s32 muic_CP_USB_set(void){
s32 ret;
/* 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] */
// LGE_UPDATE_S 20110411 [[email protected]] force D+/D- open in CP side
ret = muic_i2c_write_byte_local(SW_CONTROL, DP_OPEN | DM_OPEN);
muic_udelay(100000);
if(ret < 0)
printk(KERN_WARNING "[MUIC] i2c write error for D+/D- open in muic_CP_USB_SET\n");
// LGE_UPDATE_E 20110411 [[email protected]] force D+/D- open in CP side
/* Connect CP UART signals to AP */
//usif_switch_ctrl(USIF_AP);
/* Connect CP USB to MUIC UART */
//dp3t_switch_ctrl(DP3T_CP_USB); // [email protected]
if (muic_device == MAX14526) {
/* ID_200, VLDO 2.6V, ADC is auto.
* USB 2.0 also needs the charge pump (CP_EN) on.*/
ret = muic_i2c_write_byte_local(CONTROL_1, MID_200 | MADC_EN | MCP_EN);
}
else {
ret = muic_i2c_write_byte_local(SW_CONTROL, DP_OPEN | DM_OPEN);
/* ID_200, VLDO 2.6V, SEMREN on. ADC is auto.
* USB 2.0 also needs the charge pump (CP_EN) on.*/
ret = muic_i2c_write_byte_local(CONTROL_1, MID_200 | MSEMREN | MCP_EN);
}
/* Connect DP, DM to UART_TX, UART_RX*/
ret = muic_i2c_write_byte_local(SW_CONTROL, DP_UART | DM_UART);
/* Turn on charger IC with FACTORY mode */
charging_ic_set_factory_mode();
muic_mode = MUIC_CP_USB;
printk(KERN_ERR "[MUIC] muic_distinguish_vbus_accessory(): CP_USB\n");
/* wake lock for the factory mode */
set_wakelock(1);
return ret;
}
s32 muic_CP_USB_set(void){
s32 ret;
/* 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] */
// LGE_UPDATE_S 20110411 [[email protected]] force D+/D- open in CP side
ret = muic_i2c_write_byte(SW_CONTROL, DP_OPEN | DM_OPEN);
muic_udelay(100000);
if(ret < 0)
printk(KERN_WARNING "[MUIC] i2c write error for D+/D- open in muic_CP_USB_SET\n");
// LGE_UPDATE_E 20110411 [[email protected]] force D+/D- open in CP side
/* Connect CP UART signals to AP */
/* CP <-> USIF_AP ?�결??CP ?�운로드 Fail 발생 */
usif_switch_ctrl(USIF_DP3T);
/* Connect CP USB to MUIC UART */
dp3t_switch_ctrl(DP3T_CP_USB);
if (muic_device == MAX14526) {
/* ID_200, VLDO 2.6V, ADC is auto.
* USB 2.0 also needs the charge pump (CP_EN) on.*/
ret = muic_i2c_write_byte(CONTROL_1, MID_200 | MADC_EN | MCP_EN);
}
else {
if( MUIC_CP_USB != muic_mode ) {
/* ID_200, VLDO 2.6V, SEMREN on. ADC is auto.
