xref: /linux/include/dt-bindings/sound/cs42l42.h (revision a4eb44a6435d6d8f9e642407a4a06f65eb90ca04)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * cs42l42.h -- CS42L42 ALSA SoC audio driver DT bindings header
4  *
5  * Copyright 2016 Cirrus Logic, Inc.
6  *
7  * Author: James Schulman <james.schulman@cirrus.com>
8  * Author: Brian Austin <brian.austin@cirrus.com>
9  * Author: Michael White <michael.white@cirrus.com>
10  */
11 
12 #ifndef __DT_CS42L42_H
13 #define __DT_CS42L42_H
14 
15 /* HPOUT Load Capacity */
16 #define CS42L42_HPOUT_LOAD_1NF		0
17 #define CS42L42_HPOUT_LOAD_10NF		1
18 
19 /* HPOUT Clamp to GND Override */
20 #define CS42L42_HPOUT_CLAMP_EN		0
21 #define CS42L42_HPOUT_CLAMP_DIS		1
22 
23 /* Tip Sense Inversion */
24 #define CS42L42_TS_INV_DIS			0
25 #define CS42L42_TS_INV_EN			1
26 
27 /* Tip Sense Debounce */
28 #define CS42L42_TS_DBNCE_0			0
29 #define CS42L42_TS_DBNCE_125			1
30 #define CS42L42_TS_DBNCE_250			2
31 #define CS42L42_TS_DBNCE_500			3
32 #define CS42L42_TS_DBNCE_750			4
33 #define CS42L42_TS_DBNCE_1000			5
34 #define CS42L42_TS_DBNCE_1250			6
35 #define CS42L42_TS_DBNCE_1500			7
36 
37 /* Button Press Software Debounce Times */
38 #define CS42L42_BTN_DET_INIT_DBNCE_MIN		0
39 #define CS42L42_BTN_DET_INIT_DBNCE_DEFAULT	100
40 #define CS42L42_BTN_DET_INIT_DBNCE_MAX		200
41 
42 #define CS42L42_BTN_DET_EVENT_DBNCE_MIN		0
43 #define CS42L42_BTN_DET_EVENT_DBNCE_DEFAULT	10
44 #define CS42L42_BTN_DET_EVENT_DBNCE_MAX		20
45 
46 /* Button Detect Level Sensitivities */
47 #define CS42L42_NUM_BIASES		4
48 
49 #define CS42L42_HS_DET_LEVEL_15		0x0F
50 #define CS42L42_HS_DET_LEVEL_8		0x08
51 #define CS42L42_HS_DET_LEVEL_4		0x04
52 #define CS42L42_HS_DET_LEVEL_1		0x01
53 
54 #define CS42L42_HS_DET_LEVEL_MIN	0
55 #define CS42L42_HS_DET_LEVEL_MAX	0x3F
56 
57 /* HS Bias Ramp Rate */
58 
59 #define CS42L42_HSBIAS_RAMP_FAST_RISE_SLOW_FALL		0
60 #define CS42L42_HSBIAS_RAMP_FAST			1
61 #define CS42L42_HSBIAS_RAMP_SLOW			2
62 #define CS42L42_HSBIAS_RAMP_SLOWEST			3
63 
64 #define CS42L42_HSBIAS_RAMP_TIME0			10
65 #define CS42L42_HSBIAS_RAMP_TIME1			40
66 #define CS42L42_HSBIAS_RAMP_TIME2			90
67 #define CS42L42_HSBIAS_RAMP_TIME3			170
68 
69 #endif /* __DT_CS42L42_H */
70