2 * Line6 Linux USB driver - 0.9.1beta
4 * Copyright (C) 2004-2010 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.
12 #include <linux/kernel.h>
13 #include <linux/module.h>
14 #include <linux/slab.h>
15 #include <linux/usb.h>
29 #define DRIVER_AUTHOR "Markus Grabner <grabner@icg.tugraz.at>"
30 #define DRIVER_DESC "Line6 USB Driver"
31 #define DRIVER_VERSION "0.9.1beta" DRIVER_REVISION
33 /* table of devices that work with this driver */
34 static const struct usb_device_id line6_id_table[] = {
35 {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_BASSPODXT)},
36 {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_BASSPODXTLIVE)},
37 {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_BASSPODXTPRO)},
38 {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_GUITARPORT)},
39 {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_POCKETPOD)},
40 {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODHD300)},
41 {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODHD500)},
42 {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODSTUDIO_GX)},
43 {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODSTUDIO_UX1)},
44 {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODSTUDIO_UX2)},
45 {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODX3)},
46 {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODX3LIVE)},
47 {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODXT)},
48 {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODXTLIVE)},
49 {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODXTPRO)},
50 {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_TONEPORT_GX)},
51 {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_TONEPORT_UX1)},
52 {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_TONEPORT_UX2)},
53 {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_VARIAX)},
57 MODULE_DEVICE_TABLE(usb, line6_id_table);
60 static struct line6_properties line6_properties_table[] = {
61 { LINE6_BIT_BASSPODXT, "BassPODxt", "BassPODxt", LINE6_BIT_CONTROL_PCM_HWMON },
62 { LINE6_BIT_BASSPODXTLIVE, "BassPODxtLive", "BassPODxt Live", LINE6_BIT_CONTROL_PCM_HWMON },
63 { LINE6_BIT_BASSPODXTPRO, "BassPODxtPro", "BassPODxt Pro", LINE6_BIT_CONTROL_PCM_HWMON },
64 { LINE6_BIT_GUITARPORT, "GuitarPort", "GuitarPort", LINE6_BIT_PCM },
65 { LINE6_BIT_POCKETPOD, "PocketPOD", "Pocket POD", LINE6_BIT_CONTROL },
66 { LINE6_BIT_PODHD300, "PODHD300", "POD HD300", LINE6_BIT_CONTROL_PCM_HWMON },
67 { LINE6_BIT_PODHD500, "PODHD500", "POD HD500", LINE6_BIT_CONTROL_PCM_HWMON },
68 { LINE6_BIT_PODSTUDIO_GX, "PODStudioGX", "POD Studio GX", LINE6_BIT_PCM },
69 { LINE6_BIT_PODSTUDIO_UX1, "PODStudioUX1", "POD Studio UX1", LINE6_BIT_PCM },
70 { LINE6_BIT_PODSTUDIO_UX2, "PODStudioUX2", "POD Studio UX2", LINE6_BIT_PCM },
71 { LINE6_BIT_PODX3, "PODX3", "POD X3", LINE6_BIT_PCM },
72 { LINE6_BIT_PODX3LIVE, "PODX3Live", "POD X3 Live", LINE6_BIT_PCM },
73 { LINE6_BIT_PODXT, "PODxt", "PODxt", LINE6_BIT_CONTROL_PCM_HWMON },
74 { LINE6_BIT_PODXTLIVE, "PODxtLive", "PODxt Live", LINE6_BIT_CONTROL_PCM_HWMON },
75 { LINE6_BIT_PODXTPRO, "PODxtPro", "PODxt Pro", LINE6_BIT_CONTROL_PCM_HWMON },
76 { LINE6_BIT_TONEPORT_GX, "TonePortGX", "TonePort GX", LINE6_BIT_PCM },
77 { LINE6_BIT_TONEPORT_UX1, "TonePortUX1", "TonePort UX1", LINE6_BIT_PCM },
78 { LINE6_BIT_TONEPORT_UX2, "TonePortUX2", "TonePort UX2", LINE6_BIT_PCM },
79 { LINE6_BIT_VARIAX, "Variax", "Variax Workbench", LINE6_BIT_CONTROL },
84 This is Line6's MIDI manufacturer ID.
86 const unsigned char line6_midi_id[] = {
91 Code to request version of POD, Variax interface
92 (and maybe other devices).
