f8bd493456
Using gpio_request_one can make the code simpler because it can set the direction and initial value in one shot. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: Michael Hennerich <michael.hennerich@analog.com> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
134 lines
3.1 KiB
C
134 lines
3.1 KiB
C
/*
|
|
* LCD panel support for the TI OMAP1610 Innovator board
|
|
*
|
|
* Copyright (C) 2004 Nokia Corporation
|
|
* Author: Imre Deak <imre.deak@nokia.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/gpio.h>
|
|
#include "omapfb.h"
|
|
|
|
#define MODULE_NAME "omapfb-lcd_h3"
|
|
|
|
static int innovator1610_panel_init(struct lcd_panel *panel,
|
|
struct omapfb_device *fbdev)
|
|
{
|
|
int r = 0;
|
|
|
|
/* configure GPIO(14, 15) as outputs */
|
|
if (gpio_request_one(14, GPIOF_OUT_INIT_LOW, "lcd_en0")) {
|
|
pr_err(MODULE_NAME ": can't request GPIO 14\n");
|
|
r = -1;
|
|
goto exit;
|
|
}
|
|
if (gpio_request_one(15, GPIOF_OUT_INIT_LOW, "lcd_en1")) {
|
|
pr_err(MODULE_NAME ": can't request GPIO 15\n");
|
|
gpio_free(14);
|
|
r = -1;
|
|
goto exit;
|
|
}
|
|
exit:
|
|
return r;
|
|
}
|
|
|
|
static void innovator1610_panel_cleanup(struct lcd_panel *panel)
|
|
{
|
|
gpio_free(15);
|
|
gpio_free(14);
|
|
}
|
|
|
|
static int innovator1610_panel_enable(struct lcd_panel *panel)
|
|
{
|
|
/* set GPIO14 and GPIO15 high */
|
|
gpio_set_value(14, 1);
|
|
gpio_set_value(15, 1);
|
|
return 0;
|
|
}
|
|
|
|
static void innovator1610_panel_disable(struct lcd_panel *panel)
|
|
{
|
|
/* set GPIO13, GPIO14 and GPIO15 low */
|
|
gpio_set_value(14, 0);
|
|
gpio_set_value(15, 0);
|
|
}
|
|
|
|
static unsigned long innovator1610_panel_get_caps(struct lcd_panel *panel)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
struct lcd_panel innovator1610_panel = {
|
|
.name = "inn1610",
|
|
.config = OMAP_LCDC_PANEL_TFT,
|
|
|
|
.bpp = 16,
|
|
.data_lines = 16,
|
|
.x_res = 320,
|
|
.y_res = 240,
|
|
.pixel_clock = 12500,
|
|
.hsw = 40,
|
|
.hfp = 40,
|
|
.hbp = 72,
|
|
.vsw = 1,
|
|
.vfp = 1,
|
|
.vbp = 0,
|
|
.pcd = 12,
|
|
|
|
.init = innovator1610_panel_init,
|
|
.cleanup = innovator1610_panel_cleanup,
|
|
.enable = innovator1610_panel_enable,
|
|
.disable = innovator1610_panel_disable,
|
|
.get_caps = innovator1610_panel_get_caps,
|
|
};
|
|
|
|
static int innovator1610_panel_probe(struct platform_device *pdev)
|
|
{
|
|
omapfb_register_panel(&innovator1610_panel);
|
|
return 0;
|
|
}
|
|
|
|
static int innovator1610_panel_remove(struct platform_device *pdev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int innovator1610_panel_suspend(struct platform_device *pdev,
|
|
pm_message_t mesg)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int innovator1610_panel_resume(struct platform_device *pdev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_driver innovator1610_panel_driver = {
|
|
.probe = innovator1610_panel_probe,
|
|
.remove = innovator1610_panel_remove,
|
|
.suspend = innovator1610_panel_suspend,
|
|
.resume = innovator1610_panel_resume,
|
|
.driver = {
|
|
.name = "lcd_inn1610",
|
|
.owner = THIS_MODULE,
|
|
},
|
|
};
|
|
|
|
module_platform_driver(innovator1610_panel_driver);
|