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/* $OpenBSD: qla_pci.c,v 1.10 2024/05/24 06:02:58 jsg Exp $ */
/*
* Copyright (c) 2011 David Gwynne <dlg@openbsd.org>
* Copyright (c) 2013, 2014 Jonathan Matthew <jmatthew@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.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
#ifdef __sparc64__
#include <dev/ofw/openfirm.h>
#endif
#include <scsi/scsi_all.h>
#include <scsi/scsiconf.h>
#include <dev/ic/qlareg.h>
#include <dev/ic/qlavar.h>
#define QLA_PCI_MEM_BAR 0x14
#define QLA_PCI_IO_BAR 0x10
int qla_pci_match(struct device *, void *, void *);
void qla_pci_attach(struct device *, struct device *, void *);
int qla_pci_detach(struct device *, int);
struct qla_pci_softc {
struct qla_softc psc_qla;
pci_chipset_tag_t psc_pc;
pcitag_t psc_tag;
void *psc_ih;
};
const struct cfattach qla_pci_ca = {
sizeof(struct qla_pci_softc),
qla_pci_match,
qla_pci_attach
};
#define PREAD(s, r) pci_conf_read((s)->psc_pc, (s)->psc_tag, (r))
#define PWRITE(s, r, v) pci_conf_write((s)->psc_pc, (s)->psc_tag, (r), (v))
static const struct pci_matchid qla_devices[] = {
{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP2100 },
{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP2200 },
{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP2300 },
{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP2312 },
{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP2322 },
{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP6312 },
{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP6322 },
};
int
qla_pci_match(struct device *parent, void *match, void *aux)
{
return (pci_matchbyid(aux, qla_devices, nitems(qla_devices)) * 2);
}
void
qla_pci_attach(struct device *parent, struct device *self, void *aux)
{
struct qla_pci_softc *psc = (void *)self;
struct qla_softc *sc = &psc->psc_qla;
struct pci_attach_args *pa = aux;
pci_intr_handle_t ih;
const char *intrstr;
u_int32_t pcictl;
#ifdef __sparc64__
u_int64_t wwn;
int node;
#endif
pcireg_t bars[] = { QLA_PCI_MEM_BAR, QLA_PCI_IO_BAR };
pcireg_t memtype;
int r;
psc->psc_pc = pa->pa_pc;
psc->psc_tag = pa->pa_tag;
psc->psc_ih = NULL;
sc->sc_dmat = pa->pa_dmat;
sc->sc_ios = 0;
for (r = 0; r < nitems(bars); r++) {
memtype = pci_mapreg_type(psc->psc_pc, psc->psc_tag, bars[r]);
if (pci_mapreg_map(pa, bars[r], memtype, 0,
&sc->sc_iot, &sc->sc_ioh, NULL, &sc->sc_ios, 0) == 0)
break;
sc->sc_ios = 0;
}
if (sc->sc_ios == 0) {
printf(": unable to map registers\n");
return;
}
if (pci_intr_map(pa, &ih)) {
printf(": unable to map interrupt\n");
goto unmap;
}
intrstr = pci_intr_string(psc->psc_pc, ih);
psc->psc_ih = pci_intr_establish(psc->psc_pc, ih, IPL_BIO,
qla_intr, sc, DEVNAME(sc));
if (psc->psc_ih == NULL) {
printf(": unable to establish interrupt");
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
goto deintr;
}
printf(": %s\n", intrstr);
pcictl = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
pcictl |= PCI_COMMAND_INVALIDATE_ENABLE |
PCI_COMMAND_PARITY_ENABLE | PCI_COMMAND_SERR_ENABLE;
/* fw manual says to enable bus master here, then disable it while
* resetting.. hm.
*/
pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, pcictl);
pcictl = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG);
pcictl &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
pcictl &= ~(PCI_CACHELINE_MASK << PCI_CACHELINE_SHIFT);
pcictl |= (0x80 << PCI_LATTIMER_SHIFT);
pcictl |= (0x10 << PCI_CACHELINE_SHIFT);
pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG, pcictl);
pcictl = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ROM_REG);
pcictl &= ~1;
pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_ROM_REG, pcictl);
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_QLOGIC_ISP2100:
sc->sc_isp_gen = QLA_GEN_ISP2100;
sc->sc_isp_type = QLA_ISP2100;
break;
case PCI_PRODUCT_QLOGIC_ISP2200:
sc->sc_isp_gen = QLA_GEN_ISP2200;
sc->sc_isp_type = QLA_ISP2200;
break;
case PCI_PRODUCT_QLOGIC_ISP2300:
sc->sc_isp_type = QLA_ISP2300;
sc->sc_isp_gen = QLA_GEN_ISP23XX;
break;
case PCI_PRODUCT_QLOGIC_ISP2312:
case PCI_PRODUCT_QLOGIC_ISP6312:
sc->sc_isp_type = QLA_ISP2312;
sc->sc_isp_gen = QLA_GEN_ISP23XX;
break;
case PCI_PRODUCT_QLOGIC_ISP2322:
case PCI_PRODUCT_QLOGIC_ISP6322:
sc->sc_isp_type = QLA_ISP2322;
sc->sc_isp_gen = QLA_GEN_ISP23XX;
break;
default:
printf("unknown pci id %x", pa->pa_id);
return;
}
#ifdef __sparc64__
node = PCITAG_NODE(pa->pa_tag);
if (OF_getprop(node, "port-wwn", &wwn, sizeof(wwn)) == sizeof(wwn))
sc->sc_port_name = wwn;
if (OF_getprop(node, "node-wwn", &wwn, sizeof(wwn)) == sizeof(wwn))
sc->sc_node_name = wwn;
#endif
sc->sc_port = pa->pa_function;
if (qla_attach(sc) != 0) {
/* error printed by qla_attach */
goto deintr;
}
return;
deintr:
pci_intr_disestablish(psc->psc_pc, psc->psc_ih);
psc->psc_ih = NULL;
unmap:
bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios);
sc->sc_ios = 0;
}
int
qla_pci_detach(struct device *self, int flags)
{
struct qla_pci_softc *psc = (struct qla_pci_softc *)self;
struct qla_softc *sc = &psc->psc_qla;
int rv;
if (psc->psc_ih == NULL) {
/* we didnt attach properly, so nothing to detach */
return (0);
}
rv = qla_detach(sc, flags);
if (rv != 0)
return (rv);
pci_intr_disestablish(psc->psc_pc, psc->psc_ih);
psc->psc_ih = NULL;
bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios);
sc->sc_ios = 0;
return (0);
}
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