94 static const char line6_request_version[] = {
95 0xf0, 0x7e, 0x7f, 0x06, 0x01, 0xf7
99 Class for asynchronous messages.
102 struct usb_line6 *line6;
109 Forward declarations.
111 static void line6_data_received(struct urb *urb);
112 static int line6_send_raw_message_async_part(struct message *msg,
116 Start to listen on endpoint.
118 static int line6_start_listen(struct usb_line6 *line6)
121 usb_fill_int_urb(line6->urb_listen, line6->usbdev,
122 usb_rcvintpipe(line6->usbdev, line6->ep_control_read),
123 line6->buffer_listen, LINE6_BUFSIZE_LISTEN,
124 line6_data_received, line6, line6->interval);
125 line6->urb_listen->actual_length = 0;
126 err = usb_submit_urb(line6->urb_listen, GFP_ATOMIC);
131 Stop listening on endpoint.
133 static void line6_stop_listen(struct usb_line6 *line6)
135 usb_kill_urb(line6->urb_listen);
138 #ifdef CONFIG_LINE6_USB_DUMP_ANY
140 Write hexdump to syslog.
142 void line6_write_hexdump(struct usb_line6 *line6, char dir,
143 const unsigned char *buffer, int size)
145 static const int BYTES_PER_LINE = 8;
147 char asc[BYTES_PER_LINE + 1];
150 for (i = 0; i < size; i += BYTES_PER_LINE) {
151 int hexdumpsize = sizeof(hexdump);
153 int n = min(size - i, BYTES_PER_LINE);
156 for (j = 0; j < BYTES_PER_LINE; ++j) {
160 unsigned char val = buffer[i + j];
161 bytes = snprintf(p, hexdumpsize, " %02X", val);
162 asc[j] = ((val >= 0x20)
163 && (val < 0x7f)) ? val : '.';
165 bytes = snprintf(p, hexdumpsize, " ");
167 if (bytes > hexdumpsize)
168 break; /* buffer overflow */
171 hexdumpsize -= bytes;
174 dev_info(line6->ifcdev, "%c%04X:%s %s\n", dir, i, hexdump, asc);
180 Send raw message in pieces of wMaxPacketSize bytes.
182 int line6_send_raw_message(struct usb_line6 *line6, const char *buffer,
187 for (i = 0; i < size; i += line6->max_packet_size) {
189 const char *frag_buf = buffer + i;
190 int frag_size = min(line6->max_packet_size, size - i);
193 retval = usb_interrupt_msg(line6->usbdev,
194 usb_sndintpipe(line6->usbdev,
195 line6->ep_control_write),
196 (char *)frag_buf, frag_size,
197 &partial, LINE6_TIMEOUT * HZ);
200 dev_err(line6->ifcdev,
201 "usb_interrupt_msg failed (%d)\n", retval);
212 Notification of completion of asynchronous request transmission.
214 static void line6_async_request_sent(struct urb *urb)
216 struct message *msg = (struct message *)urb->context;
218 if (msg->done >= msg->size) {
222 line6_send_raw_message_async_part(msg, urb);
226 Asynchronously send part of a raw message.
228 static int line6_send_raw_message_async_part(struct message *msg,
232 struct usb_line6 *line6 = msg->line6;
233 int done = msg->done;
234 int bytes = min(msg->size - done, line6->max_packet_size);
236 usb_fill_int_urb(urb, line6->usbdev,
237 usb_sndintpipe(line6->usbdev, line6->ep_control_write),
238 (char *)msg->buffer + done, bytes,
239 line6_async_request_sent, msg, line6->interval);
242 retval = usb_submit_urb(urb, GFP_ATOMIC);
