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
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
|
/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86PnPMouse.c,v 1.3 1999/03/14 03:21:52 dawes Exp $ */
/*
* Copyright 1998 by Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Kazutaka YOKOTA not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Kazutaka YOKOTA makes no representations
* about the suitability of this software for any purpose. It is provided
* "as is" without express or implied warranty.
*
* KAZUTAKA YOKOTA DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KAZUTAKA YOKOTA BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#define NEED_EVENTS
#include "X.h"
#include "Xproto.h"
#include "inputstr.h"
#include "scrnintstr.h"
#include "xf86.h"
#include "xf86Priv.h"
#include "xf86_OSlib.h"
#ifdef ISC
#define TIOCMGET 0x5415
#define TIOCMBIS 0x5416
#define TIOCMSET 0x5418
#define TIOCM_DTR 0x002
#define TIOCM_RTS 0x004
#endif
/* serial PnP ID string */
typedef struct {
int revision; /* PnP revision, 100 for 1.00 */
char *eisaid; /* EISA ID including mfr ID and product ID */
char *serial; /* serial No, optional */
char *class; /* device class, optional */
char *compat; /* list of compatible drivers, optional */
char *description; /* product description, optional */
int neisaid; /* length of the above fields... */
int nserial;
int nclass;
int ncompat;
int ndescription;
} pnpid_t;
/* symbol table entry */
typedef struct {
char *name;
int val;
} symtab_t;
/* PnP EISA/product IDs */
static symtab_t pnpprod[] = {
{ "KML0001", PROT_THINKING }, /* Kensignton ThinkingMouse */
{ "MSH0001", PROT_IMSERIAL }, /* MS IntelliMouse */
{ "MSH0004", PROT_IMSERIAL }, /* MS IntelliMouse TrackBall */
{ "KYEEZ00", PROT_MS }, /* Genius EZScroll */
{ "KYE0001", PROT_MS }, /* Genius PnP Mouse */
{ "KYE0003", PROT_IMSERIAL }, /* Genius NetMouse */
{ "LGI800C", PROT_IMSERIAL }, /* Logitech MouseMan (4 button model) */
{ "LGI8050", PROT_IMSERIAL }, /* Logitech MouseMan+ */
{ "LGI8051", PROT_IMSERIAL }, /* Logitech FirstMouse+ */
{ "LGI8001", PROT_LOGIMAN }, /* Logitech serial */
{ "PNP0F00", PROT_BM }, /* MS bus */
{ "PNP0F01", PROT_MS }, /* MS serial */
{ "PNP0F02", PROT_BM }, /* MS InPort */
{ "PNP0F03", PROT_PS2 }, /* MS PS/2 */
/*
* EzScroll returns PNP0F04 in the compatible device field; but it
* doesn't look compatible... XXX
*/
{ "PNP0F04", PROT_MSC }, /* MouseSystems */
{ "PNP0F05", PROT_MSC }, /* MouseSystems */
#ifdef notyet
{ "PNP0F06", PROT_??? }, /* Genius Mouse */
{ "PNP0F07", PROT_??? }, /* Genius Mouse */
#endif
{ "PNP0F08", PROT_LOGIMAN }, /* Logitech serial */
{ "PNP0F09", PROT_MS }, /* MS BallPoint serial */
{ "PNP0F0A", PROT_MS }, /* MS PnP serial */
{ "PNP0F0B", PROT_MS }, /* MS PnP BallPoint serial */
{ "PNP0F0C", PROT_MS }, /* MS serial comatible */
{ "PNP0F0D", PROT_BM }, /* MS InPort comatible */
{ "PNP0F0E", PROT_PS2 }, /* MS PS/2 comatible */
{ "PNP0F0F", PROT_MS }, /* MS BallPoint comatible */
#ifdef notyet
{ "PNP0F10", PROT_??? }, /* TI QuickPort */
#endif
{ "PNP0F11", PROT_BM }, /* MS bus comatible */
{ "PNP0F12", PROT_PS2 }, /* Logitech PS/2 */
{ "PNP0F13", PROT_PS2 }, /* PS/2 */
#ifdef notyet
{ "PNP0F14", PROT_??? }, /* MS Kids Mouse */
#endif
{ "PNP0F15", PROT_BM }, /* Logitech bus */
#ifdef notyet
{ "PNP0F16", PROT_??? }, /* Logitech SWIFT */
#endif
{ "PNP0F17", PROT_LOGIMAN }, /* Logitech serial compat */
{ "PNP0F18", PROT_BM }, /* Logitech bus compatible */
{ "PNP0F19", PROT_PS2 }, /* Logitech PS/2 compatible */
#ifdef notyet
{ "PNP0F1A", PROT_??? }, /* Logitech SWIFT compatible */
{ "PNP0F1B", PROT_??? }, /* HP Omnibook */
{ "PNP0F1C", PROT_??? }, /* Compaq LTE TrackBall PS/2 */
{ "PNP0F1D", PROT_??? }, /* Compaq LTE TrackBall serial */
{ "PNP0F1E", PROT_??? }, /* MS Kids Trackball */
#endif
{ NULL, -1 },
};
static int
pnpgets(
#if NeedFunctionPrototypes
MouseDevPtr,
char *
#endif
);
static int
pnpparse(
#if NeedFunctionPrototypes
pnpid_t *,
char *,
int
#endif
);
static symtab_t *
pnpproto(
#if NeedFunctionPrototypes
pnpid_t *
#endif
);
static symtab_t *
gettoken(
#if NeedFunctionPrototypes
symtab_t *,
char *,
int
#endif
);
int
xf86GetPnPMouseProtocol(mouse)
MouseDevPtr mouse;
{
char buf[256]; /* PnP ID string may be up to 256 bytes long */
pnpid_t pnpid;
symtab_t *t;
int len;
if (((len = pnpgets(mouse, buf)) <= 0) || !pnpparse(&pnpid, buf, len))
return -1;
if ((t = pnpproto(&pnpid)) == NULL)
return -1;
ErrorF("Mouse: protocol: %d\n", t->val);
return (t->val);
}
/*
* Try to elicit a PnP ID as described in
* Microsoft, Hayes: "Plug and Play External COM Device Specification,
* rev 1.00", 1995.
*
* The routine does not fully implement the COM Enumerator as par Section
* 2.1 of the document. In particular, we don't have idle state in which
* the driver software monitors the com port for dynamic connection or
* removal of a device at the port, because `moused' simply quits if no
* device is found.
*
* In addition, as PnP COM device enumeration procedure slightly has
* changed since its first publication, devices which follow earlier
* revisions of the above spec. may fail to respond if the rev 1.0
* procedure is used. XXX
*/
static int
pnpgets(mouse, buf)
MouseDevPtr mouse;
char *buf;
{
struct timeval timeout;
fd_set fds;
int i;
char c;
#if 0
/*
* This is the procedure described in rev 1.0 of PnP COM device spec.
* Unfortunately, some devices which comform to earlier revisions of
* the spec gets confused and do not return the ID string...
