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_eisa.c,v 1.1 2000/01/24 07:24:01 peter Exp $
23 #include <sys/param.h>
24 #include <sys/systm.h>
26 #include <sys/kernel.h>
28 #include <machine/bus.h>
30 #include <machine/resource.h>
32 #include <dev/si/sireg.h>
33 #include <dev/si/sivar.h>
35 #include <dev/eisa/eisaconf.h>
38 si_eisa_probe(device_t dev)
44 if (eisa_get_id(dev) != SIEISADEVID)
47 device_set_desc(dev, "Specialix SI/XIO EISA host card");
49 iobase = (eisa_get_slot(dev) * EISA_SLOT_SIZE) + SIEISABASE;
50 eisa_add_iospace(dev, iobase, SIEISAIOSIZE, RESVADDR_NONE);
52 maddr = (inb(iobase+1) << 24) | (inb(iobase) << 16);
53 eisa_add_mspace(dev, maddr, SIEISA_MEMSIZE, RESVADDR_NONE);
55 irq = ((inb(iobase+2) >> 4) & 0xf);
56 eisa_add_intr(dev, irq, EISA_TRIGGER_LEVEL); /* XXX shared? */
62 si_eisa_attach(device_t dev)
70 sc = device_get_softc(dev);
75 sc->sc_port_res = bus_alloc_resource(dev, SYS_RES_IOPORT,
78 if (!sc->sc_port_res) {
79 device_printf(dev, "couldn't allocate ioports\n");
82 sc->sc_iobase = rman_get_start(sc->sc_port_res);
85 sc->sc_mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY,
88 if (!sc->sc_mem_res) {
89 device_printf(dev, "couldn't allocate iomemory");
92 sc->sc_paddr = (caddr_t)rman_get_start(sc->sc_mem_res);
93 sc->sc_maddr = rman_get_virtual(sc->sc_mem_res);
96 sc->sc_irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->sc_irq_rid,
97 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
98 if (!sc->sc_irq_res) {
99 device_printf(dev, "couldn't allocate interrupt");
102 sc->sc_irq = rman_get_start(sc->sc_irq_res);
103 error = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_TTY,
106 device_printf(dev, "couldn't activate interrupt");
110 error = siattach(dev);
113 return (0); /* success */
118 if (sc->sc_irq_res) {
120 bus_teardown_intr(dev, sc->sc_irq_res, ih);
121 bus_release_resource(dev, SYS_RES_IRQ,
122 sc->sc_irq_rid, sc->sc_irq_res);
125 if (sc->sc_mem_res) {
126 bus_release_resource(dev, SYS_RES_MEMORY,
127 sc->sc_mem_rid, sc->sc_mem_res);
130 if (sc->sc_port_res) {
131 bus_release_resource(dev, SYS_RES_IOPORT,
132 sc->sc_port_rid, sc->sc_port_res);
138 static device_method_t si_eisa_methods[] = {
139 /* Device interface */
140 DEVMETHOD(device_probe, si_eisa_probe),
141 DEVMETHOD(device_attach, si_eisa_attach),
146 static driver_t si_eisa_driver = {
149 sizeof(struct si_softc),
152 DRIVER_MODULE(si, eisa, si_eisa_driver, si_devclass, 0, 0);