summaryrefslogtreecommitdiffstats
path: root/include/media/ir-core.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/media/ir-core.h')
-rw-r--r--include/media/ir-core.h41
1 files changed, 36 insertions, 5 deletions
diff --git a/include/media/ir-core.h b/include/media/ir-core.h
index 513e60dd1010..eb7fddf8f607 100644
--- a/include/media/ir-core.h
+++ b/include/media/ir-core.h
@@ -41,6 +41,11 @@ enum rc_driver_type {
* anything with it. Yet, as the same keycode table can be used with other
* devices, a mask is provided to allow its usage. Drivers should generally
* leave this field in blank
+ * @timeout: optional time after which device stops sending data
+ * @min_timeout: minimum timeout supported by device
+ * @max_timeout: maximum timeout supported by device
+ * @rx_resolution : resolution (in ns) of input sampler
+ * @tx_resolution: resolution (in ns) of output sampler
* @priv: driver-specific data, to be used on the callbacks
* @change_protocol: allow changing the protocol used on hardware decoders
* @open: callback to allow drivers to enable polling/irq when IR input device
@@ -49,19 +54,36 @@ enum rc_driver_type {
* is opened.
* @s_tx_mask: set transmitter mask (for devices with multiple tx outputs)
* @s_tx_carrier: set transmit carrier frequency
+ * @s_tx_duty_cycle: set transmit duty cycle (0% - 100%)
+ * @s_rx_carrier: inform driver about carrier it is expected to handle
* @tx_ir: transmit IR
+ * @s_idle: optional: enable/disable hardware idle mode, upon which,
+ device doesn't interrupt host until it sees IR pulses
+ * @s_learning_mode: enable wide band receiver used for learning
*/
struct ir_dev_props {
enum rc_driver_type driver_type;
unsigned long allowed_protos;
u32 scanmask;
+
+ u32 timeout;
+ u32 min_timeout;
+ u32 max_timeout;
+
+ u32 rx_resolution;
+ u32 tx_resolution;
+
void *priv;
int (*change_protocol)(void *priv, u64 ir_type);
int (*open)(void *priv);
void (*close)(void *priv);
int (*s_tx_mask)(void *priv, u32 mask);
int (*s_tx_carrier)(void *priv, u32 carrier);
+ int (*s_tx_duty_cycle)(void *priv, u32 duty_cycle);
+ int (*s_rx_carrier_range)(void *priv, u32 min, u32 max);
int (*tx_ir)(void *priv, int *txbuf, u32 n);
+ void (*s_idle)(void *priv, int enable);
+ int (*s_learning_mode)(void *priv, int enable);
};
struct ir_input_dev {
@@ -69,9 +91,10 @@ struct ir_input_dev {
char *driver_name; /* Name of the driver module */
struct ir_scancode_table rc_tab; /* scan/key table */
unsigned long devno; /* device number */
- const struct ir_dev_props *props; /* Device properties */
+ struct ir_dev_props *props; /* Device properties */
struct ir_raw_event_ctrl *raw; /* for raw pulse/space events */
struct input_dev *input_dev; /* the input device associated with this device */
+ bool idle;
/* key info - needed by IR keycode handlers */
spinlock_t keylock; /* protects the below members */
@@ -95,12 +118,12 @@ enum raw_event_type {
/* From ir-keytable.c */
int __ir_input_register(struct input_dev *dev,
const struct ir_scancode_table *ir_codes,
- const struct ir_dev_props *props,
+ struct ir_dev_props *props,
const char *driver_name);
static inline int ir_input_register(struct input_dev *dev,
const char *map_name,
- const struct ir_dev_props *props,
+ struct ir_dev_props *props,
const char *driver_name) {
struct ir_scancode_table *ir_codes;
struct ir_input_dev *ir_dev;
@@ -110,8 +133,12 @@ static inline int ir_input_register(struct input_dev *dev,
return -EINVAL;
ir_codes = get_rc_map(map_name);
- if (!ir_codes)
- return -EINVAL;
+ if (!ir_codes) {
+ ir_codes = get_rc_map(RC_MAP_EMPTY);
+
+ if (!ir_codes)
+ return -EINVAL;
+ }
rc = __ir_input_register(dev, ir_codes, props, driver_name);
if (rc < 0)
@@ -144,6 +171,10 @@ struct ir_raw_event {
void ir_raw_event_handle(struct input_dev *input_dev);
int ir_raw_event_store(struct input_dev *input_dev, struct ir_raw_event *ev);
int ir_raw_event_store_edge(struct input_dev *input_dev, enum raw_event_type type);
+int ir_raw_event_store_with_filter(struct input_dev *input_dev,
+ struct ir_raw_event *ev);
+void ir_raw_event_set_idle(struct input_dev *input_dev, int idle);
+
static inline void ir_raw_event_reset(struct input_dev *input_dev)
{
struct ir_raw_event ev = { .pulse = false, .duration = 0 };