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Diffstat (limited to 'drivers/media/IR/ir-core-priv.h')
-rw-r--r--drivers/media/IR/ir-core-priv.h65
1 files changed, 61 insertions, 4 deletions
diff --git a/drivers/media/IR/ir-core-priv.h b/drivers/media/IR/ir-core-priv.h
index 9a5e65a471a5..a85a8c7c905a 100644
--- a/drivers/media/IR/ir-core-priv.h
+++ b/drivers/media/IR/ir-core-priv.h
@@ -22,17 +22,65 @@
struct ir_raw_handler {
struct list_head list;
+ u64 protocols; /* which are handled by this handler */
int (*decode)(struct input_dev *input_dev, struct ir_raw_event event);
+
+ /* These two should only be used by the lirc decoder */
int (*raw_register)(struct input_dev *input_dev);
int (*raw_unregister)(struct input_dev *input_dev);
};
struct ir_raw_event_ctrl {
- struct work_struct rx_work; /* for the rx decoding workqueue */
+ struct list_head list; /* to keep track of raw clients */
+ struct task_struct *thread;
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 */
+ u64 enabled_protocols; /* enabled raw protocol decoders */
+
+ /* raw decoder state follows */
+ struct ir_raw_event prev_ev;
+ struct ir_raw_event this_ev;
+ struct nec_dec {
+ int state;
+ unsigned count;
+ u32 bits;
+ bool is_nec_x;
+ bool necx_repeat;
+ } nec;
+ struct rc5_dec {
+ int state;
+ u32 bits;
+ unsigned count;
+ unsigned wanted_bits;
+ } rc5;
+ struct rc6_dec {
+ int state;
+ u8 header;
+ u32 body;
+ bool toggle;
+ unsigned count;
+ unsigned wanted_bits;
+ } rc6;
+ struct sony_dec {
+ int state;
+ u32 bits;
+ unsigned count;
+ } sony;
+ struct jvc_dec {
+ int state;
+ u16 bits;
+ u16 old_bits;
+ unsigned count;
+ bool first;
+ bool toggle;
+ } jvc;
+ struct lirc_codec {
+ struct ir_input_dev *ir_dev;
+ struct lirc_driver *drv;
+ int carrier_low;
+ } lirc;
};
/* macros for IR decoders */
@@ -59,10 +107,9 @@ static inline void decrease_duration(struct ir_raw_event *ev, unsigned duration)
ev->duration -= duration;
}
-#define TO_US(duration) (((duration) + 500) / 1000)
+#define TO_US(duration) DIV_ROUND_CLOSEST((duration), 1000)
#define TO_STR(is_pulse) ((is_pulse) ? "pulse" : "space")
#define IS_RESET(ev) (ev.duration == 0)
-
/*
* Routines from ir-sysfs.c - Meant to be called only internally inside
* ir-core
@@ -74,13 +121,15 @@ void ir_unregister_class(struct input_dev *input_dev);
/*
* Routines from ir-raw-event.c to be used internally and by decoders
*/
+u64 ir_raw_get_allowed_protocols(void);
int ir_raw_event_register(struct input_dev *input_dev);
void ir_raw_event_unregister(struct input_dev *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);
-
+int ir_rcmap_init(void);
+void ir_rcmap_cleanup(void);
/*
* Decoder initialization code
*
@@ -123,4 +172,12 @@ void ir_raw_init(void);
#define load_sony_decode() 0
#endif
+/* from ir-lirc-codec.c */
+#ifdef CONFIG_IR_LIRC_CODEC_MODULE
+#define load_lirc_codec() request_module("ir-lirc-codec")
+#else
+#define load_lirc_codec() 0
+#endif
+
+
#endif /* _IR_RAW_EVENT */