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/*
* Copyright (c) 1999 Ari Suutari. All rights reserved.
*
* Copyright (c) 1997, 2000 Hellmuth Michaelis. 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.
*
* 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 - I4B Siemens ISDN Chipset Driver for Asuscom ISDNlink 128K PnP
* =====================================================================
*
* This driver works with Asuscom ISDNlink 128K PnP ISA adapter,
* which is based on Siemens IPAC chip (my card probes as ASU1690).
* Older Asuscom ISA cards are based on different chipset
* (containing two chips) - for those cards, one might want
* to try the Dynalink driver.
*
* This driver is heavily based on ELSA Quickstep 1000pro PCI
* driver written by Hellmuth Michaelis. Card initialization
* code is modeled after Linux i4l driver written by Karsten
* Keil.
*
* $Id: i4b_asuscom_ipac.c,v 1.3 2000/05/29 15:41:41 hm Exp $
*
* $FreeBSD$
*
* last edit-date: [Fri Oct 13 15:59:33 2000]
*
*---------------------------------------------------------------------------*/
#include "isic.h"
#include "opt_i4b.h"
#if (NISIC > 0) && defined (ASUSCOM_IPAC)
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/socket.h>
#include <machine/clock.h>
#include <net/if.h>
#include <machine/i4b_debug.h>
#include <machine/i4b_ioctl.h>
#include <i4b/layer1/isic/i4b_isic.h>
#include <i4b/layer1/isic/i4b_ipac.h>
#include <i4b/layer1/isic/i4b_isac.h>
#include <i4b/layer1/isic/i4b_hscx.h>
/* masks for register encoded in base addr */
#define ASI_BASE_MASK 0x0ffff
#define ASI_OFF_MASK 0xf0000
/* register id's to be encoded in base addr */
#define ASI_IDISAC 0x00000
#define ASI_IDHSCXA 0x10000
#define ASI_IDHSCXB 0x20000
#define ASI_IDIPAC 0x40000
/* offsets from base address */
#define ASI_OFF_ALE 0x00
#define ASI_OFF_RW 0x01
/*---------------------------------------------------------------------------*
* Asuscom ISDNlink 128K ISAC get fifo routine
*---------------------------------------------------------------------------*/
static void
asi_read_fifo(struct l1_softc *sc,int what,void *buf,size_t size)
{
bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]);
bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
switch ( what )
{
case ISIC_WHAT_ISAC:
bus_space_write_1(t,h,ASI_OFF_ALE,IPAC_ISAC_OFF);
bus_space_read_multi_1(t,h,ASI_OFF_RW,buf,size);
break;
case ISIC_WHAT_HSCXA:
bus_space_write_1(t,h,ASI_OFF_ALE,IPAC_HSCXA_OFF);
bus_space_read_multi_1(t,h,ASI_OFF_RW,buf,size);
break;
case ISIC_WHAT_HSCXB:
bus_space_write_1(t,h,ASI_OFF_ALE,IPAC_HSCXB_OFF);
bus_space_read_multi_1(t,h,ASI_OFF_RW,buf,size);
break;
}
}
/*---------------------------------------------------------------------------*
* Asuscom ISDNlink 128K ISAC put fifo routine
*---------------------------------------------------------------------------*/
static void
asi_write_fifo(struct l1_softc *sc,int what,void *buf,size_t size)
{
bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]);
bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
switch ( what )
{
case ISIC_WHAT_ISAC:
bus_space_write_1(t,h,ASI_OFF_ALE,IPAC_ISAC_OFF);
bus_space_write_multi_1(t,h,ASI_OFF_RW,buf,size);
break;
case ISIC_WHAT_HSCXA:
