diff options
Diffstat (limited to 'sys/i4b/layer1/ifpi')
| -rw-r--r-- | sys/i4b/layer1/ifpi/i4b_ifpi_ext.h | 61 | ||||
| -rw-r--r-- | sys/i4b/layer1/ifpi/i4b_ifpi_isac.c | 666 | ||||
| -rw-r--r-- | sys/i4b/layer1/ifpi/i4b_ifpi_l1.c | 244 | ||||
| -rw-r--r-- | sys/i4b/layer1/ifpi/i4b_ifpi_l1fsm.c | 517 |
4 files changed, 0 insertions, 1488 deletions
diff --git a/sys/i4b/layer1/ifpi/i4b_ifpi_ext.h b/sys/i4b/layer1/ifpi/i4b_ifpi_ext.h deleted file mode 100644 index c2d4cdf6e79af..0000000000000 --- a/sys/i4b/layer1/ifpi/i4b_ifpi_ext.h +++ /dev/null @@ -1,61 +0,0 @@ -/* - * Copyright (c) 2000 Gary Jennejohn. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - *--------------------------------------------------------------------------- - * - * i4b_ifpi - Fritz!Card PCI for split layers - * ------------------------------------------ - * - * $Id: i4b_ifpi_ext.h,v 1.2 2000/06/02 16:14:36 hm Exp $ - * - * $FreeBSD$ - * - * last edit-date: [Fri Jun 2 14:53:31 2000] - * - *---------------------------------------------------------------------------*/ - -#ifndef _I4B_IFPI_EXT_H_ -#define _I4B_IFPI_EXT_H_ - -#include <i4b/include/i4b_l3l4.h> - -void ifpi_set_linktab(int unit, int channel, drvr_link_t * dlt); -isdn_link_t *ifpi_ret_linktab(int unit, int channel); - -int ifpi_ph_data_req(int unit, struct mbuf *m, int freeflag); -int ifpi_ph_activate_req(int unit); -int ifpi_mph_command_req(int unit, int command, void *parm); - -void ifpi_isac_irq(struct l1_softc *sc, int ista); -void ifpi_isac_l1_cmd(struct l1_softc *sc, int command); -int ifpi_isac_init(struct l1_softc *sc); - -void ifpi_recover(struct l1_softc *sc); -char * ifpi_printstate(struct l1_softc *sc); -void ifpi_next_state(struct l1_softc *sc, int event); - -#define IFPI_MAXUNIT 4 -extern struct l1_softc *ifpi_scp[IFPI_MAXUNIT]; - -#endif /* _I4B_IFPI_EXT_H_ */ diff --git a/sys/i4b/layer1/ifpi/i4b_ifpi_isac.c b/sys/i4b/layer1/ifpi/i4b_ifpi_isac.c deleted file mode 100644 index 168506daba109..0000000000000 --- a/sys/i4b/layer1/ifpi/i4b_ifpi_isac.c +++ /dev/null @@ -1,666 +0,0 @@ -/* - * Copyright (c) 1997, 2000 Hellmuth Michaelis. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - *--------------------------------------------------------------------------- - * - * i4b_ifpi_isac.c - i4b Fritz PCI ISAC handler - * -------------------------------------------- - * - * $Id: i4b_ifpi_isac.c,v 1.3 2000/05/29 15:41:41 hm Exp $ - * - * $FreeBSD$ - * - * last edit-date: [Mon May 29 15:22:52 2000] - * - *---------------------------------------------------------------------------*/ - -#include "ifpi.h" -#include "pci.h" - -#if (NIFPI > 0) && (NPCI > 0) - -#include "opt_i4b.h" - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/mbuf.h> -#include <sys/socket.h> - - -#include <net/if.h> - -#include <machine/i4b_debug.h> -#include <machine/i4b_ioctl.h> -#include <machine/i4b_trace.h> - -#include <i4b/layer1/i4b_l1.h> - -#include <i4b/layer1/isic/i4b_isic.h> -#include <i4b/layer1/isic/i4b_isac.h> -#include <i4b/layer1/isic/i4b_hscx.h> - -#include <i4b/layer1/ifpi/i4b_ifpi_ext.h> - -#include <i4b/include/i4b_global.h> -#include <i4b/include/i4b_mbuf.h> - -static u_char ifpi_isac_exir_hdlr(register struct l1_softc *sc, u_char exir); -static void ifpi_isac_ind_hdlr(register struct l1_softc *sc, int ind); - -/*---------------------------------------------------------------------------* - * ISAC interrupt service routine - *---------------------------------------------------------------------------*/ -void -ifpi_isac_irq(struct l1_softc *sc, int ista) -{ - register u_char c = 0; - NDBGL1(L1_F_MSG, "unit %d: ista = 0x%02x", sc->sc_unit, ista); - - if(ista & ISAC_ISTA_EXI) /* extended interrupt */ - { - c |= ifpi_isac_exir_hdlr(sc, ISAC_READ(I_EXIR)); - } - - if(ista & ISAC_ISTA_RME) /* receive message end */ - { - register int rest; - u_char rsta; - - /* get rx status register */ - - rsta = ISAC_READ(I_RSTA); - - if((rsta & ISAC_RSTA_MASK) != 0x20) - { - int error = 0; - - if(!(rsta & ISAC_RSTA_CRC)) /* CRC error */ - { - error++; - NDBGL1(L1_I_ERR, "unit %d: CRC error", sc->sc_unit); - } - - if(rsta & ISAC_RSTA_RDO) /* ReceiveDataOverflow */ - { - error++; - NDBGL1(L1_I_ERR, "unit %d: Data Overrun error", sc->sc_unit); - } - - if(rsta & ISAC_RSTA_RAB) /* ReceiveABorted */ - { - error++; - NDBGL1(L1_I_ERR, "unit %d: Receive Aborted error", sc->sc_unit); - } - - if(error == 0) - NDBGL1(L1_I_ERR, "unit %d: RME unknown error, RSTA = 0x%02x!", sc->sc_unit, rsta); - - i4b_Dfreembuf(sc->sc_ibuf); - - c |= ISAC_CMDR_RMC|ISAC_CMDR_RRES; - - sc->sc_ibuf = NULL; - sc->sc_ib = NULL; - sc->sc_ilen = 0; - - ISAC_WRITE(I_CMDR, ISAC_CMDR_RMC|ISAC_CMDR_RRES); - ISACCMDRWRDELAY(); - - return; - } - - rest = (ISAC_READ(I_RBCL) & (ISAC_FIFO_LEN-1)); - - if(rest == 0) - rest = ISAC_FIFO_LEN; - - if(sc->sc_ibuf == NULL) - { - if((sc->sc_ibuf = i4b_Dgetmbuf(rest)) != NULL) - sc->sc_ib = sc->sc_ibuf->m_data; - else - panic("ifpi_isac_irq: RME, i4b_Dgetmbuf returns NULL!