if_snc_cbus.c revision 242871
1139735Simp/*- 2129198Scognet * Copyright (c) 1995, David Greenman 3129198Scognet * All rights reserved. 4129198Scognet * 5129198Scognet * Redistribution and use in source and binary forms, with or without 6129198Scognet * modification, are permitted provided that the following conditions 7129198Scognet * are met: 8129198Scognet * 1. Redistributions of source code must retain the above copyright 9129198Scognet * notice unmodified, this list of conditions, and the following 10129198Scognet * disclaimer. 11129198Scognet * 2. Redistributions in binary form must reproduce the above copyright 12129198Scognet * notice, this list of conditions and the following disclaimer in the 13129198Scognet * documentation and/or other materials provided with the distribution. 14129198Scognet * 15182934Sraj * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16129198Scognet * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17129198Scognet * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18129198Scognet * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19129198Scognet * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20129198Scognet * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21129198Scognet * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22129198Scognet * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23129198Scognet * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24129198Scognet * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25129198Scognet * SUCH DAMAGE. 26129198Scognet * 27129198Scognet */ 28129198Scognet 29129198Scognet#include <sys/cdefs.h> 30129198Scognet__FBSDID("$FreeBSD: head/sys/dev/snc/if_snc_cbus.c 242871 2012-11-10 14:58:06Z nyan $"); 31129198Scognet 32129198Scognet/* 33129198Scognet * National Semiconductor DP8393X SONIC Driver 34129198Scognet * 35129198Scognet * This is the C-bus specific attachment on FreeBSD 36129198Scognet * written by Motomichi Matsuzaki <mzaki@e-mail.ne.jp> 37129198Scognet */ 38129198Scognet 39129198Scognet#include <sys/param.h> 40129198Scognet#include <sys/systm.h> 41129198Scognet#include <sys/socket.h> 42129198Scognet#include <sys/kernel.h> 43129198Scognet 44129198Scognet#include <sys/module.h> 45129198Scognet#include <sys/bus.h> 46129198Scognet#include <machine/bus.h> 47129198Scognet#include <machine/resource.h> 48129198Scognet 49129198Scognet#include <net/if.h> 50129198Scognet#include <net/if_arp.h> 51129198Scognet#include <net/if_media.h> 52129198Scognet 53129198Scognet#include <isa/isavar.h> 54129198Scognet#include <sys/malloc.h> /* as dependency for isa/isa_common.h */ 55129198Scognet#include <isa/isa_common.h> /* for snc_isapnp_reconfig() */ 56129198Scognet 57129198Scognet#include <dev/snc/dp83932var.h> 58129198Scognet#include <dev/snc/if_sncreg.h> 59129198Scognet#include <dev/snc/if_sncvar.h> 60129198Scognet 61129198Scognetstatic void snc_isapnp_reconfig (device_t); 62129198Scognetstatic int snc_isa_probe (device_t); 63266000Sianstatic int snc_isa_attach (device_t); 64266000Sian 65266000Sianstatic struct isa_pnp_id snc_ids[] = { 66266079Sian { 0x6180a3b8, NULL }, /* NEC8061 NEC PC-9801-104 */ 67266000Sian { 0, NULL } 68266079Sian}; 69266160Sian 70266160Sianstatic void 71129198Scognetsnc_isapnp_reconfig(device_t dev) 72129198Scognet{ 73129198Scognet struct isa_device *idev = DEVTOISA(dev); 74129198Scognet struct isa_config config; 75129198Scognet u_long start, count; 76129198Scognet int rid; 77129198Scognet 78129198Scognet bzero(&config, sizeof(config)); 79129198Scognet 80129198Scognet for (rid = 0; rid < ISA_NMEM; rid++) { 81129198Scognet if (bus_get_resource(dev, SYS_RES_MEMORY, rid, &start, &count)) 82129198Scognet break; 83129198Scognet config.ic_mem[rid].ir_start = start; 84212413Savg config.ic_mem[rid].ir_end = start; 85129198Scognet config.ic_mem[rid].ir_size = count; 86182934Sraj } 87129198Scognet config.ic_nmem = rid; 88182934Sraj for (rid = 0; rid < ISA_NPORT; rid++) { 89266070Sian if (bus_get_resource(dev, SYS_RES_IOPORT, rid, &start, &count)) 90266070Sian break; 91266000Sian config.ic_port[rid].ir_start = start; 92266000Sian config.ic_port[rid].ir_end = start; 93266000Sian config.ic_port[rid].ir_size = count; 94182934Sraj } 95182934Sraj config.ic_nport = rid; 