diff options
Diffstat (limited to 'include/media/rc-core.h')
| -rw-r--r-- | include/media/rc-core.h | 48 |
1 files changed, 38 insertions, 10 deletions
diff --git a/include/media/rc-core.h b/include/media/rc-core.h index 40188d362486..73ddd721d7ba 100644 --- a/include/media/rc-core.h +++ b/include/media/rc-core.h @@ -32,13 +32,16 @@ do { \ /** * enum rc_driver_type - type of the RC output * - * @RC_DRIVER_SCANCODE: Driver or hardware generates a scancode - * @RC_DRIVER_IR_RAW: Driver or hardware generates pulse/space sequences. - * It needs a Infra-Red pulse/space decoder + * @RC_DRIVER_SCANCODE: Driver or hardware generates a scancode + * @RC_DRIVER_IR_RAW: Driver or hardware generates pulse/space sequences. + * It needs a Infra-Red pulse/space decoder + * @RC_DRIVER_IR_RAW_TX: Device transmitter only, + * driver requires pulse/space data sequence. */ enum rc_driver_type { RC_DRIVER_SCANCODE = 0, RC_DRIVER_IR_RAW, + RC_DRIVER_IR_RAW_TX, }; /** @@ -68,6 +71,7 @@ enum rc_filter_type { * struct rc_dev - represents a remote control device * @dev: driver model's view of this device * @initialized: 1 if the device init has completed, 0 otherwise + * @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 * @input_phys: physical path to the input child device @@ -82,10 +86,13 @@ enum rc_filter_type { * @input_dev: the input child device used to communicate events to userspace * @driver_type: specifies if protocol decoding is done in hardware or software * @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 - * @enabled_wakeup_protocols: bitmask with the enabled RC_BIT_* wakeup protocols + * @wakeup_protocol: the enabled RC_TYPE_* wakeup protocol or + * RC_TYPE_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 @@ -109,8 +116,6 @@ enum rc_filter_type { * @rx_resolution : resolution (in ns) of input sampler * @tx_resolution: resolution (in ns) of output sampler * @change_protocol: allow changing the protocol used on hardware decoders - * @change_wakeup_protocol: allow changing the protocol used for wakeup - * filtering * @open: callback to allow drivers to enable polling/irq when IR input device * is opened. * @close: callback to allow drivers to disable polling/irq when IR input device @@ -125,12 +130,15 @@ enum rc_filter_type { * @s_learning_mode: enable wide band receiver used for learning * @s_carrier_report: enable carrier reports * @s_filter: set the scancode filter - * @s_wakeup_filter: set the wakeup scancode filter + * @s_wakeup_filter: set the wakeup scancode filter. If the mask is zero + * then wakeup should be disabled. wakeup_protocol will be set to + * a valid protocol if mask is nonzero. * @s_timeout: set hardware timeout in ns */ struct rc_dev { struct device dev; atomic_t initialized; + bool managed_alloc; const struct attribute_group *sysfs_groups[5]; const char *input_name; const char *input_phys; @@ -144,10 +152,11 @@ struct rc_dev { struct input_dev *input_dev; enum rc_driver_type driver_type; bool idle; + bool encode_wakeup; u64 allowed_protocols; u64 enabled_protocols; u64 allowed_wakeup_protocols; - u64 enabled_wakeup_protocols; + enum rc_type wakeup_protocol; struct rc_scancode_filter scancode_filter; struct rc_scancode_filter scancode_wakeup_filter; u32 scancode_mask; @@ -167,7 +176,6 @@ struct rc_dev { u32 rx_resolution; u32 tx_resolution; int (*change_protocol)(struct rc_dev *dev, u64 *rc_type); - int (*change_wakeup_protocol)(struct rc_dev *dev, u64 *rc_type); int (*open)(struct rc_dev *dev); void (*close)(struct rc_dev *dev); int (*s_tx_mask)(struct rc_dev *dev, u32 mask); @@ -198,9 +206,19 @@ struct rc_dev { /** * rc_allocate_device - Allocates a RC device * + * @rc_driver_type: specifies the type of the RC output to be allocated * returns a pointer to struct rc_dev. */ -struct rc_dev *rc_allocate_device(void); +struct rc_dev *rc_allocate_device(enum rc_driver_type); + +/** + * devm_rc_allocate_device - Managed RC device allocation + * + * @dev: pointer to struct device + * @rc_driver_type: specifies the type of the RC output to be allocated + * returns a pointer to struct rc_dev. + */ +struct rc_dev *devm_rc_allocate_device(struct device *dev, enum rc_driver_type); /** * rc_free_device - Frees a RC device @@ -217,6 +235,14 @@ void rc_free_device(struct rc_dev *dev); int rc_register_device(struct rc_dev *dev); /** + * devm_rc_register_device - Manageded registering of a RC device + * + * @parent: pointer to struct device. + * @dev: pointer to struct rc_dev. + */ +int devm_rc_register_device(struct device *parent, struct rc_dev *dev); + +/** * rc_unregister_device - Unregisters a RC device * * @dev: pointer to struct rc_dev. @@ -288,6 +314,8 @@ int ir_raw_event_store_edge(struct rc_dev *dev, enum raw_event_type type); 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, + struct ir_raw_event *events, unsigned int max); static inline void ir_raw_event_reset(struct rc_dev *dev) { |