1 files changed, 141 insertions, 0 deletions
diff --git a/sys/dev/si/si_pci.c b/sys/dev/si/si_pci.c
new file mode 100644
index 0000000..96a865c
--- /dev/null
+++ b/sys/dev/si/si_pci.c
@@ -0,0 +1,141 @@
+/*
+ * Device driver for Specialix range (SI/XIO) of serial line multiplexors.
+ *
+ * Copyright (C) 2000, Peter Wemm <peter@netplex.com.au>
+ *
+ * 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
+ *    notices, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notices, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ``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 AUTHORS BE LIABLE.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/bus.h>
+#include <machine/bus.h>
+#include <sys/rman.h>
+#include <machine/resource.h>
+
+#include <dev/si/sireg.h>
+#include <dev/si/sivar.h>
+
+#include <pci/pcivar.h>
+
+static int
+si_pci_probe(device_t dev)
+{
+	const char *desc = NULL;
+
+	switch (pci_get_devid(dev)) {
+	case 0x400011cb:
+		desc = "Specialix SI/XIO PCI host card";
+		break;
+	case 0x200011cb:
+		if (pci_read_config(dev, SIJETSSIDREG, 4) == 0x020011cb)
+			desc = "Specialix SX PCI host card";
+		break;
+	}
+	if (desc) {
+		device_set_desc(dev, desc);
+		return 0;
+	}
+	return ENXIO;
+}
+
+static int
+si_pci_attach(device_t dev)
+{
+	struct si_softc *sc;
+	void *ih;
+	int error;
+
+	error = 0;
+	ih = NULL;
+	sc = device_get_softc(dev);
+
+	switch (pci_get_devid(dev)) {
+	case 0x400011cb:
+		sc->sc_type = SIPCI;
+		sc->sc_mem_rid = SIPCIBADR;
+		break;
+	case 0x200011cb:
+		sc->sc_type = SIJETPCI;
+		sc->sc_mem_rid = SIJETBADR;
+		break;
+	}
+
+	sc->sc_mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY,
+					    &sc->sc_mem_rid,
+					    0, ~0, 1, RF_ACTIVE);
+	if (!sc->sc_mem_res) {
+		device_printf(dev, "couldn't map memory\n");
+		goto fail;
+	}
+	sc->sc_paddr = (caddr_t)rman_get_start(sc->sc_mem_res);
+	sc->sc_maddr = rman_get_virtual(sc->sc_mem_res);
+
+	sc->sc_irq_rid = 0;
+	sc->sc_irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->sc_irq_rid,
+					    0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
+	if (!sc->sc_irq_res) {
+		device_printf(dev, "couldn't map interrupt\n");
+		goto fail;
+	}
+	sc->sc_irq = rman_get_start(sc->sc_irq_res);
+	error = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_TTY,
+			       si_intr, sc, &ih);
+	if (error) {
+		device_printf(dev, "could not activate interrupt\n");
+		goto fail;
+	}
+
+	error = siattach(dev);
+	if (error)
+		goto fail;
+	return (0);		/* success */
+
+fail:
+	if (error == 0)
+		error = ENXIO;
+	if (sc->sc_irq_res) {
+		if (ih)
+			bus_teardown_intr(dev, sc->sc_irq_res, ih);
+		bus_release_resource(dev, SYS_RES_IRQ,
+				     sc->sc_irq_rid, sc->sc_irq_res);
+		sc->sc_irq_res = 0;
+	}
+	if (sc->sc_mem_res) {
+		bus_release_resource(dev, SYS_RES_MEMORY,
+				     sc->sc_mem_rid, sc->sc_mem_res);
+		sc->sc_mem_res = 0;
+	}
+	return (error);
+}
+
+static device_method_t si_pci_methods[] = {
+	/* Device interface */
+	DEVMETHOD(device_probe,		si_pci_probe),
+	DEVMETHOD(device_attach,	si_pci_attach),
+
+	{ 0, 0 }
+};
+
+static driver_t si_pci_driver = {
+	"si",
+	si_pci_methods,
+	sizeof(struct si_softc),
+};
+
+DRIVER_MODULE(si, pci, si_pci_driver, si_devclass, 0, 0);