1 /* $NecBSD: nsp_pisa.c,v 1.4 1999/04/15 01:35:54 kmatsuda Exp $ */
2 /* $NetBSD$ */
3
4 /*-
5 * [Ported for FreeBSD]
6 * Copyright (c) 2000
7 * Noriaki Mitsunaga, Mitsuru Iwasaki and Takanori Watanabe.
8 * All rights reserved.
9 * [NetBSD for NEC PC-98 series]
10 * Copyright (c) 1998
11 * NetBSD/pc98 porting staff. All rights reserved.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. The name of the author may not be used to endorse or promote products
22 * derived from this software without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
26 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
28 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
32 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
33 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34 * POSSIBILITY OF SUCH DAMAGE.
35 */
36
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD$");
39
40 #include <sys/param.h>
41 #include <sys/bus.h>
42 #include <sys/errno.h>
43 #include <sys/kernel.h>
44 #include <sys/malloc.h>
45 #include <sys/module.h>
46 #include <sys/systm.h>
47
48 #include <machine/bus.h>
49 #include <machine/resource.h>
50 #include <sys/rman.h>
51
52 #include <sys/bus.h>
53
54 #include <dev/pccard/pccardvar.h>
55
56 #include <cam/scsi/scsi_low.h>
57
58 #include <dev/nsp/nspreg.h>
59 #include <dev/nsp/nspvar.h>
60
61 #define NSP_HOSTID 7
62
63 #include "pccarddevs.h"
64
65 #define PIO_MODE 0x100 /* pd_flags */
66
67 static int nspprobe(device_t devi);
68 static int nspattach(device_t devi);
69
70 static void nsp_card_unload (device_t);
71
72 const struct pccard_product nsp_products[] = {
73 PCMCIA_CARD(IODATA3, CBSC16),
74 PCMCIA_CARD(PANASONIC, KME),
75 PCMCIA_CARD(WORKBIT2, NINJA_SCSI3),
76 PCMCIA_CARD(WORKBIT, ULTRA_NINJA_16),
77 { NULL }
78 };
79
80 /*
81 * Additional code for FreeBSD new-bus PC Card frontend
82 */
83
84 static void
nsp_pccard_intr(void * arg)85 nsp_pccard_intr(void * arg)
86 {
87 struct nsp_softc *sc;
88
89 sc = arg;
90 SCSI_LOW_LOCK(&sc->sc_sclow);
91 nspintr(sc);
92 SCSI_LOW_UNLOCK(&sc->sc_sclow);
93 }
94
95 static void
nsp_release_resource(device_t dev)96 nsp_release_resource(device_t dev)
97 {
98 struct nsp_softc *sc = device_get_softc(dev);
99
100 if (sc->nsp_intrhand)
101 bus_teardown_intr(dev, sc->irq_res, sc->nsp_intrhand);
102 if (sc->port_res)
103 bus_release_resource(dev, SYS_RES_IOPORT,
104 sc->port_rid, sc->port_res);
105 if (sc->irq_res)
106 bus_release_resource(dev, SYS_RES_IRQ,
107 sc->irq_rid, sc->irq_res);
108 if (sc->mem_res)
109 bus_release_resource(dev, SYS_RES_MEMORY,
110 sc->mem_rid, sc->mem_res);
111 mtx_destroy(&sc->sc_sclow.sl_lock);
112 }
113
114 static int
nsp_alloc_resource(device_t dev)115 nsp_alloc_resource(device_t dev)
116 {
117 struct nsp_softc *sc = device_get_softc(dev);
118 u_long ioaddr, iosize, maddr, msize;
119 int error;
120
121 error = bus_get_resource(dev, SYS_RES_IOPORT, 0, &ioaddr, &iosize);
122 if (error || iosize < NSP_IOSIZE)
123 return(ENOMEM);
124
125 mtx_init(&sc->sc_sclow.sl_lock, "nsp", NULL, MTX_DEF);
126 sc->port_rid = 0;
127 sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid,
128 0, ~0, NSP_IOSIZE, RF_ACTIVE);
129 if (sc->port_res == NULL) {
130 nsp_release_resource(dev);
131 return(ENOMEM);
132 }
133
134 sc->irq_rid = 0;
135 sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid,
136 RF_ACTIVE);
137 if (sc->irq_res == NULL) {
138 nsp_release_resource(dev);
139 return(ENOMEM);
140 }
141
142 error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize);
143 if (error)
144 return(0); /* XXX */
145
