struct usb_protocol_ops* usb_protocol_ops;
struct list_head list;
struct timer_list error_timer;
+ spinlock_t disc_lock;
struct snd_usb_midi_endpoint {
struct snd_usb_midi_out_endpoint *out;
struct snd_usb_midi_in_endpoint *in;
} endpoints[MIDI_MAX_ENDPOINTS];
unsigned long input_triggered;
+ unsigned char disconnected;
};
struct snd_usb_midi_out_endpoint {
struct snd_usb_midi *umidi = (struct snd_usb_midi *)data;
int i;
+ spin_lock(&umidi->disc_lock);
+ if (umidi->disconnected) {
+ spin_unlock(&umidi->disc_lock);
+ return;
+ }
for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) {
struct snd_usb_midi_in_endpoint *in = umidi->endpoints[i].in;
if (in && in->error_resubmit) {
if (umidi->endpoints[i].out)
snd_usbmidi_do_output(umidi->endpoints[i].out);
}
+ spin_unlock(&umidi->disc_lock);
}
/* helper function to send static data that may not DMA-able */
.output = snd_usbmidi_raw_output,
};
+static void snd_usbmidi_us122l_input(struct snd_usb_midi_in_endpoint *ep,
+ uint8_t *buffer, int buffer_length)
+{
+ if (buffer_length != 9)
+ return;
+ buffer_length = 8;
+ while (buffer_length && buffer[buffer_length - 1] == 0xFD)
+ buffer_length--;
+ if (buffer_length)
+ snd_usbmidi_input_data(ep, 0, buffer, buffer_length);
+}
+
+static void snd_usbmidi_us122l_output(struct snd_usb_midi_out_endpoint *ep)
+{
+ int count;
+
+ if (!ep->ports[0].active)
+ return;
+ count = ep->urb->dev->speed == USB_SPEED_HIGH ? 1 : 2;
+ count = snd_rawmidi_transmit(ep->ports[0].substream,
+ ep->urb->transfer_buffer,
+ count);
+ if (count < 1) {
+ ep->ports[0].active = 0;
+ return;
+ }
+
+ memset(ep->urb->transfer_buffer + count, 0xFD, 9 - count);
+ ep->urb->transfer_buffer_length = count;
+}
+
+static struct usb_protocol_ops snd_usbmidi_122l_ops = {
+ .input = snd_usbmidi_us122l_input,
+ .output = snd_usbmidi_us122l_output,
+};
+
/*
* Emagic USB MIDI protocol: raw MIDI with "F5 xx" port switching.
*/
snd_rawmidi_transmit_ack(substream, 1);
return;
}
- tasklet_hi_schedule(&port->ep->tasklet);
+ tasklet_schedule(&port->ep->tasklet);
}
}
int i;
umidi = list_entry(p, struct snd_usb_midi, list);
- del_timer_sync(&umidi->error_timer);
+ /*
+ * an URB's completion handler may start the timer and
+ * a timer may submit an URB. To reliably break the cycle
+ * a flag under lock must be used
+ */
+ spin_lock_irq(&umidi->disc_lock);
+ umidi->disconnected = 1;
+ spin_unlock_irq(&umidi->disc_lock);
for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) {
struct snd_usb_midi_endpoint* ep = &umidi->endpoints[i];
if (ep->out)
}
if (ep->in)
usb_kill_urb(ep->in->urb);
+ /* free endpoints here; later call can result in Oops */
+ if (ep->out) {
+ snd_usbmidi_out_endpoint_delete(ep->out);
+ ep->out = NULL;
+ }
+ if (ep->in) {
+ snd_usbmidi_in_endpoint_delete(ep->in);
+ ep->in = NULL;
+ }
}
+ del_timer_sync(&umidi->error_timer);
}
static void snd_usbmidi_rawmidi_free(struct snd_rawmidi *rmidi)
for (i = 0; i < intfd->bNumEndpoints; ++i) {
hostep = &hostif->endpoint[i];
ep = get_ep_desc(hostep);
- if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK &&
- (ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT)
+ if (!usb_endpoint_xfer_bulk(ep) && !usb_endpoint_xfer_int(ep))
continue;
ms_ep = (struct usb_ms_endpoint_descriptor*)hostep->extra;
if (hostep->extralen < 4 ||
ms_ep->bDescriptorType != USB_DT_CS_ENDPOINT ||
ms_ep->bDescriptorSubtype != MS_GENERAL)
continue;
- if ((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) {
+ if (usb_endpoint_dir_out(ep)) {
if (endpoints[epidx].out_ep) {
if (++epidx >= MIDI_MAX_ENDPOINTS) {
snd_printk(KERN_WARNING "too many endpoints\n");
break;
}
}
- endpoints[epidx].out_ep = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
- if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)
+ endpoints[epidx].out_ep = usb_endpoint_num(ep);
+ if (usb_endpoint_xfer_int(ep))
endpoints[epidx].out_interval = ep->bInterval;
else if (snd_usb_get_speed(umidi->chip->dev) == USB_SPEED_LOW)
/*
break;
}
}
- endpoints[epidx].in_ep = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
