500 lines
13 KiB
C
500 lines
13 KiB
C
/*-
|
|
* Copyright (c) 1998 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer as
|
|
* the first lines of this file unmodified.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* $Id: scvidctl.c,v 1.3 1998/09/25 11:55:46 yokota Exp $
|
|
*/
|
|
|
|
#include "sc.h"
|
|
#include "opt_syscons.h"
|
|
|
|
#if NSC > 0
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/signalvar.h>
|
|
#include <sys/tty.h>
|
|
#include <sys/kernel.h>
|
|
|
|
#include <machine/apm_bios.h>
|
|
#include <machine/console.h>
|
|
|
|
#include <i386/isa/videoio.h>
|
|
#include <i386/isa/syscons.h>
|
|
|
|
/* video ioctl */
|
|
|
|
extern scr_stat *cur_console;
|
|
extern int fonts_loaded;
|
|
extern int sc_history_size;
|
|
extern u_char palette[];
|
|
extern int sc_flags;
|
|
|
|
int
|
|
sc_set_text_mode(scr_stat *scp, struct tty *tp, int mode, int xsize, int ysize,
|
|
int fontsize)
|
|
{
|
|
video_adapter_t *adp;
|
|
video_info_t info;
|
|
int error;
|
|
int s;
|
|
int i;
|
|
|
|
if ((*biosvidsw.get_info)(scp->adp, mode, &info))
|
|
return ENODEV;
|
|
adp = get_adapter(scp);
|
|
|
|
/* adjust argument values */
|
|
if (fontsize <= 0)
|
|
fontsize = info.vi_cheight;
|
|
if (fontsize < 14) {
|
|
fontsize = 8;
|
|
if (!(fonts_loaded & FONT_8))
|
|
return EINVAL;
|
|
} else if (fontsize >= 16) {
|
|
fontsize = 16;
|
|
if (!(fonts_loaded & FONT_16))
|
|
return EINVAL;
|
|
} else {
|
|
fontsize = 14;
|
|
if (!(fonts_loaded & FONT_14))
|
|
return EINVAL;
|
|
}
|
|
if ((xsize <= 0) || (xsize > info.vi_width))
|
|
xsize = info.vi_width;
|
|
if ((ysize <= 0) || (ysize > info.vi_height))
|
|
ysize = info.vi_height;
|
|
|
|
/* stop screen saver, etc */
|
|
s = spltty();
|
|
if ((error = sc_clean_up(scp))) {
|
|
splx(s);
|
|
return error;
|
|
}
|
|
|
|
/* set up scp */
|
|
if (scp->history != NULL)
|
|
i = imax(scp->history_size / scp->xsize
|
|
- imax(sc_history_size, scp->ysize), 0);
|
|
else
|
|
i = 0;
|
|
/*
|
|
* This is a kludge to fend off scrn_update() while we
|
|
* muck around with scp. XXX
|
|
*/
|
|
scp->status |= UNKNOWN_MODE;
|
|
scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE);
|
|
scp->mode = mode;
|
|
scp->font_size = fontsize;
|
|
scp->xsize = xsize;
|
|
scp->ysize = ysize;
|
|
scp->xpixel = scp->xsize*8;
|
|
scp->ypixel = scp->ysize*fontsize;
|
|
|
|
/* allocate buffers */
|
|
sc_alloc_scr_buffer(scp, TRUE, TRUE);
|
|
if (ISMOUSEAVAIL(adp->va_flags))
|
|
sc_alloc_cut_buffer(scp, FALSE);
|
|
sc_alloc_history_buffer(scp, sc_history_size, i, FALSE);
