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/*
* ehci_controller.c
*
* Created on: Mar 9, 2013
* Author: hathach
*/
/*
* Software License Agreement (BSD License)
* Copyright (c) 2012, hathach (tinyusb.net)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the tiny usb stack.
*/
//--------------------------------------------------------------------+
// INCLUDE
//--------------------------------------------------------------------+
#include "unity.h"
#include "tusb_option.h"
#include "errors.h"
#include "binary.h"
#include "hal.h"
#include "ehci.h"
//--------------------------------------------------------------------+
// MACRO CONSTANT TYPEDEF
//--------------------------------------------------------------------+
ehci_data_t ehci_data;
LPC_USB0_Type lpc_usb0;
LPC_USB1_Type lpc_usb1;
//--------------------------------------------------------------------+
// IMPLEMENTATION
//--------------------------------------------------------------------+
void ehci_controller_run(uint8_t hostid)
{
//------------- Async List -------------//
ehci_registers_t* const regs = get_operational_register(hostid);
ehci_qhd_t *p_qhd = (ehci_qhd_t*) regs->async_list_base;
do
{
if ( !p_qhd->qtd_overlay.halted )
{
while(!p_qhd->qtd_overlay.next.terminate)
{
ehci_qtd_t* p_qtd = (ehci_qtd_t*) align32(p_qhd->qtd_overlay.next.address);
p_qtd->active = 0;
p_qhd->qtd_overlay = *p_qtd;
}
}
p_qhd = (ehci_qhd_t*) align32(p_qhd->next.address);
}while(p_qhd != get_async_head(hostid)); // stop if loop around
//------------- Period List -------------//
regs->usb_sts = EHCI_INT_MASK_NXP_ASYNC;
}
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;
}
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;
}
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