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