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