- if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)
+ endpoints[epidx].in_ep = usb_endpoint_num(ep);
+ if (usb_endpoint_xfer_int(ep))
endpoints[epidx].in_interval = ep->bInterval;
else if (snd_usb_get_speed(umidi->chip->dev) == USB_SPEED_LOW)
endpoints[epidx].in_interval = 1;
for (i = 0; i < intfd->bNumEndpoints; ++i) {
epd = get_endpoint(hostif, i);
- if ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK &&
- (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT)
+ if (!usb_endpoint_xfer_bulk(epd) &&
+ !usb_endpoint_xfer_int(epd))
continue;
if (out_eps < max_endpoints &&
- (epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) {
- endpoint[out_eps].out_ep = epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
- if ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)
+ usb_endpoint_dir_out(epd)) {
+ endpoint[out_eps].out_ep = usb_endpoint_num(epd);
+ if (usb_endpoint_xfer_int(epd))
endpoint[out_eps].out_interval = epd->bInterval;
++out_eps;
}
if (in_eps < max_endpoints &&
- (epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) {
- endpoint[in_eps].in_ep = epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
- if ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)
+ usb_endpoint_dir_in(epd)) {
+ endpoint[in_eps].in_ep = usb_endpoint_num(epd);
+ if (usb_endpoint_xfer_int(epd))
endpoint[in_eps].in_interval = epd->bInterval;
++in_eps;
}
}
epd = get_endpoint(hostif, 0);
- if ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_IN ||
- (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) {
+ if (!usb_endpoint_dir_in(epd) || !usb_endpoint_xfer_int(epd)) {
snd_printdd(KERN_ERR "endpoint[0] isn't interrupt\n");
return -ENXIO;
}
epd = get_endpoint(hostif, 2);
- if ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_OUT ||
- (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK) {
+ if (!usb_endpoint_dir_out(epd) || !usb_endpoint_xfer_bulk(epd)) {
snd_printdd(KERN_ERR "endpoint[2] isn't bulk output\n");
return -ENXIO;
}
if (endpoint->out_cables > 0x0001) {
epd = get_endpoint(hostif, 4);
- if ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_OUT ||
- (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK) {
+ if (!usb_endpoint_dir_out(epd) ||
+ !usb_endpoint_xfer_bulk(epd)) {
snd_printdd(KERN_ERR "endpoint[4] isn't bulk output\n");
return -ENXIO;
}
}
ep_info.out_ep = get_endpoint(hostif, 2)->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
+ ep_info.out_interval = 0;
ep_info.out_cables = endpoint->out_cables & 0x5555;
err = snd_usbmidi_out_endpoint_create(umidi, &ep_info, &umidi->endpoints[0]);
if (err < 0)
umidi->quirk = quirk;
umidi->usb_protocol_ops = &snd_usbmidi_standard_ops;
init_timer(&umidi->error_timer);
+ spin_lock_init(&umidi->disc_lock);
umidi->error_timer.function = snd_usbmidi_error_timer;
umidi->error_timer.data = (unsigned long)umidi;
umidi->usb_protocol_ops =
&snd_usbmidi_maudio_broken_running_status_ops;
break;
+ case QUIRK_MIDI_US122L:
+ umidi->usb_protocol_ops = &snd_usbmidi_122l_ops;
+ /* fall through */
case QUIRK_MIDI_FIXED_ENDPOINT:
memcpy(&endpoints[0], quirk->data,
sizeof(struct snd_usb_midi_endpoint_info));
umidi->usb_protocol_ops = &snd_usbmidi_novation_ops;
err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
break;
- case QUIRK_MIDI_RAW:
+ case QUIRK_MIDI_FASTLANE:
umidi->usb_protocol_ops = &snd_usbmidi_raw_ops;
+ /*
+ * Interface 1 contains isochronous endpoints, but with the same
+ * numbers as in interface 0. Since it is interface 1 that the
+ * USB core has most recently seen, these descriptors are now
+ * associated with the endpoint numbers. This will foul up our
+ * attempts to submit bulk/interrupt URBs to the endpoints in
+ * interface 0, so we have to make sure that the USB core looks
+ * again at interface 0 by calling usb_set_interface() on it.
+ */
+ usb_set_interface(umidi->chip->dev, 0, 0);
err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
break;
case QUIRK_MIDI_EMAGIC:
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff