+++ /dev/null
-/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
- *
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
- */
-/*
- * @OSF_COPYRIGHT@
- */
-/*
- * Mach Operating System
- * Copyright (c) 1991,1990,1989 Carnegie Mellon University
- * All Rights Reserved.
- *
- * Permission to use, copy, modify and distribute this software and its
- * documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation.
- *
- * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
- * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
- * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
- * Carnegie Mellon requests users of this software to return to
- *
- * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
- * School of Computer Science
- * Carnegie Mellon University
- * Pittsburgh PA 15213-3890
- *
- * any improvements or extensions that they make and grant Carnegie Mellon
- * the rights to redistribute these changes.
- */
-/*
- */
-/*
- * File: screen_switch.h
- * Author: Alessandro Forin, Carnegie Mellon University
- * Date: 10/90
- *
- * Definitions of things that must be tailored to
- * specific hardware boards for the Generic Screen Driver.
- */
-
-#ifndef SCREEN_SWITCH_H
-#define SCREEN_SWITCH_H 1
-
-#include <mach/boolean.h>
-
-/*
- * List of probe routines, scanned at cold-boot time
- * to see which, if any, graphic display is available.
- * This is done before autoconf, so that printing on
- * the console works early on. The alloc routine is
- * called only on the first device that answers.
- * Ditto for the setup routine, called later on.
- */
-struct screen_probe_vector {
- int (*probe)(void);
- unsigned int (*alloc)(void);
- int (*setup)(int, user_info_t);
-};
-
-/*
- * Low-level operations on the graphic device, used
- * by the otherwise device-independent interface code
- */
-
-/* Forward declaration of screen_softc_t */
-typedef struct screen_softc *screen_softc_t;
-
-struct screen_switch {
- int (*graphic_open)(void); /* when X11 opens */
- int (*graphic_close)(screen_softc_t); /* .. or closes */
- int (*set_status)(screen_softc_t,
- dev_flavor_t,
- dev_status_t,
- natural_t); /* dev-specific ops */
- int (*get_status)(screen_softc_t,
- dev_flavor_t,
- dev_status_t,
- natural_t*); /* dev-specific ops */
- int (*char_paint)(screen_softc_t,
- int,
- int,
- int); /* blitc */
- int (*pos_cursor)(void*,
- int,
- int); /* cursor positioning*/
- int (*insert_line)(screen_softc_t,
- short); /* ..and scroll down */
- int (*remove_line)(screen_softc_t,
- short); /* ..and scroll up */
- int (*clear_bitmap)(screen_softc_t); /* blank screen */
- int (*video_on)(void*,
- user_info_t*); /* screen saver */
- int (*video_off)(void*,
- user_info_t*);
- int (*intr_enable)(void*,
- boolean_t);
- int (*map_page)(screen_softc_t,
- vm_offset_t,
- int); /* user-space mapping*/
-};
-
-/*
- * Each graphic device needs page-aligned memory
- * to be mapped in user space later (for events
- * and such). Size and content of this memory
- * is unfortunately device-dependent, even if
- * it did not need to (puns).
- */
-extern char *screen_data;
-
-extern struct screen_probe_vector screen_probe_vector[];
-
-extern int screen_noop(void), screen_find(void);
-
-#endif /* SCREEN_SWITCH_H */
projects / apple / xnu.git / blobdiff