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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
/*-
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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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* Author: Hartmut Brandt <harti@freebsd.org>
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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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#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/module.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/idtphy.h>
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#include <dev/utopia/utopia.h>
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#include <dev/utopia/utopia_priv.h>
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/*
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* Reset IDT77105. There is really no way to reset this thing by acessing
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* the registers. Load the registers with default values.
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*/
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static int
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idt77105_reset(struct utopia *utp)
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{
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int err = 0;
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u_int n;
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uint8_t val[2];
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err |= UTP_WRITEREG(utp, IDTPHY_REGO_MCR, 0xff,
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IDTPHY_REGM_MCR_DRIC | IDTPHY_REGM_MCR_EI);
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n = 1;
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err |= UTP_READREGS(utp, IDTPHY_REGO_ISTAT, val, &n);
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err |= UTP_WRITEREG(utp, IDTPHY_REGO_DIAG, 0xff, 0);
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err |= UTP_WRITEREG(utp, IDTPHY_REGO_LHEC, 0xff, 0);
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err |= UTP_WRITEREG(utp, IDTPHY_REGO_CNTS, 0xff, IDTPHY_REGM_CNTS_SEC);
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n = 2;
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err |= UTP_READREGS(utp, IDTPHY_REGO_CNT, val, &n);
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err |= UTP_WRITEREG(utp, IDTPHY_REGO_CNTS, 0xff, IDTPHY_REGM_CNTS_TX);
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n = 2;
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err |= UTP_READREGS(utp, IDTPHY_REGO_CNT, val, &n);
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err |= UTP_WRITEREG(utp, IDTPHY_REGO_CNTS, 0xff, IDTPHY_REGM_CNTS_RX);
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n = 2;
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err |= UTP_READREGS(utp, IDTPHY_REGO_CNT, val, &n);
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err |= UTP_WRITEREG(utp, IDTPHY_REGO_CNTS, 0xff, IDTPHY_REGM_CNTS_HECE);
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n = 2;
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err |= UTP_READREGS(utp, IDTPHY_REGO_CNT, val, &n);
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err |= UTP_WRITEREG(utp, IDTPHY_REGO_MCR, IDTPHY_REGM_MCR_DREC,
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IDTPHY_REGM_MCR_DREC);
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err |= UTP_WRITEREG(utp, IDTPHY_REGO_DIAG, IDTPHY_REGM_DIAG_RFLUSH,
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IDTPHY_REGM_DIAG_RFLUSH);
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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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return (err ? EIO : 0);
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}
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static int
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idt77105_inval(struct utopia *utp, int what __unused)
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{
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return (EINVAL);
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}
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static int
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idt77105_update_carrier(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 = UTP_READREGS(utp, IDTPHY_REGO_ISTAT, ®, &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 & IDTPHY_REGM_ISTAT_GOOD);
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return (0);
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}
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static int
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idt77105_set_loopback(struct utopia *utp, u_int mode)
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{
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int err;
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switch (mode) {
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case UTP_LOOP_NONE:
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err = UTP_WRITEREG(utp, IDTPHY_REGO_DIAG,
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IDTPHY_REGM_DIAG_LOOP, IDTPHY_REGM_DIAG_LOOP_NONE);
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break;
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case UTP_LOOP_DIAG:
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err = UTP_WRITEREG(utp, IDTPHY_REGO_DIAG,
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IDTPHY_REGM_DIAG_LOOP, IDTPHY_REGM_DIAG_LOOP_PHY);
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break;
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case UTP_LOOP_LINE:
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err = UTP_WRITEREG(utp, IDTPHY_REGO_DIAG,
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IDTPHY_REGM_DIAG_LOOP, IDTPHY_REGM_DIAG_LOOP_LINE);
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break;
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default:
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return (EINVAL);
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}
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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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* Handle interrupt on IDT77105 chip
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*/
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static void
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idt77105_intr(struct utopia *utp)
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{
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uint8_t reg;
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u_int n = 1;
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int err;
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/* Interrupt status and ack the interrupt */
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if ((err = UTP_READREGS(utp, IDTPHY_REGO_ISTAT, ®, &n)) != 0) {
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printf("IDT77105 read error %d\n", err);
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return;
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}
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/* check for signal condition */
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utopia_check_carrier(utp, reg & IDTPHY_REGM_ISTAT_GOOD);
