99f0c33243
adding of new physical chips. Now one just needs to add a .h and a .c file for the new chip and add one line to utopia.c for that chip.
495 lines
12 KiB
C
495 lines
12 KiB
C
/*-
|
|
* Copyright (c) 2003
|
|
* Fraunhofer Institute for Open Communication Systems (FhG Fokus).
|
|
* All rights reserved.
|
|
*
|
|
* Author: Hartmut Brandt <harti@freebsd.org>
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/unistd.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/kthread.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/module.h>
|
|
#include <sys/sysctl.h>
|
|
#include <sys/lock.h>
|
|
#include <sys/mutex.h>
|
|
#include <sys/socket.h>
|
|
|
|
#include <net/if.h>
|
|
#include <net/if_var.h>
|
|
#include <net/if_media.h>
|
|
#include <net/if_atm.h>
|
|
|
|
#include <dev/utopia/idtphy.h>
|
|
#include <dev/utopia/utopia.h>
|
|
#include <dev/utopia/utopia_priv.h>
|
|
|
|
/*
|
|
* Reset IDT77105. There is really no way to reset this thing by acessing
|
|
* the registers. Load the registers with default values.
|
|
*/
|
|
static int
|
|
idt77105_reset(struct utopia *utp)
|
|
{
|
|
int err = 0;
|
|
u_int n;
|
|
uint8_t val[2];
|
|
|
|
err |= UTP_WRITEREG(utp, IDTPHY_REGO_MCR, 0xff,
|
|
IDTPHY_REGM_MCR_DRIC | IDTPHY_REGM_MCR_EI);
|
|
n = 1;
|
|
err |= UTP_READREGS(utp, IDTPHY_REGO_ISTAT, val, &n);
|
|
err |= UTP_WRITEREG(utp, IDTPHY_REGO_DIAG, 0xff, 0);
|
|
err |= UTP_WRITEREG(utp, IDTPHY_REGO_LHEC, 0xff, 0);
|
|
|
|
err |= UTP_WRITEREG(utp, IDTPHY_REGO_CNTS, 0xff, IDTPHY_REGM_CNTS_SEC);
|
|
n = 2;
|
|
err |= UTP_READREGS(utp, IDTPHY_REGO_CNT, val, &n);
|
|
|
|
err |= UTP_WRITEREG(utp, IDTPHY_REGO_CNTS, 0xff, IDTPHY_REGM_CNTS_TX);
|
|
n = 2;
|
|
err |= UTP_READREGS(utp, IDTPHY_REGO_CNT, val, &n);
|
|
|
|
err |= UTP_WRITEREG(utp, IDTPHY_REGO_CNTS, 0xff, IDTPHY_REGM_CNTS_RX);
|
|
n = 2;
|
|
err |= UTP_READREGS(utp, IDTPHY_REGO_CNT, val, &n);
|
|
|
|
err |= UTP_WRITEREG(utp, IDTPHY_REGO_CNTS, 0xff, IDTPHY_REGM_CNTS_HECE);
|
|
n = 2;
|
|
err |= UTP_READREGS(utp, IDTPHY_REGO_CNT, val, &n);
|
|
|
|
err |= UTP_WRITEREG(utp, IDTPHY_REGO_MCR, IDTPHY_REGM_MCR_DREC,
|
|
IDTPHY_REGM_MCR_DREC);
|
|
err |= UTP_WRITEREG(utp, IDTPHY_REGO_DIAG, IDTPHY_REGM_DIAG_RFLUSH,
|
|
IDTPHY_REGM_DIAG_RFLUSH);
|
|
|
|
/* loopback */
|
|
err |= utopia_set_loopback(utp, utp->loopback);
|
|
|
|
/* update carrier state */
|
|
err |= utopia_update_carrier(utp);
|
