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https://github.com/AetherDroid/android_kernel_samsung_on5xelte.git
synced 2025-09-08 17:18:05 -04:00
Fixed MTP to work with TWRP
This commit is contained in:
awab228
commit
f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
278
drivers/input/tablet/acecad.c
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278
drivers/input/tablet/acecad.c
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@ -0,0 +1,278 @@
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/*
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* Copyright (c) 2001-2005 Edouard TISSERANT <edouard.tisserant@wanadoo.fr>
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* Copyright (c) 2004-2005 Stephane VOLTZ <svoltz@numericable.fr>
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*
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* USB Acecad "Acecad Flair" tablet support
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*
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* Changelog:
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* v3.2 - Added sysfs support
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*/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include <linux/module.h>
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#include <linux/usb/input.h>
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/*
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* Version Information
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*/
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#define DRIVER_VERSION "v3.2"
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#define DRIVER_DESC "USB Acecad Flair tablet driver"
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#define DRIVER_LICENSE "GPL"
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#define DRIVER_AUTHOR "Edouard TISSERANT <edouard.tisserant@wanadoo.fr>"
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MODULE_AUTHOR(DRIVER_AUTHOR);
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MODULE_DESCRIPTION(DRIVER_DESC);
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MODULE_LICENSE(DRIVER_LICENSE);
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#define USB_VENDOR_ID_ACECAD 0x0460
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#define USB_DEVICE_ID_FLAIR 0x0004
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#define USB_DEVICE_ID_302 0x0008
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struct usb_acecad {
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char name[128];
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char phys[64];
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struct usb_device *usbdev;
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struct usb_interface *intf;
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struct input_dev *input;
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struct urb *irq;
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unsigned char *data;
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dma_addr_t data_dma;
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};
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static void usb_acecad_irq(struct urb *urb)
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{
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struct usb_acecad *acecad = urb->context;
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unsigned char *data = acecad->data;
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struct input_dev *dev = acecad->input;
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struct usb_interface *intf = acecad->intf;
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int prox, status;
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switch (urb->status) {
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case 0:
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/* success */
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break;
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case -ECONNRESET:
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case -ENOENT:
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case -ESHUTDOWN:
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/* this urb is terminated, clean up */
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dev_dbg(&intf->dev, "%s - urb shutting down with status: %d\n",
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__func__, urb->status);
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return;
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default:
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dev_dbg(&intf->dev, "%s - nonzero urb status received: %d\n",
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__func__, urb->status);
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goto resubmit;
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}
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prox = (data[0] & 0x04) >> 2;
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input_report_key(dev, BTN_TOOL_PEN, prox);
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if (prox) {
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int x = data[1] | (data[2] << 8);
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int y = data[3] | (data[4] << 8);
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/* Pressure should compute the same way for flair and 302 */
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int pressure = data[5] | (data[6] << 8);
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int touch = data[0] & 0x01;
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int stylus = (data[0] & 0x10) >> 4;
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int stylus2 = (data[0] & 0x20) >> 5;
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input_report_abs(dev, ABS_X, x);
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input_report_abs(dev, ABS_Y, y);
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input_report_abs(dev, ABS_PRESSURE, pressure);
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input_report_key(dev, BTN_TOUCH, touch);
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input_report_key(dev, BTN_STYLUS, stylus);
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input_report_key(dev, BTN_STYLUS2, stylus2);
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}
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/* event termination */
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input_sync(dev);
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resubmit:
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status = usb_submit_urb(urb, GFP_ATOMIC);
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if (status)
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dev_err(&intf->dev,
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"can't resubmit intr, %s-%s/input0, status %d\n",
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acecad->usbdev->bus->bus_name,
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acecad->usbdev->devpath, status);
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}
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static int usb_acecad_open(struct input_dev *dev)
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{
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struct usb_acecad *acecad = input_get_drvdata(dev);
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acecad->irq->dev = acecad->usbdev;
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if (usb_submit_urb(acecad->irq, GFP_KERNEL))
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return -EIO;
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return 0;
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}
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static void usb_acecad_close(struct input_dev *dev)
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{
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struct usb_acecad *acecad = input_get_drvdata(dev);
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usb_kill_urb(acecad->irq);
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}
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static int usb_acecad_probe(struct usb_interface *intf, const struct usb_device_id *id)
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{
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struct usb_device *dev = interface_to_usbdev(intf);
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struct usb_host_interface *interface = intf->cur_altsetting;
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struct usb_endpoint_descriptor *endpoint;
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struct usb_acecad *acecad;
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struct input_dev *input_dev;
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int pipe, maxp;
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int err;
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if (interface->desc.bNumEndpoints != 1)
