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