245 dev_err(line6->ifcdev, "%s: usb_submit_urb failed (%d)\n",
256 Setup and start timer.
258 void line6_start_timer(struct timer_list *timer, unsigned int msecs,
259 void (*function) (unsigned long), unsigned long data)
261 setup_timer(timer, function, data);
262 timer->expires = jiffies + msecs * HZ / 1000;
267 Asynchronously send raw message.
269 int line6_send_raw_message_async(struct usb_line6 *line6, const char *buffer,
275 /* create message: */
276 msg = kmalloc(sizeof(struct message), GFP_ATOMIC);
279 dev_err(line6->ifcdev, "Out of memory\n");
284 urb = usb_alloc_urb(0, GFP_ATOMIC);
288 dev_err(line6->ifcdev, "Out of memory\n");
292 /* set message data: */
294 msg->buffer = buffer;
299 return line6_send_raw_message_async_part(msg, urb);
303 Send asynchronous device version request.
305 int line6_version_request_async(struct usb_line6 *line6)
310 buffer = kmemdup(line6_request_version,
311 sizeof(line6_request_version), GFP_ATOMIC);
312 if (buffer == NULL) {
313 dev_err(line6->ifcdev, "Out of memory");
317 retval = line6_send_raw_message_async(line6, buffer,
318 sizeof(line6_request_version));
324 Send sysex message in pieces of wMaxPacketSize bytes.
326 int line6_send_sysex_message(struct usb_line6 *line6, const char *buffer,
329 return line6_send_raw_message(line6, buffer,
330 size + SYSEX_EXTRA_SIZE) -
335 Allocate buffer for sysex message and prepare header.
336 @param code sysex message code
337 @param size number of bytes between code and sysex end
339 char *line6_alloc_sysex_buffer(struct usb_line6 *line6, int code1, int code2,
342 char *buffer = kmalloc(size + SYSEX_EXTRA_SIZE, GFP_ATOMIC);
345 dev_err(line6->ifcdev, "out of memory\n");
349 buffer[0] = LINE6_SYSEX_BEGIN;
350 memcpy(buffer + 1, line6_midi_id, sizeof(line6_midi_id));
351 buffer[sizeof(line6_midi_id) + 1] = code1;
352 buffer[sizeof(line6_midi_id) + 2] = code2;
353 buffer[sizeof(line6_midi_id) + 3 + size] = LINE6_SYSEX_END;
358 Notification of data received from the Line6 device.
360 static void line6_data_received(struct urb *urb)
362 struct usb_line6 *line6 = (struct usb_line6 *)urb->context;
363 struct midi_buffer *mb = &line6->line6midi->midibuf_in;
366 if (urb->status == -ESHUTDOWN)
370 line6_midibuf_write(mb, urb->transfer_buffer, urb->actual_length);
372 if (done < urb->actual_length) {
373 line6_midibuf_ignore(mb, done);
374 dev_dbg(line6->ifcdev, "%d %d buffer overflow - message skipped\n",
375 done, urb->actual_length);
380 line6_midibuf_read(mb, line6->buffer_message,
381 LINE6_MESSAGE_MAXLEN);
386 line6->message_length = done;
387 line6_midi_receive(line6, line6->buffer_message, done);
389 switch (line6->usbdev->descriptor.idProduct) {
390 case LINE6_DEVID_BASSPODXT:
391 case LINE6_DEVID_BASSPODXTLIVE:
392 case LINE6_DEVID_BASSPODXTPRO:
393 case LINE6_DEVID_PODXT:
394 case LINE6_DEVID_PODXTPRO:
395 case LINE6_DEVID_POCKETPOD:
396 line6_pod_process_message((struct usb_line6_pod *)
400 case LINE6_DEVID_PODHD300:
401 case LINE6_DEVID_PODHD500:
402 break; /* let userspace handle MIDI */
404 case LINE6_DEVID_PODXTLIVE:
405 switch (line6->interface_number) {
406 case PODXTLIVE_INTERFACE_POD:
407 line6_pod_process_message((struct usb_line6_pod
411 case PODXTLIVE_INTERFACE_VARIAX:
412 line6_variax_process_message((struct
418 dev_err(line6->ifcdev,
419 "PODxt Live interface %d not supported\n",
420 line6->interface_number);
424 case LINE6_DEVID_VARIAX:
425 line6_variax_process_message((struct usb_line6_variax *)
434 line6_start_listen(line6);
