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/* $NetBSD: viewvar.h,v 1.2 1995/05/28 19:45:43 leo Exp $ */
/*
* Copyright (c) 1994 Christian E. Hopps
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Christian E. Hopps.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* The view major device is a placeholder device. It serves
* simply to map the semantics of a graphics dipslay to
* the semantics of a character block device. In other
* words the graphics system as currently built does not like to be
* refered to by open/close/ioctl. This device serves as
* a interface to graphics. */
struct view_softc {
struct view_size size;
view_t *view;
pid_t lock_process;
int flags;
};
enum view_unit_flag_bits {
VUB_OPEN,
VUB_ADDED,
VUB_DISPLAY,
VUB_LAST_BIT
};
enum view_unit_flags {
VUF_OPEN = 1<<VUB_OPEN,
VUF_ADDED = 1<<VUB_ADDED,
VUF_DISPLAY = 1<<VUB_DISPLAY,
VUF_MASK = ((1<<VUB_LAST_BIT)-1)
};
#ifdef _KERNEL
view_t *viewview __P((dev_t));
#endif /* _KERNEL */
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