Add Egis fps kernel module for rbs

Egis rbs:
Added Egis kernel module for new egis rbs architecture

Change-Id: I74e977b69684b9b447745edcf73f47761d6c5f53
Signed-off-by: Yan Zhang <zhangy26@motorola.com>
Reviewed-on: https://gerrit.mot.com/1941950
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Xiangpo Zhao <zhaoxp3@motorola.com>
Submit-Approved: Jira Key

drivers/input/misc/rbs_fps_mmi/Android.mk

@@ -0,0 +1,16 @@
+DLKM_DIR := motorola/kernel/modules
+LOCAL_PATH := $(call my-dir)
+
+ifeq ($(DLKM_INSTALL_TO_VENDOR_OUT),true)
+ETS_FPS_MMI_MODULE_PATH := $(TARGET_OUT_VENDOR)/lib/modules/
+else
+ETS_FPS_MMI_MODULE_PATH := $(KERNEL_MODULES_OUT)
+endif
+
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := rbs_fps_mmi.ko
+LOCAL_MODULE_TAGS := optional
+LOCAL_MODULE_PATH := $(ETS_FPS_MMI_MODULE_PATH)
+include $(DLKM_DIR)/AndroidKernelModule.mk
+

drivers/input/misc/rbs_fps_mmi/Kbuild

@@ -0,0 +1,12 @@
+# add -Wall to try to catch everything we can.
+EXTRA_CFLAGS += -Wall
+EXTRA_CFLAGS += -I$(ANDROID_BUILD_TOP)/motorola/kernel/modules/include \
+				-I$(ANDROID_BUILD_TOP)/motorola/kernel/modules/drivers/input/misc/rbs_fps_mmi
+
+
+
+rbs_fps_mmi-y += etxxx_fp.o
+
+
+obj-m += rbs_fps_mmi.o
+

drivers/input/misc/rbs_fps_mmi/Makefile

@@ -0,0 +1,10 @@
+KERNEL_SRC ?= /lib/modules/$(shell uname -r)/build
+
+all:
+	$(MAKE) -C $(KERNEL_SRC) M=$(shell pwd) modules $(KBUILD_OPTIONS)
+
+modules_install:
+	$(MAKE) INSTALL_MOD_STRIP=1 -C $(KERNEL_SRC) M=$(shell pwd) modules_install
+
+clean:
+	$(MAKE) -C $(KERNEL_SRC) M=$(PWD) clean

