Sync up with mainline to bring in updates to shared infrastructure.
Atmel maXTouch touchscreen or touchpads such as the mXT244
and similar devices.
+allOf:
+ - $ref: input.yaml#
+
properties:
compatible:
const: atmel,maxtouch
or experiment to determine which bit corresponds to which input. Use
KEY_RESERVED for unused padding values.
+ linux,keycodes:
+ minItems: 1
+ maxItems: 8
+
atmel,wakeup-method:
$ref: /schemas/types.yaml#/definitions/uint32
description: |
$id: http://devicetree.org/schemas/input/azoteq,iqs7222.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
-title: Azoteq IQS7222A/B/C Capacitive Touch Controller
+title: Azoteq IQS7222A/B/C/D Capacitive Touch Controller
maintainers:
- Jeff LaBundy <jeff@labundy.com>
description: |
- The Azoteq IQS7222A, IQS7222B and IQS7222C are multichannel capacitive touch
- controllers that feature additional sensing capabilities.
+ The Azoteq IQS7222A, IQS7222B, IQS7222C and IQS7222D are multichannel
+ capacitive touch controllers that feature additional sensing capabilities.
Link to datasheets: https://www.azoteq.com/
- azoteq,iqs7222a
- azoteq,iqs7222b
- azoteq,iqs7222c
+ - azoteq,iqs7222d
reg:
maxItems: 1
maximum: 3000
description: Specifies the report rate (in ms) during ultra-low-power mode.
+ touchscreen-size-x: true
+ touchscreen-size-y: true
+ touchscreen-inverted-x: true
+ touchscreen-inverted-y: true
+ touchscreen-swapped-x-y: true
+
+ trackpad:
+ type: object
+ description: Represents all channels associated with the trackpad.
+
+ properties:
+ azoteq,channel-select:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 1
+ maxItems: 12
+ items:
+ minimum: 0
+ maximum: 13
+ description:
+ Specifies the order of the channels that participate in the trackpad.
+ Specify 255 to omit a given channel for the purpose of mapping a non-
+ rectangular trackpad.
+
+ azoteq,num-rows:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 1
+ maximum: 12
+ description: Specifies the number of rows that comprise the trackpad.
+
+ azoteq,num-cols:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 1
+ maximum: 12
+ description: Specifies the number of columns that comprise the trackpad.
+
+ azoteq,top-speed:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ multipleOf: 4
+ minimum: 0
+ maximum: 1020
+ description:
+ Specifies the speed (in coordinates traveled per conversion) after
+ which coordinate filtering is no longer applied.
+
+ azoteq,bottom-speed:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 255
+ description:
+ Specifies the speed (in coordinates traveled per conversion) after
+ which coordinate filtering is linearly reduced.
+
+ azoteq,use-prox:
+ type: boolean
+ description:
+ Directs the trackpad to respond to the proximity states of the
+ selected channels instead of their corresponding touch states.
+ Note the trackpad cannot report granular coordinates during a
+ state of proximity.
+
+ patternProperties:
+ "^azoteq,lower-cal-(x|y)$":
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 255
+ description: Specifies the trackpad's lower starting points.
+
+ "^azoteq,upper-cal-(x|y)$":
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 255
+ description: Specifies the trackpad's upper starting points.
+
+ "^event-(press|tap|(swipe|flick)-(x|y)-(pos|neg))$":
+ type: object
+ $ref: input.yaml#
+ description:
+ Represents a press or gesture event reported by the trackpad. Specify
+ 'linux,code' under the press event to report absolute coordinates.
+
+ properties:
+ linux,code: true
+
+ azoteq,gesture-angle-tighten:
+ type: boolean
+ description:
+ Limits the tangent of the gesture angle to 0.5 (axial gestures
+ only). If specified in one direction, the effect is applied in
+ either direction.
+
+ azoteq,gesture-max-ms:
+ multipleOf: 16
+ minimum: 0
+ maximum: 4080
+ description:
+ Specifies the length of time (in ms) within which a tap, swipe
+ or flick gesture must be completed in order to be acknowledged
+ by the device. The number specified for any one swipe or flick
+ gesture applies to all other swipe or flick gestures.
+
+ azoteq,gesture-min-ms:
+ multipleOf: 16
+ minimum: 0
+ maximum: 4080
+ description:
+ Specifies the length of time (in ms) for which a tap gesture must
+ be held in order to be acknowledged by the device.
+
+ azoteq,gesture-dist:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 65535
+ description:
+ Specifies the distance (in coordinates) across which a swipe or
+ flick gesture must travel in order to be acknowledged by the
+ device. The number specified for any one swipe or flick gesture
+ applies to all remaining swipe or flick gestures.
+
+ For tap gestures, this property specifies the distance from the
+ original point of contact across which the contact is permitted
+ to travel before the gesture is rejected by the device.
+
+ azoteq,gpio-select:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 1
+ maxItems: 3
+ items:
+ minimum: 0
+ maximum: 2
+ description: |
+ Specifies one or more GPIO mapped to the event as follows:
+ 0: GPIO0
+ 1: GPIO3
+ 2: GPIO4
+
+ Note that although multiple events can be mapped to a single
+ GPIO, they must all be of the same type (proximity, touch or
+ trackpad gesture).
+
+ additionalProperties: false
+
+ required:
+ - azoteq,channel-select
+
+ additionalProperties: false
+
patternProperties:
"^cycle-[0-9]$":
type: object
Activates the reference channel in response to proximity events
instead of touch events.
+ azoteq,counts-filt-enable:
+ type: boolean
+ description: Applies counts filtering to the channel.
+
azoteq,ati-band:
$ref: /schemas/types.yaml#/definitions/uint32
enum: [0, 1, 2, 3]
description: |
Specifies one or more GPIO mapped to the event as follows:
0: GPIO0
- 1: GPIO3 (IQS7222C only)
- 2: GPIO4 (IQS7222C only)
+ 1: GPIO3
+ 2: GPIO4
Note that although multiple events can be mapped to a single
GPIO, they must all be of the same type (proximity, touch or
- slider gesture).
+ slider/trackpad gesture).
azoteq,thresh:
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 0
maximum: 65535
description:
- Specifies the speed of movement after which coordinate filtering is
- no longer applied.
+ Specifies the speed (in coordinates traveled per conversion) after
+ which coordinate filtering is no longer applied.
azoteq,bottom-speed:
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 0
maximum: 255
description:
- Specifies the speed of movement after which coordinate filtering is
- linearly reduced.
+ Specifies the speed (in coordinates traveled per conversion) after
+ which coordinate filtering is linearly reduced.
azoteq,bottom-beta:
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 0
maximum: 4080
description:
- Specifies the distance across which a swipe or flick gesture must
- travel in order to be acknowledged by the device. The number spec-
- ified for any one swipe or flick gesture applies to all remaining
- swipe or flick gestures.
+ Specifies the distance (in coordinates) across which a swipe or
+ flick gesture must travel in order to be acknowledged by the
+ device. The number specified for any one swipe or flick gesture
+ applies to all remaining swipe or flick gestures.
azoteq,gpio-select:
$ref: /schemas/types.yaml#/definitions/uint32-array
description: |
Specifies one or more GPIO mapped to the event as follows:
0: GPIO0
- 1: GPIO3 (IQS7222C only)
- 2: GPIO4 (IQS7222C only)
+ 1: GPIO3
+ 2: GPIO4
Note that although multiple events can be mapped to a single
GPIO, they must all be of the same type (proximity, touch or
description: |
Represents a GPIO mapped to one or more events as follows:
gpio-0: GPIO0
- gpio-1: GPIO3 (IQS7222C only)
- gpio-2: GPIO4 (IQS7222C only)
+ gpio-1: GPIO3
+ gpio-2: GPIO4
allOf:
- $ref: ../pinctrl/pincfg-node.yaml#
additionalProperties: false
allOf:
+ - $ref: touchscreen/touchscreen.yaml#
+
- if:
properties:
compatible:
contains:
- const: azoteq,iqs7222b
+ enum:
+ - azoteq,iqs7222a
+ - azoteq,iqs7222b
+ - azoteq,iqs7222c
+
+ then:
+ properties:
+ touchscreen-size-x: false
+ touchscreen-size-y: false
+ touchscreen-inverted-x: false
+ touchscreen-inverted-y: false
+ touchscreen-swapped-x-y: false
+
+ trackpad: false
+
+ patternProperties:
+ "^channel-([0-9]|1[0-9])$":
+ properties:
+ azoteq,counts-filt-enable: false
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - azoteq,iqs7222b
+ - azoteq,iqs7222c
+
+ then:
+ patternProperties:
+ "^channel-([0-9]|1[0-9])$":
+ properties:
+ azoteq,ulp-allow: false
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - azoteq,iqs7222b
+ - azoteq,iqs7222d
then:
patternProperties:
properties:
azoteq,ref-select: false
+ "^slider-[0-1]$": false
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: azoteq,iqs7222b
+
+ then:
+ patternProperties:
+ "^channel-([0-9]|1[0-9])$":
patternProperties:
"^event-(prox|touch)$":
properties:
azoteq,gpio-select: false
- "^slider-[0-1]$": false
-
"^gpio-[0-2]$": false
- if:
else:
patternProperties:
- "^channel-([0-9]|1[0-9])$":
- properties:
- azoteq,ulp-allow: false
-
"^slider-[0-1]$":
patternProperties:
"^event-(press|tap|(swipe|flick)-(pos|neg))$":
+++ /dev/null
-Cypress I2C Touchpad
-
-Required properties:
-- compatible: must be "cypress,cyapa".
-- reg: I2C address of the chip.
-- interrupts: interrupt to which the chip is connected (see interrupt
- binding[0]).
-
-Optional properties:
-- wakeup-source: touchpad can be used as a wakeup source.
-- pinctrl-names: should be "default" (see pinctrl binding [1]).
-- pinctrl-0: a phandle pointing to the pin settings for the device (see
- pinctrl binding [1]).
-- vcc-supply: a phandle for the regulator supplying 3.3V power.
-
-[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
-[1]: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
-
-Example:
- &i2c0 {
- /* ... */
-
- /* Cypress Gen3 touchpad */
- touchpad@67 {
- compatible = "cypress,cyapa";
- reg = <0x67>;
- interrupt-parent = <&gpio>;
- interrupts = <2 IRQ_TYPE_EDGE_FALLING>; /* GPIO 2 */
- wakeup-source;
- };
-
- /* Cypress Gen5 and later touchpad */
- touchpad@24 {
- compatible = "cypress,cyapa";
- reg = <0x24>;
- interrupt-parent = <&gpio>;
- interrupts = <2 IRQ_TYPE_EDGE_FALLING>; /* GPIO 2 */
- wakeup-source;
- };
-
- /* ... */
- };
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/cypress,cyapa.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cypress All Points Addressable (APA) I2C Touchpad / Trackpad
+
+maintainers:
+ - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+
+properties:
+ compatible:
+ const: cypress,cyapa
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ wakeup-source: true
+
+ vcc-supply:
+ description: 3.3V power
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ trackpad@67 {
+ reg = <0x67>;
+ compatible = "cypress,cyapa";
+ interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
+ interrupt-parent = <&gpx1>;
+ wakeup-source;
+ };
+ };
minItems: 1
maxItems: 2
+ enable-gpios: true
+
vcc-supply: true
direction-duty-cycle-ns:
--- /dev/null
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/touchscreen/azoteq,iqs7211.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Azoteq IQS7210A/7211A/E Trackpad/Touchscreen Controller
+
+maintainers:
+ - Jeff LaBundy <jeff@labundy.com>
+
+description: |
+ The Azoteq IQS7210A, IQS7211A and IQS7211E trackpad and touchscreen control-
+ lers employ projected-capacitance sensing and can track two contacts.
+
+ Link to datasheets: https://www.azoteq.com/
+
+properties:
+ compatible:
+ enum:
+ - azoteq,iqs7210a
+ - azoteq,iqs7211a
+ - azoteq,iqs7211e
+
+ reg:
+ maxItems: 1
+
+ irq-gpios:
+ maxItems: 1
+ description:
+ Specifies the GPIO connected to the device's active-low RDY output. The
+ pin doubles as the IQS7211E's active-low MCLR input, in which case this
+ GPIO must be configured as open-drain.
+
+ reset-gpios:
+ maxItems: 1
+ description:
+ Specifies the GPIO connected to the device's active-low MCLR input. The
+ device is temporarily held in hardware reset prior to initialization if
+ this property is present.
+
+ azoteq,forced-comms:
+ type: boolean
+ description:
+ Enables forced communication; to be used with host adapters that cannot
+ tolerate clock stretching.
+
+ azoteq,forced-comms-default:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 1]
+ description:
+ Indicates if the device's OTP memory enables (1) or disables (0) forced
+ communication by default. Specifying this property can expedite startup
+ time if the default value is known.
+
+ If this property is not specified, communication is not initiated until
+ the device asserts its RDY pin shortly after exiting hardware reset. At
+ that point, forced communication is either enabled or disabled based on
+ the presence or absence of the 'azoteq,forced-comms' property.
+
+ azoteq,rate-active-ms:
+ minimum: 0
+ maximum: 65535
+ description: Specifies the report rate (in ms) during active mode.
+
+ azoteq,rate-touch-ms:
+ minimum: 0
+ maximum: 65535
+ description: Specifies the report rate (in ms) during idle-touch mode.
+
+ azoteq,rate-idle-ms:
+ minimum: 0
+ maximum: 65535
+ description: Specifies the report rate (in ms) during idle mode.
+
+ azoteq,rate-lp1-ms:
+ minimum: 0
+ maximum: 65535
+ description: Specifies the report rate (in ms) during low-power mode 1.
+
+ azoteq,rate-lp2-ms:
+ minimum: 0
+ maximum: 65535
+ description: Specifies the report rate (in ms) during low-power mode 2.
+
+ azoteq,timeout-active-ms:
+ multipleOf: 1000
+ minimum: 0
+ maximum: 65535000
+ description:
+ Specifies the length of time (in ms) to wait for an event before moving
+ from active mode to idle or idle-touch modes.
+
+ azoteq,timeout-touch-ms:
+ multipleOf: 1000
+ minimum: 0
+ maximum: 65535000
+ description:
+ Specifies the length of time (in ms) to wait for an event before moving
+ from idle-touch mode to idle mode.
+
+ azoteq,timeout-idle-ms:
+ multipleOf: 1000
+ minimum: 0
+ maximum: 65535000
+ description:
+ Specifies the length of time (in ms) to wait for an event before moving
+ from idle mode to low-power mode 1.
+
+ azoteq,timeout-lp1-ms:
+ multipleOf: 1000
+ minimum: 0
+ maximum: 65535000
+ description:
+ Specifies the length of time (in ms) to wait for an event before moving
+ from low-power mode 1 to low-power mode 2.
+
+ azoteq,timeout-lp2-ms:
+ multipleOf: 1000
+ minimum: 0
+ maximum: 60000
+ description:
+ Specifies the rate (in ms) at which the trackpad reference values
+ are updated during low-power modes 1 and 2.
+
+ azoteq,timeout-ati-ms:
+ multipleOf: 1000
+ minimum: 0
+ maximum: 60000
+ description:
+ Specifies the delay (in ms) before the automatic tuning implementation
+ (ATI) is retried in the event it fails to complete.
+
+ azoteq,timeout-comms-ms:
+ minimum: 0
+ maximum: 65535
+ description:
+ Specifies the delay (in ms) before a communication window is closed.
+
+ azoteq,timeout-press-ms:
+ multipleOf: 1000
+ minimum: 0
+ maximum: 60000
+ description:
+ Specifies the length of time (in ms) to wait before automatically
+ releasing a press event. Specify zero to allow the press state to
+ persist indefinitely.
+
+ azoteq,fosc-freq:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 1]
+ description: |
+ Specifies the device's core clock frequency as follows:
+ 0: 14 MHz
+ 1: 18 MHz
+
+ azoteq,fosc-trim:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 15
+ description: Specifies the device's core clock frequency trim.
+
+ azoteq,num-contacts:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 2
+ default: 0
+ description: Specifies the number of contacts reported by the device.
+
+ azoteq,contact-split:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 255
+ description: Specifies the contact (finger) split factor.
+
+ azoteq,trim-x:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 255
+ description: Specifies the horizontal trim width.
+
+ azoteq,trim-y:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 255
+ description: Specifies the vertical trim height.
+
+ trackpad:
+ type: object
+ description: Represents all channels associated with the trackpad.
+
+ properties:
+ azoteq,rx-enable:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 1
+ maxItems: 8
+ items:
+ minimum: 0
+ maximum: 7
+ description:
+ Specifies the order of the CRx pin(s) associated with the trackpad.
+
+ azoteq,tx-enable:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 1
+ maxItems: 12
+ items:
+ minimum: 0
+ maximum: 11
+ description:
+ Specifies the order of the CTx pin(s) associated with the trackpad.
+
+ azoteq,channel-select:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 1
+ maxItems: 36
+ items:
+ minimum: 0
+ maximum: 255
+ description: |
+ Specifies the channels mapped to each cycle in the following order:
+ Cycle 0, slot 0
+ Cycle 0, slot 1
+ Cycle 1, slot 0
+ Cycle 1, slot 1
+ ...and so on. Specify 255 to disable a given slot.
+
+ azoteq,ati-frac-div-fine:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 31
+ description: Specifies the trackpad's ATI fine fractional divider.
+
+ azoteq,ati-frac-mult-coarse:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 15
+ description: Specifies the trackpad's ATI coarse fractional multiplier.
+
+ azoteq,ati-frac-div-coarse:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 31
+ description: Specifies the trackpad's ATI coarse fractional divider.
+
+ azoteq,ati-comp-div:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 31
+ description: Specifies the trackpad's ATI compensation divider.
+
+ azoteq,ati-target:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 65535
+ description: Specifies the trackpad's ATI target.
+
+ azoteq,touch-enter:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 255
+ description: Specifies the trackpad's touch entrance factor.
+
+ azoteq,touch-exit:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 255
+ description: Specifies the trackpad's touch exit factor.
+
+ azoteq,thresh:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 255
+ description: Specifies the trackpad's stationary touch threshold.
+
+ azoteq,conv-period:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 255
+ description: Specifies the trackpad's conversion period.
+
+ azoteq,conv-frac:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 255
+ description: Specifies the trackpad's conversion frequency fraction.
+
+ patternProperties:
+ "^event-(tap(-double|-triple)?|hold|palm|swipe-(x|y)-(pos|neg)(-hold)?)$":
+ type: object
+ $ref: ../input.yaml#
+ description:
+ Represents a gesture event reported by the trackpad. In the case of
+ axial gestures, the duration or distance specified in one direction
+ applies to both directions along the same axis.
+
+ properties:
+ linux,code: true
+
+ azoteq,gesture-max-ms:
+ minimum: 0
+ maximum: 65535
+ description: Specifies the maximum duration of tap/swipe gestures.
+
+ azoteq,gesture-mid-ms:
+ minimum: 0
+ maximum: 65535
+ description:
+ Specifies the maximum duration between subsequent tap gestures
+ (IQS7211E only).
+
+ azoteq,gesture-min-ms:
+ minimum: 0
+ maximum: 65535
+ description: Specifies the minimum duration of hold gestures.
+
+ azoteq,gesture-dist:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 65535
+ description:
+ Specifies the minimum (swipe) or maximum (tap and hold) distance
+ a finger may travel to be considered a gesture.
+
+ azoteq,gesture-dist-rep:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 65535
+ description:
+ Specifies the minimum distance a finger must travel to elicit a
+ repeated swipe gesture (IQS7211E only).
+
+ azoteq,gesture-angle:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 75
+ description:
+ Specifies the maximum angle (in degrees) a finger may travel to
+ be considered a swipe gesture.
+
+ azoteq,thresh:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 42
+ description: Specifies the palm gesture threshold (IQS7211E only).
+
+ additionalProperties: false
+
+ dependencies:
+ azoteq,rx-enable: ["azoteq,tx-enable"]
+ azoteq,tx-enable: ["azoteq,rx-enable"]
+ azoteq,channel-select: ["azoteq,rx-enable"]
+
+ additionalProperties: false
+
+ alp:
+ type: object
+ $ref: ../input.yaml#
+ description: Represents the alternate low-power channel (ALP).
+
+ properties:
+ azoteq,rx-enable:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 1
+ maxItems: 8
+ items:
+ minimum: 0
+ maximum: 7
+ description:
+ Specifies the CRx pin(s) associated with the ALP in no particular
+ order.
+
+ azoteq,tx-enable:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 1
+ maxItems: 12
+ items:
+ minimum: 0
+ maximum: 11
+ description:
+ Specifies the CTx pin(s) associated with the ALP in no particular
+ order.
+
+ azoteq,ati-frac-div-fine:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 31
+ description: Specifies the ALP's ATI fine fractional divider.
+
+ azoteq,ati-frac-mult-coarse:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 15
+ description: Specifies the ALP's ATI coarse fractional multiplier.
+
+ azoteq,ati-frac-div-coarse:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 31
+ description: Specifies the ALP's ATI coarse fractional divider.
+
+ azoteq,ati-comp-div:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 31
+ description: Specifies the ALP's ATI compensation divider.
+
+ azoteq,ati-target:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 65535
+ description: Specifies the ALP's ATI target.
+
+ azoteq,ati-base:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ multipleOf: 8
+ minimum: 0
+ maximum: 255
+ description: Specifies the ALP's ATI base.
+
+ azoteq,ati-mode:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 1]
+ description: |
+ Specifies the ALP's ATI mode as follows:
+ 0: Partial
+ 1: Full
+
+ azoteq,sense-mode:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 1]
+ description: |
+ Specifies the ALP's sensing mode as follows:
+ 0: Self capacitive
+ 1: Mutual capacitive
+
+ azoteq,debounce-enter:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 255
+ description: Specifies the ALP's debounce entrance factor.
+
+ azoteq,debounce-exit:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 255
+ description: Specifies the ALP's debounce exit factor.
+
+ azoteq,thresh:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 65535
+ description: Specifies the ALP's proximity or touch threshold.
+
+ azoteq,conv-period:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 255
+ description: Specifies the ALP's conversion period.
+
+ azoteq,conv-frac:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 255
+ description: Specifies the ALP's conversion frequency fraction.
+
+ linux,code: true
+
+ additionalProperties: false
+
+ button:
+ type: object
+ description: Represents the inductive or capacitive button.
+
+ properties:
+ azoteq,ati-frac-div-fine:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 31
+ description: Specifies the button's ATI fine fractional divider.
+
+ azoteq,ati-frac-mult-coarse:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 15
+ description: Specifies the button's ATI coarse fractional multiplier.
+
+ azoteq,ati-frac-div-coarse:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 31
+ description: Specifies the button's ATI coarse fractional divider.
+
+ azoteq,ati-comp-div:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 31
+ description: Specifies the button's ATI compensation divider.
+
+ azoteq,ati-target:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 65535
+ description: Specifies the button's ATI target.
+
+ azoteq,ati-base:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ multipleOf: 8
+ minimum: 0
+ maximum: 255
+ description: Specifies the button's ATI base.
+
+ azoteq,ati-mode:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 1]
+ description: |
+ Specifies the button's ATI mode as follows:
+ 0: Partial
+ 1: Full
+
+ azoteq,sense-mode:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 1, 2]
+ description: |
+ Specifies the button's sensing mode as follows:
+ 0: Self capacitive
+ 1: Mutual capacitive
+ 2: Inductive
+
+ azoteq,touch-enter:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 255
+ description: Specifies the button's touch entrance factor.
+
+ azoteq,touch-exit:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 255
+ description: Specifies the button's touch exit factor.
+
+ azoteq,debounce-enter:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 255
+ description: Specifies the button's debounce entrance factor.
+
+ azoteq,debounce-exit:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 255
+ description: Specifies the button's debounce exit factor.
+
+ azoteq,thresh:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 65535
+ description: Specifies the button's proximity threshold.
+
+ azoteq,conv-period:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 255
+ description: Specifies the button's conversion period.
+
+ azoteq,conv-frac:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 255
+ description: Specifies the button's conversion frequency fraction.
+
+ patternProperties:
+ "^event-(prox|touch)$":
+ type: object
+ $ref: ../input.yaml#
+ description:
+ Represents a proximity or touch event reported by the button.
+
+ properties:
+ linux,code: true
+
+ additionalProperties: false
+
+ additionalProperties: false
+
+ wakeup-source: true
+
+ touchscreen-size-x: true
+ touchscreen-size-y: true
+ touchscreen-inverted-x: true
+ touchscreen-inverted-y: true
+ touchscreen-swapped-x-y: true
+
+dependencies:
+ touchscreen-size-x: ["azoteq,num-contacts"]
+ touchscreen-size-y: ["azoteq,num-contacts"]
+ touchscreen-inverted-x: ["azoteq,num-contacts"]
+ touchscreen-inverted-y: ["azoteq,num-contacts"]
+ touchscreen-swapped-x-y: ["azoteq,num-contacts"]
+
+required:
+ - compatible
+ - reg
+ - irq-gpios
+
+additionalProperties: false
+
+allOf:
+ - $ref: touchscreen.yaml#
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: azoteq,iqs7210a
+
+ then:
+ properties:
+ alp:
+ properties:
+ azoteq,rx-enable:
+ maxItems: 4
+ items:
+ minimum: 4
+
+ else:
+ properties:
+ azoteq,timeout-press-ms: false
+
+ alp:
+ properties:
+ azoteq,ati-mode: false
+
+ button: false
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: azoteq,iqs7211e
+
+ then:
+ properties:
+ reset-gpios: false
+
+ trackpad:
+ properties:
+ azoteq,tx-enable:
+ maxItems: 13
+ items:
+ maximum: 12
+
+ alp:
+ properties:
+ azoteq,tx-enable:
+ maxItems: 13
+ items:
+ maximum: 12
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/input/input.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ touch@56 {
+ compatible = "azoteq,iqs7210a";
+ reg = <0x56>;
+ irq-gpios = <&gpio 4 GPIO_ACTIVE_LOW>;
+ reset-gpios = <&gpio 17 (GPIO_ACTIVE_LOW |
+ GPIO_PUSH_PULL)>;
+ azoteq,num-contacts = <2>;
+
+ trackpad {
+ azoteq,rx-enable = <6>, <5>, <4>, <3>, <2>;
+ azoteq,tx-enable = <1>, <7>, <8>, <9>, <10>;
+ };
+
+ button {
+ azoteq,sense-mode = <2>;
+ azoteq,touch-enter = <40>;
+ azoteq,touch-exit = <36>;
+
+ event-touch {
+ linux,code = <KEY_HOME>;
+ };
+ };
+
+ alp {
+ azoteq,sense-mode = <1>;
+ linux,code = <KEY_POWER>;
+ };
+ };
+ };
+
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/input/input.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ touch@56 {
+ compatible = "azoteq,iqs7211e";
+ reg = <0x56>;
+ irq-gpios = <&gpio 4 (GPIO_ACTIVE_LOW |
+ GPIO_OPEN_DRAIN)>;
+
+ trackpad {
+ event-tap {
+ linux,code = <KEY_PLAYPAUSE>;
+ };
+
+ event-tap-double {
+ linux,code = <KEY_SHUFFLE>;
+ };
+
+ event-tap-triple {
+ linux,code = <KEY_AGAIN>;
+ };
+
+ event-hold {
+ linux,code = <KEY_STOP>;
+ };
+
+ event-palm {
+ linux,code = <KEY_EXIT>;
+ };
+
+ event-swipe-x-pos {
+ linux,code = <KEY_REWIND>;
+ };
+
+ event-swipe-x-pos-hold {
+ linux,code = <KEY_PREVIOUS>;
+ };
+
+ event-swipe-x-neg {
+ linux,code = <KEY_FASTFORWARD>;
+ };
+
+ event-swipe-x-neg-hold {
+ linux,code = <KEY_NEXT>;
+ };
+
+ event-swipe-y-pos {
+ linux,code = <KEY_VOLUMEUP>;
+ };
+
+ event-swipe-y-pos-hold {
+ linux,code = <KEY_MUTE>;
+ };
+
+ event-swipe-y-neg {
+ linux,code = <KEY_VOLUMEDOWN>;
+ };
+
+ event-swipe-y-neg-hold {
+ linux,code = <KEY_MUTE>;
+ };
+ };
+ };
+ };
+
+...
linux,keycodes:
description: EV_ABS specific event code generated by the axis.
+ wakeup-source: true
+
patternProperties:
"^button@[0-9]+$":
type: object
minimum: 1
maximum: 255
+ threshold:
+ description: Allows setting the "click"-threshold in the range from 0 to 255.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 255
+
touchscreen-size-x: true
touchscreen-size-y: true
touchscreen-fuzz-x: true
maxItems: 1
reset-gpios:
maxItems: 1
+ vdd-supply:
+ description: Power supply regulator for the chip
touchscreen-size-x: true
touchscreen-size-y: true
touchscreen-inverted-x: true
This driver exposes all first-party and third-party Xbox compatible
controllers. It has a long history and has enjoyed considerable usage
-as Window's xinput library caused most PC games to focus on Xbox
+as Windows' xinput library caused most PC games to focus on Xbox
controller compatibility.
Due to backwards compatibility all buttons are reported as digital.
-This only effects Original Xbox controllers. All later controller models
+This only affects Original Xbox controllers. All later controller models
have only digital face buttons.
Rumble is supported on some models of Xbox 360 controllers but not of
Original Xbox controllers nor on Xbox One controllers. As of writing
-the Xbox One's rumble protocol has not been reverse engineered but in
+the Xbox One's rumble protocol has not been reverse-engineered but in
the future could be supported.
Unknown Controllers
-------------------
-If you have an unknown xbox controller, it should work just fine with
+If you have an unknown Xbox controller, it should work just fine with
the default settings.
HOWEVER if you have an unknown dance pad not listed below, it will not
Thanks to the trip splitter found on the cable you don't even need to cut the
original one. You can buy an extension cable and cut that instead. That way,
-you can still use the controller with your X-Box, if you have one ;)
+you can still use the controller with your Xbox, if you have one ;)
Many pads also have a third button which is branded or has a special symbol
and meaning. Such buttons are mapped as BTN_MODE. Examples are the Nintendo
- "HOME" button, the XBox "X"-button or Sony "PS" button.
+ "HOME" button, the Xbox "X" button or the Sony PlayStation "PS" button.
- Rumble:
F: arch/arm/configs/qcom_defconfig
F: arch/arm/mach-qcom/
F: arch/arm64/boot/dts/qcom/
+F: drivers/*/*/pm8???-*
F: drivers/*/*/qcom*
F: drivers/*/*/qcom/
-F: drivers/*/pm8???-*
F: drivers/*/qcom*
F: drivers/*/qcom/
F: drivers/bluetooth/btqcomsmd.c
config INPUT_KUNIT_TEST
tristate "KUnit tests for Input" if !KUNIT_ALL_TESTS
- depends on INPUT && KUNIT=y
+ depends on INPUT && KUNIT
default KUNIT_ALL_TESTS
help
Say Y here if you want to build the KUnit tests for the input
config GAMEPORT_NS558
tristate "Classic ISA and PnP gameport support"
+ depends on ISA
help
Say Y here if you have an ISA or PnP gameport.
config GAMEPORT_L4
tristate "PDPI Lightning 4 gamecard support"
+ depends on ISA
help
Say Y here if you have a PDPI Lightning 4 gamecard.
config GAMEPORT_FM801
tristate "ForteMedia FM801 gameport support"
- depends on PCI
+ depends on PCI && HAS_IOPORT
help
Say Y here if you have ForteMedia FM801 PCI audio controller
(Abit AU10, Genius Sound Maker, HP Workstation zx2000,
#include <linux/stddef.h>
#include <linux/module.h>
+#include <linux/io.h>
#include <linux/ioport.h>
#include <linux/init.h>
#include <linux/gameport.h>
#include <linux/mutex.h>
#include <linux/timekeeping.h>
-/*#include <asm/io.h>*/
-
MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
MODULE_DESCRIPTION("Generic gameport layer");
MODULE_LICENSE("GPL");
}
EXPORT_SYMBOL(gameport_set_phys);
+static void gameport_default_trigger(struct gameport *gameport)
+{
+#ifdef CONFIG_HAS_IOPORT
+ outb(0xff, gameport->io);
+#endif
+}
+
+static unsigned char gameport_default_read(struct gameport *gameport)
+{
+#ifdef CONFIG_HAS_IOPORT
+ return inb(gameport->io);
+#else
+ return 0xff;
+#endif
+}
+
+static void gameport_setup_default_handlers(struct gameport *gameport)
+{
+ if ((!gameport->trigger || !gameport->read) &&
+ !IS_ENABLED(CONFIG_HAS_IOPORT))
+ dev_err(&gameport->dev,
+ "I/O port access is required for %s (%s) but is not available\n",
+ gameport->phys, gameport->name);
+
+ if (!gameport->trigger)
+ gameport->trigger = gameport_default_trigger;
+ if (!gameport->read)
+ gameport->read = gameport_default_read;
+}
+
/*
* Prepare gameport port for registration.
*/
if (gameport->parent)
gameport->dev.parent = &gameport->parent->dev;
+ gameport_setup_default_handlers(gameport);
INIT_LIST_HEAD(&gameport->node);
spin_lock_init(&gameport->timer_lock);
timer_setup(&gameport->poll_timer, gameport_run_poll_handler, 0);
unsigned int code, int *pval)
{
struct input_mt *mt = dev->mt;
+ bool is_new_slot = false;
bool is_mt_event;
int *pold;
pold = &dev->absinfo[code].value;
} else if (mt) {
pold = &mt->slots[mt->slot].abs[code - ABS_MT_FIRST];
+ is_new_slot = mt->slot != dev->absinfo[ABS_MT_SLOT].value;
} else {
/*
* Bypass filtering for multi-touch events when
}
/* Flush pending "slot" event */
- if (is_mt_event && mt && mt->slot != input_abs_get_val(dev, ABS_MT_SLOT)) {
- input_abs_set_val(dev, ABS_MT_SLOT, mt->slot);
+ if (is_new_slot) {
+ dev->absinfo[ABS_MT_SLOT].value = mt->slot;
return INPUT_PASS_TO_HANDLERS | INPUT_SLOT;
}
module will be called joydump.
config JOYSTICK_XPAD
- tristate "X-Box gamepad support"
+ tristate "Xbox gamepad support"
depends on USB_ARCH_HAS_HCD
select USB
help
- Say Y here if you want to use the X-Box pad with your computer.
+ Say Y here if you want to use Xbox pads with your computer.
Make sure to say Y to "Joystick support" (CONFIG_INPUT_JOYDEV)
and/or "Event interface support" (CONFIG_INPUT_EVDEV) as well.
- For information about how to connect the X-Box pad to USB, see
+ For information about how to connect the Xbox pad to USB, see
<file:Documentation/input/devices/xpad.rst>.
To compile this driver as a module, choose M here: the
module will be called xpad.
config JOYSTICK_XPAD_FF
- bool "X-Box gamepad rumble support"
+ bool "Xbox gamepad rumble support"
depends on JOYSTICK_XPAD && INPUT
select INPUT_FF_MEMLESS
help
- Say Y here if you want to take advantage of xbox 360 rumble features.
+ Say Y here if you want to take advantage of Xbox 360 rumble features.
config JOYSTICK_XPAD_LEDS
- bool "LED Support for Xbox360 controller 'BigX' LED"
+ bool "LED Support for the Xbox 360 controller Guide button"
depends on JOYSTICK_XPAD && (LEDS_CLASS=y || LEDS_CLASS=JOYSTICK_XPAD)
help
This option enables support for the LED which surrounds the Big X on
- XBox 360 controller.
