diff --git a/include/sound/aci.h b/include/sound/aci.h
new file mode 100644
index 0000000..bb796d0
--- /dev/null
+++ b/include/sound/aci.h
@@ -0,0 +1,73 @@
+#ifndef _ACI_H_
+#define _ACI_H_
+
+#define ACI_REG_COMMAND		0	/* write register offset */
+#define ACI_REG_STATUS		1	/* read register offset */
+#define ACI_REG_BUSY		2	/* busy register offset */
+#define ACI_REG_RDS		2	/* PCM20: RDS register offset */
+#define ACI_MINTIME		500	/* ACI time out limit */
+
+#define ACI_SET_MUTE		0x0d
+#define ACI_SET_POWERAMP	0x0f
+#define ACI_SET_TUNERMUTE	0xa3
+#define ACI_SET_TUNERMONO	0xa4
+#define ACI_SET_IDE		0xd0
+#define ACI_SET_WSS		0xd1
+#define ACI_SET_SOLOMODE	0xd2
+#define ACI_SET_PREAMP		0x03
+#define ACI_GET_PREAMP		0x21
+#define ACI_WRITE_TUNE		0xa7
+#define ACI_READ_TUNERSTEREO	0xa8
+#define ACI_READ_TUNERSTATION	0xa9
+#define ACI_READ_VERSION	0xf1
+#define ACI_READ_IDCODE		0xf2
+#define ACI_INIT		0xff
+#define ACI_STATUS		0xf0
+#define ACI_S_GENERAL		0x00
+#define ACI_ERROR_OP		0xdf
+
+/* ACI Mixer */
+
+/* These are the values for the right channel GET registers.
+   Add an offset of 0x01 for the left channel register.
+   (left=right+0x01) */
+
+#define ACI_GET_MASTER		0x03
+#define ACI_GET_MIC		0x05
+#define ACI_GET_LINE		0x07
+#define ACI_GET_CD		0x09
+#define ACI_GET_SYNTH		0x0b
+#define ACI_GET_PCM		0x0d
+#define ACI_GET_LINE1		0x10	/* Radio on PCM20 */
+#define ACI_GET_LINE2		0x12
+
+#define ACI_GET_EQ1		0x22	/* from Bass ... */
+#define ACI_GET_EQ2		0x24
+#define ACI_GET_EQ3		0x26
+#define ACI_GET_EQ4		0x28
+#define ACI_GET_EQ5		0x2a
+#define ACI_GET_EQ6		0x2c
+#define ACI_GET_EQ7		0x2e	/* ... to Treble */
+
+/* And these are the values for the right channel SET registers.
+   For left channel access you have to add an offset of 0x08.
+   MASTER is an exception, which needs an offset of 0x01 */
+
+#define ACI_SET_MASTER		0x00
+#define ACI_SET_MIC		0x30
+#define ACI_SET_LINE		0x31
+#define ACI_SET_CD		0x34
+#define ACI_SET_SYNTH		0x33
+#define ACI_SET_PCM		0x32
+#define ACI_SET_LINE1		0x35	/* Radio on PCM20 */
+#define ACI_SET_LINE2		0x36
+
+#define ACI_SET_EQ1		0x40	/* from Bass ... */
+#define ACI_SET_EQ2		0x41
+#define ACI_SET_EQ3		0x42
+#define ACI_SET_EQ4		0x43
+#define ACI_SET_EQ5		0x44
+#define ACI_SET_EQ6		0x45
+#define ACI_SET_EQ7		0x46	/* ... to Treble */
+
+#endif  /* _ACI_H_ */