/* * Copyright (c) 1994-2000 * Paul Richards. All rights reserved. * * PC-98 port by Chiharu Shibata & FreeBSD(98) porting team. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer, * verbatim and that no modifications are made prior to this * point in the file. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name Paul Richards may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY PAUL RICHARDS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL PAUL RICHARDS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #include #include #include #include #include #include #include /* DELAY() */ #include #include #include #include #include #include #include #include #include static struct isa_pnp_id lnc_pnp_ids[] = { {0, NULL} }; static bus_addr_t lnc_ioaddr_cnet98s[CNET98S_IOSIZE] = { 0x000, 0x001, 0x002, 0x003, 0x004, 0x005, 0x006, 0x007, 0x008, 0x009, 0x00a, 0x00b, 0x00c, 0x00d, 0x00e, 0x00f, 0x400, 0x401, 0x402, 0x403, 0x404, 0x405, 0x406, 0x407, 0x408, 0x409, 0x40a, 0x40b, 0x40c, 0x40d, 0x40e, 0x40f, }; static int lnc_legacy_probe(device_t dev) { struct lnc_softc *sc = device_get_softc(dev); u_int16_t tmp; sc->portrid = 0; sc->portres = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &sc->portrid, lnc_ioaddr_cnet98s, CNET98S_IOSIZE, RF_ACTIVE); if (! sc->portres) { device_printf(dev, "Failed to allocate I/O ports\n"); lnc_release_resources(dev); return (ENXIO); } isa_load_resourcev(sc->portres, lnc_ioaddr_cnet98s, CNET98S_IOSIZE); sc->lnc_btag = rman_get_bustag(sc->portres); sc->lnc_bhandle = rman_get_bushandle(sc->portres); /* Reset */ tmp = lnc_inw(CNET98S_RESET); lnc_outw(CNET98S_RESET, tmp); DELAY(500); sc->rap = CNET98S_RAP; sc->rdp = CNET98S_RDP; sc->nic.mem_mode = DMA_FIXED; if ((sc->nic.ic = lance_probe(sc))) { sc->nic.ident = CNET98S; device_set_desc(dev, "C-NET(98)S"); lnc_release_resources(dev); return (0); } else { lnc_release_resources(dev); return (ENXIO); } } static int lnc_isa_probe(device_t dev) { int pnp; pnp = ISA_PNP_PROBE(device_get_parent(dev), dev, lnc_pnp_ids); if (pnp == ENOENT) { /* It's not a PNP card, see if we support it by probing it */ return (lnc_legacy_probe(dev)); } else if (pnp == ENXIO) { return (ENXIO); } else { /* Found PNP card we support */ return (0); } } static void lnc_alloc_callback(void *arg, bus_dma_segment_t *seg, int nseg, int error) { /* Do nothing */ return; } static int lnc_isa_attach(device_t dev) { lnc_softc_t *sc = device_get_softc(dev); int err = 0; bus_size_t lnc_mem_size; device_printf(dev, "Attaching %s\n", device_get_desc(dev)); sc->portrid = 0; sc->portres = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &sc->portrid, lnc_ioaddr_cnet98s, CNET98S_IOSIZE, RF_ACTIVE); if (! sc->portres) { device_printf(dev, "Failed to allocate I/O ports\n"); lnc_release_resources(dev); return (ENXIO); } isa_load_resourcev(sc->portres, lnc_ioaddr_cnet98s, CNET98S_IOSIZE); sc->lnc_btag = rman_get_bustag(sc->portres); sc->lnc_bhandle = rman_get_bushandle(sc->portres); sc->drqrid = 0; sc->drqres = NULL; if (isa_get_irq(dev) == -1) bus_set_resource(dev, SYS_RES_IRQ, 0, 6, 1); sc->irqrid = 0; sc->irqres = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irqrid, 0, ~0, 1, RF_ACTIVE); if (! sc->irqres) { device_printf(dev, "Failed to allocate