+ Xbox 360 controllers.
config JOYSTICK_WALKERA0701
tristate "Walkera WK-0701 RC transmitter"
.driver = {
.name = "as5011",
},
- .probe_new = as5011_probe,
+ .probe = as5011_probe,
.remove = as5011_remove,
.id_table = as5011_id,
};
.of_match_table = of_match_ptr(of_qwiic_match),
},
.id_table = qwiic_id_table,
- .probe_new = qwiic_probe,
+ .probe = qwiic_probe,
};
module_i2c_driver(qwiic_driver);
// SPDX-License-Identifier: GPL-2.0-or-later
/*
- * X-Box gamepad driver
+ * Xbox gamepad driver
*
* Copyright (c) 2002 Marko Friedemann <mfr@bmx-chemnitz.de>
* 2004 Oliver Schwartz <Oliver.Schwartz@gmx.de>,
* - ITO Takayuki for providing essential xpad information on his website
* - Vojtech Pavlik - iforce driver / input subsystem
* - Greg Kroah-Hartman - usb-skeleton driver
- * - XBOX Linux project - extra USB id's
- * - Pekka Pöyry (quantus) - Xbox One controller reverse engineering
+ * - Xbox Linux project - extra USB IDs
+ * - Pekka Pöyry (quantus) - Xbox One controller reverse-engineering
*
* TODO:
* - fine tune axes (especially trigger axes)
* 2002-07-17 - 0.0.5 : simplified d-pad handling
*
* 2004-10-02 - 0.0.6 : DDR pad support
- * - borrowed from the XBOX linux kernel
+ * - borrowed from the Xbox Linux kernel
* - USB id's for commonly used dance pads are present
* - dance pads will map D-PAD to buttons, not axes
* - pass the module paramater 'dpad_to_buttons' to force
{ 0x0f0d, 0x0067, "HORIPAD ONE", 0, XTYPE_XBOXONE },
{ 0x0f0d, 0x0078, "Hori Real Arcade Pro V Kai Xbox One", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE },
{ 0x0f0d, 0x00c5, "Hori Fighting Commander ONE", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE },
+ { 0x0f0d, 0x00dc, "HORIPAD FPS for Nintendo Switch", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
{ 0x0f30, 0x010b, "Philips Recoil", 0, XTYPE_XBOX },
{ 0x0f30, 0x0202, "Joytech Advanced Controller", 0, XTYPE_XBOX },
{ 0x0f30, 0x8888, "BigBen XBMiniPad Controller", 0, XTYPE_XBOX },
{ 0x31e3, 0x1300, "Wooting 60HE (AVR)", 0, XTYPE_XBOX360 },
{ 0x31e3, 0x1310, "Wooting 60HE (ARM)", 0, XTYPE_XBOX360 },
{ 0x3285, 0x0607, "Nacon GC-100", 0, XTYPE_XBOX360 },
+ { 0x3537, 0x1004, "GameSir T4 Kaleid", 0, XTYPE_XBOX360 },
{ 0x3767, 0x0101, "Fanatec Speedster 3 Forceshock Wheel", 0, XTYPE_XBOX },
{ 0xffff, 0xffff, "Chinese-made Xbox Controller", 0, XTYPE_XBOX },
{ 0x0000, 0x0000, "Generic X-Box pad", 0, XTYPE_UNKNOWN }
{ XPAD_XBOXONE_VENDOR_PROTOCOL((vend), 208) }
static const struct usb_device_id xpad_table[] = {
- { USB_INTERFACE_INFO('X', 'B', 0) }, /* X-Box USB-IF not approved class */
- XPAD_XBOX360_VENDOR(0x0079), /* GPD Win 2 Controller */
+ { USB_INTERFACE_INFO('X', 'B', 0) }, /* Xbox USB-IF not-approved class */
+ XPAD_XBOX360_VENDOR(0x0079), /* GPD Win 2 controller */
XPAD_XBOX360_VENDOR(0x03eb), /* Wooting Keyboards (Legacy) */
- XPAD_XBOX360_VENDOR(0x044f), /* Thrustmaster X-Box 360 controllers */
- XPAD_XBOX360_VENDOR(0x045e), /* Microsoft X-Box 360 controllers */
- XPAD_XBOXONE_VENDOR(0x045e), /* Microsoft X-Box One controllers */
- XPAD_XBOX360_VENDOR(0x046d), /* Logitech X-Box 360 style controllers */
+ XPAD_XBOX360_VENDOR(0x044f), /* Thrustmaster Xbox 360 controllers */
+ XPAD_XBOX360_VENDOR(0x045e), /* Microsoft Xbox 360 controllers */
+ XPAD_XBOXONE_VENDOR(0x045e), /* Microsoft Xbox One controllers */
+ XPAD_XBOX360_VENDOR(0x046d), /* Logitech Xbox 360-style controllers */
XPAD_XBOX360_VENDOR(0x056e), /* Elecom JC-U3613M */
XPAD_XBOX360_VENDOR(0x06a3), /* Saitek P3600 */
- XPAD_XBOX360_VENDOR(0x0738), /* Mad Catz X-Box 360 controllers */
+ XPAD_XBOX360_VENDOR(0x0738), /* Mad Catz Xbox 360 controllers */
{ USB_DEVICE(0x0738, 0x4540) }, /* Mad Catz Beat Pad */
XPAD_XBOXONE_VENDOR(0x0738), /* Mad Catz FightStick TE 2 */
- XPAD_XBOX360_VENDOR(0x07ff), /* Mad Catz GamePad */
+ XPAD_XBOX360_VENDOR(0x07ff), /* Mad Catz Gamepad */
XPAD_XBOX360_VENDOR(0x0c12), /* Zeroplus X-Box 360 controllers */
- XPAD_XBOX360_VENDOR(0x0e6f), /* 0x0e6f X-Box 360 controllers */
- XPAD_XBOXONE_VENDOR(0x0e6f), /* 0x0e6f X-Box One controllers */
- XPAD_XBOX360_VENDOR(0x0f0d), /* Hori Controllers */
- XPAD_XBOXONE_VENDOR(0x0f0d), /* Hori Controllers */
- XPAD_XBOX360_VENDOR(0x1038), /* SteelSeries Controllers */
+ XPAD_XBOX360_VENDOR(0x0e6f), /* 0x0e6f Xbox 360 controllers */
+ XPAD_XBOXONE_VENDOR(0x0e6f), /* 0x0e6f Xbox One controllers */
+ XPAD_XBOX360_VENDOR(0x0f0d), /* Hori controllers */
+ XPAD_XBOXONE_VENDOR(0x0f0d), /* Hori controllers */
+ XPAD_XBOX360_VENDOR(0x1038), /* SteelSeries controllers */
XPAD_XBOXONE_VENDOR(0x10f5), /* Turtle Beach Controllers */
XPAD_XBOX360_VENDOR(0x11c9), /* Nacon GC100XF */
XPAD_XBOX360_VENDOR(0x1209), /* Ardwiino Controllers */
- XPAD_XBOX360_VENDOR(0x12ab), /* X-Box 360 dance pads */
- XPAD_XBOX360_VENDOR(0x1430), /* RedOctane X-Box 360 controllers */
- XPAD_XBOX360_VENDOR(0x146b), /* BigBen Interactive Controllers */
+ XPAD_XBOX360_VENDOR(0x12ab), /* Xbox 360 dance pads */
+ XPAD_XBOX360_VENDOR(0x1430), /* RedOctane Xbox 360 controllers */
+ XPAD_XBOX360_VENDOR(0x146b), /* Bigben Interactive controllers */
XPAD_XBOX360_VENDOR(0x1532), /* Razer Sabertooth */
XPAD_XBOXONE_VENDOR(0x1532), /* Razer Wildcat */
- XPAD_XBOX360_VENDOR(0x15e4), /* Numark X-Box 360 controllers */
- XPAD_XBOX360_VENDOR(0x162e), /* Joytech X-Box 360 controllers */
+ XPAD_XBOX360_VENDOR(0x15e4), /* Numark Xbox 360 controllers */
+ XPAD_XBOX360_VENDOR(0x162e), /* Joytech Xbox 360 controllers */
XPAD_XBOX360_VENDOR(0x1689), /* Razer Onza */
XPAD_XBOX360_VENDOR(0x1949), /* Amazon controllers */
- XPAD_XBOX360_VENDOR(0x1bad), /* Harminix Rock Band Guitar and Drums */
- XPAD_XBOX360_VENDOR(0x20d6), /* PowerA Controllers */
- XPAD_XBOXONE_VENDOR(0x20d6), /* PowerA Controllers */
- XPAD_XBOX360_VENDOR(0x24c6), /* PowerA Controllers */
- XPAD_XBOXONE_VENDOR(0x24c6), /* PowerA Controllers */
+ XPAD_XBOX360_VENDOR(0x1bad), /* Harmonix Rock Band guitar and drums */
+ XPAD_XBOX360_VENDOR(0x20d6), /* PowerA controllers */
+ XPAD_XBOXONE_VENDOR(0x20d6), /* PowerA controllers */
+ XPAD_XBOX360_VENDOR(0x24c6), /* PowerA controllers */
+ XPAD_XBOXONE_VENDOR(0x24c6), /* PowerA controllers */
XPAD_XBOX360_VENDOR(0x2563), /* OneXPlayer Gamepad */
XPAD_XBOX360_VENDOR(0x260d), /* Dareu H101 */
XPAD_XBOX360_VENDOR(0x2c22), /* Qanba Controllers */
XPAD_XBOX360_VENDOR(0x2dc8), /* 8BitDo Pro 2 Wired Controller */
XPAD_XBOXONE_VENDOR(0x2dc8), /* 8BitDo Pro 2 Wired Controller for Xbox */
- XPAD_XBOXONE_VENDOR(0x2e24), /* Hyperkin Duke X-Box One pad */
- XPAD_XBOX360_VENDOR(0x2f24), /* GameSir Controllers */
+ XPAD_XBOXONE_VENDOR(0x2e24), /* Hyperkin Duke Xbox One pad */
+ XPAD_XBOX360_VENDOR(0x2f24), /* GameSir controllers */
XPAD_XBOX360_VENDOR(0x31e3), /* Wooting Keyboards */
XPAD_XBOX360_VENDOR(0x3285), /* Nacon GC-100 */
+ XPAD_XBOX360_VENDOR(0x3537), /* GameSir Controllers */
+ XPAD_XBOXONE_VENDOR(0x3537), /* GameSir Controllers */
{ }
};
* Completes a request by converting the data into events for the
* input subsystem.
*
- * The used report descriptor was taken from ITO Takayukis website:
+ * The used report descriptor was taken from ITO Takayuki's website:
* http://euc.jp/periphs/xbox-controller.ja.html
*/
static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data)
};
/*
- * set the LEDs on Xbox360 / Wireless Controllers
+ * set the LEDs on Xbox 360 / Wireless Controllers
* @param command
* 0: off
* 1: all blink, then previous setting
return error;
}
}
+ if (xpad->xtype == XTYPE_XBOX360) {
+ /*
+ * Some third-party controllers Xbox 360-style controllers
+ * require this message to finish initialization.
+ */
+ u8 dummy[20];
+
+ error = usb_control_msg_recv(xpad->udev, 0,
+ /* bRequest */ 0x01,
+ /* bmRequestType */
+ USB_TYPE_VENDOR | USB_DIR_IN |
+ USB_RECIP_INTERFACE,
+ /* wValue */ 0x100,
+ /* wIndex */ 0x00,
+ dummy, sizeof(dummy),
+ 25, GFP_KERNEL);
+ if (error)
+ dev_warn(&xpad->dev->dev,
+ "unable to receive magic message: %d\n",
+ error);
+ }
return 0;
}
module_usb_driver(xpad_driver);
MODULE_AUTHOR("Marko Friedemann <mfr@bmx-chemnitz.de>");
-MODULE_DESCRIPTION("X-Box pad driver");
+MODULE_DESCRIPTION("Xbox pad driver");
MODULE_LICENSE("GPL");
return 0;
}
-static void adp5588_disable_regulator(void *reg)
-{
- regulator_disable(reg);
-}
-
static int adp5588_probe(struct i2c_client *client)
{
struct adp5588_kpad *kpad;
struct input_dev *input;
struct gpio_desc *gpio;
- struct regulator *vcc;
unsigned int revid;
int ret;
int error;
if (error)
return error;
- vcc = devm_regulator_get(&client->dev, "vcc");
- if (IS_ERR(vcc))
- return PTR_ERR(vcc);
-
- error = regulator_enable(vcc);
- if (error)
- return error;
-
- error = devm_add_action_or_reset(&client->dev,
- adp5588_disable_regulator, vcc);
+ error = devm_regulator_get_enable(&client->dev, "vcc");
if (error)
return error;
.of_match_table = adp5588_of_match,
.pm = pm_sleep_ptr(&adp5588_dev_pm_ops),
},
- .probe_new = adp5588_probe,
+ .probe = adp5588_probe,
.remove = adp5588_remove,
.id_table = adp5588_id,
};
.name = KBUILD_MODNAME,
.pm = pm_sleep_ptr(&adp5589_dev_pm_ops),
},
- .probe_new = adp5589_probe,
+ .probe = adp5589_probe,
.id_table = adp5589_id,
};
return vivaldi_function_row_physmap_show(&atkbd->vdata, buf);
}
+static struct atkbd *atkbd_from_serio(struct serio *serio)
+{
+ struct ps2dev *ps2dev = serio_get_drvdata(serio);
+
+ return container_of(ps2dev, struct atkbd, ps2dev);
+}
+
static umode_t atkbd_attr_is_visible(struct kobject *kobj,
struct attribute *attr, int i)
{
struct device *dev = kobj_to_dev(kobj);
struct serio *serio = to_serio_port(dev);
- struct atkbd *atkbd = serio_get_drvdata(serio);
+ struct atkbd *atkbd = atkbd_from_serio(serio);
if (attr == &atkbd_attr_function_row_physmap.attr &&
!atkbd->vdata.num_function_row_keys)
}
/*
- * atkbd_interrupt(). Here takes place processing of data received from
- * the keyboard into events.
+ * Tries to handle frame or parity error by requesting the keyboard controller
+ * to resend the last byte. This historically not done on x86 as controllers
+ * there typically do not implement this command.
*/
-
-static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
- unsigned int flags)
+static bool __maybe_unused atkbd_handle_frame_error(struct ps2dev *ps2dev,
+ u8 data, unsigned int flags)
{
- struct atkbd *atkbd = serio_get_drvdata(serio);
- struct input_dev *dev = atkbd->dev;
- unsigned int code = data;
- int scroll = 0, hscroll = 0, click = -1;
- int value;
- unsigned short keycode;
-
- dev_dbg(&serio->dev, "Received %02x flags %02x\n", data, flags);
+ struct atkbd *atkbd = container_of(ps2dev, struct atkbd, ps2dev);
+ struct serio *serio = ps2dev->serio;
-#if !defined(__i386__) && !defined (__x86_64__)
- if ((flags & (SERIO_FRAME | SERIO_PARITY)) && (~flags & SERIO_TIMEOUT) && !atkbd->resend && atkbd->write) {
+ if ((flags & (SERIO_FRAME | SERIO_PARITY)) &&
+ (~flags & SERIO_TIMEOUT) &&
+ !atkbd->resend && atkbd->write) {
dev_warn(&serio->dev, "Frame/parity error: %02x\n", flags);
serio_write(serio, ATKBD_CMD_RESEND);
atkbd->resend = true;
- goto out;
+ return true;
}
if (!flags && data == ATKBD_RET_ACK)
atkbd->resend = false;
+
+ return false;
+}
+
+static enum ps2_disposition atkbd_pre_receive_byte(struct ps2dev *ps2dev,
+ u8 data, unsigned int flags)
+{
+ struct serio *serio = ps2dev->serio;
+
+ dev_dbg(&serio->dev, "Received %02x flags %02x\n", data, flags);
+
+#if !defined(__i386__) && !defined (__x86_64__)
+ if (atkbd_handle_frame_error(ps2dev, data, flags))
+ return PS2_IGNORE;
#endif
- if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_ACK))
- if (ps2_handle_ack(&atkbd->ps2dev, data))
- goto out;
+ return PS2_PROCESS;
+}
- if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_CMD))
- if (ps2_handle_response(&atkbd->ps2dev, data))
- goto out;
+static void atkbd_receive_byte(struct ps2dev *ps2dev, u8 data)
+{
+ struct serio *serio = ps2dev->serio;
+ struct atkbd *atkbd = container_of(ps2dev, struct atkbd, ps2dev);
+ struct input_dev *dev = atkbd->dev;
+ unsigned int code = data;
+ int scroll = 0, hscroll = 0, click = -1;
+ int value;
+ unsigned short keycode;
pm_wakeup_event(&serio->dev, 0);
if (!atkbd->enabled)
- goto out;
+ return;
input_event(dev, EV_MSC, MSC_RAW, code);
case ATKBD_RET_BAT:
atkbd->enabled = false;
serio_reconnect(atkbd->ps2dev.serio);
- goto out;
+ return;
case ATKBD_RET_EMUL0:
atkbd->emul = 1;
- goto out;
+ return;
case ATKBD_RET_EMUL1:
atkbd->emul = 2;
- goto out;
+ return;
case ATKBD_RET_RELEASE:
atkbd->release = true;
- goto out;
+ return;
case ATKBD_RET_ACK:
case ATKBD_RET_NAK:
if (printk_ratelimit())
"Spurious %s on %s. "
"Some program might be trying to access hardware directly.\n",
data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys);
- goto out;
+ return;
case ATKBD_RET_ERR:
atkbd->err_count++;
dev_dbg(&serio->dev, "Keyboard on %s reports too many keys pressed.\n",
serio->phys);
- goto out;
+ return;
}
code = atkbd_compat_scancode(atkbd, code);
if (atkbd->emul && --atkbd->emul)
- goto out;
+ return;
keycode = atkbd->keycode[code];
}
atkbd->release = false;
-out:
- return IRQ_HANDLED;
}
static int atkbd_set_repeat_rate(struct atkbd *atkbd)
static void atkbd_cleanup(struct serio *serio)
{
- struct atkbd *atkbd = serio_get_drvdata(serio);
+ struct atkbd *atkbd = atkbd_from_serio(serio);
atkbd_disable(atkbd);
ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_DEF);
static void atkbd_disconnect(struct serio *serio)
{
- struct atkbd *atkbd = serio_get_drvdata(serio);
+ struct atkbd *atkbd = atkbd_from_serio(serio);
atkbd_disable(atkbd);
static void atkbd_parse_fwnode_data(struct serio *serio)
{
- struct atkbd *atkbd = serio_get_drvdata(serio);
+ struct atkbd *atkbd = atkbd_from_serio(serio);
struct device *dev = &serio->dev;
int n;
goto fail1;
atkbd->dev = dev;
- ps2_init(&atkbd->ps2dev, serio);
+ ps2_init(&atkbd->ps2dev, serio,
+ atkbd_pre_receive_byte, atkbd_receive_byte);
INIT_DELAYED_WORK(&atkbd->event_work, atkbd_event_work);
mutex_init(&atkbd->mutex);
static int atkbd_reconnect(struct serio *serio)
{
- struct atkbd *atkbd = serio_get_drvdata(serio);
+ struct atkbd *atkbd = atkbd_from_serio(serio);
struct serio_driver *drv = serio->drv;
int retval = -1;
},
.description = DRIVER_DESC,
.id_table = atkbd_serio_ids,
- .interrupt = atkbd_interrupt,
+ .interrupt = ps2_interrupt,
.connect = atkbd_connect,
.reconnect = atkbd_reconnect,
.disconnect = atkbd_disconnect,
ssize_t (*handler)(struct atkbd *, char *))
{
struct serio *serio = to_serio_port(dev);
- struct atkbd *atkbd = serio_get_drvdata(serio);
+ struct atkbd *atkbd = atkbd_from_serio(serio);
return handler(atkbd, buf);
}
ssize_t (*handler)(struct atkbd *, const char *, size_t))
{
struct serio *serio = to_serio_port(dev);
- struct atkbd *atkbd = serio_get_drvdata(serio);
+ struct atkbd *atkbd = atkbd_from_serio(serio);
int retval;
retval = mutex_lock_interruptible(&atkbd->mutex);
{
struct bcm_kp *kp;
struct input_dev *input_dev;
- struct resource *res;
int error;
kp = devm_kzalloc(&pdev->dev, sizeof(*kp), GFP_KERNEL);
return error;
}
- /* Get the KEYPAD base address */
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(&pdev->dev, "Missing keypad base address resource\n");
- return -ENODEV;
- }
-
- kp->base = devm_ioremap_resource(&pdev->dev, res);
+ kp->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(kp->base))
return PTR_ERR(kp->base);
/* Enable clock */
- kp->clk = devm_clk_get(&pdev->dev, "peri_clk");
+ kp->clk = devm_clk_get_optional(&pdev->dev, "peri_clk");
if (IS_ERR(kp->clk)) {
- error = PTR_ERR(kp->clk);
- if (error != -ENOENT) {
- if (error != -EPROBE_DEFER)
- dev_err(&pdev->dev, "Failed to get clock\n");
- return error;
- }
- dev_dbg(&pdev->dev,
- "No clock specified. Assuming it's enabled\n");
- kp->clk = NULL;
+ return dev_err_probe(&pdev->dev, PTR_ERR(kp->clk), "Failed to get clock\n");
+ } else if (!kp->clk) {
+ dev_dbg(&pdev->dev, "No clock specified. Assuming it's enabled\n");
} else {
unsigned int desired_rate;
long actual_rate;
.of_match_table = cap11xx_dt_ids,
},
.id_table = cap11xx_i2c_ids,
- .probe_new = cap11xx_i2c_probe,
+ .probe = cap11xx_i2c_probe,
};
module_i2c_driver(cap11xx_i2c_driver);
.of_match_table = of_match_ptr(cypress_sf_of_match),
},
.id_table = cypress_sf_id_table,
- .probe_new = cypress_sf_probe,
+ .probe = cypress_sf_probe,
};
module_i2c_driver(cypress_sf_driver);
.name = "dlink-dir685-touchkeys",
.of_match_table = of_match_ptr(dir685_tk_of_match),
},
- .probe_new = dir685_tk_probe,
+ .probe = dir685_tk_probe,
.id_table = dir685_tk_id,
};
module_i2c_driver(dir685_tk_i2c_driver);
struct input_dev *input = bdata->input;
if (bdata->key_pressed) {
- input_event(input, EV_KEY, *bdata->code, 0);
+ input_report_key(input, *bdata->code, 0);
input_sync(input);
bdata->key_pressed = false;
}
if (bdata->button->wakeup)
pm_wakeup_event(bdata->input->dev.parent, 0);
- input_event(input, EV_KEY, *bdata->code, 1);
+ input_report_key(input, *bdata->code, 1);
input_sync(input);
if (!bdata->release_delay) {
- input_event(input, EV_KEY, *bdata->code, 0);
+ input_report_key(input, *bdata->code, 0);
input_sync(input);
goto out;
}
NULL, GPIOD_IN,
button->desc);
if (IS_ERR(bdata->gpiod)) {
- error = PTR_ERR(bdata->gpiod);
- if (error != -EPROBE_DEFER)
- dev_err(dev,
- "failed to get gpio: %d\n",
- error);
fwnode_handle_put(child);
- return error;
+ return dev_err_probe(dev, PTR_ERR(bdata->gpiod),
+ "failed to get gpio\n");
}
} else if (gpio_is_valid(button->gpio)) {
/*
.name = "lm8323",
.pm = pm_sleep_ptr(&lm8323_pm_ops),
},
- .probe_new = lm8323_probe,
+ .probe = lm8323_probe,
.remove = lm8323_remove,
.id_table = lm8323_id,
};
.driver = {
.name = "lm8333",
},
- .probe_new = lm8333_probe,
+ .probe = lm8333_probe,
.remove = lm8333_remove,
.id_table = lm8333_id,
};
{
struct lpc32xx_kscan_drv *kscandat;
struct input_dev *input;
- struct resource *res;
size_t keymap_size;
int error;
int irq;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(&pdev->dev, "failed to get platform I/O memory\n");
- return -EINVAL;
- }
-
irq = platform_get_irq(pdev, 0);
if (irq < 0)
return -EINVAL;
input_set_drvdata(kscandat->input, kscandat);
- kscandat->kscan_base = devm_ioremap_resource(&pdev->dev, res);
+ kscandat->kscan_base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(kscandat->kscan_base))
return PTR_ERR(kscandat->kscan_base);
.name = "max7359",
.pm = pm_sleep_ptr(&max7359_pm),
},
- .probe_new = max7359_probe,
+ .probe = max7359_probe,
.id_table = max7359_ids,
};
.name = "mcs_touchkey",
.pm = pm_sleep_ptr(&mcs_touchkey_pm_ops),
},
- .probe_new = mcs_touchkey_probe,
+ .probe = mcs_touchkey_probe,
.remove = mcs_touchkey_remove,
.shutdown = mcs_touchkey_shutdown,
.id_table = mcs_touchkey_id,
.of_match_table = of_match_ptr(mpr121_touchkey_dt_match_table),
},
.id_table = mpr121_id,
- .probe_new = mpr_touchkey_probe,
+ .probe = mpr_touchkey_probe,
};
module_i2c_driver(mpr_touchkey_driver);
return IRQ_HANDLED;
}
+static void ske_keypad_board_exit(void *data)
+{
+ struct ske_keypad *keypad = data;
+
+ keypad->board->exit();
+}
+
static int __init ske_keypad_probe(struct platform_device *pdev)
{
const struct ske_keypad_platform_data *plat =
dev_get_platdata(&pdev->dev);
+ struct device *dev = &pdev->dev;
struct ske_keypad *keypad;
struct input_dev *input;
- struct resource *res;
int irq;
int error;
irq = platform_get_irq(pdev, 0);
if (irq < 0)
- return -EINVAL;
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(&pdev->dev, "missing platform resources\n");
- return -EINVAL;
- }
+ return irq;
- keypad = kzalloc(sizeof(struct ske_keypad), GFP_KERNEL);
- input = input_allocate_device();
+ keypad = devm_kzalloc(dev, sizeof(struct ske_keypad),
+ GFP_KERNEL);
+ input = devm_input_allocate_device(dev);
if (!keypad || !input) {
dev_err(&pdev->dev, "failed to allocate keypad memory\n");
- error = -ENOMEM;
- goto err_free_mem;
+ return -ENOMEM;
}
keypad->irq = irq;
keypad->input = input;
spin_lock_init(&keypad->ske_keypad_lock);
- if (!request_mem_region(res->start, resource_size(res), pdev->name)) {
- dev_err(&pdev->dev, "failed to request I/O memory\n");
- error = -EBUSY;
- goto err_free_mem;
- }
-
- keypad->reg_base = ioremap(res->start, resource_size(res));
- if (!keypad->reg_base) {
- dev_err(&pdev->dev, "failed to remap I/O memory\n");
- error = -ENXIO;
- goto err_free_mem_region;
- }
+ keypad->reg_base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(keypad->reg_base))
+ return PTR_ERR(keypad->reg_base);
- keypad->pclk = clk_get(&pdev->dev, "apb_pclk");
+ keypad->pclk = devm_clk_get_enabled(dev, "apb_pclk");
if (IS_ERR(keypad->pclk)) {
dev_err(&pdev->dev, "failed to get pclk\n");
- error = PTR_ERR(keypad->pclk);
- goto err_iounmap;
+ return PTR_ERR(keypad->pclk);
}
- keypad->clk = clk_get(&pdev->dev, NULL);
+ keypad->clk = devm_clk_get_enabled(dev, NULL);
if (IS_ERR(keypad->clk)) {
dev_err(&pdev->dev, "failed to get clk\n");
- error = PTR_ERR(keypad->clk);
- goto err_pclk;
+ return PTR_ERR(keypad->clk);
}
input->id.bustype = BUS_HOST;
keypad->keymap, input);
if (error) {
dev_err(&pdev->dev, "Failed to build keymap\n");
- goto err_clk;
+ return error;
}
input_set_capability(input, EV_MSC, MSC_SCAN);
if (!plat->no_autorepeat)
__set_bit(EV_REP, input->evbit);
- error = clk_prepare_enable(keypad->pclk);
- if (error) {
- dev_err(&pdev->dev, "Failed to prepare/enable pclk\n");
- goto err_clk;
- }
-
- error = clk_prepare_enable(keypad->clk);
- if (error) {
- dev_err(&pdev->dev, "Failed to prepare/enable clk\n");
- goto err_pclk_disable;
- }
-
-
/* go through board initialization helpers */
if (keypad->board->init)
keypad->board->init();
+ if (keypad->board->exit) {
+ error = devm_add_action_or_reset(dev, ske_keypad_board_exit,
+ keypad);
+ if (error)
+ return error;
+ }
+
error = ske_keypad_chip_init(keypad);
if (error) {
dev_err(&pdev->dev, "unable to init keypad hardware\n");
- goto err_clk_disable;
+ return error;
}
- error = request_threaded_irq(keypad->irq, NULL, ske_keypad_irq,
- IRQF_ONESHOT, "ske-keypad", keypad);
+ error = devm_request_threaded_irq(dev, keypad->irq,
+ NULL, ske_keypad_irq,
+ IRQF_ONESHOT, "ske-keypad", keypad);
if (error) {
dev_err(&pdev->dev, "allocate irq %d failed\n", keypad->irq);
- goto err_clk_disable;
+ return error;
}
error = input_register_device(input);
if (error) {
dev_err(&pdev->dev,
- "unable to register input device: %d\n", error);
- goto err_free_irq;
+ "unable to register input device: %d\n", error);
+ return error;
}
if (plat->wakeup_enable)
platform_set_drvdata(pdev, keypad);
- return 0;
-
-err_free_irq:
- free_irq(keypad->irq, keypad);
-err_clk_disable:
- clk_disable_unprepare(keypad->clk);
-err_pclk_disable:
- clk_disable_unprepare(keypad->pclk);
-err_clk:
- clk_put(keypad->clk);
-err_pclk:
- clk_put(keypad->pclk);
-err_iounmap:
- iounmap(keypad->reg_base);
-err_free_mem_region:
- release_mem_region(res->start, resource_size(res));
-err_free_mem:
- input_free_device(input);
- kfree(keypad);
- return error;
-}
-
-static int ske_keypad_remove(struct platform_device *pdev)
-{
- struct ske_keypad *keypad = platform_get_drvdata(pdev);
- struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
- free_irq(keypad->irq, keypad);
-
- input_unregister_device(keypad->input);
-
- clk_disable_unprepare(keypad->clk);
- clk_put(keypad->clk);
-
- if (keypad->board->exit)
- keypad->board->exit();
-
- iounmap(keypad->reg_base);
- release_mem_region(res->start, resource_size(res));
- kfree(keypad);
-
return 0;
}
.name = "nmk-ske-keypad",
.pm = pm_sleep_ptr(&ske_keypad_dev_pm_ops),
},
- .remove = ske_keypad_remove,
};
module_platform_driver_probe(ske_keypad_driver, ske_keypad_probe);
return PTR_ERR(keypad->clk);
}
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- keypad->reg_base = devm_ioremap_resource(&pdev->dev, res);
+ keypad->reg_base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
if (IS_ERR(keypad->reg_base))
return PTR_ERR(keypad->reg_base);
struct device *dev = &pdev->dev;
struct omap4_keypad *keypad_data;
struct input_dev *input_dev;
- struct resource *res;
unsigned int max_keys;
int irq;
int error;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(&pdev->dev, "no base address specified\n");
- return -EINVAL;
- }
-
irq = platform_get_irq(pdev, 0);
if (irq < 0)
return irq;
if (error)
return error;
- keypad_data->base = devm_ioremap_resource(dev, res);
+ keypad_data->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(keypad_data->base))
return PTR_ERR(keypad_data->base);
{
struct input_dev *input;
struct opencores_kbd *opencores_kbd;
- struct resource *res;
int irq, i, error;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(&pdev->dev, "missing board memory resource\n");
- return -EINVAL;
- }
-
irq = platform_get_irq(pdev, 0);
if (irq < 0)
return -EINVAL;
opencores_kbd->input = input;
- opencores_kbd->addr = devm_ioremap_resource(&pdev->dev, res);
+ opencores_kbd->addr = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(opencores_kbd->addr))
return PTR_ERR(opencores_kbd->addr);
ppkb_set_scan(client, false);
}
-static void ppkb_regulator_disable(void *regulator)
-{
- regulator_disable(regulator);
-}
-
static int ppkb_probe(struct i2c_client *client)
{
struct device *dev = &client->dev;
unsigned int phys_rows, phys_cols;
struct pinephone_keyboard *ppkb;
- struct regulator *vbat_supply;
u8 info[PPKB_MATRIX_SIZE + 1];
struct device_node *i2c_bus;
int ret;
int error;
- vbat_supply = devm_regulator_get(dev, "vbat");
- error = PTR_ERR_OR_ZERO(vbat_supply);
+ error = devm_regulator_get_enable(dev, "vbat");
if (error) {
dev_err(dev, "Failed to get VBAT supply: %d\n", error);
return error;
}
- error = regulator_enable(vbat_supply);
- if (error) {
- dev_err(dev, "Failed to enable VBAT: %d\n", error);
- return error;
- }
-
- error = devm_add_action_or_reset(dev, ppkb_regulator_disable,
- vbat_supply);
- if (error)
- return error;
-
ret = i2c_smbus_read_i2c_block_data(client, 0, sizeof(info), info);
if (ret != sizeof(info)) {
error = ret < 0 ? ret : -EIO;
MODULE_DEVICE_TABLE(of, ppkb_of_match);
static struct i2c_driver ppkb_driver = {
- .probe_new = ppkb_probe,
+ .probe = ppkb_probe,
.driver = {
.name = DRV_NAME,
.of_match_table = ppkb_of_match,
struct device_node *np = pdev->dev.of_node;
struct pxa27x_keypad *keypad;
struct input_dev *input_dev;
- struct resource *res;
int irq, error;
/* Driver need build keycode from device tree or pdata */
if (irq < 0)
return -ENXIO;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (res == NULL) {
- dev_err(&pdev->dev, "failed to get I/O memory\n");
- return -ENXIO;
- }
-
keypad = devm_kzalloc(&pdev->dev, sizeof(*keypad),
GFP_KERNEL);
if (!keypad)
keypad->input_dev = input_dev;
keypad->irq = irq;
- keypad->mmio_base = devm_ioremap_resource(&pdev->dev, res);
+ keypad->mmio_base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(keypad->mmio_base))
return PTR_ERR(keypad->mmio_base);
.of_match_table = of_match_ptr(qt1050_of_match),
.pm = pm_sleep_ptr(&qt1050_pm_ops),
},
- .probe_new = qt1050_probe,
+ .probe = qt1050_probe,
};
module_i2c_driver(qt1050_driver);
.pm = pm_sleep_ptr(&qt1070_pm_ops),
},
.id_table = qt1070_id,
- .probe_new = qt1070_probe,
+ .probe = qt1070_probe,
.remove = qt1070_remove,
};
},
.id_table = qt2160_idtable,
- .probe_new = qt2160_probe,
+ .probe = qt2160_probe,
.remove = qt2160_remove,
};
input_set_drvdata(lradc->input, lradc);
- lradc->base = devm_ioremap_resource(dev,
- platform_get_resource(pdev, IORESOURCE_MEM, 0));
+ lradc->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(lradc->base))
return PTR_ERR(lradc->base);
.name = "tca6416-keypad",
.pm = pm_sleep_ptr(&tca6416_keypad_dev_pm_ops),
},
- .probe_new = tca6416_keypad_probe,
+ .probe = tca6416_keypad_probe,
.remove = tca6416_keypad_remove,
.id_table = tca6416_id,
};
.name = "tca8418_keypad",
.of_match_table = tca8418_dt_ids,
},
- .probe_new = tca8418_keypad_probe,
+ .probe = tca8418_keypad_probe,
.id_table = tca8418_id,
};
timer_setup(&kbc->timer, tegra_kbc_keypress_timer, 0);
- kbc->mmio = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
+ kbc->mmio = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(kbc->mmio))
return PTR_ERR(kbc->mmio);
.pm = pm_sleep_ptr(&tm2_touchkey_pm_ops),
.of_match_table = tm2_touchkey_of_match,
},
- .probe_new = tm2_touchkey_probe,
+ .probe = tm2_touchkey_probe,
.id_table = tm2_touchkey_id_table,
};
module_i2c_driver(tm2_touchkey_driver);
module will be called iqs626a.
config INPUT_IQS7222
- tristate "Azoteq IQS7222A/B/C capacitive touch controller"
+ tristate "Azoteq IQS7222A/B/C/D capacitive touch controller"
depends on I2C
help
- Say Y to enable support for the Azoteq IQS7222A/B/C family
+ Say Y to enable support for the Azoteq IQS7222A/B/C/D family
of capacitive touch controllers.
