Commit be481941 authored by Steve Sakoman's avatar Steve Sakoman Committed by Linus Torvalds
Browse files

omapfb: add support for the Gumstix Overo LCD 



Signed-off-by: default avatarSteve Sakoman <steve@sakoman.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
Signed-off-by: default avatarImre Deak <imre.deak@nokia.com>
Acked-by: default avatarKrzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 27969ccc

drivers/video/omap/Kconfig

+21 −0
Original line number Diff line number Diff line
@@ -7,6 +7,27 @@ config FB_OMAP 
	help

          Frame buffer driver for OMAP based boards.



choice

	depends on FB_OMAP && MACH_OVERO

	prompt "Screen resolution"

	default FB_OMAP_079M3R

	help

	  Selected desired screen resolution



config FB_OMAP_031M3R

	boolean "640 x 480 @ 60 Hz Reduced blanking"



config FB_OMAP_048M3R

	boolean "800 x 600 @ 60 Hz Reduced blanking"



config FB_OMAP_079M3R

	boolean "1024 x 768 @ 60 Hz Reduced blanking"



config FB_OMAP_092M9R

	boolean "1280 x 720 @ 60 Hz Reduced blanking"



endchoice



config FB_OMAP_LCD_MIPID

	bool "MIPI DBI-C/DCS compatible LCD support"

	depends on FB_OMAP && SPI_MASTER

drivers/video/omap/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -33,6 +33,7 @@ objs-y$(CONFIG_MACH_OMAP2EVM) += lcd_omap2evm.o 
objs-y$(CONFIG_MACH_OMAP3EVM) += lcd_omap3evm.o

objs-y$(CONFIG_MACH_OMAP3_BEAGLE) += lcd_omap3beagle.o

objs-y$(CONFIG_FB_OMAP_LCD_MIPID) += lcd_mipid.o

objs-y$(CONFIG_MACH_OVERO) += lcd_overo.o



omapfb-objs := $(objs-yy)

drivers/video/omap/lcd_overo.c

0 → 100644
+179 −0
Original line number Diff line number Diff line 
/*

 * LCD panel support for the Gumstix Overo

 *

 * Author: Steve Sakoman <steve@sakoman.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 <linux/i2c/twl4030.h>



#include <mach/gpio.h>

#include <mach/mux.h>

#include <mach/omapfb.h>

#include <asm/mach-types.h>



#define LCD_ENABLE       144



static int overo_panel_init(struct lcd_panel *panel,

				struct omapfb_device *fbdev)

{

	if ((gpio_request(LCD_ENABLE, "LCD_ENABLE") == 0) &&

	    (gpio_direction_output(LCD_ENABLE, 1) == 0))

		gpio_export(LCD_ENABLE, 0);

	else

		printk(KERN_ERR "could not obtain gpio for LCD_ENABLE\n");



	return 0;

}



static void overo_panel_cleanup(struct lcd_panel *panel)

{

	gpio_free(LCD_ENABLE);

}



static int overo_panel_enable(struct lcd_panel *panel)

{

	gpio_set_value(LCD_ENABLE, 1);

	return 0;

}



static void overo_panel_disable(struct lcd_panel *panel)

{

	gpio_set_value(LCD_ENABLE, 0);

}



static unsigned long overo_panel_get_caps(struct lcd_panel *panel)

{

	return 0;

}



struct lcd_panel overo_panel = {

	.name		= "overo",

	.config		= OMAP_LCDC_PANEL_TFT,

	.bpp		= 16,

	.data_lines	= 24,



#if defined CONFIG_FB_OMAP_031M3R



	/* 640 x 480 @ 60 Hz  Reduced blanking VESA CVT 0.31M3-R */

	.x_res		= 640,

	.y_res		= 480,

	.hfp		= 48,

	.hsw		= 32,

	.hbp		= 80,

	.vfp		= 3,

	.vsw		= 4,

	.vbp		= 7,

	.pixel_clock	= 23500,



#elif defined CONFIG_FB_OMAP_048M3R



	/* 800 x 600 @ 60 Hz  Reduced blanking VESA CVT 0.48M3-R */

	.x_res		= 800,

	.y_res		= 600,

	.hfp		= 48,

	.hsw		= 32,

	.hbp		= 80,

	.vfp		= 3,

	.vsw		= 4,

	.vbp		= 11,

	.pixel_clock	= 35500,



#elif defined CONFIG_FB_OMAP_079M3R



	/* 1024 x 768 @ 60 Hz  Reduced blanking VESA CVT 0.79M3-R */

	.x_res		= 1024,

	.y_res		= 768,

	.hfp		= 48,

	.hsw		= 32,

	.hbp		= 80,

	.vfp		= 3,

	.vsw		= 4,

	.vbp		= 15,

	.pixel_clock	= 56000,



#elif defined CONFIG_FB_OMAP_092M9R



	/* 1280 x 720 @ 60 Hz  Reduced blanking VESA CVT 0.92M9-R */

	.x_res		= 1280,

	.y_res		= 720,

	.hfp		= 48,

	.hsw		= 32,

	.hbp		= 80,

	.vfp		= 3,

	.vsw		= 5,

	.vbp		= 13,

	.pixel_clock	= 64000,



#else



	/* use 640 x 480 if no config option */

	/* 640 x 480 @ 60 Hz  Reduced blanking VESA CVT 0.31M3-R */

	.x_res		= 640,

	.y_res		= 480,

	.hfp		= 48,

	.hsw		= 32,

	.hbp		= 80,

	.vfp		= 3,

	.vsw		= 4,

	.vbp		= 7,

	.pixel_clock	= 23500,



#endif



	.init		= overo_panel_init,

	.cleanup	= overo_panel_cleanup,

	.enable		= overo_panel_enable,

	.disable	= overo_panel_disable,

	.get_caps	= overo_panel_get_caps,

};



static int overo_panel_probe(struct platform_device *pdev)

{

	omapfb_register_panel(&overo_panel);

	return 0;

}



static int overo_panel_remove(struct platform_device *pdev)

{

	/* omapfb does not have unregister_panel */

	return 0;

}



static struct platform_driver overo_panel_driver = {

	.probe		= overo_panel_probe,

	.remove		= overo_panel_remove,

	.driver		= {

		.name	= "overo_lcd",

		.owner	= THIS_MODULE,

	},

};



static int __init overo_panel_drv_init(void)

{

	return platform_driver_register(&overo_panel_driver);

}



static void __exit overo_panel_drv_exit(void)

{

	platform_driver_unregister(&overo_panel_driver);

}



module_init(overo_panel_drv_init);

module_exit(overo_panel_drv_exit);