2 * Direct Hardware Access (DHA) kernel helper
4 * Copyright (C) 2002 Alex Beregszaszi <alex@fsn.hu>
5 * This file is part of MPlayer.
7 * MPlayer is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * MPlayer is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 #ifndef MPLAYER_DHAHELPER_H
23 #define MPLAYER_DHAHELPER_H
25 #include <linux/ioctl.h>
27 /* feel free to change */
28 #define DEFAULT_MAJOR 180
30 #define API_VERSION 0x1
32 typedef struct dhahelper_port_s
34 #define PORT_OP_READ 1
35 #define PORT_OP_WRITE 2
42 typedef struct dhahelper_memory_s
44 #define MEMORY_OP_MAP 1
45 #define MEMORY_OP_UNMAP 2
51 #define MEMORY_FLAG_NOCACHE 1
55 typedef struct dhahelper_mtrr_s
65 typedef struct dhahelper_pci_s
68 #define PCI_OP_WRITE 1
78 #define DHAHELPER_GET_VERSION _IOW('D', 0, int)
79 #define DHAHELPER_PORT _IOWR('D', 1, dhahelper_port_t)
80 #define DHAHELPER_MEMORY _IOWR('D', 2, dhahelper_memory_t)
81 #define DHAHELPER_MTRR _IOWR('D', 3, dhahelper_mtrr_t)
82 #define DHAHELPER_PCI _IOWR('D', 4, dhahelper_pci_t)
84 #endif /* MPLAYER_DHAHELPER_H */