| /* |
| * LCD panel support for the TI OMAP OSK board |
| * |
| * Copyright (C) 2004 Nokia Corporation |
| * Author: Imre Deak <[email protected]> |
| * Adapted for OSK by <[email protected]> |
| * |
| * 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 <mach/gpio.h> |
| #include <plat/mux.h> |
| #include "omapfb.h" |
| |
| static int osk_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev) |
| { |
| /* gpio2 was allocated in board init */ |
| return 0; |
| } |
| |
| static void osk_panel_cleanup(struct lcd_panel *panel) |
| { |
| } |
| |
| static int osk_panel_enable(struct lcd_panel *panel) |
| { |
| /* configure PWL pin */ |
| omap_cfg_reg(PWL); |
| |
| /* Enable PWL unit */ |
| omap_writeb(0x01, OMAP_PWL_CLK_ENABLE); |
| |
| /* Set PWL level */ |
| omap_writeb(0xFF, OMAP_PWL_ENABLE); |
| |
| /* set GPIO2 high (lcd power enabled) */ |
| gpio_set_value(2, 1); |
| |
| return 0; |
| } |
| |
| static void osk_panel_disable(struct lcd_panel *panel) |
| { |
| /* Set PWL level to zero */ |
| omap_writeb(0x00, OMAP_PWL_ENABLE); |
| |
| /* Disable PWL unit */ |
| omap_writeb(0x00, OMAP_PWL_CLK_ENABLE); |
| |
| /* set GPIO2 low */ |
| gpio_set_value(2, 0); |
| } |
| |
| static unsigned long osk_panel_get_caps(struct lcd_panel *panel) |
| { |
| return 0; |
| } |
| |
| struct lcd_panel osk_panel = { |
| .name = "osk", |
| .config = OMAP_LCDC_PANEL_TFT, |
| |
| .bpp = 16, |
| .data_lines = 16, |
| .x_res = 240, |
| .y_res = 320, |
| .pixel_clock = 12500, |
| .hsw = 40, |
| .hfp = 40, |
| .hbp = 72, |
| .vsw = 1, |
| .vfp = 1, |
| .vbp = 0, |
| .pcd = 12, |
| |
| .init = osk_panel_init, |
| .cleanup = osk_panel_cleanup, |
| .enable = osk_panel_enable, |
| .disable = osk_panel_disable, |
| .get_caps = osk_panel_get_caps, |
| }; |
| |
| static int osk_panel_probe(struct platform_device *pdev) |
| { |
| omapfb_register_panel(&osk_panel); |
| return 0; |
| } |
| |
| static int osk_panel_remove(struct platform_device *pdev) |
| { |
| return 0; |
| } |
| |
| static int osk_panel_suspend(struct platform_device *pdev, pm_message_t mesg) |
| { |
| return 0; |
| } |
| |
| static int osk_panel_resume(struct platform_device *pdev) |
| { |
| return 0; |
| } |
| |
| struct platform_driver osk_panel_driver = { |
| .probe = osk_panel_probe, |
| .remove = osk_panel_remove, |
| .suspend = osk_panel_suspend, |
| .resume = osk_panel_resume, |
| .driver = { |
| .name = "lcd_osk", |
| .owner = THIS_MODULE, |
| }, |
| }; |
| |
| static int __init osk_panel_drv_init(void) |
| { |
| return platform_driver_register(&osk_panel_driver); |
| } |
| |
| static void __exit osk_panel_drv_cleanup(void) |
| { |
| platform_driver_unregister(&osk_panel_driver); |
| } |
| |
| module_init(osk_panel_drv_init); |
| module_exit(osk_panel_drv_cleanup); |
| |
