xref: /kernel/linux/linux-5.10/sound/aoa/codecs/onyx.h (revision 8c2ecf20)
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Apple Onboard Audio driver for Onyx codec (header)
4 *
5 * Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
6 */
7#ifndef __SND_AOA_CODEC_ONYX_H
8#define __SND_AOA_CODEC_ONYX_H
9#include <stddef.h>
10#include <linux/i2c.h>
11#include <asm/pmac_low_i2c.h>
12#include <asm/prom.h>
13
14/* PCM3052 register definitions */
15
16/* the attenuation registers take values from
17 * -1 (0dB) to -127 (-63.0 dB) or others (muted) */
18#define ONYX_REG_DAC_ATTEN_LEFT		65
19#define FIRSTREGISTER			ONYX_REG_DAC_ATTEN_LEFT
20#define ONYX_REG_DAC_ATTEN_RIGHT	66
21
22#define ONYX_REG_CONTROL		67
23#	define ONYX_MRST		(1<<7)
24#	define ONYX_SRST		(1<<6)
25#	define ONYX_ADPSV		(1<<5)
26#	define ONYX_DAPSV		(1<<4)
27#	define ONYX_SILICONVERSION	(1<<0)
28/* all others reserved */
29
30#define ONYX_REG_DAC_CONTROL		68
31#	define ONYX_OVR1		(1<<6)
32#	define ONYX_MUTE_RIGHT		(1<<1)
33#	define ONYX_MUTE_LEFT		(1<<0)
34
35#define ONYX_REG_DAC_DEEMPH		69
36#	define ONYX_DIGDEEMPH_SHIFT	5
37#	define ONYX_DIGDEEMPH_MASK	(3<<ONYX_DIGDEEMPH_SHIFT)
38#	define ONYX_DIGDEEMPH_CTRL	(1<<4)
39
40#define ONYX_REG_DAC_FILTER		70
41#	define ONYX_ROLLOFF_FAST	(1<<5)
42#	define ONYX_DAC_FILTER_ALWAYS	(1<<2)
43
44#define	ONYX_REG_DAC_OUTPHASE		71
45#	define ONYX_OUTPHASE_INVERTED	(1<<0)
46
47#define ONYX_REG_ADC_CONTROL		72
48#	define ONYX_ADC_INPUT_MIC	(1<<5)
49/* 8 + input gain in dB, valid range for input gain is -4 .. 20 dB */
50#	define ONYX_ADC_PGA_GAIN_MASK	0x1f
51
52#define ONYX_REG_ADC_HPF_BYPASS		75
53#	define ONYX_HPF_DISABLE		(1<<3)
54#	define ONYX_ADC_HPF_ALWAYS	(1<<2)
55
56#define ONYX_REG_DIG_INFO1		77
57#	define ONYX_MASK_DIN_TO_BPZ	(1<<7)
58/* bits 1-5 control channel bits 1-5 */
59#	define ONYX_DIGOUT_DISABLE	(1<<0)
60
61#define ONYX_REG_DIG_INFO2		78
62/* controls channel bits 8-15 */
63
64#define ONYX_REG_DIG_INFO3		79
65/* control channel bits 24-29, high 2 bits reserved */
66
67#define ONYX_REG_DIG_INFO4		80
68#	define ONYX_VALIDL		(1<<7)
69#	define ONYX_VALIDR		(1<<6)
70#	define ONYX_SPDIF_ENABLE	(1<<5)
71/* lower 4 bits control bits 32-35 of channel control and word length */
72#	define ONYX_WORDLEN_MASK	(0xF)
73
74#endif /* __SND_AOA_CODEC_ONYX_H */
75