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kernel_samsung_a34x-permissive/drivers/misc/mediatek/accdet/mt6359/accdet.c
Fede2782 6db4831e98
Import A346BXXU4BWK2 kernel source 
Android 14
2024-04-28 15:51:13 +02:00

3679 lines
108 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2021 MediaTek Inc.
*/
#include "accdet.h"
#if PMIC_ACCDET_KERNEL
#ifdef CONFIG_ACCDET_EINT
#include <linux/of_gpio.h>
#endif
#include <linux/timer.h>
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/sched/clock.h>
#include <linux/timer.h>
#include <linux/irq.h>
#include "reg_accdet.h"
#if defined CONFIG_MTK_PMIC_NEW_ARCH
#include <upmu_common.h>
#include <mtk_auxadc_intf.h>
#include <mach/mtk_pmic.h>
#include <mach/upmu_hw.h>
#endif
#include <mach/mtk_pmic_wrap.h>
#ifdef CONFIG_MTK_PMIC_WRAP
#include <linux/regmap.h>
#include <linux/soc/mediatek/pmic_wrap.h>
#endif
#else
#include "string.h"
#include "reg_base.H"
#include "accdet_hw.h"
#include "accdet_sw.h"
#include "common.h"
#include "intrCtrl.h"
#include "api.h"
#ifdef MTKDRV_GPIO
#include "gpio.h"
#endif
#include "pmic_auxadc.h"
#endif /* end of #if PMIC_ACCDET_KERNEL */
/********************grobal variable definitions******************/
#if PMIC_ACCDET_CTP
#define CONFIG_ACCDET_EINT_IRQ
#define CONFIG_ACCDET_SUPPORT_EINT0
#define pr_info dbg_print
#define pr_debug dbg_print
#define pr_notice dbg_print
#define mdelay accdet_delay
#define udelay accdet_delay
#define atomic_t int
#define dev_t int
#define DEFINE_MUTEX(a)
#define mutex_lock(a)
#define mutex_unlock(a)
#define mod_timer(a, b)
#define __pm_wakeup_event(a, b)
#define del_timer_sync(a)
#define __pm_stay_awake(a)
#define __pm_relax(a)
#endif /* end of #if PMIC_ACCDET_CTP */
#define NO_USE_COMPARATOR 1
#if NO_USE_COMPARATOR
/* for headset pole type definition */
#define TYPE_AB_00 (0x00)/* 3-pole or hook_switch */
#define TYPE_AB_01 (0x01)/* 4-pole */
#define TYPE_AB_11 (0x03)/* plug-out */
#define TYPE_AB_10 (0x02)/* Illegal state */
struct Vol_Set {/* mv */
unsigned int vol_min_3pole;
unsigned int vol_max_3pole;
unsigned int vol_min_4pole;
unsigned int vol_max_4pole;
unsigned int vol_bias;/* >2500: 2800; others: 2500 */
};
static struct Vol_Set cust_vol_set;
#endif
#ifdef CONFIG_SND_SOC_SAMSUNG_AUDIO
#include "../../../../../sound/soc/samsung/sec_accdet_sysfs_cb.h"
#endif
#define REGISTER_VAL(x) (x - 1)
/* for accdet_read_audio_res, less than 5k ohm, return -1 , otherwise ret 0 */
#define RET_LT_5K (-1)
#define RET_GT_5K (0)
/* Used to let accdet know if the pin has been fully plugged-in */
#define EINT_PIN_PLUG_OUT (0)
#define EINT_PIN_PLUG_IN (1)
#define EINT_PIN_MOISTURE_DETECTED (2)
#define EINT_PIN_THING_IN (3)
#ifdef CONFIG_ACCDET_EINT_IRQ
enum pmic_eint_ID {
NO_PMIC_EINT = 0,
PMIC_EINT0 = 1,
PMIC_EINT1 = 2,
PMIC_BIEINT = 3,
};
#endif
/* accdet_status_str: to record current 'accdet_status' by string,
* mapping to 'enum accdet_status'
*/
static char *accdet_status_str[] = {
"Plug_out",
"Headset_plug_in",
"Hook_switch",
"Bi_mic",
"Line_out",
"Stand_by"
};
/* accdet_report_str: to record current 'cable_type' by string,
* mapping to 'enum accdet_report_state'
*/
static char *accdet_report_str[] = {
"No_device",
"Headset_mic",
"Headset_no_mic",
"Headset_five_pole",
"Line_out_device"
};
/* accdet char device & class & device */
static dev_t accdet_devno;
static struct cdev *accdet_cdev;
static struct class *accdet_class;
static struct device *accdet_device;
static int s_button_status;
/* accdet input device to report cable type and key event */
static struct input_dev *accdet_input_dev;
#if PMIC_ACCDET_KERNEL
#ifdef CONFIG_MTK_PMIC_WRAP
static struct regmap *accdet_regmap;
#endif
/* when MICBIAS_DISABLE_TIMER timeout, queue work: dis_micbias_work */
static struct work_struct dis_micbias_work;
static struct workqueue_struct *dis_micbias_workqueue;
/* when accdet irq issued, queue work: accdet_work work */
static struct work_struct accdet_work;
static struct workqueue_struct *accdet_workqueue;
/* when eint issued, queue work: eint_work */
static struct work_struct eint_work;
static struct workqueue_struct *eint_workqueue;
/* micbias_timer: disable micbias if no accdet irq after eint,
* timeout: 6 seconds
* timerHandler: dis_micbias_timerhandler()
*/
#define MICBIAS_DISABLE_TIMER (6 * HZ)
static struct timer_list micbias_timer;
static void dis_micbias_timerhandler(struct timer_list *t);
static bool dis_micbias_done;
#ifdef CONFIG_ACCDET_EINT_IRQ
static u32 gmoistureID;
#endif
static bool accdet_thing_in_flag;
static char accdet_log_buf[1536];
/* accdet_init_timer: init accdet if audio doesn't call to accdet for DC trim
* timeout: 10 seconds
* timerHandler: delay_init_timerhandler()
*/
#define ACCDET_INIT_WAIT_TIMER (10 * HZ)
static struct timer_list accdet_init_timer;
static void delay_init_timerhandler(struct timer_list *t);
static struct wakeup_source *accdet_irq_lock;
static struct wakeup_source *accdet_timer_lock;
static DEFINE_MUTEX(accdet_eint_irq_sync_mutex);
#endif /* end of #if PMIC_ACCDET_KERNEL */
/* accdet customized info by dts*/
static struct head_dts_data accdet_dts;
struct pwm_deb_settings *cust_pwm_deb;
#define ACCDET_OPEN_CABLE_TIMER (1 * HZ)
static struct timer_list accdet_open_cable_timer;
static void check_open_cable_timerhandler(struct timer_list *t);
#ifdef CONFIG_ACCDET_EINT
static struct pinctrl *accdet_pinctrl;
static struct pinctrl_state *pins_eint;
static u32 gpiopin, gpio_headset_deb;
static u32 accdet_irq;
#endif
static int moisture_ver = 0xff;
/* accdet FSM State & lock*/
static bool eint_accdet_sync_flag;
static u32 cur_eint_state = EINT_PIN_PLUG_OUT;
#ifdef CONFIG_ACCDET_SUPPORT_BI_EINT
static u32 cur_eint0_state = EINT_PIN_PLUG_OUT;
static u32 cur_eint1_state = EINT_PIN_PLUG_OUT;
#endif
static u32 pre_status;
static u32 accdet_status = PLUG_OUT;
static u32 cable_type;
static u32 cur_key;
static u32 cali_voltage;
static int accdet_auxadc_offset;
#ifdef CONFIG_ACCDET_EINT
static u32 accdet_eint_type = IRQ_TYPE_LEVEL_LOW;
#endif
static u32 button_press_debounce = 0x200;
static u32 button_press_debounce_01 = 0x400;
static atomic_t accdet_first;
/* SW mode only, moisture vm, resister declaration */
static unsigned int moisture_vm = 50; /* TBD */
/* moisture resister ohm */
static int water_r = 10000;
/* accdet Moisture detect */
/* unit is mv */
static int moisture_vdd_offset;
static int moisture_offset;
/* unit is ohm */
static int moisture_eint_offset;
/* unit is ohm */
static int moisture_int_r = 47000;
/* unit is ohm */
static int moisture_ext_r = 470000;
static bool debug_thread_en;
static bool dump_reg;
static struct task_struct *thread;
#ifdef CONFIG_SND_SOC_SAMSUNG_AUDIO
static struct accdet_data accdet_pdata;
#endif
/*******************local function declaration******************/
#ifdef CONFIG_ACCDET_EINT_IRQ
static u32 config_moisture_detect_1_0(void);
static u32 config_moisture_detect_1_1(void);
static u32 config_moisture_detect_2_1(void);
static u32 config_moisture_detect_2_1_1(void);
static u32 get_moisture_det_en(void);
static u32 get_moisture_sw_auxadc_check(void);
static u32 adjust_eint_analog_setting(u32 eintID);
static u32 adjust_moisture_analog_setting(u32 eintID);
static u32 adjust_moisture_setting(u32 moistureID, u32 eintID);
static u32 adjust_eint_setting(u32 moistureID, u32 eintID);
static void recover_eint_analog_setting(void);
static void recover_eint_digital_setting(void);
static void recover_eint_setting(u32 moistureID);
static void recover_moisture_setting(u32 moistureID);
static u32 get_triggered_eint(void);
static void config_digital_moisture_init_by_mode(void);
static void config_analog_moisture_init_by_mode(void);
static void config_eint_init_by_mode(void);
#endif
static void send_accdet_status_event(u32 cable_type, u32 status);
static void accdet_init_once(void);
static inline void accdet_init(void);
static void accdet_init_debounce(void);
static void mini_dump_register(void);
static void accdet_modify_vref_volt_self(void);
static inline void check_cable_type(void);
#if NO_USE_COMPARATOR
static unsigned int check_pole_type(void);
#endif
/*******************global function declaration*****************/
#if !defined CONFIG_MTK_PMIC_NEW_ARCH
enum PMIC_FAKE_IRQ_ENUM {
INT_ACCDET,
INT_ACCDET_EINT0,
INT_ACCDET_EINT1,
};
void pmic_register_interrupt_callback(unsigned int intNo,
void(EINT_FUNC_PTR)(void))
{
}
void pmic_enable_interrupt(enum PMIC_FAKE_IRQ_ENUM intNo,
unsigned int en, char *str)
{
}
unsigned int pmic_Read_Efuse_HPOffset(int i)
{
return 0;
}
#endif
#if !defined CONFIG_MTK_PMIC_WRAP && !defined CONFIG_MTK_PMIC_WRAP_HAL
signed int pwrap_read(unsigned int adr, unsigned int *rdata)
{
return 0;
}
signed int pwrap_write(unsigned int adr, unsigned int wdata)
{
return 0;
}
#endif
inline u32 pmic_read(u32 addr)
{
u32 val = 0;
#ifdef CONFIG_MTK_PMIC_WRAP
if (accdet_regmap)
regmap_read(accdet_regmap, addr, &val);
else
pr_notice("%s %d Error.\n", __func__, __LINE__);
#else
pwrap_read(addr, &val);
#endif
return val;
}
inline u32 pmic_read_mbit(u32 addr, u32 shift, u32 mask)
{
u32 val = 0;
#ifdef CONFIG_MTK_PMIC_WRAP
if (accdet_regmap)
regmap_read(accdet_regmap, addr, &val);
else
pr_notice("%s %d Error.\n", __func__, __LINE__);
#else
pwrap_read(addr, &val);
#endif
#if PMIC_ACCDET_DEBUG
if (dump_reg) {
pr_debug("%s [0x%x]=[0x%x], shift[0x%x], mask[0x%x]\n",
__func__, addr, ((val>>shift) & mask), shift, mask);
}
#endif
return ((val>>shift) & mask);
}
inline void pmic_write(u32 addr, u32 wdata)
{
#ifdef CONFIG_MTK_PMIC_WRAP
if (accdet_regmap)
regmap_write(accdet_regmap, addr, wdata);
else
pr_notice("%s %d Error.\n", __func__, __LINE__);
#else
pwrap_write(addr, wdata);
#endif
#if PMIC_ACCDET_DEBUG
if (dump_reg)
pr_debug("%s [0x%x]=[0x%x]\n", __func__, addr, wdata);
#endif
}
inline void pmic_write_mset(u32 addr, u32 shift, u32 mask, u32 data)
{
u32 pmic_reg = 0;
pmic_reg = pmic_read(addr);
pmic_reg &= ~(mask<<shift);
pmic_write(addr, pmic_reg | (data<<shift));
#if PMIC_ACCDET_DEBUG
if (dump_reg) {
pr_debug("%s [0x%x]=[0x%x], shift[0x%x], mask[0x%x], data[0x%x]\n",
__func__, addr, pmic_read(addr), shift, mask, data);
}
#endif
}
inline void pmic_write_set(u32 addr, u32 shift)
{
pmic_write(addr, pmic_read(addr) | (1<<shift));
#if PMIC_ACCDET_DEBUG
if (dump_reg) {
pr_debug("%s [0x%x]=[0x%x], shift[0x%x]\n",
__func__, addr, pmic_read(addr), shift);
}
#endif
}
inline void pmic_write_mclr(u32 addr, u32 shift, u32 data)
{
pmic_write(addr, pmic_read(addr) & ~(data<<shift));
#if PMIC_ACCDET_DEBUG
if (dump_reg) {
pr_debug("%s [0x%x]=[0x%x], shift[0x%x], data[0x%x]\n",
__func__, addr, pmic_read(addr), shift, data);
}
#endif
}
inline void pmic_write_clr(u32 addr, u32 shift)
{
pmic_write(addr, pmic_read(addr) & ~(1<<shift));
#if PMIC_ACCDET_DEBUG
if (dump_reg) {
pr_debug("%s [0x%x]=[0x%x], shift[0x%x]\n",
__func__, addr, pmic_read(addr), shift);
}
#endif
}
static void mini_dump_register(void)
{
int addr = 0, end_addr = 0, idx = 0, log_size = 0;
log_size +=
sprintf(accdet_log_buf,
"(0x%x)=0x%x (0x%x)=0x%x (0x%x)=0x%x (0x%x)=0x%x",
PMIC_ACCDET_SW_EN_ADDR,
pmic_read(PMIC_ACCDET_SW_EN_ADDR),
PMIC_ACCDET_CMP_PWM_EN_ADDR,
pmic_read(PMIC_ACCDET_CMP_PWM_EN_ADDR),
PMIC_ACCDET_IRQ_ADDR,
pmic_read(PMIC_ACCDET_IRQ_ADDR),
PMIC_ACCDET_DA_STABLE_ADDR,
pmic_read(PMIC_ACCDET_DA_STABLE_ADDR));
log_size += sprintf(accdet_log_buf + log_size,
"(0x%x)=0x%x (0x%x)=0x%x\naccdet (0x%x)=0x%x (0x%x)=0x%x",
PMIC_ACCDET_HWMODE_EN_ADDR,
pmic_read(PMIC_ACCDET_HWMODE_EN_ADDR),
PMIC_ACCDET_CMPEN_SEL_ADDR,
pmic_read(PMIC_ACCDET_CMPEN_SEL_ADDR),
PMIC_ACCDET_CMPEN_SW_ADDR,
pmic_read(PMIC_ACCDET_CMPEN_SW_ADDR),
PMIC_AD_AUDACCDETCMPOB_ADDR,
pmic_read(PMIC_AD_AUDACCDETCMPOB_ADDR));
log_size += sprintf(accdet_log_buf + log_size,
"(0x%x)=0x%x (0x%x)=0x%x (0x%x)=0x%x (0x%x)=0x%x\n",
PMIC_AD_EINT0CMPMOUT_ADDR,
pmic_read(PMIC_AD_EINT0CMPMOUT_ADDR),
PMIC_AD_EINT0INVOUT_ADDR,
pmic_read(PMIC_AD_EINT0INVOUT_ADDR),
PMIC_ACCDET_EN_ADDR,
pmic_read(PMIC_ACCDET_EN_ADDR),
PMIC_AD_AUDACCDETCMPOB_ADDR,
pmic_read(PMIC_AD_AUDACCDETCMPOB_ADDR));
end_addr = PMIC_RG_ACCDETSPARE_ADDR;
for (addr = PMIC_RG_AUDPWDBMICBIAS0_ADDR; addr <= end_addr; addr += 8) {
idx = addr;
log_size += sprintf(accdet_log_buf + log_size,
"accdet (0x%x)=0x%x (0x%x)=0x%x (0x%x)=0x%x (0x%x)=0x%x\n",
idx, pmic_read(idx),
idx+2, pmic_read(idx+2),
idx+4, pmic_read(idx+4),
idx+6, pmic_read(idx+6));
}
pr_info("\naccdet %s %d", accdet_log_buf, log_size);
}
static void dump_register(void)
{
int addr = 0, st_addr = 0, end_addr = 0, idx = 0;
if (dump_reg) {
#ifdef CONFIG_ACCDET_EINT_IRQ
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
pr_info("Accdet EINT0 support,MODE_%d regs:\n",
accdet_dts.mic_mode);
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
pr_info("Accdet EINT1 support,MODE_%d regs:\n",
accdet_dts.mic_mode);
#elif defined CONFIG_ACCDET_SUPPORT_BI_EINT
pr_info("Accdet BIEINT support,MODE_%d regs:\n",
accdet_dts.mic_mode);
#else
pr_info("ACCDET_EINT_IRQ:NO EINT configed.Error!!\n");
#endif
#elif defined CONFIG_ACCDET_EINT
pr_info("Accdet EINT,MODE_%d regs:\n",
accdet_dts.mic_mode);
#endif
pr_info("ACCDET_RG\n");
st_addr = PMIC_ACCDET_AUXADC_SEL_ADDR;
end_addr = PMIC_ACCDET_MON_FLAG_EN_ADDR;
for (addr = st_addr; addr <= end_addr; addr += 8) {
idx = addr;
pr_info("(0x%x)=0x%x (0x%x)=0x%x ",
idx, pmic_read(idx),
idx+2, pmic_read(idx+2));
pr_info("(0x%x)=0x%x (0x%x)=0x%x\n",
idx+4, pmic_read(idx+4),
idx+6, pmic_read(idx+6));
}
pr_info("AUDDEC_ANA_RG\n");
st_addr = PMIC_RG_AUDPREAMPLON_ADDR;
end_addr = PMIC_RG_CLKSQ_EN_ADDR;
for (addr = st_addr; addr <= end_addr; addr += 8) {
idx = addr;
pr_info("(0x%x)=0x%x (0x%x)=0x%x ",
idx, pmic_read(idx),
idx+2, pmic_read(idx+2));
pr_info("(0x%x)=0x%x (0x%x)=0x%x\n",
idx+4, pmic_read(idx+4),
idx+6, pmic_read(idx+6));
}
pr_info("(0x%x)=0x%x (0x%x)=0x%x (0x%x)=0x%x (0x%x)=0x%x\n",
PMIC_RG_RTC32K_CK_PDN_ADDR,
