FreeBSD-5.3/sys/dev/pdq/if_fea.c
/*-
* Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com>
* 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. 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.
*
* $FreeBSD: src/sys/dev/pdq/if_fea.c,v 1.27 2004/03/17 17:50:39 njl Exp $
*/
/*
* DEC PDQ FDDI Controller
*
* This module support the DEFEA EISA FDDI Controller.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/if_media.h>
#include <net/fddi.h>
#include <dev/eisa/eisaconf.h>
#include <dev/pdq/pdq_freebsd.h>
#include <dev/pdq/pdqreg.h>
static void pdq_eisa_subprobe (pdq_bus_t, u_int32_t, u_int32_t *, u_int32_t *, u_int32_t *);
static void pdq_eisa_devinit (pdq_softc_t *);
static const char * pdq_eisa_match (eisa_id_t);
static int pdq_eisa_probe (device_t);
static int pdq_eisa_attach (device_t);
static int pdq_eisa_detach (device_t);
static int pdq_eisa_shutdown (device_t);
static void pdq_eisa_ifintr (void *);
#define DEFEA_IRQS 0x0000FBA9U
#define DEFEA_INTRENABLE 0x8 /* level interrupt */
#define DEFEA_DECODE_IRQ(n) ((DEFEA_IRQS >> ((n) << 2)) & 0x0f)
#define EISA_DEVICE_ID_DEC_DEC3001 0x10a33001
#define EISA_DEVICE_ID_DEC_DEC3002 0x10a33002
#define EISA_DEVICE_ID_DEC_DEC3003 0x10a33003
#define EISA_DEVICE_ID_DEC_DEC3004 0x10a33004
static void
pdq_eisa_subprobe(bc, iobase, maddr, msize, irq)
pdq_bus_t bc;
u_int32_t iobase;
u_int32_t *maddr;
u_int32_t *msize;
u_int32_t *irq;
{
if (irq != NULL)
*irq = DEFEA_DECODE_IRQ(PDQ_OS_IORD_8(bc, iobase, PDQ_EISA_IO_CONFIG_STAT_0) & 3);
*maddr = (PDQ_OS_IORD_8(bc, iobase, PDQ_EISA_MEM_ADD_CMP_0) << 8)
| (PDQ_OS_IORD_8(bc, iobase, PDQ_EISA_MEM_ADD_CMP_1) << 16);
*msize = (PDQ_OS_IORD_8(bc, iobase, PDQ_EISA_MEM_ADD_MASK_0) + 4) << 8;
return;
}
static void
pdq_eisa_devinit (sc)
pdq_softc_t *sc;
{
pdq_uint8_t data;
/*
* Do the standard initialization for the DEFEA registers.
*/
PDQ_OS_IOWR_8(sc->io_bst, sc->io_bsh, PDQ_EISA_FUNCTION_CTRL, 0x23);
PDQ_OS_IOWR_8(sc->io_bst, sc->io_bsh, PDQ_EISA_IO_CMP_1_1, (sc->io_bsh >> 8) & 0xF0);
PDQ_OS_IOWR_8(sc->io_bst, sc->io_bsh, PDQ_EISA_IO_CMP_0_1, (sc->io_bsh >> 8) & 0xF0);
PDQ_OS_IOWR_8(sc->io_bst, sc->io_bsh, PDQ_EISA_SLOT_CTRL, 0x01);
data = PDQ_OS_IORD_8(sc->io_bst, sc->io_bsh, PDQ_EISA_BURST_HOLDOFF);
#if defined(PDQ_IOMAPPED)
PDQ_OS_IOWR_8(sc->io_bst, sc->io_bsh, PDQ_EISA_BURST_HOLDOFF, data & ~1);
#else
PDQ_OS_IOWR_8(sc->io_bst, sc->io_bsh, PDQ_EISA_BURST_HOLDOFF, data | 1);
#endif
data = PDQ_OS_IORD_8(sc->io_bst, sc->io_bsh, PDQ_EISA_IO_CONFIG_STAT_0);
PDQ_OS_IOWR_8(sc->io_bst, sc->io_bsh, PDQ_EISA_IO_CONFIG_STAT_0, data | DEFEA_INTRENABLE);
return;
}
static const char *
pdq_eisa_match (type)
eisa_id_t type;
{
switch (type) {
case EISA_DEVICE_ID_DEC_DEC3001:
case EISA_DEVICE_ID_DEC_DEC3002:
case EISA_DEVICE_ID_DEC_DEC3003:
case EISA_DEVICE_ID_DEC_DEC3004:
return ("DEC FDDIcontroller/EISA Adapter");
break;
default:
break;
}
return (NULL);
}
static int
pdq_eisa_probe (dev)
device_t dev;
{
const char *desc;
u_int32_t iobase;
u_int32_t irq;
u_int32_t maddr;
