/**************************************************************************/ /* */ /* Copyright (c) Microsoft Corporation. All rights reserved. */ /* */ /* This software is licensed under the Microsoft Software License */ /* Terms for Microsoft Azure RTOS. Full text of the license can be */ /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */ /* and in the root directory of this software. */ /* */ /**************************************************************************/ /**************************************************************************/ /**************************************************************************/ /** */ /** USBX Component */ /** */ /** EHCI Controller Driver */ /** */ /**************************************************************************/ /**************************************************************************/ /* Include necessary system files. */ #define UX_SOURCE_CODE #include "ux_api.h" #include "ux_hcd_ehci.h" #include "ux_host_stack.h" /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _ux_hcd_ehci_entry PORTABLE C */ /* 6.1 */ /* AUTHOR */ /* */ /* Chaoqiong Xiao, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function dispatch the HCD function internally to the EHCI */ /* controller. */ /* */ /* INPUT */ /* */ /* HCD Pointer to HCD */ /* function Requested function */ /* parameter Pointer to parameter(s) */ /* */ /* OUTPUT */ /* */ /* Completion Status */ /* */ /* CALLS */ /* */ /* _ux_hcd_ehci_asynchronous_endpoint_create Create endpoint */ /* _ux_hcd_ehci_asynchronous_endpoint_destroy Destroy endpoint */ /* _ux_hcd_ehci_controller_disable Disable controller */ /* _ux_hcd_ehci_done_queue_process Process done queue */ /* _ux_hcd_ehci_endpoint_reset Reset endpoint */ /* _ux_hcd_ehci_frame_number_get Get frame number */ /* _ux_hcd_ehci_frame_number_set Set frame number */ /* _ux_hcd_ehci_interrupt_endpoint_create Endpoint create */ /* _ux_hcd_ehci_interrupt_endpoint_destroy Endpoint destroy */ /* _ux_hcd_ehci_isochronous_endpoint_create Endpoint create */ /* _ux_hcd_ehci_isochronous_endpoint_destroy Endpoint destroy */ /* _ux_hcd_ehci_port_disable Disable port */ /* _ux_hcd_ehci_port_reset Reset port */ /* _ux_hcd_ehci_port_resume Resume port */ /* _ux_hcd_ehci_port_status_get Get port status */ /* _ux_hcd_ehci_port_suspend Suspend port */ /* _ux_hcd_ehci_power_down_port Power down port */ /* _ux_hcd_ehci_power_on_port Power on port */ /* _ux_hcd_ehci_request_transfer Request transfer */ /* _ux_hcd_ehci_transfer_abort Abort transfer */ /* */ /* CALLED BY */ /* */ /* EHCI Controller Driver */ /* */ /* RELEASE HISTORY */ /* */ /* DATE NAME DESCRIPTION */ /* */ /* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */ /* 09-30-2020 Chaoqiong Xiao Modified comment(s), */ /* resulting in version 6.1 */ /* */ /**************************************************************************/ UINT _ux_hcd_ehci_entry(UX_HCD *hcd, UINT function, VOID *parameter) { UINT status; UX_HCD_EHCI *hcd_ehci; /* Check the status of the controller. */ if (hcd -> ux_hcd_status == UX_UNUSED) { /* Error trap. */ _ux_system_error_handler(UX_SYSTEM_LEVEL_THREAD, UX_SYSTEM_CONTEXT_HCD, UX_CONTROLLER_UNKNOWN); /* If trace is enabled, insert this event into the trace