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build/patch/kernel/archive/odroidxu4-5.13/0010-ODROID-COMMON-input-touchscreen-Add-D-WAV-Multitouch.patch

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From c3d50a31b79e1937445f80410c084180a934cd9c Mon Sep 17 00:00:00 2001
From: Hyeonki Hong <hhk7734@gmail.com>
Date: Thu, 5 Mar 2020 19:01:43 +0900
Subject: [PATCH 010/109] ODROID-COMMON: input/touchscreen: Add D-WAV
Multitouch driver.
Change-Id: Ia1c8c29d3f69c6ba5d630279c4cc98119b68ab71
---
drivers/hid/hid-ids.h | 6 +
drivers/hid/hid-quirks.c | 4 +
drivers/input/touchscreen/Kconfig | 10 +
drivers/input/touchscreen/Makefile | 1 +
drivers/input/touchscreen/dwav-usb-mt.c | 554 ++++++++++++++++++++++++
5 files changed, 575 insertions(+)
create mode 100644 drivers/input/touchscreen/dwav-usb-mt.c
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 67fd8a2f5aba..7d9909b9cd11 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -1333,4 +1333,10 @@
#define USB_VENDOR_ID_SIGNOTEC 0x2133
#define USB_DEVICE_ID_SIGNOTEC_VIEWSONIC_PD1011 0x0018
+#define USB_DEVICE_ID_DWAV_MULTITOUCH 0x0005
+
+#define USB_VENDOR_ID_ODROID 0x16b4
+#define USB_DEVICE_ID_VU5 0x0704
+#define USB_DEVICE_ID_VU7PLUS 0x0705
+
#endif
diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
index 1a9daf03dbfa..4033de7c2de1 100644
--- a/drivers/hid/hid-quirks.c
+++ b/drivers/hid/hid-quirks.c
@@ -858,6 +858,10 @@ static const struct hid_device_id hid_ignore_list[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
#endif
{ HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
+
+ { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_MULTITOUCH) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ODROID, USB_DEVICE_ID_VU5) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ODROID, USB_DEVICE_ID_VU7PLUS) },
{ }
};
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 529614d364fe..3b371f3a90fd 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -1335,4 +1335,14 @@ config TOUCHSCREEN_ZINITIX
To compile this driver as a module, choose M here: the
module will be called zinitix.
+config TOUCHSCREEN_DWAV_USB_MT
+ tristate "D-WAV Scientific USB MultiTouch"
+ depends on USB_ARCH_HAS_HCD
+ select USB
+ help
+ Say Y here if you have a D-WAV Scientific USB(HID) based MultiTouch
+ controller.
+
+ module will be called dwav-usb-mt.
+
endif
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
index 6233541e9173..da1bea809cd9 100644
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -112,3 +112,4 @@ obj-$(CONFIG_TOUCHSCREEN_ROHM_BU21023) += rohm_bu21023.o
obj-$(CONFIG_TOUCHSCREEN_RASPBERRYPI_FW) += raspberrypi-ts.o
obj-$(CONFIG_TOUCHSCREEN_IQS5XX) += iqs5xx.o
obj-$(CONFIG_TOUCHSCREEN_ZINITIX) += zinitix.o
+obj-$(CONFIG_TOUCHSCREEN_DWAV_USB_MT) += dwav-usb-mt.o
diff --git a/drivers/input/touchscreen/dwav-usb-mt.c b/drivers/input/touchscreen/dwav-usb-mt.c