To compile this driver as a module, choose M here: the
.name = "ad714x_captouch",
.pm = pm_sleep_ptr(&ad714x_pm),
},
- .probe_new = ad714x_i2c_probe,
+ .probe = ad714x_i2c_probe,
.id_table = ad714x_id,
};
.pm = pm_sleep_ptr(&adxl34x_pm),
.of_match_table = adxl34x_of_id,
},
- .probe_new = adxl34x_i2c_probe,
+ .probe = adxl34x_i2c_probe,
.remove = adxl34x_i2c_remove,
.id_table = adxl34x_id,
};
AC_WRITE(ac, POWER_CTL, 0);
err = request_threaded_irq(ac->irq, NULL, adxl34x_irq,
- IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
- dev_name(dev), ac);
+ IRQF_ONESHOT, dev_name(dev), ac);
if (err) {
dev_err(dev, "irq %d busy?\n", ac->irq);
goto err_free_mem;
.driver = {
.name = APANEL,
},
- .probe_new = apanel_probe,
+ .probe = apanel_probe,
.shutdown = apanel_shutdown,
.id_table = apanel_id,
};
MODULE_DEVICE_TABLE(i2c, atmel_captouch_id);
static struct i2c_driver atmel_captouch_driver = {
- .probe_new = atmel_captouch_probe,
+ .probe = atmel_captouch_probe,
.id_table = atmel_captouch_id,
.driver = {
.name = "atmel_captouch",
},
.class = I2C_CLASS_HWMON,
.id_table = bma150_id,
- .probe_new = bma150_probe,
+ .probe = bma150_probe,
.remove = bma150_remove,
};
MODULE_DEVICE_TABLE(i2c, cma3000_i2c_id);
static struct i2c_driver cma3000_i2c_driver = {
- .probe_new = cma3000_i2c_probe,
+ .probe = cma3000_i2c_probe,
.remove = cma3000_i2c_remove,
.id_table = cma3000_i2c_id,
.driver = {
.of_match_table = of_match_ptr(da7280_of_match),
.pm = pm_sleep_ptr(&da7280_pm_ops),
},
- .probe_new = da7280_probe,
+ .probe = da7280_probe,
.id_table = da7280_i2c_id,
};
module_i2c_driver(da7280_driver);
/* Control 3 Register */
#define DRV260X_LRA_OPEN_LOOP (1 << 0)
-#define DRV260X_ANANLOG_IN (1 << 1)
+#define DRV260X_ANALOG_IN (1 << 1)
#define DRV260X_LRA_DRV_MODE (1 << 2)
#define DRV260X_RTP_UNSIGNED_DATA (1 << 3)
#define DRV260X_SUPPLY_COMP_DIS (1 << 4)
struct work_struct work;
struct gpio_desc *enable_gpio;
struct regulator *regulator;
- u32 magnitude;
+ u8 magnitude;
u32 mode;
u32 library;
int rated_voltage;
int overdrive_voltage;
};
-static const struct reg_default drv260x_reg_defs[] = {
- { DRV260X_STATUS, 0xe0 },
- { DRV260X_MODE, 0x40 },
- { DRV260X_RT_PB_IN, 0x00 },
- { DRV260X_LIB_SEL, 0x00 },
- { DRV260X_WV_SEQ_1, 0x01 },
- { DRV260X_WV_SEQ_2, 0x00 },
- { DRV260X_WV_SEQ_3, 0x00 },
- { DRV260X_WV_SEQ_4, 0x00 },
- { DRV260X_WV_SEQ_5, 0x00 },
- { DRV260X_WV_SEQ_6, 0x00 },
- { DRV260X_WV_SEQ_7, 0x00 },
- { DRV260X_WV_SEQ_8, 0x00 },
- { DRV260X_GO, 0x00 },
- { DRV260X_OVERDRIVE_OFF, 0x00 },
- { DRV260X_SUSTAIN_P_OFF, 0x00 },
- { DRV260X_SUSTAIN_N_OFF, 0x00 },
- { DRV260X_BRAKE_OFF, 0x00 },
- { DRV260X_A_TO_V_CTRL, 0x05 },
- { DRV260X_A_TO_V_MIN_INPUT, 0x19 },
- { DRV260X_A_TO_V_MAX_INPUT, 0xff },
- { DRV260X_A_TO_V_MIN_OUT, 0x19 },
- { DRV260X_A_TO_V_MAX_OUT, 0xff },
- { DRV260X_RATED_VOLT, 0x3e },
- { DRV260X_OD_CLAMP_VOLT, 0x8c },
- { DRV260X_CAL_COMP, 0x0c },
- { DRV260X_CAL_BACK_EMF, 0x6c },
- { DRV260X_FEEDBACK_CTRL, 0x36 },
- { DRV260X_CTRL1, 0x93 },
- { DRV260X_CTRL2, 0xfa },
- { DRV260X_CTRL3, 0xa0 },
- { DRV260X_CTRL4, 0x20 },
- { DRV260X_CTRL5, 0x80 },
- { DRV260X_LRA_LOOP_PERIOD, 0x33 },
- { DRV260X_VBAT_MON, 0x00 },
- { DRV260X_LRA_RES_PERIOD, 0x00 },
-};
-
#define DRV260X_DEF_RATED_VOLT 0x90
#define DRV260X_DEF_OD_CLAMP_VOLT 0x90
haptics->mode = DRV260X_LRA_NO_CAL_MODE;
+ /* Scale u16 magnitude into u8 register value */
if (effect->u.rumble.strong_magnitude > 0)
- haptics->magnitude = effect->u.rumble.strong_magnitude;
+ haptics->magnitude = effect->u.rumble.strong_magnitude >> 8;
else if (effect->u.rumble.weak_magnitude > 0)
- haptics->magnitude = effect->u.rumble.weak_magnitude;
+ haptics->magnitude = effect->u.rumble.weak_magnitude >> 8;
else
haptics->magnitude = 0;
static const struct reg_sequence drv260x_lra_cal_regs[] = {
{ DRV260X_MODE, DRV260X_AUTO_CAL },
- { DRV260X_CTRL3, DRV260X_NG_THRESH_2 },
+ { DRV260X_CTRL3, DRV260X_NG_THRESH_2 | DRV260X_RTP_UNSIGNED_DATA },
{ DRV260X_FEEDBACK_CTRL, DRV260X_FB_REG_LRA_MODE |
DRV260X_BRAKE_FACTOR_4X | DRV260X_LOOP_GAIN_HIGH },
};
DRV260X_BEMF_GAIN_3 },
{ DRV260X_CTRL1, DRV260X_STARTUP_BOOST },
{ DRV260X_CTRL2, DRV260X_SAMP_TIME_250 },
- { DRV260X_CTRL3, DRV260X_NG_THRESH_2 | DRV260X_ANANLOG_IN },
+ { DRV260X_CTRL3, DRV260X_NG_THRESH_2 | DRV260X_RTP_UNSIGNED_DATA | DRV260X_ANALOG_IN },
{ DRV260X_CTRL4, DRV260X_AUTOCAL_TIME_500MS },
};
{ DRV260X_CTRL1, DRV260X_STARTUP_BOOST },
{ DRV260X_CTRL2, DRV260X_SAMP_TIME_250 | DRV260X_BLANK_TIME_75 |
DRV260X_IDISS_TIME_75 },
- { DRV260X_CTRL3, DRV260X_NG_THRESH_2 | DRV260X_ERM_OPEN_LOOP },
+ { DRV260X_CTRL3, DRV260X_NG_THRESH_2 | DRV260X_RTP_UNSIGNED_DATA },
{ DRV260X_CTRL4, DRV260X_AUTOCAL_TIME_500MS },
};
}
do {
+ usleep_range(15000, 15500);
error = regmap_read(haptics->regmap, DRV260X_GO, &cal_buf);
if (error) {
dev_err(&haptics->client->dev,
.val_bits = 8,
.max_register = DRV260X_MAX_REG,
- .reg_defaults = drv260x_reg_defs,
- .num_reg_defaults = ARRAY_SIZE(drv260x_reg_defs),
.cache_type = REGCACHE_NONE,
};
MODULE_DEVICE_TABLE(of, drv260x_of_match);
static struct i2c_driver drv260x_driver = {
- .probe_new = drv260x_probe,
+ .probe = drv260x_probe,
.driver = {
.name = "drv260x-haptics",
.of_match_table = drv260x_of_match,
#endif
static struct i2c_driver drv2665_driver = {
- .probe_new = drv2665_probe,
+ .probe = drv2665_probe,
.driver = {
.name = "drv2665-haptics",
.of_match_table = of_match_ptr(drv2665_of_match),
#endif
static struct i2c_driver drv2667_driver = {
- .probe_new = drv2667_probe,
+ .probe = drv2667_probe,
.driver = {
.name = "drv2667-haptics",
.of_match_table = of_match_ptr(drv2667_of_match),
return -ENOMEM;
vibrator->vcc = devm_regulator_get(&pdev->dev, "vcc");
- err = PTR_ERR_OR_ZERO(vibrator->vcc);
- if (err) {
- if (err != -EPROBE_DEFER)
- dev_err(&pdev->dev, "Failed to request regulator: %d\n",
- err);
- return err;
- }
+ if (IS_ERR(vibrator->vcc))
+ return dev_err_probe(&pdev->dev, PTR_ERR(vibrator->vcc),
+ "Failed to request regulator\n");
vibrator->gpio = devm_gpiod_get(&pdev->dev, "enable", GPIOD_OUT_LOW);
- err = PTR_ERR_OR_ZERO(vibrator->gpio);
- if (err) {
- if (err != -EPROBE_DEFER)
- dev_err(&pdev->dev, "Failed to request main gpio: %d\n",
- err);
- return err;
- }
+ if (IS_ERR(vibrator->gpio))
+ return dev_err_probe(&pdev->dev, PTR_ERR(vibrator->gpio),
+ "Failed to request main gpio\n");
INIT_WORK(&vibrator->play_work, gpio_vibrator_play_work);
.name = DEVICE_NAME,
.of_match_table = ibm_panel_match,
},
- .probe_new = ibm_panel_probe,
+ .probe = ibm_panel_probe,
.remove = ibm_panel_remove,
};
module_i2c_driver(ibm_panel_driver);
.of_match_table = iqs269_of_match,
.pm = pm_sleep_ptr(&iqs269_pm),
},
- .probe_new = iqs269_probe,
+ .probe = iqs269_probe,
};
module_i2c_driver(iqs269_i2c_driver);
.of_match_table = iqs626_of_match,
.pm = pm_sleep_ptr(&iqs626_pm),
},
- .probe_new = iqs626_probe,
+ .probe = iqs626_probe,
};
module_i2c_driver(iqs626_i2c_driver);
// SPDX-License-Identifier: GPL-2.0-or-later
/*
- * Azoteq IQS7222A/B/C Capacitive Touch Controller
+ * Azoteq IQS7222A/B/C/D Capacitive Touch Controller
*
* Copyright (C) 2022 Jeff LaBundy <jeff@labundy.com>
*/
#include <linux/gpio/consumer.h>
#include <linux/i2c.h>
#include <linux/input.h>
+#include <linux/input/touchscreen.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/ktime.h>
#define IQS7222_PROD_NUM_A 840
#define IQS7222_PROD_NUM_B 698
#define IQS7222_PROD_NUM_C 863
+#define IQS7222_PROD_NUM_D 1046
#define IQS7222_SYS_STATUS 0x10
#define IQS7222_SYS_STATUS_RESET BIT(3)
#define IQS7222_EVENT_MASK_ATI BIT(12)
#define IQS7222_EVENT_MASK_SLDR BIT(10)
+#define IQS7222_EVENT_MASK_TPAD IQS7222_EVENT_MASK_SLDR
#define IQS7222_EVENT_MASK_TOUCH BIT(1)
#define IQS7222_EVENT_MASK_PROX BIT(0)
#define IQS7222_MAX_COLS_CHAN 6
#define IQS7222_MAX_COLS_FILT 2
#define IQS7222_MAX_COLS_SLDR 11
+#define IQS7222_MAX_COLS_TPAD 24
#define IQS7222_MAX_COLS_GPIO 3
#define IQS7222_MAX_COLS_SYS 13
IQS7222_REG_GRP_BTN,
IQS7222_REG_GRP_CHAN,
IQS7222_REG_GRP_SLDR,
+ IQS7222_REG_GRP_TPAD,
IQS7222_REG_GRP_GPIO,
IQS7222_REG_GRP_SYS,
IQS7222_NUM_REG_GRPS
};
static const char * const iqs7222_reg_grp_names[IQS7222_NUM_REG_GRPS] = {
- [IQS7222_REG_GRP_CYCLE] = "cycle",
- [IQS7222_REG_GRP_CHAN] = "channel",
- [IQS7222_REG_GRP_SLDR] = "slider",
- [IQS7222_REG_GRP_GPIO] = "gpio",
+ [IQS7222_REG_GRP_CYCLE] = "cycle-%d",
+ [IQS7222_REG_GRP_CHAN] = "channel-%d",
+ [IQS7222_REG_GRP_SLDR] = "slider-%d",
+ [IQS7222_REG_GRP_TPAD] = "trackpad",
+ [IQS7222_REG_GRP_GPIO] = "gpio-%d",
};
static const unsigned int iqs7222_max_cols[IQS7222_NUM_REG_GRPS] = {
[IQS7222_REG_GRP_CHAN] = IQS7222_MAX_COLS_CHAN,
[IQS7222_REG_GRP_FILT] = IQS7222_MAX_COLS_FILT,
[IQS7222_REG_GRP_SLDR] = IQS7222_MAX_COLS_SLDR,
+ [IQS7222_REG_GRP_TPAD] = IQS7222_MAX_COLS_TPAD,
[IQS7222_REG_GRP_GPIO] = IQS7222_MAX_COLS_GPIO,
[IQS7222_REG_GRP_SYS] = IQS7222_MAX_COLS_SYS,
};
struct iqs7222_event_desc {
const char *name;
+ u16 link;
u16 mask;
u16 val;
+ u16 strict;
u16 enable;
enum iqs7222_reg_key_id reg_key;
};
},
};
+static const struct iqs7222_event_desc iqs7222_tp_events[] = {
+ {
+ .name = "event-press",
+ .link = BIT(7),
+ },
+ {
+ .name = "event-tap",
+ .link = BIT(0),
+ .mask = BIT(0),
+ .val = BIT(0),
+ .enable = BIT(0),
+ .reg_key = IQS7222_REG_KEY_TAP,
+ },
+ {
+ .name = "event-swipe-x-pos",
+ .link = BIT(2),
+ .mask = BIT(2) | BIT(1),
+ .val = BIT(2),
+ .strict = BIT(4),
+ .enable = BIT(1),
+ .reg_key = IQS7222_REG_KEY_AXIAL,
+ },
+ {
+ .name = "event-swipe-y-pos",
+ .link = BIT(3),
+ .mask = BIT(3) | BIT(1),
+ .val = BIT(3),
+ .strict = BIT(3),
+ .enable = BIT(1),
+ .reg_key = IQS7222_REG_KEY_AXIAL,
+ },
+ {
+ .name = "event-swipe-x-neg",
+ .link = BIT(4),
+ .mask = BIT(4) | BIT(1),
+ .val = BIT(4),
+ .strict = BIT(4),
+ .enable = BIT(1),
+ .reg_key = IQS7222_REG_KEY_AXIAL,
+ },
+ {
+ .name = "event-swipe-y-neg",
+ .link = BIT(5),
+ .mask = BIT(5) | BIT(1),
+ .val = BIT(5),
+ .strict = BIT(3),
+ .enable = BIT(1),
+ .reg_key = IQS7222_REG_KEY_AXIAL,
+ },
+ {
+ .name = "event-flick-x-pos",
+ .link = BIT(2),
+ .mask = BIT(2) | BIT(1),
+ .val = BIT(2) | BIT(1),
+ .strict = BIT(4),
+ .enable = BIT(2),
+ .reg_key = IQS7222_REG_KEY_AXIAL,
+ },
+ {
+ .name = "event-flick-y-pos",
+ .link = BIT(3),
+ .mask = BIT(3) | BIT(1),
+ .val = BIT(3) | BIT(1),
+ .strict = BIT(3),
+ .enable = BIT(2),
+ .reg_key = IQS7222_REG_KEY_AXIAL,
+ },
+ {
+ .name = "event-flick-x-neg",
+ .link = BIT(4),
+ .mask = BIT(4) | BIT(1),
+ .val = BIT(4) | BIT(1),
+ .strict = BIT(4),
+ .enable = BIT(2),
+ .reg_key = IQS7222_REG_KEY_AXIAL,
+ },
+ {
+ .name = "event-flick-y-neg",
+ .link = BIT(5),
+ .mask = BIT(5) | BIT(1),
+ .val = BIT(5) | BIT(1),
+ .strict = BIT(3),
+ .enable = BIT(2),
+ .reg_key = IQS7222_REG_KEY_AXIAL,
+ },
+};
+
struct iqs7222_reg_grp_desc {
u16 base;
int num_row;
},
},
},
+ {
+ .prod_num = IQS7222_PROD_NUM_D,
+ .fw_major = 0,
+ .fw_minor = 37,
+ .touch_link = 1770,
+ .allow_offset = 9,
+ .event_offset = 10,
+ .comms_offset = 11,
+ .reg_grps = {
+ [IQS7222_REG_GRP_STAT] = {
+ .base = IQS7222_SYS_STATUS,
+ .num_row = 1,
+ .num_col = 7,
+ },
+ [IQS7222_REG_GRP_CYCLE] = {
+ .base = 0x8000,
+ .num_row = 7,
+ .num_col = 2,
+ },
+ [IQS7222_REG_GRP_GLBL] = {
+ .base = 0x8700,
+ .num_row = 1,
+ .num_col = 3,
+ },
+ [IQS7222_REG_GRP_BTN] = {
+ .base = 0x9000,
+ .num_row = 14,
+ .num_col = 3,
+ },
+ [IQS7222_REG_GRP_CHAN] = {
+ .base = 0xA000,
+ .num_row = 14,
+ .num_col = 4,
+ },
+ [IQS7222_REG_GRP_FILT] = {
+ .base = 0xAE00,
+ .num_row = 1,
+ .num_col = 2,
+ },
+ [IQS7222_REG_GRP_TPAD] = {
+ .base = 0xB000,
+ .num_row = 1,
+ .num_col = 24,
+ },
+ [IQS7222_REG_GRP_GPIO] = {
+ .base = 0xC000,
+ .num_row = 3,
+ .num_col = 3,
+ },
+ [IQS7222_REG_GRP_SYS] = {
+ .base = IQS7222_SYS_SETUP,
+ .num_row = 1,
+ .num_col = 12,
+ },
+ },
+ },
};
struct iqs7222_prop_desc {
.val_pitch = 4,
.label = "maximum gesture time",
},
+ {
+ .name = "azoteq,num-rows",
+ .reg_grp = IQS7222_REG_GRP_TPAD,
+ .reg_offset = 0,
+ .reg_shift = 4,
+ .reg_width = 4,
+ .val_min = 1,
+ .val_max = 12,
+ .label = "number of rows",
+ },
+ {
+ .name = "azoteq,num-cols",
+ .reg_grp = IQS7222_REG_GRP_TPAD,
+ .reg_offset = 0,
+ .reg_shift = 0,
+ .reg_width = 4,
+ .val_min = 1,
+ .val_max = 12,
+ .label = "number of columns",
+ },
+ {
+ .name = "azoteq,lower-cal-y",
+ .reg_grp = IQS7222_REG_GRP_TPAD,
+ .reg_offset = 1,
+ .reg_shift = 8,
+ .reg_width = 8,
+ .label = "lower vertical calibration",
+ },
+ {
+ .name = "azoteq,lower-cal-x",
+ .reg_grp = IQS7222_REG_GRP_TPAD,
+ .reg_offset = 1,
+ .reg_shift = 0,
+ .reg_width = 8,
+ .label = "lower horizontal calibration",
+ },
+ {
+ .name = "azoteq,upper-cal-y",
+ .reg_grp = IQS7222_REG_GRP_TPAD,
+ .reg_offset = 2,
+ .reg_shift = 8,
+ .reg_width = 8,
+ .label = "upper vertical calibration",
+ },
+ {
+ .name = "azoteq,upper-cal-x",
+ .reg_grp = IQS7222_REG_GRP_TPAD,
+ .reg_offset = 2,
+ .reg_shift = 0,
+ .reg_width = 8,
+ .label = "upper horizontal calibration",
+ },
+ {
+ .name = "azoteq,top-speed",
+ .reg_grp = IQS7222_REG_GRP_TPAD,
+ .reg_offset = 3,
+ .reg_shift = 8,
+ .reg_width = 8,
+ .val_pitch = 4,
+ .label = "top speed",
+ },
+ {
+ .name = "azoteq,bottom-speed",
+ .reg_grp = IQS7222_REG_GRP_TPAD,
+ .reg_offset = 3,
+ .reg_shift = 0,
+ .reg_width = 8,
+ .label = "bottom speed",
+ },
+ {
+ .name = "azoteq,gesture-min-ms",
+ .reg_grp = IQS7222_REG_GRP_TPAD,
+ .reg_key = IQS7222_REG_KEY_TAP,
+ .reg_offset = 20,
+ .reg_shift = 8,
+ .reg_width = 8,
+ .val_pitch = 16,
+ .label = "minimum gesture time",
+ },
+ {
+ .name = "azoteq,gesture-max-ms",
+ .reg_grp = IQS7222_REG_GRP_TPAD,
+ .reg_key = IQS7222_REG_KEY_AXIAL,
+ .reg_offset = 21,
+ .reg_shift = 8,
+ .reg_width = 8,
+ .val_pitch = 16,
+ .label = "maximum gesture time",
+ },
+ {
+ .name = "azoteq,gesture-max-ms",
+ .reg_grp = IQS7222_REG_GRP_TPAD,
+ .reg_key = IQS7222_REG_KEY_TAP,
+ .reg_offset = 21,
+ .reg_shift = 0,
+ .reg_width = 8,
+ .val_pitch = 16,
+ .label = "maximum gesture time",
+ },
+ {
+ .name = "azoteq,gesture-dist",
+ .reg_grp = IQS7222_REG_GRP_TPAD,
+ .reg_key = IQS7222_REG_KEY_TAP,
+ .reg_offset = 22,
+ .reg_shift = 0,
+ .reg_width = 16,
+ .label = "gesture distance",
+ },
+ {
+ .name = "azoteq,gesture-dist",
+ .reg_grp = IQS7222_REG_GRP_TPAD,
+ .reg_key = IQS7222_REG_KEY_AXIAL,
+ .reg_offset = 23,
+ .reg_shift = 0,
+ .reg_width = 16,
+ .label = "gesture distance",
+ },
{
.name = "drive-open-drain",
.reg_grp = IQS7222_REG_GRP_GPIO,
struct gpio_desc *irq_gpio;
struct i2c_client *client;
struct input_dev *keypad;
+ struct touchscreen_properties prop;
unsigned int kp_type[IQS7222_MAX_CHAN][ARRAY_SIZE(iqs7222_kp_events)];
unsigned int kp_code[IQS7222_MAX_CHAN][ARRAY_SIZE(iqs7222_kp_events)];
unsigned int sl_code[IQS7222_MAX_SLDR][ARRAY_SIZE(iqs7222_sl_events)];
unsigned int sl_axis[IQS7222_MAX_SLDR];
+ unsigned int tp_code[ARRAY_SIZE(iqs7222_tp_events)];
u16 cycle_setup[IQS7222_MAX_CHAN / 2][IQS7222_MAX_COLS_CYCLE];
u16 glbl_setup[IQS7222_MAX_COLS_GLBL];
u16 btn_setup[IQS7222_MAX_CHAN][IQS7222_MAX_COLS_BTN];
u16 chan_setup[IQS7222_MAX_CHAN][IQS7222_MAX_COLS_CHAN];
u16 filt_setup[IQS7222_MAX_COLS_FILT];
u16 sldr_setup[IQS7222_MAX_SLDR][IQS7222_MAX_COLS_SLDR];
+ u16 tpad_setup[IQS7222_MAX_COLS_TPAD];
u16 gpio_setup[ARRAY_SIZE(iqs7222_gpio_links)][IQS7222_MAX_COLS_GPIO];
u16 sys_setup[IQS7222_MAX_COLS_SYS];
};
case IQS7222_REG_GRP_SLDR:
return iqs7222->sldr_setup[row];
+ case IQS7222_REG_GRP_TPAD:
+ return iqs7222->tpad_setup;
+
case IQS7222_REG_GRP_GPIO:
return iqs7222->gpio_setup[row];
if (error)
return error;
- sys_setup &= ~IQS7222_SYS_SETUP_INTF_MODE_MASK;
- sys_setup &= ~IQS7222_SYS_SETUP_PWR_MODE_MASK;
-
for (i = 0; i < IQS7222_NUM_RETRIES; i++) {
/*
* Trigger ATI from streaming and normal-power modes so that
return error;
}
- if (dir == READ)
+ if (dir == READ) {
+ iqs7222->sys_setup[0] &= ~IQS7222_SYS_SETUP_INTF_MODE_MASK;
+ iqs7222->sys_setup[0] &= ~IQS7222_SYS_SETUP_PWR_MODE_MASK;
return 0;
+ }
return iqs7222_ati_trigger(iqs7222);
}
ref_setup[4] = dev_desc->touch_link;
if (fwnode_property_present(chan_node, "azoteq,use-prox"))
ref_setup[4] -= 2;
+ } else if (dev_desc->reg_grps[IQS7222_REG_GRP_TPAD].num_row &&
+ fwnode_property_present(chan_node,
+ "azoteq,counts-filt-enable")) {
+ /*
+ * In the case of IQS7222D, however, the reference mode field
+ * is partially repurposed as a counts filter enable control.
+ */
+ chan_setup[0] |= IQS7222_CHAN_SETUP_0_REF_MODE_REF;
}
if (fwnode_property_present(chan_node, "azoteq,rx-enable")) {
IQS7222_REG_KEY_NO_WHEEL);
}
+static int iqs7222_parse_tpad(struct iqs7222_private *iqs7222,
+ struct fwnode_handle *tpad_node, int tpad_index)
+{
+ const struct iqs7222_dev_desc *dev_desc = iqs7222->dev_desc;
+ struct touchscreen_properties *prop = &iqs7222->prop;
+ struct i2c_client *client = iqs7222->client;
+ int num_chan = dev_desc->reg_grps[IQS7222_REG_GRP_CHAN].num_row;
+ int count, error, i;
+ u16 *event_mask = &iqs7222->sys_setup[dev_desc->event_offset];
+ u16 *tpad_setup = iqs7222->tpad_setup;
+ unsigned int chan_sel[12];
+
+ error = iqs7222_parse_props(iqs7222, tpad_node, tpad_index,
+ IQS7222_REG_GRP_TPAD,
+ IQS7222_REG_KEY_NONE);
+ if (error)
+ return error;
+
+ count = fwnode_property_count_u32(tpad_node, "azoteq,channel-select");
+ if (count < 0) {
+ dev_err(&client->dev, "Failed to count %s channels: %d\n",
+ fwnode_get_name(tpad_node), count);
+ return count;
+ } else if (!count || count > ARRAY_SIZE(chan_sel)) {
+ dev_err(&client->dev, "Invalid number of %s channels\n",
+ fwnode_get_name(tpad_node));
+ return -EINVAL;
+ }
+
+ error = fwnode_property_read_u32_array(tpad_node,
+ "azoteq,channel-select",
+ chan_sel, count);
+ if (error) {
+ dev_err(&client->dev, "Failed to read %s channels: %d\n",
+ fwnode_get_name(tpad_node), error);
+ return error;
+ }
+
+ tpad_setup[6] &= ~GENMASK(num_chan - 1, 0);
+
+ for (i = 0; i < ARRAY_SIZE(chan_sel); i++) {
+ tpad_setup[8 + i] = 0;
+ if (i >= count || chan_sel[i] == U8_MAX)
+ continue;
+
+ if (chan_sel[i] >= num_chan) {
+ dev_err(&client->dev, "Invalid %s channel: %u\n",
+ fwnode_get_name(tpad_node), chan_sel[i]);
+ return -EINVAL;
+ }
+
+ /*
+ * The following fields indicate which channels participate in
+ * the trackpad, as well as each channel's relative placement.
+ */
+ tpad_setup[6] |= BIT(chan_sel[i]);
+ tpad_setup[8 + i] = chan_sel[i] * 34 + 1072;
+ }
+
+ tpad_setup[7] = dev_desc->touch_link;
+ if (fwnode_property_present(tpad_node, "azoteq,use-prox"))
+ tpad_setup[7] -= 2;
+
+ for (i = 0; i < ARRAY_SIZE(iqs7222_tp_events); i++)
+ tpad_setup[20] &= ~(iqs7222_tp_events[i].strict |
+ iqs7222_tp_events[i].enable);
+
+ for (i = 0; i < ARRAY_SIZE(iqs7222_tp_events); i++) {
+ const char *event_name = iqs7222_tp_events[i].name;
+ struct fwnode_handle *event_node;
+
+ event_node = fwnode_get_named_child_node(tpad_node, event_name);
+ if (!event_node)
+ continue;
+
+ if (fwnode_property_present(event_node,
+ "azoteq,gesture-angle-tighten"))
+ tpad_setup[20] |= iqs7222_tp_events[i].strict;
+
+ tpad_setup[20] |= iqs7222_tp_events[i].enable;
+
+ error = iqs7222_parse_event(iqs7222, event_node, tpad_index,
+ IQS7222_REG_GRP_TPAD,
+ iqs7222_tp_events[i].reg_key,
+ iqs7222_tp_events[i].link, 1566,
+ NULL,
+ &iqs7222->tp_code[i]);
+ fwnode_handle_put(event_node);
+ if (error)
+ return error;
+
+ if (!dev_desc->event_offset)
+ continue;
+
+ /*
+ * The press/release event is determined based on whether the
+ * coordinate fields report 0xFFFF and solely relies on touch
+ * or proximity interrupts to be unmasked.
+ */
+ if (i)
+ *event_mask |= IQS7222_EVENT_MASK_TPAD;
+ else if (tpad_setup[7] == dev_desc->touch_link)
+ *event_mask |= IQS7222_EVENT_MASK_TOUCH;
+ else
+ *event_mask |= IQS7222_EVENT_MASK_PROX;
+ }
+
+ if (!iqs7222->tp_code[0])
+ return 0;
+
+ input_set_abs_params(iqs7222->keypad, ABS_X,
+ 0, (tpad_setup[4] ? : 1) - 1, 0, 0);
+
+ input_set_abs_params(iqs7222->keypad, ABS_Y,
+ 0, (tpad_setup[5] ? : 1) - 1, 0, 0);
+
+ touchscreen_parse_properties(iqs7222->keypad, false, prop);
+
+ if (prop->max_x >= U16_MAX || prop->max_y >= U16_MAX) {
+ dev_err(&client->dev, "Invalid trackpad size: %u*%u\n",
+ prop->max_x, prop->max_y);
+ return -EINVAL;
+ }
+
+ tpad_setup[4] = prop->max_x + 1;
+ tpad_setup[5] = prop->max_y + 1;
+
+ return 0;
+}
+
static int (*iqs7222_parse_extra[IQS7222_NUM_REG_GRPS])
(struct iqs7222_private *iqs7222,
struct fwnode_handle *reg_grp_node,
[IQS7222_REG_GRP_CYCLE] = iqs7222_parse_cycle,
[IQS7222_REG_GRP_CHAN] = iqs7222_parse_chan,
[IQS7222_REG_GRP_SLDR] = iqs7222_parse_sldr,
+ [IQS7222_REG_GRP_TPAD] = iqs7222_parse_tpad,
};
static int iqs7222_parse_reg_grp(struct iqs7222_private *iqs7222,
if (iqs7222_reg_grp_names[reg_grp]) {
char reg_grp_name[16];
- snprintf(reg_grp_name, sizeof(reg_grp_name), "%s-%d",
+ snprintf(reg_grp_name, sizeof(reg_grp_name),
iqs7222_reg_grp_names[reg_grp], reg_grp_index);
reg_grp_node = device_get_named_child_node(&client->dev,
continue;
/*
- * The IQS7222C exposes multiple GPIO and must be informed
- * as to which GPIO this group represents.
+ * The IQS7222C and IQS7222D expose multiple GPIO and must be
+ * informed as to which GPIO this group represents.
*/
for (j = 0; j < ARRAY_SIZE(iqs7222_gpio_links); j++)
gpio_setup[0] &= ~BIT(iqs7222_gpio_links[j]);
iqs7222->sl_code[i][j], 0);
}
+ for (i = 0; i < dev_desc->reg_grps[IQS7222_REG_GRP_TPAD].num_row; i++) {
+ u16 tpad_pos_x = le16_to_cpu(status[4]);
+ u16 tpad_pos_y = le16_to_cpu(status[5]);
+ u16 state = le16_to_cpu(status[6]);
+
+ input_report_key(iqs7222->keypad, iqs7222->tp_code[0],
+ tpad_pos_x < U16_MAX);
+
+ if (tpad_pos_x < U16_MAX)
+ touchscreen_report_pos(iqs7222->keypad, &iqs7222->prop,
+ tpad_pos_x, tpad_pos_y, false);
+
+ if (!(le16_to_cpu(status[1]) & IQS7222_EVENT_MASK_TPAD))
+ continue;
+
+ /*
+ * Skip the press/release event, as it does not have separate
+ * status fields and is handled separately.
+ */
+ for (j = 1; j < ARRAY_SIZE(iqs7222_tp_events); j++) {
+ u16 mask = iqs7222_tp_events[j].mask;
+ u16 val = iqs7222_tp_events[j].val;
+
+ input_report_key(iqs7222->keypad,
+ iqs7222->tp_code[j],
+ (state & mask) == val);
+ }
+
+ input_sync(iqs7222->keypad);
+
+ for (j = 1; j < ARRAY_SIZE(iqs7222_tp_events); j++)
+ input_report_key(iqs7222->keypad,
+ iqs7222->tp_code[j], 0);
+ }
+
input_sync(iqs7222->keypad);
return 0;
{ .compatible = "azoteq,iqs7222a" },
{ .compatible = "azoteq,iqs7222b" },
{ .compatible = "azoteq,iqs7222c" },
+ { .compatible = "azoteq,iqs7222d" },
{ }
};
MODULE_DEVICE_TABLE(of, iqs7222_of_match);
.name = "iqs7222",
.of_match_table = iqs7222_of_match,
},
- .probe_new = iqs7222_probe,
+ .probe = iqs7222_probe,
};
module_i2c_driver(iqs7222_i2c_driver);
MODULE_AUTHOR("Jeff LaBundy <jeff@labundy.com>");
-MODULE_DESCRIPTION("Azoteq IQS7222A/B/C Capacitive Touch Controller");
+MODULE_DESCRIPTION("Azoteq IQS7222A/B/C/D Capacitive Touch Controller");
MODULE_LICENSE("GPL");
.name = NAME,
.pm = pm_sleep_ptr(&kxtj9_pm_ops),
},
- .probe_new = kxtj9_probe,
+ .probe = kxtj9_probe,
.id_table = kxtj9_id,
};
.name = MMA8450_DRV_NAME,
.of_match_table = mma8450_dt_ids,
},
- .probe_new = mma8450_probe,
+ .probe = mma8450_probe,
.id_table = mma8450_id,
};
.name = DRV_NAME,
.pm = pm_sleep_ptr(&pcf8574_kp_pm_ops),
},
- .probe_new = pcf8574_kp_probe,
+ .probe = pcf8574_kp_probe,
.remove = pcf8574_kp_remove,
.id_table = pcf8574_kp_id,
};
#define PON_RESIN_PULL_UP BIT(0)
#define PON_DBC_CTL 0x71
-#define PON_DBC_DELAY_MASK 0x7
+#define PON_DBC_DELAY_MASK_GEN1 0x7
+#define PON_DBC_DELAY_MASK_GEN2 0xf
+#define PON_DBC_SHIFT_GEN1 6
+#define PON_DBC_SHIFT_GEN2 14
struct pm8941_data {
unsigned int pull_up_bit;
struct device *parent;
struct device_node *regmap_node;
const __be32 *addr;
- u32 req_delay;
+ u32 req_delay, mask, delay_shift;
int error;
if (of_property_read_u32(pdev->dev.of_node, "debounce", &req_delay))
pwrkey->input->phys = pwrkey->data->phys;
if (pwrkey->data->supports_debounce_config) {
- req_delay = (req_delay << 6) / USEC_PER_SEC;
+ if (pwrkey->subtype >= PON_SUBTYPE_GEN2_PRIMARY) {
+ mask = PON_DBC_DELAY_MASK_GEN2;
+ delay_shift = PON_DBC_SHIFT_GEN2;
+ } else {
+ mask = PON_DBC_DELAY_MASK_GEN1;
+ delay_shift = PON_DBC_SHIFT_GEN1;
+ }
+
+ req_delay = (req_delay << delay_shift) / USEC_PER_SEC;
req_delay = ilog2(req_delay);
error = regmap_update_bits(pwrkey->regmap,
pwrkey->baseaddr + PON_DBC_CTL,
- PON_DBC_DELAY_MASK,
+ mask,
req_delay);
if (error) {
dev_err(&pdev->dev, "failed to set debounce: %d\n",
return -ENOMEM;
beeper->pwm = devm_pwm_get(dev, NULL);
- if (IS_ERR(beeper->pwm)) {
- error = PTR_ERR(beeper->pwm);
- if (error != -EPROBE_DEFER)
- dev_err(dev, "Failed to request PWM device: %d\n",
- error);
- return error;
- }
+ if (IS_ERR(beeper->pwm))
+ return dev_err_probe(dev, PTR_ERR(beeper->pwm), "Failed to request PWM device\n");
/* Sync up PWM state and ensure it is off. */
pwm_init_state(beeper->pwm, &state);
}
beeper->amplifier = devm_regulator_get(dev, "amp");
- if (IS_ERR(beeper->amplifier)) {
- error = PTR_ERR(beeper->amplifier);
- if (error != -EPROBE_DEFER)
- dev_err(dev, "Failed to get 'amp' regulator: %d\n",
- error);
- return error;
- }
+ if (IS_ERR(beeper->amplifier))
+ return dev_err_probe(dev, PTR_ERR(beeper->amplifier),
+ "Failed to get 'amp' regulator\n");
INIT_WORK(&beeper->work, pwm_beeper_work);
* Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
*/
+#include <linux/gpio/consumer.h>
#include <linux/input.h>
#include <linux/kernel.h>
#include <linux/module.h>
struct pwm_vibrator {
struct input_dev *input;
+ struct gpio_desc *enable_gpio;
struct pwm_device *pwm;
struct pwm_device *pwm_dir;
struct regulator *vcc;
if (!vibrator->vcc_on) {
err = regulator_enable(vibrator->vcc);
if (err) {
- dev_err(pdev, "failed to enable regulator: %d", err);
+ dev_err(pdev, "failed to enable regulator: %d\n", err);
return err;
}
vibrator->vcc_on = true;
}
+ gpiod_set_value_cansleep(vibrator->enable_gpio, 1);
+
pwm_get_state(vibrator->pwm, &state);
pwm_set_relative_duty_cycle(&state, vibrator->level, 0xffff);
state.enabled = true;
err = pwm_apply_state(vibrator->pwm, &state);
if (err) {
- dev_err(pdev, "failed to apply pwm state: %d", err);
+ dev_err(pdev, "failed to apply pwm state: %d\n", err);
return err;
}
err = pwm_apply_state(vibrator->pwm_dir, &state);
if (err) {
- dev_err(pdev, "failed to apply dir-pwm state: %d", err);
+ dev_err(pdev, "failed to apply dir-pwm state: %d\n", err);
pwm_disable(vibrator->pwm);
return err;
}
pwm_disable(vibrator->pwm_dir);
pwm_disable(vibrator->pwm);
+ gpiod_set_value_cansleep(vibrator->enable_gpio, 0);
+
if (vibrator->vcc_on) {
regulator_disable(vibrator->vcc);
vibrator->vcc_on = false;
return -ENOMEM;
vibrator->vcc = devm_regulator_get(&pdev->dev, "vcc");
- err = PTR_ERR_OR_ZERO(vibrator->vcc);
- if (err) {
- if (err != -EPROBE_DEFER)
- dev_err(&pdev->dev, "Failed to request regulator: %d",
- err);
- return err;
- }
+ if (IS_ERR(vibrator->vcc))
+ return dev_err_probe(&pdev->dev, PTR_ERR(vibrator->vcc),
+ "Failed to request regulator\n");
+
+ vibrator->enable_gpio = devm_gpiod_get_optional(&pdev->dev, "enable",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(vibrator->enable_gpio))
+ return dev_err_probe(&pdev->dev, PTR_ERR(vibrator->enable_gpio),
+ "Failed to request enable gpio\n");
vibrator->pwm = devm_pwm_get(&pdev->dev, "enable");
- err = PTR_ERR_OR_ZERO(vibrator->pwm);
- if (err) {
- if (err != -EPROBE_DEFER)
- dev_err(&pdev->dev, "Failed to request main pwm: %d",
- err);
- return err;
- }
+ if (IS_ERR(vibrator->pwm))
+ return dev_err_probe(&pdev->dev, PTR_ERR(vibrator->pwm),
+ "Failed to request main pwm\n");
INIT_WORK(&vibrator->play_work, pwm_vibrator_play_work);
state.enabled = false;
err = pwm_apply_state(vibrator->pwm, &state);
if (err) {
- dev_err(&pdev->dev, "failed to apply initial PWM state: %d",
+ dev_err(&pdev->dev, "failed to apply initial PWM state: %d\n",
err);
return err;
}
state.enabled = false;
err = pwm_apply_state(vibrator->pwm_dir, &state);
if (err) {
- dev_err(&pdev->dev, "failed to apply initial PWM state: %d",
+ dev_err(&pdev->dev, "failed to apply initial PWM state: %d\n",
err);
return err;
}
break;
default:
- dev_err(&pdev->dev, "Failed to request direction pwm: %d", err);
+ dev_err(&pdev->dev, "Failed to request direction pwm: %d\n", err);
fallthrough;
case -EPROBE_DEFER:
err = input_ff_create_memless(vibrator->input, NULL,
pwm_vibrator_play_effect);
if (err) {
- dev_err(&pdev->dev, "Couldn't create FF dev: %d", err);
+ dev_err(&pdev->dev, "Couldn't create FF dev: %d\n", err);
return err;
}
err = input_register_device(vibrator->input);
if (err) {
- dev_err(&pdev->dev, "Couldn't register input dev: %d", err);
+ dev_err(&pdev->dev, "Couldn't register input dev: %d\n", err);
return err;
}
device_property_read_bool(dev, "rotary-encoder,relative-axis");
encoder->gpios = devm_gpiod_get_array(dev, NULL, GPIOD_IN);
- if (IS_ERR(encoder->gpios)) {
- err = PTR_ERR(encoder->gpios);
- if (err != -EPROBE_DEFER)
- dev_err(dev, "unable to get gpios: %d\n", err);
- return err;
- }
+ if (IS_ERR(encoder->gpios))
+ return dev_err_probe(dev, PTR_ERR(encoder->gpios), "unable to get gpios\n");
if (encoder->gpios->ndescs < 2) {
dev_err(dev, "not enough gpios found\n");
return -EINVAL;
input->name = pdev->name;
input->id.bustype = BUS_HOST;
- input->dev.parent = dev;
if (encoder->relative_axis)
input_set_capability(input, EV_REL, encoder->axis);
return 0;
}
-static int tps65219_pb_remove(struct platform_device *pdev)
+static void tps65219_pb_remove(struct platform_device *pdev)
{
struct tps65219 *tps = dev_get_drvdata(pdev->dev.parent);
+ int ret;
/* Disable interrupt for the pushbutton */
- return regmap_update_bits(tps->regmap, TPS65219_REG_MASK_CONFIG,
- TPS65219_REG_MASK_INT_FOR_PB_MASK,
- TPS65219_REG_MASK_INT_FOR_PB_MASK);
+ ret = regmap_set_bits(tps->regmap, TPS65219_REG_MASK_CONFIG,
+ TPS65219_REG_MASK_INT_FOR_PB_MASK);
+ if (ret)
+ dev_warn(&pdev->dev, "Failed to disable irq (%pe)\n", ERR_PTR(ret));
}
static const struct platform_device_id tps65219_pwrbtn_id_table[] = {
static struct platform_driver tps65219_pb_driver = {
.probe = tps65219_pb_probe,
- .remove = tps65219_pb_remove,
+ .remove_new = tps65219_pb_remove,
.driver = {
.name = "tps65219_pwrbutton",
},
#define UINPUT_NAME "uinput"
#define UINPUT_BUFFER_SIZE 16
#define UINPUT_NUM_REQUESTS 16
+#define UINPUT_TIMESTAMP_ALLOWED_OFFSET_SECS 10
enum uinput_state { UIST_NEW_DEVICE, UIST_SETUP_COMPLETE, UIST_CREATED };
return retval;
}
+/*
+ * Returns true if the given timestamp is valid (i.e., if all the following
+ * conditions are satisfied), false otherwise.