438 Send channel number (i.e., switch to a different sound).
440 int line6_send_program(struct usb_line6 *line6, u8 value)
443 unsigned char *buffer;
446 buffer = kmalloc(2, GFP_KERNEL);
449 dev_err(line6->ifcdev, "out of memory\n");
453 buffer[0] = LINE6_PROGRAM_CHANGE | LINE6_CHANNEL_HOST;
456 retval = usb_interrupt_msg(line6->usbdev,
457 usb_sndintpipe(line6->usbdev,
458 line6->ep_control_write),
459 buffer, 2, &partial, LINE6_TIMEOUT * HZ);
462 dev_err(line6->ifcdev, "usb_interrupt_msg failed (%d)\n",
470 Transmit Line6 control parameter.
472 int line6_transmit_parameter(struct usb_line6 *line6, int param, u8 value)
475 unsigned char *buffer;
478 buffer = kmalloc(3, GFP_KERNEL);
481 dev_err(line6->ifcdev, "out of memory\n");
485 buffer[0] = LINE6_PARAM_CHANGE | LINE6_CHANNEL_HOST;
489 retval = usb_interrupt_msg(line6->usbdev,
490 usb_sndintpipe(line6->usbdev,
491 line6->ep_control_write),
492 buffer, 3, &partial, LINE6_TIMEOUT * HZ);
495 dev_err(line6->ifcdev, "usb_interrupt_msg failed (%d)\n",
503 Read data from device.
505 int line6_read_data(struct usb_line6 *line6, int address, void *data,
508 struct usb_device *usbdev = line6->usbdev;
512 /* query the serial number: */
513 ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67,
514 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
515 (datalen << 8) | 0x21, address,
516 NULL, 0, LINE6_TIMEOUT * HZ);
519 dev_err(line6->ifcdev, "read request failed (error %d)\n", ret);
523 /* Wait for data length. We'll get 0xff until length arrives. */
525 ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67,
526 USB_TYPE_VENDOR | USB_RECIP_DEVICE |
528 0x0012, 0x0000, &len, 1,
531 dev_err(line6->ifcdev,
532 "receive length failed (error %d)\n", ret);
535 } while (len == 0xff);
537 if (len != datalen) {
538 /* should be equal or something went wrong */
539 dev_err(line6->ifcdev,
540 "length mismatch (expected %d, got %d)\n",
541 (int)datalen, (int)len);
545 /* receive the result: */
546 ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67,
547 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
548 0x0013, 0x0000, data, datalen,
552 dev_err(line6->ifcdev, "read failed (error %d)\n", ret);
560 Write data to device.
562 int line6_write_data(struct usb_line6 *line6, int address, void *data,
565 struct usb_device *usbdev = line6->usbdev;
567 unsigned char status;
569 ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67,
570 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
571 0x0022, address, data, datalen,
575 dev_err(line6->ifcdev,
576 "write request failed (error %d)\n", ret);
581 ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0),
583 USB_TYPE_VENDOR | USB_RECIP_DEVICE |
586 &status, 1, LINE6_TIMEOUT * HZ);
589 dev_err(line6->ifcdev,
590 "receiving status failed (error %d)\n", ret);
593 } while (status == 0xff);
596 dev_err(line6->ifcdev, "write failed (error %d)\n", ret);
