void set_charging_current_sub(void)
{
#ifdef CONFIG_LGE_BLOCK_CHARGING_MODE
if ( 0 == get_block_charging_state() ) {
printk(KERN_INFO "%s: Block Charging State\n", __func__);
return ;
}
#endif
switch( get_ext_pwr_type() ) {
case NO_CABLE:
charging_ic_active_default();
break;
case LT_CABLE_56K:
case LT_CABLE_130K:
case LT_CABLE_910K:
charging_ic_set_factory_mode();
/* mbk_temp HW Request */
setting_for_factory_mode_hw_req();
break;
case TA_CABLE:
case FORGED_TA_CABLE:
charging_ic_set_ta_mode();
break;
case USB_CABLE:
case ABNORMAL_USB_100MA:
case ABNORMAL_USB_400MA:
charging_ic_set_usb_mode();
break;
}
printk("[charging_msg] %s, External Power Type %d, charging_ic_status %d \n", __FUNCTION__, get_ext_pwr_type(), charging_ic_status);
return ;
}
ssize_t charging_ic_store_status(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t count)
{
if(buf[0] == '0') {
charging_ic_deactive();
} else if(buf[0] == '1') {
charging_ic_set_ta_mode();
}
return count;
}
void setting_for_factory_mode_hw_req(void)
{
#if 0 /* XXX_mbk */
/* Battery FET OFF */
lge_battery_fet_onoff(0);
#else
/* HW요청사항...Battery가 있으면...2A가 아닌 960mA로 충전하도록
Charger IC가 2A로 충전을 계속하게 되면 버티지 못함. */
if( check_battery_present() ) {
printk(KERN_INFO "%s, Charger Current Setting TA mode from Factory Mode\n", __FUNCTION__);
charging_ic_set_ta_mode();
}
#endif
}
void setting_for_factory_mode_hw_req(void)
{
#if 0 /* XXX_mbk */
/* Battery FET OFF */
lge_battery_fet_onoff(0);
#else
extern void dp3t_switch_ctrl(TYPE_DP3T_MODE mode);
/* HW요청사항...Battery가 있으면...2A가 아닌 960mA로 충전하도록
Charger IC가 2A로 충전을 계속하게 되면 버티지 못함. */
if( check_battery_present() ) {
printk(KERN_INFO "%s, Charger Current Setting TA mode from Factory Mode\n", __FUNCTION__);
charging_ic_set_ta_mode();
}
#endif
/* USB Switch to CP */
dp3t_switch_ctrl(DP3T_CP_USB);
}
void rt9536_charging_enable(unsigned int set_current, unsigned int enable)
{
if (enable)
{
if ( set_current == AC_CHARGER_CURRENT )
charging_ic_set_ta_mode();
else if ( set_current == USB_CHARGER_CURRENT )
charging_ic_set_usb_mode();
else
charging_ic_active_default();
printk("[charger_rt9536] :: %s, current(%d), enable(%d)\n", __func__, set_current, enable);
}
else
{
charging_ic_deactive();
printk("[charger_rt9536] :: %s, enable(%d)\n", __func__, enable);
}
}
void set_charging_current(void)
{
static int old_status = -1;
int current_status = -1;
if( !get_madc_probe_done() )
return ;
current_status = get_external_power_status();
if( old_status != current_status ) {
/* mbk_temp */
lge_usb_acc_detect();
switch( get_ext_pwr_type() ) {
case NO_CABLE:
break;
case LT_CABLE:
// if LT_Cable, u-boot already set charing current. in kernel no need to set
//charging_ic_set_factory_mode();
/* mbk_temp HW Request */
setting_for_factory_mode_hw_req();
break;
case TA_CABLE:
case FORGED_TA_CABLE:
charging_ic_set_ta_mode();
break;
}
printk("[charging_msg] %s, External Power Type %d \n", __FUNCTION__, get_ext_pwr_type());
old_status = current_status;
}
charger_state_update_by_other();
return ;
}