|
|
splx(s);
|
|
|
|
if (scp == cur_console)
|
|
set_mode(scp);
|
|
scp->status &= ~UNKNOWN_MODE;
|
|
if (ISTEXTSC(scp) && (sc_flags & CHAR_CURSOR))
|
|
set_destructive_cursor(scp);
|
|
|
|
if (tp == NULL)
|
|
return 0;
|
|
if (tp->t_winsize.ws_col != scp->xsize
|
|
|| tp->t_winsize.ws_row != scp->ysize) {
|
|
tp->t_winsize.ws_col = scp->xsize;
|
|
tp->t_winsize.ws_row = scp->ysize;
|
|
pgsignal(tp->t_pgrp, SIGWINCH, 1);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
sc_set_graphics_mode(scr_stat *scp, struct tty *tp, int mode)
|
|
{
|
|
video_adapter_t *adp;
|
|
video_info_t info;
|
|
int error;
|
|
int s;
|
|
|
|
if ((*biosvidsw.get_info)(scp->adp, mode, &info))
|
|
return ENODEV;
|
|
adp = get_adapter(scp);
|
|
|
|
/* stop screen saver, etc */
|
|
s = spltty();
|
|
if ((error = sc_clean_up(scp))) {
|
|
splx(s);
|
|
return error;
|
|
}
|
|
|
|
/* set up scp */
|
|
scp->status |= (UNKNOWN_MODE | GRAPHICS_MODE);
|
|
scp->status &= ~PIXEL_MODE;
|
|
scp->mode = mode;
|
|
scp->xpixel = info.vi_width;
|
|
scp->ypixel = info.vi_height;
|
|
scp->xsize = info.vi_width/8;
|
|
scp->ysize = info.vi_height/info.vi_cheight;
|
|
scp->font_size = FONT_NONE;
|
|
/* move the mouse cursor at the center of the screen */
|
|
sc_move_mouse(scp, scp->xpixel / 2, scp->ypixel / 2);
|
|
splx(s);
|
|
|
|
if (scp == cur_console)
|
|
set_mode(scp);
|
|
/* clear_graphics();*/
|
|
scp->status &= ~UNKNOWN_MODE;
|
|
|
|
if (tp == NULL)
|
|
return 0;
|
|
if (tp->t_winsize.ws_xpixel != scp->xpixel
|
|
|| tp->t_winsize.ws_ypixel != scp->ypixel) {
|
|
tp->t_winsize.ws_xpixel = scp->xpixel;
|
|
tp->t_winsize.ws_ypixel = scp->ypixel;
|
|
pgsignal(tp->t_pgrp, SIGWINCH, 1);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
sc_set_pixel_mode(scr_stat *scp, struct tty *tp, int xsize, int ysize,
|
|
int fontsize)
|
|
{
|
|
video_adapter_t *adp;
|
|
video_info_t info;
|
|
int error;
|
|
int s;
|
|
int i;
|
|
|
|
if ((*biosvidsw.get_info)(scp->adp, scp->mode, &info))
|
|
return ENODEV; /* this shouldn't happen */
|
|
adp = get_adapter(scp);
|
|
|
|
#ifdef SC_VIDEO_DEBUG
|
|
if (scp->scr_buf != NULL) {
|
|
printf("set_pixel_mode(): mode:%x, col:%d, row:%d, font:%d\n",
|
|
scp->mode, xsize, ysize, fontsize);
|
|
}
|
|
#endif
|
|
|
|
/* adjust argument values */
|
|
if ((fontsize <= 0) || (fontsize == FONT_NONE))
|
|
fontsize = info.vi_cheight;
|
|
if (fontsize < 14) {
|
|
fontsize = 8;
|
|
if (!(fonts_loaded & FONT_8))
|
|
return EINVAL;
|
|
} else if (fontsize >= 16) {
|
|
fontsize = 16;
