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freebsd/sys/i4b/layer1/isa_isic.c
Peter Wemm c3aac50f28 $Id$ -> $FreeBSD$
1999-08-28 01:08:13 +00:00

837 lines
23 KiB
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/*
* Copyright (c) 1997, 1998 Martin Husemann. 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, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
* 4. Altered versions must be plainly marked as such, and must not be
* misrepresented as being the original software and/or documentation.
*
* 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.
*
*---------------------------------------------------------------------------
*
* isa_isic.c - ISA bus frontend for i4b_isic driver
* --------------------------------------------------
*
* $FreeBSD$
*
* last edit-date: [Mon Jul 19 16:39:02 1999]
*
* -mh original implementation
* -hm NetBSD patches from Martin
*
*---------------------------------------------------------------------------*/
#include <sys/types.h>
#include <sys/param.h>
#include <sys/errno.h>
#include <sys/syslog.h>
#include <sys/device.h>
#include <sys/socket.h>
#include <net/if.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <machine/cpu.h>
#include <machine/intr.h>
#include <machine/bus.h>
#include <dev/isa/isavar.h>
#ifdef __FreeBSD__
#include <machine/i4b_ioctl.h>
#else
#include <i4b/i4b_ioctl.h>
#endif
#include <i4b/layer1/i4b_l1.h>
#if defined(__OpenBSD__)
#define __BROKEN_INDIRECT_CONFIG
#endif
/* local functions */
#ifdef __BROKEN_INDIRECT_CONFIG
static int isa_isic_probe __P((struct device *, void *, void *));
#else
static int isa_isic_probe __P((struct device *, struct cfdata *, void *));
#endif
static void isa_isic_attach __P((struct device *, struct device *, void *));
static int setup_io_map __P((int flags, bus_space_tag_t iot,
bus_space_tag_t memt, bus_size_t iobase, bus_size_t maddr,
int *num_mappings, struct isic_io_map *maps, int *iosize,
int *msize));
static void args_unmap __P((int *num_mappings, struct isic_io_map *maps));
struct cfattach isa_isic_ca = {
sizeof(struct isic_softc), isa_isic_probe, isa_isic_attach
};
/*
* Probe card
*/
static int
#ifdef __BROKEN_INDIRECT_CONFIG
isa_isic_probe(parent, match, aux)
#else
isa_isic_probe(parent, cf, aux)
#endif
struct device *parent;
#ifdef __BROKEN_INDIRECT_CONFIG
void *match;
#else
struct cfdata *cf;
#endif
void *aux;
{
#ifdef __BROKEN_INDIRECT_CONFIG
struct cfdata *cf = ((struct device*)match)->dv_cfdata;
#endif
struct isa_attach_args *ia = aux;
bus_space_tag_t memt = ia->ia_memt, iot = ia->ia_iot;
int flags = cf->cf_flags;
struct isic_attach_args args;
int ret = 0;
#if 0
printf("isic%d: enter isa_isic_probe\n", cf->cf_unit);
#endif
/* check irq */
if (ia->ia_irq == IRQUNK) {
printf("isic%d: config error: no IRQ specified\n", cf->cf_unit);
return 0;
}
/* setup MI attach args */
bzero(&args, sizeof(args));
args.ia_flags = flags;
/* if card type specified setup io map for that card */
switch(flags)
{
case FLAG_TELES_S0_8:
case FLAG_TELES_S0_16:
