2 * Device driver for Specialix range (SI/XIO) of serial line multiplexors.
4 * Copyright (C) 2000, Peter Wemm <peter@netplex.com.au>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notices, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notices, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED
16 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
17 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
18 * NO EVENT SHALL THE AUTHORS BE LIABLE.
20 * $FreeBSD: src/sys/dev/si/si_pci.c,v 1.2 2000/01/24 08:11:10 peter Exp $
23 #include <sys/param.h>
24 #include <sys/systm.h>
25 #include <sys/kernel.h>
32 #include <bus/pci/pcivar.h>
35 si_pci_probe(device_t dev)
37 const char *desc = NULL;
39 switch (pci_get_devid(dev)) {
41 desc = "Specialix SI/XIO PCI host card";
44 if (pci_read_config(dev, SIJETSSIDREG, 4) == 0x020011cb)
45 desc = "Specialix SX PCI host card";
49 device_set_desc(dev, desc);
56 si_pci_attach(device_t dev)
64 sc = device_get_softc(dev);
66 switch (pci_get_devid(dev)) {
69 sc->sc_mem_rid = SIPCIBADR;
72 sc->sc_type = SIJETPCI;
73 sc->sc_mem_rid = SIJETBADR;
77 sc->sc_mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY,
80 if (!sc->sc_mem_res) {
81 device_printf(dev, "couldn't map memory\n");
84 sc->sc_paddr = (caddr_t)rman_get_start(sc->sc_mem_res);
85 sc->sc_maddr = rman_get_virtual(sc->sc_mem_res);
88 sc->sc_irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->sc_irq_rid,
89 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
90 if (!sc->sc_irq_res) {
91 device_printf(dev, "couldn't map interrupt\n");
94 sc->sc_irq = rman_get_start(sc->sc_irq_res);
95 error = bus_setup_intr(dev, sc->sc_irq_res, INTR_MPSAFE, si_intr, sc, &ih, NULL);
97 device_printf(dev, "could not activate interrupt\n");
101 error = siattach(dev);
104 return (0); /* success */
109 if (sc->sc_irq_res) {
111 bus_teardown_intr(dev, sc->sc_irq_res, ih);
112 bus_release_resource(dev, SYS_RES_IRQ,
113 sc->sc_irq_rid, sc->sc_irq_res);
116 if (sc->sc_mem_res) {
117 bus_release_resource(dev, SYS_RES_MEMORY,
118 sc->sc_mem_rid, sc->sc_mem_res);
124 static device_method_t si_pci_methods[] = {
125 /* Device interface */
126 DEVMETHOD(device_probe, si_pci_probe),
127 DEVMETHOD(device_attach, si_pci_attach),
132 static driver_t si_pci_driver = {
135 sizeof(struct si_softc),
138 DRIVER_MODULE(si, pci, si_pci_driver, si_devclass, NULL, NULL);