diff options
Diffstat (limited to 'src/mesa/drivers/ggi/display/fbdev_mode.c')
-rw-r--r-- | src/mesa/drivers/ggi/display/fbdev_mode.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/src/mesa/drivers/ggi/display/fbdev_mode.c b/src/mesa/drivers/ggi/display/fbdev_mode.c new file mode 100644 index 0000000000..85c35ffe0e --- /dev/null +++ b/src/mesa/drivers/ggi/display/fbdev_mode.c @@ -0,0 +1,130 @@ +/****************************************************************************** + + display-fbdev-mesa + + Copyright (C) 1999 Jon Taylor [taylorj@ggi-project.org] + + 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 <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <fcntl.h> +#include <sys/ioctl.h> +#include <sys/mman.h> + +#include <linux/fb.h> + +#include <ggi/internal/ggi-dl.h> +#include <ggi/mesa/ggimesa_int.h> +#include <ggi/mesa/display_fbdev.h> +#include <ggi/mesa/debug.h> + +#ifndef MAP_FAILED +#define MAP_FAILED ((void*)-1) +#endif + +#define FB_KLUDGE_FONTX 8 +#define FB_KLUDGE_FONTY 16 +#define FB_KLUDGE_TEXTMODE 13 +#define TIMINGFILE "/etc/fb.modes" + +int GGIMesa_fbdev_getapi(ggi_visual *vis, int num, char *apiname, char *arguments) +{ + struct fbdev_priv_mesa *priv = GGIMESA_PRIV(vis); + + arguments = '\0'; + + switch(num) { + case 0: + if (priv->oldpriv->have_accel) { + strcpy(apiname, priv->oldpriv->accel); + return 0; + } + break; + } + + return -1; +} + +static int do_setmode(ggi_visual *vis) +{ + struct fbdev_priv_mesa *priv = GGIMESA_PRIV(vis); + int err, id; + char libname[GGI_API_MAXLEN], libargs[GGI_API_MAXLEN]; + ggi_graphtype gt; + + _ggiZapMode(vis, ~GGI_DL_OPDISPLAY); + priv->have_accel = 0; + + for (id = 1; GGIMesa_fbdev_getapi(vis, id, libname, libargs) == 0; id++) { + if (_ggiOpenDL(vis, libname, libargs, NULL) == 0) { + GGIMESADPRINT_LIBS(stderr, "display-fbdev-mesa: Error opening the " + "%s (%s) library.\n", libname, libargs); + return GGI_EFATAL; + } + + GGIMESADPRINT_CORE("Success in loading %s (%s)\n", + libname, libargs); + } + + if (priv->oldpriv->accel && + _ggiOpenDL(vis, priv->accel, NULL, NULL) != 0) { + priv->have_accel = 1; + } else { + priv->have_accel = 0; + } + vis->accelactive = 0; + + ggiIndicateChange(vis, GGI_CHG_APILIST); + + GGIMESADPRINT_CORE("display-fbdev-mesa: do_setmode SUCCESS\n"); + + return 0; +} + + +int GGIMesa_fbdev_setmode(ggi_visual *vis, ggi_mode *mode) +{ + int err; + + if ((err = ggiCheckMode(vis, mode)) != 0) { + return err; + } + + GGIMESADPRINT_CORE("display-fbdev-mesa: setmode %dx%d#%dx%dF%d[0x%02x]\n", + mode->visible.x, mode->visible.y, + mode->virt.x, mode->virt.y, + mode->frames, mode->graphtype); + + memcpy(LIBGGI_MODE(vis), mode, sizeof(ggi_mode)); + + /* Now actually set the mode */ + err = do_setmode(vis); + if (err != 0) { + return err; + } + + GGIMESADPRINT_CORE("display-fbdev-mesa: setmode success.\n"); + + return 0; +} |