1/* $FreeBSD: head/sys/dev/stg/tmc18c30_isa.c 103693 2002-09-20 16:53:19Z phk $ */
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1/* $FreeBSD: head/sys/dev/stg/tmc18c30_isa.c 113205 2003-04-07 10:13:25Z mdodd $ */ |
2/* $NecBSD: tmc18c30_pisa.c,v 1.22 1998/11/26 01:59:21 honda Exp $ */ 3/* $NetBSD$ */ 4 5/* 6 * [Ported for FreeBSD] 7 * Copyright (c) 2000 8 * Noriaki Mitsunaga, Mitsuru Iwasaki and Takanori Watanabe. 9 * All rights reserved. 10 * [NetBSD for NEC PC-98 series] 11 * Copyright (c) 1996, 1997, 1998 12 * NetBSD/pc98 porting staff. All rights reserved. 13 * Copyright (c) 1996, 1997, 1998 14 * Naofumi HONDA. All rights reserved. 15 * Copyright (c) 1996, 1997, 1998 16 * Kouichi Matsuda. All rights reserved. 17 * 18 * Redistribution and use in source and binary forms, with or without 19 * modification, are permitted provided that the following conditions 20 * are met: 21 * 1. Redistributions of source code must retain the above copyright 22 * notice, this list of conditions and the following disclaimer. 23 * 2. Redistributions in binary form must reproduce the above copyright 24 * notice, this list of conditions and the following disclaimer in the 25 * documentation and/or other materials provided with the distribution. 26 * 3. The name of the author may not be used to endorse or promote products 27 * derived from this software without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 30 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 31 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 32 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 33 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 34 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 37 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 38 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 39 * POSSIBILITY OF SUCH DAMAGE. 40 */ 41 42#include <sys/param.h> 43#include <sys/systm.h> 44#include <sys/kernel.h> 45#include <sys/module.h> 46#include <sys/bus.h> 47#include <sys/malloc.h> 48#include <sys/errno.h> 49 50#include <machine/bus_pio.h> 51#include <machine/bus.h> 52#include <machine/resource.h> 53#include <sys/rman.h> 54
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55#include <isa/isavar.h>
56
57#include <machine/dvcfg.h>
58
59#include <sys/device_port.h>
60
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55#include <cam/scsi/scsi_low.h>
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62#include <isa/isa_common.h>
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56#include <cam/scsi/scsi_low_pisa.h> 57 58#include <dev/stg/tmc18c30reg.h> 59#include <dev/stg/tmc18c30var.h>
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60#include <dev/stg/tmc18c30.h> |
61
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68#define STG_HOSTID 7
69
70#include <sys/kernel.h>
71#include <sys/module.h>
72
73static int stgprobe(device_t devi);
74static int stgattach(device_t devi);
75
76static void stg_isa_unload (device_t);
77
78static void
79stg_isa_intr(void * arg)
80{
81 stgintr(arg);
82}
83
84static void
85stg_release_resource(device_t dev)
86{
87 struct stg_softc *sc = device_get_softc(dev);
88
89 if (sc->stg_intrhand) {
90 bus_teardown_intr(dev, sc->irq_res, sc->stg_intrhand);
91 }
92
93 if (sc->port_res) {
94 bus_release_resource(dev, SYS_RES_IOPORT,
95 sc->port_rid, sc->port_res);
96 }
97
98 if (sc->irq_res) {
99 bus_release_resource(dev, SYS_RES_IRQ,
100 sc->irq_rid, sc->irq_res);
101 }
102
103 if (sc->mem_res) {
104 bus_release_resource(dev, SYS_RES_MEMORY,
105 sc->mem_rid, sc->mem_res);
106 }
107}
108
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62static int
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110stg_alloc_resource(device_t dev)
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63stg_isa_probe(device_t dev) |
64{ 65 struct stg_softc *sc = device_get_softc(dev);
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113 u_long maddr, msize;
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66 int error; 67 68 sc->port_rid = 0;
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117 sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid,
118 0, ~0, STGIOSZ, RF_ACTIVE);
119 if (sc->port_res == NULL) {
120 stg_release_resource(dev);
121 return(ENOMEM);
122 }
123
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69 sc->irq_rid = 0;
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125 sc->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid,
126 0, ~0, 1, RF_ACTIVE);
