Lines Matching refs:usbhid
77 static void hid_cancel_delayed_stuff(struct usbhid_device *usbhid);
84 struct usbhid_device *usbhid = hid->driver_data; in hid_start_in() local
86 spin_lock_irqsave(&usbhid->lock, flags); in hid_start_in()
87 if (test_bit(HID_IN_POLLING, &usbhid->iofl) && in hid_start_in()
88 !test_bit(HID_DISCONNECTED, &usbhid->iofl) && in hid_start_in()
89 !test_bit(HID_SUSPENDED, &usbhid->iofl) && in hid_start_in()
90 !test_and_set_bit(HID_IN_RUNNING, &usbhid->iofl)) { in hid_start_in()
91 rc = usb_submit_urb(usbhid->urbin, GFP_ATOMIC); in hid_start_in()
93 clear_bit(HID_IN_RUNNING, &usbhid->iofl); in hid_start_in()
95 set_bit(HID_NO_BANDWIDTH, &usbhid->iofl); in hid_start_in()
97 clear_bit(HID_NO_BANDWIDTH, &usbhid->iofl); in hid_start_in()
100 spin_unlock_irqrestore(&usbhid->lock, flags); in hid_start_in()
107 struct usbhid_device *usbhid = from_timer(usbhid, t, io_retry); in hid_retry_timeout() local
108 struct hid_device *hid = usbhid->hid; in hid_retry_timeout()
110 dev_dbg(&usbhid->intf->dev, "retrying intr urb\n"); in hid_retry_timeout()
118 struct usbhid_device *usbhid = in hid_reset() local
120 struct hid_device *hid = usbhid->hid; in hid_reset()
123 if (test_bit(HID_CLEAR_HALT, &usbhid->iofl)) { in hid_reset()
124 dev_dbg(&usbhid->intf->dev, "clear halt\n"); in hid_reset()
125 rc = usb_clear_halt(hid_to_usb_dev(hid), usbhid->urbin->pipe); in hid_reset()
126 clear_bit(HID_CLEAR_HALT, &usbhid->iofl); in hid_reset()
130 dev_dbg(&usbhid->intf->dev, in hid_reset()
132 set_bit(HID_RESET_PENDING, &usbhid->iofl); in hid_reset()
136 if (test_bit(HID_RESET_PENDING, &usbhid->iofl)) { in hid_reset()
137 dev_dbg(&usbhid->intf->dev, "resetting device\n"); in hid_reset()
138 usb_queue_reset_device(usbhid->intf); in hid_reset()
146 struct usbhid_device *usbhid = hid->driver_data; in hid_io_error() local
148 spin_lock_irqsave(&usbhid->lock, flags); in hid_io_error()
151 if (test_bit(HID_DISCONNECTED, &usbhid->iofl)) in hid_io_error()
156 if (time_after(jiffies, usbhid->stop_retry + HZ/2)) in hid_io_error()
157 usbhid->retry_delay = 0; in hid_io_error()
160 if (usbhid->retry_delay == 0) { in hid_io_error()
161 usbhid->retry_delay = 13; /* Then 26, 52, 104, 104, ... */ in hid_io_error()
162 usbhid->stop_retry = jiffies + msecs_to_jiffies(1000); in hid_io_error()
163 } else if (usbhid->retry_delay < 100) in hid_io_error()
164 usbhid->retry_delay *= 2; in hid_io_error()
166 if (time_after(jiffies, usbhid->stop_retry)) { in hid_io_error()
169 if (!test_bit(HID_NO_BANDWIDTH, &usbhid->iofl) in hid_io_error()
170 && !test_and_set_bit(HID_RESET_PENDING, &usbhid->iofl)) { in hid_io_error()
172 schedule_work(&usbhid->reset_work); in hid_io_error()
177 mod_timer(&usbhid->io_retry, in hid_io_error()
178 jiffies + msecs_to_jiffies(usbhid->retry_delay)); in hid_io_error()
180 spin_unlock_irqrestore(&usbhid->lock, flags); in hid_io_error()
183 static void usbhid_mark_busy(struct usbhid_device *usbhid) in usbhid_mark_busy() argument
185 struct usb_interface *intf = usbhid->intf; in usbhid_mark_busy()
190 static int usbhid_restart_out_queue(struct usbhid_device *usbhid) in usbhid_restart_out_queue() argument
192 struct hid_device *hid = usb_get_intfdata(usbhid->intf); in usbhid_restart_out_queue()
