git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ee12163 JS |
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 |