xref: /linux/sound/aoa/codecs/onyx.h (revision ba199dc909a20fe62270ae4e93f263987bb9d119)
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 <linux/i2c.h>
10 #include <asm/pmac_low_i2c.h>
11 
12 /* PCM3052 register definitions */
13 
14 /* the attenuation registers take values from
15  * -1 (0dB) to -127 (-63.0 dB) or others (muted) */
16 #define ONYX_REG_DAC_ATTEN_LEFT		65
17 #define FIRSTREGISTER			ONYX_REG_DAC_ATTEN_LEFT
18 #define ONYX_REG_DAC_ATTEN_RIGHT	66
19 
20 #define ONYX_REG_CONTROL		67
21 #	define ONYX_MRST		(1<<7)
22 #	define ONYX_SRST		(1<<6)
23 #	define ONYX_ADPSV		(1<<5)
24 #	define ONYX_DAPSV		(1<<4)
25 #	define ONYX_SILICONVERSION	(1<<0)
26 /* all others reserved */
27 
28 #define ONYX_REG_DAC_CONTROL		68
29 #	define ONYX_OVR1		(1<<6)
30 #	define ONYX_MUTE_RIGHT		(1<<1)
31 #	define ONYX_MUTE_LEFT		(1<<0)
32 
33 #define ONYX_REG_DAC_DEEMPH		69
34 #	define ONYX_DIGDEEMPH_SHIFT	5
35 #	define ONYX_DIGDEEMPH_MASK	(3<<ONYX_DIGDEEMPH_SHIFT)
36 #	define ONYX_DIGDEEMPH_CTRL	(1<<4)
37 
38 #define ONYX_REG_DAC_FILTER		70
39 #	define ONYX_ROLLOFF_FAST	(1<<5)
40 #	define ONYX_DAC_FILTER_ALWAYS	(1<<2)
41 
42 #define	ONYX_REG_DAC_OUTPHASE		71
43 #	define ONYX_OUTPHASE_INVERTED	(1<<0)
44 
45 #define ONYX_REG_ADC_CONTROL		72
46 #	define ONYX_ADC_INPUT_MIC	(1<<5)
47 /* 8 + input gain in dB, valid range for input gain is -4 .. 20 dB */
48 #	define ONYX_ADC_PGA_GAIN_MASK	0x1f
49 
50 #define ONYX_REG_ADC_HPF_BYPASS		75
51 #	define ONYX_HPF_DISABLE		(1<<3)
52 #	define ONYX_ADC_HPF_ALWAYS	(1<<2)
53 
54 #define ONYX_REG_DIG_INFO1		77
55 #	define ONYX_MASK_DIN_TO_BPZ	(1<<7)
56 /* bits 1-5 control channel bits 1-5 */
57 #	define ONYX_DIGOUT_DISABLE	(1<<0)
58 
59 #define ONYX_REG_DIG_INFO2		78
60 /* controls channel bits 8-15 */
61 
62 #define ONYX_REG_DIG_INFO3		79
63 /* control channel bits 24-29, high 2 bits reserved */
64 
65 #define ONYX_REG_DIG_INFO4		80
66 #	define ONYX_VALIDL		(1<<7)
67 #	define ONYX_VALIDR		(1<<6)
68 #	define ONYX_SPDIF_ENABLE	(1<<5)
69 /* lower 4 bits control bits 32-35 of channel control and word length */
70 #	define ONYX_WORDLEN_MASK	(0xF)
71 
72 #endif /* __SND_AOA_CODEC_ONYX_H */
73