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freebsd/sys/i4b/layer1/isic/i4b_usr_sti.c

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/*-
* Copyright (c) 1997, 2001 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.
*/
/*---------------------------------------------------------------------------
*
* i4b_usr_sti.c - USRobotics Sportster ISDN TA intern (Tina-pp)
* -------------------------------------------------------------
* last edit-date: [Wed Jan 24 09:28:12 2001]
*
*---------------------------------------------------------------------------*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_i4b.h"
#if defined(USR_STI)
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <sys/socket.h>
#include <net/if.h>
#include <machine/i4b_ioctl.h>
#include <machine/i4b_trace.h>
#include <i4b/layer1/i4b_l1.h>
#include <i4b/layer1/isic/i4b_isic.h>
#include <i4b/layer1/isic/i4b_hscx.h>
/*---------------------------------------------------------------------------*
* USR Sportster TA intern special registers
*---------------------------------------------------------------------------*/
#define USR_HSCXA_OFF 0x0000
#define USR_HSCXB_OFF 0x4000
#define USR_INTL_OFF 0x8000
#define USR_ISAC_OFF 0xc000
#define USR_RES_BIT 0x80 /* 0 = normal, 1 = reset ISAC/HSCX */
#define USR_INTE_BIT 0x40 /* 0 = IRQ disabled, 1 = IRQ's enabled */
#define USR_IL_MASK 0x07 /* IRQ level config */
static u_char intr_no[] = { 0, 0, 0, 0, 0, 1, 0, 2, 0, 0, 3, 4, 5, 0, 6, 7 };
#define ADDR(reg) \
(((reg/4) * 1024) + ((reg%4) * 2))
#ifdef USRTA_DEBUG_PORTACCESS
int debugcntr;
#define USRTA_DEBUG(fmt) \
if (++debugcntr < 1000) printf fmt;
#else
#define USRTA_DEBUG(fmt)
#endif
/*---------------------------------------------------------------------------*
* USRobotics read fifo routine
*---------------------------------------------------------------------------*/
static void
usrtai_read_fifo(struct l1_softc *sc, int what, void *buf, size_t size)
{
register int offset = 0;
register unsigned int base = 0;
USRTA_DEBUG(("usrtai_read_fifo: what %d size %d\n", what, size))
switch (what)
{
case ISIC_WHAT_ISAC:
base = (unsigned int)ISAC_BASE;
break;
case ISIC_WHAT_HSCXA:
base = (unsigned int)HSCX_A_BASE;
break;
case ISIC_WHAT_HSCXB:
base = (unsigned int)HSCX_B_BASE;
break;
default:
printf("usrtai_read_fifo: invalid what %d\n", what);
return;
}
for(;size > 0; size--, offset++)
{
*((u_char *)buf + offset) = inb(base + ADDR(offset));
}
}
/*---------------------------------------------------------------------------*
* USRobotics write fifo routine
*---------------------------------------------------------------------------*/
static void
usrtai_write_fifo(struct l1_softc *sc, int what, void *data, size_t size)
{
register int offset = 0;
register unsigned int base = 0;
USRTA_DEBUG(("usrtai_write_fifo: what %d size %d\n", what, size))
switch (what)
{
case ISIC_WHAT_ISAC:
base = (unsigned int)ISAC_BASE;
break;
case ISIC_WHAT_HSCXA:
base = (unsigned int)HSCX_A_BASE;
break;
case ISIC_WHAT_HSCXB:
base = (unsigned int)HSCX_B_BASE;
break;
default:
printf("usrtai_write_fifo: invalid what %d\n", what);
return;
}
for(;size > 0; size--, offset++)
{
outb(base + ADDR(offset), *((u_char *)data + offset));
}
}
/*---------------------------------------------------------------------------*
* USRobotics write register routine
*---------------------------------------------------------------------------*/
static void
usrtai_write_reg(struct l1_softc *sc, int what, bus_size_t offs, u_int8_t data)
{
register unsigned int base = 0;
