/* * Copyright (C) 2006 James Simmons <jsimmons@infradead.org> * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or (at * your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ #ifndef _LINUX_DISPLAY_H #define _LINUX_DISPLAY_H #include <linux/device.h> struct display_device; /* This structure defines all the properties of a Display. */ struct display_driver { int (*set_contrast)(struct display_device *, unsigned int); int (*get_contrast)(struct display_device *); void (*suspend)(struct display_device *, pm_message_t state); void (*resume)(struct display_device *); int (*probe)(struct display_device *, void *); int (*remove)(struct display_device *); int max_contrast; }; struct display_device { struct module *owner; /* Owner module */ struct display_driver *driver; struct device *parent; /* This is the parent */ struct device *dev; /* This is this display device */ struct mutex lock; void *priv_data; char type[16]; char *name; int idx; }; extern struct display_device *display_device_register(struct display_driver *driver, struct device *dev, void *devdata); extern void display_device_unregister(struct display_device *dev); extern int probe_edid(struct display_device *dev, void *devdata); #define to_display_device(obj) container_of(obj, struct display_device, class_dev) #endif