1 files changed, 128 insertions, 0 deletions
diff --git a/sound/soc/codecs/mt6359-accdet.h b/sound/soc/codecs/mt6359-accdet.h
new file mode 100644
index 0000000000..c234f2f427
--- /dev/null
+++ b/sound/soc/codecs/mt6359-accdet.h
@@ -0,0 +1,128 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2021 MediaTek Inc.
+ * Author: Argus Lin <argus.lin@mediatek.com>
+ */
+
+#ifndef _ACCDET_H_
+#define _ACCDET_H_
+
+#include <linux/ctype.h>
+#include <linux/string.h>
+
+#define ACCDET_DEVNAME "accdet"
+
+#define HEADSET_MODE_1		(1)
+#define HEADSET_MODE_2		(2)
+#define HEADSET_MODE_6		(6)
+
+#define MT6359_ACCDET_NUM_BUTTONS 4
+#define MT6359_ACCDET_JACK_MASK (SND_JACK_HEADPHONE | \
+				SND_JACK_HEADSET | \
+				SND_JACK_BTN_0 | \
+				SND_JACK_BTN_1 | \
+				SND_JACK_BTN_2 | \
+				SND_JACK_BTN_3)
+#define MT6359_ACCDET_BTN_MASK (SND_JACK_BTN_0 | \
+				SND_JACK_BTN_1 | \
+				SND_JACK_BTN_2 | \
+				SND_JACK_BTN_3)
+
+enum eint_moisture_status {
+	M_PLUG_IN =		0,
+	M_WATER_IN =		1,
+	M_HP_PLUG_IN =		2,
+	M_PLUG_OUT =		3,
+	M_NO_ACT =		4,
+	M_UNKNOWN =		5,
+};
+
+enum {
+	accdet_state000 = 0,
+	accdet_state001,
+	accdet_state010,
+	accdet_state011,
+	accdet_auxadc,
+	eint_state000,
+	eint_state001,
+	eint_state010,
+	eint_state011,
+	eint_inverter_state000,
+};
+
+struct three_key_threshold {
+	unsigned int mid;
+	unsigned int up;
+	unsigned int down;
+};
+
+struct four_key_threshold {
+	unsigned int mid;
+	unsigned int voice;
+	unsigned int up;
+	unsigned int down;
+};
+
+struct pwm_deb_settings {
+	unsigned int pwm_width;
+	unsigned int pwm_thresh;
+	unsigned int fall_delay;
+	unsigned int rise_delay;
+	unsigned int debounce0;
+	unsigned int debounce1;
+	unsigned int debounce3;
+	unsigned int debounce4;
+	unsigned int eint_pwm_width;
+	unsigned int eint_pwm_thresh;
+	unsigned int eint_debounce0;
+	unsigned int eint_debounce1;
+	unsigned int eint_debounce2;
+	unsigned int eint_debounce3;
+	unsigned int eint_inverter_debounce;
+
+};
+
+struct dts_data {
+	unsigned int mic_vol;
+	unsigned int mic_mode;
+	unsigned int plugout_deb;
+	unsigned int eint_pol;
+	struct pwm_deb_settings *pwm_deb;
+	struct three_key_threshold three_key;
+	struct four_key_threshold four_key;
+	unsigned int moisture_detect_enable;
+	unsigned int eint_detect_mode;
+	unsigned int eint_use_ext_res;
+	unsigned int eint_comp_vth;
+	unsigned int moisture_detect_mode;
+	unsigned int moisture_comp_vth;
+	unsigned int moisture_comp_vref2;
+	unsigned int moisture_use_ext_res;
+};
+
+struct mt6359_accdet {
+	struct snd_soc_jack *jack;
+	struct device *dev;
+	struct regmap *regmap;
+	struct dts_data *data;
+	unsigned int caps;
+	int accdet_irq;
+	int accdet_eint0;
+	int accdet_eint1;
+	struct mutex res_lock; /* lock protection */
+	bool jack_plugged;
+	unsigned int jack_type;
+	unsigned int btn_type;
+	unsigned int accdet_status;
+	unsigned int pre_accdet_status;
+	unsigned int cali_voltage;
+	unsigned int jd_sts;
+	struct work_struct accdet_work;
+	struct workqueue_struct *accdet_workqueue;
+	struct work_struct jd_work;
+	struct workqueue_struct *jd_workqueue;
+};
+
+int mt6359_accdet_enable_jack_detect(struct snd_soc_component *component,
+				     struct snd_soc_jack *jack);
+#endif