static irqreturn_t tsu6721_muic_irq_thread(int irq, void *data)
{
struct tsu6721_muic_data *muic_data = data;
struct i2c_client *i2c = muic_data->i2c;
int intr1, intr2;
pr_info("%s:%s irq(%d)\n", MUIC_DEV_NAME, __func__, irq);
mutex_lock(&muic_data->muic_mutex);
tsu6721_disable_interrupt(muic_data);
/* read and clear interrupt status bits */
intr1 = i2c_smbus_read_byte_data(i2c, TSU6721_MUIC_REG_INT1);
intr2 = i2c_smbus_read_byte_data(i2c, TSU6721_MUIC_REG_INT2);
if ((intr1 < 0) || (intr2 < 0)) {
pr_err("%s: err read interrupt status [1:0x%x, 2:0x%x]\n",
__func__, intr1, intr2);
goto skip_detect_dev;
}
pr_info("%s:%s intr[1:0x%x, 2:0x%x]\n", MUIC_DEV_NAME, __func__,
intr1, intr2);
/* Once Deskdock is attached, ignore ADC changed interrupt */
/* so that the device is safe from potential ghost interrupt */
if (muic_data->attached_dev == ATTACHED_DEV_DESKDOCK_MUIC &&
intr2 == 0x4)
goto skip_detect_dev;
/* device detection */
tsu6721_muic_detect_dev(muic_data);
skip_detect_dev:
tsu6721_enable_interrupt(muic_data);
mutex_unlock(&muic_data->muic_mutex);
return IRQ_HANDLED;
}
static int tsu6721_attach_dev(struct tsu6721_usbsw *usbsw)
{
int adc;
int val1, val2, val3;
struct tsu6721_platform_data *pdata = usbsw->pdata;
struct i2c_client *client = usbsw->client;
#if defined(CONFIG_VIDEO_MHL_V2)
/*u8 mhl_ret = 0;*/
#endif
#if defined(CONFIG_TOUCHSCREEN_MMS144)
int tsp_noti_ignore = 0;
#endif
val1 = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE1);
if (val1 < 0) {
dev_err(&client->dev, "%s: err %d\n", __func__, val1);
return val1;
}
val2 = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE2);
if (val2 < 0) {
dev_err(&client->dev, "%s: err %d\n", __func__, val2);
return val2;
}
jig_state = (val2 & DEV_T2_JIG_ALL_MASK) ? 1 : 0;
val3 = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE3);
if (val3 < 0) {
dev_err(&client->dev, "%s: err %d\n", __func__, val3);
return val3;
}
adc = i2c_smbus_read_byte_data(client, REG_ADC);
if (adc == ADC_SMART_DOCK) {
val2 = DEV_SMARTDOCK;
val1 = 0;
}
#if defined(CONFIG_USB_HOST_NOTIFY)
if (adc == 0x11 || adc == ADC_AUDIO_DOCK) {
val2 = DEV_AUDIO_DOCK;
val1 = 0;
}
#endif
if (adc == ADC_LG_CABLE) {
val2 = DEV_LG_CABLE;
val1 = 0;
}
dev_err(&client->dev,
"dev1: 0x%x, dev2: 0x%x, dev3: 0x%x, ADC: 0x%x Jig:%s\n",
val1, val2, val3, adc,
(check_jig_state() ? "ON" : "OFF"));
/* USB */
if (val1 & DEV_USB || val2 & DEV_T2_USB_MASK) {
pr_info("[MUIC] USB Connected\n");
pdata->callback(CABLE_TYPE_USB, TSU6721_ATTACHED);
/* USB_CDP */
} else if (val1 & DEV_USB_CHG) {
pr_info("[MUIC] CDP Connected\n");
pdata->callback(CABLE_TYPE_CDP, TSU6721_ATTACHED);
/* UART FACTORY JIG CASE*/
} else if (val1 & DEV_T1_UART_MASK || val2 & DEV_T2_UART_MASK) {
uart_connecting = 1;
pr_info("[MUIC] UART Connected\n");
