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 #include <sys/sbuf.h> 36 37 #include <isa/isavar.h> 38 #include <isa/pnpvar.h> 39 40 #include <dev/proto/proto.h> 41 42 static int proto_isa_probe(device_t dev); 43 static int proto_isa_attach(device_t dev); 44 45 static device_method_t proto_isa_methods[] = { 46 /* Device interface */ 47 DEVMETHOD(device_probe, proto_isa_probe), 48 DEVMETHOD(device_attach, proto_isa_attach), 49 DEVMETHOD(device_detach, proto_detach), 50 DEVMETHOD_END 51 }; 52 53 static driver_t proto_isa_driver = { 54 proto_driver_name, 55 proto_isa_methods, 56 sizeof(struct proto_softc), 57 }; 58 59 static char proto_isa_prefix[] = "isa"; 60 static char **proto_isa_devnames; 61 62 static int 63 proto_isa_probe(device_t dev) 64 { 65 struct sbuf *sb; 66 struct resource *res; 67 int rid, type; 68 69 rid = 0; 70 type = SYS_RES_IOPORT; 71 res = bus_alloc_resource_any(dev, type, &rid, RF_ACTIVE); 72 if (res == NULL) { 73 type = SYS_RES_MEMORY; 74 res = bus_alloc_resource_any(dev, type, &rid, RF_ACTIVE); 75 } 76 if (res == NULL) 77 return (ENODEV); 78 79 sb = sbuf_new_auto(); 80 sbuf_printf(sb, "%s:%#jx", proto_isa_prefix, rman_get_start(res)); 81 sbuf_finish(sb); 82 device_set_desc_copy(dev, sbuf_data(sb)); 83 sbuf_delete(sb); 84 bus_release_resource(dev, type, rid, res); 85 return (proto_probe(dev, proto_isa_prefix, &proto_isa_devnames)); 86 } 87 88 static int 89 proto_isa_alloc(device_t dev, int type, int nrids) 90 { 91 struct resource *res; 92 struct proto_softc *sc; 93 int count, rid; 94 95 sc = device_get_softc(dev); 96 count = 0; 97 for (rid = 0; rid < nrids; rid++) { 98 res = bus_alloc_resource_any(dev, type, &rid, RF_ACTIVE); 99 if (res == NULL) 100 break; 101 proto_add_resource(sc, type, rid, res); 102 count++; 103 } 104 if (type == SYS_RES_DRQ && count > 0) 105 proto_add_resource(sc, PROTO_RES_BUSDMA, 0, NULL); 106 return (count); 107 } 108 109 static int 110 proto_isa_attach(device_t dev) 111 { 112 113 proto_isa_alloc(dev, SYS_RES_IRQ, ISA_NIRQ); 114 proto_isa_alloc(dev, SYS_RES_DRQ, ISA_NDRQ); 115 proto_isa_alloc(dev, SYS_RES_IOPORT, ISA_NPORT); 116 proto_isa_alloc(dev, SYS_RES_MEMORY, ISA_NMEM); 117 return (proto_attach(dev)); 118 } 119 120 DRIVER_MODULE(proto, acpi, proto_isa_driver, NULL, NULL); 121 DRIVER_MODULE(proto, isa, proto_isa_driver, NULL, NULL); 122