/* $NetBSD: iwic_fsm.c,v 1.3 2005/12/11 12:22:50 christos Exp $ */ /* * Copyright (c) 1999, 2000 Dave Boyce. 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_iwic - isdn4bsd Winbond W6692 driver * ---------------------------------------- * * $FreeBSD$ * * last edit-date: [Sun Jan 21 11:09:24 2001] * *---------------------------------------------------------------------------*/ #include __KERNEL_RCSID(0, "$NetBSD: iwic_fsm.c,v 1.3 2005/12/11 12:22:50 christos Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if DO_I4B_DEBUG static const char *state_names[] = { "F3N", "F3", "F4", "F5", "F6", "F7", "F8", "ILLEGAL", }; static const char *event_names[] = { "PHAR", "CE", "T3", "INFO0", "RSY", "INFO2", "INFO48", "INFO410", "DR", "PU", "DIS", "EI", "ILLEGAL" }; #endif /*---------------------------------------------------------------------------* * *---------------------------------------------------------------------------*/ static void F_NULL(struct iwic_softc *sc) { NDBGL1(L1_F_MSG, "FSM function F_NULL executing"); } /*---------------------------------------------------------------------------* * *---------------------------------------------------------------------------*/ static void F_AR(struct iwic_softc *sc) { NDBGL1(L1_F_MSG, "FSM function F_AR executing"); IWIC_WRITE(sc, CIX, CIX_ECK); } /*---------------------------------------------------------------------------* * *---------------------------------------------------------------------------*/ static void F_AR3(struct iwic_softc *sc) { NDBGL1(L1_F_MSG, "FSM function F_AR3 executing"); IWIC_WRITE(sc, CIX, CIX_AR8); } /*---------------------------------------------------------------------------* * *---------------------------------------------------------------------------*/ static void F_I0I(struct iwic_softc *sc) { NDBGL1(L1_F_MSG, "FSM function F_IOI executing"); } /*---------------------------------------------------------------------------* * *---------------------------------------------------------------------------*/ static void F_I0A(struct iwic_softc *sc) { NDBGL1(L1_F_MSG, "FSM function F_IOA executing"); iwic_dchan_disable(sc); isdn_layer2_activate_ind(&sc->sc_l2, sc->sc_l3token, 0); } /*---------------------------------------------------------------------------* * *---------------------------------------------------------------------------*/ static void F_AI8(struct iwic_softc *sc) { NDBGL1(L1_F_MSG, "FSM function F_AI8 executing"); iwic_dchan_transmit(sc); isdn_layer2_activate_ind(&sc->sc_l2, sc->sc_l3token, 1); } /*---------------------------------------------------------------------------* * *---------------------------------------------------------------------------*/ static void F_AI10(struct iwic_softc *sc) { NDBGL1(L1_F_MSG, "FSM function F_AI10 executing"); iwic_dchan_transmit(sc); isdn_layer2_activate_ind(&sc->sc_l2, sc->sc_l3token, 1); } /*---------------------------------------------------------------------------* * *---------------------------------------------------------------------------*/ struct iwic_state_tab { void (*func) (struct iwic_softc *sc); /* function to