wsdisplayvar.h revision 1.41
1 /* $NetBSD: wsdisplayvar.h,v 1.41 2006/11/06 19:51:12 macallan 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 #ifndef _DEV_WSCONS_WSDISPLAYVAR_H 34 #define _DEV_WSCONS_WSDISPLAYVAR_H 35 36 struct device; 37 38 /* 39 * WSDISPLAY interfaces 40 */ 41 42 /* 43 * Emulation functions, for displays that can support glass-tty terminal 44 * emulations. These are character oriented, with row and column 45 * numbers starting at zero in the upper left hand corner of the 46 * screen. 47 * 48 * These are used only when emulating a terminal. Therefore, displays 49 * drivers which cannot emulate terminals do not have to provide them. 50 * 51 * There is a "void *" cookie provided by the display driver associated 52 * with these functions, which is passed to them when they are invoked. 53 */ 54 struct wsdisplay_emulops { 55 void (*cursor)(void *, int, int, int); 56 int (*mapchar)(void *, int, unsigned int *); 57 void (*putchar)(void *, int, int, u_int, long); 58 void (*copycols)(void *, int, int, int, int); 59 void (*erasecols)(void *, int, int, int, long); 60 void (*copyrows)(void *, int, int, int); 61 void (*eraserows)(void *, int, int, long); 62 int (*allocattr)(void *, int, int, int, 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 #define WSCOL_LIGHT_GREY (WSCOL_BLACK+8) 73 #define WSCOL_LIGHT_RED (WSCOL_RED+8) 74 #define WSCOL_LIGHT_GREEN (WSCOL_GREEN+8) 75 #define WSCOL_LIGHT_BROWN (WSCOL_BROWN+8) 76 #define WSCOL_LIGHT_BLUE (WSCOL_BLUE+8) 77 #define WSCOL_LIGHT_MAGENTA (WSCOL_MAGENTA+8) 78 #define WSCOL_LIGHT_CYAN (WSCOL_CYAN+8) 79 #define WSCOL_LIGHT_WHITE (WSCOL_WHITE+8) 80 /* flag values: */ 81 #define WSATTR_REVERSE 1 82 #define WSATTR_HILIT 2 83 #define WSATTR_BLINK 4 84 #define WSATTR_UNDERLINE 8 85 #define WSATTR_WSCOLORS 16 86 /* XXX need a free_attr() ??? */ 87 void (*replaceattr)(void *, long, long); 88 }; 89 90 struct wsscreen_descr { 91 const char *name; 92 int ncols, nrows; 93 const struct wsdisplay_emulops *textops; 94 int fontwidth, fontheight; 95 int capabilities; 96 #define WSSCREEN_WSCOLORS 1 /* minimal color capability */ 97 #define WSSCREEN_REVERSE 2 /* can display reversed */ 98 #define WSSCREEN_HILIT 4 /* can highlight (however) */ 99 #define WSSCREEN_BLINK 8 /* can blink */ 100 #define WSSCREEN_UNDERLINE 16 /* can underline */ 101 void *modecookie; 102 }; 103 104 struct wsdisplay_font; 105 struct wsdisplay_char; 106 /* 107 * Display access functions, invoked by user-land programs which require 108 * direct device access, such as X11. 109 * 110 * There is a "void *" cookie provided by the display driver associated 111 * with these functions, which is passed to them when they are invoked. 112 */ 113 struct wsdisplay_accessops { 114 int (*ioctl)(void *, void *, u_long, caddr_t, int, struct lwp *); 115 paddr_t (*mmap)(void *, void *, off_t, int); 116 int (*alloc_screen)(void *, const struct wsscreen_descr *, 117 void **, int *, int *, long *); 118 void (*free_screen)(void *, void *); 119 int (*show_screen)(void *, void *, int, 120 void (*)(void *, int, int), void *); 121 int (*load_font)(void *, void *, struct wsdisplay_font *); 122 void (*pollc)(void *, int); 123 void (*scroll)(void *, void *, int); 124 }; 125 126 /* 127 * Attachment information provided by wsdisplaydev devices when attaching 128 * wsdisplay units. 129 */ 130 struct wsdisplaydev_attach_args { 131 const struct wsdisplay_accessops *accessops; /* access ops */ 132 void *accesscookie; /* access cookie */ 133 }; 134 135 /* passed to wscons by the video driver to tell about its capabilities */ 136 struct wsscreen_list { 137 int nscreens; 138 const struct wsscreen_descr **screens; 139 }; 140 141 /* 142 * Attachment information provided by wsemuldisplaydev devices when attaching 143 * wsdisplay units. 