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/*-
* 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: release/9.1.0/sys/dev/utopia/suni.c 142384 2005-02-24 16:56:36Z harti $");
#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/suni.h>
#include <dev/utopia/utopia.h>
#include <dev/utopia/utopia_priv.h>
/*
* set SONET/SDH mode
*/
static int
suni_set_sdh(struct utopia *utp, int sdh)
{
int err;
if (sdh)
err = UTP_WRITEREG(utp, SUNI_REGO_TPOPAPTR + 1,
SUNI_REGM_TPOPAPTR_S,
SUNI_REGM_SDH << SUNI_REGS_TPOPAPTR_S);
else
err = UTP_WRITEREG(utp, SUNI_REGO_TPOPAPTR + 1,
SUNI_REGM_TPOPAPTR_S,
SUNI_REGM_SONET << SUNI_REGS_TPOPAPTR_S);
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
suni_set_unass(struct utopia *utp, int unass)
{
int err;
if (unass)
err = UTP_WRITEREG(utp, SUNI_REGO_TACPIDLEH,
0xff, (0 << SUNI_REGS_TACPIDLEH_CLP));
else
err = UTP_WRITEREG(utp, SUNI_REGO_TACPIDLEH,
0xff, (1 << SUNI_REGS_TACPIDLEH_CLP));
if (err != 0)
return (err);
utp->state &= ~UTP_ST_UNASS;
if (unass)
utp->state |= UTP_ST_UNASS;
return (0);
}
/*
* enable/disable scrambling
*/
static int
suni_set_noscramb(struct utopia *utp, int noscramb)
{
int err;
if (noscramb) {
err = UTP_WRITEREG(utp, SUNI_REGO_TACPCTRL,
SUNI_REGM_TACPCTRL_DSCR, SUNI_REGM_TACPCTRL_DSCR);
if (err)
return (err);
err = UTP_WRITEREG(utp, SUNI_REGO_RACPCTRL,
SUNI_REGM_RACPCTRL_DDSCR, SUNI_REGM_RACPCTRL_DDSCR);
if (err)
return (err);
utp->state |= UTP_ST_NOSCRAMB;
} else {
err = UTP_WRITEREG(utp, SUNI_REGO_TACPCTRL,
SUNI_REGM_TACPCTRL_DSCR, 0);
if (err)
return (err);
err = UTP_WRITEREG(utp, SUNI_REGO_RACPCTRL,
SUNI_REGM_RACPCTRL_DDSCR, 0);
if (err)
return (err);
utp->state &= ~UTP_ST_NOSCRAMB;
}
return (0);
}
/*
* Get current carrier state
*/
static int
suni_update_carrier(struct utopia *utp)
{
int err;
uint8_t reg;
u_int n = 1;
if ((err = UTP_READREGS(utp, SUNI_REGO_RSOPSIS, ®, &n)) != 0) {
utp->carrier = UTP_CARR_UNKNOWN;
return (err);
}
utopia_check_carrier(utp, !(reg & SUNI_REGM_RSOPSIS_LOSV));
return (0);
}
/*
* Set the SUNI chip to reflect the current state in utopia.
* Assume, that the chip has been reset.
*/
static int
suni_set_chip(struct utopia *utp)
{
int err = 0;
/* set sonet/sdh */
err |= utopia_set_sdh(utp, utp->state & UTP_ST_SDH);
/* unassigned or idle cells */
err |= utopia_set_unass(utp, utp->state & UTP_ST_UNASS);
err |= UTP_WRITEREG(utp, SUNI_REGO_TACPIDLEP, 0xff, 0x6a);
/* set scrambling */
err |= utopia_set_noscramb(utp, utp->state & UTP_ST_NOSCRAMB);
/* loopback */
err |= utopia_set_loopback(utp, utp->loopback);
/* update carrier state */
err |= utopia_update_carrier(utp);
/* enable interrupts on LOS */
err |= UTP_WRITEREG(utp, SUNI_REGO_RSOPCIE,
SUNI_REGM_RSOPCIE_LOSE, SUNI_REGM_RSOPCIE_LOSE);
return (err ? EIO : 0);
}
/*
* Reset the SUNI chip to reflect the current state of utopia.
