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Linux kernel mirror (for testing)
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1/*
2 * cs42l42.h -- CS42L42 ALSA SoC audio driver DT bindings header
3 *
4 * Copyright 2016 Cirrus Logic, Inc.
5 *
6 * Author: James Schulman <james.schulman@cirrus.com>
7 * Author: Brian Austin <brian.austin@cirrus.com>
8 * Author: Michael White <michael.white@cirrus.com>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 *
14 */
15
16#ifndef __DT_CS42L42_H
17#define __DT_CS42L42_H
18
19/* HPOUT Load Capacity */
20#define CS42L42_HPOUT_LOAD_1NF 0
21#define CS42L42_HPOUT_LOAD_10NF 1
22
23/* HPOUT Clamp to GND Override */
24#define CS42L42_HPOUT_CLAMP_EN 0
25#define CS42L42_HPOUT_CLAMP_DIS 1
26
27/* Tip Sense Inversion */
28#define CS42L42_TS_INV_DIS 0
29#define CS42L42_TS_INV_EN 1
30
31/* Tip Sense Debounce */
32#define CS42L42_TS_DBNCE_0 0
33#define CS42L42_TS_DBNCE_125 1
34#define CS42L42_TS_DBNCE_250 2
35#define CS42L42_TS_DBNCE_500 3
36#define CS42L42_TS_DBNCE_750 4
37#define CS42L42_TS_DBNCE_1000 5
38#define CS42L42_TS_DBNCE_1250 6
39#define CS42L42_TS_DBNCE_1500 7
40
41/* Button Press Software Debounce Times */
42#define CS42L42_BTN_DET_INIT_DBNCE_MIN 0
43#define CS42L42_BTN_DET_INIT_DBNCE_DEFAULT 100
44#define CS42L42_BTN_DET_INIT_DBNCE_MAX 200
45
46#define CS42L42_BTN_DET_EVENT_DBNCE_MIN 0
47#define CS42L42_BTN_DET_EVENT_DBNCE_DEFAULT 10
48#define CS42L42_BTN_DET_EVENT_DBNCE_MAX 20
49
50/* Button Detect Level Sensitivities */
51#define CS42L42_NUM_BIASES 4
52
53#define CS42L42_HS_DET_LEVEL_15 0x0F
54#define CS42L42_HS_DET_LEVEL_8 0x08
55#define CS42L42_HS_DET_LEVEL_4 0x04
56#define CS42L42_HS_DET_LEVEL_1 0x01
57
58#define CS42L42_HS_DET_LEVEL_MIN 0
59#define CS42L42_HS_DET_LEVEL_MAX 0x3F
60
61/* HS Bias Ramp Rate */
62
63#define CS42L42_HSBIAS_RAMP_FAST_RISE_SLOW_FALL 0
64#define CS42L42_HSBIAS_RAMP_FAST 1
65#define CS42L42_HSBIAS_RAMP_SLOW 2
66#define CS42L42_HSBIAS_RAMP_SLOWEST 3
67
68#define CS42L42_HSBIAS_RAMP_TIME0 10
69#define CS42L42_HSBIAS_RAMP_TIME1 40
70#define CS42L42_HSBIAS_RAMP_TIME2 90
71#define CS42L42_HSBIAS_RAMP_TIME3 170
72
73#endif /* __DT_CS42L42_H */