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.
86 struct usb_line6
*line6
;
96 static void line6_data_received(struct urb
*urb
);
97 static int line6_send_raw_message_async_part(struct message
*msg
,
102 Start to listen on endpoint.
104 static int line6_start_listen(struct usb_line6
*line6
)
106 usb_fill_int_urb(line6
->urb_listen
, line6
->usbdev
,
107 usb_rcvintpipe(line6
->usbdev
, line6
->ep_control_read
),
108 line6
->buffer_listen
, LINE6_BUFSIZE_LISTEN
,
109 line6_data_received
, line6
, line6
->interval
);
110 line6
->urb_listen
->actual_length
= 0;
111 return usb_submit_urb(line6
->urb_listen
, GFP_KERNEL
);
116 Write hexdump to syslog.
118 void line6_write_hexdump(struct usb_line6
*line6
, char dir
,
119 const unsigned char *buffer
, int size
)
121 static const int BYTES_PER_LINE
= 8;
123 char asc
[BYTES_PER_LINE
+ 1];
126 for (i
= 0; i
< size
; i
+= BYTES_PER_LINE
) {
127 int hexdumpsize
= sizeof(hexdump
);
129 int n
= min(size
- i
, BYTES_PER_LINE
);
132 for (j
= 0; j
< BYTES_PER_LINE
; ++j
) {
136 unsigned char val
= buffer
[i
+ j
];
137 bytes
= snprintf(p
, hexdumpsize
, " %02X", val
);
138 asc
[j
] = ((val
>= 0x20) && (val
< 0x7f)) ? val
: '.';
140 bytes
= snprintf(p
, hexdumpsize
, " ");
142 if (bytes
> hexdumpsize
)
143 break; /* buffer overflow */
146 hexdumpsize
-= bytes
;
149 dev_info(line6
->ifcdev
, "%c%04X:%s %s\n", dir
, i
, hexdump
, asc
);
154 #if DO_DUMP_URB_RECEIVE
156 Dump URB data to syslog.
158 static void line6_dump_urb(struct urb
*urb
)
160 struct usb_line6
*line6
= (struct usb_line6
*)urb
->context
;
165 line6_write_hexdump(line6
, 'R', (unsigned char *)urb
->transfer_buffer
,
171 Send raw message in pieces of max_packet_size bytes.
173 int line6_send_raw_message(struct usb_line6
*line6
, const char *buffer
,
180 line6_write_hexdump(line6
, 'S', buffer
, size
);
183 for (i
= 0; i
< size
; i
+= actual_size
) {
184 const char *frag_buf
= buffer
+ i
;
185 int frag_size
= min(line6
->max_packet_size
, size
- i
);
188 retval
= usb_interrupt_msg(line6
->usbdev
,
189 usb_sndintpipe(line6
->usbdev
,
190 line6
->ep_control_write
),
191 (char *)frag_buf
, frag_size
,
192 &actual_size
, LINE6_TIMEOUT
* HZ
);
195 dev_err(line6
->ifcdev
,
196 "usb_interrupt_msg failed (%d)\n", retval
);
207 Notification of completion of asynchronous request transmission.
209 static void line6_async_request_sent(struct urb
*urb
)
211 struct message
*msg
= (struct message
*)urb
->context
;
213 if (msg
->done
>= msg
->size
) {
217 line6_send_raw_message_async_part(msg
, urb
);
221 Asynchronously send part of a raw message.
223 static int line6_send_raw_message_async_part(struct message
*msg
,
227 struct usb_line6
*line6
= msg
->line6
;
228 int done
= msg
->done
;
229 int bytes
= min(msg
->size
- done
, line6
->max_packet_size
);
231 usb_fill_int_urb(urb
, line6
->usbdev
,
232 usb_sndintpipe(line6
->usbdev
, line6
->ep_control_write
),
233 (char *)msg
->buffer
+ done
, bytes
,
234 line6_async_request_sent
, msg
, line6
->interval
);
237 line6_write_hexdump(line6
, 'S', (char *)msg
->buffer
+ done
, bytes
);
241 retval
= usb_submit_urb(urb
, GFP_ATOMIC
);