* USB 2.0 also needs the charge pump (CP_EN) on.*/
ret = muic_i2c_write_byte(CONTROL_1, MID_200 | MSEMREN | MCP_EN);
}
}
ret = muic_i2c_write_byte(SW_CONTROL, DP_USB | DM_USB);
// S [email protected] ; add for charging mode when CP USB is slected
int check_battery_present();
if(check_battery_present()==1)
charging_ic_set_usb_mode();
else
charging_ic_set_factory_mode();
// E [email protected] ; add for charging mode when CP USB is slected
muic_mode = MUIC_CP_USB;
printk(KERN_ERR "[MUIC] muic_distinguish_vbus_accessory(): CP_USB\n");
// START [email protected] 2011/03/03 LAB1_FW : WAKELOCK_CASE_AT_CP_USB : Ref from LU3000 {
if ( reset_status == 2 /* RESET_GLOBAL_SW_RESET */ ) {
// If muic path is CP_USB, Reset cause is SW_RESET then WakeLock AP
// wake lock for the factory mode
if(0==the_wlock.wake_lock_on){
wake_lock(&the_wlock.wake_lock);
the_wlock.wake_lock_on=1;
printk(KERN_WARNING "[MUIC] ====^^==== wake_lock_on=1 (locked)\n");
}
}
else {
/* wake lock off for the factory mode */
set_wakelock(0);
}
// END [email protected] 2011/03/03 LAB1_FW }
return ret;
}
s32 muic_AP_USB_set(void){
s32 ret;
/* 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] */
if(hidden_menu_switching == 8) // if USB mode change AP_USB through Proc filesystem, force D+/D- open
{
ret = muic_i2c_write_byte(SW_CONTROL, DP_OPEN | DM_OPEN);
muic_udelay(100000);
if(ret < 0)
printk(KERN_WARNING "[MUIC] i2c write error for D+/D- open in muic_CP_USB_SET\n");
}
/* Justin?�서 AP_UART�??�정??AP_USB ?�작 ?�함 */
dp3t_switch_ctrl(DP3T_NC);
if (muic_device == MAX14526) {
/* ID_200, VLDO 2.6V, ADC Enable,
* USB 2.0 also needs the charge pump (CP_EN) on.*/
ret = muic_i2c_write_byte(CONTROL_1, MID_200 | MADC_EN | MCP_EN);
}
else {
// START [email protected] 2011/03/10 LAB1_FW {
if( MUIC_AP_USB != muic_mode )
{
ret = muic_i2c_write_byte(SW_CONTROL, DP_OPEN | DM_OPEN);
/* ID_200, VLDO 2.6V, SEMREN on. ADC is auto.
* USB 2.0 also needs the charge pump (CP_EN) on.*/
ret = muic_i2c_write_byte(CONTROL_1, MID_200 | MSEMREN | MCP_EN);
}
// END [email protected] 2011/03/10 LAB1_FW }
}
/* Connect DP, DM to USB_DP, USB_DM */
ret = muic_i2c_write_byte(SW_CONTROL, DP_USB | DM_USB);
/* Turn on charger IC with TA mode */
charging_ic_set_usb_mode();
muic_mode = MUIC_AP_USB;
printk(KERN_WARNING "[MUIC] muic_distinguish_vbus_accessory(): AP_USB\n");
/* wake lock for usb connection */
set_wakelock(1);
// check_usb_reg(); /* 20111105, [email protected], for stable USB connection. */
return ret;
}
void set_max14526_muic_mode(unsigned char int_stat_value)
{
unsigned char reg_value;
printk(KERN_WARNING "[MUIC] set_max14526_muic_mode, int_stat_value = 0x%02x \n", int_stat_value);
if (int_stat_value & V_VBUS) {
if ((int_stat_value & IDNO) == IDNO_0010 ||
(int_stat_value & IDNO) == IDNO_1001 ||
(int_stat_value & IDNO) == IDNO_1010) {
set_max14526_cp_usb_mode();
muic_mode = MUIC_CP_USB;
charging_mode = CHARGING_FACTORY;
} else if ((int_stat_value & IDNO) == IDNO_0100) {
set_max14526_cp_uart_mode();
muic_mode = MUIC_CP_UART;
charging_mode = CHARGING_FACTORY;
#if defined(CONFIG_MHL_TX_SII9244)
} else if ((int_stat_value & IDNO) == IDNO_0000) {
