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