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()
380 usbhid->urbctrl->transfer_buffer_length = len; in hid_submit_ctrl()
382 memcpy(usbhid->ctrlbuf, raw_report, len); in hid_submit_ctrl()
384 usbhid->ctrl[usbhid->ctrltail].raw_report = NULL; in hid_submit_ctrl()
389 usbhid->urbctrl->pipe = usb_rcvctrlpipe(hid_to_usb_dev(hid), 0); in hid_submit_ctrl()
391 usbhid->urbctrl->pipe, 0); in hid_submit_ctrl()
395 if (padlen > usbhid->bufsize) in hid_submit_ctrl()
396 padlen = usbhid->bufsize; in hid_submit_ctrl()
399 usbhid->urbctrl->transfer_buffer_length = padlen; in hid_submit_ctrl()
401 usbhid->urbctrl->dev = hid_to_usb_dev(hid); in hid_submit_ctrl()
403 usbhid->cr->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE | dir; in hid_submit_ctrl()
404 usbhid->cr->bRequest = (dir == USB_DIR_OUT) ? HID_REQ_SET_REPORT : in hid_submit_ctrl()
406 usbhid->cr->wValue = cpu_to_le16(((report->type + 1) << 8) | in hid_submit_ctrl()
408 usbhid->cr->wIndex = cpu_to_le16(usbhid->ifnum); in hid_submit_ctrl()
409 usbhid->cr->wLength = cpu_to_le16(len); in hid_submit_ctrl()
412 usbhid->cr->bRequest == HID_REQ_SET_REPORT ? "Set_Report" : in hid_submit_ctrl()
414 usbhid->cr->wValue, usbhid->cr->wIndex, usbhid->cr->wLength); in hid_submit_ctrl()
416 r = usb_submit_urb(usbhid->urbctrl, GFP_ATOMIC); in hid_submit_ctrl()
421 usbhid->last_ctrl = jiffies; in hid_submit_ctrl()
432 struct usbhid_device *usbhid = hid->driver_data; in hid_irq_out() local
451 spin_lock_irqsave(&usbhid->lock, flags); in hid_irq_out()
454 usbhid->outtail = usbhid->outhead; in hid_irq_out()
456 usbhid->outtail = (usbhid->outtail + 1) & (HID_OUTPUT_FIFO_SIZE - 1); in hid_irq_out()
458 if (usbhid->outhead != usbhid->outtail && in hid_irq_out()
461 spin_unlock_irqrestore(&usbhid->lock, flags); in hid_irq_out()
466 clear_bit(HID_OUT_RUNNING, &usbhid->iofl); in hid_irq_out()
467 spin_unlock_irqrestore(&usbhid->lock, flags); in hid_irq_out()
468 usb_autopm_put_interface_async(usbhid->intf); in hid_irq_out()
469 wake_up(&usbhid->wait); in hid_irq_out()
479 struct usbhid_device *usbhid = hid->driver_data; in hid_ctrl() local
485 if (usbhid->ctrl[usbhid->ctrltail].dir == USB_DIR_IN) in hid_ctrl()
487 usbhid->ctrl[usbhid->ctrltail].report->type, in hid_ctrl()
502 spin_lock_irqsave(&usbhid->lock, flags); in hid_ctrl()
505 usbhid->ctrltail = usbhid->ctrlhead; in hid_ctrl()
507 usbhid->ctrltail = (usbhid->ctrltail + 1) & (HID_CONTROL_FIFO_SIZE - 1); in hid_ctrl()
509 if (usbhid->ctrlhead != usbhid->ctrltail && in hid_ctrl()
512 spin_unlock_irqrestore(&usbhid->lock, flags); in hid_ctrl()
517 clear_bit(HID_CTRL_RUNNING, &usbhid->iofl); in hid_ctrl()
518 spin_unlock_irqrestore(&usbhid->lock, flags); in hid_ctrl()
519 usb_autopm_put_interface_async(usbhid->intf); in hid_ctrl()
520 wake_up(&usbhid->wait); in hid_ctrl()
527 struct usbhid_device *usbhid = hid->driver_data; in __usbhid_submit_report() local
530 test_bit(HID_DISCONNECTED, &usbhid->iofl)) in __usbhid_submit_report()
533 if (usbhid->urbout && dir == USB_DIR_OUT && report->type == HID_OUTPUT_REPORT) { in __usbhid_submit_report()
534 if ((head = (usbhid->outhead + 1) & (HID_OUTPUT_FIFO_SIZE - 1)) == usbhid->outtail) { in __usbhid_submit_report()
539 usbhid->out[usbhid->outhead].raw_report = hid_alloc_report_buf(report, GFP_ATOMIC); in __usbhid_submit_report()
540 if (!usbhid->out[usbhid->outhead].raw_report) { in __usbhid_submit_report()
544 hid_output_report(report, usbhid->out[usbhid->outhead].raw_report); in __usbhid_submit_report()
545 usbhid->out[usbhid->outhead].report = report; in __usbhid_submit_report()
546 usbhid->outhead = head; in __usbhid_submit_report()
549 if (!test_bit(HID_OUT_RUNNING, &usbhid->iofl)) { in __usbhid_submit_report()
550 usbhid_restart_out_queue(usbhid); in __usbhid_submit_report()
553 } else if (time_after(jiffies, usbhid->last_out + HZ * 5)) { in __usbhid_submit_report()
556 usb_autopm_get_interface_no_resume(usbhid->intf); in __usbhid_submit_report()
563 usb_block_urb(usbhid->urbout); in __usbhid_submit_report()
566 spin_unlock(&usbhid->lock); in __usbhid_submit_report()
568 usb_unlink_urb(usbhid->urbout); in __usbhid_submit_report()
569 spin_lock(&usbhid->lock); in __usbhid_submit_report()
570 usb_unblock_urb(usbhid->urbout); in __usbhid_submit_report()
573 if (!test_bit(HID_OUT_RUNNING, &usbhid->iofl)) in __usbhid_submit_report()
574 usbhid_restart_out_queue(usbhid); in __usbhid_submit_report()
577 usb_autopm_put_interface_async(usbhid->intf); in __usbhid_submit_report()
582 if ((head = (usbhid->ctrlhead + 1) & (HID_CONTROL_FIFO_SIZE - 1)) == usbhid->ctrltail) { in __usbhid_submit_report()
588 usbhid->ctrl[usbhid->ctrlhead].raw_report = hid_alloc_report_buf(report, GFP_ATOMIC); in __usbhid_submit_report()
589 if (!usbhid->ctrl[usbhid->ctrlhead].raw_report) { in __usbhid_submit_report()
593 hid_output_report(report, usbhid->ctrl[usbhid->ctrlhead].raw_report); in __usbhid_submit_report()
595 usbhid->ctrl[usbhid->ctrlhead].report = report; in __usbhid_submit_report()
596 usbhid->ctrl[usbhid->ctrlhead].dir = dir; in __usbhid_submit_report()
597 usbhid->ctrlhead = head; in __usbhid_submit_report()
600 if (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl)) { in __usbhid_submit_report()
601 usbhid_restart_ctrl_queue(usbhid); in __usbhid_submit_report()
604 } else if (time_after(jiffies, usbhid->last_ctrl + HZ * 5)) { in __usbhid_submit_report()
607 usb_autopm_get_interface_no_resume(usbhid->intf); in __usbhid_submit_report()
614 usb_block_urb(usbhid->urbctrl); in __usbhid_submit_report()
617 spin_unlock(&usbhid->lock); in __usbhid_submit_report()
619 usb_unlink_urb(usbhid->urbctrl); in __usbhid_submit_report()
620 spin_lock(&usbhid->lock); in __usbhid_submit_report()
621 usb_unblock_urb(usbhid->urbctrl); in __usbhid_submit_report()
624 if (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl)) in __usbhid_submit_report()
625 usbhid_restart_ctrl_queue(usbhid); in __usbhid_submit_report()
