490 lines
13 KiB
C
490 lines
13 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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* 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.
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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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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id$
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* from: i386/isa scvidctl.c,v 1.1
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*/
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#include "sc.h"
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#include "opt_syscons.h"
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#if NSC > 0
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/signalvar.h>
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#include <sys/tty.h>
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#include <sys/kernel.h>
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#ifdef __i386__
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#include <machine/apm_bios.h>
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#endif
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#include <machine/console.h>
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#include <isa/videoio.h>
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#include <isa/syscons.h>
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/* video ioctl */
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extern scr_stat *cur_console;
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extern u_int32_t Crtat;
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extern int fonts_loaded;
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extern int sc_history_size;
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extern u_char palette[];
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int
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sc_set_text_mode(scr_stat *scp, struct tty *tp, int mode, int xsize, int ysize,
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int fontsize)
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{
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video_adapter_t *adp;
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video_info_t info;
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int error;
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int s;
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int i;
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if ((*biosvidsw.get_info)(scp->adp, mode, &info))
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return ENODEV;
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adp = get_adapter(scp);
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/* adjust argument values */
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if (fontsize <= 0)
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fontsize = info.vi_cheight;
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if (fontsize < 14) {
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fontsize = 8;
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if (!(fonts_loaded & FONT_8))
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return EINVAL;
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} else if (fontsize >= 16) {
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fontsize = 16;
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if (!(fonts_loaded & FONT_16))
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return EINVAL;
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} else {
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fontsize = 14;
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if (!(fonts_loaded & FONT_14))
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return EINVAL;
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}
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if ((xsize <= 0) || (xsize > info.vi_width))
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xsize = info.vi_width;
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if ((ysize <= 0) || (ysize > info.vi_height))
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ysize = info.vi_height;
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/* stop screen saver, etc */
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s = spltty();
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if ((error = sc_clean_up(scp))) {
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splx(s);
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return error;
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}
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/* set up scp */
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if (scp->history != NULL)
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i = imax(scp->history_size / scp->xsize
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- imax(sc_history_size, scp->ysize), 0);
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else
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i = 0;
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/*
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* This is a kludge to fend off scrn_update() while we
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* muck around with scp. XXX
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*/
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scp->status |= UNKNOWN_MODE;
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scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE);
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scp->mode = mode;
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scp->font_size = fontsize;
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scp->xsize = xsize;
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scp->ysize = ysize;
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scp->xpixel = scp->xsize*8;
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scp->ypixel = scp->ysize*fontsize;
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/* allocate buffers */
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sc_alloc_scr_buffer(scp, TRUE, TRUE);
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if (ISMOUSEAVAIL(adp->va_flags))
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sc_alloc_cut_buffer(scp, FALSE);
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sc_alloc_history_buffer(scp, sc_history_size, i, FALSE);
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splx(s);
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if (scp == cur_console)
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set_mode(scp);
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scp->status &= ~UNKNOWN_MODE;
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if (tp == NULL)
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return 0;
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if (tp->t_winsize.ws_col != scp->xsize
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|| tp->t_winsize.ws_row != scp->ysize) {
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tp->t_winsize.ws_col = scp->xsize;
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tp->t_winsize.ws_row = scp->ysize;
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pgsignal(tp->t_pgrp, SIGWINCH, 1);
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}
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return 0;
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}
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int
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sc_set_graphics_mode(scr_stat *scp, struct tty *tp, int mode)
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{
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video_adapter_t *adp;
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video_info_t info;
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int error;
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int s;
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if ((*biosvidsw.get_info)(scp->adp, mode, &info))
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return ENODEV;
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adp = get_adapter(scp);
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/* stop screen saver, etc */
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s = spltty();
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if ((error = sc_clean_up(scp))) {
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splx(s);
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return error;
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}
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/* set up scp */
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scp->status |= (UNKNOWN_MODE | GRAPHICS_MODE);
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scp->status &= ~PIXEL_MODE;
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scp->mode = mode;
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scp->xpixel = info.vi_width;
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scp->ypixel = info.vi_height;
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scp->xsize = info.vi_width/8;
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scp->ysize = info.vi_height/info.vi_cheight;
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scp->font_size = FONT_NONE;
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/* move the mouse cursor at the center of the screen */
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sc_move_mouse(scp, scp->xpixel / 2, scp->ypixel / 2);
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splx(s);
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if (scp == cur_console)
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set_mode(scp);
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/* clear_graphics();*/
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scp->status &= ~UNKNOWN_MODE;
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if (tp == NULL)
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return 0;
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if (tp->t_winsize.ws_xpixel != scp->xpixel
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|| tp->t_winsize.ws_ypixel != scp->ypixel) {
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tp->t_winsize.ws_xpixel = scp->xpixel;
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tp->t_winsize.ws_ypixel = scp->ypixel;
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pgsignal(tp->t_pgrp, SIGWINCH, 1);
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}
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return 0;
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}
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int
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sc_set_pixel_mode(scr_stat *scp, struct tty *tp, int xsize, int ysize,
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int fontsize)
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{
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video_adapter_t *adp;
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video_info_t info;
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int error;
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int s;
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int i;
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if ((*biosvidsw.get_info)(scp->adp, scp->mode, &info))
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return ENODEV; /* this shouldn't happen */