\n"); - sc->sc_ilen = 0; - } - - if(sc->sc_ilen <= (MAX_DFRAME_LEN - rest)) - { - ISAC_RDFIFO(sc->sc_ib, rest); - sc->sc_ilen += rest; - - sc->sc_ibuf->m_pkthdr.len = - sc->sc_ibuf->m_len = sc->sc_ilen; - - if(sc->sc_trace & TRACE_D_RX) - { - i4b_trace_hdr_t hdr; - hdr.unit = L0IFPIUNIT(sc->sc_unit); - hdr.type = TRC_CH_D; - hdr.dir = FROM_NT; - hdr.count = ++sc->sc_trace_dcount; - MICROTIME(hdr.time); - i4b_l1_trace_ind(&hdr, sc->sc_ibuf->m_len, sc->sc_ibuf->m_data); - } - - c |= ISAC_CMDR_RMC; - - if(sc->sc_enabled && - (ctrl_desc[sc->sc_unit].protocol != PROTOCOL_D64S)) - { - i4b_l1_ph_data_ind(L0IFPIUNIT(sc->sc_unit), sc->sc_ibuf); - } - else - { - i4b_Dfreembuf(sc->sc_ibuf); - } - } - else - { - NDBGL1(L1_I_ERR, "RME, input buffer overflow!"); - i4b_Dfreembuf(sc->sc_ibuf); - c |= ISAC_CMDR_RMC|ISAC_CMDR_RRES; - } - - sc->sc_ibuf = NULL; - sc->sc_ib = NULL; - sc->sc_ilen = 0; - } - - if(ista & ISAC_ISTA_RPF) /* receive fifo full */ - { - if(sc->sc_ibuf == NULL) - { - if((sc->sc_ibuf = i4b_Dgetmbuf(MAX_DFRAME_LEN)) != NULL) - sc->sc_ib= sc->sc_ibuf->m_data; - else - panic("ifpi_isac_irq: RPF, i4b_Dgetmbuf returns NULL!\n"); - sc->sc_ilen = 0; - } - - if(sc->sc_ilen <= (MAX_DFRAME_LEN - ISAC_FIFO_LEN)) - { - ISAC_RDFIFO(sc->sc_ib, ISAC_FIFO_LEN); - sc->sc_ilen += ISAC_FIFO_LEN; - sc->sc_ib += ISAC_FIFO_LEN; - c |= ISAC_CMDR_RMC; - } - else - { - NDBGL1(L1_I_ERR, "RPF, input buffer overflow!"); - i4b_Dfreembuf(sc->sc_ibuf); - sc->sc_ibuf = NULL; - sc->sc_ib = NULL; - sc->sc_ilen = 0; - c |= ISAC_CMDR_RMC|ISAC_CMDR_RRES; - } - } - - if(ista & ISAC_ISTA_XPR) /* transmit fifo empty (XPR bit set) */ - { - if((sc->sc_obuf2 != NULL) && (sc->sc_obuf == NULL)) - { - sc->sc_freeflag = sc->sc_freeflag2; - sc->sc_obuf = sc->sc_obuf2; - sc->sc_op = sc->sc_obuf->m_data; - sc->sc_ol = sc->sc_obuf->m_len; - sc->sc_obuf2 = NULL; -#ifdef NOTDEF - printf("ob2=%x, op=%x, ol=%d, f=%d #", - sc->sc_obuf, - sc->sc_op, - sc->sc_ol, - sc->sc_state); -#endif - } - else - { -#ifdef NOTDEF - printf("ob=%x, op=%x, ol=%d, f=%d #", - sc->sc_obuf, - sc->sc_op, - sc->sc_ol, - sc->sc_state); -#endif - } - - if(sc->sc_obuf) - { - ISAC_WRFIFO(sc->sc_op, min(sc->sc_ol, ISAC_FIFO_LEN)); - - if(sc->sc_ol > ISAC_FIFO_LEN) /* length > 32 ? */ - { - sc->sc_op += ISAC_FIFO_LEN; /* bufferptr+32 */ - sc->sc_ol -= ISAC_FIFO_LEN; /* length - 32 */ - c |= ISAC_CMDR_XTF; /* set XTF bit */ - } - else - { - if(sc->sc_freeflag) - { - i4b_Dfreembuf(sc->sc_obuf); - sc->sc_freeflag = 0; - } - sc->sc_obuf = NULL; - sc->sc_op = NULL; - sc->sc_ol = 0; - - c |= ISAC_CMDR_XTF | ISAC_CMDR_XME; - } - } - else - { - sc->sc_state &= ~ISAC_TX_ACTIVE; - } - } - - if(ista & ISAC_ISTA_CISQ) /* channel status change CISQ */ - { - register u_char ci; - - /* get command/indication rx register*/ - - ci = ISAC_READ(I_CIRR); - - /* if S/Q IRQ, read SQC reg to clr SQC IRQ */ - - if(ci & ISAC_CIRR_SQC) - (void) ISAC_READ(I_SQRR); - - /* C/I code change IRQ (flag already cleared by CIRR read) */ - - if(ci & ISAC_CIRR_CIC0) - ifpi_isac_ind_hdlr(sc, (ci >> 2) & 0xf); - } - - if(c) - { - ISAC_WRITE(I_CMDR, c); - ISACCMDRWRDELAY(); - } -} - -/*---------------------------------------------------------------------------* - * ISAC L1 Extended IRQ handler - *---------------------------------------------------------------------------*/ -static u_char -ifpi_isac_exir_hdlr(register struct l1_softc *sc, u_char exir) -{ - u_char c = 0; - - if(exir & ISAC_EXIR_XMR) - { - NDBGL1(L1_I_ERR, "EXIRQ Tx Message Repeat"); - - c |= ISAC_CMDR_XRES; - } - - if(exir & ISAC_EXIR_XDU) - { - NDBGL1(L1_I_ERR, "EXIRQ Tx Data Underrun"); - - c |= ISAC_CMDR_XRES; - } - - if(exir & ISAC_EXIR_PCE) - { - NDBGL1(L1_I_ERR, "EXIRQ Protocol Error"); - } - - if(exir & ISAC_EXIR_RFO) - { - NDBGL1(L1_I_ERR, "EXIRQ Rx Frame Overflow"); - - c |= ISAC_CMDR_RMC|ISAC_CMDR_RRES; - } - - if(exir & ISAC_EXIR_SOV) - { - NDBGL1(L1_I_ERR, "EXIRQ Sync Xfer Overflow"); - } - - if(exir & ISAC_EXIR_MOS) - { - NDBGL1(L1_I_ERR, "EXIRQ Monitor Status"); - } - - if(exir & ISAC_EXIR_SAW) - { - /* cannot happen, STCR:TSF is set to 0 */ - - NDBGL1(L1_I_ERR, "EXIRQ Subscriber Awake"); - } - - if(exir & ISAC_EXIR_WOV) - { - /* cannot happen, STCR:TSF is set to 0 */ - - NDBGL1(L1_I_ERR, "EXIRQ Watchdog Timer Overflow"); - } - - return(c); -} - -/*---------------------------------------------------------------------------* - * ISAC