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android_kernel_samsung_msm8226/drivers/misc/max77828-muic.c

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/*
* max77828-muic.c - MUIC driver for the Maxim 77828
*
* Copyright (C) 2012 Samsung Electronics.
* <sukdong.kim@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/workqueue.h>
#include <linux/input.h>
#include <linux/mfd/max77828.h>
#include <linux/mfd/max77828-private.h>
#include <linux/host_notify.h>
#include <linux/wakelock.h>
#include <linux/switch.h>
#ifdef CONFIG_USBHUB_USB3803
#include <linux/usb3803.h>
#endif
#include <linux/delay.h>
#if defined(CONFIG_SWITCH_DUAL_MODEM)
#include <linux/sec_param.h>
#endif
#define DEV_NAME "max77828-muic"
/* For testing of Adaptive Charging */
#ifndef TEST
#define TEST 1
#endif
/* for providing API */
static struct max77828_muic_info *gInfo;
/* For restore charger interrupt states */
//static u8 chg_int_state;
/* MAX77828 MUIC CHG_TYP setting values */
enum {
/* No Valid voltage at VB (Vvb < Vvbdet) */
CHGTYP_NO_VOLTAGE = 0x00,
/* Unknown (D+/D- does not present a valid USB charger signature) */
CHGTYP_USB = 0x01,
/* Charging Downstream Port */
CHGTYP_DOWNSTREAM_PORT = 0x02,
/* Dedicated Charger (D+/D- shorted) */
CHGTYP_DEDICATED_CHGR = 0x03,
/* Special 500mA charger, max current 500mA */
CHGTYP_500MA = 0x04,
/* Special 1A charger, max current 1A */
CHGTYP_1A = 0x05,
/* Reserved for Future Use */
CHGTYP_RFU = 0x06,
/* Dead Battery Charging, max current 100mA */
CHGTYP_DB_100MA = 0x07,
CHGTYP_MAX,
CHGTYP_INIT,
CHGTYP_MIN = CHGTYP_NO_VOLTAGE
};
enum {
ADC_GND = 0x00,
#if defined(CONFIG_MUIC_DET_JACK)
ADC_MHL_OR_SENDEND = 0x01,
#else
ADC_MHL = 0x01,
#endif
ADC_DOCK_PREV_KEY = 0x04,
ADC_DOCK_NEXT_KEY = 0x07,
ADC_INCOMPATIBLE1_CHG = 0x08, /* 0x01000 10.0K ohm*/
ADC_DOCK_VOL_DN = 0x0a, /* 0x01010 14.46K ohm */
ADC_DOCK_VOL_UP = 0x0b, /* 0x01011 17.26K ohm */
ADC_DOCK_PLAY_PAUSE_KEY = 0x0d,
ADC_VZW_USB_DOCK = 0x0e, /* 0x01110 28.7K ohm VZW Dock */
ADC_SMARTDOCK = 0x10, /* 0x10000 40.2K ohm */
ADC_HMT = 0x11, /* 0x10001 49.9K ohm */
ADC_AUDIODOCK = 0x12, /* 0x10010 64.9K ohm */
ADC_CEA936ATYPE1_CHG = 0x17, /* 0x10111 200K ohm */
ADC_JIG_USB_OFF = 0x18, /* 0x11000 255K ohm */
ADC_JIG_USB_ON = 0x19, /* 0x11001 301K ohm */
ADC_DESKDOCK = 0x1a, /* 0x11010 365K ohm */
ADC_CEA936ATYPE2_CHG = 0x1b, /* 0x11011 442K ohm */
ADC_JIG_UART_OFF = 0x1c, /* 0x11100 523K ohm */
ADC_JIG_UART_ON = 0x1d, /* 0x11101 619K ohm */
ADC_CARDOCK = 0x1d, /* 0x11101 619K ohm */
#if defined(CONFIG_MUIC_DET_JACK)
ADC_EARJACK = 0x1e, /* 0x11110 1000 or 1002 ohm */
#endif
ADC_OPEN = 0x1f
};
enum {
DOCK_KEY_NONE = 0,
DOCK_KEY_VOL_UP_PRESSED,
DOCK_KEY_VOL_UP_RELEASED,
DOCK_KEY_VOL_DOWN_PRESSED,
DOCK_KEY_VOL_DOWN_RELEASED,
DOCK_KEY_PREV_PRESSED,
DOCK_KEY_PREV_RELEASED,
DOCK_KEY_PLAY_PAUSE_PRESSED,
DOCK_KEY_PLAY_PAUSE_RELEASED,
DOCK_KEY_NEXT_PRESSED,
DOCK_KEY_NEXT_RELEASED,
};
struct max77828_muic_info {
struct device *dev;
struct max77828_dev *max77828;
struct i2c_client *muic;
struct max77828_muic_data *muic_data;
int irq_adc;
int irq_chgtype;
int irq_vbvolt;
int irq_adc1k;
int mansw;
u8 tx_data;
struct timer_list timer;
struct wake_lock muic_wake_lock;
enum cable_type_muic cable_type;
struct delayed_work dock_work;
struct delayed_work init_work;
struct delayed_work usb_work;
struct delayed_work dock_usb_work;
struct delayed_work mhl_work;
#if defined(CONFIG_SEC_H_PROJECT) || defined (CONFIG_SEC_K_PROJECT)
struct delayed_work usb_connection_work;
int speaker_check_count;
#endif
#if defined(CONFIG_MUIC_DET_JACK)
struct work_struct earjack_work;
struct work_struct earjackkey_work;
#endif
struct mutex mutex;
#if !defined(CONFIG_MUIC_MAX77828_SUPPORT_CAR_DOCK)
bool is_factory_start;
#endif /* !CONFIG_MUIC_MAX77828_SUPORT_CAR_DOCK */
bool is_usb_ready;
bool is_mhl_ready;
u8 adc;
u8 chgtyp;
u8 vbvolt;
struct input_dev *input;
int previous_key;
bool is_adc_open_prev;
#if defined(CONFIG_MUIC_DET_JACK)
bool eardetacted;
bool earkeypressed;
int init_detect_done;
unsigned int old_keycode;
unsigned int keycode;
#endif
};
#if defined(CONFIG_MUIC_DET_JACK)
struct switch_dev switch_earjack = {
.name = "h2w", /* /sys/class/switch/h2w/state */
};
struct switch_dev switch_earjackkey = {
.name = "send_end", /* /sys/class/switch/send_end/state */
};
#endif
struct switch_dev switch_uart3 = {
.name = "uart3", /* /sys/class/switch/uart3/state */
};
static int if_muic_info;
static int switch_sel;
static int if_pmic_rev;
int is_cardock;
#if defined(CONFIG_MACH_MONTBLANC) || defined(CONFIG_MACH_VIKALCU)
bool gEarDetected = false;
#endif
EXPORT_SYMBOL(is_cardock);
/* func : get_if_pmic_inifo
* switch_sel value get from bootloader comand line
* switch_sel data consist 8 bits (xxxxzzzz)
* first 4bits(zzzz) mean path infomation.
* next 4bits(xxxx) mean if pmic version info
*/
static int get_if_pmic_inifo(char *str)
{
get_option(&str, &if_muic_info);
switch_sel = if_muic_info & 0x0f;
if_pmic_rev = (if_muic_info & 0xf0) >> 4;
pr_info("%s %s: switch_sel: %x if_pmic_rev:%x\n",
__FILE__, __func__, switch_sel, if_pmic_rev);
return if_muic_info;
}
__setup("pmic_info=", get_if_pmic_inifo);
int get_switch_sel(void)
{
return switch_sel;
}
static int max77828_muic_set_comp2_comn1_pass2
(struct max77828_muic_info *info, int type, int path)
{
/* type 0 == usb, type 1 == uart */
u8 cntl1_val, cntl1_msk;
int ret = 0;
int val;
dev_info(info->dev, "func: %s type: %d path: %d\n",
__func__, type, path);
if (type == 0) {
if (path == AP_USB_MODE) {
info->muic_data->sw_path = AP_USB_MODE;
val = MAX77828_MUIC_CTRL1_BIN_1_001;
} else if (path == CP_USB_MODE) {
info->muic_data->sw_path = CP_USB_MODE;
val = MAX77828_MUIC_CTRL1_BIN_4_100;
} else {
dev_err(info->dev, "func: %s invalid usb path\n"
, __func__);
return -EINVAL;
}
} else if (type == 1) {
if (path == UART_PATH_AP) {
info->muic_data->uart_path = UART_PATH_AP;
val = MAX77828_MUIC_CTRL1_BIN_3_011;
} else if (path == UART_PATH_CP) {
info->muic_data->uart_path = UART_PATH_CP;
val = MAX77828_MUIC_CTRL1_BIN_5_101;
} else {
dev_err(info->dev, "func: %s invalid uart path\n"
, __func__);
return -EINVAL;
}
}
#if defined(CONFIG_MUIC_DET_JACK)
else if (type == 2) {
val = MAX77828_MUIC_CTRL1_BIN_2_010;
}
#endif
else {
dev_err(info->dev, "func: %s invalid path type(%d)\n"
, __func__, type);
return -EINVAL;
}
cntl1_val = (val << CTRL1_COMN1SW_SHIFT) | (val << CTRL1_COMP2SW_SHIFT);
cntl1_msk = CTRL1_COMN1SW_MASK | CTRL1_COMP2SW_MASK;
max77828_update_reg(info->muic, MAX77828_MUIC_REG_CTRL1, cntl1_val,
cntl1_msk);
return ret;
}
static int max77828_muic_set_uart_path_pass2
(struct max77828_muic_info *info, int path)
{
int ret = 0;
ret = max77828_muic_set_comp2_comn1_pass2(info, 1/*uart*/, path);
return ret;
}
#if defined(CONFIG_MUIC_DET_JACK)
static int max77828_muic_set_audio_path_pass2(struct max77828_muic_info *info, int path)
{
int ret = 0;
ret = max77828_muic_set_comp2_comn1_pass2(info, 2/*audio*/, path);
return ret;
}
#endif
static ssize_t max77828_muic_show_usb_state(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct max77828_muic_info *info = dev_get_drvdata(dev);
dev_info(info->dev, "func:%s info->cable_type:%d\n",
__func__, info->cable_type);
switch (info->cable_type) {
case CABLE_TYPE_USB_MUIC:
case CABLE_TYPE_JIG_USB_OFF_MUIC:
case CABLE_TYPE_JIG_USB_ON_MUIC:
return sprintf(buf, "USB_STATE_CONFIGURED\n");
default:
break;
}
return sprintf(buf, "USB_STATE_NOTCONFIGURED\n");
}
static ssize_t max77828_muic_show_device(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct max77828_muic_info *info = dev_get_drvdata(dev);
dev_info(info->dev, "func:%s info->cable_type:%d\n",
__func__, info->cable_type);
switch (info->cable_type) {
case CABLE_TYPE_NONE_MUIC:
return sprintf(buf, "No cable\n");
case CABLE_TYPE_USB_MUIC:
return sprintf(buf, "USB\n");
case CABLE_TYPE_OTG_MUIC:
return sprintf(buf, "OTG\n");
case CABLE_TYPE_TA_MUIC:
return sprintf(buf, "TA\n");
#if defined(CONFIG_MACH_KLTE_JPN)
case CABLE_TYPE_HV_TA_MUIC:
return sprintf(buf, "TA\n");
#endif
case CABLE_TYPE_DESKDOCK_MUIC:
return sprintf(buf, "Desk Dock\n");
case CABLE_TYPE_SMARTDOCK_MUIC:
return sprintf(buf, "Smart Dock\n");
case CABLE_TYPE_SMARTDOCK_TA_MUIC:
return sprintf(buf, "Smart Dock with TA\n");
case CABLE_TYPE_SMARTDOCK_USB_MUIC:
return sprintf(buf, "Smart Dock with USB\n");
case CABLE_TYPE_HMT_MUIC:
return sprintf(buf, "HMT Dock\n");
case CABLE_TYPE_HMT_TA_MUIC:
return sprintf(buf, "HMT Dock with TA\n");
case CABLE_TYPE_AUDIODOCK_MUIC:
return sprintf(buf, "Audio Dock\n");
case CABLE_TYPE_CARDOCK_MUIC:
return sprintf(buf, "Car Dock\n");
case CABLE_TYPE_JIG_UART_OFF_MUIC:
return sprintf(buf, "JIG UART OFF\n");
case CABLE_TYPE_JIG_UART_OFF_VB_MUIC:
return sprintf(buf, "JIG UART OFF/VB\n");
case CABLE_TYPE_JIG_UART_ON_MUIC:
return sprintf(buf, "JIG UART ON\n");
case CABLE_TYPE_JIG_USB_OFF_MUIC:
return sprintf(buf, "JIG USB OFF\n");
case CABLE_TYPE_JIG_USB_ON_MUIC:
return sprintf(buf, "JIG USB ON\n");
case CABLE_TYPE_MHL_MUIC:
return sprintf(buf, "mHL\n");
case CABLE_TYPE_MHL_VB_MUIC:
return sprintf(buf, "mHL charging\n");
case CABLE_TYPE_INCOMPATIBLE_MUIC:
return sprintf(buf, "Incompatible TA\n");
default:
break;
}
return sprintf(buf, "UNKNOWN\n");
}
static ssize_t max77828_muic_show_manualsw(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct max77828_muic_info *info = dev_get_drvdata(dev);
dev_info(info->dev, "func:%s ap(0),cp(1),vps(2)sw_path:%d\n",
__func__, info->muic_data->sw_path);/*For debuging*/
switch (info->muic_data->sw_path) {
case AP_USB_MODE:
return sprintf(buf, "PDA\n");
case CP_USB_MODE:
return sprintf(buf, "MODEM\n");
case AUDIO_MODE:
return sprintf(buf, "Audio\n");
default:
break;
}
return sprintf(buf, "UNKNOWN\n");
}
static int max77828_muic_set_usb_path(struct max77828_muic_info *info,
int path);
static ssize_t max77828_muic_set_manualsw(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct max77828_muic_info *info = dev_get_drvdata(dev);
dev_info(info->dev, "func:%s buf:%s,count:%d\n", __func__, buf, count);
if (!strncasecmp(buf, "PDA", 3)) {
info->muic_data->sw_path = AP_USB_MODE;
dev_info(info->dev, "%s: AP_USB_MODE\n", __func__);
} else if (!strncasecmp(buf, "MODEM", 5)) {
info->muic_data->sw_path = CP_USB_MODE;
dev_info(info->dev, "%s: CP_USB_MODE\n", __func__);
max77828_muic_set_usb_path(info, CP_USB_MODE);
} else
dev_warn(info->dev, "%s: Wrong command\n", __func__);
return count;
}
static ssize_t max77828_muic_show_adc(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct max77828_muic_info *info = dev_get_drvdata(dev);
int ret;
u8 val;
ret = max77828_read_reg(info->muic, MAX77828_MUIC_REG_STATUS1, &val);
dev_info(info->dev, "func:%s ret:%d val:%x\n", __func__, ret, val);
if (ret) {
dev_err(info->dev, "%s: fail to read muic reg\n", __func__);
return sprintf(buf, "UNKNOWN\n");
}
return sprintf(buf, "%x\n", (val & STATUS1_ADC_MASK));
}
static ssize_t max77828_muic_show_audio_path(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct max77828_muic_info *info = dev_get_drvdata(dev);
int ret;
u8 val;
ret = max77828_read_reg(info->muic, MAX77828_MUIC_REG_CTRL1, &val);
dev_info(info->dev, "func:%s ret:%d val:%x\n", __func__, ret, val);
if (ret) {
dev_err(info->dev, "%s: fail to read muic reg\n", __func__);
return sprintf(buf, "UNKNOWN\n");
}
return sprintf(buf, "%x\n", val);
}
static ssize_t max77828_muic_set_audio_path(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct max77828_muic_info *info = dev_get_drvdata(dev);
struct i2c_client *client = info->muic;
u8 cntl1_val, cntl1_msk;
u8 val;
dev_info(info->dev, "func:%s buf:%s\n", __func__, buf);
if (!strncmp(buf, "0", 1))
val = MAX77828_MUIC_CTRL1_BIN_0_000;
else if (!strncmp(buf, "1", 1))
val = MAX77828_MUIC_CTRL1_BIN_2_010;
else {
dev_warn(info->dev, "%s: Wrong command\n", __func__);
return count;
}
cntl1_val = (val << CTRL1_COMN1SW_SHIFT) | (val << CTRL1_COMP2SW_SHIFT);
cntl1_msk = CTRL1_COMN1SW_MASK | CTRL1_COMP2SW_MASK;
max77828_update_reg(client, MAX77828_MUIC_REG_CTRL1, cntl1_val,
cntl1_msk);
dev_info(info->dev, "MUIC cntl1_val:%x, cntl1_msk:%x\n", cntl1_val,
cntl1_msk);
cntl1_val = MAX77828_MUIC_CTRL1_BIN_0_000;
max77828_read_reg(client, MAX77828_MUIC_REG_CTRL1, &cntl1_val);
dev_info(info->dev, "%s: CNTL1(0x%02x)\n", __func__, cntl1_val);
return count;
}
static ssize_t max77828_muic_show_otg_test(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct max77828_muic_info *info = dev_get_drvdata(dev);
