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freebsd/sys/i4b/layer1/i4b_usr_sti.c
Peter Wemm c3aac50f28 $Id$ -> $FreeBSD$
1999-08-28 01:08:13 +00:00

441 lines
12 KiB
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/*
* 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.
*
* 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)
* -------------------------------------------------------------
*
* $FreeBSD$
*
* last edit-date: [Sun Feb 14 10:29:05 1999]
*
*---------------------------------------------------------------------------*/
#if defined(__FreeBSD__)
#include "isic.h"
#include "opt_i4b.h"
#else
#define NISIC 1
#endif
#if NISIC > 0 && defined(USR_STI)
#include <sys/param.h>
#if defined(__FreeBSD__) && __FreeBSD__ >= 3
#include <sys/ioccom.h>
#else
#include <sys/ioctl.h>
#endif
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#ifdef __FreeBSD__
#include <machine/clock.h>
#include <i386/isa/isa_device.h>
#else
#include <machine/bus.h>
#include <sys/device.h>
#endif
#include <sys/socket.h>
#include <net/if.h>
#ifdef __FreeBSD__
#include <machine/i4b_debug.h>
#include <machine/i4b_ioctl.h>
#else
#include <i4b/i4b_debug.h>
#include <i4b/i4b_ioctl.h>
#endif
#include <i4b/layer1/i4b_l1.h>
#include <i4b/layer1/i4b_isac.h>
#include <i4b/layer1/i4b_hscx.h>
#include <i4b/include/i4b_global.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 };
#ifdef __FreeBSD__
#define ADDR(reg) \
(((reg/4) * 1024) + ((reg%4) * 2))
/*---------------------------------------------------------------------------*
* USRobotics read fifo routine
*---------------------------------------------------------------------------*/
static void
usrtai_read_fifo(void *buf, const void *base, size_t len)
{
register int offset = 0;
for(;len > 0; len--, offset++)
*((u_char *)buf + offset) = inb((int)base + ADDR(offset));
}
/*---------------------------------------------------------------------------*
* USRobotics write fifo routine
*---------------------------------------------------------------------------*/
static void
usrtai_write_fifo(void *base, const void *buf, size_t len)
{
register int offset = 0;
for(;len > 0; len--, offset++)
outb((int)base + ADDR(offset), *((u_char *)buf + offset));
}
/*---------------------------------------------------------------------------*
* USRobotics write register routine
*---------------------------------------------------------------------------*/
static void
usrtai_write_reg(u_char *base, u_int offset, u_int v)
{
outb((int)base + ADDR(offset), (u_char)v);
}
/*---------------------------------------------------------------------------*
* USRobotics read register routine
*---------------------------------------------------------------------------*/
static u_char
usrtai_read_reg(u_char *base, u_int offset)
{
return(inb((int)base + ADDR(offset)));
}
/*---------------------------------------------------------------------------*
* isic_probe_usrtai - probe for USR
*---------------------------------------------------------------------------*/
int
isic_probe_usrtai(struct isa_device *dev)
{
struct isic_softc *sc = &isic_sc[dev->id_unit];
/* check max unit range */
if(dev->id_unit >= ISIC_MAXUNIT)
{
printf("isic%d: Error, unit %d >= MAXUNIT for USR Sportster TA!\n",
dev->id_unit, dev->id_unit);
return(0);
}
sc->sc_unit = dev->id_unit;
/* check IRQ validity */
if((intr_no[ffs(dev->id_irq) - 1]) == 0)
{
printf("isic%d: Error, invalid IRQ [%d] specified for USR Sportster TA!\n",
dev->id_unit, (ffs(dev->id_irq))-1);
return(0);
}
sc->sc_irq = dev->id_irq;
/* check if memory addr specified */
if(dev->id_maddr)
{
printf("isic%d: Error, mem addr 0x%lx specified for USR Sportster TA!\n",
dev->id_unit, (u_long)dev->id_maddr);
return(0);
}
dev->id_msize = 0;
/* check if we got an iobase */
switch(dev->id_iobase)
{
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",
dev->id_unit, dev->id_iobase);
return(0);
break;
}
sc->sc_port = dev->id_iobase;
/* 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)dev->id_iobase + USR_ISAC_OFF;
HSCX_A_BASE = (caddr_t)dev->id_iobase + USR_HSCXA_OFF;
HSCX_B_BASE = (caddr_t)dev->id_iobase + 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",
dev->id_unit);
printf("isic%d: HSC0: VSTR: %#x\n",
dev->id_unit, HSCX_READ(0, H_VSTR));
printf("isic%d: HSC1: VSTR: %#x\n",
dev->id_unit, HSCX_READ(1, H_VSTR));
return (0);
}
return (1);
}
/*---------------------------------------------------------------------------*
* isic_attach_usrtai - attach USR
*---------------------------------------------------------------------------*/
