221 lines
5.6 KiB
C
221 lines
5.6 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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*/
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#ifndef _ACCDET_H_
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#define _ACCDET_H_
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/device.h>
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#include <linux/slab.h>
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#include <linux/fs.h>
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#include <linux/mm.h>
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#include <linux/interrupt.h>
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#include <linux/vmalloc.h>
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#include <linux/platform_device.h>
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#include <linux/miscdevice.h>
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#include <linux/wait.h>
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#include <linux/spinlock.h>
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#include <linux/ctype.h>
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#include <linux/semaphore.h>
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#include <linux/uaccess.h>
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#include <linux/io.h>
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#include <linux/workqueue.h>
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#include <linux/delay.h>
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#include <linux/device.h>
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#include <linux/kdev_t.h>
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#include <linux/fs.h>
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#include <linux/cdev.h>
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#include <linux/uaccess.h>
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#include <linux/kthread.h>
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#include <linux/input.h>
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#include <linux/time.h>
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#include <linux/string.h>
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#define ACCDET_DEVNAME "accdet"
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/****** SW ENV define *************************************/
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#define PMIC_ACCDET_KERNEL 1
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#define PMIC_ACCDET_CTP 0
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#define PMIC_ACCDET_DEBUG 0
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#define PMIC_ACCDET_SUPPORT
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#define NO_KEY (0x0)
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#define UP_KEY (0x01)
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#define MD_KEY (0x02)
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#define DW_KEY (0x04)
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#define AS_KEY (0x08)
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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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/* IOCTL */
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#define ACCDET_IOC_MAGIC 'A'
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#define ACCDET_INIT _IO(ACCDET_IOC_MAGIC, 0)
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#define SET_CALL_STATE _IO(ACCDET_IOC_MAGIC, 1)
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#define GET_BUTTON_STATUS _IO(ACCDET_IOC_MAGIC, 2)
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/* 400us, Accdet irq clear timeout */
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#define ACCDET_TIME_OUT 0x61A80
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/* cable type recognized by accdet, and report to WiredAccessoryManager */
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enum accdet_report_state {
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NO_DEVICE = 0,
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HEADSET_MIC = 1,
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HEADSET_NO_MIC = 2,
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HEADSET_FIVE_POLE = 3,
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LINE_OUT_DEVICE = 4,
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};
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/* accdet status got from accdet FSM */
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enum accdet_status {
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PLUG_OUT = 0,
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MIC_BIAS = 1,
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HOOK_SWITCH = 2,
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BI_MIC_BIAS = 3,
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LINE_OUT = 4,
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STAND_BY = 5
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};
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/* EINT state when moisture enable */
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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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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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/* state00, 3pole | hook switch */
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unsigned int debounce0;
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/* state01, mic bias debounce */
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unsigned int debounce1;
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/* state11, plug out debounce */
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unsigned int debounce3;
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/* auxadc debounce */
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unsigned int debounce4;
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/* new, eint cmpmem pwm */
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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 head_dts_data {
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/* set mic bias voltage set: 0x02,1.9V;0x07,2.7V */
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unsigned int mic_vol;
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/* set mic bias mode:1,ACC;2,DCC,without internal bias;
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* 6,DCC,with internal bias
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*/
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unsigned int mic_mode;
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/* set the plugout debounce */
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unsigned int plugout_deb;
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/* eint0&eint1 polarity,LEVEL_HIGH(4); LEVEL_LOW(8);
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* EDGE_FALLING(2); EDGE_RISING(1)
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*/
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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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enum {
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accdet_state000 = 0, /* accdet_state + [reserved,A,B] */
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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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#if PMIC_ACCDET_CTP
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extern kal_bool plug_out_headset_debounce_test_enable;
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extern kal_bool headset_debounce_test_enable;
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extern kal_uint16 debounce0_test[];
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extern kal_uint16 debounce1_test[];
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extern kal_uint16 debounce3_test[];
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extern kal_uint16 debounce4_test[];
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extern kal_uint16 debounce_index;
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extern kal_uint16 adjust_eint_debounce03;
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extern kal_uint16 adjust_eint_debounce12;
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extern kal_uint16 eint_invert_debounce_index;
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extern kal_uint16 mic_vol;
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extern kal_uint16 mic_mode;
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extern kal_uint16 eint_pwm_width;
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extern kal_uint16 eint_pwm_thresh;
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extern kal_uint16 moisture_detect_enable;
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extern kal_uint16 eint_detect_mode;
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extern kal_uint16 moisture_detect_mode;
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extern kal_uint16 eint_use_ext_res;
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extern kal_uint16 moisture_comp_vth;
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extern kal_uint16 moisture_comp_vref2;
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extern kal_uint16 moisture_use_ext_res;
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extern kal_uint16 water_r_t;
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extern kal_uint16 moisture_ext_r_t;
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extern kal_uint16 moisture_int_r_t;
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#endif
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extern const struct of_device_id accdet_of_match[];
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/* just be called by audio module */
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extern int accdet_read_audio_res(unsigned int res_value);
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/* just be called by audio module for DC trim */
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extern void accdet_late_init(unsigned long data);
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extern void accdet_modify_vref_volt(void);
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extern const struct file_operations *accdet_get_fops(void);
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extern struct platform_driver accdet_driver_func(void);
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extern void mt_accdet_remove(void);
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extern void mt_accdet_suspend(void);
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extern void mt_accdet_resume(void);
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extern void accdet_set_debounce(int state, unsigned int debounce);
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extern int mt_accdet_probe(struct platform_device *dev);
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extern signed int pwrap_read(unsigned int adr, unsigned int *rdata);
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extern signed int pwrap_write(unsigned int adr, unsigned int wdata);
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long mt_accdet_unlocked_ioctl(struct file *file,
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unsigned int cmd, unsigned long arg);
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#endif
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