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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 0x0213#define VT1632_DEVICE_ID 0x9214 15#define GET_DVI_SIZE_BY_SYSTEM_BIOS 0x0116#define GET_DVI_SIZE_BY_VGA_BIOS 0x0217#define GET_DVI_SZIE_BY_HW_STRAPPING 0x0318 19/* Definition DVI Panel ID*/20/* Resolution: 640x480, Channel: single, Dithering: Enable */21#define DVI_PANEL_ID0_640X480 0x0022/* Resolution: 800x600, Channel: single, Dithering: Enable */23#define DVI_PANEL_ID1_800x600 0x0124/* Resolution: 1024x768, Channel: single, Dithering: Enable */25#define DVI_PANEL_ID1_1024x768 0x0226/* Resolution: 1280x768, Channel: single, Dithering: Enable */27#define DVI_PANEL_ID1_1280x768 0x0328/* Resolution: 1280x1024, Channel: dual, Dithering: Enable */29#define DVI_PANEL_ID1_1280x1024 0x0430/* Resolution: 1400x1050, Channel: dual, Dithering: Enable */31#define DVI_PANEL_ID1_1400x1050 0x0532/* Resolution: 1600x1200, Channel: dual, Dithering: Enable */33#define DVI_PANEL_ID1_1600x1200 0x0634 35/* Define the version of EDID*/36#define EDID_VERSION_1 137#define EDID_VERSION_2 238 39#define DEV_CONNECT_DVI 0x0140#define DEV_CONNECT_HDMI 0x0241 42int viafb_dvi_sense(void);43void viafb_dvi_disable(void);44void viafb_dvi_enable(void);45bool viafb_tmds_trasmitter_identify(void);46void viafb_init_dvi_size(struct tmds_chip_information *tmds_chip,47 struct tmds_setting_information *tmds_setting);48void viafb_dvi_set_mode(const struct fb_var_screeninfo *var,49 u16 cxres, u16 cyres, int iga);50 51#endif /* __DVI_H__ */52