freebsd-nq/sys/dev/hea/hea_freebsd.c
2002-10-02 04:42:24 +00:00

426 lines
10 KiB
C

/*-
* 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/hea/eni_stats.h>
#include <dev/hea/eni.h>
#include <dev/hea/eni_suni.h>
#include <dev/hea/eni_var.h>
#include <dev/hea/hea_freebsd.h>
devclass_t hea_devclass;
static int hea_modevent(module_t, int, void *);
int
hea_alloc (device_t dev)
{
struct hea_softc *sc;
int error;
sc = (struct hea_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
hea_free (device_t dev)
{
struct hea_softc *sc;
sc = (struct hea_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
hea_attach (device_t dev)
{
struct hea_softc *sc;
Eni_unit *eup;
int error;
long val;
sc = (struct hea_softc *)device_get_softc(dev);
eup = &sc->eup;
error = 0;
/*
* Start initializing it
*/
eup->eu_unit = device_get_unit(dev);
eup->eu_mtu = ENI_IFF_MTU;
eup->eu_vcc_zone = eni_vcc_zone;
eup->eu_nif_zone = eni_nif_zone;
eup->eu_ioctl = eni_atm_ioctl;
eup->eu_instvcc = eni_instvcc;
eup->eu_openvcc = eni_openvcc;
eup->eu_closevcc = eni_closevcc;
eup->eu_output = eni_output;
eup->eu_pcitag = dev;
eup->eu_softc = (void *)sc;
/*
* Map memory structures into adapter space
*/
eup->eu_suni = (Eni_mem)(eup->eu_base + SUNI_OFFSET);
eup->eu_midway = (Eni_mem)(eup->eu_base + MIDWAY_OFFSET);
eup->eu_vcitbl = (VCI_Table *)(eup->eu_base + VCITBL_OFFSET);
eup->eu_rxdma = (Eni_mem)(eup->eu_base + RXQUEUE_OFFSET);
eup->eu_txdma = (Eni_mem)(eup->eu_base + TXQUEUE_OFFSET);
eup->eu_svclist = (Eni_mem)(eup->eu_base + SVCLIST_OFFSET);
eup->eu_servread = 0;
/*
* Reset the midway chip
*/
eup->eu_midway[MIDWAY_ID] = MIDWAY_RESET;
/*
* Size and test adapter memory. Initialize our adapter memory
* allocater.
*/
if (eni_init_memory(eup) < 0) {
/*
* Adapter memory test failed. Clean up and
* return.
*/
device_printf(dev, "memory test failed.\n");
error = ENXIO;
goto fail;
}
if (eup->eu_type == TYPE_ADP) {
int i;
#define MID_ADPMACOFF 0xffc0 /* mac address offset (adaptec only) */
for (i = 0; i < sizeof(struct mac_addr); i++) {
eup->eu_pif.pif_macaddr.ma_data[i] =
bus_space_read_1(rman_get_bustag(sc->mem),
rman_get_bushandle(sc->mem),
MID_ADPMACOFF + i);
}
} else
if (eup->eu_type == TYPE_ENI) {
/*
* Read the contents of the SEEPROM
*/
eni_read_seeprom(eup);
/*
* Copy MAC address to PIF and config structures
*/
bcopy((caddr_t)&eup->eu_seeprom[SEPROM_MAC_OFF],
(caddr_t)&eup->eu_pif.pif_macaddr,
sizeof(struct mac_addr));
/*
* Copy serial number into config space
*/
eup->eu_config.ac_serial =
ntohl(*(u_long *)&eup->eu_seeprom[SEPROM_SN_OFF]);
} else {
device_printf(dev, "Unknown adapter type!\n");
error = ENXIO;
goto fail;
}
eup->eu_config.ac_macaddr = eup->eu_pif.pif_macaddr;
/*
* Setup some of the adapter configuration
*/
/*
* Get MIDWAY ID
*/
val = eup->eu_midway[MIDWAY_ID];
eup->eu_config.ac_vendor = VENDOR_ENI;
eup->eu_config.ac_vendapi = VENDAPI_ENI_1;
eup->eu_config.ac_device = DEV_ENI_155P;
eup->eu_config.ac_media = val & MEDIA_MASK ? MEDIA_UTP155 : MEDIA_OC3C;
eup->eu_pif.pif_pcr = ATM_PCR_OC3C;
/*
* Make a hw version number from the ID register values.
