1/*- 2 * Copyright (C) 2012 Margarida Gouveia 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 19 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 21 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 22 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26#include <sys/cdefs.h> 27__FBSDID("$FreeBSD$"); 28 29#include <sys/param.h> 30#include <sys/systm.h> 31#include <sys/module.h> 32#include <sys/bus.h> 33#include <sys/conf.h> 34#include <sys/kernel.h> 35#include <sys/malloc.h> 36#include <sys/rman.h> 37 38#include <machine/bus.h> 39#include <machine/platform.h> 40#include <machine/intr_machdep.h> 41#include <machine/resource.h> 42 43#include <powerpc/wii/wii_ipcreg.h> 44 45/* 46 * Driver to interface with the Wii's IOS. IOS are small "microkernels" that run 47 * on the Broadway GPU and provide access to system services like USB. 48 */ 49static int wiiipc_probe(device_t); 50static int wiiipc_attach(device_t); 51 52struct wiiipc_softc { 53}; 54 55static device_method_t wiiipc_methods[] = { 56 /* Device interface */ 57 DEVMETHOD(device_probe, wiiipc_probe), 58 DEVMETHOD(device_attach, wiiipc_attach), 59 60 DEVMETHOD_END 61}; 62 63static driver_t wiiipc_driver = { 64 "wiiipc", 65 wiiipc_methods, 66 sizeof(struct wiiipc_softc) 67}; 68 69static devclass_t wiiipc_devclass; 70 71DRIVER_MODULE(wiiipc, wiibus, wiiipc_driver, wiiipc_devclass, 0, 0); 72 73static int 74wiiipc_probe(device_t dev) 75{ 76 device_set_desc(dev, "Nintendo Wii IOS IPC"); 77 78 return (BUS_PROBE_NOWILDCARD); 79} 80 81static int 82wiiipc_attach(device_t dev) 83{ 84 struct wiiipc_softc *sc; 85 86 sc = device_get_softc(dev); 87#ifdef notyet 88 sc->sc_dev = dev; 89 90 sc->sc_rrid = 0; 91 sc->sc_rres = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 92 &sc->sc_rrid, RF_ACTIVE); 93 if (sc->sc_rres == NULL) { 94 device_printf(dev, "could not alloc mem resource\n"); 95 return (ENXIO); 96 } 97 sc->sc_bt = rman_get_bustag(sc->sc_rres); 98 sc->sc_bh = rman_get_bushandle(sc->sc_rres); 99#endif 100 101 return (0); 102} 103