196 if (!hid || test_bit(HID_RESET_PENDING, &usbhid->iofl) || in usbhid_restart_out_queue()
197 test_bit(HID_SUSPENDED, &usbhid->iofl)) in usbhid_restart_out_queue()
200 if ((kicked = (usbhid->outhead != usbhid->outtail))) { in usbhid_restart_out_queue()
201 hid_dbg(hid, "Kicking head %d tail %d", usbhid->outhead, usbhid->outtail); in usbhid_restart_out_queue()
204 r = usb_autopm_get_interface_async(usbhid->intf); in usbhid_restart_out_queue()
212 if (test_bit(HID_SUSPENDED, &usbhid->iofl)) { in usbhid_restart_out_queue()
213 usb_autopm_put_interface_no_suspend(usbhid->intf); in usbhid_restart_out_queue()
218 set_bit(HID_OUT_RUNNING, &usbhid->iofl); in usbhid_restart_out_queue()
220 clear_bit(HID_OUT_RUNNING, &usbhid->iofl); in usbhid_restart_out_queue()
221 usb_autopm_put_interface_async(usbhid->intf); in usbhid_restart_out_queue()
223 wake_up(&usbhid->wait); in usbhid_restart_out_queue()
228 static int usbhid_restart_ctrl_queue(struct usbhid_device *usbhid) in usbhid_restart_ctrl_queue() argument
230 struct hid_device *hid = usb_get_intfdata(usbhid->intf); in usbhid_restart_ctrl_queue()
235 if (!hid || test_bit(HID_RESET_PENDING, &usbhid->iofl) || in usbhid_restart_ctrl_queue()
236 test_bit(HID_SUSPENDED, &usbhid->iofl)) in usbhid_restart_ctrl_queue()
239 if ((kicked = (usbhid->ctrlhead != usbhid->ctrltail))) { in usbhid_restart_ctrl_queue()
240 hid_dbg(hid, "Kicking head %d tail %d", usbhid->ctrlhead, usbhid->ctrltail); in usbhid_restart_ctrl_queue()
243 r = usb_autopm_get_interface_async(usbhid->intf); in usbhid_restart_ctrl_queue()
251 if (test_bit(HID_SUSPENDED, &usbhid->iofl)) { in usbhid_restart_ctrl_queue()
252 usb_autopm_put_interface_no_suspend(usbhid->intf); in usbhid_restart_ctrl_queue()
257 set_bit(HID_CTRL_RUNNING, &usbhid->iofl); in usbhid_restart_ctrl_queue()
259 clear_bit(HID_CTRL_RUNNING, &usbhid->iofl); in usbhid_restart_ctrl_queue()
260 usb_autopm_put_interface_async(usbhid->intf); in usbhid_restart_ctrl_queue()
262 wake_up(&usbhid->wait); in usbhid_restart_ctrl_queue()
274 struct usbhid_device *usbhid = hid->driver_data; in hid_irq_in() local
279 usbhid->retry_delay = 0; in hid_irq_in()
280 if (!test_bit(HID_OPENED, &usbhid->iofl)) in hid_irq_in()
282 usbhid_mark_busy(usbhid); in hid_irq_in()
283 if (!test_bit(HID_RESUME_RUNNING, &usbhid->iofl)) { in hid_irq_in()
293 set_bit(HID_KEYS_PRESSED, &usbhid->iofl); in hid_irq_in()
295 clear_bit(HID_KEYS_PRESSED, &usbhid->iofl); in hid_irq_in()
299 usbhid_mark_busy(usbhid); in hid_irq_in()
300 clear_bit(HID_IN_RUNNING, &usbhid->iofl); in hid_irq_in()
301 set_bit(HID_CLEAR_HALT, &usbhid->iofl); in hid_irq_in()
302 schedule_work(&usbhid->reset_work); in hid_irq_in()
307 clear_bit(HID_IN_RUNNING, &usbhid->iofl); in hid_irq_in()
313 usbhid_mark_busy(usbhid); in hid_irq_in()
314 clear_bit(HID_IN_RUNNING, &usbhid->iofl); in hid_irq_in()
324 clear_bit(HID_IN_RUNNING, &usbhid->iofl); in hid_irq_in()
329 usbhid->ifnum, status); in hid_irq_in()
339 struct usbhid_device *usbhid = hid->driver_data; in hid_submit_out() local
342 report = usbhid->out[usbhid->outtail].report; in hid_submit_out()
343 raw_report = usbhid->out[usbhid->outtail].raw_report; in hid_submit_out()
345 usbhid->urbout->transfer_buffer_length = hid_report_len(report); in hid_submit_out()
