[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/input/tablet/hanwang.c b/src/kernel/linux/v4.14/drivers/input/tablet/hanwang.c
new file mode 100644
index 0000000..df4bea9
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/input/tablet/hanwang.c
@@ -0,0 +1,464 @@
+/*
+ * USB Hanwang tablet support
+ *
+ * Copyright (c) 2010 Xing Wei <weixing@hanwang.com.cn>
+ *
+ */
+
+/*
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/usb/input.h>
+
+#define DRIVER_AUTHOR "Xing Wei <weixing@hanwang.com.cn>"
+#define DRIVER_DESC "USB Hanwang tablet driver"
+#define DRIVER_LICENSE "GPL"
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE(DRIVER_LICENSE);
+
+#define USB_VENDOR_ID_HANWANG 0x0b57
+#define HANWANG_TABLET_INT_CLASS 0x0003
+#define HANWANG_TABLET_INT_SUB_CLASS 0x0001
+#define HANWANG_TABLET_INT_PROTOCOL 0x0002
+
+#define ART_MASTER_PKGLEN_MAX 10
+
+/* device IDs */
+#define STYLUS_DEVICE_ID 0x02
+#define TOUCH_DEVICE_ID 0x03
+#define CURSOR_DEVICE_ID 0x06
+#define ERASER_DEVICE_ID 0x0A
+#define PAD_DEVICE_ID 0x0F
+
+/* match vendor and interface info */
+#define HANWANG_TABLET_DEVICE(vend, cl, sc, pr) \
+ .match_flags = USB_DEVICE_ID_MATCH_VENDOR \
+ | USB_DEVICE_ID_MATCH_INT_INFO, \
+ .idVendor = (vend), \
+ .bInterfaceClass = (cl), \
+ .bInterfaceSubClass = (sc), \
+ .bInterfaceProtocol = (pr)
+
+enum hanwang_tablet_type {
+ HANWANG_ART_MASTER_III,
+ HANWANG_ART_MASTER_HD,
+ HANWANG_ART_MASTER_II,
+};
+
+struct hanwang {
+ unsigned char *data;
+ dma_addr_t data_dma;
+ struct input_dev *dev;
+ struct usb_device *usbdev;
+ struct urb *irq;
+ const struct hanwang_features *features;
+ unsigned int current_tool;
+ unsigned int current_id;
+ char name[64];
+ char phys[32];
+};
+
+struct hanwang_features {
+ unsigned short pid;
+ char *name;
+ enum hanwang_tablet_type type;
+ int pkg_len;
+ int max_x;
+ int max_y;
+ int max_tilt_x;
+ int max_tilt_y;
+ int max_pressure;
+};
+
+static const struct hanwang_features features_array[] = {
+ { 0x8528, "Hanwang Art Master III 0906", HANWANG_ART_MASTER_III,
+ ART_MASTER_PKGLEN_MAX, 0x5757, 0x3692, 0x3f, 0x7f, 2048 },
+ { 0x8529, "Hanwang Art Master III 0604", HANWANG_ART_MASTER_III,
+ ART_MASTER_PKGLEN_MAX, 0x3d84, 0x2672, 0x3f, 0x7f, 2048 },
+ { 0x852a, "Hanwang Art Master III 1308", HANWANG_ART_MASTER_III,
+ ART_MASTER_PKGLEN_MAX, 0x7f00, 0x4f60, 0x3f, 0x7f, 2048 },
+ { 0x8401, "Hanwang Art Master HD 5012", HANWANG_ART_MASTER_HD,
+ ART_MASTER_PKGLEN_MAX, 0x678e, 0x4150, 0x3f, 0x7f, 1024 },
+ { 0x8503, "Hanwang Art Master II", HANWANG_ART_MASTER_II,
+ ART_MASTER_PKGLEN_MAX, 0x27de, 0x1cfe, 0x3f, 0x7f, 1024 },
+};
+
+static const int hw_eventtypes[] = {
+ EV_KEY, EV_ABS, EV_MSC,
+};
+
+static const int hw_absevents[] = {
+ ABS_X, ABS_Y, ABS_TILT_X, ABS_TILT_Y, ABS_WHEEL,
+ ABS_RX, ABS_RY, ABS_PRESSURE, ABS_MISC,
+};
+
+static const int hw_btnevents[] = {
+ BTN_STYLUS, BTN_STYLUS2, BTN_TOOL_PEN, BTN_TOOL_RUBBER,
+ BTN_TOOL_MOUSE, BTN_TOOL_FINGER,
+ BTN_0, BTN_1, BTN_2, BTN_3, BTN_4, BTN_5, BTN_6, BTN_7, BTN_8,
+};
+
+static const int hw_mscevents[] = {
+ MSC_SERIAL,
+};
+
+static void hanwang_parse_packet(struct hanwang *hanwang)
+{
+ unsigned char *data = hanwang->data;
+ struct input_dev *input_dev = hanwang->dev;
+ struct usb_device *dev = hanwang->usbdev;
+ enum hanwang_tablet_type type = hanwang->features->type;
+ int i;
+ u16 p;
+
+ if (type == HANWANG_ART_MASTER_II) {
+ hanwang->current_tool = BTN_TOOL_PEN;
+ hanwang->current_id = STYLUS_DEVICE_ID;
+ }
+
+ switch (data[0]) {
+ case 0x02: /* data packet */
+ switch (data[1]) {
+ case 0x80: /* tool prox out */
+ if (type != HANWANG_ART_MASTER_II) {
+ hanwang->current_id = 0;
+ input_report_key(input_dev,
+ hanwang->current_tool, 0);
+ }
+ break;
+
+ case 0x00: /* artmaster ii pen leave */
+ if (type == HANWANG_ART_MASTER_II) {
+ hanwang->current_id = 0;
+ input_report_key(input_dev,
+ hanwang->current_tool, 0);
+ }
+ break;
+
+ case 0xc2: /* first time tool prox in */
+ switch (data[3] & 0xf0) {
+ case 0x20: /* art_master III */
+ case 0x30: /* art_master_HD */
+ hanwang->current_id = STYLUS_DEVICE_ID;
+ hanwang->current_tool = BTN_TOOL_PEN;
+ input_report_key(input_dev, BTN_TOOL_PEN, 1);
+ break;
+ case 0xa0: /* art_master III */
+ case 0xb0: /* art_master_HD */
+ hanwang->current_id = ERASER_DEVICE_ID;
+ hanwang->current_tool = BTN_TOOL_RUBBER;
+ input_report_key(input_dev, BTN_TOOL_RUBBER, 1);
+ break;
+ default:
+ hanwang->current_id = 0;
+ dev_dbg(&dev->dev,
+ "unknown tablet tool %02x\n", data[0]);
+ break;
+ }
+ break;
+
+ default: /* tool data packet */
+ switch (type) {
+ case HANWANG_ART_MASTER_III:
+ p = (data[6] << 3) |
+ ((data[7] & 0xc0) >> 5) |
+ (data[1] & 0x01);
+ break;
+
+ case HANWANG_ART_MASTER_HD:
+ case HANWANG_ART_MASTER_II:
+ p = (data[7] >> 6) | (data[6] << 2);
+ break;
+
+ default:
+ p = 0;
+ break;
+ }
+
+ input_report_abs(input_dev, ABS_X,
+ be16_to_cpup((__be16 *)&data[2]));
+ input_report_abs(input_dev, ABS_Y,
+ be16_to_cpup((__be16 *)&data[4]));
+ input_report_abs(input_dev, ABS_PRESSURE, p);
+ input_report_abs(input_dev, ABS_TILT_X, data[7] & 0x3f);
+ input_report_abs(input_dev, ABS_TILT_Y, data[8] & 0x7f);
+ input_report_key(input_dev, BTN_STYLUS, data[1] & 0x02);
+
+ if (type != HANWANG_ART_MASTER_II)
+ input_report_key(input_dev, BTN_STYLUS2,
+ data[1] & 0x04);
+ else
+ input_report_key(input_dev, BTN_TOOL_PEN, 1);
+
+ break;
+ }
+
+ input_report_abs(input_dev, ABS_MISC, hanwang->current_id);
+ input_event(input_dev, EV_MSC, MSC_SERIAL,
+ hanwang->features->pid);
+ break;
+
+ case 0x0c:
+ /* roll wheel */
+ hanwang->current_id = PAD_DEVICE_ID;
+
+ switch (type) {
+ case HANWANG_ART_MASTER_III:
+ input_report_key(input_dev, BTN_TOOL_FINGER,
+ data[1] || data[2] || data[3]);
+ input_report_abs(input_dev, ABS_WHEEL, data[1]);
+ input_report_key(input_dev, BTN_0, data[2]);
+ for (i = 0; i < 8; i++)
+ input_report_key(input_dev,
+ BTN_1 + i, data[3] & (1 << i));
+ break;
+
