| /* |
| * Line6 Linux USB driver - 0.9.1beta |
| * |
| * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at) |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation, version 2. |
| * |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/slab.h> |
| #include <linux/usb.h> |
| |
| #include "audio.h" |
| #include "capture.h" |
| #include "driver.h" |
| #include "midi.h" |
| #include "playback.h" |
| #include "pod.h" |
| #include "podhd.h" |
| #include "revision.h" |
| #include "toneport.h" |
| #include "usbdefs.h" |
| #include "variax.h" |
| |
| #define DRIVER_AUTHOR "Markus Grabner <grabner@icg.tugraz.at>" |
| #define DRIVER_DESC "Line6 USB Driver" |
| #define DRIVER_VERSION "0.9.1beta" DRIVER_REVISION |
| |
| /* table of devices that work with this driver */ |
| static const struct usb_device_id line6_id_table[] = { |
| {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_BASSPODXT)}, |
| {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_BASSPODXTLIVE)}, |
| {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_BASSPODXTPRO)}, |
| {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_GUITARPORT)}, |
| {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_POCKETPOD)}, |
| {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODHD300)}, |
| {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODHD400)}, |
| {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODHD500)}, |
| {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODSTUDIO_GX)}, |
| {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODSTUDIO_UX1)}, |
| {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODSTUDIO_UX2)}, |
| {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODX3)}, |
| {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODX3LIVE)}, |
| {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODXT)}, |
| {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODXTLIVE)}, |
| {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODXTPRO)}, |
| {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_TONEPORT_GX)}, |
| {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_TONEPORT_UX1)}, |
| {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_TONEPORT_UX2)}, |
| {USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_VARIAX)}, |
| {}, |
| }; |
| |
| MODULE_DEVICE_TABLE(usb, line6_id_table); |
| |
| #define L6PROP(dev_bit, dev_id, dev_name, dev_cap)\ |
| {.device_bit = LINE6_BIT_##dev_bit, .id = dev_id,\ |
| .name = dev_name, .capabilities = LINE6_BIT_##dev_cap} |
| |
| /* *INDENT-OFF* */ |
| static const struct line6_properties line6_properties_table[] = { |
| L6PROP(BASSPODXT, "BassPODxt", "BassPODxt", CTRL_PCM_HW), |
| L6PROP(BASSPODXTLIVE, "BassPODxtLive", "BassPODxt Live", CTRL_PCM_HW), |
| L6PROP(BASSPODXTPRO, "BassPODxtPro", "BassPODxt Pro", CTRL_PCM_HW), |
| L6PROP(GUITARPORT, "GuitarPort", "GuitarPort", PCM), |
| L6PROP(POCKETPOD, "PocketPOD", "Pocket POD", CONTROL), |
| L6PROP(PODHD300, "PODHD300", "POD HD300", CTRL_PCM_HW), |
| L6PROP(PODHD400, "PODHD400", "POD HD400", CTRL_PCM_HW), |
| L6PROP(PODHD500, "PODHD500", "POD HD500", CTRL_PCM_HW), |
| L6PROP(PODSTUDIO_GX, "PODStudioGX", "POD Studio GX", PCM), |
| L6PROP(PODSTUDIO_UX1, "PODStudioUX1", "POD Studio UX1", PCM), |
| L6PROP(PODSTUDIO_UX2, "PODStudioUX2", "POD Studio UX2", PCM), |
| L6PROP(PODX3, "PODX3", "POD X3", PCM), |
| L6PROP(PODX3LIVE, "PODX3Live", "POD X3 Live", PCM), |
| L6PROP(PODXT, "PODxt", "PODxt", CTRL_PCM_HW), |
| L6PROP(PODXTLIVE, "PODxtLive", "PODxt Live", CTRL_PCM_HW), |
| L6PROP(PODXTPRO, "PODxtPro", "PODxt Pro", CTRL_PCM_HW), |
| L6PROP(TONEPORT_GX, "TonePortGX", "TonePort GX", PCM), |
| L6PROP(TONEPORT_UX1, "TonePortUX1", "TonePort UX1", PCM), |
