2 * Line6 Linux USB driver - 0.8.0
4 * Copyright (C) 2004-2009 Markus Grabner (grabner@icg.tugraz.at)
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation, version 2.
14 #include <linux/kernel.h>
15 #include <linux/module.h>
16 #include <linux/usb.h>
30 #define DRIVER_AUTHOR "Markus Grabner <grabner@icg.tugraz.at>"
31 #define DRIVER_DESC "Line6 USB Driver"
32 #define DRIVER_VERSION "0.8.0"
35 /* table of devices that work with this driver */
36 static struct usb_device_id line6_id_table[] = {
37 { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_BASSPODXT) },
38 { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_BASSPODXTLIVE) },
39 { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_BASSPODXTPRO) },
40 { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_GUITARPORT) },
41 { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_POCKETPOD) },
42 { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODX3) },
43 { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODX3LIVE) },
44 { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODXT) },
45 { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODXTLIVE) },
46 { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODXTPRO) },
47 { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_TONEPORT_GX) },
48 { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_TONEPORT_UX1) },
49 { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_TONEPORT_UX2) },
50 { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_VARIAX) },
53 MODULE_DEVICE_TABLE (usb, line6_id_table);
55 static struct line6_properties line6_properties_table[] = {
56 { "BassPODxt", LINE6_BIT_BASSPODXT, LINE6_BIT_CONTROL_PCM },
57 { "BassPODxt Live", LINE6_BIT_BASSPODXTLIVE, LINE6_BIT_CONTROL_PCM },
58 { "BassPODxt Pro", LINE6_BIT_BASSPODXTPRO, LINE6_BIT_CONTROL_PCM },
59 { "GuitarPort", LINE6_BIT_GUITARPORT, LINE6_BIT_PCM },
60 { "Pocket POD", LINE6_BIT_POCKETPOD, LINE6_BIT_CONTROL_PCM },
61 { "POD X3", LINE6_BIT_PODX3, LINE6_BIT_PCM },
62 { "POD X3 Live", LINE6_BIT_PODX3LIVE, LINE6_BIT_PCM },
63 { "PODxt", LINE6_BIT_PODXT, LINE6_BIT_CONTROL_PCM },
64 { "PODxt Live", LINE6_BIT_PODXTLIVE, LINE6_BIT_CONTROL_PCM },
65 { "PODxt Pro", LINE6_BIT_PODXTPRO, LINE6_BIT_CONTROL_PCM },
66 { "TonePort GX", LINE6_BIT_TONEPORT_GX, LINE6_BIT_PCM },
67 { "TonePort UX1", LINE6_BIT_TONEPORT_UX1, LINE6_BIT_PCM },
68 { "TonePort UX2", LINE6_BIT_TONEPORT_UX2, LINE6_BIT_PCM },
69 { "Variax Workbench", LINE6_BIT_VARIAX, LINE6_BIT_CONTROL }
74 This is Line6's MIDI manufacturer ID.
76 const unsigned char line6_midi_id[] = { 0x00, 0x01, 0x0c };
78 struct usb_line6 *line6_devices[LINE6_MAX_DEVICES];
79 struct workqueue_struct *line6_workqueue;
83 Class for asynchronous messages.
87 struct usb_line6 *line6;
97 static void line6_data_received(struct urb *urb);
98 static int line6_send_raw_message_async_part(struct message *msg, struct urb *urb);
102 Start to listen on endpoint.
104 static int line6_start_listen(struct usb_line6 *line6)
106 usb_fill_int_urb(line6->urb_listen,
108 usb_rcvintpipe(line6->usbdev, line6->ep_control_read),
109 line6->buffer_listen, LINE6_BUFSIZE_LISTEN,
113 line6->urb_listen->actual_length = 0;
114 return usb_submit_urb(line6->urb_listen, GFP_KERNEL);