|
|
if (!(fonts_loaded & FONT_16))
|
|
return EINVAL;
|
|
} else {
|
|
fontsize = 14;
|
|
if (!(fonts_loaded & FONT_14))
|
|
return EINVAL;
|
|
}
|
|
if (xsize <= 0)
|
|
xsize = info.vi_width/8;
|
|
if (ysize <= 0)
|
|
ysize = info.vi_height/fontsize;
|
|
|
|
#ifdef SC_VIDEO_DEBUG
|
|
if (scp->scr_buf != NULL) {
|
|
printf("set_pixel_mode(): mode:%x, col:%d, row:%d, font:%d\n",
|
|
scp->mode, xsize, ysize, fontsize);
|
|
printf("set_pixel_mode(): window:%x, %dx%d, xoff:%d, yoff:%d\n",
|
|
adp->va_window, info.vi_width, info.vi_height,
|
|
(info.vi_width/8 - xsize)/2,
|
|
(info.vi_height/fontsize - ysize)/2);
|
|
}
|
|
#endif
|
|
|
|
if ((info.vi_width < xsize*8) || (info.vi_height < ysize*fontsize))
|
|
return EINVAL;
|
|
|
|
/* only 16 color, 4 plane modes are supported XXX */
|
|
if ((info.vi_depth != 4) || (info.vi_planes != 4))
|
|
return ENODEV;
|
|
|
|
/*
|
|
* set_pixel_mode() currently does not support video modes whose
|
|
* memory size is larger than 64K. Because such modes require
|
|
* bank switching to access the entire screen. XXX
|
|
*/
|
|
if (info.vi_width*info.vi_height/8 > info.vi_window_size*1024)
|
|
return ENODEV;
|
|
|
|
/* stop screen saver, etc */
|
|
s = spltty();
|
|
if ((error = sc_clean_up(scp))) {
|
|
splx(s);
|
|
return error;
|
|
}
|
|
|
|
/* set up scp */
|
|
if (scp->history != NULL)
|
|
i = imax(scp->history_size / scp->xsize
|
|
- imax(sc_history_size, scp->ysize), 0);
|
|
else
|
|
i = 0;
|
|
scp->status |= (UNKNOWN_MODE | PIXEL_MODE);
|
|
scp->status &= ~(GRAPHICS_MODE | MOUSE_ENABLED);
|
|
scp->xsize = xsize;
|
|
scp->ysize = ysize;
|
|
scp->font_size = fontsize;
|
|
scp->xoff = (scp->xpixel/8 - xsize)/2;
|
|
scp->yoff = (scp->ypixel/fontsize - ysize)/2;
|
|
|
|
/* allocate buffers */
|
|
sc_alloc_scr_buffer(scp, TRUE, TRUE);
|
|
if (ISMOUSEAVAIL(adp->va_flags))
|
|
sc_alloc_cut_buffer(scp, FALSE);
|
|
sc_alloc_history_buffer(scp, sc_history_size, i, FALSE);
|
|
splx(s);
|
|
|
|
if (scp == cur_console)
|
|
set_border(scp, scp->border);
|
|
|
|
scp->status &= ~UNKNOWN_MODE;
|
|
|
|
#ifdef SC_VIDEO_DEBUG
|
|
printf("set_pixel_mode(): status:%x\n", scp->status);
|
|
#endif
|
|
|
|
if (tp == NULL)
|
|
return 0;
|
|
if (tp->t_winsize.ws_col != scp->xsize
|
|
|| tp->t_winsize.ws_row != scp->ysize) {
|
|
tp->t_winsize.ws_col = scp->xsize;
|
|
tp->t_winsize.ws_row = scp->ysize;
|
|
pgsignal(tp->t_pgrp, SIGWINCH, 1);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, int flag, struct proc *p)
|
|
{
|
|
scr_stat *scp;
|
|