628 usb_autopm_put_interface_async(usbhid->intf); in __usbhid_submit_report()
634 struct usbhid_device *usbhid = hid->driver_data; in usbhid_submit_report() local
637 spin_lock_irqsave(&usbhid->lock, flags); in usbhid_submit_report()
639 spin_unlock_irqrestore(&usbhid->lock, flags); in usbhid_submit_report()
644 struct usbhid_device *usbhid = hid->driver_data; in usbhid_wait_io() local
646 if (!wait_event_timeout(usbhid->wait, in usbhid_wait_io()
647 (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl) && in usbhid_wait_io()
648 !test_bit(HID_OUT_RUNNING, &usbhid->iofl)), in usbhid_wait_io()
682 struct usbhid_device *usbhid = hid->driver_data; in usbhid_open() local
685 set_bit(HID_OPENED, &usbhid->iofl); in usbhid_open()
690 res = usb_autopm_get_interface(usbhid->intf); in usbhid_open()
693 clear_bit(HID_OPENED, &usbhid->iofl); in usbhid_open()
697 usbhid->intf->needs_remote_wakeup = 1; in usbhid_open()
699 set_bit(HID_RESUME_RUNNING, &usbhid->iofl); in usbhid_open()
700 set_bit(HID_IN_POLLING, &usbhid->iofl); in usbhid_open()
710 clear_bit(HID_OPENED, &usbhid->iofl); in usbhid_open()
711 clear_bit(HID_IN_POLLING, &usbhid->iofl); in usbhid_open()
712 usbhid->intf->needs_remote_wakeup = 0; in usbhid_open()
716 usb_autopm_put_interface(usbhid->intf); in usbhid_open()
727 clear_bit(HID_RESUME_RUNNING, &usbhid->iofl); in usbhid_open()
733 struct usbhid_device *usbhid = hid->driver_data; in usbhid_close() local
740 spin_lock_irq(&usbhid->lock); in usbhid_close()
741 clear_bit(HID_OPENED, &usbhid->iofl); in usbhid_close()
743 clear_bit(HID_IN_POLLING, &usbhid->iofl); in usbhid_close()
744 spin_unlock_irq(&usbhid->lock); in usbhid_close()
749 hid_cancel_delayed_stuff(usbhid); in usbhid_close()
750 usb_kill_urb(usbhid->urbin); in usbhid_close()
751 usbhid->intf->needs_remote_wakeup = 0; in usbhid_close()
761 struct usbhid_device *usbhid = hid->driver_data; in usbhid_init_reports() local
777 if (test_bit(HID_CTRL_RUNNING, &usbhid->iofl)) in usbhid_init_reports()
778 usb_kill_urb(usbhid->urbctrl); in usbhid_init_reports()
779 if (test_bit(HID_OUT_RUNNING, &usbhid->iofl)) in usbhid_init_reports()
780 usb_kill_urb(usbhid->urbout); in usbhid_init_reports()
844 struct usbhid_device *usbhid = hid->driver_data; in hid_alloc_buffers() local
846 usbhid->inbuf = usb_alloc_coherent(dev, usbhid->bufsize, GFP_KERNEL, in hid_alloc_buffers()
847 &usbhid->inbuf_dma); in hid_alloc_buffers()
848 usbhid->outbuf = usb_alloc_coherent(dev, usbhid->bufsize, GFP_KERNEL, in hid_alloc_buffers()
849 &usbhid->outbuf_dma); in hid_alloc_buffers()
850 usbhid->cr = kmalloc(sizeof(*usbhid->cr), GFP_KERNEL); in hid_alloc_buffers()
851 usbhid->ctrlbuf = usb_alloc_coherent(dev, usbhid->bufsize, GFP_KERNEL, in hid_alloc_buffers()
852 &usbhid->ctrlbuf_dma); in hid_alloc_buffers()
853 if (!usbhid->inbuf || !usbhid->outbuf || !usbhid->cr || in hid_alloc_buffers()
854 !usbhid->ctrlbuf) in hid_alloc_buffers()
864 struct usbhid_device *usbhid = hid->driver_data; in usbhid_get_raw_report() local
