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Input: synaptics-rmi4 - fix kerneldoc warnings
Fixes the kerneldoc warnings from building the driver with W=1. Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104162427.2984742-2-lee.jones@linaro.org [dtor: folded together several Lee's patches; added more descriptions] Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Lee Jones
Dmitry Torokhov
parent
4535318657
commit
7e90989141
5 changed files with 149 additions and 115 deletions
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@ -286,7 +286,7 @@ void rmi_unregister_function(struct rmi_function *fn)
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/**
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* rmi_register_function_handler - register a handler for an RMI function
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* @handler: RMI handler that should be registered.
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* @module: pointer to module that implements the handler
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* @owner: pointer to module that implements the handler
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* @mod_name: name of the module implementing the handler
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*
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* This function performs additional setup of RMI function handler and
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@ -103,13 +103,15 @@ struct f01_basic_properties {
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#define RMI_F01_CTRL0_CONFIGURED_BIT BIT(7)
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/**
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* @ctrl0 - see the bit definitions above.
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* @doze_interval - controls the interval between checks for finger presence
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* when the touch sensor is in doze mode, in units of 10ms.
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* @wakeup_threshold - controls the capacitance threshold at which the touch
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* sensor will decide to wake up from that low power state.
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* @doze_holdoff - controls how long the touch sensor waits after the last
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* finger lifts before entering the doze state, in units of 100ms.
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* struct f01_device_control - controls basic sensor functions
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*
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* @ctrl0: see the bit definitions above.
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* @doze_interval: controls the interval between checks for finger presence
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* when the touch sensor is in doze mode, in units of 10ms.
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* @wakeup_threshold: controls the capacitance threshold at which the touch
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* sensor will decide to wake up from that low power state.
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* @doze_holdoff: controls how long the touch sensor waits after the last
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* finger lifts before entering the doze state, in units of 100ms.
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*/
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struct f01_device_control {
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u8 ctrl0;
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@ -30,12 +30,12 @@
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#define DEFAULT_MIN_ABS_MT_TRACKING_ID 1
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#define DEFAULT_MAX_ABS_MT_TRACKING_ID 10
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/** A note about RMI4 F11 register structure.
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/*
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* A note about RMI4 F11 register structure.
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*
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* The properties for
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* a given sensor are described by its query registers. The number of query
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* registers and the layout of their contents are described by the F11 device
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* queries as well as the sensor query information.
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* The properties for a given sensor are described by its query registers. The
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* number of query registers and the layout of their contents are described by
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* the F11 device queries as well as the sensor query information.
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*
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* Similarly, each sensor has control registers that govern its behavior. The
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* size and layout of the control registers for a given sensor can be determined
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@ -62,8 +62,8 @@
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/* maximum ABS_MT_POSITION displacement (in mm) */
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#define DMAX 10
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/**
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* @rezero - writing this to the F11 command register will cause the sensor to
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/*
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* Writing this to the F11 command register will cause the sensor to
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* calibrate to the current capacitive state.
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*/
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#define RMI_F11_REZERO 0x01
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@ -178,135 +178,157 @@
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#define F11_UNIFORM_CLICKPAD 0x02
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/**
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* struct f11_2d_sensor_queries - describes sensor capabilities
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*
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* Query registers 1 through 4 are always present.
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*
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* @nr_fingers - describes the maximum number of fingers the 2-D sensor
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* supports.
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* @has_rel - the sensor supports relative motion reporting.
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* @has_abs - the sensor supports absolute poition reporting.
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* @has_gestures - the sensor supports gesture reporting.
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* @has_sensitivity_adjust - the sensor supports a global sensitivity
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* adjustment.
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* @configurable - the sensor supports various configuration options.
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* @num_of_x_electrodes - the maximum number of electrodes the 2-D sensor
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* supports on the X axis.
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* @num_of_y_electrodes - the maximum number of electrodes the 2-D sensor
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* supports on the Y axis.
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* @max_electrodes - the total number of X and Y electrodes that may be
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* configured.
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* @nr_fingers: describes the maximum number of fingers the 2-D sensor
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* supports.
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* @has_rel: the sensor supports relative motion reporting.
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* @has_abs: the sensor supports absolute poition reporting.
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* @has_gestures: the sensor supports gesture reporting.
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* @has_sensitivity_adjust: the sensor supports a global sensitivity
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* adjustment.
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* @configurable: the sensor supports various configuration options.
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* @nr_x_electrodes: the maximum number of electrodes the 2-D sensor
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* supports on the X axis.
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* @nr_y_electrodes: the maximum number of electrodes the 2-D sensor
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* supports on the Y axis.
