1 files changed, 134 insertions, 0 deletions
diff --git a/sys/dev/syscons/scvesactl.c b/sys/dev/syscons/scvesactl.c
new file mode 100644
index 0000000..7a92d33f
--- /dev/null
+++ b/sys/dev/syscons/scvesactl.c
@@ -0,0 +1,134 @@
+/*-
+ * Copyright (c) 1998 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer as
+ *    the first lines of this file unmodified.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#include "opt_vga.h"
+
+#ifndef VGA_NO_MODE_CHANGE
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/conf.h>
+#include <sys/tty.h>
+#include <sys/kernel.h>
+#include <sys/fbio.h>
+#include <sys/consio.h>
+
+#include <machine/pc/vesa.h>
+
+#include <dev/fb/fbreg.h>
+#include <dev/syscons/syscons.h>
+
+static d_ioctl_t *prev_user_ioctl;
+
+static int
+vesa_ioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td)
+{
+	scr_stat *scp;
+	struct tty *tp;
+	int mode;
+
+	tp = dev->si_tty;
+	if (!tp)
+		return ENXIO;
+	scp = SC_STAT(tp->t_dev);
+
+	switch (cmd) {
+
+	/* generic text modes */
+	case SW_TEXT_132x25: case SW_TEXT_132x30:
+	case SW_TEXT_132x43: case SW_TEXT_132x50:
+	case SW_TEXT_132x60:
+		if (!(scp->sc->adp->va_flags & V_ADP_MODECHANGE))
+			return ENODEV;
+		return sc_set_text_mode(scp, tp, cmd & 0xff, 0, 0, 0);
+
+	/* text modes */
+	case SW_VESA_C80x60:
+	case SW_VESA_C132x25:
+	case SW_VESA_C132x43:
+	case SW_VESA_C132x50:
+	case SW_VESA_C132x60:
+		if (!(scp->sc->adp->va_flags & V_ADP_MODECHANGE))
+			return ENODEV;
+		mode = (cmd & 0xff) + M_VESA_BASE;
+		return sc_set_text_mode(scp, tp, mode, 0, 0, 0);
+
+	/* graphics modes */
+	case SW_VESA_32K_320: 	case SW_VESA_64K_320: 
+	case SW_VESA_FULL_320:
+
+	case SW_VESA_CG640x400:
+
+	case SW_VESA_CG640x480:
+	case SW_VESA_32K_640:	case SW_VESA_64K_640:
+	case SW_VESA_FULL_640:
+
+	case SW_VESA_800x600:	case SW_VESA_CG800x600:
+	case SW_VESA_32K_800:	case SW_VESA_64K_800:
+	case SW_VESA_FULL_800:
+
+	case SW_VESA_1024x768:	case SW_VESA_CG1024x768:
+	case SW_VESA_32K_1024:	case SW_VESA_64K_1024:
+	case SW_VESA_FULL_1024:
+
+	case SW_VESA_1280x1024:	case SW_VESA_CG1280x1024:
+	case SW_VESA_32K_1280:	case SW_VESA_64K_1280:
+	case SW_VESA_FULL_1280:
+		if (!(scp->sc->adp->va_flags & V_ADP_MODECHANGE))
+			return ENODEV;
+		mode = (cmd & 0xff) + M_VESA_BASE;
+		return sc_set_graphics_mode(scp, tp, mode);
+	}
+
+	if (prev_user_ioctl)
+		return (*prev_user_ioctl)(dev, cmd, data, flag, td);
+	else
+		return ENOIOCTL;
+}
+
+int
+vesa_load_ioctl(void)
+{
+	if (prev_user_ioctl)
+		return EBUSY;
+	prev_user_ioctl = sc_user_ioctl;
+	sc_user_ioctl = vesa_ioctl;
+	return 0;
+}
+
+int
+vesa_unload_ioctl(void)
+{
+	if (sc_user_ioctl != vesa_ioctl)
+		return EBUSY;
+	sc_user_ioctl = prev_user_ioctl;
+	prev_user_ioctl = NULL;
+	return 0;
+}
+
+#endif	/* SC_NO_MODE_CHANGE */