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