1 /* $NecBSD: nsp_pisa.c,v 1.4 1999/04/15 01:35:54 kmatsuda Exp $ */
2 /* $NetBSD$ */
3
4 /*-
5 * SPDX-License-Identifier: BSD-3-Clause
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) 1998
13 * NetBSD/pc98 porting staff. All rights reserved.
14 *
15 * Redistribution and use in source and binary forms, with or without
16 * modification, are permitted provided that the following conditions
17 * are met:
18 * 1. Redistributions of source code must retain the above copyright
19 * notice, this list of conditions and the following disclaimer.
20 * 2. Redistributions in binary form must reproduce the above copyright
21 * notice, this list of conditions and the following disclaimer in the
22 * documentation and/or other materials provided with the distribution.
23 * 3. The name of the author may not be used to endorse or promote products
24 * derived from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
27 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
28 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
29 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
30 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
31 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
32 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
34 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
35 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #include <sys/cdefs.h>
40 __FBSDID("$FreeBSD: stable/12/sys/dev/nsp/nsp_pccard.c 328523 2018-01-29 00:14:46Z imp $");
41
42 #include <sys/param.h>
43 #include <sys/bus.h>
44 #include <sys/errno.h>
45 #include <sys/kernel.h>
46 #include <sys/malloc.h>
47 #include <sys/module.h>
48 #include <sys/systm.h>
49
50 #include <machine/bus.h>
51 #include <machine/resource.h>
52 #include <sys/rman.h>
53
54 #include <sys/bus.h>
55
56 #include <dev/pccard/pccardvar.h>
57
58 #include <cam/scsi/scsi_low.h>
59
60 #include <dev/nsp/nspreg.h>
61 #include <dev/nsp/nspvar.h>
62
63 #define NSP_HOSTID 7
64
65 #include "pccarddevs.h"
66
67 #define PIO_MODE 0x100 /* pd_flags */
68
69 static int nspprobe(device_t devi);
70 static int nspattach(device_t devi);
71
72 static void nsp_card_unload (device_t);
73
74 const struct pccard_product nsp_products[] = {
75 PCMCIA_CARD(IODATA3, CBSC16),
76 PCMCIA_CARD(PANASONIC, KME),
77 PCMCIA_CARD(WORKBIT2, NINJA_SCSI3),
78 PCMCIA_CARD(WORKBIT, ULTRA_NINJA_16),
79 { NULL }
80 };
81
82 /*
83 * Additional code for FreeBSD new-bus PC Card frontend
84 */
85
86 static void
nsp_pccard_intr(void * arg)87 nsp_pccard_intr(void * arg)
88 {
89 struct nsp_softc *sc;
90
91 sc = arg;
92 SCSI_LOW_LOCK(&sc->sc_sclow);
93 nspintr(sc);
94 SCSI_LOW_UNLOCK(&sc->sc_sclow);
95 }
96
97 static void
nsp_release_resource(device_t dev)98 nsp_release_resource(device_t dev)
99 {
100 struct nsp_softc *sc = device_get_softc(dev);
101
102 if (sc->nsp_intrhand)
103 bus_teardown_intr(dev, sc->irq_res, sc->nsp_intrhand);
104 if (sc->port_res)
105 bus_release_resource(dev, SYS_RES_IOPORT,
106 sc->port_rid, sc->port_res);
107 if (sc->irq_res)
108 bus_release_resource(dev, SYS_RES_IRQ,
109 sc->irq_rid, sc->irq_res);
110 if (sc->mem_res)
111 bus_release_resource(dev, SYS_RES_MEMORY,
112 sc->mem_rid, sc->mem_res);
113 mtx_destroy(&sc->sc_sclow.sl_lock);
114 }
115
116 static int
nsp_alloc_resource(device_t dev)117 nsp_alloc_resource(device_t dev)
118 {
119 struct nsp_softc *sc = device_get_softc(dev);
120 rman_res_t ioaddr, iosize, maddr, msize;
121 int error;
122
123 error = bus_get_resource(dev, SYS_RES_IOPORT, 0, &ioaddr, &iosize);
124 if (error || iosize < NSP_IOSIZE)
125 return(ENOMEM);
126
127 mtx_init(&sc->sc_sclow.sl_lock, "nsp", NULL, MTX_DEF);
128 sc->port_rid = 0;
129 sc->port_res = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT,
130 &sc->port_rid, NSP_IOSIZE,
131 RF_ACTIVE);
132 if (sc->port_res == NULL) {
133 nsp_release_resource(dev);
134 return(ENOMEM);
