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/*
* lcd4430_sdp panel support
*
* Copyright (C) 2009 Texas Instruments
* Author: Mayuresh Janorkar <mayur@ti.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 <linux/platform_device.h>
#include <linux/i2c/twl.h>
#include <linux/spi/spi.h>
#include <mach/gpio.h>
#include <mach/gpio.h>
#include <mach/mux.h>
#include <asm/mach-types.h>
#include <mach/control.h>
#include <mach/display.h>
#define LCD_XRES 800
#define LCD_YRES 480
#define LCD_PIXCLOCK_MAX 21625
/*NEC NL8048HL11-01B Manual
* defines HFB, HSW, HBP, VFP, VSW, VBP as shown below
*/
static struct omap_video_timings lcd_4430_sdp_panel_timings = {
/* 800 x 480 @ 60 Hz Reduced blanking VESA CVT 0.31M3-R */
.x_res = LCD_XRES,
.y_res = LCD_YRES,
.pixel_clock = LCD_PIXCLOCK_MAX,
.hfp = 6,
.hsw = 1,
.hbp = 4,
.vfp = 3,
.vsw = 1,
.vbp = 4,
};
static int lcd_4430_sdp_panel_probe(struct omap_dss_device *dssdev)
{
dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
OMAP_DSS_LCD_IHS;
dssdev->panel.timings = lcd_4430_sdp_panel_timings;
return 0;
}
static void lcd_4430_sdp_panel_remove(struct omap_dss_device *dssdev)
{
}
static int lcd_4430_sdp_panel_enable(struct omap_dss_device *dssdev)
{
int r = 0;
mdelay(4);
if (dssdev->platform_enable)
r = dssdev->platform_enable(dssdev);
/* Enable LCD-Enable bit in DISPC_CONTROL */
omap_writel((omap_readl(0x48043040) | 0x1), 0x48043040);
return r;
}
static void lcd_4430_sdp_panel_disable(struct omap_dss_device *dssdev)
{
if (dssdev->platform_disable)
dssdev->platform_disable(dssdev);
mdelay(4);
}
static int lcd_4430_sdp_panel_suspend(struct omap_dss_device *dssdev)
{
lcd_4430_sdp_panel_disable(dssdev);
return 0;
}
static int lcd_4430_sdp_panel_resume(struct omap_dss_device *dssdev)
{
return lcd_4430_sdp_panel_enable(dssdev);
}
static struct omap_dss_driver lcd_4430_sdp_driver = {
.probe = lcd_4430_sdp_panel_probe,
.remove = lcd_4430_sdp_panel_remove,
.enable = lcd_4430_sdp_panel_enable,
.disable = lcd_4430_sdp_panel_disable,
.suspend = lcd_4430_sdp_panel_suspend,
.resume = lcd_4430_sdp_panel_resume,
.driver = {
.name = "sdp4430_panel",
.owner = THIS_MODULE,
},
};
static int __init lcd_4430_sdp_lcd_init(void)
{
return omap_dss_register_driver(&lcd_4430_sdp_driver);
}
static void __exit lcd_4430_sdp_lcd_exit(void)
{
return omap_dss_unregister_driver(&lcd_4430_sdp_driver);
}
module_init(lcd_4430_sdp_lcd_init);
module_exit(lcd_4430_sdp_lcd_exit);
MODULE_LICENSE("GPL");
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