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/*
* The MIT License (MIT)
*
* Copyright (c) 2019 Ha Thach (tinyusb.org)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* This file is part of the TinyUSB stack.
*/
//--------------------------------------------------------------------+
// INCLUDE
//--------------------------------------------------------------------+
#include "unity.h"
#include "common/common.h"
#include "hal.h"
#include "usbh_hcd.h"
#include "ehci.h"
#include "ehci_controller_fake.h"
//--------------------------------------------------------------------+
// MACRO CONSTANT TYPEDEF
//--------------------------------------------------------------------+
LPC_USB0_Type lpc_usb0;
LPC_USB1_Type lpc_usb1;
extern usbh_device_t _usbh_devices[CFG_TUSB_HOST_DEVICE_MAX+1];
//--------------------------------------------------------------------+
// IMPLEMENTATION
//--------------------------------------------------------------------+
void ehci_controller_init(void)
{
tu_memclr(&lpc_usb0, sizeof(LPC_USB0_Type));
tu_memclr(&lpc_usb1, sizeof(LPC_USB1_Type));
}
void ehci_controller_control_xfer_proceed(uint8_t dev_addr, uint8_t p_data[])
{
ehci_registers_t* const regs = get_operational_register( _usbh_devices[dev_addr].rhport );
ehci_qhd_t * p_qhd = get_control_qhd(dev_addr);
ehci_qtd_t * p_qtd_setup = get_control_qtds(dev_addr);
ehci_qtd_t * p_qtd_data = p_qtd_setup + 1;
ehci_qtd_t * p_qtd_status = p_qtd_setup + 2;
tusb_control_request_t const *p_request = (tusb_control_request_t *) p_qtd_setup->buffer[0];
if (p_request->wLength > 0 && p_request->bmRequestType_bit.direction == TUSB_DIR_DEV_TO_HOST)
{
memcpy(p_qtd_data, p_data, p_request->wLength);
}
//------------- retire all QTDs -------------//
p_qtd_setup->active = p_qtd_data->active = p_qtd_status->active = 0;
p_qhd->qtd_overlay = *p_qtd_status;
regs->usb_sts = EHCI_INT_MASK_NXP_ASYNC | EHCI_INT_MASK_NXP_PERIODIC;
hcd_isr( _usbh_devices[dev_addr].rhport );
}
void complete_qtd_in_qhd(ehci_qhd_t *p_qhd)
{
if ( !p_qhd->qtd_overlay.halted )
{
while(!p_qhd->qtd_overlay.next.terminate)
{
ehci_qtd_t* p_qtd = (ehci_qtd_t*) tu_align32(p_qhd->qtd_overlay.next.address);
p_qtd->active = 0;
p_qtd->total_bytes = 0;
p_qhd->qtd_overlay = *p_qtd;
}
}
}
bool complete_all_qtd_in_async(ehci_qhd_t *head)
{
ehci_qhd_t *p_qhd = head;
do
{
complete_qtd_in_qhd(p_qhd);
p_qhd = (ehci_qhd_t*) tu_align32(p_qhd->next.address);
}while(p_qhd != head); // stop if loop around
return true;
}
bool complete_all_qtd_in_period(ehci_link_t *head)
{
while(!head->terminate)
{
uint32_t queue_type = head->type;
head = (ehci_link_t*) tu_align32(head->address);
if ( queue_type == EHCI_QUEUE_ELEMENT_QHD)
{
complete_qtd_in_qhd( (ehci_qhd_t*) head );
}
}
return true;
}
void ehci_controller_run(uint8_t hostid)
{
//------------- Async List -------------//
ehci_registers_t* const regs = get_operational_register(hostid);
complete_all_qtd_in_async((ehci_qhd_t*) regs->async_list_base);
//------------- Period List -------------//
for(uint8_t i=1; i <= EHCI_FRAMELIST_SIZE; i *= 2)
{
complete_all_qtd_in_period( get_period_head(hostid, i) );
}
regs->usb_sts = EHCI_INT_MASK_NXP_ASYNC | EHCI_INT_MASK_NXP_PERIODIC;
hcd_isr(hostid);
}
void complete_1st_qtd_with_error(ehci_qhd_t* p_qhd, bool halted, bool xact_err)
{
if ( !p_qhd->qtd_overlay.halted )
{
if(!p_qhd->qtd_overlay.next.terminate) // TODO add active check
{
ehci_qtd_t* p_qtd = (ehci_qtd_t*) tu_align32(p_qhd->qtd_overlay.next.address);
p_qtd->active = 0;
p_qtd->halted = halted ? 1 : 0;
p_qtd->xact_err = xact_err ? 1 : 0;
p_qhd->qtd_overlay = *p_qtd;
}
}
}
void complete_list_with_error(uint8_t hostid, bool halted, bool xact_err)
{
//------------- Async List -------------//
ehci_registers_t* const regs = get_operational_register(hostid);
ehci_qhd_t *p_qhd = (ehci_qhd_t*) regs->async_list_base;
do
{
complete_1st_qtd_with_error(p_qhd, halted, xact_err);
p_qhd = (ehci_qhd_t*) tu_align32(p_qhd->next.address);
}while(p_qhd != get_async_head(hostid)); // stop if loop around
//------------- Period List -------------//
for(uint8_t i=1; i <= EHCI_FRAMELIST_SIZE; i *= 2)
{
ehci_link_t *head = get_period_head(hostid, i);
while(!head->terminate)
{
uint32_t queue_type = head->type;
head = (ehci_link_t*) tu_align32(head->address);
if ( queue_type == EHCI_QUEUE_ELEMENT_QHD)
{
complete_1st_qtd_with_error((ehci_qhd_t*) head, halted, xact_err);
}
}
}
regs->usb_sts = EHCI_INT_MASK_ERROR;
hcd_isr(hostid);
}
void ehci_controller_run_stall(uint8_t hostid)
{
complete_list_with_error(hostid, true, false);
}
void ehci_controller_run_error(uint8_t hostid)
{
complete_list_with_error(hostid, true, true);
}
void ehci_controller_device_plug(uint8_t hostid, tusb_speed_t speed)
{
ehci_registers_t* const regs = get_operational_register(hostid);
regs->usb_sts_bit.port_change_detect = 1;
regs->portsc_bit.connect_status_change = 1;
regs->portsc_bit.current_connect_status = 1;
regs->portsc_bit.nxp_port_speed = speed;
hcd_isr(hostid);
}
void ehci_controller_device_unplug(uint8_t hostid)
{
ehci_registers_t* const regs = get_operational_register(hostid);
regs->usb_sts_bit.port_change_detect = 1;
regs->portsc_bit.connect_status_change = 1;
regs->portsc_bit.current_connect_status = 0;
hcd_isr(hostid);
}
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