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 1.2 2003/06/17 04:28:21 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 <i386/isa/isa_dma.h>
45 #include <dev/mca/mca_busreg.h>
46 #include <dev/mca/mca_busvar.h>
48 #include <dev/aha/ahareg.h>
50 static struct mca_ident aha_mca_devs[] = {
51 { 0x0f1f, "Adaptec AHA-1640 SCSI Adapter" },
55 #define AHA_MCA_IOPORT_POS MCA_ADP_POS(MCA_POS1)
56 # define AHA_MCA_IOPORT_MASK1 0x07
57 # define AHA_MCA_IOPORT_MASK2 0xc0
58 # define AHA_MCA_IOPORT_SIZE 0x03
59 # define AHA_MCA_IOPORT(pos) (0x30 + \
61 AHA_MCA_IOPORT_MASK1) << 8) + \
63 AHA_MCA_IOPORT_MASK2) >> 4))
65 #define AHA_MCA_DRQ_POS MCA_ADP_POS(MCA_POS3)
66 # define AHA_MCA_DRQ_MASK 0x0f
67 # define AHA_MCA_DRQ(pos) (pos & AHA_MCA_DRQ_MASK)
69 #define AHA_MCA_IRQ_POS MCA_ADP_POS(MCA_POS2)
70 # define AHA_MCA_IRQ_MASK 0x07
71 # define AHA_MCA_IRQ(pos) ((pos & AHA_MCA_IRQ_MASK) + 8)
74 * Not needed as the board knows its config
75 * internally and the ID will be fetched
76 * via AOP_INQUIRE_SETUP_INFO command.
78 #define AHA_MCA_SCSIID_POS MCA_ADP_POS(MCA_POS2)
79 #define AHA_MCA_SCSIID_MASK 0xe0
80 #define AHA_MCA_SCSIID(pos) ((pos & AHA_MCA_SCSIID_MASK) >> 5)
83 aha_mca_probe (device_t dev)
86 mca_id_t id = mca_get_id(dev);
93 desc = mca_match_id(id, aha_mca_devs);
96 device_set_desc(dev, desc);
98 pos = mca_pos_read(dev, AHA_MCA_IOPORT_POS);
99 iobase = AHA_MCA_IOPORT(pos);
100 iosize = AHA_MCA_IOPORT_SIZE;
102 pos = mca_pos_read(dev, AHA_MCA_DRQ_POS);
103 drq = AHA_MCA_DRQ(pos);
105 pos = mca_pos_read(dev, AHA_MCA_IRQ_POS);
106 irq = AHA_MCA_IRQ(pos);
108 mca_add_iospace(dev, iobase, iosize);
109 mca_add_drq(dev, drq);
110 mca_add_irq(dev, irq);
118 aha_mca_attach (device_t dev)
120 struct aha_softc * sc = NULL;
121 struct resource * io = NULL;
122 struct resource * irq = NULL;
123 struct resource * drq = NULL;
125 int unit = device_get_unit(dev);
130 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
131 0, ~0, 1, RF_ACTIVE);
133 device_printf(dev, "No I/O space?!\n");
139 irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
140 0, ~0, 1, RF_ACTIVE);
142 device_printf(dev, "No IRQ?!\n");
148 drq = bus_alloc_resource(dev, SYS_RES_DRQ, &rid,
149 0, ~0, 1, RF_ACTIVE);
151 device_printf(dev, "No DRQ?!\n");
156 sc = aha_alloc(unit, rman_get_bustag(io), rman_get_bushandle(io));
158 device_printf(dev, "aha_alloc() failed!\n");
163 error = aha_probe(sc);
165 device_printf(dev, "aha_probe() failed!\n");
169 error = aha_fetch_adapter_info(sc);
171 device_printf(dev, "aha_fetch_adapter_info() failed!\n");
175 isa_dmacascade(rman_get_start(drq));
177 error = bus_dma_tag_create(/* parent */ NULL,
180 BUS_SPACE_MAXADDR_24BIT,
181 /* highaddr */ BUS_SPACE_MAXADDR,
184 /* maxsize */ BUS_SPACE_MAXSIZE_24BIT,
185 /* nsegments */ BUS_SPACE_UNRESTRICTED,
186 /* maxsegsz */ BUS_SPACE_MAXSIZE_24BIT,
190 device_printf(dev, "bus_dma_tag_create() failed!\n");
194 error = aha_init(sc);
196 device_printf(dev, "aha_init() failed\n");
200 error = aha_attach(sc);
202 device_printf(dev, "aha_attach() failed\n");
206 error = bus_setup_intr(dev, irq, INTR_TYPE_CAM, aha_intr, sc, &ih);
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);