346 usbhid->urbout->dev = hid_to_usb_dev(hid); in hid_submit_out()
348 memcpy(usbhid->outbuf, raw_report, in hid_submit_out()
349 usbhid->urbout->transfer_buffer_length); in hid_submit_out()
351 usbhid->out[usbhid->outtail].raw_report = NULL; in hid_submit_out()
356 r = usb_submit_urb(usbhid->urbout, GFP_ATOMIC); in hid_submit_out()
361 usbhid->last_out = jiffies; in hid_submit_out()
371 struct usbhid_device *usbhid = hid->driver_data; in hid_submit_ctrl() local
373 report = usbhid->ctrl[usbhid->ctrltail].report; in hid_submit_ctrl()
374 raw_report = usbhid->ctrl[usbhid->ctrltail].raw_report; in hid_submit_ctrl()
375 dir = usbhid->ctrl[usbhid->ctrltail].dir; in hid_submit_ctrl()
379 usbhid->urbctrl->pipe = usb_sndctrlpipe(hid_to_usb_dev(hid), 0); in hid_submit_ctrl()
381 memcpy(usbhid->ctrlbuf, raw_report, len); in hid_submit_ctrl()
383 usbhid->ctrl[usbhid->ctrltail].raw_report = NULL; in hid_submit_ctrl()
388 usbhid->urbctrl->pipe = usb_rcvctrlpipe(hid_to_usb_dev(hid), 0); in hid_submit_ctrl()
390 usbhid->urbctrl->pipe); in hid_submit_ctrl()
393 if (len > usbhid->bufsize) in hid_submit_ctrl()
394 len = usbhid->bufsize; in hid_submit_ctrl()
396 usbhid->urbctrl->transfer_buffer_length = len; in hid_submit_ctrl()
397 usbhid->urbctrl->dev = hid_to_usb_dev(hid); in hid_submit_ctrl()
399 usbhid->cr->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE | dir; in hid_submit_ctrl()
400 usbhid->cr->bRequest = (dir == USB_DIR_OUT) ? HID_REQ_SET_REPORT : in hid_submit_ctrl()
402 usbhid->cr->wValue = cpu_to_le16(((report->type + 1) << 8) | in hid_submit_ctrl()
404 usbhid->cr->wIndex = cpu_to_le16(usbhid->ifnum); in hid_submit_ctrl()
405 usbhid->cr->wLength = cpu_to_le16(len); in hid_submit_ctrl()
408 usbhid->cr->bRequest == HID_REQ_SET_REPORT ? "Set_Report" : in hid_submit_ctrl()
410 usbhid->cr->wValue, usbhid->cr->wIndex, usbhid->cr->wLength); in hid_submit_ctrl()
412 r = usb_submit_urb(usbhid->urbctrl, GFP_ATOMIC); in hid_submit_ctrl()
417 usbhid->last_ctrl = jiffies; in hid_submit_ctrl()
428 struct usbhid_device *usbhid = hid->driver_data; in hid_irq_out() local
448 spin_lock_irqsave(&usbhid->lock, flags); in hid_irq_out()
451 usbhid->outtail = usbhid->outhead; in hid_irq_out()
453 usbhid->outtail = (usbhid->outtail + 1) & (HID_OUTPUT_FIFO_SIZE - 1); in hid_irq_out()
455 if (usbhid->outhead != usbhid->outtail && in hid_irq_out()
458 spin_unlock_irqrestore(&usbhid->lock, flags); in hid_irq_out()
463 clear_bit(HID_OUT_RUNNING, &usbhid->iofl); in hid_irq_out()
464 spin_unlock_irqrestore(&usbhid->lock, flags); in hid_irq_out()
465 usb_autopm_put_interface_async(usbhid->intf); in hid_irq_out()
466 wake_up(&usbhid->wait); in hid_irq_out()
476 struct usbhid_device *usbhid = hid->driver_data; in hid_ctrl() local
482 if (usbhid->ctrl[usbhid->ctrltail].dir == USB_DIR_IN) in hid_ctrl()
484 usbhid->ctrl[usbhid->ctrltail].report->type, in hid_ctrl()
500 spin_lock_irqsave(&usbhid->lock, flags); in hid_ctrl()
503 usbhid->ctrltail = usbhid->ctrlhead; in hid_ctrl()
504 } else if (usbhid->ctrlhead != usbhid->ctrltail) { in hid_ctrl()
505 usbhid->ctrltail = (usbhid->ctrltail + 1) & (HID_CONTROL_FIFO_SIZE - 1); in hid_ctrl()
507 if (usbhid->ctrlhead != usbhid->ctrltail && in hid_ctrl()
