The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/dev/syscons/scvidctl.c

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 1998 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The DragonFly Project
    8  * by Sascha Wildner <saw@online.de>
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   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.
   19  *
   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.
   30  */
   31 
   32 #include <sys/cdefs.h>
   33 __FBSDID("$FreeBSD$");
   34 
   35 #include "opt_syscons.h"
   36 
   37 #include <sys/param.h>
   38 #include <sys/systm.h>
   39 #include <sys/conf.h>
   40 #include <sys/signalvar.h>
   41 #include <sys/tty.h>
   42 #include <sys/kernel.h>
   43 #include <sys/fbio.h>
   44 #include <sys/consio.h>
   45 #include <sys/filedesc.h>
   46 #include <sys/lock.h>
   47 #include <sys/sx.h>
   48 #include <sys/mutex.h>
   49 #include <sys/proc.h>
   50 
   51 #include <dev/fb/fbreg.h>
   52 #include <dev/syscons/syscons.h>
   53 
   54 SET_DECLARE(scrndr_set, const sc_renderer_t);
   55 
   56 /* for compatibility with previous versions */
   57 /* 3.0-RELEASE used the following structure */
   58 typedef struct old_video_adapter {
   59     int                 va_index;
   60     int                 va_type;
   61     int                 va_flags;
   62 /* flag bits are the same as the -CURRENT
   63 #define V_ADP_COLOR     (1<<0)
   64 #define V_ADP_MODECHANGE (1<<1)
   65 #define V_ADP_STATESAVE (1<<2)
   66 #define V_ADP_STATELOAD (1<<3)
   67 #define V_ADP_FONT      (1<<4)
   68 #define V_ADP_PALETTE   (1<<5)
   69 #define V_ADP_BORDER    (1<<6)
   70 #define V_ADP_VESA      (1<<7)
   71 */
   72     int                 va_crtc_addr;
   73     u_int               va_window;      /* virtual address */
   74     size_t              va_window_size;
   75     size_t              va_window_gran;
   76     u_int               va_buffer;      /* virtual address */
   77     size_t              va_buffer_size;
   78     int                 va_initial_mode;
   79     int                 va_initial_bios_mode;
   80     int                 va_mode;
   81 } old_video_adapter_t;
   82 
   83 #define OLD_CONS_ADPINFO _IOWR('c', 101, old_video_adapter_t)
   84 
   85 /* 3.1-RELEASE used the following structure */
   86 typedef struct old_video_adapter_info {
   87     int                 va_index;
   88     int                 va_type;
   89     char                va_name[16];
   90     int                 va_unit;
   91     int                 va_flags;
   92     int                 va_io_base;
   93     int                 va_io_size;
   94     int                 va_crtc_addr;
   95     int                 va_mem_base;
   96     int                 va_mem_size;
   97     u_int               va_window;      /* virtual address */
   98     size_t              va_window_size;
   99     size_t              va_window_gran;
  100     u_int               va_buffer;
  101     size_t              va_buffer_size;
  102     int                 va_initial_mode;
  103     int                 va_initial_bios_mode;
  104     int                 va_mode;
  105     int                 va_line_width;
  106 } old_video_adapter_info_t;
  107 
  108 #define OLD_CONS_ADPINFO2 _IOWR('c', 101, old_video_adapter_info_t)
  109 
  110 /* 3.0-RELEASE and 3.1-RELEASE used the following structure */
  111 typedef struct old_video_info {
  112     int                 vi_mode;
  113     int                 vi_flags;
  114 /* flag bits are the same as the -CURRENT
  115 #define V_INFO_COLOR    (1<<0)
  116 #define V_INFO_GRAPHICS (1<<1)
  117 #define V_INFO_LINEAR   (1<<2)
  118 #define V_INFO_VESA     (1<<3)
  119 */
  120     int                 vi_width;
  121     int                 vi_height;
  122     int                 vi_cwidth;
  123     int                 vi_cheight;
  124     int                 vi_depth;
  125     int                 vi_planes;
  126     u_int               vi_window;      /* physical address */
  127     size_t              vi_window_size;
  128     size_t              vi_window_gran;
  129     u_int               vi_buffer;      /* physical address */
  130     size_t              vi_buffer_size;
  131 } old_video_info_t;
  132 
  133 #define OLD_CONS_MODEINFO _IOWR('c', 102, old_video_info_t)
  134 #define OLD_CONS_FINDMODE _IOWR('c', 103, old_video_info_t)
