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+/*
+ * Apple Onboard Audio driver for Onyx codec (header)
+ *
+ * Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
+ *
+ * GPL v2, can be found in COPYING.
+ */
+#ifndef __SND_AOA_CODEC_ONYX_H
+#define __SND_AOA_CODEC_ONYX_H
+#include <stddef.h>
+#include <linux/i2c.h>
+#include <asm/pmac_low_i2c.h>
+#include <asm/prom.h>
+
+/* PCM3052 register definitions */
+
+/* the attenuation registers take values from
+ * -1 (0dB) to -127 (-63.0 dB) or others (muted) */
+#define ONYX_REG_DAC_ATTEN_LEFT 65
+#define FIRSTREGISTER ONYX_REG_DAC_ATTEN_LEFT
+#define ONYX_REG_DAC_ATTEN_RIGHT 66
+
+#define ONYX_REG_CONTROL 67
+# define ONYX_MRST (1<<7)
+# define ONYX_SRST (1<<6)
+# define ONYX_ADPSV (1<<5)
+# define ONYX_DAPSV (1<<4)
+# define ONYX_SILICONVERSION (1<<0)
+/* all others reserved */
+
+#define ONYX_REG_DAC_CONTROL 68
+# define ONYX_OVR1 (1<<6)
+# define ONYX_MUTE_RIGHT (1<<1)
+# define ONYX_MUTE_LEFT (1<<0)
+
+#define ONYX_REG_DAC_DEEMPH 69
+# define ONYX_DIGDEEMPH_SHIFT 5
+# define ONYX_DIGDEEMPH_MASK (3<<ONYX_DIGDEEMPH_SHIFT)
+# define ONYX_DIGDEEMPH_CTRL (1<<4)
+
+#define ONYX_REG_DAC_FILTER 70
+# define ONYX_ROLLOFF_FAST (1<<5)
+# define ONYX_DAC_FILTER_ALWAYS (1<<2)
+
+#define ONYX_REG_DAC_OUTPHASE 71
+# define ONYX_OUTPHASE_INVERTED (1<<0)
+
+#define ONYX_REG_ADC_CONTROL 72
+# define ONYX_ADC_INPUT_MIC (1<<5)
+/* 8 + input gain in dB, valid range for input gain is -4 .. 20 dB */
+# define ONYX_ADC_PGA_GAIN_MASK 0x1f
+
+#define ONYX_REG_ADC_HPF_BYPASS 75
+# define ONYX_HPF_DISABLE (1<<3)
+# define ONYX_ADC_HPF_ALWAYS (1<<2)
+
+#define ONYX_REG_DIG_INFO1 77
+# define ONYX_MASK_DIN_TO_BPZ (1<<7)
+/* bits 1-5 control channel bits 1-5 */
+# define ONYX_DIGOUT_DISABLE (1<<0)
+
+#define ONYX_REG_DIG_INFO2 78
+/* controls channel bits 8-15 */
+
+#define ONYX_REG_DIG_INFO3 79
+/* control channel bits 24-29, high 2 bits reserved */
+
+#define ONYX_REG_DIG_INFO4 80
+# define ONYX_VALIDL (1<<7)
+# define ONYX_VALIDR (1<<6)
+# define ONYX_SPDIF_ENABLE (1<<5)
+/* lower 4 bits control bits 32-35 of channel control and word length */
+# define ONYX_WORDLEN_MASK (0xF)
+
+#endif /* __SND_AOA_CODEC_ONYX_H */