/* LGE_UPDATE_S [[email protected]] 2010-12-01, modify detection scheme */ static void muic_device_none_detect(void) { u8 reg_value; if ((key_col == 1) && (key_row == 1)) // Volume up key_was_pressed = 1; else if ((key_col == 1) && (key_row == 2)) // Volume down key_was_pressed = 2; printk(KERN_WARNING "[MUIC] Device_None_Detect int_stat_val = 0x%x\n",int_stat_val); /* LGE_CHANGE_S [[email protected]] 2010-12-14, CP retain mode */ #ifdef CP_RETAIN if (is_cp_retained) { muic_CP_USB_set(); } else /* LGE_CHANGE_E [[email protected]] 2011-01-06, CP retain mode */ #elif defined(USB_RETAIN) /* 2012.05.15, [email protected], USB retain mode. */ if (usb_retained == CP_RETAINED) { muic_CP_USB_set(); } else if (usb_retained == AP_RETAINED) { muic_AP_USB_set(); } else #endif // IDNO=0100? 130Kohm :: CP UART MODE if(((int_stat_val & MIDNO) == 0x04) // LGE_CHANGE_S [[email protected]] 2011-02-08 for 130K and 100K and 300K ?�??? CP UART�??�정 { || ((int_stat_val & MIDNO) == 0x03) || ((int_stat_val & MIDNO) == 0x07) // LGE_CHANGE_E [[email protected]] 2011-02-08 } || (hidden_menu_switching == 7)) { muic_CP_UART_set(); } // IDNO=0010? 56Kohm :: CP USB MODE else if (((int_stat_val & MIDNO ) == 0x02) || (hidden_menu_switching == 9)){ if (key_was_pressed == 2) muic_AP_UART_set(); else { // START [email protected] 2011/04/03 LAB1_FW : STOP_ENTERING_EARLYSUSPEND_STATE for factory test { if( usb_swiched_thru_factory_cmd ) { printk(KERN_INFO "[MUIC] AP_USB because usb_swiched_thru_factory_cmd==1\n"); muic_AP_USB_set(); } else // END [email protected] 2011/04/03 LAB1_FW } { muic_CP_USB_set(); } } } // LGE_UPDATE_S [[email protected]] 2010-12-12, for 910K factory download // IDNO=1010? 910Kohm :: CP USB MODE #ifdef CABLE_DETECT_910K else if ((int_stat_val & MIDNO ) == 0x0a) { muic_CP_USB_set(); } else if ((int_stat_val & MIDNO ) == 0x09) { muic_CP_USB_set(); } #endif // CHGDET=1? :: HIGH CURRENT USB or TA? else if (int_stat_val & MCHGDET) { muic_distinguish_charger(); } // VBUS=1? :: TA or AP USB? else if (int_stat_val & MVBUS) { if (muic_device == MAX14526) { // COMP2 to H-Z / COMN1 to C1COMP (0x03=0x23) muic_i2c_write_byte(SW_CONTROL, 0x23); msleep(3); // Read STATUS_REG (0x05) muic_i2c_read_byte(STATUS, ®_value); if (reg_value & 0x01 ) { // Dedicated Charger(TA) Detected // COMP2 to H-Z / COMN1 to H-Z (0x03=0x24) muic_i2c_write_byte(SW_CONTROL, DP_OPEN | DM_OPEN); charging_ic_set_ta_mode(); muic_mode = MUIC_NA_TA; printk(KERN_WARNING "[MUIC] Charger detected\n"); } else { // USB Detected if (key_was_pressed == 2) muic_CP_USB_set(); else muic_AP_USB_set(); } } else { // USB Detected if (key_was_pressed == 2) muic_CP_USB_set(); else { muic_AP_USB_set(); } } } else { // Accessory Not Supported muic_mode = MUIC_NONE; } key_was_pressed = 0; }
/* Distinguish charger type.
* This function is called *ONLY IF* INT_STAT's CHGDET == 1, i.e., a charger is detected.
*
* Chargers becomes to use the default MUIC setting
* because the detection always happens only after the MUIC_NONE mode
* which leads the default MUIC setting.
* Thus, we don't need to explictly set MUIC registers here.
