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/*
* Line6 Linux USB driver - 0.9.1beta
*
* 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 <sound/control.h>
#include "audio.h"
#include "capture.h"
#include "driver.h"
#include "playback.h"
#include "toneport.h"
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 = {
.snd_line6_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 |
#ifdef CONFIG_PM
SNDRV_PCM_INFO_RESUME |
#endif
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},
.snd_line6_capture_hw = {
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_MMAP_VALID |
#ifdef CONFIG_PM
SNDRV_PCM_INFO_RESUME |
#endif
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},
.snd_line6_rates = {
.nrats = 1,
.rats = &toneport_ratden},
.bytes_per_frame = 4
};
/*
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 int led_red = 0x00;
static int led_green = 0x26;
static const struct {
const char *name;
int code;
} toneport_source_info[] = {
{"Microphone", 0x0a01},
{"Line", 0x0801},
{"Instrument", 0x0b01},
{"Inst & Mic", 0x0901}
};
static bool toneport_has_led(short product)
{
return
(product == LINE6_DEVID_GUITARPORT) ||
(product == LINE6_DEVID_TONEPORT_GX);
/* add your device here if you are missing support for the LEDs */
}
static void toneport_update_led(struct device *dev)
{
struct usb_interface *interface = to_usb_interface(dev);
struct usb_line6_toneport *tp = usb_get_intfdata(interface);
struct usb_line6 *line6;
if (!tp)
return;
line6 = &tp->line6;
if (line6)
toneport_send_cmd(line6->usbdev, (led_red << 8) | 0x0002,
led_green);
}
static ssize_t toneport_set_led_red(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
int retval;
retval = kstrtoint(buf, 10, &led_red);
if (retval)
return retval;
toneport_update_led(dev);
return count;
}
static ssize_t toneport_set_led_green(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
int retval;
retval = kstrtoint(buf, 10, &led_green);
if (retval)
return retval;
toneport_update_led(dev);
return count;
}
static DEVICE_ATTR(led_red, S_IWUSR | S_IRUGO, line6_nop_read,
toneport_set_led_red);
static DEVICE_ATTR(led_green, S_IWUSR | S_IRUGO, line6_nop_read,
toneport_set_led_green);
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);
if (ucontrol->value.integer.value[0] == line6pcm->volume_monitor)
return 0;
line6pcm->volume_monitor = ucontrol->value.integer.value[0];
if (line6pcm->volume_monitor > 0)
line6_pcm_acquire(line6pcm, LINE6_BITS_PCM_MONITOR);
else
line6_pcm_release(line6pcm, LINE6_BITS_PCM_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_BITS_PCM_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
};
/*
Toneport destructor.
*/
static void toneport_destruct(struct usb_interface *interface)
{
struct usb_line6_toneport *toneport = usb_get_intfdata(interface);
if (toneport == NULL)
return;
line6_cleanup_audio(&toneport->line6);
}
/*
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;
u16 idProduct = le16_to_cpu(usbdev->descriptor.idProduct);
/* 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: */
switch (le16_to_cpu(usbdev->descriptor.idProduct)) {
case LINE6_DEVID_TONEPORT_UX1:
case LINE6_DEVID_TONEPORT_UX2:
case LINE6_DEVID_PODSTUDIO_UX1:
case LINE6_DEVID_PODSTUDIO_UX2:
toneport_send_cmd(usbdev,
toneport_source_info[toneport->source].code,
0x0000);
}
if (toneport_has_led(idProduct))
toneport_update_led(&usbdev->dev);
}
/*
Try to init Toneport device.
*/
static int toneport_try_init(struct usb_interface *interface,
struct usb_line6_toneport *toneport)
{
int err;
struct usb_line6 *line6 = &toneport->line6;
struct usb_device *usbdev = line6->usbdev;
u16 idProduct = le16_to_cpu(usbdev->descriptor.idProduct);
if ((interface == NULL) || (toneport == NULL))
return -ENODEV;
/* initialize audio system: */
err = line6_init_audio(line6);
if (err < 0)
return err;
/* 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: */
switch (le16_to_cpu(usbdev->descriptor.idProduct)) {
case LINE6_DEVID_TONEPORT_UX1:
case LINE6_DEVID_TONEPORT_UX2:
case LINE6_DEVID_PODSTUDIO_UX1:
case LINE6_DEVID_PODSTUDIO_UX2:
err =
snd_ctl_add(line6->card,
snd_ctl_new1(&toneport_control_source,
line6->line6pcm));
if (err < 0)
return err;
}
/* register audio system: */
err = line6_register_audio(line6);
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(idProduct)) {
CHECK_RETURN(device_create_file
(&interface->dev, &dev_attr_led_red));
CHECK_RETURN(device_create_file
(&interface->dev, &dev_attr_led_green));
}
toneport_setup(toneport);
init_timer(&toneport->timer);
toneport->timer.expires = jiffies + TONEPORT_PCM_DELAY * HZ;
toneport->timer.function = toneport_start_pcm;
toneport->timer.data = (unsigned long)toneport;
add_timer(&toneport->timer);
return 0;
}
/*
Init Toneport device (and clean up in case of failure).
*/
int line6_toneport_init(struct usb_interface *interface,
struct usb_line6_toneport *toneport)
{
int err = toneport_try_init(interface, toneport);
if (err < 0)
toneport_destruct(interface);
return err;
}
/*
Resume Toneport device after reset.
*/
void line6_toneport_reset_resume(struct usb_line6_toneport *toneport)
{
toneport_setup(toneport);
}
/*
Toneport device disconnected.
*/
void line6_toneport_disconnect(struct usb_interface *interface)
{
struct usb_line6_toneport *toneport;
struct snd_line6_pcm *line6pcm;
u16 idProduct;
if (interface == NULL)
return;
toneport = usb_get_intfdata(interface);
if (NULL == toneport)
return;
del_timer_sync(&toneport->timer);
idProduct = le16_to_cpu(toneport->line6.usbdev->descriptor.idProduct);
if (toneport_has_led(idProduct)) {
device_remove_file(&interface->dev, &dev_attr_led_red);
device_remove_file(&interface->dev, &dev_attr_led_green);
}
line6pcm = toneport->line6.line6pcm;
if (line6pcm != NULL) {
line6_pcm_release(line6pcm, LINE6_BITS_PCM_MONITOR);
line6_pcm_disconnect(line6pcm);
}
toneport_destruct(interface);
}
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