510 spin_unlock_irqrestore(&usbhid->lock, flags); in hid_ctrl()
515 clear_bit(HID_CTRL_RUNNING, &usbhid->iofl); in hid_ctrl()
516 spin_unlock_irqrestore(&usbhid->lock, flags); in hid_ctrl()
517 usb_autopm_put_interface_async(usbhid->intf); in hid_ctrl()
518 wake_up(&usbhid->wait); in hid_ctrl()
525 struct usbhid_device *usbhid = hid->driver_data; in __usbhid_submit_report() local
528 test_bit(HID_DISCONNECTED, &usbhid->iofl)) in __usbhid_submit_report()
531 if (usbhid->urbout && dir == USB_DIR_OUT && report->type == HID_OUTPUT_REPORT) { in __usbhid_submit_report()
532 if ((head = (usbhid->outhead + 1) & (HID_OUTPUT_FIFO_SIZE - 1)) == usbhid->outtail) { in __usbhid_submit_report()
537 usbhid->out[usbhid->outhead].raw_report = hid_alloc_report_buf(report, GFP_ATOMIC); in __usbhid_submit_report()
538 if (!usbhid->out[usbhid->outhead].raw_report) { in __usbhid_submit_report()
542 hid_output_report(report, usbhid->out[usbhid->outhead].raw_report); in __usbhid_submit_report()
543 usbhid->out[usbhid->outhead].report = report; in __usbhid_submit_report()
544 usbhid->outhead = head; in __usbhid_submit_report()
547 if (!test_bit(HID_OUT_RUNNING, &usbhid->iofl)) { in __usbhid_submit_report()
548 usbhid_restart_out_queue(usbhid); in __usbhid_submit_report()
551 } else if (time_after(jiffies, usbhid->last_out + HZ * 5)) { in __usbhid_submit_report()
554 usb_autopm_get_interface_no_resume(usbhid->intf); in __usbhid_submit_report()
561 usb_block_urb(usbhid->urbout); in __usbhid_submit_report()
564 spin_unlock(&usbhid->lock); in __usbhid_submit_report()
566 usb_unlink_urb(usbhid->urbout); in __usbhid_submit_report()
567 spin_lock(&usbhid->lock); in __usbhid_submit_report()
568 usb_unblock_urb(usbhid->urbout); in __usbhid_submit_report()
571 if (!test_bit(HID_OUT_RUNNING, &usbhid->iofl)) in __usbhid_submit_report()
572 usbhid_restart_out_queue(usbhid); in __usbhid_submit_report()
575 usb_autopm_put_interface_async(usbhid->intf); in __usbhid_submit_report()
580 if ((head = (usbhid->ctrlhead + 1) & (HID_CONTROL_FIFO_SIZE - 1)) == usbhid->ctrltail) { in __usbhid_submit_report()
586 usbhid->ctrl[usbhid->ctrlhead].raw_report = hid_alloc_report_buf(report, GFP_ATOMIC); in __usbhid_submit_report()
587 if (!usbhid->ctrl[usbhid->ctrlhead].raw_report) { in __usbhid_submit_report()
591 hid_output_report(report, usbhid->ctrl[usbhid->ctrlhead].raw_report); in __usbhid_submit_report()
593 usbhid->ctrl[usbhid->ctrlhead].report = report; in __usbhid_submit_report()
594 usbhid->ctrl[usbhid->ctrlhead].dir = dir; in __usbhid_submit_report()
595 usbhid->ctrlhead = head; in __usbhid_submit_report()
598 if (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl)) { in __usbhid_submit_report()
599 usbhid_restart_ctrl_queue(usbhid); in __usbhid_submit_report()
602 } else if (time_after(jiffies, usbhid->last_ctrl + HZ * 5)) { in __usbhid_submit_report()
605 usb_autopm_get_interface_no_resume(usbhid->intf); in __usbhid_submit_report()
612 usb_block_urb(usbhid->urbctrl); in __usbhid_submit_report()
615 spin_unlock(&usbhid->lock); in __usbhid_submit_report()
617 usb_unlink_urb(usbhid->urbctrl); in __usbhid_submit_report()
618 spin_lock(&usbhid->lock); in __usbhid_submit_report()
619 usb_unblock_urb(usbhid->urbctrl); in __usbhid_submit_report()