int ret;
u8 val;
ret = max77828_read_reg(info->muic, MAX77828_MUIC_REG_CDETCTRL1, &val);
dev_info(info->dev, "func:%s ret:%d val:%x buf%s\n",
__func__, ret, val, buf);
if (ret) {
dev_err(info->dev, "%s: fail to read muic reg\n", __func__);
return sprintf(buf, "UNKNOWN\n");
}
val &= CDETCTRL1_CHGDETEN_MASK;
return sprintf(buf, "%x\n", val);
}
static ssize_t max77828_muic_set_otg_test(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct max77828_muic_info *info = dev_get_drvdata(dev);
struct i2c_client *client = info->muic;
u8 val;
dev_info(info->dev, "func:%s buf:%s\n", __func__, buf);
if (!strncmp(buf, "0", 1))
val = 0;
else if (!strncmp(buf, "1", 1))
val = 1;
else {
dev_warn(info->dev, "%s: Wrong command\n", __func__);
return count;
}
max77828_update_reg(client, MAX77828_MUIC_REG_CDETCTRL1,
val << CDETCTRL1_CHGDETEN_SHIFT, CDETCTRL1_CHGDETEN_MASK);
val = 0;
max77828_read_reg(client, MAX77828_MUIC_REG_CDETCTRL1, &val);
dev_info(info->dev, "%s: CDETCTRL(0x%02x)\n", __func__, val);
return count;
}
static void max77828_muic_start_check_hv(struct max77828_muic_info *info)
{
int ret;
u8 val;
if (!info->muic) {
dev_err(info->dev, "%s: no muic i2c client\n", __func__);
return;
}
#if defined(CONFIG_MACH_KLTE_JPN)
/* Clear INT3 */
max77828_read_reg(info->muic, MAX77828_MUIC_REG_INT3, &val);
#endif
ret = max77828_read_reg(info->muic, MAX77828_MUIC_REG_HVCTRL1, &val);
dev_info(info->dev, "%s: Read HVCTRL1 (0x%02x)\n", __func__, val);
if (ret) {
dev_err(info->dev, "%s: fail to read muic reg\n", __func__);
}
#if defined(CONFIG_MACH_KLTE_JPN)
/* set HVCONTROL1=0x11 */
val |= (HVCTRL1_DPVD_D06 | HVCTRL1_DPDNVDEN_MASK);
dev_info(info->dev, "%s: Write HVCTRL1 (0x%02x)\n", __func__, val);
ret = max77828_write_reg(info->muic, MAX77828_MUIC_REG_HVCTRL1, val);
if (ret < 0)
dev_err(info->dev, "%s: fail to update reg\n", __func__);
//Test to read back the written value
#if TEST
ret = max77828_read_reg(info->muic, MAX77828_MUIC_REG_HVCTRL1, &val);
dev_info(info->dev, "%s: result HVCTRL1 (0x%02x)\n", __func__, val);
if (ret) {
dev_err(info->dev, "%s: fail to read muic reg\n", __func__);
}
#endif
/* Delete it because we use polling method to check INT3 */
/* set INTMASK3 = 0x02 */
ret = max77828_write_reg(info->muic, MAX77828_MUIC_REG_INT3, 0x3);
if (ret < 0)
dev_err(info->dev, "%s: fail to update reg\n", __func__);
#else
val |= (0x10 << HVCTRL1_DPVD_SHIFT);
dev_info(info->dev, "%s: SET HVCTRL1 (0x%02x)\n", __func__, val);
ret = max77828_update_reg(info->muic, MAX77828_MUIC_REG_HVCTRL1, val,
HVCTRL1_DPVD_MASK);
dev_info(info->dev, "%s: result HVCTRL1 (0x%02x)\n", __func__, val);
if (ret < 0)
dev_err(info->dev, "%s: fail to update reg\n", __func__);
#endif
info->timer.expires = jiffies + 15 * HZ / 10;
add_timer(&info->timer);
}
static void max77828_check_hv(unsigned long arg)
{
u8 value;
int ret;
/* Clear INT3 Register */
ret = max77828_read_reg(gInfo->muic, MAX77828_MUIC_REG_INT3, &value);
if(IS_ERR_VALUE(ret))
{
dev_err(gInfo->dev, "%s:cannot read INT3:%d\n", __func__, ret);
return;
}
/* Check VDNMon Interrupt is checked or not */
if(!value & 0x01)
return;
ret = max77828_read_reg(gInfo->muic, MAX77828_MUIC_REG_STATUS3, &value);
if(IS_ERR_VALUE(ret))
{
dev_err(gInfo->dev, "%s:cannot read STATUS3%d\n", __func__, ret);
return;
}
dev_info(gInfo->dev, "%s: Get MAX77828_MUIC_REG_STATUS3 (0x%02x)\n", __func__, value);
/* Check VDNMon Value is checked or not*/
if (value & 0x10)
return;
dev_info(gInfo->dev, "%s:HV charger is detected.\n", __func__);
/* Set values about HV Charging
* HVCTRL1 = 0x00
* HVCTRL2 = 0x06
*/
max77828_write_reg(gInfo->max77828->muic, MAX77828_MUIC_REG_STATUS2, 0x06);
max77828_write_reg(gInfo->max77828->muic, MAX77828_MUIC_REG_STATUS1, 0x00);
/* Disable INT3 */
ret = max77828_write_reg(gInfo->muic, MAX77828_MUIC_REG_INT3, 0x0);
if (ret < 0)
dev_err(gInfo->dev, "%s: fail to update reg\n", __func__);
/* Set TX Data */
// value = gInfo->tx_data;
/* TX Data = 0x45 */
value = 0x45;
max77828_write_reg(gInfo->max77828->muic, MAX77828_MUIC_REG_HVTXBYTE, value);
/* Set HVCTRL2 = 0x1B*/
// max77828_write_reg(gInfo->max77828->muic, MAX77828_MUIC_REG_HVCTRL2, 0x1B);
/* disable DNResN + enable HVDigEn + Mping + MTxEn + MPngEnb */
max77828_write_reg(gInfo->max77828->muic, MAX77828_MUIC_REG_HVCTRL2, 0x5B);
}
static int max77828_muic_check_vdnmon_status(struct max77828_muic_info *info)
{
int ret;
u8 val;
dev_info(info->dev, "func:%s\n", __func__);
if (!info->muic) {
dev_err(info->dev, "%s: no muic i2c client\n", __func__);
return -ENODEV;
}
ret = max77828_read_reg(info->muic, MAX77828_MUIC_REG_STATUS3, &val);
if (ret) {
dev_err(info->dev, "%s: fail to read muic reg\n", __func__);
}
dev_info(info->dev, "Value read from REG func:%s val:%x\n", __func__, val);
val &= STATUS3_VDNMON_MASK;
val = val >> STATUS3_VDNMON_SHIFT;
dev_info(info->dev, "func:%s val:%x\n", __func__, val);
return val;
}
static void max77828_muic_set_dpdnvden(struct max77828_muic_info *info,
int value)
{
int ret;
u8 val;
if (!info->muic) {
dev_err(info->dev, "%s: no muic i2c client\n", __func__);
return;
}
val = value << HVCTRL1_DPDNVDEN_SHIFT;
dev_info(info->dev, "%s: DPDNVdEN(0x%02x)\n", __func__, val);
ret = max77828_update_reg(info->muic, MAX77828_MUIC_REG_HVCTRL1, val,
HVCTRL1_DPDNVDEN_MASK);
if (ret < 0)
dev_err(info->dev, "%s: fail to update reg\n", __func__);
}
static void max77828_muic_set_adcdbset(struct max77828_muic_info *info,
int value)
{
int ret;
u8 val;
dev_info(info->dev, "func:%s value:%x\n", __func__, value);
if (value > 3) {
dev_err(info->dev, "%s: invalid value(%x)\n", __func__, value);
return;
}
if (!info->muic) {
dev_err(info->dev, "%s: no muic i2c client\n", __func__);
return;
}
val = value << CTRL4_ADCDBSET_SHIFT;
dev_info(info->dev, "%s: ADCDBSET(0x%02x)\n", __func__, val);
ret = max77828_update_reg(info->muic, MAX77828_MUIC_REG_CTRL4, val,
CTRL4_ADCDBSET_MASK);
if (ret < 0)
dev_err(info->dev, "%s: fail to update reg\n", __func__);
}
static ssize_t max77828_muic_show_adc_debounce_time(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct max77828_muic_info *info = dev_get_drvdata(dev);
int ret;
u8 val;
dev_info(info->dev, "func:%s buf:%s\n", __func__, buf);
if (!info->muic)
return sprintf(buf, "No I2C client\n");
ret = max77828_read_reg(info->muic, MAX77828_MUIC_REG_CTRL3, &val);
if (ret) {
dev_err(info->dev, "%s: fail to read muic reg\n", __func__);
return sprintf(buf, "UNKNOWN\n");
}
val &= CTRL4_ADCDBSET_MASK;
val = val >> CTRL4_ADCDBSET_SHIFT;
dev_info(info->dev, "func:%s val:%x\n", __func__, val);
return sprintf(buf, "%x\n", val);
}
static ssize_t max77828_muic_set_adc_debounce_time(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct max77828_muic_info *info = dev_get_drvdata(dev);
int value;
sscanf(buf, "%d", &value);
value = (value & 0x3);
dev_info(info->dev, "%s: Do nothing\n", __func__);
return count;
}
static ssize_t max77828_muic_set_uart_sel(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct max77828_muic_info *info = dev_get_drvdata(dev);
dev_info(info->dev, "%s, buf : %s\n",__func__,buf);
if (!strncasecmp(buf, "AP", 2)) {
int ret = max77828_muic_set_uart_path_pass2
(info, UART_PATH_AP);
if (ret >= 0){
info->muic_data->uart_path = UART_PATH_AP;
dev_info(info->dev, "UART PATH(CP:0, AP:1):%d\n",
info->muic_data->uart_path);
}else
dev_err(info->dev, "%s: Change(AP) fail!!", __func__);
#if defined(CONFIG_SWITCH_DUAL_MODEM)
} else if (!strncasecmp(buf, "CP2", 2)) {
#else
} else if (!strncasecmp(buf, "CP", 2)) {
#endif
int ret = max77828_muic_set_uart_path_pass2
(info, UART_PATH_CP);
if (ret >= 0){
info->muic_data->uart_path = UART_PATH_CP;
dev_info(info->dev, "UART PATH(CP:0, AP:1):%d\n",
info->muic_data->uart_path);
}else
dev_err(info->dev, "%s: Change(CP) fail!!", __func__);
} else {
dev_warn(info->dev, "%s: Wrong command\n", __func__);
}
return count;
}
static ssize_t max77828_muic_show_uart_sel(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct max77828_muic_info *info = dev_get_drvdata(dev);
dev_info(info->dev, "func:%s cp(0),ap(1)sw_path:%d\n",
__func__, info->muic_data->uart_path);/*For debuging*/
switch (info->muic_data->uart_path) {
case UART_PATH_AP:
return sprintf(buf, "AP\n");
break;
case UART_PATH_CP:
#if defined(CONFIG_SWITCH_DUAL_MODEM)
return sprintf(buf, "CP2\n");
#else
return sprintf(buf, "CP\n");
#endif
break;
default:
break;
}
return sprintf(buf, "UNKNOWN\n");
}
static ssize_t max77828_muic_show_charger_type(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct max77828_muic_info *info = dev_get_drvdata(dev);
u8 adc, status;
int ret;
ret = max77828_read_reg(info->muic, MAX77828_MUIC_REG_STATUS1, &status);
adc = status & STATUS1_ADC_MASK;
/* SYSFS Node : chg_type
* SYSFS State
* 0 : Dedicated Charger
* 1 : Non-Dedicated Charger
* 2 : Cigar Jack
*/
switch (adc){
#if defined(CONFIG_MUIC_DET_JACK)
case ADC_MHL_OR_SENDEND:
#else
case ADC_MHL:
#endif
case ADC_VZW_USB_DOCK:
case ADC_SMARTDOCK:
case ADC_AUDIODOCK:
case ADC_DESKDOCK:
case ADC_CARDOCK:
case ADC_OPEN:
dev_info(info->dev, "%s: Dedicated Charger State\n", __func__);
return snprintf(buf, 4, "%d\n", 0);
break;
case ADC_CEA936ATYPE1_CHG:
case ADC_INCOMPATIBLE1_CHG:
dev_info(info->dev, "%s: Undedicated Charger State\n", __func__);
return snprintf(buf, 4, "%d\n", 1);
break;
case ADC_CEA936ATYPE2_CHG:
dev_info(info->dev, "%s: Dedicated Charger State\n", __func__);
return snprintf(buf, 4, "%d\n", 2);
break;
default:
dev_info(info->dev, "%s: Undeclared State\n", __func__);
break;
}
return snprintf(buf, 9, "%s\n", "UNKNOWN");
}
#if !defined(CONFIG_MUIC_MAX77828_SUPPORT_CAR_DOCK)
static ssize_t max77828_muic_show_apo_factory(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct max77828_muic_info *info = dev_get_drvdata(dev);
const char *mode;
/* true: Factory mode, false: not Factory mode */
if (info->is_factory_start)
mode = "FACTORY_MODE";
else
mode = "NOT_FACTORY_MODE";
pr_info("%s:%s apo factory=%s\n", DEV_NAME, __func__, mode);
return sprintf(buf, "%s\n", mode);
}
static ssize_t max77828_muic_set_apo_factory(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct max77828_muic_info *info = dev_get_drvdata(dev);
const char *mode;
pr_info("%s:%s buf:%s\n", DEV_NAME, __func__, buf);
/* "FACTORY_START": factory mode */
if (!strncmp(buf, "FACTORY_START", 13)) {
info->is_factory_start = true;
mode = "FACTORY_MODE";
} else {
pr_warn("%s:%s Wrong command\n", DEV_NAME, __func__);
return count;
}
pr_info("%s:%s apo factory=%s\n", DEV_NAME, __func__, mode);
return count;
}
#endif /* !CONFIG_MUIC_MAX77828_SUPPORT_CAR_DOCK */
#if defined(CONFIG_MUIC_DET_JACK)
static ssize_t key_state_onoff_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct max77828_muic_info *info = dev_get_drvdata(dev);
int value = 0;
if (info->earkeypressed && info->keycode == KEY_MEDIA)
value = 1;
return snprintf(buf, 4, "%d\n", value);
}
static ssize_t earjack_state_onoff_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct max77828_muic_info *info = dev_get_drvdata(dev);
int value = 0;
if (info->eardetacted == true)
value = 1;
return snprintf(buf, 4, "%d\n", value);
}
#endif
#if !defined(CONFIG_MUIC_MAX77828_SUPPORT_CAR_DOCK)
static DEVICE_ATTR(apo_factory, 0664,
max77828_muic_show_apo_factory,
max77828_muic_set_apo_factory);
#endif /* !CONFIG_MUIC_MAX77828_SUPPORT_CAR_DOCK */
static DEVICE_ATTR(chg_type, 0664, max77828_muic_show_charger_type, NULL);
static DEVICE_ATTR(uart_sel, 0664, max77828_muic_show_uart_sel,
max77828_muic_set_uart_sel);
static DEVICE_ATTR(usb_state, S_IRUGO, max77828_muic_show_usb_state, NULL);
static DEVICE_ATTR(device, S_IRUGO, max77828_muic_show_device, NULL);
static DEVICE_ATTR(usb_sel, 0664,
max77828_muic_show_manualsw, max77828_muic_set_manualsw);
static DEVICE_ATTR(adc, S_IRUGO, max77828_muic_show_adc, NULL);
static DEVICE_ATTR(audio_path, 0664,
max77828_muic_show_audio_path, max77828_muic_set_audio_path);
static DEVICE_ATTR(otg_test, 0664,
max77828_muic_show_otg_test, max77828_muic_set_otg_test);
static DEVICE_ATTR(adc_debounce_time, 0664,
max77828_muic_show_adc_debounce_time,
max77828_muic_set_adc_debounce_time);
#if defined(CONFIG_MUIC_DET_JACK)
static DEVICE_ATTR(key_state, 0664,
key_state_onoff_show, NULL);
static DEVICE_ATTR(state, 0664,
earjack_state_onoff_show, NULL);
#endif
static struct attribute *max77828_muic_attributes[] = {
&dev_attr_uart_sel.attr,
&dev_attr_usb_state.attr,
&dev_attr_device.attr,
&dev_attr_usb_sel.attr,
