/*
* Line 6 Linux USB driver
*
* Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
* Emil Myhrman (emil.myhrman@gmail.com)
*
* 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/wait.h>
#include <linux/usb.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/leds.h>
#include <sound/core.h>
#include <sound/control.h>
#include "capture.h"
#include "driver.h"
#include "playback.h"
enum line6_device_type {
LINE6_GUITARPORT,
LINE6_PODSTUDIO_GX,
LINE6_PODSTUDIO_UX1,
LINE6_PODSTUDIO_UX2,
LINE6_TONEPORT_GX,
LINE6_TONEPORT_UX1,
LINE6_TONEPORT_UX2,
};
struct usb_line6_toneport;
struct toneport_led {
struct led_classdev dev;
char name[64];
struct usb_line6_toneport *toneport;
bool registered;
};
struct usb_line6_toneport {
/* Generic Line 6 USB data */
struct usb_line6 line6;
/* Source selector */
int source;
/* Serial number of device */
u32 serial_number;
/* Firmware version (x 100) */
u8 firmware_version;
/* Timer for delayed PCM startup */
struct timer_list timer;
/* Device type */
enum line6_device_type type;
/* LED instances */
struct toneport_led leds[2];
};
static int toneport_send_cmd(struct usb_device *usbdev, int cmd1, int cmd2);
#define TONEPORT_PCM_DELAY 1
static struct snd_ratden toneport_ratden = {
.num_min = 44100,
.num_max = 44100,
.num_step = 1,
.den = 1
};
static struct line6_pcm_properties toneport_pcm_properties = {
.playback_hw = {
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_PAUSE |
SNDRV_PCM_INFO_SYNC_START),
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.rates = SNDRV_PCM_RATE_KNOT,
.rate_min = 44100,
.rate_max = 44100,
.channels_min = 2,
.channels_max = 2,
.buffer_bytes_max = 60000,
.period_bytes_min = 64,
.period_bytes_max = 8192,
.periods_min = 1,
.periods_max = 1024},
.capture_hw = {
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_SYNC_START),
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.rates = SNDRV_PCM_RATE_KNOT,
.rate_min = 44100,
.rate_max = 44100,
.channels_min = 2,
.channels_max = 2,
.buffer_bytes_max = 60000,
.period_bytes_min = 64,
.period_bytes_max = 8192,
.periods_min = 1,
.periods_max = 1024},
.rates = {
.nrats = 1,
.rats = &toneport_ratden},
.bytes_per_frame = 4
};
static const struct {
const char *name;
int code;
} toneport_source_info[] = {
{"Microphone", 0x0a01},
{"Line", 0x0801},
{"Instrument", 0x0b01},
{"Inst & Mic", 0x0901}
};
static int toneport_send_cmd(struct usb_device *usbdev, int cmd1, int cmd2)
{
int ret;
ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
cmd1, cmd2, NULL, 0, LINE6_TIMEOUT * HZ);
if (ret < 0) {
dev_err(&usbdev->dev, "send failed (error %d)\n", ret);
return ret;
}
return 0;
}
/* monitor info callback */
static int snd_toneport_monitor_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = 256;
return 0;
}
/* monitor get callback */
static int snd_toneport_monitor_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
ucontrol->value.integer.value[0] = line6pcm->volume_monitor;
return 0;
}
/* monitor put callback */
static int snd_toneport_monitor_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
int err;
if (ucontrol->value.integer.value[0] == line6pcm->volume_monitor)
return 0;
line6pcm->volume_monitor = ucontrol->value.integer.value[0];
if (line6pcm->volume_monitor > 0) {
err = line6_pcm_acquire(line6pcm, LINE6_STREAM_MONITOR);
if (err < 0) {
line6pcm->volume_monitor = 0;
line6_pcm_release(line6pcm, LINE6_STREAM_MONITOR);
return err;
}
} else {
line6_pcm_release(line6pcm, LINE6_STREAM_MONITOR);
}
return 1;
}
/* source info callback */
static int snd_toneport_source_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
const int size = ARRAY_SIZE(toneport_source_info);
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 1;
uinfo->value.enumerated.items = size;
if (uinfo->value.enumerated.item >= size)
uinfo->value.enumerated.item = size - 1;
strcpy(uinfo->value.enumerated.name,
toneport_source_info[uinfo->value.enumerated.item].name);
return 0;
}
/* source get callback */
static int snd_toneport_source_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
struct usb_line6_toneport *toneport =
(struct usb_line6_toneport *)line6pcm->line6;
ucontrol->value.enumerated.item[0] = toneport->source;
return 0;
}
/* source put callback */
static int snd_toneport_source_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
struct usb_line6_toneport *toneport =
(struct usb_line6_toneport *)line6pcm->line6;
unsigned int source;
source = ucontrol->value.enumerated.item[0];
if (source >= ARRAY_SIZE(toneport_source_info))
return -EINVAL;
if (source == toneport->source)
return 0;
toneport->source = source;
toneport_send_cmd(toneport->line6.usbdev,
toneport_source_info[source].code, 0x0000);
return 1;
}
static void toneport_start_pcm(unsigned long arg)
{
struct usb_line6_toneport *toneport = (struct usb_line6_toneport *)arg;
struct usb_line6 *line6 = &toneport->line6;
line6_pcm_acquire(line6->line6pcm, LINE6_STREAM_MONITOR);
}
/* control definition */
static struct snd_kcontrol_new toneport_control_monitor = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Monitor Playback Volume",
.index = 0,
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
.info = snd_toneport_monitor_info,
.get = snd_toneport_monitor_get,
.put = snd_toneport_monitor_put
};
/* source selector definition */
static struct snd_kcontrol_new toneport_control_source = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "PCM Capture Source",
.index = 0,
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
.info = snd_toneport_source_info,
.get = snd_toneport_source_get,
.put = snd_toneport_source_put
};
/*
For the led on Guitarport.
