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 1.4 2006/12/22 23:44:56 swildner 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>
48 #include <net/i4b/include/machine/i4b_debug.h>
49 #include <net/i4b/include/machine/i4b_ioctl.h>
50 #include <net/i4b/include/machine/i4b_trace.h>
52 #include "../i4b_l1.h"
54 #include "../../include/i4b_l3l4.h"
57 #include "i4b_w6692.h"
60 static char *state_names[] = {
71 static char *event_names[] = {
88 /*---------------------------------------------------------------------------*
90 *---------------------------------------------------------------------------*/
92 F_NULL(struct iwic_softc *sc)
94 NDBGL1(L1_F_MSG, "FSM function F_NULL executing");
97 /*---------------------------------------------------------------------------*
99 *---------------------------------------------------------------------------*/
101 F_AR(struct iwic_softc *sc)
103 NDBGL1(L1_F_MSG, "FSM function F_AR executing");
104 IWIC_WRITE(sc, CIX, CIX_ECK);
107 /*---------------------------------------------------------------------------*
109 *---------------------------------------------------------------------------*/
111 F_AR3(struct iwic_softc *sc)
113 NDBGL1(L1_F_MSG, "FSM function F_AR3 executing");
114 IWIC_WRITE(sc, CIX, CIX_AR8);
117 /*---------------------------------------------------------------------------*
119 *---------------------------------------------------------------------------*/
121 F_I0I(struct iwic_softc *sc)
123 NDBGL1(L1_F_MSG, "FSM function F_IOI executing");
126 /*---------------------------------------------------------------------------*
128 *---------------------------------------------------------------------------*/
130 F_I0A(struct iwic_softc *sc)
132 NDBGL1(L1_F_MSG, "FSM function F_IOA executing");
133 iwic_dchan_disable(sc);
134 i4b_l1_ph_deactivate_ind(L0IWICUNIT(sc->sc_unit));
137 /*---------------------------------------------------------------------------*
139 *---------------------------------------------------------------------------*/
141 F_AI8(struct iwic_softc *sc)
143 NDBGL1(L1_F_MSG, "FSM function F_AI8 executing");
144 iwic_dchan_transmit(sc);
145 i4b_l1_ph_activate_ind(L0IWICUNIT(sc->sc_unit));
148 /*---------------------------------------------------------------------------*
150 *---------------------------------------------------------------------------*/
152 F_AI10(struct iwic_softc *sc)
154 NDBGL1(L1_F_MSG, "FSM function F_AI10 executing");
155 iwic_dchan_transmit(sc);
156 i4b_l1_ph_activate_ind(L0IWICUNIT(sc->sc_unit));
159 /*---------------------------------------------------------------------------*
161 *---------------------------------------------------------------------------*/
162 struct iwic_state_tab {
163 void (*func) (struct iwic_softc *sc); /* function to execute */
164 int newstate; /* next state */
165 } iwic_state_tab[N_EVENTS][N_STATES] = {
167 /* STATE: F3N F3 F4 F5 F6 F7 F8 ILLEGAL STATE */
168 /* ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ */
169 /* 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 }},
170 /* 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 }},
171 /* 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 }},
172 /* 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 }},
173 /* 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 }},
174 /* 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 }},
175 /* 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 }},
176 /* 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 }},
177 /* 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 }},
178 /* 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 }},
179 /* 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 }},
180 /* 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 }},
181 /* 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 }},
184 /*---------------------------------------------------------------------------*
186 *---------------------------------------------------------------------------*/
188 iwic_next_state(struct iwic_softc *sc, int event)
190 int currstate, newstate;
192 NDBGL1(L1_F_MSG, "event %s", event_names[event]);
194 if (event >= N_EVENTS)
196 kprintf("iwic_next_state: event >= N_EVENTS\n");
200 currstate = sc->sc_I430state;
202 newstate = iwic_state_tab[event][currstate].newstate;
203 if (newstate >= N_STATES)
205 kprintf("iwic_next_state: newstate >= N_STATES\n");
209 NDBGL1(L1_F_MSG, "state %s -> %s",
210 state_names[currstate], state_names[newstate]);
212 sc->sc_I430state = newstate;
214 (*iwic_state_tab[event][currstate].func) (sc);
218 /*---------------------------------------------------------------------------*
219 * return pointer to current state description
220 *---------------------------------------------------------------------------*/
222 iwic_printstate(struct iwic_softc *sc)
224 return((char *)state_names[sc->sc_I430state]);