115 	struct ms_softc *ms;  in msopen()  local
117 	ms = device_lookup_private(&ms_cd, minor(dev));  in msopen()
118 	if (ms == NULL)  in msopen()
122 	if (ms->ms_events.ev_io)  in msopen()
125 	if (ms->ms_deviopen) {  in msopen()
127 		err = (*ms->ms_deviopen)(ms->ms_dev, flags);  in msopen()
131 	ms->ms_events.ev_io = l->l_proc;  in msopen()
132 	ev_init(&ms->ms_events);	/* may cause sleep */  in msopen()
134 	ms->ms_ready = 1;		/* start accepting events */  in msopen()
141 	struct ms_softc *ms;  in msclose()  local
143 	ms = device_lookup_private(&ms_cd, minor(dev));  in msclose()
144 	ms->ms_ready = 0;		/* stop accepting events */  in msclose()
145 	ev_fini(&ms->ms_events);  in msclose()
147 	ms->ms_events.ev_io = NULL;  in msclose()
148 	if (ms->ms_deviclose) {  in msclose()
150 		err = (*ms->ms_deviclose)(ms->ms_dev, flags);  in msclose()
160 	struct ms_softc *ms;  in msread()  local
162 	ms = device_lookup_private(&ms_cd, minor(dev));  in msread()
163 	return ev_read(&ms->ms_events, uio, flags);  in msread()
169 	struct ms_softc *ms;  in msioctl()  local
171 	ms = device_lookup_private(&ms_cd, minor(dev));  in msioctl()
179 		ms->ms_events.ev_async = *(int *)data != 0;  in msioctl()
183 		if (-*(int *)data != ms->ms_events.ev_io->p_pgid  in msioctl()
184 		    && *(int *)data != ms->ms_events.ev_io->p_pid)  in msioctl()
189 		if (*(int *)data != ms->ms_events.ev_io->p_pgid)  in msioctl()
209 	struct ms_softc *ms;  in mspoll()  local
211 	ms = device_lookup_private(&ms_cd, minor(dev));  in mspoll()
212 	return ev_poll(&ms->ms_events, events, l);  in mspoll()
218 	struct ms_softc *ms;  in mskqfilter()  local
220 	ms = device_lookup_private(&ms_cd, minor(dev));  in mskqfilter()
221 	return ev_kqfilter(&ms->ms_events, kn);  in mskqfilter()
232 ms_input(struct ms_softc *ms, int c)  in ms_input()  argument
243 	if (ms->ms_ready == 0)  in ms_input()
246 		ms->ms_byteno = -1;  in ms_input()
251 			ms->ms_byteno = 1;	/* short form (3 bytes) */  in ms_input()
253 			ms->ms_byteno = 0;	/* long form (5 bytes) */  in ms_input()
262 	switch (ms->ms_byteno) {  in ms_input()
269 		ms->ms_byteno = 2;  in ms_input()
270 		ms->ms_mb = (~c) & 0x7;  in ms_input()
275 		ms->ms_byteno = 4;  in ms_input()
276 		ms->ms_mb = (~c) & 0x7;  in ms_input()
281 		ms->ms_byteno = 3;  in ms_input()
282 		ms->ms_dx += (char)c;  in ms_input()
287 		ms->ms_byteno = 4;  in ms_input()
288 		ms->ms_dy += (char)c;  in ms_input()
293 		ms->ms_byteno = 5;  in ms_input()
294 		ms->ms_dx += (char)c;  in ms_input()
299 		ms->ms_byteno = -1;	/* wait for button-byte again */  in ms_input()
300 		ms->ms_dy += (char)c;  in ms_input()
309 	if (ms->ms_wsmousedev != NULL && ms->ms_ready == 2) {  in ms_input()
310 		mb = ((ms->ms_mb & 4) >> 2) |  in ms_input()
311 			(ms->ms_mb & 2) |  in ms_input()
312 			((ms->ms_mb & 1) << 2);  in ms_input()
313 		wsmouse_input(ms->ms_wsmousedev,  in ms_input()
315 				ms->ms_dx, ms->ms_dy, 0, 0,  in ms_input()
317 		ms->ms_dx = 0;  in ms_input()
318 		ms->ms_dy = 0;  in ms_input()
330 	get = ms->ms_events.ev_get;  in ms_input()
331 	put = ms->ms_events.ev_put;  in ms_input()
332 	fe = &ms->ms_events.ev_q[put];  in ms_input()
345 		fe = &ms->ms_events.ev_q[0]; \  in ms_input()
349 	mb = ms->ms_mb;  in ms_input()
350 	ub = ms->ms_ub;  in ms_input()
364 	if (ms->ms_dx) {  in ms_input()
367 		fe->value = ms->ms_dx;  in ms_input()
370 		ms->ms_dx = 0;  in ms_input()
372 	if (ms->ms_dy) {  in ms_input()
375 		fe->value = ms->ms_dy;  in ms_input()
378 		ms->ms_dy = 0;  in ms_input()
382 		ms->ms_ub = ub;  in ms_input()
383 		ms->ms_events.ev_put = put;  in ms_input()
384 		EV_WAKEUP(&ms->ms_events);  in ms_input()