1 /* $FreeBSD: src/sys/dev/stg/tmc18c30_isa.c,v 1.2.2.4 2001/09/04 04:45:23 non Exp $ */
2 /* $NecBSD: tmc18c30_pisa.c,v 1.22 1998/11/26 01:59:21 honda Exp $ */
8 * Noriaki Mitsunaga, Mitsuru Iwasaki and Takanori Watanabe.
10 * [NetBSD for NEC PC-98 series]
11 * Copyright (c) 1996, 1997, 1998
12 * NetBSD/pc98 porting staff. All rights reserved.
13 * Copyright (c) 1996, 1997, 1998
14 * Naofumi HONDA. All rights reserved.
15 * Copyright (c) 1996, 1997, 1998
16 * Kouichi Matsuda. All rights reserved.
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions
21 * 1. Redistributions of source code must retain the above copyright
22 * notice, this list of conditions and the following disclaimer.
23 * 2. Redistributions in binary form must reproduce the above copyright
24 * notice, this list of conditions and the following disclaimer in the
25 * documentation and/or other materials provided with the distribution.
26 * 3. The name of the author may not be used to endorse or promote products
27 * derived from this software without specific prior written permission.
29 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
30 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
31 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
32 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
33 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
34 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
37 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
38 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
39 * POSSIBILITY OF SUCH DAMAGE.
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/kernel.h>
45 #include <sys/module.h>
48 #include <sys/queue.h>
49 #include <sys/malloc.h>
50 #include <sys/errno.h>
52 #include <sys/device_port.h>
53 #include <sys/thread2.h>
57 #include <bus/isa/isavar.h>
59 #include <bus/cam/scsi/scsi_low.h>
60 #include <bus/isa/isa_common.h>
61 #include <bus/cam/scsi/scsi_low_pisa.h>
63 #include "tmc18c30reg.h"
64 #include "tmc18c30var.h"
68 #include <sys/kernel.h>
69 #include <sys/module.h>
71 static int stgprobe(device_t devi);
72 static int stgattach(device_t devi);
74 static void stg_isa_unload (device_t);
77 stg_isa_intr(void * arg)
83 stg_release_resource(device_t dev)
85 struct stg_softc *sc = device_get_softc(dev);
87 if (sc->stg_intrhand) {
88 bus_teardown_intr(dev, sc->irq_res, sc->stg_intrhand);
92 bus_release_resource(dev, SYS_RES_IOPORT,
93 sc->port_rid, sc->port_res);
97 bus_release_resource(dev, SYS_RES_IRQ,
98 sc->irq_rid, sc->irq_res);
102 bus_release_resource(dev, SYS_RES_MEMORY,
103 sc->mem_rid, sc->mem_res);
108 stg_alloc_resource(device_t dev)
110 struct stg_softc *sc = device_get_softc(dev);
115 sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid,
116 0, ~0, STGIOSZ, RF_ACTIVE);
117 if (sc->port_res == NULL) {
118 stg_release_resource(dev);
123 sc->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid,
124 0, ~0, 1, RF_ACTIVE);
125 if (sc->irq_res == NULL) {
126 stg_release_resource(dev);
130 error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize);
135 /* no need to allocate memory if not configured */
136 if (maddr == 0 || msize == 0) {
141 sc->mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid,
142 0, ~0, 1, RF_ACTIVE);
143 if (sc->mem_res == NULL) {
144 stg_release_resource(dev);
152 stg_isa_probe(device_t dev)
154 struct stg_softc *sc = device_get_softc(dev);
157 bzero(sc, sizeof(struct stg_softc));
159 error = stg_alloc_resource(dev);
164 if (stgprobe(dev) == 0) {
165 stg_release_resource(dev);
169 stg_release_resource(dev);
175 stg_isa_attach(device_t dev)
177 struct stg_softc *sc = device_get_softc(dev);
180 error = stg_alloc_resource(dev);
185 error = bus_setup_intr(dev, sc->irq_res, 0,
186 stg_isa_intr, (void *)sc,
187 &sc->stg_intrhand, NULL);
189 stg_release_resource(dev);
193 if (stgattach(dev) == 0) {
194 stg_release_resource(dev);
202 stg_isa_detach(device_t dev)
205 stg_release_resource(dev);
208 static device_method_t stg_isa_methods[] = {
209 /* Device interface */
210 DEVMETHOD(device_probe, stg_isa_probe),
211 DEVMETHOD(device_attach, stg_isa_attach),
212 DEVMETHOD(device_detach, stg_isa_detach),
217 static driver_t stg_isa_driver = {
220 sizeof(struct stg_softc),
223 static devclass_t stg_devclass;
225 DRIVER_MODULE(stg, isa, stg_isa_driver, stg_devclass, NULL, NULL);
228 stg_isa_unload(device_t devi)
230 struct stg_softc *sc = device_get_softc(devi);
232 kprintf("%s: unload\n",sc->sc_sclow.sl_xname);
234 scsi_low_deactivate((struct scsi_low_softc *)sc);
235 scsi_low_dettach(&sc->sc_sclow);
240 stgprobe(device_t devi)
243 struct stg_softc *sc = device_get_softc(devi);
245 rv = stgprobesubr(rman_get_bustag(sc->port_res),
246 rman_get_bushandle(sc->port_res),
247 device_get_flags(devi));
253 stgattach(device_t devi)
255 struct stg_softc *sc;
256 struct scsi_low_softc *slp;
257 u_int32_t flags = device_get_flags(devi);
258 u_int iobase = bus_get_resource_start(devi, SYS_RES_IOPORT, 0);
261 strcpy(dvname,"stg");
266 kprintf("%s: no ioaddr is given\n", dvname);
270 sc = device_get_softc(devi);
277 sc->sc_iot = rman_get_bustag(sc->port_res);
278 sc->sc_ioh = rman_get_bushandle(sc->port_res);
280 slp->sl_hostid = STG_HOSTID;
281 slp->sl_cfgflags = flags;