root/include/dt-bindings/sound/cs42l42.h
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * cs42l42.h -- CS42L42 ALSA SoC audio driver DT bindings header
 *
 * Copyright 2016 Cirrus Logic, Inc.
 *
 * Author: James Schulman <james.schulman@cirrus.com>
 * Author: Brian Austin <brian.austin@cirrus.com>
 * Author: Michael White <michael.white@cirrus.com>
 */

#ifndef __DT_CS42L42_H
#define __DT_CS42L42_H

/* HPOUT Load Capacity */
#define CS42L42_HPOUT_LOAD_1NF          0
#define CS42L42_HPOUT_LOAD_10NF         1

/* HPOUT Clamp to GND Override */
#define CS42L42_HPOUT_CLAMP_EN          0
#define CS42L42_HPOUT_CLAMP_DIS         1

/* Tip Sense Inversion */
#define CS42L42_TS_INV_DIS                      0
#define CS42L42_TS_INV_EN                       1

/* Tip Sense Debounce */
#define CS42L42_TS_DBNCE_0                      0
#define CS42L42_TS_DBNCE_125                    1
#define CS42L42_TS_DBNCE_250                    2
#define CS42L42_TS_DBNCE_500                    3
#define CS42L42_TS_DBNCE_750                    4
#define CS42L42_TS_DBNCE_1000                   5
#define CS42L42_TS_DBNCE_1250                   6
#define CS42L42_TS_DBNCE_1500                   7

/* Button Press Software Debounce Times */
#define CS42L42_BTN_DET_INIT_DBNCE_MIN          0
#define CS42L42_BTN_DET_INIT_DBNCE_DEFAULT      100
#define CS42L42_BTN_DET_INIT_DBNCE_MAX          200

#define CS42L42_BTN_DET_EVENT_DBNCE_MIN         0
#define CS42L42_BTN_DET_EVENT_DBNCE_DEFAULT     10
#define CS42L42_BTN_DET_EVENT_DBNCE_MAX         20

/* Button Detect Level Sensitivities */
#define CS42L42_NUM_BIASES              4

#define CS42L42_HS_DET_LEVEL_15         0x0F
#define CS42L42_HS_DET_LEVEL_8          0x08
#define CS42L42_HS_DET_LEVEL_4          0x04
#define CS42L42_HS_DET_LEVEL_1          0x01

#define CS42L42_HS_DET_LEVEL_MIN        0
#define CS42L42_HS_DET_LEVEL_MAX        0x3F

/* HS Bias Ramp Rate */

#define CS42L42_HSBIAS_RAMP_FAST_RISE_SLOW_FALL         0
#define CS42L42_HSBIAS_RAMP_FAST                        1
#define CS42L42_HSBIAS_RAMP_SLOW                        2
#define CS42L42_HSBIAS_RAMP_SLOWEST                     3

#define CS42L42_HSBIAS_RAMP_TIME0                       10
#define CS42L42_HSBIAS_RAMP_TIME1                       40
#define CS42L42_HSBIAS_RAMP_TIME2                       90
#define CS42L42_HSBIAS_RAMP_TIME3                       170

#endif /* __DT_CS42L42_H */