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Add M2Tech hiFace USB-SPDIF driver
Add driver for M2Tech hiFace USB-SPDIF interface and compatible devices. M2Tech hiFace and compatible devices offer a Hi-End S/PDIF Output Interface, see http://www.m2tech.biz/hiface.html The supported products are: * M2Tech Young * M2Tech hiFace * M2Tech North Star * M2Tech W4S Young * M2Tech Corrson * M2Tech AUDIA * M2Tech SL Audio * M2Tech Empirical * M2Tech Rockna * M2Tech Pathos * M2Tech Metronome * M2Tech CAD * M2Tech Audio Esclusive * M2Tech Rotel * M2Tech Eeaudio * The Chord Company CHORD * AVA Group A/S Vitus Signed-off-by: Antonio Ospite <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
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‎sound/usb/Kconfig

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@@ -115,5 +115,36 @@ config SND_USB_6FIRE
115115
and further help can be found at
116116
http://sixfireusb.sourceforge.net
117117

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config SND_USB_HIFACE
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tristate "M2Tech hiFace USB-SPDIF driver"
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select SND_PCM
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help
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Select this option to include support for M2Tech hiFace USB-SPDIF
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interface.
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This driver supports the original M2Tech hiFace and some other
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compatible devices. The supported products are:
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* M2Tech Young
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* M2Tech hiFace
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* M2Tech North Star
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* M2Tech W4S Young
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* M2Tech Corrson
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* M2Tech AUDIA
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* M2Tech SL Audio
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* M2Tech Empirical
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* M2Tech Rockna
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* M2Tech Pathos
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* M2Tech Metronome
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* M2Tech CAD
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* M2Tech Audio Esclusive
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* M2Tech Rotel
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* M2Tech Eeaudio
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* The Chord Company CHORD
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* AVA Group A/S Vitus
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To compile this driver as a module, choose M here: the module
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will be called snd-usb-hiface.
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118149
endif # SND_USB
119150

‎sound/usb/Makefile

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@@ -23,4 +23,4 @@ obj-$(CONFIG_SND_USB_UA101) += snd-usbmidi-lib.o
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obj-$(CONFIG_SND_USB_USX2Y) += snd-usbmidi-lib.o
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obj-$(CONFIG_SND_USB_US122L) += snd-usbmidi-lib.o
2525

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obj-$(CONFIG_SND) += misc/ usx2y/ caiaq/ 6fire/
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obj-$(CONFIG_SND) += misc/ usx2y/ caiaq/ 6fire/ hiface/

‎sound/usb/hiface/Makefile

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@@ -0,0 +1,2 @@
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snd-usb-hiface-objs := chip.o pcm.o
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obj-$(CONFIG_SND_USB_HIFACE) += snd-usb-hiface.o

