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      1 /*	$NetBSD: cs42l42.h,v 1.1.1.2 2020/01/03 14:33:03 skrll Exp $	*/
      2 
      3 /* SPDX-License-Identifier: GPL-2.0-only */
      4 /*
      5  * cs42l42.h -- CS42L42 ALSA SoC audio driver DT bindings header
      6  *
      7  * Copyright 2016 Cirrus Logic, Inc.
      8  *
      9  * Author: James Schulman <james.schulman (at) cirrus.com>
     10  * Author: Brian Austin <brian.austin (at) cirrus.com>
     11  * Author: Michael White <michael.white (at) cirrus.com>
     12  */
     13 
     14 #ifndef __DT_CS42L42_H
     15 #define __DT_CS42L42_H
     16 
     17 /* HPOUT Load Capacity */
     18 #define CS42L42_HPOUT_LOAD_1NF		0
     19 #define CS42L42_HPOUT_LOAD_10NF		1
     20 
     21 /* HPOUT Clamp to GND Override */
     22 #define CS42L42_HPOUT_CLAMP_EN		0
     23 #define CS42L42_HPOUT_CLAMP_DIS		1
     24 
     25 /* Tip Sense Inversion */
     26 #define CS42L42_TS_INV_DIS			0
     27 #define CS42L42_TS_INV_EN			1
     28 
     29 /* Tip Sense Debounce */
     30 #define CS42L42_TS_DBNCE_0			0
     31 #define CS42L42_TS_DBNCE_125			1
     32 #define CS42L42_TS_DBNCE_250			2
     33 #define CS42L42_TS_DBNCE_500			3
     34 #define CS42L42_TS_DBNCE_750			4
     35 #define CS42L42_TS_DBNCE_1000			5
     36 #define CS42L42_TS_DBNCE_1250			6
     37 #define CS42L42_TS_DBNCE_1500			7
     38 
     39 /* Button Press Software Debounce Times */
     40 #define CS42L42_BTN_DET_INIT_DBNCE_MIN		0
     41 #define CS42L42_BTN_DET_INIT_DBNCE_DEFAULT	100
     42 #define CS42L42_BTN_DET_INIT_DBNCE_MAX		200
     43 
     44 #define CS42L42_BTN_DET_EVENT_DBNCE_MIN		0
     45 #define CS42L42_BTN_DET_EVENT_DBNCE_DEFAULT	10
     46 #define CS42L42_BTN_DET_EVENT_DBNCE_MAX		20
     47 
     48 /* Button Detect Level Sensitivities */
     49 #define CS42L42_NUM_BIASES		4
     50 
     51 #define CS42L42_HS_DET_LEVEL_15		0x0F
     52 #define CS42L42_HS_DET_LEVEL_8		0x08
     53 #define CS42L42_HS_DET_LEVEL_4		0x04
     54 #define CS42L42_HS_DET_LEVEL_1		0x01
     55 
     56 #define CS42L42_HS_DET_LEVEL_MIN	0
     57 #define CS42L42_HS_DET_LEVEL_MAX	0x3F
     58 
     59 /* HS Bias Ramp Rate */
     60 
     61 #define CS42L42_HSBIAS_RAMP_FAST_RISE_SLOW_FALL		0
     62 #define CS42L42_HSBIAS_RAMP_FAST			1
     63 #define CS42L42_HSBIAS_RAMP_SLOW			2
     64 #define CS42L42_HSBIAS_RAMP_SLOWEST			3
     65 
     66 #define CS42L42_HSBIAS_RAMP_TIME0			10
     67 #define CS42L42_HSBIAS_RAMP_TIME1			40
     68 #define CS42L42_HSBIAS_RAMP_TIME2			90
     69 #define CS42L42_HSBIAS_RAMP_TIME3			170
     70 
     71 #endif /* __DT_CS42L42_H */
     72