include/dt-bindings/sound/cs42l42.h

   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 Overide */
  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 */