170 lines
4.5 KiB
C
Executable File
170 lines
4.5 KiB
C
Executable File
/*
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* extcon-madera.h - public extcon driver API for Cirrus Logic Madera codecs
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*
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* Copyright 2015-2017 Cirrus Logic
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef EXTCON_MADERA_H
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#define EXTCON_MADERA_H
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#include <linux/mfd/madera/registers.h>
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/* Conversion between ohms and hundredths of an ohm. */
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static inline unsigned int madera_hohm_to_ohm(unsigned int hohms)
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{
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if (hohms == INT_MAX)
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return hohms;
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else
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return (hohms + 50) / 100;
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}
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static inline unsigned int madera_ohm_to_hohm(unsigned int ohms)
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{
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if (ohms >= (INT_MAX / 100))
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return INT_MAX;
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else
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return ohms * 100;
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}
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#define MADERA_MICD_LVL_1_TO_7 \
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(MADERA_MICD_LVL_1 | MADERA_MICD_LVL_2 | \
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MADERA_MICD_LVL_3 | MADERA_MICD_LVL_4 | \
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MADERA_MICD_LVL_5 | MADERA_MICD_LVL_6 | \
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MADERA_MICD_LVL_7)
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#define MADERA_MICD_LVL_0_TO_7 (MADERA_MICD_LVL_0 | MADERA_MICD_LVL_1_TO_7)
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#define MADERA_MICD_LVL_0_TO_8 (MADERA_MICD_LVL_0_TO_7 | MADERA_MICD_LVL_8)
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/* Notify data structure for MADERA_NOTIFY_HPDET */
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struct madera_hpdet_notify_data {
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unsigned int impedance_x100; /* ohms * 100 */
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};
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/* Notify data structure for MADERA_NOTIFY_MICDET */
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struct madera_micdet_notify_data {
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unsigned int impedance_x100; /* ohms * 100 */
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bool present;
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int out_num; /* 1 = OUT1, 2 = OUT2 */
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};
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struct madera_micd_bias {
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unsigned int bias;
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bool enabled;
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};
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struct madera_hpdet_trims {
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int off_x4;
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int grad_x4;
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};
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struct madera_extcon {
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struct device *dev;
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struct madera *madera;
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const struct madera_accdet_pdata *pdata;
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struct mutex lock;
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struct regulator *micvdd;
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struct input_dev *input;
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struct extcon_dev *edev;
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struct gpio_desc *micd_pol_gpio;
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u16 last_jackdet;
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int hp_tuning_level;
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const struct madera_hpdet_calibration_data *hpdet_ranges;
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int num_hpdet_ranges;
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unsigned int hpdet_init_range;
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const struct madera_hpdet_trims *hpdet_trims;
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unsigned int hpdet_short_x100;
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int micd_mode;
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const struct madera_micd_config *micd_modes;
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int num_micd_modes;
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const struct madera_micd_range *micd_ranges;
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int num_micd_ranges;
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int micd_res_old;
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int micd_debounce;
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int micd_count;
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int moisture_count;
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int mic_impedance;
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struct completion manual_mic_completion;
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struct delayed_work micd_detect_work;
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bool have_mic;
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bool detecting;
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bool wait_for_buttons;
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int jack_flips;
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const struct madera_jd_state *state;
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const struct madera_jd_state *old_state;
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struct delayed_work state_timeout_work;
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struct wakeup_source detection_wake_lock;
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struct madera_micd_bias micd_bias;
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};
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enum madera_accdet_mode {
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MADERA_ACCDET_MODE_MIC,
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MADERA_ACCDET_MODE_HPL,
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MADERA_ACCDET_MODE_HPR,
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MADERA_ACCDET_MODE_HPM,
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MADERA_ACCDET_MODE_ADC,
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MADERA_ACCDET_MODE_INVALID,
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};
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struct madera_jd_state {
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enum madera_accdet_mode mode;
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int (*start)(struct madera_extcon *);
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void (*restart)(struct madera_extcon *);
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int (*reading)(struct madera_extcon *, int);
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void (*stop)(struct madera_extcon *);
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int (*timeout_ms)(struct madera_extcon *);
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void (*timeout)(struct madera_extcon *);
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};
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int madera_jds_set_state(struct madera_extcon *info,
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const struct madera_jd_state *new_state);
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void madera_set_headphone_imp(struct madera_extcon *info, int ohms_x100);
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extern const struct madera_jd_state madera_hpdet_left;
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extern const struct madera_jd_state madera_hpdet_right;
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extern const struct madera_jd_state madera_hpdet_moisture;
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extern const struct madera_jd_state madera_micd_button;
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extern const struct madera_jd_state madera_micd_microphone;
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extern const struct madera_jd_state madera_micd_adc_mic;
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int madera_hpdet_start(struct madera_extcon *info);
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void madera_hpdet_restart(struct madera_extcon *info);
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void madera_hpdet_stop(struct madera_extcon *info);
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int madera_hpdet_reading(struct madera_extcon *info, int val);
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int madera_micd_start(struct madera_extcon *info);
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int madera_micd_button_start(struct madera_extcon *info);
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void madera_micd_stop(struct madera_extcon *info);
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int madera_micd_button_reading(struct madera_extcon *info, int val);
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int madera_micd_mic_start(struct madera_extcon *info);
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void madera_micd_mic_stop(struct madera_extcon *info);
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int madera_micd_mic_reading(struct madera_extcon *info, int val);
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int madera_micd_mic_timeout_ms(struct madera_extcon *info);
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void madera_micd_mic_timeout(struct madera_extcon *info);
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void madera_extcon_report(struct madera_extcon *info, int which, bool attached);
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int madera_extcon_manual_mic_reading(struct madera_extcon *info);
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#endif
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