| L6PROP(TONEPORT_UX2, "TonePortUX2", "TonePort UX2", PCM), |
| L6PROP(VARIAX, "Variax", "Variax Workbench", CONTROL), |
| }; |
| /* *INDENT-ON* */ |
| |
| /* |
| This is Line6's MIDI manufacturer ID. |
| */ |
| const unsigned char line6_midi_id[] = { |
| 0x00, 0x01, 0x0c |
| }; |
| |
| /* |
| Code to request version of POD, Variax interface |
| (and maybe other devices). |
| */ |
| static const char line6_request_version[] = { |
| 0xf0, 0x7e, 0x7f, 0x06, 0x01, 0xf7 |
| }; |
| |
| /** |
| Class for asynchronous messages. |
| */ |
| struct message { |
| struct usb_line6 *line6; |
| const char *buffer; |
| int size; |
| int done; |
| }; |
| |
| /* |
| Forward declarations. |
| */ |
| static void line6_data_received(struct urb *urb); |
| static int line6_send_raw_message_async_part(struct message *msg, |
| struct urb *urb); |
| |
| /* |
| Start to listen on endpoint. |
| */ |
| static int line6_start_listen(struct usb_line6 *line6) |
| { |
| int err; |
| |
| usb_fill_int_urb(line6->urb_listen, line6->usbdev, |
| usb_rcvintpipe(line6->usbdev, line6->ep_control_read), |
| line6->buffer_listen, LINE6_BUFSIZE_LISTEN, |
| line6_data_received, line6, line6->interval); |
| line6->urb_listen->actual_length = 0; |
| err = usb_submit_urb(line6->urb_listen, GFP_ATOMIC); |
| return err; |
| } |
| |
| /* |
| Stop listening on endpoint. |
| */ |
| static void line6_stop_listen(struct usb_line6 *line6) |
| { |
| usb_kill_urb(line6->urb_listen); |
| } |
| |
| /* |
| Send raw message in pieces of wMaxPacketSize bytes. |
| */ |
| int line6_send_raw_message(struct usb_line6 *line6, const char *buffer, |
| int size) |
| { |
| int i, done = 0; |
| |
| for (i = 0; i < size; i += line6->max_packet_size) { |
| int partial; |
| const char *frag_buf = buffer + i; |
| int frag_size = min(line6->max_packet_size, size - i); |
| int retval; |
| |
| retval = usb_interrupt_msg(line6->usbdev, |
| usb_sndintpipe(line6->usbdev, |
| line6->ep_control_write), |
| (char *)frag_buf, frag_size, |
| &partial, LINE6_TIMEOUT * HZ); |
| |
| if (retval) { |
| dev_err(line6->ifcdev, |
| "usb_interrupt_msg failed (%d)\n", retval); |
| break; |
| } |
| |
| done += frag_size; |
| } |
| |
| return done; |
| } |
| |
| /* |
| Notification of completion of asynchronous request transmission. |
| */ |
| static void line6_async_request_sent(struct urb *urb) |
| { |
| struct message *msg = (struct message *)urb->context; |
| |
| if (msg->done >= msg->size) { |
| usb_free_urb(urb); |
| kfree(msg); |
| } else |
| line6_send_raw_message_async_part(msg, urb); |
| } |
| |
| /* |
| Asynchronously send part of a raw message. |
| */ |
| static int line6_send_raw_message_async_part(struct message *msg, |
| struct urb *urb) |
| { |
| int retval; |
| struct usb_line6 *line6 = msg->line6; |
| int done = msg->done; |
| int bytes = min(msg->size - done, line6->max_packet_size); |
| |
| usb_fill_int_urb(urb, line6->usbdev, |
| usb_sndintpipe(line6->usbdev, line6->ep_control_write), |
| (char *)msg->buffer + done, bytes, |
| line6_async_request_sent, msg, line6->interval); |
| |
| msg->done += bytes; |
| retval = usb_submit_urb(urb, GFP_ATOMIC); |
| |
| if (retval < 0) { |
| dev_err(line6->ifcdev, "%s: usb_submit_urb failed (%d)\n", |
| __func__, retval); |
| usb_free_urb(urb); |
| kfree(msg); |
| return retval; |
| } |
| |
| return 0; |
| } |
| |
| /* |
| Setup and start timer. |
| */ |
| void line6_start_timer(struct timer_list *timer, unsigned int msecs, |
| void (*function)(unsigned long), unsigned long data) |
| { |
| setup_timer(timer, function, data); |
| timer->expires = jiffies + msecs * HZ / 1000; |
| add_timer(timer); |
| } |
| |
| /* |
| Asynchronously send raw message. |
| */ |
