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/*
* Copyright (c) 1998, Larry Lile
* All rights reserved.
*
* For latest sources and information on this driver, please
* go to http://anarchy.stdio.com.
*
* Questions, comments or suggestions should be directed to
* Larry Lile <lile@stdio.com>.
*
* 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 unmodified, 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.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/socket.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/iso88025.h>
#include <net/if_media.h>
#include <net/bpf.h>
#include <vm/vm.h> /* for vtophys */
#include <vm/pmap.h> /* for vtophys */
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/bus.h>
#include <sys/rman.h>
#if (__FreeBSD_version < 500000)
#include <pci/pcireg.h>
#include <pci/pcivar.h>
#else
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#endif
#include "contrib/dev/oltr/trlld.h"
#include "contrib/dev/oltr/if_oltrvar.h"
static int oltr_pci_probe __P((device_t));
static int oltr_pci_attach __P((device_t));
static int oltr_pci_detach __P((device_t));
static void oltr_pci_shutdown __P((device_t));
extern TRlldDriver_t LldDriver;
struct AdapterNameEntry {
int type;
char *name; } ;
static struct AdapterNameEntry AdapterNameList[] = {
{ 10, "Olicom PCI 16/4 Adapter (OC-3136)" },
{ 11, "Olicom PCI 16/4 Adapter (OC-3136)" },
{ 12, "Olicom PCI/II 16/4 Adapter (OC-3137)" },
{ 13, "Olicom PCI 16/4 Adapter (OC-3139)" },
{ 14, "Olicom RapidFire 3140 16/4 PCI Adapter (OC-3140)" },
{ 15, "Olicom RapidFire 3141 Fiber Adapter (OC-3141)" },
{ 19, "Olicom RapidFire 3540 100/16/4 Adapter (OC-3540)" },
{ 0, "Olicom Unsupported Adapter" }
};
static device_method_t oltr_methods[] = {
DEVMETHOD(device_probe, oltr_pci_probe),
DEVMETHOD(device_attach, oltr_pci_attach),
DEVMETHOD(device_detach, oltr_pci_detach),
DEVMETHOD(device_shutdown, oltr_pci_shutdown),
{ 0, 0 }
};
static driver_t oltr_driver = {
"oltr",
oltr_methods,
sizeof(struct oltr_softc)
};
static devclass_t oltr_devclass;
DRIVER_MODULE(oltr, pci, oltr_driver, oltr_devclass, 0, 0);
MODULE_DEPEND(oltr, pci, 1, 1, 1);
MODULE_DEPEND(oltr, iso88025, 1, 1, 1);
static int
oltr_pci_probe(device_t dev)
{
int i, rc;
char PCIConfigHeader[64];
TRlldAdapterConfig_t config;
struct AdapterNameEntry *list = AdapterNameList;
if ((pci_get_vendor(dev) == PCI_VENDOR_OLICOM) &&
((pci_get_device(dev) == 0x0001) ||
(pci_get_device(dev) == 0x0004) ||
(pci_get_device(dev) == 0x0005) ||
(pci_get_device(dev) == 0x0007) ||
(pci_get_device(dev) == 0x0008))) {
for (i = 0; i < sizeof(PCIConfigHeader); i++)
PCIConfigHeader[i] = pci_read_config(dev, i, 1);
rc = TRlldPCIConfig(&LldDriver, &config, PCIConfigHeader);
if (rc == TRLLD_PCICONFIG_FAIL) {
device_printf(dev, "TRlldPciConfig failed!\n");
return(ENXIO);
}
if (rc == TRLLD_PCICONFIG_VERSION) {
device_printf(dev, "wrong LLD version\n");
return(ENXIO);
}
while (list->type != 0 && list->type != config.type)
list++;
device_set_desc(dev, list->name);
return(0);
}
return(ENXIO);
}
static int
oltr_pci_attach(device_t dev)
{
int i, scratch_size;
u_long command;
char PCIConfigHeader[64];
