/*
Process a completely received message.
*/
void line6_variax_process_message(struct usb_line6_variax *variax)
{
const unsigned char *buf = variax->line6.buffer_message;
switch (buf[0]) {
case LINE6_PARAM_CHANGE | LINE6_CHANNEL_HOST:
switch (buf[1]) {
case VARIAXMIDI_volume:
variax->volume = buf[2];
break;
case VARIAXMIDI_tone:
variax->tone = buf[2];
}
break;
case LINE6_PROGRAM_CHANGE | LINE6_CHANNEL_DEVICE:
case LINE6_PROGRAM_CHANGE | LINE6_CHANNEL_HOST:
variax->model = buf[1];
line6_dump_request_async(&variax->dumpreq, &variax->line6, 0,
VARIAX_DUMP_PASS1);
break;
case LINE6_RESET:
dev_info(variax->line6.ifcdev, "VARIAX reset\n");
break;
case LINE6_SYSEX_BEGIN:
if (memcmp(buf + 1, variax_request_model1 + 1,
VARIAX_MODEL_HEADER_LENGTH - 1) == 0) {
if (variax->line6.message_length ==
VARIAX_MODEL_MESSAGE_LENGTH) {
switch (variax->dumpreq.in_progress) {
case VARIAX_DUMP_PASS1:
variax_decode(buf +
VARIAX_MODEL_HEADER_LENGTH,
(unsigned char *)
&variax->model_data,
(sizeof
(variax->model_data.
name) +
sizeof(variax->
model_data.
control)
/ 2) * 2);
line6_dump_request_async
(&variax->dumpreq, &variax->line6,
1, VARIAX_DUMP_PASS2);
break;
case VARIAX_DUMP_PASS2:
/* model name is transmitted twice, so skip it here: */
variax_decode(buf +
VARIAX_MODEL_HEADER_LENGTH,
(unsigned char *)
&variax->
model_data.control +
sizeof(variax->model_data.
control)
/ 2,
sizeof(variax->model_data.
control)
/ 2 * 2);
line6_dump_request_async
(&variax->dumpreq, &variax->line6,
2, VARIAX_DUMP_PASS3);
}
} else {
DEBUG_MESSAGES(dev_err
(variax->line6.ifcdev,
"illegal length %d of model data\n",
variax->line6.message_length));
line6_dump_finished(&variax->dumpreq);
}
} else if (memcmp(buf + 1, variax_request_bank + 1,
sizeof(variax_request_bank) - 2) == 0) {
memcpy(variax->bank,
buf + sizeof(variax_request_bank) - 1,
sizeof(variax->bank));
line6_dump_finished(&variax->dumpreq);
variax_startup6(variax);
} else if (memcmp(buf + 1, variax_init_model + 1,
sizeof(variax_init_model) - 1) == 0) {
memcpy(variax->guitar,
buf + sizeof(variax_init_model),
sizeof(variax->guitar));
} else if (memcmp(buf + 1, variax_init_version + 1,
sizeof(variax_init_version) - 1) == 0) {
variax_startup3(variax);
} else if (memcmp(buf + 1, variax_init_done + 1,
sizeof(variax_init_done) - 1) == 0) {
/* notify of complete initialization: */
variax_startup4((unsigned long)variax);
}
break;
case LINE6_SYSEX_END:
break;
default:
DEBUG_MESSAGES(dev_err
(variax->line6.ifcdev,
"Variax: unknown message %02X\n", buf[0]));
}
}
/*
Notification of data received from the Line6 device.
*/
static void line6_data_received(struct urb *urb)
{
struct usb_line6 *line6 = (struct usb_line6 *)urb->context;
struct MidiBuffer *mb = &line6->line6midi->midibuf_in;
int done;
if (urb->status == -ESHUTDOWN)
return;
#if DO_DUMP_URB_RECEIVE
line6_dump_urb(urb);
#endif
done = midibuf_write(mb, urb->transfer_buffer, urb->actual_length);
if (done < urb->actual_length) {
midibuf_ignore(mb, done);
DEBUG_MESSAGES(dev_err(line6->ifcdev, "%d %d buffer overflow - message skipped\n", done, urb->actual_length));
}
for (;;) {
done = midibuf_read(mb, line6->buffer_message, LINE6_MESSAGE_MAXLEN);
if (done == 0)
break;
/* MIDI input filter */
if (midibuf_skip_message(mb, line6->line6midi->midi_mask_receive))
continue;
line6->message_length = done;
#if DO_DUMP_MIDI_RECEIVE
line6_write_hexdump(line6, 'r', line6->buffer_message, done);
#endif
line6_midi_receive(line6, line6->buffer_message, done);
switch (line6->usbdev->descriptor.idProduct) {
case LINE6_DEVID_BASSPODXT:
case LINE6_DEVID_BASSPODXTLIVE:
case LINE6_DEVID_BASSPODXTPRO:
case LINE6_DEVID_PODXT:
case LINE6_DEVID_PODXTPRO:
case LINE6_DEVID_POCKETPOD:
pod_process_message((struct usb_line6_pod *)line6);
break;
case LINE6_DEVID_PODXTLIVE:
switch (line6->interface_number) {
case PODXTLIVE_INTERFACE_POD:
pod_process_message((struct usb_line6_pod *)line6);
break;
case PODXTLIVE_INTERFACE_VARIAX:
variax_process_message((struct usb_line6_variax *)line6);
break;
default:
dev_err(line6->ifcdev, "PODxt Live interface %d not supported\n", line6->interface_number);
}
break;
case LINE6_DEVID_VARIAX:
variax_process_message((struct usb_line6_variax *)line6);
break;
default:
MISSING_CASE;
}
}
line6_start_listen(line6);
}