244 dev_err(line6
->ifcdev
, "%s: usb_submit_urb failed (%d)\n",
255 Asynchronously send raw message.
257 int line6_send_raw_message_async(struct usb_line6
*line6
, const char *buffer
,
263 /* create message: */
264 msg
= kmalloc(sizeof(struct message
), GFP_ATOMIC
);
267 dev_err(line6
->ifcdev
, "Out of memory\n");
272 urb
= usb_alloc_urb(0, GFP_ATOMIC
);
276 dev_err(line6
->ifcdev
, "Out of memory\n");
280 /* set message data: */
282 msg
->buffer
= buffer
;
287 return line6_send_raw_message_async_part(msg
, urb
);
291 Send sysex message in pieces of wMaxPacketSize bytes.
293 int line6_send_sysex_message(struct usb_line6
*line6
, const char *buffer
,
296 return line6_send_raw_message(line6
, buffer
, size
+ SYSEX_EXTRA_SIZE
) - SYSEX_EXTRA_SIZE
;
300 Allocate buffer for sysex message and prepare header.
301 @param code sysex message code
302 @param size number of bytes between code and sysex end
304 char *line6_alloc_sysex_buffer(struct usb_line6
*line6
, int code1
, int code2
,
307 char *buffer
= kmalloc(size
+ SYSEX_EXTRA_SIZE
, GFP_KERNEL
);
310 dev_err(line6
->ifcdev
, "out of memory\n");
314 buffer
[0] = LINE6_SYSEX_BEGIN
;
315 memcpy(buffer
+ 1, line6_midi_id
, sizeof(line6_midi_id
));
316 buffer
[sizeof(line6_midi_id
) + 1] = code1
;
317 buffer
[sizeof(line6_midi_id
) + 2] = code2
;
318 buffer
[sizeof(line6_midi_id
) + 3 + size
] = LINE6_SYSEX_END
;
323 Notification of data received from the Line6 device.
325 static void line6_data_received(struct urb
*urb
)
327 struct usb_line6
*line6
= (struct usb_line6
*)urb
->context
;
328 struct MidiBuffer
*mb
= &line6
->line6midi
->midibuf_in
;
331 if (urb
->status
== -ESHUTDOWN
)
334 #if DO_DUMP_URB_RECEIVE
338 done
= midibuf_write(mb
, urb
->transfer_buffer
, urb
->actual_length
);
340 if (done
< urb
->actual_length
) {
341 midibuf_ignore(mb
, done
);
342 DEBUG_MESSAGES(dev_err(line6
->ifcdev
, "%d %d buffer overflow - message skipped\n", done
, urb
->actual_length
));
346 done
= midibuf_read(mb
, line6
->buffer_message
, LINE6_MESSAGE_MAXLEN
);
351 /* MIDI input filter */
352 if (midibuf_skip_message(mb
, line6
->line6midi
->midi_mask_receive
))
355 line6
->message_length
= done
;
356 #if DO_DUMP_MIDI_RECEIVE
357 line6_write_hexdump(line6
, 'r', line6
->buffer_message
, done
);
359 line6_midi_receive(line6
, line6
->buffer_message
, done
);
361 switch (line6
->usbdev
->descriptor
.idProduct
) {
362 case LINE6_DEVID_BASSPODXT
:
363 case LINE6_DEVID_BASSPODXTLIVE
:
364 case LINE6_DEVID_BASSPODXTPRO
:
365 case LINE6_DEVID_PODXT
:
366 case LINE6_DEVID_PODXTPRO
:
367 case LINE6_DEVID_POCKETPOD
:
368 pod_process_message((struct usb_line6_pod
*)line6
);
371 case LINE6_DEVID_PODXTLIVE
:
372 switch (line6
->interface_number
) {
373 case PODXTLIVE_INTERFACE_POD
:
