diff options
Diffstat (limited to 'drivers/media/IR/ir-core-priv.h')
| -rw-r--r-- | drivers/media/IR/ir-core-priv.h | 87 |
1 files changed, 82 insertions, 5 deletions
diff --git a/drivers/media/IR/ir-core-priv.h b/drivers/media/IR/ir-core-priv.h index 9a5e65a471a5..81c936bd793f 100644 --- a/drivers/media/IR/ir-core-priv.h +++ b/drivers/media/IR/ir-core-priv.h @@ -17,22 +17,84 @@ #define _IR_RAW_EVENT #include <linux/slab.h> +#include <linux/spinlock.h> #include <media/ir-core.h> 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; + spinlock_t lock; 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 rc5_sz_dec { + int state; + u32 bits; + unsigned count; + unsigned wanted_bits; + } rc5_sz; + struct lirc_codec { + struct ir_input_dev *ir_dev; + struct lirc_driver *drv; + int carrier_low; + + ktime_t gap_start; + u64 gap_duration; + bool gap; + bool send_timeout_reports; + + } lirc; }; /* macros for IR decoders */ @@ -59,14 +121,19 @@ static inline void decrease_duration(struct ir_raw_event *ev, unsigned duration) ev->duration -= duration; } -#define TO_US(duration) (((duration) + 500) / 1000) -#define TO_STR(is_pulse) ((is_pulse) ? "pulse" : "space") -#define IS_RESET(ev) (ev.duration == 0) +/* Returns true if event is normal pulse/space event */ +static inline bool is_timing_event(struct ir_raw_event ev) +{ + return !ev.carrier_report && !ev.reset; +} +#define TO_US(duration) DIV_ROUND_CLOSEST((duration), 1000) +#define TO_STR(is_pulse) ((is_pulse) ? "pulse" : "space") /* * Routines from ir-sysfs.c - Meant to be called only internally inside * ir-core */ +int ir_register_input(struct input_dev *input_dev); int ir_register_class(struct input_dev *input_dev); void ir_unregister_class(struct input_dev *input_dev); @@ -74,13 +141,15 @@ 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 +192,12 @@ 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 */ |