622 if (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl)) in __usbhid_submit_report()
623 usbhid_restart_ctrl_queue(usbhid); in __usbhid_submit_report()
626 usb_autopm_put_interface_async(usbhid->intf); in __usbhid_submit_report()
632 struct usbhid_device *usbhid = hid->driver_data; in usbhid_submit_report() local
635 spin_lock_irqsave(&usbhid->lock, flags); in usbhid_submit_report()
637 spin_unlock_irqrestore(&usbhid->lock, flags); in usbhid_submit_report()
642 struct usbhid_device *usbhid = hid->driver_data; in usbhid_wait_io() local
644 if (!wait_event_timeout(usbhid->wait, in usbhid_wait_io()
645 (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl) && in usbhid_wait_io()
646 !test_bit(HID_OUT_RUNNING, &usbhid->iofl)), in usbhid_wait_io()
680 struct usbhid_device *usbhid = hid->driver_data; in usbhid_open() local
683 mutex_lock(&usbhid->mutex); in usbhid_open()
685 set_bit(HID_OPENED, &usbhid->iofl); in usbhid_open()
692 res = usb_autopm_get_interface(usbhid->intf); in usbhid_open()
695 clear_bit(HID_OPENED, &usbhid->iofl); in usbhid_open()
700 usbhid->intf->needs_remote_wakeup = 1; in usbhid_open()
702 set_bit(HID_RESUME_RUNNING, &usbhid->iofl); in usbhid_open()
703 set_bit(HID_IN_POLLING, &usbhid->iofl); in usbhid_open()
713 clear_bit(HID_OPENED, &usbhid->iofl); in usbhid_open()
714 clear_bit(HID_IN_POLLING, &usbhid->iofl); in usbhid_open()
715 usbhid->intf->needs_remote_wakeup = 0; in usbhid_open()
719 usb_autopm_put_interface(usbhid->intf); in usbhid_open()
730 clear_bit(HID_RESUME_RUNNING, &usbhid->iofl); in usbhid_open()
733 mutex_unlock(&usbhid->mutex); in usbhid_open()
739 struct usbhid_device *usbhid = hid->driver_data; in usbhid_close() local
741 mutex_lock(&usbhid->mutex); in usbhid_close()
748 spin_lock_irq(&usbhid->lock); in usbhid_close()
749 clear_bit(HID_OPENED, &usbhid->iofl); in usbhid_close()
751 clear_bit(HID_IN_POLLING, &usbhid->iofl); in usbhid_close()
752 spin_unlock_irq(&usbhid->lock); in usbhid_close()
755 hid_cancel_delayed_stuff(usbhid); in usbhid_close()
756 usb_kill_urb(usbhid->urbin); in usbhid_close()
757 usbhid->intf->needs_remote_wakeup = 0; in usbhid_close()
760 mutex_unlock(&usbhid->mutex); in usbhid_close()
770 struct usbhid_device *usbhid = hid->driver_data; in usbhid_init_reports() local
786 if (test_bit(HID_CTRL_RUNNING, &usbhid->iofl)) in usbhid_init_reports()
787 usb_kill_urb(usbhid->urbctrl); in usbhid_init_reports()
788 if (test_bit(HID_OUT_RUNNING, &usbhid->iofl)) in usbhid_init_reports()
789 usb_kill_urb(usbhid->urbout); in usbhid_init_reports()
853 struct usbhid_device *usbhid = hid->driver_data; in hid_alloc_buffers() local
855 usbhid->inbuf = usb_alloc_coherent(dev, usbhid->bufsize, GFP_KERNEL, in hid_alloc_buffers()
856 &usbhid->inbuf_dma); in hid_alloc_buffers()
857 usbhid->outbuf = usb_alloc_coherent(dev, usbhid->bufsize, GFP_KERNEL, in hid_alloc_buffers()
858 &usbhid->outbuf_dma); in hid_alloc_buffers()
859 usbhid->cr = kmalloc(sizeof(*usbhid->cr), GFP_KERNEL); in hid_alloc_buffers()
860 usbhid->ctrlbuf = usb_alloc_coherent(dev, usbhid->bufsize, GFP_KERNEL, in hid_alloc_buffers()
861 &usbhid->ctrlbuf_dma); in hid_alloc_buffers()
862 if (!usbhid->inbuf || !usbhid->outbuf || !usbhid->cr || in hid_alloc_buffers()