pmic_read(PMIC_RG_RTC32K_CK_PDN_ADDR),
PMIC_RG_ACCDET_CK_PDN_ADDR,
pmic_read(PMIC_RG_ACCDET_CK_PDN_ADDR),
PMIC_RG_ACCDET_RST_ADDR,
pmic_read(PMIC_RG_ACCDET_RST_ADDR),
PMIC_RG_INT_EN_ACCDET_ADDR,
pmic_read(PMIC_RG_INT_EN_ACCDET_ADDR));
pr_info("(0x%x)=0x%x (0x%x)=0x%x (0x%x)=0x%x (0x%x)=0x%x\n",
PMIC_RG_INT_MASK_ACCDET_ADDR,
pmic_read(PMIC_RG_INT_MASK_ACCDET_ADDR),
PMIC_RG_INT_STATUS_ACCDET_ADDR,
pmic_read(PMIC_RG_INT_STATUS_ACCDET_ADDR),
PMIC_RG_AUDPWDBMICBIAS1_ADDR,
pmic_read(PMIC_RG_AUDPWDBMICBIAS1_ADDR),
PMIC_RG_AUDACCDETMICBIAS0PULLLOW_ADDR,
pmic_read(PMIC_RG_AUDACCDETMICBIAS0PULLLOW_ADDR));
pr_info("(0x%x)=0x%x (0x%x)=0x%x\n",
PMIC_AUXADC_RQST_CH0_ADDR,
pmic_read(PMIC_AUXADC_RQST_CH0_ADDR),
PMIC_AUXADC_ACCDET_AUTO_SPL_ADDR,
pmic_read(PMIC_AUXADC_ACCDET_AUTO_SPL_ADDR));
pr_info("(0x%x)=0x%x\n", PMIC_RG_HPLOUTPUTSTBENH_VAUDP32_ADDR,
pmic_read(PMIC_RG_HPLOUTPUTSTBENH_VAUDP32_ADDR));
pr_info("accdet_dts:deb0=0x%x,deb1=0x%x,deb3=0x%x,deb4=0x%x\n",
cust_pwm_deb->debounce0, cust_pwm_deb->debounce1,
cust_pwm_deb->debounce3, cust_pwm_deb->debounce4);
} else
mini_dump_register();
}
#if PMIC_ACCDET_KERNEL
static void cat_register(char *buf)
{
int addr = 0, st_addr = 0, end_addr = 0, idx = 0, ret = 0;
dump_reg = true;
dump_register();
dump_reg = false;
ret = sprintf(accdet_log_buf, "ACCDET_RG\n");
if (ret < 0)
pr_notice("sprintf failed\n");
strncat(buf, accdet_log_buf, strlen(accdet_log_buf));
st_addr = PMIC_ACCDET_AUXADC_SEL_ADDR;
end_addr = PMIC_ACCDET_MON_FLAG_EN_ADDR;
for (addr = st_addr; addr <= end_addr; addr += 8) {
idx = addr;
ret = sprintf(accdet_log_buf,
"(0x%x)=0x%x (0x%x)=0x%x (0x%x)=0x%x (0x%x)=0x%x\n",
idx, pmic_read(idx),
idx+2, pmic_read(idx+2),
idx+4, pmic_read(idx+4),
idx+6, pmic_read(idx+6));
if (ret < 0)
pr_notice("sprintf failed\n");
strncat(buf, accdet_log_buf, strlen(accdet_log_buf));
}
ret = sprintf(accdet_log_buf, "AUDDEC_ANA_RG\n");
if (ret < 0)
pr_notice("sprintf failed\n");
strncat(buf, accdet_log_buf, strlen(accdet_log_buf));
st_addr = PMIC_RG_AUDPREAMPLON_ADDR;
end_addr = PMIC_RG_CLKSQ_EN_ADDR;
for (addr = st_addr; addr <= end_addr; addr += 8) {
idx = addr;
ret = sprintf(accdet_log_buf,
"(0x%x)=0x%x (0x%x)=0x%x (0x%x)=0x%x (0x%x)=0x%x\n",
idx, pmic_read(idx),
idx+2, pmic_read(idx+2),
idx+4, pmic_read(idx+4),
idx+6, pmic_read(idx+6));
if (ret < 0)
pr_notice("sprintf failed\n");
strncat(buf, accdet_log_buf, strlen(accdet_log_buf));
}
#ifdef CONFIG_ACCDET_EINT_IRQ
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
ret = sprintf(accdet_log_buf, "[Accdet EINT0 support][MODE_%d]regs:\n",
accdet_dts.mic_mode);
if (ret < 0)
pr_notice("sprintf failed\n");
strncat(buf, accdet_log_buf, strlen(accdet_log_buf));
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
ret = sprintf(accdet_log_buf, "[Accdet EINT1 support][MODE_%d]regs:\n",
accdet_dts.mic_mode);
if (ret < 0)
pr_notice("sprintf failed\n");
strncat(buf, accdet_log_buf, strlen(accdet_log_buf));
#elif defined CONFIG_ACCDET_SUPPORT_BI_EINT
ret = sprintf(accdet_log_buf, "[Accdet EINT support][MODE_%d] regs:\n",
accdet_dts.mic_mode);
if (ret < 0)
pr_notice("sprintf failed\n");
strncat(buf, accdet_log_buf, strlen(accdet_log_buf));
#else
strncat(buf, "ACCDET_EINT_IRQ:NO EINT configed.Error!!\n", 64);
#endif
#elif defined CONFIG_ACCDET_EINT
ret = sprintf(accdet_log_buf, "[Accdet AP EINT][MODE_%d] regs:\n",
accdet_dts.mic_mode);
if (ret < 0)
pr_notice("sprintf failed\n");
strncat(buf, accdet_log_buf, strlen(accdet_log_buf));
#else
strncat(buf, "ACCDET EINT:No configed.Error!!\n", 64);
#endif
ret = sprintf(accdet_log_buf, "[0x%x]=0x%x\n",
PMIC_RG_SCK32K_CK_PDN_ADDR,
pmic_read(PMIC_RG_SCK32K_CK_PDN_ADDR));
if (ret < 0)
pr_notice("sprintf failed\n");
strncat(buf, accdet_log_buf, strlen(accdet_log_buf));
ret = sprintf(accdet_log_buf, "[0x%x]=0x%x\n",
PMIC_RG_ACCDET_RST_ADDR, pmic_read(PMIC_RG_ACCDET_RST_ADDR));
if (ret < 0)
pr_notice("sprintf failed\n");
strncat(buf, accdet_log_buf, strlen(accdet_log_buf));
ret = sprintf(accdet_log_buf, "[0x%x]=0x%x, [0x%x]=0x%x, [0x%x]=0x%x\n",
PMIC_RG_INT_EN_ACCDET_ADDR,
pmic_read(PMIC_RG_INT_EN_ACCDET_ADDR),
PMIC_RG_INT_MASK_ACCDET_ADDR,
pmic_read(PMIC_RG_INT_MASK_ACCDET_ADDR),
PMIC_RG_INT_STATUS_ACCDET_ADDR,
pmic_read(PMIC_RG_INT_STATUS_ACCDET_ADDR));
if (ret < 0)
pr_notice("sprintf failed\n");
strncat(buf, accdet_log_buf, strlen(accdet_log_buf));
ret = sprintf(accdet_log_buf, "[0x%x]=0x%x,[0x%x]=0x%x\n",
PMIC_RG_AUDPWDBMICBIAS1_ADDR,
pmic_read(PMIC_RG_AUDPWDBMICBIAS1_ADDR),
PMIC_RG_AUDACCDETMICBIAS0PULLLOW_ADDR,
pmic_read(PMIC_RG_AUDACCDETMICBIAS0PULLLOW_ADDR));
if (ret < 0)
pr_notice("sprintf failed\n");
strncat(buf, accdet_log_buf, strlen(accdet_log_buf));
ret = sprintf(accdet_log_buf, "[0x%x]=0x%x, [0x%x]=0x%x\n",
PMIC_AUXADC_RQST_CH5_ADDR, pmic_read(PMIC_AUXADC_RQST_CH5_ADDR),
PMIC_AUXADC_ACCDET_AUTO_SPL_ADDR,
pmic_read(PMIC_AUXADC_ACCDET_AUTO_SPL_ADDR));
if (ret < 0)
pr_notice("sprintf failed\n");
strncat(buf, accdet_log_buf, strlen(accdet_log_buf));
ret = sprintf(accdet_log_buf,
"dtsInfo:deb0=0x%x,deb1=0x%x,deb3=0x%x,deb4=0x%x\n",
cust_pwm_deb->debounce0, cust_pwm_deb->debounce1,
cust_pwm_deb->debounce3, cust_pwm_deb->debounce4);
if (ret < 0)
pr_notice("sprintf failed\n");
strncat(buf, accdet_log_buf, strlen(accdet_log_buf));
}
static int dbug_thread(void *unused)
{
dump_register();
return 0;
}
static ssize_t start_debug_store(struct device_driver *ddri,
const char *buf, size_t count)
{
int error = 0;
int ret = 0;
if (strlen(buf) < 1) {
pr_notice("%s() Invalid input!!\n", __func__);
return -EINVAL;
}
ret = strncmp(buf, "0", 1);
/* fix syzkaller issue */
if (debug_thread_en == true) {
pr_info("%s() debug thread started, ret!\n", __func__);
return count;
}
if (ret) {
debug_thread_en = true;
thread = kthread_run(dbug_thread, 0, "ACCDET");
if (IS_ERR(thread)) {
error = PTR_ERR(thread);
pr_notice("%s() create thread failed,err:%d\n",
__func__, error);
} else
pr_info("%s() start debug thread!\n", __func__);
} else {
debug_thread_en = false;
pr_info("%s() stop debug thread!\n", __func__);
}
return count;
}
static ssize_t set_reg_store(struct device_driver *ddri,
const char *buf, size_t count)
{
int ret = 0;
u32 addr_tmp = 0;
u32 value_tmp = 0;
if (strlen(buf) < 3) {
pr_notice("%s() Invalid input!!\n", __func__);
return -EINVAL;
}
ret = sscanf(buf, "0x%x,0x%x", &addr_tmp, &value_tmp);
if (ret < 0)
return ret;
pr_info("%s() set addr[0x%x]=0x%x\n", __func__, addr_tmp, value_tmp);
if (addr_tmp < PMIC_TOP0_ANA_ID_ADDR)
pr_notice("%s() Illegal addr[0x%x]!!\n", __func__, addr_tmp);
else
pmic_write(addr_tmp, value_tmp);
return count;
}
static ssize_t dump_reg_show(struct device_driver *ddri, char *buf)
{
if (buf == NULL) {
pr_notice("%s() *buf is NULL\n", __func__);
return -EINVAL;
}
cat_register(buf);
pr_info("%s() buf_size:%d\n", __func__, (int)strlen(buf));
return strlen(buf);
}
static ssize_t dump_reg_store(struct device_driver *ddri,
const char *buf, size_t count)
{
int ret = 0;
if (strlen(buf) < 1) {
pr_notice("%s() Invalid input!!\n", __func__);
return -EINVAL;
}
ret = strncmp(buf, "0", 1);
if (ret) {
dump_reg = true;
pr_info("%s() start dump regs!\n", __func__);
} else {
dump_reg = false;
pr_info("%s() stop dump regs!\n", __func__);
}
return count;
}
static ssize_t set_headset_mode_store(struct device_driver *ddri,
const char *buf, size_t count)
{
int ret = 0;
int tmp_headset_mode = 0;
if (strlen(buf) < 1) {
pr_notice("%s() Invalid input!\n", __func__);
return -EINVAL;
}
ret = kstrtoint(buf, 10, &tmp_headset_mode);
if (ret < 0) {
pr_notice("%s() kstrtoint failed! ret:%d\n", __func__, ret);
return ret;
}
pr_info("%s() get mic mode: %d\n", __func__, tmp_headset_mode);
switch (tmp_headset_mode&0x0F) {
case HEADSET_MODE_1:
pr_info("%s() Don't support switch to mode_1!\n", __func__);
/* accdet_dts.mic_mode = tmp_headset_mode; */
/* accdet_init(); */
/* accdet_init_debounce(); */
break;
case HEADSET_MODE_2:
accdet_dts.mic_mode = tmp_headset_mode;
accdet_init();
accdet_init_debounce();
break;
case HEADSET_MODE_6:
accdet_dts.mic_mode = tmp_headset_mode;
accdet_init();
accdet_init_debounce();
break;
default:
pr_info("%s() Invalid mode: %d\n", __func__, tmp_headset_mode);
break;
}
if (pmic_read(PMIC_SWCID_ADDR) == 0x5910)
pr_info("accdet not supported\r");
else
accdet_init_once();
return count;
}
static ssize_t state_show(struct device_driver *ddri, char *buf)
{
char temp_type = (char)cable_type;
int ret = 0;
if (buf == NULL) {
pr_notice("[%s] *buf is NULL!\n", __func__);
return -EINVAL;
}
ret = snprintf(buf, 3, "%d\n", temp_type);
if (ret < 0)
pr_notice("snprintf failed\n");
return strlen(buf);
}
static DRIVER_ATTR_WO(start_debug);
static DRIVER_ATTR_WO(set_reg);
static DRIVER_ATTR_RW(dump_reg);
static DRIVER_ATTR_WO(set_headset_mode);
static DRIVER_ATTR_RO(state);
static struct driver_attribute *accdet_attr_list[] = {
&driver_attr_start_debug,
&driver_attr_set_reg,
&driver_attr_dump_reg,
&driver_attr_set_headset_mode,
&driver_attr_state,
};
static int accdet_create_attr(struct device_driver *driver)
{
int idx, err;
int num = ARRAY_SIZE(accdet_attr_list);
if (driver == NULL)
return -EINVAL;
for (idx = 0; idx < num; idx++) {
err = driver_create_file(driver, accdet_attr_list[idx]);
if (err) {
pr_notice("%s() driver_create_file %s err:%d\n",
__func__, accdet_attr_list[idx]->attr.name, err);
break;
}
}
return err;
}
/* get plug-in Resister for audio call */
int accdet_read_audio_res(unsigned int res_value)
{
pr_info("%s() resister value: R=%u(ohm)\n", __func__, res_value);
/* if res < 5k ohm normal device; res >= 5k ohm, lineout device */
if (res_value < 5000)
return RET_LT_5K;
mutex_lock(&accdet_eint_irq_sync_mutex);
if (eint_accdet_sync_flag) {
cable_type = LINE_OUT_DEVICE;
accdet_status = LINE_OUT;
send_accdet_status_event(cable_type, 1);
pr_info("%s() update state:%d\n", __func__, cable_type);
}
mutex_unlock(&accdet_eint_irq_sync_mutex);
return RET_GT_5K;
}
EXPORT_SYMBOL(accdet_read_audio_res);
static u64 accdet_get_current_time(void)
{
return sched_clock();
}
static bool accdet_timeout_ns(u64 start_time_ns, u64 timeout_time_ns)
{
u64 cur_time = 0;
u64 elapse_time = 0;
/* get current tick, ns */
cur_time = accdet_get_current_time();
if (cur_time < start_time_ns) {
pr_notice("%s Timer overflow! start%lld cur timer%lld\n",
__func__, start_time_ns, cur_time);
start_time_ns = cur_time;
/* 400us */
timeout_time_ns = 400 * 1000;
pr_notice("%s Reset timer! start%lld setting%lld\n",
__func__, start_time_ns, timeout_time_ns);
}
elapse_time = cur_time - start_time_ns;
/* check if timeout */
if (timeout_time_ns <= elapse_time) {
pr_notice("%s IRQ clear Timeout\n", __func__);
return false;
}
return true;
}
#endif /* end of #if PMIC_ACCDET_KERNEL */
static u32 accdet_get_auxadc(int deCount)
{
#if defined CONFIG_MTK_PMIC_NEW_ARCH | defined PMIC_ACCDET_CTP
int vol = pmic_get_auxadc_value(AUXADC_LIST_ACCDET);
pr_info("%s() vol_val:%d offset:%d real vol:%d mv!\n", __func__, vol,
accdet_auxadc_offset,
(vol < accdet_auxadc_offset) ? 0 : (vol-accdet_auxadc_offset));
if (vol < accdet_auxadc_offset)
vol = 0;
else
vol -= accdet_auxadc_offset;
return vol;
#else
return 0;
#endif
}
static void accdet_get_efuse(void)
{
u32 efuseval = 0;
int tmp_div;
unsigned int moisture_eint0;
unsigned int moisture_eint1;
/* accdet offset efuse:
* this efuse must divided by 2
*/
efuseval = pmic_Read_Efuse_HPOffset(109);
accdet_auxadc_offset = efuseval & 0xFF;
if (accdet_auxadc_offset > 128)
accdet_auxadc_offset -= 256;
accdet_auxadc_offset = (accdet_auxadc_offset/2);
pr_info("%s efuse=0x%x,auxadc_val=%dmv\n", __func__, efuseval,
accdet_auxadc_offset);
/* all of moisture_vdd/moisture_offset0/eint is 2'complement,
* we need to transfer it
*/
/* moisture vdd efuse offset */
efuseval = pmic_Read_Efuse_HPOffset(112);
moisture_vdd_offset = (int)((efuseval >> 8) & ACCDET_CALI_MASK0);
if (moisture_vdd_offset > 128)
moisture_vdd_offset -= 256;
pr_info("%s moisture_vdd efuse=0x%x, moisture_vdd_offset=%d mv\n",
__func__, efuseval, moisture_vdd_offset);
/* moisture offset */
efuseval = pmic_Read_Efuse_HPOffset(113);
moisture_offset = (int)(efuseval & ACCDET_CALI_MASK0);
if (moisture_offset > 128)
moisture_offset -= 256;
pr_info("%s moisture_efuse efuse=0x%x,moisture_offset=%d mv\n",
__func__, efuseval, moisture_offset);
if (accdet_dts.moisture_use_ext_res == 0x0) {
/* moisture eint efuse offset */
efuseval = pmic_Read_Efuse_HPOffset(111);
moisture_eint0 = (int)((efuseval >> 8) & ACCDET_CALI_MASK0);
pr_info("%s moisture_eint0 efuse=0x%x,moisture_eint0=0x%x\n",
__func__, efuseval, moisture_eint0);
efuseval = pmic_Read_Efuse_HPOffset(112);
moisture_eint1 = (int)(efuseval & ACCDET_CALI_MASK0);
pr_info("%s moisture_eint1 efuse=0x%x,moisture_eint1=0x%x\n",
__func__, efuseval, moisture_eint1);
moisture_eint_offset = (moisture_eint1 << 8) | moisture_eint0;
if (moisture_eint_offset > 32768)
moisture_eint_offset -= 65536;
pr_info("%s moisture_eint_offset=%d ohm\n", __func__,
moisture_eint_offset);
moisture_vm = (2800 + moisture_vdd_offset);
moisture_vm = moisture_vm * (water_r + moisture_int_r);
tmp_div = water_r + moisture_int_r +
8 * moisture_eint_offset + 450000;
moisture_vm = moisture_vm / tmp_div;
moisture_vm = moisture_vm + moisture_offset / 2;
pr_info("%s internal moisture_vm=%d mv\n", __func__,
moisture_vm);
} else if (accdet_dts.moisture_use_ext_res == 0x1) {
if (moisture_vm == 0x0) {
moisture_vm = (2800 + moisture_vdd_offset);
moisture_vm = moisture_vm * water_r;
moisture_vm = moisture_vm / (water_r + moisture_ext_r);
moisture_vm = moisture_vm + (moisture_offset >> 1);
pr_info("%s external moisture_vm=%d mv\n", __func__,
moisture_vm);
}
}
}
#ifdef CONFIG_FOUR_KEY_HEADSET
static void accdet_get_efuse_4key(void)
{
u32 tmp_val = 0;
u32 tmp_8bit = 0;
/* 4-key efuse:
* bit[9:2] efuse value is loaded, so every read out value need to be
* left shift 2 bit,and then compare with voltage get from AUXADC.