‎sound/usb/hiface/chip.c

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/*
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* Linux driver for M2Tech hiFace compatible devices
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*
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* Copyright 2012-2013 (C) M2TECH S.r.l and Amarula Solutions B.V.
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*
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* Authors: Michael Trimarchi <[email protected]>
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* Antonio Ospite <[email protected]>
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*
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* The driver is based on the work done in TerraTec DMX 6Fire USB
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <sound/initval.h>
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#include "chip.h"
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#include "pcm.h"
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MODULE_AUTHOR("Michael Trimarchi <[email protected]>");
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MODULE_AUTHOR("Antonio Ospite <[email protected]>");
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MODULE_DESCRIPTION("M2Tech hiFace USB-SPDIF audio driver");
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MODULE_LICENSE("GPL v2");
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MODULE_SUPPORTED_DEVICE("{{M2Tech,Young},"
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"{M2Tech,hiFace},"
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"{M2Tech,North Star},"
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"{M2Tech,W4S Young},"
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"{M2Tech,Corrson},"
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"{M2Tech,AUDIA},"
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"{M2Tech,SL Audio},"
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"{M2Tech,Empirical},"
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"{M2Tech,Rockna},"
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"{M2Tech,Pathos},"
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"{M2Tech,Metronome},"
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"{M2Tech,CAD},"
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"{M2Tech,Audio Esclusive},"
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"{M2Tech,Rotel},"
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"{M2Tech,Eeaudio},"
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"{The Chord Company,CHORD},"
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"{AVA Group A/S,Vitus}}");
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static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */
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static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for card */
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static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
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#define DRIVER_NAME "snd-usb-hiface"
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#define CARD_NAME "hiFace"
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module_param_array(index, int, NULL, 0444);
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MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard.");
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module_param_array(id, charp, NULL, 0444);
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MODULE_PARM_DESC(id, "ID string for " CARD_NAME " soundcard.");
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module_param_array(enable, bool, NULL, 0444);
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MODULE_PARM_DESC(enable, "Enable " CARD_NAME " soundcard.");
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static DEFINE_MUTEX(register_mutex);
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struct hiface_vendor_quirk {
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const char *device_name;
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u8 extra_freq;
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};
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static int hiface_chip_create(struct usb_device *device, int idx,
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const struct hiface_vendor_quirk *quirk,
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struct hiface_chip **rchip)
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{
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struct snd_card *card = NULL;
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struct hiface_chip *chip;
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int ret;
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int len;
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*rchip = NULL;
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/* if we are here, card can be registered in alsa. */
79+
ret = snd_card_create(index[idx], id[idx], THIS_MODULE, sizeof(*chip), &card);
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if (ret < 0) {
81+
dev_err(&device->dev, "cannot create alsa card.\n");
82+
return ret;
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}
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strlcpy(card->driver, DRIVER_NAME, sizeof(card->driver));
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if (quirk && quirk->device_name)
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strlcpy(card->shortname, quirk->device_name, sizeof(card->shortname));
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else
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strlcpy(card->shortname, "M2Tech generic audio", sizeof(card->shortname));
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strlcat(card->longname, card->shortname, sizeof(card->longname));
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len = strlcat(card->longname, " at ", sizeof(card->longname));
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if (len < sizeof(card->longname))
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usb_make_path(device, card->longname + len,
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sizeof(card->longname) - len);
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chip = card->private_data;
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chip->dev = device;
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chip->card = card;
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*rchip = chip;
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return 0;
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}
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static int hiface_chip_probe(struct usb_interface *intf,
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const struct usb_device_id *usb_id)
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{
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const struct hiface_vendor_quirk *quirk = (struct hiface_vendor_quirk *)usb_id->driver_info;
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int ret;
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int i;
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struct hiface_chip *chip;
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struct usb_device *device = interface_to_usbdev(intf);
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ret = usb_set_interface(device, 0, 0);
116+
if (ret != 0) {
117+
dev_err(&device->dev, "can't set first interface for " CARD_NAME " device.\n");
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return -EIO;
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}
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/* check whether the card is already registered */
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chip = NULL;
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mutex_lock(&register_mutex);
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for (i = 0; i < SNDRV_CARDS; i++)
