591f4054cb
It currently supports the PMC Sierra Lite, Ultra and 622 chips and the IDT 77105. The driver handles media options and state in a consistent manner for ATM drivers. The next commit to the midway driver will make it use utopia.
1083 lines
24 KiB
C
1083 lines
24 KiB
C
/*
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* Copyright (c) 2003
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* Fraunhofer Institute for Open Communication Systems (FhG Fokus).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Author: Hartmut Brandt <harti@freebsd.org>
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/unistd.h>
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#include <sys/kernel.h>
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#include <sys/kthread.h>
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#include <sys/proc.h>
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#include <sys/bus.h>
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#include <sys/malloc.h>
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#include <sys/sysctl.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <net/if_var.h>
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#include <net/if_media.h>
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#include <net/if_atm.h>
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#include <dev/utopia/suni.h>
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#include <dev/utopia/idtphy.h>
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#include <dev/utopia/utopia.h>
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#define READREGS(UTOPIA, REG, VALP, NP) \
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(UTOPIA)->methods->readregs((UTOPIA)->ifatm, REG, VALP, NP)
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#define WRITEREG(UTOPIA, REG, MASK, VAL) \
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(UTOPIA)->methods->writereg((UTOPIA)->ifatm, REG, MASK, VAL)
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/*
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* Global list of all registered interfaces
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*/
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static struct mtx utopia_list_mtx;
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static LIST_HEAD(, utopia) utopia_list = LIST_HEAD_INITIALIZER(utopia_list);
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#define UTP_RLOCK_LIST() mtx_lock(&utopia_list_mtx)
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#define UTP_RUNLOCK_LIST() mtx_unlock(&utopia_list_mtx)
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#define UTP_WLOCK_LIST() mtx_lock(&utopia_list_mtx)
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#define UTP_WUNLOCK_LIST() mtx_unlock(&utopia_list_mtx)
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#define UTP_LOCK(UTP) mtx_lock((UTP)->lock)
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#define UTP_UNLOCK(UTP) mtx_unlock((UTP)->lock)
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#define UTP_LOCK_ASSERT(UTP) mtx_assert((UTP)->lock, MA_OWNED)
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static struct proc *utopia_kproc;
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static void utopia_dump(struct utopia *) __unused;
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/*
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* Debugging - dump all registers.
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*/
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static void
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utopia_dump(struct utopia *utp)
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{
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uint8_t regs[256];
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u_int n = 256, i;
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int err;
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if ((err = READREGS(utp, SUNI_REGO_MRESET, regs, &n)) != 0) {
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printf("SUNI read error %d\n", err);
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return;
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}
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for (i = 0; i < n; i++) {
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if (i % 16 == 0)
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printf("%02x:", i);
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if (i % 16 == 8)
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printf(" ");
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printf(" %02x", regs[i]);
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if (i % 16 == 15)
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printf("\n");
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}
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if (i % 16 != 0)
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printf("\n");
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}
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/*
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* Update the carrier status
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*/
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static void
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utopia_check_carrier(struct utopia *utp, u_int carr_ok)
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{
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int old;
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old = utp->carrier;
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if (carr_ok) {
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/* carrier */
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utp->carrier = UTP_CARR_OK;
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if (old != UTP_CARR_OK) {
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if_printf(&utp->ifatm->ifnet, "carrier detected\n");
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}
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} else {
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/* no carrier */
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utp->carrier = UTP_CARR_LOST;
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if (old == UTP_CARR_OK) {
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if_printf(&utp->ifatm->ifnet, "carrier lost\n");
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}
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}
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}
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static int
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utopia_update_carrier_default(struct utopia *utp)
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{
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int err;
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uint8_t reg;
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u_int n = 1;
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if ((err = READREGS(utp, SUNI_REGO_RSOPSIS, ®, &n)) != 0) {
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utp->carrier = UTP_CARR_UNKNOWN;
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return (err);
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}
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utopia_check_carrier(utp, !(reg & SUNI_REGM_RSOPSIS_LOSV));
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return (0);
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}
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/*
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* enable/disable scrambling
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*/
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static int
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utopia_set_noscramb_default(struct utopia *utp, int noscramb)
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{
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int err;
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if (noscramb) {
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err = WRITEREG(utp, SUNI_REGO_TACPCTRL,
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SUNI_REGM_TACPCTRL_DSCR, SUNI_REGM_TACPCTRL_DSCR);
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if (err)
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return (err);
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err = WRITEREG(utp, SUNI_REGO_RACPCTRL,
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SUNI_REGM_RACPCTRL_DDSCR, SUNI_REGM_RACPCTRL_DDSCR);