* AD efuse: key-A Voltage:0--AD;
* DB efuse: key-D Voltage: AD--DB;
* BC efuse: key-B Voltage:DB--BC;
* key-C Voltage: BC--600;
*/
tmp_val = pmic_Read_Efuse_HPOffset(110);
tmp_8bit = tmp_val & ACCDET_CALI_MASK0;
accdet_dts.four_key.mid = tmp_8bit << 2;
tmp_8bit = (tmp_val >> 8) & ACCDET_CALI_MASK0;
accdet_dts.four_key.voice = tmp_8bit << 2;
tmp_val = pmic_Read_Efuse_HPOffset(111);
tmp_8bit = tmp_val & ACCDET_CALI_MASK0;
accdet_dts.four_key.up = tmp_8bit << 2;
accdet_dts.four_key.down = 600;
pr_info("accdet key thresh: mid=%dmv,voice=%dmv,up=%dmv,down=%dmv\n",
accdet_dts.four_key.mid, accdet_dts.four_key.voice,
accdet_dts.four_key.up, accdet_dts.four_key.down);
}
static u32 key_check(u32 v)
{
if ((v < accdet_dts.four_key.down) && (v >= accdet_dts.four_key.up))
return DW_KEY;
if ((v < accdet_dts.four_key.up) && (v >= accdet_dts.four_key.voice))
return UP_KEY;
if ((v < accdet_dts.four_key.voice) && (v >= accdet_dts.four_key.mid))
return AS_KEY;
if (v < accdet_dts.four_key.mid)
return MD_KEY;
return NO_KEY;
}
#else
static u32 key_check(u32 v)
{
if ((v < accdet_dts.three_key.down) && (v >= accdet_dts.three_key.up))
return DW_KEY;
if ((v < accdet_dts.three_key.up) && (v >= accdet_dts.three_key.mid))
return UP_KEY;
if (v < accdet_dts.three_key.mid)
return MD_KEY;
return NO_KEY;
}
#endif
#if PMIC_ACCDET_KERNEL
static void send_key_event(u32 keycode, u32 flag)
{
switch (keycode) {
case DW_KEY:
input_report_key(accdet_input_dev, KEY_VOLUMEDOWN, flag);
input_sync(accdet_input_dev);
pr_debug("accdet KEY_VOLUMEDOWN %d\n", flag);
break;
case UP_KEY:
input_report_key(accdet_input_dev, KEY_VOLUMEUP, flag);
input_sync(accdet_input_dev);
pr_debug("accdet KEY_VOLUMEUP %d\n", flag);
break;
case MD_KEY:
input_report_key(accdet_input_dev, KEY_MEDIA, flag);
input_sync(accdet_input_dev);
pr_debug("accdet KEY_MEDIA %d\n", flag);
break;
case AS_KEY:
input_report_key(accdet_input_dev, KEY_VOICECOMMAND, flag);
input_sync(accdet_input_dev);
pr_debug("accdet KEY_VOICECOMMAND %d\n", flag);
break;
}
#ifdef CONFIG_SND_SOC_SAMSUNG_AUDIO
accdet_pdata.key_state = (flag) ? 1 : 0;
#endif
}
static void send_accdet_status_event(u32 cable_type, u32 status)
{
switch (cable_type) {
case HEADSET_NO_MIC:
input_report_switch(accdet_input_dev, SW_HEADPHONE_INSERT,
status);
/* when plug 4-pole out, if both AB=3 AB=0 happen,3-pole plug
* in will be incorrectly reported, then 3-pole plug-out is
* reported,if no mantory 4-pole plug-out, icon would be
* visible.
*/
if (status == 0)
input_report_switch(accdet_input_dev,
SW_MICROPHONE_INSERT, status);
input_sync(accdet_input_dev);
pr_info("%s HEADPHONE(3-pole) %s\n", __func__,
status ? "PlugIn" : "PlugOut");
break;
case HEADSET_MIC:
/* when plug 4-pole out, 3-pole plug out should also be
* reported for slow plug-in case
*/
if (status == 0)
input_report_switch(accdet_input_dev,
SW_HEADPHONE_INSERT, status);
input_report_switch(accdet_input_dev, SW_MICROPHONE_INSERT,
status);
input_sync(accdet_input_dev);
pr_info("%s MICROPHONE(4-pole) %s\n", __func__,
status ? "PlugIn" : "PlugOut");
break;
case LINE_OUT_DEVICE:
input_report_switch(accdet_input_dev, SW_LINEOUT_INSERT,
status);
input_sync(accdet_input_dev);
pr_info("%s LineOut %s\n", __func__,
status ? "PlugIn" : "PlugOut");
break;
default:
pr_info("%s Invalid cableType\n", __func__);
}
#ifdef CONFIG_SND_SOC_SAMSUNG_AUDIO
if (status == 0)
accdet_pdata.jack_state = NO_DEVICE;
else
accdet_pdata.jack_state = cable_type;
#endif
}
#else
u64 accdet_get_current_time(void)
{
return 0;
}
static bool accdet_timeout_ns(u64 start_time_ns, u64 timeout_time_ns)
{
return true;
}
static void send_key_event(u32 keycode, u32 flag)
{
}
static void send_accdet_status_event(u32 cable_type, u32 status)
{
}
#endif /* end of #if PMIC_ACCDET_KERNEL */
static void multi_key_detection(u32 cur_AB)
{
#ifdef CONFIG_ACCDET_EINT_IRQ
bool irq_bit;
#endif
if (cur_AB == ACCDET_STATE_AB_00)
cur_key = key_check(cali_voltage);
#ifdef CONFIG_SND_SOC_SAMSUNG_AUDIO
if (cur_AB == ACCDET_STATE_AB_00)
accdet_pdata.mic_adc = cali_voltage;
else
accdet_pdata.mic_adc = 0;
#endif
/* delay to fix side effect key when plug-out, when plug-out,seldom
* issued AB=0 and Eint, delay to wait eint been flaged in register.
* or eint handler issued. cur_eint_state == PLUG_OUT
*/
usleep_range(10000, 12000);
#ifdef CONFIG_ACCDET_EINT_IRQ
irq_bit = !(pmic_read(PMIC_ACCDET_IRQ_ADDR) & ACCDET_EINT_IRQ_B2_B3);
/* send key when: no eint is flaged in reg, and now eint PLUG_IN */
if (irq_bit && (cur_eint_state == EINT_PIN_PLUG_IN))
#elif defined CONFIG_ACCDET_EINT
if (cur_eint_state == EINT_PIN_PLUG_IN)
#endif
send_key_event(cur_key, !cur_AB);
else {
pr_info("accdet plugout sideeffect key,do not report key=%d\n",
cur_key);
cur_key = NO_KEY;
}
if (cur_AB)
cur_key = NO_KEY;
}
/* clear ACCDET IRQ in accdet register */
static inline void clear_accdet_int(void)
{
/* it is safe by using polling to adjust when to clear IRQ_CLR_BIT */
pmic_write_set(PMIC_ACCDET_IRQ_ADDR, PMIC_ACCDET_IRQ_CLR_SHIFT);
pr_debug("%s() IRQ_STS = 0x%x\n", __func__,
pmic_read(PMIC_ACCDET_IRQ_ADDR));
}
static inline void clear_accdet_int_check(void)
{
u64 cur_time = accdet_get_current_time();
while ((pmic_read(PMIC_ACCDET_IRQ_ADDR) & ACCDET_IRQ_B0) &&
(accdet_timeout_ns(cur_time, ACCDET_TIME_OUT)))
;
/* clear accdet int, modify for fix interrupt trigger twice error */
pmic_write_clr(PMIC_ACCDET_IRQ_ADDR, PMIC_ACCDET_IRQ_CLR_SHIFT);
pmic_write_set(PMIC_RG_INT_STATUS_ACCDET_ADDR,
PMIC_RG_INT_STATUS_ACCDET_SHIFT);
}
#ifdef CONFIG_ACCDET_EINT_IRQ
static inline void clear_accdet_eint(u32 eintid)
{
if ((eintid & PMIC_EINT0) == PMIC_EINT0) {
pmic_write_set(PMIC_ACCDET_IRQ_ADDR,
PMIC_ACCDET_EINT0_IRQ_CLR_SHIFT);
}
if ((eintid & PMIC_EINT1) == PMIC_EINT1) {
pmic_write_set(PMIC_ACCDET_IRQ_ADDR,
PMIC_ACCDET_EINT1_IRQ_CLR_SHIFT);
}
pr_debug("%s() eint-%s IRQ-STS:[0x%x]=0x%x\n", __func__,
(eintid == PMIC_EINT0)?"0":((eintid == PMIC_EINT1)?"1":"BI"),
PMIC_ACCDET_IRQ_ADDR, pmic_read(PMIC_ACCDET_IRQ_ADDR));
}
static inline void clear_accdet_eint_check(u32 eintid)
{
u64 cur_time = accdet_get_current_time();
if ((eintid & PMIC_EINT0) == PMIC_EINT0) {
while ((pmic_read(PMIC_ACCDET_IRQ_ADDR) & ACCDET_EINT0_IRQ_B2)
&& (accdet_timeout_ns(cur_time, ACCDET_TIME_OUT)))
;
pmic_write_clr(PMIC_ACCDET_IRQ_ADDR,
PMIC_ACCDET_EINT0_IRQ_CLR_SHIFT);
pmic_write_set(PMIC_RG_INT_STATUS_ACCDET_ADDR,
PMIC_RG_INT_STATUS_ACCDET_EINT0_SHIFT);
}
if ((eintid & PMIC_EINT1) == PMIC_EINT1) {
while ((pmic_read(PMIC_ACCDET_IRQ_ADDR) & ACCDET_EINT1_IRQ_B3)
&& (accdet_timeout_ns(cur_time, ACCDET_TIME_OUT)))
;
pmic_write_clr(PMIC_ACCDET_IRQ_ADDR,
PMIC_ACCDET_EINT1_IRQ_CLR_SHIFT);
pmic_write_set(PMIC_RG_INT_STATUS_ACCDET_ADDR,
PMIC_RG_INT_STATUS_ACCDET_EINT1_SHIFT);
}
pr_debug("%s() eint-%s IRQ-STS:[0x%x]=0x%x TOP_INT_STS:[0x%x]:0x%x\n",
__func__,
(eintid == PMIC_EINT0)?"0":((eintid == PMIC_EINT1)?"1":"BI"),
PMIC_ACCDET_IRQ_ADDR, pmic_read(PMIC_ACCDET_IRQ_ADDR),
PMIC_RG_INT_STATUS_ACCDET_ADDR,
pmic_read(PMIC_RG_INT_STATUS_ACCDET_ADDR));
}
static u32 get_moisture_det_en(void)
{
return accdet_dts.moisture_detect_enable;
}
static u32 get_moisture_sw_auxadc_check(void)
{
unsigned int moisture_vol = 0;
if (accdet_dts.moisture_detect_mode == 0x1 ||
accdet_dts.moisture_detect_mode == 0x2 ||
accdet_dts.moisture_detect_mode == 0x3) {
if (cur_eint_state == EINT_PIN_MOISTURE_DETECTED) {
pr_info("%s Moisture plug out detectecd\n", __func__);
cur_eint_state = EINT_PIN_PLUG_OUT;
return M_PLUG_OUT;
}
if (cur_eint_state == EINT_PIN_PLUG_OUT) {
pr_info("%s now check moisture\n", __func__);
moisture_vol = accdet_get_auxadc(0);
pr_info("moisture_vol:0x%x, moisture_vm:0x%x\r",
moisture_vol, moisture_vm);
if (moisture_vol > moisture_vm) {
pr_info("%s water in detectecd!\n",
__func__);
cur_eint_state = EINT_PIN_MOISTURE_DETECTED;
return M_WATER_IN;
} else {
return M_HP_PLUG_IN;
}
pr_info("%s check moisture done,not water.\n",
__func__);
}
}
return M_NO_ACT;
}
static u32 adjust_eint_analog_setting(u32 eintID)
{
if ((accdet_dts.eint_detect_mode == 0x3) ||
(accdet_dts.eint_detect_mode == 0x4)) {
/* ESD switches off */
pmic_write_clr(PMIC_RG_ACCDETSPARE_ADDR, 8);
}
if (accdet_dts.eint_detect_mode == 0x4) {
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
/* enable RG_EINT0CONFIGACCDET */
pmic_write_set(PMIC_RG_EINT0CONFIGACCDET_ADDR,
PMIC_RG_EINT0CONFIGACCDET_SHIFT);
/*select 500k, use internal resistor */
pmic_write_set(PMIC_RG_EINT0HIRENB_ADDR,
PMIC_RG_EINT0HIRENB_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
/* enable RG_EINT1CONFIGACCDET */
pmic_write_set(PMIC_RG_EINT1CONFIGACCDET_ADDR,
PMIC_RG_EINT1CONFIGACCDET_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_BI_EINT
/* enable RG_EINT0CONFIGACCDET */
pmic_write_set(PMIC_RG_EINT0CONFIGACCDET_ADDR,
PMIC_RG_EINT0CONFIGACCDET_SHIFT);
/* enable RG_EINT1CONFIGACCDET */
pmic_write_set(PMIC_RG_EINT1CONFIGACCDET_ADDR,
PMIC_RG_EINT1CONFIGACCDET_SHIFT);
#endif
if ((accdet_dts.eint_use_ext_res == 0x3) ||
(accdet_dts.eint_use_ext_res == 0x4)) {
/*select 500k, use internal resistor */
pmic_write_set(PMIC_RG_EINT0HIRENB_ADDR,
PMIC_RG_EINT0HIRENB_SHIFT);
}
}
return 0;
}
static u32 adjust_eint_digital_setting(u32 eintID)
{
unsigned int ret = 0;
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
/* disable inverter */
pmic_write_clr(PMIC_ACCDET_EINT0_INVERTER_SW_EN_ADDR,
PMIC_ACCDET_EINT0_INVERTER_SW_EN_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
/* disable inverter */
pmic_write_clr(PMIC_ACCDET_EINT1_INVERTER_SW_EN_ADDR,
PMIC_ACCDET_EINT1_INVERTER_SW_EN_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_BI_EINT
/* disable inverter */
pmic_write_clr(PMIC_ACCDET_EINT0_INVERTER_SW_EN_ADDR,
PMIC_ACCDET_EINT0_INVERTER_SW_EN_SHIFT);
/* disable inverter */
pmic_write_clr(PMIC_ACCDET_EINT1_INVERTER_SW_EN_ADDR,
PMIC_ACCDET_EINT1_INVERTER_SW_EN_SHIFT);
#endif
if ((accdet_dts.eint_detect_mode == 0x1) ||
(accdet_dts.eint_detect_mode == 0x2)) {
pmic_write_clr(PMIC_ACCDET_DA_STABLE_ADDR,
PMIC_ACCDET_EINT0_CEN_STABLE_SHIFT);
ret = get_moisture_sw_auxadc_check();
/* disable mtest en */
pmic_write_clr(PMIC_RG_MTEST_EN_ADDR, PMIC_RG_MTEST_EN_SHIFT);
pmic_write_clr(PMIC_AUDACCDETAUXADCSWCTRL_SEL_ADDR,
PMIC_AUDACCDETAUXADCSWCTRL_SEL_SHIFT);
return ret;
}
if (accdet_dts.eint_detect_mode == 0x3) {
pmic_write_clr(PMIC_ACCDET_DA_STABLE_ADDR,
PMIC_ACCDET_EINT0_CEN_STABLE_SHIFT);
pmic_write_set(PMIC_ACCDET_EINT_CTURBO_SEL_ADDR,
PMIC_ACCDET_EINT_CTURBO_SEL_SHIFT);
pmic_write_set(PMIC_ACCDET_EINT0_CTURBO_SW_ADDR,
PMIC_ACCDET_EINT0_CTURBO_SW_SHIFT);
pr_info("auxadc T1\r");
ret = get_moisture_sw_auxadc_check();
if ((ret == M_WATER_IN) || (ret == M_HP_PLUG_IN)) {
pmic_write_clr(PMIC_ACCDET_EINT_CTURBO_SEL_ADDR,
PMIC_ACCDET_EINT_CTURBO_SEL_SHIFT);
pmic_write_clr(PMIC_ACCDET_EINT0_CTURBO_SW_ADDR,
PMIC_ACCDET_EINT0_CTURBO_SW_SHIFT);
}
return ret;
}
if (accdet_dts.eint_detect_mode == 0x4) {
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
/* set DA stable signal */
pmic_write_clr(PMIC_ACCDET_DA_STABLE_ADDR,
PMIC_ACCDET_EINT0_CEN_STABLE_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
/* set DA stable signal */
pmic_write_clr(PMIC_ACCDET_DA_STABLE_ADDR,
PMIC_ACCDET_EINT1_CEN_STABLE_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_BI_EINT
/* set DA stable signal */
pmic_write_clr(PMIC_ACCDET_DA_STABLE_ADDR,
PMIC_ACCDET_EINT0_CEN_STABLE_SHIFT);
/* set DA stable signal */
pmic_write_clr(PMIC_ACCDET_DA_STABLE_ADDR,
PMIC_ACCDET_EINT1_CEN_STABLE_SHIFT);
#endif
}
return 0;
}
static u32 adjust_moisture_digital_setting(u32 eintID)
{
if ((accdet_dts.moisture_detect_mode == 0x1) ||
(accdet_dts.moisture_detect_mode == 0x2) ||
(accdet_dts.moisture_detect_mode == 0x3)) {
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
/* wk1, enable moisture detection */
pmic_write_set(PMIC_ACCDET_EINT0_M_SW_EN_ADDR,
PMIC_ACCDET_EINT0_M_SW_EN_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
/* wk1, enable moisture detection */
pmic_write_set(PMIC_ACCDET_EINT1_M_SW_EN_ADDR,
PMIC_ACCDET_EINT1_M_SW_EN_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_BI_EINT
/* wk1, enable moisture detection */
pmic_write_set(PMIC_ACCDET_EINT0_M_SW_EN_ADDR,
PMIC_ACCDET_EINT0_M_SW_EN_SHIFT);
pmic_write_set(PMIC_ACCDET_EINT1_M_SW_EN_ADDR,
PMIC_ACCDET_EINT1_M_SW_EN_SHIFT);
#endif
}
return 0;
}
static u32 adjust_moisture_analog_setting(u32 eintID)
{
unsigned int efuseval = 0, vref2val = 0, vref2hi = 0;
if (accdet_dts.moisture_detect_mode == 0x1) {
/* select VTH to 2.8v(default), can set to 2.4 or 2.0v by dts */
pmic_write_mset(PMIC_RG_EINTCOMPVTH_ADDR,
PMIC_RG_EINTCOMPVTH_SHIFT, PMIC_RG_EINTCOMPVTH_MASK,
accdet_dts.moisture_comp_vth);
} else if ((accdet_dts.moisture_detect_mode == 0x2) ||
(accdet_dts.moisture_detect_mode == 0x3)) {
/* select VTH to 2.8v(default), can set to 2.4 or 2.0v by dts */
pmic_write_mset(PMIC_RG_EINTCOMPVTH_ADDR,
PMIC_RG_EINTCOMPVTH_SHIFT, PMIC_RG_EINTCOMPVTH_MASK,
accdet_dts.moisture_comp_vth);
/* Enable mtest en */
pmic_write_set(PMIC_RG_MTEST_EN_ADDR, PMIC_RG_MTEST_EN_SHIFT);
/* select PAD_HP_EINT for moisture detection */
pmic_write_clr(PMIC_RG_MTEST_SEL_ADDR, PMIC_RG_MTEST_SEL_SHIFT);
} else if (accdet_dts.moisture_detect_mode == 0x4) {
/* do nothing */
} else if (accdet_dts.moisture_detect_mode == 0x5) {
/* enable VREF2 */
vref2hi = 0x1;
