if_snc_cbus.c revision 92739
166550Snyan/* 266550Snyan * Copyright (c) 1995, David Greenman 366550Snyan * All rights reserved. 466550Snyan * 566550Snyan * Redistribution and use in source and binary forms, with or without 666550Snyan * modification, are permitted provided that the following conditions 766550Snyan * are met: 866550Snyan * 1. Redistributions of source code must retain the above copyright 966550Snyan * notice unmodified, this list of conditions, and the following 1066550Snyan * disclaimer. 1166550Snyan * 2. Redistributions in binary form must reproduce the above copyright 1266550Snyan * notice, this list of conditions and the following disclaimer in the 1366550Snyan * documentation and/or other materials provided with the distribution. 1466550Snyan * 1566550Snyan * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1666550Snyan * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1766550Snyan * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1866550Snyan * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1966550Snyan * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2066550Snyan * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2166550Snyan * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2266550Snyan * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2366550Snyan * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2466550Snyan * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2566550Snyan * SUCH DAMAGE. 2666550Snyan * 2766550Snyan * $FreeBSD: head/sys/dev/snc/if_snc_cbus.c 92739 2002-03-20 02:08:01Z alfred $ 2866550Snyan */ 2966550Snyan 3066550Snyan/* 3166550Snyan * National Semiconductor DP8393X SONIC Driver 3266550Snyan * 3366550Snyan * This is the C-bus specific attachment on FreeBSD 3466550Snyan * written by Motomichi Matsuzaki <mzaki@e-mail.ne.jp> 3566550Snyan */ 3666550Snyan 3766550Snyan#include <sys/param.h> 3866550Snyan#include <sys/systm.h> 3966550Snyan#include <sys/socket.h> 4066550Snyan#include <sys/kernel.h> 4166550Snyan 4266550Snyan#include <sys/module.h> 4366550Snyan#include <sys/bus.h> 4466550Snyan#include <machine/bus.h> 4566550Snyan#include <machine/resource.h> 4666550Snyan 4766550Snyan#include <net/if.h> 4866550Snyan#include <net/if_arp.h> 4966550Snyan#include <net/if_media.h> 5066550Snyan 5166550Snyan#include <isa/isavar.h> 5266550Snyan#include <sys/malloc.h> /* as dependency for isa/isa_common.h */ 5366550Snyan#include <isa/isa_common.h> /* for snc_isapnp_reconfig() */ 5466550Snyan 5566550Snyan#include <dev/snc/dp83932var.h> 5666550Snyan#include <dev/snc/if_sncreg.h> 5766550Snyan#include <dev/snc/if_sncvar.h> 5866550Snyan 5992739Salfredstatic void snc_isapnp_reconfig (device_t); 6092739Salfredstatic int snc_isa_probe (device_t); 6192739Salfredstatic int snc_isa_attach (device_t); 6266550Snyan 6366550Snyanstatic struct isa_pnp_id snc_ids[] = { 6466550Snyan { 0x6180a3b8, NULL }, /* NEC8061 NEC PC-9801-104 */ 6566550Snyan { 0, NULL } 6666550Snyan}; 6766550Snyan 6866550Snyanstatic void 6966550Snyansnc_isapnp_reconfig(dev) 7066550Snyan device_t dev; 7166550Snyan{ 7266550Snyan struct isa_device *idev = DEVTOISA(dev); 7366550Snyan struct isa_config config; 7466550Snyan u_long start, count; 7566550Snyan int rid; 7666550Snyan 7766550Snyan bzero(&config, sizeof(config)); 7866550Snyan 7966550Snyan for (rid = 0; rid < ISA_NMEM; rid++) { 8066550Snyan if (bus_get_resource(dev, SYS_RES_MEMORY, rid, &start, &count)) 8166550Snyan break; 8266550Snyan config.ic_mem[rid].ir_start = start; 8366550Snyan config.ic_mem[rid].ir_end = start; 8466550Snyan config.ic_mem[rid].ir_size = count; 8566550Snyan } 8666550Snyan config.ic_nmem = rid; 8766550Snyan for (rid = 0; rid < ISA_NPORT; rid++) { 8866550Snyan if (bus_get_resource(dev, SYS_RES_IOPORT, rid, &start, &count)) 8966550Snyan break; 9066550Snyan config.ic_port[rid].ir_start = start; 9166550Snyan config.ic_port[rid].ir_end = start; 9266550Snyan config.ic_port[rid].ir_size = count; 9366550Snyan } 9466550Snyan config.ic_nport = rid; 9566550Snyan for (rid = 0; rid < ISA_NIRQ; rid++) { 9666550Snyan if (bus_get_resource(dev, SYS_RES_IRQ, rid, &start, &count)) 9766550Snyan break; 9866550Snyan