119 Write hexdump to syslog.
121 void line6_write_hexdump(struct usb_line6 *line6, char dir, const unsigned char *buffer, int size)
123 static const int BYTES_PER_LINE = 8;
125 char asc[BYTES_PER_LINE + 1];
128 for(i = 0; i < size; i += BYTES_PER_LINE) {
129 int hexdumpsize = sizeof(hexdump);
131 int n = min(size - i, BYTES_PER_LINE);
134 for(j = 0; j < BYTES_PER_LINE; ++j) {
138 unsigned char val = buffer[i + j];
139 bytes = snprintf(p, hexdumpsize, " %02X", val);
140 asc[j] = ((val >= 0x20) && (val < 0x7f)) ? val : '.';
143 bytes = snprintf(p, hexdumpsize, " ");
145 if(bytes > hexdumpsize)
146 break; /* buffer overflow */
149 hexdumpsize -= bytes;
152 dev_info(line6->ifcdev, "%c%04X:%s %s\n", dir, i, hexdump, asc);
157 #if DO_DUMP_URB_RECEIVE
159 Dump URB data to syslog.
161 static void line6_dump_urb(struct urb *urb)
163 struct usb_line6 *line6 = (struct usb_line6 *)urb->context;
168 line6_write_hexdump(line6, 'R', (unsigned char *)urb->transfer_buffer, urb->actual_length);
173 Send raw message in pieces of wMaxPacketSize bytes.
175 int line6_send_raw_message(struct usb_line6 *line6, const char *buffer, int size)
180 line6_write_hexdump(line6, 'S', buffer, size);
183 for(i = 0; i < size; i += line6->max_packet_size) {
185 const char *frag_buf = buffer + i;
186 int frag_size = min(line6->max_packet_size, size - i);
187 int retval = usb_interrupt_msg(line6->usbdev,
188 usb_sndintpipe(line6->usbdev, line6->ep_control_write),
189 (char *)frag_buf, frag_size, &partial, LINE6_TIMEOUT * HZ);
192 dev_err(line6->ifcdev, "usb_interrupt_msg failed (%d)\n", retval);
203 Notification of completion of asynchronous request transmission.
205 static void line6_async_request_sent(struct urb *urb)
207 struct message *msg = (struct message *)urb->context;
209 if(msg->done >= msg->size) {
214 line6_send_raw_message_async_part(msg, urb);
218 Asynchronously send part of a raw message.
220 static int line6_send_raw_message_async_part(struct message *msg, struct urb *urb)
223 struct usb_line6 *line6 = msg->line6;
224 int done = msg->done;
225 int bytes = min(msg->size - done, line6->max_packet_size);
227 usb_fill_int_urb(urb,
229 usb_sndintpipe(line6->usbdev, line6->ep_control_write),
230 (char *)msg->buffer + done, bytes,
231 line6_async_request_sent, msg, line6->interval);
234 line6_write_hexdump(line6, 'S', (char *)msg->buffer + done, bytes);
238 retval = usb_submit_urb(urb, GFP_ATOMIC);
241 dev_err(line6->ifcdev, "line6_send_raw_message_async: usb_submit_urb failed (%d)\n", retval);
251 Asynchronously send raw message.
253 int line6_send_raw_message_async(struct usb_line6 *line6, const char *buffer, int size)
258 /* create message: */
259 msg = kmalloc(sizeof(struct message), GFP_ATOMIC);
262 dev_err(line6->ifcdev, "Out of memory\n");
267 urb = usb_alloc_urb(0, GFP_ATOMIC);
271 dev_err(line6->ifcdev, "Out of memory\n");
275 /* set message data: */
277 msg->buffer = buffer;
282 return line6_send_raw_message_async_part(msg, urb);
286 Send sysex message in pieces of wMaxPacketSize bytes.
288 int line6_send_sysex_message(struct usb_line6 *line6, const char *buffer, int size)
290 return line6_send_raw_message(line6, buffer, size + SYSEX_EXTRA_SIZE) - SYSEX_EXTRA_SIZE;