&dev_attr_adc.attr,
&dev_attr_audio_path.attr,
&dev_attr_otg_test.attr,
&dev_attr_adc_debounce_time.attr,
&dev_attr_chg_type.attr,
#if !defined(CONFIG_MUIC_MAX77828_SUPPORT_CAR_DOCK)
&dev_attr_apo_factory.attr,
#endif /* !CONFIG_MUIC_MAX77828_SUPPORT_CAR_DOCK */
NULL
};
static void max77828_muic_uart_uevent(int state)
{
#if !defined(CONFIG_MACH_MONTBLANC) && !defined(CONFIG_MACH_VIKALCU)
if (switch_uart3.dev != NULL) {
switch_set_state(&switch_uart3, state);
dev_info(gInfo->dev, "%s: state:%d\n", __func__, state);
}
#endif
}
static const struct attribute_group max77828_muic_group = {
.attrs = max77828_muic_attributes,
};
static int max77828_muic_set_usb_path(struct max77828_muic_info *info, int path)
{
struct i2c_client *client = info->muic;
struct max77828_muic_data *mdata = info->muic_data;
int ret;
int gpio_val;
u8 cntl1_val, cntl1_msk;
int val;
dev_info(info->dev, "func:%s path:%d, cable_type:%d\n", __func__, path, info->cable_type);
if (mdata->set_safeout) {
ret = mdata->set_safeout(path);
if (ret) {
dev_err(info->dev, "%s: fail to set safout!\n",
__func__);
return ret;
}
}
switch (path) {
case AP_USB_MODE:
dev_info(info->dev, "%s: AP_USB_MODE\n", __func__);
gpio_val = 0;
val = MAX77828_MUIC_CTRL1_BIN_1_001;
cntl1_val = (val << CTRL1_COMN1SW_SHIFT) | (val << CTRL1_COMP2SW_SHIFT);
cntl1_msk = CTRL1_COMN1SW_MASK | CTRL1_COMP2SW_MASK;
break;
case AUDIO_MODE:
dev_info(info->dev, "%s: AUDIO_MODE\n", __func__);
gpio_val = 0;
/* SL1, SR2 */
cntl1_val = (MAX77828_MUIC_CTRL1_BIN_2_010 << CTRL1_COMN1SW_SHIFT)
| (MAX77828_MUIC_CTRL1_BIN_2_010 << CTRL1_COMP2SW_SHIFT);
cntl1_msk = CTRL1_COMN1SW_MASK | CTRL1_COMP2SW_MASK;
break;
case CP_USB_MODE:
dev_info(info->dev, "%s: CP_USB_MODE\n", __func__);
gpio_val = 1;
val = MAX77828_MUIC_CTRL1_BIN_4_100;
cntl1_val = (val << CTRL1_COMN1SW_SHIFT) | (val << CTRL1_COMP2SW_SHIFT);
cntl1_msk = CTRL1_COMN1SW_MASK | CTRL1_COMP2SW_MASK;
break;
case OPEN_USB_MODE:
dev_info(info->dev, "%s: OPEN_USB_MODE\n", __func__);
gpio_val = 0;
val = MAX77828_MUIC_CTRL1_BIN_0_000;
cntl1_val = (val << CTRL1_COMN1SW_SHIFT) | (val << CTRL1_COMP2SW_SHIFT);
cntl1_msk = CTRL1_COMN1SW_MASK | CTRL1_COMP2SW_MASK;
break;
default:
dev_warn(info->dev, "%s: invalid path(%d)\n", __func__, path);
return -EINVAL;
}
if (info->max77828->pmic_rev < MAX77828_REV_PASS2) {
if (gpio_is_valid(info->muic_data->gpio_usb_sel))
gpio_direction_output(mdata->gpio_usb_sel, gpio_val);
}
dev_info(info->dev, "%s: Set manual path\n", __func__);
if (info->cable_type != CABLE_TYPE_CARDOCK_MUIC)
max77828_update_reg(client, MAX77828_MUIC_REG_CTRL1, cntl1_val,
cntl1_msk);
max77828_update_reg(client, MAX77828_MUIC_REG_CTRL2,
CTRL2_CPEn1_LOWPWD0,
CTRL2_CPEn_MASK | CTRL2_LOWPWD_MASK);
cntl1_val = MAX77828_MUIC_CTRL1_BIN_0_000;
max77828_read_reg(client, MAX77828_MUIC_REG_CTRL1, &cntl1_val);
dev_info(info->dev, "%s: CNTL1(0x%02x)\n", __func__, cntl1_val);
cntl1_val = MAX77828_MUIC_CTRL1_BIN_0_000;
max77828_read_reg(client, MAX77828_MUIC_REG_CTRL2, &cntl1_val);
dev_info(info->dev, "%s: CNTL2(0x%02x)\n", __func__, cntl1_val);
sysfs_notify(&switch_dev->kobj, NULL, "usb_sel");
return 0;
}
int max77828_muic_get_charging_type(void)
{
if (gInfo)
return gInfo->cable_type;
else
return CABLE_TYPE_NONE_MUIC;
}
#if defined(CONFIG_SEC_H_PROJECT) || defined (CONFIG_SEC_K_PROJECT)
void max77828_muic_send_event(int val)
{
char *envp[2];
if (val == 0)
envp[0] = "USB_CONNECTION=READY";
else
envp[0] = "USB_CONNECTION=DISCONNECTED";
envp[1] = NULL;
dev_info(gInfo->dev, "%s\n", __func__);
kobject_uevent_env(&gInfo->dev->kobj, KOBJ_CHANGE, envp);
}
#endif
extern int system_rev;
static int max77828_muic_set_charging_type(struct max77828_muic_info *info,
bool force_disable)
{
struct max77828_muic_data *mdata = info->muic_data;
int ret = 0;
#if defined(CONFIG_MACH_HLTEVZW) || defined(CONFIG_MACH_HLTESPR) || defined(CONFIG_MACH_HLTEUSC)
u8 val;
#endif
dev_info(info->dev, "func:%s force_disable:%d\n",
__func__, force_disable);
if (mdata->charger_cb) {
if (force_disable) {
#if defined(CONFIG_MACH_HLTEVZW) || defined(CONFIG_MACH_HLTESPR) || defined(CONFIG_MACH_HLTEUSC)
if (system_rev == 6) {
val = (0 << CTRL3_JIGSET_SHIFT);
max77828_update_reg(info->muic, MAX77828_MUIC_REG_CTRL3, val,
CTRL3_JIGSET_MASK);
}
#endif
ret = mdata->charger_cb(CABLE_TYPE_NONE_MUIC);
} else {
#if defined(CONFIG_MACH_HLTEVZW) || defined(CONFIG_MACH_HLTESPR) || defined(CONFIG_MACH_HLTEUSC)
if (system_rev == 6) {
val = (1 << CTRL3_JIGSET_SHIFT);
max77828_update_reg(info->muic, MAX77828_MUIC_REG_CTRL3, val,
CTRL3_JIGSET_MASK);
}
#endif
ret = mdata->charger_cb(info->cable_type);
}
}
if (ret) {
#if defined(CONFIG_MACH_HLTEVZW) || defined(CONFIG_MACH_HLTESPR) || defined(CONFIG_MACH_HLTEUSC)
if (system_rev == 6) {
val = (0 << CTRL3_JIGSET_SHIFT);
max77828_update_reg(info->muic, MAX77828_MUIC_REG_CTRL3, val,
CTRL3_JIGSET_MASK);
}
#endif
dev_err(info->dev, "%s: error from charger_cb(%d)\n", __func__,
ret);
return ret;
}
return 0;
}
static int max77828_muic_handle_dock_vol_key(struct max77828_muic_info *info,
u8 status1)
{
struct input_dev *input = info->input;
int pre_key = info->previous_key;
unsigned int code;
int state;
u8 adc;
adc = status1 & STATUS1_ADC_MASK;
dev_info(info->dev,
"func:%s status1:%x adc:%x cable_type:%d\n",
__func__, status1, adc, info->cable_type);
if (info->cable_type != CABLE_TYPE_DESKDOCK_MUIC)
return 0;
if (adc == ADC_OPEN) {
switch (pre_key) {
case DOCK_KEY_VOL_UP_PRESSED:
code = KEY_VOLUMEUP;
state = 0;
info->previous_key = DOCK_KEY_VOL_UP_RELEASED;
break;
case DOCK_KEY_VOL_DOWN_PRESSED:
code = KEY_VOLUMEDOWN;
state = 0;
info->previous_key = DOCK_KEY_VOL_DOWN_RELEASED;
break;
case DOCK_KEY_PREV_PRESSED:
code = KEY_PREVIOUSSONG;
state = 0;
info->previous_key = DOCK_KEY_PREV_RELEASED;
break;
case DOCK_KEY_PLAY_PAUSE_PRESSED:
code = KEY_PLAYPAUSE;
state = 0;
info->previous_key = DOCK_KEY_PLAY_PAUSE_RELEASED;
break;
case DOCK_KEY_NEXT_PRESSED:
code = KEY_NEXTSONG;
state = 0;
info->previous_key = DOCK_KEY_NEXT_RELEASED;
break;
default:
return 0;
}
input_event(input, EV_KEY, code, state);
input_sync(input);
return 0;
}
if (pre_key == DOCK_KEY_NONE) {
/*
if (adc != ADC_DOCK_VOL_UP && adc != ADC_DOCK_VOL_DN && \
adc != ADC_DOCK_PREV_KEY && adc != ADC_DOCK_PLAY_PAUSE_KEY \
&& adc != ADC_DOCK_NEXT_KEY)
*/
if ((adc < 0x03) || (adc > 0x0d))
return 0;
}
dev_info(info->dev, "%s: dock vol key(%d)\n", __func__, pre_key);
switch (adc) {
case ADC_DOCK_VOL_UP:
code = KEY_VOLUMEUP;
state = 1;
info->previous_key = DOCK_KEY_VOL_UP_PRESSED;
break;
case ADC_DOCK_VOL_DN:
code = KEY_VOLUMEDOWN;
state = 1;
info->previous_key = DOCK_KEY_VOL_DOWN_PRESSED;
break;
case ADC_DOCK_PREV_KEY-1 ... ADC_DOCK_PREV_KEY+1:
code = KEY_PREVIOUSSONG;
state = 1;
info->previous_key = DOCK_KEY_PREV_PRESSED;
break;
case ADC_DOCK_PLAY_PAUSE_KEY-1 ... ADC_DOCK_PLAY_PAUSE_KEY+1:
code = KEY_PLAYPAUSE;
state = 1;
info->previous_key = DOCK_KEY_PLAY_PAUSE_PRESSED;
break;
case ADC_DOCK_NEXT_KEY-1 ... ADC_DOCK_NEXT_KEY+1:
code = KEY_NEXTSONG;
state = 1;
info->previous_key = DOCK_KEY_NEXT_PRESSED;
break;
case ADC_DESKDOCK: /* key release routine */
if (pre_key == DOCK_KEY_VOL_UP_PRESSED) {
code = KEY_VOLUMEUP;
state = 0;
info->previous_key = DOCK_KEY_VOL_UP_RELEASED;
} else if (pre_key == DOCK_KEY_VOL_DOWN_PRESSED) {
code = KEY_VOLUMEDOWN;
state = 0;
info->previous_key = DOCK_KEY_VOL_DOWN_RELEASED;
} else if (pre_key == DOCK_KEY_PREV_PRESSED) {
code = KEY_PREVIOUSSONG;
state = 0;
info->previous_key = DOCK_KEY_PREV_RELEASED;
} else if (pre_key == DOCK_KEY_PLAY_PAUSE_PRESSED) {
code = KEY_PLAYPAUSE;
state = 0;
info->previous_key = DOCK_KEY_PLAY_PAUSE_RELEASED;
} else if (pre_key == DOCK_KEY_NEXT_PRESSED) {
code = KEY_NEXTSONG;
state = 0;
info->previous_key = DOCK_KEY_NEXT_RELEASED;
} else {
dev_warn(info->dev, "%s:%d should not reach here\n",
__func__, __LINE__);
return 0;
}
break;
default:
dev_warn(info->dev, "%s: unsupported ADC(0x%02x)\n", __func__,
adc);
return 0;
}
input_event(input, EV_KEY, code, state);
input_sync(input);
return 1;
}
static int max77828_muic_attach_usb_type(struct max77828_muic_info *info,
int adc)
{
struct max77828_muic_data *mdata = info->muic_data;
int ret, path;
dev_info(info->dev, "func:%s adc:%x cable_type:%d\n",
__func__, adc, info->cable_type);
if (info->cable_type == CABLE_TYPE_MHL_MUIC
|| info->cable_type == CABLE_TYPE_MHL_VB_MUIC) {
dev_warn(info->dev, "%s: mHL was attached!\n", __func__);
return 0;
}
switch (adc) {
case ADC_JIG_USB_OFF:
if (info->cable_type == CABLE_TYPE_JIG_USB_OFF_MUIC) {
dev_info(info->dev, "%s: duplicated(JIG USB OFF)\n",
__func__);
return 0;
}
dev_info(info->dev, "%s:JIG USB BOOTOFF\n", __func__);
info->cable_type = CABLE_TYPE_JIG_USB_OFF_MUIC;
path = AP_USB_MODE;
break;
case ADC_JIG_USB_ON:
if (info->cable_type == CABLE_TYPE_JIG_USB_ON_MUIC) {
dev_info(info->dev, "%s: duplicated(JIG USB ON)\n",
__func__);
return 0;
}
dev_info(info->dev, "%s:JIG USB BOOTON\n", __func__);
info->cable_type = CABLE_TYPE_JIG_USB_ON_MUIC;
path = AP_USB_MODE;
break;
case ADC_OPEN:
if (info->cable_type == CABLE_TYPE_USB_MUIC) {
dev_info(info->dev, "%s: duplicated(USB)\n", __func__);
return 0;
}
dev_info(info->dev, "%s:USB\n", __func__);
if (info->cable_type == CABLE_TYPE_CDP_MUIC)
info->cable_type = CABLE_TYPE_CDP_MUIC;
else
info->cable_type = CABLE_TYPE_USB_MUIC;
#if defined(CONFIG_SWITCH_DUAL_MODEM)
if (info->muic_data->sw_path == CP_USB_MODE)
path = CP_USB_MODE;
else
path = AP_USB_MODE;
dev_info(info->dev, "%s: usb path: %x\n", __func__, mdata->uart_path);
#else
path = AP_USB_MODE;
#endif
break;
default:
dev_info(info->dev, "%s: Unkown cable(0x%x)\n", __func__, adc);
return 0;
}
ret = max77828_muic_set_charging_type(info, false);
if (ret) {
info->cable_type = CABLE_TYPE_NONE_MUIC;
return ret;
}
max77828_muic_set_usb_path(info, path);
if (path == AP_USB_MODE) {
if (mdata->usb_cb && info->is_usb_ready)
#ifdef CONFIG_USBHUB_USB3803
/* setting usb hub in Diagnostic(hub) mode */
usb3803_set_mode(USB_3803_MODE_HUB);
#endif /* CONFIG_USBHUB_USB3803 */
#if defined(CONFIG_SEC_H_PROJECT) || defined (CONFIG_SEC_K_PROJECT)
info->speaker_check_count = 0;
if (work_busy(&info->usb_connection_work.work)) {
cancel_delayed_work(&info->usb_connection_work);
pr_info("%s cancel_delayed_work \n",__func__);
}
max77828_muic_send_event (0); // USB Ready
schedule_delayed_work(&info->usb_connection_work, msecs_to_jiffies(1));
#else
mdata->usb_cb(USB_CABLE_ATTACHED);
#endif
}
return 0;
}
static int max77828_muic_attach_dock_type(struct max77828_muic_info *info,
int adc, int chgtyp)
{
struct max77828_muic_data *mdata = info->muic_data;
int path;
dev_info(info->dev, "func:%s adc:%x, open(%d)\n",
__func__, adc, info->is_adc_open_prev);
/*Workaround for unstable adc*/
if (info->is_adc_open_prev == false)
return 0;
switch (adc) {
case ADC_DESKDOCK:
/* Desk Dock */
if (info->cable_type == CABLE_TYPE_DESKDOCK_MUIC) {
dev_info(info->dev, "%s: duplicated(DeskDock)\n",
__func__);
return 0;
}
dev_info(info->dev, "%s:DeskDock\n", __func__);
info->cable_type = CABLE_TYPE_DESKDOCK_MUIC;
path = AUDIO_MODE;
if (mdata->dock_cb)
mdata->dock_cb(MAX77828_MUIC_DOCK_DESKDOCK);
break;
case ADC_CARDOCK:
/* Car Dock */
if (info->cable_type == CABLE_TYPE_CARDOCK_MUIC) {
dev_info(info->dev, "%s: duplicated(CarDock)\n",
__func__);
return 0;
}
dev_info(info->dev, "%s:CarDock\n", __func__);
info->cable_type = CABLE_TYPE_CARDOCK_MUIC;
path = AUDIO_MODE;
is_cardock = 1;
if (mdata->dock_cb)
mdata->dock_cb(MAX77828_MUIC_DOCK_CARDOCK);
break;
case ADC_AUDIODOCK:
/* Audio Dock */
if (info->cable_type == CABLE_TYPE_AUDIODOCK_MUIC) {
dev_info(info->dev, "%s: duplicated(AudioDock)\n",
__func__);
return 0;
}
dev_info(info->dev, "%s:AudioDock\n", __func__);
info->cable_type = CABLE_TYPE_AUDIODOCK_MUIC;
if (info->is_usb_ready) {
pr_info("%s:%s usb is ready, D+,D- line(AP_USB)\n",
DEV_NAME, __func__);
path = AP_USB_MODE;
} else {
pr_info("%s:%s usb not ready yet, D+,D- line(Open)\n",
DEV_NAME, __func__);
path = OPEN_USB_MODE;
}
msleep(40);
max77828_muic_set_charging_type(info, false);
if (mdata->usb_cb && info->is_usb_ready)
mdata->usb_cb(USB_POWERED_HOST_ATTACHED);
if (mdata->dock_cb)
mdata->dock_cb(MAX77828_MUIC_DOCK_AUDIODOCK);
break;
case ADC_HMT:
if (info->cable_type == CABLE_TYPE_HMT_MUIC
|| info->cable_type == CABLE_TYPE_HMT_TA_MUIC) {
dev_info(info->dev, "%s: duplicated(HMT)\n",
__func__);
return 0;
}
dev_info(info->dev, "%s:HMT\n", __func__);
