2 * FreeBSD, EISA product support functions
5 * Copyright (c) 1994-1998, 2000, 2001 Justin T. Gibbs.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice immediately at the beginning of the file, without modification,
13 * this list of conditions, and the following disclaimer.
14 * 2. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * $Id: //depot/aic7xxx/freebsd/dev/aic7xxx/ahc_eisa.c#11 $
31 * $FreeBSD: src/sys/dev/aic7xxx/ahc_eisa.c,v 1.15.2.11 2003/06/10 03:26:07 gibbs Exp $
32 * $DragonFly: src/sys/dev/disk/aic7xxx/ahc_eisa.c,v 1.4 2004/03/15 01:10:42 dillon Exp $
35 #include "aic7xxx_osm.h"
37 #include <bus/eisa/eisaconf.h>
40 aic7770_probe(device_t dev)
42 struct aic7770_identity *entry;
43 struct resource *regs;
45 bus_space_handle_t bsh;
54 entry = aic7770_find_device(eisa_get_id(dev));
57 device_set_desc(dev, entry->name);
59 iobase = (eisa_get_slot(dev) * EISA_SLOT_SIZE) + AHC_EISA_SLOT_OFFSET;
61 eisa_add_iospace(dev, iobase, AHC_EISA_IOSIZE, RESVADDR_NONE);
64 regs = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
67 device_printf(dev, "Unable to map I/O space?!\n");
71 tag = rman_get_bustag(regs);
72 bsh = rman_get_bushandle(regs);
75 /* Pause the card preseving the IRQ type */
76 hcntrl = bus_space_read_1(tag, bsh, HCNTRL) & IRQMS;
77 bus_space_write_1(tag, bsh, HCNTRL, hcntrl | PAUSE);
78 while ((bus_space_read_1(tag, bsh, HCNTRL) & PAUSE) == 0)
81 /* Make sure we have a valid interrupt vector */
82 intdef = bus_space_read_1(tag, bsh, INTDEF);
83 shared = (intdef & EDGE_TRIG) ? EISA_TRIGGER_EDGE : EISA_TRIGGER_LEVEL;
84 irq = intdef & VECTOR;
94 printf("aic7770 at slot %d: illegal irq setting %d\n",
95 eisa_get_slot(dev), intdef);
100 eisa_add_intr(dev, irq, shared);
102 bus_release_resource(dev, SYS_RES_IOPORT, rid, regs);
107 aic7770_attach(device_t dev)
109 struct aic7770_identity *entry;
110 struct ahc_softc *ahc;
114 entry = aic7770_find_device(eisa_get_id(dev));
119 * Allocate a softc for this card and
120 * set it up for attachment by our
121 * common detect routine.
123 name = malloc(strlen(device_get_nameunit(dev)) + 1, M_DEVBUF, M_WAITOK);
124 strcpy(name, device_get_nameunit(dev));
125 ahc = ahc_alloc(dev, name);
129 ahc_set_unit(ahc, device_get_unit(dev));
131 /* Allocate a dmatag for our SCB DMA maps */
132 /* XXX Should be a child of the PCI bus dma tag */
133 error = bus_dma_tag_create(/*parent*/NULL, /*alignment*/1,
135 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
136 /*highaddr*/BUS_SPACE_MAXADDR,
137 /*filter*/NULL, /*filterarg*/NULL,
138 /*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
139 /*nsegments*/AHC_NSEG,
140 /*maxsegsz*/AHC_MAXTRANSFER_SIZE,
145 printf("ahc_eisa_attach: Could not allocate DMA tag "
146 "- error %d\n", error);
150 ahc->dev_softc = dev;
151 error = aic7770_config(ahc, entry, /*unused ioport arg*/0);
162 aic7770_map_registers(struct ahc_softc *ahc, u_int unused_ioport_arg)
164 struct resource *regs;
168 regs = bus_alloc_resource(ahc->dev_softc, SYS_RES_IOPORT,
169 &rid, 0, ~0, 1, RF_ACTIVE);
171 device_printf(ahc->dev_softc, "Unable to map I/O space?!\n");
174 ahc->platform_data->regs_res_type = SYS_RES_IOPORT;
175 ahc->platform_data->regs_res_id = rid,
176 ahc->platform_data->regs = regs;
177 ahc->tag = rman_get_bustag(regs);
178 ahc->bsh = rman_get_bushandle(regs);
183 aic7770_map_int(struct ahc_softc *ahc, int irq)
188 ahc->platform_data->irq =
189 bus_alloc_resource(ahc->dev_softc, SYS_RES_IRQ, &zero,
190 0, ~0, 1, RF_ACTIVE);
191 if (ahc->platform_data->irq == NULL)
193 ahc->platform_data->irq_res_type = SYS_RES_IRQ;
194 return (ahc_map_int(ahc));
197 static device_method_t ahc_eisa_device_methods[] = {
198 /* Device interface */
199 DEVMETHOD(device_probe, aic7770_probe),
200 DEVMETHOD(device_attach, aic7770_attach),
201 DEVMETHOD(device_detach, ahc_detach),
205 static driver_t ahc_eisa_driver = {
207 ahc_eisa_device_methods,
208 sizeof(struct ahc_softc)
211 DRIVER_MODULE(ahc_eisa, eisa, ahc_eisa_driver, ahc_devclass, 0, 0);
212 MODULE_DEPEND(ahc_eisa, ahc, 1, 1, 1);
213 MODULE_VERSION(ahc_eisa, 1);