Add USB audio support for S/PDIF output with C-Media CM6206 devices.

Submitted by:		Julien Nadeau <vedge@hypertriton.com>
PR:			216131
MFC after:		1 week
This commit is contained in:
Hans Petter Selasky 2017-01-17 08:15:10 +00:00
parent ca6e7a016c
commit 067e471a24
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=312338
5 changed files with 71 additions and 1 deletions

View file

@ -16,7 +16,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd April 4, 2016
.Dd January 17, 2017
.Dt USB_QUIRK 4
.Os
.Sh NAME
@ -52,6 +52,10 @@ input is async despite claim of adaptive
do not adjust for fractional samples
.It UQ_AU_NO_XU
audio device has broken extension unit
.It UQ_AU_VENDOR_CLASS
audio device uses vendor class to identify itself
.It UQ_AU_SET_SPDIF_CM6206
audio device needs special programming to enable S/PDIF audio output
.It UQ_BAD_ADC
bad audio spec version number
.It UQ_BAD_AUDIO

View file

@ -337,6 +337,11 @@ struct uaudio_hid {
uint8_t mute_id;
};
#define UAUDIO_SPDIF_OUT 0x01 /* Enable S/PDIF output */
#define UAUDIO_SPDIF_OUT_48K 0x02 /* Out sample rate = 48K */
#define UAUDIO_SPDIF_OUT_96K 0x04 /* Out sample rate = 96K */
#define UAUDIO_SPDIF_IN_MIX 0x10 /* Input mix enable */
struct uaudio_softc {
struct sbuf sc_sndstat;
struct sndcard_func sc_sndcard_func;
@ -354,6 +359,7 @@ struct uaudio_softc {
struct usb_xfer *sc_mixer_xfer[1];
struct uaudio_mixer_node *sc_mixer_root;
struct uaudio_mixer_node *sc_mixer_curr;
int (*sc_set_spdif_fn) (struct uaudio_softc *, int);
uint32_t sc_mix_info;
uint32_t sc_recsrc_info;
@ -885,6 +891,46 @@ uaudio_probe(device_t dev)
return (ENXIO);
}
/*
* Set Cmedia CM6206 S/PDIF settings
* Source: CM6206 Datasheet v2.3.
*/
static int
uaudio_set_spdif_cm6206(struct uaudio_softc *sc, int flags)
{
uint8_t cmd[2][4] = {
{0x20, 0x20, 0x00, 0},
{0x20, 0x30, 0x02, 1}
};
int i;
if (flags & UAUDIO_SPDIF_OUT)
cmd[1][1] = 0x00;
else
cmd[1][1] = 0x02;
if (flags & UAUDIO_SPDIF_OUT_96K)
cmd[0][1] = 0x60; /* 96K: 3'b110 */
if (flags & UAUDIO_SPDIF_IN_MIX)
cmd[1][1] = 0x03; /* SPDIFMIX */
for (i = 0; i < 2; i++) {
if (usbd_req_set_report(sc->sc_udev, NULL,
cmd[i], sizeof(cmd[0]),
sc->sc_mixer_iface_index, UHID_OUTPUT_REPORT, 0) != 0) {
return (ENXIO);
}
}
return (0);
}
static int
uaudio_set_spdif_dummy(struct uaudio_softc *sc, int flags)
{
return (0);
}
static int
uaudio_attach(device_t dev)
{
@ -919,6 +965,12 @@ uaudio_attach(device_t dev)
if (usb_test_quirk(uaa, UQ_AU_VENDOR_CLASS))
sc->sc_uq_au_vendor_class = 1;
/* set S/PDIF function */
if (usb_test_quirk(uaa, UQ_AU_SET_SPDIF_CM6206))
sc->sc_set_spdif_fn = uaudio_set_spdif_cm6206;
else
sc->sc_set_spdif_fn = uaudio_set_spdif_dummy;
umidi_init(dev);
device_set_usb_desc(dev);
@ -1055,6 +1107,11 @@ uaudio_attach(device_t dev)
/* reload all mixer settings */
uaudio_mixer_reload_all(sc);
/* enable S/PDIF output, if any */
if (sc->sc_set_spdif_fn(sc,
UAUDIO_SPDIF_OUT | UAUDIO_SPDIF_OUT_48K) != 0) {
device_printf(dev, "Failed to enable S/PDIF at 48K\n");
}
return (0); /* success */
detach:
@ -1139,6 +1196,9 @@ uaudio_detach_sub(device_t dev)
struct uaudio_softc *sc = device_get_softc(device_get_parent(dev));
int error = 0;
/* disable S/PDIF output, if any */
(void) sc->sc_set_spdif_fn(sc, 0);
repeat:
if (sc->sc_pcm_registered) {
error = pcm_unregister(dev);

View file

@ -519,6 +519,7 @@ static struct usb_quirk_entry usb_quirks[USB_DEV_QUIRKS_MAX] = {
/* Non-standard USB AUDIO devices */
USB_QUIRK(MAUDIO, FASTTRACKULTRA, 0x0000, 0xffff, UQ_AU_VENDOR_CLASS),
USB_QUIRK(MAUDIO, FASTTRACKULTRA8R, 0x0000, 0xffff, UQ_AU_VENDOR_CLASS),
USB_QUIRK(CMEDIA, CM6206, 0x0000, 0xffff, UQ_AU_SET_SPDIF_CM6206),
/*
* Quirks for manufacturers which USB devices does not respond
@ -605,6 +606,7 @@ static const char *usb_quirk_str[USB_QUIRK_MAX] = {
[UQ_AU_VENDOR_CLASS] = "UQ_AU_VENDOR_CLASS",
[UQ_SINGLE_CMD_MIDI] = "UQ_SINGLE_CMD_MIDI",
[UQ_MSC_DYMO_EJECT] = "UQ_MSC_DYMO_EJECT",
[UQ_AU_SET_SPDIF_CM6206] = "UQ_AU_SET_SPDIF_CM6206",
};
/*------------------------------------------------------------------------*

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@ -109,6 +109,7 @@ enum {
UQ_AU_VENDOR_CLASS, /* audio device uses vendor and not audio class */
UQ_SINGLE_CMD_MIDI, /* at most one command per USB packet */
UQ_MSC_DYMO_EJECT, /* ejects Dymo MSC device */
UQ_AU_SET_SPDIF_CM6206, /* enable S/PDIF audio output */
USB_QUIRK_MAX
};

View file

@ -1443,6 +1443,9 @@ product CLIPSAL 5000CT2 0x0304 5000CT2 C-Bus Touch Screen
product CLIPSAL C5000CT2 0x0305 C5000CT2 C-Bus Touch Screen
product CLIPSAL L51xx 0x0401 L51xx C-Bus Dimmer
/* C-Media products */
product CMEDIA CM6206 0x0102 CM106 compatible sound device
/* CMOTECH products */
product CMOTECH CNU510 0x5141 CDMA Technologies USB modem
product CMOTECH CNU550 0x5543 CDMA 2000 1xRTT/1xEVDO USB modem