Eric Lee / smarc-fsl-linux-kernel

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include/dt-bindings/sound/cs42l42.h 1.88 KB
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  /* SPDX-License-Identifier: GPL-2.0-only */
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  /*
   * 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>
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   */
  
  #ifndef __DT_CS42L42_H
  #define __DT_CS42L42_H
  
  /* HPOUT Load Capacity */
  #define CS42L42_HPOUT_LOAD_1NF		0
  #define CS42L42_HPOUT_LOAD_10NF		1
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  /* HPOUT Clamp to GND Override */
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  #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 */