/*
* Remote Controller core header
*
- * Copyright (C) 2009-2010 by Mauro Carvalho Chehab <mchehab@redhat.com>
+ * Copyright (C) 2009-2010 by Mauro Carvalho Chehab
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
RC_DRIVER_IR_RAW, /* Needs a Infra-Red pulse/space decoder */
};
+/**
+ * struct rc_scancode_filter - Filter scan codes.
+ * @data: Scancode data to match.
+ * @mask: Mask of bits of scancode to compare.
+ */
+struct rc_scancode_filter {
+ u32 data;
+ u32 mask;
+};
+
+/**
+ * enum rc_filter_type - Filter type constants.
+ * @RC_FILTER_NORMAL: Filter for normal operation.
+ * @RC_FILTER_WAKEUP: Filter for waking from suspend.
+ * @RC_FILTER_MAX: Number of filter types.
+ */
+enum rc_filter_type {
+ RC_FILTER_NORMAL = 0,
+ RC_FILTER_WAKEUP,
+
+ RC_FILTER_MAX
+};
+
/**
* struct rc_dev - represents a remote control device
* @dev: driver model's view of this device
+ * @sysfs_groups: sysfs attribute groups
* @input_name: name of the input child device
* @input_phys: physical path to the input child device
* @input_id: id of the input child device (struct input_id)
* @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
- * @allowed_protos: bitmask with the supported RC_BIT_* protocols
- * @enabled_protocols: bitmask with the enabled RC_BIT_* protocols
+ * @allowed_protocols: bitmask with the supported RC_BIT_* protocols for each
+ * filter type
+ * @enabled_protocols: bitmask with the enabled RC_BIT_* protocols for each
+ * filter type
* @scanmask: some hardware decoders are not capable of providing the full
* scancode to the application. As this is a hardware limit, we can't do
* anything with it. Yet, as the same keycode table can be used with other
* @max_timeout: maximum timeout supported by device
* @rx_resolution : resolution (in ns) of input sampler
* @tx_resolution: resolution (in ns) of output sampler
+ * @scancode_filters: scancode filters (indexed by enum rc_filter_type)
* @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
* 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
+ * @s_filter: set the scancode filter
+ * @s_wakeup_filter: set the wakeup scancode filter
*/
struct rc_dev {
struct device dev;
+ const struct attribute_group *sysfs_groups[5];
const char *input_name;
const char *input_phys;
struct input_id input_id;
struct input_dev *input_dev;
enum rc_driver_type driver_type;
bool idle;
- u64 allowed_protos;
- u64 enabled_protocols;
+ u64 allowed_protocols[RC_FILTER_MAX];
+ u64 enabled_protocols[RC_FILTER_MAX];
u32 users;
u32 scanmask;
void *priv;
u32 max_timeout;
u32 rx_resolution;
u32 tx_resolution;
+ struct rc_scancode_filter scancode_filters[RC_FILTER_MAX];
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);
void (*s_idle)(struct rc_dev *dev, bool enable);
int (*s_learning_mode)(struct rc_dev *dev, int enable);
int (*s_carrier_report) (struct rc_dev *dev, int enable);
+ int (*s_filter)(struct rc_dev *dev,
+ struct rc_scancode_filter *filter);
+ int (*s_wakeup_filter)(struct rc_dev *dev,
+ struct rc_scancode_filter *filter);
};
#define to_rc_dev(d) container_of(d, struct rc_dev, dev)
+static inline bool rc_protocols_allowed(struct rc_dev *rdev, u64 protos)
+{
+ return rdev->allowed_protocols[RC_FILTER_NORMAL] & protos;
+}
+
+/* should be called prior to registration or with mutex held */
+static inline void rc_set_allowed_protocols(struct rc_dev *rdev, u64 protos)
+{
+ rdev->allowed_protocols[RC_FILTER_NORMAL] = protos;
+}
+
+static inline bool rc_protocols_enabled(struct rc_dev *rdev, u64 protos)
+{
+ return rdev->enabled_protocols[RC_FILTER_NORMAL] & protos;
+}
+
+/* should be called prior to registration or with mutex held */
+static inline void rc_set_enabled_protocols(struct rc_dev *rdev, u64 protos)
+{
+ rdev->enabled_protocols[RC_FILTER_NORMAL] = protos;
+}
+
+/* should be called prior to registration or with mutex held */
+static inline void rc_set_allowed_wakeup_protocols(struct rc_dev *rdev,
+ u64 protos)
+{
+ rdev->allowed_protocols[RC_FILTER_WAKEUP] = protos;
+}
+
+/* should be called prior to registration or with mutex held */
+static inline void rc_set_enabled_wakeup_protocols(struct rc_dev *rdev,
+ u64 protos)
+{
+ rdev->enabled_protocols[RC_FILTER_WAKEUP] = protos;
+}
+
/*
* From rc-main.c
* Those functions can be used on any type of Remote Controller. They
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