/* $NetBSD: pci_machdep.c,v 1.25 2015/02/18 16:47:59 macallan Exp $ */
/*
* Copyright (c) 2000 Soren S. Jorvang
* 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 for the
* NetBSD Project. See
http://www.NetBSD.org/ for
* information about NetBSD.
* 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.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pci_machdep.c,v 1.25 2015/02/18 16:47:59 macallan Exp $");
#include "opt_pci.h"
#include "pci.h"
#include <sys/types.h>
#include <sys/param.h>
#include <sys/time.h>
#include <sys/systm.h>
#include <sys/errno.h>
#include <sys/device.h>
#include <uvm/uvm_extern.h>
#include <sys/bus.h>
#include <machine/intr.h>
#include <machine/sysconf.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcidevs.h>
#include <dev/pci/pciconf.h>
struct mips_bus_dma_tag pci_bus_dma_tag;
void
pci_attach_hook(device_t parent, device_t self, struct pcibus_attach_args *pba)
{
/*
* PCI doesn't have any special needs; just use
* the generic versions of these functions as
* established in sgimips_bus_dma_init().
*/
pci_bus_dma_tag = sgimips_default_bus_dma_tag; /* struct copy */
/* XXX */
return;
}
int
pci_bus_maxdevs(pci_chipset_tag_t pc, int busno)
{
return (*pc->pc_bus_maxdevs)(pc, busno);
}
pcitag_t
pci_make_tag(pci_chipset_tag_t pc, int bus, int device, int function)
{
return (bus << 16) | (device << 11) | (function << 8);
}
void
pci_decompose_tag(pci_chipset_tag_t pc, pcitag_t tag, int *bp, int *dp, int *fp)
{
if (bp != NULL)
*bp = (tag >> 16) & 0xff;
if (dp != NULL)
*dp = (tag >> 11) & 0x1f;
if (fp != NULL)
*fp = (tag >> 8) & 0x07;
}
pcireg_t
pci_conf_read(pci_chipset_tag_t pc, pcitag_t tag, int reg)
{
return (*pc->pc_conf_read)(pc, tag, reg);
}
void
pci_conf_write(pci_chipset_tag_t pc, pcitag_t tag, int reg, pcireg_t data)
{
(*pc->pc_conf_write)(pc, tag, reg, data);
}
int
pci_intr_map(const struct pci_attach_args *pa, pci_intr_handle_t *ihp)
{
return (*pa->pa_pc->pc_intr_map)(pa, ihp);
}
const char *
pci_intr_string(pci_chipset_tag_t pc, pci_intr_handle_t ih, char *buf,
size_t len)
{
return (*pc->pc_intr_string)(pc, ih, buf, len);
}
const struct evcnt *
pci_intr_evcnt(pci_chipset_tag_t pc, pci_intr_handle_t ih)
{
/* XXX for now, no evcnt parent reported */
return NULL;
}
int
pci_intr_setattr(pci_chipset_tag_t pc, pci_intr_handle_t *ih,
int attr, uint64_t data)
{
switch (attr) {
case PCI_INTR_MPSAFE:
return 0;
default:
return ENODEV;
}
}
void *
pci_intr_establish(pci_chipset_tag_t pc, pci_intr_handle_t ih, int level,
int (*func)(void *), void *arg)
{
return (void *)(*pc->intr_establish)(ih, 0, func, arg);
}
void
pci_intr_disestablish(pci_chipset_tag_t pc, void *cookie)
{
(*pc->intr_disestablish)(cookie);
}
#ifdef PCI_NETBSD_CONFIGURE
int
pci_conf_hook(pci_chipset_tag_t pc, int bus, int device, int function,
pcireg_t id)
{
if (pc->pc_conf_hook)
return (*pc->pc_conf_hook)(pc, bus, device, function, id);
else
return (PCI_CONF_DEFAULT);
}
void
pci_conf_interrupt(pci_chipset_tag_t pc, int bus, int dev, int pin, int swiz,
int *iline)
{
return;
}
#endif