L1 Indication handler - *---------------------------------------------------------------------------*/ -static void -ifpi_isac_ind_hdlr(register struct l1_softc *sc, int ind) -{ - register int event; - - switch(ind) - { - case ISAC_CIRR_IAI8: - NDBGL1(L1_I_CICO, "rx AI8 in state %s", ifpi_printstate(sc)); - if(sc->sc_bustyp == BUS_TYPE_IOM2) - ifpi_isac_l1_cmd(sc, CMD_AR8); - event = EV_INFO48; - i4b_l1_mph_status_ind(L0IFPIUNIT(sc->sc_unit), STI_L1STAT, LAYER_ACTIVE, NULL); - break; - - case ISAC_CIRR_IAI10: - NDBGL1(L1_I_CICO, "rx AI10 in state %s", ifpi_printstate(sc)); - if(sc->sc_bustyp == BUS_TYPE_IOM2) - ifpi_isac_l1_cmd(sc, CMD_AR10); - event = EV_INFO410; - i4b_l1_mph_status_ind(L0IFPIUNIT(sc->sc_unit), STI_L1STAT, LAYER_ACTIVE, NULL); - break; - - case ISAC_CIRR_IRSY: - NDBGL1(L1_I_CICO, "rx RSY in state %s", ifpi_printstate(sc)); - event = EV_RSY; - break; - - case ISAC_CIRR_IPU: - NDBGL1(L1_I_CICO, "rx PU in state %s", ifpi_printstate(sc)); - event = EV_PU; - break; - - case ISAC_CIRR_IDR: - NDBGL1(L1_I_CICO, "rx DR in state %s", ifpi_printstate(sc)); - ifpi_isac_l1_cmd(sc, CMD_DIU); - event = EV_DR; - break; - - case ISAC_CIRR_IDID: - NDBGL1(L1_I_CICO, "rx DID in state %s", ifpi_printstate(sc)); - event = EV_INFO0; - i4b_l1_mph_status_ind(L0IFPIUNIT(sc->sc_unit), STI_L1STAT, LAYER_IDLE, NULL); - break; - - case ISAC_CIRR_IDIS: - NDBGL1(L1_I_CICO, "rx DIS in state %s", ifpi_printstate(sc)); - event = EV_DIS; - break; - - case ISAC_CIRR_IEI: - NDBGL1(L1_I_CICO, "rx EI in state %s", ifpi_printstate(sc)); - ifpi_isac_l1_cmd(sc, CMD_DIU); - event = EV_EI; - break; - - case ISAC_CIRR_IARD: - NDBGL1(L1_I_CICO, "rx ARD in state %s", ifpi_printstate(sc)); - event = EV_INFO2; - break; - - case ISAC_CIRR_ITI: - NDBGL1(L1_I_CICO, "rx TI in state %s", ifpi_printstate(sc)); - event = EV_INFO0; - break; - - case ISAC_CIRR_IATI: - NDBGL1(L1_I_CICO, "rx ATI in state %s", ifpi_printstate(sc)); - event = EV_INFO0; - break; - - case ISAC_CIRR_ISD: - NDBGL1(L1_I_CICO, "rx SD in state %s", ifpi_printstate(sc)); - event = EV_INFO0; - break; - - default: - NDBGL1(L1_I_ERR, "UNKNOWN Indication 0x%x in state %s", ind, ifpi_printstate(sc)); - event = EV_INFO0; - break; - } - ifpi_next_state(sc, event); -} - -/*---------------------------------------------------------------------------* - * execute a layer 1 command - *---------------------------------------------------------------------------*/ -void -ifpi_isac_l1_cmd(struct l1_softc *sc, int command) -{ - u_char cmd; - -#ifdef I4B_SMP_WORKAROUND - - /* XXXXXXXXXXXXXXXXXXX */ - - /* - * patch from Wolfgang Helbig: - * - * Here is a patch that makes i4b work on an SMP: - * The card (TELES 16.3) didn't interrupt on an SMP machine. - * This is a gross workaround, but anyway it works *and* provides - * some information as how to finally fix this problem. - */ - - HSCX_WRITE(0, H_MASK, 0xff); - HSCX_WRITE(1, H_MASK, 0xff); - ISAC_WRITE(I_MASK, 0xff); - DELAY(100); - HSCX_WRITE(0, H_MASK, HSCX_A_IMASK); - HSCX_WRITE(1, H_MASK, HSCX_B_IMASK); - ISAC_WRITE(I_MASK, ISAC_IMASK); - - /* XXXXXXXXXXXXXXXXXXX */ - -#endif /* I4B_SMP_WORKAROUND */ - - if(command < 0 || command > CMD_ILL) - { - NDBGL1(L1_I_ERR, "illegal cmd 0x%x in state %s", command, ifpi_printstate(sc)); - return; - } - - if(sc->sc_bustyp == BUS_TYPE_IOM2) - cmd = ISAC_CIX0_LOW; - else - cmd = 0; - - switch(command) - { - case CMD_TIM: - NDBGL1(L1_I_CICO, "tx TIM in state %s", ifpi_printstate(sc)); - cmd |= (ISAC_CIXR_CTIM << 2); - break; - - case CMD_RS: - NDBGL1(L1_I_CICO, "tx RS in state %s", ifpi_printstate(sc)); - cmd |= (ISAC_CIXR_CRS << 2); - break; - - case CMD_AR8: - NDBGL1(L1_I_CICO, "tx AR8 in state %s", ifpi_printstate(sc)); - cmd |= (ISAC_CIXR_CAR8 << 2); - break; - - case CMD_AR10: - NDBGL1(L1_I_CICO, "tx AR10 in state %s", ifpi_printstate(sc)); - cmd |= (ISAC_CIXR_CAR10 << 2); - break; - - case CMD_DIU: - NDBGL1(L1_I_CICO, "tx DIU in state %s", ifpi_printstate(sc)); - cmd |= (ISAC_CIXR_CDIU << 2); - break; - } - ISAC_WRITE(I_CIXR, cmd); -} - -/*---------------------------------------------------------------------------* - * L1 ISAC initialization - *---------------------------------------------------------------------------*/ -int -ifpi_isac_init(struct l1_softc *sc) -{ - ISAC_IMASK = 0xff; /* disable all irqs */ - - ISAC_WRITE(I_MASK, ISAC_IMASK); - - if(sc->sc_bustyp != BUS_TYPE_IOM2) - { - NDBGL1(L1_I_SETUP, "configuring for IOM-1 mode"); - - /* ADF2: Select mode IOM-1 */ - ISAC_WRITE(I_ADF2, 0x00); - - /* SPCR: serial port control register: - * SPU - software power up = 0 - * SAC - SIP