new file mode 100644
index 000000000000..7ec8b6dd15fd
--- /dev/null
+++ b/drivers/input/touchscreen/dwav-usb-mt.c
@@ -0,0 +1,554 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * D-WAV Scientific USB(HID) MultiTouch Screen Driver(Based on usbtouchscreen.c)
+ *
+ * Copyright (C) Hardkernel, 2015
+ */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/input.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/usb.h>
+#include <linux/usb/input.h>
+#include <linux/hid.h>
+
+#include <linux/input/mt.h>
+
+#define USB_VENDOR_ID_DWAV 0x0eef /* 800 x 480, 7" DWAV touch */
+#define USB_DEVICE_ID_VU7 0x0005
+
+#define USB_VENDOR_ID_ODROID 0x16b4
+#define USB_DEVICE_ID_VU5 0x0704
+#define USB_DEVICE_ID_VU7PLUS 0x0705
+
+enum {
+ ODROID_VU7 = 0, /* 800 x 480, 7" Touch */
+ ODROID_VU5, /* 800 x 480, 5" Touch */
+ ODROID_VU7PLUS, /* 1024 x 600, 7" Touch */
+};
+
+struct usbtouch_device_info {
+ char name[64];
+ int max_x;
+ int max_y;
+ int max_press;
+ int max_finger;
+};
+
+const struct usbtouch_device_info DEV_INFO[] = {
+ [ODROID_VU7] = {
+ .name = "ODROID VU7 MultiTouch(800x480)",
+ .max_x = 800,
+ .max_y = 480,
+ .max_press = 255,
+ .max_finger = 5,
+ },
+ [ODROID_VU5] = {
+ .name = "ODROID VU5 MultiTouch(800x480)",
+ .max_x = 800,
+ .max_y = 480,
+ .max_press = 255,
+ .max_finger = 5,
+ },
+ [ODROID_VU7PLUS] = {
+ .name = "ODROID VU7 Plus MultiTouch(1024x600)",
+ .max_x = 1024,
+ .max_y = 600,
+ .max_press = 255,
+ .max_finger = 5,
+ },
+};
+
+static const struct usb_device_id dwav_usb_mt_devices[] = {
+ {USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_VU7),
+ .driver_info = ODROID_VU7},
+ {USB_DEVICE(USB_VENDOR_ID_ODROID, USB_DEVICE_ID_VU5),
+ .driver_info = ODROID_VU5},
+ {USB_DEVICE(USB_VENDOR_ID_ODROID, USB_DEVICE_ID_VU7PLUS),
+ .driver_info = ODROID_VU7PLUS},
+ {}
+};
+
+struct dwav_raw { /* Total 25 bytes */
+ unsigned char header; /* frame header 0xAA*/
+ unsigned char press;
+ /* Touch flag (1:valid touch data, 0:touch finished) */
+ unsigned short x1; /* 1st x */
+ unsigned short y1; /* 1st y */
+ unsigned char end;
+ /* 1st touch finish flags 0xBB, RPI only uses the first 7 bytes */
+ unsigned char ids; /* touch ID(bit field) */
+ unsigned short y2;
+ unsigned short x2;
+ unsigned short y3;
+ unsigned short x3;
+ unsigned short y4;
+ unsigned short x4;
+ unsigned short y5;
+ unsigned short x5;
+ unsigned char tail; /* frame end 0xCC */
+};
+
+#define TS_EVENT_UNKNOWN 0x00
+#define TS_EVENT_PRESS 0x01
+#define TS_EVENT_RELEASE 0x02
+
+struct finger_t {
+ unsigned int status; /* ts event type */
+ unsigned int x; /* ts data x */
+ unsigned int y; /* ts data y */
+} __packed;
+
+struct dwav_usb_mt {
+ char name[128], phys[64];
+
+ int dev_id;
+ /* for URB Data DMA */
+ dma_addr_t data_dma;
+ unsigned char *data;
+ int data_size;
+
+ struct urb *irq;
+ struct usb_interface *interface;
+ struct input_dev *input;
+
+ struct finger_t *finger;
+};
+
+static void dwav_usb_mt_report(struct dwav_usb_mt *dwav_usb_mt)
+{
+ int id, max_x, max_y, max_press, max_finger;
+
+ max_x = DEV_INFO[dwav_usb_mt->dev_id].max_x;
+ max_y = DEV_INFO[dwav_usb_mt->dev_id].max_y;
+ max_press = DEV_INFO[dwav_usb_mt->dev_id].max_press;
+ max_finger = DEV_INFO[dwav_usb_mt->dev_id].max_finger;
+
+ for (id = 0; id < max_finger; id++) {
+
+ if (dwav_usb_mt->finger[id].status == TS_EVENT_UNKNOWN)
+ continue;
+
+ if (dwav_usb_mt->finger[id].x >= max_x ||
+ dwav_usb_mt->finger[id].y >= max_y)
+ continue;
+
+ input_mt_slot(dwav_usb_mt->input, id);
+
+ if (dwav_usb_mt->finger[id].status != TS_EVENT_RELEASE) {
+ input_mt_report_slot_state(dwav_usb_mt->input,
+ MT_TOOL_FINGER, true);
+ input_report_abs(dwav_usb_mt->input,
+ ABS_MT_POSITION_X,
+ dwav_usb_mt->finger[id].x);
+ input_report_abs(dwav_usb_mt->input,
+ ABS_MT_POSITION_Y,
+ dwav_usb_mt->finger[id].y);
+ input_report_abs(dwav_usb_mt->input,
+ ABS_MT_PRESSURE,
+ max_press);
+ } else {
+ input_mt_report_slot_state(dwav_usb_mt->input,
+ MT_TOOL_FINGER, false);
+ dwav_usb_mt->finger[id].status = TS_EVENT_UNKNOWN;
+ }
+ input_mt_report_pointer_emulation(dwav_usb_mt->input, true);
+ input_sync(dwav_usb_mt->input);
+ }
+}
+
+static void dwav_usb_mt_process(struct dwav_usb_mt *dwav_usb_mt,
+ unsigned char *pkt, int len)
+{
+ struct dwav_raw *dwav_raw = (struct dwav_raw *)pkt;
+ unsigned char bit_mask, cnt;
+
+ for (cnt = 0, bit_mask = 0x01;
+ cnt < DEV_INFO[dwav_usb_mt->dev_id].max_finger;
+ cnt++, bit_mask <<= 1) {
+ if ((dwav_raw->ids & bit_mask) && dwav_raw->press) {
+ dwav_usb_mt->finger[cnt].status = TS_EVENT_PRESS;
+ switch (cnt) {
+ case 0:
+ dwav_usb_mt->finger[cnt].x
+ = cpu_to_be16(dwav_raw->x1);
+ dwav_usb_mt->finger[cnt].y
+ = cpu_to_be16(dwav_raw->y1);
+ break;
+ case 1:
+ dwav_usb_mt->finger[cnt].x
+ = cpu_to_be16(dwav_raw->x2);
+ dwav_usb_mt->finger[cnt].y
+ = cpu_to_be16(dwav_raw->y2);
+ break;
+ case 2:
+ dwav_usb_mt->finger[cnt].x
+ = cpu_to_be16(dwav_raw->x3);
+ dwav_usb_mt->finger[cnt].y
+ = cpu_to_be16(dwav_raw->y3);
+ break;
+ case 3:
+ dwav_usb_mt->finger[cnt].x
+ = cpu_to_be16(dwav_raw->x4);
+ dwav_usb_mt->finger[cnt].y
+ = cpu_to_be16(dwav_raw->y4);
+ break;
+ case 4:
+ dwav_usb_mt->finger[cnt].x
+ = cpu_to_be16(dwav_raw->x5);
+ dwav_usb_mt->finger[cnt].y
+ = cpu_to_be16(dwav_raw->y5);
+ break;
+ default:
+ break;
+ }
+ } else {
+ if (dwav_usb_mt->finger[cnt].status == TS_EVENT_PRESS)
+ dwav_usb_mt->finger[cnt].status
+ = TS_EVENT_RELEASE;
+ else
+ dwav_usb_mt->finger[cnt].status
+ = TS_EVENT_UNKNOWN;
+ }
+ }
+ dwav_usb_mt_report(dwav_usb_mt);
+}
+
+static void dwav_usb_mt_irq(struct urb *urb)
+{
+ struct dwav_usb_mt *dwav_usb_mt = urb->context;
+ struct device *dev = &dwav_usb_mt->interface->dev;
+ int retval;
