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drivers: soc: qti: Add support for fingerprint driver

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Port qbt_handler from msm-4.19 branch upto commit
f5526dd3667d (qbt: Make IPC irq falling edge triggered).

Change-Id: I5adb23732850e56bfce0af89b378bf0bc0e4c192
Signed-off-by: Abir Ghosh <abirg@codeaurora.org>
This commit is contained in:
Abir Ghosh 2020-01-30 18:04:32 +05:30
commit c6d5ee8048
10 changed files with 1339 additions and 1 deletions
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2
include/uapi/Kbuild
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@ -7,6 +7,8 @@ ifeq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/uapi/asm/kvm.h),)
no-export-headers += linux/kvm.h
endif
header-y += linux/qbt_handler.h
ifeq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/uapi/asm/kvm_para.h),)
ifeq ($(wildcard $(objtree)/arch/$(SRCARCH)/include/generated/uapi/asm/kvm_para.h),)
no-export-headers += linux/kvm_para.h

80
include/uapi/linux/qbt_handler.h Normal file
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@ -0,0 +1,80 @@
/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
/*
* Copyright (c) 2016-2020, The Linux Foundation. All rights reserved.
*/
#ifndef _UAPI_QBT_HANDLER_H_
#define _UAPI_QBT_HANDLER_H_
#define MAX_NAME_SIZE 32
#define QBT_IS_WUHB_CONNECTED 100
#define QBT_SEND_KEY_EVENT 101
#define QBT_ENABLE_IPC 102
#define QBT_DISABLE_IPC 103
#define QBT_ENABLE_FD 104
#define QBT_DISABLE_FD 105
#define QBT_CONFIGURE_TOUCH_FD 106
#define QBT_ACQUIRE_WAKELOCK 107
#define QBT_RELEASE_WAKELOCK 108
/*
* enum qbt_finger_events -
* enumeration of qbt finger events
* @QBT_EVENT_FINGER_UP - finger up detected
* @QBT_EVENT_FINGER_DOWN - finger down detected
* @QBT_EVENT_FINGER_MOVE - finger move detected
*/
enum qbt_finger_events {
QBT_EVENT_FINGER_UP,
QBT_EVENT_FINGER_DOWN,
QBT_EVENT_FINGER_MOVE
};
/*
* enum qbt_fw_event -
* enumeration of firmware events
* @FW_EVENT_FINGER_DOWN - finger down detected
* @FW_EVENT_FINGER_UP - finger up detected
* @FW_EVENT_IPC - an IPC from the firmware is pending
*/
enum qbt_fw_event {
FW_EVENT_FINGER_DOWN = 1,
FW_EVENT_FINGER_UP = 2,
FW_EVENT_IPC = 3,
};
/*
* struct qbt_wuhb_connected_status -
* used to query whether WUHB INT line is connected
* @is_wuhb_connected - if non-zero, WUHB INT line is connected
*/
struct qbt_wuhb_connected_status {
bool is_wuhb_connected;
};
/*
* struct qbt_key_event -
* used to send key event
* @key - the key event to send
* @value - value of the key event
*/
struct qbt_key_event {
int key;
int value;
};
/*
* struct qbt_touch_config -
* used to configure touch finger detect
* @rad_filter_enable - flag to enable/disable radius based filtering
* @rad_x: movement radius in x direction
* @rad_y: movement radius in y direction
*/
struct qbt_touch_config {
bool rad_filter_enable;
int rad_x;
int rad_y;
};
#endif /* _UAPI_QBT_HANDLER_H_ */