294 Allocate buffer for sysex message and prepare header.
295 @param code sysex message code
296 @param size number of bytes between code and sysex end
298 char *line6_alloc_sysex_buffer(struct usb_line6 *line6, int code1, int code2, int size)
300 char *buffer = kmalloc(size + SYSEX_EXTRA_SIZE, GFP_KERNEL);
303 dev_err(line6->ifcdev, "out of memory\n");
307 buffer[0] = LINE6_SYSEX_BEGIN;
308 memcpy(buffer + 1, line6_midi_id, sizeof(line6_midi_id));
309 buffer[sizeof(line6_midi_id) + 1] = code1;
310 buffer[sizeof(line6_midi_id) + 2] = code2;
311 buffer[sizeof(line6_midi_id) + 3 + size] = LINE6_SYSEX_END;
316 Notification of data received from the Line6 device.
318 static void line6_data_received(struct urb *urb)
320 struct usb_line6 *line6 = (struct usb_line6 *)urb->context;
321 struct MidiBuffer *mb = &line6->line6midi->midibuf_in;
324 if(urb->status == -ESHUTDOWN)
327 #if DO_DUMP_URB_RECEIVE
331 done = midibuf_write(mb, urb->transfer_buffer, urb->actual_length);
333 if(done < urb->actual_length) {
334 midibuf_ignore(mb, done);
335 DEBUG_MESSAGES(dev_err(line6->ifcdev, "%d %d buffer overflow - message skipped\n", done, urb->actual_length));
339 done = midibuf_read(mb, line6->buffer_message, LINE6_MESSAGE_MAXLEN);
344 /* MIDI input filter */
345 if(midibuf_skip_message(mb, line6->line6midi->midi_mask_receive))
348 line6->message_length = done;
349 #if DO_DUMP_MIDI_RECEIVE
350 line6_write_hexdump(line6, 'r', line6->buffer_message, done);
352 line6_midi_receive(line6, line6->buffer_message, done);
354 switch(line6->usbdev->descriptor.idProduct) {
355 case LINE6_DEVID_BASSPODXT:
356 case LINE6_DEVID_BASSPODXTLIVE:
357 case LINE6_DEVID_BASSPODXTPRO:
358 case LINE6_DEVID_PODXT:
359 case LINE6_DEVID_PODXTPRO:
360 case LINE6_DEVID_POCKETPOD:
361 pod_process_message((struct usb_line6_pod *)line6);
364 case LINE6_DEVID_PODXTLIVE:
365 switch(line6->interface_number) {
366 case PODXTLIVE_INTERFACE_POD:
367 pod_process_message((struct usb_line6_pod *)line6);
370 case PODXTLIVE_INTERFACE_VARIAX:
371 variax_process_message((struct usb_line6_variax *)line6);
375 dev_err(line6->ifcdev, "PODxt Live interface %d not supported\n", line6->interface_number);
379 case LINE6_DEVID_VARIAX:
380 variax_process_message((struct usb_line6_variax *)line6);
388 line6_start_listen(line6);
392 Send channel number (i.e., switch to a different sound).
394 int line6_send_program(struct usb_line6 *line6, int value)
397 unsigned char *buffer;
398 unsigned int partial;
400 buffer = kmalloc(2, GFP_KERNEL);
403 dev_err(line6->ifcdev, "out of memory\n");
407 buffer[0] = LINE6_PROGRAM_CHANGE | LINE6_CHANNEL_HOST;
411 line6_write_hexdump(line6, 'S', buffer, 2);
414 retval = usb_interrupt_msg(line6->usbdev,
415 usb_sndintpipe(line6->usbdev, line6->ep_control_write),
416 buffer, 2, &partial, LINE6_TIMEOUT * HZ);
419 dev_err(line6->ifcdev, "usb_interrupt_msg failed (%d)\n", retval);
426 Transmit Line6 control parameter.
428 int line6_transmit_parameter(struct usb_line6 *line6, int param, int value)
431 unsigned char *buffer;
432 unsigned int partial;
434 buffer = kmalloc(3, GFP_KERNEL);
437 dev_err(line6->ifcdev, "out of memory\n");
441 buffer[0] = LINE6_PARAM_CHANGE | LINE6_CHANNEL_HOST;
446 line6_write_hexdump(line6, 'S', buffer, 3);
449 retval = usb_interrupt_msg(line6->usbdev,
450 usb_sndintpipe(line6->usbdev, line6->ep_control_write),
451 buffer, 3, &partial, LINE6_TIMEOUT * HZ);
454 dev_err(line6->ifcdev, "usb_interrupt_msg failed (%d)\n", retval);
461 Read data from device.
463 int line6_read_data(struct usb_line6 *line6, int address, void *data, size_t datalen)
465 struct usb_device *usbdev = line6->usbdev;
469 /* query the serial number: */
470 ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67,
471 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
472 (datalen << 8) | 0x21, address, 0, 0, LINE6_TIMEOUT * HZ);
475 dev_err(line6->ifcdev, "read request failed (error %d)\n", ret);
479 /* Wait for data length. We'll get a couple of 0xff until length arrives. */
481 ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67,
482 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
483 0x0012, 0x0000, &len, 1, LINE6_TIMEOUT * HZ);
485 dev_err(line6->ifcdev, "receive length failed (error %d)\n", ret);
491 if(len != datalen) { /* should be equal or something went wrong */
492 dev_err(line6->ifcdev, "length mismatch (expected %d, got %d)\n", (int)datalen, (int)len);
496 /* receive the result: */
497 ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67,
498 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
499 0x0013, 0x0000, data, datalen, LINE6_TIMEOUT * HZ);
502 dev_err(line6->ifcdev, "read failed (error %d)\n", ret);
510 Write data to device.
512 int line6_write_data(struct usb_line6 *line6, int address, void *data, size_t datalen)
514 struct usb_device *usbdev = line6->usbdev;
516 unsigned char status;
518 ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev,0), 0x67,
519 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
520 0x0022, address, data, datalen, LINE6_TIMEOUT * HZ);
523 dev_err(line6->ifcdev, "write request failed (error %d)\n", ret);
528 ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev,0), 0x67,
529 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
530 0x0012, 0x0000, &status, 1, LINE6_TIMEOUT * HZ);
533 dev_err(line6->ifcdev, "receiving status failed (error %d)\n", ret);
537 while(status == 0xff);
540 dev_err(line6->ifcdev, "write failed (error %d)\n", ret);
548 Read Line6 device serial number.
549 (POD, TonePort, GuitarPort)
551 int line6_read_serial_number(struct usb_line6 *line6, int *serial_number)
553 return line6_read_data(line6, 0x80d0, serial_number, sizeof(*serial_number));
557 No operation (i.e., unsupported).
559 ssize_t line6_nop_read(struct device *dev, struct device_attribute *attr,
566 No operation (i.e., unsupported).
568 ssize_t line6_nop_write(struct device *dev, struct device_attribute *attr,
569 const char *buf, size_t count)
575 "write" request on "raw" special file.
578 ssize_t line6_set_raw(struct device *dev, struct device_attribute *attr,
579 const char *buf, size_t count)
581 struct usb_interface *interface = to_usb_interface(dev);
582 struct usb_line6 *line6 = usb_get_intfdata(interface);
583 line6_send_raw_message(line6, buf, count);
591 static void line6_destruct(struct usb_interface *interface)
593 struct usb_line6 *line6;
594 if(interface == NULL) return;
595 line6 = usb_get_intfdata(interface);
596 if(line6 == NULL) return;
598 /* free buffer memory first: */
599 if(line6->buffer_message != NULL) kfree(line6->buffer_message);
600 if(line6->buffer_listen != NULL) kfree(line6->buffer_listen);
602 /* then free URBs: */
603 if(line6->urb_listen != NULL) usb_free_urb(line6->urb_listen);
605 /* make sure the device isn't destructed twice: */
606 usb_set_intfdata(interface, NULL);
608 /* free interface data: */
612 static void line6_list_devices(void)
616 for(i = 0; i < LINE6_MAX_DEVICES; ++i) {
617 struct usb_line6 *dev = line6_devices[i];
618 printk(KERN_INFO "Line6 device %d: ", i);
621 printk("(not used)\n");
623 printk("%s:%d\n", dev->properties->name, dev->interface_number);
630 static int line6_probe(struct usb_interface *interface, const struct usb_device_id *id)
633 struct usb_device *usbdev = 0;
634 struct usb_line6 *line6 = 0;
635 const struct line6_properties *properties;
637 int interface_number, alternate = 0;
640 int ep_read = 0, ep_write = 0;
643 if(interface == NULL) return -ENODEV;
644 usbdev = interface_to_usbdev(interface);
645 if(usbdev == NULL) return -ENODEV;
647 /* increment reference counters: */
648 usb_get_intf(interface);
651 /* we don't handle multiple configurations */
652 if(usbdev->descriptor.bNumConfigurations != 1)
655 /* check vendor and product id */
656 for(devtype = sizeof(line6_id_table) / sizeof(line6_id_table[0]) - 1; devtype--;)
657 if((le16_to_cpu(usbdev->descriptor.idVendor) == line6_id_table[devtype].idVendor) &&
658 (le16_to_cpu(usbdev->descriptor.idProduct) == line6_id_table[devtype].idProduct))
664 /* find free slot in device table: */
665 for(devnum = 0; devnum < LINE6_MAX_DEVICES; ++devnum)
666 if(line6_devices[devnum] == NULL)
669 if(devnum == LINE6_MAX_DEVICES)
672 /* initialize device info: */
673 properties = &line6_properties_table[devtype];
674 dev_info(&interface->dev, "Line6 %s found\n", properties->name);
675 product = le16_to_cpu(usbdev->descriptor.idProduct);
677 /* query interface number */
678 interface_number = interface->cur_altsetting->desc.bInterfaceNumber;
681 case LINE6_DEVID_BASSPODXTLIVE:
682 case LINE6_DEVID_POCKETPOD:
683 case LINE6_DEVID_PODXTLIVE:
684 case LINE6_DEVID_VARIAX:
688 case LINE6_DEVID_PODX3:
689 case LINE6_DEVID_PODX3LIVE:
690 switch(interface_number) {
691 case 0: alternate = 1; break;
692 case 1: alternate = 0; break;
693 default: MISSING_CASE;
697 case LINE6_DEVID_BASSPODXT:
698 case LINE6_DEVID_BASSPODXTPRO:
699 case LINE6_DEVID_PODXT:
700 case LINE6_DEVID_PODXTPRO:
704 case LINE6_DEVID_TONEPORT_GX:
705 case LINE6_DEVID_GUITARPORT:
706 alternate = 2; // 1..4 seem to be ok
709 case LINE6_DEVID_TONEPORT_UX1:
710 case LINE6_DEVID_TONEPORT_UX2:
711 switch(interface_number) {
712 case 0: alternate = 2; break; /* defaults to 44.1kHz, 16-bit */
713 case 1: alternate = 0; break;
714 default: MISSING_CASE;
723 if((ret = usb_set_interface(usbdev, interface_number, alternate)) < 0) {
724 dev_err(&interface->dev, "set_interface failed\n");
728 /* initialize device data based on product id: */
730 case LINE6_DEVID_BASSPODXT:
731 case LINE6_DEVID_BASSPODXTLIVE:
732 case LINE6_DEVID_BASSPODXTPRO:
733 case LINE6_DEVID_POCKETPOD:
734 case LINE6_DEVID_PODXT:
735 case LINE6_DEVID_PODXTPRO:
736 size = sizeof(struct usb_line6_pod);
741 case LINE6_DEVID_PODX3:
742 case LINE6_DEVID_PODX3LIVE:
743 /* currently unused! */
744 size = sizeof(struct usb_line6_pod);
749 case LINE6_DEVID_TONEPORT_GX:
750 case LINE6_DEVID_TONEPORT_UX1:
751 case LINE6_DEVID_TONEPORT_UX2:
752 case LINE6_DEVID_GUITARPORT:
753 size = sizeof(struct usb_line6_toneport);
754 /* these don't have a control channel */
757 case LINE6_DEVID_PODXTLIVE:
758 switch(interface_number) {
759 case PODXTLIVE_INTERFACE_POD:
760 size = sizeof(struct usb_line6_pod);
765 case PODXTLIVE_INTERFACE_VARIAX:
766 size = sizeof(struct usb_line6_variax);
776 case LINE6_DEVID_VARIAX:
777 size = sizeof(struct usb_line6_variax);
788 dev_err(line6->ifcdev, "driver bug: interface data size not set\n");
792 line6 = kzalloc(size, GFP_KERNEL);
795 dev_err(&interface->dev, "Out of memory\n");
799 /* store basic data: */
800 line6->interface_number = interface_number;
801 line6->properties = properties;
802 line6->usbdev = usbdev;
803 line6->ifcdev = &interface->dev;
804 line6->ep_control_read = ep_read;
805 line6->ep_control_write = ep_write;
806 line6->product = product;
808 /* get data from endpoint descriptor (see usb_maxpacket): */
810 struct usb_host_endpoint *ep;
811 unsigned epnum = usb_pipeendpoint(usb_rcvintpipe(usbdev, ep_read));
812 ep = usbdev->ep_in[epnum];
815 line6->interval = ep->desc.bInterval;
816 line6->max_packet_size = le16_to_cpu(ep->desc.wMaxPacketSize);
819 line6->interval = LINE6_FALLBACK_INTERVAL;
820 line6->max_packet_size = LINE6_FALLBACK_MAXPACKETSIZE;
821 dev_err(line6->ifcdev, "endpoint not available, using fallback values");
825 usb_set_intfdata(interface, line6);
827 if(properties->capabilities & LINE6_BIT_CONTROL) {
828 /* initialize USB buffers: */
829 line6->buffer_listen = kmalloc(LINE6_BUFSIZE_LISTEN, GFP_KERNEL);
831 if(line6->buffer_listen == NULL) {
832 dev_err(&interface->dev, "Out of memory\n");
833 line6_destruct(interface);
837 line6->buffer_message = kmalloc(LINE6_MESSAGE_MAXLEN, GFP_KERNEL);
839 if(line6->buffer_message == NULL) {
840 dev_err(&interface->dev, "Out of memory\n");
841 line6_destruct(interface);
845 line6->urb_listen = usb_alloc_urb(0, GFP_KERNEL);
847 if(line6->urb_listen == NULL) {
848 dev_err(&interface->dev, "Out of memory\n");
849 line6_destruct(interface);
853 if((ret = line6_start_listen(line6)) < 0) {
854 dev_err(&interface->dev, " line6_probe: usb_submit_urb failed\n");
855 line6_destruct(interface);
860 /* initialize device data based on product id: */
862 case LINE6_DEVID_BASSPODXT:
863 case LINE6_DEVID_BASSPODXTLIVE:
864 case LINE6_DEVID_BASSPODXTPRO:
865 case LINE6_DEVID_POCKETPOD:
866 case LINE6_DEVID_PODX3:
867 case LINE6_DEVID_PODX3LIVE:
868 case LINE6_DEVID_PODXT:
869 case LINE6_DEVID_PODXTPRO:
870 ret = pod_init(interface, (struct usb_line6_pod *)line6);
873 case LINE6_DEVID_PODXTLIVE:
874 switch(interface_number) {
875 case PODXTLIVE_INTERFACE_POD:
876 ret = pod_init(interface, (struct usb_line6_pod *)line6);
879 case PODXTLIVE_INTERFACE_VARIAX:
880 ret = variax_init(interface, (struct usb_line6_variax *)line6);
884 dev_err(&interface->dev, "PODxt Live interface %d not supported\n", interface_number);
890 case LINE6_DEVID_VARIAX:
891 ret = variax_init(interface, (struct usb_line6_variax *)line6);
894 case LINE6_DEVID_TONEPORT_GX:
895 case LINE6_DEVID_TONEPORT_UX1:
896 case LINE6_DEVID_TONEPORT_UX2:
897 case LINE6_DEVID_GUITARPORT:
898 ret = toneport_init(interface, (struct usb_line6_toneport *)line6);
907 line6_destruct(interface);
911 if((ret = sysfs_create_link(&interface->dev.kobj, &usbdev->dev.kobj, "usb_device")) < 0) {
912 line6_destruct(interface);
916 dev_info(&interface->dev, "Line6 %s now attached\n", line6->properties->name);
917 line6_devices[devnum] = line6;
918 line6_list_devices();
