415 lines
13 KiB
C
415 lines
13 KiB
C
/*
|
|
* Copyright (c) 1996 Andrew Gordon. 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.
|
|
* 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.
|
|
*
|
|
*---------------------------------------------------------------------------
|
|
*
|
|
* i4b_avm_a1.c - AVM A1/Fritz passive card driver for isdn4bsd
|
|
* ------------------------------------------------------------
|
|
*
|
|
* $Id: i4b_avm_a1.c,v 1.3 2000/05/29 15:41:41 hm Exp $
|
|
*
|
|
* $FreeBSD$
|
|
*
|
|
* last edit-date: [Mon May 29 16:42:06 2000]
|
|
*
|
|
*---------------------------------------------------------------------------*/
|
|
|
|
#include "isic.h"
|
|
#include "opt_i4b.h"
|
|
|
|
#if NISIC > 0 && defined(AVM_A1)
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/socket.h>
|
|
|
|
#include <net/if.h>
|
|
|
|
|
|
#include <machine/i4b_ioctl.h>
|
|
|
|
|
|
#include <i4b/layer1/isic/i4b_isic.h>
|
|
#include <i4b/layer1/isic/i4b_hscx.h>
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* AVM A1 and AVM Fritz! Card special registers
|
|
*---------------------------------------------------------------------------*/
|
|
|
|
#define AVM_CONF_REG 0x1800 /* base offset for config register */
|
|
#define AVM_CONF_IRQ 0x1801 /* base offset for IRQ register */
|
|
/* config register write */
|
|
#define AVM_CONF_WR_RESET 0x01 /* 1 = RESET ISAC and HSCX */
|
|
#define AVM_CONF_WR_CCL 0x02 /* 1 = clear counter low nibble */
|
|
#define AVM_CONF_WR_CCH 0x04 /* 1 = clear counter high nibble */
|
|
#define AVM_CONF_WR_IRQEN 0x08 /* 1 = enable IRQ */
|
|
#define AVM_CONF_WR_TEST 0x10 /* test bit */
|
|
/* config register read */
|
|
#define AVM_CONF_RD_IIRQ 0x01 /* 0 = ISAC IRQ active */
|
|
#define AVM_CONF_RD_HIRQ 0x02 /* 0 = HSCX IRQ active */
|
|
#define AVM_CONF_RD_CIRQ 0x04 /* 0 = counter IRQ active */
|
|
#define AVM_CONF_RD_ZER1 0x08 /* unused, always read 0 */
|
|
#define AVM_CONF_RD_TEST 0x10 /* test bit read back */
|
|
#define AVM_CONF_RD_ZER2 0x20 /* unused, always read 0 */
|
|
|
|
#define AVM_ISAC_R_OFFS (0x1400-0x20)
|
|
#define AVM_HSCXA_R_OFFS (0x400-0x20)
|
|
#define AVM_HSCXB_R_OFFS (0xc00-0x20)
|
|
#define AVM_ISAC_F_OFFS (0x1400-0x20-0x3e0)
|
|
#define AVM_HSCXA_F_OFFS (0x400-0x20-0x3e0)
|
|
#define AVM_HSCXB_F_OFFS (0xc00-0x20-0x3e0)
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* AVM read fifo routine
|
|
*---------------------------------------------------------------------------*/
|
|
static void
|
|
avma1_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+4]);
|
|
bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+4]);
|
|
bus_space_read_multi_1(t, h, 0, buf, size);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* AVM write fifo routine
|
|
*---------------------------------------------------------------------------*/
|
|
static void
|
|
avma1_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+4]);
|
|
bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+4]);
|
|
bus_space_write_multi_1(t, h, 0, (u_int8_t*)buf, size);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* AVM write register routine
|
|
*---------------------------------------------------------------------------*/
|
|
static void
|
|
avma1_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);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* AVM read register routine
|
|
*---------------------------------------------------------------------------*/
|
|
static u_int8_t
|
|
avma1_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);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* allocate an io port
|
|
*---------------------------------------------------------------------------*/
|
|
static int
|
|
isic_alloc_port(device_t dev, int rid, u_int base, u_int len)
|
|
{
|
|
size_t unit = device_get_unit(dev);
|
|
struct l1_softc *sc = &l1_sc[unit];
|
|
|
|
sc->sc_resources.io_rid[rid] = rid;
|
|
|
|
bus_set_resource(dev, SYS_RES_IOPORT, rid, base, len);
|
|
|
|
if(!(sc->sc_resources.io_base[rid] =
|
|
bus_alloc_resource(dev, SYS_RES_IOPORT,
|
|
&sc->sc_resources.io_rid[rid],
|
|
0ul, ~0ul, 1, RF_ACTIVE)))
|
|
{
|
|
printf("isic%d: Error, failed to reserve io #%d!\n", unit, rid);
|
|
isic_detach_common(dev);
|
|
return(ENXIO);
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* isic_probe_avma1 - probe for AVM A1 and compatibles
|
|
*---------------------------------------------------------------------------*/
|
|
int
|
|
isic_probe_avma1(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_char savebyte;
|
|
u_char byte;
|
|
|
|
/* check max unit range */
|
|
|
|
if(unit >= ISIC_MAXUNIT)
|
|
{
|
|
printf("isic%d: Error, unit %d >= ISIC_MAXUNIT for AVM A1/Fritz!\n",
|
|
unit, unit);
|
|
return(ENXIO);
|
|
}
|
|
|
|
sc = &l1_sc[unit]; /* get pointer to softc */
|
|
sc->sc_unit = unit; /* set unit */
|
|
sc->sc_flags = FLAG_AVM_A1; /* 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 AVM A1/Fritz!\n",
|
|
unit);
|
|
return(ENXIO);
|
|
}
|
|
|
|
/* set io base */
|
|
|
|
sc->sc_port = rman_get_start(sc->sc_resources.io_base[0]);
|
|
|
|
/* release io base */
|
|
|
|
bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_resources.io_rid[0],
|
|
sc->sc_resources.io_base[0]);
|
|
|
|
switch(sc->sc_port)
|
|
{
|
|
case 0x200:
|
|
case 0x240:
|
|
case 0x300:
|
|
case 0x340:
|
|
break;
|
|
|
|
default:
|
|
printf("isic%d: Error, invalid iobase 0x%x specified for AVM A1/Fritz!\n",
|
|
unit, sc->sc_port);
|
|
return(ENXIO);
|
|
break;
|
|
}
|
|
|
|
if(isic_alloc_port(dev, 0, sc->sc_port+AVM_CONF_REG, 0x20))
|
|
return(ENXIO);
|
|
|
|
if(isic_alloc_port(dev, 1, sc->sc_port+AVM_ISAC_R_OFFS, 0x20))
|
|
return(ENXIO);
|
|
|
|
if(isic_alloc_port(dev, 2, sc->sc_port+AVM_HSCXA_R_OFFS, 0x20))
|
|
return(ENXIO);
|
|
|
|
if(isic_alloc_port(dev, 3, sc->sc_port+AVM_HSCXB_R_OFFS, 0x20))
|
|
return(ENXIO);
|
|
|
|
if(isic_alloc_port(dev, 4, sc->sc_port+AVM_ISAC_F_OFFS, 0x20))
|
|
return(ENXIO);
|
|
|
|
if(isic_alloc_port(dev, 5, sc->sc_port+AVM_HSCXA_F_OFFS, 0x20))
|
|
return(ENXIO);
|
|
|
|
if(isic_alloc_port(dev, 6, sc->sc_port+AVM_HSCXB_F_OFFS, 0x20))
|
|
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 an irq for AVM A1/Fritz!\n",unit);
|
|
isic_detach_common(dev);
|
|
return ENXIO;
|
|
}
|
|
|
|
/* get the irq number */
|
|
sc->sc_irq = rman_get_start(sc->sc_resources.irq);
|
|
|
|
/* register interupt routine */
|
|
bus_setup_intr(dev, sc->sc_resources.irq, INTR_TYPE_NET,
|
|
(void(*)(void *))(isicintr),
|
|
sc, &ih);
|
|
|
|
/* check IRQ validity */
|
|
|
|
switch(sc->sc_irq)
|
|
{
|
|
case 3:
|
|
case 4:
|
|
case 5:
|
|
case 6:
|
|
case 7:
|
|
case 8:
|
|
case 10:
|
|
case 11:
|
|
case 12:
|
|
case 13:
|
|
case 14:
|
|
case 15:
|
|
break;
|
|
|
|
default:
|
|
printf("isic%d: Error, invalid IRQ [%d] specified for AVM A1/Fritz!\n",
|
|
unit, sc->sc_irq);
|
|
isic_detach_common(dev);
|
|
return(ENXIO);
|
|
break;
|
|
}
|
|
|
|
sc->clearirq = NULL;
|
|
sc->readreg = avma1_read_reg;
|
|
sc->writereg = avma1_write_reg;
|
|
|
|
sc->readfifo = avma1_read_fifo;
|
|
sc->writefifo = avma1_write_fifo;
|
|
|
|
/* setup card type */
|
|
|
|
sc->sc_cardtyp = CARD_TYPEP_AVMA1;
|
|
|
|
/* setup IOM bus type */
|
|
|
|
sc->sc_bustyp = BUS_TYPE_IOM2;
|
|
|
|
sc->sc_ipac = 0;
|
|
sc->sc_bfifolen = HSCX_FIFO_LEN;
|
|
|
|
/*
|
|
* Read HSCX A/B VSTR.
|
|
* Expected value for AVM A1 is 0x04 or 0x05 and for the
|
|
* AVM Fritz!Card is 0x05 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 AVM A1/Fritz\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));
|
|
return(ENXIO);
|
|
}
|
|
|
|
/* AVM A1 or Fritz! control register bits: */
|
|
/* read write */
|
|
/* 0x01 hscx irq* RESET */
|
|
/* 0x02 isac irq* clear counter1 */
|
|
/* 0x04 counter irq* clear counter2 */
|
|
/* 0x08 always 0 irq enable */
|
|
/* 0x10 read test bit set test bit */
|
|
/* 0x20 always 0 unused */
|
|
|
|
/*
|
|
* XXX the following test may be destructive, to prevent the
|
|
* worst case, we save the byte first, and in case the test
|
|
* fails, we write back the saved byte .....
|
|
*/
|
|
|
|
t = rman_get_bustag(sc->sc_resources.io_base[0]);
|
|
h = rman_get_bushandle(sc->sc_resources.io_base[0]);
|
|
|
|
savebyte = bus_space_read_1(t, h, 0);
|
|
|
|
/* write low to test bit */
|
|
|
|
bus_space_write_1(t, h, 0, 0x00);
|
|
|
|
/* test bit and next higher and lower bit must be 0 */
|
|
|
|
if((byte = bus_space_read_1(t, h, 0) & 0x38) != 0x00)
|
|
{
|
|
printf("isic%d: Error, probe-1 failed, 0x%02x should be 0x00 for AVM A1/Fritz!\n",
|
|
unit, byte);
|
|
bus_space_write_1(t, h, 0, savebyte);
|
|
return(ENXIO);
|
|
}
|
|
|
|
/* write high to test bit */
|
|
|
|
bus_space_write_1(t, h, 0, 0x10);
|
|
|
|
/* test bit must be high, next higher and lower bit must be 0 */
|
|
|
|
if((byte = bus_space_read_1(t, h, 0) & 0x38) != 0x10)
|
|
{
|
|
printf("isic%d: Error, probe-2 failed, 0x%02x should be 0x10 for AVM A1/Fritz!\n",
|
|
unit, byte);
|
|
bus_space_write_1(t, h, 0, savebyte);
|
|
return(ENXIO);
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* isic_attach_avma1 - attach AVM A1 and compatibles
|
|
*---------------------------------------------------------------------------*/
|
|
int
|
|
isic_attach_avma1(device_t dev)
|
|
{
|
|
size_t unit = device_get_unit(dev);
|
|
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]);
|
|
|
|
/* reset ISAC/HSCX */
|
|
|
|
bus_space_write_1(t, h, 0, 0x00);
|
|
DELAY(SEC_DELAY / 10);
|
|
|
|
bus_space_write_1(t, h, 0, AVM_CONF_WR_RESET);
|
|
DELAY(SEC_DELAY / 10);
|
|
|
|
bus_space_write_1(t, h, 0, 0x00);
|
|
DELAY(SEC_DELAY / 10);
|
|
|
|
/* setup IRQ */
|
|
|
|
bus_space_write_1(t, h, 1, sc->sc_irq);
|
|
DELAY(SEC_DELAY / 10);
|
|
|
|
/* enable IRQ, disable counter IRQ */
|
|
|
|
bus_space_write_1(t, h, 0, AVM_CONF_WR_IRQEN |
|
|
AVM_CONF_WR_CCH | AVM_CONF_WR_CCL);
|
|
DELAY(SEC_DELAY / 10);
|
|
|
|
return(0);
|
|
}
|
|
|
|
#endif /* NISIC > 0 && defined(AVM_A1) */
|