*/
s32 muic_distinguish_charger(void){
s32 ret = 0;
/* Enable charger IC in TA mode */
charging_ic_set_ta_mode();
/* Connect AP UART to MUIC UART */
dp3t_switch_ctrl(DP3T_AP_UART);
/*
* LGE_UPDATE 20110425 [[email protected]] change IDNO for detecting LG_TA
*
* IDNO == 0x05(0101) 180 KOhm. LG TA : Standard usb cable
* IDNO == 0x06(0110) 240 KOhm. LG TA : Docomo accessaary usb cable
* IDNO == 0x0b(1011) OPEN. TA charger
* There is no ADC value of MUIC table for 220KOhm
* so, we need to double check 180 KOhm and 220 KOhm
*/
if ((int_stat_val & MIDNO) == 0x05 || (int_stat_val & MIDNO) == 0x06 || (int_stat_val & MIDNO) == 0x0b) {
muic_mode = MUIC_LG_TA;
printk(KERN_WARNING "[MUIC] muic_distinguish_charger(): MUIC_LG_TA\n");
set_wakelock(0);
return ret;
}
if (muic_device == MAX14526) {
/* Prepare for reading charger type */
ret = muic_i2c_write_byte(CONTROL_2, MINT_EN | MCHG_TYP);
/* LGE_UPDATE_S [[email protected]] 2010-12-01, interrupt clear in TA detection */
msleep(70);
ret = muic_i2c_read_byte(INT_STAT, &status_val);
/* LGE_UPDATE_E [[email protected]] 2010-12-01, interrupt clear in TA detection */
}
/* Read STATUS */
ret = muic_i2c_read_byte(STATUS, &status_val);
if (ret < 0) {
printk(KERN_INFO "[MUIC] STATUS reading failed\n");
muic_mode = MUIC_UNKNOWN;
key_was_pressed = 0; // from HUB
set_wakelock(0);
return ret;
}
printk(KERN_INFO "[MUIC] STATUS = %x\n", status_val);
/* DCPORT == 1. Dedicated Charger */
if ((status_val & MDCPORT) != 0) {
muic_mode = MUIC_NA_TA;
printk(KERN_WARNING "[MUIC] muic_distinguish_charger(): MUIC_NA_TA\n");
}
/* CHPORT == 1. HCHH */
else if ((status_val & MCHPORT) != 0) {
muic_mode = MUIC_HCHH;
printk(KERN_WARNING "[MUIC] muic_distinguish_charger(): MUIC_HCHH\n");
}
/* DCPORT == 0 && CHPORT == 0. Definitely INVALID_CHG */
else {
muic_mode = MUIC_INVALID_CHG;
printk(KERN_WARNING "[MUIC] muic_distinguish_charger(): MUIC_INVALID_CHG\n");
}
set_wakelock(0);
return ret;
}
/* LGE_UPDATE_S [[email protected]] 2010-12-01, modify detection scheme */ static void muic_device_none_detect(void) { u8 reg_value; u8 status_value; s32 ret; if ((key_col == 3) && (key_row == 0)) // Volume up key_was_pressed = 1; else if ((key_col == 3) && (key_row == 1)) // Volume down key_was_pressed = 2; printk(KERN_WARNING "[MUIC] Device_None_Detect int_stat_val = 0x%x\n",int_stat_val); /* LGE_CHANGE_S [[email protected]] 2010-12-14, CP retain mode */ #ifdef CP_RETAIN if (is_cp_retained) { //muic_CP_USB_set(); muic_set_mode(MUIC_CP_USB); } // IDNO=0100? 130Kohm :: CP UART MODE else if(((int_stat_val & MIDNO) == 0x04) || (hidden_menu_switching == 7)) { /* LGE_CHANGE_E [[email protected]] 2011-01-06, CP retain mode */ #elif defined(USB_RETAIN) /* 2012.05.15, [email protected], USB retain mode. */ ret = muic_i2c_read_byte_local(INT_STAT, &status_value); if(ret < 0) printk("[MUIC] [%s-%d] muic_i2c_read_byte_local Fail [ret = %d]\n", __func__, __LINE__, ret); else printk("[MUIC] [%s-%d] INT_STAT Value is 0x%x / MVBUS bit is %d\n", __func__, __LINE__, status_value, ((status_value & MVBUS) >> 4)); if (usb_retained == CP_RETAINED) { //muic_CP_USB_set(); if((status_value & MVBUS)) { printk("[MUIC] [%s-%d] muic_set_mode(MUIC_CP_USB)\n", __func__, __LINE__); muic_set_mode(MUIC_CP_USB); } } else if (usb_retained == AP_RETAINED) { //muic_AP_USB_set(); if((status_value & MVBUS)) { printk("[MUIC] [%s-%d] muic_set_mode(MUIC_AP_USB)\n", __func__, __LINE__); muic_set_mode(MUIC_AP_USB); } } // IDNO=0100? 