mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-13 15:36:44 +07:00
92e0ed074a
This is an updated version of the LCD driver for the Amstrad Delta to take into account the recent changes to the omapfb infrastructure. The Delta features a 480x320 12 bit DSTN panel. Signed-off-by: Jonathan McDowell <noodles@earth.li> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Imre Deak <imre.deak@nokia.com> Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
138 lines
3.2 KiB
C
138 lines
3.2 KiB
C
/*
|
|
* Based on drivers/video/omap/lcd_inn1510.c
|
|
*
|
|
* LCD panel support for the Amstrad E3 (Delta) videophone.
|
|
*
|
|
* Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
|
|
*
|
|
* 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/io.h>
|
|
#include <linux/delay.h>
|
|
|
|
#include <mach/board-ams-delta.h>
|
|
#include <mach/hardware.h>
|
|
#include <mach/omapfb.h>
|
|
|
|
#define AMS_DELTA_DEFAULT_CONTRAST 112
|
|
|
|
static int ams_delta_panel_init(struct lcd_panel *panel,
|
|
struct omapfb_device *fbdev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static void ams_delta_panel_cleanup(struct lcd_panel *panel)
|
|
{
|
|
}
|
|
|
|
static int ams_delta_panel_enable(struct lcd_panel *panel)
|
|
{
|
|
ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_NDISP,
|
|
AMS_DELTA_LATCH2_LCD_NDISP);
|
|
ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_VBLEN,
|
|
AMS_DELTA_LATCH2_LCD_VBLEN);
|
|
|
|
omap_writeb(1, OMAP_PWL_CLK_ENABLE);
|
|
omap_writeb(AMS_DELTA_DEFAULT_CONTRAST, OMAP_PWL_ENABLE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void ams_delta_panel_disable(struct lcd_panel *panel)
|
|
{
|
|
ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_VBLEN, 0);
|
|
ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_NDISP, 0);
|
|
}
|
|
|
|
static unsigned long ams_delta_panel_get_caps(struct lcd_panel *panel)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static struct lcd_panel ams_delta_panel = {
|
|
.name = "ams-delta",
|
|
.config = 0,
|
|
|
|
.bpp = 12,
|
|
.data_lines = 16,
|
|
.x_res = 480,
|
|
.y_res = 320,
|
|
.pixel_clock = 4687,
|
|
.hsw = 3,
|
|
.hfp = 1,
|
|
.hbp = 1,
|
|
.vsw = 1,
|
|
.vfp = 0,
|
|
.vbp = 0,
|
|
.pcd = 0,
|
|
.acb = 37,
|
|
|
|
.init = ams_delta_panel_init,
|
|
.cleanup = ams_delta_panel_cleanup,
|
|
.enable = ams_delta_panel_enable,
|
|
.disable = ams_delta_panel_disable,
|
|
.get_caps = ams_delta_panel_get_caps,
|
|
};
|
|
|
|
static int ams_delta_panel_probe(struct platform_device *pdev)
|
|
{
|
|
omapfb_register_panel(&ams_delta_panel);
|
|
return 0;
|
|
}
|
|
|
|
static int ams_delta_panel_remove(struct platform_device *pdev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int ams_delta_panel_suspend(struct platform_device *pdev,
|
|
pm_message_t mesg)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int ams_delta_panel_resume(struct platform_device *pdev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
struct platform_driver ams_delta_panel_driver = {
|
|
.probe = ams_delta_panel_probe,
|
|
.remove = ams_delta_panel_remove,
|
|
.suspend = ams_delta_panel_suspend,
|
|
.resume = ams_delta_panel_resume,
|
|
.driver = {
|
|
.name = "lcd_ams_delta",
|
|
.owner = THIS_MODULE,
|
|
},
|
|
};
|
|
|
|
static int ams_delta_panel_drv_init(void)
|
|
{
|
|
return platform_driver_register(&ams_delta_panel_driver);
|
|
}
|
|
|
|
static void ams_delta_panel_drv_cleanup(void)
|
|
{
|
|
platform_driver_unregister(&ams_delta_panel_driver);
|
|
}
|
|
|
|
module_init(ams_delta_panel_drv_init);
|
|
module_exit(ams_delta_panel_drv_cleanup);
|