diff options
Diffstat (limited to 'src/mesa/drivers/ggi/default/genkgi_visual.c')
| -rw-r--r-- | src/mesa/drivers/ggi/default/genkgi_visual.c | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/src/mesa/drivers/ggi/default/genkgi_visual.c b/src/mesa/drivers/ggi/default/genkgi_visual.c new file mode 100644 index 0000000000..1c90120b3e --- /dev/null +++ b/src/mesa/drivers/ggi/default/genkgi_visual.c @@ -0,0 +1,184 @@ +/* $Id: genkgi_visual.c,v 1.1 1999/08/21 05:59:29 jtaylor Exp $ +****************************************************************************** + + display-fbdev-mesa-generic-kgi: visual handling + + Copyright (C) 1998 Andrew Apted [andrew@ggi-project.org] + Copyright (C) 1999 Marcus Sundberg [marcus@ggi-project.org] + Copyright (C) 1999 Creative Labs + + Permission is hereby granted, free of charge, to any person obtaining a + copy of this software and associated documentation files (the "Software"), + to deal in the Software without restriction, including without limitation + the rights to use, copy, modify, merge, publish, distribute, sublicense, + and/or sell copies of the Software, and to permit persons to whom the + Software is furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included in + all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + THE AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +****************************************************************************** +*/ + +#include <ggi/internal/ggi-dl.h> +#include <ggi/mesa/ggimesa_int.h> +#include <ggi/mesa/display/fbdev.h> +#include "genkgi.h" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> +#include <errno.h> +#include <unistd.h> +#include <fcntl.h> +#include <sys/stat.h> + +#ifdef HAVE_SYS_VT_H +#include <sys/vt.h> +#else +#include <linux/vt.h> +#endif +#ifdef HAVE_LINUX_KDEV_T_H +#include <linux/kdev_t.h> +#endif +#include <linux/tty.h> + + +static int refcount = 0; +static int vtnum; +static void *_ggi_fbdev_lock = NULL; +#ifdef FBIOGET_CON2FBMAP +static struct fb_con2fbmap origconmap; +#endif + +#define MAX_DEV_LEN 63 +#define DEFAULT_FBNUM 0 + +static char accel_prefix[] = "tgt-fbdev-kgicon-"; +#define PREFIX_LEN (sizeof(accel_prefix)) + +typedef struct { + int async; + char *str; +} accel_info; + +static accel_info accel_strings[] = +{ + { 0, "savage4" }, /* S3 Savage4 */ +}; + +#define NUM_ACCELS (sizeof(accel_strings)/sizeof(accel_info)) + +/* FIXME: These should be defined in the makefile system */ +#define CONF_FILE "/usr/local/etc/ggi/mesa/targets/genkgi.conf" +void *_configHandle; +char confstub[512] = CONF_FILE; +char *conffile = confstub; + +static int changed(ggi_visual_t vis, int whatchanged) +{ + gl_ggiDEBUG("Entered ggimesa_genkgi_changed\n"); + switch (whatchanged) + { + case GGI_CHG_APILIST: + { + char api[256]; + char args[256]; + int i; + const char *fname; + ggi_dlhandle *lib; + + for (i = 0; ggiGetAPI(vis, i, api, args) == 0; i++) + { + strcat(api, "-mesa"); + gl_ggiDEBUG("ggimesa_genkgi_changed: api=%s, i=%d\n", api, i); + fname = ggMatchConfig(_configHandle, api, NULL); + if (fname == NULL) + { + /* No special implementation for this sublib */ + continue; + } + + lib = ggiExtensionLoadDL(vis, fname, args, NULL); + } + } + break; + } + return 0; +} + +int GGIdlinit(ggi_visual *vis, const char *args, void *argptr) +{ + genkgi_hook_mesa *priv; + char libname[256], libargs[256]; + int id, err; + struct stat junk; + ggifunc_getapi *oldgetapi; + + gl_ggiDEBUG("display-fbdev-kgicon-mesa: GGIdlinit start\n"); + + GENKGI_PRIVATE(vis) = priv = malloc(sizeof(genkgi_hook_mesa)); + if (priv == NULL) + { + fprintf(stderr, "Failed to allocate genkgi_hook!\n"); + return GGI_DL_ERROR; + } + + err = ggLoadConfig(conffile, &_configHandle); + if (err != GGI_OK) + { + gl_ggiPrint("display-fbdev: Couldn't open %s\n", conffile); + return err; + } + + /* Hack city here. We need to probe the KGI driver properly to discover + * the acceleration type. + */ + priv->have_accel = 0; +#if 1 + if (stat("/proc/savage4", &junk) == 0) + { + sprintf(priv->accel, "%s%s", accel_prefix, "savage4"); + priv->have_accel = 1; + gl_ggiDEBUG("display-fbdev-kgicon-mesa: Using accel: \"%s\"\n", priv->accel); + } + +#endif + /* Mode management */ + vis->opdisplay->getapi = GGIMesa_genkgi_getapi; + + ggiIndicateChange(vis, GGI_CHG_APILIST); + + + /* Give the accel sublibs a chance to set up a driver */ + if (priv->have_accel == 1) + { + oldgetapi = vis->opdisplay->getapi; + vis->opdisplay->getapi = GGIMesa_genkgi_getapi; + changed(vis, GGI_CHG_APILIST); + /* If the accel sublibs didn't produce, back up + * and keep looking */ + if ((LIBGGI_MESAEXT(vis)->update_state == NULL) || + (LIBGGI_MESAEXT(vis)->setup_driver == NULL)) + vis->opdisplay->getapi = oldgetapi; + } + + gl_ggiDEBUG("display-fbdev-kgicon-mesa: GGIdlinit finished\n"); + + return 0; +} + +int GGIdlcleanup(ggi_visual *vis) +{ + return 0; +} + +#include <ggi/internal/ggidlinit.h> |