xref: /netbsd-src/sys/dev/wscons/wsdisplayvar.h (revision f81322cf185a4db50f71fcf7701f20198272620e)
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