130Kohm :: CP UART MODE else if(((int_stat_val & MIDNO) == 0x04) || (hidden_menu_switching == 7)) { #else if(((int_stat_val & MIDNO) == 0x04) || (hidden_menu_switching == 7)) { #endif //muic_CP_UART_set(); muic_set_mode(MUIC_CP_UART); // [email protected] } // IDNO=0010? 56Kohm :: CP USB MODE else if (((int_stat_val & MIDNO ) == 0x02) || (hidden_menu_switching == 9)){ if (key_was_pressed == 2) //muic_AP_UART_set(); muic_set_mode(MUIC_AP_UART); // [email protected] else //muic_CP_USB_set(); muic_set_mode(MUIC_CP_USB); // [email protected] } // LGE_UPDATE_S [[email protected]] 2010-12-12, for 910K factory download // IDNO=1010? 910Kohm :: CP USB MODE #ifdef CABLE_DETECT_910K else if ((int_stat_val & MIDNO ) == 0x0a) { //muic_CP_USB_set(); muic_set_mode(MUIC_CP_USB); // [email protected] } else if ((int_stat_val & MIDNO ) == 0x09) { //muic_CP_USB_set(); muic_set_mode(MUIC_CP_USB); // [email protected] } #endif #if 0 // CHGDET=1? :: HIGH CURRENT USB or TA? else if (int_stat_val & MCHGDET) { muic_distinguish_charger(); } #endif // VBUS=1? :: TA or AP USB? else if (int_stat_val & MVBUS) { if (muic_device == MAX14526) { // COMP2 to H-Z / COMN1 to C1COMP (0x03=0x23) muic_i2c_write_byte_local(SW_CONTROL, 0x23); msleep(3); // Read STATUS_REG (0x05) muic_i2c_read_byte_local(STATUS, ®_value); if (reg_value & 0x01 ) { // Dedicated Charger(TA) Detected // COMP2 to H-Z / COMN1 to H-Z (0x03=0x24) muic_i2c_write_byte_local(SW_CONTROL, DP_OPEN | DM_OPEN); charging_ic_set_ta_mode(); muic_mode = MUIC_NA_TA; muic_set_mode(MUIC_NA_TA); // [email protected] 20120502 MUIC re-work printk(KERN_WARNING "[MUIC] Charger detected\n"); } else if (reg_value & 0x80 ) { // Dedicated Charger(TA) Detected muic_i2c_write_byte_local(SW_CONTROL, DP_OPEN | DM_OPEN); charging_ic_set_ta_mode(); muic_mode = MUIC_NA_TA; muic_set_mode(MUIC_NA_TA); printk(KERN_WARNING "[MUIC] NA_TA Charger detected\n"); } else if (reg_value & 0x40 ) { // Dedicated Charger(TA) Detected muic_i2c_write_byte_local(SW_CONTROL, DP_OPEN | DM_OPEN); charging_ic_set_ta_mode(); muic_mode = MUIC_LG_TA; muic_set_mode(MUIC_LG_TA); printk(KERN_WARNING "[MUIC] LG_TA Charger detected\n"); } else { // USB Detected // LGE_UPDATE_S 20110521 [[email protected]] block CP usb for commercial version #if 0 if (key_was_pressed == 2) //muic_CP_USB_set(); muic_set_mode(MUIC_CP_USB); // [email protected] else #endif /* #if 0 */ // LGE_UPDATE_S 20110521 [[email protected]] block CP usb for commercial version //muic_AP_USB_set(); muic_set_mode(MUIC_AP_USB); // [email protected] } } else { // USB Detected // LGE_UPDATE_S 20110521 [[email protected]] block CP usb for