514 lines
13 KiB
C
514 lines
13 KiB
C
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/*
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* Line 6 Pod HD
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*
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* Copyright (C) 2011 Stefan Hajnoczi <stefanha@gmail.com>
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* Copyright (C) 2015 Andrej Krutak <dev@andree.sk>
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* Copyright (C) 2017 Hans P. Moller <hmoller@uc.cl>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, version 2.
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*
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*/
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#include <linux/usb.h>
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#include <linux/slab.h>
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#include <linux/module.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include "driver.h"
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#include "pcm.h"
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#define PODHD_STARTUP_DELAY 500
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/*
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* Stages of POD startup procedure
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*/
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enum {
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PODHD_STARTUP_INIT = 1,
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PODHD_STARTUP_SCHEDULE_WORKQUEUE,
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PODHD_STARTUP_SETUP,
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PODHD_STARTUP_LAST = PODHD_STARTUP_SETUP - 1
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};
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enum {
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LINE6_PODHD300,
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LINE6_PODHD400,
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LINE6_PODHD500_0,
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LINE6_PODHD500_1,
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LINE6_PODX3,
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LINE6_PODX3LIVE,
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LINE6_PODHD500X,
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LINE6_PODHDDESKTOP
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};
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struct usb_line6_podhd {
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/* Generic Line 6 USB data */
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struct usb_line6 line6;
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/* Timer for device initialization */
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struct timer_list startup_timer;
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/* Work handler for device initialization */
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struct work_struct startup_work;
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/* Current progress in startup procedure */
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int startup_progress;
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/* Serial number of device */
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u32 serial_number;
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/* Firmware version */
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int firmware_version;
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};
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static struct snd_ratden podhd_ratden = {
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.num_min = 48000,
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.num_max = 48000,
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.num_step = 1,
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.den = 1,
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};
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static struct line6_pcm_properties podhd_pcm_properties = {
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.playback_hw = {
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.info = (SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_BLOCK_TRANSFER |
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SNDRV_PCM_INFO_MMAP_VALID |
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SNDRV_PCM_INFO_PAUSE |
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SNDRV_PCM_INFO_SYNC_START),
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.formats = SNDRV_PCM_FMTBIT_S24_3LE,
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.rates = SNDRV_PCM_RATE_48000,
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.rate_min = 48000,
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.rate_max = 48000,
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.channels_min = 2,
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.channels_max = 2,
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.buffer_bytes_max = 60000,
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.period_bytes_min = 64,
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.period_bytes_max = 8192,
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.periods_min = 1,
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.periods_max = 1024},
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.capture_hw = {
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.info = (SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_BLOCK_TRANSFER |
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SNDRV_PCM_INFO_MMAP_VALID |
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SNDRV_PCM_INFO_SYNC_START),
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.formats = SNDRV_PCM_FMTBIT_S24_3LE,
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.rates = SNDRV_PCM_RATE_48000,
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.rate_min = 48000,
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.rate_max = 48000,
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.channels_min = 2,
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.channels_max = 2,
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.buffer_bytes_max = 60000,
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.period_bytes_min = 64,
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.period_bytes_max = 8192,
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.periods_min = 1,
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.periods_max = 1024},
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.rates = {
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.nrats = 1,
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.rats = &podhd_ratden},
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.bytes_per_channel = 3 /* SNDRV_PCM_FMTBIT_S24_3LE */
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};
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static struct line6_pcm_properties podx3_pcm_properties = {
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.playback_hw = {
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.info = (SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_BLOCK_TRANSFER |
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SNDRV_PCM_INFO_MMAP_VALID |
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SNDRV_PCM_INFO_PAUSE |
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SNDRV_PCM_INFO_SYNC_START),
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.formats = SNDRV_PCM_FMTBIT_S24_3LE,
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.rates = SNDRV_PCM_RATE_48000,
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.rate_min = 48000,
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.rate_max = 48000,
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.channels_min = 2,
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.channels_max = 2,
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.buffer_bytes_max = 60000,
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.period_bytes_min = 64,
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.period_bytes_max = 8192,
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.periods_min = 1,
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.periods_max = 1024},
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.capture_hw = {
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.info = (SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_BLOCK_TRANSFER |
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SNDRV_PCM_INFO_MMAP_VALID |
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SNDRV_PCM_INFO_SYNC_START),
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.formats = SNDRV_PCM_FMTBIT_S24_3LE,
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.rates = SNDRV_PCM_RATE_48000,
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.rate_min = 48000,
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.rate_max = 48000,
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/* 1+2: Main signal (out), 3+4: Tone 1,
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* 5+6: Tone 2, 7+8: raw
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*/
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.channels_min = 8,
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.channels_max = 8,
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.buffer_bytes_max = 60000,
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.period_bytes_min = 64,
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.period_bytes_max = 8192,
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.periods_min = 1,
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.periods_max = 1024},
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.rates = {
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.nrats = 1,
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.rats = &podhd_ratden},
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.bytes_per_channel = 3 /* SNDRV_PCM_FMTBIT_S24_3LE */
