xref: /kernel/linux/patches/linux-4.19/common_patch/hdf.patch

diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
index 69e7c8d4a..6bdc118dd 100644
--- a/arch/arm64/kernel/vmlinux.lds.S
+++ b/arch/arm64/kernel/vmlinux.lds.S
@@ -176,6 +176,15 @@ SECTIONS
 		INIT_RAM_FS
 		*(.init.rodata.* .init.bss)	/* from the EFI stub */
 	}
+
+#ifdef CONFIG_DRIVERS_HDF
+	.init.hdf_table : {
+		_hdf_drivers_start = .;
+		*(.hdf.driver)
+		_hdf_drivers_end = .;
+	}
+#endif
+
 	.exit.data : {
 		ARM_EXIT_KEEP(EXIT_DATA)
 	}
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index 23150c0f0..2780470c5 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -121,6 +121,14 @@ SECTIONS
 		__pv_table_end = .;
 	}
 
+#ifdef CONFIG_DRIVERS_HDF
+	.init.hdf_table : {
+		_hdf_drivers_start = .;
+		*(.hdf.driver)
+		_hdf_drivers_end = .;
+	}
+#endif
+
 	INIT_DATA_SECTION(16)
 
 	.exit.data : {
diff --git a/drivers/Kconfig b/drivers/Kconfig
index ab4d43923..70fade369 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -217,6 +217,8 @@ source "drivers/visorbus/Kconfig"
 
 source "drivers/siox/Kconfig"
 
+source "drivers/hdf/khdf/Kconfig"
+
 source "drivers/slimbus/Kconfig"
 
 endmenu
diff --git a/drivers/Makefile b/drivers/Makefile
index 578f469f7..f4aae6a3a 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -185,4 +185,5 @@ obj-$(CONFIG_TEE)		+= tee/
 obj-$(CONFIG_MULTIPLEXER)	+= mux/
 obj-$(CONFIG_UNISYS_VISORBUS)	+= visorbus/
 obj-$(CONFIG_SIOX)		+= siox/
+obj-$(CONFIG_DRIVERS_HDF)	+= hdf/
 obj-$(CONFIG_GNSS)		+= gnss/
diff --git a/drivers/hdf/Makefile b/drivers/hdf/Makefile
new file mode 100644
index 000000000..01ce6ab52
--- /dev/null
+++ b/drivers/hdf/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_DRIVERS_HDF) += khdf/
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index bd7ac53b7..d7efd1e3d 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -2,6 +2,19 @@
 #
 # Makefile for the HID driver
 #
+HDF_ROOT_DIR = -Idrivers/hdf
+ccflags-$(CONFIG_DRIVERS_HDF_INPUT) += $(HDF_ROOT_DIR)/framework/model/input/driver \
+             $(HDF_ROOT_DIR)/framework/include/core \
+             $(HDF_ROOT_DIR)/framework/core/common/include/host \
+             $(HDF_ROOT_DIR)/framework/include/utils \
+             $(HDF_ROOT_DIR)/framework/include/osal \
+             $(HDF_ROOT_DIR)/framework/ability/sbuf/include \
+             $(HDF_ROOT_DIR)/inner_api/utils \
+             $(HDF_ROOT_DIR)/inner_api/osal/shared \
+             $(HDF_ROOT_DIR)/inner_api/host/shared \
+             $(HDF_ROOT_DIR)/inner_api/core \
+             $(HDF_ROOT_DIR)/khdf/osal/include \
+             -I../../../../../third_party/FreeBSD/sys/dev/evdev
 hid-y			:= hid-core.o hid-input.o hid-quirks.o
 hid-$(CONFIG_DEBUG_FS)		+= hid-debug.o
 
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index bde5cef32..1cf2e9b9c 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -36,6 +36,9 @@
 #include <linux/hid-debug.h>
 #include <linux/hidraw.h>
 
+#if defined(CONFIG_DRIVERS_HDF_INPUT)
+#include "hdf_hid_adapter.h"
+#endif
 #include "hid-ids.h"
 
 /*
@@ -1340,6 +1343,11 @@ static void hid_process_event(struct hid_device *hid, struct hid_field *field,
 		hidinput_hid_event(hid, field, usage, value);
 	if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
 		hid->hiddev_hid_event(hid, field, usage, value);
+#if defined(CONFIG_DRIVERS_HDF_INPUT)
+	if (hid->input_dev) {
+		HidReportEvent(hid->input_dev, usage->type, usage->code, value);
+	}
+#endif
 }
 
