mirror of https://gitee.com/openkylin/linux.git
131 lines
3.2 KiB
C
131 lines
3.2 KiB
C
/*
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* LCD panel support for the TI OMAP3 Beagle board
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*
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* Author: Koen Kooi <koen@openembedded.org>
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*
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* Derived from drivers/video/omap/lcd-omap3evm.c
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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/gpio.h>
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#include <linux/i2c/twl.h>
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#include <asm/mach-types.h>
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#include "omapfb.h"
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#define LCD_PANEL_ENABLE_GPIO 170
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static int omap3beagle_panel_init(struct lcd_panel *panel,
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struct omapfb_device *fbdev)
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{
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gpio_request(LCD_PANEL_ENABLE_GPIO, "LCD enable");
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return 0;
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}
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static void omap3beagle_panel_cleanup(struct lcd_panel *panel)
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{
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gpio_free(LCD_PANEL_ENABLE_GPIO);
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}
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static int omap3beagle_panel_enable(struct lcd_panel *panel)
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{
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gpio_set_value(LCD_PANEL_ENABLE_GPIO, 1);
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return 0;
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}
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static void omap3beagle_panel_disable(struct lcd_panel *panel)
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{
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gpio_set_value(LCD_PANEL_ENABLE_GPIO, 0);
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}
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static unsigned long omap3beagle_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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struct lcd_panel omap3beagle_panel = {
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.name = "omap3beagle",
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.config = OMAP_LCDC_PANEL_TFT,
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.bpp = 16,
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.data_lines = 24,
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.x_res = 1024,
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.y_res = 768,
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.hsw = 3, /* hsync_len (4) - 1 */
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.hfp = 3, /* right_margin (4) - 1 */
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.hbp = 39, /* left_margin (40) - 1 */
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.vsw = 1, /* vsync_len (2) - 1 */
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.vfp = 2, /* lower_margin */
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.vbp = 7, /* upper_margin (8) - 1 */
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.pixel_clock = 64000,
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.init = omap3beagle_panel_init,
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.cleanup = omap3beagle_panel_cleanup,
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.enable = omap3beagle_panel_enable,
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.disable = omap3beagle_panel_disable,
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.get_caps = omap3beagle_panel_get_caps,
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};
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static int omap3beagle_panel_probe(struct platform_device *pdev)
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{
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omapfb_register_panel(&omap3beagle_panel);
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return 0;
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}
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static int omap3beagle_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 omap3beagle_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 omap3beagle_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 omap3beagle_panel_driver = {
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.probe = omap3beagle_panel_probe,
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.remove = omap3beagle_panel_remove,
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.suspend = omap3beagle_panel_suspend,
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.resume = omap3beagle_panel_resume,
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.driver = {
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.name = "omap3beagle_lcd",
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.owner = THIS_MODULE,
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},
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};
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static int __init omap3beagle_panel_drv_init(void)
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{
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return platform_driver_register(&omap3beagle_panel_driver);
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}
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static void __exit omap3beagle_panel_drv_exit(void)
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{
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platform_driver_unregister(&omap3beagle_panel_driver);
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}
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module_init(omap3beagle_panel_drv_init);
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module_exit(omap3beagle_panel_drv_exit);
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