execute */ int newstate; /* next state */ } iwic_state_tab[N_EVENTS][N_STATES] = { /* STATE: F3N F3 F4 F5 F6 F7 F8 ILLEGAL STATE */ /* ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ */ /* EV_PHAR */ {{F_AR, ST_F3 }, {F_AR3, ST_F4 }, {F_NULL, ST_F4 }, {F_NULL, ST_F5 }, {F_NULL, ST_F6 }, {F_NULL, ST_F7 }, {F_NULL, ST_F8 }, {F_NULL, ST_ILL }}, /* EV_CE */ {{F_NULL, ST_F3 }, {F_AR3, ST_F4 }, {F_NULL, ST_F4 }, {F_NULL, ST_F4 }, {F_NULL, ST_F4 }, {F_NULL, ST_F4 }, {F_NULL, ST_F4 }, {F_NULL, ST_ILL }}, /* EV_T3 */ {{F_NULL, ST_F3N }, {F_NULL, ST_F3 }, {F_NULL, ST_F3 }, {F_NULL, ST_F3 }, {F_NULL, ST_F3 }, {F_NULL, ST_F7 }, {F_NULL, ST_F8 }, {F_NULL, ST_ILL }}, /* EV_INFO0 */ {{F_I0I, ST_F3 }, {F_I0I, ST_F3 }, {F_I0I, ST_F3 }, {F_I0I, ST_F3 }, {F_I0A, ST_F3 }, {F_I0A, ST_F3 }, {F_I0A, ST_F3 }, {F_NULL, ST_ILL }}, /* EV_RSY */ {{F_NULL, ST_F3 }, {F_NULL, ST_F5 }, {F_NULL, ST_F5 }, {F_NULL, ST_F5 }, {F_NULL, ST_F8 }, {F_NULL, ST_F8 }, {F_NULL, ST_F8 }, {F_NULL, ST_ILL }}, /* EV_INFO2 */ {{F_NULL, ST_F6 }, {F_NULL, ST_F6 }, {F_NULL, ST_F6 }, {F_NULL, ST_F6 }, {F_NULL, ST_F6 }, {F_NULL, ST_F6 }, {F_NULL, ST_F6 }, {F_NULL, ST_ILL }}, /* EV_INFO48 */ {{F_AI8 , ST_F7 }, {F_AI8, ST_F7 }, {F_AI8, ST_F7 }, {F_AI8, ST_F7 }, {F_AI8, ST_F7 }, {F_AI8, ST_F7 }, {F_AI8, ST_F7 }, {F_NULL, ST_ILL }}, /* EV_INFO410*/ {{F_AI10, ST_F7 }, {F_AI10, ST_F7 }, {F_AI10, ST_F7 }, {F_AI10, ST_F7 }, {F_AI10, ST_F7 }, {F_AI10, ST_F7 }, {F_AI10, ST_F7 }, {F_NULL, ST_ILL }}, /* EV_DR */ {{F_NULL, ST_F3 }, {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_NULL, ST_ILL }}, /* EV_PU */ {{F_NULL, ST_F3 }, {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_NULL, ST_ILL }}, /* EV_DIS */ {{F_NULL, ST_F3N }, {F_NULL, ST_F3N }, {F_NULL, ST_F3N }, {F_NULL, ST_F3N }, {F_NULL, ST_F3N }, {F_I0A, ST_F3N }, {F_I0A, ST_F3N }, {F_NULL, 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_NULL, ST_F3 }, {F_NULL, ST_ILL }}, /* EV_ILL */ {{F_NULL, ST_ILL }, {F_NULL, ST_ILL }, {F_NULL, ST_ILL }, {F_NULL, ST_ILL }, {F_NULL, ST_ILL }, {F_NULL, ST_ILL }, {F_NULL, ST_ILL }, {F_NULL, ST_ILL }}, }; /*---------------------------------------------------------------------------* * *---------------------------------------------------------------------------*/ void iwic_next_state(struct iwic_softc *sc, int event) { int currstate, newstate; NDBGL1(L1_F_MSG, "event %s", event_names[event]); if (event >= N_EVENTS) { printf("iwic_next_state: event >= N_EVENTS\n"); return; } currstate = sc->sc_I430state; newstate = iwic_state_tab[event][currstate].newstate; if (newstate >= N_STATES) { printf("iwic_next_state: newstate >= N_STATES\n"); return; } NDBGL1(L1_F_MSG, "state %s -> %s", state_names[currstate], state_names[newstate]); sc->sc_I430state = newstate; (*iwic_state_tab[event][currstate].func) (sc); } #if DO_I4B_DEBUG /*---------------------------------------------------------------------------* * return pointer to current state description *---------------------------------------------------------------------------*/ const char * iwic_printstate(struct iwic_softc *sc) { return state_names[sc->sc_I430state]; } #endif