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hack ehci advance async to handle disconnect via hub

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hathach 2013-09-30 18:40:20 +07:00
parent 5eebec61f1
commit 93821c55ce
5 changed files with 87 additions and 34 deletions
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12
demos/host/host_os_none/host_os_none.uvopt
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@ -762,8 +762,8 @@
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<PathWithFileName>..\..\..\tinyusb\host\hub.c</PathWithFileName>
<FilenameWithoutPath>hub.c</FilenameWithoutPath>
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<PathWithFileName>..\..\..\tinyusb\host\usbh.c</PathWithFileName>
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@ -1080,10 +1080,10 @@
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7
tinyusb/host/ehci/ehci.c
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@ -572,6 +572,13 @@ static void port_connect_status_change_isr(uint8_t hostid)
}
}
// TODO refractor abtract later
void hcd_hub_advance_asyn(uint8_t hostid)
{
ehci_registers_t* const regs = get_operational_register(hostid);
regs->usb_cmd_bit.advacne_async = 1; // Async doorbell check EHCI 4.8.2 for operational details
}
static void qhd_xfer_complete_isr(ehci_qhd_t * p_qhd)
{
uint8_t max_loop = 0;

41
tinyusb/host/hub.c
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@ -61,6 +61,9 @@ typedef struct {
usbh_hub_t hub_data[TUSB_CFG_HOST_DEVICE_MAX] TUSB_CFG_ATTR_USBRAM;
uint8_t hub_enum_buffer[sizeof(descriptor_hub_desc_t)] TUSB_CFG_ATTR_USBRAM;
//OSAL_SEM_DEF(hub_enum_semaphore);
//static osal_semaphore_handle_t hub_enum_sem_hdl;
//--------------------------------------------------------------------+
// HUB
//--------------------------------------------------------------------+
@ -113,7 +116,7 @@ tusb_error_t hub_port_reset_subtask()
);
SUBTASK_ASSERT_STATUS( error );
osal_task_delay(200); // TODO Hub wait for Status Endpoint on Reset Change
osal_task_delay(50); // TODO Hub wait for Status Endpoint on Reset Change
//------------- Get Port Status to check if port is enabled, powered and reset_change -------------//
OSAL_SUBTASK_INVOKED_AND_WAIT(
@ -134,32 +137,9 @@ tusb_error_t hub_port_reset_subtask()
tusb_error_t hub_enumerate_subtask(void)
{
tusb_error_t error;
OSAL_SUBTASK_BEGIN
hub_port_status_response_t * p_port_status;
//------------- Get Port Status -------------//
OSAL_SUBTASK_INVOKED_AND_WAIT(
usbh_control_xfer_subtask( usbh_devices[0].hub_addr, bm_request_type(TUSB_DIR_DEV_TO_HOST, TUSB_REQUEST_TYPE_CLASS, TUSB_REQUEST_RECIPIENT_OTHER),
HUB_REQUEST_GET_STATUS, 0, usbh_devices[0].hub_port,
4, hub_enum_buffer ),
error
);
SUBTASK_ASSERT_STATUS( error );
p_port_status = (hub_port_status_response_t *) hub_enum_buffer;
if ( !p_port_status->status_change.connect_status ) SUBTASK_EXIT(TUSB_ERROR_NONE); // only handle connection change
if ( !p_port_status->status_current.connect_status )
{ // TODO HUB Disconnection
SUBTASK_EXIT(TUSB_ERROR_NONE);
}
// Acknowledge Port Connection Change
OSAL_SUBTASK_INVOKED_AND_WAIT( hub_port_clear_feature_subtask(HUB_FEATURE_PORT_CONNECTION_CHANGE), error );
SUBTASK_ASSERT_STATUS( error );
OSAL_SUBTASK_BEGIN
//------------- Port Reset & Get Port Speed -------------//
OSAL_SUBTASK_INVOKED_AND_WAIT ( hub_port_reset_subtask(), error );
@ -183,6 +163,7 @@ tusb_error_t hub_enumerate_subtask(void)
void hub_init(void)
{
memclr_(hub_data, TUSB_CFG_HOST_DEVICE_MAX*sizeof(usbh_hub_t));
// hub_enum_sem_hdl = osal_semaphore_create( OSAL_SEM_REF(hub_enum_semaphore) );
}
tusb_error_t hub_open_subtask(uint8_t dev_addr, tusb_descriptor_interface_t const *p_interface_desc, uint16_t *p_length)
@ -248,15 +229,21 @@ void hub_isr(pipe_handle_t pipe_hdl, tusb_event_t event, uint32_t xferred_bytes)
}
}
// TODO queue next transfer
// NOTE: next status transfer is queued by usbh.c after handling this request
}
void hub_close(uint8_t dev_addr)
{
(void) hcd_pipe_close(hub_data[dev_addr-1].pipe_status);
memclr_(&hub_data[dev_addr-1], sizeof(usbh_hub_t));
// osal_semaphore_reset(hub_enum_sem_hdl);
}
tusb_error_t hub_status_pipe_queue(uint8_t dev_addr)
{
return hcd_pipe_xfer(hub_data[dev_addr-1].pipe_status, &hub_data[dev_addr-1].status_change, 1, true);
}
#endif