863 !usbhid->ctrlbuf) in hid_alloc_buffers()
873 struct usbhid_device *usbhid = hid->driver_data; in usbhid_get_raw_report() local
875 struct usb_interface *intf = usbhid->intf; in usbhid_get_raw_report()
906 struct usbhid_device *usbhid = hid->driver_data; in usbhid_set_raw_report() local
908 struct usb_interface *intf = usbhid->intf; in usbhid_set_raw_report()
941 struct usbhid_device *usbhid = hid->driver_data; in usbhid_output_report() local
945 if (!usbhid->urbout) in usbhid_output_report()
955 ret = usb_interrupt_msg(dev, usbhid->urbout->pipe, in usbhid_output_report()
971 struct usbhid_device *usbhid = hid->driver_data; in hid_free_buffers() local
973 usb_free_coherent(dev, usbhid->bufsize, usbhid->inbuf, usbhid->inbuf_dma); in hid_free_buffers()
974 usb_free_coherent(dev, usbhid->bufsize, usbhid->outbuf, usbhid->outbuf_dma); in hid_free_buffers()
975 kfree(usbhid->cr); in hid_free_buffers()
976 usb_free_coherent(dev, usbhid->bufsize, usbhid->ctrlbuf, usbhid->ctrlbuf_dma); in hid_free_buffers()
1065 struct usbhid_device *usbhid = hid->driver_data; in usbhid_start() local
1069 mutex_lock(&usbhid->mutex); in usbhid_start()
1071 clear_bit(HID_DISCONNECTED, &usbhid->iofl); in usbhid_start()
1073 usbhid->bufsize = HID_MIN_BUFFER_SIZE; in usbhid_start()
1074 hid_find_max_report(hid, HID_INPUT_REPORT, &usbhid->bufsize); in usbhid_start()
1075 hid_find_max_report(hid, HID_OUTPUT_REPORT, &usbhid->bufsize); in usbhid_start()
1076 hid_find_max_report(hid, HID_FEATURE_REPORT, &usbhid->bufsize); in usbhid_start()
1078 if (usbhid->bufsize > HID_MAX_BUFFER_SIZE) in usbhid_start()
1079 usbhid->bufsize = HID_MAX_BUFFER_SIZE; in usbhid_start()
1130 if (usbhid->urbin) in usbhid_start()
1132 if (!(usbhid->urbin = usb_alloc_urb(0, GFP_KERNEL))) in usbhid_start()
1135 usb_fill_int_urb(usbhid->urbin, dev, pipe, usbhid->inbuf, insize, in usbhid_start()
1137 usbhid->urbin->transfer_dma = usbhid->inbuf_dma; in usbhid_start()
1138 usbhid->urbin->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; in usbhid_start()
1140 if (usbhid->urbout) in usbhid_start()
1142 if (!(usbhid->urbout = usb_alloc_urb(0, GFP_KERNEL))) in usbhid_start()
1145 usb_fill_int_urb(usbhid->urbout, dev, pipe, usbhid->outbuf, 0, in usbhid_start()
1147 usbhid->urbout->transfer_dma = usbhid->outbuf_dma; in usbhid_start()
1148 usbhid->urbout->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; in usbhid_start()
1152 usbhid->urbctrl = usb_alloc_urb(0, GFP_KERNEL); in usbhid_start()
1153 if (!usbhid->urbctrl) { in usbhid_start()
1158 usb_fill_control_urb(usbhid->urbctrl, dev, 0, (void *) usbhid->cr, in usbhid_start()
1159 usbhid->ctrlbuf, 1, hid_ctrl, hid); in usbhid_start()
1160 usbhid->urbctrl->transfer_dma = usbhid->ctrlbuf_dma; in usbhid_start()
1161 usbhid->urbctrl->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; in usbhid_start()
1163 set_bit(HID_STARTED, &usbhid->iofl); in usbhid_start()
1166 ret = usb_autopm_get_interface(usbhid->intf); in usbhid_start()
1169 set_bit(HID_IN_POLLING, &usbhid->iofl); in usbhid_start()
1170 usbhid->intf->needs_remote_wakeup = 1; in usbhid_start()
1176 usb_autopm_put_interface(usbhid->intf); in usbhid_start()
1192 mutex_unlock(&usbhid->mutex); in usbhid_start()
1196 usb_free_urb(usbhid->urbin); in usbhid_start()
