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      1 /*	$NetBSD: gfpic_mainbus.c,v 1.1 2024/01/02 07:40:59 thorpej Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2023 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: gfpic_mainbus.c,v 1.1 2024/01/02 07:40:59 thorpej Exp $");
     34 
     35 #include <sys/types.h>
     36 #include <sys/bus.h>
     37 #include <sys/device.h>
     38 #include <sys/intr.h>
     39 #include <sys/systm.h>
     40 
     41 #include <virt68k/dev/mainbusvar.h>
     42 
     43 #include <dev/goldfish/gfpicvar.h>
     44 
     45 static const struct device_compatible_entry compat_data[] = {
     46 	{ .compat = "google,goldfish-pic" },
     47 	DEVICE_COMPAT_EOL
     48 };
     49 
     50 static int
     51 gfpic_mainbus_match(device_t parent, cfdata_t cf, void *aux)
     52 {
     53 	struct mainbus_attach_args * const ma = aux;
     54 
     55 	return mainbus_compatible_match(ma, compat_data);
     56 }
     57 
     58 static void
     59 gfpic_mainbus_attach(device_t parent, device_t self, void *aux)
     60 {
     61 	struct gfpic_softc * const sc = device_private(self);
     62 	struct mainbus_attach_args * const ma = aux;
     63 
     64 	sc->sc_dev = self;
     65 	sc->sc_bst = ma->ma_st;
     66 	if (bus_space_map(sc->sc_bst, ma->ma_addr, ma->ma_size, 0,
     67 			  &sc->sc_bsh) != 0) {
     68 		aprint_error(": couldn't map registers\n");
     69 		return;
     70 	}
     71 
     72 	gfpic_attach(sc);
     73 
     74 	aprint_normal_dev(self, "interrupting at IPL %d\n", ma->ma_irq);
     75 	intr_register_pic(self, ma->ma_irq);
     76 }
     77 
     78 CFATTACH_DECL_NEW(gfpic_mainbus, sizeof(struct gfpic_softc),
     79 	gfpic_mainbus_match, gfpic_mainbus_attach, NULL, NULL);
     80