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if (err)
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return (err);
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utp->state |= UTP_ST_NOSCRAMB;
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} else {
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err = WRITEREG(utp, SUNI_REGO_TACPCTRL,
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SUNI_REGM_TACPCTRL_DSCR, 0);
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if (err)
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return (err);
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err = WRITEREG(utp, SUNI_REGO_RACPCTRL,
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SUNI_REGM_RACPCTRL_DDSCR, 0);
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if (err)
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return (err);
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utp->state &= ~UTP_ST_NOSCRAMB;
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}
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return (0);
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}
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/*
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* set SONET/SDH mode
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*/
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static int
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utopia_set_sdh_default(struct utopia *utp, int sdh)
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{
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int err;
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if (sdh)
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err = WRITEREG(utp, SUNI_REGO_TPOPAPTR + 1,
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SUNI_REGM_TPOPAPTR_S,
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SUNI_REGM_SDH << SUNI_REGS_TPOPAPTR_S);
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else
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err = WRITEREG(utp, SUNI_REGO_TPOPAPTR + 1,
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SUNI_REGM_TPOPAPTR_S,
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SUNI_REGM_SONET << SUNI_REGS_TPOPAPTR_S);
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if (err != 0)
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return (err);
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utp->state &= ~UTP_ST_SDH;
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if (sdh)
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utp->state |= UTP_ST_SDH;
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return (0);
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}
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/*
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* set idle/unassigned cells
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*/
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static int
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utopia_set_unass_default(struct utopia *utp, int unass)
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{
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int err;
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if (unass)
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err = WRITEREG(utp, SUNI_REGO_TACPIDLEH,
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0xff, (0 << SUNI_REGS_TACPIDLEH_CLP));
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else
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err = WRITEREG(utp, SUNI_REGO_TACPIDLEH,
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0xff, (1 << SUNI_REGS_TACPIDLEH_CLP));
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if (err != 0)
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return (err);
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utp->state &= ~UTP_ST_UNASS;
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if (unass)
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utp->state |= UTP_ST_UNASS;
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return (0);
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}
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/*
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* Set loopback mode for the Lite
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*/
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static int
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utopia_set_loopback_lite(struct utopia *utp, u_int mode)
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{
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int err;
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uint32_t val;
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u_int nmode;
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val = 0;
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nmode = mode;
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if (mode & UTP_LOOP_TIME) {
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nmode &= ~UTP_LOOP_TIME;
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val |= SUNI_REGM_MCTRL_LOOPT;
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}
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if (mode & UTP_LOOP_DIAG) {
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nmode &= ~UTP_LOOP_DIAG;
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val |= SUNI_REGM_MCTRL_DLE;
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}
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if (mode & UTP_LOOP_LINE) {
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nmode &= ~UTP_LOOP_LINE;
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if (val & SUNI_REGM_MCTRL_DLE)
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return (EINVAL);
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val |= SUNI_REGM_MCTRL_LLE;
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}
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if (nmode != 0)
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return (EINVAL);
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err = WRITEREG(utp, SUNI_REGO_MCTRL,
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SUNI_REGM_MCTRL_LLE | SUNI_REGM_MCTRL_DLE | SUNI_REGM_MCTRL_LOOPT,
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val);
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if (err)
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return (err);
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utp->loopback = mode;
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return (0);
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}
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/*
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* Set loopback mode for the Ultra
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*/
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static int
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utopia_set_loopback_ultra(struct utopia *utp, u_int mode)
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{
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int err;
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uint32_t val;
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u_int nmode;
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val = 0;
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nmode = mode;
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if (mode & UTP_LOOP_TIME) {
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nmode &= ~UTP_LOOP_TIME;
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val |= SUNI_REGM_MCTRL_LOOPT;
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}
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if (mode & UTP_LOOP_DIAG) {
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nmode &= ~UTP_LOOP_DIAG;
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if (val & SUNI_REGM_MCTRL_LOOPT)
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return (EINVAL);
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val |= SUNI_REGM_MCTRL_SDLE;
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}
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if (mode & UTP_LOOP_LINE) {
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nmode &= ~UTP_LOOP_LINE;
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if (val & (SUNI_REGM_MCTRL_LOOPT | SUNI_REGM_MCTRL_SDLE))
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return (EINVAL);
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val |= SUNI_REGM_MCTRL_LLE;
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}
