media/rc/rc-core-priv.h

1 /* SPDX-License-Identifier: GPL-2.0 */
17 #include <media/rc-core.h>
20  * rc_open - Opens a RC device
27  * rc_close - Closes a RC device
169 	return d1 > (d2 - margin);  in geq_margin()
174 	return ((d1 > (d2 - margin)) && (d1 < (d2 + margin)));  in eq_margin()
179 	return x->pulse != y->pulse;  in is_transition()
182 static inline void decrease_duration(struct ir_raw_event *ev, unsigned duration)  in decrease_duration()  argument
184 	if (duration > ev->duration)  in decrease_duration()
185 		ev->duration = 0;  in decrease_duration()
187 		ev->duration -= duration;  in decrease_duration()
203 					      u32 duration)  in init_ir_raw_event_duration()  argument
206 		.duration = duration,  in init_ir_raw_event_duration()
212  * struct ir_raw_timings_manchester - Manchester coding timings
213  * @leader_pulse:	duration of leader pulse (if any) 0 if continuing
215  * @leader_space:	duration of leader space (if any)
216  * @clock:		duration of each pulse/space in ns
217  * @invert:		if set clock logic is inverted
219  * @trailer_space:	duration of trailer space in ns
224 	unsigned int clock;  member
234  * ir_raw_gen_pulse_space() - generate pulse and space raw events.
239  * @pulse_width:	Width of pulse in ns.
240  * @space_width:	Width of space in ns.
243  *		-ENOBUFS if there isn't enough buffer space to write both raw
252 		return -ENOBUFS;  in ir_raw_gen_pulse_space()
254 	if (!--*max)  in ir_raw_gen_pulse_space()
255 		return -ENOBUFS;  in ir_raw_gen_pulse_space()
257 	--*max;  in ir_raw_gen_pulse_space()
262  * struct ir_raw_timings_pd - pulse-distance modulation timings
263  * @header_pulse:	duration of header pulse in ns (0 for none)
264  * @header_space:	duration of header space in ns
265  * @bit_pulse:		duration of bit pulse in ns
266  * @bit_space:		duration of bit space (for logic 0 and 1) in ns
267  * @trailer_pulse:	duration of trailer pulse in ns
268  * @trailer_space:	duration of trailer space in ns
286  * struct ir_raw_timings_pl - pulse-length modulation timings
287  * @header_pulse:	duration of header pulse in ns (0 for none)
288  * @bit_space:		duration of bit space in ns
289  * @bit_pulse:		duration of bit pulse (for logic 0 and 1) in ns
290  * @trailer_space:	duration of trailer space in ns
306  * Routines from rc-raw.c to be used internally and by decoders