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freebsd/sys/dev/hfa/hfa_freebsd.c

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/*-
* Copyright (c) 2002 Matthew N. Dodd <winter@jurai.net>
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*
* $FreeBSD$
*/
/*
*
* ===================================
* HARP | Host ATM Research Platform
* ===================================
*
*
* This Host ATM Research Platform ("HARP") file (the "Software") is
* made available by Network Computing Services, Inc. ("NetworkCS")
* "AS IS". NetworkCS does not provide maintenance, improvements or
* support of any kind.
*
* NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
* INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
* SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
* In no event shall NetworkCS be responsible for any damages, including
* but not limited to consequential damages, arising from or relating to
* any use of the Software or related support.
*
* Copyright 1994-1998 Network Computing Services, Inc.
*
* Copies of this Software may be made, however, the above copyright
* notice must be reproduced on all copies.
*
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/socket.h>
#include <sys/sysctl.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/module.h>
#include <machine/bus_memio.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <net/if.h>
#include <netatm/port.h>
#include <netatm/queue.h>
#include <netatm/atm.h>
#include <netatm/atm_sys.h>
#include <netatm/atm_sap.h>
#include <netatm/atm_cm.h>
#include <netatm/atm_if.h>
#include <netatm/atm_stack.h>
#include <netatm/atm_pcb.h>
#include <netatm/atm_var.h>
#include <dev/hfa/fore.h>
#include <dev/hfa/fore_aali.h>
#include <dev/hfa/fore_slave.h>
#include <dev/hfa/fore_stats.h>
#include <dev/hfa/fore_var.h>
#include <dev/hfa/fore_include.h>
#include <dev/hfa/hfa_freebsd.h>
devclass_t hfa_devclass;
static int hfa_modevent(module_t, int, void *);
int
hfa_alloc (device_t dev)
{
struct hfa_softc *sc;
int error;
sc = (struct hfa_softc *)device_get_softc(dev);
error = 0;
sc->mem = bus_alloc_resource(dev, sc->mem_type, &sc->mem_rid,
0, ~0, 1, RF_ACTIVE);
if (sc->mem == NULL) {
device_printf(dev, "Unable to allocate memory resource.\n");
error = ENXIO;
goto fail;
}
sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid,
0, ~0, 1, RF_SHAREABLE | RF_ACTIVE);
if (sc->irq == NULL) {
device_printf(dev, "Unable to allocate interrupt resource.\n");
error = ENXIO;
goto fail;
}
mtx_init(&sc->mtx, device_get_nameunit(dev), "Interrupt lock", MTX_DEF|MTX_RECURSE);
fail:
return (error);
}
int
hfa_free (device_t dev)
{
struct hfa_softc *sc;
sc = (struct hfa_softc *)device_get_softc(dev);
if (sc->mem)
bus_release_resource(dev, sc->mem_type, sc->mem_rid, sc->mem);
if (sc->irq_ih)
bus_teardown_intr(dev, sc->irq, sc->irq_ih);
if (sc->irq)
bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
/*
* Destroy the mutex.
*/
if (mtx_initialized(&sc->mtx) != 0)
mtx_destroy(&sc->mtx);
return (0);
}
int
hfa_attach (device_t dev)
{
struct hfa_softc *sc;
Fore_unit *fup;
int error;
int err_count;
sc = (struct hfa_softc *)device_get_softc(dev);
fup = &sc->fup;
error = 0;
err_count = BOOT_LOOPS;
/*
* Start initializing it
*/
fup->fu_unit = device_get_unit(dev);
fup->fu_mtu = FORE_IFF_MTU;
fup->fu_vcc_zone = fore_vcc_zone;
fup->fu_nif_zone = fore_nif_zone;
fup->fu_ioctl = fore_atm_ioctl;
fup->fu_instvcc = fore_instvcc;
fup->fu_openvcc = fore_openvcc;
fup->fu_closevcc = fore_closevcc;
fup->fu_output = fore_output;
fup->fu_softc = (void *)sc;
callout_handle_init(&fup->fu_thandle);
/*
* Poke the hardware - boot the CP and prepare it for downloading
*/
hfa_reset(dev);
/*
* Wait for the monitor to perform self-test
*/
while (CP_READ(fup->fu_mon->mon_bstat) != BOOT_MONREADY) {
if (CP_READ(fup->fu_mon->mon_bstat) == BOOT_FAILTEST) {
device_printf(dev, "failed self-test\n");
goto fail;
} else if ( --err_count == 0 ) {
device_printf(dev, "unable to boot - status=0x%lx\n",
(u_long)CP_READ(fup->fu_mon->mon_bstat));
goto fail;
}
DELAY ( BOOT_DELAY );
}
/*
* Setup the adapter config info - at least as much as we can
*/
fup->fu_config.ac_vendor = VENDOR_FORE;
fup->fu_config.ac_vendapi = VENDAPI_FORE_1;
fup->fu_config.ac_media = MEDIA_OC3C;
fup->fu_pif.pif_pcr = ATM_PCR_OC3C;
/*
* Save device ram info for user-level programs
*/
fup->fu_config.ac_ram = (long)fup->fu_ram;
fup->fu_config.ac_ramsize = fup->fu_ramsize;
/*
* Set device capabilities
*/
fup->fu_pif.pif_maxvpi = FORE_MAX_VPI;
fup->fu_pif.pif_maxvci = FORE_MAX_VCI;
/*
* Register this interface with ATM core services
*/
error = atm_physif_register((Cmn_unit *)fup, FORE_DEV_NAME, fore_services);
if (error)
goto fail;
fore_units[device_get_unit(dev)] = fup;
fore_nunits++;
/*
* Initialize the CP microcode program.
