Lines Matching refs:line6
46 struct usb_line6 *line6;
62 static int line6_start_listen(struct usb_line6 *line6)
66 if (line6->properties->capabilities & LINE6_CAP_CONTROL_MIDI) {
67 usb_fill_int_urb(line6->urb_listen, line6->usbdev,
68 usb_rcvintpipe(line6->usbdev, line6->properties->ep_ctrl_r),
69 line6->buffer_listen, LINE6_BUFSIZE_LISTEN,
70 line6_data_received, line6, line6->interval);
72 usb_fill_bulk_urb(line6->urb_listen, line6->usbdev,
73 usb_rcvbulkpipe(line6->usbdev, line6->properties->ep_ctrl_r),
74 line6->buffer_listen, LINE6_BUFSIZE_LISTEN,
75 line6_data_received, line6);
79 if (usb_urb_ep_type_check(line6->urb_listen)) {
80 dev_err(line6->ifcdev, "invalid control EP\n");
84 line6->urb_listen->actual_length = 0;
85 err = usb_submit_urb(line6->urb_listen, GFP_ATOMIC);
92 static void line6_stop_listen(struct usb_line6 *line6)
94 usb_kill_urb(line6->urb_listen);
100 int line6_send_raw_message(struct usb_line6 *line6, const char *buffer,
104 const struct line6_properties *properties = line6->properties;
106 for (i = 0; i < size; i += line6->max_packet_size) {
109 int frag_size = min(line6->max_packet_size, size - i);
113 retval = usb_interrupt_msg(line6->usbdev,
114 usb_sndintpipe(line6->usbdev, properties->ep_ctrl_w),
118 retval = usb_bulk_msg(line6->usbdev,
119 usb_sndbulkpipe(line6->usbdev, properties->ep_ctrl_w),
125 dev_err(line6->ifcdev,
158 struct usb_line6 *line6 = msg->line6;
160 int bytes = min(msg->size - done, line6->max_packet_size);
162 if (line6->properties->capabilities & LINE6_CAP_CONTROL_MIDI) {
163 usb_fill_int_urb(urb, line6->usbdev,
164 usb_sndintpipe(line6->usbdev, line6->properties->ep_ctrl_w),
166 line6_async_request_sent, msg, line6->interval);
168 usb_fill_bulk_urb(urb, line6->usbdev,
169 usb_sndbulkpipe(line6->usbdev, line6->properties->ep_ctrl_w),
188 dev_err(line6->ifcdev, "%s: usb_submit_urb failed (%d)\n",
198 int line6_send_raw_message_async(struct usb_line6 *line6, const char *buffer,
218 msg->line6 = line6;
231 int line6_version_request_async(struct usb_line6 *line6)
241 retval = line6_send_raw_message_async(line6, buffer,
251 int line6_send_sysex_message(struct usb_line6 *line6, const char *buffer,
254 return line6_send_raw_message(line6, buffer,
265 char *line6_alloc_sysex_buffer(struct usb_line6 *line6, int code1, int code2,
287 struct usb_line6 *line6 = (struct usb_line6 *)urb->context;
288 struct midi_buffer *mb = &line6->line6midi->midibuf_in;
294 if (line6->properties->capabilities & LINE6_CAP_CONTROL_MIDI) {
300 dev_dbg(line6->ifcdev, "%d %d buffer overflow - message skipped\n",
306 line6_midibuf_read(mb, line6->buffer_message,
313 line6->message_length = done;
314 line6_midi_receive(line6, line6->buffer_message, done);
316 if (line6->process_message)
317 line6->process_message(line6);
320 line6->buffer_message = urb->transfer_buffer;
321 line6->message_length = urb->actual_length;
322 if (line6->process_message)
323 line6->process_message(line6);
324 line6->buffer_message = NULL;
327 line6_start_listen(line6);
336 int line6_read_data(struct usb_line6 *line6, unsigned address, void *data,
339 struct usb_device *usbdev = line6->usbdev;
353 dev_err(line6->ifcdev, "read request failed (error %d)\n", ret);
366 dev_err(line6->ifcdev,
377 dev_err(line6->ifcdev, "read failed after %d retries\n",
382 dev_err(line6->ifcdev,
394 dev_err(line6->ifcdev, "read failed (error %d)\n", ret);
404 int line6_write_data(struct usb_line6 *line6, unsigned address, void *data,
407 struct usb_device *usbdev = line6->usbdev;
424 dev_err(line6->ifcdev,
437 dev_err(line6->ifcdev,
447 dev_err(line6->ifcdev, "write failed after %d retries\n",
451 dev_err(line6->ifcdev, "write failed (error %d)\n", ret);
464 int line6_read_serial_number(struct usb_line6 *line6, u32 *serial_number)
466 return line6_read_data(line6, 0x80d0, serial_number,
476 struct usb_line6 *line6 = card->private_data;
477 struct usb_device *usbdev = line6->usbdev;
482 kfree(line6->buffer_message);
484 kfree(line6->buffer_listen);
487 usb_free_urb(line6->urb_listen);
488 line6->urb_listen = NULL;
494 static void line6_get_usb_properties(struct usb_line6 *line6)
496 struct usb_device *usbdev = line6->usbdev;
497 const struct line6_properties *properties = line6->properties;
503 pipe = usb_rcvintpipe(line6->usbdev,
504 line6->properties->ep_ctrl_r);
506 pipe = usb_rcvbulkpipe(line6->usbdev,
507 line6->properties->ep_ctrl_r);
514 line6->interval = ep->desc.bInterval;
