[media] IR: ene_ir: add support for carrier reports
Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -193,10 +193,11 @@ static int ene_hw_detect(struct ene_device *dev)
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/* Sense current received carrier */
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void ene_rx_sense_carrier(struct ene_device *dev)
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{
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DEFINE_IR_RAW_EVENT(ev);
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int carrier, duty_cycle;
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int period = ene_read_reg(dev, ENE_CIRCAR_PRD);
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int hperiod = ene_read_reg(dev, ENE_CIRCAR_HPRD);
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int carrier, duty_cycle;
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if (!(period & ENE_CIRCAR_PRD_VALID))
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return;
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@ -209,13 +210,16 @@ void ene_rx_sense_carrier(struct ene_device *dev)
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dbg("RX: hardware carrier period = %02x", period);
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dbg("RX: hardware carrier pulse period = %02x", hperiod);
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carrier = 2000000 / period;
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duty_cycle = (hperiod * 100) / period;
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dbg("RX: sensed carrier = %d Hz, duty cycle %d%%",
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carrier, duty_cycle);
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/* TODO: Send carrier & duty cycle to IR layer */
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if (dev->carrier_detect_enabled) {
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ev.carrier_report = true;
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ev.carrier = carrier;
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ev.duty_cycle = duty_cycle;
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ir_raw_event_store(dev->idev, &ev);
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}
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}
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/* this enables/disables the CIR RX engine */
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@ -724,7 +728,7 @@ static irqreturn_t ene_isr(int irq, void *data)
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dbg_verbose("RX interrupt");
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if (dev->carrier_detect_enabled || debug)
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if (dev->hw_learning_and_tx_capable)
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ene_rx_sense_carrier(dev);
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/* On hardware that don't support extra buffer we need to trust
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@ -897,6 +901,23 @@ static int ene_set_learning_mode(void *data, int enable)
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return 0;
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}
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static int ene_set_carrier_report(void *data, int enable)
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{
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struct ene_device *dev = (struct ene_device *)data;
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unsigned long flags;
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if (enable == dev->carrier_detect_enabled)
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return 0;
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spin_lock_irqsave(&dev->hw_lock, flags);
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dev->carrier_detect_enabled = enable;
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ene_rx_disable(dev);
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ene_rx_setup(dev);
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ene_rx_enable(dev);
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spin_unlock_irqrestore(&dev->hw_lock, flags);
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return 0;
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}
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/* outside interface: enable or disable idle mode */
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static void ene_rx_set_idle(void *data, bool idle)
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{
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@ -1029,7 +1050,7 @@ static int ene_probe(struct pnp_dev *pnp_dev, const struct pnp_device_id *id)
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ir_props->s_tx_mask = ene_set_tx_mask;
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ir_props->s_tx_carrier = ene_set_tx_carrier;
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ir_props->s_tx_duty_cycle = ene_set_tx_duty_cycle;
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/* ir_props->s_carrier_report = ene_set_carrier_report; */
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ir_props->s_carrier_report = ene_set_carrier_report;
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}
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ene_setup_hw_buffer(dev);
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