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if (mode & UTP_LOOP_PARAL) {
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nmode &= ~UTP_LOOP_PARAL;
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val |= SUNI_REGM_MCTRL_PDLE;
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}
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if (mode & UTP_LOOP_TWIST) {
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nmode &= ~UTP_LOOP_TWIST;
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val |= SUNI_REGM_MCTRL_TPLE;
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}
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if (nmode != 0)
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return (EINVAL);
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err = WRITEREG(utp, SUNI_REGO_MCTRL,
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SUNI_REGM_MCTRL_LLE | SUNI_REGM_MCTRL_SDLE | SUNI_REGM_MCTRL_LOOPT |
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SUNI_REGM_MCTRL_PDLE | SUNI_REGM_MCTRL_TPLE, val);
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if (err)
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return (err);
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utp->loopback = mode;
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return (0);
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}
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/*
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* Set loopback mode for the Ultra
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*/
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static int
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utopia_set_loopback_622(struct utopia *utp, u_int mode)
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{
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int err;
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uint32_t val;
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uint8_t config;
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int smode;
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u_int nmode;
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u_int n = 1;
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val = 0;
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nmode = mode;
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if (mode & UTP_LOOP_PATH) {
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nmode &= ~UTP_LOOP_PATH;
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val |= SUNI_REGM_MCTRLM_DPLE;
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}
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err = READREGS(utp, SUNI_REGO_MCONFIG, &config, &n);
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if (err != 0)
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return (err);
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smode = ((config & SUNI_REGM_MCONFIG_TMODE_622) ==
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SUNI_REGM_MCONFIG_TMODE_STS1_BIT &&
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(config & SUNI_REGM_MCONFIG_RMODE_622) ==
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SUNI_REGM_MCONFIG_RMODE_STS1_BIT);
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if (mode & UTP_LOOP_TIME) {
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if (!smode)
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return (EINVAL);
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nmode &= ~UTP_LOOP_TIME;
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val |= SUNI_REGM_MCTRLM_LOOPT;
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}
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if (mode & UTP_LOOP_DIAG) {
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nmode &= ~UTP_LOOP_DIAG;
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if (val & SUNI_REGM_MCTRLM_LOOPT)
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return (EINVAL);
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val |= SUNI_REGM_MCTRLM_DLE;
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}
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if (mode & UTP_LOOP_LINE) {
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nmode &= ~UTP_LOOP_LINE;
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if (val & (SUNI_REGM_MCTRLM_LOOPT | SUNI_REGM_MCTRLM_DLE))
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return (EINVAL);
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val |= SUNI_REGM_MCTRLM_LLE;
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}
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if (nmode != 0)
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return (EINVAL);
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err = WRITEREG(utp, SUNI_REGO_MCTRLM,
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SUNI_REGM_MCTRLM_LLE | SUNI_REGM_MCTRLM_DLE |
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SUNI_REGM_MCTRLM_DPLE | SUNI_REGM_MCTRL_LOOPT, val);
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if (err)
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return (err);
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utp->loopback = mode;
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return (0);
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}
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/*
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* Set the SUNI chip to reflect the current state in utopia.
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* Assume, that the chip has been reset.
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*/
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static int
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utopia_set_chip(struct utopia *utp)
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{
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int err = 0;
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/* set sonet/sdh */
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err |= utopia_set_sdh(utp, utp->state & UTP_ST_SDH);
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/* unassigned or idle cells */
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err |= utopia_set_unass(utp, utp->state & UTP_ST_UNASS);
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err |= WRITEREG(utp, SUNI_REGO_TACPIDLEP, 0xff, 0x6a);
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/* loopback */
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err |= utopia_set_loopback(utp, utp->loopback);
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/* update carrier state */
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err |= utopia_update_carrier(utp);
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/* enable interrupts on LOS */
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err |= WRITEREG(utp, SUNI_REGO_RSOPCIE,
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SUNI_REGM_RSOPCIE_LOSE, SUNI_REGM_RSOPCIE_LOSE);
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return (err ? EIO : 0);
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}
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/*
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* Reset the SUNI chip to reflect the current state of utopia.
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*/
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static int
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utopia_reset_default(struct utopia *utp)
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{
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int err = 0;
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if (!(utp->flags & UTP_FL_NORESET)) {
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err |= WRITEREG(utp, SUNI_REGO_MRESET, SUNI_REGM_MRESET_RESET,
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SUNI_REGM_MRESET_RESET);
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err |= WRITEREG(utp, SUNI_REGO_MRESET, SUNI_REGM_MRESET_RESET,
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0);
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}
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/* disable test mode */
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err |= WRITEREG(utp, SUNI_REGO_MTEST, 0xff, 0x00);
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err |= utopia_set_chip(utp);
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return (err ? EIO : 0);
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}
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/*
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* Reset the SUNI chip to reflect the current state of utopia.
