400 lines
12 KiB
C
400 lines
12 KiB
C
/*
|
|
* Copyright (c) 1999, 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 ELSA MicroLink ISDN/PCC-16
|
|
* =====================================================================
|
|
*
|
|
* This should now also work for an ELSA PCFpro.
|
|
*
|
|
* $Id: i4b_elsa_pcc16.c,v 1.4 2000/07/19 07:51:22 hm Exp $
|
|
*
|
|
* $FreeBSD$
|
|
*
|
|
* last edit-date: [Fri Oct 13 16:00:01 2000]
|
|
*
|
|
*---------------------------------------------------------------------------*/
|
|
|
|
#include "isic.h"
|
|
#include "opt_i4b.h"
|
|
|
|
#if (NISIC > 0) && defined(ELSA_PCC16)
|
|
|
|
#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>
|
|
|
|
static void i4b_epcc16_clrirq(struct l1_softc *sc);
|
|
|
|
/* masks for register encoded in base addr */
|
|
|
|
#define ELSA_BASE_MASK 0x0ffff
|
|
#define ELSA_OFF_MASK 0xf0000
|
|
|
|
/* register id's to be encoded in base addr */
|
|
|
|
#define ELSA_IDISAC 0x00000
|
|
#define ELSA_IDHSCXA 0x10000
|
|
#define ELSA_IDHSCXB 0x20000
|
|
|
|
/* offsets from base address */
|
|
|
|
#define ELSA_OFF_ISAC 0x00
|
|
#define ELSA_OFF_HSCX 0x02
|
|
#define ELSA_OFF_OFF 0x03
|
|
#define ELSA_OFF_CTRL 0x04
|
|
#define ELSA_OFF_CFG 0x05
|
|
#define ELSA_OFF_TIMR 0x06
|
|
#define ELSA_OFF_IRQ 0x07
|
|
|
|
/* control register (write access) */
|
|
|
|
#define ELSA_CTRL_LED_YELLOW 0x02
|
|
#define ELSA_CTRL_LED_GREEN 0x08
|
|
#define ELSA_CTRL_RESET 0x20
|
|
#define ELSA_CTRL_TIMEREN 0x80
|
|
#define ELSA_CTRL_SECRET 0x50
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* ELSA MicroLink ISDN/PCC-16 clear IRQ routine
|
|
*---------------------------------------------------------------------------*/
|
|
static void
|
|
i4b_epcc16_clrirq(struct l1_softc *sc)
|
|
{
|
|
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]);
|
|
bus_space_write_1(t, h, ELSA_OFF_IRQ, 0);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* ELSA MicroLink ISDN/PCC-16 ISAC get fifo routine
|
|
*---------------------------------------------------------------------------*/
|
|
static void
|
|
epcc16_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, ELSA_OFF_OFF, 0);
|
|
bus_space_read_multi_1(t, h, ELSA_OFF_ISAC, buf, size);
|
|
break;
|
|
case ISIC_WHAT_HSCXA:
|
|
bus_space_write_1(t, h, ELSA_OFF_OFF, 0);
|
|
bus_space_read_multi_1(t, h, ELSA_OFF_HSCX, buf, size);
|
|
break;
|
|
case ISIC_WHAT_HSCXB:
|
|
bus_space_write_1(t, h, ELSA_OFF_OFF, 0x40);
|
|
bus_space_read_multi_1(t, h, ELSA_OFF_HSCX, buf, size);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* ELSA MicroLink ISDN/PCC-16 ISAC put fifo routine
|
|
*---------------------------------------------------------------------------*/
|
|
static void
|
|
epcc16_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, ELSA_OFF_OFF, 0);
|
|
bus_space_write_multi_1(t, h, ELSA_OFF_ISAC, buf, size);
|
|
break;
|
|
case ISIC_WHAT_HSCXA:
|
|
bus_space_write_1(t, h, ELSA_OFF_OFF, 0);
|
|
bus_space_write_multi_1(t, h, ELSA_OFF_HSCX, buf, size);
|
|
break;
|
|
case ISIC_WHAT_HSCXB:
|
|
bus_space_write_1(t, h, ELSA_OFF_OFF, 0x40);
|
|
bus_space_write_multi_1(t, h, ELSA_OFF_HSCX, buf, size);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* ELSA MicroLink ISDN/PCC-16 ISAC put register routine
|
|
*---------------------------------------------------------------------------*/
|
|
static void
|
|
epcc16_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[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, ELSA_OFF_OFF, offs);
