media/rc/mceusb.c

82 #define MCE_CMD_SETIRCFS	0x06	/* Set tx carrier, 4 bytes */
89 #define MCE_CMD_GETIRCFS	0x07	/* Get carrier */
105 #define MCE_RSP_EQIRCFS		0x06	/* tx carrier, 4 bytes */
111 #define MCE_RSP_EQIRRXCFCNT	0x15	/* rx carrier count, 4 bytes */
198 	 *     2, rx2 which under counts IR carrier cycles
494 	u32 carrier;
509 	/* receiver carrier frequency detection support */
603 	u32 carrier, period;
705 				dev_dbg(dev, "%s: no carrier", inout);
715 			carrier = USEC_PER_SEC / period;
716 			dev_dbg(dev, "%s carrier of %u Hz (period %uus)",
717 				 inout, carrier, period);
720 			dev_dbg(dev, "Get carrier mode and freq");
748 				dev_dbg(dev, "RX carrier cycle count: %d",
1031 /* Sets the send carrier frequency and mode */
1032 static int mceusb_set_tx_carrier(struct rc_dev *dev, u32 carrier)
1041 	if (ir->carrier != carrier) {
1043 		if (carrier == 0) {
1044 			ir->carrier = carrier;
1047 			dev_dbg(ir->dev, "disabling carrier modulation");
1053 			divisor = (clk >> (2 * prescaler)) / carrier;
1055 				ir->carrier = carrier;
1058 				dev_dbg(ir->dev, "requesting %u HZ carrier",
1059 								carrier);
1061 				/* Transmit new carrier to mce device */
1120  * Enable/disable receiver carrier frequency pass through reporting.
1121  * Only the short-range receiver has carrier frequency measuring capability.
1122  * Implicitly select this receiver when enabling carrier frequency reporting.
1130 	dev_dbg(ir->dev, "%s short-range receiver carrier reporting",
1214 		 * The carrier cycle counter can overflow and wrap around
1225 			 * Adjust carrier cycle count by adding
1230 			rawir.carrier = (1000000u / MCE_TIME_UNIT) *
1233 			dev_dbg(ir->dev, "RX carrier frequency %u Hz (pulse count = %u, cycles = %u, duration = %u, rx2 = %u)",
1234 				rawir.carrier, ir->pulse_count, carrier_cycles,
1484 	/* get the carrier and frequency */