port high Z - * SPM - timing mode 0 - * TLP - test loop = 0 - * C1C, C2C - B1 and B2 switched to/from SPa - */ - ISAC_WRITE(I_SPCR, ISAC_SPCR_C1C1|ISAC_SPCR_C2C1); - - /* SQXR: S/Q channel xmit register: - * SQIE - S/Q IRQ enable = 0 - * SQX1-4 - Fa bits = 1 - */ - ISAC_WRITE(I_SQXR, ISAC_SQXR_SQX1|ISAC_SQXR_SQX2|ISAC_SQXR_SQX3|ISAC_SQXR_SQX4); - - /* ADF1: additional feature reg 1: - * WTC - watchdog = 0 - * TEM - test mode = 0 - * PFS - pre-filter = 0 - * CFS - IOM clock/frame always active - * FSC1/2 - polarity of 8kHz strobe - * ITF - interframe fill = idle - */ - ISAC_WRITE(I_ADF1, ISAC_ADF1_FC2); /* ADF1 */ - - /* STCR: sync transfer control reg: - * TSF - terminal secific functions = 0 - * TBA - TIC bus address = 7 - * STx/SCx = 0 - */ - ISAC_WRITE(I_STCR, ISAC_STCR_TBA2|ISAC_STCR_TBA1|ISAC_STCR_TBA0); - - /* MODE: Mode Register: - * MDSx - transparent mode 2 - * TMD - timer mode = external - * RAC - Receiver enabled - * DIMx - digital i/f mode - */ - ISAC_WRITE(I_MODE, ISAC_MODE_MDS2|ISAC_MODE_MDS1|ISAC_MODE_RAC|ISAC_MODE_DIM0); - } - else - { - NDBGL1(L1_I_SETUP, "configuring for IOM-2 mode"); - - /* ADF2: Select mode IOM-2 */ - ISAC_WRITE(I_ADF2, ISAC_ADF2_IMS); - - /* SPCR: serial port control register: - * SPU - software power up = 0 - * SPM - timing mode 0 - * TLP - test loop = 0 - * C1C, C2C - B1 + C1 and B2 + IC2 monitoring - */ - ISAC_WRITE(I_SPCR, 0x00); - - /* SQXR: S/Q channel xmit register: - * IDC - IOM direction = 0 (master) - * CFS - Config Select = 0 (clock always active) - * CI1E - C/I channel 1 IRQ enable = 0 - * SQIE - S/Q IRQ enable = 0 - * SQX1-4 - Fa bits = 1 - */ - ISAC_WRITE(I_SQXR, ISAC_SQXR_SQX1|ISAC_SQXR_SQX2|ISAC_SQXR_SQX3|ISAC_SQXR_SQX4); - - /* ADF1: additional feature reg 1: - * WTC - watchdog = 0 - * TEM - test mode = 0 - * PFS - pre-filter = 0 - * IOF - IOM i/f off = 0 - * ITF - interframe fill = idle - */ - ISAC_WRITE(I_ADF1, 0x00); - - /* STCR: sync transfer control reg: - * TSF - terminal secific functions = 0 - * TBA - TIC bus address = 7 - * STx/SCx = 0 - */ - ISAC_WRITE(I_STCR, ISAC_STCR_TBA2|ISAC_STCR_TBA1|ISAC_STCR_TBA0); - - /* MODE: Mode Register: - * MDSx - transparent mode 2 - * TMD - timer mode = external - * RAC - Receiver enabled - * DIMx - digital i/f mode - */ - ISAC_WRITE(I_MODE, ISAC_MODE_MDS2|ISAC_MODE_MDS1|ISAC_MODE_RAC|ISAC_MODE_DIM0); - } - -#ifdef NOTDEF - /* - * XXX a transmitter reset causes an ISAC tx IRQ which will not - * be serviced at attach time under some circumstances leaving - * the associated IRQ line on the ISA bus active. This prevents - * any further interrupts to be serviced because no low -> high - * transition can take place anymore. (-hm) - */ - - /* command register: - * RRES - HDLC receiver reset - * XRES - transmitter reset - */ - ISAC_WRITE(I_CMDR, ISAC_CMDR_RRES|ISAC_CMDR_XRES); - ISACCMDRWRDELAY(); -#endif - - /* enabled interrupts: - * =================== - * RME - receive message end - * RPF - receive pool full - * XPR - transmit pool ready - * CISQ - CI or S/Q channel change - * EXI - extended interrupt - */ - - ISAC_IMASK = ISAC_MASK_RSC | /* auto mode only */ - ISAC_MASK_TIN | /* timer irq */ - ISAC_MASK_SIN; /* sync xfer irq */ - - ISAC_WRITE(I_MASK, ISAC_IMASK); - - return(0); -} - -#endif /* NIFPI > 0 */ diff --git a/sys/i4b/layer1/ifpi/i4b_ifpi_l1.c b/sys/i4b/layer1/ifpi/i4b_ifpi_l1.c deleted file mode 100644 index 3d417a35fb95b..0000000000000 --- a/sys/i4b/layer1/ifpi/i4b_ifpi_l1.c +++ /dev/null @@ -1,244 +0,0 @@ -/* - * Copyright (c) 1997, 2000 Hellmuth Michaelis. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - *--------------------------------------------------------------------------- - * - * i4b_ifpi_l1.c - AVM Fritz PCI layer 1 handler - * --------------------------------------------- - * - * $Id: i4b_ifpi_l1.c,v 1.4 2000/06/02 16:14:36 hm Exp $ - * - * $FreeBSD$ - * - * last edit-date: [Fri Jun 2 14:54:30 2000] - * - *---------------------------------------------------------------------------*/ - -#include "ifpi.h" -#include "pci.h" - -#if (NIFPI > 0) && (NPCI > 0) - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/mbuf.h> -#include <sys/socket.h> - - -#include <net/if.h> - -#include <machine/i4b_debug.h> -#include <machine/i4b_ioctl.h> -#include <machine/i4b_trace.h> - -#include <i4b/layer1/isic/i4b_isic.h> -#include <i4b/layer1/isic/i4b_isac.h> - -#include <i4b/layer1/ifpi/i4b_ifpi_ext.h> - -#include <i4b/layer1/i4b_l1.h> - -#include <i4b/include/i4b_mbuf.h> -#include <i4b/include/i4b_global.h> - -/*---------------------------------------------------------------------------* - * - * L2 -> L1: PH-DATA-REQUEST - * ========================= - * - * parms: - * unit physical interface unit number - * m mbuf containing L2 frame to be sent out - * freeflag MBUF_FREE: free mbuf here after having sent - * it out - * MBUF_DONTFREE: mbuf is freed by Layer 2 - * returns: - * ==0 fail, nothing sent out - * !