drivers/input/misc/rbs_fps_mmi/etxxx_fp.h

@@ -0,0 +1,224 @@
+#ifndef _FP_LINUX_DIRVER_H_
+#define _FP_LINUX_DIRVER_H_
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/poll.h>
+#include <linux/sched.h>
+#include <linux/irq.h>
+#include <asm/irq.h>
+#include <linux/io.h>
+#include <linux/interrupt.h>
+#include <linux/uaccess.h>
+#include <linux/platform_device.h>
+#include <linux/cdev.h>
+#include <linux/miscdevice.h>
+#include <linux/gpio.h>
+#include <linux/spi/spi.h>
+
+#define DRIVER_VERSION "20210331"
+#define ET721
+#define USE_PIN_CTRL
+//#define PLATFORM_SPI
+#define MTK_PLATFORM
+//#define LSI_PLATFORM
+#define EGIS_DEBUG
+
+#define DEBUG_PRINT(fmt, arg...) \
+	printk(KERN_DEBUG "[EGISFP]" fmt, ##arg)
+
+#define INFO_PRINT(fmt, arg...) \
+	printk("[EGISFP]" fmt, ##arg)
+#define ERROR_PRINT(fmt, arg...) \
+	printk(KERN_ERR "[EGISFP]" fmt, ##arg)
+
+#define EGIS_FP_MAJOR 100 /* assigned */
+#define N_SPI_MINORS 32	  /* ... up to 256 */
+
+#define EGIS_DEV_NAME "esfp0"
+#define EGIS_INPUT_NAME "uinput-egis" /*"uinput-egis" */
+
+#define EGIS_CHRD_DRIVER_NAME "egis_fp"
+#define EGIS_CLASS_NAME "egis_fp"
+
+/* ------------------------- Opcode -------------------------------------*/
+#define FP_REGISTER_READ 0x01
+#define FP_REGISTER_WRITE 0x02
+#define FP_GET_ONE_IMG 0x03
+#define FP_SENSOR_RESET 0x04
+#define FP_POWER_ONOFF 0x05
+#define FP_SET_SPI_CLOCK 0x06
+#define FP_RESET_SET 0x07
+#define FP_WAKELOCK_ENABLE 0x08
+#define FP_WAKELOCK_DISABLE 0x09
+#define FP_GET_RESOURCE 0x11
+#define FP_FREE_RESOURCE 0x12
+
+#define GET_IO_STUS 0x21
+#define SEND_NAVI_EVENT 0x31
+/* trigger signal initial routine*/
+#define INT_TRIGGER_INIT 0xa4
+/* trigger signal close routine*/
+#define INT_TRIGGER_CLOSE 0xa5
+/* read trigger status*/
+#define INT_TRIGGER_READ 0xa6
+/* polling trigger status*/
+#define INT_TRIGGER_POLLING 0xa7
+/* polling abort*/
+#define INT_TRIGGER_ABORT 0xa8
+
+#define FP_FREE_GPIO 0xaf
+#define FP_SPICLK_ENABLE 0xaa
+#define FP_SPICLK_DISABLE 0xab
+#define DELETE_DEVICE_NODE 0xac
+
+#define FP_SPIPIN_SETTING 0xad
+#define FP_SPIPIN_PULLLOW 0xae
+
+#define FP_POWERSETUP 0xb0
+#define FP_WAKELOCK_TIMEOUT_ENABLE 0xb1
+#define FP_WAKELOCK_TIMEOUT_DISABLE 0xb2
+#define GET_SCREEN_ONOFF 0xb3
+
+#define DRDY_IRQ_ENABLE 1
+#define DRDY_IRQ_DISABLE 0
+
+#define EDGE_TRIGGER_FALLING 0x0
+#define EDGE_TRIGGER_RISING 0x1
+#define LEVEL_TRIGGER_LOW 0x2
+#define LEVEL_TRIGGER_HIGH 0x3
+#define WAKE_HOLD_TIME 2000 //ms
+
+#define SPI_DEFAULT_SPEED (1000000 * 20) //20M
+
+#define Tpwr_off_delay 3
+#define Tpwr_on_delay 3
+#define Rst_off_delay 3
+#define Rst_on_delay 12
+
+#define KEY_FPS_DOWN   614
+#define KEY_FPS_UP     615
+#define KEY_FPS_TAP    616
+#define KEY_FPS_HOLD   617
+#define KEY_FPS_YPLUS  618
+#define KEY_FPS_YMINUS 619
+#define KEY_FPS_XPLUS  620
+#define KEY_FPS_XMINUS 621
+#define KEY_FPS_DOUBLE_TAP 622
+
+#define EGIS_NAV_INPUT_UP KEY_FPS_YPLUS
+#define EGIS_NAV_INPUT_DOWN KEY_FPS_YMINUS
+#define EGIS_NAV_INPUT_LEFT KEY_FPS_XMINUS
+#define EGIS_NAV_INPUT_RIGHT KEY_FPS_XPLUS
+#define EGIS_NAV_INPUT_CLICK KEY_FPS_TAP
+#define EGIS_NAV_INPUT_DOUBLE_CLICK KEY_FPS_DOUBLE_TAP
