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 static int stgprobe(device_t devi);
69 static int stgattach(device_t devi);
71 static void stg_isa_unload (device_t);
74 stg_isa_intr(void * arg)
80 stg_release_resource(device_t dev)
82 struct stg_softc *sc = device_get_softc(dev);
84 if (sc->stg_intrhand) {
85 bus_teardown_intr(dev, sc->irq_res, sc->stg_intrhand);
89 bus_release_resource(dev, SYS_RES_IOPORT,
90 sc->port_rid, sc->port_res);
94 bus_release_resource(dev, SYS_RES_IRQ,
95 sc->irq_rid, sc->irq_res);
99 bus_release_resource(dev, SYS_RES_MEMORY,
100 sc->mem_rid, sc->mem_res);
105 stg_alloc_resource(device_t dev)
107 struct stg_softc *sc = device_get_softc(dev);
112 sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid,
113 0, ~0, STGIOSZ, RF_ACTIVE);
114 if (sc->port_res == NULL) {
115 stg_release_resource(dev);
120 sc->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid,
121 0, ~0, 1, RF_ACTIVE);
122 if (sc->irq_res == NULL) {
123 stg_release_resource(dev);
127 error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize);
132 /* no need to allocate memory if not configured */
133 if (maddr == 0 || msize == 0) {
138 sc->mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid,
139 0, ~0, 1, RF_ACTIVE);
140 if (sc->mem_res == NULL) {
141 stg_release_resource(dev);
149 stg_isa_probe(device_t dev)
151 struct stg_softc *sc = device_get_softc(dev);
154 bzero(sc, sizeof(struct stg_softc));
156 error = stg_alloc_resource(dev);
161 if (stgprobe(dev) == 0) {
162 stg_release_resource(dev);
166 stg_release_resource(dev);
172 stg_isa_attach(device_t dev)
174 struct stg_softc *sc = device_get_softc(dev);
177 error = stg_alloc_resource(dev);
182 error = bus_setup_intr(dev, sc->irq_res, 0,
183 stg_isa_intr, (void *)sc,
184 &sc->stg_intrhand, NULL);
186 stg_release_resource(dev);
190 if (stgattach(dev) == 0) {
191 stg_release_resource(dev);
199 stg_isa_detach(device_t dev)
202 stg_release_resource(dev);
205 static device_method_t stg_isa_methods[] = {
206 /* Device interface */
207 DEVMETHOD(device_probe, stg_isa_probe),
208 DEVMETHOD(device_attach, stg_isa_attach),
209 DEVMETHOD(device_detach, stg_isa_detach),
214 static driver_t stg_isa_driver = {
217 sizeof(struct stg_softc),
220 static devclass_t stg_devclass;
222 DRIVER_MODULE(stg, isa, stg_isa_driver, stg_devclass, NULL, NULL);
225 stg_isa_unload(device_t devi)
227 struct stg_softc *sc = device_get_softc(devi);
229 kprintf("%s: unload\n",sc->sc_sclow.sl_xname);
231 scsi_low_deactivate((struct scsi_low_softc *)sc);
232 scsi_low_dettach(&sc->sc_sclow);
237 stgprobe(device_t devi)
240 struct stg_softc *sc = device_get_softc(devi);
242 rv = stgprobesubr(rman_get_bustag(sc->port_res),
243 rman_get_bushandle(sc->port_res),
244 device_get_flags(devi));
250 stgattach(device_t devi)
252 struct stg_softc *sc;
253 struct scsi_low_softc *slp;
254 u_int32_t flags = device_get_flags(devi);
255 u_int iobase = bus_get_resource_start(devi, SYS_RES_IOPORT, 0);
258 strcpy(dvname,"stg");
263 kprintf("%s: no ioaddr is given\n", dvname);
267 sc = device_get_softc(devi);
274 sc->sc_iot = rman_get_bustag(sc->port_res);
275 sc->sc_ioh = rman_get_bushandle(sc->port_res);
277 slp->sl_hostid = STG_HOSTID;
278 slp->sl_cfgflags = flags;