USRTA_DEBUG(("usrtai_write_reg: what %d ADDR(%d) %d data %#x\n", what, offs, ADDR(offs), data))
switch (what)
{
case ISIC_WHAT_ISAC:
base = (unsigned int)ISAC_BASE;
break;
case ISIC_WHAT_HSCXA:
base = (unsigned int)HSCX_A_BASE;
break;
case ISIC_WHAT_HSCXB:
base = (unsigned int)HSCX_B_BASE;
break;
default:
printf("usrtai_write_reg invalid what %d\n", what);
return;
}
outb(base + ADDR(offs), (u_char)data);
}
/*---------------------------------------------------------------------------*
* USRobotics read register routine
*---------------------------------------------------------------------------*/
static u_int8_t
usrtai_read_reg(struct l1_softc *sc, int what, bus_size_t offs)
{
register unsigned int base = 0;
u_int8_t byte;
USRTA_DEBUG(("usrtai_read_reg: what %d ADDR(%d) %d..", what, offs, ADDR(offs)))
switch (what)
{
case ISIC_WHAT_ISAC:
base = (unsigned int)ISAC_BASE;
break;
case ISIC_WHAT_HSCXA:
base = (unsigned int)HSCX_A_BASE;
break;
case ISIC_WHAT_HSCXB:
base = (unsigned int)HSCX_B_BASE;
break;
default:
printf("usrtai_read_reg: invalid what %d\n", what);
return(0);
}
byte = inb(base + ADDR(offs));
USRTA_DEBUG(("usrtai_read_reg: got %#x\n", byte))
return(byte);
}
/*---------------------------------------------------------------------------*
* allocate an io port - based on code in isa_isic.c
*---------------------------------------------------------------------------*/
static int
usrtai_alloc_port(device_t dev)
{
size_t unit = device_get_unit(dev);
struct l1_softc *sc = &l1_sc[unit];
int i, num = 0;
bus_size_t base;
/* 49 io mappings: 1 config and 48x8 registers */
/* config at offset 0x8000 */
base = sc->sc_port + 0x8000;
if (base < 0 || base > 0x0ffff)
return 1;
sc->sc_resources.io_rid[num] = num;
bus_set_resource(dev, SYS_RES_IOPORT, num, base, 1);
if(!(sc->sc_resources.io_base[num] =
bus_alloc_resource_any(dev, SYS_RES_IOPORT,
&sc->sc_resources.io_rid[num],
RF_ACTIVE)))
{
printf("isic%d: Error, failed to reserve io #%dport %#x!\n", unit, num, base);
isic_detach_common(dev);
return(ENXIO);
}
num++;
/* HSCX A at offset 0 */
base = sc->sc_port;
for (i = 0; i < 16; i++) {
if (base+i*1024 < 0 || base+i*1024+8 > 0x0ffff)
return 1;
sc->sc_resources.io_rid[num] = num;
bus_set_resource(dev, SYS_RES_IOPORT, num, base+i*1024, 8);
if(!(sc->sc_resources.io_base[num] =
bus_alloc_resource_any(dev, SYS_RES_IOPORT,
&sc->sc_resources.io_rid[num],
RF_ACTIVE)))
{
printf("isic%d: Error, failed to reserve io #%d port %#x!\n", unit, num, base+i*1024);
isic_detach_common(dev);
return(ENXIO);
}
++num;
}
/* HSCX B at offset 0x4000 */
base = sc->sc_port + 0x4000;
for (i = 0; i < 16; i++) {
if (base+i*1024 < 0 || base+i*1024+8 > 0x0ffff)
return 1;
sc->sc_resources.io_rid[num] = num;
bus_set_resource(dev, SYS_RES_IOPORT, num, base+i*1024, 8);
if(!(sc->sc_resources.io_base[num] =
bus_alloc_resource_any(dev, SYS_RES_IOPORT,
&sc->sc_resources.io_rid[num],
RF_ACTIVE)))
{
printf("isic%d: Error, failed to reserve io #%d port %#x!\n", unit, num, base+i*1024);
isic_detach_common(dev);
return(ENXIO);
}
++num;
}
/* ISAC at offset 0xc000 */
base = sc->sc_port + 0xc000;
for (i = 0; i < 16; i++) {
if (base+i*1024 < 0 || base+i*1024+8 > 0x0ffff)
return 1;
sc->sc_resources.io_rid[num] = num;
bus_set_resource(dev, SYS_RES_IOPORT, num, base+i*1024, 8);
if(!(sc->sc_resources.io_base[num] =
bus_alloc_resource_any(dev, SYS_RES_IOPORT,
&sc->sc_resources.io_rid[num],
RF_ACTIVE)))
{
printf("isic%d: Error, failed to reserve io #%d port %#x!\n", unit, num, base+i*1024);
isic_detach_common(dev);
return(ENXIO);
}
++num;
}
return(0);
}
/*---------------------------------------------------------------------------*