config.ic_irqmask[rid] = 1 << start; 9966550Snyan } 10066550Snyan config.ic_nirq = rid; 10166550Snyan for (rid = 0; rid < ISA_NDRQ; rid++) { 10266550Snyan if (bus_get_resource(dev, SYS_RES_DRQ, rid, &start, &count)) 10366550Snyan break; 10466550Snyan config.ic_drqmask[rid] = 1 << start; 10566550Snyan } 10666550Snyan config.ic_ndrq = rid; 10766550Snyan 10866550Snyan idev->id_config_cb(idev->id_config_arg, &config, 1); 10966550Snyan} 11066550Snyan 11166550Snyanstatic int 11266550Snyansnc_isa_probe(dev) 11366550Snyan device_t dev; 11466550Snyan{ 11566550Snyan struct snc_softc *sc = device_get_softc(dev); 11666550Snyan int type; 11766550Snyan int error = 0; 11866550Snyan 11966550Snyan bzero(sc, sizeof(struct snc_softc)); 12066550Snyan 12166550Snyan /* Check isapnp ids */ 12266550Snyan error = ISA_PNP_PROBE(device_get_parent(dev), dev, snc_ids); 12366550Snyan 12466550Snyan /* If the card had a PnP ID that didn't match any we know about */ 12566550Snyan if (error == ENXIO) { 12666550Snyan return(error); 12766550Snyan } 12866550Snyan 12966550Snyan switch (error) { 13066550Snyan case 0: /* Matched PnP */ 13166550Snyan type = SNEC_TYPE_PNP; 13266550Snyan break; 13366550Snyan 13466550Snyan case ENOENT: /* Legacy ISA */ 13566550Snyan type = SNEC_TYPE_LEGACY; 13666550Snyan break; 13766550Snyan 13866550Snyan default: /* If we had some other problem. */ 13966550Snyan return(error); 14066550Snyan } 14166550Snyan 14266550Snyan if (type == SNEC_TYPE_PNP && isa_get_portsize(dev) == 0) { 14366550Snyan int port; 14466550Snyan int rid = 0; 14566550Snyan struct resource *res = NULL; 14666550Snyan 14766550Snyan for (port = 0x0888; port <= 0x3888; port += 0x1000) { 14866550Snyan bus_set_resource(dev, SYS_RES_IOPORT, rid, 14966550Snyan port, SNEC_NREGS); 15066550Snyan res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 15166550Snyan 0, ~0, SNEC_NREGS, 15266550Snyan 0 /* !RF_ACTIVE */); 15366550Snyan if (res) break; 15466550Snyan } 15566550Snyan 15666550Snyan printf("snc_isa_probe: broken PnP resource, "); 15766550Snyan if (res) { 15866550Snyan printf("use port 0x%x\n", port); 15966550Snyan bus_release_resource(dev, SYS_RES_IOPORT, rid, res); 16066550Snyan snc_isapnp_reconfig(dev); 16166550Snyan } else { 16266550Snyan printf("and can't find port\n"); 16366550Snyan } 16466550Snyan } 16566550Snyan 16666550Snyan error = snc_alloc_port(dev, 0); 16766550Snyan error = max(error, snc_alloc_memory(dev, 0)); 16866550Snyan error = max(error, snc_alloc_irq(dev, 0, 0)); 16966550Snyan 17066550Snyan if (!error && !snc_probe(dev, type)) 17166550Snyan error = ENOENT; 17266550Snyan 17366550Snyan snc_release_resources(dev); 17466550Snyan return (error); 17566550Snyan} 17666550Snyan 17766550Snyanstatic int 17866550Snyansnc_isa_attach(dev) 17966550Snyan device_t dev; 18066550Snyan{ 18166550Snyan struct snc_softc *sc = device_get_softc(dev); 18266550Snyan int error; 18366550Snyan 18466550Snyan bzero(sc, sizeof(struct snc_softc)); 18566550Snyan 18666550Snyan snc_alloc_port(dev, 0); 18766550Snyan snc_alloc_memory(dev, 0); 18866550Snyan snc_alloc_irq(dev, 0, 0); 18966550Snyan 19066550Snyan error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET, 19166550Snyan sncintr, sc, &sc->irq_handle); 19266550Snyan if (error) { 19366550Snyan printf("snc_isa_attach: bus_setup_intr() failed\n"); 19466550Snyan snc_release_resources(dev); 19566550Snyan return (error); 19666550Snyan } 19766550Snyan 19866550Snyan /* This interface is always enabled. */ 19966550Snyan sc->sc_enabled = 1; 20066550Snyan 20166550Snyan return snc_attach(dev); 20266550Snyan} 20366550Snyan 20466550Snyanstatic device_method_t snc_isa_methods[] = { 20566550Snyan /* Device interface */ 20666550Snyan DEVMETHOD(device_probe, snc_isa_probe), 20766550Snyan DEVMETHOD(device_attach, snc_isa_attach), 20866550Snyan DEVMETHOD(device_shutdown, snc_shutdown), 20966550Snyan 21066550Snyan { 0, 0 } 21166550Snyan}; 21266550Snyan 21366550Snyanstatic driver_t snc_isa_driver = { 21466550Snyan "snc", 21566550Snyan snc_isa_methods, 21666550Snyan sizeof(struct snc_softc) 21766550Snyan}; 21866550Snyan 21966550SnyanDRIVER_MODULE(if_snc, isa, snc_isa_driver, snc_devclass, 0, 0); 220