if (info->is_usb_ready) {
pr_info("%s:%s usb is ready, D+,D- line(AP_USB)\n",
DEV_NAME, __func__);
path = AP_USB_MODE;
} else {
pr_info("%s:%s usb not ready yet, D+,D- line(Open)\n",
DEV_NAME, __func__);
path = OPEN_USB_MODE;
}
if (chgtyp == CHGTYP_DEDICATED_CHGR) {
info->cable_type = CABLE_TYPE_HMT_TA_MUIC;
} else {
info->cable_type = CABLE_TYPE_HMT_MUIC;
}
max77828_muic_set_charging_type(info, false);
msleep(40);
if (mdata->dock_cb)
mdata->dock_cb(MAX77828_MUIC_DOCK_HMT);
break;
case ADC_SMARTDOCK:
/* Smart Dock */
if (info->cable_type == CABLE_TYPE_SMARTDOCK_MUIC
|| info->cable_type == CABLE_TYPE_SMARTDOCK_TA_MUIC
|| info->cable_type == CABLE_TYPE_SMARTDOCK_USB_MUIC) {
dev_info(info->dev, "%s: duplicated(SmartDock)\n",
__func__);
return 0;
}
dev_info(info->dev, "%s:SmartDock\n", __func__);
if (chgtyp == CHGTYP_DEDICATED_CHGR) {
info->cable_type = CABLE_TYPE_SMARTDOCK_TA_MUIC;
} else if (chgtyp == CHGTYP_USB) {
info->cable_type = CABLE_TYPE_SMARTDOCK_USB_MUIC;
} else {
info->cable_type = CABLE_TYPE_SMARTDOCK_MUIC;
}
if (info->is_usb_ready) {
pr_info("%s:%s usb is ready, D+,D- line(AP_USB)\n",
DEV_NAME, __func__);
path = AP_USB_MODE;
} else {
pr_info("%s:%s usb not ready yet, D+,D- line(Open)\n",
DEV_NAME, __func__);
path = OPEN_USB_MODE;
}
max77828_muic_set_charging_type(info, false);
msleep(40);
if (mdata->mhl_cb && info->is_mhl_ready)
mdata->mhl_cb(MAX77828_MUIC_ATTACHED);
if (mdata->dock_cb)
mdata->dock_cb(MAX77828_MUIC_DOCK_SMARTDOCK);
break;
default:
dev_info(info->dev, "%s: should not reach here(0x%x)\n",
__func__, adc);
return 0;
}
max77828_muic_set_usb_path(info, path);
return 0;
}
static void max77828_muic_attach_mhl(struct max77828_muic_info *info, u8 chgtyp)
{
struct max77828_muic_data *mdata = info->muic_data;
dev_info(info->dev, "func:%s chgtyp:%x\n", __func__, chgtyp);
if (info->cable_type == CABLE_TYPE_USB_MUIC) {
if (mdata->usb_cb && info->is_usb_ready)
mdata->usb_cb(USB_CABLE_DETACHED);
max77828_muic_set_charging_type(info, true);
}
info->cable_type = CABLE_TYPE_MHL_MUIC;
if (mdata->mhl_cb && info->is_mhl_ready)
mdata->mhl_cb(MAX77828_MUIC_ATTACHED);
if (chgtyp == CHGTYP_USB) {
info->cable_type = CABLE_TYPE_MHL_VB_MUIC;
max77828_muic_set_charging_type(info, false);
}
}
#if defined(CONFIG_MUIC_DET_JACK)
static void max77828_muic_earjack_detect_workfunc(struct work_struct *work)
{
struct max77828_muic_info *info = container_of(work, struct max77828_muic_info, earjack_work);
#if defined(CONFIG_MACH_MONTBLANC) || defined(CONFIG_MACH_VIKALCU)
int ret;
static struct regulator *reg_l17;
#endif
dev_info(info->dev, "%s:EarJack Work eardetacted= %d\n", __func__, info->eardetacted);
#if defined(CONFIG_MACH_MONTBLANC) || defined(CONFIG_MACH_VIKALCU)
if (!reg_l17) {
reg_l17 = regulator_get(NULL, "8941_l17");
ret = regulator_set_voltage(reg_l17, 3000000, 3000000);
if (IS_ERR(reg_l17)) {
printk(KERN_ERR"could not get 8941_l17, rc = %ld\n", PTR_ERR(reg_l17));
return;
}
}
if(info->eardetacted) {
ret = regulator_enable(reg_l17);
if (ret) {
printk(KERN_ERR"enable l17 failed, rc=%d\n", ret);
return;
}
}
else {
if (regulator_is_enabled(reg_l17)) {
ret = regulator_disable(reg_l17);
if (ret) {
printk(KERN_ERR"disable l17 failed, rc=%d\n", ret);
return;
}
}
}
#endif
/* send event jack type to upper layer */
switch_set_state(&switch_earjack, info->eardetacted);
return;
}
static int max77828_muic_earjack_detect(struct max77828_muic_info *info, bool attached)
{
dev_info(info->dev, "%s:EarJack attached= %d\n", __func__,attached);
if (info->init_detect_done == NOT_INIT) {
return 0;
}
if (info->cable_type == CABLE_TYPE_EARJACK_MUIC) {
dev_info(info->dev, "%s: duplicated(EarJack)\n", __func__);
return 0;
}
if(attached) {
info->eardetacted = true;
}
else {
info->eardetacted = false;
}
#if defined(CONFIG_MACH_MONTBLANC) || defined(CONFIG_MACH_VIKALCU)
gEarDetected = info->eardetacted;
#endif
schedule_work(&info->earjack_work);
max77828_muic_set_audio_path_pass2(info, 0);
return 0;
}
static void max77828_muic_earjack_key_detect_workfunc(struct work_struct *work)
{
struct max77828_muic_info *info = container_of(work, struct max77828_muic_info, earjackkey_work);
dev_info(info->dev, "%s:EarJackKey Work earkeypressed= %d\n", __func__, info->earkeypressed);
/* send event sendend key type to upper layer */
switch_set_state(&switch_earjackkey, info->earkeypressed);
return;
}
static int max77828_muic_earjack_key_detect(struct max77828_muic_info *info, int adc)
{
unsigned int code;
dev_info(info->dev, "%s:EarJackKey\n", __func__);
if (info->earkeypressed) {
switch (adc) {
case ADC_MHL_OR_SENDEND:
code = KEY_MEDIA;
info->old_keycode = KEY_MEDIA;
break;
case ADC_DOCK_VOL_UP:
code = KEY_VOLUMEUP;
info->old_keycode = KEY_VOLUMEUP;
break;
case ADC_DOCK_VOL_DN:
code = KEY_VOLUMEDOWN;
info->old_keycode = KEY_VOLUMEDOWN;
break;
default:
dev_info(info->dev, "%s: should not reach here(0x%x)\n", __func__, adc);
return 0;
}
info->keycode = code;
}
else {
code = info->old_keycode;
}
/* send event sendend key type to upper layer */
input_event(info->input, EV_KEY, code, info->earkeypressed);
input_sync(info->input);
schedule_work(&info->earjackkey_work);
return 0;
}
#endif
static void max77828_muic_handle_jig_uart(struct max77828_muic_info *info,
u8 vbvolt)
{
struct max77828_muic_data *mdata = info->muic_data;
enum cable_type_muic prev_ct = info->cable_type;
bool is_otgtest = false;
u8 cntl1_val, cntl1_msk;
u8 val = MAX77828_MUIC_CTRL1_BIN_3_011;
dev_info(info->dev, "func:%s vbvolt:%x cable_type:%d\n",
__func__, vbvolt, info->cable_type);
dev_info(info->dev, "%s: JIG UART/BOOTOFF(0x%x)\n", __func__, vbvolt);
#if defined(CONFIG_SWITCH_DUAL_MODEM)
dev_info(info->dev, "%s: uart_path : %x\n", __func__, mdata->uart_path);
if (mdata->uart_path == UART_PATH_AP)
val = MAX77828_MUIC_CTRL1_BIN_3_011;
else if (mdata->uart_path == UART_PATH_CP)
val = MAX77828_MUIC_CTRL1_BIN_5_101;
else
val = MAX77828_MUIC_CTRL1_BIN_3_011;
#else
val = MAX77828_MUIC_CTRL1_BIN_3_011;
#endif
cntl1_val = (val << CTRL1_COMN1SW_SHIFT) | (val << CTRL1_COMP2SW_SHIFT);
cntl1_msk = CTRL1_COMN1SW_MASK | CTRL1_COMP2SW_MASK;
max77828_update_reg(info->muic, MAX77828_MUIC_REG_CTRL1, cntl1_val,
cntl1_msk);
max77828_update_reg(info->muic, MAX77828_MUIC_REG_CTRL2,
CTRL2_CPEn1_LOWPWD0,
CTRL2_CPEn_MASK | CTRL2_LOWPWD_MASK);
if (vbvolt & STATUS2_VBVOLT_MASK) {
if (mdata->host_notify_cb) {
int mode = mdata->host_notify_cb(1);
if (mode == NOTIFY_TEST_MODE ||
mode == NOTIFY_HOST_MODE) {
is_otgtest = true;
dev_info(info->dev, "%s: OTG TEST\n", __func__);
}
}
info->cable_type = CABLE_TYPE_JIG_UART_OFF_VB_MUIC;
max77828_muic_set_charging_type(info, is_otgtest);
} else {
info->cable_type = CABLE_TYPE_JIG_UART_OFF_MUIC;
if (prev_ct == CABLE_TYPE_JIG_UART_OFF_VB_MUIC) {
max77828_muic_set_charging_type(info, false);
if (mdata->host_notify_cb)
mdata->host_notify_cb(0);
}
}
}
void max77828_otg_control(struct max77828_muic_info *info, int enable)
{
#if 0
u8 int_mask, cdetctrl1, chg_cnfg_00;
pr_info("%s: enable(%d)\n", __func__, enable);
if (enable) {
/* disable charger interrupt */
max77828_read_reg(info->max77828->i2c,
MAX77828_CHG_REG_CHG_INT_MASK, &int_mask);
chg_int_state = int_mask;
int_mask |= (1 << 4); /* disable chgin intr */
int_mask |= (1 << 6); /* disable chg */
int_mask &= ~(1 << 0); /* enable byp intr */
max77828_write_reg(info->max77828->i2c,
MAX77828_CHG_REG_CHG_INT_MASK, int_mask);
/* disable charger detection */
max77828_read_reg(info->max77828->muic,
MAX77828_MUIC_REG_CDETCTRL1, &cdetctrl1);
cdetctrl1 &= ~(1 << 0);
max77828_write_reg(info->max77828->muic,
MAX77828_MUIC_REG_CDETCTRL1, cdetctrl1);
/* OTG on, boost on, DIS_MUIC_CTRL=1 */
max77828_read_reg(info->max77828->i2c,
MAX77828_CHG_REG_CHG_CNFG_00, &chg_cnfg_00);
chg_cnfg_00 &= ~(CHG_CNFG_00_OTG_MASK
| CHG_CNFG_00_BOOST_MASK
| CHG_CNFG_00_DIS_MUIC_CTRL_MASK);
chg_cnfg_00 |= (CHG_CNFG_00_OTG_MASK
| CHG_CNFG_00_BOOST_MASK
| CHG_CNFG_00_DIS_MUIC_CTRL_MASK);
max77828_write_reg(info->max77828->i2c,
MAX77828_CHG_REG_CHG_CNFG_00, chg_cnfg_00);
/* Update CHG_CNFG_11 to 0x50(5V) */
max77828_write_reg(info->max77828->i2c,
MAX77828_CHG_REG_CHG_CNFG_11, 0x50);
} else {
/* OTG off, boost off, (buck on),
DIS_MUIC_CTRL = 0 unless CHG_ENA = 1 */
max77828_read_reg(info->max77828->i2c,
MAX77828_CHG_REG_CHG_CNFG_00, &chg_cnfg_00);
chg_cnfg_00 &= ~(CHG_CNFG_00_OTG_MASK
| CHG_CNFG_00_BOOST_MASK
| CHG_CNFG_00_DIS_MUIC_CTRL_MASK);
chg_cnfg_00 |= CHG_CNFG_00_BUCK_MASK;
max77828_write_reg(info->max77828->i2c,
MAX77828_CHG_REG_CHG_CNFG_00, chg_cnfg_00);
/* Update CHG_CNFG_11 to 0x00(3V) */
max77828_write_reg(info->max77828->i2c,
MAX77828_CHG_REG_CHG_CNFG_11, 0x00);
mdelay(50);
#if defined(CONFIG_MACH_HLTEEUR) || defined(CONFIG_MACH_HLTEATT) \
|| defined(CONFIG_MACH_HLTETMO) || defined(CONFIG_MACH_HLTEVZW) \
|| defined(CONFIG_MACH_HLTESPR) || defined(CONFIG_MACH_HLTEUSC) \
|| defined(CONFIG_MACH_HLTESKT) || defined(CONFIG_MACH_HLTEKTT) \
|| defined(CONFIG_MACH_HLTELGT) || defined(CONFIG_MACH_FLTESKT) \
|| defined(CONFIG_MACH_FLTEKTT) || defined(CONFIG_MACH_FLTELGT) \
|| defined(CONFIG_MACH_H3GDUOS_CTC) || defined(CONFIG_MACH_LT03SKT) \
|| defined(CONFIG_MACH_LT03KTT) || defined(CONFIG_MACH_LT03LGT)
/* [MAX77804] Workaround to get rid of reading dummy(0x00) */
/* disable charger detection again */
max77828_read_reg(info->max77828->muic,
MAX77828_MUIC_REG_CDETCTRL1, &cdetctrl1);
cdetctrl1 &= ~(1 << 0);
max77828_write_reg(info->max77828->muic,
MAX77828_MUIC_REG_CDETCTRL1, cdetctrl1);
mdelay(10);
#endif
/* enable charger detection */
max77828_read_reg(info->max77828->muic,
MAX77828_MUIC_REG_CDETCTRL1, &cdetctrl1);
cdetctrl1 |= (1 << 0);
max77828_write_reg(info->max77828->muic,
MAX77828_MUIC_REG_CDETCTRL1, cdetctrl1);
/* enable charger interrupt */
max77828_write_reg(info->max77828->i2c,
MAX77828_CHG_REG_CHG_INT_MASK, chg_int_state);
max77828_read_reg(info->max77828->i2c,
MAX77828_CHG_REG_CHG_INT_MASK, &int_mask);
}
pr_info("%s: INT_MASK(0x%x), CDETCTRL1(0x%x), CHG_CNFG_00(0x%x)\n",
__func__, int_mask, cdetctrl1, chg_cnfg_00);
#endif
}
void max77828_powered_otg_control(struct max77828_muic_info *info, int enable)
{
#if 0
pr_info("%s: enable(%d)\n", __func__, enable);
if (enable) {
/* OTG on, boost on */
max77828_write_reg(info->max77828->i2c,
MAX77828_CHG_REG_CHG_CNFG_00, 0x05);
max77828_write_reg(info->max77828->i2c,
MAX77828_CHG_REG_CHG_CNFG_02, 0x0E);
/* Update CHG_CNFG_11 to 0x50(5V) */
max77828_write_reg(info->max77828->i2c,
MAX77828_CHG_REG_CHG_CNFG_11, 0x50);
} else {
/* OTG off, boost off, (buck on) */
max77828_write_reg(info->max77828->i2c,
MAX77828_CHG_REG_CHG_CNFG_00, 0x04);
/* Update CHG_CNFG_11 to 0x00(3V) */
max77828_write_reg(info->max77828->i2c,
MAX77828_CHG_REG_CHG_CNFG_11, 0x00);
}
#endif
}
/* use in mach for otg */
int muic_otg_control(int enable)
{
pr_debug("%s: enable(%d)\n", __func__, enable);
max77828_otg_control(gInfo, enable);
return 0;
}
/* use in mach for powered-otg */
void powered_otg_control(int enable)
{
pr_debug("%s: enable(%d)\n", __func__, enable);
max77828_powered_otg_control(gInfo, enable);
}
static void max77828_muic_set_cddelay(struct max77828_muic_info *info)
{
u8 cdetctrl1;
int ret;
ret = max77828_read_reg(info->max77828->muic,
MAX77828_MUIC_REG_CDETCTRL1, &cdetctrl1);
pr_info("%s:%s read CDETCTRL1=0x%x, ret=%d\n", DEV_NAME, __func__,
cdetctrl1, ret);
if ((cdetctrl1 & 0x10) == 0x10) {
pr_info("%s:%s CDDelay already setted, return\n", DEV_NAME,
__func__);
return;
}
cdetctrl1 |= 0x10;
ret = max77828_write_reg(info->max77828->muic,
MAX77828_MUIC_REG_CDETCTRL1, cdetctrl1);
pr_info("%s:%s write CDETCTRL1=0x%x, ret=%d\n", DEV_NAME,
__func__, cdetctrl1, ret);
}
static void max77828_muic_clear_cddelay(struct max77828_muic_info *info)
{
u8 cdetctrl1;
int ret;
ret = max77828_read_reg(info->max77828->muic,
MAX77828_MUIC_REG_CDETCTRL1, &cdetctrl1);
pr_info("%s:%s read CDETCTRL1=0x%x, ret=%d\n", DEV_NAME, __func__,
cdetctrl1, ret);
if ((cdetctrl1 & 0x10) == 0x0) {
pr_info("%s:%s CDDelay already cleared, return\n", DEV_NAME,
__func__);
return;
}
cdetctrl1 &= ~(0x10);
ret = max77828_write_reg(info->max77828->muic,
MAX77828_MUIC_REG_CDETCTRL1, cdetctrl1);
pr_info("%s:%s write CDETCTRL1=0x%x, ret=%d\n", DEV_NAME,
__func__, cdetctrl1, ret);
}
static void max77828_muic_detach_smart_dock(struct max77828_muic_info *info)
{
struct max77828_muic_data *mdata = info->muic_data;
enum cable_type_muic tmp_cable_type = info->cable_type;
