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
129