| Imre Deak | d64ca86 | 2007-07-17 04:06:06 -0700 | [diff] [blame] | 1 | /* | 
 | 2 |  * LCD panel support for the TI OMAP1610 Innovator board | 
 | 3 |  * | 
 | 4 |  * Copyright (C) 2004 Nokia Corporation | 
 | 5 |  * Author: Imre Deak <imre.deak@nokia.com> | 
 | 6 |  * | 
 | 7 |  * This program is free software; you can redistribute it and/or modify it | 
 | 8 |  * under the terms of the GNU General Public License as published by the | 
 | 9 |  * Free Software Foundation; either version 2 of the License, or (at your | 
 | 10 |  * option) any later version. | 
 | 11 |  * | 
 | 12 |  * This program is distributed in the hope that it will be useful, but | 
 | 13 |  * WITHOUT ANY WARRANTY; without even the implied warranty of | 
 | 14 |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
 | 15 |  * General Public License for more details. | 
 | 16 |  * | 
 | 17 |  * You should have received a copy of the GNU General Public License along | 
 | 18 |  * with this program; if not, write to the Free Software Foundation, Inc., | 
 | 19 |  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. | 
 | 20 |  */ | 
 | 21 |  | 
 | 22 | #include <linux/module.h> | 
 | 23 | #include <linux/platform_device.h> | 
 | 24 |  | 
| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 25 | #include <mach/gpio.h> | 
| Tomi Valkeinen | 91773a0 | 2009-08-03 15:06:36 +0300 | [diff] [blame] | 26 | #include "omapfb.h" | 
| Imre Deak | d64ca86 | 2007-07-17 04:06:06 -0700 | [diff] [blame] | 27 |  | 
 | 28 | #define MODULE_NAME	"omapfb-lcd_h3" | 
 | 29 |  | 
| Imre Deak | d64ca86 | 2007-07-17 04:06:06 -0700 | [diff] [blame] | 30 | static int innovator1610_panel_init(struct lcd_panel *panel, | 
 | 31 | 				    struct omapfb_device *fbdev) | 
 | 32 | { | 
 | 33 | 	int r = 0; | 
 | 34 |  | 
| David Brownell | 93a22f8 | 2008-10-15 22:03:15 -0700 | [diff] [blame] | 35 | 	if (gpio_request(14, "lcd_en0")) { | 
| Emil Medve | 1f7c823 | 2007-10-16 23:29:48 -0700 | [diff] [blame] | 36 | 		pr_err(MODULE_NAME ": can't request GPIO 14\n"); | 
| Imre Deak | d64ca86 | 2007-07-17 04:06:06 -0700 | [diff] [blame] | 37 | 		r = -1; | 
 | 38 | 		goto exit; | 
 | 39 | 	} | 
| David Brownell | 93a22f8 | 2008-10-15 22:03:15 -0700 | [diff] [blame] | 40 | 	if (gpio_request(15, "lcd_en1")) { | 
| Emil Medve | 1f7c823 | 2007-10-16 23:29:48 -0700 | [diff] [blame] | 41 | 		pr_err(MODULE_NAME ": can't request GPIO 15\n"); | 
| David Brownell | 93a22f8 | 2008-10-15 22:03:15 -0700 | [diff] [blame] | 42 | 		gpio_free(14); | 
| Imre Deak | d64ca86 | 2007-07-17 04:06:06 -0700 | [diff] [blame] | 43 | 		r = -1; | 
 | 44 | 		goto exit; | 
 | 45 | 	} | 
 | 46 | 	/* configure GPIO(14, 15) as outputs */ | 
| David Brownell | 93a22f8 | 2008-10-15 22:03:15 -0700 | [diff] [blame] | 47 | 	gpio_direction_output(14, 0); | 
 | 48 | 	gpio_direction_output(15, 0); | 
| Imre Deak | d64ca86 | 2007-07-17 04:06:06 -0700 | [diff] [blame] | 49 | exit: | 
 | 50 | 	return r; | 
 | 51 | } | 
 | 52 |  | 
 | 53 | static void innovator1610_panel_cleanup(struct lcd_panel *panel) | 
 | 54 | { | 
| David Brownell | 93a22f8 | 2008-10-15 22:03:15 -0700 | [diff] [blame] | 55 | 	gpio_free(15); | 
 | 56 | 	gpio_free(14); | 
| Imre Deak | d64ca86 | 2007-07-17 04:06:06 -0700 | [diff] [blame] | 57 | } | 
 | 58 |  | 
 | 59 | static int innovator1610_panel_enable(struct lcd_panel *panel) | 
 | 60 | { | 
 | 61 | 	/* set GPIO14 and GPIO15 high */ | 
