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nxp tdi implement remote wakeup

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enhance bus reset, unplugged, suspend, resume detection
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hathach 2021-09-09 17:04:04 +07:00
parent 27800f7e4f
commit f948cbe471
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GPG Key ID: 2FA891220FBFD581
1 changed files with 35 additions and 18 deletions
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53
src/portable/nxp/transdimension/dcd_transdimension.c
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@ -245,7 +245,7 @@ void dcd_init(uint8_t rhport)
dcd_reg->ENDPTLISTADDR = (uint32_t) _dcd_data.qhd; // Endpoint List Address has to be 2K alignment dcd_reg->ENDPTLISTADDR = (uint32_t) _dcd_data.qhd; // Endpoint List Address has to be 2K alignment
dcd_reg->USBSTS = dcd_reg->USBSTS; dcd_reg->USBSTS = dcd_reg->USBSTS;
dcd_reg->USBINTR = INTR_USB | INTR_ERROR | INTR_PORT_CHANGE | INTR_RESET | INTR_SUSPEND; dcd_reg->USBINTR = INTR_USB | INTR_ERROR | INTR_PORT_CHANGE | INTR_SUSPEND;
dcd_reg->USBCMD &= ~0x00FF0000; // Interrupt Threshold Interval = 0 dcd_reg->USBCMD &= ~0x00FF0000; // Interrupt Threshold Interval = 0
dcd_reg->USBCMD |= USBCMD_RUN_STOP; // Connect dcd_reg->USBCMD |= USBCMD_RUN_STOP; // Connect
@ -273,8 +273,7 @@ void dcd_set_address(uint8_t rhport, uint8_t dev_addr)
void dcd_remote_wakeup(uint8_t rhport) void dcd_remote_wakeup(uint8_t rhport)
{ {
dcd_registers_t* dcd_reg = _dcd_controller[rhport].regs; dcd_registers_t* dcd_reg = _dcd_controller[rhport].regs;
(void) dcd_reg; dcd_reg->PORTSC1 |= PORTSC1_FORCE_PORT_RESUME;
// dcd_reg->PORTSC1 =
} }
void dcd_connect(uint8_t rhport) void dcd_connect(uint8_t rhport)
@ -423,15 +422,42 @@ void dcd_int_handler(uint8_t rhport)
// disabled interrupt sources // disabled interrupt sources
if (int_status == 0) return; if (int_status == 0) return;
if (int_status & INTR_RESET) // Set if the port controller enters the full or high-speed operational state.
{ // either from Bus Reset or Suspended state
bus_reset(rhport); if (int_status & INTR_PORT_CHANGE)
uint32_t speed = (dcd_reg->PORTSC1 & PORTSC1_PORT_SPEED) >> PORTSC1_PORT_SPEED_POS; {
dcd_event_bus_reset(rhport, (tusb_speed_t) speed, true); // TU_LOG2("PortChange %08lx\r\n", dcd_reg->PORTSC1);
}
// Reset interrupt is not enabled, we manually check if Port Change is due
// to connection / disconnection
if ( dcd_reg->USBSTS & INTR_RESET )
{
dcd_reg->USBSTS = INTR_RESET;
if (dcd_reg->PORTSC1 & PORTSC1_CURRENT_CONNECT_STATUS)
{
uint32_t const speed = (dcd_reg->PORTSC1 & PORTSC1_PORT_SPEED) >> PORTSC1_PORT_SPEED_POS;
bus_reset(rhport);
dcd_event_bus_reset(rhport, (tusb_speed_t) speed, true);
}else
{
dcd_event_bus_signal(rhport, DCD_EVENT_UNPLUGGED, true);
}
}
else
{
// Triggered by resuming from suspended state
if ( !(dcd_reg->PORTSC1 & PORTSC1_SUSPEND) )
{
dcd_event_bus_signal(rhport, DCD_EVENT_RESUME, true);
}
}
}
if (int_status & INTR_SUSPEND) if (int_status & INTR_SUSPEND)
{ {
// TU_LOG2("Suspend %08lx\r\n", dcd_reg->PORTSC1);
if (dcd_reg->PORTSC1 & PORTSC1_SUSPEND) if (dcd_reg->PORTSC1 & PORTSC1_SUSPEND)
{ {
// Note: Host may delay more than 3 ms before and/or after bus reset before doing enumeration. // Note: Host may delay more than 3 ms before and/or after bus reset before doing enumeration.
@ -443,15 +469,6 @@ void dcd_int_handler(uint8_t rhport)
} }
} }
// Set if the port controller enters the full or high-speed operational state.
if (int_status & INTR_PORT_CHANGE)
{
if ( !(dcd_reg->PORTSC1 & PORTSC1_CURRENT_CONNECT_STATUS) )
{
dcd_event_bus_signal(rhport, DCD_EVENT_UNPLUGGED, true);
}
}
// Make sure we read the latest version of _dcd_data. // Make sure we read the latest version of _dcd_data.
CleanInvalidateDCache_by_Addr((uint32_t*) &_dcd_data, sizeof(dcd_data_t)); CleanInvalidateDCache_by_Addr((uint32_t*) &_dcd_data, sizeof(dcd_data_t));