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/* $OpenBSD: sili_pci.c,v 1.16 2024/05/24 06:02:58 jsg 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.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/timeout.h>
#include <machine/bus.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
#include <dev/ata/atascsi.h>
#include <dev/ic/silireg.h>
#include <dev/ic/silivar.h>
int sili_pci_match(struct device *, void *, void *);
void sili_pci_attach(struct device *, struct device *, void *);
int sili_pci_detach(struct device *, int);
int sili_pci_activate(struct device *, int);
struct sili_pci_softc {
struct sili_softc psc_sili;
pci_chipset_tag_t psc_pc;
pcitag_t psc_tag;
void *psc_ih;
};
const struct cfattach sili_pci_ca = {
sizeof(struct sili_pci_softc),
sili_pci_match,
sili_pci_attach,
sili_pci_detach,
sili_pci_activate
};
struct sili_device {
pci_vendor_id_t sd_vendor;
pci_product_id_t sd_product;
u_int sd_nports;
};
const struct sili_device *sili_lookup(struct pci_attach_args *);
static const struct sili_device sili_devices[] = {
{ PCI_VENDOR_CMDTECH, PCI_PRODUCT_CMDTECH_3124, 4 },
{ PCI_VENDOR_CMDTECH, PCI_PRODUCT_CMDTECH_3131, 1 },
{ PCI_VENDOR_CMDTECH, PCI_PRODUCT_CMDTECH_3132, 2 },
{ PCI_VENDOR_CMDTECH, PCI_PRODUCT_CMDTECH_3531, 1 },
{ PCI_VENDOR_CMDTECH, PCI_PRODUCT_CMDTECH_AAR_1220SA, 2 },
{ PCI_VENDOR_CMDTECH, PCI_PRODUCT_CMDTECH_AAR_1225SA, 2 },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_3124, 4 }
};
const struct sili_device *
sili_lookup(struct pci_attach_args *pa)
{
int i;
const struct sili_device *sd;
for (i = 0; i < nitems(sili_devices); i++) {
sd = &sili_devices[i];
if (sd->sd_vendor == PCI_VENDOR(pa->pa_id) &&
sd->sd_product == PCI_PRODUCT(pa->pa_id))
return (sd);
}
return (NULL);
}
int
sili_pci_match(struct device *parent, void *match, void *aux)
{
return (sili_lookup((struct pci_attach_args *)aux) != NULL);
}
void
sili_pci_attach(struct device *parent, struct device *self, void *aux)
{
struct sili_pci_softc *psc = (void *)self;
struct sili_softc *sc = &psc->psc_sili;
struct pci_attach_args *pa = aux;
const struct sili_device *sd;
pcireg_t memtype;
pci_intr_handle_t ih;
const char *intrstr;
sd = sili_lookup(pa);
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_global = 0;
sc->sc_ios_port = 0;
sc->sc_nports = sd->sd_nports;
memtype = pci_mapreg_type(psc->psc_pc, psc->psc_tag,
SILI_PCI_BAR_GLOBAL);
if (pci_mapreg_map(pa, SILI_PCI_BAR_GLOBAL, memtype, 0,
&sc->sc_iot_global, &sc->sc_ioh_global,
NULL, &sc->sc_ios_global, 0) != 0) {
printf(": unable to map global registers\n");
return;
}
memtype = pci_mapreg_type(psc->psc_pc, psc->psc_tag,
SILI_PCI_BAR_PORT);
if (pci_mapreg_map(pa, SILI_PCI_BAR_PORT, memtype, 0,
&sc->sc_iot_port, &sc->sc_ioh_port,
NULL, &sc->sc_ios_port, 0) != 0) {
printf(": unable to map port registers\n");
goto unmap_global;
}
/* hook up the interrupt */
if (pci_intr_map(pa, &ih)) {
printf(": unable to map interrupt\n");
goto unmap_port;
}
intrstr = pci_intr_string(psc->psc_pc, ih);
psc->psc_ih = pci_intr_establish(psc->psc_pc, ih, IPL_BIO,
sili_intr, sc, sc->sc_dev.dv_xname);
if (psc->psc_ih == NULL) {
printf(": unable to map interrupt%s%s\n",
intrstr == NULL ? "" : " at ",
intrstr == NULL ? "" : intrstr);
goto unmap_port;
}
printf(": %s", intrstr);
if (sili_attach(sc) != 0) {
/* error printed by sili_attach */
goto deintr;
}
return;
deintr:
pci_intr_disestablish(psc->psc_pc, psc->psc_ih);
psc->psc_ih = NULL;
unmap_port:
bus_space_unmap(sc->sc_iot_port, sc->sc_ioh_port, sc->sc_ios_port);
sc->sc_ios_port = 0;
unmap_global:
bus_space_unmap(sc->sc_iot_global, sc->sc_ioh_global,
sc->sc_ios_global);
sc->sc_ios_global = 0;
}
int
sili_pci_detach(struct device *self, int flags)
{
struct sili_pci_softc *psc = (struct sili_pci_softc *)self;
struct sili_softc *sc = &psc->psc_sili;
int rv;
rv = sili_detach(sc, flags);
if (rv != 0)
return (rv);
if (psc->psc_ih != NULL) {
pci_intr_disestablish(psc->psc_pc, psc->psc_ih);
psc->psc_ih = NULL;
}
if (sc->sc_ios_port != 0) {
bus_space_unmap(sc->sc_iot_port, sc->sc_ioh_port,
sc->sc_ios_port);
sc->sc_ios_port = 0;
}
if (sc->sc_ios_global != 0) {
bus_space_unmap(sc->sc_iot_global, sc->sc_ioh_global,
sc->sc_ios_global);
sc->sc_ios_global = 0;
}
return (0);
}
int
sili_pci_activate(struct device *self, int act)
{
struct sili_softc *sc = (struct sili_softc *)self;
int rv = 0;
switch (act) {
case DVACT_RESUME:
sili_resume(sc);
rv = config_activate_children(self, act);
break;
default:
rv = config_activate_children(self, act);
break;
}
return (rv);
}
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