case FLAG_TELES_S0_163:
case FLAG_AVM_A1:
case FLAG_USR_ISDN_TA_INT:
case FLAG_ITK_IX1:
if (setup_io_map(flags, iot, memt, ia->ia_iobase, ia->ia_maddr,
&args.ia_num_mappings, &args.ia_maps[0],
&(ia->ia_iosize), &ia->ia_msize)) {
ret = 0;
goto done;
}
break;
default:
/* no io map now, will figure card type later */
break;
}
/* probe card */
switch(flags)
{
#ifdef DYNALINK
case FLAG_DYNALINK:
ret = isic_probe_Dyn(&args);
break;
#endif
#ifdef TEL_S0_8
case FLAG_TELES_S0_8:
ret = isic_probe_s08(&args);
break;
#endif
#ifdef TEL_S0_16
case FLAG_TELES_S0_16:
ret = isic_probe_s016(&args);
break;
#endif
#ifdef TEL_S0_16_3
case FLAG_TELES_S0_163:
ret = isic_probe_s0163(&args);
break;
#endif
#ifdef AVM_A1
case FLAG_AVM_A1:
ret = isic_probe_avma1(&args);
break;
#endif
#ifdef USR_STI
case FLAG_USR_ISDN_TA_INT:
ret = isic_probe_usrtai(&args);
break;
#endif
#ifdef ITKIX1
case FLAG_ITK_IX1:
ret = isic_probe_itkix1(&args);
break;
#endif
default:
/* No card type given, try to figure ... */
if (ia->ia_iobase == IOBASEUNK) {
ret = 0;
#ifdef TEL_S0_8
/* only Teles S0/8 will work without IO */
args.ia_flags = FLAG_TELES_S0_8;
if (setup_io_map(args.ia_flags, iot, memt, ia->ia_iobase, ia->ia_maddr,
&args.ia_num_mappings, &args.ia_maps[0],
&(ia->ia_iosize), &(ia->ia_msize)) == 0)
{
ret = isic_probe_s08(&args);
}
#endif /* TEL_S0_8 */
} else if (ia->ia_maddr == MADDRUNK) {
ret = 0;
#ifdef TEL_S0_16_3
/* no shared memory, only a 16.3 based card,
AVM A1, the usr sportster or an ITK would work */
args.ia_flags = FLAG_TELES_S0_163;
if (setup_io_map(args.ia_flags, iot, memt, ia->ia_iobase, ia->ia_maddr,
&args.ia_num_mappings, &args.ia_maps[0],
&(ia->ia_iosize), &(ia->ia_msize)) == 0)
{
ret = isic_probe_s0163(&args);
if (ret)
break;
}
#endif /* TEL_S0_16_3 */
#ifdef AVM_A1
args_unmap(&args.ia_num_mappings, &args.ia_maps[0]);
args.ia_flags = FLAG_AVM_A1;
if (setup_io_map(args.ia_flags, iot, memt, ia->ia_iobase, ia->ia_maddr,
&args.ia_num_mappings, &args.ia_maps[0],
&(ia->ia_iosize), &(ia->ia_msize)) == 0)
{
ret = isic_probe_avma1(&args);
if (ret)
break;
}
#endif /* AVM_A1 */
#ifdef USR_STI
args_unmap(&args.ia_num_mappings, &args.ia_maps[0]);
args.ia_flags = FLAG_USR_ISDN_TA_INT;
if (setup_io_map(args.ia_flags, iot, memt, ia->ia_iobase, ia->ia_maddr,
&args.ia_num_mappings, &args.ia_maps[0],
&(ia->ia_iosize), &(ia->ia_msize)) == 0)
{
ret = isic_probe_usrtai(&args);
if (ret)
break;
}
#endif /* USR_STI */
#ifdef ITKIX1
args_unmap(&args.ia_num_mappings, &args.ia_maps[0]);
args.ia_flags = FLAG_ITK_IX1;
if (setup_io_map(args.ia_flags, iot, memt, ia->ia_iobase, ia->ia_maddr,
&args.ia_num_mappings, &args.ia_maps[0],
&(ia->ia_iosize), &(ia->ia_msize)) == 0)
{
ret = isic_probe_itkix1(&args);
if (ret)
break;
}
#endif /* ITKIX1 */
} else {
#ifdef TEL_S0_16_3
/* could be anything */
args.ia_flags = FLAG_TELES_S0_163;
if (setup_io_map(args.ia_flags, iot, memt, ia->ia_iobase, ia->ia_maddr,
&args.ia_num_mappings, &args.ia_maps[0],
&(ia->ia_iosize), &(ia->ia_msize)) == 0)
{
ret = isic_probe_s0163(&args);
