582 lines
14 KiB
C
582 lines
14 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Line 6 Linux USB driver
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*
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* Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
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* Emil Myhrman (emil.myhrman@gmail.com)
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*/
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#include <linux/wait.h>
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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 <linux/leds.h>
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#include <sound/core.h>
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#include <sound/control.h>
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#include "capture.h"
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#include "driver.h"
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#include "playback.h"
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enum line6_device_type {
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LINE6_GUITARPORT,
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LINE6_PODSTUDIO_GX,
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LINE6_PODSTUDIO_UX1,
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LINE6_PODSTUDIO_UX2,
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LINE6_TONEPORT_GX,
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LINE6_TONEPORT_UX1,
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LINE6_TONEPORT_UX2,
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};
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struct usb_line6_toneport;
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struct toneport_led {
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struct led_classdev dev;
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char name[64];
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struct usb_line6_toneport *toneport;
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bool registered;
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};
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struct usb_line6_toneport {
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/* Generic Line 6 USB data */
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struct usb_line6 line6;
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/* Source selector */
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int source;
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/* Serial number of device */
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u32 serial_number;
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/* Firmware version (x 100) */
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u8 firmware_version;
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/* Device type */
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enum line6_device_type type;
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/* LED instances */
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struct toneport_led leds[2];
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};
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#define line6_to_toneport(x) container_of(x, struct usb_line6_toneport, line6)
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static int toneport_send_cmd(struct usb_device *usbdev, int cmd1, int cmd2);
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#define TONEPORT_PCM_DELAY 1
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static struct snd_ratden toneport_ratden = {
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.num_min = 44100,
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.num_max = 44100,
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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 toneport_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_S16_LE,
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.rates = SNDRV_PCM_RATE_KNOT,
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.rate_min = 44100,
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.rate_max = 44100,
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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_S16_LE,
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.rates = SNDRV_PCM_RATE_KNOT,
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.rate_min = 44100,
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.rate_max = 44100,
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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 = &toneport_ratden},
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.bytes_per_channel = 2
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};
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static const struct {
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const char *name;
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int code;
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} toneport_source_info[] = {
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{"Microphone", 0x0a01},
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{"Line", 0x0801},
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{"Instrument", 0x0b01},
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{"Inst & Mic", 0x0901}
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};
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static int toneport_send_cmd(struct usb_device *usbdev, int cmd1, int cmd2)
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{
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int ret;
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ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67,
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USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
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cmd1, cmd2, NULL, 0, LINE6_TIMEOUT * HZ);
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if (ret < 0) {
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dev_err(&usbdev->dev, "send failed (error %d)\n", ret);
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return ret;
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}
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return 0;
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}
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/* monitor info callback */
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static int snd_toneport_monitor_info(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 1;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = 256;
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return 0;
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}
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/* monitor get callback */
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static int snd_toneport_monitor_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
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ucontrol->value.integer.value[0] = line6pcm->volume_monitor;
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return 0;
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}
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/* monitor put callback */
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static int snd_toneport_monitor_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
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int err;
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if (ucontrol->value.integer.value[0] == line6pcm->volume_monitor)
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return 0;
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line6pcm->volume_monitor = ucontrol->value.integer.value[0];
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if (line6pcm->volume_monitor > 0) {
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err = line6_pcm_acquire(line6pcm, LINE6_STREAM_MONITOR, true);
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if (err < 0) {
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line6pcm->volume_monitor = 0;
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line6_pcm_release(line6pcm, LINE6_STREAM_MONITOR);
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return err;
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}
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} else {
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line6_pcm_release(line6pcm, LINE6_STREAM_MONITOR);
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}
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return 1;
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}
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/* source info callback */
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static int snd_toneport_source_info(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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const int size = ARRAY_SIZE(toneport_source_info);
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uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
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uinfo->count = 1;
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uinfo->value.enumerated.items = size;
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if (uinfo->value.enumerated.item >= size)
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uinfo->value.enumerated.item = size - 1;
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strcpy(uinfo->value.enumerated.name,
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toneport_source_info[uinfo->value.enumerated.item].name);
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return 0;
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}
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/* source get callback */
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static int snd_toneport_source_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
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struct usb_line6_toneport *toneport = line6_to_toneport(line6pcm->line6);
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ucontrol->value.enumerated.item[0] = toneport->source;
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return 0;
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}
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/* source put callback */
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static int snd_toneport_source_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
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struct usb_line6_toneport *toneport = line6_to_toneport(line6pcm->line6);
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unsigned int source;
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source = ucontrol->value.enumerated.item[0];
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if (source >= ARRAY_SIZE(toneport_source_info))
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return -EINVAL;
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if (source == toneport->source)
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return 0;
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toneport->source = source;
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toneport_send_cmd(toneport->line6.usbdev,
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toneport_source_info[source].code, 0x0000);
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return 1;
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}
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static void toneport_startup(struct usb_line6 *line6)
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{
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line6_pcm_acquire(line6->line6pcm, LINE6_STREAM_MONITOR, true);
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}
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/* control definition */
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static const struct snd_kcontrol_new toneport_control_monitor = {
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Monitor Playback Volume",
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.index = 0,
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
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.info = snd_toneport_monitor_info,
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.get = snd_toneport_monitor_get,
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.put = snd_toneport_monitor_put
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};
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/* source selector definition */
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static const struct snd_kcontrol_new toneport_control_source = {
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "PCM Capture Source",
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.index = 0,
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
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.info = snd_toneport_source_info,
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.get = snd_toneport_source_get,
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.put = snd_toneport_source_put
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};
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/*
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For the led on Guitarport.