| int line6_send_raw_message_async(struct usb_line6 *line6, const char *buffer, |
| int size) |
| { |
| struct message *msg; |
| struct urb *urb; |
| |
| /* create message: */ |
| msg = kmalloc(sizeof(struct message), GFP_ATOMIC); |
| if (msg == NULL) |
| return -ENOMEM; |
| |
| /* create URB: */ |
| urb = usb_alloc_urb(0, GFP_ATOMIC); |
| |
| if (urb == NULL) { |
| kfree(msg); |
| dev_err(line6->ifcdev, "Out of memory\n"); |
| return -ENOMEM; |
| } |
| |
| /* set message data: */ |
| msg->line6 = line6; |
| msg->buffer = buffer; |
| msg->size = size; |
| msg->done = 0; |
| |
| /* start sending: */ |
| return line6_send_raw_message_async_part(msg, urb); |
| } |
| |
| /* |
| Send asynchronous device version request. |
| */ |
| int line6_version_request_async(struct usb_line6 *line6) |
| { |
| char *buffer; |
| int retval; |
| |
| buffer = kmemdup(line6_request_version, |
| sizeof(line6_request_version), GFP_ATOMIC); |
| if (buffer == NULL) { |
| dev_err(line6->ifcdev, "Out of memory"); |
| return -ENOMEM; |
| } |
| |
| retval = line6_send_raw_message_async(line6, buffer, |
| sizeof(line6_request_version)); |
| kfree(buffer); |
| return retval; |
| } |
| |
| /* |
| Send sysex message in pieces of wMaxPacketSize bytes. |
| */ |
| int line6_send_sysex_message(struct usb_line6 *line6, const char *buffer, |
| int size) |
| { |
| return line6_send_raw_message(line6, buffer, |
| size + SYSEX_EXTRA_SIZE) - |
| SYSEX_EXTRA_SIZE; |
| } |
| |
| /* |
| Allocate buffer for sysex message and prepare header. |
| @param code sysex message code |
| @param size number of bytes between code and sysex end |
| */ |
| char *line6_alloc_sysex_buffer(struct usb_line6 *line6, int code1, int code2, |
| int size) |
| { |
| char *buffer = kmalloc(size + SYSEX_EXTRA_SIZE, GFP_ATOMIC); |
| |
| if (!buffer) |
| return NULL; |
| |
| buffer[0] = LINE6_SYSEX_BEGIN; |
| memcpy(buffer + 1, line6_midi_id, sizeof(line6_midi_id)); |
| buffer[sizeof(line6_midi_id) + 1] = code1; |
| buffer[sizeof(line6_midi_id) + 2] = code2; |
| buffer[sizeof(line6_midi_id) + 3 + size] = LINE6_SYSEX_END; |
| return buffer; |
| } |
| |
| /* |
| 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 midi_buffer *mb = &line6->line6midi->midibuf_in; |
| int done; |
| |
| if (urb->status == -ESHUTDOWN) |
| return; |
| |
| done = |
| line6_midibuf_write(mb, urb->transfer_buffer, urb->actual_length); |
| |
| if (done < urb->actual_length) { |
| line6_midibuf_ignore(mb, done); |
| dev_dbg(line6->ifcdev, "%d %d buffer overflow - message skipped\n", |
| done, urb->actual_length); |
| } |
| |
| for (;;) { |
| done = |
| line6_midibuf_read(mb, line6->buffer_message, |
| LINE6_MESSAGE_MAXLEN); |
| |
| if (done == 0) |
| break; |
| |
| line6->message_length = done; |
| line6_midi_receive(line6, line6->buffer_message, done); |
| |
| switch (le16_to_cpu(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: |
| line6_pod_process_message((struct usb_line6_pod *) |
| line6); |
| break; |
| |
| case LINE6_DEVID_PODHD300: |
| case LINE6_DEVID_PODHD400: |
| case LINE6_DEVID_PODHD500: |
| break; /* let userspace handle MIDI */ |
| |
| case LINE6_DEVID_PODXTLIVE: |
| switch (line6->interface_number) { |
| case PODXTLIVE_INTERFACE_POD: |
| line6_pod_process_message((struct usb_line6_pod |
| *)line6); |
| break; |
| |
| case PODXTLIVE_INTERFACE_VARIAX: |
| line6_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: |
| line6_variax_process_message((struct usb_line6_variax *) |
| line6); |
| break; |
| |
| default: |
| MISSING_CASE; |
| } |
| } |
| |
| line6_start_listen(line6); |
| } |
| |
| /* |
| Send channel number (i.e., switch to a different sound). |
| */ |
| int line6_send_program(struct usb_line6 *line6, u8 value) |