irq\n"); lnc_release_resources(dev); return (ENXIO); } err = bus_setup_intr(dev, sc->irqres, INTR_TYPE_NET, lncintr, sc, &sc->intrhand); if (err) { device_printf(dev, "Failed to setup irq handler\n"); lnc_release_resources(dev); return (err); } /* XXX temp setting for nic */ sc->nic.mem_mode = DMA_FIXED; sc->nrdre = NRDRE; sc->ntdre = NTDRE; if (sc->nic.ident == CNET98S) { sc->rap = CNET98S_RAP; sc->rdp = CNET98S_RDP; } else if (sc->nic.ident == NE2100) { sc->rap = PCNET_RAP; sc->rdp = PCNET_RDP; sc->bdp = PCNET_BDP; } else { sc->rap = BICC_RAP; sc->rdp = BICC_RDP; } /* Create a DMA tag describing the ring memory we need */ lnc_mem_size = ((NDESC(sc->nrdre) + NDESC(sc->ntdre)) * sizeof(struct host_ring_entry)); lnc_mem_size += (NDESC(sc->nrdre) * RECVBUFSIZE) + (NDESC(sc->ntdre) * TRANSBUFSIZE); err = bus_dma_tag_create(NULL, /* parent */ 4, /* alignement */ 0, /* boundary */ BUS_SPACE_MAXADDR_24BIT, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ lnc_mem_size, /* segsize */ 1, /* nsegments */ BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 0, /* flags */ &sc->dmat); if (err) { device_printf(dev, "Can't create DMA tag\n"); lnc_release_resources(dev); return (ENOMEM); } err = bus_dmamem_alloc(sc->dmat, (void **)&sc->recv_ring, BUS_DMA_NOWAIT, &sc->dmamap); if (err) { device_printf(dev, "Couldn't allocate memory\n"); lnc_release_resources(dev); return (ENOMEM); } err = bus_dmamap_load(sc->dmat, sc->dmamap, sc->recv_ring, lnc_mem_size, lnc_alloc_callback, sc->recv_ring, BUS_DMA_NOWAIT); if (err) { device_printf(dev, "Couldn't load DMA map\n"); lnc_release_resources(dev); return (ENOMEM); } /* Call generic attach code */ if (! lnc_attach_common(dev)) { device_printf(dev, "Generic attach code failed\n"); lnc_release_resources(dev); return (ENXIO); } /* * ISA Configuration * * XXX - Following parameters are Contec C-NET(98)S only. * So, check the Ethernet address here. * * Contec uses 00 80 4c ?? ?? ?? */ if (sc->arpcom.ac_enaddr[0] == (u_char)0x00 && sc->arpcom.ac_enaddr[1] == (u_char)0x80 && sc->arpcom.ac_enaddr[2] == (u_char)0x4c) { lnc_outw(sc->rap, MSRDA); lnc_outw(CNET98S_IDP, 0x0006); lnc_outw(sc->rap, MSWRA); lnc_outw(CNET98S_IDP, 0x0006); #ifdef DIAGNOSTIC lnc_outw(sc->rap, MC); printf("ISACSR2 = %x\n", lnc_inw(CNET98S_IDP)); #endif lnc_outw(sc->rap, LED1); lnc_outw(CNET98S_IDP, LED_PSE | LED_XMTE); lnc_outw(sc->rap, LED2); lnc_outw(CNET98S_IDP, LED_PSE | LED_RCVE); lnc_outw(sc->rap, LED3); lnc_outw(CNET98S_IDP, LED_PSE | LED_COLE); } return (0); } static int lnc_isa_detach(device_t dev) { lnc_softc_t *sc = device_get_softc(dev); int s = splimp(); ether_ifdetach(&sc->arpcom.ac_if); splx(s); lnc_stop(sc); lnc_release_resources(dev); return (0); } static device_method_t lnc_isa_methods[] = { /* DEVMETHOD(device_identify, lnc_isa_identify), */ DEVMETHOD(device_probe, lnc_isa_probe), DEVMETHOD(device_attach, lnc_isa_attach), DEVMETHOD(device_detach, lnc_isa_detach), #ifdef notyet DEVMETHOD(device_suspend, lnc_isa_suspend), DEVMETHOD(device_resume, lnc_isa_resume), DEVMETHOD(device_shutdown, lnc_isa_shutdown), #endif { 0, 0 } }; static driver_t lnc_isa_driver = { "lnc", lnc_isa_methods, sizeof(struct lnc_softc), }; DRIVER_MODULE(if_lnc, isa, lnc_isa_driver, lnc_devclass, 0, 0);