/* * LCD panel support for the TI OMAP H3 board * * Copyright (C) 2004 Nokia Corporation * Author: Imre Deak <imre.deak@nokia.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 <linux/i2c/tps65010.h> #include <mach/gpio.h> #include <mach/omapfb.h> #define MODULE_NAME "omapfb-lcd_h3" static int h3_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev) { return 0; } static void h3_panel_cleanup(struct lcd_panel *panel) { } static int h3_panel_enable(struct lcd_panel *panel) { int r = 0; /* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */ r = tps65010_set_gpio_out_value(GPIO1, HIGH); if (!r) r = tps65010_set_gpio_out_value(GPIO2, HIGH); if (r) pr_err(MODULE_NAME ": Unable to turn on LCD panel\n"); return r; } static void h3_panel_disable(struct lcd_panel *panel) { int r = 0; /* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */ r = tps65010_set_gpio_out_value(GPIO1, LOW); if (!r) tps65010_set_gpio_out_value(GPIO2, LOW); if (r) pr_err(MODULE_NAME ": Unable to turn off LCD panel\n"); } static unsigned long h3_panel_get_caps(struct lcd_panel *panel) { return 0; } struct lcd_panel h3_panel = { .name = "h3", .config = OMAP_LCDC_PANEL_TFT, .data_lines = 16, .bpp = 16, .x_res = 240, .y_res = 320, .pixel_clock = 12000, .hsw = 12, .hfp = 14, .hbp = 72 - 12, .vsw = 1, .vfp = 1, .vbp = 0, .pcd = 0, .init = h3_panel_init, .cleanup = h3_panel_cleanup, .enable = h3_panel_enable, .disable = h3_panel_disable, .get_caps = h3_panel_get_caps, }; static int h3_panel_probe(struct platform_device *pdev) { omapfb_register_panel(&h3_panel); return 0; } static int h3_panel_remove(struct platform_device *pdev) { return 0; } static int h3_panel_suspend(struct platform_device *pdev, pm_message_t mesg) { return 0; } static int h3_panel_resume(struct platform_device *pdev) { return 0; } struct platform_driver h3_panel_driver = { .probe = h3_panel_probe, .remove = h3_panel_remove, .suspend = h3_panel_suspend, .resume = h3_panel_resume, .driver = { .name = "lcd_h3", .owner = THIS_MODULE, }, }; static int h3_panel_drv_init(void) { return platform_driver_register(&h3_panel_driver); } static void h3_panel_drv_cleanup(void) { platform_driver_unregister(&h3_panel_driver); } module_init(h3_panel_drv_init); module_exit(h3_panel_drv_cleanup);