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NetBSD/sys/dev/pci/if_sf_pci.c

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/* $NetBSD: if_sf_pci.c,v 1.8 2004/08/21 23:48:33 thorpej Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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 the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*
* PCI bus front-end for the Adaptec AIC-6915 (``Starfire'')
* 10/100 Ethernet controller.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_sf_pci.c,v 1.8 2004/08/21 23:48:33 thorpej Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/errno.h>
#include <sys/device.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <net/if_ether.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/mii/miivar.h>
#include <dev/ic/aic6915reg.h>
#include <dev/ic/aic6915var.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
struct sf_pci_softc {
struct sf_softc sc_starfire; /* read Starfire softc */
/* PCI-specific goo. */
void *sc_ih; /* interrupt handle */
};
static int sf_pci_match(struct device *, struct cfdata *, void *);
static void sf_pci_attach(struct device *, struct device *, void *);
CFATTACH_DECL(sf_pci, sizeof(struct sf_pci_softc),
sf_pci_match, sf_pci_attach, NULL, NULL);
struct sf_pci_product {
uint32_t spp_vendor; /* PCI vendor ID */
uint32_t spp_product; /* PCI product ID */
const char *spp_name; /* product name */
const struct sf_pci_product *spp_subsys; /* subsystm IDs */
};
static const struct sf_pci_product sf_subsys_adaptec[] = {
/* ANA-62011 (rev 0) Single port 10/100 64-bit */
{ PCI_VENDOR_ADP, 0x0008,
"ANA-62011 (rev 0) 10/100 Ethernet", NULL },
/* ANA-62011 (rev 1) Single port 10/100 64-bit */
{ PCI_VENDOR_ADP, 0x0009,
"ANA-62011 (rev 1) 10/100 Ethernet", NULL },
/* ANA-62022 Dual port 10/100 64-bit */
{ PCI_VENDOR_ADP, 0x0010,
"ANA-62022 10/100 Ethernet", NULL },
/* ANA-62044 (rev 0) Quad port 10/100 64-bit */
{ PCI_VENDOR_ADP, 0x0018,
"ANA-62044 (rev 0) 10/100 Ethernet", NULL },
/* ANA-62044 (rev 1) Quad port 10/100 64-bit */
{ PCI_VENDOR_ADP, 0x0019,
"ANA-62044 (rev 1) 10/100 Ethernet", NULL },
/* ANA-62020 Single port 100baseFX 64-bit */
{ PCI_VENDOR_ADP, 0x0020,
"ANA-62020 100baseFX Ethernet", NULL },
/* ANA-69011 Single port 10/100 32-bit */
{ PCI_VENDOR_ADP, 0x0028,
"ANA-69011 10/100 Ethernet", NULL },
{ 0, 0,
NULL, NULL },
};
static const struct sf_pci_product sf_pci_products[] = {
{ PCI_VENDOR_ADP, PCI_PRODUCT_ADP_AIC6915,
"AIC-6915 10/100 Ethernet", sf_subsys_adaptec },
{ 0, 0,
NULL, NULL },
};
static const struct sf_pci_product *
sf_pci_lookup(const struct pci_attach_args *pa)
{
const struct sf_pci_product *spp, *subspp;
pcireg_t subsysid;
for (spp = sf_pci_products; spp->spp_name != NULL; spp++) {
if (PCI_VENDOR(pa->pa_id) == spp->spp_vendor &&
PCI_PRODUCT(pa->pa_id) == spp->spp_product) {
subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag,
PCI_SUBSYS_ID_REG);
for (subspp = spp->spp_subsys;
subspp->spp_name != NULL; subspp++) {
if (PCI_VENDOR(subsysid) ==
subspp->spp_vendor ||
PCI_PRODUCT(subsysid) ==
subspp->spp_product) {
return (subspp);
}
}
return (spp);
}
}
return (NULL);
}
static int
sf_pci_match(struct device *parent, struct cfdata *match, void *aux)
{
struct pci_attach_args *pa = aux;
if (sf_pci_lookup(pa) != NULL)
return (1);
return (0);
}
static void
sf_pci_attach(struct device *parent, struct device *self, void *aux)
{
struct sf_pci_softc *psc = (void *) self;
struct sf_softc *sc = &psc->sc_starfire;
struct pci_attach_args *pa = aux;
pci_intr_handle_t ih;
const char *intrstr = NULL;
const struct sf_pci_product *spp;
bus_space_tag_t iot, memt;
bus_space_handle_t ioh, memh;
pcireg_t reg;
int pmreg, ioh_valid, memh_valid;
spp = sf_pci_lookup(pa);
if (spp == NULL) {
printf("\n");
panic("sf_pci_attach: impossible");
}
printf(": %s, rev. %d\n", spp->spp_name, PCI_REVISION(pa->pa_class));
if (pci_get_capability(pa->pa_pc, pa->pa_tag, PCI_CAP_PWRMGMT,
&pmreg, 0)) {
reg = pci_conf_read(pa->pa_pc, pa->pa_tag, pmreg + PCI_PMCSR);
switch (reg & PCI_PMCSR_STATE_MASK) {
case PCI_PMCSR_STATE_D1:
case PCI_PMCSR_STATE_D2:
printf(": waking up from power state D%d\n%s",
reg & PCI_PMCSR_STATE_MASK, sc->sc_dev.dv_xname);
pci_conf_write(pa->pa_pc, pa->pa_tag, pmreg + PCI_PMCSR,
(reg & ~PCI_PMCSR_STATE_MASK) |
PCI_PMCSR_STATE_D0);
break;
case PCI_PMCSR_STATE_D3:
printf("%s: unable to wake up from power state D3\n",
sc->sc_dev.dv_xname);
pci_conf_write(pa->pa_pc, pa->pa_tag, pmreg + PCI_PMCSR,
(reg & ~PCI_PMCSR_STATE_MASK) |
PCI_PMCSR_STATE_D0);
return;
}
}
/*
* Map the device.
*/
reg = pci_mapreg_type(pa->pa_pc, pa->pa_tag, SF_PCI_MEMBA);
switch (reg) {
case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT:
case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT:
memh_valid = (pci_mapreg_map(pa, SF_PCI_MEMBA,
reg, 0, &memt, &memh, NULL, NULL) == 0);
break;
default:
memh_valid = 0;
}
ioh_valid = (pci_mapreg_map(pa,
(reg == (PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT)) ?
SF_PCI_IOBA : SF_PCI_IOBA - 0x04,
PCI_MAPREG_TYPE_IO, 0,
&iot, &ioh, NULL, NULL) == 0);
if (memh_valid) {
sc->sc_st = memt;
sc->sc_sh = memh;
sc->sc_iomapped = 0;
} else if (ioh_valid) {
sc->sc_st = iot;
sc->sc_sh = ioh;
sc->sc_iomapped = 1;
} else {
printf("%s: unable to map device registers\n",
sc->sc_dev.dv_xname);
return;
}
sc->sc_dmat = pa->pa_dmat;
/* Make sure bus mastering is enabled. */
pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) |
PCI_COMMAND_MASTER_ENABLE);
/*
* Map and establish our interrupt.
*/
if (pci_intr_map(pa, &ih)) {
printf("%s: unable to map interrupt\n", sc->sc_dev.dv_xname);
return;
}
intrstr = pci_intr_string(pa->pa_pc, ih);
psc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_NET, sf_intr, sc);
if (psc->sc_ih == NULL) {
printf("%s: unable to establish interrupt",
sc->sc_dev.dv_xname);
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return;
}
printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
/*
* Finish off the attach.
*/
sf_attach(sc);
}
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