|
|
bus_space_write_1(t, h, ELSA_OFF_ISAC, data);
|
|
break;
|
|
case ISIC_WHAT_HSCXA:
|
|
bus_space_write_1(t, h, ELSA_OFF_OFF, offs);
|
|
bus_space_write_1(t, h, ELSA_OFF_HSCX, data);
|
|
break;
|
|
case ISIC_WHAT_HSCXB:
|
|
bus_space_write_1(t, h, ELSA_OFF_OFF, 0x40+offs);
|
|
bus_space_write_1(t, h, ELSA_OFF_HSCX, data);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* ELSA MicroLink ISDN/PCC-16 ISAC get register routine
|
|
*---------------------------------------------------------------------------*/
|
|
static u_int8_t
|
|
epcc16_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[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, ELSA_OFF_OFF, offs);
|
|
return bus_space_read_1(t, h, ELSA_OFF_ISAC);
|
|
case ISIC_WHAT_HSCXA:
|
|
bus_space_write_1(t, h, ELSA_OFF_OFF, offs);
|
|
return bus_space_read_1(t, h, ELSA_OFF_HSCX);
|
|
case ISIC_WHAT_HSCXB:
|
|
bus_space_write_1(t, h, ELSA_OFF_OFF, 0x40+offs);
|
|
return bus_space_read_1(t, h, ELSA_OFF_HSCX);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* isic_detach_Epcc16 - detach for ELSA MicroLink ISDN/PCC-16
|
|
*---------------------------------------------------------------------------*/
|
|
static void
|
|
isic_detach_Epcc16(device_t dev)
|
|
{
|
|
struct l1_softc *sc = &l1_sc[device_get_unit(dev)];
|
|
|
|
if ( sc->sc_resources.irq )
|
|
{
|
|
bus_teardown_intr(dev,sc->sc_resources.irq,
|
|
(void(*)(void *))isicintr);
|
|
bus_release_resource(dev,SYS_RES_IRQ,
|
|
sc->sc_resources.irq_rid,
|
|
sc->sc_resources.irq);
|
|
sc->sc_resources.irq = 0;
|
|
}
|
|
|
|
if ( sc->sc_resources.io_base[0] ) {
|
|
bus_release_resource(dev,SYS_RES_IOPORT,
|
|
sc->sc_resources.io_rid[0],
|
|
sc->sc_resources.io_base[0]);
|
|
sc->sc_resources.io_base[0] = 0;
|
|
}
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* isic_probe_Epcc16 - probe for ELSA MicroLink ISDN/PCC-16
|
|
*---------------------------------------------------------------------------*/
|
|
int
|
|
isic_probe_Epcc16(device_t dev)
|
|
{
|
|
size_t unit = device_get_unit(dev); /* get unit */
|
|
struct l1_softc *sc = 0; /* pointer to softc */
|
|
void *ih = 0; /* dummy */
|
|
|
|
/* check max unit range */
|
|
if(unit >= ISIC_MAXUNIT)
|
|
{
|
|
printf("isic%d: Error, unit %d >= ISIC_MAXUNIT for ELSA PCC-16!\n",
|
|
unit, unit);
|
|
return(ENXIO);
|
|
}
|
|
|
|
sc = &l1_sc[unit]; /* get pointer to softc */
|
|
|
|
sc->sc_unit = unit; /* set unit */
|
|
|
|
sc->sc_flags = FLAG_ELSA_PCC16; /* 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 ELSA PCC-16.\n",
|
|
unit);
|
|
return(ENXIO);
|
|
}
|
|
|
|
/* check if we got an iobase */
|
|
|
|
sc->sc_port = rman_get_start(sc->sc_resources.io_base[0]);
|
|
|
|
switch(sc->sc_port)
|
|
{
|
|
case 0x160:
|
|
case 0x170:
|
|
case 0x260:
|
|
case 0x360:
|
|
break;
|
|
default:
|
|
printf("isic%d: Error, invalid iobase 0x%x specified for ELSA MicroLink ISDN/PCC-16!\n",
|
|
unit, sc->sc_port);
|
|
isic_detach_Epcc16(dev);
|
|
return(ENXIO);
|
|
break;
|
|
}
|
|
|
|
/* setup access routines */
|
|
|
|
sc->clearirq = i4b_epcc16_clrirq;
|
|
sc->readreg = epcc16_read_reg;
|
|
sc->writereg = epcc16_write_reg;
|
|
|
|
sc->readfifo = epcc16_read_fifo;
|
|
sc->writefifo = epcc16_write_fifo;
|
|
|
|
/* setup card type */
|
|
|
|
sc->sc_cardtyp = CARD_TYPEP_ELSAQS1ISA;
|
|
|
|
/* 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 the ELSA PCC-16
|
|
* is 0x05 ( = version 2.1 ) in the least significant bits.
