/*
* LCD panel driver for Toppoly TDO35S
*
* Copyright (C) 2009 CompuLab, Ltd.
* Author: Mike Rapoport <mike@compulab.co.il>
*
* Based on generic panel support
* Copyright (C) 2008 Nokia Corporation
* Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include <linux/module.h>
#include <linux/delay.h>
#include <plat/display.h>
static struct omap_video_timings toppoly_tdo_panel_timings = {
/* 640 x 480 @ 60 Hz Reduced blanking VESA CVT 0.31M3-R */
.x_res = 480,
.y_res = 640,
.pixel_clock = 26000,
.hfp = 104,
.hsw = 8,
.hbp = 8,
.vfp = 4,
.vsw = 2,
.vbp = 2,
};
static int toppoly_tdo_panel_power_on(struct omap_dss_device *dssdev)
{
int r;
if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
return 0;
r = omapdss_dpi_display_enable(dssdev);
if (r)
goto err0;
if (dssdev->platform_enable) {
r = dssdev->platform_enable(dssdev);
if (r)
goto err1;
}
return 0;
err1:
omapdss_dpi_display_disable(dssdev);
err0:
return r;
}
static void toppoly_tdo_panel_power_off(struct omap_dss_device *dssdev)
{
if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
return;
if (dssdev->platform_disable)
dssdev->platform_disable(dssdev);
omapdss_dpi_display_disable(dssdev);
}
static int toppoly_tdo_panel_probe(struct omap_dss_device *dssdev)
{
dssdev->panel.config = OMAP_DSS_LCD_TFT |
OMAP_DSS_LCD_IVS |
OMAP_DSS_LCD_IHS |
OMAP_DSS_LCD_IPC |
OMAP_DSS_LCD_ONOFF;
dssdev->panel.timings = toppoly_tdo_panel_timings;
return 0;
}
static void toppoly_tdo_panel_remove(struct omap_dss_device *dssdev)
{
}
static int toppoly_tdo_panel_enable(struct omap_dss_device *dssdev)
{
int r = 0;
r = toppoly_tdo_panel_power_on(dssdev);
if (r)
return r;
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
return 0;
}
static void toppoly_tdo_panel_disable(struct omap_dss_device *dssdev)
{
toppoly_tdo_panel_power_off(dssdev);
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
}
static int toppoly_tdo_panel_suspend(struct omap_dss_device *dssdev)
{
toppoly_tdo_panel_power_off(dssdev);
dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
return 0;
}
static int toppoly_tdo_panel_resume(struct omap_dss_device *dssdev)
{
int r = 0;
r = toppoly_tdo_panel_power_on(dssdev);
if (r)
return r;
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
return 0;
}
static struct omap_dss_driver generic_driver = {
.probe = toppoly_tdo_panel_probe,
.remove = toppoly_tdo_panel_remove,
.enable = toppoly_tdo_panel_enable,
.disable = toppoly_tdo_panel_disable,
.suspend = toppoly_tdo_panel_suspend,
.resume = toppoly_tdo_panel_resume,
.driver = {
.name = "toppoly_tdo35s_panel",
.owner = THIS_MODULE,
},
};
static int __init toppoly_tdo_panel_drv_init(void)
{
return omap_dss_register_driver(&generic_driver);
}
static void __exit toppoly_tdo_panel_drv_exit(void)
{
omap_dss_unregister_driver(&generic_driver);
}
module_init(toppoly_tdo_panel_drv_init);
module_exit(toppoly_tdo_panel_drv_exit);
MODULE_LICENSE("GPL");