switch (accdet_dts.moisture_comp_vref2) {
case 0:
vref2val = 0x3;
break;
case 1:
vref2val = 0x7;
break;
case 2:
vref2val = 0xc;
break;
default:
vref2val = 0x3;
break;
}
pr_info("%s efuse=0x%x,vref2val=0x%x, vref2hi=0x%x\n",
__func__, efuseval, vref2val, vref2hi);
/* voltage 880~1330mV */
pmic_write_set(PMIC_RG_ACCDETSPARE_ADDR, 15);
pmic_write_mset(PMIC_RG_EINTCOMPVTH_ADDR,
6, 0x3, (vref2val & 0xc) >> 2);
pmic_write_mset(PMIC_RG_ACCDETSPARE_ADDR,
13, 0x3, (vref2val & 0x3));
/* golden setting
* pmic_write_mset(PMIC_RG_ACCDETSPARE_ADDR, 3, 0x1f, 0x1e);
*/
}
return 0;
}
static u32 adjust_moisture_setting(u32 moistureID, u32 eintID)
{
unsigned int ret = 0;
pr_notice("%s moistureID:%d accdet_thing_in_flag:%d cur_eint_state:%d\n",
__func__, moistureID, accdet_thing_in_flag, cur_eint_state);
if (moistureID == M_PLUG_IN) {
if (accdet_thing_in_flag == true) {
/* receive M_PLUG_IN second time, just clear irq sts */
clear_accdet_eint(eintID);
clear_accdet_eint_check(eintID);
} else {
/* to check if 1st time thing in interrupt */
accdet_thing_in_flag = true;
cur_eint_state = EINT_PIN_PLUG_OUT;
/* adjust analog moisture setting */
adjust_moisture_analog_setting(eintID);
if (accdet_dts.moisture_detect_mode != 0x5) {
/* wk2 */
pmic_write_set(PMIC_RG_EINT0HIRENB_ADDR,
PMIC_RG_EINT0HIRENB_SHIFT);
}
/* adjust digital setting */
ret = adjust_eint_digital_setting(eintID);
/* adjust digital moisture setting */
adjust_moisture_digital_setting(eintID);
/* sw axuadc check, EINT 1.0~ EINT 2.0 */
clear_accdet_eint(eintID);
clear_accdet_eint_check(eintID);
if (ret != 0)
return ret;
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
/* wk1, enable moisture detection */
pmic_write_set(PMIC_ACCDET_EINT0_M_SW_EN_ADDR,
PMIC_ACCDET_EINT0_M_SW_EN_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
/* wk1, enable moisture detection */
pmic_write_set(PMIC_ACCDET_EINT1_M_SW_EN_ADDR,
PMIC_ACCDET_EINT1_M_SW_EN_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_BI_EINT
/* wk1, enable moisture detection */
pmic_write_set(PMIC_ACCDET_EINT0_M_SW_EN_ADDR,
PMIC_ACCDET_EINT0_M_SW_EN_SHIFT);
pmic_write_set(PMIC_ACCDET_EINT1_M_SW_EN_ADDR,
PMIC_ACCDET_EINT1_M_SW_EN_SHIFT);
#endif
pr_info("%s() , thing in done\n", __func__);
}
return M_NO_ACT;
} else if (moistureID == M_WATER_IN) {
cur_eint_state = EINT_PIN_MOISTURE_DETECTED;
if (accdet_dts.moisture_detect_mode == 0x5) {
/* Case 5: water in need 128ms to detect plug out
* set debounce to 128ms
* this value shold less then eint_thresh
*/
accdet_set_debounce(eint_state011,
accdet_dts.pwm_deb.eint_debounce3);
} else {
/* water in need 0.12ms to detect plug out
* set debounce to 0.12ms
* this value shold less then eint_thresh
*/
accdet_set_debounce(eint_state011, 0x1);
}
clear_accdet_eint(eintID);
clear_accdet_eint_check(eintID);
return M_NO_ACT;
} else if (moistureID == M_HP_PLUG_IN) {
/* water in then HP in, recover state */
if (cur_eint_state == EINT_PIN_MOISTURE_DETECTED)
cur_eint_state = EINT_PIN_PLUG_OUT;
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
/* wk1, disable moisture detection */
pmic_write_clr(PMIC_ACCDET_EINT0_M_SW_EN_ADDR,
PMIC_ACCDET_EINT0_M_SW_EN_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
/* wk1, disable moisture detection */
pmic_write_clr(PMIC_ACCDET_EINT1_M_SW_EN_ADDR,
PMIC_ACCDET_EINT1_M_SW_EN_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_BI_EINT
/* wk1, disable moisture detection */
pmic_write_clr(PMIC_ACCDET_EINT0_M_SW_EN_ADDR,
PMIC_ACCDET_EINT0_M_SW_EN_SHIFT);
pmic_write_clr(PMIC_ACCDET_EINT1_M_SW_EN_ADDR,
PMIC_ACCDET_EINT1_M_SW_EN_SHIFT);
#endif
/* wk3, if HP + W together, after detect HP, we should
* set accdet_sync_flag to true to avoid receive W interrupt
*/
eint_accdet_sync_flag = true;
adjust_eint_analog_setting(eintID);
/* set debounce to 2ms */
accdet_set_debounce(eint_state000, 0x6);
} else if (moistureID == M_PLUG_OUT) {
/* set debounce to 1ms */
accdet_set_debounce(eint_state000,
accdet_dts.pwm_deb.eint_debounce0);
} else {
pr_debug("should not be here %s()\n", __func__);
}
return 0;
}
static u32 adjust_eint_setting(u32 moistureID, u32 eintID)
{
if (moistureID == M_PLUG_IN) {
/* adjust digital setting */
adjust_eint_digital_setting(eintID);
/* adjust analog setting */
adjust_eint_analog_setting(eintID);
} else if (moistureID == M_PLUG_OUT) {
/* set debounce to 1ms */
accdet_set_debounce(eint_state000,
accdet_dts.pwm_deb.eint_debounce0);
} else {
pr_debug("should not be here %s()\n", __func__);
}
/* dump_register(); */
return 0;
}
static void recover_eint_analog_setting(void)
{
if ((accdet_dts.eint_detect_mode == 0x3) ||
(accdet_dts.eint_detect_mode == 0x4)) {
/* ESD switches on */
pmic_write_set(PMIC_RG_ACCDETSPARE_ADDR, 8);
}
if (accdet_dts.eint_detect_mode == 0x4) {
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
/* disable RG_EINT0CONFIGACCDET */
pmic_write_clr(PMIC_RG_EINT0CONFIGACCDET_ADDR,
PMIC_RG_EINT0CONFIGACCDET_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
/* disable RG_EINT1CONFIGACCDET */
pmic_write_clr(PMIC_RG_EINT1CONFIGACCDET_ADDR,
PMIC_RG_EINT1CONFIGACCDET_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_BI_EINT
/* disable RG_EINT0CONFIGACCDET */
pmic_write_clr(PMIC_RG_EINT0CONFIGACCDET_ADDR,
PMIC_RG_EINT0CONFIGACCDET_SHIFT);
/* disable RG_EINT0CONFIGACCDET */
pmic_write_clr(PMIC_RG_EINT1CONFIGACCDET_ADDR,
PMIC_RG_EINT1CONFIGACCDET_SHIFT);
#endif
pmic_write_clr(PMIC_RG_EINT0HIRENB_ADDR,
PMIC_RG_EINT0HIRENB_SHIFT);
}
}
static void recover_eint_digital_setting(void)
{
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
/* wk1, disable moisture detection */
pmic_write_clr(PMIC_ACCDET_EINT0_M_SW_EN_ADDR,
PMIC_ACCDET_EINT0_M_SW_EN_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
/* wk1, disable moisture detection */
pmic_write_clr(PMIC_ACCDET_EINT1_M_SW_EN_ADDR,
PMIC_ACCDET_EINT1_M_SW_EN_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_BI_EINT
/* wk1, disable moisture detection */
pmic_write_clr(PMIC_ACCDET_EINT0_M_SW_EN_ADDR,
PMIC_ACCDET_EINT0_M_SW_EN_SHIFT);
pmic_write_clr(PMIC_ACCDET_EINT1_M_SW_EN_ADDR,
PMIC_ACCDET_EINT1_M_SW_EN_SHIFT);
#endif
if (accdet_dts.eint_detect_mode == 0x4) {
/* enable eint0cen */
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
/* enable eint0cen */
pmic_write_set(PMIC_ACCDET_DA_STABLE_ADDR,
PMIC_ACCDET_EINT0_CEN_STABLE_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
/* enable eint1cen */
pmic_write_set(PMIC_ACCDET_DA_STABLE_ADDR,
PMIC_ACCDET_EINT1_CEN_STABLE_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_BI_EINT
/* enable eint0cen */
pmic_write_set(PMIC_ACCDET_DA_STABLE_ADDR,
PMIC_ACCDET_EINT0_CEN_STABLE_SHIFT);
/* enable eint1cen */
pmic_write_set(PMIC_ACCDET_DA_STABLE_ADDR,
PMIC_ACCDET_EINT1_CEN_STABLE_SHIFT);
#endif
}
if (accdet_dts.eint_detect_mode != 0x1) {
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
/* enable inverter */
pmic_write_set(PMIC_ACCDET_EINT0_INVERTER_SW_EN_ADDR,
PMIC_ACCDET_EINT0_INVERTER_SW_EN_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
/* enable inverter */
pmic_write_set(PMIC_ACCDET_EINT1_INVERTER_SW_EN_ADDR,
PMIC_ACCDET_EINT1_INVERTER_SW_EN_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_BI_EINT
/* enable inverter */
pmic_write_set(PMIC_ACCDET_EINT0_INVERTER_SW_EN_ADDR,
PMIC_ACCDET_EINT0_INVERTER_SW_EN_SHIFT);
/* enable inverter */
pmic_write_set(PMIC_ACCDET_EINT1_INVERTER_SW_EN_ADDR,
PMIC_ACCDET_EINT1_INVERTER_SW_EN_SHIFT);
#endif
}
}
static void recover_moisture_analog_setting(void)
{
if (accdet_dts.moisture_detect_mode == 0x1) {
/* select VTH to 2v */
pmic_write_mset(PMIC_RG_EINTCOMPVTH_ADDR,
PMIC_RG_EINTCOMPVTH_SHIFT,
PMIC_RG_EINTCOMPVTH_MASK, 0x2);
pmic_write_clr(PMIC_RG_EINT0HIRENB_ADDR,
PMIC_RG_EINT0HIRENB_SHIFT);
/* enable mtest en */
pmic_write_set(PMIC_RG_MTEST_EN_ADDR, PMIC_RG_MTEST_EN_SHIFT);
pmic_write_set(PMIC_AUDACCDETAUXADCSWCTRL_SEL_ADDR,
PMIC_AUDACCDETAUXADCSWCTRL_SEL_SHIFT);
pmic_write_set(PMIC_ACCDET_DA_STABLE_ADDR,
PMIC_ACCDET_EINT0_CEN_STABLE_SHIFT);
accdet_set_debounce(eint_state011,
accdet_dts.pwm_deb.eint_debounce3);
} else if (accdet_dts.moisture_detect_mode == 0x2) {
} else if (accdet_dts.moisture_detect_mode == 0x3) {
} else if (accdet_dts.moisture_detect_mode == 0x4) {
} else if (accdet_dts.moisture_detect_mode == 0x5) {
/* enable comp1 delay window */
pmic_write_clr(PMIC_RG_EINT0NOHYS_ADDR,
PMIC_RG_EINT0NOHYS_SHIFT);
accdet_set_debounce(eint_state011,
accdet_dts.pwm_deb.eint_debounce3);
/* disconnect VREF2 to EINT0CMP and recover to vref */
pmic_write_mset(PMIC_RG_EINTCOMPVTH_ADDR,
PMIC_RG_EINTCOMPVTH_SHIFT, PMIC_RG_EINTCOMPVTH_MASK,
accdet_dts.moisture_comp_vth);
}
}
static void recover_moisture_setting(u32 moistureID)
{
if (moistureID == M_HP_PLUG_IN) {
/* set debounce to 2ms */
accdet_set_debounce(eint_state000, 0x6);
} else if (moistureID == M_PLUG_OUT) {
/* set debounce to 1ms */
accdet_set_debounce(eint_state000,
accdet_dts.pwm_deb.eint_debounce0);
recover_eint_analog_setting();
recover_moisture_analog_setting();
recover_eint_digital_setting();
pr_info("%s done\n", __func__);
}
}
static void recover_eint_setting(u32 moistureID)
{
if (moistureID == M_PLUG_OUT) {
recover_eint_analog_setting();
recover_eint_digital_setting();
pr_info("%s done\n", __func__);
}
}
static u32 get_triggered_eint(void)
{
u32 eint_ID = NO_PMIC_EINT;
u32 irq_status = pmic_read(PMIC_ACCDET_IRQ_ADDR);
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
if ((irq_status & ACCDET_EINT0_IRQ_B2) == ACCDET_EINT0_IRQ_B2)
eint_ID = PMIC_EINT0;
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
if ((irq_status & ACCDET_EINT1_IRQ_B3) == ACCDET_EINT1_IRQ_B3)
eint_ID = PMIC_EINT1;
#elif defined CONFIG_ACCDET_SUPPORT_BI_EINT
if ((irq_status & ACCDET_EINT0_IRQ_B2) == ACCDET_EINT0_IRQ_B2)
eint_ID |= PMIC_EINT0;
if ((irq_status & ACCDET_EINT1_IRQ_B3) == ACCDET_EINT1_IRQ_B3)
eint_ID |= PMIC_EINT1;
#endif
return eint_ID;
}
#endif
static inline void enable_accdet(u32 state_swctrl)
{
/* enable ACCDET unit */
pmic_write_set(PMIC_ACCDET_SW_EN_ADDR, PMIC_ACCDET_SW_EN_SHIFT);
pr_info("%s done IRQ-STS[0x%x]=0x%x,PWM[0x%x]=0x%x\n",
__func__, PMIC_ACCDET_IRQ_ADDR,
pmic_read(PMIC_ACCDET_IRQ_ADDR),
PMIC_ACCDET_CMP_PWM_EN_ADDR,
pmic_read(PMIC_ACCDET_CMP_PWM_EN_ADDR));
}
static inline void disable_accdet(void)
{
/* sync with accdet_irq_handler set clear accdet irq bit to avoid */
/* set clear accdet irq bit after disable accdet disable accdet irq */
clear_accdet_int();
udelay(200);
mutex_lock(&accdet_eint_irq_sync_mutex);
clear_accdet_int_check();
mutex_unlock(&accdet_eint_irq_sync_mutex);
/* recover accdet debounce0,3 */
accdet_set_debounce(accdet_state000, cust_pwm_deb->debounce0);
accdet_set_debounce(accdet_state001, cust_pwm_deb->debounce1);
accdet_set_debounce(accdet_state011, cust_pwm_deb->debounce3);
pr_info("%s done IRQ-STS[0x%x]=0x%x,PWM[0x%x]=0x%x\n",
__func__, PMIC_ACCDET_IRQ_ADDR, pmic_read(PMIC_ACCDET_IRQ_ADDR),
PMIC_ACCDET_CMP_PWM_EN_ADDR,
pmic_read(PMIC_ACCDET_CMP_PWM_EN_ADDR));
}
static inline void headset_plug_out(void)
{
send_accdet_status_event(cable_type, 0);
accdet_status = PLUG_OUT;
cable_type = NO_DEVICE;
if (cur_key != 0) {
send_key_event(cur_key, 0);
pr_info("accdet %s, send key=%d release\n", __func__, cur_key);
cur_key = 0;
}
dis_micbias_done = false;
pr_info("accdet %s, set cable_type = NO_DEVICE %d\n", __func__,
dis_micbias_done);
#if PMIC_ACCDET_DEBUG
dump_register();
#endif
}
#if PMIC_ACCDET_KERNEL
static void dis_micbias_timerhandler(struct timer_list *t)
{
int ret = 0;
ret = queue_work(dis_micbias_workqueue, &dis_micbias_work);
if (!ret)
pr_info("accdet %s, queue work return:%d!\n", __func__, ret);
}
static void dis_micbias_work_callback(struct work_struct *work)
{
u32 cur_AB, eintID;
/* check EINT0 status, if plug out,
* not need to disable accdet here
*/
eintID = pmic_read_mbit(PMIC_ACCDET_EINT0_MEM_IN_ADDR,
PMIC_ACCDET_EINT0_MEM_IN_SHIFT,
PMIC_ACCDET_EINT0_MEM_IN_MASK);
if (eintID == M_PLUG_OUT) {
pr_info("%s Plug-out, no dis micbias\n", __func__);
return;
}
/* if modify_vref_volt called, not need to dis micbias again */
if (dis_micbias_done == true) {
pr_info("%s modify_vref_volt called\n", __func__);
return;
}
cur_AB = pmic_read(PMIC_ACCDET_MEM_IN_ADDR) >> ACCDET_STATE_MEM_IN_OFFSET;
cur_AB = cur_AB & ACCDET_STATE_AB_MASK;
/* if 3pole disable accdet
* if <20k + 4pole, disable accdet will disable accdet
* plug out interrupt. The behavior will same as 3pole
*/
if (cable_type == HEADSET_MIC) {
/* do nothing */
} else if ((cable_type == HEADSET_NO_MIC) ||
(cur_AB == ACCDET_STATE_AB_00) ||
(cur_AB == ACCDET_STATE_AB_11)) {
/* disable accdet_sw_en=0
* disable accdet_hwmode_en=0
*/
pmic_write_clr(PMIC_ACCDET_SW_EN_ADDR,
PMIC_ACCDET_SW_EN_SHIFT);
disable_accdet();
pr_info("%s more than 6s,MICBIAS:Disabled AB:0x%x c_type:0x%x\n",
__func__, cur_AB, cable_type);
}
}
#endif /* end of #if PMIC_ACCDET_KERNEL */
#if PMIC_ACCDET_KERNEL
static void eint_work_callback(struct work_struct *work)
#else
static void eint_work_callback(void)
#endif
{
pr_info("accdet %s(),DCC EINT func\n", __func__);
if (cur_eint_state == EINT_PIN_PLUG_IN) {
/* wk, disable vusb LP */
pmic_write(PMIC_RG_LDO_VUSB_HW0_OP_EN_ADDR, 0x8000);
pr_info("%s VUSB LP dis\n", __func__);
pr_info("accdet cur: plug-in, cur_eint_state = %d\n",
cur_eint_state);
mutex_lock(&accdet_eint_irq_sync_mutex);
eint_accdet_sync_flag = true;
mutex_unlock(&accdet_eint_irq_sync_mutex);
__pm_wakeup_event(accdet_timer_lock,
jiffies_to_msecs(7 * HZ));
accdet_init();
pr_info("%s VUSB LP dis done\n", __func__);
enable_accdet(0);
#if NO_USE_COMPARATOR
msleep(180);/* may be need delay more, relevant to Bias vol. */
check_cable_type();
if (accdet_status == MIC_BIAS)
cali_voltage = accdet_get_auxadc(1);
mod_timer(&accdet_open_cable_timer,
jiffies + ACCDET_OPEN_CABLE_TIMER);
#endif
} else {
pr_info("accdet cur:plug-out, cur_eint_state = %d\n",
cur_eint_state);
mutex_lock(&accdet_eint_irq_sync_mutex);
eint_accdet_sync_flag = false;
accdet_thing_in_flag = false;
mutex_unlock(&accdet_eint_irq_sync_mutex);
if (accdet_dts.moisture_detect_mode != 0x5)
del_timer_sync(&micbias_timer);
/* disable accdet_sw_en=0
*/
pmic_write_clr(PMIC_ACCDET_SW_EN_ADDR,
PMIC_ACCDET_SW_EN_SHIFT);
disable_accdet();
headset_plug_out();
}
#ifdef CONFIG_ACCDET_EINT_IRQ
if (get_moisture_det_en() == 0x1)
recover_moisture_setting(gmoistureID);
else
recover_eint_setting(gmoistureID);
#endif
#ifdef CONFIG_ACCDET_EINT
enable_irq(accdet_irq);
pr_info("accdet %s enable_irq !!\n", __func__);
#endif
}
void accdet_set_debounce(int state, unsigned int debounce)
{
switch (state) {
case accdet_state000:
/* set ACCDET debounce value = debounce/32 ms */
pmic_write(PMIC_ACCDET_DEBOUNCE0_ADDR, debounce);
break;
case accdet_state001:
pmic_write(PMIC_ACCDET_DEBOUNCE1_ADDR, debounce);
break;
case accdet_state010:
pmic_write(PMIC_ACCDET_DEBOUNCE2_ADDR, debounce);
break;
case accdet_state011:
pmic_write(PMIC_ACCDET_DEBOUNCE3_ADDR, debounce);
break;
case accdet_auxadc:
/* set auxadc debounce:0x42(2ms) */
pmic_write(PMIC_ACCDET_CONNECT_AUXADC_TIME_DIG_ADDR, debounce);
break;
case eint_state000:
pmic_write_mset(PMIC_ACCDET_EINT_DEBOUNCE0_ADDR,
PMIC_ACCDET_EINT_DEBOUNCE0_SHIFT,
PMIC_ACCDET_EINT_DEBOUNCE0_MASK,
debounce);
break;
case eint_state001:
pmic_write_mset(PMIC_ACCDET_EINT_DEBOUNCE1_ADDR,
PMIC_ACCDET_EINT_DEBOUNCE1_SHIFT,
PMIC_ACCDET_EINT_DEBOUNCE1_MASK,
debounce);
break;
case eint_state010:
pmic_write_mset(PMIC_ACCDET_EINT_DEBOUNCE2_ADDR,
PMIC_ACCDET_EINT_DEBOUNCE2_SHIFT,
PMIC_ACCDET_EINT_DEBOUNCE2_MASK,
debounce);
break;
case eint_state011:
pmic_write_mset(PMIC_ACCDET_EINT_DEBOUNCE3_ADDR,
PMIC_ACCDET_EINT_DEBOUNCE3_SHIFT,
PMIC_ACCDET_EINT_DEBOUNCE3_MASK,
debounce);
break;
case eint_inverter_state000:
pmic_write(PMIC_ACCDET_EINT_INVERTER_DEBOUNCE_ADDR, debounce);
break;
default:
pr_info("%s error state:%d!\n", __func__, state);
break;
}
}
#if NO_USE_COMPARATOR
static unsigned int check_pole_type(void)
{
unsigned int vol = 0;
vol = accdet_get_auxadc(1);
if ((vol < (cust_vol_set.vol_max_4pole + 1)) &&
(vol > (cust_vol_set.vol_min_4pole - 1))) {
pr_notice("[accdet] pole check:%d mv, AB=%d\n",
vol, TYPE_AB_01);
return TYPE_AB_01;
} else if ((vol < (cust_vol_set.vol_max_3pole + 1)) &&
(vol > cust_vol_set.vol_min_3pole)) {
pr_notice("[accdet] pole check:%d mv, AB=%d\n",
vol, TYPE_AB_00);
return TYPE_AB_00;
}
/* illegal state */
pr_notice("[accdet] pole check:%d mv, AB=%d\n", vol, TYPE_AB_10);
return TYPE_AB_10;
}
#endif
static inline void check_cable_type(void)
{
u32 cur_AB;
#if NO_USE_COMPARATOR
cur_AB = check_pole_type();
pr_notice("accdet %s(), cur_status:%s current AB = %d\n", __func__,
accdet_status_str[accdet_status], cur_AB);
#else
cur_AB = pmic_read(PMIC_ACCDET_MEM_IN_ADDR) >> ACCDET_STATE_MEM_IN_OFFSET;
cur_AB = cur_AB & ACCDET_STATE_AB_MASK;
pr_notice("accdet %s(), cur_status:%s current AB = %d\n", __func__,
accdet_status_str[accdet_status], cur_AB);
#endif
s_button_status = 0;
pre_status = accdet_status;
switch (accdet_status) {
case PLUG_OUT:
if (cur_AB == ACCDET_STATE_AB_00) {
mutex_lock(&accdet_eint_irq_sync_mutex);
if (eint_accdet_sync_flag) {
cable_type = HEADSET_NO_MIC;
accdet_status = HOOK_SWITCH;
} else {
pr_info("accdet headset has been plug-out\n");
}
mutex_unlock(&accdet_eint_irq_sync_mutex);
/* wk, for IOT HP */
accdet_set_debounce(eint_state011,
accdet_dts.pwm_deb.eint_debounce3);
} else if (cur_AB == ACCDET_STATE_AB_01) {
mutex_lock(&accdet_eint_irq_sync_mutex);
if (eint_accdet_sync_flag) {
accdet_status = MIC_BIAS;
cable_type = HEADSET_MIC;
} else {
pr_info("accdet headset has been plug-out\n");
}
mutex_unlock(&accdet_eint_irq_sync_mutex);
/* solution: adjust hook switch debounce time
* for fast key press condition, avoid to miss key
*/
accdet_set_debounce(accdet_state000,
button_press_debounce);
/* adjust debounce1 to original 0x800(64ms),
* to fix miss key issue when fast press double key.
*/
accdet_set_debounce(accdet_state001,
button_press_debounce_01);
/* wk, for IOT HP */
accdet_set_debounce(eint_state011, 0x1);
} else if (cur_AB == ACCDET_STATE_AB_11) {
pr_info("accdet PLUG_OUT state not change!\n");
#ifdef CONFIG_ACCDET_EINT_IRQ
mutex_lock(&accdet_eint_irq_sync_mutex);
if (eint_accdet_sync_flag) {
accdet_status = PLUG_OUT;
cable_type = NO_DEVICE;
} else {
pr_info("accdet headset has been plug-out\n");
}
mutex_unlock(&accdet_eint_irq_sync_mutex);
#endif
} else {
pr_info("accdet %s Invalid AB.Do nothing\n", __func__);
}
break;
case MIC_BIAS:
if (cur_AB == ACCDET_STATE_AB_00) {
mutex_lock(&accdet_eint_irq_sync_mutex);
if (eint_accdet_sync_flag) {
s_button_status = 1;
accdet_status = HOOK_SWITCH;
multi_key_detection(cur_AB);
} else {
pr_info("accdet headset has been plug-out\n");
}
mutex_unlock(&accdet_eint_irq_sync_mutex);
} else if (cur_AB == ACCDET_STATE_AB_01) {
mutex_lock(&accdet_eint_irq_sync_mutex);
if (eint_accdet_sync_flag) {
accdet_status = MIC_BIAS;
cable_type = HEADSET_MIC;
pr_info("accdet MIC_BIAS state not change!\n");
} else {
pr_info("accdet headset has been plug-out\n");
}
mutex_unlock(&accdet_eint_irq_sync_mutex);
/* wk, for IOT HP */
accdet_set_debounce(eint_state011, 0x1);
} else if (cur_AB == ACCDET_STATE_AB_11) {
pr_info("accdet Don't send plug out in MIC_BIAS\n");
mutex_lock(&accdet_eint_irq_sync_mutex);
if (eint_accdet_sync_flag)
accdet_status = PLUG_OUT;
else
pr_info("accdet headset has been plug-out\n");
mutex_unlock(&accdet_eint_irq_sync_mutex);
} else {
pr_info("accdet %s Invalid AB.Do nothing\n", __func__);
}
break;
case HOOK_SWITCH:
if (cur_AB == ACCDET_STATE_AB_00) {
mutex_lock(&accdet_eint_irq_sync_mutex);
if (eint_accdet_sync_flag)
/* to avoid 01->00 framework of Headset will
* report press key info to Audio
*/
/* cable_type = HEADSET_NO_MIC; */
/* accdet_status = HOOK_SWITCH; */
pr_info("accdet HOOKSWITCH state no change\n");
else
pr_info("accdet headset has been plug-out\n");
mutex_unlock(&accdet_eint_irq_sync_mutex);
} else if (cur_AB == ACCDET_STATE_AB_01) {
mutex_lock(&accdet_eint_irq_sync_mutex);
if (eint_accdet_sync_flag) {
multi_key_detection(cur_AB);
accdet_status = MIC_BIAS;
cable_type = HEADSET_MIC;
} else {
pr_info("accdet headset has been plug-out\n");
}
mutex_unlock(&accdet_eint_irq_sync_mutex);
/* adjust debounce0 and debounce1 to fix miss key issue.
*/
accdet_set_debounce(accdet_state000,
button_press_debounce);
accdet_set_debounce(accdet_state001,
button_press_debounce_01);
/* wk, for IOT HP */
accdet_set_debounce(eint_state011, 0x1);
} else if (cur_AB == ACCDET_STATE_AB_11) {
pr_info("accdet Don't send plugout in HOOK_SWITCH\n");
mutex_lock(&accdet_eint_irq_sync_mutex);
if (eint_accdet_sync_flag)
accdet_status = PLUG_OUT;
else
pr_info("accdet headset has been plug-out\n");
mutex_unlock(&accdet_eint_irq_sync_mutex);
} else {
pr_info("accdet %s Invalid AB.Do nothing\n", __func__);
}
break;
case STAND_BY:
pr_info("accdet %s STANDBY state.Err!Do nothing!\n", __func__);
break;
default:
pr_info("accdet %s Error state.Do nothing!\n", __func__);
break;
}
pr_info("accdet cur cable type:[%s], status switch:[%s]->[%s]\n",
accdet_report_str[cable_type], accdet_status_str[pre_status],
accdet_status_str[accdet_status]);
}
#if PMIC_ACCDET_KERNEL
static void accdet_work_callback(struct work_struct *work)
#else
static void accdet_work_callback(void)
#endif
{
u32 pre_cable_type = cable_type;
__pm_stay_awake(accdet_irq_lock);
check_cable_type();
mutex_lock(&accdet_eint_irq_sync_mutex);
if (eint_accdet_sync_flag) {
if ((pre_cable_type != cable_type) ||
(cable_type == HEADSET_MIC))
send_accdet_status_event(cable_type, 1);
} else
pr_info("%s() Headset has been plugout. Don't set state\n",
__func__);
mutex_unlock(&accdet_eint_irq_sync_mutex);
if (cable_type != NO_DEVICE) {
accdet_modify_vref_volt_self();
/* wk, enable vusb LP */
pmic_write(PMIC_RG_LDO_VUSB_HW0_OP_EN_ADDR, 0x8005);
pr_info("%s VUSB LP en\n", __func__);
}
pr_info("%s() report cable_type done\n", __func__);
__pm_relax(accdet_irq_lock);
}
static void accdet_queue_work(void)
{
int ret;
if (accdet_status == MIC_BIAS)
cali_voltage = accdet_get_auxadc(1);
#if PMIC_ACCDET_KERNEL
ret = queue_work(accdet_workqueue, &accdet_work);
#else
accdet_work_callback();
#endif /* end of #if PMIC_ACCDET_KERNEL */
if (!ret)
pr_info("queue work accdet_work return:%d!\n", ret);
}
#ifdef CONFIG_ACCDET_EINT_IRQ
static int pmic_eint_queue_work(int eintID)
{
int ret = 0;
pr_info("%s() Enter. eint-%s cur_eint_state:%d\n", __func__,
(eintID == PMIC_EINT0)?"0":((eintID == PMIC_EINT1)?"1":"BI"),
cur_eint_state);
if (cur_eint_state == EINT_PIN_MOISTURE_DETECTED) {
pr_info("%s water in then plug out, handle plugout\r",
__func__);
cur_eint_state = EINT_PIN_PLUG_OUT;
#if PMIC_ACCDET_KERNEL
ret = queue_work(eint_workqueue, &eint_work);
#else
eint_work_callback();
#endif /* end of #if PMIC_ACCDET_KERNEL */
return 0;
}
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
if (eintID == PMIC_EINT0) {
if (cur_eint_state == EINT_PIN_PLUG_IN) {
accdet_set_debounce(accdet_state011,
cust_pwm_deb->debounce3);
cur_eint_state = EINT_PIN_PLUG_OUT;
} else {
if (gmoistureID != M_PLUG_OUT) {
cur_eint_state = EINT_PIN_PLUG_IN;
if (accdet_dts.moisture_detect_mode != 0x5) {
mod_timer(&micbias_timer,
jiffies + MICBIAS_DISABLE_TIMER);
}
}
}
#if PMIC_ACCDET_KERNEL
ret = queue_work(eint_workqueue, &eint_work);
#else
eint_work_callback();
#endif /* end of #if PMIC_ACCDET_KERNEL */
} else {
pr_info("%s invalid EINT ID!\n", __func__);
}
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
if (eintID == PMIC_EINT1) {
if (cur_eint_state == EINT_PIN_PLUG_IN) {
accdet_set_debounce(accdet_state011,
cust_pwm_deb->debounce3);
cur_eint_state = EINT_PIN_PLUG_OUT;
} else {
if (gmoistureID != M_PLUG_OUT) {
cur_eint_state = EINT_PIN_PLUG_IN;
if (accdet_dts.moisture_detect_mode != 0x5) {
mod_timer(&micbias_timer,
jiffies + MICBIAS_DISABLE_TIMER);
}
}
}
#if PMIC_ACCDET_KERNEL
ret = queue_work(eint_workqueue, &eint_work);
#else
eint_work_callback();
#endif /* end of #if PMIC_ACCDET_KERNEL */
} else
pr_info("%s invalid EINT ID!\n", __func__);
#elif defined CONFIG_ACCDET_SUPPORT_BI_EINT
if ((eintID & PMIC_EINT0) == PMIC_EINT0) {
if (cur_eint0_state == EINT_PIN_PLUG_IN) {
accdet_set_debounce(accdet_state011,
cust_pwm_deb->debounce3);
cur_eint0_state = EINT_PIN_PLUG_OUT;
} else {
if (gmoistureID != M_PLUG_OUT)
cur_eint0_state = EINT_PIN_PLUG_IN;
}
}
if ((eintID & PMIC_EINT1) == PMIC_EINT1) {
if (cur_eint1_state == EINT_PIN_PLUG_IN) {
accdet_set_debounce(accdet_state011,
cust_pwm_deb->debounce3);
cur_eint1_state = EINT_PIN_PLUG_OUT;
} else {
if (gmoistureID != M_PLUG_OUT)
cur_eint1_state = EINT_PIN_PLUG_IN;
}
}
/* bi_eint trigger issued current state, may */
if (cur_eint_state == EINT_PIN_PLUG_OUT) {
cur_eint_state = cur_eint0_state & cur_eint1_state;
if (cur_eint_state == EINT_PIN_PLUG_IN) {
if (accdet_dts.moisture_detect_mode != 0x5) {
mod_timer(&micbias_timer,
jiffies + MICBIAS_DISABLE_TIMER);
}
ret = queue_work(eint_workqueue, &eint_work);
} else
pr_info("%s wait eint.now:eint0=%d;eint1=%d\n",
__func__, cur_eint0_state, cur_eint1_state);
} else if (cur_eint_state == EINT_PIN_PLUG_IN) {
if ((cur_eint0_state|cur_eint1_state) == EINT_PIN_PLUG_OUT) {
clear_accdet_eint_check(PMIC_EINT0);
clear_accdet_eint_check(PMIC_EINT1);
} else if ((cur_eint0_state & cur_eint1_state) ==
EINT_PIN_PLUG_OUT) {
cur_eint_state = EINT_PIN_PLUG_OUT;
ret = queue_work(eint_workqueue, &eint_work);
} else
pr_info("%s wait eint.now:eint0=%d;eint1=%d\n",
__func__, cur_eint0_state, cur_eint1_state);
}
#endif
return ret;
}
static u32 config_moisture_detect_1_0(void)
{
/* Disable ACCDET to AUXADC */
pmic_write_clr(PMIC_RG_ACCDET2AUXSWEN_ADDR,
PMIC_RG_ACCDET2AUXSWEN_SHIFT);
pmic_write_set(PMIC_AUDACCDETAUXADCSWCTRL_SEL_ADDR,
PMIC_AUDACCDETAUXADCSWCTRL_SEL_SHIFT);
pmic_write_clr(PMIC_AUDACCDETAUXADCSWCTRL_SW_ADDR,
PMIC_AUDACCDETAUXADCSWCTRL_SW_SHIFT);
/* Enable moisture detection */
pmic_write_set(PMIC_RG_MTEST_EN_ADDR, PMIC_RG_MTEST_EN_SHIFT);
/* select PAD_HP_EINT for moisture detection */
pmic_write_clr(PMIC_RG_MTEST_SEL_ADDR, PMIC_RG_MTEST_SEL_SHIFT);
/* select VTH to 2v */
pmic_write_mset(PMIC_RG_EINTCOMPVTH_ADDR,
PMIC_RG_EINTCOMPVTH_SHIFT, PMIC_RG_EINTCOMPVTH_MASK, 0x2);
if (accdet_dts.eint_use_ext_res == 0x1) {
pmic_write_set(PMIC_RG_ACCDETSPARE_ADDR, 8);
pr_notice("[ACCDET Debug] bypass internal series R (0x%x)=0x%x\n",
PMIC_RG_ACCDETSPARE_ADDR,
pmic_read(PMIC_RG_ACCDETSPARE_ADDR));
}
return 0;
}
static u32 config_moisture_detect_1_1(void)
{
/* Disable ACCDET to AUXADC */
pmic_write_clr(PMIC_RG_ACCDET2AUXSWEN_ADDR,
PMIC_RG_ACCDET2AUXSWEN_SHIFT);
