c63dab466c
Also some minor style cleanups.
230 lines
5.9 KiB
C
230 lines
5.9 KiB
C
/*-
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* Copyright (c) 2001 Brian Somers <brian@Awfulhak.org>
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* based on work by Slawa Olhovchenkov
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* John Prince <johnp@knight-trosoft.com>
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* Eric Hernes
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/tty.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#include <machine/resource.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <dev/pci/pcivar.h>
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#include <sys/digiio.h>
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#include <dev/digi/digireg.h>
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#include <dev/digi/digi.h>
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#include <dev/digi/digi_pci.h>
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static u_char *
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digi_pci_setwin(struct digi_softc *sc, unsigned int addr)
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{
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return (sc->vmem + addr);
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}
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static void
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digi_pci_hidewin(struct digi_softc *sc)
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{
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return;
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}
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static void
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digi_pci_towin(struct digi_softc *sc, int win)
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{
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return;
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}
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static int
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digi_pci_probe(device_t dev)
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{
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unsigned int device_id = pci_get_devid(dev);
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if (device_get_unit(dev) >= 16) {
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/* Don't overflow our control mask */
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device_printf(dev, "At most 16 digiboards may be used\n");
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return (ENXIO);
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}
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if ((device_id & 0xffff) != PCI_VENDOR_DIGI)
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return (ENXIO);
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switch (device_id >> 16) {
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case PCI_DEVICE_EPC:
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case PCI_DEVICE_XEM:
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case PCI_DEVICE_XR:
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case PCI_DEVICE_CX:
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case PCI_DEVICE_XRJ:
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case PCI_DEVICE_EPCJ:
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case PCI_DEVICE_920_4:
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case PCI_DEVICE_920_8:
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case PCI_DEVICE_920_2:
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return (0);
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}
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return (ENXIO);
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}
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static int
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digi_pci_attach(device_t dev)
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{
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struct digi_softc *sc;
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u_int32_t device_id;
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#ifdef DIGI_INTERRUPT
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int retVal = 0;
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#endif
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sc = device_get_softc(dev);
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KASSERT(sc, ("digi%d: softc not allocated in digi_pci_attach\n",
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device_get_unit(dev)));
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bzero(sc, sizeof(*sc));
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sc->dev = dev;
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sc->res.unit = device_get_unit(dev);
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device_id = pci_get_devid(dev);
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switch (device_id >> 16) {
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case PCI_DEVICE_EPC:
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sc->name = "Digiboard PCI EPC/X ASIC";
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sc->res.mrid = 0x10;
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sc->model = PCIEPCX;
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sc->module = "EPCX_PCI";
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break;
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case PCI_DEVICE_XEM:
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sc->name = "Digiboard PCI PC/Xem ASIC";
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sc->res.mrid = 0x10;
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sc->model = PCXEM;
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sc->module = "Xem";
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break;
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case PCI_DEVICE_XR:
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sc->name = "Digiboard PCI PC/Xr ASIC";
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sc->res.mrid = 0x10;
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sc->model = PCIXR;
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sc->module = "Xr";
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break;
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case PCI_DEVICE_CX:
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sc->name = "Digiboard PCI C/X ASIC";
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sc->res.mrid = 0x10;
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sc->model = PCCX;
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sc->module = "CX_PCI";
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break;
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case PCI_DEVICE_XRJ:
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sc->name = "Digiboard PCI PC/Xr PLX";
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sc->res.mrid = 0x18;
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sc->model = PCIXR;
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sc->module = "Xr";
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break;
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case PCI_DEVICE_EPCJ:
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sc->name = "Digiboard PCI EPC/X PLX";
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sc->res.mrid = 0x18;
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sc->model = PCIEPCX;
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sc->module = "EPCX_PCI";
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break;
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case PCI_DEVICE_920_4: /* Digi PCI4r 920 */
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sc->name = "Digiboard PCI4r 920";
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sc->res.mrid = 0x10;
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sc->model = PCIXR;
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sc->module = "Xr";
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break;
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case PCI_DEVICE_920_8: /* Digi PCI8r 920 */
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sc->name = "Digiboard PCI8r 920";
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sc->res.mrid = 0x10;
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sc->model = PCIXR;
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sc->module = "Xr";
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break;
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case PCI_DEVICE_920_2: /* Digi PCI2r 920 */
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sc->name = "Digiboard PCI2r 920";
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sc->res.mrid = 0x10;
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sc->model = PCIXR;
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sc->module = "Xr";
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break;
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default:
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device_printf(dev, "Unknown device id = %08x\n", device_id);
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return (ENXIO);
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}
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pci_write_config(dev, 0x40, 0, 4);
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pci_write_config(dev, 0x46, 0, 4);
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sc->res.mem = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->res.mrid,
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0, ~0, 1, RF_ACTIVE);
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#ifdef DIGI_INTERRUPT
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sc->res.irqrid = 0;
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sc->res.irq = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->res.irqrid,
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0, ~0, 1, RF_SHAREABLE | RF_ACTIVE);
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if (sc->res.irq == NULL) {
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device_printf(dev, "couldn't map interrupt\n");
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return (ENXIO);
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}
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retVal = bus_setup_intr(dev, sc->res.irq, INTR_TYPE_TTY,
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digiintr, sc, &sc->res.irqHandler);
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#else
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DLOG(DIGIDB_IRQ, (sc->dev, "Interrupt support compiled out\n"));
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#endif
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sc->vmem = rman_get_virtual(sc->res.mem);
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sc->pmem = vtophys(sc->vmem);
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sc->pcibus = 1;
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sc->win_size = 0x200000;
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sc->win_bits = 21;
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sc->csigs = &digi_normal_signals;
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sc->status = DIGI_STATUS_NOTINIT;
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callout_handle_init(&sc->callout);
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callout_handle_init(&sc->inttest);
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sc->setwin = digi_pci_setwin;
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sc->hidewin = digi_pci_hidewin;
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sc->towin = digi_pci_towin;
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PCIPORT = FEPRST;
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return (digi_attach(sc));
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}
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static device_method_t digi_pci_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, digi_pci_probe),
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DEVMETHOD(device_attach, digi_pci_attach),
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DEVMETHOD(device_detach, digi_detach),
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DEVMETHOD(device_shutdown, digi_shutdown),
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{0, 0}
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};
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static driver_t digi_pci_drv = {
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"digi",
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digi_pci_methods,
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sizeof(struct digi_softc),
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};
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DRIVER_MODULE(digi, pci, digi_pci_drv, digi_devclass, 0, 0);
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