+ case HANWANG_ART_MASTER_HD:
+ input_report_key(input_dev, BTN_TOOL_FINGER, data[1] ||
+ data[2] || data[3] || data[4] ||
+ data[5] || data[6]);
+ input_report_abs(input_dev, ABS_RX,
+ ((data[1] & 0x1f) << 8) | data[2]);
+ input_report_abs(input_dev, ABS_RY,
+ ((data[3] & 0x1f) << 8) | data[4]);
+ input_report_key(input_dev, BTN_0, data[5] & 0x01);
+ for (i = 0; i < 4; i++) {
+ input_report_key(input_dev,
+ BTN_1 + i, data[5] & (1 << i));
+ input_report_key(input_dev,
+ BTN_5 + i, data[6] & (1 << i));
+ }
+ break;
+
+ case HANWANG_ART_MASTER_II:
+ dev_dbg(&dev->dev, "error packet %02x\n", data[0]);
+ return;
+ }
+
+ input_report_abs(input_dev, ABS_MISC, hanwang->current_id);
+ input_event(input_dev, EV_MSC, MSC_SERIAL, 0xffffffff);
+ break;
+
+ default:
+ dev_dbg(&dev->dev, "error packet %02x\n", data[0]);
+ break;
+ }
+
+ input_sync(input_dev);
+}
+
+static void hanwang_irq(struct urb *urb)
+{
+ struct hanwang *hanwang = urb->context;
+ struct usb_device *dev = hanwang->usbdev;
+ int retval;
+
+ switch (urb->status) {
+ case 0:
+ /* success */;
+ hanwang_parse_packet(hanwang);
+ break;
+ case -ECONNRESET:
+ case -ENOENT:
+ case -ESHUTDOWN:
+ /* this urb is terminated, clean up */
+ dev_err(&dev->dev, "%s - urb shutting down with status: %d",
+ __func__, urb->status);
+ return;
+ default:
+ dev_err(&dev->dev, "%s - nonzero urb status received: %d",
+ __func__, urb->status);
+ break;
+ }
+
+ retval = usb_submit_urb(urb, GFP_ATOMIC);
+ if (retval)
+ dev_err(&dev->dev, "%s - usb_submit_urb failed with result %d",
+ __func__, retval);
+}
+
+static int hanwang_open(struct input_dev *dev)
+{
+ struct hanwang *hanwang = input_get_drvdata(dev);
+
+ hanwang->irq->dev = hanwang->usbdev;
+ if (usb_submit_urb(hanwang->irq, GFP_KERNEL))
+ return -EIO;
+
+ return 0;
+}
+
+static void hanwang_close(struct input_dev *dev)
+{
+ struct hanwang *hanwang = input_get_drvdata(dev);
+
+ usb_kill_urb(hanwang->irq);
+}
+
+static bool get_features(struct usb_device *dev, struct hanwang *hanwang)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(features_array); i++) {
+ if (le16_to_cpu(dev->descriptor.idProduct) ==
+ features_array[i].pid) {
+ hanwang->features = &features_array[i];
+ return true;
+ }
+ }
+
+ return false;
+}
+
+
+static int hanwang_probe(struct usb_interface *intf, const struct usb_device_id *id)
+{
+ struct usb_device *dev = interface_to_usbdev(intf);
+ struct usb_endpoint_descriptor *endpoint;
+ struct hanwang *hanwang;
+ struct input_dev *input_dev;
+ int error;
+ int i;
+
+ if (intf->cur_altsetting->desc.bNumEndpoints < 1)
+ return -ENODEV;
+
+ hanwang = kzalloc(sizeof(struct hanwang), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!hanwang || !input_dev) {
+ error = -ENOMEM;
+ goto fail1;
+ }
+
+ if (!get_features(dev, hanwang)) {
+ error = -ENXIO;
+ goto fail1;
+ }
+
+ hanwang->data = usb_alloc_coherent(dev, hanwang->features->pkg_len,
+ GFP_KERNEL, &hanwang->data_dma);
+ if (!hanwang->data) {
+ error = -ENOMEM;