923 Line6 device disconnected.
925 static void line6_disconnect(struct usb_interface *interface)
927 struct usb_line6 *line6;
928 struct usb_device *usbdev;
929 int interface_number, i;
931 if(interface == NULL) return;
932 usbdev = interface_to_usbdev(interface);
933 if(usbdev == NULL) return;
935 sysfs_remove_link(&interface->dev.kobj, "usb_device");
937 interface_number = interface->cur_altsetting->desc.bInterfaceNumber;
938 line6 = usb_get_intfdata(interface);
941 if(line6->urb_listen != NULL) usb_kill_urb(line6->urb_listen);
943 if(usbdev != line6->usbdev)
944 dev_err(line6->ifcdev, "driver bug: inconsistent usb device\n");
946 switch(line6->usbdev->descriptor.idProduct) {
947 case LINE6_DEVID_BASSPODXT:
948 case LINE6_DEVID_BASSPODXTLIVE:
949 case LINE6_DEVID_BASSPODXTPRO:
950 case LINE6_DEVID_POCKETPOD:
951 case LINE6_DEVID_PODX3:
952 case LINE6_DEVID_PODX3LIVE:
953 case LINE6_DEVID_PODXT:
954 case LINE6_DEVID_PODXTPRO:
955 pod_disconnect(interface);
958 case LINE6_DEVID_PODXTLIVE:
959 switch(interface_number) {
960 case PODXTLIVE_INTERFACE_POD:
961 pod_disconnect(interface);
964 case PODXTLIVE_INTERFACE_VARIAX:
965 variax_disconnect(interface);
971 case LINE6_DEVID_VARIAX:
972 variax_disconnect(interface);
975 case LINE6_DEVID_TONEPORT_GX:
976 case LINE6_DEVID_TONEPORT_UX1:
977 case LINE6_DEVID_TONEPORT_UX2:
978 case LINE6_DEVID_GUITARPORT:
979 toneport_disconnect(interface);
986 dev_info(&interface->dev, "Line6 %s now disconnected\n", line6->properties->name);
988 for(i = LINE6_MAX_DEVICES; i--;)
989 if(line6_devices[i] == line6)
990 line6_devices[i] = 0;
993 line6_destruct(interface);
995 /* decrement reference counters: */
996 usb_put_intf(interface);
999 line6_list_devices();
1002 static struct usb_driver line6_driver = {
1003 .name = DRIVER_NAME,
1004 .probe = line6_probe,
1005 .disconnect = line6_disconnect,
1006 .id_table = line6_id_table,
1010 Module initialization.
1012 static int __init line6_init(void)
1016 printk("%s driver version %s%s\n", DRIVER_NAME, DRIVER_VERSION, DRIVER_REVISION);
1017 line6_workqueue = create_workqueue(DRIVER_NAME);
1019 if(line6_workqueue == 0) {
1020 err("couldn't create workqueue");
1024 for(i = LINE6_MAX_DEVICES; i--;)
1025 line6_devices[i] = 0;
1027 retval = usb_register(&line6_driver);
1030 err("usb_register failed. Error number %d", retval);
1038 static void __exit line6_exit(void)
1040 destroy_workqueue(line6_workqueue);
1041 usb_deregister(&line6_driver);
1044 module_init(line6_init);
1045 module_exit(line6_exit);
1047 MODULE_AUTHOR(DRIVER_AUTHOR);
1048 MODULE_DESCRIPTION(DRIVER_DESC);
1049 MODULE_LICENSE("GPL");
1050 MODULE_VERSION(DRIVER_VERSION);