Annotation of src/sys/dev/wscons/wsdisplayvar.h, Revision 1.12
1.12 ! jdolecek 1: /* $NetBSD: wsdisplayvar.h,v 1.11 1999/02/12 11:25:23 drochner Exp $ */
1.1 drochner 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: struct device;
34:
35: /*
36: * WSDISPLAY interfaces
37: */
38:
39: /*
40: * Emulation functions, for displays that can support glass-tty terminal
41: * emulations. These are character oriented, with row and column
42: * numbers starting at zero in the upper left hand corner of the
43: * screen.
44: *
45: * These are used only when emulating a terminal. Therefore, displays
46: * drivers which cannot emulate terminals do not have to provide them.
47: *
48: * There is a "void *" cookie provided by the display driver associated
49: * with these functions, which is passed to them when they are invoked.
50: */
51: struct wsdisplay_emulops {
52: void (*cursor) __P((void *c, int on, int row, int col));
1.11 drochner 53: int (*mapchar) __P((void *, int, unsigned int *));
1.4 drochner 54: void (*putchar) __P((void *c, int row, int col,
55: u_int uc, long attr));
1.1 drochner 56: void (*copycols) __P((void *c, int row, int srccol, int dstcol,
57: int ncols));
58: void (*erasecols) __P((void *c, int row, int startcol,
1.2 drochner 59: int ncols, long));
1.1 drochner 60: void (*copyrows) __P((void *c, int srcrow, int dstrow,
61: int nrows));
1.2 drochner 62: void (*eraserows) __P((void *c, int row, int nrows, long));
63: int (*alloc_attr) __P((void *c, int fg, int bg, int flags, long *));
64: /* fg / bg values. Made identical to ANSI terminal color codes. */
65: #define WSCOL_BLACK 0
66: #define WSCOL_RED 1
67: #define WSCOL_GREEN 2
68: #define WSCOL_BROWN 3
69: #define WSCOL_BLUE 4
70: #define WSCOL_MAGENTA 5
71: #define WSCOL_CYAN 6
72: #define WSCOL_WHITE 7
73: /* flag values: */
74: #define WSATTR_REVERSE 1
75: #define WSATTR_HILIT 2
76: #define WSATTR_BLINK 4
77: #define WSATTR_UNDERLINE 8
78: #define WSATTR_WSCOLORS 16
79: /* XXX need a free_attr() ??? */
1.1 drochner 80: };
81:
82: struct wsscreen_descr {
83: char *name;
84: int ncols, nrows;
85: const struct wsdisplay_emulops *textops;
86: int fontwidth, fontheight;
1.2 drochner 87: int capabilities;
88: #define WSSCREEN_WSCOLORS 1 /* minimal color capability */
89: #define WSSCREEN_REVERSE 2 /* can display reversed */
90: #define WSSCREEN_HILIT 4 /* can highlight (however) */
91: #define WSSCREEN_BLINK 8 /* can blink */
92: #define WSSCREEN_UNDERLINE 16 /* can underline */
1.1 drochner 93: };
94:
1.9 drochner 95: struct wsdisplay_font;
1.1 drochner 96: /*
97: * Display access functions, invoked by user-land programs which require
98: * direct device access, such as X11.
99: *
100: * There is a "void *" cookie provided by the display driver associated
101: * with these functions, which is passed to them when they are invoked.
102: */
103: struct wsdisplay_accessops {
104: int (*ioctl) __P((void *v, u_long cmd, caddr_t data, int flag,
105: struct proc *p));
106: int (*mmap) __P((void *v, off_t off, int prot));
107: int (*alloc_screen) __P((void *, const struct wsscreen_descr *,
1.2 drochner 108: void **, int *, int *, long *));
1.1 drochner 109: void (*free_screen) __P((void *, void *));
110: void (*show_screen) __P((void *, void *));
1.9 drochner 111: int (*load_font) __P((void *, void *, struct wsdisplay_font *));
1.1 drochner 112: };
113:
114: /*
115: * Attachment information provided by wsdisplaydev devices when attaching
116: * wsdisplay units.
117: */
118: struct wsdisplaydev_attach_args {
119: const struct wsdisplay_accessops *accessops; /* access ops */
120: void *accesscookie; /* access cookie */
121: };
122:
123: /* passed to wscons by the video driver to tell about its capabilities */
124: struct wsscreen_list {
125: int nscreens;
126: const struct wsscreen_descr **screens;
127: };
128:
129: /*
130: * Attachment information provided by wsemuldisplaydev devices when attaching
131: * wsdisplay units.
132: */
133: struct wsemuldisplaydev_attach_args {
134: int console; /* is it console? */
1.2 drochner 135: const struct wsscreen_list *scrdata; /* screen cfg info */
1.1 drochner 136: const struct wsdisplay_accessops *accessops; /* access ops */
137: void *accesscookie; /* access cookie */
138: };
139:
1.6 augustss 140: #include "locators.h"
141:
142: #define wsemuldisplaydevcf_console cf_loc[WSEMULDISPLAYDEVCF_CONSOLE] /* spec'd as console? */
143: #define WSEMULDISPLAYDEVCF_CONSOLE_UNK (WSEMULDISPLAYDEVCF_CONSOLE_DEFAULT)
1.1 drochner 144:
1.3 drochner 145: struct wscons_syncops {
1.10 drochner 146: int (*detach) __P((void *, int, void (*)(void *, int, int), void *));
147: int (*attach) __P((void *, int, void (*)(void *, int, int), void *));
1.3 drochner 148: int (*check) __P((void *));
149: void (*destroy) __P((void *));
150: };
151:
1.1 drochner 152: /*
153: * Autoconfiguration helper functions.
154: */
155: void wsdisplay_cnattach __P((const struct wsscreen_descr *, void *,
1.2 drochner 156: int, int, long));
1.1 drochner 157: int wsdisplaydevprint __P((void *, const char *));
158: int wsemuldisplaydevprint __P((void *, const char *));
159:
160: /*
161: * Console interface.
162: */
163: void wsdisplay_cnputc __P((dev_t dev, int i));
1.3 drochner 164:
165: /*
166: * for use by compatibility code
167: */
168: struct wsdisplay_softc;
169: struct wsscreen;
170: int wsscreen_attach_sync __P((struct wsscreen *,
171: const struct wscons_syncops *, void *));
172: int wsscreen_detach_sync __P((struct wsscreen *));
173: int wsscreen_lookup_sync __P((struct wsscreen *,
174: const struct wscons_syncops *, void **));
175:
176: int wsdisplay_maxscreenidx __P((struct wsdisplay_softc *));
177: int wsdisplay_screenstate __P((struct wsdisplay_softc *, int));
178: int wsdisplay_getactivescreen __P((struct wsdisplay_softc *));
179: int wsscreen_switchwait __P((struct wsdisplay_softc *, int));
180:
181: int wsdisplay_internal_ioctl __P((struct wsdisplay_softc *sc,
182: struct wsscreen *,
183: u_long cmd, caddr_t data,
184: int flag, struct proc *p));
185:
186: int wsdisplay_usl_ioctl __P((struct wsdisplay_softc *, struct wsscreen *,
187: u_long, caddr_t, int, struct proc *));
1.8 drochner 188:
189: int wsdisplay_cfg_ioctl __P((struct wsdisplay_softc *sc,
190: u_long cmd, caddr_t data,
191: int flag, struct proc *p));
1.12 ! jdolecek 192:
! 193: /*
! 194: * for general use
! 195: */
! 196: void wsdisplay_switchtoconsole __P((void));
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