389 lines
10 KiB
C
389 lines
10 KiB
C
/* $NetBSD: isic_supio.c,v 1.14 2004/11/21 20:43:22 is Exp $ */
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/*
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* Copyright (c) 1998,2001 Ignatios Souvatzis. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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* 4. Altered versions must be plainly marked as such, and must not be
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* misrepresented as being the original software and/or documentation.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*---------------------------------------------------------------------------
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*
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* isic_supio.c - Amiga supio pseudo bus frontend for i4b_isic driver
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* supports:
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* - VMC ISDN Blaster 5001/1
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* - ITH ISDN MasterII 5000/1
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* - BSC ISDN Master 2092/64
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* - Individual ISDN Surfer 4626/5
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* - Zeus ISDN Link 2189/3
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*
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* But we attach to the supio, so just see "isicxx"
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*
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* -is original implementation [Sun Feb 14 10:29:19 1999]
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*
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*---------------------------------------------------------------------------*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: isic_supio.c,v 1.14 2004/11/21 20:43:22 is Exp $");
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/errno.h>
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#include <sys/syslog.h>
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#include <sys/device.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <machine/cpu.h>
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#include <machine/intr.h>
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#include <machine/bus.h>
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#if defined(__NetBSD__) && __NetBSD_Version__ >= 104230000
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#include <sys/callout.h>
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#endif
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#include <amiga/dev/supio.h>
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#include <netisdn/i4b_ioctl.h>
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#include <netisdn/i4b_trace.h>
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#include <netisdn/i4b_global.h>
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#include <netisdn/i4b_debug.h>
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#include <netisdn/i4b_l2.h>
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#include <netisdn/i4b_l1l2.h>
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#include <dev/ic/isic_l1.h>
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#include <dev/ic/hscx.h>
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#include <dev/ic/isac.h>
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/* XXX I think the following line should be elsewhere ... -is */
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extern const struct isdn_layer1_isdnif_driver isic_std_driver;
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/*static*/ int isic_supio_match(struct device *, struct cfdata *, void *);
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/*static*/ void isic_supio_attach(struct device *, struct device *, void *);
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/*static*/ u_int8_t aster_read_reg(struct isic_softc *sc, int what,
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bus_size_t offs);
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/*static*/ void aster_write_reg(struct isic_softc *sc, int what,
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bus_size_t offs, u_int8_t data);
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/*static*/ void aster_read_fifo(struct isic_softc *sc, int what,
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void *buf, size_t size);
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/*static*/ void aster_write_fifo(struct isic_softc *sc, int what,
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const void *data, size_t size);
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static int supio_isicattach(struct isic_softc *sc, char *);
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struct isic_supio_softc {
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struct isic_softc sc_isic;
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struct isr sc_isr;
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struct bus_space_tag sc_bst;
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};
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CFATTACH_DECL(isic_supio, sizeof(struct isic_supio_softc),
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isic_supio_match, isic_supio_attach, NULL, NULL);
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/*
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* Probe card
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*/
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/*static*/ int
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isic_supio_match(struct device *parent, struct cfdata *cf, void *aux)
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{
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struct supio_attach_args *sap = aux;
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/* ARGSUSED */
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return (!strncmp("isic", sap->supio_name, 4));
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}
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int isic_supio_ipl = 2;
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/*
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* Attach the card
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*/
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/*static*/ void
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isic_supio_attach(struct device *parent, struct device *self, void *aux)
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{
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struct isic_supio_softc *ssc = (void *)self;
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struct isic_softc *sc = &ssc->sc_isic;
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struct supio_attach_args *sap = aux;
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bus_space_tag_t bst;
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bus_space_handle_t h;
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int o1, o2;
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/* setup parameters */