if (ret)
break;
}
#endif /* TEL_S0_16_3 */
#ifdef TEL_S0_16
args_unmap(&args.ia_num_mappings, &args.ia_maps[0]);
args.ia_flags = FLAG_TELES_S0_16;
if (setup_io_map(args.ia_flags, iot, memt, ia->ia_iobase, ia->ia_maddr,
&args.ia_num_mappings, &args.ia_maps[0],
&(ia->ia_iosize), &(ia->ia_msize)) == 0)
{
ret = isic_probe_s016(&args);
if (ret)
break;
}
#endif /* TEL_S0_16 */
#ifdef AVM_A1
args_unmap(&args.ia_num_mappings, &args.ia_maps[0]);
args.ia_flags = FLAG_AVM_A1;
if (setup_io_map(args.ia_flags, iot, memt, ia->ia_iobase, ia->ia_maddr,
&args.ia_num_mappings, &args.ia_maps[0],
&(ia->ia_iosize), &(ia->ia_msize)) == 0)
{
ret = isic_probe_avma1(&args);
if (ret)
break;
}
#endif /* AVM_A1 */
#ifdef TEL_S0_8
args_unmap(&args.ia_num_mappings, &args.ia_maps[0]);
args.ia_flags = FLAG_TELES_S0_8;
if (setup_io_map(args.ia_flags, iot, memt, ia->ia_iobase, ia->ia_maddr,
&args.ia_num_mappings, &args.ia_maps[0],
&(ia->ia_iosize), &(ia->ia_msize)) == 0)
{
ret = isic_probe_s08(&args);
}
#endif /* TEL_S0_8 */
}
break;
}
done:
/* unmap resources */
args_unmap(&args.ia_num_mappings, &args.ia_maps[0]);
#if 0
printf("isic%d: exit isa_isic_probe, return = %d\n", cf->cf_unit, ret);
#endif
return ret;
}
/*
* Attach the card
*/
static void
isa_isic_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct isic_softc *sc = (void *)self;
struct isa_attach_args *ia = aux;
int flags = sc->sc_dev.dv_cfdata->cf_flags;
int ret = 0;
struct isic_attach_args args;
/* Setup parameters */
sc->sc_unit = sc->sc_dev.dv_unit;
sc->sc_irq = ia->ia_irq;
sc->sc_maddr = ia->ia_maddr;
sc->sc_num_mappings = 0;
sc->sc_maps = NULL;
switch(flags)
{
case FLAG_TELES_S0_8:
case FLAG_TELES_S0_16:
case FLAG_TELES_S0_163:
case FLAG_AVM_A1:
case FLAG_USR_ISDN_TA_INT:
setup_io_map(flags, ia->ia_iot, ia->ia_memt, ia->ia_iobase, ia->ia_maddr,
&(sc->sc_num_mappings), NULL, NULL, NULL);
MALLOC_MAPS(sc);
setup_io_map(flags, ia->ia_iot, ia->ia_memt, ia->ia_iobase, ia->ia_maddr,
&(sc->sc_num_mappings), &(sc->sc_maps[0]), NULL, NULL);
break;
default:
/* No card type given, try to figure ... */
/* setup MI attach args */
bzero(&args, sizeof(args));
args.ia_flags = flags;
/* Probe cards */
if (ia->ia_iobase == IOBASEUNK) {
ret = 0;
#ifdef TEL_S0_8
/* only Teles S0/8 will work without IO */
args.ia_flags = FLAG_TELES_S0_8;
setup_io_map(args.ia_flags, ia->ia_iot, ia->ia_memt, ia->ia_iobase, ia->ia_maddr,
&args.ia_num_mappings, &args.ia_maps[0], NULL, NULL);
ret = isic_probe_s08(&args);
if (ret)
goto found;
args_unmap(&args.ia_num_mappings, &args.ia_maps[0]);
#endif /* TEL_S0_8 */
} else if (ia->ia_maddr == MADDRUNK) {
/* no shared memory, only a 16.3 based card,
AVM A1, the usr sportster or an ITK would work */
ret = 0;
#ifdef TEL_S0_16_3
args.ia_flags = FLAG_TELES_S0_163;
setup_io_map(args.ia_flags, ia->ia_iot, ia->ia_memt, ia->ia_iobase, ia->ia_maddr,
&args.ia_num_mappings, &args.ia_maps[0], NULL, NULL);
ret = isic_probe_s0163(&args);
if (ret)
goto found;
args_unmap(&args.ia_num_mappings, &args.ia_maps[0]);
