| /****************************************************************************** |
| |
| 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; |
| } |