1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
/*
* 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
* ----------------------------------------
* last edit-date: [Sun Jan 21 11:09:24 2001]
*
*---------------------------------------------------------------------------*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_i4b.h"
#include <sys/param.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/i4b_l1.h>
#include <i4b/include/i4b_l3l4.h>
#include <i4b/layer1/iwic/i4b_iwic.h>
#include <i4b/layer1/iwic/i4b_w6692.h>
#if DO_I4B_DEBUG
static char *state_names[] = {
"F3N",
"F3",
"F4",
"F5",
"F6",
"F7",
"F8",
"ILLEGAL",
};
static 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);
i4b_l1_ph_deactivate_ind(L0IWICUNIT(sc->sc_unit));
}
/*---------------------------------------------------------------------------*
*
*---------------------------------------------------------------------------*/
static void
F_AI8(struct iwic_softc *sc)
{
NDBGL1(L1_F_MSG, "FSM function F_AI8 executing");
iwic_dchan_transmit(sc);
i4b_l1_ph_activate_ind(L0IWICUNIT(sc->sc_unit));
}
/*---------------------------------------------------------------------------*
*
*---------------------------------------------------------------------------*/
static void
F_AI10(struct iwic_softc *sc)
{
NDBGL1(L1_F_MSG, "FSM function F_AI10 executing");
iwic_dchan_transmit(sc);
i4b_l1_ph_activate_ind(L0IWICUNIT(sc->sc_unit));
}
/*---------------------------------------------------------------------------*
*
*---------------------------------------------------------------------------*/
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
*---------------------------------------------------------------------------*/
char *
iwic_printstate(struct iwic_softc *sc)
{
return((char *)state_names[sc->sc_I430state]);
}
#endif
|
