Do a major clean-up of the BUSDMA architecture. A large number of
[dfdiff.git] / sys / dev / disk / stg / tmc18c30_pccard.c
blob4884b3f49fe7f121093c61a1f3e5a74455d5bd5d
1 /* $FreeBSD: src/sys/dev/stg/tmc18c30_pccard.c,v 1.2.2.6 2001/12/17 13:30:19 non Exp $ */
2 /* $DragonFly: src/sys/dev/disk/stg/tmc18c30_pccard.c,v 1.10 2006/10/25 20:55:54 dillon Exp $ */
3 /* $NecBSD: tmc18c30_pisa.c,v 1.22 1998/11/26 01:59:21 honda Exp $ */
4 /* $NetBSD$ */
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.
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.
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/disklabel.h>
46 #include <sys/buf.h>
47 #include <sys/bus.h>
48 #include <sys/queue.h>
49 #include <sys/malloc.h>
50 #include <sys/errno.h>
51 #include <sys/thread2.h>
53 #include <vm/vm.h>
55 #include <machine/dvcfg.h>
57 #include <sys/device_port.h>
59 #include <bus/pccard/pccarddevs.h>
60 #include <bus/pccard/pccardvar.h>
62 #include <bus/cam/scsi/scsi_low.h>
63 #include <bus/cam/scsi/scsi_low_pisa.h>
65 #include "tmc18c30reg.h"
66 #include "tmc18c30var.h"
68 #define STG_HOSTID 7
70 #include <sys/kernel.h>
71 #include <sys/module.h>
72 #include <bus/pccard/cardinfo.h>
73 #include <bus/pccard/slot.h>
75 static const struct pccard_product stg_products[] = {
76 PCMCIA_CARD(FUTUREDOMAIN, SCSI2GO, 0),
77 PCMCIA_CARD(IBM, SCSICARD, 0),
78 PCMCIA_CARD(RATOC, REX5536, 0),
79 PCMCIA_CARD(RATOC, REX5536AM, 0),
80 PCMCIA_CARD(RATOC, REX5536M, 0),
81 { NULL }
84 static int stgprobe(DEVPORT_PDEVICE devi);
85 static int stgattach(DEVPORT_PDEVICE devi);
87 static void stg_card_unload (DEVPORT_PDEVICE);
90 * Additional code for FreeBSD new-bus PCCard frontend
93 static int stg_pccard_match(device_t dev)
95 const struct pccard_product *pp;
97 if ((pp = pccard_product_lookup(dev, stg_products,
98 sizeof(stg_products[0]), NULL)) != NULL) {
99 if (pp->pp_name != NULL)
100 device_set_desc(dev, pp->pp_name);
101 return(0);
103 return(EIO);
106 static void
107 stg_pccard_intr(void * arg)
109 stgintr(arg);
112 static void
113 stg_release_resource(DEVPORT_PDEVICE dev)
115 struct stg_softc *sc = device_get_softc(dev);
117 if (sc->stg_intrhand) {
118 bus_teardown_intr(dev, sc->irq_res, sc->stg_intrhand);
121 if (sc->port_res) {
122 bus_release_resource(dev, SYS_RES_IOPORT,
123 sc->port_rid, sc->port_res);
126 if (sc->irq_res) {
127 bus_release_resource(dev, SYS_RES_IRQ,
128 sc->irq_rid, sc->irq_res);
131 if (sc->mem_res) {
132 bus_release_resource(dev, SYS_RES_MEMORY,
133 sc->mem_rid, sc->mem_res);
137 static int
138 stg_alloc_resource(DEVPORT_PDEVICE dev)
140 struct stg_softc *sc = device_get_softc(dev);
141 u_long ioaddr, iosize, maddr, msize;
142 int error;
144 error = bus_get_resource(dev, SYS_RES_IOPORT, 0, &ioaddr, &iosize);
145 if (error || iosize < STGIOSZ) {
146 return(ENOMEM);
149 sc->port_rid = 0;
150 sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid,
151 0, ~0, STGIOSZ, RF_ACTIVE);
152 if (sc->port_res == NULL) {
153 stg_release_resource(dev);
154 return(ENOMEM);
157 sc->irq_rid = 0;
158 sc->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid,
159 0, ~0, 1, RF_ACTIVE);
160 if (sc->irq_res == NULL) {
161 stg_release_resource(dev);
162 return(ENOMEM);
165 error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize);
