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/* $OpenBSD: lofn.c,v 1.2 2001/06/26 03:54:31 jason Exp $ */
/*
* Copyright (c) 2001 Jason L. Wright (jason@thought.net)
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Jason L. Wright
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*/
/*
* Driver for the Hi/Fn 6500 assymmetric encryption processor.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/proc.h>
#include <sys/errno.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/mbuf.h>
#include <vm/vm.h>
#include <vm/vm_extern.h>
#include <vm/pmap.h>
#include <machine/pmap.h>
#include <sys/device.h>
#include <crypto/cryptodev.h>
#include <dev/rndvar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
#include <dev/pci/lofnreg.h>
#include <dev/pci/lofnvar.h>
/*
* Prototypes and count for the pci_device structure
*/
int lofn_probe __P((struct device *, void *, void *));
void lofn_attach __P((struct device *, struct device *, void *));
struct cfattach lofn_ca = {
sizeof(struct lofn_softc), lofn_probe, lofn_attach,
};
struct cfdriver lofn_cd = {
0, "lofn", DV_DULL
};
int lofn_intr __P((void *));
int
lofn_probe(parent, match, aux)
struct device *parent;
void *match;
void *aux;
{
struct pci_attach_args *pa = (struct pci_attach_args *) aux;
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_HIFN &&
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_HIFN_6500)
return (1);
return (0);
}
void
lofn_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct lofn_softc *sc = (struct lofn_softc *)self;
struct pci_attach_args *pa = aux;
pci_chipset_tag_t pc = pa->pa_pc;
pci_intr_handle_t ih;
const char *intrstr = NULL;
bus_size_t iosize;
u_int32_t cmd;
cmd = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
cmd |= PCI_COMMAND_MEM_ENABLE;
pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, cmd);
cmd = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
if (!(cmd & PCI_COMMAND_MEM_ENABLE)) {
printf(": failed to enable memory mapping\n");
return;
}
if (pci_mapreg_map(pa, LOFN_BAR0, PCI_MAPREG_TYPE_MEM, 0,
&sc->sc_st, &sc->sc_sh, NULL, &iosize, 0)) {
printf(": can't map mem space %d\n", 0);
return;
}
sc->sc_dmat = pa->pa_dmat;
if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin,
pa->pa_intrline, &ih)) {
printf(": couldn't map interrupt\n");
goto fail_io;
}
intrstr = pci_intr_string(pc, ih);
sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, lofn_intr, sc,
self->dv_xname);
if (sc->sc_ih == NULL) {
printf(": couldn't establish interrupt");
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
goto fail_io;
}
printf("\n");
return;
pci_intr_disestablish(pc, sc->sc_ih);
fail_io:
bus_space_unmap(sc->sc_st, sc->sc_sh, iosize);
}
int
lofn_intr(arg)
void *arg;
{
return (0);
}
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