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ee5e90dab2
- Add vesa kernel options for amd64. - Connect libvgl library and splash kernel modules to amd64 build. - Connect manual page dpms(4) to amd64 build. - Remove old vesa/dpms files. Submitted by: paradox <ddkprog yahoo com> [1], swell k at gmail.com (with some minor tweaks)
148 lines
4.0 KiB
C
148 lines
4.0 KiB
C
/*-
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* Copyright (c) 1998 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
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* All rights reserved.
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*
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* This code is derived from software contributed to The DragonFly Project
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* by Sascha Wildner <saw@online.de>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer as
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* the first lines of this file unmodified.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_vga.h"
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#ifndef VGA_NO_MODE_CHANGE
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/tty.h>
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#include <sys/kernel.h>
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#include <sys/fbio.h>
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#include <sys/consio.h>
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#include <dev/fb/vesa.h>
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#include <dev/fb/fbreg.h>
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#include <dev/syscons/syscons.h>
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static tsw_ioctl_t *prev_user_ioctl;
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static int
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vesa_ioctl(struct tty *tp, u_long cmd, caddr_t data, struct thread *td)
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{
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scr_stat *scp;
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int mode;
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scp = SC_STAT(tp);
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switch (cmd) {
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/* generic text modes */
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case SW_TEXT_132x25: case SW_TEXT_132x30:
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case SW_TEXT_132x43: case SW_TEXT_132x50:
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case SW_TEXT_132x60:
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if (!(scp->sc->adp->va_flags & V_ADP_MODECHANGE))
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return ENODEV;
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return sc_set_text_mode(scp, tp, cmd & 0xff, 0, 0, 0, 0);
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/* text modes */
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case SW_VESA_C80x60:
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case SW_VESA_C132x25:
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case SW_VESA_C132x43:
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case SW_VESA_C132x50:
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case SW_VESA_C132x60:
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if (!(scp->sc->adp->va_flags & V_ADP_MODECHANGE))
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return ENODEV;
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mode = (cmd & 0xff) + M_VESA_BASE;
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return sc_set_text_mode(scp, tp, mode, 0, 0, 0, 0);
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/* graphics modes */
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case SW_VESA_32K_320: case SW_VESA_64K_320:
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case SW_VESA_FULL_320:
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case SW_VESA_CG640x400:
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case SW_VESA_CG640x480:
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case SW_VESA_32K_640: case SW_VESA_64K_640:
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case SW_VESA_FULL_640:
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case SW_VESA_800x600: case SW_VESA_CG800x600:
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case SW_VESA_32K_800: case SW_VESA_64K_800:
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case SW_VESA_FULL_800:
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case SW_VESA_1024x768: case SW_VESA_CG1024x768:
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case SW_VESA_32K_1024: case SW_VESA_64K_1024:
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case SW_VESA_FULL_1024:
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case SW_VESA_1280x1024: case SW_VESA_CG1280x1024:
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case SW_VESA_32K_1280: case SW_VESA_64K_1280:
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case SW_VESA_FULL_1280:
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if (!(scp->sc->adp->va_flags & V_ADP_MODECHANGE))
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return ENODEV;
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mode = (cmd & 0xff) + M_VESA_BASE;
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return sc_set_graphics_mode(scp, tp, mode);
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default:
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if (IOCGROUP(cmd) == 'V') {
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if (!(scp->sc->adp->va_flags & V_ADP_MODECHANGE))
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return ENODEV;
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mode = (cmd & 0xff) + M_VESA_BASE;
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if (((cmd & IOC_DIRMASK) == IOC_VOID) &&
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(mode > M_VESA_FULL_1280) &&
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(mode < M_VESA_MODE_MAX))
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return sc_set_graphics_mode(scp, tp, mode);
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}
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}
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if (prev_user_ioctl)
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return (*prev_user_ioctl)(tp, cmd, data, td);
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else
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return ENOIOCTL;
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}
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int
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vesa_load_ioctl(void)
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{
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if (prev_user_ioctl)
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return EBUSY;
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prev_user_ioctl = sc_user_ioctl;
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sc_user_ioctl = vesa_ioctl;
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return 0;
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}
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int
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vesa_unload_ioctl(void)
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{
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if (sc_user_ioctl != vesa_ioctl)
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return EBUSY;
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sc_user_ioctl = prev_user_ioctl;
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prev_user_ioctl = NULL;
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return 0;
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}
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#endif /* VGA_NO_MODE_CHANGE */
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