if((adc == ADC_JIG_UART_OFF) && (val3 & DEV_VBUS_DEBOUNCE))
pdata->callback(CABLE_TYPE_JIG_UART_OFF_VB, TSU6721_ATTACHED);
else
pdata->callback(CABLE_TYPE_UARTOFF, TSU6721_ATTACHED);
#if (!defined(CONFIG_MACH_CT01) && !defined(CONFIG_MACH_CT01_CHN_CU))
flash_control(true);
#endif
/* CHARGER */
} else if ((val1 & DEV_T1_CHARGER_MASK) ||
(val3 & DEV_T3_CHARGER_MASK)) {
pr_info("[MUIC] Charger Connected\n");
pdata->callback(CABLE_TYPE_AC, TSU6721_ATTACHED);
#if defined(CONFIG_USB_HOST_NOTIFY)
/* for SAMSUNG OTG */
} else if (val1 & DEV_USB_OTG) {
pr_info("[MUIC] OTG Connected\n");
tsu6721_set_otg(usbsw, TSU6721_ATTACHED);
pdata->callback(CABLE_TYPE_OTG, TSU6721_ATTACHED);
#endif
/* JIG */
} else if (val2 & DEV_T2_JIG_MASK) {
pr_info("[MUIC] JIG Connected\n");
pdata->callback(CABLE_TYPE_JIG, TSU6721_ATTACHED);
#if (!defined(CONFIG_MACH_CT01) && !defined(CONFIG_MACH_CT01_CHN_CU))
flash_control(true);
#endif
/* Desk Dock */
} else if ((val2 & DEV_AV) || (val3 & DEV_AV_VBUS)) {
pr_info("[MUIC] Deskdock Connected\n");
local_usbsw->dock_attached = TSU6721_ATTACHED;
if(val3 & DEV_VBUS_DEBOUNCE)
tsu6721_dock_control(usbsw, CABLE_TYPE_DESK_DOCK,
TSU6721_ATTACHED, SW_AUDIO);
else
tsu6721_dock_control(usbsw, CABLE_TYPE_DESK_DOCK_NO_VB,
TSU6721_ATTACHED, SW_AUDIO);
#if defined(CONFIG_VIDEO_MHL_V2)
/* MHL */
} else if (val3 & DEV_MHL) {
pr_info("[MUIC] MHL Connected\n");
tsu6721_disable_interrupt();
if (!poweroff_charging)
/*mhl_ret = mhl_onoff_ex(1); support from sii8240*/
else
pr_info("LPM mode, skip MHL sequence\n");
tsu6721_enable_interrupt();
#endif
/* Car Dock */
} else if (val2 & DEV_JIG_UART_ON) {
static irqreturn_t tsu6721_irq_thread(int irq, void *data)
{
struct tsu6721_usbsw *usbsw = data;
struct i2c_client *client = usbsw->client;
int intr1, intr2;
int val1, val2, val3, adc;
/* TSU6721 : Read interrupt -> Read Device */
pr_info("tsu6721_irq_thread is called\n");
/* device detection */
mutex_lock(&usbsw->mutex);
tsu6721_disable_interrupt();
intr1 = i2c_smbus_read_byte_data(client, REG_INT1);
intr2 = i2c_smbus_read_byte_data(client, REG_INT2);
dev_info(&client->dev, "%s: intr : 0x%x intr2 : 0x%x\n",
__func__, intr1, intr2);
local_usbsw->last_state.int1 = intr1;
local_usbsw->last_state.int2 = intr2;
if ((intr1 + intr2) == DATA_NONE) {
val1 = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE1);
val2 = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE2);
val3 = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE3);
adc = i2c_smbus_read_byte_data(client, REG_ADC);
if (((val1 + val2 + val3) == DATA_NONE) && (adc == ADC_OPEN))
tsu6721_detach_dev(usbsw);
else
tsu6721_attach_dev(usbsw);
}
/* MUIC OVP Check */
if (intr1 & INT_OVP_ENABLE)
usbsw->pdata->oxp_callback(ENABLE);