*/
static int
suni_reset_default(struct utopia *utp)
{
int err = 0;
if (!(utp->flags & UTP_FL_NORESET)) {
err |= UTP_WRITEREG(utp, SUNI_REGO_MRESET,
SUNI_REGM_MRESET_RESET, SUNI_REGM_MRESET_RESET);
err |= UTP_WRITEREG(utp, SUNI_REGO_MRESET,
SUNI_REGM_MRESET_RESET, 0);
}
/* disable test mode */
err |= UTP_WRITEREG(utp, SUNI_REGO_MTEST, 0xff, 0x00);
err |= suni_set_chip(utp);
return (err ? EIO : 0);
}
/*
* Set loopback mode for the Lite
*/
static int
suni_set_loopback_lite(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 |= SUNI_REGM_MCTRL_LOOPT;
}
if (mode & UTP_LOOP_DIAG) {
nmode &= ~UTP_LOOP_DIAG;
val |= SUNI_REGM_MCTRL_DLE;
}
if (mode & UTP_LOOP_LINE) {
nmode &= ~UTP_LOOP_LINE;
if (val & SUNI_REGM_MCTRL_DLE)
return (EINVAL);
val |= SUNI_REGM_MCTRL_LLE;
}
if (nmode != 0)
return (EINVAL);
err = UTP_WRITEREG(utp, SUNI_REGO_MCTRL,
SUNI_REGM_MCTRL_LLE | SUNI_REGM_MCTRL_DLE | SUNI_REGM_MCTRL_LOOPT,
val);
if (err)
return (err);
utp->loopback = mode;
return (0);
}
/*
* Update statistics from a SUNI/LITE or SUNI/ULTRA
*/
static void
suni_lite_update_stats(struct utopia *utp)
{
int err;
/* write to the master if we can */
if (!(utp->flags & UTP_FL_NORESET)) {
err = UTP_WRITEREG(utp, SUNI_REGO_MRESET, 0, 0);
} else {
err = UTP_WRITEREG(utp, SUNI_REGO_RSOP_BIP8, 0, 0);
err |= UTP_WRITEREG(utp, SUNI_REGO_RLOPBIP8_24, 0, 0);
err |= UTP_WRITEREG(utp, SUNI_REGO_RPOPBIP8, 0, 0);
err |= UTP_WRITEREG(utp, SUNI_REGO_RACPCHCS, 0, 0);
err |= UTP_WRITEREG(utp, SUNI_REGO_TACPCNT, 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,
SUNI_REGO_RSOP_BIP8, 2, 0xffff);
utp->stats.rx_lbip += utopia_update(utp,
SUNI_REGO_RLOPBIP8_24, 3, 0xfffff);
utp->stats.rx_lfebe += utopia_update(utp,
SUNI_REGO_RLOPFEBE, 3, 0xfffff);
utp->stats.rx_pbip += utopia_update(utp,
SUNI_REGO_RPOPBIP8, 2, 0xffff);
utp->stats.rx_pfebe += utopia_update(utp,
SUNI_REGO_RPOPFEBE, 2, 0xffff);
utp->stats.rx_corr += utopia_update(utp,
SUNI_REGO_RACPCHCS, 1, 0xff);
utp->stats.rx_uncorr += utopia_update(utp,
SUNI_REGO_RACPUHCS, 1, 0xff);
utp->stats.rx_cells += utopia_update(utp,
SUNI_REGO_RACPCNT, 3, 0x7ffff);
utp->stats.tx_cells += utopia_update(utp,
SUNI_REGO_TACPCNT, 3, 0x7ffff);
}
/*
* Handle interrupt on SUNI chip
*/
static void
suni_intr_default(struct utopia *utp)
{
uint8_t regs[SUNI_REGO_MTEST];
u_int n = SUNI_REGO_MTEST;
int err;
/* Read all registers. This acks the interrupts */
if ((err = UTP_READREGS(utp, SUNI_REGO_MRESET, regs, &n)) != 0) {
printf("SUNI read error %d\n", err);
return;
}
if (n <= SUNI_REGO_RSOPSIS) {
printf("%s: could not read RSOPSIS", __func__);
return;
}
/* check for LOSI (loss of signal) */
if ((regs[SUNI_REGO_MISTATUS] & SUNI_REGM_MISTATUS_RSOPI) &&
(regs[SUNI_REGO_RSOPSIS] & SUNI_REGM_RSOPSIS_LOSI))
