1 /* $NetBSD: viewioctl.h,v 1.12 2023/03/26 15:24:22 andvar Exp $ */ 2 3 /* 4 * Copyright (c) 1994 Christian E. Hopps 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Christian E. Hopps. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * The view major device is a placeholder device. It serves 35 * simply to map the semantics of a graphics display to 36 * the semantics of a character block device. In other 37 * words the graphics system as currently built does not like to be 38 * referred to by open/close/ioctl. This device serves as 39 * a interface to graphics. 40 */ 41 42 #include <sys/ioccom.h> 43 44 struct view_size { 45 int x; 46 int y; 47 u_int width; 48 u_int height; 49 u_int depth; 50 }; 51 52 #define VIOCREMOVE _IO('V', 0x0) /* if displaying remove. */ 53 #define VIOCDISPLAY _IO('V', 0x1) /* if not displaying, display */ 54 #define VIOCSSIZE _IOW('V', 0x2, struct view_size) 55 #define VIOCGSIZE _IOR('V', 0x3, struct view_size) 56 #define VIOCGBMAP _IOR('V', 0x4, bmap_t) 57 #define VIOCSCMAP _IOW('V', 0x5, colormap_t) 58 #define VIOCGCMAP _IOWR('V', 0x6, colormap_t) 59 60 #ifdef _KERNEL 61 void viewprobe(void); 62 #endif 63