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