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/* $OpenBSD: if_tht.c,v 1.5 2007/04/16 12:13:16 dlg Exp $ */
/*
* Copyright (c) 2007 David Gwynne <dlg@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Driver for the Tehuti TN30xx multi port 10Gb Ethernet chipsets,
* see http://www.tehutinetworks.net/.
*
* This driver was made possible because Tehuti networks provided
* hardware and documentation. Thanks!
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/buf.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/device.h>
#include <sys/proc.h>
#include <sys/queue.h>
#include <machine/bus.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
/* registers */
#define THT_PCI_BAR 0x10
#define THT_REG_10G_REV 0x6000
#define THT_REG_10G_SCR 0x6004
#define THT_REG_10G_CTL 0x6008
#define THT_REG_10G_FMT_LNG 0x6014
#define THT_REG_10G_PAUSE 0x6018
#define THT_REG_10G_RX_SEC 0x601c
#define THT_REG_10G_TX_SEC 0x6020
#define THT_REG_10G_RFIFO_AEF 0x6024
#define THT_REG_10G_TFIFO_AEF 0x6028
#define THT_REG_10G_SM_STAT 0x6030
#define THT_REG_10G_SM_CMD 0x6034
#define THT_REG_10G_SM_DAT 0x6038
#define THT_REG_10G_SM_ADD 0x603c
#define THT_REG_10G_STAT 0x6040
/* pci controller autoconf glue */
struct thtc_softc {
struct device sc_dev;
void *sc_ih;
bus_dma_tag_t sc_dmat;
bus_space_tag_t sc_memt;
bus_space_handle_t sc_memh;
bus_size_t sc_mems;
};
int thtc_match(struct device *, void *, void *);
void thtc_attach(struct device *, struct device *, void *);
struct cfattach thtc_ca = {
sizeof(struct thtc_softc), thtc_match, thtc_attach
};
struct cfdriver thtc_cd = {
NULL, "thtc", DV_DULL
};
/* port autoconf glue */
struct tht_softc {
struct device csc_dev;
};
int tht_match(struct device *, void *, void *);
void tht_attach(struct device *, struct device *, void *);
struct cfattach tht_ca = {
sizeof(struct tht_softc), tht_match, tht_attach
};
struct cfdriver tht_cd = {
NULL, "tht", DV_IFNET
};
/* misc goo */
int thtc_intr(void *);
#define DEVNAME(_sc) ((_sc)->sc_dev.dv_xname)
#define sizeofa(_a) (sizeof(_a) / sizeof((_a)[0]))
struct thtc_device {
pci_vendor_id_t td_vendor;
pci_vendor_id_t td_product;
u_int td_nports;
};
const struct thtc_device *thtc_lookup(struct pci_attach_args *);
static const struct thtc_device thtc_devices[] = {
{ PCI_VENDOR_TEHUTI, PCI_PRODUCT_TEHUTI_TN3009, 1 },
{ PCI_VENDOR_TEHUTI, PCI_PRODUCT_TEHUTI_TN3010, 1 },
{ PCI_VENDOR_TEHUTI, PCI_PRODUCT_TEHUTI_TN3014, 2 }
};
const struct thtc_device *
thtc_lookup(struct pci_attach_args *pa)
{
int i;
const struct thtc_device *td;
for (i = 0; i < sizeofa(thtc_devices); i++) {
td = &thtc_devices[i];
if (td->td_vendor == PCI_VENDOR(pa->pa_id) &&
td->td_product == PCI_PRODUCT(pa->pa_id))
return (td);
}
return (NULL);
}
int
thtc_match(struct device *parent, void *match, void *aux)
{
struct pci_attach_args *pa = aux;
if (thtc_lookup(pa) != NULL)
return (1);
return (0);
}
void
thtc_attach(struct device *parent, struct device *self, void *aux)
{
struct thtc_softc *sc = (struct thtc_softc *)self;
struct pci_attach_args *pa = aux;
pcireg_t memtype;
pci_intr_handle_t ih;
const char *intrstr;
sc->sc_dmat = pa->pa_dmat;
memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, THT_PCI_BAR);
if (pci_mapreg_map(pa, THT_PCI_BAR, memtype, 0, &sc->sc_memt,
&sc->sc_memh, NULL, &sc->sc_mems, 0) != 0) {
printf(": unable to map host registers\n");
return;
}
if (pci_intr_map(pa, &ih) != 0) {
printf(": unable to map interrupt\n");
goto unmap;
}
intrstr = pci_intr_string(pa->pa_pc, ih);
sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_NET,
thtc_intr, sc, DEVNAME(sc));
if (sc->sc_ih == NULL) {
printf(": unable to map interrupt%s%s\n",
intrstr == NULL ? "" : " at ",
intrstr == NULL ? "" : intrstr);
goto unmap;
}
printf(": %s\n", intrstr);
return;
unmap:
bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_mems);
sc->sc_mems = 0;
}
int
tht_match(struct device *parent, void *match, void *aux)
{
return (0);
}
void
tht_attach(struct device *parent, struct device *self, void *aux)
{
printf("\n");
}
int
thtc_intr(void *arg)
{
return (0);
}
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