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: head/sys/dev/aha/aha_mca.c 122361 2003-11-09 19:51:16Z imp $");
31
32#include <sys/types.h>
33#include <sys/param.h>
34#include <sys/kernel.h>
35#include <sys/lock.h>
36#include <sys/mutex.h>
37
38#include <sys/module.h>
39#include <sys/bus.h>
40#include <machine/bus.h>
41#include <machine/resource.h>
42#include <sys/rman.h>
43
44#include <i386/isa/isa_dma.h>
45
46#include <dev/mca/mca_busreg.h>
47#include <dev/mca/mca_busvar.h>
48
49#include <dev/aha/ahareg.h>
50
51static struct mca_ident aha_mca_devs[] = {
52 { 0x0f1f, "Adaptec AHA-1640 SCSI Adapter" },
53 { 0, NULL },
54};
55
56#define AHA_MCA_IOPORT_POS MCA_ADP_POS(MCA_POS1)
57# define AHA_MCA_IOPORT_MASK1 0x07
58# define AHA_MCA_IOPORT_MASK2 0xc0
59# define AHA_MCA_IOPORT_SIZE 0x03
60# define AHA_MCA_IOPORT(pos) (0x30 + \
61 (((uint32_t)pos & \
62 AHA_MCA_IOPORT_MASK1) << 8) + \
63 (((uint32_t)pos & \
64 AHA_MCA_IOPORT_MASK2) >> 4))
65
66#define AHA_MCA_DRQ_POS MCA_ADP_POS(MCA_POS3)
67# define AHA_MCA_DRQ_MASK 0x0f
68# define AHA_MCA_DRQ(pos) (pos & AHA_MCA_DRQ_MASK)
69
70#define AHA_MCA_IRQ_POS MCA_ADP_POS(MCA_POS2)
71# define AHA_MCA_IRQ_MASK 0x07
72# define AHA_MCA_IRQ(pos) ((pos & AHA_MCA_IRQ_MASK) + 8)
73
74/*
75 * Not needed as the board knows its config
76 * internally and the ID will be fetched
77 * via AOP_INQUIRE_SETUP_INFO command.
78 */
79#define AHA_MCA_SCSIID_POS MCA_ADP_POS(MCA_POS2)
80#define AHA_MCA_SCSIID_MASK 0xe0
81#define AHA_MCA_SCSIID(pos) ((pos & AHA_MCA_SCSIID_MASK) >> 5)
82
83static int
84aha_mca_probe (device_t dev)
85{
86 const char * desc;
87 mca_id_t id = mca_get_id(dev);
88 uint32_t iobase = 0;
89 uint32_t iosize = 0;
90 uint8_t drq = 0;
91 uint8_t irq = 0;
92 uint8_t pos;
93
94 desc = mca_match_id(id, aha_mca_devs);
95 if (!desc)
96 return (ENXIO);
97 device_set_desc(dev, desc);
98
99 pos = mca_pos_read(dev, AHA_MCA_IOPORT_POS);
100 iobase = AHA_MCA_IOPORT(pos);
101 iosize = AHA_MCA_IOPORT_SIZE;
102
103 pos = mca_pos_read(dev, AHA_MCA_DRQ_POS);
104 drq = AHA_MCA_DRQ(pos);
105
106 pos = mca_pos_read(dev, AHA_MCA_IRQ_POS);
107 irq = AHA_MCA_IRQ(pos);
108
109 mca_add_iospace(dev, iobase, iosize);
110 mca_add_drq(dev, drq);
111 mca_add_irq(dev, irq);
112
113 return (0);
114}
115
116static int
117aha_mca_attach (device_t dev)
118{
119 struct aha_softc * sc = device_get_softc(dev);
120 struct resource * io = NULL;
121 struct resource * irq = NULL;
122 struct resource * drq = NULL;
123 int error = 0;
124 int unit = device_get_unit(dev);
125 int rid;
126 void * ih;
127
128 rid = 0;
129 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
130 0, ~0, 1, RF_ACTIVE);
131 if (!io) {
132 device_printf(dev, "No I/O space?!\n");
133 error = ENOMEM;
134 goto bad;
135 }
136
137 rid = 0;
138 irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
139 0, ~0, 1, RF_ACTIVE);
140 if (irq == NULL) {
141 device_printf(dev, "No IRQ?!\n");
142 error = ENOMEM;
143 goto bad;
144 }
145
146 rid = 0;
147 drq = bus_alloc_resource(dev, SYS_RES_DRQ, &rid,
148 0, ~0, 1, RF_ACTIVE);
149 if (drq == NULL) {
150 device_printf(dev, "No DRQ?!\n");
151 error = ENOMEM;
152 goto bad;
153 }
154
155 aha_alloc(sc, unit, rman_get_bustag(io), rman_get_bushandle(io));
156 error = aha_probe(sc);
157 if (error) {
158 device_printf(dev, "aha_probe() failed!\n");
159 goto bad;
160 }
161
162 error = aha_fetch_adapter_info(sc);
163 if (error) {
164 device_printf(dev, "aha_fetch_adapter_info() failed!\n");
165 goto bad;
166 }
167
168 isa_dmacascade(rman_get_start(drq));
169
170 error = bus_dma_tag_create(
171 /* parent */ NULL,
172 /* alignemnt */ 1,
173 /* boundary */ 0,
174 /* lowaddr */ BUS_SPACE_MAXADDR_24BIT,
175 /* highaddr */ BUS_SPACE_MAXADDR,
176 /* filter */ NULL,
177 /* filterarg */ NULL,
178 /* maxsize */ BUS_SPACE_MAXSIZE_24BIT,
179 /* nsegments */ ~0,
180 /* maxsegsz */ BUS_SPACE_MAXSIZE_24BIT,
181 /* flags */ 0,
182 /* lockfunc */ busdma_lock_mutex,
183 /* lockarg */ &Giant,
184 &sc->parent_dmat);
185 if (error) {
186 device_printf(dev, "bus_dma_tag_create() failed!\n");
187 goto bad;
188 }
189
190 error = aha_init(sc);
191 if (error) {
192 device_printf(dev, "aha_init() failed\n");
193 goto bad;
194 }
195
196 error = aha_attach(sc);
197 if (error) {
198 device_printf(dev, "aha_attach() failed\n");
199 goto bad;
200 }
201
202 error = bus_setup_intr(dev, irq, INTR_TYPE_CAM|INTR_ENTROPY, aha_intr, sc, &ih);
203 if (error) {
204 device_printf(dev, "Unable to register interrupt handler\n");
205 goto bad;
206 }
207
208 return (0);
209
210bad:
211 aha_free(sc);
212
213 if (io)
214 bus_release_resource(dev, SYS_RES_IOPORT, 0, io);
215 if (irq)
216 bus_release_resource(dev, SYS_RES_IRQ, 0, irq);
217 if (drq)
218 bus_release_resource(dev, SYS_RES_DRQ, 0, drq);
219
220 return (error);
221}
222
223static device_method_t aha_mca_methods[] = {
224 DEVMETHOD(device_probe, aha_mca_probe),
225 DEVMETHOD(device_attach, aha_mca_attach),
226
227 { 0, 0 }
228};
229
230static driver_t aha_mca_driver = {
231 "aha",
232 aha_mca_methods,
233 1,
234/*
235 sizeof(struct aha_softc *),
236 */
237};
238
239static devclass_t aha_devclass;
240
241DRIVER_MODULE(aha, mca, aha_mca_driver, aha_devclass, 0, 0);