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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
* Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
*/
#ifndef __DVI_H__
#define __DVI_H__
/*Definition TMDS Device ID register*/
#define VT1632_DEVICE_ID_REG 0x02
#define VT1632_DEVICE_ID 0x92
#define GET_DVI_SIZE_BY_SYSTEM_BIOS 0x01
#define GET_DVI_SIZE_BY_VGA_BIOS 0x02
#define GET_DVI_SZIE_BY_HW_STRAPPING 0x03
/* Definition DVI Panel ID*/
/* Resolution: 640x480, Channel: single, Dithering: Enable */
#define DVI_PANEL_ID0_640X480 0x00
/* Resolution: 800x600, Channel: single, Dithering: Enable */
#define DVI_PANEL_ID1_800x600 0x01
/* Resolution: 1024x768, Channel: single, Dithering: Enable */
#define DVI_PANEL_ID1_1024x768 0x02
/* Resolution: 1280x768, Channel: single, Dithering: Enable */
#define DVI_PANEL_ID1_1280x768 0x03
/* Resolution: 1280x1024, Channel: dual, Dithering: Enable */
#define DVI_PANEL_ID1_1280x1024 0x04
/* Resolution: 1400x1050, Channel: dual, Dithering: Enable */
#define DVI_PANEL_ID1_1400x1050 0x05
/* Resolution: 1600x1200, Channel: dual, Dithering: Enable */
#define DVI_PANEL_ID1_1600x1200 0x06
/* Define the version of EDID*/
#define EDID_VERSION_1 1
#define EDID_VERSION_2 2
#define DEV_CONNECT_DVI 0x01
#define DEV_CONNECT_HDMI 0x02
int viafb_dvi_sense(void);
void viafb_dvi_disable(void);
void viafb_dvi_enable(void);
bool viafb_tmds_trasmitter_identify(void);
void viafb_init_dvi_size(struct tmds_chip_information *tmds_chip,
struct tmds_setting_information *tmds_setting);
void viafb_dvi_set_mode(const struct fb_var_screeninfo *var,
u16 cxres, u16 cyres, int iga);
#endif /* __DVI_H__ */
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