* Copyright (c) 2005 Nick Sillik <n.sillik@temple.edu>
*
* Initial work by:
- * Copyright (c) 2003 Erik Thyren <erth7411@student.uu.se>
+ * Copyright (c) 2003 Erik Thyren <erth7411@student.uu.se>
*
* Based on usbmouse.c (Vojtech Pavlik) and xpad.c (Marko Friedemann)
*
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
-#include <linux/usb.h>
#include <linux/usb_ch9.h>
-#include <linux/usb_input.h>
+#include <linux/usb/input.h>
#include "usb.h"
#include "onetouch.h"
#include "debug.h"
struct usb_onetouch {
char name[128];
char phys[64];
- struct input_dev dev; /* input device interface */
+ struct input_dev *dev; /* input device interface */
struct usb_device *udev; /* usb device */
struct urb *irq; /* urb for interrupt in report */
unsigned char *data; /* input data */
dma_addr_t data_dma;
+ unsigned int is_open:1;
};
static void usb_onetouch_irq(struct urb *urb, struct pt_regs *regs)
{
struct usb_onetouch *onetouch = urb->context;
signed char *data = onetouch->data;
- struct input_dev *dev = &onetouch->dev;
+ struct input_dev *dev = onetouch->dev;
int status;
switch (urb->status) {
}
input_regs(dev, regs);
-
- input_report_key(&onetouch->dev, ONETOUCH_BUTTON,
- data[0] & 0x02);
-
+ input_report_key(dev, ONETOUCH_BUTTON, data[0] & 0x02);
input_sync(dev);
+
resubmit:
status = usb_submit_urb (urb, SLAB_ATOMIC);
if (status)
{
struct usb_onetouch *onetouch = dev->private;
+ onetouch->is_open = 1;
onetouch->irq->dev = onetouch->udev;
if (usb_submit_urb(onetouch->irq, GFP_KERNEL)) {
err("usb_submit_urb failed");
struct usb_onetouch *onetouch = dev->private;
usb_kill_urb(onetouch->irq);
+ onetouch->is_open = 0;
+}
+
+#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 */
int onetouch_connect_input(struct us_data *ss)
{
struct usb_host_interface *interface;
struct usb_endpoint_descriptor *endpoint;
struct usb_onetouch *onetouch;
+ struct input_dev *input_dev;
int pipe, maxp;
- char path[64];
interface = ss->pusb_intf->cur_altsetting;
return -ENODEV;
endpoint = &interface->endpoint[2].desc;
- if(!(endpoint->bEndpointAddress & USB_DIR_IN))
+ if (!(endpoint->bEndpointAddress & USB_DIR_IN))
return -ENODEV;
- if((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
+ if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
!= USB_ENDPOINT_XFER_INT)
return -ENODEV;
pipe = usb_rcvintpipe(udev, endpoint->bEndpointAddress);
maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe));
- if (!(onetouch = kcalloc(1, sizeof(struct usb_onetouch), GFP_KERNEL)))
- return -ENOMEM;
+ onetouch = kzalloc(sizeof(struct usb_onetouch), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!onetouch || !input_dev)
+ goto fail1;
onetouch->data = usb_buffer_alloc(udev, ONETOUCH_PKT_LEN,
SLAB_ATOMIC, &onetouch->data_dma);
- if (!onetouch->data){
- kfree(onetouch);
- return -ENOMEM;
- }
+ if (!onetouch->data)
+ goto fail1;
onetouch->irq = usb_alloc_urb(0, GFP_KERNEL);
- if (!onetouch->irq){
- kfree(onetouch);
- usb_buffer_free(udev, ONETOUCH_PKT_LEN,
- onetouch->data, onetouch->data_dma);
- return -ENODEV;
- }
-
+ if (!onetouch->irq)
+ goto fail2;
onetouch->udev = udev;
+ onetouch->dev = input_dev;
- set_bit(EV_KEY, onetouch->dev.evbit);
- set_bit(ONETOUCH_BUTTON, onetouch->dev.keybit);
- clear_bit(0, onetouch->dev.keybit);
-
- onetouch->dev.private = onetouch;
- onetouch->dev.open = usb_onetouch_open;
- onetouch->dev.close = usb_onetouch_close;
+ 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));
+ }
- usb_make_path(udev, path, sizeof(path));
- sprintf(onetouch->phys, "%s/input0", path);
+ 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));
- onetouch->dev.name = onetouch->name;
- onetouch->dev.phys = onetouch->phys;
+ usb_make_path(udev, onetouch->phys, sizeof(onetouch->phys));
+ strlcat(onetouch->phys, "/input0", sizeof(onetouch->phys));
- usb_to_input_id(udev, &onetouch->dev.id);
+ input_dev->name = onetouch->name;
+ input_dev->phys = onetouch->phys;
+ usb_to_input_id(udev, &input_dev->id);
+ input_dev->cdev.dev = &udev->dev;
- onetouch->dev.dev = &udev->dev;
+ set_bit(EV_KEY, input_dev->evbit);
+ set_bit(ONETOUCH_BUTTON, input_dev->keybit);
+ clear_bit(0, input_dev->keybit);
- if (udev->manufacturer)
- strcat(onetouch->name, udev->manufacturer);
- if (udev->product)
- sprintf(onetouch->name, "%s %s", onetouch->name,
- udev->product);
- if (!strlen(onetouch->name))
- sprintf(onetouch->name, "Maxtor Onetouch %04x:%04x",
- onetouch->dev.id.vendor, onetouch->dev.id.product);
+ input_dev->private = onetouch;
+ input_dev->open = usb_onetouch_open;
+ input_dev->close = usb_onetouch_close;
usb_fill_int_urb(onetouch->irq, udev, pipe, onetouch->data,
(maxp > 8 ? 8 : maxp),
ss->extra_destructor = onetouch_release_input;
ss->extra = onetouch;
+#ifdef CONFIG_PM
+ ss->suspend_resume_hook = usb_onetouch_pm_hook;
+#endif
- input_register_device(&onetouch->dev);
- printk(KERN_INFO "usb-input: %s on %s\n", onetouch->dev.name, path);
+ input_register_device(onetouch->dev);
return 0;
+
+ fail2: usb_buffer_free(udev, ONETOUCH_PKT_LEN,
+ onetouch->data, onetouch->data_dma);
+ fail1: kfree(onetouch);
+ input_free_device(input_dev);
+ return -ENOMEM;
}
void onetouch_release_input(void *onetouch_)
if (onetouch) {
usb_kill_urb(onetouch->irq);
- input_unregister_device(&onetouch->dev);
+ input_unregister_device(onetouch->dev);
usb_free_urb(onetouch->irq);
usb_buffer_free(onetouch->udev, ONETOUCH_PKT_LEN,
onetouch->data, onetouch->data_dma);
- printk(KERN_INFO "usb-input: deregistering %s\n",
- onetouch->dev.name);
}
}
projects / linux-2.6-omap-h63xx.git / blobdiff