buffer. */ UX_TRACE_IN_LINE_INSERT(UX_TRACE_ERROR, UX_CONTROLLER_UNKNOWN, 0, 0, 0, UX_TRACE_ERRORS, 0, 0) return(UX_CONTROLLER_UNKNOWN); } /* Get the pointer to the EHCI HCD. */ hcd_ehci = (UX_HCD_EHCI *) hcd -> ux_hcd_controller_hardware; /* Look at the function and route it. */ switch(function) { case UX_HCD_DISABLE_CONTROLLER: status = _ux_hcd_ehci_controller_disable(hcd_ehci); break; case UX_HCD_GET_PORT_STATUS: status = _ux_hcd_ehci_port_status_get(hcd_ehci, (ULONG) parameter); break; case UX_HCD_ENABLE_PORT: status = UX_SUCCESS; break; case UX_HCD_DISABLE_PORT: status = _ux_hcd_ehci_port_disable(hcd_ehci, (ULONG) parameter); break; case UX_HCD_POWER_ON_PORT: status = _ux_hcd_ehci_power_on_port(hcd_ehci, (ULONG) parameter); break; case UX_HCD_POWER_DOWN_PORT: status = _ux_hcd_ehci_power_down_port(hcd_ehci, (ULONG) parameter); break; case UX_HCD_SUSPEND_PORT: status = _ux_hcd_ehci_port_suspend(hcd_ehci, (ULONG) parameter); break; case UX_HCD_RESUME_PORT: status = _ux_hcd_ehci_port_resume(hcd_ehci, (UINT) parameter); break; case UX_HCD_RESET_PORT: status = _ux_hcd_ehci_port_reset(hcd_ehci, (ULONG) parameter); break; case UX_HCD_GET_FRAME_NUMBER: status = _ux_hcd_ehci_frame_number_get(hcd_ehci, (ULONG *) parameter); break; case UX_HCD_SET_FRAME_NUMBER: _ux_hcd_ehci_frame_number_set(hcd_ehci, (ULONG) parameter); status = UX_SUCCESS; break; case UX_HCD_TRANSFER_REQUEST: status = _ux_hcd_ehci_request_transfer(hcd_ehci, (UX_TRANSFER *) parameter); break; case UX_HCD_TRANSFER_ABORT: status = _ux_hcd_ehci_transfer_abort(hcd_ehci, (UX_TRANSFER *) parameter); break; case UX_HCD_CREATE_ENDPOINT: switch ((((UX_ENDPOINT*) parameter) -> ux_endpoint_descriptor.bmAttributes) & UX_MASK_ENDPOINT_TYPE) { case UX_CONTROL_ENDPOINT: case UX_BULK_ENDPOINT: status = _ux_hcd_ehci_asynchronous_endpoint_create(hcd_ehci, (UX_ENDPOINT*) parameter); break; case UX_INTERRUPT_ENDPOINT: status = _ux_hcd_ehci_interrupt_endpoint_create(hcd_ehci, (UX_ENDPOINT*) parameter); break; case UX_ISOCHRONOUS_ENDPOINT: status = _ux_hcd_ehci_isochronous_endpoint_create(hcd_ehci, (UX_ENDPOINT*) parameter); break; } break; case UX_HCD_DESTROY_ENDPOINT: switch ((((UX_ENDPOINT*) parameter) -> ux_endpoint_descriptor.bmAttributes) & UX_MASK_ENDPOINT_TYPE) { case UX_CONTROL_ENDPOINT: case UX_BULK_ENDPOINT: status = _ux_hcd_ehci_asynchronous_endpoint_destroy(hcd_ehci, (UX_ENDPOINT*) parameter); break; case UX_INTERRUPT_ENDPOINT: status = _ux_hcd_ehci_interrupt_endpoint_destroy(hcd_ehci, (UX_ENDPOINT*) parameter); break; case UX_ISOCHRONOUS_ENDPOINT: status = _ux_hcd_ehci_isochronous_endpoint_destroy(hcd_ehci, (UX_ENDPOINT*) parameter); break; } break; case UX_HCD_RESET_ENDPOINT: status = _ux_hcd_ehci_endpoint_reset(hcd_ehci, (UX_ENDPOINT*) parameter); break; case UX_HCD_PROCESS_DONE_QUEUE: _ux_hcd_ehci_done_queue_process(hcd_ehci); status = UX_SUCCESS; break; default: /* Error trap. */ _ux_system_error_handler(UX_SYSTEM_LEVEL_THREAD, UX_SYSTEM_CONTEXT_HCD, UX_FUNCTION_NOT_SUPPORTED); /* If trace is enabled, insert this event into the trace buffer. */ UX_TRACE_IN_LINE_INSERT(UX_TRACE_ERROR, UX_FUNCTION_NOT_SUPPORTED, 0, 0, 0, UX_TRACE_ERRORS, 0, 0) status = UX_FUNCTION_NOT_SUPPORTED; break; } /* Return status to caller. */ return(status); }