  135 
  136 int
  137 sc_set_text_mode(scr_stat *scp, struct tty *tp, int mode, int xsize, int ysize,
  138                  int fontsize, int fontwidth)
  139 {
  140     video_info_t info;
  141     struct winsize wsz;
  142     u_char *font;
  143 #ifndef SC_NO_HISTORY
  144     int prev_ysize;
  145 #endif
  146     int error;
  147     int s;
  148 
  149     if (vidd_get_info(scp->sc->adp, mode, &info))
  150         return ENODEV;
  151 
  152     /* adjust argument values */
  153     if (fontwidth <= 0)
  154         fontwidth = info.vi_cwidth;
  155     if (fontsize <= 0)
  156         fontsize = info.vi_cheight;
  157     if (fontsize < 14)
  158         fontsize = 8;
  159     else if (fontsize >= 16)
  160         fontsize = 16;
  161     else
  162         fontsize = 14;
  163 #ifndef SC_NO_FONT_LOADING
  164     switch (fontsize) {
  165     case 8:
  166         if ((scp->sc->fonts_loaded & FONT_8) == 0)
  167             return (EINVAL);
  168         font = scp->sc->font_8;
  169         break;
  170     case 14:
  171         if ((scp->sc->fonts_loaded & FONT_14) == 0)
  172             return (EINVAL);
  173         font = scp->sc->font_14;
  174         break;
  175     case 16:
  176         if ((scp->sc->fonts_loaded & FONT_16) == 0)
  177             return (EINVAL);
  178         font = scp->sc->font_16;
  179         break;
  180     }
  181 #else
  182     font = NULL;
  183 #endif
  184     if ((xsize <= 0) || (xsize > info.vi_width))
  185         xsize = info.vi_width;
  186     if ((ysize <= 0) || (ysize > info.vi_height))
  187         ysize = info.vi_height;
  188 
  189     /* stop screen saver, etc */
  190     s = spltty();
  191     if ((error = sc_clean_up(scp))) {
  192         splx(s);
  193         return error;
  194     }
  195 
  196     if (sc_render_match(scp, scp->sc->adp->va_name, 0) == NULL) {
  197         splx(s);
  198         return ENODEV;
  199     }
  200 
  201     /* set up scp */
  202 #ifndef SC_NO_HISTORY
  203     if (scp->history != NULL)
  204         sc_hist_save(scp);
  205     prev_ysize = scp->ysize;
  206 #endif
  207     /*
  208      * This is a kludge to fend off scrn_update() while we
  209      * muck around with scp. XXX
  210      */
  211     scp->status |= UNKNOWN_MODE | MOUSE_HIDDEN;
  212     scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE | MOUSE_VISIBLE);
  213     scp->mode = mode;
  214     scp->xsize = xsize;
  215     scp->ysize = ysize;
  216     scp->xoff = 0;
  217     scp->yoff = 0;
  218     scp->xpixel = scp->xsize*8;
  219     scp->ypixel = scp->ysize*fontsize;
  220     scp->font = font;
  221     scp->font_size = fontsize;
  222     scp->font_width = fontwidth;
  223 
  224     /* allocate buffers */
  225     sc_alloc_scr_buffer(scp, TRUE, TRUE);
  226     sc_init_emulator(scp, NULL);
  227 #ifndef SC_NO_CUTPASTE
  228     sc_alloc_cut_buffer(scp, FALSE);
  229 #endif
  230 #ifndef SC_NO_HISTORY
  231     sc_alloc_history_buffer(scp, 0, prev_ysize, FALSE);
  232 #endif
  233     splx(s);
  234 
  235     if (scp == scp->sc->cur_scp)
  236         set_mode(scp);
  237     scp->status &= ~UNKNOWN_MODE;
  238 
  239     if (tp == NULL)
  240         return 0;
  241     wsz.ws_col = scp->xsize;
  242     wsz.ws_row = scp->ysize;
  243     tty_set_winsize(tp, &wsz);
  244     return 0;
  245 }
  246 
  247 int
  248 sc_set_graphics_mode(scr_stat *scp, struct tty *tp, int mode)
  249 {
  250 #ifdef SC_NO_MODE_CHANGE
  251     return ENODEV;
  252 #else
  253     video_info_t info;
  254     struct winsize wsz;
  255     int error;
  256     int s;
  257 
  258     if (vidd_get_info(scp->sc->adp, mode, &info))
  259         return ENODEV;
  260 
  261     /* stop screen saver, etc */
  262     s = spltty();
  263     if ((error = sc_clean_up(scp))) {
  264         splx(s);
  265         return error;
  266     }
  267 
  268     if (sc_render_match(scp, scp->sc->adp->va_name, GRAPHICS_MODE) == NULL) {
  269         splx(s);
  270         return ENODEV;
  271     }
  272 
  273     /* set up scp */
  274     scp->status |= (UNKNOWN_MODE | GRAPHICS_MODE | MOUSE_HIDDEN);
  275     scp->status &= ~(PIXEL_MODE | MOUSE_VISIBLE);
  276     scp->mode = mode;
  277     /*
  278      * Don't change xsize and ysize; preserve the previous vty
  279      * and history buffers.
