1 /*-
2 * Copyright (c) 1999 Matthew N. Dodd <winter@jurai.net>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * Based on aha_isa.c
27 */
28
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31
32 #include <sys/types.h>
33 #include <sys/param.h>
34 #include <sys/systm.h>
35 #include <sys/kernel.h>
36 #include <sys/lock.h>
37 #include <sys/mutex.h>
38
39 #include <sys/module.h>
40 #include <sys/bus.h>
41 #include <machine/bus.h>
42 #include <machine/resource.h>
43 #include <sys/rman.h>
44
45 #include <isa/isavar.h>
46
47 #include <dev/mca/mca_busreg.h>
48 #include <dev/mca/mca_busvar.h>
49
50 #include <dev/aha/ahareg.h>
51
52 static struct mca_ident aha_mca_devs[] = {
53 { 0x0f1f, "Adaptec AHA-1640 SCSI Adapter" },
54 { 0, NULL },
55 };
56
57 #define AHA_MCA_IOPORT_POS MCA_ADP_POS(MCA_POS1)
58 # define AHA_MCA_IOPORT_MASK1 0x07
59 # define AHA_MCA_IOPORT_MASK2 0xc0
60 # define AHA_MCA_IOPORT_SIZE 0x03
61 # define AHA_MCA_IOPORT(pos) (0x30 + \
62 (((uint32_t)pos & \
63 AHA_MCA_IOPORT_MASK1) << 8) + \
64 (((uint32_t)pos & \
65 AHA_MCA_IOPORT_MASK2) >> 4))
66
67 #define AHA_MCA_DRQ_POS MCA_ADP_POS(MCA_POS3)
68 # define AHA_MCA_DRQ_MASK 0x0f
69 # define AHA_MCA_DRQ(pos) (pos & AHA_MCA_DRQ_MASK)
70
71 #define AHA_MCA_IRQ_POS MCA_ADP_POS(MCA_POS2)
72 # define AHA_MCA_IRQ_MASK 0x07
73 # define AHA_MCA_IRQ(pos) ((pos & AHA_MCA_IRQ_MASK) + 8)
74
75 /*
76 * Not needed as the board knows its config
77 * internally and the ID will be fetched
78 * via AOP_INQUIRE_SETUP_INFO command.
79 */
80 #define AHA_MCA_SCSIID_POS MCA_ADP_POS(MCA_POS2)
81 #define AHA_MCA_SCSIID_MASK 0xe0
82 #define AHA_MCA_SCSIID(pos) ((pos & AHA_MCA_SCSIID_MASK) >> 5)
83
84 static int
aha_mca_probe(device_t dev)85 aha_mca_probe (device_t dev)
86 {
87 const char * desc;
88 mca_id_t id = mca_get_id(dev);
89 uint32_t iobase = 0;
90 uint32_t iosize = 0;
91 uint8_t drq = 0;
92 uint8_t irq = 0;
93 uint8_t pos;
94
95 desc = mca_match_id(id, aha_mca_devs);
96 if (!desc)
97 return (ENXIO);
98 device_set_desc(dev, desc);
99
100 pos = mca_pos_read(dev, AHA_MCA_IOPORT_POS);
101 iobase = AHA_MCA_IOPORT(pos);
102 iosize = AHA_MCA_IOPORT_SIZE;
103
104 pos = mca_pos_read(dev, AHA_MCA_DRQ_POS);
105 drq = AHA_MCA_DRQ(pos);
106
107 pos = mca_pos_read(dev, AHA_MCA_IRQ_POS);
108 irq = AHA_MCA_IRQ(pos);
109
110 mca_add_iospace(dev, iobase, iosize);
111 mca_add_drq(dev, drq);
112 mca_add_irq(dev, irq);
113
114 return (0);
115 }
116
117 static int
aha_mca_attach(device_t dev)118 aha_mca_attach (device_t dev)
119 {
120 struct aha_softc * sc = device_get_softc(dev);
121 int error = ENOMEM;
122
123 sc->portrid = 0;
124 sc->port = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &sc->portrid,
125 RF_ACTIVE);
126 if (sc->port == NULL) {
127 device_printf(dev, "No I/O space?!\n");
128 goto bad;
129 }
130
131 sc->irqrid = 0;
132 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irqrid,
133 RF_ACTIVE);
134 if (sc->irq == NULL) {
135 device_printf(dev, "No IRQ?!\n");
136 goto bad;
137 }
138
139 sc->drqrid = 0;
140 sc->drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &sc->drqrid,
141 RF_ACTIVE);
142 if (sc->drq == NULL) {
143 device_printf(dev, "No DRQ?!\n");
144 goto bad;
145 }
146
147 aha_alloc(sc);
148 error = aha_probe(sc);
149 if (error) {
150 device_printf(dev, "aha_probe() failed!\n");
151 goto bad;
152 }
153
154 error = aha_fetch_adapter_info(sc);
155 if (error) {
156 device_printf(dev, "aha_fetch_adapter_info() failed!\n");
157 goto bad;
158 }
159
160 isa_dmacascade(rman_get_start(sc->drq));
161
162 error = bus_dma_tag_create(
163 /* parent */ bus_get_dma_tag(dev),
164 /* alignemnt */ 1,
165 /* boundary */ 0,
166 /* lowaddr */ BUS_SPACE_MAXADDR_24BIT,
167 /* highaddr */ BUS_SPACE_MAXADDR,
168 /* filter */ NULL,
169 /* filterarg */ NULL,
170 /* maxsize */ BUS_SPACE_MAXSIZE_24BIT,
171 /* nsegments */ ~0,
172 /* maxsegsz */ BUS_SPACE_MAXSIZE_24BIT,
173 /* flags */ 0,
174 /* lockfunc */ NULL,
175 /* lockarg */ NULL,
176 &sc->parent_dmat);
177 if (error) {
178 device_printf(dev, "bus_dma_tag_create() failed!\n");
179 goto bad;
180 }
181
182 error = aha_init(sc);
183 if (error) {
184 device_printf(dev, "aha_init() failed\n");
185 goto bad;
186 }
187
188 error = aha_attach(sc);
189 if (error) {
190 device_printf(dev, "aha_attach() failed\n");
191 goto bad;
192 }
193
194 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_CAM | INTR_ENTROPY |
195 INTR_MPSAFE, NULL, aha_intr, sc, &sc->ih);
196 if (error) {
197 device_printf(dev, "Unable to register interrupt handler\n");
198 aha_detach(sc);
199 goto bad;
200 }
201
202 return (0);
203
204 bad:
205 aha_free(sc);
206 bus_free_resource(dev, SYS_RES_IOPORT, sc->port);
207 bus_free_resource(dev, SYS_RES_IRQ, sc->irq);
208 bus_free_resource(dev, SYS_RES_DRQ, sc->drq);
209 return (error);
210 }
211
212 static device_method_t aha_mca_methods[] = {
213 DEVMETHOD(device_probe, aha_mca_probe),
214 DEVMETHOD(device_attach, aha_mca_attach),
215
216 { 0, 0 }
217 };
218
219 static driver_t aha_mca_driver = {
220 "aha",
221 aha_mca_methods,
222 1,
223 /*
224 sizeof(struct aha_softc *),
225 */
226 };
227
228 static devclass_t aha_devclass;
229
230 DRIVER_MODULE(aha, mca, aha_mca_driver, aha_devclass, 0, 0);
231 MODULE_DEPEND(aha, mca, 1, 1, 1);
232