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
 31enum 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
 40enum {
 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
 53struct three_key_threshold {
 54	unsigned int mid;
 55	unsigned int up;
 56	unsigned int down;
 57};
 58
 59struct four_key_threshold {
 60	unsigned int mid;
 61	unsigned int voice;
 62	unsigned int up;
 63	unsigned int down;
 64};
 65
 66struct 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
 85struct 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
103struct 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
126int mt6359_accdet_enable_jack_detect(struct snd_soc_component *component,
127				     struct snd_soc_jack *jack);
128#endif