pr_info("%s:%s\n", DEV_NAME, __func__);
if (info->cable_type != CABLE_TYPE_SMARTDOCK_MUIC &&
info->cable_type != CABLE_TYPE_SMARTDOCK_TA_MUIC &&
info->cable_type != CABLE_TYPE_SMARTDOCK_USB_MUIC) {
pr_info("%s:%s cable_type is not SMARTDOCK\n", DEV_NAME,
__func__);
return;
}
if (mdata->dock_cb)
mdata->dock_cb(MAX77828_MUIC_DOCK_DETACHED);
info->cable_type = CABLE_TYPE_NONE_MUIC;
max77828_muic_set_charging_type(info, false);
#ifdef CONFIG_EXTCON
if (info->edev && info->is_mhl_ready)
extcon_set_cable_state(info->edev, "MHL", false);
#else
if (mdata->mhl_cb && info->is_mhl_ready)
mdata->mhl_cb(MAX77828_MUIC_DETACHED);
#endif
switch (tmp_cable_type) {
case CABLE_TYPE_SMARTDOCK_TA_MUIC:
pr_info("%s:%s SMARTDOCK+TA\n", DEV_NAME, __func__);
if (mdata->usb_cb && info->is_usb_ready)
mdata->usb_cb(USB_POWERED_HOST_DETACHED);
break;
case CABLE_TYPE_SMARTDOCK_USB_MUIC:
pr_info("%s:%s SMARTDOCK+USB\n", DEV_NAME, __func__);
if (mdata->usb_cb && info->is_usb_ready)
mdata->usb_cb(USB_CABLE_DETACHED);
break;
case CABLE_TYPE_SMARTDOCK_MUIC:
/* clear CDDelay 500ms */
max77828_muic_clear_cddelay(info);
pr_info("%s:%s SMARTDOCK\n", DEV_NAME, __func__);
break;
default:
pr_warn("%s:%s should not reach here!\n", DEV_NAME,
__func__);
return;
break;
}
}
static void max77828_muic_attach_smart_dock(struct max77828_muic_info *info,
u8 adc, u8 vbvolt, u8 chgtyp)
{
struct max77828_muic_data *mdata = info->muic_data;
switch (info->cable_type) {
case CABLE_TYPE_SMARTDOCK_MUIC:
if (chgtyp == CHGTYP_DEDICATED_CHGR) {
/* clear CDDelay 500ms */
max77828_muic_clear_cddelay(info);
pr_info("%s:%s SMART_DOCK+TA=OTG Enable\n", DEV_NAME,
__func__);
if (mdata->usb_cb && info->is_usb_ready)
mdata->usb_cb(USB_POWERED_HOST_ATTACHED);
info->cable_type = CABLE_TYPE_SMARTDOCK_TA_MUIC;
} else if (chgtyp == CHGTYP_USB) {
/* clear CDDelay 500ms */
max77828_muic_clear_cddelay(info);
pr_info("%s:%s SMART_DOCK+USB=USB Enable\n", DEV_NAME,
__func__);
if (mdata->usb_cb && info->is_usb_ready)
mdata->usb_cb(USB_CABLE_ATTACHED);
info->cable_type = CABLE_TYPE_SMARTDOCK_USB_MUIC;
} else
pr_info("%s:%s SMART_DOCK + [%d] = ?\n", DEV_NAME,
__func__, chgtyp);
break;
case CABLE_TYPE_SMARTDOCK_TA_MUIC:
if (chgtyp == CHGTYP_DEDICATED_CHGR)
pr_info("%s:%s Duplicated(SMARTDOCK+TA)\n", DEV_NAME,
__func__);
else if (vbvolt)
pr_info("%s:%s SMART_DOCK + TA -> chgtyp:%x\n",
DEV_NAME, __func__, chgtyp);
else
max77828_muic_detach_smart_dock(info);
break;
case CABLE_TYPE_SMARTDOCK_USB_MUIC:
if (chgtyp == CHGTYP_USB)
pr_info("%s:%s Duplicated(SMARTDOCK+USB)\n", DEV_NAME,
__func__);
else if (vbvolt)
pr_info("%s:%s SMART_DOCK + USB -> chgtyp:%x\n",
DEV_NAME, __func__, chgtyp);
else
max77828_muic_detach_smart_dock(info);
break;
default:
if (vbvolt) {
pr_info("%s:%s SMART_DOCK+vbvolt=chgdetrun\n",
DEV_NAME, __func__);
if (chgtyp == 0) {
pr_info("%s:%s SMART_DOCK + [%d] = ?? end\n", DEV_NAME,
__func__, chgtyp);
return;
}
max77828_muic_attach_dock_type(info, adc, chgtyp);
if (chgtyp == CHGTYP_DEDICATED_CHGR) {
/* clear CDDelay 500ms */
max77828_muic_clear_cddelay(info);
pr_info("%s:%s SMART_DOCK+TA=OTG Enable\n", DEV_NAME,
__func__);
if (mdata->usb_cb && info->is_usb_ready)
mdata->usb_cb(USB_POWERED_HOST_ATTACHED);
} else if (chgtyp == CHGTYP_USB) {
/* clear CDDelay 500ms */
max77828_muic_clear_cddelay(info);
pr_info("%s:%s SMART_DOCK+USB=USB Enable\n", DEV_NAME,
__func__);
if (mdata->usb_cb && info->is_usb_ready)
mdata->usb_cb(USB_CABLE_ATTACHED);
}
} else {
/* set CDDelay 500ms */
max77828_muic_set_cddelay(info);
dev_warn(info->dev, "no vbus in SAMRTDOCK\n");
}
break;
}
}
static void max77828_muic_detach_hmt(struct max77828_muic_info *info)
{
struct max77828_muic_data *mdata = info->muic_data;
enum cable_type_muic tmp_cable_type = info->cable_type;
pr_info("%s:%s\n", DEV_NAME, __func__);
if (info->cable_type != CABLE_TYPE_HMT_MUIC &&
info->cable_type != CABLE_TYPE_HMT_TA_MUIC) {
pr_info("%s:%s cable_type is not HMT\n", DEV_NAME,
__func__);
return;
}
if (mdata->dock_cb)
mdata->dock_cb(MAX77828_MUIC_DOCK_DETACHED);
info->cable_type = CABLE_TYPE_NONE_MUIC;
max77828_muic_set_charging_type(info, false);
switch (tmp_cable_type) {
case CABLE_TYPE_HMT_TA_MUIC:
pr_info("%s:%s HMT+TA\n", DEV_NAME, __func__);
if (mdata->usb_cb && info->is_usb_ready)
mdata->usb_cb(USB_POWERED_HOST_DETACHED);
break;
case CABLE_TYPE_HMT_MUIC:
pr_info("%s:%s HMT\n", DEV_NAME, __func__);
if (mdata->usb_cb && info->is_usb_ready)
mdata->usb_cb(USB_OTGHOST_DETACHED);
break;
default:
pr_warn("%s:%s should not reach here!\n", DEV_NAME,
__func__);
if(mdata->usb_cb && info->is_usb_ready)
mdata->usb_cb(USB_OTGHOST_DETACHED);
break;
}
}
static void max77828_muic_attach_hmt(struct max77828_muic_info *info,
u8 adc, u8 vbvolt, u8 chgtyp)
{
struct max77828_muic_data *mdata = info->muic_data;
pr_info("%s:%s Attached HMT adc(0x%x), vbvolt(0x%x), chgtyp(0x%x)",
DEV_NAME, __func__, adc, vbvolt, chgtyp);
switch (info->cable_type) {
case CABLE_TYPE_HMT_MUIC:
if (chgtyp == CHGTYP_DEDICATED_CHGR) {
pr_info("%s:%s HMT+TA=OTG Enable\n", DEV_NAME,
__func__);
if (mdata->usb_cb && info->is_usb_ready)
mdata->usb_cb(USB_POWERED_HOST_ATTACHED);
info->cable_type = CABLE_TYPE_HMT_TA_MUIC;
} else {
pr_info("%s:%s HMT + [%d] = ?\n", DEV_NAME,
__func__, chgtyp);
}
break;
case CABLE_TYPE_HMT_TA_MUIC:
if (chgtyp == CHGTYP_DEDICATED_CHGR)
pr_info("%s:%s Duplicated(HMT+TA)\n", DEV_NAME,
__func__);
else if (vbvolt)
pr_info("%s:%s HMT + TA -> chgtyp:%x\n",
DEV_NAME, __func__, chgtyp);
else
max77828_muic_detach_hmt(info);
break;
default:
if (vbvolt) {
pr_info("%s:%s HMT+vbvolt=chgdetrun\n",
DEV_NAME, __func__);
if (chgtyp == 0) {
pr_info("%s:%s HMT + [%d] = ?? end\n", DEV_NAME,
__func__, chgtyp);
return;
}
info->cable_type = CABLE_TYPE_HMT_TA_MUIC;
max77828_muic_attach_dock_type(info, adc, chgtyp);
if (chgtyp == CHGTYP_DEDICATED_CHGR) {
pr_info("%s:%s HMT+TA=OTG Enable\n", DEV_NAME,
__func__);
if (mdata->usb_cb && info->is_usb_ready)
mdata->usb_cb(USB_POWERED_HOST_ATTACHED);
}
} else {
pr_info("%s:%s, No vbus in HMT\n", DEV_NAME, __func__);
max77828_muic_attach_dock_type(info, adc, chgtyp);
if(mdata->usb_cb && info->is_usb_ready)
mdata->usb_cb(USB_OTGHOST_ATTACHED);
}
break;
}
}
static int max77828_muic_handle_attach(struct max77828_muic_info *info,
u8 status1, u8 status2, int irq)
{
struct max77828_muic_data *mdata = info->muic_data;
u8 adc, vbvolt, chgtyp, chgdetrun, adc1k;
int ret = 0;
adc = status1 & STATUS1_ADC_MASK;
adc1k = status1 & STATUS1_ADC1K_MASK;
chgtyp = status2 & STATUS2_CHGTYP_MASK;
vbvolt = status2 & STATUS2_VBVOLT_MASK;
chgdetrun = status2 & STATUS2_CHGDETRUN_MASK;
dev_info(info->dev, "func:%s st1:%x st2:%x cable_type:%d\n",
__func__, status1, status2, info->cable_type);
switch (info->cable_type) {
case CABLE_TYPE_JIG_UART_OFF_MUIC:
case CABLE_TYPE_JIG_UART_OFF_VB_MUIC:
/* Workaround for Factory mode.
* Abandon adc interrupt of approximately +-100K range
* if previous cable status was JIG UART BOOT OFF.
*/
if (adc == (ADC_JIG_UART_OFF + 1) ||
adc == (ADC_JIG_UART_OFF - 1)) {
/* Workaround for factory mode in MUIC PASS2
* In uart path cp, adc is unstable state
* MUIC PASS2 turn to AP_UART mode automatically
* So, in this state set correct path manually.
* !! NEEDED ONLY IF PMIC PASS2 !!
*/
max77828_muic_handle_jig_uart(info, vbvolt);
#if !defined(CONFIG_MUIC_MAX77828_SUPPORT_CAR_DOCK)
if (info->is_factory_start &&
(adc == ADC_JIG_UART_ON)) {
pr_info("%s:%s factory start, keep attach\n",
DEV_NAME, __func__);
break;
}
#endif /* !CONFIG_MUIC_MAX77828_SUPPORT_CAR_DOCK */
dev_warn(info->dev, "%s: abandon ADC\n", __func__);
return 0;
}
if (adc != ADC_JIG_UART_OFF) {
dev_warn(info->dev, "%s: assume jig uart off detach\n",
__func__);
info->cable_type = CABLE_TYPE_NONE_MUIC;
}
break;
case CABLE_TYPE_DESKDOCK_MUIC:
if (adc != ADC_DESKDOCK) {
dev_warn(info->dev, "%s: assume deskdock detach\n", __func__);
info->cable_type = CABLE_TYPE_NONE_MUIC;
max77828_muic_set_charging_type(info, false);
info->is_adc_open_prev = false;
if (mdata->dock_cb)
mdata->dock_cb(MAX77828_MUIC_DOCK_DETACHED);
}
break;
case CABLE_TYPE_CARDOCK_MUIC:
if (adc != ADC_CARDOCK) {
dev_warn(info->dev, "%s: assume cardock detach\n", __func__);
info->cable_type = CABLE_TYPE_NONE_MUIC;
max77828_muic_set_charging_type(info, false);
info->is_adc_open_prev = false;
is_cardock = 0;
if (mdata->dock_cb)
mdata->dock_cb(MAX77828_MUIC_DOCK_DETACHED);
}
break;
#if !defined(CONFIG_MUIC_MAX77828_SUPPORT_CAR_DOCK)
case CABLE_TYPE_JIG_UART_ON_MUIC:
if ((adc != ADC_JIG_UART_ON) &&
info->is_factory_start) {
pr_warn("%s:%s assume jig uart on detach\n",
DEV_NAME, __func__);
info->cable_type = CABLE_TYPE_NONE_MUIC;
if (mdata->dock_cb)
mdata->dock_cb(MAX77828_MUIC_DOCK_DETACHED);
}
break;
#endif /* !CONFIG_MUIC_MAX77828_SUPPORT_CAR_DOCK */
case CABLE_TYPE_SMARTDOCK_MUIC:
case CABLE_TYPE_SMARTDOCK_TA_MUIC:
case CABLE_TYPE_SMARTDOCK_USB_MUIC:
if (adc != ADC_SMARTDOCK) {
dev_warn(info->dev, "%s: assume smartdock detach\n",
__func__);
max77828_muic_detach_smart_dock(info);
info->is_adc_open_prev = false;
}
break;
case CABLE_TYPE_HMT_MUIC:
case CABLE_TYPE_HMT_TA_MUIC:
if (adc != ADC_HMT) {
dev_warn(info->dev, "%s: assume hmt detach\n",
__func__);
max77828_muic_detach_hmt(info);
info->is_adc_open_prev = false;
}
break;
case CABLE_TYPE_AUDIODOCK_MUIC:
if ((adc != ADC_AUDIODOCK) || (!vbvolt)) {
dev_warn(info->dev, "%s: assume audiodock detach\n",
__func__);
dev_info(info->dev, "%s: AUDIODOCK\n", __func__);
info->cable_type = CABLE_TYPE_NONE_MUIC;
if (mdata->dock_cb)
mdata->dock_cb(MAX77828_MUIC_DOCK_DETACHED);
if (mdata->usb_cb && info->is_usb_ready)
mdata->usb_cb(USB_POWERED_HOST_DETACHED);
ret = max77828_muic_set_charging_type(info, false);
max77828_muic_set_charging_type(info, false);
}
break;
case CABLE_TYPE_MHL_MUIC:
case CABLE_TYPE_MHL_VB_MUIC:
if (!adc1k) {
dev_warn(info->dev, "%s: assume mhl detach\n", __func__);
dev_info(info->dev, "%s: MHL\n", __func__);
info->cable_type = CABLE_TYPE_NONE_MUIC;
max77828_muic_set_charging_type(info, false);
if (mdata->mhl_cb && info->is_mhl_ready)
mdata->mhl_cb(MAX77828_MUIC_DETACHED);
}
break;
default:
break;
}
/* 1Kohm ID regiter detection (mHL)
* New MUIC : ADC value is not set(Open), ADC1K:1, ADCError:1
*/
if (adc1k) {
if (irq == info->irq_adc
|| irq == info->irq_chgtype
|| irq == info->irq_vbvolt) {
dev_warn(info->dev,
"%s: Ignore irq:%d at MHL detection\n",
__func__, irq);
if (vbvolt) {
dev_info(info->dev, "%s: call charger_cb(%d)"
, __func__, vbvolt);
max77828_muic_set_charging_type(info, false);
} else {
dev_info(info->dev, "%s: call charger_cb(%d)"
, __func__, vbvolt);
max77828_muic_set_charging_type(info, true);
}
return 0;
}
max77828_muic_attach_mhl(info, chgtyp);
return 0;
}
switch (adc) {
case ADC_GND:
if (chgtyp == CHGTYP_NO_VOLTAGE) {
if (info->cable_type == CABLE_TYPE_OTG_MUIC) {
dev_info(info->dev,
"%s: duplicated(OTG)\n", __func__);
break;
}
info->cable_type = CABLE_TYPE_OTG_MUIC;
max77828_muic_set_usb_path(info, AP_USB_MODE);
msleep(40);
if (mdata->usb_cb && info->is_usb_ready)
mdata->usb_cb(USB_OTGHOST_ATTACHED);
} else if (chgtyp == CHGTYP_USB ||
chgtyp == CHGTYP_DOWNSTREAM_PORT ||
chgtyp == CHGTYP_DEDICATED_CHGR ||
chgtyp == CHGTYP_500MA || chgtyp == CHGTYP_1A) {
dev_info(info->dev, "%s: OTG charging pump\n",
__func__);
ret = max77828_muic_set_charging_type(info, !vbvolt);
}
break;
case ADC_SMARTDOCK:
max77828_muic_attach_smart_dock(info, adc, vbvolt, chgtyp);
break;
case ADC_HMT:
max77828_muic_attach_hmt(info, adc, vbvolt, chgtyp);
break;
case ADC_VZW_USB_DOCK:
case ADC_AUDIODOCK:
if(!!vbvolt)
max77828_muic_attach_dock_type(info, adc, chgtyp);
break;
case ADC_JIG_UART_OFF:
max77828_muic_handle_jig_uart(info, vbvolt);
mdata->jig_state(true);
max77828_muic_uart_uevent(true);
break;
case ADC_JIG_USB_OFF:
case ADC_JIG_USB_ON:
if (vbvolt & STATUS2_VBVOLT_MASK) {
dev_info(info->dev, "%s: SKIP_JIG_USB\n", __func__);
ret = max77828_muic_attach_usb_type(info, adc);
}
mdata->jig_state(true);
max77828_muic_uart_uevent(true);
break;
case ADC_DESKDOCK:
max77828_muic_attach_dock_type(info, adc, chgtyp);
if (chgtyp == CHGTYP_USB ||
chgtyp == CHGTYP_DOWNSTREAM_PORT ||
chgtyp == CHGTYP_DEDICATED_CHGR ||
chgtyp == CHGTYP_500MA || chgtyp == CHGTYP_1A)
ret = max77828_muic_set_charging_type(info, false);
else if (chgtyp == CHGTYP_NO_VOLTAGE && !chgdetrun)
ret = max77828_muic_set_charging_type(info, !vbvolt);
/* For MAX77828 IC doesn`t occur chgtyp IRQ
* because of audio noise prevention.
