2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 1998 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
7 * This code is derived from software contributed to The DragonFly Project
8 * by Sascha Wildner <saw@online.de>
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer as
15 * the first lines of this file unmodified.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
38 #ifndef VGA_NO_MODE_CHANGE
40 #include <sys/param.h>
41 #include <sys/systm.h>
44 #include <sys/kernel.h>
46 #include <sys/consio.h>
48 #include <dev/fb/vesa.h>
50 #include <dev/fb/fbreg.h>
51 #include <dev/syscons/syscons.h>
53 static tsw_ioctl_t *prev_user_ioctl;
56 vesa_ioctl(struct tty *tp, u_long cmd, caddr_t data, struct thread *td)
64 /* generic text modes */
65 case SW_TEXT_132x25: case SW_TEXT_132x30:
66 case SW_TEXT_132x43: case SW_TEXT_132x50:
68 if (!(scp->sc->adp->va_flags & V_ADP_MODECHANGE))
70 return sc_set_text_mode(scp, tp, cmd & 0xff, 0, 0, 0, 0);
78 if (!(scp->sc->adp->va_flags & V_ADP_MODECHANGE))
80 mode = (cmd & 0xff) + M_VESA_BASE;
81 return sc_set_text_mode(scp, tp, mode, 0, 0, 0, 0);
84 case SW_VESA_32K_320: case SW_VESA_64K_320:
85 case SW_VESA_FULL_320:
87 case SW_VESA_CG640x400:
89 case SW_VESA_CG640x480:
90 case SW_VESA_32K_640: case SW_VESA_64K_640:
91 case SW_VESA_FULL_640:
93 case SW_VESA_800x600: case SW_VESA_CG800x600:
94 case SW_VESA_32K_800: case SW_VESA_64K_800:
95 case SW_VESA_FULL_800:
97 case SW_VESA_1024x768: case SW_VESA_CG1024x768:
98 case SW_VESA_32K_1024: case SW_VESA_64K_1024:
99 case SW_VESA_FULL_1024:
101 case SW_VESA_1280x1024: case SW_VESA_CG1280x1024:
102 case SW_VESA_32K_1280: case SW_VESA_64K_1280:
103 case SW_VESA_FULL_1280:
104 if (!(scp->sc->adp->va_flags & V_ADP_MODECHANGE))
106 mode = (cmd & 0xff) + M_VESA_BASE;
107 return sc_set_graphics_mode(scp, tp, mode);
109 if (IOCGROUP(cmd) == 'V') {
110 if (!(scp->sc->adp->va_flags & V_ADP_MODECHANGE))
113 mode = (cmd & 0xff) + M_VESA_BASE;
115 if (((cmd & IOC_DIRMASK) == IOC_VOID) &&
116 (mode > M_VESA_FULL_1280) &&
117 (mode < M_VESA_MODE_MAX))
118 return sc_set_graphics_mode(scp, tp, mode);
123 return (*prev_user_ioctl)(tp, cmd, data, td);
129 vesa_load_ioctl(void)
133 prev_user_ioctl = sc_user_ioctl;
134 sc_user_ioctl = vesa_ioctl;
139 vesa_unload_ioctl(void)
141 if (sc_user_ioctl != vesa_ioctl)
143 sc_user_ioctl = prev_user_ioctl;
144 prev_user_ioctl = NULL;
148 #endif /* VGA_NO_MODE_CHANGE */