sound: virtuoso: add Xonar DS support

Add experimental support for the Asus Xonar DS.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/pci/oxygen/wm8766.h b/sound/pci/oxygen/wm8766.h
new file mode 100644
index 0000000..e0e849a
--- /dev/null
+++ b/sound/pci/oxygen/wm8766.h
@@ -0,0 +1,73 @@
+#ifndef WM8766_H_INCLUDED
+#define WM8766_H_INCLUDED
+
+#define WM8766_LDA1		0x00
+#define WM8766_RDA1		0x01
+#define WM8766_DAC_CTRL		0x02
+#define WM8766_INT_CTRL		0x03
+#define WM8766_LDA2		0x04
+#define WM8766_RDA2		0x05
+#define WM8766_LDA3		0x06
+#define WM8766_RDA3		0x07
+#define WM8766_MASTDA		0x08
+#define WM8766_DAC_CTRL2	0x09
+#define WM8766_DAC_CTRL3	0x0a
+#define WM8766_MUTE1		0x0c
+#define WM8766_MUTE2		0x0f
+#define WM8766_RESET		0x1f
+
+/* LDAx/RDAx/MASTDA */
+#define WM8766_ATT_MASK		0x0ff
+#define WM8766_UPDATE		0x100
+/* DAC_CTRL */
+#define WM8766_MUTEALL		0x001
+#define WM8766_DEEMPALL		0x002
+#define WM8766_PWDN		0x004
+#define WM8766_ATC		0x008
+#define WM8766_IZD		0x010
+#define WM8766_PL_LEFT_MASK	0x060
+#define WM8766_PL_LEFT_MUTE	0x000
+#define WM8766_PL_LEFT_LEFT	0x020
+#define WM8766_PL_LEFT_RIGHT	0x040
+#define WM8766_PL_LEFT_LRMIX	0x060
+#define WM8766_PL_RIGHT_MASK	0x180
+#define WM8766_PL_RIGHT_MUTE	0x000
+#define WM8766_PL_RIGHT_LEFT	0x080
+#define WM8766_PL_RIGHT_RIGHT	0x100
+#define WM8766_PL_RIGHT_LRMIX	0x180
+/* INT_CTRL */
+#define WM8766_FMT_MASK		0x003
+#define WM8766_FMT_RJUST	0x000
+#define WM8766_FMT_LJUST	0x001
+#define WM8766_FMT_I2S		0x002
+#define WM8766_FMT_DSP		0x003
+#define WM8766_LRP		0x004
+#define WM8766_BCP		0x008
+#define WM8766_IWL_MASK		0x030
+#define WM8766_IWL_16		0x000
+#define WM8766_IWL_20		0x010
+#define WM8766_IWL_24		0x020
+#define WM8766_IWL_32		0x030
+#define WM8766_PHASE_MASK	0x1c0
+/* DAC_CTRL2 */
+#define WM8766_ZCD		0x001
+#define WM8766_DZFM_MASK	0x006
+#define WM8766_DMUTE_MASK	0x038
+#define WM8766_DEEMP_MASK	0x1c0
+/* DAC_CTRL3 */
+#define WM8766_DACPD_MASK	0x00e
+#define WM8766_PWRDNALL		0x010
+#define WM8766_MS		0x020
+#define WM8766_RATE_MASK	0x1c0
+#define WM8766_RATE_128		0x000
+#define WM8766_RATE_192		0x040
+#define WM8766_RATE_256		0x080
+#define WM8766_RATE_384		0x0c0
+#define WM8766_RATE_512		0x100
+#define WM8766_RATE_768		0x140
+/* MUTE1 */
+#define WM8766_MPD1		0x040
+/* MUTE2 */
+#define WM8766_MPD2		0x020
+
+#endif