else if (intr1 & INT_OXP_DISABLE)
usbsw->pdata->oxp_callback(DISABLE);
msleep(20);
/* interrupt both attach and detach */
if (intr1 == (INT_ATTACH + INT_DETACH)) {
val1 = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE1);
val3 = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE3);
adc = i2c_smbus_read_byte_data(client, REG_ADC);
if ((adc == ADC_OPEN) && (val1 == DATA_NONE) &&
((val3 == DATA_NONE) ||
(val3 == DEV_VBUS_DEBOUNCE)))
tsu6721_detach_dev(usbsw);
else
tsu6721_attach_dev(usbsw);
/* interrupt attach */
} else if (intr1 & INT_ATTACH || intr2 &
(INT_AV_CHANGE | INT_RESERVED_ATTACH))
tsu6721_attach_dev(usbsw);
/* interrupt detach */
else if (intr1 & INT_DETACH)
tsu6721_detach_dev(usbsw);
tsu6721_enable_interrupt();
mutex_unlock(&usbsw->mutex);
return IRQ_HANDLED;
}
static int tsu6721_attach_dev(struct tsu6721_usbsw *usbsw)
{
int adc;
int val1, val2, val3;
struct tsu6721_platform_data *pdata = usbsw->pdata;
struct i2c_client *client = usbsw->client;
#if defined(CONFIG_VIDEO_MHL_V2)
u8 mhl_ret = 0;
#endif
val1 = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE1);
if (val1 < 0) {
dev_err(&client->dev, "%s: err %d\n", __func__, val1);
return val1;
}
val2 = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE2);
if (val2 < 0) {
dev_err(&client->dev, "%s: err %d\n", __func__, val2);
return val2;
}
jig_state = (val2 & DEV_T2_JIG_ALL_MASK) ? 1 : 0;
val3 = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE3);
if (val3 < 0) {
dev_err(&client->dev, "%s: err %d\n", __func__, val3);
return val3;
}
adc = i2c_smbus_read_byte_data(client, REG_ADC);
if (adc == ADC_SMART_DOCK) {
val2 = DEV_SMARTDOCK;
val1 = 0;
}
#if defined(CONFIG_USB_HOST_NOTIFY)
if (adc == 0x11 || adc == ADC_AUDIO_DOCK) {
val2 = DEV_AUDIO_DOCK;
val1 = 0;
}
#endif
if (adc == ADC_LG_CABLE) {
val2 = DEV_LG_CABLE;
val1 = 0;
}
if ((val1 & DEV_USB || val1 & DEV_USB_CHG ||
val1 & DEV_T1_CHARGER_MASK) &&
!(val3 & DEV_VBUS_DEBOUNCE)) {
pr_info("%s Attach USB or Charger but not include VBUS",
__func__);
return 0;
}
dev_err(&client->dev,
"dev1: 0x%x, dev2: 0x%x, dev3: 0x%x, ADC: 0x%x Jig:%s\n",
val1, val2, val3, adc,
(check_jig_state() ? "ON" : "OFF"));
if ((val1+val2+val3 != 0)) {
pr_info("%s Save state\n", __func__);
local_usbsw->last_state.dev1 = val1;
local_usbsw->last_state.dev2 = val2;
local_usbsw->last_state.dev3 = val3;
}
/* USB */
if (val1 & DEV_USB || val2 & DEV_T2_USB_MASK) {
pr_info("[MUIC] USB Connected\n");
pdata->callback(CABLE_TYPE_USB, TSU6721_ATTACHED);
local_usbsw->last_state.attach = USB_CALL;
/* USB_CDP */
} else if (val1 & DEV_USB_CHG) {
pr_info("[MUIC] CDP Connected\n");
pdata->callback(CABLE_TYPE_CDP, TSU6721_ATTACHED);
local_usbsw->last_state.attach = CDP_CALL;
/* UART */
} else if (val1 & DEV_T1_UART_MASK || val2 & DEV_T2_UART_MASK) {
