onyx.h

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/*
 * Apple Onboard Audio driver for Onyx codec (header)
 *
 * Copyright 2006 Johannes Berg <[email protected]>
 *
 * 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 */