drivers/video/via/dvi.h

   1 /*
   2  * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
   3  * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
   4
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public
   7  * License as published by the Free Software Foundation;
   8  * either version 2, or (at your option) any later version.
   9
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
  12  * the implied warranty of MERCHANTABILITY or FITNESS FOR
  13  * A PARTICULAR PURPOSE.See the GNU General Public License
  14  * for more details.
  15
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc.,
  19  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  20  */
  21
  22 #ifndef __DVI_H__
  23 #define __DVI_H__
  24
  25 /*Definition TMDS Device ID register*/
  26 #define     VT1632_DEVICE_ID_REG        0x02
  27 #define     VT1632_DEVICE_ID            0x92
  28
  29 #define     GET_DVI_SIZE_BY_SYSTEM_BIOS     0x01
  30 #define     GET_DVI_SIZE_BY_VGA_BIOS        0x02
  31 #define     GET_DVI_SZIE_BY_HW_STRAPPING    0x03
  32
  33 /* Definition DVI Panel ID*/
  34 /* Resolution: 640x480,   Channel: single, Dithering: Enable */
  35 #define     DVI_PANEL_ID0_640X480       0x00
  36 /* Resolution: 800x600,   Channel: single, Dithering: Enable */
  37 #define     DVI_PANEL_ID1_800x600       0x01
  38 /* Resolution: 1024x768,  Channel: single, Dithering: Enable */
  39 #define     DVI_PANEL_ID1_1024x768      0x02
  40 /* Resolution: 1280x768,  Channel: single, Dithering: Enable */
  41 #define     DVI_PANEL_ID1_1280x768      0x03
  42 /* Resolution: 1280x1024, Channel: dual,   Dithering: Enable */
  43 #define     DVI_PANEL_ID1_1280x1024     0x04
  44 /* Resolution: 1400x1050, Channel: dual,   Dithering: Enable */
  45 #define     DVI_PANEL_ID1_1400x1050     0x05
  46 /* Resolution: 1600x1200, Channel: dual,   Dithering: Enable */
  47 #define     DVI_PANEL_ID1_1600x1200     0x06
  48
  49 /* Define the version of EDID*/
  50 #define     EDID_VERSION_1      1
  51 #define     EDID_VERSION_2      2
  52
  53 #define     DEV_CONNECT_DVI     0x01
  54 #define     DEV_CONNECT_HDMI    0x02
  55
  56 int viafb_dvi_sense(void);
  57 void viafb_dvi_disable(void);
  58 void viafb_dvi_enable(void);
  59 bool viafb_tmds_trasmitter_identify(void);
  60 void viafb_init_dvi_size(struct tmds_chip_information *tmds_chip,
  61         struct tmds_setting_information *tmds_setting);
  62 void viafb_dvi_set_mode(const struct fb_var_screeninfo *var,
  63         u16 cxres, u16 cyres, int iga);
  64
  65 #endif /* __DVI_H__ */