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adp = get_adapter(scp);
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#ifdef SC_VIDEO_DEBUG
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if (scp->scr_buf != NULL) {
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printf("set_pixel_mode(): mode:%x, col:%d, row:%d, font:%d\n",
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scp->mode, xsize, ysize, fontsize);
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}
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#endif
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/* adjust argument values */
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if ((fontsize <= 0) || (fontsize == FONT_NONE))
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fontsize = info.vi_cheight;
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if (fontsize < 14) {
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fontsize = 8;
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if (!(fonts_loaded & FONT_8))
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return EINVAL;
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} else if (fontsize >= 16) {
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fontsize = 16;
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if (!(fonts_loaded & FONT_16))
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return EINVAL;
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} else {
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fontsize = 14;
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if (!(fonts_loaded & FONT_14))
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return EINVAL;
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}
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if (xsize <= 0)
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xsize = info.vi_width/8;
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if (ysize <= 0)
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ysize = info.vi_height/fontsize;
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#ifdef SC_VIDEO_DEBUG
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if (scp->scr_buf != NULL) {
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printf("set_pixel_mode(): mode:%x, col:%d, row:%d, font:%d\n",
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scp->mode, xsize, ysize, fontsize);
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printf("set_pixel_mode(): Crtat:%x, %dx%d, xoff:%d, yoff:%d\n",
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Crtat, info.vi_width, info.vi_height,
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(info.vi_width/8 - xsize)/2,
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(info.vi_height/fontsize - ysize)/2);
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}
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#endif
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/* stop screen saver, etc */
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s = spltty();
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if ((error = sc_clean_up(scp))) {
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splx(s);
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return error;
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}
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/* set up scp */
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if (scp->history != NULL)
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i = imax(scp->history_size / scp->xsize
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- imax(sc_history_size, scp->ysize), 0);
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else
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i = 0;
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scp->status |= (UNKNOWN_MODE | PIXEL_MODE);
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scp->status &= ~(GRAPHICS_MODE | MOUSE_ENABLED);
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scp->xsize = xsize;
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scp->ysize = ysize;
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scp->font_size = fontsize;
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scp->xoff = (scp->xpixel/8 - xsize)/2;
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scp->yoff = (scp->ypixel/fontsize - ysize)/2;
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/* allocate buffers */
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sc_alloc_scr_buffer(scp, TRUE, TRUE);
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if (ISMOUSEAVAIL(adp->va_flags))
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sc_alloc_cut_buffer(scp, FALSE);
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sc_alloc_history_buffer(scp, sc_history_size, i, FALSE);
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splx(s);
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/* FIXME */
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if (scp == cur_console)
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memset_io(Crtat, 0, scp->xpixel*scp->ypixel/8);
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scp->status &= ~UNKNOWN_MODE;
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#ifdef SC_VIDEO_DEBUG
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printf("set_pixel_mode(): status:%x\n", scp->status);
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#endif
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if (tp == NULL)
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return 0;
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if (tp->t_winsize.ws_col != scp->xsize
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|| tp->t_winsize.ws_row != scp->ysize) {
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tp->t_winsize.ws_col = scp->xsize;
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tp->t_winsize.ws_row = scp->ysize;
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pgsignal(tp->t_pgrp, SIGWINCH, 1);
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}
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return 0;
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}
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int
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sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, int flag, struct proc *p)
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{
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scr_stat *scp;
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video_adapter_t *adp;
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int error;
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int s;
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scp = sc_get_scr_stat(tp->t_dev);
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switch (cmd) {
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case CONS_CURRENT: /* get current adapter type */
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adp = get_adapter(scp);
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*(int *)data = adp->va_type;
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return 0;
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case CONS_CURRENTADP: /* get current adapter index */
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*(int *)data = scp->adp;
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return 0;
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case CONS_ADPINFO: /* adapter information */
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adp = (*biosvidsw.adapter)(((video_adapter_t *)data)->va_index);
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if (adp == NULL)
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return ENODEV;
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bcopy(adp, data, sizeof(*adp));
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return 0;
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case CONS_GET: /* get current video mode */
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*(int *)data = scp->mode;
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return 0;
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case CONS_MODEINFO: /* get mode information */
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return ((*biosvidsw.get_info)(scp->adp,
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((video_info_t *)data)->vi_mode, (video_info_t *)data)
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? ENODEV : 0);
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case CONS_FINDMODE: /* find a matching video mode */
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return ((*biosvidsw.query_mode)(scp->adp, (video_info_t *)data)
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? ENODEV : 0);
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case CONS_SETWINORG:
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return ((*biosvidsw.set_win_org)(scp->adp, *(u_int *)data)
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? ENODEV : 0);
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/* VGA TEXT MODES */
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case SW_VGA_C40x25:
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case SW_VGA_C80x25: case SW_VGA_M80x25:
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case SW_VGA_C80x30: case SW_VGA_M80x30:
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case SW_VGA_C80x50: case SW_VGA_M80x50:
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case SW_VGA_C80x60: case SW_VGA_M80x60:
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case SW_B40x25: case SW_C40x25:
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case SW_B80x25: case SW_C80x25:
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case SW_ENH_B40x25: case SW_ENH_C40x25:
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case SW_ENH_B80x25: case SW_ENH_C80x25:
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case SW_ENH_B80x43: case SW_ENH_C80x43:
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case SW_EGAMONO80x25:
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adp = get_adapter(scp);
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if (!(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);
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/* GRAPHICS MODES */
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case SW_BG320: case SW_BG640:
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case SW_CG320: case SW_CG320_D: case SW_CG640_E:
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case SW_CG640x350: case SW_ENH_CG640:
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case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320:
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case SW_VGA_MODEX:
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adp = get_adapter(scp);
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if (!(adp->va_flags & V_ADP_MODECHANGE))
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return ENODEV;
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return sc_set_graphics_mode(scp, tp, cmd & 0xff);
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case KDSETMODE: /* set current mode of this (virtual) console */
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switch (*data) {
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case KD_TEXT: /* switch to TEXT (known) mode */
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/*
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* If scp->mode is of graphics modes, we don't know which
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* text mode to switch back to...