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sc->sc_cardtyp = CARD_TYPEP_BLMASTER;
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sc->sc_num_mappings = 3;
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/* create io mappings */
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MALLOC_MAPS(sc);
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o1 = (sap->supio_name[4]-'0') << 7;
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o2 = (sap->supio_name[5]-'0') << 7;
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bst = sap->supio_iot;
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bus_space_map(bst, sap->supio_iobase, 0x1000, 0, &h);
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/* ISAC */
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sc->sc_maps[0].t = bst;
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sc->sc_maps[0].h = h;
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sc->sc_maps[0].offset = o1;
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sc->sc_maps[0].size = 0; /* foreign mapping, leave it alone */
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/* HSCX A */
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sc->sc_maps[1].t = bst;
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sc->sc_maps[1].h = h;
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sc->sc_maps[1].offset = o2;
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sc->sc_maps[1].size = 0; /* foreign mapping, leave it alone */
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/* HSCX B */
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sc->sc_maps[2].t = bst;
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sc->sc_maps[2].h = h;
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sc->sc_maps[2].offset = o2 + 0x40;
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sc->sc_maps[2].size = 0; /* foreign mapping, leave it alone */
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sc->clearirq = NULL;
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sc->readreg = aster_read_reg;
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sc->writereg = aster_write_reg;
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sc->readfifo = aster_read_fifo;
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sc->writefifo = aster_write_fifo;
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/* setup card type */
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sc->sc_cardtyp = CARD_TYPEP_BLMASTER;
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sc->sc_bustyp = BUS_TYPE_IOM2;
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sc->sc_ipac = 0;
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sc->sc_bfifolen = HSCX_FIFO_LEN;
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/* enable RTS on HSCX A */
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aster_write_reg(sc, ISIC_WHAT_HSCXA, H_MODE, HSCX_MODE_RTS);
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/* MI initialization of card */
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printf("\n");
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supio_isicattach(sc, sap->supio_name+6);
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ssc->sc_isr.isr_intr = isicintr;
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ssc->sc_isr.isr_arg = sc;
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ssc->sc_isr.isr_ipl = isic_supio_ipl; /* XXX */
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add_isr(&ssc->sc_isr);
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}
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#if 0
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int
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isic_supiointr(void *p)
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{
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/* XXX should test whether it is our interrupt at all */
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add_sicallback((sifunc_t)isicintr, p, NULL);
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return 1;
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}
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#endif
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/*static*/ void
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aster_read_fifo(struct isic_softc *sc, int what, void *buf, size_t size)
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{
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bus_space_tag_t t = sc->sc_maps[what].t;
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bus_space_handle_t h = sc->sc_maps[what].h;
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bus_size_t o = sc->sc_maps[what].offset;
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bus_space_read_multi_1(t, h, o, buf, size);
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}
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/*static*/ void
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aster_write_fifo(struct isic_softc *sc, int what, const void *buf, size_t size)
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{
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bus_space_tag_t t = sc->sc_maps[what].t;
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bus_space_handle_t h = sc->sc_maps[what].h;
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bus_size_t o = sc->sc_maps[what].offset;
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bus_space_write_multi_1(t, h, o, (u_int8_t*)buf, size);
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}
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/*static*/ u_int8_t
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aster_read_reg(struct isic_softc *sc, int what, bus_size_t offs)
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{
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bus_space_tag_t t = sc->sc_maps[what].t;
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bus_space_handle_t h = sc->sc_maps[what].h;
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bus_size_t o = sc->sc_maps[what].offset;
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return bus_space_read_1(t, h, o + offs);
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}
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/*static*/ void
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aster_write_reg(struct isic_softc *sc, int what, bus_size_t offs, u_int8_t data)
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{
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bus_space_tag_t t = sc->sc_maps[what].t;
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bus_space_handle_t h = sc->sc_maps[what].h;
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bus_size_t o = sc->sc_maps[what].offset;
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bus_space_write_1(t, h, o + offs, data);
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}
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/*---------------------------------------------------------------------------*
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* card independend attach for pcmcia^Wsupio cards
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* XXX this should be centralized!
