xref: /openbmc/linux/sound/soc/codecs/cs4349.h (revision e15a5365)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * ALSA SoC CS4349 codec driver
4  *
5  * Copyright 2015 Cirrus Logic, Inc.
6  *
7  * Author: Tim Howe <Tim.Howe@cirrus.com>
8  */
9 
10 #ifndef __CS4349_H__
11 #define __CS4349_H__
12 
13 /* CS4349 registers addresses */
14 #define CS4349_CHIPID		0x01	/* Device and Rev ID, Read Only */
15 #define CS4349_MODE		0x02	/* Mode Control */
16 #define CS4349_VMI		0x03	/* Volume, Mixing, Inversion Control */
17 #define CS4349_MUTE		0x04	/* Mute Control */
18 #define CS4349_VOLA		0x05	/* DAC Channel A Volume Control */
19 #define CS4349_VOLB		0x06	/* DAC Channel B Volume Control */
20 #define CS4349_RMPFLT		0x07	/* Ramp and Filter Control */
21 #define CS4349_MISC		0x08	/* Power Down,Freeze Control,Pop Stop*/
22 
23 #define CS4349_I2C_INCR		0x80
24 
25 
26 /* Device and Revision ID */
27 #define CS4349_REVA		0xF0	/* Rev A */
28 #define CS4349_REVB		0xF1	/* Rev B */
29 #define CS4349_REVC2		0xFF	/* Rev C2 */
30 
31 
32 /* PDN_DONE Poll Maximum
33  * If soft ramp is set it will take much longer to power down
34  * the system.
35  */
36 #define PDN_POLL_MAX		900
37 
38 
39 /* Bitfield Definitions */
40 
41 /* CS4349_MODE */
42 /* (Digital Interface Format, De-Emphasis Control, Functional Mode */
43 #define DIF2			(1 << 6)
44 #define DIF1			(1 << 5)
45 #define DIF0			(1 << 4)
46 #define DEM1			(1 << 3)
47 #define DEM0			(1 << 2)
48 #define FM1			(1 << 1)
49 #define DIF_LEFT_JST		0x00
50 #define DIF_I2S			0x01
51 #define DIF_RGHT_JST16		0x02
52 #define DIF_RGHT_JST24		0x03
53 #define DIF_TDM0		0x04
54 #define DIF_TDM1		0x05
55 #define DIF_TDM2		0x06
56 #define DIF_TDM3		0x07
57 #define DIF_MASK		0x70
58 #define MODE_FORMAT(x)		(((x)&7)<<4)
59 #define DEM_MASK		0x0C
60 #define NO_DEM			0x00
61 #define DEM_441			0x04
62 #define DEM_48K			0x08
63 #define DEM_32K			0x0C
64 #define FM_AUTO			0x00
65 #define FM_SNGL			0x01
66 #define FM_DBL			0x02
67 #define FM_QUAD			0x03
68 #define FM_SNGL_MIN		30000
69 #define FM_SNGL_MAX		54000
70 #define FM_DBL_MAX		108000
71 #define FM_QUAD_MAX		216000
72 #define FM_MASK			0x03
73 
74 /* CS4349_VMI (VMI = Volume, Mixing and Inversion Controls) */
75 #define VOLBISA			(1 << 7)
76 #define VOLAISB			(1 << 7)
77 /* INVERT_A only available for Left Jstfd, Right Jstfd16 and Right Jstfd24 */
78 #define INVERT_A		(1 << 6)
79 /* INVERT_B only available for Left Jstfd, Right Jstfd16 and Right Jstfd24 */
80 #define INVERT_B		(1 << 5)
81 #define ATAPI3			(1 << 3)
82 #define ATAPI2			(1 << 2)
83 #define ATAPI1			(1 << 1)
84 #define ATAPI0			(1 << 0)
85 #define MUTEAB			0x00
86 #define MUTEA_RIGHTB		0x01
87 #define MUTEA_LEFTB		0x02
88 #define MUTEA_SUMLRDIV2B	0x03
89 #define RIGHTA_MUTEB		0x04
90 #define RIGHTA_RIGHTB		0x05
91 #define RIGHTA_LEFTB		0x06
92 #define RIGHTA_SUMLRDIV2B	0x07
93 #define LEFTA_MUTEB		0x08
94 #define LEFTA_RIGHTB		0x09	/* Default */
95 #define LEFTA_LEFTB		0x0A
96 #define LEFTA_SUMLRDIV2B	0x0B
97 #define SUMLRDIV2A_MUTEB	0x0C
98 #define SUMLRDIV2A_RIGHTB	0x0D
99 #define SUMLRDIV2A_LEFTB	0x0E
100 #define SUMLRDIV2_AB		0x0F
101 #define CHMIX_MASK		0x0F
102 
103 /* CS4349_MUTE */
104 #define AUTOMUTE		(1 << 7)
105 #define MUTEC_AB		(1 << 5)
106 #define MUTE_A			(1 << 4)
107 #define MUTE_B			(1 << 3)
108 #define MUTE_AB_MASK		0x18
109 
110 /* CS4349_RMPFLT (Ramp and Filter Control) */
111 #define SCZ1			(1 << 7)
112 #define SCZ0			(1 << 6)
113 #define RMP_UP			(1 << 5)
114 #define RMP_DN			(1 << 4)
115 #define FILT_SEL		(1 << 2)
116 #define IMMDT_CHNG		0x31
117 #define ZEROCRSS		0x71
118 #define SOFT_RMP		0xB1
119 #define SFTRMP_ZEROCRSS		0xF1
120 #define SR_ZC_MASK		0xC0
121 
122 /* CS4349_MISC */
123 #define PWR_DWN			(1 << 7)
124 #define FREEZE			(1 << 5)
125 #define POPG_EN			(1 << 4)
126 
127 #endif	/* __CS4349_H__ */
128