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}
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static void
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idt77105_update_stats(struct utopia *utp)
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{
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int err = 0;
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uint8_t regs[2];
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u_int n;
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#ifdef DIAGNOSTIC
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#define UDIAG(F,A,B) printf(F, A, B)
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#else
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#define UDIAG(F,A,B) do { } while (0)
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#endif
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#define UPD(FIELD, CODE, N, MASK) \
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err = UTP_WRITEREG(utp, IDTPHY_REGO_CNTS, 0xff, CODE); \
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if (err != 0) { \
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UDIAG("%s: cannot write CNTS: %d\n", __func__, err); \
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return; \
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} \
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n = N; \
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err = UTP_READREGS(utp, IDTPHY_REGO_CNT, regs, &n); \
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if (err != 0) { \
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UDIAG("%s: cannot read CNT: %d\n", __func__, err); \
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return; \
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} \
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if (n != N) { \
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UDIAG("%s: got only %u registers\n", __func__, n); \
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return; \
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} \
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if (N == 1) \
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utp->stats.FIELD += (regs[0] & MASK); \
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else \
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utp->stats.FIELD += (regs[0] | (regs[1] << 8)) & MASK;
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UPD(rx_symerr, IDTPHY_REGM_CNTS_SEC, 1, 0xff);
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UPD(tx_cells, IDTPHY_REGM_CNTS_TX, 2, 0xffff);
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UPD(rx_cells, IDTPHY_REGM_CNTS_RX, 2, 0xffff);
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UPD(rx_uncorr, IDTPHY_REGM_CNTS_HECE, 1, 0x1f);
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#undef UDIAG
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#undef UPD
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}
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struct utopia_chip utopia_chip_idt77105 = {
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UTP_TYPE_IDT77105,
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"IDT77105",
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7,
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idt77105_reset,
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idt77105_inval,
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idt77105_inval,
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idt77105_inval,
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idt77105_update_carrier,
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idt77105_set_loopback,
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idt77105_intr,
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idt77105_update_stats,
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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 int
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idt77155_update_carrier(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 = UTP_READREGS(utp, IDTPHY_REGO_RSOS, ®, &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 & IDTPHY_REGM_RSOS_LOS));
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return (0);
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}
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/*
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* Handle interrupt on IDT77155 chip
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*/
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static void
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idt77155_intr(struct utopia *utp)
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{
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uint8_t reg;
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u_int n = 1;
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int err;
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if ((err = UTP_READREGS(utp, IDTPHY_REGO_RSOS, ®, &n)) != 0) {
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printf("IDT77105 read error %d\n", err);
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return;
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}
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utopia_check_carrier(utp, !(reg & IDTPHY_REGM_RSOS_LOS));
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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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idt77155_set_sdh(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 = UTP_WRITEREG(utp, IDTPHY_REGO_PTRM,
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IDTPHY_REGM_PTRM_SS, IDTPHY_REGM_PTRM_SDH);
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else
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err = UTP_WRITEREG(utp, IDTPHY_REGO_PTRM,
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IDTPHY_REGM_PTRM_SS, IDTPHY_REGM_PTRM_SONET);
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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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idt77155_set_unass(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 = UTP_WRITEREG(utp, IDTPHY_REGO_TCHP, 0xff, 0);
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else
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err = UTP_WRITEREG(utp, IDTPHY_REGO_TCHP, 0xff, 1);
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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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* enable/disable scrambling
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*/
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static int
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idt77155_set_noscramb(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 = UTP_WRITEREG(utp, IDTPHY_REGO_TCC,
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IDTPHY_REGM_TCC_DSCR, IDTPHY_REGM_TCC_DSCR);
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if (err)
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return (err);
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err = UTP_WRITEREG(utp, IDTPHY_REGO_RCC,
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IDTPHY_REGM_RCC_DSCR, IDTPHY_REGM_RCC_DSCR);
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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 = UTP_WRITEREG(utp, IDTPHY_REGO_TCC,
