projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 107cc64b DB |
1 | /* |
| 2 | * LCD panel support for the TI OMAP OSK board | |
| 3 | * | |
| 4 | * Copyright (C) 2004 Nokia Corporation | |
| 5 | * Author: Imre Deak <imre.deak@nokia.com> | |
| 6 | * Adapted for OSK by <dirk.behme@de.bosch.com> | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or modify it | |
| 9 | * under the terms of the GNU General Public License as published by the | |
| 10 | * Free Software Foundation; either version 2 of the License, or (at your | |
| 11 | * option) any later version. | |
| 12 | * | |
| 13 | * This program is distributed in the hope that it will be useful, but | |
| 14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 16 | * General Public License for more details. | |
| 17 | * | |
| 18 | * You should have received a copy of the GNU General Public License along | |
| 19 | * with this program; if not, write to the Free Software Foundation, Inc., | |
| 20 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
| 21 | */ | |
| 22 | ||
| 23 | #include <linux/module.h> | |
| 24 | #include <linux/platform_device.h> | |
| 25 | ||
| a09e64fb | 26 | #include <mach/gpio.h> |
| ce491cf8 | 27 | #include <plat/mux.h> |
| 91773a00 | 28 | #include "omapfb.h" |
| 107cc64b DB |
29 | |
| 30 | static int osk_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev) | |
| 31 | { | |
| 93a22f8b | 32 | /* gpio2 was allocated in board init */ |
| 107cc64b DB |
33 | return 0; |
| 34 | } | |
| 35 | ||
| 36 | static void osk_panel_cleanup(struct lcd_panel *panel) | |
| 37 | { | |
| 38 | } | |
| 39 | ||
| 40 | static int osk_panel_enable(struct lcd_panel *panel) | |
| 41 | { | |
| 42 | /* configure PWL pin */ | |
| 43 | omap_cfg_reg(PWL); | |
| 44 | ||
| 45 | /* Enable PWL unit */ | |
| 46 | omap_writeb(0x01, OMAP_PWL_CLK_ENABLE); | |
| 47 | ||
| 48 | /* Set PWL level */ | |
| 49 | omap_writeb(0xFF, OMAP_PWL_ENABLE); | |
| 50 | ||
| 93a22f8b DB |
51 | /* set GPIO2 high (lcd power enabled) */ |
| 52 | gpio_set_value(2, 1); | |
| 107cc64b DB |
53 | |
| 54 | return 0; | |
| 55 | } | |
| 56 | ||
| 57 | static void osk_panel_disable(struct lcd_panel *panel) | |
| 58 | { | |
| 59 | /* Set PWL level to zero */ | |
| 60 | omap_writeb(0x00, OMAP_PWL_ENABLE); | |
| 61 | ||
| 62 | /* Disable PWL unit */ | |
| 63 | omap_writeb(0x00, OMAP_PWL_CLK_ENABLE); | |
| 64 | ||
| 65 | /* set GPIO2 low */ | |
| 93a22f8b | 66 | gpio_set_value(2, 0); |
| 107cc64b DB |
67 | } |
| 68 | ||
| 69 | static unsigned long osk_panel_get_caps(struct lcd_panel *panel) | |
| 70 | { | |
| 71 | return 0; | |
| 72 | } | |
| 73 | ||
| 74 | struct lcd_panel osk_panel = { | |
| 75 | .name = "osk", | |
| 76 | .config = OMAP_LCDC_PANEL_TFT, | |
| 77 | ||
| 78 | .bpp = 16, | |
| 79 | .data_lines = 16, | |
| 80 | .x_res = 240, | |
| 81 | .y_res = 320, | |
| 82 | .pixel_clock = 12500, | |
| 83 | .hsw = 40, | |
| 84 | .hfp = 40, | |
| 85 | .hbp = 72, | |
| 86 | .vsw = 1, | |
| 87 | .vfp = 1, | |
| 88 | .vbp = 0, | |
| 89 | .pcd = 12, | |
| 90 | ||
| 91 | .init = osk_panel_init, | |
| 92 | .cleanup = osk_panel_cleanup, | |
| 93 | .enable = osk_panel_enable, | |
| 94 | .disable = osk_panel_disable, | |
| 95 | .get_caps = osk_panel_get_caps, | |
| 96 | }; | |
| 97 | ||
| 98 | static int osk_panel_probe(struct platform_device *pdev) | |
| 99 | { | |
| 100 | omapfb_register_panel(&osk_panel); | |
| 101 | return 0; | |
| 102 | } | |
| 103 | ||
| 104 | static int osk_panel_remove(struct platform_device *pdev) | |
| 105 | { | |
| 106 | return 0; | |
| 107 | } | |
| 108 | ||
| 109 | static int osk_panel_suspend(struct platform_device *pdev, pm_message_t mesg) | |
| 110 | { | |
| 111 | return 0; | |
| 112 | } | |
| 113 | ||
| 114 | static int osk_panel_resume(struct platform_device *pdev) | |
| 115 | { | |
| 116 | return 0; | |
| 117 | } | |
| 118 | ||
| 119 | struct platform_driver osk_panel_driver = { | |
| 120 | .probe = osk_panel_probe, | |
| 121 | .remove = osk_panel_remove, | |
| 122 | .suspend = osk_panel_suspend, | |
| 123 | .resume = osk_panel_resume, | |
| 124 | .driver = { | |
| 125 | .name = "lcd_osk", | |
| 126 | .owner = THIS_MODULE, | |
| 127 | }, | |
| 128 | }; | |
| 129 | ||
| 3f6db50f | 130 | static int __init osk_panel_drv_init(void) |
| 107cc64b DB |
131 | { |
| 132 | return platform_driver_register(&osk_panel_driver); | |
| 133 | } | |
| 134 | ||
| 3f6db50f | 135 | static void __exit osk_panel_drv_cleanup(void) |
| 107cc64b DB |
136 | { |
| 137 | platform_driver_unregister(&osk_panel_driver); | |
| 138 | } | |
| 139 | ||
| 140 | module_init(osk_panel_drv_init); | |
| 141 | module_exit(osk_panel_drv_cleanup); | |
| 142 |