  280      */
  281     scp->xoff = 0;
  282     scp->yoff = 0;
  283     scp->xpixel = info.vi_width;
  284     scp->ypixel = info.vi_height;
  285     scp->font = NULL;
  286     scp->font_size = 0;
  287 #ifndef SC_NO_SYSMOUSE
  288     /* move the mouse cursor at the center of the screen */
  289     sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2);
  290 #endif
  291     sc_init_emulator(scp, NULL);
  292     splx(s);
  293 
  294     if (scp == scp->sc->cur_scp)
  295         set_mode(scp);
  296     /* clear_graphics();*/
  297     scp->status &= ~UNKNOWN_MODE;
  298 
  299     if (tp == NULL)
  300         return 0;
  301     wsz.ws_col = scp->xsize;
  302     wsz.ws_row = scp->ysize;
  303     tty_set_winsize(tp, &wsz);
  304     return 0;
  305 #endif /* SC_NO_MODE_CHANGE */
  306 }
  307 
  308 int
  309 sc_set_pixel_mode(scr_stat *scp, struct tty *tp, int xsize, int ysize, 
  310                   int fontsize, int fontwidth)
  311 {
  312 #ifndef SC_PIXEL_MODE
  313     return ENODEV;
  314 #else
  315     video_info_t info;
  316     struct winsize wsz;
  317     u_char *font;
  318 #ifndef SC_NO_HISTORY
  319     int prev_ysize;
  320 #endif
  321     int error;
  322     int s;
  323 
  324     if (vidd_get_info(scp->sc->adp, scp->mode, &info))
  325         return ENODEV;          /* this shouldn't happen */
  326 
  327     /* adjust argument values */
  328     if (fontsize <= 0)
  329         fontsize = info.vi_cheight;
  330     if (fontsize < 14)
  331         fontsize = 8;
  332     else if (fontsize >= 16)
  333         fontsize = 16;
  334     else
  335         fontsize = 14;
  336 #ifndef SC_NO_FONT_LOADING
  337     switch (fontsize) {
  338     case 8:
  339         if ((scp->sc->fonts_loaded & FONT_8) == 0)
  340             return (EINVAL);
  341         font = scp->sc->font_8;
  342         break;
  343     case 14:
  344         if ((scp->sc->fonts_loaded & FONT_14) == 0)
  345             return (EINVAL);
  346         font = scp->sc->font_14;
  347         break;
  348     case 16:
  349         if ((scp->sc->fonts_loaded & FONT_16) == 0)
  350             return (EINVAL);
  351         font = scp->sc->font_16;
  352         break;
  353     }
  354 #else
  355     font = NULL;
  356 #endif
  357     if (xsize <= 0)
  358         xsize = info.vi_width/8;
  359     if (ysize <= 0)
  360         ysize = info.vi_height/fontsize;
  361 
  362     if ((info.vi_width < xsize*8) || (info.vi_height < ysize*fontsize))
  363         return EINVAL;
  364 
  365     if (!sc_support_pixel_mode(&info))
  366         return ENODEV;
  367 
  368     /* stop screen saver, etc */
  369     s = spltty();
  370     if ((error = sc_clean_up(scp))) {
  371         splx(s);
  372         return error;
  373     }
  374 
  375     if (sc_render_match(scp, scp->sc->adp->va_name, PIXEL_MODE) == NULL) {
  376         splx(s);
  377         return ENODEV;
  378     }
  379 
  380 #if 0
  381     if (scp->tsw)
  382         (*scp->tsw->te_term)(scp, scp->ts);
  383     scp->tsw = NULL;
  384     scp->ts = NULL;
  385 #endif
  386 
  387     /* set up scp */
  388 #ifndef SC_NO_HISTORY
  389     if (scp->history != NULL)
  390         sc_hist_save(scp);
  391     prev_ysize = scp->ysize;
  392 #endif
  393     scp->status |= (UNKNOWN_MODE | PIXEL_MODE | MOUSE_HIDDEN);
  394     scp->status &= ~(GRAPHICS_MODE | MOUSE_VISIBLE);
  395     scp->xsize = xsize;
  396     scp->ysize = ysize;
  397     scp->xoff = (scp->xpixel/8 - xsize)/2;
  398     scp->yoff = (scp->ypixel/fontsize - ysize)/2;
  399     scp->font = font;
  400     scp->font_size = fontsize;
  401     scp->font_width = fontwidth;
  402 
  403     /* allocate buffers */
  404     sc_alloc_scr_buffer(scp, TRUE, TRUE);
  405     sc_init_emulator(scp, NULL);