uart_connecting = 1;
pr_info("[MUIC] UART Connected\n");
#ifndef CONFIG_MACH_LT02
pdata->callback(CABLE_TYPE_UARTOFF, TSU6721_ATTACHED);
#endif
local_usbsw->last_state.detach = UART_CALL;
/* CHARGER */
} else if ((val1 & DEV_T1_CHARGER_MASK) ||
(val3 & DEV_T3_CHARGER_MASK)) {
pr_info("[MUIC] Charger Connected\n");
pdata->callback(CABLE_TYPE_AC, TSU6721_ATTACHED);
local_usbsw->last_state.attach = CHARGER_CALL;
#if defined(CONFIG_USB_HOST_NOTIFY)
/* for SAMSUNG OTG */
} else if (val1 & DEV_USB_OTG) {
pr_info("[MUIC] OTG Connected\n");
tsu6721_set_otg(usbsw, TSU6721_ATTACHED);
pdata->callback(CABLE_TYPE_OTG, TSU6721_ATTACHED);
local_usbsw->last_state.attach = OTG_CALL;
#endif
/* JIG */
} else if (val2 & DEV_T2_JIG_MASK) {
pr_info("[MUIC] JIG Connected\n");
pdata->callback(CABLE_TYPE_JIG, TSU6721_ATTACHED);
local_usbsw->last_state.attach = JIG_CALL;
/* Desk Dock */
} else if ((val2 & DEV_AV) || (val3 & DEV_AV_VBUS)) {
pr_info("[MUIC] Deskdock Connected\n");
local_usbsw->dock_attached = TSU6721_ATTACHED;
tsu6721_dock_control(usbsw, CABLE_TYPE_DESK_DOCK,
TSU6721_ATTACHED, SW_AUDIO);
local_usbsw->last_state.attach = DESKDOCK_CALL;
#if defined(CONFIG_VIDEO_MHL_V2)
/* MHL */
} else if (val3 & DEV_MHL) {
pr_info("[MUIC] MHL Connected\n");
tsu6721_disable_interrupt();
if (!poweroff_charging) {
mhl_ret = mhl_onoff_ex(1);
local_usbsw->last_state.attach = MHL_CALL;
} else
pr_info("LPM mode, skip MHL sequence\n");
tsu6721_enable_interrupt();
#endif
/* Car Dock */
} else if (val2 & DEV_JIG_UART_ON) {
pr_info("[MUIC] Cardock Connected\n");
local_usbsw->dock_attached = TSU6721_ATTACHED;
tsu6721_dock_control(usbsw, CABLE_TYPE_CARDOCK,
TSU6721_ATTACHED, SW_AUDIO);
local_usbsw->last_state.attach = CARDOCK_CALL;
/* SmartDock */
} else if (val2 & DEV_SMARTDOCK) {
pr_info("[MUIC] Smartdock Connected\n");
tsu6721_dock_control(usbsw, CABLE_TYPE_SMART_DOCK,
TSU6721_ATTACHED, SW_DHOST);
local_usbsw->last_state.attach = SMARTDOCK_CALL;
#if defined(CONFIG_VIDEO_MHL_V2)
mhl_onoff_ex(1);
#endif
#if defined(CONFIG_USB_HOST_NOTIFY)
/* Audio Dock */
} else if (val2 & DEV_AUDIO_DOCK) {
pr_info("[MUIC] Audiodock Connected\n");
tsu6721_dock_control(usbsw, CABLE_TYPE_AUDIO_DOCK,
TSU6721_ATTACHED, SW_DHOST);
local_usbsw->last_state.attach = AUDIODOCK_CALL;
#endif
/*LG cable support*/
} else if (val2 & DEV_LG_CABLE) {
pr_info("[MUIC] LG Data Cable connected \n");
pdata->callback(CABLE_TYPE_USB, TSU6721_ATTACHED);
/* Incompatible */
} else if (val3 & DEV_VBUS_DEBOUNCE) {
pr_info("[MUIC] Incompatible Charger Connected\n");
pdata->callback(CABLE_TYPE_INCOMPATIBLE,
TSU6721_ATTACHED);
local_usbsw->last_state.attach = INCOMPATIBLE_CALL;
}
usbsw->dev1 = val1;
usbsw->dev2 = val2;
usbsw->dev3 = val3;
usbsw->adc = adc;
return adc;
}
