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/*-
* Copyright (c) 2001 Brian Somers <brian@Awfulhak.org>
* based on work by Slawa Olhovchenkov
* John Prince <johnp@knight-trosoft.com>
* Eric Hernes
* 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.
*
* 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.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/tty.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/resource.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <pci/pcivar.h>
#include <sys/digiio.h>
#include <dev/digi/digireg.h>
#include <dev/digi/digi.h>
#include <dev/digi/digi_pci.h>
static u_char *
digi_pci_setwin(struct digi_softc *sc, unsigned int addr)
{
return (sc->vmem + addr);
}
static void
digi_pci_hidewin(struct digi_softc *sc)
{
return;
}
static void
digi_pci_towin(struct digi_softc *sc, int win)
{
return;
}
static int
digi_pci_probe(device_t dev)
{
unsigned int device_id = pci_get_devid(dev);
if (device_get_unit(dev) >= 16) {
/* Don't overflow our control mask */
device_printf(dev, "At most 16 digiboards may be used\n");
return (ENXIO);
}
if ((device_id & 0xffff) != PCI_VENDOR_DIGI)
return (ENXIO);
switch (device_id >> 16) {
case PCI_DEVICE_EPC:
case PCI_DEVICE_XEM:
case PCI_DEVICE_XR:
case PCI_DEVICE_CX:
case PCI_DEVICE_XRJ:
case PCI_DEVICE_EPCJ:
case PCI_DEVICE_920_4:
case PCI_DEVICE_920_8:
case PCI_DEVICE_920_2:
return (0);
}
return (ENXIO);
}
static int
digi_pci_attach(device_t dev)
{
struct digi_softc *sc;
u_int32_t device_id;
#ifdef DIGI_INTERRUPT
int retVal = 0;
#endif
sc = device_get_softc(dev);
KASSERT(sc, ("digi%d: softc not allocated in digi_pci_attach\n",
device_get_unit(dev)));
bzero(sc, sizeof(*sc));
sc->dev = dev;
sc->res.unit = device_get_unit(dev);
device_id = pci_get_devid(dev);
switch (device_id >> 16) {
case PCI_DEVICE_EPC:
sc->name = "Digiboard PCI EPC/X ASIC";
sc->res.mrid = 0x10;
sc->model = PCIEPCX;
sc->module = "EPCX_PCI";
break;
case PCI_DEVICE_XEM:
sc->name = "Digiboard PCI PC/Xem ASIC";
sc->res.mrid = 0x10;
sc->model = PCXEM;
sc->module = "Xem";
break;
case PCI_DEVICE_XR:
sc->name = "Digiboard PCI PC/Xr ASIC";
sc->res.mrid = 0x10;
sc->model = PCIXR;
sc->module = "Xr";
break;
case PCI_DEVICE_CX:
sc->name = "Digiboard PCI C/X ASIC";
sc->res.mrid = 0x10;
sc->model = PCCX;
sc->module = "CX_PCI";
break;
case PCI_DEVICE_XRJ:
sc->name = "Digiboard PCI PC/Xr PLX";
sc->res.mrid = 0x18;
sc->model = PCIXR;
sc->module = "Xr";
break;
case PCI_DEVICE_EPCJ:
sc->name = "Digiboard PCI EPC/X PLX";
sc->res.mrid = 0x18;
sc->model = PCIEPCX;
sc->module = "EPCX_PCI";
break;
case PCI_DEVICE_920_4: /* Digi PCI4r 920 */
sc->name = "Digiboard PCI4r 920";
sc->res.mrid = 0x10;
sc->model = PCIXR;
sc->module = "Xr";
break;
case PCI_DEVICE_920_8: /* Digi PCI8r 920 */
sc->name = "Digiboard PCI8r 920";
sc->res.mrid = 0x10;
sc->model = PCIXR;
sc->module = "Xr";
break;
case PCI_DEVICE_920_2: /* Digi PCI2r 920 */
sc->name = "Digiboard PCI2r 920";
sc->res.mrid = 0x10;
sc->model = PCIXR;
sc->module = "Xr";
break;
default:
device_printf(dev, "Unknown device id = %08x\n", device_id);
return (ENXIO);
}
pci_write_config(dev, 0x40, 0, 4);
pci_write_config(dev, 0x46, 0, 4);
sc->res.mem = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->res.mrid,
0, ~0, 1, RF_ACTIVE);
#ifdef DIGI_INTERRUPT
sc->res.irqrid = 0;
sc->res.irq = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->res.irqrid,
0, ~0, 1, RF_SHAREABLE | RF_ACTIVE);
if (sc->res.irq == NULL) {
device_printf(dev, "couldn't map interrupt\n");
return (ENXIO);
}
retVal = bus_setup_intr(dev, sc->res.irq, INTR_TYPE_TTY,
digiintr, sc, &sc->res.irqHandler);
#else
DLOG(DIGIDB_IRQ, (sc->dev, "Interrupt support compiled out\n"));
#endif
sc->vmem = rman_get_virtual(sc->res.mem);
sc->pmem = vtophys(sc->vmem);
sc->pcibus = 1;
sc->win_size = 0x200000;
sc->win_bits = 21;
sc->csigs = &digi_normal_signals;
sc->status = DIGI_STATUS_NOTINIT;
callout_handle_init(&sc->callout);
callout_handle_init(&sc->inttest);
sc->setwin = digi_pci_setwin;
sc->hidewin = digi_pci_hidewin;
sc->towin = digi_pci_towin;
PCIPORT = FEPRST;
return (digi_attach(sc));
}
static device_method_t digi_pci_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, digi_pci_probe),
DEVMETHOD(device_attach, digi_pci_attach),
DEVMETHOD(device_detach, digi_detach),
DEVMETHOD(device_shutdown, digi_shutdown),
{0, 0}
};
static driver_t digi_pci_drv = {
"digi",
digi_pci_methods,
sizeof(struct digi_softc),
};
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