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*/
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if (scp->status & GRAPHICS_MODE)
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return EINVAL;
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/* restore fonts & palette ! */
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#if 0
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adp = get_adapter(scp);
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if (ISFONTAVAIL(adp->va_flags)
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&& !(scp->status & (GRAPHICS_MODE | PIXEL_MODE)))
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/*
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* FONT KLUDGE
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* Don't load fonts for now... XXX
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*/
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if (fonts_loaded & FONT_8)
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copy_font(scp, LOAD, 8, font_8);
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if (fonts_loaded & FONT_14)
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copy_font(scp, LOAD, 14, font_14);
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if (fonts_loaded & FONT_16)
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copy_font(scp, LOAD, 16, font_16);
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}
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#endif
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load_palette(scp, palette);
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/* move hardware cursor out of the way */
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(*biosvidsw.set_hw_cursor)(scp->adp, -1, -1);
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/* FALL THROUGH */
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case KD_TEXT1: /* switch to TEXT (known) mode */
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/*
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* If scp->mode is of graphics modes, we don't know which
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* text/pixel mode to switch back to...
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*/
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if (scp->status & GRAPHICS_MODE)
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return EINVAL;
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s = spltty();
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if ((error = sc_clean_up(scp))) {
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splx(s);
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return error;
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}
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scp->status |= UNKNOWN_MODE;
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splx(s);
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/* no restore fonts & palette */
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if (scp == cur_console) {
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set_mode(scp);
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/* FIXME */
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if (scp->status & PIXEL_MODE)
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memset_io(Crtat, 0, scp->xpixel*scp->ypixel/8);
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}
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sc_clear_screen(scp);
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scp->status &= ~UNKNOWN_MODE;
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return 0;
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case KD_PIXEL: /* pixel (raster) display */
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if (!(scp->status & (GRAPHICS_MODE | PIXEL_MODE)))
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return EINVAL;
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if (!(scp->status & PIXEL_MODE))
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return sc_set_pixel_mode(scp, tp, scp->xsize, scp->ysize,
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scp->font_size);
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s = spltty();
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if ((error = sc_clean_up(scp))) {
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splx(s);
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return error;
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}
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scp->status |= (UNKNOWN_MODE | PIXEL_MODE);
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splx(s);
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if (scp == cur_console) {
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set_mode(scp);
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load_palette(scp, palette);
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/* FIXME */
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memset_io(Crtat, 0, scp->xpixel*scp->ypixel/8);
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}
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sc_clear_screen(scp);
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scp->status &= ~UNKNOWN_MODE;
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return 0;
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case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */
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s = spltty();
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if ((error = sc_clean_up(scp))) {
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splx(s);
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return error;
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}
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scp->status |= UNKNOWN_MODE;
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splx(s);
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return 0;
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default:
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return EINVAL;
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}
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/* NOT REACHED */
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case KDRASTER: /* set pixel (raster) display mode */
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if (ISUNKNOWNSC(scp) || ISTEXTSC(scp))
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return ENODEV;
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return sc_set_pixel_mode(scp, tp, ((int *)data)[0], ((int *)data)[1],
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((int *)data)[2]);
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case KDGETMODE: /* get current mode of this (virtual) console */
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/*
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* From the user program's point of view, KD_PIXEL is the same
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* as KD_TEXT...
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*/
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*data = ISGRAPHSC(scp) ? KD_GRAPHICS : KD_TEXT;
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return 0;
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case KDSBORDER: /* set border color of this (virtual) console */
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scp->border = *data;
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if (scp == cur_console)
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set_border(cur_console, scp->border);
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return 0;
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}
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return ENOIOCTL;
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}
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#endif /* NSC > 0 */
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