wsdisplayvar.h revision 1.5
1 /* $NetBSD: wsdisplayvar.h,v 1.5 1998/06/26 21:10:52 drochner Exp $ */ 2 3 /* 4 * Copyright (c) 1996, 1997 Christopher G. Demetriou. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Christopher G. Demetriou 17 * for the NetBSD Project. 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 struct device; 34 35 /* 36 * WSDISPLAY interfaces 37 */ 38 39 /* 40 * Emulation functions, for displays that can support glass-tty terminal 41 * emulations. These are character oriented, with row and column 42 * numbers starting at zero in the upper left hand corner of the 43 * screen. 44 * 45 * These are used only when emulating a terminal. Therefore, displays 46 * drivers which cannot emulate terminals do not have to provide them. 47 * 48 * There is a "void *" cookie provided by the display driver associated 49 * with these functions, which is passed to them when they are invoked. 50 */ 51 struct wsdisplay_emulops { 52 void (*cursor) __P((void *c, int on, int row, int col)); 53 unsigned int (*mapchar) __P((void *, int)); 54 void (*putchar) __P((void *c, int row, int col, 55 u_int uc, long attr)); 56 void (*copycols) __P((void *c, int row, int srccol, int dstcol, 57 int ncols)); 58 void (*erasecols) __P((void *c, int row, int startcol, 59 int ncols, long)); 60 void (*copyrows) __P((void *c, int srcrow, int dstrow, 61 int nrows)); 62 void (*eraserows) __P((void *c, int row, int nrows, long)); 63 int (*alloc_attr) __P((void *c, int fg, int bg, int flags, long *)); 64 /* fg / bg values. Made identical to ANSI terminal color codes. */ 65 #define WSCOL_BLACK 0 66 #define WSCOL_RED 1 67 #define WSCOL_GREEN 2 68 #define WSCOL_BROWN 3 69 #define WSCOL_BLUE 4 70 #define WSCOL_MAGENTA 5 71 #define WSCOL_CYAN 6 72 #define WSCOL_WHITE 7 73 /* flag values: */ 74 #define WSATTR_REVERSE 1 75 #define WSATTR_HILIT 2 76 #define WSATTR_BLINK 4 77 #define WSATTR_UNDERLINE 8 78 #define WSATTR_WSCOLORS 16 79 /* XXX need a free_attr() ??? */ 80 }; 81 82 struct wsscreen_descr { 83 char *name; 84 int ncols, nrows; 85 const struct wsdisplay_emulops *textops; 86 int fontwidth, fontheight; 87 int capabilities; 88 #define WSSCREEN_WSCOLORS 1 /* minimal color capability */ 89 #define WSSCREEN_REVERSE 2 /* can display reversed */ 90 #define WSSCREEN_HILIT 4 /* can highlight (however) */ 91 #define WSSCREEN_BLINK 8 /* can blink */ 92 #define WSSCREEN_UNDERLINE 16 /* can underline */ 93 }; 94 95 /* 96 * Display access functions, invoked by user-land programs which require 97 * direct device access, such as X11. 98 * 99 * There is a "void *" cookie provided by the display driver associated 100 * with these functions, which is passed to them when they are invoked. 101 */ 102 struct wsdisplay_accessops { 103 int (*ioctl) __P((void *v, u_long cmd, caddr_t data, int flag, 104 struct proc *p)); 105 int (*mmap) __P((void *v, off_t off, int prot)); 106 int (*alloc_screen) __P((void *, const struct wsscreen_descr *, 107 void **, int *, int *, long *)); 108 void (*free_screen) __P((void *, void *)); 109 void (*show_screen) __P((void *, void *)); 110 int (*load_font) __P((void *, void *, int, int, int, void *)); 111 }; 112 113 /* 114 * Attachment information provided by wsdisplaydev devices when attaching 115 * wsdisplay units. 116 */ 117 struct wsdisplaydev_attach_args { 118 const struct wsdisplay_accessops *accessops; /* access ops */ 119 void *accesscookie; /* access cookie */ 120 }; 121 122 /* passed to wscons by the video driver to tell about its capabilities */ 123 struct wsscreen_list { 124 int nscreens; 125 const struct wsscreen_descr **screens; 126 }; 127 128 /* 129 * Attachment information provided by wsemuldisplaydev devices when attaching 130 * wsdisplay units. 131 */ 132 struct wsemuldisplaydev_attach_args { 133 int console; /* is it console? */ 134 const struct wsscreen_list *scrdata; /* screen cfg info */ 135 const struct wsdisplay_accessops *accessops; /* access ops */ 136 void *accesscookie; /* access cookie */ 137 }; 138 139 #define wsemuldisplaydevcf_console cf_loc[0] /* spec'd as console? */ 140 #define WSEMULDISPLAYDEVCF_CONSOLE_UNK -1 141 142 struct wscons_syncops { 143 int (*detach) __P((void *, int, void (*)(void *, int), void *)); 144 int (*attach) __P((void *, int)); 145 int (*check) __P((void *)); 146 void (*destroy) __P((void *)); 147 }; 148 149 /* 150 * Autoconfiguration helper functions. 151 */ 152 void wsdisplay_cnattach __P((const struct wsscreen_descr *, void *, 153 int, int, long)); 154 int wsdisplaydevprint __P((void *, const char *)); 155 int wsemuldisplaydevprint __P((void *, const char *)); 156 157 /* 158 * Console interface. 159 */ 160 void wsdisplay_cnputc __P((dev_t dev, int i)); 161 162 /* 163 * for use by compatibility code 164 */ 165 struct wsdisplay_softc; 166 struct wsscreen; 167 int wsscreen_attach_sync __P((struct wsscreen *, 168 const struct wscons_syncops *, void *)); 169 int wsscreen_detach_sync __P((struct wsscreen *)); 170 int wsscreen_lookup_sync __P((struct wsscreen *, 171 const struct wscons_syncops *, void **)); 172 173 int wsdisplay_maxscreenidx __P((struct wsdisplay_softc *)); 174 int wsdisplay_screenstate __P((struct wsdisplay_softc *, int)); 175 int wsdisplay_getactivescreen __P((struct wsdisplay_softc *)); 176 int wsscreen_switchwait __P((struct wsdisplay_softc *, int)); 177 178 int wsdisplay_internal_ioctl __P((struct wsdisplay_softc *sc, 179 struct wsscreen *, 180 u_long cmd, caddr_t data, 181 int flag, struct proc *p)); 182 183 int wsdisplay_usl_ioctl __P((struct wsdisplay_softc *, struct wsscreen *, 184 u_long, caddr_t, int, struct proc *)); 185
Indexes created Tue Sep 23 23:09:58 GMT 2025