utopia_check_carrier(utp, !(regs[SUNI_REGO_RSOPSIS]
& SUNI_REGM_RSOPSIS_LOSV));
}
const struct utopia_chip utopia_chip_lite = {
UTP_TYPE_SUNI_LITE,
"Suni/Lite (PMC-5346)",
256,
suni_reset_default,
suni_set_sdh,
suni_set_unass,
suni_set_noscramb,
suni_update_carrier,
suni_set_loopback_lite,
suni_intr_default,
suni_lite_update_stats,
};
/*
* Set loopback mode for the Ultra
*/
static int
suni_set_loopback_ultra(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 |= SUNI_REGM_MCTRL_LOOPT;
}
if (mode & UTP_LOOP_DIAG) {
nmode &= ~UTP_LOOP_DIAG;
if (val & SUNI_REGM_MCTRL_LOOPT)
return (EINVAL);
val |= SUNI_REGM_MCTRL_SDLE;
}
if (mode & UTP_LOOP_LINE) {
nmode &= ~UTP_LOOP_LINE;
if (val & (SUNI_REGM_MCTRL_LOOPT | SUNI_REGM_MCTRL_SDLE))
return (EINVAL);
val |= SUNI_REGM_MCTRL_LLE;
}
if (mode & UTP_LOOP_PARAL) {
nmode &= ~UTP_LOOP_PARAL;
val |= SUNI_REGM_MCTRL_PDLE;
}
if (mode & UTP_LOOP_TWIST) {
nmode &= ~UTP_LOOP_TWIST;
val |= SUNI_REGM_MCTRL_TPLE;
}
if (nmode != 0)
return (EINVAL);
err = UTP_WRITEREG(utp, SUNI_REGO_MCTRL,
SUNI_REGM_MCTRL_LLE | SUNI_REGM_MCTRL_SDLE | SUNI_REGM_MCTRL_LOOPT |
SUNI_REGM_MCTRL_PDLE | SUNI_REGM_MCTRL_TPLE, val);
if (err)
return (err);
utp->loopback = mode;
return (0);
}
const struct utopia_chip utopia_chip_ultra = {
UTP_TYPE_SUNI_ULTRA,
"Suni/Ultra (PMC-5350)",
256,
suni_reset_default,
suni_set_sdh,
suni_set_unass,
suni_set_noscramb,
suni_update_carrier,
suni_set_loopback_ultra,
suni_intr_default,
suni_lite_update_stats,
};
/*
* Set loopback mode for the 622
*/
static int
suni_set_loopback_622(struct utopia *utp, u_int mode)
{
int err;
uint32_t val;
uint8_t config;
int smode;
u_int nmode;
u_int n = 1;
val = 0;
nmode = mode;
if (mode & UTP_LOOP_PATH) {
nmode &= ~UTP_LOOP_PATH;
val |= SUNI_REGM_MCTRLM_DPLE;
}
err = UTP_READREGS(utp, SUNI_REGO_MCONFIG, &config, &n);
if (err != 0)
return (err);
smode = ((config & SUNI_REGM_MCONFIG_TMODE_622) ==
SUNI_REGM_MCONFIG_TMODE_STS1_BIT &&
(config & SUNI_REGM_MCONFIG_RMODE_622) ==
SUNI_REGM_MCONFIG_RMODE_STS1_BIT);
if (mode & UTP_LOOP_TIME) {
if (!smode)
return (EINVAL);
nmode &= ~UTP_LOOP_TIME;
val |= SUNI_REGM_MCTRLM_LOOPT;
}
if (mode & UTP_LOOP_DIAG) {
nmode &= ~UTP_LOOP_DIAG;
if (val & SUNI_REGM_MCTRLM_LOOPT)
return (EINVAL);
val |= SUNI_REGM_MCTRLM_DLE;
}
if (mode & UTP_LOOP_LINE) {
nmode &= ~UTP_LOOP_LINE;
if (val & (SUNI_REGM_MCTRLM_LOOPT | SUNI_REGM_MCTRLM_DLE))
return (EINVAL);
val |= SUNI_REGM_MCTRLM_LLE;
}
if (nmode != 0)
return (EINVAL);
err = UTP_WRITEREG(utp, SUNI_REGO_MCTRLM,
SUNI_REGM_MCTRLM_LLE | SUNI_REGM_MCTRLM_DLE |
SUNI_REGM_MCTRLM_DPLE | SUNI_REGM_MCTRL_LOOPT, val);
if (err)
return (err);
utp->loopback = mode;
return (0);
}
/*
* Reset the SUNI chip to reflect the current state of utopia.
