#include <linux/hid.h>
#include <linux/hiddev.h>
#include <linux/hid-debug.h>
+#include <linux/hidraw.h>
#include "usbhid.h"
/*
spin_lock_irqsave(&usbhid->inlock, flags);
if (hid->open > 0 && !test_bit(HID_SUSPENDED, &usbhid->iofl) &&
+ !test_bit(HID_DISCONNECTED, &usbhid->iofl) &&
!test_and_set_bit(HID_IN_RUNNING, &usbhid->iofl)) {
rc = usb_submit_urb(usbhid->urbin, GFP_ATOMIC);
if (rc != 0)
spin_lock_irqsave(&usbhid->inlock, flags);
/* Stop when disconnected */
- if (usb_get_intfdata(usbhid->intf) == NULL)
+ if (test_bit(HID_DISCONNECTED, &usbhid->iofl))
goto done;
/* If it has been a while since the last error, we'll assume
usbhid->urbctrl->pipe = usb_rcvctrlpipe(hid_to_usb_dev(hid), 0);
maxpacket = usb_maxpacket(hid_to_usb_dev(hid), usbhid->urbctrl->pipe, 0);
if (maxpacket > 0) {
- padlen = (len + maxpacket - 1) / maxpacket;
+ padlen = DIV_ROUND_UP(len, maxpacket);
padlen *= maxpacket;
if (padlen > usbhid->bufsize)
padlen = usbhid->bufsize;
if (usbhid->outhead != usbhid->outtail) {
if (hid_submit_out(hid)) {
clear_bit(HID_OUT_RUNNING, &usbhid->iofl);
- wake_up(&hid->wait);
+ wake_up(&usbhid->wait);
}
spin_unlock_irqrestore(&usbhid->outlock, flags);
return;
clear_bit(HID_OUT_RUNNING, &usbhid->iofl);
spin_unlock_irqrestore(&usbhid->outlock, flags);
- wake_up(&hid->wait);
+ wake_up(&usbhid->wait);
}
/*
if (usbhid->ctrlhead != usbhid->ctrltail) {
if (hid_submit_ctrl(hid)) {
clear_bit(HID_CTRL_RUNNING, &usbhid->iofl);
- wake_up(&hid->wait);
+ wake_up(&usbhid->wait);
}
spin_unlock_irqrestore(&usbhid->ctrllock, flags);
return;
clear_bit(HID_CTRL_RUNNING, &usbhid->iofl);
spin_unlock_irqrestore(&usbhid->ctrllock, flags);
- wake_up(&hid->wait);
+ wake_up(&usbhid->wait);
}
void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir)
{
struct usbhid_device *usbhid = hid->driver_data;
- if (!wait_event_timeout(hid->wait, (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl) &&
- !test_bit(HID_OUT_RUNNING, &usbhid->iofl)),
+ if (!wait_event_timeout(usbhid->wait,
+ (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl) &&
+ !test_bit(HID_OUT_RUNNING, &usbhid->iofl)),
10*HZ)) {
dbg_hid("timeout waiting for ctrl or out queue to clear\n");
return -1;
int usbhid_open(struct hid_device *hid)
{
- ++hid->open;
+ struct usbhid_device *usbhid = hid->driver_data;
+ int res;
+
+ if (!hid->open++) {
+ res = usb_autopm_get_interface(usbhid->intf);
+ if (res < 0) {
+ hid->open--;
+ return -EIO;
+ }
+ }
if (hid_start_in(hid))
hid_io_error(hid);
return 0;
{
struct usbhid_device *usbhid = hid->driver_data;
- if (!--hid->open)
+ if (!--hid->open) {
usb_kill_urb(usbhid->urbin);
+ usb_autopm_put_interface(usbhid->intf);
+ }
}
/*
/*
* Traverse the supplied list of reports and find the longest
*/
-static void hid_find_max_report(struct hid_device *hid, unsigned int type, int *max)
+static void hid_find_max_report(struct hid_device *hid, unsigned int type,
+ unsigned int *max)
{
struct hid_report *report;
- int size;
+ unsigned int size;
list_for_each_entry(report, &hid->report_enum[type].report_list, list) {
size = ((report->size - 1) >> 3) + 1;
return 0;
}
+static int usbhid_output_raw_report(struct hid_device *hid, __u8 *buf, size_t count)
+{
+ struct usbhid_device *usbhid = hid->driver_data;
+ struct usb_device *dev = hid_to_usb_dev(hid);
+ struct usb_interface *intf = usbhid->intf;
+ struct usb_host_interface *interface = intf->cur_altsetting;
+ int ret;
+
+ ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
+ HID_REQ_SET_REPORT,
+ USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+ ((HID_OUTPUT_REPORT + 1) << 8) | *buf,
+ interface->desc.bInterfaceNumber, buf + 1, count - 1,
+ USB_CTRL_SET_TIMEOUT);
+
+ /* count also the report id */
+ if (ret > 0)
+ ret++;
+
+ return ret;
+}
+
static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid)
{
struct usbhid_device *usbhid = hid->driver_data;
struct hid_descriptor *hdesc;
struct hid_device *hid;
u32 quirks = 0;
- unsigned rsize = 0;
+ unsigned int insize = 0, rsize = 0;
char *rdesc;
- int n, len, insize = 0;
+ int n, len;
struct usbhid_device *usbhid;
quirks = usbhid_lookup_quirk(le16_to_cpu(dev->descriptor.idVendor),
hid->quirks = quirks;
if (!(usbhid = kzalloc(sizeof(struct usbhid_device), GFP_KERNEL)))
- goto fail;
+ goto fail_no_usbhid;
hid->driver_data = usbhid;
usbhid->hid = hid;
goto fail;
}
+ hid->name[0] = 0;
+
+ if (dev->manufacturer)
+ strlcpy(hid->name, dev->manufacturer, sizeof(hid->name));
+
+ if (dev->product) {
+ if (dev->manufacturer)
+ strlcat(hid->name, " ", sizeof(hid->name));
+ strlcat(hid->name, dev->product, sizeof(hid->name));
+ }
+
+ if (!strlen(hid->name))
+ snprintf(hid->name, sizeof(hid->name), "HID %04x:%04x",
+ le16_to_cpu(dev->descriptor.idVendor),
+ le16_to_cpu(dev->descriptor.idProduct));
+
for (n = 0; n < interface->desc.bNumEndpoints; n++) {
struct usb_endpoint_descriptor *endpoint;
interval = endpoint->bInterval;
+ /* Some vendors give fullspeed interval on highspeed devides */
+ if (quirks & HID_QUIRK_FULLSPEED_INTERVAL &&
+ dev->speed == USB_SPEED_HIGH) {
+ interval = fls(endpoint->bInterval*8);
+ printk(KERN_INFO "%s: Fixing fullspeed to highspeed interval: %d -> %d\n",
+ hid->name, endpoint->bInterval, interval);
+ }
+
/* Change the polling interval of mice. */
if (hid->collection->usage == HID_GD_MOUSE && hid_mousepoll_interval > 0)
interval = hid_mousepoll_interval;
goto fail;
}
- init_waitqueue_head(&hid->wait);
-
+ init_waitqueue_head(&usbhid->wait);
INIT_WORK(&usbhid->reset_work, hid_reset);
setup_timer(&usbhid->io_retry, hid_retry_timeout, (unsigned long) hid);
usbhid->intf = intf;
usbhid->ifnum = interface->desc.bInterfaceNumber;
- hid->name[0] = 0;
-
- if (dev->manufacturer)
- strlcpy(hid->name, dev->manufacturer, sizeof(hid->name));
-
- if (dev->product) {
- if (dev->manufacturer)
- strlcat(hid->name, " ", sizeof(hid->name));
- strlcat(hid->name, dev->product, sizeof(hid->name));
- }
-
- if (!strlen(hid->name))
- snprintf(hid->name, sizeof(hid->name), "HID %04x:%04x",
- le16_to_cpu(dev->descriptor.idVendor),
- le16_to_cpu(dev->descriptor.idProduct));
-
hid->bus = BUS_USB;
hid->vendor = le16_to_cpu(dev->descriptor.idVendor);
hid->product = le16_to_cpu(dev->descriptor.idProduct);
hid->hiddev_hid_event = hiddev_hid_event;
hid->hiddev_report_event = hiddev_report_event;
#endif
+ hid->hid_output_raw_report = usbhid_output_raw_report;
return hid;
fail:
usb_free_urb(usbhid->urbout);
usb_free_urb(usbhid->urbctrl);
hid_free_buffers(dev, hid);
+ kfree(usbhid);
+fail_no_usbhid:
hid_free_device(hid);
return NULL;
spin_lock_irq(&usbhid->inlock); /* Sync with error handler */
usb_set_intfdata(intf, NULL);
+ set_bit(HID_DISCONNECTED, &usbhid->iofl);
spin_unlock_irq(&usbhid->inlock);
usb_kill_urb(usbhid->urbin);
usb_kill_urb(usbhid->urbout);
hidinput_disconnect(hid);
if (hid->claimed & HID_CLAIMED_HIDDEV)
hiddev_disconnect(hid);
+ if (hid->claimed & HID_CLAIMED_HIDRAW)
+ hidraw_disconnect(hid);
usb_free_urb(usbhid->urbin);
usb_free_urb(usbhid->urbctrl);
usb_free_urb(usbhid->urbout);
hid_free_buffers(hid_to_usb_dev(hid), hid);
+ kfree(usbhid);
hid_free_device(hid);
}
hid->claimed |= HID_CLAIMED_INPUT;
if (!hiddev_connect(hid))
hid->claimed |= HID_CLAIMED_HIDDEV;
+ if (!hidraw_connect(hid))
+ hid->claimed |= HID_CLAIMED_HIDRAW;
usb_set_intfdata(intf, hid);
if (!hid->claimed) {
- printk ("HID device not claimed by input or hiddev\n");
+ printk ("HID device claimed by neither input, hiddev nor hidraw\n");
hid_disconnect(intf);
return -ENODEV;
}
if (hid->claimed & HID_CLAIMED_INPUT)
printk("input");
- if (hid->claimed == (HID_CLAIMED_INPUT | HID_CLAIMED_HIDDEV))
+ if ((hid->claimed & HID_CLAIMED_INPUT) && ((hid->claimed & HID_CLAIMED_HIDDEV) ||
+ hid->claimed & HID_CLAIMED_HIDRAW))
printk(",");
if (hid->claimed & HID_CLAIMED_HIDDEV)
printk("hiddev%d", hid->minor);
+ if ((hid->claimed & HID_CLAIMED_INPUT) && (hid->claimed & HID_CLAIMED_HIDDEV) &&
+ (hid->claimed & HID_CLAIMED_HIDRAW))
+ printk(",");
+ if (hid->claimed & HID_CLAIMED_HIDRAW)
+ printk("hidraw%d", ((struct hidraw*)hid->hidraw)->minor);
c = "Device";
for (i = 0; i < hid->maxcollection; i++) {
.pre_reset = hid_pre_reset,
.post_reset = hid_post_reset,
.id_table = hid_usb_ids,
+ .supports_autosuspend = 1,
};
static int __init hid_init(void)