 /*
@@ -1743,6 +1751,81 @@ static const struct device_attribute dev_attr_country = {
 	.show = show_country,
 };
 
+#if defined(CONFIG_DRIVERS_HDF_INPUT)
+static bool check_mouse(char *name)
+{
+	static char *option[]={"Mouse", "mouse", "MOUSE", "Razer"};
+	for (int i = 0; i < 4; i++) {
+		if (strstr(name, option[i]))
+			return true;
+	}
+	return false;
+}
+static bool check_kbd(char *name)
+{
+	static char *option[]={"Keyboard", "keyboard"};
+	for (int i = 0; i < 2; i++) {
+		if (strstr(name, option[i]))
+			return true;
+	}
+	return false;
+}
+static bool check_rocker(char *name)
+{
+	static char *option[]={"Thrustmaster"};
+	for (int i = 0; i < 1; i++) {
+		if (strstr(name, option[i]))
+			return true;
+	}
+	return false;
+}
+static bool check_encoder(char *name)
+{
+	if (strcmp(name, "Wired KeyBoard") == 0) {
+		return true;
+	}
+	return false;
+}
+static bool check_trackball(char *name)
+{
+	static char *option[]={"Trackball"};
+	for (int i = 0; i < 1; i++) {
+		if (strstr(name, option[i]))
+			return true;
+	}
+	return false;
+}
+static void notify_connect_event(struct hid_device *hdev)
+{
+	bool check;
+	int type = -1;
+	HidInfo *dev = (HidInfo *)kmalloc(sizeof(HidInfo), GFP_KERNEL);
+	if (dev == NULL) {
+		printk("%s: malloc failed", __func__);
+		return;
+	}
+	type = check_mouse(hdev->name)?HID_TYPE_MOUSE:type;
+	type = check_kbd(hdev->name)?HID_TYPE_KEYBOARD:type;
+	type = check_rocker(hdev->name)?HID_TYPE_ROCKER:type;
+	type = check_encoder(hdev->name)?HID_TYPE_ENCODER:type;
+	type = check_trackball(hdev->name)?HID_TYPE_TRACKBALL:type;
+	if ( type < 0) {
+		kfree(dev);
+		dev = NULL;
+		return;
+	}
+
+	dev->devType = type;
+	dev->devName = hdev->name;
+	hdev->input_dev = HidRegisterHdfInputDev(dev);
+	if (hdev->input_dev == NULL) {
+		printk("%s: RegisterInputDevice failed\n", __func__);
+	}
+	kfree(dev);
+	dev = NULL;
+}
+#endif
+
 int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
 {
 	static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
@@ -1832,6 +1915,9 @@ int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
 	hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
 		 buf, bus, hdev->version >> 8, hdev->version & 0xff,
 		 type, hdev->name, hdev->phys);
+#if defined(CONFIG_DRIVERS_HDF_INPUT)
+	notify_connect_event(hdev);
+#endif
 
 	return 0;
 }
@@ -1847,6 +1933,10 @@ void hid_disconnect(struct hid_device *hdev)
 	if (hdev->claimed & HID_CLAIMED_HIDRAW)
 		hidraw_disconnect(hdev);
 	hdev->claimed = 0;
+#if defined(CONFIG_DRIVERS_HDF_INPUT)
+	if (hdev->input_dev)
+		HidUnregisterHdfInputDev(hdev->input_dev);
+#endif
 }
 EXPORT_SYMBOL_GPL(hid_disconnect);
 
@@ -1931,6 +2021,11 @@ EXPORT_SYMBOL_GPL(hid_hw_open);
  */
 void hid_hw_close(struct hid_device *hdev)
 {
+#if defined(CONFIG_DRIVERS_HDF_INPUT)
+	if (hdev->input_dev) {
+		return;
+	}
+#endif
 	mutex_lock(&hdev->ll_open_lock);
 	if (!--hdev->ll_open_count)
 		hdev->ll_driver->close(hdev);
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 11bd2ca22..a5d0d6c19 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -32,6 +32,10 @@
 #include <linux/hid.h>
 #include <linux/hid-debug.h>
 