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* @max_electrodes: the total number of X and Y electrodes that may be
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* configured.
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*
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* Query 5 is present if the has_abs bit is set.
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*
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* @abs_data_size - describes the format of data reported by the absolute
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* data source. Only one format (the kind used here) is supported at this
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* time.
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* @has_anchored_finger - then the sensor supports the high-precision second
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* finger tracking provided by the manual tracking and motion sensitivity
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* options.
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* @has_adjust_hyst - the difference between the finger release threshold and
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* the touch threshold.
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* @has_dribble - the sensor supports the generation of dribble interrupts,
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* which may be enabled or disabled with the dribble control bit.
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* @has_bending_correction - Bending related data registers 28 and 36, and
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* control register 52..57 are present.
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* @has_large_object_suppression - control register 58 and data register 28
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* exist.
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* @has_jitter_filter - query 13 and control 73..76 exist.
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* @abs_data_size: describes the format of data reported by the absolute
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* data source. Only one format (the kind used here) is supported at this
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* time.
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* @has_anchored_finger: then the sensor supports the high-precision second
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* finger tracking provided by the manual tracking and motion sensitivity
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* options.
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* @has_adj_hyst: the difference between the finger release threshold and
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* the touch threshold.
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* @has_dribble: the sensor supports the generation of dribble interrupts,
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* which may be enabled or disabled with the dribble control bit.
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* @has_bending_correction: Bending related data registers 28 and 36, and
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* control register 52..57 are present.
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* @has_large_object_suppression: control register 58 and data register 28
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* exist.
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* @has_jitter_filter: query 13 and control 73..76 exist.
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*
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* Query 6 is present if the has_rel it is set.
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*
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* @f11_2d_query6: this register is reserved.
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*
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* Gesture information queries 7 and 8 are present if has_gestures bit is set.
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*
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* @has_single_tap - a basic single-tap gesture is supported.
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* @has_tap_n_hold - tap-and-hold gesture is supported.
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* @has_double_tap - double-tap gesture is supported.
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* @has_early_tap - early tap is supported and reported as soon as the finger
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* lifts for any tap event that could be interpreted as either a single tap
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* or as the first tap of a double-tap or tap-and-hold gesture.
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* @has_flick - flick detection is supported.
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* @has_press - press gesture reporting is supported.
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* @has_pinch - pinch gesture detection is supported.
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* @has_palm_det - the 2-D sensor notifies the host whenever a large conductive
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* object such as a palm or a cheek touches the 2-D sensor.
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* @has_rotate - rotation gesture detection is supported.
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* @has_touch_shapes - TouchShapes are supported. A TouchShape is a fixed
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* rectangular area on the sensor that behaves like a capacitive button.
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* @has_scroll_zones - scrolling areas near the sensor edges are supported.
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* @has_individual_scroll_zones - if 1, then 4 scroll zones are supported;
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* if 0, then only two are supported.
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* @has_mf_scroll - the multifinger_scrolling bit will be set when
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* more than one finger is involved in a scrolling action.
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* @has_single_tap: a basic single-tap gesture is supported.
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* @has_tap_n_hold: tap-and-hold gesture is supported.
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* @has_double_tap: double-tap gesture is supported.
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* @has_early_tap: early tap is supported and reported as soon as the finger
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* lifts for any tap event that could be interpreted as either a single
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* tap or as the first tap of a double-tap or tap-and-hold gesture.
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* @has_flick: flick detection is supported.
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* @has_press: press gesture reporting is supported.
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* @has_pinch: pinch gesture detection is supported.
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* @has_chiral: chiral (circular) scrolling gesture detection is supported.
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* @has_palm_det: the 2-D sensor notifies the host whenever a large conductive
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* object such as a palm or a cheek touches the 2-D sensor.
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* @has_rotate: rotation gesture detection is supported.
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* @has_touch_shapes: TouchShapes are supported. A TouchShape is a fixed
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* rectangular area on the sensor that behaves like a capacitive button.
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* @has_scroll_zones: scrolling areas near the sensor edges are supported.
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* @has_individual_scroll_zones: if 1, then 4 scroll zones are supported;
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* if 0, then only two are supported.
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* @has_mf_scroll: the multifinger_scrolling bit will be set when
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* more than one finger is involved in a scrolling action.
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* @has_mf_edge_motion: indicates whether multi-finger edge motion gesture
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* is supported.
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* @has_mf_scroll_inertia: indicates whether multi-finger scroll inertia
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* feature is supported.