374 pod_process_message((struct usb_line6_pod
*)line6
);
377 case PODXTLIVE_INTERFACE_VARIAX
:
378 variax_process_message((struct usb_line6_variax
*)line6
);
382 dev_err(line6
->ifcdev
, "PODxt Live interface %d not supported\n", line6
->interface_number
);
386 case LINE6_DEVID_VARIAX
:
387 variax_process_message((struct usb_line6_variax
*)line6
);
395 line6_start_listen(line6
);
398 static int line6_send(struct usb_line6
*line6
, unsigned char *buf
, size_t len
)
401 unsigned int partial
;
404 line6_write_hexdump(line6
, 'S', buf
, len
);
407 retval
= usb_interrupt_msg(line6
->usbdev
,
408 usb_sndintpipe(line6
->usbdev
,
409 line6
->ep_control_write
),
414 dev_err(line6
->ifcdev
,
415 "usb_interrupt_msg failed (%d)\n", retval
);
418 if (partial
!= len
) {
419 dev_err(line6
->ifcdev
,
420 "usb_interrupt_msg sent partial message (%d)\n",
428 Send channel number (i.e., switch to a different sound).
430 int line6_send_program(struct usb_line6
*line6
, int value
)
432 unsigned char *buffer
;
435 buffer
= kmalloc(len
, GFP_KERNEL
);
437 dev_err(line6
->ifcdev
, "out of memory\n");
441 buffer
[0] = LINE6_PROGRAM_CHANGE
| LINE6_CHANNEL_HOST
;
444 return line6_send(line6
, buffer
, len
);
448 Transmit Line6 control parameter.
450 int line6_transmit_parameter(struct usb_line6
*line6
, int param
, int value
)
452 unsigned char *buffer
;
455 buffer
= kmalloc(len
, GFP_KERNEL
);
457 dev_err(line6
->ifcdev
, "out of memory\n");
461 buffer
[0] = LINE6_PARAM_CHANGE
| LINE6_CHANNEL_HOST
;
465 return line6_send(line6
, buffer
, len
);
469 Read data from device.
471 int line6_read_data(struct usb_line6
*line6
, int address
, void *data
, size_t datalen
)
473 struct usb_device
*usbdev
= line6
->usbdev
;
477 /* query the serial number: */
478 ret
= usb_control_msg(usbdev
, usb_sndctrlpipe(usbdev
, 0), 0x67,
479 USB_TYPE_VENDOR
| USB_RECIP_DEVICE
481 (datalen
<< 8) | 0x21, address
,
482 NULL
, 0, LINE6_TIMEOUT
* HZ
);
485 dev_err(line6
->ifcdev
, "read request failed (error %d)\n", ret
);
489 /* Wait for data length. We'll get a couple of 0xff until length arrives. */
491 ret
= usb_control_msg(usbdev
, usb_rcvctrlpipe(usbdev
, 0), 0x67,
492 USB_TYPE_VENDOR
| USB_RECIP_DEVICE
|
494 0x0012, 0x0000, &len
, 1,
497 dev_err(line6
->ifcdev
,
498 "receive length failed (error %d)\n", ret
);
501 } while (len
== 0xff);
503 if (len
!= datalen
) {
504 /* should be equal or something went wrong */
505 dev_err(line6
->ifcdev
,
506 "length mismatch (expected %d, got %d)\n",
507 (int)datalen
, (int)len
);
511 /* receive the result: */
512 ret
= usb_control_msg(usbdev
, usb_rcvctrlpipe(usbdev
, 0), 0x67,
513 USB_TYPE_VENDOR
| USB_RECIP_DEVICE
| USB_DIR_IN
,
514 0x0013, 0x0000, data
, datalen
,
518 dev_err(line6
->ifcdev
, "read failed (error %d)\n", ret
);
