wsdisplayvar.h revision 1.35 1 /* $NetBSD: wsdisplayvar.h,v 1.35 2006/02/19 15:10:31 jmcneill 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, u_long cmd, caddr_t data, int flag,
115 struct lwp *l);
116 paddr_t (*mmap)(void *v, 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 int (*getwschar)(void *, struct wsdisplay_char *);
125 int (*putwschar)(void *, struct wsdisplay_char *);
126 void (*scroll)(void *, void *, int);
127 u_int (*getborder)(void *);
128 int (*setborder)(void *, u_int);
129 };
130
131 /*
132 * Attachment information provided by wsdisplaydev devices when attaching
133 * wsdisplay units.
134 */
135 struct wsdisplaydev_attach_args {
136 const struct wsdisplay_accessops *accessops; /* access ops */
137 void *accesscookie; /* access cookie */
138 };
139
140 /* passed to wscons by the video driver to tell about its capabilities */
141 struct wsscreen_list {
142 int nscreens;
143 const struct wsscreen_descr **screens;
144 };
145
146 /*
147 * Attachment information provided by wsemuldisplaydev devices when attaching
148 * wsdisplay units.
149 */
150 struct wsemuldisplaydev_attach_args {
151 int console; /* is it console? */
152 const struct wsscreen_list *scrdata; /* screen cfg info */
153 const struct wsdisplay_accessops *accessops; /* access ops */
154 void *accesscookie; /* access cookie */
155 };
156
157 #include "locators.h"
158
159 #define wsemuldisplaydevcf_console cf_loc[WSEMULDISPLAYDEVCF_CONSOLE] /* spec'd as console? */
160 #define WSEMULDISPLAYDEVCF_CONSOLE_UNK (WSEMULDISPLAYDEVCF_CONSOLE_DEFAULT)
161 #define wsemuldisplaydevcf_kbdmux cf_loc[WSEMULDISPLAYDEVCF_KBDMUX]
162 #define wsdisplaydevcf_kbdmux cf_loc[WSDISPLAYDEVCF_KBDMUX]
163
164 struct wscons_syncops {
165 int (*detach)(void *, int, void (*)(void *, int, int), void *);
166 int (*attach)(void *, int, void (*)(void *, int, int), void *);
167 int (*check)(void *);
168 void (*destroy)(void *);
169 };
170
171 /*
172 * Autoconfiguration helper functions.
173 */
174 void wsdisplay_cnattach(const struct wsscreen_descr *, void *,int,int, long);
175 int wsdisplaydevprint(void *, const char *);
176 int wsemuldisplaydevprint(void *, const char *);
177
178 /*
179 * Console interface.
180 */
181 void wsdisplay_cnputc(dev_t dev, int i);
182
183 /*
184 * for use by compatibility code
185 */
186 struct wsdisplay_softc;
187 struct wsscreen;
188 int wsscreen_attach_sync(struct wsscreen *,
189 const struct wscons_syncops *, void *);
190 int wsscreen_detach_sync(struct wsscreen *);
191 int wsscreen_lookup_sync(struct wsscreen *,
192 const struct wscons_syncops *, void **);
193
194 int wsdisplay_maxscreenidx(struct wsdisplay_softc *);
195 int wsdisplay_screenstate(struct wsdisplay_softc *, int);
196 int wsdisplay_getactivescreen(struct wsdisplay_softc *);
197 int wsscreen_switchwait(struct wsdisplay_softc *, int);
198
199 int wsdisplay_internal_ioctl(struct wsdisplay_softc *sc, struct wsscreen *,
200 u_long cmd, caddr_t data,int flag, struct lwp *l);
201
202 int wsdisplay_usl_ioctl1(struct wsdisplay_softc *,
203 u_long, caddr_t, int, struct lwp *);
204
205 int wsdisplay_usl_ioctl2(struct wsdisplay_softc *, struct wsscreen *,
206 u_long, caddr_t, int, struct lwp *);
207
208 int wsdisplay_stat_ioctl(struct wsdisplay_softc *sc, u_long cmd, caddr_t data,
209 int flag, struct lwp *l);
210
211 int wsdisplay_cfg_ioctl(struct wsdisplay_softc *sc, u_long cmd, caddr_t data,
212 int flag, struct lwp *l);
213
214 #ifdef WSDISPLAY_SCROLLSUPPORT
215 void wsdisplay_scroll (void *v, int op);
216 #endif
217
218 #define WSDISPLAY_SCROLL_BACKWARD 1
219 #define WSDISPLAY_SCROLL_FORWARD (1 << 1)
220 #define WSDISPLAY_SCROLL_RESET (1 << 2)
221 #define WSDISPLAY_SCROLL_LOW (1 << 3)
222
223 int wsdisplay_stat_inject(struct device *dev, u_int type, int value);
224
225 /*
226 * for general use
227 */
228 #define WSDISPLAY_NULLSCREEN -1
229 void wsdisplay_switchtoconsole(void);
230 const struct wsscreen_descr *
231 wsdisplay_screentype_pick(const struct wsscreen_list *, const char *);
232
233 #if defined(_KERNEL)
234 # if defined(_KERNEL_OPT)
235 # include "opt_wsmsgattrs.h"
236 # include "opt_wsdisplay_border.h"
237 # endif
238 # if !defined(WS_DEFAULT_FG)
239 # define WS_DEFAULT_FG WSCOL_WHITE
240 # endif
241 # if !defined(WS_DEFAULT_BG)
242 # define WS_DEFAULT_BG WSCOL_BLACK
243 # endif
244 # if !defined(WS_DEFAULT_COLATTR)
245 # define WS_DEFAULT_COLATTR 0
246 # endif
247 # if !defined(WS_DEFAULT_MONOATTR)
248 # define WS_DEFAULT_MONOATTR 0
249 # endif
250 # if defined(WS_KERNEL_FG) || defined(WS_KERNEL_BG) || \
251 defined(WS_KERNEL_COLATTR) || defined(WS_KERNEL_MONOATTR)
252 # define WS_KERNEL_CUSTOMIZED
253 # else
254 # undef WS_KERNEL_CUSTOMIZED
255 # endif
256 # if !defined(WS_KERNEL_FG)
257 # define WS_KERNEL_FG WS_DEFAULT_FG
258 # endif
259 # if !defined(WS_KERNEL_BG)
260 # define WS_KERNEL_BG WS_DEFAULT_BG
261 # endif
262 # if !defined(WS_KERNEL_COLATTR)
263 # define WS_KERNEL_COLATTR WS_DEFAULT_COLATTR
264 # endif
265 # if !defined(WS_KERNEL_MONOATTR)
266 # define WS_KERNEL_MONOATTR WS_DEFAULT_MONOATTR
267 # endif
268 # if !defined(WSDISPLAY_BORDER_COLOR)
269 # define WSDISPLAY_BORDER_COLOR WSCOL_BLACK
270 # endif
271 #endif /* _KERNEL */
272
273 #endif /* !_DEV_WSCONS_WSDISPLAYVAR_H */
274