135 }
136
137 sc->irq_rid = 0;
138 sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid,
139 RF_ACTIVE);
140 if (sc->irq_res == NULL) {
141 nsp_release_resource(dev);
142 return(ENOMEM);
143 }
144
145 error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize);
146 if (error)
147 return(0); /* XXX */
148
149 /* No need to allocate memory if not configured and it's in PIO mode */
150 if (maddr == 0 || msize == 0) {
151 if ((device_get_flags(dev) & PIO_MODE) == 0) {
152 printf("Memory window was not configured. Configure or use in PIO mode.");
153 nsp_release_resource(dev);
154 return(ENOMEM);
155 }
156 /* no need to allocate memory if PIO mode */
157 return(0);
158 }
159
160 sc->mem_rid = 0;
161 sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->mem_rid,
162 RF_ACTIVE);
163 if (sc->mem_res == NULL) {
164 nsp_release_resource(dev);
165 return(ENOMEM);
166 }
167
168 return(0);
169 }
170
171 static int
nsp_pccard_probe(device_t dev)172 nsp_pccard_probe(device_t dev)
173 {
174 const struct pccard_product *pp;
175
176 if ((pp = pccard_product_lookup(dev, nsp_products,
177 sizeof(nsp_products[0]), NULL)) != NULL) {
178 if (pp->pp_name)
179 device_set_desc(dev, pp->pp_name);
180 return (BUS_PROBE_DEFAULT);
181 }
182 return(EIO);
183 }
184
185 static int
nsp_pccard_attach(device_t dev)186 nsp_pccard_attach(device_t dev)
187 {
188 struct nsp_softc *sc = device_get_softc(dev);
189 int error;
190
191 error = nsp_alloc_resource(dev);
192 if (error)
193 return(error);
194 if (nspprobe(dev) == 0) {
195 nsp_release_resource(dev);
196 return(ENXIO);
197 }
198 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM | INTR_ENTROPY |
199 INTR_MPSAFE, NULL, nsp_pccard_intr, sc, &sc->nsp_intrhand);
200 if (error) {
201 nsp_release_resource(dev);
202 return(error);
203 }
204 if (nspattach(dev) == 0) {
205 nsp_release_resource(dev);
206 return(ENXIO);
207 }
208 gone_in_dev(dev, 12, "nsp(4) driver");
209
210 return(0);
211 }
212
213 static int
nsp_pccard_detach(device_t dev)214 nsp_pccard_detach(device_t dev)
215 {
216 nsp_card_unload(dev);
217 nsp_release_resource(dev);
218
219 return (0);
220 }
221
222 static device_method_t nsp_pccard_methods[] = {
223 /* Device interface */
224 DEVMETHOD(device_probe, nsp_pccard_probe),
225 DEVMETHOD(device_attach, nsp_pccard_attach),
226 DEVMETHOD(device_detach, nsp_pccard_detach),
227 { 0, 0 }
228 };
229
230 static driver_t nsp_pccard_driver = {
231 "nsp",
232 nsp_pccard_methods,
233 sizeof(struct nsp_softc),
234 };
235
236 static devclass_t nsp_devclass;
237
238 MODULE_DEPEND(nsp, scsi_low, 1, 1, 1);
239 DRIVER_MODULE(nsp, pccard, nsp_pccard_driver, nsp_devclass, 0, 0);
240 PCCARD_PNP_INFO(nsp_products);
241
242 static void
nsp_card_unload(device_t devi)243 nsp_card_unload(device_t devi)
244 {
245 struct nsp_softc *sc = device_get_softc(devi);
246
247 scsi_low_deactivate(&sc->sc_sclow);
248 scsi_low_detach(&sc->sc_sclow);
249 }
250
251 static int
nspprobe(device_t devi)252 nspprobe(device_t devi)
253 {
254 int rv;
255 struct nsp_softc *sc = device_get_softc(devi);
256
257 rv = nspprobesubr(sc->port_res,
258 device_get_flags(devi));
259
260 return rv;
261 }
262
263 static int
nspattach(device_t devi)264 nspattach(device_t devi)
265 {
266 struct nsp_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
271 if (iobase == 0) {
272 device_printf(devi, "no ioaddr is given\n");
273 return (ENXIO);
274 }
275
276 sc = device_get_softc(devi);
277 slp = &sc->sc_sclow;
278 slp->sl_dev = devi;
279
280 if (sc->mem_res == NULL) {
281 device_printf(devi,
282 "WARNING: CANNOT GET Memory RESOURCE going PIO mode\n");
283 flags |= PIO_MODE;
284 }
285
286 /* slp->sl_irq = devi->pd_irq; */
287 sc->sc_iclkdiv = CLKDIVR_20M;
288 sc->sc_clkdiv = CLKDIVR_40M;
289
290 slp->sl_hostid = NSP_HOSTID;
291 slp->sl_cfgflags = flags;
292
293 nspattachsubr(sc);
294
295 return(NSP_IOSIZE);
296 }
297