+ * 1) given timestamp is positive
+ * 2) it's within the allowed offset before the current time
+ * 3) it's not in the future
+ */
+static bool is_valid_timestamp(const ktime_t timestamp)
+{
+ ktime_t zero_time;
+ ktime_t current_time;
+ ktime_t min_time;
+ ktime_t offset;
+
+ zero_time = ktime_set(0, 0);
+ if (ktime_compare(zero_time, timestamp) >= 0)
+ return false;
+
+ current_time = ktime_get();
+ offset = ktime_set(UINPUT_TIMESTAMP_ALLOWED_OFFSET_SECS, 0);
+ min_time = ktime_sub(current_time, offset);
+
+ if (ktime_after(min_time, timestamp) || ktime_after(timestamp, current_time))
+ return false;
+
+ return true;
+}
+
static ssize_t uinput_inject_events(struct uinput_device *udev,
const char __user *buffer, size_t count)
{
struct input_event ev;
size_t bytes = 0;
+ ktime_t timestamp;
if (count != 0 && count < input_event_size())
return -EINVAL;
if (input_event_from_user(buffer + bytes, &ev))
return -EFAULT;
+ timestamp = ktime_set(ev.input_event_sec, ev.input_event_usec * NSEC_PER_USEC);
+ if (is_valid_timestamp(timestamp))
+ input_set_timestamp(udev->dev, timestamp);
+
input_event(udev->dev, ev.type, ev.code, ev.value);
bytes += input_event_size();
cond_resched();
.of_match_table = of_match_ptr(cyapa_of_match),
},
- .probe_new = cyapa_probe,
+ .probe = cyapa_probe,
.id_table = cyapa_id_table,
};
mutex_init(&data->sysfs_mutex);
data->vcc = devm_regulator_get(dev, "vcc");
- if (IS_ERR(data->vcc)) {
- error = PTR_ERR(data->vcc);
- if (error != -EPROBE_DEFER)
- dev_err(dev, "Failed to get 'vcc' regulator: %d\n",
- error);
- return error;
- }
+ if (IS_ERR(data->vcc))
+ return dev_err_probe(dev, PTR_ERR(data->vcc), "Failed to get 'vcc' regulator\n");
error = regulator_enable(data->vcc);
if (error) {
.probe_type = PROBE_PREFER_ASYNCHRONOUS,
.dev_groups = elan_sysfs_groups,
},
- .probe_new = elan_probe,
+ .probe = elan_probe,
.id_table = elan_id,
};
static struct workqueue_struct *kpsmoused_wq;
+struct psmouse *psmouse_from_serio(struct serio *serio)
+{
+ struct ps2dev *ps2dev = serio_get_drvdata(serio);
+
+ return container_of(ps2dev, struct psmouse, ps2dev);
+}
+
void psmouse_report_standard_buttons(struct input_dev *dev, u8 buttons)
{
input_report_key(dev, BTN_LEFT, buttons & BIT(0));
}
}
-/*
- * psmouse_interrupt() handles incoming characters, either passing them
- * for normal processing or gathering them as command response.
- */
-static irqreturn_t psmouse_interrupt(struct serio *serio,
- u8 data, unsigned int flags)
+static enum ps2_disposition psmouse_pre_receive_byte(struct ps2dev *ps2dev,
+ u8 data,
+ unsigned int flags)
{
- struct psmouse *psmouse = serio_get_drvdata(serio);
+ struct psmouse *psmouse = container_of(ps2dev, struct psmouse, ps2dev);
if (psmouse->state == PSMOUSE_IGNORE)
- goto out;
+ return PS2_IGNORE;
if (unlikely((flags & SERIO_TIMEOUT) ||
((flags & SERIO_PARITY) &&
"bad data from KBC -%s%s\n",
flags & SERIO_TIMEOUT ? " timeout" : "",
flags & SERIO_PARITY ? " bad parity" : "");
- ps2_cmd_aborted(&psmouse->ps2dev);
- goto out;
+ return PS2_ERROR;
}
if (flags & SERIO_OOB_DATA) {
psmouse_handle_oob_data(psmouse, data);
- goto out;
+ return PS2_IGNORE;
}
- if (unlikely(psmouse->ps2dev.flags & PS2_FLAG_ACK))
- if (ps2_handle_ack(&psmouse->ps2dev, data))
- goto out;
+ return PS2_PROCESS;
+}
- if (unlikely(psmouse->ps2dev.flags & PS2_FLAG_CMD))
- if (ps2_handle_response(&psmouse->ps2dev, data))
- goto out;
+static void psmouse_receive_byte(struct ps2dev *ps2dev, u8 data)
+{
+ struct psmouse *psmouse = container_of(ps2dev, struct psmouse, ps2dev);
- pm_wakeup_event(&serio->dev, 0);
+ pm_wakeup_event(&ps2dev->serio->dev, 0);
if (psmouse->state <= PSMOUSE_RESYNCING)
- goto out;
+ return;
if (psmouse->state == PSMOUSE_ACTIVATED &&
psmouse->pktcnt && time_after(jiffies, psmouse->last + HZ/2)) {
psmouse->badbyte = psmouse->packet[0];
__psmouse_set_state(psmouse, PSMOUSE_RESYNCING);
psmouse_queue_work(psmouse, &psmouse->resync_work, 0);
- goto out;
+ return;
}
psmouse->packet[psmouse->pktcnt++] = data;
if (unlikely(psmouse->packet[0] == PSMOUSE_RET_BAT && psmouse->pktcnt <= 2)) {
if (psmouse->pktcnt == 1) {
psmouse->last = jiffies;
- goto out;
+ return;
}
if (psmouse->packet[1] == PSMOUSE_RET_ID ||
(psmouse->protocol->type == PSMOUSE_HGPK &&
psmouse->packet[1] == PSMOUSE_RET_BAT)) {
__psmouse_set_state(psmouse, PSMOUSE_IGNORE);
- serio_reconnect(serio);
- goto out;
+ serio_reconnect(ps2dev->serio);
+ return;
}
/* Not a new device, try processing first byte normally */
psmouse->pktcnt = 1;
if (psmouse_handle_byte(psmouse))
- goto out;
+ return;
psmouse->packet[psmouse->pktcnt++] = data;
}
psmouse->badbyte = psmouse->packet[0];
__psmouse_set_state(psmouse, PSMOUSE_RESYNCING);
psmouse_queue_work(psmouse, &psmouse->resync_work, 0);
- goto out;
+ return;
}
psmouse->last = jiffies;
psmouse_handle_byte(psmouse);
-
- out:
- return IRQ_HANDLED;
}
/*
goto out;
if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) {
- parent = serio_get_drvdata(serio->parent);
+ parent = psmouse_from_serio(serio->parent);
psmouse_deactivate(parent);
}
*/
static void psmouse_cleanup(struct serio *serio)
{
- struct psmouse *psmouse = serio_get_drvdata(serio);
+ struct psmouse *psmouse = psmouse_from_serio(serio);
struct psmouse *parent = NULL;
mutex_lock(&psmouse_mutex);
if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) {
- parent = serio_get_drvdata(serio->parent);
+ parent = psmouse_from_serio(serio->parent);
psmouse_deactivate(parent);
}
*/
static void psmouse_disconnect(struct serio *serio)
{
- struct psmouse *psmouse = serio_get_drvdata(serio);
+ struct psmouse *psmouse = psmouse_from_serio(serio);
struct psmouse *parent = NULL;
mutex_lock(&psmouse_mutex);
mutex_lock(&psmouse_mutex);
if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) {
- parent = serio_get_drvdata(serio->parent);
+ parent = psmouse_from_serio(serio->parent);
psmouse_deactivate(parent);
}
* connected to this port can be successfully identified
*/
if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) {
- parent = serio_get_drvdata(serio->parent);
+ parent = psmouse_from_serio(serio->parent);
psmouse_deactivate(parent);
}
if (!psmouse || !input_dev)
goto err_free;
- ps2_init(&psmouse->ps2dev, serio);
+ ps2_init(&psmouse->ps2dev, serio,
+ psmouse_pre_receive_byte, psmouse_receive_byte);
INIT_DELAYED_WORK(&psmouse->resync_work, psmouse_resync);
psmouse->dev = input_dev;
snprintf(psmouse->phys, sizeof(psmouse->phys), "%s/input0", serio->phys);
psmouse_set_state(psmouse, PSMOUSE_INITIALIZING);
- serio_set_drvdata(serio, psmouse);
-
error = serio_open(serio, drv);
if (error)
goto err_clear_drvdata;
static int __psmouse_reconnect(struct serio *serio, bool fast_reconnect)
{
- struct psmouse *psmouse = serio_get_drvdata(serio);
+ struct psmouse *psmouse = psmouse_from_serio(serio);
struct psmouse *parent = NULL;
int (*reconnect_handler)(struct psmouse *);
enum psmouse_type type;
}
if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) {
- parent = serio_get_drvdata(serio->parent);
+ parent = psmouse_from_serio(serio->parent);
psmouse_deactivate(parent);
}
},
.description = DRIVER_DESC,
.id_table = psmouse_serio_ids,
- .interrupt = psmouse_interrupt,
+ .interrupt = ps2_interrupt,
.connect = psmouse_connect,
.reconnect = psmouse_reconnect,
.fast_reconnect = psmouse_fast_reconnect,
{
struct serio *serio = to_serio_port(dev);
struct psmouse_attribute *attr = to_psmouse_attr(devattr);
- struct psmouse *psmouse = serio_get_drvdata(serio);
+ struct psmouse *psmouse = psmouse_from_serio(serio);
if (psmouse->protocol->smbus_companion &&
devattr != &psmouse_attr_protocol.dattr)
if (retval)
goto out;
- psmouse = serio_get_drvdata(serio);
+ psmouse = psmouse_from_serio(serio);
if (psmouse->protocol->smbus_companion &&
devattr != &psmouse_attr_protocol.dattr) {
}
if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) {
- parent = serio_get_drvdata(serio->parent);
+ parent = psmouse_from_serio(serio->parent);
psmouse_deactivate(parent);
}
}
if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) {
- parent = serio_get_drvdata(serio->parent);
+ parent = psmouse_from_serio(serio->parent);
if (parent->pt_deactivate)
parent->pt_deactivate(parent);
}
void (*pt_deactivate)(struct psmouse *psmouse);
};
+struct psmouse *psmouse_from_serio(struct serio *serio);
+
void psmouse_queue_work(struct psmouse *psmouse, struct delayed_work *work,
unsigned long delay);
int psmouse_reset(struct psmouse *psmouse);
****************************************************************************/
static int synaptics_pt_write(struct serio *serio, u8 c)
{
- struct psmouse *parent = serio_get_drvdata(serio->parent);
+ struct psmouse *parent = psmouse_from_serio(serio->parent);
u8 rate_param = SYN_PS_CLIENT_CMD; /* indicates that we want pass-through port */
int error;
static int synaptics_pt_start(struct serio *serio)
{
- struct psmouse *parent = serio_get_drvdata(serio->parent);
+ struct psmouse *parent = psmouse_from_serio(serio->parent);
struct synaptics_data *priv = parent->private;
serio_pause_rx(parent->ps2dev.serio);
static void synaptics_pt_stop(struct serio *serio)
{
- struct psmouse *parent = serio_get_drvdata(serio->parent);
+ struct psmouse *parent = psmouse_from_serio(serio->parent);
struct synaptics_data *priv = parent->private;
serio_pause_rx(parent->ps2dev.serio);
static void synaptics_pass_pt_packet(struct serio *ptport, u8 *packet)
{
- struct psmouse *child = serio_get_drvdata(ptport);
+ struct psmouse *child = psmouse_from_serio(ptport);
if (child && child->state == PSMOUSE_ACTIVATED) {
serio_interrupt(ptport, packet[1], 0);
static void synaptics_pt_activate(struct psmouse *psmouse)
{
struct synaptics_data *priv = psmouse->private;
- struct psmouse *child = serio_get_drvdata(priv->pt_port);
+ struct psmouse *child = psmouse_from_serio(priv->pt_port);
/* adjust the touchpad to child's choice of protocol */
if (child) {
.pm = pm_sleep_ptr(&synaptics_i2c_pm),
},
- .probe_new = synaptics_i2c_probe,
+ .probe = synaptics_i2c_probe,
.remove = synaptics_i2c_remove,
.id_table = synaptics_i2c_id_table,
{
struct device *dev = kobj_to_dev(kobj);
struct serio *serio = to_serio_port(dev);
- struct psmouse *psmouse = serio_get_drvdata(serio);
+ struct psmouse *psmouse = psmouse_from_serio(serio);
return trackpoint_is_attr_available(psmouse, attr) ? attr->mode : 0;
}
.of_match_table = of_match_ptr(rmi_i2c_of_match),
},
.id_table = rmi_id,
- .probe_new = rmi_i2c_probe,
+ .probe = rmi_i2c_probe,
};
module_i2c_driver(rmi_i2c_driver);
.pm = pm_ptr(&rmi_smb_pm),
},
.id_table = rmi_id,
- .probe_new = rmi_smb_probe,
+ .probe = rmi_smb_probe,
.remove = rmi_smb_remove,
};
config SERIO_PCIPS2
tristate "PCI PS/2 keyboard and PS/2 mouse controller"
depends on PCI
+ depends on HAS_IOPORT
help
Say Y here if you have a Mobility Docking station with PS/2
keyboard and mice ports.
#define DRIVER_DESC "PS/2 driver library"
-MODULE_AUTHOR("Dmitry Torokhov <dtor@mail.ru>");
-MODULE_DESCRIPTION("PS/2 driver library");
-MODULE_LICENSE("GPL");
+#define PS2_CMD_SETSCALE11 0x00e6
+#define PS2_CMD_SETRES 0x10e8
+#define PS2_CMD_EX_SETLEDS 0x20eb
+#define PS2_CMD_SETLEDS 0x10ed
+#define PS2_CMD_GETID 0x02f2
+#define PS2_CMD_SETREP 0x10f3 /* Set repeat rate/set report rate */
+#define PS2_CMD_RESET_BAT 0x02ff
+
+#define PS2_RET_BAT 0xaa
+#define PS2_RET_ID 0x00
+#define PS2_RET_ACK 0xfa
+#define PS2_RET_NAK 0xfe
+#define PS2_RET_ERR 0xfc
+
+#define PS2_FLAG_ACK BIT(0) /* Waiting for ACK/NAK */
+#define PS2_FLAG_CMD BIT(1) /* Waiting for a command to finish */
+#define PS2_FLAG_CMD1 BIT(2) /* Waiting for the first byte of command response */
+#define PS2_FLAG_WAITID BIT(3) /* Command executing is GET ID */
+#define PS2_FLAG_NAK BIT(4) /* Last transmission was NAKed */
+#define PS2_FLAG_PASS_NOACK BIT(5) /* Pass non-ACK byte to receive handler */
static int ps2_do_sendbyte(struct ps2dev *ps2dev, u8 byte,
unsigned int timeout, unsigned int max_attempts)
return error;
}
-/*
- * ps2_sendbyte() sends a byte to the device and waits for acknowledge.
- * It doesn't handle retransmission, the caller is expected to handle
+/**
+ * ps2_sendbyte - sends a byte to the device and wait for acknowledgement
+ * @ps2dev: a PS/2 device to send the data to
+ * @byte: data to be sent to the device
+ * @timeout: timeout for sending the data and receiving an acknowledge
+ *
+ * The function doesn't handle retransmission, the caller is expected to handle
* it when needed.
*
* ps2_sendbyte() can only be called from a process context.
*/
-
int ps2_sendbyte(struct ps2dev *ps2dev, u8 byte, unsigned int timeout)
{
int retval;
}
EXPORT_SYMBOL(ps2_sendbyte);
+/**
+ * ps2_begin_command - mark beginning of execution of a complex command
+ * @ps2dev: a PS/2 device executing the command
+ *
+ * Serializes a complex/compound command. Once command is finished
+ * ps2_end_command() should be called.
+ */
void ps2_begin_command(struct ps2dev *ps2dev)
{
struct mutex *m = ps2dev->serio->ps2_cmd_mutex ?: &ps2dev->cmd_mutex;
}
EXPORT_SYMBOL(ps2_begin_command);
+/**
+ * ps2_end_command - mark end of execution of a complex command
+ * @ps2dev: a PS/2 device executing the command
+ */
void ps2_end_command(struct ps2dev *ps2dev)
{
struct mutex *m = ps2dev->serio->ps2_cmd_mutex ?: &ps2dev->cmd_mutex;
}
EXPORT_SYMBOL(ps2_end_command);
-/*
- * ps2_drain() waits for device to transmit requested number of bytes
- * and discards them.
+/**
+ * ps2_drain - waits for device to transmit requested number of bytes
+ * and discards them
+ * @ps2dev: the PS/2 device that should be drained
+ * @maxbytes: maximum number of bytes to be drained
+ * @timeout: time to drain the device
*/
-
void ps2_drain(struct ps2dev *ps2dev, size_t maxbytes, unsigned int timeout)
{
if (maxbytes > sizeof(ps2dev->cmdbuf)) {
}
EXPORT_SYMBOL(ps2_drain);
-/*
- * ps2_is_keyboard_id() checks received ID byte against the list of
- * known keyboard IDs.
+/**
+ * ps2_is_keyboard_id - checks received ID byte against the list of
+ * known keyboard IDs
+ * @id_byte: data byte that should be checked
*/
-
bool ps2_is_keyboard_id(u8 id_byte)
{
static const u8 keyboard_ids[] = {
* response and tries to reduce remaining timeout to speed up command
* completion.
*/
-
static int ps2_adjust_timeout(struct ps2dev *ps2dev,
unsigned int command, unsigned int timeout)
{
return timeout;
}
-/*
- * ps2_command() sends a command and its parameters to the mouse,
- * then waits for the response and puts it in the param array.
+/**
+ * __ps2_command - send a command to PS/2 device
+ * @ps2dev: the PS/2 device that should execute the command
+ * @param: a buffer containing parameters to be sent along with the command,
+ * or place where the results of the command execution will be deposited,
+ * or both
+ * @command: command word that encodes the command itself, as well as number of
+ * additional parameter bytes that should be sent to the device and expected
+ * length of the command response
*
- * ps2_command() can only be called from a process context
+ * Not serialized. Callers should use ps2_begin_command() and ps2_end_command()
+ * to ensure proper serialization for complex commands.
*/
-
int __ps2_command(struct ps2dev *ps2dev, u8 *param, unsigned int command)
{
unsigned int timeout;
serio_pause_rx(ps2dev->serio);
- ps2dev->flags = command == PS2_CMD_GETID ? PS2_FLAG_WAITID : 0;
ps2dev->cmdcnt = receive;
- if (receive && param)
- for (i = 0; i < receive; i++)
- ps2dev->cmdbuf[(receive - 1) - i] = param[i];
- /* Signal that we are sending the command byte */
- ps2dev->flags |= PS2_FLAG_ACK_CMD;
+ switch (command) {
+ case PS2_CMD_GETID:
+ /*
+ * Some mice do not ACK the "get ID" command, prepare to
+ * handle this.
+ */
+ ps2dev->flags = PS2_FLAG_WAITID;
+ break;
+
+ case PS2_CMD_SETLEDS:
+ case PS2_CMD_EX_SETLEDS:
+ case PS2_CMD_SETREP:
+ ps2dev->flags = PS2_FLAG_PASS_NOACK;
+ break;
+
+ default:
+ ps2dev->flags = 0;
+ break;
+ }
+
+ if (receive) {
+ /* Indicate that we expect response to the command. */
+ ps2dev->flags |= PS2_FLAG_CMD | PS2_FLAG_CMD1;
+ if (param)
+ for (i = 0; i < receive; i++)
+ ps2dev->cmdbuf[(receive - 1) - i] = param[i];
+ }
/*
- * Some devices (Synaptics) peform the reset before
+ * Some devices (Synaptics) perform the reset before
* ACKing the reset command, and so it can take a long
* time before the ACK arrives.
*/
if (rc)
goto out_reset_flags;
- /* Now we are sending command parameters, if any */
- ps2dev->flags &= ~PS2_FLAG_ACK_CMD;
-
+ /* Send command parameters, if any. */
for (i = 0; i < send; i++) {
rc = ps2_do_sendbyte(ps2dev, param[i], 200, 2);
if (rc)
}
EXPORT_SYMBOL(__ps2_command);
+/**
+ * ps2_command - send a command to PS/2 device
+ * @ps2dev: the PS/2 device that should execute the command
+ * @param: a buffer containing parameters to be sent along with the command,
+ * or place where the results of the command execution will be deposited,
+ * or both
+ * @command: command word that encodes the command itself, as well as number of
+ * additional parameter bytes that should be sent to the device and expected
+ * length of the command response
+ *
+ * Note: ps2_command() serializes the command execution so that only one
+ * command can be executed at a time for either individual port or the entire
+ * 8042 controller.
+ */
int ps2_command(struct ps2dev *ps2dev, u8 *param, unsigned int command)
{
int rc;
}
EXPORT_SYMBOL(ps2_command);
-/*
- * ps2_sliced_command() sends an extended PS/2 command to the mouse
- * using sliced syntax, understood by advanced devices, such as Logitech
- * or Synaptics touchpads. The command is encoded as:
+/**
+ * ps2_sliced_command - sends an extended PS/2 command to a mouse
+ * @ps2dev: the PS/2 device that should execute the command
+ * @command: command byte
+ *
+ * The command is sent using "sliced" syntax understood by advanced devices,
+ * such as Logitech or Synaptics touchpads. The command is encoded as:
* 0xE6 0xE8 rr 0xE8 ss 0xE8 tt 0xE8 uu where (rr*64)+(ss*16)+(tt*4)+uu
* is the command.
*/
-
int ps2_sliced_command(struct ps2dev *ps2dev, u8 command)
{
int i;
}
EXPORT_SYMBOL(ps2_sliced_command);
-/*
- * ps2_init() initializes ps2dev structure
+/**
+ * ps2_init - initializes ps2dev structure
+ * @ps2dev: structure to be initialized
+ * @serio: serio port associated with the PS/2 device
+ * @pre_receive_handler: validation handler to check basic communication state
+ * @receive_handler: main protocol handler
+ *
+ * Prepares ps2dev structure for use in drivers for PS/2 devices.
*/
-
-void ps2_init(struct ps2dev *ps2dev, struct serio *serio)
+void ps2_init(struct ps2dev *ps2dev, struct serio *serio,
+ ps2_pre_receive_handler_t pre_receive_handler,
+ ps2_receive_handler_t receive_handler)
{
+ ps2dev->pre_receive_handler = pre_receive_handler;
+ ps2dev->receive_handler = receive_handler;
+
mutex_init(&ps2dev->cmd_mutex);
lockdep_set_subclass(&ps2dev->cmd_mutex, serio->depth);
init_waitqueue_head(&ps2dev->wait);
ps2dev->serio = serio;
+ serio_set_drvdata(serio, ps2dev);
}
EXPORT_SYMBOL(ps2_init);
/*
- * ps2_handle_ack() is supposed to be used in interrupt handler
- * to properly process ACK/NAK of a command from a PS/2 device.
+ * ps2_handle_response() stores device's response to a command and notifies
+ * the process waiting for completion of the command. Note that there is a
+ * distinction between waiting for the first byte of the response, and
+ * waiting for subsequent bytes. It is done so that callers could shorten
+ * timeouts once first byte of response is received.
*/
+static void ps2_handle_response(struct ps2dev *ps2dev, u8 data)
+{
+ if (ps2dev->cmdcnt)
+ ps2dev->cmdbuf[--ps2dev->cmdcnt] = data;
+
+ if (ps2dev->flags & PS2_FLAG_CMD1) {
+ ps2dev->flags &= ~PS2_FLAG_CMD1;
+ if (ps2dev->cmdcnt)
+ wake_up(&ps2dev->wait);
+ }
+
+ if (!ps2dev->cmdcnt) {
+ ps2dev->flags &= ~PS2_FLAG_CMD;
+ wake_up(&ps2dev->wait);
+ }
+}
-bool ps2_handle_ack(struct ps2dev *ps2dev, u8 data)
+/*
+ * ps2_handle_ack() processes ACK/NAK of a command from a PS/2 device,
+ * possibly applying workarounds for mice not acknowledging the "get ID"
+ * command.
+ */
+static void ps2_handle_ack(struct ps2dev *ps2dev, u8 data)
{
switch (data) {
case PS2_RET_ACK:
* Do not signal errors if we get unexpected reply while
* waiting for an ACK to the initial (first) command byte:
* the device might not be quiesced yet and continue
- * delivering data.
+ * delivering data. For certain commands (such as set leds and
+ * set repeat rate) that can be used during normal device
+ * operation, we even pass this data byte to the normal receive
+ * handler.
* Note that we reset PS2_FLAG_WAITID flag, so the workaround
* for mice not acknowledging the Get ID command only triggers
* on the 1st byte; if device spews data we really want to see
* a real ACK from it.
*/
dev_dbg(&ps2dev->serio->dev, "unexpected %#02x\n", data);
- ps2dev->flags &= ~PS2_FLAG_WAITID;
- return ps2dev->flags & PS2_FLAG_ACK_CMD;
+ if (ps2dev->flags & PS2_FLAG_PASS_NOACK)
+ ps2dev->receive_handler(ps2dev, data);
+ ps2dev->flags &= ~(PS2_FLAG_WAITID | PS2_FLAG_PASS_NOACK);
+ return;
}
- if (!ps2dev->nak) {
+ if (!ps2dev->nak)
ps2dev->flags &= ~PS2_FLAG_NAK;
- if (ps2dev->cmdcnt)
- ps2dev->flags |= PS2_FLAG_CMD | PS2_FLAG_CMD1;
- }
ps2dev->flags &= ~PS2_FLAG_ACK;
- wake_up(&ps2dev->wait);
- if (data != PS2_RET_ACK)
+ if (!ps2dev->nak && data != PS2_RET_ACK)
ps2_handle_response(ps2dev, data);
-
- return true;
+ else
+ wake_up(&ps2dev->wait);
}
-EXPORT_SYMBOL(ps2_handle_ack);
/*
- * ps2_handle_response() is supposed to be used in interrupt handler
- * to properly store device's response to a command and notify process
- * waiting for completion of the command.
+ * Clears state of PS/2 device after communication error by resetting majority
+ * of flags and waking up waiters, if any.
*/
-
-bool ps2_handle_response(struct ps2dev *ps2dev, u8 data)
+static void ps2_cleanup(struct ps2dev *ps2dev)
{
- if (ps2dev->cmdcnt)
- ps2dev->cmdbuf[--ps2dev->cmdcnt] = data;
+ unsigned long old_flags = ps2dev->flags;
- if (ps2dev->flags & PS2_FLAG_CMD1) {
- ps2dev->flags &= ~PS2_FLAG_CMD1;
- if (ps2dev->cmdcnt)
- wake_up(&ps2dev->wait);
- }
+ /* reset all flags except last nak */
+ ps2dev->flags &= PS2_FLAG_NAK;
- if (!ps2dev->cmdcnt) {
- ps2dev->flags &= ~PS2_FLAG_CMD;
- wake_up(&ps2dev->wait);
- }
+ if (old_flags & PS2_FLAG_ACK)
+ ps2dev->nak = 1;
- return true;
+ if (old_flags & (PS2_FLAG_ACK | PS2_FLAG_CMD))
+ wake_up(&ps2dev->wait);
}
-EXPORT_SYMBOL(ps2_handle_response);
-void ps2_cmd_aborted(struct ps2dev *ps2dev)
-{
- if (ps2dev->flags & PS2_FLAG_ACK)
- ps2dev->nak = 1;
+/**
+ * ps2_interrupt - common interrupt handler for PS/2 devices
+ * @serio: serio port for the device
+ * @data: a data byte received from the device
+ * @flags: flags such as %SERIO_PARITY or %SERIO_TIMEOUT indicating state of
+ * the data transfer
+ *
+ * ps2_interrupt() invokes pre-receive handler, optionally handles command
+ * acknowledgement and response from the device, and finally passes the data
+ * to the main protocol handler for future processing.
+ */
+irqreturn_t ps2_interrupt(struct serio *serio, u8 data, unsigned int flags) {
+ struct ps2dev *ps2dev = serio_get_drvdata(serio);
+ enum ps2_disposition rc;
+
+ rc = ps2dev->pre_receive_handler(ps2dev, data, flags);
+ switch (rc) {
+ case PS2_ERROR:
+ ps2_cleanup(ps2dev);
+ break;
- if (ps2dev->flags & (PS2_FLAG_ACK | PS2_FLAG_CMD))
- wake_up(&ps2dev->wait);
+ case PS2_IGNORE:
+ break;
- /* reset all flags except last nack */
- ps2dev->flags &= PS2_FLAG_NAK;
+ case PS2_PROCESS:
+ if (ps2dev->flags & PS2_FLAG_ACK)
+ ps2_handle_ack(ps2dev, data);
+ else if (ps2dev->flags & PS2_FLAG_CMD)
+ ps2_handle_response(ps2dev, data);
+ else
+ ps2dev->receive_handler(ps2dev, data);
+ break;
+ }
+
+ return IRQ_HANDLED;
}
-EXPORT_SYMBOL(ps2_cmd_aborted);
+EXPORT_SYMBOL(ps2_interrupt);
+
+MODULE_AUTHOR("Dmitry Torokhov <dtor@mail.ru>");
+MODULE_DESCRIPTION("PS/2 driver library");
+MODULE_LICENSE("GPL");
{
struct input_dev *input_dev = test->priv;
- input_unregister_device(input_dev);
- input_free_device(input_dev);
+ if (input_dev)
+ input_unregister_device(input_dev);
}
static void input_test_poll(struct input_dev *input) { }
static void input_test_match_device_id(struct kunit *test)
{
struct input_dev *input_dev = test->priv;
- struct input_device_id id;
+ struct input_device_id id = { 0 };
/*
* Must match when the input device bus, vendor, product, version
KUNIT_ASSERT_FALSE(test, input_match_device_id(input_dev, &id));
}
+static void input_test_grab(struct kunit *test)
+{
+ struct input_dev *input_dev = test->priv;
+ struct input_handle test_handle;
+ struct input_handler handler;
+ struct input_handle handle;
+ struct input_device_id id;
+ int res;
+
+ handler.name = "handler";
+ handler.id_table = &id;
+
+ handle.dev = input_get_device(input_dev);
+ handle.name = dev_name(&input_dev->dev);
+ handle.handler = &handler;
+ res = input_grab_device(&handle);
+ KUNIT_ASSERT_TRUE(test, res == 0);
+
+ test_handle.dev = input_get_device(input_dev);
+ test_handle.name = dev_name(&input_dev->dev);
+ test_handle.handler = &handler;
+ res = input_grab_device(&test_handle);
+ KUNIT_ASSERT_EQ(test, res, -EBUSY);
+
+ input_release_device(&handle);
+ input_put_device(input_dev);
+ res = input_grab_device(&test_handle);
+ KUNIT_ASSERT_TRUE(test, res == 0);
+ input_put_device(input_dev);
+}
+
static struct kunit_case input_tests[] = {
KUNIT_CASE(input_test_polling),
KUNIT_CASE(input_test_timestamp),
KUNIT_CASE(input_test_match_device_id),
+ KUNIT_CASE(input_test_grab),
{ /* sentinel */ }
};
module will be called mtouch.
config TOUCHSCREEN_NOVATEK_NVT_TS
- tristate "Novatek NVT-ts touchscreen support"
+ tristate "Novatek NT11205 touchscreen support"
depends on I2C
help
- Say Y here if you have a Novatek NVT-ts touchscreen.
+ Say Y here if you have a Novatek NT11205 touchscreen.
If unsure, say N.
To compile this driver as a module, choose M here: the
config TOUCHSCREEN_MK712
tristate "ICS MicroClock MK712 touchscreen"
+ depends on ISA
help
Say Y here if you have the ICS MicroClock MK712 touchscreen
controller chip in your system.
To compile this driver as a module, choose M here: the
module will be called iqs5xx.
+config TOUCHSCREEN_IQS7211
+ tristate "Azoteq IQS7210A/7211A/E trackpad/touchscreen controller"
+ depends on I2C
+ help
+ Say Y to enable support for the Azoteq IQS7210A/7211A/E
+ family of trackpad/touchscreen controllers.
+
+ To compile this driver as a module, choose M here: the
+ module will be called iqs7211.
