diff options
Diffstat (limited to 'include/media/rc-core.h')
| -rw-r--r-- | include/media/rc-core.h | 72 |
1 files changed, 49 insertions, 23 deletions
diff --git a/include/media/rc-core.h b/include/media/rc-core.h index 78dea39a9b39..314a1edb6189 100644 --- a/include/media/rc-core.h +++ b/include/media/rc-core.h @@ -72,7 +72,7 @@ enum rc_filter_type { * @dev: driver model's view of this device * @managed_alloc: devm_rc_allocate_device was used to create rc_dev * @sysfs_groups: sysfs attribute groups - * @input_name: name of the input child device + * @device_name: name of the rc child device * @input_phys: physical path to the input child device * @input_id: id of the input child device (struct input_id) * @driver_name: name of the hardware driver which registered this device @@ -87,11 +87,12 @@ enum rc_filter_type { * @idle: used to keep track of RX state * @encode_wakeup: wakeup filtering uses IR encode API, therefore the allowed * wakeup protocols is the set of all raw encoders - * @allowed_protocols: bitmask with the supported RC_BIT_* protocols - * @enabled_protocols: bitmask with the enabled RC_BIT_* protocols - * @allowed_wakeup_protocols: bitmask with the supported RC_BIT_* wakeup protocols - * @wakeup_protocol: the enabled RC_TYPE_* wakeup protocol or - * RC_TYPE_UNKNOWN if disabled. + * @allowed_protocols: bitmask with the supported RC_PROTO_BIT_* protocols + * @enabled_protocols: bitmask with the enabled RC_PROTO_BIT_* protocols + * @allowed_wakeup_protocols: bitmask with the supported RC_PROTO_BIT_* wakeup + * protocols + * @wakeup_protocol: the enabled RC_PROTO_* wakeup protocol or + * RC_PROTO_UNKNOWN if disabled. * @scancode_filter: scancode filter * @scancode_wakeup_filter: scancode wakeup filters * @scancode_mask: some hardware decoders are not capable of providing the full @@ -138,10 +139,10 @@ struct rc_dev { struct device dev; bool managed_alloc; const struct attribute_group *sysfs_groups[5]; - const char *input_name; + const char *device_name; const char *input_phys; struct input_id input_id; - char *driver_name; + const char *driver_name; const char *map_name; struct rc_map rc_map; struct mutex lock; @@ -154,7 +155,7 @@ struct rc_dev { u64 allowed_protocols; u64 enabled_protocols; u64 allowed_wakeup_protocols; - enum rc_type wakeup_protocol; + enum rc_proto wakeup_protocol; struct rc_scancode_filter scancode_filter; struct rc_scancode_filter scancode_wakeup_filter; u32 scancode_mask; @@ -165,7 +166,7 @@ struct rc_dev { unsigned long keyup_jiffies; struct timer_list timer_keyup; u32 last_keycode; - enum rc_type last_protocol; + enum rc_proto last_protocol; u32 last_scancode; u8 last_toggle; u32 timeout; @@ -173,7 +174,7 @@ struct rc_dev { u32 max_timeout; u32 rx_resolution; u32 tx_resolution; - int (*change_protocol)(struct rc_dev *dev, u64 *rc_type); + int (*change_protocol)(struct rc_dev *dev, u64 *rc_proto); int (*open)(struct rc_dev *dev); void (*close)(struct rc_dev *dev); int (*s_tx_mask)(struct rc_dev *dev, u32 mask); @@ -262,8 +263,10 @@ int rc_open(struct rc_dev *rdev); void rc_close(struct rc_dev *rdev); void rc_repeat(struct rc_dev *dev); -void rc_keydown(struct rc_dev *dev, enum rc_type protocol, u32 scancode, u8 toggle); -void rc_keydown_notimeout(struct rc_dev *dev, enum rc_type protocol, u32 scancode, u8 toggle); +void rc_keydown(struct rc_dev *dev, enum rc_proto protocol, u32 scancode, + u8 toggle); +void rc_keydown_notimeout(struct rc_dev *dev, enum rc_proto protocol, + u32 scancode, u8 toggle); void rc_keyup(struct rc_dev *dev); u32 rc_g_keycode_from_table(struct rc_dev *dev, u32 scancode); @@ -272,14 +275,6 @@ u32 rc_g_keycode_from_table(struct rc_dev *dev, u32 scancode); * The Raw interface is specific to InfraRed. It may be a good idea to * split it later into a separate header. */ - -enum raw_event_type { - IR_SPACE = (1 << 0), - IR_PULSE = (1 << 1), - IR_START_EVENT = (1 << 2), - IR_STOP_EVENT = (1 << 3), -}; - struct ir_raw_event { union { u32 duration; @@ -308,11 +303,11 @@ static inline void init_ir_raw_event(struct ir_raw_event *ev) void ir_raw_event_handle(struct rc_dev *dev); int ir_raw_event_store(struct rc_dev *dev, struct ir_raw_event *ev); -int ir_raw_event_store_edge(struct rc_dev *dev, enum raw_event_type type); +int ir_raw_event_store_edge(struct rc_dev *dev, bool pulse); int ir_raw_event_store_with_filter(struct rc_dev *dev, struct ir_raw_event *ev); void ir_raw_event_set_idle(struct rc_dev *dev, bool idle); -int ir_raw_encode_scancode(enum rc_type protocol, u32 scancode, +int ir_raw_encode_scancode(enum rc_proto protocol, u32 scancode, struct ir_raw_event *events, unsigned int max); static inline void ir_raw_event_reset(struct rc_dev *dev) @@ -340,4 +335,35 @@ static inline u32 ir_extract_bits(u32 data, u32 mask) return value; } +/* Get NEC scancode and protocol type from address and command bytes */ +static inline u32 ir_nec_bytes_to_scancode(u8 address, u8 not_address, + u8 command, u8 not_command, + enum rc_proto *protocol) +{ + u32 scancode; + + if ((command ^ not_command) != 0xff) { + /* NEC transport, but modified protocol, used by at + * least Apple and TiVo remotes + */ + scancode = not_address << 24 | + address << 16 | + not_command << 8 | + command; + *protocol = RC_PROTO_NEC32; + } else if ((address ^ not_address) != 0xff) { + /* Extended NEC */ + scancode = address << 16 | + not_address << 8 | + command; + *protocol = RC_PROTO_NECX; + } else { + /* Normal NEC */ + scancode = address << 8 | command; + *protocol = RC_PROTO_NEC; + } + + return scancode; +} + #endif /* _RC_CORE */ |