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Brightness goes from 0x00 to 0x26. Set a value above this to have led
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blink.
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(void cmd_0x02(byte red, byte green)
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*/
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static bool toneport_has_led(struct usb_line6_toneport *toneport)
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{
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switch (toneport->type) {
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case LINE6_GUITARPORT:
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case LINE6_TONEPORT_GX:
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/* add your device here if you are missing support for the LEDs */
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return true;
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default:
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return false;
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}
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}
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static const char * const toneport_led_colors[2] = { "red", "green" };
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static const int toneport_led_init_vals[2] = { 0x00, 0x26 };
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static void toneport_update_led(struct usb_line6_toneport *toneport)
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{
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toneport_send_cmd(toneport->line6.usbdev,
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(toneport->leds[0].dev.brightness << 8) | 0x0002,
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toneport->leds[1].dev.brightness);
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}
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static void toneport_led_brightness_set(struct led_classdev *led_cdev,
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enum led_brightness brightness)
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{
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struct toneport_led *leds =
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container_of(led_cdev, struct toneport_led, dev);
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toneport_update_led(leds->toneport);
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}
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static int toneport_init_leds(struct usb_line6_toneport *toneport)
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{
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struct device *dev = &toneport->line6.usbdev->dev;
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int i, err;
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for (i = 0; i < 2; i++) {
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struct toneport_led *led = &toneport->leds[i];
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struct led_classdev *leddev = &led->dev;
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led->toneport = toneport;
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snprintf(led->name, sizeof(led->name), "%s::%s",
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dev_name(dev), toneport_led_colors[i]);
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leddev->name = led->name;
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leddev->brightness = toneport_led_init_vals[i];
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leddev->max_brightness = 0x26;
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leddev->brightness_set = toneport_led_brightness_set;
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err = led_classdev_register(dev, leddev);
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if (err)
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return err;
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led->registered = true;
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}
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return 0;
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}
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static void toneport_remove_leds(struct usb_line6_toneport *toneport)
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{
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struct toneport_led *led;
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int i;
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for (i = 0; i < 2; i++) {
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led = &toneport->leds[i];
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if (!led->registered)
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break;
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led_classdev_unregister(&led->dev);
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led->registered = false;
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}
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}
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static bool toneport_has_source_select(struct usb_line6_toneport *toneport)
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{
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switch (toneport->type) {
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case LINE6_TONEPORT_UX1:
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case LINE6_TONEPORT_UX2:
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case LINE6_PODSTUDIO_UX1:
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case LINE6_PODSTUDIO_UX2:
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return true;
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default:
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return false;
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}
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}
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/*
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Setup Toneport device.
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*/
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static int toneport_setup(struct usb_line6_toneport *toneport)
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{
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u32 *ticks;
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struct usb_line6 *line6 = &toneport->line6;
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struct usb_device *usbdev = line6->usbdev;
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ticks = kmalloc(sizeof(*ticks), GFP_KERNEL);
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if (!ticks)
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return -ENOMEM;
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/* sync time on device with host: */
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/* note: 32-bit timestamps overflow in year 2106 */
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*ticks = (u32)ktime_get_real_seconds();
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line6_write_data(line6, 0x80c6, ticks, 4);
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kfree(ticks);
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/* enable device: */
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toneport_send_cmd(usbdev, 0x0301, 0x0000);
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/* initialize source select: */
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if (toneport_has_source_select(toneport))
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toneport_send_cmd(usbdev,
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toneport_source_info[toneport->source].code,
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0x0000);
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if (toneport_has_led(toneport))
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toneport_update_led(toneport);
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schedule_delayed_work(&toneport->line6.startup_work,
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msecs_to_jiffies(TONEPORT_PCM_DELAY * 1000));
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return 0;
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}
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/*
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Toneport device disconnected.
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*/
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static void line6_toneport_disconnect(struct usb_line6 *line6)
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{
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struct usb_line6_toneport *toneport = line6_to_toneport(line6);
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if (toneport_has_led(toneport))
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toneport_remove_leds(toneport);
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}
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/*
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Try to init Toneport device.
