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/* $OpenBSD: if_rl_pci.c,v 1.33 2015/11/24 17:11:39 mpi Exp $ */
/*
* Copyright (c) 1997, 1998
* Bill Paul <wpaul@ctr.columbia.edu>. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD
* 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.
*/
#include "bpfilter.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/sockio.h>
#include <sys/mbuf.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/device.h>
#include <sys/timeout.h>
#include <net/if.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <net/if_media.h>
#if NBPFILTER > 0
#include <net/bpf.h>
#endif
#include <machine/bus.h>
#include <dev/mii/miivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
/*
* Default to using PIO access for this driver. On SMP systems,
* there appear to be problems with memory mapped mode: it looks like
* doing too many memory mapped access back to back in rapid succession
* can hang the bus. I'm inclined to blame this on crummy design/construction
* on the part of Realtek. Memory mapped mode does appear to work on
* uniprocessor systems though.
*/
#define RL_USEIOSPACE
#include <dev/ic/rtl81x9reg.h>
int rl_pci_match(struct device *, void *, void *);
void rl_pci_attach(struct device *, struct device *, void *);
int rl_pci_detach(struct device *, int);
struct rl_pci_softc {
struct rl_softc psc_softc;
pci_chipset_tag_t psc_pc;
bus_size_t psc_mapsize;
};
struct cfattach rl_pci_ca = {
sizeof(struct rl_pci_softc), rl_pci_match, rl_pci_attach, rl_pci_detach,
rl_activate
};
const struct pci_matchid rl_pci_devices[] = {
{ PCI_VENDOR_ABOCOM, PCI_PRODUCT_ABOCOM_FE2000VX },
{ PCI_VENDOR_ACCTON, PCI_PRODUCT_ACCTON_5030 },
{ PCI_VENDOR_ADDTRON, PCI_PRODUCT_ADDTRON_8139 },
{ PCI_VENDOR_COREGA, PCI_PRODUCT_COREGA_2CB_TXD },
{ PCI_VENDOR_COREGA, PCI_PRODUCT_COREGA_CB_TXD },
{ PCI_VENDOR_DELTA, PCI_PRODUCT_DELTA_8139 },
{ PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DFE520TX_C1 },
{ PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DFE530TXPLUS },
{ PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DFE690TXD },
{ PCI_VENDOR_DLINK2, PCI_PRODUCT_DLINK2_DFE530TXPLUS2 },
{ PCI_VENDOR_NORTEL, PCI_PRODUCT_NORTEL_BS21 },
{ PCI_VENDOR_PLANEX, PCI_PRODUCT_PLANEX_FNW_3603_TX },
{ PCI_VENDOR_PLANEX, PCI_PRODUCT_PLANEX_FNW_3800_TX },
{ PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8129 },
{ PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8138 },
{ PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8139D }
};
int
rl_pci_match(struct device *parent, void *match, void *aux)
{
struct pci_attach_args *pa = aux;
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_REALTEK &&
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RT8139 &&
PCI_REVISION(pa->pa_class) == 0x10)
return (1);
return (pci_matchbyid((struct pci_attach_args *)aux, rl_pci_devices,
nitems(rl_pci_devices)));
}
void
rl_pci_attach(struct device *parent, struct device *self, void *aux)
{
struct rl_pci_softc *psc = (void *)self;
struct rl_softc *sc = &psc->psc_softc;
struct pci_attach_args *pa = aux;
pci_chipset_tag_t pc = pa->pa_pc;
pci_intr_handle_t ih;
const char *intrstr = NULL;
/*
* Map control/status registers.
*/
#ifdef RL_USEIOSPACE
if (pci_mapreg_map(pa, RL_PCI_LOIO, PCI_MAPREG_TYPE_IO, 0,
&sc->rl_btag, &sc->rl_bhandle, NULL, &psc->psc_mapsize, 0)) {
printf(": can't map i/o space\n");
return;
}
#else
if (pci_mapreg_map(pa, RL_PCI_LOMEM, PCI_MAPREG_TYPE_MEM, 0,
&sc->rl_btag, &sc->rl_bhandle, NULL, &psc->psc_mapsize, 0)){
printf(": can't map mem space\n");
return;
}
#endif
/*
* Allocate our interrupt.
*/
if (pci_intr_map(pa, &ih)) {
printf(": couldn't map interrupt\n");
bus_space_unmap(sc->rl_btag, sc->rl_bhandle, psc->psc_mapsize);
return;
}
psc->psc_pc = pa->pa_pc;
intrstr = pci_intr_string(pc, ih);
sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, rl_intr, sc,
self->dv_xname);
if (sc->sc_ih == NULL) {
printf(": couldn't establish interrupt");
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
bus_space_unmap(sc->rl_btag, sc->rl_bhandle, psc->psc_mapsize);
return;
}
printf(": %s", intrstr);
sc->sc_dmat = pa->pa_dmat;
if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RT8129)
sc->rl_type = RL_8129;
else
sc->rl_type = RL_8139;
rl_attach(sc);
}
int
rl_pci_detach(struct device *self, int flags)
{
struct rl_pci_softc *psc = (void *)self;
struct rl_softc *sc = &psc->psc_softc;
int rv;
rv = rl_detach(sc);
if (rv)
return (rv);
if (sc->sc_ih != NULL)
pci_intr_disestablish(psc->psc_pc, sc->sc_ih);
bus_space_unmap(sc->rl_btag, sc->rl_bhandle, psc->psc_mapsize);
return (0);
}
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