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/*
* FreeBSD, EISA product support functions
*
*
* Copyright (c) 1994-1998, 2000, 2001 Justin T. Gibbs.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice immediately at the beginning of the file, without modification,
* this list of conditions, and the following disclaimer.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: //depot/aic7xxx/freebsd/dev/aic7xxx/ahc_eisa.c#11 $
*
* $FreeBSD$
*/
#include <dev/aic7xxx/aic7xxx_osm.h>
#include <dev/eisa/eisaconf.h>
static int
aic7770_probe(device_t dev)
{
struct aic7770_identity *entry;
struct resource *regs;
uint32_t iobase;
bus_space_handle_t bsh;
bus_space_tag_t tag;
u_int irq;
u_int intdef;
u_int hcntrl;
int shared;
int rid;
int error;
entry = aic7770_find_device(eisa_get_id(dev));
if (entry == NULL)
return (ENXIO);
device_set_desc(dev, entry->name);
iobase = (eisa_get_slot(dev) * EISA_SLOT_SIZE) + AHC_EISA_SLOT_OFFSET;
eisa_add_iospace(dev, iobase, AHC_EISA_IOSIZE, RESVADDR_NONE);
rid = 0;
regs = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
0, ~0, 1, RF_ACTIVE);
if (regs == NULL) {
device_printf(dev, "Unable to map I/O space?!\n");
return ENOMEM;
}
tag = rman_get_bustag(regs);
bsh = rman_get_bushandle(regs);
error = 0;
/* Pause the card preseving the IRQ type */
hcntrl = bus_space_read_1(tag, bsh, HCNTRL) & IRQMS;
bus_space_write_1(tag, bsh, HCNTRL, hcntrl | PAUSE);
while ((bus_space_read_1(tag, bsh, HCNTRL) & PAUSE) == 0)
;
/* Make sure we have a valid interrupt vector */
intdef = bus_space_read_1(tag, bsh, INTDEF);
shared = (intdef & EDGE_TRIG) ? EISA_TRIGGER_EDGE : EISA_TRIGGER_LEVEL;
irq = intdef & VECTOR;
switch (irq) {
case 9:
case 10:
case 11:
case 12:
case 14:
case 15:
break;
default:
printf("aic7770 at slot %d: illegal irq setting %d\n",
eisa_get_slot(dev), intdef);
error = ENXIO;
}
if (error == 0)
eisa_add_intr(dev, irq, shared);
bus_release_resource(dev, SYS_RES_IOPORT, rid, regs);
return (error);
}
static int
aic7770_attach(device_t dev)
{
struct aic7770_identity *entry;
struct ahc_softc *ahc;
char *name;
int error;
entry = aic7770_find_device(eisa_get_id(dev));
if (entry == NULL)
return (ENXIO);
/*
* Allocate a softc for this card and
* set it up for attachment by our
* common detect routine.
*/
name = malloc(strlen(device_get_nameunit(dev)) + 1, M_DEVBUF, M_NOWAIT);
if (name == NULL)
return (ENOMEM);
strcpy(name, device_get_nameunit(dev));
ahc = ahc_alloc(dev, name);
if (ahc == NULL)
return (ENOMEM);
ahc_set_unit(ahc, device_get_unit(dev));
/* Allocate a dmatag for our SCB DMA maps */
/* XXX Should be a child of the PCI bus dma tag */
error = bus_dma_tag_create(/*parent*/NULL, /*alignment*/1,
/*boundary*/0,
/*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
/*highaddr*/BUS_SPACE_MAXADDR,
/*filter*/NULL, /*filterarg*/NULL,
/*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
/*nsegments*/AHC_NSEG,
/*maxsegsz*/AHC_MAXTRANSFER_SIZE,
/*flags*/0,
&ahc->parent_dmat);
if (error != 0) {
printf("ahc_eisa_attach: Could not allocate DMA tag "
"- error %d\n", error);
ahc_free(ahc);
return (ENOMEM);
}
ahc->dev_softc = dev;
error = aic7770_config(ahc, entry, /*unused ioport arg*/0);
if (error != 0) {
ahc_free(ahc);
return (error);
}
ahc_attach(ahc);
return (0);
}
int
aic7770_map_registers(struct ahc_softc *ahc, u_int unused_ioport_arg)
{
struct resource *regs;
int rid;
rid = 0;
regs = bus_alloc_resource(ahc->dev_softc, SYS_RES_IOPORT,
&rid, 0, ~0, 1, RF_ACTIVE);
if (regs == NULL) {
device_printf(ahc->dev_softc, "Unable to map I/O space?!\n");
return ENOMEM;
}
ahc->platform_data->regs_res_type = SYS_RES_IOPORT;
ahc->platform_data->regs_res_id = rid,
ahc->platform_data->regs = regs;
ahc->tag = rman_get_bustag(regs);
ahc->bsh = rman_get_bushandle(regs);
return (0);
}
int
aic7770_map_int(struct ahc_softc *ahc, int irq)
{
int zero;
zero = 0;
ahc->platform_data->irq =
bus_alloc_resource(ahc->dev_softc, SYS_RES_IRQ, &zero,
0, ~0, 1, RF_ACTIVE);
if (ahc->platform_data->irq == NULL)
return (ENOMEM);
ahc->platform_data->irq_res_type = SYS_RES_IRQ;
return (ahc_map_int(ahc));
}
static device_method_t ahc_eisa_device_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, aic7770_probe),
DEVMETHOD(device_attach, aic7770_attach),
DEVMETHOD(device_detach, ahc_detach),
{ 0, 0 }
};
static driver_t ahc_eisa_driver = {
"ahc",
ahc_eisa_device_methods,
sizeof(struct ahc_softc)
};
DRIVER_MODULE(ahc_eisa, eisa, ahc_eisa_driver, ahc_devclass, 0, 0);
MODULE_DEPEND(ahc_eisa, ahc, 1, 1, 1);
MODULE_VERSION(ahc_eisa, 1);
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