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return -ENODEV;
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endpoint = &interface->endpoint[0].desc;
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if (!usb_endpoint_is_int_in(endpoint))
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return -ENODEV;
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pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
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maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
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acecad = kzalloc(sizeof(struct usb_acecad), GFP_KERNEL);
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input_dev = input_allocate_device();
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if (!acecad || !input_dev) {
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err = -ENOMEM;
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goto fail1;
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}
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acecad->data = usb_alloc_coherent(dev, 8, GFP_KERNEL, &acecad->data_dma);
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if (!acecad->data) {
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err= -ENOMEM;
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goto fail1;
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}
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acecad->irq = usb_alloc_urb(0, GFP_KERNEL);
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if (!acecad->irq) {
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err = -ENOMEM;
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goto fail2;
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}
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acecad->usbdev = dev;
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acecad->intf = intf;
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acecad->input = input_dev;
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if (dev->manufacturer)
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strlcpy(acecad->name, dev->manufacturer, sizeof(acecad->name));
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if (dev->product) {
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if (dev->manufacturer)
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strlcat(acecad->name, " ", sizeof(acecad->name));
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strlcat(acecad->name, dev->product, sizeof(acecad->name));
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}
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usb_make_path(dev, acecad->phys, sizeof(acecad->phys));
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strlcat(acecad->phys, "/input0", sizeof(acecad->phys));
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input_dev->name = acecad->name;
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input_dev->phys = acecad->phys;
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usb_to_input_id(dev, &input_dev->id);
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input_dev->dev.parent = &intf->dev;
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input_set_drvdata(input_dev, acecad);
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input_dev->open = usb_acecad_open;
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input_dev->close = usb_acecad_close;
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input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
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input_dev->keybit[BIT_WORD(BTN_DIGI)] = BIT_MASK(BTN_TOOL_PEN) |
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BIT_MASK(BTN_TOUCH) | BIT_MASK(BTN_STYLUS) |
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BIT_MASK(BTN_STYLUS2);
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switch (id->driver_info) {
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case 0:
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input_set_abs_params(input_dev, ABS_X, 0, 5000, 4, 0);
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input_set_abs_params(input_dev, ABS_Y, 0, 3750, 4, 0);
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input_set_abs_params(input_dev, ABS_PRESSURE, 0, 512, 0, 0);
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if (!strlen(acecad->name))
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snprintf(acecad->name, sizeof(acecad->name),
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"USB Acecad Flair Tablet %04x:%04x",
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le16_to_cpu(dev->descriptor.idVendor),
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le16_to_cpu(dev->descriptor.idProduct));
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break;
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case 1:
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input_set_abs_params(input_dev, ABS_X, 0, 53000, 4, 0);
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input_set_abs_params(input_dev, ABS_Y, 0, 2250, 4, 0);
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input_set_abs_params(input_dev, ABS_PRESSURE, 0, 1024, 0, 0);
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if (!strlen(acecad->name))
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snprintf(acecad->name, sizeof(acecad->name),
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"USB Acecad 302 Tablet %04x:%04x",
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le16_to_cpu(dev->descriptor.idVendor),
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le16_to_cpu(dev->descriptor.idProduct));
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break;
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}
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usb_fill_int_urb(acecad->irq, dev, pipe,
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acecad->data, maxp > 8 ? 8 : maxp,
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usb_acecad_irq, acecad, endpoint->bInterval);
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acecad->irq->transfer_dma = acecad->data_dma;
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acecad->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
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err = input_register_device(acecad->input);
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if (err)
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goto fail3;
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usb_set_intfdata(intf, acecad);
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return 0;
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fail3: usb_free_urb(acecad->irq);
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fail2: usb_free_coherent(dev, 8, acecad->data, acecad->data_dma);
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fail1: input_free_device(input_dev);
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kfree(acecad);
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return err;
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}
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static void usb_acecad_disconnect(struct usb_interface *intf)
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{
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struct usb_acecad *acecad = usb_get_intfdata(intf);
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usb_set_intfdata(intf, NULL);
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input_unregister_device(acecad->input);
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usb_free_urb(acecad->irq);
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usb_free_coherent(acecad->usbdev, 8, acecad->data, acecad->data_dma);
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kfree(acecad);
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}
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static struct usb_device_id usb_acecad_id_table [] = {
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{ USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_FLAIR), .driver_info = 0 },
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{ USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_302), .driver_info = 1 },
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{ }
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};
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MODULE_DEVICE_TABLE(usb, usb_acecad_id_table);
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static struct usb_driver usb_acecad_driver = {
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.name = "usb_acecad",
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.probe = usb_acecad_probe,
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.disconnect = usb_acecad_disconnect,
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.id_table = usb_acecad_id_table,
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};
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module_usb_driver(usb_acecad_driver);
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