131 	return state ? state->ir_state : NULL;  in to_ir_state()
525 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_irq_handler()  local
536 	if (ir_state == NULL)  in cx25840_ir_irq_handler()
539 	c = ir_state->c;  in cx25840_ir_irq_handler()
613 			k = kfifo_in_locked(&ir_state->rx_kfifo,  in cx25840_ir_irq_handler()
615 					    &ir_state->rx_kfifo_lock);  in cx25840_ir_irq_handler()
651 	spin_lock_irqsave(&ir_state->rx_kfifo_lock, flags);  in cx25840_ir_irq_handler()
652 	if (kfifo_len(&ir_state->rx_kfifo) >= CX25840_IR_RX_KFIFO_SIZE / 2)  in cx25840_ir_irq_handler()
654 	spin_unlock_irqrestore(&ir_state->rx_kfifo_lock, flags);  in cx25840_ir_irq_handler()
665 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_rx_read()  local
672 	if (ir_state == NULL)  in cx25840_ir_rx_read()
675 	invert = (bool) atomic_read(&ir_state->rx_invert);  in cx25840_ir_rx_read()
676 	divider = (u16) atomic_read(&ir_state->rxclk_divider);  in cx25840_ir_rx_read()
685 	n = kfifo_out_locked(&ir_state->rx_kfifo, buf, n,  in cx25840_ir_rx_read()
686 			     &ir_state->rx_kfifo_lock);  in cx25840_ir_rx_read()
725 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_rx_g_parameters()  local
727 	if (ir_state == NULL)  in cx25840_ir_rx_g_parameters()
730 	mutex_lock(&ir_state->rx_params_lock);  in cx25840_ir_rx_g_parameters()
731 	memcpy(p, &ir_state->rx_params,  in cx25840_ir_rx_g_parameters()
733 	mutex_unlock(&ir_state->rx_params_lock);  in cx25840_ir_rx_g_parameters()
739 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_rx_shutdown()  local
742 	if (ir_state == NULL)  in cx25840_ir_rx_shutdown()
745 	c = ir_state->c;  in cx25840_ir_rx_shutdown()
746 	mutex_lock(&ir_state->rx_params_lock);  in cx25840_ir_rx_shutdown()
756 	ir_state->rx_params.shutdown = true;  in cx25840_ir_rx_shutdown()
758 	mutex_unlock(&ir_state->rx_params_lock);  in cx25840_ir_rx_shutdown()
765 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_rx_s_parameters()  local
770 	if (ir_state == NULL)  in cx25840_ir_rx_s_parameters()
779 	c = ir_state->c;  in cx25840_ir_rx_s_parameters()
780 	o = &ir_state->rx_params;  in cx25840_ir_rx_s_parameters()
782 	mutex_lock(&ir_state->rx_params_lock);  in cx25840_ir_rx_s_parameters()
822 	atomic_set(&ir_state->rxclk_divider, rxclk_divider);  in cx25840_ir_rx_s_parameters()
837 	atomic_set(&ir_state->rx_invert, p->invert_level);  in cx25840_ir_rx_s_parameters()
844 		spin_lock_irqsave(&ir_state->rx_kfifo_lock, flags);  in cx25840_ir_rx_s_parameters()
845 		kfifo_reset(&ir_state->rx_kfifo);  in cx25840_ir_rx_s_parameters()
846 		spin_unlock_irqrestore(&ir_state->rx_kfifo_lock, flags);  in cx25840_ir_rx_s_parameters()
852 	mutex_unlock(&ir_state->rx_params_lock);  in cx25840_ir_rx_s_parameters()
860 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_tx_write()  local
862 	if (ir_state == NULL)  in cx25840_ir_tx_write()
882 	n = CX25840_IR_TX_KFIFO_SIZE - kfifo_len(ir_state->tx_kfifo);  in cx25840_ir_tx_write()
895 					 ir_state->txclk_divider);  in cx25840_ir_tx_write()
900 		kfifo_put(ir_state->tx_kfifo, (u8 *) fifo_pulse,  in cx25840_ir_tx_write()
915 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_tx_g_parameters()  local
917 	if (ir_state == NULL)  in cx25840_ir_tx_g_parameters()
920 	mutex_lock(&ir_state->tx_params_lock);  in cx25840_ir_tx_g_parameters()
921 	memcpy(p, &ir_state->tx_params,  in cx25840_ir_tx_g_parameters()
923 	mutex_unlock(&ir_state->tx_params_lock);  in cx25840_ir_tx_g_parameters()
929 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_tx_shutdown()  local
932 	if (ir_state == NULL)  in cx25840_ir_tx_shutdown()
935 	c = ir_state->c;  in cx25840_ir_tx_shutdown()
936 	mutex_lock(&ir_state->tx_params_lock);  in cx25840_ir_tx_shutdown()
944 	ir_state->tx_params.shutdown = true;  in cx25840_ir_tx_shutdown()
946 	mutex_unlock(&ir_state->tx_params_lock);  in cx25840_ir_tx_shutdown()
953 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_tx_s_parameters()  local
958 	if (ir_state == NULL)  in cx25840_ir_tx_s_parameters()
967 	c = ir_state->c;  in cx25840_ir_tx_s_parameters()
968 	o = &ir_state->tx_params;  in cx25840_ir_tx_s_parameters()
969 	mutex_lock(&ir_state->tx_params_lock);  in cx25840_ir_tx_s_parameters()
1002 	atomic_set(&ir_state->txclk_divider, txclk_divider);  in cx25840_ir_tx_s_parameters()
1030 	mutex_unlock(&ir_state->tx_params_lock);  in cx25840_ir_tx_s_parameters()
1226 	struct cx25840_ir_state *ir_state;  in cx25840_ir_probe()  local
1233 	ir_state = devm_kzalloc(&state->c->dev, sizeof(*ir_state), GFP_KERNEL);  in cx25840_ir_probe()
1234 	if (ir_state == NULL)  in cx25840_ir_probe()
1237 	spin_lock_init(&ir_state->rx_kfifo_lock);  in cx25840_ir_probe()
1238 	if (kfifo_alloc(&ir_state->rx_kfifo,  in cx25840_ir_probe()
1242 	ir_state->c = state->c;  in cx25840_ir_probe()
1243 	state->ir_state = ir_state;  in cx25840_ir_probe()
1247 		cx25840_write4(ir_state->c, CX25840_IR_IRQEN_REG, IRQEN_MSK);  in cx25840_ir_probe()
1249 		cx25840_write4(ir_state->c, CX25840_IR_IRQEN_REG, 0);  in cx25840_ir_probe()
1251 	mutex_init(&ir_state->rx_params_lock);  in cx25840_ir_probe()
1255 	mutex_init(&ir_state->tx_params_lock);  in cx25840_ir_probe()
1265 	struct cx25840_ir_state *ir_state = to_ir_state(sd);  in cx25840_ir_remove()  local
1267 	if (ir_state == NULL)  in cx25840_ir_remove()
1273 	kfifo_free(&ir_state->rx_kfifo);  in cx25840_ir_remove()
1274 	state->ir_state = NULL;  in cx25840_ir_remove()