firmware/export/ohci.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * OHCI data structures and registers
  11  *
  12  * Copyright (C) 2009 by Frank Gevaerts
  13  *
  14  * This program is free software; you can redistribute it and/or
  15  * modify it under the terms of the GNU General Public License
  16  * as published by the Free Software Foundation; either version 2
  17  * of the License, or (at your option) any later version.
  18  *
  19  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  20  * KIND, either express or implied.
  21  *
  22  ****************************************************************************/
  23
  24 #define OHCI_REVISION           (*(volatile unsigned int *)(OHCI_BASE+0x00))
  25 #define OHCI_CONTROL            (*(volatile unsigned int *)(OHCI_BASE+0x04))
  26 #define OHCI_COMMAND_STATUS     (*(volatile unsigned int *)(OHCI_BASE+0x08))
  27 #define OHCI_INTERRUPT_STATUS   (*(volatile unsigned int *)(OHCI_BASE+0x0C))
  28 #define OHCI_INTERRUPT_ENABLE   (*(volatile unsigned int *)(OHCI_BASE+0x10))
  29 #define OHCI_INTERRUPT_DISABLE  (*(volatile unsigned int *)(OHCI_BASE+0x14))
  30 #define OHCI_HCCA               (*(volatile unsigned int *)(OHCI_BASE+0x18))
  31 #define OHCI_PERIOD_CURRENT_ED  (*(volatile unsigned int *)(OHCI_BASE+0x1C))
  32 #define OHCI_CONTROL_HEAD_ED    (*(volatile unsigned int *)(OHCI_BASE+0x20))
  33 #define OHCI_CONTROL_CURRENT_ED (*(volatile unsigned int *)(OHCI_BASE+0x24))
  34 #define OHCI_BULK_HEAD_ED       (*(volatile unsigned int *)(OHCI_BASE+0x28))
  35 #define OHCI_BULK_CURRENT_ED    (*(volatile unsigned int *)(OHCI_BASE+0x2C))
  36 #define OHCI_DONE_HEAD          (*(volatile unsigned int *)(OHCI_BASE+0x30))
  37 #define OHCI_FM_INTERVAL        (*(volatile unsigned int *)(OHCI_BASE+0x34))
  38 #define OHCI_FM_REMAINING       (*(volatile unsigned int *)(OHCI_BASE+0x38))
  39 #define OHCI_FM_NUMBER          (*(volatile unsigned int *)(OHCI_BASE+0x3C))
  40 #define OHCI_PERIODIC_START     (*(volatile unsigned int *)(OHCI_BASE+0x40))
  41 #define OHCI_LS_THRESHOLD       (*(volatile unsigned int *)(OHCI_BASE+0x44))
  42 #define OHCI_RH_DESCRIPTOR_A    (*(volatile unsigned int *)(OHCI_BASE+0x48))
  43 #define OHCI_RH_DESCRIPTOR_B    (*(volatile unsigned int *)(OHCI_BASE+0x4C))
  44 #define OHCI_RH_STATUS          (*(volatile unsigned int *)(OHCI_BASE+0x50))
  45 #define OHCI_RH_PORT_STATUS_1   (*(volatile unsigned int *)(OHCI_BASE+0x54))
  46 #define OHCI_RH_PORT_STATUS_2   (*(volatile unsigned int *)(OHCI_BASE+0x58))
  47
  48 /* Transfer Descriptor */
  49 struct ohci_td
  50 {
  51     uint32_t td_config;
  52     void *current_buffer_pointer;
  53     struct ohci_td *nextTD;
  54     void *buffer_end;
  55 };
  56
  57 /* Endpoint Descriptor */
  58 struct ohci_ed
  59 {
  60     uint32_t ep_config;
  61     struct ohci_td *tail;
  62     struct ohct_td *head;
  63     struct ohci_ed *nextED;
  64 };
  65
  66 /* Host Controller Communications Area */
  67 struct ohci_hcca
  68 {
  69     struct ohci_ed (*interrupt_ed_table)[32];
  70     unsigned short frame_number;
  71     unsigned short pad1;
  72     uint32_t done_head;
  73     unsigned char reserved[116];
  74 };
  75
  76