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*/
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static int
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utopia_reset_622(struct utopia *utp)
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{
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int err = 0;
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if (!(utp->flags & UTP_FL_NORESET)) {
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err |= WRITEREG(utp, SUNI_REGO_MRESET, SUNI_REGM_MRESET_RESET,
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SUNI_REGM_MRESET_RESET);
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err |= WRITEREG(utp, SUNI_REGO_MRESET, SUNI_REGM_MRESET_RESET,
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0);
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}
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/* disable test mode */
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err |= WRITEREG(utp, SUNI_REGO_MTEST, 0xff,
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SUNI_REGM_MTEST_DS27_53_622);
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err |= utopia_set_chip(utp);
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return (err ? EIO : 0);
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}
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|
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/*
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* Handle interrupt on lite chip
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*/
|
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static void
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utopia_intr_default(struct utopia *utp)
|
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{
|
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uint8_t regs[SUNI_REGO_MTEST];
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u_int n = SUNI_REGO_MTEST;
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int err;
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/* Read all registers. This acks the interrupts */
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if ((err = READREGS(utp, SUNI_REGO_MRESET, regs, &n)) != 0) {
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printf("SUNI read error %d\n", err);
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return;
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}
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if (n <= SUNI_REGO_RSOPSIS) {
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printf("%s: could not read RSOPSIS", __func__);
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return;
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}
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/* check for LOSI (loss of signal) */
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if ((regs[SUNI_REGO_MISTATUS] & SUNI_REGM_MISTATUS_RSOPI) &&
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(regs[SUNI_REGO_RSOPSIS] & SUNI_REGM_RSOPSIS_LOSI))
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utopia_check_carrier(utp, !(regs[SUNI_REGO_RSOPSIS]
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& SUNI_REGM_RSOPSIS_LOSV));
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}
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|
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static const struct utopia_chip chip_622 = {
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UTP_TYPE_SUNI_622,
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"Suni/622 (PMC-5355)",
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256,
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utopia_reset_622,
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utopia_set_sdh_default,
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utopia_set_unass_default,
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utopia_set_noscramb_default,
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utopia_update_carrier_default,
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utopia_set_loopback_622,
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utopia_intr_default,
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};
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static const struct utopia_chip chip_lite = {
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UTP_TYPE_SUNI_LITE,
