forked from Minki/linux
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
/*
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* Based on drivers/video/omap/lcd_inn1510.c
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*
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* LCD panel support for the Amstrad E3 (Delta) videophone.
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*
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* Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/io.h>
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#include <linux/delay.h>
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#include <mach/board-ams-delta.h>
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#include <mach/hardware.h>
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#include <mach/omapfb.h>
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#define AMS_DELTA_DEFAULT_CONTRAST 112
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static int ams_delta_panel_init(struct lcd_panel *panel,
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struct omapfb_device *fbdev)
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{
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return 0;
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}
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static void ams_delta_panel_cleanup(struct lcd_panel *panel)
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{
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}
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static int ams_delta_panel_enable(struct lcd_panel *panel)
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{
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ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_NDISP,
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AMS_DELTA_LATCH2_LCD_NDISP);
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ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_VBLEN,
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AMS_DELTA_LATCH2_LCD_VBLEN);
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omap_writeb(1, OMAP_PWL_CLK_ENABLE);
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omap_writeb(AMS_DELTA_DEFAULT_CONTRAST, OMAP_PWL_ENABLE);
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return 0;
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}
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static void ams_delta_panel_disable(struct lcd_panel *panel)
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{
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ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_VBLEN, 0);
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ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_NDISP, 0);
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}
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static unsigned long ams_delta_panel_get_caps(struct lcd_panel *panel)
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{
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return 0;
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}
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static struct lcd_panel ams_delta_panel = {
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.name = "ams-delta",
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.config = 0,
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.bpp = 12,
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.data_lines = 16,
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.x_res = 480,
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.y_res = 320,
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.pixel_clock = 4687,
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.hsw = 3,
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.hfp = 1,
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.hbp = 1,
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.vsw = 1,
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.vfp = 0,
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.vbp = 0,
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.pcd = 0,
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.acb = 37,
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.init = ams_delta_panel_init,
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.cleanup = ams_delta_panel_cleanup,
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.enable = ams_delta_panel_enable,
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.disable = ams_delta_panel_disable,
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.get_caps = ams_delta_panel_get_caps,
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};
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static int ams_delta_panel_probe(struct platform_device *pdev)
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{
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omapfb_register_panel(&ams_delta_panel);
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return 0;
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}
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static int ams_delta_panel_remove(struct platform_device *pdev)
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{
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return 0;
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}
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static int ams_delta_panel_suspend(struct platform_device *pdev,
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pm_message_t mesg)
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{
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return 0;
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}
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static int ams_delta_panel_resume(struct platform_device *pdev)
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{
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return 0;
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}
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struct platform_driver ams_delta_panel_driver = {
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.probe = ams_delta_panel_probe,
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.remove = ams_delta_panel_remove,
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.suspend = ams_delta_panel_suspend,
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.resume = ams_delta_panel_resume,
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.driver = {
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.name = "lcd_ams_delta",
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.owner = THIS_MODULE,
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},
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};
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static int ams_delta_panel_drv_init(void)
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{
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return platform_driver_register(&ams_delta_panel_driver);
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}
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static void ams_delta_panel_drv_cleanup(void)
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{
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platform_driver_unregister(&ams_delta_panel_driver);
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}
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module_init(ams_delta_panel_drv_init);
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module_exit(ams_delta_panel_drv_cleanup);
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