commercial version #if 0 if (key_was_pressed == 2) //muic_CP_USB_set(); muic_set_mode(MUIC_CP_USB); // [email protected] else #endif /* #if 0 */ // LGE_UPDATE_S 20110521 [[email protected]] block CP usb for commercial version //muic_AP_USB_set(); muic_set_mode(MUIC_AP_USB); // [email protected] } } else { // Accessory Not Supported muic_mode = MUIC_NONE; } key_was_pressed = 0; } s32 muic_device_detection(s32 upon_irq) { /* LGE_CHANGE_START 2011-03-16 [email protected] patch for Adb offline set and Mass Storage Driver detecting fail */ /* 20110113 [email protected] check muic driver init. state [START] */ if(!muic_init_done){ printk(KERN_WARNING "[MUIC] MUIC has not been initialized! Nothing will be done!!!.\n"); return 0; } /* 20110113 [email protected] check muic driver init. state [END] */ /* LGE_CHANGE_END 2011-03-16 [email protected] */ // Read INT_STAT_REG (0x04) muic_i2c_read_byte_local(INT_STAT, &int_stat_val); printk(KERN_INFO "[MUIC] INT_STAT = %x\n", int_stat_val); switch (muic_mode) { case MUIC_NONE: case MUIC_UNKNOWN: muic_device_none_detect(); break; // CP UART Mode case MUIC_CP_UART: case MUIC_AP_UART: if ((int_stat_val & MIDNO) == 0x0b) { muic_mode = MUIC_NONE; } else { muic_device_none_detect(); } break; // TA Mode case MUIC_NA_TA: case MUIC_LG_TA: case MUIC_TA_1A: case MUIC_INVALID_CHG: if ((int_stat_val & MVBUS) == 0) { // Exit Charger Mode muic_mode = MUIC_NONE; } else { // Bug fix: charger detect interrupt 2 times set_wakelock(0); } break; // USB Mode case MUIC_AP_USB: android_USB_disconnect(); // for usb disconnect event case MUIC_CP_USB: if ((int_stat_val & MVBUS) == 0){ // Exit USB Mode muic_mode = MUIC_NONE; } else { muic_device_none_detect(); } break; default: muic_mode = MUIC_NONE; break; } if (muic_mode == MUIC_NONE) { muic_initialize(DEFAULT); printk(KERN_INFO "[MUIC] muic none\n"); charging_ic_deactive(); printk(KERN_INFO "[MUIC] charging_ic_deactive()\n"); muic_set_mode(MUIC_NONE); // [email protected] 20120502 MUIC re-work } charger_state_update_by_other(); return 0; } EXPORT_SYMBOL(muic_device_detection); /* LGE_UPDATE_E [[email protected]] 2010-12-01, modify detection scheme */ static void muic_wq_func(struct work_struct *muic_wq){ s32 ret = 0; printk(KERN_INFO "[MUIC] muic_wq_func()\n"); ret = muic_device_detection(UPON_IRQ); }
static int set_battery_charging(struct twl4030_bci_device_info *di)
{
int trickle_chg_max, trickle_chg_min, trickle_chg_timer_start;
max8922_status chr_ic_status = get_charging_ic_status();
if(di->battery_present == 0 || // No Battery State
di->charge_rsoc == POWER_SUPPLY_TYPE_BATTERY) { // No Charging Source
start_monitor = 0;
set_end_of_charge(0);
set_charging_timer(0);
return 0;
}
/*
* Recharging algorithm
* - High Temperature : up to 4.0V
* - Normal : up to 4.2V
*/
// Set maximum charging voltage
if((di->temp_C < TEMP_CRITICAL_LOWER ||
di->temp_C > TEMP_CRITICAL_UPPER) && // Critical Temperature! Must stop charging
di->temp_control != UNLIMITED_TEMP_VAL){ // 20120725, [email protected], Enable charging by fake mode.
