| Imre Deak | 65316c9 | 2007-07-17 04:06:04 -0700 | [diff] [blame] | 1 | /* | 
|  | 2 | * LCD panel support for the TI OMAP H3 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> | 
| David Brownell | 6d16bfb | 2008-01-27 18:14:49 +0100 | [diff] [blame] | 24 | #include <linux/i2c/tps65010.h> | 
| Imre Deak | 65316c9 | 2007-07-17 04:06:04 -0700 | [diff] [blame] | 25 |  | 
| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 26 | #include <mach/gpio.h> | 
| Tomi Valkeinen | 91773a0 | 2009-08-03 15:06:36 +0300 | [diff] [blame] | 27 | #include "omapfb.h" | 
| Imre Deak | 65316c9 | 2007-07-17 04:06:04 -0700 | [diff] [blame] | 28 |  | 
|  | 29 | #define MODULE_NAME	"omapfb-lcd_h3" | 
|  | 30 |  | 
| Imre Deak | 65316c9 | 2007-07-17 04:06:04 -0700 | [diff] [blame] | 31 | static int h3_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev) | 
|  | 32 | { | 
|  | 33 | return 0; | 
|  | 34 | } | 
|  | 35 |  | 
|  | 36 | static void h3_panel_cleanup(struct lcd_panel *panel) | 
|  | 37 | { | 
|  | 38 | } | 
|  | 39 |  | 
|  | 40 | static int h3_panel_enable(struct lcd_panel *panel) | 
|  | 41 | { | 
|  | 42 | int r = 0; | 
|  | 43 |  | 
|  | 44 | /* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */ | 
|  | 45 | r = tps65010_set_gpio_out_value(GPIO1, HIGH); | 
|  | 46 | if (!r) | 
|  | 47 | r = tps65010_set_gpio_out_value(GPIO2, HIGH); | 
|  | 48 | if (r) | 
| Emil Medve | 1f7c823 | 2007-10-16 23:29:48 -0700 | [diff] [blame] | 49 | pr_err(MODULE_NAME ": Unable to turn on LCD panel\n"); | 
| Imre Deak | 65316c9 | 2007-07-17 04:06:04 -0700 | [diff] [blame] | 50 |  | 
|  | 51 | return r; | 
|  | 52 | } | 
|  | 53 |  | 
|  | 54 | static void h3_panel_disable(struct lcd_panel *panel) | 
|  | 55 | { | 
|  | 56 | int r = 0; | 
|  | 57 |  | 
|  | 58 | /* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */ | 
|  | 59 | r = tps65010_set_gpio_out_value(GPIO1, LOW); | 
|  | 60 | if (!r) | 
|  | 61 | tps65010_set_gpio_out_value(GPIO2, LOW); | 
|  | 62 | if (r) | 
| Emil Medve | 1f7c823 | 2007-10-16 23:29:48 -0700 | [diff] [blame] | 63 | pr_err(MODULE_NAME ": Unable to turn off LCD panel\n"); | 
| Imre Deak | 65316c9 | 2007-07-17 04:06:04 -0700 | [diff] [blame] | 64 | } | 
|  | 65 |  | 
|  | 66 | static unsigned long h3_panel_get_caps(struct lcd_panel *panel) | 
|  | 67 | { | 
|  | 68 | return 0; | 
|  | 69 | } | 
|  | 70 |  | 
|  | 71 | struct lcd_panel h3_panel = { | 
|  | 72 | .name		= "h3", | 
|  | 73 | .config		= OMAP_LCDC_PANEL_TFT, | 
|  | 74 |  | 
|  | 75 | .data_lines	= 16, | 
|  | 76 | .bpp		= 16, | 
|  | 77 | .x_res		= 240, | 
|  | 78 | .y_res		= 320, | 
|  | 79 | .pixel_clock	= 12000, | 
|  | 80 | .hsw		= 12, | 
|  | 81 | .hfp		= 14, | 
|  | 82 | .hbp		= 72 - 12, | 
|  | 83 | .vsw		= 1, | 
|  | 84 | .vfp		= 1, | 
|  | 85 | .vbp		= 0, | 
|  | 86 | .pcd		= 0, | 
|  | 87 |  | 
|  | 88 | .init		= h3_panel_init, | 
|  | 89 | .cleanup	= h3_panel_cleanup, | 
|  | 90 | .enable		= h3_panel_enable, | 
|  | 91 | .disable	= h3_panel_disable, | 
|  | 92 | .get_caps	= h3_panel_get_caps, | 
|  | 93 | }; | 
|  | 94 |  | 
|  | 95 | static int h3_panel_probe(struct platform_device *pdev) | 
|  | 96 | { | 
|  | 97 | omapfb_register_panel(&h3_panel); | 
|  | 98 | return 0; | 
|  | 99 | } | 
|  | 100 |  | 
|  | 101 | static int h3_panel_remove(struct platform_device *pdev) | 
|  | 102 | { | 
|  | 103 | return 0; | 
|  | 104 | } | 
|  | 105 |  | 
|  | 106 | static int h3_panel_suspend(struct platform_device *pdev, pm_message_t mesg) | 
|  | 107 | { | 
|  | 108 | return 0; | 
|  | 109 | } | 
|  | 110 |  | 
|  | 111 | static int h3_panel_resume(struct platform_device *pdev) | 
|  | 112 | { | 
|  | 113 | return 0; | 
|  | 114 | } | 
|  | 115 |  | 
|  | 116 | struct platform_driver h3_panel_driver = { | 
|  | 117 | .probe		= h3_panel_probe, | 
|  | 118 | .remove		= h3_panel_remove, | 
|  | 119 | .suspend	= h3_panel_suspend, | 
|  | 120 | .resume		= h3_panel_resume, | 
|  | 121 | .driver		= { | 
|  | 122 | .name	= "lcd_h3", | 
|  | 123 | .owner	= THIS_MODULE, | 
|  | 124 | }, | 
|  | 125 | }; | 
|  | 126 |  | 
| Peter Huewe | 3f6db50 | 2009-07-03 14:39:40 +0200 | [diff] [blame] | 127 | static int __init h3_panel_drv_init(void) | 
| Imre Deak | 65316c9 | 2007-07-17 04:06:04 -0700 | [diff] [blame] | 128 | { | 
|  | 129 | return platform_driver_register(&h3_panel_driver); | 
|  | 130 | } | 
|  | 131 |  | 
| Peter Huewe | 3f6db50 | 2009-07-03 14:39:40 +0200 | [diff] [blame] | 132 | static void __exit h3_panel_drv_cleanup(void) | 
| Imre Deak | 65316c9 | 2007-07-17 04:06:04 -0700 | [diff] [blame] | 133 | { | 
|  | 134 | platform_driver_unregister(&h3_panel_driver); | 
|  | 135 | } | 
|  | 136 |  | 
|  | 137 | module_init(h3_panel_drv_init); | 
|  | 138 | module_exit(h3_panel_drv_cleanup); | 
|  | 139 |  |