+
config TOUCHSCREEN_ZINITIX
tristate "Zinitix touchscreen support"
depends on I2C
obj-$(CONFIG_TOUCHSCREEN_ROHM_BU21023) += rohm_bu21023.o
obj-$(CONFIG_TOUCHSCREEN_RASPBERRYPI_FW) += raspberrypi-ts.o
obj-$(CONFIG_TOUCHSCREEN_IQS5XX) += iqs5xx.o
+obj-$(CONFIG_TOUCHSCREEN_IQS7211) += iqs7211.o
obj-$(CONFIG_TOUCHSCREEN_ZINITIX) += zinitix.o
obj-$(CONFIG_TOUCHSCREEN_HIMAX_HX83112B) += himax_hx83112b.o
.pm = &ad7879_pm_ops,
.of_match_table = of_match_ptr(ad7879_i2c_dt_ids),
},
- .probe_new = ad7879_i2c_probe,
+ .probe = ad7879_i2c_probe,
.id_table = ad7879_id,
};
.of_match_table = ar1021_i2c_of_match,
},
- .probe_new = ar1021_i2c_probe,
+ .probe = ar1021_i2c_probe,
.id_table = ar1021_i2c_id,
};
module_i2c_driver(ar1021_i2c_driver);
#define MXT_TOUCH_KEYARRAY_T15 15
#define MXT_TOUCH_PROXIMITY_T23 23
#define MXT_TOUCH_PROXKEY_T52 52
+#define MXT_TOUCH_PTC_KEYS_T97 97
#define MXT_PROCI_GRIPFACE_T20 20
#define MXT_PROCG_NOISE_T22 22
#define MXT_PROCI_ONETOUCH_T24 24
u16 T71_address;
u8 T9_reportid_min;
u8 T9_reportid_max;
+ u8 T15_reportid_min;
+ u8 T15_reportid_max;
u16 T18_address;
u8 T19_reportid;
u16 T44_address;
+ u8 T97_reportid_min;
+ u8 T97_reportid_max;
u8 T100_reportid_min;
u8 T100_reportid_max;
u32 *t19_keymap;
unsigned int t19_num_keys;
+ u32 *t15_keymap;
+ unsigned int t15_num_keys;
+
enum mxt_suspend_mode suspend_mode;
u32 wakeup_method;
case MXT_TOUCH_KEYARRAY_T15:
case MXT_TOUCH_PROXIMITY_T23:
case MXT_TOUCH_PROXKEY_T52:
+ case MXT_TOUCH_PTC_KEYS_T97:
case MXT_TOUCH_MULTITOUCHSCREEN_T100:
case MXT_PROCI_GRIPFACE_T20:
case MXT_PROCG_NOISE_T22:
data->update_input = true;
}
+static void mxt_proc_t15_messages(struct mxt_data *data, u8 *message)
+{
+ struct input_dev *input_dev = data->input_dev;
+ unsigned long keystates = get_unaligned_le32(&message[2]);
+ int key;
+
+ for (key = 0; key < data->t15_num_keys; key++)
+ input_report_key(input_dev, data->t15_keymap[key],
+ keystates & BIT(key));
+
+ data->update_input = true;
+}
+
+static void mxt_proc_t97_messages(struct mxt_data *data, u8 *message)
+{
+ mxt_proc_t15_messages(data, message);
+}
+
static void mxt_proc_t100_message(struct mxt_data *data, u8 *message)
{
struct device *dev = &data->client->dev;
} else if (report_id >= data->T9_reportid_min &&
report_id <= data->T9_reportid_max) {
mxt_proc_t9_message(data, message);
+ } else if (report_id >= data->T15_reportid_min &&
+ report_id <= data->T15_reportid_max) {
+ mxt_proc_t15_messages(data, message);
+ } else if (report_id >= data->T97_reportid_min &&
+ report_id <= data->T97_reportid_max) {
+ mxt_proc_t97_messages(data, message);
} else if (report_id >= data->T100_reportid_min &&
report_id <= data->T100_reportid_max) {
mxt_proc_t100_message(data, message);
data->T71_address = 0;
data->T9_reportid_min = 0;
data->T9_reportid_max = 0;
+ data->T15_reportid_min = 0;
+ data->T15_reportid_max = 0;
data->T18_address = 0;
data->T19_reportid = 0;
data->T44_address = 0;
+ data->T97_reportid_min = 0;
+ data->T97_reportid_max = 0;
data->T100_reportid_min = 0;
data->T100_reportid_max = 0;
data->max_reportid = 0;
object->num_report_ids - 1;
data->num_touchids = object->num_report_ids;
break;
+ case MXT_TOUCH_KEYARRAY_T15:
+ data->T15_reportid_min = min_id;
+ data->T15_reportid_max = max_id;
+ break;
case MXT_SPT_COMMSCONFIG_T18:
data->T18_address = object->start_address;
break;
case MXT_SPT_GPIOPWM_T19:
data->T19_reportid = min_id;
break;
+ case MXT_TOUCH_PTC_KEYS_T97:
+ data->T97_reportid_min = min_id;
+ data->T97_reportid_max = max_id;
+ break;
case MXT_TOUCH_MULTITOUCHSCREEN_T100:
data->multitouch = MXT_TOUCH_MULTITOUCHSCREEN_T100;
data->T100_reportid_min = min_id;
int error;
unsigned int num_mt_slots;
unsigned int mt_flags = 0;
+ int i;
switch (data->multitouch) {
case MXT_TOUCH_MULTI_T9:
input_dev->open = mxt_input_open;
input_dev->close = mxt_input_close;
+ input_dev->keycode = data->t15_keymap;
+ input_dev->keycodemax = data->t15_num_keys;
+ input_dev->keycodesize = sizeof(data->t15_keymap[0]);
+
input_set_capability(input_dev, EV_KEY, BTN_TOUCH);
/* For single touch */
0, 255, 0, 0);
}
+ /* For T15 and T97 Key Array */
+ if (data->T15_reportid_min || data->T97_reportid_min) {
+ for (i = 0; i < data->t15_num_keys; i++)
+ input_set_capability(input_dev,
+ EV_KEY, data->t15_keymap[i]);
+ }
+
input_set_drvdata(input_dev, data);
error = input_register_device(input_dev);
static int mxt_parse_device_properties(struct mxt_data *data)
{
static const char keymap_property[] = "linux,gpio-keymap";
+ static const char buttons_property[] = "linux,keycodes";
struct device *dev = &data->client->dev;
u32 *keymap;
+ u32 *buttonmap;
int n_keys;
int error;
data->t19_num_keys = n_keys;
}
+ if (device_property_present(dev, buttons_property)) {
+ n_keys = device_property_count_u32(dev, buttons_property);
+ if (n_keys <= 0) {
+ error = n_keys < 0 ? n_keys : -EINVAL;
+ dev_err(dev, "invalid/malformed '%s' property: %d\n",
+ buttons_property, error);
+ return error;
+ }
+
+ buttonmap = devm_kmalloc_array(dev, n_keys, sizeof(*buttonmap),
+ GFP_KERNEL);
+ if (!buttonmap)
+ return -ENOMEM;
+
+ error = device_property_read_u32_array(dev, buttons_property,
+ buttonmap, n_keys);
+ if (error) {
+ dev_err(dev, "failed to parse '%s' property: %d\n",
+ buttons_property, error);
+ return error;
+ }
+
+ data->t15_keymap = buttonmap;
+ data->t15_num_keys = n_keys;
+ }
+
return 0;
}
.acpi_match_table = ACPI_PTR(mxt_acpi_id),
.pm = pm_sleep_ptr(&mxt_pm_ops),
},
- .probe_new = mxt_probe,
+ .probe = mxt_probe,
.remove = mxt_remove,
.id_table = mxt_id,
};
.pm = pm_sleep_ptr(&auo_pixcir_pm_ops),
.of_match_table = of_match_ptr(auo_pixcir_ts_dt_idtable),
},
- .probe_new = auo_pixcir_probe,
+ .probe = auo_pixcir_probe,
.id_table = auo_pixcir_idtable,
};
struct input_dev *in_dev;
struct input_absinfo *info;
u32 max_x = 0, max_y = 0;
+ struct device *dev = &client->dev;
int error;
if (!i2c_check_functionality(client->adapter,
I2C_FUNC_SMBUS_BYTE_DATA)) {
- dev_err(&client->dev, "i2c smbus byte data not supported\n");
+ dev_err(dev, "i2c smbus byte data not supported\n");
return -EIO;
}
if (!client->irq) {
- dev_err(&client->dev, "No IRQ set up\n");
+ dev_err(dev, "No IRQ set up\n");
return -EINVAL;
}
- ts = devm_kzalloc(&client->dev, sizeof(*ts), GFP_KERNEL);
+ ts = devm_kzalloc(dev, sizeof(*ts), GFP_KERNEL);
if (!ts)
return -ENOMEM;
ts->client = client;
- ts->x_flip = device_property_read_bool(&client->dev, "rohm,flip-x");
- ts->y_flip = device_property_read_bool(&client->dev, "rohm,flip-y");
+ ts->x_flip = device_property_read_bool(dev, "rohm,flip-x");
+ ts->y_flip = device_property_read_bool(dev, "rohm,flip-y");
- in_dev = devm_input_allocate_device(&client->dev);
+ in_dev = devm_input_allocate_device(dev);
if (!in_dev) {
- dev_err(&client->dev, "device memory alloc failed\n");
+ dev_err(dev, "device memory alloc failed\n");
return -ENOMEM;
}
ts->in_dev = in_dev;
in_dev->name = DRIVER_TP;
in_dev->id.bustype = BUS_I2C;
- device_property_read_u32(&client->dev, "rohm,touch-max-x", &max_x);
- device_property_read_u32(&client->dev, "rohm,touch-max-y", &max_y);
+ device_property_read_u32(dev, "rohm,touch-max-x", &max_x);
+ device_property_read_u32(dev, "rohm,touch-max-y", &max_y);
input_set_abs_params(in_dev, ABS_MT_POSITION_X, 0, max_x, 0, 0);
input_set_abs_params(in_dev, ABS_MT_POSITION_Y, 0, max_y, 0, 0);
/* Adjust for the legacy "flip" properties, if present */
if (!ts->props.invert_x &&
- device_property_read_bool(&client->dev, "rohm,flip-x")) {
+ device_property_read_bool(dev, "rohm,flip-x")) {
info = &in_dev->absinfo[ABS_MT_POSITION_X];
info->maximum -= info->minimum;
info->minimum = 0;
}
if (!ts->props.invert_y &&
- device_property_read_bool(&client->dev, "rohm,flip-y")) {
+ device_property_read_bool(dev, "rohm,flip-y")) {
info = &in_dev->absinfo[ABS_MT_POSITION_Y];
info->maximum -= info->minimum;
info->minimum = 0;
INPUT_MT_DIRECT | INPUT_MT_TRACK |
INPUT_MT_DROP_UNUSED);
if (error) {
- dev_err(&client->dev, "failed to initialize MT slots");
+ dev_err(dev, "failed to initialize MT slots");
return error;
}
- ts->regulator = devm_regulator_get(&client->dev, "avdd");
+ ts->regulator = devm_regulator_get(dev, "avdd");
if (IS_ERR(ts->regulator)) {
- dev_err(&client->dev, "regulator_get failed\n");
+ dev_err(dev, "regulator_get failed\n");
return PTR_ERR(ts->regulator);
}
error = regulator_enable(ts->regulator);
if (error) {
- dev_err(&client->dev, "regulator enable failed\n");
+ dev_err(dev, "regulator enable failed\n");
return error;
}
- error = devm_add_action_or_reset(&client->dev, bu21013_power_off, ts);
+ error = devm_add_action_or_reset(dev, bu21013_power_off, ts);
if (error) {
- dev_err(&client->dev, "failed to install power off handler\n");
+ dev_err(dev, "failed to install power off handler\n");
return error;
}
/* Named "CS" on the chip, DT binding is "reset" */
- ts->cs_gpiod = devm_gpiod_get(&client->dev, "reset", GPIOD_OUT_HIGH);
- error = PTR_ERR_OR_ZERO(ts->cs_gpiod);
- if (error) {
- if (error != -EPROBE_DEFER)
- dev_err(&client->dev, "failed to get CS GPIO\n");
- return error;
- }
+ ts->cs_gpiod = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
+ if (IS_ERR(ts->cs_gpiod))
+ return dev_err_probe(dev, PTR_ERR(ts->cs_gpiod), "failed to get CS GPIO\n");
+
gpiod_set_consumer_name(ts->cs_gpiod, "BU21013 CS");
- error = devm_add_action_or_reset(&client->dev,
- bu21013_disable_chip, ts);
+ error = devm_add_action_or_reset(dev, bu21013_disable_chip, ts);
if (error) {
- dev_err(&client->dev,
- "failed to install chip disable handler\n");
+ dev_err(dev, "failed to install chip disable handler\n");
return error;
}
/* Named "INT" on the chip, DT binding is "touch" */
- ts->int_gpiod = devm_gpiod_get_optional(&client->dev,
- "touch", GPIOD_IN);
+ ts->int_gpiod = devm_gpiod_get_optional(dev, "touch", GPIOD_IN);
error = PTR_ERR_OR_ZERO(ts->int_gpiod);
- if (error) {
- if (error != -EPROBE_DEFER)
- dev_err(&client->dev, "failed to get INT GPIO\n");
- return error;
- }
+ if (error)
+ return dev_err_probe(dev, error, "failed to get INT GPIO\n");
if (ts->int_gpiod)
gpiod_set_consumer_name(ts->int_gpiod, "BU21013 INT");
/* configure the touch panel controller */
error = bu21013_init_chip(ts);
if (error) {
- dev_err(&client->dev, "error in bu21013 config\n");
+ dev_err(dev, "error in bu21013 config\n");
return error;
}
- error = devm_request_threaded_irq(&client->dev, client->irq,
- NULL, bu21013_gpio_irq,
+ error = devm_request_threaded_irq(dev, client->irq, NULL, bu21013_gpio_irq,
IRQF_ONESHOT, DRIVER_TP, ts);
if (error) {
- dev_err(&client->dev, "request irq %d failed\n",
- client->irq);
+ dev_err(dev, "request irq %d failed\n", client->irq);
return error;
}
error = input_register_device(in_dev);
if (error) {
- dev_err(&client->dev, "failed to register input device\n");
+ dev_err(dev, "failed to register input device\n");
return error;
}
.name = DRIVER_TP,
.pm = pm_sleep_ptr(&bu21013_dev_pm_ops),
},
- .probe_new = bu21013_probe,
+ .probe = bu21013_probe,
.remove = bu21013_remove,
.id_table = bu21013_id,
};
static int bu21029_probe(struct i2c_client *client)
{
+ struct device *dev = &client->dev;
struct bu21029_ts_data *bu21029;
struct input_dev *in_dev;
int error;
I2C_FUNC_SMBUS_WRITE_BYTE |
I2C_FUNC_SMBUS_WRITE_BYTE_DATA |
I2C_FUNC_SMBUS_READ_I2C_BLOCK)) {
- dev_err(&client->dev,
- "i2c functionality support is not sufficient\n");
+ dev_err(dev, "i2c functionality support is not sufficient\n");
return -EIO;
}
- bu21029 = devm_kzalloc(&client->dev, sizeof(*bu21029), GFP_KERNEL);
+ bu21029 = devm_kzalloc(dev, sizeof(*bu21029), GFP_KERNEL);
if (!bu21029)
return -ENOMEM;
- error = device_property_read_u32(&client->dev, "rohm,x-plate-ohms",
- &bu21029->x_plate_ohms);
+ error = device_property_read_u32(dev, "rohm,x-plate-ohms", &bu21029->x_plate_ohms);
if (error) {
- dev_err(&client->dev,
- "invalid 'x-plate-ohms' supplied: %d\n", error);
+ dev_err(dev, "invalid 'x-plate-ohms' supplied: %d\n", error);
return error;
}
- bu21029->vdd = devm_regulator_get(&client->dev, "vdd");
- if (IS_ERR(bu21029->vdd)) {
- error = PTR_ERR(bu21029->vdd);
- if (error != -EPROBE_DEFER)
- dev_err(&client->dev,
- "failed to acquire 'vdd' supply: %d\n", error);
- return error;
- }
+ bu21029->vdd = devm_regulator_get(dev, "vdd");
+ if (IS_ERR(bu21029->vdd))
+ return dev_err_probe(dev, PTR_ERR(bu21029->vdd),
+ "failed to acquire 'vdd' supply\n");
- bu21029->reset_gpios = devm_gpiod_get_optional(&client->dev,
- "reset", GPIOD_OUT_HIGH);
- if (IS_ERR(bu21029->reset_gpios)) {
- error = PTR_ERR(bu21029->reset_gpios);
- if (error != -EPROBE_DEFER)
- dev_err(&client->dev,
- "failed to acquire 'reset' gpio: %d\n", error);
- return error;
- }
+ bu21029->reset_gpios = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
+ if (IS_ERR(bu21029->reset_gpios))
+ return dev_err_probe(dev, PTR_ERR(bu21029->reset_gpios),
+ "failed to acquire 'reset' gpio\n");
- in_dev = devm_input_allocate_device(&client->dev);
+ in_dev = devm_input_allocate_device(dev);
if (!in_dev) {
- dev_err(&client->dev, "unable to allocate input device\n");
+ dev_err(dev, "unable to allocate input device\n");
return -ENOMEM;
}
input_set_drvdata(in_dev, bu21029);
- error = devm_request_threaded_irq(&client->dev, client->irq,
- NULL, bu21029_touch_soft_irq,
+ error = devm_request_threaded_irq(dev, client->irq, NULL,
+ bu21029_touch_soft_irq,
IRQF_ONESHOT | IRQF_NO_AUTOEN,
DRIVER_NAME, bu21029);
if (error) {
- dev_err(&client->dev,
- "unable to request touch irq: %d\n", error);
+ dev_err(dev, "unable to request touch irq: %d\n", error);
return error;
}
error = input_register_device(in_dev);
if (error) {
- dev_err(&client->dev,
- "unable to register input device: %d\n", error);
+ dev_err(dev, "unable to register input device: %d\n", error);
return error;
}
.pm = pm_sleep_ptr(&bu21029_pm_ops),
},
.id_table = bu21029_ids,
- .probe_new = bu21029_probe,
+ .probe = bu21029_probe,
};
module_i2c_driver(bu21029_driver);
return -ENOMEM;
data->wake_gpio = devm_gpiod_get(dev, "wake", GPIOD_OUT_LOW);
- if (IS_ERR(data->wake_gpio)) {
- error = PTR_ERR(data->wake_gpio);
- if (error != -EPROBE_DEFER)
- dev_err(dev, "Error getting wake gpio: %d\n", error);
- return error;
- }
+ if (IS_ERR(data->wake_gpio))
+ return dev_err_probe(dev, PTR_ERR(data->wake_gpio), "Error getting wake gpio\n");
input = devm_input_allocate_device(dev);
if (!input)
.pm = pm_sleep_ptr(&icn8318_pm_ops),
.of_match_table = icn8318_of_match,
},
- .probe_new = icn8318_probe,
+ .probe = icn8318_probe,
.id_table = icn8318_i2c_id,
};
.pm = pm_sleep_ptr(&icn8505_pm_ops),
.acpi_match_table = icn8505_acpi_match,
},
- .probe_new = icn8505_probe,
+ .probe = icn8505_probe,
};
module_i2c_driver(icn8505_driver);
ts->regulators[1].supply = "vdd";
error = devm_regulator_bulk_get(dev, ARRAY_SIZE(ts->regulators),
ts->regulators);
- if (error) {
- if (error != -EPROBE_DEFER)
- dev_err(dev, "Failed to get regulators %d\n",
- error);
- return error;
- }
+ if (error)
+ return dev_err_probe(dev, error, "Failed to get regulators\n");
error = cy8ctma140_power_up(ts);
if (error)
.of_match_table = cy8ctma140_of_match,
},
.id_table = cy8ctma140_idtable,
- .probe_new = cy8ctma140_probe,
+ .probe = cy8ctma140_probe,
};
module_i2c_driver(cy8ctma140_driver);
.pm = pm_sleep_ptr(&cy8ctmg110_pm),
},
.id_table = cy8ctmg110_idtable,
- .probe_new = cy8ctmg110_probe,
+ .probe = cy8ctmg110_probe,
};
module_i2c_driver(cy8ctmg110_driver);
* Ensure we wait until the watchdog timer
* running on a different CPU finishes
*/
- del_timer_sync(&cd->watchdog_timer);
+ timer_shutdown_sync(&cd->watchdog_timer);
cancel_work_sync(&cd->watchdog_work);
- del_timer_sync(&cd->watchdog_timer);
}
static void cyttsp4_watchdog_timer(struct timer_list *t)
.name = CYTTSP4_I2C_NAME,
.pm = pm_ptr(&cyttsp4_pm_ops),
},
- .probe_new = cyttsp4_i2c_probe,
+ .probe = cyttsp4_i2c_probe,
.remove = cyttsp4_i2c_remove,
.id_table = cyttsp4_i2c_id,
};
#define HID_DESC_REG 0x1
#define HID_INPUT_REG 0x3
#define HID_OUTPUT_REG 0x4
+#define HID_COMMAND_REG 0x5
#define REPORT_ID_TOUCH 0x1
#define REPORT_ID_BTN 0x3
#define HID_APP_OUTPUT_REPORT_ID 0x2F
#define HID_BL_RESPONSE_REPORT_ID 0x30
#define HID_BL_OUTPUT_REPORT_ID 0x40
+#define HID_RESPONSE_REPORT_ID 0xF0
#define HID_OUTPUT_RESPONSE_REPORT_OFFSET 2
#define HID_OUTPUT_RESPONSE_CMD_OFFSET 4
#define HID_SYSINFO_BTN_MASK GENMASK(7, 0)
#define HID_SYSINFO_MAX_BTN 8
+#define HID_CMD_SET_POWER 0x8
+
+#define HID_POWER_ON 0x0
+#define HID_POWER_SLEEP 0x1
+
#define CY_HID_OUTPUT_TIMEOUT_MS 200
#define CY_HID_OUTPUT_GET_SYSINFO_TIMEOUT_MS 3000
#define CY_HID_GET_HID_DESCRIPTOR_TIMEOUT_MS 4000
+#define CY_HID_SET_POWER_TIMEOUT 500
/* maximum number of concurrent tracks */
#define TOUCH_REPORT_SIZE 10
#define TOUCH_REPORT_USAGE_PG_MIN 0xFF010063
#define TOUCH_COL_USAGE_PG 0x000D0022
+#define SET_CMD_LOW(byte, bits) \
+ ((byte) = (((byte) & 0xF0) | ((bits) & 0x0F)))
+#define SET_CMD_HIGH(byte, bits)\
+ ((byte) = (((byte) & 0x0F) | ((bits) & 0xF0)))
+#define SET_CMD_OPCODE(byte, opcode) SET_CMD_LOW(byte, opcode)
+#define SET_CMD_REPORT_TYPE(byte, type) SET_CMD_HIGH(byte, ((type) << 4))
+#define SET_CMD_REPORT_ID(byte, id) SET_CMD_LOW(byte, id)
+
/* System Information interface definitions */
struct cyttsp5_sensing_conf_data_dev {
u8 electrodes_x;
return cyttsp5_get_sysinfo_regs(ts);
}
+static int cyttsp5_power_control(struct cyttsp5 *ts, bool on)
+{
+ u8 state = on ? HID_POWER_ON : HID_POWER_SLEEP;
+ u8 cmd[2] = { 0 };
+ int rc;
+
+ SET_CMD_REPORT_TYPE(cmd[0], 0);
+ SET_CMD_REPORT_ID(cmd[0], HID_POWER_SLEEP);
+ SET_CMD_OPCODE(cmd[1], HID_CMD_SET_POWER);
+
+ rc = cyttsp5_write(ts, HID_COMMAND_REG, cmd, sizeof(cmd));
+ if (rc) {
+ dev_err(ts->dev, "Failed to write power command %d", rc);
+ return rc;
+ }
+
+ rc = wait_for_completion_interruptible_timeout(&ts->cmd_done,
+ msecs_to_jiffies(CY_HID_SET_POWER_TIMEOUT));
+ if (rc <= 0) {
+ dev_err(ts->dev, "HID power cmd execution timed out\n");
+ return -ETIMEDOUT;
+ }
+
+ if (ts->response_buf[2] != HID_RESPONSE_REPORT_ID ||
+ (ts->response_buf[3] & 0x03) != state ||
+ (ts->response_buf[4] & 0x0f) != HID_CMD_SET_POWER) {
+ dev_err(ts->dev, "Validation of the %s response failed\n",
+ on ? "wakeup" : "sleep");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int cyttsp5_hid_output_bl_launch_app(struct cyttsp5 *ts)
{
int rc;
struct cyttsp5_hid_desc *desc)
{
struct device *dev = ts->dev;
- __le16 hid_desc_register = cpu_to_le16(HID_DESC_REG);
int rc;
- u8 cmd[2];
-
- /* Set HID descriptor register */
- memcpy(cmd, &hid_desc_register, sizeof(hid_desc_register));
rc = cyttsp5_write(ts, HID_DESC_REG, NULL, 0);
if (rc) {
case HID_BTN_REPORT_ID:
cyttsp5_btn_attention(ts->dev);
break;
+ case HID_RESPONSE_REPORT_ID:
+ memcpy(ts->response_buf, ts->input_buf, size);
+ complete(&ts->cmd_done);
+ break;
default:
/* It is not an input but a command response */
memcpy(ts->response_buf, ts->input_buf, size);
};
MODULE_DEVICE_TABLE(i2c, cyttsp5_i2c_id);
+static int __maybe_unused cyttsp5_suspend(struct device *dev)
+{
+ struct cyttsp5 *ts = dev_get_drvdata(dev);
+
+ if (!device_may_wakeup(dev))
+ cyttsp5_power_control(ts, false);
+
+ return 0;
+}
+
+static int __maybe_unused cyttsp5_resume(struct device *dev)
+{
+ struct cyttsp5 *ts = dev_get_drvdata(dev);
+
+ if (!device_may_wakeup(dev))
+ cyttsp5_power_control(ts, true);
+
+ return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(cyttsp5_pm, cyttsp5_suspend, cyttsp5_resume);
+
static struct i2c_driver cyttsp5_i2c_driver = {
.driver = {
.name = CYTTSP5_NAME,
.of_match_table = cyttsp5_of_match,
+ .pm = &cyttsp5_pm,
},
- .probe_new = cyttsp5_i2c_probe,
+ .probe = cyttsp5_i2c_probe,
.id_table = cyttsp5_i2c_id,
};
module_i2c_driver(cyttsp5_i2c_driver);
.pm = pm_sleep_ptr(&cyttsp_pm_ops),
.of_match_table = cyttsp_of_i2c_match,
},
- .probe_new = cyttsp_i2c_probe,
+ .probe = cyttsp_i2c_probe,
.id_table = cyttsp_i2c_id,
};
tsdata->max_support_points = chip_data->max_support_points;
tsdata->vcc = devm_regulator_get(&client->dev, "vcc");
- if (IS_ERR(tsdata->vcc)) {
- error = PTR_ERR(tsdata->vcc);
- if (error != -EPROBE_DEFER)
- dev_err(&client->dev,
- "failed to request regulator: %d\n", error);
- return error;
- }
+ if (IS_ERR(tsdata->vcc))
+ return dev_err_probe(&client->dev, PTR_ERR(tsdata->vcc),
+ "failed to request regulator\n");
tsdata->iovcc = devm_regulator_get(&client->dev, "iovcc");
if (IS_ERR(tsdata->iovcc)) {
if (tsdata->wake_gpio) {
usleep_range(5000, 6000);
gpiod_set_value_cansleep(tsdata->wake_gpio, 1);
+ usleep_range(5000, 6000);
}
if (tsdata->reset_gpio) {
.probe_type = PROBE_PREFER_ASYNCHRONOUS,
},
.id_table = edt_ft5x06_ts_id,
- .probe_new = edt_ft5x06_ts_probe,
+ .probe = edt_ft5x06_ts_probe,
.remove = edt_ft5x06_ts_remove,
};
.pm = pm_sleep_ptr(&eeti_ts_pm),
.of_match_table = of_match_ptr(of_eeti_ts_match),
},
- .probe_new = eeti_ts_probe,
+ .probe = eeti_ts_probe,
.id_table = eeti_ts_id,
};
.of_match_table = egalax_ts_dt_ids,
},
.id_table = egalax_ts_id,
- .probe_new = egalax_ts_probe,
+ .probe = egalax_ts_probe,
};
module_i2c_driver(egalax_ts_driver);
/* This requests the gpio *and* turns on the touchscreen controller */
ts->power_gpios = devm_gpiod_get(dev, "power", GPIOD_OUT_HIGH);
- if (IS_ERR(ts->power_gpios)) {
- error = PTR_ERR(ts->power_gpios);
- if (error != -EPROBE_DEFER)
- dev_err(dev, "Error getting power gpio: %d\n", error);
- return error;
- }
+ if (IS_ERR(ts->power_gpios))
+ return dev_err_probe(dev, PTR_ERR(ts->power_gpios), "Error getting power gpio\n");
input = devm_input_allocate_device(dev);
if (!input)
.pm = pm_sleep_ptr(&ektf2127_pm_ops),
.of_match_table = of_match_ptr(ektf2127_of_match),
},
- .probe_new = ektf2127_probe,
+ .probe = ektf2127_probe,
.id_table = ektf2127_i2c_id,
};
module_i2c_driver(ektf2127_driver);
i2c_set_clientdata(client, ts);
ts->vcc33 = devm_regulator_get(&client->dev, "vcc33");
- if (IS_ERR(ts->vcc33)) {
- error = PTR_ERR(ts->vcc33);
- if (error != -EPROBE_DEFER)
- dev_err(&client->dev,
- "Failed to get 'vcc33' regulator: %d\n",
- error);
- return error;
- }
+ if (IS_ERR(ts->vcc33))
+ return dev_err_probe(&client->dev, PTR_ERR(ts->vcc33),
+ "Failed to get 'vcc33' regulator\n");
ts->vccio = devm_regulator_get(&client->dev, "vccio");
- if (IS_ERR(ts->vccio)) {
- error = PTR_ERR(ts->vccio);
- if (error != -EPROBE_DEFER)
- dev_err(&client->dev,
- "Failed to get 'vccio' regulator: %d\n",
- error);
- return error;
- }
+ if (IS_ERR(ts->vccio))
+ return dev_err_probe(&client->dev, PTR_ERR(ts->vccio),
+ "Failed to get 'vccio' regulator\n");
ts->reset_gpio = devm_gpiod_get(&client->dev, "reset", GPIOD_OUT_HIGH);
if (IS_ERR(ts->reset_gpio)) {
#endif
static struct i2c_driver elants_i2c_driver = {
- .probe_new = elants_i2c_probe,
+ .probe = elants_i2c_probe,
.id_table = elants_i2c_id,
.driver = {
.name = DEVICE_NAME,
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/of.h>
+#include <linux/regulator/consumer.h>
#include <linux/sizes.h>
#include <linux/timer.h>
#include <asm/unaligned.h>
if (IS_ERR(data->reset))
return PTR_ERR(data->reset);
+ /* For proper reset sequence, enable power while reset asserted */
+ error = devm_regulator_get_enable(&client->dev, "vdd");
+ if (error && error != -ENODEV)
+ return dev_err_probe(&client->dev, error,
+ "failed to request vdd regulator\n");
+
if (data->reset) {
msleep(EXC3000_RESET_MS);
gpiod_set_value_cansleep(data->reset, 0);
.of_match_table = of_match_ptr(exc3000_of_match),
},
.id_table = exc3000_id,
- .probe_new = exc3000_probe,
+ .probe = exc3000_probe,
};
module_i2c_driver(exc3000_driver);
*/
static int goodix_get_gpio_config(struct goodix_ts_data *ts)
{
- int error;
struct device *dev;
struct gpio_desc *gpiod;
bool added_acpi_mappings = false;
ts->gpiod_rst_flags = GPIOD_IN;
ts->avdd28 = devm_regulator_get(dev, "AVDD28");
- if (IS_ERR(ts->avdd28)) {
- error = PTR_ERR(ts->avdd28);
- if (error != -EPROBE_DEFER)
- dev_err(dev,
- "Failed to get AVDD28 regulator: %d\n", error);
- return error;
- }
+ if (IS_ERR(ts->avdd28))
+ return dev_err_probe(dev, PTR_ERR(ts->avdd28), "Failed to get AVDD28 regulator\n");
ts->vddio = devm_regulator_get(dev, "VDDIO");
- if (IS_ERR(ts->vddio)) {
- error = PTR_ERR(ts->vddio);
- if (error != -EPROBE_DEFER)
- dev_err(dev,
- "Failed to get VDDIO regulator: %d\n", error);
- return error;
- }
+ if (IS_ERR(ts->vddio))
+ return dev_err_probe(dev, PTR_ERR(ts->vddio), "Failed to get VDDIO regulator\n");
retry_get_irq_gpio:
/* Get the interrupt GPIO pin number */
gpiod = devm_gpiod_get_optional(dev, GOODIX_GPIO_INT_NAME, GPIOD_IN);
- if (IS_ERR(gpiod)) {
- error = PTR_ERR(gpiod);
- if (error != -EPROBE_DEFER)
- dev_err(dev, "Failed to get %s GPIO: %d\n",
- GOODIX_GPIO_INT_NAME, error);
- return error;
- }
+ if (IS_ERR(gpiod))
+ return dev_err_probe(dev, PTR_ERR(gpiod), "Failed to get %s GPIO\n",
+ GOODIX_GPIO_INT_NAME);
+
if (!gpiod && has_acpi_companion(dev) && !added_acpi_mappings) {
added_acpi_mappings = true;
if (goodix_add_acpi_gpio_mappings(ts) == 0)
/* Get the reset line GPIO pin number */
gpiod = devm_gpiod_get_optional(dev, GOODIX_GPIO_RST_NAME, ts->gpiod_rst_flags);
- if (IS_ERR(gpiod)) {
- error = PTR_ERR(gpiod);
- if (error != -EPROBE_DEFER)
- dev_err(dev, "Failed to get %s GPIO: %d\n",
- GOODIX_GPIO_RST_NAME, error);
- return error;
- }
+ if (IS_ERR(gpiod))
+ return dev_err_probe(dev, PTR_ERR(gpiod), "Failed to get %s GPIO\n",
+ GOODIX_GPIO_RST_NAME);
ts->gpiod_rst = gpiod;
#endif
static struct i2c_driver goodix_ts_driver = {
- .probe_new = goodix_ts_probe,
+ .probe = goodix_ts_probe,
.remove = goodix_ts_remove,
.id_table = goodix_ts_id,
.driver = {
.pm = pm_sleep_ptr(&hideep_pm_ops),
},
.id_table = hideep_i2c_id,
- .probe_new = hideep_probe,
+ .probe = hideep_probe,
};
module_i2c_driver(hideep_driver);
#endif
static struct i2c_driver himax_ts_driver = {
- .probe_new = himax_probe,
+ .probe = himax_probe,
.id_table = himax_ts_id,
.driver = {
.name = "Himax-hx83112b-TS",
.probe_type = PROBE_PREFER_ASYNCHRONOUS,
},
.id_table = hycon_hy46xx_id,
- .probe_new = hycon_hy46xx_probe,
+ .probe = hycon_hy46xx_probe,
};
module_i2c_driver(hycon_hy46xx_driver);
.probe_type = PROBE_PREFER_ASYNCHRONOUS,
},
.id_table = hyn_tpd_id,
- .probe_new = hyn_probe,
+ .probe = hyn_probe,
};
module_i2c_driver(hynitron_i2c_driver);
/* The firmware update blob might have changed the resolution. */
error = priv->chip->read_reg(client, REG_PANEL_INFO, &rs, sizeof(rs));
- if (error)
- return error;
+ if (!error) {
+ resx = le16_to_cpup((__le16 *)rs);
+ resy = le16_to_cpup((__le16 *)(rs + 2));
- resx = le16_to_cpup((__le16 *)rs);
- resy = le16_to_cpup((__le16 *)(rs + 2));
+ /* The value reported by the firmware is invalid. */
+ if (!resx || resx == 0xffff || !resy || resy == 0xffff)
+ error = -EINVAL;
+ }
- /* The value reported by the firmware is invalid. */
- if (!resx || resx == 0xffff || !resy || resy == 0xffff)
- return -EINVAL;
+ /*
+ * In case of error, the firmware might be stuck in bootloader mode,
+ * e.g. after a failed firmware update. Set maximum resolution, but
+ * do not fail to probe, so the user can re-trigger the firmware
+ * update and recover the touch controller.
