wsdisplayvar.h revision 1.4
1 /* $NetBSD: wsdisplayvar.h,v 1.4 1998/06/20 21:52:50 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 void (*putchar) __P((void *c, int row, int col, 54 u_int uc, long attr)); 55 void (*copycols) __P((void *c, int row, int srccol, int dstcol, 56 int ncols)); 57 void (*erasecols) __P((void *c, int row, int startcol, 58 int ncols, long)); 59 void (*copyrows) __P((void *c, int srcrow, int dstrow, 60 int nrows)); 61 void (*eraserows) __P((void *c, int row, int nrows, long)); 62 int (*alloc_attr) __P((void *c, int fg, int bg, int flags, long *)); 63 /* fg / bg values. Made identical to ANSI terminal color codes. */ 64 #define WSCOL_BLACK 0 65 #define WSCOL_RED 1 66 #define WSCOL_GREEN 2 67 #define WSCOL_BROWN 3 68 #define WSCOL_BLUE 4 69 #define WSCOL_MAGENTA 5 70 #define WSCOL_CYAN 6 71 #define WSCOL_WHITE 7 72 /* flag values: */ 73 #define WSATTR_REVERSE 1 74 #define WSATTR_HILIT 2 75 #define WSATTR_BLINK 4 76 #define WSATTR_UNDERLINE 8 77 #define WSATTR_WSCOLORS 16 78 /* XXX need a free_attr() ??? */ 79 }; 80 81 struct wsscreen_descr { 82 char *name; 83 int ncols, nrows; 84 const struct wsdisplay_emulops *textops; 85 int fontwidth, fontheight; 86 int capabilities; 87 #define WSSCREEN_WSCOLORS 1 /* minimal color capability */ 88 #define WSSCREEN_REVERSE 2 /* can display reversed */ 89 #define WSSCREEN_HILIT 4 /* can highlight (however) */ 90 #define WSSCREEN_BLINK 8 /* can blink */ 91 #define WSSCREEN_UNDERLINE 16 /* can underline */ 92 }; 93 94 /* 95 * Display access functions, invoked by user-land programs which require 96 * direct device access, such as X11. 97 * 98 * There is a "void *" cookie provided by the display driver associated 99 * with these functions, which is passed to them when they are invoked. 100 */ 101 struct wsdisplay_accessops { 102 int (*ioctl) __P((void *v, u_long cmd, caddr_t data, int flag, 103 struct proc *p)); 104 int (*mmap) __P((void *v, off_t off, int prot)); 105 int (*alloc_screen) __P((void *, const struct wsscreen_descr *, 106 void **, int *, int *, long *)); 107 void (*free_screen) __P((void *, void *)); 108 void (*show_screen) __P((void *, void *)); 109 int (*load_font) __P((void *, void *, int, int, int, void *)); 110 }; 111 112 /* 113 * Attachment information provided by wsdisplaydev devices when attaching 114 * wsdisplay units. 115 */ 116 struct wsdisplaydev_attach_args { 117 const struct wsdisplay_accessops *accessops; /* access ops */ 118 void *accesscookie; /* access cookie */ 119 }; 120 121 /* passed to wscons by the video driver to tell about its capabilities */ 122 struct wsscreen_list { 123 int nscreens; 124 const struct wsscreen_descr **screens; 125 }; 126 127 /* 128 * Attachment information provided by wsemuldisplaydev devices when attaching 129 * wsdisplay units. 130 */ 131 struct wsemuldisplaydev_attach_args { 132 int console; /* is it console? */ 133 const struct wsscreen_list *scrdata; /* screen cfg info */ 134 const struct wsdisplay_accessops *accessops; /* access ops */ 135 void *accesscookie; /* access cookie */ 136 }; 137 138 #define wsemuldisplaydevcf_console cf_loc[0] /* spec'd as console? */ 139 #define WSEMULDISPLAYDEVCF_CONSOLE_UNK -1 140 141 struct wscons_syncops { 142 int (*detach) __P((void *, int, void (*)(void *, int), void *)); 143 int (*attach) __P((void *, int)); 144 int (*check) __P((void *)); 145 void (*destroy) __P((void *)); 146 }; 147 148 /* 149 * Autoconfiguration helper functions. 150 */ 151 void wsdisplay_cnattach __P((const struct wsscreen_descr *, void *, 152 int, int, long)); 153 int wsdisplaydevprint __P((void *, const char *)); 154 int wsemuldisplaydevprint __P((void *, const char *)); 155 156 /* 157 * Console interface. 158 */ 159 void wsdisplay_cnputc __P((dev_t dev, int i)); 160 161 /* 162 * for use by compatibility code 163 */ 164 struct wsdisplay_softc; 165 struct wsscreen; 166 int wsscreen_attach_sync __P((struct wsscreen *, 167 const struct wscons_syncops *, void *)); 168 int wsscreen_detach_sync __P((struct wsscreen *)); 169 int wsscreen_lookup_sync __P((struct wsscreen *, 170 const struct wscons_syncops *, void **)); 171 172 int wsdisplay_maxscreenidx __P((struct wsdisplay_softc *)); 173 int wsdisplay_screenstate __P((struct wsdisplay_softc *, int)); 174 int wsdisplay_getactivescreen __P((struct wsdisplay_softc *)); 175 int wsscreen_switchwait __P((struct wsdisplay_softc *, int)); 176 177 int wsdisplay_internal_ioctl __P((struct wsdisplay_softc *sc, 178 struct wsscreen *, 179 u_long cmd, caddr_t data, 180 int flag, struct proc *p)); 181 182 int wsdisplay_usl_ioctl __P((struct wsdisplay_softc *, struct wsscreen *, 183 u_long, caddr_t, int, struct proc *)); 184
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