Lines Matching refs:dev
78 struct usb_yurex *dev = urb->context; in yurex_control_callback() local
82 dev_err(&urb->dev->dev, "%s - control failed: %d\n", in yurex_control_callback()
84 wake_up_interruptible(&dev->waitq); in yurex_control_callback()
92 struct usb_yurex *dev = to_yurex_dev(kref); in yurex_delete() local
94 dev_dbg(&dev->interface->dev, "%s\n", __func__); in yurex_delete()
96 if (dev->cntl_urb) { in yurex_delete()
97 usb_kill_urb(dev->cntl_urb); in yurex_delete()
98 kfree(dev->cntl_req); in yurex_delete()
99 usb_free_coherent(dev->udev, YUREX_BUF_SIZE, in yurex_delete()
100 dev->cntl_buffer, dev->cntl_urb->transfer_dma); in yurex_delete()
101 usb_free_urb(dev->cntl_urb); in yurex_delete()
103 if (dev->urb) { in yurex_delete()
104 usb_kill_urb(dev->urb); in yurex_delete()
105 usb_free_coherent(dev->udev, YUREX_BUF_SIZE, in yurex_delete()
106 dev->int_buffer, dev->urb->transfer_dma); in yurex_delete()
107 usb_free_urb(dev->urb); in yurex_delete()
109 usb_put_intf(dev->interface); in yurex_delete()
110 usb_put_dev(dev->udev); in yurex_delete()
111 kfree(dev); in yurex_delete()
126 struct usb_yurex *dev = urb->context; in yurex_interrupt() local
127 unsigned char *buf = dev->int_buffer; in yurex_interrupt()
137 dev_err(&dev->interface->dev, in yurex_interrupt()
139 __func__, YUREX_BUF_SIZE, dev->urb->actual_length); in yurex_interrupt()
149 dev_err(&dev->interface->dev, in yurex_interrupt()
159 spin_lock_irqsave(&dev->lock, flags); in yurex_interrupt()
160 dev->bbu = 0; in yurex_interrupt()
162 dev->bbu += buf[i]; in yurex_interrupt()
164 dev->bbu <<= 8; in yurex_interrupt()
166 dev_dbg(&dev->interface->dev, "%s count: %lld\n", in yurex_interrupt()
167 __func__, dev->bbu); in yurex_interrupt()
168 spin_unlock_irqrestore(&dev->lock, flags); in yurex_interrupt()
170 kill_fasync(&dev->async_queue, SIGIO, POLL_IN); in yurex_interrupt()
173 dev_dbg(&dev->interface->dev, in yurex_interrupt()
177 dev_dbg(&dev->interface->dev, "%s ack: %c\n", in yurex_interrupt()
179 wake_up_interruptible(&dev->waitq); in yurex_interrupt()
183 retval = usb_submit_urb(dev->urb, GFP_ATOMIC); in yurex_interrupt()
185 dev_err(&dev->interface->dev, "%s - usb_submit_urb failed: %d\n", in yurex_interrupt()
192 struct usb_yurex *dev; in yurex_probe() local
200 dev = kzalloc(sizeof(*dev), GFP_KERNEL); in yurex_probe()
201 if (!dev) in yurex_probe()
203 kref_init(&dev->kref); in yurex_probe()
204 mutex_init(&dev->io_mutex); in yurex_probe()
205 spin_lock_init(&dev->lock); in yurex_probe()
206 init_waitqueue_head(&dev->waitq); in yurex_probe()
208 dev->udev = usb_get_dev(interface_to_usbdev(interface)); in yurex_probe()
209 dev->interface = usb_get_intf(interface); in yurex_probe()
215 dev_err(&interface->dev, "Could not find endpoints\n"); in yurex_probe()
220 dev->int_in_endpointAddr = endpoint->bEndpointAddress; in yurex_probe()
223 dev->cntl_urb = usb_alloc_urb(0, GFP_KERNEL); in yurex_probe()
224 if (!dev->cntl_urb) in yurex_probe()
228 dev->cntl_req = kmalloc(YUREX_BUF_SIZE, GFP_KERNEL); in yurex_probe()
229 if (!dev->cntl_req) in yurex_probe()
233 dev->cntl_buffer = usb_alloc_coherent(dev->udev, YUREX_BUF_SIZE, in yurex_probe()
235 &dev->cntl_urb->transfer_dma); in yurex_probe()
236 if (!dev->cntl_buffer) { in yurex_probe()
237 dev_err(&interface->dev, "Could not allocate cntl_buffer\n"); in yurex_probe()
242 dev->cntl_req->bRequestType = USB_DIR_OUT | USB_TYPE_CLASS | in yurex_probe()
244 dev->cntl_req->bRequest = HID_REQ_SET_REPORT; in yurex_probe()
245 dev->cntl_req->wValue = cpu_to_le16((HID_OUTPUT_REPORT + 1) << 8); in yurex_probe()
246 dev->cntl_req->wIndex = cpu_to_le16(iface_desc->desc.bInterfaceNumber); in yurex_probe()
247 dev->cntl_req->wLength = cpu_to_le16(YUREX_BUF_SIZE); in yurex_probe()
249 usb_fill_control_urb(dev->cntl_urb, dev->udev, in yurex_probe()
250 usb_sndctrlpipe(dev->udev, 0), in yurex_probe()
251 (void *)dev->cntl_req, dev->cntl_buffer, in yurex_probe()
252 YUREX_BUF_SIZE, yurex_control_callback, dev); in yurex_probe()
253 dev->cntl_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; in yurex_probe()
257 dev->urb = usb_alloc_urb(0, GFP_KERNEL); in yurex_probe()
258 if (!dev->urb) in yurex_probe()