+#if defined(CONFIG_DRIVERS_HDF_INPUT)
+#include "hdf_hid_adapter.h"
+#endif
+
 #include "hid-ids.h"
 
 #define unk	KEY_UNKNOWN
@@ -1365,7 +1369,15 @@ void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
 		return;
 
 	list_for_each_entry(hidinput, &hid->inputs, list)
+#if defined(CONFIG_DRIVERS_HDF_INPUT)
+	{
+#endif
 		input_sync(hidinput->input);
+#if defined(CONFIG_DRIVERS_HDF_INPUT)
+		if(hid->input_dev)
+			HidReportEvent(hid->input_dev, EV_SYN, SYN_REPORT, 0);
+	}
+#endif
 }
 EXPORT_SYMBOL_GPL(hidinput_report_event);
 
@@ -1729,6 +1741,41 @@ static inline void hidinput_configure_usages(struct hid_input *hidinput,
 						 report->field[i]->usage + j);
 }
 
+#if defined(CONFIG_DRIVERS_HDF_INPUT)
+static void transfer_info(struct input_dev *dev)
+{
+	HidInfo *info = (HidInfo *)kmalloc(sizeof(HidInfo),GFP_KERNEL);
+	if (info == NULL) {
+		printk("%s: malloc failed\n",__func__);
+		return;
+	}
+	info->devName = dev->name;
+	memcpy(info->devProp, dev->propbit, sizeof(unsigned long) * BITS_TO_LONGS(INPUT_PROP_CNT));
+	memcpy(info->eventType, dev->evbit, sizeof(unsigned long) * BITS_TO_LONGS(EV_CNT));
+	memcpy(info->keyCode, dev->keybit, sizeof(unsigned long) * BITS_TO_LONGS(KEY_CNT));
+	memcpy(info->relCode, dev->relbit, sizeof(unsigned long) * BITS_TO_LONGS(REL_CNT));
+	memcpy(info->absCode, dev->absbit, sizeof(unsigned long) * BITS_TO_LONGS(ABS_CNT));
+	memcpy(info->miscCode, dev->mscbit, sizeof(unsigned long) * BITS_TO_LONGS(MSC_CNT));
+	memcpy(info->ledCode, dev->ledbit, sizeof(unsigned long) * BITS_TO_LONGS(LED_CNT));
+	memcpy(info->soundCode, dev->sndbit, sizeof(unsigned long) * BITS_TO_LONGS(SND_CNT));
+	memcpy(info->forceCode, dev->ffbit, sizeof(unsigned long) * BITS_TO_LONGS(FF_CNT));
+	memcpy(info->switchCode, dev->swbit, sizeof(unsigned long) * BITS_TO_LONGS(SW_CNT));
+	for (int i = 0; i < BITS_TO_LONGS(ABS_CNT); i++) {
+        if (dev->absbit[i] != 0) {
+            memcpy(info->axisInfo, dev->absinfo, sizeof(struct input_absinfo) * ABS_CNT);
+            break;
+        }
+    }
+	info->bustype = dev->id.bustype;
+	info->vendor = dev->id.vendor;
+	info->product = dev->id.product;
+	info->version = dev->id.version;
+	SendInfoToHdf(info);
+	kfree(info);
+	info = NULL;
+}
+#endif
+
 /*
  * Register the input device; print a message.
  * Configure the input layer interface
@@ -1811,7 +1858,9 @@ int hidinput_connect(struct hid_device *hid, unsigned int force)
 			hidinput_cleanup_hidinput(hid, hidinput);
 			continue;
 		}
-
+#if defined(CONFIG_DRIVERS_HDF_INPUT)
+		transfer_info(hidinput->input);
+#endif
 		if (input_register_device(hidinput->input))
 			goto out_unwind;
 		hidinput->registered = true;
diff --git a/include/linux/hid.h b/include/linux/hid.h
index a46b6832b..c61a17de5 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -621,6 +621,7 @@ struct hid_device {							/* device report descriptor */
 	struct list_head debug_list;
 	spinlock_t  debug_list_lock;
 	wait_queue_head_t debug_wait;
+	void *input_dev;
 };
 
 #define to_hid_device(pdev) \
-- 
2.25.1