sound/soc/codecs/mt6359-accdet.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Copyright (C) 2021 MediaTek Inc.
   4  * Author: Argus Lin <argus.lin@mediatek.com>
   5  */
   6
   7 #ifndef _ACCDET_H_
   8 #define _ACCDET_H_
   9
  10 #include <linux/ctype.h>
  11 #include <linux/string.h>
  12
  13 #define ACCDET_DEVNAME "accdet"
  14
  15 #define HEADSET_MODE_1          (1)
  16 #define HEADSET_MODE_2          (2)
  17 #define HEADSET_MODE_6          (6)
  18
  19 #define MT6359_ACCDET_NUM_BUTTONS 4
  20 #define MT6359_ACCDET_JACK_MASK (SND_JACK_HEADPHONE | \
  21                                 SND_JACK_HEADSET | \
  22                                 SND_JACK_BTN_0 | \
  23                                 SND_JACK_BTN_1 | \
  24                                 SND_JACK_BTN_2 | \
  25                                 SND_JACK_BTN_3)
  26 #define MT6359_ACCDET_BTN_MASK (SND_JACK_BTN_0 | \
  27                                 SND_JACK_BTN_1 | \
  28                                 SND_JACK_BTN_2 | \
  29                                 SND_JACK_BTN_3)
  30
  31 enum eint_moisture_status {
  32         M_PLUG_IN =             0,
  33         M_WATER_IN =            1,
  34         M_HP_PLUG_IN =          2,
  35         M_PLUG_OUT =            3,
  36         M_NO_ACT =              4,
  37         M_UNKNOWN =             5,
  38 };
  39
  40 enum {
  41         accdet_state000 = 0,
  42         accdet_state001,
  43         accdet_state010,
  44         accdet_state011,
  45         accdet_auxadc,
  46         eint_state000,
  47         eint_state001,
  48         eint_state010,
  49         eint_state011,
  50         eint_inverter_state000,
  51 };
  52
  53 struct three_key_threshold {
  54         unsigned int mid;
  55         unsigned int up;
  56         unsigned int down;
  57 };
  58
  59 struct four_key_threshold {
  60         unsigned int mid;
  61         unsigned int voice;
  62         unsigned int up;
  63         unsigned int down;
  64 };
  65
  66 struct pwm_deb_settings {
  67         unsigned int pwm_width;
  68         unsigned int pwm_thresh;
  69         unsigned int fall_delay;
  70         unsigned int rise_delay;
  71         unsigned int debounce0;
  72         unsigned int debounce1;
  73         unsigned int debounce3;
  74         unsigned int debounce4;
  75         unsigned int eint_pwm_width;
  76         unsigned int eint_pwm_thresh;
  77         unsigned int eint_debounce0;
  78         unsigned int eint_debounce1;
  79         unsigned int eint_debounce2;
  80         unsigned int eint_debounce3;
  81         unsigned int eint_inverter_debounce;
  82
  83 };
  84
  85 struct dts_data {
  86         unsigned int mic_vol;
  87         unsigned int mic_mode;
  88         unsigned int plugout_deb;
  89         unsigned int eint_pol;
  90         struct pwm_deb_settings *pwm_deb;
  91         struct three_key_threshold three_key;
  92         struct four_key_threshold four_key;
  93         unsigned int moisture_detect_enable;
  94         unsigned int eint_detect_mode;
  95         unsigned int eint_use_ext_res;
  96         unsigned int eint_comp_vth;
  97         unsigned int moisture_detect_mode;
  98         unsigned int moisture_comp_vth;
  99         unsigned int moisture_comp_vref2;
 100         unsigned int moisture_use_ext_res;
 101 };
 102
 103 struct mt6359_accdet {
 104         struct snd_soc_jack *jack;
 105         struct device *dev;
 106         struct regmap *regmap;
 107         struct dts_data *data;
 108         unsigned int caps;
 109         int accdet_irq;
 110         int accdet_eint0;
 111         int accdet_eint1;
 112         struct mutex res_lock; /* lock protection */
 113         bool jack_plugged;
 114         unsigned int jack_type;
 115         unsigned int btn_type;
 116         unsigned int accdet_status;
 117         unsigned int pre_accdet_status;
 118         unsigned int cali_voltage;
 119         unsigned int jd_sts;
 120         struct work_struct accdet_work;
 121         struct workqueue_struct *accdet_workqueue;
 122         struct work_struct jd_work;
 123         struct workqueue_struct *jd_workqueue;
 124 };
 125
 126 int mt6359_accdet_enable_jack_detect(struct snd_soc_component *component,
 127                                      struct snd_soc_jack *jack);
 128 #endif