526 Write data to device.
528 int line6_write_data(struct usb_line6
*line6
, int address
, void *data
,
531 struct usb_device
*usbdev
= line6
->usbdev
;
533 unsigned char status
;
535 ret
= usb_control_msg(usbdev
, usb_sndctrlpipe(usbdev
, 0), 0x67,
536 USB_TYPE_VENDOR
| USB_RECIP_DEVICE
| USB_DIR_OUT
,
537 0x0022, address
, data
, datalen
,
541 dev_err(line6
->ifcdev
,
542 "write request failed (error %d)\n", ret
);
547 ret
= usb_control_msg(usbdev
, usb_rcvctrlpipe(usbdev
, 0),
549 USB_TYPE_VENDOR
| USB_RECIP_DEVICE
|
552 &status
, 1, LINE6_TIMEOUT
* HZ
);
555 dev_err(line6
->ifcdev
,
556 "receiving status failed (error %d)\n", ret
);
560 while (status
== 0xff)
564 dev_err(line6
->ifcdev
, "write failed (error %d)\n", ret
);
572 Read Line6 device serial number.
573 (POD, TonePort, GuitarPort)
575 int line6_read_serial_number(struct usb_line6
*line6
, int *serial_number
)
577 return line6_read_data(line6
, 0x80d0, serial_number
, sizeof(*serial_number
));
581 No operation (i.e., unsupported).
583 ssize_t
line6_nop_read(struct device
*dev
, struct device_attribute
*attr
,
590 No operation (i.e., unsupported).
592 ssize_t
line6_nop_write(struct device
*dev
, struct device_attribute
*attr
,
593 const char *buf
, size_t count
)
599 "write" request on "raw" special file.
602 ssize_t
line6_set_raw(struct device
*dev
, struct device_attribute
*attr
,
603 const char *buf
, size_t count
)
605 struct usb_interface
*interface
= to_usb_interface(dev
);
606 struct usb_line6
*line6
= usb_get_intfdata(interface
);
607 line6_send_raw_message(line6
, buf
, count
);
615 static void line6_destruct(struct usb_interface
*interface
)
617 struct usb_line6
*line6
;
619 if (interface
== NULL
)
621 line6
= usb_get_intfdata(interface
);
625 /* free buffer memory first: */
626 kfree(line6
->buffer_message
);
627 kfree(line6
->buffer_listen
);
629 /* then free URBs: */
630 usb_free_urb(line6
->urb_listen
);
632 /* make sure the device isn't destructed twice: */
633 usb_set_intfdata(interface
, NULL
);
635 /* free interface data: */
639 static void line6_list_devices(void)
643 for (i
= 0; i
< LINE6_MAX_DEVICES
; ++i
) {
644 struct usb_line6
*dev
= line6_devices
[i
];
645 printk(KERN_INFO
"Line6 device %d: ", i
);
648 printk("(not used)\n");
650 printk("%s:%d\n", dev
->properties
->name
, dev
->interface_number
);
657 static int line6_probe(struct usb_interface
*interface
, const struct usb_device_id
*id
)
660 struct usb_device
*usbdev
= NULL
;
661 struct usb_line6
*line6
= NULL
;
662 const struct line6_properties
*properties
;
664 int interface_number
, alternate
= 0;
667 int ep_read
= 0, ep_write
= 0;
670 if (interface
== NULL
)
672 usbdev
= interface_to_usbdev(interface
);
676 /* increment reference counters: */
677 usb_get_intf(interface
);
680 /* we don't handle multiple configurations */
681 if (usbdev
->descriptor
.bNumConfigurations