*/
static int
suni_reset_622(struct utopia *utp)
{
int err = 0;
if (!(utp->flags & UTP_FL_NORESET)) {
err |= UTP_WRITEREG(utp, SUNI_REGO_MRESET,
SUNI_REGM_MRESET_RESET, SUNI_REGM_MRESET_RESET);
err |= UTP_WRITEREG(utp, SUNI_REGO_MRESET,
SUNI_REGM_MRESET_RESET, 0);
}
/* disable test mode */
err |= UTP_WRITEREG(utp, SUNI_REGO_MTEST, 0xff,
SUNI_REGM_MTEST_DS27_53_622);
err |= suni_set_chip(utp);
return (err ? EIO : 0);
}
/*
* Update statistics from a SUNI/622
*/
static void
suni_622_update_stats(struct utopia *utp)
{
int err;
/* write to the master if we can */
if (!(utp->flags & UTP_FL_NORESET)) {
err = UTP_WRITEREG(utp, SUNI_REGO_MRESET, 0, 0);
} else {
err = UTP_WRITEREG(utp, SUNI_REGO_RSOP_BIP8, 0, 0);
err |= UTP_WRITEREG(utp, SUNI_REGO_RLOPBIP8_24, 0, 0);
err |= UTP_WRITEREG(utp, SUNI_REGO_RPOPBIP8, 0, 0);
err |= UTP_WRITEREG(utp, SUNI_REGO_RACPCHCS, 0, 0);
err |= UTP_WRITEREG(utp, SUNI_REGO_TACPCNT, 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,
SUNI_REGO_RSOP_BIP8, 2, 0xffff);
utp->stats.rx_lbip += utopia_update(utp,
SUNI_REGO_RLOPBIP8_24, 3, 0xfffff);
utp->stats.rx_lfebe += utopia_update(utp,
SUNI_REGO_RLOPFEBE, 3, 0xfffff);
utp->stats.rx_pbip += utopia_update(utp,
SUNI_REGO_RPOPBIP8, 2, 0xffff);
utp->stats.rx_pfebe += utopia_update(utp,
SUNI_REGO_RPOPFEBE, 2, 0xffff);
utp->stats.rx_corr += utopia_update(utp,
SUNI_REGO_RACPCHCS_622, 2, 0xfff);
utp->stats.rx_uncorr += utopia_update(utp,
SUNI_REGO_RACPUHCS_622, 2, 0xfff);
utp->stats.rx_cells += utopia_update(utp,
SUNI_REGO_RACPCNT_622, 3, 0x1fffff);
utp->stats.tx_cells += utopia_update(utp,
SUNI_REGO_TACPCNT, 3, 0x1fffff);
}
const struct utopia_chip utopia_chip_622 = {
UTP_TYPE_SUNI_622,
"Suni/622 (PMC-5355)",
256,
suni_reset_622,
suni_set_sdh,
suni_set_unass,
suni_set_noscramb,
suni_update_carrier,
suni_set_loopback_622,
suni_intr_default,
suni_622_update_stats,
};