1 /* $NetBSD: wsdisplayvar.h,v 1.39 2006/04/15 17:48:24 jmmv 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 *c, int on, int row, int col); 56 int (*mapchar)(void *, int, unsigned int *); 57 void (*putchar)(void *c, int row, int col, u_int uc, long attr); 58 void (*copycols)(void *c, int row, int srccol, int dstcol,int ncols); 59 void (*erasecols)(void *c, int row, int startcol, int ncols, long); 60 void (*copyrows)(void *c, int srcrow, int dstrow, int nrows); 61 void (*eraserows)(void *c, int row, int nrows, long); 62 int (*allocattr)(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 #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 *c, long oldattr, long newattr); 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 *v, void *scr, u_long cmd, caddr_t data, int flag, 115 struct lwp *l); 116 paddr_t (*mmap)(void *v, void *scr, off_t off, int prot); 117 int (*alloc_screen)(void *, const struct wsscreen_descr *, 118 void **, int *, int *, long *); 119 void (*free_screen)(void *, void *); 120 int (*show_screen)(void *, void *, int, 121 void (*) (void *, int, int), void *); 122 int (*load_font)(void *, void *, struct wsdisplay_font *); 123 void (*pollc)(void *, int); 124 void (*scroll)(void *, void *, int); 125 }; 126 127 /* 128 * Attachment information provided by wsdisplaydev devices when attaching 129 * wsdisplay units. 130 */ 131 struct wsdisplaydev_attach_args { 132 const struct wsdisplay_accessops *accessops; /* access ops */ 133 void *accesscookie; /* access cookie */ 134 }; 135 136 /* passed to wscons by the video driver to tell about its capabilities */ 137 struct wsscreen_list { 138 int nscreens; 139 const struct wsscreen_descr **screens; 140 }; 141 142 /* 143 * Attachment information provided by wsemuldisplaydev devices when attaching 144 * wsdisplay units. 145 */ 146 struct wsemuldisplaydev_attach_args { 147 int console; /* is it console? */ 148 const struct wsscreen_list *scrdata; /* screen cfg info */ 149 const struct wsdisplay_accessops *accessops; /* access ops */ 150 void *accesscookie; /* access cookie */ 151 }; 152 153 #include "locators.h" 154 155 #define wsemuldisplaydevcf_console cf_loc[WSEMULDISPLAYDEVCF_CONSOLE] /* spec'd as console? */ 156 #define WSEMULDISPLAYDEVCF_CONSOLE_UNK (WSEMULDISPLAYDEVCF_CONSOLE_DEFAULT) 157 #define wsemuldisplaydevcf_kbdmux cf_loc[WSEMULDISPLAYDEVCF_KBDMUX] 158 #define wsdisplaydevcf_kbdmux cf_loc[WSDISPLAYDEVCF_KBDMUX] 159 160 struct wscons_syncops { 161 int (*detach)(void *, int, void (*)(void *, int, int), void *); 162 int (*attach)(void *, int, void (*)(void *, int, int), void *); 163 int (*check)(void *); 164 void (*destroy)(void *); 165 }; 166 167 /* 168 * Autoconfiguration helper functions. 169 */ 170 void wsdisplay_cnattach(const struct wsscreen_descr *, void *,int,int, long); 171 int wsdisplaydevprint(void *, const char *); 172 int wsemuldisplaydevprint(void *, const char *); 173 174 /* 175 * Console interface. 