249 lines
8.0 KiB
C
249 lines
8.0 KiB
C
/*
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* Copyright (c) 1999 Ari Suutari. All rights reserved.
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* Copyright (c) 1997, 1999 Hellmuth Michaelis. 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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* 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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*
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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 - I4B Siemens ISDN Chipset Driver for Asuscom ISDNlink 128K PnP
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* =====================================================================
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*
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* This driver works with Asuscom ISDNlink 128K PnP ISA adapter,
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* which is based on Siemens IPAC chip (my card probes as ASU1690).
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* Older Asuscom ISA cards are based on different chipset
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* (containing two chips) - for those cards, one might want
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* to try the Dynalink driver.
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*
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* This driver is heavily based on ELSA Quickstep 1000pro PCI
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* driver written by Hellmuth Michaelis. Card initialization
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* code is modeled after Linux i4l driver written by Karsten
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* Keil.
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*
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* $Id: i4b_asuscom_ipac.c,v 1.4 1999/12/13 21:25:26 hm Exp $
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*
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* $FreeBSD$
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*
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* last edit-date: [Mon Dec 13 21:58:27 1999]
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*
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*---------------------------------------------------------------------------*/
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#include "isic.h"
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#include "opt_i4b.h"
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#if (NISIC > 0) && defined (ASUSCOM_IPAC)
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#include <sys/param.h>
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#include <sys/ioccom.h>
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#include <sys/kernel.h>
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#include <sys/systm.h>
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#include <sys/mbuf.h>
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#include <sys/socket.h>
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#include <machine/clock.h>
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#include <net/if.h>
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#include <machine/i4b_debug.h>
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#include <machine/i4b_ioctl.h>
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#include <i4b/include/i4b_global.h>
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#include <i4b/include/i4b_l1l2.h>
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#include <i4b/include/i4b_mbuf.h>
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#include <i4b/layer1/i4b_l1.h>
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#include <i4b/layer1/i4b_ipac.h>
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#include <i4b/layer1/i4b_isac.h>
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#include <i4b/layer1/i4b_hscx.h>
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/* masks for register encoded in base addr */
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#define ASI_BASE_MASK 0x0ffff
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#define ASI_OFF_MASK 0xf0000
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/* register id's to be encoded in base addr */
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#define ASI_IDISAC 0x00000
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#define ASI_IDHSCXA 0x10000
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#define ASI_IDHSCXB 0x20000
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#define ASI_IDIPAC 0x40000
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/* offsets from base address */
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#define ASI_OFF_ALE 0x00
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#define ASI_OFF_RW 0x01
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/*---------------------------------------------------------------------------*
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* Asuscom ISDNlink 128K ISAC get fifo routine
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*---------------------------------------------------------------------------*/
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static void
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asi_read_fifo(struct l1_softc *sc,int what,void *buf,size_t size)
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{
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bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]);
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bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
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switch ( what )
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{
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case ISIC_WHAT_ISAC:
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bus_space_write_1(t,h,ASI_OFF_ALE,IPAC_ISAC_OFF);
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bus_space_read_multi_1(t,h,ASI_OFF_RW,buf,size);
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break;
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case ISIC_WHAT_HSCXA:
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bus_space_write_1(t,h,ASI_OFF_ALE,IPAC_HSCXA_OFF);
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bus_space_read_multi_1(t,h,ASI_OFF_RW,buf,size);
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break;
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case ISIC_WHAT_HSCXB:
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bus_space_write_1(t,h,ASI_OFF_ALE,IPAC_HSCXB_OFF);
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bus_space_read_multi_1(t,h,ASI_OFF_RW,buf,size);
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break;
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}
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}
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/*---------------------------------------------------------------------------*
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* Asuscom ISDNlink 128K ISAC put fifo routine
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*---------------------------------------------------------------------------*/
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static void
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asi_write_fifo(struct l1_softc *sc,int what,void *buf,size_t size)
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{
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bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]);
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bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
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switch ( what )
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{
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case ISIC_WHAT_ISAC:
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bus_space_write_1(t,h,ASI_OFF_ALE,IPAC_ISAC_OFF);
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bus_space_write_multi_1(t,h,ASI_OFF_RW,buf,size);
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break;