  406 #ifndef SC_NO_CUTPASTE
  407     sc_alloc_cut_buffer(scp, FALSE);
  408 #endif
  409 #ifndef SC_NO_HISTORY
  410     sc_alloc_history_buffer(scp, 0, prev_ysize, FALSE);
  411 #endif
  412     splx(s);
  413 
  414     if (scp == scp->sc->cur_scp) {
  415         sc_set_border(scp, scp->border);
  416         sc_set_cursor_image(scp);
  417     }
  418 
  419     scp->status &= ~UNKNOWN_MODE;
  420 
  421     if (tp == NULL)
  422         return 0;
  423     wsz.ws_col = scp->xsize;
  424     wsz.ws_row = scp->ysize;
  425     tty_set_winsize(tp, &wsz);
  426     return 0;
  427 #endif /* SC_PIXEL_MODE */
  428 }
  429 
  430 int
  431 sc_support_pixel_mode(void *arg)
  432 {
  433 #ifdef SC_PIXEL_MODE
  434         video_info_t *info = arg;
  435 
  436         if ((info->vi_flags & V_INFO_GRAPHICS) == 0)
  437                 return (0);
  438 
  439         /*
  440          * We currently support the following graphic modes:
  441          *
  442          * - 4 bpp planar modes whose memory size does not exceed 64K
  443          * - 15, 16, 24 and 32 bpp linear modes
  444          */
  445         switch (info->vi_mem_model) {
  446         case V_INFO_MM_PLANAR:
  447                 if (info->vi_planes != 4)
  448                         break;
  449                 /*
  450                  * A memory size >64K requires bank switching to access
  451                  * the entire screen. XXX
  452                  */
  453                 if (info->vi_width * info->vi_height / 8 > info->vi_window_size)
  454                         break;
  455                 return (1);
  456         case V_INFO_MM_DIRECT:
  457                 if ((info->vi_flags & V_INFO_LINEAR) == 0 &&
  458                     info->vi_depth != 15 && info->vi_depth != 16 &&
  459                     info->vi_depth != 24 && info->vi_depth != 32)
  460                         break;
  461                 return (1);
  462         case V_INFO_MM_PACKED:
  463                 if ((info->vi_flags & V_INFO_LINEAR) == 0 &&
  464                     info->vi_depth != 8)
  465                         break;
  466                 return (1);
  467         }
  468 #endif
  469         return (0);
  470 }
  471 
  472 #define fb_ioctl(a, c, d)               \
  473         (((a) == NULL) ? ENODEV :       \
  474                          vidd_ioctl((a), (c), (caddr_t)(d)))
  475 
  476 int
  477 sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, struct thread *td)
  478 {
  479     scr_stat *scp;
  480     video_adapter_t *adp;
  481     video_info_t info;
  482     video_adapter_info_t adp_info;
  483     int error;
  484     int s;
  485 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
  486     defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
  487     int ival;
  488 #endif
  489 
  490     scp = SC_STAT(tp);
  491     if (scp == NULL)            /* tp == SC_MOUSE */
  492         return ENOIOCTL;
  493     adp = scp->sc->adp;
  494     if (adp == NULL)            /* shouldn't happen??? */
  495         return ENODEV;
  496 
  497     switch (cmd) {
  498     case CONS_CURRENTADP:       /* get current adapter index */
  499     case FBIO_ADAPTER:
  500         return fb_ioctl(adp, FBIO_ADAPTER, data);
  501 
  502     case CONS_CURRENT:          /* get current adapter type */
  503     case FBIO_ADPTYPE:
  504         return fb_ioctl(adp, FBIO_ADPTYPE, data);
  505 
  506     case OLD_CONS_ADPINFO:      /* adapter information (old interface) */
  507         if (((old_video_adapter_t *)data)->va_index >= 0) {
  508             adp = vid_get_adapter(((old_video_adapter_t *)data)->va_index);
  509             if (adp == NULL)
  510                 return ENODEV;
  511         }
  512         ((old_video_adapter_t *)data)->va_index = adp->va_index;
