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yaml --- r: 164830 b: refs/heads/master c: be48194 h: refs/heads/master v: v3
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Steve Sakoman
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Linus Torvalds
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Sep 23, 2009
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refs/heads/master: 27969ccc2840c42bfbe4f55d08f0c7ec254d4e93 | ||
refs/heads/master: be481941c6ddfe96e5c17a5d6f077b00e7b7bdf1 |
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/* | ||
* 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. | ||
* | ||
*/ | ||
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#include <linux/module.h> | ||
#include <linux/platform_device.h> | ||
#include <linux/i2c/twl4030.h> | ||
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#include <mach/gpio.h> | ||
#include <mach/mux.h> | ||
#include <mach/omapfb.h> | ||
#include <asm/mach-types.h> | ||
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#define LCD_ENABLE 144 | ||
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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"); | ||
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return 0; | ||
} | ||
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static void overo_panel_cleanup(struct lcd_panel *panel) | ||
{ | ||
gpio_free(LCD_ENABLE); | ||
} | ||
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static int overo_panel_enable(struct lcd_panel *panel) | ||
{ | ||
gpio_set_value(LCD_ENABLE, 1); | ||
return 0; | ||
} | ||
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static void overo_panel_disable(struct lcd_panel *panel) | ||
{ | ||
gpio_set_value(LCD_ENABLE, 0); | ||
} | ||
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static unsigned long overo_panel_get_caps(struct lcd_panel *panel) | ||
{ | ||
return 0; | ||
} | ||
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struct lcd_panel overo_panel = { | ||
.name = "overo", | ||
.config = OMAP_LCDC_PANEL_TFT, | ||
.bpp = 16, | ||
.data_lines = 24, | ||
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#if defined CONFIG_FB_OMAP_031M3R | ||
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/* 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, | ||
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#elif defined CONFIG_FB_OMAP_048M3R | ||
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/* 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, | ||
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#elif defined CONFIG_FB_OMAP_079M3R | ||
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/* 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, | ||
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#elif defined CONFIG_FB_OMAP_092M9R | ||
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/* 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, | ||
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#else | ||
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/* 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, | ||
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#endif | ||
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.init = overo_panel_init, | ||
.cleanup = overo_panel_cleanup, | ||
.enable = overo_panel_enable, | ||
.disable = overo_panel_disable, | ||
.get_caps = overo_panel_get_caps, | ||
}; | ||
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static int overo_panel_probe(struct platform_device *pdev) | ||
{ | ||
omapfb_register_panel(&overo_panel); | ||
return 0; | ||
} | ||
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static int overo_panel_remove(struct platform_device *pdev) | ||
{ | ||
/* omapfb does not have unregister_panel */ | ||
return 0; | ||
} | ||
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static struct platform_driver overo_panel_driver = { | ||
.probe = overo_panel_probe, | ||
.remove = overo_panel_remove, | ||
.driver = { | ||
.name = "overo_lcd", | ||
.owner = THIS_MODULE, | ||
}, | ||
}; | ||
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static int __init overo_panel_drv_init(void) | ||
{ | ||
return platform_driver_register(&overo_panel_driver); | ||
} | ||
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static void __exit overo_panel_drv_exit(void) | ||
{ | ||
platform_driver_unregister(&overo_panel_driver); | ||
} | ||
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module_init(overo_panel_drv_init); | ||
module_exit(overo_panel_drv_exit); |