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if (enable[i])
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break;
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if (i >= SNDRV_CARDS) {
130+
dev_err(&device->dev, "no available " CARD_NAME " audio device\n");
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ret = -ENODEV;
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goto err;
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}
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ret = hiface_chip_create(device, i, quirk, &chip);
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if (ret < 0)
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goto err;
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snd_card_set_dev(chip->card, &intf->dev);
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ret = hiface_pcm_init(chip, quirk ? quirk->extra_freq : 0);
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if (ret < 0)
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goto err_chip_destroy;
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ret = snd_card_register(chip->card);
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if (ret < 0) {
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dev_err(&device->dev, "cannot register " CARD_NAME " card\n");
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goto err_chip_destroy;
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}
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mutex_unlock(&register_mutex);
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usb_set_intfdata(intf, chip);
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return 0;
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err_chip_destroy:
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snd_card_free(chip->card);
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err:
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mutex_unlock(&register_mutex);
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return ret;
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}
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static void hiface_chip_disconnect(struct usb_interface *intf)
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{
165+
struct hiface_chip *chip;
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struct snd_card *card;
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chip = usb_get_intfdata(intf);
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if (!chip)
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return;
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card = chip->card;
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/* Make sure that the userspace cannot create new request */
175+
snd_card_disconnect(card);
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hiface_pcm_abort(chip);
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snd_card_free_when_closed(card);
179+
}
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static const struct usb_device_id device_table[] = {
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{
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USB_DEVICE(0x04b4, 0x0384),
184+
.driver_info = (unsigned long)&(const struct hiface_vendor_quirk) {
185+
.device_name = "Young",
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.extra_freq = 1,
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}
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},
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{
190+
USB_DEVICE(0x04b4, 0x930b),
191+
.driver_info = (unsigned long)&(const struct hiface_vendor_quirk) {
192+
.device_name = "hiFace",
193+
}
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},
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{
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USB_DEVICE(0x04b4, 0x931b),
197+
.driver_info = (unsigned long)&(const struct hiface_vendor_quirk) {
198+
.device_name = "North Star",
199+
}
200+
},
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{
202+
USB_DEVICE(0x04b4, 0x931c),
203+
.driver_info = (unsigned long)&(const struct hiface_vendor_quirk) {
204+
.device_name = "W4S Young",
205+
}
206+
},
207+
{
208+
USB_DEVICE(0x04b4, 0x931d),
209+
.driver_info = (unsigned long)&(const struct hiface_vendor_quirk) {
210+
.device_name = "Corrson",
211+
}
212+
},
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{
214+
USB_DEVICE(0x04b4, 0x931e),
215+
.driver_info = (unsigned long)&(const struct hiface_vendor_quirk) {
216+
.device_name = "AUDIA",
217+
}
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},
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{
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USB_DEVICE(0x04b4, 0x931f),
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.driver_info = (unsigned long)&(const struct hiface_vendor_quirk) {
222+
.device_name = "SL Audio",
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}
224+
},
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{
226+
USB_DEVICE(0x04b4, 0x9320),
227+
.driver_info = (unsigned long)&(const struct hiface_vendor_quirk) {
228+
.device_name = "Empirical",
229+
}
230+
},
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{
232+
USB_DEVICE(0x04b4, 0x9321),
233+
.driver_info = (unsigned long)&(const struct hiface_vendor_quirk) {
234+
.device_name = "Rockna",
235+
}
236+
},
237+
{
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USB_DEVICE(0x249c, 0x9001),
239+
.driver_info = (unsigned long)&(const struct hiface_vendor_quirk) {
240+
.device_name = "Pathos",
241+
}
242+
},
243+
{
244+
USB_DEVICE(0x249c, 0x9002),
245+
.driver_info = (unsigned long)&(const struct hiface_vendor_quirk) {
246+
.device_name = "Metronome",
247+
}
248+
},
249+
{
250+
USB_DEVICE(0x249c, 0x9006),
251+
.driver_info = (unsigned long)&(const struct hiface_vendor_quirk) {
252+
.device_name = "CAD",
253+
}
254+
},
255+
{
256+
USB_DEVICE(0x249c, 0x9008),
257+
.driver_info = (unsigned long)&(const struct hiface_vendor_quirk) {
258+
.device_name = "Audio Esclusive",
259+
}
260+
},
261+
{
262+
USB_DEVICE(0x249c, 0x931c),
263+
.driver_info = (unsigned long)&(const struct hiface_vendor_quirk) {
264+
.device_name = "Rotel",
265+
}
266+
},
267+
{
268+
USB_DEVICE(0x249c, 0x932c),
269+
.driver_info = (unsigned long)&(const struct hiface_vendor_quirk) {
270+
.device_name = "Eeaudio",
271+
}
272+
},
273+
{
274+
USB_DEVICE(0x245f, 0x931c),
275+
.driver_info = (unsigned long)&(const struct hiface_vendor_quirk) {
276+
.device_name = "CHORD",
277+
}
278+
},
279+
{
280+
USB_DEVICE(0x25c6, 0x9002),
281+
.driver_info = (unsigned long)&(const struct hiface_vendor_quirk) {
282+
.device_name = "Vitus",
283+
}
284+
},
285+
{}
286+
};
287+
288+
MODULE_DEVICE_TABLE(usb, device_table);
289+
290+
static struct usb_driver hiface_usb_driver = {
291+
.name = DRIVER_NAME,
292+
.probe = hiface_chip_probe,
293+
.disconnect = hiface_chip_disconnect,
294+
.id_table = device_table,
295+
};
296+
297+
module_usb_driver(hiface_usb_driver);

‎sound/usb/hiface/chip.h

Lines changed: 30 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,30 @@
1+
/*
2+
* Linux driver for M2Tech hiFace compatible devices
3+
*
4+
* Copyright 2012-2013 (C) M2TECH S.r.l and Amarula Solutions B.V.
5+
*
6+
* Authors: Michael Trimarchi <[email protected]>
7+
* Antonio Ospite <[email protected]>
8+
*
9+
* The driver is based on the work done in TerraTec DMX 6Fire USB
10+
*
11+
* This program is free software; you can redistribute it and/or modify
12+
* it under the terms of the GNU General Public License as published by
13+
* the Free Software Foundation; either version 2 of the License, or
14+
* (at your option) any later version.
15+
*/
16+
17+
#ifndef HIFACE_CHIP_H
18+
#define HIFACE_CHIP_H
19+
20+
#include <linux/usb.h>
21+
#include <sound/core.h>
22+
23+
struct pcm_runtime;
24+
25+
struct hiface_chip {
26+
struct usb_device *dev;
27+
struct snd_card *card;
28+
struct pcm_runtime *pcm;
29+
};
30+
#endif /* HIFACE_CHIP_H */

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