| { |
| int retval; |
| unsigned char *buffer; |
| int partial; |
| |
| buffer = kmalloc(2, GFP_KERNEL); |
| if (!buffer) |
| return -ENOMEM; |
| |
| buffer[0] = LINE6_PROGRAM_CHANGE | LINE6_CHANNEL_HOST; |
| buffer[1] = value; |
| |
| retval = usb_interrupt_msg(line6->usbdev, |
| usb_sndintpipe(line6->usbdev, |
| line6->ep_control_write), |
| buffer, 2, &partial, LINE6_TIMEOUT * HZ); |
| |
| if (retval) |
| dev_err(line6->ifcdev, "usb_interrupt_msg failed (%d)\n", |
| retval); |
| |
| kfree(buffer); |
| return retval; |
| } |
| |
| /* |
| Transmit Line6 control parameter. |
| */ |
| int line6_transmit_parameter(struct usb_line6 *line6, int param, u8 value) |
| { |
| int retval; |
| unsigned char *buffer; |
| int partial; |
| |
| buffer = kmalloc(3, GFP_KERNEL); |
| if (!buffer) |
| return -ENOMEM; |
| |
| buffer[0] = LINE6_PARAM_CHANGE | LINE6_CHANNEL_HOST; |
| buffer[1] = param; |
| buffer[2] = value; |
| |
| retval = usb_interrupt_msg(line6->usbdev, |
| usb_sndintpipe(line6->usbdev, |
| line6->ep_control_write), |
| buffer, 3, &partial, LINE6_TIMEOUT * HZ); |
| |
| if (retval) |
| dev_err(line6->ifcdev, "usb_interrupt_msg failed (%d)\n", |
| retval); |
| |
| kfree(buffer); |
| return retval; |
| } |
| |
| /* |
| Read data from device. |
| */ |
| int line6_read_data(struct usb_line6 *line6, int address, void *data, |
| size_t datalen) |
| { |
| struct usb_device *usbdev = line6->usbdev; |
| int ret; |
| unsigned char len; |
| |
| /* query the serial number: */ |
| ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67, |
| USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, |
| (datalen << 8) | 0x21, address, |
| NULL, 0, LINE6_TIMEOUT * HZ); |
| |
| if (ret < 0) { |
| dev_err(line6->ifcdev, "read request failed (error %d)\n", ret); |
| return ret; |
| } |
| |
| /* Wait for data length. We'll get 0xff until length arrives. */ |
| do { |
| ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67, |
| USB_TYPE_VENDOR | USB_RECIP_DEVICE | |
| USB_DIR_IN, |
| 0x0012, 0x0000, &len, 1, |
| LINE6_TIMEOUT * HZ); |
| if (ret < 0) { |
| dev_err(line6->ifcdev, |
| "receive length failed (error %d)\n", ret); |
| return ret; |
| } |
| } while (len == 0xff); |
| |
| if (len != datalen) { |
| /* should be equal or something went wrong */ |
| dev_err(line6->ifcdev, |
| "length mismatch (expected %d, got %d)\n", |
| (int)datalen, (int)len); |
| return -EINVAL; |
| } |
| |
| /* receive the result: */ |
| ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67, |
| USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, |
| 0x0013, 0x0000, data, datalen, |
| LINE6_TIMEOUT * HZ); |
| |
| if (ret < 0) { |
| dev_err(line6->ifcdev, "read failed (error %d)\n", ret); |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| /* |
| Write data to device. |
| */ |
| int line6_write_data(struct usb_line6 *line6, int address, void *data, |
| size_t datalen) |
| { |
| struct usb_device *usbdev = line6->usbdev; |
| int ret; |
| unsigned char status; |
| |
| ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67, |
| USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, |
| 0x0022, address, data, datalen, |
| LINE6_TIMEOUT * HZ); |
| |
| if (ret < 0) { |
| dev_err(line6->ifcdev, |
| "write request failed (error %d)\n", ret); |
| return ret; |
| } |
| |
| do { |
| ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), |
| 0x67, |
| USB_TYPE_VENDOR | USB_RECIP_DEVICE | |
| USB_DIR_IN, |
| 0x0012, 0x0000, |
| &status, 1, LINE6_TIMEOUT * HZ); |
| |
| if (ret < 0) { |
| dev_err(line6->ifcdev, |
| "receiving status failed (error %d)\n", ret); |
| return ret; |
| } |
| } while (status == 0xff); |
| |
| if (status != 0) { |
