Current Path : /sys/dev/ep/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/dev/ep/if_ep_pccard.c |
/*- * Copyright (c) 1994 Herb Peyerl <hpeyerl@novatel.ca> * 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. */ /* * Pccard support for 3C589 by: * HAMADA Naoki * nao@tom-yam.or.jp */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/sys/dev/ep/if_ep_pccard.c 190908 2009-04-11 04:30:38Z imp $"); #include <sys/param.h> #include <sys/systm.h> #include <sys/kernel.h> #include <sys/socket.h> #include <sys/module.h> #include <sys/bus.h> #include <machine/bus.h> #include <machine/resource.h> #include <net/ethernet.h> #include <net/if.h> #include <net/if_arp.h> #include <net/if_media.h> #include <dev/ep/if_epreg.h> #include <dev/ep/if_epvar.h> #include <dev/pccard/pccardvar.h> #include <dev/pccard/pccard_cis.h> #include "pccarddevs.h" struct ep_pccard_product { struct pccard_product prod; int chipset; }; #define EP_CHIP_589 1 /* Classic 3c5x9 chipset */ #define EP_CHIP_574 2 /* Roadrunner */ #define EP_CHIP_C1 3 /* 3c1 */ static const struct ep_pccard_product ep_pccard_products[] = { { PCMCIA_CARD(3COM, 3C1), EP_CHIP_C1 }, { PCMCIA_CARD(3COM, 3C562), EP_CHIP_589 }, { PCMCIA_CARD(3COM, 3C589), EP_CHIP_589 }, { PCMCIA_CARD(3COM, 3CXEM556), EP_CHIP_589 }, { PCMCIA_CARD(3COM, 3CXEM556INT), EP_CHIP_589 }, { PCMCIA_CARD(3COM, 3C574), EP_CHIP_574 }, { PCMCIA_CARD(3COM, 3CCFEM556BI), EP_CHIP_574 }, { { NULL } } }; static const struct ep_pccard_product * ep_pccard_lookup(device_t dev) { return ((const struct ep_pccard_product *)pccard_product_lookup(dev, (const struct pccard_product *)ep_pccard_products, sizeof(ep_pccard_products[0]), NULL)); } static int ep_pccard_probe(device_t dev) { const struct ep_pccard_product *pp; int error; uint32_t fcn = PCCARD_FUNCTION_UNSPEC; /* Make sure we're a network function */ error = pccard_get_function(dev, &fcn); if (error != 0) return (error); if (fcn != PCCARD_FUNCTION_NETWORK) return (ENXIO); /* Check to see if we know about this card */ if ((pp = ep_pccard_lookup(dev)) == NULL) return EIO; if (pp->prod.pp_name != NULL) device_set_desc(dev, pp->prod.pp_name); return 0; } static int ep_pccard_mac(const struct pccard_tuple *tuple, void *argp) { uint8_t *enaddr = argp; int i; /* Code 0x88 is 3com's special cis node contianing the MAC */ if (tuple->code != 0x88) return (0); /* Make sure this is a sane node */ if (tuple->length < ETHER_ADDR_LEN) return (0); /* Copy the MAC ADDR and return success */ for (i = 0; i < ETHER_ADDR_LEN; i += 2) { enaddr[i] = pccard_tuple_read_1(tuple, i + 1); enaddr[i + 1] = pccard_tuple_read_1(tuple, i); } return (1); } static int ep_pccard_attach(device_t dev) { struct ep_softc *sc = device_get_softc(dev); uint16_t result; int error = 0; const struct ep_pccard_product *pp; if ((pp = ep_pccard_lookup(dev)) == NULL) panic("ep_pccard_attach: can't find product in attach."); if (pp->chipset == EP_CHIP_574) { sc->epb.mii_trans = 1; sc->epb.cmd_off = 2; } else { sc->epb.mii_trans = 0; sc->epb.cmd_off = 0; } if ((error = ep_alloc(dev))) { device_printf(dev, "ep_alloc() failed! (%d)\n", error); goto bad; } if (pp->chipset == EP_CHIP_C1) sc->stat |= F_HAS_TX_PLL; /* ROM size = 0, ROM base = 0 */ /* For now, ignore AUTO SELECT feature of 3C589B and later. */ error = ep_get_e(sc, EEPROM_ADDR_CFG, &result); CSR_WRITE_2(sc, EP_W0_ADDRESS_CFG, result & 0xc000); /* * Fake IRQ must be 3 for 3C589 and 3C589B. 3C589D and newer * ignore this value. 3C589C is unknown, as are the other * cards supported by this driver, but it appears to never hurt * and always helps. */ SET_IRQ(sc, 3); CSR_WRITE_2(sc, EP_W0_PRODUCT_ID, sc->epb.prod_id); if (sc->epb.mii_trans) { /* * turn on the MII transciever */ GO_WINDOW(sc, 3); CSR_WRITE_2(sc, EP_W3_OPTIONS, 0x8040); DELAY(1000); CSR_WRITE_2(sc, EP_W3_OPTIONS, 0xc040); CSR_WRITE_2(sc, EP_COMMAND, RX_RESET); CSR_WRITE_2(sc, EP_COMMAND, TX_RESET); EP_BUSY_WAIT(sc); DELAY(1000); CSR_WRITE_2(sc, EP_W3_OPTIONS, 0x8040); } else ep_get_media(sc); /* * The 3C562 (a-c revisions) stores the MAC in the CIS in a * way that's unique to 3com. If we have one of these cards, * scan the CIS for that MAC address, and use it if we find * it. The NetBSD driver says that the ROADRUNNER chips also * do this, which may be true, but none of the cards that I * have include this TUPLE. Always prefer the MAC addr in the * CIS tuple to the one returned by the card, as it appears that * only those cards that need it have this special tuple. */ if (pccard_cis_scan(dev, ep_pccard_mac, sc->eaddr)) sc->stat |= F_ENADDR_SKIP; if ((error = ep_attach(sc))) { device_printf(dev, "ep_attach() failed! (%d)\n", error); goto bad; } if ((error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, NULL, ep_intr, sc, &sc->ep_intrhand))) { device_printf(dev, "bus_setup_intr() failed! (%d)\n", error); goto bad; } return (0); bad: ep_free(dev); return (error); } 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_detach), {0, 0} }; static driver_t ep_pccard_driver = { "ep", ep_pccard_methods, sizeof(struct ep_softc), }; extern devclass_t ep_devclass; DRIVER_MODULE(ep, pccard, ep_pccard_driver, ep_devclass, 0, 0);