vidix/dhahelper/dhahelper.h

   1 /*
   2  * Direct Hardware Access (DHA) kernel helper
   3  *
   4  * Copyright (C) 2002 Alex Beregszaszi <alex@fsn.hu>
   5  *
   6  * This file is part of MPlayer.
   7  *
   8  * MPlayer is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * MPlayer is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License along
  19  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  20  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  21  */
  22
  23 #ifndef MPLAYER_DHAHELPER_H
  24 #define MPLAYER_DHAHELPER_H
  25
  26 #include <linux/ioctl.h>
  27
  28 /* feel free to change */
  29 #define DEFAULT_MAJOR   180
  30
  31 #define API_VERSION     0x1
  32
  33 typedef struct dhahelper_port_s
  34 {
  35 #define PORT_OP_READ    1
  36 #define PORT_OP_WRITE   2
  37     int         operation;
  38     int         size;
  39     int         addr;
  40     int         value;
  41 } dhahelper_port_t;
  42
  43 typedef struct dhahelper_memory_s
  44 {
  45 #define MEMORY_OP_MAP   1
  46 #define MEMORY_OP_UNMAP 2
  47     int         operation;
  48     int         start;
  49     int         offset;
  50     int         size;
  51     int         ret;
  52 #define MEMORY_FLAG_NOCACHE 1
  53     int         flags;
  54 } dhahelper_memory_t;
  55
  56 typedef struct dhahelper_mtrr_s
  57 {
  58 #define MTRR_OP_ADD     1
  59 #define MTRR_OP_DEL     2
  60     int         operation;
  61     int         start;
  62     int         size;
  63     int         type;
  64 } dhahelper_mtrr_t;
  65
  66 typedef struct dhahelper_pci_s
  67 {
  68 #define PCI_OP_READ     1
  69 #define PCI_OP_WRITE    1
  70     int         operation;
  71     int         bus;
  72     int         dev;
  73     int         func;
  74     int         cmd;
  75     int         size;
  76     int         ret;
  77 } dhahelper_pci_t;
  78
  79 #define DHAHELPER_GET_VERSION   _IOW('D', 0, int)
  80 #define DHAHELPER_PORT          _IOWR('D', 1, dhahelper_port_t)
  81 #define DHAHELPER_MEMORY        _IOWR('D', 2, dhahelper_memory_t)
  82 #define DHAHELPER_MTRR          _IOWR('D', 3, dhahelper_mtrr_t)
  83 #define DHAHELPER_PCI           _IOWR('D', 4, dhahelper_pci_t)
  84
  85 #endif /* MPLAYER_DHAHELPER_H */