96182934Sraj for (rid = 0; rid < ISA_NIRQ; rid++) { 97147166Scognet if (bus_get_resource(dev, SYS_RES_IRQ, rid, &start, &count)) 98266079Sian break; 99266079Sian config.ic_irqmask[rid] = 1 << start; 100266128Sian } 101266079Sian config.ic_nirq = rid; 102266079Sian for (rid = 0; rid < ISA_NDRQ; rid++) { 103129198Scognet if (bus_get_resource(dev, SYS_RES_DRQ, rid, &start, &count)) 104129198Scognet break; 105129198Scognet config.ic_drqmask[rid] = 1 << start; 106129198Scognet } 107129198Scognet config.ic_ndrq = rid; 108129198Scognet 109129198Scognet idev->id_config_cb(idev->id_config_arg, &config, 1); 110129198Scognet} 111129198Scognet 112266070Sianstatic int 113266000Siansnc_isa_probe(device_t dev) 114129198Scognet{ 115147166Scognet struct snc_softc *sc = device_get_softc(dev); 116266079Sian int type; 117266079Sian int error = 0; 118266079Sian 119129198Scognet bzero(sc, sizeof(struct snc_softc)); 120129198Scognet 121129198Scognet /* Check isapnp ids */ 122266000Sian error = ISA_PNP_PROBE(device_get_parent(dev), dev, snc_ids); 123129198Scognet 124129198Scognet /* If the card had a PnP ID that didn't match any we know about */ 125129198Scognet if (error == ENXIO) { 126129198Scognet return(error); 127129198Scognet } 128270075Sian 129270075Sian switch (error) { 130129198Scognet case 0: /* Matched PnP */ 131129198Scognet type = SNEC_TYPE_PNP; 132129198Scognet break; 133129198Scognet 134209129Sraj case ENOENT: /* Legacy ISA */ 135129198Scognet type = SNEC_TYPE_LEGACY; 136182934Sraj break; 137209129Sraj 138129198Scognet default: /* If we had some other problem. */ 139129198Scognet return(error); 140129198Scognet } 141129198Scognet 142129198Scognet if (type == SNEC_TYPE_PNP && isa_get_portsize(dev) == 0) { 143182934Sraj int port; 144209232Sraj int rid = 0; 145221218Sjhb struct resource *res = NULL; 146209232Sraj 147209232Sraj for (port = 0x0888; port <= 0x3888; port += 0x1000) { 148221218Sjhb bus_set_resource(dev, SYS_RES_IOPORT, rid, 149209232Sraj port, SNEC_NREGS); 150209232Sraj res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 151129198Scognet 0ul, ~0ul, SNEC_NREGS, 152129198Scognet 0 /* !RF_ACTIVE */); 153129198Scognet if (res) break; 154129198Scognet } 155129198Scognet 156182934Sraj printf("snc_isa_probe: broken PnP resource, "); 157182934Sraj if (res) { 158129198Scognet printf("use port 0x%x\n", port); 159129198Scognet bus_release_resource(dev, SYS_RES_IOPORT, rid, res); 160129198Scognet snc_isapnp_reconfig(dev); 161129198Scognet } else { 162129198Scognet printf("and can't find port\n"); 163129198Scognet } 164182934Sraj } 165129198Scognet 166235907Sgber error = snc_alloc_port(dev, 0); 167182934Sraj error = max(error, snc_alloc_memory(dev, 0)); 168129198Scognet error = max(error, snc_alloc_irq(dev, 0, 0)); 169129198Scognet 170129198Scognet if (!error && !snc_probe(dev, type)) 171129198Scognet error = ENOENT; 172212413Savg 173129198Scognet snc_release_resources(dev); 174182934Sraj return (error); 175129198Scognet} 176182934Sraj 177129198Scognetstatic int 178129198Scognetsnc_isa_attach(device_t dev) 179182934Sraj{ 180129198Scognet struct snc_softc *sc = device_get_softc(dev); 181129198Scognet 182129198Scognet bzero(sc, sizeof(struct snc_softc)); 183182934Sraj 184129198Scognet snc_alloc_port(dev, 0); 185129198Scognet snc_alloc_memory(dev, 0); 186182934Sraj snc_alloc_irq(dev, 0, 0); 187182934Sraj 188129198Scognet /* This interface is always enabled. */ 189129198Scognet sc->sc_enabled = 1; 190129198Scognet 191129198Scognet return snc_attach(dev); 192129198Scognet} 193129198Scognet 194129198Scognetstatic device_method_t snc_isa_methods[] = { 195129198Scognet /* Device interface */ 196129198Scognet DEVMETHOD(device_probe, snc_isa_probe), 197129198Scognet DEVMETHOD(device_attach, snc_isa_attach), 198182934Sraj DEVMETHOD(device_shutdown, snc_shutdown), 199129198Scognet 200129198Scognet { 0, 0 } 201129198Scognet}; 202129198Scognet 203129198Scognetstatic driver_t snc_isa_driver = { 204129198Scognet "snc", 205129198Scognet snc_isa_methods, 206266000Sian sizeof(struct snc_softc) 207129198Scognet}; 208129198Scognet 209182934SrajDRIVER_MODULE(snc, isa, snc_isa_driver, snc_devclass, 0, 0); 210129198ScognetMODULE_DEPEND(snc, isa, 1, 1, 1); 211182934SrajMODULE_DEPEND(snc, ether, 1, 1, 1); 212129198Scognet