117 	return state ? state->ir_state : NULL;  in to_ir_state()
511 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_irq_handler()  local
522 	if (ir_state == NULL)  in cx25840_ir_irq_handler()
525 	c = ir_state->c;  in cx25840_ir_irq_handler()
599 			k = kfifo_in_locked(&ir_state->rx_kfifo,  in cx25840_ir_irq_handler()
601 					    &ir_state->rx_kfifo_lock);  in cx25840_ir_irq_handler()
637 	spin_lock_irqsave(&ir_state->rx_kfifo_lock, flags);  in cx25840_ir_irq_handler()
638 	if (kfifo_len(&ir_state->rx_kfifo) >= CX25840_IR_RX_KFIFO_SIZE / 2)  in cx25840_ir_irq_handler()
640 	spin_unlock_irqrestore(&ir_state->rx_kfifo_lock, flags);  in cx25840_ir_irq_handler()
651 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_rx_read()  local
658 	if (ir_state == NULL)  in cx25840_ir_rx_read()
661 	invert = (bool) atomic_read(&ir_state->rx_invert);  in cx25840_ir_rx_read()
662 	divider = (u16) atomic_read(&ir_state->rxclk_divider);  in cx25840_ir_rx_read()
671 	n = kfifo_out_locked(&ir_state->rx_kfifo, buf, n,  in cx25840_ir_rx_read()
672 			     &ir_state->rx_kfifo_lock);  in cx25840_ir_rx_read()
709 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_rx_g_parameters()  local
711 	if (ir_state == NULL)  in cx25840_ir_rx_g_parameters()
714 	mutex_lock(&ir_state->rx_params_lock);  in cx25840_ir_rx_g_parameters()
715 	memcpy(p, &ir_state->rx_params,  in cx25840_ir_rx_g_parameters()
717 	mutex_unlock(&ir_state->rx_params_lock);  in cx25840_ir_rx_g_parameters()
723 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_rx_shutdown()  local
726 	if (ir_state == NULL)  in cx25840_ir_rx_shutdown()
729 	c = ir_state->c;  in cx25840_ir_rx_shutdown()
730 	mutex_lock(&ir_state->rx_params_lock);  in cx25840_ir_rx_shutdown()
740 	ir_state->rx_params.shutdown = true;  in cx25840_ir_rx_shutdown()
742 	mutex_unlock(&ir_state->rx_params_lock);  in cx25840_ir_rx_shutdown()
749 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_rx_s_parameters()  local
754 	if (ir_state == NULL)  in cx25840_ir_rx_s_parameters()
763 	c = ir_state->c;  in cx25840_ir_rx_s_parameters()
764 	o = &ir_state->rx_params;  in cx25840_ir_rx_s_parameters()
766 	mutex_lock(&ir_state->rx_params_lock);  in cx25840_ir_rx_s_parameters()
806 	atomic_set(&ir_state->rxclk_divider, rxclk_divider);  in cx25840_ir_rx_s_parameters()
821 	atomic_set(&ir_state->rx_invert, p->invert_level);  in cx25840_ir_rx_s_parameters()
828 		spin_lock_irqsave(&ir_state->rx_kfifo_lock, flags);  in cx25840_ir_rx_s_parameters()
829 		kfifo_reset(&ir_state->rx_kfifo);  in cx25840_ir_rx_s_parameters()
830 		spin_unlock_irqrestore(&ir_state->rx_kfifo_lock, flags);  in cx25840_ir_rx_s_parameters()
836 	mutex_unlock(&ir_state->rx_params_lock);  in cx25840_ir_rx_s_parameters()
844 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_tx_write()  local
846 	if (ir_state == NULL)  in cx25840_ir_tx_write()
866 	n = CX25840_IR_TX_KFIFO_SIZE - kfifo_len(ir_state->tx_kfifo);  in cx25840_ir_tx_write()
879 					 ir_state->txclk_divider);  in cx25840_ir_tx_write()
884 		kfifo_put(ir_state->tx_kfifo, (u8 *) fifo_pulse,  in cx25840_ir_tx_write()
899 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_tx_g_parameters()  local
901 	if (ir_state == NULL)  in cx25840_ir_tx_g_parameters()
904 	mutex_lock(&ir_state->tx_params_lock);  in cx25840_ir_tx_g_parameters()
905 	memcpy(p, &ir_state->tx_params,  in cx25840_ir_tx_g_parameters()
907 	mutex_unlock(&ir_state->tx_params_lock);  in cx25840_ir_tx_g_parameters()
913 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_tx_shutdown()  local
916 	if (ir_state == NULL)  in cx25840_ir_tx_shutdown()
919 	c = ir_state->c;  in cx25840_ir_tx_shutdown()
920 	mutex_lock(&ir_state->tx_params_lock);  in cx25840_ir_tx_shutdown()
928 	ir_state->tx_params.shutdown = true;  in cx25840_ir_tx_shutdown()
930 	mutex_unlock(&ir_state->tx_params_lock);  in cx25840_ir_tx_shutdown()
937 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_tx_s_parameters()  local
942 	if (ir_state == NULL)  in cx25840_ir_tx_s_parameters()
951 	c = ir_state->c;  in cx25840_ir_tx_s_parameters()
952 	o = &ir_state->tx_params;  in cx25840_ir_tx_s_parameters()
953 	mutex_lock(&ir_state->tx_params_lock);  in cx25840_ir_tx_s_parameters()
986 	atomic_set(&ir_state->txclk_divider, txclk_divider);  in cx25840_ir_tx_s_parameters()
1014 	mutex_unlock(&ir_state->tx_params_lock);  in cx25840_ir_tx_s_parameters()
1209 	struct cx25840_ir_state *ir_state;  in cx25840_ir_probe()  local
1216 	ir_state = devm_kzalloc(&state->c->dev, sizeof(*ir_state), GFP_KERNEL);  in cx25840_ir_probe()
1217 	if (ir_state == NULL)  in cx25840_ir_probe()
1220 	spin_lock_init(&ir_state->rx_kfifo_lock);  in cx25840_ir_probe()
1221 	if (kfifo_alloc(&ir_state->rx_kfifo,  in cx25840_ir_probe()
1225 	ir_state->c = state->c;  in cx25840_ir_probe()
1226 	state->ir_state = ir_state;  in cx25840_ir_probe()
1230 		cx25840_write4(ir_state->c, CX25840_IR_IRQEN_REG, IRQEN_MSK);  in cx25840_ir_probe()
1232 		cx25840_write4(ir_state->c, CX25840_IR_IRQEN_REG, 0);  in cx25840_ir_probe()
1234 	mutex_init(&ir_state->rx_params_lock);  in cx25840_ir_probe()
1238 	mutex_init(&ir_state->tx_params_lock);  in cx25840_ir_probe()
1248 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_remove()  local
1250 	if (ir_state == NULL)  in cx25840_ir_remove()
1256 	kfifo_free(&ir_state->rx_kfifo);  in cx25840_ir_remove()
1257 	state->ir_state = NULL;  in cx25840_ir_remove()