* isic_probe_usrtai - probe for USR
*---------------------------------------------------------------------------*/
int
isic_probe_usrtai(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 USR Sportster TA!\n",
unit, unit);
return(ENXIO);
}
sc = &l1_sc[unit]; /* get pointer to softc */
sc->sc_unit = unit; /* set unit */
/* see if an io base was supplied */
if(!(sc->sc_resources.io_base[0] =
bus_alloc_resource_any(dev, SYS_RES_IOPORT,
&sc->sc_resources.io_rid[0],
RF_ACTIVE)))
{
printf("isic%d: Could not get iobase for USR Sportster TA!\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]);
/* check if we got an iobase */
switch(sc->sc_port)
{
case 0x200:
case 0x208:
case 0x210:
case 0x218:
case 0x220:
case 0x228:
case 0x230:
case 0x238:
case 0x240:
case 0x248:
case 0x250:
case 0x258:
case 0x260:
case 0x268:
case 0x270:
case 0x278:
break;
default:
printf("isic%d: Error, invalid iobase 0x%x specified for USR Sportster TA!\n",
unit, sc->sc_port);
return(0);
break;
}
/* allocate all the ports needed */
if(usrtai_alloc_port(dev))
{
printf("isic%d: Could not get the ports for USR Sportster TA!\n", unit);
isic_detach_common(dev);
return(ENXIO);
}
/* get our irq */
if(!(sc->sc_resources.irq =
bus_alloc_resource_any(dev, SYS_RES_IRQ,
&sc->sc_resources.irq_rid,
RF_ACTIVE)))
{
printf("isic%d: Could not get an irq for USR Sportster TA!\n",unit);
isic_detach_common(dev);
return ENXIO;
}
/* get the irq number */
sc->sc_irq = rman_get_start(sc->sc_resources.irq);
/* register interrupt routine */
bus_setup_intr(dev, sc->sc_resources.irq, INTR_TYPE_NET,
(void(*)(void *))(isicintr),
sc, &ih);
/* check IRQ validity */
if(intr_no[sc->sc_irq] == 0)
{
printf("isic%d: Error, invalid IRQ [%d] specified for USR Sportster TA!\n",
unit, sc->sc_irq);
return(1);
}
/* setup ISAC access routines */
sc->clearirq = NULL;
sc->readreg = usrtai_read_reg;
sc->writereg = usrtai_write_reg;
sc->readfifo = usrtai_read_fifo;
sc->writefifo = usrtai_write_fifo;
/* setup card type */
sc->sc_cardtyp = CARD_TYPEP_USRTA;
/* setup IOM bus type */
sc->sc_bustyp = BUS_TYPE_IOM2;
sc->sc_ipac = 0;
sc->sc_bfifolen = HSCX_FIFO_LEN;
/* setup ISAC and HSCX base addr */
ISAC_BASE = (caddr_t)sc->sc_port + USR_ISAC_OFF;
HSCX_A_BASE = (caddr_t)sc->sc_port + USR_HSCXA_OFF;
HSCX_B_BASE = (caddr_t)sc->sc_port + USR_HSCXB_OFF;
/*
* Read HSCX A/B VSTR. Expected value for USR Sportster TA based
* boards is 0x05 in the least significant bits.
*/
if( ((HSCX_READ(0, H_VSTR) & 0xf) != 0x5) ||
((HSCX_READ(1, H_VSTR) & 0xf) != 0x5) )
{
printf("isic%d: HSCX VSTR test failed for USR Sportster TA\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 (1);
}
return (0);
}
/*---------------------------------------------------------------------------*
* isic_attach_usrtai - attach USR
*---------------------------------------------------------------------------*/
int
isic_attach_usrtai(device_t dev)
{
u_char irq = 0;
size_t unit = device_get_unit(dev); /* get unit */
struct l1_softc *sc = 0; /* pointer to softc */
sc = &l1_sc[unit]; /* get pointer to softc */
/* reset the HSCX and ISAC chips */
outb(sc->sc_port + USR_INTL_OFF, USR_RES_BIT);
DELAY(SEC_DELAY / 10);
outb(sc->sc_port + USR_INTL_OFF, 0x00);
DELAY(SEC_DELAY / 10);
/* setup IRQ */
if((irq = intr_no[sc->sc_irq]) == 0)
{
printf("isic%d: Attach error, invalid IRQ [%d] specified for USR Sportster TA!\n",
unit, sc->sc_irq);
return(1);
}
/* configure and enable irq */
outb(sc->sc_port + USR_INTL_OFF, irq | USR_INTE_BIT);
DELAY(SEC_DELAY / 10);
return (0);
}
#endif /* defined(USR_STI) */
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