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case ISIC_WHAT_HSCXA:
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bus_space_write_1(t,h,ASI_OFF_ALE,IPAC_HSCXA_OFF);
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bus_space_write_multi_1(t,h,ASI_OFF_RW,buf,size);
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break;
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case ISIC_WHAT_HSCXB:
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bus_space_write_1(t,h,ASI_OFF_ALE,IPAC_HSCXB_OFF);
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bus_space_write_multi_1(t,h,ASI_OFF_RW,buf,size);
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break;
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}
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}
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/*---------------------------------------------------------------------------*
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* Asuscom ISDNlink 128K ISAC put register routine
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*---------------------------------------------------------------------------*/
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static void
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asi_write_reg(struct l1_softc *sc,int what,bus_size_t reg,u_int8_t data)
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{
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bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]);
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bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
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switch ( what )
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{
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case ISIC_WHAT_ISAC:
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bus_space_write_1(t,h,ASI_OFF_ALE,reg+IPAC_ISAC_OFF);
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bus_space_write_1(t,h,ASI_OFF_RW,data);
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break;
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case ISIC_WHAT_HSCXA:
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bus_space_write_1(t,h,ASI_OFF_ALE,reg+IPAC_HSCXA_OFF);
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bus_space_write_1(t,h,ASI_OFF_RW,data);
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break;
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case ISIC_WHAT_HSCXB:
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bus_space_write_1(t,h,ASI_OFF_ALE,reg+IPAC_HSCXB_OFF);
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bus_space_write_1(t,h,ASI_OFF_RW,data);
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break;
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case ISIC_WHAT_IPAC:
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bus_space_write_1(t,h,ASI_OFF_ALE,reg+IPAC_IPAC_OFF);
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bus_space_write_1(t,h,ASI_OFF_RW,data);
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break;
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}
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}
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/*---------------------------------------------------------------------------*
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* Asuscom ISDNlink 128K ISAC get register routine
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*---------------------------------------------------------------------------*/
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static u_int8_t
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asi_read_reg(struct l1_softc *sc,int what,bus_size_t reg)
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{
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bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]);
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bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
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switch ( what )
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{
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case ISIC_WHAT_ISAC:
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bus_space_write_1(t,h,ASI_OFF_ALE,reg+IPAC_ISAC_OFF);
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return bus_space_read_1(t,h,ASI_OFF_RW);
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case ISIC_WHAT_HSCXA:
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bus_space_write_1(t,h,ASI_OFF_ALE,reg+IPAC_HSCXA_OFF);
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return bus_space_read_1(t,h,ASI_OFF_RW);
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case ISIC_WHAT_HSCXB:
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bus_space_write_1(t,h,ASI_OFF_ALE,reg+IPAC_HSCXB_OFF);
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return bus_space_read_1(t,h,ASI_OFF_RW);
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case ISIC_WHAT_IPAC:
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bus_space_write_1(t,h,ASI_OFF_ALE,reg+IPAC_IPAC_OFF);
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return bus_space_read_1(t,h,ASI_OFF_RW);
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default:
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return 0;
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}
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}
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/*---------------------------------------------------------------------------*
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* isic_attach_siemens_isurf - attach for Asuscom ISDNlink 128K
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*---------------------------------------------------------------------------*/
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int
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isic_attach_asi(device_t dev)
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{
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int unit = device_get_unit(dev);
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struct l1_softc *sc = &l1_sc[unit];
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/* setup access routines */
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sc->clearirq = NULL;
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sc->readreg = asi_read_reg;
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sc->writereg = asi_write_reg;
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sc->readfifo = asi_read_fifo;
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sc->writefifo = asi_write_fifo;
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/* setup card type */
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sc->sc_cardtyp = CARD_TYPEP_ASUSCOMIPAC;
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/* setup IOM bus type */
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sc->sc_bustyp = BUS_TYPE_IOM2;
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/* setup chip type = IPAC ! */
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sc->sc_ipac = 1;
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sc->sc_bfifolen = IPAC_BFIFO_LEN;
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/* enable hscx/isac irq's */
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/*
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* This has been taken from Linux driver.
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* (Removed initialization that was not applicaple to
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* this board or was already register default setting.)
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*/
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IPAC_WRITE (IPAC_ACFG, 0xff); /* Setup AUX pin modes */
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IPAC_WRITE (IPAC_AOE, 0x0); /* Setup AUX pin modes */
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IPAC_WRITE (IPAC_MASK, (IPAC_MASK_INT1 | IPAC_MASK_INT0));
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return(0);
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}
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#endif /* (NISIC > 0) && defined (ASUSCOM_IPAC) */
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