|
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"Suni/Lite (PMC-5346)",
|
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256,
|
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utopia_reset_default,
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|
utopia_set_sdh_default,
|
|
utopia_set_unass_default,
|
|
utopia_set_noscramb_default,
|
|
utopia_update_carrier_default,
|
|
utopia_set_loopback_lite,
|
|
utopia_intr_default,
|
|
};
|
|
static const struct utopia_chip chip_ultra = {
|
|
UTP_TYPE_SUNI_ULTRA,
|
|
"Suni/Ultra (PMC-5350)",
|
|
256,
|
|
utopia_reset_default,
|
|
utopia_set_sdh_default,
|
|
utopia_set_unass_default,
|
|
utopia_set_noscramb_default,
|
|
utopia_update_carrier_default,
|
|
utopia_set_loopback_ultra,
|
|
utopia_intr_default,
|
|
};
|
|
|
|
/*
|
|
* 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 |= WRITEREG(utp, IDTPHY_REGO_MCR, 0xff,
|
|
IDTPHY_REGM_MCR_DRIC | IDTPHY_REGM_MCR_EI);
|
|
n = 1;
|
|
err |= READREGS(utp, IDTPHY_REGO_ISTAT, val, &n);
|
|
err |= WRITEREG(utp, IDTPHY_REGO_DIAG, 0xff, 0);
|
|
err |= WRITEREG(utp, IDTPHY_REGO_LHEC, 0xff, 0);
|
|
|
|
err |= WRITEREG(utp, IDTPHY_REGO_CNTS, 0xff, IDTPHY_REGM_CNTS_SEC);
|
|
n = 2;
|
|
err |= READREGS(utp, IDTPHY_REGO_CNT, val, &n);
|
|
|
|
err |= WRITEREG(utp, IDTPHY_REGO_CNTS, 0xff, IDTPHY_REGM_CNTS_TX);
|
|
n = 2;
|
|
err |= READREGS(utp, IDTPHY_REGO_CNT, val, &n);
|
|
|
|
err |= WRITEREG(utp, IDTPHY_REGO_CNTS, 0xff, IDTPHY_REGM_CNTS_RX);
|
|
n = 2;
|
|
err |= READREGS(utp, IDTPHY_REGO_CNT, val, &n);
|
|
|
|
err |= WRITEREG(utp, IDTPHY_REGO_CNTS, 0xff, IDTPHY_REGM_CNTS_HECE);
|
|
n = 2;
|
|
err |= READREGS(utp, IDTPHY_REGO_CNT, val, &n);
|
|
|
|
err |= WRITEREG(utp, IDTPHY_REGO_MCR, IDTPHY_REGM_MCR_DREC,
|
|
IDTPHY_REGM_MCR_DREC);
|
|
err |= 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
|
|
unknown_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 = 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 = WRITEREG(utp, IDTPHY_REGO_DIAG,
|
|
IDTPHY_REGM_DIAG_LOOP, IDTPHY_REGM_DIAG_LOOP_NONE);
|
|
break;
|
|
|
|
case UTP_LOOP_DIAG:
|
|
err = WRITEREG(utp, IDTPHY_REGO_DIAG,
|
|
IDTPHY_REGM_DIAG_LOOP, IDTPHY_REGM_DIAG_LOOP_PHY);
|
|
break;
|
|
|
|
case UTP_LOOP_LINE:
|
|
err = 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 = 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 const struct utopia_chip chip_idt77105 = {
|
|
UTP_TYPE_IDT77105,
|
|
"IDT77105",
|
|
7,
|
|
idt77105_reset,
|
|
unknown_inval,
|
|
unknown_inval,
|
|
unknown_inval,
|
|
idt77105_update_carrier,
|
|
idt77105_set_loopback,
|
|
idt77105_intr,
|
|
};
|
|
|
|
static int
|
|
unknown_reset(struct utopia *utp __unused)
|
|
{
|
|
return (EIO);
|
|
}
|
|
|
|
static int
|
|
unknown_update_carrier(struct utopia *utp)
|
|
{
|
|
utp->carrier = UTP_CARR_UNKNOWN;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
unknown_set_loopback(struct utopia *utp __unused, u_int mode __unused)
|
|
{
|
|
return (EINVAL);
|
|
}
|
|
|
|
static void
|
|
unknown_intr(struct utopia *utp __unused)
|
|
{
|
|
}
|
|
|
|
static const struct utopia_chip chip_unknown = {
|
|
UTP_TYPE_UNKNOWN,
|
|
"unknown",
|
|
0,
|
|
unknown_reset,
|
|
unknown_inval,
|
|
unknown_inval,
|
|
unknown_inval,
|
|
unknown_update_carrier,
|
|
unknown_set_loopback,
|
|
unknown_intr,
|
|
};
|
|
|
|
/*
|
|
* Callbacks for the ifmedia infrastructure.
|
|
*/
|
|
static int
|
|
utopia_media_change(struct ifnet *ifp)
|
|
{
|
|
struct ifatm *ifatm = (struct ifatm *)ifp->if_softc;
|
|
struct utopia *utp = ifatm->phy;
|
|
int error = 0;
|
|
|
|
UTP_LOCK(utp);
|
|
if (utp->chip->type != UTP_TYPE_UNKNOWN && utp->state & UTP_ST_ACTIVE) {
|
|
if (utp->media->ifm_media & IFM_ATM_SDH) {
|
|
if (!(utp->state & UTP_ST_SDH))
|
|
error = utopia_set_sdh(utp, 1);
|
|
} else {
|
|
if (utp->state & UTP_ST_SDH)
|
|
error = utopia_set_sdh(utp, 0);
|
|
}
|
|
if (utp->media->ifm_media & IFM_ATM_UNASSIGNED) {
|
|
if (!(utp->state & UTP_ST_UNASS))
|
|
error = utopia_set_unass(utp, 1);
|
|
} else {
|
|
if (utp->state & UTP_ST_UNASS)
|
|
error = utopia_set_unass(utp, 0);
|
|
}
|
|
if (utp->media->ifm_media & IFM_ATM_NOSCRAMB) {
|
|
if (!(utp->state & UTP_ST_NOSCRAMB))
|
|
error = utopia_set_noscramb(utp, 1);
|
|
} else {
|
|
if (utp->state & UTP_ST_NOSCRAMB)
|
|
error = utopia_set_noscramb(utp, 0);
|
|
}
|
|
} else
|
|
error = EIO;
|
|
UTP_UNLOCK(utp);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Look at the carrier status.
