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/* $OpenBSD: pci_up1000.c,v 1.18 2017/09/08 05:36:51 deraadt Exp $ */
/* $NetBSD: pci_up1000.c,v 1.6 2000/12/28 22:59:07 sommerfeld Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#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 <machine/autoconf.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/isa/isavar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/ppbreg.h>
#include <dev/pci/pciidereg.h>
#include <dev/pci/pciidevar.h>
#include <alpha/pci/irongatevar.h>
#include <alpha/pci/pci_up1000.h>
#include <alpha/pci/siovar.h>
#include "sio.h"
int api_up1000_intr_map(struct pci_attach_args *, pci_intr_handle_t *);
const char *api_up1000_intr_string(void *, pci_intr_handle_t);
int api_up1000_intr_line(void *, pci_intr_handle_t);
void *api_up1000_intr_establish(void *, pci_intr_handle_t,
int, int (*func)(void *), void *, const char *);
void api_up1000_intr_disestablish(void *, void *);
void *api_up1000_pciide_compat_intr_establish(void *, struct device *,
struct pci_attach_args *, int, int (*)(void *), void *);
void api_up1000_pciide_compat_intr_disestablish(void *, void *);
void
pci_up1000_pickintr(struct irongate_config *icp)
{
bus_space_tag_t iot = &icp->ic_iot;
pci_chipset_tag_t pc = &icp->ic_pc;
pc->pc_intr_v = icp;
pc->pc_intr_map = api_up1000_intr_map;
pc->pc_intr_string = api_up1000_intr_string;
pc->pc_intr_line = api_up1000_intr_line;
pc->pc_intr_establish = api_up1000_intr_establish;
pc->pc_intr_disestablish = api_up1000_intr_disestablish;
pc->pc_pciide_compat_intr_establish =
api_up1000_pciide_compat_intr_establish;
pc->pc_pciide_compat_intr_disestablish =
api_up1000_pciide_compat_intr_disestablish;
#if NSIO
sio_intr_setup(pc, iot);
#else
panic("pci_up1000_pickintr: no I/O interrupt handler (no sio)");
#endif
}
int
api_up1000_intr_map(struct pci_attach_args *pa, pci_intr_handle_t *ihp)
{
int buspin, line = pa->pa_intrline;
/*
* The console places the interrupt mapping in the "line" value.
* We trust it whenever possible.
*/
if (line >= 0 && line <= 15) {
if (line == 2) {
#ifdef DEBUG
printf("api_up1000_intr_map: changed IRQ 2 to IRQ 9\n");
#endif
line = 9;
}
*ihp = line;
return 0;
}
if (pa->pa_bridgetag) {
buspin = PPB_INTERRUPT_SWIZZLE(pa->pa_rawintrpin,
pa->pa_device);
if (pa->pa_bridgeih[buspin - 1] != 0) {
*ihp = pa->pa_bridgeih[buspin - 1];
return 0;
}
}
return 1;
}
const char *
api_up1000_intr_string(void *icv, pci_intr_handle_t ih)
{
#if 0
struct irongate_config *icp = icv;
#endif
return sio_intr_string(NULL /*XXX*/, ih);
}
int
api_up1000_intr_line(void *icv, pci_intr_handle_t ih)
{
return sio_intr_line(NULL /*XXX*/, ih);
}
void *
api_up1000_intr_establish(void *icv, pci_intr_handle_t ih, int level,
int (*func)(void *), void *arg, const char *name)
{
#if 0
struct irongate_config *icp = icv;
#endif
return sio_intr_establish(NULL /*XXX*/, ih, IST_LEVEL, level, func,
arg, name);
}
void
api_up1000_intr_disestablish(void *icv, void *cookie)
{
#if 0
struct irongate_config *icp = icv;
#endif
sio_intr_disestablish(NULL /*XXX*/, cookie);
}
void *
api_up1000_pciide_compat_intr_establish(void *icv, struct device *dev,
struct pci_attach_args *pa, int chan, int (*func)(void *), void *arg)
{
pci_chipset_tag_t pc = pa->pa_pc;
void *cookie = NULL;
int bus, irq;
pci_decompose_tag(pc, pa->pa_tag, &bus, NULL, NULL);
/*
* If this isn't PCI bus #0, all bets are off.
*/
if (bus != 0)
return (NULL);
irq = PCIIDE_COMPAT_IRQ(chan);
#if NSIO
cookie = sio_intr_establish(NULL /*XXX*/, irq, IST_EDGE, IPL_BIO,
func, arg, dev->dv_xname);
if (cookie == NULL)
return (NULL);
#endif
return (cookie);
}
void
api_up1000_pciide_compat_intr_disestablish(void *v, void *cookie)
{
sio_intr_disestablish(NULL, cookie);
}
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