#endif /* TEL_S0_16_3 */
#ifdef AVM_A1
args.ia_flags = FLAG_AVM_A1;
setup_io_map(args.ia_flags, ia->ia_iot, ia->ia_memt, ia->ia_iobase, ia->ia_maddr,
&args.ia_num_mappings, &args.ia_maps[0], NULL, NULL);
ret = isic_probe_avma1(&args);
if (ret)
goto found;
args_unmap(&args.ia_num_mappings, &args.ia_maps[0]);
#endif /* AVM_A1 */
#ifdef USR_STI
args.ia_flags = FLAG_USR_ISDN_TA_INT;
setup_io_map(args.ia_flags, ia->ia_iot, ia->ia_memt, ia->ia_iobase, ia->ia_maddr,
&args.ia_num_mappings, &args.ia_maps[0], NULL, NULL);
ret = isic_probe_usrtai(&args);
if (ret)
goto found;
args_unmap(&args.ia_num_mappings, &args.ia_maps[0]);
#endif /* USR_STI */
#ifdef ITKIX1
args.ia_flags = FLAG_ITK_IX1;
setup_io_map(args.ia_flags, ia->ia_iot, ia->ia_memt, ia->ia_iobase, ia->ia_maddr,
&args.ia_num_mappings, &args.ia_maps[0], NULL, NULL);
ret = isic_probe_itkix1(&args);
if (ret)
goto found;
args_unmap(&args.ia_num_mappings, &args.ia_maps[0]);
#endif /* ITKIX1 */
} else {
/* could be anything */
ret = 0;
#ifdef TEL_S0_16_3
args.ia_flags = FLAG_TELES_S0_163;
setup_io_map(args.ia_flags, ia->ia_iot, ia->ia_memt, ia->ia_iobase, ia->ia_maddr,
&args.ia_num_mappings, &args.ia_maps[0], NULL, NULL);
ret = isic_probe_s0163(&args);
if (ret)
goto found;
args_unmap(&args.ia_num_mappings, &args.ia_maps[0]);
#endif /* TEL_S0_16_3 */
#ifdef TEL_S0_16
args.ia_flags = FLAG_TELES_S0_16;
setup_io_map(args.ia_flags, ia->ia_iot, ia->ia_memt, ia->ia_iobase, ia->ia_maddr,
&args.ia_num_mappings, &args.ia_maps[0], NULL, NULL);
ret = isic_probe_s016(&args);
if (ret)
goto found;
args_unmap(&args.ia_num_mappings, &args.ia_maps[0]);
#endif /* TEL_S0_16 */
#ifdef AVM_A1
args.ia_flags = FLAG_AVM_A1;
setup_io_map(args.ia_flags, ia->ia_iot, ia->ia_memt, ia->ia_iobase, ia->ia_maddr,
&args.ia_num_mappings, &args.ia_maps[0], NULL, NULL);
ret = isic_probe_avma1(&args);
if (ret)
goto found;
args_unmap(&args.ia_num_mappings, &args.ia_maps[0]);
#endif /* AVM_A1 */
#ifdef TEL_S0_8
args.ia_flags = FLAG_TELES_S0_8;
setup_io_map(args.ia_flags, ia->ia_iot, ia->ia_memt, ia->ia_iobase, ia->ia_maddr,
&args.ia_num_mappings, &args.ia_maps[0], NULL, NULL);
ret = isic_probe_s08(&args);
if (ret)
goto found;
args_unmap(&args.ia_num_mappings, &args.ia_maps[0]);
#endif /* TEL_S0_8 */
}
break;
found:
flags = args.ia_flags;
sc->sc_num_mappings = args.ia_num_mappings;
args_unmap(&args.ia_num_mappings, &args.ia_maps[0]);
if (ret) {
MALLOC_MAPS(sc);
setup_io_map(flags, ia->ia_iot, ia->ia_memt, ia->ia_iobase, ia->ia_maddr,
&(sc->sc_num_mappings), &(sc->sc_maps[0]), NULL, NULL);
} else {
printf(": could not determine card type - not configured!\n");
return;
}
break;
}
#if defined(__OpenBSD__)
isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
IPL_NET, isicintr, sc, sc->sc_dev.dv_xname);
/* MI initialization of card */
isicattach(flags, sc);
#else
/* MI initialization of card */
isicattach(flags, sc);
/*
* Try to get a level-triggered interrupt first. If that doesn't
* work (like on NetBSD/Atari, try to establish an edge triggered
* interrupt.
