1/*- 2 * Copyright (c) 1995, David Greenman 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 unmodified, this list of conditions, and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 */ 28 29#include <sys/cdefs.h> 30__FBSDID("$FreeBSD$"); 31 32/* 33 * National Semiconductor DP8393X SONIC Driver 34 * 35 * This is the C-bus specific attachment on FreeBSD 36 * written by Motomichi Matsuzaki <mzaki@e-mail.ne.jp> 37 */ 38 39#include <sys/param.h> 40#include <sys/systm.h> 41#include <sys/socket.h> 42#include <sys/kernel.h> 43 44#include <sys/module.h> 45#include <sys/bus.h> 46#include <machine/bus.h> 47#include <machine/resource.h> 48 49#include <net/if.h> 50#include <net/if_arp.h> 51#include <net/if_media.h> 52 53#include <isa/isavar.h> 54#include <sys/malloc.h> /* as dependency for isa/isa_common.h */ 55#include <isa/isa_common.h> /* for snc_isapnp_reconfig() */ 56 57#include <dev/snc/dp83932var.h> 58#include <dev/snc/if_sncreg.h> 59#include <dev/snc/if_sncvar.h> 60 61static void snc_isapnp_reconfig (device_t); 62static int snc_isa_probe (device_t); 63static int snc_isa_attach (device_t); 64 65static struct isa_pnp_id snc_ids[] = { 66 { 0x6180a3b8, NULL }, /* NEC8061 NEC PC-9801-104 */ 67 { 0, NULL } 68}; 69 70static void 71snc_isapnp_reconfig(device_t dev) 72{ 73 struct isa_device *idev = DEVTOISA(dev); 74 struct isa_config config; 75 u_long start, count; 76 int rid; 77 78 bzero(&config, sizeof(config)); 79 80 for (rid = 0; rid < ISA_NMEM; rid++) { 81 if (bus_get_resource(dev, SYS_RES_MEMORY, rid, &start, &count)) 82 break; 83 config.ic_mem[rid].ir_start = start; 84 config.ic_mem[rid].ir_end = start; 85 config.ic_mem[rid].ir_size = count; 86 } 87 config.ic_nmem = rid; 88 for (rid = 0; rid < ISA_NPORT; rid++) { 89 if (bus_get_resource(dev, SYS_RES_IOPORT, rid, &start, &count)) 90 break; 91 config.ic_port[rid].ir_start = start; 92 config.ic_port[rid].ir_end = start; 93 config.ic_port[rid].ir_size = count; 94 } 95 config.ic_nport = rid; 96 for (rid = 0; rid < ISA_NIRQ; rid++) { 97 if (bus_get_resource(dev, SYS_RES_IRQ, rid, &start, &count)) 98 break; 99 config.ic_irqmask[rid] = 1 << start; 100 } 101 config.ic_nirq = rid; 102 for (rid = 0; rid < ISA_NDRQ; rid++) { 103 if (bus_get_resource(dev, SYS_RES_DRQ, rid, &start, &count)) 104 break; 105 config.ic_drqmask[rid] = 1 << start; 106 } 107 config.ic_ndrq = rid; 108 109 idev->id_config_cb(idev->id_config_arg, &config, 1); 110} 111 112static int 113snc_isa_probe(device_t dev) 114{ 115 struct snc_softc *sc = device_get_softc(dev); 116 int type; 117 int error = 0; 118 119 bzero(sc, sizeof(struct snc_softc)); 120 121 /* Check isapnp ids */ 122 error = ISA_PNP_PROBE(device_get_parent(dev), dev, snc_ids); 123 124 /* If the card had a PnP ID that didn't match any we know about */ 125 if (error == ENXIO) { 126 return(error); 127 } 128 129 switch (error) { 130 case 0: /* Matched PnP */ 131 type = SNEC_TYPE_PNP; 132 break; 133 134 case ENOENT: /* Legacy ISA */ 135 type = SNEC_TYPE_LEGACY; 136 break; 137 138 default: /* If we had some other problem. */ 139 return(error); 140 } 141 142 if (type == SNEC_TYPE_PNP && isa_get_portsize(dev) == 0) { 143 int port; 144 int rid = 0; 145 struct resource *res = NULL; 146 147 for (port = 0x0888; port <= 0x3888; port += 0x1000) { 148 bus_set_resource(dev, SYS_RES_IOPORT, rid, 149 port, SNEC_NREGS); 150 res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 151 0ul, ~0ul, SNEC_NREGS, 152 0 /* !RF_ACTIVE */); 153 if (res) break; 154 } 155 156 printf("snc_isa_probe: broken PnP resource, "); 157 if (res) { 158 printf("use port 0x%x\n", port); 159 bus_release_resource(dev, SYS_RES_IOPORT, rid, res); 160 snc_isapnp_reconfig(dev); 161 } else { 162 printf("and can't find port\n"); 163 } 164 } 165 166 error = snc_alloc_port(dev, 0); 167 error = max(error, snc_alloc_memory(dev, 0)); 168 error = max(error, snc_alloc_irq(dev, 0, 0)); 169 170 if (!error && !snc_probe(dev, type)) 171 error = ENOENT; 172 173 snc_release_resources(dev); 174 return (error); 175} 176 177static int 178snc_isa_attach(device_t dev) 179{ 180 struct snc_softc *sc = device_get_softc(dev); 181 182 bzero(sc, sizeof(struct snc_softc)); 183 184 snc_alloc_port(dev, 0); 185 snc_alloc_memory(dev, 0); 186 snc_alloc_irq(dev, 0, 0); 187 188 /* This interface is always enabled. */ 189 sc->sc_enabled = 1; 190 191 return snc_attach(dev); 192} 193 194static device_method_t snc_isa_methods[] = { 195 /* Device interface */ 196 DEVMETHOD(device_probe, snc_isa_probe), 197 DEVMETHOD(device_attach, snc_isa_attach), 198 DEVMETHOD(device_shutdown, snc_shutdown), 199 200 { 0, 0 } 201}; 202 203static driver_t snc_isa_driver = { 204 "snc", 205 snc_isa_methods, 206 sizeof(struct snc_softc) 207}; 208 209DRIVER_MODULE(snc, isa, snc_isa_driver, snc_devclass, 0, 0); 210MODULE_DEPEND(snc, isa, 1, 1, 1); 211MODULE_DEPEND(snc, ether, 1, 1, 1); 212