|
|
|
return (err ? EIO : 0);
|
|
}
|
|
|
|
static int
|
|
idt77105_inval(struct utopia *utp, int what __unused)
|
|
{
|
|
|
|
return (EINVAL);
|
|
}
|
|
|
|
static int
|
|
idt77105_update_carrier(struct utopia *utp)
|
|
{
|
|
int err;
|
|
uint8_t reg;
|
|
u_int n = 1;
|
|
|
|
if ((err = UTP_READREGS(utp, IDTPHY_REGO_ISTAT, ®, &n)) != 0) {
|
|
utp->carrier = UTP_CARR_UNKNOWN;
|
|
return (err);
|
|
}
|
|
utopia_check_carrier(utp, reg & IDTPHY_REGM_ISTAT_GOOD);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
idt77105_set_loopback(struct utopia *utp, u_int mode)
|
|
{
|
|
int err;
|
|
|
|
switch (mode) {
|
|
case UTP_LOOP_NONE:
|
|
err = UTP_WRITEREG(utp, IDTPHY_REGO_DIAG,
|
|
IDTPHY_REGM_DIAG_LOOP, IDTPHY_REGM_DIAG_LOOP_NONE);
|
|
break;
|
|
|
|
case UTP_LOOP_DIAG:
|
|
err = UTP_WRITEREG(utp, IDTPHY_REGO_DIAG,
|
|
IDTPHY_REGM_DIAG_LOOP, IDTPHY_REGM_DIAG_LOOP_PHY);
|
|
break;
|
|
|
|
case UTP_LOOP_LINE:
|
|
err = UTP_WRITEREG(utp, IDTPHY_REGO_DIAG,
|
|
IDTPHY_REGM_DIAG_LOOP, IDTPHY_REGM_DIAG_LOOP_LINE);
|
|
break;
|
|
|
|
default:
|
|
return (EINVAL);
|
|
}
|
|
if (err)
|
|
return (err);
|
|
utp->loopback = mode;
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Handle interrupt on IDT77105 chip
|
|
*/
|
|
static void
|
|
idt77105_intr(struct utopia *utp)
|
|
{
|
|
uint8_t reg;
|
|
u_int n = 1;
|
|
int err;
|
|
|
|
/* Interrupt status and ack the interrupt */
|
|
if ((err = UTP_READREGS(utp, IDTPHY_REGO_ISTAT, ®, &n)) != 0) {
|
|
printf("IDT77105 read error %d\n", err);
|
|
return;
|
|
}
|
|
/* check for signal condition */
|
|
utopia_check_carrier(utp, reg & IDTPHY_REGM_ISTAT_GOOD);
|
|
}
|
|
|
|
static void
|
|
idt77105_update_stats(struct utopia *utp)
|
|
{
|
|
int err = 0;
|
|
uint8_t regs[2];
|
|
u_int n;
|
|
|
|
#ifdef DIAGNOSTIC
|
|
#define UDIAG(F,A,B) printf(F, A, B)
|
|
#else
|
|
#define UDIAG(F,A,B) do { } while (0)
|
|
#endif
|
|
|
|
#define UPD(FIELD, CODE, N, MASK) \
|
|
err = UTP_WRITEREG(utp, IDTPHY_REGO_CNTS, 0xff, CODE); \
|
|
if (err != 0) { \
|
|
UDIAG("%s: cannot write CNTS: %d\n", __func__, err); \
|
|
return; \
|
|
} \
|
|
n = N; \
|
|
err = UTP_READREGS(utp, IDTPHY_REGO_CNT, regs, &n); \
|
|
if (err != 0) { \
|
|
UDIAG("%s: cannot read CNT: %d\n", __func__, err); \
|
|
return; \
|
|
} \
|
|
if (n != N) { \
|
|
UDIAG("%s: got only %u registers\n", __func__, n); \
|
|
return; \
|
|
} \
|
|
if (N == 1) \
|
|