*/
/* port initialization (2.1.2) */
ioctl(mouse->mseFd, TIOCMGET, &i);
i |= TIOCM_DTR; /* DTR = 1 */
i &= ~TIOCM_RTS; /* RTS = 0 */
ioctl(mouse->mseFd, TIOCMSET, &i);
usleep(200000);
if ((ioctl(mouse->mseFd, TIOCMGET, &i) == -1) || ((i & TIOCM_DSR) == 0))
goto disconnect_idle;
/* port setup, 1st phase (2.1.3) */
xf86SetMouseSpeed(mouse, 1200, 1200, (CS7 | CREAD | CLOCAL | HUPCL));
i = TIOCM_DTR | TIOCM_RTS; /* DTR = 0, RTS = 0 */
ioctl(mouse->mseFd, TIOCMBIC, &i);
usleep(200000);
i = TIOCM_DTR; /* DTR = 1, RTS = 0 */
ioctl(mouse->mseFd, TIOCMBIS, &i);
usleep(200000);
/* wait for response, 1st phase (2.1.4) */
xf86FlushInput(mouse->mseFd);
i = TIOCM_RTS; /* DTR = 1, RTS = 1 */
ioctl(mouse->mseFd, TIOCMBIS, &i);
/* try to read something */
FD_ZERO(&fds);
FD_SET(mouse->mseFd, &fds);
timeout.tv_sec = 0;
timeout.tv_usec = 200000;
if (select(FD_SETSIZE, &fds, NULL, NULL, &timeout) <= 0) {
/* port setup, 2nd phase (2.1.5) */
i = TIOCM_DTR | TIOCM_RTS; /* DTR = 0, RTS = 0 */
ioctl(mouse->mseFd, TIOCMBIC, &i);
usleep(200000);
/* wait for respose, 2nd phase (2.1.6) */
xf86FlushInput(mouse->mseFd);
i = TIOCM_DTR | TIOCM_RTS; /* DTR = 1, RTS = 1 */
ioctl(mouse->mseFd, TIOCMBIS, &i);
/* try to read something */
FD_ZERO(&fds);
FD_SET(mouse->mseFd, &fds);
timeout.tv_sec = 0;
timeout.tv_usec = 200000;
if (select(FD_SETSIZE, &fds, NULL, NULL, &timeout) <= 0)
goto connect_idle;
}
#else
/*
* This is a simplified procedure; it simply toggles RTS.
*/
ioctl(mouse->mseFd, TIOCMGET, &i);
i |= TIOCM_DTR; /* DTR = 1 */
i &= ~TIOCM_RTS; /* RTS = 0 */
ioctl(mouse->mseFd, TIOCMSET, &i);
usleep(200000);
xf86SetMouseSpeed(mouse, 1200, 1200, (CS7 | CREAD | CLOCAL | HUPCL));
/* wait for respose */
xf86FlushInput(mouse->mseFd);
i = TIOCM_DTR | TIOCM_RTS; /* DTR = 1, RTS = 1 */
ioctl(mouse->mseFd, TIOCMBIS, &i);
/* try to read something */
FD_ZERO(&fds);
FD_SET(mouse->mseFd, &fds);
timeout.tv_sec = 0;
timeout.tv_usec = 200000;
if (select(FD_SETSIZE, &fds, NULL, NULL, &timeout) <= 0)
goto connect_idle;
#endif
/* collect PnP COM device ID (2.1.7) */
i = 0;
usleep(200000); /* the mouse must send `Begin ID' within 200msec */
while (read(mouse->mseFd, &c, 1) == 1) {
/* we may see "M", or "M3..." before `Begin ID' */
if ((c == 0x08) || (c == 0x28)) { /* Begin ID */
buf[i++] = c;
break;
}
}
if (i <= 0) {
/* we haven't seen `Begin ID' in time... */
goto connect_idle;
}
++c; /* make it `End ID' */
for (;;) {
FD_ZERO(&fds);
FD_SET(mouse->mseFd, &fds);
timeout.tv_sec = 0;
timeout.tv_usec = 200000;
if (select(FD_SETSIZE, &fds, NULL, NULL, &timeout) <= 0)
break;
read(mouse->mseFd, &buf[i], 1);
if (buf[i++] == c) /* End ID */
break;
if (i >= 256)
break;
}
if (buf[i - 1] != c)
goto connect_idle;
return i;
/*
* According to PnP spec, we should set DTR = 1 and RTS = 0 while
* in idle state. But, `moused' shall set DTR = RTS = 1 and proceed,
* assuming there is something at the port even if it didn't
* respond to the PnP enumeration procedure.