pmic_write_set(PMIC_AUDACCDETAUXADCSWCTRL_SEL_ADDR,
PMIC_AUDACCDETAUXADCSWCTRL_SEL_SHIFT);
pmic_write_clr(PMIC_AUDACCDETAUXADCSWCTRL_SW_ADDR,
PMIC_AUDACCDETAUXADCSWCTRL_SW_SHIFT);
/* select VTH to 2v */
pmic_write_mset(PMIC_RG_EINTCOMPVTH_ADDR,
PMIC_RG_EINTCOMPVTH_SHIFT, PMIC_RG_EINTCOMPVTH_MASK, 0x2);
return 0;
}
static u32 config_moisture_detect_2_1(void)
{
u32 efuseval, eintvth;
/* select VTH to 2.8v(default), can set to 2.4 or 2.0v by dts */
pmic_write_mset(PMIC_RG_EINTCOMPVTH_ADDR,
PMIC_RG_EINTCOMPVTH_SHIFT, PMIC_RG_EINTCOMPVTH_MASK,
accdet_dts.moisture_comp_vth);
/* 2. Set RG_EINT0CTURBO<2:0> ; 75k~15k
* read efuse:
* 3. Set RG_ACCDETSPARE<7:3> ; VREF2
* read efuse:
*/
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
/* enable cturbo setting */
pmic_write_set(PMIC_RG_EINT0CTURBO_ADDR, PMIC_RG_EINT0CTURBO_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
pmic_write_set(PMIC_RG_EINT1CTURBO_ADDR, PMIC_RG_EINT1CTURBO_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_BI_EINT
pmic_write_set(PMIC_RG_EINT0CTURBO_ADDR, PMIC_RG_EINT0CTURBO_SHIFT);
pmic_write_set(PMIC_RG_EINT1CTURBO_ADDR, PMIC_RG_EINT1CTURBO_SHIFT);
#endif
/* set moisture reference voltage MVTH
* golden setting
* pmic_write_mset(PMIC_RG_ACCDETSPARE_ADDR, 0x3, 0x1F, 0xA);
*/
/* EINTVTH1K/5K/10K efuse */
efuseval = pmic_Read_Efuse_HPOffset(114);
eintvth = (int)(efuseval & ACCDET_CALI_MASK0);
pr_info("%s moisture_eint0 efuse=0x%x,eintvth=0x%x\n",
__func__, efuseval, eintvth);
/* set moisture reference voltage MVTH */
pmic_write_mset(PMIC_RG_ACCDETSPARE_ADDR, 0x3, 0x1F, eintvth);
return 0;
}
static u32 config_moisture_detect_2_1_1(void)
{
/* select VTH to 2.8v(default), can set to 2.4 or 2.0v by dts */
pmic_write_mset(PMIC_RG_EINTCOMPVTH_ADDR,
PMIC_RG_EINTCOMPVTH_SHIFT, PMIC_RG_EINTCOMPVTH_MASK,
accdet_dts.moisture_comp_vth);
return 0;
}
#endif
#ifdef CONFIG_OCP96011_I2C
void typec_headset_queue_work(void)
{
pr_info("%s() begin!\n", __func__);
if(cur_eint_state == EINT_PIN_PLUG_IN) {
cur_eint_state = EINT_PIN_PLUG_OUT;
} else {
cur_eint_state = EINT_PIN_PLUG_IN;
mod_timer(&micbias_timer,(jiffies + MICBIAS_DISABLE_TIMER));
}
queue_work(eint_workqueue, &eint_work);
}
EXPORT_SYMBOL(typec_headset_queue_work);
#endif
void accdet_irq_handle(void)
{
u32 eintID = 0;
#ifdef CONFIG_ACCDET_EINT_IRQ
u32 ret = 0;
#endif
u32 irq_status, acc_sts, eint_sts;
#if PMIC_ACCDET_CTP || PMIC_ACCDET_DEBUG
dump_register();
#endif
#ifdef CONFIG_ACCDET_EINT_IRQ
eintID = get_triggered_eint();
#endif
irq_status = pmic_read(PMIC_ACCDET_IRQ_ADDR);
acc_sts = pmic_read(PMIC_ACCDET_MEM_IN_ADDR);
eint_sts = pmic_read(PMIC_ACCDET_EINT0_MEM_IN_ADDR);
if ((irq_status & ACCDET_IRQ_B0) && (eintID == 0)) {
/* delete open cable timer if normal HP in */
del_timer_sync(&accdet_open_cable_timer);
clear_accdet_int();
accdet_queue_work();
clear_accdet_int_check();
#ifdef CONFIG_ACCDET_EINT_IRQ
} else if (eintID != NO_PMIC_EINT) {
pr_info("%s() IRQ:0x%x, eint-%s trig. cur_eint_state:%d\n",
__func__, irq_status,
(eintID == PMIC_EINT0)?"0":((eintID == PMIC_EINT1)?"1":"BI"),
cur_eint_state);
/* check EINT0 status */
gmoistureID = pmic_read_mbit(PMIC_ACCDET_EINT0_MEM_IN_ADDR,
PMIC_ACCDET_EINT0_MEM_IN_SHIFT,
PMIC_ACCDET_EINT0_MEM_IN_MASK);
#ifdef CONFIG_ACCDET_EINT_IRQ
if (get_moisture_det_en() == 0x1) {
/* adjust moisture digital/analog setting */
ret = adjust_moisture_setting(gmoistureID, eintID);
if ((ret == M_NO_ACT) || (ret == M_WATER_IN)) {
#if PMIC_ACCDET_CTP
dump_register();
#endif
return;
}
} else {
/* adjust eint digital/analog setting */
adjust_eint_setting(gmoistureID, eintID);
}
#endif
clear_accdet_eint(eintID);
clear_accdet_eint_check(eintID);
pmic_eint_queue_work(eintID);
#endif
} else {
pr_info("%s no interrupt detected!\n", __func__);
}
#if PMIC_ACCDET_CTP || PMIC_ACCDET_DEBUG
dump_register();
#endif
}
static void accdet_int_handler(void)
{
pr_debug("%s()\n", __func__);
accdet_irq_handle();
}
#ifdef CONFIG_ACCDET_EINT_IRQ
static void accdet_eint_handler(void)
{
accdet_irq_handle();
pr_info("%s() exit\n", __func__);
}
#endif
static void check_open_cable_timerhandler(struct timer_list *t)
{
int ret;
ret = queue_work(accdet_workqueue, &accdet_work);
if (!ret)
pr_info("%s return:%d!\n", __func__, ret);
}
#ifdef CONFIG_ACCDET_EINT
static irqreturn_t ex_eint_handler(int irq, void *data)
{
int ret = 0;
if (cur_eint_state == EINT_PIN_PLUG_IN) {
/* To trigger EINT when the headset was plugged in
* We set the polarity back as we initialed.
*/
if (accdet_eint_type == IRQ_TYPE_LEVEL_HIGH)
irq_set_irq_type(accdet_irq, IRQ_TYPE_LEVEL_HIGH);
else
irq_set_irq_type(accdet_irq, IRQ_TYPE_LEVEL_LOW);
gpio_set_debounce(gpiopin, gpio_headset_deb);
cur_eint_state = EINT_PIN_PLUG_OUT;
} else {
/* To trigger EINT when the headset was plugged out
* We set the opposite polarity to what we initialed.
*/
if (accdet_eint_type == IRQ_TYPE_LEVEL_HIGH)
irq_set_irq_type(accdet_irq, IRQ_TYPE_LEVEL_LOW);
else
irq_set_irq_type(accdet_irq, IRQ_TYPE_LEVEL_HIGH);
gpio_set_debounce(gpiopin, accdet_dts.plugout_deb * 1000);
cur_eint_state = EINT_PIN_PLUG_IN;
if (accdet_dts.moisture_detect_mode != 0x5) {
mod_timer(&micbias_timer,
jiffies + MICBIAS_DISABLE_TIMER);
}
}
disable_irq_nosync(accdet_irq);
pr_info("accdet %s(), cur_eint_state=%d\n", __func__, cur_eint_state);
ret = queue_work(eint_workqueue, &eint_work);
return IRQ_HANDLED;
}
static inline int ext_eint_setup(struct platform_device *platform_device)
{
int ret = 0;
u32 ints[4] = { 0 };
struct device_node *node = NULL;
struct pinctrl_state *pins_default = NULL;
pr_info("accdet %s()\n", __func__);
accdet_pinctrl = devm_pinctrl_get(&platform_device->dev);
if (IS_ERR(accdet_pinctrl)) {
ret = PTR_ERR(accdet_pinctrl);
dev_notice(&platform_device->dev, "get accdet_pinctrl fail.\n");
return ret;
}
pins_default = pinctrl_lookup_state(accdet_pinctrl, "default");
if (IS_ERR(pins_default)) {
ret = PTR_ERR(pins_default);
dev_notice(&platform_device->dev,
"deflt pinctrl not found, skip it\n");
}
pins_eint = pinctrl_lookup_state(accdet_pinctrl, "state_eint_as_int");
if (IS_ERR(pins_eint)) {
ret = PTR_ERR(pins_eint);
dev_notice(&platform_device->dev, "lookup eint pinctrl fail\n");
return ret;
}
pinctrl_select_state(accdet_pinctrl, pins_eint);
node = of_find_matching_node(node, accdet_of_match);
if (!node) {
pr_notice("accdet %s can't find compatible node\n", __func__);
return -1;
}
gpiopin = of_get_named_gpio(node, "deb-gpios", 0);
ret = of_property_read_u32(node, "debounce", &gpio_headset_deb);
if (ret < 0) {
pr_notice("accdet %s gpiodebounce not found,ret:%d\n",
__func__, ret);
return ret;
}
gpio_set_debounce(gpiopin, gpio_headset_deb);
accdet_irq = irq_of_parse_and_map(node, 0);
ret = of_property_read_u32_array(node, "interrupts", ints,
ARRAY_SIZE(ints));
if (ret) {
pr_notice("accdet %s interrupts not found,ret:%d\n",
__func__, ret);
return ret;
}
accdet_eint_type = ints[1];
pr_info("accdet set gpio EINT, gpiopin=%d, accdet_eint_type=%d\n",
gpiopin, accdet_eint_type);
ret = request_irq(accdet_irq, ex_eint_handler, IRQF_TRIGGER_NONE,
"accdet-eint", NULL);
if (ret) {
pr_notice("accdet %s request_irq fail, ret:%d.\n", __func__,
ret);
return ret;
}
pr_info("accdet set gpio EINT finished, irq=%d, gpio_headset_deb=%d\n",
accdet_irq, gpio_headset_deb);
return 0;
}
#endif
static int accdet_get_dts_data(void)
{
#ifdef CONFIG_MTK_PMIC_WRAP
struct device_node *tmpnode, *accdet_node;
#endif
#if PMIC_ACCDET_KERNEL
int ret;
struct device_node *node = NULL;
int pwm_deb[15];
#ifdef CONFIG_FOUR_KEY_HEADSET
int four_key[5];
#else
int three_key[4];
#endif
#if NO_USE_COMPARATOR
unsigned int vol_thresh[5] = { 0 };
#endif
pr_debug("%s\n", __func__);
#ifdef CONFIG_MTK_PMIC_WRAP
tmpnode = of_find_compatible_node(NULL, NULL, "mediatek,pwraph");
accdet_node = of_parse_phandle(tmpnode, "mediatek,pwrap-regmap", 0);
if (accdet_node) {
accdet_regmap = pwrap_node_to_regmap(accdet_node);
if (IS_ERR(accdet_regmap)) {
pr_notice("%s %d Error.\n", __func__, __LINE__);
return PTR_ERR(accdet_regmap);
}
} else {
pr_notice("%s %d Error.\n", __func__, __LINE__);
return -EINVAL;
}
#endif
node = of_find_matching_node(node, accdet_of_match);
if (!node) {
pr_notice("%s can't find compatible dts node\n", __func__);
return -1;
}
ret = of_property_read_u32(node, "moisture-ver", &moisture_ver);
if (ret)
moisture_ver = 0x2;
/* moisture customized configuration */
ret = of_property_read_u32(node, "moisture_detect_enable",
&accdet_dts.moisture_detect_enable);
if (ret) {
/* no moisture detection */
accdet_dts.moisture_detect_enable = 0x0;
}
ret = of_property_read_u32(node, "eint_use_ext_res",
&accdet_dts.eint_use_ext_res);
if (ret) {
/* eint use internal resister */
accdet_dts.eint_use_ext_res = 0x0;
}
ret = of_property_read_u32(node, "eint_comp_vth",
&accdet_dts.eint_comp_vth);
if (ret) {
/* eint compare vth is 2.8v */
accdet_dts.eint_comp_vth = 0x0;
}
ret = of_property_read_u32(node, "eint_detect_mode",
&accdet_dts.eint_detect_mode);
if (ret) {
/* eint detection mode equals to EINT 2.1 */
accdet_dts.eint_detect_mode = 0x4;
}
if (accdet_dts.moisture_detect_enable == 0x0) {
/* eint detection mode equals to EINT 2.1 */
accdet_dts.eint_detect_mode = 0x4;
}
ret = of_property_read_u32(node, "moisture_detect_mode",
&accdet_dts.moisture_detect_mode);
if (ret) {
/* no moisture detection */
accdet_dts.moisture_detect_mode = 0x4;
}
ret = of_property_read_u32(node, "moisture_comp_vth",
&accdet_dts.moisture_comp_vth);
if (ret) {
/* no moisture detection */
accdet_dts.moisture_comp_vth = 0x0;
}
ret = of_property_read_u32(node, "moisture_comp_vref2",
&accdet_dts.moisture_comp_vref2);
if (ret) {
/* no moisture detection */
accdet_dts.moisture_comp_vref2 = 0x0;
}
ret = of_property_read_u32(node, "moisture_use_ext_res",
&accdet_dts.moisture_use_ext_res);
if (ret) {
/* no moisture detection */
accdet_dts.moisture_use_ext_res = -1;
}
/* if moisture detection enable, eint_detect_mode must equal to
* moisture_detect_mode
*/
if ((accdet_dts.moisture_detect_enable == 0x1) &&
(accdet_dts.moisture_detect_mode !=
accdet_dts.eint_detect_mode)) {
pr_notice("DTS setting error, eint mode != moisture mode\n\r");
return -1;
}
ret = of_property_read_u32(node, "moisture-water-r", &water_r);
if (ret) {
/* no moisture detection */
water_r = 0x0;
}
if (accdet_dts.moisture_use_ext_res == 0x1) {
of_property_read_u32(node, "moisture-external-r",
&moisture_ext_r);
pr_info("Moisture_EXT support water_r=%d, ext_r=%d\n",
water_r, moisture_ext_r);
} else if (accdet_dts.moisture_use_ext_res == 0x0) {
of_property_read_u32(node, "moisture-internal-r",
&moisture_int_r);
pr_info("Moisture_INT support water_r=%d, int_r=%d\n",
water_r, moisture_int_r);
}
ret = of_property_read_u32(node, "moisture-vm", &moisture_vm);
if (ret) {
/* moisture_vm threshold */
moisture_vm = 0x0;
}
of_property_read_u32(node, "accdet-mic-vol", &accdet_dts.mic_vol);
of_property_read_u32(node, "accdet-plugout-debounce",
&accdet_dts.plugout_deb);
of_property_read_u32(node, "accdet-mic-mode", &accdet_dts.mic_mode);
pr_info("accdet mic_vol=%d, plugout_deb=%d mic_mode=%d\n",
accdet_dts.mic_vol, accdet_dts.plugout_deb,
accdet_dts.mic_mode);
#ifdef CONFIG_FOUR_KEY_HEADSET
ret = of_property_read_u32_array(node, "headset-four-key-threshold",
four_key, ARRAY_SIZE(four_key));
if (!ret)
memcpy(&accdet_dts.four_key, four_key+1,
sizeof(struct four_key_threshold));
else {
pr_info("accdet get 4-key-thrsh dts fail, use efuse\n");
accdet_get_efuse_4key();
}
pr_info("accdet key thresh mid = %d, voice = %d, up = %d, dwn = %d\n",
accdet_dts.four_key.mid, accdet_dts.four_key.voice,
accdet_dts.four_key.up, accdet_dts.four_key.down);
#else
#ifdef CONFIG_HEADSET_TRI_KEY_CDD
ret = of_property_read_u32_array(node,
"headset-three-key-threshold-CDD", three_key,
ARRAY_SIZE(three_key));
#else
ret = of_property_read_u32_array(node, "headset-three-key-threshold",
three_key, ARRAY_SIZE(three_key));
#endif
if (!ret)
memcpy(&accdet_dts.three_key, three_key+1,
sizeof(struct three_key_threshold));
else
pr_info("accdet get 3-key-thrsh fail\n");
pr_info("accdet key thresh mid = %d, up = %d, down = %d\n",
accdet_dts.three_key.mid, accdet_dts.three_key.up,
accdet_dts.three_key.down);
#endif
#if NO_USE_COMPARATOR
ret = of_property_read_u32_array(node, "headset-vol-threshold",
vol_thresh, ARRAY_SIZE(vol_thresh));
if (!ret)
memcpy(&cust_vol_set, vol_thresh, sizeof(vol_thresh));
else
pr_info("accdet get headset-vol-thrsh fail\n");
pr_info("[Accdet] min_3pole = %d, max_3pole = %d\n",
cust_vol_set.vol_min_3pole, cust_vol_set.vol_max_3pole);
pr_info("[Accdet] min_4pole = %d, max_4pole = %d\n",
cust_vol_set.vol_min_4pole, cust_vol_set.vol_max_4pole);
if (cust_vol_set.vol_bias > 2600) {
cust_vol_set.vol_bias = 2600;/* 2600mv */
pr_notice("[Accdet]bias vol set %d mv--->2600 mv\n",
cust_vol_set.vol_bias);
} else {
pr_info("[Accdet]bias vol set %d mv\n", cust_vol_set.vol_bias);
}
#endif
ret = of_property_read_u32_array(node, "headset-mode-setting", pwm_deb,
ARRAY_SIZE(pwm_deb));
/* debounce8(auxadc debounce) is default, needn't get from dts */
if (!ret)
memcpy(&accdet_dts.pwm_deb, pwm_deb, sizeof(pwm_deb));
else
pr_info("accdet get pwm-debounce setting fail\n");
cust_pwm_deb = &accdet_dts.pwm_deb;
#else
accdet_dts.mic_vol = mic_vol;
accdet_dts.mic_mode = mic_mode;
accdet_dts.three_key.mid = 49;