146 /* No need to allocate memory if not configured and it's in PIO mode */
147 if (maddr == 0 || msize == 0) {
148 if ((device_get_flags(dev) & PIO_MODE) == 0) {
149 printf("Memory window was not configured. Configure or use in PIO mode.");
150 nsp_release_resource(dev);
151 return(ENOMEM);
152 }
153 /* no need to allocate memory if PIO mode */
154 return(0);
155 }
156
157 sc->mem_rid = 0;
158 sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->mem_rid,
159 RF_ACTIVE);
160 if (sc->mem_res == NULL) {
161 nsp_release_resource(dev);
162 return(ENOMEM);
163 }
164
165 return(0);
166 }
167
168 static int
nsp_pccard_probe(device_t dev)169 nsp_pccard_probe(device_t dev)
170 {
171 const struct pccard_product *pp;
172
173 if ((pp = pccard_product_lookup(dev, nsp_products,
174 sizeof(nsp_products[0]), NULL)) != NULL) {
175 if (pp->pp_name)
176 device_set_desc(dev, pp->pp_name);
177 return (BUS_PROBE_DEFAULT);
178 }
179 return(EIO);
180 }
181
182 static int
nsp_pccard_attach(device_t dev)183 nsp_pccard_attach(device_t dev)
184 {
185 struct nsp_softc *sc = device_get_softc(dev);
186 int error;
187
188 error = nsp_alloc_resource(dev);
189 if (error)
190 return(error);
191 if (nspprobe(dev) == 0) {
192 nsp_release_resource(dev);
193 return(ENXIO);
194 }
195 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM | INTR_ENTROPY |
196 INTR_MPSAFE, NULL, nsp_pccard_intr, sc, &sc->nsp_intrhand);
197 if (error) {
198 nsp_release_resource(dev);
199 return(error);
200 }
201 if (nspattach(dev) == 0) {
202 nsp_release_resource(dev);
203 return(ENXIO);
204 }
205
206 return(0);
207 }
208
209 static int
nsp_pccard_detach(device_t dev)210 nsp_pccard_detach(device_t dev)
211 {
212 nsp_card_unload(dev);
213 nsp_release_resource(dev);
214
215 return (0);
216 }
217
218 static device_method_t nsp_pccard_methods[] = {
219 /* Device interface */
220 DEVMETHOD(device_probe, nsp_pccard_probe),
221 DEVMETHOD(device_attach, nsp_pccard_attach),
222 DEVMETHOD(device_detach, nsp_pccard_detach),
223 { 0, 0 }
224 };
225
226 static driver_t nsp_pccard_driver = {
227 "nsp",
228 nsp_pccard_methods,
229 sizeof(struct nsp_softc),
230 };
231
232 static devclass_t nsp_devclass;
233
234 MODULE_DEPEND(nsp, scsi_low, 1, 1, 1);
235 DRIVER_MODULE(nsp, pccard, nsp_pccard_driver, nsp_devclass, 0, 0);
236 PCCARD_PNP_INFO(nsp_products);
237
238 static void
nsp_card_unload(device_t devi)239 nsp_card_unload(device_t devi)
240 {
241 struct nsp_softc *sc = device_get_softc(devi);
242
243 scsi_low_deactivate(&sc->sc_sclow);
244 scsi_low_detach(&sc->sc_sclow);
245 }
246
247 static int
nspprobe(device_t devi)248 nspprobe(device_t devi)
249 {
250 int rv;
251 struct nsp_softc *sc = device_get_softc(devi);
252
253 rv = nspprobesubr(sc->port_res,
254 device_get_flags(devi));
255
256 return rv;
257 }
258
259 static int
nspattach(device_t devi)260 nspattach(device_t devi)
261 {
262 struct nsp_softc *sc;
263 struct scsi_low_softc *slp;
264 u_int32_t flags = device_get_flags(devi);
265 u_int iobase = bus_get_resource_start(devi, SYS_RES_IOPORT, 0);
266
267 if (iobase == 0) {
268 device_printf(devi, "no ioaddr is given\n");
269 return (ENXIO);
270 }
271
272 sc = device_get_softc(devi);
273 slp = &sc->sc_sclow;
274 slp->sl_dev = devi;
275
276 if (sc->mem_res == NULL) {
277 device_printf(devi,
278 "WARNING: CANNOT GET Memory RESOURCE going PIO mode\n");
279 flags |= PIO_MODE;
280 }
281
282 /* slp->sl_irq = devi->pd_irq; */
283 sc->sc_iclkdiv = CLKDIVR_20M;
284 sc->sc_clkdiv = CLKDIVR_40M;
285
286 slp->sl_hostid = NSP_HOSTID;
287 slp->sl_cfgflags = flags;
288
289 nspattachsubr(sc);
290
291 return(NSP_IOSIZE);
292 }
293