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      1 /*	$NetBSD: grf_subr.c,v 1.25 2022/08/09 08:09:44 rin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1996 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: grf_subr.c,v 1.25 2022/08/09 08:09:44 rin Exp $");
     34 
     35 #include <sys/param.h>
     36 #include <sys/device.h>
     37 #include <sys/systm.h>
     38 
     39 #include <machine/bus.h>
     40 #include <machine/grfioctl.h>
     41 
     42 #include <mac68k/nubus/nubus.h>
     43 #include <mac68k/dev/grfvar.h>
     44 
     45 void
     46 grf_establish(struct grfbus_softc *sc, nubus_slot *sp,
     47     int (*g_mode)(struct grf_softc *, int, void *))
     48 {
     49 	struct grfmode *gm = &sc->curr_mode;
     50 	struct grfbus_attach_args ga;
     51 
     52 	/* Print hardware characteristics. */
     53 	printf("%s: %d x %d, ", device_xname(sc->sc_dev), gm->width, gm->height);
     54 	if (gm->psize == 1)
     55 		printf("monochrome\n");
     56 	else
     57 		printf("%hu-bpp color\n", gm->psize);
     58 
     59 	/* Attach grf semantics to the hardware. */
     60 	ga.ga_name = "grf";
     61 	ga.ga_grfmode = gm;
     62 	ga.ga_slot = sp;
     63 	ga.ga_tag = sc->sc_tag;
     64 	ga.ga_handle = sc->sc_handle;
     65 	ga.ga_phys = sc->sc_basepa;
     66 	ga.ga_mode = g_mode;
     67 	ga.ga_set_mapreg = sc->sc_set_mapreg;
     68 	ga.ga_parent = sc;
     69 	(void)config_found(sc->sc_dev, &ga, grfbusprint, CFARGS_NONE);
     70 }
     71 
     72 int
     73 grfbusprint(void *aux, const char *name)
     74 {
     75 	struct grfbus_attach_args *ga = aux;
     76 
     77 	if (name)
     78 		aprint_normal("%s at %s", ga->ga_name, name);
     79 
     80 	return (UNCONF);
     81 }
     82