* So, If below condition is set,
* we do charging at CARDOCK.
*/
break;
#if defined(CONFIG_MUIC_DET_JACK)
case ADC_MHL_OR_SENDEND:
case ADC_DOCK_VOL_UP:
case ADC_DOCK_VOL_DN:
if ((!adc1k) && (info->cable_type == CABLE_TYPE_EARJACK_MUIC)) {
info->earkeypressed = true;
max77828_muic_earjack_key_detect(info, adc);
}
break;
case ADC_EARJACK:
if ((info->cable_type == CABLE_TYPE_EARJACK_MUIC) && (info->earkeypressed)) {
info->earkeypressed = false;
max77828_muic_earjack_key_detect(info, adc);
} else {
max77828_muic_earjack_detect(info, true);
info->cable_type = CABLE_TYPE_EARJACK_MUIC;
}
break;
#endif
case ADC_CARDOCK:
#if defined(CONFIG_MUIC_MAX77828_SUPPORT_CAR_DOCK)
max77828_muic_attach_dock_type(info, adc, chgtyp);
if (chgtyp == CHGTYP_USB ||
chgtyp == CHGTYP_DOWNSTREAM_PORT ||
chgtyp == CHGTYP_DEDICATED_CHGR ||
chgtyp == CHGTYP_500MA || chgtyp == CHGTYP_1A)
ret = max77828_muic_set_charging_type(info, false);
else if (chgtyp == CHGTYP_NO_VOLTAGE && !chgdetrun)
ret = max77828_muic_set_charging_type(info, !vbvolt);
/* For MAX77828 IC doesn`t occur chgtyp IRQ
* because of audio noise prevention.
* So, If below condition is set,
* we do charging at CARDOCK.
*/
#else
/* because of change FACTORY CPOriented to APOriented,
* at manufacture need AP wake-up method. write apo_factory
* FACTORY_START is set is_factory_start true.
*/
if (info->is_factory_start) {
if (info->cable_type == CABLE_TYPE_JIG_UART_ON_MUIC) {
pr_info("%s:%s duplicated(JIG_UART_ON)\n",
DEV_NAME, __func__);
break;
}
pr_info("%s:%s JIG_UART_ON\n", DEV_NAME, __func__);
info->cable_type = CABLE_TYPE_JIG_UART_ON_MUIC;
if (mdata->dock_cb)
mdata->dock_cb(MAX77828_MUIC_DOCK_CARDOCK);
return 0;
}
#endif /* CONFIG_MUIC_MAX77828_SUPPORT_CAR_DOCK */
break;
case ADC_CEA936ATYPE1_CHG:
case ADC_CEA936ATYPE2_CHG:
case ADC_OPEN:
switch (chgtyp) {
case CHGTYP_USB:
case CHGTYP_DOWNSTREAM_PORT:
if (adc == ADC_CEA936ATYPE1_CHG
|| adc == ADC_CEA936ATYPE2_CHG) {
dev_info(info->dev, "%s:TA\n", __func__);
info->cable_type = CABLE_TYPE_TA_MUIC;
#ifdef CONFIG_USBHUB_USB3803
/* setting usb hub in default mode (standby) */
usb3803_set_mode(USB_3803_MODE_STANDBY);
#endif /* CONFIG_USBHUB_USB3803 */
ret = max77828_muic_set_charging_type(info, !vbvolt);
if (ret)
info->cable_type = CABLE_TYPE_NONE_MUIC;
break;
}
if (chgtyp == CHGTYP_DOWNSTREAM_PORT) {
dev_info(info->dev, "%s, CDP(charging)\n",
__func__);
info->cable_type = CABLE_TYPE_CDP_MUIC;
ret = max77828_muic_set_charging_type(info, !vbvolt);
if(ret)
info->cable_type = CABLE_TYPE_NONE_MUIC;
}
if (info->cable_type == CABLE_TYPE_MHL_MUIC) {
dev_info(info->dev, "%s: MHL(charging)\n",
__func__);
info->cable_type = CABLE_TYPE_MHL_VB_MUIC;
ret = max77828_muic_set_charging_type(info,
!vbvolt);
return ret;
}
ret = max77828_muic_attach_usb_type(info, adc);
break;
case CHGTYP_DEDICATED_CHGR:
max77828_muic_start_check_hv(info);
case CHGTYP_500MA:
case CHGTYP_1A:
default:
dev_info(info->dev, "%s:TA\n", __func__);
ret = max77828_muic_check_vdnmon_status(info);
if (ret == 0)
{
info->cable_type = CABLE_TYPE_HV_TA_MUIC;
dev_info(info->dev, "%s: HV_TA(charging)\n", __func__);
}
else
{
info->cable_type = CABLE_TYPE_TA_MUIC;
dev_info(info->dev, "%s: TA(charging)\n", __func__);
}
#ifdef CONFIG_USBHUB_USB3803
/* setting usb hub in default mode (standby) */
usb3803_set_mode(USB_3803_MODE_STANDBY);
#endif /* CONFIG_USBHUB_USB3803 */
ret = max77828_muic_set_charging_type(info, !vbvolt);
if (ret)
info->cable_type = CABLE_TYPE_NONE_MUIC;
break;
}
break;
default:
dev_warn(info->dev, "%s: unsupported adc=0x%x\n", __func__, adc);
info->cable_type = CABLE_TYPE_INCOMPATIBLE_MUIC;
ret = max77828_muic_set_charging_type(info, !vbvolt);
if (ret)
info->cable_type = CABLE_TYPE_NONE_MUIC;
break;
}
return ret;
}
static int max77828_muic_handle_detach(struct max77828_muic_info *info, int irq)
{
struct i2c_client *client = info->muic;
struct max77828_muic_data *mdata = info->muic_data;
enum cable_type_muic prev_ct = CABLE_TYPE_NONE_MUIC;
u8 cntl2_val;
int ret = 0;
dev_info(info->dev, "func:%s\n", __func__);
info->is_adc_open_prev = true;
/* Workaround: irq doesn't occur after detaching mHL cable */
max77828_write_reg(client, MAX77828_MUIC_REG_CTRL1,
MAX77828_MUIC_CTRL1_BIN_0_000);
/* Enable Factory Accessory Detection State Machine */
max77828_update_reg(client, MAX77828_MUIC_REG_CTRL2,
(1 << CTRL2_ACCDET_SHIFT), CTRL2_ACCDET_MASK);
max77828_update_reg(client, MAX77828_MUIC_REG_CTRL2,
#if defined(CONFIG_SWITCH_DUAL_MODEM)
CTRL2_CPEn1_LOWPWD0,
#else
CTRL2_CPEn0_LOWPWD1,
#endif
CTRL2_CPEn_MASK | CTRL2_LOWPWD_MASK);
max77828_read_reg(client, MAX77828_MUIC_REG_CTRL2, &cntl2_val);
dev_info(info->dev, "%s: CNTL2(0x%02x)\n", __func__, cntl2_val);
#ifdef CONFIG_USBHUB_USB3803
/* setting usb hub in default mode (standby) */
usb3803_set_mode(USB_3803_MODE_STANDBY);
#endif /* CONFIG_USBHUB_USB3803 */
info->previous_key = DOCK_KEY_NONE;
/* clear CDDelay 500ms */
max77828_muic_clear_cddelay(info);
if (info->cable_type == CABLE_TYPE_NONE_MUIC) {
dev_info(info->dev, "%s: duplicated(NONE)\n", __func__);
return 0;
}
switch (info->cable_type) {
case CABLE_TYPE_OTG_MUIC:
dev_info(info->dev, "%s: OTG\n", __func__);
info->cable_type = CABLE_TYPE_NONE_MUIC;
if (mdata->usb_cb && info->is_usb_ready)
mdata->usb_cb(USB_OTGHOST_DETACHED);
break;
case CABLE_TYPE_USB_MUIC:
case CABLE_TYPE_CDP_MUIC:
case CABLE_TYPE_JIG_USB_OFF_MUIC:
case CABLE_TYPE_JIG_USB_ON_MUIC:
dev_info(info->dev, "%s: USB(0x%x)\n", __func__,
info->cable_type);
prev_ct = info->cable_type;
info->cable_type = CABLE_TYPE_NONE_MUIC;
ret = max77828_muic_set_charging_type(info, false);
if (ret) {
info->cable_type = prev_ct;
break;
}
if (mdata->usb_cb && info->is_usb_ready) {
#if defined(CONFIG_SEC_H_PROJECT) || defined (CONFIG_SEC_K_PROJECT)
if (work_busy(&info->usb_connection_work.work)) {
cancel_delayed_work(&info->usb_connection_work);
printk(KERN_ERR"max77828_muic_handle_detach canceling the work\n");
}
max77828_muic_send_event (1); // USB Disconnected
#endif
mdata->usb_cb(USB_CABLE_DETACHED);
}
break;
case CABLE_TYPE_DESKDOCK_MUIC:
dev_info(info->dev, "%s: DESKDOCK\n", __func__);
info->cable_type = CABLE_TYPE_NONE_MUIC;
ret = max77828_muic_set_charging_type(info, false);
if (ret) {
info->cable_type = CABLE_TYPE_DESKDOCK_MUIC;
break;
}
if ((info->adc!=ADC_DESKDOCK) && mdata->dock_cb)
mdata->dock_cb(MAX77828_MUIC_DOCK_DETACHED);
break;
case CABLE_TYPE_CARDOCK_MUIC:
dev_info(info->dev, "%s: CARDOCK\n", __func__);
info->cable_type = CABLE_TYPE_NONE_MUIC;
is_cardock = 0;
ret = max77828_muic_set_charging_type(info, false);
if (ret) {
info->cable_type = CABLE_TYPE_CARDOCK_MUIC;
break;
}
if (mdata->dock_cb)
mdata->dock_cb(MAX77828_MUIC_DOCK_DETACHED);
break;
case CABLE_TYPE_TA_MUIC:
case CABLE_TYPE_INCOMPATIBLE_MUIC:
case CABLE_TYPE_HV_TA_MUIC:
dev_info(info->dev, "%s: TA\n", __func__);
info->cable_type = CABLE_TYPE_NONE_MUIC;
ret = max77828_muic_set_charging_type(info, false);
if (ret)
info->cable_type = CABLE_TYPE_TA_MUIC;
break;
case CABLE_TYPE_JIG_UART_ON_MUIC:
#if defined(CONFIG_MUIC_MAX77828_SUPPORT_CAR_DOCK)
dev_info(info->dev, "%s: JIG UART/BOOTON\n", __func__);
info->cable_type = CABLE_TYPE_NONE_MUIC;
#else
if (info->is_factory_start) {
pr_info("%s:%s JIG_UART_ON\n", DEV_NAME, __func__);
info->cable_type = CABLE_TYPE_NONE_MUIC;
if (mdata->dock_cb)
mdata->dock_cb(MAX77828_MUIC_DOCK_DETACHED);
}
#endif /* CONFIG_MUIC_MAX77828_SUPPORT_CAR_DOCK */
break;
case CABLE_TYPE_JIG_UART_OFF_MUIC:
dev_info(info->dev, "%s: JIG UART/BOOTOFF\n", __func__);
info->cable_type = CABLE_TYPE_NONE_MUIC;
break;
case CABLE_TYPE_SMARTDOCK_MUIC:
case CABLE_TYPE_SMARTDOCK_TA_MUIC:
case CABLE_TYPE_SMARTDOCK_USB_MUIC:
max77828_muic_detach_smart_dock(info);
break;
case CABLE_TYPE_HMT_MUIC:
case CABLE_TYPE_HMT_TA_MUIC:
max77828_muic_detach_hmt(info);
break;
case CABLE_TYPE_AUDIODOCK_MUIC:
dev_info(info->dev, "%s: AUDIODOCK\n", __func__);
info->cable_type = CABLE_TYPE_NONE_MUIC;
if ((info->adc!=ADC_DESKDOCK) && mdata->dock_cb)
mdata->dock_cb(MAX77828_MUIC_DOCK_DETACHED);
if (mdata->usb_cb && info->is_usb_ready)
mdata->usb_cb(USB_POWERED_HOST_DETACHED);
ret = max77828_muic_set_charging_type(info, false);
max77828_muic_set_charging_type(info, false);
break;
case CABLE_TYPE_JIG_UART_OFF_VB_MUIC:
dev_info(info->dev, "%s: JIG UART/OFF/VB\n", __func__);
info->cable_type = CABLE_TYPE_NONE_MUIC;
ret = max77828_muic_set_charging_type(info, false);
if (ret)
info->cable_type = CABLE_TYPE_JIG_UART_OFF_VB_MUIC;
break;
case CABLE_TYPE_MHL_MUIC:
if (irq == info->irq_adc || irq == info->irq_chgtype) {
dev_warn(info->dev, "Detech mhl: Ignore irq:%d\n", irq);
break;
}
dev_info(info->dev, "%s: MHL\n", __func__);
info->cable_type = CABLE_TYPE_NONE_MUIC;
max77828_muic_set_charging_type(info, false);
if (mdata->mhl_cb && info->is_mhl_ready)
mdata->mhl_cb(MAX77828_MUIC_DETACHED);
break;
case CABLE_TYPE_MHL_VB_MUIC:
if (irq == info->irq_adc || irq == info->irq_chgtype) {
dev_warn(info->dev,
"Detech vbMhl: Ignore irq:%d\n", irq);
break;
}
dev_info(info->dev, "%s: MHL VBUS\n", __func__);
info->cable_type = CABLE_TYPE_NONE_MUIC;
max77828_muic_set_charging_type(info, false);
if (mdata->mhl_cb && info->is_mhl_ready)
mdata->mhl_cb(MAX77828_MUIC_DETACHED);
break;
#if defined(CONFIG_MUIC_DET_JACK)
case CABLE_TYPE_EARJACK_MUIC:
dev_info(info->dev, "%s: EARJACK\n", __func__);
info->cable_type = CABLE_TYPE_NONE_MUIC;
max77828_muic_earjack_detect(info, false);
break;
#endif
case CABLE_TYPE_UNKNOWN_MUIC:
dev_info(info->dev, "%s: UNKNOWN\n", __func__);
info->cable_type = CABLE_TYPE_NONE_MUIC;
ret = max77828_muic_set_charging_type(info, false);
if (ret)
info->cable_type = CABLE_TYPE_UNKNOWN_MUIC;
break;
default:
dev_info(info->dev, "%s:invalid cable type %d\n",
__func__, info->cable_type);
break;
}
/* jig state clear */
mdata->jig_state(false);
max77828_muic_uart_uevent(false);
return ret;
}
static int max77828_muic_filter_dev(struct max77828_muic_info *info,
u8 status1, u8 status2)
{
u8 adc, adcerr, adc1k, chgtyp, vbvolt, dxovp;
int intr = INT_ATTACH;
adc = status1 & STATUS1_ADC_MASK;
adcerr = status1 & STATUS1_ADCERR_MASK;
adc1k = status1 & STATUS1_ADC1K_MASK;
chgtyp = status2 & STATUS2_CHGTYP_MASK;
vbvolt = status2 & STATUS2_VBVOLT_MASK;
dxovp = status2 & STATUS2_DXOVP_MASK;
dev_info(info->dev, "adc:%x adcerr:%x chgtyp:%x vb:%x dxovp:%x cable_type:%d\n",
adc, adcerr, chgtyp, vbvolt, dxovp, info->cable_type);
#if defined(CONFIG_MUIC_MAX77828_SUPPORT_MHL_CABLE_DETECTION)
if (adc1k) {
pr_info("%s:%s MHL cable connected\n", DEV_NAME, __func__);
return INT_ATTACH;
}
#endif /* CONFIG_MUIC_MAX77828_SUPPORT_MHL_CABLE_DETECTION */
switch (adc) {
case ADC_GND:
pr_info("%s:%s ADC_GND == OTG\n", DEV_NAME, __func__);
break;
case (ADC_CEA936ATYPE1_CHG) ... (ADC_JIG_UART_ON):
if(info->cable_type != CABLE_TYPE_NONE_MUIC
&& chgtyp == CHGTYP_NO_VOLTAGE
&& info->chgtyp != chgtyp) {
intr = INT_DETACH;
}
break;
