a9c60c7d01
- Convert DMA_GET_ADDR() calls to vtophys() calls in order to finish removing the DMA_* macros.
423 lines
9.6 KiB
C
423 lines
9.6 KiB
C
/*-
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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/hfa/fore.h>
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#include <dev/hfa/fore_aali.h>
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#include <dev/hfa/fore_slave.h>
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#include <dev/hfa/fore_stats.h>
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#include <dev/hfa/fore_var.h>
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#include <dev/hfa/fore_include.h>
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#include <dev/hfa/hfa_freebsd.h>
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devclass_t hfa_devclass;
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static int hfa_modevent(module_t, int, void *);
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int
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hfa_alloc (device_t dev)
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{
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struct hfa_softc *sc;
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int error;
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sc = (struct hfa_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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hfa_free (device_t dev)
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{
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struct hfa_softc *sc;
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sc = (struct hfa_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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hfa_attach (device_t dev)
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{
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struct hfa_softc *sc;
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Fore_unit *fup;
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int error;
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int err_count;
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sc = (struct hfa_softc *)device_get_softc(dev);
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fup = &sc->fup;
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error = 0;
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err_count = BOOT_LOOPS;
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/*
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* Start initializing it
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*/
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fup->fu_unit = device_get_unit(dev);
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fup->fu_mtu = FORE_IFF_MTU;
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fup->fu_vcc_zone = fore_vcc_zone;
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fup->fu_nif_zone = fore_nif_zone;
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fup->fu_ioctl = fore_atm_ioctl;
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fup->fu_instvcc = fore_instvcc;
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fup->fu_openvcc = fore_openvcc;
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fup->fu_closevcc = fore_closevcc;
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fup->fu_output = fore_output;
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callout_handle_init(&fup->fu_thandle);
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/*
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* Poke the hardware - boot the CP and prepare it for downloading
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*/
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hfa_reset(dev);
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/*
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* Wait for the monitor to perform self-test
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*/
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while (CP_READ(fup->fu_mon->mon_bstat) != BOOT_MONREADY) {
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if (CP_READ(fup->fu_mon->mon_bstat) == BOOT_FAILTEST) {
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device_printf(dev, "failed self-test\n");
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goto fail;
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} else if ( --err_count == 0 ) {
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device_printf(dev, "unable to boot - status=0x%lx\n",
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(u_long)CP_READ(fup->fu_mon->mon_bstat));
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goto fail;
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}
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DELAY ( BOOT_DELAY );
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}
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/*
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* Setup the adapter config info - at least as much as we can
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*/
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fup->fu_config.ac_vendor = VENDOR_FORE;
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fup->fu_config.ac_vendapi = VENDAPI_FORE_1;
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fup->fu_config.ac_media = MEDIA_OC3C;
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fup->fu_pif.pif_pcr = ATM_PCR_OC3C;
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/*
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* Save device ram info for user-level programs
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*/
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fup->fu_config.ac_ram = (long)fup->fu_ram;
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fup->fu_config.ac_ramsize = fup->fu_ramsize;
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/*
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* Set device capabilities
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*/
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fup->fu_pif.pif_maxvpi = FORE_MAX_VPI;
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fup->fu_pif.pif_maxvci = FORE_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 *)fup, FORE_DEV_NAME, fore_services);
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if (error)
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goto fail;
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fore_units[device_get_unit(dev)] = fup;
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fore_nunits++;
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/*
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* Initialize the CP microcode program.
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*/
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fore_initialize(fup);
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fail:
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return (error);
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}
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int
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hfa_detach (device_t dev)
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{
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struct hfa_softc *sc;
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Fore_unit *fup;
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int error;
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sc = (struct hfa_softc *)device_get_softc(dev);
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fup = &sc->fup;
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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 *)fup);
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/*
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* Reset the board and return it to cold_start state.
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* Hopefully, this will prevent use of resources as
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* we're trying to free things up.
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*/
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hfa_reset(dev);
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/*
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* Lock out all device interrupts
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*/
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DEVICE_LOCK((Cmn_unit *)fup);
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/*
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* Remove any pending timeout()'s
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*/
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(void)untimeout((KTimeout_ret(*)(void *))fore_initialize,
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(void *)fup, fup->fu_thandle);
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hfa_free(dev);
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DEVICE_UNLOCK((Cmn_unit *)fup);
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/*
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* Free any Fore-specific device resources
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*/
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fore_interface_free(fup);
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return (error);
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}
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void
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hfa_intr (void * arg)
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{
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struct hfa_softc *sc;
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sc = (struct hfa_softc *)arg;
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HFA_LOCK(sc);
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fore_intr(&sc->fup);
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HFA_UNLOCK(sc);
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return;
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}
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void
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hfa_reset (device_t dev)
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{
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struct hfa_softc *sc;
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Fore_unit *fup;
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sc = (struct hfa_softc *)device_get_softc(dev);
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fup = &sc->fup;
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HFA_LOCK(sc);
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/*
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* Reset the board and return it to cold_start state
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*/
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if (fup->fu_mon)
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fup->fu_mon->mon_bstat = CP_WRITE(BOOT_COLDSTART);
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if (fup->fu_ctlreg) {
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switch (fup->fu_config.ac_device) {
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case DEV_FORE_ESA200E:
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break;
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case DEV_FORE_SBA200E:
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/*
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* Reset i960 by setting and clearing RESET
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*/
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SBA200E_HCR_INIT(*fup->fu_ctlreg, SBA200E_RESET);
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SBA200E_HCR_CLR(*fup->fu_ctlreg, SBA200E_RESET);
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break;
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case DEV_FORE_SBA200:
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/*
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* Reset i960 by setting and clearing RESET
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*
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* SBA200 will NOT reset if bit is OR'd in!
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*/
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*fup->fu_ctlreg = SBA200_RESET;
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*fup->fu_ctlreg = SBA200_RESET_CLR;
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break;
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case DEV_FORE_PCA200E:
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/*
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* Reset i960 by setting and clearing RESET
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*/
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PCA200E_HCR_INIT(*fup->fu_ctlreg, PCA200E_RESET);
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DELAY(10000);
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PCA200E_HCR_CLR(*fup->fu_ctlreg, PCA200E_RESET);
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break;
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default:
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break;
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}
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}
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HFA_UNLOCK(sc);
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return;
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}
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static int
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hfa_modevent (module_t mod, int what, void *arg)
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{
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int error;
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error = 0;
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switch (what) {
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case MOD_LOAD:
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/*
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* Verify software version
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*/
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if (atm_version != ATM_VERSION) {
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printf("hfa: version mismatch: fore=%d.%d kernel=%d.%d\n",
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ATM_VERS_MAJ(ATM_VERSION),
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ATM_VERS_MIN(ATM_VERSION),
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ATM_VERS_MAJ(atm_version),
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ATM_VERS_MIN(atm_version));
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error = EINVAL;
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break;
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}
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fore_nif_zone = uma_zcreate("fore nif", sizeof(struct atm_nif), NULL,
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NULL, NULL, NULL, UMA_ALIGN_PTR, 0);
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if (fore_nif_zone == NULL)
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panic("hfa_modevent:uma_zcreate nif");
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uma_zone_set_max(fore_nif_zone, 52);
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fore_vcc_zone = uma_zcreate("fore vcc", sizeof(Fore_vcc), NULL,
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NULL, NULL, NULL, UMA_ALIGN_PTR, 0);
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if (fore_vcc_zone == NULL)
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panic("hfa_modevent: uma_zcreate vcc");
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uma_zone_set_max(fore_vcc_zone, 100);
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/*
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* Start up watchdog timer
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*/
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atm_timeout(&fore_timer, ATM_HZ * FORE_TIME_TICK, fore_timeout);
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break;
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case MOD_UNLOAD:
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/*
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* Stop watchdog timer
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*/
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atm_untimeout(&fore_timer);
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uma_zdestroy(fore_nif_zone);
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uma_zdestroy(fore_vcc_zone);
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break;
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default:
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break;
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}
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return (error);
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}
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static moduledata_t hfa_moduledata = {
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"hfa",
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hfa_modevent,
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NULL
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};
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DECLARE_MODULE(hfa, hfa_moduledata, SI_SUB_DRIVERS, SI_ORDER_MIDDLE);
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MODULE_VERSION(hfa, 1);
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