| dev_err(line6->ifcdev, "write failed (error %d)\n", ret); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| /* |
| Read Line6 device serial number. |
| (POD, TonePort, GuitarPort) |
| */ |
| int line6_read_serial_number(struct usb_line6 *line6, int *serial_number) |
| { |
| return line6_read_data(line6, 0x80d0, serial_number, |
| sizeof(*serial_number)); |
| } |
| |
| /* |
| No operation (i.e., unsupported). |
| */ |
| ssize_t line6_nop_read(struct device *dev, struct device_attribute *attr, |
| char *buf) |
| { |
| return 0; |
| } |
| |
| /* |
| Generic destructor. |
| */ |
| static void line6_destruct(struct usb_interface *interface) |
| { |
| struct usb_line6 *line6; |
| |
| if (interface == NULL) |
| return; |
| line6 = usb_get_intfdata(interface); |
| if (line6 == NULL) |
| return; |
| |
| /* free buffer memory first: */ |
| kfree(line6->buffer_message); |
| kfree(line6->buffer_listen); |
| |
| /* then free URBs: */ |
| usb_free_urb(line6->urb_listen); |
| |
| /* make sure the device isn't destructed twice: */ |
| usb_set_intfdata(interface, NULL); |
| |
| /* free interface data: */ |
| kfree(line6); |
| } |
| |
| /* |
| Probe USB device. |
| */ |
| static int line6_probe(struct usb_interface *interface, |
| const struct usb_device_id *id) |
| { |
| int devtype; |
| struct usb_device *usbdev; |
| struct usb_line6 *line6; |
| const struct line6_properties *properties; |
| int interface_number, alternate = 0; |
| int product; |
| int size = 0; |
| int ep_read = 0, ep_write = 0; |
| int ret; |
| |
| if (interface == NULL) |
| return -ENODEV; |
| usbdev = interface_to_usbdev(interface); |
| if (usbdev == NULL) |
| return -ENODEV; |
| |
| /* we don't handle multiple configurations */ |
| if (usbdev->descriptor.bNumConfigurations != 1) { |
| ret = -ENODEV; |
| goto err_put; |
| } |
| |
| /* check vendor and product id */ |
| for (devtype = ARRAY_SIZE(line6_id_table) - 1; devtype--;) { |
| u16 idVendor = le16_to_cpu(usbdev->descriptor.idVendor); |
| u16 idProduct = le16_to_cpu(usbdev->descriptor.idProduct); |
| |
| if (idVendor == line6_id_table[devtype].idVendor && |
| idProduct == line6_id_table[devtype].idProduct) |
| break; |
| } |
| |
| if (devtype < 0) { |
| ret = -ENODEV; |
| goto err_put; |
| } |
| |
| /* initialize device info: */ |
| properties = &line6_properties_table[devtype]; |
| dev_info(&interface->dev, "Line6 %s found\n", properties->name); |
| product = le16_to_cpu(usbdev->descriptor.idProduct); |
| |
| /* query interface number */ |
| interface_number = interface->cur_altsetting->desc.bInterfaceNumber; |
| |
| switch (product) { |
| case LINE6_DEVID_BASSPODXTLIVE: |
| case LINE6_DEVID_PODXTLIVE: |
| case LINE6_DEVID_VARIAX: |
| alternate = 1; |
| break; |
| |
| case LINE6_DEVID_POCKETPOD: |
| switch (interface_number) { |
| case 0: |
| return 0; /* this interface has no endpoints */ |
| case 1: |
| alternate = 0; |
| break; |
| default: |
| MISSING_CASE; |
| } |
| break; |
| |
| case LINE6_DEVID_PODHD500: |
| case LINE6_DEVID_PODX3: |
| case LINE6_DEVID_PODX3LIVE: |
| switch (interface_number) { |
| case 0: |
| alternate = 1; |
| break; |
| case 1: |
| alternate = 0; |
| break; |
| default: |
| MISSING_CASE; |
| } |
| break; |
| |
| case LINE6_DEVID_BASSPODXT: |
| case LINE6_DEVID_BASSPODXTPRO: |
| case LINE6_DEVID_PODXT: |
| case LINE6_DEVID_PODXTPRO: |
| case LINE6_DEVID_PODHD300: |
| case LINE6_DEVID_PODHD400: |
| alternate = 5; |
| break; |
| |
| case LINE6_DEVID_GUITARPORT: |
| case LINE6_DEVID_PODSTUDIO_GX: |
| case LINE6_DEVID_PODSTUDIO_UX1: |
| case LINE6_DEVID_TONEPORT_GX: |
| case LINE6_DEVID_TONEPORT_UX1: |
| alternate = 2; /* 1..4 seem to be ok */ |
| break; |
| |
| case LINE6_DEVID_TONEPORT_UX2: |