start_monitor = 0;
set_end_of_charge(0);
set_charging_timer(0);
if (di->battery_present == 1)
charging_ic_deactive();
return 0;
} else if(di->temp_C < TEMP_LIMIT_LOWER ||
di->temp_C > TEMP_LIMIT_UPPER) { // Charging Limit
trickle_chg_max = 4000;
trickle_chg_timer_start = 3950;
trickle_chg_min = 3900;
} else { // Normal Charging
trickle_chg_max = 4220; // to unintentional charging stop
trickle_chg_timer_start = 4197;
trickle_chg_min = 4140;
if((di->previous_temp_C < TEMP_LIMIT_LOWER ||
di->previous_temp_C > TEMP_LIMIT_UPPER) &&
di->temp_control != UNLIMITED_TEMP_VAL) { // 20120725, [email protected], Enable charging by fake mode.
start_monitor = 0;
set_end_of_charge(0);
set_charging_timer(0);
}
}
// Deactive charger for protect overcharge & monitoring
if(chr_ic_status != CHARGING_IC_DEACTIVE) {
if(/*di->voltage_uV >= trickle_chg_max ||*/ charging_timeout() || end_of_charge) {
// Battery Full Charged Once. Entering Trickle Charging Mode
if(!charging_timeout()) // Do not stop charging when timeout occured
charging_ic_deactive(); // It's not actually charged full.
set_charging_timer(0);
set_end_of_charge(0);
if(start_monitor == 0) {
printk(KERN_DEBUG "[Battery] Trickle Charging Start!\n");
start_monitor = 1;
}
} else if(di->voltage_uV >= trickle_chg_timer_start) {
set_charging_timer(1);
}
} else if(di->voltage_uV < trickle_chg_min) { // active charger for recharging
switch(di->charge_rsoc) {
case POWER_SUPPLY_TYPE_MAINS:
charging_ic_set_ta_mode();
break;
case POWER_SUPPLY_TYPE_USB:
charging_ic_set_usb_mode();
break;
case POWER_SUPPLY_TYPE_UPS:
charging_ic_set_factory_mode();
break;
default:
break;
}
}
return 0;
}
/* Distinguish charger type.
* This function is called *ONLY IF* INT_STAT's CHGDET == 1, i.e., a charger is detected.
*
* Chargers becomes to use the default MUIC setting
* because the detection always happens only after the MUIC_NONE mode
* which leads the default MUIC setting.
* Thus, we don't need to explictly set MUIC registers here.
*/
s32 muic_distinguish_charger(void){
s32 ret = 0;
/* Enable charger IC in TA mode */
charging_ic_set_ta_mode();
/* Connect CP UART signals to AP */
//usif_switch_ctrl(USIF_DP3T);
/* Connect AP UART to MUIC UART */
//dp3t_switch_ctrl(DP3T_AP_UART); // [email protected]
/* IDNO == 0x05 180K. LG TA */
if ((int_stat_val & MIDNO) == 0x05 || (int_stat_val & MIDNO) == 0x0b) {
muic_mode = MUIC_LG_TA;
muic_set_mode(MUIC_LG_TA); // [email protected] 20120502 MUIC re-work
printk(KERN_WARNING "[MUIC] muic_distinguish_charger(): MUIC_LG_TA\n");
set_wakelock(0);
return ret;
}
if (muic_device == MAX14526) {
/* Prepare for reading charger type */
ret = muic_i2c_write_byte_local(CONTROL_2, MINT_EN | MCHG_TYP);
/* LGE_UPDATE_S [[email protected]] 2010-12-01, interrupt clear in TA detection */
msleep(70);
ret = muic_i2c_read_byte_local(INT_STAT, &status_val);
/* LGE_UPDATE_E [[email protected]] 2010-12-01, interrupt clear in TA detection */
}
/* Read STATUS */
ret = muic_i2c_read_byte_local(STATUS, &status_val);
