2 * Copyright (c) 1997, 2000 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/dpt/dpt_eisa.c,v 1.12.2.1 2000/08/07 18:48:14 peter Exp $
27 * $DragonFly: src/sys/dev/raid/dpt/dpt_eisa.c,v 1.3 2003/08/07 21:17:08 dillon Exp $
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
33 #include <sys/module.h>
36 #include <machine/bus_pio.h>
37 #include <machine/bus.h>
38 #include <machine/resource.h>
41 #include <bus/eisa/eisaconf.h>
43 #include <bus/cam/scsi/scsi_all.h>
47 #define DPT_EISA_IOSIZE 0x100
48 #define DPT_EISA_SLOT_OFFSET 0x0c00
49 #define DPT_EISA_EATA_REG_OFFSET 0x0088
51 #define DPT_EISA_DPT2402 0x12142402 /* DPT PM2012A/9X */
52 #define DPT_EISA_DPTA401 0x1214A401 /* DPT PM2012B/9X */
53 #define DPT_EISA_DPTA402 0x1214A402 /* DPT PM2012B2/9X */
54 #define DPT_EISA_DPTA410 0x1214A410 /* DPT PM2x22A/9X */
55 #define DPT_EISA_DPTA411 0x1214A411 /* DPT Spectre */
56 #define DPT_EISA_DPTA412 0x1214A412 /* DPT PM2021A/9X */
57 #define DPT_EISA_DPTA420 0x1214A420 /* DPT Smart Cache IV (PM2042) */
58 #define DPT_EISA_DPTA501 0x1214A501 /* DPT PM2012B1/9X" */
59 #define DPT_EISA_DPTA502 0x1214A502 /* DPT PM2012Bx/9X */
60 #define DPT_EISA_DPTA701 0x1214A701 /* DPT PM2011B1/9X */
61 #define DPT_EISA_DPTBC01 0x1214BC01 /* DPT PM3011/7X ESDI */
62 #define DPT_EISA_DPT8200 0x12148200 /* NEC EATA SCSI */
63 #define DPT_EISA_DPT2408 0x12142408 /* ATT EATA SCSI */
65 /* Function Prototypes */
67 static const char * dpt_eisa_match (eisa_id_t);
68 static int dpt_eisa_probe (device_t);
69 static int dpt_eisa_attach (device_t);
73 dpt_eisa_probe (device_t dev)
79 desc = dpt_eisa_match(eisa_get_id(dev));
82 device_set_desc(dev, desc);
84 io_base = (eisa_get_slot(dev) * EISA_SLOT_SIZE) + DPT_EISA_SLOT_OFFSET;
86 conf = dpt_pio_get_conf(io_base + DPT_EISA_EATA_REG_OFFSET);
88 printf("dpt: dpt_pio_get_conf() failed.\n");
92 eisa_add_iospace(dev, io_base, DPT_EISA_IOSIZE, RESVADDR_NONE);
93 eisa_add_intr(dev, conf->IRQ,
94 (conf->IRQ_TR ? EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE));
100 dpt_eisa_attach (device_t dev)
103 struct resource *io = 0;
104 struct resource *irq = 0;
111 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE);
113 device_printf(dev, "No I/O space?!\n");
119 irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_ACTIVE);
121 device_printf(dev, "No irq?!\n");
126 dpt = dpt_alloc(dev, rman_get_bustag(io),
127 rman_get_bushandle(io) + DPT_EISA_EATA_REG_OFFSET);
133 /* Allocate a dmatag representing the capabilities of this attachment */
134 /* XXX Should be a child of the EISA bus dma tag */
135 if (bus_dma_tag_create( /* parent */ NULL,
138 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT,
139 /* highaddr */ BUS_SPACE_MAXADDR,
141 /* filterarg */ NULL,
142 /* maxsize */ BUS_SPACE_MAXSIZE_32BIT,
143 /* nsegments */ BUS_SPACE_UNRESTRICTED,
144 /* maxsegsz */ BUS_SPACE_MAXSIZE_32BIT,
146 &dpt->parent_dmat) != 0) {
154 if (dpt_init(dpt) != 0) {
160 /* Register with the XPT */
165 if (bus_setup_intr(dev, irq, INTR_TYPE_CAM, dpt_intr, dpt, &ih)) {
166 device_printf(dev, "Unable to register interrupt handler\n");
175 bus_release_resource(dev, SYS_RES_IOPORT, 0, io);
177 bus_release_resource(dev, SYS_RES_IRQ, 0, irq);
187 case DPT_EISA_DPT2402:
188 case DPT_EISA_DPTA401:
189 case DPT_EISA_DPTA402:
190 case DPT_EISA_DPTA410:
191 case DPT_EISA_DPTA411:
192 case DPT_EISA_DPTA412:
193 case DPT_EISA_DPTA420:
194 case DPT_EISA_DPTA501:
195 case DPT_EISA_DPTA502:
196 case DPT_EISA_DPTA701:
197 case DPT_EISA_DPTBC01:
198 case DPT_EISA_DPT8200:
199 case DPT_EISA_DPT2408:
200 return ("DPT SCSI Host Bus Adapter");
209 static device_method_t dpt_eisa_methods[] = {
210 /* Device interface */
211 DEVMETHOD(device_probe, dpt_eisa_probe),
212 DEVMETHOD(device_attach, dpt_eisa_attach),
217 static driver_t dpt_eisa_driver = {
223 static devclass_t dpt_devclass;
225 DRIVER_MODULE(dpt, eisa, dpt_eisa_driver, dpt_devclass, 0, 0);