| James Simmons | 2ee1216 | 2007-05-08 00:37:15 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2006 James Simmons <jsimmons@infradead.org> |
| 3 | * |
| 4 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or (at |
| 9 | * your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, but |
| 12 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License along |
| 17 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 18 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. |
| 19 | * |
| 20 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 21 | */ |
| 22 | |
| 23 | #ifndef _LINUX_DISPLAY_H |
| 24 | #define _LINUX_DISPLAY_H |
| 25 | |
| 26 | #include <linux/device.h> |
| 27 | |
| 28 | struct display_device; |
| 29 | |
| 30 | /* This structure defines all the properties of a Display. */ |
| 31 | struct display_driver { |
| 32 | int (*set_contrast)(struct display_device *, unsigned int); |
| 33 | int (*get_contrast)(struct display_device *); |
| 34 | void (*suspend)(struct display_device *, pm_message_t state); |
| 35 | void (*resume)(struct display_device *); |
| 36 | int (*probe)(struct display_device *, void *); |
| 37 | int (*remove)(struct display_device *); |
| 38 | int max_contrast; |
| 39 | }; |
| 40 | |
| 41 | struct display_device { |
| 42 | struct module *owner; /* Owner module */ |
| 43 | struct display_driver *driver; |
| 44 | struct device *parent; /* This is the parent */ |
| 45 | struct device *dev; /* This is this display device */ |
| 46 | struct mutex lock; |
| 47 | void *priv_data; |
| 48 | char type[16]; |
| 49 | char *name; |
| 50 | int idx; |
| 51 | }; |
| 52 | |
| 53 | extern struct display_device *display_device_register(struct display_driver *driver, |
| 54 | struct device *dev, void *devdata); |
| 55 | extern void display_device_unregister(struct display_device *dev); |
| 56 | |
| 57 | extern int probe_edid(struct display_device *dev, void *devdata); |
| 58 | |
| 59 | #define to_display_device(obj) container_of(obj, struct display_device, class_dev) |
| 60 | |
| 61 | #endif |