*/
disconnect_idle:
i = TIOCM_DTR | TIOCM_RTS; /* DTR = 1, RTS = 1 */
ioctl(mouse->mseFd, TIOCMBIS, &i);
connect_idle:
return 0;
}
static int
pnpparse(id, buf, len)
pnpid_t *id;
char *buf;
int len;
{
char s[3];
int offset;
int sum = 0;
int i, j;
id->revision = 0;
id->eisaid = NULL;
id->serial = NULL;
id->class = NULL;
id->compat = NULL;
id->description = NULL;
id->neisaid = 0;
id->nserial = 0;
id->nclass = 0;
id->ncompat = 0;
id->ndescription = 0;
offset = 0x28 - buf[0];
/* calculate checksum */
for (i = 0; i < len - 3; ++i) {
sum += buf[i];
buf[i] += offset;
}
sum += buf[len - 1];
for (; i < len; ++i)
buf[i] += offset;
ErrorF("Mouse: PnP ID string: '%*.*s'\n", len, len, buf);
/* revision */
buf[1] -= offset;
buf[2] -= offset;
id->revision = ((buf[1] & 0x3f) << 6) | (buf[2] & 0x3f);
ErrorF("Mouse: PnP rev %d.%02d\n", id->revision / 100, id->revision % 100);
/* EISA vender and product ID */
id->eisaid = &buf[3];
id->neisaid = 7;
/* option strings */
i = 10;
if (buf[i] == '\\') {
/* device serial # */
for (j = ++i; i < len; ++i) {
if (buf[i] == '\\')
break;
}
if (i >= len)
i -= 3;
if (i - j == 8) {
id->serial = &buf[j];
id->nserial = 8;
}
}
if (buf[i] == '\\') {
/* PnP class */
for (j = ++i; i < len; ++i) {
if (buf[i] == '\\')
break;
}
if (i >= len)
i -= 3;
if (i > j + 1) {
id->class = &buf[j];
id->nclass = i - j;
}
}
if (buf[i] == '\\') {
/* compatible driver */
for (j = ++i; i < len; ++i) {
if (buf[i] == '\\')
break;
}
/*
* PnP COM spec prior to v0.96 allowed '*' in this field,
* it's not allowed now; just igore it.
*/
if (buf[j] == '*')
++j;
if (i >= len)
i -= 3;
if (i > j + 1) {
id->compat = &buf[j];
id->ncompat = i - j;
}
}
if (buf[i] == '\\') {
/* product description */
for (j = ++i; i < len; ++i) {
if (buf[i] == ';')
break;
}
if (i >= len)
i -= 3;
if (i > j + 1) {
id->description = &buf[j];
id->ndescription = i - j;
}
}
/* checksum exists if there are any optional fields */
if ((id->nserial > 0) || (id->nclass > 0)
|| (id->ncompat > 0) || (id->ndescription > 0)) {
#if 0
ErrorF("Mouse: PnP checksum: 0x%02X\n", sum);
#endif
sprintf(s, "%02X", sum & 0x0ff);
if (strncmp(s, &buf[len - 3], 2) != 0) {
#if 0
/*
* Checksum error!!
* I found some mice do not comply with the PnP COM device
* spec regarding checksum... XXX
*/
return FALSE;
#endif
}
}
return TRUE;
}
static symtab_t *
pnpproto(id)
pnpid_t *id;
{
symtab_t *t;
int i, j;
if (id->nclass > 0)
if (strncmp(id->class, "MOUSE", id->nclass) != 0)
/* this is not a mouse! */
return NULL;
if (id->neisaid > 0) {
t = gettoken(pnpprod, id->eisaid, id->neisaid);
if (t->val != -1)
return t;
}
/*
* The 'Compatible drivers' field may contain more than one
* ID separated by ','.
*/
if (id->ncompat <= 0)
return NULL;
for (i = 0; i < id->ncompat; ++i) {
for (j = i; id->compat[i] != ','; ++i)
if (i >= id->ncompat)
break;
if (i > j) {
t = gettoken(pnpprod, id->compat + j, i - j);
if (t->val != -1)
return t;
}
}
return NULL;
}
/* name/val mapping */
static symtab_t *
gettoken(tab, s, len)
symtab_t *tab;
char *s;
int len;
{
int i;
for (i = 0; tab[i].name != NULL; ++i) {
if (strncmp(tab[i].name, s, len) == 0)
break;
}
return &tab[i];
}
|