muic_set_mhl_mode_detect();
muic_mode = MUIC_MHL;
charging_mode = CHARGING_MHL;
#endif
} else if (int_stat_value & CHGDET) {
muic_i2c_write_byte(SW_CONTROL, COMP2_TO_HZ | COMN1_TO_HZ);
muic_mode = MUIC_LG_TA;
charging_mode = CHARGING_LG_TA;
} else {
muic_i2c_write_byte(SW_CONTROL, COMP2_TO_HZ | COMN1_TO_C1COMP);
muic_mdelay(2);
muic_i2c_read_byte(STATUS, ®_value);
if (reg_value & C1COMP) {
muic_i2c_write_byte(SW_CONTROL, COMP2_TO_HZ | COMN1_TO_HZ);
muic_mode = MUIC_LG_TA;
charging_mode = CHARGING_LG_TA;
} else {
set_max14526_ap_usb_mode();
muic_mode = MUIC_AP_USB;
charging_mode = CHARGING_USB;
}
}
} else {
if ((int_stat_value & IDNO) == IDNO_0010) {
set_max14526_ap_uart_mode();
muic_mode = MUIC_AP_UART;
charging_mode = CHARGING_NONE;
} else if ((int_stat_value & IDNO) == IDNO_0100) {
set_max14526_cp_uart_mode();
muic_mode = MUIC_CP_UART;
charging_mode = CHARGING_NONE;
} else {
muic_mode = MUIC_UNKNOWN;
charging_mode = CHARGING_NONE;
}
}
#if 0
if(retain_mode == BOOT_CP_USB){
set_max14526_cp_usb_mode_detect();
}if ((int_stat_value & IDNO) == IDNO_0100 || (int_stat_value == 0x11)) { /* 0x11 for Special Test with MIC */
/* IDNO=0100? 130Kohm :: UART_MODE */
set_max14526_cp_uart_mode_detect();
} else if ((int_stat_value & IDNO ) == IDNO_0010) {
/* IDNO=0010? 56Kohm :: USB_MODE */
set_max14526_ap_uart_mode_detect();
#if defined(CONFIG_MHL_TX_SII9244)
} else if (int_stat_value == 0x10) {
/* IDNO=0000? 0Kohm :: MHL_MODE */
muic_set_mhl_mode_detect();
#else
} else if ((int_stat_value == 0x11) || (int_stat_value == 0x10)) {
//Set_MAX14526_SpecialTest_Mode_Detect();
#endif//
} else if ((int_stat_value & IDNO) == IDNO_1010) {
set_max14526_cp_usb_mode_detect();
} else if (int_stat_value & CHGDET) {
/* CHGDET=1? */
set_max14526_charger_detect(int_stat_value);
} else if (int_stat_value & V_VBUS) {
/* V_VBUS=1? */
/* Standard USB Host Detected (0x03=0x23) */
muic_i2c_write_byte(SW_CONTROL, COMP2_TO_HZ | COMN1_TO_C1COMP);
muic_udelay(1000);
/* Read Status Reigster(0x05) */
muic_i2c_read_byte(STATUS, ®_value);
if (reg_value & C1COMP) {
/* Charger Detected COMP2/COMN1 to H-Z (0x03=0x24) */
muic_i2c_write_byte(SW_CONTROL, COMP2_TO_HZ | COMN1_TO_HZ);
/* Dedicated Charger(TA) Detected */
muic_mode = MUIC_NA_TA;
} else {
/* Turn on USB switches */
#if defined(CONFIG_MHL_TX_SII9244)
if ((int_stat_value & IDNO ) == IDNO_0000) {
muic_set_mhl_mode_detect();
} else {
///* Standard USB Host Detected (0x03=0x23) */
set_max14526_ap_usb_mode_detect();
muic_mode = MUIC_AP_USB;
}
#else
set_max14526_ap_usb_mode_detect();
muic_mode = MUIC_AP_USB;
#endif//
}
} else if ((int_stat_value & IDNO) == IDNO_0001) {
/* Vidoe Cable 24k registor Detected - No TV Attached */
//muic_mode = DEVICE_VIDEO_CABLE_NO_LOAD;
} else if ((int_stat_value & IDNO) == IDNO_0000 ) {
muic_mode = MUIC_NONE;
} else {
/* Accessory Not Supported */
muic_mode = MUIC_NONE;
}
#endif
}
s32 muic_max14526_detect_accessory(s32 upon_irq)
{
s32 ret = 0;
int loop = 0;
u8 int_stat_value;
/* Upon an MUIC IRQ (MUIC_INT_N falls),
* wait 70ms before reading INT_STAT and STATUS.
* After the reads, MUIC_INT_N returns to high
* (but the INT_STAT and STATUS contents will be held).
