1 files changed, 36 insertions, 11 deletions

diff --git a/include/media/ir-core.h b/include/media/ir-core.h
index e9fa94fe2ef5..e9a0cbf67ff6 100644
--- a/include/media/ir-core.h
+++ b/include/media/ir-core.h
@@ -65,14 +65,12 @@ struct ir_dev_props {
         void                    (*close)(void *priv);
 };
 
-struct ir_raw_event {
-        struct timespec         delta;  /* Time spent before event */
-        enum raw_event_type     type;   /* event type */
-};
-
 struct ir_raw_event_ctrl {
-        struct kfifo                    kfifo;          /* fifo for the pulse/space events */
-        struct timespec                 last_event;     /* when last event occurred */
+        struct work_struct              rx_work;        /* for the rx decoding workqueue */
+        struct kfifo                    kfifo;          /* fifo for the pulse/space durations */
+        ktime_t                         last_event;     /* when last event occurred */
+        enum raw_event_type             last_type;      /* last event type */
+        struct input_dev                *input_dev;     /* pointer to the parent input_dev */
 };
 
 struct ir_input_dev {
@@ -97,8 +95,7 @@ struct ir_input_dev {
 struct ir_raw_handler {
         struct list_head list;
 
-        int (*decode)(struct input_dev *input_dev,
-                      struct ir_raw_event *ev);
+        int (*decode)(struct input_dev *input_dev, s64 duration);
         int (*raw_register)(struct input_dev *input_dev);
         int (*raw_unregister)(struct input_dev *input_dev);
 };
@@ -154,8 +151,14 @@ void ir_unregister_class(struct input_dev *input_dev);
 /* Routines from ir-raw-event.c */
 int ir_raw_event_register(struct input_dev *input_dev);
 void ir_raw_event_unregister(struct input_dev *input_dev);
-int ir_raw_event_store(struct input_dev *input_dev, enum raw_event_type type);
-int ir_raw_event_handle(struct input_dev *input_dev);
+void ir_raw_event_handle(struct input_dev *input_dev);
+int ir_raw_event_store(struct input_dev *input_dev, s64 duration);
+int ir_raw_event_store_edge(struct input_dev *input_dev, enum raw_event_type type);
+static inline void ir_raw_event_reset(struct input_dev *input_dev)
+{
+        ir_raw_event_store(input_dev, 0);
+        ir_raw_event_handle(input_dev);
+}
 int ir_raw_handler_register(struct ir_raw_handler *ir_raw_handler);
 void ir_raw_handler_unregister(struct ir_raw_handler *ir_raw_handler);
 void ir_raw_init(void);
@@ -174,4 +177,26 @@ void ir_raw_init(void);
 #define load_rc5_decode()       0
 #endif
 
+/* macros for ir decoders */
+#define PULSE(units)                            ((units))
+#define SPACE(units)                            (-(units))
+#define IS_RESET(duration)                      ((duration) == 0)
+#define IS_PULSE(duration)                      ((duration) > 0)
+#define IS_SPACE(duration)                      ((duration) < 0)
+#define DURATION(duration)                      (abs((duration)))
+#define IS_TRANSITION(x, y)                     ((x) * (y) < 0)
+#define DECREASE_DURATION(duration, amount)                     \
+        do {                                                    \
+                if (IS_SPACE(duration))                         \
+                        duration += (amount);                   \
+                else if (IS_PULSE(duration))                    \
+                        duration -= (amount);                   \
+        } while (0)
+
+#define TO_UNITS(duration, unit_len)                            \
+        ((int)((duration) > 0 ?                                 \
+                DIV_ROUND_CLOSEST(abs((duration)), (unit_len)) :\
+                -DIV_ROUND_CLOSEST(abs((duration)), (unit_len))))
+#define TO_US(duration)         ((int)TO_UNITS(duration, 1000))
+
 #endif /* _IR_CORE */