| case LINE6_DEVID_PODSTUDIO_UX2: |
| switch (interface_number) { |
| case 0: |
| /* defaults to 44.1kHz, 16-bit */ |
| alternate = 2; |
| break; |
| case 1: |
| /* don't know yet what this is ... |
| alternate = 1; |
| break; |
| */ |
| return -ENODEV; |
| default: |
| MISSING_CASE; |
| } |
| break; |
| |
| default: |
| MISSING_CASE; |
| ret = -ENODEV; |
| goto err_put; |
| } |
| |
| ret = usb_set_interface(usbdev, interface_number, alternate); |
| if (ret < 0) { |
| dev_err(&interface->dev, "set_interface failed\n"); |
| goto err_put; |
| } |
| |
| /* initialize device data based on product id: */ |
| switch (product) { |
| case LINE6_DEVID_BASSPODXT: |
| case LINE6_DEVID_BASSPODXTLIVE: |
| case LINE6_DEVID_BASSPODXTPRO: |
| case LINE6_DEVID_PODXT: |
| case LINE6_DEVID_PODXTPRO: |
| size = sizeof(struct usb_line6_pod); |
| ep_read = 0x84; |
| ep_write = 0x03; |
| break; |
| |
| case LINE6_DEVID_PODHD300: |
| case LINE6_DEVID_PODHD400: |
| size = sizeof(struct usb_line6_podhd); |
| ep_read = 0x84; |
| ep_write = 0x03; |
| break; |
| |
| case LINE6_DEVID_PODHD500: |
| size = sizeof(struct usb_line6_podhd); |
| ep_read = 0x81; |
| ep_write = 0x01; |
| break; |
| |
| case LINE6_DEVID_POCKETPOD: |
| size = sizeof(struct usb_line6_pod); |
| ep_read = 0x82; |
| ep_write = 0x02; |
| break; |
| |
| case LINE6_DEVID_PODX3: |
| case LINE6_DEVID_PODX3LIVE: |
| /* currently unused! */ |
| size = sizeof(struct usb_line6_pod); |
| ep_read = 0x81; |
| ep_write = 0x01; |
| break; |
| |
| case LINE6_DEVID_PODSTUDIO_GX: |
| case LINE6_DEVID_PODSTUDIO_UX1: |
| case LINE6_DEVID_PODSTUDIO_UX2: |
| case LINE6_DEVID_TONEPORT_GX: |
| case LINE6_DEVID_TONEPORT_UX1: |
| case LINE6_DEVID_TONEPORT_UX2: |
| case LINE6_DEVID_GUITARPORT: |
| size = sizeof(struct usb_line6_toneport); |
| /* these don't have a control channel */ |
| break; |
| |
| case LINE6_DEVID_PODXTLIVE: |
| switch (interface_number) { |
| case PODXTLIVE_INTERFACE_POD: |
| size = sizeof(struct usb_line6_pod); |
| ep_read = 0x84; |
| ep_write = 0x03; |
| break; |
| |
| case PODXTLIVE_INTERFACE_VARIAX: |
| size = sizeof(struct usb_line6_variax); |
| ep_read = 0x86; |
| ep_write = 0x05; |
| break; |
| |
| default: |
| ret = -ENODEV; |
| goto err_put; |
| } |
| break; |
| |
| case LINE6_DEVID_VARIAX: |
| size = sizeof(struct usb_line6_variax); |
| ep_read = 0x82; |
| ep_write = 0x01; |
| break; |
| |
| default: |
| MISSING_CASE; |
| ret = -ENODEV; |
| goto err_put; |
| } |
| |
| if (size == 0) { |
| dev_err(&interface->dev, |
| "driver bug: interface data size not set\n"); |
| ret = -ENODEV; |
| goto err_put; |
| } |
| |
| line6 = kzalloc(size, GFP_KERNEL); |
| if (line6 == NULL) { |
| ret = -ENODEV; |
| goto err_put; |
| } |
| |
| /* store basic data: */ |
| line6->interface_number = interface_number; |
| line6->properties = properties; |
| line6->usbdev = usbdev; |
| line6->ifcdev = &interface->dev; |
| line6->ep_control_read = ep_read; |
| line6->ep_control_write = ep_write; |
| line6->product = product; |
| |
| /* get data from endpoint descriptor (see usb_maxpacket): */ |
| { |
| struct usb_host_endpoint *ep; |
| unsigned epnum = |
| usb_pipeendpoint(usb_rcvintpipe(usbdev, ep_read)); |
| ep = usbdev->ep_in[epnum]; |
| |
| if (ep != NULL) { |
| line6->interval = ep->desc.bInterval; |
| line6->max_packet_size = |
| le16_to_cpu(ep->desc.wMaxPacketSize); |
| } else { |
| line6->interval = LINE6_FALLBACK_INTERVAL; |
| line6->max_packet_size = LINE6_FALLBACK_MAXPACKETSIZE; |
| dev_err(line6->ifcdev, |
| "endpoint not available, using fallback values"); |
| } |
| } |
| |
| usb_set_intfdata(interface, line6); |
| |
| if (properties->capabilities & LINE6_BIT_CONTROL) { |
| /* initialize USB buffers: */ |