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*
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* Convenience for checking bytes in the gesture info registers. This is done
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* often enough that we put it here to declutter the conditionals
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*
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* @query7_nonzero - true if none of the query 7 bits are set
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* @query8_nonzero - true if none of the query 8 bits are set
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* @query7_nonzero: true if none of the query 7 bits are set
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* @query8_nonzero: true if none of the query 8 bits are set
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*
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* Query 9 is present if the has_query9 is set.
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*
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* @has_pen - detection of a stylus is supported and registers F11_2D_Ctrl20
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* and F11_2D_Ctrl21 exist.
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* @has_proximity - detection of fingers near the sensor is supported and
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* registers F11_2D_Ctrl22 through F11_2D_Ctrl26 exist.
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* @has_palm_det_sensitivity - the sensor supports the palm detect sensitivity
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* feature and register F11_2D_Ctrl27 exists.
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* @has_two_pen_thresholds - is has_pen is also set, then F11_2D_Ctrl35 exists.
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* @has_contact_geometry - the sensor supports the use of contact geometry to
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* map absolute X and Y target positions and registers F11_2D_Data18
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* through F11_2D_Data27 exist.
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* @has_pen: detection of a stylus is supported and registers F11_2D_Ctrl20
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* and F11_2D_Ctrl21 exist.
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* @has_proximity: detection of fingers near the sensor is supported and
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* registers F11_2D_Ctrl22 through F11_2D_Ctrl26 exist.
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* @has_palm_det_sensitivity: the sensor supports the palm detect sensitivity
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* feature and register F11_2D_Ctrl27 exists.
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* @has_suppress_on_palm_detect: the device supports the large object detect
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* suppression feature and register F11_2D_Ctrl27 exists.
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* @has_two_pen_thresholds: if has_pen is also set, then F11_2D_Ctrl35 exists.
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* @has_contact_geometry: the sensor supports the use of contact geometry to
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* map absolute X and Y target positions and registers F11_2D_Data18
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* through F11_2D_Data27 exist.
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* @has_pen_hover_discrimination: if has_pen is also set, then registers
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* F11_2D_Data29 through F11_2D_Data31, F11_2D_Ctrl68.*, F11_2D_Ctrl69
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* and F11_2D_Ctrl72 exist.
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* @has_pen_filters: if has_pen is also set, then registers F11_2D_Ctrl70 and
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* F11_2D_Ctrl71 exist.
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*
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* Touch shape info (query 10) is present if has_touch_shapes is set.
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*
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* @nr_touch_shapes - the total number of touch shapes supported.
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* @nr_touch_shapes: the total number of touch shapes supported.
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*
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* Query 11 is present if the has_query11 bit is set in query 0.
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*
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* @has_z_tuning - if set, the sensor supports Z tuning and registers
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* F11_2D_Ctrl29 through F11_2D_Ctrl33 exist.
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* @has_algorithm_selection - controls choice of noise suppression algorithm
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* @has_w_tuning - the sensor supports Wx and Wy scaling and registers
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* F11_2D_Ctrl36 through F11_2D_Ctrl39 exist.
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* @has_pitch_info - the X and Y pitches of the sensor electrodes can be
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* configured and registers F11_2D_Ctrl40 and F11_2D_Ctrl41 exist.
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* @has_finger_size - the default finger width settings for the
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* sensor can be configured and registers F11_2D_Ctrl42 through F11_2D_Ctrl44
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* exist.
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* @has_segmentation_aggressiveness - the sensor’s ability to distinguish
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* multiple objects close together can be configured and register F11_2D_Ctrl45
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* exists.
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* @has_XY_clip - the inactive outside borders of the sensor can be
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* configured and registers F11_2D_Ctrl46 through F11_2D_Ctrl49 exist.
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* @has_drumming_filter - the sensor can be configured to distinguish
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* between a fast flick and a quick drumming movement and registers
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* F11_2D_Ctrl50 and F11_2D_Ctrl51 exist.
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* @has_z_tuning: if set, the sensor supports Z tuning and registers
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* F11_2D_Ctrl29 through F11_2D_Ctrl33 exist.
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* @has_algorithm_selection: controls choice of noise suppression algorithm
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* @has_w_tuning: the sensor supports Wx and Wy scaling and registers
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* F11_2D_Ctrl36 through F11_2D_Ctrl39 exist.
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* @has_pitch_info: the X and Y pitches of the sensor electrodes can be
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* configured and registers F11_2D_Ctrl40 and F11_2D_Ctrl41 exist.
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* @has_finger_size: the default finger width settings for the sensor
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* can be configured and registers F11_2D_Ctrl42 through F11_2D_Ctrl44
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* exist.
