Cross Reference: /illumos-gate/usr/src/uts/common/io/mouse8042.c

Lines Matching refs:state
261 	struct mouse_state *state;
273 		state = (struct mouse_state *)ddi_get_driver_private(dip);
276 		state->ready = 1;
282 		if (state->ms_rqp != NULL) {
285 				putnext(state->ms_rqp, mp);
289 				putnext(state->ms_rqp, mp);
301 	/* allocate and initialize state structure */
302 	state = kmem_zalloc(sizeof (struct mouse_state), KM_SLEEP);
303 	state->ms_opened = B_FALSE;
304 	state->reset_state = MSE_RESET_IDLE;
305 	state->reset_tid = 0;
306 	state->bc_id = 0;
307 	ddi_set_driver_private(dip, state);
336 	rc = ddi_regs_map_setup(dip, 0, (caddr_t *)&state->ms_addr,
337 	    (offset_t)0, (offset_t)0, &attr, &state->ms_handle);
342 	rc = ddi_get_iblock_cookie(dip, 0, &state->ms_iblock_cookie);
347 	mutex_init(&state->ms_mutex, NULL, MUTEX_DRIVER,
348 	    state->ms_iblock_cookie);
349 	mutex_init(&state->reset_mutex, NULL, MUTEX_DRIVER,
350 	    state->ms_iblock_cookie);
351 	cv_init(&state->reset_cv, NULL, CV_DRIVER, NULL);
355 	    mouse8042_intr, (caddr_t)state);
363 	state->ready = 1;
370 	ddi_regs_map_free(&state->ms_handle);
376 	kmem_free(state, sizeof (struct mouse_state));
384 	struct mouse_state *state;
386 	state = ddi_get_driver_private(dip);
391 		state->ready = 0;
395 		ddi_remove_intr(dip, 0, state->ms_iblock_cookie);
397 		cv_destroy(&state->reset_cv);
398 		mutex_destroy(&state->reset_mutex);
399 		mutex_destroy(&state->ms_mutex);
401 		ddi_regs_map_free(&state->ms_handle);
403 		kmem_free(state, sizeof (struct mouse_state));
449 	struct mouse_state *state;
456 	state = ddi_get_driver_private(mouse8042_dip);
458 	mutex_enter(&state->ms_mutex);
460 	if (state->ms_opened) {
464 		if (state->ms_minor == minor) {
465 			mutex_exit(&state->ms_mutex);
480 			mutex_exit(&state->ms_mutex);
502 		mutex_exit(&state->ms_mutex);
512 		mutex_enter(&state->ms_mutex);
516 	q->q_ptr = (caddr_t)state;
517 	WR(q)->q_ptr = (caddr_t)state;
518 	state->ms_rqp = q;
519 	state->ms_wqp = WR(q);
523 	state->ms_minor = minor;
524 	state->ms_opened = B_TRUE;
526 	mutex_exit(&state->ms_mutex);
536 	struct mouse_state *state;
539 	state = (struct mouse_state *)q->q_ptr;
547 	mutex_enter(&state->reset_mutex);
548 	while (state->reset_state != MSE_RESET_IDLE) {
556 		cv_wait(&state->reset_cv, &state->reset_mutex);
559 	if (state->reset_tid != 0) {
560 		(void) quntimeout(q, state->reset_tid);
561 		state->reset_tid = 0;
564 	if (state->reply_mp != NULL) {
565 		freemsg(state->reply_mp);
566 		state->reply_mp = NULL;
569 	if (state->reset_ack_mp != NULL) {
570 		freemsg(state->reset_ack_mp);
571 		state->reset_ack_mp = NULL;
574 	mutex_exit(&state->reset_mutex);
576 	mutex_enter(&state->ms_mutex);
578 	if (state->bc_id != 0) {
579 		(void) qunbufcall(q, state->bc_id);
580 		state->bc_id = 0;
585 	state->ms_rqp = NULL;
586 	state->ms_wqp = NULL;
588 	state->ms_opened = B_FALSE;
590 	minor = state->ms_minor;
592 	mutex_exit(&state->ms_mutex);
632 	struct mouse_state *state = (struct mouse_state *)argp;
635 	mutex_enter(&state->reset_mutex);
643 	if (state->reset_state != MSE_RESET_IDLE &&
644 	    state->reset_state != MSE_RESET_FAILED) {
646 		state->reset_tid = 0;
647 		state->reset_state = MSE_RESET_IDLE;
648 		cv_signal(&state->reset_cv);
650 		(void) ddi_get8(state->ms_handle, state->ms_addr +
653 		mp = state->reply_mp;
655 		state->reply_mp = NULL;
657 		if (state->ms_rqp != NULL)
658 			putnext(state->ms_rqp, mp);
662 		ASSERT(state->ms_wqp != NULL);
664 		enableok(state->ms_wqp);
665 		qenable(state->ms_wqp);
668 	mutex_exit(&state->reset_mutex);
675 mouse8042_initiate_reset(queue_t *q, mblk_t *mp, struct mouse_state *state)
