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/* $FreeBSD$ */
/* $NetBSD: kftxx.c,v 1.9 1998/05/14 00:01:32 thorpej Exp $ */
/*
* Copyright (c) 1997, 2000 by Matthew Jacob
* NASA AMES Research Center.
* 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 immediately at the beginning of the file, without modification,
* 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 AUTHOR 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 AUTHOR 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.
*/
/*
* KFTIA and KFTHA Bus Adapter Node for I/O hoses
* found on AlphaServer 8200 and 8400 systems.
*
* i.e., handler for all TLSB I/O nodes.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <machine/rpb.h>
#include <alpha/tlsb/tlsbreg.h>
#include <alpha/tlsb/tlsbvar.h>
#include <alpha/tlsb/kftxxreg.h>
#include <alpha/tlsb/kftxxvar.h>
struct kft_softc {
int sc_node; /* TLSB node */
u_int16_t sc_dtype; /* device type */
};
/*
* Instance variables for kft devices.
*/
struct kft_device {
char * kd_name; /* name */
int kd_node; /* node number */
u_int16_t kd_dtype; /* device type */
u_int16_t kd_hosenum; /* hose number */
};
#define KV(_addr) ((caddr_t)ALPHA_PHYS_TO_K0SEG((_addr)))
static devclass_t kft_devclass;
/*
* Device methods
*/
static int kft_probe(device_t);
static int kft_print_child(device_t, device_t);
static int kft_read_ivar(device_t, device_t, int, u_long *);
static device_method_t kft_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, kft_probe),
DEVMETHOD(device_attach, bus_generic_attach),
DEVMETHOD(device_detach, bus_generic_detach),
DEVMETHOD(device_shutdown, bus_generic_shutdown),
/* Bus interface */
DEVMETHOD(bus_print_child, kft_print_child),
DEVMETHOD(bus_read_ivar, kft_read_ivar),
DEVMETHOD(bus_write_ivar, bus_generic_write_ivar),
DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
{ 0, 0 }
};
static driver_t kft_driver = {
"kft",
kft_methods,
1, /* no softc */
};
static int
kft_probe(device_t dev)
{
static int dun;
device_t cd;
struct kft_softc *sc = (struct kft_softc *) device_get_softc(dev);
struct kft_device *kd;
int hose;
if (!TLDEV_ISIOPORT(tlsb_get_dtype(dev)))
return ENXIO;
sc->sc_node = tlsb_get_node(dev);
sc->sc_dtype = tlsb_get_dtype(dev);
for (hose = 0; hose < MAXHOSE; hose++) {
u_int32_t value =
TLSB_GET_NODEREG(sc->sc_node, KFT_IDPNSEX(hose));
if (value & 0x0E000000) {
printf("%s: Hose %d IDPNSE has %x\n",
device_get_nameunit(dev),
hose, value);
continue;
}
if ((value & 0x1) != 0x0) {
printf("%s: Hose %d has a Bad Cable (0x%x)\n",
device_get_nameunit(dev),
hose, value);
continue;
}
if ((value & 0x6) != 0x6) {
if (value)
printf("%s: Hose %d is missing PWROK (0x%x)\n",
device_get_nameunit(dev),
hose, value);
continue;
}
kd = (struct kft_device *)
malloc(sizeof(struct kft_device), M_DEVBUF, M_NOWAIT);
if (kd == NULL)
continue;
kd->kd_name = "pcib";
kd->kd_node = sc->sc_node;
kd->kd_dtype = sc->sc_dtype;
kd->kd_hosenum = hose;
cd = device_add_child_ordered(dev, hose, kd->kd_name, dun++);
device_set_ivars(cd, kd);
}
return 0;
}
static int
kft_print_child(device_t bus, device_t dev)
{
struct kft_device *kd = (struct kft_device*) device_get_ivars(dev);
int retval = 0;
retval += bus_print_child_header(bus, dev);
retval += printf(" on %s hose %d\n", device_get_nameunit(bus),
kd->kd_hosenum);
return (retval);
}
static int
kft_read_ivar(device_t bus, device_t dev,
int index, u_long* result)
{
struct kft_device *kd = (struct kft_device*) device_get_ivars(dev);
switch (index) {
case KFT_IVAR_NAME:
*result = (u_long) kd->kd_name;
return 0;
case KFT_IVAR_NODE:
*result = (u_long) kd->kd_node;
return 0;
case KFT_IVAR_DTYPE:
*result = (u_long) kd->kd_dtype;
return 0;
case KFT_IVAR_HOSENUM:
*result = (u_long) kd->kd_hosenum;
return 0;
default:
return ENOENT;
}
}
DRIVER_MODULE(kft, tlsb, kft_driver, kft_devclass, 0, 0);
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