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/* $OpenBSD: cy_pci.c,v 1.15 2021/03/05 12:40:13 jsg Exp $ */
/*
* Copyright (c) 1996 Timo Rossi.
* All rights reserved.
*
* 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. Neither the name of the author nor the names of contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*/
/*
* cy_pci.c
*
* Driver for Cyclades Cyclom-8/16/32 multiport serial cards
* (currently not tested with Cyclom-32 cards)
*
* Timo Rossi, 1996
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcidevs.h>
#include <dev/ic/cd1400reg.h>
#include <dev/ic/cyreg.h>
int cy_pci_match(struct device *, void *, void *);
void cy_pci_attach(struct device *, struct device *, void *);
struct cy_pci_softc {
struct cy_softc sc_cy; /* real softc */
bus_space_tag_t sc_iot; /* PLX i/o tag */
bus_space_handle_t sc_ioh; /* PLX i/o handle */
};
struct cfattach cy_pci_ca = {
sizeof(struct cy_pci_softc), cy_pci_match, cy_pci_attach
};
#define CY_PLX_9050_ICS_IENABLE 0x040
#define CY_PLX_9050_ICS_LOCAL_IENABLE 0x001
#define CY_PLX_9050_ICS_LOCAL_IPOLARITY 0x002
#define CY_PLX_9060_ICS_IENABLE 0x100
#define CY_PLX_9060_ICS_LOCAL_IENABLE 0x800
const struct pci_matchid cy_pci_devices[] = {
{ PCI_VENDOR_CYCLADES, PCI_PRODUCT_CYCLADES_CYCLOMY_1 },
{ PCI_VENDOR_CYCLADES, PCI_PRODUCT_CYCLADES_CYCLOMY_2 },
{ PCI_VENDOR_CYCLADES, PCI_PRODUCT_CYCLADES_CYCLOM4Y_1 },
{ PCI_VENDOR_CYCLADES, PCI_PRODUCT_CYCLADES_CYCLOM4Y_2 },
{ PCI_VENDOR_CYCLADES, PCI_PRODUCT_CYCLADES_CYCLOM8Y_1 },
{ PCI_VENDOR_CYCLADES, PCI_PRODUCT_CYCLADES_CYCLOM8Y_2 },
};
int
cy_pci_match(struct device *parent, void *match, void *aux)
{
return (pci_matchbyid((struct pci_attach_args *)aux, cy_pci_devices,
nitems(cy_pci_devices)));
}
void
cy_pci_attach(struct device *parent, struct device *self, void *aux)
{
struct cy_pci_softc *psc = (struct cy_pci_softc *)self;
struct cy_softc *sc = (struct cy_softc *)self;
struct pci_attach_args *pa = aux;
const char *intrstr = NULL;
pci_intr_handle_t ih;
pcireg_t memtype;
int plx_ver;
sc->sc_bustype = CY_BUSTYPE_PCI;
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_CYCLADES_CYCLOMY_1:
case PCI_PRODUCT_CYCLADES_CYCLOM4Y_1:
case PCI_PRODUCT_CYCLADES_CYCLOM8Y_1:
memtype = PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT_1M;
break;
case PCI_PRODUCT_CYCLADES_CYCLOMY_2:
case PCI_PRODUCT_CYCLADES_CYCLOM4Y_2:
case PCI_PRODUCT_CYCLADES_CYCLOM8Y_2:
memtype = PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT;
break;
}
if (pci_mapreg_map(pa, 0x14, PCI_MAPREG_TYPE_IO, 0,
&psc->sc_iot, &psc->sc_ioh, NULL, NULL, 0) != 0) {
printf(": unable to map PLX registers\n");
return;
}
if (pci_mapreg_map(pa, 0x18, memtype, 0, &sc->sc_memt,
&sc->sc_memh, NULL, NULL, 0) != 0) {
printf(": couldn't map device registers\n");
return;
}
if ((sc->sc_nr_cd1400s = cy_probe_common(sc->sc_memt, sc->sc_memh,
CY_BUSTYPE_PCI)) == 0) {
printf(": PCI Cyclom card with no CD1400s\n");
return;
}
if (pci_intr_map(pa, &ih) != 0) {
printf(": couldn't map interrupt\n");
return;
}
intrstr = pci_intr_string(pa->pa_pc, ih);
sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_TTY, cy_intr,
sc, sc->sc_dev.dv_xname);
if (sc->sc_ih == NULL) {
printf(": couldn't establish interrupt");
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return;
}
printf(": %s", intrstr);
cy_attach(parent, self);
/* Get PLX version */
plx_ver = bus_space_read_1(sc->sc_memt, sc->sc_memh, CY_PLX_VER) & 0x0f;
/* Enable PCI card interrupts */
switch (plx_ver) {
case CY_PLX_9050:
bus_space_write_2(psc->sc_iot, psc->sc_ioh, CY_PCI_INTENA_9050,
CY_PLX_9050_ICS_IENABLE | CY_PLX_9050_ICS_LOCAL_IENABLE |
CY_PLX_9050_ICS_LOCAL_IPOLARITY);
break;
case CY_PLX_9060:
case CY_PLX_9080:
default:
bus_space_write_2(psc->sc_iot, psc->sc_ioh, CY_PCI_INTENA,
bus_space_read_2(psc->sc_iot, psc->sc_ioh,
CY_PCI_INTENA) | CY_PLX_9060_ICS_IENABLE |
CY_PLX_9060_ICS_LOCAL_IENABLE);
}
}
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