Merge "input: misc: hbtp_input: snapshot of driver from msm-4.9"

drivers/input/misc/Kconfig

@@ -117,6 +117,17 @@ config INPUT_E3X0_BUTTON
 	  To compile this driver as a module, choose M here: the
 	  module will be called e3x0_button.
 
+config INPUT_HBTP_INPUT
+	tristate "HBTP input driver support"
+	help
+	  This option enables an input driver for the host based touch
+	  processing.
+
+	  Say Y to enable HBTP input driver.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called hbtp_input.
+
 config INPUT_PCSPKR
 	tristate "PC Speaker support"
 	depends on PCSPKR_PLATFORM

drivers/input/misc/Makefile

@@ -38,6 +38,7 @@ obj-$(CONFIG_INPUT_GPIO_BEEPER)		+= gpio-beeper.o
 obj-$(CONFIG_INPUT_GPIO_DECODER)	+= gpio_decoder.o
 obj-$(CONFIG_INPUT_GPIO)		+= gpio_event.o gpio_matrix.o gpio_input.o gpio_output.o gpio_axis.o
 obj-$(CONFIG_INPUT_HISI_POWERKEY)	+= hisi_powerkey.o
+obj-$(CONFIG_INPUT_HBTP_INPUT)		+= hbtp_input.o
 obj-$(CONFIG_HP_SDC_RTC)		+= hp_sdc_rtc.o
 obj-$(CONFIG_INPUT_IMS_PCU)		+= ims-pcu.o
 obj-$(CONFIG_INPUT_IXP4XX_BEEPER)	+= ixp4xx-beeper.o

gen_headers_arm.bp

@@ -246,6 +246,7 @@ gen_headers_out_arm = [
     "linux/gsmmux.h",
     "linux/gtp.h",
     "linux/hash_info.h",
+    "linux/hbtp_input.h",
     "linux/hdlc.h",
     "linux/hdlcdrv.h",
     "linux/hdreg.h",

gen_headers_arm64.bp

@@ -241,6 +241,7 @@ gen_headers_out_arm64 = [
     "linux/gsmmux.h",
     "linux/gtp.h",
     "linux/hash_info.h",
+    "linux/hbtp_input.h",
     "linux/hdlc.h",
     "linux/hdlcdrv.h",
     "linux/hdreg.h",

include/uapi/linux/Kbuild

@@ -4,6 +4,8 @@ ifeq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/uapi/asm/a.out.h),)
 no-export-headers += a.out.h
 endif
 
+header-y += hbtp_input.h
+
 ifeq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/uapi/asm/kvm.h),)
 no-export-headers += kvm.h
 endif

include/uapi/linux/hbtp_input.h

@@ -0,0 +1,83 @@
+/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
+#ifndef _UAPI_HBTP_INPUT_H
+#define _UAPI_HBTP_INPUT_H
+
+#include <linux/input.h>
+
+#define HBTP_MAX_FINGER		20
+#define HBTP_ABS_MT_FIRST	ABS_MT_TOUCH_MAJOR
+#define HBTP_ABS_MT_LAST	ABS_MT_TOOL_Y
+#define MAX_ROI_SIZE		144
+#define MAX_ACCEL_SIZE		128
+
+#define HBTP_EVENT_TYPE_DISPLAY	"EVENT_TYPE=HBTP_DISPLAY"
+
+struct hbtp_input_touch {
+	bool active;
+	__s32 tool;
+	__s32 x;
+	__s32 y;
+	__s32 pressure;
+	__s32 major;
+	__s32 minor;
+	__s32 orientation;
+};
+
+struct hbtp_sensor_data {
+	__s16 accelBuffer[MAX_ACCEL_SIZE];
+	__s16 ROI[MAX_ROI_SIZE];
+};
+
+struct hbtp_input_mt {
+	__s32 num_touches;
+	struct hbtp_input_touch touches[HBTP_MAX_FINGER];
+	struct timeval time_val;
+};
+
+struct hbtp_input_absinfo {
+	bool  active;
+	__u16 code;
+	__s32 minimum;
+	__s32 maximum;
+};
+
+enum hbtp_afe_power_cmd {
+	HBTP_AFE_POWER_ON,
+	HBTP_AFE_POWER_OFF,
+};
+
+struct hbtp_input_key {
+	__u32 code;
+	__s32 value;
+};
+
+enum hbtp_afe_signal {
+	HBTP_AFE_SIGNAL_ON_RESUME,
+	HBTP_AFE_SIGNAL_ON_SUSPEND,
+};
+
+enum hbtp_afe_power_ctrl {
+	HBTP_AFE_POWER_ENABLE_SYNC,
+	HBTP_AFE_POWER_ENABLE_SYNC_SIGNAL,
+};
+
+
+/* ioctl */
+#define HBTP_INPUT_IOCTL_BASE	'T'
+#define HBTP_SET_ABSPARAM	_IOW(HBTP_INPUT_IOCTL_BASE, 201, \
+					struct hbtp_input_absinfo *)
+#define HBTP_SET_TOUCHDATA	_IOW(HBTP_INPUT_IOCTL_BASE, 202, \
+					struct hbtp_input_mt)
+#define HBTP_SET_POWERSTATE	_IOW(HBTP_INPUT_IOCTL_BASE, 203, \
+					enum hbtp_afe_power_cmd)
+#define HBTP_SET_KEYDATA	_IOW(HBTP_INPUT_IOCTL_BASE, 204, \
+					struct hbtp_input_key)
+#define HBTP_SET_SYNCSIGNAL	_IOW(HBTP_INPUT_IOCTL_BASE, 205, \
+					enum hbtp_afe_signal)
+#define HBTP_SET_POWER_CTRL	_IOW(HBTP_INPUT_IOCTL_BASE, 206, \
+					enum hbtp_afe_power_ctrl)
+#define HBTP_SET_SENSORDATA	_IOW(HBTP_INPUT_IOCTL_BASE, 207, \
+					struct hbtp_sensor_data)
+
+#endif	/* _UAPI_HBTP_INPUT_H */
+