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/* $OpenBSD: pci_up1000.c,v 1.6 2001/11/06 19:53:13 miod 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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/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 <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/pciidereg.h>
#include <dev/pci/pciidevar.h>
#include <alpha/pci/irongatevar.h>
#include <alpha/pci/pci_up1000.h>
#include <alpha/pci/siovar.h>
#include <alpha/pci/sioreg.h>
#include "sio.h"
int api_up1000_intr_map(void *, pcitag_t, int, int, 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);
const struct evcnt *api_up1000_intr_evcnt(void *, pci_intr_handle_t);
void *api_up1000_intr_establish(void *, pci_intr_handle_t,
int, int (*func)(void *), void *, 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;
#if 0
pc->pc_intr_evcnt = api_up1000_intr_evcnt;
#endif
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);
set_iointr(&sio_iointr);
#else
panic("pci_up1000_pickintr: no I/O interrupt handler (no sio)");
#endif
}
int
api_up1000_intr_map(void *icv, pcitag_t bustag, int buspin, int line, pci_intr_handle_t *ihp)
{
struct irongate_config *icc = icv;
pci_chipset_tag_t pc = &icc->ic_pc;
int bus, device, function;
if (buspin == 0) {
/* No IRQ used. */
return 1;
}
if (buspin > 4) {
printf("api_up1000_intr_map: bad interrupt pin %d\n",
buspin);
return 1;
}
alpha_pci_decompose_tag(pc, bustag, &bus, &device, &function);
/*
* The console places the interrupt mapping in the "line" value.
* A value of (char)-1 indicates there is no mapping.
*/
if (line == 0xff) {
printf("api_up1000_intr_map: no mapping for %d/%d/%d\n",
bus, device, function);
return (1);
}
/* XXX Check for 0? */
if (line > 15) {
printf("api_up1000_intr_map: ISA IRQ too large (%d)\n",
line);
return (1);
}
if (line == 2) {
printf("api_up1000_intr_map: changed IRQ 2 to IRQ 9\n");
line = 9;
}
*ihp = line;
return (0);
}
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);
}
#if 0
const struct evcnt *
api_up1000_intr_evcnt(void *icv, pci_intr_handle_t ih)
{
#if 0
struct irongate_config *icp = icv;
#endif
return sio_intr_evcnt(NULL /*XXX*/, ih);
}
#endif
void *
api_up1000_intr_establish(void *icv, pci_intr_handle_t ih, int level,
int (*func)(void *), void *arg, 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;
alpha_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, "up 1000 irq");
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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