866 struct usb_interface *intf = usbhid->intf; in usbhid_get_raw_report()
897 struct usbhid_device *usbhid = hid->driver_data; in usbhid_set_raw_report() local
899 struct usb_interface *intf = usbhid->intf; in usbhid_set_raw_report()
932 struct usbhid_device *usbhid = hid->driver_data; in usbhid_output_report() local
936 if (!usbhid->urbout) in usbhid_output_report()
946 ret = usb_interrupt_msg(dev, usbhid->urbout->pipe, in usbhid_output_report()
962 struct usbhid_device *usbhid = hid->driver_data; in hid_free_buffers() local
964 usb_free_coherent(dev, usbhid->bufsize, usbhid->inbuf, usbhid->inbuf_dma); in hid_free_buffers()
965 usb_free_coherent(dev, usbhid->bufsize, usbhid->outbuf, usbhid->outbuf_dma); in hid_free_buffers()
966 kfree(usbhid->cr); in hid_free_buffers()
967 usb_free_coherent(dev, usbhid->bufsize, usbhid->ctrlbuf, usbhid->ctrlbuf_dma); in hid_free_buffers()
1056 struct usbhid_device *usbhid = hid->driver_data; in usbhid_start() local
1060 clear_bit(HID_DISCONNECTED, &usbhid->iofl); in usbhid_start()
1062 usbhid->bufsize = HID_MIN_BUFFER_SIZE; in usbhid_start()
1063 hid_find_max_report(hid, HID_INPUT_REPORT, &usbhid->bufsize); in usbhid_start()
1064 hid_find_max_report(hid, HID_OUTPUT_REPORT, &usbhid->bufsize); in usbhid_start()
1065 hid_find_max_report(hid, HID_FEATURE_REPORT, &usbhid->bufsize); in usbhid_start()
1067 if (usbhid->bufsize > HID_MAX_BUFFER_SIZE) in usbhid_start()
1068 usbhid->bufsize = HID_MAX_BUFFER_SIZE; in usbhid_start()
1119 if (usbhid->urbin) in usbhid_start()
1121 if (!(usbhid->urbin = usb_alloc_urb(0, GFP_KERNEL))) in usbhid_start()
1124 usb_fill_int_urb(usbhid->urbin, dev, pipe, usbhid->inbuf, insize, in usbhid_start()
1126 usbhid->urbin->transfer_dma = usbhid->inbuf_dma; in usbhid_start()
1127 usbhid->urbin->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; in usbhid_start()
1129 if (usbhid->urbout) in usbhid_start()
1131 if (!(usbhid->urbout = usb_alloc_urb(0, GFP_KERNEL))) in usbhid_start()
1134 usb_fill_int_urb(usbhid->urbout, dev, pipe, usbhid->outbuf, 0, in usbhid_start()
1136 usbhid->urbout->transfer_dma = usbhid->outbuf_dma; in usbhid_start()
1137 usbhid->urbout->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; in usbhid_start()
1141 usbhid->urbctrl = usb_alloc_urb(0, GFP_KERNEL); in usbhid_start()
1142 if (!usbhid->urbctrl) { in usbhid_start()
1147 usb_fill_control_urb(usbhid->urbctrl, dev, 0, (void *) usbhid->cr, in usbhid_start()
1148 usbhid->ctrlbuf, 1, hid_ctrl, hid); in usbhid_start()
1149 usbhid->urbctrl->transfer_dma = usbhid->ctrlbuf_dma; in usbhid_start()
1150 usbhid->urbctrl->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; in usbhid_start()
1152 set_bit(HID_STARTED, &usbhid->iofl); in usbhid_start()
1155 ret = usb_autopm_get_interface(usbhid->intf); in usbhid_start()
1158 set_bit(HID_IN_POLLING, &usbhid->iofl); in usbhid_start()
1159 usbhid->intf->needs_remote_wakeup = 1; in usbhid_start()
1165 usb_autopm_put_interface(usbhid->intf); in usbhid_start()
