117 	return state ? state->ir_state : NULL;  in to_ir_state()
491 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_irq_handler()  local
502 	if (ir_state == NULL)  in cx25840_ir_irq_handler()
505 	c = ir_state->c;  in cx25840_ir_irq_handler()
579 			k = kfifo_in_locked(&ir_state->rx_kfifo,  in cx25840_ir_irq_handler()
581 					    &ir_state->rx_kfifo_lock);  in cx25840_ir_irq_handler()
617 	spin_lock_irqsave(&ir_state->rx_kfifo_lock, flags);  in cx25840_ir_irq_handler()
618 	if (kfifo_len(&ir_state->rx_kfifo) >= CX25840_IR_RX_KFIFO_SIZE / 2)  in cx25840_ir_irq_handler()
620 	spin_unlock_irqrestore(&ir_state->rx_kfifo_lock, flags);  in cx25840_ir_irq_handler()
631 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_rx_read()  local
638 	if (ir_state == NULL)  in cx25840_ir_rx_read()
641 	invert = (bool) atomic_read(&ir_state->rx_invert);  in cx25840_ir_rx_read()
642 	divider = (u16) atomic_read(&ir_state->rxclk_divider);  in cx25840_ir_rx_read()
651 	n = kfifo_out_locked(&ir_state->rx_kfifo, buf, n,  in cx25840_ir_rx_read()
652 			     &ir_state->rx_kfifo_lock);  in cx25840_ir_rx_read()
689 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_rx_g_parameters()  local
691 	if (ir_state == NULL)  in cx25840_ir_rx_g_parameters()
694 	mutex_lock(&ir_state->rx_params_lock);  in cx25840_ir_rx_g_parameters()
695 	memcpy(p, &ir_state->rx_params,  in cx25840_ir_rx_g_parameters()
697 	mutex_unlock(&ir_state->rx_params_lock);  in cx25840_ir_rx_g_parameters()
703 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_rx_shutdown()  local
706 	if (ir_state == NULL)  in cx25840_ir_rx_shutdown()
709 	c = ir_state->c;  in cx25840_ir_rx_shutdown()
710 	mutex_lock(&ir_state->rx_params_lock);  in cx25840_ir_rx_shutdown()
720 	ir_state->rx_params.shutdown = true;  in cx25840_ir_rx_shutdown()
722 	mutex_unlock(&ir_state->rx_params_lock);  in cx25840_ir_rx_shutdown()
729 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_rx_s_parameters()  local
734 	if (ir_state == NULL)  in cx25840_ir_rx_s_parameters()
743 	c = ir_state->c;  in cx25840_ir_rx_s_parameters()
744 	o = &ir_state->rx_params;  in cx25840_ir_rx_s_parameters()
746 	mutex_lock(&ir_state->rx_params_lock);  in cx25840_ir_rx_s_parameters()
786 	atomic_set(&ir_state->rxclk_divider, rxclk_divider);  in cx25840_ir_rx_s_parameters()
801 	atomic_set(&ir_state->rx_invert, p->invert_level);  in cx25840_ir_rx_s_parameters()
808 		spin_lock_irqsave(&ir_state->rx_kfifo_lock, flags);  in cx25840_ir_rx_s_parameters()
809 		kfifo_reset(&ir_state->rx_kfifo);  in cx25840_ir_rx_s_parameters()
810 		spin_unlock_irqrestore(&ir_state->rx_kfifo_lock, flags);  in cx25840_ir_rx_s_parameters()
816 	mutex_unlock(&ir_state->rx_params_lock);  in cx25840_ir_rx_s_parameters()
824 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_tx_write()  local
826 	if (ir_state == NULL)  in cx25840_ir_tx_write()
846 	n = CX25840_IR_TX_KFIFO_SIZE - kfifo_len(ir_state->tx_kfifo);  in cx25840_ir_tx_write()
859 					 ir_state->txclk_divider);  in cx25840_ir_tx_write()
864 		kfifo_put(ir_state->tx_kfifo, (u8 *) fifo_pulse,  in cx25840_ir_tx_write()
879 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_tx_g_parameters()  local
881 	if (ir_state == NULL)  in cx25840_ir_tx_g_parameters()
884 	mutex_lock(&ir_state->tx_params_lock);  in cx25840_ir_tx_g_parameters()
885 	memcpy(p, &ir_state->tx_params,  in cx25840_ir_tx_g_parameters()
887 	mutex_unlock(&ir_state->tx_params_lock);  in cx25840_ir_tx_g_parameters()
893 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_tx_shutdown()  local
896 	if (ir_state == NULL)  in cx25840_ir_tx_shutdown()
899 	c = ir_state->c;  in cx25840_ir_tx_shutdown()
900 	mutex_lock(&ir_state->tx_params_lock);  in cx25840_ir_tx_shutdown()
908 	ir_state->tx_params.shutdown = true;  in cx25840_ir_tx_shutdown()
910 	mutex_unlock(&ir_state->tx_params_lock);  in cx25840_ir_tx_shutdown()
917 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_tx_s_parameters()  local
922 	if (ir_state == NULL)  in cx25840_ir_tx_s_parameters()
931 	c = ir_state->c;  in cx25840_ir_tx_s_parameters()
932 	o = &ir_state->tx_params;  in cx25840_ir_tx_s_parameters()
933 	mutex_lock(&ir_state->tx_params_lock);  in cx25840_ir_tx_s_parameters()
966 	atomic_set(&ir_state->txclk_divider, txclk_divider);  in cx25840_ir_tx_s_parameters()
994 	mutex_unlock(&ir_state->tx_params_lock);  in cx25840_ir_tx_s_parameters()
1189 	struct cx25840_ir_state *ir_state;  in cx25840_ir_probe()  local
1196 	ir_state = devm_kzalloc(&state->c->dev, sizeof(*ir_state), GFP_KERNEL);  in cx25840_ir_probe()
1197 	if (ir_state == NULL)  in cx25840_ir_probe()
1200 	spin_lock_init(&ir_state->rx_kfifo_lock);  in cx25840_ir_probe()
1201 	if (kfifo_alloc(&ir_state->rx_kfifo,  in cx25840_ir_probe()
1205 	ir_state->c = state->c;  in cx25840_ir_probe()
1206 	state->ir_state = ir_state;  in cx25840_ir_probe()
1210 		cx25840_write4(ir_state->c, CX25840_IR_IRQEN_REG, IRQEN_MSK);  in cx25840_ir_probe()
1212 		cx25840_write4(ir_state->c, CX25840_IR_IRQEN_REG, 0);  in cx25840_ir_probe()
1214 	mutex_init(&ir_state->rx_params_lock);  in cx25840_ir_probe()
1218 	mutex_init(&ir_state->tx_params_lock);  in cx25840_ir_probe()
1228 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_remove()  local
1230 	if (ir_state == NULL)  in cx25840_ir_remove()
1236 	kfifo_free(&ir_state->rx_kfifo);  in cx25840_ir_remove()
1237 	state->ir_state = NULL;  in cx25840_ir_remove()