int
isic_attach_usrtai(struct isa_device *dev)
{
u_char irq = 0;
/* reset the HSCX and ISAC chips */
outb(dev->id_iobase + USR_INTL_OFF, USR_RES_BIT);
DELAY(SEC_DELAY / 10);
outb(dev->id_iobase + USR_INTL_OFF, 0x00);
DELAY(SEC_DELAY / 10);
/* setup IRQ */
if((irq = intr_no[ffs(dev->id_irq) - 1]) == 0)
{
printf("isic%d: Attach error, invalid IRQ [%d] specified for USR Sportster TA!\n",
dev->id_unit, ffs(dev->id_irq)-1);
return(0);
}
/* configure and enable irq */
outb(dev->id_iobase + USR_INTL_OFF, irq | USR_INTE_BIT);
DELAY(SEC_DELAY / 10);
return (1);
}
#else /* end of FreeBSD, start NetBSD */
/*
* Use of sc->sc_maps:
* 0 : config register
* 1 - 16 : HSCX A registers
* 17 - 32 : HSCX B registers
* 33 - 48 : ISAC registers
*/
#define USR_REG_OFFS(reg) ((reg % 4) * 2)
#define USR_HSCXA_MAP(reg) ((reg / 4) + 1)
#define USR_HSCXB_MAP(reg) ((reg / 4) + 17)
#define USR_ISAC_MAP(reg) ((reg / 4) + 33)
static int map_base[] = { 33, 1, 17, 0 }; /* ISAC, HSCX A, HSCX B */
/*---------------------------------------------------------------------------*
* USRobotics read fifo routine
*---------------------------------------------------------------------------*/
static void
usrtai_read_fifo(struct isic_softc *sc, int what, void *buf, size_t size)
{
int map, off, offset;
u_char * p = buf;
bus_space_tag_t t;
bus_space_handle_t h;
for (offset = 0; size > 0; size--, offset++) {
map = map_base[what] + (offset / 4);
t = sc->sc_maps[map].t;
h = sc->sc_maps[map].h;
off = USR_REG_OFFS(offset);
*p++ = bus_space_read_1(t, h, off);
}
}
/*---------------------------------------------------------------------------*
* USRobotics write fifo routine
*---------------------------------------------------------------------------*/
static void
usrtai_write_fifo(struct isic_softc *sc, int what, const void *buf, size_t size)
{
int map, off, offset;
const u_char * p = buf;
bus_space_tag_t t;
bus_space_handle_t h;
u_char v;
for (offset = 0; size > 0; size--, offset++) {
map = map_base[what] + (offset / 4);
t = sc->sc_maps[map].t;
h = sc->sc_maps[map].h;
off = USR_REG_OFFS(offset);
v = *p++;
bus_space_write_1(t, h, off, v);
}
}
/*---------------------------------------------------------------------------*
* USRobotics write register routine
*---------------------------------------------------------------------------*/
static void
usrtai_write_reg(struct isic_softc *sc, int what, bus_size_t offs, u_int8_t data)
{
int map = map_base[what] + (offs / 4),
off = USR_REG_OFFS(offs);
bus_space_tag_t t = sc->sc_maps[map].t;
bus_space_handle_t h = sc->sc_maps[map].h;
bus_space_write_1(t, h, off, data);
}
/*---------------------------------------------------------------------------*
* USRobotics read register routine
*---------------------------------------------------------------------------*/
static u_char
usrtai_read_reg(struct isic_softc *sc, int what, bus_size_t offs)
{
int map = map_base[what] + (offs / 4),
off = USR_REG_OFFS(offs);
bus_space_tag_t t = sc->sc_maps[map].t;
bus_space_handle_t h = sc->sc_maps[map].h;
return bus_space_read_1(t, h, off);
}
/*---------------------------------------------------------------------------*
* isic_probe_usrtai - probe for USR
*---------------------------------------------------------------------------*/
int
isic_probe_usrtai(struct isic_attach_args *ia)
{
/*
* Read HSCX A/B VSTR. Expected value for IOM2 based
* boards is 0x05 in the least significant bits.
*/
if(((bus_space_read_1(ia->ia_maps[USR_HSCXA_MAP(H_VSTR)].t, ia->ia_maps[USR_HSCXA_MAP(H_VSTR)].h, USR_REG_OFFS(H_VSTR)) & 0x0f) != 0x05) ||
((bus_space_read_1(ia->ia_maps[USR_HSCXB_MAP(H_VSTR)].t, ia->ia_maps[USR_HSCXB_MAP(H_VSTR)].h, USR_REG_OFFS(H_VSTR)) & 0x0f) != 0x05))
return 0;
return (1);
}
/*---------------------------------------------------------------------------*
* isic_attach_usrtai - attach USR
*---------------------------------------------------------------------------*/
int
isic_attach_usrtai(struct isic_softc *sc)
{
bus_space_tag_t t = sc->sc_maps[0].t;
bus_space_handle_t h = sc->sc_maps[0].h;
u_char irq = intr_no[sc->sc_irq];
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;
/* reset the HSCX and ISAC chips */
bus_space_write_1(t, h, 0, USR_RES_BIT);
DELAY(SEC_DELAY / 10);
bus_space_write_1(t, h, 0, 0x00);
DELAY(SEC_DELAY / 10);
/* setup IRQ */
bus_space_write_1(t, h, 0, irq | USR_INTE_BIT);
DELAY(SEC_DELAY / 10);
return (1);
}
#endif /* __FreeBSD__ */
#endif /* ISIC > 0 */
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