Attachment 178945 Details for Bug 216131 – CM6206 spdif out patch

[patch] CM6206 spdif out patch

uaudio_cm6206.diff (text/plain), 2.27 KB, created by Julien Nadeau on 2017-01-16 06:44:50 UTC

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Creator: Julien Nadeau

Created: 2017-01-16 06:44:50 UTC

Size: 2.27 KB

patch

obsolete

>--- /sys/dev/sound/usb/uaudio.c	2016-12-31 23:04:35.000000000 -0400
>+++ /sys/dev/sound/usb/uaudio.c	2017-01-16 02:41:05.088974000 -0400
>@@ -313,6 +313,11 @@
> 	uint8_t mute_id;
> };
> 
>+#define UAUDIO_SPDIF_OUT	0x01		/* Enable SPDIF 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;
>@@ -349,6 +354,8 @@
> 	uint8_t	sc_uq_bad_adc:1;
> 	uint8_t	sc_uq_au_vendor_class:1;
> 	uint8_t	sc_pcm_bitperfect:1;
>+
>+	int (*sc_set_spdif_fn)(struct uaudio_softc *, int);
> };
> 
> struct uaudio_terminal_node {
>@@ -861,6 +868,40 @@
> 	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)
>+{
>+	u_int8_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[i]),
>+		    sc->sc_mixer_iface_index, UHID_OUTPUT_REPORT, 0) != 0) {
>+			return (-1);
>+		}
>+	}
>+	return (0);
>+}
>+
>+
> static int
> uaudio_attach(device_t dev)
> {
>@@ -1031,6 +1072,18 @@
> 	/* reload all mixer settings */
> 	uaudio_mixer_reload_all(sc);
> 
>+	/* Enable SPDIF output */
>+	if (uaa->info.idVendor == USB_VENDOR_CMEDIA &&
>+	    (uaa->info.idProduct == USB_PRODUCT_CMEDIA_CM6206)) {
>+		device_printf(dev, "C-Media CM6206\n");
>+		sc->sc_set_spdif_fn = uaudio_set_spdif_cm6206;
>+		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");
>+	} else {
>+		sc->sc_set_spdif_fn = NULL;
>+	}
>+
> 	return (0);			/* success */
> 
> detach:
>@@ -1115,6 +1168,8 @@
> 	struct uaudio_softc *sc = device_get_softc(device_get_parent(dev));
> 	int error = 0;
> 
>+	if (sc->sc_set_spdif_fn != NULL)
>+		sc->sc_set_spdif_fn(sc, 0);
> repeat:
> 	if (sc->sc_pcm_registered) {
> 		error = pcm_unregister(dev);

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Attachments on bug 216131: 178945 | 178947