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-rw-r--r--include/media/rc-core.h32
1 files changed, 21 insertions, 11 deletions
diff --git a/include/media/rc-core.h b/include/media/rc-core.h
index 55281b92105a..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,
};
/**
@@ -83,10 +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
@@ -110,8 +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
@@ -126,7 +130,9 @@ 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 {
@@ -146,10 +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;
@@ -169,7 +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);
@@ -200,17 +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);
+struct rc_dev *devm_rc_allocate_device(struct device *dev, enum rc_driver_type);
/**
* rc_free_device - Frees a RC device
@@ -306,6 +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)
{