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__ */ 52