case ADC_OPEN:
if (!adcerr) {
if (chgtyp == CHGTYP_NO_VOLTAGE) {
if (dxovp)
break;
else
intr = INT_DETACH;
} else if (chgtyp == CHGTYP_USB ||
chgtyp == CHGTYP_DOWNSTREAM_PORT ||
chgtyp == CHGTYP_DEDICATED_CHGR ||
chgtyp == CHGTYP_500MA ||
chgtyp == CHGTYP_1A) {
switch (info->cable_type) {
case CABLE_TYPE_OTG_MUIC:
case CABLE_TYPE_DESKDOCK_MUIC:
case CABLE_TYPE_CARDOCK_MUIC:
case CABLE_TYPE_SMARTDOCK_MUIC:
case CABLE_TYPE_SMARTDOCK_TA_MUIC:
case CABLE_TYPE_SMARTDOCK_USB_MUIC:
case CABLE_TYPE_AUDIODOCK_MUIC:
case CABLE_TYPE_HMT_MUIC:
case CABLE_TYPE_HMT_TA_MUIC:
intr = INT_DETACH;
break;
default:
break;
}
}
}
break;
default:
break;
}
return intr;
}
static void max77828_muic_detect_dev(struct max77828_muic_info *info, int irq)
{
struct i2c_client *client = info->muic;
u8 status[2];
int intr = INT_ATTACH;
int ret;
u8 cntl1_val;
ret = max77828_read_reg(client, MAX77828_MUIC_REG_CTRL1, &cntl1_val);
dev_info(info->dev, "func:%s CONTROL1:%x\n", __func__, cntl1_val);
ret = max77828_bulk_read(client, MAX77828_MUIC_REG_STATUS1, 2, status);
dev_info(info->dev, "func:%s irq:%d ret:%d\n", __func__, irq, ret);
if (ret) {
dev_err(info->dev, "%s: fail to read muic reg(%d)\n", __func__,
ret);
return;
}
dev_info(info->dev, "%s: STATUS1:0x%x, 2:0x%x\n", __func__,
status[0], status[1]);
if ((irq == info->irq_adc) &&
max77828_muic_handle_dock_vol_key(info, status[0])) {
dev_info(info->dev,
"max77828_muic_handle_dock_vol_key(irq_adc:%x)", irq);
return;
}
wake_lock_timeout(&info->muic_wake_lock, HZ * 2);
intr = max77828_muic_filter_dev(info, status[0], status[1]);
info->adc = status[0] & STATUS1_ADC_MASK;
info->chgtyp = status[1] & STATUS2_CHGTYP_MASK;
info->vbvolt = status[1] & STATUS2_VBVOLT_MASK;
if (intr == INT_ATTACH) {
dev_info(info->dev, "%s: ATTACHED\n", __func__);
max77828_muic_handle_attach(info, status[0], status[1], irq);
} else if (intr == INT_DETACH) {
dev_info(info->dev, "%s: DETACHED\n", __func__);
max77828_muic_handle_detach(info, irq);
} else {
pr_info("%s:%s device filtered, nothing affect.\n", DEV_NAME,
__func__);
}
return;
}
static irqreturn_t max77828_muic_irq(int irq, void *data)
{
struct max77828_muic_info *info = data;
dev_info(info->dev, "%s: irq:%d\n", __func__, irq);
mutex_lock(&info->mutex);
max77828_muic_detect_dev(info, irq);
mutex_unlock(&info->mutex);
return IRQ_HANDLED;
}
#define REQUEST_IRQ(_irq, _name) \
do { \
ret = request_threaded_irq(_irq, NULL, max77828_muic_irq, \
0, _name, info); \
if (ret < 0) \
dev_err(info->dev, "Failed to request IRQ #%d: %d\n", \
_irq, ret); \
} while (0)
static int max77828_muic_irq_init(struct max77828_muic_info *info)
{
int ret;
u8 val;
dev_info(info->dev, "func:%s\n", __func__);
/* dev_info(info->dev, "%s: system_rev=%x\n", __func__, system_rev); */
/* INTMASK1 3:ADC1K 2:ADCErr 0:ADC */
/* INTMASK2 0:Chgtype */
max77828_write_reg(info->muic, MAX77828_MUIC_REG_INTMASK1, 0x09);
max77828_write_reg(info->muic, MAX77828_MUIC_REG_INTMASK2, 0x11);
max77828_write_reg(info->muic, MAX77828_MUIC_REG_INTMASK3, 0x00);
REQUEST_IRQ(info->irq_adc, "muic-adc");
dev_info(info->dev, "func:%s muic-adc\n", __func__);
REQUEST_IRQ(info->irq_chgtype, "muic-chgtype");
dev_info(info->dev, "func:%s muic-chgtype\n", __func__);
REQUEST_IRQ(info->irq_vbvolt, "muic-vbvolt");
dev_info(info->dev, "func:%s muic-vbvolt\n", __func__);
REQUEST_IRQ(info->irq_adc1k, "muic-adc1k");
dev_info(info->dev, "func:%s muic-adc1k\n", __func__);
dev_info(info->dev, "adc:%d chgtype:%d adc1k:%d vbvolt:%d",
info->irq_adc, info->irq_chgtype,
info->irq_adc1k, info->irq_vbvolt);
max77828_read_reg(info->muic, MAX77828_MUIC_REG_INTMASK1, &val);
dev_info(info->dev, "%s: reg=%x, val=%x\n", __func__,
MAX77828_MUIC_REG_INTMASK1, val);
max77828_read_reg(info->muic, MAX77828_MUIC_REG_INTMASK2, &val);
dev_info(info->dev, "%s: reg=%x, val=%x\n", __func__,
MAX77828_MUIC_REG_INTMASK2, val);
max77828_read_reg(info->muic, MAX77828_MUIC_REG_INTMASK3, &val);
dev_info(info->dev, "%s: reg=%x, val=%x\n", __func__,
MAX77828_MUIC_REG_INTMASK3, val);
max77828_read_reg(info->muic, MAX77828_MUIC_REG_INT1, &val);
dev_info(info->dev, "%s: reg=%x, val=%x\n", __func__,
MAX77828_MUIC_REG_INT1, val);
max77828_read_reg(info->muic, MAX77828_MUIC_REG_INT2, &val);
dev_info(info->dev, "%s: reg=%x, val=%x\n", __func__,
MAX77828_MUIC_REG_INT2, val);
max77828_read_reg(info->muic, MAX77828_MUIC_REG_INT3, &val);
dev_info(info->dev, "%s: reg=%x, val=%x\n", __func__,
MAX77828_MUIC_REG_INT3, val);
return 0;
}
#define CHECK_GPIO(_gpio, _name) \
do { \
if (!_gpio) { \
dev_err(&pdev->dev, _name " GPIO defined as 0 !\n"); \
WARN_ON(!_gpio); \
ret = -EIO; \
goto err_kfree; \
} \
} while (0)
static void max77828_muic_dock_detect(struct work_struct *work)
{
struct max77828_muic_info *info =
container_of(work, struct max77828_muic_info, dock_work.work);
struct i2c_client *client = info->muic;
u8 status[2];
int ret;
u8 cntl1_val;
u8 adc, adcerr, adc1k, chgtyp, vbvolt, dxovp;
mutex_lock(&info->mutex);
ret = max77828_read_reg(client, MAX77828_MUIC_REG_CTRL1, &cntl1_val);
pr_info("%s:%s CONTROL1:%x\n", DEV_NAME, __func__, cntl1_val);
ret = max77828_bulk_read(client, MAX77828_MUIC_REG_STATUS1, 2, status);
if (ret) {
pr_err("%s:%s fail to read muic reg(%d)\n", DEV_NAME, __func__,
ret);
goto end;
}
pr_info("%s:%s STATUS1:0x%x, 2:0x%x\n", DEV_NAME, __func__, status[0],
status[1]);
adc = status[0] & STATUS1_ADC_MASK;
adcerr = status[0] & STATUS1_ADCERR_MASK;
adc1k = status[0] & STATUS1_ADC1K_MASK;
chgtyp = status[1] & STATUS2_CHGTYP_MASK;
vbvolt = status[1] & STATUS2_VBVOLT_MASK;
dxovp = status[1] & STATUS2_DXOVP_MASK;
pr_info("%s:%s adc:%x adcerr:%x chgtyp:%x vb:%x dxovp:%x"\
" cable_type:%d\n", DEV_NAME, __func__, adc, adcerr, chgtyp,
vbvolt, dxovp, info->cable_type);
if (adc1k) {
pr_info("%s:%s MHL attached, goto end\n", DEV_NAME, __func__);
goto end;
}
if (adcerr) {
pr_info("%s:%s ADC error, goto end\n", DEV_NAME, __func__);
goto end;
}
switch (adc) {
case ADC_SMARTDOCK:
pr_info("%s:%s Smart Dock\n", DEV_NAME, __func__);
if (vbvolt && !info->is_usb_ready) {
pr_info("%s:%s usb not ready yet, D+,D- line(Open)\n",
DEV_NAME, __func__);
max77828_muic_set_usb_path(info, OPEN_USB_MODE);
} else
max77828_muic_set_usb_path(info, AP_USB_MODE);
break;
case ADC_HMT:
pr_info("%s:%s HMT\n", DEV_NAME, __func__);
if (vbvolt && !info->is_usb_ready) {
pr_info("%s:%s usb not ready yet, D+,D- line(Open)\n",
DEV_NAME, __func__);
max77828_muic_set_usb_path(info, OPEN_USB_MODE);
} else
max77828_muic_set_usb_path(info, AP_USB_MODE);
break;
case ADC_AUDIODOCK:
pr_info("%s:%s Audio Dock\n", DEV_NAME, __func__);
if (vbvolt && !info->is_usb_ready) {
pr_info("%s:%s usb not ready yet, D+,D- line(Open), usb_state:%d\n",
DEV_NAME, __func__, info->is_usb_ready);
max77828_muic_set_usb_path(info, OPEN_USB_MODE);
} else
max77828_muic_set_usb_path(info, AP_USB_MODE);
break;
default:
break;
}
end:
mutex_unlock(&info->mutex);
}
static void max77828_muic_init_detect(struct work_struct *work)
{
struct max77828_muic_info *info =
container_of(work, struct max77828_muic_info, init_work.work);
dev_info(info->dev, "func:%s\n", __func__);
mutex_lock(&info->mutex);
#if defined(CONFIG_MUIC_DET_JACK)
info->init_detect_done = INIT_START;
#endif
max77828_muic_detect_dev(info, -1);
#if defined(CONFIG_MUIC_DET_JACK)
info->init_detect_done = INIT_DONE;
#endif
mutex_unlock(&info->mutex);
}
static void max77828_muic_usb_detect(struct work_struct *work)
{
struct max77828_muic_info *info =
container_of(work, struct max77828_muic_info, usb_work.work);
struct max77828_muic_data *mdata = info->muic_data;
dev_info(info->dev, "func:%s info->muic_data->sw_path:%d\n",
__func__, info->muic_data->sw_path);
mutex_lock(&info->mutex);
info->is_usb_ready = true;
if (mdata->usb_cb) {
switch (info->cable_type) {
case CABLE_TYPE_CDP_MUIC:
case CABLE_TYPE_USB_MUIC:
case CABLE_TYPE_JIG_USB_OFF_MUIC:
case CABLE_TYPE_JIG_USB_ON_MUIC:
#ifdef CONFIG_USBHUB_USB3803
/* setting usb hub in Diagnostic(hub) mode */
usb3803_set_mode(USB_3803_MODE_HUB);
#endif /* CONFIG_USBHUB_USB3803 */
mdata->usb_cb(USB_CABLE_ATTACHED);
break;
default :
break;
}
}
mutex_unlock(&info->mutex);
}
static void max77828_muic_dock_usb_detect(struct work_struct *work)
{
struct max77828_muic_info *info =
container_of(work, struct max77828_muic_info, dock_usb_work.work);
struct max77828_muic_data *mdata = info->muic_data;
dev_info(info->dev, "func:%s info->muic_data->sw_path:%d\n",
__func__, info->muic_data->sw_path);
mutex_lock(&info->mutex);
info->is_usb_ready = true;
if (mdata->usb_cb) {
switch (info->cable_type) {
case CABLE_TYPE_OTG_MUIC:
mdata->usb_cb(USB_OTGHOST_ATTACHED);
break;
case CABLE_TYPE_SMARTDOCK_MUIC:
case CABLE_TYPE_SMARTDOCK_TA_MUIC:
pr_info("%s:%s now usb ready, turn"\
"D+,D- line to AP_USB\n", DEV_NAME,
__func__);
max77828_muic_set_usb_path(info, AP_USB_MODE);
mdata->usb_cb(USB_POWERED_HOST_ATTACHED);
break;
case CABLE_TYPE_SMARTDOCK_USB_MUIC:
pr_info("%s:%s now usb ready, turn"\
"D+,D- line to AP_USB\n", DEV_NAME,
__func__);
max77828_muic_set_usb_path(info, AP_USB_MODE);
mdata->usb_cb(USB_CABLE_ATTACHED);
break;
case CABLE_TYPE_HMT_MUIC:
pr_info("%s:%s now usb ready, turn"\
"D+,D- line to AP_USB\n", DEV_NAME,
__func__);
max77828_muic_set_usb_path(info, AP_USB_MODE);
mdata->usb_cb(USB_OTGHOST_ATTACHED);
break;
case CABLE_TYPE_HMT_TA_MUIC:
pr_info("%s:%s now usb ready, turn"\
"D+,D- line to AP_USB\n", DEV_NAME,
__func__);
max77828_muic_set_usb_path(info, AP_USB_MODE);
mdata->usb_cb(USB_POWERED_HOST_ATTACHED);
break;
case CABLE_TYPE_AUDIODOCK_MUIC:
pr_info("%s:%s now usb ready, turn"\
"D+,D- line to AP_USB\n", DEV_NAME,
__func__);
max77828_muic_set_usb_path(info, AP_USB_MODE);
mdata->usb_cb(USB_POWERED_HOST_ATTACHED);
break;
default:
break;
}
}
mutex_unlock(&info->mutex);
}
static void max77828_muic_mhl_detect(struct work_struct *work)
{
struct max77828_muic_info *info =
container_of(work, struct max77828_muic_info, mhl_work.work);
struct max77828_muic_data *mdata = info->muic_data;
dev_info(info->dev, "func:%s cable_type:%d\n", __func__,
info->cable_type);
mutex_lock(&info->mutex);
info->is_mhl_ready = true;
if (info->cable_type == CABLE_TYPE_MHL_MUIC ||
info->cable_type == CABLE_TYPE_MHL_VB_MUIC ||
info->cable_type == CABLE_TYPE_SMARTDOCK_MUIC ||
info->cable_type == CABLE_TYPE_SMARTDOCK_TA_MUIC ||
info->cable_type == CABLE_TYPE_SMARTDOCK_USB_MUIC) {
if (mdata->mhl_cb)
mdata->mhl_cb(MAX77828_MUIC_ATTACHED);
}
mutex_unlock(&info->mutex);
}
#if defined(CONFIG_SEC_H_PROJECT) || defined (CONFIG_SEC_K_PROJECT)
#define MAX_SPEAKER_CHECK 50
extern int speaker_status; // Check speak on/off
void max77828_muic_usb_connection_delay(struct work_struct *work)
{
struct max77828_muic_info *info =
container_of(work, struct max77828_muic_info, usb_connection_work.work);
struct max77828_muic_data *mdata = info->muic_data;
// Don't be entered this function. if usb cable was detached.