+
+ switch (urb->status) {
+ case 0:
+ /* success */
+ break;
+ case -ETIME:
+ /* this urb is timing out */
+ dev_dbg(dev, "%s - urb timed out - was the device unplugged?\n",
+ __func__);
+ return;
+ case -ECONNRESET:
+ case -ENOENT:
+ case -ESHUTDOWN:
+ case -EPIPE:
+ /* this urb is terminated, clean up */
+ dev_dbg(dev, "%s - urb shutting down with status: %d\n",
+ __func__, urb->status);
+ return;
+ default:
+ dev_dbg(dev, "%s - nonzero urb status received: %d\n",
+ __func__, urb->status);
+ goto exit;
+ }
+
+ dwav_usb_mt_process(dwav_usb_mt, dwav_usb_mt->data, urb->actual_length);
+
+exit:
+ usb_mark_last_busy(interface_to_usbdev(dwav_usb_mt->interface));
+ retval = usb_submit_urb(urb, GFP_ATOMIC);
+ if (retval) {
+ dev_err(dev, "%s - usb_submit_urb failed with result: %d\n",
+ __func__, retval);
+ }
+}
+
+static int dwav_usb_mt_open(struct input_dev *input)
+{
+ struct dwav_usb_mt *dwav_usb_mt = input_get_drvdata(input);
+ int r;
+
+ dwav_usb_mt->irq->dev = interface_to_usbdev(dwav_usb_mt->interface);
+
+ r = usb_autopm_get_interface(dwav_usb_mt->interface) ? -EIO : 0;
+ if (r < 0)
+ goto out;
+
+ if (usb_submit_urb(dwav_usb_mt->irq, GFP_KERNEL)) {
+ r = -EIO;
+ goto out_put;
+ }
+
+ dwav_usb_mt->interface->needs_remote_wakeup = 1;
+out_put:
+ usb_autopm_put_interface(dwav_usb_mt->interface);
+out:
+ return r;
+}
+
+static void dwav_usb_mt_close(struct input_dev *input)
+{
+ struct dwav_usb_mt *dwav_usb_mt = input_get_drvdata(input);
+ int r;
+
+ usb_kill_urb(dwav_usb_mt->irq);
+
+ r = usb_autopm_get_interface(dwav_usb_mt->interface);
+
+ dwav_usb_mt->interface->needs_remote_wakeup = 0;
+ if (!r)
+ usb_autopm_put_interface(dwav_usb_mt->interface);
+}
+
+static int dwav_usb_mt_suspend(struct usb_interface *intf, pm_message_t message)
+{
+ struct dwav_usb_mt *dwav_usb_mt = usb_get_intfdata(intf);
+
+ usb_kill_urb(dwav_usb_mt->irq);
+
+ return 0;
+}
+
+static int dwav_usb_mt_resume(struct usb_interface *intf)
+{
+ struct dwav_usb_mt *dwav_usb_mt = usb_get_intfdata(intf);
+ struct input_dev *input = dwav_usb_mt->input;
+ int result = 0;
+
+ mutex_lock(&input->mutex);
+ if (input->users)
+ result = usb_submit_urb(dwav_usb_mt->irq, GFP_NOIO);
+ mutex_unlock(&input->mutex);
+
+ return result;
+}
+
+static int dwav_usb_mt_reset_resume(struct usb_interface *intf)
+{
+ struct dwav_usb_mt *dwav_usb_mt = usb_get_intfdata(intf);
+ struct input_dev *input = dwav_usb_mt->input;
+ int err = 0;
+
+ /* restart IO if needed */
+ mutex_lock(&input->mutex);
+ if (input->users)
+ err = usb_submit_urb(dwav_usb_mt->irq, GFP_NOIO);
+ mutex_unlock(&input->mutex);
+
+ return err;
+}
+
+static void dwav_usb_mt_free_buffers(struct usb_device *udev,
+ struct dwav_usb_mt *dwav_usb_mt)
+{
+ usb_free_coherent(udev, dwav_usb_mt->data_size,
+ dwav_usb_mt->data, dwav_usb_mt->data_dma);
+}
+