*
* Do this only if muic_max14526_detect_accessory() was called upon IRQ. */
if (upon_irq) {
for (; loop < 250; loop++)
muic_udelay(1000);
}
/* Reads INT_STAT */
ret = muic_i2c_read_byte(INT_STAT, &int_stat_value);
if (ret < 0) {
printk(KERN_INFO "[chahee.kim] INT_STAT reading failed\n");
muic_mode = MUIC_UNKNOWN;
return ret;
}
printk(KERN_INFO "[chahee.kim] IDNO = %d\n", (int_stat_value & IDNO));
muic_mode = int_stat_value & IDNO;
/* Branches according to the previous muic_mode */
switch (muic_mode) {
/* MUIC_UNKNOWN is reached in two cases both do not have nothing to do with IRQ.
* First, at the initialization time where the muic_mode is not available yet.
* Second, whenever the current muic_mode detection is failed.
*/
case MUIC_UNKNOWN :
/* If the previous muic_mode was MUIC_NONE,
* the only possible condition for a MUIC IRQ is plugging in an accessory.
*/
case MUIC_NONE :
set_max14526_muic_mode(int_stat_value);
break;
/* If the previous muic_mode was MUIC_NA_TA, MUIC_LG_TA, MUIC_TA_1A, MUIC_INVALID_CHG,
* MUIC_AP_UART, MUIC_CP_UART, MUIC_AP_USB, MUIC_OTG, or MUIC_CP_USB,
* the only possible condition for a MUIC IRQ is plugging out the accessory.
*
* In this case, initialize MUIC and wait an IRQ.
* We don't need to wait 250msec because this is not an erronous case
* (we need to reset the facility to set STATUS for an erronous case and
* have to wait 250msec) and, if this is not an erronous case, the facility
* was already initialized at the system booting.
*/
case MUIC_NA_TA:
case MUIC_TA_1A:
case MUIC_INVALID_CHG :
if ((int_stat_value & VBUS) == 0) {
// Exit Charger Mode
muic_mode = MUIC_NONE;
}else{
set_max14526_muic_mode(int_stat_value);
}
break;
case MUIC_LG_TA :
printk(KERN_WARNING "[chahee.kim] LG_TA");
if ((int_stat_value & CHGDET) == 0) {
muic_mode = MUIC_NONE;
}
else {
set_max14526_muic_mode(int_stat_value);
}
break;
case MUIC_AP_UART :
if ((int_stat_value & IDNO) == IDNO_1011) {
/* Exit Factory Mode */
muic_mode = MUIC_NONE;
}
else {
set_max14526_muic_mode(int_stat_value);
}
break;
case MUIC_AP_USB :
if ((int_stat_value & VBUS) == 0) {
/* USB Host Removed */
muic_mode = MUIC_NONE;
}else{
set_max14526_muic_mode(int_stat_value);
}
break;
default:
printk(KERN_WARNING "[chahee.kim] Failed to detect an accessory. Try again!\n");
#ifndef CHARGER_TEST
lge_charger_disable();
#endif
muic_mode = MUIC_UNKNOWN;
ret = -1;
break;
}
printk(KERN_WARNING "[chahee.kim] muic_max14526_detect_accessory, muic_mode = %d \n", muic_mode );
//if (muic_mode == MUIC_UNKNOWN || muic_mode == MUIC_NONE) {
// muic_init_max14526(DEFAULT);
// printk(KERN_INFO "[chahee.kim] charging_ic_deactive()\n");
//}
return ret;
}
void set_max14526_muic_mode(unsigned char int_stat_value)
{
unsigned char reg_value;
printk(KERN_WARNING "[chahee.kim] set_max14526_muic_mode, "
"int_stat_value = %x \n", int_stat_value);
if (int_stat_value & CHGDET) {
set_max14526_charger_mode(int_stat_value);
#ifndef CHARGER_TEST
lge_charger_ta_mode_enable();
#endif
}
else if (int_stat_value & VBUS) {