+#define EGIS_NAV_INPUT_LONG_PRESS KEY_HOME
+#define EGIS_NAV_INPUT_FINGER_DOWN KEY_FPS_DOWN
+#define EGIS_NAV_INPUT_FINGER_UP KEY_FPS_UP
+
+
+
+enum egis_navi_event
+{
+	NAVI_EVENT_ON,
+	NAVI_EVENT_OFF,
+	NAVI_EVENT_UP,
+	NAVI_EVENT_DOWN,
+	NAVI_EVENT_LEFT,
+	NAVI_EVENT_RIGHT,
+	NAVI_EVENT_CLICK,
+	NAVI_EVENT_DOUBLE_CLICK,
+	NAVI_EVENT_LONG_PRESS,
+};
+
+struct egis_key_map_t
+{
+	unsigned int type;
+	unsigned int code;
+};
+
+struct egisfp_interrupt_desc_t
+{
+	int gpio;
+	int number;
+	char *name;
+	int int_count;
+	struct timer_list timer;
+	int finger_on;
+	int detect_period;
+	int detect_threshold;
+	int drdy_irq_flag;
+	int drdy_irq_abort;
+};
+
+struct egisfp_ioctl_cmd_t
+{
+	uint32_t int_mode;
+	uint32_t detect_period;
+	uint32_t detect_threshold;
+	uint32_t power_on;
+};
+
+/* ------------------------- Structure ------------------------------*/
+struct egisfp_dev_t
+{
+	dev_t devt;
+	spinlock_t spi_lock;
+	struct platform_device *dd;
+	struct list_head device_entry;
+	/* buffer is NULL unless this device is open (users > 0) */
+	struct mutex buf_lock;
+	unsigned users;
+	u8 *buffer;
+	unsigned int irqPin;	  /* interrupt GPIO pin number */
+	unsigned int rstPin;	  /* Reset GPIO pin number */
+	unsigned int vdd_18v_Pin; /* Vdd GPIO pin number */
+	unsigned int vcc_33v_Pin; /* Vcc GPIO pin number */
+	struct input_dev *input_dev;
+	int navigation_enable;
+	int pars_dtsi_done;
+	int platforminit_done;
+	int gpio_irq;
+	spinlock_t irq_lock;
+	int request_irq_done;
+	struct wakeup_source wakeup_source_fp;
+	int ctrl_power;
+	int pwr_by_gpio;
+	int power_enable;
+	int screen_onoff;
+	struct regulator *vcc;
+	struct regulator *vdd;
+	uint32_t regulator_current;
+	uint32_t regulator_voltage_max;
+	uint32_t regulator_voltage_min;
+	int clk_enabled;
+	struct egisfp_interrupt_desc_t fps_ints;
+	int clk_speed;
+	struct pinctrl *pinctrl;
+	struct pinctrl_state *spi_active;
+	struct pinctrl_state *spi_default;
+	struct pinctrl_state *reset_high;
+	struct pinctrl_state *reset_low;
+	struct pinctrl_state *vcc_high;
+	struct pinctrl_state *vcc_low;
+	struct pinctrl_state *irq_active;
+	struct notifier_block notifier;
+};
+
+int egisfp_platforminit(struct egisfp_dev_t *egis_dev);
+int egisfp_platformfree(struct egisfp_dev_t *egis_dev);
+/* interrupt init */
+int egisfp_interrupt_init(struct egisfp_dev_t *egis_dev, int int_mode, int detect_period, int detect_threshold);
+/* interrupt free */
+int egisfp_interrupt_free(struct egisfp_dev_t *egis_dev);
+void egisfp_interrupt_abort(struct egisfp_dev_t *egis_dev);
+unsigned int egisfp_interrupt_poll(struct file *file, struct poll_table_struct *wait);
+int egisfp_parse_dt(struct egisfp_dev_t *egis_dev);
+int do_egisfp_power_onoff(struct egisfp_dev_t *egis_dev, struct egisfp_ioctl_cmd_t *ioctl_data);
+int do_egisfp_reset(struct egisfp_dev_t *egis_dev);
+int do_egisfp_reset_set(struct egisfp_dev_t *egis_dev, int reset_high_low);
+int egisfp_check_ioctl_permission(struct egisfp_dev_t *egis_dev, unsigned int cmd);
+int egisfp_set_screen_onoff(int on);
+#endif

drivers/input/misc/rbs_fps_mmi/generator_condition.txt

@@ -0,0 +1 @@
+lenovo;ET528;ET5XX;QCOM_PLATFORM;USE_PIN_CTRL;EGIS_DEBUG