +};
 149 +
 150 +static int omap3beagle_panel_probe(struct platform_device *pdev)
 151 +{
 152 +       omapfb_register_panel(&omap3beagle_panel);
 153 +       return 0;
 154 +}
 155 +
 156 +static int omap3beagle_panel_remove(struct platform_device *pdev)
 157 +{
 158 +       return 0;
 159 +}
 160 +
 161 +static int omap3beagle_panel_suspend(struct platform_device *pdev,
 162 +                                  pm_message_t mesg)
 163 +{
 164 +       return 0;
 165 +}
 166 +
 167 +static int omap3beagle_panel_resume(struct platform_device *pdev)
 168 +{
 169 +       return 0;
 170 +}
 171 +
 172 +struct platform_driver omap3beagle_panel_driver = {
 173 +       .probe          = omap3beagle_panel_probe,
 174 +       .remove         = omap3beagle_panel_remove,
 175 +       .suspend        = omap3beagle_panel_suspend,
 176 +       .resume         = omap3beagle_panel_resume,
 177 +       .driver         = {
 178 +               .name   = "omap3beagle_lcd",
 179 +               .owner  = THIS_MODULE,
 180 +       },
 181 +};
 182 +
 183 +static int __init omap3beagle_panel_drv_init(void)
 184 +{
 185 +       return platform_driver_register(&omap3beagle_panel_driver);
 186 +}
 187 +
 188 +static void __exit omap3beagle_panel_drv_exit(void)
 189 +{
 190 +       platform_driver_unregister(&omap3beagle_panel_driver);
 191 +}
 192 +
 193 +module_init(omap3beagle_panel_drv_init);
 194 +module_exit(omap3beagle_panel_drv_exit);
 195 --
 196 1.5.4.3
 197