drivers/video/fbdev/via/dvi.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
   4  * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
   5
   6  */
   7
   8 #ifndef __DVI_H__
   9 #define __DVI_H__
  10
  11 /*Definition TMDS Device ID register*/
  12 #define     VT1632_DEVICE_ID_REG        0x02
  13 #define     VT1632_DEVICE_ID            0x92
  14
  15 #define     GET_DVI_SIZE_BY_SYSTEM_BIOS     0x01
  16 #define     GET_DVI_SIZE_BY_VGA_BIOS        0x02
  17 #define     GET_DVI_SZIE_BY_HW_STRAPPING    0x03
  18
  19 /* Definition DVI Panel ID*/
  20 /* Resolution: 640x480,   Channel: single, Dithering: Enable */
  21 #define     DVI_PANEL_ID0_640X480       0x00
  22 /* Resolution: 800x600,   Channel: single, Dithering: Enable */
  23 #define     DVI_PANEL_ID1_800x600       0x01
  24 /* Resolution: 1024x768,  Channel: single, Dithering: Enable */
  25 #define     DVI_PANEL_ID1_1024x768      0x02
  26 /* Resolution: 1280x768,  Channel: single, Dithering: Enable */
  27 #define     DVI_PANEL_ID1_1280x768      0x03
  28 /* Resolution: 1280x1024, Channel: dual,   Dithering: Enable */
  29 #define     DVI_PANEL_ID1_1280x1024     0x04
  30 /* Resolution: 1400x1050, Channel: dual,   Dithering: Enable */
  31 #define     DVI_PANEL_ID1_1400x1050     0x05
  32 /* Resolution: 1600x1200, Channel: dual,   Dithering: Enable */
  33 #define     DVI_PANEL_ID1_1600x1200     0x06
  34
  35 /* Define the version of EDID*/
  36 #define     EDID_VERSION_1      1
  37 #define     EDID_VERSION_2      2
  38
  39 #define     DEV_CONNECT_DVI     0x01
  40 #define     DEV_CONNECT_HDMI    0x02
  41
  42 int viafb_dvi_sense(void);
  43 void viafb_dvi_disable(void);
  44 void viafb_dvi_enable(void);
  45 bool viafb_tmds_trasmitter_identify(void);
  46 void viafb_init_dvi_size(struct tmds_chip_information *tmds_chip,
  47         struct tmds_setting_information *tmds_setting);
  48 void viafb_dvi_set_mode(const struct fb_var_screeninfo *var,
  49         u16 cxres, u16 cyres, int iga);
  50
  51 #endif /* __DVI_H__ */