u_int32_t msize;
u_int32_t eisa_id = eisa_get_id(dev);;
desc = pdq_eisa_match(eisa_id);
if (!desc) {
return (ENXIO);
}
device_set_desc(dev, desc);
iobase = eisa_get_slot(dev) * EISA_SLOT_SIZE;
pdq_eisa_subprobe((pdq_bus_t)SYS_RES_IOPORT, iobase, &maddr, &msize, &irq);
eisa_add_iospace(dev, iobase, 0x200, RESVADDR_NONE);
eisa_add_mspace(dev, maddr, msize, RESVADDR_NONE);
eisa_add_intr(dev, irq, EISA_TRIGGER_LEVEL);
return (0);
}
static void
pdq_eisa_ifintr(arg)
void * arg;
{
device_t dev;
pdq_softc_t * sc;
dev = (device_t)arg;
sc = device_get_softc(dev);
PDQ_LOCK(sc);
(void) pdq_interrupt(sc->sc_pdq);
PDQ_LOCK(sc);
return;
}
static int
pdq_eisa_attach (dev)
device_t dev;
{
pdq_softc_t * sc;
struct ifnet * ifp;
int error;
sc = device_get_softc(dev);
ifp = &sc->arpcom.ac_if;
sc->dev = dev;
sc->io_rid = 0;
sc->io_type = SYS_RES_IOPORT;
sc->io = bus_alloc_resource_any(dev, sc->io_type, &sc->io_rid,
RF_ACTIVE);
if (!sc->io) {
device_printf(dev, "Unable to allocate I/O space resource.\n");
error = ENXIO;
goto bad;
}
sc->io_bsh = rman_get_bushandle(sc->io);
sc->io_bst = rman_get_bustag(sc->io);
sc->mem_rid = 0;
sc->mem_type = SYS_RES_MEMORY;
sc->mem = bus_alloc_resource_any(dev, sc->mem_type, &sc->mem_rid,
RF_ACTIVE);
if (!sc->mem) {
device_printf(dev, "Unable to allocate memory resource.\n");
error = ENXIO;
goto bad;
}
sc->mem_bsh = rman_get_bushandle(sc->mem);
sc->mem_bst = rman_get_bustag(sc->mem);
sc->irq_rid = 0;
sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid,
RF_SHAREABLE | RF_ACTIVE);
if (!sc->irq) {
device_printf(dev, "Unable to allocate interrupt resource.\n");
error = ENXIO;
goto bad;
}
if_initname(ifp, device_get_name(dev), device_get_unit(dev));
pdq_eisa_devinit(sc);
sc->sc_pdq = pdq_initialize(sc->mem_bst, sc->mem_bsh,
ifp->if_xname, -1,
(void *)sc, PDQ_DEFEA);
if (sc->sc_pdq == NULL) {
device_printf(dev, "Initialization failed.\n");
error = ENXIO;
goto bad;
}
error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
pdq_eisa_ifintr, dev, &sc->irq_ih);
if (error) {
device_printf(dev, "Failed to setup interrupt handler.\n");
error = ENXIO;
goto bad;
}
bcopy((caddr_t) sc->sc_pdq->pdq_hwaddr.lanaddr_bytes,
(caddr_t) sc->arpcom.ac_enaddr, FDDI_ADDR_LEN);
pdq_ifattach(sc);
return (0);
bad:
pdq_free(dev);
return (error);
}
static int
pdq_eisa_detach (dev)
device_t dev;
{
pdq_softc_t * sc;
sc = device_get_softc(dev);
pdq_ifdetach(sc);
return (0);
}
static int
pdq_eisa_shutdown(dev)
device_t dev;
{
pdq_softc_t * sc;
sc = device_get_softc(dev);
pdq_hwreset(sc->sc_pdq);
return (0);
}
static device_method_t pdq_eisa_methods[] = {
DEVMETHOD(device_probe, pdq_eisa_probe),
DEVMETHOD(device_attach, pdq_eisa_attach),
DEVMETHOD(device_attach, pdq_eisa_detach),
DEVMETHOD(device_shutdown, pdq_eisa_shutdown),
{ 0, 0 }
};
static driver_t pdq_eisa_driver = {
"fea",
pdq_eisa_methods,
sizeof(pdq_softc_t),
};
DRIVER_MODULE(fea, eisa, pdq_eisa_driver, pdq_devclass, 0, 0);
/* MODULE_DEPEND(fea, eisa, 1, 1, 1); */
MODULE_DEPEND(fea, fddi, 1, 1, 1);