| line6->buffer_listen = |
| kmalloc(LINE6_BUFSIZE_LISTEN, GFP_KERNEL); |
| if (line6->buffer_listen == NULL) { |
| ret = -ENOMEM; |
| goto err_destruct; |
| } |
| |
| line6->buffer_message = |
| kmalloc(LINE6_MESSAGE_MAXLEN, GFP_KERNEL); |
| if (line6->buffer_message == NULL) { |
| ret = -ENOMEM; |
| goto err_destruct; |
| } |
| |
| line6->urb_listen = usb_alloc_urb(0, GFP_KERNEL); |
| |
| if (line6->urb_listen == NULL) { |
| dev_err(&interface->dev, "Out of memory\n"); |
| line6_destruct(interface); |
| ret = -ENOMEM; |
| goto err_destruct; |
| } |
| |
| ret = line6_start_listen(line6); |
| if (ret < 0) { |
| dev_err(&interface->dev, "%s: usb_submit_urb failed\n", |
| __func__); |
| goto err_destruct; |
| } |
| } |
| |
| /* initialize device data based on product id: */ |
| switch (product) { |
| case LINE6_DEVID_BASSPODXT: |
| case LINE6_DEVID_BASSPODXTLIVE: |
| case LINE6_DEVID_BASSPODXTPRO: |
| case LINE6_DEVID_POCKETPOD: |
| case LINE6_DEVID_PODX3: |
| case LINE6_DEVID_PODX3LIVE: |
| case LINE6_DEVID_PODXT: |
| case LINE6_DEVID_PODXTPRO: |
| ret = line6_pod_init(interface, (struct usb_line6_pod *)line6); |
| break; |
| |
| case LINE6_DEVID_PODHD300: |
| case LINE6_DEVID_PODHD400: |
| case LINE6_DEVID_PODHD500: |
| ret = line6_podhd_init(interface, |
| (struct usb_line6_podhd *)line6); |
| break; |
| |
| case LINE6_DEVID_PODXTLIVE: |
| switch (interface_number) { |
| case PODXTLIVE_INTERFACE_POD: |
| ret = |
| line6_pod_init(interface, |
| (struct usb_line6_pod *)line6); |
| break; |
| |
| case PODXTLIVE_INTERFACE_VARIAX: |
| ret = |
| line6_variax_init(interface, |
| (struct usb_line6_variax *)line6); |
| break; |
| |
| default: |
| dev_err(&interface->dev, |
| "PODxt Live interface %d not supported\n", |
| interface_number); |
| ret = -ENODEV; |
| } |
| |
| break; |
| |
| case LINE6_DEVID_VARIAX: |
| ret = |
| line6_variax_init(interface, |
| (struct usb_line6_variax *)line6); |
| break; |
| |
| case LINE6_DEVID_PODSTUDIO_GX: |
| case LINE6_DEVID_PODSTUDIO_UX1: |
| case LINE6_DEVID_PODSTUDIO_UX2: |
| case LINE6_DEVID_TONEPORT_GX: |
| case LINE6_DEVID_TONEPORT_UX1: |
| case LINE6_DEVID_TONEPORT_UX2: |
| case LINE6_DEVID_GUITARPORT: |
| ret = |
| line6_toneport_init(interface, |
| (struct usb_line6_toneport *)line6); |
| break; |
| |
| default: |
| MISSING_CASE; |
| ret = -ENODEV; |
| } |
| |
| if (ret < 0) |
| goto err_destruct; |
| |
| ret = sysfs_create_link(&interface->dev.kobj, &usbdev->dev.kobj, |
| "usb_device"); |
| if (ret < 0) |
| goto err_destruct; |
| |
| /* creation of additional special files should go here */ |
| |
| dev_info(&interface->dev, "Line6 %s now attached\n", |
| line6->properties->name); |
| |
| switch (product) { |
| case LINE6_DEVID_PODX3: |
| case LINE6_DEVID_PODX3LIVE: |
| dev_info(&interface->dev, |
| "NOTE: the Line6 %s is detected, but not yet supported\n", |
| line6->properties->name); |
| } |
| |
| /* increment reference counters: */ |
| usb_get_intf(interface); |
| usb_get_dev(usbdev); |
| |
| return 0; |
| |
| err_destruct: |
| line6_destruct(interface); |
| err_put: |
| return ret; |
| } |
| |
| /* |
| Line6 device disconnected. |
| */ |
| static void line6_disconnect(struct usb_interface *interface) |
| { |
| struct usb_line6 *line6; |
| struct usb_device *usbdev; |
| int interface_number; |
| |
| if (interface == NULL) |
| return; |
| usbdev = interface_to_usbdev(interface); |
| if (usbdev == NULL) |
| return; |
| |
| /* removal of additional special files should go here */ |
| |
| sysfs_remove_link(&interface->dev.kobj, "usb_device"); |
| |
| interface_number = interface->cur_altsetting->desc.bInterfaceNumber; |
| line6 = usb_get_intfdata(interface); |
| |
| if (line6 != NULL) { |