1183 usb_free_urb(usbhid->urbin); in usbhid_start()
1184 usb_free_urb(usbhid->urbout); in usbhid_start()
1185 usb_free_urb(usbhid->urbctrl); in usbhid_start()
1186 usbhid->urbin = NULL; in usbhid_start()
1187 usbhid->urbout = NULL; in usbhid_start()
1188 usbhid->urbctrl = NULL; in usbhid_start()
1195 struct usbhid_device *usbhid = hid->driver_data; in usbhid_stop() local
1197 if (WARN_ON(!usbhid)) in usbhid_stop()
1201 clear_bit(HID_IN_POLLING, &usbhid->iofl); in usbhid_stop()
1202 usbhid->intf->needs_remote_wakeup = 0; in usbhid_stop()
1205 clear_bit(HID_STARTED, &usbhid->iofl); in usbhid_stop()
1206 spin_lock_irq(&usbhid->lock); /* Sync with error and led handlers */ in usbhid_stop()
1207 set_bit(HID_DISCONNECTED, &usbhid->iofl); in usbhid_stop()
1208 spin_unlock_irq(&usbhid->lock); in usbhid_stop()
1209 usb_kill_urb(usbhid->urbin); in usbhid_stop()
1210 usb_kill_urb(usbhid->urbout); in usbhid_stop()
1211 usb_kill_urb(usbhid->urbctrl); in usbhid_stop()
1213 hid_cancel_delayed_stuff(usbhid); in usbhid_stop()
1217 usb_free_urb(usbhid->urbin); in usbhid_stop()
1218 usb_free_urb(usbhid->urbctrl); in usbhid_stop()
1219 usb_free_urb(usbhid->urbout); in usbhid_stop()
1220 usbhid->urbin = NULL; /* don't mess up next start */ in usbhid_stop()
1221 usbhid->urbctrl = NULL; in usbhid_stop()
1222 usbhid->urbout = NULL; in usbhid_stop()
1229 struct usbhid_device *usbhid = hid->driver_data; in usbhid_power() local
1234 r = usb_autopm_get_interface(usbhid->intf); in usbhid_power()
1238 usb_autopm_put_interface(usbhid->intf); in usbhid_power()
1304 struct usbhid_device *usbhid; in usbhid_probe() local
1370 usbhid = kzalloc(sizeof(*usbhid), GFP_KERNEL); in usbhid_probe()
1371 if (usbhid == NULL) { in usbhid_probe()
1376 hid->driver_data = usbhid; in usbhid_probe()
1377 usbhid->hid = hid; in usbhid_probe()
1378 usbhid->intf = intf; in usbhid_probe()
1379 usbhid->ifnum = interface->desc.bInterfaceNumber; in usbhid_probe()
1381 init_waitqueue_head(&usbhid->wait); in usbhid_probe()
1382 INIT_WORK(&usbhid->reset_work, hid_reset); in usbhid_probe()
1383 timer_setup(&usbhid->io_retry, hid_retry_timeout, 0); in usbhid_probe()
1384 spin_lock_init(&usbhid->lock); in usbhid_probe()
1395 kfree(usbhid); in usbhid_probe()
1404 struct usbhid_device *usbhid; in usbhid_disconnect() local
1409 usbhid = hid->driver_data; in usbhid_disconnect()
1410 spin_lock_irq(&usbhid->lock); /* Sync with error and led handlers */ in usbhid_disconnect()
1411 set_bit(HID_DISCONNECTED, &usbhid->iofl); in usbhid_disconnect()
1412 spin_unlock_irq(&usbhid->lock); in usbhid_disconnect()
1414 kfree(usbhid); in usbhid_disconnect()
1417 static void hid_cancel_delayed_stuff(struct usbhid_device *usbhid) in hid_cancel_delayed_stuff() argument
1419 del_timer_sync(&usbhid->io_retry); in hid_cancel_delayed_stuff()
1420 cancel_work_sync(&usbhid->reset_work); in hid_cancel_delayed_stuff()
1423 static void hid_cease_io(struct usbhid_device *usbhid) in hid_cease_io() argument