*/
if (isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_LEVEL,
IPL_NET, isicintr, sc) == NULL) {
if(isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
IPL_NET, isicintr, sc) == NULL) {
args_unmap(&(sc->sc_num_mappings), &(sc->sc_maps[0]));
free((sc)->sc_maps, M_DEVBUF);
}
else {
/*
* XXX: This is a hack that probably needs to be
* solved by setting an interrupt type in the sc
* structure. I don't feel familiar enough with the
* code to do this currently. Feel free to contact
* me about it (leo@netbsd.org).
*/
isicintr(sc);
}
}
#endif
}
/*
* Setup card specific io mapping. Return 0 on success,
* any other value on config error.
* Be prepared to get NULL as maps array.
* Make sure to keep *num_mappings in sync with the real
* mappings already setup when returning!
*/
static int
setup_io_map(flags, iot, memt, iobase, maddr, num_mappings, maps, iosize, msize)
int flags, *num_mappings, *iosize, *msize;
bus_size_t iobase, maddr;
bus_space_tag_t iot, memt;
struct isic_io_map *maps;
{
/* nothing mapped yet */
*num_mappings = 0;
/* which resources do we need? */
switch(flags)
{
case FLAG_TELES_S0_8:
if (maddr == MADDRUNK) {
printf("isic: config error: no shared memory specified for Teles S0/8!\n");
return 1;
}
if (iosize) *iosize = 0; /* no i/o ports */
if (msize) *msize = 0x1000; /* shared memory size */
/* this card uses a single memory mapping */
if (maps == NULL) {
*num_mappings = 1;
return 0;
}
*num_mappings = 0;
maps[0].t = memt;
maps[0].offset = 0;
maps[0].size = 0x1000;
if (bus_space_map(maps[0].t, maddr,
maps[0].size, 0, &maps[0].h)) {
return 1;
}
(*num_mappings)++;
break;
case FLAG_TELES_S0_16:
if (iobase == IOBASEUNK) {
printf("isic: config error: no i/o address specified for Teles S0/16!\n");
return 1;
}
if (maddr == MADDRUNK) {
printf("isic: config error: no shared memory specified for Teles S0/16!\n");
return 1;
}
if (iosize) *iosize = 8; /* i/o ports */
if (msize) *msize = 0x1000; /* shared memory size */
/* one io and one memory mapping */
if (maps == NULL) {
*num_mappings = 2;
return 0;
}
*num_mappings = 0;
maps[0].t = iot;
maps[0].offset = 0;
maps[0].size = 8;
if (bus_space_map(maps[0].t, iobase,
maps[0].size, 0, &maps[0].h)) {
return 1;
}
(*num_mappings)++;
maps[1].t = memt;
maps[1].offset = 0;
maps[1].size = 0x1000;
if (bus_space_map(maps[1].t, maddr,
maps[1].size, 0, &maps[1].h)) {
return 1;
}
(*num_mappings)++;
break;
case FLAG_TELES_S0_163:
if (iobase == IOBASEUNK) {
printf("isic: config error: no i/o address specified for Teles S0/16!\n");
return 1;
}
if (iosize) *iosize = 8; /* only some i/o ports shown */
if (msize) *msize = 0; /* no shared memory */
/* Four io mappings: config, isac, 2 * hscx */
if (maps == NULL) {
*num_mappings = 4;
return 0;
}
*num_mappings = 0;
maps[0].t = iot;
maps[0].offset = 0;
maps[0].size = 8;
