Jonathan McDowell | 92e0ed0 | 2009-09-22 16:46:44 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Based on drivers/video/omap/lcd_inn1510.c |
| 3 | * |
| 4 | * LCD panel support for the Amstrad E3 (Delta) videophone. |
| 5 | * |
| 6 | * Copyright (C) 2006 Jonathan McDowell <noodles@earth.li> |
| 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 | #include <linux/io.h> |
| 26 | #include <linux/delay.h> |
| 27 | |
Tony Lindgren | ce491cf | 2009-10-20 09:40:47 -0700 | [diff] [blame^] | 28 | #include <plat/board-ams-delta.h> |
Jonathan McDowell | 92e0ed0 | 2009-09-22 16:46:44 -0700 | [diff] [blame] | 29 | #include <mach/hardware.h> |
Tony Lindgren | ce491cf | 2009-10-20 09:40:47 -0700 | [diff] [blame^] | 30 | #include <plat/omapfb.h> |
Jonathan McDowell | 92e0ed0 | 2009-09-22 16:46:44 -0700 | [diff] [blame] | 31 | |
| 32 | #define AMS_DELTA_DEFAULT_CONTRAST 112 |
| 33 | |
| 34 | static int ams_delta_panel_init(struct lcd_panel *panel, |
| 35 | struct omapfb_device *fbdev) |
| 36 | { |
| 37 | return 0; |
| 38 | } |
| 39 | |
| 40 | static void ams_delta_panel_cleanup(struct lcd_panel *panel) |
| 41 | { |
| 42 | } |
| 43 | |
| 44 | static int ams_delta_panel_enable(struct lcd_panel *panel) |
| 45 | { |
| 46 | ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_NDISP, |
| 47 | AMS_DELTA_LATCH2_LCD_NDISP); |
| 48 | ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_VBLEN, |
| 49 | AMS_DELTA_LATCH2_LCD_VBLEN); |
| 50 | |
| 51 | omap_writeb(1, OMAP_PWL_CLK_ENABLE); |
| 52 | omap_writeb(AMS_DELTA_DEFAULT_CONTRAST, OMAP_PWL_ENABLE); |
| 53 | |
| 54 | return 0; |
| 55 | } |
| 56 | |
| 57 | static void ams_delta_panel_disable(struct lcd_panel *panel) |
| 58 | { |
| 59 | ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_VBLEN, 0); |
| 60 | ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_NDISP, 0); |
| 61 | } |
| 62 | |
| 63 | static unsigned long ams_delta_panel_get_caps(struct lcd_panel *panel) |
| 64 | { |
| 65 | return 0; |
| 66 | } |
| 67 | |
| 68 | static struct lcd_panel ams_delta_panel = { |
| 69 | .name = "ams-delta", |
| 70 | .config = 0, |
| 71 | |
| 72 | .bpp = 12, |
| 73 | .data_lines = 16, |
| 74 | .x_res = 480, |
| 75 | .y_res = 320, |
| 76 | .pixel_clock = 4687, |
| 77 | .hsw = 3, |
| 78 | .hfp = 1, |
| 79 | .hbp = 1, |
| 80 | .vsw = 1, |
| 81 | .vfp = 0, |
| 82 | .vbp = 0, |
| 83 | .pcd = 0, |
| 84 | .acb = 37, |
| 85 | |
| 86 | .init = ams_delta_panel_init, |
| 87 | .cleanup = ams_delta_panel_cleanup, |
| 88 | .enable = ams_delta_panel_enable, |
| 89 | .disable = ams_delta_panel_disable, |
| 90 | .get_caps = ams_delta_panel_get_caps, |
| 91 | }; |
| 92 | |
| 93 | static int ams_delta_panel_probe(struct platform_device *pdev) |
| 94 | { |
| 95 | omapfb_register_panel(&ams_delta_panel); |
| 96 | return 0; |
| 97 | } |
| 98 | |
| 99 | static int ams_delta_panel_remove(struct platform_device *pdev) |
| 100 | { |
| 101 | return 0; |
| 102 | } |
| 103 | |
| 104 | static int ams_delta_panel_suspend(struct platform_device *pdev, |
| 105 | pm_message_t mesg) |
| 106 | { |
| 107 | return 0; |
| 108 | } |
| 109 | |
| 110 | static int ams_delta_panel_resume(struct platform_device *pdev) |
| 111 | { |
| 112 | return 0; |
| 113 | } |
| 114 | |
| 115 | struct platform_driver ams_delta_panel_driver = { |
| 116 | .probe = ams_delta_panel_probe, |
| 117 | .remove = ams_delta_panel_remove, |
| 118 | .suspend = ams_delta_panel_suspend, |
| 119 | .resume = ams_delta_panel_resume, |
| 120 | .driver = { |
| 121 | .name = "lcd_ams_delta", |
| 122 | .owner = THIS_MODULE, |
| 123 | }, |
| 124 | }; |
| 125 | |
| 126 | static int ams_delta_panel_drv_init(void) |
| 127 | { |
| 128 | return platform_driver_register(&ams_delta_panel_driver); |
| 129 | } |
| 130 | |
| 131 | static void ams_delta_panel_drv_cleanup(void) |
| 132 | { |
| 133 | platform_driver_unregister(&ams_delta_panel_driver); |
| 134 | } |
| 135 | |
| 136 | module_init(ams_delta_panel_drv_init); |
| 137 | module_exit(ams_delta_panel_drv_cleanup); |