accdet_dts.three_key.up = 220;
accdet_dts.three_key.down = 600;
accdet_dts.pwm_deb.pwm_width = 0x500;
accdet_dts.pwm_deb.pwm_thresh = 0x500;
accdet_dts.pwm_deb.fall_delay = 0x1;
accdet_dts.pwm_deb.rise_delay = 0x1f0;
accdet_dts.pwm_deb.debounce0 = 0x800;
accdet_dts.pwm_deb.debounce1 = 0x800;
accdet_dts.pwm_deb.debounce3 = 0x20;
accdet_dts.pwm_deb.debounce4 = 0x44;
accdet_dts.pwm_deb.eint_pwm_width = eint_pwm_width;/* 0x4; */
accdet_dts.pwm_deb.eint_pwm_thresh = eint_pwm_thresh;/* 0x1; */
/*default:0xe*/
accdet_dts.pwm_deb.eint_debounce0 = adjust_eint_debounce03;
accdet_dts.pwm_deb.eint_debounce1 = adjust_eint_debounce12;
accdet_dts.pwm_deb.eint_debounce2 = adjust_eint_debounce12;
/* default:0xe */
accdet_dts.pwm_deb.eint_debounce3 = adjust_eint_debounce03;
accdet_dts.pwm_deb.eint_inverter_debounce = eint_invert_debounce_index;
/* if we need moisture detection feature or not */
accdet_dts.moisture_detect_enable = moisture_detect_enable;
/* select moisture detection mode,
* 1: EINT 1.0, 2: EINT1.1, 3: EINT2.0, 4: EINT2.1, 5: EINT2.1_OPPO
*/
if (accdet_dts.moisture_detect_enable == 0x1) {
accdet_dts.eint_detect_mode = eint_detect_mode;
accdet_dts.moisture_detect_mode = moisture_detect_mode;
} else {
accdet_dts.eint_detect_mode = eint_detect_mode;
accdet_dts.moisture_detect_mode = moisture_detect_mode;
}
if ((accdet_dts.moisture_detect_enable == 0x1) &&
(accdet_dts.moisture_detect_mode !=
accdet_dts.eint_detect_mode)) {
pr_info("DTS setting error, eint mode != moisture mode\n\r");
}
accdet_dts.eint_use_ext_res = eint_use_ext_res;
accdet_dts.moisture_comp_vth = moisture_comp_vth; /* default 2.8v */
/* default 880mv */
accdet_dts.moisture_comp_vref2 = moisture_comp_vref2;
/* use internal resister */
accdet_dts.moisture_use_ext_res = moisture_use_ext_res;
water_r = water_r_t;
moisture_ext_r = moisture_ext_r_t;
moisture_int_r = moisture_int_r;
cust_pwm_deb = &accdet_dts.pwm_deb;
cust_pwm_deb->debounce0 = debounce0_test[debounce_index];
cust_pwm_deb->debounce1 = debounce1_test[debounce_index];
cust_pwm_deb->debounce3 = debounce3_test[debounce_index];
cust_pwm_deb->debounce4 = debounce4_test[debounce_index];
#endif /* end of #if PMIC_ACCDET_KERNEL */
dis_micbias_done = false;
pr_info("accdet pwm_width=0x%x, thresh=0x%x, fall=0x%x, rise=0x%x\n",
cust_pwm_deb->pwm_width, cust_pwm_deb->pwm_thresh,
cust_pwm_deb->fall_delay, cust_pwm_deb->rise_delay);
pr_info("deb0=0x%x, deb1=0x%x, deb3=0x%x, deb4=0x%x\n",
cust_pwm_deb->debounce0, cust_pwm_deb->debounce1,
cust_pwm_deb->debounce3, cust_pwm_deb->debounce4);
pr_info("e_pwm_width=0x%x, e_pwm_thresh=0x%x\n",
cust_pwm_deb->eint_pwm_width, cust_pwm_deb->eint_pwm_thresh);
pr_info("e_deb0=0x%x, deb1=0x%x, deb2=0x%x, deb3=0x%x\n",
cust_pwm_deb->eint_debounce0, cust_pwm_deb->eint_debounce1,
cust_pwm_deb->eint_debounce2, cust_pwm_deb->eint_debounce3);
pr_info("e_inv_deb=0x%x, mdet_en=0x%x, e_det_m=0x%x, m_det_m=0x%x\n",
cust_pwm_deb->eint_inverter_debounce,
accdet_dts.moisture_detect_enable,
accdet_dts.eint_detect_mode,
accdet_dts.moisture_detect_mode);
pr_info("m_vth=0x%x, m_vref2=0x%x, e_e_res=0x%x, m_e_res=0x%x\n",
accdet_dts.moisture_comp_vth,
accdet_dts.moisture_comp_vref2,
accdet_dts.eint_use_ext_res,
accdet_dts.moisture_use_ext_res);
return 0;
}
#ifdef CONFIG_ACCDET_EINT_IRQ
static void config_digital_moisture_init_by_mode(void)
{
/* enable eint cmpmem pwm */
pmic_write(PMIC_ACCDET_EINT_CMPMEN_PWM_THRESH_ADDR,
(accdet_dts.pwm_deb.eint_pwm_width << 4 |
accdet_dts.pwm_deb.eint_pwm_thresh));
/* DA signal stable */
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
pmic_write(PMIC_ACCDET_DA_STABLE_ADDR, ACCDET_EINT0_STABLE_VAL);
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
pmic_write(PMIC_ACCDET_DA_STABLE_ADDR, ACCDET_EINT1_STABLE_VAL);
#elif defined CONFIG_ACCDET_SUPPORT_BI_EINT
pmic_write(PMIC_ACCDET_DA_STABLE_ADDR, ACCDET_EINT0_STABLE_VAL);
pmic_write(PMIC_ACCDET_DA_STABLE_ADDR, ACCDET_EINT1_STABLE_VAL);
#endif
if (accdet_dts.moisture_detect_mode == 0x5) {
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
/* clr DA stable signal */
pmic_write_clr(PMIC_ACCDET_DA_STABLE_ADDR,
PMIC_ACCDET_EINT0_CEN_STABLE_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
/* clr DA stable signal */
pmic_write_clr(PMIC_ACCDET_DA_STABLE_ADDR,
PMIC_ACCDET_EINT1_CEN_STABLE_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_BI_EINT
/* clr DA stable signal */
pmic_write_clr(PMIC_ACCDET_DA_STABLE_ADDR,
PMIC_ACCDET_EINT0_CEN_STABLE_SHIFT);
/* clr DA stable signal */
pmic_write_clr(PMIC_ACCDET_DA_STABLE_ADDR,
PMIC_ACCDET_EINT1_CEN_STABLE_SHIFT);
#endif
}
/* after receive n+1 number, interrupt issued. now is 2 times */
pmic_write_set(PMIC_ACCDET_EINT_M_PLUG_IN_NUM_ADDR,
PMIC_ACCDET_EINT_M_PLUG_IN_NUM_SHIFT);
/* setting HW mode, enable digital fast discharge
* if use EINT0 & EINT1 detection, please modify
* PMIC_ACCDET_HWMODE_EN_ADDR[2:1]
*/
if (accdet_dts.moisture_detect_mode == 0x1) {
/* disable moisture detection function */
pmic_write_clr(PMIC_ACCDET_EINT_M_DETECT_EN_ADDR,
PMIC_ACCDET_EINT_M_DETECT_EN_SHIFT);
/* wk1, disable hwmode */
pmic_write(PMIC_ACCDET_HWMODE_EN_ADDR, 0x0);
/* disable inverter detection */
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
pmic_write_set(PMIC_ACCDET_EINT0_SW_EN_ADDR,
PMIC_ACCDET_EINT0_SW_EN_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
pmic_write_set(PMIC_ACCDET_EINT1_SW_EN_ADDR,
PMIC_ACCDET_EINT1_SW_EN_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_BI_EINT
pmic_write_set(PMIC_ACCDET_EINT0_SW_EN_ADDR,
PMIC_ACCDET_EINT0_SW_EN_SHIFT);
pmic_write_set(PMIC_ACCDET_EINT1_SW_EN_ADDR,
PMIC_ACCDET_EINT1_SW_EN_SHIFT);
#endif
} else if (accdet_dts.moisture_detect_mode == 0x2) {
/* disable moisture detection function */
pmic_write_clr(PMIC_ACCDET_EINT_M_DETECT_EN_ADDR,
PMIC_ACCDET_EINT_M_DETECT_EN_SHIFT);
/* wk1, disable hwmode */
pmic_write(PMIC_ACCDET_HWMODE_EN_ADDR, 0x100);
} else if (accdet_dts.moisture_detect_mode == 0x3) {
/* disable moisture detection function */
pmic_write_clr(PMIC_ACCDET_EINT_M_DETECT_EN_ADDR,
PMIC_ACCDET_EINT_M_DETECT_EN_SHIFT);
pmic_write_set(PMIC_ACCDET_EINT_CMPMOUT_SEL_ADDR,
PMIC_ACCDET_EINT_CMPMOUT_SEL_SHIFT);
pmic_write_set(PMIC_ACCDET_EINT_CMPMEN_SEL_ADDR,
PMIC_ACCDET_EINT_CMPMEN_SEL_SHIFT);
/* wk1, disable hwmode */
pmic_write(PMIC_ACCDET_HWMODE_EN_ADDR, 0x100);
} else if (accdet_dts.moisture_detect_mode == 0x4) {
/* enable moisture detection function */
pmic_write_set(PMIC_ACCDET_EINT_M_DETECT_EN_ADDR,
PMIC_ACCDET_EINT_M_DETECT_EN_SHIFT);
/* wk1, disable hwmode */
pmic_write(PMIC_ACCDET_HWMODE_EN_ADDR, 0x100);
} else if (accdet_dts.moisture_detect_mode == 0x5) {
/* blocking CTURBO */
pmic_write_set(PMIC_ACCDET_EINT_CTURBO_SEL_ADDR,
PMIC_ACCDET_EINT_CTURBO_SEL_SHIFT);
/* enable moisture detection function */
pmic_write_set(PMIC_ACCDET_EINT_M_DETECT_EN_ADDR,
PMIC_ACCDET_EINT_M_DETECT_EN_SHIFT);
/* wk1, disable hwmode */
pmic_write(PMIC_ACCDET_HWMODE_EN_ADDR, 0x500);
pmic_write_set(PMIC_RG_HPLOUTPUTSTBENH_VAUDP32_ADDR,
PMIC_RG_HPLOUTPUTSTBENH_VAUDP32_SHIFT);
pmic_write_set(PMIC_RG_HPROUTPUTSTBENH_VAUDP32_ADDR,
PMIC_RG_HPROUTPUTSTBENH_VAUDP32_SHIFT);
} else {
/* wk1, disable hwmode */
pmic_write(PMIC_ACCDET_HWMODE_EN_ADDR, 0x100);
}
if (accdet_dts.moisture_detect_enable == 0) {
pr_info("%s() disable digital moisture.\n", __func__);
/* disable moisture detection function */
pmic_write_clr(PMIC_ACCDET_EINT_M_DETECT_EN_ADDR,
PMIC_ACCDET_EINT_M_DETECT_EN_SHIFT);
}
/* enable PWM */
pmic_write(PMIC_ACCDET_CMP_PWM_EN_ADDR, 0x67);
/* enable inverter detection */
if (accdet_dts.eint_detect_mode == 0x1) {
/* disable inverter detection */
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
pmic_write_clr(PMIC_ACCDET_EINT0_INVERTER_SW_EN_ADDR,
PMIC_ACCDET_EINT0_INVERTER_SW_EN_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
pmic_write_clr(PMIC_ACCDET_EINT1_INVERTER_SW_EN_ADDR,
PMIC_ACCDET_EINT1_INVERTER_SW_EN_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_BI_EINT
pmic_write_clr(PMIC_ACCDET_EINT0_INVERTER_SW_EN_ADDR,
PMIC_ACCDET_EINT0_INVERTER_SW_EN_SHIFT);
pmic_write_clr(PMIC_ACCDET_EINT1_INVERTER_SW_EN_ADDR,
PMIC_ACCDET_EINT1_INVERTER_SW_EN_SHIFT);
#endif
} else {
/* enable inverter detection */
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
pmic_write_set(PMIC_ACCDET_EINT0_INVERTER_SW_EN_ADDR,
PMIC_ACCDET_EINT0_INVERTER_SW_EN_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
pmic_write_set(PMIC_ACCDET_EINT1_INVERTER_SW_EN_ADDR,
PMIC_ACCDET_EINT1_INVERTER_SW_EN_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_BI_EINT
pmic_write_set(PMIC_ACCDET_EINT0_INVERTER_SW_EN_ADDR,
PMIC_ACCDET_EINT0_INVERTER_SW_EN_SHIFT);
pmic_write_set(PMIC_ACCDET_EINT1_INVERTER_SW_EN_ADDR,
PMIC_ACCDET_EINT1_INVERTER_SW_EN_SHIFT);
#endif
}
}
static void config_analog_moisture_init_by_mode(void)
{
if (accdet_dts.moisture_detect_mode == 0x1) {
config_moisture_detect_1_0();
} else if ((accdet_dts.moisture_detect_mode == 0x2) ||
(accdet_dts.moisture_detect_mode == 0x3)) {
config_moisture_detect_1_1();
} else if (accdet_dts.moisture_detect_mode == 0x4) {
config_moisture_detect_2_1();
} else if (accdet_dts.moisture_detect_mode == 0x5) {
config_moisture_detect_2_1_1();
}
}
static void config_eint_init_by_mode(void)
{
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
pmic_write_set(PMIC_RG_EINT0EN_ADDR, PMIC_RG_EINT0EN_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
pmic_write_set(PMIC_RG_EINT1EN_ADDR, PMIC_RG_EINT1EN_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_BI_EINT
pmic_write_set(PMIC_RG_EINT0EN_ADDR, PMIC_RG_EINT0EN_SHIFT);
pmic_write_set(PMIC_RG_EINT1EN_ADDR, PMIC_RG_EINT1EN_SHIFT);
#endif
/* ESD switches on */
pmic_write_set(PMIC_RG_ACCDETSPARE_ADDR, 8);
/* before playback, set NCP pull low before nagative voltage */
pmic_write_set(PMIC_RG_NCP_PDDIS_EN_ADDR, PMIC_RG_NCP_PDDIS_EN_SHIFT);
if ((accdet_dts.eint_detect_mode == 0x1) ||
(accdet_dts.eint_detect_mode == 0x2) ||
(accdet_dts.eint_detect_mode == 0x3)) {
if (accdet_dts.eint_use_ext_res == 0x1) {
/* select VTH to 2v and 500k, use external resitance */
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
/* disable RG_EINT0CONFIGACCDET */
pmic_write_clr(PMIC_RG_EINT0CONFIGACCDET_ADDR,
PMIC_RG_EINT0CONFIGACCDET_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
/* disable RG_EINT1CONFIGACCDET */
pmic_write_clr(PMIC_RG_EINT1CONFIGACCDET_ADDR,
PMIC_RG_EINT1CONFIGACCDET_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_BI_EINT
/* disable RG_EINT0CONFIGACCDET */
pmic_write_clr(PMIC_RG_EINT0CONFIGACCDET_ADDR,
PMIC_RG_EINT0CONFIGACCDET_SHIFT);
/* disable RG_EINT1CONFIGACCDET */
pmic_write_clr(PMIC_RG_EINT1CONFIGACCDET_ADDR,
PMIC_RG_EINT1CONFIGACCDET_SHIFT);
#endif
} else {
/* select VTH to 2v and 500k, use internal resitance */
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
/* enable RG_EINT0CONFIGACCDET */
pmic_write_set(PMIC_RG_EINT0CONFIGACCDET_ADDR,
PMIC_RG_EINT0CONFIGACCDET_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
/* enable RG_EINT1CONFIGACCDET */
pmic_write_set(PMIC_RG_EINT1CONFIGACCDET_ADDR,
PMIC_RG_EINT1CONFIGACCDET_SHIFT);
#elif defined CONFIG_ACCDET_SUPPORT_BI_EINT
/* enable RG_EINT0CONFIGACCDET */
pmic_write_set(PMIC_RG_EINT0CONFIGACCDET_ADDR,
PMIC_RG_EINT0CONFIGACCDET_SHIFT);
/* enable RG_EINT1CONFIGACCDET */
pmic_write_set(PMIC_RG_EINT1CONFIGACCDET_ADDR,
PMIC_RG_EINT1CONFIGACCDET_SHIFT);
#endif
}
} else if (accdet_dts.eint_detect_mode == 0x4) {
/* enable RG_EINT0CONFIGACCDET */
pmic_write_set(PMIC_RG_EINT0CONFIGACCDET_ADDR,
PMIC_RG_EINT0CONFIGACCDET_SHIFT);
/*select 500k, use internal resistor */
pmic_write_set(PMIC_RG_EINT0HIRENB_ADDR,
PMIC_RG_EINT0HIRENB_SHIFT);
/* select VTH to 2v */
pmic_write_mset(PMIC_RG_EINTCOMPVTH_ADDR,
PMIC_RG_EINTCOMPVTH_SHIFT, PMIC_RG_EINTCOMPVTH_MASK,
0x2);
pr_info("%s: %x=%x %x=%x",
__func__,
PMIC_RG_EINT0CONFIGACCDET_ADDR,
pmic_read(PMIC_RG_EINT0CONFIGACCDET_ADDR),
PMIC_RG_EINTCOMPVTH_ADDR, pmic_read(PMIC_RG_EINTCOMPVTH_ADDR));
} else if (accdet_dts.eint_detect_mode == 0x5) {
/* do nothing */
}
if (accdet_dts.eint_detect_mode != 0x1) {
/* current detect set 0.25uA */
pmic_write_mset(PMIC_RG_ACCDETSPARE_ADDR,
PMIC_RG_ACCDETSPARE_SHIFT,
0x3, 0x3);
}
}
#endif /* end of CONFIG_ACCDET_EINT_IRQ */
static void accdet_init_once(void)
{
unsigned int reg = 0;
/* reset the accdet unit */
pmic_write_set(PMIC_RG_ACCDET_RST_ADDR, PMIC_RG_ACCDET_RST_SHIFT);
pmic_write_clr(PMIC_RG_ACCDET_RST_ADDR, PMIC_RG_ACCDET_RST_SHIFT);
/* clear high micbias1 voltage setting */
pmic_write_mclr(PMIC_RG_AUDPWDBMICBIAS1_ADDR,
PMIC_RG_AUDMICBIAS1HVEN_SHIFT, 0x3);
/* clear micbias1 voltage */
pmic_write_mclr(PMIC_RG_AUDPWDBMICBIAS1_ADDR,
PMIC_RG_AUDMICBIAS1VREF_SHIFT, 0x7);
/* init pwm frequency, duty & rise/falling delay */
pmic_write(PMIC_ACCDET_PWM_WIDTH_ADDR,
REGISTER_VAL(cust_pwm_deb->pwm_width));
pmic_write(PMIC_ACCDET_PWM_THRESH_ADDR,
REGISTER_VAL(cust_pwm_deb->pwm_thresh));
pmic_write(PMIC_ACCDET_RISE_DELAY_ADDR,
(cust_pwm_deb->fall_delay << 15 | cust_pwm_deb->rise_delay));
/* config micbias voltage, micbias1 vref is only controlled by accdet
* if we need 2.8V, config [12:13]
*/
reg = pmic_read(PMIC_RG_AUDPWDBMICBIAS1_ADDR);
if (accdet_dts.mic_vol <= 7) {
/* micbias1 <= 2.7V */
pmic_write(PMIC_RG_AUDPWDBMICBIAS1_ADDR,
reg | (accdet_dts.mic_vol<<PMIC_RG_AUDMICBIAS1VREF_SHIFT) |
