freebsd-skq/sys/i4b/layer1/isic_supio.c
1999-03-07 16:08:20 +00:00

375 lines
9.5 KiB
C

/*
* Copyright (c) 1998 Ignatios Souvatzis. 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.
*
*---------------------------------------------------------------------------
*
* isic_supio.c - Amiga supio pseudo bus frontend for i4b_isic driver
* supports:
* - ISDN Blaster 5001/1
* - ISDN Master 2092/64
* But we attach to the supio, so just see "isic".
* -----------------------------------------------
*
* $Id: isic_supio.c,v 1.6 1999/02/14 09:45:00 hm Exp $
*
* last edit-date: [Sun Feb 14 10:29:19 1999]
*
* -is original implementation
*
*---------------------------------------------------------------------------*/
#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 <amiga/dev/supio.h>
#include <i4b/i4b_ioctl.h>
#include <i4b/i4b_trace.h>
#include <i4b/include/i4b_global.h>
#include <i4b/include/i4b_l1l2.h>
#include <i4b/layer1/i4b_l1.h>
#include <i4b/layer1/i4b_hscx.h>
#include <i4b/layer1/i4b_isac.h>
/*static*/ int isic_supio_match __P((struct device *, struct cfdata *, void *));
/*static*/ void isic_supio_attach __P((struct device *, struct device *, void *));
/*static*/ u_int8_t aster_read_reg __P((struct isic_softc *sc, int what,
bus_size_t offs));
/*static*/ void aster_write_reg __P((struct isic_softc *sc, int what,
bus_size_t offs, u_int8_t data));
/*static*/ void aster_read_fifo __P((struct isic_softc *sc, int what,
void *buf, size_t size));
/*static*/ void aster_write_fifo __P((struct isic_softc *sc, int what,
const void *data, size_t size));
static int supio_isicattach __P((struct isic_softc *sc));
struct isic_supio_softc {
struct isic_softc sc_isic;
struct isr sc_isr;
struct bus_space_tag sc_bst;
};
struct cfattach isic_supio_ca = {
sizeof(struct isic_supio_softc), isic_supio_match, isic_supio_attach
};
/*
* Probe card
*/
/*static*/ int
isic_supio_match(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct supio_attach_args *sap = aux;
/* ARGSUSED */
return (!strcmp("isic", sap->supio_name));
}
int isic_supio_ipl = 2;
/*
* Attach the card
*/
/*static*/ void
isic_supio_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct isic_supio_softc *ssc = (void *)self;
struct isic_softc *sc = &ssc->sc_isic;
struct supio_attach_args *sap = aux;
bus_space_tag_t bst;
bus_space_handle_t h;
/* setup parameters */
sc->sc_cardtyp = CARD_TYPEP_BLMASTER;
sc->sc_num_mappings = 3;
sc->sc_unit = sc->sc_dev.dv_unit; /* XXX ??? */
/* create io mappings */
MALLOC_MAPS(sc);
bst = sap->supio_iot;
bus_space_map(bst, sap->supio_iobase, 0x400, 0, &h);
/* ISAC */
sc->sc_maps[0].t = bst;
sc->sc_maps[0].h = h;
sc->sc_maps[0].offset = 0x300/2;
sc->sc_maps[0].size = 0; /* foreign mapping, leave it alone */
/* HSCX A */
sc->sc_maps[1].t = bst;
sc->sc_maps[1].h = h;
sc->sc_maps[1].offset = 0x100/2;
sc->sc_maps[1].size = 0; /* foreign mapping, leave it alone */
/* HSCX B */
sc->sc_maps[2].t = bst;
sc->sc_maps[2].h = h;
sc->sc_maps[2].offset = 0x180/2;
sc->sc_maps[2].size = 0; /* foreign mapping, leave it alone */
sc->clearirq = NULL;
sc->readreg = aster_read_reg;
sc->writereg = aster_write_reg;
sc->readfifo = aster_read_fifo;
sc->writefifo = aster_write_fifo;
/* setup card type */
sc->sc_cardtyp = CARD_TYPEP_BLMASTER;
sc->sc_bustyp = BUS_TYPE_IOM2;
sc->sc_ipac = 0;
sc->sc_bfifolen = HSCX_FIFO_LEN;
/* enable RTS on HSCX A */
aster_write_reg(sc, ISIC_WHAT_HSCXA, H_MODE, HSCX_MODE_RTS);
/* MI initialization of card */
printf("\n");
supio_isicattach(sc);
ssc->sc_isr.isr_intr = isicintr;
ssc->sc_isr.isr_arg = sc;
ssc->sc_isr.isr_ipl = isic_supio_ipl; /* XXX */
add_isr(&ssc->sc_isr);
}
#if 0
int
isic_supiointr(p)
void *p;
{
/* XXX should test whether it is our interupt at all */
add_sicallback((sifunc_t)isicintr, p, NULL);
return 1;
}
#endif
/*static*/ void
aster_read_fifo(struct isic_softc *sc, int what, void *buf, size_t size)
{
bus_space_tag_t t = sc->sc_maps[what].t;
bus_space_handle_t h = sc->sc_maps[what].h;
bus_size_t o = sc->sc_maps[what].offset;
bus_space_read_multi_1(t, h, o, buf, size);
}
/*static*/ void
aster_write_fifo(struct isic_softc *sc, int what, const void *buf, size_t size)
{
bus_space_tag_t t = sc->sc_maps[what].t;
bus_space_handle_t h = sc->sc_maps[what].h;
bus_size_t o = sc->sc_maps[what].offset;
bus_space_write_multi_1(t, h, o, (u_int8_t*)buf, size);
}
/*static*/ u_int8_t
aster_read_reg(struct isic_softc *sc, int what, bus_size_t offs)
{
bus_space_tag_t t = sc->sc_maps[what].t;
bus_space_handle_t h = sc->sc_maps[what].h;
bus_size_t o = sc->sc_maps[what].offset;
return bus_space_read_1(t, h, o + offs);
}
/*static*/ void
aster_write_reg(struct isic_softc *sc, int what, bus_size_t offs, u_int8_t data)
{
bus_space_tag_t t = sc->sc_maps[what].t;
bus_space_handle_t h = sc->sc_maps[what].h;
bus_size_t o = sc->sc_maps[what].offset;
bus_space_write_1(t, h, o + offs, data);
}
/*---------------------------------------------------------------------------*
* card independend attach for pcmcia^Wsupio cards
* XXX this should be centralized!
