rc/img-ir/img-ir-hw.c

9  * translation functions to set up the hardware decoder and interpret the
58  * The decoder generates rapid interrupts without actually having
311  * img_ir_decoder_preprocess() - Preprocess timings in decoder.
312  * @decoder:	Decoder to be preprocessed.
317 static void img_ir_decoder_preprocess(struct img_ir_decoder *decoder)
320 	if (!decoder->tolerance)
321 		decoder->tolerance = 10; /* percent */
323 	decoder->tolerance = decoder->tolerance * 128 / 100;
326 	img_ir_timings_preprocess(&decoder->timings, decoder->unit);
329 	if (decoder->repeat) {
330 		img_ir_timings_preprocess(&decoder->rtimings, decoder->unit);
331 		img_ir_timings_defaults(&decoder->rtimings, &decoder->timings);
336  * img_ir_decoder_convert() - Generate internal timings in decoder.
337  * @decoder:	Decoder to be converted to internal timings.
344 static void img_ir_decoder_convert(const struct img_ir_decoder *decoder,
349 	reg_timings->ctrl = img_ir_control(&decoder->control);
352 	img_ir_timings_convert(&reg_timings->timings, &decoder->timings,
353 			       decoder->tolerance, clock_hz);
356 	if (decoder->repeat)
358 				       &decoder->rtimings, decoder->tolerance,
478 	/* current decoder must support scancode filtering */
479 	if (!hw->decoder || !hw->decoder->filter) {
489 		ret = hw->decoder->filter(sc_filter, &filter,
493 		ret = hw->decoder->filter(sc_filter, &filter,
534  * img_ir_set_decoder() - Set the current decoder.
536  * @decoder:	Decoder to use with immediate effect.
537  * @proto:	Protocol bitmap (or 0 to use decoder->type).
540 			       const struct img_ir_decoder *decoder,
597 	/* switch decoder */
598 	hw->decoder = decoder;
599 	if (!decoder)
604 		proto = decoder->type;
608 	img_ir_decoder_convert(decoder, &hw->reg_timings, hw->clk_hz);
620  * img_ir_decoder_compatible() - Find whether a decoder will work with a device.
640  * img_ir_allowed_protos() - Get allowed protocols from global decoder list.
690 	if (!hw->decoder || !hw->decoder->filter)
818 	const struct img_ir_decoder *dec = hw->decoder;
878  * img-ir decoder.
913 	if (hw->decoder) {
914 		img_ir_decoder_convert(hw->decoder, &hw->reg_timings,
960 	/* use the current decoder */
961 	if (!hw->decoder)
964 	ct = hw->decoder->control.code_type;
974 		 * received by the decoder.
975 		 * The decoder generates rapid interrupts without actually
1011 	/* Use the first available decoder (or disable stuff if NULL) */
1072 	/* Allocate hardware decoder */
1086 	/* Register hardware decoder */