=0 ok, frame sent out - * - *---------------------------------------------------------------------------*/ -int -ifpi_ph_data_req(int unit, struct mbuf *m, int freeflag) -{ - u_char cmd; - int s; - struct l1_softc *sc = ifpi_scp[unit]; - -#ifdef NOTDEF - NDBGL1(L1_PRIM, "PH-DATA-REQ, unit %d, freeflag=%d", unit, freeflag); -#endif - - if(m == NULL) /* failsafe */ - return (0); - - s = SPLI4B(); - - if(sc->sc_I430state == ST_F3) /* layer 1 not running ? */ - { - NDBGL1(L1_I_ERR, "still in state F3!"); - ifpi_ph_activate_req(unit); - } - - if(sc->sc_state & ISAC_TX_ACTIVE) - { - if(sc->sc_obuf2 == NULL) - { - sc->sc_obuf2 = m; /* save mbuf ptr */ - - if(freeflag) - sc->sc_freeflag2 = 1; /* IRQ must mfree */ - else - sc->sc_freeflag2 = 0; /* IRQ must not mfree */ - - NDBGL1(L1_I_MSG, "using 2nd ISAC TX buffer, state = %s", ifpi_printstate(sc)); - - if(sc->sc_trace & TRACE_D_TX) - { - i4b_trace_hdr_t hdr; - hdr.unit = L0IFPIUNIT(unit); - hdr.type = TRC_CH_D; - hdr.dir = FROM_TE; - hdr.count = ++sc->sc_trace_dcount; - MICROTIME(hdr.time); - i4b_l1_trace_ind(&hdr, m->m_len, m->m_data); - } - splx(s); - return(1); - } - - NDBGL1(L1_I_ERR, "No Space in TX FIFO, state = %s", ifpi_printstate(sc)); - - if(freeflag == MBUF_FREE) - i4b_Dfreembuf(m); - - splx(s); - return (0); - } - - if(sc->sc_trace & TRACE_D_TX) - { - i4b_trace_hdr_t hdr; - hdr.unit = L0IFPIUNIT(unit); - hdr.type = TRC_CH_D; - hdr.dir = FROM_TE; - hdr.count = ++sc->sc_trace_dcount; - MICROTIME(hdr.time); - i4b_l1_trace_ind(&hdr, m->m_len, m->m_data); - } - - sc->sc_state |= ISAC_TX_ACTIVE; /* set transmitter busy flag */ - - NDBGL1(L1_I_MSG, "ISAC_TX_ACTIVE set"); - - sc->sc_freeflag = 0; /* IRQ must NOT mfree */ - - ISAC_WRFIFO(m->m_data, min(m->m_len, ISAC_FIFO_LEN)); /* output to TX fifo */ - - if(m->m_len > ISAC_FIFO_LEN) /* message > 32 bytes ? */ - { - sc->sc_obuf = m; /* save mbuf ptr */ - sc->sc_op = m->m_data + ISAC_FIFO_LEN; /* ptr for irq hdl */ - sc->sc_ol = m->m_len - ISAC_FIFO_LEN; /* length for irq hdl */ - - if(freeflag) - sc->sc_freeflag = 1; /* IRQ must mfree */ - - cmd = ISAC_CMDR_XTF; - } - else - { - sc->sc_obuf = NULL; - sc->sc_op = NULL; - sc->sc_ol = 0; - - if(freeflag) - i4b_Dfreembuf(m); - - cmd = ISAC_CMDR_XTF | ISAC_CMDR_XME; - } - - ISAC_WRITE(I_CMDR, cmd); - ISACCMDRWRDELAY(); - - splx(s); - - return(1); -} - -/*---------------------------------------------------------------------------* - * - * L2 -> L1: PH-ACTIVATE-REQUEST - * ============================= - * - * parms: - * unit physical interface unit number - * - * returns: - * ==0 - * !=0 - * - *---------------------------------------------------------------------------*/ -int -ifpi_ph_activate_req(int unit) -{ - struct l1_softc *sc = ifpi_scp[unit]; - NDBGL1(L1_PRIM, "PH-ACTIVATE-REQ, unit %d", unit); - ifpi_next_state(sc, EV_PHAR); - return(0); -} - -/*---------------------------------------------------------------------------* - * command from the upper layers - *---------------------------------------------------------------------------*/ -int -ifpi_mph_command_req(int unit, int command, void *parm) -{ - struct l1_softc *sc = ifpi_scp[unit]; - - switch(command) - { - case CMR_DOPEN: /* daemon running */ - NDBGL1(L1_PRIM, "unit %d, command = CMR_DOPEN", unit); - sc->sc_enabled = 1; - break; - - case CMR_DCLOSE: /* daemon not running */ - NDBGL1(L1_PRIM, "unit %d, command = CMR_DCLOSE", unit); - sc->sc_enabled = 0; - break; - - case CMR_SETTRACE: - NDBGL1(L1_PRIM, "unit %d, command = CMR_SETTRACE, parm = %d", unit, (unsigned int)parm); - sc->sc_trace = (unsigned int)parm; - break; - - default: - NDBGL1(L1_ERROR, "ERROR, unknown command = %d, unit = %d, parm = %d", command, unit, (unsigned int)parm); - break; - } - - return(0); -} - -#endif /* NIFPI > 0 */ diff --git a/sys/i4b/layer1/ifpi/i4b_ifpi_l1fsm.c b/sys/i4b/layer1/ifpi/i4b_ifpi_l1fsm.c deleted file mode 100644 index 274ab98969061..0000000000000 --- a/sys/i4b/layer1/ifpi/i4b_ifpi_l1fsm.c +++ /dev/null @@ -1,517 +0,0 @@ -/* - * Copyright (c) 1997, 2000 Hellmuth Michaelis. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - *--------------------------------------------------------------------------- - * - * i4b_ifpi_l1fsm.c - AVM Fritz PCI layer 1 I.430 state machine - * ------------------------------------------------------------ - * - * $Id: i4b_ifpi_l1fsm.c,v 1.4 2000/05/29 15:41:41 hm Exp $ - * - * $FreeBSD$ - * - * last edit-date: [Mon May 29 15:23:15 2000] - * - *---------------------------------------------------------------------------*/ - -#include "ifpi.h" -#include "pci.h" - -#if (NIFPI > 0) && (NPCI > 0) - -#include <sys/param.h> -#include <sys/kernel.h> -#include <sys/systm.h> -#include <sys/socket.h> - - -#include <net/if.h> - -#include <machine/i4b_debug.h> -#include <machine/i4b_ioctl.h> -#include <machine/i4b_trace.h> - -#include <i4b/layer1/isic/i4b_isic.h> - -#include <i4b/layer1/i4b_l1.h> - -#include <i4b/include/i4b_global.h> - -#include <i4b/include/i4b_mbuf.h> - -#include <i4b/layer1/ifpi/i4b_ifpi_ext.h> - -#if DO_I4B_DEBUG -static char *state_text[N_STATES] = { - "F3 Deactivated", - "F4 Awaiting Signal", - "F5 Identifying Input", - "F6 Synchronized", - "F7 Activated", - "F8 Lost Framing", - "Illegal State" -}; - -static char *event_text[N_EVENTS] = { - "EV_PHAR PH_ACT_REQ", - "EV_T3 Timer 3 expired", - "EV_INFO0 INFO0 received", - "EV_RSY Level Detected", - "EV_INFO2 INFO2 received", - "EV_INFO48 INFO4 received", - "EV_INFO410 INFO4 received", - "EV_DR Deactivate Req", - "EV_PU Power UP", - "EV_DIS Disconnected", - "EV_EI Error Ind", - "Illegal Event" -}; -#endif - -/* Function prototypes */ - -static void timer3_expired (struct l1_softc *sc); -static void T3_start (struct l1_softc *sc); -static void T3_stop (struct l1_softc *sc); -static void F_T3ex (struct l1_softc *sc); -static void timer4_expired (struct l1_softc *sc); -static void T4_start (struct l1_softc *sc); -static void T4_stop (struct l1_softc *sc); -static void F_AI8 (struct l1_softc *sc); -static void F_AI10 (struct l1_softc *sc); -static void F_I01 (struct l1_softc *sc); -static void F_I02 (struct l1_softc *sc); -static void F_I03 (struct l1_softc *sc); -static void F_I2 (struct l1_softc *sc); -static void F_ill (struct l1_softc *sc); -static void F_NULL (struct l1_softc *sc); - -/*---------------------------------------------------------------------------* - * I.430 Timer T3 expire function - *---------------------------------------------------------------------------*/ -static void -timer3_expired(struct l1_softc *sc) -{ - if(sc->sc_I430T3) - { - NDBGL1(L1_T_ERR, "state = %s", ifpi_printstate(sc)); - sc->sc_I430T3 = 0; - - /* XXX try some recovery here XXX */ - - ifpi_recover(sc); - - sc->sc_init_tries++; /* increment retry count */ - -/*XXX*/ if(sc->sc_init_tries > 4) - { - int s = SPLI4B(); - - sc->sc_init_tries = 0; - - if(sc->sc_obuf2 != NULL) - { - i4b_Dfreembuf(sc->sc_obuf2); - sc->sc_obuf2 = NULL; - } - if(sc->sc_obuf != NULL) - { - i4b_Dfreembuf(sc->sc_obuf); - sc->sc_obuf = NULL; - sc->sc_freeflag = 0; - sc->sc_op = NULL; - sc->sc_ol = 0; - } - - splx(s); - - i4b_l1_mph_status_ind(L0IFPIUNIT(sc->sc_unit), STI_NOL1ACC, 0, NULL); - } - - ifpi_next_state(sc, EV_T3); - } - else - { - NDBGL1(L1_T_ERR, "expired without starting it ...."); - } -} - -/*---------------------------------------------------------------------------* - * I.430 Timer T3 start - *---------------------------------------------------------------------------*/ -static void -T3_start(struct l1_softc *sc) -{ - NDBGL1(L1_T_MSG, "state = %s", ifpi_printstate(sc)); - sc->sc_I430T3 = 1; - sc->sc_T3_callout = timeout((TIMEOUT_FUNC_T)timer3_expired,(struct l1_softc *)sc, 2*hz); -} - -/*---------------------------------------------------------------------------* - * I.430 Timer T3 stop - *---------------------------------------------------------------------------*/ -static void -T3_stop(struct l1_softc *sc) -{ - NDBGL1(L1_T_MSG, "state = %s", ifpi_printstate(sc)); - - sc->sc_init_tries = 0; /* init connect retry count */ - - if(sc->sc_I430T3) - { - sc->sc_I430T3 = 0; - untimeout((TIMEOUT_FUNC_T)timer3_expired,(struct l1_softc *)sc, sc->sc_T3_callout); - } -} - -/*---------------------------------------------------------------------------* - * I.430 Timer T3 expiry - *---------------------------------------------------------------------------*/ -static void -F_T3ex(struct l1_softc *sc) -{ - NDBGL1(L1_F_MSG, "FSM function F_T3ex executing"); - if(ctrl_desc[sc->sc_unit].protocol != PROTOCOL_D64S) - i4b_l1_ph_deactivate_ind(L0IFPIUNIT(sc->sc_unit)); -} - -/*---------------------------------------------------------------------------* - * Timer T4 expire function - *---------------------------------------------------------------------------*/ -static void -timer4_expired(struct l1_softc *sc) -{ - if(sc->sc_I430T4) - { - NDBGL1(L1_T_MSG, "state = %s", ifpi_printstate(sc)); - sc->sc_I430T4 = 0; - i4b_l1_mph_status_ind(L0IFPIUNIT(sc->sc_unit), STI_PDEACT, 0, NULL); - } - else - { - NDBGL1(L1_T_ERR, "expired