604 Read Line6 device serial number.
605 (POD, TonePort, GuitarPort)
607 int line6_read_serial_number(struct usb_line6 *line6, int *serial_number)
609 return line6_read_data(line6, 0x80d0, serial_number,
610 sizeof(*serial_number));
614 No operation (i.e., unsupported).
616 ssize_t line6_nop_read(struct device *dev, struct device_attribute *attr,
623 No operation (i.e., unsupported).
625 ssize_t line6_nop_write(struct device *dev, struct device_attribute *attr,
626 const char *buf, size_t count)
634 static void line6_destruct(struct usb_interface *interface)
636 struct usb_line6 *line6;
638 if (interface == NULL)
640 line6 = usb_get_intfdata(interface);
644 /* free buffer memory first: */
645 kfree(line6->buffer_message);
646 kfree(line6->buffer_listen);
648 /* then free URBs: */
649 usb_free_urb(line6->urb_listen);
651 /* make sure the device isn't destructed twice: */
652 usb_set_intfdata(interface, NULL);
654 /* free interface data: */
661 static int line6_probe(struct usb_interface *interface,
662 const struct usb_device_id *id)
665 struct usb_device *usbdev;
666 struct usb_line6 *line6;
667 const struct line6_properties *properties;
668 int interface_number, alternate = 0;
671 int ep_read = 0, ep_write = 0;
674 if (interface == NULL)
676 usbdev = interface_to_usbdev(interface);
680 /* we don't handle multiple configurations */
681 if (usbdev->descriptor.bNumConfigurations != 1) {
686 /* check vendor and product id */
687 for (devtype = ARRAY_SIZE(line6_id_table) - 1; devtype--;) {
688 u16 idVendor = le16_to_cpu(usbdev->descriptor.idVendor);
689 u16 idProduct = le16_to_cpu(usbdev->descriptor.idProduct);
691 if (idVendor == line6_id_table[devtype].idVendor &&
692 idProduct == line6_id_table[devtype].idProduct)
701 /* initialize device info: */
702 properties = &line6_properties_table[devtype];
703 dev_info(&interface->dev, "Line6 %s found\n", properties->name);
704 product = le16_to_cpu(usbdev->descriptor.idProduct);
706 /* query interface number */
707 interface_number = interface->cur_altsetting->desc.bInterfaceNumber;
710 case LINE6_DEVID_BASSPODXTLIVE:
711 case LINE6_DEVID_PODXTLIVE:
712 case LINE6_DEVID_VARIAX:
716 case LINE6_DEVID_POCKETPOD:
717 switch (interface_number) {
719 return 0; /* this interface has no endpoints */
728 case LINE6_DEVID_PODHD500:
729 case LINE6_DEVID_PODX3:
730 case LINE6_DEVID_PODX3LIVE:
731 switch (interface_number) {
743 case LINE6_DEVID_BASSPODXT:
744 case LINE6_DEVID_BASSPODXTPRO:
745 case LINE6_DEVID_PODXT:
746 case LINE6_DEVID_PODXTPRO:
747 case LINE6_DEVID_PODHD300:
751 case LINE6_DEVID_GUITARPORT:
752 case LINE6_DEVID_PODSTUDIO_GX:
753 case LINE6_DEVID_PODSTUDIO_UX1:
754 case LINE6_DEVID_TONEPORT_GX:
755 case LINE6_DEVID_TONEPORT_UX1:
756 alternate = 2; /* 1..4 seem to be ok */
759 case LINE6_DEVID_TONEPORT_UX2:
760 case LINE6_DEVID_PODSTUDIO_UX2:
761 switch (interface_number) {
763 /* defaults to 44.1kHz, 16-bit */
767 /* don't know yet what this is ...