  513         ((old_video_adapter_t *)data)->va_type = adp->va_type;
  514         ((old_video_adapter_t *)data)->va_flags = adp->va_flags;
  515         ((old_video_adapter_t *)data)->va_crtc_addr = adp->va_crtc_addr;
  516         ((old_video_adapter_t *)data)->va_window = adp->va_window;
  517         ((old_video_adapter_t *)data)->va_window_size = adp->va_window_size;
  518         ((old_video_adapter_t *)data)->va_window_gran = adp->va_window_gran;
  519         ((old_video_adapter_t *)data)->va_buffer = adp->va_buffer;
  520         ((old_video_adapter_t *)data)->va_buffer_size = adp->va_buffer_size;
  521         ((old_video_adapter_t *)data)->va_mode = adp->va_mode;
  522         ((old_video_adapter_t *)data)->va_initial_mode = adp->va_initial_mode;
  523         ((old_video_adapter_t *)data)->va_initial_bios_mode
  524             = adp->va_initial_bios_mode;
  525         return 0;
  526 
  527     case OLD_CONS_ADPINFO2:     /* adapter information (yet another old I/F) */
  528         adp_info.va_index = ((old_video_adapter_info_t *)data)->va_index;
  529         if (adp_info.va_index >= 0) {
  530             adp = vid_get_adapter(adp_info.va_index);
  531             if (adp == NULL)
  532                 return ENODEV;
  533         }
  534         error = fb_ioctl(adp, FBIO_ADPINFO, &adp_info);
  535         if (error == 0)
  536             bcopy(&adp_info, data, sizeof(old_video_adapter_info_t));
  537         return error;
  538 
  539     case CONS_ADPINFO:          /* adapter information */
  540     case FBIO_ADPINFO:
  541         if (((video_adapter_info_t *)data)->va_index >= 0) {
  542             adp = vid_get_adapter(((video_adapter_info_t *)data)->va_index);
  543             if (adp == NULL)
  544                 return ENODEV;
  545         }
  546         return fb_ioctl(adp, FBIO_ADPINFO, data);
  547 
  548     case CONS_GET:              /* get current video mode */
  549     case FBIO_GETMODE:
  550         *(int *)data = scp->mode;
  551         return 0;
  552 
  553 #ifndef SC_NO_MODE_CHANGE
  554     case FBIO_SETMODE:          /* set video mode */
  555         if (!(adp->va_flags & V_ADP_MODECHANGE))
  556             return ENODEV;
  557         info.vi_mode = *(int *)data;
  558         error = fb_ioctl(adp, FBIO_MODEINFO, &info);
  559         if (error)
  560             return error;
  561         if (info.vi_flags & V_INFO_GRAPHICS)
  562             return sc_set_graphics_mode(scp, tp, *(int *)data);
  563         else
  564             return sc_set_text_mode(scp, tp, *(int *)data, 0, 0, 0, 0);
  565 #endif /* SC_NO_MODE_CHANGE */
  566 
  567     case OLD_CONS_MODEINFO:     /* get mode information (old infterface) */
  568         info.vi_mode = ((old_video_info_t *)data)->vi_mode;
  569         error = fb_ioctl(adp, FBIO_MODEINFO, &info);
  570         if (error == 0)
  571             bcopy(&info, (old_video_info_t *)data, sizeof(old_video_info_t));
  572         return error;
  573 
  574     case CONS_MODEINFO:         /* get mode information */
  575     case FBIO_MODEINFO:
  576         return fb_ioctl(adp, FBIO_MODEINFO, data);
  577 
  578     case OLD_CONS_FINDMODE:     /* find a matching video mode (old interface) */
  579         bzero(&info, sizeof(info));
  580         bcopy((old_video_info_t *)data, &info, sizeof(old_video_info_t));
  581         error = fb_ioctl(adp, FBIO_FINDMODE, &info);
  582         if (error == 0)
  583             bcopy(&info, (old_video_info_t *)data, sizeof(old_video_info_t));
  584         return error;
  585 
  586     case CONS_FINDMODE:         /* find a matching video mode */
  587     case FBIO_FINDMODE:
  588         return fb_ioctl(adp, FBIO_FINDMODE, data);
  589 