1425 del_timer_sync(&usbhid->io_retry); in hid_cease_io()
1426 usb_kill_urb(usbhid->urbin); in hid_cease_io()
1427 usb_kill_urb(usbhid->urbctrl); in hid_cease_io()
1428 usb_kill_urb(usbhid->urbout); in hid_cease_io()
1433 struct usbhid_device *usbhid = hid->driver_data; in hid_restart_io() local
1434 int clear_halt = test_bit(HID_CLEAR_HALT, &usbhid->iofl); in hid_restart_io()
1435 int reset_pending = test_bit(HID_RESET_PENDING, &usbhid->iofl); in hid_restart_io()
1437 spin_lock_irq(&usbhid->lock); in hid_restart_io()
1438 clear_bit(HID_SUSPENDED, &usbhid->iofl); in hid_restart_io()
1439 usbhid_mark_busy(usbhid); in hid_restart_io()
1442 schedule_work(&usbhid->reset_work); in hid_restart_io()
1443 usbhid->retry_delay = 0; in hid_restart_io()
1444 spin_unlock_irq(&usbhid->lock); in hid_restart_io()
1446 if (reset_pending || !test_bit(HID_STARTED, &usbhid->iofl)) in hid_restart_io()
1454 spin_lock_irq(&usbhid->lock); in hid_restart_io()
1455 if (usbhid->urbout && !test_bit(HID_OUT_RUNNING, &usbhid->iofl)) in hid_restart_io()
1456 usbhid_restart_out_queue(usbhid); in hid_restart_io()
1457 if (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl)) in hid_restart_io()
1458 usbhid_restart_ctrl_queue(usbhid); in hid_restart_io()
1459 spin_unlock_irq(&usbhid->lock); in hid_restart_io()
1466 struct usbhid_device *usbhid = hid->driver_data; in hid_pre_reset() local
1468 spin_lock_irq(&usbhid->lock); in hid_pre_reset()
1469 set_bit(HID_RESET_PENDING, &usbhid->iofl); in hid_pre_reset()
1470 spin_unlock_irq(&usbhid->lock); in hid_pre_reset()
1471 hid_cease_io(usbhid); in hid_pre_reset()
1481 struct usbhid_device *usbhid = hid->driver_data; in hid_post_reset() local
1511 spin_lock_irq(&usbhid->lock); in hid_post_reset()
1512 clear_bit(HID_RESET_PENDING, &usbhid->iofl); in hid_post_reset()
1513 clear_bit(HID_CLEAR_HALT, &usbhid->iofl); in hid_post_reset()
1514 spin_unlock_irq(&usbhid->lock); in hid_post_reset()
1536 struct usbhid_device *usbhid = hid->driver_data; in hid_suspend() local
1543 spin_lock_irq(&usbhid->lock); /* Sync with error handler */ in hid_suspend()
1544 if (!test_bit(HID_RESET_PENDING, &usbhid->iofl) in hid_suspend()
1545 && !test_bit(HID_CLEAR_HALT, &usbhid->iofl) in hid_suspend()
1546 && !test_bit(HID_OUT_RUNNING, &usbhid->iofl) in hid_suspend()
1547 && !test_bit(HID_CTRL_RUNNING, &usbhid->iofl) in hid_suspend()
1548 && !test_bit(HID_KEYS_PRESSED, &usbhid->iofl) in hid_suspend()
1551 set_bit(HID_SUSPENDED, &usbhid->iofl); in hid_suspend()
1552 spin_unlock_irq(&usbhid->lock); in hid_suspend()
1560 usbhid_mark_busy(usbhid); in hid_suspend()
1561 spin_unlock_irq(&usbhid->lock); in hid_suspend()
1570 spin_lock_irq(&usbhid->lock); in hid_suspend()
1571 set_bit(HID_SUSPENDED, &usbhid->iofl); in hid_suspend()
1572 spin_unlock_irq(&usbhid->lock); in hid_suspend()
1577 hid_cancel_delayed_stuff(usbhid); in hid_suspend()
1578 hid_cease_io(usbhid); in hid_suspend()
1580 if (PMSG_IS_AUTO(message) && test_bit(HID_KEYS_PRESSED, &usbhid->iofl)) { in hid_suspend()