262 dev->int_buffer = usb_alloc_coherent(dev->udev, YUREX_BUF_SIZE, in yurex_probe()
263 GFP_KERNEL, &dev->urb->transfer_dma); in yurex_probe()
264 if (!dev->int_buffer) { in yurex_probe()
265 dev_err(&interface->dev, "Could not allocate int_buffer\n"); in yurex_probe()
270 usb_fill_int_urb(dev->urb, dev->udev, in yurex_probe()
271 usb_rcvintpipe(dev->udev, dev->int_in_endpointAddr), in yurex_probe()
272 dev->int_buffer, YUREX_BUF_SIZE, yurex_interrupt, in yurex_probe()
273 dev, 1); in yurex_probe()
274 dev->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; in yurex_probe()
275 if (usb_submit_urb(dev->urb, GFP_KERNEL)) { in yurex_probe()
277 dev_err(&interface->dev, "Could not submitting URB\n"); in yurex_probe()
282 usb_set_intfdata(interface, dev); in yurex_probe()
283 dev->bbu = -1; in yurex_probe()
288 dev_err(&interface->dev, in yurex_probe()
294 dev_info(&interface->dev, in yurex_probe()
301 if (dev) in yurex_probe()
303 kref_put(&dev->kref, yurex_delete); in yurex_probe()
309 struct usb_yurex *dev; in yurex_disconnect() local
312 dev = usb_get_intfdata(interface); in yurex_disconnect()
319 usb_poison_urb(dev->urb); in yurex_disconnect()
320 usb_poison_urb(dev->cntl_urb); in yurex_disconnect()
321 mutex_lock(&dev->io_mutex); in yurex_disconnect()
322 dev->disconnected = 1; in yurex_disconnect()
323 mutex_unlock(&dev->io_mutex); in yurex_disconnect()
326 kill_fasync(&dev->async_queue, SIGIO, POLL_IN); in yurex_disconnect()
327 wake_up_interruptible(&dev->waitq); in yurex_disconnect()
330 kref_put(&dev->kref, yurex_delete); in yurex_disconnect()
332 dev_info(&interface->dev, "USB YUREX #%d now disconnected\n", minor); in yurex_disconnect()
345 struct usb_yurex *dev; in yurex_fasync() local
347 dev = file->private_data; in yurex_fasync()
348 return fasync_helper(fd, file, on, &dev->async_queue); in yurex_fasync()
353 struct usb_yurex *dev; in yurex_open() local
368 dev = usb_get_intfdata(interface); in yurex_open()
369 if (!dev) { in yurex_open()
375 kref_get(&dev->kref); in yurex_open()
378 mutex_lock(&dev->io_mutex); in yurex_open()
379 file->private_data = dev; in yurex_open()
380 mutex_unlock(&dev->io_mutex); in yurex_open()
388 struct usb_yurex *dev; in yurex_release() local
390 dev = file->private_data; in yurex_release()
391 if (dev == NULL) in yurex_release()
395 kref_put(&dev->kref, yurex_delete); in yurex_release()
402 struct usb_yurex *dev; in yurex_read() local
407 dev = file->private_data; in yurex_read()
409 mutex_lock(&dev->io_mutex); in yurex_read()
410 if (dev->disconnected) { /* already disconnected */ in yurex_read()
411 mutex_unlock(&dev->io_mutex); in yurex_read()
415 spin_lock_irqsave(&dev->lock, flags); in yurex_read()
416 len = snprintf(in_buffer, 20, "%lld\n", dev->bbu); in yurex_read()
417 spin_unlock_irqrestore(&dev->lock, flags); in yurex_read()
418 mutex_unlock(&dev->io_mutex); in yurex_read()
429 struct usb_yurex *dev; in yurex_write() local
438 dev = file->private_data; in yurex_write()
444 mutex_lock(&dev->io_mutex); in yurex_write()
445 if (dev->disconnected) { /* already disconnected */ in yurex_write()
446 mutex_unlock(&dev->io_mutex); in yurex_write()
452 mutex_unlock(&dev->io_mutex); in yurex_write()
457 memset(dev->cntl_buffer, CMD_PADDING, YUREX_BUF_SIZE); in yurex_write()
462 dev->cntl_buffer[0] = buffer[0]; in yurex_write()
463 dev->cntl_buffer[1] = buffer[1]; in yurex_write()
464 dev->cntl_buffer[2] = CMD_EOF; in yurex_write()
468 dev->cntl_buffer[0] = buffer[0]; in yurex_write()
469 dev->cntl_buffer[1] = 0x00; in yurex_write()
470 dev->cntl_buffer[2] = CMD_EOF; in yurex_write()
478 dev->cntl_buffer[0] = CMD_SET; in yurex_write()
480 dev->cntl_buffer[i] = (c>>32) & 0xff; in yurex_write()
486 mutex_unlock(&dev->io_mutex); in yurex_write()
491 prepare_to_wait(&dev->waitq, &wait, TASK_INTERRUPTIBLE); in yurex_write()
492 dev_dbg(&dev->interface->dev, "%s - submit %c\n", __func__, in yurex_write()
493 dev->cntl_buffer[0]); in yurex_write()
494 retval = usb_submit_urb(dev->cntl_urb, GFP_ATOMIC); in yurex_write()
497 finish_wait(&dev->waitq, &wait); in yurex_write()
500 usb_kill_urb(dev->cntl_urb); in yurex_write()
502 mutex_unlock(&dev->io_mutex); in yurex_write()
505 dev_err(&dev->interface->dev, in yurex_write()
511 dev->bbu = c2; in yurex_write()