blob: eef45f7fef0db04a107de2744f49f12b99ca8aa5 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0-only
/*
* Line 6 Pod HD
*
* Copyright (C) 2011 Stefan Hajnoczi <stefanha@gmail.com>
* Copyright (C) 2015 Andrej Krutak <dev@andree.sk>
* Copyright (C) 2017 Hans P. Moller <hmoller@uc.cl>
*/
#include <linux/usb.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/pcm.h>
#include "driver.h"
#include "pcm.h"
#define PODHD_STARTUP_DELAY 500
enum {
LINE6_PODHD300,
LINE6_PODHD400,
LINE6_PODHD500,
LINE6_PODX3,
LINE6_PODX3LIVE,
LINE6_PODHD500X,
LINE6_PODHDDESKTOP
};
struct usb_line6_podhd {
/* Generic Line 6 USB data */
struct usb_line6 line6;
/* Serial number of device */
u32 serial_number;
/* Firmware version */
int firmware_version;
/* Monitor level */
int monitor_level;
};
#define line6_to_podhd(x) container_of(x, struct usb_line6_podhd, line6)
static const struct snd_ratden podhd_ratden = {
.num_min = 48000,
.num_max = 48000,
.num_step = 1,
.den = 1,
};
static struct line6_pcm_properties podhd_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_S24_3LE,
.rates = SNDRV_PCM_RATE_48000,
.rate_min = 48000,
.rate_max = 48000,
.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_S24_3LE,
.rates = SNDRV_PCM_RATE_48000,
.rate_min = 48000,
.rate_max = 48000,
.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 = &podhd_ratden},
.bytes_per_channel = 3 /* SNDRV_PCM_FMTBIT_S24_3LE */
};
static struct line6_pcm_properties podx3_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_S24_3LE,
.rates = SNDRV_PCM_RATE_48000,
.rate_min = 48000,
.rate_max = 48000,
.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_S24_3LE,
.rates = SNDRV_PCM_RATE_48000,
.rate_min = 48000,
.rate_max = 48000,
/* 1+2: Main signal (out), 3+4: Tone 1,
* 5+6: Tone 2, 7+8: raw
*/
.channels_min = 8,
.channels_max = 8,
.buffer_bytes_max = 60000,
.period_bytes_min = 64,
.period_bytes_max = 8192,
.periods_min = 1,
.periods_max = 1024},
.rates = {
.nrats = 1,
.rats = &podhd_ratden},
.bytes_per_channel = 3 /* SNDRV_PCM_FMTBIT_S24_3LE */
};
static struct usb_driver podhd_driver;
static ssize_t serial_number_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct snd_card *card = dev_to_snd_card(dev);
struct usb_line6_podhd *pod = card->private_data;
return sprintf(buf, "%u\n", pod->serial_number);
}
static ssize_t firmware_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct snd_card *card = dev_to_snd_card(dev);
struct usb_line6_podhd *pod = card->private_data;
return sprintf(buf, "%06x\n", pod->firmware_version);
}
static DEVICE_ATTR_RO(firmware_version);
static DEVICE_ATTR_RO(serial_number);
static struct attribute *podhd_dev_attrs[] = {
&dev_attr_firmware_version.attr,
&dev_attr_serial_number.attr,
NULL
};
static const struct attribute_group podhd_dev_attr_group = {
.name = "podhd",
.attrs = podhd_dev_attrs,
};
/*
* POD X3 startup procedure.
*
* May be compatible with other POD HD's, since it's also similar to the
* previous POD setup. In any case, it doesn't seem to be required for the
* audio nor bulk interfaces to work.
