diff options
author | Takashi Iwai <tiwai@suse.de> | 2015-01-12 22:29:57 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2015-01-12 22:29:57 +0100 |
commit | 61864d844c296933d40c02683252bbea5193b101 (patch) | |
tree | af106a2061e9b33dfbffdf761406cf5ff890ba2d /drivers/staging/line6/driver.c | |
parent | d29b854fe9036a505af373ac485b2110ebae6ccd (diff) |
ALSA: move line6 usb driver into sound/usb
Promote line6 driver from staging to sound/usb/line6 directory, and
maintain through sound subsystem tree.
This commit just moves the code and adapts Makefile / Kconfig.
The further renames and misc cleanups will follow.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'drivers/staging/line6/driver.c')
-rw-r--r-- | drivers/staging/line6/driver.c | 1114 |
1 files changed, 0 insertions, 1114 deletions
diff --git a/drivers/staging/line6/driver.c b/drivers/staging/line6/driver.c deleted file mode 100644 index fc852f6ab8b..00000000000 --- a/drivers/staging/line6/driver.c +++ /dev/null @@ -1,1114 +0,0 @@ -/* - * 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 - -#define LINE6_DEVICE(prod) USB_DEVICE(0x0e41, prod) -#define LINE6_IF_NUM(prod, n) USB_DEVICE_INTERFACE_NUMBER(0x0e41, prod, n) - -/* table of devices that work with this driver */ -static const struct usb_device_id line6_id_table[] = { - { LINE6_DEVICE(0x4250), .driver_info = LINE6_BASSPODXT }, - { LINE6_DEVICE(0x4642), .driver_info = LINE6_BASSPODXTLIVE }, - { LINE6_DEVICE(0x4252), .driver_info = LINE6_BASSPODXTPRO }, - { LINE6_DEVICE(0x4750), .driver_info = LINE6_GUITARPORT }, - { LINE6_IF_NUM(0x5051, 1), .driver_info = LINE6_POCKETPOD }, - { LINE6_DEVICE(0x5057), .driver_info = LINE6_PODHD300 }, - { LINE6_DEVICE(0x5058), .driver_info = LINE6_PODHD400 }, - { LINE6_IF_NUM(0x414D, 0), .driver_info = LINE6_PODHD500_0 }, - { LINE6_IF_NUM(0x414D, 1), .driver_info = LINE6_PODHD500_1 }, - { LINE6_DEVICE(0x4153), .driver_info = LINE6_PODSTUDIO_GX }, - { LINE6_DEVICE(0x4150), .driver_info = LINE6_PODSTUDIO_UX1 }, - { LINE6_IF_NUM(0x4151, 0), .driver_info = LINE6_PODSTUDIO_UX2 }, - { LINE6_DEVICE(0x5044), .driver_info = LINE6_PODXT }, - { LINE6_IF_NUM(0x4650, 0), .driver_info = LINE6_PODXTLIVE_POD }, - { LINE6_IF_NUM(0x4650, 1), .driver_info = LINE6_PODXTLIVE_VARIAX }, - { LINE6_DEVICE(0x5050), .driver_info = LINE6_PODXTPRO }, - { LINE6_DEVICE(0x4147), .driver_info = LINE6_TONEPORT_GX }, - { LINE6_DEVICE(0x4141), .driver_info = LINE6_TONEPORT_UX1 }, - { LINE6_IF_NUM(0x4142, 0), .driver_info = LINE6_TONEPORT_UX2 }, - { LINE6_DEVICE(0x534d), .driver_info = LINE6_VARIAX }, - {} -}; - -MODULE_DEVICE_TABLE(usb, line6_id_table); - -static const struct line6_properties line6_properties_table[] = { - [LINE6_BASSPODXT] = { - .id = "BassPODxt", - .name = "BassPODxt", - .capabilities = LINE6_CAP_CONTROL - | LINE6_CAP_PCM - | LINE6_CAP_HWMON, - .altsetting = 5, - .ep_ctrl_r = 0x84, - .ep_ctrl_w = 0x03, - .ep_audio_r = 0x82, - .ep_audio_w = 0x01, - }, - [LINE6_BASSPODXTLIVE] = { - .id = "BassPODxtLive", - .name = "BassPODxt Live", - .capabilities = LINE6_CAP_CONTROL - | LINE6_CAP_PCM - | LINE6_CAP_HWMON, - .altsetting = 1, - .ep_ctrl_r = 0x84, - .ep_ctrl_w = 0x03, - .ep_audio_r = 0x82, - .ep_audio_w = 0x01, - }, - [LINE6_BASSPODXTPRO] = { - .id = "BassPODxtPro", - .name = "BassPODxt Pro", - .capabilities = LINE6_CAP_CONTROL - | LINE6_CAP_PCM - | LINE6_CAP_HWMON, - .altsetting = 5, - .ep_ctrl_r = 0x84, - .ep_ctrl_w = 0x03, - .ep_audio_r = 0x82, - .ep_audio_w = 0x01, - }, - [LINE6_GUITARPORT] = { - .id = "GuitarPort", - .name = "GuitarPort", - .capabilities = LINE6_CAP_PCM, - .altsetting = 2, /* 1..4 seem to be ok */ - /* no control channel */ - .ep_audio_r = 0x82, - .ep_audio_w = 0x01, - }, - [LINE6_POCKETPOD] = { - .id = "PocketPOD", - .name = "Pocket POD", - .capabilities = LINE6_CAP_CONTROL, - .altsetting = 0, - .ep_ctrl_r = 0x82, - .ep_ctrl_w = 0x02, - /* no audio channel */ - }, - [LINE6_PODHD300] = { - .id = "PODHD300", - .name = "POD HD300", - .capabilities = LINE6_CAP_CONTROL - | LINE6_CAP_PCM - | LINE6_CAP_HWMON, - .altsetting = 5, - .ep_ctrl_r = 0x84, - .ep_ctrl_w = 0x03, - .ep_audio_r = 0x82, - .ep_audio_w = 0x01, - }, - [LINE6_PODHD400] = { - .id = "PODHD400", - .name = "POD HD400", - .capabilities = LINE6_CAP_CONTROL - | LINE6_CAP_PCM - | LINE6_CAP_HWMON, - .altsetting = 5, - .ep_ctrl_r = 0x84, - .ep_ctrl_w = 0x03, - .ep_audio_r = 0x82, - .ep_audio_w = 0x01, - }, - [LINE6_PODHD500_0] = { - .id = "PODHD500", - .name = "POD HD500", - .capabilities = LINE6_CAP_CONTROL - | LINE6_CAP_PCM - | LINE6_CAP_HWMON, - .altsetting = 1, - .ep_ctrl_r = 0x81, - .ep_ctrl_w = 0x01, - .ep_audio_r = 0x86, - .ep_audio_w = 0x02, - }, - [LINE6_PODHD500_1] = { - .id = "PODHD500", - .name = "POD HD500", - .capabilities = LINE6_CAP_CONTROL - | LINE6_CAP_PCM - | LINE6_CAP_HWMON, - .altsetting = 1, - .ep_ctrl_r = 0x81, - .ep_ctrl_w = 0x01, - .ep_audio_r = 0x86, - .ep_audio_w = 0x02, - }, - [LINE6_PODSTUDIO_GX] = { - .id = "PODStudioGX", - .name = "POD Studio GX", - .capabilities = LINE6_CAP_PCM, - .altsetting = 2, /* 1..4 seem to be ok */ - /* no control channel */ - .ep_audio_r = 0x82, - .ep_audio_w = 0x01, - }, - [LINE6_PODSTUDIO_UX1] = { - .id = "PODStudioUX1", - .name = "POD Studio UX1", - .capabilities = LINE6_CAP_PCM, - .altsetting = 2, /* 1..4 seem to be ok */ - /* no control channel */ - .ep_audio_r = 0x82, - .ep_audio_w = 0x01, - }, - [LINE6_PODSTUDIO_UX2] = { - .id = "PODStudioUX2", - .name = "POD Studio UX2", - .capabilities = LINE6_CAP_PCM, - .altsetting = 2, /* defaults to 44.1kHz, 16-bit */ - /* no control channel */ - .ep_audio_r = 0x82, - .ep_audio_w = 0x01, - }, - [LINE6_PODXT] = { - .id = "PODxt", - .name = "PODxt", - .capabilities = LINE6_CAP_CONTROL - | LINE6_CAP_PCM - | LINE6_CAP_HWMON, - .altsetting = 5, - .ep_ctrl_r = 0x84, - .ep_ctrl_w = 0x03, - .ep_audio_r = 0x82, - .ep_audio_w = 0x01, - }, - [LINE6_PODXTLIVE_POD] = { - .id = "PODxtLive", - .name = "PODxt