+ */
+ if (error) {
+ dev_warn(dev, "Invalid resolution reported by controller.\n");
+ resx = 16384;
+ resy = 16384;
+ }
input_abs_set_max(priv->input, ABS_X, resx - 1);
input_abs_set_max(priv->input, ABS_Y, resy - 1);
input_abs_set_max(priv->input, ABS_MT_POSITION_X, resx - 1);
input_abs_set_max(priv->input, ABS_MT_POSITION_Y, resy - 1);
- return 0;
+ return error;
}
static ssize_t ili251x_firmware_update_firmware_version(struct device *dev)
if (priv->chip->has_pressure_reg)
input_set_abs_params(input, ABS_MT_PRESSURE, 0, 0xa, 0, 0);
error = ili251x_firmware_update_cached_state(dev);
- if (error) {
- dev_err(dev, "Unable to cache firmware information, err: %d\n",
- error);
- return error;
- }
+ if (error)
+ dev_warn(dev, "Unable to cache firmware information, err: %d\n",
+ error);
+
touchscreen_parse_properties(input, true, &priv->prop);
error = input_mt_init_slots(input, priv->chip->max_touches,
.of_match_table = ili210x_dt_ids,
},
.id_table = ili210x_i2c_id,
- .probe_new = ili210x_i2c_probe,
+ .probe = ili210x_i2c_probe,
};
module_i2c_driver(ili210x_ts_driver);
.of_match_table = of_match_ptr(ilitek_ts_i2c_match),
.acpi_match_table = ACPI_PTR(ilitekts_acpi_id),
},
- .probe_new = ilitek_ts_i2c_probe,
+ .probe = ilitek_ts_i2c_probe,
.id_table = ilitek_ts_i2c_id,
};
module_i2c_driver(ilitek_ts_i2c_driver);
.pm = pm_sleep_ptr(&imagis_pm_ops),
.of_match_table = of_match_ptr(imagis_of_match),
},
- .probe_new = imagis_probe,
+ .probe = imagis_probe,
};
module_i2c_driver(imagis_ts_driver);
.pm = pm_sleep_ptr(&iqs5xx_pm),
},
.id_table = iqs5xx_id,
- .probe_new = iqs5xx_probe,
+ .probe = iqs5xx_probe,
};
module_i2c_driver(iqs5xx_i2c_driver);
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Azoteq IQS7210A/7211A/E Trackpad/Touchscreen Controller
+ *
+ * Copyright (C) 2023 Jeff LaBundy <jeff@labundy.com>
+ */
+
+#include <linux/bits.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/gpio/consumer.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/input/mt.h>
+#include <linux/input/touchscreen.h>
+#include <linux/interrupt.h>
+#include <linux/iopoll.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/property.h>
+#include <linux/slab.h>
+#include <asm/unaligned.h>
+
+#define IQS7211_PROD_NUM 0x00
+
+#define IQS7211_EVENT_MASK_ALL GENMASK(14, 8)
+#define IQS7211_EVENT_MASK_ALP BIT(13)
+#define IQS7211_EVENT_MASK_BTN BIT(12)
+#define IQS7211_EVENT_MASK_ATI BIT(11)
+#define IQS7211_EVENT_MASK_MOVE BIT(10)
+#define IQS7211_EVENT_MASK_GSTR BIT(9)
+#define IQS7211_EVENT_MODE BIT(8)
+
+#define IQS7211_COMMS_ERROR 0xEEEE
+#define IQS7211_COMMS_RETRY_MS 50
+#define IQS7211_COMMS_SLEEP_US 100
+#define IQS7211_COMMS_TIMEOUT_US (100 * USEC_PER_MSEC)
+#define IQS7211_RESET_TIMEOUT_MS 150
+#define IQS7211_START_TIMEOUT_US (1 * USEC_PER_SEC)
+
+#define IQS7211_NUM_RETRIES 5
+#define IQS7211_NUM_CRX 8
+#define IQS7211_MAX_CTX 13
+
+#define IQS7211_MAX_CONTACTS 2
+#define IQS7211_MAX_CYCLES 21
+
+/*
+ * The following delay is used during instances that must wait for the open-
+ * drain RDY pin to settle. Its value is calculated as 5*R*C, where R and C
+ * represent typical datasheet values of 4.7k and 100 nF, respectively.
+ */
+#define iqs7211_irq_wait() usleep_range(2500, 2600)
+
+enum iqs7211_dev_id {
+ IQS7210A,
+ IQS7211A,
+ IQS7211E,
+};
+
+enum iqs7211_comms_mode {
+ IQS7211_COMMS_MODE_WAIT,
+ IQS7211_COMMS_MODE_FREE,
+ IQS7211_COMMS_MODE_FORCE,
+};
+
+struct iqs7211_reg_field_desc {
+ struct list_head list;
+ u8 addr;
+ u16 mask;
+ u16 val;
+};
+
+enum iqs7211_reg_key_id {
+ IQS7211_REG_KEY_NONE,
+ IQS7211_REG_KEY_PROX,
+ IQS7211_REG_KEY_TOUCH,
+ IQS7211_REG_KEY_TAP,
+ IQS7211_REG_KEY_HOLD,
+ IQS7211_REG_KEY_PALM,
+ IQS7211_REG_KEY_AXIAL_X,
+ IQS7211_REG_KEY_AXIAL_Y,
+ IQS7211_REG_KEY_RESERVED
+};
+
+enum iqs7211_reg_grp_id {
+ IQS7211_REG_GRP_TP,
+ IQS7211_REG_GRP_BTN,
+ IQS7211_REG_GRP_ALP,
+ IQS7211_REG_GRP_SYS,
+ IQS7211_NUM_REG_GRPS
+};
+
+static const char * const iqs7211_reg_grp_names[IQS7211_NUM_REG_GRPS] = {
+ [IQS7211_REG_GRP_TP] = "trackpad",
+ [IQS7211_REG_GRP_BTN] = "button",
+ [IQS7211_REG_GRP_ALP] = "alp",
+};
+
+static const u16 iqs7211_reg_grp_masks[IQS7211_NUM_REG_GRPS] = {
+ [IQS7211_REG_GRP_TP] = IQS7211_EVENT_MASK_GSTR,
+ [IQS7211_REG_GRP_BTN] = IQS7211_EVENT_MASK_BTN,
+ [IQS7211_REG_GRP_ALP] = IQS7211_EVENT_MASK_ALP,
+};
+
+struct iqs7211_event_desc {
+ const char *name;
+ u16 mask;
+ u16 enable;
+ enum iqs7211_reg_grp_id reg_grp;
+ enum iqs7211_reg_key_id reg_key;
+};
+
+static const struct iqs7211_event_desc iqs7210a_kp_events[] = {
+ {
+ .mask = BIT(10),
+ .enable = BIT(13) | BIT(12),
+ .reg_grp = IQS7211_REG_GRP_ALP,
+ },
+ {
+ .name = "event-prox",
+ .mask = BIT(2),
+ .enable = BIT(5) | BIT(4),
+ .reg_grp = IQS7211_REG_GRP_BTN,
+ .reg_key = IQS7211_REG_KEY_PROX,
+ },
+ {
+ .name = "event-touch",
+ .mask = BIT(3),
+ .enable = BIT(5) | BIT(4),
+ .reg_grp = IQS7211_REG_GRP_BTN,
+ .reg_key = IQS7211_REG_KEY_TOUCH,
+ },
+ {
+ .name = "event-tap",
+ .mask = BIT(0),
+ .enable = BIT(0),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_TAP,
+ },
+ {
+ .name = "event-hold",
+ .mask = BIT(1),
+ .enable = BIT(1),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_HOLD,
+ },
+ {
+ .name = "event-swipe-x-neg",
+ .mask = BIT(2),
+ .enable = BIT(2),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_AXIAL_X,
+ },
+ {
+ .name = "event-swipe-x-pos",
+ .mask = BIT(3),
+ .enable = BIT(3),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_AXIAL_X,
+ },
+ {
+ .name = "event-swipe-y-pos",
+ .mask = BIT(4),
+ .enable = BIT(4),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_AXIAL_Y,
+ },
+ {
+ .name = "event-swipe-y-neg",
+ .mask = BIT(5),
+ .enable = BIT(5),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_AXIAL_Y,
+ },
+};
+
+static const struct iqs7211_event_desc iqs7211a_kp_events[] = {
+ {
+ .mask = BIT(14),
+ .reg_grp = IQS7211_REG_GRP_ALP,
+ },
+ {
+ .name = "event-tap",
+ .mask = BIT(0),
+ .enable = BIT(0),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_TAP,
+ },
+ {
+ .name = "event-hold",
+ .mask = BIT(1),
+ .enable = BIT(1),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_HOLD,
+ },
+ {
+ .name = "event-swipe-x-neg",
+ .mask = BIT(2),
+ .enable = BIT(2),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_AXIAL_X,
+ },
+ {
+ .name = "event-swipe-x-pos",
+ .mask = BIT(3),
+ .enable = BIT(3),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_AXIAL_X,
+ },
+ {
+ .name = "event-swipe-y-pos",
+ .mask = BIT(4),
+ .enable = BIT(4),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_AXIAL_Y,
+ },
+ {
+ .name = "event-swipe-y-neg",
+ .mask = BIT(5),
+ .enable = BIT(5),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_AXIAL_Y,
+ },
+};
+
+static const struct iqs7211_event_desc iqs7211e_kp_events[] = {
+ {
+ .mask = BIT(14),
+ .reg_grp = IQS7211_REG_GRP_ALP,
+ },
+ {
+ .name = "event-tap",
+ .mask = BIT(0),
+ .enable = BIT(0),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_TAP,
+ },
+ {
+ .name = "event-tap-double",
+ .mask = BIT(1),
+ .enable = BIT(1),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_TAP,
+ },
+ {
+ .name = "event-tap-triple",
+ .mask = BIT(2),
+ .enable = BIT(2),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_TAP,
+ },
+ {
+ .name = "event-hold",
+ .mask = BIT(3),
+ .enable = BIT(3),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_HOLD,
+ },
+ {
+ .name = "event-palm",
+ .mask = BIT(4),
+ .enable = BIT(4),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_PALM,
+ },
+ {
+ .name = "event-swipe-x-pos",
+ .mask = BIT(8),
+ .enable = BIT(8),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_AXIAL_X,
+ },
+ {
+ .name = "event-swipe-x-neg",
+ .mask = BIT(9),
+ .enable = BIT(9),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_AXIAL_X,
+ },
+ {
+ .name = "event-swipe-y-pos",
+ .mask = BIT(10),
+ .enable = BIT(10),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_AXIAL_Y,
+ },
+ {
+ .name = "event-swipe-y-neg",
+ .mask = BIT(11),
+ .enable = BIT(11),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_AXIAL_Y,
+ },
+ {
+ .name = "event-swipe-x-pos-hold",
+ .mask = BIT(12),
+ .enable = BIT(12),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_HOLD,
+ },
+ {
+ .name = "event-swipe-x-neg-hold",
+ .mask = BIT(13),
+ .enable = BIT(13),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_HOLD,
+ },
+ {
+ .name = "event-swipe-y-pos-hold",
+ .mask = BIT(14),
+ .enable = BIT(14),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_HOLD,
+ },
+ {
+ .name = "event-swipe-y-neg-hold",
+ .mask = BIT(15),
+ .enable = BIT(15),
+ .reg_grp = IQS7211_REG_GRP_TP,
+ .reg_key = IQS7211_REG_KEY_HOLD,
+ },
+};
+
+struct iqs7211_dev_desc {
+ const char *tp_name;
+ const char *kp_name;
+ u16 prod_num;
+ u16 show_reset;
+ u16 ati_error[IQS7211_NUM_REG_GRPS];
+ u16 ati_start[IQS7211_NUM_REG_GRPS];
+ u16 suspend;
+ u16 ack_reset;
+ u16 comms_end;
+ u16 comms_req;
+ int charge_shift;
+ int info_offs;
+ int gesture_offs;
+ int contact_offs;
+ u8 sys_stat;
+ u8 sys_ctrl;
+ u8 alp_config;
+ u8 tp_config;
+ u8 exp_file;
+ u8 kp_enable[IQS7211_NUM_REG_GRPS];
+ u8 gesture_angle;
+ u8 rx_tx_map;
+ u8 cycle_alloc[2];
+ u8 cycle_limit[2];
+ const struct iqs7211_event_desc *kp_events;
+ int num_kp_events;
+ int min_crx_alp;
+ int num_ctx;
+};
+
+static const struct iqs7211_dev_desc iqs7211_devs[] = {
+ [IQS7210A] = {
+ .tp_name = "iqs7210a_trackpad",
+ .kp_name = "iqs7210a_keys",
+ .prod_num = 944,
+ .show_reset = BIT(15),
+ .ati_error = {
+ [IQS7211_REG_GRP_TP] = BIT(12),
+ [IQS7211_REG_GRP_BTN] = BIT(0),
+ [IQS7211_REG_GRP_ALP] = BIT(8),
+ },
+ .ati_start = {
+ [IQS7211_REG_GRP_TP] = BIT(13),
+ [IQS7211_REG_GRP_BTN] = BIT(1),
+ [IQS7211_REG_GRP_ALP] = BIT(9),
+ },
+ .suspend = BIT(11),
+ .ack_reset = BIT(7),
+ .comms_end = BIT(2),
+ .comms_req = BIT(1),
+ .charge_shift = 4,
+ .info_offs = 0,
+ .gesture_offs = 1,
+ .contact_offs = 4,
+ .sys_stat = 0x0A,
+ .sys_ctrl = 0x35,
+ .alp_config = 0x39,
+ .tp_config = 0x4E,
+ .exp_file = 0x57,
+ .kp_enable = {
+ [IQS7211_REG_GRP_TP] = 0x58,
+ [IQS7211_REG_GRP_BTN] = 0x37,
+ [IQS7211_REG_GRP_ALP] = 0x37,
+ },
+ .gesture_angle = 0x5F,
+ .rx_tx_map = 0x60,
+ .cycle_alloc = { 0x66, 0x75, },
+ .cycle_limit = { 10, 6, },
+ .kp_events = iqs7210a_kp_events,
+ .num_kp_events = ARRAY_SIZE(iqs7210a_kp_events),
+ .min_crx_alp = 4,
+ .num_ctx = IQS7211_MAX_CTX - 1,
+ },
+ [IQS7211A] = {
+ .tp_name = "iqs7211a_trackpad",
+ .kp_name = "iqs7211a_keys",
+ .prod_num = 763,
+ .show_reset = BIT(7),
+ .ati_error = {
+ [IQS7211_REG_GRP_TP] = BIT(3),
+ [IQS7211_REG_GRP_ALP] = BIT(5),
+ },
+ .ati_start = {
+ [IQS7211_REG_GRP_TP] = BIT(5),
+ [IQS7211_REG_GRP_ALP] = BIT(6),
+ },
+ .ack_reset = BIT(7),
+ .comms_req = BIT(4),
+ .charge_shift = 0,
+ .info_offs = 0,
+ .gesture_offs = 1,
+ .contact_offs = 4,
+ .sys_stat = 0x10,
+ .sys_ctrl = 0x50,
+ .tp_config = 0x60,
+ .alp_config = 0x72,
+ .exp_file = 0x74,
+ .kp_enable = {
+ [IQS7211_REG_GRP_TP] = 0x80,
+ },
+ .gesture_angle = 0x87,
+ .rx_tx_map = 0x90,
+ .cycle_alloc = { 0xA0, 0xB0, },
+ .cycle_limit = { 10, 8, },
+ .kp_events = iqs7211a_kp_events,
+ .num_kp_events = ARRAY_SIZE(iqs7211a_kp_events),
+ .num_ctx = IQS7211_MAX_CTX - 1,
+ },
+ [IQS7211E] = {
+ .tp_name = "iqs7211e_trackpad",
+ .kp_name = "iqs7211e_keys",
+ .prod_num = 1112,
+ .show_reset = BIT(7),
+ .ati_error = {
+ [IQS7211_REG_GRP_TP] = BIT(3),
+ [IQS7211_REG_GRP_ALP] = BIT(5),
+ },
+ .ati_start = {
+ [IQS7211_REG_GRP_TP] = BIT(5),
+ [IQS7211_REG_GRP_ALP] = BIT(6),
+ },
+ .suspend = BIT(11),
+ .ack_reset = BIT(7),
+ .comms_end = BIT(6),
+ .comms_req = BIT(4),
+ .charge_shift = 0,
+ .info_offs = 1,
+ .gesture_offs = 0,
+ .contact_offs = 2,
+ .sys_stat = 0x0E,
+ .sys_ctrl = 0x33,
+ .tp_config = 0x41,
+ .alp_config = 0x36,
+ .exp_file = 0x4A,
+ .kp_enable = {
+ [IQS7211_REG_GRP_TP] = 0x4B,
+ },
+ .gesture_angle = 0x55,
+ .rx_tx_map = 0x56,
+ .cycle_alloc = { 0x5D, 0x6C, },
+ .cycle_limit = { 10, 11, },
+ .kp_events = iqs7211e_kp_events,
+ .num_kp_events = ARRAY_SIZE(iqs7211e_kp_events),
+ .num_ctx = IQS7211_MAX_CTX,
+ },
+};
+
+struct iqs7211_prop_desc {
+ const char *name;
+ enum iqs7211_reg_key_id reg_key;
+ u8 reg_addr[IQS7211_NUM_REG_GRPS][ARRAY_SIZE(iqs7211_devs)];
+ int reg_shift;
+ int reg_width;
+ int val_pitch;
+ int val_min;
+ int val_max;
+ const char *label;
+};
+
+static const struct iqs7211_prop_desc iqs7211_props[] = {
+ {
+ .name = "azoteq,ati-frac-div-fine",
+ .reg_addr = {
+ [IQS7211_REG_GRP_TP] = {
+ [IQS7210A] = 0x1E,
+ [IQS7211A] = 0x30,
+ [IQS7211E] = 0x21,
+ },
+ [IQS7211_REG_GRP_BTN] = {
+ [IQS7210A] = 0x22,
+ },
+ [IQS7211_REG_GRP_ALP] = {
+ [IQS7210A] = 0x23,
+ [IQS7211A] = 0x36,
+ [IQS7211E] = 0x25,
+ },
+ },
+ .reg_shift = 9,
+ .reg_width = 5,
+ .label = "ATI fine fractional divider",
+ },
+ {
+ .name = "azoteq,ati-frac-mult-coarse",
+ .reg_addr = {
+ [IQS7211_REG_GRP_TP] = {
+ [IQS7210A] = 0x1E,
+ [IQS7211A] = 0x30,
+ [IQS7211E] = 0x21,
+ },
+ [IQS7211_REG_GRP_BTN] = {
+ [IQS7210A] = 0x22,
+ },
+ [IQS7211_REG_GRP_ALP] = {
+ [IQS7210A] = 0x23,
+ [IQS7211A] = 0x36,
+ [IQS7211E] = 0x25,
+ },
+ },
+ .reg_shift = 5,
+ .reg_width = 4,
+ .label = "ATI coarse fractional multiplier",
+ },
+ {
+ .name = "azoteq,ati-frac-div-coarse",
+ .reg_addr = {
+ [IQS7211_REG_GRP_TP] = {
+ [IQS7210A] = 0x1E,
+ [IQS7211A] = 0x30,
+ [IQS7211E] = 0x21,
+ },
+ [IQS7211_REG_GRP_BTN] = {
+ [IQS7210A] = 0x22,
+ },
+ [IQS7211_REG_GRP_ALP] = {
+ [IQS7210A] = 0x23,
+ [IQS7211A] = 0x36,
+ [IQS7211E] = 0x25,
+ },
+ },
+ .reg_shift = 0,
+ .reg_width = 5,
+ .label = "ATI coarse fractional divider",
+ },
+ {
+ .name = "azoteq,ati-comp-div",
+ .reg_addr = {
+ [IQS7211_REG_GRP_TP] = {
+ [IQS7210A] = 0x1F,
+ [IQS7211E] = 0x22,
+ },
+ [IQS7211_REG_GRP_BTN] = {
+ [IQS7210A] = 0x24,
+ },
+ [IQS7211_REG_GRP_ALP] = {
+ [IQS7211E] = 0x26,
+ },
+ },
+ .reg_shift = 0,
+ .reg_width = 8,
+ .val_max = 31,
+ .label = "ATI compensation divider",
+ },
+ {
+ .name = "azoteq,ati-comp-div",
+ .reg_addr = {
+ [IQS7211_REG_GRP_ALP] = {
+ [IQS7210A] = 0x24,
+ },
+ },
+ .reg_shift = 8,
+ .reg_width = 8,
+ .val_max = 31,
+ .label = "ATI compensation divider",
+ },
+ {
+ .name = "azoteq,ati-comp-div",
+ .reg_addr = {
+ [IQS7211_REG_GRP_TP] = {
+ [IQS7211A] = 0x31,
+ },
+ [IQS7211_REG_GRP_ALP] = {
+ [IQS7211A] = 0x37,
+ },
+ },
+ .val_max = 31,
+ .label = "ATI compensation divider",
+ },
+ {
+ .name = "azoteq,ati-target",
+ .reg_addr = {
+ [IQS7211_REG_GRP_TP] = {
+ [IQS7210A] = 0x20,
+ [IQS7211A] = 0x32,
+ [IQS7211E] = 0x23,
+ },
+ [IQS7211_REG_GRP_BTN] = {
+ [IQS7210A] = 0x27,
+ },
+ [IQS7211_REG_GRP_ALP] = {
+ [IQS7210A] = 0x28,
+ [IQS7211A] = 0x38,
+ [IQS7211E] = 0x27,
+ },
+ },
+ .label = "ATI target",
+ },
+ {
+ .name = "azoteq,ati-base",
+ .reg_addr[IQS7211_REG_GRP_ALP] = {
+ [IQS7210A] = 0x26,
+ },
+ .reg_shift = 8,
+ .reg_width = 8,
+ .val_pitch = 8,
+ .label = "ATI base",
+ },
+ {
+ .name = "azoteq,ati-base",
+ .reg_addr[IQS7211_REG_GRP_BTN] = {
+ [IQS7210A] = 0x26,
+ },
+ .reg_shift = 0,
+ .reg_width = 8,
+ .val_pitch = 8,
+ .label = "ATI base",
+ },
+ {
+ .name = "azoteq,rate-active-ms",
+ .reg_addr[IQS7211_REG_GRP_SYS] = {
+ [IQS7210A] = 0x29,
+ [IQS7211A] = 0x40,
+ [IQS7211E] = 0x28,
+ },
+ .label = "active mode report rate",
+ },
+ {
+ .name = "azoteq,rate-touch-ms",
+ .reg_addr[IQS7211_REG_GRP_SYS] = {
+ [IQS7210A] = 0x2A,
+ [IQS7211A] = 0x41,
+ [IQS7211E] = 0x29,
+ },
+ .label = "idle-touch mode report rate",
+ },
+ {
+ .name = "azoteq,rate-idle-ms",
+ .reg_addr[IQS7211_REG_GRP_SYS] = {
+ [IQS7210A] = 0x2B,
+ [IQS7211A] = 0x42,
+ [IQS7211E] = 0x2A,
+ },
+ .label = "idle mode report rate",
+ },
+ {
+ .name = "azoteq,rate-lp1-ms",
+ .reg_addr[IQS7211_REG_GRP_SYS] = {
+ [IQS7210A] = 0x2C,
+ [IQS7211A] = 0x43,
+ [IQS7211E] = 0x2B,
+ },
+ .label = "low-power mode 1 report rate",
+ },
+ {
+ .name = "azoteq,rate-lp2-ms",
+ .reg_addr[IQS7211_REG_GRP_SYS] = {
+ [IQS7210A] = 0x2D,
+ [IQS7211A] = 0x44,
+ [IQS7211E] = 0x2C,
+ },
+ .label = "low-power mode 2 report rate",
+ },
+ {
+ .name = "azoteq,timeout-active-ms",
+ .reg_addr[IQS7211_REG_GRP_SYS] = {
+ [IQS7210A] = 0x2E,
+ [IQS7211A] = 0x45,
+ [IQS7211E] = 0x2D,
+ },
+ .val_pitch = 1000,
+ .label = "active mode timeout",
+ },
+ {
+ .name = "azoteq,timeout-touch-ms",
+ .reg_addr[IQS7211_REG_GRP_SYS] = {
+ [IQS7210A] = 0x2F,
+ [IQS7211A] = 0x46,
+ [IQS7211E] = 0x2E,
+ },
+ .val_pitch = 1000,
+ .label = "idle-touch mode timeout",
+ },
+ {
+ .name = "azoteq,timeout-idle-ms",
+ .reg_addr[IQS7211_REG_GRP_SYS] = {
+ [IQS7210A] = 0x30,
+ [IQS7211A] = 0x47,
+ [IQS7211E] = 0x2F,
+ },
+ .val_pitch = 1000,
+ .label = "idle mode timeout",
+ },
+ {
+ .name = "azoteq,timeout-lp1-ms",
+ .reg_addr[IQS7211_REG_GRP_SYS] = {
+ [IQS7210A] = 0x31,
+ [IQS7211A] = 0x48,
+ [IQS7211E] = 0x30,
+ },
+ .val_pitch = 1000,
+ .label = "low-power mode 1 timeout",
+ },
+ {
+ .name = "azoteq,timeout-lp2-ms",
+ .reg_addr[IQS7211_REG_GRP_SYS] = {
+ [IQS7210A] = 0x32,
+ [IQS7211E] = 0x31,
+ },
+ .reg_shift = 8,
+ .reg_width = 8,
+ .val_pitch = 1000,
+ .val_max = 60000,
+ .label = "trackpad reference value update rate",
+ },
+ {
+ .name = "azoteq,timeout-lp2-ms",
+ .reg_addr[IQS7211_REG_GRP_SYS] = {
+ [IQS7211A] = 0x49,
+ },
+ .val_pitch = 1000,
+ .val_max = 60000,
+ .label = "trackpad reference value update rate",
+ },
+ {
+ .name = "azoteq,timeout-ati-ms",
+ .reg_addr[IQS7211_REG_GRP_SYS] = {
+ [IQS7210A] = 0x32,
+ [IQS7211E] = 0x31,
+ },
+ .reg_width = 8,
+ .val_pitch = 1000,
+ .val_max = 60000,
+ .label = "ATI error timeout",
+ },
+ {
+ .name = "azoteq,timeout-ati-ms",
+ .reg_addr[IQS7211_REG_GRP_SYS] = {
+ [IQS7211A] = 0x35,
+ },
+ .val_pitch = 1000,
+ .val_max = 60000,
+ .label = "ATI error timeout",
+ },
+ {
+ .name = "azoteq,timeout-comms-ms",
+ .reg_addr[IQS7211_REG_GRP_SYS] = {
+ [IQS7210A] = 0x33,
+ [IQS7211A] = 0x4A,
+ [IQS7211E] = 0x32,
+ },
+ .label = "communication timeout",
+ },
+ {
+ .name = "azoteq,timeout-press-ms",
+ .reg_addr[IQS7211_REG_GRP_SYS] = {
+ [IQS7210A] = 0x34,
+ },
+ .reg_width = 8,
+ .val_pitch = 1000,
+ .val_max = 60000,
+ .label = "press timeout",
+ },
+ {
+ .name = "azoteq,ati-mode",
+ .reg_addr[IQS7211_REG_GRP_ALP] = {
+ [IQS7210A] = 0x37,
+ },
+ .reg_shift = 15,
+ .reg_width = 1,
+ .label = "ATI mode",
+ },
+ {
+ .name = "azoteq,ati-mode",
+ .reg_addr[IQS7211_REG_GRP_BTN] = {
+ [IQS7210A] = 0x37,
+ },
+ .reg_shift = 7,
+ .reg_width = 1,
+ .label = "ATI mode",
+ },
+ {
+ .name = "azoteq,sense-mode",
+ .reg_addr[IQS7211_REG_GRP_ALP] = {
+ [IQS7210A] = 0x37,
+ [IQS7211A] = 0x72,
+ [IQS7211E] = 0x36,
+ },
+ .reg_shift = 8,
+ .reg_width = 1,
+ .label = "sensing mode",
+ },
+ {
+ .name = "azoteq,sense-mode",
+ .reg_addr[IQS7211_REG_GRP_BTN] = {
+ [IQS7210A] = 0x37,
+ },
+ .reg_shift = 0,
+ .reg_width = 2,
+ .val_max = 2,
+ .label = "sensing mode",
+ },
+ {
+ .name = "azoteq,fosc-freq",
+ .reg_addr[IQS7211_REG_GRP_SYS] = {
+ [IQS7210A] = 0x38,
+ [IQS7211A] = 0x52,
+ [IQS7211E] = 0x35,
+ },
+ .reg_shift = 4,
+ .reg_width = 1,
+ .label = "core clock frequency selection",
+ },
+ {
+ .name = "azoteq,fosc-trim",
+ .reg_addr[IQS7211_REG_GRP_SYS] = {
+ [IQS7210A] = 0x38,
+ [IQS7211A] = 0x52,
+ [IQS7211E] = 0x35,
+ },
+ .reg_shift = 0,
+ .reg_width = 4,
+ .label = "core clock frequency trim",
+ },
+ {
+ .name = "azoteq,touch-exit",
+ .reg_addr = {
+ [IQS7211_REG_GRP_TP] = {
+ [IQS7210A] = 0x3B,
+ [IQS7211A] = 0x53,
+ [IQS7211E] = 0x38,
+ },
+ [IQS7211_REG_GRP_BTN] = {
+ [IQS7210A] = 0x3E,
+ },
+ },
+ .reg_shift = 8,
+ .reg_width = 8,
+ .label = "touch exit factor",
+ },
+ {
+ .name = "azoteq,touch-enter",
+ .reg_addr = {
+ [IQS7211_REG_GRP_TP] = {
+ [IQS7210A] = 0x3B,
+ [IQS7211A] = 0x53,
+ [IQS7211E] = 0x38,
+ },
+ [IQS7211_REG_GRP_BTN] = {
+ [IQS7210A] = 0x3E,
+ },
+ },
+ .reg_shift = 0,
+ .reg_width = 8,
+ .label = "touch entrance factor",
+ },
+ {
+ .name = "azoteq,thresh",
+ .reg_addr = {
+ [IQS7211_REG_GRP_BTN] = {
+ [IQS7210A] = 0x3C,
+ },
+ [IQS7211_REG_GRP_ALP] = {
+ [IQS7210A] = 0x3D,
+ [IQS7211A] = 0x54,
+ [IQS7211E] = 0x39,
+ },
+ },
+ .label = "threshold",
+ },
+ {
+ .name = "azoteq,debounce-exit",
+ .reg_addr = {
+ [IQS7211_REG_GRP_BTN] = {
+ [IQS7210A] = 0x3F,
+ },
+ [IQS7211_REG_GRP_ALP] = {
+ [IQS7210A] = 0x40,
+ [IQS7211A] = 0x56,
+ [IQS7211E] = 0x3A,
+ },
+ },
+ .reg_shift = 8,
+ .reg_width = 8,
+ .label = "debounce exit factor",
+ },
+ {
+ .name = "azoteq,debounce-enter",
+ .reg_addr = {
+ [IQS7211_REG_GRP_BTN] = {
+ [IQS7210A] = 0x3F,
+ },
+ [IQS7211_REG_GRP_ALP] = {
+ [IQS7210A] = 0x40,
+ [IQS7211A] = 0x56,
+ [IQS7211E] = 0x3A,
+ },
+ },
+ .reg_shift = 0,
+ .reg_width = 8,
+ .label = "debounce entrance factor",
+ },
+ {
+ .name = "azoteq,conv-frac",
+ .reg_addr = {
+ [IQS7211_REG_GRP_TP] = {
+ [IQS7210A] = 0x48,
+ [IQS7211A] = 0x58,
+ [IQS7211E] = 0x3D,
+ },
+ [IQS7211_REG_GRP_BTN] = {
+ [IQS7210A] = 0x49,
+ },
+ [IQS7211_REG_GRP_ALP] = {
+ [IQS7210A] = 0x4A,
+ [IQS7211A] = 0x59,
+ [IQS7211E] = 0x3E,
+ },
+ },
+ .reg_shift = 8,
+ .reg_width = 8,
+ .label = "conversion frequency fractional divider",
+ },
+ {
+ .name = "azoteq,conv-period",
+ .reg_addr = {
+ [IQS7211_REG_GRP_TP] = {
+ [IQS7210A] = 0x48,
+ [IQS7211A] = 0x58,
+ [IQS7211E] = 0x3D,
+ },
+ [IQS7211_REG_GRP_BTN] = {
+ [IQS7210A] = 0x49,
+ },
+ [IQS7211_REG_GRP_ALP] = {
+ [IQS7210A] = 0x4A,
+ [IQS7211A] = 0x59,
+ [IQS7211E] = 0x3E,
+ },
+ },
+ .reg_shift = 0,
+ .reg_width = 8,
+ .label = "conversion period",
+ },
+ {
+ .name = "azoteq,thresh",
+ .reg_addr[IQS7211_REG_GRP_TP] = {
+ [IQS7210A] = 0x55,
+ [IQS7211A] = 0x67,
+ [IQS7211E] = 0x48,
+ },
+ .reg_shift = 0,
+ .reg_width = 8,
+ .label = "threshold",
+ },
+ {
+ .name = "azoteq,contact-split",
+ .reg_addr[IQS7211_REG_GRP_SYS] = {
+ [IQS7210A] = 0x55,
+ [IQS7211A] = 0x67,
+ [IQS7211E] = 0x48,
+ },
+ .reg_shift = 8,
+ .reg_width = 8,
+ .label = "contact split factor",
+ },
+ {
+ .name = "azoteq,trim-x",
+ .reg_addr[IQS7211_REG_GRP_SYS] = {
+ [IQS7210A] = 0x56,
+ [IQS7211E] = 0x49,
+ },
+ .reg_shift = 0,
+ .reg_width = 8,
+ .label = "horizontal trim width",
+ },
+ {
+ .name = "azoteq,trim-x",
+ .reg_addr[IQS7211_REG_GRP_SYS] = {
+ [IQS7211A] = 0x68,
+ },
+ .label = "horizontal trim width",
+ },
+ {
+ .name = "azoteq,trim-y",
+ .reg_addr[IQS7211_REG_GRP_SYS] = {
+ [IQS7210A] = 0x56,
+ [IQS7211E] = 0x49,
+ },
+ .reg_shift = 8,
+ .reg_width = 8,
+ .label = "vertical trim height",
+ },
+ {
+ .name = "azoteq,trim-y",
+ .reg_addr[IQS7211_REG_GRP_SYS] = {
+ [IQS7211A] = 0x69,
+ },
+ .label = "vertical trim height",
+ },
+ {
+ .name = "azoteq,gesture-max-ms",
+ .reg_key = IQS7211_REG_KEY_TAP,
+ .reg_addr[IQS7211_REG_GRP_TP] = {
+ [IQS7210A] = 0x59,
+ [IQS7211A] = 0x81,
+ [IQS7211E] = 0x4C,
+ },
+ .label = "maximum gesture time",
+ },
+ {
+ .name = "azoteq,gesture-mid-ms",
+ .reg_key = IQS7211_REG_KEY_TAP,
+ .reg_addr[IQS7211_REG_GRP_TP] = {
+ [IQS7211E] = 0x4D,
+ },
+ .label = "repeated gesture time",
+ },
+ {
+ .name = "azoteq,gesture-dist",
+ .reg_key = IQS7211_REG_KEY_TAP,
+ .reg_addr[IQS7211_REG_GRP_TP] = {
+ [IQS7210A] = 0x5A,
+ [IQS7211A] = 0x82,
+ [IQS7211E] = 0x4E,
+ },
+ .label = "gesture distance",
+ },
+ {
+ .name = "azoteq,gesture-dist",
+ .reg_key = IQS7211_REG_KEY_HOLD,
+ .reg_addr[IQS7211_REG_GRP_TP] = {
+ [IQS7210A] = 0x5A,
+ [IQS7211A] = 0x82,
+ [IQS7211E] = 0x4E,
+ },
+ .label = "gesture distance",
+ },
+ {
+ .name = "azoteq,gesture-min-ms",
+ .reg_key = IQS7211_REG_KEY_HOLD,
+ .reg_addr[IQS7211_REG_GRP_TP] = {
+ [IQS7210A] = 0x5B,
+ [IQS7211A] = 0x83,
+ [IQS7211E] = 0x4F,
+ },
+ .label = "minimum gesture time",
+ },
+ {
+ .name = "azoteq,gesture-max-ms",
+ .reg_key = IQS7211_REG_KEY_AXIAL_X,
+ .reg_addr[IQS7211_REG_GRP_TP] = {
+ [IQS7210A] = 0x5C,
+ [IQS7211A] = 0x84,
+ [IQS7211E] = 0x50,
+ },
+ .label = "maximum gesture time",
+ },
+ {
+ .name = "azoteq,gesture-max-ms",
+ .reg_key = IQS7211_REG_KEY_AXIAL_Y,
+ .reg_addr[IQS7211_REG_GRP_TP] = {
+ [IQS7210A] = 0x5C,
+ [IQS7211A] = 0x84,
+ [IQS7211E] = 0x50,
+ },
+ .label = "maximum gesture time",
+ },
+ {
+ .name = "azoteq,gesture-dist",
+ .reg_key = IQS7211_REG_KEY_AXIAL_X,
+ .reg_addr[IQS7211_REG_GRP_TP] = {
+ [IQS7210A] = 0x5D,
+ [IQS7211A] = 0x85,
+ [IQS7211E] = 0x51,
+ },
+ .label = "gesture distance",
+ },
+ {
+ .name = "azoteq,gesture-dist",
+ .reg_key = IQS7211_REG_KEY_AXIAL_Y,
+ .reg_addr[IQS7211_REG_GRP_TP] = {
+ [IQS7210A] = 0x5E,
+ [IQS7211A] = 0x86,
+ [IQS7211E] = 0x52,
+ },
+ .label = "gesture distance",
+ },
+ {
+ .name = "azoteq,gesture-dist-rep",
+ .reg_key = IQS7211_REG_KEY_AXIAL_X,
+ .reg_addr[IQS7211_REG_GRP_TP] = {
+ [IQS7211E] = 0x53,
+ },
+ .label = "repeated gesture distance",
+ },
+ {
+ .name = "azoteq,gesture-dist-rep",
+ .reg_key = IQS7211_REG_KEY_AXIAL_Y,
+ .reg_addr[IQS7211_REG_GRP_TP] = {
+ [IQS7211E] = 0x54,
+ },
+ .label = "repeated gesture distance",
+ },
+ {
+ .name = "azoteq,thresh",
+ .reg_key = IQS7211_REG_KEY_PALM,
+ .reg_addr[IQS7211_REG_GRP_TP] = {
+ [IQS7211E] = 0x55,
+ },
+ .reg_shift = 8,
+ .reg_width = 8,
+ .val_max = 42,
+ .label = "threshold",
+ },
+};
+
+static const u8 iqs7211_gesture_angle[] = {
+ 0x00, 0x01, 0x02, 0x03,
+ 0x04, 0x06, 0x07, 0x08,
+ 0x09, 0x0A, 0x0B, 0x0C,
+ 0x0E, 0x0F, 0x10, 0x11,
+ 0x12, 0x14, 0x15, 0x16,
+ 0x17, 0x19, 0x1A, 0x1B,
+ 0x1C, 0x1E, 0x1F, 0x21,
+ 0x22, 0x23, 0x25, 0x26,
+ 0x28, 0x2A, 0x2B, 0x2D,
+ 0x2E, 0x30, 0x32, 0x34,
+ 0x36, 0x38, 0x3A, 0x3C,
+ 0x3E, 0x40, 0x42, 0x45,
+ 0x47, 0x4A, 0x4C, 0x4F,
+ 0x52, 0x55, 0x58, 0x5B,
+ 0x5F, 0x63, 0x66, 0x6B,
+ 0x6F, 0x73, 0x78, 0x7E,
+ 0x83, 0x89, 0x90, 0x97,
+ 0x9E, 0xA7, 0xB0, 0xBA,
+ 0xC5, 0xD1, 0xDF, 0xEF,
+};
+
+struct iqs7211_ver_info {
+ __le16 prod_num;
+ __le16 major;
+ __le16 minor;
+ __le32 patch;
+} __packed;
+
+struct iqs7211_touch_data {
+ __le16 abs_x;
+ __le16 abs_y;
+ __le16 pressure;
+ __le16 area;
+} __packed;
+
+struct iqs7211_tp_config {
+ u8 tp_settings;
+ u8 total_rx;
+ u8 total_tx;
+ u8 num_contacts;
+ __le16 max_x;
+ __le16 max_y;
+} __packed;
+
+struct iqs7211_private {
+ const struct iqs7211_dev_desc *dev_desc;
+ struct gpio_desc *reset_gpio;
+ struct gpio_desc *irq_gpio;
+ struct i2c_client *client;
+ struct input_dev *tp_idev;
+ struct input_dev *kp_idev;
+ struct iqs7211_ver_info ver_info;
+ struct iqs7211_tp_config tp_config;
+ struct touchscreen_properties prop;
+ struct list_head reg_field_head;
+ enum iqs7211_comms_mode comms_init;
+ enum iqs7211_comms_mode comms_mode;
+ unsigned int num_contacts;
+ unsigned int kp_code[ARRAY_SIZE(iqs7211e_kp_events)];
+ u8 rx_tx_map[IQS7211_MAX_CTX + 1];
+ u8 cycle_alloc[2][33];
+ u8 exp_file[2];
+ u16 event_mask;
+ u16 ati_start;
+ u16 gesture_cache;
+};
+
+static int iqs7211_irq_poll(struct iqs7211_private *iqs7211, u64 timeout_us)
+{
+ int error, val;
+
+ error = readx_poll_timeout(gpiod_get_value_cansleep, iqs7211->irq_gpio,
+ val, val, IQS7211_COMMS_SLEEP_US, timeout_us);
+
+ return val < 0 ? val : error;
+}
+
+static int iqs7211_hard_reset(struct iqs7211_private *iqs7211)
+{
+ if (!iqs7211->reset_gpio)
+ return 0;
+
+ gpiod_set_value_cansleep(iqs7211->reset_gpio, 1);
+
+ /*
+ * The following delay ensures the shared RDY/MCLR pin is sampled in
+ * between periodic assertions by the device and assumes the default
+ * communication timeout has not been overwritten in OTP memory.