bus_space_write_1(t,h,ASI_OFF_ALE,IPAC_HSCXA_OFF);
bus_space_write_multi_1(t,h,ASI_OFF_RW,buf,size);
break;
case ISIC_WHAT_HSCXB:
bus_space_write_1(t,h,ASI_OFF_ALE,IPAC_HSCXB_OFF);
bus_space_write_multi_1(t,h,ASI_OFF_RW,buf,size);
break;
}
}
/*---------------------------------------------------------------------------*
* Asuscom ISDNlink 128K ISAC put register routine
*---------------------------------------------------------------------------*/
static void
asi_write_reg(struct l1_softc *sc,int what,bus_size_t reg,u_int8_t data)
{
bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]);
bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
switch ( what )
{
case ISIC_WHAT_ISAC:
bus_space_write_1(t,h,ASI_OFF_ALE,reg+IPAC_ISAC_OFF);
bus_space_write_1(t,h,ASI_OFF_RW,data);
break;
case ISIC_WHAT_HSCXA:
bus_space_write_1(t,h,ASI_OFF_ALE,reg+IPAC_HSCXA_OFF);
bus_space_write_1(t,h,ASI_OFF_RW,data);
break;
case ISIC_WHAT_HSCXB:
bus_space_write_1(t,h,ASI_OFF_ALE,reg+IPAC_HSCXB_OFF);
bus_space_write_1(t,h,ASI_OFF_RW,data);
break;
case ISIC_WHAT_IPAC:
bus_space_write_1(t,h,ASI_OFF_ALE,reg+IPAC_IPAC_OFF);
bus_space_write_1(t,h,ASI_OFF_RW,data);
break;
}
}
/*---------------------------------------------------------------------------*
* Asuscom ISDNlink 128K ISAC get register routine
*---------------------------------------------------------------------------*/
static u_int8_t
asi_read_reg(struct l1_softc *sc,int what,bus_size_t reg)
{
bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]);
bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
switch ( what )
{
case ISIC_WHAT_ISAC:
bus_space_write_1(t,h,ASI_OFF_ALE,reg+IPAC_ISAC_OFF);
return bus_space_read_1(t,h,ASI_OFF_RW);
case ISIC_WHAT_HSCXA:
bus_space_write_1(t,h,ASI_OFF_ALE,reg+IPAC_HSCXA_OFF);
return bus_space_read_1(t,h,ASI_OFF_RW);
case ISIC_WHAT_HSCXB:
bus_space_write_1(t,h,ASI_OFF_ALE,reg+IPAC_HSCXB_OFF);
return bus_space_read_1(t,h,ASI_OFF_RW);
case ISIC_WHAT_IPAC:
bus_space_write_1(t,h,ASI_OFF_ALE,reg+IPAC_IPAC_OFF);
return bus_space_read_1(t,h,ASI_OFF_RW);
default:
return 0;
}
}
/*---------------------------------------------------------------------------*
* isic_attach_siemens_isurf - attach for Asuscom ISDNlink 128K
*---------------------------------------------------------------------------*/
int
isic_attach_asi(device_t dev)
{
int unit = device_get_unit(dev);
struct l1_softc *sc = &l1_sc[unit];
/* setup access routines */
sc->clearirq = NULL;
sc->readreg = asi_read_reg;
sc->writereg = asi_write_reg;
sc->readfifo = asi_read_fifo;
sc->writefifo = asi_write_fifo;
/* setup card type */
sc->sc_cardtyp = CARD_TYPEP_ASUSCOMIPAC;
/* setup IOM bus type */
sc->sc_bustyp = BUS_TYPE_IOM2;
/* setup chip type = IPAC ! */
sc->sc_ipac = 1;
sc->sc_bfifolen = IPAC_BFIFO_LEN;
/* enable hscx/isac irq's */
/*
* This has been taken from Linux driver.
* (Removed initialization that was not applicaple to
* this board or was already register default setting.)
*/
IPAC_WRITE (IPAC_ACFG, 0xff); /* Setup AUX pin modes */
IPAC_WRITE (IPAC_AOE, 0x0); /* Setup AUX pin modes */
IPAC_WRITE (IPAC_MASK, (IPAC_MASK_INT1 | IPAC_MASK_INT0));
return(0);
}
#endif /* (NISIC > 0) && defined (ASUSCOM_IPAC) */
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