358 lines
8.6 KiB
C
358 lines
8.6 KiB
C
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/*-
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* Copyright (c) 2002 Matthew N. Dodd <winter@jurai.net>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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*
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* ===================================
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* HARP | Host ATM Research Platform
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* ===================================
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*
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*
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* This Host ATM Research Platform ("HARP") file (the "Software") is
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* made available by Network Computing Services, Inc. ("NetworkCS")
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* "AS IS". NetworkCS does not provide maintenance, improvements or
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* support of any kind.
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*
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* NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
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* INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
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* SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
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* In no event shall NetworkCS be responsible for any damages, including
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* but not limited to consequential damages, arising from or relating to
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* any use of the Software or related support.
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*
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* Copyright 1994-1998 Network Computing Services, Inc.
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*
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* Copies of this Software may be made, however, the above copyright
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* notice must be reproduced on all copies.
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*
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <sys/kernel.h>
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#include <sys/lock.h>
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#include <sys/malloc.h>
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#include <sys/socket.h>
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#include <sys/sysctl.h>
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#include <sys/bus.h>
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#include <sys/conf.h>
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#include <sys/module.h>
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#include <machine/bus_memio.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <net/if.h>
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#include <netatm/port.h>
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#include <netatm/queue.h>
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#include <netatm/atm.h>
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#include <netatm/atm_sys.h>
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#include <netatm/atm_sap.h>
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#include <netatm/atm_cm.h>
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#include <netatm/atm_if.h>
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#include <netatm/atm_stack.h>
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#include <netatm/atm_pcb.h>
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#include <netatm/atm_var.h>
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#include <dev/hea/eni_stats.h>
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#include <dev/hea/eni.h>
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#include <dev/hea/eni_suni.h>
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#include <dev/hea/eni_var.h>
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#include <dev/hea/hea_freebsd.h>
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devclass_t hea_devclass;
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int
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hea_alloc (device_t dev)
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{
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struct hea_softc *sc;
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int error;
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sc = (struct hea_softc *)device_get_softc(dev);
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error = 0;
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sc->mem = bus_alloc_resource(dev, sc->mem_type, &sc->mem_rid,
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0, ~0, 1, RF_ACTIVE);
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if (sc->mem == NULL) {
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device_printf(dev, "Unable to allocate memory resource.\n");
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error = ENXIO;
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goto fail;
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}
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sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid,
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0, ~0, 1, RF_SHAREABLE | RF_ACTIVE);
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if (sc->irq == NULL) {
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device_printf(dev, "Unable to allocate interrupt resource.\n");
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error = ENXIO;
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goto fail;
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}
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mtx_init(&sc->mtx, device_get_nameunit(dev), "Interrupt lock", MTX_DEF|MTX_RECURSE);
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fail:
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return (error);
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}
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int
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hea_free (device_t dev)
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{
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struct hea_softc *sc;
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sc = (struct hea_softc *)device_get_softc(dev);
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if (sc->mem)
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bus_release_resource(dev, sc->mem_type, sc->mem_rid, sc->mem);
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if (sc->irq_ih)
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bus_teardown_intr(dev, sc->irq, sc->irq_ih);
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if (sc->irq)
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bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
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/*
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* Destroy the mutex.
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*/
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if (mtx_initialized(&sc->mtx) != 0)
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mtx_destroy(&sc->mtx);
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return (0);
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}
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int
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hea_attach (device_t dev)
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{
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struct hea_softc *sc;
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Eni_unit *eup;
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int error;
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long val;
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sc = (struct hea_softc *)device_get_softc(dev);
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eup = &sc->eup;
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error = 0;
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/*
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* Start initializing it
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*/
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eup->eu_unit = device_get_unit(dev);
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eup->eu_mtu = ENI_IFF_MTU;
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eup->eu_pcitag = dev;
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eup->eu_ioctl = eni_atm_ioctl;
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eup->eu_instvcc = eni_instvcc;
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eup->eu_openvcc = eni_openvcc;
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eup->eu_closevcc = eni_closevcc;
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eup->eu_output = eni_output;
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eup->eu_vcc_pool = &eni_vcc_pool;
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eup->eu_nif_pool = &eni_nif_pool;
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/*
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* Map memory structures into adapter space
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*/
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eup->eu_suni = (Eni_mem)(eup->eu_base + SUNI_OFFSET);
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eup->eu_midway = (Eni_mem)(eup->eu_base + MIDWAY_OFFSET);
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eup->eu_vcitbl = (VCI_Table *)(eup->eu_base + VCITBL_OFFSET);
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eup->eu_rxdma = (Eni_mem)(eup->eu_base + RXQUEUE_OFFSET);
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eup->eu_txdma = (Eni_mem)(eup->eu_base + TXQUEUE_OFFSET);
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eup->eu_svclist = (Eni_mem)(eup->eu_base + SVCLIST_OFFSET);
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eup->eu_servread = 0;
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/*
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* Reset the midway chip
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*/
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eup->eu_midway[MIDWAY_ID] = MIDWAY_RESET;
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/*
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* Size and test adapter memory. Initialize our adapter memory
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* allocater.