127 if (sc->irq_res == NULL) {
128 stg_release_resource(dev);
129 return(ENOMEM);
130 }
131
132 error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize);
133 if (error) {
134 return(0); /* XXX */
135 }
136
137 /* no need to allocate memory if not configured */
138 if (maddr == 0 || msize == 0) {
139 return(0);
140 }
141
142 sc->mem_rid = 0;
143 sc->mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid,
144 0, ~0, 1, RF_ACTIVE);
145 if (sc->mem_res == NULL) {
146 stg_release_resource(dev);
147 return(ENOMEM);
148 }
149
150 return(0);
151}
152
153static int
154stg_isa_probe(device_t dev)
155{
156 struct stg_softc *sc = device_get_softc(dev);
157 int error;
158
159 bzero(sc, sizeof(struct stg_softc));
160
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70 error = stg_alloc_resource(dev); 71 if (error) { 72 return(error); 73 } 74
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166 if (stgprobe(dev) == 0) {
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75 if (stg_probe(dev) == 0) { |
76 stg_release_resource(dev); 77 return(ENXIO); 78 } 79 80 stg_release_resource(dev); 81 82 return(0); 83} 84 85static int 86stg_isa_attach(device_t dev) 87{ 88 struct stg_softc *sc = device_get_softc(dev); 89 int error; 90
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91 sc->port_rid = 0; 92 sc->irq_rid = 0; |
93 error = stg_alloc_resource(dev); 94 if (error) { 95 return(error); 96 } 97 98 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM | INTR_ENTROPY,
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188 stg_isa_intr, (void *)sc, &sc->stg_intrhand);
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99 stg_intr, (void *)sc, &sc->stg_intrhand); |
100 if (error) { 101 stg_release_resource(dev); 102 return(error); 103 } 104
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194 if (stgattach(dev) == 0) {
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105 if (stg_attach(dev) == 0) { |
106 stg_release_resource(dev); 107 return(ENXIO); 108 } 109 110 return(0); 111} 112
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202static void
203stg_isa_detach(device_t dev)
204{
205 stg_isa_unload(dev);
206 stg_release_resource(dev);
207}
208
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113static device_method_t stg_isa_methods[] = { 114 /* Device interface */ 115 DEVMETHOD(device_probe, stg_isa_probe), 116 DEVMETHOD(device_attach, stg_isa_attach),
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213 DEVMETHOD(device_detach, stg_isa_detach),
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117 DEVMETHOD(device_detach, stg_detach), |
118 119 { 0, 0 } 120}; 121 122static driver_t stg_isa_driver = { 123 "stg", 124 stg_isa_methods, 125 sizeof(struct stg_softc), 126}; 127
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224static devclass_t stg_devclass;
225
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128DRIVER_MODULE(stg, isa, stg_isa_driver, stg_devclass, 0, 0);
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227
228static void
229stg_isa_unload(device_t devi)
230{
231 struct stg_softc *sc = device_get_softc(devi);
232 intrmask_t s;
233
234 printf("%s: unload\n",sc->sc_sclow.sl_xname);
235 s = splcam();
236 scsi_low_deactivate((struct scsi_low_softc *)sc);
237 scsi_low_dettach(&sc->sc_sclow);
238 splx(s);
239}
240
241static int
242stgprobe(device_t devi)
243{
244 int rv;
245 struct stg_softc *sc = device_get_softc(devi);
246
247 rv = stgprobesubr(rman_get_bustag(sc->port_res),
248 rman_get_bushandle(sc->port_res),
249 device_get_flags(devi));
250
251 return rv;
252}
253
254static int
255stgattach(device_t devi)
256{
257 struct stg_softc *sc;
258 struct scsi_low_softc *slp;
259 u_int32_t flags = device_get_flags(devi);
260 u_int iobase = bus_get_resource_start(devi, SYS_RES_IOPORT, 0);
261 intrmask_t s;
262 char dvname[16];
263
264 strcpy(dvname,"stg");
265
266
267 if (iobase == 0)
268 {
269 printf("%s: no ioaddr is given\n", dvname);
270 return (0);
271 }
272
273 sc = device_get_softc(devi);
274 if (sc == NULL) {
275 return(0);
276 }
277
278 slp = &sc->sc_sclow;
279 slp->sl_dev = devi;
280 sc->sc_iot = rman_get_bustag(sc->port_res);
281 sc->sc_ioh = rman_get_bushandle(sc->port_res);
282
283 slp->sl_hostid = STG_HOSTID;
284 slp->sl_cfgflags = flags;
285
286 s = splcam();
287 stgattachsubr(sc);
288 splx(s);
289
290 return(STGIOSZ);
291}
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129MODULE_DEPEND(stg, scsi_low, 1, 1, 1); |
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