utp->stats.FIELD += (regs[0] & MASK); \
|
|
else \
|
|
utp->stats.FIELD += (regs[0] | (regs[1] << 8)) & MASK;
|
|
|
|
UPD(rx_symerr, IDTPHY_REGM_CNTS_SEC, 1, 0xff);
|
|
UPD(tx_cells, IDTPHY_REGM_CNTS_TX, 2, 0xffff);
|
|
UPD(rx_cells, IDTPHY_REGM_CNTS_RX, 2, 0xffff);
|
|
UPD(rx_uncorr, IDTPHY_REGM_CNTS_HECE, 1, 0x1f);
|
|
|
|
#undef UDIAG
|
|
#undef UPD
|
|
}
|
|
|
|
struct utopia_chip utopia_chip_idt77105 = {
|
|
UTP_TYPE_IDT77105,
|
|
"IDT77105",
|
|
7,
|
|
idt77105_reset,
|
|
idt77105_inval,
|
|
idt77105_inval,
|
|
idt77105_inval,
|
|
idt77105_update_carrier,
|
|
idt77105_set_loopback,
|
|
idt77105_intr,
|
|
idt77105_update_stats,
|
|
};
|
|
|
|
/*
|
|
* Update the carrier status
|
|
*/
|
|
static int
|
|
idt77155_update_carrier(struct utopia *utp)
|
|
{
|
|
int err;
|
|
uint8_t reg;
|
|
u_int n = 1;
|
|
|
|
if ((err = UTP_READREGS(utp, IDTPHY_REGO_RSOS, ®, &n)) != 0) {
|
|
utp->carrier = UTP_CARR_UNKNOWN;
|
|
return (err);
|
|
}
|
|
utopia_check_carrier(utp, !(reg & IDTPHY_REGM_RSOS_LOS));
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Handle interrupt on IDT77155 chip
|
|
*/
|
|
static void
|
|
idt77155_intr(struct utopia *utp)
|
|
{
|
|
uint8_t reg;
|
|
u_int n = 1;
|
|
int err;
|
|
|
|
if ((err = UTP_READREGS(utp, IDTPHY_REGO_RSOS, ®, &n)) != 0) {
|
|
printf("IDT77105 read error %d\n", err);
|
|
return;
|
|
}
|
|
utopia_check_carrier(utp, !(reg & IDTPHY_REGM_RSOS_LOS));
|
|
}
|
|
|
|
/*
|
|
* set SONET/SDH mode
|
|
*/
|
|
static int
|
|
idt77155_set_sdh(struct utopia *utp, int sdh)
|
|
{
|
|
int err;
|
|
|
|
if (sdh)
|
|
err = UTP_WRITEREG(utp, IDTPHY_REGO_PTRM,
|
|
IDTPHY_REGM_PTRM_SS, IDTPHY_REGM_PTRM_SDH);
|
|
else
|
|
err = UTP_WRITEREG(utp, IDTPHY_REGO_PTRM,
|
|
IDTPHY_REGM_PTRM_SS, IDTPHY_REGM_PTRM_SONET);
|
|
if (err != 0)
|
|
return (err);
|
|
|
|
utp->state &= ~UTP_ST_SDH;
|
|
if (sdh)
|
|
utp->state |= UTP_ST_SDH;
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* set idle/unassigned cells
|
|
*/
|
|
static int
|
|
idt77155_set_unass(struct utopia *utp, int unass)
|
|
{
|
|
int err;
|
|
|
|
if (unass)
|
|
err = UTP_WRITEREG(utp, IDTPHY_REGO_TCHP, 0xff, 0);
|
|
else
|
|
err = UTP_WRITEREG(utp, IDTPHY_REGO_TCHP, 0xff, 1);
|
|
if (err != 0)
|
|
return (err);
|
|
|
|
utp->state &= ~UTP_ST_UNASS;
|
|
if (unass)
|
|
utp->state |= UTP_ST_UNASS;
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* enable/disable scrambling
|
|
