2 * Copyright (c) 1999, 2000 Dave Boyce. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 *---------------------------------------------------------------------------
27 * i4b_iwic - isdn4bsd Winbond W6692 driver
28 * ----------------------------------------
30 * $FreeBSD: src/sys/i4b/layer1/iwic/i4b_iwic_fsm.c,v 1.4.2.1 2001/08/10 14:08:40 obrien Exp $
31 * $DragonFly: src/sys/net/i4b/layer1/iwic/i4b_iwic_fsm.c,v 1.2 2003/06/17 04:28:40 dillon Exp $
33 * last edit-date: [Sun Jan 21 11:09:24 2001]
35 *---------------------------------------------------------------------------*/
41 #if (NIWIC > 0) && (NPCI > 0)
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/socket.h>
49 #include <machine/i4b_debug.h>
50 #include <machine/i4b_ioctl.h>
51 #include <machine/i4b_trace.h>
53 #include <i4b/layer1/i4b_l1.h>
55 #include <i4b/include/i4b_l3l4.h>
57 #include <i4b/layer1/iwic/i4b_iwic.h>
58 #include <i4b/layer1/iwic/i4b_w6692.h>
61 static char *state_names[] = {
72 static char *event_names[] = {
89 /*---------------------------------------------------------------------------*
91 *---------------------------------------------------------------------------*/
93 F_NULL(struct iwic_softc *sc)
95 NDBGL1(L1_F_MSG, "FSM function F_NULL executing");
98 /*---------------------------------------------------------------------------*
100 *---------------------------------------------------------------------------*/
102 F_AR(struct iwic_softc *sc)
104 NDBGL1(L1_F_MSG, "FSM function F_AR executing");
105 IWIC_WRITE(sc, CIX, CIX_ECK);
108 /*---------------------------------------------------------------------------*
110 *---------------------------------------------------------------------------*/
112 F_AR3(struct iwic_softc *sc)
114 NDBGL1(L1_F_MSG, "FSM function F_AR3 executing");
115 IWIC_WRITE(sc, CIX, CIX_AR8);
118 /*---------------------------------------------------------------------------*
120 *---------------------------------------------------------------------------*/
122 F_I0I(struct iwic_softc *sc)
124 NDBGL1(L1_F_MSG, "FSM function F_IOI executing");
127 /*---------------------------------------------------------------------------*
129 *---------------------------------------------------------------------------*/
131 F_I0A(struct iwic_softc *sc)
133 NDBGL1(L1_F_MSG, "FSM function F_IOA executing");
134 iwic_dchan_disable(sc);
135 i4b_l1_ph_deactivate_ind(L0IWICUNIT(sc->sc_unit));
138 /*---------------------------------------------------------------------------*
140 *---------------------------------------------------------------------------*/
142 F_AI8(struct iwic_softc *sc)
144 NDBGL1(L1_F_MSG, "FSM function F_AI8 executing");
145 iwic_dchan_transmit(sc);
146 i4b_l1_ph_activate_ind(L0IWICUNIT(sc->sc_unit));
149 /*---------------------------------------------------------------------------*
151 *---------------------------------------------------------------------------*/
153 F_AI10(struct iwic_softc *sc)
155 NDBGL1(L1_F_MSG, "FSM function F_AI10 executing");
156 iwic_dchan_transmit(sc);
157 i4b_l1_ph_activate_ind(L0IWICUNIT(sc->sc_unit));
160 /*---------------------------------------------------------------------------*
162 *---------------------------------------------------------------------------*/
163 struct iwic_state_tab {
164 void (*func) (struct iwic_softc *sc); /* function to execute */
165 int newstate; /* next state */
166 } iwic_state_tab[N_EVENTS][N_STATES] = {
168 /* STATE: F3N F3 F4 F5 F6 F7 F8 ILLEGAL STATE */
169 /* ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ */
170 /* 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 }},
171 /* 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 }},
172 /* 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 }},
173 /* 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 }},
174 /* 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 }},
175 /* 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 }},
176 /* 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 }},
177 /* 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 }},
178 /* 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 }},
179 /* 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 }},
180 /* 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 }},
181 /* 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 }},
182 /* 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 }},
185 /*---------------------------------------------------------------------------*
187 *---------------------------------------------------------------------------*/
189 iwic_next_state(struct iwic_softc *sc, int event)
191 int currstate, newstate;
193 NDBGL1(L1_F_MSG, "event %s", event_names[event]);
195 if (event >= N_EVENTS)
197 printf("iwic_next_state: event >= N_EVENTS\n");
201 currstate = sc->sc_I430state;
203 newstate = iwic_state_tab[event][currstate].newstate;
204 if (newstate >= N_STATES)
206 printf("iwic_next_state: newstate >= N_STATES\n");
210 NDBGL1(L1_F_MSG, "state %s -> %s",
211 state_names[currstate], state_names[newstate]);
213 sc->sc_I430state = newstate;
215 (*iwic_state_tab[event][currstate].func) (sc);
219 /*---------------------------------------------------------------------------*
220 * return pointer to current state description
221 *---------------------------------------------------------------------------*/
223 iwic_printstate(struct iwic_softc *sc)
225 return((char *)state_names[sc->sc_I430state]);