wii_ipcreg.h

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    1 /*-
    2  * Copyright (C) 2012 Margarida Gouveia
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   17  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
   19  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   20  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
   21  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   22  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * $FreeBSD: releng/10.1/sys/powerpc/wii/wii_ipcreg.h 252500 2013-07-02 07:17:56Z rpaulo $
   27  */
   28 
   29 #ifndef _POWERPC_WII_WII_IPCREG_H
   30 #define _POWERPC_WII_WII_IPCREG_H
   31 
   32 #define WIIIPC_REG_ADDR         0x0d000000
   33 #define WIIIPC_REG_LEN          0x40
   34 #define WIIIPC_IOH_ADDR         0x133e0000
   35 #define WIIIPC_IOH_LEN          0xc20000
   36 
   37 #define WIIIPC_TXBUF            0x00
   38 #define WIIIPC_CSR              0x04
   39 #define WIIIPC_CSR_TXSTART      0x01
   40 #define WIIIPC_CSR_TBEI         0x02
   41 #define WIIIPC_CSR_RBFI         0x04
   42 #define WIIIPC_CSR_RXREADY      0x08
   43 #define WIIIPC_CSR_RBFIMASK     0x10
   44 #define WIIIPC_CSR_TBEIMASK     0x20
   45 #define WIIIPC_RXBUF            0x08
   46 #define WIIIPC_ISR              0x30
   47 #define WIIIPC_ISR_MAGIC        0x40000000
   48 
   49 enum wiiipc_cmd {
   50         WIIIPC_CMD_OPEN         = 1,
   51         WIIIPC_CMD_CLOSE        = 2,
   52         WIIIPC_CMD_READ         = 3,
   53         WIIIPC_CMD_WRITE        = 4,
   54         WIIIPC_CMD_SEEK         = 5,
   55         WIIIPC_CMD_IOCTL        = 6,
   56         WIIIPC_CMD_IOCTLV       = 7,
   57         WIIIPC_CMD_ASYNCRESP    = 8
   58 };
   59 
   60 struct wiiipc_ipc_msg {
   61         uint32_t        ipc_cmd;
   62         int32_t         ipc_result;
   63         int32_t         ipc_fd; /* WIIIPC_CMD_ASYNCRESP - the original cmd */
   64         union {
   65                 struct {
   66                         intptr_t  pathname;
   67                         uint32_t  mode;
   68                 } _ipc_open;
   69                 struct {
   70                         intptr_t  data;
   71                         uint32_t  len;
   72                 } _ipc_read, _ipc_write;
   73                 struct {
   74                         int32_t   offset;
   75                         int32_t   whence;
   76                 } _ipc_seek;
   77                 struct {
   78                         uint32_t  request;
   79                         intptr_t  ibuf;
   80                         uint32_t  ilen;
   81                         intptr_t  obuf;
   82                         uint32_t  olen;
   83                 } _ipc_ioctl;
   84                 struct {
   85                         uint32_t  request;
   86                         uint32_t  argin;
   87                         uint32_t  argout;
   88                         intptr_t  iovec;
   89                 } _ipc_ioctlv;
   90                 uint32_t _ipc_argv[5];
   91         } args;
   92 } __attribute__((packed));
   93 
   94 CTASSERT(sizeof(struct wiiipc_ipc_msg) == 32);
   95 
   96 #define ipc_open        args._ipc_open
   97 #define ipc_read        args._ipc_read
   98 #define ipc_write       args._ipc_write
   99 #define ipc_ioctl       args._ipc_ioctl
  100 #define ipc_ioctlv      args._ipc_ioctlv
  101 
  102 #endif  /* _POWERPC_WII_WII_IPCREG_H */

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FreeBSD/Linux Kernel Cross Reference sys/powerpc/wii/wii_ipcreg.h

FreeBSD/Linux Kernel Cross Reference
sys/powerpc/wii/wii_ipcreg.h