1/*
2 * Apple Onboard Audio driver for Onyx codec (header)
3 *
4 * Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
5 *
6 * GPL v2, can be found in COPYING.
7 */
8#ifndef __SND_AOA_CODEC_ONYX_H
9#define __SND_AOA_CODEC_ONYX_H
10#include <stddef.h>
11#include <linux/i2c.h>
12#include <asm/pmac_low_i2c.h>
13#include <asm/prom.h>
14
15/* PCM3052 register definitions */
16
17/* the attenuation registers take values from
18 * -1 (0dB) to -127 (-63.0 dB) or others (muted) */
19#define ONYX_REG_DAC_ATTEN_LEFT		65
20#define FIRSTREGISTER			ONYX_REG_DAC_ATTEN_LEFT
21#define ONYX_REG_DAC_ATTEN_RIGHT	66
22
23#define ONYX_REG_CONTROL		67
24#	define ONYX_MRST		(1<<7)
25#	define ONYX_SRST		(1<<6)
26#	define ONYX_ADPSV		(1<<5)
27#	define ONYX_DAPSV		(1<<4)
28#	define ONYX_SILICONVERSION	(1<<0)
29/* all others reserved */
30
31#define ONYX_REG_DAC_CONTROL		68
32#	define ONYX_OVR1		(1<<6)
33#	define ONYX_MUTE_RIGHT		(1<<1)
34#	define ONYX_MUTE_LEFT		(1<<0)
35
36#define ONYX_REG_DAC_DEEMPH		69
37#	define ONYX_DIGDEEMPH_SHIFT	5
38#	define ONYX_DIGDEEMPH_MASK	(3<<ONYX_DIGDEEMPH_SHIFT)
39#	define ONYX_DIGDEEMPH_CTRL	(1<<4)
40
41#define ONYX_REG_DAC_FILTER		70
42#	define ONYX_ROLLOFF_FAST	(1<<5)
43#	define ONYX_DAC_FILTER_ALWAYS	(1<<2)
44
45#define	ONYX_REG_DAC_OUTPHASE		71
46#	define ONYX_OUTPHASE_INVERTED	(1<<0)
47
48#define ONYX_REG_ADC_CONTROL		72
49#	define ONYX_ADC_INPUT_MIC	(1<<5)
50/* 8 + input gain in dB, valid range for input gain is -4 .. 20 dB */
51#	define ONYX_ADC_PGA_GAIN_MASK	0x1f
52
53#define ONYX_REG_ADC_HPF_BYPASS		75
54#	define ONYX_HPF_DISABLE		(1<<3)
55#	define ONYX_ADC_HPF_ALWAYS	(1<<2)
56
57#define ONYX_REG_DIG_INFO1		77
58#	define ONYX_MASK_DIN_TO_BPZ	(1<<7)
59/* bits 1-5 control channel bits 1-5 */
60#	define ONYX_DIGOUT_DISABLE	(1<<0)
61
62#define ONYX_REG_DIG_INFO2		78
63/* controls channel bits 8-15 */
64
65#define ONYX_REG_DIG_INFO3		79
66/* control channel bits 24-29, high 2 bits reserved */
67
68#define ONYX_REG_DIG_INFO4		80
69#	define ONYX_VALIDL		(1<<7)
70#	define ONYX_VALIDR		(1<<6)
71#	define ONYX_SPDIF_ENABLE	(1<<5)
72/* lower 4 bits control bits 32-35 of channel control and word length */
73#	define ONYX_WORDLEN_MASK	(0xF)
74
75#endif /* __SND_AOA_CODEC_ONYX_H */
76