*/
static int podhd_dev_start(struct usb_line6_podhd *pod)
{
int ret;
u8 *init_bytes;
int i;
struct usb_device *usbdev = pod->line6.usbdev;
init_bytes = kmalloc(8, GFP_KERNEL);
if (!init_bytes)
return -ENOMEM;
ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0),
0x67, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
0x11, 0,
NULL, 0, LINE6_TIMEOUT * HZ);
if (ret < 0) {
dev_err(pod->line6.ifcdev, "read request failed (error %d)\n", ret);
goto exit;
}
/* NOTE: looks like some kind of ping message */
ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
0x11, 0x0,
init_bytes, 3, LINE6_TIMEOUT * HZ);
if (ret < 0) {
dev_err(pod->line6.ifcdev,
"receive length failed (error %d)\n", ret);
goto exit;
}
pod->firmware_version =
(init_bytes[0] << 16) | (init_bytes[1] << 8) | (init_bytes[2] << 0);
for (i = 0; i <= 16; i++) {
ret = line6_read_data(&pod->line6, 0xf000 + 0x08 * i, init_bytes, 8);
if (ret < 0)
goto exit;
}
ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0),
USB_REQ_SET_FEATURE,
USB_TYPE_STANDARD | USB_RECIP_DEVICE | USB_DIR_OUT,
1, 0,
NULL, 0, LINE6_TIMEOUT * HZ);
exit:
kfree(init_bytes);
return ret;
}
static void podhd_startup(struct usb_line6 *line6)
{
struct usb_line6_podhd *pod = line6_to_podhd(line6);
podhd_dev_start(pod);
line6_read_serial_number(&pod->line6, &pod->serial_number);
if (snd_card_register(line6->card))
dev_err(line6->ifcdev, "Failed to register POD HD card.\n");
}
static void podhd_disconnect(struct usb_line6 *line6)
{
struct usb_line6_podhd *pod = line6_to_podhd(line6);
if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL_INFO) {
struct usb_interface *intf;
intf = usb_ifnum_to_if(line6->usbdev,
pod->line6.properties->ctrl_if);
if (intf)
usb_driver_release_interface(&podhd_driver, intf);
}
}
static const unsigned int float_zero_to_one_lookup[] = {
0x00000000, 0x3c23d70a, 0x3ca3d70a, 0x3cf5c28f, 0x3d23d70a, 0x3d4ccccd,
0x3d75c28f, 0x3d8f5c29, 0x3da3d70a, 0x3db851ec, 0x3dcccccd, 0x3de147ae,
0x3df5c28f, 0x3e051eb8, 0x3e0f5c29, 0x3e19999a, 0x3e23d70a, 0x3e2e147b,
0x3e3851ec, 0x3e428f5c, 0x3e4ccccd, 0x3e570a3d, 0x3e6147ae, 0x3e6b851f,
0x3e75c28f, 0x3e800000, 0x3e851eb8, 0x3e8a3d71, 0x3e8f5c29, 0x3e947ae1,
0x3e99999a, 0x3e9eb852, 0x3ea3d70a, 0x3ea8f5c3, 0x3eae147b, 0x3eb33333,
0x3eb851ec, 0x3ebd70a4, 0x3ec28f5c, 0x3ec7ae14, 0x3ecccccd, 0x3ed1eb85,
0x3ed70a3d, 0x3edc28f6, 0x3ee147ae, 0x3ee66666, 0x3eeb851f, 0x3ef0a3d7,
0x3ef5c28f, 0x3efae148, 0x3f000000, 0x3f028f5c, 0x3f051eb8, 0x3f07ae14,
0x3f0a3d71, 0x3f0ccccd, 0x3f0f5c29, 0x3f11eb85, 0x3f147ae1, 0x3f170a3d,
0x3f19999a, 0x3f1c28f6, 0x3f1eb852, 0x3f2147ae, 0x3f23d70a, 0x3f266666,
0x3f28f5c3, 0x3f2b851f, 0x3f2e147b, 0x3f30a3d7, 0x3f333333, 0x3f35c28f,
0x3f3851ec, 0x3f3ae148, 0x3f3d70a4, 0x3f400000, 0x3f428f5c, 0x3f451eb8,
0x3f47ae14, 0x3f4a3d71, 0x3f4ccccd, 0x3f4f5c29, 0x3f51eb85, 0x3f547ae1,
0x3f570a3d, 0x3f59999a, 0x3f5c28f6, 0x3f5eb852, 0x3f6147ae, 0x3f63d70a,
0x3f666666, 0x3f68f5c3, 0x3f6b851f, 0x3f6e147b, 0x3f70a3d7, 0x3f733333,
0x3f75c28f, 0x3f7851ec, 0x3f7ae148, 0x3f7d70a4, 0x3f800000
};
static void podhd_set_monitor_level(struct usb_line6_podhd *podhd, int value)
{
unsigned int fl;
static const unsigned char msg[16] = {
/* Chunk is 0xc bytes (without first word) */
0x0c, 0x00,
/* First chunk in the message */
0x01, 0x00,
/* Message size is 2 4-byte words */
0x02, 0x00,
/* Unknown */
0x04, 0x41,
/* Unknown */
0x04, 0x00, 0x13, 0x00,
/* Volume, LE float32, 0.0 - 1.0 */
0x00, 0x00, 0x00, 0x00
};
unsigned char *buf;
buf = kmemdup(msg, sizeof(msg), GFP_KERNEL);
if (!buf)