if (bus_space_map(maps[0].t, iobase,
maps[0].size, 0, &maps[0].h)) {
return 1;
}
(*num_mappings)++;
maps[1].t = iot;
maps[1].offset = 0;
maps[1].size = 0x40; /* XXX - ??? */
if ((iobase - 0xd80 + 0x980) < 0 || (iobase - 0xd80 + 0x980) > 0x0ffff)
return 1;
if (bus_space_map(maps[1].t, iobase - 0xd80 + 0x980,
maps[1].size, 0, &maps[1].h)) {
return 1;
}
(*num_mappings)++;
maps[2].t = iot;
maps[2].offset = 0;
maps[2].size = 0x40; /* XXX - ??? */
if ((iobase - 0xd80 + 0x180) < 0 || (iobase - 0xd80 + 0x180) > 0x0ffff)
return 1;
if (bus_space_map(maps[2].t, iobase - 0xd80 + 0x180,
maps[2].size, 0, &maps[2].h)) {
return 1;
}
(*num_mappings)++;
maps[3].t = iot;
maps[3].offset = 0;
maps[3].size = 0x40; /* XXX - ??? */
if ((iobase - 0xd80 + 0x580) < 0 || (iobase - 0xd80 + 0x580) > 0x0ffff)
return 1;
if (bus_space_map(maps[3].t, iobase - 0xd80 + 0x580,
maps[3].size, 0, &maps[3].h)) {
return 1;
}
(*num_mappings)++;
break;
case FLAG_AVM_A1:
if (iobase == IOBASEUNK) {
printf("isic: config error: no i/o address specified for AVM A1/Fritz! card!\n");
return 1;
}
if (iosize) *iosize = 8; /* only some i/o ports shown */
if (msize) *msize = 0; /* no shared memory */
/* Seven io mappings: config, isac, 2 * hscx,
isac-fifo, 2 * hscx-fifo */
if (maps == NULL) {
*num_mappings = 7;
return 0;
}
*num_mappings = 0;
maps[0].t = iot; /* config */
maps[0].offset = 0;
maps[0].size = 8;
if ((iobase + 0x1800) < 0 || (iobase + 0x1800) > 0x0ffff)
return 1;
if (bus_space_map(maps[0].t, iobase + 0x1800, maps[0].size, 0, &maps[0].h))
return 1;
(*num_mappings)++;
maps[1].t = iot; /* isac */
maps[1].offset = 0;
maps[1].size = 0x80; /* XXX - ??? */
if ((iobase + 0x1400 - 0x20) < 0 || (iobase + 0x1400 - 0x20) > 0x0ffff)
return 1;
if (bus_space_map(maps[1].t, iobase + 0x1400 - 0x20, maps[1].size, 0, &maps[1].h))
return 1;
(*num_mappings)++;
maps[2].t = iot; /* hscx 0 */
maps[2].offset = 0;
maps[2].size = 0x40; /* XXX - ??? */
if ((iobase + 0x400 - 0x20) < 0 || (iobase + 0x400 - 0x20) > 0x0ffff)
return 1;
if (bus_space_map(maps[2].t, iobase + 0x400 - 0x20, maps[2].size, 0, &maps[2].h))
return 1;
(*num_mappings)++;
maps[3].t = iot; /* hscx 1 */
maps[3].offset = 0;
maps[3].size = 0x40; /* XXX - ??? */
if ((iobase + 0xc00 - 0x20) < 0 || (iobase + 0xc00 - 0x20) > 0x0ffff)
return 1;
if (bus_space_map(maps[3].t, iobase + 0xc00 - 0x20, maps[3].size, 0, &maps[3].h))
return 1;
(*num_mappings)++;
maps[4].t = iot; /* isac-fifo */
maps[4].offset = 0;
maps[4].size = 1;
if ((iobase + 0x1400 - 0x20 -0x3e0) < 0 || (iobase + 0x1400 - 0x20 -0x3e0) > 0x0ffff)
return 1;
if (bus_space_map(maps[4].t, iobase + 0x1400 - 0x20 -0x3e0, maps[4].size, 0, &maps[4].h))
return 1;
(*num_mappings)++;
maps[5].t = iot; /* hscx 0 fifo */
maps[5].offset = 0;
maps[5].size = 1;