|
|
*/
|
|
static void
|
|
utopia_media_status(struct ifnet *ifp, struct ifmediareq *ifmr)
|
|
{
|
|
struct utopia *utp = ((struct ifatm *)ifp->if_softc)->phy;
|
|
|
|
UTP_LOCK(utp);
|
|
if (utp->chip->type != UTP_TYPE_UNKNOWN && utp->state & UTP_ST_ACTIVE) {
|
|
ifmr->ifm_active = IFM_ATM | utp->ifatm->mib.media;
|
|
|
|
switch (utp->carrier) {
|
|
|
|
case UTP_CARR_OK:
|
|
ifmr->ifm_status = IFM_AVALID | IFM_ACTIVE;
|
|
break;
|
|
|
|
case UTP_CARR_LOST:
|
|
ifmr->ifm_status = IFM_AVALID;
|
|
break;
|
|
|
|
default:
|
|
ifmr->ifm_status = 0;
|
|
break;
|
|
}
|
|
if (utp->state & UTP_ST_SDH) {
|
|
ifmr->ifm_active |= IFM_ATM_SDH;
|
|
ifmr->ifm_current |= IFM_ATM_SDH;
|
|
}
|
|
if (utp->state & UTP_ST_UNASS) {
|
|
ifmr->ifm_active |= IFM_ATM_UNASSIGNED;
|
|
ifmr->ifm_current |= IFM_ATM_UNASSIGNED;
|
|
}
|
|
if (utp->state & UTP_ST_NOSCRAMB) {
|
|
ifmr->ifm_active |= IFM_ATM_NOSCRAMB;
|
|
ifmr->ifm_current |= IFM_ATM_NOSCRAMB;
|
|
}
|
|
} else {
|
|
ifmr->ifm_active = 0;
|
|
ifmr->ifm_status = 0;
|
|
}
|
|
UTP_UNLOCK(utp);
|
|
}
|
|
|
|
/*
|
|
* Initialize media from the mib
|
|
*/
|
|
void
|
|
utopia_init_media(struct utopia *utp)
|
|
{
|
|
|
|
ifmedia_removeall(utp->media);
|
|
ifmedia_add(utp->media, IFM_ATM | utp->ifatm->mib.media, 0, NULL);
|
|
ifmedia_set(utp->media, IFM_ATM | utp->ifatm->mib.media);
|
|
}
|
|
|
|
/*
|
|
* Reset all media
|
|
*/
|
|
void
|
|
utopia_reset_media(struct utopia *utp)
|
|
{
|
|
|
|
ifmedia_removeall(utp->media);
|
|
}
|
|
|
|
/*
|
|
* This is called by the driver as soon as the SUNI registers are accessible.
|
|
* This may be either in the attach routine or the init routine of the driver.
|
|
*/
|
|
int
|
|
utopia_start(struct utopia *utp)
|
|
{
|
|
uint8_t reg;
|
|
int err;
|
|
u_int n = 1;
|
|
|
|
if ((err = READREGS(utp, SUNI_REGO_MRESET, ®, &n)) != 0)
|
|
return (err);
|
|
|
|
switch (reg & SUNI_REGM_MRESET_TYPE) {
|
|
|
|
case SUNI_REGM_MRESET_TYPE_622:
|
|
utp->chip = &chip_622;
|
|
break;
|
|
|
|
case SUNI_REGM_MRESET_TYPE_LITE:
|
|
utp->chip = &chip_lite;
|
|
break;
|
|
|
|
case SUNI_REGM_MRESET_TYPE_ULTRA:
|
|
utp->chip = &chip_ultra;
|
|
break;
|
|
|
|
default:
|
|
if (reg == (IDTPHY_REGM_MCR_DRIC | IDTPHY_REGM_MCR_EI))
|
|
utp->chip = &chip_idt77105;
|
|
else {
|
|
if_printf(&utp->ifatm->ifnet,
|
|
"unknown ATM-PHY chip %#x\n", reg);
|
|
utp->chip = &chip_unknown;
|
|
}
|
|
break;
|
|
}
|
|
utp->state |= UTP_ST_ACTIVE;
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Stop the chip
|
|
*/
|
|
void
|
|
utopia_stop(struct utopia *utp)
|
|
{
|
|
utp->state &= ~UTP_ST_ACTIVE;
|
|
}
|
|
|
|
/*
|
|
* Handle the sysctls
|
|
*/
|
|
static int
|
|
utopia_sysctl_regs(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct utopia *utp = (struct utopia *)arg1;
|
|
int error;
|
|
u_int n;
|
|
uint8_t *val;
|
|
uint8_t new[3];
|
|
|
|
if ((n = utp->chip->nregs) == 0)
|
|
return (EIO);
|
|
val = malloc(sizeof(uint8_t) * n, M_TEMP, M_WAITOK);
|
|
|
|
UTP_LOCK(utp);
|
|
error = READREGS(utp, 0, val, &n);
|
|
UTP_UNLOCK(utp);
|
|
|
|
if (error) {
|
|
free(val, M_TEMP);
|
|
return (error);
|
|
}
|
|
|
|
