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MT6359 audio codec supports jack detection feature, adds MT6359 accdet driver to support jack plugged detection and key detection. Signed-off-by: Argus Lin <argus.lin@mediatek.com> Link: https://lore.kernel.org/r/1615383186-18500-3-git-send-email-argus.lin@mediatek.com Signed-off-by: Mark Brown <broonie@kernel.org>
128 lines
2.8 KiB
C
128 lines
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2021 MediaTek Inc.
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* Author: Argus Lin <argus.lin@mediatek.com>
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*/
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#ifndef _ACCDET_H_
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#define _ACCDET_H_
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#include <linux/ctype.h>
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#include <linux/string.h>
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#define ACCDET_DEVNAME "accdet"
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#define HEADSET_MODE_1 (1)
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#define HEADSET_MODE_2 (2)
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#define HEADSET_MODE_6 (6)
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#define MT6359_ACCDET_NUM_BUTTONS 4
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#define MT6359_ACCDET_JACK_MASK (SND_JACK_HEADPHONE | \
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SND_JACK_HEADSET | \
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SND_JACK_BTN_0 | \
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SND_JACK_BTN_1 | \
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SND_JACK_BTN_2 | \
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SND_JACK_BTN_3)
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#define MT6359_ACCDET_BTN_MASK (SND_JACK_BTN_0 | \
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SND_JACK_BTN_1 | \
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SND_JACK_BTN_2 | \
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SND_JACK_BTN_3)
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enum eint_moisture_status {
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M_PLUG_IN = 0,
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M_WATER_IN = 1,
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M_HP_PLUG_IN = 2,
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M_PLUG_OUT = 3,
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M_NO_ACT = 4,
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M_UNKNOWN = 5,
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};
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enum {
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accdet_state000 = 0,
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accdet_state001,
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accdet_state010,
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accdet_state011,
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accdet_auxadc,
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eint_state000,
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eint_state001,
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eint_state010,
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eint_state011,
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eint_inverter_state000,
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};
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struct three_key_threshold {
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unsigned int mid;
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unsigned int up;
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unsigned int down;
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};
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struct four_key_threshold {
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unsigned int mid;
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unsigned int voice;
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unsigned int up;
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unsigned int down;
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};
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struct pwm_deb_settings {
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unsigned int pwm_width;
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unsigned int pwm_thresh;
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unsigned int fall_delay;
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unsigned int rise_delay;
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unsigned int debounce0;
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unsigned int debounce1;
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unsigned int debounce3;
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unsigned int debounce4;
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unsigned int eint_pwm_width;
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unsigned int eint_pwm_thresh;
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unsigned int eint_debounce0;
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unsigned int eint_debounce1;
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unsigned int eint_debounce2;
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unsigned int eint_debounce3;
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unsigned int eint_inverter_debounce;
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};
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struct dts_data {
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unsigned int mic_vol;
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unsigned int mic_mode;
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unsigned int plugout_deb;
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unsigned int eint_pol;
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struct pwm_deb_settings *pwm_deb;
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struct three_key_threshold three_key;
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struct four_key_threshold four_key;
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unsigned int moisture_detect_enable;
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unsigned int eint_detect_mode;
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unsigned int eint_use_ext_res;
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unsigned int eint_comp_vth;
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unsigned int moisture_detect_mode;
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unsigned int moisture_comp_vth;
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unsigned int moisture_comp_vref2;
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unsigned int moisture_use_ext_res;
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};
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struct mt6359_accdet {
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struct snd_soc_jack *jack;
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struct device *dev;
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struct regmap *regmap;
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struct dts_data *data;
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unsigned int caps;
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int accdet_irq;
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int accdet_eint0;
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int accdet_eint1;
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struct mutex res_lock; /* lock protection */
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bool jack_plugged;
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unsigned int jack_type;
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unsigned int btn_type;
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unsigned int accdet_status;
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unsigned int pre_accdet_status;
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unsigned int cali_voltage;
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unsigned int jd_sts;
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struct work_struct accdet_work;
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struct workqueue_struct *accdet_workqueue;
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struct work_struct jd_work;
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struct workqueue_struct *jd_workqueue;
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};
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int mt6359_accdet_enable_jack_detect(struct snd_soc_component *component,
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struct snd_soc_jack *jack);
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#endif
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