static void MhlTxDrvProcessConnection ( void )
{
TX_DEBUG_PRINT (("MHL Cable Connected. CBUS:0x0A = %02X\n", (int) SiiRegRead(REG_CBUS_BUS_STATUS)));
if( POWER_STATE_D0_MHL == fwPowerState )
{
return;
}
#ifdef __KERNEL__
//HalGpioSetPin(GPIO_M2U_VBUS_CTRL,0);
#else
pinM2uVbusCtrlM = 0;
#endif
#if (SYSTEM_BOARD == SB_EPV5_MARK_II)
pinMhlConn = 0;
pinUsbConn = 1;
#elif (SYSTEM_BOARD == SB_STARTER_KIT_X01)
#ifdef __KERNEL__
//HalGpioSetPin(GPIO_MHL_USB,0);
#else
pinMhlUsb = 0;
#endif
#endif
SiiRegWrite(REG_MHLTX_CTL1, 0x10);
fwPowerState = POWER_STATE_D0_MHL;
// change TMDS termination to 50 ohm termination(default)
//bits 1:0 set to 00
SiiRegWrite(TX_PAGE_2|0x0001, 0x00);
ENABLE_DISCOVERY;
SiiMhlTxNotifyConnection(true);
}
///////////////////////////////////////////////////////////////////////////
//
// MhlTxDrvProcessConnection
//
///////////////////////////////////////////////////////////////////////////
static void MhlTxDrvProcessConnection (void)
{
TX_DEBUG_PRINT (("Drv: MHL Cable Connected. CBUS:0x0A = %02X\n", (int) SiiRegRead(TX_PAGE_CBUS | 0x000A)));
if( POWER_STATE_D0_MHL == fwPowerState )
{
return;
}
// VBUS control gpio
//pinM2uVbusCtrlM = 0;
//pinMhlConn = 0;
//pinUsbConn = 1;
//
// Discovery over-ride: reg_disc_ovride
//
SiiRegWrite(REG_MHLTX_CTL1, 0x10);
fwPowerState = POWER_STATE_D0_MHL;
//
// Increase DDC translation layer timer (uint8_t mode)
// Setting DDC Byte Mode
//
SiiRegWrite(REG_CBUS_COMMON_CONFIG, 0xF2);
// Enable segment pointer safety
//SET_BIT(0x0C44, 1);
// Un-force HPD (it was kept low, now propagate to source
//CLR_BIT(REG_INT_CTRL, 4);
// Enable TMDS
//SiiMhlTxDrvTmdsControl( true );
// Change TMDS termination to 50 ohm termination (default)
// Bits 1:0 set to 00
SiiRegWrite(TX_PAGE_2 | 0x0001, 0x00);
// Keep the discovery enabled. Need RGND interrupt
ENABLE_DISCOVERY
// Wait T_SRC_RXSENSE_CHK ms to allow connection/disconnection to be stable (MHL 1.0 specs)
// TX_DEBUG_PRINT (("[%d] Drv: Wait T_SRC_RXSENSE_CHK (%d ms) before checking RSEN\n",
// (int) (HalTimerElapsed( ELAPSED_TIMER ) * MONITORING_PERIOD),
// (int) T_SRC_RXSENSE_CHK) );
//
// Ignore RSEN interrupt for T_SRC_RXSENSE_CHK duration.
// Get the timer started
//
// HalTimerSet(TIMER_TO_DO_RSEN_CHK, T_SRC_RXSENSE_CHK);
// Notify upper layer of cable connection
SiiMhlTxNotifyConnection(mhlConnected = true);
}
static void MhlTxDrvProcessDisconnection ( void )
{
TX_DEBUG_PRINT(("MhlTxDrvProcessDisconnection\n"));
SiiRegWrite(REG_INTR4, SiiRegRead(REG_INTR4));
dsHpdStatus &= ~BIT6;
SiiRegWrite(REG_MSC_REQ_ABORT_REASON, dsHpdStatus);
SiiMhlTxNotifyDsHpdChange(0);
if( POWER_STATE_D0_MHL == fwPowerState )
{
SiiMhlTxNotifyConnection(false);
}
SwitchToD3();
}
///////////////////////////////////////////////////////////////////////////
//
// MhlTxDrvProcessDisconnection
//
///////////////////////////////////////////////////////////////////////////
static void MhlTxDrvProcessDisconnection (void)
{
TX_DEBUG_PRINT(("Drv: MhlTxDrvProcessDisconnection\n"));
// clear all interrupts
SiiRegWrite(REG_INTR4, SiiRegRead(REG_INTR4));
SiiRegWrite(REG_MHLTX_CTL1, 0xD0);
dsHpdStatus &= ~BIT6; //cable disconnect implies downstream HPD low
SiiRegWrite(REG_PRI_XFR_ABORT_REASON, dsHpdStatus);
SiiMhlTxNotifyDsHpdChange(0);
if( POWER_STATE_D0_MHL == fwPowerState )
{
// Notify upper layer of cable removal
SiiMhlTxNotifyConnection(false);
}
// Now put chip in sleep mode
SwitchToD3();
}