+ goto fail1;
+ }
+
+ hanwang->irq = usb_alloc_urb(0, GFP_KERNEL);
+ if (!hanwang->irq) {
+ error = -ENOMEM;
+ goto fail2;
+ }
+
+ hanwang->usbdev = dev;
+ hanwang->dev = input_dev;
+
+ usb_make_path(dev, hanwang->phys, sizeof(hanwang->phys));
+ strlcat(hanwang->phys, "/input0", sizeof(hanwang->phys));
+
+ strlcpy(hanwang->name, hanwang->features->name, sizeof(hanwang->name));
+ input_dev->name = hanwang->name;
+ input_dev->phys = hanwang->phys;
+ usb_to_input_id(dev, &input_dev->id);
+ input_dev->dev.parent = &intf->dev;
+
+ input_set_drvdata(input_dev, hanwang);
+
+ input_dev->open = hanwang_open;
+ input_dev->close = hanwang_close;
+
+ for (i = 0; i < ARRAY_SIZE(hw_eventtypes); ++i)
+ __set_bit(hw_eventtypes[i], input_dev->evbit);
+
+ for (i = 0; i < ARRAY_SIZE(hw_absevents); ++i)
+ __set_bit(hw_absevents[i], input_dev->absbit);
+
+ for (i = 0; i < ARRAY_SIZE(hw_btnevents); ++i)
+ __set_bit(hw_btnevents[i], input_dev->keybit);
+
+ for (i = 0; i < ARRAY_SIZE(hw_mscevents); ++i)
+ __set_bit(hw_mscevents[i], input_dev->mscbit);
+
+ input_set_abs_params(input_dev, ABS_X,
+ 0, hanwang->features->max_x, 4, 0);
+ input_set_abs_params(input_dev, ABS_Y,
+ 0, hanwang->features->max_y, 4, 0);
+ input_set_abs_params(input_dev, ABS_TILT_X,
+ 0, hanwang->features->max_tilt_x, 0, 0);
+ input_set_abs_params(input_dev, ABS_TILT_Y,
+ 0, hanwang->features->max_tilt_y, 0, 0);
+ input_set_abs_params(input_dev, ABS_PRESSURE,
+ 0, hanwang->features->max_pressure, 0, 0);
+
+ endpoint = &intf->cur_altsetting->endpoint[0].desc;
+ usb_fill_int_urb(hanwang->irq, dev,
+ usb_rcvintpipe(dev, endpoint->bEndpointAddress),
+ hanwang->data, hanwang->features->pkg_len,
+ hanwang_irq, hanwang, endpoint->bInterval);
+ hanwang->irq->transfer_dma = hanwang->data_dma;
+ hanwang->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+
+ error = input_register_device(hanwang->dev);
+ if (error)
+ goto fail3;
+
+ usb_set_intfdata(intf, hanwang);
+
+ return 0;
+
+ fail3: usb_free_urb(hanwang->irq);
+ fail2: usb_free_coherent(dev, hanwang->features->pkg_len,
+ hanwang->data, hanwang->data_dma);
+ fail1: input_free_device(input_dev);
+ kfree(hanwang);
+ return error;
+
+}
+
+static void hanwang_disconnect(struct usb_interface *intf)
+{
+ struct hanwang *hanwang = usb_get_intfdata(intf);
+
+ input_unregister_device(hanwang->dev);
+ usb_free_urb(hanwang->irq);
+ usb_free_coherent(interface_to_usbdev(intf),
+ hanwang->features->pkg_len, hanwang->data,
+ hanwang->data_dma);
+ kfree(hanwang);
+ usb_set_intfdata(intf, NULL);
+}
+
+static const struct usb_device_id hanwang_ids[] = {
+ { HANWANG_TABLET_DEVICE(USB_VENDOR_ID_HANWANG, HANWANG_TABLET_INT_CLASS,
+ HANWANG_TABLET_INT_SUB_CLASS, HANWANG_TABLET_INT_PROTOCOL) },
+ {}
+};
+
+MODULE_DEVICE_TABLE(usb, hanwang_ids);
+
+static struct usb_driver hanwang_driver = {
+ .name = "hanwang",
+ .probe = hanwang_probe,
+ .disconnect = hanwang_disconnect,
+ .id_table = hanwang_ids,
+};
+
+module_usb_driver(hanwang_driver);