783 ret = usb_set_interface(usbdev, interface_number, alternate);
785 dev_err(&interface->dev, "set_interface failed\n");
789 /* initialize device data based on product id: */
791 case LINE6_DEVID_BASSPODXT:
792 case LINE6_DEVID_BASSPODXTLIVE:
793 case LINE6_DEVID_BASSPODXTPRO:
794 case LINE6_DEVID_PODXT:
795 case LINE6_DEVID_PODXTPRO:
796 size = sizeof(struct usb_line6_pod);
801 case LINE6_DEVID_PODHD300:
802 size = sizeof(struct usb_line6_podhd);
807 case LINE6_DEVID_PODHD500:
808 size = sizeof(struct usb_line6_podhd);
813 case LINE6_DEVID_POCKETPOD:
814 size = sizeof(struct usb_line6_pod);
819 case LINE6_DEVID_PODX3:
820 case LINE6_DEVID_PODX3LIVE:
821 /* currently unused! */
822 size = sizeof(struct usb_line6_pod);
827 case LINE6_DEVID_PODSTUDIO_GX:
828 case LINE6_DEVID_PODSTUDIO_UX1:
829 case LINE6_DEVID_PODSTUDIO_UX2:
830 case LINE6_DEVID_TONEPORT_GX:
831 case LINE6_DEVID_TONEPORT_UX1:
832 case LINE6_DEVID_TONEPORT_UX2:
833 case LINE6_DEVID_GUITARPORT:
834 size = sizeof(struct usb_line6_toneport);
835 /* these don't have a control channel */
838 case LINE6_DEVID_PODXTLIVE:
839 switch (interface_number) {
840 case PODXTLIVE_INTERFACE_POD:
841 size = sizeof(struct usb_line6_pod);
846 case PODXTLIVE_INTERFACE_VARIAX:
847 size = sizeof(struct usb_line6_variax);
858 case LINE6_DEVID_VARIAX:
859 size = sizeof(struct usb_line6_variax);
871 dev_err(&interface->dev,
872 "driver bug: interface data size not set\n");
877 line6 = kzalloc(size, GFP_KERNEL);
880 dev_err(&interface->dev, "Out of memory\n");
885 /* store basic data: */
886 line6->interface_number = interface_number;
887 line6->properties = properties;
888 line6->usbdev = usbdev;
889 line6->ifcdev = &interface->dev;
890 line6->ep_control_read = ep_read;
891 line6->ep_control_write = ep_write;
892 line6->product = product;
894 /* get data from endpoint descriptor (see usb_maxpacket): */
896 struct usb_host_endpoint *ep;
898 usb_pipeendpoint(usb_rcvintpipe(usbdev, ep_read));
899 ep = usbdev->ep_in[epnum];
902 line6->interval = ep->desc.bInterval;
903 line6->max_packet_size =
904 le16_to_cpu(ep->desc.wMaxPacketSize);
906 line6->interval = LINE6_FALLBACK_INTERVAL;
907 line6->max_packet_size = LINE6_FALLBACK_MAXPACKETSIZE;
908 dev_err(line6->ifcdev,
909 "endpoint not available, using fallback values");
913 usb_set_intfdata(interface, line6);
915 if (properties->capabilities & LINE6_BIT_CONTROL) {
916 /* initialize USB buffers: */
917 line6->buffer_listen =
918 kmalloc(LINE6_BUFSIZE_LISTEN, GFP_KERNEL);
920 if (line6->buffer_listen == NULL) {
921 dev_err(&interface->dev, "Out of memory\n");
926 line6->buffer_message =
927 kmalloc(LINE6_MESSAGE_MAXLEN, GFP_KERNEL);
929 if (line6->buffer_message == NULL) {
930 dev_err(&interface->dev, "Out of memory\n");
935 line6->urb_listen = usb_alloc_urb(0, GFP_KERNEL);
937 if (line6->urb_listen == NULL) {
938 dev_err(&interface->dev, "Out of memory\n");
939 line6_destruct(interface);
944 ret = line6_start_listen(line6);
946 dev_err(&interface->dev, "%s: usb_submit_urb failed\n",
952 /* initialize device data based on product id: */
954 case LINE6_DEVID_BASSPODXT:
955 case LINE6_DEVID_BASSPODXTLIVE:
956 case LINE6_DEVID_BASSPODXTPRO:
957 case LINE6_DEVID_POCKETPOD:
958 case LINE6_DEVID_PODX3:
959 case LINE6_DEVID_PODX3LIVE:
960 case LINE6_DEVID_PODXT:
961 case LINE6_DEVID_PODXTPRO:
962 ret = line6_pod_init(interface, (struct usb_line6_pod *)line6);
965 case LINE6_DEVID_PODHD300:
966 case LINE6_DEVID_PODHD500:
967 ret = line6_podhd_init(interface,
968 (struct usb_line6_podhd *)line6);
971 case LINE6_DEVID_PODXTLIVE:
972 switch (interface_number) {
973 case PODXTLIVE_INTERFACE_POD:
975 line6_pod_init(interface,
976 (struct usb_line6_pod *)line6);
979 case PODXTLIVE_INTERFACE_VARIAX:
981 line6_variax_init(interface,
982 (struct usb_line6_variax *)line6);
986 dev_err(&interface->dev,
987 "PODxt Live interface %d not supported\n",
994 case LINE6_DEVID_VARIAX:
996 line6_variax_init(interface,
997 (struct usb_line6_variax *)line6);
1000 case LINE6_DEVID_PODSTUDIO_GX:
1001 case LINE6_DEVID_PODSTUDIO_UX1:
1002 case LINE6_DEVID_PODSTUDIO_UX2:
1003 case LINE6_DEVID_TONEPORT_GX:
1004 case LINE6_DEVID_TONEPORT_UX1:
1005 case LINE6_DEVID_TONEPORT_UX2:
1006 case LINE6_DEVID_GUITARPORT:
1008 line6_toneport_init(interface,
1009 (struct usb_line6_toneport *)line6);
1020 ret = sysfs_create_link(&interface->dev.kobj, &usbdev->dev.kobj,
1025 /* creation of additional special files should go here */
1027 dev_info(&interface->dev, "Line6 %s now attached\n",
1028 line6->properties->name);
1031 case LINE6_DEVID_PODX3:
1032 case LINE6_DEVID_PODX3LIVE:
1033 dev_info(&interface->dev,
1034 "NOTE: the Line6 %s is detected, but not yet supported\n",
1035 line6->properties->name);
1038 /* increment reference counters: */
1039 usb_get_intf(interface);
1040 usb_get_dev(usbdev);
1045 line6_destruct(interface);
1051 Line6 device disconnected.
1053 static void line6_disconnect(struct usb_interface *interface)
1055 struct usb_line6 *line6;
1056 struct usb_device *usbdev;
1057 int interface_number;
1059 if (interface == NULL)
1061 usbdev = interface_to_usbdev(interface);
1065 /* removal of additional special files should go here */
1067 sysfs_remove_link(&interface->dev.kobj, "usb_device");
1069 interface_number = interface->cur_altsetting->desc.bInterfaceNumber;
1070 line6 = usb_get_intfdata(interface);
1072 if (line6 != NULL) {
1073 if (line6->urb_listen != NULL)
1074 line6_stop_listen(line6);
1076 if (usbdev != line6->usbdev)
1077 dev_err(line6->ifcdev,
1078 "driver bug: inconsistent usb device\n");
1080 switch (line6->usbdev->descriptor.idProduct) {
1081 case LINE6_DEVID_BASSPODXT:
1082 case LINE6_DEVID_BASSPODXTLIVE:
1083 case LINE6_DEVID_BASSPODXTPRO:
1084 case LINE6_DEVID_POCKETPOD:
1085 case LINE6_DEVID_PODX3:
1086 case LINE6_DEVID_PODX3LIVE:
1087 case LINE6_DEVID_PODXT:
1088 case LINE6_DEVID_PODXTPRO:
1089 line6_pod_disconnect(interface);
1092 case LINE6_DEVID_PODHD300:
1093 case LINE6_DEVID_PODHD500:
1094 line6_podhd_disconnect(interface);
1097 case LINE6_DEVID_PODXTLIVE:
1098 switch (interface_number) {
1099 case PODXTLIVE_INTERFACE_POD:
1100 line6_pod_disconnect(interface);
1103 case PODXTLIVE_INTERFACE_VARIAX:
1104 line6_variax_disconnect(interface);
1110 case LINE6_DEVID_VARIAX:
1111 line6_variax_disconnect(interface);
1114 case LINE6_DEVID_PODSTUDIO_GX:
1115 case LINE6_DEVID_PODSTUDIO_UX1:
1116 case LINE6_DEVID_PODSTUDIO_UX2:
1117 case LINE6_DEVID_TONEPORT_GX:
1118 case LINE6_DEVID_TONEPORT_UX1:
1119 case LINE6_DEVID_TONEPORT_UX2:
1120 case LINE6_DEVID_GUITARPORT:
1121 line6_toneport_disconnect(interface);
1128 dev_info(&interface->dev, "Line6 %s now disconnected\n",
1129 line6->properties->name);
1132 line6_destruct(interface);
1134 /* decrement reference counters: */
1135 usb_put_intf(interface);
1136 usb_put_dev(usbdev);
1142 Suspend Line6 device.
1144 static int line6_suspend(struct usb_interface *interface, pm_message_t message)
1146 struct usb_line6 *line6 = usb_get_intfdata(interface);
1147 struct snd_line6_pcm *line6pcm = line6->line6pcm;
1149 snd_power_change_state(line6->card, SNDRV_CTL_POWER_D3hot);
1151 if (line6->properties->capabilities & LINE6_BIT_CONTROL)
1152 line6_stop_listen(line6);
1154 if (line6pcm != NULL) {
1155 snd_pcm_suspend_all(line6pcm->pcm);
1156 line6_pcm_disconnect(line6pcm);
1157 line6pcm->flags = 0;
1164 Resume Line6 device.
1166 static int line6_resume(struct usb_interface *interface)
1168 struct usb_line6 *line6 = usb_get_intfdata(interface);
1170 if (line6->properties->capabilities & LINE6_BIT_CONTROL)
1171 line6_start_listen(line6);
1173 snd_power_change_state(line6->card, SNDRV_CTL_POWER_D0);
1178 Resume Line6 device after reset.
1180 static int line6_reset_resume(struct usb_interface *interface)
1182 struct usb_line6 *line6 = usb_get_intfdata(interface);
1184 switch (line6->usbdev->descriptor.idProduct) {
1185 case LINE6_DEVID_PODSTUDIO_GX:
1186 case LINE6_DEVID_PODSTUDIO_UX1:
1187 case LINE6_DEVID_PODSTUDIO_UX2:
1188 case LINE6_DEVID_TONEPORT_GX:
1189 case LINE6_DEVID_TONEPORT_UX1:
1190 case LINE6_DEVID_TONEPORT_UX2:
1191 case LINE6_DEVID_GUITARPORT:
1192 line6_toneport_reset_resume((struct usb_line6_toneport *)line6);
1195 return line6_resume(interface);
1198 #endif /* CONFIG_PM */
1200 static struct usb_driver line6_driver = {
1201 .name = DRIVER_NAME,
1202 .probe = line6_probe,
1203 .disconnect = line6_disconnect,
1205 .suspend = line6_suspend,
1206 .resume = line6_resume,
1207 .reset_resume = line6_reset_resume,
1209 .id_table = line6_id_table,
1212 module_usb_driver(line6_driver);
1214 MODULE_AUTHOR(DRIVER_AUTHOR);
1215 MODULE_DESCRIPTION(DRIVER_DESC);
1216 MODULE_LICENSE("GPL");
1217 MODULE_VERSION(DRIVER_VERSION);