677 	mutex_enter(&state->reset_mutex);
682 	if (state->reset_state != MSE_RESET_IDLE) {
689 		mutex_exit(&state->reset_mutex);
694 	 * Drop the reset state lock before allocating the response message and
698 	mutex_exit(&state->reset_mutex);
700 	if (state->reply_mp == NULL)
701 		state->reply_mp = allocb(2, BPRI_MED);
702 	if (state->reset_ack_mp == NULL)
703 		state->reset_ack_mp = allocb(1, BPRI_MED);
705 	if (state->reply_mp == NULL || state->reset_ack_mp == NULL) {
711 		state->bc_id = qbufcall(q, (state->reply_mp == NULL) ? 2 : 1,
714 		if (state->bc_id == 0) {
728 		state->bc_id = 0;
736 	(void) ddi_get8(state->ms_handle,
737 	    state->ms_addr + I8042_LOCK);
739 	mutex_enter(&state->reset_mutex);
741 	state->reset_state = MSE_RESET_PRE;
744 	state->reset_tid = qtimeout(q,
746 	    state,
750 	ddi_put8(state->ms_handle,
751 	    state->ms_addr +
756 	mutex_exit(&state->reset_mutex);
764 mouse8042_process_data_msg(queue_t *q, mblk_t *mp, struct mouse_state *state)
787 				if (mouse8042_initiate_reset(q, bp, state) == 0)
810 			ddi_put8(state->ms_handle,
811 			    state->ms_addr + I8042_INT_OUTPUT_DATA,
822 mouse8042_process_msg(queue_t *q, mblk_t *mp, struct mouse_state *state)
847 		rv = mouse8042_process_data_msg(q, mp, state);
866 	struct mouse_state *state;
867 	state = (struct mouse_state *)q->q_ptr;
874 	if (state->reset_state != MSE_RESET_IDLE)
886 	(void) mouse8042_process_msg(q, mp, state);
895 	struct mouse_state *state;
896 	state = (struct mouse_state *)qp->q_ptr;
899 		if (mouse8042_process_msg(qp, mp, state) != 0)
907  * Returns the next reset state, given the current state and the byte
939 	struct mouse_state *state = (struct mouse_state *)arg;
942 	mutex_enter(&state->ms_mutex);
948 		if (ddi_get8(state->ms_handle,
949 		    state->ms_addr + I8042_INT_INPUT_AVAIL) == 0) {
953 		mdata = ddi_get8(state->ms_handle,
954 		    state->ms_addr + I8042_INT_INPUT_DATA);
961 		if (!state->ready)
964 		mutex_enter(&state->reset_mutex);
965 		if (state->reset_state != MSE_RESET_IDLE) {
968 				state->reset_state = MSE_RESET_FAILED;
970 				state->reset_state =
971 				    mouse8042_reset_fsm(state->reset_state,
975 			if (state->reset_state == MSE_RESET_ACK) {
983 				if (state->reset_ack_mp != NULL) {
985 					mp = state->reset_ack_mp;
987 					state->reset_ack_mp = NULL;
989 					if (state->ms_rqp != NULL) {
991 						putnext(state->ms_rqp, mp);
996 				if (state->ms_wqp != NULL) {
997 					enableok(state->ms_wqp);
998 					qenable(state->ms_wqp);
1001 			} else if (state->reset_state == MSE_RESET_IDLE ||
1002 			    state->reset_state == MSE_RESET_FAILED) {
1005 			 * If we transitioned back to the idle reset state (or
1017 				mutex_exit(&state->reset_mutex);
1018 				(void) quntimeout(state->ms_wqp,
1019 				    state->reset_tid);
1020 				mutex_enter(&state->reset_mutex);
1022 				(void) ddi_get8(state->ms_handle,
1023 				    state->ms_addr + I8042_UNLOCK);
1025 				state->reset_tid = 0;
1026 				if (state->reply_mp != NULL) {
1027 					mp = state->reply_mp;
1028 					if (state->reset_state ==
1035 					state->reply_mp = NULL;
1040 				state->reset_state = MSE_RESET_IDLE;
1041 				cv_signal(&state->reset_cv);
1044 					if (state->ms_rqp != NULL)
1045 						putnext(state->ms_rqp, mp);
1050 				if (state->ms_wqp != NULL) {
1051 					enableok(state->ms_wqp);
1052 					qenable(state->ms_wqp);
1056 			mutex_exit(&state->reset_mutex);
1057 			mutex_exit(&state->ms_mutex);
1060 		mutex_exit(&state->reset_mutex);
1062 		if (state->ms_rqp != NULL && (mp = allocb(1, BPRI_MED))) {
1064 			putnext(state->ms_rqp, mp);
1067 	mutex_exit(&state->ms_mutex);