return;
if (value < 0)
value = 0;
if (value >= ARRAY_SIZE(float_zero_to_one_lookup))
value = ARRAY_SIZE(float_zero_to_one_lookup) - 1;
fl = float_zero_to_one_lookup[value];
buf[12] = (fl >> 0) & 0xff;
buf[13] = (fl >> 8) & 0xff;
buf[14] = (fl >> 16) & 0xff;
buf[15] = (fl >> 24) & 0xff;
line6_send_raw_message(&podhd->line6, buf, sizeof(msg));
kfree(buf);
podhd->monitor_level = value;
}
/* control info callback */
static int snd_podhd_control_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 = 100;
uinfo->value.integer.step = 1;
return 0;
}
/* control get callback */
static int snd_podhd_control_monitor_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
struct usb_line6_podhd *podhd = line6_to_podhd(line6pcm->line6);
ucontrol->value.integer.value[0] = podhd->monitor_level;
return 0;
}
/* control put callback */
static int snd_podhd_control_monitor_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
struct usb_line6_podhd *podhd = line6_to_podhd(line6pcm->line6);
if (ucontrol->value.integer.value[0] == podhd->monitor_level)
return 0;
podhd_set_monitor_level(podhd, ucontrol->value.integer.value[0]);
return 1;
}
/* control definition */
static const struct snd_kcontrol_new podhd_control_monitor = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Monitor Playback Volume",
.index = 0,
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
.info = snd_podhd_control_monitor_info,
.get = snd_podhd_control_monitor_get,
.put = snd_podhd_control_monitor_put
};
/*
Try to init POD HD device.
*/
static int podhd_init(struct usb_line6 *line6,
const struct usb_device_id *id)
{
int err;
struct usb_line6_podhd *pod = line6_to_podhd(line6);
struct usb_interface *intf;
line6->disconnect = podhd_disconnect;
line6->startup = podhd_startup;
if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL) {
/* claim the data interface */
intf = usb_ifnum_to_if(line6->usbdev,
pod->line6.properties->ctrl_if);
if (!intf) {
dev_err(pod->line6.ifcdev, "interface %d not found\n",
pod->line6.properties->ctrl_if);
return -ENODEV;
}
err = usb_driver_claim_interface(&podhd_driver, intf, NULL);
if (err != 0) {
dev_err(pod->line6.ifcdev, "can't claim interface %d, error %d\n",
pod->line6.properties->ctrl_if, err);
return err;
}
}
if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL_INFO) {
/* create sysfs entries: */
err = snd_card_add_dev_attr(line6->card, &podhd_dev_attr_group);
if (err < 0)
return err;
}
if (pod->line6.properties->capabilities & LINE6_CAP_PCM) {
/* initialize PCM subsystem: */
err = line6_init_pcm(line6,
(id->driver_info == LINE6_PODX3 ||
id->driver_info == LINE6_PODX3LIVE) ? &podx3_pcm_properties :
&podhd_pcm_properties);
if (err < 0)
return err;
}
if (pod->line6.properties->capabilities & LINE6_CAP_HWMON_CTL) {
podhd_set_monitor_level(pod, 100);
err = snd_ctl_add(line6->card,
snd_ctl_new1(&podhd_control_monitor,
line6->line6pcm));
if (err < 0)
return err;
}
if (!(pod->line6.properties->capabilities & LINE6_CAP_CONTROL_INFO)) {
/* register USB audio system directly */
return snd_card_register(line6->card);
}
/* init device and delay registering */
schedule_delayed_work(&line6->startup_work,
msecs_to_jiffies(PODHD_STARTUP_DELAY));
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 },
{ 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] = {
.id = "PODHD500",
.name = "POD HD500",
.capabilities = LINE6_CAP_PCM | LINE6_CAP_CONTROL
| LINE6_CAP_HWMON | LINE6_CAP_HWMON_CTL,
.altsetting = 1,
.ctrl_if = 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");