*---------------------------------------------------------------------------*/
/*
* parameter and format for message producing e.g. "isic0: "
* there is no FreeBSD/Amiga, so just:
*/
#define ISIC_FMT "%s: "
#define ISIC_PARM sc->sc_dev.dv_xname
#define TERMFMT "\n"
int
supio_isicattach(struct isic_softc *sc)
{
static char *ISACversion[] = {
"2085 Version A1/A2 or 2086/2186 Version 1.1",
"2085 Version B1",
"2085 Version B2",
"2085 Version V2.3 (B3)",
"Unknown Version"
};
static char *HSCXversion[] = {
"82525 Version A1",
"Unknown (0x01)",
"82525 Version A2",
"Unknown (0x03)",
"82525 Version A3",
"82525 or 21525 Version 2.1",
"Unknown Version"
};
isic_sc[sc->sc_unit] = sc;
sc->sc_isac_version = 0;
sc->sc_isac_version = ((ISAC_READ(I_RBCH)) >> 5) & 0x03;
switch(sc->sc_isac_version)
{
case ISAC_VA:
case ISAC_VB1:
case ISAC_VB2:
case ISAC_VB3:
break;
default:
printf(ISIC_FMT "Error, ISAC version %d unknown!\n",
ISIC_PARM, sc->sc_isac_version);
return(0);
break;
}
sc->sc_hscx_version = HSCX_READ(0, H_VSTR) & 0xf;
switch(sc->sc_hscx_version)
{
case HSCX_VA1:
case HSCX_VA2:
case HSCX_VA3:
case HSCX_V21:
break;
default:
printf(ISIC_FMT "Error, HSCX version %d unknown!\n",
ISIC_PARM, sc->sc_hscx_version);
return(0);
break;
};
/* ISAC setup */
isic_isac_init(sc);
/* HSCX setup */
isic_bchannel_setup(sc->sc_unit, HSCX_CH_A, BPROT_NONE, 0);
isic_bchannel_setup(sc->sc_unit, HSCX_CH_B, BPROT_NONE, 0);
/* setup linktab */
isic_init_linktab(sc);
/* set trace level */
sc->sc_trace = TRACE_OFF;
sc->sc_state = ISAC_IDLE;
sc->sc_ibuf = NULL;
sc->sc_ib = NULL;
sc->sc_ilen = 0;
sc->sc_obuf = NULL;
sc->sc_op = NULL;
sc->sc_ol = 0;
sc->sc_freeflag = 0;
sc->sc_obuf2 = NULL;
sc->sc_freeflag2 = 0;
/* init higher protocol layers */
MPH_Status_Ind(sc->sc_unit, STI_ATTACH, sc->sc_cardtyp);
/* announce chip versions */
if(sc->sc_isac_version >= ISAC_UNKN)
{
printf(ISIC_FMT "ISAC Version UNKNOWN (VN=0x%x)" TERMFMT,
ISIC_PARM,
sc->sc_isac_version);
sc->sc_isac_version = ISAC_UNKN;
}
else
{
printf(ISIC_FMT "ISAC %s (IOM-%c)" TERMFMT,
ISIC_PARM,
ISACversion[sc->sc_isac_version],
sc->sc_bustyp == BUS_TYPE_IOM1 ? '1' : '2');
}
if(sc->sc_hscx_version >= HSCX_UNKN)
{
printf(ISIC_FMT "HSCX Version UNKNOWN (VN=0x%x)" TERMFMT,
ISIC_PARM,
sc->sc_hscx_version);
sc->sc_hscx_version = HSCX_UNKN;
}
else
{
printf(ISIC_FMT "HSCX %s" TERMFMT,
ISIC_PARM,
HSCXversion[sc->sc_hscx_version]);
}
return(1);
}