freebsd-skq/sys/i4b/layer1/i4b_tel_s0163.c

373 lines
11 KiB
C

/*
* Copyright (c) 1996 Arne Helme. All rights reserved.
*
* Copyright (c) 1996 Gary Jennejohn. All rights reserved.
*
* Copyright (c) 1997, 1999 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.
* 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 - I4B Siemens ISDN Chipset Driver for Teles S0/16.3
* ========================================================
*
* $Id: i4b_tel_s0163.c,v 1.2 1999/12/13 21:25:27 hm Exp $
*
* $FreeBSD$
*
* last edit-date: [Mon Dec 13 22:02:55 1999]
*
*---------------------------------------------------------------------------*/
#include "isic.h"
#include "opt_i4b.h"
#if NISIC > 0 && defined(TEL_S0_16_3)
#include <sys/param.h>
#include <sys/ioccom.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/mbuf.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/i4b_l1.h>
#include <i4b/layer1/i4b_isac.h>
#include <i4b/layer1/i4b_hscx.h>
#include <i4b/include/i4b_global.h>
#include <i4b/include/i4b_l1l2.h>
#include <i4b/include/i4b_mbuf.h>
static u_char intr_no[] = { 1, 1, 0, 2, 4, 6, 1, 1, 1, 0, 8, 10, 12, 1, 1, 14 };
#define ISAC_OFFS 0x420
#define HSCXA_OFFS 0xc20
#define HSCXB_OFFS 0x820
/*---------------------------------------------------------------------------*
* Teles S0/16.3 read fifo routine
*---------------------------------------------------------------------------*/
static void
tels0163_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[what+1]);
bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+1]);
bus_space_read_multi_1(t,h,0x3e,buf,size);
}
/*---------------------------------------------------------------------------*
* Teles S0/16.3 write fifo routine
*---------------------------------------------------------------------------*/
static void
tels0163_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[what+1]);
bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+1]);
bus_space_write_multi_1(t,h,0x3e,buf,size);
}
/*---------------------------------------------------------------------------*
* Teles S0/16.3 ISAC put register routine
*---------------------------------------------------------------------------*/
static void
tels0163_write_reg(struct l1_softc *sc, int what, bus_size_t offs, u_int8_t data)
{
bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[what+1]);
bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+1]);
bus_space_write_1(t,h,offs,data);
}
/*---------------------------------------------------------------------------*
* Teles S0/16.3 ISAC get register routine
*---------------------------------------------------------------------------*/
static u_int8_t
tels0163_read_reg(struct l1_softc *sc, int what, bus_size_t offs)
{
bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[what+1]);
bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+1]);
return bus_space_read_1(t,h,offs);
}
/*---------------------------------------------------------------------------*
* isic_probe_s0163 - probe routine for Teles S0/16.3
*---------------------------------------------------------------------------*/
int
isic_probe_s0163(device_t dev)
{
size_t unit = device_get_unit(dev); /* get unit */
struct l1_softc *sc = 0; /* pointer to softc */
void *ih = 0; /* dummy */
bus_space_tag_t t; /* bus things */
bus_space_handle_t h;
u_int8_t b0,b1,b2; /* signature */
/* check max unit range */
if(unit >= ISIC_MAXUNIT)
{
printf("isic%d: Error, unit %d >= ISIC_MAXUNIT for Teles 16.3!\n",
unit, unit);
return(ENXIO);
}
sc = &l1_sc[unit]; /* get pointer to softc */
sc->sc_unit = unit; /* set unit */
sc->sc_flags = FLAG_TELES_S0_163; /* set flags */
/* see if an io base was supplied */
if(!(sc->sc_resources.io_base[0] =
bus_alloc_resource(dev, SYS_RES_IOPORT,
&sc->sc_resources.io_rid[0],
0ul, ~0ul, 1, RF_ACTIVE)))
{
printf("isic%d: Could not get iobase for Teles S0/16.3.\n",
unit);
return(ENXIO);
}
/* set io base */
sc->sc_port = rman_get_start(sc->sc_resources.io_base[0]);
switch(sc->sc_port)
{
case 0xd80:
case 0xe80:
case 0xf80:
break;
case 0x180:
case 0x280:
case 0x380:
printf("isic%d: Error, instead of using iobase 0x%x for your Teles S0/16.3,\n",
unit, sc->sc_port);
printf("isic%d: please use 0x%x in the kernel configuration file!\n",
unit, sc->sc_port+0xc00);
isic_detach_common(dev);