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*/
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if (eni_init_memory(eup) < 0) {
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/*
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* Adapter memory test failed. Clean up and
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* return.
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*/
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device_printf(dev, "memory test failed.\n");
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error = ENXIO;
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goto fail;
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}
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/*
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* Read the contents of the SEEPROM
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*/
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eni_read_seeprom(eup);
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/*
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* Copy MAC address to PIF and config structures
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*/
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bcopy((caddr_t)&eup->eu_seeprom[SEPROM_MAC_OFF],
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(caddr_t)&eup->eu_pif.pif_macaddr,
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sizeof(struct mac_addr));
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eup->eu_config.ac_macaddr = eup->eu_pif.pif_macaddr;
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/*
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* Copy serial number into config space
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*/
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eup->eu_config.ac_serial =
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ntohl(*(u_long *)&eup->eu_seeprom[SEPROM_SN_OFF]);
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/*
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* Setup some of the adapter configuration
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*/
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/*
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* Get MIDWAY ID
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*/
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val = eup->eu_midway[MIDWAY_ID];
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eup->eu_config.ac_vendor = VENDOR_ENI;
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eup->eu_config.ac_vendapi = VENDAPI_ENI_1;
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eup->eu_config.ac_device = DEV_ENI_155P;
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eup->eu_config.ac_media = val & MEDIA_MASK ? MEDIA_UTP155 : MEDIA_OC3C;
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eup->eu_pif.pif_pcr = ATM_PCR_OC3C;
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/*
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* Make a hw version number from the ID register values.
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* Format: {Midway ID}.{Mother board ID}.{Daughter board ID}
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*/
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snprintf(eup->eu_config.ac_hard_vers,
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sizeof(eup->eu_config.ac_hard_vers),
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"%ld/%ld/%ld",
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(val >> ID_SHIFT) & ID_MASK,
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(val >> MID_SHIFT) & MID_MASK,
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(val >> DID_SHIFT) & DID_MASK );
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/*
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* There is no software version number
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*/
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eup->eu_config.ac_firm_vers[0] = '\0';
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/*
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* Save device ram info for user-level programs
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* NOTE: This really points to start of EEPROM
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* and includes all the device registers in the
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* lower 2 Megabytes.
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*/
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eup->eu_config.ac_ram = (long)eup->eu_base;
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eup->eu_config.ac_ramsize = eup->eu_ramsize + ENI_REG_SIZE;
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/*
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* Setup max VPI/VCI values
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*/
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eup->eu_pif.pif_maxvpi = ENI_MAX_VPI;
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eup->eu_pif.pif_maxvci = ENI_MAX_VCI;
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/*
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* Register this interface with ATM core services
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*/
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error = atm_physif_register((Cmn_unit *)eup, ENI_DEV_NAME, eni_services);
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if (error)
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goto fail;
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eni_units[device_get_unit(dev)] = eup;
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/*
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* Initialize driver processing
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*/
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error = eni_init(eup);
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if (error) {
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device_printf(dev, "adapter init failed.\n");
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goto fail;
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}
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fail:
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return (error);
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}
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int
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hea_detach (device_t dev)
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{
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struct hea_softc *sc;
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Eni_unit *eup;
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int error;
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sc = (struct hea_softc *)device_get_softc(dev);
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eup = &sc->eup;
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error = 0;
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/*
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* De-Register this interface with ATM core services
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*/
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error = atm_physif_deregister((Cmn_unit *)eup);
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/*
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* Reset the board.
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*/
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hea_reset(dev);
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hea_free(dev);
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return (error);
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}
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void
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hea_intr (void * arg)
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{
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struct hea_softc *sc;
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sc = (struct hea_softc *)arg;
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HEA_LOCK(sc);
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eni_intr(&sc->eup);
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HEA_UNLOCK(sc);
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return;
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}
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void
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hea_reset (device_t dev)
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{
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struct hea_softc *sc;
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Eni_unit *eup;
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sc = (struct hea_softc *)device_get_softc(dev);
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eup = &sc->eup;
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/*
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* We should really close down any open VCI's and
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* release all memory (TX and RX) buffers. For now,
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* we assume we're shutting the card down for good.
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*/
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if (eup->eu_midway) {
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/*
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* Issue RESET command to Midway chip
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*/
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eup->eu_midway[MIDWAY_ID] = MIDWAY_RESET;
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/*
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* Delay to allow everything to terminate
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*/
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DELAY(MIDWAY_DELAY);
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}
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return;
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}
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