initial import of NetBSD tree

1 files changed, 228 insertions, 0 deletions

diff --git a/sys/arch/amiga/dev/grf_cc.c b/sys/arch/amiga/dev/grf_cc.c
new file mode 100644
index 00000000000..52ec52d4236
--- /dev/null
+++ b/sys/arch/amiga/dev/grf_cc.c
@@ -0,0 +1,228 @@
+/*	$NetBSD: grf_cc.c,v 1.17 1995/02/16 21:57:34 chopps Exp $	*/
+
+/*
+ * Copyright (c) 1994 Christian E. Hopps
+ * 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.
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Christian E. Hopps.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * 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.
+ */
+#include "grfcc.h"
+#if NGRFCC > 0
+/*
+ * currently this is a backward compat hack that interface to 
+ * view.c
+ */
+
+#include <sys/param.h>
+#include <sys/errno.h>
+#include <sys/ioctl.h>
+#include <sys/queue.h>
+#include <sys/device.h>
+#include <vm/vm_param.h>
+#include <machine/cpu.h>
+#include <amiga/amiga/color.h>	/* DEBUG */
+#include <amiga/amiga/device.h>
+#include <amiga/amiga/custom.h>
+#include <amiga/amiga/cia.h>
+#include <amiga/dev/grfioctl.h>
+#include <amiga/dev/grfvar.h>
+#include <amiga/dev/grf_ccreg.h>
+#include <amiga/dev/grfabs_reg.h>
+#include <amiga/dev/viewioctl.h>
+
+
+int grfccmatch __P((struct device *, struct cfdata *, void *));
+int grfccprint __P((void *, char *));
+void grfccattach __P((struct device *, struct device *, void *));
+void grf_cc_on __P((struct grf_softc *));
+
+struct cfdriver grfcccd = {
+	NULL, "grfcc", (cfmatch_t)grfccmatch, grfccattach, 
+	DV_DULL, sizeof(struct grf_softc), NULL, 0 };
+
+/* 
+ * only used in console init
+ */
+static struct cfdata *cfdata;
+
+/*
+ * we make sure to only init things once.  this is somewhat
+ * tricky regarding the console.
+ */
+int 
+grfccmatch(pdp, cfp, auxp)
+	struct device *pdp;
+	struct cfdata *cfp;
+	void *auxp;
+{
+	static int ccconunit = -1;
+	char *mainbus_name = auxp;
+
+	/*
+	 * allow only one cc console
+	 */
+	if (amiga_realconfig == 0 && ccconunit != -1)
+		return(0);
+	if (matchname("grfcc", mainbus_name) == 0)
+		return(0);
+	if (amiga_realconfig == 0 || ccconunit != cfp->cf_unit) {
+		if (grfcc_probe() == 0) 
+			return(0);
+		viewprobe();
+		/*
+		 * XXX nasty hack. opens view[0] and never closes.
+		 */
+		if (viewopen(0, 0))
+			return(0);
+		if (amiga_realconfig == 0) {
+			ccconunit = cfp->cf_unit;
+			cfdata = cfp;
+		}
+	}
+	return(1);
+}
+
+/* 
+ * attach to the grfbus (mainbus)
+ */
+void
+grfccattach(pdp, dp, auxp)
+	struct device *pdp, *dp;
+	void *auxp;
+{
+	static struct grf_softc congrf;
+	static int coninited;
+	struct grf_softc *gp;
+
+	if (dp == NULL) 
+		gp = &congrf;
+	else
+		gp = (struct grf_softc *)dp;
+
+	if (dp != NULL && congrf.g_regkva != 0) {
+		/*
+		 * we inited earlier just copy the info
+		 * take care not to copy the device struct though.
+		 */
+		bcopy(&congrf.g_display, &gp->g_display, 
+		    (char *)&gp[1] - (char *)&gp->g_display);
+	} else {
+		gp->g_unit = GRF_CC_UNIT;
+		gp->g_flags = GF_ALIVE;
+		gp->g_mode = cc_mode;
+		gp->g_conpri = grfcc_cnprobe();
+		grfcc_iteinit(gp);
+		grf_cc_on(gp);
+	}
+	if (dp != NULL)
+		printf("\n");
+	/*
+	 * attach grf
+	 */
+	amiga_config_found(cfdata, &gp->g_device, gp, grfccprint);
+}
+
+int
+grfccprint(auxp, pnp)
+	void *auxp;
+	char *pnp;
+{
+	if (pnp)
+		printf("grf%d at %s", ((struct grf_softc *)auxp)->g_unit,
+			pnp);
+	return(UNCONF);
+}
+
+/*
+ * Change the mode of the display.
+ * Right now all we can do is grfon/grfoff.
+ * Return a UNIX error number or 0 for success.
+ */
+/*ARGSUSED*/
+int
+cc_mode(gp, cmd, arg, a2, a3)
+	struct grf_softc *gp;
+	int cmd, a2, a3;
+	void *arg;
+{
+	switch (cmd) {
+	case GM_GRFON:
+		grf_cc_on(gp);
+		return(0);
+	case GM_GRFOFF:
+		viewioctl(0, VIOCREMOVE, NULL, 0, -1);
+		return(0);
+	case GM_GRFCONFIG:
+	default:
+		break;
+	}
+	return(EINVAL);
+}
+
+void
+grf_cc_on(gp)
+	struct grf_softc *gp;
+{
+	struct view_size vs;
+	bmap_t bm;
+	struct grfinfo *gi;
+
+	gi = &gp->g_display;
+
+	viewioctl(0, VIOCGBMAP, &bm, 0, -1);
+  
+	gp->g_data = (caddr_t) 0xDeadBeaf; /* not particularly clean.. */
+  
+	gi->gd_regaddr = (caddr_t) 0xdff000;	/* depricated */
+	gi->gd_regsize = round_page(sizeof (custom));
+	gi->gd_fbaddr  = bm.hardware_address;
+	gi->gd_fbsize  = bm.depth*bm.bytes_per_row*bm.rows;
+
+	if (viewioctl (0, VIOCGSIZE, &vs, 0, -1)) {
+		/* fill in some default values... XXX */
+		vs.width = 640;
+		vs.height = 400;
+		vs.depth = 2;
+	}
+	gi->gd_colors = 1 << vs.depth;
+	gi->gd_planes = vs.depth;
+  
+	gi->gd_fbwidth = vs.width;
+	gi->gd_fbheight = vs.height;
+	gi->gd_fbx = 0;
+	gi->gd_fby = 0;
+	gi->gd_dwidth = vs.width;
+	gi->gd_dheight = vs.height;
+	gi->gd_dx = 0;
+	gi->gd_dy = 0;
+
+	gp->g_regkva = (void *)0xDeadBeaf;	/* builtin */
+	gp->g_fbkva = NULL;		/* not needed, view internal */
+
+	viewioctl(0, VIOCDISPLAY, NULL, 0, -1);
+}    
+#endif
+