return(ENXIO);
break;
default:
printf("isic%d: Error, invalid iobase 0x%x specified for Teles S0/16.3!\n",
unit, sc->sc_port);
isic_detach_common(dev);
return(ENXIO);
break;
}
/* set io port resources */
sc->sc_resources.io_rid[1] = 1;
bus_set_resource(dev, SYS_RES_IOPORT, 1,
sc->sc_port-ISAC_OFFS, 0x40);
sc->sc_resources.io_base[1] =
bus_alloc_resource(dev, SYS_RES_IOPORT,
&sc->sc_resources.io_rid[1],
0ul, ~0ul, 1, RF_ACTIVE);
if(!sc->sc_resources.io_base[1])
{
printf("isic%d: Error allocating io at 0x%x for Teles S0/16.3!\n",
unit, sc->sc_port-ISAC_OFFS);
isic_detach_common(dev);
return ENXIO;
}
sc->sc_resources.io_rid[2] = 2;
bus_set_resource(dev, SYS_RES_IOPORT, 2,
sc->sc_port-HSCXA_OFFS, 0x40);
sc->sc_resources.io_base[2] =
bus_alloc_resource(dev, SYS_RES_IOPORT,
&sc->sc_resources.io_rid[2],
0ul, ~0ul, 1, RF_ACTIVE);
if(!sc->sc_resources.io_base[2])
{
printf("isic%d: Error allocating io at 0x%x for Teles S0/16.3!\n",
unit, sc->sc_port-HSCXA_OFFS);
isic_detach_common(dev);
return ENXIO;
}
sc->sc_resources.io_rid[3] = 3;
bus_set_resource(dev, SYS_RES_IOPORT, 3,
sc->sc_port-HSCXB_OFFS, 0x40);
sc->sc_resources.io_base[3] =
bus_alloc_resource(dev, SYS_RES_IOPORT,
&sc->sc_resources.io_rid[3],
0ul, ~0ul, 1, RF_ACTIVE);
if(!sc->sc_resources.io_base[3])
{
printf("isic%d: Error allocating io at 0x%x for Teles S0/16.3!\n",
unit, sc->sc_port-HSCXB_OFFS);
isic_detach_common(dev);
return ENXIO;
}
/* setup access routines */
sc->clearirq = NULL;
sc->readreg = tels0163_read_reg;
sc->writereg = tels0163_write_reg;
sc->readfifo = tels0163_read_fifo;
sc->writefifo = tels0163_write_fifo;
/* setup card type */
sc->sc_cardtyp= CARD_TYPEP_16_3;
/* setup IOM bus type */
sc->sc_bustyp = BUS_TYPE_IOM2;
sc->sc_ipac = 0;
sc->sc_bfifolen = HSCX_FIFO_LEN;
t = rman_get_bustag(sc->sc_resources.io_base[0]);
h = rman_get_bushandle(sc->sc_resources.io_base[0]);
b0 = bus_space_read_1(t, h, 0);
b1 = bus_space_read_1(t, h, 1);
b2 = bus_space_read_1(t, h, 2);
if ( b0 != 0x51 && b0 != 0x10 ) {
printf("isic%d: Error, signature 1 0x%x != 0x51 or 0x10 for Teles S0/16.3!\n",
unit, b0);
isic_detach_common(dev);
return ENXIO;
}
if ( b1 != 0x93 ) {
printf("isic%d: Error, signature 2 0x%x != 0x93 for Teles S0/16.3!\n",
unit, b1);
isic_detach_common(dev);
return ENXIO;
}
if ( b2 != 0x1c ) {
printf("isic%d: Error, signature 3 0x%x != 0x1c for Teles S0/16.3!\n",
unit, b2);
isic_detach_common(dev);
return ENXIO;
}
/*
* Read HSCX A/B VSTR. Expected value for the S0/16.3 card is
* 0x05 or 0x04 (for older 16.3's) in the least significant bits.
*/
if( (((HSCX_READ(0, H_VSTR) & 0xf) != 0x5) &&
((HSCX_READ(0, H_VSTR) & 0xf) != 0x4)) ||
(((HSCX_READ(1, H_VSTR) & 0xf) != 0x5) &&
((HSCX_READ(1, H_VSTR) & 0xf) != 0x4)) )
{
printf("isic%d: HSCX VSTR test failed for Teles S0/16.3\n",
unit);
printf("isic%d: HSC0: VSTR: %#x\n",
unit, HSCX_READ(0, H_VSTR));
printf("isic%d: HSC1: VSTR: %#x\n",
unit, HSCX_READ(1, H_VSTR));
isic_detach_common(dev);
return (ENXIO);
}
/* get our irq */
if(!(sc->sc_resources.irq =
bus_alloc_resource(dev, SYS_RES_IRQ,
&sc->sc_resources.irq_rid,
0ul, ~0ul, 1, RF_ACTIVE)))
{
printf("isic%d: Could not get IRQ for Teles S0/16.3.\n",unit);
isic_detach_common(dev);
return ENXIO;
}
/* get the irq number */
sc->sc_irq = rman_get_start(sc->sc_resources.irq);
switch(sc->sc_irq)
{
case 2:
case 9:
case 5:
case 10:
case 12:
case 15:
break;
default:
printf("isic%d: Error, invalid IRQ [%d] specified for Teles S0/16.3!\n",
unit, sc->sc_irq);
isic_detach_common(dev);
return(ENXIO);
break;
}
/* register interupt routine */
bus_setup_intr(dev, sc->sc_resources.irq,
INTR_TYPE_NET,
(void(*)(void *))(isicintr),
sc, &ih);
return (0);
}
/*---------------------------------------------------------------------------*
* isic_attach_s0163 - attach Teles S0/16.3 and compatibles
*---------------------------------------------------------------------------*/
int
isic_attach_s0163(device_t dev)
{
unsigned int unit = device_get_unit(dev); /* get unit */
struct l1_softc *sc = &l1_sc[unit];
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]);
/* configure IRQ */
DELAY(SEC_DELAY / 10);
bus_space_write_1(t, h, 4, intr_no[sc->sc_irq]);
DELAY(SEC_DELAY / 10);
bus_space_write_1(t, h, 4, intr_no[sc->sc_irq] | 0x01);
return (0);
}
#endif /* ISIC > 0 */