video_adapter_t *adp;
|
|
int error;
|
|
int s;
|
|
|
|
scp = sc_get_scr_stat(tp->t_dev);
|
|
|
|
switch (cmd) {
|
|
|
|
case CONS_CURRENT: /* get current adapter type */
|
|
adp = get_adapter(scp);
|
|
*(int *)data = adp->va_type;
|
|
return 0;
|
|
|
|
case CONS_CURRENTADP: /* get current adapter index */
|
|
*(int *)data = scp->adp;
|
|
return 0;
|
|
|
|
case CONS_ADPINFO: /* adapter information */
|
|
adp = (*biosvidsw.adapter)(((video_adapter_t *)data)->va_index);
|
|
if (adp == NULL)
|
|
return ENODEV;
|
|
bcopy(adp, data, sizeof(*adp));
|
|
return 0;
|
|
|
|
case CONS_GET: /* get current video mode */
|
|
*(int *)data = scp->mode;
|
|
return 0;
|
|
|
|
case CONS_MODEINFO: /* get mode information */
|
|
return ((*biosvidsw.get_info)(scp->adp,
|
|
((video_info_t *)data)->vi_mode, (video_info_t *)data)
|
|
? ENODEV : 0);
|
|
|
|
case CONS_FINDMODE: /* find a matching video mode */
|
|
return ((*biosvidsw.query_mode)(scp->adp, (video_info_t *)data)
|
|
? ENODEV : 0);
|
|
|
|
case CONS_SETWINORG:
|
|
return ((*biosvidsw.set_win_org)(scp->adp, *(u_int *)data)
|
|
? ENODEV : 0);
|
|
|
|
/* generic text modes */
|
|
case SW_TEXT_80x25: case SW_TEXT_80x30:
|
|
case SW_TEXT_80x43: case SW_TEXT_80x50:
|
|
case SW_TEXT_80x60:
|
|
/* FALL THROUGH */
|
|
|
|
/* VGA TEXT MODES */
|
|
case SW_VGA_C40x25:
|
|
case SW_VGA_C80x25: case SW_VGA_M80x25:
|
|
case SW_VGA_C80x30: case SW_VGA_M80x30:
|
|
case SW_VGA_C80x50: case SW_VGA_M80x50:
|
|
case SW_VGA_C80x60: case SW_VGA_M80x60:
|
|
case SW_B40x25: case SW_C40x25:
|
|
case SW_B80x25: case SW_C80x25:
|
|
case SW_ENH_B40x25: case SW_ENH_C40x25:
|
|
case SW_ENH_B80x25: case SW_ENH_C80x25:
|
|
case SW_ENH_B80x43: case SW_ENH_C80x43:
|
|
case SW_EGAMONO80x25:
|
|
adp = get_adapter(scp);
|
|
if (!(adp->va_flags & V_ADP_MODECHANGE))
|
|
return ENODEV;
|
|
return sc_set_text_mode(scp, tp, cmd & 0xff, 0, 0, 0);
|
|
|
|
/* GRAPHICS MODES */
|
|
case SW_BG320: case SW_BG640:
|
|
case SW_CG320: case SW_CG320_D: case SW_CG640_E:
|
|
case SW_CG640x350: case SW_ENH_CG640:
|
|
case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320:
|
|
case SW_VGA_MODEX:
|
|
adp = get_adapter(scp);
|
|
if (!(adp->va_flags & V_ADP_MODECHANGE))
|
|
return ENODEV;
|
|
return sc_set_graphics_mode(scp, tp, cmd & 0xff);
|
|
|
|
case KDSETMODE: /* set current mode of this (virtual) console */
|
|
switch (*data) {
|
|
case KD_TEXT: /* switch to TEXT (known) mode */
|
|
/*
|
|
* If scp->mode is of graphics modes, we don't know which
|
|
* text mode to switch back to...