* Format: {Midway ID}.{Mother board ID}.{Daughter board ID}
*/
snprintf(eup->eu_config.ac_hard_vers,
sizeof(eup->eu_config.ac_hard_vers),
"%ld/%ld/%ld",
(val >> ID_SHIFT) & ID_MASK,
(val >> MID_SHIFT) & MID_MASK,
(val >> DID_SHIFT) & DID_MASK );
/*
* There is no software version number
*/
eup->eu_config.ac_firm_vers[0] = '\0';
/*
* Save device ram info for user-level programs
* NOTE: This really points to start of EEPROM
* and includes all the device registers in the
* lower 2 Megabytes.
*/
eup->eu_config.ac_ram = (long)eup->eu_base;
eup->eu_config.ac_ramsize = eup->eu_ramsize + ENI_REG_SIZE;
/*
* Setup max VPI/VCI values
*/
eup->eu_pif.pif_maxvpi = ENI_MAX_VPI;
eup->eu_pif.pif_maxvci = ENI_MAX_VCI;
/*
* Register this interface with ATM core services
*/
error = atm_physif_register((Cmn_unit *)eup, ENI_DEV_NAME, eni_services);
if (error)
goto fail;
eni_units[device_get_unit(dev)] = eup;
/*
* Initialize driver processing
*/
error = eni_init(eup);
if (error) {
device_printf(dev, "adapter init failed.\n");
goto fail;
}
fail:
return (error);
}
int
hea_detach (device_t dev)
{
struct hea_softc *sc;
Eni_unit *eup;
int error;
sc = (struct hea_softc *)device_get_softc(dev);
eup = &sc->eup;
error = 0;
/*
* De-Register this interface with ATM core services
*/
error = atm_physif_deregister((Cmn_unit *)eup);
/*
* Reset the board.
*/
hea_reset(dev);
hea_free(dev);
return (error);
}
void
hea_intr (void * arg)
{
struct hea_softc *sc;
sc = (struct hea_softc *)arg;
HEA_LOCK(sc);
eni_intr(&sc->eup);
HEA_UNLOCK(sc);
return;
}
void
hea_reset (device_t dev)
{
struct hea_softc *sc;
Eni_unit *eup;
sc = (struct hea_softc *)device_get_softc(dev);
eup = &sc->eup;
/*
* We should really close down any open VCI's and
* release all memory (TX and RX) buffers. For now,
* we assume we're shutting the card down for good.
*/
if (eup->eu_midway) {
/*
* Issue RESET command to Midway chip
*/
eup->eu_midway[MIDWAY_ID] = MIDWAY_RESET;
/*
* Delay to allow everything to terminate
*/
DELAY(MIDWAY_DELAY);
}
return;
}
static int
hea_modevent (module_t mod, int type, void *data)
{
int error;
error = 0;
switch (type) {
case MOD_LOAD:
eni_nif_zone = uma_zcreate("eni nif", sizeof(struct atm_nif),
NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0);
if (eni_nif_zone == NULL)
panic("%s(): uma_zcreate nif", __func__);
uma_zone_set_max(eni_nif_zone, 52);
eni_vcc_zone = uma_zcreate("eni vcc", sizeof(Eni_vcc),
NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0);
if (eni_vcc_zone == NULL)
panic("%s(): uma_zcreate vcc", __func__);
uma_zone_set_max(eni_vcc_zone, 100);
break;
case MOD_UNLOAD:
uma_zdestroy(eni_nif_zone);
uma_zdestroy(eni_vcc_zone);
break;
default:
break;
}
return (error);
}
static moduledata_t hea_moduledata = {
"hea",
hea_modevent,
NULL
};
DECLARE_MODULE(hea, hea_moduledata, SI_SUB_DRIVERS, SI_ORDER_MIDDLE);
MODULE_VERSION(hea, 1);