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
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20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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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#8 $
34 #include <dev/aic7xxx/aic7xxx_osm.h>
36 #include <dev/eisa/eisaconf.h>
39 aic7770_probe(device_t dev)
41 struct aic7770_identity *entry;
42 struct resource *regs;
44 bus_space_handle_t bsh;
53 entry = aic7770_find_device(eisa_get_id(dev));
56 device_set_desc(dev, entry->name);
58 iobase = (eisa_get_slot(dev) * EISA_SLOT_SIZE) + AHC_EISA_SLOT_OFFSET;
60 eisa_add_iospace(dev, iobase, AHC_EISA_IOSIZE, RESVADDR_NONE);
63 regs = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
66 device_printf(dev, "Unable to map I/O space?!\n");
70 tag = rman_get_bustag(regs);
71 bsh = rman_get_bushandle(regs);
74 /* Pause the card preseving the IRQ type */
75 hcntrl = bus_space_read_1(tag, bsh, HCNTRL) & IRQMS;
76 bus_space_write_1(tag, bsh, HCNTRL, hcntrl | PAUSE);
77 while ((bus_space_read_1(tag, bsh, HCNTRL) & PAUSE) == 0)
80 /* Make sure we have a valid interrupt vector */
81 intdef = bus_space_read_1(tag, bsh, INTDEF);
82 shared = (intdef & EDGE_TRIG) ? EISA_TRIGGER_EDGE : EISA_TRIGGER_LEVEL;
83 irq = intdef & VECTOR;
93 printf("aic7770 at slot %d: illegal irq setting %d\n",
94 eisa_get_slot(dev), intdef);
99 eisa_add_intr(dev, irq, shared);
101 bus_release_resource(dev, SYS_RES_IOPORT, rid, regs);
106 aic7770_attach(device_t dev)
108 struct aic7770_identity *entry;
109 struct ahc_softc *ahc;
113 entry = aic7770_find_device(eisa_get_id(dev));
118 * Allocate a softc for this card and
119 * set it up for attachment by our
120 * common detect routine.
122 name = malloc(strlen(device_get_nameunit(dev)) + 1, M_DEVBUF, M_NOWAIT);
125 strcpy(name, device_get_nameunit(dev));
126 ahc = ahc_alloc(dev, name);
130 ahc_set_unit(ahc, device_get_unit(dev));
132 /* Allocate a dmatag for our SCB DMA maps */
133 /* XXX Should be a child of the PCI bus dma tag */
134 error = bus_dma_tag_create(/*parent*/NULL, /*alignment*/1,
136 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
137 /*highaddr*/BUS_SPACE_MAXADDR,
138 /*filter*/NULL, /*filterarg*/NULL,
139 /*maxsize*/MAXBSIZE, /*nsegments*/AHC_NSEG,
140 /*maxsegsz*/AHC_MAXTRANSFER_SIZE,
141 /*flags*/BUS_DMA_ALLOCNOW,
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 static devclass_t ahc_eisa_devclass;
213 DRIVER_MODULE(ahc_eisa, eisa, ahc_eisa_driver, ahc_eisa_devclass, 0, 0);
214 MODULE_DEPEND(ahc_eisa, ahc, 1, 1, 1);
215 MODULE_VERSION(ahc_eisa, 1);