!= 1)
684 /* check vendor and product id */
685 for (devtype
= ARRAY_SIZE(line6_id_table
) - 1; devtype
--;) {
686 u16 vendor
= le16_to_cpu(usbdev
->descriptor
.idVendor
);
687 u16 product
= le16_to_cpu(usbdev
->descriptor
.idProduct
);
689 if (vendor
== line6_id_table
[devtype
].idVendor
690 && product
== line6_id_table
[devtype
].idProduct
)
697 /* find free slot in device table: */
698 for (devnum
= 0; devnum
< LINE6_MAX_DEVICES
; ++devnum
)
699 if (line6_devices
[devnum
] == NULL
)
702 if (devnum
== LINE6_MAX_DEVICES
)
705 /* initialize device info: */
706 properties
= &line6_properties_table
[devtype
];
707 dev_info(&interface
->dev
, "Line6 %s found\n", properties
->name
);
708 product
= le16_to_cpu(usbdev
->descriptor
.idProduct
);
710 /* query interface number */
711 interface_number
= interface
->cur_altsetting
->desc
.bInterfaceNumber
;
714 case LINE6_DEVID_BASSPODXTLIVE
:
715 case LINE6_DEVID_POCKETPOD
:
716 case LINE6_DEVID_PODXTLIVE
:
717 case LINE6_DEVID_VARIAX
:
721 case LINE6_DEVID_PODX3
:
722 case LINE6_DEVID_PODX3LIVE
:
723 switch (interface_number
) {
735 case LINE6_DEVID_BASSPODXT
:
736 case LINE6_DEVID_BASSPODXTPRO
:
737 case LINE6_DEVID_PODXT
:
738 case LINE6_DEVID_PODXTPRO
:
742 case LINE6_DEVID_TONEPORT_GX
:
743 case LINE6_DEVID_GUITARPORT
:
744 alternate
= 2; /* 1..4 seem to be ok */
747 case LINE6_DEVID_TONEPORT_UX1
:
748 case LINE6_DEVID_TONEPORT_UX2
:
749 switch (interface_number
) {
751 /* defaults to 44.1kHz, 16-bit */
767 ret
= usb_set_interface(usbdev
, interface_number
, alternate
);
769 dev_err(&interface
->dev
, "set_interface failed\n");
773 /* initialize device data based on product id: */
775 case LINE6_DEVID_BASSPODXT
:
776 case LINE6_DEVID_BASSPODXTLIVE
:
777 case LINE6_DEVID_BASSPODXTPRO
:
778 case LINE6_DEVID_POCKETPOD
:
779 case LINE6_DEVID_PODXT
:
780 case LINE6_DEVID_PODXTPRO
:
781 size
= sizeof(struct usb_line6_pod
);
786 case LINE6_DEVID_PODX3
:
787 case LINE6_DEVID_PODX3LIVE
:
788 /* currently unused! */
789 size
= sizeof(struct usb_line6_pod
);
794 case LINE6_DEVID_TONEPORT_GX
:
795 case LINE6_DEVID_TONEPORT_UX1
:
796 case LINE6_DEVID_TONEPORT_UX2
:
797 case LINE6_DEVID_GUITARPORT
:
798 size
= sizeof(struct usb_line6_toneport
);
799 /* these don't have a control channel */
802 case LINE6_DEVID_PODXTLIVE
:
803 switch (interface_number
) {
804 case PODXTLIVE_INTERFACE_POD
:
805 size
= sizeof(struct usb_line6_pod
);
810 case PODXTLIVE_INTERFACE_VARIAX
:
811 size
= sizeof(struct usb_line6_variax
);
821 case LINE6_DEVID_VARIAX
:
822 size
= sizeof(struct usb_line6_variax
);
833 dev_err(line6
->ifcdev
, "driver bug: interface data size not set\n");
837 line6
= kzalloc(size
, GFP_KERNEL
);
840 dev_err(&interface
->dev
, "Out of memory\n");
844 /* store basic data: */
845 line6
->interface_number
= interface_number
;
846 line6
->properties
= properties
;
847 line6
->usbdev