*/
fore_initialize(fup);
fail:
return (error);
}
int
hfa_detach (device_t dev)
{
struct hfa_softc *sc;
Fore_unit *fup;
int error;
sc = (struct hfa_softc *)device_get_softc(dev);
fup = &sc->fup;
error = 0;
/*
* De-Register this interface with ATM core services
*/
error = atm_physif_deregister((Cmn_unit *)fup);
/*
* Reset the board and return it to cold_start state.
* Hopefully, this will prevent use of resources as
* we're trying to free things up.
*/
hfa_reset(dev);
/*
* Lock out all device interrupts
*/
DEVICE_LOCK((Cmn_unit *)fup);
/*
* Remove any pending timeout()'s
*/
(void)untimeout((KTimeout_ret(*)(void *))fore_initialize,
(void *)fup, fup->fu_thandle);
hfa_free(dev);
DEVICE_UNLOCK((Cmn_unit *)fup);
/*
* Free any Fore-specific device resources
*/
fore_interface_free(fup);
return (error);
}
void
hfa_intr (void * arg)
{
struct hfa_softc *sc;
sc = (struct hfa_softc *)arg;
HFA_LOCK(sc);
fore_intr(&sc->fup);
HFA_UNLOCK(sc);
return;
}
void
hfa_reset (device_t dev)
{
struct hfa_softc *sc;
Fore_unit *fup;
sc = (struct hfa_softc *)device_get_softc(dev);
fup = &sc->fup;
HFA_LOCK(sc);
/*
* Reset the board and return it to cold_start state
*/
if (fup->fu_mon)
fup->fu_mon->mon_bstat = CP_WRITE(BOOT_COLDSTART);
if (fup->fu_ctlreg) {
switch (fup->fu_config.ac_device) {
case DEV_FORE_ESA200E:
break;
case DEV_FORE_SBA200E:
/*
* Reset i960 by setting and clearing RESET
*/
SBA200E_HCR_INIT(*fup->fu_ctlreg, SBA200E_RESET);
SBA200E_HCR_CLR(*fup->fu_ctlreg, SBA200E_RESET);
break;
case DEV_FORE_SBA200:
/*
* Reset i960 by setting and clearing RESET
*
* SBA200 will NOT reset if bit is OR'd in!
*/
*fup->fu_ctlreg = SBA200_RESET;
*fup->fu_ctlreg = SBA200_RESET_CLR;
break;
case DEV_FORE_PCA200E:
/*
* Reset i960 by setting and clearing RESET
*/
PCA200E_HCR_INIT(*fup->fu_ctlreg, PCA200E_RESET);
DELAY(10000);
PCA200E_HCR_CLR(*fup->fu_ctlreg, PCA200E_RESET);
break;
default:
break;
}
}
HFA_UNLOCK(sc);
return;
}
static int
hfa_modevent (module_t mod, int type, void *data)
{
int error;
error = 0;
switch (type) {
case MOD_LOAD:
/*
* Verify software version
*/
if (atm_version != ATM_VERSION) {
printf("hfa: version mismatch: fore=%d.%d kernel=%d.%d\n",
ATM_VERS_MAJ(ATM_VERSION),
ATM_VERS_MIN(ATM_VERSION),
ATM_VERS_MAJ(atm_version),
ATM_VERS_MIN(atm_version));
error = EINVAL;
break;
}
fore_nif_zone = uma_zcreate("fore nif", sizeof(struct atm_nif), NULL,
NULL, NULL, NULL, UMA_ALIGN_PTR, 0);
if (fore_nif_zone == NULL)
panic("hfa_modevent:uma_zcreate nif");
uma_zone_set_max(fore_nif_zone, 52);
fore_vcc_zone = uma_zcreate("fore vcc", sizeof(Fore_vcc), NULL,
NULL, NULL, NULL, UMA_ALIGN_PTR, 0);
if (fore_vcc_zone == NULL)
panic("hfa_modevent: uma_zcreate vcc");
uma_zone_set_max(fore_vcc_zone, 100);
/*
* Start up watchdog timer
*/
atm_timeout(&fore_timer, ATM_HZ * FORE_TIME_TICK, fore_timeout);
break;
case MOD_UNLOAD:
/*
* Stop watchdog timer
*/
atm_untimeout(&fore_timer);
uma_zdestroy(fore_nif_zone);
uma_zdestroy(fore_vcc_zone);
break;
default:
break;
}
return (error);
}
static moduledata_t hfa_moduledata = {
"hfa",
hfa_modevent,
NULL
};
DECLARE_MODULE(hfa, hfa_moduledata, SI_SUB_DRIVERS, SI_ORDER_MIDDLE);
MODULE_VERSION(hfa, 1);
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