if (ret < 0) {
printk(KERN_INFO "[MUIC] STATUS reading failed\n");
muic_mode = MUIC_UNKNOWN;
muic_set_mode(MUIC_UNKNOWN); // [email protected] 20120502 MUIC re-work
set_wakelock(0);
return ret;
}
printk(KERN_INFO "[MUIC] STATUS = %x\n", status_val);
/* DCPORT == 1. Dedicated Charger */
if ((status_val & MDCPORT) != 0) {
muic_mode = MUIC_NA_TA;
muic_set_mode(MUIC_NA_TA); // [email protected] 20120502 MUIC re-work
printk(KERN_WARNING "[MUIC] muic_distinguish_charger(): MUIC_NA_TA\n");
}
/* CHPORT == 1. HCHH */
else if ((status_val & MCHPORT) != 0) {
muic_mode = MUIC_TA_1A;
muic_set_mode(MUIC_TA_1A); // [email protected] 20120502 MUIC re-work
printk(KERN_WARNING "[MUIC] muic_distinguish_charger(): MUIC_TA_1A\n");
}
/* DCPORT == 0 && CHPORT == 0. Definitely INVALID_CHG */
else {
muic_mode = MUIC_INVALID_CHG;
muic_set_mode(MUIC_INVALID_CHG); // [email protected] 20120502 MUIC re-work
printk(KERN_WARNING "[MUIC] muic_distinguish_charger(): MUIC_INVALID_CHG\n");
}
set_wakelock(0);
return ret;
}
/* LGE_UPDATE_S [[email protected]] 2010-12-01, modify detection scheme */ static void muic_device_none_detect(void) { u8 reg_value; u8 status_value; s32 ret; if ((key_col == 1) && (key_row == 1)) // Volume up key_was_pressed = 1; else if ((key_col == 1) && (key_row == 2)) // Volume down key_was_pressed = 2; printk(KERN_WARNING "[MUIC] Device_None_Detect int_stat_val = 0x%x\n",int_stat_val); /* LGE_CHANGE_S [[email protected]] 2010-12-14, CP retain mode */ #ifdef CP_RETAIN if (is_cp_retained) { //muic_CP_USB_set(); muic_set_mode(MUIC_CP_USB); } else /* LGE_CHANGE_E [[email protected]] 2011-01-06, CP retain mode */ #elif defined(USB_RETAIN) /* 2012.05.15, [email protected], USB retain mode. */ ret = muic_i2c_read_byte_local(INT_STAT, &status_value); if(ret < 0) printk("[MUIC] [%s-%d] muic_i2c_read_byte_local Fail [ret = %d]\n", __func__, __LINE__, ret); else printk("[MUIC] [%s-%d] INT_STAT Value is 0x%x / MVBUS bit is %d\n", __func__, __LINE__, status_value, ((status_value & MVBUS) >> 4)); if (usb_retained == CP_RETAINED) { //muic_CP_USB_set(); if((status_value & MVBUS)) { printk("[MUIC] [%s-%d] muic_set_mode(MUIC_CP_USB)\n", __func__, __LINE__); muic_set_mode(MUIC_CP_USB); } } else if (usb_retained == AP_RETAINED) { //muic_AP_USB_set(); if((status_value & MVBUS)) { printk("[MUIC] [%s-%d] muic_set_mode(MUIC_AP_USB)\n", __func__, __LINE__); muic_set_mode(MUIC_AP_USB); } } else #endif // IDNO=0100? 130Kohm :: CP UART MODE if(((int_stat_val & MIDNO) == 0x04) // LGE_CHANGE_S [[email protected]] 2011-02-08 for 130K and 100K and 300K ?�??? CP UART�??�정 { || ((int_stat_val & MIDNO) == 0x03) || ((int_stat_val & MIDNO) == 0x07) // LGE_CHANGE_E [[email protected]] 2011-02-08 } || (hidden_menu_switching == 7)) { //muic_CP_UART_set(); muic_set_mode(MUIC_CP_UART); // [email protected] } // IDNO=0010? 