| if (line6->urb_listen != NULL) |
| line6_stop_listen(line6); |
| |
| if (usbdev != line6->usbdev) |
| dev_err(line6->ifcdev, |
| "driver bug: inconsistent usb device\n"); |
| |
| switch (le16_to_cpu(line6->usbdev->descriptor.idProduct)) { |
| case LINE6_DEVID_BASSPODXT: |
| case LINE6_DEVID_BASSPODXTLIVE: |
| case LINE6_DEVID_BASSPODXTPRO: |
| case LINE6_DEVID_POCKETPOD: |
| case LINE6_DEVID_PODX3: |
| case LINE6_DEVID_PODX3LIVE: |
| case LINE6_DEVID_PODXT: |
| case LINE6_DEVID_PODXTPRO: |
| line6_pod_disconnect(interface); |
| break; |
| |
| case LINE6_DEVID_PODHD300: |
| case LINE6_DEVID_PODHD400: |
| case LINE6_DEVID_PODHD500: |
| line6_podhd_disconnect(interface); |
| break; |
| |
| case LINE6_DEVID_PODXTLIVE: |
| switch (interface_number) { |
| case PODXTLIVE_INTERFACE_POD: |
| line6_pod_disconnect(interface); |
| break; |
| |
| case PODXTLIVE_INTERFACE_VARIAX: |
| line6_variax_disconnect(interface); |
| break; |
| } |
| |
| break; |
| |
| case LINE6_DEVID_VARIAX: |
| line6_variax_disconnect(interface); |
| break; |
| |
| case LINE6_DEVID_PODSTUDIO_GX: |
| case LINE6_DEVID_PODSTUDIO_UX1: |
| case LINE6_DEVID_PODSTUDIO_UX2: |
| case LINE6_DEVID_TONEPORT_GX: |
| case LINE6_DEVID_TONEPORT_UX1: |
| case LINE6_DEVID_TONEPORT_UX2: |
| case LINE6_DEVID_GUITARPORT: |
| line6_toneport_disconnect(interface); |
| break; |
| |
| default: |
| MISSING_CASE; |
| } |
| |
| dev_info(&interface->dev, "Line6 %s now disconnected\n", |
| line6->properties->name); |
| } |
| |
| line6_destruct(interface); |
| |
| /* decrement reference counters: */ |
| usb_put_intf(interface); |
| usb_put_dev(usbdev); |
| } |
| |
| #ifdef CONFIG_PM |
| |
| /* |
| Suspend Line6 device. |
| */ |
| static int line6_suspend(struct usb_interface *interface, pm_message_t message) |
| { |
| struct usb_line6 *line6 = usb_get_intfdata(interface); |
| struct snd_line6_pcm *line6pcm = line6->line6pcm; |
| |
| snd_power_change_state(line6->card, SNDRV_CTL_POWER_D3hot); |
| |
| if (line6->properties->capabilities & LINE6_BIT_CONTROL) |
| line6_stop_listen(line6); |
| |
| if (line6pcm != NULL) { |
| snd_pcm_suspend_all(line6pcm->pcm); |
| line6_pcm_disconnect(line6pcm); |
| line6pcm->flags = 0; |
| } |
| |
| return 0; |
| } |
| |
| /* |
| Resume Line6 device. |
| */ |
| static int line6_resume(struct usb_interface *interface) |
| { |
| struct usb_line6 *line6 = usb_get_intfdata(interface); |
| |
| if (line6->properties->capabilities & LINE6_BIT_CONTROL) |
| line6_start_listen(line6); |
| |
| snd_power_change_state(line6->card, SNDRV_CTL_POWER_D0); |
| return 0; |
| } |
| |
| /* |
| Resume Line6 device after reset. |
| */ |
| static int line6_reset_resume(struct usb_interface *interface) |
| { |
| struct usb_line6 *line6 = usb_get_intfdata(interface); |
| |
| switch (le16_to_cpu(line6->usbdev->descriptor.idProduct)) { |
| case LINE6_DEVID_PODSTUDIO_GX: |
| case LINE6_DEVID_PODSTUDIO_UX1: |
| case LINE6_DEVID_PODSTUDIO_UX2: |
| case LINE6_DEVID_TONEPORT_GX: |
| case LINE6_DEVID_TONEPORT_UX1: |
| case LINE6_DEVID_TONEPORT_UX2: |
| case LINE6_DEVID_GUITARPORT: |
| line6_toneport_reset_resume((struct usb_line6_toneport *)line6); |
| } |
| |
| return line6_resume(interface); |
| } |
| |
| #endif /* CONFIG_PM */ |
| |
| static struct usb_driver line6_driver = { |
| .name = DRIVER_NAME, |
| .probe = line6_probe, |
| .disconnect = line6_disconnect, |
| #ifdef CONFIG_PM |
| .suspend = line6_suspend, |
| .resume = line6_resume, |
| .reset_resume = line6_reset_resume, |
| #endif |
| .id_table = line6_id_table, |
| }; |
| |
| module_usb_driver(line6_driver); |
| |
| MODULE_AUTHOR(DRIVER_AUTHOR); |
| MODULE_DESCRIPTION(DRIVER_DESC); |
| MODULE_LICENSE("GPL"); |
| MODULE_VERSION(DRIVER_VERSION); |