|
|
*/
|
|
if (scp->status & GRAPHICS_MODE)
|
|
return EINVAL;
|
|
/* restore fonts & palette ! */
|
|
#if 0
|
|
adp = get_adapter(scp);
|
|
if (ISFONTAVAIL(adp->va_flags)
|
|
&& !(scp->status & (GRAPHICS_MODE | PIXEL_MODE)))
|
|
/*
|
|
* FONT KLUDGE
|
|
* Don't load fonts for now... XXX
|
|
*/
|
|
if (fonts_loaded & FONT_8)
|
|
copy_font(scp, LOAD, 8, font_8);
|
|
if (fonts_loaded & FONT_14)
|
|
copy_font(scp, LOAD, 14, font_14);
|
|
if (fonts_loaded & FONT_16)
|
|
copy_font(scp, LOAD, 16, font_16);
|
|
}
|
|
#endif
|
|
load_palette(scp, palette);
|
|
|
|
/* move hardware cursor out of the way */
|
|
(*biosvidsw.set_hw_cursor)(scp->adp, -1, -1);
|
|
|
|
/* FALL THROUGH */
|
|
|
|
case KD_TEXT1: /* switch to TEXT (known) mode */
|
|
/*
|
|
* If scp->mode is of graphics modes, we don't know which
|
|
* text/pixel mode to switch back to...
|
|
*/
|
|
if (scp->status & GRAPHICS_MODE)
|
|
return EINVAL;
|
|
s = spltty();
|
|
if ((error = sc_clean_up(scp))) {
|
|
splx(s);
|
|
return error;
|
|
}
|
|
scp->status |= UNKNOWN_MODE;
|
|
splx(s);
|
|
/* no restore fonts & palette */
|
|
if (scp == cur_console)
|
|
set_mode(scp);
|
|
sc_clear_screen(scp);
|
|
scp->status &= ~UNKNOWN_MODE;
|
|
return 0;
|
|
|
|
case KD_PIXEL: /* pixel (raster) display */
|
|
if (!(scp->status & (GRAPHICS_MODE | PIXEL_MODE)))
|
|
return EINVAL;
|
|
if (scp->status & GRAPHICS_MODE)
|
|
return sc_set_pixel_mode(scp, tp, scp->xsize, scp->ysize,
|
|
scp->font_size);
|
|
s = spltty();
|
|
if ((error = sc_clean_up(scp))) {
|
|
splx(s);
|
|
return error;
|
|
}
|
|
scp->status |= (UNKNOWN_MODE | PIXEL_MODE);
|
|
splx(s);
|
|
if (scp == cur_console) {
|
|
set_mode(scp);
|
|
load_palette(scp, palette);
|
|
}
|
|
sc_clear_screen(scp);
|
|
scp->status &= ~UNKNOWN_MODE;
|
|
return 0;
|
|
|
|
case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */
|
|
s = spltty();
|
|
if ((error = sc_clean_up(scp))) {
|
|
splx(s);
|
|
return error;
|
|
}
|
|
scp->status |= UNKNOWN_MODE;
|
|
splx(s);
|
|
return 0;
|
|
|
|
default:
|
|
return EINVAL;
|
|
}
|
|
/* NOT REACHED */
|
|
|
|
case KDRASTER: /* set pixel (raster) display mode */
|
|
if (ISUNKNOWNSC(scp) || ISTEXTSC(scp))
|
|
return ENODEV;
|
|
return sc_set_pixel_mode(scp, tp, ((int *)data)[0], ((int *)data)[1],
|
|
((int *)data)[2]);
|
|
|
|
case KDGETMODE: /* get current mode of this (virtual) console */
|
|
/*
|
|
* From the user program's point of view, KD_PIXEL is the same
|
|
* as KD_TEXT...
|
|
*/
|
|
*data = ISGRAPHSC(scp) ? KD_GRAPHICS : KD_TEXT;
|
|
return 0;
|
|
|
|
case KDSBORDER: /* set border color of this (virtual) console */
|
|
scp->border = *data;
|
|
if (scp == cur_console)
|
|
set_border(cur_console, scp->border);
|
|
return 0;
|
|
}
|
|
|
|
return ENOIOCTL;
|
|
}
|
|
|
|
#endif /* NSC > 0 */
|