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/* $OpenBSD: ccp_pci.c,v 1.5 2020/01/04 01:34:24 jsg Exp $ */
/*
* Copyright (c) 2018 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/kernel.h>
#include <sys/rwlock.h>
#include <sys/device.h>
#include <sys/timeout.h>
#include <sys/queue.h>
#include <machine/bus.h>
#include <dev/pci/pcidevs.h>
#include <dev/pci/pcivar.h>
#include <dev/ic/ccpvar.h>
#define CCP_PCI_BAR 0x18
int ccp_pci_match(struct device *, void *, void *);
void ccp_pci_attach(struct device *, struct device *, void *);
struct cfattach ccp_pci_ca = {
sizeof(struct ccp_softc),
ccp_pci_match,
ccp_pci_attach,
};
static const struct pci_matchid ccp_pci_devices[] = {
{ PCI_VENDOR_AMD, PCI_PRODUCT_AMD_16_CCP },
{ PCI_VENDOR_AMD, PCI_PRODUCT_AMD_17_CCP_1 },
{ PCI_VENDOR_AMD, PCI_PRODUCT_AMD_17_CCP_2 },
{ PCI_VENDOR_AMD, PCI_PRODUCT_AMD_17_1X_CCP },
{ PCI_VENDOR_AMD, PCI_PRODUCT_AMD_17_3X_CCP },
};
int
ccp_pci_match(struct device *parent, void *match, void *aux)
{
return (pci_matchbyid(aux, ccp_pci_devices, nitems(ccp_pci_devices)));
}
void
ccp_pci_attach(struct device *parent, struct device *self, void *aux)
{
struct ccp_softc *sc = (struct ccp_softc *)self;
struct pci_attach_args *pa = aux;
pcireg_t memtype;
memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, CCP_PCI_BAR);
if (PCI_MAPREG_TYPE(memtype) != PCI_MAPREG_TYPE_MEM) {
printf(": wrong memory type\n");
return;
}
if (pci_mapreg_map(pa, CCP_PCI_BAR, memtype, 0,
&sc->sc_iot, &sc->sc_ioh, NULL, NULL, 0) != 0) {
printf(": cannot map registers\n");
return;
}
ccp_attach(sc);
}
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