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};
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static struct usb_driver podhd_driver;
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static void podhd_startup_start_workqueue(struct timer_list *t);
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static void podhd_startup_workqueue(struct work_struct *work);
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static int podhd_startup_finalize(struct usb_line6_podhd *pod);
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static ssize_t serial_number_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct snd_card *card = dev_to_snd_card(dev);
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struct usb_line6_podhd *pod = card->private_data;
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return sprintf(buf, "%u\n", pod->serial_number);
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}
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static ssize_t firmware_version_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct snd_card *card = dev_to_snd_card(dev);
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struct usb_line6_podhd *pod = card->private_data;
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return sprintf(buf, "%06x\n", pod->firmware_version);
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}
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static DEVICE_ATTR_RO(firmware_version);
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static DEVICE_ATTR_RO(serial_number);
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static struct attribute *podhd_dev_attrs[] = {
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&dev_attr_firmware_version.attr,
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&dev_attr_serial_number.attr,
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NULL
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};
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static const struct attribute_group podhd_dev_attr_group = {
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.name = "podhd",
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.attrs = podhd_dev_attrs,
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};
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/*
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* POD X3 startup procedure.
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*
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* May be compatible with other POD HD's, since it's also similar to the
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* previous POD setup. In any case, it doesn't seem to be required for the
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* audio nor bulk interfaces to work.
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*/
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static void podhd_startup(struct usb_line6_podhd *pod)
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{
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CHECK_STARTUP_PROGRESS(pod->startup_progress, PODHD_STARTUP_INIT);
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/* delay startup procedure: */
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line6_start_timer(&pod->startup_timer, PODHD_STARTUP_DELAY,
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podhd_startup_start_workqueue);
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}
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static void podhd_startup_start_workqueue(struct timer_list *t)
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{
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struct usb_line6_podhd *pod = from_timer(pod, t, startup_timer);
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CHECK_STARTUP_PROGRESS(pod->startup_progress,
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PODHD_STARTUP_SCHEDULE_WORKQUEUE);
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/* schedule work for global work queue: */
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schedule_work(&pod->startup_work);
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}
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static int podhd_dev_start(struct usb_line6_podhd *pod)
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{
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int ret;
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u8 *init_bytes;
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int i;
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struct usb_device *usbdev = pod->line6.usbdev;
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init_bytes = kmalloc(8, GFP_KERNEL);
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if (!init_bytes)
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return -ENOMEM;
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ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0),
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0x67, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
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0x11, 0,
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NULL, 0, LINE6_TIMEOUT * HZ);
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if (ret < 0) {
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dev_err(pod->line6.ifcdev, "read request failed (error %d)\n", ret);
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goto exit;
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}
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/* NOTE: looks like some kind of ping message */
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ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67,
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USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
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0x11, 0x0,
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init_bytes, 3, LINE6_TIMEOUT * HZ);
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if (ret < 0) {
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dev_err(pod->line6.ifcdev,
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"receive length failed (error %d)\n", ret);
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goto exit;
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}
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pod->firmware_version =
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(init_bytes[0] << 16) | (init_bytes[1] << 8) | (init_bytes[2] << 0);
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for (i = 0; i <= 16; i++) {
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ret = line6_read_data(&pod->line6, 0xf000 + 0x08 * i, init_bytes, 8);
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if (ret < 0)
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goto exit;
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}
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ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0),
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USB_REQ_SET_FEATURE,
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USB_TYPE_STANDARD | USB_RECIP_DEVICE | USB_DIR_OUT,
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1, 0,
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NULL, 0, LINE6_TIMEOUT * HZ);
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exit:
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kfree(init_bytes);
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return ret;
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}
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static void podhd_startup_workqueue(struct work_struct *work)
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{
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struct usb_line6_podhd *pod =
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container_of(work, struct usb_line6_podhd, startup_work);
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CHECK_STARTUP_PROGRESS(pod->startup_progress, PODHD_STARTUP_SETUP);
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podhd_dev_start(pod);
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line6_read_serial_number(&pod->line6, &pod->serial_number);
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podhd_startup_finalize(pod);
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}
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static int podhd_startup_finalize(struct usb_line6_podhd *pod)
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{
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struct usb_line6 *line6 = &pod->line6;
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/* ALSA audio interface: */
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return snd_card_register(line6->card);
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}
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static void podhd_disconnect(struct usb_line6 *line6)
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{
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struct usb_line6_podhd *pod = (struct usb_line6_podhd *)line6;
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if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL_INFO) {
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struct usb_interface *intf;
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del_timer_sync(&pod->startup_timer);
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cancel_work_sync(&pod->startup_work);
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intf = usb_ifnum_to_if(line6->usbdev,
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pod->line6.properties->ctrl_if);
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if (intf)
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usb_driver_release_interface(&podhd_driver, intf);
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}
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}
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/*
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Try to init POD HD device.