56Kohm :: CP USB MODE else if (((int_stat_val & MIDNO ) == 0x02) || (hidden_menu_switching == 9)){ if (key_was_pressed == 2) //muic_AP_UART_set(); muic_set_mode(MUIC_AP_UART); // [email protected] else { // START [email protected] 2011/04/03 LAB1_FW : STOP_ENTERING_EARLYSUSPEND_STATE for factory test { if( usb_swiched_thru_factory_cmd ) { printk(KERN_INFO "[MUIC] AP_USB because usb_swiched_thru_factory_cmd==1\n"); //muic_AP_USB_set(); muic_set_mode(MUIC_AP_USB); } else // END [email protected] 2011/04/03 LAB1_FW } { //muic_CP_USB_set(); muic_set_mode(MUIC_CP_USB); } } } // LGE_UPDATE_S [[email protected]] 2010-12-12, for 910K factory download // IDNO=1010? 910Kohm :: CP USB MODE #ifdef CABLE_DETECT_910K else if ((int_stat_val & MIDNO ) == 0x0a) { //muic_CP_USB_set(); muic_set_mode(MUIC_CP_USB); // [email protected] } else if ((int_stat_val & MIDNO ) == 0x09) { //muic_CP_USB_set(); muic_set_mode(MUIC_CP_USB); // [email protected] } #endif // CHGDET=1? :: HIGH CURRENT USB or TA? #if 0 //[120712-start] [email protected] when is high current input usb, for usb connected. else if (int_stat_val & MCHGDET) { muic_distinguish_charger(); } #endif //[120712-end] [email protected] when is high current input usb, for usb connected. // VBUS=1? :: TA or AP USB? else if (int_stat_val & MVBUS) { if (muic_device == MAX14526) { // COMP2 to H-Z / COMN1 to C1COMP (0x03=0x23) muic_i2c_write_byte_local(SW_CONTROL, 0x23); msleep(3); // Read STATUS_REG (0x05) muic_i2c_read_byte_local(STATUS, ®_value); if (reg_value & 0x01 ) { // Dedicated Charger(TA) Detected // COMP2 to H-Z / COMN1 to H-Z (0x03=0x24) muic_i2c_write_byte_local(SW_CONTROL, DP_OPEN | DM_OPEN); charging_ic_set_ta_mode(); muic_mode = MUIC_NA_TA; muic_set_mode(MUIC_NA_TA); // [email protected] 20120502 MUIC re-work printk(KERN_WARNING "[MUIC] Charger detected\n"); } else { // USB Detected if (key_was_pressed == 2) //muic_CP_USB_set(); muic_set_mode(MUIC_CP_USB); // [email protected] else //muic_AP_USB_set(); muic_set_mode(MUIC_AP_USB); // [email protected] } } else { //[120712-start] [email protected] when is high current input usb, for usb connected. // Read STATUS_REG (0x05) muic_i2c_read_byte_local(STATUS, ®_value); printk(KERN_WARNING "[MUIC] STATUS == 0x%x\n", reg_value); if (reg_value & 0x80 ) { // Dedicated Charger(TA) Detected muic_i2c_write_byte_local(SW_CONTROL, DP_OPEN | DM_OPEN); charging_ic_set_ta_mode(); muic_mode = MUIC_NA_TA; muic_set_mode(MUIC_NA_TA); printk(KERN_WARNING "[MUIC] NA_TA Charger detected\n"); } else if (reg_value & 0x40 ) { // Dedicated Charger(TA) Detected muic_i2c_write_byte_local(SW_CONTROL, DP_OPEN | DM_OPEN); charging_ic_set_ta_mode(); muic_mode = MUIC_LG_TA; muic_set_mode(MUIC_LG_TA); printk(KERN_WARNING "[MUIC] LG_TA Charger detected\n"); } else { // USB Detected if (key_was_pressed == 2) //muic_CP_USB_set(); muic_set_mode(MUIC_CP_USB); // [email protected] else { //muic_AP_USB_set(); muic_set_mode(MUIC_AP_USB); // [email protected] } } //[120712-end] [email protected] when is high current input usb, for usb connected. } } else { // Accessory Not Supported muic_mode = MUIC_NONE; } key_was_pressed = 0; }
