wsdisplayvar.h revision 1.49 1 /* $NetBSD: wsdisplayvar.h,v 1.49 2011/06/29 03:11:59 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 #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 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, void *, 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 struct wscons_syncops {
153 int (*detach)(void *, int, void (*)(void *, int, int), void *);
154 int (*attach)(void *, int, void (*)(void *, int, int), void *);
155 int (*check)(void *);
156 void (*destroy)(void *);
157 };
158
159 /*
160 * Autoconfiguration helper functions.
161 */
162 void wsdisplay_cnattach(const struct wsscreen_descr *, void *, int, int,
163 long);
164 void wsdisplay_preattach(const struct wsscreen_descr *, void *, int, int,
165 long);
166
167 int wsdisplaydevprint(void *, const char *);
168 int wsemuldisplaydevprint(void *, const char *);
169
170 int wsdisplay_handlex(int);
171
172 /*
173 * Console interface.
174 */
175 void wsdisplay_cnputc(dev_t, int);
176
177 /*
178 * for use by compatibility code
179 */
180 struct wsdisplay_softc;
181 struct wsscreen;
182 int wsscreen_attach_sync(struct wsscreen *,
183 const struct wscons_syncops *, void *);
184 int wsscreen_detach_sync(struct wsscreen *);
185 int wsscreen_lookup_sync(struct wsscreen *,
186 const struct wscons_syncops *, void **);
187
188 int wsdisplay_maxscreenidx(struct wsdisplay_softc *);
189 int wsdisplay_screenstate(struct wsdisplay_softc *, int);
190 int wsdisplay_getactivescreen(struct wsdisplay_softc *);
191 int wsscreen_switchwait(struct wsdisplay_softc *, int);
192
193 int wsdisplay_internal_ioctl(struct wsdisplay_softc *, struct wsscreen *,
194 u_long, void *, int, struct lwp *);
195
196 int wsdisplay_usl_ioctl1(device_t, u_long, void *, int, struct lwp *);
197
198 int wsdisplay_usl_ioctl2(struct wsdisplay_softc *, struct wsscreen *,
199 u_long, void *, int, struct lwp *);
200
201 int wsdisplay_stat_ioctl(struct wsdisplay_softc *, u_long, void *,
202 int, struct lwp *);
203
204 int wsdisplay_cfg_ioctl(struct wsdisplay_softc *, u_long, void *,
205 int, struct lwp *);
206
207 struct wsdisplayio_edid_info;
208 int wsdisplayio_get_edid(device_t, struct wsdisplayio_edid_info *);
209
210 #ifdef WSDISPLAY_SCROLLSUPPORT
211 void wsdisplay_scroll(void *, int);
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(device_t, u_int, int);
220
221 /*
222 * for general use
223 */
224 #define WSDISPLAY_NULLSCREEN -1
225 const struct wsscreen_descr *wsdisplay_screentype_pick(
226 const struct wsscreen_list *, const char *);
227
228 #if defined(_KERNEL)
229 # if defined(_KERNEL_OPT)
230 # include "opt_wsmsgattrs.h"
231 # endif
232 # if !defined(WS_DEFAULT_FG)
233 # define WS_DEFAULT_FG WSCOL_WHITE
234 # endif
235 # if !defined(WS_DEFAULT_BG)
236 # define WS_DEFAULT_BG WSCOL_BLACK
237 # endif
238 # if !defined(WS_DEFAULT_COLATTR)
239 # define WS_DEFAULT_COLATTR 0
240 # endif
241 # if !defined(WS_DEFAULT_MONOATTR)
242 # define WS_DEFAULT_MONOATTR 0
243 # endif
244 # if defined(WS_KERNEL_FG) || defined(WS_KERNEL_BG) || \
245 defined(WS_KERNEL_COLATTR) || defined(WS_KERNEL_MONOATTR)
246 # define WS_KERNEL_CUSTOMIZED
247 # else
248 # undef WS_KERNEL_CUSTOMIZED
249 # endif
250 # if !defined(WS_KERNEL_FG)
251 # define WS_KERNEL_FG WS_DEFAULT_FG
252 # endif
253 # if !defined(WS_KERNEL_BG)
254 # define WS_KERNEL_BG WS_DEFAULT_BG
255 # endif
256 # if !defined(WS_KERNEL_COLATTR)
257 # define WS_KERNEL_COLATTR WS_DEFAULT_COLATTR
258 # endif
259 # if !defined(WS_KERNEL_MONOATTR)
260 # define WS_KERNEL_MONOATTR WS_DEFAULT_MONOATTR
261 # endif
262 # if !defined(WSDISPLAY_BORDER_COLOR)
263 # define WSDISPLAY_BORDER_COLOR WSCOL_BLACK
264 # endif
265 #endif /* _KERNEL */
266
267 #endif /* !_DEV_WSCONS_WSDISPLAYVAR_H */
268