rockbox/firmware/export/ohci.h

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* OHCI data structures and registers
*
* Copyright (C) 2009 by Frank Gevaerts
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#define OHCI_REVISION (*(volatile unsigned int *)(OHCI_BASE+0x00))
#define OHCI_CONTROL (*(volatile unsigned int *)(OHCI_BASE+0x04))
#define OHCI_COMMAND_STATUS (*(volatile unsigned int *)(OHCI_BASE+0x08))
#define OHCI_INTERRUPT_STATUS (*(volatile unsigned int *)(OHCI_BASE+0x0C))
#define OHCI_INTERRUPT_ENABLE (*(volatile unsigned int *)(OHCI_BASE+0x10))
#define OHCI_INTERRUPT_DISABLE (*(volatile unsigned int *)(OHCI_BASE+0x14))
#define OHCI_HCCA (*(volatile unsigned int *)(OHCI_BASE+0x18))
#define OHCI_PERIOD_CURRENT_ED (*(volatile unsigned int *)(OHCI_BASE+0x1C))
#define OHCI_CONTROL_HEAD_ED (*(volatile unsigned int *)(OHCI_BASE+0x20))
#define OHCI_CONTROL_CURRENT_ED (*(volatile unsigned int *)(OHCI_BASE+0x24))
#define OHCI_BULK_HEAD_ED (*(volatile unsigned int *)(OHCI_BASE+0x28))
#define OHCI_BULK_CURRENT_ED (*(volatile unsigned int *)(OHCI_BASE+0x2C))
#define OHCI_DONE_HEAD (*(volatile unsigned int *)(OHCI_BASE+0x30))
#define OHCI_FM_INTERVAL (*(volatile unsigned int *)(OHCI_BASE+0x34))
#define OHCI_FM_REMAINING (*(volatile unsigned int *)(OHCI_BASE+0x38))
#define OHCI_FM_NUMBER (*(volatile unsigned int *)(OHCI_BASE+0x3C))
#define OHCI_PERIODIC_START (*(volatile unsigned int *)(OHCI_BASE+0x40))
#define OHCI_LS_THRESHOLD (*(volatile unsigned int *)(OHCI_BASE+0x44))
#define OHCI_RH_DESCRIPTOR_A (*(volatile unsigned int *)(OHCI_BASE+0x48))
#define OHCI_RH_DESCRIPTOR_B (*(volatile unsigned int *)(OHCI_BASE+0x4C))
#define OHCI_RH_STATUS (*(volatile unsigned int *)(OHCI_BASE+0x50))
#define OHCI_RH_PORT_STATUS_1 (*(volatile unsigned int *)(OHCI_BASE+0x54))
#define OHCI_RH_PORT_STATUS_2 (*(volatile unsigned int *)(OHCI_BASE+0x58))
/* Transfer Descriptor */
struct ohci_td
{
uint32_t td_config;
void *current_buffer_pointer;
struct ohci_td *nextTD;
void *buffer_end;
};
/* Endpoint Descriptor */
struct ohci_ed
{
uint32_t ep_config;
struct ohci_td *tail;
struct ohct_td *head;
struct ohci_ed *nextED;
};
/* Host Controller Communications Area */
struct ohci_hcca
{
struct ohci_ed (*interrupt_ed_table)[32];
unsigned short frame_number;
unsigned short pad1;
uint32_t done_head;
unsigned char reserved[116];
};