+static struct usb_endpoint_descriptor *dwav_usb_mt_get_input_endpoint(
+ struct usb_host_interface *interface)
+{
+ int i;
+
+ for (i = 0; i < interface->desc.bNumEndpoints; i++) {
+ if (usb_endpoint_dir_in(&interface->endpoint[i].desc))
+ return &interface->endpoint[i].desc;
+ }
+
+ return NULL;
+}
+
+static int dwav_usb_mt_init(struct dwav_usb_mt *dwav_usb_mt, void *dev)
+{
+ int err;
+ struct input_dev *input_dev = (struct input_dev *)dev;
+
+ input_dev->name = dwav_usb_mt->name;
+ input_dev->phys = dwav_usb_mt->phys;
+
+ input_set_drvdata(input_dev, dwav_usb_mt);
+
+ input_dev->open = dwav_usb_mt_open;
+ input_dev->close = dwav_usb_mt_close;
+
+ input_dev->id.bustype = BUS_USB;
+
+ /* single touch */
+ input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+ input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
+
+ input_set_abs_params(input_dev, ABS_X, 0,
+ DEV_INFO[dwav_usb_mt->dev_id].max_x, 0, 0);
+ input_set_abs_params(input_dev, ABS_Y, 0,
+ DEV_INFO[dwav_usb_mt->dev_id].max_y, 0, 0);
+
+ /* multi touch */
+ input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0,
+ DEV_INFO[dwav_usb_mt->dev_id].max_x, 0, 0);
+ input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0,
+ DEV_INFO[dwav_usb_mt->dev_id].max_y, 0, 0);
+ input_mt_init_slots(input_dev,
+ DEV_INFO[dwav_usb_mt->dev_id].max_finger, 0);
+
+ err = input_register_device(input_dev);
+ if (err) {
+ pr_err("%s - input_register_device failed, err: %d\n",
+ __func__, err);
+ return err;
+ }
+
+ dwav_usb_mt->input = input_dev;
+
+ return 0;
+}
+
+static int dwav_usb_mt_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ struct dwav_usb_mt *dwav_usb_mt = NULL;
+ struct input_dev *input_dev = NULL;
+ struct usb_endpoint_descriptor *endpoint;
+ struct usb_device *udev = interface_to_usbdev(intf);
+
+ int err = 0;
+
+ endpoint = dwav_usb_mt_get_input_endpoint(intf->cur_altsetting);
+ if (!endpoint)
+ return -ENXIO;
+
+ dwav_usb_mt = kzalloc(sizeof(struct dwav_usb_mt), GFP_KERNEL);
+ if (!dwav_usb_mt)
+ return -ENOMEM;
+
+ dwav_usb_mt->dev_id = id->driver_info;
+
+ dwav_usb_mt->finger = kzalloc(sizeof(struct finger_t) *
+ DEV_INFO[dwav_usb_mt->dev_id].max_finger,
+ GFP_KERNEL);
+
+ if (!dwav_usb_mt->finger)
+ goto err_free_mem;
+
+ input_dev = input_allocate_device();
+ if (!input_dev)
+ goto err_free_mem;
+
+ dwav_usb_mt->data_size = sizeof(struct dwav_raw);
+ dwav_usb_mt->data = usb_alloc_coherent(udev, dwav_usb_mt->data_size,
+ GFP_KERNEL, &dwav_usb_mt->data_dma);
+ if (!dwav_usb_mt->data)
+ goto err_free_mem;
+
+ dwav_usb_mt->irq = usb_alloc_urb(0, GFP_KERNEL);
+ if (!dwav_usb_mt->irq) {
+ dev_dbg(&intf->dev,
+ "%s - usb_alloc_urb failed: usbtouch->irq\n",
+ __func__);
+ goto err_free_buffers;
+ }
+
+ if (usb_endpoint_type(endpoint) == USB_ENDPOINT_XFER_INT) {
+ usb_fill_int_urb(dwav_usb_mt->irq, udev,
+ usb_rcvintpipe(udev, endpoint->bEndpointAddress),
+ dwav_usb_mt->data, dwav_usb_mt->data_size,
+ dwav_usb_mt_irq, dwav_usb_mt, endpoint->bInterval);
+ } else {
+ usb_fill_bulk_urb(dwav_usb_mt->irq, udev,
+ usb_rcvbulkpipe(udev, endpoint->bEndpointAddress),
+ dwav_usb_mt->data, dwav_usb_mt->data_size,
+ dwav_usb_mt_irq, dwav_usb_mt);
+ }
+
+ dwav_usb_mt->irq->dev = udev;
+ dwav_usb_mt->irq->transfer_dma = dwav_usb_mt->data_dma;
+ dwav_usb_mt->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+
+ dwav_usb_mt->interface = intf;
+
+ if (udev->manufacturer)
+ strlcpy(dwav_usb_mt->name,
+ udev->manufacturer, sizeof(dwav_usb_mt->name));
+
+ if (udev->product) {
+ if (udev->manufacturer)
+ strlcat(dwav_usb_mt->name,
+ " ", sizeof(dwav_usb_mt->name));
+
+ strlcat(dwav_usb_mt->name,
+ udev->product, sizeof(dwav_usb_mt->name));
+ }
+
+ if (!strlen(dwav_usb_mt->name)) {
+ snprintf(dwav_usb_mt->name, sizeof(dwav_usb_mt->name),
+ "D-WAV Scientific MultiTouch %04x:%04x",
+ le16_to_cpu(udev->descriptor.idVendor),
+ le16_to_cpu(udev->descriptor.idProduct));
+ }
+
+ usb_make_path(udev, dwav_usb_mt->phys, sizeof(dwav_usb_mt->phys));
+ strlcat(dwav_usb_mt->phys, "/input0", sizeof(dwav_usb_mt->phys));
+
+ usb_to_input_id(udev, &input_dev->id);
+
+ input_dev->dev.parent = &intf->dev;
+
+ err = dwav_usb_mt_init(dwav_usb_mt, (void *)input_dev);
+ if (err)
+ goto err_free_urb;
+
+ usb_set_intfdata(intf, dwav_usb_mt);
+
+ dev_info(&intf->dev, "%s\n", DEV_INFO[dwav_usb_mt->dev_id].name);
+
+ return 0;
+
+err_free_urb:
+ usb_free_urb(dwav_usb_mt->irq);
+
+err_free_buffers:
+ dwav_usb_mt_free_buffers(udev, dwav_usb_mt);
+
+err_free_mem:
+ if (input_dev)
+ input_free_device(input_dev);
+ kfree(dwav_usb_mt);
+
+ return err;
+}
+
+static void dwav_usb_mt_disconnect(struct usb_interface *intf)
+{
+ struct dwav_usb_mt *dwav_usb_mt = usb_get_intfdata(intf);
+
+ if (!dwav_usb_mt)
+ return;
+
+ dev_dbg(&intf->dev,
+ "%s - dwav_usb_mt is initialized, cleaning up\n",
+ __func__);
+
+ usb_set_intfdata(intf, NULL);
+
+ /* this will stop IO via close */
+ input_unregister_device(dwav_usb_mt->input);
+
+ usb_free_urb(dwav_usb_mt->irq);
+
+ dwav_usb_mt_free_buffers(interface_to_usbdev(intf), dwav_usb_mt);
+
+ kfree(dwav_usb_mt);
+}
+
+MODULE_DEVICE_TABLE(usb, dwav_usb_mt_devices);
+
+static struct usb_driver dwav_usb_mt_driver = {
+ .name = "dwav_usb_mt",
+ .probe = dwav_usb_mt_probe,
+ .disconnect = dwav_usb_mt_disconnect,
+ .suspend = dwav_usb_mt_suspend,
+ .resume = dwav_usb_mt_resume,
+ .reset_resume = dwav_usb_mt_reset_resume,
+ .id_table = dwav_usb_mt_devices,
+ .supports_autosuspend = 1,
+};
+
+module_usb_driver(dwav_usb_mt_driver);
+
+MODULE_AUTHOR("Hardkernel Co.,Ltd");
+MODULE_DESCRIPTION("D-WAV USB(HID) MultiTouch Driver");
+MODULE_LICENSE("GPL");
+
+MODULE_ALIAS("dwav_usb_mt");
\ No newline at end of file
--
2.25.1
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