remove __P() from this directory
[dragonfly.git] / sys / dev / disk / stg / tmc18c30_isa.c
CommitLineData
984263bc 1/* $FreeBSD: src/sys/dev/stg/tmc18c30_isa.c,v 1.2.2.4 2001/09/04 04:45:23 non Exp $ */
38e94a25 2/* $DragonFly: src/sys/dev/disk/stg/tmc18c30_isa.c,v 1.4 2003/08/27 10:35:17 rob Exp $ */
984263bc
MD
3/* $NecBSD: tmc18c30_pisa.c,v 1.22 1998/11/26 01:59:21 honda Exp $ */
4/* $NetBSD$ */
5
6/*
7* [Ported for FreeBSD]
8* Copyright (c) 2000
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.
18*
19* Redistribution and use in source and binary forms, with or without
20* modification, are permitted provided that the following conditions
21* are met:
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.
29*
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.
41*/
42
43#include <sys/param.h>
44#include <sys/systm.h>
45#include <sys/kernel.h>
46#include <sys/module.h>
47#include <sys/bus.h>
48#include <sys/disklabel.h>
49#if defined(__FreeBSD__) && __FreeBSD_version >= 500001
50#include <sys/bio.h>
51#endif
52#include <sys/buf.h>
53#include <sys/queue.h>
54#include <sys/malloc.h>
55#include <sys/errno.h>
56
57#include <vm/vm.h>
58
59#include <machine/bus_pio.h>
60#include <machine/bus.h>
61#include <machine/resource.h>
62#include <sys/rman.h>
63
1f2de5d4 64#include <bus/isa/isavar.h>
984263bc
MD
65
66#include <machine/dvcfg.h>
67
68#include <sys/device_port.h>
69
1f2de5d4
MD
70#include <bus/cam/scsi/scsi_low.h>
71#include <bus/isa/isa_common.h>
72#include <bus/cam/scsi/scsi_low_pisa.h>
984263bc 73
1f2de5d4
MD
74#include "tmc18c30reg.h"
75#include "tmc18c30var.h"
984263bc
MD
76
77#define STG_HOSTID 7
78
79#include <sys/kernel.h>
80#include <sys/module.h>
81
82static int stgprobe(device_t devi);
83static int stgattach(device_t devi);
84
38e94a25 85static void stg_isa_unload (device_t);
984263bc
MD
86
87static void
88stg_isa_intr(void * arg)
89{
90 stgintr(arg);
91}
92
93static void
94stg_release_resource(device_t dev)
95{
96 struct stg_softc *sc = device_get_softc(dev);
97
98 if (sc->stg_intrhand) {
99 bus_teardown_intr(dev, sc->irq_res, sc->stg_intrhand);
100 }
101
102 if (sc->port_res) {
103 bus_release_resource(dev, SYS_RES_IOPORT,
104 sc->port_rid, sc->port_res);
105 }
106
107 if (sc->irq_res) {
108 bus_release_resource(dev, SYS_RES_IRQ,
109 sc->irq_rid, sc->irq_res);
110 }
111
112 if (sc->mem_res) {
113 bus_release_resource(dev, SYS_RES_MEMORY,
114 sc->mem_rid, sc->mem_res);
115 }
116}
117
118static int
119stg_alloc_resource(device_t dev)
120{
121 struct stg_softc *sc = device_get_softc(dev);
122 u_long maddr, msize;
123 int error;
124
125 sc->port_rid = 0;
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);
130 return(ENOMEM);
131 }
132
133 sc->irq_rid = 0;
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);
138 return(ENOMEM);
139 }
140
141 error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize);
142 if (error) {
143 return(0); /* XXX */
144 }
145
146 /* no need to allocate memory if not configured */
147 if (maddr == 0 || msize == 0) {
148 return(0);
149 }
150
151 sc->mem_rid = 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);
156 return(ENOMEM);
157 }
158
159 return(0);
160}
161
162static int
163stg_isa_probe(device_t dev)
164{
165 struct stg_softc *sc = device_get_softc(dev);
166 int error;
167
168 bzero(sc, sizeof(struct stg_softc));
169
170 error = stg_alloc_resource(dev);
171 if (error) {
172 return(error);
173 }
174
175 if (stgprobe(dev) == 0) {
176 stg_release_resource(dev);
177 return(ENXIO);
178 }
179
180 stg_release_resource(dev);
181
182 return(0);
183}
184
185static int
186stg_isa_attach(device_t dev)
187{
188 struct stg_softc *sc = device_get_softc(dev);
189 int error;
190
191 error = stg_alloc_resource(dev);
192 if (error) {
193 return(error);
194 }
195
196 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM,
197 stg_isa_intr, (void *)sc, &sc->stg_intrhand);
198 if (error) {
199 stg_release_resource(dev);
200 return(error);
201 }
202
203 if (stgattach(dev) == 0) {
204 stg_release_resource(dev);
205 return(ENXIO);
206 }
207
208 return(0);
209}
210
211static void
212stg_isa_detach(device_t dev)
213{
214 stg_isa_unload(dev);
215 stg_release_resource(dev);
216}
217
218static 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),
223
224 { 0, 0 }
225};
226
227static driver_t stg_isa_driver = {
228 "stg",
229 stg_isa_methods,
230 sizeof(struct stg_softc),
231};
232
233static devclass_t stg_devclass;
234
235DRIVER_MODULE(stg, isa, stg_isa_driver, stg_devclass, 0, 0);
236
237static void
238stg_isa_unload(device_t devi)
239{
240 struct stg_softc *sc = device_get_softc(devi);
241 intrmask_t s;
242
243 printf("%s: unload\n",sc->sc_sclow.sl_xname);
244 s = splcam();
245 scsi_low_deactivate((struct scsi_low_softc *)sc);
246 scsi_low_dettach(&sc->sc_sclow);
247 splx(s);
248}
249
250static int
251stgprobe(device_t devi)
252{
253 int rv;
254 struct stg_softc *sc = device_get_softc(devi);
255
256 rv = stgprobesubr(rman_get_bustag(sc->port_res),
257 rman_get_bushandle(sc->port_res),
258 device_get_flags(devi));
259
260 return rv;
261}
262
263static int
264stgattach(device_t devi)
265{
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);
270 intrmask_t s;
271 char dvname[16];
272
273 strcpy(dvname,"stg");
274
275
276 if (iobase == 0)
277 {
278 printf("%s: no ioaddr is given\n", dvname);
279 return (0);
280 }
281
282 sc = device_get_softc(devi);
283 if (sc == NULL) {
284 return(0);
285 }
286
287 slp = &sc->sc_sclow;
288 slp->sl_dev = devi;
289 sc->sc_iot = rman_get_bustag(sc->port_res);
290 sc->sc_ioh = rman_get_bushandle(sc->port_res);
291
292 slp->sl_hostid = STG_HOSTID;
293 slp->sl_cfgflags = flags;
294
295 s = splcam();
296 stgattachsubr(sc);
297 splx(s);
298
299 return(STGIOSZ);
300}