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IDTPHY_REGM_TCC_DSCR, 0);
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if (err)
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return (err);
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err = UTP_WRITEREG(utp, IDTPHY_REGO_RCC,
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IDTPHY_REGM_RCC_DSCR, 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 loopback mode for the 77155
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*/
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static int
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idt77155_set_loopback(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 |= IDTPHY_REGM_MCTL_TLOOP;
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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 |= IDTPHY_REGM_MCTL_DLOOP;
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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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val |= IDTPHY_REGM_MCTL_LLOOP;
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}
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if (nmode != 0)
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return (EINVAL);
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err = UTP_WRITEREG(utp, IDTPHY_REGO_MCTL, IDTPHY_REGM_MCTL_TLOOP |
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IDTPHY_REGM_MCTL_DLOOP | IDTPHY_REGM_MCTL_LLOOP, 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 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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idt77155_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 |= idt77155_set_sdh(utp, utp->state & UTP_ST_SDH);
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/* unassigned or idle cells */
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err |= idt77155_set_unass(utp, utp->state & UTP_ST_UNASS);
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/* loopback */
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err |= idt77155_set_loopback(utp, utp->loopback);
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/* update carrier state */
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err |= idt77155_update_carrier(utp);
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/* enable interrupts on LOS */
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err |= UTP_WRITEREG(utp, IDTPHY_REGO_INT,
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IDTPHY_REGM_INT_RXSOHI, IDTPHY_REGM_INT_RXSOHI);
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err |= UTP_WRITEREG(utp, IDTPHY_REGO_RSOC,
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IDTPHY_REGM_RSOC_LOSI, IDTPHY_REGM_RSOC_LOSI);
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return (err ? EIO : 0);
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}
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/*
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* Reset the chip to reflect the current state of utopia.
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*/
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static int
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idt77155_reset(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 |= UTP_WRITEREG(utp, IDTPHY_REGO_MRID,
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IDTPHY_REGM_MRID_RESET, IDTPHY_REGM_MRID_RESET);
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err |= UTP_WRITEREG(utp, IDTPHY_REGO_MRID,
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IDTPHY_REGM_MRID_RESET, 0);
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}
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err |= idt77155_set_chip(utp);
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return (err ? EIO : 0);
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}
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/*
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* Update statistics from a IDT77155
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* This appears to be the same as for the Suni/Lite and Ultra. IDT however
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* makes no assessment about the transfer time. Assume 7us.
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*/
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static void
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idt77155_update_stats(struct utopia *utp)
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{
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int err;
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/* write to the master if we can */
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if (!(utp->flags & UTP_FL_NORESET)) {
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err = UTP_WRITEREG(utp, IDTPHY_REGO_MRID, 0, 0);
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} else {
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err = UTP_WRITEREG(utp, IDTPHY_REGO_BIPC, 0, 0);
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err |= UTP_WRITEREG(utp, IDTPHY_REGO_B2EC, 0, 0);
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err |= UTP_WRITEREG(utp, IDTPHY_REGO_B3EC, 0, 0);
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err |= UTP_WRITEREG(utp, IDTPHY_REGO_CEC, 0, 0);
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err |= UTP_WRITEREG(utp, IDTPHY_REGO_TXCNT, 0, 0);
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}
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if (err) {
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#ifdef DIAGNOSTIC
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printf("%s: register write error %s: %d\n", __func__,
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utp->chip->name, err);
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#endif
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return;
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}
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DELAY(8);
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utp->stats.rx_sbip += utopia_update(utp,
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IDTPHY_REGO_BIPC, 2, 0xffff);
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utp->stats.rx_lbip += utopia_update(utp,
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IDTPHY_REGO_B2EC, 3, 0xfffff);
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utp->stats.rx_lfebe += utopia_update(utp,
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IDTPHY_REGO_FEBEC, 3, 0xfffff);
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utp->stats.rx_pbip += utopia_update(utp,
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IDTPHY_REGO_B3EC, 2, 0xffff);
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utp->stats.rx_pfebe += utopia_update(utp,
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IDTPHY_REGO_PFEBEC, 2, 0xffff);
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utp->stats.rx_corr += utopia_update(utp,
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IDTPHY_REGO_CEC, 1, 0xff);
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utp->stats.rx_uncorr += utopia_update(utp,
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IDTPHY_REGO_UEC, 1, 0xff);
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utp->stats.rx_cells += utopia_update(utp,
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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,
|
|
};
|