without starting it ...."); - } -} - -/*---------------------------------------------------------------------------* - * Timer T4 start - *---------------------------------------------------------------------------*/ -static void -T4_start(struct l1_softc *sc) -{ - NDBGL1(L1_T_MSG, "state = %s", ifpi_printstate(sc)); - sc->sc_I430T4 = 1; - sc->sc_T4_callout = timeout((TIMEOUT_FUNC_T)timer4_expired,(struct l1_softc *)sc, hz); -} - -/*---------------------------------------------------------------------------* - * Timer T4 stop - *---------------------------------------------------------------------------*/ -static void -T4_stop(struct l1_softc *sc) -{ - NDBGL1(L1_T_MSG, "state = %s", ifpi_printstate(sc)); - - if(sc->sc_I430T4) - { - sc->sc_I430T4 = 0; - untimeout((TIMEOUT_FUNC_T)timer4_expired,(struct l1_softc *)sc, sc->sc_T4_callout); - } -} - -/*---------------------------------------------------------------------------* - * FSM function: received AI8 - *---------------------------------------------------------------------------*/ -static void -F_AI8(struct l1_softc *sc) -{ - T4_stop(sc); - - NDBGL1(L1_F_MSG, "FSM function F_AI8 executing"); - - if(ctrl_desc[sc->sc_unit].protocol != PROTOCOL_D64S) - i4b_l1_ph_activate_ind(L0IFPIUNIT(sc->sc_unit)); - - T3_stop(sc); - - if(sc->sc_trace & TRACE_I) - { - i4b_trace_hdr_t hdr; - char info = INFO4_8; - - hdr.unit = L0IFPIUNIT(sc->sc_unit); - hdr.type = TRC_CH_I; - hdr.dir = FROM_NT; - hdr.count = 0; - MICROTIME(hdr.time); - i4b_l1_trace_ind(&hdr, 1, &info); - } -} - -/*---------------------------------------------------------------------------* - * FSM function: received AI10 - *---------------------------------------------------------------------------*/ -static void -F_AI10(struct l1_softc *sc) -{ - T4_stop(sc); - - NDBGL1(L1_F_MSG, "FSM function F_AI10 executing"); - - if(ctrl_desc[sc->sc_unit].protocol != PROTOCOL_D64S) - i4b_l1_ph_activate_ind(L0IFPIUNIT(sc->sc_unit)); - - T3_stop(sc); - - if(sc->sc_trace & TRACE_I) - { - i4b_trace_hdr_t hdr; - char info = INFO4_10; - - hdr.unit = L0IFPIUNIT(sc->sc_unit); - hdr.type = TRC_CH_I; - hdr.dir = FROM_NT; - hdr.count = 0; - MICROTIME(hdr.time); - i4b_l1_trace_ind(&hdr, 1, &info); - } -} - -/*---------------------------------------------------------------------------* - * FSM function: received INFO 0 in states F3 .. F5 - *---------------------------------------------------------------------------*/ -static void -F_I01(struct l1_softc *sc) -{ - NDBGL1(L1_F_MSG, "FSM function F_I01 executing"); - - if(sc->sc_trace & TRACE_I) - { - i4b_trace_hdr_t hdr; - char info = INFO0; - - hdr.unit = L0IFPIUNIT(sc->sc_unit); - hdr.type = TRC_CH_I; - hdr.dir = FROM_NT; - hdr.count = 0; - MICROTIME(hdr.time); - i4b_l1_trace_ind(&hdr, 1, &info); - } -} - -/*---------------------------------------------------------------------------* - * FSM function: received INFO 0 in state F6 - *---------------------------------------------------------------------------*/ -static void -F_I02(struct l1_softc *sc) -{ - NDBGL1(L1_F_MSG, "FSM function F_I02 executing"); - - if(ctrl_desc[sc->sc_unit].protocol != PROTOCOL_D64S) - i4b_l1_ph_deactivate_ind(L0IFPIUNIT(sc->sc_unit)); - - if(sc->sc_trace & TRACE_I) - { - i4b_trace_hdr_t hdr; - char info = INFO0; - - hdr.unit = L0IFPIUNIT(sc->sc_unit); - hdr.type = TRC_CH_I; - hdr.dir = FROM_NT; - hdr.count = 0; - MICROTIME(hdr.time); - i4b_l1_trace_ind(&hdr, 1, &info); - } -} - -/*---------------------------------------------------------------------------* - * FSM function: received INFO 0 in state F7 or F8 - *---------------------------------------------------------------------------*/ -static void -F_I03(struct l1_softc *sc) -{ - NDBGL1(L1_F_MSG, "FSM function F_I03 executing"); - - if(ctrl_desc[sc->sc_unit].protocol != PROTOCOL_D64S) - i4b_l1_ph_deactivate_ind(L0IFPIUNIT(sc->sc_unit)); - - T4_start(sc); - - if(sc->sc_trace & TRACE_I) - { - i4b_trace_hdr_t hdr; - char info = INFO0; - - hdr.unit = L0IFPIUNIT(sc->sc_unit); - hdr.type = TRC_CH_I; - hdr.dir = FROM_NT; - hdr.count = 0; - MICROTIME(hdr.time); - i4b_l1_trace_ind(&hdr, 1, &info); - } -} - -/*---------------------------------------------------------------------------* - * FSM function: activate request - *---------------------------------------------------------------------------*/ -static void -F_AR(struct l1_softc *sc) -{ - NDBGL1(L1_F_MSG, "FSM function F_AR executing"); - - if(sc->sc_trace & TRACE_I) - { - i4b_trace_hdr_t hdr; - char info = INFO1_8; - - hdr.unit = L0IFPIUNIT(sc->sc_unit); - hdr.type = TRC_CH_I; - hdr.dir = FROM_TE; - hdr.count = 0; - MICROTIME(hdr.time); - i4b_l1_trace_ind(&hdr, 