if (info->cable_type == CABLE_TYPE_NONE_MUIC) {
pr_info("%s CABLE_TYPE_NONE \n",__func__);
return;
}
// Delay the usb connection during speaker on
/*
if (speaker_status > 0) {
info->speaker_check_count++;
if (info->speaker_check_count < MAX_SPEAKER_CHECK) { // Total 4.5s delay
schedule_delayed_work(&info->usb_connection_work, msecs_to_jiffies(100));
return;
}
}
*/
// Do usb connection
if (mdata->usb_cb) {
if ( info->cable_type == CABLE_TYPE_USB_MUIC)
mdata->usb_cb(USB_CABLE_ATTACHED);
}
}
#endif
int max77828_muic_get_status1_adc1k_value(void)
{
u8 adc1k;
int ret;
ret = max77828_read_reg(gInfo->muic,
MAX77828_MUIC_REG_STATUS1, &adc1k);
if (ret) {
dev_err(gInfo->dev, "%s: fail to read muic reg(%d)\n",
__func__, ret);
return -EINVAL;
}
adc1k = adc1k & STATUS1_ADC1K_MASK ? 1 : 0;
pr_info("func:%s, adc1k: %d\n", __func__, adc1k);
/* -1:err, 0:adc1k not detected, 1:adc1k detected */
return adc1k;
}
int max77828_muic_get_status1_adc_value(void)
{
u8 adc;
int ret;
ret = max77828_read_reg(gInfo->muic,
MAX77828_MUIC_REG_STATUS1, &adc);
if (ret) {
dev_err(gInfo->dev, "%s: fail to read muic reg(%d)\n",
__func__, ret);
return -EINVAL;
}
return adc & STATUS1_ADC_MASK;
}
/*
* func: max77828_muic_set_audio_switch
* arg: bool enable(true:set vps path, false:set path open)
* return: only 0 success
*/
int max77828_muic_set_audio_switch(bool enable)
{
struct i2c_client *client = gInfo->muic;
u8 cntl1_val, cntl1_msk;
int ret;
pr_info("func:%s enable(%d)", __func__, enable);
if (enable) {
cntl1_val = (MAX77828_MUIC_CTRL1_BIN_2_010 << CTRL1_COMN1SW_SHIFT)
| (MAX77828_MUIC_CTRL1_BIN_2_010 << CTRL1_COMP2SW_SHIFT);
} else {
cntl1_val = 0x3f;
}
cntl1_msk = CTRL1_COMN1SW_MASK | CTRL1_COMP2SW_MASK;
ret = max77828_update_reg(client, MAX77828_MUIC_REG_CTRL1, cntl1_val,
cntl1_msk);
cntl1_val = MAX77828_MUIC_CTRL1_BIN_0_000;
max77828_read_reg(client, MAX77828_MUIC_REG_CTRL1, &cntl1_val);
dev_info(gInfo->dev, "%s: CNTL1(0x%02x)\n", __func__, cntl1_val);
return ret;
}
void max77828_update_jig_state(struct max77828_muic_info *info)
{
struct i2c_client *client = info->muic;
struct max77828_muic_data *mdata = info->muic_data;
u8 reg_data, adc;
int ret, jig_state;
ret = max77828_read_reg(client, MAX77828_MUIC_REG_STATUS1, &reg_data);
if (ret) {
dev_err(info->dev, "%s: fail to read muic reg(%d)\n",
__func__, ret);
return;
}
adc = reg_data & STATUS1_ADC_MASK;
switch (adc) {
case ADC_JIG_UART_OFF:
case ADC_JIG_USB_OFF:
case ADC_JIG_USB_ON:
jig_state = true;
break;
default:
jig_state = false;
break;
}
mdata->jig_state(jig_state);
max77828_muic_uart_uevent(jig_state);
}
static int __devinit max77828_muic_probe(struct platform_device *pdev)
{
struct max77828_dev *max77828 = dev_get_drvdata(pdev->dev.parent);
struct max77828_platform_data *pdata = dev_get_platdata(max77828->dev);
struct max77828_muic_info *info;
struct input_dev *input;
#if defined(CONFIG_MUIC_DET_JACK)
struct class *audio;
struct device *earjack;
#endif
int ret;
u8 cdetctrl1;
pr_info("func:%s\n", __func__);
info = kzalloc(sizeof(struct max77828_muic_info), GFP_KERNEL);
if (!info) {
dev_err(&pdev->dev, "%s: failed to allocate info\n", __func__);
ret = -ENOMEM;
goto err_return;
}
input = input_allocate_device();
if (!input) {
dev_err(&pdev->dev, "%s: failed to allocate input\n", __func__);
ret = -ENOMEM;
goto err_kfree;
}
info->dev = &pdev->dev;
info->max77828 = max77828;
info->muic = max77828->muic;
info->input = input;
info->irq_adc = max77828->irq_base + MAX77828_MUIC_IRQ_INT1_ADC;
info->irq_chgtype = max77828->irq_base + MAX77828_MUIC_IRQ_INT2_CHGTYP;
info->irq_vbvolt = max77828->irq_base + MAX77828_MUIC_IRQ_INT2_VBVOLT;
info->irq_adc1k = max77828->irq_base + MAX77828_MUIC_IRQ_INT1_ADC1K;
info->muic_data = pdata->muic_data;
info->muic_data->uart_path = UART_PATH_AP;
info->is_adc_open_prev = true;
#if !defined(CONFIG_MUIC_MAX77828_SUPPORT_CAR_DOCK)
info->is_factory_start = false;
#endif /* !CONFIG_MUIC_MZX77828_SUPPORT_CAR_DOCK */
wake_lock_init(&info->muic_wake_lock, WAKE_LOCK_SUSPEND,
"muic wake lock");
info->cable_type = CABLE_TYPE_UNKNOWN_MUIC;
info->muic_data->sw_path = AP_USB_MODE;
#if defined(CONFIG_MUIC_DET_JACK)
info->eardetacted = false;
info->earkeypressed = false;
info->init_detect_done = NOT_INIT;
info->old_keycode = 0;
info->keycode = 0;
#endif
#if defined(CONFIG_SEC_H_PROJECT)
info->speaker_check_count = 0;
#endif
gInfo = info;
platform_set_drvdata(pdev, info);
dev_info(info->dev, "adc:%d chgtype:%d, adc1k%d\n",
info->irq_adc, info->irq_chgtype, info->irq_adc1k);
input->name = pdev->name;
input->phys = "deskdock-key/input0";
input->dev.parent = &pdev->dev;
input->id.bustype = BUS_HOST;
input->id.vendor = 0x0001;
input->id.product = 0x0001;
input->id.version = 0x0001;
/* Enable auto repeat feature of Linux input subsystem */
__set_bit(EV_REP, input->evbit);
dev_info(info->dev, "input->name:%s\n", input->name);
#if defined(CONFIG_MUIC_DET_JACK)
input_set_capability(input, EV_KEY, KEY_MEDIA);
#endif
input_set_capability(input, EV_KEY, KEY_VOLUMEUP);
input_set_capability(input, EV_KEY, KEY_VOLUMEDOWN);
input_set_capability(input, EV_KEY, KEY_PLAYPAUSE);
input_set_capability(input, EV_KEY, KEY_PREVIOUSSONG);
input_set_capability(input, EV_KEY, KEY_NEXTSONG);
init_timer(&info->timer);
info->timer.data = (unsigned long)info;
info->timer.function = max77828_check_hv;
ret = input_register_device(input);
if (ret) {
dev_err(info->dev, "%s: Unable to register input device, "
"error: %d\n", __func__, ret);
goto err_input;
}
#if defined(CONFIG_SWITCH_DUAL_MODEM)
switch_sel &= 0xf;
if ((switch_sel & MAX77828_SWITCH_SEL_1st_BIT_USB) == 0x1)
info->muic_data->sw_path = AP_USB_MODE;
else
info->muic_data->sw_path = CP_USB_MODE;
if ((switch_sel & MAX77828_SWITCH_SEL_2nd_BIT_UART)
== 0x1 << 1)
info->muic_data->uart_path = UART_PATH_AP;
else
info->muic_data->uart_path = UART_PATH_CP;
pr_err("%s: switch_sel: %x\n", __func__, switch_sel);
#endif
/* create sysfs group */
ret = sysfs_create_group(&switch_dev->kobj, &max77828_muic_group);
dev_set_drvdata(switch_dev, info);
if (ret) {
dev_err(&pdev->dev,
"failed to create max77828 muic attribute group\n");
goto fail;
}
if (info->muic_data->init_cb)
info->muic_data->init_cb();
mutex_init(&info->mutex);
/* Set ADC debounce time: 25ms */
max77828_muic_set_adcdbset(info, 2);
/* Set DPDNVdEN Enable */
max77828_muic_set_dpdnvden(info, 1);
/* Set DCDTmr to 2sec */
max77828_read_reg(info->max77828->muic,
MAX77828_MUIC_REG_CDETCTRL1, &cdetctrl1);
cdetctrl1 &= ~(1 << 5);
max77828_write_reg(info->max77828->muic,
MAX77828_MUIC_REG_CDETCTRL1, cdetctrl1);
pr_info("%s: CDETCTRL1(0x%02x)\n", __func__, cdetctrl1);
#if defined(CONFIG_MUIC_DET_JACK)
ret = switch_dev_register(&switch_earjack);
if (ret < 0) {
pr_info("%s : Failed to register switch device\n", __func__);
goto err_switch_dev_register;
}
ret = switch_dev_register(&switch_earjackkey);
if (ret < 0) {
pr_info("%s : Failed to register switch device\n", __func__);
goto err_switch_dev_register;
}
audio = class_create(THIS_MODULE, "audio");
if (IS_ERR(audio))
pr_err("Failed to create class(audio)!\n");
earjack = device_create(audio, NULL, 0, NULL, "earjack");
if (IS_ERR(earjack))
pr_err("Failed to create device(earjack)!\n");
ret = device_create_file(earjack, &dev_attr_key_state);
if (ret)
pr_err("Failed to create device file in sysfs entries(%s)!\n",
dev_attr_key_state.attr.name);
ret = device_create_file(earjack, &dev_attr_state);
if (ret)
pr_err("Failed to create device file in sysfs entries(%s)!\n",
dev_attr_state.attr.name);
dev_set_drvdata(earjack, info);
#endif
ret = switch_dev_register(&switch_uart3);
if (ret < 0) {
pr_err("%s : Failed to register switch_uart3 device\n", __func__);
goto err_switch_uart3_dev_register;
}
ret = max77828_muic_irq_init(info);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to initialize MUIC irq:%d\n", ret);
goto fail;
}
/* initial cable detection */
INIT_DELAYED_WORK(&info->dock_work, max77828_muic_dock_detect);
schedule_delayed_work(&info->dock_work, msecs_to_jiffies(50));
INIT_DELAYED_WORK(&info->init_work, max77828_muic_init_detect);
schedule_delayed_work(&info->init_work, msecs_to_jiffies(3000));
INIT_DELAYED_WORK(&info->usb_work, max77828_muic_usb_detect);
schedule_delayed_work(&info->usb_work, msecs_to_jiffies(10000));
INIT_DELAYED_WORK(&info->dock_usb_work, max77828_muic_dock_usb_detect);
schedule_delayed_work(&info->dock_usb_work, msecs_to_jiffies(22000));
INIT_DELAYED_WORK(&info->mhl_work, max77828_muic_mhl_detect);
schedule_delayed_work(&info->mhl_work, msecs_to_jiffies(25000));
#if defined(CONFIG_SEC_H_PROJECT) || defined (CONFIG_SEC_K_PROJECT)
INIT_DELAYED_WORK(&info->usb_connection_work, max77828_muic_usb_connection_delay);
#endif
#if defined(CONFIG_MUIC_DET_JACK)
INIT_WORK(&info->earjack_work, max77828_muic_earjack_detect_workfunc);
INIT_WORK(&info->earjackkey_work, max77828_muic_earjack_key_detect_workfunc);
#endif
/* init jig state */
max77828_update_jig_state(info);
return 0;
fail:
if (info->irq_adc)
free_irq(info->irq_adc, NULL);
if (info->irq_chgtype)
free_irq(info->irq_chgtype, NULL);
if (info->irq_vbvolt)
free_irq(info->irq_vbvolt, NULL);
if (info->irq_adc1k)
free_irq(info->irq_adc1k, NULL);
mutex_destroy(&info->mutex);
err_input:
platform_set_drvdata(pdev, NULL);
input_free_device(input);
wake_lock_destroy(&info->muic_wake_lock);
err_kfree:
kfree(info);
#if defined(CONFIG_MUIC_DET_JACK)
err_switch_dev_register:
switch_dev_unregister(&switch_earjack);
switch_dev_unregister(&switch_earjackkey);
#endif
err_switch_uart3_dev_register:
switch_dev_unregister(&switch_uart3);
err_return:
return ret;
}
static int __devexit max77828_muic_remove(struct platform_device *pdev)
{
struct max77828_muic_info *info = platform_get_drvdata(pdev);
sysfs_remove_group(&switch_dev->kobj, &max77828_muic_group);
if (info) {
dev_info(info->dev, "func:%s\n", __func__);
input_unregister_device(info->input);
cancel_delayed_work(&info->dock_work);
cancel_delayed_work(&info->init_work);
cancel_delayed_work(&info->usb_work);
cancel_delayed_work(&info->dock_usb_work);
cancel_delayed_work(&info->mhl_work);
#if defined(CONFIG_SEC_H_PROJECT) || defined (CONFIG_SEC_K_PROJECT)
cancel_delayed_work(&info->usb_connection_work);
#endif
free_irq(info->irq_adc, info);
free_irq(info->irq_chgtype, info);
free_irq(info->irq_vbvolt, info);
free_irq(info->irq_adc1k, info);
wake_lock_destroy(&info->muic_wake_lock);
#ifndef CONFIG_TARGET_LOCALE_NA
gpio_free(info->muic_data->gpio_usb_sel);
#endif /* CONFIG_TARGET_LOCALE_NA */
mutex_destroy(&info->mutex);
kfree(info);
}
return 0;
}
void max77828_muic_shutdown(struct device *dev)
{
struct max77828_muic_info *info = dev_get_drvdata(dev);
int ret;
u8 val;
dev_info(info->dev, "func:%s\n", __func__);
if (!info->muic) {
dev_err(info->dev, "%s: no muic i2c client\n", __func__);
return;
}
dev_info(info->dev, "%s: JIGSet: auto detection\n", __func__);
val = (0 << CTRL3_JIGSET_SHIFT);
ret = max77828_update_reg(info->muic, MAX77828_MUIC_REG_CTRL3, val,
CTRL3_JIGSET_MASK);
if (ret < 0) {
dev_err(info->dev, "%s: fail to update reg\n", __func__);
return;
}
}
static struct platform_driver max77828_muic_driver = {
.driver = {
.name = DEV_NAME,
.owner = THIS_MODULE,
.shutdown = max77828_muic_shutdown,
},
.probe = max77828_muic_probe,
.remove = __devexit_p(max77828_muic_remove),
};
static int __init max77828_muic_init(void)
{
pr_info("func:%s\n", __func__);
return platform_driver_register(&max77828_muic_driver);
}
module_init(max77828_muic_init);
static void __exit max77828_muic_exit(void)
{
pr_info("func:%s\n", __func__);
platform_driver_unregister(&max77828_muic_driver);
}
module_exit(max77828_muic_exit);
MODULE_DESCRIPTION("Maxim MAX77828 MUIC driver");
MODULE_AUTHOR("<sukdong.kim@samsung.com>");
MODULE_LICENSE("GPL");
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