OMAP: DSS2: Add Sharp LQ043T1DG01 panel driver

        help

          LCD Panel used in TI's SDP3430 and EVM boards

config PANEL_SHARP_LQ043T1DG01

        tristate "Sharp LQ043T1DG01 LCD Panel"

        depends on OMAP2_DSS

        help

          LCD Panel used in TI's OMAP3517 EVM boards

config PANEL_TAAL

        tristate "Taal DSI Panel"

        depends on OMAP2_DSS_DSI

obj-$(CONFIG_PANEL_GENERIC) += panel-generic.o

obj-$(CONFIG_PANEL_SHARP_LS037V7DW01) += panel-sharp-ls037v7dw01.o

obj-$(CONFIG_PANEL_SHARP_LQ043T1DG01) += panel-sharp-lq043t1dg01.o

obj-$(CONFIG_PANEL_TAAL) += panel-taal.o

/*

 * LCD panel driver for Sharp LQ043T1DG01

 *

 * Copyright (C) 2009 Texas Instruments Inc

 * Author: Vaibhav Hiremath <hvaibhav@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/device.h>

#include <linux/err.h>

#include <plat/display.h>

static struct omap_video_timings sharp_lq_timings = {

	.x_res = 480,

	.y_res = 272,

	.pixel_clock	= 9000,

	.hsw		= 42,

	.hfp		= 3,

	.hbp		= 2,

	.vsw		= 11,

	.vfp		= 3,

	.vbp		= 2,

};

static int sharp_lq_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_IEO;

	dssdev->panel.acb = 0x0;

	dssdev->panel.timings = sharp_lq_timings;

	return 0;

}

static void sharp_lq_panel_remove(struct omap_dss_device *dssdev)

{

}

static int sharp_lq_panel_enable(struct omap_dss_device *dssdev)

{

	int r = 0;

	/* wait couple of vsyncs until enabling the LCD */

	msleep(50);

	if (dssdev->platform_enable)

		r = dssdev->platform_enable(dssdev);

	return r;

}

static void sharp_lq_panel_disable(struct omap_dss_device *dssdev)

{

	if (dssdev->platform_disable)

		dssdev->platform_disable(dssdev);

	/* wait at least 5 vsyncs after disabling the LCD */

	msleep(100);

}

static int sharp_lq_panel_suspend(struct omap_dss_device *dssdev)

{

	sharp_lq_panel_disable(dssdev);

	return 0;

}

static int sharp_lq_panel_resume(struct omap_dss_device *dssdev)

{

	return sharp_lq_panel_enable(dssdev);

}

static struct omap_dss_driver sharp_lq_driver = {

	.probe		= sharp_lq_panel_probe,

	.remove		= sharp_lq_panel_remove,

	.enable		= sharp_lq_panel_enable,

	.disable	= sharp_lq_panel_disable,

	.suspend	= sharp_lq_panel_suspend,

	.resume		= sharp_lq_panel_resume,

	.driver         = {

		.name   = "sharp_lq_panel",

		.owner  = THIS_MODULE,

	},

};

static int __init sharp_lq_panel_drv_init(void)

{

	return omap_dss_register_driver(&sharp_lq_driver);

}

static void __exit sharp_lq_panel_drv_exit(void)

{

	omap_dss_unregister_driver(&sharp_lq_driver);

}

module_init(sharp_lq_panel_drv_init);

module_exit(sharp_lq_panel_drv_exit);

MODULE_LICENSE("GPL");