126 	return state ? state->ir_state : NULL;  in to_ir_state()
520 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_irq_handler()  local
531 	if (ir_state == NULL)  in cx25840_ir_irq_handler()
534 	c = ir_state->c;  in cx25840_ir_irq_handler()
608 			k = kfifo_in_locked(&ir_state->rx_kfifo,  in cx25840_ir_irq_handler()
610 					    &ir_state->rx_kfifo_lock);  in cx25840_ir_irq_handler()
646 	spin_lock_irqsave(&ir_state->rx_kfifo_lock, flags);  in cx25840_ir_irq_handler()
647 	if (kfifo_len(&ir_state->rx_kfifo) >= CX25840_IR_RX_KFIFO_SIZE / 2)  in cx25840_ir_irq_handler()
649 	spin_unlock_irqrestore(&ir_state->rx_kfifo_lock, flags);  in cx25840_ir_irq_handler()
660 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_rx_read()  local
667 	if (ir_state == NULL)  in cx25840_ir_rx_read()
670 	invert = (bool) atomic_read(&ir_state->rx_invert);  in cx25840_ir_rx_read()
671 	divider = (u16) atomic_read(&ir_state->rxclk_divider);  in cx25840_ir_rx_read()
680 	n = kfifo_out_locked(&ir_state->rx_kfifo, buf, n,  in cx25840_ir_rx_read()
681 			     &ir_state->rx_kfifo_lock);  in cx25840_ir_rx_read()
720 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_rx_g_parameters()  local
722 	if (ir_state == NULL)  in cx25840_ir_rx_g_parameters()
725 	mutex_lock(&ir_state->rx_params_lock);  in cx25840_ir_rx_g_parameters()
726 	memcpy(p, &ir_state->rx_params,  in cx25840_ir_rx_g_parameters()
728 	mutex_unlock(&ir_state->rx_params_lock);  in cx25840_ir_rx_g_parameters()
734 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_rx_shutdown()  local
737 	if (ir_state == NULL)  in cx25840_ir_rx_shutdown()
740 	c = ir_state->c;  in cx25840_ir_rx_shutdown()
741 	mutex_lock(&ir_state->rx_params_lock);  in cx25840_ir_rx_shutdown()
751 	ir_state->rx_params.shutdown = true;  in cx25840_ir_rx_shutdown()
753 	mutex_unlock(&ir_state->rx_params_lock);  in cx25840_ir_rx_shutdown()
760 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_rx_s_parameters()  local
765 	if (ir_state == NULL)  in cx25840_ir_rx_s_parameters()
774 	c = ir_state->c;  in cx25840_ir_rx_s_parameters()
775 	o = &ir_state->rx_params;  in cx25840_ir_rx_s_parameters()
777 	mutex_lock(&ir_state->rx_params_lock);  in cx25840_ir_rx_s_parameters()
817 	atomic_set(&ir_state->rxclk_divider, rxclk_divider);  in cx25840_ir_rx_s_parameters()
832 	atomic_set(&ir_state->rx_invert, p->invert_level);  in cx25840_ir_rx_s_parameters()
839 		spin_lock_irqsave(&ir_state->rx_kfifo_lock, flags);  in cx25840_ir_rx_s_parameters()
840 		kfifo_reset(&ir_state->rx_kfifo);  in cx25840_ir_rx_s_parameters()
841 		spin_unlock_irqrestore(&ir_state->rx_kfifo_lock, flags);  in cx25840_ir_rx_s_parameters()
847 	mutex_unlock(&ir_state->rx_params_lock);  in cx25840_ir_rx_s_parameters()
855 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_tx_write()  local
857 	if (ir_state == NULL)  in cx25840_ir_tx_write()
877 	n = CX25840_IR_TX_KFIFO_SIZE - kfifo_len(ir_state->tx_kfifo);  in cx25840_ir_tx_write()
890 					 ir_state->txclk_divider);  in cx25840_ir_tx_write()
895 		kfifo_put(ir_state->tx_kfifo, (u8 *) fifo_pulse,  in cx25840_ir_tx_write()
910 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_tx_g_parameters()  local
912 	if (ir_state == NULL)  in cx25840_ir_tx_g_parameters()
915 	mutex_lock(&ir_state->tx_params_lock);  in cx25840_ir_tx_g_parameters()
916 	memcpy(p, &ir_state->tx_params,  in cx25840_ir_tx_g_parameters()
918 	mutex_unlock(&ir_state->tx_params_lock);  in cx25840_ir_tx_g_parameters()
924 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_tx_shutdown()  local
927 	if (ir_state == NULL)  in cx25840_ir_tx_shutdown()
930 	c = ir_state->c;  in cx25840_ir_tx_shutdown()
931 	mutex_lock(&ir_state->tx_params_lock);  in cx25840_ir_tx_shutdown()
939 	ir_state->tx_params.shutdown = true;  in cx25840_ir_tx_shutdown()
941 	mutex_unlock(&ir_state->tx_params_lock);  in cx25840_ir_tx_shutdown()
948 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_tx_s_parameters()  local
953 	if (ir_state == NULL)  in cx25840_ir_tx_s_parameters()
962 	c = ir_state->c;  in cx25840_ir_tx_s_parameters()
963 	o = &ir_state->tx_params;  in cx25840_ir_tx_s_parameters()
964 	mutex_lock(&ir_state->tx_params_lock);  in cx25840_ir_tx_s_parameters()
997 	atomic_set(&ir_state->txclk_divider, txclk_divider);  in cx25840_ir_tx_s_parameters()
1025 	mutex_unlock(&ir_state->tx_params_lock);  in cx25840_ir_tx_s_parameters()
1220 	struct cx25840_ir_state *ir_state;  in cx25840_ir_probe()  local
1227 	ir_state = devm_kzalloc(&state->c->dev, sizeof(*ir_state), GFP_KERNEL);  in cx25840_ir_probe()
1228 	if (ir_state == NULL)  in cx25840_ir_probe()
1231 	spin_lock_init(&ir_state->rx_kfifo_lock);  in cx25840_ir_probe()
1232 	if (kfifo_alloc(&ir_state->rx_kfifo,  in cx25840_ir_probe()
1236 	ir_state->c = state->c;  in cx25840_ir_probe()
1237 	state->ir_state = ir_state;  in cx25840_ir_probe()
1241 		cx25840_write4(ir_state->c, CX25840_IR_IRQEN_REG, IRQEN_MSK);  in cx25840_ir_probe()
1243 		cx25840_write4(ir_state->c, CX25840_IR_IRQEN_REG, 0);  in cx25840_ir_probe()
1245 	mutex_init(&ir_state->rx_params_lock);  in cx25840_ir_probe()
1249 	mutex_init(&ir_state->tx_params_lock);  in cx25840_ir_probe()
1259 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_remove()  local
1261 	if (ir_state == NULL)  in cx25840_ir_remove()
1267 	kfifo_free(&ir_state->rx_kfifo);  in cx25840_ir_remove()
1268 	state->ir_state = NULL;  in cx25840_ir_remove()