1
tinyusb/host/hub.h
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@ -192,6 +192,7 @@ tusb_error_t hub_open_subtask(uint8_t dev_addr, tusb_descriptor_interface_t cons
void hub_isr(pipe_handle_t pipe_hdl, tusb_event_t event, uint32_t xferred_bytes);
void hub_close(uint8_t dev_addr);
tusb_error_t hub_status_pipe_queue(uint8_t dev_addr);
#endif
#ifdef __cplusplus

60
tinyusb/host/usbh.c
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@ -354,8 +354,64 @@ tusb_error_t enumeration_body_subtask(void)
if ( usbh_devices[0].hub_addr != 0) // connected/disconnected via hub
{
OSAL_SUBTASK_INVOKED_AND_WAIT( hub_enumerate_subtask(), error );
//------------- Get Port Status -------------//
OSAL_SUBTASK_INVOKED_AND_WAIT(
usbh_control_xfer_subtask( usbh_devices[0].hub_addr, bm_request_type(TUSB_DIR_DEV_TO_HOST, TUSB_REQUEST_TYPE_CLASS, TUSB_REQUEST_RECIPIENT_OTHER),
HUB_REQUEST_GET_STATUS, 0, usbh_devices[0].hub_port,
4, enum_data_buffer ),
error
);
SUBTASK_ASSERT_STATUS( error );
if ( ! ((hub_port_status_response_t *) enum_data_buffer)->status_change.connect_status ) SUBTASK_EXIT(TUSB_ERROR_NONE); // only handle connection change
// Acknowledge Port Connection Change
OSAL_SUBTASK_INVOKED_AND_WAIT( hub_port_clear_feature_subtask(HUB_FEATURE_PORT_CONNECTION_CHANGE), error );
SUBTASK_ASSERT_STATUS( error );
if ( ! ((hub_port_status_response_t *) enum_data_buffer)->status_current.connect_status )
{ // Device is disconnected via Hub
uint8_t dev_addr = 1;
while ( dev_addr <= TUSB_CFG_HOST_DEVICE_MAX &&
!(usbh_devices[dev_addr].core_id == usbh_devices[0].core_id &&
usbh_devices[dev_addr].hub_addr == usbh_devices[0].hub_addr &&
usbh_devices[dev_addr].hub_port == usbh_devices[0].hub_port &&
usbh_devices[dev_addr].state != TUSB_DEVICE_STATE_UNPLUG ) )
{
dev_addr++;
}
if (dev_addr > TUSB_CFG_HOST_DEVICE_MAX) // unplug unmounted device
{
SUBTASK_EXIT(TUSB_ERROR_NONE);
}
// if device unplugged is not a hub TODO handle hub unplugged
for (uint8_t class_index = 1; class_index < TUSB_CLASS_MAPPED_INDEX_END; class_index++)
{
if ((usbh_devices[dev_addr].flag_supported_class & BIT_(class_index)) &&
usbh_class_drivers[class_index].close)
{
usbh_class_drivers[class_index].close(dev_addr);
}
}
usbh_pipe_control_close(dev_addr);
// set to REMOVING to allow HCD to clean up its cached data for this device
// HCD must set this device's state to TUSB_DEVICE_STATE_UNPLUG when done
usbh_devices[dev_addr].state = TUSB_DEVICE_STATE_REMOVING;
usbh_devices[dev_addr].flag_supported_class = 0;
hcd_hub_advance_asyn(usbh_devices[0].core_id); // TODO hack
(void) hub_status_pipe_queue( usbh_devices[0].hub_addr ); // done with hub, waiting for next data on status pipe
SUBTASK_EXIT(TUSB_ERROR_NONE); // restart task
}
else
{ // Device is connected via Hub
OSAL_SUBTASK_INVOKED_AND_WAIT( hub_enumerate_subtask(), error );
SUBTASK_ASSERT_STATUS( error );
}
}
else
{
@ -390,6 +446,8 @@ tusb_error_t enumeration_body_subtask(void)
// Acknowledge Port Reset Change
OSAL_SUBTASK_INVOKED_AND_WAIT( hub_port_clear_feature_subtask(HUB_FEATURE_PORT_RESET_CHANGE), error );
SUBTASK_ASSERT_STATUS( error );
(void) hub_status_pipe_queue( usbh_devices[0].hub_addr ); // done with hub, waiting for next data on status pipe
}
//------------- Set new address -------------//