1 /* $FreeBSD: src/sys/dev/stg/tmc18c30_isa.c,v 1.2.2.4 2001/09/04 04:45:23 non Exp $ */
2 /* $DragonFly: src/sys/dev/disk/stg/tmc18c30_isa.c,v 1.3 2003/08/07 21:16:54 dillon Exp $ */
3 /* $NecBSD: tmc18c30_pisa.c,v 1.22 1998/11/26 01:59:21 honda Exp $ */
9 * Noriaki Mitsunaga, Mitsuru Iwasaki and Takanori Watanabe.
10 * All rights reserved.
11 * [NetBSD for NEC PC-98 series]
12 * Copyright (c) 1996, 1997, 1998
13 * NetBSD/pc98 porting staff. All rights reserved.
14 * Copyright (c) 1996, 1997, 1998
15 * Naofumi HONDA. All rights reserved.
16 * Copyright (c) 1996, 1997, 1998
17 * Kouichi Matsuda. All rights reserved.
19 * Redistribution and use in source and binary forms, with or without
20 * modification, are permitted provided that the following conditions
22 * 1. Redistributions of source code must retain the above copyright
23 * notice, this list of conditions and the following disclaimer.
24 * 2. Redistributions in binary form must reproduce the above copyright
25 * notice, this list of conditions and the following disclaimer in the
26 * documentation and/or other materials provided with the distribution.
27 * 3. The name of the author may not be used to endorse or promote products
28 * derived from this software without specific prior written permission.
30 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
31 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
32 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
33 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
34 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
35 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
36 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
38 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
39 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
40 * POSSIBILITY OF SUCH DAMAGE.
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/kernel.h>
46 #include <sys/module.h>
48 #include <sys/disklabel.h>
49 #if defined(__FreeBSD__) && __FreeBSD_version >= 500001
53 #include <sys/queue.h>
54 #include <sys/malloc.h>
55 #include <sys/errno.h>
59 #include <machine/bus_pio.h>
60 #include <machine/bus.h>
61 #include <machine/resource.h>
64 #include <bus/isa/isavar.h>
66 #include <machine/dvcfg.h>
68 #include <sys/device_port.h>
70 #include <bus/cam/scsi/scsi_low.h>
71 #include <bus/isa/isa_common.h>
72 #include <bus/cam/scsi/scsi_low_pisa.h>
74 #include "tmc18c30reg.h"
75 #include "tmc18c30var.h"
79 #include <sys/kernel.h>
80 #include <sys/module.h>
82 static int stgprobe(device_t devi);
83 static int stgattach(device_t devi);
85 static void stg_isa_unload __P((device_t));
88 stg_isa_intr(void * arg)
94 stg_release_resource(device_t dev)
96 struct stg_softc *sc = device_get_softc(dev);
98 if (sc->stg_intrhand) {
99 bus_teardown_intr(dev, sc->irq_res, sc->stg_intrhand);
103 bus_release_resource(dev, SYS_RES_IOPORT,
104 sc->port_rid, sc->port_res);
108 bus_release_resource(dev, SYS_RES_IRQ,
109 sc->irq_rid, sc->irq_res);
113 bus_release_resource(dev, SYS_RES_MEMORY,
114 sc->mem_rid, sc->mem_res);
119 stg_alloc_resource(device_t dev)
121 struct stg_softc *sc = device_get_softc(dev);
126 sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid,
127 0, ~0, STGIOSZ, RF_ACTIVE);
128 if (sc->port_res == NULL) {
129 stg_release_resource(dev);
134 sc->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid,
135 0, ~0, 1, RF_ACTIVE);
136 if (sc->irq_res == NULL) {
137 stg_release_resource(dev);
141 error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize);
146 /* no need to allocate memory if not configured */
147 if (maddr == 0 || msize == 0) {
152 sc->mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid,
153 0, ~0, 1, RF_ACTIVE);
154 if (sc->mem_res == NULL) {
155 stg_release_resource(dev);
163 stg_isa_probe(device_t dev)
165 struct stg_softc *sc = device_get_softc(dev);
168 bzero(sc, sizeof(struct stg_softc));
170 error = stg_alloc_resource(dev);
175 if (stgprobe(dev) == 0) {
176 stg_release_resource(dev);
180 stg_release_resource(dev);
186 stg_isa_attach(device_t dev)
188 struct stg_softc *sc = device_get_softc(dev);
191 error = stg_alloc_resource(dev);
196 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM,
197 stg_isa_intr, (void *)sc, &sc->stg_intrhand);
199 stg_release_resource(dev);
203 if (stgattach(dev) == 0) {
204 stg_release_resource(dev);
212 stg_isa_detach(device_t dev)
215 stg_release_resource(dev);
218 static device_method_t stg_isa_methods[] = {
219 /* Device interface */
220 DEVMETHOD(device_probe, stg_isa_probe),
221 DEVMETHOD(device_attach, stg_isa_attach),
222 DEVMETHOD(device_detach, stg_isa_detach),
227 static driver_t stg_isa_driver = {
230 sizeof(struct stg_softc),
233 static devclass_t stg_devclass;
235 DRIVER_MODULE(stg, isa, stg_isa_driver, stg_devclass, 0, 0);
238 stg_isa_unload(device_t devi)
240 struct stg_softc *sc = device_get_softc(devi);
243 printf("%s: unload\n",sc->sc_sclow.sl_xname);
245 scsi_low_deactivate((struct scsi_low_softc *)sc);
246 scsi_low_dettach(&sc->sc_sclow);
251 stgprobe(device_t devi)
254 struct stg_softc *sc = device_get_softc(devi);
256 rv = stgprobesubr(rman_get_bustag(sc->port_res),
257 rman_get_bushandle(sc->port_res),
258 device_get_flags(devi));
264 stgattach(device_t devi)
266 struct stg_softc *sc;
267 struct scsi_low_softc *slp;
268 u_int32_t flags = device_get_flags(devi);
269 u_int iobase = bus_get_resource_start(devi, SYS_RES_IOPORT, 0);
273 strcpy(dvname,"stg");
278 printf("%s: no ioaddr is given\n", dvname);
282 sc = device_get_softc(devi);
289 sc->sc_iot = rman_get_bustag(sc->port_res);
290 sc->sc_ioh = rman_get_bushandle(sc->port_res);
292 slp->sl_hostid = STG_HOSTID;
293 slp->sl_cfgflags = flags;