2 * LCD panel driver for Toppoly TDO35S
4 * Copyright (C) 2009 CompuLab, Ltd.
5 * Author: Mike Rapoport <mike@compulab.co.il>
7 * Based on generic panel support
8 * Copyright (C) 2008 Nokia Corporation
9 * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License version 2 as published by
13 * the Free Software Foundation.
15 * This program is distributed in the hope that it will be useful, but WITHOUT
16 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
17 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
20 * You should have received a copy of the GNU General Public License along with
21 * this program. If not, see <http://www.gnu.org/licenses/>.
24 #include <linux/module.h>
25 #include <linux/delay.h>
27 #include <plat/display.h>
29 static struct omap_video_timings toppoly_tdo_panel_timings = {
30 /* 640 x 480 @ 60 Hz Reduced blanking VESA CVT 0.31M3-R */
45 static int toppoly_tdo_panel_power_on(struct omap_dss_device *dssdev)
49 if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
52 r = omapdss_dpi_display_enable(dssdev);
56 if (dssdev->platform_enable) {
57 r = dssdev->platform_enable(dssdev);
64 omapdss_dpi_display_disable(dssdev);
69 static void toppoly_tdo_panel_power_off(struct omap_dss_device *dssdev)
71 if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
74 if (dssdev->platform_disable)
75 dssdev->platform_disable(dssdev);
77 omapdss_dpi_display_disable(dssdev);
80 static int toppoly_tdo_panel_probe(struct omap_dss_device *dssdev)
82 dssdev->panel.config = OMAP_DSS_LCD_TFT |
88 dssdev->panel.timings = toppoly_tdo_panel_timings;
93 static void toppoly_tdo_panel_remove(struct omap_dss_device *dssdev)
97 static int toppoly_tdo_panel_enable(struct omap_dss_device *dssdev)
101 r = toppoly_tdo_panel_power_on(dssdev);
105 dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
110 static void toppoly_tdo_panel_disable(struct omap_dss_device *dssdev)
112 toppoly_tdo_panel_power_off(dssdev);
114 dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
117 static int toppoly_tdo_panel_suspend(struct omap_dss_device *dssdev)
119 toppoly_tdo_panel_power_off(dssdev);
120 dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
124 static int toppoly_tdo_panel_resume(struct omap_dss_device *dssdev)
128 r = toppoly_tdo_panel_power_on(dssdev);
132 dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
137 static struct omap_dss_driver generic_driver = {
138 .probe = toppoly_tdo_panel_probe,
139 .remove = toppoly_tdo_panel_remove,
141 .enable = toppoly_tdo_panel_enable,
142 .disable = toppoly_tdo_panel_disable,
143 .suspend = toppoly_tdo_panel_suspend,
144 .resume = toppoly_tdo_panel_resume,
147 .name = "toppoly_tdo35s_panel",
148 .owner = THIS_MODULE,
152 static int __init toppoly_tdo_panel_drv_init(void)
154 return omap_dss_register_driver(&generic_driver);
157 static void __exit toppoly_tdo_panel_drv_exit(void)
159 omap_dss_unregister_driver(&generic_driver);
162 module_init(toppoly_tdo_panel_drv_init);
163 module_exit(toppoly_tdo_panel_drv_exit);
164 MODULE_LICENSE("GPL");