From 95dcb43951b5d3c99514d1f2a50ea797217d328d Mon Sep 17 00:00:00 2001
From: Jon Taylor <taylorj@ggi-project.org>
Date: Sat, 21 Aug 1999 05:57:17 +0000
Subject: *** empty log message ***

---
 src/mesa/drivers/ggi/display/fbdev_mode.c | 134 ++++++++++++++++++++++++++++++
 1 file changed, 134 insertions(+)
 create mode 100644 src/mesa/drivers/ggi/display/fbdev_mode.c

(limited to 'src/mesa/drivers/ggi/display/fbdev_mode.c')

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..1c882f7f84
--- /dev/null
+++ b/src/mesa/drivers/ggi/display/fbdev_mode.c
@@ -0,0 +1,134 @@
+/* $Id: fbdev_mode.c,v 1.1 1999/08/21 05:57:59 jtaylor Exp $
+******************************************************************************
+
+   display-fbdev-mesa
+
+   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 <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>
+
+#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)
+{
+	fbdev_hook_mesa *priv = GGIMESA_PRIVATE(vis);
+	
+	strcpy(arguments, "");
+
+	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)
+{
+	fbdev_hook_mesa *priv = GGIMESA_PRIVATE(vis);
+	int err, id;
+	char libname[256], libargs[256];
+	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) == NULL) 
+		{
+			fprintf(stderr, "display-fbdev-mesa: Error opening the "
+				"%s (%s) library.\n", libname, libargs);
+			return GGI_EFATAL;
+		}
+
+		gl_ggiDEBUG("Success in loading %s (%s)\n", libname, libargs);
+	}
+
+	if (priv->oldpriv->accel &&
+	    _ggiOpenDL(vis, priv->accel, NULL, NULL) != NULL) {
+		priv->have_accel = 1;
+	} 
+	else 
+	{
+		priv->have_accel = 0;
+	}
+	vis->accelactive = 0;
+	
+	ggiIndicateChange(vis, GGI_CHG_APILIST);
+
+	gl_ggiDEBUG("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;
+	}
+
+	gl_ggiDEBUG("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;
+	}
+
+	gl_ggiDEBUG("display-fbdev-mesa: setmode success.\n");
+
+	return 0;
+}
-- 
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