diff options
Diffstat (limited to 'include/media/ir-core.h')
| -rw-r--r-- | include/media/ir-core.h | 86 |
1 files changed, 76 insertions, 10 deletions
diff --git a/include/media/ir-core.h b/include/media/ir-core.h index ad1303f..6dc37fa 100644 --- a/include/media/ir-core.h +++ b/include/media/ir-core.h @@ -41,21 +41,51 @@ 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 * is opened. * @close: callback to allow drivers to disable polling/irq when IR input device * 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 + * @s_carrier_report: enable carrier reports */ struct ir_dev_props { enum rc_driver_type driver_type; unsigned long allowed_protos; u32 scanmask; - void *priv; + + 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, bool enable); + int (*s_learning_mode)(void *priv, int enable); + int (*s_carrier_report) (void *priv, int enable); }; struct ir_input_dev { @@ -63,9 +93,10 @@ 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 */ @@ -89,12 +120,12 @@ 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; @@ -104,8 +135,12 @@ 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) @@ -124,23 +159,54 @@ void ir_input_unregister(struct input_dev *input_dev); void ir_repeat(struct input_dev *dev); void ir_keydown(struct input_dev *dev, int scancode, u8 toggle); +void ir_keyup(struct ir_input_dev *ir); u32 ir_g_keycode_from_table(struct input_dev *input_dev, u32 scancode); /* From ir-raw-event.c */ struct ir_raw_event { - unsigned pulse:1; - unsigned duration:31; + union { + u32 duration; + + struct { + u32 carrier; + u8 duty_cycle; + }; + }; + + unsigned pulse:1; + unsigned reset:1; + unsigned timeout:1; + unsigned carrier_report:1; }; -#define IR_MAX_DURATION 0x7FFFFFFF /* a bit more than 2 seconds */ +#define DEFINE_IR_RAW_EVENT(event) \ + struct ir_raw_event event = { \ + { .duration = 0 } , \ + .pulse = 0, \ + .reset = 0, \ + .timeout = 0, \ + .carrier_report = 0 } + +static inline void init_ir_raw_event(struct ir_raw_event *ev) +{ + memset(ev, 0, sizeof(*ev)); +} + +#define IR_MAX_DURATION 0xFFFFFFFF /* a bit more than 4 seconds */ 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, bool idle); + static inline void ir_raw_event_reset(struct input_dev *input_dev) { - struct ir_raw_event ev = { .pulse = false, .duration = 0 }; + DEFINE_IR_RAW_EVENT(ev); + ev.reset = true; + ir_raw_event_store(input_dev, &ev); ir_raw_event_handle(input_dev); } |