  590 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
  591     defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
  592     case _IO('c', 104):
  593         ival = IOCPARM_IVAL(data);
  594         data = (caddr_t)&ival;
  595         /* FALLTHROUGH */
  596 #endif
  597     case CONS_SETWINORG:        /* set frame buffer window origin */
  598     case FBIO_SETWINORG:
  599         if (scp != scp->sc->cur_scp)
  600             return ENODEV;      /* XXX */
  601         return fb_ioctl(adp, FBIO_SETWINORG, data);
  602 
  603     case FBIO_GETWINORG:        /* get frame buffer window origin */
  604         if (scp != scp->sc->cur_scp)
  605             return ENODEV;      /* XXX */
  606         return fb_ioctl(adp, FBIO_GETWINORG, data);
  607 
  608     case FBIO_GETDISPSTART:
  609     case FBIO_SETDISPSTART:
  610     case FBIO_GETLINEWIDTH:
  611     case FBIO_SETLINEWIDTH:
  612         if (scp != scp->sc->cur_scp)
  613             return ENODEV;      /* XXX */
  614         return fb_ioctl(adp, cmd, data);
  615 
  616     case FBIO_GETPALETTE:
  617     case FBIO_SETPALETTE:
  618     case FBIOPUTCMAP:
  619     case FBIOGETCMAP:
  620     case FBIOGTYPE:
  621         if (scp != scp->sc->cur_scp)
  622             return ENODEV;      /* XXX */
  623         return fb_ioctl(adp, cmd, data);
  624 
  625     case FBIO_BLANK:
  626         if (scp != scp->sc->cur_scp)
  627             return ENODEV;      /* XXX */
  628         return fb_ioctl(adp, cmd, data);
  629 
  630 #ifndef SC_NO_MODE_CHANGE
  631     /* generic text modes */
  632     case SW_TEXT_80x25: case SW_TEXT_80x30:
  633     case SW_TEXT_80x43: case SW_TEXT_80x50:
  634     case SW_TEXT_80x60:
  635         /* FALLTHROUGH */
  636 
  637     /* VGA TEXT MODES */
  638     case SW_VGA_C40x25:
  639     case SW_VGA_C80x25: case SW_VGA_M80x25:
  640     case SW_VGA_C80x30: case SW_VGA_M80x30:
  641     case SW_VGA_C80x50: case SW_VGA_M80x50:
  642     case SW_VGA_C80x60: case SW_VGA_M80x60:
  643     case SW_VGA_C90x25: case SW_VGA_M90x25:
  644     case SW_VGA_C90x30: case SW_VGA_M90x30:
  645     case SW_VGA_C90x43: case SW_VGA_M90x43:
  646     case SW_VGA_C90x50: case SW_VGA_M90x50:
  647     case SW_VGA_C90x60: case SW_VGA_M90x60:
  648     case SW_B40x25:     case SW_C40x25:
  649     case SW_B80x25:     case SW_C80x25:
  650     case SW_ENH_B40x25: case SW_ENH_C40x25:
  651     case SW_ENH_B80x25: case SW_ENH_C80x25:
  652     case SW_ENH_B80x43: case SW_ENH_C80x43:
  653     case SW_EGAMONO80x25:
  654         if (!(adp->va_flags & V_ADP_MODECHANGE))
  655             return ENODEV;
  656         return sc_set_text_mode(scp, tp, cmd & 0xff, 0, 0, 0, 0);
  657 
  658     /* GRAPHICS MODES */
  659     case SW_BG320:     case SW_BG640:
  660     case SW_CG320:     case SW_CG320_D:   case SW_CG640_E:
  661     case SW_CG640x350: case SW_ENH_CG640:
  662     case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320:
  663     case SW_VGA_MODEX:
  664         if (!(adp->va_flags & V_ADP_MODECHANGE))
  665             return ENODEV;
  666         return sc_set_graphics_mode(scp, tp, cmd & 0xff);
  667 #endif /* SC_NO_MODE_CHANGE */
  668 
  669 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
  670     defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
  671     case _IO('K', 10):
  672         ival = IOCPARM_IVAL(data);
  673         data = (caddr_t)&ival;
  674         /* FALLTHROUGH */
  675 #endif
  676     case KDSETMODE:             /* set current mode of this (virtual) console */
  677         switch (*(int *)data) {
  678         case KD_TEXT:           /* switch to TEXT (known) mode */
  679             /*
  680              * If scp->mode is of graphics modes, we don't know which
  681              * text mode to switch back to...
