wsdisplayvar.h revision 1.53 1 /* $NetBSD: wsdisplayvar.h,v 1.53 2018/09/26 09:04:12 bouyer 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 #include <sys/device.h>
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 #define WSSCREEN_RESIZE 32 /* can resize */
102 #define WSSCREEN_FREE 64 /* free() this struct when deleting
103 * internal only, do not set */
104 void *modecookie;
105 };
106
107 struct wsdisplay_font;
108 struct wsdisplay_char;
109 /*
110 * Display access functions, invoked by user-land programs which require
111 * direct device access, such as X11.
112 *
113 * There is a "void *" cookie provided by the display driver associated
114 * with these functions, which is passed to them when they are invoked.
115 */
116 struct wsdisplay_accessops {
117 int (*ioctl)(void *, void *, u_long, void *, int, struct lwp *);
118 paddr_t (*mmap)(void *, void *, off_t, int);
119 int (*alloc_screen)(void *, const struct wsscreen_descr *,
120 void **, int *, int *, long *);
121 void (*free_screen)(void *, void *);
122 int (*show_screen)(void *, void *, int,
123 void (*)(void *, int, int), void *);
124 int (*load_font)(void *, void *, struct wsdisplay_font *);
125 void (*pollc)(void *, int);
126 void (*scroll)(void *, void *, int);
127 };
128
129 /*
130 * Attachment information provided by wsdisplaydev devices when attaching
131 * wsdisplay units.
132 */
133 struct wsdisplaydev_attach_args {
134 const struct wsdisplay_accessops *accessops; /* access ops */
135 void *accesscookie; /* access cookie */
136 };
137
138 /* passed to wscons by the video driver to tell about its capabilities */
139 struct wsscreen_list {
140 int nscreens;
141 const struct wsscreen_descr **screens;
142 };
143
144 /*
145 * Attachment information provided by wsemuldisplaydev devices when attaching
146 * wsdisplay units.
147 */
148 struct wsemuldisplaydev_attach_args {
149 int console; /* is it console? */
150 const struct wsscreen_list *scrdata; /* screen cfg info */
151 const struct wsdisplay_accessops *accessops; /* access ops */
152 void *accesscookie; /* access cookie */
153 };
154
155 struct wscons_syncops {
156 int (*detach)(void *, int, void (*)(void *, int, int), void *);
157 int (*attach)(void *, int, void (*)(void *, int, int), void *);
158 int (*check)(void *);
159 void (*destroy)(void *);
160 };
161
162 /*
163 * Autoconfiguration helper functions.
164 */
165 void wsdisplay_cnattach(const struct wsscreen_descr *, void *, int, int,
166 long);
167 void wsdisplay_preattach(const struct wsscreen_descr *, void *, int, int,
168 long);
169 void wsdisplay_cndetach(void);
170
171 int wsdisplaydevprint(void *, const char *);
172 int wsemuldisplaydevprint(void *, const char *);
173
174 int wsdisplay_handlex(int);
175
176 /*
177 * Console interface.
178 */
179 void wsdisplay_cnputc(dev_t, int);
180
181 /*
182 * for use by compatibility code
183 */
184 struct wsdisplay_softc;
185 struct wsscreen;
186 int wsscreen_attach_sync(struct wsscreen *,
187 const struct wscons_syncops *, void *);
188 int wsscreen_detach_sync(struct wsscreen *);
189 int wsscreen_lookup_sync(struct wsscreen *,
190 const struct wscons_syncops *, void **);
191
192 int wsdisplay_maxscreenidx(struct wsdisplay_softc *);
193 int wsdisplay_screenstate(struct wsdisplay_softc *, int);
194 int wsdisplay_getactivescreen(struct wsdisplay_softc *);
195 int wsscreen_switchwait(struct wsdisplay_softc *, int);
196
197 int wsdisplay_internal_ioctl(struct wsdisplay_softc *, struct wsscreen *,
198 u_long, void *, int, struct lwp *);
199
200 int wsdisplay_usl_ioctl1(device_t, u_long, void *, int, struct lwp *);
201
202 int wsdisplay_usl_ioctl2(struct wsdisplay_softc *, struct wsscreen *,
203 u_long, void *, int, struct lwp *);
204
205 int wsdisplay_stat_ioctl(struct wsdisplay_softc *, u_long, void *,
206 int, struct lwp *);
207
208 int wsdisplay_cfg_ioctl(struct wsdisplay_softc *, u_long, void *,
209 int, struct lwp *);
210
211 bool wsdisplay_isconsole(struct wsdisplay_softc *);
212
213 struct wsdisplayio_edid_info;
214 int wsdisplayio_get_edid(device_t, struct wsdisplayio_edid_info *);
215
216 struct wsdisplayio_fbinfo;
217 struct rasops_info;
218 int wsdisplayio_get_fbinfo(struct rasops_info *, struct wsdisplayio_fbinfo *);
219
220 #ifdef WSDISPLAY_SCROLLSUPPORT
221 void wsdisplay_scroll(void *, int);
222 #endif
223
224 #define WSDISPLAY_SCROLL_BACKWARD 1
225 #define WSDISPLAY_SCROLL_FORWARD (1 << 1)
226 #define WSDISPLAY_SCROLL_RESET (1 << 2)
227 #define WSDISPLAY_SCROLL_LOW (1 << 3)
228
229 int wsdisplay_stat_inject(device_t, u_int, int);
230
231 /*
232 * for general use
233 */
234 #define WSDISPLAY_NULLSCREEN -1
235 const struct wsscreen_descr *wsdisplay_screentype_pick(
236 const struct wsscreen_list *, const char *);
237
238 #if defined(_KERNEL)
239 # if defined(_KERNEL_OPT)
240 # include "opt_wsmsgattrs.h"
241 # endif
242 # if !defined(WS_DEFAULT_FG)
243 # define WS_DEFAULT_FG WSCOL_WHITE
244 # endif
245 # if !defined(WS_DEFAULT_BG)
246 # define WS_DEFAULT_BG WSCOL_BLACK
247 # endif
248 # if !defined(WS_DEFAULT_COLATTR)
249 # define WS_DEFAULT_COLATTR 0
250 # endif
251 # if !defined(WS_DEFAULT_MONOATTR)
252 # define WS_DEFAULT_MONOATTR 0
253 # endif
254 # if defined(WS_KERNEL_FG) || defined(WS_KERNEL_BG) || \
255 defined(WS_KERNEL_COLATTR) || defined(WS_KERNEL_MONOATTR)
256 # define WS_KERNEL_CUSTOMIZED
257 # else
258 # undef WS_KERNEL_CUSTOMIZED
259 # endif
260 # if !defined(WS_KERNEL_FG)
261 # define WS_KERNEL_FG WS_DEFAULT_FG
262 # endif
263 # if !defined(WS_KERNEL_BG)
264 # define WS_KERNEL_BG WS_DEFAULT_BG
265 # endif
266 # if !defined(WS_KERNEL_COLATTR)
267 # define WS_KERNEL_COLATTR WS_DEFAULT_COLATTR
268 # endif
269 # if !defined(WS_KERNEL_MONOATTR)
270 # define WS_KERNEL_MONOATTR WS_DEFAULT_MONOATTR
271 # endif
272 # if !defined(WSDISPLAY_BORDER_COLOR)
273 # define WSDISPLAY_BORDER_COLOR WSCOL_BLACK
274 # endif
275 #endif /* _KERNEL */
276
277 #endif /* !_DEV_WSCONS_WSDISPLAYVAR_H */
278