176 */ 177 void wsdisplay_cnputc(dev_t dev, int i); 178 179 /* 180 * for use by compatibility code 181 */ 182 struct wsdisplay_softc; 183 struct wsscreen; 184 int wsscreen_attach_sync(struct wsscreen *, 185 const struct wscons_syncops *, void *); 186 int wsscreen_detach_sync(struct wsscreen *); 187 int wsscreen_lookup_sync(struct wsscreen *, 188 const struct wscons_syncops *, void **); 189 190 int wsdisplay_maxscreenidx(struct wsdisplay_softc *); 191 int wsdisplay_screenstate(struct wsdisplay_softc *, int); 192 int wsdisplay_getactivescreen(struct wsdisplay_softc *); 193 int wsscreen_switchwait(struct wsdisplay_softc *, int); 194 195 int wsdisplay_internal_ioctl(struct wsdisplay_softc *sc, struct wsscreen *, 196 u_long cmd, caddr_t data,int flag, struct lwp *l); 197 198 int wsdisplay_usl_ioctl1(struct wsdisplay_softc *, 199 u_long, caddr_t, int, struct lwp *); 200 201 int wsdisplay_usl_ioctl2(struct wsdisplay_softc *, struct wsscreen *, 202 u_long, caddr_t, int, struct lwp *); 203 204 int wsdisplay_stat_ioctl(struct wsdisplay_softc *sc, u_long cmd, caddr_t data, 205 int flag, struct lwp *l); 206 207 int wsdisplay_cfg_ioctl(struct wsdisplay_softc *sc, u_long cmd, caddr_t data, 208 int flag, struct lwp *l); 209 210 #ifdef WSDISPLAY_SCROLLSUPPORT 211 void wsdisplay_scroll (void *v, int op); 212 #endif 213 214 #define WSDISPLAY_SCROLL_BACKWARD 1 215 #define WSDISPLAY_SCROLL_FORWARD (1 << 1) 216 #define WSDISPLAY_SCROLL_RESET (1 << 2) 217 #define WSDISPLAY_SCROLL_LOW (1 << 3) 218 219 int wsdisplay_stat_inject(struct device *dev, u_int type, int value); 220 221 /* 222 * for general use 223 */ 224 #define WSDISPLAY_NULLSCREEN -1 225 void wsdisplay_switchtoconsole(void); 226 const struct wsscreen_descr * 227 wsdisplay_screentype_pick(const struct wsscreen_list *, const char *); 228 229 #if defined(_KERNEL) 230 # if defined(_KERNEL_OPT) 231 # include "opt_wsmsgattrs.h" 232 # endif 233 # if !defined(WS_DEFAULT_FG) 234 # define WS_DEFAULT_FG WSCOL_WHITE 235 # endif 236 # if !defined(WS_DEFAULT_BG) 237 # define WS_DEFAULT_BG WSCOL_BLACK 238 # endif 239 # if !defined(WS_DEFAULT_COLATTR) 240 # define WS_DEFAULT_COLATTR 0 241 # endif 242 # if !defined(WS_DEFAULT_MONOATTR) 243 # define WS_DEFAULT_MONOATTR 0 244 # endif 245 # if defined(WS_KERNEL_FG) || defined(WS_KERNEL_BG) || \ 246 defined(WS_KERNEL_COLATTR) || defined(WS_KERNEL_MONOATTR) 247 # define WS_KERNEL_CUSTOMIZED 248 # else 249 # undef WS_KERNEL_CUSTOMIZED 250 # endif 251 # if !defined(WS_KERNEL_FG) 252 # define WS_KERNEL_FG WS_DEFAULT_FG 253 # endif 254 # if !defined(WS_KERNEL_BG) 255 # define WS_KERNEL_BG WS_DEFAULT_BG 256 # endif 257 # if !defined(WS_KERNEL_COLATTR) 258 # define WS_KERNEL_COLATTR WS_DEFAULT_COLATTR 259 # endif 260 # if !defined(WS_KERNEL_MONOATTR) 261 # define WS_KERNEL_MONOATTR WS_DEFAULT_MONOATTR 262 # endif 263 # if !defined(WSDISPLAY_BORDER_COLOR) 264 # define WSDISPLAY_BORDER_COLOR WSCOL_BLACK 265 # endif 266 #endif /* _KERNEL */ 267 268 #endif /* !_DEV_WSCONS_WSDISPLAYVAR_H */ 269