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path: root/drivers/media/rc/rc-core-priv.h
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Diffstat (limited to 'drivers/media/rc/rc-core-priv.h')
-rw-r--r--drivers/media/rc/rc-core-priv.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/media/rc/rc-core-priv.h b/drivers/media/rc/rc-core-priv.h
index b68d4f762734..4b994aa2f2a7 100644
--- a/drivers/media/rc/rc-core-priv.h
+++ b/drivers/media/rc/rc-core-priv.h
@@ -25,6 +25,8 @@ struct ir_raw_handler {
u64 protocols; /* which are handled by this handler */
int (*decode)(struct rc_dev *dev, struct ir_raw_event event);
+ int (*encode)(u64 protocols, const struct rc_scancode_filter *scancode,
+ struct ir_raw_event *events, unsigned int max);
/* These two should only be used by the lirc decoder */
int (*raw_register)(struct rc_dev *dev);
@@ -150,10 +152,44 @@ static inline bool is_timing_event(struct ir_raw_event ev)
#define TO_US(duration) DIV_ROUND_CLOSEST((duration), 1000)
#define TO_STR(is_pulse) ((is_pulse) ? "pulse" : "space")
+/* functions for IR encoders */
+
+static inline void init_ir_raw_event_duration(struct ir_raw_event *ev,
+ unsigned int pulse,
+ u32 duration)
+{
+ init_ir_raw_event(ev);
+ ev->duration = duration;
+ ev->pulse = pulse;
+}
+
+/**
+ * struct ir_raw_timings_manchester - Manchester coding timings
+ * @leader: duration of leader pulse (if any) 0 if continuing
+ * existing signal (see @pulse_space_start)
+ * @pulse_space_start: 1 for starting with pulse (0 for starting with space)
+ * @clock: duration of each pulse/space in ns
+ * @invert: if set clock logic is inverted
+ * (0 = space + pulse, 1 = pulse + space)
+ * @trailer_space: duration of trailer space in ns
+ */
+struct ir_raw_timings_manchester {
+ unsigned int leader;
+ unsigned int pulse_space_start:1;
+ unsigned int clock;
+ unsigned int invert:1;
+ unsigned int trailer_space;
+};
+
+int ir_raw_gen_manchester(struct ir_raw_event **ev, unsigned int max,
+ const struct ir_raw_timings_manchester *timings,
+ unsigned int n, unsigned int data);
+
/*
* Routines from rc-raw.c to be used internally and by decoders
*/
u64 ir_raw_get_allowed_protocols(void);
+u64 ir_raw_get_encode_protocols(void);
int ir_raw_event_register(struct rc_dev *dev);
void ir_raw_event_unregister(struct rc_dev *dev);
int ir_raw_handler_register(struct ir_raw_handler *ir_raw_handler);