1197 usb_free_urb(usbhid->urbout); in usbhid_start()
1198 usb_free_urb(usbhid->urbctrl); in usbhid_start()
1199 usbhid->urbin = NULL; in usbhid_start()
1200 usbhid->urbout = NULL; in usbhid_start()
1201 usbhid->urbctrl = NULL; in usbhid_start()
1203 mutex_unlock(&usbhid->mutex); in usbhid_start()
1209 struct usbhid_device *usbhid = hid->driver_data; in usbhid_stop() local
1211 if (WARN_ON(!usbhid)) in usbhid_stop()
1215 clear_bit(HID_IN_POLLING, &usbhid->iofl); in usbhid_stop()
1216 usbhid->intf->needs_remote_wakeup = 0; in usbhid_stop()
1219 mutex_lock(&usbhid->mutex); in usbhid_stop()
1221 clear_bit(HID_STARTED, &usbhid->iofl); in usbhid_stop()
1223 spin_lock_irq(&usbhid->lock); /* Sync with error and led handlers */ in usbhid_stop()
1224 set_bit(HID_DISCONNECTED, &usbhid->iofl); in usbhid_stop()
1225 while (usbhid->ctrltail != usbhid->ctrlhead) { in usbhid_stop()
1226 if (usbhid->ctrl[usbhid->ctrltail].dir == USB_DIR_OUT) { in usbhid_stop()
1227 kfree(usbhid->ctrl[usbhid->ctrltail].raw_report); in usbhid_stop()
1228 usbhid->ctrl[usbhid->ctrltail].raw_report = NULL; in usbhid_stop()
1231 usbhid->ctrltail = (usbhid->ctrltail + 1) & in usbhid_stop()
1234 spin_unlock_irq(&usbhid->lock); in usbhid_stop()
1236 usb_kill_urb(usbhid->urbin); in usbhid_stop()
1237 usb_kill_urb(usbhid->urbout); in usbhid_stop()
1238 usb_kill_urb(usbhid->urbctrl); in usbhid_stop()
1240 hid_cancel_delayed_stuff(usbhid); in usbhid_stop()
1244 usb_free_urb(usbhid->urbin); in usbhid_stop()
1245 usb_free_urb(usbhid->urbctrl); in usbhid_stop()
1246 usb_free_urb(usbhid->urbout); in usbhid_stop()
1247 usbhid->urbin = NULL; /* don't mess up next start */ in usbhid_stop()
1248 usbhid->urbctrl = NULL; in usbhid_stop()
1249 usbhid->urbout = NULL; in usbhid_stop()
1253 mutex_unlock(&usbhid->mutex); in usbhid_stop()
1258 struct usbhid_device *usbhid = hid->driver_data; in usbhid_power() local
1263 r = usb_autopm_get_interface(usbhid->intf); in usbhid_power()
1267 usb_autopm_put_interface(usbhid->intf); in usbhid_power()
1341 struct usbhid_device *usbhid; in usbhid_probe() local
1407 usbhid = kzalloc(sizeof(*usbhid), GFP_KERNEL); in usbhid_probe()
1408 if (usbhid == NULL) { in usbhid_probe()
1413 hid->driver_data = usbhid; in usbhid_probe()
1414 usbhid->hid = hid; in usbhid_probe()
1415 usbhid->intf = intf; in usbhid_probe()
1416 usbhid->ifnum = interface->desc.bInterfaceNumber; in usbhid_probe()
1418 init_waitqueue_head(&usbhid->wait); in usbhid_probe()
1419 INIT_WORK(&usbhid->reset_work, hid_reset); in usbhid_probe()
1420 timer_setup(&usbhid->io_retry, hid_retry_timeout, 0); in usbhid_probe()
1421 spin_lock_init(&usbhid->lock); in usbhid_probe()
1422 mutex_init(&usbhid->mutex); in usbhid_probe()
1433 kfree(usbhid); in usbhid_probe()
1442 struct usbhid_device *usbhid; in usbhid_disconnect() local
1447 usbhid = hid->driver_data; in usbhid_disconnect()
1448 spin_lock_irq(&usbhid->lock); /* Sync with error and led handlers */ in usbhid_disconnect()
1449 set_bit(HID_DISCONNECTED, &usbhid->iofl); in usbhid_disconnect()
1450 spin_unlock_irq(&usbhid->lock); in usbhid_disconnect()
1452 kfree(usbhid); in usbhid_disconnect()
1455 static void hid_cancel_delayed_stuff(struct usbhid_device *usbhid) in hid_cancel_delayed_stuff() argument