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*/
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static int podhd_init(struct usb_line6 *line6,
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const struct usb_device_id *id)
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{
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int err;
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struct usb_line6_podhd *pod = (struct usb_line6_podhd *) line6;
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struct usb_interface *intf;
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line6->disconnect = podhd_disconnect;
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timer_setup(&pod->startup_timer, NULL, 0);
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INIT_WORK(&pod->startup_work, podhd_startup_workqueue);
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if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL) {
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/* claim the data interface */
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intf = usb_ifnum_to_if(line6->usbdev,
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pod->line6.properties->ctrl_if);
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if (!intf) {
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dev_err(pod->line6.ifcdev, "interface %d not found\n",
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pod->line6.properties->ctrl_if);
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return -ENODEV;
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}
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err = usb_driver_claim_interface(&podhd_driver, intf, NULL);
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if (err != 0) {
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dev_err(pod->line6.ifcdev, "can't claim interface %d, error %d\n",
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pod->line6.properties->ctrl_if, err);
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return err;
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}
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}
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if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL_INFO) {
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/* create sysfs entries: */
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err = snd_card_add_dev_attr(line6->card, &podhd_dev_attr_group);
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if (err < 0)
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return err;
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}
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if (pod->line6.properties->capabilities & LINE6_CAP_PCM) {
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/* initialize PCM subsystem: */
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err = line6_init_pcm(line6,
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(id->driver_info == LINE6_PODX3 ||
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id->driver_info == LINE6_PODX3LIVE) ? &podx3_pcm_properties :
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&podhd_pcm_properties);
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if (err < 0)
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return err;
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}
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if (!(pod->line6.properties->capabilities & LINE6_CAP_CONTROL_INFO)) {
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/* register USB audio system directly */
|
||
|
|