1, &info); - } - - ifpi_isac_l1_cmd(sc, CMD_AR8); - - T3_start(sc); -} - -/*---------------------------------------------------------------------------* - * FSM function: received INFO2 - *---------------------------------------------------------------------------*/ -static void -F_I2(struct l1_softc *sc) -{ - NDBGL1(L1_F_MSG, "FSM function F_I2 executing"); - - if(sc->sc_trace & TRACE_I) - { - i4b_trace_hdr_t hdr; - char info = INFO2; - - hdr.unit = L0IFPIUNIT(sc->sc_unit); - hdr.type = TRC_CH_I; - hdr.dir = FROM_NT; - hdr.count = 0; - MICROTIME(hdr.time); - i4b_l1_trace_ind(&hdr, 1, &info); - } - -} - -/*---------------------------------------------------------------------------* - * illegal state default action - *---------------------------------------------------------------------------*/ -static void -F_ill(struct l1_softc *sc) -{ - NDBGL1(L1_F_ERR, "FSM function F_ill executing"); -} - -/*---------------------------------------------------------------------------* - * No action - *---------------------------------------------------------------------------*/ -static void -F_NULL(struct l1_softc *sc) -{ - NDBGL1(L1_F_MSG, "FSM function F_NULL executing"); -} - - -/*---------------------------------------------------------------------------* - * layer 1 state transition table - *---------------------------------------------------------------------------*/ -struct ifpi_state_tab { - void (*func) (struct l1_softc *sc); /* function to execute */ - int newstate; /* next state */ -} ifpi_state_tab[N_EVENTS][N_STATES] = { - -/* STATE: F3 F4 F5 F6 F7 F8 ILLEGAL STATE */ -/* -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/ -/* EV_PHAR x*/ {{F_AR, ST_F4}, {F_NULL, ST_F4}, {F_NULL, ST_F5}, {F_NULL, ST_F6}, {F_ill, ST_ILL}, {F_NULL, ST_F8}, {F_ill, ST_ILL}}, -/* EV_T3 x*/ {{F_NULL, ST_F3}, {F_T3ex, ST_F3}, {F_T3ex, ST_F3}, {F_T3ex, ST_F3}, {F_NULL, ST_F7}, {F_NULL, ST_F8}, {F_ill, ST_ILL}}, -/* EV_INFO0 */ {{F_I01, ST_F3}, {F_I01, ST_F4}, {F_I01, ST_F5}, {F_I02, ST_F3}, {F_I03, ST_F3}, {F_I03, ST_F3}, {F_ill, ST_ILL}}, -/* EV_RSY x*/ {{F_NULL, ST_F3}, {F_NULL, ST_F5}, {F_NULL, ST_F5}, {F_NULL, ST_F8}, {F_NULL, ST_F8}, {F_NULL, ST_F8}, {F_ill, ST_ILL}}, -/* EV_INFO2 */ {{F_I2, ST_F6}, {F_I2, ST_F6}, {F_I2, ST_F6}, {F_I2, ST_F6}, {F_I2, ST_F6}, {F_I2, ST_F6}, {F_ill, ST_ILL}}, -/* EV_INFO48*/ {{F_AI8, ST_F7}, {F_AI8, ST_F7}, {F_AI8, ST_F7}, {F_AI8, ST_F7}, {F_NULL, ST_F7}, {F_AI8, ST_F7}, {F_ill, ST_ILL}}, -/* EV_INFO41*/ {{F_AI10, ST_F7}, {F_AI10, ST_F7}, {F_AI10, ST_F7}, {F_AI10, ST_F7}, {F_NULL, ST_F7}, {F_AI10, ST_F7}, {F_ill, ST_ILL}}, -/* EV_DR */ {{F_NULL, ST_F3}, {F_NULL, ST_F4}, {F_NULL, ST_F5}, {F_NULL, ST_F6}, {F_NULL, ST_F7}, {F_NULL, ST_F8}, {F_ill, ST_ILL}}, -/* EV_PU */ {{F_NULL, ST_F3}, {F_NULL, ST_F4}, {F_NULL, ST_F5}, {F_NULL, ST_F6}, {F_NULL, ST_F7}, {F_NULL, ST_F8}, {F_ill, ST_ILL}}, -/* EV_DIS */ {{F_ill, ST_ILL}, {F_ill, ST_ILL}, {F_ill, ST_ILL}, {F_ill, ST_ILL}, {F_ill, ST_ILL}, {F_ill, ST_ILL}, {F_ill, ST_ILL}}, -/* EV_EI */ {{F_NULL, ST_F3}, {F_NULL, ST_F3}, {F_NULL, ST_F3}, {F_NULL, ST_F3}, {F_NULL, ST_F3}, {F_NULL, ST_F3}, {F_ill, ST_ILL}}, -/* EV_ILL */ {{F_ill, ST_ILL}, {F_ill, ST_ILL}, {F_ill, ST_ILL}, {F_ill, ST_ILL}, {F_ill, ST_ILL}, {F_ill, ST_ILL}, {F_ill, ST_ILL}} -}; - -/*---------------------------------------------------------------------------* - * event handler - *---------------------------------------------------------------------------*/ -void -ifpi_next_state(struct l1_softc *sc, int event) -{ - int currstate, newstate; - - if(event >= N_EVENTS) - panic("i4b_l1fsm.c: event >= N_EVENTS\n"); - - currstate = sc->sc_I430state; - - if(currstate >= N_STATES) - panic("i4b_l1fsm.c: currstate >= N_STATES\n"); - - newstate = ifpi_state_tab[event][currstate].newstate; - - if(newstate >= N_STATES) - panic("i4b_l1fsm.c: newstate >= N_STATES\n"); - - NDBGL1(L1_F_MSG, "FSM event [%s]: [%s => %s]", event_text[event], - state_text[currstate], - state_text[newstate]); - - (*ifpi_state_tab[event][currstate].func)(sc); - - if(newstate == ST_ILL) - { - newstate = ST_F3; - NDBGL1(L1_F_ERR, "FSM Illegal State ERROR, oldstate = %s, newstate = %s, event = %s!", - state_text[currstate], - state_text[newstate], - event_text[event]); - } - - sc->sc_I430state = newstate; -} - -#if DO_I4B_DEBUG -/*---------------------------------------------------------------------------* - * return pointer to current state description - *---------------------------------------------------------------------------*/ -char * -ifpi_printstate(struct l1_softc *sc) -{ - return((char *) state_text[sc->sc_I430state]); -} -#endif - -#endif /* NIFPI > 0 */ |