struct oltr_softc *sc = device_get_softc(dev);
sc->state = OL_UNKNOWN;
for (i = 0; i < sizeof(PCIConfigHeader); i++)
PCIConfigHeader[i] = pci_read_config(dev, i, 1);
switch(TRlldPCIConfig(&LldDriver, &sc->config, PCIConfigHeader)) {
case TRLLD_PCICONFIG_OK:
break;
case TRLLD_PCICONFIG_SET_COMMAND:
device_printf(dev, "enabling bus master mode\n");
command = pci_read_config(dev, PCIR_COMMAND, 4);
pci_write_config(dev, PCIR_COMMAND,
(command | PCIM_CMD_BUSMASTEREN), 4);
command = pci_read_config(dev, PCIR_COMMAND, 4);
if (!(command & PCIM_CMD_BUSMASTEREN)) {
device_printf(dev, "failed to enable bus master mode\n");
goto config_failed;
}
break;
case TRLLD_PCICONFIG_FAIL:
device_printf(dev, "TRlldPciConfig failed!\n");
goto config_failed;
break;
case TRLLD_PCICONFIG_VERSION:
device_printf(dev, "wrong LLD version\n");
goto config_failed;
break;
}
device_printf(dev, "MAC address %6D\n", sc->config.macaddress, ":");
scratch_size = TRlldAdapterSize();
if (bootverbose)
device_printf(dev, "adapter memory block size %d bytes\n", scratch_size);
sc->TRlldAdapter = (TRlldAdapter_t)malloc(scratch_size, M_DEVBUF, M_NOWAIT);
if (sc->TRlldAdapter == NULL) {
device_printf(dev, "couldn't allocate scratch buffer (%d bytes)\n", scratch_size);
goto config_failed;
}
sc->TRlldAdapter_phys = vtophys(sc->TRlldAdapter);
/*
* Allocate RX/TX Pools
*/
for (i = 0; i < RING_BUFFER_LEN; i++) {
sc->rx_ring[i].index = i;
sc->rx_ring[i].data = (char *)malloc(RX_BUFFER_LEN, M_DEVBUF, M_NOWAIT);
sc->rx_ring[i].address = vtophys(sc->rx_ring[i].data);
sc->tx_ring[i].index = i;
sc->tx_ring[i].data = (char *)malloc(TX_BUFFER_LEN, M_DEVBUF, M_NOWAIT);
sc->tx_ring[i].address = vtophys(sc->tx_ring[i].data);
if ((!sc->rx_ring[i].data) || (!sc->tx_ring[i].data)) {
device_printf(dev, "unable to allocate ring buffers\n");
while (i > 0) {
if (sc->rx_ring[i].data)
free(sc->rx_ring[i].data, M_DEVBUF);
if (sc->tx_ring[i].data)
free(sc->tx_ring[i].data, M_DEVBUF);
i--;
}
goto config_failed;
}
}
if (oltr_attach(dev) == -1)
goto config_failed;
return(0);
config_failed:
return(ENXIO);
}
static int
oltr_pci_detach(device_t dev)
{
struct oltr_softc *sc = device_get_softc(dev);
struct ifnet *ifp = sc->ifp;
int i;
device_printf(dev, "driver unloading\n");
iso88025_ifdetach(ifp, ISO88025_BPF_SUPPORTED);
OLTR_LOCK(sc);
if (sc->state > OL_CLOSED)
oltr_stop(sc);
OLTR_UNLOCK(sc);
callout_drain(&sc->oltr_poll_timer);
/*callout_drain(&sc->oltr_stat_timer);*/
bus_teardown_intr(dev, sc->irq_res, sc->oltr_intrhand);
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq_res);
if_free(ifp);
/* Deallocate all dynamic memory regions */
for (i = 0; i < RING_BUFFER_LEN; i++) {
free(sc->rx_ring[i].data, M_DEVBUF);
free(sc->tx_ring[i].data, M_DEVBUF);
}
if (sc->work_memory)
free(sc->work_memory, M_DEVBUF);
free(sc->TRlldAdapter, M_DEVBUF);
mtx_destroy(&sc->oltr_lock);
return(0);
}
static void
oltr_pci_shutdown(device_t dev)
{
struct oltr_softc *sc = device_get_softc(dev);
device_printf(dev, "oltr_pci_shutdown called\n");
OLTR_LOCK(sc);
if (sc->state > OL_CLOSED)
oltr_stop(sc);
OLTR_UNLOCK(sc);
return;
}
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