return podhd_startup_finalize(pod);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* init device and delay registering */
|
||
|
|
podhd_startup(pod);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#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 podhd_id_table[] = {
|
||
|
|
/* TODO: no need to alloc data interfaces when only audio is used */
|
||
|
|
{ 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_IF_NUM(0x414A, 0), .driver_info = LINE6_PODX3 },
|
||
|
|
{ LINE6_IF_NUM(0x414B, 0), .driver_info = LINE6_PODX3LIVE },
|
||
|
|
{ LINE6_IF_NUM(0x4159, 0), .driver_info = LINE6_PODHD500X },
|
||
|
|
{ LINE6_IF_NUM(0x4156, 0), .driver_info = LINE6_PODHDDESKTOP },
|
||
|
|
{}
|
||
|
|
};
|
||
|
|
|
||
|
|
MODULE_DEVICE_TABLE(usb, podhd_id_table);
|
||
|
|
|
||
|
|
static const struct line6_properties podhd_properties_table[] = {
|
||
|
|
[LINE6_PODHD300] = {
|
||
|
|
.id = "PODHD300",
|
||
|
|
.name = "POD HD300",
|
||
|
|
.capabilities = 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_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_PCM
|
||
|
|
| LINE6_CAP_HWMON,
|
||
|
|
.altsetting = 0,
|
||
|
|
.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_PCM
|
||
|
|
| LINE6_CAP_HWMON,
|
||
|
|
.altsetting = 1,
|
||
|
|
.ep_ctrl_r = 0x81,
|
||
|
|
.ep_ctrl_w = 0x01,
|
||
|
|
.ep_audio_r = 0x86,
|
||
|
|
.ep_audio_w = 0x02,
|
||
|
|
},
|
||
|
|
[LINE6_PODX3] = {
|
||
|
|
.id = "PODX3",
|
||
|
|
.name = "POD X3",
|
||
|
|
.capabilities = LINE6_CAP_CONTROL | LINE6_CAP_CONTROL_INFO
|
||
|
|
| LINE6_CAP_PCM | LINE6_CAP_HWMON | LINE6_CAP_IN_NEEDS_OUT,
|
||
|
|
.altsetting = 1,
|
||
|
|
.ep_ctrl_r = 0x81,
|
||
|
|
.ep_ctrl_w = 0x01,
|
||
|
|
.ctrl_if = 1,
|
||
|
|
.ep_audio_r = 0x86,
|
||
|
|
.ep_audio_w = 0x02,
|
||
|
|
},
|
||
|
|
[LINE6_PODX3LIVE] = {
|
||
|
|
.id = "PODX3LIVE",
|
||
|
|
.name = "POD X3 LIVE",
|
||
|
|
.capabilities = LINE6_CAP_CONTROL | LINE6_CAP_CONTROL_INFO
|
||
|
|
| LINE6_CAP_PCM | LINE6_CAP_HWMON | LINE6_CAP_IN_NEEDS_OUT,
|
||
|
|
.altsetting = 1,
|
||
|
|
.ep_ctrl_r = 0x81,
|
||
|
|
.ep_ctrl_w = 0x01,
|
||
|
|
.ctrl_if = 1,
|
||
|
|
.ep_audio_r = 0x86,
|
||
|
|
.ep_audio_w = 0x02,
|
||
|
|
},
|
||
|
|
[LINE6_PODHD500X] = {
|
||
|
|
.id = "PODHD500X",
|
||
|
|
.name = "POD HD500X",
|
||
|
|
.capabilities = LINE6_CAP_CONTROL
|
||
|
|
| LINE6_CAP_PCM | LINE6_CAP_HWMON,
|
||
|
|
.altsetting = 1,
|
||
|
|
.ep_ctrl_r = 0x81,
|
||
|
|
.ep_ctrl_w = 0x01,
|
||
|
|
.ctrl_if = 1,
|
||
|
|
.ep_audio_r = 0x86,
|
||
|
|
.ep_audio_w = 0x02,
|
||
|
|
},
|
||
|
|
[LINE6_PODHDDESKTOP] = {
|
||
|
|
.id = "PODHDDESKTOP",
|
||
|
|
.name = "POD HDDESKTOP",
|
||
|
|
.capabilities = LINE6_CAP_CONTROL
|
||
|
|
| LINE6_CAP_PCM | LINE6_CAP_HWMON,
|
||
|
|
.altsetting = 1,
|
||
|
|
.ep_ctrl_r = 0x81,
|
||
|
|
.ep_ctrl_w = 0x01,
|
||
|
|
.ctrl_if = 1,
|
||
|
|
.ep_audio_r = 0x86,
|
||
|
|
.ep_audio_w = 0x02,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
Probe USB device.
|
||
|
|
*/
|
||
|
|
static int podhd_probe(struct usb_interface *interface,
|
||
|
|
const struct usb_device_id *id)
|
||
|
|
{
|
||
|
|
return line6_probe(interface, id, "Line6-PODHD",
|
||
|
|
&podhd_properties_table[id->driver_info],
|
||
|
|
podhd_init, sizeof(struct usb_line6_podhd));
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct usb_driver podhd_driver = {
|
||
|
|
.name = KBUILD_MODNAME,
|
||
|
|
.probe = podhd_probe,
|
||
|
|
.disconnect = line6_disconnect,
|
||
|
|
#ifdef CONFIG_PM
|
||
|
|
.suspend = line6_suspend,
|
||
|
|
.resume = line6_resume,
|
||
|
|
.reset_resume = line6_resume,
|
||
|
|
#endif
|
||
|
|
.id_table = podhd_id_table,
|
||
|
|
};
|
||
|
|
|
||
|
|
module_usb_driver(podhd_driver);
|
||
|
|
|
||
|
|
MODULE_DESCRIPTION("Line 6 PODHD USB driver");
|
||
|
|
MODULE_LICENSE("GPL");
|