From c464a6572ecbdfefa9419ea1ed3ca764e0fc1929 Mon Sep 17 00:00:00 2001 From: hselasky Date: Tue, 14 Mar 2017 15:21:41 +0000 Subject: [PATCH] MFC r312338: Add USB audio support for S/PDIF output with C-Media CM6206 devices. Submitted by: Julien Nadeau PR: 216131 git-svn-id: svn://svn.freebsd.org/base/stable/10@315249 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f --- share/man/man4/usb_quirk.4 | 6 +++- sys/dev/sound/usb/uaudio.c | 60 +++++++++++++++++++++++++++++++++++ sys/dev/usb/quirk/usb_quirk.c | 2 ++ sys/dev/usb/quirk/usb_quirk.h | 1 + sys/dev/usb/usbdevs | 3 ++ 5 files changed, 71 insertions(+), 1 deletion(-) diff --git a/share/man/man4/usb_quirk.4 b/share/man/man4/usb_quirk.4 index f2074664c..7be47a2b3 100644 --- a/share/man/man4/usb_quirk.4 +++ b/share/man/man4/usb_quirk.4 @@ -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 diff --git a/sys/dev/sound/usb/uaudio.c b/sys/dev/sound/usb/uaudio.c index 1a530f20a..13739010e 100644 --- a/sys/dev/sound/usb/uaudio.c +++ b/sys/dev/sound/usb/uaudio.c @@ -343,6 +343,11 @@ 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; @@ -360,6 +365,7 @@ 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; @@ -891,6 +897,46 @@ 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) { @@ -925,6 +971,12 @@ 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); @@ -1061,6 +1113,11 @@ 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: @@ -1145,6 +1202,9 @@ 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); diff --git a/sys/dev/usb/quirk/usb_quirk.c b/sys/dev/usb/quirk/usb_quirk.c index 3fddd6608..3493d01cc 100644 --- a/sys/dev/usb/quirk/usb_quirk.c +++ b/sys/dev/usb/quirk/usb_quirk.c @@ -518,6 +518,7 @@ 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 @@ -604,6 +605,7 @@ 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", }; /*------------------------------------------------------------------------* diff --git a/sys/dev/usb/quirk/usb_quirk.h b/sys/dev/usb/quirk/usb_quirk.h index 7010916c4..f7e490ceb 100644 --- a/sys/dev/usb/quirk/usb_quirk.h +++ b/sys/dev/usb/quirk/usb_quirk.h @@ -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 }; diff --git a/sys/dev/usb/usbdevs b/sys/dev/usb/usbdevs index 0cae6a284..bd47f01f3 100644 --- a/sys/dev/usb/usbdevs +++ b/sys/dev/usb/usbdevs @@ -1438,6 +1438,9 @@ 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 -- 2.42.0