1457 del_timer_sync(&usbhid->io_retry); in hid_cancel_delayed_stuff()
1458 cancel_work_sync(&usbhid->reset_work); in hid_cancel_delayed_stuff()
1461 static void hid_cease_io(struct usbhid_device *usbhid) in hid_cease_io() argument
1463 del_timer_sync(&usbhid->io_retry); in hid_cease_io()
1464 usb_kill_urb(usbhid->urbin); in hid_cease_io()
1465 usb_kill_urb(usbhid->urbctrl); in hid_cease_io()
1466 usb_kill_urb(usbhid->urbout); in hid_cease_io()
1471 struct usbhid_device *usbhid = hid->driver_data; in hid_restart_io() local
1472 int clear_halt = test_bit(HID_CLEAR_HALT, &usbhid->iofl); in hid_restart_io()
1473 int reset_pending = test_bit(HID_RESET_PENDING, &usbhid->iofl); in hid_restart_io()
1475 spin_lock_irq(&usbhid->lock); in hid_restart_io()
1476 clear_bit(HID_SUSPENDED, &usbhid->iofl); in hid_restart_io()
1477 usbhid_mark_busy(usbhid); in hid_restart_io()
1480 schedule_work(&usbhid->reset_work); in hid_restart_io()
1481 usbhid->retry_delay = 0; in hid_restart_io()
1482 spin_unlock_irq(&usbhid->lock); in hid_restart_io()
1484 if (reset_pending || !test_bit(HID_STARTED, &usbhid->iofl)) in hid_restart_io()
1492 spin_lock_irq(&usbhid->lock); in hid_restart_io()
1493 if (usbhid->urbout && !test_bit(HID_OUT_RUNNING, &usbhid->iofl)) in hid_restart_io()
1494 usbhid_restart_out_queue(usbhid); in hid_restart_io()
1495 if (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl)) in hid_restart_io()
1496 usbhid_restart_ctrl_queue(usbhid); in hid_restart_io()
1497 spin_unlock_irq(&usbhid->lock); in hid_restart_io()
1504 struct usbhid_device *usbhid = hid->driver_data; in hid_pre_reset() local
1506 spin_lock_irq(&usbhid->lock); in hid_pre_reset()
1507 set_bit(HID_RESET_PENDING, &usbhid->iofl); in hid_pre_reset()
1508 spin_unlock_irq(&usbhid->lock); in hid_pre_reset()
1509 hid_cease_io(usbhid); in hid_pre_reset()
1519 struct usbhid_device *usbhid = hid->driver_data; in hid_post_reset() local
1549 spin_lock_irq(&usbhid->lock); in hid_post_reset()
1550 clear_bit(HID_RESET_PENDING, &usbhid->iofl); in hid_post_reset()
1551 clear_bit(HID_CLEAR_HALT, &usbhid->iofl); in hid_post_reset()
1552 spin_unlock_irq(&usbhid->lock); in hid_post_reset()
1574 struct usbhid_device *usbhid = hid->driver_data; in hid_suspend() local
1581 spin_lock_irq(&usbhid->lock); /* Sync with error handler */ in hid_suspend()
1582 if (!test_bit(HID_RESET_PENDING, &usbhid->iofl) in hid_suspend()
1583 && !test_bit(HID_CLEAR_HALT, &usbhid->iofl) in hid_suspend()
1584 && !test_bit(HID_OUT_RUNNING, &usbhid->iofl) in hid_suspend()
1585 && !test_bit(HID_CTRL_RUNNING, &usbhid->iofl) in hid_suspend()
1586 && !test_bit(HID_KEYS_PRESSED, &usbhid->iofl) in hid_suspend()
1589 set_bit(HID_SUSPENDED, &usbhid->iofl); in hid_suspend()
1590 spin_unlock_irq(&usbhid->lock); in hid_suspend()
1596 usbhid_mark_busy(usbhid); in hid_suspend()
1597 spin_unlock_irq(&usbhid->lock); in hid_suspend()
1605 spin_lock_irq(&usbhid->lock); in hid_suspend()
1606 set_bit(HID_SUSPENDED, &usbhid->iofl); in hid_suspend()
1607 spin_unlock_irq(&usbhid->lock); in hid_suspend()
1612 hid_cancel_delayed_stuff(usbhid); in hid_suspend()
1613 hid_cease_io(usbhid); in hid_suspend()
1615 if (PMSG_IS_AUTO(message) && test_bit(HID_KEYS_PRESSED, &usbhid->iofl)) { in hid_suspend()