2005-07-28 14:49:01 -07:00
|
|
|
/*
|
|
|
|
* Support for the Maxtor OneTouch USB hard drive's button
|
|
|
|
*
|
|
|
|
* Current development and maintenance by:
|
|
|
|
* Copyright (c) 2005 Nick Sillik <n.sillik@temple.edu>
|
|
|
|
*
|
|
|
|
* Initial work by:
|
2005-09-15 00:01:43 -07:00
|
|
|
* Copyright (c) 2003 Erik Thyren <erth7411@student.uu.se>
|
2005-07-28 14:49:01 -07:00
|
|
|
*
|
|
|
|
* Based on usbmouse.c (Vojtech Pavlik) and xpad.c (Marko Friedemann)
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 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/kernel.h>
|
|
|
|
#include <linux/input.h>
|
|
|
|
#include <linux/init.h>
|
|
|
|
#include <linux/slab.h>
|
|
|
|
#include <linux/module.h>
|
2005-08-17 10:37:34 -07:00
|
|
|
#include <linux/usb_ch9.h>
|
2006-06-13 10:04:34 -07:00
|
|
|
#include <linux/usb/input.h>
|
2005-07-28 14:49:01 -07:00
|
|
|
#include "usb.h"
|
|
|
|
#include "onetouch.h"
|
|
|
|
#include "debug.h"
|
|
|
|
|
|
|
|
void onetouch_release_input(void *onetouch_);
|
|
|
|
|
|
|
|
struct usb_onetouch {
|
|
|
|
char name[128];
|
|
|
|
char phys[64];
|
2005-09-15 00:01:43 -07:00
|
|
|
struct input_dev *dev; /* input device interface */
|
2005-07-28 14:49:01 -07:00
|
|
|
struct usb_device *udev; /* usb device */
|
|
|
|
|
|
|
|
struct urb *irq; /* urb for interrupt in report */
|
|
|
|
unsigned char *data; /* input data */
|
|
|
|
dma_addr_t data_dma;
|
2005-12-04 22:56:51 -07:00
|
|
|
unsigned int is_open:1;
|
2005-07-28 14:49:01 -07:00
|
|
|
};
|
|
|
|
|
|
|
|
static void usb_onetouch_irq(struct urb *urb, struct pt_regs *regs)
|
|
|
|
{
|
|
|
|
struct usb_onetouch *onetouch = urb->context;
|
|
|
|
signed char *data = onetouch->data;
|
2005-09-15 00:01:43 -07:00
|
|
|
struct input_dev *dev = onetouch->dev;
|
2005-07-28 14:49:01 -07:00
|
|
|
int status;
|
|
|
|
|
|
|
|
switch (urb->status) {
|
|
|
|
case 0: /* success */
|
|
|
|
break;
|
|
|
|
case -ECONNRESET: /* unlink */
|
|
|
|
case -ENOENT:
|
|
|
|
case -ESHUTDOWN:
|
|
|
|
return;
|
|
|
|
/* -EPIPE: should clear the halt */
|
|
|
|
default: /* error */
|
|
|
|
goto resubmit;
|
|
|
|
}
|
|
|
|
|
|
|
|
input_regs(dev, regs);
|
2005-09-15 00:01:43 -07:00
|
|
|
input_report_key(dev, ONETOUCH_BUTTON, data[0] & 0x02);
|
2005-07-28 14:49:01 -07:00
|
|
|
input_sync(dev);
|
2005-09-15 00:01:43 -07:00
|
|
|
|
2005-07-28 14:49:01 -07:00
|
|
|
resubmit:
|
|
|
|
status = usb_submit_urb (urb, SLAB_ATOMIC);
|
|
|
|
if (status)
|
|
|
|
err ("can't resubmit intr, %s-%s/input0, status %d",
|
|
|
|
onetouch->udev->bus->bus_name,
|
|
|
|
onetouch->udev->devpath, status);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int usb_onetouch_open(struct input_dev *dev)
|
|
|
|
{
|
|
|
|
struct usb_onetouch *onetouch = dev->private;
|
|
|
|
|
2005-12-04 22:56:51 -07:00
|
|
|
onetouch->is_open = 1;
|
2005-07-28 14:49:01 -07:00
|
|
|
onetouch->irq->dev = onetouch->udev;
|
|
|
|
if (usb_submit_urb(onetouch->irq, GFP_KERNEL)) {
|
|
|
|
err("usb_submit_urb failed");
|
|
|
|
return -EIO;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void usb_onetouch_close(struct input_dev *dev)
|
|
|
|
{
|
|
|
|
struct usb_onetouch *onetouch = dev->private;
|
|
|
|
|
|
|
|
usb_kill_urb(onetouch->irq);
|
2005-12-04 22:56:51 -07:00
|
|
|
onetouch->is_open = 0;
|
2005-07-28 14:49:01 -07:00
|
|
|
}
|
|
|
|
|
2005-12-04 22:56:51 -07:00
|
|
|
#ifdef CONFIG_PM
|
|
|
|
static void usb_onetouch_pm_hook(struct us_data *us, int action)
|
|
|
|
{
|
|
|
|
struct usb_onetouch *onetouch = (struct usb_onetouch *) us->extra;
|
|
|
|
|
|
|
|
if (onetouch->is_open) {
|
|
|
|
switch (action) {
|
|
|
|
case US_SUSPEND:
|
|
|
|
usb_kill_urb(onetouch->irq);
|
|
|
|
break;
|
|
|
|
case US_RESUME:
|
|
|
|
if (usb_submit_urb(onetouch->irq, GFP_KERNEL) != 0)
|
|
|
|
err("usb_submit_urb failed");
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif /* CONFIG_PM */
|
|
|
|
|
2005-07-28 14:49:01 -07:00
|
|
|
int onetouch_connect_input(struct us_data *ss)
|
|
|
|
{
|
|
|
|
struct usb_device *udev = ss->pusb_dev;
|
|
|
|
struct usb_host_interface *interface;
|
|
|
|
struct usb_endpoint_descriptor *endpoint;
|
|
|
|
struct usb_onetouch *onetouch;
|
2005-09-15 00:01:43 -07:00
|
|
|
struct input_dev *input_dev;
|
2005-07-28 14:49:01 -07:00
|
|
|
int pipe, maxp;
|
|
|
|
|
|
|
|
interface = ss->pusb_intf->cur_altsetting;
|
|
|
|
|
2005-08-17 10:37:34 -07:00
|
|
|
if (interface->desc.bNumEndpoints != 3)
|
|
|
|
return -ENODEV;
|
|
|
|
|
2005-07-28 14:49:01 -07:00
|
|
|
endpoint = &interface->endpoint[2].desc;
|
2005-09-15 00:01:43 -07:00
|
|
|
if (!(endpoint->bEndpointAddress & USB_DIR_IN))
|
2005-07-28 14:49:01 -07:00
|
|
|
return -ENODEV;
|
2005-09-15 00:01:43 -07:00
|
|
|
if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
|
2005-08-17 10:37:34 -07:00
|
|
|
!= USB_ENDPOINT_XFER_INT)
|
2005-07-28 14:49:01 -07:00
|
|
|
return -ENODEV;
|
|
|
|
|
|
|
|
pipe = usb_rcvintpipe(udev, endpoint->bEndpointAddress);
|
|
|
|
maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe));
|
|
|
|
|
2005-09-15 00:01:43 -07:00
|
|
|
onetouch = kzalloc(sizeof(struct usb_onetouch), GFP_KERNEL);
|
|
|
|
input_dev = input_allocate_device();
|
|
|
|
if (!onetouch || !input_dev)
|
|
|
|
goto fail1;
|
2005-07-28 14:49:01 -07:00
|
|
|
|
2005-08-17 10:37:34 -07:00
|
|
|
onetouch->data = usb_buffer_alloc(udev, ONETOUCH_PKT_LEN,
|
|
|
|
SLAB_ATOMIC, &onetouch->data_dma);
|
2005-09-15 00:01:43 -07:00
|
|
|
if (!onetouch->data)
|
|
|
|
goto fail1;
|
2005-07-28 14:49:01 -07:00
|
|
|
|
|
|
|
onetouch->irq = usb_alloc_urb(0, GFP_KERNEL);
|
2005-09-15 00:01:43 -07:00
|
|
|
if (!onetouch->irq)
|
|
|
|
goto fail2;
|
2005-07-28 14:49:01 -07:00
|
|
|
|
|
|
|
onetouch->udev = udev;
|
2005-09-15 00:01:43 -07:00
|
|
|
onetouch->dev = input_dev;
|
2005-07-28 14:49:01 -07:00
|
|
|
|
2005-09-15 00:01:43 -07:00