if ((int_stat_value & IDNO) == IDNO_0101) {
set_max14526_ap_usb_mode();
#ifndef CHARGER_TEST
lge_charger_usb_mode_enable();
#endif
}
else {
/* Standard USB Host Detected (0x03=0x23) */
muic_i2c_write_byte(SW_CONTROL, COMP2_TO_HZ | COMN1_TO_C1COMP);
muic_udelay(1000);
/* Read Status Reigster(0x05) */
muic_i2c_read_byte(STATUS, ®_value);
if (reg_value & C1COMP) {
/* Charger Detected COMP2/COMN1 to H-Z (0x03=0x24) */
muic_i2c_write_byte(SW_CONTROL, COMP2_TO_HZ | COMN1_TO_HZ);
/* Dedicated Charger(TA) Detected */
muic_mode = MUIC_NA_TA;
}
else {
/* Turn on USB switches */
set_max14526_ap_usb_mode();
#ifndef CHARGER_TEST
lge_charger_usb_mode_enable();
#endif
}
}
}
else if ((int_stat_value & IDNO) == IDNO_0010) {
//set_max14526_cp_usb_mode();
set_max14526_ap_uart_mode();
#ifndef CHARGER_TEST
lge_charger_disable();
#endif
}
else if ((int_stat_value & IDNO) == IDNO_0101) {
set_max14526_ap_uart_mode();
#ifndef CHARGER_TEST
lge_charger_disable();
#endif
}
else {
/* Accessory Not Supported */
muic_mode = MUIC_NONE;
muic_init_max14526(DEFAULT);
#ifndef CHARGER_TEST
lge_charger_disable();
#endif
}
}
s32 muic_max14526_detect_accessory(s32 upon_irq)
{
s32 ret = 0;
int loop = 0;
u8 int_stat_value;
if (upon_irq) {
for (; loop < 250; loop++)
muic_udelay(1000);
}
/* Reads INT_STAT */
ret = muic_i2c_read_byte(INT_STAT, &int_stat_value);
if (ret < 0) {
printk(KERN_INFO "[chahee.kim] INT_STAT reading failed\n");
muic_mode = MUIC_UNKNOWN;
return ret;
}
printk(KERN_INFO "[chahee.kim] IDNO = %d\n", (int_stat_value & IDNO));
muic_mode = int_stat_value & IDNO;
/* Branches according to the previous muic_mode */
switch (muic_mode) {
/* MUIC_UNKNOWN is reached in two cases both do not have nothing to do with IRQ.
* First, at the initialization time where the muic_mode is not available yet.
* Second, whenever the current muic_mode detection is failed.
*/
case MUIC_UNKNOWN :
/* If the previous muic_mode was MUIC_NONE,
* the only possible condition for a MUIC IRQ is plugging in an accessory.
*/
case MUIC_NONE :
set_max14526_muic_mode(int_stat_value);
break;
case MUIC_NA_TA:
case MUIC_TA_1A:
case MUIC_INVALID_CHG :
if ((int_stat_value & VBUS) == 0) {
muic_mode = MUIC_NONE;
}else{
set_max14526_muic_mode(int_stat_value);
}
break;
case MUIC_LG_TA :
printk(KERN_WARNING "[chahee.kim] LG_TA");
if ((int_stat_value & CHGDET) == 0) {
muic_mode = MUIC_NONE;
}
else {
set_max14526_muic_mode(int_stat_value);
}
break;
case MUIC_AP_UART :
if ((int_stat_value & IDNO) == IDNO_1011) {
/* Exit Factory Mode */
muic_mode = MUIC_NONE;
}
else {
set_max14526_muic_mode(int_stat_value);
}
break;
case MUIC_AP_USB :
if ((int_stat_value & VBUS) == 0) {
/* USB Host Removed */
muic_mode = MUIC_NONE;
}else{
set_max14526_muic_mode(int_stat_value);
}
break;
default:
printk(KERN_WARNING "[chahee.kim] Failed to detect an accessory. Try again!\n");
#ifndef CHARGER_TEST
lge_charger_disable();
#endif
muic_mode = MUIC_UNKNOWN;
ret = -1;
break;
}
printk(KERN_WARNING "[chahee.kim] muic_max14526_detect_accessory, muic_mode = %d \n", muic_mode );
return ret;
}
