/*
* LCD panel support for the TI OMAP OSK board
*
* Copyright (C) 2004 Nokia Corporation
* Author: Imre Deak <imre.deak@nokia.com>
* Adapted for OSK by <dirk.behme@de.bosch.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <linux/module.h>
#include <linux/platform_device.h>
#include <mach/gpio.h>
#include <mach/mux.h>
#include <mach/omapfb.h>
static int osk_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev)
{
/* gpio2 was allocated in board init */
return 0;
}
static void osk_panel_cleanup(struct lcd_panel *panel)
{
}
static int osk_panel_enable(struct lcd_panel *panel)
{
/* configure PWL pin */
omap_cfg_reg(PWL);
/* Enable PWL unit */
omap_writeb(0x01, OMAP_PWL_CLK_ENABLE);
/* Set PWL level */
omap_writeb(0xFF, OMAP_PWL_ENABLE);
/* set GPIO2 high (lcd power enabled) */
gpio_set_value(2, 1);
return 0;
}
static void osk_panel_disable(struct lcd_panel *panel)
{
/* Set PWL level to zero */
omap_writeb(0x00, OMAP_PWL_ENABLE);
/* Disable PWL unit */
omap_writeb(0x00, OMAP_PWL_CLK_ENABLE);
/* set GPIO2 low */
gpio_set_value(2, 0);
}
static unsigned long osk_panel_get_caps(struct lcd_panel *panel)
{
return 0;
}
struct lcd_panel osk_panel = {
.name = "osk",
.config = OMAP_LCDC_PANEL_TFT,
.bpp = 16,
.data_lines = 16,
.x_res = 240,
.y_res = 320,
.pixel_clock = 12500,
.hsw = 40,
.hfp = 40,
.hbp = 72,
.vsw = 1,
.vfp = 1,
.vbp = 0,
.pcd = 12,
.init = osk_panel_init,
.cleanup = osk_panel_cleanup,
.enable = osk_panel_enable,
.disable = osk_panel_disable,
.get_caps = osk_panel_get_caps,
};
static int osk_panel_probe(struct platform_device *pdev)
{
omapfb_register_panel(&osk_panel);
return 0;
}
static int osk_panel_remove(struct platform_device *pdev)
{
return 0;
}
static int osk_panel_suspend(struct platform_device *pdev, pm_message_t mesg)
{
return 0;
}
static int osk_panel_resume(struct platform_device *pdev)
{
return 0;
}
struct platform_driver osk_panel_driver = {
.probe = osk_panel_probe,
.remove = osk_panel_remove,
.suspend = osk_panel_suspend,
.resume = osk_panel_resume,
.driver = {
.name = "lcd_osk",
.owner = THIS_MODULE,
},
};
static int osk_panel_drv_init(void)
{
return platform_driver_register(&osk_panel_driver);
}
static void osk_panel_drv_cleanup(void)
{
platform_driver_unregister(&osk_panel_driver);
}
module_init(osk_panel_drv_init);
module_exit(osk_panel_drv_cleanup);