Live", - .capabilities = LINE6_CAP_CONTROL - | LINE6_CAP_PCM - | LINE6_CAP_HWMON, - .altsetting = 1, - .ep_ctrl_r = 0x84, - .ep_ctrl_w = 0x03, - .ep_audio_r = 0x82, - .ep_audio_w = 0x01, - }, - [LINE6_PODXTLIVE_VARIAX] = { - .id = "PODxtLive", - .name = "PODxt Live", - .capabilities = LINE6_CAP_CONTROL - | LINE6_CAP_PCM - | LINE6_CAP_HWMON, - .altsetting = 1, - .ep_ctrl_r = 0x86, - .ep_ctrl_w = 0x05, - .ep_audio_r = 0x82, - .ep_audio_w = 0x01, - }, - [LINE6_PODXTPRO] = { - .id = "PODxtPro", - .name = "PODxt Pro", - .capabilities = LINE6_CAP_CONTROL - | LINE6_CAP_PCM - | LINE6_CAP_HWMON, - .altsetting = 5, - .ep_ctrl_r = 0x84, - .ep_ctrl_w = 0x03, - .ep_audio_r = 0x82, - .ep_audio_w = 0x01, - }, - [LINE6_TONEPORT_GX] = { - .id = "TonePortGX", - .name = "TonePort GX", - .capabilities = LINE6_CAP_PCM, - .altsetting = 2, /* 1..4 seem to be ok */ - /* no control channel */ - .ep_audio_r = 0x82, - .ep_audio_w = 0x01, - }, - [LINE6_TONEPORT_UX1] = { - .id = "TonePortUX1", - .name = "TonePort UX1", - .capabilities = LINE6_CAP_PCM, - .altsetting = 2, /* 1..4 seem to be ok */ - /* no control channel */ - .ep_audio_r = 0x82, - .ep_audio_w = 0x01, - }, - [LINE6_TONEPORT_UX2] = { - .id = "TonePortUX2", - .name = "TonePort UX2", - .capabilities = LINE6_CAP_PCM, - .altsetting = 2, /* defaults to 44.1kHz, 16-bit */ - /* no control channel */ - .ep_audio_r = 0x82, - .ep_audio_w = 0x01, - }, - [LINE6_VARIAX] = { - .id = "Variax", - .name = "Variax Workbench", - .capabilities = LINE6_CAP_CONTROL, - .altsetting = 1, - .ep_ctrl_r = 0x82, - .ep_ctrl_w = 0x01, - /* no audio channel */ - } -}; - -/* - 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->properties->ep_ctrl_r), - 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->properties->ep_ctrl_w), - (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->properties->ep_ctrl_w), - (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); - - if (line6->process_message) - line6->process_message(line6); - } - - 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->properties->ep_ctrl_w), - 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->properties->ep_ctrl_w), - 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) -{ - enum line6_device_type devtype; - struct usb_device *usbdev; - struct usb_line6 *line6; - const struct line6_properties *properties; - int interface_number; - int size = 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; - } - - devtype = id->driver_info; - - /* initialize device info: */ - properties = &line6_properties_table[devtype]; - dev_info(&interface->dev, "Line6 %s found\n", properties->name); - - /* query interface number */ - interface_number = interface->cur_altsetting->desc.bInterfaceNumber; - - ret = usb_set_interface(usbdev, interface_number, - properties->altsetting); - if (ret < 0) { - dev_err(&interface->dev, "set_interface failed\n"); - goto err_put; - } - - /* initialize device data based on device: */ - switch (devtype) { - case LINE6_BASSPODXT: - case LINE6_BASSPODXTLIVE: - case LINE6_BASSPODXTPRO: - case LINE6_PODXT: - case LINE6_PODXTPRO: - size = sizeof(struct usb_line6_pod); - break; - - case LINE6_PODHD300: - case LINE6_PODHD400: - size = sizeof(struct usb_line6_podhd); - break; - - case LINE6_PODHD500_0: - case LINE6_PODHD500_1: - size = sizeof(struct usb_line6_podhd); - break; - - case LINE6_POCKETPOD: - size = sizeof(struct usb_line6_pod); - break; - - case LINE6_PODSTUDIO_GX: - case LINE6_PODSTUDIO_UX1: - case LINE6_PODSTUDIO_UX2: - case LINE6_TONEPORT_GX: - case LINE6_TONEPORT_UX1: - case LINE6_TONEPORT_UX2: - case LINE6_GUITARPORT: - size = sizeof(struct usb_line6_toneport); - break; - - case LINE6_PODXTLIVE_POD: - size = sizeof(struct usb_line6_pod); - break; - - case LINE6_PODXTLIVE_VARIAX: - size = sizeof(struct usb_line6_variax); - break; - - case LINE6_VARIAX: - size = sizeof(struct usb_line6_variax); - 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->properties = properties; - line6->usbdev = usbdev; - line6->ifcdev = &interface->dev; - line6->type = devtype; - - /* get data from endpoint descriptor (see usb_maxpacket): */ - { - struct usb_host_endpoint *ep; - unsigned pipe = usb_rcvintpipe(usbdev, properties->ep_ctrl_r); - unsigned epnum = usb_pipeendpoint(pipe); - 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_CAP_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 device: */ - switch (devtype) { - case LINE6_BASSPODXT: - case LINE6_BASSPODXTLIVE: - case LINE6_BASSPODXTPRO: - case LINE6_POCKETPOD: - case LINE6_PODXT: - case LINE6_PODXTPRO: - ret = line6_pod_init(interface, line6); - break; - - case LINE6_PODHD300: - case LINE6_PODHD400: - case LINE6_PODHD500_0: - case LINE6_PODHD500_1: - ret = line6_podhd_init(interface, line6); - break; - - case LINE6_PODXTLIVE_POD: - ret = line6_pod_init(interface, line6); - break; - - case LINE6_PODXTLIVE_VARIAX: - ret = line6_variax_init(interface, line6); - break; - - case LINE6_VARIAX: - ret = line6_variax_init(interface, line6); - break; - - case LINE6_PODSTUDIO_GX: - case LINE6_PODSTUDIO_UX1: - case LINE6_PODSTUDIO_UX2: - case LINE6_TONEPORT_GX: - case LINE6_TONEPORT_UX1: - case LINE6_TONEPORT_UX2: - case LINE6_GUITARPORT: - ret = line6_toneport_init(interface, 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); - - /* 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"); - - line6->disconnect(interface); - - 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_CAP_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_CAP_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 (line6->type) { - case LINE6_PODSTUDIO_GX: - case LINE6_PODSTUDIO_UX1: - case LINE6_PODSTUDIO_UX2: - case LINE6_TONEPORT_GX: - case LINE6_TONEPORT_UX1: - case LINE6_TONEPORT_UX2: - case LINE6_GUITARPORT: - line6_toneport_reset_resume((struct usb_line6_toneport *)line6); - - default: - break; - } - - 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); |