+ */
+ if (iqs7211->reset_gpio == iqs7211->irq_gpio)
+ msleep(IQS7211_RESET_TIMEOUT_MS);
+ else
+ usleep_range(1000, 1100);
+
+ gpiod_set_value_cansleep(iqs7211->reset_gpio, 0);
+ if (iqs7211->reset_gpio == iqs7211->irq_gpio)
+ iqs7211_irq_wait();
+
+ return iqs7211_irq_poll(iqs7211, IQS7211_START_TIMEOUT_US);
+}
+
+static int iqs7211_force_comms(struct iqs7211_private *iqs7211)
+{
+ u8 msg_buf[] = { 0xFF, };
+ int ret;
+
+ switch (iqs7211->comms_mode) {
+ case IQS7211_COMMS_MODE_WAIT:
+ return iqs7211_irq_poll(iqs7211, IQS7211_START_TIMEOUT_US);
+
+ case IQS7211_COMMS_MODE_FREE:
+ return 0;
+
+ case IQS7211_COMMS_MODE_FORCE:
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ /*
+ * The device cannot communicate until it asserts its interrupt (RDY)
+ * pin. Attempts to do so while RDY is deasserted return an ACK; how-
+ * ever all write data is ignored, and all read data returns 0xEE.
+ *
+ * Unsolicited communication must be preceded by a special force com-
+ * munication command, after which the device eventually asserts its
+ * RDY pin and agrees to communicate.
+ *
+ * Regardless of whether communication is forced or the result of an
+ * interrupt, the device automatically deasserts its RDY pin once it
+ * detects an I2C stop condition, or a timeout expires.
+ */
+ ret = gpiod_get_value_cansleep(iqs7211->irq_gpio);
+ if (ret < 0)
+ return ret;
+ else if (ret > 0)
+ return 0;
+
+ ret = i2c_master_send(iqs7211->client, msg_buf, sizeof(msg_buf));
+ if (ret < (int)sizeof(msg_buf)) {
+ if (ret >= 0)
+ ret = -EIO;
+
+ msleep(IQS7211_COMMS_RETRY_MS);
+ return ret;
+ }
+
+ iqs7211_irq_wait();
+
+ return iqs7211_irq_poll(iqs7211, IQS7211_COMMS_TIMEOUT_US);
+}
+
+static int iqs7211_read_burst(struct iqs7211_private *iqs7211,
+ u8 reg, void *val, u16 val_len)
+{
+ int ret, i;
+ struct i2c_client *client = iqs7211->client;
+ struct i2c_msg msg[] = {
+ {
+ .addr = client->addr,
+ .flags = 0,
+ .len = sizeof(reg),
+ .buf = ®,
+ },
+ {
+ .addr = client->addr,
+ .flags = I2C_M_RD,
+ .len = val_len,
+ .buf = (u8 *)val,
+ },
+ };
+
+ /*
+ * The following loop protects against an edge case in which the RDY
+ * pin is automatically deasserted just as the read is initiated. In
+ * that case, the read must be retried using forced communication.
+ */
+ for (i = 0; i < IQS7211_NUM_RETRIES; i++) {
+ ret = iqs7211_force_comms(iqs7211);
+ if (ret < 0)
+ continue;
+
+ ret = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg));
+ if (ret < (int)ARRAY_SIZE(msg)) {
+ if (ret >= 0)
+ ret = -EIO;
+
+ msleep(IQS7211_COMMS_RETRY_MS);
+ continue;
+ }
+
+ if (get_unaligned_le16(msg[1].buf) == IQS7211_COMMS_ERROR) {
+ ret = -ENODATA;
+ continue;
+ }
+
+ ret = 0;
+ break;
+ }
+
+ iqs7211_irq_wait();
+
+ if (ret < 0)
+ dev_err(&client->dev,
+ "Failed to read from address 0x%02X: %d\n", reg, ret);
+
+ return ret;
+}
+
+static int iqs7211_read_word(struct iqs7211_private *iqs7211, u8 reg, u16 *val)
+{
+ __le16 val_buf;
+ int error;
+
+ error = iqs7211_read_burst(iqs7211, reg, &val_buf, sizeof(val_buf));
+ if (error)
+ return error;
+
+ *val = le16_to_cpu(val_buf);
+
+ return 0;
+}
+
+static int iqs7211_write_burst(struct iqs7211_private *iqs7211,
+ u8 reg, const void *val, u16 val_len)
+{
+ int msg_len = sizeof(reg) + val_len;
+ int ret, i;
+ struct i2c_client *client = iqs7211->client;
+ u8 *msg_buf;
+
+ msg_buf = kzalloc(msg_len, GFP_KERNEL);
+ if (!msg_buf)
+ return -ENOMEM;
+
+ *msg_buf = reg;
+ memcpy(msg_buf + sizeof(reg), val, val_len);
+
+ /*
+ * The following loop protects against an edge case in which the RDY
+ * pin is automatically asserted just before the force communication
+ * command is sent.
+ *
+ * In that case, the subsequent I2C stop condition tricks the device
+ * into preemptively deasserting the RDY pin and the command must be
+ * sent again.
+ */
+ for (i = 0; i < IQS7211_NUM_RETRIES; i++) {
+ ret = iqs7211_force_comms(iqs7211);
+ if (ret < 0)
+ continue;
+
+ ret = i2c_master_send(client, msg_buf, msg_len);
+ if (ret < msg_len) {
+ if (ret >= 0)
+ ret = -EIO;
+
+ msleep(IQS7211_COMMS_RETRY_MS);
+ continue;
+ }
+
+ ret = 0;
+ break;
+ }
+
+ kfree(msg_buf);
+
+ iqs7211_irq_wait();
+
+ if (ret < 0)
+ dev_err(&client->dev,
+ "Failed to write to address 0x%02X: %d\n", reg, ret);
+
+ return ret;
+}
+
+static int iqs7211_write_word(struct iqs7211_private *iqs7211, u8 reg, u16 val)
+{
+ __le16 val_buf = cpu_to_le16(val);
+
+ return iqs7211_write_burst(iqs7211, reg, &val_buf, sizeof(val_buf));
+}
+
+static int iqs7211_start_comms(struct iqs7211_private *iqs7211)
+{
+ const struct iqs7211_dev_desc *dev_desc = iqs7211->dev_desc;
+ struct i2c_client *client = iqs7211->client;
+ bool forced_comms;
+ unsigned int val;
+ u16 comms_setup;
+ int error;
+
+ /*
+ * Until forced communication can be enabled, the host must wait for a
+ * communication window each time it intends to elicit a response from
+ * the device.
+ *
+ * Forced communication is not necessary, however, if the host adapter
+ * can support clock stretching. In that case, the device freely clock
+ * stretches until all pending conversions are complete.
+ */
+ forced_comms = device_property_present(&client->dev,
+ "azoteq,forced-comms");
+
+ error = device_property_read_u32(&client->dev,
+ "azoteq,forced-comms-default", &val);
+ if (error == -EINVAL) {
+ iqs7211->comms_init = IQS7211_COMMS_MODE_WAIT;
+ } else if (error) {
+ dev_err(&client->dev,
+ "Failed to read default communication mode: %d\n",
+ error);
+ return error;
+ } else if (val) {
+ iqs7211->comms_init = forced_comms ? IQS7211_COMMS_MODE_FORCE
+ : IQS7211_COMMS_MODE_WAIT;
+ } else {
+ iqs7211->comms_init = forced_comms ? IQS7211_COMMS_MODE_WAIT
+ : IQS7211_COMMS_MODE_FREE;
+ }
+
+ iqs7211->comms_mode = iqs7211->comms_init;
+
+ error = iqs7211_hard_reset(iqs7211);
+ if (error) {
+ dev_err(&client->dev, "Failed to reset device: %d\n", error);
+ return error;
+ }
+
+ error = iqs7211_read_burst(iqs7211, IQS7211_PROD_NUM,
+ &iqs7211->ver_info,
+ sizeof(iqs7211->ver_info));
+ if (error)
+ return error;
+
+ if (le16_to_cpu(iqs7211->ver_info.prod_num) != dev_desc->prod_num) {
+ dev_err(&client->dev, "Invalid product number: %u\n",
+ le16_to_cpu(iqs7211->ver_info.prod_num));
+ return -EINVAL;
+ }
+
+ error = iqs7211_read_word(iqs7211, dev_desc->sys_ctrl + 1,
+ &comms_setup);
+ if (error)
+ return error;
+
+ if (forced_comms)
+ comms_setup |= dev_desc->comms_req;
+ else
+ comms_setup &= ~dev_desc->comms_req;
+
+ error = iqs7211_write_word(iqs7211, dev_desc->sys_ctrl + 1,
+ comms_setup | dev_desc->comms_end);
+ if (error)
+ return error;
+
+ if (forced_comms)
+ iqs7211->comms_mode = IQS7211_COMMS_MODE_FORCE;
+ else
+ iqs7211->comms_mode = IQS7211_COMMS_MODE_FREE;
+
+ error = iqs7211_read_burst(iqs7211, dev_desc->exp_file,
+ iqs7211->exp_file,
+ sizeof(iqs7211->exp_file));
+ if (error)
+ return error;
+
+ error = iqs7211_read_burst(iqs7211, dev_desc->tp_config,
+ &iqs7211->tp_config,
+ sizeof(iqs7211->tp_config));
+ if (error)
+ return error;
+
+ error = iqs7211_write_word(iqs7211, dev_desc->sys_ctrl + 1,
+ comms_setup);
+ if (error)
+ return error;
+
+ iqs7211->event_mask = comms_setup & ~IQS7211_EVENT_MASK_ALL;
+ iqs7211->event_mask |= (IQS7211_EVENT_MASK_ATI | IQS7211_EVENT_MODE);
+
+ return 0;
+}
+
+static int iqs7211_init_device(struct iqs7211_private *iqs7211)
+{
+ const struct iqs7211_dev_desc *dev_desc = iqs7211->dev_desc;
+ struct iqs7211_reg_field_desc *reg_field;
+ __le16 sys_ctrl[] = {
+ cpu_to_le16(dev_desc->ack_reset),
+ cpu_to_le16(iqs7211->event_mask),
+ };
+ int error, i;
+
+ /*
+ * Acknowledge reset before writing any registers in case the device
+ * suffers a spurious reset during initialization. The communication
+ * mode is configured at this time as well.
+ */
+ error = iqs7211_write_burst(iqs7211, dev_desc->sys_ctrl, sys_ctrl,
+ sizeof(sys_ctrl));
+ if (error)
+ return error;
+
+ if (iqs7211->event_mask & dev_desc->comms_req)
+ iqs7211->comms_mode = IQS7211_COMMS_MODE_FORCE;
+ else
+ iqs7211->comms_mode = IQS7211_COMMS_MODE_FREE;
+
+ /*
+ * Take advantage of the stop-bit disable function, if available, to
+ * save the trouble of having to reopen a communication window after
+ * each read or write.
+ */
+ error = iqs7211_write_word(iqs7211, dev_desc->sys_ctrl + 1,
+ iqs7211->event_mask | dev_desc->comms_end);
+ if (error)
+ return error;
+
+ list_for_each_entry(reg_field, &iqs7211->reg_field_head, list) {
+ u16 new_val = reg_field->val;
+
+ if (reg_field->mask < U16_MAX) {
+ u16 old_val;
+
+ error = iqs7211_read_word(iqs7211, reg_field->addr,
+ &old_val);
+ if (error)
+ return error;
+
+ new_val = old_val & ~reg_field->mask;
+ new_val |= reg_field->val;
+
+ if (new_val == old_val)
+ continue;
+ }
+
+ error = iqs7211_write_word(iqs7211, reg_field->addr, new_val);
+ if (error)
+ return error;
+ }
+
+ error = iqs7211_write_burst(iqs7211, dev_desc->tp_config,
+ &iqs7211->tp_config,
+ sizeof(iqs7211->tp_config));
+ if (error)
+ return error;
+
+ if (**iqs7211->cycle_alloc) {
+ error = iqs7211_write_burst(iqs7211, dev_desc->rx_tx_map,
+ &iqs7211->rx_tx_map,
+ dev_desc->num_ctx);
+ if (error)
+ return error;
+
+ for (i = 0; i < sizeof(dev_desc->cycle_limit); i++) {
+ error = iqs7211_write_burst(iqs7211,
+ dev_desc->cycle_alloc[i],
+ iqs7211->cycle_alloc[i],
+ dev_desc->cycle_limit[i] * 3);
+ if (error)
+ return error;
+ }
+ }
+
+ *sys_ctrl = cpu_to_le16(iqs7211->ati_start);
+
+ return iqs7211_write_burst(iqs7211, dev_desc->sys_ctrl, sys_ctrl,
+ sizeof(sys_ctrl));
+}
+
+static int iqs7211_add_field(struct iqs7211_private *iqs7211,
+ struct iqs7211_reg_field_desc new_field)
+{
+ struct i2c_client *client = iqs7211->client;
+ struct iqs7211_reg_field_desc *reg_field;
+
+ if (!new_field.addr)
+ return 0;
+
+ list_for_each_entry(reg_field, &iqs7211->reg_field_head, list) {
+ if (reg_field->addr != new_field.addr)
+ continue;
+
+ reg_field->mask |= new_field.mask;
+ reg_field->val |= new_field.val;
+ return 0;
+ }
+
+ reg_field = devm_kzalloc(&client->dev, sizeof(*reg_field), GFP_KERNEL);
+ if (!reg_field)
+ return -ENOMEM;
+
+ reg_field->addr = new_field.addr;
+ reg_field->mask = new_field.mask;
+ reg_field->val = new_field.val;
+
+ list_add(®_field->list, &iqs7211->reg_field_head);
+
+ return 0;
+}
+
+static int iqs7211_parse_props(struct iqs7211_private *iqs7211,
+ struct fwnode_handle *reg_grp_node,
+ enum iqs7211_reg_grp_id reg_grp,
+ enum iqs7211_reg_key_id reg_key)
+{
+ struct i2c_client *client = iqs7211->client;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(iqs7211_props); i++) {
+ const char *name = iqs7211_props[i].name;
+ u8 reg_addr = iqs7211_props[i].reg_addr[reg_grp]
+ [iqs7211->dev_desc -
+ iqs7211_devs];
+ int reg_shift = iqs7211_props[i].reg_shift;
+ int reg_width = iqs7211_props[i].reg_width ? : 16;
+ int val_pitch = iqs7211_props[i].val_pitch ? : 1;
+ int val_min = iqs7211_props[i].val_min;
+ int val_max = iqs7211_props[i].val_max;
+ const char *label = iqs7211_props[i].label ? : name;
+ struct iqs7211_reg_field_desc reg_field;
+ unsigned int val;
+ int error;
+
+ if (iqs7211_props[i].reg_key != reg_key)
+ continue;
+
+ if (!reg_addr)
+ continue;
+
+ error = fwnode_property_read_u32(reg_grp_node, name, &val);
+ if (error == -EINVAL) {
+ continue;
+ } else if (error) {
+ dev_err(&client->dev, "Failed to read %s %s: %d\n",
+ fwnode_get_name(reg_grp_node), label, error);
+ return error;
+ }
+
+ if (!val_max)
+ val_max = GENMASK(reg_width - 1, 0) * val_pitch;
+
+ if (val < val_min || val > val_max) {
+ dev_err(&client->dev, "Invalid %s: %u\n", label, val);
+ return -EINVAL;
+ }
+
+ reg_field.addr = reg_addr;
+ reg_field.mask = GENMASK(reg_shift + reg_width - 1, reg_shift);
+ reg_field.val = val / val_pitch << reg_shift;
+
+ error = iqs7211_add_field(iqs7211, reg_field);
+ if (error)
+ return error;
+ }
+
+ return 0;
+}
+
+static int iqs7211_parse_event(struct iqs7211_private *iqs7211,
+ struct fwnode_handle *event_node,
+ enum iqs7211_reg_grp_id reg_grp,
+ enum iqs7211_reg_key_id reg_key,
+ unsigned int *event_code)
+{
+ const struct iqs7211_dev_desc *dev_desc = iqs7211->dev_desc;
+ struct i2c_client *client = iqs7211->client;
+ struct iqs7211_reg_field_desc reg_field;
+ unsigned int val;
+ int error;
+
+ error = iqs7211_parse_props(iqs7211, event_node, reg_grp, reg_key);
+ if (error)
+ return error;
+
+ if (reg_key == IQS7211_REG_KEY_AXIAL_X ||
+ reg_key == IQS7211_REG_KEY_AXIAL_Y) {
+ error = fwnode_property_read_u32(event_node,
+ "azoteq,gesture-angle", &val);
+ if (!error) {
+ if (val >= ARRAY_SIZE(iqs7211_gesture_angle)) {
+ dev_err(&client->dev,
+ "Invalid %s gesture angle: %u\n",
+ fwnode_get_name(event_node), val);
+ return -EINVAL;
+ }
+
+ reg_field.addr = dev_desc->gesture_angle;
+ reg_field.mask = U8_MAX;
+ reg_field.val = iqs7211_gesture_angle[val];
+
+ error = iqs7211_add_field(iqs7211, reg_field);
+ if (error)
+ return error;
+ } else if (error != -EINVAL) {
+ dev_err(&client->dev,
+ "Failed to read %s gesture angle: %d\n",
+ fwnode_get_name(event_node), error);
+ return error;
+ }
+ }
+
+ error = fwnode_property_read_u32(event_node, "linux,code", event_code);
+ if (error == -EINVAL)
+ error = 0;
+ else if (error)
+ dev_err(&client->dev, "Failed to read %s code: %d\n",
+ fwnode_get_name(event_node), error);
+
+ return error;
+}
+
+static int iqs7211_parse_cycles(struct iqs7211_private *iqs7211,
+ struct fwnode_handle *tp_node)
+{
+ const struct iqs7211_dev_desc *dev_desc = iqs7211->dev_desc;
+ struct i2c_client *client = iqs7211->client;
+ int num_cycles = dev_desc->cycle_limit[0] + dev_desc->cycle_limit[1];
+ int error, count, i, j, k, cycle_start;
+ unsigned int cycle_alloc[IQS7211_MAX_CYCLES][2];
+ u8 total_rx = iqs7211->tp_config.total_rx;
+ u8 total_tx = iqs7211->tp_config.total_tx;
+
+ for (i = 0; i < IQS7211_MAX_CYCLES * 2; i++)
+ *(cycle_alloc[0] + i) = U8_MAX;
+
+ count = fwnode_property_count_u32(tp_node, "azoteq,channel-select");
+ if (count == -EINVAL) {
+ /*
+ * Assign each sensing cycle's slots (0 and 1) to a channel,
+ * defined as the intersection between two CRx and CTx pins.
+ * A channel assignment of 255 means the slot is unused.
+ */
+ for (i = 0, cycle_start = 0; i < total_tx; i++) {
+ int cycle_stop = 0;
+
+ for (j = 0; j < total_rx; j++) {
+ /*
+ * Channels formed by CRx0-3 and CRx4-7 are
+ * bound to slots 0 and 1, respectively.
+ */
+ int slot = iqs7211->rx_tx_map[j] < 4 ? 0 : 1;
+ int chan = i * total_rx + j;
+
+ for (k = cycle_start; k < num_cycles; k++) {
+ if (cycle_alloc[k][slot] < U8_MAX)
+ continue;
+
+ cycle_alloc[k][slot] = chan;
+ break;
+ }
+
+ if (k < num_cycles) {
+ cycle_stop = max(k, cycle_stop);
+ continue;
+ }
+
+ dev_err(&client->dev,
+ "Insufficient number of cycles\n");
+ return -EINVAL;
+ }
+
+ /*
+ * Sensing cycles cannot straddle more than one CTx
+ * pin. As such, the next row's starting cycle must
+ * be greater than the previous row's highest cycle.
+ */
+ cycle_start = cycle_stop + 1;
+ }
+ } else if (count < 0) {
+ dev_err(&client->dev, "Failed to count channels: %d\n", count);
+ return count;
+ } else if (count > num_cycles * 2) {
+ dev_err(&client->dev, "Insufficient number of cycles\n");
+ return -EINVAL;
+ } else if (count > 0) {
+ error = fwnode_property_read_u32_array(tp_node,
+ "azoteq,channel-select",
+ cycle_alloc[0], count);
+ if (error) {
+ dev_err(&client->dev, "Failed to read channels: %d\n",
+ error);
+ return error;
+ }
+
+ for (i = 0; i < count; i++) {
+ int chan = *(cycle_alloc[0] + i);
+
+ if (chan == U8_MAX)
+ continue;
+
+ if (chan >= total_rx * total_tx) {
+ dev_err(&client->dev, "Invalid channel: %d\n",
+ chan);
+ return -EINVAL;
+ }
+
+ for (j = 0; j < count; j++) {
+ if (j == i || *(cycle_alloc[0] + j) != chan)
+ continue;
+
+ dev_err(&client->dev, "Duplicate channel: %d\n",
+ chan);
+ return -EINVAL;
+ }
+ }
+ }
+
+ /*
+ * Once the raw channel assignments have been derived, they must be
+ * packed according to the device's register map.
+ */
+ for (i = 0, cycle_start = 0; i < sizeof(dev_desc->cycle_limit); i++) {
+ int offs = 0;
+
+ for (j = cycle_start;
+ j < cycle_start + dev_desc->cycle_limit[i]; j++) {
+ iqs7211->cycle_alloc[i][offs++] = 0x05;
+ iqs7211->cycle_alloc[i][offs++] = cycle_alloc[j][0];
+ iqs7211->cycle_alloc[i][offs++] = cycle_alloc[j][1];
+ }
+
+ cycle_start += dev_desc->cycle_limit[i];
+ }
+
+ return 0;
+}
+
+static int iqs7211_parse_tp(struct iqs7211_private *iqs7211,
+ struct fwnode_handle *tp_node)
+{
+ const struct iqs7211_dev_desc *dev_desc = iqs7211->dev_desc;
+ struct i2c_client *client = iqs7211->client;
+ unsigned int pins[IQS7211_MAX_CTX];
+ int error, count, i, j;
+
+ count = fwnode_property_count_u32(tp_node, "azoteq,rx-enable");
+ if (count == -EINVAL) {
+ return 0;
+ } else if (count < 0) {
+ dev_err(&client->dev, "Failed to count CRx pins: %d\n", count);
+ return count;
+ } else if (count > IQS7211_NUM_CRX) {
+ dev_err(&client->dev, "Invalid number of CRx pins\n");
+ return -EINVAL;
+ }
+
+ error = fwnode_property_read_u32_array(tp_node, "azoteq,rx-enable",
+ pins, count);
+ if (error) {
+ dev_err(&client->dev, "Failed to read CRx pins: %d\n", error);
+ return error;
+ }
+
+ for (i = 0; i < count; i++) {
+ if (pins[i] >= IQS7211_NUM_CRX) {
+ dev_err(&client->dev, "Invalid CRx pin: %u\n", pins[i]);
+ return -EINVAL;
+ }
+
+ iqs7211->rx_tx_map[i] = pins[i];
+ }
+
+ iqs7211->tp_config.total_rx = count;
+
+ count = fwnode_property_count_u32(tp_node, "azoteq,tx-enable");
+ if (count < 0) {
+ dev_err(&client->dev, "Failed to count CTx pins: %d\n", count);
+ return count;
+ } else if (count > dev_desc->num_ctx) {
+ dev_err(&client->dev, "Invalid number of CTx pins\n");
+ return -EINVAL;
+ }
+
+ error = fwnode_property_read_u32_array(tp_node, "azoteq,tx-enable",
+ pins, count);
+ if (error) {
+ dev_err(&client->dev, "Failed to read CTx pins: %d\n", error);
+ return error;
+ }
+
+ for (i = 0; i < count; i++) {
+ if (pins[i] >= dev_desc->num_ctx) {
+ dev_err(&client->dev, "Invalid CTx pin: %u\n", pins[i]);
+ return -EINVAL;
+ }
+
+ for (j = 0; j < iqs7211->tp_config.total_rx; j++) {
+ if (iqs7211->rx_tx_map[j] != pins[i])
+ continue;
+
+ dev_err(&client->dev, "Conflicting CTx pin: %u\n",
+ pins[i]);
+ return -EINVAL;
+ }
+
+ iqs7211->rx_tx_map[iqs7211->tp_config.total_rx + i] = pins[i];
+ }
+
+ iqs7211->tp_config.total_tx = count;
+
+ return iqs7211_parse_cycles(iqs7211, tp_node);
+}
+
+static int iqs7211_parse_alp(struct iqs7211_private *iqs7211,
+ struct fwnode_handle *alp_node)
+{
+ const struct iqs7211_dev_desc *dev_desc = iqs7211->dev_desc;
+ struct i2c_client *client = iqs7211->client;
+ struct iqs7211_reg_field_desc reg_field;
+ int error, count, i;
+
+ count = fwnode_property_count_u32(alp_node, "azoteq,rx-enable");
+ if (count < 0 && count != -EINVAL) {
+ dev_err(&client->dev, "Failed to count CRx pins: %d\n", count);
+ return count;
+ } else if (count > IQS7211_NUM_CRX) {
+ dev_err(&client->dev, "Invalid number of CRx pins\n");
+ return -EINVAL;
+ } else if (count >= 0) {
+ unsigned int pins[IQS7211_NUM_CRX];
+
+ error = fwnode_property_read_u32_array(alp_node,
+ "azoteq,rx-enable",
+ pins, count);
+ if (error) {
+ dev_err(&client->dev, "Failed to read CRx pins: %d\n",
+ error);
+ return error;
+ }
+
+ reg_field.addr = dev_desc->alp_config;
+ reg_field.mask = GENMASK(IQS7211_NUM_CRX - 1, 0);
+ reg_field.val = 0;
+
+ for (i = 0; i < count; i++) {
+ if (pins[i] < dev_desc->min_crx_alp ||
+ pins[i] >= IQS7211_NUM_CRX) {
+ dev_err(&client->dev, "Invalid CRx pin: %u\n",
+ pins[i]);
+ return -EINVAL;
+ }
+
+ reg_field.val |= BIT(pins[i]);
+ }
+
+ error = iqs7211_add_field(iqs7211, reg_field);
+ if (error)
+ return error;
+ }
+
+ count = fwnode_property_count_u32(alp_node, "azoteq,tx-enable");
+ if (count < 0 && count != -EINVAL) {
+ dev_err(&client->dev, "Failed to count CTx pins: %d\n", count);
+ return count;
+ } else if (count > dev_desc->num_ctx) {
+ dev_err(&client->dev, "Invalid number of CTx pins\n");
+ return -EINVAL;
+ } else if (count >= 0) {
+ unsigned int pins[IQS7211_MAX_CTX];
+
+ error = fwnode_property_read_u32_array(alp_node,
+ "azoteq,tx-enable",
+ pins, count);
+ if (error) {
+ dev_err(&client->dev, "Failed to read CTx pins: %d\n",
+ error);
+ return error;
+ }
+
+ reg_field.addr = dev_desc->alp_config + 1;
+ reg_field.mask = GENMASK(dev_desc->num_ctx - 1, 0);
+ reg_field.val = 0;
+
+ for (i = 0; i < count; i++) {
+ if (pins[i] >= dev_desc->num_ctx) {
+ dev_err(&client->dev, "Invalid CTx pin: %u\n",
+ pins[i]);
+ return -EINVAL;
+ }
+
+ reg_field.val |= BIT(pins[i]);
+ }
+
+ error = iqs7211_add_field(iqs7211, reg_field);
+ if (error)
+ return error;
+ }
+
+ return 0;
+}
+
+static int (*iqs7211_parse_extra[IQS7211_NUM_REG_GRPS])
+ (struct iqs7211_private *iqs7211,
+ struct fwnode_handle *reg_grp_node) = {
+ [IQS7211_REG_GRP_TP] = iqs7211_parse_tp,
+ [IQS7211_REG_GRP_ALP] = iqs7211_parse_alp,
+};
+
+static int iqs7211_parse_reg_grp(struct iqs7211_private *iqs7211,
+ struct fwnode_handle *reg_grp_node,
+ enum iqs7211_reg_grp_id reg_grp)
+{
+ const struct iqs7211_dev_desc *dev_desc = iqs7211->dev_desc;
+ struct iqs7211_reg_field_desc reg_field;
+ int error, i;
+
+ error = iqs7211_parse_props(iqs7211, reg_grp_node, reg_grp,
+ IQS7211_REG_KEY_NONE);
+ if (error)
+ return error;
+
+ if (iqs7211_parse_extra[reg_grp]) {
+ error = iqs7211_parse_extra[reg_grp](iqs7211, reg_grp_node);
+ if (error)
+ return error;
+ }
+
+ iqs7211->ati_start |= dev_desc->ati_start[reg_grp];
+
+ reg_field.addr = dev_desc->kp_enable[reg_grp];
+ reg_field.mask = 0;
+ reg_field.val = 0;
+
+ for (i = 0; i < dev_desc->num_kp_events; i++) {
+ const char *event_name = dev_desc->kp_events[i].name;
+ struct fwnode_handle *event_node;
+
+ if (dev_desc->kp_events[i].reg_grp != reg_grp)
+ continue;
+
+ reg_field.mask |= dev_desc->kp_events[i].enable;
+
+ if (event_name)
+ event_node = fwnode_get_named_child_node(reg_grp_node,
+ event_name);
+ else
+ event_node = fwnode_handle_get(reg_grp_node);
+
+ if (!event_node)
+ continue;
+
+ error = iqs7211_parse_event(iqs7211, event_node,
+ dev_desc->kp_events[i].reg_grp,
+ dev_desc->kp_events[i].reg_key,
+ &iqs7211->kp_code[i]);
+ fwnode_handle_put(event_node);
+ if (error)
+ return error;
+
+ reg_field.val |= dev_desc->kp_events[i].enable;
+
+ iqs7211->event_mask |= iqs7211_reg_grp_masks[reg_grp];
+ }
+
+ return iqs7211_add_field(iqs7211, reg_field);
+}
+
+static int iqs7211_register_kp(struct iqs7211_private *iqs7211)
+{
+ const struct iqs7211_dev_desc *dev_desc = iqs7211->dev_desc;
+ struct input_dev *kp_idev = iqs7211->kp_idev;
+ struct i2c_client *client = iqs7211->client;
+ int error, i;
+
+ for (i = 0; i < dev_desc->num_kp_events; i++)
+ if (iqs7211->kp_code[i])
+ break;
+
+ if (i == dev_desc->num_kp_events)
+ return 0;
+
+ kp_idev = devm_input_allocate_device(&client->dev);
+ if (!kp_idev)
+ return -ENOMEM;
+
+ iqs7211->kp_idev = kp_idev;
+
+ kp_idev->name = dev_desc->kp_name;
+ kp_idev->id.bustype = BUS_I2C;
+
+ for (i = 0; i < dev_desc->num_kp_events; i++)
+ if (iqs7211->kp_code[i])
+ input_set_capability(iqs7211->kp_idev, EV_KEY,
+ iqs7211->kp_code[i]);
+
+ error = input_register_device(kp_idev);
+ if (error)
+ dev_err(&client->dev, "Failed to register %s: %d\n",
+ kp_idev->name, error);
+
+ return error;
+}
+
+static int iqs7211_register_tp(struct iqs7211_private *iqs7211)
+{
+ const struct iqs7211_dev_desc *dev_desc = iqs7211->dev_desc;
+ struct touchscreen_properties *prop = &iqs7211->prop;
+ struct input_dev *tp_idev = iqs7211->tp_idev;
+ struct i2c_client *client = iqs7211->client;
+ int error;
+
+ error = device_property_read_u32(&client->dev, "azoteq,num-contacts",
+ &iqs7211->num_contacts);
+ if (error == -EINVAL) {
+ return 0;
+ } else if (error) {
+ dev_err(&client->dev, "Failed to read number of contacts: %d\n",
+ error);
+ return error;
+ } else if (iqs7211->num_contacts > IQS7211_MAX_CONTACTS) {
+ dev_err(&client->dev, "Invalid number of contacts: %u\n",
+ iqs7211->num_contacts);
+ return -EINVAL;
+ }
+
+ iqs7211->tp_config.num_contacts = iqs7211->num_contacts ? : 1;
+
+ if (!iqs7211->num_contacts)
+ return 0;
+
+ iqs7211->event_mask |= IQS7211_EVENT_MASK_MOVE;
+
+ tp_idev = devm_input_allocate_device(&client->dev);
+ if (!tp_idev)
+ return -ENOMEM;
+
+ iqs7211->tp_idev = tp_idev;
+
+ tp_idev->name = dev_desc->tp_name;
+ tp_idev->id.bustype = BUS_I2C;
+
+ input_set_abs_params(tp_idev, ABS_MT_POSITION_X,
+ 0, le16_to_cpu(iqs7211->tp_config.max_x), 0, 0);
+
+ input_set_abs_params(tp_idev, ABS_MT_POSITION_Y,
+ 0, le16_to_cpu(iqs7211->tp_config.max_y), 0, 0);
+
+ input_set_abs_params(tp_idev, ABS_MT_PRESSURE, 0, U16_MAX, 0, 0);
+
+ touchscreen_parse_properties(tp_idev, true, prop);
+
+ /*
+ * The device reserves 0xFFFF for coordinates that correspond to slots
+ * which are not in a state of touch.
+ */
+ if (prop->max_x >= U16_MAX || prop->max_y >= U16_MAX) {
+ dev_err(&client->dev, "Invalid trackpad size: %u*%u\n",
+ prop->max_x, prop->max_y);
+ return -EINVAL;
+ }
+
+ iqs7211->tp_config.max_x = cpu_to_le16(prop->max_x);
+ iqs7211->tp_config.max_y = cpu_to_le16(prop->max_y);
+
+ error = input_mt_init_slots(tp_idev, iqs7211->num_contacts,
+ INPUT_MT_DIRECT);
+ if (error) {
+ dev_err(&client->dev, "Failed to initialize slots: %d\n",
+ error);
+ return error;
+ }
+
+ error = input_register_device(tp_idev);
+ if (error)
+ dev_err(&client->dev, "Failed to register %s: %d\n",
+ tp_idev->name, error);
+
+ return error;
+}
+
+static int iqs7211_report(struct iqs7211_private *iqs7211)
+{
+ const struct iqs7211_dev_desc *dev_desc = iqs7211->dev_desc;
+ struct i2c_client *client = iqs7211->client;
+ struct iqs7211_touch_data *touch_data;
+ u16 info_flags, charge_mode, gesture_flags;
+ __le16 status[12];
+ int error, i;
+
+ error = iqs7211_read_burst(iqs7211, dev_desc->sys_stat, status,
+ dev_desc->contact_offs * sizeof(__le16) +
+ iqs7211->num_contacts * sizeof(*touch_data));
+ if (error)
+ return error;
+
+ info_flags = le16_to_cpu(status[dev_desc->info_offs]);
+
+ if (info_flags & dev_desc->show_reset) {
+ dev_err(&client->dev, "Unexpected device reset\n");
+
+ /*
+ * The device may or may not expect forced communication after
+ * it exits hardware reset, so the corresponding state machine
+ * must be reset as well.
