2 * Copyright (c) 1999 Matthew N. Dodd <winter@jurai.net>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
26 * $FreeBSD: src/sys/dev/aha/aha_mca.c,v 1.2 2000/01/24 07:08:40 imp Exp $
27 * $DragonFly: src/sys/dev/disk/aha/Attic/aha_mca.c,v 1.4 2005/05/24 20:58:59 dillon Exp $
32 #include <sys/types.h>
33 #include <sys/param.h>
34 #include <sys/systm.h>
35 #include <sys/kernel.h>
37 #include <sys/module.h>
39 #include <machine/bus.h>
40 #include <machine/resource.h>
43 #include <bus/isa/i386/isa_dma.h>
44 #include <bus/mca/mca_busreg.h>
45 #include <bus/mca/mca_busvar.h>
49 static struct mca_ident aha_mca_devs[] = {
50 { 0x0f1f, "Adaptec AHA-1640 SCSI Adapter" },
54 #define AHA_MCA_IOPORT_POS MCA_ADP_POS(MCA_POS1)
55 # define AHA_MCA_IOPORT_MASK1 0x07
56 # define AHA_MCA_IOPORT_MASK2 0xc0
57 # define AHA_MCA_IOPORT_SIZE 0x03
58 # define AHA_MCA_IOPORT(pos) (0x30 + \
60 AHA_MCA_IOPORT_MASK1) << 8) + \
62 AHA_MCA_IOPORT_MASK2) >> 4))
64 #define AHA_MCA_DRQ_POS MCA_ADP_POS(MCA_POS3)
65 # define AHA_MCA_DRQ_MASK 0x0f
66 # define AHA_MCA_DRQ(pos) (pos & AHA_MCA_DRQ_MASK)
68 #define AHA_MCA_IRQ_POS MCA_ADP_POS(MCA_POS2)
69 # define AHA_MCA_IRQ_MASK 0x07
70 # define AHA_MCA_IRQ(pos) ((pos & AHA_MCA_IRQ_MASK) + 8)
73 * Not needed as the board knows its config
74 * internally and the ID will be fetched
75 * via AOP_INQUIRE_SETUP_INFO command.
77 #define AHA_MCA_SCSIID_POS MCA_ADP_POS(MCA_POS2)
78 #define AHA_MCA_SCSIID_MASK 0xe0
79 #define AHA_MCA_SCSIID(pos) ((pos & AHA_MCA_SCSIID_MASK) >> 5)
82 aha_mca_probe (device_t dev)
85 mca_id_t id = mca_get_id(dev);
92 desc = mca_match_id(id, aha_mca_devs);
95 device_set_desc(dev, desc);
97 pos = mca_pos_read(dev, AHA_MCA_IOPORT_POS);
98 iobase = AHA_MCA_IOPORT(pos);
99 iosize = AHA_MCA_IOPORT_SIZE;
101 pos = mca_pos_read(dev, AHA_MCA_DRQ_POS);
102 drq = AHA_MCA_DRQ(pos);
104 pos = mca_pos_read(dev, AHA_MCA_IRQ_POS);
105 irq = AHA_MCA_IRQ(pos);
107 mca_add_iospace(dev, iobase, iosize);
108 mca_add_drq(dev, drq);
109 mca_add_irq(dev, irq);
117 aha_mca_attach (device_t dev)
119 struct aha_softc * sc = NULL;
120 struct resource * io = NULL;
121 struct resource * irq = NULL;
122 struct resource * drq = NULL;
124 int unit = device_get_unit(dev);
129 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
130 0, ~0, 1, RF_ACTIVE);
132 device_printf(dev, "No I/O space?!\n");
138 irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
139 0, ~0, 1, RF_ACTIVE);
141 device_printf(dev, "No IRQ?!\n");
147 drq = bus_alloc_resource(dev, SYS_RES_DRQ, &rid,
148 0, ~0, 1, RF_ACTIVE);
150 device_printf(dev, "No DRQ?!\n");
155 sc = aha_alloc(unit, rman_get_bustag(io), rman_get_bushandle(io));
157 device_printf(dev, "aha_alloc() failed!\n");
162 error = aha_probe(sc);
164 device_printf(dev, "aha_probe() failed!\n");
168 error = aha_fetch_adapter_info(sc);
170 device_printf(dev, "aha_fetch_adapter_info() failed!\n");
174 isa_dmacascade(rman_get_start(drq));
176 error = bus_dma_tag_create(/* parent */ NULL,
179 BUS_SPACE_MAXADDR_24BIT,
180 /* highaddr */ BUS_SPACE_MAXADDR,
183 /* maxsize */ BUS_SPACE_MAXSIZE_24BIT,
184 /* nsegments */ BUS_SPACE_UNRESTRICTED,
185 /* maxsegsz */ BUS_SPACE_MAXSIZE_24BIT,
189 device_printf(dev, "bus_dma_tag_create() failed!\n");
193 error = aha_init(sc);
195 device_printf(dev, "aha_init() failed\n");
199 error = aha_attach(sc);
201 device_printf(dev, "aha_attach() failed\n");
205 error = bus_setup_intr(dev, irq, INTR_TYPE_CAM, aha_intr, sc,
208 device_printf(dev, "Unable to register interrupt handler\n");
218 bus_release_resource(dev, SYS_RES_IOPORT, 0, io);
220 bus_release_resource(dev, SYS_RES_IRQ, 0, irq);
222 bus_release_resource(dev, SYS_RES_DRQ, 0, drq);
227 static device_method_t aha_mca_methods[] = {
228 DEVMETHOD(device_probe, aha_mca_probe),
229 DEVMETHOD(device_attach, aha_mca_attach),
234 static driver_t aha_mca_driver = {
239 sizeof(struct aha_softc *),
243 static devclass_t aha_devclass;
245 DRIVER_MODULE(aha, mca, aha_mca_driver, aha_devclass, 0, 0);