= usbdev
;
848 line6
->ifcdev
= &interface
->dev
;
849 line6
->ep_control_read
= ep_read
;
850 line6
->ep_control_write
= ep_write
;
851 line6
->product
= product
;
853 /* get data from endpoint descriptor (see usb_maxpacket): */
855 struct usb_host_endpoint
*ep
;
856 unsigned epnum
= usb_pipeendpoint(usb_rcvintpipe(usbdev
, ep_read
));
857 ep
= usbdev
->ep_in
[epnum
];
860 line6
->interval
= ep
->desc
.bInterval
;
861 line6
->max_packet_size
= le16_to_cpu(ep
->desc
.wMaxPacketSize
);
863 line6
->interval
= LINE6_FALLBACK_INTERVAL
;
864 line6
->max_packet_size
= LINE6_FALLBACK_MAXPACKETSIZE
;
865 dev_err(line6
->ifcdev
, "endpoint not available, using fallback values");
869 usb_set_intfdata(interface
, line6
);
871 if (properties
->capabilities
& LINE6_BIT_CONTROL
) {
872 /* initialize USB buffers: */
873 line6
->buffer_listen
= kmalloc(LINE6_BUFSIZE_LISTEN
, GFP_KERNEL
);
875 if (line6
->buffer_listen
== NULL
) {
876 dev_err(&interface
->dev
, "Out of memory\n");
877 line6_destruct(interface
);
881 line6
->buffer_message
= kmalloc(LINE6_MESSAGE_MAXLEN
, GFP_KERNEL
);
883 if (line6
->buffer_message
== NULL
) {
884 dev_err(&interface
->dev
, "Out of memory\n");
885 line6_destruct(interface
);
889 line6
->urb_listen
= usb_alloc_urb(0, GFP_KERNEL
);
891 if (line6
->urb_listen
== NULL
) {
892 dev_err(&interface
->dev
, "Out of memory\n");
893 line6_destruct(interface
);
897 ret
= line6_start_listen(line6
);
899 dev_err(&interface
->dev
, "%s: usb_submit_urb failed\n",
901 line6_destruct(interface
);
906 /* initialize device data based on product id: */
908 case LINE6_DEVID_BASSPODXT
:
909 case LINE6_DEVID_BASSPODXTLIVE
:
910 case LINE6_DEVID_BASSPODXTPRO
:
911 case LINE6_DEVID_POCKETPOD
:
912 case LINE6_DEVID_PODX3
:
913 case LINE6_DEVID_PODX3LIVE
:
914 case LINE6_DEVID_PODXT
:
915 case LINE6_DEVID_PODXTPRO
:
916 ret
= pod_init(interface
, (struct usb_line6_pod
*)line6
);
919 case LINE6_DEVID_PODXTLIVE
:
920 switch (interface_number
) {
921 case PODXTLIVE_INTERFACE_POD
:
922 ret
= pod_init(interface
, (struct usb_line6_pod
*)line6
);
925 case PODXTLIVE_INTERFACE_VARIAX
:
926 ret
= variax_init(interface
, (struct usb_line6_variax
*)line6
);
930 dev_err(&interface
->dev
,
931 "PODxt Live interface %d not supported\n",
938 case LINE6_DEVID_VARIAX
:
939 ret
= variax_init(interface
, (struct usb_line6_variax
*)line6
);
942 case LINE6_DEVID_TONEPORT_GX
:
943 case LINE6_DEVID_TONEPORT_UX1
:
944 case LINE6_DEVID_TONEPORT_UX2
:
945 case LINE6_DEVID_GUITARPORT
:
946 ret
= toneport_init(interface
, (struct usb_line6_toneport
*)line6
);
955 line6_destruct(interface
);
959 ret
= sysfs_create_link(&interface
->dev
.kobj
, &usbdev
->dev
.kobj
,
962 line6_destruct(interface
);
966 dev_info(&interface
->dev
, "Line6 %s now attached\n",
967 line6
->properties
->name
);
968 line6_devices
[devnum
] = line6
;
969 line6_list_devices();