|
|
|
if (udev->manufacturer)
|
|
|
|
strlcpy(onetouch->name, udev->manufacturer,
|
|
|
|
sizeof(onetouch->name));
|
|
|
|
if (udev->product) {
|
|
|
|
if (udev->manufacturer)
|
|
|
|
strlcat(onetouch->name, " ", sizeof(onetouch->name));
|
|
|
|
strlcat(onetouch->name, udev->product, sizeof(onetouch->name));
|
|
|
|
}
|
2005-07-28 14:49:01 -07:00
|
|
|
|
2005-09-15 00:01:43 -07:00
|
|
|
if (!strlen(onetouch->name))
|
|
|
|
snprintf(onetouch->name, sizeof(onetouch->name),
|
|
|
|
"Maxtor Onetouch %04x:%04x",
|
|
|
|
le16_to_cpu(udev->descriptor.idVendor),
|
|
|
|
le16_to_cpu(udev->descriptor.idProduct));
|
2005-07-28 14:49:01 -07:00
|
|
|
|
2005-09-15 00:01:43 -07:00
|
|
|
usb_make_path(udev, onetouch->phys, sizeof(onetouch->phys));
|
|
|
|
strlcat(onetouch->phys, "/input0", sizeof(onetouch->phys));
|
2005-07-28 14:49:01 -07:00
|
|
|
|
2005-09-15 00:01:43 -07:00
|
|
|
input_dev->name = onetouch->name;
|
|
|
|
input_dev->phys = onetouch->phys;
|
|
|
|
usb_to_input_id(udev, &input_dev->id);
|
|
|
|
input_dev->cdev.dev = &udev->dev;
|
2005-07-28 14:49:01 -07:00
|
|
|
|
2005-09-15 00:01:43 -07:00
|
|
|
set_bit(EV_KEY, input_dev->evbit);
|
|
|
|
set_bit(ONETOUCH_BUTTON, input_dev->keybit);
|
|
|
|
clear_bit(0, input_dev->keybit);
|
2005-07-28 14:49:01 -07:00
|
|
|
|
2005-09-15 00:01:43 -07:00
|
|
|
input_dev->private = onetouch;
|
|
|
|
input_dev->open = usb_onetouch_open;
|
|
|
|
input_dev->close = usb_onetouch_close;
|
2005-07-28 14:49:01 -07:00
|
|
|
|
|
|
|
usb_fill_int_urb(onetouch->irq, udev, pipe, onetouch->data,
|
|
|
|
(maxp > 8 ? 8 : maxp),
|
|
|
|
usb_onetouch_irq, onetouch, endpoint->bInterval);
|
|
|
|
onetouch->irq->transfer_dma = onetouch->data_dma;
|
|
|
|
onetouch->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
|
|
|
|
|
|
|
|
ss->extra_destructor = onetouch_release_input;
|
|
|
|
ss->extra = onetouch;
|
2005-12-04 22:56:51 -07:00
|
|
|
#ifdef CONFIG_PM
|
|
|
|
ss->suspend_resume_hook = usb_onetouch_pm_hook;
|
|
|
|
#endif
|
2005-07-28 14:49:01 -07:00
|
|
|
|
2005-09-15 00:01:43 -07:00
|
|
|
input_register_device(onetouch->dev);
|
2005-07-28 14:49:01 -07:00
|
|
|
|
|
|
|
return 0;
|
2005-09-15 00:01:43 -07:00
|
|
|
|
|
|
|
fail2: usb_buffer_free(udev, ONETOUCH_PKT_LEN,
|
|
|
|
onetouch->data, onetouch->data_dma);
|
|
|
|
fail1: kfree(onetouch);
|
|
|
|
input_free_device(input_dev);
|
|
|
|
return -ENOMEM;
|
2005-07-28 14:49:01 -07:00
|
|
|
}
|
|
|
|
|
|
|
|
void onetouch_release_input(void *onetouch_)
|
|
|
|
{
|
|
|
|
struct usb_onetouch *onetouch = (struct usb_onetouch *) onetouch_;
|
|
|
|
|
|
|
|
if (onetouch) {
|
|
|
|
usb_kill_urb(onetouch->irq);
|
2005-09-15 00:01:43 -07:00
|
|
|
input_unregister_device(onetouch->dev);
|
2005-07-28 14:49:01 -07:00
|
|
|
usb_free_urb(onetouch->irq);
|
|
|
|
usb_buffer_free(onetouch->udev, ONETOUCH_PKT_LEN,
|
|
|
|
onetouch->data, onetouch->data_dma);
|
|
|
|
}
|
|
|
|
}
|