DLKM:add anc_fps_mmi driver

Reason: fps bringup work
add anc_fps_mmi for JV0301

Change-Id: I17dadeccd45fc461f4800fd50e659bd1d217bd20
Signed-off-by: chenlj2 <chenlj2@motorola.com>
Reviewed-on: https://gerrit.mot.com/2735787
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Yan Zhang <zhangy26@motorola.com>
Reviewed-by: Tao Sun <suntao2@motorola.com>
Submit-Approved: Jira Key

drivers/input/misc/anc_fps_mmi/Android.mk

@@ -0,0 +1,14 @@
+DLKM_DIR := motorola/kernel/modules
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := anc_fps_mmi.ko
+LOCAL_MODULE_TAGS := optional
+LOCAL_MODULE_PATH := $(KERNEL_MODULES_OUT)
+ifneq ($(findstring mmi_relay.ko,$(BOARD_VENDOR_KERNEL_MODULES)),)
+    KERNEL_CFLAGS += CONFIG_MMI_RELAY=y
+    LOCAL_ADDITIONAL_DEPENDENCIES := $(KERNEL_MODULES_OUT)/mmi_relay.ko
+endif
+KBUILD_OPTIONS_GKI += GKI_OBJ_MODULE_DIR=gki
+include $(DLKM_DIR)/AndroidKernelModule.mk
+

drivers/input/misc/anc_fps_mmi/Kbuild

@@ -0,0 +1,14 @@
+# add -Wall to try to catch everything we can.
+EXTRA_CFLAGS += -Wall
+EXTRA_CFLAGS += -DCONFIG_PM_WAKELOCKS
+EXTRA_CFLAGS += -I$(ANDROID_BUILD_TOP)/motorola/kernel/modules/include \
+
+ifneq ($(filter m y,$(CONFIG_MMI_RELAY)),)
+	EXTRA_CFLAGS += -DMMI_RELAY_MODULE
+endif
+
+anc_fps_mmi-y += jiiov_platform.o jiiov_netlink.o custom.o
+
+obj-m += anc_fps_mmi.o
+
+KBUILD_EXTRA_SYMBOLS += $(CURDIR)/$(KBUILD_EXTMOD)/../../../mmi_relay/$(GKI_OBJ_MODULE_DIR)/Module.symvers

drivers/input/misc/anc_fps_mmi/Makefile

@@ -0,0 +1,14 @@
+all: modules
+
+modules:
+	$(MAKE) -C $(KERNEL_SRC) M=$(M) modules $(KBUILD_OPTIONS)
+
+modules_install:
+	$(MAKE) INSTALL_MOD_STRIP=1 -C $(KERNEL_SRC) M=$(M) modules_install
+
+%:
+	$(MAKE) -C $(KERNEL_SRC) M=$(M) $@ $(KBUILD_OPTIONS)
+
+clean:
+	rm -f *.o *.ko *.mod.c *.mod.o *~ .*.cmd Module.symvers
+	rm -rf .tmp_versions

drivers/input/misc/anc_fps_mmi/custom.c

@@ -0,0 +1,12 @@
+#define LOG_TAG "[ANC][custom]"
+
+#include <linux/kernel.h>
+
+// clang-format off
+#include "jiiov_log.h"
+#include "jiiov_platform.h"
+// clang-format on
+
+int custom_send_command(CUSTOM_COMMAND cmd, void *p_param) {
+    return 0;
+}

drivers/input/misc/anc_fps_mmi/jiiov_config.h

@@ -0,0 +1,20 @@
+#ifndef __JIIOV_CONFIG_H__
+#define __JIIOV_CONFIG_H__
+
+/*Define the macro when using ree spi*/
+// #define ANC_USE_REE_SPI
+
+/*Define the macro when using navigation function*/
+// #define ANC_SUPPORT_NAVIGATION_EVENT
+
+/*Define the macro to adapt to the project platform*/
+// #define QSEE_PLATFORM
+// #define MTK_PLATFORM
+// #define TRUSTY_PLATFORM
+// #define SAMSUNG_PLATFORM
+
+/*Define the macro to adapt to sensor type*/
+// #define CAPACITIVE
+// #define OPTICAL
+
+#endif

drivers/input/misc/anc_fps_mmi/jiiov_log.h

@@ -0,0 +1,13 @@
+#ifndef __JIIOV_LOG_H__
+#define __JIIOV_LOG_H__
+
+#define ANC_LOGD(format, ...) \
+    printk(KERN_DEBUG "[D][ANC_DRIVER][%s] " format "\n", __func__, ##__VA_ARGS__)
+#define ANC_LOGI(format, ...) \
+    printk(KERN_INFO "[I][ANC_DRIVER][%s] " format "\n", __func__, ##__VA_ARGS__)
+#define ANC_LOGW(format, ...) \
+    printk(KERN_WARNING "[W][ANC_DRIVER][%s] " format "\n", __func__, ##__VA_ARGS__)
+#define ANC_LOGE(format, ...) \
+    printk(KERN_ERR "[E][ANC_DRIVER][%s] " format "\n", __func__, ##__VA_ARGS__)
+
+#endif