144 */ 145 struct wsemuldisplaydev_attach_args { 146 int console; /* is it console? */ 147 const struct wsscreen_list *scrdata; /* screen cfg info */ 148 const struct wsdisplay_accessops *accessops; /* access ops */ 149 void *accesscookie; /* access cookie */ 150 }; 151 152 #include "locators.h" 153 154 #define wsemuldisplaydevcf_console cf_loc[WSEMULDISPLAYDEVCF_CONSOLE] /* spec'd as console? */ 155 #define WSEMULDISPLAYDEVCF_CONSOLE_UNK (WSEMULDISPLAYDEVCF_CONSOLE_DEFAULT) 156 #define wsemuldisplaydevcf_kbdmux cf_loc[WSEMULDISPLAYDEVCF_KBDMUX] 157 #define wsdisplaydevcf_kbdmux cf_loc[WSDISPLAYDEVCF_KBDMUX] 158 159 struct wscons_syncops { 160 int (*detach)(void *, int, void (*)(void *, int, int), void *); 161 int (*attach)(void *, int, void (*)(void *, int, int), void *); 162 int (*check)(void *); 163 void (*destroy)(void *); 164 }; 165 166 /* 167 * Autoconfiguration helper functions. 168 */ 169 void wsdisplay_cnattach(const struct wsscreen_descr *, void *, int, int, 170 long); 171 void wsdisplay_preattach(const struct wsscreen_descr *, void *, int, int, 172 long); 173 174 int wsdisplaydevprint(void *, const char *); 175 int wsemuldisplaydevprint(void *, const char *); 176 177 /* 178 * Console interface. 179 */ 180 void wsdisplay_cnputc(dev_t, int); 181 182 /* 183 * for use by compatibility code 184 */ 185 struct wsdisplay_softc; 186 struct wsscreen; 187 int wsscreen_attach_sync(struct wsscreen *, 188 const struct wscons_syncops *, void *); 189 int wsscreen_detach_sync(struct wsscreen *); 190 int wsscreen_lookup_sync(struct wsscreen *, 191 const struct wscons_syncops *, void **); 192 193 int wsdisplay_maxscreenidx(struct wsdisplay_softc *); 194 int wsdisplay_screenstate(struct wsdisplay_softc *, int); 195 int wsdisplay_getactivescreen(struct wsdisplay_softc *); 196 int wsscreen_switchwait(struct wsdisplay_softc *, int); 197 198 int wsdisplay_internal_ioctl(struct wsdisplay_softc *, struct wsscreen *, 199 u_long, caddr_t, int, struct lwp *); 200 201 int wsdisplay_usl_ioctl1(struct wsdisplay_softc *, 202 u_long, caddr_t, int, struct lwp *); 203 204 int wsdisplay_usl_ioctl2(struct wsdisplay_softc *, struct wsscreen *, 205 u_long, caddr_t, int, struct lwp *); 206 207 int wsdisplay_stat_ioctl(struct wsdisplay_softc *, u_long, caddr_t, 208 int, struct lwp *); 209 210 int wsdisplay_cfg_ioctl(struct wsdisplay_softc *, u_long, caddr_t, 211 int, struct lwp *); 212 213 #ifdef WSDISPLAY_SCROLLSUPPORT 214 void wsdisplay_scroll(void *, int); 215 #endif 216 217 #define WSDISPLAY_SCROLL_BACKWARD 1 218 #define WSDISPLAY_SCROLL_FORWARD (1 << 1) 219 #define WSDISPLAY_SCROLL_RESET (1 << 2) 220 #define WSDISPLAY_SCROLL_LOW (1 << 3) 221 222 int wsdisplay_stat_inject(struct device *, u_int, int); 223 224 /* 225 * for general use 226 */ 227 #define WSDISPLAY_NULLSCREEN -1 228 void wsdisplay_switchtoconsole(void); 229 const struct wsscreen_descr *wsdisplay_screentype_pick( 230 const struct wsscreen_list *, const char *); 231 232 #if defined(_KERNEL) 233 # if defined(_KERNEL_OPT) 234 # include "opt_wsmsgattrs.h" 235 # endif 236 # if !defined(WS_DEFAULT_FG) 237 # define WS_DEFAULT_FG WSCOL_WHITE 238 # endif 239 # if !defined(WS_DEFAULT_BG) 240 # define WS_DEFAULT_BG WSCOL_BLACK 241 # endif 242 # if !defined(WS_DEFAULT_COLATTR) 243 # define WS_DEFAULT_COLATTR 0 244 # endif 245 # if !defined(WS_DEFAULT_MONOATTR) 246 # define WS_DEFAULT_MONOATTR 0 247 # endif 248 # if defined(WS_KERNEL_FG) || defined(WS_KERNEL_BG) || \ 249 defined(WS_KERNEL_COLATTR) || defined(WS_KERNEL_MONOATTR) 250 # define WS_KERNEL_CUSTOMIZED 251 # else 252 # undef WS_KERNEL_CUSTOMIZED 253 # endif 254 # if !defined(WS_KERNEL_FG) 255 # define WS_KERNEL_FG WS_DEFAULT_FG 256 # endif 257 # if !defined(WS_KERNEL_BG) 258 # define WS_KERNEL_BG WS_DEFAULT_BG 259 # endif 260 # if !defined(WS_KERNEL_COLATTR) 261 # define WS_KERNEL_COLATTR WS_DEFAULT_COLATTR 262 # endif 263 # if !defined(WS_KERNEL_MONOATTR) 264 # define WS_KERNEL_MONOATTR WS_DEFAULT_MONOATTR 265 # endif 266 # if !defined(WSDISPLAY_BORDER_COLOR) 267 # define WSDISPLAY_BORDER_COLOR WSCOL_BLACK 268 # endif 269 #endif /* _KERNEL */ 270 271 #endif /* !_DEV_WSCONS_WSDISPLAYVAR_H */ 272
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