diff options
Diffstat (limited to 'include/media/rc-core.h')
| -rw-r--r-- | include/media/rc-core.h | 69 |
1 files changed, 53 insertions, 16 deletions
diff --git a/include/media/rc-core.h b/include/media/rc-core.h index 314a1edb6189..aed4272d47f5 100644 --- a/include/media/rc-core.h +++ b/include/media/rc-core.h @@ -17,6 +17,7 @@ #define _RC_CORE #include <linux/spinlock.h> +#include <linux/cdev.h> #include <linux/kfifo.h> #include <linux/time.h> #include <linux/timer.h> @@ -30,9 +31,9 @@ do { \ } while (0) /** - * enum rc_driver_type - type of the RC output + * enum rc_driver_type - type of the RC driver. * - * @RC_DRIVER_SCANCODE: Driver or hardware generates a scancode + * @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, @@ -68,6 +69,33 @@ enum rc_filter_type { }; /** + * struct lirc_fh - represents an open lirc file + * @list: list of open file handles + * @rc: rcdev for this lirc chardev + * @carrier_low: when setting the carrier range, first the low end must be + * set with an ioctl and then the high end with another ioctl + * @send_timeout_reports: report timeouts in lirc raw IR. + * @rawir: queue for incoming raw IR + * @scancodes: queue for incoming decoded scancodes + * @wait_poll: poll struct for lirc device + * @send_mode: lirc mode for sending, either LIRC_MODE_SCANCODE or + * LIRC_MODE_PULSE + * @rec_mode: lirc mode for receiving, either LIRC_MODE_SCANCODE or + * LIRC_MODE_MODE2 + */ +struct lirc_fh { + struct list_head list; + struct rc_dev *rc; + int carrier_low; + bool send_timeout_reports; + DECLARE_KFIFO_PTR(rawir, unsigned int); + DECLARE_KFIFO_PTR(scancodes, struct lirc_scancode); + wait_queue_head_t wait_poll; + u8 send_mode; + u8 rec_mode; +}; + +/** * struct rc_dev - represents a remote control device * @dev: driver model's view of this device * @managed_alloc: devm_rc_allocate_device was used to create rc_dev @@ -106,6 +134,8 @@ enum rc_filter_type { * @keypressed: whether a key is currently pressed * @keyup_jiffies: time (in jiffies) when the current keypress should be released * @timer_keyup: timer for releasing a keypress + * @timer_repeat: timer for autorepeat events. This is needed for CEC, which + * has non-standard repeats. * @last_keycode: keycode of last keypress * @last_protocol: protocol of last keypress * @last_scancode: scancode of last keypress @@ -115,6 +145,15 @@ enum rc_filter_type { * @max_timeout: maximum timeout supported by device * @rx_resolution : resolution (in ns) of input sampler * @tx_resolution: resolution (in ns) of output sampler + * @lirc_dev: lirc device + * @lirc_cdev: lirc char cdev + * @gap_start: time when gap starts + * @gap_duration: duration of initial gap + * @gap: true if we're in a gap + * @lirc_fh_lock: protects lirc_fh list + * @lirc_fh: list of open files + * @registered: set to true by rc_register_device(), false by + * rc_unregister_device * @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. @@ -165,6 +204,7 @@ struct rc_dev { bool keypressed; unsigned long keyup_jiffies; struct timer_list timer_keyup; + struct timer_list timer_repeat; u32 last_keycode; enum rc_proto last_protocol; u32 last_scancode; @@ -174,6 +214,16 @@ struct rc_dev { u32 max_timeout; u32 rx_resolution; u32 tx_resolution; +#ifdef CONFIG_LIRC + struct device lirc_dev; + struct cdev lirc_cdev; + ktime_t gap_start; + u64 gap_duration; + bool gap; + spinlock_t lirc_fh_lock; + struct list_head lirc_fh; +#endif + bool registered; int (*change_protocol)(struct rc_dev *dev, u64 *rc_proto); int (*open)(struct rc_dev *dev); void (*close)(struct rc_dev *dev); @@ -248,20 +298,6 @@ int devm_rc_register_device(struct device *parent, struct rc_dev *dev); */ void rc_unregister_device(struct rc_dev *dev); -/** - * rc_open - Opens a RC device - * - * @rdev: pointer to struct rc_dev. - */ -int rc_open(struct rc_dev *rdev); - -/** - * rc_close - Closes a RC device - * - * @rdev: pointer to struct rc_dev. - */ -void rc_close(struct rc_dev *rdev); - void rc_repeat(struct rc_dev *dev); void rc_keydown(struct rc_dev *dev, enum rc_proto protocol, u32 scancode, u8 toggle); @@ -309,6 +345,7 @@ int ir_raw_event_store_with_filter(struct rc_dev *dev, void ir_raw_event_set_idle(struct rc_dev *dev, bool idle); int ir_raw_encode_scancode(enum rc_proto protocol, u32 scancode, struct ir_raw_event *events, unsigned int max); +int ir_raw_encode_carrier(enum rc_proto protocol); static inline void ir_raw_event_reset(struct rc_dev *dev) { |