diff options
Diffstat (limited to 'sys/dev/digi/digi_pci.c')
| -rw-r--r-- | sys/dev/digi/digi_pci.c | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/sys/dev/digi/digi_pci.c b/sys/dev/digi/digi_pci.c new file mode 100644 index 0000000..14d0360 --- /dev/null +++ b/sys/dev/digi/digi_pci.c @@ -0,0 +1,228 @@ +/*- + * 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), +}; +DRIVER_MODULE(digi, pci, digi_pci_drv, digi_devclass, 0, 0); |
