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
126#if IS_ENABLED(CONFIG_SND_SOC_MT6359_ACCDET)
127int mt6359_accdet_enable_jack_detect(struct snd_soc_component *component,
128 struct snd_soc_jack *jack);
129#else
130static inline int
131mt6359_accdet_enable_jack_detect(struct snd_soc_component *component,
132 struct snd_soc_jack *jack)
133{
134 return -EOPNOTSUPP;
135}
136#endif
137#endif
138

source code of linux/sound/soc/codecs/mt6359-accdet.h