if ((iobase + 0x400 - 0x20 -0x3e0) < 0 || (iobase + 0x400 - 0x20 -0x3e0) > 0x0ffff)
return 1;
if (bus_space_map(maps[5].t, iobase + 0x400 - 0x20 -0x3e0, maps[5].size, 0, &maps[5].h))
return 1;
(*num_mappings)++;
maps[6].t = iot; /* hscx 1 fifo */
maps[6].offset = 0;
maps[6].size = 1;
if ((iobase + 0xc00 - 0x20 -0x3e0) < 0 || (iobase + 0xc00 - 0x20 -0x3e0) > 0x0ffff)
return 1;
if (bus_space_map(maps[6].t, iobase + 0xc00 - 0x20 -0x3e0, maps[6].size, 0, &maps[6].h))
return 1;
(*num_mappings)++;
break;
case FLAG_USR_ISDN_TA_INT:
if (iobase == IOBASEUNK) {
printf("isic: config error: no I/O base specified for USR Sportster TA intern!\n");
return 1;
}
if (iosize) *iosize = 8; /* scattered ports, only some shown */
if (msize) *msize = 0; /* no shared memory */
/* 49 io mappings: 1 config and 48x8 registers */
if (maps == NULL) {
*num_mappings = 49;
return 0;
}
*num_mappings = 0;
{
int i, num;
bus_size_t base;
/* config at offset 0x8000 */
base = iobase + 0x8000;
maps[0].size = 1;
maps[0].t = iot;
maps[0].offset = 0;
if (base < 0 || base > 0x0ffff)
return 1;
if (bus_space_map(iot, base, 1, 0, &maps[0].h)) {
return 1;
}
*num_mappings = num = 1;
/* HSCX A at offset 0 */
base = iobase;
for (i = 0; i < 16; i++) {
maps[num].size = 8;
maps[num].offset = 0;
maps[num].t = iot;
if (base+i*1024 < 0 || base+i*1024+8 > 0x0ffff)
return 1;
if (bus_space_map(iot, base+i*1024, 8, 0, &maps[num].h)) {
return 1;
}
*num_mappings = ++num;
}
/* HSCX B at offset 0x4000 */
base = iobase + 0x4000;
for (i = 0; i < 16; i++) {
maps[num].size = 8;
maps[num].offset = 0;
maps[num].t = iot;
if (base+i*1024 < 0 || base+i*1024+8 > 0x0ffff)
return 1;
if (bus_space_map(iot, base+i*1024, 8, 0, &maps[num].h)) {
return 1;
}
*num_mappings = ++num;
}
/* ISAC at offset 0xc000 */
base = iobase + 0xc000;
for (i = 0; i < 16; i++) {
maps[num].size = 8;
maps[num].offset = 0;
maps[num].t = iot;
if (base+i*1024 < 0 || base+i*1024+8 > 0x0ffff)
return 1;
if (bus_space_map(iot, base+i*1024, 8, 0, &maps[num].h)) {
return 1;
}
*num_mappings = ++num;
}
}
break;
case FLAG_ITK_IX1:
if (iobase == IOBASEUNK) {
printf("isic: config error: no I/O base specified for ITK ix1 micro!\n");
return 1;
}
if (iosize) *iosize = 4;
if (msize) *msize = 0;
if (maps == NULL) {
*num_mappings = 1;
return 0;
}
*num_mappings = 0;
maps[0].size = 4;
maps[0].t = iot;
maps[0].offset = 0;
if (bus_space_map(iot, iobase, 4, 0, &maps[0].h)) {
return 1;
}
*num_mappings = 1;
break;
default:
printf("isic: config error: flags do not specify any known card!\n");
return 1;
break;
}
return 0;
}
static void
args_unmap(num_mappings, maps)
int *num_mappings;
struct isic_io_map *maps;
{
int i, n;
for (i = 0, n = *num_mappings; i < n; i++)
if (maps[i].size)
bus_space_unmap(maps[i].t, maps[i].h, maps[i].size);
*num_mappings = 0;
}
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