*/
|
|
static int
|
|
idt77155_set_noscramb(struct utopia *utp, int noscramb)
|
|
{
|
|
int err;
|
|
|
|
if (noscramb) {
|
|
err = UTP_WRITEREG(utp, IDTPHY_REGO_TCC,
|
|
IDTPHY_REGM_TCC_DSCR, IDTPHY_REGM_TCC_DSCR);
|
|
if (err)
|
|
return (err);
|
|
err = UTP_WRITEREG(utp, IDTPHY_REGO_RCC,
|
|
IDTPHY_REGM_RCC_DSCR, IDTPHY_REGM_RCC_DSCR);
|
|
if (err)
|
|
return (err);
|
|
utp->state |= UTP_ST_NOSCRAMB;
|
|
} else {
|
|
err = UTP_WRITEREG(utp, IDTPHY_REGO_TCC,
|
|
IDTPHY_REGM_TCC_DSCR, 0);
|
|
if (err)
|
|
return (err);
|
|
err = UTP_WRITEREG(utp, IDTPHY_REGO_RCC,
|
|
IDTPHY_REGM_RCC_DSCR, 0);
|
|
if (err)
|
|
return (err);
|
|
utp->state &= ~UTP_ST_NOSCRAMB;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Set loopback mode for the 77155
|
|
*/
|
|
static int
|
|
idt77155_set_loopback(struct utopia *utp, u_int mode)
|
|
{
|
|
int err;
|
|
uint32_t val;
|
|
u_int nmode;
|
|
|
|
val = 0;
|
|
nmode = mode;
|
|
if (mode & UTP_LOOP_TIME) {
|
|
nmode &= ~UTP_LOOP_TIME;
|
|
val |= IDTPHY_REGM_MCTL_TLOOP;
|
|
}
|
|
if (mode & UTP_LOOP_DIAG) {
|
|
nmode &= ~UTP_LOOP_DIAG;
|
|
val |= IDTPHY_REGM_MCTL_DLOOP;
|
|
}
|
|
if (mode & UTP_LOOP_LINE) {
|
|
nmode &= ~UTP_LOOP_LINE;
|
|
val |= IDTPHY_REGM_MCTL_LLOOP;
|
|
}
|
|
if (nmode != 0)
|
|
return (EINVAL);
|
|
|
|
err = UTP_WRITEREG(utp, IDTPHY_REGO_MCTL, IDTPHY_REGM_MCTL_TLOOP |
|
|
IDTPHY_REGM_MCTL_DLOOP | IDTPHY_REGM_MCTL_LLOOP, val);
|
|
if (err)
|
|
return (err);
|
|
utp->loopback = mode;
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Set the chip to reflect the current state in utopia.
|
|
* Assume, that the chip has been reset.
|
|
*/
|
|
static int
|
|
idt77155_set_chip(struct utopia *utp)
|
|
{
|
|
int err = 0;
|
|
|
|
/* set sonet/sdh */
|
|
err |= idt77155_set_sdh(utp, utp->state & UTP_ST_SDH);
|
|
|
|
/* unassigned or idle cells */
|
|
err |= idt77155_set_unass(utp, utp->state & UTP_ST_UNASS);
|
|
|
|
/* loopback */
|
|
err |= idt77155_set_loopback(utp, utp->loopback);
|
|
|
|
/* update carrier state */
|
|
err |= idt77155_update_carrier(utp);
|
|
|
|
/* enable interrupts on LOS */
|
|
err |= UTP_WRITEREG(utp, IDTPHY_REGO_INT,
|
|
IDTPHY_REGM_INT_RXSOHI, IDTPHY_REGM_INT_RXSOHI);
|
|
err |= UTP_WRITEREG(utp, IDTPHY_REGO_RSOC,
|
|
IDTPHY_REGM_RSOC_LOSI, IDTPHY_REGM_RSOC_LOSI);
|
|
|
|
return (err ? EIO : 0);
|
|
}
|
|
|
|
/*
|
|
* Reset the chip to reflect the current state of utopia.