974 Line6 device disconnected.
976 static void line6_disconnect(struct usb_interface
*interface
)
978 struct usb_line6
*line6
;
979 struct usb_device
*usbdev
;
980 int interface_number
, i
;
982 if (interface
== NULL
)
984 usbdev
= interface_to_usbdev(interface
);
988 sysfs_remove_link(&interface
->dev
.kobj
, "usb_device");
990 interface_number
= interface
->cur_altsetting
->desc
.bInterfaceNumber
;
991 line6
= usb_get_intfdata(interface
);
994 if (line6
->urb_listen
!= NULL
)
995 usb_kill_urb(line6
->urb_listen
);
997 if (usbdev
!= line6
->usbdev
)
998 dev_err(line6
->ifcdev
,
999 "driver bug: inconsistent usb device\n");
1001 switch (line6
->usbdev
->descriptor
.idProduct
) {
1002 case LINE6_DEVID_BASSPODXT
:
1003 case LINE6_DEVID_BASSPODXTLIVE
:
1004 case LINE6_DEVID_BASSPODXTPRO
:
1005 case LINE6_DEVID_POCKETPOD
:
1006 case LINE6_DEVID_PODX3
:
1007 case LINE6_DEVID_PODX3LIVE
:
1008 case LINE6_DEVID_PODXT
:
1009 case LINE6_DEVID_PODXTPRO
:
1010 pod_disconnect(interface
);
1013 case LINE6_DEVID_PODXTLIVE
:
1014 switch (interface_number
) {
1015 case PODXTLIVE_INTERFACE_POD
:
1016 pod_disconnect(interface
);
1019 case PODXTLIVE_INTERFACE_VARIAX
:
1020 variax_disconnect(interface
);
1026 case LINE6_DEVID_VARIAX
:
1027 variax_disconnect(interface
);
1030 case LINE6_DEVID_TONEPORT_GX
:
1031 case LINE6_DEVID_TONEPORT_UX1
:
1032 case LINE6_DEVID_TONEPORT_UX2
:
1033 case LINE6_DEVID_GUITARPORT
:
1034 toneport_disconnect(interface
);
1041 dev_info(&interface
->dev
, "Line6 %s now disconnected\n", line6
->properties
->name
);
1043 for (i
= LINE6_MAX_DEVICES
; i
--;) {
1044 if (line6_devices
[i
] == line6
)
1045 line6_devices
[i
] = NULL
;
1049 line6_destruct(interface
);
1051 /* decrement reference counters: */
1052 usb_put_intf(interface
);
1053 usb_put_dev(usbdev
);
1055 line6_list_devices();
1058 static struct usb_driver line6_driver
= {
1059 .name
= DRIVER_NAME
,
1060 .probe
= line6_probe
,
1061 .disconnect
= line6_disconnect
,
1062 .id_table
= line6_id_table
,
1066 Module initialization.
1068 static int __init
line6_init(void)
1072 printk(KERN_INFO
"%s driver version %s%s\n",
1073 DRIVER_NAME
, DRIVER_VERSION
, DRIVER_REVISION
);
1074 line6_workqueue
= create_workqueue(DRIVER_NAME
);
1076 if (line6_workqueue
== NULL
) {
1077 err("couldn't create workqueue");
1081 for (i
= LINE6_MAX_DEVICES
; i
--;)
1082 line6_devices
[i
] = NULL
;
1084 retval
= usb_register(&line6_driver
);
1087 err("usb_register failed. Error number %d", retval
);
1095 static void __exit
line6_exit(void)
1097 destroy_workqueue(line6_workqueue
);
1098 usb_deregister(&line6_driver
);
1101 module_init(line6_init
);
1102 module_exit(line6_exit
);
1104 MODULE_AUTHOR(DRIVER_AUTHOR
);
1105 MODULE_DESCRIPTION(DRIVER_DESC
);
1106 MODULE_LICENSE("GPL");
1107 MODULE_VERSION(DRIVER_VERSION
);