|
|
*/
|
|
|
|
if( ((HSCX_READ(0, H_VSTR) & 0xf) != 0x5) ||
|
|
((HSCX_READ(1, H_VSTR) & 0xf) != 0x5) )
|
|
{
|
|
/* patch from "Doobee R . Tzeck" <drt@ailis.de>:
|
|
* I own an ELSA PCFpro. To my knowledge, the ELSA PCC16 is
|
|
* a stripped down Version on the PCFpro. By patching the
|
|
* card detection routine for the PPC16 I was able to use
|
|
* the PPC16 driver for the PCFpro.
|
|
*/
|
|
if( ((HSCX_READ(0, H_VSTR) & 0xf) != 0x85) ||
|
|
((HSCX_READ(1, H_VSTR) & 0xf) != 0x85) )
|
|
{
|
|
printf("isic%d: HSCX VSTR test failed for ELSA MicroLink ISDN/PCC-16\n",
|
|
unit);
|
|
isic_detach_Epcc16(dev);
|
|
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);
|
|
}
|
|
else
|
|
{
|
|
printf("isic%d: ELSA MicroLink ISDN/PCFpro found, going to tread it as PCC-16\n",
|
|
unit);
|
|
}
|
|
}
|
|
|
|
/* 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.\n",unit);
|
|
isic_detach_Epcc16(dev);
|
|
return ENXIO;
|
|
}
|
|
|
|
/* get the irq number */
|
|
sc->sc_irq = rman_get_start(sc->sc_resources.irq);
|
|
|
|
/* check IRQ validity */
|
|
switch(sc->sc_irq)
|
|
{
|
|
case 2:
|
|
case 9:
|
|
case 3:
|
|
case 5:
|
|
case 10:
|
|
case 11:
|
|
case 15:
|
|
break;
|
|
|
|
default:
|
|
printf("isic%d: Error, invalid IRQ [%d] specified for ELSA MicroLink ISDN/PCC-16!\n",
|
|
unit, sc->sc_irq);
|
|
isic_detach_Epcc16(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_Epcc16 - attach for ELSA MicroLink ISDN/PCC-16
|
|
*---------------------------------------------------------------------------*/
|
|
int
|
|
isic_attach_Epcc16(device_t dev)
|
|
{
|
|
int 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]);
|
|
|
|
u_char byte = ELSA_CTRL_SECRET;
|
|
|
|
byte &= ~ELSA_CTRL_RESET;
|
|
bus_space_write_1(t, h, ELSA_OFF_CTRL, byte);
|
|
DELAY(20);
|
|
byte |= ELSA_CTRL_RESET;
|
|
bus_space_write_1(t, h, ELSA_OFF_CTRL, byte);
|
|
|
|
DELAY(20);
|
|
bus_space_write_1(t, h, ELSA_OFF_IRQ, 0xff);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif /* (NISIC > 0) && defined(ELSA_PCC16) */
|