drivers/input/misc/anc_fps_mmi/jiiov_netlink.c

@@ -0,0 +1,108 @@
+/**
+ * Netlink interface for JIIOV's fingerprint sensor.
+ *
+ * Copyright (C) 2020 JIIOV Corporation. <http://www.jiiov.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
+ * Public License for more details.
+ **/
+
+#include <linux/init.h>
+#include <linux/netlink.h>
+#include <linux/types.h>
+#include <net/sock.h>
+
+// clang-format off
+#include "jiiov_log.h"
+#include "jiiov_netlink.h"
+// clang-format on
+
+#define NETLINK_ANC 30
+#define USER_PORT 100
+
+static struct sock *gp_netlink_sock = NULL;
+extern struct net init_net;  // by default
+
+static int netlink_send_message(const char *p_buffer, uint16_t length) {
+    int ret = 0;
+    struct sk_buff *p_sk_buff = NULL;
+    struct nlmsghdr *p_nlmsghdr = NULL;
+
+    /* 创建sk_buff 空间 */
+    p_sk_buff = nlmsg_new(length, GFP_ATOMIC);
+    if (NULL == p_sk_buff) {
+        ANC_LOGE("netlink alloc failure");
+        return -1;
+    }
+
+    /* 设置netlink消息头部 */
+    p_nlmsghdr = nlmsg_put(p_sk_buff, 0, 0, NETLINK_ANC, length, 0);
+    if (NULL == p_nlmsghdr) {
+        ANC_LOGE("nlmsg_put failaure");
+        nlmsg_free(p_sk_buff);
+        return -1;
+    }
+
+    /* 拷贝数据发送 */
+    memcpy(nlmsg_data(p_nlmsghdr), p_buffer, length);
+    ret = netlink_unicast(gp_netlink_sock, p_sk_buff, USER_PORT, MSG_DONTWAIT);
+
+    return ret;
+}
+
+int netlink_send_message_to_user(const char *p_buffer, size_t length) {
+    int ret = -1;
+
+    if ((NULL != p_buffer) && (length > 0)) {
+        ANC_LOGE("send message to user: %d", *p_buffer);
+        ret = netlink_send_message(p_buffer, length);
+    }
+
+    return ret;
+}
+
+static void netlink_receive_message(struct sk_buff *p_sk_buffer) {
+    struct nlmsghdr *nlh = NULL;
+    char *p_user_message = NULL;
+
+    if (p_sk_buffer->len >= nlmsg_total_size(0)) {
+        nlh = nlmsg_hdr(p_sk_buffer);
+        p_user_message = NLMSG_DATA(nlh);
+        if (p_user_message) {
+            ANC_LOGE("received message:%s, length:%lu", p_user_message, strlen(p_user_message));
+            netlink_send_message_to_user(p_user_message, strlen(p_user_message));
+        }
+    }
+}
+
+static struct netlink_kernel_cfg g_netlink_kernel_config = {
+    .input = netlink_receive_message, /* set recv callback */
+};
+
+int anc_netlink_init(void) {
+    /* create netlink socket */
+    gp_netlink_sock =
+        (struct sock *)netlink_kernel_create(&init_net, NETLINK_ANC, &g_netlink_kernel_config);
+    if (NULL == gp_netlink_sock) {
+        ANC_LOGE("netlink_kernel_create error !");
+        return -1;
+    }
+    ANC_LOGD("anc_netlink_init");
+
+    return 0;
+}
+
+void anc_netlink_exit(void) {
+    if (NULL != gp_netlink_sock) {
+        netlink_kernel_release(gp_netlink_sock); /* release ..*/
+        gp_netlink_sock = NULL;
+    }
+    ANC_LOGD("anc_netlink_exit!");
+}

drivers/input/misc/anc_fps_mmi/jiiov_netlink.h

@@ -0,0 +1,21 @@
+#ifndef __JIIOV_NETLINK_H__
+#define __JIIOV_NETLINK_H__
+
+typedef enum {
+    ANC_NETLINK_EVENT_TEST = 0,
+    ANC_NETLINK_EVENT_IRQ,
+    ANC_NETLINK_EVENT_SCR_OFF,
+    ANC_NETLINK_EVENT_SCR_ON,
+    ANC_NETLINK_EVENT_TOUCH_DOWN,
+    ANC_NETLINK_EVENT_TOUCH_UP,
+    ANC_NETLINK_EVENT_UI_READY,
+    ANC_NETLINK_EVENT_EXIT,
+    ANC_NETLINK_EVENT_INVALID,
+    ANC_NETLINK_EVENT_MAX
+} ANC_NETLINK_EVENT_TYPE;
+
+int netlink_send_message_to_user(const char *p_buffer, size_t length);
+int anc_netlink_init(void);
+void anc_netlink_exit(void);
+
+#endif

drivers/input/misc/anc_fps_mmi/jiiov_platform.h

@@ -0,0 +1,30 @@
+/**
+ * User space driver API for JIIOV's fingerprint sensor.
+ *
+ * Copyright (C) 2020 JIIOV Corporation. <http://www.jiiov.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
+ * Public License for more details.
+ **/
+
+#ifndef __JIIOV_PLATFORM_H__
+#define __JIIOV_PLATFORM_H__
+
+#define ANC_WAKELOCK_HOLD_TIME 500 /* ms */
+typedef enum {
+    CUSTOM_COMMAND_INIT,
+    CUSTOM_COMMAND_CLEAR_TOUCH_STATE,
+    CUSTOM_COMMAND_SET_PRODUCT_ID,
+    CUSTOM_COMMAND_DEINIT,
+} CUSTOM_COMMAND;
+
+int custom_send_command(CUSTOM_COMMAND cmd, void *p_param);
+
+#endif /* __JIIOV_PLATFORM_H__ */