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omapfb: add support for the Gumstix Overo LCD
Signed-off-by: Steve Sakoman <steve@sakoman.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Imre Deak <imre.deak@nokia.com> Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Steve Sakoman
Linus Torvalds
parent
27969ccc28
commit
be481941c6
@ -7,6 +7,27 @@ config FB_OMAP
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help
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Frame buffer driver for OMAP based boards.
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choice
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depends on FB_OMAP && MACH_OVERO
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prompt "Screen resolution"
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default FB_OMAP_079M3R
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help
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Selected desired screen resolution
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config FB_OMAP_031M3R
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boolean "640 x 480 @ 60 Hz Reduced blanking"
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config FB_OMAP_048M3R
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boolean "800 x 600 @ 60 Hz Reduced blanking"
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config FB_OMAP_079M3R
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boolean "1024 x 768 @ 60 Hz Reduced blanking"
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config FB_OMAP_092M9R
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boolean "1280 x 720 @ 60 Hz Reduced blanking"
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endchoice
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config FB_OMAP_LCD_MIPID
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bool "MIPI DBI-C/DCS compatible LCD support"
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depends on FB_OMAP && SPI_MASTER
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@ -33,6 +33,7 @@ objs-y$(CONFIG_MACH_OMAP2EVM) += lcd_omap2evm.o
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objs-y$(CONFIG_MACH_OMAP3EVM) += lcd_omap3evm.o
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objs-y$(CONFIG_MACH_OMAP3_BEAGLE) += lcd_omap3beagle.o
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objs-y$(CONFIG_FB_OMAP_LCD_MIPID) += lcd_mipid.o
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objs-y$(CONFIG_MACH_OVERO) += lcd_overo.o
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omapfb-objs := $(objs-yy)
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179
drivers/video/omap/lcd_overo.c
Normal file
179
drivers/video/omap/lcd_overo.c
Normal file
@ -0,0 +1,179 @@
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/*
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* LCD panel support for the Gumstix Overo
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*
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* Author: Steve Sakoman <steve@sakoman.com>
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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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*/
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/i2c/twl4030.h>
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#include <mach/gpio.h>
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#include <mach/mux.h>
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#include <mach/omapfb.h>
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#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,
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struct omapfb_device *fbdev)
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{
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if ((gpio_request(LCD_ENABLE, "LCD_ENABLE") == 0) &&
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(gpio_direction_output(LCD_ENABLE, 1) == 0))
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gpio_export(LCD_ENABLE, 0);
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else
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printk(KERN_ERR "could not obtain gpio for LCD_ENABLE\n");
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return 0;
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}
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static void overo_panel_cleanup(struct lcd_panel *panel)
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{
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gpio_free(LCD_ENABLE);
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}
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static int overo_panel_enable(struct lcd_panel *panel)
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{
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gpio_set_value(LCD_ENABLE, 1);
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return 0;
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}
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static void overo_panel_disable(struct lcd_panel *panel)
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{
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gpio_set_value(LCD_ENABLE, 0);
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}
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static unsigned long overo_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 overo_panel = {
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.name = "overo",
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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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#if defined CONFIG_FB_OMAP_031M3R
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/* 640 x 480 @ 60 Hz Reduced blanking VESA CVT 0.31M3-R */
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.x_res = 640,
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.y_res = 480,
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.hfp = 48,
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.hsw = 32,
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.hbp = 80,
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.vfp = 3,
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.vsw = 4,
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.vbp = 7,
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.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 */
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.x_res = 800,
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.y_res = 600,
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.hfp = 48,
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.hsw = 32,
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.hbp = 80,
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.vfp = 3,
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.vsw = 4,
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.vbp = 11,
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.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 */
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.x_res = 1024,
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.y_res = 768,
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.hfp = 48,
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.hsw = 32,
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.hbp = 80,
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.vfp = 3,
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.vsw = 4,
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.vbp = 15,
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.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 */
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.x_res = 1280,
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.y_res = 720,
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.hfp = 48,
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.hsw = 32,
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.hbp = 80,
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.vfp = 3,
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.vsw = 5,
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.vbp = 13,
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.pixel_clock = 64000,
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#else
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/* use 640 x 480 if no config option */
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/* 640 x 480 @ 60 Hz Reduced blanking VESA CVT 0.31M3-R */
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.x_res = 640,
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.y_res = 480,
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.hfp = 48,
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.hsw = 32,
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.hbp = 80,
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.vfp = 3,
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.vsw = 4,
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.vbp = 7,
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.pixel_clock = 23500,
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#endif
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.init = overo_panel_init,
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.cleanup = overo_panel_cleanup,
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.enable = overo_panel_enable,
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.disable = overo_panel_disable,
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.get_caps = overo_panel_get_caps,
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};
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static int overo_panel_probe(struct platform_device *pdev)
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{
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omapfb_register_panel(&overo_panel);
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return 0;
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}
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static int overo_panel_remove(struct platform_device *pdev)
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{
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/* omapfb does not have unregister_panel */
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return 0;
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}
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static struct platform_driver overo_panel_driver = {
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.probe = overo_panel_probe,
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.remove = overo_panel_remove,
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.driver = {
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.name = "overo_lcd",
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.owner = THIS_MODULE,
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},
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};
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static int __init overo_panel_drv_init(void)
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{
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return platform_driver_register(&overo_panel_driver);
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}
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static void __exit overo_panel_drv_exit(void)
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{
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platform_driver_unregister(&overo_panel_driver);
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}
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module_init(overo_panel_drv_init);
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module_exit(overo_panel_drv_exit);
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