error = SYSCTL_OUT(req, val, sizeof(uint8_t) * n);
|
|
free(val, M_TEMP);
|
|
if (error != 0 || req->newptr == NULL)
|
|
return (error);
|
|
|
|
error = SYSCTL_IN(req, new, sizeof(new));
|
|
if (error)
|
|
return (error);
|
|
|
|
UTP_LOCK(utp);
|
|
error = WRITEREG(utp, new[0], new[1], new[2]);
|
|
UTP_UNLOCK(utp);
|
|
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Handle the loopback sysctl
|
|
*/
|
|
static int
|
|
utopia_sysctl_loopback(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct utopia *utp = (struct utopia *)arg1;
|
|
int error;
|
|
u_int loopback;
|
|
|
|
error = SYSCTL_OUT(req, &utp->loopback, sizeof(u_int));
|
|
if (error != 0 || req->newptr == NULL)
|
|
return (error);
|
|
|
|
error = SYSCTL_IN(req, &loopback, sizeof(u_int));
|
|
if (error)
|
|
return (error);
|
|
|
|
UTP_LOCK(utp);
|
|
error = utopia_set_loopback(utp, loopback);
|
|
UTP_UNLOCK(utp);
|
|
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Handle the type sysctl
|
|
*/
|
|
static int
|
|
utopia_sysctl_type(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct utopia *utp = (struct utopia *)arg1;
|
|
|
|
return (SYSCTL_OUT(req, &utp->chip->type, sizeof(utp->chip->type)));
|
|
}
|
|
|
|
/*
|
|
* Handle the name sysctl
|
|
*/
|
|
static int
|
|
utopia_sysctl_name(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct utopia *utp = (struct utopia *)arg1;
|
|
|
|
return (SYSCTL_OUT(req, utp->chip->name, strlen(utp->chip->name) + 1));
|
|
}
|
|
|
|
/*
|
|
* Initialize the state. This is called from the drivers attach
|
|
* function. The mutex must be already initialized.
|
|
*/
|
|
int
|
|
utopia_attach(struct utopia *utp, struct ifatm *ifatm, struct ifmedia *media,
|
|
struct mtx *lock, struct sysctl_ctx_list *ctx,
|
|
struct sysctl_oid_list *children, const struct utopia_methods *m)
|
|
{
|
|
|
|
bzero(utp, sizeof(*utp));
|
|
utp->ifatm = ifatm;
|
|
utp->methods = m;
|
|
utp->media = media;
|
|
utp->lock = lock;
|
|
utp->chip = &chip_unknown;
|
|
|
|
ifmedia_init(media,
|
|
IFM_ATM_SDH | IFM_ATM_UNASSIGNED | IFM_ATM_NOSCRAMB,
|
|
utopia_media_change, utopia_media_status);
|
|
|
|
if (SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "phy_regs",
|
|
CTLFLAG_RW | CTLTYPE_OPAQUE, utp, 0, utopia_sysctl_regs, "S",
|
|
"phy registers") == NULL)
|
|
return (-1);
|
|
|
|
if (SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "phy_loopback",
|
|
CTLFLAG_RW | CTLTYPE_UINT, utp, 0, utopia_sysctl_loopback, "IU",
|
|
"phy loopback mode") == NULL)
|
|
return (-1);
|
|
|
|
if (SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "phy_type",
|
|
CTLFLAG_RD | CTLTYPE_UINT, utp, 0, utopia_sysctl_type, "IU",
|
|
"phy type") == NULL)
|
|
return (-1);
|
|
|
|
if (SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "phy_name",
|
|
CTLFLAG_RD | CTLTYPE_STRING, utp, 0, utopia_sysctl_name, "A",
|
|
"phy name") == NULL)
|
|
return (-1);
|
|
|
|
UTP_WLOCK_LIST();
|
|
LIST_INSERT_HEAD(&utopia_list, utp, link);
|
|
UTP_WUNLOCK_LIST();
|
|
|
|
utp->state |= UTP_ST_ATTACHED;
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Detach. We set a flag here, wakeup the daemon and let him do it.
