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/* $OpenBSD: qlw_pci.c,v 1.7 2014/03/08 15:13:12 kettenis Exp $ */
/*
* Copyright (c) 2011 David Gwynne <dlg@openbsd.org>
* Copyright (c) 2013, 2014 Jonathan Matthew <jmatthew@openbsd.org>
* Copyright (c) 2014 Mark Kettenis <kettenis@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 "bio.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/device.h>
#include <sys/sensors.h>
#include <sys/rwlock.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/qlwreg.h>
#include <dev/ic/qlwvar.h>
#ifndef ISP_NOFIRMWARE
#include <dev/microcode/isp/asm_1040.h>
#include <dev/microcode/isp/asm_1080.h>
#include <dev/microcode/isp/asm_12160.h>
#endif
#define QLW_PCI_MEM_BAR 0x14
#define QLW_PCI_IO_BAR 0x10
int qlw_pci_match(struct device *, void *, void *);
void qlw_pci_attach(struct device *, struct device *, void *);
int qlw_pci_detach(struct device *, int);
struct qlw_pci_softc {
struct qlw_softc psc_qlw;
pci_chipset_tag_t psc_pc;
pcitag_t psc_tag;
void *psc_ih;
};
struct cfattach qlw_pci_ca = {
sizeof(struct qlw_pci_softc),
qlw_pci_match,
qlw_pci_attach
};
static const struct pci_matchid qlw_devices[] = {
{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP1020 },
{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP1240 },
{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP1080 },
{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP1280 },
{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP10160 },
{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP12160 },
};
int
qlw_pci_match(struct device *parent, void *match, void *aux)
{
struct pci_attach_args *pa = aux;
/* Silly AMI MegaRAID exposes its ISP12160 to us. */
if (PCI_PRODUCT(pa->pa_id == PCI_PRODUCT_QLOGIC_ISP12160)) {
pcireg_t subid;
subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBVEND_0);
if (PCI_VENDOR(subid) == PCI_VENDOR_AMI)
return (0);
}
return (pci_matchbyid(aux, qlw_devices, nitems(qlw_devices)) * 2);
}
void
qlw_pci_attach(struct device *parent, struct device *self, void *aux)
{
struct qlw_pci_softc *psc = (void *)self;
struct qlw_softc *sc = &psc->psc_qlw;
struct pci_attach_args *pa = aux;
pci_intr_handle_t ih;
u_int32_t pcictl;
#ifdef __sparc64__
int node, initiator;
#endif
pcireg_t bars[] = { QLW_PCI_MEM_BAR, QLW_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;
}
printf(": %s\n", pci_intr_string(psc->psc_pc, ih));
psc->psc_ih = pci_intr_establish(psc->psc_pc, ih, IPL_BIO,
qlw_intr, sc, DEVNAME(sc));
if (psc->psc_ih == NULL) {
printf("%s: unable to establish interrupt\n", DEVNAME(sc));
goto deintr;
}
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_ISP1020:
sc->sc_isp_gen = QLW_GEN_ISP1040;
switch (PCI_REVISION(pa->pa_class)) {
case 0:
sc->sc_isp_type = QLW_ISP1020;
break;
case 1:
sc->sc_isp_type = QLW_ISP1020A;
break;
case 2:
sc->sc_isp_type = QLW_ISP1040;
break;
case 3:
sc->sc_isp_type = QLW_ISP1040A;
break;
case 4:
sc->sc_isp_type = QLW_ISP1040B;
break;
case 5:
default:
sc->sc_isp_type = QLW_ISP1040C;
break;
}
sc->sc_numbusses = 1;
if (PCI_REVISION(pa->pa_class) < 2)
sc->sc_clock = 40; /* ISP1020/1020A */
else
sc->sc_clock = 60; /* ISP1040/1040A/1040B/1040C */
break;
case PCI_PRODUCT_QLOGIC_ISP1240:
sc->sc_isp_gen = QLW_GEN_ISP1080;
sc->sc_isp_type = QLW_ISP1240;
sc->sc_numbusses = 2;
sc->sc_clock = 60;
break;
case PCI_PRODUCT_QLOGIC_ISP1080:
sc->sc_isp_gen = QLW_GEN_ISP1080;
sc->sc_isp_type = QLW_ISP1080;
sc->sc_numbusses = 1;
sc->sc_clock = 100;
break;
case PCI_PRODUCT_QLOGIC_ISP1280:
sc->sc_isp_gen = QLW_GEN_ISP1080;
sc->sc_isp_type = QLW_ISP1280;
sc->sc_numbusses = 2;
sc->sc_clock = 100;
break;
case PCI_PRODUCT_QLOGIC_ISP10160:
sc->sc_isp_gen = QLW_GEN_ISP12160;
sc->sc_isp_type = QLW_ISP10160;
sc->sc_numbusses = 1;
sc->sc_clock = 100;
break;
case PCI_PRODUCT_QLOGIC_ISP12160:
sc->sc_isp_gen = QLW_GEN_ISP12160;
sc->sc_isp_type = QLW_ISP12160;
sc->sc_numbusses = 2;
sc->sc_clock = 100;
break;
default:
printf("unknown pci id %x", pa->pa_id);
return;
}
#ifndef ISP_NOFIRMWARE
switch (sc->sc_isp_gen) {
case QLW_GEN_ISP1040:
sc->sc_firmware = isp_1040_risc_code;
break;
case QLW_GEN_ISP1080:
sc->sc_firmware = isp_1080_risc_code;
break;
case QLW_GEN_ISP12160:
sc->sc_firmware = isp_12160_risc_code;
break;
}
#endif
/*
* The standard SCSI initiator ID is 7, but various SGI
* machines use 0 as the initiator ID for their onboard SCSI.
* Add-on cards should have a valid nvram, which will override
* these defaults.
*/
#ifdef __sgi__
sc->sc_initiator[0] = sc->sc_initiator[1] = 0;
#else
sc->sc_initiator[0] = sc->sc_initiator[1] = 7;
#endif
#ifdef __sparc64__
/*
* Walk up the Open Firmware device tree until we find a
* "scsi-initiator-id" property.
*/
node = PCITAG_NODE(pa->pa_tag);
while (node) {
if (OF_getprop(node, "scsi-initiator-id",
&initiator, sizeof(initiator)) == sizeof(initiator)) {
/*
* Override the SCSI initiator ID provided by
* the nvram.
*/
sc->sc_flags |= QLW_FLAG_INITIATOR;
sc->sc_initiator[0] = sc->sc_initiator[1] = initiator;
break;
}
node = OF_parent(node);
}
#endif
if (qlw_attach(sc) != 0) {
/* error printed by qlw_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
qlw_pci_detach(struct device *self, int flags)
{
struct qlw_pci_softc *psc = (struct qlw_pci_softc *)self;
struct qlw_softc *sc = &psc->psc_qlw;
int rv;
if (psc->psc_ih == NULL) {
/* we didnt attach properly, so nothing to detach */
return (0);
}
rv = qlw_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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