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*---------------------------------------------------------------------------*/
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/*
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* parameter and format for message producing e.g. "isic0: "
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* there is no FreeBSD/Amiga, so just:
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*/
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#define ISIC_FMT "%s: "
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#define ISIC_PARM sc->sc_dev.dv_xname
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#define TERMFMT "\n"
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int
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supio_isicattach(struct isic_softc *sc, char *cardname)
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{
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static char *ISACversion[] = {
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"2085 Version A1/A2 or 2086/2186 Version 1.1",
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"2085 Version B1",
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"2085 Version B2",
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"2085 Version V2.3 (B3)",
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"Unknown Version"
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};
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static char *HSCXversion[] = {
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"82525 Version A1",
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"Unknown (0x01)",
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"82525 Version A2",
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"Unknown (0x03)",
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"82525 Version A3",
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"82525 or 21525 Version 2.1",
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"Unknown Version"
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};
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sc->sc_isac_version = 0;
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sc->sc_isac_version = ((ISAC_READ(I_RBCH)) >> 5) & 0x03;
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switch(sc->sc_isac_version)
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{
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case ISAC_VA:
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case ISAC_VB1:
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case ISAC_VB2:
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case ISAC_VB3:
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break;
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default:
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printf(ISIC_FMT "Error, ISAC version %d unknown!\n",
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ISIC_PARM, sc->sc_isac_version);
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return(0);
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break;
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}
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sc->sc_hscx_version = HSCX_READ(0, H_VSTR) & 0xf;
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switch(sc->sc_hscx_version)
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{
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case HSCX_VA1:
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case HSCX_VA2:
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case HSCX_VA3:
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case HSCX_V21:
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break;
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default:
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printf(ISIC_FMT "Error, HSCX version %d unknown!\n",
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ISIC_PARM, sc->sc_hscx_version);
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return(0);
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break;
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};
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/* ISAC setup */
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isic_isac_init(sc);
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/* HSCX setup */
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isic_bchannel_setup(sc, HSCX_CH_A, BPROT_NONE, 0);
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isic_bchannel_setup(sc, HSCX_CH_B, BPROT_NONE, 0);
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/* setup linktab */
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isic_init_linktab(sc);
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/* set trace level */
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sc->sc_trace = TRACE_OFF;
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sc->sc_state = ISAC_IDLE;
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sc->sc_ibuf = NULL;
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sc->sc_ib = NULL;
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sc->sc_ilen = 0;
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sc->sc_obuf = NULL;
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sc->sc_op = NULL;
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sc->sc_ol = 0;
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sc->sc_freeflag = 0;
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sc->sc_obuf2 = NULL;
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sc->sc_freeflag2 = 0;
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#if defined(__FreeBSD__) && __FreeBSD__ >=3
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callout_handle_init(&sc->sc_T3_callout);
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callout_handle_init(&sc->sc_T4_callout);
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#endif
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/* init higher protocol layers */
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/* MPH_Status_Ind(sc->sc_unit, STI_ATTACH, sc->sc_cardtyp); */
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isic_attach_bri(sc, cardname, &isic_std_driver);
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/* announce chip versions */
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if(sc->sc_isac_version >= ISAC_UNKN)
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{
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printf(ISIC_FMT "ISAC Version UNKNOWN (VN=0x%x)" TERMFMT,
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ISIC_PARM,
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sc->sc_isac_version);
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sc->sc_isac_version = ISAC_UNKN;
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}
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else
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{
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printf(ISIC_FMT "ISAC %s (IOM-%c)" TERMFMT,
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ISIC_PARM,
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ISACversion[sc->sc_isac_version],
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sc->sc_bustyp == BUS_TYPE_IOM1 ? '1' : '2');
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}
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if(sc->sc_hscx_version >= HSCX_UNKN)
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{
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printf(ISIC_FMT "HSCX Version UNKNOWN (VN=0x%x)" TERMFMT,
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ISIC_PARM,
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sc->sc_hscx_version);
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sc->sc_hscx_version = HSCX_UNKN;
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}
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else
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{
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printf(ISIC_FMT "HSCX %s" TERMFMT,
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ISIC_PARM,
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HSCXversion[sc->sc_hscx_version]);
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}
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return(1);
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}
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