166 if (error) {
167 return(0); /* XXX */
170 /* no need to allocate memory if not configured */
171 if (maddr == 0 || msize == 0) {
172 return(0);
175 sc->mem_rid = 0;
176 sc->mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid,
177 0, ~0, 1, RF_ACTIVE);
178 if (sc->mem_res == NULL) {
179 stg_release_resource(dev);
180 return(ENOMEM);
183 return(0);
186 static int
187 stg_pccard_probe(DEVPORT_PDEVICE dev)
189 struct stg_softc *sc = device_get_softc(dev);
190 int error;
192 bzero(sc, sizeof(struct stg_softc));
194 error = stg_alloc_resource(dev);
195 if (error) {
196 return(error);
199 if (stgprobe(dev) == 0) {
200 stg_release_resource(dev);
201 return(ENXIO);
204 stg_release_resource(dev);
206 return(0);
209 static int
210 stg_pccard_attach(DEVPORT_PDEVICE dev)
212 struct stg_softc *sc = device_get_softc(dev);
213 int error;
215 error = stg_alloc_resource(dev);
216 if (error) {
217 return(error);
220 error = bus_setup_intr(dev, sc->irq_res, 0,
221 stg_pccard_intr, (void *)sc,
222 &sc->stg_intrhand, NULL);
223 if (error) {
224 stg_release_resource(dev);
225 return(error);
228 if (stgattach(dev) == 0) {
229 stg_release_resource(dev);
230 return(ENXIO);
233 return(0);
236 static void
237 stg_pccard_detach(DEVPORT_PDEVICE dev)
239 stg_card_unload(dev);
240 stg_release_resource(dev);
243 static device_method_t stg_pccard_methods[] = {
244 /* Device interface */
245 DEVMETHOD(device_probe, pccard_compat_probe),
246 DEVMETHOD(device_attach, pccard_compat_attach),
247 DEVMETHOD(device_detach, stg_pccard_detach),
249 /* Card interface */
250 DEVMETHOD(card_compat_match, stg_pccard_match),
251 DEVMETHOD(card_compat_probe, stg_pccard_probe),
252 DEVMETHOD(card_compat_attach, stg_pccard_attach),
254 { 0, 0 }
257 static driver_t stg_pccard_driver = {
258 "stg",
259 stg_pccard_methods,
260 sizeof(struct stg_softc),
263 static devclass_t stg_devclass;
265 MODULE_DEPEND(stg, scsi_low, 1, 1, 1);
266 DRIVER_MODULE(stg, pccard, stg_pccard_driver, stg_devclass, 0, 0);
268 static void
269 stg_card_unload(DEVPORT_PDEVICE devi)
271 struct stg_softc *sc = DEVPORT_PDEVGET_SOFTC(devi);
273 printf("%s: unload\n",sc->sc_sclow.sl_xname);
274 crit_enter();
275 scsi_low_deactivate((struct scsi_low_softc *)sc);
276 scsi_low_dettach(&sc->sc_sclow);
277 crit_exit();
280 static int
281 stgprobe(DEVPORT_PDEVICE devi)
283 int rv;
284 struct stg_softc *sc = device_get_softc(devi);
286 rv = stgprobesubr(rman_get_bustag(sc->port_res),
287 rman_get_bushandle(sc->port_res),
288 DEVPORT_PDEVFLAGS(devi));
290 return rv;
293 static int
294 stgattach(DEVPORT_PDEVICE devi)
296 struct stg_softc *sc;
297 struct scsi_low_softc *slp;
298 u_int32_t flags = DEVPORT_PDEVFLAGS(devi);
299 u_int iobase = DEVPORT_PDEVIOBASE(devi);
300 char dvname[16];
302 strcpy(dvname,"stg");
304 if (iobase == 0)
306 printf("%s: no ioaddr is given\n", dvname);
307 return (0);
310 sc = DEVPORT_PDEVALLOC_SOFTC(devi);
311 if (sc == NULL) {
312 return(0);
315 slp = &sc->sc_sclow;
316 slp->sl_dev = devi;
317 sc->sc_iot = rman_get_bustag(sc->port_res);
318 sc->sc_ioh = rman_get_bushandle(sc->port_res);
320 slp->sl_hostid = STG_HOSTID;
321 slp->sl_cfgflags = flags;
323 crit_enter();
324 stgattachsubr(sc);
325 crit_exit();
327 return(STGIOSZ);