  682              */
  683             if (scp->status & GRAPHICS_MODE)
  684                 return EINVAL;
  685             /* restore fonts & palette ! */
  686 #if 0
  687 #ifndef SC_NO_FONT_LOADING
  688             if (ISFONTAVAIL(adp->va_flags) 
  689                 && !(scp->status & (GRAPHICS_MODE | PIXEL_MODE)))
  690                 /*
  691                  * FONT KLUDGE
  692                  * Don't load fonts for now... XXX
  693                  */
  694                 if (scp->sc->fonts_loaded & FONT_8)
  695                     sc_load_font(scp, 0, 8, 8, scp->sc->font_8, 0, 256);
  696                 if (scp->sc->fonts_loaded & FONT_14)
  697                     sc_load_font(scp, 0, 14, 8, scp->sc->font_14, 0, 256);
  698                 if (scp->sc->fonts_loaded & FONT_16)
  699                     sc_load_font(scp, 0, 16, 8, scp->sc->font_16, 0, 256);
  700             }
  701 #endif /* SC_NO_FONT_LOADING */
  702 #endif
  703 
  704 #ifndef SC_NO_PALETTE_LOADING
  705 #ifdef SC_PIXEL_MODE
  706             if (adp->va_info.vi_mem_model == V_INFO_MM_DIRECT)
  707                 vidd_load_palette(adp, scp->sc->palette2);
  708             else
  709 #endif
  710             vidd_load_palette(adp, scp->sc->palette);
  711 #endif
  712 
  713             /* move hardware cursor out of the way */
  714             vidd_set_hw_cursor(adp, -1, -1);
  715 
  716             /* FALLTHROUGH */
  717 
  718         case KD_TEXT1:          /* switch to TEXT (known) mode */
  719             /*
  720              * If scp->mode is of graphics modes, we don't know which
  721              * text/pixel mode to switch back to...