|
|
*/
|
|
static int
|
|
idt77155_reset(struct utopia *utp)
|
|
{
|
|
int err = 0;
|
|
|
|
if (!(utp->flags & UTP_FL_NORESET)) {
|
|
err |= UTP_WRITEREG(utp, IDTPHY_REGO_MRID,
|
|
IDTPHY_REGM_MRID_RESET, IDTPHY_REGM_MRID_RESET);
|
|
err |= UTP_WRITEREG(utp, IDTPHY_REGO_MRID,
|
|
IDTPHY_REGM_MRID_RESET, 0);
|
|
}
|
|
|
|
err |= idt77155_set_chip(utp);
|
|
|
|
return (err ? EIO : 0);
|
|
}
|
|
|
|
/*
|
|
* Update statistics from a IDT77155
|
|
* This appears to be the same as for the Suni/Lite and Ultra. IDT however
|
|
* makes no assessment about the transfer time. Assume 7us.
|
|
*/
|
|
static void
|
|
idt77155_update_stats(struct utopia *utp)
|
|
{
|
|
int err;
|
|
|
|
/* write to the master if we can */
|
|
if (!(utp->flags & UTP_FL_NORESET)) {
|
|
err = UTP_WRITEREG(utp, IDTPHY_REGO_MRID, 0, 0);
|
|
} else {
|
|
err = UTP_WRITEREG(utp, IDTPHY_REGO_BIPC, 0, 0);
|
|
err |= UTP_WRITEREG(utp, IDTPHY_REGO_B2EC, 0, 0);
|
|
err |= UTP_WRITEREG(utp, IDTPHY_REGO_B3EC, 0, 0);
|
|
err |= UTP_WRITEREG(utp, IDTPHY_REGO_CEC, 0, 0);
|
|
err |= UTP_WRITEREG(utp, IDTPHY_REGO_TXCNT, 0, 0);
|
|
|
|
}
|
|
if (err) {
|
|
#ifdef DIAGNOSTIC
|
|
printf("%s: register write error %s: %d\n", __func__,
|
|
utp->chip->name, err);
|
|
#endif
|
|
return;
|
|
}
|
|
|
|
DELAY(8);
|
|
|
|
utp->stats.rx_sbip += utopia_update(utp,
|
|
IDTPHY_REGO_BIPC, 2, 0xffff);
|
|
utp->stats.rx_lbip += utopia_update(utp,
|
|
IDTPHY_REGO_B2EC, 3, 0xfffff);
|
|
utp->stats.rx_lfebe += utopia_update(utp,
|
|
IDTPHY_REGO_FEBEC, 3, 0xfffff);
|
|
utp->stats.rx_pbip += utopia_update(utp,
|
|
IDTPHY_REGO_B3EC, 2, 0xffff);
|
|
utp->stats.rx_pfebe += utopia_update(utp,
|
|
IDTPHY_REGO_PFEBEC, 2, 0xffff);
|
|
utp->stats.rx_corr += utopia_update(utp,
|
|
IDTPHY_REGO_CEC, 1, 0xff);
|
|
utp->stats.rx_uncorr += utopia_update(utp,
|
|
IDTPHY_REGO_UEC, 1, 0xff);
|
|
utp->stats.rx_cells += utopia_update(utp,
|
|
IDTPHY_REGO_RCCNT, 3, 0x7ffff);
|
|
utp->stats.tx_cells += utopia_update(utp,
|
|
IDTPHY_REGO_TXCNT, 3, 0x7ffff);
|
|
}
|
|
|
|
const struct utopia_chip utopia_chip_idt77155 = {
|
|
UTP_TYPE_IDT77155,
|
|
"IDT77155",
|
|
0x80,
|
|
idt77155_reset,
|
|
idt77155_set_sdh,
|
|
idt77155_set_unass,
|
|
idt77155_set_noscramb,
|
|
idt77155_update_carrier,
|
|
idt77155_set_loopback,
|
|
idt77155_intr,
|
|
idt77155_update_stats,
|
|
};
|