| David Brownell | 93a22f8 | 2008-10-15 22:03:15 -0700 | [diff] [blame] | 62 | 	gpio_set_value(14, 1); | 
 | 63 | 	gpio_set_value(15, 1); | 
| Imre Deak | d64ca86 | 2007-07-17 04:06:06 -0700 | [diff] [blame] | 64 | 	return 0; | 
 | 65 | } | 
 | 66 |  | 
 | 67 | static void innovator1610_panel_disable(struct lcd_panel *panel) | 
 | 68 | { | 
 | 69 | 	/* set GPIO13, GPIO14 and GPIO15 low */ | 
| David Brownell | 93a22f8 | 2008-10-15 22:03:15 -0700 | [diff] [blame] | 70 | 	gpio_set_value(14, 0); | 
 | 71 | 	gpio_set_value(15, 0); | 
| Imre Deak | d64ca86 | 2007-07-17 04:06:06 -0700 | [diff] [blame] | 72 | } | 
 | 73 |  | 
 | 74 | static unsigned long innovator1610_panel_get_caps(struct lcd_panel *panel) | 
 | 75 | { | 
 | 76 | 	return 0; | 
 | 77 | } | 
 | 78 |  | 
 | 79 | struct lcd_panel innovator1610_panel = { | 
 | 80 | 	.name		= "inn1610", | 
 | 81 | 	.config		= OMAP_LCDC_PANEL_TFT, | 
 | 82 |  | 
 | 83 | 	.bpp		= 16, | 
 | 84 | 	.data_lines	= 16, | 
 | 85 | 	.x_res		= 320, | 
 | 86 | 	.y_res		= 240, | 
 | 87 | 	.pixel_clock	= 12500, | 
 | 88 | 	.hsw		= 40, | 
 | 89 | 	.hfp		= 40, | 
 | 90 | 	.hbp		= 72, | 
 | 91 | 	.vsw		= 1, | 
 | 92 | 	.vfp		= 1, | 
 | 93 | 	.vbp		= 0, | 
 | 94 | 	.pcd		= 12, | 
 | 95 |  | 
 | 96 | 	.init		= innovator1610_panel_init, | 
 | 97 | 	.cleanup	= innovator1610_panel_cleanup, | 
 | 98 | 	.enable		= innovator1610_panel_enable, | 
 | 99 | 	.disable	= innovator1610_panel_disable, | 
 | 100 | 	.get_caps	= innovator1610_panel_get_caps, | 
 | 101 | }; | 
 | 102 |  | 
 | 103 | static int innovator1610_panel_probe(struct platform_device *pdev) | 
 | 104 | { | 
 | 105 | 	omapfb_register_panel(&innovator1610_panel); | 
 | 106 | 	return 0; | 
 | 107 | } | 
 | 108 |  | 
 | 109 | static int innovator1610_panel_remove(struct platform_device *pdev) | 
 | 110 | { | 
 | 111 | 	return 0; | 
 | 112 | } | 
 | 113 |  | 
 | 114 | static int innovator1610_panel_suspend(struct platform_device *pdev, | 
 | 115 | 				       pm_message_t mesg) | 
 | 116 | { | 
 | 117 | 	return 0; | 
 | 118 | } | 
 | 119 |  | 
 | 120 | static int innovator1610_panel_resume(struct platform_device *pdev) | 
 | 121 | { | 
 | 122 | 	return 0; | 
 | 123 | } | 
 | 124 |  | 
 | 125 | struct platform_driver innovator1610_panel_driver = { | 
 | 126 | 	.probe		= innovator1610_panel_probe, | 
 | 127 | 	.remove		= innovator1610_panel_remove, | 
 | 128 | 	.suspend	= innovator1610_panel_suspend, | 
 | 129 | 	.resume		= innovator1610_panel_resume, | 
 | 130 | 	.driver		= { | 
 | 131 | 		.name	= "lcd_inn1610", | 
 | 132 | 		.owner	= THIS_MODULE, | 
 | 133 | 	}, | 
 | 134 | }; | 
 | 135 |  | 
| Peter Huewe | 3f6db50 | 2009-07-03 14:39:40 +0200 | [diff] [blame] | 136 | static int __init innovator1610_panel_drv_init(void) | 
| Imre Deak | d64ca86 | 2007-07-17 04:06:06 -0700 | [diff] [blame] | 137 | { | 
 | 138 | 	return platform_driver_register(&innovator1610_panel_driver); | 
 | 139 | } | 
 | 140 |  | 
| Peter Huewe | 3f6db50 | 2009-07-03 14:39:40 +0200 | [diff] [blame] | 141 | static void __exit innovator1610_panel_drv_cleanup(void) | 
| Imre Deak | d64ca86 | 2007-07-17 04:06:06 -0700 | [diff] [blame] | 142 | { | 
 | 143 | 	platform_driver_unregister(&innovator1610_panel_driver); | 
 | 144 | } | 
 | 145 |  | 
 | 146 | module_init(innovator1610_panel_drv_init); | 
 | 147 | module_exit(innovator1610_panel_drv_cleanup); | 
 | 148 |  |