RG_AUD_MICBIAS1_LOWP_EN);
} else if (accdet_dts.mic_vol == 8) {
/* micbias1 = 2.8v */
pmic_write(PMIC_RG_AUDPWDBMICBIAS1_ADDR,
reg | (3<<PMIC_RG_AUDMICBIAS1HVEN_SHIFT) |
RG_AUD_MICBIAS1_LOWP_EN);
} else if (accdet_dts.mic_vol == 9) {
/* micbias1 = 2.85v */
pmic_write(PMIC_RG_AUDPWDBMICBIAS1_ADDR,
reg | (1<<PMIC_RG_AUDMICBIAS1HVEN_SHIFT) |
RG_AUD_MICBIAS1_LOWP_EN);
}
/* mic mode setting */
reg = pmic_read(PMIC_RG_AUDACCDETMICBIAS0PULLLOW_ADDR);
if (accdet_dts.mic_mode == HEADSET_MODE_1) {
/* ACC mode*/
pmic_write(PMIC_RG_AUDACCDETMICBIAS0PULLLOW_ADDR,
reg | RG_ACCDET_MODE_ANA11_MODE1);
/* enable analog fast discharge */
pmic_write_set(PMIC_RG_ANALOGFDEN_ADDR,
PMIC_RG_ANALOGFDEN_SHIFT);
pmic_write_mset(PMIC_RG_ACCDETSPARE_ADDR, 11, 0x3, 0x3);
} else if (accdet_dts.mic_mode == HEADSET_MODE_2) {
/* DCC mode Low cost mode without internal bias*/
pmic_write(PMIC_RG_AUDACCDETMICBIAS0PULLLOW_ADDR,
reg | RG_ACCDET_MODE_ANA11_MODE2);
/* enable analog fast discharge */
pmic_write_mset(PMIC_RG_ANALOGFDEN_ADDR,
PMIC_RG_ANALOGFDEN_SHIFT, 0x3, 0x3);
} else if (accdet_dts.mic_mode == HEADSET_MODE_6) {
/* DCC mode Low cost mode with internal bias,
* bit8 = 1 to use internal bias
*/
pmic_write(PMIC_RG_AUDACCDETMICBIAS0PULLLOW_ADDR,
reg | RG_ACCDET_MODE_ANA11_MODE6);
pmic_write_set(PMIC_RG_AUDPWDBMICBIAS1_ADDR,
PMIC_RG_AUDMICBIAS1DCSW1PEN_SHIFT);
/* enable analog fast discharge */
pmic_write_mset(PMIC_RG_ANALOGFDEN_ADDR,
PMIC_RG_ANALOGFDEN_SHIFT, 0x3, 0x3);
}
#ifdef CONFIG_ACCDET_EINT_IRQ
config_eint_init_by_mode();
#endif
#ifdef CONFIG_ACCDET_EINT_IRQ
if (accdet_dts.moisture_detect_enable == 1) {
pr_info("%s() set analog moisture.\n", __func__);
config_analog_moisture_init_by_mode();
}
config_digital_moisture_init_by_mode();
#endif
#ifdef CONFIG_ACCDET_EINT
/* set pull low pads and DCC mode */
pmic_write(PMIC_RG_AUDACCDETMICBIAS0PULLLOW_ADDR, 0x8F);
/* disconnect configaccdet */
pmic_write(PMIC_RG_EINT1CONFIGACCDET_ADDR, 0x0);
/* disable eint comparator */
pmic_write(PMIC_RG_EINT0CMPEN_ADDR, 0x0);
/* enable PWM */
pmic_write(PMIC_ACCDET_CMP_PWM_EN_ADDR, 0x7);
/* enable accdet sw mode */
pmic_write(PMIC_ACCDET_HWMODE_EN_ADDR, 0x0);
/* set DA signal to stable */
pmic_write(PMIC_ACCDET_DA_STABLE_ADDR, 0x1);
/* disable eint/inverter/sw_en */
pmic_write(PMIC_ACCDET_SW_EN_ADDR, 0x0);
#endif
pr_info("%s() done.\n", __func__);
#if PMIC_ACCDET_DEBUG
dump_register();
#endif
}
static void accdet_init_debounce(void)
{
/* set debounce to 1ms */
accdet_set_debounce(eint_state000,
accdet_dts.pwm_deb.eint_debounce0);
/* set debounce to 128ms */
accdet_set_debounce(eint_state011,
accdet_dts.pwm_deb.eint_debounce3);
}
static inline void accdet_init(void)
{
/* add new of DE for fix icon cann't appear */
#if PMIC_ACCDET_KERNEL
/* set and clear initial bit every eint interrutp */
pmic_write_set(PMIC_ACCDET_SEQ_INIT_ADDR, PMIC_ACCDET_SEQ_INIT_SHIFT);
mdelay(2); /* please do not change usleep_range(2000, 3000); */
pmic_write_clr(PMIC_ACCDET_SEQ_INIT_ADDR, PMIC_ACCDET_SEQ_INIT_SHIFT);
mdelay(1); /* please do not change usleep_range(1000, 1500); */
#endif
/* init the debounce time (debounce/32768)sec */
accdet_set_debounce(accdet_state000, cust_pwm_deb->debounce0);
accdet_set_debounce(accdet_state001, cust_pwm_deb->debounce1);
accdet_set_debounce(accdet_state011, cust_pwm_deb->debounce3);
/* auxadc:2ms */
accdet_set_debounce(accdet_auxadc, cust_pwm_deb->debounce4);
if (accdet_dts.moisture_detect_enable == 0x1) {
/* eint_state001 can be configured, less than 2ms */
accdet_set_debounce(eint_state001,
accdet_dts.pwm_deb.eint_debounce1);
accdet_set_debounce(eint_state010,
accdet_dts.pwm_deb.eint_debounce2);
} else {
accdet_set_debounce(eint_state001,
accdet_dts.pwm_deb.eint_debounce1);
}
accdet_set_debounce(eint_inverter_state000,
accdet_dts.pwm_deb.eint_inverter_debounce);
pr_info("%s() done.\n", __func__);
}
/* late init for DC trim, and this API Will be called by audio */
void accdet_late_init(unsigned long data)
{
if (pmic_read(PMIC_SWCID_ADDR) == 0x5910) {
pr_info("accdet not supported\r");
} else {
pr_info("%s() now init accdet!\n", __func__);
#if PMIC_ACCDET_KERNEL
if (atomic_cmpxchg(&accdet_first, 1, 0)) {
del_timer_sync(&accdet_init_timer);
#else
if (true) {
accdet_get_dts_data();
accdet_get_efuse();
#endif
accdet_init();
accdet_init_debounce();
/* just need run once */
accdet_init_once();
} else
pr_info("%s inited dts fail\n", __func__);
}
}
void accdet_modify_vref_volt(void)
{
}
static void accdet_modify_vref_volt_self(void)
{
u32 cur_AB, eintID;
if (accdet_dts.moisture_detect_mode == 0x5) {
/* make sure seq is disable micbias then connect vref2 */
/* check EINT0 status, if plug out,
* not need to disable accdet here
*/
eintID = pmic_read_mbit(PMIC_ACCDET_EINT0_MEM_IN_ADDR,
PMIC_ACCDET_EINT0_MEM_IN_SHIFT,
PMIC_ACCDET_EINT0_MEM_IN_MASK);
if (eintID == M_PLUG_OUT) {
pr_info("%s Plug-out, no dis micbias\n", __func__);
return;
}
cur_AB = pmic_read(PMIC_ACCDET_MEM_IN_ADDR) >> ACCDET_STATE_MEM_IN_OFFSET;
cur_AB = cur_AB & ACCDET_STATE_AB_MASK;
/* if 3pole disable accdet
* if <20k + 4pole, disable accdet will disable accdet
* plug out interrupt. The behavior will same as 3pole
*/
if (cable_type == HEADSET_MIC) {
/* do nothing */
} else if ((cable_type == HEADSET_NO_MIC) ||
(cur_AB == ACCDET_STATE_AB_00) ||
(cur_AB == ACCDET_STATE_AB_11)) {
/* disable accdet_sw_en=0
* disable accdet_hwmode_en=0
*/
pmic_write_clr(PMIC_ACCDET_SW_EN_ADDR,
PMIC_ACCDET_SW_EN_SHIFT);
disable_accdet();
pr_info("%s MICBIAS:Disabled AB:0x%x c_type:0x%x\n",
__func__, cur_AB, cable_type);
dis_micbias_done = true;
}
/* disable comp1 delay window */
pmic_write_set(PMIC_RG_EINT0NOHYS_ADDR,
PMIC_RG_EINT0NOHYS_SHIFT);
/* connect VREF2 to EINT0CMP */
pmic_write_mset(PMIC_RG_EINTCOMPVTH_ADDR,
PMIC_RG_EINTCOMPVTH_SHIFT, 0x3, 0x3);
pr_info("%s [0x%x]=0x%x [0x%x]=0x%x\n", __func__,
PMIC_RG_EINT0NOHYS_ADDR,
pmic_read(PMIC_RG_EINT0NOHYS_ADDR),
PMIC_RG_EINTCOMPVTH_ADDR,
pmic_read(PMIC_RG_EINTCOMPVTH_ADDR));
}
}
#if PMIC_ACCDET_KERNEL
EXPORT_SYMBOL(accdet_late_init);
static void delay_init_timerhandler(struct timer_list *t)
{
if (pmic_read(PMIC_SWCID_ADDR) == 0x5910) {
pr_info("accdet not supported\r");
} else {
pr_info("%s() now init accdet!\n", __func__);
if (atomic_cmpxchg(&accdet_first, 1, 0)) {
accdet_init();
accdet_init_debounce();
accdet_init_once();
} else
pr_info("%s inited dts fail\n", __func__);
}
}
int mt_accdet_probe(struct platform_device *dev)
{
int ret;
struct platform_driver accdet_driver_hal = accdet_driver_func();
pr_info("%s() begin!\n", __func__);
/* register char device number, Create normal device for auido use */
ret = alloc_chrdev_region(&accdet_devno, 0, 1, ACCDET_DEVNAME);
if (ret) {
pr_notice("%s alloc_chrdev_reg fail,ret:%d!\n", __func__, ret);
goto err_chrdevregion;
}
/* init cdev, and add it to system */
accdet_cdev = cdev_alloc();
accdet_cdev->owner = THIS_MODULE;
accdet_cdev->ops = accdet_get_fops();
ret = cdev_add(accdet_cdev, accdet_devno, 1);
if (ret) {
pr_notice("%s cdev_add fail.ret:%d\n", __func__, ret);
goto err_cdev_add;
}
/* create class in sysfs, "sys/class/", so udev in userspace can create
*device node, when device_create is called
*/
accdet_class = class_create(THIS_MODULE, ACCDET_DEVNAME);
if (!accdet_class) {
ret = -1;
pr_notice("%s class_create fail.\n", __func__);
goto err_class_create;
}
/* create device under /dev node
* if we want auto creat device node, we must call this
*/
accdet_device = device_create(accdet_class, NULL, accdet_devno,
NULL, ACCDET_DEVNAME);
if (!accdet_device) {
ret = -1;
pr_notice("%s device_create fail.\n", __func__);
goto err_device_create;
}
/* Create input device*/
accdet_input_dev = input_allocate_device();
if (!accdet_input_dev) {
ret = -ENOMEM;
pr_notice("%s input_allocate_device fail.\n", __func__);
goto err_input_alloc;
}
__set_bit(EV_KEY, accdet_input_dev->evbit);
__set_bit(KEY_MEDIA, accdet_input_dev->keybit);
__set_bit(KEY_VOLUMEDOWN, accdet_input_dev->keybit);
__set_bit(KEY_VOLUMEUP, accdet_input_dev->keybit);
__set_bit(KEY_VOICECOMMAND, accdet_input_dev->keybit);
__set_bit(EV_SW, accdet_input_dev->evbit);
__set_bit(SW_HEADPHONE_INSERT, accdet_input_dev->swbit);
__set_bit(SW_MICROPHONE_INSERT, accdet_input_dev->swbit);
__set_bit(SW_JACK_PHYSICAL_INSERT, accdet_input_dev->swbit);
__set_bit(SW_LINEOUT_INSERT, accdet_input_dev->swbit);
accdet_input_dev->id.bustype = BUS_HOST;
accdet_input_dev->name = "ACCDET";
ret = input_register_device(accdet_input_dev);
if (ret) {
pr_notice("%s input_register_device fail.ret:%d\n", __func__,
ret);
goto err_input_reg;
}
ret = accdet_create_attr(&accdet_driver_hal.driver);
if (ret) {
pr_notice("%s create_attr fail, ret = %d\n", __func__, ret);
goto err_create_attr;
}
/* modify timer api for kernel 4.19 */
timer_setup(&micbias_timer, dis_micbias_timerhandler, 0);
timer_setup(&accdet_init_timer, delay_init_timerhandler, 0);
micbias_timer.expires = jiffies + MICBIAS_DISABLE_TIMER;
accdet_init_timer.expires = jiffies + ACCDET_INIT_WAIT_TIMER;
timer_setup(&accdet_open_cable_timer,
check_open_cable_timerhandler, 0);
accdet_open_cable_timer.expires = jiffies + ACCDET_OPEN_CABLE_TIMER;
/* the third argument may include TIMER_* flags */
/* wake lock */
accdet_irq_lock = wakeup_source_register(NULL, "accdet_irq_lock");
if (!accdet_irq_lock)
return -ENOMEM;
accdet_timer_lock = wakeup_source_register(NULL, "accdet_timer_lock");
if (!accdet_timer_lock)
return -ENOMEM;
/* Create workqueue */
accdet_workqueue = create_singlethread_workqueue("accdet");
INIT_WORK(&accdet_work, accdet_work_callback);
if (!accdet_workqueue) {
ret = -1;
pr_notice("%s create accdet workqueue fail.\n", __func__);
goto err_create_attr;
}
/* register pmic interrupt */
pmic_register_interrupt_callback(INT_ACCDET, accdet_int_handler);
#ifdef CONFIG_ACCDET_EINT_IRQ
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
pmic_register_interrupt_callback(INT_ACCDET_EINT0,
accdet_eint_handler);
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
pmic_register_interrupt_callback(INT_ACCDET_EINT1,
accdet_eint_handler);
#elif defined CONFIG_ACCDET_BI_EINT
pmic_register_interrupt_callback(INT_ACCDET_EINT0,
accdet_eint_handler);
pmic_register_interrupt_callback(INT_ACCDET_EINT1,
accdet_eint_handler);
#endif
#endif
ret = accdet_get_dts_data();
if (ret) {
atomic_set(&accdet_first, 0);
pr_notice("%s accdet_get_dts_data err!\n", __func__);
goto err;
}
dis_micbias_workqueue = create_singlethread_workqueue("dismicQueue");
INIT_WORK(&dis_micbias_work, dis_micbias_work_callback);
if (!dis_micbias_workqueue) {
ret = -1;
pr_notice("%s create dis micbias workqueue fail.\n", __func__);
goto err;
}
eint_workqueue = create_singlethread_workqueue("accdet_eint");
INIT_WORK(&eint_work, eint_work_callback);
if (!eint_workqueue) {
ret = -1;
pr_notice("%s create eint workqueue fail.\n", __func__);
goto err_create_workqueue;
}
#ifdef CONFIG_ACCDET_EINT
ret = ext_eint_setup(dev);
if (ret) {
pr_notice("%s ap eint setup fail.ret:%d\n", __func__, ret);
goto err_eint_setup;
}
#endif
atomic_set(&accdet_first, 1);
mod_timer(&accdet_init_timer, (jiffies + ACCDET_INIT_WAIT_TIMER));
accdet_get_efuse();
/* open top accdet interrupt */
pmic_enable_interrupt(INT_ACCDET, 1, "ACCDET");
#ifdef CONFIG_ACCDET_EINT_IRQ
#ifdef CONFIG_ACCDET_SUPPORT_EINT0
/* open top interrupt eint0 */
pmic_enable_interrupt(INT_ACCDET_EINT0, 1, "ACCDET_EINT0");
#elif defined CONFIG_ACCDET_SUPPORT_EINT1
/* open top interrupt eint1 */
pmic_enable_interrupt(INT_ACCDET_EINT1, 1, "ACCDET_EINT1");
#elif defined CONFIG_ACCDET_SUPPORT_BI_EINT
/* open top interrupt eint0 & eint1 */
pmic_enable_interrupt(INT_ACCDET_EINT0, 1, "ACCDET_EINT0");
pmic_enable_interrupt(INT_ACCDET_EINT1, 1, "ACCDET_EINT1");
#endif
#endif
#ifdef CONFIG_SND_SOC_SAMSUNG_AUDIO
register_accdet_jack_cb(&accdet_pdata);
#endif
pr_info("%s done!\n", __func__);
return 0;
#ifdef CONFIG_ACCDET_EINT
err_eint_setup:
destroy_workqueue(eint_workqueue);
#endif
err_create_workqueue:
destroy_workqueue(dis_micbias_workqueue);
err:
destroy_workqueue(accdet_workqueue);
err_create_attr:
input_unregister_device(accdet_input_dev);
err_input_reg:
input_free_device(accdet_input_dev);
err_input_alloc:
device_del(accdet_device);
err_device_create:
class_destroy(accdet_class);
err_class_create:
cdev_del(accdet_cdev);
err_cdev_add:
unregister_chrdev_region(accdet_devno, 1);
err_chrdevregion:
pr_notice("%s error. now exit.!\n", __func__);
return ret;
}
void mt_accdet_remove(void)
{
pr_debug("%s enter!\n", __func__);
/* cancel_delayed_work(&accdet_work); */
destroy_workqueue(eint_workqueue);
destroy_workqueue(dis_micbias_workqueue);
destroy_workqueue(accdet_workqueue);
input_unregister_device(accdet_input_dev);
input_free_device(accdet_input_dev);
device_del(accdet_device);
class_destroy(accdet_class);
cdev_del(accdet_cdev);
unregister_chrdev_region(accdet_devno, 1);
pr_debug("%s done!\n", __func__);
}
#endif /* end of #if PMIC_ACCDET_KERNEL */
long mt_accdet_unlocked_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
switch (cmd) {
case ACCDET_INIT:
break;
case SET_CALL_STATE:
break;
case GET_BUTTON_STATUS:
return s_button_status;
default:
pr_debug("[Accdet]accdet_ioctl : default\n");
break;
}
return 0;
}
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