+ */
+ iqs7211->comms_mode = iqs7211->comms_init;
+
+ return iqs7211_init_device(iqs7211);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(dev_desc->ati_error); i++) {
+ if (!(info_flags & dev_desc->ati_error[i]))
+ continue;
+
+ dev_err(&client->dev, "Unexpected %s ATI error\n",
+ iqs7211_reg_grp_names[i]);
+ return 0;
+ }
+
+ for (i = 0; i < iqs7211->num_contacts; i++) {
+ u16 pressure;
+
+ touch_data = (struct iqs7211_touch_data *)
+ &status[dev_desc->contact_offs] + i;
+ pressure = le16_to_cpu(touch_data->pressure);
+
+ input_mt_slot(iqs7211->tp_idev, i);
+ if (input_mt_report_slot_state(iqs7211->tp_idev, MT_TOOL_FINGER,
+ pressure != 0)) {
+ touchscreen_report_pos(iqs7211->tp_idev, &iqs7211->prop,
+ le16_to_cpu(touch_data->abs_x),
+ le16_to_cpu(touch_data->abs_y),
+ true);
+ input_report_abs(iqs7211->tp_idev, ABS_MT_PRESSURE,
+ pressure);
+ }
+ }
+
+ if (iqs7211->num_contacts) {
+ input_mt_sync_frame(iqs7211->tp_idev);
+ input_sync(iqs7211->tp_idev);
+ }
+
+ if (!iqs7211->kp_idev)
+ return 0;
+
+ charge_mode = info_flags & GENMASK(dev_desc->charge_shift + 2,
+ dev_desc->charge_shift);
+ charge_mode >>= dev_desc->charge_shift;
+
+ /*
+ * A charging mode higher than 2 (idle mode) indicates the device last
+ * operated in low-power mode and intends to express an ALP event.
+ */
+ if (info_flags & dev_desc->kp_events->mask && charge_mode > 2) {
+ input_report_key(iqs7211->kp_idev, *iqs7211->kp_code, 1);
+ input_sync(iqs7211->kp_idev);
+
+ input_report_key(iqs7211->kp_idev, *iqs7211->kp_code, 0);
+ }
+
+ for (i = 0; i < dev_desc->num_kp_events; i++) {
+ if (dev_desc->kp_events[i].reg_grp != IQS7211_REG_GRP_BTN)
+ continue;
+
+ input_report_key(iqs7211->kp_idev, iqs7211->kp_code[i],
+ info_flags & dev_desc->kp_events[i].mask);
+ }
+
+ gesture_flags = le16_to_cpu(status[dev_desc->gesture_offs]);
+
+ for (i = 0; i < dev_desc->num_kp_events; i++) {
+ enum iqs7211_reg_key_id reg_key = dev_desc->kp_events[i].reg_key;
+ u16 mask = dev_desc->kp_events[i].mask;
+
+ if (dev_desc->kp_events[i].reg_grp != IQS7211_REG_GRP_TP)
+ continue;
+
+ if ((gesture_flags ^ iqs7211->gesture_cache) & mask)
+ input_report_key(iqs7211->kp_idev, iqs7211->kp_code[i],
+ gesture_flags & mask);
+
+ iqs7211->gesture_cache &= ~mask;
+
+ /*
+ * Hold and palm gestures persist while the contact remains in
+ * place; all others are momentary and hence are followed by a
+ * complementary release event.
+ */
+ if (reg_key == IQS7211_REG_KEY_HOLD ||
+ reg_key == IQS7211_REG_KEY_PALM) {
+ iqs7211->gesture_cache |= gesture_flags & mask;
+ gesture_flags &= ~mask;
+ }
+ }
+
+ if (gesture_flags) {
+ input_sync(iqs7211->kp_idev);
+
+ for (i = 0; i < dev_desc->num_kp_events; i++)
+ if (dev_desc->kp_events[i].reg_grp == IQS7211_REG_GRP_TP &&
+ gesture_flags & dev_desc->kp_events[i].mask)
+ input_report_key(iqs7211->kp_idev,
+ iqs7211->kp_code[i], 0);
+ }
+
+ input_sync(iqs7211->kp_idev);
+
+ return 0;
+}
+
+static irqreturn_t iqs7211_irq(int irq, void *context)
+{
+ struct iqs7211_private *iqs7211 = context;
+
+ return iqs7211_report(iqs7211) ? IRQ_NONE : IRQ_HANDLED;
+}
+
+static int iqs7211_suspend(struct device *dev)
+{
+ struct iqs7211_private *iqs7211 = dev_get_drvdata(dev);
+ const struct iqs7211_dev_desc *dev_desc = iqs7211->dev_desc;
+ int error;
+
+ if (!dev_desc->suspend || device_may_wakeup(dev))
+ return 0;
+
+ /*
+ * I2C communication prompts the device to assert its RDY pin if it is
+ * not already asserted. As such, the interrupt must be disabled so as
+ * to prevent reentrant interrupts.
+ */
+ disable_irq(gpiod_to_irq(iqs7211->irq_gpio));
+
+ error = iqs7211_write_word(iqs7211, dev_desc->sys_ctrl,
+ dev_desc->suspend);
+
+ enable_irq(gpiod_to_irq(iqs7211->irq_gpio));
+
+ return error;
+}
+
+static int iqs7211_resume(struct device *dev)
+{
+ struct iqs7211_private *iqs7211 = dev_get_drvdata(dev);
+ const struct iqs7211_dev_desc *dev_desc = iqs7211->dev_desc;
+ __le16 sys_ctrl[] = {
+ 0,
+ cpu_to_le16(iqs7211->event_mask),
+ };
+ int error;
+
+ if (!dev_desc->suspend || device_may_wakeup(dev))
+ return 0;
+
+ disable_irq(gpiod_to_irq(iqs7211->irq_gpio));
+
+ /*
+ * Forced communication, if in use, must be explicitly enabled as part
+ * of the wake-up command.
+ */
+ error = iqs7211_write_burst(iqs7211, dev_desc->sys_ctrl, sys_ctrl,
+ sizeof(sys_ctrl));
+
+ enable_irq(gpiod_to_irq(iqs7211->irq_gpio));
+
+ return error;
+}
+
+static DEFINE_SIMPLE_DEV_PM_OPS(iqs7211_pm, iqs7211_suspend, iqs7211_resume);
+
+static ssize_t fw_info_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct iqs7211_private *iqs7211 = dev_get_drvdata(dev);
+
+ return scnprintf(buf, PAGE_SIZE, "%u.%u.%u.%u:%u.%u\n",
+ le16_to_cpu(iqs7211->ver_info.prod_num),
+ le32_to_cpu(iqs7211->ver_info.patch),
+ le16_to_cpu(iqs7211->ver_info.major),
+ le16_to_cpu(iqs7211->ver_info.minor),
+ iqs7211->exp_file[1], iqs7211->exp_file[0]);
+}
+
+static DEVICE_ATTR_RO(fw_info);
+
+static struct attribute *iqs7211_attrs[] = {
+ &dev_attr_fw_info.attr,
+ NULL
+};
+ATTRIBUTE_GROUPS(iqs7211);
+
+static const struct of_device_id iqs7211_of_match[] = {
+ {
+ .compatible = "azoteq,iqs7210a",
+ .data = &iqs7211_devs[IQS7210A],
+ },
+ {
+ .compatible = "azoteq,iqs7211a",
+ .data = &iqs7211_devs[IQS7211A],
+ },
+ {
+ .compatible = "azoteq,iqs7211e",
+ .data = &iqs7211_devs[IQS7211E],
+ },
+ { }
+};
+MODULE_DEVICE_TABLE(of, iqs7211_of_match);
+
+static int iqs7211_probe(struct i2c_client *client)
+{
+ struct iqs7211_private *iqs7211;
+ enum iqs7211_reg_grp_id reg_grp;
+ unsigned long irq_flags;
+ bool shared_irq;
+ int error, irq;
+
+ iqs7211 = devm_kzalloc(&client->dev, sizeof(*iqs7211), GFP_KERNEL);
+ if (!iqs7211)
+ return -ENOMEM;
+
+ i2c_set_clientdata(client, iqs7211);
+ iqs7211->client = client;
+
+ INIT_LIST_HEAD(&iqs7211->reg_field_head);
+
+ iqs7211->dev_desc = device_get_match_data(&client->dev);
+ if (!iqs7211->dev_desc)
+ return -ENODEV;
+
+ shared_irq = iqs7211->dev_desc->num_ctx == IQS7211_MAX_CTX;
+
+ /*
+ * The RDY pin behaves as an interrupt, but must also be polled ahead
+ * of unsolicited I2C communication. As such, it is first opened as a
+ * GPIO and then passed to gpiod_to_irq() to register the interrupt.
+ *
+ * If an extra CTx pin is present, the RDY and MCLR pins are combined
+ * into a single bidirectional pin. In that case, the platform's GPIO
+ * must be configured as an open-drain output.
+ */
+ iqs7211->irq_gpio = devm_gpiod_get(&client->dev, "irq",
+ shared_irq ? GPIOD_OUT_LOW
+ : GPIOD_IN);
+ if (IS_ERR(iqs7211->irq_gpio)) {
+ error = PTR_ERR(iqs7211->irq_gpio);
+ dev_err(&client->dev, "Failed to request IRQ GPIO: %d\n",
+ error);
+ return error;
+ }
+
+ if (shared_irq) {
+ iqs7211->reset_gpio = iqs7211->irq_gpio;
+ } else {
+ iqs7211->reset_gpio = devm_gpiod_get_optional(&client->dev,
+ "reset",
+ GPIOD_OUT_HIGH);
+ if (IS_ERR(iqs7211->reset_gpio)) {
+ error = PTR_ERR(iqs7211->reset_gpio);
+ dev_err(&client->dev,
+ "Failed to request reset GPIO: %d\n", error);
+ return error;
+ }
+ }
+
+ error = iqs7211_start_comms(iqs7211);
+ if (error)
+ return error;
+
+ for (reg_grp = 0; reg_grp < IQS7211_NUM_REG_GRPS; reg_grp++) {
+ const char *reg_grp_name = iqs7211_reg_grp_names[reg_grp];
+ struct fwnode_handle *reg_grp_node;
+
+ if (reg_grp_name)
+ reg_grp_node = device_get_named_child_node(&client->dev,
+ reg_grp_name);
+ else
+ reg_grp_node = fwnode_handle_get(dev_fwnode(&client->dev));
+
+ if (!reg_grp_node)
+ continue;
+
+ error = iqs7211_parse_reg_grp(iqs7211, reg_grp_node, reg_grp);
+ fwnode_handle_put(reg_grp_node);
+ if (error)
+ return error;
+ }
+
+ error = iqs7211_register_kp(iqs7211);
+ if (error)
+ return error;
+
+ error = iqs7211_register_tp(iqs7211);
+ if (error)
+ return error;
+
+ error = iqs7211_init_device(iqs7211);
+ if (error)
+ return error;
+
+ irq = gpiod_to_irq(iqs7211->irq_gpio);
+ if (irq < 0)
+ return irq;
+
+ irq_flags = gpiod_is_active_low(iqs7211->irq_gpio) ? IRQF_TRIGGER_LOW
+ : IRQF_TRIGGER_HIGH;
+ irq_flags |= IRQF_ONESHOT;
+
+ error = devm_request_threaded_irq(&client->dev, irq, NULL, iqs7211_irq,
+ irq_flags, client->name, iqs7211);
+ if (error)
+ dev_err(&client->dev, "Failed to request IRQ: %d\n", error);
+
+ return error;
+}
+
+static struct i2c_driver iqs7211_i2c_driver = {
+ .probe = iqs7211_probe,
+ .driver = {
+ .name = "iqs7211",
+ .of_match_table = iqs7211_of_match,
+ .dev_groups = iqs7211_groups,
+ .pm = pm_sleep_ptr(&iqs7211_pm),
+ },
+};
+module_i2c_driver(iqs7211_i2c_driver);
+
+MODULE_AUTHOR("Jeff LaBundy <jeff@labundy.com>");
+MODULE_DESCRIPTION("Azoteq IQS7210A/7211A/E Trackpad/Touchscreen Controller");
+MODULE_LICENSE("GPL");
static int lpc32xx_ts_probe(struct platform_device *pdev)
{
+ struct device *dev = &pdev->dev;
struct lpc32xx_tsc *tsc;
struct input_dev *input;
- struct resource *res;
- resource_size_t size;
int irq;
int error;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(&pdev->dev, "Can't get memory resource\n");
- return -ENOENT;
- }
-
irq = platform_get_irq(pdev, 0);
if (irq < 0)
return irq;
- tsc = kzalloc(sizeof(*tsc), GFP_KERNEL);
- input = input_allocate_device();
- if (!tsc || !input) {
- dev_err(&pdev->dev, "failed allocating memory\n");
- error = -ENOMEM;
- goto err_free_mem;
- }
+ tsc = devm_kzalloc(dev, sizeof(*tsc), GFP_KERNEL);
+ if (!tsc)
+ return -ENOMEM;
- tsc->dev = input;
tsc->irq = irq;
- size = resource_size(res);
-
- if (!request_mem_region(res->start, size, pdev->name)) {
- dev_err(&pdev->dev, "TSC registers are not free\n");
- error = -EBUSY;
- goto err_free_mem;
- }
+ tsc->tsc_base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(tsc->tsc_base))
+ return PTR_ERR(tsc->tsc_base);
- tsc->tsc_base = ioremap(res->start, size);
- if (!tsc->tsc_base) {
- dev_err(&pdev->dev, "Can't map memory\n");
- error = -ENOMEM;
- goto err_release_mem;
- }
-
- tsc->clk = clk_get(&pdev->dev, NULL);
+ tsc->clk = devm_clk_get(dev, NULL);
if (IS_ERR(tsc->clk)) {
dev_err(&pdev->dev, "failed getting clock\n");
- error = PTR_ERR(tsc->clk);
- goto err_unmap;
+ return PTR_ERR(tsc->clk);
+ }
+
+ input = devm_input_allocate_device(dev);
+ if (!input) {
+ dev_err(&pdev->dev, "failed allocating input device\n");
+ return -ENOMEM;
}
input->name = MOD_NAME;
input->id.vendor = 0x0001;
input->id.product = 0x0002;
input->id.version = 0x0100;
- input->dev.parent = &pdev->dev;
input->open = lpc32xx_ts_open;
input->close = lpc32xx_ts_close;
- input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
- input->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
+ input_set_capability(input, EV_KEY, BTN_TOUCH);
input_set_abs_params(input, ABS_X, LPC32XX_TSC_MIN_XY_VAL,
LPC32XX_TSC_MAX_XY_VAL, 0, 0);
input_set_abs_params(input, ABS_Y, LPC32XX_TSC_MIN_XY_VAL,
LPC32XX_TSC_MAX_XY_VAL, 0, 0);
input_set_drvdata(input, tsc);
+ tsc->dev = input;
- error = request_irq(tsc->irq, lpc32xx_ts_interrupt,
- 0, pdev->name, tsc);
+ error = devm_request_irq(dev, tsc->irq, lpc32xx_ts_interrupt,
+ 0, pdev->name, tsc);
if (error) {
dev_err(&pdev->dev, "failed requesting interrupt\n");
- goto err_put_clock;
+ return error;
}
error = input_register_device(input);
if (error) {
dev_err(&pdev->dev, "failed registering input device\n");
- goto err_free_irq;
+ return error;
}
platform_set_drvdata(pdev, tsc);
- device_init_wakeup(&pdev->dev, 1);
-
- return 0;
-
-err_free_irq:
- free_irq(tsc->irq, tsc);
-err_put_clock:
- clk_put(tsc->clk);
-err_unmap:
- iounmap(tsc->tsc_base);
-err_release_mem:
- release_mem_region(res->start, size);
-err_free_mem:
- input_free_device(input);
- kfree(tsc);
-
- return error;
-}
-
-static int lpc32xx_ts_remove(struct platform_device *pdev)
-{
- struct lpc32xx_tsc *tsc = platform_get_drvdata(pdev);
- struct resource *res;
-
- free_irq(tsc->irq, tsc);
-
- input_unregister_device(tsc->dev);
-
- clk_put(tsc->clk);
-
- iounmap(tsc->tsc_base);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(res->start, resource_size(res));
-
- kfree(tsc);
+ device_init_wakeup(&pdev->dev, true);
return 0;
}
static struct platform_driver lpc32xx_ts_driver = {
.probe = lpc32xx_ts_probe,
- .remove = lpc32xx_ts_remove,
.driver = {
.name = MOD_NAME,
.pm = LPC32XX_TS_PM_OPS,
.of_match_table = max11801_ts_dt_ids,
},
.id_table = max11801_ts_id,
- .probe_new = max11801_ts_probe,
+ .probe = max11801_ts_probe,
};
module_i2c_driver(max11801_ts_driver);
MODULE_DEVICE_TABLE(i2c, mcs5000_ts_id);
static struct i2c_driver mcs5000_ts_driver = {
- .probe_new = mcs5000_ts_probe,
+ .probe = mcs5000_ts_probe,
.driver = {
.name = "mcs5000_ts",
.pm = pm_sleep_ptr(&mcs5000_ts_pm),
ts->gpio_ce = devm_gpiod_get_optional(&client->dev,
"ce", GPIOD_OUT_LOW);
- if (IS_ERR(ts->gpio_ce)) {
- error = PTR_ERR(ts->gpio_ce);
- if (error != -EPROBE_DEFER)
- dev_err(&client->dev,
- "Failed to get gpio: %d\n", error);
- return error;
- }
+ if (IS_ERR(ts->gpio_ce))
+ return dev_err_probe(&client->dev, PTR_ERR(ts->gpio_ce), "Failed to get gpio\n");
error = mip4_power_on(ts);
if (error)
static struct i2c_driver mip4_driver = {
.id_table = mip4_i2c_ids,
- .probe_new = mip4_probe,
+ .probe = mip4_probe,
.driver = {
.name = MIP4_DEVICE_NAME,
.of_match_table = of_match_ptr(mip4_of_match),
.name = "migor_ts",
.pm = pm_sleep_ptr(&migor_ts_pm),
},
- .probe_new = migor_ts_probe,
+ .probe = migor_ts_probe,
.remove = migor_ts_remove,
.id_table = migor_ts_id,
};
.pm = pm_sleep_ptr(&mms114_pm_ops),
.of_match_table = of_match_ptr(mms114_dt_match),
},
- .probe_new = mms114_probe,
+ .probe = mms114_probe,
.id_table = mms114_id,
};
MODULE_DEVICE_TABLE(of, msg2638_of_match);
static struct i2c_driver msg2638_ts_driver = {
- .probe_new = msg2638_ts_probe,
+ .probe = msg2638_ts_probe,
.driver = {
.name = "MStar-TS",
.pm = pm_sleep_ptr(&msg2638_pm_ops),
// SPDX-License-Identifier: GPL-2.0-or-later
/*
- * Driver for Novatek i2c touchscreen controller as found on
- * the Acer Iconia One 7 B1-750 tablet. The Touchscreen controller
- * model-number is unknown. Android calls this a "NVT-ts" touchscreen,
- * but that may apply to other Novatek controller models too.
+ * Driver for Novatek NT11205 i2c touchscreen controller as found
+ * on the Acer Iconia One 7 B1-750 tablet.
*
* Copyright (c) 2023 Hans de Goede <hdegoede@redhat.com>
*/
error = input_register_device(input);
if (error) {
- dev_err(dev, "failed to request irq: %d\n", error);
+ dev_err(dev, "failed to register input device: %d\n", error);
return error;
}
.name = "novatek-nvt-ts",
.pm = pm_sleep_ptr(&nvt_ts_pm_ops),
},
- .probe_new = nvt_ts_probe,
+ .probe = nvt_ts_probe,
.id_table = nvt_ts_i2c_id,
};
module_i2c_driver(nvt_ts_driver);
-MODULE_DESCRIPTION("Novatek NVT-ts touchscreen driver");
+MODULE_DESCRIPTION("Novatek NT11205 touchscreen driver");
MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
MODULE_LICENSE("GPL");
input_set_drvdata(input, tsdata);
tsdata->gpio_attb = devm_gpiod_get(dev, "attb", GPIOD_IN);
- if (IS_ERR(tsdata->gpio_attb)) {
- error = PTR_ERR(tsdata->gpio_attb);
- if (error != -EPROBE_DEFER)
- dev_err(dev, "Failed to request ATTB gpio: %d\n",
- error);
- return error;
- }
+ if (IS_ERR(tsdata->gpio_attb))
+ return dev_err_probe(dev, PTR_ERR(tsdata->gpio_attb),
+ "Failed to request ATTB gpio\n");
tsdata->gpio_reset = devm_gpiod_get_optional(dev, "reset",
GPIOD_OUT_LOW);
- if (IS_ERR(tsdata->gpio_reset)) {
- error = PTR_ERR(tsdata->gpio_reset);
- if (error != -EPROBE_DEFER)
- dev_err(dev, "Failed to request RESET gpio: %d\n",
- error);
- return error;
- }
+ if (IS_ERR(tsdata->gpio_reset))
+ return dev_err_probe(dev, PTR_ERR(tsdata->gpio_reset),
+ "Failed to request RESET gpio\n");
tsdata->gpio_wake = devm_gpiod_get_optional(dev, "wake",
GPIOD_OUT_HIGH);
- if (IS_ERR(tsdata->gpio_wake)) {
- error = PTR_ERR(tsdata->gpio_wake);
- if (error != -EPROBE_DEFER)
- dev_err(dev, "Failed to get wake gpio: %d\n", error);
- return error;
- }
+ if (IS_ERR(tsdata->gpio_wake))
+ return dev_err_probe(dev, PTR_ERR(tsdata->gpio_wake),
+ "Failed to get wake gpio\n");
tsdata->gpio_enable = devm_gpiod_get_optional(dev, "enable",
GPIOD_OUT_HIGH);
- if (IS_ERR(tsdata->gpio_enable)) {
- error = PTR_ERR(tsdata->gpio_enable);
- if (error != -EPROBE_DEFER)
- dev_err(dev, "Failed to get enable gpio: %d\n", error);
- return error;
- }
+ if (IS_ERR(tsdata->gpio_enable))
+ return dev_err_probe(dev, PTR_ERR(tsdata->gpio_enable),
+ "Failed to get enable gpio\n");
if (tsdata->gpio_enable)
msleep(100);
.pm = pm_sleep_ptr(&pixcir_dev_pm_ops),
.of_match_table = of_match_ptr(pixcir_of_match),
},
- .probe_new = pixcir_i2c_ts_probe,
+ .probe = pixcir_i2c_ts_probe,
.id_table = pixcir_i2c_ts_id,
};
i2c_set_clientdata(client, ts);
ts->avdd = devm_regulator_get(&client->dev, "avdd");
- if (IS_ERR(ts->avdd)) {
- error = PTR_ERR(ts->avdd);
- if (error != -EPROBE_DEFER)
- dev_err(&client->dev,
- "Failed to get 'avdd' regulator: %d\n", error);
- return error;
- }
+ if (IS_ERR(ts->avdd))
+ return dev_err_probe(&client->dev, PTR_ERR(ts->avdd),
+ "Failed to get 'avdd' regulator\n");
ts->vccio = devm_regulator_get(&client->dev, "vccio");
- if (IS_ERR(ts->vccio)) {
- error = PTR_ERR(ts->vccio);
- if (error != -EPROBE_DEFER)
- dev_err(&client->dev,
- "Failed to get 'vccio' regulator: %d\n", error);
- return error;
- }
+ if (IS_ERR(ts->vccio))
+ return dev_err_probe(&client->dev, PTR_ERR(ts->vccio),
+ "Failed to get 'vccio' regulator\n");
ts->reset_gpio = devm_gpiod_get_optional(&client->dev, "reset",
GPIOD_OUT_LOW);
- if (IS_ERR(ts->reset_gpio)) {
- error = PTR_ERR(ts->reset_gpio);
- if (error != -EPROBE_DEFER)
- dev_err(&client->dev,
- "failed to get reset gpio: %d\n", error);
- return error;
- }
+ if (IS_ERR(ts->reset_gpio))
+ return dev_err_probe(&client->dev, PTR_ERR(ts->reset_gpio),
+ "Failed to get reset gpio\n");
error = raydium_i2c_power_on(ts);
if (error)
#endif
static struct i2c_driver raydium_i2c_driver = {
- .probe_new = raydium_i2c_probe,
+ .probe = raydium_i2c_probe,
.id_table = raydium_i2c_id,
.driver = {
.name = "raydium_ts",
/* get the channels from IIO device */
st->iio_chans = devm_iio_channel_get_all(dev);
- if (IS_ERR(st->iio_chans)) {
- error = PTR_ERR(st->iio_chans);
- if (error != -EPROBE_DEFER)
- dev_err(dev, "can't get iio channels.\n");
- return error;
- }
+ if (IS_ERR(st->iio_chans))
+ return dev_err_probe(dev, PTR_ERR(st->iio_chans), "can't get iio channels\n");
if (!device_property_present(dev, "io-channel-names"))
return -ENODEV;
.driver = {
.name = BU21023_NAME,
},
- .probe_new = rohm_bu21023_i2c_probe,
+ .probe = rohm_bu21023_i2c_probe,
.id_table = rohm_bu21023_i2c_id,
};
module_i2c_driver(rohm_bu21023_i2c_driver);
.of_match_table = of_match_ptr(s6sy761_of_match),
.pm = pm_ptr(&s6sy761_pm_ops),
},
- .probe_new = s6sy761_probe,
+ .probe = s6sy761_probe,
.remove = s6sy761_remove,
.id_table = s6sy761_id,
};
/* Power GPIO pin */
data->gpio_power = devm_gpiod_get_optional(dev, "power", GPIOD_OUT_LOW);
- if (IS_ERR(data->gpio_power)) {
- if (PTR_ERR(data->gpio_power) != -EPROBE_DEFER)
- dev_err(dev, "Shutdown GPIO request failed\n");
- return PTR_ERR(data->gpio_power);
- }
+ if (IS_ERR(data->gpio_power))
+ return dev_err_probe(dev, PTR_ERR(data->gpio_power),
+ "Shutdown GPIO request failed\n");
error = silead_ts_setup(client);
if (error)
#endif
static struct i2c_driver silead_ts_driver = {
- .probe_new = silead_ts_probe,
+ .probe = silead_ts_probe,
.id_table = silead_ts_id,
.driver = {
.name = SILEAD_TS_NAME,
ts->attn_gpio = devm_gpiod_get_optional(&client->dev,
"attn", GPIOD_IN);
- if (IS_ERR(ts->attn_gpio)) {
- error = PTR_ERR(ts->attn_gpio);
- if (error != -EPROBE_DEFER)
- dev_err(&client->dev,
- "Failed to get attention GPIO: %d\n", error);
- return error;
- }
+ if (IS_ERR(ts->attn_gpio))
+ return dev_err_probe(&client->dev, PTR_ERR(ts->attn_gpio),
+ "Failed to get attention GPIO\n");
ts->reset_gpio = devm_gpiod_get_optional(&client->dev,
"reset", GPIOD_OUT_LOW);
- if (IS_ERR(ts->reset_gpio)) {
- error = PTR_ERR(ts->reset_gpio);
- if (error != -EPROBE_DEFER)
- dev_err(&client->dev,
- "Failed to get reset GPIO: %d\n", error);
- return error;
- }
+ if (IS_ERR(ts->reset_gpio))
+ return dev_err_probe(&client->dev, PTR_ERR(ts->reset_gpio),
+ "Failed to get reset GPIO\n");
sis_ts_reset(ts);
.name = SIS_I2C_NAME,
.of_match_table = of_match_ptr(sis_ts_dt_ids),
},
- .probe_new = sis_ts_probe,
+ .probe = sis_ts_probe,
.id_table = sis_ts_id,
};
module_i2c_driver(sis_ts_driver);
MODULE_DEVICE_TABLE(of, st1232_ts_dt_ids);
static struct i2c_driver st1232_ts_driver = {
- .probe_new = st1232_ts_probe,
+ .probe = st1232_ts_probe,
.id_table = st1232_ts_id,
.driver = {
.name = ST1232_TS_NAME,
.pm = pm_ptr(&stmfts_pm_ops),
.probe_type = PROBE_PREFER_ASYNCHRONOUS,
},
- .probe_new = stmfts_probe,
+ .probe = stmfts_probe,
.remove = stmfts_remove,
.id_table = stmfts_id,
};
*/
static int surface3_spi_get_gpio_config(struct surface3_ts_data *data)
{
- int error;
struct device *dev;
struct gpio_desc *gpiod;
int i;
/* Get the reset lines GPIO pin number */
for (i = 0; i < 2; i++) {
gpiod = devm_gpiod_get_index(dev, NULL, i, GPIOD_OUT_LOW);
- if (IS_ERR(gpiod)) {
- error = PTR_ERR(gpiod);
- if (error != -EPROBE_DEFER)
- dev_err(dev,
- "Failed to get power GPIO %d: %d\n",
- i,
- error);
- return error;
- }
+ if (IS_ERR(gpiod))
+ return dev_err_probe(dev, PTR_ERR(gpiod),
+ "Failed to get power GPIO %d\n", i);
data->gpiod_rst[i] = gpiod;
}
sx8654->gpio_reset = devm_gpiod_get_optional(&client->dev, "reset",
GPIOD_OUT_HIGH);
- if (IS_ERR(sx8654->gpio_reset)) {
- error = PTR_ERR(sx8654->gpio_reset);
- if (error != -EPROBE_DEFER)
- dev_err(&client->dev, "unable to get reset-gpio: %d\n",
- error);
- return error;
- }
+ if (IS_ERR(sx8654->gpio_reset))
+ return dev_err_probe(&client->dev, PTR_ERR(sx8654->gpio_reset),
+ "unable to get reset-gpio\n");
dev_dbg(&client->dev, "got GPIO reset pin\n");
sx8654->data = device_get_match_data(&client->dev);
.of_match_table = of_match_ptr(sx8654_of_match),
},
.id_table = sx8654_id_table,
- .probe_new = sx8654_probe,
+ .probe = sx8654_probe,
};
module_i2c_driver(sx8654_driver);
.pm = pm_sleep_ptr(&tsc200x_pm_ops),
},
.id_table = tsc2004_idtable,
- .probe_new = tsc2004_probe,
+ .probe = tsc2004_probe,
.remove = tsc2004_remove,
};
module_i2c_driver(tsc2004_driver);
.of_match_table = tsc2007_of_match,
},
.id_table = tsc2007_idtable,
- .probe_new = tsc2007_probe,
+ .probe = tsc2007_probe,
};
module_i2c_driver(tsc2007_driver);
.pm = pm_sleep_ptr(&wacom_i2c_pm),
},
- .probe_new = wacom_i2c_probe,
+ .probe = wacom_i2c_probe,
.id_table = wacom_i2c_id,
};
module_i2c_driver(wacom_i2c_driver);
MODULE_DEVICE_TABLE(acpi, wdt87xx_acpi_id);
static struct i2c_driver wdt87xx_driver = {
- .probe_new = wdt87xx_ts_probe,
+ .probe = wdt87xx_ts_probe,
.id_table = wdt87xx_dev_id,
.driver = {
.name = WDT87XX_NAME,
.name = "zet6223",
.of_match_table = zet6223_of_match,
},
- .probe_new = zet6223_probe,
+ .probe = zet6223_probe,
.id_table = zet6223_id
};
module_i2c_driver(zet6223_driver);
.pm = pm_sleep_ptr(&zforce_pm_ops),
.of_match_table = of_match_ptr(zforce_dt_idtable),
},
- .probe_new = zforce_probe,
+ .probe = zforce_probe,
.id_table = zforce_idtable,
};
#endif
static struct i2c_driver zinitix_ts_driver = {
- .probe_new = zinitix_ts_probe,
+ .probe = zinitix_ts_probe,
.driver = {
.name = "Zinitix-TS",
.pm = pm_sleep_ptr(&zinitix_pm_ops),
#ifndef _GAMEPORT_H
#define _GAMEPORT_H
-#include <asm/io.h>
#include <linux/types.h>
#include <linux/list.h>
#include <linux/mutex.h>
int gameport_open(struct gameport *gameport, struct gameport_driver *drv, int mode);
void gameport_close(struct gameport *gameport);
-#if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
+#if IS_REACHABLE(CONFIG_GAMEPORT)
void __gameport_register_port(struct gameport *gameport, struct module *owner);
/* use a define to avoid include chaining to get THIS_MODULE */
static inline void gameport_trigger(struct gameport *gameport)
{
- if (gameport->trigger)
- gameport->trigger(gameport);
- else
- outb(0xff, gameport->io);
+ gameport->trigger(gameport);
}
static inline unsigned char gameport_read(struct gameport *gameport)
{
- if (gameport->read)
- return gameport->read(gameport);
- else
- return inb(gameport->io);
+ return gameport->read(gameport);
}
static inline int gameport_cooked_read(struct gameport *gameport, int *axes, int *buttons)
#define _LINUX_I8042_H
+#include <linux/errno.h>
#include <linux/types.h>
/*
*/
#include <linux/bitops.h>
+#include <linux/interrupt.h>
#include <linux/mutex.h>
#include <linux/types.h>
#include <linux/wait.h>
-#define PS2_CMD_SETSCALE11 0x00e6
-#define PS2_CMD_SETRES 0x10e8
-#define PS2_CMD_GETID 0x02f2
-#define PS2_CMD_RESET_BAT 0x02ff
+struct ps2dev;
-#define PS2_RET_BAT 0xaa
-#define PS2_RET_ID 0x00
-#define PS2_RET_ACK 0xfa
-#define PS2_RET_NAK 0xfe
-#define PS2_RET_ERR 0xfc
+/**
+ * enum ps2_disposition - indicates how received byte should be handled
+ * @PS2_PROCESS: pass to the main protocol handler, process normally
+ * @PS2_IGNORE: skip the byte
+ * @PS2_ERROR: do not process the byte, abort command in progress
+ */
+enum ps2_disposition {
+ PS2_PROCESS,
+ PS2_IGNORE,
+ PS2_ERROR,
+};
-#define PS2_FLAG_ACK BIT(0) /* Waiting for ACK/NAK */
-#define PS2_FLAG_CMD BIT(1) /* Waiting for a command to finish */
-#define PS2_FLAG_CMD1 BIT(2) /* Waiting for the first byte of command response */
-#define PS2_FLAG_WAITID BIT(3) /* Command executing is GET ID */
-#define PS2_FLAG_NAK BIT(4) /* Last transmission was NAKed */
-#define PS2_FLAG_ACK_CMD BIT(5) /* Waiting to ACK the command (first) byte */
+typedef enum ps2_disposition (*ps2_pre_receive_handler_t)(struct ps2dev *, u8,
+ unsigned int);
+typedef void (*ps2_receive_handler_t)(struct ps2dev *, u8);
+/**
+ * struct ps2dev - represents a device using PS/2 protocol
+ * @serio: a serio port used by the PS/2 device
+ * @cmd_mutex: a mutex ensuring that only one command is executing at a time
+ * @wait: a waitqueue used to signal completion from the serio interrupt handler
+ * @flags: various internal flags indicating stages of PS/2 command execution
+ * @cmdbuf: buffer holding command response
+ * @cmdcnt: outstanding number of bytes of the command response
+ * @nak: a byte transmitted by the device when it refuses command
+ * @pre_receive_handler: checks communication errors and returns disposition
+ * (&enum ps2_disposition) of the received data byte
+ * @receive_handler: main handler of particular PS/2 protocol, such as keyboard
+ * or mouse protocol
+ */
struct ps2dev {
struct serio *serio;
-
- /* Ensures that only one command is executing at a time */
struct mutex cmd_mutex;
-
- /* Used to signal completion from interrupt handler */
wait_queue_head_t wait;
-
unsigned long flags;
u8 cmdbuf[8];
u8 cmdcnt;
u8 nak;
+
+ ps2_pre_receive_handler_t pre_receive_handler;
+ ps2_receive_handler_t receive_handler;
};
-void ps2_init(struct ps2dev *ps2dev, struct serio *serio);
+void ps2_init(struct ps2dev *ps2dev, struct serio *serio,
+ ps2_pre_receive_handler_t pre_receive_handler,
+ ps2_receive_handler_t receive_handler);
int ps2_sendbyte(struct ps2dev *ps2dev, u8 byte, unsigned int timeout);
void ps2_drain(struct ps2dev *ps2dev, size_t maxbytes, unsigned int timeout);
void ps2_begin_command(struct ps2dev *ps2dev);
int __ps2_command(struct ps2dev *ps2dev, u8 *param, unsigned int command);
int ps2_command(struct ps2dev *ps2dev, u8 *param, unsigned int command);
int ps2_sliced_command(struct ps2dev *ps2dev, u8 command);
-bool ps2_handle_ack(struct ps2dev *ps2dev, u8 data);
-bool ps2_handle_response(struct ps2dev *ps2dev, u8 data);
-void ps2_cmd_aborted(struct ps2dev *ps2dev);
bool ps2_is_keyboard_id(u8 id);
+irqreturn_t ps2_interrupt(struct serio *serio, u8 data, unsigned int flags);
+
#endif /* _LIBPS2_H */
projects / linux-2.6-microblaze.git / commitdiff