Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758246AbZFXLhk (ORCPT ); Wed, 24 Jun 2009 07:37:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757216AbZFXLgT (ORCPT ); Wed, 24 Jun 2009 07:36:19 -0400 Received: from smtp.nokia.com ([192.100.122.230]:52523 "EHLO mgw-mx03.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752209AbZFXLgR (ORCPT ); Wed, 24 Jun 2009 07:36:17 -0400 From: Imre Deak To: Andrew Morton Cc: linux-kernel@vger.kernel.org, Krzysztof Helt , Antonino Daplas , Tony Lindgren , Tomi Valkeinen Subject: [PATCH 09/20] omapfb: Add support for the Gumstix Overo LCD Date: Wed, 24 Jun 2009 14:33:34 +0300 Message-Id: <726d4af0547b42ec8a9af7c6f0079cf9b7fadf5c.1245842329.git.imre.deak@nokia.com> X-Mailer: git-send-email 1.6.3.2 In-Reply-To: <6881ca5b34fcf36c3f39b13de85857dcc20f568d.1245842329.git.imre.deak@nokia.com> References: <1245843225-1036-1-git-send-email-imre.deak@nokia.com> <34904fad6190ff9d35eb942460ece639f4b7d58f.1245842329.git.imre.deak@nokia.com> <5cf7e298c3b70ad6e07d34034cc901689445e978.1245842329.git.imre.deak@nokia.com> <9cecdc5077b72042551eb8e3dc96911e9f4fa3fd.1245842329.git.imre.deak@nokia.com> <0e2b7b0555c657a8eab00df0091b9828fb292f4c.1245842329.git.imre.deak@nokia.com> <6881ca5b34fcf36c3f39b13de85857dcc20f568d.1245842329.git.imre.deak@nokia.com> In-Reply-To: <34904fad6190ff9d35eb942460ece639f4b7d58f.1245842329.git.imre.deak@nokia.com> References: <34904fad6190ff9d35eb942460ece639f4b7d58f.1245842329.git.imre.deak@nokia.com> X-OriginalArrivalTime: 24 Jun 2009 11:36:04.0675 (UTC) FILETIME=[F5376930:01C9F4BF] X-Nokia-AV: Clean Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 6270 Lines: 250 From: Steve Sakoman Signed-off-by: Steve Sakoman Signed-off-by: Tony Lindgren Signed-off-by: Imre Deak Acked-by: Krzysztof Helt --- drivers/video/omap/Kconfig | 21 +++++ drivers/video/omap/Makefile | 1 + drivers/video/omap/lcd_overo.c | 179 ++++++++++++++++++++++++++++++++++++++++ 3 files changed, 201 insertions(+), 0 deletions(-) create mode 100644 drivers/video/omap/lcd_overo.c diff --git a/drivers/video/omap/Kconfig b/drivers/video/omap/Kconfig index 574453f..eb05e09 100644 --- a/drivers/video/omap/Kconfig +++ b/drivers/video/omap/Kconfig @@ -7,6 +7,27 @@ config FB_OMAP help Frame buffer driver for OMAP based boards. +choice + depends on FB_OMAP && MACH_OVERO + prompt "Screen resolution" + default FB_OMAP_079M3R + help + Selected desired screen resolution + +config FB_OMAP_031M3R + boolean "640 x 480 @ 60 Hz Reduced blanking" + +config FB_OMAP_048M3R + boolean "800 x 600 @ 60 Hz Reduced blanking" + +config FB_OMAP_079M3R + boolean "1024 x 768 @ 60 Hz Reduced blanking" + +config FB_OMAP_092M9R + boolean "1280 x 720 @ 60 Hz Reduced blanking" + +endchoice + config FB_OMAP_LCD_MIPID bool "MIPI DBI-C/DCS compatible LCD support" depends on FB_OMAP && SPI_MASTER diff --git a/drivers/video/omap/Makefile b/drivers/video/omap/Makefile index 9ff1815..0d2996a 100644 --- a/drivers/video/omap/Makefile +++ b/drivers/video/omap/Makefile @@ -33,6 +33,7 @@ objs-y$(CONFIG_MACH_OMAP2EVM) += lcd_omap2evm.o objs-y$(CONFIG_MACH_OMAP3EVM) += lcd_omap3evm.o objs-y$(CONFIG_MACH_OMAP3_BEAGLE) += lcd_omap3beagle.o objs-y$(CONFIG_FB_OMAP_LCD_MIPID) += lcd_mipid.o +objs-y$(CONFIG_MACH_OVERO) += lcd_overo.o omapfb-objs := $(objs-yy) diff --git a/drivers/video/omap/lcd_overo.c b/drivers/video/omap/lcd_overo.c new file mode 100644 index 0000000..2bc5c92 --- /dev/null +++ b/drivers/video/omap/lcd_overo.c @@ -0,0 +1,179 @@ +/* + * LCD panel support for the Gumstix Overo + * + * Author: Steve Sakoman + * + * 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 +#include +#include + +#include +#include +#include +#include + +#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); -- 1.6.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/