  722              */
  723             if (scp->status & GRAPHICS_MODE)
  724                 return EINVAL;
  725             s = spltty();
  726             if ((error = sc_clean_up(scp))) {
  727                 splx(s);
  728                 return error;
  729             }
  730             scp->status |= UNKNOWN_MODE | MOUSE_HIDDEN;
  731             splx(s);
  732             /* no restore fonts & palette */
  733             if (scp == scp->sc->cur_scp)
  734                 set_mode(scp);
  735             sc_clear_screen(scp);
  736             scp->status &= ~UNKNOWN_MODE;
  737             return 0;
  738 
  739 #ifdef SC_PIXEL_MODE
  740         case KD_PIXEL:          /* pixel (raster) display */
  741             if (!(scp->status & (GRAPHICS_MODE | PIXEL_MODE)))
  742                 return EINVAL;
  743             if (scp->status & GRAPHICS_MODE)
  744                 return sc_set_pixel_mode(scp, tp, scp->xsize, scp->ysize, 
  745                                          scp->font_size, scp->font_width);
  746             s = spltty();
  747             if ((error = sc_clean_up(scp))) {
  748                 splx(s);
  749                 return error;
  750             }
  751             scp->status |= (UNKNOWN_MODE | PIXEL_MODE | MOUSE_HIDDEN);
  752             splx(s);
  753             if (scp == scp->sc->cur_scp) {
  754                 set_mode(scp);
  755 #ifndef SC_NO_PALETTE_LOADING
  756                 if (adp->va_info.vi_mem_model == V_INFO_MM_DIRECT)
  757                     vidd_load_palette(adp, scp->sc->palette2);
  758                 else
  759                     vidd_load_palette(adp, scp->sc->palette);
  760 #endif
  761             }
  762             sc_clear_screen(scp);
  763             scp->status &= ~UNKNOWN_MODE;
  764             return 0;
  765 #endif /* SC_PIXEL_MODE */
  766 
  767         case KD_GRAPHICS:       /* switch to GRAPHICS (unknown) mode */
  768             s = spltty();
  769             if ((error = sc_clean_up(scp))) {
  770                 splx(s);
  771                 return error;
  772             }
  773             scp->status |= UNKNOWN_MODE | MOUSE_HIDDEN;
  774             splx(s);
  775             return 0;
  776 
  777         default:
  778             return EINVAL;
  779         }
  780         /* NOT REACHED */
  781 
  782 #ifdef SC_PIXEL_MODE
  783     case KDRASTER:              /* set pixel (raster) display mode */
  784         if (ISUNKNOWNSC(scp) || ISTEXTSC(scp))
  785             return ENODEV;
  786         return sc_set_pixel_mode(scp, tp, ((int *)data)[0], ((int *)data)[1], 
  787                                  ((int *)data)[2], 8);
  788 #endif /* SC_PIXEL_MODE */
  789 
  790     case KDGETMODE:             /* get current mode of this (virtual) console */
  791         /* 
  792          * From the user program's point of view, KD_PIXEL is the same 
  793          * as KD_TEXT... 
  794          */
  795         *data = ISGRAPHSC(scp) ? KD_GRAPHICS : KD_TEXT;
  796         return 0;
  797 
  798 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
  799     defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
  800     case _IO('K', 13):
  801         ival = IOCPARM_IVAL(data);
  802         data = (caddr_t)&ival;
  803         /* FALLTHROUGH */
  804 #endif
  805     case KDSBORDER:             /* set border color of this (virtual) console */
  806         scp->border = *(int *)data;
  807         if (scp == scp->sc->cur_scp)
  808             sc_set_border(scp, scp->border);
  809         return 0;
  810     }
  811 
  812     return ENOIOCTL;
  813 }
  814 
  815 static LIST_HEAD(, sc_renderer) sc_rndr_list = 
  816         LIST_HEAD_INITIALIZER(sc_rndr_list);
  817 
  818 int
  819 sc_render_add(sc_renderer_t *rndr)
  820 {
  821         LIST_INSERT_HEAD(&sc_rndr_list, rndr, link);
  822         return 0;
  823 }
  824 
  825 int
  826 sc_render_remove(sc_renderer_t *rndr)
  827 {
  828         /*
  829         LIST_REMOVE(rndr, link);
  830         */
  831         return EBUSY;   /* XXX */
  832 }
  833 
  834 sc_rndr_sw_t
  835 *sc_render_match(scr_stat *scp, char *name, int mode)
  836 {
  837         const sc_renderer_t **list;
  838         const sc_renderer_t *p;
  839 
  840         if (!LIST_EMPTY(&sc_rndr_list)) {
  841                 LIST_FOREACH(p, &sc_rndr_list, link) {
  842                         if ((strcmp(p->name, name) == 0)
  843                                 && (mode == p->mode)) {
  844                                 scp->status &=
  845                                     ~(VR_CURSOR_ON | VR_CURSOR_BLINK);
  846                                 return p->rndrsw;
  847                         }
  848                 }
  849         } else {
  850                 SET_FOREACH(list, scrndr_set) {
  851                         p = *list;
  852                         if ((strcmp(p->name, name) == 0)
  853                                 && (mode == p->mode)) {
  854                                 scp->status &=
  855                                     ~(VR_CURSOR_ON | VR_CURSOR_BLINK);
  856                                 return p->rndrsw;
  857                         }
  858                 }
  859         }
  860 
  861         return NULL;
  862 }

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