/* * Copyright (c) 1994 Herb Peyerl * All rights reserved. * * 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. * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Herb Peyerl. * 4. The name of Herb Peyerl may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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: head/sys/dev/ep/if_ep_pccard.c 52472 1999-10-25 02:52:16Z imp $ */ /* * Pccard support for 3C589 by: * HAMADA Naoki * nao@tom-yam.or.jp */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* XXX should die XXX */ #include #include #include #include static const char *ep_pccard_identify(u_short id); /* * Initialize the device - called from Slot manager. */ static int ep_pccard_probe(device_t dev) { struct ep_board ep; struct ep_board *epb; u_long port_start, port_count; struct ep_softc fake_softc; struct ep_softc *sc = &fake_softc; const char *desc; int error; const char *name; name = pccard_get_name(dev); printf("ep_pccard_probe: Does %s match?\n", name); if (strcmp(name, "ep")) return ENXIO; epb = &ep; error = bus_get_resource(dev, SYS_RES_IOPORT, 0, &port_start, &port_count); if (error != 0) return error; /* get_e() requires these. */ bzero(sc, sizeof(*sc)); sc->ep_io_addr = port_start; sc->unit = device_get_unit(dev); sc->epb = epb; /* * XXX - Certain (newer?) 3Com cards need epb->cmd_off == * 2. Sadly, you need to have a correct cmd_off in order to * identify the card. So we have to hit it with both and * cross our virtual fingers. There's got to be a better way * to do this. jyoung@accessus.net 09/11/1999 */ epb->cmd_off = 0; epb->prod_id = get_e(sc, EEPROM_PROD_ID); if ((desc = ep_pccard_identify(epb->prod_id)) == NULL) { if (bootverbose) device_printf(dev, "Pass 1 of 2 detection " "failed (nonfatal)\n"); epb->cmd_off = 2; epb->prod_id = get_e(sc, EEPROM_PROD_ID); if ((desc = ep_pccard_identify(epb->prod_id))) { device_printf(dev, "Unit failed to come ready or " "product ID unknown! (id 0x%x)\n", epb->prod_id); return (ENXIO); } } return (0); } static const char * ep_pccard_identify(u_short id) { /* Determine device type and associated MII capabilities */ switch (id) { case 0x6055: /* 3C556 */ return ("3Com 3C556"); case 0x4057: /* 3C574 */ return("3Com 3C574"); case 0x4b57: /* 3C574B */ return("3Com 3C574B, Megahertz 3CCFE574BT or " "Fast Etherlink 3C574-TX"); case 0x9058: /* 3C589 */ return("3Com Etherlink III 3C589[B/C/D]"); } return (0); } static int ep_pccard_card_attach(struct ep_board *epb) { /* Determine device type and associated MII capabilities */ switch (epb->prod_id) { case 0x6055: /* 3C556 */ epb->mii_trans = 1; return (1); case 0x4057: /* 3C574 */ epb->mii_trans = 1; return (1); case 0x4b57: /* 3C574B */ epb->mii_trans = 1; return (1); case 0x9058: /* 3C589 */ epb->mii_trans = 0; return (1); } return (0); } static int ep_pccard_attach(device_t dev) { struct ep_softc *sc = 0; struct ep_board *epb; struct resource *io = 0; struct resource *irq = 0; int unit = device_get_unit(dev); int i, rid; u_short config; rid = 0; io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); if (!io) { device_printf(dev, "No I/O space?!\n"); goto bad; } epb = &ep_board[ep_boards]; epb->epb_addr = rman_get_start(io); epb->epb_used = 1; if ((sc = ep_alloc(unit, epb)) == 0) goto bad; ep_boards++; epb->cmd_off = 0; epb->prod_id = get_e(sc, EEPROM_PROD_ID); if (!ep_pccard_card_attach(epb)) { epb->cmd_off = 2; epb->prod_id = get_e(sc, EEPROM_PROD_ID); if (!ep_pccard_card_attach(epb)) { device_printf(dev, "Probe found ID, attach failed so ignore card!\n"); ep_free(sc); return (ENXIO); } } sc->ep_connectors = 0; epb->res_cfg = get_e(sc, EEPROM_RESOURCE_CFG); for (i = 0; i < 3; i++) sc->epb->eth_addr[i] = get_e(sc, EEPROM_NODE_ADDR_0 + i); config = inw(rman_get_start(io) + EP_W0_CONFIG_CTRL); if (config & IS_BNC) { sc->ep_connectors |= BNC; } if (config & IS_UTP) { sc->ep_connectors |= UTP; } if (!(sc->ep_connectors & 7)) /* (Apparently) non-fatal */ if (bootverbose) device_printf(dev, "No connectors or MII.\n"); sc->ep_connector = inw(BASE + EP_W0_ADDRESS_CFG) >> ACF_CONNECTOR_BITS; /* ROM size = 0, ROM base = 0 */ /* For now, ignore AUTO SELECT feature of 3C589B and later. */ outw(BASE + EP_W0_ADDRESS_CFG, get_e(sc, EEPROM_ADDR_CFG) & 0xc000); /* Fake IRQ must be 3 */ outw(BASE + EP_W0_RESOURCE_CFG, (sc->epb->res_cfg & 0x0fff) | 0x3000); outw(BASE + EP_W0_PRODUCT_ID, sc->epb->prod_id); if (sc->epb->mii_trans) { /* * turn on the MII transciever */ GO_WINDOW(3); outw(BASE + EP_W3_OPTIONS, 0x8040); DELAY(1000); outw(BASE + EP_W3_OPTIONS, 0xc040); outw(BASE + EP_COMMAND, RX_RESET); outw(BASE + EP_COMMAND, TX_RESET); while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS); DELAY(1000); outw(BASE + EP_W3_OPTIONS, 0x8040); } sc->irq = irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_ACTIVE); if (!irq) { device_printf(dev, "No irq?!\n"); goto bad; } ep_attach(sc); if (bus_setup_intr(dev, irq, INTR_TYPE_NET, ep_intr, sc, &sc->ih)) { device_printf(dev, "cannot setup intr\n"); goto bad; } sc->arpcom.ac_if.if_snd.ifq_maxlen = ifqmaxlen; return 0; bad: if (io) bus_release_resource(dev, SYS_RES_IOPORT, 0, io); if (irq) bus_release_resource(dev, SYS_RES_IRQ, 0, irq); if (sc) ep_free(sc); return ENXIO; } static void ep_pccard_detach(device_t dev) { struct ep_softc *sc = device_get_softc(dev); printf("detach\n"); if (sc->gone) { device_printf(dev, "already unloaded\n"); return; } sc->arpcom.ac_if.if_flags &= ~IFF_RUNNING; if_down(&sc->arpcom.ac_if); sc->gone = 1; bus_teardown_intr(dev, sc->irq, sc->ih); device_printf(dev, "unload\n"); } static device_method_t ep_pccard_methods[] = { /* Device interface */ DEVMETHOD(device_probe, ep_pccard_probe), DEVMETHOD(device_attach, ep_pccard_attach), DEVMETHOD(device_detach, ep_pccard_detach), { 0, 0 } }; static driver_t ep_pccard_driver = { "ep", ep_pccard_methods, 1, /* unused */ }; extern devclass_t ep_devclass; DRIVER_MODULE(ep, pccard, ep_pccard_driver, ep_devclass, 0, 0);