Brightness goes from 0x00 to 0x26. Set a value above this to have led
blink.
(void cmd_0x02(byte red, byte green)
*/
static bool toneport_has_led(struct usb_line6_toneport *toneport)
{
switch (toneport->type) {
case LINE6_GUITARPORT:
case LINE6_TONEPORT_GX:
/* add your device here if you are missing support for the LEDs */
return true;
default:
return false;
}
}
static const char * const led_colors[2] = { "red", "green" };
static const int led_init_vals[2] = { 0x00, 0x26 };
static void toneport_update_led(struct usb_line6_toneport *toneport)
{
toneport_send_cmd(toneport->line6.usbdev,
(toneport->leds[0].dev.brightness << 8) | 0x0002,
toneport->leds[1].dev.brightness);
}
static void toneport_led_brightness_set(struct led_classdev *led_cdev,
enum led_brightness brightness)
{
struct toneport_led *leds =
container_of(led_cdev, struct toneport_led, dev);
toneport_update_led(leds->toneport);
}
static int toneport_init_leds(struct usb_line6_toneport *toneport)
{
struct device *dev = &toneport->line6.usbdev->dev;
int i, err;
for (i = 0; i < 2; i++) {
struct toneport_led *led = &toneport->leds[i];
struct led_classdev *leddev = &led->dev;
led->toneport = toneport;
snprintf(led->name, sizeof(led->name), "%s::%s",
dev_name(dev), led_colors[i]);
leddev->name = led->name;
leddev->brightness = led_init_vals[i];
leddev->max_brightness = 0x26;
leddev->brightness_set = toneport_led_brightness_set;
err = led_classdev_register(dev, leddev);
if (err)
return err;
led->registered = true;
}
return 0;
}
static void toneport_remove_leds(struct usb_line6_toneport *toneport)
{
struct toneport_led *led;
int i;
for (i = 0; i < 2; i++) {
led = &toneport->leds[i];
if (!led->registered)
break;
led_classdev_unregister(&led->dev);
led->registered = false;
}
}
static bool toneport_has_source_select(struct usb_line6_toneport *toneport)
{
switch (toneport->type) {
case LINE6_TONEPORT_UX1:
case LINE6_TONEPORT_UX2:
case LINE6_PODSTUDIO_UX1:
case LINE6_PODSTUDIO_UX2:
return true;
default:
return false;
}
}
/*
Setup Toneport device.
*/
static void toneport_setup(struct usb_line6_toneport *toneport)
{
int ticks;
struct usb_line6 *line6 = &toneport->line6;
struct usb_device *usbdev = line6->usbdev;
/* sync time on device with host: */
ticks = (int)get_seconds();
line6_write_data(line6, 0x80c6, &ticks, 4);
/* enable device: */
toneport_send_cmd(usbdev, 0x0301, 0x0000);
/* initialize source select: */
if (toneport_has_source_select(toneport))
toneport_send_cmd(usbdev,
toneport_source_info[toneport->source].code,
0x0000);
if (toneport_has_led(toneport))
toneport_update_led(toneport);
mod_timer(&toneport->timer, jiffies + TONEPORT_PCM_DELAY * HZ);
}
/*
Toneport device disconnected.
*/
static void line6_toneport_disconnect(struct usb_line6 *line6)
{
struct usb_line6_toneport *toneport =
(struct usb_line6_toneport *)line6;
del_timer_sync(&toneport->timer);
if (toneport_has_led(toneport))
toneport_remove_leds(toneport);
}
/*
Try to init Toneport device.
*/
static int toneport_init(struct usb_line6 *line6,
const struct usb_device_id *id)
{
int err;
struct usb_line6_toneport *toneport = (struct usb_line6_toneport *) line6;
toneport->type = id->driver_info;
setup_timer(&toneport->timer, toneport_start_pcm,
(unsigned long)toneport);
line6->disconnect = line6_toneport_disconnect;
/* initialize PCM subsystem: */
err = line6_init_pcm(line6, &toneport_pcm_properties);
if (err < 0)
return err;
/* register monitor control: */
err = snd_ctl_add(line6->card,
snd_ctl_new1(&toneport_control_monitor,
line6->line6pcm));
if (err < 0)
return err;
/* register source select control: */
if (toneport_has_source_select(toneport)) {
err =
snd_ctl_add(line6->card,
snd_ctl_new1(&toneport_control_source,
line6->line6pcm));
if (err < 0)
return err;
}
line6_read_serial_number(line6, &toneport->serial_number);
line6_read_data(line6, 0x80c2, &toneport->firmware_version, 1);
if (toneport_has_led(toneport)) {
err = toneport_init_leds(toneport);
if (err < 0)
return err;
}
toneport_setup(toneport);
/* register audio system: */
return snd_card_register(line6->card);
}
#ifdef CONFIG_PM
/*
Resume Toneport device after reset.
*/
static int toneport_reset_resume(struct usb_interface *interface)
{
toneport_setup(usb_get_intfdata(interface));
return line6_resume(interface);
}
#endif
#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 toneport_id_table[] = {
{ LINE6_DEVICE(0x4750), .driver_info = LINE6_GUITARPORT },
{ 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(0x4147), .driver_info = LINE6_TONEPORT_GX },
{ LINE6_DEVICE(0x4141), .driver_info = LINE6_TONEPORT_UX1 },
{ LINE6_IF_NUM(0x4142, 0), .driver_info = LINE6_TONEPORT_UX2 },
{}
};
MODULE_DEVICE_TABLE(usb, toneport_id_table);
static const struct line6_properties toneport_properties_table[] = {
[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_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_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");