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* @has_segmentation_aggressiveness: the sensor’s ability to distinguish
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* multiple objects close together can be configured and register
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* F11_2D_Ctrl45 exists.
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* @has_XY_clip: the inactive outside borders of the sensor can be
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* configured and registers F11_2D_Ctrl46 through F11_2D_Ctrl49 exist.
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* @has_drumming_filter: the sensor can be configured to distinguish
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* between a fast flick and a quick drumming movement and registers
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* F11_2D_Ctrl50 and F11_2D_Ctrl51 exist.
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*
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* Query 12 is present if hasQuery12 bit is set.
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*
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* @has_gapless_finger - control registers relating to gapless finger are
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* present.
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* @has_gapless_finger_tuning - additional control and data registers relating
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* to gapless finger are present.
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* @has_8bit_w - larger W value reporting is supported.
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* @has_adjustable_mapping - TBD
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* @has_info2 - the general info query14 is present
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* @has_physical_props - additional queries describing the physical properties
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* of the sensor are present.
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* @has_finger_limit - indicates that F11 Ctrl 80 exists.
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* @has_linear_coeff - indicates that F11 Ctrl 81 exists.
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* @has_gapless_finger: control registers relating to gapless finger are
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* present.
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* @has_gapless_finger_tuning: additional control and data registers relating
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* to gapless finger are present.
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* @has_8bit_w: larger W value reporting is supported.
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* @has_adjustable_mapping: TBD
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* @has_info2: the general info query14 is present
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* @has_physical_props: additional queries describing the physical properties
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* of the sensor are present.
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* @has_finger_limit: indicates that F11 Ctrl 80 exists.
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* @has_linear_coeff_2: indicates that F11 Ctrl 81 exists.
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*
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* Query 13 is present if Query 5's has_jitter_filter bit is set.
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* @jitter_window_size - used by Design Studio 4.
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* @jitter_filter_type - used by Design Studio 4.
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*
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* @jitter_window_size: used by Design Studio 4.
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* @jitter_filter_type: used by Design Studio 4.
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*
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* Query 14 is present if query 12's has_general_info2 flag is set.
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*
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* @light_control - Indicates what light/led control features are present, if
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* any.
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* @is_clear - if set, this is a clear sensor (indicating direct pointing
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* application), otherwise it's opaque (indicating indirect pointing).
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* @clickpad_props - specifies if this is a clickpad, and if so what sort of
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* mechanism it uses
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* @mouse_buttons - specifies the number of mouse buttons present (if any).
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* @has_advanced_gestures - advanced driver gestures are supported.
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* @light_control: Indicates what light/led control features are present,
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* if any.
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* @is_clear: if set, this is a clear sensor (indicating direct pointing
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* application), otherwise it's opaque (indicating indirect pointing).
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* @clickpad_props: specifies if this is a clickpad, and if so what sort of
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* mechanism it uses
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* @mouse_buttons: specifies the number of mouse buttons present (if any).
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* @has_advanced_gestures: advanced driver gestures are supported.
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*
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* @x_sensor_size_mm: size of the sensor in millimeters on the X axis.
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* @y_sensor_size_mm: size of the sensor in millimeters on the Y axis.
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*/
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struct f11_2d_sensor_queries {
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/* query1 */
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@ -42,6 +42,8 @@
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/**
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* enum rmi_f54_report_type - RMI4 F54 report types
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*
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* @F54_REPORT_NONE: No Image Report.
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*
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* @F54_8BIT_IMAGE: Normalized 8-Bit Image Report. The capacitance variance
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* from baseline for each pixel.
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*
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@ -64,6 +66,10 @@
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* Report. Set Low reference to its minimum value and high
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* references to its maximum value, then report the raw
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* capacitance for each pixel.
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*
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* @F54_MAX_REPORT_TYPE:
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* Maximum number of Report Types. Used for sanity
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* checking.
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*/
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enum rmi_f54_report_type {
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F54_REPORT_NONE = 0,
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@ -17,12 +17,16 @@
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* struct rmi_i2c_xport - stores information for i2c communication
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*
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* @xport: The transport interface structure
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* @client: The I2C client device structure
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*
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* @page_mutex: Locks current page to avoid changing pages in unexpected ways.
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* @page: Keeps track of the current virtual page
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*
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* @tx_buf: Buffer used for transmitting data to the sensor over i2c.
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* @tx_buf_size: Size of the buffer
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*
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* @supplies: Array of voltage regulators
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* @startup_delay: Milliseconds to pause after powering up the regulators
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*/
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struct rmi_i2c_xport {
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struct rmi_transport_dev xport;
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