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*/
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static int toneport_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_toneport *toneport = line6_to_toneport(line6);
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toneport->type = id->driver_info;
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line6->disconnect = line6_toneport_disconnect;
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line6->startup = toneport_startup;
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/* initialize PCM subsystem: */
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err = line6_init_pcm(line6, &toneport_pcm_properties);
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if (err < 0)
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return err;
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/* register monitor control: */
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err = snd_ctl_add(line6->card,
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snd_ctl_new1(&toneport_control_monitor,
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line6->line6pcm));
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if (err < 0)
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return err;
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/* register source select control: */
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if (toneport_has_source_select(toneport)) {
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err =
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snd_ctl_add(line6->card,
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snd_ctl_new1(&toneport_control_source,
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line6->line6pcm));
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if (err < 0)
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return err;
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}
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line6_read_serial_number(line6, &toneport->serial_number);
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line6_read_data(line6, 0x80c2, &toneport->firmware_version, 1);
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if (toneport_has_led(toneport)) {
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err = toneport_init_leds(toneport);
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if (err < 0)
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return err;
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}
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err = toneport_setup(toneport);
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if (err)
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return err;
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/* register audio system: */
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return snd_card_register(line6->card);
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}
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#ifdef CONFIG_PM
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/*
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Resume Toneport device after reset.
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*/
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static int toneport_reset_resume(struct usb_interface *interface)
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{
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int err;
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err = toneport_setup(usb_get_intfdata(interface));
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if (err)
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return err;
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return line6_resume(interface);
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}
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#endif
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#define LINE6_DEVICE(prod) USB_DEVICE(0x0e41, prod)
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#define LINE6_IF_NUM(prod, n) USB_DEVICE_INTERFACE_NUMBER(0x0e41, prod, n)
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/* table of devices that work with this driver */
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static const struct usb_device_id toneport_id_table[] = {
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{ LINE6_DEVICE(0x4750), .driver_info = LINE6_GUITARPORT },
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{ LINE6_DEVICE(0x4153), .driver_info = LINE6_PODSTUDIO_GX },
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{ LINE6_DEVICE(0x4150), .driver_info = LINE6_PODSTUDIO_UX1 },
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{ LINE6_IF_NUM(0x4151, 0), .driver_info = LINE6_PODSTUDIO_UX2 },
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{ LINE6_DEVICE(0x4147), .driver_info = LINE6_TONEPORT_GX },
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{ LINE6_DEVICE(0x4141), .driver_info = LINE6_TONEPORT_UX1 },
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{ LINE6_IF_NUM(0x4142, 0), .driver_info = LINE6_TONEPORT_UX2 },
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{}
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};
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MODULE_DEVICE_TABLE(usb, toneport_id_table);
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static const struct line6_properties toneport_properties_table[] = {
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[LINE6_GUITARPORT] = {
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.id = "GuitarPort",
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.name = "GuitarPort",
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.capabilities = LINE6_CAP_PCM,
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.altsetting = 2, /* 1..4 seem to be ok */
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/* no control channel */
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.ep_audio_r = 0x82,
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.ep_audio_w = 0x01,
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},
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[LINE6_PODSTUDIO_GX] = {
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.id = "PODStudioGX",
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.name = "POD Studio GX",
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.capabilities = LINE6_CAP_PCM,
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.altsetting = 2, /* 1..4 seem to be ok */
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/* no control channel */
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.ep_audio_r = 0x82,
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.ep_audio_w = 0x01,
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},
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[LINE6_PODSTUDIO_UX1] = {
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.id = "PODStudioUX1",
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.name = "POD Studio UX1",
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.capabilities = LINE6_CAP_PCM,
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.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_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,
|
|
},
|
|
};
|
|
|
|
/*
|
|
Probe USB device.
|
|
*/
|
|
static int toneport_probe(struct usb_interface *interface,
|
|
const struct usb_device_id *id)
|
|
{
|
|
return line6_probe(interface, id, "Line6-TonePort",
|
|
&toneport_properties_table[id->driver_info],
|
|
toneport_init, sizeof(struct usb_line6_toneport));
|
|
}
|
|
|
|
static struct usb_driver toneport_driver = {
|
|
.name = KBUILD_MODNAME,
|
|
.probe = toneport_probe,
|
|
.disconnect = line6_disconnect,
|
|
#ifdef CONFIG_PM
|
|
.suspend = line6_suspend,
|
|
.resume = line6_resume,
|
|
.reset_resume = toneport_reset_resume,
|
|
#endif
|
|
.id_table = toneport_id_table,
|
|
};
|
|
|
|
module_usb_driver(toneport_driver);
|
|
|
|
MODULE_DESCRIPTION("TonePort USB driver");
|
|
MODULE_LICENSE("GPL");
|