|
|
* Here we need the lock for synchronisation with the daemon.
|
|
*/
|
|
void
|
|
utopia_detach(struct utopia *utp)
|
|
{
|
|
|
|
UTP_LOCK_ASSERT(utp);
|
|
if (utp->state & UTP_ST_ATTACHED) {
|
|
utp->state |= UTP_ST_DETACH;
|
|
while (utp->state & UTP_ST_DETACH) {
|
|
wakeup(&utopia_list);
|
|
msleep(utp, utp->lock, PZERO, "utopia_detach", hz);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* The carrier state kernel proc for those adapters that do not interrupt.
|
|
*
|
|
* We assume, that utopia_attach can safely add a new utopia while we are going
|
|
* through the list without disturbing us (we lock the list while getting
|
|
* the address of the first element, adding is always done at the head).
|
|
* Removing is entirely handled here.
|
|
*/
|
|
static void
|
|
utopia_daemon(void *arg __unused)
|
|
{
|
|
struct utopia *utp, *next;
|
|
|
|
UTP_RLOCK_LIST();
|
|
while (utopia_kproc != NULL) {
|
|
utp = LIST_FIRST(&utopia_list);
|
|
UTP_RUNLOCK_LIST();
|
|
|
|
while (utp != NULL) {
|
|
mtx_lock(&Giant); /* XXX depend on MPSAFE */
|
|
UTP_LOCK(utp);
|
|
next = LIST_NEXT(utp, link);
|
|
if (utp->state & UTP_ST_DETACH) {
|
|
LIST_REMOVE(utp, link);
|
|
utp->state &= ~UTP_ST_DETACH;
|
|
wakeup_one(utp);
|
|
} else if ((utp->state & UTP_ST_ACTIVE) &&
|
|
(utp->flags & UTP_FL_POLL_CARRIER)) {
|
|
utopia_update_carrier(utp);
|
|
}
|
|
UTP_UNLOCK(utp);
|
|
mtx_unlock(&Giant); /* XXX depend on MPSAFE */
|
|
utp = next;
|
|
}
|
|
|
|
UTP_RLOCK_LIST();
|
|
msleep(&utopia_list, &utopia_list_mtx, PZERO, "utopia", hz);
|
|
}
|
|
wakeup_one(&utopia_list);
|
|
UTP_RUNLOCK_LIST();
|
|
mtx_lock(&Giant);
|
|
kthread_exit(0);
|
|
}
|
|
|
|
/*
|
|
* Module initialisation
|
|
*/
|
|
static int
|
|
utopia_mod_init(module_t mod, int what, void *arg)
|
|
{
|
|
int err;
|
|
struct proc *kp;
|
|
|
|
switch (what) {
|
|
|
|
case MOD_LOAD:
|
|
mtx_init(&utopia_list_mtx, "utopia list mutex", NULL, MTX_DEF);
|
|
err = kthread_create(utopia_daemon, NULL, &utopia_kproc,
|
|
RFHIGHPID, 0, "utopia");
|
|
if (err != 0) {
|
|
printf("cannot created utopia thread %d\n", err);
|
|
return (err);
|
|
}
|
|
break;
|
|
|
|
case MOD_UNLOAD:
|
|
UTP_WLOCK_LIST();
|
|
if ((kp = utopia_kproc) != NULL) {
|
|
utopia_kproc = NULL;
|
|
wakeup_one(&utopia_list);
|
|
PROC_LOCK(kp);
|
|
UTP_WUNLOCK_LIST();
|
|
msleep(kp, &kp->p_mtx, PWAIT, "utopia_destroy", 0);
|
|
PROC_UNLOCK(kp);
|
|
} else
|
|
UTP_WUNLOCK_LIST();
|
|
mtx_destroy(&utopia_list_mtx);
|
|
break;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static moduledata_t utopia_mod = {
|
|
"utopia",
|
|
utopia_mod_init,
|
|
0
|
|
};
|
|
|
|
DECLARE_MODULE(utopia, utopia_mod, SI_SUB_INIT_IF, SI_ORDER_ANY);
|
|
MODULE_VERSION(utopia, 1);
|