drivers/mga_vid.h

   1 /*
   2  * Matrox MGA G200/G400 YUV Video Interface module Version 0.1.0
   3  * BES == Back End Scaler
   4  *
   5  * Copyright (C) 1999 Aaron Holtzman
   6  *
   7  * This file is part of mga_vid.
   8  *
   9  * mga_vid is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * mga_vid is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with mga_vid; if not, write to the Free Software Foundation, Inc.,
  21  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  22  */
  23
  24 #ifndef MGA_VID_H
  25 #define MGA_VID_H
  26
  27 typedef struct mga_vid_config_s
  28 {
  29 uint16_t version;
  30 uint16_t card_type;
  31 uint32_t ram_size;
  32 uint32_t src_width;
  33 uint32_t src_height;
  34 uint32_t dest_width;
  35 uint32_t dest_height;
  36 uint32_t x_org;
  37 uint32_t y_org;
  38 uint8_t  colkey_on;
  39 uint8_t  colkey_red;
  40 uint8_t  colkey_green;
  41 uint8_t  colkey_blue;
  42 uint32_t format;
  43 uint32_t frame_size;
  44 uint32_t num_frames;
  45 uint32_t capabilities;
  46 } mga_vid_config_t;
  47
  48 /* supported FOURCCs */
  49 #define MGA_VID_FORMAT_YV12 0x32315659
  50 #define MGA_VID_FORMAT_IYUV (('I'<<24)|('Y'<<16)|('U'<<8)|'V')
  51 #define MGA_VID_FORMAT_I420 (('I'<<24)|('4'<<16)|('2'<<8)|'0')
  52 #define MGA_VID_FORMAT_YUY2 (('Y'<<24)|('U'<<16)|('Y'<<8)|'2')
  53 #define MGA_VID_FORMAT_UYVY (('U'<<24)|('Y'<<16)|('V'<<8)|'Y')
  54
  55 /* ioctl commands */
  56 #define MGA_VID_GET_VERSION  _IOR ('J', 1, uint32_t)
  57 #define MGA_VID_CONFIG       _IOWR('J', 2, mga_vid_config_t)
  58 #define MGA_VID_ON           _IO  ('J', 3)
  59 #define MGA_VID_OFF          _IO  ('J', 4)
  60 #define MGA_VID_FSEL         _IOW ('J', 5, uint32_t)
  61 #define MGA_VID_GET_LUMA     _IOR ('J', 6, uint32_t)
  62 #define MGA_VID_SET_LUMA     _IOW ('J', 7, uint32_t)
  63
  64 /* card identifiers */
  65 #define MGA_G200 0x1234
  66 #define MGA_G400 0x5678
  67 // currently unused, G450 are mapped to MGA_G400
  68 // #define MGA_G450 0x9ABC
  69 #define MGA_G550 0xDEF0
  70
  71 /* version of the mga_vid_config struct */
  72 #define MGA_VID_VERSION 0x0202
  73
  74 #endif /* MGA_VID_H */