| /* |
| * LCD panel support for the Gumstix Overo |
| * |
| * Author: Steve Sakoman <steve@sakoman.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/twl4030.h> |
| |
| #include <mach/gpio.h> |
| #include <plat/mux.h> |
| #include <asm/mach-types.h> |
| |
| #include "omapfb.h" |
| |
| #define LCD_ENABLE 144 |
| |
| static int overo_panel_init(struct lcd_panel *panel, |
| struct omapfb_device *fbdev) |
| { |
| if ((gpio_request(LCD_ENABLE, "LCD_ENABLE") == 0) && |
| (gpio_direction_output(LCD_ENABLE, 1) == 0)) |
| gpio_export(LCD_ENABLE, 0); |
| else |
| printk(KERN_ERR "could not obtain gpio for LCD_ENABLE\n"); |
| |
| return 0; |
| } |
| |
| static void overo_panel_cleanup(struct lcd_panel *panel) |
| { |
| gpio_free(LCD_ENABLE); |
| } |
| |
| static int overo_panel_enable(struct lcd_panel *panel) |
| { |
| gpio_set_value(LCD_ENABLE, 1); |
| return 0; |
| } |
| |
| static void overo_panel_disable(struct lcd_panel *panel) |
| { |
| gpio_set_value(LCD_ENABLE, 0); |
| } |
| |
| static unsigned long overo_panel_get_caps(struct lcd_panel *panel) |
| { |
| return 0; |
| } |
| |
| struct lcd_panel overo_panel = { |
| .name = "overo", |
| .config = OMAP_LCDC_PANEL_TFT, |
| .bpp = 16, |
| .data_lines = 24, |
| |
| #if defined CONFIG_FB_OMAP_031M3R |
| |
| /* 640 x 480 @ 60 Hz Reduced blanking VESA CVT 0.31M3-R */ |
| .x_res = 640, |
| .y_res = 480, |
| .hfp = 48, |
| .hsw = 32, |
| .hbp = 80, |
| .vfp = 3, |
| .vsw = 4, |
| .vbp = 7, |
| .pixel_clock = 23500, |
| |
| #elif defined CONFIG_FB_OMAP_048M3R |
| |
| /* 800 x 600 @ 60 Hz Reduced blanking VESA CVT 0.48M3-R */ |
| .x_res = 800, |
| .y_res = 600, |
| .hfp = 48, |
| .hsw = 32, |
| .hbp = 80, |
| .vfp = 3, |
| .vsw = 4, |
| .vbp = 11, |
| .pixel_clock = 35500, |
| |
| #elif defined CONFIG_FB_OMAP_079M3R |
| |
| /* 1024 x 768 @ 60 Hz Reduced blanking VESA CVT 0.79M3-R */ |
| .x_res = 1024, |
| .y_res = 768, |
| .hfp = 48, |
| .hsw = 32, |
| .hbp = 80, |
| .vfp = 3, |
| .vsw = 4, |
| .vbp = 15, |
| .pixel_clock = 56000, |
| |
| #elif defined CONFIG_FB_OMAP_092M9R |
| |
| /* 1280 x 720 @ 60 Hz Reduced blanking VESA CVT 0.92M9-R */ |
| .x_res = 1280, |
| .y_res = 720, |
| .hfp = 48, |
| .hsw = 32, |
| .hbp = 80, |
| .vfp = 3, |
| .vsw = 5, |
| .vbp = 13, |
| .pixel_clock = 64000, |
| |
| #else |
| |
| /* use 640 x 480 if no config option */ |
| /* 640 x 480 @ 60 Hz Reduced blanking VESA CVT 0.31M3-R */ |
| .x_res = 640, |
| .y_res = 480, |
| .hfp = 48, |
| .hsw = 32, |
| .hbp = 80, |
| .vfp = 3, |
| .vsw = 4, |
| .vbp = 7, |
| .pixel_clock = 23500, |
| |
| #endif |
| |
| .init = overo_panel_init, |
| .cleanup = overo_panel_cleanup, |
| .enable = overo_panel_enable, |
| .disable = overo_panel_disable, |
| .get_caps = overo_panel_get_caps, |
| }; |
| |
| static int overo_panel_probe(struct platform_device *pdev) |
| { |
| omapfb_register_panel(&overo_panel); |
| return 0; |
| } |
| |
| static int overo_panel_remove(struct platform_device *pdev) |
| { |
| /* omapfb does not have unregister_panel */ |
| return 0; |
| } |
| |
| static struct platform_driver overo_panel_driver = { |
| .probe = overo_panel_probe, |
| .remove = overo_panel_remove, |
| .driver = { |
| .name = "overo_lcd", |
| .owner = THIS_MODULE, |
| }, |
| }; |
| |
| static int __init overo_panel_drv_init(void) |
| { |
| return platform_driver_register(&overo_panel_driver); |
| } |
| |
| static void __exit overo_panel_drv_exit(void) |
| { |
| platform_driver_unregister(&overo_panel_driver); |
| } |
| |
| module_init(overo_panel_drv_init); |
| module_exit(overo_panel_drv_exit); |