1 /*- 2 * Copyright (c) 2015 Marcel Moolenaar 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, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #include <sys/param.h> 27 #include <sys/systm.h> 28 #include <sys/bus.h> 29 #include <sys/conf.h> 30 #include <sys/kernel.h> 31 #include <sys/module.h> 32 #include <machine/bus.h> 33 #include <sys/rman.h> 34 #include <machine/resource.h> 35 36 #include <isa/isavar.h> 37 #include <isa/pnpvar.h> 38 39 #include <dev/proto/proto.h> 40 41 static int proto_isa_probe(device_t dev); 42 static int proto_isa_attach(device_t dev); 43 44 static device_method_t proto_isa_methods[] = { 45 /* Device interface */ 46 DEVMETHOD(device_probe, proto_isa_probe), 47 DEVMETHOD(device_attach, proto_isa_attach), 48 DEVMETHOD(device_detach, proto_detach), 49 DEVMETHOD_END 50 }; 51 52 static driver_t proto_isa_driver = { 53 proto_driver_name, 54 proto_isa_methods, 55 sizeof(struct proto_softc), 56 }; 57 58 static char proto_isa_prefix[] = "isa"; 59 static char **proto_isa_devnames; 60 61 static int 62 proto_isa_probe(device_t dev) 63 { 64 struct resource *res; 65 int rid, type; 66 67 rid = 0; 68 type = SYS_RES_IOPORT; 69 res = bus_alloc_resource_any(dev, type, &rid, RF_ACTIVE); 70 if (res == NULL) { 71 type = SYS_RES_MEMORY; 72 res = bus_alloc_resource_any(dev, type, &rid, RF_ACTIVE); 73 } 74 if (res == NULL) 75 return (ENODEV); 76 77 device_set_descf(dev, "%s:%#jx", proto_isa_prefix, rman_get_start(res)); 78 bus_release_resource(dev, type, rid, res); 79 return (proto_probe(dev, proto_isa_prefix, &proto_isa_devnames)); 80 } 81 82 static int 83 proto_isa_alloc(device_t dev, int type, int nrids) 84 { 85 struct resource *res; 86 struct proto_softc *sc; 87 int count, rid; 88 89 sc = device_get_softc(dev); 90 count = 0; 91 for (rid = 0; rid < nrids; rid++) { 92 res = bus_alloc_resource_any(dev, type, &rid, RF_ACTIVE); 93 if (res == NULL) 94 break; 95 proto_add_resource(sc, type, rid, res); 96 count++; 97 } 98 if (type == SYS_RES_DRQ && count > 0) 99 proto_add_resource(sc, PROTO_RES_BUSDMA, 0, NULL); 100 return (count); 101 } 102 103 static int 104 proto_isa_attach(device_t dev) 105 { 106 107 proto_isa_alloc(dev, SYS_RES_IRQ, ISA_NIRQ); 108 proto_isa_alloc(dev, SYS_RES_DRQ, ISA_NDRQ); 109 proto_isa_alloc(dev, SYS_RES_IOPORT, ISA_NPORT); 110 proto_isa_alloc(dev, SYS_RES_MEMORY, ISA_NMEM); 111 return (proto_attach(dev)); 112 } 113 114 DRIVER_MODULE(proto, acpi, proto_isa_driver, NULL, NULL); 115 DRIVER_MODULE(proto, isa, proto_isa_driver, NULL, NULL); 116