515 line6->max_packet_size = le16_to_cpu(ep->desc.wMaxPacketSize);
518 dev_err(line6->ifcdev,
521 line6->interval = LINE6_FALLBACK_INTERVAL;
522 line6->max_packet_size = LINE6_FALLBACK_MAXPACKETSIZE;
527 line6->intervals_per_second = USB_LOW_INTERVALS_PER_SECOND;
528 line6->iso_buffers = USB_LOW_ISO_BUFFERS;
530 line6->intervals_per_second = USB_HIGH_INTERVALS_PER_SECOND;
531 line6->iso_buffers = USB_HIGH_ISO_BUFFERS;
538 struct usb_line6 *line6 = hw->private_data;
542 line6->messages.active = 1;
543 line6->messages.nonblock = file->f_flags & O_NONBLOCK ? 1 : 0;
551 struct usb_line6 *line6 = hw->private_data;
553 line6->messages.active = 0;
563 struct usb_line6 *line6 = hwdep->private_data;
567 if (mutex_lock_interruptible(&line6->messages.read_lock))
570 while (kfifo_len(&line6->messages.fifo) == 0) {
571 mutex_unlock(&line6->messages.read_lock);
573 if (line6->messages.nonblock)
577 line6->messages.wait_queue,
578 kfifo_len(&line6->messages.fifo) != 0);
582 if (mutex_lock_interruptible(&line6->messages.read_lock))
586 if (kfifo_peek_len(&line6->messages.fifo) > count) {
590 rv = kfifo_to_user(&line6->messages.fifo, buf, count, &out_count);
595 mutex_unlock(&line6->messages.read_lock);
604 struct usb_line6 *line6 = hwdep->private_data;
608 if (count > line6->max_packet_size * LINE6_RAW_MESSAGES_MAXCOUNT) {
617 rv = line6_send_raw_message(line6, data_copy, count);
627 struct usb_line6 *line6 = hwdep->private_data;
629 poll_wait(file, &line6->messages.wait_queue, wait);
631 mutex_lock(&line6->messages.read_lock);
632 rv = kfifo_len(&line6->messages.fifo) == 0 ? 0 : EPOLLIN | EPOLLRDNORM;
633 mutex_unlock(&line6->messages.read_lock);
647 static void line6_hwdep_push_message(struct usb_line6 *line6)
649 if (!line6->messages.active)
652 if (kfifo_avail(&line6->messages.fifo) >= line6->message_length) {
654 kfifo_in(&line6->messages.fifo,
655 line6->buffer_message, line6->message_length);
658 wake_up_interruptible(&line6->messages.wait_queue);
661 static int line6_hwdep_init(struct usb_line6 *line6)
667 line6->process_message = line6_hwdep_push_message;
668 line6->messages.active = 0;
669 init_waitqueue_head(&line6->messages.wait_queue);
670 mutex_init(&line6->messages.read_lock);
671 INIT_KFIFO(line6->messages.fifo);
673 err = snd_hwdep_new(line6->card, "config", 0, &hwdep);
679 hwdep->private_data = line6;
686 static int line6_init_cap_control(struct usb_line6 *line6)
691 line6->buffer_listen = kmalloc(LINE6_BUFSIZE_LISTEN, GFP_KERNEL);
692 if (!line6->buffer_listen)
695 line6->urb_listen = usb_alloc_urb(0, GFP_KERNEL);
696 if (!line6->urb_listen)
699 if (line6->properties->capabilities & LINE6_CAP_CONTROL_MIDI) {
700 line6->buffer_message = kmalloc(LINE6_MIDI_MESSAGE_MAXLEN, GFP_KERNEL);
701 if (!line6->buffer_message)
704 ret = line6_init_midi(line6);
708 ret = line6_hwdep_init(line6);
713 ret = line6_start_listen(line6);
715 dev_err(line6->ifcdev, "cannot start listening: %d\n", ret);
724 struct usb_line6 *line6 =
727 if (line6->startup)
728 line6->startup(line6);
743 struct usb_line6 *line6;
747 if (WARN_ON(data_size < sizeof(*line6)))
761 line6 = card->private_data;
762 line6->card = card;
763 line6->properties = properties;
764 line6->usbdev = usbdev;
765 line6->ifcdev = &interface->dev;
766 INIT_DELAYED_WORK(&line6->startup_work, line6_startup_work);
772 dev_name(line6->ifcdev));
775 usb_set_intfdata(interface, line6);
794 line6_get_usb_properties(line6);
797 ret = line6_init_cap_control(line6);
803 ret = private_init(line6, id);
828 struct usb_line6 *line6 = usb_get_intfdata(interface);
831 if (!line6)
834 if (WARN_ON(usbdev != line6->usbdev))
837 cancel_delayed_work_sync(&line6->startup_work);
839 if (line6->urb_listen != NULL)
840 line6_stop_listen(line6);
842 snd_card_disconnect(line6->card);
843 if (line6->line6pcm)
844 line6_pcm_disconnect(line6->line6pcm);
845 if (line6->disconnect)
846 line6->disconnect(line6);
849 line6->properties->name);
854 snd_card_free_when_closed(line6->card);
865 struct usb_line6 *line6 = usb_get_intfdata(interface);
866 struct snd_line6_pcm *line6pcm = line6->line6pcm;
868 snd_power_change_state(line6->card, SNDRV_CTL_POWER_D3hot);
870 if (line6->properties->capabilities & LINE6_CAP_CONTROL)
871 line6_stop_listen(line6);
885 struct usb_line6 *line6 = usb_get_intfdata(interface);
887 if (line6->properties->capabilities & LINE6_CAP_CONTROL)
888 line6_start_listen(line6);
890 snd_power_change_state(line6->card, SNDRV_CTL_POWER_D0);