mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-21 11:44:01 +08:00
107cc64b7f
- Adds TFT LCD panel support for TI OMAP OSK board. Signed-off-by: Trilok Soni <soni.trilok@gmail.com> Cc: Tony Lindgren <tony@atomide.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
145 lines
3.1 KiB
C
145 lines
3.1 KiB
C
/*
|
|
* LCD panel support for the TI OMAP OSK board
|
|
*
|
|
* Copyright (C) 2004 Nokia Corporation
|
|
* Author: Imre Deak <imre.deak@nokia.com>
|
|
* Adapted for OSK by <dirk.behme@de.bosch.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 <asm/arch/gpio.h>
|
|
#include <asm/arch/mux.h>
|
|
#include <asm/arch/omapfb.h>
|
|
|
|
static int osk_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static void osk_panel_cleanup(struct lcd_panel *panel)
|
|
{
|
|
}
|
|
|
|
static int osk_panel_enable(struct lcd_panel *panel)
|
|
{
|
|
/* configure PWL pin */
|
|
omap_cfg_reg(PWL);
|
|
|
|
/* Enable PWL unit */
|
|
omap_writeb(0x01, OMAP_PWL_CLK_ENABLE);
|
|
|
|
/* Set PWL level */
|
|
omap_writeb(0xFF, OMAP_PWL_ENABLE);
|
|
|
|
/* configure GPIO2 as output */
|
|
omap_set_gpio_direction(2, 0);
|
|
|
|
/* set GPIO2 high */
|
|
omap_set_gpio_dataout(2, 1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void osk_panel_disable(struct lcd_panel *panel)
|
|
{
|
|
/* Set PWL level to zero */
|
|
omap_writeb(0x00, OMAP_PWL_ENABLE);
|
|
|
|
/* Disable PWL unit */
|
|
omap_writeb(0x00, OMAP_PWL_CLK_ENABLE);
|
|
|
|
/* set GPIO2 low */
|
|
omap_set_gpio_dataout(2, 0);
|
|
}
|
|
|
|
static unsigned long osk_panel_get_caps(struct lcd_panel *panel)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
struct lcd_panel osk_panel = {
|
|
.name = "osk",
|
|
.config = OMAP_LCDC_PANEL_TFT,
|
|
|
|
.bpp = 16,
|
|
.data_lines = 16,
|
|
.x_res = 240,
|
|
.y_res = 320,
|
|
.pixel_clock = 12500,
|
|
.hsw = 40,
|
|
.hfp = 40,
|
|
.hbp = 72,
|
|
.vsw = 1,
|
|
.vfp = 1,
|
|
.vbp = 0,
|
|
.pcd = 12,
|
|
|
|
.init = osk_panel_init,
|
|
.cleanup = osk_panel_cleanup,
|
|
.enable = osk_panel_enable,
|
|
.disable = osk_panel_disable,
|
|
.get_caps = osk_panel_get_caps,
|
|
};
|
|
|
|
static int osk_panel_probe(struct platform_device *pdev)
|
|
{
|
|
omapfb_register_panel(&osk_panel);
|
|
return 0;
|
|
}
|
|
|
|
static int osk_panel_remove(struct platform_device *pdev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int osk_panel_suspend(struct platform_device *pdev, pm_message_t mesg)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int osk_panel_resume(struct platform_device *pdev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
struct platform_driver osk_panel_driver = {
|
|
.probe = osk_panel_probe,
|
|
.remove = osk_panel_remove,
|
|
.suspend = osk_panel_suspend,
|
|
.resume = osk_panel_resume,
|
|
.driver = {
|
|
.name = "lcd_osk",
|
|
.owner = THIS_MODULE,
|
|
},
|
|
};
|
|
|
|
static int osk_panel_drv_init(void)
|
|
{
|
|
return platform_driver_register(&osk_panel_driver);
|
|
}
|
|
|
|
static void osk_panel_drv_cleanup(void)
|
|
{
|
|
platform_driver_unregister(&osk_panel_driver);
|
|
}
|
|
|
|
module_init(osk_panel_drv_init);
|
|
module_exit(osk_panel_drv_cleanup);
|
|
|